Search Results — 2000 specimen records retrieved (1462 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
  HSC1339  Abies concolor W. R. Rogers 1966-6-20 239 Plumas Spring Creek Comment
  SEINET177868  Acer glabrum Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico on the Big Divide 1830 Comment
  CAS-BOT-BC330953  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1969-6-23 45802 Plumas Sierra Nevada. 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  JEPS48550  Acer glabrum var. torreyi J. W. Duffield 1937-5-31 Plumas se Bucks Lake (Rocky wall, third water, Bear Creek, sw Plumas County); Bear Creek, se of Bucks Lake (See Bucks Lake Quad.) Comment
  RSA603070  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  SD7292  Acer glabrum var. torreyi Mrs. R. M. Austin 1878-1 Plumas Mt. Dyer, Big Meadows Comment
Read comments
Oct 2 2008
  SEINET10873949  Acer glabrum var. torreyi Mary Susan Taylor 1981-9-10 Taylor 4271 a Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  CAS-BOT-BC333228  Acer macrophyllum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1490 Plumas Butterfly Botanical Area and vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC333324  Acer macrophyllum John Thomas Howell 1963-6-3 39399 Plumas Sierra Nevada. Butterfly Valley Comment
  CHSC14057  Acer macrophyllum J. Moore 1974-5-11 Plumas ca. 7 mi s of Greenville, ca 1/2 mi n of intersection of Hwys 70 and 89. 914 Comment
  CDA9174  Achillea millefolium D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .259-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CHSC113897  Achillea millefolium Lowell Ahart 2014-8-26 19772 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC92186  Achillea millefolium Lowell Ahart; John Dittes 2005-9-19 12406 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
  SEINET3144638  Achillea millefolium E. K. Balls 1950-9-2 15645 Plumas Nye Meadows, W slope of Mt. Ingalls, N of Grizzly Valley 2256 Comment
  UC1125403  Achillea millefolium A. Lewis 1934-6-18 485 Plumas Little Grass Valley; Downieville Quad. 1524 Comment
  UC1024758  Achnatherum lemmonii Leo Whitney 1934-8-13 2294 Plumas 3 mi e Cate Place (10 mi nw of Portola); Plumas National Forest, Big Grizzley Valley 1828 Comment
  UCD50682  Achnatherum lemmonii P. B. Kennedy; A. A. Heller 1907-7-3 8712 Plumas Hills above Red Clover Valley. 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
  CAS-BOT-BC210928  Achnatherum occidentale subsp. pubescens John Thomas Howell 1962-6-19 37840 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CHSC82613  Achnatherum occidentale subsp. pubescens L. P. Janeway 2001-7-3 7261 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA699787  Achnatherum thurberianum L. Ahart, John Dittes, Josephine Guardino, Robert A. 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. 2125 Comment
  CHSC75497  Acmispon americanus var. americanus G. D. Barbe; J. T. Fuller, T. C. Fuller 1981-6-24 3191 Plumas Mt. Houg-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of uincy Juncion. 1280 Comment
  UCD104245  Acmispon nevadensis John Thomas Howell 1960-7-18 35561 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  OBI13053  Acmispon parviflorus Lewis S. Rose 1967-5-8 67073 Plumas Rodgers Flat. North Fork, Feather River 610 Comment
  SDSU9909  Aconitum columbianum D. F. Howe 1959-8-3 2787 Plumas 30.0 miles N of Qunicy. 1372 Comment
  CAS-BOT-BC391473  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-7-20 35718 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC412891  Aconogonon davisiae Anna Head 1920-7-1 s.n. Plumas Summit of peak above Round Lake, Feather River Region 2286 Comment
  CAS-BOT-BC412894  Aconogonon davisiae Robert J. Weatherby 1950-8-11 1511 Plumas Near Hellgramite [Hellgrammite] Pond, Lakes Basin Area 2011 Comment
  UCD128575  Acroptilon repens E. Sawyer 1935-6-27 239 Plumas Sierra Valley. Comment
  CAS-BOT-BC391663  Actaea rubra David D. Keck 1932-7-3 1703 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  CAS-BOT-BC65508  Adiantum aleuticum Mrs. C. C. Bruce 1899-10-1 s.n. Plumas Quincy Comment
  CHSC59162  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1992-9-15 5209 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  SEINET5338313  Adiantum pedatum M. J. Williams, B. Larson 1983-8-12 83- 136 -1 Plumas Caribou Power Station road, 25 mi W of Quincy Comment
  CHSC98324  Agastache urticifolia B. Castro; L. P. Janeway 2005-7-10 1503 Plumas Northern High Sierra Nevada. NW end of the Diamond Mtns, just S of crest. Towards N end of Stony Ridge, along jRoad 27N12 ca 0. 3 mi W of its jcn with Rd 27N13 (which runs along Stony Creek). On open NW-facing basalt rock slope. 1935 Comment
  UC588126  Agastache urticifolia Ethel Crum 1937-8-7 1947 Plumas three mi w Lake Almanor; w of Lake Almanor 1524 Comment
  SEINET13948392 Image available Agastache urticifolia E. K. Balls 1950-1 15724 Plumas Rather open woodland; Lakes Center Public Campground, Southern Plumas County. 6700 ft 2042 Comment
  SEINET7924849  Agastache urticifolia A. A. Heller 1907-7-9 8771 Plumas Prattville. Comment
  UCD124877  Agastache urticifolia F. H. Bolster 1912-8-1 s.n. Plumas Long Lake Valley. 1981 Comment
  CHSC34266  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas Between Drum and Notson Bridges, N side of Beckwourth-Genesee Rd, ca. 7 air mi E of Genesee. 1584 Comment
  RSA726332  Ageratina occidentalis L. Ahart, John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2417 Comment
  CAS-BOT-BC29433  Ageratina occidentalis W. I. Follett; E. B. Follett 1962-8-8 s.n. Plumas Indian Creek 4.1 miles above Spanish Creek Comment
  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
  SBBG45694  Agoseris glauca var. laciniata C. B. Hardham 1961-6-16 7481 Plumas Diamond Peak [Diamond Mountain] 2133 Comment
  CDA14037  Agoseris grandiflora G. F. Hrusa, T. D. Wilfred 1996-8-1 13409 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CAS-BOT-BC29656  Agoseris grandiflora var. grandiflora M. S. Taylor 1982-8-4 4911 Plumas Junction of [forest service road] 25N14 and Taylor Creek, and along Taylor Creek, ca. 5 mi NE of Quincy Comment
  CAS-BOT-BC29657  Agoseris grandiflora var. grandiflora Thomas H. Kearney 1945-8-10 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC22910  Agoseris heterophylla Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2130 Plumas Butterfly Botanical Area and vicinity 1127 Comment
  CAS-BOT-BC22918  Agoseris heterophylla L. S. Smith 1925-4-30 1576 Plumas Bloomfield Road below forks sec 9 762 Comment
  CAS-BOT-BC46151  Agoseris heterophylla L. S. Smith 1927-5-30 2066 Plumas Sierra Valley, Sec 5&4 east side 1981 Comment
  CAS-BOT-BC46152  Agoseris heterophylla Anna Head 1921-6-23 s.n. Plumas Campbells Hot Springs, Feather River region Comment
  CAS-BOT-BC127595  Agropyron cristatum John Thomas Howell 1955-7-19 30749 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  SEINET7295923 Image available Agrostis alba John Thomas Howell, Gordon True; Walter Knight; Irja Lnight 1967-1 2189 Plumas Mouth of Butterfly Creek 884 Comment
  SEINET4339454  Agrostis capillaris W. Harnach, N. Harnach 2000-8-2 971 Plumas 1.5 miles south of Highway 70 on A-23, 1/4 mile east of A-23, south of Beckwourth, CA, Sierra Valley Farms 1487 Comment
  CAS-BOT-BC494113  Agrostis capillaris W. Harnach; N. Harnach 2000-8-2 971 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC127096  Agrostis exarata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1456 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek. 883 Comment
  CHSC113609  Agrostis exarata Lowell Ahart 2014-8-26 19795 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SD71007  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park, wet meadow, Drakesbad. 1676 Comment
  CAS-BOT-BC139608  Agrostis gigantea Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2189 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC139408  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  UCD53165  Agrostis pallens Catherine McWilliams 1971-1 911 Plumas Plumas - Eureka State Park. 1524 Comment
  CAS-BOT-BC138704  Agrostis scabra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1500 Plumas Butterfly Botanical Area and Vicinity. Along road at Fern Glen. 1097 Comment
  RSA59661  Agrostis scabra E. K. Balls 1950-9-9 15731 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC44539  Agrostis thurberiana Lowell Ahart 1977-7-9 1455 Plumas Along the edges of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC46521  Allium campanulatum Lowell Ahart 1977-7-9 1458 Plumas Near Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1706 Comment
  CHSC80895  Allium campanulatum Lowell Ahart 2001-7-17 8916 Plumas Meadows, on the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  SD46738  Allium campanulatum Robert J. Weatherby 1955-7-2 1569 Plumas In volcanic gravel on dry exposed ridge, Bear Ridge near Taylor Lake. 2194 Comment
  SEINET183707  Allium campanulatum L. Constance 1938-6-10 2321 Plumas Feather River at Chester near Lake Almanor 1219 Comment
  UCD141814  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
  SEINET10471965  Allium obtusum var. obtusum Mary Susan Taylor 1981-5-14 Taylor 3721 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
  RSA32798  Allium parvum A. A. Heller 1938-5-21 15104 Plumas About the airfield west of Chester. 1305 Comment
  SJSU14346  Allium parvum N. A. Hopkins 1990-5-12 1612 Plumas 16 mi NW of Beckwourth on rd to Genesee 1676 Comment
  CAS-BOT-BC474088  Allium platycaule Lowell Ahart 1983-7-20 4200 Plumas About 1/4 mile east of the Feather Fork Mine, about 5.5 miles north of La Porte 1800 Comment
  CAS-BOT-BC474095  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  CHSC75937  Allium validum G. F. Hrusa 1996-8-2 13438 Plumas At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Sierra Nevada. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  CDA19234  Allophyllum gilioides subsp. violaceum G. D. Barbe, T. C. Fuller 1982-6-17 3831 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET14407662  Allophyllum gilioides subsp. violaceum A. A. Heller, P. B. Kennedy 1907-7-4 8726 Plumas Ridge E of Red Clover Valley. Comment
  OBI20559  Alnus incana Lewis S. Rose 1967-6-12 67113 Plumas Butterfly Valley, ca. 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC171359  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight 1966-9-12 1745 Plumas Butterfly Botanical Area and vicinity. Beargrass Glade 1127 Comment
  CAS-BOT-BC171368  Alnus incana subsp. tenuifolia Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  HSC93348  Alnus incana subsp. tenuifolia Vernon H. Oswald, L. Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from the FS Rd. 29N11 1372 Comment
  JEPS108989  Alnus rhombifolia Lowell Ahart 2006-10-8 13407 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  CHSC97556  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-17 14162 Plumas Along Red Clover Creek, about 50 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
  SEINET228761  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas 1 mi NE of Pilot Peak 16 mi NE of La Porte 1900 Comment
  UCD149817  Alopecurus pratensis William Anderson 1965-5-8 s.n. Plumas Crescent Mills. Comment
  JEPS115525  Amaranthus californicus Lowell Ahart, John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  UC1127769  Amelanchier utahensis F. W. Embree 1934-6-6 92 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  UC567121 Image available Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 s and 0.5 mi e Bucks Mountain; Bidwell Bar Quad. 1524 Comment
  CHSC28961  Anaphalis margaritacea J. D. Jokerst 1979-10-5 365 Plumas Meadow area E of road and North Fork Feather River, 1.0 mi N of Hwy 70. 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
  CAS-BOT-BC391842  Anemone drummondii Alice Eastwood 1927-6-15 14604 Plumas United States Forest Reserve. On trail to Long Valley Comment
  SEINET10536190  Anemone drummondii Mary Susan Taylor 1981-5-8 Taylor 3660 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CAS-BOT-BC59303  Antennaria argentea Alice Eastwood 1927-6-17 14637 Plumas United States Forest Reserve. On trail to Long Valley. Comment
  UC134212  Antennaria argentea Mrs. R. M. Austin 1874-8-1 96 Plumas Black Hawk 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
  SJSU14194  Antennaria luzuloides N. A. Hopkins 1989-6-7 1520 Plumas Squaw Valley 1706 Comment
  CAS-BOT-BC79968  Antennaria microphylla John Thomas Howell 1961-6-21 36597 Plumas Greenville 1097 Comment
  CAS-BOT-BC84603  Anthemis cotula D. A. McMillan 1913-6-1 s.n. Plumas Sheep driveway, Plumas National Forest 1371 Comment
  CAS-BOT-BC84649  Anthemis cotula Walter Knight; Irja Knight 1967-9-16 2254 Plumas Mouth of Butterfly Creek 883 Comment
  SEINET12948039  Antirrhinum cornutum M. J. Williams 1980-1 80- 67 -1 Plumas Feather River Canyon, S of Belden near Hwy 70. 853 Comment
  CAS-BOT-BC457542  Aphanes occidentalis J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 D. Plumas Butterfly Botanical Area and Vicinity; open flat near Pond Reservoir. 1097 Comment
  CHSC40378  Apocynum androsaemifolium Lowell Ahart 1985-7-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles north-west of Pilot Pk. 1828 Comment
  CHSC62089  Apocynum androsaemifolium L. P. Janeway 1993-7-28 4482 Plumas Plumas National Forest. Northwest-facing slope near bottom of a western branch of Ward Creek, ca 1 mi south of Genesee Valley. 1264 Comment
  HSC101699  Apocynum androsaemifolium Dillon North Davis 2013-6-20 29 Plumas 7.2 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1811 Comment
  UC1005693  Apocynum androsaemifolium Frank W. Gould 1938-6-26 439 Plumas 5 mi. n. Blairsden 1350 Comment
  RSA21707  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1937-8-7 s.n. Plumas 3.3 mi NW of Greenville 1220 Comment
  CHSC34867  Apocynum cannabinum M. S. Taylor 1981-7-29 4134 Plumas Jct of Flournoy Grade (25N42) and Beckwourth-Genesee Rd, ca. 3 air mi ne of Genesee. 1127 Comment
  SEINET10454898  Apocynum pumilum var. rhomboideum Mary Susan Taylor 1981-7-17 Taylor 4036 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  CAS-BOT-BC397885  Aquilegia formosa Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 7 miles west of Johnsville, on road to Gibsonville. Comment
  POM299289  Aquilegia formosa var. truncata H. C. Cantelow 1941-7-20 s.n. Plumas 7 miles W of Johnville on road to Gillsville, Plumas County Comment
  POM99592  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  POM180940  Arabis rectissima A. A. Heller, P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  CAS-BOT-BC407695  Arceuthobium americanum Anna Head 1921-7-7 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC45522  Arceuthobium americanum Lowell Ahart 1988-10-22 6189 Plumas Along the road and around the small meadow, along the Quincy La Porte Road, about 1 mile south of the South Fork of the Feather River. 1828 Comment
  UCD101906  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC407701  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas at Drakesbad 1737 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
  CAS-BOT-BC409921  Arceuthobium campylopodum L. P. Janeway 1989-9-6 3641 Plumas Along road 24N45Y, 0.25 mi. E of Crocker Meadow and the Beckwourth-Genesee Road, 6.3 miles N of Beckwourth 1752 Comment
  UC1078841  Arceuthobium campylopodum Job Kuijt 1957-5-20 1349 Plumas 8 mi n Greenville Comment
  JEPS123950  Arceuthobium campylopodum subsp. abietinum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  RSA252452  Arctostaphylos manzanita subsp. manzanita R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39222 Plumas Ca. 2.5 miles S of Graeagle on Gold Lake Road. 1646 Comment
  CAS-BOT-BC40006  Arctostaphylos nevadensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54402 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC40007  Arctostaphylos nevadensis John Thomas Howell 1926-7-27 2146 Plumas Near Prattville 1676 Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  UCD52672  Arctostaphylos nevadensis James I. Mallory 1967-8-15 278 Plumas Plumas National Forest. 1798 Comment
  UCD52710  Arctostaphylos nevadensis E. Sawyer 1935-7-9 281 Plumas 2 1/2 miles SSW of Crow. 2072 Comment
  CAS-BOT-BC42093  Arctostaphylos patula John Thomas Howell; Gordon H. True 1967-5-8 42191 Plumas Near the spring in the Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC42122  Arctostaphylos patula Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas West of Meadow Valley Inn Comment
  NY42168  Arctostaphylos patula J. B. Walker 1994-8-3 868 Plumas 5km N of Quincy, on USFS Rd 25N12, 2km W of USFS Quincy work center 1500 Comment
  OBI14574  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas South of Keddie; Butterfly Creek & Spanish Crk 884 Comment
  POM367390  Arctostaphylos patula L. S. Rose 1932-9-4 32607 Plumas Eureka Lake. 1890 Comment
  UCD52625  Arctostaphylos viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. Open forest. 944 Comment
  RSA123203  Arctostaphylos viscida subsp. viscida E. Nourse 1934-8-14 15 Plumas 2.5 miles east and 6.5 miles south of Quincy. 1098 Comment
  CHSC91921  Arenaria aculeata L. P. Janeway 2005-7-30 8501 Plumas Northern High Sierra Nevada. Southernmost end of Diamond Mountains about 4.5 km north of Beckwourth Pass; along Road 23N67 1.9 km from Road 24N88. 1725 Comment
  UC1552736  Arenaria congesta var. congesta Frederica Bowcutt 1985-6-6 565 Plumas About 1/8 mi n Beckwourth Genesee Road (About 15 air mi ne Quincy 1 mi of Drum Bridge); Plumas National Forest; SW1/4 NE 1/4 Comment
  CHSC48250  Arenaria kingii var. glabrescens Vernon Oswald 1984-6-25 1327 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 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
  CHSC57273  Arenaria kingii var. glabrescens L. P. Janeway 1991-5-29 3974 Plumas Plumas National Forest. West end of Red Clover Valley; 1/2 mi south of Beckwourth-Genesee Road (road 111) on the Bagley Pass Road. 1691 Comment
  CAS-BOT-BC82084  Arnica W. Harnach; N. Harnach 1990-6-27 421 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  CAS-BOT-BC82221  Arnica chamissonis Alice Eastwood 1927-6-27 14897 Plumas On road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  CAS-BOT-BC82222  Arnica chamissonis A. L., Mrs. Coombs Summer 1906 s.n. Plumas Prattville 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
  CHSC73917  Arnica chamissonis B. Castro; Barry Davis 1997-8-13 778 Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Ck (ca 1.5 mi N of Crocker Mdw). 1700 Comment
  UC134177  Arnica chamissonis D. Cleveland 1882-7-22 Plumas Prattville Comment
  UC337199  Arnica cordifolia unknown 1889-5-28 Plumas Mohawk Valley Comment
  CAS-BOT-BC82356  Arnica cordifolia L. P. Janeway 1992-5-12 4167 Plumas North side of Lake Davis and Rd 112, ca 6 1/2 mi northwest of the road to the dam. Grizzley Valley quad 1780 Comment
  CAS-BOT-BC82357  Arnica cordifolia Ella Dales Cantelow 1940-5-12 3081 Plumas Bucks Lake Rd., 2 mi. w. of Quincy Comment
  CAS-BOT-BC82359  Arnica cordifolia Clare B. Hardham 1961-6-15 7408 Plumas 3.3 miles southeast of Quincy Comment
  CAS-BOT-BC295856  Arnica dealbata Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CHSC108714  Arnica dealbata B. Castro; L. P. Janeway 2003-9-7 1455 Plumas High Cascade Range. Caribou Wilderness Area, ca 0.6 mi NW of Hay Meadow and 0.4 mi NW of Indian Meadow, along E side of trail off S end of large unnamed wet meadow. Large plts scattered in one patch between trail and creek feeding Indian Meadow. 2017 Comment
  CHSC94185  Arnica dealbata Lowell Ahart 2006-7-3 12906 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the west edge of a dry open basalt flat with scattered trees. 1527 Comment
  CAS-BOT-BC82498  Arnica discoidea John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2154 Plumas Beargrass Glade 1127 Comment
  UCR115324  Arnica discoidea G. D. Barbe, T. C. Fuller 1982-7-15 3740 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 Comment
  CHSC102706  Arnica nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16161 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
  CAS-BOT-BC85019  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Higher sagebrush flats on south side of Middle Fork Feather River 1.75 mi west of Beckwourth. Portola quad 1487 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
  CAS-BOT-BC90413  Artemisia douglasiana John Thomas Howell 1977-8-11 52677 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  JEPS88399  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1996-7-15 8022 Plumas Lake Almanor High Cascade Range (e side of arm of Lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  UC176432  Artemisia douglasiana A. A. Heller and P. B. Kennedy 1907-7-17 8876 Plumas Red Clover valley Comment
  CAS-BOT-BC90570  Artemisia dracunculus John Thomas Howell 1959-9-25 35000 Plumas 2 miles east of Portola 1484 Comment
  CAS-BOT-BC400771  Asarum lemmonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2393 Plumas On east side of Butterfly Valley Comment
  RSA246614  Asarum lemmonii R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42325 Plumas Plumas National Forest: Fern Glen, Butterfly Valley Botanic Area. 1098 Comment
  UCR244691  Asarum lemmonii Rudolf W. Becking 1996-6-5 035 Plumas Sierra Nevada Mtns., near Quincy, Deer Creek Bridge 1223 Comment
  CAS-BOT-BC400764  Asarum lemmonii R. W. Becking 1996-6-5 035 Plumas Near Quincy, Deer Creek bridge Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  SD7723  Asclepias fascicularis R. M. Austin 1879-1 Plumas Big Meadows Comment
  JEPS6282  Asclepias speciosa W. L. Jepson 1939-8-4 19340 Plumas Rock Creek; Meadow Valley 1219 Comment
  SEINET10496069  Asclepias speciosa Mary Susan Taylor 1982-7-7 Taylor 4788 Plumas T23N R11E nw/se sec 11. Johnsville quad. SE corner of jct of Hwy 70 and Rd 509 (to Sloat), ca. 1 mi ne of Sloat. 4200 ft. 1280 Comment
  CHSC21829  Aspidotis densa D. Brink; L. Mayer 1975-7-12 Plumas Bucks Lake Forest Service Survey. Comment
  JEPS60033  Aspidotis densa W. I. Follett 1937-8-20 Plumas Rich Gulch 1280 Comment
  CAS-BOT-BC97475  Aster James T. Vale 1980-9-21 s.n. Plumas Road to Antelope Reservoir Comment
  CDA10245  Aster eatonii R. Swanson 1975-9-12 Plumas Beside La Porte Road near Nelson Creek, southeast of Quincy. 0 Comment
  SEINET10872025  Aster integrifolius Mary Susan Taylor 1982-8-5 Taylor 4922 Plumas T25N R10E nw/sw sec 22. Greenville SE quad. Jct of Mt Hough Hwy (403) & rd to Grizzly Ridge, ca. 2 mi nw of Taylor Rock, ca. 6 air mi ne of Quincy. 5500 ft. 1676 Comment
  RSA715589  Aster radulinus L. P. Janeway 1994-8-24 4748 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground 1299 Comment
  CAS-BOT-BC478071  Asteraceae Charles Piper Smith 1921-7-19 3449 Plumas Taylorsville, Mt. Hough trail Comment
  CHSC40925  Astragalus lentiformis W. D. Daban 1985-6-21 Plumas Portola. Comment
  CAS-BOT-BC187163  Astragalus lentiginosus var. floribundus John Thomas Howell 1962-6-19 37877 Plumas Chilcoot 1524 Comment
  CHSC60536  Astragalus lentiginosus var. floribundus L. P. Janeway; Jannice Cutler 1992-5-28 4207 Plumas Plumas National Forest. Southwest side of Dotta Canyon 1.1 mi southeast of Beckwourth-Genesee Road. 1685 Comment
  SEINET5324495  Astragalus pulsiferae var. pulsiferae W. Harnach, N. Harnach 1989-6-29 207 Plumas Beckwourth Pass on the N side of hwy 70 1539 Comment
  POM253255  Astragalus pulsiferae var. suksdorfii A. A. Heller 1938-6-22 15179 Plumas About the airfield west of Chester. 1305 Comment
  CAS-BOT-BC193043  Astragalus purshii var. tinctus Alice Rosenberg 1917-6-20 s.n. Plumas Blairsden Comment
  SEINET10484144  Astragalus purshii var. tinctus Mary Susan Taylor 1982-5-14 Taylor 4445 Plumas T22N R13E ne/nw sec 14. Portola quad. Open rocky ridge above Turner Springs Rd, ca. l mi s of Hwy 114(Clio-Portola Rd), ca. 2 air mi sw of Portola. 5400 ft. 1646 Comment
  CAS-BOT-BC198677  Astragalus whitneyi var. whitneyi Clare B. Hardham 1961-6-16 7445 Plumas Diamond Peak - Sierra Nevada 2255 Comment
  CHSC20738  Asyneuma prenanthoides K. R. Stern 1975-7-24 5871 Plumas E shore of Lake Almanor. 1371 Comment
  UC170623  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 Comment
  CHSC100452  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte. 1593 Comment
  CHSC30852  Athyrium filix-femina var. cyclosorum L. Ahart 1980-9-17 2653 Plumas Ca. 0.5 mi w of Fowler Peak. 487 Comment
  CHSC80790  Athyrium filix-femina var. cyclosorum Lowell Ahart 2001-7-19 8935 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CHSC92148  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes 2005-9-20 12441 Plumas Along a very small stream, east of the end of Forest Road 27N34, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2061 Comment
  SD9772  Athyrium filix-femina var. cyclosorum Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  CAS-BOT-BC66090  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-21 35796 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC66098  Athyrium filix-femina var. cyclosorum Clarence R. Quick 1952-9-6 52 -316 Plumas Southeast of Meadow Valley (about 1.5 miles se. of Dean's Valley) 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
  UC88466  Balsamorhiza sagittata Mrs. R. M. Austin 1875-6-1 94 Plumas American Valley Comment
  CHSC118661  Barbarea orthoceras Reed Kenny 2015-7-9 2015005 Plumas Plumas National Forest. Location in the upper part of Lone Rock Valley, off Forest Service road 27N65, just east of 28N03J. UTM 699382 E, 4454912 N, NAD83 Zone 10N. 1675 Comment
  SD7934  Betula glandulosa Mrs. R. M. Austin 1878-1 Plumas Big Meadows Comment
  CHSC54465  Betula pumila var. glandulifera Vernon H. Oswald; Lowell Ahart 1991-7-30 4790 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) eastnortheast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced, marshy enclosure at the springs. 1310 Comment
  UC1192179  Bidens cernua Malcolm A. Nobs and S. Galen Smith 1949-8-18 1362 Plumas just s of Chester (Last Chance Marshes at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC34899  Bidens frondosa M. S. Taylor 1981-9-2 4268 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. 1371 Comment
  SEINET4176609  Bistorta bistortoides J. Young 1982-3 s.n. Plumas Dye Creek meadow 1524 Comment
  CHSC84416  Blepharipappus scaber Lowell Ahart; John Dittes 2003-8-8 10484 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  UCD129602  Blepharipappus scaber M. S. Taylor 1982-6-28 4765 -A Plumas Ramelli Ranch, between Calpine Road (109) and cow pastures, south side of Highway 70. Around 1 mile west of beckwourth. 1487 Comment
  UCD114120  Boechera Robert E. Preston 1982-4-29 271 Plumas Hwy 70, n side of Chips Cr. 656 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  CAS-BOT-BC14104  Boechera pauciflora Arthur Chan 1981-5-15 064 Plumas 1.7 mile north of 89 along highway 49. 1828 Comment
  CAS-BOT-BC14258  Boechera pinetorum A. A. Heller; P. B. Kennedy 1907-7-3 8713 Plumas Hills above Red Clover valley. Comment
  CAS-BOT-BC14262  Boechera pinetorum Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1.5 miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  CHSC117484  Boechera pinetorum Lowell Ahart 2016-6-29 21071 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC54317  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4684 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
  UCSB27408  Boechera rectissima Kunze, G. 1971-6-6 Plumas California 89; 5 miles south of Canyon Dam 1158 Comment
  CAS-BOT-BC25581  Boechera retrofracta Mrs. H. C. Cantelow 1938-7-4 2292 Plumas Drakesbad. Comment
  CHSC85677  Boechera retrofracta G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3170 Plumas Sierra Nevada. 4.6 miles south of junction Long Valley and Rush Creek Roads, on lodge above Rush Creek. (Improved logging road at bridge over Rush Creek). 1402 Comment
  CAS-BOT-BC25596  Boechera retrofracta M. S. Taylor 1981-5-11 3685 A Plumas Along Beckwourth-Genesee Valley Road, ca. 0.5 mile south of Flournoy Bridge and junction of highway 89. 1158 Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  CHSC42023  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas Along a water ditch, south of the South Fork of the Feather River, about 1 mile south-west of Pilot Peak, about 1 1/4 mile north-east of the Independent Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC88895  Boechera suffrutescens L. Hanson 1988-7-26 327 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  CAS-BOT-BC478470  Boisduvalia John Thomas Howell 1976-7-16 51889 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  POM249883  Boisduvalia densiflora Joseph A. Ewan 1934-7-18 8543 Plumas Middle Fork, Feather River 1 mile west of Portola 1646 Comment
  CAS-BOT-BC28214  Bolboschoenus fluviatilis John Thomas Howell 1961-9-25 36942 Plumas Feather River bed, Portola. 1478 Comment
  CHSC110869  Botrychium montanum Tim Hanson; Emily Meigs Doe 2013-7-31 3 Plumas North High Sierra Nevada. On the Southeast side of Silvertip Road (22N60) approximately .9 km north of its intersection with Road 22N68. 1637 Comment
  UC1609397  Botrychium simplex Vernon H. Oswald and Lowell Ahart 1993-8-3 5768 Plumas ca. 9 mi (air) n Lake Almanor (unnamed lake ca. 0.25 mi e of Hay Meadow, n end 30N25, sw corner of lake); s edge Caribou Wilderness 1926 Comment
  CHSC82556  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 A Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  CHSC83012  Botrychium simplex var. compositum Lowell Ahart 2002-9-8 9934 Plumas In a meadow, near a small pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  CHSC61414  Brasenia schreberi Vernon H. Oswald; Lowell Ahart 1993-8-11 5782 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  CHSC81774  Brasenia schreberi Lowell Ahart 2001-10-16 9387 Plumas Round Valley Reservoir, plants collected near north shore and west of the dam, just below the road, about 2 1/2 miles southwest of Greenville. 1365 Comment
  CAS-BOT-BC106229  Brickellia californica J. T. Vale 1988-10-2 s.n. Plumas Feather Rv 609 Comment
  CHSC62421  Brickellia californica L. P. Janeway 1993-9-1 4575 Plumas Plumas National Forest. Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. 914 Comment
  SEINET10475010  Brickellia californica Mary Susan Taylor 1981-9-14 Taylor 4278 Plumas California: Plumas: T25N R9E nw1/4 of ne1/4 sec 9. Greenville SW quad. W side of Hwy 89, ca. 1 air mi N of Hwy 70, ca. 10 air mi W of Quincy (across from Travertine Quarry). 3000 ft. 914 Comment
  CAS-BOT-BC127711  Brickellia greenei Lowell Ahart 1986-9-10 5393 Plumas Along the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 Comment
  CHSC30754  Brickellia greenei M. S. Taylor; W. Dakon, T. Griggs. 1980-9-27 3349 Plumas Ca. 1/4 mi S of Bucks Lake-Spanish Ranch Rd, ca 1/4 mi E of Frenchman Hill, ca 20 mi SW of Quincy. 1645 Comment
  CAS-BOT-BC484568  Brodiaea minor John Thomas Howell 1973-7-10 49745 Plumas Near Greenville 1097 Comment
  CAS-BOT-BC149319  Bromus carinatus var. carinatus Lowell Ahart 1977-8-8 s.n. Plumas At the lake one mile west of Pilot Peak. 150 meters south of the lake. The lake and Pilot Peak is about 15 miles northeast of La Porte. 2000 Comment
  CHSC55637  Bromus carinatus var. carinatus K. R. Stern 1985-6-25 8223 Plumas Vicinity of Blairsden. 1402 Comment
  UC1131036  Bromus carinatus var. carinatus E. Sawyer 1935-5-28 43 Plumas 3 1/2 mi n of Hawks 1645 Comment
  CAS-BOT-BC148716  Bromus carinatus var. marginatus John Thomas Howell 1977-6-20 52412 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  UCD59157  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Almanor. 1828 Comment
  CDA13941  Bromus ciliatus G. F. Hrusa 1997-6-26 13879 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
  JEPS106343  Bromus ciliatus Lowell Ahart 2004-7-27 11318 Plumas On the east side of the dirt road (Forest Road 10), about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northeast of La Porte 1711 Comment
  CAS-BOT-BC155800  Bromus diandrus Javier Penalosa 1962-6-19 2504 Plumas Highway 40-89, +-6.2 miles east of Quincy. 1097 Comment
  CAS-BOT-BC155059  Bromus hordeaceus John Thomas Howell 1962-6-18 37754 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  JEPS45880  Bromus hordeaceus L. S. Smith 1925-4-29 1556 Plumas Tahoe National Forest, s slope of Grizzley Ridge Grizzley Ridge; Tahoe National Forest, Grizzley Ridge 975 Comment
  CAS-BOT-BC162155  Bromus orcuttianus John Thomas Howell 1973-7-9 49722 Plumas Sierra Nevada. Round Valley. 1371 Comment
  CAS-BOT-BC162157  Bromus orcuttianus John Thomas Howell 1975-7-22 51363 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC162160  Bromus orcuttianus Clare B. Hardham 1970-8-9 17716 A Plumas Road to Thompson Peak Lookout. 2133 Comment
  JEPS115888  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-15 16092 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1131111  Bromus orcuttianus C. W. Hanks 1934-8-9 23 Plumas Mountains n of Sierra Valley (Plumas National Forest); Plumas National Forest 1828 Comment
  UCD59258  Bromus orcuttianus G. L. Stebbins Jr. 1939-7-7 2914 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Comment
  SEINET4404263  Bromus racemosus W. Harnach, N. Harnach 1991-6-21 563 Plumas Sierra Valley, next to railroad bridge east of Co. Rd. A-23, just S of Beckwourth 573 Comment
  CAS-BOT-BC161363  Bromus tectorum Fred Sommers 1976-7-15 172 Plumas Sierra Nevada. Sierra Valley Marsh, along road on North side of Dyson Lane near Marble Hot Springs. 1524 Comment
  CDA12088  Bromus tectorum G. F. Hrusa, G. L. Webster 1989-5-1 7021 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  UCD59857  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas West side of Lake Almanor. Comment
  RSA700312  Bromus vulgaris L. Ahart 2004-7-27 11318 Plumas about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northwest of La Porte 1712 Comment
  CAS-BOT-BC438481  Calandrinia ciliata John Thomas Howell 1960-7-18 35570 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC438484  Calandrinia ciliata John Thomas Howell; H. Keith Wagnon 1980-5-27 53631 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CHSC81359  Callitriche stagnalis Lowell Ahart 2001-9-18 9283 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CHSC102058  Calocedrus decurrens Lowell Ahart; John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  UC1103464  Calochortus coeruleus Mrs. Mabel Dopplmaier 1949-6-18 Plumas near Johnsville Comment
  CAS-BOT-BC491840  Calochortus leichtlinii Janet Jones 1980-7-16 215 Plumas Frazier Falls area 1828 Comment
  UC170933  Calochortus leichtlinii H. M. Hall 1912-7-7 9311 Plumas Jameson Creek Sierra Nevada Mountains 1920 Comment
  CHSC97045  Calochortus nudus B. Castro; Samantha Hillaire 2005-7-7 1487 Plumas Ca 7 air mi SW of Bucks Lake and 1.5 air mi SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jcn of the 'D' spur road. At N edges of large open meadow. 1584 Comment
  UC337912  Calochortus nudus unknown 1889-5-27 Plumas Mohawk Valley Comment
  UC648402  Calochortus nudus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1740 Plumas below Humboldt Summit (on road between Jonesville and Lake Almanor) Comment
  CHSC21516  Caltha leptosepala var. biflora L. Mayer; D. Brink 1975-7-8 Plumas Buck's Lake. Along stream. Comment
  CAS-BOT-BC90968  Calycanthus occidentalis Hatton; Cayot 1914-9-12 s.n. Plumas Plumas Forest. Cascade Valley. 1219 Comment
  RSA95563  Calycanthus occidentalis J. T. Howell 1951-8-19 28172 Plumas 3 miles E of Rich Bar. 854 Comment
  CHSC21127  Calyptridium monospermum F. T. Griggs; A. Pass 1975-7-1 17 Plumas Buck's Lake Forest Service Survey. East of Grizzly Creek. Comment
  UC726182  Calyptridium monospermum A. A. Heller 1941-6-5 Plumas along the Feather River near Bucks Creek Power House; Feather River Comment
  CHSC20837  Calyptridium umbellatum K. R. Stern 1975-7-23 5825 Plumas NW shore of Lake Almanor. 1371 Comment
  SD46711  Calyptridium umbellatum Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2135 Comment
  UC485770  Calyptridium umbellatum H. E. and S. T. Parks June, 1928 225 Plumas Drakesbad, Lassen National Park Drakesbad; Lassen National Park, Drakesbad Comment
  SEINET196486  Calyptridium umbellatum J. M. Tucker 1948-7-25 1744 Plumas Above mine of United Mining Company Pinchard Cr SW side of Camel Peak Comment
  JEPS31599  Calystegia malacophylla subsp. malacophylla W. L. Jepson 1924-7-24 10636 Plumas Meadow Valley 914 Comment
  CAS-BOT-BC221251  Calystegia malacophylla subsp. malacophylla Clarence R. Quick 1953-8-7 53 -124 Plumas Southeast of Meadow Valley Comment
  CHSC33820  Calystegia occidentalis subsp. occidentalis M. S. Taylor; M. Foster 1981-6-2 3821 A Plumas N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CHSC82620  Calystegia occidentalis subsp. occidentalis L. P. Janeway 2001-7-3 7256 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. 1567 Comment
  JEPS109989  Calystegia occidentalis subsp. tomentella Dean W. Taylor 2006-6-29 19557 Plumas Keddie Ridge; meadow just E of Second Water Trough (ca. 1 mile W of Hauns Meadow along County Road 201) 975 Comment
  CHSC2246  Camassia quamash subsp. breviflora R. Morford 1931-5-16 Plumas Humbug Valley 1319 Comment
  POM181277  Camissonia andina J. G. Lemmon 1879-05 s.n. Plumas Warm Spring Valley Comment
  CHSC34285  Camissonia tanacetifolia M. S. Taylor 1981-7-13 3991 Plumas Jct Last Chance Creek and 26N01 at its jct with 28N03 (101), 2 mi e of Jordan Flat, ca. 10 mi w of Doyle. 1798 Comment
  RSA121155  Camissonia tanacetifolia subsp. quadriperforata Wayne E. Sawyer 1935-6-10 90 Plumas 4.75 miles SE of Sugarloaf 1494 Comment
  SEINET10453244  Camissonia tanacetifolia subsp. tanacetifolia Mary Susan Taylor 1981-6-9 Taylor 3879 Plumas T22N R13E ne sec 15, Blairsden quad. E side of Portola McLears Rd (A15), ca. 3 mi SW of Portola; elevation ca. 5100 ft. 1554 Comment
  SEINET10462882  Campanula prenanthoides Austin AUSTIN 546 Plumas HILLS SOUTH OF QUINCY Comment
  SEINET10462997  Campanula prenanthoides Donald E. Brink, L. M. Mayer 1975-7-3 Brink s.n. Plumas Buck's Lake Forest Service Surve T24N R6E Sec. 26 Comment
  SEINET10463178  Campanula prenanthoides Harris Harris s.n. Plumas MEADOW VALLEY, 3800 Comment
  JEPS107715  Capsella bursa-pastoris Lowell Ahart, John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CAS-BOT-BC38093  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  SEINET10935490  Carex Mary Susan Taylor, M. Foster Taylor 3901 Plumas T24N R9E ne/ne sec 6, Bucks Lake NE quad; NW side of Snake Lake, ca. 4 mi NE of Meadow Valley; elevation ca. 4000 ft. 1219 Comment
  CAS-BOT-BC17846  Carex amplifolia Walter Knight; Irja Knight 1966-9-12 1705 Plumas Butterfly Botanical Area and VIcinity. Beargrass Glade. 1127 Comment
  CHSC112374  Carex angustata L. P. Janeway 2014-7-15 11534 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
  SD71030  Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  CAS-BOT-BC17924  Carex angustata George Wilson Gillett 1957-7-18 830 Plumas Lassen Volcanic National Park. North end of Willow Lake, along inlet from Little Willow Lake. 1661 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
  SEINET3898186  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy.; 0 1036 Comment
  SEINET10585099  Carex athrostachya David Castaner 1984-5-28 Castaner 8059 Plumas Almanor, Along highway 89. Comment
  CHSC100048  Carex aurea Lowell Ahart 2008-8-13 15176 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
  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
  CHSC55554  Carex aurea L. P. Janeway 1990-7-11 3789 Plumas Plumas National Forest. About 1/4 mi east of Fremont Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  JEPS110427  Carex aurea Lowell Ahart 2006-7-9 12915 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
  CAS-BOT-BC19130  Carex aurea Clarence Roy Quick 1965-7-23 65 -21 Plumas Sierran Nevada. 3-4 miles south of west end of Humbug Valley. Above Cottonwood Creek Crossing. Comment
  CHSC88228  Carex bolanderi Lowell Ahart 2004-7-27 11312 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  JEPS117699  Carex bolanderi Lowell Ahart 2010-10-21 17314 Plumas On the south side of a small wash, about 100 yards north of Fowler Lake, about 30 yards west of the trail (poor road), about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, abo 1662 Comment
  RSA71295  Carex bolanderi L. S. Rose 1951-6-28 51029 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CHSC106305  Carex brainerdii L. P. Janeway 2010-7-3 10076 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine +/- overlooking Middle Fork Feather River from the north. 1644 Comment
  CHSC77066  Carex brainerdii G. Douglas Barbe; T. C. Fuller 1982-6-15 3694 Plumas On east-facing slope, 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  JEPS109101  Carex brainerdii D. W. Taylor 2008-6-18 20221 Plumas Plumas National Forest, watershed of N Fork Feather River, S Fork Rock Creek, along Forest Road 24N28. Comment
  JEPS95618  Carex brainerdii Lowell Ahart 1994-6-17 7360 Plumas W side of a poor logging road, W side of Sly Creek, about 1/10 mi N of the locked gate, 1 mi E of Sly Creek Reservoir 1097 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  RSA212173  Carex brainerdii L. S. Rose 1969-6-23 69043 Plumas 8 miles SW of Quincy, La Porte Road. 1311 Comment
  RSA364726  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas On Humboldt Road, branching W of highway 89, W of Lake Almanor. Ca. 3 miles W on this road. 1524 Comment
  CAS-BOT-BC34405  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  UCR123513  Carex douglasii George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6874 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CAS-BOT-BC20053  Carex echinata Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Monument. Northern border of swamp north of Willow Lake. 1661 Comment
  CHSC82446  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, about 100 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  JEPS34395  Carex echinata subsp. echinata Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8871 Plumas hanging bog above and nw Butterfly Valley (ca. 1.5 mi w of Keddie) 1158 Comment
  CAS-BOT-BC20115  Carex feta Walter Knight; Irja Knight 1966-6-18 1349 Plumas Sierra Nevada. Butterfly Valley. Pond Reservoir. 1097 Comment
  CHSC51932  Carex feta K. R. Stern 1985-6-25 8310 Plumas Vicinity of Blairsdan. 1402 Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  HSC89409  Carex filifolia var. erostrata L. P. Janeway 1989-6-12 3288 Plumas S side of Red Clover Valley along the Beckwourth-Genesee Rd. (rd 111) 1671 Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. 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
  CHSC99946  Carex fracta Lowell Ahart 2008-8-13 15177 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
  CAS-BOT-BC20699  Carex fracta L. P. Janeway; Garrett Gibson 1991-8-2 4102 Plumas Plumas National Forest. Beckwourth Ranger District. Southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC21973  Carex heteroneura John Thomas Howell 1951-6-27 27590 Plumas McRae Meadow. 1981 Comment
  CHSC76323  Carex heteroneura var. heteroneura G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13263 Plumas Northern California, Sierra Nevada, Plumas National Forest. Along Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  CHSC92289  Carex heteroneura var. heteroneura Lowell Ahart; Josephine Guardino 2005-8-10 12320 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CAS-BOT-BC7747  Carex integra Lewis S. Rose 1954-5-30 54066 Plumas Johnsville. 1600 Comment
  CHSC116185  Carex jonesii Lowell Ahart 2015-7-4 20276 Plumas About 110 yards outh of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1-1/2 miles (air) northwet of Little Grass Valley Reservoir dam. 1712 Comment
  CHSC116202  Carex jonesii Lowell Ahart 2015-7-4 20277 Plumas About 150 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  JEPS107611  Carex jonesii Lowell Ahart, Josephine Guardino 2005-8-10 12322 Plumas Bog in a small wet meadow, a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS114929  Carex jonesii Lowell Ahart 2008-7-16 15085 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  CHSC116374  Carex jonesii Sara M. Taylor; Scott Batiuk 2012-7-31 49 Plumas Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM Zone 10, 4428806 N, 660224 E. 1610 Comment
  CAS-BOT-BC31154  Carex lemmonii John Thomas Howell 1960-7-18 35513 Plumas Wet meadow, Drakesbad. 1828 Comment
  CHSC65598  Carex lemmonii L. P. Janeway 1995-7-23 4869 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Road 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  CHSC58527  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5040 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC84928  Carex lenticularis var. lipocarpa L. P. Janeway 2003-9-20 8001 Plumas Northern High Sierra Nevada. Along edges of Round Lake, especially at the outlet; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. 2047 Comment
  CAS-BOT-BC31641  Carex luzulina var. ablata Walter Knight; Irja Knight 1966-6-18 1345 Plumas butterfly Valley. 1036 Comment
  CAS-BOT-BC31638  Carex luzulina var. ablata George Wilson Gillett 1957-7-19 854 Plumas Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  SEINET8989737 Image available Carex mariposana L. Janeway, Castro, B 2006-1 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km south- west of confluence of Panther Creek and North Arm Rice Creek 1.2 km northeast of Blue Lake.ading Peak .... ' quad. Comment
  CHSC78178  Carex mendocinensis Lowell Ahart 2000-5-21 8381 Plumas Near a small stream, on the west side of Caribou Road, about 4 miles (air) northeast of Belden. 853 Comment
  JEPS110257  Carex multicaulis Lowell Ahart 2006-7-3 12903 Plumas Near the west edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18 1527 Comment
  CHSC47008  Carex nebrascensis L. P. Janeway 1989-7-25 3516 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.1 mi N of Beckwourth. 1752 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
  CHSC97528  Carex nebrascensis Lowell Ahart; John Dittes 2007-6-16 14133 Plumas Bottom of a small stream, meadow, 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
  JEPS115202  Carex nebrascensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16139 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  RSA0036027  Carex nervina Lowell A. Ahart 2012-9-5 18436 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast, of La Porte. 1889 Comment
  CHSC84727  Carex nudata L. P. Janeway 2003-5-17 7789 Plumas Northern High Sierra Nevada. Along northwest edge of North Fork Feather River just below the mouth of Chambers Creek. 613 Comment
  JEPS25927  Carex nudata W. L. Jepson 1918-8-16 8024 Plumas Clover Creek 1584 Comment
  CAS-BOT-BC119183  Carex pachystachya Alice Eastwood 1927-6-1 14688 Plumas Forest Lodge near Greenville. Comment
  CDA17817  Carex pachystachya G. D. Barbe, J. T. Howell (54143 at CAS) & T. C. Fuller 1981-6-23 3112 Plumas 0.25 mile W of Round Valley Reservoir Dam, at NW shore of the reservoir. 1371 Comment
  CHSC118771  Carex pellita Wendy Boes 2014-9-4 2014 -041 Plumas Plumas National Forest. Parnassia Fen, Lakes Basin.(UTM 700224 E, 4399796 N, NAD83, Zone 10N.) 1767 Comment
  RSA122801  Carex praegracilis E. Sawyer 1935-6-7 82 Plumas 3.75 miles SSW of Sugarloaf 1494 Comment
  CAS-BOT-BC118814  Carex preslii Clare B. Hardham 1970-8-8 17701 H Plumas Thompson Peak. Comment
  CHSC55444  Carex rossii L. P. Janeway 1990-7-3 3758 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 2/3 mi south of Little Grizzly Creek. 1874 Comment
  CHSC65137  Carex rossii Vernon H. Oswald; Lowell Ahart 1995-7-24 7120 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CAS-BOT-BC118129  Carex rossii John Thomas Howell 1960-7-21 35832 Plumas Meadowy forest floor NW of Willow Lake. 1706 Comment
  SEINET11635246  Carex rossii L. P. Janeway 1989-1 3275 Plumas Plumas NF, SW side of Red Clover Valley, Beckwourth Ranger District 1692 Comment
  SEINET10818096  Carex rostrata Mary Susan Taylor 1982-7-12 Taylor 4819 Plumas T23N R11E sw1/4 sec 21. Blue Nose Mt quad. Abundant in wet montane meadow in McRae Meadow, ca. 6 mi w of Mohawk. With Trifolium repens, Geum macrophyllum. 1890 Comment
  CHSC47354  Carex sheldonii L. P. Janeway; Jim Battagin, Stacy Scott 1989-7-6 3453 Plumas Plumas National Forest. Along Red Clover Cr in Red Clover Valley; 1.5 mi W of the Clover Valley Ranch bldgs along the Beckwourth-Genesee Rd (rd 111) (12.5 mi from Beckwourth), then 0.6 mi N along fenceline to creek. 1652 Comment
  CDA19275  Carex simulata G. D. Barbe, T. C. Fuller 1982-6-17 3861 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CHSC52353  Carex specifica L. P. Janeway 1990-7-5 3773 Plumas Plumas National Forest. At dirt road crossing of the southeastern branch of Paradise Creek about 1 1/4 mi south of Little Grizzly Creek. 1844 Comment
  CAS-BOT-BC117368  Carex stipata var. stipata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1532 Plumas Butterfly Botanical Area. North of Pond Reservoir. 1097 Comment
  CAS-BOT-BC114997  Carex subfusca John Thomas Howell 1951-6-28 27651 Plumas Johnsville 1584 Comment
  CAS-BOT-BC115985  Carex subfusca Brink; Mayer 1975-6-1 s.n. Plumas Bucks Lake area. Comment
  CAS-BOT-BC115987  Carex subfusca Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC115998  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54371 Plumas 0.75 mi NE of Bucks Summit on road to Quincy. 1600 Comment
  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
  JEPS106385  Carex subfusca Lowell Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  JEPS107492  Carex subfusca Lowell Ahart, John Dittes 2005-9-19 12379 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  SEINET4292054 Image available Carex subfusca L. Janeway, Naczi, R 2004-1 8186 Plumas High Cascade Range. Large willow meadow along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit South edge of the meadow. Comment
  CHSC117470  Carex utriculata B. Castro; Robin Carter 2010-7-17 1826 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 100 ft downstream of dam outlet a few yards NW of lone Ponderosa pine, 1499 Comment
  CHSC52551  Carex utriculata L. P. Janeway 1989-6-30 3432 Plumas Plumas National Forest. Narrow mdw along Crocker Cr, ca 0.6 mi N of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CHSC53546  Carex utriculata L. P. Janeway 1990-6-11 3782 Plumas Plumas National Forest. Halfway between Paradise Cr and Emigrant Cr, and ca 2/3 mi S of Little Grizzly Cr. 1874 Comment
  CHSC99391  Carex utriculata Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10536 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  JEPS49032  Carex utriculata Leland S. Smith 1927-8-10 2174 Plumas Gold Lake amd Gold Valley 2255 Comment
  SEINET10748523  Carex utriculata A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8818 Plumas Prattville. Comment
  RSA91626  Carex vesicaria F. W. Peirson 1926-6-21 6788 Plumas Open flat strip along shore of Lake Almanor. Comment
  JEPS81446  Castilleja M. S. Taylor 1982-6-10 4635 Plumas ca 0.5 mi sw Beckwourth (Ramelli Ranch, se of jct of Calpine Rd (109) and Hwy 70); Portola Quad. 1487 Comment
  CAS-BOT-BC248955  Castilleja B. Carlson 1981-5-15 028 Plumas Hwy. 431 4.3 mi. E. of jct. Hwy. 395 1524 Comment
  JEPS79155  Castilleja applegatei subsp. martinii L. R. Heckard and Rimo Bacigalupi 1980-6-13 5262 Plumas South side of North Fork Feather River, 2.8 miles northeast of Butte County line (southeast of Storrie). Comment
  SJSU14202  Castilleja applegatei subsp. pallida N. A. Hopkins 1989-8-7 1573 Plumas near Red Clover Cr near Red Clover Valley between Beckwourth & Genessee Valley 1676 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-BC249729  Castilleja applegatei subsp. pinetorum David D. Keck 1930-7-24 959 Plumas Halfway between Chester and Westwood 1465 Comment
  CHSC115544  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20415 Plumas Next to Forest Service Road 29N18, 2.68 air-miles northeast orf Morgan Mt., 3.94 air-miles west-southwest of Sifford Mt., 6.85 air-miles south-southeast of Lassen Peak. 1847 Comment
  JEPS107605  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
  JEPS10978  Castilleja applegatei subsp. pinetorum Helen-Mar Wheeler 1944-8-23 Plumas between the Middle Fork of Feather River and the South Fork of Feather River (near the Butte County line, sw Plumas County); Cascade Creek 1280 Comment
  JEPS3800  Castilleja applegatei subsp. pinetorum John Thomas Howell 1926-7-24 2101 Plumas near Prattville 1463 Comment
  JEPS9096  Castilleja applegatei subsp. pinetorum John Thomas Howell 1951-6-28 27715 Plumas Eureka Peak Sierra Nevada 2194 Comment
  POM297718  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-15 8840 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET13732908  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-3 87 -1 Plumas Red Clover Valley. 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
  JEPS74160  Castilleja arachnoidea Loran C. Anderson 1974-7-5 3688 Plumas 15 air mi nw Portola (below Mt. Ingalls summit beside road); Mt. Ingalls 2514 Comment
  SBBG30608  Castilleja lacera D. Myrick 1968-6-19 1948 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  UC170982  Castilleja miniata H. M. Hall 1912-7-25 9374 Plumas Middle Fork Feather River; Sierra Nevada Mountains 1280 Comment
  CDA14769  Castilleja miniata subsp. miniata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3356 Plumas 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  JEPS102354  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 Comment
  JEPS122117  Castilleja miniata subsp. miniata Lowell Ahart 2014-8-24 19758 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS100472  Castilleja pilosa Dean W. Taylor 2000-8-12 17565 Plumas 3 air mi SE of Antelope Lake; Feather River watershed, Dry Flat; Dry Flat (3 air mi SE of Antelope Lake, Feather River watershed) 1676 Comment
  CHSC87872  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11052 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  CAS-BOT-BC48712  Ceanothus cordulatus Anna Head 1921-7-11 s.n. Plumas near top of Indian Pk, Feather River Region 2133 Comment
  SEINET194976  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas South of Chester 1311 Comment
  SEINET3162177  Ceanothus cordulatus E. K. Balls 1950-9-6 15690 a Plumas 3.1 mi. east of turn to Sloat, Hwy 24, between Quincy & Portola 1250 Comment
  UC1070952  Ceanothus cordulatus C. G. Albertus 1935-7-22 224 Plumas 3 3/4 mi sw Lovejoys; Downieville quad, Plumas Nat. For. 1767 Comment
  UC1070985  Ceanothus cordulatus R. Roseberry 1934-11-4 3 Plumas 1.5 mi ne Johnsville; Downieville quad, Plumas Nat. For. 1493 Comment
  UC725900  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas forest s. of Chester 1310 Comment
  UCD111781  Ceanothus cuneatus C. L. Schmidt 1988-7-15 1222 Plumas Red Hill, up Rush Creek Road, 9.4 miles SW of Paxton on US Hwy. 70. 1260 Comment
  CDA18699  Ceanothus cuneatus var. cuneatus G. D. Barbe, T. C. Fuller 1982-6-15 3706 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UC338008  Ceanothus cuneatus var. cuneatus Lemmon 1889-5-27 Plumas Mohawk Valley Comment
  UC338013  Ceanothus cuneatus var. cuneatus Lemmon 1883-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC50734  Ceanothus integerrimus John Thomas Howell 1975-7-22 51376 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  JEPS48728  Ceanothus integerrimus John W. Duffield 1937-6-9 Plumas rd to Quincy 1097 Comment
  UCD112012  Ceanothus integerrimus var. macrothyrsus Lewis S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 mi. s. of Keddie. 990 Comment
  RSA104151  Ceanothus integerrimus var. puberulus T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  CAS-BOT-BC52058  Ceanothus prostratus John Thomas Howell 1975-7-22 51356 Plumas 2 miles Northwest of Spring Garden 1173 Comment
  CAS-BOT-BC52061  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak Comment
  CAS-BOT-BC52062  Ceanothus prostratus Rimo Bacigalupi 1927-7-7 1649 Plumas between Gray Eagle Valley and Long Lake Comment
  CAS-BOT-BC63366  Ceanothus prostratus Alice Eastwood 1927-6-11 14483 Plumas Forest Lodge. Greenville. United States Forest Reserve. Comment
  CAS-BOT-BC63367  Ceanothus prostratus Alice Eastwood 1927-6-15 14594 Plumas On trail to Long Valley. United States Forest Reserve. Comment
  CHSC59923  Ceanothus prostratus L. P. Janeway; Garrett Gibson 1992-7-22 4273 Plumas Plumas National Forest Milford Ranger District Recon Compartment. 0.25 mi east of the top of Horton Ridge, across the ridge from the southeast fork of Horton Canyon. 2057 Comment
  CAS-BOT-BC63290  Ceanothus thyrsiflorus Volney Rattan 1884-5-1 s.n. Plumas Taylorville. Comment
  CHSC26144  Ceanothus velutinus Detzer; M. Sacks 1977-6-25 42 Plumas At sw edge of Squaw Valley. Abundant in openings on floor of Yellow Pine Forest. 1853 Comment
  JEPS28668  Ceanothus velutinus George W. Gillett 1957-7-23 892 Plumas summit of Mt. Harkness Lassen National Volcanic Park 2446 Comment
  UC1071474  Ceanothus velutinus F. W. Embree 1934-6-6 80 Plumas 1 mi s, 0.25 mi w Rutherford; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  JEPS113447  Ceanothus velutinus var. velutinus Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14051 Plumas Steep north slope, about 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  UC569887  Ceanothus velutinus var. velutinus E. Sawyer 1935-7-8 273 Plumas 4 1/4 mi n Hawks; Sierraville Quad., n of Hawks 1798 Comment
  CDA43456  Centaurea stoebe subsp. australis Jennifer Wiley 2015-8-18 PDR# 320 P06131499 Plumas Chester Airport, 241 Masson Road, Chester. 0 Comment
  CAS-BOT-BC384932  Cerastium arvense L. P. Janeway 1991-5-9 3927 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek 655 Comment
  CAS-BOT-BC384930  Cerastium arvense Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas S.W. of Belden Comment
  CHSC20805  Ceratophyllum demersum K. R. Stern 1975-7-23 5842 Plumas On NW shore of Lake Almanor. 1371 Comment
  CHSC44145  Ceratophyllum demersum V. Oswald; L. Ahart 1988-8-4 3674 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of the lake. 1676 Comment
  CAS-BOT-BC400157  Ceratophyllum demersum Robert J. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain, Chain Bar Resort 670 Comment
  CAS-BOT-BC276721  Chaenactis douglasii var. douglasii John Thomas Howell 1926-7-26 2118 Plumas Near Prattville 1524 Comment
  CAS-BOT-BC276724  Chaenactis douglasii var. douglasii John Thomas Howell 1975-6-16 51149 Plumas 2 miles NW of Spring Garden 1173 Comment
  CAS-BOT-BC276733  Chaenactis douglasii var. douglasii John Thomas Howell 1951-6-29 27749 Plumas Spring Garden Creek 1158 Comment
  POM183494  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-09 s.n. Plumas Sierra Valley Comment
  UC1552747  Chaenactis douglasii var. douglasii Frederica Bowcutt 1985-6-6 548 Plumas about 15 air miles ne of, along Beckwourth Genessee Rd, 0.9 mi from Drum Bridge Quincy; Plumas National Forest Comment
  HSC22983  Chamaesaracha nana John Pratt 1970-7-9 68 Plumas Chester airport Comment
  SEINET10453902  Chamaesyce serpillifolia Mary Susan Taylor 1982-8-27 Taylor 5065 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CHSC113904  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-8-24 19757 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  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
  CHSC69513  Chenopodium album Lowell Ahart 1997-9-11 7911 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CDA15912  Chenopodium atrovirens B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Above upper Bull Run Creek off USFS 23N12E. Comment
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  CAS-BOT-BC426316  Chenopodium incognitum John Thomas Howell 1955-7-19 30768 Plumas Sierra Nevada: Bechwourth 1493 Comment
  CAS-BOT-BC451425  Chimaphila menziesii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region 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
  RSA101398  Chimaphila menziesii R. Weatherby 1955-7-21 1646 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  UCD117369  Chimaphila menziesii E. W. Jameson 1950-4-12 s.n. Plumas 4 miles east of Quincy. 1219 Comment
  JEPS66586  Chimaphila umbellata W. L. Jepson 1939-7-29 19273 Plumas Meadow Valley, Spring Hill Trail 1219 Comment
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Mar 30 2016
  CAS-BOT-BC452235  Chimaphila umbellata L. P. Janeway 1990-9-27 3852 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. About halfway between Cascade Cr. and Emigrant Cr, and about 1/3 mi. S of Little Grizzly Cr. 1859 Comment
  CAS-BOT-BC452237  Chimaphila umbellata C. R. Quick 1953-8-1 53 -105 Plumas Lava flat west of Lake Almanor Comment
  RSA59258  Chrysanthemum leucanthemum E. K. Balls 1950-8-31 15558 Plumas Spanish Creek, off Hwy. 24, just north of Quincy 1067 Comment
  UCR123995  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2001-7-6 6852 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CHSC56544  Chrysolepis sempervirens L. P. Janeway 1984-7-13 916 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  RSA121899  Chrysolepis sempervirens E. Nourse 1934-9-5 33 Plumas 2.5 miles north and 3/4 mile west of Dudley. 1921 Comment
  UC1135230  Chrysolepis sempervirens C. W. Hanks 1934-8-9 30 Plumas mtns n Sierra Valley; Plumas National Forest, Sierraville Quad. 2072 Comment
  UCD110155  Chrysolepis sempervirens J. M. Tucker 1948-7-24 1731 Plumas ca. 1/2 mile northeast of Camel Peak. Comment
  RSA60129  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1220 Comment
  CDA10793  Chrysothamnus viscidiflorus subsp. viscidiflorus R. V. Zahm 1964-8-27 Plumas Along railroad tracks, Almanor Railroad between Chester & Westwood. 0 Comment
  JEPS75245  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1974-6-1 34968 Plumas near Beckwourth; Sierra Valley 1478 Comment
  RSA59456  Chrysothamnus viscidiflorus subsp. viscidiflorus E. K. Balls 1950-9-2 15654 Plumas South slope below Mt. Ingalls Lookout, north of Grizzly Valley 2439 Comment
  SD46609  Circaea alpina subsp. pacifica Robert J. Weatherby 1955-8-6 1678 Plumas United States Forest Service Camp, Meadow Valley 1157 Comment
  CHSC92165  Cirsium arvense Lowell Ahart; John Dittes 2005-9-19 12391 Plumas Where the high water flows out of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  JEPS115117  Cirsium arvense Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16242 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS59320  Cirsium arvense W. L. Jepson 1939-8-8 19360 Plumas Quincy 1051 Comment
  CAS-BOT-BC105871  Cirsium arvense Peter Rubtzoff 1978-8-4 9244 Plumas WEst side of Hwy 89 0.2 mile north of Spanish Creek crossing, ca. 0.75 mile north of Quincy Comment
  SEINET10475277  Cirsium cymosum Mary Susan Taylor 1982-6-28 Taylor 4773 A 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
  SEINET7451108 Image available Cirsium cymosum var. cymosum A. A. Heller, P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith and Red Clover valley Comment
  UC91725  Cirsium douglasii var. breweri Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CDA31795  Cirsium occidentale var. venustum C. Krass 1979-8-1 Plumas ).7 miles E of mile post 31.50 on HIghway 70 0 Comment
  CAS-BOT-BC280432  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Rd., just N/Co. line 7.3 mi S/Vinton Comment
  SEINET3840891  Cirsium scariosum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3866 Plumas Two miles north of Turkey Point Fishing Access, USGA Quadrangle: Frenchman Lake 7.5 1700 Comment
  UCD130694  Cirsium scariosum var. americanum R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CAS-BOT-BC285830  Cirsium vulgare Greg Sommers 1976-8-23 1276 Plumas Sierra Valley along Marble Lane 1487 Comment
  RSA59828  Cirsium vulgare E. K. Balls 1950-9-15 15845 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  CAS-BOT-BC228918  Cistanthe umbellata Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent Mills Comment
  CAS-BOT-BC228898  Cistanthe umbellata Lloyd W. Swift 1932-7-11 65 Plumas Plumas National Forest. Tamarack R.S. 1706 Comment
  UC570210  Clarkia lassenensis E. Sawyer 1935-6-5 71 Plumas 3 1/4 mi se Beckwith Butte; Sierraville Quadrangle 1584 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
  CHSC82533  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7267 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA0004428  Clarkia mildrediae subsp. lutescens L. P. Janeway 1995-7-29 4881 Plumas Along Oroville-Quincy Hwy 0.9 mi west of Grizzly Creek. 1622 Comment
  RSA0059905  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1995-7-29 4882 Plumas Along Pipeline Road 3.3 miles NW of Lower Bucks Lake Dam. 1585 Comment
  UC1552753  Clarkia rhomboidea Frederica Bowcutt 1985-6-6 541 Plumas 0.2 mi se Drum Bridge (about 15 air mi ne of Quincy, immed. n of Red Clover Creek and Beckwourth Genesee Road); Plumas National Forest Comment
  CAS-BOT-BC164930  Clarkia rhomboidea Robert J. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station U.S.F.S. 1066 Comment
  UC1075695  Clarkia rhomboidea Robert J. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station, USFS 1066 Comment
  CHSC117486  Clarkia stellata Lowell Ahart 2016-6-29 21072 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC86950  Clarkia stellata L. P. Janeway 2001-6-19 7185 Plumas High Cascade Range. Willow Lake; along north side of the lake, above the trail 3-12 m. 1658 Comment
  RSA516780  Clarkia stellata Walter Knight, I. Knight, John Thomas Howell, Gordon True 1967-7-12 2110 Plumas Butterfly Botanical Area and vicinity, between valley proper and Darlingtonia bog 1067 Comment
  SEINET4149820  Clarkia stellata A. A. Heller, P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CAS-BOT-BC165428  Clarkia unguiculata John Thomas Howell 1967-6-22 42651 Plumas Near mouth of Granite Creek. Canyon of the Feather River North Fork 609 Comment
  JEPS127656  Claytonia Jurriaan M. de Vos 2014-6-4 292 Plumas Plumas NF. Near Little Grass Valley Reservoir shore, ca. 400 m S from boat ramp pf peninsula campground. Comment
  CAS-BOT-BC451748  Claytonia lanceolata Gladys L. Smith 1976-6-7 4610 Plumas South end of summit ridge. Secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CHSC43718  Claytonia lanceolata Vernon Oswald 1984-6-25 1322 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. Growing on the wooded edge of a mountain meadow. 1889 Comment
  SEINET10572692  Claytonia nevadensis Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4199 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
  CAS-BOT-BC233844  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas Near Marston Station 1066 Comment
  CHSC34876  Claytonia parviflora subsp. parviflora M. S. Taylor 1981-5-11 3686 A Plumas W side of Hwy 89, ca. 1 air mi n of Hwy 70, ca. 10 air mi w of Quincy (across from Travertine Quarry). 914 Comment
  CAS-BOT-BC443638  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1961-6-21 36668 Plumas Greenville 1097 Comment
  CAS-BOT-BC443709  Claytonia rubra L. P. Janeway 1990-6-19 3723 Plumas Plumas National Forest, Beckwourth Ranger District. West of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  CHSC33621  Claytonia rubra subsp. rubra M. S. Taylor; M. Foster 1981-6-3 3847 Plumas W side of 24N10, in sandy dry soils in shade of Pinus ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  CHSC53163  Claytonia rubra subsp. rubra L. P. Janeway 1989-6-9 3283 Plumas Beckwourth Ranger District. Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CAS-BOT-BC443802  Claytonia rubra subsp. rubra Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CHSC63298  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas On the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC76070  Collinsia parviflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3253 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 miles northwest of China Grade Road (to Taylorsville). 1798 Comment
  CDA18734  Collinsia parviflora G. D. Barbe, T. C Fuller 1982-7-15 3748 Plumas Plumas National Forest; 5.2 miles northeast of junction with road to Red Hill. 1524 Comment
  CHSC35956  Collinsia rattanii M. S. Taylor 1982-5-25 4523 Plumas Along n road embankment of 23N12 in McDermott Ravine, Sloat fire area, ca. 3 mi ne of Sloat. 1402 Comment
  SEINET10832480  Collinsia rattanii Mary Susan Taylor 1982-5-25 Taylor 4523 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  CHSC21191  Collinsia torreyi F. T. Griggs; A. Pass 1975-7-10 148 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC37025  Collinsia torreyi M. S. Taylor 1982-6-17 4690 Plumas S side of 23N44Y, 0.2 mi w of its jct with 23N50Y (Bell Bar Creek Rd), ca. 2 air mi se of Sloat. 1493 Comment
  CHSC63154  Collomia grandiflora Lowell Ahart 1994-7-7 7461 Plumas Plumas and Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  RSA59239  Collomia grandiflora E. K. Balls 1950-8-31 15527 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1098 Comment
  CHSC101791  Collomia tinctoria Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15852 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC89281  Collomia tinctoria G. Douglas Barbe; T. C. Fuller 1982-6-15 3734 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS96024  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-8-14 8159 Plumas ca. 2 mi. (air) n.w. of Meadow Valley (on the Oroville-Quincy Hwy.) (rd. paralleling Spanish Creek near Greens Flat); northern High Sierra Nevada 1127 Comment
  CAS-BOT-BC286171  Conyza canadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1457 Plumas Butterfly Botanical Area and vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  JEPS122241  Conyza canadensis Lowell Ahart 2014-9-9 19835 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  RSA754869  Conyza canadensis L. Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CDA14717  Corallorhiza maculata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3236 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  SEINET10470004  Corallorhiza maculata Lowell Ahart, Peter Ahart 1984-6-21 Ahart 4719 Plumas About 1 mi N of Turkeytown, along a dirt rd that cuts W to Hopkins Creek, not the road that will take you west to Onion Valley, ca. 2 mi NW of Blue Nose Mt, ca. 15 mi NE of LaPorte; Red Fir For. 200 Comment
  JEPS81461  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-10 4229 Plumas ca. 1/2 mi e Long Valley Mine (ca. 4 air mi w of Greenville); Almanor NE quad 1615 Comment
  SEINET10548993  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1982-9-8 Taylor 5117 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET10548995  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-7-18 Taylor 4055 Plumas T26N R7E sw/se sec 33, Almanor SW quad. On serpentine, N side of Caribou Rd, ca. 4 mi NE of its jct with Hwy 70 near Belden. 2700 ft elev. 823 Comment
  CAS-BOT-BC209721  Cornus John Thomas Howell 1977-6-21 52379 Plumas Seneca 1097 Comment
  CAS-BOT-BC209436  Cornus nuttallii E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  POM147062  Cornus nuttallii Alice Eastwood 1927-06 14487 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  SEINET3161702  Cornus nuttallii E. K. Balls 1950-9-5 15677 Plumas main trail Thompson Creek, off La Porte road, off Hwy 24, E of Quincy 1524 Comment
  UCR260815  Cornus nuttallii D. Finley 1998-5-2 2- 03 Plumas Sierra Nevada Mtns., Hwy 70 North, on the east side of the road, 10 road miles south of Quincy 793 Comment
  CAS-BOT-BC210311  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  CAS-BOT-BC210314  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  CAS-BOT-BC210321  Cornus sericea David D. Keck 1932-7-3 1654 Plumas South of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  UC1122812  Cornus sericea subsp. sericea E. Sawyer 1935-6-14 113 Plumas 3 mi. n.-n.e. Kerby; Plumas Nat'l Forest, Sierraville Quad. Comment
  RSA60801  Cornus stolonifera I. L. Wiggins 1948-9-15 12057 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  SD46555  Corydalis caseana Robert J. Weatherby 1955-7-2 1578 Plumas Near Taylor Lake, Below Bear Ridge, near Taylor Lake Comment
  CHSC64456  Corydalis caseana subsp. caseana B. Castro; G. Kuenster, L. Gehrung 1994-7-17 527 Plumas 1 air mi E of Whitehorse Campgd E of Bucks Lake, ca 300 ft S of tributary to Bucks Creek. Along N-trending perennial creeklets tributary to Bucks Creek. 1645 Comment
  CAS-BOT-BC169501  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas woods in vicinity of Cascade Comment
  CAS-BOT-BC141571  Crataegus castlegarensis John Thomas Howell 1980-5-27 53605 Plumas Near Crescent Mills in southwestern end of Indian Valley - Sierra Nevada 1066 Comment
  SD8505  Crataegus gaylussacia Daniel Cleveland July 1882 Plumas Big Spring Big Meadow Comment
  CAS-BOT-BC148431  Crataegus suksdorfii John Thomas Howell 1961-9-23 36835 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC290330  Crepis John Thomas Howell 1962-6-17 37728 Plumas Portola 1463 Comment
  CAS-BOT-BC290448  Crepis acuminata Rimo Bacigalupi 1927-7-11 1700 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC290456  Crepis acuminata Anna Head 1920-7-23 s.n. Plumas Lake Center Camp, near Green Lake. Feather River Region 1920 Comment
  JEPS115230  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
  RSA755686  Crepis acuminata L. Ahart, John Dittes 2009-7-15 16098 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
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  SEINET7837061 Image available Crepis bakeri M. Foster 1988-6-5 159 Plumas N of Big Grizzly Creek and S of Walker Mine Rd., 1 mi W of Lake Davis, 12 mi N by NW of Portola 1768 Comment
  CAS-BOT-BC291563  Crepis intermedia Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1566 Plumas Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  UC176424  Crepis intermedia A. A. Heller and P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  CAS-BOT-BC291593  Crepis modocensis subsp. subacaulis G. L. Stebbins; J. A. Jenkins 1937-7-9 2257 Plumas Bare summit ridge and ridges southwest of Diamond Mt. south of Susanville 2286 Comment
  RSA641873  Crepis modocensis subsp. subacaulis Michael A. Vincent 1999-6-7 8534 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  CAS-BOT-BC291600  Crepis monticola Frank W. Peirson 1926-6-22 6829 Plumas Drakesbad, Lassen National Park Comment
  SEINET10474589  Crepis pleurocarpa Mary Susan Taylor 1982-8-5 Taylor 4931 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  UC346553  Crepis pleurocarpa E. B. Babcock 1928-6-15 161 Plumas 2 mi e Meadow Valley (on road to Quincy) Comment
  CHSC81843  Crypsis alopecuroides Lowell Ahart 2001-10-16 9377 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  UCD59815  Crypsis schoenoides John Thomas Howell 1959-9-26 35068 Plumas Feather River Canyon. Ca. 1.5 miles west of Belden. 682 Comment
  CHSC34334  Crypsis vaginiflora L. Ahart 1981-9-6 3100 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the hct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC189308  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54219 Plumas About 5 miles SE of Mount Hough on the road to Quincy 1584 Comment
  CHSC80165  Cryptantha affinis L. P. Janeway 1996-6-12 5011 Plumas Northern High Sierra Nevada. 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CHSC96849  Cryptantha affinis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14007 Plumas Around trees, east side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  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
  CDA18482  Cryptantha affinis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3235 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  RSA687513  Cryptantha affinis G. D. Barbe, T. Fuller, J. T. Howell 1981-6-24 3235 Plumas 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1738 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
  CHSC102750  Cryptantha torreyana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC35070  Cryptantha torreyana R. A. Schlising 1981-8-2 4179 Plumas Just N of Butte County line, in basin draining into Scotts John Creek. 2011 Comment
  CHSC53150  Cryptantha torreyana L. P. Janeway 1989-6-20 3341 Plumas Plumas National Forest. Southwest side of Red Clover Valley. 1691 Comment
  JEPS102358  Cryptantha torreyana Lowell Ahart 2001-7-17 8934 Plumas about 2 air miles NE of Humboldt Summit (W side of a branch of Butt Creek, on N side of dirt road a little W of Ruffa Ranch, 1 air mile n of Eagle Rocks) 1706 Comment
  SBBG122934  Cryptantha torreyana B. Ertter 1988-7-25 7846 Plumas Snoring Springs, 0.5 mi N of Diamon Mtn-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  SD29279  Cryptantha torreyana W. I. Follett 1937-5-30 80 Plumas Rich Gulch 1175 Comment
  UCD120098  Cryptantha torreyana John Thomas Howell 1960-7-18 35545 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC46029  Cryptogramma acrostichoides Lowell Ahart 1980-9-17 2649 Plumas About 1/2 mile west of Fowler Peak, north of Little Grass Valley Reservoir. 1645 Comment
  SEINET10529928  Cryptogramma acrostichoides Mary Susan Taylor 1982-8-30 Taylor 5078 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  MACF019595  Cupressus Trudy R. Ericson 1975-9-18 403 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  CHSC91897  Cupressus bakeri Lowell Ahart; Josephine Guardino, John Dittes 2005-8-10 12325 Plumas On the east side of Forest Road 27N34, about 1/2 mile south of Wilcox Valley, about 3/4 mile northeast of Eisenheimer Peak. 2021 Comment
  RSA715679  Cupressus bakeri L. Ahart, Josephine Guardino, John Dittes 2005-8-10 12325 Plumas On the east side of Forest Road 27N34, about 1/2 mile south of Wilcox Valley, about 3/4 mile northeast of Eisenheimer Peak. 2022 Comment
  UCD133452  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas Genesee Valley quad. N and NE side of west flank of Wheeler Peak ridge, ca. 5 air mi. NE of Genesee. 1981 Comment
  JEPS87821  Cuscuta californica Lowell Ahart 1994-7-22 7506 Plumas n of Mount Etna (on the s side of the Pacific Crest Trail, Plumas and Sierra Counties); n of Mount Etna 1981 Comment
  UC1776801  Cuscuta californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13254 Plumas Sierra Nevada - Plumas National Forest; Shaded site on slopes to W of headwaters of Bull Run Creek off USFS 23N12E. 2100 Comment
  CAS-BOT-BC224544  Cuscuta californica John Thomas Howell; G. D. Barbe; T. C. Fuller 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  CHSC36994  Cuscuta californica var. breviflora M. S. Taylor 1982-8-5 4928 Plumas Mt Hough summit, ca. 7 mi nne of Quincy. 2203 Comment
  RSA795636  Cuscuta californica var. breviflora L. Ahart 2011-9-20 17679 Plumas Along the poor dirt road on the north side of Pilot Peak, about 9 air miles northeast of La Porte. 2073 Comment
  HSC97189  Cuscuta occidentalis L. Ahart 2003-9-7 10563 Plumas E side of the dirt road, 50 yds. SE of the Pacific Crest Trail, on Bunker Hill Ridge, 1 (air) mi. SE of Pilot Peak, 9 (air) mi. NE of La Porte 2039 Comment
  CHSC102100  Cuscuta subinclusa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16247 Plumas Growing on Ceanothus integerrimus, on the west side of Forest Service Road 26N22, 1.2 miles (air) east of Seneca. 1517 Comment
  RSA795988  Cusickiella douglasii J. R. Shevock 1985-5-19 11166 Plumas Plumas National Forest, along forest road 28N01 at Dixie valley, 11.6 mi NW of Frenchman Reservoir. 1900 Comment
  CHSC65626  Cycladenia humilis var. humilis L. P. Janeway 1995-6-25 4815 Plumas Upper slope overlooking Butt Creek about 2 mi southwest of Prattville and Lake Almanor. 1432 Comment
  CHSC82528  Cymopterus terebinthinus var. californicus L. P. Janeway 2001-7-3 7269 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 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
  UC1100556  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1388 Plumas just s. Chester (Last Chances Marshes at n. end of Lake Almanor); Lake Almanor, Last Chances Marshes Comment
  CHSC21805  Cystopteris fragilis F. T. Griggs; A. Pass 1975-7-8 101 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS62351  Cystopteris fragilis James W. Daly 1937-5-24 Plumas near Quincy Q Comment
  SEINET10937954  Cystopteris fragilis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4340 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  JEPS118688  Cytisus scoparius L. P. Janeway 2011-8-23 10667 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.8 road km east of Road 22N60; 2.5 air km east-northeast of the northeast corner of Little Grass Valley Reservoir. Onion Valley 7.5' quad. Comment
  CAS-BOT-BC445529  Damasonium californicum Fred Sommers 1976-6-7 122 Plumas Along Dyson Lane 300 m. west of metal bridge. Sierra Valley Marsh. 1524 Comment
  UCD150643  Damasonium californicum Tim Metcalf 1974-5-27 372 Plumas Three miles W of Loyalton; 1.5 mi. N of Rd. 49 on Harriet Ln. 1524 Comment
  CHSC102708  Danthonia californica var. americana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16159 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
  UCD61354  Danthonia unispicata G. Douglas Barbe; T. C. Fuller 1982-6-17 3852 Plumas East shore Frenchman Lake; Crystal Fishing Access. 1706 Comment
  CAS-BOT-BC76203  Darlingtonia californica Mrs. Austin s.n. Plumas Unspecified. Comment
  CHSC1625  Darlingtonia californica R. Calkins 1932-7-1 Plumas Na Wak Wa, near Longville. ... Field redacted by CHSC, contact the data manager for more information 1310 Comment
  SBBG30523  Darlingtonia californica D. Myrick 1968-6-18 1933 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  UC1127099  Darlingtonia californica A. E. Wieslander 1927-7-7 8 Plumas Feather River Experiment Station Downieville Quadrangle 1066 Comment
  UCD119075  Darlingtonia californica Barry Rice 2010-6-11 BR 100605 Plumas Along York Creek. Comment
  SEINET10480121  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5034 Plumas T25N R9E sw/sw sec 18. Almanor SE quad. Under PG&E wire between dirt rd and Feather River, in seep on slope ca. 1/4 mi n of Dutch Creek, ca. 0.5 mi ne of Twain. Riparian; 2800 ft. 853 Comment
  UC9155  Delphinium andersonii Mrs. C. C. Bruce June 1898 2239 Plumas Dye place Comment
  CHSC100724  Delphinium depauperatum L. P. Janeway; B. Castro 2008-6-8 9403 Plumas Northern High Sierra Nevada. About 170 m west of Crocker Creek, on west side of Beckwourth-Genesee Road 1.5 km north of Crocker Guard Station. 1713 Comment
  CDA18492  Delphinium gracilentum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3362 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road formed by Bucks Creek. 1645 Comment
  JEPS23486  Delphinium nudicaule Esther C. Fritz 1933-6-27 Plumas banks of falls just s UC Forestry Camp (Camp Califorest) (s edge of valley); Meadow Valley, Schneider Creek, Schneider Falls 1158 Comment
  SEINET5338036  Delphinium nudicaule P. A. Lehenbauer 1937-5-30 s.n. Plumas On Feather River 60 miles from Reno Near Feather River Inn. Comment
  CAS-BOT-BC116118  Delphinium nuttallianum A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC116128  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-16 7476 Plumas Diamond Peak Comment
  CDA14000  Delphinium nuttallianum G. F. Hrusa, T. D. Wilfred 1997-6-26 13917 Plumas Sierra Nevada; Seasonally moist, now +- dry, flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Occasional in mostly open sites, flowers dark purple. Root attachment narrow. Comment
  CHSC39371  Delphinium nuttallianum L. Ahart; P. Ahart 1983-8-17 4316 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-La Porte Rd, northeast of La Porte. 2000 Comment
  CHSC41180  Delphinium nuttallianum J. D. Jokerst 1984-5-14 2012 Plumas SE of Genesee Valley, S of Ward Cr. 1584 Comment
  UC1126053  Delphinium nuttallianum A. Lewis 1934-6-12 474 Plumas 4 1/2 mi sw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle, Moorevile Ri Comment
  SD243406  Delphinium nuttallianum G. Douglas Barbe, T. C. Fuller 1982-6-15 3705 Plumas 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
  SJSU15163  Delphinium polycladon N. Hopkins 1993-5-26 1722 Plumas Dyson Lane, NE corner of Sierra Valley Comment
  CAS-BOT-BC198158  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor 1828 Comment
  CDA19262  Deschampsia danthonioides G. D. Barbe, T. C. Fuller 1982-6-17 3848 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  RSA201362  Deschampsia danthonioides J. T. Howell 1960-7-19 35619 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  CAS-BOT-BC201889  Deschampsia elongata Mary S. Clemens 1920-6-22 7 Plumas Quincy Comment
  CAS-BOT-BC201890  Deschampsia elongata Alice Eastwood 1927-6-13 14554 Plumas Forest Lodge near Greenville 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
  JEPS115946  Deschampsia elongata Lowell Ahart, John Dittes 2009-7-15 16091 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
  UC1523729  Deschampsia elongata Gary Schoolcraft 1982-7-28 851 Plumas near Benner Creek n. of Chester 1402 Comment
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  UC1126758  Descurainia pinnata E. Sawyer 1935-6-10 89 Plumas 4.5 mi se Sugarloaf; Sierraville Quad. 1493 Comment
  LA47693  Dicentra formosa C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UCR3552  Dicentra formosa Wm. Horn Jr. 1963-7-14 630714- 5 Plumas Northern Sierra Nevada Mtns, 1.75-2.0 mi west of Meadow Valley store on [S side of] Big Creek 1189 Comment
  SEINET12091402  Dicentra formosa W. Knight, Knight, I. 1983-1 4898 Plumas On road between Chester and Drakesbad Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  CHSC81101  Dieteria canescens var. shastensis Lowell Ahart 2001-8-29 9223 Plumas On the north side of Doyle Grade Road, about 1/4 mile west of Meadow View Station, about 6 miles (air) north of Frenchman Lake. 1828 Comment
  CAS-BOT-BC290985  Dieteria canescens var. shastensis G. D. Hanna 1958-9-18 s.n. Plumas Crystal Mt., Eastern Plumas Co. 2194 Comment
  CAS-BOT-BC151818  Diplacus mephiticus John Thomas Howell 1977-6-21 52390 Plumas Cut at north end of Butt Valley Reservoir - Sierra Nevada 1264 Comment
  CAS-BOT-BC153672  Diplacus mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine [Engel Mine] 1828 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CAS-BOT-BC151259  Diplacus torreyi John Thomas Howell 1926-7-26 2123 Plumas Near Prattville 1371 Comment
  SD7178  Disporum trachyandrum Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  RSA768931  Dittrichia graveolens L. Ahart, John Dittes 2010-10-5 17302 Plumas North side of Highway 70, Serpentine Canyon, 2.7 air miles east-northeast of Rich Bar, 3.9 air miles west of Twain. 814 Comment
  UCD169819  Dittrichia graveolens Lowell Ahart; John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) wesr of Twain. 813 Comment
  RSA101433  Dodecatheon alpinum R. Weatherby 1955-6-26 1561 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  UC673360  Dodecatheon alpinum Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); nr outlet Bear Lake, near base Mt. Elwell Comment
  UCSB45347  Dodecatheon hendersonii Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy. Comment
  UC1039541  Dodecatheon jeffreyi Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); near outlet Bear Lake, near base of Mt. Elwell Comment
  HSC17904  Dodecatheon subalpinum R. S. White 1965-5-15 Plumas 40 mi W of Chester on Hwy. 36 Comment
  CHSC117351  Downingia bacigalupii B. Castro; Mike Berry 2016-6-28 2142 Plumas High Cascade Range. Off W shore of Lake Almanor, on W side of Hwy 89 ca 5.5 mi S of its jcn with hwy 36 and ca 0.75 mi W of town of almanor. Ca 300 ft W of Hwy 89 on S side of entrance rd to rest stop. 1399 Comment
  JEPS125925  Downingia bacigalupii D. W. Taylor 2001-6-20 17800 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  RSA93300  Downingia bacigalupii J. T. Howell 1926-7-30 2166 Plumas Near Prattville on Lake Almonor Comment
  RSA93301  Downingia bacigalupii D. D. Keck 1932-7-6 1716 Plumas Halfway between Prattville and Chester. 1341 Comment
  SEINET10458509  Downingia bacigalupii Mary Susan Taylor 1982-7-8 Taylor 4793 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
  SEINET10873517  Downingia bacigalupii Mary Susan Taylor 1981-6-23 Taylor 3945 Plumas T23N R14E se/nw sec 27. Portola quad. Ramelli Ranch, along North Fork Feather River, ca. 1/4 mi S of Hwy 70, ca. 1 mi W of Beckwourth. 4900 ft elev. 1798 Comment
  UC1243996  Downingia bacigalupii John H. Weiler 1959-6-20 59185 Plumas 1.5 mi ne Sattley, Sierra County (along the Sattley-Beckwith road) Comment
  PASA301  Downingia elegans Margaret Stason 1932-6-22 Plumas Camp Ground, Lake Almanor Comment
  CAS-BOT-BC41401  Draba verna Mrs. Joseph Clemens 1920-2-25 7000 Plumas Crescent Mills. Comment
  CHSC46614  Drosera X obovata Vernon H. Oswald; Wes Dempsey 1989-8-3 3914 Plumas Willow Lake located se of Drakesbad, just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  CHSC58168  Drosera rotundifolia Vernon H. Oswald 1992-6-18 5000 Plumas Lassen Volcanic National Park. Corner of park on S ... Field redacted by CHSC, contact the data manager for more information 1597 Comment
  CAS-BOT-BC159672  Drymocallis glandulosa Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1967-7-12 2142 Plumas Pond reservoir, Butterfly Botanical Area and vicinity 1127 Comment
  CAS-BOT-BC159670  Drymocallis glandulosa Gordon H. True; John Thomas Howell 1967-6-11 42573 Plumas Meadow at Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC159583  Drymocallis glandulosa var. glandulosa John Thomas Howell 1961-6-21 36628 Plumas Greenville - Sierra Nevada 1097 Comment
  JEPS48883  Drymocallis glandulosa var. reflexa Esther C. Fritz 1933-1 Plumas Schneider Meadow 1188 Comment
  CAS-BOT-BC159303  Drymocallis lactea var. lactea W. M. Hiesey 1941-11-8 449 Plumas Mineral, at Mineral Lodge 1524 Comment
  CHSC40873  Dysphania ambrosioides K. R. Stern 1985-6-25 8220 Plumas Vicinity of Blairsden, e margin of highway 70. 1402 Comment
  CHSC94669  Dysphania ambrosioides Lowell Ahart 2006-10-8 13411 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS122311  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CHSC112616  Elatine rubella Lowell Ahart 2013-9-11 19023 W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  JEPS102770  Eleocharis acicularis Lowell Ahart 2001-8-29 9230 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA170165  Eleocharis acicularis var. acicularis W. L. Jepson 1927-6-23 12312 Plumas Small pond towards lower end of Warner Creek valley 1585 Comment
  CAS-BOT-BC113505  Eleocharis bella Claire Etienne 1969-7-26 283 Plumas Off Middle Fork of Feather River, Hwy 89, near Graeagle, 1280 Comment
  CAS-BOT-BC113507  Eleocharis bella John Thomas Howell; Harvey Keith Wagnon 1980-5-27 53612 Plumas 1 mi W of Almanor 1386 Comment
  UC1100613  Eleocharis bella S. Galen Smith and Malcolm Nobs 1949-8-18 1357 b Plumas Lake Almanor, S end; ; ; Marsh Plant Survey Comment
  UC1100603  Eleocharis coloradoensis Malcolm A. Nobs, S. Galen Smith 1949-8-18 1357 a Plumas Lake Almanor, S end Comment
  CAS-BOT-BC113385  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 18 Plumas Near Prattville, Lake Almanor Comment
  CHSC81417  Eleocharis engelmannii Lowell Ahart 2001-9-18 9276 Plumas On the wet strand of the south end of the pond, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1104 Comment
  CAS-BOT-BC113387  Eleocharis engelmannii var. detonsa Lewis Samuel Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 mi W of Keddie, boggy meadows. 1066 Comment
  SEINET13710085  Eleocharis macrostachya Lowell William Ahart, Lowell William Ahart 2000-1 8382 Plumas 5 Air Mi. NE of Quincy, Butterfly Valley (T25N, R9E, sec 28, SW 1/4) 3300 Ft. 1006 Comment
  CHSC94979  Eleocharis obtusa Lowell Ahart 2006-10-23 13487 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  RSA184932  Eleocharis obtusa var. engelmannii L. S. Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  CAS-BOT-BC112079  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  SEINET3153457  Eleocharis torticulmis L. P. Janeway, B. Castro 2000-7-3 6876 Plumas Northern High Sierra Nevada; head of small drainage to East Branch North Fork Feather River from the southeast, vicinity of Paxton; about 1.1 km north of Butterfly Valley Botanical Area 1189 Comment
  RSA550619  Elodea nuttallii G. Sommers 1976-6-29 135 Plumas Sierra Valley Marsh, from channel crossed by metal bridge on Dyson Lane. 1524 Comment
  CAS-BOT-BC227601  Elymus elymoides Rimo Bacigalupi 1927-7-11 1720 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC227604  Elymus elymoides John Thomas Howell 1951-6-28 s.n. Plumas Eureka Lake 1889 Comment
  CHSC52757  Elymus elymoides subsp. californicus L. P. Janeway 1990-8-2 3822 Plumas Plumas National Forest. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. 2057 Comment
  CHSC88656  Elymus elymoides subsp. californicus Linnea Hanson 1983-8-26 214 Plumas Plumas National Forest. Brady's Camp. 2133 Comment
  CHSC53184  Elymus elymoides subsp. elymoides L. P. Janeway 1989-6-23 3390 Plumas Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east. 1874 Comment
  CHSC61622  Elymus elymoides subsp. elymoides Frank B. Cayot 1911-6-27 Plumas Plumas National Forest. Grizzly Valley. 1584 Comment
  UC1132969  Elymus elymoides subsp. elymoides C. W. Hanks 1934-8-8 21 Plumas ridge top n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CDA18576  Elymus glaucus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3304 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  UC943025  Elymus glaucus Lewis S. Rose 1951-6-28 51024 Plumas Johnsville 1600 Comment
  CAS-BOT-BC206509  Elymus glaucus subsp. glaucus John Thomas Howell 1977-6-20 52414 Plumas On the peninsula of Lake Almanor - Sierra Nevada 1371 Comment
  CAS-BOT-BC206513  Elymus glaucus subsp. glaucus John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1586 Plumas Fern Glen - Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC206523  Elymus glaucus subsp. glaucus W. Harnach; N. Harnach 1990-6-27 419 Plumas Ramelli Ranch (USFS), so of R/R 1508 Comment
  JEPS76221  Elymus glaucus subsp. glaucus W. L. Jepson 1939-7-31 19305 Plumas canyon bottom halfway between Meadow Valley and Bucks Valley 1676 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
  UC1024662  Elymus trachycaulus Leo Whitney 1934-8-6 2187 Plumas ca 9 mi nw Portola (nw end of valley); Plumas National Forest, Big Grizzly Valley, Freeman Creek 1828 Comment
  UCD62665  Elymus trachycaulus R. Tofsrud 1949-6-1 Plumas Vicinity of Quincy. Comment
  SEINET10554831  Elymus trachycaulus Frederick J. Hermann 1955-7-27 Hermann 11953 Plumas Gravelly roadside, 4 miles W. Portola. Comment
  CHSC97081  Elymus trachycaulus subsp. subsecundus Lowell Ahart; Josephine Guardino 2007-7-20 14314 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  CHSC97220  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
  CHSC101950  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2009-7-13 16040 Plumas On dry soil, on the east 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
  CHSC94944  Elytrigia intermedia subsp. intermedia Samantha Mackey Hillaire 2006-9-13 1231 Plumas Sierra Nevada. North of Grizzly Forebay, north side of road 24N49, west of PG and E's Grizzly Powerhouse. 1341 Comment
  UCD96754  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-30 s.n. Plumas Rich Gulch. 1173 Comment
  CAS-BOT-BC81884  Ephedra viridis Clare B. Hardham 1978-8-11 21783 Plumas about 5 miles southeast of Thompson Peak Comment
  RSA246597  Epilobium brachycarpum Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42352 Plumas Plumas National forest: Along Highway 70, 2 miles N of Quincy 1098 Comment
  SEINET12194588  Epilobium brevistylum L. Ahart, Ahart, P. 1985-1 5183 Plumas ca 4.5 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows in 1585 Comment
  CHSC43547  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 610 Plumas In a ravine near the road, about 1/2 mile north of Nelson Creek and near Zumwalt Flat, about 11 miles south-west of Sloat. 1676 Comment
  CHSC88633  Epilobium canum subsp. latifolium Linnea Hanson 1981-8-9 167 Plumas Plumas National Forest. 1828 Comment
  SD7364  Epilobium canum subsp. latifolium Mrs. R. M. Austin 1879-1 Plumas American Valley Comment
  UCD105466  Epilobium canum subsp. latifolium R. Carter 1966-7-10 475 Plumas 2 miles N of Bucks summit along W side of Oroville-Quincy Road. 1615 Comment
  CHSC112597  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-9-11 19031 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC20815  Epilobium ciliatum subsp. ciliatum K. R. Stern 1975-7-24 5829 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC81386  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-9-18 9285 Plumas Near the edge of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  SD130487  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-15 51859 Plumas Snake Lake, ca. 4.0 miles northwest of Quincy. 1219 Comment
  HSC96982  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-10-8 13396 Plumas W side of Chips Creek, just S of the bridge on Hwy. 70, about 1 1/4 mi. SW of Belden 715 Comment
  SJSU15150  Epilobium cleistogamum N. A. Hopkins 1993-7-23 1734 Plumas Marble Hot Springs Rd Comment
  CHSC43404  Epilobium densiflorum Lowell Ahart 1977-8-8 1539 Plumas In the middle of the road that leads to Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  JEPS107930  Epilobium densiflorum Lowell Ahart, Josephine Guardino 2005-8-9 12260 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  SEINET9720233  Epilobium densiflorum A. A. Heller, P. B. Kennedy 1907-7-16 8863 Plumas Genessee Valley near Genessee Comment
  UC965552  Epilobium densiflorum Herbert L. Mason 1952-7-17 14380 Plumas along Western Pacific tracks just s Beckwourth; Sierra Valley 1524 Comment
  RSA515526  Epilobium foliosum J. T. Howell, H. Keith Wagnon 1980-5-28 53698 Plumas Sierra Nevada: Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River. 854 Comment
  CHSC21653  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CHSC21671  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake. Comment
  JEPS106078  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2004-7-27 11316 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  POM46380A  Epilobium glaberrimum subsp. glaberrimum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC116378  Epilobium hornemannii subsp. hornemannii Sara M. Taylor; Scott Batiuk 2012-7-31 55 Plumas Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, NAD 83, 4428172 N, 659702 E. 1573 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
  UC1586464  Epilobium oregonense Vernon H. Oswald and Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd 5.2 (odometer) mi ne of Humbug summit (between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  UC1191746  Epilobium torreyi Malcolm A. Nobs, S. Galen Smith 1949-8-19 1463 a Plumas pond on se side Portola Comment
  CAS-BOT-BC57006  Equisetum arvense John Thomas Howell 1955-7-18 30728 Plumas Mohawk 1371 Comment
  CAS-BOT-BC57007  Equisetum arvense John Thomas Howell 1977-6-21 52385 Plumas Seneca 1097 Comment
  CHSC31267  Equisetum arvense F. T. Griggs; A. Pass 1975-7-17 228 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  CAS-BOT-BC56999  Equisetum arvense W. I. Follett 1961-7-14 s.n. Plumas Estray Creek, 1.5 mi. below Spring Garden Comment
  CAS-BOT-BC57009  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas Quincy quad., n edge of Spanish Creek, Gansner Park, Quincy 1036 Comment
  CAS-BOT-BC174150  Eremogone aculeata A. A. Heller; P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  JEPS26128  Eremogone aculeata C. G. Albertus 1935-8-13 266 Plumas Mount Ingalis, Downieville Quadrangle 2553 Comment
  UC1111609  Eriastrum signatum Lewis S. Rose 1955-7-19 55140 Plumas Beckworth 1493 Comment
  CHSC59686  Ericameria bloomeri L. P. Janeway 1992-8-10 4287 Plumas Plumas National Forest. Northeast side of Dotta Canyon ca 1 mi northwest of Dotta Neck. 1712 Comment
  CHSC20829  Ericameria nauseosa K. R. Stern 1975-7-24 5822 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC294294  Ericameria nauseosa var. speciosa Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CHSC64069  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4605 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1499 Comment
  JEPS118400  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  CAS-BOT-BC294398  Ericameria parryi var. latior Thomas H. Kearney 1944-8-14 147 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC293020  Ericameria parryi var. nevadensis Clare B. Hardham 1975-8-2 20479 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC293022  Ericameria parryi var. nevadensis John Thomas Howell 1951-8-20 28210 Plumas Between Taylorsville and Genesee 1097 Comment
  JEPS75281  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34967 Plumas near Beckwourth; Sierra Valley 1478 Comment
  UC584276  Erigeron bloomeri var. bloomeri G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2263 Plumas bare summit ridge and ridges sw of Diamond Mt. (s of Susanville) Comment
  JEPS100353  Erigeron chrysopsidis var. austiniae Dean W. Taylor 2001-6-28 17824 Plumas Diamond Mountains, Crystal Peak, along the ridgeline at the summit Sierra Nevada 2377 Comment
  CAS-BOT-BC294961  Erigeron compositus Clare B. Hardham 1970-8-9 17716 TT Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC297149  Erigeron concinnus var. concinnus Alice Eastwood 1927-6-27 14874 Plumas Near Chilcoot 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
  CAS-BOT-BC296017  Erigeron divergens Alice Eastwood 1927-6-18 14698 Plumas Greenville Comment
  SD112282  Erigeron divergens Darley F. Howe 1966-8-23 4296 Plumas 22 miles south of Quincy on Highway 89. 1310 Comment
  CAS-BOT-BC300405  Erigeron eatonii var. plantagineus Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SBBG100109  Erigeron eatonii var. plantagineus B. Ertter, G. Schoolcraft 1989-7-3 8676 Plumas W side of ridge between Diamond Mtn and Red Rock, ca. 8 air mi S of Susanville 2225 Comment
  CAS-BOT-BC300407  Erigeron eatonii var. plantagineus L. P. Janeway 1992-5-22 4199 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola 1485 Comment
  RSA523305  Erigeron eatonii var. plantagineus J. L. Strother 1987-6-28 1359 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  UC1538512  Erigeron eatonii var. plantagineus John L. Strother 1987-6-28 1359 Plumas ca 6 mi n Beckwourth (along road to Genes, n of Sierra Valley) 1750 Comment
  CAS-BOT-BC300468  Erigeron filifolius L. P. Janeway; Laurie Lamm 1992-7-21 4271 Plumas Plumas National Forest, Beckwourth Ranger District. About 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaissance Peak. Above end of Road 24N91Y 2103 Comment
  CHSC97279  Erigeron filifolius var. filifolius Lowell Ahart; John Dittes 2007-8-9 14433 Plumas In the poor road, east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC300839  Erigeron glacialis var. glacialis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-19 Plumas Above Silver Lake. Trail to Mt. Elwell, Lakes Basin 2072 Comment
  CDA14744  Erigeron inornatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3289 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CHSC105677  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  CHSC80804  Erigeron inornatus var. inornatus Lowell Ahart 2001-7-17 8924 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  RSA712641  Erigeron inornatus var. inornatus L. P. Janeway 2005-7-31 8507 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km SSW of Adams Peak 1875 Comment
  UC1609241  Erigeron inornatus var. inornatus Lowell Ahart 1993-9-24 7266 Plumas e side of Cleghorn Bar Road near Monitor Flat (about 3 mi nw of Pilot Peak) 1828 Comment
  RSA271925  Erigeron lassenianus Christopher Davidson 1975-6-7 2741 Plumas 3 miles W on road to Snake Lake, departing NW from Hwy. 89 ca. 2 miles N of Quincy. 1273 Comment
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  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
  JEPS89671  Erigeron lassenianus var. deficiens Glenn Clifton 1992-6-27 26859 Plumas Monitor Flat, Feather River Watershed Monitor Flat; , Feather River Watershed 1926 Comment
  CDA14001  Erigeron peregrinus var. callianthemus G. F. Hrusa, T. D. Wilfred 1997-6-26 13918 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC30930  Erigeron petrophilus var. sierrensis M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3346 A Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  CHSC61907  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4442 Plumas Plumas National Forest. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River). 1569 Comment
  CHSC63448  Erigeron petrophilus var. sierrensis Lowell Ahart 1994-7-28 7527 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CHSC74067  Erigeron petrophilus var. sierrensis B. Castro; L. Gehrung 1998-10-1 849 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just west of Pilot Peak and overlooking upper end of S Fork Feather River. On N side of river's crossing of USFS Rd 22N60, just NW of the Pacific Crest Trail. 1981 Comment
  CHSC99970  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  JEPS95464  Erigeron petrophilus var. sierrensis Lowell Ahart 1994-7-28 7527 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC300123  Erigeron pumilus var. intermedius Thomas H. Kearney 1944-8-14 154 Plumas Near Prattville, Lake Almanor Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  JEPS102804  Eriogonum baileyi var. baileyi Lowell Ahart 2001-8-29 9224 Plumas On the north side of Doyle Grade Road, about 1/4 mile west of Meadow View Station, about 6 (air) miles north of Frenchman Lake. 1828 Comment
  RSA626474  Eriogonum baileyi var. praebens J. T. Howell 1955-7-19 30806 Plumas Sagebrush Flat, Vinton 1512 Comment
  NY803687  Eriogonum douglasii var. meridionale J. L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service Roads 28N01 and 28N70 on flat west of highway, 11.9 airmiles NNW of Beckwourth. 1707 Comment
  UC584322  Eriogonum douglasii var. meridionale G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2238 Plumas n Engelmine; Red Rock Comment
  SEINET530776  Eriogonum elatum var. villosum Paul Opler 2007-6-28 Plumas 1 mi. E Clio. Comment
  CHSC118714  Eriogonum elatum var. villosum Wendy L. Boes 2015-6-24 2015024 Plumas Plumas National Forest. Location south of Moonlight Valley, east of Forest Service road 27N82, north of 29N46 UTM 684518 E, 4454025 N, NAD83 Zone 10N. 1700 Comment
  CAS-BOT-BC267328  Eriogonum luteolum var. pedunculatum Mary Strong Clemens 1920-8-30 s.n. Plumas Greenville Comment
  CDA18762  Eriogonum marifolium G. D. Barbe, T. C Fuller 1982-7-16 3755 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
  UC174722  Eriogonum marifolium A. A. Heller with P. B. Kennedy 1907-7-3 8707 Plumas hills above Red Clover Valley 1676 Comment
  UC1776760  Eriogonum marifolium G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13246 Plumas Bull Run Creek off USFS 23N12E. 2100 Comment
  CHSC33514  Eriogonum nudum var. deductum L. P. Janeway 1992-7-30 4297 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket 1828 Comment
  CHSC40250  Eriogonum nudum var. deductum K. R. Stern 1985-6-25 8257 Plumas Vic. Blairsden. 1371 Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  UC1032194  Eriogonum nudum var. deductum G. T. Nordstrom 1934-7-3 180 Plumas 1 3/4 mi s by se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC24261  Eriogonum nudum var. nudum K. R. Stern 1974-7-24 Plumas S end of Lake Almanor. Comment
  SEINET5330937  Eriogonum nudum var. oblongifolium A. A. Heller, P. B. Kennedy 1907-7-16 8867 Plumas Grade between Genessee Valley and Summit Comment
  CHSC39086  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-8-2 4177 Plumas Just n of Butte County line, ne of Humboldt Peak; in basin draining into Scotts John Creek. 2011 Comment
  JEPS87562  Eriogonum nudum var. pubiflorum Lowell Ahart 1994-10-19 7566 Plumas along dirt road near Boulder Creek; Granite Basin 1615 Comment
  CHSC34745  Eriogonum ovalifolium var. ovalifolium M. S. Taylor; M. Foster 1981-6-8 3873 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1.5 mi n of w end of Lake Davis. 1706 Comment
  NY773572  Eriogonum ovalifolium var. purpureum Collector unspecified 1880-1 s.n. Plumas Comment
  CAS-BOT-BC269947  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Side of Mt. Elwell, Lakes Basin Area 2225 Comment
  SEINET11933012  Eriogonum spergulinum var. reddingianum W. Knight, Knight, I. 1983-1 4904 Plumas meadow in yellow pine plant community 6 mi out of Chester on road to Drakesbad Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  SEINET5331655  Eriogonum strictum var. anserinum A. A. Heller, P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley. Comment
  CHSC53055  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-23 3381 Plumas Plumas National Forest Beckwourth Ranger District. Upper w-facing slope in ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  CAS-BOT-BC267497  Eriogonum umbellatum M. S. Taylor 1982-7-21 4892 Plumas Around s end of Bachs Creek Ridge, ca. 5 mi se of Quincy 1752 Comment
  CHSC115804  Eriogonum umbellatum var. ahartii Lowell Ahart; Jason Deurloo 2015-8-25 20529 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  JEPS124136  Eriogonum umbellatum var. ahartii Lowell Ahart, John Deurloo 2015-8-25 20529 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
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC60547  Eriogonum umbellatum var. modocense L. P. Janeway 1992-7-8 4249 Plumas 0.15 mi south of Beckwourth-Genesee road, 0.7 mi northwest of Clover Valley Ranch. Plumas National Forest Beckwourth Ranger District Crocker Compartment. 1676 Comment
  CHSC62482  Eriogonum umbellatum var. modocense B. Castro; J. Jurewicz 1991-8-12 446 Plumas Ca 3.5 air mi S of Bucks Lake and 0.1 mi SE of Grizzly Mtn (=Red Mtn), along USFS Rd 23N69, from its jcn with USFS Rd 23N18 to ca 0.5 mi W of that jcn. 1911 Comment
  UCSB63570  Eriogonum umbellatum var. modocense Jokerst, James 1985-7-23 Plumas above Hwy. 70 N of Indian Creek; due N of Indian Falls: T26N R9E SE1/4 SW1/4 Sect. 34 807 Comment
  CAS-BOT-BC262083  Eriogonum umbellatum var. nevadense Herbert L. Mason 1924-6-18 1051 Plumas Graeagle Comment
  RSA59341  Eriogonum umbellatum var. nevadense E. K. Balls 1950-9-11 15779 Plumas Lakes Center Public Campground, at west of stream. 2043 Comment
  RSA759517  Eriogonum umbellatum var. nevadense James L. Reveal 2007-6-5 8838 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  CHSC104741  Eriogonum umbellatum var. polyanthum L. P. Janeway; Melanie Williams 2009-7-28 9880 Plumas Northern High Sierra Nevada. Plumas National Forest; Frenchman Hill, about 60 m northeast of the dirt road to Red Mountain, 560 m south-southwest of the top of Frenchman Hill. 1750 Comment
  CHSC71650  Eriogonum umbellatum var. polyanthum Vernon H. Oswald; Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Hwy. west of Meadow Valley, 0.1 mi west of Silver Lake Rd. 1158 Comment
  CHSC97798  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-13 9174 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. West-facing slope of generally open weathered serpentine. 1786 Comment
  RSA197146  Eriogonum umbellatum var. polyanthum Noel Holmgren, James L. Reveal 1966-7-19 2905 Plumas California 89, north end of Spring Garden (town). Road bank at edge of oak-yellow pine forest. 1220 Comment
  CAS-BOT-BC262259  Eriogonum ursinum Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC262268  Eriogonum ursinum Rimo Bacigalupi 1927-7-7 1647 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  POM161733  Eriogonum ursinum R. C. Bacigalupi 1927-7-7 1647 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  SEINET5332054  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Little Grizzly Creek. Comment
  CHSC118364  Eriogonum ursinum var. erubescens Dean Wm. Taylor 2012-7-18 21271 Plumas Flora of the Cascade Ranges SPI forestry division - rare plant program. Western flank Dyer Mountain, along logging roads ca 1 mile E of eastern shore of Lake Almanor; 1508 Comment
  CHSC117455  Eriogonum ursinum var. ursinum Lowell Ahart 2016-6-29 21081 A Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC79801  Eriogonum ursinum var. ursinum G. F. Hrusa; T. D. Wilfred 1996-7-23 13399 Plumas Plumas National Forest. On NW side above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 bout 15 m. E of Quincy. 1650 Comment
  CAS-BOT-BC264116  Eriogonum vimineum Lewis S. Rose 1934-7-23 34424 Plumas Beckwith 1508 Comment
  CAS-BOT-BC264126  Eriogonum vimineum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2184 Plumas Mouth of Butterfly, Butterfly Botanical Area and vicinity 883 Comment
  JEPS56167  Eriogonum vimineum W. L. Jepson 1910-6-16 4151 Plumas Belden Comment
  UC586926  Eriogonum vimineum Joseph Andorfer Ewan 1934-7-6 8182 Plumas road to Guidichi Rch.; Penman Creek 1524 Comment
  CHSC58181  Eriophorum gracile Vernon H. Oswald 1992-6-18 5005 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC66648  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1996-7-15 8049 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. High Cascade Range. 1371 Comment
  CHSC21660  Eriophyllum lanatum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. 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
  CHSC33920  Eriophyllum lanatum var. integrifolium J. D. Jokerst; R. A. Schlising 1981-8-2 1453 Plumas Along Pacific Crest Trail ca 1.0 mi NE of Humboldt Peak, top of ridge. 2011 Comment
  CHSC67752  Eriophyllum lanatum var. integrifolium Lowell Ahart 1977-6-20 X 1434 Plumas Mountain side, one-half mile northeast of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  CHSC71632  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1998-8-11 9490 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak. 1920 Comment
  UC1118251  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-10 94 Plumas 4.75 mi wsw Summit; Sierraville Quadrangle 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
  CAS-BOT-BC494109  Eryngium alismifolium W. Harnach; N. Harnach 2000-8-23 998 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  SEINET10841502  Erysimum capitatum Mary Susan Taylor 1982-6-2 Taylor 4606 Plumas T23N R11E nw/ne sec 22. Johnsville quad. S side of Poplar Creek Rd (23N08), 0.1 mi e of bridge, ca. 1 mi s of Sloat. 4200 ft. 1280 Comment
  SBBG133117  Erysimum capitatum var. capitatum B. C. Templeton 1968-1 Plumas unknown Comment
  CHSC21028  Erythranthe breweri F. T. Griggs; A. Pass 1975-7-10 152 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC40263  Erythranthe breweri Lowell Ahart 1985-7-11 5136 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CHSC62787  Erythranthe guttata B. Castro; R. A. Schlising 1987-7-21 158 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  SEINET14291770  Erythranthe guttata W. Harnach, N. Harnach 1990-6-19 406 Plumas Sierra Valley, Sugarloaf Road. 1643 Comment
  SD77330  Erythranthe guttata F. W. Pennell, A. A. Heller 1940-6-5 25689 Plumas Wet granite soil below bluff, Route 24, along Feather River, below Belden 487 Comment
  CHSC21568  Erythranthe primuloides L. M. Mayer; D. E. Brink Jr. 1975-7-23 Plumas Bucks Lake Floristic Survey. Comment
  SEINET14374589  Erythranthe primuloides H. Hamlin s.n. Plumas Sierra Valley. Comment
  CAS-BOT-BC487624  Erythranthe suksdorfii Louis K. Mann; Pat Mann 1963-6-17 s.n. Plumas Along US Hwy 395, 1--2 mi N of its junction with US Alternate 40 (this location transcribed from collector's handwritten notes; may be erroneous and location actually in Nevada) Comment
  RSA30124  Erythronium purpurascens J. T. Howell 1951-6-28 27684 Plumas Eureka Peak 1982 Comment
  UCD13247  Erythronium purpurascens Dean Dubbe 1974-5-4 9- 4 Plumas Butterfly Valley, 2 mi W of Keddie, off of state hwy 89. 1112 Comment
  CAS-BOT-BC110552  Eschscholzia John Thomas Howell 1955-7-19 30752 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  UC1126407  Eschscholzia californica C. W. Hanks 1934-8-10 36 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (ne edge) Comment
  UC726211  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy 1097 Comment
  CAS-BOT-BC310381  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  CAS-BOT-BC310384  Eucephalus breweri L. P. Janeway 1990-8-29 3841 Plumas Plumas National Forest, Beckwourth Ranger District. E-facing flank near the top of Mt. Ingalls 2468 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
  JEPS118432  Eucephalus breweri Lowell Ahart 2011-9-20 17678 Plumas Forest floor along the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  SEINET10475033  Eupatorium occidentale Mary Susan Taylor 1981-7-21 Taylor 4097 Plumas T24N R11E ne/ne sec 17, Spring Garden quad. Argentine Lookout, ca. 0.5 mi SW of 26N2l-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 7200 ft elev. 2194 Comment
  CAS-BOT-BC310539  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  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
  CHSC66746  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8148 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johns-ville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  SD133930  Eurybia integrifolia Barbara Ertter 1988-7-25 7856 Plumas Diamond Mountains 15 miles south of Susanville, sheep camp on Pierce Creek. 1980 Comment
  UC86942  Eurybia radulina Mrs. R. M. Austin 1896-9-1 452 Plumas American Valley, Gray Hills American Valley Comment
  JEPS115944  Festuca idahoensis Lowell Ahart, John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC278849  Festuca occidentalis Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1588 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  CHSC75568  Festuca occidentalis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3108 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET6225255  Festuca reflexa L. S. Rose 1967-1 67115 Plumas Butterfly Valley, ca 3 mi W of Keddie. Comment
  CHSC102433  Festuca rubra L. P. Janeway; B. Castro 2009-7-12 9854 Plumas Northern High Sierra Nevada. Lower Thompson Valley 2.1 km north of Red Clover Creek. 1678 Comment
  RSA300180  Festuca rubra J. T. Howell, Gordon H. True 1969-6-23 45841 Plumas Quincy. 1037 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
  CHSC97429  Festuca subuliflora Robert Fischer 2006-7-2 1042 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  CAS-BOT-BC282568  Festuca viridula Catherine Best 1984-6-19 1015 Plumas Lakes Basin Campground Comment
  UCR160369  Floerkea proserpinacoides G. L. Webster 1992-5-17 7767 Plumas 2 mi SW of Grizzly Valley Dam 1738 Comment
  SEINET6697500  Fragaria vesca subsp. bracteata A. A. Heller, B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  SEINET10483093  Fragaria virginiana var. platypetala Mary Susan Taylor 1981-5-10 Taylor 3669 Plumas T27N R12E se sec 15, Antelope Lake quad. N side of Antelope Lake, ca. 1/4 mi E of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi NE of Taylorsville. 5040 ft. 1536 Comment
  CAS-BOT-BC55666  Frangula purshiana Lewis S. Rose 1963-6-3 63115 A Plumas Butterfly Valley, 2 mi. SW. of Keddie 1036 Comment
  CAS-BOT-BC55667  Frangula purshiana A. A. Heller; P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC55669  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  HSC100830  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-6-3 9024 Plumas South facing slope near the eastern end of Red Mountain, near Rd. 23N69, 0.7 mi. NW of the 18 Rd. 574 Comment
  JEPS114195  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-6-3 9024 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountains, near Road 23N69 0.7 mi northwest of the 18 Road. Comment
  SJSU4636  Frangula rubra C. W. Sharsmith 1969-6-21 7605 Plumas Jamison Cr c. 1.5 mi S of Johnsville 1645 Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC53794  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC59579  Frangula rubra subsp. rubra John Thomas Howell 1975-7-21 51340 Plumas Sierra Nevada - Injun Jim Campground, Feather River Canyon 609 Comment
  CAS-BOT-BC59580  Frangula rubra subsp. rubra John Thomas Howell 1975-6-16 51134 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  CDA18747  Fritillaria atropurpurea G. D. Barbe, T. C Fuller 1982-7-16 3771 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
  CHSC96743  Fritillaria atropurpurea L. P. Janeway 2007-5-20 8991 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather rivers to the north); at junction of Roads 25N17, 25N57, 25N59. 1573 Comment
  CAS-BOT-BC508206  Fritillaria atropurpurea Alice Eastwood 1927-6-1 14519 Plumas US Forest reserve, Forest Lodge, Greenville Comment
  SEINET8478972  Fritillaria pudica C. Tanner 1999-3-29 s.n. Plumas S-facing granitic slope within city limits of Portola (area bounded by Plumas/Quincy sts on N and S, Willow and Rock on E and W). 1484 Comment
  CHSC23315  Fritillaria recurva Gary Wallace; L. DeBuhr 1972-5-21 1059 Plumas Ca. 1.5 mi east of junction of Hwys. 89 and 70 north of Graeagle. Comment
  CHSC59838  Fritillaria recurva Jennifer Grant 1984-4-19 11 Plumas Ca. 40 mi ne of Oroville and 100 yds e of N. Fk. Feather River, at Tobin Resort. 609 Comment
  CAS-BOT-BC504451  Fritillaria recurva Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SEINET8480187  Fritillaria recurva E. K. Balls 1950-8-30 15504 Plumas Trail to Bucks Creek from Tobin's Resort, North Fork Feather River. 610 Comment
  CAS-BOT-BC293718  Galium Mona Bourell; Bob Patterson 1982-5-15 1732 Plumas Beckworth [Beckwourth] Pass 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
  CDA14737  Galium bifolium G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3270 Plumas below Mount Hough summit 1.3 miles on road to junction with China Grade. 2042 Comment
  JEPS6711  Galium bolanderi W. L. Jepson 1939-8-6 19341 Plumas Spring Hill Meadow Valley 1219 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
  JEPS6710  Galium bolanderi W. L. Jepson 1939-7-31 19290 Plumas w Meadow Valley 1524 Comment
  UCSB17347  Galium grayanum Hardham, Clare 1961-6-16 Plumas Diamond Peak, Sierra Nevada Mountains 2255 Comment
  CHSC20846  Galium trifidum var. pacificum K. Stern 1975-7-23 5801 Plumas W shore of Lake Almanor. 1371 Comment
  JEPS29544  Galium trifidum var. pacificum John Thomas Howell 1960-7-18 35519 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  CHSC108718  Galium trifidum var. pusillum B. Castro; L. P. Janeway 2003-9-7 1456 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. Along channel of creek running length of valley through a pair of ponds, at NW edge of smaller upper pond. 2033 Comment
  CHSC35272  Galium triflorum M. S. Taylor 1981-8-5 4163 Plumas At end of Rd 28N03-Fruit Growers Blvd, ca. 3 air mi W of Antelope Lake, ca. 13 air mi NE of Taylorville. 1706 Comment
  CHSC116376  Galium triflorum Sara M. Taylor; Scott Batiuk 2012-7-31 57 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd. to Smith Lake (via Snake Lake). Take left (west) onto 23N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  RSA101428  Galium triflorum R. Weatherby 1955-8-6 1677 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  CAS-BOT-BC144396  Garrya fremontii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1402 Plumas Butterfly Botanical Area and vicinity. Pond reservoir 1097 Comment
  CAS-BOT-BC169853  Garrya fremontii Mrs. Jos. Clemens 1919-10-20 s.n. Plumas Greenville Comment
  RSA609423  Garrya fremontii Louis C. Wheeler 1958-7-30 7356 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UCD121134  Garrya fremontii John Thomas Howell 1961-9-23 36891 Plumas Englemine. 1097 Comment
  SEINET10906888  Garrya fremontii Mary Susan Taylor 1982-5-15 Taylor 4453 Plumas T21N R12E ne/sw sec 32. Sierra City NW quad. Along Gray Eagle Lodge Rd, just sw of its jct with Hwy 519, ca. 7 mi s of Mohawk. 5700 ft. 1737 Comment
  CAS-BOT-BC478529  Gayophytum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54405 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CHSC103131  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16114 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
  CHSC110613  Gayophytum diffusum subsp. parviflorum B. Castro; G. Kuenster 2006-8-4 1587 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
  CHSC99805  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2008-8-14 15197 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  JEPS114515  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2008-8-14 15197 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS27553  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1939-8-4 19336 Plumas Rock Creek Meadow Valley 1219 Comment
  SBBG122857  Gayophytum diffusum subsp. parviflorum B. Ertter 1988-7-25 7848 Plumas Snoring Springs, 0.5 mi N of Diamond Mt-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  RSA144783  Gayophytum diffusum subsp. parviflorum J. W. MacSwain 1959-8-13 59 -154 Plumas 3.5 miles east of Bucks Lake Lodge Comment
  CHSC20988  Gayophytum heterozygum F. T. Griggs; A. Pass 1975-7-11 165 Plumas Buck's Lake. Comment
  JEPS107701  Gayophytum heterozygum Lowell Ahart, John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2049 Comment
  UC1122573  Gayophytum heterozygum C. G. Albertus 1935-8-2 242 Plumas 3 1/2 mi se Nelson Point; Plumas National Forest, Downieville Quadrangle Comment
  SEINET12193546  Gayophytum nuttallii I. Knight, Knight, W. 1983-1 4901 Plumas near North Fork of Feather River at confluence of Warner Creek on rd b/w Drakesbad and Chester Comment
  SBBG121285  Gayophytum racemosum L. Ahart, J. Dittes 2007-6-16 14088 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
  SEINET7717338  Gentiana amarella Unknown Plumas Big meadows Comment
  CDA13985  Gentiana calycosa G. F. Hrusa 1996-8-2 13428 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Comment
  SEINET10454844  Gentiana calycosa Mary Susan Taylor 1982-8-23 Taylor 5043 Plumas T25N R8E sw/nw sec 29. Almanor NE quad. Both sides of Virgilia-Meadow Valley Rd (25N17), along creek just w of head- waters of York Creek, ca. 1.4 air mi sw of Virgilia. 5000 ft. 1524 Comment
  SEINET10454846  Gentiana calycosa Mary Susan Taylor 1982-8-4 Taylor 4920 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
  UC405457  Gentiana newberryi R. M. Austin Aug 1896 896 Plumas Big Meadows Comment
  SEINET10454825  Gentiana newberryi Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5088 Plumas T25N R9E ne/se sec 20. Greenville SW quad. Butterfly Valley Botanical Area, in bog just s of switchback, ca. 1 air mi w of Keddie. 3900 ft. 1189 Comment
  UC1191686  Gentianopsis holopetala Malcolm A. Nobs and S. Galen Smith 1949-8-19 1433 Plumas at Butterfly Valley Butterfly Valley Comment
  CDA38626  Geum macrophyllum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3119 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. Sheet 2 of 2 1371 Comment
  RSA641459  Geum triflorum Michael A. Vincent 1999-6-8 8562 Plumas Along FS 28N03H about 0.25-0.5 miles south of FS Route 3. Comment
  RSA148689  Gilia capitata Clare B. Hardham 1961-6-15 7398 Plumas Between Taylorsville and Indian Falls Comment
  SEINET10496739  Gilia capitata Mary Susan Taylor 1982-5-13 Taylor 4437 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  SEINET14642557  Gilia capitata subsp. mediomontana A. A. Heller, P. B. Kennedy 1907-7-12 8822 Plumas Near Greenville. Comment
  UCD117716  Gilia capitata subsp. mediomontana Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. 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
  JEPS113652  Gilia leptalea subsp. bicolor Lowell Ahart, Josephine Guardino 2007-7-21 14381 Plumas Bottom 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
  CAS-BOT-BC283878  Glyceria borealis John Thomas Howell 1973-7-9 49725 Plumas At outlet of Round Valley Reservoir 1371 Comment
  RSA716588  Glyceria borealis L. Ahart 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  CDA17259  Gnaphalium palustre G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16286 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  RSA718530  Gnaphalium palustre L. Ahart 2006-10-23 13475 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CHSC94634  Gratiola neglecta Lowell Ahart 2006-10-8 13422 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
  CAS-BOT-BC304927  Grindelia hirsutula M. S. Taylor 1981-8-5 4170 Plumas Indian Valley, s side of Hwy 206, 1.5 mi e of its jct with Hwy 89 just n of Crescent Mills 1066 Comment
  CHSC75469  Hackelia amethystina G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3251 Plumas 2.5 miles southeast of Mt. Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC101873  Hackelia californica Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15906 Plumas About 100 yards west of Lake Almanor Dam. 1421 Comment
  RSA101462  Hackelia micrantha R. Weatherby 1955-7-2 1576 Plumas Creek below Bear Ridge, near Taylor Lake. 2073 Comment
  CHSC72305  Hackelia nervosa L. P. Janeway; Glenn Clifton 1998-7-8 5719 Plumas About 1.5 mi south-southwest of Indicator Peak; along Road 28N08 3.7 mi southwest of Road 29N03. 1981 Comment
  CHSC73935  Hackelia nervosa B. Castro 1998-10-7 857 Plumas Ca 4 air mi NE of Little Grass Valley Reservoir, on gentle NW-facing slope between S. Fork Feather River and Co. Rd 511. Ca 0.3 mi NNW of jcn of Co. road and USFS Rd 22N21. In bottom of drainage channel. 1816 Comment
  RSA496347  Hackelia nervosa Elaine Joyal, D. Mehlman 1988-7-3 1306 Plumas Plumas National Forest, Mt. Hough, 11 mi. n of Quincy. 2000 Comment
  SEINET11841727  Haplopappus bloomeri W. Knight, Knight, I. 1983-1 4912 Plumas 2 mi out of Chester on road to Drakesbad Comment
  CAS-BOT-BC123567  Haplopappus racemosus subsp. lucidus David Daniels Keck 1938-8-9 4897 Plumas 1 mile W of Portola 1480 Comment
  JEPS26737  Hastingsia alba P. C. Hutchison 1961-6-9 2123 Plumas 1.8 mi above Rich Bar ((as measured from junction of side road to Rich Bar), [Probably Kellogg Creek], along road [US Alternate 40], Feather River Canyon); Feather River Canyon 762 Comment
  UC1093642  Hastingsia alba Herbert L. Mason 1957-7-7 14748 Plumas in lateral stream above Feather River Canyon (along Alternate Route #40, 2 mi e of Rich Bar); above Feather River Canyon Comment
  UCD138413  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-11 8821 Plumas grade between Greenville and Prattville. Comment
  CAS-BOT-BC307518  Hazardia whitneyi var. whitneyi John Thomas Howell 1926-7-27 2147 Plumas Near Prattville 1676 Comment
  CHSC95049  Hazardia whitneyi var. whitneyi L. P. Janeway 2006-9-20 8885 Plumas Northern High Sierra Nevada. Along dirt road 0.3 km southeast of American House and Challenge-La Porte Road. Mostly along compacted edges of dirt road and a little into adjacent forest. 1420 Comment
  CHSC99988  Hazardia whitneyi var. whitneyi L. P. Janeway; Heather Koeth 2008-9-9 9589 Plumas Northern High Sierra Nevada. 1.5 km northeast of the northern end of The Hogback; 1.1 km south-southwest of the confluence of Nelson Creek at Middle Fork Feather River; along Road 23N95Y, 180 km southwest of Quincy-La Porte Road (at its hairpin turn at Turn Table). 1490 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC306692  Helenium bigelovii Anna Head 1921-8-3 s.n. Plumas Near Gold Lake Camp, Feather River Region Comment
  JEPS112823  Helenium bigelovii Dean W. Taylor 1974-10-1 5055 Plumas Comment
  CAS-BOT-BC305311  Helianthella Clare B. Hardham 1978-8-12 21816 Plumas West of Bagley Pass 2072 Comment
  CHSC21815  Helianthella californica F. T. Griggs; A. Pass 1975-7-16 201 Plumas Bucks Lake Forest Service Survey. Comment
  SEINET11196752 Image available Helianthella californica P. A. Lehembauer 1937-5-30 s.n. Plumas Near Feather Inn, along Feather River. Comment
  CAS-BOT-BC314724  Helianthella californica var. californica Thos. Harris 1969-6-1 s.n. Plumas West side of Lake Almanor 1402 Comment
  CHSC43616  Helianthus bolanderi Vernon Oswald 1984-8-14 1648 Plumas Hwy 89, 0.1 mi e of Humbug-Humboldt Rd. 1371 Comment
  CHSC46672  Helianthus bolanderi Vernon H. Oswald 1988-8-5 3628 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CAS-BOT-BC305545  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  CHSC57423  Hesperis matronalis L. P. Janeway; Garrett Gibson 1991-7-1 4066 Plumas Plumas National Forest. Edge of drainage along northeast side of Lake Davis, ca 1/2 mi east of Lightning Tree Campground and ca 3 1/2 mi north-northwest of the Grizzly Valley Dam. Along edge of creek. 1783 Comment
  CHSC55711  Hesperochiron pumilus Steven Triano 1988-4-17 73 Plumas Ca 40 ft s of Hwy. 89 and 0.7 mi w of Almanor. 1386 Comment
  SD6698  Hesperochiron pumilus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  CAS-BOT-BC311071  Heterotheca oregona var. rudis Lemmon 1878-5-1 s.n. Plumas Unspecified Comment
  CDA17238  Heterotheca villosa G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16341 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
  CHSC105180  Heterotheca villosa var. minor B. Castro; L. P. Janeway 1997-9-14 784 Plumas Springy S-facing slope above Jamison Creek, above Rd 507 ca 0.9 mi E of the Plumas-Eureka State Park boundary. 1828 Comment
  JEPS2434  Heterotheca villosa var. minor W. L. Jepson 1918-8-16 8022 Plumas Genesee Valley 1097 Comment
  UC54114  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock Jul 1903 4435 Plumas Indian Valley; Sierra Nevada Mountains 1097 Comment
  RSA0066213  Heuchera micrantha var. erubescens L. S. Rose 1969-6-23 69045 Plumas 10 mi SW of Quincy; La Porte Road. 1250 Comment
  CHSC36937  Heuchera rubescens var. glandulosa M. S. Taylor 1982-8-5 4933 Plumas Mt Hough summit on cliff above Crystal Lake, ca 7 mi nne of Quincy. 2203 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
  CAS-BOT-BC316036  Hieracium scouleri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54211 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 1584 Comment
  CAS-BOT-BC55406  Hirschfeldia incana John Thomas Howell 1951-8-19 28189 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC55407  Hirschfeldia incana John Thomas Howell 1959-9-21 34781 Plumas Sierra Nevada. North Fork Feather River near Belden. 701 Comment
  CAS-BOT-BC289228  Holcus lanatus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1685 Plumas Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET10507460  Holcus lanatus Mary Susan Taylor 1982-8-12 Taylor 4980 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  SEINET3156770  Holodiscus boursieri E. K. Balls 1950-9-1 15583 Plumas Long Lake, above E shore toward Mt. Elwell 2103 Comment
  CHSC64132  Holodiscus microphyllus var. glabrescens B. Castro; L. Hanson 1988-7-15 271 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  CAS-BOT-BC152720  Holodiscus microphyllus var. microphyllus Robert J. Weatherby 1950-8-11 1516 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  CAS-BOT-BC152722  Holodiscus microphyllus var. microphyllus Anna Head 1920-7-1 s.n. Plumas Summit of peak, above Round Lake, among rocks - Feather River Region Comment
  CHSC43457  Holodiscus microphyllus var. microphyllus Lowell Ahart 1975-7-20 921 Plumas On the ridge east of Mount Etna, about 12 miles north-east of La Porte. 2133 Comment
  CDA13421  Hordeum brachyantherum subsp. brachyantherum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13269 Plumas Sierra Nevada; Occasional in open, moist to dryish sites adjacent to Bull Run Creek off USFS 23N12E. Perennial, bunching. Forest here dominated by Pinus jeffreyi, Abies concolor, Calocedrus. Riparian scrub with Alnus incana ssp. tenuifolia. Comment
  SEINET10610426  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1995-9-13 Ahart 7622 Plumas T22N, R10E, south-east 1/4 Section 5. On dry gravelly soil, on the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Common. Mountain meadow in Red Fir Forest. 1829 Comment
  CAS-BOT-BC289439  Hordeum murinum subsp. leporinum John Thomas Howell 1975-7-22 51342 Plumas Quincy, Sierra Nevada 1036 Comment
  CHSC59810  Horkelia fusca subsp. parviflora L. P. Janeway 1992-8-30 4293 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1905 Comment
  CHSC48851  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-12 1573 Plumas S side of Lotts Lake. 1975 Comment
  RSA34829  Horkelia fusca subsp. tenella Roxana S. Ferris, Laura Lorraine 1941-8-9 10423 Plumas At Lake Almanor Public Camp (near village) Comment
  UC185647  Horkelia fusca subsp. tenella Mrs. R. M. Austin Aug 1896 388 Plumas Warner Valley Comment
  CAS-BOT-BC537869  Horkelia fusca var. parviflora W. B. Duncan 1927-8-1 s. n. Plumas Vicinity of Silver Lake Comment
  CAS-BOT-BC537903  Horkelia fusca var. parviflora L. P. Janeway; Melinda Carlson 1991-6-18 4045 Plumas Plumas Nat'l Forest: Beckwourth Ranger District: N. side Middle Fork Feather River, S side Hwy 70, at Dellereker, ca. 0.3 mi west of Portola 1472 Comment
  CAS-BOT-BC538229  Horkelia tridentata var. flavescens W. W. Wagner 1919-5-18 252 Plumas Sockem Creek 1371 Comment
  CAS-BOT-BC201088  Hosackia crassifolia Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CHSC95210  Hosackia crassifolia var. crassifolia R. D. Fischer 2005-7-4 812 Plumas Butt Valley Reservoir. Sierra Nevada high, along the north side road of Butt Valley Reservoir, near eastern end of lake. 1341 Comment
  CHSC113588  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 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
  RSA39748  Hydrophyllum capitatum var. alpinum P. A. Munz 1947-5-17 11843 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  UC335436  Hydrophyllum occidentale unknown 1889-1 Plumas Mohawk Valley Comment
  CAS-BOT-BC400948  Hypericum anagalloides Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1620 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen 1097 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
  CHSC117632  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS805  Ipomopsis aggregata W. I. Follett 1937-7-27 98 Plumas Keddie Comment
  UCD130302  Ipomopsis aggregata subsp. aggregata Albert Grigarick 2011-8-15 299 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .7 miles W from Graeagle Trailhead to Hawley Falls. 1776 Comment
  CHSC44316  Ipomopsis aggregata subsp. formosissima Lowell Ahart 1974-7-30 565 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  UC879925  Ipomopsis congesta Anna Head 1921-7-20 Plumas above Round Lake (top of ridge); Feather River Region Comment
  HSC101676  Iris hartwegii Dillon North Davis 2013-6-6 41 Plumas 9.7 miles south on FS Road 25N17 from intersection with Highway 70. 1576 Comment
  CAS-BOT-BC123367  Iris hartwegii subsp. pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge, near Greenville Comment
  UCD138759  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch. 1249 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-BC324814  Iva axillaris Mary Strong Clemens 1920-9-2 s.n. Plumas Beckwourth Comment
  CHSC36870  Iva axillaris M. S. Taylor 1982-9-13 5136 Plumas Ramelli Ranch, in vicinity of Calpine Rd (109) bridge, s of Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  JEPS44336  Ivesia sericoleuca W. L. Jepson 1918-8-17 8034 Plumas Sierra Valley 1524 Comment
  SEINET10483372  Ivesia sericoleuca Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3853 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  SEINET6336306  Juncus balticus M. Foster 1988-9-8 s.n. Plumas Adjacent to Cow Creek in U.S.F.S. range allotment, 1/4 miles W of Lake Davis, 9 mi NNW of Portola 1762 Comment
  UC1100934  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  UCD141359  Juncus bufonius L. Ahart 1981-9-6 3106 Plumas Indian Creek, about 1/2 mile southwest of the intersection of Highway 89 and Arlington Road, about 1.5 miles southwest of Crescent Mills. 1097 Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  JEPS107941  Juncus confusus Lowell Ahart, Josephine Guardino 2005-8-9 12296 Plumas On the east side of Fant Creek, along the dirt road, about 50 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
  UC924280  Juncus effusus subsp. pacificus H. S. Reed 1941-8-3 Plumas Forest Lodge 1036 Comment
  CDA13754  Juncus ensifolius G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13486 Plumas Sierra Nevada; E of upper Bull Run Creek off USFS 23N12E. Comment
  CHSC47549  Juncus ensifolius Lowell Ahart 1975-7-16 882 Plumas Along the edge of a small stream, 1 mile north of Little Grass valley Reservoir. 1828 Comment
  JEPS114802  Juncus ensifolius Lowell Ahart 2008-8-13 15160 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
  JEPS115919  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
  POM111085  Juncus ensifolius Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  RSA490376  Juncus ensifolius Lyman Benson 1932-7-29 4005 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  UCD33602  Juncus ensifolius Beecher Crampton 1970-6-25 8635 Plumas Quincy. 1043 Comment
  CHSC102085  Juncus exiguus Lowell Ahart; John Dittes 2009-7-13 16035 Plumas On dry to damp soil, edge of a seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC110110  Juncus hemiendytus var. abjectus Barbara Ertter; Jeffrey L. Strachan 1980-7-31 3891 Plumas East side Clover Valley on Beckwourth-Milford Road, Plumas National Forest. 1676 Comment
  CHSC65388  Juncus hemiendytus var. hemiendytus Lowell Ahart 1995-9-13 7625 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CHSC80301  Juncus hemiendytus var. hemiendytus L. P. Janeway 1996-6-5 5005 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.9 mi west of the road to Calpine. 1487 Comment
  JEPS113844  Juncus laccatus Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  UC1100997  Juncus laccatus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1439 Plumas Butterfly Valley Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  UC1133600  Juncus mexicanus E. Sawyer 1935-6-11 96 Plumas 5.25 mi w Summit; Sierraville Quad. 1493 Comment
  CDA43015  Juncus nevadensis L. Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  JEPS115920  Juncus nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16208 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CHSC100325  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 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
  JEPS114894  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
  JEPS114896  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15387 Plumas A little north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  JEPS120162  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-5 18440 Plumas On the east side of the South Fork of the Feather River, about 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  SD192839  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, nmorth of East Branch Creek, ca. 1.75 miles south of Little Grass Valley Reservoir, ca. 1.0 mile northeast of La Porte. 1613 Comment
  CHSC102704  Juncus occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16157 Plumas In the center of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC113140  Juncus occidentalis Lowell Ahart 2013-8-23 19020 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  CHSC21723  Juncus parryi F. T. Griggs; A. Pass 1975-7-23 251 Plumas Cape Lake. Comment
  RSA26617  Juncus parryi J. T. Howell 1951-6-27 27629 Plumas Jamison Creek 1829 Comment
  CDA13854  Juncus saximontanus G. F. Hrusa, T. D. Wilfred 1996-8-2 13459 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  SEINET10938192  Juncus sphaerocarpus Mary Susan Taylor 1982-7-8 Taylor 4794 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
  CHSC102671  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -A Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC83638  Juniperus occidentalis var. australis John Dittes 2002-8-8 2 -40 Plumas Northern High Sierra Nevada; Plumas National Forest, Table Mountain, ca. 1.5 air-miles south of Middle Fork Feather River, ca. 1.4 air-miles southwest of Dogwood Peak. 1853 Comment
  CAS-BOT-BC246166  Keckiella lemmonii John Thomas Howell 1976-7-16 51915 Plumas Just east of Bucks Summit on road to Meadow Valley, Sierra Nevada 1645 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
  CAS-BOT-BC340349  Kyhosia bolanderi Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  CHSC102657  Kyhosia bolanderi Lowell Ahart; John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC107913  Kyhosia bolanderi L. P. Janeway; B. Castro 2011-9-11 10719 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
  JEPS88488  Lactuca canadensis Vernon H. Oswald and Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., at wet meadowy drainage, sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor); Dyer Mtn. 1463 Comment
  CHSC113627  Lactuca serriola Lowell Ahart 2014-8-31 19825 Plumas Strand, south of an unamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC34931  Lactuca serriola M. S. Taylor 1981-7-29 4144 Plumas On e side of 24N42-Flournoy Grade, 1.9 mi s of Flournoy Bridge, ca. 3 air mi e of Genesee. 1463 Comment
  CHSC66900  Lactuca serriola Lowell Ahart 1996-10-10 7706 Plumas On the west side of the dirt road, at Turkey Town, about one mile west of Blue Nose Mountain, about 2 miles east of Pilot Peak. 1676 Comment
  CAS-BOT-BC340596  Lactuca serriola G. Sommers 1976-8-12 227 Plumas Sierra Valley. Along Marble Lane 1487 Comment
  CAS-BOT-BC341568  Lagophylla ramosissima John Thomas Howell 1962-6-17 37677 Plumas Butterfly Valley 1036 Comment
  JEPS104631  Lagophylla ramosissima Lowell Ahart 2003-8-8 10480 Plumas On the w side of Beckwourth Calpine Rd, ca 50 yd n of the Western Pacific Railroad, ca 1/2 mi (air) sw of Beckwourth, Sierra Valley. 1478 Comment
  CAS-BOT-BC341578  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  SBBG119867  Lagophylla ramosissima L. Ahart, J. Dittes 2003-8-8 10480 Plumas W side of Beckwourth Calpine Rd, ca. 50 yds N of Western Pacific Railroad, ca. 0.5 air mi SW of Beckwourth; Sierra Valley; T23N R14E S26 SW/4 1478 Comment
  CHSC53198  Lathyrus brownii L. P. Janeway 1989-6-29 3421 Plumas Plumas National Forest. Just above rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CHSC87633  Lathyrus lanszwertii var. aridus Lowell Ahart; Josephine Guardino 2004-5-24 10943 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
  SEINET10940069  Lathyrus nevadensis Mary Susan Taylor 1982-6-16 Taylor 4679 Plumas T24N R10E nw/sw sec 33. Spring Garden quad. Mixed Evergreen Forest; on rdcut, n side of 24N26, 0.5 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4500 ft. 1372 Comment
  CAS-BOT-BC205073  Lathyrus sulphureus John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  CHSC52519  Lathyrus sulphureus L. P. Janeway 1990-6-6 3702 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1356 Comment
  CHSC55694  Lathyrus sulphureus Steven Triano 1988-4-17 55 Plumas Along n side of Hwy. 89, ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  UC1583958  Lathyrus sulphureus G. Schoolcraft 1990-5-9 2021 Plumas about 1 mi w Crescent Mills 1493 Comment
  CAS-BOT-BC205063  Lathyrus sulphureus Charles Piper Smith 1914-7-2 2908 Plumas Marston - W.P.R.R. Comment
  SEINET10452344  Lathyrus sulphureus Mary Susan Taylor 1982-6-2 Taylor 4599 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
  CAS-BOT-BC274337  Leersia oryzoides John Thomas Howell 1959-9-21 34762 Plumas Bars of N. Fork Feather River near Belden 701 Comment
  CHSC103126  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16118 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
  CHSC33813  Lemna minuta M. S. Taylor; M. Foster 1981-6-2 3831 Plumas In swamp, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  CAS-BOT-BC88839  Lepidium campestre John Thomas Howell 1976-7-16 51901 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC40851  Lepidium campestre K. R. Stern 1985-6-25 8268 Plumas Meadow, vicinity of Blairsden. 1371 Comment
  SEINET11279722  Lepidium perfoliatum W. Harnach, N. Harnach 1990-4-18 259 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CAS-BOT-BC60091  Lepidium virginicum var. menziesii John Thomas Howell 1955-7-19 30788 Plumas Sierra Nevada. Vinton. 1505 Comment
  CHSC76061  Leptosiphon ciliatus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3252 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC89319  Leptosiphon ciliatus G. D. Barbe; T. C. Fuller 1982-6-17 3802 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
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  SD7687  Leptosiphon nuttallii subsp. nuttallii Mrs. R. M. Austin 1881-1 Plumas Mt. Dyer Comment
  SD7480  Leptosiphon pygmaeus subsp. continentalis Mrs. R. M. Austin 1883-1 Plumas Big Meeadows Comment
  UCD134089  Lessingia nemaclada M. S. Taylor 1980-9-27 3346 Plumas south side of Bucks Lake-Spanish Ranch Road, ca. 1/4 mile east of Frenchman Hill, ca. 20 miles southwest of Quincy. 1645 Comment
  CHSC55661  Leucanthemum vulgare K. R. Stern 1985-6-25 8235 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC59610  Leucothoe davisiae Rimo Bacigalupi 1927-7-7 1652 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  CAS-BOT-BC59618  Leucothoe davisiae Anna Head 1921-8-8 s.n. Plumas Near Bear Lake, Feather River Region. Comment
  CHSC21089  Leucothoe davisiae F. T. Griggs; A. Pass 1975-7-2 58 Plumas Bucks Lake. Comment
  SD46618  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Along springy area, Mt. Elwell, Lakes Basin area. 2225 Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CAS-BOT-BC229484  Lewisia kelloggii Margaret Williams; Emily McPherson 1974-8-5 74 -P-14 Plumas West shoulder of Mt. Elwell. Trail to Mt. Elwell, Lakes Basin 2194 Comment
  CAS-BOT-BC444175  Lewisia nevadensis Anna Head 1920-6-15 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC444177  Lewisia nevadensis John Thomas Howell 1960-7-22 35921 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444167  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas Two miles east of the Plumas County line on State Highway #36 Comment
  UC725362  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas 2 mi e on State Highway 36 Plumas county line Comment
  CHSC107273  Lewisia triphylla L. P. Janeway 2011-7-6 10496 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. 1721 Comment
  CHSC21183  Lewisia triphylla F. T. Griggs; A. Pass 1975-7-16 195 Plumas N shore of Lower Buck's Lake. Comment
  JEPS127658  Lewisia triphylla Jurriaan M. de Vos 2014-6-4 289 Plumas Plumas NF. Near intersection of Primary Forest Route 94 (22N94) and 22N27/22N86Y, ca. 2.5 mi. N along route 94 from the Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC283805  Leymus cinereus John Thomas Howell 1955-7-19 30796 Plumas Vinton 1505 Comment
  CAS-BOT-BC283807  Leymus cinereus John Thomas Howell 1955-7-19 30758 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC509319  Lilium kelleyanum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54144 Plumas 2.65 miles west of Round Valley Reservoir dam 1569 Comment
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  POM86186  Limnanthes alba Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  JEPS85859  Limosella acaulis Barbara Ertter 1988-10-21 8002 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor 1341 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
  UC971789  Linanthus harknessii Milo S. Baker 1935-6-26 8091 Plumas near cabin at Childs Meadow (Highway 39); Childs Meadow Comment
  CHSC81159  Lindernia dubia var. anagallidea Lowell Ahart 2001-8-28 9200 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
  UC917268  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas in vicinity of Cascade Comment
  CHSC117658  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas On the east side of Quartz Creek, about one mile northeast of Quartz Hill, about 7 miles (air) northeast if Feather Falls. 1070 Comment
  JEPS116105  Listera convallarioides Lowell Ahart, John Dittes 2009-7-28 16196 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
  CHSC70796  Lithocarpus densiflorus var. echinoides B. Castro; L. Gehrung 1995-7-14 586 Plumas Ca 8 air mi SW of Bucks Lake, ca. 0.3 mi W of Kellogg Ravine, near W edge of USFS Rd 22N29. 1493 Comment
  CAS-BOT-BC110588  Lithophragma Clare B. Hardham 1978-4-19 21590 Plumas Beckworth Pass. Comment
  SEINET10482997  Lithophragma Mary Susan Taylor 1982-5-17 Taylor 4460 Plumas T22N R14E se/se sec 6. Portola quad. Wet grassy meadow along creek, jct of rds 22N54 & 22N88, ca. 2 mi se of Portola. 5700 ft. 1737 Comment
  CAS-BOT-BC435465  Lithophragma glabrum W. W. Wagner 1919-5-25 264 Plumas Squirrel Creek vicinity of Quincy Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC443342  Lithophragma parviflorum Alice Eastwood 1927-6-27 14902 Plumas In woods, on road from Chilcott Comment
  CHSC81407  Lithophragma parviflorum var. parviflorum L. P. Janeway 1996-5-7 4961 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  RSA88609  Lithophragma tenellum John T. Howell 1951-6-28 27691 Plumas Eureka Peak 1982 Comment
  CAS-BOT-BC110597  Lithophragma tenellum Clare B. Hardham 1961-6-6 7469 Plumas Sierra Nevada. Diamond Peak. 2286 Comment
  CAS-BOT-BC428424  Lithophragma tenellum Rimo Bacigalupi 1927-7-12 1736 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  CAS-BOT-BC428433  Lithophragma tenellum Gladys L. Smith 1976-6-7 4599 Plumas Secondary road betw. Rte. 70 and La Porte 1950 Comment
  UCD127706  Lomatium nudicaule Michael A. Vincent 1999-6-7 8528 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  JEPS95397  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  CAS-BOT-BC243909  Lonicera involucrata var. involucrata Elizabeth Parsons Hawver 1911-8-1 s.n. Plumas Ward Creek, log camp, Lake Tahoe Region Comment
  CAS-BOT-BC243913  Lonicera involucrata var. involucrata M. S. Taylor 1981-7-17 4029 Plumas Ca. 1/4 mi S of Bear Lakes trailhead, Lakes Basin, ca. 6 mi. S of Mohawk 1950 Comment
  CHSC64428  Lonicera involucrata var. involucrata B. Castro; G. Kuenster, L. Gehrung 1994-7-20 525 Plumas Ca 0.2 mi S of Whitehorse Campgd at E side of Bucks Lake, ca 100 yd S of Bucks Creek where bike path crosses moist edge of tributary creek. 1584 Comment
  JEPS115100  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas Scraped clearing on the east side of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of Lake Almanor Reservoir Dam 1607 Comment
  UCD169925  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas On the eastside of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of lake Almanor Reservoir Dam. In the seed trade, known as Upright Bird's-foot Trefoil. 1607 Comment
  SEINET5736942 Image available Lotus incanus Lowell Ahart, Peter Ahart 1985-1 5095 Plumas About 0.5 mile E of Cement Creek, about 0.5 mile N of Onion Valley Creek, and about 4 miles NW of Pilot Park.; Cement Creek 1829 Comment
  JEPS115792  Lotus nevadensis var. nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15881 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line 1374 Comment
  JEPS55724  Lotus oblongifolius var. oblongifolius W. L. Jepson 1924-7-22 10625 Plumas Dogwood Creek Middle Fork Feather River 1127 Comment
  CDA14701  Lotus purshianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3191 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC81804  Ludwigia palustris Lowell Ahart 2001-10-16 9372 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  UCR123904  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2001-7-6 6858 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  SEINET10488369  Lupinus albicaulis Patricia L. Kenney 1973-6-5 Kenney 421 Plumas Along roadside of hwy 89, 5 miles n of junction of hwy 70 and 89. Yellow pine, Douglas fir and oaks 1067 Comment
  SEINET5766867 Image available Lupinus albicaulis subsp. wolfianus A. A. Heller, B. B. Kennedy 1907-1 s.n. Plumas near Greenville Comment
  POM181084  Lupinus albifrons var. albifrons A. A. Heller, P. B. Kennedy, A. H. Heller 1907-7-2 s.n. Plumas Between Vinton and Beckwith. [Beckwourth] Comment
  UC82284  Lupinus albifrons var. collinus R. N. A. July 1894 462 Plumas Lassens Peak Comment
  CHSC52418  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 B Plumas Plumas National Forest. Along top of Eureka Ridge ca 0.5 mi south of the head of Bear Cr. 2103 Comment
  UC384657  Lupinus arbustus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  UC501350  Lupinus arbustus H. E. and S. T. Parks June, 1928 240 Plumas Drakesbad Comment
  UC501351  Lupinus arbustus H. E. and S. T. Parks June, 1928 240 Plumas Drakesbad , Drakesbad (Lassen National Park) Comment
  RSA263030  Lupinus arbustus subsp. silvicola M. L. Conrad, Dunn, LeDoux 1973-6-5 7060 Plumas 5.2 miles west of junction of Highway 70 and Meadow Valley Road in Quincy. 1220 Comment
  CHSC36861  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-28 4754 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  SEINET5327835  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-6-16 380 Plumas Sierra Valley; Frank Dotta Ranch NW of Vinton 1524 Comment
  CHSC97068  Lupinus argenteus var. meionanthus Lowell Ahart; Josephine Guardino 2007-7-20 14353 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola. 1518 Comment
  JEPS48891  Lupinus argenteus var. meionanthus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  SEINET8080989  Lupinus argenteus var. meionanthus A. A. Heller, P. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley near Genessee Comment
  CAS-BOT-BC196670  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  CAS-BOT-BC196672  Lupinus breweri var. breweri H. D. Ripley; R. C. Barneby 1943-6-13 5709 Plumas 10 miles S. of Milford, in N. Plumas Co. 1767 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
  RSA29589  Lupinus confertus Joseph A. Ewan 1934-7-8 8583 Plumas Camp Caldwell, Dentens, Mohawk Valley. 1616 Comment
  CAS-BOT-BC215405  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Quincy Road, 2.2 miles E of Meadow Valley Comment
  CAS-BOT-BC8437  Lupinus dalesiae Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles E of Meadow Valley Inn near Quincy Comment
  CDA14137  Lupinus dalesiae G. F. Hrusa 1997-5-3 13827 Plumas Sierra Nevada; At edge of power lines on E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  JEPS111229  Lupinus dalesiae Steve Matson 2005-5-28 1246 a Plumas East of Twain ca. one mile on Forest Service rd., south side of Feather River; next to road on south side road cut. 40.0174 N 121.0594 W. Elevation 3,100 ft. 944 Comment
  UC1502135  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas n side of Hwy 70 ca 1 mi w Quincy (Indian Hill); Quincy Quad., Indian Hill 1097 Comment
  SEINET10452047  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4528 Plumas T23N R11E ne/se sec 17. Blue Nose Mt quad. On steep rdbk, w side of Peoria Creek Rd (23N10), 2.5 mi w of its jct with Poplar Cr near Sloat. 4400 ft. Jeffrey Pine Forest. 1341 Comment
  SEINET10452058  Lupinus dalesiae Mary Susan Taylor 1982-6-17 Taylor 4694 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  SEINET10452061  Lupinus dalesiae Mary Susan Taylor 1982-6-24 Taylor 4752 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  SEINET10485190  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4541 Plumas T26n r9e e1/2sw1/4 sec 23. Greenville sw quad. On open phyllite dry rd Embankment, w side of dixie canyon rd (204), 1.2 mi n of its jct with hwy 89 at Moccasin. With lupinus onustus, rosa pinetorum. 1219 Comment
  SEINET10485200  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4557 Plumas T24n r9e sw1/4ne1/4 sec 17. Quincy quad. On open phyllite cliff, s side of Bucks lake-spanish creek rd, 2.6 mi. Sw of its jct with hwy 70 in quincy. With Artemisia douglasiana. 1097 Comment
  SEINET10937074  Lupinus dalesiae Taylor 1982-6-16 Taylor 4684 Plumas Quincy quad. Corolla yellow. Open bare roadcut, n. Side of 24n13, ca. .1 Mi East of its jct with willow creek rd (23n90), ca. 4 Air mi southeast of quincy. With silene lemmonii. 1585 Comment
  SEINET10937076  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23n r10e ne1/4sw1/4 sec 13. Blue nose mt quad. Corolla yellow. On cobbly Roadbank, s side of peoria creek rd (23n10), 0.2 mi. Ne of oliver creek, ca 5 Mi. Sw of sloat. With hydrophyllum occidentale, elymuys glaucus. 1615 Comment
  SEINET10970248  Lupinus dalesiae Mary Susan Taylor 1982-6-21 Taylor 4887 Plumas T24n r10e e1/2se1/4 sec 7. Quincy quad. American valley, on ne side of hills S of greenhorn creek, ca 1.5 mi. Ne of quincy. Mixed evergreen forest; with Erigonum nudum, lupinus grayi, apocynum pumilum. 1067 Comment
  SEINET10483999  Lupinus grayi Mary Susan Taylor 1982-6-2 Taylor 4603 Plumas W side of Poplar Creek Rd (23N08), jct s of bridge over Poplar Creek, 1 mi s of Sloat. 4200 ft. 1280 Comment
  UC82104  Lupinus grayi Mrs. R. M. Austin July 1876 27 Plumas near Quincy; near Quincy Comment
  SEINET10451303  Lupinus latifolius subsp. viridifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue-purple and white. Plants ca 11 dm tall. Abundant on dry gravelly Soil in open area at edge of montane coniferous forest, ca 3.5 km ne squaw pk., On e bank of unimproved usfs rd. Sec 1, t25n, r14e. 1973 Comment
  SEINET11262559  Lupinus latifolius var. columbianus Robert L. Johnson, Mikel R. Stevens 2015-7-13 3971 Plumas Northern High Sierra Nevada. Northeast side of La Porte off Main St (Quincy La Porte Rd) near jct with Gold St. E side of road.; 0 1507 Comment
  UC149926  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  CHSC66761  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1996-8-14 8179 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  JEPS102823  Lupinus lepidus var. sellulus Lowell Ahart 2001-8-29 9267 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC566148  Lupinus lepidus var. sellulus E. Sawyer 1935-6-21 132 Plumas 4 1/2 mi nne Crow; Plumas National Forest, Sierraville Quad. Comment
  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
  RSA715533  Lupinus meionanthus John Dittes 2005-7-11 1211 Plumas Northern High Sierra Nevada Range; Drainage of Smith Creek; ca. 12.7 air-miles north x northeast of Taylorsville, ca. 5.3 air-miles southwest of Diamond Mountain, ca. 4.6 air-miles southeast of Indicator Peak., Southwest-facing slope on north side of Smith Creek, ca. 0.5 mile northeast of confluence of Smith Creek and East Branch Lights Creek, uplsope (north) of FS Road 28N03. 1499 Comment
  SBBG67021  Lupinus obtusilobus R. M. Austin -Apr-1877 Plumas American Valley Comment
  SEINET10936750  Lupinus onustus Patricia L. Kenney 1973-6-5 Kenney 423 Plumas Collected along a stream along hwy 70, 6 mi s from jct of hwy 89 & 70. Douglas fir and yellow pine. 1067 Comment
  CHSC60096  Lupinus polyphyllus var. burkei L. P. Janeway 1990-7-25 3812 Plumas Plumas National Forest. Ca 0.2 mi NW of Emigrant Cr and ca 0.3 mi SE of Little Grizzly Cr. 1828 Comment
  CHSC97437  Lupinus polyphyllus var. burkei Robert Fischer 2006-7-2 1038 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  JEPS123961  Lupinus polyphyllus var. burkei Lowell Ahart 2015-7-4 20289 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
  POM23642  Lupinus sellulus var. artulus Marcus E. Jones s.n. Plumas Prattville 1372 Comment
  JEPS96116  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  HSC102788  Luzula comosa var. comosa L. Ahart 2008-8-13 15183 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CHSC108474  Luzula comosa var. laxa Lowell Ahart 2011-9-17 17668 Plumas On the south side of an unnamed stream that flows east into Little grass Valley Reservoir and opposite the Black Roack, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS103523  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 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
  CHSC95002  Lythrum hyssopifolia Lowell Ahart 2006-10-23 13498 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC113586  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC40354  Lythrum portula Lowell Ahart 1985-7-11 5122 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles northeast of La Porte. 1584 Comment
  RSA0118927  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  CAS-BOT-BC342582  Madia Clare B. Hardham 1985-7-31 30139 Plumas Doyles Crossing, between Antelope Reservoir and Janesville Comment
  SEINET10474800  Madia citrigracilis Mary Susan Taylor 1981-7-11 Taylor 4067 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
  CAS-BOT-BC343792  Madia elegans Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  UCR47602  Madia elegans David D. Keck 1932-7-4 1620 Plumas Northern Sierra Nevada Mtns., Quincy, north of Spanish Creek 1067 Comment
  CAS-BOT-BC343789  Madia elegans Mrs. H. C. Cantelow 1949-6-11 6 Plumas Lake Almanor Comment
  CAS-BOT-BC343790  Madia elegans David D. Keck 1932-7-3 1620 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  UC501394  Madia elegans David D. Keck Jul 3 1932-Jul 5 1932 1620 Plumas n of Spanish Creek (Quincy); Northern Sierra Nevada 1066 Comment
  RSA13376  Madia elegans subsp. elegans Daniel Cleveland 1882-7-24 s.n. Plumas Big Meadows. Comment
  RSA584783  Madia elegans subsp. elegans J. T. Howell 1961-9-25 36966 Plumas Sierra Nevada: Vinton 1507 Comment
  CAS-BOT-BC344469  Madia exigua Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  RSA201259  Madia glomerata J. T. Howell 1960-7-18 35601 Plumas Drakesbad. Lassen Volcanic National Park. 1677 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
  SD132021  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mountains,ca.12 airline miles southsouthwest Susanville, Snoring Springs 0.5 miles north of Diamond Mountain-Greenville-RedRock junctn 1980 Comment
  CAS-BOT-BC343283  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43284 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CHSC97093  Madia gracilis Lowell Ahart; Josephine Guardino 2007-7-20 14313 Plumas North 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
  CDA8262  Madia minima D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .304 Plumas Above Little Grass Lake on West side. Comment
  CAS-BOT-BC512091  Maianthemum racemosum subsp. amplexicaule Mrs. S. G. Suttiffe 1917-8-1 s.n. Plumas Blairsden Comment
  CAS-BOT-BC512094  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1945 Plumas Fern Glen; Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS88081  Malacothrix floccifera Vernon H. Oswald and Lowell Ahart 1996-8-14 8158 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  CAS-BOT-BC71084  Marsilea vestita John Thomas Howell 1926-7-30 2159 Plumas Prattville 1371 Comment
  JEPS88533  Matricaria discoidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8014 Plumas Lake Almanor High Cascade Range (e side of arm of lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  CAS-BOT-BC348171  Matricaria discoidea John Thomas Howell 1955-7-19 30801 Plumas Vinton 1505 Comment
  CAS-BOT-BC348174  Matricaria discoidea J. W. Hudson 1925-3-28 s.n. Plumas Ukiah Comment
  RSA59473  Medicago lupulina E. K. Balls 1950-9-16 15878 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, hwy. 89. 1433 Comment
  UCD107740  Medicago lupulina Robbins and Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CAS-BOT-BC269221  Melica aristata John Thomas Howell 1926-7-20 2082 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC269224  Melica aristata John Thomas Howell 1976-7-15 51864 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  SEINET10893681  Melica aristata Mary Susan Taylor 1982-7-7 Taylor 4784 Plumas T23N R11E S26 SW1/4 NW1/4. Johnsville Quad. N side of 23N36 just E of its jct. with 23N35, S slope of Big Hill, ca. 3 air miles S of Sloat. Mixed Evergreen forest. With Eriogonum nudum. 1615 Comment
  CAS-BOT-BC282103  Melica fugax John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54254 Plumas About 2.5 miles SE of Mount Hough on the road to Quincy 1798 Comment
  JEPS113797  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13993 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
  JEPS95630  Melica fugax Lowell Ahart 1994-6-15 7335 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  UC1137053  Melica fugax August L. Hormay Plumas Long Canyon Plumas National Forest (near plots) Comment
  UCD87283  Melica fugax August L. Hormay 10 Jun n/a s.n. Plumas Long Canyon, Plumas National Forest. 1798 Comment
  CHSC111744  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. On dry bare disturbed red soil, on the sides and in the gutter of the dirt road to the large pipe. 807 Comment
  SEINET201565 Image available Melica stricta var. stricta A. Cronquist, AH Holmgren 1959-6-17 8468 Plumas 50 mi SE of Susanville 1372 Comment
  CDA32527  Melica subulata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3131 Plumas 3.25 miles west of Round Valley Reservoir Dam on Dixie Canyon-Round Valley Road, 1/4 mile east of junction with road to Canyon Dam (Lake Almanor) Comment
  CHSC80914  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  RSA699247  Melica subulata L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas On the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  CHSC72315  Mentha canadensis L. P. Janeway 1998-9-10 6276 Plumas Along the northwest shore of Snag Lake; about 5 mi northwest of Quincy. 1205 Comment
  SD6887  Mentha canadensis Daniel Cleveland 1882-7-26 Plumas Big Meadows Comment
  RSA52915  Mentha spicata R. Weatherby 1950-7-21 1475 Plumas East Quincy. 1037 Comment
  CHSC41465  Mentzelia dispersa Lowell Ahart 1986-7-25 5369 Plumas Along Cleghorn Bar Road, about 4 miles north-west of Pilot Peak. 1828 Comment
  CHSC79530  Menyanthes trifoliata G. F. Hrusa; E. Sandoval 1993-5-30 11136 Plumas Snake Lake Vicinity. [Original lat./long. on label is '39 58 N; 120 59 W']. 1250 Comment
  UCD107505  Mertensia ciliata var. stomatechoides Tim Kuhn 2006-6-18 51 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC428539  Micranthes aprica John Thomas Howell 1951-6-28 27688 Plumas Eureka Peak 2133 Comment
  CHSC2452  Micranthes aprica R. Carter 1965-7-2 282 Plumas Greene Island L., along SE shore in small grassy meadow, ca. 10 yds. from shore of lake. 1828 Comment
  CHSC21593  Micranthes bryophora L. M. Mayer; D. E. Brink Jr. 1975-7-24 Plumas Comment
  LA209005  Micranthes integrifolia Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC429149  Micranthes odontoloma Rimo Bacigalupi 1927-7-10 1684 Plumas Meadow about 1/4 mile below outlet of Long Lake along Gray Eagle Creek 1828 Comment
  CHSC21327  Microseris nutans F. T. Griggs; A. Pass 1975-7-31 277 Plumas Buck's Lake. 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
  JEPS13232  Microseris nutans W. L. Jepson 1910-6-15 4132 Plumas site drowned by Lake Almanor (Prattville); , site drowned by Lake Almanor 1310 Comment
  CAS-BOT-BC349342  Microseris nutans Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. W of Pilot Pk. 1800 Comment
  JEPS19843  Microseris nutans Rimo Bacigalupi with Howard Whisler 1957-7-25 6034 Plumas about 1.7 mi e of se end Bucks Lake (along Bucks Lake Road, 1 mi w of Deadwood (Bucks) Summit); watershed of Bucks Creek 1645 Comment
  RSA164328  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Engelmine - Diamond Peak Road, Sierra Nevada 1829 Comment
  CHSC53207  Microsteris gracilis L. P. Janeway 1989-6-14 3309 Plumas Plumas National Forest. Along southerly side of Red Clover Valley. 1685 Comment
  CAS-BOT-BC293728  Mimulus Mona Bourell; Bob Patterson 1982-5-15 1739 Plumas Beckworth, Sierra Valley Marsh Comment
  RSA0014041  Mimulus aurantiacus Joan Stewart 2000-06 1041 Plumas Plumas National Forest Comment
  RSA74135  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12474 Plumas Feather River Canyon at Camp Storrie. In rock crevices along Hwy 24 Comment
  JEPS10495  Mimulus guttatus W. L. Jepson 1924-7-22 10613 Plumas Rich Point Middle Fork Feather River 1097 Comment
  RSA794950  Mimulus guttatus L. Ahart, John Dittes 2009-7-28 16202 Plumas On the northwest side of a logging road, seeps, slope northwest of the mine, west above Forest Service Road 27N28Y, 2.9 air miles northwest of Butt Valley Reservoir Dam. 1582 Comment
  JEPS11553  Mimulus microphyllus W. L. Jepson 1910-6-16 4142 Plumas Quincy 1066 Comment
  JEPS32699  Mimulus moniliformis Lewis S. Rose 1963-6-2 63081 Plumas 4 mi w Virgilia; North Fork of Feather River, East Branch 762 Comment
  CHSC69520  Mimulus moschatus Lowell Ahart 1997-9-11 7895 Plumas On the west side of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  JEPS122296  Mimulus moschatus Lowell Ahart 2014-8-31 19823 Plumas Along 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
  RSA169401  Mimulus moschatus L. S. Rose 1963-6-2 63081 Plumas 4 mi. w. of Virgilia. East branch, North Fork of Feather River. 762 Comment
  JEPS28622  Mimulus nanus var. jepsonii George W. Gillett 1957-7-18 808 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  JEPS28645  Mimulus nanus var. jepsonii George W. Gillett 1957-7-23 893 Plumas on trail below summit Mt. Harkness; Lassen Volcanic National Park 2346 Comment
  CHSC34277  Mimulus nanus var. mephiticus M. S. Taylor 1981-5-10 3664 A Plumas N side of Genesee Valley Rd, ca. 5 mi e of Genesee. 1280 Comment
  RSA422245  Mimulus nanus var. mephiticus Dorothy Davis 1923-08 s.n. Plumas Gold Lake. 2439 Comment
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Nov 13 2013
  UC54640  Mimulus nanus var. mephiticus H. M. Hall and E. B. Babcock July 1903 4451 Plumas Red Clover Creek Sierra Nevada Mountains 1524 Comment
  HSC31375  Mimulus primuloides Larry E. DeBuhr, G. D. Wallace 1972-5-21 591 Plumas Plumas National Forest: at pond reservoir in Butterfly Valley about 1 mi. SW of Keddie 1037 Comment
  POM273167  Mimulus primuloides Lyman Benson 1932-7-29 3999 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS113523  Mimulus suksdorfii Lowell Ahart, John Dittes 2007-6-16 14105 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
  UCD127924  Mimulus suksdorfii Louis K. Mann; Pat Mann 1963-6-17 s.n. Plumas Along US Highway 395, ca. 1-2 miles north of its junction with US Alternate 40. [This location is transcribed from handwritten notes made by the collector, but this location-county combination may be an error, and it may actually be in Nevada]. Comment
  JEPS103324  Mimulus torreyi Lowell Ahart 2002-6-26 9766 Plumas On the E side of the poor road, ca 1 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1760 Comment
  JEPS13354  Mimulus torreyi H. E. and S. T. Parks June, 1928 2417 Plumas Drakesbad Resort, head of valley Lassen National Park, Warner Valley 1798 Comment
  JEPS14993  Mimulus torreyi D. Axelrod 1934-6-9 26 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCR3556  Mimulus torreyi Wm. Horn Jr. 1963-6-19 630619- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  RSA309200  Mimulus torreyi George W. Gillett 1955-8-2 464 Plumas Across Hot Springs Creek from Boiling Springs at lower end of Devil's Kitchen. Comment
  CHSC61741  Monardella follettii L. P. Janeway; Linnea Hanson, Perrie Cobb 1993-7-19 4460 Plumas Plumas National Forest. East side of Red Hill; along the Rich Gulch Road 2.8 mi northwest of Hwy 70 (in canyon of East Branch North Fork Feather River). 1280 Comment
  UCSC008319  Monardella follettii Brett Smith 2012-7-27 BAS 014 Plumas 65m W of unnamed stream, 110 m NE of big bend in FS road that cuts W through Cottonwood Meadow 1341 Comment
  CDA40933  Monardella follettii James D. Jokerst 1992-1 3438 Plumas Serpentine formation, without further data. 0 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
  CAS-BOT-BC318564  Monardella odoratissima subsp. pallida A. A. Heller; P. B. Kennedy 1907-7-9 8774 Plumas Prattville Comment
  CHSC93084  Monardella odoratissima subsp. pallida L. P. Janeway 1994-7-8 4692 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 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
  SD149145  Monardella odoratissima subsp. pallida John Thomas Howell 1975-7-22 51370 Plumas 2.0 miles northwest of Spring Garden. 1173 Comment
  UC1124590  Monardella odoratissima subsp. pallida E. Sawyer 1935-6-24 137 Plumas 4 1/2 mi east of Crow; Plumas National Forest, Sierraville Quadrangle Comment
  UC485787  Monardella odoratissima subsp. pallida H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  JEPS51858  Monardella odoratissima subsp. pallida Duncan Dunning 1921-8-11 Plumas top of mountain above Little Grizzly Valley (on Sterling to Almanor road) Comment
  RSA59488  Monardella odoratissima subsp. pallida E. K. Balls 1950-9-15 15861 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  RSA83370  Monardella odoratissima subsp. pallida F. W. Peirson 1926-6-21 6790 Plumas Lake Almanor Comment
  CAS-BOT-BC220244  Monardella sheltonii John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley 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
  CHSC67978  Monardella sheltonii James D. Jokerst 1989-7-3 3118 Plumas Serpentine canyon on Hwy. 70 3.0 mi E of Caribou Rd. Comment
  CHSC67980  Monardella sheltonii James D. Jokerst 1989-7-3 3122 Plumas Caribou Rd. 1.2 mi N of Hwy. 70. Comment
  UCSC008320  Monardella sheltonii Brett Smith 2012-7-31 BAS 015 Plumas At intersection of Buck's Lake Rd and FS Road 24N29. 100m S of Spanish Creek. 1102 Comment
  CAS-BOT-BC220491  Monardella sheltonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54192 Plumas 1.9 miles north of Grays Flat on road to Long Valley 1249 Comment
  PASA1146  Monardella villosa Margaret Stason 1932-6-22 Plumas Roadside, Lake Almanor Comment
  LA87863  Monardella viridis Elizabeth McClintock; 1968-8-1 sn Plumas between Belden and Caribou Comment
  CAS-BOT-BC444743  Montia chamissoi John Thomas Howell 1960-7-18 35542 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC444735  Montia chamissoi D. E. Breedlove 1962-6-12 3440 -A Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC444737  Montia chamissoi L. P. Janeway 1989-6-15 3321 Plumas Beckwourth Ranger District, Plumas National Forest. Along SW side of Red Clover Valley. 1676 Comment
  SEINET10572655  Montia chamissoi Mary Susan Taylor 1982-6-10 Taylor 4629 Plumas T23N R15E sw sec 6. Reconnaissance Peak quad. In wet Montane Meadow, se corner of jct of 24N32 & 24N02 at Dotta Saddle, ca. 3.5 mi nne of Beckwourth. 6000 ft. 1829 Comment
  CHSC82461  Montia fontana Lowell Ahart 2002-6-26 9795 Plumas Growing along and in a small stream, about 150 yards north of the gravel road, about 1/4 mile (air) west of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1718 Comment
  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
  CHSC60553  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. Wet meadowy areas around oxbow pond. 1485 Comment
  SD8152  Montia linearis Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10929030  Montia linearis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3870 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
  CHSC21710  Montia parvifolia F. T. Griggs; A. Pass 1975-7-8 96 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC54549  Muhlenbergia filiformis Vernon H. Oswald 1991-8-5 4802 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On margins of lake. 1844 Comment
  CHSC77077  Muhlenbergia filiformis L. P. Janeway 1996-8-20 5074 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  SEINET3144064  Muhlenbergia filiformis E. K. Balls 1950-9-2 15635 Plumas Nye Meadows, W slope Mt. Ingall 2256 Comment
  CHSC40459  Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC67414  Muhlenbergia richardsonis James D. Jokerst 1985-6-10 2400 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  UCD143638  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
  JEPS48087  Myosotis discolor Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2701 Plumas vicinity of Butterfly Valley (1/4 mi. s. of junction of U.S. Forest Service rds. 25N15 & 25N12) 1082 Comment
  CHSC115176  Myosotis laxa Lowell Ahart 2015-6-7 20211 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CDA40605  Myosotis laxa T. C. Fuller 1970-9-3 19796 Plumas North side of main road, eastern limits of Quincy. 0 Comment
  RSA59267  Myosotis scorpioides E. K. Balls 1950-8-31 15560 Plumas Spanish Creek off Hwy. 24, just north of Quincy. 1067 Comment
  UC1560385  Myosotis scorpioides E. Joyal and D. Mehlman 1988-7-3 1305 Plumas s.e. Graeagle (and 1 mi. s.e. of Clio, Hwy. #89 at <Sulhur> Creek); <Sulhur> Creek 1200 Comment
  CAS-BOT-BC392264  Myosurus apetalus Herbert L. Mason 1953-6-16 14554 Plumas Two miles east of Beckwourth Comment
  CAS-BOT-BC392271  Myosurus apetalus W. Harnach; N. Harnach 1989-4-16 032 Plumas Sierra Valley. 3/4 mile west of Steel Bridge on Marble Lane 1487 Comment
  CHSC87814  Myosurus apetalus var. borealis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11064 Plumas 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
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Apr 8 2009
  RSA312422  Myosurus aristatus H. L. Mason 1953-7-8 14559 Plumas 1/2 as long as claw, 6 miles SE of Beckwourth on road from Beckwourth to Loyalton across valley Comment
  CHSC112573  Myosurus minimus B. Castro; L. P. Janeway 2007-6-8 1631 Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1 mi N of the mouth of McReynolds Creek at Clover Creek. W side of Thompson Creek, ca 500 ft below edge of open Ponderosa-Jeffrey pine forest. 1668 Comment
  CHSC97589  Myosurus minimus Lowell Ahart; John Dittes 2007-6-16 14111 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
  UCR248226  Myriophyllum hippuroides B. Villegas 2008-7-24 s.n. Plumas Northern Sierra Nevada Mtns., Indian Creek, south of Crescent Mills, near County road A22 1064 Comment
  CHSC32875  Myriophyllum sibiricum L. Ahart 1980-9-17 2652 Plumas In the small shallow lake, ca. 0.5 mi w of Fowler Peak, ca. 8 mi n of La Porte. 1600 Comment
  JEPS102520  Myriophyllum sibiricum Lowell Ahart 2001-9-18 9278 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  SEINET10501564  Najas guadalupensis Mary Susan Taylor 1981-9-3 Taylor 4266 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  UCD130288  Narthecium californicum Albert Grigarick 2011-8-15 295 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1885 Comment
  SEINET8501717  Narthecium californicum M. J. Williams, H. Mozingo 1960-7-12 s.n. Plumas Butterfly Valley. Comment
  SD46739  Navarretia breweri Robert J. Weatherly 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake, on exposed ridge 2194 Comment
  CHSC97603  Navarretia capillaris Lowell Ahart; John Dittes 2007-6-16 14137 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA201328  Navarretia capillaris J. T. Howell 1960-7-21 35829 Plumas Plumas County: Meadowy forest floor NW of Willow Lake. 1707 Comment
  UC907878  Navarretia capillaris Herbert L. Mason 1924-6-18 1063 Plumas 1 mi from Gold Lake; 1 mi from Gold Lake Comment
  RSA107489  Navarretia leptalea L. S. Rose 1955-7-20 55160 Plumas Mohawk. 1372 Comment
  UC711954  Navarretia leptalea subsp. leptalea Roxana S. Ferris and Laura Lorraine 1941-8-9 10421 Plumas near village (Lake Almanor Public Camp); Lake Almanor Public Camp Comment
  CAS-BOT-BC230394  Navarretia leucocephala subsp. minima John Thomas Howell 1961-9-24 36921 Plumas Feather River bed SW of Beckwourth 1487 Comment
  CHSC75516  Navarretia leucocephala subsp. minima G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3154 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC230391  Navarretia leucocephala subsp. minima W. Harnach; N. Harnach 1990-5-25 321 Plumas Sierra Valley. Marble Lane, approximately 0.75 mile W of bridge 1485 Comment
  CDA14700  Nemacladus capillaris G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3189 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1315 Comment
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Feb 15 2008
  UC726892  Nemophila heterophylla A. A. Heller 1942-5-8 16454 Plumas about the base of cliffs and also on them 3 mi w Belden; about base of cliffs and on cliffs w of Belden Comment
  JEPS113459  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
  UC335443  Nemophila pedunculata J. G. Lemmon June 1889 Plumas Mohawk Valley Comment
  JEPS1792  Nemophila pedunculata W. I. Follett 1936-5-10 49 Plumas Rich Gulch 1173 Comment
  CHSC97176  Nemophila spatulata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14004 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
  UC175927  Nuphar lutea subsp. polysepala H. M. Hall 1912-6-30 9304 Plumas Sierra Nevada Mountains, Snake Lake Valley Snake Lake Valley; Sierra Nevada Mountains, Snake Lake Valley 1219 Comment
  SD7985  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows 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
  CHSC66705  Orobanche californica subsp. grayana Vernon H. Oswald; Lowell Ahart 1996-8-1 8131 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dryer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Meadow. 1432 Comment
  JEPS35447  Orobanche californica subsp. grayana J. G. Lemmon 1874-1 Plumas Sierra Valley. Comment
  JEPS113435  Orobanche californica subsp. jepsonii Lowell Ahart, John Dittes 2007-8-9 14451 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
  HSC92456  Orobanche californica subsp. jepsonii L. Ahart 1974-8-3 589 Plumas On S slope E of the Tramway Mine Mill, W of Blue Nose Mtn., ca. 1 mi. NE of the Bunker Hill Mine, ca. 12 mi. NE of La Porte. 1677 Comment
  CHSC53588  Orobanche corymbosa L. P. Janeway 1989-7-19 3500 Plumas Plumas National Forest. Edge of forest along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1676 Comment
  POM117942  Orogenia fusiformis J. Clemens 1920-5-31 s.n. Plumas Greenville Comment
  CHSC63459  Orthilia secunda Lowell Ahart 1994-7-28 7540 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CHSC60151  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; D. Mastalir 1992-7-23 459 Plumas Ca 4 air mi NW of N end of Frenchman Lake and 3 air mi N of Dixie Mtn, on flat-topped peak at headwaters of North Fork Ramelli Creek. 2328 Comment
  CHSC68878  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald; Lowell Ahart 1997-6-24 8627 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground. 1993 Comment
  UC1075672  Osmorhiza berteroi Robert J. Weatherby 1950-7-7 1450 Plumas Gansner Creek Quincy 1219 Comment
  CHSC20775  Osmorhiza chilensis K. R. Stern 1975-7-24 5860 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC33742  Osmorhiza chilensis M. S. Taylor 1981-7-22 4016 Plumas S side of 24N19, ca. 0.5 mi se of Pine Creek Valley, ca. 1 mi ne of Argentine Rock, ca. 5 air mi n of Spring Garden. 2225 Comment
  HSC103996  Osmorhiza chilensis L. Ahart 2008-7-16 15072 Plumas About 2.5 air mi. N of La Porte, ~ 0.25 mi. W of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, ~ 100 yds. N of paved road, east of small meadow (swamp) 1598 Comment
  CDA13995  Osmorhiza occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  JEPS95355  Osmorhiza occidentalis Lowell Ahart 1994-6-29 7406 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  CAS-BOT-BC316900  Packera eurycephala var. lewisrosei John Thomas Howell; Gordon H. True 1967-6-13 42589 Plumas East branch of North Fork of Feather River, 4 miles from Rich Bar on road to Virgilia 822 Comment
  CAS-BOT-BC316902  Packera eurycephala var. lewisrosei G. L. Smith 1976-6-5 4540 Plumas along Rte. 70, mid Feather River Canyon, near Lewisia Cliff. 640 Comment
  CAS-BOT-BC121008  Paeonia brownii Alice Eastwood 1918-5-25 7016 Plumas Portola Comment
  JEPS60653  Paeonia brownii W. L. Jepson 1910-6-9 4102 Plumas Hot Springs Valley Lassen Peak 1828 Comment
  RSA122687  Paeonia brownii E. Sawyer 1935-5-23 32 Plumas 1.5 miles southeast of Kerby 1524 Comment
  CDA17265  Panicum acuminatum var. acuminatum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16292 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  RSA286273  Panicum acuminatum var. acuminatum R. F. Thorne 1974-7-30 44994 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89595  Panicum dichotomiflorum John Thomas Howell 1959-9-26 35065 Plumas Near Virgilia. 838 Comment
  SACT001657  Panicum thermale Malcolm Nobs, S. Smith 1949-8-19 Plumas Comment
  CHSC115925  Parnassia palustris L. P. Janeway 2015-8-16 11839 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  CAS-BOT-BC266631  Pedicularis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54240 Plumas About 3 miles SE of Mount Hough on the road to Quincy 1737 Comment
  CHSC41378  Pedicularis attollens Lowell Ahart 1986-7-8 5360 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  UC1075643  Pedicularis attollens Robert J. Weatherby 1950-8-11 1513 Plumas road to Gold Lake 1828 Comment
  RSA845222  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA112886  Pedicularis densiflora subsp. aurantiaca E. F. Sprague 1957-5-29 1217 Plumas Just off Hwy 4.2 miles W of Mineral. 1159 Comment
  CHSC75545  Pedicularis groenlandica G. F. Hrusa; T. D. Wilfred 1997-6-26 13916 Plumas Sierra Nevada. Wet meadow immed. E of Brady's Camp. Pine Creek Valley, about 1/2 mi. NE Argentine Rock. 2125 Comment
  RSA59174  Pedicularis groenlandica subsp. surrecta E. K. Balls 1950-9-1 15600 Plumas East of Long Lake, at foot of meadow leading down to two smaller lakes. 2104 Comment
  CHSC4732  Pedicularis racemosa R. Carter 1966-7-10 483 Plumas Found on S shore Bucks Lake along S side 24N25, 3/4 mi. from intersection with 24N33. 1524 Comment
  CHSC62593  Pedicularis racemosa B. Castro 1987-6-21 134 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  UCD123296  Pedicularis semibarbata Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  UC1177847  Pellaea brachyptera P. C. Hutchison Plumas 6 mi n Belden (on rd to Longville) 1828 Comment
  CAS-BOT-BC69369  Pellaea breweri Clare B. Hardham 1970-8-9 17716 N Plumas Road to Thompson Peak Lookout 2286 Comment
  CHSC59875  Pellaea breweri L. P. Janeway; Laurie Lamm 1992-7-21 4270 Plumas Plumas National Forest. About 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaissance Peak. Above end of Road 24N91Y. 2103 Comment
  UC124125  Penstemon davidsonii var. davidsonii Mrs. R. M. Austin July 1896 384 Plumas Lassens Peak Comment
  SBBG85009  Penstemon deustus F. W. Pennell 1940-6-11 25807 Plumas 7 mi S of Greenville 1188 Comment
  UC1063379  Penstemon deustus E. Sawyer 1935-6-18 124 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 2011 Comment
  POM147033  Penstemon deustus subsp. deustus Alice Eastwood 1927-06 14675 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  RSA242115  Penstemon deustus subsp. deustus James L. Reveal 1971-6-23 2470 Plumas Along CA Hwy 70 and 89, 2.2 miles north of Kedde and about 1 mile north of the bridge over Spanish Creek. Comment
  CHSC89807  Penstemon deustus var. pedicellatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  SFV17478  Penstemon deustus var. suffrutescens P. Wilson 1998-7-18 3535 Plumas Sierra Nevada Highway 89 between Indian Falls and Crescent Mills. 1100 Comment
  NY600720  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas West edge of Lake Almanor at Prattville 1219.2 Comment
  UC103032  Penstemon gracilentus D. Cleveland 1882-7-21 Plumas Prattville Comment
  UCD147774  Penstemon gracilentus Allyson Ayalon; Lucie Jerabkova 2012-8-1 136 Plumas Plumas County. Antelope Lake vacinity. 1524 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
  POM44795  Penstemon neotericus Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET3012201 Image available Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1460 Comment
  UC139042  Penstemon neotericus Mrs. R. M. Austin July 1896 485 Plumas Lassens Peak Comment
  CHSC27506  Penstemon newberryi Susan M. Schulz 1978-4-23 17 Plumas Jct. of hwy 149 and 70 ca. 26.9 mi, ne side of 70 ca. 10 ft on slope ca. 35 mi ne of Chico on Feather River Canyon. Comment
  SEINET10898223  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Plumas Sonora pass rocky crevices. Sierra nevada. Comment
  RSA71285  Penstemon newberryi subsp. newberryi L. S. Rose 1951-6-28 51053 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CAS-BOT-BC239288  Penstemon newberryi var. berryi Anna Head 1920-7-20 s.n. Plumas Mt. Elwell, Feather River Region 2377 Comment
  CAS-BOT-BC239301  Penstemon newberryi var. berryi Gladys L. Smith 1976-6-7 4590 Plumas Central area of summit ridge, secondary road from Rte. 70 to La Porte 1950 Comment
  CAS-BOT-BC239304  Penstemon newberryi var. berryi W. W. Wagner 1919-6-29 298 Plumas Grizzley [Grizzly] Ridge 2346 Comment
  CAS-BOT-BC239295  Penstemon newberryi var. berryi Elmer I. Applegate 1934-5-3 8908 Plumas Near and west of Meadow Valley Comment
  JEPS7232  Penstemon newberryi var. newberryi R. H. Platt 1891-1 Plumas near Prattville; Sierras Comment
  SEINET10548092  Penstemon personatus Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4009 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
  CDA13940  Penstemon roezlii G. F. Hrusa 1997-6-26 13878 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CAS-BOT-BC239584  Penstemon rydbergii var. oreocharis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Natl. Park Comment
  CAS-BOT-BC239611  Penstemon rydbergii var. oreocharis Anna Head 1920-7-3 s.n. Plumas Near Gray Eagle Falls, Lake Center Camp, Feather River Region 1828 Comment
  CHSC63180  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas On the north side of the Pacific Crest Trail, about 1 mile west of Pilot Peak, about 1/4 mile east of Quincy La Porte Road. 1950 Comment
  JEPS15337  Penstemon speciosus F. W. Embree 1934-6-6 81 Plumas ne dam Bucks Lake (Plumas National Forest); , Bidwell Bar Quad. Comment
  UC1012471  Penstemon speciosus Francis W. Pennell 1940-6-11 25811 Plumas Route 24 Spring Garden Spring Garden 1341 Comment
  CHSC35933  Perideridia bolanderi M. S. Taylor 1982-6-10 4626 Plumas Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1676 Comment
  RSA712867  Perideridia bolanderi subsp. bolanderi L. P. Janeway, B. Castro 2006-6-3 8654 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 1673 Comment
  SJSU11949  Perideridia bolanderi subsp. bolanderi N. A. Hopkins 1971-6-19 405 Plumas c. 5 mi SE of Beckwourth, Sierra Valley 1219 Comment
  UC1389937  Perideridia lemmonii T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-17 5990 b Plumas Lake Almanor; w side Comment
  UC1389946  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5919 Plumas Childs Meadow 1463 Comment
  CDA14029  Perideridia parishii subsp. latifolia G. F. Hrusa, B. A. Smith 1996-8-8 13477 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  HSC100144  Perideridia parishii subsp. latifolia G. Douglas Barbe, T. C. Fuller and J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mi. S of junction of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Rd. 1634 Comment
  JEPS28606  Perideridia parishii subsp. latifolia George W. Gillett 1957-7-17 784 Plumas Willow Lake inlet Lassen Volcanic National Park (side gully) 1767 Comment
  UC1191938  Perideridia parishii subsp. latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1437 Plumas Butterfly Valley; bog and marsh Comment
  CAS-BOT-BC413564  Persicaria amphibia Malcom A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas On southeastern side of Portola Comment
  CHSC102132  Persicaria lapathifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16239 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS122305  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CDA40426  Phacelia hastata T. C. Fuller 1980-8-5 20296 Plumas South of the railroad, west of Highway A23 to Calpine, 1.3 km southwest of Beckwourth. 0 Comment
  CHSC36339  Phacelia hastata subsp. hastata M. S. Taylor 1982-6-28 4756 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures s side of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  UC1602018  Phacelia heterophylla subsp. virgata E. Sawyer 1935-6-14 110 Plumas 1 3/4 mi n Beckwith; Sierraville Quadrangle Comment
  CHSC97140  Phacelia humilis var. humilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14005 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
  RSA59115  Phacelia humilis var. humilis E. K. Balls 1950-8-31 15519 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  RSA38636  Phacelia humilis var. humilis P. A. Munz 1947-5-16 11830 Plumas Eight miles north of Chilcoot. 1524 Comment
  CHSC52525  Phacelia hydrophylloides L. P. Janeway 1990-6-28 3740 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  JEPS3100  Phacelia hydrophylloides Mrs. Emanuel Fritz 1933-7-15 Plumas along rocky road Spanish Peak 2145 Comment
  UC1995398  Phacelia mutabilis F. W. Embree 1934-6-11 93 Plumas 1 mile N. E. of Bucks Ranch. Quadrangle Bidwell Bar. Comment
  UC614676  Phacelia mutabilis L. Constance 1938-6-10 2313 Plumas Prattville Lake Almanor (w edge of lake) 1219 Comment
  UCD120630  Phacelia mutabilis A. A. Heller; P. B. Kennedy 1907-7-6 8755 Plumas Red Clover Valley. Comment
  RSA74857  Phacelia mutabilis F. W. Peirson 1926-6-22 6813 Plumas Trail from Drakesbad to Devil s Kitchen, Lassen National Park. 1738 Comment
  SEINET12249489  Phacelia mutabilis Unknown 1976-1 1161 Plumas by Cold Water Creek, ca 4 mi S of Grizzly Mt 1524 Comment
  SEINET5906191 Image available Phacelia mutabilis L. S. Rose 1967-1 67167 Plumas Mt Hough, 1.3 mi S of summit. Comment
  CHSC46791  Phacelia purpusii J. D. Jokerst 1984-7-11 2098 Plumas Edge of Beckworth-Genesee Road ca 1.1 miles NW of Drum Bridge, E end of Genesee Valley. Comment
  UCD120666  Phacelia racemosa John Thomas Howell 1960-7-22 35914 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CHSC65499  Philadelphus lewisii L. P. Janeway 1995-7-29 4885 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  CHSC44583  Phleum alpinum Lowell Ahart 1977-8-8 1540 Plumas On the floor of a hydaulic mine, south of Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  UC1600440  Phleum pratense W. L. Jepson 1939-8-16 19447 Plumas near Quincy; Greenhorn Creek 1036 Comment
  CHSC21700  Phlox diffusa F. T. Griggs; A. Pass 1975-7-7 81 Plumas Gold and Silver Lakes. Comment
  CHSC63263  Phlox diffusa Lowell Ahart 1994-6-12 7317 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
  SD7492  Phlox diffusa Mrs. R. M. Austin 1875-1 Plumas Quincy Comment
  RSA95431  Phlox diffusa subsp. diffusa J. T. Howell 1951-6-28 27708 Plumas Eureka Peak. 2195 Comment
  JEPS127322  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. Comment
  CHSC76138  Phlox speciosa subsp. occidentalis G. F. Hrusa 1997-5-30 13824 Plumas Sierra Nevada. Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  UC1542938  Phlox speciosa subsp. occidentalis G. Schoolcraft 1987-5-5 1693 Plumas Harrison Ranch 1584 Comment
  CAS-BOT-BC58839  Phyllodoce breweri Anna Head 1920-6-30 s.n. Plumas Feather River Region - Lake Center Camp 1920 Comment
  LA41262  Phyllodoce breweri Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC140522  Physocarpus John Thomas Howell 1959-9-24 34938 Plumas Butterfly Creek near mouth Comment
  NY49926  Pinus contorta var. murrayana E. Fritz 1936-6-21 8206 Plumas 1722.1 Comment
  UCR3597  Pinus contorta var. murrayana Wm. Horn Jr. 1963-8-13 630813- 02 Plumas S shore of Bucks Lake 1707 Comment
  SEINET11610316  Pinus jeffreyi David Charlet, T. Charlet 1996-7-20 2298 Plumas Sierra Nevada, Diamond Mts, Feather River drainage, Last Chance, North side of creek Comment
  CAS-BOT-BC78693  Pinus jeffreyi Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Salmon Lake Comment
  SEINET10866942  Pinus lambertiana Mary Susan Taylor 1981-8-25 Taylor 4241 A Plumas California: T25N R7E se1/4 of se1/4 sec 3. Almanor SW quad. Serpentine knoll, just off spur road off Red Hill Road (26N22F), ca. 1 air mi NE of the Lookout, ca. 5 air mi NE of Belden. Plumas County. 5800 ft. 1768 Comment
  CHSC40684  Pinus monticola Lowell Ahart; Jim Jokerst 1985-10-4 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC79047  Pinus ponderosa Alice Eastwood 1927-6-1 14702 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CAS-BOT-BC79049  Pinus ponderosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1595 Plumas Fern Glen 1097 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
  SEINET10866949  Pinus ponderosa Mary Susan Taylor 1981-8-25 Taylor 4241 Plumas California: T25N R7E se1/4 of se1/4 sec 3. Almanor SW quad. Serpentine knoll, just off spur road off Red Hill Road (26N22F), ca. 1 air mi NE of the Lookout, ca. 5 air mi NE of Belden. Plumas County. 5800 ft. 1768 Comment
  CHSC2381  Piperia unalascensis R. Carter 1964-7-4 142 Plumas One mile N of Green Island L. along Calif. Riding and Hiking Trail. 1706 Comment
  UC127440 Image available Plagiobothrys A. A. Heller and P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Beckwith Comment
  UC127441  Plagiobothrys A. A. Heller with P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Peckwith Comment
  SD6754  Plagiobothrys cognatus unknown 1882-7-22 Plumas Prattville Comment
  UC127237  Plagiobothrys cognatus A. A. Heller 1907-7-2 8680 Plumas between Vinton and Beckwith Comment
  CDA18433  Plagiobothrys cusickii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3167 Plumas Long Valley; Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC230985  Plagiobothrys hispidulus Lewis S. Rose 1967-6-11 67105 Plumas Quincy 1036 Comment
  CHSC94108  Plagiobothrys hispidulus Lowell Ahart 2006-7-9 12926 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS115706  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16150 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  UCD120831  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC230959  Plagiobothrys hispidulus John Thomas Howell 1960-7-21 35830 A Plumas Lassen Volcanic National Park. NW of Willow Lake 1706 Comment
  CAS-BOT-BC230968  Plagiobothrys hispidulus John Thomas Howell; H. Keith Wagnon 1980-5-27 53622 Plumas 1 mile W of Almanor 1386 Comment
  CAS-BOT-BC230978  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  CHSC84534  Plagiobothrys mollis var. mollis John Dittes; Lowell Ahart 2003-8-8 2003 -92 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  RSA39779  Plagiobothrys scouleri var. hispidulus P. A. Munz 1947-5-16 11826 Plumas 8 miles north of Chilcoot. 1524 Comment
  CHSC102054  Plantago lanceolata Lowell Ahart; John Dittes 2009-7-27 16193 Plumas On dry soil, on the south side of the poor dirt road, about 30 yards southeast of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CDA13420  Platanthera leucostachys G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13268 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  JEPS115085  Platanthera leucostachys Lowell Ahart, John Dittes 2009-7-13 16049 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  UC367023  Platanthera leucostachys J. G. Lemmon and wife Aug 1883 Plumas Indian Valley, n California Indian Valley Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  SEINET10464992  Plectritis congesta subsp. brachystemon Mary Susan Taylor 1982-5-4 Taylor 4403 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. Serpentine outcrop, n side of Spanish Ranch-Bucks Lake Rd, at its jct with 24N17, ca. 0.5 mi ne of Meadow Valley. 3700 ft. 472 Comment
  SEINET10464982  Plectritis macrocera Mary Susan Taylor 1974-5-18 Taylor 251 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  UC1132869  Poa A. Hormay 1932-6-11 23 Plumas 10 mi se Quincy; Downieville Quadrangle Comment
  UCD92178  Poa Beecher Crampton 1954-5-11 1876 Plumas Plumas - Lassen County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC254610  Poa X limosa John Thomas Howell 1967-6-23 42672 Plumas Canyon of Butterfly Creek 975 Comment
  CAS-BOT-BC254612  Poa X limosa John Thomas Howell 1962-6-18 37756 Plumas Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola 1487 Comment
  CHSC102380  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16133 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
  RSA726384  Poa bolanderi L. Ahart, Josephine Guardino 2007-7-21 14369 Plumas About 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1794 Comment
  UCD90555  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC102043  Poa compressa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16230 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC255125  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3.25 miles ENE of Beckwith Butte (ca. 2 miles S of Beckwith) 1493 Comment
  UCD90898  Poa cusickii A. A. Heller; P. B. Kennedy 1907-7-5 8751 Plumas Red Clover valley. Comment
  CHSC97613  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2007-6-16 14112 Plumas On dry soil, east of a 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
  CAS-BOT-BC255144  Poa cusickii subsp. epilis George W. Gillett 1957-7-13 760 Plumas Lassen Volcanic National Park. Below Sifford Lakes, on direct route to the Devils Kitchen 2057 Comment
  CHSC58209  Poa cusickii subsp. epilis Vernon H. Oswald; Lowell Ahart 1992-6-22 5022 Plumas Lassen Volcanic National Park. Along the service road ca. 0.1 mi S of Terminal Geyser. 1767 Comment
  CAS-BOT-BC246853  Poa nemoralis John Thomas Howell 1977-6-21 52386 Plumas Seneca 1097 Comment
  CAS-BOT-BC255916  Poa nervosa Clare B. Hardham 1978-8-11 21801 b Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC247272  Poa palustris John Thomas Howell 1955-7-19 30735 Plumas Portola 1478 Comment
  RSA201356  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  UC1132696  Poa palustris E. Sawyer 1935-5-24 39 Plumas 1 1/4 mi w Kerby; Sierraville Quadrangle Comment
  CDA14144  Poa pratensis G. F. Hrusa 1997-5-3 13834 Plumas Sierra Nevada; Rhizomatous perennial, scattered on open sites along Rattlesnake Creek creekbed, but not in wet areas. E side of Rattlesnake Ck., S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC23612  Poa pratensis K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  CHSC30631  Poa pratensis J. D. Jokerst 1979-6-23 267 Plumas First meadow s of Meadow Valley Cr and e of Forest Service Rd to Deanes Valley (s of road between Quincy and Bucks Lake). Comment
  RSA699792  Poa pratensis L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11165 Plumas On north side of a forest road, About 0.25 mi north of Taylor rock, About 1 mi (air) SW of Grizzly Peak, About 5 mi (air) south of Taylorsville, About 8 mi (air) NE of Quincy 2140 Comment
  JEPS106235  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11165 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  SBBG684  Poa secunda A. A. Beetle 1941-6-28 2769 Plumas W side of Lake Almanor 1219 Comment
  UCD90266  Poa secunda A. A. Beetle 1941-6-28 2769 Plumas West side of Lake Almanor. 1828 Comment
  UCD90271  Poa secunda A. A. Beetle 1941-6-28 2770 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC242966  Poa secunda subsp. secunda David D. Keck 1944-7-9 5424 Plumas 1 mile N of Quincy across Spanish Creek 1066 Comment
  CAS-BOT-BC242976  Poa secunda subsp. secunda Anna Head 1921-7-18 s.n. Plumas Feather River Region. Lake Center Camp 1981 Comment
  JEPS115948  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  SEINET7294094 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 1450 J Plumas Hills above Red Clover valley Comment
  SEINET7862572  Poa secunda subsp. secunda W. Harnach, N. Harnach 2000-5-20 888 Plumas Sierra Valley, Approx 2.5 road miles N of Sierra/Plumas Co. line on A23, midway between County Rd A-23 and the Sharkey Cemetery. 1512 Comment
  UC1132855  Poa secunda subsp. secunda E. Sawyer 1935-5-23 33 Plumas 1 1/2 mi sse Kerby; Sierraville Quadrangle Comment
  UCD90788  Poa secunda subsp. secunda Beecher Crampton 1954-5-11 1886 Plumas 7 miles south of Vinton, Sierra Valley. Comment
  CDA32652  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas West side of Hwy 89 to Truckee, 1 mile south of Graeagle. 0 Comment
  CAS-BOT-BC6508  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
  CHSC112085  Poa sierrae L. P. Janeway; Oswaldo Angulo 2014-9-2 11578 Plumas Northern High Sierra Nevada. Plumas National Forest; Cleghorn Bar campground, along the south edge of Middle Fork Feather River. 945 Comment
  CHSC72476  Poa wheeleri L. P. Janeway 1998-6-24 5684 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  CAS-BOT-BC263247  Polemonium californicum R. Stubbs 2010-8-9 018 Plumas Bucks Lake Wilderness in Plumas National Forest. Along trail supposedly heading to Three Lakes 1931 Comment
  CAS-BOT-BC167539  Polygala cornuta var. cornuta John Thomas Howell 1966-7-26 42003 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CHSC113873  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC37676  Polygonum aviculare subsp. aviculare M. S. Taylor; J. Hickman 1982-9-8 5112 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 4 air mi s of Greenville. 1371 Comment
  CAS-BOT-BC414049  Polygonum aviculare subsp. aviculare M. S. Taylor 1982-9-13 5134 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth 1487 Comment
  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
  CHSC110251  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. 1554 Comment
  UCD147790  Polygonum californicum Allyson Ayalon; Lucie Jerabkova 2012-8-1 143 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  RSA60017  Polygonum davisiae E. K. Balls 1950-9-1 15596 Plumas Long Lake, above east shore toward Mt. Elwell. 2104 Comment
  SEINET10479644  Polygonum davisiae Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4965 Plumas T21N R11E se sec 3. Sierra City NW quad. On ridge between Florentine Cyn and Spencer Lakes, ca. 5 mi sw of Johnsville. 7000 ft. 2133 Comment
  CAS-BOT-BC414550  Polygonum douglasii John Thomas Howell 1960-7-18 35569 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC414565  Polygonum douglasii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2125 Plumas Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  UCD100254  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy. 1036 Comment
  CAS-BOT-BC414552  Polygonum douglasii John Thomas Howell 1974-9-20 50889 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CAS-BOT-BC419744  Polygonum douglasii J. T. Vale 1988-10-4 s.n. Plumas Bucks Lk, at S.E. end 1584 Comment
  SEINET11934446  Polygonum douglasii L. Ahart, Jokerst, J. 1985-1 5193 Plumas About 1 mi W of Pilot Peak, about 9 mi NE of La Porte. Along the road, S of where the road crosses 1829 Comment
  CHSC103128  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16116 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
  JEPS95706  Polygonum douglasii subsp. douglasii Lowell Ahart 1995-9-13 7624 Plumas about 1 mile north-west of Pilot Peak; Onion Valley; on the north side of Onion Valley; east of Quincy La Porte Road; about 1 mile north-west of Pilot Peak 1828 Comment
  UC187613  Polygonum douglasii subsp. spergulariiforme Mrs. R. M. Austin Aug. 1899 Plumas Big Meadows Comment
  UC465756  Polygonum douglasii subsp. spergulariiforme D. Cleveland 1882-7-24 148 Plumas Austin's Field Big Meadows Comment
  UC1101203  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-19 1416 Plumas about 2 mi s Greenville; Indian Valley Comment
  CAS-BOT-BC419836  Polygonum parryi John Thomas Howell; Gordon H. True 1967-7-11 43290 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  RSA122753  Polygonum phytolaccifolium B. O. Schreiber 1938-7-10 2530 Plumas 1/4 mile S of University of California Forestry Camp, near Meadow Valley. 1098 Comment
  JEPS86714  Polygonum polygaloides subsp. esotericum J. C. Hickman with Susan D'Alcamo 1989-7-4 Plumas 110 m se of jct of Calpine-Beckwourth Road with Dyson Lane (w Sierra Valley); Sierra Valley Comment
  CHSC115213  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2015-6-7 20219 Plumas West side of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC36929  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Dry open slope above creek, 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
  JEPS124121  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2015-6-7 20219 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  SEINET10871622  Polygonum shastense Mary Susan Taylor 1981-7-22 Taylor 4108 Plumas T24N R11E nw 1/4 nw 1/4 sec 5. Spring Garden quad. Slope of hill, ca. 1/4 mi S of 26N21, ca. 0.5 mi W of Pine Creek Valley, ca. 7 air mi N of Spring Garden. 2316 Comment
  CAS-BOT-BC421039  Polygonum spergulariiforme Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SFV10662  Polypodium californicum M. L. Vincent 1968-6-10 856 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  JEPS103690  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  SEINET4889926  Polypogon monspeliensis W. Harnach 1989-5-27 121 Plumas Sierra Valley. Hot wells on north side of Marble Lane. Collected within 6 inches of water at the head of the hot well. 1490 Comment
  CHSC4183  Polystichum imbricans J. E. Bowlin 1967-3-8 2 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CAS-BOT-BC72358  Polystichum imbricans subsp. imbricans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1450 Plumas near mouth of Butterfly Creek 883 Comment
  RSA754533  Polystichum imbricans subsp. imbricans L. Ahart, John Dittes 2009-7-27 16164 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  CAS-BOT-BC72350  Polystichum imbricans subsp. imbricans L. P. Janeway 1990-9-28 3854 Plumas West Branch Soda Creek 0.4 mi N of East Branch North Fork Feather River and Hwy 70, vicinity of Paxton 914 Comment
  CAS-BOT-BC72361  Polystichum imbricans subsp. imbricans J. Ed. McClellan; Bonnie McClellan 1968-6-14 s.n. Plumas Near Nelson Creek on road from Quincy to La Porte Comment
  CHSC101494  Polystichum lemmonii L. P. Janeway; Melanie Williams 2009-8-26 9929 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, about 110 m north-northwest of and below the Buckhorn survey monument. 1921 Comment
  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
  CAS-BOT-BC102756  Populus tremuloides M. S. Taylor 1981-7-27 4124 Plumas Grizzly Valley quad. Along spring crossing Beckwourth-Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of 1737 Comment
  UC1134791  Populus tremuloides C. W. Hanks 1934-8-10 41 Plumas Canyon bottom ne Sierra Valley; Plumas National Forest, Sierraville Quad. Comment
  RSA59907  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  UC579490  Porterella carnosula E. Sawyer 1935-6-27 163 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10460758  Porterella carnosula Austin 1878-1 AUSTIN s.n. Plumas Near Slender district Comment
  JEPS102562  Potamogeton crispus Lowell Ahart 2001-10-8 9313 Plumas In shallow water of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC453709  Potamogeton illinoensis R. F. Thorne; C. W. Tilforth 1969-9-6 39250 Plumas Along Feather River; 1 mi. SW of Beckwourth. 1356 Comment
  CAS-BOT-BC453789  Potamogeton natans Walter Knight; Irja Knight 1966-6-18 1362 Plumas Butterfly Botanical Area and Vicinity. Butterfly Valley 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
  CHSC81435  Potamogeton richardsonii Lowell Ahart 2001-9-18 9286 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  RSA716594  Potamogeton richardsonii Lowell Ahart, John Dittes 2005-9-19 12376 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  CAS-BOT-BC143431  Potentilla John Thomas Howell 1961-6-21 36703 Plumas Greenville 1097 Comment
  CAS-BOT-BC540034  Potentilla biennis Ellen Cooper Baxley 1921-9-1 s.n. Plumas Santa Babara Comment
  JEPS105839  Potentilla breweri Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11167 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  UCR60738  Potentilla glandulosa B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0955 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
  CHSC45738  Potentilla glandulosa subsp. reflexa L. P. Janeway 1987-6-20 2279 Plumas Ravine on N side of S Br Middle Fk Feather River, below Whiskey Hill. 1158 Comment
  CHSC27327  Potentilla gracilis T. B. Devine 1978-8-5 466 Plumas Ca 1/4 mi n of Butterfly Valley Botanical Area. 1097 Comment
  UC903269  Potentilla gracilis Mrs. H. P. Bracelin 1931-5-31 399 Plumas Chester Comment
  CHSC53594  Potentilla gracilis var. fastigiata L. P. Janeway 1989-7-25 3517 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CAS-BOT-BC540070  Potentilla gracilis var. fastigiata L. P. Janeway 1989-7-25 3517 Plumas Crocker Meadow; near Beckwourth - Genesee Rd (rd 111), 6.4 mi north of Beckwourth 1737 Comment
  CAS-BOT-BC540072  Potentilla gracilis var. fastigiata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC158519  Potentilla millefolia Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 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
  CHSC101923  Poteridium annuum Lowell Ahart; John Dittes 2009-7-13 16055 Plumas West side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  SEINET10498363  Prunella vulgaris subsp. lanceolata Mary Susan Taylor 1974-7-3 Taylor 303 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CHSC52059  Prunella vulgaris var. lanceolata L. P. Janeway 1990-7-6 3780 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  RSA755328  Prunella vulgaris var. lanceolata L. Ahart, John Dittes 2009-7-13 16042 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
  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
  CHSC58040  Prunus emarginata Vernon H. Oswald; Lowell Ahart 1992-6-2 4971 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. Near the base of a cliff. 1822 Comment
  RSA60137  Prunus emarginata E. K. Balls 1950-9-5 15679 Plumas Main trail Thompson Creek, off La Porte Road, off Hwy 24, e. of Quincy. Comment
  RSA609438  Prunus emarginata Louis C. Wheeler 1958-7-30 7347 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1128345  Prunus emarginata G. F. Burk 1933-8-20 39 Plumas Lexington Hill, Plumas National Forest Lexington Hill; Plumas National Forest, Lexington Hill 1676 Comment
  SEINET7346795  Prunus emarginata C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  SBBG33124  Prunus virginiana var. demissa K. K. Muller 1963-8-17 1246 Plumas near Quincy Comment
  UCD113528  Prunus virginiana var. demissa Matt Georgeff 1992-5-17 20 Plumas Snake Lake campground, 15 miles west of Quincy, 0.5 mile from campground. 1249 Comment
  CHSC113975  Pseudognaphalium luteoalbum Lowell Ahart 2014-11-16 19889 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS110517  Pseudognaphalium luteoalbum Lowell Ahart 2006-10-23 13474 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  CDA15899  Pseudostellaria jamesiana B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; About headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC99829  Pseudostellaria jamesiana Lowell Ahart 2008-7-16 15100 Plumas Dry open area west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  RSA101456  Pseudostellaria jamesiana R. Weatherby 1955-7-2 1582 Plumas Wilcox Valley. 1768 Comment
  RSA756864  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. 2149 Comment
  CHSC87628  Pseudostellaria sierrae Lowell Ahart; Josephine Guardino 2004-5-24 10938 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy. 1224 Comment
  RSA754997  Pseudostellaria sierrae L. Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas Esat side of Forest Road 25N10, about 2 air miles west of Grizzly Peak, about 8 air miles northeast of Quincy. 1805 Comment
  UC1948764 Image available Pseudostellaria sierrae Richard K. Rabeler, B. Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas Plumas County: 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Road), 1.95 mi N of CA 89, W of Crescent Mills. 1463 Comment
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Jun 15 2011
  RSA0006061  Pseudostellaria sierrae Richard K. Rabeler, Barbara Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Road), 1.95 mi N of CA 89, W of Crescent Mills. 1462 Comment
  CAS-BOT-BC361779  Psilocarphus brevissimus var. brevissimus Alice Eastwood 1918-5-25 7002 Plumas Portola Comment
  CAS-BOT-BC361780  Psilocarphus brevissimus var. brevissimus A. A. Heller; P. B. Kennedy 1907-7-2 8689 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  CAS-BOT-BC361782  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Linnea Hanson; Joyce Lacey 1993-6-26 4405 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; ca 0.5 mi southwest of Beckwourth, 4 mi east of Portola, corner of Beckwourth-Calpine Road and railroad 1487 Comment
  CHSC102056  Pterospora andromedea Lowell Ahart; John Dittes 2009-7-14 16067 Plumas On dry soil, on the south 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
  CAS-BOT-BC239825  Puccinellia lemmonii W. Harnach; N. Harnach 1991-6-17 554 Plumas Sierra Valley. 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  UC1128539  Purshia tridentata var. tridentata N. French 1934-11-16 557 Plumas 6 mi s Beckwith; Plumas National Forest, Sierraville Quad. 1493 Comment
  UCSB45772  Purshia tridentata var. tridentata Reisentz, Paul 1979-5-12 Plumas Indian Creek at the junction of Highway 70 and Highway 89 Comment
  CAS-BOT-BC460824  Pyrola aphylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54226 Plumas Sierra Nevada: abuot 5 miles SE of Mt. Hough on the road to Quincy 1584 Comment
  CAS-BOT-BC462897  Pyrola asarifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2236 Plumas Butterfly Botanical Area and Vininity: Fern Glen 1097 Comment
  CHSC70250  Pyrola dentata B. Castro; R. Zebell, R. Fallscheer 1989-8-2 349 Plumas Ca 3.5 air mi S of Bucks Lake, 50-100 ft W of USFS Rd 23N58. 1737 Comment
  CAS-BOT-BC462785  Pyrola dentata F. B. Cayot 1913-8-12 19219 Plumas Three Mile Valley, Plumas Forest 1828 Comment
  CHSC33879  Pyrola picta M. S. Taylor 1981-7-21 4090 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  RSA794225  Pyrola picta Diana D. Jolles 2005-7-16 131 Plumas Eastern side of Little Grass Reservoir, Plumas National Forest. Comment
  UC914186  Pyrola picta H. S. Reed 1941-8-2 Plumas Forest Lodge Comment
  CHSC89978  Pyrrocoma lucida Colby J. Boggs 2004-8-5 57 Plumas Approximately 1.5 miles north of the Town of Mohawk between railroad tracks and Middle Fork of the Feather River, and 0.1 miles southwest of Hwy 70. Terrace adjacent to river. 1302 Comment
  JEPS5021  Pyrrocoma lucida Roxana S. Ferris 1951-9-14 12469 Plumas just n Sierra County line (between Graeagle and Calpine) Comment
  CAS-BOT-BC328166  Pyrrocoma racemosa var. congesta M. S. Taylor 1982-8-27 5044 Plumas Southwest corner of junction of Highway 70 and road to Loyalton in Vinton 1493 Comment
  CAS-BOT-BC62428  Quercus chrysolepis John M. Tucker 1948-7-25 1736 Plumas Summit of Lav Cap ca. 1 mi. south of Cascade 1435 Comment
  CAS-BOT-BC93978  Quercus durata John Thomas Howell 1959-9-21 34789 Plumas Rich Bar 762 Comment
  RSA88599  Quercus durata J. T. Howell 1951-6-26 27532 Plumas Near Rich Bar. 793 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC62739  Quercus garryana var. breweri John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon 853 Comment
  UCD169284  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8988 Plumas Along Road 26N22F (to top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  CAS-BOT-BC104605  Quercus vacciniifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54401 Plumas Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC104607  Quercus vacciniifolia Gladys L. Smith 1976-6-7 4581 Plumas Sierra Nevada. North End of summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  CAS-BOT-BC379470  Ranunculus alismifolius Lloyd W. Swift 1931-5-24 44 Plumas Plumas Forest, Murdock Crossing 1524 Comment
  CHSC107439  Ranunculus alismifolius var. alismellus Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 2 Plumas Northern High Sierra Nevada. 0.2 miles (air) South of Goat Mountain on opposite side of Pancake Ravine in a wet meadow on a N facing 0-25% slope. 1626 Comment
  CHSC61668  Ranunculus alismifolius var. alismellus Vernon H. Oswald; Lowell Ahart 1993-8-25 5869 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.3 mi upstream from the S boundary of the park. In forest on the E side of the creek, between the cascades and Twin Mdws. 2049 Comment
  UC302247  Ranunculus alismifolius var. alismifolius Marcus E. Jones, A. M. 1897-7-5 Plumas Prattville 1371 Comment
  SD46713  Ranunculus alismifolius var. lemmonii Robert J. Weatherby 1955-6-22 1536 Plumas Meadow below Spanish Peak 2133 Comment
  JEPS102519  Ranunculus aquatilis Lowell Ahart 2001-9-18 9287 Plumas Lake Davis, Freeman Creek 1758 Comment
  CHSC96990  Ranunculus cymbalaria var. saximontanus L. P. Janeway; B. Castro 2007-6-8 9035 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek. 1672 Comment
  CHSC81814  Ranunculus flammula var. ovalis Lowell Ahart 2001-10-16 9379 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  SEINET10535969  Ranunculus flammula var. ovalis Mary Susan Taylor 1981-9-3 Taylor 4270 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  RSA726350  Ranunculus occidentalis var. occidentalis L. Ahart, John Dittes 2007-6-16 14114 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  HSC24661  Ranunculus occidentalis var. occidentalis John Pratt 1970-6-19 24 Plumas Intersection of Rock Creek and Hwy. 36 Comment
  RSA0089049  Ranunculus occidentalis var. ultramontanus Bonnie C. Templeton 1968-1 11231 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  RSA147071  Ranunculus occidentalis var. ultramontanus Alice Eastwood 1927-6-12 14497 Plumas Forest Lodge, Greenville. Comment
  CAS-BOT-BC362888  Ratibida columnifera F. B. Cayot 1913-8-12 31 Plumas Plumas National Forest. Three Mile [Threemilel] Valley 1767 Comment
  JEPS48674  Rhamnus purshiana Esther C. Fritz 1933-7-25 Plumas Meadow Valley 1158 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  RSA518946  Rhamnus purshiana J. T. Howell 1959-9-24 34935 Plumas Butterfly Creek near mouth Comment
  UC570996  Rhamnus purshiana Herbert L. Mason 1924-6-19 1071 Plumas along stream running n into Bear Lake Bear Lake Comment
  SEINET10493608  Rhamnus purshiana Mary Susan Taylor 1982-7-22 Taylor 4902 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
  RSA517191  Rhamnus rubra J. T. Howell 1975-6-16 51134 Plumas Transition zone coniferous forest, 2 miles NW of Spring Garden 1174 Comment
  CAS-BOT-BC56574  Rhododendron columbianum Lewis S. Rose 1969-6-24 69052 Plumas Butterfly Valley, 5 mi. west of Keddie 1310 Comment
  CDA28744  Rhododendron occidentale B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of town of Cascade on Plumas/Butte Co. boundary. 1292 Comment
  CHSC72467  Rhynchospora capitellata L. P. Janeway 1998-9-10 6269 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog below Road 25N47 (Sweetwater Marsh) 0.3 mi south of Road 417. 1164 Comment
  SD134047  Rhynchospora capitellata Peter Rubtzoff 1962-10-15 Plumas Butterfly Valley. Comment
  CAS-BOT-BC111919  Rhynchospora glomerata var. capitellata John Thomas Howell 1976-7-15 51869 Plumas Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CAS-BOT-BC108708  Ribes cereum H. E. Brown 1897-8-1 601 Plumas Near Lassen Buttes. 1828 Comment
  SD8336  Ribes divaricatum Daniel Cleveland 1882-7-26 Plumas Big Spring, Big Meadows Comment
  CAS-BOT-BC219215  Ribes nevadense Walter & Irja Knight 1967-5-22 1906 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC219217  Ribes nevadense Mrs. H. C. Cantelow 1949-6-10 1 Plumas Feather River Canyon Comment
  CAS-BOT-BC219225  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On the NW side and near summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CAS-BOT-BC219227  Ribes nevadense George W. Gillett 1957-7-19 857 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  CHSC46657  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On broken rocks, near low cliffs, on the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CHSC70263  Ribes nevadense B. Castro; R. Fallscheer, R. Zebell 1989-8-7 360 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1737 Comment
  CAS-BOT-BC186216  Ribes roezlii var. roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake, Sierra Nevada Mt. Range, Feather River 2133 Comment
  CAS-BOT-BC186226  Ribes roezlii var. roezlii Elmer I. Applegate 1929-6-21 5790 Plumas Between Kelly's Camp and Drakesbad, Warner Valley, Mt. Lassen region Comment
  NY42169  Ribes roezlii var. roezlii J. B. Walker 1994-8-3 875 Plumas On La Porte Rd, 15km S of junction with Hwy 70 1500 Comment
  SEINET5339852  Ribes velutinum var. velutinum T. Ramelli 1948-4-25 12 Plumas 2 miles south of Vinton, CA 1615 Comment
  CAS-BOT-BC74631  Rorippa curvisiliqua Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  CAS-BOT-BC74632  Rorippa curvisiliqua Anna Head 1921-7-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC74640  Rorippa curvisiliqua Greg Sommers 1976-7-13 175 Plumas Sierra Nevada. Sierra Valley Marsh, 1 km southeast of metal bridge on Dyson Lane. 1524 Comment
  RSA718508  Rorippa curvisiliqua L. Ahart 2006-10-23 13476 Plumas On the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mi. northeast of Scales Road., About 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CAS-BOT-BC74648  Rorippa curvisiliqua Roxana S. Ferris; Laura Lorraine 1941-8-9 10429 Plumas At Lake Almanor Public Camp (near village). Comment
  CHSC113584  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC148168  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1558 Plumas Fern Glen - butterfly Botanical Area and vicinity 1112 Comment
  CAS-BOT-BC148178  Rosa gymnocarpa C. R. Quick 1954-8-4 54 -05 Plumas Lake Almanor-Humbug Valley Road Comment
  CHSC60142  Rosa gymnocarpa L. P. Janeway 1992-6-10 4229 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .3 mi southwest of Little Grizzly Creek. 1813 Comment
  CAS-BOT-BC149726  Rosa woodsii subsp. ultramontana Roxana S. Ferris; Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  CHSC9715  Rubus armeniacus Nancy Mosman 1971-7-11 82 Plumas Ca. 10 ft from Feather River along road 0.5 mi s of Belden turnoff and Hwy 70. 1025 Comment
  SBBG128282  Rubus leucodermis L. Ahart, J. Dittes 2009-7-14 16071 Plumas S side of Forest Service Rd 27N92, ca. 1.9 mi SE of Seneca, ca. 6 mi S of Lake Almanor Reservoir Dam 1677 Comment
  UC1128619  Rubus leucodermis D. Axelrod 1934-6-12 45 Plumas 1 mi ne La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  RSA795723  Rubus parviflorus L. Ahart, John Dittes 2009-7-27 16169 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  UC1128651  Rubus parviflorus E. Nourse 1934-8-15 962 Plumas 2 1/2 mi e and 1/4 mi s Clermont Hill; Plumas National Forest, Downieville Quad. 1706 Comment
  CAS-BOT-BC156921  Rubus ursinus John Thomas Howell 1967-6-23 42679 Plumas Canyon of Butterfly Creek 1036 Comment
  CAS-BOT-BC156924  Rubus ursinus John Thomas Howell; H. Keith Wagnon 1980-5-26 53589 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  CHSC75522  Rumex acetosella G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3159 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC422038  Rumex acetosella John Thomas Howell 1960-7-21 35800 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET11934444  Rumex acetosella L. Ahart, Ahart, P. 1985-1 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather 1585 Comment
  CAS-BOT-BC433321  Rumex crispus W. Harnach; N. Harnach 1989-6-17 149 Plumas Sierra Valley. Collected approx. 200 ft. west of the steel bridge on Marble lane. 1487 Comment
  CHSC45870  Rumex salicifolius var. triangulivalvis Lowell Ahart 1976-7-7 1155 Plumas Growing on moist soil by Cold Water Creek, about 4 miles south of Grizzly Mountain, about 10 miles south of Bucks Lake. 1524 Comment
  CAS-BOT-BC434315  Rumex triangulivalvis Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  UCSB15922  Rumex triangulivalvis Breedlove, Dennis 1962-6-12 Plumas on northern bank of Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  POM119223  Sagittaria Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  JEPS32196  Sagittaria cuneata R. H. Platt 1891-1 Plumas The Sierras Comment
  CAS-BOT-BC103604  Salix eastwoodiae Rimo Bacigalupi 1927-7-8 1668 Plumas western edge of Long Lake Comment
  CHSC74122  Salix eastwoodiae J. Jurewicz 1992-9-22 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi E of USFS Rd 23N15 at 'Green's Flat' site. 1712 Comment
  UC846411  Salix eastwoodiae Joseph Andorfer Ewan 1934-7-16 8503 Plumas Mt. Elwell trail above Bear Lakes 1981 Comment
  CAS-BOT-BC103878  Salix exigua Greg Sommers 1976-6-12 119 Plumas Along Dyson Lane, 100 meters west of metal Bridge 1524 Comment
  CAS-BOT-BC103885  Salix exigua John Thomas Howell 36928 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC103887  Salix exigua W. R. Dudley 1909-8-25 s.n. Plumas Sierra Valley Comment
  UC525904  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather R. ca. 5 mi s.w. of Prattville Comment
  CHSC110599  Salix jepsonii B. Castro; L. Janeway 2006-6-3 1575 Plumas Northern High Sierra Nevada. NE side of Lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  RSA502885  Salix laevigata J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54338 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CAS-BOT-BC125304  Salix lasiandra var. lasiandra David D. Keck 1932-7-3 1658 Plumas Meadow south of Spanish Creek, Quincy, in the Northern Sierra Nevada 1065 Comment
  CHSC112117  Salix lasiandra var. lasiandra L. P. Janeway 2014-7-15 11555 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  JEPS102788  Salix lasiandra var. lasiandra Lowell Ahart 2001-6-4 8757 Plumas 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
  JEPS107733  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2005-9-19 12369 Plumas On the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  JEPS14868  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-29 Plumas along hwy. through Meadow Valley Comment
  CAS-BOT-BC128428  Salix lasiolepis var. lasiolepis Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC80689  Salix lasiolepis var. lasiolepis Lowell Ahart 2001-6-4 8756 Plumas Overflow area on the north side 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, about 5 miles (air) northeast of La Porte. 1594 Comment
  CHSC97167  Salix lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14036 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  RSA11885  Salix lemmonii Elmer I. Applegate 1929-6-21 5784 Plumas Between Kelly's Camp and Drakesbad. Comment
  UC482041  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 397 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CHSC37019  Salix lucida subsp. lasiandra M. S. Taylor 1982-5-16 4454 Plumas Ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  CAS-BOT-BC129352  Salix melanopsis unspecified 1931-5-27 7 Plumas Plumas Meadows Comment
  CAS-BOT-BC129388  Salix melanopsis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54335 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road - Sierra Nevada 1341 Comment
  CAS-BOT-BC129397  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
  CDA14755  Salix melanopsis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3316 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite 1341 Comment
  JEPS122298  Salix melanopsis Lowell Ahart 2014-8-31 19810 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  SBBG57919  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 396 Plumas N Fork of Feather River, at Chester 1350 Comment
  UC482040  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 395 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  CAS-BOT-BC129395  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
  CAS-BOT-BC129096  Salix scouleriana Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1834 Plumas Butterfly Canyon - Butterfly Botanical Area and vicinity. Comment
  UC1135084  Salix scouleriana E. Sawyer 1935-6-25 147 Plumas 1 1/2 mi. s.-s.w. Crow; Plumas Nat'l Forest, Sierraville Quadrangle Comment
  UC1229868  Salvia aethiopis T. C. Fuller 1962-6-13 8998 Plumas Duensing property, Rt. 1, Box 7, North Road Indian Valley (2 mi E of Greenville) Comment
  CHSC64082  Sambucus mexicana B. Castro; R. A. Schlising 1987-7-21 178 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  UCD19145  Sambucus microbotrys W. B. McHenry 19__? s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC238841  Sambucus nigra subsp. caerulea Anna Head 1921-8-8 s.n. Plumas Above road from Lake Center Camp to Gold Lake, Feather River Region Comment
  CAS-BOT-BC238844  Sambucus nigra subsp. caerulea Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, near Green Lake, Feather River Region 1920 Comment
  RSA83055  Sanicula Alva Grant, Verne Grant 1948-6-13 8585 Plumas 1 mile from Cascade road to Oroville. Comment
  CAS-BOT-BC466216  Sarcodes sanguinea Marion Ownbey; Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada Comment
  CDA38883  Sarcodes sanguinea R. Wilkey 1959-5-16 2380 Plumas Buck s Lake. 0 Comment
  SEINET10483035  Saxifraga aprica Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4472 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  RSA41968  Saxifraga californica Ella Dales Cantelow 1940-5-12 3522 Plumas Feather River Canyon. SW of Belden. Hwy 24. Comment
  UC1609266  Saxifraga oregana Vernon H. Oswald and Lowell Ahart 1993-8-3 5763 Plumas 0.25 mi e of Hay Meadow (on s edge of the Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor, at unnamed lake); Caribou Wilderness 1926 Comment
  UC570927  Saxifraga oregana Herbert L. Mason 1926-6-18 1047 Plumas n of Graeagle Comment
  SEINET3991573  Schoenolirion Unknown 1940-6-25 Plumas Butterfly Valley 1219 Comment
  SEINET3991677  Schoenolirion Unknown 1941-8-5 Plumas Keddie 1067 Comment
  CAS-BOT-BC35576  Scirpus congdonii Anna Head 1921-7-1 s.n. Plumas near Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC35588  Scirpus congdonii John Thomas Howell 1962-6-17 37650 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC35577  Scirpus congdonii 1975-5-30 s.n. Plumas Sweet Water Glen, Butterfly Botanical Area Comment
  CAS-BOT-BC35579  Scirpus congdonii John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester 1889 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  JEPS64014  Scirpus diffusus W. L. Jepson 1927-6-23 12313 Plumas Warner Creek Valley 1584 Comment
  CAS-BOT-BC111007  Scirpus microcarpus Alice Eastwood 1927-6-13 14547 Plumas Forest Lodge near Greenville Comment
  RSA239264  Scirpus microcarpus Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42330 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  CAS-BOT-BC111005  Scirpus microcarpus Lloyd W. Swift 1934-7-7 96 Plumas Willow Creek sheep trough 1889 Comment
  SEINET8020032  Scutellaria angustifolia subsp. micrantha A. A. Heller, P. B. Kennedy 1907-7-11 8798 Plumas Sierra Nevada, Prattville. Comment
  UC450431  Scutellaria bolanderi subsp. bolanderi J. G. Lemmon 404 Plumas Indian Valley; Indian Valley, High Sierra Comment
  CAS-BOT-BC214247  Scutellaria nana Michael A. Vincent 1999-6-8 8557 Plumas Along FS 26N16 between FS 26N17 and Doyle's Crossing Bridge, Plumas National Forest, Milford Range District 1402 Comment
  JEPS62880  Scutellaria siphocampyloides R. H. Platt 1891-1 Plumas Prattville; The Sierras, Prattville Comment
  UC450430  Scutellaria tuberosa J. G. Lemmon Plumas Indian Valley; High Sierra, Indian Valley Comment
  CAS-BOT-BC418394  Sedum John Thomas Howell; H. Keith Wagnon 1980-5-28 53703 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River 853 Comment
  CAS-BOT-BC61497  Sedum albomarginatum Arthur Menzies 1951-8-19 s.n. Plumas Grown from plant collected at Canyon of N. Fork of Feather River, Hwy. US Alt. 40. 365 Comment
  SEINET10449670  Sedum obtusatum subsp. boreale Mary Susan Taylor 1982-7-12 Taylor 4823 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  CAS-BOT-BC63846  Sedum spathulifolium Mary Strong Clemens 1920-6-25 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC63847  Sedum spathulifolium Mary Strong Clemens 1919-11-1 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC63849  Sedum spathulifolium John Thomas Howell 1962-6-16 37634 Plumas Lewisia Rock, North Fork Feather River 640 Comment
  CAS-BOT-BC363367  Senecio aronicoides L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CHSC65092  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1995-7-24 7116 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC89472  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 203 Plumas Located in the Quincy District of the Plumas National Forest, above Middle Campground, Feather River Canyon. 1463 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
  CDA8654  Senecio integerrimus var. major G. D. Barbe 1982-6-9 3670 Plumas Plumas National Forest, south slope of Thompson Peak summit, along road to lookout. Comment
  CAS-BOT-BC364394  Senecio triangularis John Thomas Howell 1960-7-18 35531 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC102143  Sericocarpus oregonensis Lowell Ahart; John Dittes 2009-7-27 16183 Plumas On dry soil, about 20 yards north of the poor dirt road, about 10 yards west of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CAS-BOT-BC240246  Setaria viridis John Thomas Howell 1961-9-22 36806 Plumas Greenville 1088 Comment
  CAS-BOT-BC213138  Sidalcea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54111 Plumas 10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada 1889 Comment
  UCD19154  Sidalcea June McCaskill 19__? 329 Plumas Lake Almanor region? Comment
  CHSC95026  Sidalcea gigantea Lowell Ahart 2006-10-23 13461 Plumas Along a small seep, on the north side of the road to the dam across Slate Creek, about 100 yard north of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  POM282878  Sidalcea glaucescens Lyman Benson 1932-7-29 3980 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  SEINET2442081  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester.; 0 1463 Comment
  CHSC62568  Sidalcea oregana subsp. spicata B. Castro; L. P. Janeway 1987-7-17 137 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  POM282917  Sidalcea oregana subsp. spicata Lyman Benson 1932-7-29 3981 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UC120154  Silene californica Mrs. R. M. Austin 1880-8-9 196 Plumas Spanish Peak Comment
  CAS-BOT-BC386989  Silene douglasii John Thomas Howell; Gordon H. True 1967-7-11 43353 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC386990  Silene douglasii John Thomas Howell 1951-6-28 27711 Plumas Eureka Peak 2255 Comment
  CAS-BOT-BC386992  Silene douglasii Clare B. Hardham 1975-8-2 20451 Plumas Black Mt. 2133 Comment
  CHSC43414  Silene douglasii Lowell Ahart 1979-7-18 1975 Plumas East of the road, about 1/8 mile south of Onion Valley, about 1 mile north-west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CHSC109552  Silene douglasii var. douglasii L. P. Janeway 2012-7-17 10949 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1728 Comment
  CAS-BOT-BC181293  Silene invisa Wayne Dakan 1975-7-20 s.n. Plumas Little Bear Lake, ca. q mi. nw of Gold Lake - Sierra Nevada 2042 Comment
  CAS-BOT-BC389384  Silene lemmonii John Thomas Howell 1960-7-20 35715 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA245247  Silene lemmonii John Pratt 1970-6-25 40 Plumas [Unspecified] 1707 Comment
  UC1075739  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek , 4th Water Bear Creek (Middle Fork Feather River) 1554 Comment
  UC595082  Silene nuda David D. Keck 1938-8-9 4896 Plumas 1 mi w Portola; w of Portola 1480 Comment
  CAS-BOT-BC181366  Silene occidentalis John Thomas Howell 1951-6-27 27557 Plumas Johnsville - Sierra Nevada 1584 Comment
  JEPS103592  Silene occidentalis subsp. occidentalis Lowell Ahart 2002-6-26 9779 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
  CAS-BOT-BC389614  Silene sargentii Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) 2042 Comment
  CDA33247  Sisyrinchium bellum L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  SEINET3814481  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Plumas Prattville 1372 Comment
  UC1032499  Sisyrinchium bellum E. Sawyer 1935-6-7 81 Plumas 3 3/4 mi ssw of Sugarloaf 1493 Comment
  UCSB46172  Sisyrinchium idahoense Reisentz, Paul 1979-5-12 Plumas Found at Indian Creek at the junction of Hwy 70 and Hwy 89 Comment
  CHSC44251  Sium suave Vernon Oswald 1988-7-19 3591 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  UCSB45743  Solanum parishii Reisentz, Paul 1979-5-12 Plumas 1 mile north of Injun Jim Campground on Highway 70, 5.7 miles south of Beldon Comment
  JEPS102317  Solanum umbelliferum Lowell Ahart 2001-6-4 8752 Plumas 4 1/2 air miles N of La Porte (W side of the dirt road, W of South Fork of the Feather River, about 1/4 mi N of Little Grass Valley Reservoir) 1584 Comment
  SD46771  Solidago canadensis subsp. elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy. 1035 Comment
  CHSC34924  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
  JEPS32379  Solidago elongata W. L. Jepson 1918-8-16 8005 Plumas Engels, Lights Creek 1341 Comment
Read comments
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  UC1999885  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9305 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  RSA151672  Solidago lepida var. salebrosa R. C. Bacigalupi, J. R. Sweeney 1953-8-31 4349 Plumas Northern limits of Taylorsville. 1080 Comment
  CHSC62434  Solidago velutina subsp. californica L. P. Janeway 1993-9-1 4576 Plumas Plumas National Forest. Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. Dirt road cutbank and road edge. 914 Comment
  RSA59304  Sorbus californica E. K. Balls 1950-9-12 15786 Plumas 1.5 miles along trail from Lakes Center Public Campground towards Long Lake outlet. (Southern Plumas Co) 2012 Comment
  JEPS121383  Sorbus scopulina P. F. Zika & B. Wilson 2011-8-5 25720 Plumas Bucks Lake Road, 0.9 road miles E of Grizzly Summit Comment
  JEPS124138  Sorbus scopulina Lowell Ahart, John Deurloo 2015-8-25 20525 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  SEINET264263  Sorbus sitchensis S. Gessel 1940-5-22 Plumas Spainish Peak Trail Comment
  HSC32084  Sparganium angustifolium R. F. Thorne, C. W. Tilforth 1969-9-6 39235 Plumas Along Feather River, 1 mi. SW of Beckwourth 1357 Comment
  CAS-BOT-BC390060  Spergularia W. Harnach; N. Harnach 1990-4-18 258 Plumas Sierra Valley. Marble hot well 1487 Comment
  CAS-BOT-BC390072  Spergularia atrosperma John Thomas Howell 1961-9-24 36909 Plumas Feather River bed southwest of Beckwourth 1487 Comment
  JEPS110532  Spergularia rubra Lowell Ahart 2006-10-23 13480 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 40 yards south of where the road ends, about 10 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  RSA0098102  Spergularia rubra R. Weatherby 1955-7-2 1587 Plumas Wilcox Valley. 1768 Comment
  SEINET10537502  Spergularia rubra Mary Susan Taylor 1982-9-7 Taylor 5104 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
  SJSU14212  Sphaeromeria potentilloides N. A. Hopkins 1989-5-27 1497 Plumas near Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CHSC57116  Sphenosciadium capitellatum L. P. Janeway 1991-8-4 4129 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
  SEINET3157051  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas southern Plumas county; Lakes Center Public Campground 2042 Comment
  CAS-BOT-BC149655  Spiraea douglasii Rimo Bacigalupi 1927-7-12 1727 Plumas Along Feather River near [Keddid] Keddie Comment
  CAS-BOT-BC149657  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC149660  Spiraea douglasii Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC149662  Spiraea douglasii Alice Eastwood 1927-6-1 14693 a Plumas Greenville, United States Forest Reserve Comment
  POM274918  Spiraea douglasii Lyman D. Benson 1932-7-29 4004 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA519220  Spiraea douglasii M. Lee Overholtzer 1961-8-24 187 Plumas Queen Lily Camp Ground on N Fork of Feather River. Sierra Nevada Mtn range. Feather River drainage. 737 Comment
  CAS-BOT-BC152535  Spiraea splendens Anna Head 1920-7-23 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC13626  Stachys ajugoides var. rigida M. S. Taylor 1974-7-3 300 Plumas Ca. 25 ft e of road, opposite Darlingtonia Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  JEPS122100  Stachys rigida var. rigida Lowell Ahart 2014-8-24 19745 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC175329  Stellaria borealis subsp. sitchana John Thomas Howell 1960-7-21 35846 Plumas NW. of Willow Lake, Lassen Volcanic National Park 1676 Comment
  CHSC100046  Stellaria crispa Lowell Ahart 2008-7-16 15094 Plumas Near the northwest edge of a small meadow (swamp), about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1563941  Stellaria longipes var. longipes Barbara Ertter 1989-7-4 8689 Plumas 4.2 mi w Highway 89 junction with Highway 36 (Coyote Flat, w of Lake Almanor); Coyote Flat 1524 Comment
  CDA3546  Stellaria neglecta L. P. Janeway 1996-5-7 4960 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CAS-BOT-BC5618  Stenotus acaulis A. A. Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley Comment
  UC1118619  Stenotus acaulis C. W. Hanks 1934-9-10 76 Plumas S. end of Dixie Mtn. 1950 Comment
  CAS-BOT-BC375616  Stephanomeria lactucina John Thomas Howell 1924-8-11 632 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  SEINET10523017  Stipa lemmonii Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1084 Plumas Coll 2.2 mi from Jct of Hwy 89 and 70. Douglas fir, Libocedrus, and Quercus along Hwy 89. Comment
  SEINET10610749  Stipa occidentalis Frederick J. Hermann 1955-7-27 Hermann 11950 Plumas Arid, grassy sagebrush slope, schoolyard. Beckwith Comment
  CAS-BOT-BC87800  Streptanthus tortuosus M. S. Taylor 1982-7-21 4899 Plumas Summit of Little Volcano, ca. 5 miles southeast of Quincy. 1767 Comment
  JEPS26686  Streptanthus tortuosus P. C. Hutchison 1961-6-9 2120 Plumas along hwy US Alt. 40 at bridge 2 mi s of (below) Rich Bar; Canyon of the north fork of the Feather River Comment
  CDA979  Streptanthus tortuosus var. orbiculatus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .286 Plumas Plumas Eureka State Park. S Johnsville Comment
  JEPS87620  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas n side of trail about 3/4 mi (air) s. Pilot Peak; Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  CHSC47590  Streptopus amplexifolius var. americanus Lowell Ahart 1981-6-23 2865 Plumas Along the south bank of the West Branch of Hopkins Creek, west of Blue Nose Mountain, about 12 miles north-east of La Porte. 1676 Comment
  CAS-BOT-BC271694  Symphoricarpos albus var. laevigatus John Thomas Howell; Gordon H. True 1969-6-23 45839 Plumas 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  RSA795593  Symphoricarpos albus var. laevigatus L. P. Janeway 2010-8-4 10134 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Highway 70 and East Fork North Fork Feather River. 944 Comment
  UC169747  Symphoricarpos albus var. laevigatus H. M. Hall Jul 1912 9388 Plumas Nelson Point; Sierra Nevada Mountains 1249 Comment
  CAS-BOT-BC237012  Symphoricarpos mollis John Thomas Howell; Walter Knight; Irja Knight 1966-7-27 1647 Plumas Near road in upper part of Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  CDA18446  Symphoricarpos mollis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3174 Plumas Sierra Nevada; 2.0 miles south of jct Long Valley and Rush Creek Roads; 4.0 miles north of Hwy 70 at Grays Flat. 1447 Comment
  UCD169796  Symphyotrichum bracteolatum L. P. Janeway; John Dittes 2009-8-28 16353 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476