Search Results — 2000 specimen records retrieved (1454 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
  NY201866  Abies concolor J. B. Walker 1994-8-4 876 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA232720  Abies concolor Larry E. DeBuhr, Gary Wallace 1972-5-21 602 Plumas Plumas National Forest, along Highway 89 by west shore of Lake Almanor. 1402 Comment
  CAS-BOT-BC330956  Acer glabrum var. glabrum Lewis S. Rose 1969-6-23 69042 Plumas 8 mi SW of Quincy, La Porte Road 1310 Comment
  CAS-BOT-BC330984  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  UC566070  Acer glabrum var. glabrum C. G. Albertus 1935-8-13 261 Plumas 2 1/4 mi n Cates; Downieville Quad., n of Cates 2133 Comment
  RSA31122  Acer glabrum var. torreyi A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  RSA755325  Acer macrophyllum L. Ahart, John Dittes 2009-7-13 16047 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CAS-BOT-BC210688  Achnatherum lemmonii John Thomas Howell 1955-7-19 30766 Plumas Beckwourth 1493 Comment
  UCD50590  Achnatherum lemmonii Beecher Crampton 1954-5-10 1864 Plumas 1.5 miles northeast of Portola, Plumas County. 1524 Comment
  JEPS113738  Achnatherum nevadense Lowell Ahart, John Dittes 2007-6-17 14156 Plumas On dry bare rocky soil, on a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 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) 1654 Comment
  CAS-BOT-BC216881  Achnatherum occidentale John Thomas Howell 1960-7-19 35670 Plumas Drakesbad 1828 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-BC210926  Achnatherum occidentale subsp. pubescens John Thomas Howell 1967-6-23 42721 Plumas Canyon of the East Branch of Feather River 2 miles east of Twain Comment
  UCD32652  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-5 2045 Plumas Plumas County, 1.5 miles north of Greenville, along highway 89. 1127 Comment
  CAS-BOT-BC218039  Achnatherum stillmanii Lowell Ahart 1980-7-27 2487 Plumas E of Four Water Creek 1500 Comment
  SEINET3523240 Image available Acmispon aestivalis A. A. Heller 1938-7-2 15242 Plumas Feather River Highway near Gray's Flat 869 Comment
  CHSC40854  Acmispon americanus var. americanus K. R. Stern 1985-6-25 8271 Plumas East side of highway 70, vicinity of Blairsden. 1371 Comment
  UCD103839  Acmispon americanus var. americanus John Thomas Howell 1960-7-18 35568 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC37017  Acmispon nevadensis M. S. Taylor 1982-6-14 4665 Plumas N side of Genesee Valley Rd (112) , ca. 2 mi w of Genesee. 1127 Comment
  SD8183  Aconitum columbianum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA29845  Aconitum columbianum var. columbianum Joseph A. Ewan 1934-7-18 8545 Plumas Middle Fork, Feather River at Portola Comment
  CAS-BOT-BC412887  Aconogonon davisiae M. S. Taylor; H. Swanson 1982-8-11 4965 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville 2133 Comment
  CHSC33781  Aconogonon phytolaccifolium M. S. Taylor 1981-7-17 4033 Plumas Bear Lakes Trail in Lakes Basin, ca. 0.5 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk. 1981 Comment
  CHSC6571  Aconogonon phytolaccifolium R. Carter 1966-7-10 480 Plumas Found Bucks Lake along E side Oroville-Quincy Rd. on S side of lake, 200 yds. S of lodge, growing along moist road bank. 1524 Comment
  UCD19138  Aconogonon phytolaccifolium W. B. McHenry 1990-8-7 s.n. Plumas Bucks Lake. 1584 Comment
  CAS-BOT-BC418803  Aconogonon phytolaccifolium L. W. Swift 1934-7-5 86 Plumas Plumas National Forest. Finger Board 2011 Comment
  SEINET3870080  Adiantum aleuticum D. W. McNeal 1996-7-29 4188 Plumas Just above Fern Falls on Gray Eagle Creek, Plumas Nat. For.; 0 Comment
  SEINET5338312  Adiantum pedatum M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls above Johnsville on Jamison Creek. 1859 Comment
  RSA699794  Agastache urticifolia L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11161 Plumas About 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2140 Comment
  CHSC75444  Ageratina occidentalis G. F. Hrusa; T. D. Wilfred 1996-8-2 13423 Plumas Sierra Nevada. Old walkway to lookout on Argentine Rock - 1/2 mile W of Pine Creek Valley. 2200 Comment
  CHSC97306  Ageratina occidentalis Lowell 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. 2416 Comment
  CAS-BOT-BC29599  Agoseris X dasycarpa Ben Beard; J. D. Schoeller 1928-5-28 400 Plumas Plumas National Forest, 1 mi SE Plinco Mine Last Chance 1676 Comment
  SEINET6709858 Image available Agoseris glauca var. laciniata H. Hamlin s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC22916  Agoseris heterophylla John Thomas Howell 1961-6-21 36637 Plumas Greenville 1097 Comment
  CAS-BOT-BC22921  Agoseris heterophylla John Thomas Howell 1951-6-27 27578 A Plumas Johnsville 1584 Comment
  UCD107494  Agoseris heterophylla Tim Kuhn 2006-6-23 40 Plumas near Bagley Pass. Comment
  CAS-BOT-BC13247  Agoseris monticola Milo S. Baker 1926-8-29 321 C Plumas Upper Lee's Camp Comment
  CAS-BOT-BC13439  Agoseris retrorsa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity, between valley proper and Darlingtonia bog. 1066 Comment
  UCSB16053  Agoseris retrorsa 1962-6-12 Plumas On bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC13432  Agoseris retrorsa Gladys L. Smith 1976-6-7 4556 Plumas Route 70, Spring Grarden Station, 6 miles east of Quincy. 1219 Comment
  CAS-BOT-BC127595  Agropyron cristatum John Thomas Howell 1955-7-19 30749 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC127089  Agrostis exarata John Thomas Howell 1926-7-26 2126 Plumas Near Prattville. 1371 Comment
  JEPS122184  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. Comment
  CAS-BOT-BC139619  Agrostis gigantea W. R. Dudley 1909-8-26 s.n. Plumas Sierra Valley. East of Hot Springs. Comment
  CDA13992  Agrostis gigantea G. F. Hrusa, T. D. Wilfred 1996-7-23 13404 a Plumas Sierra Nevada; Snake Lake, approx. 5 mi. WNW of Quincy. Slightly moist shoreline in shade of conifers. W side of lake, near main camps. Comment
  CDA17224  Agrostis pallens G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16327 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  JEPS68385  Agrostis pallens W. L. Jepson 1924-7-22 10626 Plumas Rich Point Middle Fork Feather River, Dogwood Creek 1127 Comment
  RSA215971  Agrostis pallens J. T. Howell 1957-6-30 32793 Plumas Hunters Point Comment
  RSA59661  Agrostis scabra E. K. Balls 1950-9-9 15731 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  UCD53364  Agrostis scabra R. Tofsrud 1948-7-1 s.n. Plumas 1 mi. N. of Quincy. Comment
  CHSC24254  Agrostis stolonifera K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  CHSC81175  Agrostis stolonifera Lowell Ahart 2001-8-28 9192 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  JEPS107622  Agrostis stolonifera Lowell Ahart, Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CAS-BOT-BC445449  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  CAS-BOT-BC131950  Allium Catherine Best 1980-6-13 s.n. Plumas Hwy. A23 - 3 mi south of Beckwourth Comment
  CAS-BOT-BC459424  Allium acuminatum John Thomas Howell; Gordon H. True 1967-7-11 43295 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough, Sierra Nevada 1249 Comment
  CAS-BOT-BC459459  Allium bisceptrum Anna Head 1921-7-20 s.n. Plumas Trail head Round Lake, Feather River region Comment
  CHSC21331  Allium campanulatum F. T. Griggs; A. Pass 1975-7-8 102 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC46522  Allium campanulatum Lowell Ahart 1974-7-3 512 Plumas Along Bunker Hill Ridge, near Mount Etna, about 12 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC466610  Allium campanulatum Hans Leschke 1954-7-3 s.n. Plumas 1/4 miles southeast of Boiling Springs Lake in dry soil 1859 Comment
  CAS-BOT-BC466621  Allium campanulatum David D. Keck 1932-7-3 1630 Plumas Quincy. Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC466701  Allium campanulatum Anna Head 1921-7-7 s.n. Plumas Near Blairsden. Feather River region Comment
  SEINET10472037  Allium campanulatum Mary Susan Taylor 1981-6-15 Taylor 3905 Plumas T24N R8E ne/se sec 1, Bucks Lake NE quad; jct of 24N27 (a loop around Smith lake), ca. 2 mi N of its jct with Bucks Lake Rd, ca. 3 mi NE of Meadow Valley; elevation ca. 3800 ft. 1158 Comment
  SEINET8119077  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-3 8708 Plumas Hills above Red Clover Valley. Comment
  UC170935  Allium campanulatum H. M. Hall 1912-7-11 9338 Plumas Mt. Elwell Sierra Nevada Mountains, Mt. Elwell 2103 Comment
  UCD143205  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  CAS-BOT-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC472813  Allium obtusum Margaret Williams; Emily McPherson 1974-8-5 74 -P-4 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin, Sierra Nevada 2072 Comment
  CHSC43781  Allium platycaule Vernon Oswald 1984-6-25 1329 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 Comment
  CAS-BOT-BC474092  Allium platycaule W. Harnach; N. Harnach 1990-5-12 289 Plumas Sierra Valley, Wilson brothers ground, south of Marble Lane, on Co. Rd A-23. (the rock pile) 1514 Comment
  CAS-BOT-BC474093  Allium platycaule G. D. Barbe 1982-6-9 3657 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  SEINET10471992  Allium platycaule Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4200 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
  SEINET14407802  Allophyllum gilioides subsp. violaceum H. Hamlin 1904-1 1524 Plumas Sierra Valley. Comment
  CHSC44310  Allophyllum integrifolium Lowell Ahart 1974-7-30 567 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
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 Comment
  CAS-BOT-BC171362  Alnus incana subsp. tenuifolia David D. Keck 1932-7-3 1652 Plumas Meadow S of Spanish Creek. Quincy. Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC171363  Alnus incana subsp. tenuifolia David D. Keck 1932-7-3 1652 Plumas Meadow S of Spanish Creek. Quincy. Northern Sierra Nevada 1065 Comment
  CHSC21097  Alnus incana subsp. tenuifolia F. T. Griggs; A. Pass 1975-7-3 75 Plumas N. of Grizzly Forebay. Buck's Lake Forest Service Survey. Comment
  RSA59689  Alnus incana subsp. tenuifolia E. K. Balls 1950-9-9 15758 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  UCD109976  Alnus incana subsp. tenuifolia W. B. McHenry 1961-8-20 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC170696  Alnus rhombifolia John Thomas Howell 1959-9-24 34943 Plumas Spanish Creek at mouth of Butterfly Creek. Sierra Nevada 883 Comment
  UCD110008  Alnus rhombifolia John Thomas Howell 1959-9-24 34943 Plumas Spanish Creek at mouth of Butterfly Creek. 883 Comment
  SEINET11688364  Alopecurus aequalis Unknown 1985-1 5098 Plumas ca 4.25 mi NE of La Porte, Little Grass Valley Res. where South Fork of Feather River flows in lake 1585 Comment
  CAS-BOT-BC138119  Alopecurus aequalis var. aequalis Lowell Ahart 1981-8-7 3022 Plumas Sierra Nevada. Lake ca. 1 mile northeast of Pilot Peak, along the dirt road from Onion Valley to Hopkins Creek, ca. 16 miles northeast of La Porte. Comment
  CAS-BOT-BC137995  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  RSA129208  Alopecurus geniculatus E. Sawyer 1935-6-6 77 Plumas 5 1/4 miles S.S.W. of Sugarloaf. Sierraville. Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  UCD149817  Alopecurus pratensis William Anderson 1965-5-8 s.n. Plumas Crescent Mills. Comment
  CHSC50813  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-7-25 4401 Plumas Vinton Cemetery on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  CHSC94862  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola. 1487 Comment
  JEPS120755  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  CHSC61611  Amelanchier alnifolia Arthur C. Barrett 1915-6-14 5 Plumas Boulder Cr. Ranger Sta. Pasture. 1645 Comment
  CHSC60139  Amelanchier pallida L. P. Janeway; Garrett Gibson 1992-6-16 4236 Plumas Plumas National Forest. About 0.5 mi north-northwest of Beckwourth Peak and 2.5 mi south-southeast of Portola. 1889 Comment
  CAS-BOT-BC136775  Amelanchier utahensis W. R. Dudley 1909-8-29 s.n. Plumas Hot Springs, Sierra Valley Comment
  CAS-BOT-BC136781  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1969-6-24 2435 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area. Along roadside, Highway 70 883 Comment
  CAS-BOT-BC136787  Amelanchier utahensis Walter Knight; Irja Knight 1967-5-22 1908 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC136790  Amelanchier utahensis Anna Head 1921-6-25 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC136802  Amelanchier utahensis L. P. Janeway; Garrett Gibson 1992-6-16 4236 Plumas About 0.5 mi north-northwest of Beckwourth Peak and 2.5 mi south-southeast of Portola 1889 Comment
  CAS-BOT-BC136803  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1400 Plumas Adjacent to Pond reservoir 1097 Comment
  CAS-BOT-BC64276  Anaphalis margaritacea Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lakes Region Comment
  UC485802  Anaphalis margaritacea H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET11842082  Anaphalis margaritacea M. S. Taylor 1982-1 4951 Plumas T26N R8E ne/ne sec 4. Almanor NE quad. End of spur rd off Seneca Rd (306), at Salmon Cr., .. 1524 Comment
  CAS-BOT-BC391930  Anemone lyallii Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  SD50758  Angelica arguta var. breweri Darley F. Howe 1959-8-3 2784 Plumas Thirty miles north of Quincy on Hwy 89. 1370 Comment
  HSC101687  Angelica breweri Dillon North Davis 2013-6-20 25 Plumas 7.4 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1600 Comment
  CDA14139  Antennaria argentea G. F. Hrusa 1997-5-3 13829 Plumas Sierra Nevada; Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  UC336310  Antennaria geyeri unknown 1883-7-1 Plumas Indian Valley Comment
  CAS-BOT-BC58708  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Saddle just E of Squaw Valley Peak along the Beckwourth-to-Laufman Road 1905 Comment
  JEPS7474  Antennaria geyeri Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3483 Plumas 1/2 mi e of the town limits Portola 1493 Comment
  SJSU14195  Antennaria luzuloides N. A. Hopkins 1989-6-7 1520 .5 Plumas Squaw Valley 1706 Comment
  CHSC21818  Antennaria rosea subsp. rosea F. T. Griggs; A. Pass 1975-7-23 244 Plumas Cape Lake. Bucks Lake Forest Service Survey. Comment
  CHSC72294  Antennaria umbrinella L. P. Janeway; Glenn Clifton 1998-7-9 5732 Plumas Near the head of Pierce Creek; north side of Diamond Mtn Motorway 0.3 mi east of Wheeler Sheep Camp. 1990 Comment
  UC584271  Antennaria umbrinella G. L. Stebbins Jr. and J. A. Jenkins 1937-7-10 2312 Plumas w of head of Stony Ridge 1828 Comment
  SD120891  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-6 367 Plumas 5.4 miles SE on Beckwourth-Greenville Road from Taylorsville Park Campground entrance and junction with Arlington Road. About 2 miles west of Genesee; across the road from Indian Creek at about the place where Little Grizzly meets it. 1134 Comment
  UC1005693  Apocynum androsaemifolium Frank W. Gould 1938-6-26 439 Plumas 5 mi. n. Blairsden 1350 Comment
  UC1123479  Apocynum androsaemifolium C. G. Albertus 1935-7-20 217 Plumas 1 12/ mi. s.w. Lava Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  UCR123996  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2001-7-6 6853 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  RSA21707  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1937-8-7 s.n. Plumas 3.3 mi NW of Greenville 1220 Comment
  RSA31685  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-7-2 s.n. Plumas 3 miles east of Quincy. 1098 Comment
  SD7972  Aquilegia Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  CAS-BOT-BC397894  Aquilegia formosa Lowell Ahart 1979-7-18 s.n. Plumas Ca 1 mi. W of Pilot Pk. 2000 Comment
  CHSC11354  Aquilegia formosa Lowell Ahart 1968-6-29 Plumas Six miles N.E. of La Porte. 1371 Comment
  UC1125883  Aquilegia formosa A. Lewis 1934-6-12 478 Plumas 2 mi sw Fewler Peak; Downieville quad 1615 Comment
  SEINET10965675  Aquilegia formosa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4335 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET5337615  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  RSA122699  Aquilegia formosa var. truncata E. Sawyer 1935-6-24 139 Plumas 4.5 miles E of Crow, Sierraville. Comment
  HSC73108  Arabis constancei M. S. Taylor 1981-5-8 3649 Plumas Junction of roads 26N18, 26N92 and 27N92, 0.5 mi. E of Long Valley Mine, 4 air mi. W of Greenville 1616 Comment
  SEINET10448419  Arabis constancei Mary Susan Taylor 1981-8-25 Taylor 4237 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  SEINET10448418  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4467 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  SEINET10874432  Arabis constancei Mary Susan Taylor 1981-6-22 Taylor 3942 Plumas T25N R8E se/ne sec 33 and sw/nw sec 34. Bucks Lake quad. Rocky serpentine outcrops on ridgetop, N side of 25N57, ca. 1.5 mi E of its jct with 25N17, ca. 4 air mi NW of Meadow Valley. 5100 ft. elev. 1554 Comment
  SEINET10448238  Arabis drummondii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4330 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CDA18766  Arabis holboellii var. retrofracta G. D. Barbe, T. C Fuller 1982-7-16 3750 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CDA14710  Arabis rectissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3221 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  CHSC105612  Aralia californica L. P. Janeway 2010-8-4 10133 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Hwy 70 and East Fork North Fork Feather River. 944 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  CAS-BOT-BC407695  Arceuthobium americanum Anna Head 1921-7-7 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC101920  Arceuthobium californicum Lowell Ahart; John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  CHSC43231  Arceuthobium campylopodum Lowell Ahart 1987-9-18 5888 Plumas About 4 miles southeast of Cascade, on a part of the Lava Cap, northeast of Feather Falls. 1341 Comment
  CHSC67445  Arceuthobium campylopodum James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2563 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  SEINET10969531  Arceuthobium campylopodum Mary Susan Taylor 1981-8-5 Taylor 4160 Plumas T28N R12E se 1/4 sw 1/4 sec 32. Kettle Rock quad. At jct of Pierce & Indian Creeks, ca. 1 mi N of Fruit Growers Blvd. ca. 2 air mi W of Antelope Lake. Granitic soils. 5500 ft. 1676 Comment
  UC1185282  Arceuthobium douglasii H. E. Brown Aug 15 1897-Aug 31 1897 675 Plumas Lassen Buttes 1828 Comment
  CDA20455  Arctostaphylos mewukka B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  UC1408974  Arctostaphylos mewukka R. F. Thorne and C. W. Tilforth 1969-9-6 39222 Plumas on Gold Lake Rd. ca 2.5 mi s Graeagle 1645 Comment
  CAS-BOT-BC40008  Arctostaphylos nevadensis John Thomas Howell; Gordon H. True 1967-7-11 43345 Plumas Summit ridge of Mt. Hough 2194 Comment
  RSA239229  Arctostaphylos patula R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth, K. Thorne 1972-9-20 42354 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  RSA634255B  Arctostaphylos truei Walter Knight, Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  SEINET10537552  Arenaria aculeata Mary Susan Taylor 1981-6-17 Taylor 3922 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  SEINET10965520  Arenaria aculeata Mary Susan Taylor 1981-5-14 Taylor 3723 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
  SEINET10537556  Arenaria kingii var. glabrescens Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4321 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UCD107498  Arnica chamissonis Tim Kuhn 2006-6-20 44 Plumas adjacent to Crocker Guard Station. Comment
  JEPS120472  Arnica cordifolia B. Castro 2006-6-9 1577 Plumas Northern High Sierra Nevada. N-facing slopes overlooking Red Clover Valley, 0.7 rd mi NW of Bagley Pass and ca 1.6. rd mi S of the Beckwourth-Genesee Rd, on both sides USFS Rd 24N08 (Bagley Pass Rd). Comment
  SBBG7585  Arnica cordifolia H. and M. Dearing 1939-5-9 3314 a Plumas near Blairsden on Sierra City Rd Comment
  RSA724857  Arnica cordifolia B. Castro, Samantha Hillaire 2005-7-7 1488 Plumas Ca. 7 air mi SW of Bucks Lake and 1.5 air mile SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jct of the 'D' spur road. 1585 Comment
  CHSC82525  Arnica dealbata L. P. Janeway 2001-7-3 7271 Plumas Northern High Sierra Nevada. Ridge top between head of Third Water Creek and Grizzly Creek/Middle Fork Feather River; along Road 24N28 0.6 km from Road 23N16. 1756 Comment
  CAS-BOT-BC82499  Arnica discoidea John Thomas Howell 1976-7-15 51865 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  JEPS94511  Arnica discoidea Vernon Oswald and Lowell Ahart 1997-9-18 8883 Plumas ca. 1 mi w of the s end of Butt Valley Reservoir (Forest Road 26N36 at its intersection with 26N74); Forest Road 26N36 1396 Comment
  CAS-BOT-BC82511  Arnica discoidea David D. Keck 1932-7-3 1645 Plumas Hillside south of town (forested), Quincy, in the Northern Sierra Nevada 1220 Comment
  CDA18733  Arnica discoidea G. D. Barbe, T. C Fuller 1982-7-15 3740 Plumas Plumas National Forest; 2.1 miles NE of junction with road to Red Hill Summit. 1524 Comment
  UC586858  Arnica discoidea Joseph Andorfer Ewan 1934-7-25 8217 Plumas above, (Gold Lake Rd) Dentens (Blairsden); Sierra Nevada 1524 Comment
  CHSC106300  Arnica nevadensis L. P. Janeway 2010-7-3 10079 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine +/- overlooking Middle Fork Feather River from the north. 1642 Comment
  CHSC69707  Arrhenatherum elatius Vernon Oswald; Lowell Ahart 1997-9-18 8882 Plumas Forest Road 26N25 at Soda Ravine, ca. 4.5 mi west of Butte Valley Reservoir. 1249 Comment
  UCD56015  Arrhenatherum elatius B. Corbin 2001-6-7 1006 Plumas Susanville. North of Chilcoot. 1627 Comment
  UCD56026  Arrhenatherum elatius John Thomas Howell 1975-7-22 51346 Plumas Sierra Nevada. Quincy Junction near Quincy. 1036 Comment
  CHSC112558  Artemisia arbuscula subsp. arbuscula B. Castro; L. P. Janeway 2007-6-9 1641 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 500 ft below edge of open Ponderosa-Jeffrey pine forest. 1673 Comment
  SEINET10474108  Artemisia douglasiana Mary Susan Taylor 1981-8-28 Taylor 4247 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  SEINET11843904  Artemisia douglasiana K. R. Stern 1985-1 8190 Plumas Vicinity of Blairsden 1402 Comment
  CHSC81603  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart 2001-10-8 9315 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1524 Comment
  CAS-BOT-BC93524  Artemisia tridentata subsp. tridentata Lewis S. Rose 1932-9-7 32638 Plumas Blairsden 1371 Comment
  CAS-BOT-BC93525  Artemisia tridentata subsp. tridentata John Thomas Howell; Gordon H. True 1969-6-23 45820 Plumas Sierra Nevada - Middle Fork of Feather River at Nelson Point 1249 Comment
  JEPS102597  Artemisia tridentata subsp. tridentata Lowell Ahart 2001-10-8 9317 Plumas On the north side of Indian Creek, below or near the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1524 Comment
  CHSC78476  Artemisia tridentata subsp. vaseyana Vernon H. Oswald 2000-7-31 9944 Plumas Forest Road 28N15 on Diamond Mountain at the pond draining into Indian Creek. 2084 Comment
  SEINET252478 Image available Artemisia tridentata subsp. vaseyana Leila M. Shultz, Heather Garrison 2006-1 20318 Plumas Feather River Canyon east of Quicy 696 Comment
  JEPS125809  Artemisia tridentata subsp. wyomingensis William Harnach 2015-3-27 1398 Plumas 0.75 miles ENE of the intersection of Highway 49 and Dyson Lane approximately 4 miles South of Vinton, Ca. Comment
  SEINET252472  Artemisia tridentata subsp. wyomingensis L. M. Shultz, Heather Garrison 2006-8-3 20319 Plumas Between Quicy and Reno, ca. 2 miles west of Vinton on south-facing slope. 1513 Comment
  CAS-BOT-BC400624  Asarum hartwegii Mrs. Jos. Clemens 1919-11-1 s.n. Plumas Crystal Lake Comment
  CHSC7970  Asarum lemmonii Vernon Oswald 1985-5-26 1778 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Comment
  SJSU5652  Asarum lemmonii Lewis S. Rose 1968-6-11 68109 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park 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
  CAS-BOT-BC69586  Aspidotis densa John Thomas Howell 1975-6-16 51144 Plumas 2 mi. nw. of Spring Garden. 1173 Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  POM312510  Aster elatus S. Galen Smith, Malcomb S. Nobs 1949-8-19 1432 Plumas At Butterfly Valley Comment
  RSA59462  Aster occidentalis E. K. Balls 1950-9-16 15871 Plumas 5 miles soutehast of Graeagle, along Sulphur Creek, Hwy 89 1372 Comment
  CHSC75448  Aster radulinus G. F. Hrusa; T. D. Wilfred 1996-8-2 13456 Plumas Sierra Nevada. At bottom of old skid trail at terminus of USFS 23N22D. 1630 Comment
  RSA0039309  Aster radulinus Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CAS-BOT-BC478071  Asteraceae Charles Piper Smith 1921-7-19 3449 Plumas Taylorsville, Mt. Hough trail Comment
  CAS-BOT-BC177552  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanish Peak 2103 Comment
  CAS-BOT-BC177553  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanisih Peak 2103 Comment
  HSC89380  Astragalus lentiformis L. P. Janeway 1989-7-11 3478 Plumas Forest along SW side of red Clover Valley, .5 mi. SW of the Beckwourth-Genesee Rd., 11.5 mi. from Beckwourth. 1700 Comment
  SD72047  Astragalus lentiformis John Thomas Howell 1962-6-17 37702 Plumas Portola, with sagebrush under Jeffrey pines 1463 Comment
  CAS-BOT-BC187163  Astragalus lentiginosus var. floribundus John Thomas Howell 1962-6-19 37877 Plumas Chilcoot 1524 Comment
  CHSC95091  Astragalus lentiginosus var. lentiginosus L. P. Janeway; B. Castro 2006-6-3 8652 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.8 km north of the mouth of McReynolds Creek at Red Clover Creek. 1678 Comment
  CAS-BOT-BC192851  Astragalus pulsiferae Philip A. Munz 1947-5-16 11817 Plumas 5 miles N. of Chilcoot 1524 Comment
  UC82731  Astragalus pulsiferae var. pulsiferae Mrs. R. M. Austin July 1876-July 1891 34 Plumas Genessee Valley Comment
  POM253255  Astragalus pulsiferae var. suksdorfii A. A. Heller 1938-6-22 15179 Plumas About the airfield west of Chester. 1305 Comment
  CAS-BOT-BC192947  Astragalus purshii var. purshii Philip A. Munz 1947-5-16 11829 Plumas 8 miles north of Chilcoot 1524 Comment
  CAS-BOT-BC192951  Astragalus purshii var. purshii M. S. Taylor 1982-5-7 4417 Plumas Ramelli Ranch, s side of Feather River, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth 1487 Comment
  SBBG25923  Astragalus purshii var. tinctus C. B. Hardham 1961-6-16 7445 Plumas Diamond Peak [Diamond Mountain] 2255 Comment
  CAS-BOT-BC200859  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  RSA0006882  Astragalus webberi R. C. Barneby 1956-1 s.n. Plumas [No location data on label] Comment
  CHSC88661  Asyneuma prenanthoides Linnea Hanson 1981-7-15 148 Plumas Plumas National Forest. 1524 Comment
  JEPS118439  Athyrium filix-femina subsp. cyclosorum Lowell Ahart 2011-9-17 17656 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CAS-BOT-BC69502  Athyrium filix-femina var. californicum M. S. Taylor 1981-8-19 4222 Plumas Blue Nose Mt. quad. s. side of 23N10, 0.3 mi. e. of Peoria Creek, ca. 2.5 mi. w. of Sloat. 1341 Comment
  CAS-BOT-BC66093  Athyrium filix-femina var. cyclosorum John Thomas Howell 1926-7-27 2144 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC66090  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-21 35796 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC100041  Balsamorhiza deltoidea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1952 Plumas Fern Glen 1097 Comment
  JEPS3028  Balsamorhiza deltoidea Milo S. Baker 1952-5-24 12441 Plumas in a canyon above Pine Valley (Highway 89); Highway 89 944 Comment
  UCD97462  Balsamorhiza macrolepis Albert Grigarick 2010-5-11 246 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.5 mi. 1483 Comment
  CHSC46629  Balsamorhiza sagittata Lowell Ahart 1989-7-2 6339 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  SEINET7239868 Image available Balsamorhiza sagittata A. Kowal, M. Ferguson, A. Onisko 2011-7-25 NV 030 -574 Plumas Great Basin, Grizzly Creek Ranch, on the Forested Hills side of the Meadow 1522 Comment
  CAS-BOT-BC16564  Barbarea orthoceras Anna Head 1921-7-5 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC16565  Barbarea orthoceras Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  CAS-BOT-BC145811  Beckmannia syzigachne Robert J. Weatherby 1950-7-28 1502 Plumas Marshy border of Indian Creek, 2 miles south of Crescent Hills. 1036 Comment
  SEINET10514174  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E S1/2 NE1/4 Sec 28. POrtola quad. In moist area, Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth. With Hippuris vulgaris, Sium suave, Lemna. 1487 Comment
  CHSC91333  Berberis aquifolium var. aquifolium Lowell Ahart; John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 646 Comment
  RSA508621  Betula nana Mrs. R. M. Austin 1879-06 s.n. Plumas Big Meadows. Comment
  CAS-BOT-BC102172  Bidens cernua John Thomas Howell 1959-9-21 s.n. Plumas Crescent Mills Comment
  CAS-BOT-BC102173  Bidens cernua L. DeBuhr; C. W. Tilforth 1972-9-20 42311 Plumas Snake lake c. 4 miles NW of Quincy 1219 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
  SD124888  Bidens frondosa R. D. Goeden 1986-9-10 Plumas Northeast shore of Round Valley Reservoir, 3 miles south of Greenville, Plumas National Forest. 1370 Comment
  UC579642  Blepharipappus scaber E. Sawyer 1935-6-7 80 Plumas 3.75 mi sw Sugar Loaf; Sierraville Quad. 1493 Comment
  SEINET10938034  Blepharipappus scaber Mary Susan Taylor 1982-6-10 Taylor 4625 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  CAS-BOT-BC16882  Boechera W. I. Follett 1946-4-7 s.n. Plumas Feather River Canyon. 670 Comment
  CAS-BOT-BC16041  Boechera breweri subsp. shastaensis John Thomas Howell 1951-6-27 27639 Plumas Sierra Nevada. Jamison Creek. 1828 Comment
  CAS-BOT-BC16137  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CHSC41411  Boechera davidsonii Lowell Ahart 1986-7-8 5355 Plumas On cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  CAS-BOT-BC14014  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 s.n. Plumas Flatiron Ridge. Comment
  CAS-BOT-BC14015  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 2314 Plumas Flatiron Ridge. 1828 Comment
  SEINET3166402  Boechera pauciflora P. J. Alexander 2009-5-25 1040 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.25 miles ENE of the center of the dam, 7.1 miles NNW of Chilcoot, Plumas National Forest. 1768 Comment
  CHSC46632  Boechera pinetorum Lowell Ahart 1989-7-7 6371 Plumas Along the logging road, on the east side of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 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
  CHSC91949  Boechera pinetorum Lowell Ahart; Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  UC1586429  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4684 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  CAS-BOT-BC14295  Boechera platysperma John Thomas Howell 1960-7-17 35497 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC14664  Boechera rectissima A. A. Heller; P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  SEINET3165696  Boechera rectissima R. W. Spellenberg 2006-6-23 13752 Plumas between US Hwy. 89 and Lake Almanor, 14.5 km SE of Plumas County line, 4.5 km NW of junction to Almanor 1285 Comment
  SEINET4339633  Boechera rectissima C. D. Bailey, E. Bailey 2009-7-21 292 -A, B, C Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Between Grassy Lake and the turnoff to Graeagle Lodge. 1943 Comment
  UC1351716  Boechera rectissima L. Constance and T. I. Chuang 1969-7-11 3876 Plumas 7.3 mi se Quincy (on road to Blairsden (Highways 70 & 89)) 1280 Comment
  CHSC53193  Boechera retrofracta L. P. Janeway 1989-6-12 3298 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  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
  CHSC41182  Boechera sparsiflora J. D. Jokerst 1984-5-14 2015 Plumas On ridge top. Ridge represents the top of the canyon slope above Ward Creek, SW of Genesee Valley. 1584 Comment
  CAS-BOT-BC25722  Boechera sparsiflora Clare B. Hardham 1961-6-16 7442 Plumas Diamond Peak. Lassen. Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  CHSC62344  Boechera suffrutescens B. Castro; L. Hanson 1989-8-17 402 Plumas Ca 13 air mi E of Greenville, ca. 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  SEINET3166136  Boechera suffrutescens P. J. Alexander 2008-7-22 864 -A Plumas North side of the summit of Mount Elwell, +-0.1 miles N of the highest point, +-1.8 miles SE of Mt. Washington, +-14 miles NE of Downieville, northern Sierra Nevada, Plumas National Forest. 2347 Comment
  POM181044  Boisduvalia densiflora var. densiflora A. A. Heller, P. B. Kennedy 1907-7-17 8877 Plumas Red Clover valley Comment
  RSA726340  Boisduvalia densiflora var. densiflora L. Ahart, Josephine Guardino 2007-7-20 14352 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1764 Comment
  RSA512852  Boisduvalia densiflora var. densiflora J. T. Howell 1961-9-24 36904 Plumas Sierra Nevada: Feather River bed southwest of Beckworth. 1488 Comment
  CAS-BOT-BC28214  Bolboschoenus fluviatilis John Thomas Howell 1961-9-25 36942 Plumas Feather River bed, Portola. 1478 Comment
  NY144280  Botrychium californicum R. M. Austin 1897-7-2 s.n. Plumas Near Quincy Comment
  SD9247  Botrychium multifidum Mrs. R. M. Austin Jul 1876 Plumas Fern Dell Comment
  UCD136804  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 379 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  UCD136808  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 376 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  JEPS99050  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 Plumas 1 mi SE of Tamarack Flat (4.5 air mi NW of La Porte); Lumpkin Ridge Road 1701 Comment
  POM92043  Boykinia occidentalis Bener 1897-7-3 s.n. Plumas [below?] Prattville [of Jemsville?] 1372 Comment
  CHSC20812  Brassica K. R. Stern 1975-7-24 5849 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC106231  Brickellia californica John Thomas Howell 1961-9-23 36895 Plumas Engel Mine [Englemine] - Sierra Nevada 1097 Comment
  RSA0049642  Brodiaea minor Dean Wm. Taylor 2012-6-20 21252 Plumas Lumpkin Ridge, Forest Road 27 about 5 miles North from Camp Eighteen (site) 1417 Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  UCD60275  Bromus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
  CAS-BOT-BC148712  Bromus carinatus var. marginatus Clare B. Hardham 1970-8-9 17716 T Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC148713  Bromus carinatus var. marginatus John Thomas Howell 1955-7-20 30829 Plumas Sierra Nevada. Mohawk. 1371 Comment
  SBBG115956  Bromus carinatus var. marginatus C. B. Hardham 1970-8-9 17716 T Plumas rd to Thompson Pk Lookout 1981 Comment
  SEINET935017  Bromus carinatus var. marginatus Lewis S. Rose 1951-1 51021 Plumas Johnsville 1600 Comment
  CHSC100311  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS114815  Bromus ciliatus Lowell Ahart 2008-8-13 15184 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CAS-BOT-BC155970  Bromus commutatus Walter Knight; Irja Knight 1966-6-18 1384 Plumas Butterfly Valley. 1036 Comment
  CAS-BOT-BC155798  Bromus diandrus John Thomas Howell; Gordon H. True 1968-6-10 44547 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC156001  Bromus diandrus John Thomas Howell 1962-6-17 37689 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  UCD58848  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43379 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  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
  JEPS115941  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-13 16037 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
  CAS-BOT-BC161360  Bromus tectorum Mary S. Clemens 1920-6-10 s.n. Plumas Greenville. Comment
  RSA641467  Bromus tectorum Michael A. Vincent 1999-6-8 8569 Plumas Plumas National Norest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. T25N R14E sect. 27. Comment
  UC335743  Cacaliopsis nardosmia unknown Plumas Indian Valley Comment
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May 4 2021
  JEPS107725  Calamagrostis canadensis Lowell Ahart, John Dittes 2005-9-20 12429 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  UCD57257  Calamagrostis koelerioides R. Tofsrud 1949-7-14 s.n. Plumas Hwy 24, 11 miles W of junction with Hwy 89. (additional note by B. Crampton: 1 mile east Spring Garden). Comment
  CHSC114408  Calamagrostis stricta subsp. inexpansa Don Lepley 2014-9-26 Plumas Lassen National Forest; Almanor Ranger District. Along Rock Creek, about 1/4 mile below crossing of Road 29N55. 1743 Comment
  CAS-BOT-BC438485  Calandrinia ciliata John Thomas Howell; Gordon H. True 1967-6-11 42577 Plumas At Quincy. 1036 Comment
  OBI69180  Calocedrus decurrens Kristina L. Schultz, Dan Schultz 2000-11-3 1 Plumas Quincy Range. Located 1/2 mi off tril at the intersection of Jackson street and Old Meadow Valley Rd 1067 Comment
  UCD132884  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC487765  Calochortus coeruleus W. W. Wagner 1919-5-25 261 Plumas Massack Creek 1432 Comment
  CHSC76152  Calochortus leichtlinii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  SEINET3840913  Calochortus leichtlinii G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3811 Plumas Frenchman Lake, South shore of Frenchman Reservoir (Lake), 0.4 miles east of Frenchman Dam, USGS Quadrangle 7.5 1700 Comment
  UC1134470  Calochortus leichtlinii G. T. Nordstrom 1934-7-3 184 Plumas 0.75 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar 1676 Comment
  UCD139521  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC491832  Calochortus leichtlinii Alice Eastwood 1927-6-27 14882 Plumas On road from Chilcott Comment
  CAS-BOT-BC491833  Calochortus leichtlinii John Thomas Howell 1960-7-19 35687 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC491841  Calochortus leichtlinii H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsville, on road from Mohawk to La Porte Comment
  RSA59606  Calochortus leichtlinii Verne Grant, Alva Grant 1950-7-12 8932 Plumas Mountain slopes at base of Red Rock between Susanville andTaylorsville 2012 Comment
  CHSC67729  Calochortus nudus James D. Jokerst 1979-6-23 265 Plumas E edge of Meadow Valley meadow, ca. 100 m S of creek, 200 m SW of intersection of Meadow Valley Creek and forest service road to Deans Meadow. Comment
  RSA739737  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada, S facing slope near top of Eastern end of Red Mtn, near Road 23N63 1.1km NW of road 18. 1884 Comment
  CAS-BOT-BC493420  Calochortus nudus B. Ertter; G. Schoolcraft 1987-6-17 1737 Plumas About 2 miles N. of Chester, Susanville 1402 Comment
  RSA151734  Calycadenia truncata subsp. scabrella R. C. Bacigalupi, J. R. Sweeney, George Bacigalupi Jr. 1953-8-31 4346 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville. 1006 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
  CHSC82494  Calyptridium monospermum Lowell Ahart 2002-6-26 9777 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CHSC40614  Calyptridium umbellatum Lowell Ahart 1985-9-26 5182 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CDA13360  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13209 Plumas Sierra Nevada; Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. 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
  SEINET10935964  Calystegia polymorpha Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3821 A Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  CDA35623  Camassia quamash J. R. Keck Jr. 1978-6-3 PDR# 330065 Plumas Snake Lake near Quincy. 0 Comment
  CHSC75415  Camassia quamash subsp. breviflora Vernon H. Oswald 1999-5-26 9730 Plumas Rest Area on Hwy. 89 between Hwy. 36 and Prattville on the south side of Lake Almanor. 1389 Comment
  UCD114106  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger District. Along Route A23, just south of Route 70, southwest of Beckwourth; along jeep trail just south of creek (at first gate). Comment
  CAS-BOT-BC160889  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller; P. B. Kennedy 1907-7-4 8733 Plumas Meadow two miles south of Red Clover Valley Comment
  SEINET10463008  Campanula prenanthoides Wheeler WHEELER s.n. Plumas Cascade Comment
  SEINET10463009  Campanula prenanthoides Taylor 1981-8-19 Taylor 4217 Plumas Junction Bell Creek and road 23N10, about 1.5 miles west of Sloat. T23N R11E SE1/4 SE1/4, Sec. 17 Bluenose Mtn. Quad 1311 Comment
  CHSC60883  Capsella bursa-pastoris Vernon H. Oswald 1993-6-17 5553 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  SEINET10480717  Cardamine Mary Susan Taylor 1981-7-6 Taylor 3968 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  CAS-BOT-BC37225  Cardamine bellidifolia Wayne D. Dakan 1969-6-20 s.n. Plumas Sierra Nevada. Taylor Lake. Comment
  SD46720  Cardamine breweri Robert J. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge, near Taylor Lake. 1980 Comment
  SFV10379  Cardamine californica M. L. Vincent 1964-4-8 527 Plumas Sierra Nevada 1 mile northeast of Storrie. 580 Comment
  UCD114176  Cardamine cordifolia L. P. Janeway 1990-6-28 3743 Plumas Plumas National Forest, Beckwourth Ranger District; unde rJoseph Creek, on northeast side of Grizzly Ridge. 2011 Comment
  CAS-BOT-BC37821  Cardamine nuttallii Alice Eastwood 1927-6-15 14597 Plumas United States Forest Reserve. On trail to Long Valley. Comment
  CHSC87636  Cardamine nuttallii var. covilleana Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10931 Plumas Along a dirt forest road, east of Dry Taylor Creek, about 2 miles (air) southwest of Taylor Rock, about 6 1/4 miles (air) northeast of Quincy. 1669 Comment
  CHSC67352  Cardamine pachystigma James D. Jokerst 1984-4-25 1987 Plumas Big Grizzly Hydro Project. Ca. 1/8 mi W of N. Fork Feather River. 914 Comment
  JEPS96800  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15944 Plumas Feather River Canyon; along Highway 70 near Rock Creek dam; Plumas National Forest 579 Comment
  CAS-BOT-BC38094  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC38095  Cardamine pachystigma John Thomas Howell; Gordon H. True 1969-4-8 45484 Plumas Sierra Nevada. Lewisia Rock, Feather River Canyon below Belden. 609 Comment
  RSA189362  Cardamine pachystigma L. S. Rose 1967-5-7 67060 Plumas South of Keddie. Butterfly Creek and Spanish Creek. 884 Comment
  CAS-BOT-BC18346  Carex Clare B. Hardham 1961-6-15 7407 Plumas Sierra Nevada. 3.3 miles southeast of east Quincy. Comment
  JEPS115894  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16141 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
  CHSC47351  Carex angustata L. P. Janeway 1989-6-15 3315 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  JEPS117604  Carex angustata Lowell Ahart 2010-9-9 17143 Plumas Large colony around and under fir trees, on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  CHSC118787  Carex angustata Chelsea Morgan 2015-6-4 2015 -008 Plumas Plumas National Forest. On ridge west of North Fork Feather River, west of Forst Service road 26N25, 1/2 mile north of junciton with 25N26. (UTM 650854 E, 4436951 N, NAD83 Zone 10N). 1460 Comment
  JEPS28350  Carex angustata George W. Gillett 1957-7-18 830 Plumas along the streambank of the main inlet Lassen Volcanic National Park, Willow Lake 1661 Comment
  UC2015879  Carex angustata Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4415 Plumas Lassen Volcanic National Park. Drakesbad. Upper area, in low places west of the creek. Comment
  CAS-BOT-BC19726  Carex athrostachya John Thomas Howell 1959-9-22 34862 Plumas Drakesbad. 1737 Comment
  CHSC75932  Carex athrostachya G. F. Hrusa 1997-5-30 13817 Plumas On W side of Rattlesnake Creek, immed. N of Hwy 70 approx 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  OBI49290  Carex athrostachya Lewis S. Rose 1932-9-5 32617 Plumas Jamison Lake 1890 Comment
  OBI6460  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy 1036 Comment
  RSA98025  Carex athrostachya C. R. Quick 1952-9-5 52 -298 Plumas Northwest of Almanor. Comment
  SEINET10466814  Carex athrostachya Lowell Ahart 1985-7-3 Ahart 5099 Plumas About 4 1/4 miles north-east of La Porte. Comment
  SEINET10585099  Carex athrostachya David Castaner 1984-5-28 Castaner 8059 Plumas Almanor, Along highway 89. Comment
  CAS-BOT-BC19136  Carex aurea L. P. Janeway; Garrett Gibson 1991-8-2 4100 Plumas Plumas National Forest. Beckwourth Ranger District. Along Humbug Crek. Southeast flank of Smith Peak. 1828 Comment
  CHSC100349  Carex bolanderi Lowell Ahart 2008-8-14 15205 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  CHSC63189  Carex bolanderi Lowell Ahart 1994-6-17 7358 Plumas Near the edges of a small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  RSA770097  Carex bolanderi L. P. Janeway, B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CDA17780  Carex brainerdii G. D. Barbe, T. C. Fuller 1982-6-15 3694 Plumas Plumas National Forest; 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
  CHSC41163  Carex brainerdii L. P. Janeway 1985-6-27 1204 Plumas Near the U.C. Forestry Camp, southwest of Meadow Valley. F.S. Rd 23N16--Schneider Cr Rd. 1182 Comment
  CHSC53655  Carex brainerdii L. P. Janeway 1987-5-28 2102 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  RSA754531  Carex brainerdii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15861 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SD107305  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas Ca. 3 miles west on Humboldt Road; branching west of Highway 89; west of Lake Almanor; shade. 1524 Comment
  CHSC113907  Carex canescens subsp. canescens Lowell Ahart 2014-8-24 19733 Plumas Along a small stream that flows into the South Fork of the Feather River, on the west side of the stream, 10 yards west of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1563 Comment
  CAS-BOT-BC34405  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC19846  Carex echinata Anna Head 1921-7-28 s.n. Plumas Feather River Region. Meadows by Grass Lake. Comment
  CDA33061  Carex echinata subsp. echinata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3358 Plumas At head of Eagle Gulch, 0.25 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  CAS-BOT-BC20116  Carex feta John Thomas Howell 1962-6-17 37659 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CDA17787  Carex filifolia var. erostrata G. D. Barbe, T. C. Fuller 1982-6-17 3850 Plumas Frenchman Lake Region; On E shore of Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CDA13805  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13492 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Occasional in dry areas of conifer forest, generally on lower slopes. Perennial, clumping. Comment
  POM81197  Carex fracta Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  SEINET11635250  Carex fracta L. P. Janeway 1989-1 3483 Plumas Plumas NF, along Jackson Cr, rd 23N11, 2.3 mi from hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr 1783 Comment
  CHSC60160  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. 1897 Comment
  JEPS101184  Carex geyeri Dean W. Taylor 2000-9-14 17592 Plumas canyon of Hungry Creek, about 2.5 air miles ESE of Kettle Rock, Plumas National Forest, along Forest Road 27N45 0.2 miles N from junction Forest Road 27N53 1828 Comment
  UC1552725  Carex geyeri Frederica Bowcutt 1985-6-6 564 Plumas about 15 air mi ne Quincy (n of Beckwourth Genesee Road about 1/2 mi); Plumas National Forest 1676 Comment
  CHSC100040  Carex heteroneura Lowell Ahart 2008-7-16 15092 Plumas On the east 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
  UCD140425  Carex heteroneura G. F. Hrusa; T. D. Wilfred 1997-6-26 13924 Plumas Brady's Camp. Pine Creek Valley, ca. 1/2 mile NE Argentine Rock. Comment
  CHSC56887  Carex heteroneura var. heteroneura L. P. Janeway 1991-8-3 4112 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek 2 mi west of Smith Peak and below 'Five Points. 1981 Comment
  JEPS117647  Carex heteroneura var. heteroneura Lowell Ahart 2010-7-27 16932 Plumas Damp meadow, about 150 yards north of the South Fork of the Feather River, north side of Forest Road 22N68, about 1/4 mile southwest of the Feather Fork Mine, about 1- 1/2 miles (air) northeast of Little Grass Valley Reservoir 1634 Comment
  CAS-BOT-BC28078  Carex hoodii Clare B. Hardham 1978-8-11 21781 Plumas In volcanic area about 5 mi SE of Thompson Peak, north slope. Comment
  UC1026407  Carex hoodii Lewis S. Rose 1954-5-30 54065 Plumas Johnsville 1600 Comment
  CHSC55434  Carex infirminervia L. P. Janeway 1990-7-25 3815 Plumas Plumas National Forest. bout 0.2 mi northwest of Emigrant Creek and about 0.3 mi southeast of Little Grizzly Creek. 1828 Comment
  CHSC55438  Carex integra L. P. Janeway 1990-7-11 3791 Plumas Plumas National Forest. About 1/4 mi east of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  POM81298  Carex interior Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC65596  Carex jonesii L. P. Janeway 1995-8-4 4887 Plumas About 0.8 mi northeast of Dixie Mountain Lookout; small spring at uppermost crossing of Lookout Creek by Road 25N03. 2126 Comment
  CAS-BOT-BC35508  Carex jonesii John Thomas Howell 1959-9-23 s.n. Plumas 3 mi. from Juniper Lake on road to Chester 1889 Comment
  CHSC118840  Carex lasiocarpa Wendy L. Boes 2014-7-17 2014020 B Plumas Plumas National Forest. Gray Eagle Lodge Fen, Lakes Basin, Plumas National Forest. UTM 700667 E, 4399613 N, NAD83, Zone 10N. 2109 Comment
  CAS-BOT-BC31156  Carex lemmonii John Thomas Howell 1962-6-17 37655 Plumas Butterfly Valley. 1036 Comment
  CHSC43006  Carex lemmonii L. P. Janeway; B. Castro 1987-7-17 2488 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  CHSC78726  Carex lemmonii L. P. Janeway 2000-7-7 6882 Plumas Northern High Sierra Nevada. Drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  SD71003  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  CHSC94174  Carex lenticularis var. impressa Lowell Ahart 2006-7-9 12922 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CAS-BOT-BC28510  Carex lenticularis var. lipocarpa John Thomas Howell 1951-6-28 27733 Plumas Eureka Lake 1889 Comment
  JEPS113733  Carex lenticularis var. lipocarpa Lowell Ahart, John Dittes 2007-6-17 14198 Plumas On wet soil, along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC28513  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-10 44041 Plumas Quail Lake, 3 mi W of Chambers Lodge. Lake Tahoe 2133 Comment
  CAS-BOT-BC31693  Carex mariposana L. P. Janeway 1990-7-5 3773 Plumas At dirt road crossing of the SE branch of Paradise Creek ca 1 1/4 mi S of Little Grizzly Creek. 1844 Comment
  CDA18701  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3710 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CAS-BOT-BC32071  Carex multicaulis John Thomas Howell; R. C. Barneby 1954-5-14 29555 Plumas 2 mi E of Blairsden 1493 Comment
  CHSC55563  Carex multicostata L. P. Janeway 1990-6-28 3736 Plumas Plumas National Forest. At the head of Joseph Creek, on northeast side of Grizzly Ridge. 2118 Comment
  CHSC60501  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Plumas National Forest. South side of Dotta Canyon 2.2 mi southeast of Beckwourth-Genesee Road. 1706 Comment
  CHSC47342  Carex nebrascensis L. P. Janeway 1989-6-16 3335 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CHSC51933  Carex nebrascensis K. R. Stern 1985-6-25 8311 Plumas Vicinity of Blairsden. 1402 Comment
  UCD140687  Carex nebrascensis Malcolm A. Nobs; S. Galen Smith 1949-8-19 1457 Plumas Southeastern side of Portola. Comment
  CAS-BOT-BC119684  Carex nervina John Thomas Howell 1951-6-27 27614 Plumas Jamison Creek 1950 Comment
  CAS-BOT-BC119521  Carex nudata John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2170 Plumas Mouth of Butterfly Creek. 883 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
  SEINET3905629  Carex ormantha Lewis S. Rose 1963-6-3 63101 Plumas Butterfly Valley 2 mi. sw. of Keddie.; 0 1189 Comment
  CHSC77173  Carex pachystachya G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3112 Plumas 0.25 mile W of Round Valley Reservoir Dam, moist meadow at NW shore of the reservoir. 1371 Comment
  CHSC66646  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-7-15 8045 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  UC1100507  Carex pellita Malcolm A. Nobs, S. Galen Smith 1949-8-19 1442 Plumas Butterfly Valley Comment
  CAS-BOT-BC118339  Carex praegracilis D. H. Esplin; R. K. Gierisch 1968-1-1 4 Plumas Thompson Creek drainage. 1828 Comment
  CAS-BOT-BC118138  Carex rossii John Thomas Howell; Gordon H. True 1967-7-11 43333 Plumas Summit ridge of Mt. Hough. 2194 Comment
  JEPS95369  Carex rossii Lowell Ahart 1994-7-7 7470 Plumas SW side of Pacific Crest Trail, S of a poor dirt road, E of the weather station, 1/2 air mile W of Pilot Peak, about 3/4 mi E of Quincy--La Porte Road 1981 Comment
  SEINET11635246  Carex rossii L. P. Janeway 1989-1 3275 Plumas Plumas NF, SW side of Red Clover Valley, Beckwourth Ranger District 1692 Comment
  CHSC118669  Carex scabriuscula Wendy L. Boes; Jim Battagin 2015-5-12 2015007 G Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  CHSC91825  Carex simulata G. D. Barbe; T. C. Fuller 1982-6-17 3861 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of the north arm of the lake. 1706 Comment
  CAS-BOT-BC117736  Carex simulata George Wilson Gillett 1957-7-18 836 Plumas Willow Lake, marsh at N end. 1661 Comment
  UC1133452  Carex spectabilis L. S. Smith 1927-8-10 2163 A Plumas Gold Lake Tahoe and Plumas Forest, Downieville Quadrangle 2133 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
  CHSC77072  Carex stipata var. stipata G. Dougla Barbe; T. C. Fuller 1982-6-14 3688 Plumas The Quincy Region. W end of Quincy, Hwy 70 and Lawrence St. at Chevron station. 1036 Comment
  JEPS109606  Carex stipata var. stipata Dean W. Taylor 2002-6-19 18164 Plumas Quincy, drainage ditch forming part of Clear Stream, on the far western edge of town, between the Gold Pan Motel and the fuel depot, north side of Highway 70 1036 Comment
  CAS-BOT-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC115987  Carex subfusca Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC115990  Carex subfusca Lewis Samuel Rose 1968-6-10 68085 Plumas Quincy Meadow. 1036 Comment
  CHSC53550  Carex subfusca L. P. Janeway 1990-7-2 3751 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/2 mi south of Little Grizzly Cr. At an old logging landing and dirt road opening. 1859 Comment
  SEINET10880001  Carex subfusca Dean W. Taylor 2000-8-12 Taylor 17556 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed); T27N R13E NW1/4 Section 16; Antelope Lake 71/2' USGS quadrangle. Sierra Nevada (nSNH). 1859 Comment
  UCD141162  Carex subfusca Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  CAS-BOT-BC115981  Carex subfusca L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4490 Plumas Along Dolly creek at upper portion of the Walker Mine tailings. Mt. Ingalls quad. 1749 Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  JEPS49032  Carex utriculata Leland S. Smith 1927-8-10 2174 Plumas Gold Lake amd Gold Valley 2255 Comment
  CAS-BOT-BC115155  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Meadow, Drakesbad. 1828 Comment
  UCD140974  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC115145  Carex vesicaria Frank Warrington Peirson 1926-6-21 6788 Plumas Open flat strip along shore of Lake, Lake Almanor. Comment
  JEPS116061  Carex whitneyi Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15907 Plumas About 100 yards northwest of Lake Almanor Dam 1421 Comment
  CAS-BOT-BC249007  Castilleja David D. Keck 1932-7-3 1646 Plumas Quincy, in the Northern Sierra Nevada 1220 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
  CAS-BOT-BC249718  Castilleja applegatei subsp. pinetorum A. A. Heller; P. B. Kennedy 1907-7-3 8701 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC249734  Castilleja applegatei subsp. pinetorum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CAS-BOT-BC249745  Castilleja applegatei subsp. pinetorum John Thomas Howell 1961-6-21 36639 Plumas Greenville 1097 Comment
  JEPS10977  Castilleja applegatei subsp. pinetorum W. I. Follett 1942-7-27 132 Plumas Deadwood Summit 1386 Comment
  JEPS81449  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4832 A Plumas ca 3 air mi w Indian Falls on Hwy. 89 (along 26N58, on s side of Bullfrog Ravine); Almanor SE Quad., Bullfrog Ravine 1645 Comment
  JEPS81475  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-21 4895 Plumas ca 5 mi se Quincy (around s end of Bachs Creek Ridge); Quincy Quad., Bachs Creek Ridge 1752 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
  UC1031229  Castilleja applegatei subsp. pinetorum A. Lewis 1934-6-12 479 Plumas Little Grass Valley; Plumas National Forest, Downieville Quad. 1524 Comment
  SBBG25803  Castilleja campestris K. K. Muller 1965-8-19 1368 Plumas St Hwy 89, 5 mi NW of Almanor Post Office Comment
  CHSC34069  Castilleja lacera M. S. Taylor 1981-6-19 3931 Plumas SW side of Lake Alamanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  SD7128  Castilleja lemmonii Daniel Cleveland July 1882 Plumas Big Meadows Comment
  CAS-BOT-BC254059  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  LA209235  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-9 Plumas Prattville Comment
  UC1063335  Castilleja miniata G. T. Nordstrom 1934-7-2 162 Plumas 1.5 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1584 Comment
  JEPS95833  Castilleja miniata subsp. miniata Lowell Ahart 1999-7-15 8094 Plumas about 50 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  JEPS32704  Castilleja pilosa Lewis S. Rose 1963-6-4 63124 Plumas 2 mi s Beckwourth; Sierra Valley 1463 Comment
  JEPS106309  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
  SEINET11262358  Castilleja tenuis D. W. McNeal 1990-7-25 3847 Plumas Ca 100 m s of the rd to Mills Pk Lookout (Church Meadows Rd), 0.7 mi e of the jct of Gold Lake Rd.; 0 Comment
  SJSU6439  Castilleja tenuis N. A. Hopkins 1971-6-19 406 Plumas 7 mi S of Beckwourth, Sierra Valley 1524 Comment
  CAS-BOT-BC48615  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley, Mt. Lassen Comment
  CHSC46504  Ceanothus cordulatus Lowell Ahart 1975-7-16 885 Plumas About 1 mile north of Little Grass Valley Reservoir. On an open hillside. 1828 Comment
  LA41966  Ceanothus cordulatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  POM253289  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas E of Chester. 1311 Comment
  RSA605316  Ceanothus cordulatus Louis C. Wheeler 1952-9-24 6958 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  SEINET194976  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas South of Chester 1311 Comment
  CHSC70040  Ceanothus cuneatus var. cuneatus L. P. Janeway 1997-5-15 5133 Plumas Hwy 70/89 at Rattlesnake Creek. 1310 Comment
  CAS-BOT-BC50764  Ceanothus integerrimus C. R. Quick 1947-7-30 47 -69 Plumas Bit Bar Mt. 1249 Comment
  CAS-BOT-BC50765  Ceanothus integerrimus Clarence R. Quick 1942-8-4 42 45 A Plumas Bit Bar Mt., Feather River Canyon east of Pulga Comment
  UC80030  Ceanothus integerrimus Mrs. R. M. Austin 1876-1 199 Plumas Comment
  SD51224  Ceanothus integerrimus var. macrothyrsus Darley F. Howe 1960-9-20 2985 Plumas North Fork of Feather River, 41 miles from Oroville 609 Comment
  CHSC20735  Ceanothus prostratus K. R. Stern 1975-7-23 5903 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC79202  Ceanothus prostratus L. P. Janeway 2000-6-24 6832 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  LA44961  Ceanothus prostratus Carl Epling; 1938-6-14 sn Plumas near Prattville Comment
  RSA59889  Ceanothus prostratus E. K. Balls 1950-9-14 15816 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  SEINET5339356  Ceanothus prostratus B. Miller 1951-4-22 2 Plumas North side of highway, 2 miles east of Johnsville, Calif., about 15 miles from Portola. 1829 Comment
  CAS-BOT-BC52169  Ceanothus pumilus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1648 Plumas Along roadside in area adjacent to Sweetwater Meadow 1127 Comment
  UC1071473  Ceanothus velutinus C. G. Albertus 1935-7-22 221 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  CDA7012  Centaurea babylonica F. H. Surber 1972-8-7 Plumas County Hospital, Quincy. 0 Comment
  RSA739698  Centaurea cyanus John Dittes, L. Ahart 2003-8-8 2003 -98 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 3.9 air-miles southeast of Beckwourth, 9.8 air-miles northeast of Calpine, ca. 0.8 mile south of Western Pacific Railroad, at disturbed edge of Dyson Lane. 1489 Comment
  CAS-BOT-BC277218  Centaurea solstitialis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2193 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC65325  Centaurea stoebe subsp. micranthos Lowell Ahart 1995-10-1 7642 Plumas In gutter, about 150 yards south of where the road crosses the South Fork of the Feather River, north east of the Feather Fork Mine, about 6 (air) miles north-east of La Porte. 1706 Comment
  JEPS98962  Centaurea stoebe subsp. micranthos Lowell Ahart 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  CHSC54540  Cephalanthera austiniae Vernon H. Oswald 1991-8-5 4807 Plumas Service road from the south park boundary into Terminal Geyser, ca. 2.5 miles (air) southeast of Drakesbad. Lassen Volcanic National Park. 1706 Comment
  CAS-BOT-BC400157  Ceratophyllum demersum Robert J. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain, Chain Bar Resort 670 Comment
  SD144528  Ceratophyllum demersum Robert J. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain, at China Bar Resort 669 Comment
  RSA405411  Cercis occidentalis Bonnie C. Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie Comment
  CHSC97246  Cercocarpus ledifolius var. intermontanus Lowell Ahart; John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2509 Comment
  CHSC21587  Chaenactis douglasii var. douglasii L. M. Mayer; D. E. Brink Jr. 1975-8-8 Plumas Bucks Lake. Found on hillsides of the section. Comment
  CAS-BOT-BC276731  Chaenactis douglasii var. douglasii Arthur C. Barrett 1915-7-10 209 Plumas Lone Rock Valley Comment
  CHSC97257  Chamerion angustifolium subsp. circumvagum Lowell Ahart; John Dittes 2007-8-9 14429 Plumas About 50 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC70201  Cheilanthes gracillima Mrs. Jos Clemens 1919-10-24 s.n. Plumas Greenville Comment
  CAS-BOT-BC70208  Cheilanthes gracillima Robert J. Weatherby 1950-8-11 1514 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  CHSC30854  Cheilanthes gracillima L. Ahart 1980-9-17 2650 Plumas Ca. 0.5 mi w of Fowler Peak. Ca. 8 mi n of La Porte. 1800 Comment
  SEINET3870076  Cheilanthes gracillima D. W. McNeal 1996-7-29 4189 Plumas Along the Gray Eagle Creek Trail ca. 1.5 mi. S. of Gray Eagle Lodge, Plumas Nat. For.; 0 Comment
  SEINET5714400 Image available Cheilanthes gracillima Jennifer Kent 1974-1 71 Plumas In vicinity of Rock Lake, Plumas National Forest.; Rock Lake 1920 Comment
  UCSB46168  Cheilanthes gracillima Reisentz, Paul 1979-5-12 Plumas Near Chambers Creek, 6mi S of Beldon Comment
  CHSC45546  Chenopodium atrovirens Lowell Ahart 1974-7-30 Plumas On the mountain side about 100 yards west of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  RSA718514  Chenopodium botrys L. Ahart 2006-10-23 13472 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
  CDA3114  Chenopodium pumilio J. T. Howell, G. H. True 1974-7-29 50629 Plumas Quincy. Comment
  RSA239265  Chimaphila menziesii R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth, K. Thorne 1972-9-20 42333 Plumas Butterfly Valley Botanic Area, partly in Plumas National Forest, Darlingtonia Bog. 1174 Comment
  CAS-BOT-BC451341  Chimaphila menziesii John Thomas Howell 1960-7-22 35895 Plumas Lassen Volcanic National Park, Devil's Kitche3n to Drakesbad 1828 Comment
  JEPS48509  Chimaphila menziesii Mrs. Esther C. Fritz 1933-7-14 Plumas Camp Califorest near Meadow Valley (above cookhouse & about camp) 1188 Comment
  CAS-BOT-BC452238  Chimaphila umbellata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC452246  Chimaphila umbellata David D. Keck 1932-7-3 1636 Plumas Northern Sierra Nevada: Quincy; forest, to south of town 1065 Comment
  UCR88746  Chrysopsis villosa J. T. Howell 1977-8-11 52670 Plumas Canyon of Little Last Chance Creek, between Chilcoot & Frenchmans Reservoir 1677 Comment
  SEINET10474163  Chrysothamnus viscidiflorus Mary Susan Taylor 1980-10-8 Taylor 3364 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  JEPS113431  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart, John Dittes 2007-8-9 14431 Plumas Along the west side of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA31217  Chrysothamnus viscidiflorus subsp. viscidiflorus Joseph A. Ewan 1934-7-8 8590 Plumas Railroad embankment, Camp Coldwell, Dentins Mohawk Valley 1616 Comment
  SEINET7450910 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus J. T. Howell 1959-9-24 34968 Plumas Sierra Valley near Beckworth. 1478 Comment
  CAS-BOT-BC279838  Cichorium intybus John Thomas Howell 1959-9-24 34910 Plumas Crescent Mills 1066 Comment
  CHSC59126  Cicuta douglasii Vernon H. Oswald 1992-8-10 5155 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  POM82471  Cicuta douglasii Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC170986  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  SEINET10873894  Cicuta douglasii Mary Susan Taylor 1982-6-28 Taylor 4776 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CHSC113614  Circaea alpina subsp. pacifica Lowell Ahart 2014-8-31 19804 Plumas In an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS107724  Cirsium andersonii Lowell Ahart, John Dittes 2005-9-20 12432 Plumas The northwest side of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CHSC102150  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
  CHSC81346  Cirsium arvense Lowell Ahart 2001-9-18 9272 Plumas About 100 feet north of the pond, Butterfly Valley, about 5 miles (air) northwest of Quicy. 1104 Comment
  UC170928  Cirsium arvense H. M. Hall 1912-8-3 9378 Plumas Quincy Sierra Nevada 1066 Comment
  CAS-BOT-BC284415  Cirsium arvense David D. Keck 1932-7-3 1655 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC277919  Cirsium canescens T. C. Fuller 1968-7-1 17318 Plumas 100 yds. w. of Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton, 1 mi. n. of the county line in Plumas Co., Sierra Valley, Sierra Nevada 1524 Comment
  CAS-BOT-BC278024  Cirsium cymosum Clare B. Hardham 1975-8-2 20456 Plumas Black Mt. 2133 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
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET11841729  Cirsium douglasii var. canescens W. Knight, Knight, I. 1983-1 4938 Plumas near Drakesbad Ranger Station, Lassen Volcanic National Park 1646 Comment
  CAS-BOT-BC285541  Cirsium occidentale var. candidissimum John Thomas Howell 1975-7-22 51353 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CDA13560  Cirsium occidentale var. candidissimum G. F. Hrusa, T. D. Wilfred 1996-7-22 13388 Plumas Sierra Nevada; Plumas Natl. Forest. below summit of Lava Peak above Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC69699  Cirsium occidentale var. candidissimum Vernon H. Oswald; Lowell Ahart 1997-9-18 8874 Plumas Ca. 4 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). Roadside. 1383 Comment
  JEPS95069  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  SEINET11263031  Cirsium occidentale var. candidissimum D. W. McNeal 1996-7-28 4190 Plumas Below Hwy #89-70 at turnoff to the old Feather River Inn.; 0 Comment
  RSA128649  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road, just north of county line, 7.3 miles south of Vinton. Comment
  CAS-BOT-BC286447  Cirsium scariosum John Thomas Howell 1955-7-19 30825 Plumas Mohawk 1371 Comment
  CAS-BOT-BC286451  Cirsium scariosum John Thomas Howell 1960-7-24 35985 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC91704  Cirsium scariosum G. D. Barbe; T. C. Fuller 1982-6-17 3866 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of the north arm of the lake. 1706 Comment
  SEINET7836795 Image available Cirsium scariosum W. Harnach, N. Harnach 1990-6-13 376 Plumas 0.75 miles W of Beckwourth, Ramelli Ranch (USFS); Sierra Valley 1487 Comment
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Jun 6 2018
  JEPS59251  Cirsium scariosum O. E. Mack 1923-7-9 Plumas Chester Comment
  CAS-BOT-BC285834  Cirsium vulgare L. W. Swift 1934-7-26 121 Plumas Plumas National Forest. Butterfly Valley proection plot #2 Comment
  CAS-BOT-BC228908  Cistanthe umbellata Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC228914  Cistanthe umbellata Alice Eastwood 1927-6-11 14449 Plumas United States Forest Reserve. Crescent Mills Comment
  RSA0020964  Clarkia biloba subsp. biloba Joan Stewart 2000-06 1032 Plumas Plumas National Forest Comment
  CAS-BOT-BC163169  Clarkia lassenensis John Thomas Howell 1967-6-23 42717 Plumas Canyon of the East Branch of the Feather River 2 miles east of Twain Comment
  CHSC118704  Clarkia lassenensis Wendy L. Boes; Jim Battagin 2015-5-12 2015003 Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  HSC96849  Clarkia mildrediae subsp. lutescens L. Ahart 2006-7-6 12920 Plumas About 100 yards N of the paved basalt Rd., about 4 mi. NW of Tamarack Flat, about 6 mi. NW of Little Grass Valley Reservoir 1651 Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  CAS-BOT-BC163855  Clarkia purpurea subsp. quadrivulnera L. P. Janeway 1993-6-16 4393 Plumas North side of East Branch North Fork Feather River, across from Paxton; 0.8 mi west of Hwy 89. Cutbank of beginning of dirt road off of Hwy 70 883 Comment
  CAS-BOT-BC164918  Clarkia rhomboidea John Thomas Howell 1967-6-23 42718 Plumas Canyon of the East Branch of Feather River 2 miles east of Twain Comment
  CHSC82615  Clarkia stellata L. P. Janeway 2001-7-3 7258 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CHSC87125  Clarkia stellata L. P. Janeway 2001-6-14 7173 Plumas Northern High Sierra Nevada. 4.8 km east-southeast of Meadow Valley; 1.3 km east of Deer Creek confluence with Rock Creek. 1329 Comment
  RSA60884  Clarkia stellata Frank W. Gould 1938-6-26 464 Plumas 3 miles north of Greenville 1128 Comment
  NY342201  Claytonia bulbifera R. M. Austin 1886-1 s.n. Plumas Lassus Peak Comment
  CHSC21717  Claytonia lanceolata F. T. Griggs; A. Pass 1975-7-16 186 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  LA207492  Claytonia lanceolata Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC1075705  Claytonia lanceolata Robert J. Weatherby 1955-6-22 1537 Plumas meadow just below Spanish Peak 2133 Comment
  CHSC57310  Claytonia lanceolata var. lanceolata L. P. Janeway 1991-5-28 3968 Plumas Plumas National Forest. Beckwourth Ranger District. Red Clover Compartment. South side of Poco Creek ca 1 1/2 mi est of Red Clover Creek (south side of road 25N05). 1719 Comment
  CAS-BOT-BC443645  Claytonia perfoliata subsp. perfoliata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54251 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  CHSC60550  Claytonia rubra L. P. Janeway 1992-5-22 4196 Plumas Plumas National Forest. Beckwourth Ranger District. Beckwourth Compartment. 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
  CHSC101784  Claytonia rubra subsp. rubra Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15864 -A Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  SDSU9783  Claytonia rubra subsp. rubra R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, Calif. 1383 Comment
  CAS-BOT-BC238045  Collinsia Ella Dales Cantelow 1940-5-11 4403 Plumas Grade W. of Meadow Valley Comment
  HSC20613  Collinsia parviflora R. J. Vernimen 1963-5-4 48 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  RSA0117246  Collinsia parviflora L. S. Rose 1963-6-3 63114 Plumas Butterfly Valey, 2 mi. sw. of Keddie, North Fork of Feather River. 1189 Comment
  SD46708  Collinsia parviflora Robert J. Weatherby 1955-6-22 1541 Plumas damp meadow near top of Spanish Peak 2133 Comment
  UC170958  Collinsia parviflora H. M. Hall 1912-6-19 9262 Plumas Sierra Nevada Mountains, Willow Creek Willow Creek; Sierra Nevada Mountains, Willow Creek 1249 Comment
  CHSC87623  Collinsia rattanii Lowell Ahart; Josephine Guardino 2004-5-24 10947 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  CHSC93188  Collinsia rattanii L. P. Janeway 1994-5-24 4651 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  CHSC82507  Collinsia torreyi var. torreyi Lowell Ahart 2002-6-26 9769 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  JEPS25045  Collinsia torreyi var. torreyi Mrs. Mabel Dopplmaier 1949-6-18 Plumas Johnsville Comment
  UC1238980  Collinsia torreyi var. torreyi Freed W. Hoffman 1946-6-12 748 Plumas between Mohawk and Calpine 1524 Comment
  CDA13348  Collinsia torreyi var. wrightii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13197 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  JEPS6210  Collinsia torreyi var. wrightii W. L. Jepson 1927-6-23 12304 -B Plumas near Camp Kelly (along Warner Creek); Warner Creek 1584 Comment
  CHSC116161  Collomia grandiflora Lowell Ahart 2015-7-4 20284 Plumas On the east side of the paved road, 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. 1731 Comment
  CHSC76060  Collomia grandiflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3256 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  RSA8081  Collomia grandiflora H. A. Barker 1927-7-16 815 Plumas Mohawk 1372 Comment
  POM161586  Collomia tinctoria R. C. Bacigalupi 1927-7-11 1702 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  UC1585859  Collomia tinctoria Barbara Ertter with Gary Schoolcraft 1989-7-3 8643 Plumas ca 1/2 mi below Red Rock Lookout (ca 8 air mi s of Susanville, bare gravel and outcrop between road and cliff) 2133 Comment
  UC1586412  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1991-6-18 4683 Plumas Forest Road 28N38 3.4 mi nne County Road 201 (Old Haun Road) (ca 4 mi (air) n of Greenville) 1609 Comment
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 Comment
  CAS-BOT-BC286166  Conyza canadensis John Thomas Howell 1960-7-20 35775 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  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
  CHSC36204  Corallorhiza maculata M. S. Taylor 1982-7-14 4828 Plumas N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. 1524 Comment
  JEPS64323  Corallorhiza maculata W. I. Follett 1933-7-18 6 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  CHSC53729  Cordylanthus pilosus var. tenuis L. P. Janeway 1989-7-21 3514 Plumas Plumas National Forest. Forested slope on NW side of Red Clover Valley. 1706 Comment
  CDA14227  Coreopsis grandiflora G. F. Hrusa 1996-8-22 13532 Plumas Sierra Nevada; Disturbed roadside along Squirrel Creek on USFS road leading to Argentine Rock. Approx. 1 mi. NE of Hwy 70, and approx. 7 mi. E of Quinmcy. Perennial, rays yellow. Comment
  RSA563256  Cornus nuttallii Walter Knight, Irja Knight, John Thomas Howell, B. K. Knight 1966-7-26 1569 Plumas Fern Glen. 1113 Comment
  UC338280  Cornus nuttallii J. G. Lemmon 1889-5-30 Plumas Thompson's ranch near Quincy Comment
  CAS-BOT-BC210311  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  CAS-BOT-BC210317  Cornus sericea Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC210320  Cornus sericea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54286 Plumas On China Grade, 1.4 miles south of Taylorsville 1402 Comment
  CAS-BOT-BC210500  Cornus sericea subsp. occidentalis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1867 Plumas Butterfly Botanical Area and Vicinity. On east side across the creek of Butterfly Valley proper 1036 Comment
  CHSC113637  Cornus sericea subsp. sericea Lowell Ahart 2014-8-31 19817 Plumas South of an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, west side of Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC54524  Cornus sericea subsp. sericea Vernon H. Oswald 1991-8-5 4810 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  UC1122739  Cornus sericea subsp. sericea G. T. Nordstrom 1934-7-9 201 Plumas 3/4 mi. s. Mt. Ararat; Plumas Nat'l Forest, Bidwell Bar Quad. 1645 Comment
  RSA59421  Cornus stolonifera E. K. Balls 1950-9-7 15702 Plumas Lakes Center Public Campground. 2043 Comment
  SEINET10453356  Cornus stolonifera Mary Susan Taylor 1981-7-17 Taylor 4028 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CAS-BOT-BC401843  Corydalis aurea subsp. aurea Margaret Williams 1966-7-14 s.n. Plumas Spring Creek, Diamond Mtn. 1859 Comment
  SEINET5339233  Corydalis caseana M. J. Williams 1966-7-11 s.n. Plumas Jamison Creek above Johnsville. 1829 Comment
  CAS-BOT-BC401876  Corydalis caseana subsp. caseana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54364 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CHSC21031  Corylus cornuta var. californica F. T. Griggs; A. Pass 1975-7-3 70 Plumas Buck's Lake Forest Service Survey. North of Grizzly Fore bay. Comment
  CHSC40609  Crassula Lowell Ahart 1985-9-26 5173 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  JEPS115519  Crassula aquatica Lowell Ahart, John Dittes 2009-9-7 16388 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC141571  Crataegus castlegarensis John Thomas Howell 1980-5-27 53605 Plumas Near Crescent Mills in southwestern end of Indian Valley - Sierra Nevada 1066 Comment
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  CAS-BOT-BC291561  Crepis intermedia A. A. Heller; P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  UC581204  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2251 Plumas Red Rock; sw slopes and ridge crest, n of Engelmine 646 Comment
  UC581227  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2233 Plumas Red Rock; sw slopes and ridge crest, n of Engelmine Comment
  CHSC58157  Crepis occidentalis subsp. conjuncta Vernon H. Oswald 1992-6-18 4998 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. just inside the boundary of the park. Openings bordering the N side of the road. 1615 Comment
  CHSC117006  Crepis occidentalis subsp. occidentalis Lowell Ahart 2016-6-29 21066 Plumas Top and northwest 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
  CHSC108710  Crepis pleurocarpa B. Castro; L. P. Janeway 2001-7-22 1351 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In open rocky areas up from road (the western extension of USFS Rd 23N69). 1798 Comment
  SEINET10474590  Crepis pleurocarpa Mary Susan Taylor 1982-6-28 Taylor 4778 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  JEPS102857  Crypsis alopecuroides Lowell Ahart 2001-10-8 9333 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC190151  Crypsis vaginiflora John Thomas Howell 1959-9-21 34748 Plumas Sierra Nevada. North Fork Feather River near Belden. 701 Comment
  CHSC102587  Cryptantha affinis L. P. Janeway; B. Castro 2009-7-18 9862 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  CHSC63619  Cryptantha affinis B. Castro; R. Zebell 1989-7-20 325 Plumas Off the S end of Walker Plains, off S side of the Oro-Quincy Hwy. 1539 Comment
  CHSC89810  Cryptantha affinis G. Douglas 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 with China Grade Road (road to Taylorsville). 1737 Comment
  RSA726381  Cryptantha affinis L. Ahart, Josephine Guardino 2007-7-21 14374 Plumas About 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1814 Comment
  UC78402  Cryptantha affinis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC189534  Cryptantha circumscissa var. circumscissa L. S. Smith 1927-6-6 56881 Plumas Road to Constantia 1524 Comment
  CHSC97211  Cryptantha torreyana Lowell Ahart; Josephine Guardino 2007-7-20 14350 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS95556  Cryptantha torreyana Lowell Ahart 1994-7-7 7456 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  CHSC44007  Cryptogramma acrostichoides L. P. Janeway 1984-7-27 933 Plumas Near Grassy Lake. 1920 Comment
  CHSC52719  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas Plumas National Forest. Ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 Comment
  UC1874975  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-18 1072 Plumas Eureka Peak 2011 Comment
  MACF019596  Cupressus Trudy R. Ericson 1975-9-18 402 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  CHSC33925  Cupressus bakeri M. S. Taylor 1981-8-3 4151 Plumas Along drainage east of Mud Lake, ca. 0.6 mi ne of Eisenheimer Peak, ca. 10 air mi n of Genesee. 2042 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
  RSA595070  Cuscuta californica J. T. Howell, G. D. Fuller, G. D. Barbe 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
  JEPS104188  Cuscuta occidentalis Lowell Ahart 2003-9-7 10563 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  SBBG119861  Cuscuta occidentalis L. Ahart 2003-9-7 10563 Plumas Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Pk, ca. 9 mi (air) NE of La Porte 2038 Comment
  CHSC65377  Cuscuta subinclusa Lowell Ahart 1995-9-13 7638 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CAS-BOT-BC205710  Cusickiella douglasii James R. Shevock 1985-5-19 11166 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01 at Dixie Valley, 11.6 miles northwest of Frenchman Reservoir 1900 Comment
  CHSC70787  Cynoglossum occidentale B. Castro; R. Zebell, R. Fallscheer 1989-8-15 392 Plumas Ca 6 air mi S of Bucks Lake, ca 0.15 mi W of USFS Rd 23N15, in upper end of tributary to Arkansas Ravine. On NW-facing slope. 1645 Comment
  CAS-BOT-BC114127  Cyperus squarrosus John Thomas Howell 1959-9-25 34987 Plumas Sandy beach of Feather River, Portola. 1478 Comment
  CHSC34310  Cyperus squarrosus L. Ahart 1981-9-6 3085 Plumas On a sandbar along Indian Creek, ca.1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  RSA59852  Cyperus squarrosus E. K. Balls 1950-9-14 15814 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET13709640  Cyperus squarrosus Lowell William Ahart, Lowell William Ahart 2003-1 10428 Plumas 4.5 Air Mi. NW of La Porte, 1/4 Mi. W of Lumpkin Ridge Road (39 Deg 44'27.7"N, 121 Deg 01'58.5"W) 5610 Ft. 1710 Comment
  CHSC111724  Cypripedium californicum Lowell Ahart 2012-7-1 18254 Plumas Along the creek, on both sides of the small stream ... Field redacted by CHSC, contact the data manager for more information 850 Comment
  CHSC111725  Cypripedium californicum Lowell Ahart 2012-7-1 18257 Plumas On the east side of the dirt road to the large pip ... Field redacted by CHSC, contact the data manager for more information 807 Comment
  JEPS64392  Cypripedium californicum W. I. Follett 1941-6-1 124 Plumas Red Hill Red Hill (s side) 1158 Comment
  CHSC21814  Cypripedium fasciculatum F. T. Griggs; A. Pass 1975-7-31 270 Plumas Grizzly Forebay. ... Field redacted by CHSC, contact the data manager for more information Comment
  CHSC70821  Cypripedium fasciculatum B. Castro; R. Zebell, R. Fallscheer 1989-8-15 391 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi W of USFS R ... Field redacted by CHSC, contact the data manager for more information 1645 Comment
  CHSC108126  Cystopteris fragilis Lowell Ahart 2011-9-20 17691 Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2001 Comment
  CHSC44604  Cystopteris fragilis Vernon Oswald 1983-8-17 1002 Plumas Pacific Crest Trail ca. 2500 ft e of Humboldt Summit. 2011 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
  CHSC92146  Dactylis glomerata Lowell Ahart; John Dittes 2005-9-20 12457 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  POM119131  Damasonium californicum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC189665  Danthonia californica David D. Keck 1944-7-8 5431 Plumas Sierra Nevada. 5 miles north of Quincy, on road to Keddie. 1005 Comment
  CAS-BOT-BC192349  Danthonia unispicata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. North of the dirt road that is NE of Finger Board Mtn. 1800 Comment
  CHSC112553  Danthonia unispicata B. Castro; L. P. Janeway 2007-6-24 1645 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, 250-300 ft below edge ofopen Ponderosa-Jeffrey pine forest. 1674 Comment
  CHSC91601  Danthonia unispicata G. D. Barbe; T. C. Fuller 1982-6-17 3852 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  UCD32542  Danthonia unispicata Beecher Crampton 1954-5-10 1867 Plumas Plumas County, 1 mile west of Portola, along highway 24. 1472 Comment
  UC1337984  Darlingtonia californica Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2703 Plumas 1/4 mi s junction of US Forest Service Roads 25N15 and 25N12 (vicinity of Butterfly Valley) 1082 Comment
  UC196114  Darlingtonia californica unknown June 1894 6520 a Plumas Quincy Comment
  UCD119083  Darlingtonia californica Barry Rice 2011-7-24 BR 110713 Plumas location unknown. 1560 Comment
  UCD102616  Darmera peltata Alva Day Date unknown s.n. Plumas Cascade Creek. Comment
  HSC31364  Delphinium depauperatum Larry E. DeBuhr, G. D. Wallace 1972-5-21 586 Plumas Plumas National forest, 1.0 mi. W of junction of Hwy. 89 and 70 N of Graegle 1341 Comment
  UC1075687  Delphinium depauperatum Robert J. Weatherby 1955-7-2 1574 Plumas creek below Bear Ridge (near Taylor Lake) 1981 Comment
  CHSC1450  Delphinium nudicaule R. Carter 1964-5-16 87 Plumas Feather R. ca. 1/4 mi. up E. side of Pauls Creek. 670 Comment
  CAS-BOT-BC9821  Delphinium nudicaule Lowell Ahart 1981-6-23 2864 Plumas Along West Branch of Hopkins Creek, near Blue Nose Mtn., about 12 miles NE of La Porte 1800 Comment
  CAS-BOT-BC116096  Delphinium nuttallianum Anna Head 1920-7-1 s.n. Plumas Gravelly flats near Gold Lake, Feather River Region 1828 Comment
  CAS-BOT-BC116128  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-16 7476 Plumas Diamond Peak Comment
  JEPS23505  Delphinium nuttallianum John W. Duffield 1937-5-29 Plumas near Quincy Q (a white stone 'Q'--an airplane signal--on hillslope just e of Quincy) Comment
  RSA641883  Delphinium nuttallianum Michael A. Vincent 1999-6-7 8524 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  SEINET5338162  Delphinium nuttallianum P. A. Lehenbauer 1926-5-31 1457 Plumas Clover Valley, Plumas Nal. Forest. Comment
  UC118562  Delphinium nuttallianum Mrs. R. M. Austin Aug. 1896 446 Plumas Big Meadows Comment
  UC726274  Delphinium nuttallianum A. A. Heller 1940-5-22 15660 Plumas near Feather River; Chester Comment
  CHSC91595  Deschampsia cespitosa G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. 1158 Comment
  RSA59663  Deschampsia cespitosa E. K. Balls 1950-9-9 15730 Plumas West of Lakes Center Public Campgound. 2043 Comment
  UC174592  Deschampsia cespitosa A. A. Heller and P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC198155  Deschampsia danthonioides John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1969-6-24 2641 Plumas Valley Proper - Butterfly Botanical Area and Vicinity 1036 Comment
  CDA31658  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas W side of Lake Almanor 0 Comment
  UC790983  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas w. side Lake Almanor 1828 Comment
  CAS-BOT-BC43038  Descurainia incisa subsp. incisa M. S. Taylor 1982-5-19 4480 Plumas Ridgetop, ca. 1.5 mile east of Portola, on edge of Ramelli Ranch boundary. 1755 Comment
  CAS-BOT-BC43506  Descurainia sophia 1976-6-7 233 Plumas Sierra Y M. On shoulder of Dyson Lane 1.5 km west of metal bridge. 1524 Comment
  LA47693  Dicentra formosa C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA7879  Dichelostemma multiflorum H. A. Barker 1927-7-1 760 Plumas Blairsden 1372 Comment
  SEINET194964  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray's Flat on the Feather River Highway 869 Comment
  RSA59106  Dichelostemma multiflorum E. K. Balls 1950-8-30 15510 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CHSC65488  Dieteria canescens var. canescens L. P. Janeway 1995-9-19 4934 Plumas 0.9 mi east of Crocker Creek and Crocker Guard Station and Crocker Campground. Roadside. 1883 Comment
  JEPS120754  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  CAS-BOT-BC209012  Digitaria sanguinalis John Thomas Howell 1951-6-29 27768 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC150232  Diplacus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54406 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC150486  Diplacus grandiflorus Lewis S. Rose 1963-6-2 63079 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CHSC21105  Diplacus layneae F. T. Griggs; A. Pass 1975-7-1 3 Plumas East of Grizzly Creek. Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC151825  Diplacus mephiticus Clare B. Hardham 1970-8-9 17704 D Plumas Thompson Peak, ca. 23 miles northeast of Greenville 2346 Comment
  CHSC53174  Diplacus mephiticus L. P. Janeway 1989-4-9 3276 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC97511  Diplacus mephiticus Lowell Ahart; John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC153951  Diplacus pygmaeus Wayne Dakan 1978-5-24 s.n. Plumas Ca. 1/2 mile west of north edge of Almanor (probably near Hwy 89) 1389 Comment
  CAS-BOT-BC151684  Diplacus torreyi Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  POM181632  Dodecatheon hendersonii J. G. Lemmon s.n. Plumas Sierra Valley. Comment
  UCSB45347  Dodecatheon hendersonii Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy. 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
  CHSC20832  Downingia bacigalupii K. R. Stern 1975-7-23 5819 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC33805  Downingia bacigalupii M. S. Taylor; M. Foster, M. McCollum 1981-6-23 3945 Plumas Tamelli Ranch, along North Fork Feather River, ca. 1/4 mi s of Hwy 70, ca. 1 mi w of Beckwourth. 1493 Comment
  UC635665  Downingia bacigalupii H. L. Mason 1924-6-26 1092 Plumas Blairsden Comment
  UC890636  Downingia bacigalupii Mrs. A. L. Coombs 1906-7 Plumas Prattville 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
  JEPS24762  Downingia bicornuta var. bicornuta John H. Weiler, L. Constance, and E. Molseed 1960-6-12 60153 Plumas 2.5 mi nw Lake Almanor Public Camp (beside State Highway 89) Comment
  CHSC81357  Draba verna L. P. Janeway 1996-4-11 4955 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  RSA189431  Draba verna L. S. Rose 1967-5-6 67059 Plumas Quincy. 1043 Comment
  RSA189335  Draperia systyla L. S. Rose 1967-7-9 67141 Plumas Caribou, North Fork, Feather River. 915 Comment
  JEPS84395  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  CHSC34010  Drosera rotundifolia M. S. Taylor 1981-6-15 3906 Plumas N side of Bucks Lake Rd, 0.2 mi n of Bucks Summit. ... Field redacted by CHSC, contact the data manager for more information 1645 Comment
  CAS-BOT-BC401586  Drosera rotundifolia M. S. Taylor; H. Swanson 1982-8-11 4975 Plumas Beaver trail at s end of Jamison Creek Campground, Plumas-Eureka State Park, ca. 2 mi sw of Johnsville 1712 Comment
  SEINET6647417  Drosera rotundifolia H. N. Mozingo s.n. Plumas Butterfly Valley Comment
  CAS-BOT-BC159585  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1978-8-11 21785 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  CHSC101785  Drymocallis glandulosa var. reflexa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15864 -B Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CAS-BOT-BC143433  Drymocallis lactea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54395 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  CHSC63166  Drymocallis lactea var. austiniae Lowell Ahart 1994-6-29 7415 Plumas Along a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CHSC78733  Dulichium arundinaceum L. P. Janeway 2000-7-7 6897 Plumas Northern High Sierra Nevada. Marsh on west side of Smith Lake - enlarged by beaver activity. 1247 Comment
  CHSC36508  Dysphania botrys L. Ahart 1981-9-6 3075 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mill. 1200 Comment
  SD175811  Dysphania botrys D. G. Kelch, Alan Smith, et al. 2006-6-20 06 277 Plumas On route 70 west of Storrie. 548 Comment
  CHSC34782  Dysphania pumilio L. Ahart 1981-9-6 3086 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC113585  Elatine Lowell Ahart 2014-8-24 19740 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
  CHSC82458  Eleocharis acicularis Lowell Ahart 2002-6-26 9756 Plumas In a meadow, on the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  CHSC102113  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16228 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
  JEPS110543  Eleocharis acicularis var. bella Lowell Ahart 2006-10-23 13486 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 1281 Comment
  JEPS115895  Eleocharis acicularis var. bella Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16153 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  CAS-BOT-BC113433  Eleocharis bella A. A. Heller; P. B. Kennedy 1907-7-3 8693 Plumas Red Clover Valley Comment
  JEPS103552  Eleocharis bella Lowell Ahart 2002-7-2 9815 Plumas 9 air mi NW of La Porte (water holding pond 150 yds N of Forest Road 22N94, Hartman Bar Ridge, 1 air mile SW of Franklin Hill, 4 1/2 mi NW of Tamarack Flat) 1597 Comment
  CAS-BOT-BC113383  Eleocharis engelmannii Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CAS-BOT-BC113382  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  JEPS113650  Eleocharis macrostachya Lowell Ahart, Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  CAS-BOT-BC112913  Eleocharis macrostachya Malcom A. Nobs; Gordon H. True 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  CHSC69523  Eleocharis montevidensis Lowell Ahart 1997-9-11 7899 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mi south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  RSA59243  Eleocharis obtusa var. engelmannii E. K. Balls 1950-8-31 15546 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC112045  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1672 Plumas In Sweetwater Meadow. 1127 Comment
  SEINET10501559  Elodea canadensis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4977 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  CAS-BOT-BC227732  Elymus elymoides L. P. Janeway 1989-6-23 3390 Plumas Beckwourth Ranger District, Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east 1874 Comment
  RSA299153  Elymus glaucus J. T. Howell 1975-7-22 51373 Plumas 2 miles northwest of Spring Garden 1174 Comment
  SBBG553  Elymus glaucus A. A. Beetle 1941-6-28 2903 Plumas St Hwy 36, 10 mi W of Chester 1524 Comment
  CAS-BOT-BC206504  Elymus glaucus subsp. glaucus John Thomas Howell 1951-6-27 27568 Plumas Johnsville - Sierra Nevada` 1584 Comment
  CAS-BOT-BC206518  Elymus glaucus subsp. glaucus John Thomas Howell 1959-9-26 35054 Plumas Near Virgilia - Sierra Nevada 841 Comment
  CHSC115893  Elymus glaucus subsp. glaucus L. P. Janeway 2015-7-29 11812 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CAS-BOT-BC213818  Elymus repens John Thomas Howell 1961-9-23 36826 Plumas Indian Valley - Sierra Nevada 1082 Comment
  OBI21785  Elymus trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  UCD62713  Elymus trachycaulus John Thomas Howell 1960-7-18 35547 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC204249  Elymus trachycaulus subsp. subsecundus John Thomas Howell 1960-7-18 35607 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SD149206  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Circa 0.1 mile North of Feather Fork Mine, circa 8 miles North of La Porte 2000 Comment
  CAS-BOT-BC204410  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1951-6-27 27566 Plumas Johnsville 1584 Comment
  HSC8764  Elymus trachycaulus subsp. trachycaulus L. S. Rose 1968-6-10 68095 Plumas Quincy Meadow 1037 Comment
  RSA794790  Elytrigia intermedia subsp. intermedia L. Ahart, John Dittes 2009-7-13 16040 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CDA14043  Epilobium brachycarpum G. F. Hrusa, T. D. Wilfred 1996-8-1 13415 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC53689  Epilobium brachycarpum L. P. Janeway 1989-7-19 3496 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
  CHSC99834  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA59241  Epilobium brachycarpum E. K. Balls 1950-8-31 15529 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  CAS-BOT-BC171707  Epilobium canum subsp. latifolium Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC95281  Epilobium canum subsp. latifolium L. P. Janeway 2006-10-31 8916 Plumas Northern High Sierra Nevada. Plumas National Forest; basalt tableland on east side of Lumpkin Road 0.4 km northeast of Road 21N65 and 1.1 road km southwest of McNair Saddle; east-facing outcrop overlooking Bear Creek and South Fork Feather River. 1554 Comment
  UC337279  Epilobium canum subsp. latifolium unknown Sept. 1874 Plumas Comment
  RSA46328  Epilobium ciliatum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  CDA13367  Epilobium ciliatum subsp. ciliatum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13216 Plumas Sierra Nevada; Rattlesnake Creek on S side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Comment
  JEPS28613  Epilobium ciliatum subsp. ciliatum George W. Gillett 1957-7-17 798 Plumas moist gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  JEPS118382  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  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
  UCR67649  Epilobium densiflorum J. T. Howell 1961-9-24 36904 Plumas Sierra Nevada Mtns., Feather river bed SW of Beckworth. 1488 Comment
  CHSC91905  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart; Josephine Guardino 2005-8-9 12292 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS107627  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart, Josephine Guardino 2005-8-9 12292 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS122176  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2014-8-26 19796 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SEINET10453193  Epilobium glandulosum var. tenue Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4659 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  UCD106480  Epilobium hallianum Dean W. Taylor 1976-7-9 6188 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  RSA101455  Epilobium hallianum R. Weatherby 1955-7-2 1583 Plumas Wilcox Valley. 1768 Comment
  JEPS26685  Epilobium minutum P. C. Hutchison 1961-6-9 2118 Plumas along Hwy US Alt 40 at bridge 2 mi s (below) Rich Bar (on cliff above road); canyon of the north fork of the Feather River Comment
  SD46719  Epilobium oregonense Robert Weatherby 1955-7-2 1583 Plumas Common in damp meadow bordered by Pinus murrayana. Red Fir Forest. Wilcox Valley. 1768 Comment
  SBBG30544  Epilobium torreyi D. Myrick 1968-6-19 1949 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  CHSC36320  Epipactis gigantea M. S. Taylor 1982-8-4 4918 Plumas On n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1889 Comment
  UC429342  Epipactis gigantea Mrs. R. M. Austin July 1878 300 Plumas Mt. Dyer Comment
  SEINET10470021  Epipactis gigantea Mary Susan Taylor 1981-7-26 Taylor 4110 Plumas T26N R7E nw1/4 se1/4 sec. 33. Almanor SW. Quincy RD. N side of Caribou Rd., just E of where French Creek crosses, 4.4 mi NE of jct Caribou Rd and Hwy 70 near Beldon. 945 Comment
  SEINET10896358  Equisetum arvense Patricia L. Kenney 1973-6-5 Kenney 429 Plumas Collected along a stream along Hwy 70, 6 mi S from jct of Hwy 89 & 70. Douglas fir and yellow pine. 1067 Comment
  CAS-BOT-BC57391  Equisetum laevigatum David D. Keck 1932-7-3 1701 Plumas Quincy, in the Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC57398  Equisetum laevigatum John Thomas Howell 1959-9-21 34817 Plumas Indian Creek 914 Comment
  UC1125747  Eremogone aculeata C. G. Albertus 1935-8-13 266 Plumas Plumas National Forest,Mt. Ingalls, Downieville Quadrangle 2553 Comment
  UC852465  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas 12 mi w Bucks (Near the summit of Soapstone ridge); Sierra Nevada, Soapstone ridge 1676 Comment
  CHSC101458  Eremogone kingii var. glabrescens L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-7-1 9833 Plumas Northern High Sierra Nevada. Top of ridge just east of Road 23N73Y 2.4 road mi north-northwest of Grizzly Summit; north side of Oak Ridge and at the head of Foreman Creek. 1737 Comment
  CAS-BOT-BC174390  Eremogone macradenia var. macradenia Merrel Ackley; Alice Ackley 1967-5-15 s.n. Plumas Feather River Canyon (N. Fork) at Chambers Creek 609 Comment
  UC572482  Eriastrum wilcoxii C. W. Hanks 1934-8-6 6 Plumas ne end of Sierra Valley Plumas National Forest, Sierraville Quadrangle 1554 Comment
  CAS-BOT-BC286654  Ericameria bloomeri Carl B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. Line 1463 Comment
  CAS-BOT-BC286660  Ericameria bloomeri John Thomas Howell 1960-7-20 35781 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CHSC36880  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC65484  Ericameria bloomeri L. P. Janeway 1995-9-19 4935 Plumas Along sides of dirt road on upper flank of southern tip of Crocker Mountain. 2194 Comment
  OBI16780  Ericameria bloomeri Carl B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line 1463 Comment
  RSA59451  Ericameria bloomeri E. K. Balls 1950-9-2 15652 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  JEPS31327  Ericameria greenei W. L. Jepson 1939-8-12 19385 Plumas sw edge, Lassen County Honey Lake; Diamont Mts., Black Mountain 1981 Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  CHSC44859  Ericameria nauseosa var. speciosa Lowell Ahart 1974-10-1 650 Plumas On the west part of Buzzards Roost Ridge, about 1 mile north of Onion Valley, north of Pilot Peak. 1981 Comment
  CHSC96059  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. 792 Comment
  JEPS103368  Ericameria nauseosa var. speciosa Lowell Ahart 2002-10-19 10003 Plumas Forest on the S side of the dirt road, ca 1/4 mile E of Humboldt Road, ca 1 3/4 miles (air) NE of Humboldt Summit. 1750 Comment
  JEPS113320  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. Comment
  UC1119836  Ericameria nauseosa var. speciosa E. Nourse 1934-9-4 24 Plumas 2 1/2 mi ssw of Quincy; Plumas National Forest, Downieville Quad. 1828 Comment
  CAS-BOT-BC293032  Ericameria parryi var. nevadensis L. P. Janeway 1989-7-19 3501 Plumas Beckwourth Ranger District, Plumas National 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
  UC203265  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2183 Plumas Keddie Comment
  UC203269  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2180 Plumas Portola Comment
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  CAS-BOT-BC58396  Erigeron bloomeri R. C. Wenk 2009-7-13 1118 Plumas Plumas N.F., Frenchman Lake, Little Last Chance Creek Road, 1.2 air mi. WNW of reservoir dam 1750 Comment
  CHSC72298  Erigeron compositus L. P. Janeway; Glenn Clifton 1998-7-9 5736 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CDA13411  Erigeron coulteri G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13260 Plumas Sierra Nevada; immed. below headwaters of Bull Run Creek off USFS 23N12E. 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
  CHSC74635  Erigeron divergens B. Castro; L. Gehrung 1998-7-30 820 Plumas Ca. 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. Near entrance to main diggings. 1469 Comment
  JEPS113588  Erigeron divergens Lowell Ahart, Josephine Guardino 2007-7-20 14337 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS41784  Erigeron divergens W. L. Jepson 1939-8-16 19431 Plumas Portola Comment
  RSA302614  Erigeron divergens J. R. Shevock 1972-5-19 1792 Plumas Near Greenville, Hwy. 89 915 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
  OBI50214  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas W side of ridge between Diamond Mt and Red rocks, ca 8 airmiles S of Susanville; stem slope near snowbank above meadow, T28N R11E sec 11 NE1/4 2225 Comment
  RSA39539  Erigeron eatonii var. plantagineus P. A. Munz 1947-5-17 11849 Plumas 20 miles north of Chilcoot. 1829 Comment
  RSA523562  Erigeron eatonii var. sonnei Barbara Ertter 1989-7-3 8651 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CHSC93042  Erigeron filifolius var. filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. 1884 Comment
  JEPS85617  Erigeron glacialis var. glacialis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3950 Plumas about 1.5 mi n Sierra County border (meadow at end of road and beginning of trail to Long Lake); Mt. Elwell region 1981 Comment
  CHSC99814  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-14 15198 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  UC1118154  Erigeron inornatus var. inornatus C. W. Hanks 1934-8-6 8 Plumas nw end of Sierra Valley; Plumas National Forest, Sierraville Quadrangle, Sierra Valle 1584 Comment
  CHSC115898  Erigeron lassenianus var. deficiens L. P. Janeway 2015-7-29 11808 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CHSC73929  Erigeron lassenianus var. deficiens B. Castro; L. Gehrung 1998-9-14 838 Plumas On E shore of Little Grass Valley Reservoir, ca 0.1 mi N of Running Deer CG, near lakeshore foot-trail. 1524 Comment
  CAS-BOT-BC295486  Erigeron lassenianus var. lassenianus Walter Knight; Irja Knight; John Thomas Howell; Lewis Rose 1966-7-26 1624 Plumas Butterfly Botanical Area and vicinity. At Fern Glen 1097 Comment
  SEINET3146618  Erigeron lassenianus var. lassenianus L. S. Rose 1939-6-8 39264 Plumas S end of Lake Almanor 1372 Comment
  UC176776  Erigeron lassenianus var. lassenianus A. A. Heller and P. B. Kennedy 1907-7-3 8704 Plumas hills above Red Clover Valley Comment
  CAS-BOT-BC295499  Erigeron lassenianus var. lassenianus H. M. Hall; E. B. Babcock 1903-7-1 4419 Plumas Sierra Nevada Mountains. On Warner Creek 1463 Comment
  JEPS55231  Erigeron lassenianus var. lassenianus Lewis S. Rose 1967-7-11 67160 Plumas 9.5 mi ne Quincy Junction 1249 Comment
  CHSC20979  Erigeron peregrinus var. callianthemus F. T. Griggs; A. Pass 1975-7-23 231 Plumas Cape Lake. Comment
  CAS-BOT-BC295792  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-8-25 4238 Plumas Red Hill Lookout, ca. 3 air mi ne of Belden 1920 Comment
  CAS-BOT-BC295793  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-6-27 27625 Plumas Jamison Creek 1828 Comment
  LA212260  Erigeron philadelphicus Jim R. Shevock; 1972-5-19 1789 Plumas Hwy. 89 near Indian Falls dump area. 609 Comment
  CDA14741  Erigeron pumilus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3283 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CHSC36335  Erigeron pumilus var. intermedius M. S. Taylor 1982-6-28 4769 Plumas Ramelli Ranch, between Calpine Rd and Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  JEPS102801  Erigeron pumilus var. intermedius Lowell Ahart 2001-8-29 9234 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC45930  Eriodictyon californicum Lowell Ahart 1981-6-25 2883 Plumas On the road cutbank, along the dirt road, about 1 mile north of Nelson Creek, about 16 miles north-east of La Porte. 1554 Comment
  RSA285640  Eriodictyon californicum D. C. Michener 1981-7-17 4018 Plumas Sierra Nevada. CA-70 ca. 1.5 miles north of Tobin. Comment
  JEPS123967  Eriodictyon lobbii Lowell Ahart 2015-7-4 20292 Plumas About1 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 2 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC256164  Eriogonum douglasii var. meridionale Volney Rattan 1903-1-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC246536  Eriogonum elatum var. elatum John Thomas Howell; Gordon H. True 1973-7-31 50118 Plumas Summit ridge of Thompson Peak, Diamond Range 2133 Comment
  RSA252384  Eriogonum elatum var. elatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39251 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC255755  Eriogonum elatum var. villosum Lewis S. Rose 1955-7-20 55159 Plumas Mohawk 1371 Comment
  CAS-BOT-BC259354  Eriogonum lobbii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC107474  Eriogonum lobbii L. P. Janeway; Peter Zika 2011-8-6 10630 Plumas Northern High Sierra Nevada. Plumas National Forest; on top of the serpentine ridge on southest side of Quincy-La Porte Road, 1.4 air km northwest of Pilot Peak. 2015 Comment
  RSA11908  Eriogonum marifolium Elmer I. Applegate 1929-6-21 5817 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  RSA70711  Eriogonum marifolium L. S. Rose 1951-6-28 51055 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CAS-BOT-BC263299  Eriogonum marifolium var. marifolium A. A. Heller; P. B. Kennedy 1907-7-3 8707 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC263312  Eriogonum marifolium var. marifolium Anna Head 1921-6-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC263313  Eriogonum marifolium var. marifolium Anna Head 1920-7-28 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC110280  Eriogonum marifolium var. marifolium L. P. Janeway 2012-6-2 10847 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CAS-BOT-BC261361  Eriogonum nudum var. deductum A. A. Heller; P. B. Kennedy 1907-7-13 8834 Plumas Between Taylorville [Taylorsville] and Little Grizzly Creek Comment
  CAS-BOT-BC261367  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area Comment
  CHSC69685  Eriogonum nudum var. deductum Vernon Oswald 1986-7-10 2189 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. Scattered plants on an open serpentine slope. 1965 Comment
  RSA60028  Eriogonum nudum var. deductum E. K. Balls 1950-9-1 15582 Plumas east shore of Long Lake, toward Mt. Elwell 2104 Comment
  SEINET10479526  Eriogonum nudum var. deductum Mary Susan Taylor 1981-7-17 Taylor 4038 Plumas T21N R12E se/se sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, in front of Big Bear Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1987 Comment
  CHSC24261  Eriogonum nudum var. nudum K. R. Stern 1974-7-24 Plumas S end of Lake Almanor. Comment
  CHSC69216  Eriogonum nudum var. nudum J. D. Jokerst 1984-9-22 2149 Plumas Top of ridge separating Yellow Cr and the N Fk Feather River along USFS road 26N26. 1463 Comment
  JEPS56656  Eriogonum nudum var. nudum Esther Fritz and T. H. Harris 1926-7-18 Plumas at edge of meadow, Meadow Valley Meadow Valley Comment
  CHSC76141  Eriogonum nudum var. oblongifolium G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3101 Plumas Serpentine of reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC269728  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-7-21 4888 Plumas American Valley, on ne side of hill s of Greenhorn Creek, ca. 1.5 mi ne of Quincy 1066 Comment
  UCD101249  Eriogonum spergulinum var. reddingianum John Thomas Howell 1960-7-18 35577 Plumas Drakesbad. 1676 Comment
  JEPS56320  Eriogonum spergulinum var. reddingianum W. L. Jepson 1939-4-12 19383 Plumas Ferris Creek, branch of Last Chance Creek 1767 Comment
  CHSC53052  Eriogonum strictum var. anserinum L. P. Janeway 1989-6-23 3380 Plumas Plumas National Forest Beckwourth Ranger District. Upper w-facing slope in ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  UC2043047  Eriogonum strictum var. proliferum Barbara Ertter with Gary Schoolcraft 1989-7-3 8640 Plumas Ca 1/2 mile below Red Rock lookout, ca. 8 air miles S of Susanville. Comment
  CAS-BOT-BC267502  Eriogonum umbellatum John Thomas Howell 1951-8-20 28222 Plumas Indian Valley 1097 Comment
  CAS-BOT-BC267503  Eriogonum umbellatum John Thomas Howell 1959-9-25 35032 Plumas 1.5 mi. se. of Cromberg 1280 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
  CHSC104743  Eriogonum umbellatum var. furcosum L. P. Janeway; Melanie Williams 2009-8-6 9911 Plumas Northern High Sierra Nevada. Plumas National Forest; 175 m east of the top of Red Hill. 1893 Comment
  CHSC65813  Eriogonum umbellatum var. modocense L. P. Janeway 1993-8-5 4500 Plumas Plumas National Forest. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. 1623 Comment
  JEPS127331  Eriogonum umbellatum var. modocense Lowell Ahart 2016-7-9 21084 Plumas Top and on the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC155203  Eriogonum umbellatum var. nevadense Katharine Brandegee 1911-7-30 Plumas Portola N. Sierra, Portola Comment
  JEPS118387  Eriogonum umbellatum var. polyanthum Lowell Ahart 2011-9-17 17672 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1645 Comment
  RSA739742  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-13 9186 Plumas Northern High Sierra Nevada above road 24N31 about 0.8 air kim E of Little Schneider Creek. 1402 Comment
  SBBG64055  Eriogonum umbellatum var. polyanthum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
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Feb 22 2017
  UCD101492  Eriogonum umbellatum var. polyanthum John Thomas Howell 1974-9-20 50898 Plumas 2 miles from Spring Garden on road to Quincy. 1158 Comment
  CDA22672  Eriogonum ursinum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .289 Plumas Plumas Eureka State Park. S Johnsville Comment
  UC912774  Eriogonum ursinum Anna Head 1920-4-1 Plumas Lake Center Camp Feather River Region, Lake Center Camp Comment
  CAS-BOT-BC262266  Eriogonum ursinum Lemmon 1878-9-1 s.n. Plumas Mohawk & Indian Valleys Comment
  RSA766450  Eriogonum ursinum Joseph A. Ewan 1934-7-16 8528 Plumas Between Long lake and Mt Elwell Summit 2104 Comment
  SEINET5332055  Eriogonum ursinum J. L. Reveal 1975-8-24 3974 Plumas Along the La Porte-Quincy Road, 17.5 miles south of Quincy and 0.3 mile south of the Chimney rock Trail turnoff, about 1 airline mile west of Pilot Peak. Comment
  CHSC105596  Eriogonum ursinum var. ursinum L. P. Janeway 2010-7-13 10105 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. 1721 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
  NY399821  Eriogonum vimineum Mrs. Ames 1876-1 s.n. Plumas Comment
  SJSU15257  Eriogonum vimineum S. Woolhouse 2009-7-28 15 Plumas Next to Caribou Road and the North Fork of the Feather River Comment
  UCD101527  Eriogonum vimineum John Thomas Howell; Gordon True, Walter Knight, Irja Knight 1967-7-10 2184 Plumas Butterfly Botanical Area and Vicinity; mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC262328  Eriogonum vimineum W. Harnach; N. Harnach 1989-6-29 200 Plumas Sierra Valley. Hindoo Ranch 1490 Comment
  CAS-BOT-BC264121  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas North side of road, about 2 miles north of Belden on Caribou Road 1200 Comment
  CAS-BOT-BC124155  Eriophyllum lanatum var. cuneatum Amos Arthur Heller 1913-6-13 10855 Plumas Near Quincy 1066 Comment
  RSA79042  Eriophyllum lanatum var. grandiflorum E. K. Balls, Percy C. Everett 1952-10-14 18211 Plumas 3.6 miles south of jct. of Highways 89 and 24 along Feather River Highway 762 Comment
  CAS-BOT-BC301418  Eriophyllum lanatum var. grandiflorum Clare B. Hardham 1961-6-15 7399 Plumas Sierra Nevada Mountains. Intersection of roads to Lassen and to Taylorsville (between Quincy and Engelmine) 1219 Comment
  CAS-BOT-BC308269  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 115 Plumas Slopes above the Feather River, 3 miles east of Keddie Comment
  UC1118251  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-10 94 Plumas 4.75 mi wsw Summit; Sierraville Quadrangle Comment
  UCD97453  Erodium cicutarium Albert Grigarick 2010-5-11 243 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.5 mi. 1483 Comment
  CAS-BOT-BC41517  Erysimum asperum Lloyd W. Swift 1931-6-1 46 Plumas Plumas forest. Summit of Janesville Grade. 1828 Comment
  CAS-BOT-BC54322  Erysimum capitatum Anna Head 1920-6-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC150233  Erythranthe breweri Clare B. Hardham 1978-8-11 21778 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC101866  Erythranthe breweri Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15901 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  SEINET14291740  Erythranthe guttata A. A. Heller, P. B. Kennedy 1907-7-11 8794 Plumas Sierra Nevada, Prattville. Comment
  CHSC113902  Erythranthe lewisii Lowell Ahart 2014-8-24 19754 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SD46685  Erythranthe moniliformis Robert J. Weatherby 1955-8-12 1682 Plumas McFarland Creek near Morrow Creek, above Meadow Valley 1431 Comment
  SEINET8225575  Erythranthe moniliformis E. K. Balls 1950-9-14 15801 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SEINET14374589  Erythranthe primuloides H. Hamlin s.n. Plumas Sierra Valley. Comment
  POM175522  Erythranthe pulsiferae F. W. Peirson 1926-6-21 6801 Plumas Lake Almanor. Comment
  RSA430188  Erythranthe pulsiferae Christopher Davidson 1975-6-7 2733 Plumas 4.6 mi N. of Greenville on Hwy 89. 1238 Comment
  RSA80484  Erythranthe pulsiferae F. W. Peirson 1926-6-21 6801 Plumas Open flat strip along shore of Lake Almanor. Comment
  CAS-BOT-BC505244  Erythronium grandiflorum G. Earle Kelley 1919-1-1 s. n. Plumas Salmon Lake Comment
  CAS-BOT-BC502826  Erythronium multiscapideum John Thomas Howell; Gordon H. True 1967-5-9 42231 Plumas Sierra Nevada, southeast side of North Fork of Feather River at Pulga Bridge Comment
  JEPS61869  Erythronium purpurascens Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  UC1042408  Erythronium purpurascens John Thomas Howell 1951-6-28 27684 Plumas Eureka Peak 1981 Comment
  CAS-BOT-BC505254  Erythronium purpurascens Elmer I. Applegate 1929-6-21 5802 Plumas Drakesbad, head of Warner Valley, Mt. Lassen National Park Comment
  RSA508597  Erythronium purpurascens Mrs. R. M. Austin 1874-03 s.n. Plumas Fern Dell. Comment
  CAS-BOT-BC110552  Eschscholzia John Thomas Howell 1955-7-19 30752 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC110553  Eschscholzia W. Harnach; N. Harnach 1990-6-16 392 Plumas Sierra Valley. Frank Dotta Ranch. 1524 Comment
  CAS-BOT-BC403357  Eschscholzia californica A. A. Heller; P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC403347  Eschscholzia californica F. Sommers 1976-7-29 188 Plumas Sierra Valley along Marble Lane at West end 1487 Comment
  CAS-BOT-BC403351  Eschscholzia californica John Thomas Howell 1961-9-23 36881 Plumas Cooks Creek Road near Engelmine 1082 Comment
  RSA60218  Eschscholzia californica subsp. californica E. K. Balls 1950-9-6 15692 Plumas 3.1 miles E of turn to Sloat, Hwy 24, between Quincy and Portola. 1250 Comment
  POM181048  Eschscholzia californica var. crocea A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC310381  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  CAS-BOT-BC310387  Eucephalus breweri John Thomas Howell; Gordon H. True 1967-7-11 43347 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC65619  Eurybia integrifolia L. P. Janeway 1995-10-11 4942 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  JEPS113548  Eurybia integrifolia Lowell Ahart, Josephine Guardino 2007-7-21 14363 Plumas Near a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  JEPS114610  Eurybia integrifolia Lowell Ahart 2008-9-10 15377 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  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
  JEPS115926  Festuca arundinacea Lowell Ahart, John Dittes 2009-7-27 16192 Plumas On dry soil, about 5 yards north 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
  CHSC53178  Festuca idahoensis L. P. Janeway 1989-7-11 3477 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  JEPS102464  Festuca idahoensis Lowell Ahart 2001-7-19 8953 Plumas On a sand bar, on the east side of Hopkins Creek, about 100 yards NW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  UCD66090  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  SEINET10963534  Festuca idahoensis Lawrence P. Janeway 1989-7-11 Janeway 3477 Plumas Crocker Mtn. Quad. T24N R13E S13 SE1/4. Forest along SW side of Red Clover Valley; ca. 0.3 mi SW of Beckwourth-Genesee Rd. (Rd. 111) 11.5 mi from Beckwourth. On floor of yellow pine forest. 1692 Comment
  OBI21834  Festuca microstachys Lewis S. Rose 1967-6-12 67115 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  OBI21857  Festuca microstachys Lewis S. Rose 1967-6-12 67120 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC278850  Festuca occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2168 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  RSA699249  Festuca occidentalis L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11004 Plumas On the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1518 Comment
  UCD105972  Festuca occidentalis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  RSA563622  Floerkea proserpinacoides G. L. Webster 1992-5-17 7767 Plumas 2 mi SW of Grizzly Valley Dam. 1738 Comment
  CAS-BOT-BC461211  Fragaria John Thomas Howell; H. Keith Wagnon 1980-5-27 53634 Plumas About 2 miles NW of Almanor 1389 Comment
  SEINET11910371  Fragaria platypetala W. Knight, Knight, I. 1983-1 4897 Plumas Warner Crk Campground betw. Chester adn Drakesbad 1539 Comment
  SBBG100079  Frangula californica subsp. tomentella S. W. Edwards 1989-9-13 Plumas Caribou Crk Rd above Caribou Crk 762 Comment
  CAS-BOT-BC55664  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC55665  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas E side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  SEINET10493570  Frangula rubra Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3819 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC55713  Frangula rubra subsp. obtusissima Miss. T. V. Raphael 1917-8-8 s.n. Plumas Mohawk Comment
  UC1134599  Fritillaria atropurpurea E. Sawyer 1935-6-27 193 Plumas 1.6 mi ene of Grizzly Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  RSA52952  Fritillaria atropurpurea R. Weatherby 1950-5-31 1436 Plumas West shore of Lake Almanor 1418 Comment
  CHSC101793  Galium aparine Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  UCD121721  Galium aparine Malcolm A. Nobs; S. Galen Smith 1949-8-19 1425 Plumas Bog at Taylorsville, south end of Indian Valley. Comment
  UC584311  Galium grayanum var. grayanum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2245 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  POM69202  Galium trifidum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  CDA18590  Galium triflorum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3275 Plumas Sierra Nevada; 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade). 1402 Comment
  CHSC67438  Garrya fremontii James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2557 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy 70. 1584 Comment
  CAS-BOT-BC169858  Garrya fremontii John Thomas Howell 1978-4-19 52853 Plumas yellow pine forest, eastern part of Quincy 1036 Comment
  SEINET10453488  Garrya fremontii Mary Susan Taylor 1981-8-19 Taylor 4219 Plumas T23N R11E ne 1/4 se 1/4 sec. 17. Blue Nose Mt. S side of 23N10, 0.2 mi W of Bell Creek, ca. 1.5 mi W of Sloat. 4500 ft. 1372 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
  SD7786  Gayophytum diffusum subsp. diffusum Daniel Cleveland 1882-7-20 Plumas Prattville. Comment
  JEPS113583  Gayophytum diffusum subsp. parviflorum Lowell Ahart, Josephine Guardino 2007-7-20 14354 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola 1518 Comment
  JEPS122088  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides 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
  POM249897  Gayophytum heterozygum Joseph A. Ewan 1934-7-18 8576 Plumas Camp Caldwell at Dentens, Mohawk Valley 1616 Comment
  SD130496  Gayophytum heterozygum Clarence R. Quick 1963-7-24 Plumas Cut over forest on shoulder of east-west ridge 1.5 miles east of Wheeler Peak. Comment
  POM184782  Gayophytum humile Merle Randall 1930-6-26 s.n. Plumas Falls, Hawley Grade [no county specified on label] Comment
  CHSC97474  Gayophytum racemosum Lowell Ahart; John Dittes 2007-6-16 14088 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
  UC1176844  Gayophytum ramosissimum Lewis S. Rose 1955-7-19 55153 Plumas Beckworth Pass 1493 Comment
  NY335423  Gentiana simplex R. M. Austin 07 1874 s.n. Plumas Fern Dell Comment
  UC405409  Gentianella amarella subsp. acuta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC459556  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CHSC100873  Geum triflorum L. P. Janeway; B. Castro 2008-6-8 9394 Plumas Northern High Sierra Nevada. Lower end of Lower Thompson Valley, about 1.4 km north of Red Clover Creek and about 75 m southwest of the Thompson Valley Creek. 1666 Comment
  SDSU3088  Gilia leptalea subsp. bicolor R. M. Beauchamp 1965-7-17 Plumas Growing along Feather River at Chester, California. Comment
  JEPS110431  Gilia leptalea subsp. leptalea Lowell Ahart 2006-7-9 12935 Plumas Near a very small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1661 Comment
  SEINET8655876  Gilia sinuata W. Harnach 2014-4-29 1384 Plumas Sierra Valley, on Frenchman Road, then 1.45 miles NE on FR 24N88, 1.2 miles N of Chilcoot. 1654 Comment
  SEINET10464594  Githopsis specularioides Taylor 1982-5-13 Taylor 4436 Plumas Open cut roadbank across from parking area; Gansner Park, Quincy. Qunicy quad. T24N R9E se1/4 ne1/4 Sec. 15 1036 Comment
  CAS-BOT-BC283880  Glyceria borealis John Thomas Howell 1976-7-15 51843 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  CHSC58538  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1992-7-6 5074 Plumas Lassen Volcanic Park. W side of Little Willow Lake, near the S boundary of the park. 1834 Comment
  JEPS107730  Glyceria borealis Lowell Ahart, John Dittes 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 2080 Comment
  CAS-BOT-BC282698  Glyceria elata Mary S. Clemens 1920-6-25 8 Plumas Taylorville Comment
  CAS-BOT-BC282708  Glyceria elata John Thomas Howell 1926-7-30 2153 Plumas Near Prattville 1463 Comment
  UCD85154  Glyceria elata S. Galen Smith; Malcolm A. Nobs 1949-8-20 1464 Plumas About 13 miles SW of Milford on road between Milford and Beckworth. Comment
  CDA14041  Gnaphalium canescens subsp. thermale G. F. Hrusa, T. D. Wilfred 1996-8-1 13413 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas NF. Comment
  CHSC102136  Gnaphalium palustre Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16221 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS107496  Gnaphalium palustre Lowell Ahart, John Dittes 2005-9-19 12390 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  JEPS122239  Gnaphalium palustre Lowell Ahart 2014-9-9 19834 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS34042  Gnaphalium palustre W. L. Jepson 1939-8-4 19340 a Plumas Rock Creek Meadow Valley, Rock Creek 1219 Comment
  SBBG21774  Gnaphalium palustre D. Myrick 1964-7-21 903 Plumas Drakesbad 1737 Comment
  RSA59685  Gnaphalium palustre E. K. Balls 1950-9-9 15752 Plumas West of Lakes Center Public Campground at south end of small lake. 2043 Comment
  SEINET10474672  Gnaphalium palustre Mary Susan Taylor 1982-6-28 Taylor 4760 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
  JEPS88363  Goodyera oblongifolia Vernon H. Oswald and Lowell Ahart 1996-8-14 8169 Plumas 1.9 mi se of Silver Lake Campground (ne of Bucks Lake, Silver Lake Road, northern High Sierra Nevada); High Sierra Nevada, Silver Lake Road 1645 Comment
  SD7821  Goodyera oblongifolia Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC74126  Gratiola ebracteata Mary Ann Griggs 1997-7-7 Plumas On W edge of Illinois Ridge, ca 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. 1493 Comment
  CHSC34325  Gratiola neglecta L. Ahart 1981-9-6 3115 Plumas On a sandbar along Indian Creek, ca. 1/2 mi se of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi se of Crescent Mills. 1200 Comment
  CHSC82133  Gratiola neglecta L. P. Janeway 2001-7-25 7384 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  UC1585987  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor (mud flats s of road) 1341 Comment
  SD7037  Gratiola virginiana Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET8551074  Greeneocharis circumscissa W. Harnach, N. Harnach 1990-6-16 386 Plumas Sierra Valley; N of Vinton, Frank Dotta Ranch. 1524 Comment
  RSA235924  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-20 2072 Plumas Mt. Hough, 7.9 miles northeast of Quincy on Mt. Hough-Crystal Lake Road 1707 Comment
  HSC22977  Hackelia micrantha John Pratt 1970-6-30 58 Plumas Humboldt Summit Comment
  SEINET10871996  Haplopappus lanceolatus Mary Susan Taylor 1982-8-27 Taylor 5044 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  UCD63700  Hastingsia alba Daniel Sanchez-Mata; Tomas Santamaria 2006-7-7 s.n. Plumas Plumas National Forest. Trail from Spanish Ranch to Virgilia. 1545 Comment
  CAS-BOT-BC508332  Hastingsia alba Alice Eastwood 1927-6-13 14556 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC508333  Hastingsia alba John Thomas Howell 1951-6-26 27533 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CAS-BOT-BC508341  Hastingsia alba Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1657 Plumas Sweetwater Meadow, Buterfly Botanical Area and Vicinity 1127 Comment
  CHSC84974  Hazardia whitneyi var. whitneyi Lowell Ahart 2003-10-17 10651 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile northeast of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  JEPS16774  Helianthus bolanderi Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4345 Plumas about 2 mi e Greenville (along roadside, road from Greenville to Indian Agency, Indian Valley) 1005 Comment
  CAS-BOT-BC315019  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas At the airfield west of Chester 1304 Comment
  UC480996  Hemizonella minima H. M. Hall 1912-6-29 9290 Plumas Spanish Peak 2133 Comment
  CDA6574  Hemizonia congesta subsp. clevelandii J. T. Howell 1961-9-23 36825 Plumas Sierra Nevada; Indian Valley. East of Crescent Mills on Stampfli Lane Comment
  POM77804  Heracleum maximum Marcus E. Jones 1897-7-6 s.n. Plumas Pratville. 1372 Comment
  CAS-BOT-BC55285  Hesperis matronalis John Thomas Howell 1963-6-3 39387 Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC36315  Hesperis matronalis M. S. Taylor 1982-6-9 4618 A Plumas Along Bucks Lake Rd, ca. 1/4 mi ne of Meadow Valley Inn. 1219 Comment
  UC1563669  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  UCD19159  Hesperolinon micranthum June McCaskill 1956-1 418 Plumas Lake Almanor region? Comment
  CHSC113632  Heterocodon rariflorum Lowell Ahart 2014-8-31 19827 Plumas Gravel bars 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
  JEPS124037  Heterocodon rariflorum Lowell Ahart 2015-7-4 20282 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC311019  Heterotheca oregona John Thomas Howell 1959-9-26 35077 Plumas 5 miles northeast of Storrie 609 Comment
  CHSC34307  Heterotheca oregona var. compacta L. Ahart 1981-9-6 3067 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  CDA17230  Heterotheca villosa G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16333 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
  CHSC110614  Heterotheca villosa var. hispida B. Castro; G. Kuenster 2006-8-4 1580 Plumas Northern High Sierra Nevada. Roadside shoulder across from Beckwourth volunteer fire station, on Beckwourth-Genesee Rd ca 0.2 mi N of its jcn with Hwy 70. 1493 Comment
  CAS-BOT-BC312290  Heterotheca villosa var. minor L. P. Janeway 1990-8-15 3829 Plumas Along edge of dirt road near Cascade Creek ca. 1 1/4 mi SW of Little Grizzly Creek 1859 Comment
  SD8409  Heuchera Mrs. R. M. Austin Aug 1882 Plumas Plumas County Comment
  SEINET11841728  Hieracium albiflorum W. Knight, Knight, I. 1983-1 4921 Plumas confluence of North Fork of Feather River & Warner Creek, between Chester & Drakesbad 1509 Comment
  CAS-BOT-BC318526  Hieracium greenei George W. Gillett 1957-7-13 755 Plumas Below Sifford Lakes on trail to Devil's Kitchen, Lassen Volcanic National Park 2057 Comment
  JEPS94969  Hieracium horridum Lowell Ahart 1997-8-28 7873 Plumas about 1 mi e of the Bunker Hill Mine (on s side of the dirt road, just w of Hopkins Creek) 1706 Comment
  CHSC102059  Hieracium scouleri var. nudicaule Lowell Ahart; John Dittes 2009-7-15 16086 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC110598  Hippuris vulgaris B. Castro; L. Janeway 2006-6-14 1566 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
  CHSC57086  Hippuris vulgaris L. P. Janeway; Garrett Gibson 1991-7-21 4082 Plumas Grizzly Creek at Oldhouse Creek confluence. Plumas National Forest Beckwourth Ranger District. Westside Compartment. 1764 Comment
  CAS-BOT-BC152719  Holodiscus microphyllus var. microphyllus Lewis S. Rose 1932-9-5 32614 Plumas Jamison Lake 1889 Comment
  UC1132103  Hordeum brachyantherum subsp. brachyantherum E. Sawyer 1935-6-7 83 Plumas 3 3/4 mi ssw Sugarloaf Peak; Sierraville Quad. Comment
  CDA18430  Horkelia fusca subsp. parviflora G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3149 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
  CHSC66767  Horkelia fusca subsp. parviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8181 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
  CHSC97114  Horkelia fusca subsp. parviflora Lowell Ahart; Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC24273  Horkelia fusca subsp. tenella K. R. Stern 1975-7-23 Plumas N end of Lake Almanor. Comment
  UC114274  Horkelia fusca subsp. tenella Mrs. R. M. Austin Aug 1896 388 Plumas Warner Valley Comment
  CAS-BOT-BC143432  Horkelia fusca var. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54170 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CAS-BOT-BC537869  Horkelia fusca var. parviflora W. B. Duncan 1927-8-1 s. n. Plumas Vicinity of Silver Lake Comment
  CAS-BOT-BC537875  Horkelia fusca var. parviflora E. K. Balls 1950-8-31 15526 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  RSA31652  Horkelia tridentata subsp. flavescens A. A. Heller 1938-5-21 15102 Plumas Plentiful on gravelly plain west of Chester. 1305 Comment
  CDA18664  Horkelia tridentata subsp. tridentata G. D. Barbe, T. C. Fuller 1982-6-15 3715 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CAS-BOT-BC538239  Horkelia tridentata var. flavescens unknown 1923-5-10 s.n. Plumas Lake Gill, Quincy Comment
  CHSC102582  Hosackia oblongifolia var. oblongifolia L. P. Janeway; B. Castro 2009-7-4 9846 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC45910  Hosackia stipularis var. ottleyi Lowell Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near the headwaters of Ohio Ravine, about 1 mile north-east of the Hardquartz Mine, about 6 miles south of Bucks Lake. 1584 Comment
  CHSC57189  Hydrophyllum capitatum var. alpinum Casey Stemler 1990-4-21 18 Plumas 8 mi west of Humbug Valley, 11 mi southeast of Hwy 32. 1280 Comment
  CHSC94917  Hydrophyllum capitatum var. alpinum L. P. Janeway; B. Castro 2006-6-3 8656 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
  SEINET10837216  Hydrophyllum capitatum var. alpinum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3838 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. N side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CHSC63256  Hydrophyllum occidentale Lowell Ahart 1994-6-15 7337 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CAS-BOT-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
  SJSU13930  Hypericum anagalloides N. A. Hopkins 1985-8-27 1317 Plumas Grass L 1786 Comment
  SD7539  Hypericum anagalloides D. C. 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  CHSC62553  Hypericum formosum var. scouleri B. Castro; L. P. Janeway 1987-7-17 141 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. Uphill from road in sunny moist meadow with water running through center. 1584 Comment
  JEPS101239  Hypericum formosum var. scouleri Dean W. Taylor 2000-8-8 17563 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS66825  Hypericum formosum var. scouleri R. H. Platt 1891-1 Plumas near Big Meadows; the Sierras Comment
  UC1123689  Ipomopsis aggregata D. Axelrod 1934-6-12 39 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. 1737 Comment
  JEPS800  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1939-7-31 19320 Plumas Spanish Peak 2042 Comment
  CHSC46647  Ipomopsis aggregata subsp. formosissima Lowell Ahart 1989-7-2 6351 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  CHSC82635  Ipomopsis aggregata subsp. formosissima L. P. Janeway 2001-7-3 7263 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA101391  Ipomopsis aggregata subsp. formosissima R. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  JEPS48959  Iris W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1249 Comment
  RSA0091949  Iris Bonnie C. Templeton 1968-1 11285 Plumas [No location data on label. Possibly Trinity County.] 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
  SEINET7725443  Iris hartwegii Unknown Plumas Indian Valley Comment
  SEINET8756767  Iris missouriensis W. Harnach, N. Harnach 1989-5-12 077 Plumas Sierra Valley 1/4 mile west of steel bridge (Marble lane) 1489 Comment
  CHSC102037  Isoetes bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of 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
  JEPS116136  Isoetes bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of 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
  SBBG122676  Iva axillaris J. Dittes, L. Ahart 2003-8-8 2003 -86 Plumas NW edge of Sierra Valley, ca. 0.9 air-mi N of Dyson Lane, E edge of Beckwourth-Calpine Rd (A23) 1488 Comment
  CAS-BOT-BC205653  Ivesia aperta James R. Shevock 1985-7-6 11315 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49, 0.2 mile north of Plumas-Sierra County line and about 2.5 miles north of Loyalton 1600 Comment
  CAS-BOT-BC205652  Ivesia baileyi James R. Shevock 1985-7-6 11316 Plumas Northern Sierra Nevada. Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir 1750 Comment
  CHSC48048  Ivesia sericoleuca L. P. Janeway; Linnea Hanson 1989-6-28 3405 Plumas Squaw Valley: NE quadrant of jct of roads '01' (to Frenchman Lake) and '70' (to Laufman). 1706 Comment
  SD231133  Ivesia sericoleuca James R. Shevock, B. Ertter 1986-7-20 11737 Plumas Nothern Sierra Nevada. Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  CHSC94991  Juncus acuminatus Lowell Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC102973  Juncus articulatus Lowell Ahart; John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET10472259  Juncus balticus Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4317 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UCD108045  Juncus balticus subsp. ater Tim Kuhn 2006-6-12 80 Plumas south of Frenchman Lake. Comment
  CHSC65386  Juncus bufonius var. bufonius Lowell Ahart 1995-9-13 7626 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC80299  Juncus bufonius var. bufonius L. P. Janeway 1996-6-5 5006 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
  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
  JEPS122185  Juncus covillei Lowell Ahart 2014-8-26 19770 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS104093  Juncus drummondii Lowell Ahart 2003-10-17 10640 Plumas North side of rocks, ca 100 yd n of Humboldt Peak, ca 1/2 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2148 Comment
  CHSC32864  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  RSA286271  Juncus ensifolius Robert F. Thorne 1974-7-30 45009 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA490376  Juncus ensifolius Lyman Benson 1932-7-29 4005 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET3150870  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off Hwy 24, E of Quincy 1524 Comment
  UC485754  Juncus ensifolius H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD141516  Juncus ensifolius Lowell Ahart 2008-8-13 15160 A Plumas west edge of La Porte Road, west of East Branch Creek, about 1.75 mile (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC101935  Juncus exiguus Lowell Ahart; John Dittes 2009-7-15 16081 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC82454  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9816 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CHSC97597  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes 2007-6-16 14121 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
  CHSC99809  Juncus hemiendytus var. hemiendytus Lowell Ahart 2008-7-9 15051 Plumas Bare gopher and mole mounds, basalt area, in a small meadow, about 20 yards east of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  CHSC100461  Juncus howellii Lowell Ahart 2008-9-10 15390 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. Near center of section 27. 1598 Comment
  HSC100777  Juncus howellii Lowell Ahart, John Dittes 2009-8-28 16355 Plumas N side of F.S. Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam and 3 (air) mi. SW of Lake Almanor Reservoir Dam. Comment
  JEPS116015  Juncus howellii Lowell Ahart, John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA0035817  Juncus howellii Lowell A. Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  RSA95511  Juncus howellii J. T. Howell 1951-6-27 27580 Plumas McRae Meadow. 1982 Comment
  CHSC118782  Juncus longistylis Chelsea Morgan 2015-6-28 2015 -019 Plumas Plumas National Forest. Near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 (UTM 688739 E, 4455754 N, NAD83 Zone 10N.) 1800 Comment
  JEPS114940  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 41/2 miles (air) north of La Porte 1597 Comment
  UC1133600  Juncus mexicanus E. Sawyer 1935-6-11 96 Plumas 5.25 mi w Summit; Sierraville Quad. 1493 Comment
  CHSC52753  Juncus nevadensis L. P. Janeway 1990-8-29 3846 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Small marsh/meadow. 1905 Comment
  CHSC58534  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1992-7-6 5065 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In a meadow. 1770 Comment
  CHSC100437  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15366 Plumas On small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC92197  Juncus orthophyllus Lowell Ahart; John Dittes 2005-9-19 12418 Plumas Along the west side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  JEPS119931  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas 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
  UCR123673  Juncus orthophyllus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6883 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  JEPS122102  Juncus oxymeris Lowell Ahart 2014-8-24 19759 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
  UCSB63770  Juncus oxymeris Janeway, L. 1998-9-10 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog; below Road 25N47 (Sweetwater Marsh); 0.3 mi south of Road 417; T25N, R9E, SE 1/4 of SE1/4 of sec. 20; Crescent Mills quad 1164 Comment
  CHSC60563  Juncus parryi L. P. Janeway 1984-7-27 934 Plumas Lakes Basin; near Grassy Lake. 1920 Comment
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  RSA754875  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 D Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  NY20173  Juniperus occidentalis R. M. Austin 08 1880 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CHSC59931  Keckiella lemmonii L. P. Janeway 1992-7-31 4281 Plumas South-facing slopes in canyon of North Fork Feather River; near creek along the Chambers Creek Trail, ca 0.1 mi from Hwy 70 (along old powerline access road). 633 Comment
  HSC93429  Keckiella lemmonii Vernon H. Oswald, L. Ahart 1996-8-14 8164 Plumas Silver Lake Rd., 0.5 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1707 Comment
  UCR263562  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Sierra Nevada Mountains, Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte 1707 Comment
  UCR3599  Keckiella lemmonii Wm. Horn Jr. 1963-8-4 630804- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, edge of Schnieder Creek Road, 1 mi south of Meadow Valley Creek 1250 Comment
  CHSC10689  Kelloggia galioides Lowell Ahart 1968-6-10 Plumas Near La Porte. 914 Comment
  JEPS12463  Kelloggia galioides W. L. Jepson 1939-8-16 19452 Plumas Bucks Valley 1584 Comment
  JEPS7375  Kyhosia bolanderi W. L. Jepson 1929-7-29 19283 Plumas between Fales Hill and Chaparral Hill; Spanish Creek headwaters 1584 Comment
  CAS-BOT-BC341570  Lagophylla ramosissima John Thomas Howell 1955-7-19 30745 Plumas Beckwourth 1493 Comment
  CHSC53153  Lathyrus brownii L. P. Janeway 1989-6-22 3365 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw, along rd 24N49Y. 1804 Comment
  UC85250  Lathyrus brownii Mrs. R. M. Austin Jul 1876 29 Plumas near Quincy Comment
  SEINET5327278  Lathyrus lanszwertii P. A. Lehenbauer 1925-5-31 1789 Plumas Clover Valley, Plumas National Forest Comment
  RSA64945  Lathyrus sulphureus C. L. Hitchcock 1950-5-28 19229 Plumas 5 mi les SW of Greenville on road to Quincy. Comment
  CHSC35925  Layia glandulosa M. S. Taylor 1982-5-19 4481 Plumas Ridge, ca. 1.5 mi e of Portola. 1706 Comment
  CAS-BOT-BC321175  Layia glandulosa Ella Dales Cantelow 1941-5-19 3583 Plumas 3.1 mi NE of Vinton Rd to Frenchman Creek Comment
  CAS-BOT-BC527249  Lemna John Thomas Howell 1961-9-23 36854 Plumas Indian Valley, Sierra Nevada 1082 Comment
  RSA52922  Lemna minor R. Weatherby 1950-7-28 1486 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  SD46723  Lemna minor Robert J. Weatherby 1950-7-21 1474 Plumas Locally common in shade of grasses, floating in ditch at edge of marsh, East Quincy. 1036 Comment
  CAS-BOT-BC534927  Lemna minuta M. S. Taylor; M. Foster 1981-2-6 3831 Plumas Spring garden quad, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  JEPS113826  Lemna trisulca Lowell Ahart, Josephine Guardino 2007-7-21 14357 Plumas On and under water, along a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC527294  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas Near Chester Comment
  CAS-BOT-BC88775  Lepidium appelianum John Thomas Howell 1962-6-19 37875 Plumas Sierra Nevada. Vinton. 1508 Comment
  JEPS105986  Lepidium campestre Lowell Ahart, Josephine Guardino 2004-5-24 10949 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  RSA169403  Lepidium campestre L. S. Rose 1963-6-3 63107 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  RSA754546  Lepidium virginicum var. pubescens L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  UCSB19858  Leptosiphon ciliatus Hardham, Clare 1961-6-17 Plumas South of Susanville 1676 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
  UCD132706  Leucanthemum vulgare Beecher Crampton 1970-6-25 8630 Plumas Quincy. 1043 Comment
  CAS-BOT-BC59603  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Mt. Elwell, Lakes Basin Area. 2225 Comment
  CAS-BOT-BC59614  Leucothoe davisiae Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC59615  Leucothoe davisiae Mrs. E. Meiere 1915-7-1 s.n. Plumas Long Lake. Comment
  SEINET11262174  Leucothoe davisiae Robert L. Johnson, Mikel R. Stevens 2015-7-11 3953 Plumas Northern High Sierra Nevada. 0.6 rd mi S of jct with Cold Water Rd and Red Mtn Road on Gravel Range Rd. Ca 3.5 air mi south of Bucks Lake.; 0 1771 Comment
  CAS-BOT-BC123016  Lewisia cantelovii Mrs. H. C. Cantelow 1941-5-25 s.n. Plumas Feather River Canyon, 3.2 mi W of Belden. State Hwy 24. Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CHSC34296  Lewisia cantelovii M. S. Taylor 1981-8-20 4233 Plumas On cliff, s side of Caribou Rd, 0.1 mi n of its jc ... Field redacted by CHSC, contact the data manager for more information 731 Comment
  UC82847  Lewisia kelloggii Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC110268  Lewisia kelloggii subsp. hutchisonii L. P. Janeway 2012-6-2 10846 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CHSC107446  Lewisia nevadensis Matt Simenc; Rebecca Joyner 2011-7-2 11 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
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  CHSC63265  Lewisia nevadensis Lowell Ahart 1994-6-15 7338 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  JEPS48672  Lewisia nevadensis Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC444565  Lewisia triphylla Lowell Ahart 1986-7-8 5348 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte 1981 Comment
  CAS-BOT-BC283810  Leymus cinereus C. R. Ball 1932-7-24 699 Plumas Humbug House, Humbug Road. 9 miles SW of Lake Almanor and 20 miles NE of Chaparral Comment
  CAS-BOT-BC274531  Leymus triticoides John Thomas Howell 1961-6-21 36625 Plumas Greenville Comment
  CAS-BOT-BC509324  Lilium kelleyanum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt Lassen Natl Park Comment
  CAS-BOT-BC509349  Lilium kelleyanum M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi so of Mohawk 1920 Comment
  JEPS102718  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  JEPS102736  Linanthus harknessii Lowell Ahart 2001-7-17 8918 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC572490  Linanthus harknessii E. Sawyer 1935-6-27 209 Plumas w of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  UC586839  Linanthus harknessii Joseph Andorfer Ewan 1934-7-6 8183 Plumas Penman Peak, along road to Guidici Ranch Penman Peak 1524 Comment
  SEINET14349128  Linanthus pungens W. Harnach, N. Harnach 1989-6-29 208 Plumas Beckwourth Pass on the N side of hwy 70 1539 Comment
  CHSC101917  Linnaea borealis var. longiflora Lowell Ahart; John Dittes 2009-7-14 16076 Plumas Edge of a steep north slope, north of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1453 Comment
  CHSC46665  Listera convallarioides Lowell Ahart 1989-7-7 6372 Plumas On the south side of Bunker Hill Creek, east of the forks on Bunker Hill Creek, about 1 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1706 Comment
  JEPS101185  Listera convallarioides Dean W. Taylor 2000-9-14 17591 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  UC1562365  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  CAS-BOT-BC36580  Lithocarpus densiflorus var. echinoides Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  CHSC89313  Lithophragma glabrum G. Douglas Barbe; T. C. Fuller 1982-7-16 3777 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  SEINET6032218  Lithophragma glabrum R. J. Holl 1948-4-16 13 Plumas Grizzly Canyon, 3 miles west of Beckwouth 1615 Comment
  CAS-BOT-BC317312  Lithospermum californicum Debbie Bliss 1990-8-14 s.n. Plumas Plumas National Forest, Beckwourth Ranger District, Crocker Compartment. Slope between the SE end of Lake Davis and the SW end of Crocker Mtn. 1874 Comment
  CAS-BOT-BC317313  Lithospermum californicum H. D. Ripley; R. C. Barneby 1943-6-16 5781 Plumas Between Quincy & Massack 1036 Comment
  SD6718  Lithospermum ruderale Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC106212  Lomatium dasycarpum subsp. tomentosum Mrs. R. M. Austin June 1883 412 e Plumas Big Meadows Comment
  CHSC42611  Lomatium dissectum var. multifidum Vernon Oswald 1986-6-2 2079 Plumas Rd. A-15, 5.2 mi sw of Hwy 70 at Portola. 1524 Comment
  UCD169253  Lomatium macrocarpum S. L. Welsh; N. D. Atwood 2001-6-13 28135 Plumas W end of Dixie Valley, N of Beckwourth. 1711 Comment
  SEINET7880163 Image available Lomatium nevadense E. Sawyer 1935-1 67 Plumas 7 3/4 miles NNE of Sattley Sec. 36 T.22N. R. 14E. Comment
  RSA29664  Lomatium nudicaule Joseph A. Ewan 1934-7-18 8572 Plumas Middle Fork, Feather River at Portola Comment
  SEINET7880164 Image available Lomatium nudicaule E. Sawyer 1935-1 52 Plumas 1 3/4 miles N.E. of Hawks Sec. 25 T. 23N. R. 13E. 1585 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CAS-BOT-BC200949  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54372 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CAS-BOT-BC200959  Lotus A. A. Heller 1938-7-2 15243 Plumas On Highway #24, near Gray's Flat 868 Comment
  CHSC21694  Lotus F. T. Griggs; A. Pass 1975-7-2 65 Plumas North of Grizzly Forebay. Comment
  SEINET3523623 Image available Lotus americanus J. M. Tucker 1948-7-24 1715 Plumas near road from Cascade to Camel Peak 1615 Comment
  UC942950  Lotus argophyllus var. fremontii Lewis S. Rose 1951-6-29 51078 Plumas Rock Creek; North Fork of Feather River 550 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
  UCR3561  Lotus oblongifolius Wm. Horn Jr. 1963-6-19 630619- 3 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  JEPS115179  Lotus oblongifolius var. oblongifolius Lowell Ahart, John Dittes 2009-7-13 16046 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS85670  Lupinus John Thomas Howell 1926-7-30 2154 Plumas Prattville 1310 Comment
  CHSC52424  Lupinus arbustus L. P. Janeway 1990-6-8 3707 Plumas Plumas National Forest. Little Long Valley, E-facing side of canyon; along rd 23N12 ca 0.8 mi N of jct with rd 23N51. 1722 Comment
  NY736672  Lupinus arbustus J. G. Lemmon 05 1879 s.n. Plumas Comment
  RSA11955  Lupinus arbustus subsp. silvicola Elmer I. Applegate 1929-6-21 5781 Plumas Between Kellys Camp and Drakesbad, Warner Valley, Mt. Lassen region. Comment
  POM298445  Lupinus arbustus subsp. silvicola H. C. Cantelow 1941-5-18 s.n. Plumas 1 mile west of Moharok on road to Johnsonville. 1463 Comment
  CAS-BOT-BC196348  Lupinus argenteus var. argenteus Janet Jones 1980-7-16 210 Plumas Frazier Falls area 1828 Comment
  SEINET8080311  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-2 8685 Plumas Between Vinton and Beckwith Comment
  SEINET8080372  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  CHSC52428  Lupinus argenteus var. meionanthus L. P. Janeway 1990-6-6 3700 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Cr and ca 1/2 mi N of Hwy 70/89; vicinity of Sloat. 1356 Comment
  CAS-BOT-BC196603  Lupinus argenteus var. palmeri L. P. Janeway 1990-7-4 3764 Plumas Along road to Lunker Point; west side Frenchman Lake 1722 Comment
  SJSU6946  Lupinus breweri C. W. Sharsmith 1975-6-17 8226 Plumas near Gray Eagle Cr 1371 Comment
  CAS-BOT-BC196678  Lupinus breweri var. breweri Clare B. Hardham 1961-6-15 7402 Plumas Graeagle Comment
  CAS-BOT-BC215354  Lupinus dalesiae M. S. Taylor 1982-5-25 4527 Plumas 1 mile NE of Sloat, 2.6 miles W of Cromberg, W side of 509A, ca. 50 feet S of itsjct with Highway 70 1310 Comment
  CAS-BOT-BC215360  Lupinus dalesiae M. S. Taylor 1982-5-26 4532 Plumas S side of Fells Creek Road (23N22), 1.9 miles W of Lee Summit on Highway 70, ca. 1 air mile S of Spring Garden 1463 Comment
  CAS-BOT-BC215386  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas Greenhorn Creek, ca. 1.5 miles NE of Quincy, American Valley 1066 Comment
  CAS-BOT-BC215399  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Creek, ca. 0.1 mile N of Highway 70/89; vicinity of Long Valley, Sloat 1417 Comment
  CAS-BOT-BC215406  Lupinus dalesiae Charles Piper Smith 1947-5-22 47339 Plumas Quincy Road, 3.9 miles E of Meadow Valley Comment
  CAS-BOT-BC215415  Lupinus dalesiae Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas Meadow Valley, about 8 miles W of Quincy 1173 Comment
  CHSC35907  Lupinus dalesiae M. S. Taylor 1982-6-24 4752 Plumas N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. 1066 Comment
  CHSC35910  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas N side of 24N13, ca. 0.1 mi e of its jct with Willow Creek Rd (23N13), ca. 4 air mi se of Quincy. 1584 Comment
  CHSC39591  Lupinus dalesiae Lowell Ahart 1983-7-14 4193 Plumas Growing on a bank along the South Fork of the Feather River, south of the Feather Fork Mine, about 1 1/2 miles north-east of Little Grass Valley Res., about 5 1/2 miles north of La Porte. 1750 Comment
  NY15847  Lupinus dalesiae H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles east of Meadow Valley Inn near Quincy Comment
  UC1502136  Lupinus dalesiae M. S. Taylor 1982-6-2 4597 Plumas along 23N11 on loop through Cogswell Ravine (3.2 mi ne of Jackson Creek Campground, ca 5 air mi n of Mohawk); Johnsville Quad., Cogswell Ravine 1737 Comment
  UC1502141  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas American Valley on ne side of hills s Greenhorn Creek (ca 1.5 mi ne of Quincy); Quincy Quad., American Valley, s of Greenhorn Creek 1066 Comment
  UCD107620  Lupinus dalesiae H. Durio 1996-5-10 s.n. Plumas 3 to 4 air mi NE of Pilot Peak, along Peoria Creek Road (USFS Rd 23N10) as it crosses and parallels Nelson Creek. 1463 Comment
  SEINET10452062  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4683 Plumas T23N R10E ne/nw sec 5. Quincy quad. Open bare rdcut, 1/4 mi n of jct of 23N90 & 24N14, ca. 1/2 mi n of Willow Creek, ca. 4 air mi se of Quincy. 5099 ft. 1554 Comment
  SEINET10452066  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4615 Plumas T24N R8E n/nw sec 34. Bucks Lake NE quad. W side of Schneider Creek Rd (24N16), 1.2/1.3 mi s of its jct with rd to UC Forestry Camp, l.6/l.7 mi s of Bucks Lake Rd, 2 mi s of Meadow Valley. Comment
  SEINET10485198  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4597 Plumas T23n r12e nw14ne1/4 sec 17. Johnsville quad. Corolla yellow. Along 23n11, on Loop through cogswell ravine, on roadcut and upslope in disturbed areas, 3.2 Mi. Ne of jackson creek campground, ca 5 mi n of mohawk. Mixed evergreen Forest. With calochortus coeruleus, lathyrus sulphureus. 1737 Comment
  SEINET10485199  Lupinus dalesiae Mary Susan Taylor 1982-7-23 Taylor 4713 Plumas T23n r10e se1/4ne1/4 sec 18. Blue nose mt quad. Open bare phyllite roadbank, S side of peoria creek rd (23n10), 1.5 mi. W of its jct with 23n50y, ca 3 air Mi. Sw of sloat. With pseudotsuga menziesii, osmorhiza chilense. 1402 Comment
  SEINET10940043  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4616 Plumas T24N R8E nw/nw sec 10. Bucks Lake NE quad. Along spur rd off Burton Gulch Rd along Spanish Creek, ca. 2 air mi n of Meadow Valley. 4000 ft. 1219 Comment
  CHSC67655  Lupinus formosus James D. Jokerst 1985-6-10 2412 Plumas Indian Creek Small Hydo Survey. Upper Edge of reconstruction zone of Hwy. 70. Comment
  SEINET8042172  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-16 8866 Plumas Grade between Genessee valley and Summit Comment
  SEINET10490347  Lupinus grayi Mary Susan Taylor 1982-6-3 Taylor 4603 Plumas T23n r11e nw1.4ne1.4 sec 22. Johnsville quad. On serpentine cut bank, w side Of poplar creek rd (23n08), just s of bridge over poplar creek, 1 mi. S of Sloat. 1280 Comment
  SEINET10903529  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-6-16 Taylor 4676 Plumas T24n r10e ne1/4sw1/4 sec 33. Spring garden quad. Corolla blue. N side of 24N26-thompson creek rd, ca 3 mi. Se of quincy. Moist area near creek. With Potentilla glandulosa reflexa, cornus stolonifera. 1341 Comment
  CHSC40861  Lupinus lepidus var. confertus K. R. Stern 1985-6-25 8233 Plumas Vicinity of Blairsden. 1371 Comment
  CHSC62457  Lupinus lepidus var. confertus L. P. Janeway 1993-8-10 4512 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  JEPS65070  Lupinus lepidus var. confertus W. L. Jepson 1918-8-17 8035 Plumas Sierra Valley 1524 Comment
  CHSC118778  Lupinus lepidus var. confertus Wendy L. Boes 2015-6-28 2015 -029 Plumas Plumas National Forest. South of Moonlight Valley, east of Forest Service road 27N82, north of 29N46 (UTM 684518 E, 4454025 N, NAD 83 Zone 10N.) 1700 Comment
  CHSC35930  Lupinus lepidus var. lobbii M. S. Taylor 1982-6-23 4720 Plumas Flat ridge running n off 23N43Y at loop in road, 1.5 mi w of its jct Peoria Creek Rd (23N10), ca. 6 air mi sw of Sloat. 1402 Comment
  CHSC53201  Lupinus lepidus var. sellulus L. P. Janeway 1989-6-13 3301 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley. 1688 Comment
  UC1482892  Lupinus lepidus var. sellulus LeDoux, Dunn and Conrad 1973-6-5 1082 Plumas jct. Hwy 70 and Twain Road 1066 Comment
  SBBG67021  Lupinus obtusilobus R. M. Austin -Apr-1877 Plumas American Valley Comment
  UC155201  Lupinus onustus Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  UCR274629  Lupinus onustus Daisie Huang 2006-8-11 60811- 08 Plumas Forest Rd. 28N38, 4.9 miles ENE of its junction with Old Haun Rd. 1745 Comment
  POM181629  Lupinus onustus J. G. Lemmon 1874-09 s.n. Plumas Greenville Peak. Comment
  UCD107461  Lupinus polyphyllus Tim Kuhn 2006-6-12 26 Plumas south of Frenchman Lake. Comment
  UC333410  Lupinus polyphyllus var. burkei unknown 1889-6-4 Plumas Mohawk Valley Comment
  SEINET10488892  Lupinus sellulus John Thomas Howell 1955-7-19 Howell 30811 Plumas Vinton, California. 1509 Comment
  CHSC13596  Lupinus stiversii J. Pitts 1972-4-29 179 Plumas 9 mi ne of Poe Power Dam on Hwy. 70, on uphill side of the road. Comment
  CHSC47581  Luzula cascadensis Lowell Ahart 1975-7-2 838 Plumas Along the edge of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  JEPS114814  Luzula cascadensis Lowell Ahart 2008-8-13 15183 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CAS-BOT-BC436599  Luzula cascadensis John Thomas Howell 1962-6-17 37648 Plumas Sierra Nevada: Butterfly Valley 1036 Comment
  CHSC63296  Luzula comosa var. laxa Lowell Ahart 1994-6-12 7319 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  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
  JEPS28592  Luzula comosa var. laxa George W. Gillett 1957-7-13 751 Plumas Lassen Volcanic National Park. Across the creek from Devils Kitchen 1859 Comment
  RSA68994  Lysimachia nummularia D. D. Keck 1932-7-3 1627 Plumas Quincy, along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  CHSC100365  Lythrum portula Lowell Ahart 2008-9-10 15392 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CHSC113976  Lythrum portula Lowell Ahart 2014-11-16 19888 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
  CHSC81127  Lythrum portula Lowell Ahart 2001-8-28 9214 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC84561  Lythrum portula John Dittes; Lowell Ahart 2003-8-8 2003 -97 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 7.6 air-miles east by southeast of Portola, ca. 4.0 air-mile south by southeast of Beckwourth, ca. 2.0 air-mile east by northeast of intersection of Dyson Lane and Beckwourth-Calpine Road (A23), at edge of Dyson Lane. 1485 Comment
  RSA59423  Machaeranthera shastensis E. K. Balls 1950-9-15 15859 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CHSC54391  Madia citrigracilis Vernon H. Oswald 1991-7-8 4699 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the south park boundary. 1676 Comment
  UC176769  Madia elegans A. A. Heller with P. B. Kennedy 1907-7-13 88 -8 Plumas Taylorville Comment
  CAS-BOT-BC343785  Madia elegans David D. Keck 1932-7-3 1620 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CDA14658  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3095 Plumas 1.8 miles north of Lawrence Street on Highway 70/89, Quincy. 1066 Comment
  CHSC118705  Madia exigua Wendy L. Boes; Jim Battagin 2015-5-12 2015001 G Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  JEPS12518  Madia exigua George Gillett 1955-8-2 460 Plumas near bottom of trail coming down from Bench Lake (floor of Hot Springs Valley); Lassen Volcanic National Park, Hot Springs Valley 1828 Comment
  CAS-BOT-BC342868  Madia glomerata John Thomas Howell 1951-8-20 28196 Plumas Indian Valley 1066 Comment
  CHSC75462  Madia glomerata G. F. Hrusa; T. D. Wilfred 1996-8-1 13453 Plumas Sierra Nevada. Meadow immed. E of Brady's Camp. Pine Creek Valley, 1/2 mi. NE Argentine Rock. 2125 Comment
  CHSC92131  Madia glomerata Lowell Ahart; John Dittes 2005-9-20 12437 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 Comment
  JEPS120495  Madia glomerata L. P. Janeway 2012-10-17 11076 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  RSA14241  Madia glomerata Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  SBBG21778  Madia glomerata D. Myrick 1964-7-21 893 Plumas E of trail parking area, Drakesbad 1737 Comment
  UCD147775  Madia glomerata Allyson Ayalon; Lucie Jerabkova 2012-8-1 137 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  RSA59478  Madia glomerata E. K. Balls 1950-9-15 15873 Plumas 5 miles southeast of Graeagle, Sulphur Creek, Hwy 89 1372 Comment
  CDA13413  Madia gracilis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13262 Plumas Sierra Nevada; Vicinity of headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA13440  Madia gracilis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13287 Plumas Sierra Nevada; USFS 23N11A. Comment
  CDA13858  Madia gracilis G. F. Hrusa, T. D. Wilfred 1996-7-23 13402 Plumas Sierra Nevada; above USFS 23N22. Comment
  CDA17298  Madia gracilis G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16347 Plumas Sierra Nevada; Snake Lake, 4 mi. NW of Quincy. Comment
  CHSC64827  Madia gracilis Vernon H. Oswald 1995-6-24 6905 Plumas High Cascade Range. Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  CAS-BOT-BC343261  Madia gracilis David D. Keck 1932-7-6 1717 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC343267  Madia gracilis John Thomas Howell; H. Keith Wagnon 1980-5-28 53693 Plumas Near Twain, East Branch North Fork Feather River 914 Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  RSA603951  Madia gracilis subsp. gracilis Joseph A. Ewan 1934-7-19 8241 Plumas Dentens (Blairsden) 1616 Comment
  SEINET10872065  Madia minima Mary Susan Taylor 1981-5-10 Taylor 3666 A Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  SD7175  Maianthemum stellatum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  SD7181  Maianthemum stellatum Unknown 1888-1 Plumas Big Spring, Big Meadows. Comment
  CHSC76799  Malacothrix floccifera L. P. Janeway 1997-9-29 5363 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Roadside in bottom of canyon, and along edge of dirt road. 944 Comment
  RSA551267  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m wet of metal bridge. 1524 Comment
  UC641649  Melica aristata G. L. Stebbins Jr. 1939-7-6 2909 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 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-BC282081  Melica fugax John Thomas Howell 1961-6-21 36633 Plumas Greenville 1097 Comment
  CAS-BOT-BC282087  Melica fugax John Thomas Howell; et al. 1968-6-11 2362 Plumas Butterfly Botanical Botanical Area and Vicinity. At confluence of Spanish Creek and Butterfly Creek Comment
  CAS-BOT-BC282090  Melica fugax Lewis S. Rose 1954-5-30 54067 Plumas Johnsville 1813 Comment
  CHSC63310  Melica fugax Lowell Ahart 1994-6-15 7335 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  JEPS87749  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  SEINET10599384  Melica fugax Lowell Ahart 1986-7-8 Ahart 5347 Plumas On damp rocky soil, in an area of bare open serpentine, about 1 mile north-west of Pilot Peak, about 14 miles northeast of La Porte. Red Fir Forest. 1981 Comment
  CAS-BOT-BC281267  Melica geyeri Javier Penalosa 1962-6-19 2491 Plumas Highway 40-89, +- 6.2 miles SE of Quincy 1097 Comment
  CAS-BOT-BC281296  Melica harfordii John Thomas Howell 1969-6-23 45799 Plumas Lewisia Rock, Feather RIver Canyon 609 Comment
  CAS-BOT-BC264180  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Devil's Kitchen to Drakesbad, Lassen Volcanic National Park 1828 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
  RSA201301  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  SEINET10498161  Mentha arvensis Mary Susan Taylor 1982-7-22 Taylor 4904 A 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
  CHSC52033  Mentha canadensis L. P. Janeway 1990-8-28 3835 Plumas Plumas National Forest. S side of Red Clover Cr on E side of Notson Bridge. 1554 Comment
  JEPS16778  Mentha spicata Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4350 Plumas northern limits Taylorsville 1079 Comment
  SD174009  Mentha spicata Robert J. Weatherby 1950-7-21 1475 Plumas East Quincy; scattered perennial on sunny moist soil in marsh with Solidaga and Spiraea douglasii; native from Europe. 1036 Comment
  CHSC95202  Mentzelia dispersa R. D. Fischer; Jenny Marr 2005-7-4 813 Plumas Butt Valley Reservoir. Sierra Nevada high, along the north side road of Butt Valley Reservoir, near the Ponderosa Campground dumpster. 1341 Comment
  JEPS113613  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-16 14141 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET3452358  Mentzelia dispersa G. Douglas Barbe, T. C. Fuller, J. T. Howell 1981-6-24 3233 Plumas West of Mountain Grizzly Peak, West of Mountain Grizzly Peak, 0.2 miles south of the junction of Mount Hough-Crystal Lake Road and China Grade. 3 Miles West of Mountain Grizzly Peak, 4.20 Miles South West of Taylorsville (added later by Bill Schmidt) 1730 Comment
  SBBG69284  Mentzelia laevicaulis J. G. Lemmon -Jun-1878 Plumas Indian Valley Comment
  JEPS102262  Mentzelia veatchiana L. P. Janeway 1996-6-5 4987 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  SEINET6033449  Micranthes californica M. J. Williams 1967-4-22 s.n. Plumas Near Plumas-Butte Co. line, just west of Grizzly Tunnel 549 Comment
  LA208007  Micranthes integrifolia E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CAS-BOT-BC429146  Micranthes odontoloma Anna Head 1921-8-10 s.n. Plumas Long Lake, Feather River Region Comment
  CAS-BOT-BC429240  Micranthes oregana John Thomas Howell 1960-7-23 35963 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CAS-BOT-BC348336  Micropus californicus Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2646 Plumas Butterfly Botanical Area and Vicinity. Near homestead in Butterfly Valley proper 1036 Comment
  CHSC39372  Microseris nutans L. Ahart; P. Ahart 1983-8-17 4326 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  JEPS105975  Microseris nutans Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11009 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  UC92139  Microseris nutans unknown 1892-7-4 Plumas Prattville Comment
  CHSC33597  Microsteris gracilis M. S. Taylor; M. Foster 1981-6-8 3876 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca 1.5 air mi n of w end of Lake Davis. 1706 Comment
  SEINET10496952  Microsteris gracilis subsp. humilis Mary Susan Taylor 1982-5-7 Taylor 4414 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  UC1552707  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-6-7 583 Plumas 2 mi w Sierra City (along Hwy 49); Tahoe National Forest 1158 Comment
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May 18 2014
  CHSC116159  Mimulus breweri Lowell Ahart 2015-7-4 20278 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
  UC1552710  Mimulus breweri Frederica Bowcutt 1985-6-6 574 Plumas about 15 air mi ne Quincy; Plumas National Forest, Red Clover Creek Comment
  RSA0014053  Mimulus floribundus Joan Stewart 2000-06 1036 Plumas Plumas National Forest Comment
  SEINET10929287  Mimulus mephiticus Mary Susan Taylor 1982-7-21 Taylor 4896 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  UC726948  Mimulus moniliformis A. A. Heller 1942-8-14 16522 Plumas above Sulphur Works Checking Station (near the Brokeoff Trail); Lassen Park Comment
  CHSC62163  Mimulus moschatus L. P. Janeway 1993-7-3 4487 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. 1066 Comment
  CHSC73444  Mimulus moschatus B. Castro; L. Gehrung 1995-8-31 609 B Plumas Mosquito Flats Meadow. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd23N18. Towards S end of meadow. 1676 Comment
  JEPS34391  Mimulus nanus var. mephiticus Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8867 Plumas n side Feather River Canyon; Rich Bar 762 Comment
  RSA39903  Mimulus nanus var. mephiticus P. A. Munz 1947-5-16 11831 -a Plumas 8 miles north of Chilcoot. 1524 Comment
  UC725838  Mimulus tilingii A. A. Heller 1942-8-3 16517 Plumas near the stream Upper King Creek Meadow camp ground Comment
  CDA12149  Mimulus torreyi G. F. Hrusa, J. Dinsdale 1989-6-25 7199 Plumas Sierra Nevada; Bucks lake north shore. Comment
  UC1795606  Mimulus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas N side of Hwy 36, 1.0 mi W of junction with Hwy 89.7 miles W of Chester 1493 Comment
  CAS-BOT-BC481919  Minuartia nuttallii Alice Eastwood 1927-6-17 s.n. Plumas US Forest Reserve, on road from Long Valley Comment
  CAS-BOT-BC433057  Mitella pentandra John Thomas Howell 1960-7-23 35966 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET10483082  Mitella pentandra Mary Susan Taylor 1982-6-16 Taylor 4687 Plumas T23N R10E sw/se sec 8. Onion Valley quad. W side of 24N13 along small creek, 1.4 mi s of its jct with Willow Creek Rd (23N90), ca. 4 air mi se of Quincy. Alt. 5000 ft. 1524 Comment
  POM84702  Modiola caroliniana Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  CHSC79489  Moehringia macrophylla G. F. Hrusa; E. Sandoval 1993-5-30 11140 Plumas Snake Lake Vicinity. In coniferous forest surrounding Snake Lake. [Original lat./long. on label is '39 58 N; 120 59 W']. 1250 Comment
  CHSC61738  Monardella follettii L. P. Janeway 1993-7-15 4445 Plumas Plumas National Forest. Along Rd 25N17 0.4 mi south of the saddle between Bean Creek (a tributary of Upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River); several hundred ft west of Bean Creek and along the west side of the road. 1536 Comment
  SEINET10862290  Monardella follettii A. Graff 1993-7-22 Graff 305 Plumas Plumas National Forest. Meadow Valley Rd. south from Virgilia, on the left roadside, 3 miles from the Union Pacific RR crossing of the East Branch Feather River. T25N,R8E,S30. Locally frequent, growing on a serpentine road cut filling in with Pseudotsuga menziesii and Calocedrus decurrens. Comment
  CAS-BOT-BC221785  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Beckwourth Ranger District, Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  CDA12145  Monardella odoratissima G. F. Hrusa, J. Dinsdale 1989-6-25 7193 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CHSC104777  Monardella odoratissima subsp. glauca L. P. Janeway 2010-8-19 10167 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CAS-BOT-BC222112  Monardella odoratissima subsp. pallida L. P. Janeway 1990-8-29 3837 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CHSC115779  Monardella odoratissima subsp. pallida Lowell Ahart; John Deurloo 2015-8-25 20527 Plumas On the east side of Cold Water Creek, about 200 yards northeast of the bridge, east of the camp, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  JEPS118428  Monardella odoratissima subsp. pallida Lowell Ahart 2011-9-20 17685 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CAS-BOT-BC222113  Monardella odoratissima subsp. pallida Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek, rangers station Comment
  RSA83370  Monardella odoratissima subsp. pallida F. W. Peirson 1926-6-21 6790 Plumas Lake Almanor Comment
  CHSC21673  Monardella sheltonii D. Brink; L. Mayer 1975-8-1 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC91753  Monardella sheltonii G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3286 Plumas Sierra Nevada foothills. 0.7 mile south of Arlington Road (Main Street, Taylorsville), on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  HSC89387  Monardella sheltonii L. P. Janeway 1989-6-23 3399 Plumas Canyon of N Fork Feather River at Chambers Creek, along Hwy. 70 625 Comment
  SD149141  Monardella sheltonii John Thomas Howell 1975-7-22 51350 Plumas 2 miles northwest of Spring Garden Comment
  SEINET10582358  Monardella sheltonii A. Graff 1993-7-21 Graff 290 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  CDA23449  Monolepis nuttalliana F. Surber 1984-6-14 Plumas West of Vinton. 0 Comment
  CHSC112527  Montia chamissoi B. Castro; L. P. Janeway 2008-6-8 1739 Plumas Northern High Sierra Nevada. About 550 ft west of Crocker Creek, on west side of Beckwourth-Genesee Road ca 1 mi north of Crocker Guard Station. 1712 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
  UC1075676  Montia chamissoi Robert J. Weatherby 1955-7-2 1586 Plumas Wilcox Valley 1767 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
  JEPS95296  Montia fontana Lowell Ahart 1994-6-17 7351 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CHSC36208  Montia fontana subsp. chondrosperma M. S. Taylor 1982-7-7 4785 Plumas In moss along small creek, s slope of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  JEPS115806  Montia fontana subsp. chondrosperma Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15902 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  RSA726291  Montia linearis L. Ahart, John Dittes 2007-6-16 14087 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CAS-BOT-BC445088  Montia linearis Mary Strong Clemens 1920-5-7 s.n. Plumas Greenville Comment
  SEINET5336650  Montia linearis A. A. Heller, P. B. Kennedy 1907-7-4 8731 Plumas Meadow two miles south of Red Clover Valley Comment
  UC726488  Montia parvifolia A. A. Heller 1942-6-5 16502 Plumas 3 mi w of Belden (on #24) Comment
  UC1586456  Muhlenbergia andina Vernon H. Oswald and Lowell Ahart 1991-7-30 4797 Plumas ca 6 mi (air) ene Humbug Summit (12 mi (air) s of Chester, w side of valley, within fenced enclosure at springs); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC267012  Muhlenbergia filiformis E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CAS-BOT-BC267013  Muhlenbergia filiformis E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CAS-BOT-BC275220  Muhlenbergia minutissima Mrs. H. C. Cantelow 1951-7-26 15 Plumas Lake Almanor Meadow, W side of lake Comment
  RSA59900  Muhlenbergia minutissima E. K. Balls 1950-9-14 15815 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 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
  JEPS122169  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas On both sides 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
  UC501387  Myosotis discolor David D. Keck Jul 3 1932-Jul 5 1932 1670 Plumas along rd. to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  RSA32879  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. Comment
  UC1560389  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1300 Plumas 2 - 2.5 mi. s. Graeagle (along hwy. #89, Mill Creek and its tributaries); Mill Creek 1200 Comment
  UC1112280  Myosurus apetalus Herbert L. Mason 1952-7-17 14382 Plumas just s Beckwourth (along Western Pacific tracks); Sierra Nevada 1524 Comment
  CAS-BOT-BC83341  Myosurus minimus Herbert L. Mason 1952-7-17 14381 Plumas Sierra Valley. Along Western Pacific tracks just south of Beckwourth. 1524 Comment
  CDA38169  Myriophyllum hippuroides Fred H. Surber 1996-8-22 s.n. Plumas Beckwourth; Francis Carmichael property, irrigation canal. 0 Comment
  JEPS102616  Narthecium californicum Lowell Ahart 2001-7-11 8892 Plumas Small meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  SEINET3887650  Narthecium californicum D. W. McNeal 1990-8-9 3771 Plumas In the Butterfly Valley Botanical Area nw. of Quincy. Pluams National Forest.; 0 Comment
  UC306154  Narthecium californicum Mrs. R. M. Austin Oct. 1881 Plumas Mt. Dyer, Big Meadows Comment
  CDA19242  Navarretia breweri G. D. Barbe, T. C. Fuller 1982-6-17 3821 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC53160  Navarretia breweri L. P. Janeway 1989-6-9 3279 Plumas Plumas National Forest. Forest along southwest side of Red Clover Valley. 1691 Comment
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Dec 19 2007
  SEINET10496815  Navarretia breweri Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3867 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
  CHSC21576  Navarretia capillaris D. E. Brink Jr.; L. M. Mayer 1975-7-22 Plumas Bucks Lake. Comment
  UCD106106  Navarretia capillaris John Thomas Howell 1960-7-18 35600 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC94201  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-9 12928 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
  JEPS113462  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14015 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
  JEPS123962  Navarretia divaricata subsp. divaricata Lowell Ahart 2015-7-4 20288 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
  JEPS124118  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 -A 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
  CHSC53590  Navarretia intertexta subsp. propinqua L. P. Janeway 1989-7-25 3518 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. Edge of channel in middle of meadow. 1737 Comment
  JEPS124032  Navarretia intertexta subsp. propinqua Lowell Ahart 2015-7-4 20279 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS70403  Navarretia intertexta subsp. propinqua W. L. Jepson 1939-8-12 19390 Plumas Ferris Creek, branch of Last Chance Creek Last Chance Creek, Ferris Creek 1767 Comment
  SBBG32371  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd, 9.5 mi NE of Quincy Junction 1249 Comment
  CHSC79540  Navarretia leptalea subsp. bicolor G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13212 Plumas Northern California. Sierra Nevada - Plumas National Forest. N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CHSC113615  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  UC1585899  Navarretia leptalea subsp. leptalea Barbara Ertter 1989-7-4 8681 Plumas 2.2 mi w of jct with Hwy 89 and Hwy 36 sw Chester; sw of Chester 1463 Comment
  JEPS69654  Navarretia leptalea subsp. leptalea W. L. Jepson 1939-8-4 19339 a Plumas Rock Creek s of Meadow Valley, Rock Creek 1219 Comment
  UC1124121  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10969164  Navarretia propinqua Mary Susan Taylor 1982-6-28 Taylor 4758 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
  RSA0018529  Nemacladus interior Joan Stewart 2000-06 1030 Plumas Plumas National Forest Comment
  UC52234  Nemophila parviflora var. austiniae H. M. Hall and E. B. Babcock 1903-7-4 4421 Plumas near Prattville (North Fork Feather River); , near Prattville 1341 Comment
  SEINET5521051  Nemophila parviflora var. austiniae P. A. Lehenbauer 1929-5-12 2680 Plumas 2 miles West of Portola Comment
  UC172028  Nepeta cataria H. M. Hall 1912-8-4 Plumas Quincy Comment
  CAS-BOT-BC400102  Nuphar polysepala Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC400103  Nuphar polysepala Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42309 Plumas Plumas National Forest: Snake Lake c. 4 miles NW of Quincy 1219 Comment
  CDA38181  Oenothera elata subsp. hirsutissima T. C. Fuller 1963-7-17 10925 Plumas South side of Highway 40 Alt. to Portola, ca. 6 miles east of Quincy. 0 Comment
  CAS-BOT-BC355569  Oreostemma alpigenum var. andersonii Miss. T. V. Raphael 1917-8-8 s.n. Plumas Johnsburg Comment
  CHSC102014  Oreostemma alpigenum var. andersonii L. P. Janeway; B. Castro 2009-8-29 9935 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  CHSC66611  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-7-15 8048 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Camp-ground on Forest Rd. 28N11. 1371 Comment
  CHSC45306  Orobanche californica subsp. jepsonii Vernon Oswald 1988-9-4 3697 Plumas Pacific Crest Trail ca. 1 mi e of Humboldt Summit. 2103 Comment
  SEINET10902587  Orobanche uniflora subsp. occidentalis Mary Susan Taylor 1982-5-13 Taylor 4440 Plumas T24N R8E sw/nw sec 13. Bucks Lake NE quad. Ca. 500 yds s of Spanish Creek- Bucks Lake Rd at its jct with 24N29, ca. 0.5 mi w of Meadow Valley. Serpentine slope, 3800 ft. 1158 Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  UC584313  Orthocarpus cuspidatus subsp. cryptanthus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2242 Plumas sw slopes and ridge crest Red Rock (n of Engelmine); sw slopes and ridge crest Red Rock 2133 Comment
  JEPS87598  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  UC337332  Osmorhiza berteroi unknown 1889-6-4 Plumas Mohawk Valley Comment
  CHSC28435  Packera cana J. D. Jokerst 1979-6-23 269 Plumas Along borders of first meadow S. of intersection of Meadow Valley Cr. and Forest Service Rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  CHSC102015  Packera streptanthifolia L. P. Janeway; B. Castro 2009-8-29 9938 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  JEPS62624  Packera subnuda John Thomas Howell, Gordon True, Walter and Irja Knight 1968-6-11 2392 Plumas Butterfly Valley Sierra Nevada (wet area on e side) Comment
  UC170971  Paeonia brownii H. M. Hall 1912-7-7 9307 Plumas Jameson Cr. Sierra Nevada Mountains 1920 Comment
  RSA600532  Panicum acuminatum var. acuminatum L. C. Wheeler 1959-7-16 7575 Plumas Butterfly Valley. Comment
  CAS-BOT-BC175538  Parnassia palustris Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  SBBG128885  Pectiantia breweri L. Ahart 2008-7-16 15080 Plumas forest floor E side of small meadow (swamp) , ca. 100 yards N of the paved rd, ca. 0.25 mi W of the bridge where the S Fork of the Feather River flows into Little Grass Valley Reservoir, ca. 2 1/2 mi (air) N of La Porte 1597 Comment
  CHSC61061  Pedicularis attollens Vernon H. Oswald; Lowell Ahart 1993-8-3 5765 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. Common on the N side of the lake. 1926 Comment
  POM44193  Pedicularis attollens Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 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
  CHSC62593  Pedicularis racemosa B. Castro 1987-6-21 134 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  JEPS3362  Pedicularis racemosa J. Ewan 1934-7-20 26 Plumas near Edmanton Comment
  SEINET3159934  Pedicularis semibarbata T. S. Brandegee 1892-7-4 sn Plumas Prattville Comment
  CHSC23378  Pellaea brachyptera Lowell Ahart 1975-8-29 967 Plumas In section 32 near Oxford and Coquette Creeks. About 10 miles south of Buck's Lake. 1828 Comment
  UC366578  Pellaea brachyptera unknown Aug. 1883 Plumas Sho'fly Rd Indian Valley; n California, Indian Valley Comment
  CAS-BOT-BC69369  Pellaea breweri Clare B. Hardham 1970-8-9 17716 N Plumas Road to Thompson Peak Lookout 2286 Comment
  CAS-BOT-BC69362  Pellaea breweri Wayne D. Dakan 1973-8-6 s.n. Plumas Thompson Peak near the look-out Comment
  CAS-BOT-BC67613  Pellaea bridgesii Anna Head 1921-6-30 s.n. Plumas Feather River Region - Lake Center Camp Comment
  CAS-BOT-BC67610  Pellaea bridgesii M. S. Taylor; H. Swanson 1982-8-11 4969 Plumas Sierra City NW quad.- along N side of Jamison Creek Rd. (507), on cliffs, ca. 1 mi. W of Plumas-Eureka State Park, 1798 Comment
  POM197141  Pellaea mucronata J. G. Lemmon 1883-07 s.n. Plumas Indian Valley Comment
  UCSB46170  Pellaea mucronata Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 miles south of Beldon on Highway 70 Comment
  JEPS127  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 670 Comment
  POM319333  Penstemon deustus Patricia Wilder 1971-6-22 5157 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  UC1017704  Penstemon deustus var. deustus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1738 Plumas gravelly slide below Humboldt Summit; Sierra Nevada, below Humboldt Summit Comment
  CDA18582  Penstemon deustus var. pedicellatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3295 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  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
  NY591821  Penstemon deustus var. pedicellatus C. B. Wolf 1937-8-6 9065 Plumas Northern Sierra Nevada, Mohawk Valley, 2 miles north of Blairsden 1341.1 Comment
  CDA14128  Penstemon deustus var. suffrutescens G. F. Hrusa 1997-5-3 13818 Plumas Sierra Nevada; W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  SEINET8481969 Image available Penstemon gracilentus Noel H. Holmgren, Patricia K. Holmgren 2014-1 16548 Plumas Sierra Nevada, south of lake Almanor on the south side of Almanor Drive just west of Prattville 1387 Comment
  HSC20993  Penstemon gracilentus W. R. Rogers 1966-7-6 287 Plumas Ferris Creek 1829 Comment
  NY600758  Penstemon gracilentus Mrs. Ames s.n. Plumas Lone Rock Comment
  JEPS85846  Penstemon janishiae Barbara Ertter with Gary Schoolcraft 1989-7-3 8667 Plumas ca. 7 air mi s Susanville (bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  NY627282  Penstemon neotericus W. W. Eggleston 08 1911 7619 Plumas Prattville 1300 Comment
  CAS-BOT-BC239299  Penstemon newberryi var. berryi Janet Jones 1980-7-16 219 Plumas Frazier Falls area 1828 Comment
  JEPS7232  Penstemon newberryi var. newberryi R. H. Platt 1891-1 Plumas near Prattville; Sierras Comment
  UC1017722  Penstemon newberryi var. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit Sierra Nevada Comment
  UC565924  Penstemon newberryi var. newberryi F. W. Embree 1934-6-6 75 Plumas 1 mi s, 0.25 mi w Rutherford; Bidwell Bar Quad. 1615 Comment
  HSC73116  Penstemon personatus M. S. Taylor, M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 0.25 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls 1585 Comment
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CHSC76074  Penstemon roezlii G. F. Hrusa 1997-5-30 13821 Plumas Sierra Nevada. On W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  UC690331  Penstemon roezlii David D. Keck 1928-6-16 446 Plumas Meadow Valley , Meadow Valley (Sierra Nevada) 1219 Comment
  SEINET3840877  Penstemon rydbergii M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe, J. T. Howell 1981-6-23 3144 Plumas Lake Almanor, 3.25 miles west of Round Valley Reservoir Dam; One fourth miles east of Junction with road to Canyon Dam (i.e. South arm of Lake Almanor) 1630 Comment
  CDA14686  Penstemon rydbergii var. oreocharis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3147 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  NY651266  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25817 Plumas Along Feather River, west of Beckwourth 1493.5 Comment
  SEINET8512817 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, Patricia K. Holmgren 2014-1 2 Plumas Sierra Nevada, south shore of Bucks Lake, Bucks Lake Lodge area 1576 Comment
  CHSC106218  Penstemon speciosus Arthur C. Barrett 1915-7-6 8 Plumas Plumas National Forest. Boulder Creek Canyon. 1706 Comment
  JEPS15337  Penstemon speciosus F. W. Embree 1934-6-6 81 Plumas ne dam Bucks Lake (Plumas National Forest); , Bidwell Bar Quad. Comment
  UCR139355  Penstemon speciosus David D. Keck 1932-7-6 1718 Plumas Northern Sierra Nevada Mtns., 6 mi west of Chester 1524 Comment
  NY660824  Penstemon speciosus P. P. Lowry II 1977-7-5 828 Plumas Junction of State Highways 36 and 89 Comment
  NY660830  Penstemon speciosus R. J. Weatherby 1955-6-22 1534 Plumas Road to Spanish Peak lookout 1828.8 Comment
  SEINET10548134  Penstemon speciosus Mary Susan Taylor 1982-6-10 Taylor 4622 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  CAS-BOT-BC77078  Pentagramma triangularis subsp. triangularis John Thomas Howell 1967-6-22 42657 Plumas Sierra Nevada - Canyon of the Feather River North Fork, near mouth of Chambers Creek 609 Comment
  CHSC34859  Perideridia bolanderi M. S. Taylor; M. Foster 1981-6-8 3865 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC107272  Perideridia bolanderi subsp. bolanderi L. P. Janeway 2011-7-6 10500 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
  CHSC42646  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1986-7-10 2187 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  UC1562648  Perideridia bolanderi subsp. bolanderi Barbara Ertter with Gary Schoolcraft 1989-7-3 8661 Plumas ridge between Red rock and Diamond Mt. (ca 8 air mi s of Susanville) 2225 Comment
  UCD127833  Perideridia bolanderi subsp. bolanderi A. A. Heller; P. B. Kennedy 1907-7-4 8724 Plumas Ridge wast of Red Clover Valley. Comment
  CHSC70217  Perideridia lemmonii B. Castro; R. Zebell 1989-8-7 363 Plumas Ca. 2.5 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.25 mi WSW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1859 Comment
  JEPS115218  Perideridia lemmonii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16158 Plumas On both sides of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  UC1389932  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5914 Plumas on Hwy 89 1.5 mi n Greenville Comment
  CDA13987  Perideridia parishii subsp. latifolia G. F. Hrusa 1996-8-2 13449 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  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
  LA35847  Perideridia parishii subsp. latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1437 Plumas Butterfly Valley Comment
  CHSC36998  Persicaria amphibia M. S. Taylor 1982-8-10 4956 Plumas Emergent in s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CAS-BOT-BC413565  Persicaria amphibia Malcom A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas On southeastern side of Portola Comment
  CAS-BOT-BC419040  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC20847  Persicaria lapathifolia K. R. Stern 1975-7-23 5802 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC419236  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  UC1481983  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas 3.5 km (2.2 mi) w Belden Power House, Belden (10 m W of CA 70, on side of dirt road by Murphy Creek, Belden, Plumas National Forest); Plumas National Forest, by Murphy Creek Comment
  CDA19270  Phacelia hastata subsp. hastata G. D. Barbe, T. C. Fuller 1982-6-17 3839 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  POM289438  Phacelia hastata subsp. hastata Lyman Benson 1932-7-29 3990 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA726372  Phacelia humilis L. Ahart, John Dittes, Josephine Guardino 2007-6-8 14005 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  UCD120532  Phacelia humilis var. humilis Michael A. Vincent 1999-6-7 8522 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  UCD40407  Phacelia hydrophylloides Rodney Gale Myatt 1971-6-13 s.n. Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  UC1228233  Phacelia mutabilis H. E. and S. T. Parks June 1928 254 Plumas Drakesbad Lassen Volcanic National Park 1828 Comment
  CHSC102578  Phacelia procera L. P. Janeway; B. Castro 2009-7-18 9860 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  SEINET5506862  Phacelia procera M. J. Williams, E. McPherson 1974-8-5 74 -P-5 Plumas Lake's Basin, trail from Silver Lake to Mt. Elwell Comment
  RSA201363  Phacelia racemosa J. T. Howell 1960-7-20 35736 Plumas Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CHSC60174  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  UC569817  Philadelphus lewisii G. T. Nordstrom 1934-7-2 166 Plumas one mi se Mount Ararat; Bidwell Bar Quadrangle 1584 Comment
  RSA0046808  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas Near Grizzly Dome tunnel on Highway 25. 610 Comment
  CAS-BOT-BC260844  Phleum pratense John Thomas Howell 1926-7-26 2136 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC260854  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor 1828 Comment
  JEPS107599  Phleum pratense Lowell Ahart, Josephine Guardino 2005-8-10 12314 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  RSA29582  Phleum pratense Joseph A. Ewan 1934-7-19 8246 Plumas in barnyard of valley floor Dentens, Mohawk Valley 1616 Comment
  CHSC21700  Phlox diffusa F. T. Griggs; A. Pass 1975-7-7 81 Plumas Gold and Silver Lakes. Comment
  UCD118459  Phlox diffusa Michael A. Vincent 1999-6-7 8520 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  JEPS69947  Phlox diffusa W. L. Jepson 1910-6-12 4121 Plumas Mt. Harkness 1828 Comment
  UC908606  Phlox gracilis Herbert L. Mason 1924-6-18 1049 Plumas near Feather River; Graeagle Comment
  CDA40289  Phlox gracilis T. C. Fuller 1962-6-13 9001 Plumas East of terminal, Ganzer Airport, Quincy. 0 Comment
  JEPS28626  Phlox gracilis George W. Gillett 1957-7-18 814 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  UCD150652  Phlox hoodii subsp. canescens Jim McKenna 1974-5-26 84 Plumas Plumas National Forest, slope above Rock Lake. 1920 Comment
  SD257348  Phlox speciosa subsp. occidentalis James R. Shevock 1795 Plumas Hwy 89, Cresant Mills 914 Comment
  CAS-BOT-BC60677  Phoenicaulis cheiranthoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54255 Plumas Sierra Nevada. About 2.5 miles southeast of Mount Hough on the road to Quincy. 1798 Comment
  CHSC102061  Phoradendron libocedri Lowell Ahart; John Dittes 2009-7-15 16087 Plumas On Calocedrus decurrens, 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
  CHSC108722  Phyllodoce breweri B. Castro; L. P. Janeway 2003-9-6 1449 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. Large patch on W edge of lake on Wilderness boundary line, near water's edge. 2058 Comment
  RSA0091206  Physocarpus capitatus Bonnie C. Templeton 1968-1 11274 Plumas [No location information on label.] Comment
  JEPS115213  Pinus contorta subsp. murrayana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam 1606 Comment
  UCD69324  Pinus contorta subsp. murrayana Patsy Barry 1984-5-28 30 Plumas Benner Creek Campground. 1706 Comment
  CAS-BOT-BC78694  Pinus jeffreyi Alice Eastwood 1927-6-27 14895 Plumas on road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  CAS-BOT-BC78695  Pinus jeffreyi Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  UC1219840  Pinus jeffreyi R. A. Cockrell 1940-7-31 8552 Plumas Meadow Valley Meadow Valley (ridge top) 1676 Comment
  SEINET10530759  Pinus jeffreyi Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  MACF019587  Pinus lambertiana Trudy R. Ericson 1975-9-18 399 Plumas Taylor Lake, Plumas National Forest 2163 Comment
  OBI69215  Pinus monticola Kristina L. Schultz, Dan Schultz 2000-11-4 9 Plumas Gold Lakes Basin. Located along N shore of Gold Lake, gold Lake rd off of hwy 89 1951 Comment
  NY62291  Pinus ponderosa R. M. Austin 1879-1 s.n. Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Mar 14 2016
  SEINET12616257  Pinus ponderosa var. ponderosa D. A. Charlet, T. Charlet 1996-7-11 2294 Plumas Sierra Nevada Diamond Mts above Last Chance Creek 1731 Comment
  CHSC66709  Piperia transversa Vernon H. Oswald; Lowell Ahart 1996-8-1 8133 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. At Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  JEPS61026  Plagiobothrys bracteatus W. L. Jepson 1910-6-4 4055 Plumas Big Meadows Prattville 1310 Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  JEPS101228  Plagiobothrys cognatus Dean W. Taylor 2000-8-12 17574 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  CHSC81105  Plagiobothrys cusickii Lowell Ahart 2001-8-28 9210 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC230956  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC230972  Plagiobothrys hispidulus Lowell Ahart 1985-9-26 5175 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC230984  Plagiobothrys hispidulus Lewis S. Rose 1954-5-30 54061 Plumas Johnsville 1600 Comment
  CHSC65330  Plagiobothrys hispidulus Lowell Ahart 1995-10-1 7645 Plumas On the bottom of the pond (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  OBI20594  Plagiobothrys hispidulus Lewis S. Rose 1967-6-11 67105 Plumas Quincy 1036 Comment
  CAS-BOT-BC230973  Plagiobothrys hispidulus Lowell Ahart 1981-7-24 2994 Plumas A hydraulic mine about 1 mile S of La Porte 1600 Comment
  CAS-BOT-BC228468  Plagiobothrys mollis Fred Sommers 1976-6-16 133 Plumas Sierra Valley. S of Marble Lane 1487 Comment
  UC573157  Plagiobothrys mollis Herbert L. Mason 1924-6-26 1093 Plumas Blairsden Comment
  RSA189383  Plagiobothrys tenellus L. S. Rose 1967-6-19 67118 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SD6761  Plagiobothrys tenellus Mrs. R. M. Austin 1880-1 Plumas Comment
  CHSC69516  Plantago major Lowell Ahart 1997-9-11 7897 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  SEINET10499816  Plantago major Mary Susan Taylor 1982-8-23 Taylor 5033 Plumas T25N R9E ne/ne sec 19. Almanor SE quad. Along rd on e side of Dutch Creek, just s of RR underpass (#275), ca. 1/4 mi e of Twain. 3100 ft. 945 Comment
  SEINET10470063  Platanthera dilatata var. leucostachys Mary Susan Taylor 1981-1 Plumas Comment
  CHSC61073  Platanthera leucostachys Vernon H. Oswald; Lowell Ahart 1993-8-3 5764 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC62612  Platanthera leucostachys B. Castro; L. P. Janeway 1987-7-17 140 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98. 1584 Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  JEPS113595  Plectritis macrocera Lowell Ahart, Josephine Guardino 2007-7-20 14319 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  RSA52906  Pleuricospora fimbriolata R. Weatherby 1973-10-2 s.n. Plumas Bucks Lake. 1524 Comment
  CAS-BOT-BC261054  Poa Catherine Best 1983-8-29 873 Plumas Lakes Basin Campground, Sierra Nevada 1920 Comment
  CAS-BOT-BC254766  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS106232  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  RSA71073  Poa bolanderi L. S. Rose 1951-6-28 51056 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CAS-BOT-BC254964  Poa bulbosa L. P. Janeway 1992-5-22 4194 Plumas S side of Middle Fork Feather River, just S of railroad tracks, 0.3 mile W of the road to Calpine, ca 4 miles E of Portola 1487 Comment
  CAS-BOT-BC255102  Poa compressa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1584 Plumas Butterfly Botanical Area and Vicinity. Near confluence of Spanish and Butterfly Creeks 883 Comment
  CAS-BOT-BC255103  Poa compressa John Thomas Howell 1959-9-24 34899 Plumas Crescent Mills 1066 Comment
  CHSC100878  Poa cusickii subsp. cusickii L. P. Janeway; B. Castro 2008-6-8 9395 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  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
  CHSC63212  Poa cusickii subsp. epilis Lowell Ahart 1994-6-29 7404 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  UCD90940  Poa cusickii subsp. epilis A. A. Heller 1942-5-8 16464 Plumas West of Vinton. 1524 Comment
  CAS-BOT-BC255915  Poa nervosa W. W. Wagner 1919-5-25 265 Plumas Squirrrel Creek , vicinity of Quincy 1584 Comment
  SEINET204037 Image available Poa nevadensis F. J. Hermann 1955-7-27 11947 Plumas Dried swale along highway Comment
  SEINET10893570  Poa nevadensis John Thomas Howell 1962-6-18 Howell 37757 Plumas Sierra Valley near Beckwourth. Culm-ligule ca. 4 mm. 1487 Comment
  RSA300172  Poa palustris J. T. Howell 1961-9-23 36852 Plumas Indian Valley; Sierra Nevada 1082 Comment
  RSA59822  Poa palustris E. K. Balls 1950-9-15 15843 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  UCD91797  Poa palustris John Thomas Howell 1955-7-19 30735 Plumas Portola. 1478 Comment
  CAS-BOT-BC247382  Poa pratensis Lewis S. Rose 1954-5-30 54078 A Plumas Beckwourth 1524 Comment
  CAS-BOT-BC247383  Poa pratensis Alice Eastwood 1927-6-18 14495 Plumas Forest Lodge, near Greenville Comment
  UC579322  Poa pratensis subsp. pratensis E. Sawyer 1935-6-27 173 Plumas 3.6 mi n Hawks (w of Beckwith Buttes); Plumas Nat'l forest 1645 Comment
  UCD90266  Poa secunda A. A. Beetle 1941-6-28 2769 Plumas West side of Lake Almanor. 1828 Comment
  CHSC115700  Poa secunda subsp. juncifolia B. Castro; L. P. Janeway 2008-6-7 1737 A Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  CHSC40992  Poa secunda subsp. juncifolia J. D. Jokerst 1984-7-10 2085 Plumas Canyon of Indian Creek, between creek and Indian Cr. Road at the east end of Genesee Valley. 1234 Comment
  UC1024661  Poa secunda subsp. juncifolia Leo Whitney 1934-8-10 2188 Plumas ca 10 mi nw Portola; Plumas Nat'l Forest, Big Grizzly Valley 1828 Comment
  CAS-BOT-BC242968  Poa secunda subsp. secunda John Thomas Howell 1951-6-28 27687 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC242992  Poa secunda subsp. secunda G. D. Barbe 1982-6-9 3655 Plumas SE and below Thompson Peak, overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  CHSC91830  Poa secunda subsp. secunda G. D. Barbe; T. C. Fuller 1982-6-17 3823 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  JEPS106215  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11010 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  JEPS76227  Poa secunda subsp. secunda W. L. Jepson 1939-8-12 19381 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  LA12623  Poa secunda subsp. secunda P. B. Kennedy; A. A. Heller 1907-7-3 8706 Plumas above Red Clover Valley Comment
  SEINET7294077 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 8751 Plumas Red Clover valley Comment
  SEINET7294133 Image available Poa secunda subsp. secunda Lewis S. Rose 1954-1 54078 Plumas Beckwourth, desert slopes 1524 Comment
  RSA800293  Poa sierrae J. T. Howell, Gordon H. True 1969-4-8 45483 Plumas 3.5 mi southwest of Belden, Feather River Canyon. 610 Comment
  CAS-BOT-BC244267  Podagrostis humilis George W. Gillett 1957-7-19 853 Plumas Lassen Volcanic National Park. Just beyond very large spring 1.25 miles above The Devils Kitchen on trail to Sifford Lakes 2057 Comment
  SEINET13759115  Polemonium micranthum H. N. Mozingo 1979-4-26 79 -31 Plumas .3 mi. south of Vinton [Sierra Valley] 1494 Comment
  SEINET10496912  Polemonium pulcherrimum Mary Susan Taylor 1981-7-6 Taylor 3974 Plumas T24N R15E nw/ne sec 15. Dixie Mt quad. Top of Dixie Mt near the Lookout, ca. 5 air mi W of N tip of Frenchman Lake, ca. 13 air mi NW of Chilcoot. Pure volcanic rock outcrop; 8327 ft elev. 2538 Comment
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  CHSC21287  Polygala cornuta F. T. Griggs; A. Pass 1975-8-3 302 Plumas Buck's Lake. Comment
  CAS-BOT-BC167540  Polygala cornuta var. cornuta L. P. Janeway 1992-7-31 4284 Plumas South-facing slopes in canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70 685 Comment
  SD7873  Polygonum Daniel Cleveland July 1882 Plumas Feather River Comment
  JEPS104605  Polygonum arenastrum Lowell Ahart 2003-8-8 10486 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS113543  Polygonum arenastrum Lowell Ahart, Josephine Guardino 2007-7-21 14375 Plumas Along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  JEPS115554  Polygonum arenastrum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16237 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
  CHSC113858  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-9-9 19842 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  JEPS122302  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC414218  Polygonum aviculare subsp. depressum John Thomas Howell 1960-7-19 35614 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  CAS-BOT-BC414311  Polygonum aviculare subsp. neglectum John Thomas Howell; Gordon H. True 1967-7-12 43382 Plumas Twain 883 Comment
  RSA252388  Polygonum coccineum Robert F. Thorne 1969-9-6 39241 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  SEINET10479637  Polygonum confertiflorum Mary Susan Taylor 1982-6-10 Taylor 4633 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  JEPS87828  Polygonum davisiae Lowell Ahart 1994-7-20 7476 Plumas about 1/2 mi nw Mount Etna (n side of ridge, n of Pacific Crest Trail, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  UC584340  Polygonum davisiae G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2248 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  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
  SD131786  Polygonum douglasii Barbara Ertter 1988-7-25 7847 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs I(c) mi N of Diamond Mt-Greenville-Red Rock jct 1981 Comment
  SEINET10904503  Polygonum douglasii Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5177 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC73809  Polygonum douglasii subsp. douglasii B. Castro; G. Kuenster, L. Gehrung 1994-9-19 547 A Plumas Ca 1.5 air mi S of Bucks Lake, and 0.2 mi W of USFS Rd 23N18, on dirt road to Cedar Flat. 1688 Comment
  JEPS113594  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2007-7-20 14324 Plumas North of a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CDA18454  Polygonum parryi G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3183 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC91739  Polygonum polygaloides subsp. confertiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is 39deg 55' N; 120deg 11' W]. 1706 Comment
  CAS-BOT-BC420061  Polygonum polygaloides subsp. kelloggii Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2631 Plumas Butterfly Botanical Area and Vicinity. Vicinity of Pond Reservoir. 1082 Comment
  CAS-BOT-BC420212  Polygonum sawatchense subsp. sawatchense Clare B. Hardham 1970-8-9 17716 Y Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC420213  Polygonum sawatchense subsp. sawatchense Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk. Ca 1/4 mi S of Onion Valley and above road. 1800 Comment
  CAS-BOT-BC76838  Polypodium glycyrrhiza John Thomas Howell; Gordon H. True 1967-5-9 42212 A Plumas Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CDA2343  Polypogon monspeliensis L. Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  JEPS102828  Polypogon monspeliensis Lowell Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC21661  Polystichum imbricans Brink; Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  POM174054  Polystichum imbricans J. G. Lemmon 1883-07 s.n. Plumas Indian Valley Comment
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  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
  UC339340  Polystichum imbricans subsp. imbricans J. G. Lemmon and wife June 1889 Plumas Mohawk Valley Comment
  CAS-BOT-BC72351  Polystichum imbricans subsp. imbricans L. P. Janeway 1993-7-22 4473 Plumas Along the Pipeline Road 3.3 mi northwest of Lower bucks Lake dam, Bucks Lake quad. 1584 Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  CHSC30757  Polystichum lemmonii M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3348 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
  CHSC96760  Polystichum lemmonii G. Douglas Barbe; T. C. Fuller 1982-6-15 3729 Plumas Sierra Nevada. Plumas County. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS104160  Polystichum scopulinum Lowell Ahart 2003-10-17 10654 Plumas Cliffs n of Humboldt Peak, on the south side of the Pacific Crest Trail, ca 1/2 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2042 Comment
  CAS-BOT-BC105588  Populus trichocarpa Elmer I. Applegate 1929-6-21 5787 Plumas Warner Valley - Mt. Lassen Region Comment
  RSA59907  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET10460772  Porterella carnosula A. Arthur Heller, Patrick B. Kennedy 1907-7-2 Heller 8678 Plumas Comment
  RSA246637  Potamogeton natans Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42332 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  CHSC34885  Potamogeton nodosus M. S. Taylor 1981-8-31 4261 Plumas Creek under RR tracks off spur rd 0.5 mi s of Hwy 70, near Mabie, ca. 3 mi w of Portola. 1463 Comment
  CHSC44265  Potamogeton praelongus Vernon Oswald 1988-7-19 3604 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  SD6458  Potamogeton praelongus Mrs. R. M. Austin 1879-1 Plumas Big Meadows 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
  CAS-BOT-BC6235  Potentilla aperta Amos Arthur Heller; P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  SEINET5332684 Image available Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith 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
  CDA14010  Potentilla glandulosa G. F. Hrusa, T. D. Wilfred 1997-6-26 13927 Plumas Sierra Nevada; About Pine Creek at Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC97087  Potentilla gracilis var. fastigiata Lowell Ahart; Josephine Guardino 2007-7-21 14361 Plumas Near a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  CAS-BOT-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-BC540405  Potentilla gracilis var. fastigiata John Thomas Howell 1955-7-19 30830 Plumas Sierra Nevada, Mohawk 1371 Comment
  CAS-BOT-BC540416  Potentilla gracilis var. fastigiata Elizabeth McClintock 1968-5-18 s.n. Plumas E of Frenchman Reservoir N of Chilcoot. 1706 Comment
  CDA33857  Potentilla recta Tim Gibson 2010-10-22 PDR# 1409546 Plumas Plumas County Fairgrounds near Lee Road. 0 Comment
  CHSC20762  Potentilla rivalis K. R. Stern 1975-7-23 5887 Plumas NW shore of Lake Almanor. 1371 Comment
  JEPS122095  Potentilla rivalis Lowell Ahart 2014-8-24 19750 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC531758  Potentilla rivalis W. Harnach; N. Harnach 1990-7-6 466 Plumas Sierra Valley, on the first corner E of county rd. A-23 on Marble Lane 1487 Comment
  CHSC58197  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1992-6-22 5018 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi ENE of Little Willow Lake. On the roadway. 1767 Comment
  UC1332390  Primula suffrutescens Mrs. L. Williams 1967-8-12 Plumas Luther Ridge between Wade Lake and Spencer Lake; Luther Ridge between Wade Lake and Spencer Lake 2225 Comment
  SD6643  Prunella vulgaris Daniel Cleveland 1882-7-25 Plumas Big Meadows 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
  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
  UC917238  Prunella vulgaris var. lanceolata J. M. Tucker 1948-7-25 1741 Plumas sw side Camel Peak (Pinchard Creek, at mine of United Mining Company); sw side of Camel Peak, Pinchard Creek 1524 Comment
  UC57219  Prunella vulgaris var. vulgaris H. M. Hall and E. B. Babcock July, 1903 4426 Plumas Fox Creek; Sierra Nevada Mountains, Fox Creek 1219 Comment
  CAS-BOT-BC159820  Prunus andersonii John Thomas Howell 1962-6-19 37879 Plumas Beckwourth Pass 1584 Comment
  CHSC46656  Prunus emarginata Lowell Ahart 1989-7-2 6337 Plumas Near low cliffs, on the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  POM181035  Prunus emarginata A. A. Heller 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CAS-BOT-BC154847  Prunus virginiana var. demissa Clare B. Hardham 1975-8-2 20457 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CHSC81149  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81097  Pseudognaphalium luteoalbum Lowell Ahart 2001-8-28 9221 Plumas Strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC357349  Pseudognaphalium microcephalum John Thomas Howell 1951-8-19 28173 Plumas Near Paxton 914 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
  SD52233  Pseudostellaria jamesiana R. D. Alderson 1894-6-26 1078 Plumas Quincy Comment
  CHSC87641  Pseudostellaria sierrae Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  CAS-BOT-BC80160  Pseudotsuga menziesii Walter Knight; Irja Knight 1966-9-12 1726 Plumas Rubble Gap 1127 Comment
  CAS-BOT-BC361778  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1962-6-19 37863 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  UC1192097  Psilocarphus brevissimus var. brevissimus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1375 Plumas just s Chester (at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC115214  Psilocarphus tenellus Lowell Ahart 2015-6-7 20210 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. 1411 Comment
  SBBG30515  Psilocarphus tenellus D. Myrick 1968-6-19 1950 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  CHSC21698  Pterospora andromedea F. T. Griggs; A. Pass 1975-7-31 269 Plumas Grizzly Forebay. Comment
  CHSC33740  Pterospora andromedea M. S. Taylor; M. Foster 1981-7-14 4017 Plumas Saddle at head of Bullfrog Ravine, ca. 20 ft e of 26N18. Ca. 3 air mi nw of Indian Falls. 1584 Comment
  CAS-BOT-BC453560  Pterospora andromedea John Thomas Howell 1960-7-21 35836 A Plumas Lassen Volcanic National Park: NW of Willow Lake 1706 Comment
  SEINET3376779  Purshia tridentata C. Lumer, S. Yost 2006-7-27 2437 Plumas Sierra Nevada Mountains, Rte 89. 2316 Comment
  CHSC36344  Pycnanthemum californicum M. S. Taylor 1982-8-5 4942 Plumas In seep, n side of 25N73, s slope of Mt Hough ridge, ca. 7 air mi ne of Quincy. 1828 Comment
  SD52198  Pycnanthemum californicum F. Stephens 1894-8-19 8636 Plumas Sierra Valley Comment
  SEINET10499007  Pycnanthemum californicum Mary Susan Taylor 1981-7-21 Taylor 4086 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CHSC58509  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald; Lowell Ahart 1992-7-6 5075 Plumas Lassen Volcanic Park. E side of Little Willow Lake, near the S boundary of the park. 1834 Comment
  SEINET10449208  Pyrola californica Mary Susan Taylor 1981-8-20 Taylor 4227 Plumas California: T26N R9E ne1/4 of nw1/4 sec 30. Almanor SE quad. Above spring in Bullfrog Ravine, ca. 3 air mi NW of Indian Falls. Moist shaded brushy Mixed Evergreen Forest. Plumas County. 5600 ft. 1707 Comment
  CHSC21658  Pyrola dentata D. Brink; L. Mayer 1975-7-12 Plumas Bucks Lake. Comment
  CHSC76053  Pyrola picta G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3238 Plumas Mt. Hough-Crystal Lake Road, 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CAS-BOT-BC466105  Pyrola picta Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  RSA715689  Pyrrocoma carthamoides var. cusickii L. Ahart, Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CAS-BOT-BC62430  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC62433  Quercus chrysolepis M. B. Kildale 1926-9-11 2765 Plumas North Fork [Flatla] River on road between Greenville & Quincy 1219 Comment
  UC338832  Quercus chrysolepis unknown 360 Plumas Indian Valley Comment
  CHSC90297  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4754 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade. 1440 Comment
  CHSC90306  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4752 Plumas Northern High Sierra Nevada. On top of Lava Top, about 0.8 mi southeast of town of Cascade. 1411 Comment
  CHSC62150  Quercus durata var. durata L. P. Janeway 1993-7-20 4464 Plumas Plumas National Forest. Canyon of East Branch North Fork Feather River; in large ravine 500 ft north of Hwy 70, opposite the road to Rich Bar. 853 Comment
  UCD45968  Quercus durata var. durata K. L. Olson 1949-7-31 24 Plumas Two miles north of Howells, beside road to Caribou, Feather River Canyon, Plumas County, California. Comment
  CHSC96739  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8988 Plumas Northern High Sierra Nevada. Along road 26N22F (to the top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  UC1135651  Quercus kelloggii C. W. Hanks 1934-8-18 58 Plumas nw Upper Long Valley Plumas National Forest, Sierraville Quad. 1676 Comment
  UCD56583  Quercus kelloggii John Thomas Howell 1976-7-14 51823 Plumas Sierra Nevada. American Valley near Quincy on road to Quincy Junction. 1036 Comment
  CAS-BOT-BC104591  Quercus vacciniifolia David D. Keck 1932-7-3 1708 Plumas Northern Sierra Nevada. Quincy, Water supply canyon to the left hand just S of town 1065 Comment
  CAS-BOT-BC104597  Quercus vacciniifolia Ella Dales Cantelow 1938-7-5 2315 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  CAS-BOT-BC104608  Quercus vacciniifolia J. M. Tucker 1948-7-25 1749 Plumas ca. 3/4 mi West of United Mining Co. mine on SW side of Camel Peak 1554 Comment
  RSA654745  Quercus vacciniifolia J. M. Tucker 1948-7-25 1736 Plumas Summit of 'Lava Cap,' ca. 1 mile south of Cascade. 1436 Comment
  UC1135794  Quercus vacciniifolia G. Burks 1933-8-8 37 Plumas 2 mi w Franklin Hill; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  CHSC70173  Ranunculus alismifolius var. alismifolius L. P. Janeway 1997-5-14 5120 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  UC302247  Ranunculus alismifolius var. alismifolius Marcus E. Jones, A. M. 1897-7-5 Plumas Prattville 1371 Comment
  SBBG121280  Ranunculus aquatilis var. aquatilis L. Ahart, J. Dittes 2007-6-16 14130 Plumas S side of County Rd 111 (Beckwourth Genesee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  POM284448  Ranunculus aquatilis var. harrisii Lyman Benson 1949-6-21 13748 Plumas Hat Creek, 13.5 miles N of Manzanita Lake. Cascade Mt. Pit River Drainage 1220 Comment
  CHSC32817  Ranunculus californicus W. Michael Foster 1981-4-17 5 Plumas Upper margin of road cut, n side of intersection of Hwys 89 and 70, ca. 7 mi n of Quincy. 914 Comment
  RSA726542  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2007-6-17 14163 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  CHSC32868  Ranunculus flammula var. ovalis L. Ahart 1980-9-17 2651 Plumas On the s side of the small lake ca. 0.5 mi w of Fowler Peak, ca. 8 mi n of La Porte. 1600 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
  JEPS122107  Ranunculus flammula var. ovalis Lowell Ahart 2014-8-24 19736 Plumas On the north side of Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UCSB46164  Ranunculus hystriculus Reisentz, Paul 1979-5-12 Plumas Injun Jim Campground, 6.7 miles south of Beldon. Comment
  CHSC83607  Ranunculus occidentalis John Dittes 2002-4-27 2 -51 Plumas Northern High Sierra Nevada; Plumas National Forest, Watson Ridge, ca. 1.5 air-miles north of Feather Falls Overlook, ca. 1.8 air-miles east of Bald Rock Dome, on north/south-oriented ridge top, north of hairpin turn in FS Road 21N25A. 1104 Comment
  UC1126209  Ranunculus occidentalis F. W. Embree 1934-6-12 109 Plumas Haskins Valley Plumas National Forest, Bidwell Bar Quadrangle (w end) Comment
  RSA39721  Ranunculus occidentalis var. eisenii P. A. Munz 1947-5-16 11815 Plumas 5 Miles north of Chilcoot. 1524 Comment
  RSA39778  Ranunculus occidentalis var. eisenii P. A. Munz 1947-5-16 11824 Plumas 8 miles north of Chilcoot. 1524 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  CDA14673  Ranunculus orthorhynchus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3115 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SD8000  Ranunculus sceleratus var. multifidus Mrs. R. M. Austin 1880-1 Plumas Indian Valley Comment
  SD10097  Rhamnus alnifolia Mrs. R. M. Austin 1879-1 Plumas Big Spring, Big Meadows Comment
  JEPS103380  Rhamnus purshiana Lowell Ahart 2002-7-6 9838 Plumas On the SW side of a meadow, on the W side of the dirt road, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  UCR179428  Rhamnus purshiana W. B. McHenry 1990-1 s.n. Plumas Northern Sierra Nevada Mountains, Bucks Lake 1646 Comment
  SEINET13946361 Image available Rhamnus purshiana A. A. Heller 1915-1 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Bucks 1676 Comment
  CDA14743  Rhamnus rubra subsp. rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3288 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC111875  Rhynchospora alba Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1687 Plumas In wet area of Sweetwater Meadow. 1127 Comment
  UCSB63768  Rhynchospora californica Janeway, L. 1998-9-10 Plumas Crescent Mills quad.: T25N, R9E, NE1/4 of SE1/4 of sec. 20; Butterfly Valley Botanical Area; upper edge of darlingtonia bog (Sweetwater Marsh); just below Road 25N47; 0.3 mi. south of Road 417 1173 Comment
  RSA246600  Rhynchospora capitellata Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42344 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  CHSC44976  Ribes K. R. Stern 1985-6-25 8249 Plumas Vicinity of Blairsden. Comment
  CAS-BOT-BC108707  Ribes cereum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54274 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  UC1127256  Ribes cereum R. Roseberry 1934-11-7 12 Plumas 2 mi n Penman Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CHSC54489  Ribes inerme var. inerme Vernon H. Oswald; Lowell Ahart 1991-7-30 4798 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CAS-BOT-BC219224  Ribes nevadense Alice Eastwood 1927-6-12 14626 Plumas Forest Lodge, Greenville Comment
  CHSC101934  Ribes nevadense Lowell Ahart; John Dittes 2009-7-15 16080 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
  CHSC21346  Ribes nevadense F. T. Griggs; A. Pass 1975-7-7 85 Plumas Gold and Silver Lakes. Comment
  HSC100725  Ribes nevadense Lowell Ahart, John Dittes 2009-7-15 16080 Plumas S side of F.S. Rd. 26N671, NE of F.S. Rd. 26N67, 2.8 (air) mi. SE of Butt Valley Reservoir Dam. 1703 Comment
  JEPS115166  Ribes nevadense Lowell Ahart, John Dittes 2009-7-15 16103 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1127529  Ribes roezlii C. W. Hanks 1934-8-31 64 Plumas hill ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UCD102464  Ribes roezlii K. L. Olsen 1949-7-31 23 Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  UCD102468  Ribes roezlii Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CAS-BOT-BC186219  Ribes roezlii var. roezlii Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake 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
  RSA523304  Rigiopappus leptocladus J. L. Strother 1987-6-28 1358 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  JEPS53827  Rorippa W. L. Jepson 1927-6-23 12311 Plumas lower end Warner Creek Valley; lower end Warner Creek Valley 1524 Comment
  SEINET10904291  Rorippa Mary Susan Taylor 1982-9-7 Taylor 5099 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
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CAS-BOT-BC74648  Rorippa curvisiliqua Roxana S. Ferris; Laura Lorraine 1941-8-9 10429 Plumas At Lake Almanor Public Camp (near village). Comment
  CHSC100364  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-9-10 15393 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  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
  CHSC38015  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-7-13 4000 Plumas Along Lookout Creek, ca. 2 mi w of its jct with 28N11, ca. 3 air mi nw of n tip of Frenchman Lake, ca. 15 air mi n of Chilcoot. 1889 Comment
  CHSC94844  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-8 13397 Plumas Gravel bar, on the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC95017  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-23 13476 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
  CHSC97546  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2007-6-17 14102 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC91774  Rorippa sinuata G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3273 Plumas Sierra Nevada. 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  CDA26254  Rosa bridgesii L. Ahart, J. Dittes, J Guardino, Robert A. Schlising 2004-7-3 11174 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CHSC87832  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10999 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CHSC87856  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11001 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  HSC94144  Rosa californica B. Villegas 1999-7-8 Plumas Frenchman's Lake Rd. Comment
  CDA14694  Rosa gymnocarpa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  CHSC101776  Rosa gymnocarpa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15869 Plumas South of Forest Road 27N01Y, south of the high cut bank along the road, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  OBI30645  Rosa gymnocarpa Bernie Smith 1966-7-26 184 Plumas 22N-7e-34 at Pinchard Crk Forest Svc Camp Comment
  RSA286336  Rosa gymnocarpa Robert F. Thorne 1974-7-30 45004 Plumas Plumas National Forest, Butterfly Valley Botanical Area. Boggy meadow W of Mill Pond. 1159 Comment
  SD8427  Rosa gymnocarpa Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC81818  Rosa pisocarpa subsp. ahartii Lowell Ahart 2001-10-16 9392 Plumas Old road that crossed Indian Creek, about 10 yards east of the railroad tracks, where railroad has a bumper to start the signal lights on Arlington Road, about 400 yards south of Arlington Road, about 30 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  SEINET7704117  Rosa woodsii var. ultramontana W. Harnach, N. Harnach 1990-6-27 422 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and R/R. 1487 Comment
  CHSC103149  Rotala ramosior Lowell Ahart; John Dittes 2009-9-7 16383 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC147111  Rubus glaucifolius Anna Head 1920-1-1 s.n. Plumas Camp Rodgers, Feather River region Comment
  CHSC101912  Rubus leucodermis Lowell Ahart; John Dittes 2009-7-14 16071 Plumas On the south side of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  RSA755813  Rubus leucodermis L. Ahart, John Dittes 2009-7-14 16071 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
  UC1128624  Rubus parviflorus F. W. Embree 1934-6-6 69 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CHSC107911  Rudbeckia occidentalis L. P. Janeway; B. Castro 2011-9-11 10718 Plumas Northern High Sierra Nevada. Between road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. Steep south-facing slope of blocky basalt bedrock. 1570 Comment
  RSA52918  Rudbeckia occidentalis R. Weatherby 1950-7-21 1478 Plumas Butterfly Valley, near Quincy. 1220 Comment
  SD9050  Rudbeckia occidentalis Mrs. R. M. Austin 1880-1 Plumas Mount Dyer Comment
  CDA13980  Rudbeckia occidentalis var. occidentalis G. F. Hrusa 1996-8-2 13444 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  CAS-BOT-BC422166  Rumex californicus John Thomas Howell 1961-9-23 36836 Plumas Indian Valley 1082 Comment
  CHSC20783  Rumex fueginus K. R. Stern 1975-7-23 5852 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC433760  Rumex pulcher John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2358 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  RSA201292  Rumex salicifolius var. triangulivalvis J. T. Howell 1960-7-19 35616 Plumas Drakesbad 1677 Comment
  UCD101480  Rumex triangulivalvis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1371 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC44256  Sagittaria cuneata Vernon Oswald 1988-7-19 3599 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  JEPS32196  Sagittaria cuneata R. H. Platt 1891-1 Plumas The Sierras Comment
  CAS-BOT-BC445680  Sagittaria cuneata John Thomas Howell 1926-7-24 2109 Plumas Lake Almanor near Prattville 1371 Comment
  SD6305  Sagittaria latifolia Daniel Cleveland 1882-7-27 Plumas Big Meadows Comment
  CAS-BOT-BC445742  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, near Quincy 1219 Comment
  CAS-BOT-BC445743  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1219 Comment
  SD46456  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1220 Comment
  CHSC73435  Salix eastwoodiae H. Durio 1995-8-17 Plumas Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps.On Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jct with Rd 23N18. 1676 Comment
  RSA60263  Salix eastwoodiae E. K. Balls 1950-9-1 15586 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  UC1134847  Salix eastwoodiae G. T. Nordstrom 1934-7-20 240 Plumas at Silver Lake Dam Silver Lake Dam; Bidwell Bar Quadrangle Comment
  CAS-BOT-BC107971  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  UC846473  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  UCD111499  Salix lasiandra Michael A. Vincent 1999-6-7 8535 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  JEPS105992  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CAS-BOT-BC107053  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Canyon 1066 Comment
  CHSC69902  Salix lemmonii L. P. Janeway 1997-5-14 5124 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 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
  UC449845  Salix lemmonii L. S. Smith 1931-5-27 7 a Plumas Plumas Meadow Plumas Nat'l Forest, Plumas Meadow Comment
  CAS-BOT-BC125110  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  RSA218938  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 397 Plumas N Fork of Feather River, at Chester. 1350 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
  CAS-BOT-BC128236  Salix lucida Alice Eastwood 1918-5-25 6974 Plumas Portola Comment
  CHSC80692  Salix lucida subsp. lasiandra Lowell Ahart 2001-6-4 8754 Plumas On the north side of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. 1615 Comment
  CAS-BOT-BC129394  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
  SBBG32405  Salix melanopsis L. S. Rose 1968-6-10 Plumas Quincy 1036 Comment
  UC482043  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 396 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  RSA5708  Salix prolixa Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 394 Plumas N Fork of Feather River, at Chester. 1350 Comment
  CHSC41278  Salix scouleriana J. D. Jokerst 1984-5-14 2017 Plumas At the edge of south fork of Ward Creek ca. 1/4 mile upstream of falls. Sw of Genesee Valley. 1584 Comment
  UC1135079  Salix scouleriana G. T. Nordstrom 1934-7-17 231 Plumas 1 1/2 mi. s & 1/2 mi. e. Buck's Mt.; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  UCD99307  Salsola soda E. K. Balls 1950-9-15 15864 Plumas south tip of Lake Almanor; near P.G.E. dam, Hwy 89. 1371 Comment
  JEPS12743  Sambucus mexicana Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  UC1119903  Sambucus mexicana F. W. Embree 1934-6-22 120 Plumas 1/2 mi sse Thompson Lake; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  CAS-BOT-BC235200  Sambucus racemosa var. racemosa Anna Head 1920-7-15 s.n. Plumas Round Lake Peak, trail, Feather River Region 2194 Comment
  SEINET7358854  Sanguisorba annua D. A. McMillan 1913-6-1 L- 3 Plumas Plumas NF; Mt. Hough; 0 1372 Comment
  RSA74136  Sanicula bipinnatifida Milo S. Baker 1952-5-26 12466 Plumas Indian valley, 1/2 mi below Crescent Mills, Hwy 89 Comment
  CDA11850  Sanicula graveolens G. F. Hrusa, E. Sandoval 1993-5-3 11138 Plumas Surrounding Snake Lake., nr. Quincy. Comment
  POM180936  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover valley Comment
  UC875486  Sanicula graveolens A. A. Heller 1915-7-7 12061 Plumas 12 mi W of Bucks (near the summit of Soapstone ridge); Sierra Nevada 1676 Comment
  SEINET11155993  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover Valley. Comment
  CHSC33875  Sanicula tuberosa M. S. Taylor 1981-5-8 3658 Plumas At jcts of rds 26N18m 26N92, 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC65086  Sanicula tuberosa Vernon H. Oswald; Lowell Ahart 1995-7-24 7115 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
  JEPS113467  Sanicula tuberosa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13992 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
  JEPS965  Sanicula tuberosa W. L. Jepson 1910-6-5 4067 Plumas Warner Valley 1524 Comment
  RSA201350  Sanicula tuberosa J. T. Howell 1960-7-22 35918 Plumas Drakesbad. Devils kitchen 1677 Comment
  JEPS25811  Sanicula tuberosa John W. Duffield 1937-5-23 Plumas near Bear Creek Ranger Station (southwestern Plumas County) Comment
  SBBG26810  Sarcodes sanguinea J. Ownbey, R. P. Ownbey 1938-7-14 1741 Plumas below Humboldt Summit on rd between Jonesville and Lake Almanor Comment
  CDA38883  Sarcodes sanguinea R. Wilkey 1959-5-16 2380 Plumas Buck s Lake. 0 Comment
  POM255807  Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. Comment
  SEINET10904415  Sarracenia flava Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5089 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
  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
  CDA11932  Saxifraga oregana G. F. Hrusa, J. Dinsdale 1989-6-27 7207 Plumas Sierra Nevada; NW end of Bucks Lake, . Comment
  UC397401  Saxifraga oregana Herbert McLean Evans 1922-7-20 Plumas Grassy Lake; Sierra Nevada, Mount Lassen Region, Grassy Lake Comment
  CAS-BOT-BC111268  Schoenoplectus acutus var. occidentalis John Thomas Howell; Gordon H. True 1967-7-9 43254 Plumas North Fork of Feather River 3 miles southwest of Caribou. 853 Comment
  CAS-BOT-BC111571  Schoenoplectus americanus John Thomas Howell 1960-7-19 35642 Plumas Wet slope near hot springs, Drakesbad. Plants of Lassen Volcanic National Park. Comment
  CAS-BOT-BC110860  Scirpus diffusus John Thomas Howell 1976-7-15 51870 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CAS-BOT-BC30738  Scirpus diffusus Walter Knight; Irja Knight 1966-9-12 1708 Plumas Beargrass Glade. 1127 Comment
  CAS-BOT-BC30740  Scirpus diffusus John Thomas Howell 1959-9-22 34852 Plumas Drakesbad 1737 Comment
  CHSC54873  Scirpus microcarpus Vernon H. Oswald 1991-9-11 4872 Plumas Lassen Volcanic Park. Road to Drakesbad, ca. 0.5 mi west of the boundary of the park. On the edge of Hot Springs Creek. 1615 Comment
  UC174631  Scutellaria A. A. Heller and P. B. Kennedy 1907-7-11 8798 Plumas Prattville Comment
  CHSC11061  Scutellaria californica Lowell Ahart 1968-6-29 Plumas Two miles E. of La Porte. 914 Comment
  UC450432  Scutellaria siphocampyloides J. G. Lemmon 624 Plumas Indian Valley; High Sierra, Indian Valley Comment
  SD6635  Scutellaria tuberosa Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  CAS-BOT-BC240091  Secale cereale John Thomas Howell; Gordon H. True 1968-6-10 44554 Plumas Quincy 1036 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
  SEINET10449666  Sedum albomarginatum Mary Susan Taylor 1981-7-26 Taylor 4109 Plumas T26N R7E nw1/4 se1/4 sec. 33. Almanor SW. Quincy RD. N side of Caribou Rd., just E of where French Creek crosses, 4.4 mi NE of jct Caribou Rd and Hwy 70 near Beldon. 945 Comment
  CHSC21654  Sedum laxum subsp. laxum D. Brink; L. Mayer 1975-7-6 Plumas Buck's Lake Forest Service Survey. 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-BC62194  Selaginella wallacei John Thomas Howell; Gordon H. True 1967-5-9 42215 Plumas Lewisia Rock, 3.5 miles southwest of Beldon, Feather River Canyon 609 Comment
  CAS-BOT-BC62195  Selaginella wallacei John Thomas Howell 1959-9-26 35082 Plumas Storrie 548 Comment
  SEINET10530443  Selaginella wallacei Mary Susan Taylor 1981-3-5 Taylor 3400 Plumas T23N R5E ne sec 11. Pulga quad. S side of Hwy 70, Butte-Plumas County line, ne of Pulga. 1800 ft. 549 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
  UC91664  Senecio hydrophilus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  SEINET3148726  Senecio hydrophilus E. K. Balls 1950-9-6 15685 Plumas Road from Quincy to East Quincy 1097 Comment
  CAS-BOT-BC363795  Senecio integerrimus John Thomas Howell 1962-6-17 37697 Plumas Portola 1463 Comment
  CHSC57421  Senecio integerrimus var. exaltatus L. P. Janeway; Garrett Gibson 1991-6-20 4054 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 1/3 mi west of Middle Fork Feather River and ca 300 ft east of Hwy 70. 1484 Comment
  CAS-BOT-BC363928  Senecio integerrimus var. exaltatus L. P. Janeway 1992-5-14 4179 Plumas Plumas National Forest, Beckwourth Ranger District. Head of Dotta Canyon; 0.1 mi north of Dotta Saddle 1834 Comment
  RSA0124939  Senecio integerrimus var. exaltatus Michael A. Vincent 1999-6-7 8527 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CHSC97297  Senecio serra var. serra Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  POM272149  Senecio triangularis Lyman Benson 1932-7-29 3991 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CAS-BOT-BC364770  Sericocarpus oregonensis subsp. californicus M. S. Taylor 1981-9-2 4262 Plumas W side of 26N18, ca. 1 mi s of Onion Flat, ca. 3 mi w of Indian Falls 1463 Comment
  UCD135897  Sericocarpus oregonensis subsp. californicus J. M. Tucker 1968-9-13 4139 Plumas on slope above Butterfly Valley. Around 2 miles southwest of Keddie. 1066 Comment
  CAS-BOT-BC240245  Setaria viridis John Thomas Howell 1959-9-20 34719 Plumas Tobin 609 Comment
  CHSC21206  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-7-10 143 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS67211  Sidalcea glaucescens W. I. Follett 1936-6-29 Plumas Rich Gulch Comment
  UC108921  Sidalcea glaucescens T. S. Brandegee 1892-7-3 Plumas Prattville Comment
  SDSU8172  Sidalcea malviflora subsp. asprella R. M. Beauchamp 1965-7-17 Plumas 1/2 mile north of Chester Comment
  RSA95195  Sidalcea malviflora subsp. asprella F. W. Peirson 1926-6-21 6786 Plumas East slope of Sierra Nevada, Humboldt Road Comment
  JEPS97968  Sidalcea oregana subsp. spicata B. G. Baldwin 1999-8-7 1090 Plumas N of Almanor Reservoir (E of Chester) (along road to Last Chance Campground (USFS), along E edge of Last Chance Marsh, where marsh extends E of road at junction with road bearing E) Comment
  RSA52854  Sidalcea oregana subsp. spicata R. Weatherby 1950-7-21 1473 Plumas East Quincy Comment
  UCD98585  Silene dichotoma subsp. dichotoma G. L. Stebbins Jr. 1970-7-24 7071 Plumas Blairsden. 1341 Comment
  RSA502369  Silene douglasii D. W. Taylor, Ingrid Olmsted 1974-8-24 5401 Plumas Lassen National Forest: Thousand Lakes Wilderness, vicinity of Magee Peak. 2439 Comment
  CHSC66935  Silene laciniata subsp. californica James D. Jokerst 1992-1-1 3441 Plumas Serpentine formation, without further data. Comment
  CAS-BOT-BC389372  Silene lemmonii Lowell Ahart 1968-6-29 s.n. Plumas 6 miles northeast of La Porte 1371 Comment
  CAS-BOT-BC389384  Silene lemmonii John Thomas Howell 1960-7-20 35715 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA14135  Silene lemmonii G. F. Hrusa 1997-5-3 13825 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC24258  Silene lemmonii K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC97179  Silene lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14058 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC389373  Silene lemmonii L. P. Janeway 1990-7-2 3754 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  SD8098  Silene menziesii Mrs. R. M. Austin 1877-1 Plumas American Valley. Comment
  JEPS50952  Silene nuda W. L. Jepson 1918-8-16 8012 Plumas dry flats near Taylorsville; near Taylorsville 1097 Comment
  POM147055  Silene nuda Alice Eastwood 1927-06 14914 Plumas On road from Reno to Chilcott. Comment
  UC1037218  Silene nuda Leo Whitney 1934-8-23 1584 Plumas one mi e Murdock Crossing (Plumas National Forest); , e of Murdock Crossing 1920 Comment
  SEINET10833469  Silene nuda subsp. insectivora Mary Susan Taylor 1982-6-28 Taylor 4764 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
  CHSC82498  Silene occidentalis subsp. occidentalis Lowell Ahart 2002-6-26 9779 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CDA19277  Sisyrinchium bellum G. D. Barbe, T. C. Fuller 1982-6-17 3863 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CDA17254  Sisyrinchium elmeri G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16281 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CDA14671  Sisyrinchium idahoense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3113 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET10507627  Sitanion hystrix Mary Susan Taylor 1981-7-6 Taylor 3967 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  RSA252469  Sium suave R. F. Thorne, C. W. Tilforth 1969-9-6 39240 Plumas Wet margin of Feather River, 1 mi SW of Beckwourth 1357 Comment
  UC1134652  Smilacina racemosa F. W. Embree 1934-6-6 88 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  JEPS62157  Smilacina racemosa Esther C. Fritz 1933-7-2 Plumas creek bed above and w Meadow Valley; Schneider Creek 1188 Comment
  CAS-BOT-BC157243  Solanum umbelliferum A. Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  CAS-BOT-BC157242  Solanum umbelliferum W. D. Dakan 1974-4-25 s.n. Plumas At mouth of Chambers Creek, just above Tobin, North Fork of the Feather River 640 Comment
  RSA184955  Solidago canadensis subsp. elongata L. S. Rose 1966-7-28 66072 Plumas Quincy 1067 Comment
  CAS-BOT-BC365515  Solidago elongata John Thomas Howell; Gordon H. True 1974-7-29 50630 Plumas Quincy 1036 Comment
  CAS-BOT-BC365118  Solidago velutina subsp. californica John Thomas Howell 1961-9-22 36816 Plumas Greenville 1088 Comment
  CAS-BOT-BC157314  Sorbus californica Anna Head 1921-7-11 s.n. Plumas Long Lake trail, Feather River Region 2011 Comment
  CHSC61588  Sparganium emersum subsp. emersum L. P. Janeway 1992-9-16 4314 Plumas Plumas National Forest. Middle Fork Feather River 1 1/2 mi west of Beckwourth. Along the river. 2133 Comment
  JEPS108158  Sparganium natans L. P. Janeway 1994-8-24 4750 Plumas Northern High Sierra Nevada. Shallow pond in South Fork Rock Creek at Deanes Valley Campground 1298 Comment
  JEPS115526  Spergularia rubra Lowell Ahart, John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC390684  Spergularia rubra John Thomas Howell; Gordon H. True 1974-7-29 50624 Plumas Quincy 1036 Comment
  RSA176437  Sphaeromeria potentilloides var. potentilloides P. H. Raven 1963-5-28 18421 Plumas 1.1 miles E of Beckwourth. Comment
  CHSC34265  Sphenosciadium capitellatum M. S. Taylor 1981-7-27 4120 Plumas Along spring crossing Beckwourth-Genessee Rd, between Crystal and Meadow creeks, ca. 2 mi S of Notson bridge, ca. 17 air mi NE of Blairsden. 1737 Comment
  CAS-BOT-BC149638  Spiraea douglasii John Thomas Howell 1961-6-21 36605 Plumas Greenville 1097 Comment
  HSC19749  Spiraea douglasii L. S. Rose 1969-6-24 69049 Plumas Butterfly Valley, W of Keddie 1159 Comment
  UCD147802  Spiraea douglasii Allyson Ayalon; Lucie Jerabkova 2012-8-1 155 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  UCD20954  Spiraea douglasii E. Bortiri 2002-6-1 WFC 2 Plumas Mill Creek at Bucks Lake, Plumas NF. Comment
  SEINET7707755  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-9 8786 Plumas Prattville. Comment
  SEINET7707962  Spiraea splendens E. K. Balls 1950-9-1 15604 Plumas E of Long Lake, upper slopesof meadow leading to two smaller lakes. 2134 Comment
  SEINET10470125  Spiranthes porrifolia Mary Susan Taylor 1982-7-22 Taylor 4906 Plumas T24N R9E sw/ne sec 6. Bucks Lake NE quad. Riparian Woodland; s edge of Snake Lake by dam, ca. 2 mi ne of Meadow Valley. 4000 ft. 1219 Comment
  UCD138082  Spirodela polyrhiza Herbert L. Mason 1953-7-8 14561 Plumas 4 miles northwest of Loyalton. Comment
  CHSC47368  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3548 Plumas Plumas National Forest. Along edge of dirt road in draw between Olive Cr and Peoria Cr, above Middle Fork Feather River. 1463 Comment
  CHSC51238  Stachys ajugoides var. rigida Lowell Ahart 1976-7-7 1157 Plumas Growing along Cold Water Creek, at the camp on Cold Water Creek, about 4 miles south of Grizzly Mountain. 1524 Comment
  UC120034  Stellaria calycantha Mrs. R. M. Austin 1882-8-10 Plumas Lassen's Peak Comment
  CAS-BOT-BC397726  Stellaria nitens John Thomas Howell 1976-4-2 51575 Plumas 2 miles NW of Spring Garden 1173 Comment
  CHSC91793  Stenotus acaulis G. D. Barbe; T. C. Fuller 1982-6-17 3812 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  JEPS2875 Image available Stenotus acaulis var. kennedyi Heller and Kennedy 1907-7-3 8698 Plumas hills above Red Clover Valley; ; Above Red Clover Valley, Plumas Co. Comment
  CAS-BOT-BC375620  Stephanomeria lactucina M. S. Taylor 1981-7-21 4096 Plumas Ca. 1/8 mi e of 25N18, ca. 1 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden 2011 Comment
  CHSC21809  Stephanomeria lactucina F. T. Griggs; A. Pass 1975-7-30 267 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC375617  Stephanomeria lactucina John Thomas Howell 1951-6-27 27561 Plumas Johnsville 1584 Comment
  SEINET10474964  Stephanomeria lactucina Mary Susan Taylor 1981-7-21 Taylor 4076 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  CHSC109863  Stipa nelsonii var. dorei L. P. Janeway 2012-8-8 11048 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1745 Comment
  CAS-BOT-BC87786  Streptanthus tortuosus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54315 Plumas Sierra Nevada. Near Englemine on Diamond Mountain road northeast of Taylorsville. 1219 Comment
  CAS-BOT-BC87796  Streptanthus tortuosus Mrs. H. C. Cantelow 1941-5-18 3632 Plumas 1.5 mile west of Johnsville on road to Gibsonville. Comment
  SEINET4891937  Streptanthus tortuosus M. J. Williams, E. McPherson 1974-8-5 74 -P-6 Plumas Trail from Silver Lake to Mount Elwell. 2073 Comment
  CHSC98313  Streptanthus tortuosus var. pallidus L. P. Janeway 2007-5-20 8998 Plumas Northern High Sierra Nevada. Along Hwy 70/East Branch North Fork Feather River/Serpentine Canyon, 1.0 road km east of the Rich Bar overlook. Steep rocky south-facing serpentine. 777 Comment
  JEPS95604  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles S of Pilot Peak 2011 Comment