Search Results — 2000 specimen records retrieved (1429 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
  SEINET10896279  Abies Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4021 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  JEPS104251  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas Ca 40 yd s of the road to Tamarack Flat, on n side of a small branch of Fall River, ca 1/8 mi w of intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte 1714 Comment
  UC336753  Abies concolor unknown Plumas Thompson's Quincy Comment
  CAS-BOT-BC78093  Abies magnifica John Thomas Howell; Gordon H. True 1973-7-31 50065 Plumas summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC333232  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  CHSC21573  Acer macrophyllum D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Found in the middle e portion of the section. Bucks Lake Floristic Survey. Comment
  NY42162  Acer macrophyllum J. B. Walker 1994-8-3 871 Plumas On La Porte Rd, 10km S of junction with Hwy 70 1400 Comment
  CAS-BOT-BC28739  Achillea millefolium John Thomas Howell 1960-7-18 35576 Plumas Drakesbad 1828 Comment
  CHSC9721  Achillea millefolium Nancy Mosman 1971-7-11 88 Plumas In meadow on the w side of Feather River ca. 0.6 mi s of Belden turnoff and Hwy 70. 1025 Comment
  CAS-BOT-BC28731  Achillea millefolium Edward Kent Balls 1950-9-8 15711 Plumas Lake Center Public Campground 2042 Comment
  CAS-BOT-BC28736  Achillea millefolium Javier Penalosa 1962-6-19 2494 Plumas Hwy 40-89, 6.2 miles SE of Quincy 1097 Comment
  SEINET11842153  Achillea millefolium var. lanulosa M. Sacks, Detzer 1977-1 9 Plumas Edge of Yellow Pine Forest. ca 3.5 km NE of Squaw Pk. Milford Quad., Sec. 1, T25N, R14E 1973 Comment
  SEINET204040 Image available Achnatherum hymenoides F. J. Hermann 1955-1 11949 Plumas Beckworth; schoolyard. Comment
  CAS-BOT-BC210689  Achnatherum lemmonii John Thomas Howell 1962-6-17 37710 Plumas Portola 1463 Comment
  CAS-BOT-BC210698  Achnatherum lemmonii David D. Keck 1944-7-8 5437 Plumas Dixie Canyon Store, 2 mi. S. W. of Crescent Mills, on Indian Creek 1066 Comment
  CHSC53185  Achnatherum lemmonii L. P. Janeway 1989-6-29 3418 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  SEINET203888 Image available Achnatherum lemmonii F. J. Hermann 1955-7-27 11948 Plumas Beckwour schoolyard. Comment
  UCD50461  Achnatherum lemmonii G. L. Stebbins Jr. 1939-7-6 2900 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Plumas County. 1097 Comment
  RSA88117  Achnatherum lemmonii var. lemmonii J. T. Howell 1951-6-29 27745 Plumas Spring Garden Creek. 1159 Comment
  CAS-BOT-BC216878  Achnatherum occidentale John Thomas Howell; Gordon H. True 1973-7-31 50069 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC210842  Achnatherum occidentale subsp. californicum L. P. Janeway 1990-8-2 3821 Plumas Plumas National Forest, Beckwourth Ranger District. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge 2057 Comment
  CHSC97287  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2007-8-9 14449 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  RSA699787  Achnatherum thurberianum L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11152 Plumas On the north side of a forest road, southwest of a small meadow and seeps, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2125 Comment
  UCD51433  Achnatherum thurberianum August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest, near RR plots. Comment
  SBBG22468  Acmispon americanus C. B. Hardham 1961-6-15 7403 Plumas Graeagle Comment
  CHSC32034  Acmispon americanus var. americanus L. Ahart 1977-7-26 1501 Plumas Along road to Bunker Hill Creek, ca. 0.5 mi below Bunker Hill Mine, ca. 10 mi ne of La Porte. 609 Comment
  CHSC75497  Acmispon americanus var. americanus G. D. Barbe; J. T. Fuller, T. C. Fuller 1981-6-24 3191 Plumas Mt. Houg-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of uincy Juncion. 1280 Comment
  CAS-BOT-BC391479  Aconitum columbianum subsp. columbianum Catherine Best 1983-8-29 876 Plumas Lakes Basin Campground 1920 Comment
  CAS-BOT-BC391467  Aconitum columbianum subsp. columbianum Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  CAS-BOT-BC412612  Aconogonon alaskanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region 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
  CHSC43726  Actaea rubra Vernon Oswald 1986-7-2 2181 Plumas Pacific Crest Trail, ca. 0.3 mi e of Humboldt Summit. 1999 Comment
  CHSC100139  Adiantum aleuticum L. P. Janeway; B. Castro 2008-9-13 9591 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km north-northwest of Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1649 Comment
  CHSC59162  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1992-9-15 5209 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  JEPS87886  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  SEINET11708384  Adiantum aleuticum R. M. Austin n d s.n. Plumas no further locality Comment
  SEINET13948396 Image available Agastache urticifolia Ethel Crum 1937-1 1947 Plumas Along creek, open glad in coniferous forest. Three miles west of Lake Almanor. Alt 5000 ft 1524 Comment
  CAS-BOT-BC29512  Agoseris John Thomas Howell 1955-7-20 30854 Plumas Mohawk 1371 Comment
  UCR57897  Agoseris glauca R. D. Goeden, Don W. Ricker 1989-8-22 890822- 4 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, Frenchman Lake 1704 Comment
  HSC100128  Agoseris grandiflora G. D. Barbe 1981-6-23 3089 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  CAS-BOT-BC29655  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1526 Plumas Butterfly Valley Botanical Area: area adjacent to pond reservoir 1097 Comment
  CAS-BOT-BC22915  Agoseris heterophylla M. S. Taylor 1982-7-12 4642 Plumas Mt Harkness SE quad. Jct of Hwys 36 and 89, ca. 3 mi w of Chester. 1493 Comment
  JEPS127345  Agoseris monticola Lowell Ahart 2016-6-29 21073 Plumas Top and southwest of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC13314  Agoseris parviflora Alice Eastwood 1918-5-25 6983 Plumas Portola Comment
  CAS-BOT-BC13317  Agoseris parviflora Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  CAS-BOT-BC13431  Agoseris retrorsa Clare B. Hardham 1961-6-15 7406 Plumas Graeagle. 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
  CAS-BOT-BC13436  Agoseris retrorsa Anna Head 1921-6-22 s.n. Plumas Campbell's Hot Springs, Sierra Valley. 1524 Comment
  SEINET10901611  Agropyron dasystachyum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7047 Plumas Yellow pine and douglas fir in plumas national forest off hwy 70. 1067 Comment
  CDA23052  Agrostis G. D. Barbe 1981-6-23 3087 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  UC1024753  Agrostis alba Leo Whitney 1934-8-23 2299 Plumas ca 15 mi n Beckwith; Plumas National Forest, Willow Creek 1950 Comment
  CHSC74150  Agrostis capillaris B. Castro 1998-9-16 839 Plumas On E side of the Peninsula at Little Grass Valley Reservoir, at edge of parking lot at Pancake Beach and CG. 1551 Comment
  CAS-BOT-BC127095  Agrostis exarata John Thomas Howell 1976-7-16 51904 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC74735  Agrostis exarata B. Castro 1998-10-8 859 Plumas Ca 0.25 mi upslope of E edge of Little Grass Valley Reservoir just S of Kenzie Ravine, on gentle NW-facing slope ca 300 ft above USFS RD 22N60. 1554 Comment
  CAS-BOT-BC139602  Agrostis gigantea John Thomas Howell 1976-7-16 31906 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139412  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  UC1586455  Agrostis idahoensis Vernon H. Oswald and Lowell Ahart 1991-7-30 4795 Plumas ca 6 mi (air) ene Humbug Summit (ca 12 mi (air) s of Chester, Big Springs on w side Humbug Valley); w side Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC139352  Agrostis idahoensis George W. Gillett 1957-1-1 788 Plumas Lassen Volcanic National Park. Off stream running from Little Willow Lake into Willow Lake. 1767 Comment
  CDA13753  Agrostis pallens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13485 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Few in +- shaded, wet area immediately below headwater spring. Perennial. Comment
  JEPS76244  Agrostis pallens W. L. Jepson 1939-8-16 19450 Plumas Bucks Valley 1584 Comment
  UCD53165  Agrostis pallens Catherine McWilliams 1971-1 911 Plumas Plumas - Eureka State Park. 1524 Comment
  CAS-BOT-BC138712  Agrostis scabra Thomas H. Kearney 1944-8-14 5 Plumas Near Prattville, Lake Almanor. Comment
  RSA718160  Agrostis scabra L. Ahart 2006-10-23 13493 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  UCD53339  Agrostis scabra Elizabeth Wilson 1939-7-12 s.n. Plumas Greenville. 1524 Comment
  CHSC67736  Agrostis stolonifera James D. Jokerst 1985-7-23 2537 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 Comment
  JEPS107622  Agrostis stolonifera Lowell Ahart, Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CHSC97302  Agrostis variabilis Lowell Ahart; John Dittes 2007-8-9 14438 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  UC441332  Alisma plantago-aquatica Mrs. R. M. Austin Aug. 1896 505 Plumas Big Meadows Comment
  UCSB45746  Alisma triviale Reisentz, Paul 1979-5-12 Plumas At the junction of Highway 70 and Highway 89 Comment
  CHSC33593  Allium campanulatum M. S. Taylor 1981-6-15 3905 Plumas Jct of 24N27 and 24N27 (loop around Smith Lake), ca. 2 mi n of its jct with Bucks Lake Rd, ca. 3 mi ne of Meadow Valley. 1158 Comment
  CHSC52541  Allium campanulatum L. P. Janeway 1990-6-12 3713 Plumas Plumas National Forest. Rattlesnake Creek, just N of Lang Valley; along road 508 ca. 1.1 mi N of Hwy 70/89. 1432 Comment
  CHSC65144  Allium campanulatum Vernon H. Oswald; Lowell Ahart 1995-7-24 7123 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC82481  Allium campanulatum Lowell Ahart 2002-6-26 9776 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
  JEPS115801  Allium campanulatum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15873 Plumas About 1/3 miles (air) west of Lake Almanor Dam, east of Forest Road 27N01Y, gentle slopes south of a small stream 1462 Comment
  CAS-BOT-BC466471  Allium campanulatum Rimo Bacigalupi 1927-7-7 1646 Plumas Upper reaching trail between Gray Eagle Valley and Song Lake Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  JEPS61505  Allium campanulatum W. I. Follett 1937-7-27 Plumas Rich Gulch; Rich Gulch Comment
  CHSC60506  Allium lemmonii L. P. Janeway; Jannice Cutler 1992-5-19 4189 Plumas Plumas National Forest. West side of Ross Ranch Meadow, ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola. 1493 Comment
  CAS-BOT-BC472962  Allium lemmonii Arthur Menzies 1992-5-19 4189 Plumas West side of Ross Ranch Meadow ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola; Plumas National Forest, Beckwourth Ranger District 1493 Comment
  SJSU9821  Allium lemmonii C. W. Sharsmith 1982-5-30 8672 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CHSC57461  Allium platycaule L. P. Janeway; Garrett Gibson 1991-6-11 4000 Plumas Plumas National Forest. Above Poco Creek ca 0.4 mi north-east of Beckwourth-Genesee Road (rd 111) and Red Clover Creek. 1706 Comment
  SJSU15151  Allium platycaule N. A. Hopkins 1993-5-27 1723 Plumas c. 3 mi N of Portola Comment
  SEINET3880097  Allium validum D. W. McNeal 1995-7-16 4129 Plumas Along a stream ca 200 m S of the Gray Eagle trailhead on the trail go Long Lake. Plumas National Forest.; 0 Comment
  NY380653  Allocarya microcalyx A. A. Heller 1907-7-2 8680 Plumas Between Vinton and Peckwith Comment
  CDA18452  Allophyllum integrifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3190 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC100321  Allophyllum integrifolium Lowell Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC89298  Allophyllum integrifolium G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3190 Plumas Sierra Nevada. 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CAS-BOT-BC453441  Allotropa virgata Anna Head 1921-7-29 s.n. Plumas Near Blairsden Comment
  CAS-BOT-BC171357  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1450 Plumas Butterfly Botanical Area and vicinity. In bed of Butterfly Creek at confluence of Spanish Creek 1021 Comment
  CAS-BOT-BC171371  Alnus incana subsp. tenuifolia Anna Head 1921-8-7 s.n. Plumas Feather River Region 1920 Comment
  CAS-BOT-BC171374  Alnus incana subsp. tenuifolia M. B. Kildale 1926-9-11 s.n. Plumas at Chester Comment
  CHSC66617  Alnus incana subsp. tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. High Cascade Range. 1371 Comment
  POM281269  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET10678458  Alnus incana subsp. tenuifolia Bonnie C. Templeton 1967-4-23 Templeton 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  CAS-BOT-BC170692  Alnus rhombifolia Walter Knight; Irja Knight 1966-6-18 1330 Plumas Butterfly Valley. Regional Parks Botanic Garden 1097 Comment
  SBBG25319  Alnus rhombifolia E. Ahrenholz 1962-4-18 20 Plumas between Greenville and Lake Almanor, St Hwy 89 Comment
  SACT002788  Alnus tenuifolia Josephine Van Ess 1975-6-3 Plumas Collected at camp just south of Cromberg of Highway 70 Comment
  SD123469  Alnus tenuifolia Robert F. Thorne 1974-7-30 45002 Plumas Plumas National Forest, Butterfly Valley Botanical Area 1175 Comment
  CHSC47602  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas About 1 mile north-east of Pilot Peak, along the dirt road from Onion Valley to Hpkins Creek, about 16 miles north-east of La Porte. 1737 Comment
  CHSC53754  Alopecurus aequalis L. P. Janeway 1989-7-25 3526 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd111) 6.4 mi north of Beckwourth. 1737 Comment
  SEINET228761  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas 1 mi NE of Pilot Peak 16 mi NE of La Porte 1900 Comment
  SEINET256574  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Ca 4.25 mi NE of La Porte; Little Grass Valley Reservoir where S Fork of Feather River joins lake 1585 Comment
  CAS-BOT-BC137998  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  CHSC34288  Amaranthus powellii L. Ahart 1981-9-6 3083 Plumas On a sandbar along Indian Creek ca. 1/2 mile sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CDA10048  Ambrosia psilostachya L. Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. Comment
  UCD20958  Amelanchier alnifolia E. Bortiri 2002-6-1 WFC 6 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Comment
  CAS-BOT-BC136775  Amelanchier utahensis W. R. Dudley 1909-8-29 s.n. Plumas Hot Springs, Sierra Valley Comment
  CAS-BOT-BC136780  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-7-10 2164 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area 883 Comment
  JEPS114607  Amelanchier utahensis Lowell Ahart 2008-9-10 15386 Plumas By large rocks, north of the camping area, about 30 yards west of the levee in Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/8 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  RSA795727  Amelanchier utahensis L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16125 Plumas East side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  SEINET6329353  Amelanchier utahensis L. R. Miller 1929-5-12 s.n. Plumas 4 miles southwest of Blairsden Comment
  UC577942  Amsinckia tessellata var. tessellata E. Sawyer 1935-6-14 102 Plumas 3/4 mi w of Sugarloaf 1524 Comment
  CHSC21538  Anaphalis margaritacea L. Mayer; D. Brink 1975-8-5 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS88080  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1996-8-14 8155 Plumas road paralleling creek near Greens Flat (ca. 2 air mi nw of Meadow Valley (on the Oroville-Quincy Hwy)); northern High Sierra Nevada, Spanish Creek 1127 Comment
  CAS-BOT-BC64277  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas South Fork of Feather River about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 Comment
  CHSC67452  Angelica breweri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2556 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  CHSC93152  Angelica breweri L. P. Janeway 1994-8-16 4732 Plumas Northern High Sierra Nevada. Slope above Little Schneider Creek about 1.4 mi south of Meadow Valley Creek; along Road 24N24X. 1234 Comment
  CDA13860  Antennaria argentea G. F. Hrusa, T. D. Wilfred 1996-7-23 13403 Plumas Sierra Nevada; Edge of USFS 23N22D. Comment
  CHSC89307  Antennaria argentea G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3218 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  UC2042994  Antennaria argentea Barbara Ertter with Gary Schoolcraft 1990-5-14 8987 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  CAS-BOT-BC59178  Antennaria dimorpha John Thomas Howell 1962-6-17 37707 Plumas Portola 1463 Comment
  JEPS108536  Antennaria dimorpha L. P. Janeway, B. Castro 2006-6-4 8664 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road 1684 Comment
  RSA39730  Antennaria dimorpha Philip A. Munz 1947-5-16 11820 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC58703  Antennaria geyeri Clare B. Hardham 1975-8-2 20492 Plumas Black Mtn. 2133 Comment
  CHSC56838  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 A Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  CHSC57117  Antennaria geyeri L. P. Janeway 1991-8-4 4130 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  UC1125569  Antennaria luzuloides E. Sawyer 1935-6-21 131 Plumas 4.5 mi nne Crow; Sierraville Quad. 1737 Comment
  CAS-BOT-BC79971  Antennaria microphylla Ella Dales Cantelow 1941-5-21 3505 Plumas Meadow Valley Rd. about 8 mi. w. of Quincy 1173 Comment
  UC1125558  Antennaria rosea E. Sawyer 1935-6-27 213 Plumas Mouth of Dixie Valley Sierraville Quad., Dixie Valley 1554 Comment
  CHSC98932  Anthemis tinctoria Samantha Mackey Hillaire 2007-7-1 1251 Plumas Approximately 0.5 mile east of the south end of Butt Valley Reservoir. North of Seneca Road. Meadow area. 1371 Comment
  JEPS20831  Antirrhinum vexillocalyculatum subsp. intermedium S. Galen Smith 1958-7-25 Plumas near Rich Bar (along Feather River Hwy (U.S. 40 Alt), 2.2 mi e of the bridge across the North Fork of the Feather River and the junction with the road to Caribou) 777 Comment
  RSA189369  Aphanes occidentalis L. S. Rose 1967-5-7 67065 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  HSC101699  Apocynum androsaemifolium Dillon North Davis 2013-6-20 29 Plumas 7.2 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1811 Comment
  JEPS114517  Apocynum androsaemifolium Lowell Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  UC1713778  Apocynum androsaemifolium Mrs. A. L. Coombs July, 1902 Plumas Prattville Comment
  SEINET10495816  Apocynum androsaemifolium Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1076 Plumas Collected on S side of Greenville on N facing slope. Douglas-fir forest on small side road. Comment
  SEINET7923486  Apocynum androsaemifolium A. A. Heller, B. B. Kennedy 1907-7-8 8766 Plumas Near Greenville Comment
  UCR3608  Apocynum androsaemifolium subsp. pumilum Wm. Horn Jr. 1963-7-11 630711- 01 Plumas Northern Sierra Nevada Mtns., Meadow Valley logging landing, 4 mi. south of Quincy-Bucks Lake Rd on FS Road 24N29 [Deanes Valley Rd.] 1284 Comment
  RSA59699  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-9 15768 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  SEINET10454891  Apocynum pumilum Mary Susan Taylor 1981-7-17 Taylor 4035 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC397895  Aquilegia formosa Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park. Comment
  SEINET5337615  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  POM99592  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  UC1351717 Image available Arabis constancei L. Constance and T. I. Chuang 1969-7-11 3875 Plumas 7.6 mi se Quincy (at Spring Garden Overpass, on road to Blairsden); ; SE of Quincy, Plumas Co. 1249 Comment
  CDA18735  Arabis holboellii G. D. Barbe, T. C Fuller 1982-7-15 3747 Plumas Plumas National Forest; 5.2 miles northeast of junction with road to Red Hill. 1524 Comment
  CDA13434  Arabis holboellii var. retrofracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13281 Plumas Sierra Nevada; Plumas National Forest. Above Bull Run Creek off USFS 23N12E. Comment
  UC174583  Arabis rectissima var. rectissima A. A. Heller and P. B. Kennedy 1907-7-11 8809 Plumas Prattville Comment
  SEINET2471226  Arceuthobium abietinum R. L. Mathiasen 2007-8-8 2007 -31 Plumas Ca. 1.6 km E. of Grizzly Summit on forest road 414 1700 Comment
  CHSC63185  Arceuthobium campylopodum Lowell Ahart 1994-6-29 7418 Plumas Open bare serpentine, west of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  UCD52291  Arctostaphylos mewukka John Thomas Howell 1976-4-2 51577 Plumas In the Transition Life Zone; 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC40015  Arctostaphylos nevadensis Alice Eastwood 1927-6-15 14593 Plumas Forest Lodge near Greenville Comment
  JEPS16625  Arctostaphylos nevadensis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3955 Plumas on slopes to e Long Lake (Plumas-Sierra Co. boundary); Mt. Elwell region 2042 Comment
  RSA605327  Arctostaphylos nevadensis L. C. Wheeler 1952-9-24 6955 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  UC1552779  Arctostaphylos patula Frederica Bowcutt 1985-6-7 582 Plumas along Hwy 89 halfway between Clio and Calpine (Plumas-Sierra Co. line) 1432 Comment
  UC566007  Arctostaphylos patula E. Nourse 1934-9-4 29 Plumas E. Clermont Mountain Downieville Quadrangle 2133 Comment
  CHSC21101  Arctostaphylos patula subsp. patula F. T. Griggs; A. Pass 1975-7-3 77 Plumas Buck's Lake. N. of Grizzly Forebay. Comment
  SEINET11990943  Arctostaphylos truei W. Knight, Knight, I. 1983-1 4892 Plumas N fork of Feather River watershed, near Injun Jim Campground on US 70 732 Comment
  CAS-BOT-BC47026  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1986-2-6 5220 Plumas Between bridge over n. fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CHSC91931  Arenaria aculeata L. P. Janeway 2005-7-31 8510 Plumas Northern High Sierra Nevada. Diamond Mountains, top of spur ridge 0.3 km southwest of Crystal Peak. 2308 Comment
  JEPS113813  Arenaria kingii var. glabrescens Lowell Ahart, John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  JEPS95362  Arenaria kingii var. glabrescens Lowell Ahart 1994-6-29 7413 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  CAS-BOT-BC82218  Arnica chamissonis Malcom A. Nobs; S. Galen Smith 1949-8-18 1396 Plumas Last Chance Creek, ca. 2 miles north of Lake Almanor, near Chester Comment
  CHSC21696  Arnica dealbata F. T. Griggs; A. Pass 1975-7-16 200 Plumas N. shore of Lower Buck's Lake. Comment
  CDA13359  Arnica discoidea G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13208 Plumas Sierra Nevada; Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CHSC79444  Arnica discoidea G. F. Hrusa; B. Smith 1996-7-15 13208 Plumas Sierra Nevada Flora - Plumas National Forest. Hwy 70 approx. 3 mi. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CAS-BOT-BC82505  Arnica discoidea Thomas H. Harris 1969-7-6 s.n. Plumas E side of Lake Almanor along [Haun's] Hauns Meadow Road, ca. 1 mile e. of lake, on ridge divide Comment
  CAS-BOT-BC82510  Arnica discoidea E. K. Balls 1950-9-9 15767 Plumas 1.5 mi. along trail from Lakes Center Public Camp to Long Lake outlet, southern Plumas County 2072 Comment
  JEPS35859  Arnica discoidea John Warren Duffield 1937-7-18 Plumas Spring Hill Trail Schneider Creek, sw Plumas Co Comment
  CAS-BOT-BC82654  Arnica latifolia Lowell Ahart 1980-7-27 2489 Plumas About 5 miles east of Bucks Lake 1500 Comment
  CHSC87993  Arnica mollis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11166 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
  CAS-BOT-BC85062  Arnica parryi Anna Head 1920-8-3 s.n. Plumas Feather River Region - Meadows above Lake Center Camp not yet common. 1920 Comment
  CAS-BOT-BC85019  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Higher sagebrush flats on south side of Middle Fork Feather River 1.75 mi west of Beckwourth. Portola quad 1487 Comment
  UC579412  Artemisia arbuscula subsp. arbuscula C. G. Albertus 1935-8-22 273 Plumas 2 1/2 mi s Bagley Pass; Plumas National Forest, Downieville Quadrangle 1767 Comment
  CAS-BOT-BC90123  Artemisia biennis M. S. Taylor 1982-8-27 5071 Plumas Ramelli Ranch, where Feather River [corsses] crosses RR tracks, ca. 1.5 mi sw of Beckwourth. Portola quad. 1487 Comment
  JEPS102859  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 A Plumas Old road that crossed Indian Creek, ca 50 yards east of the RR tracks, where railroad has a bumper to start the signal lights on Arlington Road, ca 400 yards S of Arlington Rd, 50 yards east of Highway 89, ca 1 1/2 miles S of Crescent Mills. 1066 Comment
  CAS-BOT-BC90415  Artemisia douglasiana Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1464 Plumas In Butterfly Canyon 990 Comment
  UC1119488  Artemisia tridentata subsp. tridentata R. Roseberry 1934-11-19 16 Plumas 1/2 mi n Bungalow; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC99276  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 Plumas Crocker Mtn. quad. - along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 1752 Comment
  JEPS37054  Artemisia tridentata subsp. vaseyana W. L. Jepson 1939-8-16 19425 Plumas Dixie Valley 1767 Comment
  HSC3275  Asarum lemmonii L. S. Rose 1968-6-11 68109 Plumas Butterfly Valley, 4 mi. S of Keddie 1037 Comment
  UCSB46175  Asclepias cordifolia Reisentz, Paul 1979-5-12 Plumas At Injun Jim Campgrounds, 6.7 miles south of Beldon on Highway 70 Comment
  CDA18577  Asclepias speciosa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3302 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CHSC4694  Asclepias speciosa R. Carter 1966-8-10 474 Plumas Found ca. 8 mi. N Quincy along E side Hwy. 70, 500 yds S of bridge over Spanish Cr. 944 Comment
  CAS-BOT-BC69584  Aspidotis densa John Thomas Howell 1951-6-27 27636 Plumas Jamison Creek. 1828 Comment
  CAS-BOT-BC69587  Aspidotis densa Lewis S. Rose 1963-6-5 63135 Plumas E. branch, North Fork Feather River, 0.5 mi. n. of Rich Bar. 822 Comment
  CHSC33889  Aspidotis densa M. S. Taylor 1981-5-8 3651 Plumas At jcts of rds 26N18, 26N92 and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. S07 NW1/4 of NE1/4. 1615 Comment
  SEINET13709329  Aster frondosus Lowell William Ahart, Lowell William Ahart 2001-1 9268 Plumas W Side Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  RSA507795  Aster integrifolius J. C. Semple, S. Heard 1986-8-13 8415 Plumas Little Grassy Lake Road, near Little Grassy Valley Rec. area, between Laporte and Quincy Comment
  RSA59462  Aster occidentalis E. K. Balls 1950-9-16 15871 Plumas 5 miles soutehast of Graeagle, along Sulphur Creek, Hwy 89 1372 Comment
  RSA755216  Aster oregonensis L. Ahart, John Dittes 2009-8-28 16358 Plumas NE side of Forest Service Road 27N98, headwater of Clear Creek, about 1.9 air miles NNE of Butt Valley Reservoir Dam, about 3 air miles SW of Lake Almanor Reservoir Dam. 1477 Comment
  CDA14016  Aster oregonensis subsp. californicus G. F. Hrusa, B. Smith 1996-8-1 13481 Plumas Sierra Nevada; Plumas National forest. USFS Butterfly Botanical Area Comment
  RSA122569  Aster radulinus G. T. Nordstrom 1934-7-9 210 Plumas 1.25 miles southeast of Mount Ararat; Plumas National Forest 1585 Comment
  JEPS87576  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas e Frenchman Hill (e of Oroville Quincy Highway, sw of Bucks Lake); sw of Bucks Lake, e of Frenchman Hill 1828 Comment
  SEINET948658  Astragalus pulsiferae Lewis S. Rose 1955-1 55152 Plumas Beckworth Pass 1494 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  SJSU4151  Astragalus purshii C. W. Sharsmith & W. Savage 1967-5-20 7521 Plumas near S base of The Buttes (not Sierra Buttes), c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  UCR88852  Astragalus webberi J. T. Howell, H. K. Wagnon 1980-5-27 s.n. Plumas Near Crescent Mills in SW end of Indian Valley. 1067 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  SD9780  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1880-1 Plumas Big Meadow Comment
  CAS-BOT-BC17544  Athysanus pusillus Matt Lavin 1982-6-25 4147 A Plumas Sierra Nevada. 4 miles from Graeagle on road to Gold Lake. 1706 Comment
  CAS-BOT-BC17547  Athysanus pusillus John Thomas Howell 1976-4-2 51572 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC66253  Azolla mexicana Robert J. Weatherby 1950-7-28 1484 Plumas at edge of Indian Creek, on road to Taylorsville 1066 Comment
  CDA13922  Balsamorhiza G. F. Hrusa 1997-5-3 13847 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  SEINET9355340  Balsamorhiza deltoidea Unknown 1982-6-15 5637 Plumas On serpentine slope uphill, 0.8 mi W of jct of rd to Red Hill Lookout and rd to Cherry Hill. (USFS Rd #26N22F); 3.3 mi E of Red Hill Summit, Plumas National Forest. Y25N, R7E, SEC 2 BM: M Plant Systematics Lab/Herb. CDA; Dept. of Food & Agric. Comment
  CHSC34904  Balsamorhiza macrolepis var. platylepis M. S. Taylor 1981-6-3 3843 Plumas W side of 24N10. Ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola. 1767 Comment
  CAS-BOT-BC100098  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
  UC88466  Balsamorhiza sagittata Mrs. R. M. Austin 1875-6-1 94 Plumas American Valley Comment
  RSA123041  Balsamorhiza sagittata E. Sawyer 1935-5-21 2 Plumas 3/4 mile WSW of Beckwith. 1494 Comment
  SEINET10448243  Barbarea orthoceras Mary Susan Taylor 1982-9-7 Taylor 5094 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
  JEPS113937  Bassia hyssopifolia W. and N. Harnach 2000-8-23 999 Plumas Sierra Valley 1 mile west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC145812  Beckmannia syzigachne John Thomas Howell 1951-8-20 28216 Plumas Sierra Nevada. Genesee. 1127 Comment
  CHSC21181  Bistorta bistortoides F. T. Griggs; A. Pass 1975-7-17 215 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC128020  Blepharipappus scaber Gladys L. Smith 1976-6-7 4575 Plumas vernal pool alongside Rte. A23 about 6 miles north of Sierra Co and just before road to Hot Springs 1524 Comment
  CAS-BOT-BC16868  Boechera Lowell Ahart 1979-8-4 s.n. Plumas About 1 mile north of Pilot Peak.Near Dixon Creek. 1700 Comment
  CAS-BOT-BC17219  Boechera G. L. Smith 1959-6-20 1263 Plumas Gold Lake to Feather River highway at Plumas-Sierra County line. 1828 Comment
  CAS-BOT-BC16131  Boechera constancei M. S. Taylor 1981-8-25 4237 Plumas Red Hill Lookout, ca. 3 air miles northeast of Belden. 1920 Comment
  CAS-BOT-BC16136  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4479 Plumas Both sides of road 27N92, near Goldstripe Mine, ca. 2.25 miles southeast of Canyon Dam. 1584 Comment
  CAS-BOT-BC16139  Boechera constancei John Thomas Howell 1974-9-20 40896 Plumas Sierra Nevada. About 2 miles from Spring Garden on road to Quincy. 1158 Comment
  CHSC35903  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas S side of 27N92, ca. 1.5 air mi se of Canyon Dam. 1524 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-BC14108  Boechera pauciflora Walter Knight; Irja Knight 1967-5-22 1907 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  SEINET3166405  Boechera pauciflora P. J. Alexander 2009-5-26 1043 -A Plumas East slope of the northern Sierra Nevada, north of Frenchman Reservoir, volcanic knob on the N side of Little Dooley Creek, 5.4 miles N of the Frenchman R. dam, 4.5 miles WNW of Crystal Peak, Plumas National Forest. 1801 Comment
  CHSC63451  Boechera pinetorum Lowell Ahart 1994-7-22 7494 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CAS-BOT-BC14295  Boechera platysperma John Thomas Howell 1960-7-17 35497 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC14304  Boechera platysperma Anna Head 1921-7-30 s.n. Plumas Feather River Region. Lake Center Camp. 1981 Comment
  CAS-BOT-BC14469  Boechera platysperma John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54268 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CHSC104754  Boechera platysperma L. P. Janeway 2010-8-19 10169 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). On ridgetop and southeast-facing slope. 1797 Comment
  CHSC43442  Boechera platysperma Lowell Ahart 1974-8-3 588 Plumas Near Mount Etna, about 5 miles east of the Bunker Hill Mine, about 14 miles north-east of La Porte. 1828 Comment
  CHSC62535  Boechera platysperma B. Castro 1993-7-20 484 Plumas Ca 2 air mi W of Bucks Lake, ca 1 mi N of Grizzly Ck, on ridge between USFS Rds 23N42 and 23N42A. 1645 Comment
  JEPS103375  Boechera rectissima Lowell Ahart 2002-6-26 9774 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CAS-BOT-BC25580  Boechera retrofracta Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas Near Meadow Valley Creek Road about 0.4 mile from M.V. Inn. Comment
  CAS-BOT-BC25718  Boechera sparsiflora John Thomas Howell 1962-6-17 37696 Plumas Sierra Nevada. Portola. 1463 Comment
  CHSC24646  Boechera sparsiflora S. Deaton 1976-4-16 26 Plumas 100 yrds n of Highway 70 and 30 ft e of n bank of Chips Creek. Comment
  CAS-BOT-BC25936  Boechera suffrutescens M. S. Taylor 1982-8-5 4927 A Plumas Mount Hough Summit, ca. 7 miles north northeast of Quincy. 2194 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
  UC123118  Botrychium multifidum Mrs. R. M. Austin Sep 1896 358 Plumas Quincy Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  CAS-BOT-BC127712  Brickellia greenei M. S. Taylor; W Dakan; T. Griggs 1980-9-27 3349 Plumas ca. 1/4 mi s of Bucks Lake -- Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  CHSC34290  Brickellia greenei M. S. Taylor 1981-8-25 4243 Plumas N side of 26N22F - Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Beldon. 1615 Comment
  JEPS102631  Brickellia greenei Lowell Ahart 2001-7-17 8931 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  RSA101372  Brodiaea purdyi R. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS, Quincy. 1067 Comment
  CHSC80901  Bromus carinatus var. carinatus Lowell Ahart; Vernon H. Oswald 2001-7-23 8999 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC148716  Bromus carinatus var. marginatus John Thomas Howell 1977-6-20 52412 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CHSC53075  Bromus carinatus var. marginatus L. P. Janeway 1989-6-29 3416 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  RSA325155  Bromus catharticus M. S. Taylor 1981-7-6 3966 Plumas Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 1799 Comment
  UCD58461  Bromus commutatus John Thomas Howell 1961-6-21 36666 Plumas Sierra Nevada. Greenville. 1097 Comment
  OBI3369  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy 1036 Comment
  UCD59297  Bromus diandrus John Thomas Howell 1961-6-21 36670 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC155057  Bromus hordeaceus Mary S. Clemens 1920-6-10 s.n. Plumas Greenville. Comment
  CHSC69485  Bromus inermis subsp. inermis James D. Jokerst 1985-6-10 2395 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  SEINET10900482  Bromus marginatus Lawrence P. Janeway 1989-1 Janeway 3416 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of Sec. 33. 1756 Comment
  CAS-BOT-BC162144  Bromus orcuttianus John Thomas Howell 1968-6-11 2368 Plumas Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creeek. 883 Comment
  CAS-BOT-BC162157  Bromus orcuttianus John Thomas Howell 1975-7-22 51363 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  JEPS28302  Bromus orcuttianus George W. Gillett 1957-7-17 805 Plumas Lassen Volcanic National Park, in upper Willow Lake Meadow, near east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  CAS-BOT-BC161352  Bromus tectorum John Thomas Howell 1955-7-19 30755 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CHSC53227  Bromus tectorum L. P. Janeway 1989-6-15 3320 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1676 Comment
  LA13855  Bromus tectorum Joseph Andorfer Ewan; 1934-7-19 8249 Plumas Mohawk Valley, Dentens 1615 Comment
  CHSC108739  Calamagrostis canadensis B. Castro; L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At upper lake/lower forest edge around much of lake, expecially the north half. 2058 Comment
  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
  UCD57242  Calamagrostis koelerioides D. Sanchez-Mata; P. Rodrigues-Rojo 1997-8-16 s.n. Plumas Serpentine Canyon, Plumas National Forest, Rich Bar-Virgilia. 800 Comment
  CHSC81142  Calandrinia ciliata Lowell Ahart 2001-8-28 9215 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-BC438487  Calandrinia ciliata John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-5-7 1840 Plumas West edge of Butterfly Valley proper. 1066 Comment
  CHSC65333  Callitriche verna Lowell Ahart 1995-10-1 7646 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. 1828 Comment
  JEPS115922  Callitriche verna Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16213 Plumas In shallow water of a small pond, 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
  CAS-BOT-BC85757  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park, Boiling Springs Lake 1798 Comment
  CAS-BOT-BC132242  Calochortus W. Harnach; N. Harnach 1990-6-13 364 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  JEPS105976  Calochortus coeruleus Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CHSC60162  Calochortus leichtlinii L. P. Janeway 1992-7-10 4259 Plumas Plumas National Forest. About 0.5 mi northeast of the top of Grizzly Ridge in upper drainage of Joseph Creek. 2090 Comment
  UC1134470  Calochortus leichtlinii G. T. Nordstrom 1934-7-3 184 Plumas 0.75 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar 1676 Comment
  UC917350  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak 1615 Comment
  SEINET8197334  Calochortus leichtlinii A. A. Heller, P. B. Kennedy 1907-7-4 8719 Plumas Ridge east of Red Clover Valley. Comment
  CAS-BOT-BC483481  Calochortus minimus E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CDA18491  Calochortus nudus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3363 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road. 1645 Comment
  CHSC2442  Calochortus nudus R. Carter 1965-7-6 268 Plumas Found 0.25 mi. S of intersection of Oroville-Quincy Rd. and U. S. F. S. road 24N33, on N side of Oroville-Quincy Rd. ca. 15' from road. 1767 Comment
  POM181943  Calochortus nudus J. G. Lemmon 1887-5-27 s.n. Plumas Mohawk Valley Comment
  UC1134504  Calochortus nudus Beryl O. Schreiber 1938-7-9 2519 Plumas 1.5 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  UC608577  Calochortus nudus Beryl O. Schreiber 1938-7-9 2519 Plumas 1.5 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CHSC87834  Calochortus tolmiei Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CHSC21083  Calyptridium monospermum F. T. Griggs; A. Pass 1975-7-2 53 Plumas Buck's Lake Forest Service Survery. 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
  OBI48881  Calyptridium monospermum Joseph Andorfer Ewan 1934-7-18 8577 Plumas Camp Caldwell at Dentens, Mohawk Valley 1615 Comment
  SBBG1924  Calyptridium umbellatum H. and M. Dearing 1939-5-9 3323 Plumas near Graeagle Comment
  UC485770  Calyptridium umbellatum H. E. and S. T. Parks June, 1928 225 Plumas Drakesbad, Lassen National Park Drakesbad; Lassen National Park, Drakesbad Comment
  SEINET196486  Calyptridium umbellatum J. M. Tucker 1948-7-25 1744 Plumas Above mine of United Mining Company Pinchard Cr SW side of Camel Peak Comment
  UC501531  Calyptridium umbellatum Frank W. Peirson 1926-6-21 6791 Plumas Lake Almanor, n shore Lake Almanor Comment
  UCD22671  Calyptridium umbellatum Andrea Alfaro 1990-5-12 9 Plumas Quincy quadrangle. On the side of a road. Comment
  CHSC97936  Calystegia occidentalis subsp. occidentalis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3284 Plumas 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  RSA508615  Camassia Mrs. R. M. Austin 1878-06 s.n. Plumas Big Meadows Comment
  SBBG30574  Camassia leichtlinii subsp. suksdorfii D. Myrick 1968-6-18 1937 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  UC1134557  Camassia quamash subsp. breviflora E. Sawyer 1935-6-27 180 Plumas 1.6 mi ene of Grizzley Peak (Plumas National Forest); Plumas National Forest 1767 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-BC160838  Camissonia tanacetifolia subsp. quadriperforata Alice Eastwood 1927-6-27 14873 Plumas Chilcott, United States Forest Reserve Comment
  SEINET10462882  Campanula prenanthoides Austin AUSTIN 546 Plumas HILLS SOUTH OF QUINCY Comment
  SEINET10463001  Campanula prenanthoides Howell 1959-9-26 Howell 35045 Plumas Near Keddie 1006 Comment
  SEINET10463049  Campanula prenanthoides Wheeler WHEELER s.n. Plumas CASCADE Comment
  SEINET10972396  Campanula prenanthoides Walter Knight, Irja Knight; John Thomas Howell 1966-7-26 Knight 1615 Plumas Along roadside near Fern Glen 1113 Comment
  CHSC51522  Cardamine cordifolia var. lyallii L. P. Janeway 1990-6-28 3743 Plumas Plumas National Forest. Upper Joseph Creek, on northeast side of Grizzly Ridge. At edge of creek at dirt road crossing. 2011 Comment
  CHSC85701  Cardamine nuttallii G. D. Barbe; T. C. Fuller 1982-6-16 3791 Plumas Plumas National Forest. Meadow below Mud Lake, 3/4 mi NE of Eisenheimer Peak. [Lat./long. on label is '40 10 N; 120 43 W']. 2097 Comment
  RSA0049676  Cardamine nuttallii Dean Wm. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca. 7.5 air miles ESE of Quincy 1430 Comment
  CHSC83649  Cardamine pachystigma John Dittes 2002-4-27 2 -50 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
  CAS-BOT-BC18348  Carex John Thomas Howell 1962-6-16 37642 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  CAS-BOT-BC18365  Carex John Thomas Howell; Gordon H. True 1973-7-31 50084 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak. 2194 Comment
  JEPS115889  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16140 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
  JEPS117695  Carex abrupta Lowell Ahart 2010-10-21 17304 Plumas On dry rocky soil, along a small wash, open dry meadow, about 80 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  CAS-BOT-BC18589  Carex abrupta L. P. Janeway 1990-7-2 3752 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. 1859 Comment
  CDA15914  Carex amplifolia B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  CHSC115511  Carex angustata Lowell Ahart; John Dittes, Josephina Guardino, Steve Green 2015-7-31 20423 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Service Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CHSC85979  Carex angustata L. P. Janeway 2003-7-19 7906 Plumas High Cascade Range. At eastern end of Willow Lake along the small stream channel draining the lake. 1655 Comment
  CHSC97254  Carex angustata Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14475 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS107598  Carex angustata Lowell Ahart, Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  SEINET7549687 Image available Carex angustata Unknown 2003-9-6 7978 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Red Cinder 7.5' quad. 2057 Comment
  UC1133353  Carex angustata E. Sawyer 1935-6-27 190 Plumas 1.6 mi ene Grizzly Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC17925  Carex angustata George Wilson Gillett 1957-7-19 850 Plumas Lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  CHSC77064  Carex athrostachya G. Douglas Barbe; T. C. Fuller 1982-6-14 3687 Plumas W end of Quincy, Hwy 70 and Lawrence St. at Chevron station. 1036 Comment
  SEINET7550691 Image available Carex athrostachya Unknown 2003-9-6 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Red Cinder 7.5' quad. 2057 Comment
  SEINET10466814  Carex athrostachya Lowell Ahart 1985-7-3 Ahart 5099 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CHSC100048  Carex aurea Lowell Ahart 2008-8-13 15176 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS115936  Carex bolanderi Lowell Ahart, John Dittes 2009-7-13 16031 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  SEINET191585  Carex bolanderi Lewis S. Rose 1939-6-8 39271 a Plumas S. end of Lake Almanor 1372 Comment
  CAS-BOT-BC19621  Carex brainerdii John Thomas Howell; Gordon H. True 1969-6-23 45806 Plumas Sierra Nevada. 2.6 miles north of Middle Fork of Feather River at Nelson Point. 1310 Comment
  CAS-BOT-BC19626  Carex brainerdii L. P. Janeway 1984-7-22 929 Plumas Summit above Lookout Rock, 1.5 mile northeast of Mt. Ararat. 1815 Comment
  CHSC94117  Carex brainerdii Lowell Ahart 2006-7-3 12901 Plumas Near the southwest edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  RSA212173  Carex brainerdii L. S. Rose 1969-6-23 69043 Plumas 8 miles SW of Quincy, La Porte Road. 1311 Comment
  CAS-BOT-BC19629  Carex brainerdii L. P. Janeway; Gary Benson; Leigh Wingett 1985-7-10 1207 Plumas Along the Hungry Creek Road ca. 0.5 mile north of the Antelope Res. Road. 1554 Comment
  SEINET7552663 Image available Carex brainerdii David Castaner 1989-6-18 10222 Plumas West of Lake Almano. Along highway 89. Two miles east of Tehama county line Comment
  CHSC112384  Carex cusickii L. P. Janeway 2014-7-16 11547 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  CHSC78723  Carex cusickii L. P. Janeway 2000-7-7 6881 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
  CHSC43568  Carex diandra Lowell Ahart 1980-10-6 2671 Plumas On the south shore of the small lake, about 1/2 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1615 Comment
  RSA726358  Carex douglasii L. Ahart, John Dittes 2007-6-16 14134 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CAS-BOT-BC20084  Carex echinata Walter Knight; Irja Knight 1966-6-18 1631 Plumas Butterfly Botanical Area and Vicinity. Area adjacent to Pond Reservoir. 1097 Comment
  CAS-BOT-BC20087  Carex echinata F. Thos. Griggs 1975-1-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  CHSC102038  Carex feta Lowell Ahart; John Dittes 2009-7-27 16186 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS63723  Carex feta W. L. Jepson 1910-6-16 4140 Plumas Quincy American Valley, Quincy 1036 Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  JEPS101244  Carex fracta Dean W. Taylor 2000-8-8 17557 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS95360  Carex fracta Lowell Ahart 1994-6-17 7349 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  POM81197  Carex fracta Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  CAS-BOT-BC32026  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Mt. Ingalls quad, NE side of Grizzly Ridge between Joseph Creek and Cascade Creek, 1897 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
  JEPS120104  Carex hassei Lowell Ahart 2012-7-1 18263 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. Comment
  UCD140424  Carex heteroneura G. F. Hrusa; T. D. Wilfred 1996-8-1 13452 Plumas Brady's Camp. Pine Creek Valley, ca. 1/2 mile NE Argentine Rock. Comment
  CAS-BOT-BC21968  Carex heteroneura L. P. Janeway 1991-8-3 4112 Plumas Northeasterly drainage into Freeman Creek 2 miles west of Smith Peak and below Five Points. 1981 Comment
  CHSC55437  Carex heteroneura var. heteroneura L. P. Janeway 1990-7-18 3806 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  JEPS95636  Carex heteroneura var. heteroneura Lowell Ahart 1994-7-22 7500 Plumas on S side of the Pacific Crest Trail, about 1/2 mi E of Mount Etna 1981 Comment
  CHSC60197  Carex hoodii L. P. Janeway; Garrett Gibson 1992-6-16 4240 Plumas Plumas National Forest. About 0.5 mi northeast of Carman Saddle, 1.5 mi west of Beckwourth Peak, and 2.3 mi south of Portola. 1706 Comment
  JEPS117645  Carex hoodii Lowell Ahart 2010-7-27 16930 Plumas North road bank of Forest Road 22N68, 150 yards west of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir 1575 Comment
  CAS-BOT-BC28080  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Portola quad, ca 0.5 mi NE of Carman Saddle, 1.5 mi W of Beckwourth Peak, 1706 Comment
  CAS-BOT-BC31149  Carex lemmonii Walter Knight; Irja Knight 1966-6-18 1346 Plumas Butterfly Valley. 1097 Comment
  CDA17263  Carex lemmonii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16290 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  JEPS100356  Carex lemmonii Dean W. Taylor 2001-6-6 17782 Plumas headwaters Onion Creek about 0.25 air miles SW of American House, along Forest Road 21N01Y 1432 Comment
  SJSU4627  Carex lemmonii C. W. Sharsmith 1969-6-19 7598 Plumas Butterfly Valley, c. 3 mi SW of Keddie 1066 Comment
  UCD140472  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park, Drakesbad. Near Soda Spring. 1676 Comment
  CHSC73450  Carex lenticularis var. lipocarpa B. Castro; L. Gehrung 1995-9-19 652 Plumas Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow, in SE and NW portions of meadow. 1706 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-BC31520  Carex limosa V. Oswald; Lowell Ahart 1988-8-4 3678 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park 1676 Comment
  SEINET10711246  Carex mariposana John Thomas Howell 1981-6-25 Howell 54343 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CHSC68377  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CAS-BOT-BC32029  Carex multicaulis H. A. Thomas 1936-5-25 47 Plumas Along Bear Creek Road, SE of Camp (ca 1/4 mi) 1219 Comment
  CHSC47005  Carex nebrascensis L. P. Janeway 1989-7-20 3507 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  CHSC116389  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-12 70 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  CHSC116390  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-13 76 Plumas Plumas National Forest. Line Springs. From Silver Lake parking area, follow trail up Granite Gap to Pacific Crest Trail. Follow trail north approx. 1.5 km, then bushwack west for approximately 0.5 km. UTM zone 10, 4423596 N, 657038E. 2028 Comment
  UC1100501  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1457 Plumas se side Portola Comment
  CDA33122  Carex nudata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3313 Plumas 2.8 miles north-northeast of the Engle Mine town-site on the Diamond Mountain Road, between the road and Lights Creek. Comment
  CHSC115872  Carex pachycarpa Peter F. Zika 2013-6-28 26288 Plumas Near trailhead to Frazier Falls, FS Road 501, 4.2 road miles S of junction with Route 24, 2.0 air km WNW of Mills Peak; northern High Sierra Nevada. 1885 Comment
  CHSC48074  Carex pachystachya L. P. Janeway 1989-6-16 3333 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CAS-BOT-BC119186  Carex pachystachya John Thomas Howell 1960-7-21 35729 A Plumas Moist meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC119192  Carex pachystachya L. P. Janeway 1989-6-16 3333 Plumas Grizzly Valley quad, West end of Grizzly Valley. 1783 Comment
  CHSC112125  Carex pellita L. P. Janeway 2014-7-16 11548 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  SEINET10818096  Carex rostrata Mary Susan Taylor 1982-7-12 Taylor 4819 Plumas T23N R11E sw1/4 sec 21. Blue Nose Mt quad. Abundant in wet montane meadow in McRae Meadow, ca. 6 mi w of Mohawk. With Trifolium repens, Geum macrophyllum. 1890 Comment
  SEINET10839857  Carex rostrata Lowell Ahart 1985-7-11 Ahart 5124 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
  SBBG126104  Carex scabriuscula L. Ahart 2012-6-1 18262 Plumas E side of dirt rd to large pipe, ca 0.25 mi E of Caribou Rd, ca 3.5 mi NE of Belden 807 Comment
  CAS-BOT-BC28306  Carex scopulorum var. bracteosa Thomas Griggs 1975-6-1 315 Plumas Bucks Lake area. Comment
  UCD140819  Carex sheldonii L. P. Janeway 1997-5-28 5134 Plumas 1.3 miles west-northwest of Blairsden; between Little Bear Road and Middle Fork Feather River. 1316 Comment
  JEPS49038  Carex spectabilis Leland S. Smith 1927-8-10 2191 Plumas Gold Lake, Tahoe National Forest 2133 Comment
  SEINET7576277 Image available Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy. 1036 Comment
  CHSC53548  Carex stipata var. stipata Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  CAS-BOT-BC114991  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54344 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road. 1341 Comment
  CAS-BOT-BC114994  Carex subfusca John Thomas Howell 1962-6-18 37752 Plumas Sierra Valley near Beckwourth. 1487 Comment
  CHSC92206  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12273 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC92308  Carex subfusca Lowell Ahart; John Dittes 2005-9-19 12379 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  CHSC94144  Carex subfusca Lowell Ahart 2006-7-9 12923 Plumas Small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  UC1778649  Carex subfusca G. Douglas Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3320 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CAS-BOT-BC115983  Carex subfusca L. P. Janeway 1990-7-2 3751 Plumas About 100 ft west of Paradise Cr and ca 1/2 mi S of Little Grizzly Cr. Mt. Ingalls quad. 1859 Comment
  RSA97965  Carex subfusca J. T. Howell 1951-6-27 27600 Plumas McRae Meadow. 1982 Comment
  SEINET10750067  Carex subfusca Lawrence P. Janeway, James Battagin; Rob Russell Janeway 4490 Plumas Mt. Ingalls quad. T24N, R12E, NE1/4 of SW1/4 of sec. 7. Along Dolly Creek at upper portion of the Walker Mine tailings. Very open, in white fir dominated mixed conifer forest with lodgepole pine. With Scirpus microcarpus, etc. Comment
  SEINET10946214  Carex subfusca Lawrence P. Janeway 1989-6-22 Janeway 3368 Plumas Crocker Mtn, Quad, T24N, R14E, corner of Secs. 28, 29, 32, 33. Slopes between Crocker Mtn and Crocker Meadow, near rd 24N49Y. 1804 Comment
  SEINET7577187 Image available Carex subfusca John Thomas Howell, T. C. Fuller; G. D. Barbe 1981-6-26 54371 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy. 1600 Comment
  JEPS107717  Carex utriculata Lowell Ahart, John Dittes 2005-9-20 12446 Plumas In the center of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  JEPS123949  Carex utriculata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20424 Plumas On the northwest side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC115404  Carex utriculata Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1410 Plumas Abundant around Pond reservoir. 1097 Comment
  CAS-BOT-BC115418  Carex utriculata George Wilson Gillett 1957-1-1 837 Plumas Willow Lake. Marsh at N end of Lake. 1661 Comment
  CHSC78731  Carex vesicaria L. P. Janeway 2000-7-7 6898 Plumas Northern High Sierra Nevada. Marsh on west side of Smith Lake - enlarged by beaver activity. 1247 Comment
  POM81231  Carex vesicaria Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC114935  Carex whitneyi John Thomas Howell 1951-6-27 27567 Plumas Johnsonville 1584 Comment
  CHSC105839  Carex whitneyi Lowell Ahart 2010-7-27 16929 Plumas About 150 yards west of the South Fork of the Feather River, west 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. 1575 Comment
  CHSC55450  Carex whitneyi L. P. Janeway 1990-7-18 3804 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  CHSC65603  Carex whitneyi L. P. Janeway 1995-8-24 4901 Plumas Top of ridge, divide between Willow Creek and Freeman Creek; about 1.3 mi west-southwest of Smith Peak. 2042 Comment
  CHSC87129  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  UCD140982  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CDA33170  Carex whitneyi J. T. Howell 1977-6-2 52407 Plumas Sierra Nevada; Below the high water line on the peninsula of Lake Almanor. Comment
  RSA604697  Castanopsis sempervirens Louis C. Wheeler 1952-9-24 6959 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  SEINET3143331  Castanopsis sempervirens E. K. Balls 1950-9-12 15791 Plumas 1.2 mi along trail from Lakes Center Public Campground to Long Lake Outlet 2042 Comment
  CAS-BOT-BC249012  Castilleja F. Thos. Griggs 1975-1-1 308 Plumas Bucks Lake area Comment
  UCD147801  Castilleja applegatei Allyson Ayalon; Lucie Jerabkova 2012-8-1 154 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC249720  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-7 1636 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake 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-BC249752  Castilleja applegatei subsp. pinetorum Mary E. Wall 1939-6-25 s.n. Plumas Brush Cr. ranger station Comment
  CHSC37704  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-9-1 5086 Plumas Red Rock Lookout, ca. 15 mi ne of Taylorsville. 2316 Comment
  JEPS81445  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-5-25 4538 Plumas ca 2 air mi sw Sloat (4.4 mi w of Lee Summit, s side Fells Creek Rd (23N22)); Spring Garden Quad. 1310 Comment
  RSA101415  Castilleja arachnoidea R. Weatherby 1955-7-26 1659 Plumas Near Spanish Peak Lookout. 2165 Comment
  JEPS62839  Castilleja campestris subsp. campestris John Weiler 1970-7-2 70178 Plumas 5.8 mi n Highway 49 (w of Loyalton, along Harriet Lane) 1524 Comment
  JEPS74945  Castilleja campestris subsp. campestris T. I. and F. M. Chuang 1975-7-24 7558 Plumas ca 6 mi nw Loyalton (along Harriet Lane, 4.3 mi n Harriet Lane junction with Route 49) 1463 Comment
  SD46676  Castilleja lemmonii Robert J. Weatherby 1955-7-26 1663 Plumas Upper end of Three Lakes trail, near Spanish Peak 2073 Comment
  CAS-BOT-BC254060  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-9 8788 Plumas Prattville Comment
  CHSC34072  Castilleja miniata M. S. Taylor 1981-7-17 4023 Plumas Within 1/4 mi of Bear Lakes trailhead, Riparian Woodland, Lakes Basin, ca. 6 air mi s of Mohawk. 1950 Comment
  SEINET10832395  Castilleja miniata Mary Susan Taylor 1981-8-20 Taylor 4231 Plumas California: T27N R8E sw1/4 of sw1/4 sec 36. Almanor NE quad. S side of Fox Road (27N92) at jct with creek, ca. 2 mi SE of Canyon Dam. Plumas County. 5000 ft. 1524 Comment
  JEPS88489  Castilleja miniata subsp. miniata Vernon H. Oswald and Lowell Ahart 1996-8-1 8141 Plumas ca 1.5 mi nw Hauns Mdw. (Forest Rd 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); Dyer Mtn. 1706 Comment
  CHSC43554  Castilleja pilosa Lowell Ahart 1975-7-9 862 Plumas About 1/2 mile south of Onion Valley. about 1 mile west of Pilot Peak. 1981 Comment
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Dec 16 2014
  UC1012467  Castilleja pilosa Francis W. Pennell 1940-6-12 25820 Plumas 5 mi s Beckwourth; Sierra Valley 1493 Comment
  JEPS113657  Castilleja tenuis Lowell Ahart, John Dittes 2007-6-16 14127 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
  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
  SEINET14173276  Castilleja tenuis W. Harnach, N. Harnach 1989-6-17 145 Plumas Sierra Valley, Marble Lane, E end of Carmicheals pond (ca 0.3 mile E of Steel Bridge). 1487 Comment
  CAS-BOT-BC47969  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54375 Plumas Sierra Nevada - 0.75 miles northeast of Buck's Summiet on road to Quincy 1600 Comment
  HSC101673  Ceanothus arcuatus Dillon North Davis 2013-7-1 32 Plumas 5.1 miles south on FS Road 25N17 from intersection with Highway 70, ~200 m west of road. 1519 Comment
  SBBG120146  Ceanothus arcuatus L. P. Janeway 2007-5-20 8994 Plumas USFS Rd 25N17 above Bean Crk, 1.1 km N of confluence at Spanish Crk; 0.5 km NW of Bean Hill 1405 Comment
  CHSC46502  Ceanothus cordulatus Lowell Ahart 1974-8-15 607 Plumas Along the road near White Cap, about 10 miles south of Slote. 1676 Comment
  UCD150784  Ceanothus cuneatus J. Bisbee 2013-5-30 585 Plumas Plumas County, Summit of Red Hill. Near Communications Towers. 1890 Comment
  CHSC70040  Ceanothus cuneatus var. cuneatus L. P. Janeway 1997-5-15 5133 Plumas Hwy 70/89 at Rattlesnake Creek. 1310 Comment
  CAS-BOT-BC50728  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2152 Plumas Butterfly Botanical Area and Vicinity - Beargrass Glade 1127 Comment
  SBBG32358  Ceanothus integerrimus L. S. Rose 1967-7-10 Plumas Butterfly Valley, 3 mi W of Keddie 1097 Comment
  SEINET7720974  Ceanothus integerrimus Unknown 1876-1 Plumas American Valley Comment
  SEINET10837533  Ceanothus integerrimus var. californicus Mary Susan Taylor 1982-5-23 Taylor 4508 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CAS-BOT-BC51042  Ceanothus integerrimus var. macrothyrsus Anna Head 1920-6-10 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  RSA60128  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-4 15671 Plumas 2 miles from Feather River Ezperiment Station, Quincy, on roa to Snake Lake. 1159 Comment
  RSA60215  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-6 15690 Plumas 0.6 miles W of Spring Garden, betw Quincy and Portola, Hwy 24. 1220 Comment
  CAS-BOT-BC52061  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak Comment
  CAS-BOT-BC63327  Ceanothus prostratus Clarence R. Quick 1934-7-4 1350 Plumas Headwaters of Clear Creek, Plumas National Forest. Comment
  CAS-BOT-BC63373  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  SD7228  Ceanothus prostratus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  SD7230  Ceanothus prostratus Mrs. R. Austin 1879-1 Plumas Big Meadows Comment
  SEINET12210609  Ceanothus prostratus Unknown 1972-1 1 Plumas ca 5 yds. off the s side of Forbestown Road, 7.5 mi from La Porte Comment
  SEINET5743570 Image available Ceanothus prostratus Dean Ahrenholz 1964-1 13 Plumas Near State Hwy 89, ca. 2 miles W of Greenville.; Greenville Comment
  SBBG33989  Ceanothus prostratus var. prostratus L. S. Rose 1969-6-24 Plumas 5 mi W of Keddie, Butterfly Valley 1036 Comment
  SEINET3162966  Ceanothus velutinus E. K. Balls 1950-9-14 15817 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  CHSC96847  Ceanothus velutinus var. velutinus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14051 Plumas Steep north slope, about 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC90940  Cerastium arvense Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11751 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area. 484 Comment
  CAS-BOT-BC276727  Chaenactis douglasii var. douglasii John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2174 Plumas Butterfly Botanical Area and Vicinity, mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC276736  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-15 14615 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC89471  Chaenactis douglasii var. douglasii Jenny Marr 1994-7-11 202 Plumas Located in the Quincy District of the Plumas National Forest, SE of North Fork Campground. 1005 Comment
  RSA792297  Chaenactis douglasii var. douglasii Rebecca Wenk 2009-7-13 1117 Plumas Plumas National Forest, Frenchman Lake, Little Last Chance Creek Road, 1.2 air miles west northwest of reservoir dam. 1750 Comment
  CHSC64835  Chamaesaracha nana Vernon H. Oswald 1995-6-24 6915 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Roadside bank on the edge of a meadow on the e side of the road. 1371 Comment
  JEPS113640  Chamaesaracha nana Lowell Ahart, John Dittes 2007-6-16 14135 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC54398  Chamaesyce maculata Vernon H. Oswald 1991-6-12 4661 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  CAS-BOT-BC166082  Chamerion angustifolium subsp. circumvagum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2364 Plumas Along edge of Spanish Creek near confluence of Butterfly Creek. Butterfly Botanical Area Comment
  POM121004  Cheilanthes gracillima R. M. Austin 1876-1 s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC70199  Cheilanthes gracillima George W. Gillett; H. Leschke 1957-7-13 764 Plumas below Sifford Lakes, on direct route to the Devils Kitchen 2057 Comment
  SEINET10529940  Cheilanthes siliquosa Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4473 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  CAS-BOT-BC460981  Chenopodium atrovirens John Thomas Howell 1960-7-19 35658 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  RSA724942  Chenopodium pumilio L. Ahart 2006-10-8 13413 Plumas On east bank of Chips Creek, SE of the bridge of Hwy 70, on the N side of the North Fork of the Feather River, about 1.25 miles SW of Belden. 715 Comment
  RSA88585  Chenopodium pumilio J. T. Howell 1951-8-19 28183 Plumas Greenville. 1098 Comment
  SEINET10937632  Chenopodium pumilio Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5188 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
  CHSC117554  Chimaphila menziesii Lowell Ahart 2016-7-9 21096 Plumas 10 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  CHSC21803  Chimaphila umbellata F. T. Griggs; A. Pass 1975-8-1 Plumas Bucks Lake Forest Service Survey. Comment
  JEPS87860  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  CAS-BOT-BC452235  Chimaphila umbellata L. P. Janeway 1990-9-27 3852 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. About halfway between Cascade Cr. and Emigrant Cr, and about 1/3 mi. S of Little Grizzly Cr. 1859 Comment
  CHSC23623  Chrysanthemum coronarium K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  UCR88746  Chrysopsis villosa J. T. Howell 1977-8-11 52670 Plumas Canyon of Little Last Chance Creek, between Chilcoot & Frenchmans Reservoir 1677 Comment
  SEINET10475062  Chrysothamnus nauseosus Mary Susan Taylor 1981-8-19 Taylor 4225 Plumas California: T23N R12E se 1/4 of sw 1/4 sec 14. Blue Nose Mt quad. S side of 23N10, 0.5 mi E of its jct with spur road 23N10G, ca. 5 air mi W of Sloat. Plumas County. 5300 ft. 1615 Comment
  RSA300576  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-13 3862 Plumas 0.5 miles from Hwy. 89 along Gold Lake Road, S of Graegle Comment
  RSA718506  Chrysothamnus nauseosus subsp. albicaulis 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
  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
  SBBG115945  Chylismia claviformis J. McCaskill 1960-1 465 Plumas Lake Almanor region Comment
  CAS-BOT-BC279838  Cichorium intybus John Thomas Howell 1959-9-24 34910 Plumas Crescent Mills 1066 Comment
  RSA52865  Circaea alpina subsp. pacifica R. Weatherby 1950-7-7 1451 Plumas Gansner Creek, Quincy. 1220 Comment
  RSA0070846  Cirsium andersonii L. Ahart, John Dittes 2005-9-20 12432 Plumas NW side of Mud Lake, about 0.5 mile NE of Eisenheimer Peak, about 0.75 mile south of Wilcox Valley. 2030 Comment
  SEINET10904931  Cirsium andersonii Mary Susan Taylor 1981-7-21 Taylor 4095 Plumas T25N R11E sw/ne sec 31, Spring Garden quad. In Red Fir Forest disturbed areas, ca. 1/8 mi E of 25N18, ca. 1 mi SE of Taylor Rock, ca. 7 air mi N of Spring Garden. 6600 ft. 2011 Comment
  CHSC34930  Cirsium arvense M. S. Taylor 1981-7-29 4143 Plumas Rd embankment, e side of 25N42-Flournoy Grade, 1.5 mi s of Flournoy Bridge, ca. 3 air mi e of Genesee. 1402 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
  CAS-BOT-BC278029  Cirsium cymosum M. S. Taylor 1982-6-28 4773 A Plumas Ramelli Ranch, near jct of Calpine Rd and Hwy 70, ca. 1 mi w of Beckwourth 1463 Comment
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC280430  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Rd., just N/county line, ca. 7.3 mi S/Vinton Comment
  CAS-BOT-BC286363  Cirsium scariosum H. E. Brown 1897-8-1 623 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC286445  Cirsium scariosum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54333 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CAS-BOT-BC286453  Cirsium scariosum John Thomas Howell 1960-7-24 35982 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC97525  Cirsium scariosum Lowell Ahart; John Dittes 2007-6-16 14117 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS113608  Cirsium scariosum Lowell Ahart, John Dittes 2007-6-16 14117 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CDA18940  Cirsium scariosum var. americanum B. Villegas 1999-7-8 990111 Plumas Sierra Nevada; Crystal Point, Frenchman's Lake, 13 mi NE of Chilcoot and Hwy 70. 1706 Comment
  CAS-BOT-BC285837  Cirsium vulgare John Thomas Howell 1960-7-20 35711 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA59828  Cirsium vulgare E. K. Balls 1950-9-15 15845 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  RSA59113  Cirsium vulgare E. K. Balls 1950-8-30 15517 Plumas Just west of Feather River Experiment Station. 4 miles north of Quincy. 1067 Comment
  CAS-BOT-BC228907  Cistanthe umbellata A. A. Heller 1915-7-7 12062 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC162583  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54256 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1798 Comment
  CAS-BOT-BC163170  Clarkia lassenensis R. W. Thorp 1963-7-2 63 -52 Plumas 23 miles southeast of Quincy Comment
  CHSC71155  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4694 Plumas Southeast side of Little Bear Gulch; along Road 22N30 0.25 mi west of Sky High Road (Road 22N29). Road cutbank. 1447 Comment
  CHSC82533  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7267 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CHSC89901  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Above a trail. 1524 Comment
  CAS-BOT-BC163279  Clarkia mildrediae subsp. mildrediae F. Thos. Griggs 1975-1-1 170 Plumas Bucks Lake area 1524 Comment
  JEPS109833  Clarkia mildrediae subsp. mildrediae Dean W. Taylor 2004-7-22 19206 Plumas Four Trees Road (Forest Road 23N00) ca. 1.8 mile West of Four Trees 1463 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
  CAS-BOT-BC164927  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  HSC93326  Clarkia rhomboidea Vernon H. Oswald, L. Ahart 1996-7-15 8019 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  SD7349  Clarkia rhomboidea Mrs. R. M. Austin 1882-1 Plumas Comment
  CHSC101773  Clarkia stellata Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15865 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  NY1085602  Clarkia stellata A. A. Heller 1907-7-9 8778 Plumas Prattville Comment
  RSA0059949  Clarkia stellata G. Fred Hrusa 1997-5-30 13840 Plumas Sierra Nevada: 2.5 miles east of Spring Garden on Highway 70, and 0.5 mile south of Estray Creek 1540 Comment
  UC1586083  Clarkia stellata Barbara Ertter with Gary Schoolcraft 1989-7-3 8638 Plumas ca. 10 airmiles s. Susanville (rd. to Lone Rock & Red Rock on s. side of Diamond Mt., neaar Morton Creek crossing); Diamond Mt. 1828 Comment
  CAS-BOT-BC32904  Clarkia stellata Theodore Mosquin 1959-7-2 3332 Plumas Humbug Road, 1.2 miles W of its junction with Humboldt Road, W of Lake Almanor Comment
  RSA101475  Clarkia stellata R. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station, USFS 1067 Comment
  SEINET4149817  Clarkia stellata A. A. Heller, P. B. Kennedy 1907-7-9 8813 Plumas Prattville Comment
  UCD23349  Clarkia stellata E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CHSC72454  Clarkia unguiculata L. P. Janeway 1998-7-1 5693 Plumas East side of North Fork Feather River and Hwy 70, 0.4 mi south of Tobin. West-facing slope above the road. 579 Comment
  SEINET10572751  Claytonia Mary Susan Taylor 1981-5-10 Taylor 3678 Plumas T27N R13E nw/sw sec 19. Antelope Lake quad. E side of Antelope Lake, in and around large wet Pioneer Meadow, ca. 20 air mi ne of Taylorsville. 5040 ft. 1536 Comment
  SEINET10572684  Claytonia heterophylla Mary Susan Taylor 1982-8-9 Taylor 4948 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CAS-BOT-BC451744  Claytonia lanceolata Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  LA207492  Claytonia lanceolata Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA0080492  Claytonia lanceolata R. Weatherby 1955-6-22 1537 Plumas Common in damp meadow just below Spanish Peak. 2134 Comment
  UC175826  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas near Marston Station 1066 Comment
  CAS-BOT-BC439875  Claytonia perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1862 Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir. 1097 Comment
  CAS-BOT-BC443635  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1963-6-3 63110 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC443797  Claytonia rubra subsp. rubra A. A. Heller 1913-6-13 10845 Plumas Near Marston Station 1066 Comment
  JEPS87647  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  POM147052  Collinsia parviflora Alice Eastwood 1927-06 14920 Plumas On road from Chilcott, United States Forest Reserve Comment
  CHSC87626  Collinsia rattanii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10956 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  CDA11854  Collinsia tinctoria G. F. Hrusa, E. Sandoval 1993-5-29 11134 Plumas Corner of Hwy 70 and Pulga Rd. at bridge over Feather River. Comment
  UC586856  Collinsia torreyi var. torreyi Joseph Andorfer Ewan 1934-6-25 8225 Plumas Gold Lake Road above Dentons (Blairsden) Blairsden; Gold Lake Road above Dentons (Blairsden) 1676 Comment
  UC1026457  Collinsia torreyi var. wrightii John Thomas Howell 1951-6-28 27703 Plumas Eureka Peak 2255 Comment
  CHSC20854  Collomia grandiflora K. R. Stern 1975-7-24 5810 Plumas SE shore of Lake Almanor. 1371 Comment
  CHSC44311  Collomia grandiflora Lowell Ahart 1979-7-18 1991 Plumas Along Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  JEPS123999  Collomia grandiflora Lowell Ahart 2015-7-4 20284 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
  CDA40000  Collomia grandiflora H. S. Schierenberg 1951-7-27 s.n. Plumas Chester. 0 Comment
  SD7680  Collomia linearis R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS64325  Corallorhiza maculata W. I. Follett 1933-7-18 2 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  RSA101458  Corallorhiza maculata R. Weatherby 1955-7-2 1580 Plumas Wilcox Valley 1921 Comment
  UCD138909  Corallorhiza maculata Jon Balderston 1980-5-19 10 Plumas east end of Snake Lake, west of Quincy. Comment
  JEPS48639  Corallorhiza striata Esther C. Fritz 1933-6-27 Plumas Camp Califorest; woods w of faculty tent, near Schneider Falls trail 1188 Comment
  CDA12111  Corallorhiza trifida G. F. Hrusa, J. Dinsdale 1989-6-27 7259 Plumas Sierra Nevada; N shore of Bucks Lake W of Quincy. Comment
  CAS-BOT-BC237930  Cordylanthus Clare B. Hardham 1986-8-9 30405 Plumas Sierra Nevada Mountains. Meadow Valley - Virgilia Road 1310 Comment
  CHSC79827  Cordylanthus tenuis subsp. tenuis G. F. Hrusa; T. D. Wilfred 1996-7-23 13396 Plumas Plumas National Forest. On NW side of Little Long Valley Creek. approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. 1750 Comment
  RSA246643  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42353 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  RSA755683  Cordylanthus tenuis subsp. tenuis L. Ahart, John Dittes 2009-7-15 16089 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  RSA0084760  Cordylanthus tenuis subsp. viscidus L. P. Janeway 2007-8-13 9177 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  CAS-BOT-BC209431  Cornus nuttallii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1569 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  CAS-BOT-BC209434  Cornus nuttallii Alice Eastwood 1927-6-12 14487 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  RSA563256  Cornus nuttallii Walter Knight, Irja Knight, John Thomas Howell, B. K. Knight 1966-7-26 1569 Plumas Fern Glen. 1113 Comment
  CAS-BOT-BC210319  Cornus sericea John Thomas Howell 1976-7-15 51858 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CHSC21556  Cornus sericea subsp. sericea D. E. Brink Jr.; L. M. Mayer 1975-7-2 Plumas Bucks Lake Floristic Survey. Comment
  CHSC93040  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 'Rock Creek Crossing.' Along borders of bouldery streambed. 1204 Comment
  JEPS108581  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 ''Rock Creek Crossing.'' Along borders of bouldery streambed 1204 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-BC290442  Crepis acuminata Clare B. Hardham 1978-8-11 21770 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC39362  Crepis acuminata L. Ahart; P. Ahart 1983-8-17 4332 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  OBI16626  Crepis acuminata Lewis S. Rose 1967-7-10 67146 Plumas 1 mi S of Keddie. Butterfly Crk and Spanish Crk 884 Comment
  UC346532  Crepis capillaris E. B. Babcock and M. Navashin 1928-6-26 138 b Plumas Meadow Valley 1158 Comment
  CHSC91772  Crepis intermedia G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16342 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA726369  Crepis intermedia L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  UC346561  Crepis intermedia E. B. Babcock 1928-6-15 156 Plumas Feather River Inn golf course; near hwy Comment
  CAS-BOT-BC376545  Crepis monticola Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  JEPS113555  Crepis monticola Lowell Ahart, John Dittes 2007-6-17 14193 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC290782  Crepis occidentalis subsp. occidentalis L. W. Swift 1934-5-18 117 Plumas Sugar Loaf near Meadow View 1889 Comment
  UCD150229  Crepis pleurocarpa G. Ledyard Stebbins 1986-6-29 C 615 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  CHSC40751  Cryptantha affinis Lowell Ahart 1985-7-11 5144 Plumas Little Grass Valley Reservoir, where Spanish Ravine flows into the lake, south-west of Black Rock Creek, about 4 miles north-west of La Porte. 1584 Comment
  JEPS113542  Cryptantha affinis Lowell Ahart, Josephine Guardino 2007-7-21 14374 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  SBBG21892  Cryptantha affinis D. Myrick 1964-7-21 888 Plumas near trail parking area, Drakesbad 1737 Comment
  SEINET10902871  Cryptantha echinella Mary Susan Taylor 1982-8-5 Taylor 4929 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  JEPS98964  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UCD107937  Cryptantha simulans Tim Kuhn 2006-6-13 52 Plumas south of Frenchman Lake. Comment
  CDA41487  Cryptantha torreyana B. A. Smith, G. F. Hrusa 1996-7-15 s.n. Plumas Sierra Nevada; near summit of hill on E side of Rattlesnake Creek, 1/2 mi. S of Hwy 70, and approx. 15 mi. E of Quincy. 1584 Comment
  CHSC37695  Cryptantha torreyana M. S. Taylor 1982-9-8 5116 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  RSA35103  Cryptantha torreyana Thomas H. Kearney 117 Plumas Near Prattville, Lake Almanor Comment
  CDA18483  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3234 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  SEINET10870093  Cryptantha torreyana Mary Susan Taylor 1982-9-8 Taylor 5116 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC97551  Cryptantha watsonii Lowell Ahart; John Dittes 2007-6-17 14197 Plumas Gravel bar 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-BC70457  Cryptogramma acrostichoides Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  RSA716416  Cryptogramma acrostichoides L. Ahart 2005-9-19 12373 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  CAS-BOT-BC70454  Cryptogramma acrostichoides Lowell Ahart 1980-9-17 2649 Plumas 1/2 mile west of Fowler Pk. 1800 Comment
  CAS-BOT-BC80530  Cupressus bakeri C. R. Quick; R. F. Wilcox 1962-10-1 62 -2 Plumas About 3/4 mile NE of Eisenheimer Peak, near east side of Mud Lake, extending northward down slope toward Wilcox Valley 2042 Comment
  CHSC33924  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas N and NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  RSA201283A  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  CDA41303  Cuscuta californica G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3376 Plumas S end of Walker Plains, 0.4 mile northwest of Buckeye. 1524 Comment
  RSA795632  Cuscuta subinclusa L. Ahart 2011-9-17 17677 Plumas West side of Lumpkin Ridge Road, about 2 air miles west of Little Grass Valley Reservoir Dam. 1688 Comment
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  SEINET10467144  Cyperus aristatus Mary Susan Taylor 1982-9-13 Taylor 5138 A Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC113877  Cyperus niger var. capitatus Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass Comment
  CHSC117631  Cyperus squarrosus Lowell Ahart 2016-8-30 21329 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  SEINET9153731  Cyperus squarrosus W. Harnach, N. Harnach 2000-8-2 969 Plumas Sierra Valley, 1.5 miles south of HWY 70 on A-23, 0.25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  UC1100556  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1388 Plumas just s. Chester (Last Chances Marshes at n. end of Lake Almanor); Lake Almanor, Last Chances Marshes Comment
  UCD141153  Cyperus strigosus John Thomas Howell 1959-9-26 35080 Plumas Storrie. 548 Comment
  CHSC2340  Cypripedium montanum V. Holt 1931-5-17 Plumas Near Quincy. ... Field redacted by CHSC, contact the data manager for more information 1036 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
  CHSC84994  Cystopteris fragilis Lowell Ahart 2003-10-17 10652 Plumas Cliffs north of Humboldt Peak, on the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2042 Comment
  UCSB46169  Dactylis glomerata Reisentz, Paul 1979-5-12 Plumas 1.0 mi W on North Fork Camp Road from Hwy 70; 2 mi N of Beldon Comment
  CAS-BOT-BC189662  Danthonia californica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1371 Comment
  CHSC110449  Danthonia californica var. americana L. P. Janeway 2013-7-15 11184 Plumas Northern High Sierra Nevada. Plumas National Forest: south side of Tamarack Flat close to Road 22N04. 1714 Comment
  JEPS115890  Danthonia californica var. americana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16159 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  UC718005  Danthonia californica var. americana David D. Keck 1944-7-8 5440 Plumas Lake Almanor; s end, e side of dam 1341 Comment
  UCD61021  Danthonia californica var. americana G. L. Stebbins Jr. 1939-7-6 2895 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CHSC82456  Danthonia californica var. californica Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9818 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
  UCD61323  Danthonia unispicata P. B. Kennedy; A. A. Heller 1907-7-3 8705 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC76205  Darlingtonia californica Paul F. Covel 1937-7-20 786 b Plumas Approximately 6 miles north Quincy. Comment
  CAS-BOT-BC76210  Darlingtonia californica J. W. Congdon 1893-6-1 s.n. Plumas Near Quincy. Comment
  CDA25338  Darlingtonia californica G. D. Barbe 1977-8-16 2328 Plumas 0.6 mile west of road to Twain, 0.6 mile west of end of pavement; Butterfly Valley. 0 Comment
  CHSC37008  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PGE wire between dirt rd and Feather River, ... Field redacted by CHSC, contact the data manager for more information 853 Comment
  CAS-BOT-BC175854  Delphinium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54391 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  RSA39893  Delphinium andersonii P. A. Munz 1947-5-16 11836 Plumas 8 miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC8919  Delphinium depauperatum John Thomas Howell; Gordon H. True 1967-7-11 43326 Plumas about 3 miles southeast of Mt. Hough 1706 Comment
  RSA101464  Delphinium depauperatum R. Weatherby 1955-7-2 1574 Plumas Creek below Bear Ridge. 1982 Comment
  CHSC110283  Delphinium nudicaule B. Castro 2006-6-8 1576 Plumas Northern High Sierra Nevada. N-facing slopes overlooking S edge of Red Clover Valley, 1 air mi N of Bagley Pass and 1 rd mi S of the Beckwourth-Genesee Rd, in sharp curves in USFS Rd 24N08 (Bagley Pass Rd). 1737 Comment
  RSA0093359  Delphinium nudicaule Bonnie C. Templeton 1968-6-8 11217 Plumas Twain Rd., west of Butterfly Valley, ca 10 mi. west of Quincy. Comment
  HSC25002  Delphinium nudicaule R. P. Maynard Jr. 1963-5-4 31 Plumas Lake Almanor, 7 mi. S on Hwy. 89 Comment
  RSA74351  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end of Pine Valley. 915 Comment
  SEINET12092486  Delphinium nudicaule Austui n d s.n. Plumas no further locality Comment
  CAS-BOT-BC116102  Delphinium nuttallianum Mrs. H. C. Cantelow 1939-5-20 2559 Plumas Meadow Valley Comment
  CHSC107458  Delphinium nuttallianum Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-7-6 19 Plumas Northern High Sierra Nevada. 1.9 miles East of intersection of 22N60, 22N27, and Pacific Crest Trail, 500 ft downslope of 22N27 road. 1744 Comment
  CHSC97151  Delphinium nuttallianum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14059 B 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
  JEPS43411  Delphinium nuttallianum W. L. Jepson 1927-6-23 12300 Plumas near Camp Kelly; Warner Creek 1584 Comment
  RSA95441  Delphinium patens J. T. Howell 1951-6-27 27579 Plumas McRae Meadow. 1982 Comment
  CAS-BOT-BC121743  Delphinium patens subsp. patens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54264 Plumas About 1.4 mi. southeast of summit of Mt. Hough on road to Quincy 1950 Comment
  CHSC102155  Deschampsia cespitosa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16210 Plumas On dry 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
  SEINET4566764  Deschampsia cespitosa W. Harnach, N. Harnach 1991-6-21 564 Plumas Next to railroad bridge east of Co. Rd. A-23, 0.25 miles S of Beckwourth, Sierra Valley 1487 Comment
  CAS-BOT-BC192446  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1959-9-24 34897 Plumas Greenville 1097 Comment
  CAS-BOT-BC198158  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor 1828 Comment
  UCD62887  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy. 1036 Comment
  UCR66616  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  SEINET10900456  Deschampsia danthonioides Alan A. Beetle 1941-6-28 Beetle 2767 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Crepis, Sanicula tuberosa, Phacelia. 1829 Comment
  SEINET10933459  Deschampsia danthonioides Lawrence P. Janeway 1989-1 Janeway 3462 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of sec. 10. Near to Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CAS-BOT-BC201889  Deschampsia elongata Mary S. Clemens 1920-6-22 7 Plumas Quincy Comment
  CHSC21291  Deschampsia elongata F. T. Griggs; A. Pass 1975-8-2 294 Plumas Buck's Lake. Comment
  HSC100813  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas Bottom of East Branch Creek, E side of Quincy La Porte Rd., 1 3/4 air mi. S of Little Grass Valley Reservoir, 1 mi. NE of La Porte. 1594 Comment
  CAS-BOT-BC40913  Descurainia incana Lowell Ahart 1981-7-21 2951 Plumas Along Dixon Creek, north of Pilot Peak. 1600 Comment
  CHSC36944  Descurainia pinnata M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  SEINET10448270  Descurainia pinnata Mary Susan Taylor 1982-9-13 Taylor 5127 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  UCR3552  Dicentra formosa Wm. Horn Jr. 1963-7-14 630714- 5 Plumas Northern Sierra Nevada Mtns, 1.75-2.0 mi west of Meadow Valley store on [S side of] Big Creek 1189 Comment
  RSA66695  Dicentra formosa subsp. formosa F. W. Peirson 1926-6-22 6816 Plumas Trail to Devil's Kitchen, Lassen National Park Comment
  CHSC43323  Dicentra pauciflora Lowell Ahart 1975-7-9 859 Plumas Along the edge of small stream, about 1 mile west of Pilot Peak. 1981 Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  SEINET8769425  Dicentra uniflora W. Harnach, N. Harnach 1990-4-13 256 Plumas Sierra Valley, Approx 0.25 N of Sierra/Plumas Co. line of Co. Rd. A-23, Barry Hill (McElroy on maps). 1615 Comment
  CAS-BOT-BC402606  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork Mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte 1750 Comment
  SEINET10476262  Dicentra uniflora Mary Susan Taylor 1981-4-30 Taylor 3578 Plumas T22N R8E sw sec 27. American House quad. In plantation, ca. 0.5 mi N of 22N18, ca. 1 mi E of Big Peak and 4 mi W of Little Grass Valley Reservoir. Montane Coniferous Forest; 5600 ft. 1707 Comment
  CAS-BOT-BC242668  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 c Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  SEINET241786 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 d Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  CAS-BOT-BC483632  Dichelostemma capitatum Ella Dales Cantelow 1940-5-10 3927 Plumas West of Busks Lake Comment
  CAS-BOT-BC502163  Dichelostemma congestum John Thomas Howell 1960-7-22 35928 Plumas Near Devil's Kitchen, near Drakesbad; Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC293001  Dieteria canescens M. S. Taylor 1982-8-17 5015 Plumas Mt Ingalls summit, ca. 9 air mi ne of Sloat 2551 Comment
  CHSC10831  Diplacus mephiticus Lowell Ahart 1970-7-1 Plumas 10 miles west of La Porte. 1828 Comment
  CHSC34070  Diplacus mephiticus M. S. Taylor; L. Heckard 1981-7-29 4140 Plumas E side of 25N42 = Flournoy Grade, 1.3 mi s of Flournoy Bridge, ca. 3 mi e of Genesee. 1341 Comment
  CHSC53707  Diplacus mephiticus L. P. Janeway 1989-7-13 3486 Plumas Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd III) 11.3 mi from Beckwourth. Plumas National Forest. 1699 Comment
  SEINET8205905  Diplacus mephiticus L. P. Janeway 1995-6-25 4817 Plumas Almanor quad; 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1439 Comment
  CHSC95016  Diplacus torreyi Lowell Ahart 2006-10-23 13485 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC151686  Diplacus torreyi Mrs. A. L. Combs 1912-9-1 s.n. Plumas Great Western Power Co. dam Comment
  CAS-BOT-BC151692  Diplacus torreyi J. M. Tucker 1948-7-24 1720 Plumas Near road form Cascade to Camel Peak 1615 Comment
  UC1134584  Disporum hookeri G. T. Nordstrom 1934-7-20 242 Plumas 1/2 mi nw of Edmanton (Plumas National Forest); Plumas National Forest 1493 Comment
  JEPS117163  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) west of Twain 813 Comment
  CAS-BOT-BC136150  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas North side of Big Grizzly Creek at northwest end of Lake Davis - Plumas National Forest, Beckwourth Ranger District 1764 Comment
  UC1025075  Dodecatheon alpinum Leo Whitney 1934-8-19 1593 Plumas ca 10 mi nw Portola (nw end of Big Grizzley Valley, Plumas National Forest); Plumas National Forest, Big Grizzley Valley 1828 Comment
  SEINET10874361  Dodecatheon alpinum subsp. majus Mary Susan Taylor 1982-7-12 Taylor 4820 Plumas T23N R11E sw sec 21. Blue Nose Mt quad. Abundant in wet Montane Meadow, in McRae Meadows, ca. 6 air mi w of Mohawk. 6200 ft. 1890 Comment
  CHSC36205  Downingia bacigalupii M. S. Taylor 1982-7-8 4793 Plumas On mud on s side of Feather River on Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  SBBG33139  Downingia bicornuta K. K. Muller 1965-8-19 1366 Plumas 5 mi NW of Almanor P.O. on St Hwy 89 Comment
  CAS-BOT-BC41399  Draba verna John Thomas Howell; Gordon H. True 1967-5-7 42189 Plumas Sierra Nevada. Quincy. 1036 Comment
  UC397356  Draba verna Mrs. Jos. Clemens 1920-2-25 7000 Plumas Crescent Mills Comment
  CAS-BOT-BC41396  Draba verna John Thomas Howell 1978-4-19 52855 Plumas Sierra Nevada. Eastern part of Quincy. 1036 Comment
  UC1124248  Draperia systyla F. W. Embree 1934-6-6 72 Plumas South slope of Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CHSC102585  Drosera rotundifolia L. P. Janeway; B. Castro 2009-7-4 9848 Plumas Northern High Sierra Nevada. Upper end of Rock Isl ... Field redacted by CHSC, contact the data manager for more information 1576 Comment
  CHSC46703  Drosera rotundifolia V. Oswald; W. Dempsey 1989-8-24 3967 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  RSA0011663  Drosera rotundifolia Malcolm A. Nobs, S. Galen Smith 1949-8-19 1446 Plumas Butterfly Valley. Comment
  CAS-BOT-BC159676  Drymocallis glandulosa J. D. Schoeller 1928-7-16 380 Plumas Mt. Hough 1/2 mi. W Crystal Lake - Plumas National Forest Comment
  CAS-BOT-BC159584  Drymocallis glandulosa var. glandulosa E. K. Balls 1950-9-1 15605 Plumas East of Long Lake, upper slopes of meadow leading to two smaller lakes 2133 Comment
  CAS-BOT-BC535002  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1618 Plumas Butterfly Botanical Area and Vicinity, roadside at Fern Glen 1097 Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  JEPS122314  Dysphania pumilio Lowell Ahart 2014-8-31 19826 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC197242  Echinochloa muricata Walter Knight; Irja Knight 1967-7-10 2196 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC197263  Echinochloa muricata var. microstachya John Thomas Howell 1961-9-24 36907 Plumas Feather River bed sw. of Beckwourth 1487 Comment
  CHSC113929  Elatine Lowell Ahart 2014-8-20 19710 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1-1/4 miles east of Chester. 1386 Comment
  UCD108055  Eleocharis acicularis Tim Kuhn 2006-6-22 87 Plumas near Bagley Pass. Comment
  JEPS115929  Eleocharis acicularis var. bella Lowell Ahart, John Dittes 2009-7-27 16189 Plumas On dry bare soil, about 20 yards north of the poor dirt road, on the bottom of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC113509  Eleocharis bella John Thomas Howell 1960-7-19 35706 Plumas Wet meadow, Drakesbad. 1828 Comment
  UC1133524  Eleocharis bella E. Sawyer 1935-6-27 207 Plumas 1524 Comment
  JEPS102596  Eleocharis engelmannii Lowell Ahart 2001-10-16 9376 Plumas On the north side of a bank and a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS104608  Eleocharis engelmannii Lowell Ahart 2003-7-18 10427 Plumas In a meadow, on the n side of the road, ca 1/4 mi w of Lumpkin Ridge Rd, ca 1 1/2 mi se of Tamarack Flat, ca 1 1/2 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 1/2 mi (air) nw of La Porte. 1709 Comment
  SEINET3441877  Eleocharis engelmannii Unknown 2003-7-18 10427 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  SD46467  Eleocharis engelmannii var. detonsa Robert J. Weatherby 1950-7-28 1490 Plumas Growing in sun in wet soil at marshy edge of road, north edge of Taylorsville. (IPB 10/07) 1067 Comment
  NY51036  Eleocharis monticola M. E. P. Ames 1876-1 s.n. Plumas Comment
  SEINET10466897  Eleocharis palustris Mary Susan Taylor 1982-6-28 Taylor 4777 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
  CAS-BOT-BC112079  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  CHSC78745  Eleocharis quinqueflora Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond and Sweetwater Meadow. 1164 Comment
  JEPS102457  Eleocharis quinqueflora Lowell Ahart and Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  UC1028653  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin area Comment
  RSA508598  Elodea canadensis Mrs. R. M. Austin s.n. Plumas [no locality information provided] Comment
  UC1561236  Elodea canadensis Barbara Ertter 1988-10-21 7998 Plumas 1.5 mi e Chester (e end of causeway, on Hwy 36, submerged in Lake Almanor, s of road); Lake Almanor 1341 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
  SEINET10863864  Elymus William E. Harmon 1969-8-18 Harmon 1562 Plumas Roadcut in open pine forest. 2 mi NE of Blairsden. Comment
  SEINET10558291  Elymus cinereus Frederick J. Hermann 1955-7-27 Hermann 11944 Plumas Sage brush - rabbit brush plain along highway, 3 1/2 miles S. Vinton. Comment
  RSA726281  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2007-6-16 14143 Plumas west of a small stream, about 200 yards south of County Road 111 ( Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UC1146625  Elymus glaucus Freed W. Hoffman 1946-6-9 1810 Plumas Lake Almanor Comment
  CAS-BOT-BC206517  Elymus glaucus subsp. glaucus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2213 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity 883 Comment
  HSC8767  Elymus intermedius L. S. Rose 1968-6-10 68088 Plumas Quincy Meadow 1037 Comment
  CAS-BOT-BC228655  Elymus multisetus John Thomas Howell 1955-7-19 30779 Plumas Beckwourth 1493 Comment
  OBI21785  Elymus trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  CAS-BOT-BC204406  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1955-7-1 30786 Plumas Vinton 1505 Comment
  CDA12143  Elytrigia intermedia subsp. barbulata G. F. Hrusa, J. Dinsdale 1989-6-25 7191 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CHSC36852  Elytrigia intermedia subsp. barbulata M. S. Taylor 1982-6-28 4761 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures; ca. 1 mi w of Beckwourth, s of Hwy 70. 1487 Comment
  JEPS114826  Elytrigia intermedia subsp. intermedia Lowell Ahart 2008-9-10 15370 Plumas On the north side of East Branch Creek, on the south side of the 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
  NY70798  Ephedra viridis M. E. P. Ames s.n. Plumas Comment
  NY70833  Ephedra viridis E. B. Babcock 1936-6-7 1735 Plumas North of Chilcoot 1767.8 Comment
  SEINET10453212  Epilobium adenocaulon var. holosericeum Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5184 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
  SD7372  Epilobium angustifolium R. W. Austin 1882-7-20 Plumas Big Meadows Comment
  RSA144905  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-13 59 -152 Plumas 3.5 miles east of Bucks Lake Lodge Comment
  CDA38056  Epilobium brachycarpum L. Ahart, John Dittes 2003-8-8 10 .481 Plumas On the west side of Beckwouth Calpine Road, about 50 yards north of the Western Pacific Railroad, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. Comment
  CHSC33731  Epilobium brachycarpum M. S. Taylor 1981-7-13 3994 Plumas Frenchman Lake Canyon, 0.5 mi s of the dam, ca. 11 mi n of Chilcoot on Hwy 70. 1706 Comment
  CHSC65646  Epilobium brachycarpum L. P. Janeway 1995-7-23 4864 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  RSA60796  Epilobium brachycarpum I. L. Wiggins 1948-9-15 12051 Plumas Ridge between canyons of Onion Creek and Middle Fork of Feather River Comment
  CAS-BOT-BC171704  Epilobium canum subsp. latifolium Lowell Ahart 1979-8-4 s.n. Plumas Red Fir Foerst ca. 1 mi. w of Pilot Pk. 1800 Comment
  CAS-BOT-BC171718  Epilobium canum subsp. latifolium Mrs. A. L. Combs 1906-1-1 s.n. Plumas Prattville Comment
  POM223303  Epilobium canum subsp. latifolium E. C. Sutliffe 1919-09 s.n. Plumas Gold Lake Region Comment
  RSA121166  Epilobium canum subsp. latifolium C. G. Albertus 1935-7-20 207 Plumas 1.5 miles S.W. of Lava Peak. 1311 Comment
  UC107727  Epilobium canum subsp. latifolium R. M. Austin Aug 1896 559 Plumas Indian Valley Comment
  UCD105463  Epilobium canum subsp. latifolium F. H. Bolster 1912-9-2 9 Plumas Feather River Canyon. 762 Comment
  RSA641238  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1974-7-30 45010 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  SD130489  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-16 51887 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1096 Comment
  JEPS115226  Epilobium ciliatum subsp. glandulosum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16148 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
  JEPS95290  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1994-7-28 7535 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  POM262915  Epilobium ciliatum subsp. glandulosum Herbert McLean Evans 1922-07 s.n. Plumas Willow Lake. Mt. Lassen National Park. Comment
  CHSC40248  Epilobium densiflorum K. R. Stern 1985-6-25 8251 Plumas Meadow, vic. Blairsden. 1371 Comment
  JEPS113601  Epilobium densiflorum Lowell Ahart, Josephine Guardino 2007-7-21 14383 Plumas Sides of a small drying stream, about 60 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  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
  SEINET12193548  Epilobium glandulosum W. Knight, Knight, I. 1983-1 4916 Plumas Lassen Volcanic National Park, along trail between Drakesbad guest ranch and Boiling Springs Lake 1859 Comment
  CHSC63462  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas Plumas County. Sierra County. On the south side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 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
  CAS-BOT-BC56991  Equisetum arvense John Thomas Howell 1960-7-19 35661 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC56996  Equisetum arvense Walter Knight; Irja Knight 1966-6-18 1360 Plumas Near Pond Reservoir, Butterfly Valley 1097 Comment
  CAS-BOT-BC56999  Equisetum arvense W. I. Follett 1961-7-14 s.n. Plumas Estray Creek, 1.5 mi. below Spring Garden Comment
  SBBG133124  Equisetum arvense B. C. Templeton 1968-1 11283 Plumas unknown Comment
  RSA0049695  Eremogone cliftonii Dean Wm. Taylor, Cade Mohler 2014-6-25 21490 Plumas 1 mile west of The Big Hill (vicinity Kimshew Point), logging spur road 0.5 miles east of Concow Road (County Road 525) 1650 Comment
  CAS-BOT-BC174212  Eremogone congesta var. congesta John Thomas Howell 1973-7-9 49723 Plumas Round Valley 1371 Comment
  CHSC97259  Eremogone kingii var. glabrescens Lowell Ahart; John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  SEINET10546847  Eriastrum Mary Susan Taylor 1981-7-6 Taylor 3983 Plumas T25N R15E s half se sec 31. Dixie Mt quad. Open bare site, N side of Ross Canyon Rd (25N31), 0.7 mi E of its jct with Dixie Valley Rd, ca. 16 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  CAS-BOT-BC187911  Eriastrum signatum M. S. Taylor 1981-7-6 3983 Plumas N side of 25N31-Ross Canyon Road, 0.7 mile E of its junction with 28N01-Dixie Valley Road, ca. 16 air miles NW of Chilcoot 1798 Comment
  CAS-BOT-BC286646  Ericameria bloomeri John Thomas Howell; Gordon H. True 1973-7-31 50076 Plumas Summit ridge of Thompson Peak. Diamond Range 2362 Comment
  CHSC100132  Ericameria bloomeri L. P. Janeway; Heather Koeth 2008-10-7 9602 Plumas Northern High Sierra Nevada. Plumas National Forest; on north flank of Blue Nose Mountain, 0.8 air km north of its peak. At northern edge of large mostly open talus slope at edge of forest. 1818 Comment
  JEPS113438  Ericameria bloomeri Lowell Ahart, John Dittes 2007-8-9 14432 Plumas Along the west side of the poor road, south slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA201321  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  SD50988  Ericameria bloomeri Darley F. Howe 1960-9-21 2989 Plumas On Highway 89 alternate, 10 miles from Highway 89 on road to Susanville 1675 Comment
  UC1118682  Ericameria bloomeri C. G. Albertus 1935-8-15 268 Plumas 1.5 mi se Cates; Plumas National Forest, Downieville Quad. 1783 Comment
  SBBG128754  Ericameria bloomeri L. Ahart 2008-8-14 15199 Plumas 20 yards NW of the metal gate, W side of Forest Rd 22N68, ca. 50 yards W of the S Fork of the Feather River, ca. 0.5 mi NE of Little Grass Valley Reservoir, ca. 5 mi (air) NE of La Porte 1571 Comment
  CAS-BOT-BC294290  Ericameria nauseosa var. speciosa John Thomas Howell 1974-9-20 50902 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CAS-BOT-BC299441  Ericameria nauseosa var. speciosa Mrs. Jos Clemens 1919-11-1 s.n. Plumas Crystal Lake Comment
  CHSC40563  Ericameria nauseosa var. speciosa Lowell Ahart; Jim Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  JEPS118403  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -A Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  JEPS26680  Ericameria nauseosa var. speciosa P. C. Hutchison 1961-6-9 2112 Plumas on highway US Alt. 40, Rich Bar, canyon of the north fork of the Feather River Feather River Comment
  UC216608  Ericameria nauseosa var. speciosa R. M. Austin 1880-8-1 Plumas Big Meadows Comment
  JEPS95180  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas 1.6 mi s of Last Chance Campground (Forest Road 29N11 on e side of Last Chance Marsh at the n end of Lake Almanor); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  CAS-BOT-BC293027  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas Near Blairsden 1341 Comment
  JEPS75283  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-25 36964 Plumas Portola Sierra Nevada 1478 Comment
  UC584279  Erigeron barbellulatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 Plumas n of Engelmine (sw slopes and ridge crest Red Rock); Red Rock 2133 Comment
  CAS-BOT-BC294471  Erigeron bloomeri var. bloomeri John Thomas Howell 1962-6-18 37791 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC297148  Erigeron concinnus var. concinnus John Thomas Howell 1951-8-19 28176 Plumas Near Paxton, Sierra Nevada 914 Comment
  CHSC53126  Erigeron coulteri L. P. Janeway 1990-7-25 3814 Plumas Plumas National Forest. About 0.2 mi northwest of Emigrant Creek and about 0.3 mi southeast of Little Grizzly Creek. 1828 Comment
  RSA184939  Erigeron divergens L. S. Rose 1966-7-28 66071 Plumas Quincy. 1067 Comment
  CAS-BOT-BC296008  Erigeron divergens David D. Keck 1932-7-3 1623 Plumas North of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC296011  Erigeron divergens A. A. Heller; P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee Valley and Summit Comment
  CAS-BOT-BC296014  Erigeron divergens W. Harnach; N. Harnach 1990-6-19 398 Plumas Genessee Road, Sierra Valley 1584 Comment
  RSA641874  Erigeron eatonii Michael A. Vincent 1999-6-7 8526 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UC1730239  Erigeron eatonii var. nevadincola L. P. Janeway 1998-7-1 5705 Plumas 0.4 mi NW of Cottonwood Campground (50 ft W (downhill) of Road 25N11) 1767 Comment
  CAS-BOT-BC300407  Erigeron eatonii var. plantagineus L. P. Janeway 1992-5-22 4199 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola 1485 Comment
  SEINET11844247  Erigeron eatonii var. plantagineus L. P. Janeway 1989-1 3383 Plumas upper slope overlooking Crocker Mdw from the E 1890 Comment
  JEPS113383  Erigeron eatonii var. sonnei Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13982 Plumas Open rocky flat, along the edge of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC300421  Erigeron eatonii var. sonnei C. R. Quick 1950-6-18 50 -07 Plumas 1 mile W of Almanor Inn, on S shore of Lake Almanor 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
  CAS-BOT-BC300697  Erigeron glacialis var. glacialis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CAS-BOT-BC300838  Erigeron glacialis var. glacialis Rimo Bacigalupi; Aldo Bacigalupi 1952-8-19 3950 Plumas Mt. Elwell region, about 1 1/2 mi. north of the Sierra County boundary 1981 Comment
  UCD147798  Erigeron inornatus Allyson Ayalon; Lucie Jerabkova 2012-8-1 151 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC295219  Erigeron inornatus Thomas H. Harris 1969-7-7 s.n. Plumas West side of Lake Almanor 1371 Comment
  SEINET10473745  Erigeron inornatus Mary Susan Taylor 1981-7-6 Taylor 3980 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  SEINET10474627  Erigeron inornatus var. viscidulus Mary Susan Taylor 1981-8-25 Taylor 4238 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  JEPS109586  Erigeron lassenianus var. deficiens Dean W. Taylor 2002-7-3 18221 Plumas Forest Road 22N27 ca. 0.5 miles west from junction Forest Road 22N29 (ca. 1 air mile NW of Little Grass Valley dam) 1706 Comment
  JEPS87535  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas about 3 mi nw Pilot Peak (w side of Cleghorn Bar Road); Monitor Flat 1828 Comment
  CHSC112520  Erigeron lassenianus var. lassenianus L. P. Janeway 2014-7-15 11528 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the west edge of Happy Valley. 1748 Comment
  CAS-BOT-BC295496  Erigeron lassenianus var. lassenianus A. A. Heller 1940-5-22 15669 Plumas Along State Highway #89 in a treeless area 2 miles north of Almanor Comment
  CDA18571  Erigeron lassenianus var. lassenianus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3330 Plumas Sierra Nevada; 0.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake 1661 Comment
  CAS-BOT-BC295793  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-6-27 27625 Plumas Jamison Creek 1828 Comment
  HSC100780  Erigeron petrophilus var. sierrensis L. P. Janeway, B. Castro 2009-8-29 9949 Plumas E end of Red Mountain, 0.6 km S of the Buckhorn survey monument; at junction of Rd. 23N69 and Rd. 23N36Y. 573 Comment
  UC1730266  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas about 2 mi S of Haskins Valley (on W side of Road 18 at jct with Road 23N69; at extreme E end of Red Mountain) 1792 Comment
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Jul 16 2007
  RSA106764  Erigeron pumilus var. intermedius L. S. Rose 1955-7-19 55151 Plumas Vinton. 1506 Comment
  CAS-BOT-BC300127  Erigeron pumilus var. intermedius John Thomas Howell 1975-7-22 s.n. Plumas Near Beckwourth, nw. part of Sierra Valley 1493 Comment
  CAS-BOT-BC216235  Eriodictyon californicum John Thomas Howell 1951-6-26 27554 Plumas Near Keddie, Sierra Nevada 975 Comment
  CHSC81140  Eriogonum baileyi var. baileyi Lowell Ahart 2001-8-29 9224 Plumas On the north side of Doyle Grade Road, about 1/4 mile west of Meadow View Station, about 6 (air) miles north of Frenchman Lake. 1828 Comment
  SEINET8655788  Eriogonum baileyi var. baileyi W. Harnach 2015-8-6 1436 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  RSA756700  Eriogonum douglasii var. douglasii Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  SEINET783268 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth . 1707 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
  CHSC40852  Eriogonum elatum var. elatum K. R. Stern 1985-6-25 8225 Plumas Vicinity of Blairsden. 1432 Comment
  SEINET10479491  Eriogonum elatum var. villosum Mary Susan Taylor 1982-8-12 Taylor 4982 Plumas T23N R12E nw sec 20. Johnsville quad. Along Jackson Creek Rd (23N48) ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 5400 ft. 1646 Comment
  CHSC36346  Eriogonum lobbii M. S. Taylor 1982-8-5 4930 Plumas Mt. Hough summit, on cliff edge, ca. 7 mi nne of Quincy. 2194 Comment
  CAS-BOT-BC267326  Eriogonum luteolum var. pedunculatum A. A. Heller; P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Crek below Genessee Comment
  RSA766342  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8268 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  UC1032132  Eriogonum marifolium D. Axelrod 1934-6-9 23 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC723802  Eriogonum marifolium Joseph Andorfer Ewan 1934-7-16 8522 Plumas Mt. Elwell trail above Long Lake 2072 Comment
  CAS-BOT-BC263294  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 B Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC263305  Eriogonum marifolium var. marifolium F. Ehrendorfer 1959-1-1 s.n. Plumas Chester 1524 Comment
  CHSC39991  Eriogonum microthecum var. laxiflorum M. S. Taylor 1982-9-1 5084 Plumas Red Rock Lookout, ca. 15 mi ne of Taylorsville. In rock outcrops. 2321 Comment
  CAS-BOT-BC261363  Eriogonum nudum var. deductum Rimo Bacigalupi 1927-7-11 1713 Plumas Near Grassy Lake Meadows near Bear Lake, Gold Lake Region 1889 Comment
  CHSC33514  Eriogonum nudum var. deductum L. P. Janeway 1992-7-30 4297 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket 1828 Comment
  CHSC60543  Eriogonum nudum var. deductum L. P. Janeway 1992-7-10 4258 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 1/2 mi northeast of top of Grizzly Ridge in upper Joseph Creek. 2087 Comment
  JEPS115796  Eriogonum nudum var. deductum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15864 -C Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  CHSC40621  Eriogonum nudum var. nudum Lowell Ahart; Jim Jokerst 1985-10-4 5194 Plumas Along the South Fork of the Feather River, about 1/4 mile north of the Feather River, about 1/4 mile north of the Feather Fork Mine, about 6 miles north-east of La Porte. 1645 Comment
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Jan 21 2013
  CHSC62153  Eriogonum nudum var. nudum L. P. Janeway 1993-7-31 4485 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. Road cutbank. 1066 Comment
  CHSC66766  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1996-8-14 8160 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Common in hydraulic mine tailings along the road. 1127 Comment
  RSA59486  Eriogonum nudum var. nudum E. K. Balls 1950-9-15 15863 Plumas South tip Lake Almanor, near P. G. E. dam, Highway 89. 1372 Comment
  CHSC21204  Eriogonum nudum var. oblongifolium F. T. Griggs; A. Pass 1975-7-9 138 Plumas Buck;s Lake Forest Service Survey. Comment
  UCD100553  Eriogonum nudum var. oblongifolium Robbins; Raynor 1943-6-1 s.n. Plumas Near Quincy. Comment
  SEINET5332075  Eriogonum pedunculatum A. A. Heller, P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UC1776757  Eriogonum spergulinum var. reddingianum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13242 Plumas Bull Run Creek off USFS 23N12E. 2100 Comment
  RSA242159  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Plumas Along California Highway 89, 4 mi. northwest of Greenville and about 4 mi. southeast of Canyondam. 1220 Comment
  CDA19246  Eriogonum strictum var. anserinum G. D. Barbe, T. C. Fuller 1982-6-17 3816 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CAS-BOT-BC262781  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Beckwourth Ranger District, Plumas National Forest. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111), 6.4 mi N of Beckwourth 1874 Comment
  CAS-BOT-BC262784  Eriogonum strictum var. proliferum Clare B. Hardham 1961-6-16 7478 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CDA22680  Eriogonum umbellatum var. ahartii Vernon H. Oswald & Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway west of Meadow Valley, 0.1 mile west of Silver Lake Road. Comment
  CHSC70269  Eriogonum umbellatum var. ahartii B. Castro; R. Fallscheer, R. Zebell 1989-8-7 365 Plumas Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, at jcn of USFS Rds 23N18, 23N15 and 23N69. 1786 Comment
  CAS-BOT-BC265159  Eriogonum umbellatum var. nevadense John Thomas Howell 1962-6-18 37795 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC265161  Eriogonum umbellatum var. nevadense Clarence R. Quick 1963-7-24 63 -56 Plumas Lava Cap on shoulder of east-west ridge 1.5 miles east of Wheeler Peak, Sierra Nevada Comment
  CAS-BOT-BC265164  Eriogonum umbellatum var. nevadense Anna Head 1920-7-30 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC34728  Eriogonum umbellatum var. nevadense M. S. Taylor 1981-6-16 3910 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak Lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  CHSC53058  Eriogonum umbellatum var. nevadense L. P. Janeway 1989-6-23 3385 Plumas Plumas National Forest Beckwourth Ranger District Crocker. Upper W-facing slope on ridge between Crocker Meadow and Dotta Cr. 1889 Comment
  JEPS95292  Eriogonum umbellatum var. nevadense Lowell Ahart 1994-7-28 7528 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC34746  Eriogonum umbellatum var. polyanthum M. S. Taylor 1981-8-25 4236 Plumas Red Hill Lookout, ca. 3 air mi ne of Belden. 1920 Comment
  CHSC82121  Eriogonum umbellatum var. polyanthum L. P. Janeway; B. Castro 2001-6-22 7368 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  JEPS95072  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas about 2 air mi ne of Belden (about 1 1/2 air mi sw of Red Hill, on e side of the dirt road to the siphon, about 1/8 mi n of the siphon) 792 Comment
  CAS-BOT-BC262260  Eriogonum ursinum G. Schoolcraft 1989-7-3 1936 Plumas Diamond Mtns. south of Red Rock Lookout Comment
  RSA238655  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 mi. northwest of Greenville and about 4 mi. southeast of Canyondam. 1220 Comment
  SEINET5332053  Eriogonum ursinum M. J. Williams, Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1676 Comment
  SEINET5332054  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Little Grizzly Creek. Comment
  CHSC67378  Eriogonum ursinum var. ursinum J. D. Jokerst 1984-6-13 2055 Plumas On serpentine scree slopes at the very top of Yellow Cr Canyon where USFS rd 26N26 crosses over a ridgeline saddle at the S edge of Section 31. North of road. 1463 Comment
  CAS-BOT-BC264122  Eriogonum vimineum Clare B. Hardham 1985-7-31 30138 Plumas Doyles Crossing, between Antelope Reservoir and Janesville, Sierra Nevada Comment
  RSA59256  Eriogonum vimineum E. K. Balls 1950-8-31 15545 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  SEINET13709855  Eriogonum vimineum Lowell William Ahart, Lowell William Ahart 2001-1 9224 Plumas N Side Doyle Grade Rd., 1/4 Mi. W of Meadow View Station, 6 Mi. N of Frenchman Lake (T25N, R16E, sec 8, SW 1/4) 6000 Ft. 1829 Comment
  LA203596  Eriophyllum lanatum Lincoln Constance; 1933-7-5 E 116 Plumas 1 mi. W of Keddie Comment
  RSA32738  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas Near Rich Bar, on Feather River Highway 762 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-BC308268  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 116 Plumas 1 mile west of Keddie Comment
  CHSC48157  Eriophyllum lanatum var. integrifolium Vernon Oswald 1983-8-24 1022 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC53148  Eriophyllum lanatum var. integrifolium L. P. Janeway 1989-6-12 3292 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  UC1118252  Eriophyllum lanatum var. integrifolium C. W. Hanks 1934-8-8 20 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UC567194  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-14 104 Plumas 1 mi s of Sugarloaf; Sierraville Quadrangle 1524 Comment
  RSA308821  Eryngium aristulatum var. aristulatum Roxana S. Ferris, Laura Lorraine 1941-8-9 10424 Plumas At Lake Almanor Public Camp (near village) Comment
  SEINET10840963  Eryngium articulatum Mary Susan Taylor 1982-9-8 Taylor 5110 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC2410  Erysimum capitatum var. capitatum R. Carter 1965-6-21 254 Plumas Found ca. 7 mi. W of Bucks Lake on Oroville-Quincy Rd. at Frenchman's Hill, on S side of road ca. 10' SSW of Frenchman's Hill sign. 1737 Comment
  CHSC52516  Erysimum capitatum var. capitatum L. P. Janeway 1990-5-19 3721 Plumas Plumas National Forest. Small creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  CHSC89523  Erysimum capitatum var. capitatum G. Douglas Barbe; T. C. Fuller 1982-6-15 3726 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC20758  Erythranthe breweri K. R. Stern 1975-7-24 5876 Plumas Sw shore of Lake Almanor. 1371 Comment
  CHSC21028  Erythranthe breweri F. T. Griggs; A. Pass 1975-7-10 152 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC112610  Erythranthe guttata Lowell Ahart 2013-9-11 19027 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC40655  Erythranthe guttata Lowell Ahart 1985-9-26 5179 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
  SJSU14235  Erythranthe guttata N. A. Hopkins 1989-5-16 1495 Plumas Marble Hot Springs Rd, Sierra Valley 1524 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
  RSA430188  Erythranthe pulsiferae Christopher Davidson 1975-6-7 2733 Plumas 4.6 mi N. of Greenville on Hwy 89. 1238 Comment
  CHSC2450  Erythronium purpurascens R. Carter 1965-7-2 281 Plumas Green Is. L., SE shore in small, grassy meadow, ca. 15 yds. From shore of lake. 1828 Comment
  JEPS61869  Erythronium purpurascens Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  SD6486  Erythronium purpurascens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  SEINET10469553  Erythronium purpurascens Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4469 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
  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
  SEINET3160626  Eschscholzia californica E. K. Balls 1950-9-6 15692 Plumas 3.1 mi. e. of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  UC855169  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy; Indian Valley 1097 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
  POM147050  Eschscholzia californica var. crocea Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve, on road from Chilcott Comment
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  CAS-BOT-BC310539  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  CAS-BOT-BC310543  Eurybia integrifolia Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC1119644  Eurybia radulina G. T. Nordstrom 1934-7-9 210 Plumas 1 1/4 mi se of Mt. Ararat (Bidwell Bar Quad.); Bidwell Bar 1584 Comment
  CAS-BOT-BC310592  Eurybia radulina Lowell Ahart 1980-9-17 2647 Plumas 1 mile west of Fowler Pk. 1800 Comment
  UC1192258  Euthamia occidentalis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1455 Plumas se side Portola Comment
  CHSC102086  Festuca idahoensis Lowell Ahart; John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC74042  Festuca idahoensis B. Castro; L. P. Janeway 1998-8-29 830 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, beside trail ca 0.3 mi N of Fowler Lake, S of its jcn with the Pacific Crest Trail. 1676 Comment
  CAS-BOT-BC278464  Festuca idahoensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54210 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  OBI21834  Festuca microstachys Lewis S. Rose 1967-6-12 67115 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  CHSC101931  Festuca occidentalis Lowell Ahart; John Dittes 2009-7-14 16063 Plumas On dry soil, on the east side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  UCD66140  Festuca occidentalis John Thomas Howell 1962-6-17 37681 Plumas Butterfly Valley. 1036 Comment
  UCD66183  Festuca occidentalis H. S. Yates 1913-6-24 Plumas Massack. 1371 Comment
  CAS-BOT-BC279019  Festuca rubra Clare B. Hardham 1970-8-8 17703 E Plumas Road to Thompson Peak Lookout 2133 Comment
  UC717973  Festuca rubra David D. Keck 1944-7-8 5439 Plumas s end Lake Almanor (e side of dam); Sierra Nevada 1341 Comment
  CAS-BOT-BC278636  Festuca subulata Lowell Ahart 1980-8-12 2533 Plumas Along Onion Creek, near Diamond Spring Hill, ca. 1.5 mi E of La Porte Road, ca. 6 mi. SW of La Porte 1400 Comment
  CDA28223  Festuca subulata L. Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte Comment
  SEINET10837360  Floerkea proserpinacoides Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3834 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  SEINET11910371  Fragaria platypetala W. Knight, Knight, I. 1983-1 4897 Plumas Warner Crk Campground betw. Chester adn Drakesbad 1539 Comment
  CHSC34267  Fragaria virginiana M. S. Taylor 1981-5-10 3669 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi ne of Taylorsville. 1536 Comment
  CAS-BOT-BC459441  Fragaria virginiana subsp. platypetala A. A. Heller; B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CAS-BOT-BC459444  Fragaria virginiana subsp. platypetala Ella Dales Cantelow 1938-7-4 2307 Plumas Drakesbad Comment
  CAS-BOT-BC55685  Frangula purshiana John Thomas Howell 1959-9-24 34935 Plumas Butterfly Valley near mouth Comment
  CHSC21513  Frangula purshiana D. Brink; L. Mayer 1975-7-9 Plumas Buck's Lake. Comment
  HSC99902  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-13 12056 Plumas Plumas National Forest. 1220 Comment
  RSA739746  Frangula purshiana subsp. annonifolia L. P. Janeway, B. Castro 2007-8-18 9206 Plumas Northern High Sierra Nevada. Along Soda Creek and Road 25N22, 1.2 km NW of Hwy 70 and West Branch North Fork Feather River. 942 Comment
  JEPS114191  Frangula purshiana subsp. ultramafica L. P. Janeway, B. Castro 2007-8-18 9196 Plumas Northern High Sierra Nevada. Along Caribou Road and North Fork Feather River 6.6 road km north of Hwy 70. Comment
  CHSC70275  Frangula rubra subsp. obtusissima B. Castro 1989-8-3 339 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18. 1828 Comment
  CAS-BOT-BC53796  Frangula rubra subsp. rubra Lewis S. Rose 1969-6-23 69044 Plumas La Porte Road - 10 mi. sw of Quincy 1249 Comment
  CAS-BOT-BC53799  Frangula rubra subsp. rubra Alice Eastwood 1927-6-27 s.n. Plumas On road from Chilcatt Comment
  CAS-BOT-BC59581  Frangula rubra subsp. rubra John Thomas Howell 1975-6-16 51133 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  POM76662  Frasera albicaulis var. nitida Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
  CHSC33616  Fritillaria atropurpurea M. S. Taylor 1981-6-17 3924 Plumas Large Montane Meadow on n side of Coldwater Spring, ca. 1/4 mi e of its jct with 25N49, ca. 14 air mi n of Blairsden. 2255 Comment
  UC333405  Fritillaria atropurpurea unknown 1889-5-25 Plumas Mohawk Valley Comment
  CAS-BOT-BC505268  Fritillaria atropurpurea Mary Strong Clemens 1920-1-1 s. n. Plumas Greenville Comment
  JEPS87750  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas about 1 mi (air) w Little Grass Valley Reservoir (w side of logging road near intersection of Lumpkin Ridge Rd and road to Tamarack Flat) 1767 Comment
  CHSC75754  Galium grayanum var. grayanum Lowell Ahart; Vernon H. Oswald 1999-7-15 8093 Plumas About 50 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  RSA88460  Galium grayanum var. grayanum J. T. Howell 1951-6-28 27722 Plumas Eureka Peak. 2226 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
  CHSC21289  Galium trifidum F. T. Griggs; A. Pass 1975-8-5 306 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC113613  Galium trifidum subsp. subbiflorum Lowell Ahart 2014-8-31 19820 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
  CHSC100041  Galium triflorum Lowell Ahart 2008-7-16 15104 Plumas On the east side of a small meadow (swamp) about 10 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
  CHSC35272  Galium triflorum M. S. Taylor 1981-8-5 4163 Plumas At end of Rd 28N03-Fruit Growers Blvd, ca. 3 air mi W of Antelope Lake, ca. 13 air mi NE of Taylorville. 1706 Comment
  UC1523193  Galium triflorum M. S. Taylor 1981-7-29 4150 Plumas 0.2 mi n North Branch of Ward Creek (along creek crossing 25N42-Flournoy Grade, ca 5 air mi se of Genesee); Genesee Valley quad. 1828 Comment
  CHSC21337  Garrya fremontii F. T. Griggs; A. Pass 1975-8-8 134 Plumas Buck's Lake Forest Service Survey Comment
  CHSC33809  Garrya fremontii M. S. Taylor 1981-4-30 3576 Plumas In plantation, ca. 0.5 mi n of 22N818, ca. 1 mi e of Big Peak and 4 mi w of Little Grass Valley Reservoir. 1706 Comment
  UC1122667  Garrya fremontii R. Roseberry 1934-11-1 2 Plumas 2 mi nw Mt. Jackson; Plumas National Forest, Downieville Quad. 1493 Comment
  CAS-BOT-BC169858  Garrya fremontii John Thomas Howell 1978-4-19 52853 Plumas yellow pine forest, eastern part of Quincy 1036 Comment
  UC1186541  Gayophytum diffusum subsp. parviflorum J. W. MacSwain 1959-8-13 59 -153 Plumas 3.5 mi e Bucks Lake Lodge Comment
  JEPS23194 Image available Gayophytum helleri var. erosulatum W. L. Jepson 1918-8-2 7754 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  RSA104130  Gentiana simplex Ames 1876-1 s.n. Plumas [Unspecified] Comment
  UC338823  Gentianopsis holopetala unknown 1137 Plumas Butterfly Valley Comment
  CHSC21209  Geum macrophyllum F. T. Griggs; A. Pass 1975-8-1 284 Plumas Buck's Lake. Comment
  CAS-BOT-BC459556  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  SJSU15162  Geum triflorum var. ciliatum N. A. Hopkins 1993-5-27 1728 Plumas by Beckwourth-Janesville Rd N of Milford Fork 1524 Comment
  UC1583962  Gilia capitata subsp. capitata G. Schoolcraft 1990-5-9 2023 Plumas about 1 mi w Crescent Mills; w of Crescent Mills 1493 Comment
  RSA83127  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-7-11 8587 Plumas Foot of Camel Peak 1372 Comment
  SEINET3163619  Gilia leptalea E. K. Balls 1950-9-5 15673 Plumas 0.5 mi. off Hwy 24, on La Porte Rd., e. of Quincy, Thompson Valley 1097 Comment
  SEINET10837208  Gilia leptalea subsp. leptalea Mary Susan Taylor 1981-8-28 Taylor 4248 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
  SEINET13709989  Glyceria borealis Lowell William Ahart, Lowell William Ahart 2001-1 9189 Plumas 3/4 Mi. NE of Chester, Last Chance Marsh (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  JEPS28296  Glyceria elata George W. Gillett 1957-7-18 828 Plumas n shore Willow Lake; Lassen Volcanic National Park 1661 Comment
  JEPS76217  Glyceria elata W. L. Jepson 1939-7-30 19280 Plumas between Fales Hill and Chaparral Hill (Spanish Creek headwaters); Spanish Creek 1584 Comment
  CAS-BOT-BC307395  Gnaphalium palustre Doris K. Kildale 1927-9-11 3779 Plumas Chester 1289 Comment
  CHSC30932  Gnaphalium palustre M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3350 Plumas Along Grizzly Creek, s side of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca 20 mi sw of Quincy. 1524 Comment
  CHSC66899  Goodyera oblongifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8169 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  JEPS64397  Goodyera oblongifolia Helen-Mar Wheeler 1944-8-23 Plumas Cascade Creek 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
  SD7037  Gratiola virginiana Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC84531  Grindelia nana John Dittes 2003-8-8 2003 -91 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  SEINET5709450 Image available Grindelia squarrosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7718 Plumas Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CHSC72303  Hackelia amethystina L. P. Janeway; Glenn Clifton 1998-7-8 5720 Plumas About 1.5 mi northeast of Indicator Peak; along Road 28N08 0.25 mi southwest of Road 29N03. 1944 Comment
  SEINET3153249  Hackelia californica L. S. Rose 1939-6-8 39271 Plumas South end of Lake Almanor 1372 Comment
  UC485778  Hackelia californica H. E. and S. T. Parks 1928-6-1 249 Plumas Drakesbad Comment
  CHSC88006  Hackelia micrantha Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11160 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  RSA235881  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-21 2081 Plumas Mt. Hough, 10.5 miles northeast of Quincy on Mt. Hough-Crystal Lake Road. 2027 Comment
  UC1075689  Hackelia micrantha Robert J. Weatherby 1955-7-2 1576 Plumas creek below Bear Ridge (near Taylor Lake) 2072 Comment
  CHSC76124  Hackelia nervosa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3258 Plumas Mount Hough-Crystal Lake Road, 1.4 miles below (southeast of) Mt. Hough summit. 1950 Comment
  UC726949  Hackelia nervosa A. A. Heller 1942-8-14 16521 Plumas below Sulphur Works Checking Station Comment
  SEINET10474685  Haplopappus acaulis Mary Susan Taylor 1981-6-16 Taylor 3911 Plumas T23N R13E sw/sw sec 4. Grizzly Valley quad. NW side of rd 24N07, ca. 1 mi NW of Smith Peak Lookout, ca. 7 mi NE of Blairsden. Open gravelly slope in Sagebrush Scrub; 6800 ft elev. 2073 Comment
  UC1101054  Hastingsia alba Malcolm A. Nobs, S. Galen Smith 1949-8-19 1431 Plumas Butterfly Valley Comment
  CAS-BOT-BC508332  Hastingsia alba Alice Eastwood 1927-6-13 14556 Plumas Forest Lodge, Greenville Comment
  RSA0009456  Hastingsia alba Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC45005  Helenium bigelovii Lowell Ahart 1979-8-16 2014 Plumas In a bog, about 100 yards east of Ohio Ravine, east of the dirt road, about 2 1/4 air miles south of Grizzly Mountain. 1767 Comment
  CHSC59689  Helenium bigelovii L. P. Janeway 1992-8-30 4301 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. Slope on west side of valley. 1889 Comment
  JEPS1764  Helianthella californica subsp. nevadensis Milo S. Baker 1952-5-27 12469 Plumas near drinking fountain (15 mi below Belden); Feather River Canyon Comment
  CAS-BOT-BC314795  Helianthella californica var. nevadensis David D. Keck 1932-7-3 1651 Plumas South of town, Quincy, Northern Sierra Nevada 1219 Comment
  CAS-BOT-BC314801  Helianthella californica var. nevadensis John Thomas Howell; H. Keith Wagnon 1980-5-28 53697 Plumas Near Twain, East Branch North Fork Feather River, Sierra Nevada 914 Comment
  RSA0009330  Helianthella californica var. nevadensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC315024  Hemizonella minima Lewis S. Rose 1954-5-30 54058 Plumas Johnsville 1600 Comment
  CAS-BOT-BC315021  Hemizonella minima Susan J. Bainbridge 1988-7-14 s.n. Plumas 0.7 miles south on Forest Service Road 24N08 from junction with County Road 111, Plumas National Forest Comment
  CDA3756  Hesperis matronalis J. T. Howell, G. H. True 1967-7-11 43380 Plumas Quincy. Comment
  CDA13372  Hesperolinon micranthum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13221 Plumas Sierra Nevada; E side of Sloat Rd. Inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  SD131837  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester. 1463 Comment
  UCD110560  Hesperolinon micranthum Helen K. Sharsmith 1955-6-28 4521 Plumas About one mile below Virgilia, East Branch of North Fork of Feather River. 762 Comment
  JEPS110545  Heterocodon rariflorum Lowell Ahart 2006-10-23 13477 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  JEPS114525  Heterocodon rariflorum Lowell Ahart 2008-8-14 15209 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoi 1600 Comment
  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
  CDA17238  Heterotheca villosa G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16341 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  SEINET10475338  Heterotheca villosa var. hispida Mary Susan Taylor 1981-7-13 Taylor 4005 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  CHSC84523  Heterotheca villosa var. minor John Dittes; Lowell Ahart 2003-8-8 2003 -80 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. 1488 Comment
  CAS-BOT-BC312285  Heterotheca villosa var. minor Matt Lavin 1983-6-2 4419 Plumas Sierra Valley just S of Vinton 1524 Comment
  CAS-BOT-BC424171  Heuchera micrantha var. erubescens Lewis S. Rose 1969-6-23 69045 Plumas La Porte Road, 10 mi SW of Quincy 1249 Comment
  SEINET2431542 Image available Heuchera rubescens var. alpicola J. Ewan 1934-6-26 8294 Plumas Frazier Creek Falls. Gold Lake road. 1830 Comment
  SEINET1915173 Image available Heuchera rubescens var. versicolor J. A. Ewan 1934-6-26 8293 Plumas Frazier Creek Falls, Gold Lake Road 1829 Comment
  JEPS115089  Hieracium albiflorum Lowell Ahart, John Dittes 2009-7-13 16053 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-BC319613  Hieracium albiflorum W. R. Ernst 1957-8-9 205 Plumas Near Devils Kitchen, Mt. Lassen National Volcanic Park Comment
  CAS-BOT-BC318521  Hieracium bolanderi John Thomas Howell 1951-6-28 27716 Plumas Eureka Peak 2255 Comment
  SD130501  Hippuris vulgaris Fred Sommers 1976-8-23 225 Plumas Sierra Valley Marsh 1524 Comment
  RSA0016765  Hippuris vulgaris Robert F. Thorne, C. W. Tilforth 1969-9-6 39234 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  SEINET10457160  Hippuris vulgaris Mary Susan Taylor 1982-8-17 Taylor 5008 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  CAS-BOT-BC289228  Holcus lanatus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1685 Plumas Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  UC1128014  Holodiscus discolor F. W. Embree 1934-6-21 116 Plumas Penstock above Storie (Plumas National Forest); , Penstock 1478 Comment
  SBBG32410  Hordeum brachyantherum L. S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  CAS-BOT-BC284645  Hordeum brachyantherum subsp. brachyantherum M. S. Taylor 1982-6-28 4768 Plumas On n side of Feather River, ca. 1/4 mi w of Calpine Rd (109), Ramelli Ranch, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC284653  Hordeum brachyantherum subsp. brachyantherum Lewis S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  CHSC57450  Horkelia fusca subsp. parviflora L. P. Janeway; Garrett Gibson 1991-6-24 4060 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  CHSC61616  Horkelia fusca subsp. parviflora Arthur C. Barrett 1915-7-14 34 Plumas Boulder Cr. Sta. meadow. 1645 Comment
  JEPS106054  Horkelia fusca subsp. parviflora Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11061 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  RSA59238  Horkelia fusca subsp. parviflora E. K. Balls 1950-8-31 15526 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1098 Comment
  RSA726375  Horkelia fusca subsp. parviflora L. Ahart, Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CDA28656  Horkelia fusca subsp. parviflora G. D. Barbe 1981-6-23 3116 Plumas 0.25 of a mile west of Round Valley Reservoir Dam at northwest shore of the reservoir. Comment
  UC595080  Horkelia fusca subsp. parviflora David D. Keck with X. and A. Gustafsson 1938-8-9 4904 Plumas 3 mi s Beckwith (on rd to Loyalton); Sierra Valley 1490 Comment
  CAS-BOT-BC537873  Horkelia fusca var. parviflora Rimo Bacigalupi 1927-7-11 1714 Plumas Gold Lake Region: Near Grassy Lake Meadows 1889 Comment
  SJSU14715  Horkelia fusca var. parviflora N. A. Hopkins 1991-7-3 1705 Plumas by rd to Janesville 15 mi N of junction with Beckwourth-Genesee Rd 1524 Comment
  RSA77983  Horkelia tridentata Verne Grant, Alva Grant 1948-6-13 8581 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  OBI76973  Horkelia tridentata subsp. flavescens Anthony Baniaga 2011-7-26 467 Plumas Lassen Natl Forest. Hairpin turn of F.S. 10, 1/2 mi NW of rock Spring. Red Cinder quad T29N R7E sec 2 NW of SW 1817 Comment
  RSA113223  Horkelia tridentata subsp. flavescens E. K. Balls, Lee W. Lenz 1955-5-14 20709 Plumas 1.5 mi. n. of Greenville along road to Lake Almanor, Hwy. 89. 1128 Comment
  SEINET6767977  Horkelia tridentata subsp. flavescens E. Brooks 1927-5-9 s.n. Plumas Sierra Nevada; 80 miles N of Reno. Comment
  CAS-BOT-BC536282  Horkelia tridentata var. tridentata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1483 Plumas Trestle Glen, Butterfly Botanical Area and Vicinity 1112 Comment
  CHSC34872  Hosackia oblongifolia var. oblongifolia M. S. Taylor 1981-7-29 4148 Plumas Along creek crossing 25N42-Flournoy Grade, 0.2 mi n of North brnach of Ward Creek, ca. 5 air mi se of Genesee. 1828 Comment
  UC1278090  Hydrophyllum capitatum var. alpinum B. Crampton 1954-5-10 1866 Plumas 0.25 mi e Portola (along State Highway 24) 1472 Comment
  CHSC46636  Hydrophyllum occidentale Lowell Ahart 1989-7-2 6352 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
  UCSB16024  Hydrophyllum occidentale Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  JEPS3228  Hydrophyllum occidentale John Warren Duffield 1937-5-29 Plumas n of Meadow Valley (along road into U.C. Forestry Summer School) Comment
  SEINET10497074  Hydrophyllum occidentale Mary Susan Taylor 1982-5-25 Taylor 4522 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  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
  CAS-BOT-BC401436  Hypericum scouleri Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC88620  Idahoa scapigera Mrs. Ellwood Cooper s.n. Plumas Sierra Valley. Comment
  UC1123694  Ipomopsis aggregata C. W. Hanks 1934-8-31 67 Plumas hills ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle 1676 Comment
  UCD149532  Ipomopsis congesta subsp. montana G. L. Stebbins 1970-7-24 7081 Plumas Ridge south of Round Lake. Lakes Basin area. (Exact location unknown. Coordinates estimated by label maker.) 2286 Comment
  CAS-BOT-BC135735  Iris hartwegii Mary Strong Clemens 1920-5-4 s.n. Plumas Greenville Comment
  SEINET8752714  Iris hartwegii P. A. Lehenbauer 1933-5-30 2098 Plumas Near Quincy Comment
  CHSC37023  Iris hartwegii subsp. pinetorum M. S. Taylor 1982-6-1 4584 Plumas N side of 204, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 1402 Comment
  SEINET10469755  Iris missouriensis Mary Susan Taylor 1982-6-10 Taylor 4636 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
  CHSC57452  Ivesia sericoleuca L. P. Janeway; Garrett Gibson 1991-7-1 4064 Plumas Plumas National Forest. North side of Middle Fork Feather River, south side of Hwy 70; at Delleker, ca 1 mi west of Portola. In pasture. 1472 Comment
  CAS-BOT-BC109969  Juncus C. Etienne 1969-7-26 296 Plumas Along quiet pond off Middle Fork of Feather River Highway 89 near Graeagle next to Feather River Park Resort entrance. 1280 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
  CHSC113882  Juncus bufonius var. bufonius Lowell Ahart 2014-8-26 19780 Plumas Silt bars on the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA0113967  Juncus bufonius var. occidentalis Lowell A. Ahart 2008-7-9 15050 Plumas About 20 yards east of the dirt road, about 0.25 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
  RSA59906  Juncus bufonius var. occidentalis E. K. Balls 1950-9-14 15821 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  UCD141415  Juncus bufonius var. occidentalis John Thomas Howell 1960-7-21 35810 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1828 Comment
  CHSC108041  Juncus covillei L. P. Janeway 2011-9-22 10739 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above water line. 1468 Comment
  JEPS114931  Juncus covillei Lowell Ahart 2008-7-9 15059 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 1645 Comment
  CHSC112598  Juncus ensifolius Lowell Ahart 2013-8-23 19019 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  CHSC32880  Juncus ensifolius L. Ahart 1980-9-17 2656 Plumas On the ne side of the small lake about 0.5 mi w of Fowler Peak. 1600 Comment
  CHSC52750  Juncus ensifolius L. P. Janeway 1990-8-29 3844 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Between marshy area and dirt road. 1905 Comment
  CHSC52752  Juncus ensifolius Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  RSA0118745  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas On the west side 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
  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
  SEINET10472443  Juncus hemiendytus Lowell Ahart 1985-7-11 Ahart 5135 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
  SEINET11787641  Juncus hemiendytus Unknown 1985-1 5135 Plumas LIttle Grass Valley Res, where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 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
  CHSC102838  Juncus howellii Lowell Ahart; John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  JEPS115910  Juncus howellii Lowell Ahart, John Dittes 2009-7-27 16177 Plumas High bank on the north side of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS113844  Juncus laccatus Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  JEPS88974  Juncus longistylis Leland S. Smith 1927-8-10 2190 Plumas w end Gold Lake; Tahoe National Forest 2194 Comment
  CHSC24253  Juncus macrandrus K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC49618  Juncus mertensianus Vernon Oswald 1984-6-25 1319 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. In meadow. 1889 Comment
  CHSC58533  Juncus mertensianus Vernon H. Oswald; Lowell Ahart 1992-7-9 5095 Plumas Lassen Volcanic Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. At the edge of the woods bordering the S side of the deeper (middle) pond. 2078 Comment
  RSA29854  Juncus mexicanus J. T. Howell 1951-6-27 27570 Plumas Johnsville; Sierra Nevada 1585 Comment
  CHSC47569  Juncus nevadensis Lowell Ahart 1979-7-18 1978 Plumas Along the bank of Onion Valley Creek, east of the Quincy La Porte Road before it crosses the creek, about 1 mile west of Pilot Peak, about 12 miles north of La Porte. 1767 Comment
  CHSC100340  Juncus occidentalis Lowell Ahart 2008-7-9 15055 Plumas On the north side of the dirt road, about 1/4 mile southeeast of the Feather Fork Mine, road is east of the main road (intersection) and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  CDA34083  Juncus orthophyllus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CHSC100328  Juncus orthophyllus Lowell Ahart 2008-7-9 15056 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1645 Comment
  SEINET13709843  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 8899 Plumas Small Branch of Butt Creek, 2.5 Mi. N of Humboldt Summit (T27N, R5E, sec 20, NW 1/4) 6000 Ft. 1829 Comment
  JEPS114806  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC113840  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, high west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC65859  Juncus tenuis L. P. Janeway 1995-10-25 4950 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC21594  Kalmia polifolia subsp. microphylla L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Comment
  RSA71286  Keckiella breviflora subsp. glabrisepala L. S. Rose 1951-6-24 51080 Plumas Feather River canyon, near Rock Creek. 550 Comment
  CAS-BOT-BC235661  Keckiella breviflora var. glabrisepala Lewis S. Rose 1968-6-12 68110 Plumas Feather River Canyon, 4 mi. w. of Belden 609 Comment
  CAS-BOT-BC246165  Keckiella lemmonii John Thomas Howell 1966-7-26 42001 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River, Sierra Nevada 609 Comment
  JEPS115206  Keckiella lemmonii Lowell Ahart, John Dittes 2009-7-15 16099 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1594534  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5173 Plumas ca 2.25 air mi ese Pilot Peak (ca 9 air mi ne of La Porte, Forest Rd 23N10 between junction of 22N19 and Hopkins Creek) 1706 Comment
  JEPS12463  Kelloggia galioides W. L. Jepson 1939-8-16 19452 Plumas Bucks Valley 1584 Comment
  CAS-BOT-BC340351  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  CAS-BOT-BC340354  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  CHSC108048  Kyhosia bolanderi L. P. Janeway; B. Castro 2011-10-2 10754 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5010 m above high water line. 1542 Comment
  CAS-BOT-BC340347  Kyhosia bolanderi J. T. Vale 1988-10-3 s.n. Plumas Lakes Basin. Boggy area near Grey [Gray] Eagle Lodge 1645 Comment
  CAS-BOT-BC340414  Lactuca biennis John Thomas Howell 1973-7-9 49705 Plumas Near Indian Falls, Indian Creek 914 Comment
  CAS-BOT-BC341569  Lagophylla ramosissima John Thomas Howell 1959-9-24 34907 Plumas Crescent Mills 1066 Comment
  SBBG34030  Lagophylla ramosissima L. S. Rose 1969-6-24 Plumas Butterfly Valley, 3 mi W of Keddie 1158 Comment
  CAS-BOT-BC341577  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  SEINET10451848  Lathyrus lanszwertii subsp. aridus Mary Susan Taylor 1982-6-2 Taylor 4596 Plumas 5700 ft. T23N R12E nw sec 17. Johnsville quad. E side of 23N11, ca. 2 air mi e of Cromberg, just n of Cogswell Ravine. 1737 Comment
  UC176281  Lathyrus lanszwertii var. aridus A. A. Heller 1913-6-13 10851 Plumas Near Quincy Comment
  CAS-BOT-BC205059  Lathyrus sulphureus A. A. Heller; P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC205061  Lathyrus sulphureus Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC205064  Lathyrus sulphureus Mary Strong Clemens 1920-8-11 s.n. Plumas Greenville Comment
  CDA13934  Lathyrus sulphureus G. F. Hrusa, T. D. Wilfred 1997-6-26 13872 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CHSC41266  Layia glandulosa J. D. Jokerst 1984-5-13 2003 Plumas East end of Genesee Valley. Canyon of Indidan Creek, N of creek and S of Indian Cr. Rd. 1249 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
  RSA52859  Lepidium campestre R. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy. 1067 Comment
  SEINET5341389  Lepidium latifolium W. Harnach, N. Harnach 2000-8-23 993 Plumas Sierra Valley, 1/4 mile west of the intersection of Hwy 49 on Dyson Lane 1494 Comment
  POM186840  Lepidium perfoliatum D. D. Keck 1663 Plumas Quincy, within a few meters of the main street. Northern Sierra Nevada. 1065 Comment
  POM147142  Leptosiphon bicolor Alice Eastwood 1927-06 14664 Plumas Long Valley. United States Forest Reserve. Comment
  OBI11404  Leptosiphon bolanderi Lewis S. Rose 1967-6-2 Plumas Butterfly Valley, 3 mi. W of Keddie 1219 Comment
  RSA164301  Leptosiphon ciliatus Clare B. Hardham 1961-6-17 7510 Plumas South of Susanville 1677 Comment
  SEINET10971181  Lessingia nemaclada Mary Susan Taylor 1980-9-27 Taylor 3346 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  CAS-BOT-BC59614  Leucothoe davisiae Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC59617  Leucothoe davisiae Anna Head 1920-7-20 s.n. Plumas Lake Center Camp near Silver Lake. Feather River Region. 1981 Comment
  CHSC78480  Leucothoe davisiae Vernon H. Oswald 2000-7-29 9942 Plumas Forest Road 22N84X 1.4 mi east of La Porte-Quincy Hwy., ca. 0.25 mi (air) east-northeast of Pilot Peak. 2087 Comment
  SEINET7270548  Leucothoe davisiae C. D. Marsh 1914-8-28 11077 Plumas Quincy Comment
  RSA62071  Lewisia cantelovii G. B. Youngs 1943-6-3 s.n. Plumas 2.5 miles up Feather River Canyon form Belden. 915 Comment
  RSA697275  Lewisia cantelovii D. W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Highway 70 at Arch Rock Tunnel (about 25 air miles NE of Oroville) about 1 mile E of the Butte County line; Plumas National Forest. 564 Comment
  UCD101589  Lewisia cantelovii Jack Major 1966-7-10 s.n. Plumas Feather River Canyon, just east of Tobin (on US Alternate 40). 609 Comment
  CHSC76066  Lewisia nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3062 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  SD7937  Lewisia nevadensis Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC21599  Lewisia triphylla D. E. Brink Jr.; L. M. Mayer 1975-7-16 Plumas Found along a stream. Comment
  CAS-BOT-BC444563  Lewisia triphylla John Thomas Howell 1960-7-22 35920 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444572  Lewisia triphylla Elmer I. Applegate 1929-6-21 5804 Plumas Drakesbad, head of Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC283809  Leymus cinereus John Thomas Howell 1959-9-24 34898 Plumas Crescent Mills 1066 Comment
  CAS-BOT-BC274531  Leymus triticoides John Thomas Howell 1961-6-21 36625 Plumas Greenville Comment
  CAS-BOT-BC509348  Lilium kelleyanum M. S. Taylor; G. Rotta 1982-6-14 4669 Plumas Above Caribou Rd, 1.8 mi ne of Queen Lily Campground, ca 7 air mi ne of Beldon 853 Comment
  CHSC78402  Lilium pardalinum subsp. pardalinum Vernon H. Oswald 2000-6-9 9927 Plumas Caribou Road 1.6 mi north of Hwy. 70. 743 Comment
  CDA14678  Lilium pardalinum subsp. shastense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3122 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  LA22094  Lilium washingtonianum Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  CHSC102676  Limosella acaulis Lowell Ahart; John Dittes 2009-9-7 16402 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC246070  Limosella aquatica Lowell Ahart 1985-9-26 5171 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte 1584 Comment
  CDA19224  Linanthus ciliatus G. D. Barbe, T. C. Fuller 1982-6-17 3802 Plumas Plumas National Forest; Junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co line. 1371 Comment
  PASA754  Linanthus harknessii Margaret Stason 1932-6-22 Plumas Camp ground lake Almanor Comment
  SEINET14349128  Linanthus pungens W. Harnach, N. Harnach 1989-6-29 208 Plumas Beckwourth Pass on the N side of hwy 70 1539 Comment
  UC338835  Listera convallarioides Lemmon Plumas Butterfly and Tahoe Comment
  CHSC81407  Lithophragma parviflorum var. parviflorum L. P. Janeway 1996-5-7 4961 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CAS-BOT-BC428429  Lithophragma tenellum John Thomas Howell 1951-6-27 s.n. Plumas Jamison Creek 1828 Comment
  CHSC43748  Lithophragma tenellum Vernon Oswald 1986-6-6 2086 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  RSA88609  Lithophragma tenellum John T. Howell 1951-6-28 27691 Plumas Eureka Peak 1982 Comment
  SEINET12215667  Lithophragma tenellum Unknown 1978-1 15 Plumas ca 0.2 mi S jct Hwy 70 & Bucks Lake Rd, ca 0.5 mi NW of Boyle Ravine 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
  CHSC42313  Lomatium nevadense Oberholtzer 1986-3-26 Plumas Belden. 762 Comment
  SEINET5333493  Lomatium nevadense var. nevadense W. Harnach, N. Harnach 2000-4-24 879 Plumas Sierra Valley, 1 mile due south of Vinton, CA and .75 mile east of Hwy. 49 1515 Comment
  UC173182  Lomatium nudicaule Mrs. Austin 1882-7-24 131 Plumas Big Meadows Comment
  UC1400234  Lomatium piperi W. D. Dakan 1974-4-25 Plumas Portola 1478 Comment
  UC1732067  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas Dixie Creek, N side, along the road connection Road 26N70 to Road 28N01 Dixie Valley, W edge 1691 Comment
  JEPS95397  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CAS-BOT-BC240671  Lonicera interrupta Mary Strong Clemens 1920-6-29 s.n. Plumas Quincy Comment
  CAS-BOT-BC243909  Lonicera involucrata var. involucrata Elizabeth Parsons Hawver 1911-8-1 s.n. Plumas Ward Creek, log camp, Lake Tahoe Region Comment
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  RSA104132  Lotus oblongifolius var. nevadensis T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  SEINET10940037  Lotus oblongifolius var. nevadensis Mary Susan Taylor 1981-7-29 Taylor 4148 Plumas T25N R12E se 1/4 ne 1/4 sec 19 Genesse Valley quad. Along creek crossing 25N 42-Flournoy grade, 0.2 mi N of N branch of Ward Creek, ca. 5 air mi se of Genesse. Riparian wood on granite. 6000 ft. 1829 Comment
  SEINET13711122  Lotus purshianus Lowell William Ahart, Lowell William Ahart 2001-1 9261 Plumas Little Last Chance Creek, on Strand of Frenchman Lake (T24N, R16E, S 8, SE 1/4) 5580 Ft. 1701 Comment
  RSA31787  Lotus unifoliolatus A. A. Heller 1938-7-2 15231 Plumas Along the highway north of Quincy near the bridge over Spanish Creek. 1067 Comment
  RSA59274  Lotus unifoliolatus E. K. Balls 1950-8-31 15568 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  UC725747  Lupinus A. A. Heller 1907-7-2 8685 Plumas between Vinton and Beckwith; between Vinton and Beckwith 1493 Comment
  UC82076  Lupinus Mrs. R. M. Austin July 1879 38 Plumas Comment
  CAS-BOT-BC201257  Lupinus W. Harnach; N. Harnach 1990-6-16 380 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  SEINET8057821  Lupinus P. A. Lehenbauer 1937-5-30 s.n. Plumas On Feather River 60 miles north of Reno, near Feather River Inn Comment
  RSA0077086  Lupinus adsurgens Daisie Huang 2006-8-11 06081105 Plumas Quincy-La Porte Rd.13536.75 Comment
  CDA14745  Lupinus albicaulis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3291 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CHSC52415  Lupinus albicaulis var. shastensis L. P. Janeway 1990-6-26 3724 Plumas Plumas National Forest. Ridge between Pine Creek and Squirrel Cr, ca 1.1 air mi N of Greenhorn Cr and ca 1.8 air mi NE of Hwy 70/89; vicinity of Spring Garden. 1524 Comment
  CDA27355  Lupinus albicaulis var. shastensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3084 Plumas East of Lariat Motel, East Quincy. Comment
  SEINET5327645  Lupinus andersonii var. apertus M. J. Williams, Emily McPherson 1974-8-5 74 P-12 Plumas Lake's Basin, Trail from Silver Lake to Mt. Elwell. 2134 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  JEPS106190  Lupinus apertus Lowell Ahart, Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  UC384657  Lupinus arbustus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 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
  CAS-BOT-BC208795  Lupinus argenteus var. heteranthus L. P. Janeway 1989-6-22 3370 Plumas Eastern side of Crocker Mtn. above Crocker Mdw., along rd 24N49Y 1798 Comment
  CAS-BOT-BC208801  Lupinus argenteus var. heteranthus G. H. True 1938-7-6 s.n. Plumas Top of Milford Grade Comment
  CAS-BOT-BC208804  Lupinus argenteus var. heteranthus Alice Eastwood 1927-6-29 14933 Plumas On rood from Chilcott, United States Forest Reserve Comment
  CHSC36861  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-28 4754 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  SEINET5327874  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1989-5-22 114 Plumas Sierra Valley; E side of Co. Rd. A-23 across from road to Barry corrals 1494 Comment
  SEINET5327970  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-5-12 293 Plumas Sierra Valley. T22N R14E S23NE of NE1/4. Wilson brothers ground, south of Marble Lane, on Co. Rd. A-23 (the rock pile). 1515 Comment
  SEINET8080372  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  SEINET7063469 Image available Lupinus bicolor A. G. Vestal 1947-3-31 s.n. Plumas Grassy road shoulder in Warner Valley along Warner Creek. UTM Zone 10, 643846mE, 4469696mN. (WGS84/NAD83). 1535 Comment
  CAS-BOT-BC196669  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  CAS-BOT-BC196677  Lupinus breweri var. breweri M. S. Taylor 1982-6-1 4578 Plumas Openings on n side of spur rd (27N39), off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville 1524 Comment
  CHSC112062  Lupinus breweri var. breweri L. P. Janeway 2014-7-15 11527 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, in the middle of Happy Valley. 1754 Comment
  RSA107395  Lupinus caudatus L. S. Rose 1955-7-19 55143 Plumas Beckworth 1494 Comment
  POM253164  Lupinus confertus A. A. Heller 1938-6-14 15160 Plumas Along the feather river Hwy near Grays flat. 869 Comment
  HSC76458  Lupinus confertus W. E. Harmon 1969-8-18 1566 Plumas Beckworth Pass, 1/2 mi. W. Comment
  CAS-BOT-BC215127  Lupinus dalesiae Elmer I. Applegate 1934-5-3 8907 Plumas 6 miles NW of Quincy Comment
  CAS-BOT-BC215378  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mile W of its junction with Bell Bar Creek Road (23N50Y) 1493 Comment
  CAS-BOT-BC215387  Lupinus dalesiae M. S. Taylor 1982-6-27 4546 Plumas W side of Bucks Lake-Spanish Creek Road across from 1084 residence in Meadow Valley 1127 Comment
  CAS-BOT-BC215421  Lupinus dalesiae Walter & Irja Knight 1968-6-18 2334 Plumas Road between La Porte and Quincy 1859 Comment
  CAS-BOT-BC215424  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Meadow Valley, 2.2 miles E Quincy Road Comment
  CHSC35911  Lupinus dalesiae M. S. Taylor 1982-6-16 4688 Plumas W side of 24N13, 0.5 mi s of its jct with Quincy-LaPorte Rd, ca. 4 air mi se of Quincy. 1645 Comment
  CHSC98991  Lupinus dalesiae Lowell Ahart 2008-6-5 14810 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/3 miles northeast of Little Grass Valley Reservoir. 1645 Comment
  JEPS105987  Lupinus dalesiae Lowell Ahart, Josephine Guardino 2004-5-24 10950 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
  UC1075742  Lupinus dalesiae Robert J. Weatherby 1955-7-26 1660 Plumas near Meadow Valley (Spanish Peak); , near Meadow Valley 2164 Comment
  UC727011  Lupinus dalesiae A. A. Heller 1941-5-22 16142 Plumas outside Quincy (just n of Spanish Creek); just n of Spanish Creek Comment
  CAS-BOT-BC215407  Lupinus dalesiae Charles Piper Smith 1921-7-14 3424 Plumas Campground hillside, Quincy Comment
  SEINET10452054  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4814 Plumas T22N R11E sw/sw sec 4 & ne/se sec 5. Blue Nose Mt quad. Along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadows Rd, ca. 6 air mi w of Mohawk. Mixed Conif Forest; 6800 ft. 2072 Comment
  SEINET10452069  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4557 Plumas T24N R9E sw/ne sec 17. Quincy quad. S side of Bucks Lake Rd, 2.6 mi sw of its jct with Hwy 70 in Quincy. 3600 ft. 1097 Comment
  SEINET10485201  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4528 Plumas T23n r11e ne1/4se/14 sec 17. Blue nose mt quad. Corolla yellow. Steep Roadcut on phyllite, w side of peoria creek rd (23n10), 2.1 - 2.2 mi. W of its Jct with poplar creek near sloat. With acer macrophyllum, calocedrus Decurrens. 1341 Comment
  SEINET10937075  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24n r10e nw1/4sw1/4 sec 33. Spring garden quad. Corolla yellow. Mixed Evergreen forest, on open bare phyllite roadcut, n side of 24n26, 0.5 mi. W of Its jct with quincy-laporte rd, ca 3 mi. Se of quincy. With lathyrus Nevadensis. 1646 Comment
  SEINET10970248  Lupinus dalesiae Mary Susan Taylor 1982-6-21 Taylor 4887 Plumas T24n r10e e1/2se1/4 sec 7. Quincy quad. American valley, on ne side of hills S of greenhorn creek, ca 1.5 mi. Ne of quincy. Mixed evergreen forest; with Erigonum nudum, lupinus grayi, apocynum pumilum. 1067 Comment
  SD126364  Lupinus formosus var. bridgesii P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas Along roadside of Highway 89, 5.0 miles north of Junction of Highway 70 and 89. 1067 Comment
  JEPS85926  Lupinus grayi L. P. Janeway 1990-6-6 3699 Plumas ca 1/2 mi e Rattlesnake Creek (and ca 1/2 mi n of Hwy 70/89, vicinity of Sloat, forested flat on n side of Long Valley); Plumas National Forest, Mt. Ingalls Quad. 1356 Comment
  RSA715534  Lupinus grayi John Dittes, Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  SEINET10483998  Lupinus grayi Mary Susan Taylor 1981-5-10 Taylor 3662 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET10490337  Lupinus grayi Mary Susan Taylor 1982-6-17 Taylor 4693 Plumas T23n r11e ne1/4se1/4 sec 18. Blue nose mt quad. Open bare foadbank, s side of T23n44y, 1.8 mi w of its jct with bell bar creek rd (23n50y), ca 2 air mi. Sw Of sloat. 1524 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
  SEINET10837724  Lupinus grayi Duane Isely, I. Isely 1971-7-13 Isely 11397 Plumas Spring garden. Fls. Lt. Purple to pale lavender; standard recurved ca 45 Degrees. 1216 Comment
  CHSC37521  Lupinus lepidus var. confertus M. S. Taylor 1982-8-10 4960 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CHSC40861  Lupinus lepidus var. confertus K. R. Stern 1985-6-25 8233 Plumas Vicinity of Blairsden. 1371 Comment
  UC149942  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  UC85078  Lupinus lepidus var. confertus Mrs. Austin 1882-7-25 Plumas Big Meadows Comment
  UC1482892  Lupinus lepidus var. sellulus LeDoux, Dunn and Conrad 1973-6-5 1082 Plumas jct. Hwy 70 and Twain Road 1066 Comment
  UCD109312  Lupinus obtusilobus Jim McHenry 1991-1 s.n. Plumas ca. 45 miles east of Oroville. 1524 Comment
  RSA104336  Lupinus onustus Marcus E. Jones 1887-6-26 s.n. Plumas Perkins Ranch, Susanville. 1463 Comment
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Feb 25 2016
  CAS-BOT-BC323948  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-7 4787 A Plumas Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca 1 mi W of Blairsden. 1341 Comment
  SEINET10484151  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-14 Taylor 4832 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  UC1129725  Lupinus polyphyllus var. burkei A. E. Wieslander 1929-6-18 102 Plumas between Constantia and Doyle; Sierraville Quad. Comment
  SEINET10490886  Lupinus sellulus var. sellulus Charles Piper Smith 1921-7-14 Smith 3425 Plumas Quincy - near church. Comment
  CHSC85993  Luzula comosa var. laxa L. P. Janeway 2003-7-19 7908 Plumas High Cascade Range. Along the south edge of Little Willow Lake. Just above high water line. 1831 Comment
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Oct 3 2006
  JEPS28609  Luzula comosa var. laxa George W. Gillett 1957-7-17 787 Plumas Lassen Volcanic National Park, Willow Lake 1767 Comment
  CAS-BOT-BC436677  Luzula comosa var. laxa F. Thos. Griggs 1975-6-1 151 Plumas Sierra Nevada: Bucks Lake area Comment
  JEPS101279  Luzula divaricata Dean W. Taylor 1974-10-1 5047 Plumas Wade Lake, Jamison Creek drainage, ca. 3 miles South of Plumas-Eureka State Park 1950 Comment
  UC1584576  Lycopus uniflorus Dean W. Taylor 1990-8-20 11463 Plumas along minor unnamed tributary Little Willow Lake; Lassen Volcanic Nat'l Park, Reading Peak 7 1/2' Quad. 1844 Comment
  CDA5105  Lythrum portula L. Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 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
  JEPS110332  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  SEINET10473901  Machaeranthera canescens Mary Susan Taylor 1982-8-18 Taylor 5051 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  SD8620  Madia elegans Daniel Cleveland 1882-7-24 Plumas Big Meadows Comment
  CDA8238  Madia exigua D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .271 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC75460  Madia exigua G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3095 Plumas Northeast of county hospital, 1.8 miles north of Lawrence Street on Highway 70/89, Quincy. 1066 Comment
  CAS-BOT-BC344473  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather River, .5 mi. n. of Rich Bar 822 Comment
  RSA169399  Madia exigua L. S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather River, 0.5 miles north of Rich Bar. 823 Comment
  CAS-BOT-BC342856  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam 1371 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
  JEPS107862  Madia glomerata Lowell Ahart, Josephine Guardino 2005-8-9 12262 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  JEPS107878  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
  JEPS113592  Madia glomerata Lowell Ahart, Josephine Guardino 2007-7-20 14336 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SEINET3387478 Image available Madia glomerata Lewis S. Rose 1932-9-7 32642 Plumas Bear Lakes 1981 Comment
  CAS-BOT-BC343268  Madia gracilis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2107 Plumas Butterfly Botanical Area and Vicinity. Between valley proper and Darlingtonia bog 1066 Comment
  CDA43021  Madia gracilis L. Ahart 2009-7-21 16112 Plumas West of a man-made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  CDA8277  Madia gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3248 Plumas 2.5 miles (4 km) below summit on road to Mt. Hough, 0.4 mile northwest of China Grade. Comment
  SEINET6225029  Madia gracilis L. S. Rose 1967-1 67170 Plumas Plumas Co Comment
  UC942953  Madia gracilis Lewis S. Rose 1951-6-9 51070 Plumas 9 mi e Quincy 1219 Comment
  CHSC108106  Maianthemum racemosum Lowell Ahart 2011-9-20 17692 -A Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2001 Comment
  RSA508636  Maianthemum racemosum subsp. amplexicaule Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC512090  Maianthemum racemosum subsp. amplexicaule Anna Head 1920-6-13 s.n. Plumas Lake Center Camp; Feather River Region 1920 Comment
  CAS-BOT-BC512874  Maianthemum stellatum John Thomas Howell 1960-7-21 35845 Plumas Near Willow Lake 1676 Comment
  RSA0091377  Maianthemum stellatum Bonnie C. Templeton 1968-1 11296 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC324549  Malacothrix John Thomas Howell; H. Keith Wagnon 1980-5-28 53701 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River, Sierra Nevada 853 Comment
  CAS-BOT-BC347519  Malacothrix floccifera Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 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
  CDA23003  Malva neglecta G. D. Barbe 1981-6-23 3083 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC105206  Marsilea mucronata Barbara Ertter; Jeffrey Strachan 1980-7-31 3894 Plumas E side Red Clover Valley on Beckwourth - Milford Road, Plumas National Forest 1676 Comment
  JEPS102440  Marsilea vestita subsp. vestita Lowell Ahart 2001-10-8 9320 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC348170  Matricaria discoidea John Thomas Howell 1959-9-26 35046 Plumas Near Keddie 1005 Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CHSC76800  Medicago lupulina L. P. Janeway 1997-9-29 5365 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. 944 Comment
  CDA14038  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-8-1 13410 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC65149  Melica fugax Vernon H. Oswald; Lowell Ahart 1995-7-24 7125 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
  CHSC98306  Melica fugax L. P. Janeway 2007-6-3 9005 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  JEPS113797  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13993 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC1586418  Melica fugax Vernon H. Oswald and Lowell Ahart 1991-6-18 4691 Plumas ca 5.5 air mi n Greenville (nw side of Homer Lake); Homer Lake 1920 Comment
  CAS-BOT-BC281268  Melica geyeri John Thomas Howell; Gordon H. True; Walter & Irja Knight 1969-6-24 2431 Plumas Butterfly Botanical Area and Vicinity. Collected in vicinity of Butterfly Creek mouth 883 Comment
  CAS-BOT-BC264176  Melica subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54332 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road, Sierra Nevada 1341 Comment
  CAS-BOT-BC264183  Melica subulata Javier Penalosa 1962-6-19 2491 A Plumas Hwy. 40-89, +-6.2 mi. SE of Quincy 1097 Comment
  CHSC103124  Melica subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  JEPS106339  Melica subulata Lowell Ahart 2004-7-27 11311 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  SEINET3152165  Mentha arvensis E. K. Balls 1950-9-15 15839 Plumas N Fork Feather River, 6 mi. NW of Chester 1402 Comment
  CHSC118713  Mentha arvensis Wendy L. Boes 2015-6-24 2015026 A Plumas Plumas National Forest. Located near Moonlight Valley, south of Forest Service road 28N30C, northwest of 27N72 UTM 688052 E, 4451991 N, NAD83 Zone 10N. 1825 Comment
  UC924234  Mentha canadensis H. S. Reed 1941-8-4 Plumas Red Lake 1158 Comment
  JEPS121751  Mentha spicata B. Castro and L. P. Janeway 2007-8-18 1672 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and William Loop (railroad). Comment
  JEPS16778  Mentha spicata Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4350 Plumas northern limits Taylorsville 1079 Comment
  UC1121650  Mentzelia montana E. Sawyer 1935-6-10 92 Plumas 5 1/4 mi W of Summit; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC170848  Mentzelia veatchiana W. Harnach; N. Harnach 1990-6-16 384 Plumas Frank Dotta Ranch, Sierra Valley 1524 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
  CHSC21199  Menyanthes trifoliata F. T. Griggs; A. Pass 1975-7-17 212 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 1676 Comment
  CHSC54405  Menyanthes trifoliata Vernon H. Oswald 1991-6-17 4671 Plumas Lassen Volcanic National Park. Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. Common in shallow water and on quaking bogs in the lake. 1844 Comment
  CDA13422  Mertensia ciliata var. stomatechoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13270 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC428539  Micranthes aprica John Thomas Howell 1951-6-28 27688 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC428885  Micranthes californica Barbara Sherfey 1962-5-1 s.n. Plumas Feather River Canyon. Comment
  CAS-BOT-BC429030  Micranthes nidifica Lowell Ahart 1987-5-19 5657 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 8 miles north-east of La Porte 1706 Comment
  CAS-BOT-BC429238  Micranthes oregana E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  SBBG32412  Micropus californicus var. californicus L. S. Rose 1968-6-11 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  CAS-BOT-BC349334  Microseris nutans John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2086 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC349352  Microseris nutans Rimo Bacigalupi 1927-7-11 1617 Plumas Near Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CDA18695  Microseris nutans G. D. Barbe, T. C. Fuller 1982-6-15 3702 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UCD134544  Microseris nutans Alan a. Beetle 1941-6-28 2790 Plumas west side of Lake Amanor. Comment
  CHSC116571  Microsteris gracilis L. P. Janeway; Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  SEINET10830509  Mimulus breweri Mary Susan Taylor 1982-8-5 Taylor 4936 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  UC711915  Mimulus breweri Roxana S. Ferris and Laura Lorraine 1941-8-9 10432 Plumas about 2 1/2 mi from Lake Almanor Public Camp (State Highway #89 on road to Chester) Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  RSA59263  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas Spanish Creek off Hwy 24, just north of Quincy. 1067 Comment
  JEPS10452  Mimulus guttatus Helen-Mar Wheeler 1944-8-23 Plumas near Cascade settlement; Cascade Creek 1249 Comment
  POM147037  Mimulus guttatus Alice Eastwood 1927-06 14559 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  RSA59677  Mimulus guttatus E. K. Balls 1950-9-9 15746 Plumas West of Lakes Center Public Campground in small creek running into south end of small lake. 2043 Comment
  SEINET10570353  Mimulus guttatus Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5179 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
  UC149929  Mimulus moniliformis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  UCSB45771  Mimulus moschatus Reisentz, Paul 1979-5-12 Plumas 12 miles south on Highway 70 from the junction of Highway 70 and Highway 89; 8 miles north of North Fork Camp Road Comment
  RSA39887  Mimulus nanus var. mephiticus P. A. Munz 1947-5-16 11831 Plumas 8 miles north of Chilcoot. 1524 Comment
  UCD122882  Mimulus primuloides John Thomas Howell 1960-7-23 35952 Plumas near Soda Springs, Drakesbad. 1676 Comment
  UCR137171  Mimulus primuloides Larry E. DeBuhr, G. D. Wallace 1972-5-21 591 Plumas Butterfly Valley, Plumas National Forest, at pond resevoir in Butterfly Valley about 1 mile SW of Keddie 1037 Comment
  RSA535785  Mimulus pygmaeus David M. Thompson 1988-6-9 940 Plumas S side Lake Almanor, 0.1 mile SSw of entrance to South Almanor Campground along main road. 1390 Comment
  CDA41727  Mimulus tilingii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3338 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  JEPS14995  Mimulus torreyi G. Burks 1933-8-8 22 Plumas 4 mi e and 1 1/4 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC1509622  Minuartia nuttallii subsp. gracilis M. S. Taylor 1982-6-1 4583 Plumas ca 1 air mi se Long Valley Mine (n side of 204, 4 air mi w of Greenville); Almanor NE quad. 1524 Comment
  RSA121479  Mitella breweri A. Lewis 1934-6-18 489 Plumas 1 mile NW of Whiskey Diggins 1402 Comment
  CHSC113857  Mollugo verticillata Lowell Ahart 2014-9-9 19850 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
  CHSC67671  Monardella follettii James D. Jokerst 1985-9-15 2580 Plumas Grizzly Creek Hydro Transmission Line Project, top of steep slope near Rd. 26N26 in Yellow Creek Canyon. 1463 Comment
  SJSU15259  Monardella follettii S. Woolhouse 2009-7-26 8 Plumas Just east of forest service road 24N31. Meadow Valley Quad T24NR8ES24. Comment
  SEINET10582333  Monardella follettii A. Graff 1993-7-22 Graff 304 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
  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
  HSC14287  Monardella lanceolata W. R. Rogers 1966-6-6 238 Plumas Ferris Creek Comment
  CHSC52043  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  CHSC82555  Monardella odoratissima subsp. pallida Lowell Ahart 2002-7-18 9857 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  POM161710  Monardella odoratissima subsp. pallida R. C. Bacigalupi 1927-7-7 1642 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  UC2035861  Monardella odoratissima subsp. pallida Berry Campbell 1929-6-20 734 Plumas Lake Almanor 1402 Comment
  JEPS51858  Monardella odoratissima subsp. pallida Duncan Dunning 1921-8-11 Plumas top of mountain above Little Grizzly Valley (on Sterling to Almanor road) Comment
  UCSB63979  Monardella odoratissima subsp. pallida Jokerst, James 1987-5-28 Plumas Ward Creek Canyon on steep, rocky edge SW of creek; T25N R11E center S 1/2 Sect. 23 1463 Comment
  CHSC52051  Monardella sheltonii L. P. Janeway 1989-6-23 3397 Plumas Plumas National Forest. Along hwy 70/89 near Camp Layman Rd, 1.1 mi S of Jackson Cr. 1310 Comment
  CAS-BOT-BC220479  Monardella sheltonii A. A. Heller; P. B. Kennedy 1907-7-12 8824 Plumas Near Greenville Comment
  SEINET10582343  Monardella sheltonii A. Graff 1993-7-22 Graff 300 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10829414  Monardella sheltonii A. Graff 1993-7-21 Graff 283 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET10961427  Monardella sheltonii A. Graff 1993-7-21 Graff 286 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  PASA1146  Monardella villosa Margaret Stason 1932-6-22 Plumas Roadside, Lake Almanor Comment
  SEINET10862283  Monardella villosa subsp. villosa A. Graff 1993-7-22 Graff 322 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from Hwy. 70, on both sides of the road. T25N,R7E,S17. Locally infrequent, with Pseudotsuga menziesii, Pinus ponderosa, Quercus sp. Comment
  CDA14594  Montia chamissoi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3078 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UC83805  Montia chamissoi T. S. Brandegee 1892-7-3 Plumas Prattville Comment
  CHSC97543  Montia linearis Lowell Ahart; John Dittes 2007-6-16 14087 Plumas Meadow area on the sides of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  OBI10796  Montia linearis Lewis S. Rose 1967-6-11 67104 Plumas Quincy 1036 Comment
  SEINET3840866  Montia linearis G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3847 Plumas East shore of Frenchman Lake, Crystal Fishing Access, marshy arm of the lake at the parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CAS-BOT-BC445082  Montia linearis M. S. Taylor 1982-5-6 4409 Plumas Ca. 3/4 mi ne of 24N29, ca. 1 mi e of Meadow Valley. 1158 Comment
  CAS-BOT-BC445096  Montia linearis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-8 1800 Plumas Butterfly Botanical Area and Vicinity. Butterfly Valley meadow 1066 Comment
  RSA189424  Montia linearis L. S. Rose 1967-6-11 67104 Plumas Quincy. 1037 Comment
  SEINET10572661  Montia linearis Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3835 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CAS-BOT-BC445192  Montia parvifolia Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River Region Comment
  CHSC21710  Montia parvifolia F. T. Griggs; A. Pass 1975-7-8 96 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC54506  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1991-7-30 4797 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. Within the fence enclosure at the springs. 1310 Comment
  CAS-BOT-BC267005  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34846 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC267016  Muhlenbergia filiformis Roxana S. Ferris; Laura Lorraine 1941-8-9 10441 Plumas About 2.5 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester Comment
  CHSC102645  Muhlenbergia filiformis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16142 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
  CHSC81852  Muhlenbergia filiformis Lowell Ahart 2001-10-8 9314 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  SJSU4306  Muhlenbergia jonesii T. L. Erwin 1963-8-19 2 Plumas near Banner Creek S slope of Mt Harkness 7 mi NW of Chester 1676 Comment
  CHSC40459  Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  RSA107488  Muhlenbergia richardsonis L. S. Rose 1955-7-20 55161 Plumas Mohawk 1372 Comment
  CHSC80167  Myosotis discolor L. P. Janeway 1996-6-5 5000 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
  CDA40604  Myosotis laxa L. Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  POM252795  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. 1098 Comment
  RSA218997  Myosotis scorpioides J. L. Gentry Jr., David Vierig 1968-6-21 2084 Plumas 3.2 miles northwest of Hwy. jct. Calif. 89 & A15 on Calif. 89. Comment
  UC1101355  Myosurus apetalus Herbert L. Mason 1953-6-16 14555 Plumas meadow at head of Clover Valley; Dixie Mountains Comment
  CDA19267  Myosurus minimus G. D. Barbe, T. C. Fuller 1982-6-17 3843 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CHSC112573  Myosurus minimus B. Castro; L. P. Janeway 2007-6-8 1631 Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1 mi N of the mouth of McReynolds Creek at Clover Creek. W side of Thompson Creek, ca 500 ft below edge of open Ponderosa-Jeffrey pine forest. 1668 Comment
  CDA37311  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Lake Davis, Eagle Point. 0 Comment
  CHSC46615  Myriophyllum sibiricum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3907 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. In shallow water on the edge of a floating sphagnum bog. 1670 Comment
  SEINET10501564  Najas guadalupensis Mary Susan Taylor 1981-9-3 Taylor 4266 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  SEINET5520835  Nama densa var. densa W. Harnach, N. Harnach 1990-6-16 385 Plumas Sierra Valley. NNW of Vinton, Frank Dotta Ranch 1524 Comment
  RSA0058875  Nama lobbii Lowell A. Ahart 2008-7-9 15060 Plumas On the northeast side of a small stream, on the northwest side of the good logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1646 Comment
  UC1075740  Nama lobbii Robert J. Weatherby 1955-7-21 1656 Plumas ridge between Bottle Springs and Bear Creek (Middle Fork Feather River); , btw Bottle Springs-Bear Creek 1767 Comment
  SEINET12051522  Narthecium californicum W. Knight, Knight, T. 1991-1 6605 Plumas Butterfly Valley Botanical Preserve Comment
  CHSC97604  Navarretia breweri Lowell Ahart; John Dittes 2007-6-16 14094 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
  UC1563724  Navarretia breweri Barbara Ertter with Gary Schoolcraft 1989-7-3 8658 Plumas ca 8 air mi s Susanville (ridge between Red Rock and Diamond Mt) 2225 Comment
  UC572626  Navarretia breweri E. Sawyer 1935-6-27 211 Plumas Mouth of Dixie Valley Plumas National Forest, Sierraville Quad. 1554 Comment
  CHSC113889  Navarretia capillaris Lowell Ahart 2014-8-24 19761 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
  CHSC91908  Navarretia capillaris Lowell Ahart; Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC116106  Navarretia divaricata subsp. divaricata Lowell Ahart 2015-7-4 20288 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
  JEPS110189  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-3 12905 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the west edge of a dry open basalt flat 1527 Comment
  JEPS118685  Navarretia divaricata var. vividior L. P. Janeway 2011-7-6 10497 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. La Porte 7.5' quad. Comment
  CHSC45435  Navarretia intertexta subsp. propinqua Lowell Ahart 1981-7-24 2995 Plumas On the floor of a hydraulic mine, about 1 mile south of La Porte. 1463 Comment
  CHSC89818  Navarretia intertexta subsp. propinqua G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3179 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
  UC149993  Navarretia intertexta subsp. propinqua Katharine Brandegee 1911-7-31 Plumas Portola 1524 Comment
  CHSC36195  Navarretia leptalea M. S. Taylor 1982-7-8 4797 Plumas S bank of Feather River, Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  SBBG21890  Navarretia leptalea D. Myrick 1964-7-21 892 Plumas near parking area, Drakesbad 1737 Comment
  RSA59671  Navarretia leptalea subsp. bicolor E. K. Balls 1950-9-9 15739 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  UC306887  Navarretia leptalea subsp. leptalea unknown 1918-7-26 Plumas 300 ft above Mud Lake (Sierra Nevada); , above Mud Lake 2529 Comment
  CDA19261  Navarretia leucocephala subsp. minima G. D. Barbe, T. C. Fuller 1982-6-17 3849 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CHSC112564  Navarretia sinistra subsp. sinistra B. Castro; L. P. Janeway 2007-6-24 1646 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 of open Ponderosa-Jeffrey pine forest. 1674 Comment
  SEINET10972236  Nemacladus interior Rimo Bacigalupi, R. L. Hauke 1954-7-15 Bacigalupi 4729 Plumas At mouth of Rock Creek in Feather River Canyon (North Fork) 518 Comment
  CDA1156  Nemophila heterophylla D. G. Kelch, A. R. Smith, Andrew Murdock, Ruth Kirkpatrick 2006-6-2 6 .274 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  RSA726410  Nemophila parviflora var. austiniae L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13998 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CHSC87866  Nemophila pedunculata Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11059 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
  JEPS28632  Nemophila pedunculata George W. Gillett 1957-7-18 820 Plumas North end of Willow Lake Meadow Lassen Volcanic National Park, n end Willow Lake Meadow (near the main inlet, Lassen Volcanic National Park) 1661 Comment
  SEINET5520937  Nemophila pedunculata W. Harnach, N. Harnach 1989-3-29 008 Plumas Sierra Valley, hillside north of Barry corrals 1585 Comment
  SEINET10497061  Nemophila spatulata Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4194 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
  UC172028  Nepeta cataria H. M. Hall 1912-8-4 Plumas Quincy Comment
  CHSC48189  Nothocalais alpestris Vernon Oswald 1984-7-12 1574 Plumas Henry's Flat between Lotts Lake and Spring Valley Lake, ca. 4 mi e of Philbrook Reservoir. 1950 Comment
  CDA38179  Oenothera flava Fred H. Surber 1984-6-14 s.n. Plumas West of Vinton. 0 Comment
  UC1738843  Orcuttia tenuis Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13218 Plumas Highway 89 about 1 mile N of junction with Humbug-Humboldt Road, Lake Almanor region 1402 Comment
  JEPS96115  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-7-15 8048 Plumas just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  SD9061  Oreostemma alpigenum var. andersonii R. M. Austin 1879-1 Plumas Mt. Dyar, Big Meadows Comment
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Aug 6 2009
  CHSC116357  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  UC1037289  Orobanche corymbosa subsp. corymbosa Leo Whitney 1934-8-15 1698 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. Comment
  CAS-BOT-BC500310  Orobanche uniflora subsp. occidentalis Lowell Ahart 1983-7-20 4197 Plumas Near the Feather Fork Mine, La Porte; about 1/4 mi E of the mine; and ca. 5.5 mi N of La Porte 1800 Comment
  CHSC43507  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1979-7-18 1988 Plumas Growing along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1645 Comment
  CHSC60151  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; D. Mastalir 1992-7-23 459 Plumas Ca 4 air mi NW of N end of Frenchman Lake and 3 air mi N of Dixie Mtn, on flat-topped peak at headwaters of North Fork Ramelli Creek. 2328 Comment
  CHSC20775  Osmorhiza chilensis K. R. Stern 1975-7-24 5860 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC80793  Osmorhiza chilensis Lowell Ahart 2001-7-17 8913 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CAS-BOT-BC316894  Packera eurycephala var. lewisrosei John Thomas Howell 1973-7-9 49701 Plumas near Rich Bar 762 Comment
  CHSC101493  Packera streptanthifolia L. P. Janeway; David Toren 2009-8-19 9928 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, 1.8 km northeast of the Buckhorn survey monument, 0.5 km east of Cedar Flat; along the dry creek draining Faggs Reservoir to Willow Creek. 1684 Comment
  CHSC67450  Packera streptanthifolia Lowell Ahart 1979-7-18 X 2000 Plumas On the hill south of Onion Valley Reservoir, about one mile west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CAS-BOT-BC121006  Paeonia brownii Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region. 1920 Comment
  CAS-BOT-BC121015  Paeonia brownii J. T. Howell 1955-7-19 30751 Plumas Beckwourth 1493 Comment
  POM161729  Paeonia brownii R. C. Bacigalupi 1927-7-12 1729 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  SBBG115626  Panicum acuminatum B. Crampton 1964-8-25 7157 c Plumas Devils Kitchen, Hot Springs Crk cyn, ca. 1.5 mi W of Drakesbad 1859 Comment
  CHSC44248  Panicum acuminatum var. acuminatum Vernon Oswald 1988-7-5 3551 Plumas Devil's Kitchen in Lassen Volcanic Park. 1853 Comment
  RSA600532  Panicum acuminatum var. acuminatum L. C. Wheeler 1959-7-16 7575 Plumas Butterfly Valley. Comment
  UCD32832  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 c Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89956  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253746  Panicum capillare Lowell Ahart 1981-9-6 3078 Plumas 1.5 miles SW of Crescent Mills 1200 Comment
  RSA201355  Panicum capillare J. T. Howell 1960-7-20 35728 Plumas Drakesbad; Lasses Volcanic National Park 1677 Comment
  CAS-BOT-BC175581  Parnassia palustris H. E. Brown 1897-8-1 666 Plumas Near Lassen Buttes 1828 Comment
  CHSC58178  Pedicularis attollens Vernon H. Oswald 1992-6-18 5003 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd between Lee and Kelly camps. 1597 Comment
  UC1609194  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  LA209466  Pedicularis densiflora L. S. Rose; 1931-4-14 Plumas Woodleaf Comment
  UCR3598  Pedicularis racemosa Wm. Horn Jr. 1963-8-4 630811- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 0.5 west of UC Forestry Camp 1220 Comment
  CHSC36311  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas At end of 23N49Y, ca. 2 air mi w of White Cap, ca. 5 air mi sw of Sloat. 1645 Comment
  CHSC59125  Pellaea brachyptera Vernon H. Oswald 1992-8-10 5154 Plumas Slope on the uphill side of Warner Valley Rd. at the Ranger Station, ca. 1.5 mi E of Drakesbad, Lassen Volcanic National Park. 1706 Comment
  CAS-BOT-BC69353  Pellaea brachyptera Clarence R. Quick 1952-6-29 52 -83 Plumas 1/2 miles south of summit on road between Belden and Humbug Valley Comment
  JEPS35117  Pellaea brachyptera Geo. E. Davenport and Mrs. R. M. Austin 1877-1 Plumas Comment
  POM22839  Pellaea mucronata D. L. Crawford 1916-3-12 s.n. Plumas Fern Canyon. Comment
  SEINET5706778 Image available Pellaea mucronata Ames s.n. Plumas Sierras. Comment
  POM256003  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  RSA21705  Penstemon deustus subsp. deustus Carl B. Wolf 1937-8-6 9065 Plumas Northern Sierra Nevada, Mohawk Valley, 2 mi N of Blairsden. 1341 Comment
  RSA285579  Penstemon deustus subsp. deustus D. C. Michener 1981-7-17 4020 Plumas Sierra Nevada. CA 70, 1.2-1.5 mile north of Tobin. Above the north Fork of the Feather River. Comment
  JEPS11232  Penstemon deustus var. deustus W. L. Jepson 1939-7-31 19289 Plumas Meadow Valley 1524 Comment
  CHSC97197  Penstemon deustus var. pedicellatus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13983 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
  SEINET3840854  Penstemon deustus var. pedicellatus M. I. Wibawa, G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3834 Plumas South shore of Frenchman Reservoir, 0.4 miles east of Frenchman Dam, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CHSC56881  Penstemon gracilentus L. P. Janeway 1991-8-3 4107 Plumas Plumas National Forest, Beckwourth Ranger District, Threemile Compartment. Near top of ridge, south end of Grizzly Ridge and ca 1 3/4 mi west of Smith Peak. 2072 Comment
  CHSC84368  Penstemon gracilentus Lowell Ahart 2003-9-7 10561 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  UC1567362  Penstemon gracilentus School/Ertter 1989-7-3 1935 Plumas near Bear Valley (Diamond Mtns.); , near Bear Valley 1737 Comment
  RSA331945  Penstemon gracilentus Dave Kelly, Walter Wisura 1985-8-1 4090 Plumas Ca 1/2 mile N of Sawmill Tom Creek along Humbug Rd, NE of Jonesville. Comment
  CHSC102192  Penstemon laetus Barbara Ertter; Gary Schoolcraft 1989-7-3 8652 Plumas W-facing steep rocky slope below Red Rock lookout, ca 8 airmiles S of Susanville. 2255 Comment
  SFV17477  Penstemon laetus P. Wilson 1998-7-18 3534 dup. Plumas Sierra Nevada Bucks Lake. 1600 Comment
  NY604458  Penstemon laetus var. leptosepalus R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  CHSC65517  Penstemon neotericus L. P. Janeway 1995-7-29 4883 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between Rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  JEPS11209  Penstemon neotericus O. E. Mack 1923-7-9 Plumas Chester Comment
  NY627273  Penstemon neotericus K. A. Vincent 1987-6-25 4432 Plumas Sierra Nevada, Tobin Ridge, North Fork Feather River Canyon; along west side of CA 70, ca. 7.4 miles southwest of Beldon Town. 640.1 Comment
  RSA59102  Penstemon neotericus E. K. Balls 1950-8-30 15506 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork Feather River. 610 Comment
  CHSC27506  Penstemon newberryi Susan M. Schulz 1978-4-23 17 Plumas Jct. of hwy 149 and 70 ca. 26.9 mi, ne side of 70 ca. 10 ft on slope ca. 35 mi ne of Chico on Feather River Canyon. Comment
  CHSC88825  Penstemon personatus L. Hanson 1979-8-10 65 Plumas Plumas National Forest. On ridge so. of Coldwater Creek downslope from Coldwater Creek road. 1524 Comment
  CHSC88985  Penstemon personatus L. Hanson 1988-8-29 330 Plumas Plumas National Forest. Hardquartz Mine. 1615 Comment
  SEINET11262173  Penstemon personatus Robert L. Johnson, Mikel R. Stevens 2015-7-11 3952 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
  JEPS119949  Penstemon roezlii Lowell Ahart 2012-9-5 18446 Plumas Road edge where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southwest of Pilot Peak, about 8 1/4 miles (air) northeast of La Porte. Comment
  UC584317  Penstemon roezlii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2237 Plumas n Engelmine (sw slopes and ridge crest Red Rock); sw slopes and ridge crest Red Rock 2133 Comment
  CDA18479  Penstemon roezlii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3245 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  SEINET10548113  Penstemon rydbergii Mary Susan Taylor 1982-6-10 Taylor 4636 A Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  CAS-BOT-BC239584  Penstemon rydbergii var. oreocharis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Natl. Park Comment
  CHSC75548  Penstemon rydbergii var. oreocharis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3147 Plumas Long Valley, 0.4 mi south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  JEPS113518  Penstemon rydbergii var. oreocharis Lowell Ahart, John Dittes 2007-6-16 14113 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET8512833 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, Patricia K. Holmgren 2014-1 16549 Plumas Sierra Nevada, meadow south of Lake Almanor on the south side of State Route 89, 0.8 km (0.5 mi) west of Canyondam and 0.3 km (0.2 mi) west of the State Route 147 turnoff 1388 Comment
  UC565589  Penstemon rydbergii var. oreocharis Herbert L. Mason 1926-7-26 1095 Plumas near Blairsden (Feather River); Feather River - near Blairsden Comment
  NY660834  Penstemon speciosus F. W. Pennell 1940-6-11 25811 Plumas Route 24, Spring Garden 1341.1 Comment
  SEINET10454546  Perideridia bolanderi Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3865 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  RSA318533  Perideridia bolanderi subsp. bolanderi Patricia Wilder 1971-6-22 5155 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
  RSA518866  Perideridia bolanderi subsp. bolanderi Barbara Ertter, Gary Schoolcraft 1989-7-3 8661 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  RSA641472  Perideridia bolanderi subsp. bolanderi Michael A. Vincent 1999-6-7 8531 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  CHSC34360  Perideridia parishii subsp. latifolia M. S. Taylor 1981-7-17 4030 Plumas Lakes Basin, Bear Lakes trail, ca. 1/4 mi of the trailhead, ca. 6 air mi s of Mohawk. 1950 Comment
  CAS-BOT-BC413556  Persicaria amphibia Brian Curks 1937-8-15 s.n. Plumas Lake Alninor [Almanor] Comment
  UCD99385  Persicaria amphibia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas Southeastern side of Portola. Comment
  UCD99800  Persicaria lapathifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1416 Plumas About 2 miles south of Greenville, Indian Valley. Comment
  CAS-BOT-BC330327  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1964-5-9 s.n. Plumas Thompson Creek. Sierra Nevada. Comment
  UC1051783  Phacelia hastata L. R. Heckard and R. Bacigalupi 1951-8-8 186 Plumas near Chilcoot; Sierra Valley 1524 Comment
  CDA12151  Phacelia hastata subsp. hastata G. F. Hrusa, J. Dinsdale 1989-6-27 7221 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  CHSC75505  Phacelia hastata subsp. hastata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13255 Plumas Near headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2100 Comment
  POM289438  Phacelia hastata subsp. hastata Lyman Benson 1932-7-29 3990 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UC1778644  Phacelia hastata subsp. hastata G. Douglas Barbe, T. C. Fuller 1982-7-15 3737 Plumas 2 miles below summit on return from Red Hill, near junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F), Plumas National Forest. 1676 Comment
  CHSC91803  Phacelia heterophylla subsp. virgata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16317 Plumas Northern Sierra Nevada. Willow Creek Rd. 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC34870  Phacelia humilis M. S. Taylor 1981-6-16 3913 Plumas N side of 23N88, a loop road off rd 24N07, ca. 3/4 mi nw of Smith Peak Lookout, ca. 7 air mi ne of Blairsden. 2072 Comment
  OBI76964  Phacelia hydrophylloides Anthony Baniaga 2011-8-2 481 Plumas Lassen Natl Forest. Along F.S 10, 30 ft E of rd, ca 1/8 mi SW of Echo Lake. red cinder Quad T30N R7E sec 26 sE of SW 1950 Comment
  CHSC112609  Phacelia imbricata subsp. imbricata Lowell Ahart 2013-9-11 19033 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  UC185300  Phacelia linearis Katharine Brandegee Plumas Portola Comment
  CHSC48472  Phacelia mutabilis Vernon Oswald 1986-7-10 2201 Plumas LaPorte-Quincy Rd. 0.7 mi n of the road to Cleghorn Bar. 1950 Comment
  UC1228232  Phacelia mutabilis H. E. and S. T. Parks June 1928 254 Plumas Drakesbad Lassen Volcanic National Park 1828 Comment
  UC511756  Phacelia mutabilis Frank W. Peirson 1926-6-22 6813 Plumas trail from Drakesbad to the Devil's Kitchen; Lassen National Park 1737 Comment
  UC586927  Phacelia procera Joseph Andorfer Ewan 1934-6-27 8189 Plumas on Mt. Elwell Trail 1/2 mi from Gold Lake Lodge Comment
  JEPS127034  Phacelia racemosa Lowell Ahart 2016-6-2 20915 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  RSA201318  Phacelia racemosa J. T. Howell 1960-7-20 35736 Plumas Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park. 1677 Comment
  UCD120669  Phacelia racemosa W. R. Powell 1968-7-2 1601 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CAS-BOT-BC265831  Phalaris arundinacea John Thomas Howell 1973-7-9 49713 Plumas Crescent Mills, Sierra Nevada 1066 Comment
  CAS-BOT-BC265834  Phalaris arundinacea Lloyd W. Swift 1931-7-24 54 Plumas Haun's Meadow 1402 Comment
  JEPS103525  Phalaris arundinacea Lowell Ahart 2002-7-2 9832 Plumas 1 air mi SW of Franklin Hill; ; N side Forest Road 22N94, 50 yds W of Forest Rd 24N94E, on Hartman Bar Ridge, 4 1/2 air mi NW of Tamarack Flat, 9 air mi NW of La Porte 1583 Comment
  JEPS49617  Philadelphus lewisii W. L. Jepson 1910-6-18 4152 Plumas Belden; canyon 609 Comment
  JEPS113549  Phleum pratense Lowell Ahart, Josephine Guardino 2007-7-21 14360 Plumas Along a small stream, near a spring, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  SEINET10657589  Phleum pratense Alan A. Beetle 1941-6-28 Beetle 2777 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Danthonia Deschampsia Sanicula tuberosa. 1829 Comment
  SEINET4889142  Phleum pratense C. Tanner 1999-6-26 s.n. Plumas Intersection of Rock and Plumas Streets, in the city of Portola 1484 Comment
  SD7491  Phlox caespitosa Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  CHSC63263  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  RSA104879  Phlox hoodii subsp. hoodii Elizabeth Sprague 1956-6-2 s.n. Plumas Campground at Lake Amador Comment
  CHSC89282  Phlox speciosa subsp. occidentalis G. Douglas Barbe; T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  RSA232723  Phlox speciosa subsp. occidentalis Larry E. DeBuhr, Gary D. Wallace 1972-5-21 590 Plumas Plumas National Forest, at pond reservoir in Butterfly Valley. 1067 Comment
  SEINET10496906  Phlox speciosa subsp. occidentalis Mary Susan Taylor 1982-5-25 Taylor 4525 Plumas T23N R11E sw/sw sec 2. Mt Ingalls quad. Along 23n12, in Jeffrey Pine Forest, 0.6 mi w of its jct with 23N52, ca. 3/4 mi w of McDermott Ravine 7 1.5 mi ne of Sloat. 4500 ft. 1371 Comment
  UC1075816  Phlox speciosa subsp. occidentalis E. K. Balls and L. W. Lenz 1955-5-14 20711 Plumas 3.1 mi n Greenville (on road to Lake Almanor, Hwy 89) 1158 Comment
  SJSU14355  Phoenicaulis cheiranthoides N. A. Hopkins 1990-5-12 1618 Plumas c. 17.2 mi NW of Beckwourth on rd to Genessee 1706 Comment
  UC571046  Phyllodoce breweri H. L. Mason 1924-6-19 1074 Plumas Bear Lake Comment
  HSC26252  Pinus contorta W. A. Heaton 1965-5-9 37 Plumas 5 mi. NW of Chester off Hwy. 36 Comment
  UC1348768  Pinus contorta subsp. murrayana R. A. Cockrell 1937-8-5 8327 Plumas Meadow Valley 2042 Comment
  RSA325118  Pinus contorta var. murrayana M. S. Taylor 1981-5-10 3672 Plumas N side of Antelope Lake, approx. 1/4 mile E of Boulder Creek and USFS Work Center, between road and lake, approx. 20 miles NE of Taylorsville. (Antelope Lake Quad) 1537 Comment
  NY61633  Pinus lambertiana H. E. Brown 1897-8-15 671 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
  SEINET10530535  Pinus monticola Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  JEPS123963  Piperia unalascensis Lowell Ahart 2015-7-4 20290 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
  CHSC97143  Plagiobothrys cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14033 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CAS-BOT-BC230962  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37804 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC102749  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16150 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  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-BC230986  Plagiobothrys hispidulus Clarence R. Quick 1962-6-20 62 37 A Plumas Cottonwood Creek crossing, SW of Humbug Valley, SW of Lake Almanor Comment
  CHSC20807  Plagiobothrys hispidus K. R. Stern 1975-7-23 5844 Plumas W shore of Lake Almanor. 1371 Comment
  UC421643  Plagiobothrys mollis John Thomas Howell 1926-7-30 2156 Plumas Prattville 1371 Comment
  CHSC97106  Plagiobothrys mollis var. mollis Lowell Ahart; Josephine Guardino 2007-7-20 14327 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC228456  Plagiobothrys torreyi Alice Eastwood 1927-6-27 14432 Plumas United States Forest Reserve. On road from Chilcott Comment
  UCD138984  Platanthera dilatata var. leucostachys Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  SEINET11448295  Platanthera dilatata var. leucostachys Unknown 1934-1 Plumas Gold Lake Road Comment
  SEINET12076968  Platanthera dilatata var. leucostachys W. Knight, Knight, I. 1983-1 Plumas Comment
  CHSC110761  Platanthera yosemitensis Dean Wm. Taylor 2011-8-1 21136 Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie). 1173 Comment
  SEINET10464992  Plectritis congesta subsp. brachystemon Mary Susan Taylor 1982-5-4 Taylor 4403 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. Serpentine outcrop, n side of Spanish Ranch-Bucks Lake Rd, at its jct with 24N17, ca. 0.5 mi ne of Meadow Valley. 3700 ft. 472 Comment
  RSA52906  Pleuricospora fimbriolata R. Weatherby 1973-10-2 s.n. Plumas Bucks Lake. 1524 Comment
  CAS-BOT-BC244376  Poa annua Walter Knight; et al. 1967-5-8 1796 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 990 Comment
  RSA699707  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino, Robert A. 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 if Taylorsville, about 8 miles (air) northeast of Quincy 2140 Comment
  SEINET7297589 Image available Poa bolanderi Leo Whitney 1934-1 2295 Plumas Under Lodgepole Pine; Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola, Plumas National Forest. 1829 Comment
  UCD90593  Poa bolanderi Leo Whitney 1934-8-12 2295 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. 1828 Comment
  CAS-BOT-BC254967  Poa bulbosa Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1857 Plumas Butterfly Botanical Area and Vicinity. On W side of Butterfly Valley proper 1066 Comment
  CHSC91828  Poa bulbosa G. Douglas Barbe; T. C. Fuller 1982-6-15 3736 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS113785  Poa bulbosa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14057 Plumas Open rocky flat, about 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  CAS-BOT-BC255099  Poa compressa John Thomas Howell; Gordon H. True 1967-7-11 43299 Plumas 2.5 miles form Quincy Junction on road to Mount Hough 1249 Comment
  CDA13365  Poa compressa G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13214 Plumas Sierra Nevada; Moist, shaded creekbed of Rattlesnake Creek on S side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Perennial, uncommon here. Comment
  CAS-BOT-BC255127  Poa cusickii A. A. Heller; P. B. Kennedy 1907-7-5 8751 Plumas Red Clover Valley Comment
  RSA754382  Poa cusickii subsp. cusickii L. P. Janeway, B. Castro 2008-6-8 9400 Plumas Northern High Sierra Nevada: NE side of middle of Lower Thompson Valley, about 1.8 km N of Red Clover Creek and about 10 m NE of the Thompson Valley Creek. 1670 Comment
  CAS-BOT-BC247281  Poa palustris L. P. Janeway 1991-8-4 4120 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley 1691 Comment
  CAS-BOT-BC247386  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 miles west of Chester on rte. 36 1828 Comment
  CAS-BOT-BC247392  Poa pratensis Walter Knight; Irja Knight 1967-5-22 1827 Plumas Butterfly Botanical Area and vicinity. Valley proper 1066 Comment
  RSA484198  Poa pratensis H. S. Yates 1913-6-24 s.n. Plumas Massack 1372 Comment
  UCD35213  Poa pratensis Beecher Crampton 1954-7-5 2039 Plumas 1.5 miles north of Greenville, Hwy. 89. Comment
  SEINET10836180  Poa pratensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4655 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
  JEPS110423  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  UC1132723  Poa pratensis subsp. pratensis F. W. Embree 1934-6-12 103 Plumas w end Haskins Valley; Plumas Nat'l Forest, Bidwell Bar Quadrangle Comment
  JEPS28287  Poa pringlei George W. Gillett 1957-7-13 760 Plumas below Sifford Lakes (on direct route to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  UCD32548  Poa secunda Beecher Crampton 1954-5-11 1887 Plumas Sierra Valley, 7 miles S of Vinton. 1588 Comment
  UCR146410  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas Northern Sierra Nevada Mountains, 1 mile west of Portola, along highway 24 1473 Comment
  UCR63642  Poa secunda B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0949 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  CAS-BOT-BC236279  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  UC579310  Poa secunda subsp. juncifolia E. Sawyer 1935-6-25 153 Plumas 1 1/2 mi e Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1676 Comment
  UC717964  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Middle Fork Feather River, Feather River Inn Mohawk Valley; Sierra Nevada 1356 Comment
  CAS-BOT-BC242975  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas W side of Highway 89 to Truckee, 1 mile S of Graeagle Comment
  CAS-BOT-BC242980  Poa secunda subsp. secunda Greg Sommers 1976-7-1 140 Plumas Sierra Valley Marsh, roadside along Dyson Lane 1524 Comment
  JEPS113750  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2007-6-16 14142 Plumas On dry gravelly soil, west of a small stream, about 200 yards south of of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCD32540  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  UCR160115  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller 1982-7-16 3752 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  CDA32655  Poa secunda subsp. secunda G. D. Barbe 1982-6-9 3655 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  SEINET7294077 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 8751 Plumas Red Clover valley Comment
  SEINET7864987  Poa secunda var. secunda W. Harnach, N. Harnach 1990-5-12 291 Plumas Sierra Valley, Wilson brothers ground, South of Marble Lane on Co. Road, A-23 1515 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-BC244166  Poa trivialis John Thomas Howell; Gordon H. True 1968-6-10 44551 Plumas Quincy 1036 Comment
  UCD91588  Poa wheeleri August L. Hormay 1932-6-9 s.n. Plumas Plumas County Plots. Comment
  UC1075657  Polygonum amphibium var. stipulaceum Robert J. Weatherby 1950-7-7 1463 Plumas Snake Lake Quincy 1219 Comment
  JEPS81644  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas vicinity of Calpine Rd (109) bridge Portola quad., Feather River, Ramelli Ranch (base, ca 1 mi w of Beckwourth) 1487 Comment
  JEPS120553  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  UC1136117  Polygonum bistortoides F. W. Embree 1934-6-12 106 Plumas Haskins Valley Plumas National Forest, Bidwell Bar Quadrangle (w end) 1615 Comment
  CAS-BOT-BC414556  Polygonum douglasii L. P. Janeway 1993-8-5 4498 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap 1623 Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  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
  JEPS107636  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  CHSC45476  Polygonum douglasii subsp. johnstonii Lowell Ahart; John Thomas Howell 1977-8-2 1535 Plumas On a bare open mountain side, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC113890  Polygonum minimum Lowell Ahart 2014-8-24 19752 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
  CHSC117457  Polygonum minimum Lowell Ahart 2016-6-29 21080 Plumas Top and east 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
  JEPS114615  Polygonum minimum Lowell Ahart 2008-9-10 15378 Plumas On the bottom and sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  UCD100469  Polygonum minimum G. F. Hrusa 1992-10-8 10503 Plumas Bucks Lake Wilderness. 1828 Comment
  CAS-BOT-BC419886  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 s.n. Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC419892  Polygonum polygaloides subsp. confertiflorum Roxana S. Ferris; Laura Lorraine 1941-8-9 10428 Plumas At Lake Almanor Public Camp. (near village). Comment
  SEINET3840887  Polygonum polygaloides subsp. esotericum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3846 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CAS-BOT-BC420050  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1981-7-21 2975 Plumas About 1.5 miles west on Cleghorn Bar Road, about 2 miles west of Pilot Peak. 1900 Comment
  JEPS81571  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas off Eureka Ridge Rd (23N09) ca 1/4 mi above, ca 3 air mi sw of Sloat spring; Blue Nose Mt. quad., White Cap 1859 Comment
  CAS-BOT-BC420046  Polygonum polygaloides subsp. kelloggii A. A. Heller; P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  CDA19232  Polygonum sawatchense G. D. Barbe, T. C. Fuller 1982-6-17 3833 Plumas Plumas National Forest; Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  RSA101469  Polygonum sawatchense subsp. oblivium R. Weatherby 1955-7-2 1570 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  UC1075684  Polygonum sawatchense subsp. oblivium Robert J. Weatherby 1955-7-2 1570 Plumas near Taylor Lake; Bear Ridge 2194 Comment
  CAS-BOT-BC420209  Polygonum sawatchense subsp. sawatchense John Thomas Howell; Gordon H. True 1967-7-11 43309 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC421035  Polygonum spergulariiforme John Thomas Howell 1974-9-20 50906 Plumas Chilcoot. 1554 Comment
  CAS-BOT-BC72356  Polystichum imbricans subsp. imbricans John Thomas Howell 1960-7-20 35748 Plumas Boiling Springs Lake 1798 Comment
  SBBG304  Polystichum imbricans subsp. imbricans H. and M. Dearing 1938-7-2 2271 Plumas Feather River Hwy 609 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
  CAS-BOT-BC72359  Polystichum imbricans subsp. imbricans John Thomas Howell 1959-9-26 35041 Plumas Slaty Rocks near Keddie 1005 Comment
  UC1523809  Polystichum imbricans subsp. imbricans Gary Schoolcraft 1982-8-2 842 Plumas w Crescent Mills 1219 Comment
  SEINET10530124  Polystichum lemmonii Mary Susan Taylor 1982-6-9 Taylor 4617 Plumas T24N R8E nw/nw sec 13. Bucks Lake NE quad. S side of Bucks Lake Rd, just e of Deanes Valley Rd, ca. 1.0 mi nw of Meadow Valley. 3700 ft. On serpentine. 1128 Comment
  UCD159709  Polystichum scopulinum G. Ledyard Stebbins 1970-7-24 7074 A Plumas Base of ridge northwest of Round Lake, Lakes Basin south of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2133 Comment
  JEPS98975  Populus trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  CHSC24276  Potamogeton foliosus K. R. Stern 1975-7-25 Plumas NW end of Lake Almanor. Comment
  JEPS87464  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  CAS-BOT-BC453784  Potamogeton natans R. F. Thorne; C. W. Tilforth 1969-9-6 39236 Plumas Along Feather River; 1 mi. SW of Beckwourth 1356 Comment
  SD6453  Potamogeton perfoliatus Daniel Cleveland July 1882 Plumas Feather River Comment
  CHSC92196  Potamogeton richardsonii Lowell Ahart; John Dittes 2005-9-19 12376 Plumas In deep water, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  RSA15048  Potamogeton richardsonii Daniel Cleveland 1882-7-26 s.n. Plumas Big Meadow. Comment
  RSA0005605  Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  SD61133  Potentilla breweri D. F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas Nat. Forest 2042 Comment
  JEPS48885  Potentilla drummondii subsp. bruceae Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  CDA14030  Potentilla gracilis var. fastigiata G. F. Hrusa, B. A. Smith 1996-8-8 13478 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CAS-BOT-BC540412  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight 1966-6-18 1337 Plumas Sierra Nevada, Butterfly Valley near overnight camp 1173 Comment
  SEINET784445  Potentilla gracilis var. fastigiata Joseph Andorfer Ewan 1934-7-19 8245 Plumas Sierra Nevada, growing with 8243 and possibly only variant of it 1615 Comment
  CHSC70042  Potentilla millefolia L. P. Janeway 1997-5-14 5119 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  UC632146  Potentilla millefolia Beryl O. Schreiber 1932-7-19 460 Plumas road to Prattville; road to Prattville Comment
  JEPS114354  Potentilla norvegica Lowell Ahart 2008-9-10 15395 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
  CDA33857  Potentilla recta Tim Gibson 2010-10-22 PDR# 1409546 Plumas Plumas County Fairgrounds near Lee Road. 0 Comment
  CDA39655  Potentilla recta Willo Vierra 2013-11-6 s.n. Plumas Vicinity of Quincy. 0 Comment
  CHSC20764  Potentilla rivalis K. R. Stern 1975-7-24 5889 Plumas SE shore of Lake Almanor. 1371 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
  CHSC97632  Poteridium annuum Lowell Ahart; John Dittes 2007-6-17 14195 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UC877754  Primula suffrutescens Mrs. E. C. Sutliffe Aug. 1917 Plumas mountains near Blairsden; mountains near Blairsden Comment
  HSC22868  Prunella vulgaris John Pratt 1970-6-19 23 Plumas 1677 Comment
  JEPS115082  Prunella vulgaris var. lanceolata Lowell Ahart, John Dittes 2009-7-13 16042 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
  CAS-BOT-BC159819  Prunus andersonii Alice B. Chittenden 1814-1-1 s.n. Plumas Quincy Comment
  UC1128281  Prunus andersonii C. W. Hanks 1934-8-14 48 Plumas Plumas National Forest, ne Sierra Valley ne Sierra Valley; Plumas National Forest, ne Sierra Valley 1524 Comment
  CAS-BOT-BC158146  Prunus emarginata A. A. Heller 1915-7-7 12055 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks in the forest 1676 Comment
  CAS-BOT-BC158150  Prunus emarginata Ella Dales Cantelow 1939-3-19 2541 Plumas 6 - mi. W. of Bucks Lake 1764 Comment
  CHSC21811  Prunus emarginata F. T. Griggs; A. Pass 1975-7-2 33 Plumas Buck's Lake. East of road. Comment
  RSA123197  Prunus emarginata D. Axelrod 1934-6-4 11 Plumas SW of La Porte 1646 Comment
  SD8440  Prunus emarginata Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CAS-BOT-BC154646  Prunus subcordata Mary Strong Clemens 1920-5-27 s.n. Plumas Taylorsville 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
  UC1128470  Prunus virginiana var. demissa E. Sawyer 1935-5-21 6 Plumas 3/4 mi wsw of Beckwith 1493 Comment
  CAS-BOT-BC356504  Pseudognaphalium beneolens John Thomas Howell 1959-9-21 34797 Plumas Virgilia 841 Comment
  CAS-BOT-BC357343  Pseudognaphalium microcephalum Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3479 Plumas In Mud Creek Valley, along California State Highway No. 36, 1.3 miles east of Chester 1380 Comment
  CAS-BOT-BC361482  Pseudognaphalium stramineum E. K. Balls 1950-9-4 15575 Plumas Feather River Experiment Stn., Hwy 24, 4 mi. north of Quincy 1066 Comment
  CHSC89913  Pseudostellaria jamesiana N. L. Jurjavcic 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. 1524 Comment
  JEPS114414  Pseudostellaria jamesiana Lowell Ahart 2008-7-16 15100 Plumas Dry open area west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles ( 1597 Comment
  JEPS87622  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas about 3/4 mi (air) se Pilot Peak (on Bunker Hill Ridge, on n side of Pacific Crest Trail); n side of Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SD8167  Pseudostellaria jamesiana R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC62097  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Linnea Hanson, Joyce Lacey 1993-6-26 4405 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; ca 0.5 mi southwest of Beckwourth, 4 mi east of Portola, corner of Beckwourth-Calpine Road and railroad. 1487 Comment
  UC177449  Psilocarphus brevissimus var. brevissimus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  JEPS124097  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. Comment
  CAS-BOT-BC72613  Pteridium aquilinum Margaret Williams 1967-8-20 s.n. Plumas Near Rene's Falls, Jamison Creek, above Johnsville 1828 Comment
  CHSC65378  Pterospora andromedea Lowell Ahart 1995-9-13 7632 Plumas In the forest on the north side of Onion Valley, east of Quincy-La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  POM82029  Pteryxia terebinthina Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. On the Big Divide. 1829 Comment
  SEINET10454559  Pteryxia terebinthina var. californica Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4967 Plumas T21N R11E se sec 3. Sierra City NW quad. On ridge between Florentine Cyn and Spencer Lakes, ca. 5 mi sw of Johnsville. 7000 ft. 2133 Comment
  CHSC113656  Purshia tridentata var. tridentata L. P. Janeway 2014-5-25 11266 Plumas High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Humboldt Peak; Pacific Crest Trail nearby. 2073 Comment
  RSA715669  Purshia tridentata var. tridentata L. Ahart, J. Guardino 2005-8-10 12308 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CHSC66702  Pycnanthemum californicum Vernon H. Oswald; Lowell Ahart 1996-8-1 8132 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
  CHSC116382  Pycnanthemum californicum Sara M. Taylor; Scott Batiuk 2012-9-11 69 Plumas Mulligan Slide. From Quincy head west on Hwy 70, right onto Spanish Creek Road, right onto Rd 25N59, go west~ 1.1 km, left onto unnamed road~480 m. UTM zone 10, NAD 83, 4428382 N, 660731 E. 1548 Comment
  SD52198  Pycnanthemum californicum F. Stephens 1894-8-19 8636 Plumas Sierra Valley Comment
  SEINET10499003  Pycnanthemum californicum Mary Susan Taylor 1982-8-8 Taylor 4942 Plumas T25N R10E ne/ne sec 18. Greenville SW quad. In seep, n side of 25N73, s slope of Mt Hough ridge, ca. 7 mi nne of Quincy. 6000 ft. 1829 Comment
  CAS-BOT-BC460827  Pyrola aphylla Duncan Dunning 1922-7-13 12 Plumas Plumas Forest, Smith Lake 1127 Comment
  JEPS58854  Pyrola asarifolia H. L. Mason 1924-6-26 Plumas Blairsden Comment
  JEPS87737  Pyrola asarifolia subsp. asarifolia Lowell Ahart 1994-6-17 7350 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow); Sly Creek 1097 Comment
  CHSC102077  Pyrola dentata Lowell Ahart; John Dittes 2009-7-14 16065 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CAS-BOT-BC462776  Pyrola dentata Anna Head 1921-8-7 s.n. Plumas Feather River Region: Lake Center Camp Comment
  CAS-BOT-BC462783  Pyrola dentata E. K. Balls 1950-8-30 15508 Plumas 5 mi W of Feather River Experiment Station, Quincy 1066 Comment
  CHSC63460  Pyrola picta Lowell Ahart 1994-7-22 7507 Plumas Plumas/Sierra counties. On the south side of the Pacific Crest Trail, north of Mount Etna. 1981 Comment
  SD7832  Pyrola picta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1121055  Pyrola picta C. G. Albertus 1935-8-8 255 Plumas 3 1/4 miles NE of Blue Nose 2103 Comment
  UC914186  Pyrola picta H. S. Reed 1941-8-2 Plumas Forest Lodge Comment
  SEINET10973484  Pyrola picta Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4010 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  JEPS107610  Pyrrocoma carthamoides var. cusickii Lowell 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 1821 Comment
  CAS-BOT-BC362286  Pyrrocoma lanceolata var. lanceolata Fred Sommers 1976-8-27 230 Plumas Sierra Valley Marsh between road and Marble Hot Springs 1524 Comment
  RSA252460  Pyrrocoma lucida R. F. Thorne, C. W. Tilforth 1969-9-6 39238 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  SEINET13710601  Pyrrocoma uniflora Lowell William Ahart, Lowell William Ahart 2001-1 9269 Plumas Little Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) Comment
  CAS-BOT-BC62427  Quercus chrysolepis Mrs. E. C. Suttiffe 1920-9-1 s.n. Plumas Gold Valley Comment
  SEINET9005912  Quercus chrysolepis C. N. Saulisberry 1949-5-18 s.n. Plumas Feather River Canyon, lumber camp of Keddie 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
  CHSC67437  Quercus garryana var. semota James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2564 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  CHSC9709  Quercus kelloggii Nancy Mosman 1971-7-11 76 Plumas On slope along w side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC1135649  Quercus kelloggii E. Nourse 1934-8-14 12 Plumas 1 mi n and 1.5 mi w Quincy; Downieville Quad. 1127 Comment
  UC463085  Quercus kelloggii C. H. Crickmay Aug 1931 Plumas Taylorsville Comment
  UCD46621  Quercus kelloggii Dean Ahrenholtz 1964-5-9 15 Plumas Indian Creek Canyon, Plumas County, California. Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC104603  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  UC1135813  Quercus vacciniifolia E. Nourse 1934-9-5 32 Plumas 2.5 mi n and 0.75 mi w Pilot Peak; Plumas National Forest, Downieville Quad. 1920 Comment
  UCR3600  Quercus vacciniifolia Wm. Horn Jr. 1963-6-29 630629- 3 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC186685  Ranunculus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54175 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CHSC21113  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-1 13 Plumas East of Grizzly Creek. Buck's Lake. Comment
  RSA758831  Ranunculus andersonii James R. Shevock 1985-5-19 11174 Plumas Plumas National Forest, along forest road 26N70 just south of Crocker Station. 1800 Comment
  CAS-BOT-BC379216  Ranunculus aquatilis John Thomas Howell 1962-6-19 37860 Plumas 5.5 mi E of Beckwourth Comment
  SEINET12088567  Ranunculus flammula Unknown 1980-1 2651 Plumas on the S-side of the small lake, about 1/2 mi W of Fowler Peak, about 2 1/2 mi N of Little Grass 1829 Comment
  JEPS102723  Ranunculus flammula var. ovalis Lowell Ahart 2001-10-16 9379 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  RSA357479  Ranunculus occidentalis var. ultramontanus Clarissa Kimber 1961-8-7 245 Plumas Upper Butterfly Valley, 2.5 miles W turn off Hwy-US 40. 1 Comment
  RSA551252  Rhamnus J. T. Howell 1976-7-20 52038 Plumas transition zone forest at S end of Lake Almanor 1372 Comment
  RSA518947  Rhamnus purshiana J. T. Howell 1963-6-3 39395 Plumas Butterfly Valley Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  SEINET13946360 Image available Rhamnus purshiana A. A. Heller 1915-1 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  UC1121938  Rhamnus rubra C. G. Albertus 1935-7-27 236 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  CAS-BOT-BC111878  Rhynchospora alba Walter Knight; Irja Knight 1966-6-18 1340 Plumas Butterfly Valley, near spring. 1127 Comment
  CHSC72468  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area; northernmost of the boggy areas on west side (uphill) of Road 25N47 0.1 mi south of Road 417. 1194 Comment
  RSA286277  Rhynchospora capitellata Robert F. Thorne 1974-7-30 45011 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CAS-BOT-BC438109  Ribes John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54327 Plumas 1.4 miles north-northeast of Englemine on Diamond Mt. Road 1295 Comment
  CAS-BOT-BC108713  Ribes cereum M. S. Taylor 1982-8-5 4926 Plumas Mount Hough summit, ca. 7 miles north northeast of Quincy. 2203 Comment
  SEINET3840875  Ribes cereum var. cereum M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe 1982-6-16 3795 Plumas Below Mud Lake, three fourths miles northeast of Eisenheimer Peak, Red fir, White fir, Jeffrey pine and Lodgepole pine forest community, USGA Quadrangle: Kettle Peak 7.5 2100 Comment
  CAS-BOT-BC219218  Ribes nevadense D. E. Breedlove 1962-6-12 3461 Plumas Jackson Creek, upper drainage of Middle Fork of Feather River, 1 mile SE of Cromberg 1341 Comment
  CAS-BOT-BC219227  Ribes nevadense George W. Gillett 1957-7-19 857 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  CHSC101938  Ribes nevadense Lowell Ahart; John Dittes 2009-7-15 16103 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  UCSB15960  Ribes nevadense Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  JEPS28657  Ribes roezlii George W. Gillett 1957-7-19 859 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  RSA0018269  Ribes roezlii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 952 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Highway 89. 1829 Comment
  UC1127575  Ribes roezlii G. T. Nordstrom 1934-7-7 190 Plumas 1 1/2 mi s and 1/2 e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  SEINET12216476  Ribes roezlii W. Knight, Knight, I. 1983-1 4942 Plumas confluence of North Fork of Feather River & Warner Creek on road between Chester & Drakesbad 1463 Comment
  CAS-BOT-BC186218  Ribes roezlii var. roezlii Anna Head 1921-7-11 s.n. Plumas Slopes of Indian Pk., Feather River Region Comment
  CAS-BOT-BC186227  Ribes roezlii var. roezlii Alice Eastwood 1927-6-15 14616 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC186236  Ribes roezlii var. roezlii Clare B. Hardham 1961-6-16 7438 Plumas Diamond Peak Comment
  RSA0018271  Ribes roezlii var. roezlii Louis C. Wheeler 1958-7-29 7341 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CAS-BOT-BC168783  Ribes viscosissimum Rimo Bacigalupi 1927-6-7 1654 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley Comment
  CHSC36917  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1645 Comment
  CAS-BOT-BC363056  Rigiopappus leptocladus L. P. Janeway 1992-7-17 4265 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  CHSC103135  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2009-9-7 16379 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 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
  SEINET5760494 Image available Rorippa curvisiliqua var. orientalis A. A. Heller 1915-1 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada; 12 mi W of Bucks 1676 Comment
  JEPS102845  Rosa californica Lowell Ahart 2001-10-16 9392 Plumas Old road that crossed Indian Creek, ca 10 yards east of the RR tracks, where RR has a bumper to start the signal lights on Arlington Road, ca 400 yards S of Arlington Road, ca 30 yards east of Highway 89, ca 1 1/2 miles S of Crescent Mills. 1066 Comment
  CAS-BOT-BC148165  Rosa gymnocarpa John Thomas Howell 1959-9-24 34932 Plumas Butterfly Creek near mouth - Sierra Nevada Comment
  CDA31975  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-28 16195 Plumas Near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. Comment
  CHSC102118  Rosa gymnocarpa Lowell Ahart; John Dittes 2009-7-28 16195 Plumas On dry soil, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC52535  Rosa gymnocarpa L. P. Janeway 1990-6-15 3719 Plumas Plumas National Forest. Along Rattlesnake Creek, 2.1 mi (along the creek) N of Hwy 70/89; off the N side of Long Valley. 1524 Comment
  SBBG128057  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-28 16195 Plumas slope NW of mine, W (above) Forest Service Rd 27N28Y, 2.9 mi NW of Butt Valley Reservoir Dam 1581 Comment
  CAS-BOT-BC149726  Rosa woodsii subsp. ultramontana Roxana S. Ferris; Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  UC1128606  Rosa woodsii var. ultramontana E. Sawyer 1935-6-27 171 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC148002  Rubus leucodermis Thomas H. Kearney 1944-8-14 63 Plumas Near Prattville, Lake Almanor Comment
  JEPS115090  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
  CAS-BOT-BC147969  Rubus parviflorus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1591 Plumas Fern Glen - Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC40850  Rubus parviflorus K. R. Stern 1985-6-25 8279 Plumas Vicinity of Blairsden. 1402 Comment
  UC1128651  Rubus parviflorus E. Nourse 1934-8-15 962 Plumas 2 1/2 mi e and 1/4 mi s Clermont Hill; Plumas National Forest, Downieville Quad. 1706 Comment
  UCD113864  Rubus parviflorus James I. Mallory 1969-8-21 361 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CAS-BOT-BC156918  Rubus ursinus John Thomas Howell 1967-6-23 42707 Plumas Butterfly Valley 1066 Comment
  SEINET10483611  Rubus ursinus Mary Susan Taylor 1982-5-23 Taylor 4518 Plumas T25N R7E ne/nw sec 20. Almanor SW quad. S side of Caribou Rd, ca. 1/10 mi n of its jct with Hwy 70, ca. 3 mi e of Belden. Shoo-fly formation; 2400 ft. 731 Comment
  CHSC97586  Rumex acetosella Lowell Ahart; John Dittes 2007-6-17 14206 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA232884  Rumex acetosella L. S. Rose 1968-6-10 68093 Plumas Quincy. 1037 Comment
  SD7885  Rumex acetosella Mrs. R. M. Austin unknown Plumas American Valley Comment
  UC572310  Rumex acetosella E. Sawyer 1935-6-6 74 Plumas 3.25 mi s Sugarloaf; Sierraville Quad. 1493 Comment
  UCR270586  Rumex paucifolius John F. Emmel 1998-6-6 1558 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 Comment
  CHSC53064  Rumex paucifolius subsp. paucifolius L. P. Janeway 1989-6-20 3345 B Plumas Plumas National Forest Beckwourth Ranger District. Forest along SW side of Red Clover Valley. Openings of mostly bare soil in sagebrush. 1691 Comment
  CHSC97035  Rumex salicifolius var. triangulivalvis L. P. Janeway; B. Castro 2007-6-9 9036 Plumas Northern High Sierra Nevada. Central part of Thompson Valley just wouthwest of the main channel; 1.5 km north of Red Clover Creek. Occasional in one of several small channels headcutting into a wet meadow. 1666 Comment
  CAS-BOT-BC434308  Rumex triangulivalvis John Thomas Howell 1959-9-22 34853 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC434311  Rumex triangulivalvis John Thomas Howell 1977-8-11 52711 Plumas Bottom of Frenchmans Reservoir on east side near Big Cove. 1706 Comment
  CAS-BOT-BC445676  Sagittaria cuneata Walter Knight; Irja Knight 1966-6-19 1363 Plumas Butterfly Botanical Area and Vicinity. North end pond Reservoir near dam. Butterfly Valley 1097 Comment
  UC935761  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1419 Plumas about 2 mi s Greenville (Indian Valley); Indian Valley Comment
  CAS-BOT-BC103625  Salix eastwoodiae Joseph Andorfer Ewan 1934-7-16 8503 Plumas Mt. Elwell trail above Bear Lakes 1981 Comment
  UC1134847  Salix eastwoodiae G. T. Nordstrom 1934-7-20 240 Plumas at Silver Lake Dam Silver Lake Dam; Bidwell Bar Quadrangle Comment
  CHSC97162  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14024 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  SJSU12159  Salix exigua N. A. Hopkins 1976-6-22 834 Plumas 7 mi NE of Loyalton 1524 Comment
  JEPS15366  Salix geyeriana W. L. Jepson 1939-8-14 19415 Plumas Willow Creek 1828 Comment
  SBBG27406  Salix geyeriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-25 696 Plumas fork of Feather River ca. 5 mi SW of Prattville Comment
  CHSC112512  Salix jepsonii L. P. Janeway 2014-7-16 11545 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1721 Comment
  CHSC118833  Salix laevigata Amy Rachkowski 2015-6-30 2015006 Plumas Plumas National Forest. Location along the northwest shore of the Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1600 Comment
  UC481914  Salix lasiandra subsp. lasiandra C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 a Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  CAS-BOT-BC125329  Salix lasiandra var. lasiandra C. H. M. 1906-10-1 s.n. Plumas Quincy Comment
  CHSC112117  Salix lasiandra var. lasiandra L. P. Janeway 2014-7-15 11555 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  JEPS14868  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-29 Plumas along hwy. through Meadow Valley Comment
  CAS-BOT-BC107053  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Canyon 1066 Comment
  CAS-BOT-BC107160  Salix lasiolepis var. bigelovii John Thomas Howell; T. C. Fuller 1981-6-25 54353 Plumas 4.8 miles northwest of Antelope Reservior - Sierra Nevada 1661 Comment
  CHSC92168  Salix lasiolepis var. lasiolepis Lowell Ahart; John Dittes 2005-9-19 12370 Plumas Shore line, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CHSC9573  Salix lemmonii E. L. Smith 1971-4-28 947 Plumas In Indian Valley ca. 1 mi se of Greenville. 1088 Comment
  UC449845  Salix lemmonii L. S. Smith 1931-5-27 7 a Plumas Plumas Meadow Plumas Nat'l Forest, Plumas Meadow Comment
  UC846670  Salix lemmonii Alice Eastwood 1918-5-25 7004 Plumas Portola Comment
  CAS-BOT-BC125101  Salix ligulifolia W. R. Dudley 1909-8-25 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC125104  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC482034  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  CAS-BOT-BC129352  Salix melanopsis unspecified 1931-5-27 7 Plumas Plumas Meadows Comment
  LA208871  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 396 Plumas N fork of Feather River, at Chester, at hwy bridge 1350.0 Comment
  CAS-BOT-BC129395  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester 1350 Comment
  SEINET10899094  Salix melanopsis Mary Susan Taylor 1982-5-13 Taylor 4438 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  CAS-BOT-BC176980  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas South tip Lake Almanor, near P.G.E. dam, Hwy 89 1371 Comment
  UCSB64022  Salsola tragus Ahart, Lowell 1981-9-6 Plumas Along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills 1097 Comment
  UC454120  Salvia dorrii var. pilosa Katharine Brandegee 1911-7-30 Plumas Portola Comment
  JEPS12748  Sambucus mexicana W. L. Jepson 1939-8-16 19448 Plumas Spanish Peak; lower s slopes 1036 Comment
  RSA59182  Sambucus microbotrys E. K. Balls 1950-9-1 15608 Plumas East of Long Lake at base of cliffs at top of meadow leading down to two smaller lakes 2134 Comment
  CAS-BOT-BC238848  Sambucus nigra subsp. caerulea John Thomas Howell 1960-7-19 35671 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC65096  Sambucus racemosa var. microbotrys Vernon H. Oswald; Lowell Ahart 1995-7-24 7110 Plumas Caribou Wilderness N of Chester, on the trail between Indian Mdw. And Beauty Lake. 1981 Comment
  RSA83055  Sanicula Alva Grant, Verne Grant 1948-6-13 8585 Plumas 1 mile from Cascade road to Oroville. Comment
  CAS-BOT-BC223221  Sanicula bipinnatifida A. A. Heller; P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville Comment
  HSC104013  Sanicula graveolens L. Ahart 2008-7-16 15099 Plumas About 2.5 air mi. N of La Porte, ~ 0.25 mi. W of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, ~ 100 yds. N of paved road, east of small meadow (swamp) 1598 Comment
  SEINET11268192  Sanicula graveolens Barbara Ertter, Gary Schoolcraft 1990-5-14 8972 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir.; 0 1372 Comment
  CHSC97160  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
  SEINET3815684 Image available Sanicula tuberosa J. M. Tucker 1948-7-24 1721 Plumas Near road from Cascade to Camel Peak 1615 Comment
  SEINET3240186  Santalaceae R. L. Mathiasen 2007-1 2007 -32 Plumas Ca. 4.8 km W of Meadow Valley on high road to Bucks Lake 1470 Comment
  SEINET4173732  Sarcobatus vermiculatus W. Harnach, N. Harnach 2000-8-23 997 Plumas Sierra Valley, 1 mile west of the Steel Bridge on Marble Lane 1486 Comment
  JEPS116641  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park 1851 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-BC111574  Schoenoplectus americanus W. R. Dudley 1909-8-26 s.n. Plumas Near East Hot Springs, Sierra Valley. Comment
  CHSC55807  Schoenoplectus americanus Vernon H. Oswald 1991-9-11 4865 Plumas Lassen Volcanic National Park. Hot springs terrace on the south side of the meadow at Drakesbad. Along drainages on the slope south of Hot Springs Creek. 1731 Comment
  CAS-BOT-BC35584  Scirpus congdonii Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC35587  Scirpus congdonii Walter Knight; Irja Knight 1966-6-19 1386 Plumas Butterfly Valley 1127 Comment
  CHSC65854  Scirpus congdonii L. P. Janeway 1995-7-23 4876 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Rd 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  CAS-BOT-BC30736  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1522 Plumas Area adjacent to Pond Reservoir. 1097 Comment
  CAS-BOT-BC30739  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1673 Plumas Sweetwater Meadow. 1127 Comment
  CHSC64151  Scirpus microcarpus B. Castro; R. A. Schlising 1987-7-21 180 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98, in forest between spring on unnamed E-trending tributary to Mohawk Ck and a small meadow which extends down to Rd 22N98. 1600 Comment
  CHSC66649  Scirpus microcarpus Vernon H. Oswald 1996-7-15 8034 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. 1371 Comment
  CAS-BOT-BC111000  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Begley Pass 1691 Comment
  CAS-BOT-BC111013  Scirpus microcarpus L. P. Janeway 1990-8-29 3847 Plumas Ca. 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Mt. Ingalls quad. 1905 Comment
  RSA59406  Scirpus microcarpus E. K. Balls 1950-9-8 15715 Plumas Stream west of Lakes Center Public Campground, Southern Plumas County 2043 Comment
  UC174631  Scutellaria A. A. Heller and P. B. Kennedy 1907-7-11 8798 Plumas Prattville Comment
  UC1713589  Scutellaria antirrhinoides C. Epling 1938-6-1 Plumas Prattville Comment
  CHSC118772  Scutellaria galericulata Wendy L. Boes 2016-9-6 2016 -040 Plumas On the northeastern shore of Antelope Lake in cove east of Forest Road 27N22Y along the 27N41. (UTM 706719 E, 4451398 N, NAD 83 Zone 10 North.) 1506 Comment
  JEPS62880  Scutellaria siphocampyloides R. H. Platt 1891-1 Plumas Prattville; The Sierras, Prattville Comment
  CAS-BOT-BC240091  Secale cereale John Thomas Howell; Gordon H. True 1968-6-10 44554 Plumas Quincy 1036 Comment
  OBI30646  Sedum Bernie Smith 1966-7-25 185 Plumas Pinchard Creek Comment
  CHSC21654  Sedum laxum subsp. laxum D. Brink; L. Mayer 1975-7-6 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC61463  Sedum laxum subsp. laxum Lowell Ahart 1968-6-29 s.n. Plumas Near La Porte. 914 Comment
  CHSC46746  Sedum obtusatum subsp. boreale Lowell Ahart 1979-7-18 2005 Plumas About 1 mile west of Pilot Peak, near the large outcrop on the east side of Quincy La Porte Road, south of Onion Valley, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC418398  Sedum plumasanum John Thomas Howell; Arthur Menzies 1963-6-2 39384 Plumas On serpentine along highway just east of Rich Bar Comment
  CHSC76129  Sedum spathulifolium G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3312 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek. 1341 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-BC62197  Selaginella wallacei Lewis S. Rose 1967-5-8 67071 Plumas 3 1/2 mi. sw. of Belden, North Fork, Feather River 762 Comment
  SEINET6409438  Selaginella wallacei J. T. Howell 1959-9-26 35082 Plumas Sierra Nevada, Storrie 549 Comment
  CDA11291  Senecio eurycephalus var. eurycephalus G. F. Hrusa 1994-5-31 11886 Plumas Sierra Nevada; Junction of Hwy. 70 and Pulga Rd. Comment
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  CHSC60525  Senecio hydrophiloides L. P. Janeway; Jannice Cutler 1992-5-26 4203 Plumas Plumas National Forest. Stringer meadow ca 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove. 1761 Comment
  CAS-BOT-BC363796  Senecio integerrimus John Thomas Howell 1962-6-18 37740 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC363919  Senecio integerrimus var. exaltatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54238 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  JEPS106189  Senecio integerrimus var. exaltatus Lowell Ahart, Josephine Guardino 2004-5-24 10941 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1224 Comment
  RSA0124964  Senecio integerrimus var. exaltatus E. K. Balls, Lee W. Lenz 1955-5-13 20703 Plumas Between Tobin and Camp Rogers, US Hwy 40 alt. 610 Comment
  RSA0125030  Senecio integerrimus var. exaltatus P. B. Kennedy, A. A. Heller 1907-7-5 8742 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC364400  Senecio triangularis Catherine Best 1983-8-29 878 Plumas Lakes Basin Campground 1920 Comment
  JEPS115175  Senecio triangularis Lowell Ahart, John Dittes 2009-7-13 16045 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC364766  Sericocarpus oregonensis subsp. californicus Walter Knight; Irja Knight 1966-9-12 1735 Plumas Butterfly Botanical Area and Vicinity. Rubble Gap 1127 Comment
  POM282878  Sidalcea glaucescens Lyman Benson 1932-7-29 3980 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS67210  Sidalcea glaucescens W. I. Follett 1937-7-27 Plumas at a point on the (old) Oroville-Quincy highway 1.2 mi w Meadow Valley P.O. (Meadow Valley); Meadow Valley 1127 Comment
  RSA755544  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 miles west of junction with Highway 89 and Highway 36 southwest of Chester. 1463 Comment
  CAS-BOT-BC205769  Sidalcea oregana Paul F. Covel 1937-7-20 869 Plumas Quincy Comment
  CHSC91945  Sidalcea oregana subsp. spicata Lowell Ahart; Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS107629  Sidalcea oregana subsp. spicata Lowell Ahart, Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UC198514  Sidalcea oregana subsp. spicata Katharine Brandegee 1913-1 Plumas Portola Comment
  JEPS67270  Sidalcea oregana subsp. spicata W. I. Follett 1934-6-4 66 Plumas 1.3 mi w Bucks Lodge; w of Bucks Lodge Comment
  RSA59475  Sidalcea oregana subsp. spicata E. K. Balls 1960-9-16 15876 Plumas Near Fish Hatchery, just N of Plumas and Sierra Co line. 1433 Comment
  CHSC73940  Silene bridgesii B. Castro; L. Gehrung 1998-10-2 853 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge west of Pilot Peak ca 0.1 mi NW of jcn of the Pacific Crest Trail, Co. Rd 511, and USFS Rd 22N60. On NNE-facing slate outcrop. 1981 Comment
  CAS-BOT-BC384431  Silene coronaria M. S. Taylor 1982-8-23 5035 Plumas Hillside above Feather River, ca. 1/4 mi n of Dutch Creek, ca. 1/2 mi ne of Twain 853 Comment
  CAS-BOT-BC386987  Silene douglasii Ahart Lowell 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  CHSC41202  Silene douglasii J. D. Jokerst 1984-7-10 2088 Plumas Near Indian Creek. Canyon of Indian Creek near first major spur ridge E of Rattlesnake Ravine, between creek and Indian Cr. Road. 1249 Comment
  JEPS48666  Silene douglasii Esther C. Fritz 1933-7-15 Plumas near Look-out Station (Spanish Peak); , near Look-out Station 2145 Comment
  CHSC109552  Silene douglasii var. douglasii L. P. Janeway 2012-7-17 10949 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1728 Comment
  CHSC63126  Silene douglasii var. douglasii Lowell Ahart 1994-6-29 7407 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CAS-BOT-BC389386  Silene lemmonii Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC389392  Silene lemmonii D. E. Breedlove 1962-6-12 3449 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CDA15898  Silene lemmonii B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA18440  Silene lemmonii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3142 Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  CHSC70236  Silene lemmonii B. Castro 1989-8-3 340 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18, in drainage above stream. 1828 Comment
  POM161352  Silene lemmonii Rimo C. Bacigalupi 1927-7-7 1637 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley. Comment
  RSA71063  Silene lemmonii L. S. Rose 1951-6-27 51039 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  SBBG2040  Silene lemmonii H. and M. Dearing 1938-7-1 2253 Plumas 1 mi E of Lake Almanor 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
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  SEINET10537589  Silene lemmonii Mary Susan Taylor 1982-6-17 Taylor 4692 Plumas T23N R11E sw/nw sec 17. Blue Nose Mt quad. Both sides of 23N44Y, 1.3 mi w of its jct with Bell Bar Cr Rd (23N50Y), ca. 2 air mi sw of Sloat. Elev 4900 ft. 1493 Comment
  UCSB27410  Silene lemmonii Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam 1158 Comment
  UC1037199  Silene nuda Leo Whitney 1934-8-28 1540 Plumas 12 mi s Jonesville (near Murdock Crossing); Plumas National Forest, s of Jonesville 1920 Comment
  SEINET10537592  Silene nuda subsp. insectivora Mary Susan Taylor 1981-7-11 Taylor 4068 Plumas T27N R7E ne/ne sec 10, Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89; 4500 ft elev. 1372 Comment
  CAS-BOT-BC181363  Silene occidentalis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  NY342644  Silene pectinata M. E. P. Ames 1875-1 s.n. Plumas Comment
  CAS-BOT-BC75113  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1540 Plumas Butterfly Botanical Area and Vicinity. Along roadside near mouth of Butterfly Creek 1036 Comment
  UCD115461  Sisymbrium altissimum E. K. Balls 1950-9-15 15853 Plumas south tip of Lake Almanor by PG and E Station, Highway 89. 1371 Comment
  NY185689  Smelowskia ovalis var. congesta J. G. Lemmon 1872-1 s.n. Plumas Sassen's (?illegible) Peak Comment
  CHSC43367  Solanum parishii Lowell Ahart 1975-7-16 886 Plumas West of the South Fork of the Feather River, about 1 mile north of Little Grass Valley Reservoir. 1828 Comment
  JEPS102317  Solanum umbelliferum Lowell Ahart 2001-6-4 8752 Plumas 4 1/2 air miles N of La Porte (W side of the dirt road, W of South Fork of the Feather River, about 1/4 mi N of Little Grass Valley Reservoir) 1584 Comment
  RSA718041  Solidago canadensis subsp. elongata R. D. Fischer 2004-8-7 820 Plumas Sierra Nevada foothills between Butte Meadows and Highway 89 along Humbug Valley Road at the Yellow Creek crossing. 1220 Comment
  JEPS114534  Solidago elongata Lowell Ahart 2008-8-13 15191 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  UC1070241  Solidago elongata G. T. Nordstrom 1934-7-17 230 Plumas 1 1/2 mi s and 1/2 mi e Bucks Mtn.; Bidwell Bar Quad., Plumas National Forest Comment
  UC1999895  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9304 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  CHSC99235  Solidago velutina subsp. californica John Dittes; Lowell Ahart 2005-9-19 1291 Plumas Northern High Sierra Nevada Range; ca. 7.1 air miles E x SE of Taylor Lake; disturbed open dry area just north of FS Route 27N10. 1955 Comment
  CAS-BOT-BC157316  Sorbus californica Anna Head 1921-8-2 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UCD114035  Sorbus californica B. F. Smith 1967-9-5 63 Plumas Vicinity of La Porte. 1371 Comment
  CHSC115747  Sorbus scopulina L. P. Janeway 2015-8-3 11818 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 4.9 road-km north of Oroville-Quincy Hwy and Grizzly Summit; 1.6 air-km north-northeast of Grizzly Summit. 1596 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
  CDA15905  Spergularia rubra B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; about upper Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC390686  Spergularia rubra Alice Eastwood 1927-6-11 14448 Plumas United States Forest Reserve. Crescent Mills Comment
  SEINET10454596  Sphenosciadium capitellatum Mary Susan Taylor 1981-7-27 Taylor 4120 Plumas T25N R12E SW 1/4 NE 1/4 sec 25. Grizzly valley quad. Along spring crossing. Beckworth-Genesse Rd., between Crystal and Meadow Creeks, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft. 1757 Comment
  SD8401  Spiraea densiflora Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC149665  Spiraea douglasii John Thomas Howell; Gordon H. True 1973-7-31 50134 Plumas On road from Janesville to Thompson Peak, Diamond Range 1905 Comment
  CDA17256  Spiraea douglasii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16283 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  SDSU9262  Spiraea douglasii D. F. Howe 1960-9-21 2991 Plumas 6.0 miles N of Greenville on #89. 1219 Comment
  UC1128718  Spiraea douglasii F. W. Embree 1934-6-6 86 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  CAS-BOT-BC149652  Spiraea douglasii Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Feather River [Canon] Canyon Comment
  CHSC95151  Spiranthes porrifolia R. D. Fischer; Jenny Marr 2004-8-7 853 Plumas Northern Sierra Nevada between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  UC1101241  Spirodela polyrhiza Malcolm A. Nobs and S. Galen Smith 1949-8-19 1398 Plumas ca 2 mi s Greenville; Indian Valley Comment
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CDA13978  Stachys ajugoides G. F. Hrusa 1996-8-2 13442 Plumas Sierra Nevada; at SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  POM283289  Stachys ajugoides R. M. Austin 1908-09 s.n. Plumas American Valley, Sierra Nevada Mt. Range. Comment
  OBI13461  Stachys pycnantha Lewis S. Rose 1966-7-27 66061 Plumas Butterfly Crk, 2 mi S of Keddie 1006 Comment
  RSA82571  Stachys rigida subsp. rivularis F. W. Peirson 1926-6-21 6804 Plumas Open strip along shore of Lake Almanor. Comment
  CHSC73942  Stellaria crispa B. Castro; L. P. Janeway 1998-8-29 834 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake. 1661 Comment
  JEPS114798  Stellaria crispa Lowell Ahart 2008-8-13 15169 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS95479  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  RSA755775  Stellaria crispa L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  CAS-BOT-BC397727  Stellaria nitens John Thomas Howell 1975-6-16 51160 Plumas 2 miles NW of Spring Garden 1173 Comment
  CAS-BOT-BC375055  Stenotus acaulis E. Sawyer 1935-6-18 126 Plumas 5 miles south southeast of Crow, Plumas National Forest 1981 Comment
  CHSC60604  Stenotus acaulis L. P. Janeway 1989-6-16 3327 Plumas Plumas National Forest. Northeast slope of Crocker Mountain facing Red Clover Valley. 1828 Comment
  RSA121580  Stenotus acaulis E. Sawyer 1935-6-18 126 Plumas 5 miles SSE of Crow. 1982 Comment
  UC579483  Stenotus acaulis E. Sawyer 1935-6-18 126 Plumas five miles southeast of Crow 1981 Comment
  CAS-BOT-BC375626  Stephanomeria lactucina Thomas H. Kearney 1944-8-14 170 Plumas Near Prattville, Lake Almanor Comment
  CHSC34909  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
  OBI50217  Stephanomeria lactucina Barbara Ertter 1988-7-25 7852 Plumas Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Crk, T28N R12E sec 20 NWNE 1981 Comment
  RSA126588  Stephanomeria spinosa C. W. Hanks 1934-8-6 2 Plumas N end of Sierra Valley. 1555 Comment
  UC63151  Stephanomeria tenuifolia H. M. Hall and E. B. Babcock 1903-1 4434 Plumas Indian Valley Sierra Nevada Mountains 1097 Comment
  SEINET8061984  Stipa comata W. Harnach, N. Harnach 1990-6-16 381 Plumas Sierra Valley. N of Vinton, Frank Dotta Ranch. 1524 Comment
  SEINET8077446  Stipa hymenoides W. Harnach, N. Harnach 1990-6-16 382 Plumas Sierra Valley, N of Vinton, Frank Dotta Ranch. 1524 Comment
  CHSC118779  Stipa lettermanii Chelsea Morgan; Wendy L. Boes 2015-6-2 2015 -007 Plumas Plumas National Forest. Northwest side of Rush Creek Hill. East of Forest Service road 26N22, north of 26N67 (UTM 659249 E, 4438019N, NAD83 Zone10N.) 1700