Search Results — 2000 specimen records retrieved (1452 records with coordinates)
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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
  RSA384210  Abies concolor B. C. Templeton 1967-4-24 s.n. Plumas About 16 miles E of Quincy. Comment
  CHSC84949  Abies magnifica var. magnifica Lowell Ahart 2003-10-15 10633 Plumas About 60 yards south of the road to Tamarack Flat, on the south side of a very small branch of Fall River, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  UC917262  Acer glabrum var. glabrum J. M. Tucker 1948-7-25 1737 Plumas sw side of Camel Peak Pinchard Creek, sw side of Camel Peak (Pinchard Creek, mine of United Mining Company) 1524 Comment
  CHSC47374  Acer glabrum var. torreyi Lowell Ahart 1981-8-7 3023 Plumas about 1 mile north-east of Pilot Peak, along the dirt road from Onion Valley to Hopkins Creek, about 16 miles north-east of La Porte. 1767 Comment
  POM85454  Acer glabrum var. torreyi Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  CAS-BOT-BC333226  Acer macrophyllum Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 871 Plumas On La Porte Rd., 10 km S of jct with Hwy 70. 1400 Comment
  SBBG128285  Acer macrophyllum L. Ahart, J. Dittes 2009-7-13 16047 Plumas N side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 2.0 mi N of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Almanor Reservoir Dam 1476 Comment
  SEINET10472843  Achillea Mary Susan Taylor 1981-7-13 Taylor 3996 Plumas T24N R16E sw/sw sec 5, Frenchman Lake quad. Ca. 20-100 yds N of 25N43, ca. 0.5 mi W of 25N11 at N tip of the Lake, ca. 13 air mi N of Chilcoot. Sagebrush Scrub, dry and open to partial shade on edge of Jeffrey Pine Forest. 5700 ft 1737 Comment
  CAS-BOT-BC28739  Achillea millefolium John Thomas Howell 1960-7-18 35576 Plumas Drakesbad 1828 Comment
  CHSC97588  Achillea millefolium Lowell Ahart; John Dittes 2007-6-16 14122 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee 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
  UC1125403  Achillea millefolium A. Lewis 1934-6-18 485 Plumas Little Grass Valley; Downieville Quad. 1524 Comment
  CAS-BOT-BC260431  Achnatherum hymenoides W. Harnach; N. Harnach 1990-6-16 382 Plumas Frank Dotta Ranch 1524 Comment
  CHSC67748  Achnatherum lemmonii James D. Jokerst 1984-7-11 2100 Plumas Ward Creek Hydro Survey: Top of ridge on exposed bedrock S of Genesee Valley, W of Ward Creek. 1584 Comment
  UC717966  Achnatherum lemmonii David D. Keck 1944-7-8 5437 Plumas 2 mi sw, on Indian Creek Crescent Mills (Dixie Canyon Store); Sierra Nevada, Indian Creek 1066 Comment
  UCD148594  Achnatherum lemmonii G. F. Hrusa; T. D. Wilfred 1996-7-22 13387 Plumas Sierra Nevada. Plumas National Forest. On south side above Little Long Valley Creek. Approximately 1/2 mile north of Highway 70 about 15 miles east of Quincy. 1590 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
  POM198336  Achnatherum lemmonii var. lemmonii H. S. Yates 1912-6-14 s.n. Plumas Portola 1524 Comment
  JEPS113738  Achnatherum nevadense Lowell Ahart, John Dittes 2007-6-17 14156 Plumas On dry bare rocky soil, on a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) 1654 Comment
  CAS-BOT-BC216882  Achnatherum occidentale Mary Strong Clement 1920-8-16 s.n. Plumas Greenville Comment
  UCD50896  Achnatherum occidentale Leo Whitney 1934-8-11 2189 Plumas Big Grizzley Valley, Plumas National Forest. 10 miles northwest of Portola. 1828 Comment
  CHSC52758  Achnatherum occidentale subsp. californicum L. P. Janeway 1990-8-2 3821 Plumas Plumas National Forest. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. 2057 Comment
  RSA201302  Achnatherum occidentale subsp. californicum J. T. Howell 1960-7-20 35787 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  UC1133078  Achnatherum occidentale subsp. californicum F. W. Embree 1934-6-11 94 Plumas 1 mi ne Bucks Ranch; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC108144  Achnatherum occidentale subsp. occidentale Lowell Ahart 2011-9-17 17673 Plumas On bare open basalt, about 200 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 180 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  RSA201345  Achnatherum occidentale subsp. occidentale J. T. Howell 1960-7-19 35670 Plumas Drakesbad. 1677 Comment
  UC641660  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1939-6-6 2899 Plumas 1.7 mi e on road to Quincy Meadow Valley 1097 Comment
  UCD51299  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Canadian Zone forest, summit ridge of Thompson Peak, Diamond Range. 2133 Comment
  CHSC40854  Acmispon americanus var. americanus K. R. Stern 1985-6-25 8271 Plumas East side of highway 70, vicinity of Blairsden. 1371 Comment
  UC1125852  Aconitum columbianum C. G. Albertus 1935-8-3 247 Plumas 1 1/2 mi. s.e. Cromberg; Plumas Nat'l Forest, Downieville Quad. Comment
  SEINET10535954  Aconitum columbianum Mary Susan Taylor 1981-7-21 Taylor 4092 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CAS-BOT-BC391481  Aconitum columbianum subsp. columbianum R. Carter 1966-7-10 478 Plumas Found ca. 12 mi. W of Quincy, 1 mi. N Bucks summit on W side Oroville-Quincy Rd. 1615 Comment
  CAS-BOT-BC413838  Aconogonon davisiae G. Schoolcraft 1989-7-3 1940 Plumas Diamond Mtns. north of Red Rock Lookout Comment
  UC1584686  Adenocaulon bicolor Jerry Powell 1986-7-23 1495 Plumas 5 mi n, in Feather River Canyon Blairsden; Feather River Canyon Comment
  UC811186  Adiantum X tracyi Mrs. E. C. Sutliffe 1919-6-21 Plumas near Gold Lake Comment
  CAS-BOT-BC65503  Adiantum aleuticum Mrs. R. M. Austin s.n. Plumas unspecified Comment
  CHSC84354  Adiantum aleuticum Lowell Ahart 2003-8-13 10504 Plumas On the south side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CAS-BOT-BC62300  Adiantum aleuticum Margaret Williams 1967-8-20 s.n. Plumas Rene's Falls on Jamison Creek, above Johnsville 1828 Comment
  UCD137177  Adiantum aleuticum B. Castro; Gail Kuenster 1994-9-21 548 Plumas Ca. 2.5 air miles S of Bucks Lake, ca. 0.7 mi. W of USFS Rd 23N18, along N-trending perennial creek which drains the NE corner of Red Mtn and feeds into Cedar Flat. 1722 Comment
  CHSC70799  Agastache urticifolia B. Castro 1989-8-17 396 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in Mud Lake Research Natural Area on Plumas NF. 2042 Comment
  UCR18723  Agastache urticifolia Frank C. Vasek 1975-7-10 750710- 24 Plumas Chilcoot Campground, south of Frenchman Lake 1555 Comment
  SD6640  Agastache urticifolia Daniel Cleveland 26 Jul 188- Plumas Big Meadows, Hamilton Bridge Comment
  CHSC45219  Ageratina occidentalis Lowell Ahart 1974-9-6 625 Plumas Near the house along the West Branch of Nelson Creek, about 5 miles west of Johnsville. 1828 Comment
  CHSC58487  Ageratina occidentalis Vernon H. Oswald; Lowell Ahart 1992-7-6 5069 Plumas Lassen Volcanic Park. On Kelly Mtn ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1792 Comment
  CHSC97306  Ageratina occidentalis Lowell Ahart; John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2416 Comment
  CHSC80136  Agoseris glauca var. laciniata L. P. Janeway 1996-6-5 4990 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
  CHSC96846  Agoseris glauca var. laciniata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14040 Plumas Under pine trees, about 150 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  UC170965  Agoseris grandiflora var. grandiflora H. M. Hall 1912-8-3 9379 Plumas Quincy 1066 Comment
  CAS-BOT-BC22910  Agoseris heterophylla Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2130 Plumas Butterfly Botanical Area and vicinity 1127 Comment
  CAS-BOT-BC22912  Agoseris heterophylla Lewis S. Rose 1967-6-12 67108 Plumas Butterfly Valley, ca. 3 mi. w. of Keddie 1036 Comment
  CDA18451  Agoseris heterophylla G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3192 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CAS-BOT-BC13248  Agoseris monticola L. W. Swift 1934-5-15 111 Plumas Big Last Chance Creek, Plumas National Forest 1767 Comment
  UC2042974  Agoseris retrorsa Barbara Ertter with Gary Schoolcraft 1990-5-14 8971 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  SEINET12851510  Agropyron elongatum W. Harnach, N. Harnach 2000-8-23 994 Plumas Sierra Valley, on Dyson Lane, 0.25 mile E of the intersection with County Road A-24. 1492 Comment
  UCD51873  Agrostis capillaris John Thomas Howell 1975-6-15 51129 Plumas Quincy. 1036 Comment
  CAS-BOT-BC127081  Agrostis exarata John Thomas Howell; Gordon H. True 1973-7-31 50087 Plumas Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range. 2194 Comment
  CAS-BOT-BC127087  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127088  Agrostis exarata Thomas H. Kearney 1944-8-14 4 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC127092  Agrostis exarata John Thomas Howell 1976-7-15 51844 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  JEPS122184  Agrostis exarata Lowell Ahart 2014-8-26 19795 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC139250  Agrostis idahoensis Lowell Ahart 1977-7-9 1522 Plumas 10 miles northeast of La Porte. About 0.5 mile below the Bunker Hill Mine. 1800 Comment
  CAS-BOT-BC138997  Agrostis pallens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 2000 Comment
  UCD53343  Agrostis scabra Beecher Crampton 1964-8-25 7158 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  RSA715708  Agrostis stolonifera L. Ahart, Josephine Guardino 2005-8-9 12298 Plumas In meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of the Boulder Creek Work Center at Antelope Lake. 1598 Comment
  CAS-BOT-BC267057  Alisma John Thomas Howell 1959-9-26 35061 Plumas Near Virgilia 838 Comment
  UC985658  Alisma plantago-aquatica Malcolm A. Nobs and S. Galen Smith 1949-8-19 1402 Plumas ca 2 mi s Greenville; Indian Valley Comment
  CAS-BOT-BC445452  Alisma triviale Lowell Ahart 1981-9-6 3119 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  RSA52912  Alisma triviale R. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles S of Crescent Mills. 1037 Comment
  CAS-BOT-BC459425  Allium acuminatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54204 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  CDA39431  Allium acuminatum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3180 Plumas 2.5 miles (4 km) north-east of Quincy Junction on Mt. Hough-Crystal Lake Road at Howells Road junction. Comment
  CAS-BOT-BC459459  Allium bisceptrum Anna Head 1921-7-20 s.n. Plumas Trail head Round Lake, Feather River region Comment
  CDA32389  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-17 3817 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  NY247821  Allium campanulatum M. E. P. Ames s.n. Plumas Comment
  SBBG21926  Allium campanulatum D. Myrick 1964-7-19 872 Plumas Boiling Lake (Boiling Springs Lake) 1828 Comment
  CAS-BOT-BC466465  Allium campanulatum Alice Eastwood 1927-6-11 14435 Plumas Paxton Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  CAS-BOT-BC466623  Allium campanulatum Frank W. Peirson 1926-6-21 6805 Plumas Quincy. Northern Sierra Nevada 2074 Comment
  CAS-BOT-BC472960  Allium lemmonii John Thomas Howell 1962-6-18 37767 Plumas Sierra Valley near Beckwourth; Sierra Nevada 1487 Comment
  CAS-BOT-BC472813  Allium obtusum Margaret Williams; Emily McPherson 1974-8-5 74 -P-4 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin, Sierra Nevada 2072 Comment
  CAS-BOT-BC474284  Allium obtusum var. obtusum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad. Lassan Nat'l Park Comment
  SEINET10471965  Allium obtusum var. obtusum Mary Susan Taylor 1981-5-14 Taylor 3721 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  CHSC63432  Allium parvum Vernon H. Oswald 1994-6-8 6263 Plumas E side of Juniper Lake Rd. just S of the boundary of Lassen Volcanic National Park, N of Chester. 1973 Comment
  JEPS29777  Allium platycaule Lauramay T. Dempster 1961-6-16 1466 Plumas n. Engelmine (ridge n. of Red Rock) Comment
  SEINET8191559  Allium platycaule A. A. Heller, P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover Valley. Comment
  CAS-BOT-BC476726  Allium validum M. S. Taylor 1982-8-4 4917 Plumas Along spring on N side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi. NE of Quincy. 1889 Comment
  NY380655  Allocarya ambigens A. A. Heller 1907-7-2 8682 Plumas Between Vinton and Beckwith Comment
  CHSC46644  Allophyllum integrifolium Lowell Ahart 1989-7-7 6369 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC60123  Allophyllum integrifolium L. P. Janeway 1992-6-9 4228 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. On low ridge top. 1897 Comment
  JEPS114527  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
  CAS-BOT-BC171364  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake. Sierra Nevada. Feather River Watershed 2133 Comment
  RSA718937  Alnus rhombifolia L. Ahart 2006-10-8 13407 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1.25 miles southwest of Belden. 715 Comment
  CHSC97534  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  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
  UC1024782  Alopecurus aequalis Leo Whitney 1934-8-6 2241 Plumas ca. 9 mi. n.w. Portola (Freeman Creek); Plumas Nat'l Forest, n.w. end Big Grizzley Valley, Freeman C 1828 Comment
  CAS-BOT-BC138114  Alopecurus aequalis var. aequalis John Thomas Howell 1961-9-25 36952 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  SEINET10507148  Alopecurus geniculatus Mary Susan Taylor 1982-8-27 Taylor 5062 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  JEPS102577  Amaranthus californicus Lowell Ahart 2001-10-16 9366 Plumas On the south side of a small stream, below the high water line and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS102800  Amaranthus californicus Lowell Ahart 2001-8-29 9245 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1602204  Amaranthus retroflexus H. E. Brown Aug 15 1897-Aug 31 1897 663 Plumas near Lassen Buttes 1828 Comment
  JEPS120755  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  UCD112870  Amelanchier alnifolia Michael A. Vincent 1999-6-7 8536 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  CHSC98992  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-6-5 14813 Plumas Steep north side of a logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  CAS-BOT-BC136782  Amelanchier utahensis John Thomas Howell; Gordon H. True 1967-7-11 43339 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC136791  Amelanchier utahensis Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC136797  Amelanchier utahensis M. B. Kildale 1926-9-11 2790 Plumas Chester 1289 Comment
  JEPS123951  Amelanchier utahensis Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20418 Plumas On the west side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  UC1127765  Amelanchier utahensis N. French 1934-11-16 560 Plumas 6 mi s Beckwith; Sierraville Quad. 1508 Comment
  JEPS48879 Image available Amelanchier utahensis Esther C. Fritz 1933-6-28 Plumas about Camp Califorest 1188 Comment
  CAS-BOT-BC213969  Amsinckia John Thomas Howell; H. Keith Wagnon 1980-5-27 53680 Plumas Quincy, Sierra Nevada 1051 Comment
  UC725951  Amsinckia menziesii var. menziesii A. A. Heller 1941-5-22 16145 Plumas along roadside just beyond Spanish Creek (outside of Quincy on State Hwy #24) Comment
  CAS-BOT-BC64279  Anaphalis margaritacea Walter Knight; Irja Knight 1966-9-12 1736 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET5525818  Anaphalis margaritacea I. W. Carpenter, Hicks, M. L. 1976-7-28 Plumas Mt. Lassen National Park Comment
  SEINET10536191  Anemone drummondii Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4470 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-BC391927  Anemone lyallii L. S. Smith 1932-5-17 2656 Plumas Plumas National Forest. Above Strawberry Valley 1066 Comment
  CAS-BOT-BC391928  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas West of Chester Comment
  CDA14139  Antennaria argentea G. F. Hrusa 1997-5-3 13829 Plumas Sierra Nevada; Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CAS-BOT-BC59177  Antennaria dimorpha Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  RSA641872  Antennaria dimorpha Michael A. Vincent 1999-6-8 8565 Plumas Plumas Nat'l Forest, Milford Ranger Dist. Squaw Valley; around jct of FS Route 70 and FS 01. Comment
  CHSC57118  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  CAS-BOT-BC58706  Antennaria geyeri L. P. Janeway 1991-8-4 4130 Plumas Saddle E of Squaw Valley Peak along Beckwourth-to-Laufman Road 1905 Comment
  JEPS7474  Antennaria geyeri Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3483 Plumas 1/2 mi e of the town limits Portola 1493 Comment
  CAS-BOT-BC86956  Antennaria pulchella Alice Eastwood 1912-8-22 1857 Plumas Foot of Lassen Butte Comment
  CHSC76032  Antennaria rosea G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3266 Plumas Mount Hough summit. 2194 Comment
  POM181082  Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CHSC63446  Antennaria rosea subsp. confinis Lowell Ahart 1994-7-22 7501 Plumas Along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  UCD149069  Antennaria umbrinella G. Ledyard Stebbins 1982-6-13 C 203 Plumas Stony Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS96117  Anthoxanthum odoratum Vernon H. Oswald and Lowell Ahart 1996-7-15 8052 Plumas just s of Last Chance Campground (on Forest Road 28N11, Last Chance Marsh at the n end of Lake Almanor, High Cascade Range); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  SEINET10547816  Antirrhinum breweri Mary Susan Taylor 1981-7-26 Taylor 4113 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. On open rocky serpentine cliff, N side of Caribou Rd., 3.7 mi NE of its jct with Hwy 70 near Beldon. 853 Comment
  JEPS108994  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 2006-10-8 13421 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
  JEPS83414  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas 0.3 mi ne Hwy. 70 intersection with Pulga Road, ne end of bridge (Hwy 70, on n side of road); Pulga Quad. (15', 1957) 487 Comment
  CHSC55632  Apera interrupta K. R. Stern 1985-6-25 8295 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS115205  Apocynum androsaemifolium Lowell Ahart, John Dittes 2009-7-15 16102 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1005693  Apocynum androsaemifolium Frank W. Gould 1938-6-26 439 Plumas 5 mi. n. Blairsden 1350 Comment
  UC1123470  Apocynum androsaemifolium F. W. Embree 1934-6-11 97 Plumas 1 mi. n.e. Bucks Ranch; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  UC1713778  Apocynum androsaemifolium Mrs. A. L. Coombs July, 1902 Plumas Prattville Comment
  JEPS46321  Apocynum androsaemifolium W. L. Jepson 1939-8-7 19347 Plumas near University Camp (Meadow Valley); Meadow Valley 1158 Comment
  RSA59487  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-15 15892 Plumas S tip Lake Almanor by P.G.E. dam, Hwy 89. 1372 Comment
  CHSC34867  Apocynum cannabinum M. S. Taylor 1981-7-29 4134 Plumas Jct of Flournoy Grade (25N42) and Beckwourth-Genesee Rd, ca. 3 air mi ne of Genesee. 1127 Comment
  CAS-BOT-BC397876  Aquilegia formosa Anna Head 1920-7-12 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC397883  Aquilegia formosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC1075690  Aquilegia formosa Robert J. Weatherby 1955-7-2 1577 Plumas below Bear Ridge (by creek near Taylor) 2072 Comment
  UC1541460  Arabis H. E. and S. T. Parks Jun 1928 231 Plumas Drakesbad Lassen National Park 1981 Comment
  RSA0125748  Arabis breweri var. breweri S. O. Mattoon 1978-3-25 29 Plumas North Fork Feather River, vicinity of Queen Lily Camp Ground; off Hwy 70. 732 Comment
  SEINET10448238  Arabis drummondii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4330 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  RSA0126161  Arabis glabra J. T. Howell, Gordon H. True, Walter Knight, I. Knight 1967-7-10 2129 Plumas Butterfly Botanical Area and Vicinity. 1128 Comment
  RSA699250  Arabis holboellii var. pinetorum L. Ahart, John Dittes, Josephine Guardino 2004-6-6 10995 Plumas On the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1518 Comment
  HSC95488  Arabis sparsiflora James D. Jokerst 1987-5-28 2886 Plumas Ward Creek Canyon, on steep rocky edge SW of creek 1463 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
  CHSC55291  Arceuthobium campylopodum L. P. Janeway 1989-9-6 3641 Plumas Plumas National Forest. Beckwourth Ranger District. Crocker Compartment. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  UC1078838  Arceuthobium campylopodum Job Kuijt 1958-5-20 1346 Plumas 21.5 mi n Sierraville Comment
  CAS-BOT-BC24155  Arctostaphylos W. Harnach; N. Harnach 1990-4-13 255 Plumas N slope on rocky soils of volcanic origin, Sierra Valley. Barry Hill (McElroy on maps). 1615 Comment
  CAS-BOT-BC24206  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42200 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  CAS-BOT-BC38490  Arctostaphylos mewukka subsp. truei John Thomas Howell; Gordon H. True 1967-5-8 42194 Plumas Near the spring in the Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC38625  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  CHSC110262  Arctostaphylos nevadensis L. P. Janeway 2012-6-2 10853 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CHSC85486  Arctostaphylos nevadensis G. Douglas Barbe; T. C. Fuller 1982-6-15 3718 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  RSA605327  Arctostaphylos nevadensis L. C. Wheeler 1952-9-24 6955 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  SEINET9339325  Arctostaphylos nevadensis Unknown 1982-6-15 3718 Plumas 1 mi below and NE of Red Hill Summit, Plumas National Forest. Comment
  CAS-BOT-BC42094  Arctostaphylos patula John Thomas Howell; Gordon H. True 1967-5-8 42192 Plumas Near the spring in the Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC42114  Arctostaphylos patula D. E. Breedlove 1962-6-12 3472 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC42121  Arctostaphylos patula Keith Wagnon; James T. Vale 1988-10-4 1819 Plumas ca. 2 mi. e. of town of Buck's Lake on old road - logging road 1/4 mi. north. 1511 Comment
  OBI69255  Arctostaphylos patula Kristina L. Schultz, Dan Schultz 2000-11-3 8 Plumas Quincy Range. Off trail at the intersection of Jackson St. and Old Meadow Valley rd Comment
  RSA785505  Arctostaphylos patula Doris Bowers 1972-8-31 1882 Plumas Round Valley Reservoir, near Greenville 1366 Comment
  SEINET11989151  Arctostaphylos patula B. A. Stein 1981-1 544 Plumas Frazier Falls area 1920 Comment
  UCD51942  Arctostaphylos truei John Thomas Howell 1976-4-2 51571 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  CAS-BOT-BC47070  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42190 Plumas Near the spring in the Butterfly Botanical Area. 1097 Comment
  CAS-BOT-BC47072  Arctostaphylos viscida subsp. viscida John Thomas Howell 1976-4-2 51577 Plumas 2 mi. nw. of Spring Garden. 1173 Comment
  CAS-BOT-BC82086  Arnica Fred Sommers; Greg Sommers 1976-7-12 150 Plumas Hot Springs Area, Sierra Valley Marsh 1487 Comment
  UCD107498  Arnica chamissonis Tim Kuhn 2006-6-20 44 Plumas adjacent to Crocker Guard Station. Comment
  CHSC118660  Arnica chamissonis Reed Kenny 2015-7-11 2015006 Plumas Plumas National Forest. Location northwest shore of Antelope Lake, northeast of Forest Service road 28N03 and 28N31. UTM 701731 E, 4453804 N, NAD83 Zone 10N. 1585 Comment
  UCD129120  Arnica chamissonis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1396 Plumas Last Chance Marshes, ca. 2 miles north of Lake Almanor, near Chester. Comment
  SBBG7585  Arnica cordifolia H. and M. Dearing 1939-5-9 3314 a Plumas near Blairsden on Sierra City Rd Comment
  SD8797  Arnica cordifolia Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  RSA724857  Arnica cordifolia B. Castro, Samantha Hillaire 2005-7-7 1488 Plumas Ca. 7 air mi SW of Bucks Lake and 1.5 air mile SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jct of the 'D' spur road. 1585 Comment
  SEINET6775027 Image available Arnica cordifolia M. J. Williams, E. McPherson 1974-8-5 74 -P-21 Plumas Lake's Basin, near campground 2012 Comment
  CHSC53114  Arnica cordifolia var. cordifolia L. P. Janeway 1989-6-30 3451 Plumas Plumas National Forest. Near rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd111) 6.4 mi N of Beckwourth. 1874 Comment
  CAS-BOT-BC295855  Arnica dealbata H. E. Brown 1897-8-15 672 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC295860  Arnica dealbata Thomas H. Kearney 1945-8-16 s.n. Plumas Near Chester Comment
  CHSC21696  Arnica dealbata F. T. Griggs; A. Pass 1975-7-16 200 Plumas N. shore of Lower Buck's Lake. Comment
  CHSC84892  Arnica discoidea R. D. Fischer; Jenny Marr 2003-10-20 10 Plumas Northern Sierra Nevada, off hwy 70 between Oroville and Quincy on the Yellow Creek Trail at Belden. Trailhead leading off on north end of parking lot at the PG and E powerhouse. Approx 1 1/2 miles north on tr. 1066 Comment
  SD8796  Arnica discoidea Mrs. R. M. Austin 1880-1 Plumas Plumas Co. Comment
  CAS-BOT-BC82495  Arnica discoidea Lowell Ahart 1976-7-16 s.n. Plumas 5 miles northwest of Little Grass Valley Res.; about 0.5 mile above the Middle Fork of the Feather River 1828 Comment
  CAS-BOT-BC82654  Arnica latifolia Lowell Ahart 1980-7-27 2489 Plumas About 5 miles east of Bucks Lake 1500 Comment
  CHSC62414  Arnica nevadensis B. Castro; Robin Ondricek-Fallscheer 1990-6-14 463 Plumas Ca 5.5 air mi S of Bucks Lake and 0.1 mi NE of jcn USFS Rd 23N18 with Rd 23N70, on the slopes above Rd 23N70, in the Arkansas Ravine area. 1554 Comment
  JEPS95004  Arrhenatherum elatius Vernon Oswald and Lowell Ahart 1997-9-18 8882 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Forest Road 26N25 at Soda Ravine 1249 Comment
  CAS-BOT-BC146267  Arrhenatherum elatius var. elatius John Thomas Howell 1975-7-22 51346 Plumas Sierra Nevada. Quincy Junction Road near Quincy. 1036 Comment
  JEPS78245  Artemisia arbuscula subsp. arbuscula L. R. Heckard with T. I. Chuang and R. Bacigalupi 1978-7-20 4895 Plumas near Beckwourth (about 2 mi. s. of railroad tracks); Sierra Valley 1493 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
  SEINET6775331 Image available Artemisia cana subsp. bolanderi W. Harnach 1990-10-6 532 Plumas Sierra Valley, 100 yards west of the steel bridge on Marble Lane 1486 Comment
  CAS-BOT-BC90414  Artemisia douglasiana John Thomas Howell 1955-7-19 30826 A Plumas Mohawk 1371 Comment
  CDA10150  Artemisia douglasiana L. Ahart, J. Dittes 2005-9-2 12454 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
  JEPS102571  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  UC176432  Artemisia douglasiana A. A. Heller and P. B. Kennedy 1907-7-17 8876 Plumas Red Clover valley Comment
  CAS-BOT-BC97249  Artemisia ludoviciana Greg Sommers 1976-7-26 194 Plumas On bank along side of Dyson Lane 20 meters west of the metal bridge, Sierra Valley Marsh 1524 Comment
  RSA59460  Artemisia tridentata subsp. tridentata E. K. Balls 1950-9-2 15650 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  UC1119450  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-7-20 215 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  CHSC73402  Asarum lemmonii B. Castro 1995-11-29 629 Plumas Ca 2 air mi ESE of Walker Plains on Rock Island Ridge, and ca 0.3 mi N of Rock Island itself. In minor perennial tributary to Truck Ravine, between the Ravine and USGS Rd 23N27. 1475 Comment
  JEPS640 Image available Asarum lemmonii J. G. Lemmon Plumas Indian Valley Comment
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Feb 4 2011
  SD46629  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas Feather River, Middle Fork, No Ear Bar 915 Comment
  CHSC101924  Asclepias speciosa Lowell Ahart; John Dittes 2009-7-13 16056 Plumas West side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  UC1874977  Aspidotis densa Ruth Kirkpatrick 2001-7-21 1075 Plumas Feather River Canyon, along Hwy 70, 4.3 mi upstream from E branch of North Fork of Feather River 731 Comment
  CHSC69677  Aster Vernon H. Oswald; L. Ahart, L. Gehrung, L. Hanson, T. Martin 1992-8-20 5170 Plumas Quincy-La Porte Rd. at the pond at the N edge of La Porte. 1514 Comment
  RSA59112  Aster ascendens E. K. Balls 1950-8-30 15516 Plumas Just west of Feather River Experiment Station. 4 miles north of Quincy. 1067 Comment
  RSA82180  Aster ascendens E. K. Balls, Percy C. Everett 1952-10-9 18131 Plumas Pine valley, 5 mi. N of Crescent Mills, Hwy 89, between Quincy and lake Almanor. 1067 Comment
  CDA10244  Aster eatonii J. S. Buckett Oct 1959 Plumas ? Nelson Creek Area? ca. 10 miles west of Johnsville. 0 Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  RSA60033  Aster integrifolius E. K. Balls 1950-9-1 15588 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  RSA715687  Aster integrifolius L. Ahart, Josephine Guardino 2005-8-9 12257 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  RSA537713  Aster integrifolius Barbara Ertter 1988-7-25 7856 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  RSA101410  Astragalus bolanderi R. Weatherby 1955-7-26 1664 Plumas Spanish Peak. Comment
  CDA17281  Astragalus purshii var. purshii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16308 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC41195  Astragalus purshii var. purshii J. D. Jokerst 1984-5-13 2007 Plumas East end of Genesee Valley, canyon of Indian Cr. between creek and Indian Cr. Rd. 1249 Comment
  CHSC37016  Astragalus webberi M. S. Taylor 1982-6-14 4671 Plumas E side of Hwy 89, ca. 1 mi n of Indian Falls. 1036 Comment
  SBBG29978  Astragalus webberi D. Ripley, R. Barneby 1943-6-16 5778 Plumas Feather River W of Crescent Mills 853 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
  CHSC32048  Athyrium filix-femina L. Ahart 1976-9-28 1209 Plumas Along edges of Bunker Hill Creek, near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  JEPS118439  Athyrium filix-femina subsp. cyclosorum Lowell Ahart 2011-9-17 17656 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CAS-BOT-BC69504  Athyrium filix-femina var. californicum David D. Keck 1932-7-3 1693 Plumas Quincy, just w. of town. 1066 Comment
  CHSC102128  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes 2009-7-27 16163 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC112126  Athyrium filix-femina var. cyclosorum L. P. Janeway 2014-7-15 11544 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
  JEPS114947  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte 1593 Comment
  SD129285  Athysanus pusillus B. Pitzer, S. Morgan and H. Soldan 1988-5-29 957 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1830 Comment
  UCD129524  Balsamorhiza deltoidea Elaine A. Ahrenholz 1962-4-18 35 Plumas 1 mile north of Greenville. Comment
  CAS-BOT-BC106456  Balsamorhiza hookeri Helen MacGavin 1974-1-1 s.n. Plumas Portola - Sierra Nevada Comment
  UC1119017  Balsamorhiza hookeri E. Sawyer 1935-5-21 7 Plumas 3 mi ene of Beckwith Butte (Sierraville); Sierraville 1524 Comment
  CHSC57255  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1991-5-29 3972 Plumas Plumas National Forest. Red Clover Valley; along Beckwourth-Genesee Road (road 111) 1.0 mi northwest of the old Clover Valley Ranch buildings. 1664 Comment
  CHSC45641  Balsamorhiza sagittata Vernon Oswald 1984-7-5 1349 Plumas Pacific Crest Trail 1.2 mi E of Humboldt Summit. 2026 Comment
  CHSC53234  Balsamorhiza sagittata L. P. Janeway 1989-6-20 3358 Plumas Plumas National Forest. East-facing flank of Crocker Mtn overlooking Red Clover Valley. 1965 Comment
  CAS-BOT-BC100099  Balsamorhiza sagittata E. K. Balls; L. W. Lenz 1955-5-14 20716 Plumas 5.4 mi. ne. from Greenville along Hwy. 89 to Lake Almanor 1158 Comment
  UC1126818  Barbarea orthoceras E. Sawyer 1935-5-28 45 Plumas 3.5 mi n Hawks; Sierraville Quad. 1584 Comment
  POM199252  Beckmannia syzigachne H. S. Yates 1912-7-5 s.n. Plumas Charles Creek, Portola. 1524 Comment
  UC224015  Beckmannia syzigachne Mrs. Ames Plumas Comment
  SEINET10869171  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CAS-BOT-BC102162  Bidens John Thomas Howell 1959-9-21 34816 Plumas Sand bars of Indian Creek 914 Comment
  CAS-BOT-BC102171  Bidens cernua Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1444 Plumas Butterfly Botanical Area and Vicinity. Spanish Creek near confluence of Butterfly Creek. 883 Comment
  JEPS102555  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  CHSC84416  Blepharipappus scaber Lowell Ahart; John Dittes 2003-8-8 10484 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  SBBG119863  Blepharipappus scaber L. Ahart, J. Dittes 2003-8-8 10484 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  SEINET7379381 Image available Blepharipappus scaber W. Harnach, N. Harnach 1989-5-27 118 Plumas Sierra Valley. Turnoff of Marble Lane and Co. Rd. A-23 1490 Comment
  SEINET10938034  Blepharipappus scaber Mary Susan Taylor 1982-6-10 Taylor 4625 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  CAS-BOT-BC16873  Boechera John Thomas Howell 1976-7-16 s.n. Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC16882  Boechera W. I. Follett 1946-4-7 s.n. Plumas Feather River Canyon. 670 Comment
  UC1446144  Boechera Lowell Ahart 1979-8-4 Plumas ca. 12 mi. n. La Porte (head of Dixon Creek, n. of Buzzards Roost Ridge, ca. 1 mi. n. of Pilot Peak); Dixon Creek 1700 Comment
  SFV10382  Boechera arcuata M. L. Vincent 1964-4-8 517 Plumas Sierra Nevada Near North Fork Bridge 9-02. 580 Comment
  CAS-BOT-BC16184  Boechera davidsonii Lowell Ahart 1983-8-17 4330 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Peak, about 11 miles northeast of La Porte. 2000 Comment
  CAS-BOT-BC13856  Boechera inyoensis M. S. Taylor 1982-7-21 4893 Plumas Ca. 5 miles southeast of Quincy. Around south end of Bachs Creek Ridge. 1752 Comment
  CAS-BOT-BC14016  Boechera lemmonii Ella Dales Cantelow 1941-5-18 3626 Plumas 1.5 miles west of Johnsville Road to Gibsonville. 1615 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
  SEINET4339632  Boechera peirsonii C. D. Bailey 2009-7-21 291 -C. D Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Southeastern side of Mt. Elwell. 2083 Comment
  CHSC43434  Boechera pinetorum Lowell Ahart 1974-7-24 559 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1676 Comment
  CHSC101794  Boechera platysperma Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15855 Plumas Along the north road edge, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CAS-BOT-BC14661  Boechera rectissima Lowell Ahart 1986-7-25 5370 A Plumas Sierra Nevada. Cleghorn Bar Road about 4 miles northwest of Pilot Peak. 1828 Comment
  SEINET12627100 Image available Boechera retrofracta Martin Schilling 2013-1 MS 231 Plumas Thompson Peak, 0.8 air mi SE from peak, on rocky slope 2205 Comment
  CAS-BOT-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 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
  CHSC41182  Boechera sparsiflora J. D. Jokerst 1984-5-14 2015 Plumas On ridge top. Ridge represents the top of the canyon slope above Ward Creek, SW of Genesee Valley. 1584 Comment
  CAS-BOT-BC25719  Boechera sparsiflora John Thomas Howell; Gordon H. True 1973-7-31 50116 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thomspon Peak. 2194 Comment
  UCSB63924  Boechera sparsiflora Jokerst, James 1987-5-28 Plumas Ward Creek Canyon; T25N R11E center S1/2 Sect. 23 1463 Comment
  CAS-BOT-BC25928  Boechera suffrutescens John Thomas Howell 1951-6-28 27713 Plumas Eureka Peak. 2255 Comment
  CAS-BOT-BC478473  Boisduvalia John Thomas Howell 1976-7-16 51890 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  CHSC83609  Botrychium simplex John Dittes 2002-8-10 2 -29 Plumas Northern High Sierra Nevada; Plumas National Forest, Lumpkin Ridge, ca. 1.3 air-miles northwest of Little Grass Valley Reservoir, ca. 0.8 air-miles southeast of Tamarack Flat, south side of FS Primary Route 27, ca. 0.7 mile southwest of intersection with FS Primary Route 94. Along margin of pond. 1716 Comment
  CHSC82549  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9873 Plumas In a meadow, near a pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  CHSC82551  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9863 Plumas Meadow, about 40 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  JEPS99052  Botrychium simplex var. compositum Lowell Ahart 2002-7-24 9921 Plumas 3/4 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1634 Comment
  JEPS99055  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9863 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  POM92043  Boykinia occidentalis Bener 1897-7-3 s.n. Plumas [below?] Prattville [of Jemsville?] 1372 Comment
  CAS-BOT-BC106230  Brickellia californica John Thomas Howell; H. Keith Wagnon 1980-5-28 53709 Plumas North Fork Feather River Canyon 4 miles northeast of Pulga Bridge in area of granitic rock - Sierra Nevada Comment
  JEPS127337  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas About 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET10474491  Brickellia greenei Mary Susan Taylor 1981-8-25 Taylor 4243 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. 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 Belden. Plumas County. 5300 ft. 1615 Comment
  RSA699968  Bromus L. Ahart 2004-7-27 11320 Plumas On the west side of the dirt road ( Forest Road 10), near the Pacific Crest Trail, on the Bunker Hill Ridge, about 1 1 /8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2100 Comment
  SEINET10830992  Bromus Mary Susan Taylor 1982-9-13 Taylor 5137 A Plumas T23N R14E se/ne sec. 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Road bridge (109) over Feather River, on S side of the river, ca. 1 mile W of Beckwourth. 1487 Comment
  UC196408  Bromus briziformis H. S. Yates 1913-7-20 Plumas Massack 1432 Comment
  JEPS28304  Bromus carinatus var. carinatus George W. Gillett 1957-7-17 794 Plumas (flowing) from Little Willow Lake into Willow Lake (Lassen Volcanic National Park); Lassen Volcanic National Park 1767 Comment
  CAS-BOT-BC148719  Bromus carinatus var. marginatus John Thomas Howell 1967-6-23 42674 Plumas Sierra Nevada. Canon of Butterfly Creek. 1036 Comment
  CHSC55635  Bromus commutatus K. R. Stern 1985-6-25 8299 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC155052  Bromus hordeaceus John Thomas Howell 1961-6-21 36666 A Plumas Sierra Nevada. Greenville. 1097 Comment
  UCD20966  Bromus inermis E. Bortiri 2002-6-21 WFC 14 Plumas Rocky Point East, Ramelli Ranch , near Portola, Plumas Co. Comment
  OBI2915  Bromus japonicus Lewis S. Rose 1968-6-10 68087 Plumas Quincy 1036 Comment
  RSA71076  Bromus marginatus L. S. Rose 1951-6-27 51021 Plumas Johnsville. 1601 Comment
  JEPS102748  Bromus orcuttianus Lowell Ahart 2001-7-23 8998 Plumas Along the edge of the dirt road, near sign of stagecoach robbery, about 1/2 mile north of Humboldt Summit. 1828 Comment
  SEINET13710646  Bromus orcuttianus Lowell William Ahart, Lowell William Ahart 2001-1 8998 Plumas Edge of Rd. 1/2 Mi. N of Humboldt Summit (T27N, R5E, sec 32, NW 1/4) 6000 Ft. 1829 Comment
  JEPS115902  Bromus suksdorfii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16130 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  CAS-BOT-BC161360  Bromus tectorum Mary S. Clemens 1920-6-10 s.n. Plumas Greenville. Comment
  JEPS116062  Bromus tectorum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15866 Plumas About 1/3 miles (air) west of Lake Almanor Dam, near cut bank of Forest Road 27N01Y, along the north road edge 1462 Comment
  JEPS124729 Image available Bromus tectorum 32 Plumas Beckwourth pass Summit in the dry somewhat sandy place. Comment
  RSA700312  Bromus vulgaris L. Ahart 2004-7-27 11318 Plumas about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northwest of La Porte 1712 Comment
  CHSC40594  Calocedrus decurrens Lowell Ahart; Jim Jokerst 1985-10-4 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles northeast of La Porte. 1828 Comment
  JEPS115161  Calocedrus decurrens Lowell Ahart, John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  RSA59108  Calochortus E. K. Balls 1950-8-30 15512 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CAS-BOT-BC487766  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, Greenville Comment
  CHSC67407  Calochortus leichtlinii J. D. Jokerst 1984-6-13 2052 Plumas Traversed by USFS road 26N08 north of Cottonwood Cr. 1371 Comment
  CHSC76152  Calochortus leichtlinii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  HSC101684  Calochortus leichtlinii Dillon North Davis 2013-6-10 13 Plumas 9.8 miles south on FS Road 25N17 from intersection with Highway 70. Comment
  UC584333  Calochortus leichtlinii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2243 Plumas n of Engelmine; Red Rock 2133 Comment
  CAS-BOT-BC491826  Calochortus leichtlinii John Thomas Howell 1951-6-27 27560 Plumas Johnsville 1584 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
  CHSC82360  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  RSA109808  Calochortus nudus E. K. Balls 1956-6-19 21838 Plumas 0.3 mile east along State Highway 89, past P.G.&E. Dam, Lake Almanor 1433 Comment
  CDA24457  Calycanthus occidentalis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .256 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  HSC17645  Calyptridium monospermum H. E. Parks, S. T. Parks Jun 1928 225 Plumas Lassen National Park, Drakesbad 1738 Comment
  UC1136659  Calyptridium monospermum D. Axelrod 1934-6-9 34 Plumas 2 mi nw of Lexington Hill (Plumas National Forest); Plumas National Forest 1767 Comment
  UC725617  Calyptridium monospermum A. A. Heller 1938-5-30 15132 Plumas near Bucks Creek Powerhouse (along the Feather River Highway) Comment
  UC1136674  Calyptridium umbellatum E. Sawyer 1935-6-27 201 Plumas 1.4 mi se of Crow (Plumas National Forest); Plumas National Forest 1706 Comment
  CAS-BOT-BC221248  Calystegia malacophylla subsp. malacophylla Clarence R. Quick 1953-8-7 53 -123 Plumas Southeast of Meadow Valley Comment
  CHSC58188  Calystegia occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1992-6-22 5014 Plumas Lassen Volcanic National Park. Little willow Creek between Willow Lake and the access road into Terminal Geyser. 1737 Comment
  UC879382  Calystegia occidentalis var. tomentella Lewis S. Rose 1939-6-8 39259 Plumas 12 mi ne Belden (Breyes Flat, Feather River); Feather River, Breyes Flat, ne of Belden 975 Comment
  SD6517  Camassia Mrs. Robert Austin 1879-1 Plumas Big Meadows. Comment
  CAS-BOT-BC497562  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-17 11842 Plumas 16 miles north of Chilcoot 1524 Comment
  CHSC97439  Camassia quamash subsp. quamash Robert Fischer 2006-7-2 1040 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  RSA186579  Camissonia tanacetifolia subsp. tanacetifolia T. Mosquin, J. M. Gillett 1963-7-14 5302 Plumas Middle Fork of Feather River just N of Mohawk Comment
  UCD19156  Camissoniopsis micrantha June McCaskill 1956-5-5 411 Plumas Lake Almanor region? Comment
  SEINET10463002  Campanula prenanthoides Knight 1967-9-16 KNIGHT 2250 Plumas Fern Glen 1097 Comment
  SEINET10905902  Campanula prenanthoides Walter Knight, Irja Knight; John Thomas Howell 1966-7-27 Knight 1553 Plumas At low end of Butterfly Canyon 975 Comment
  SEINET10939013  Campanula prenanthoides Mary Susan Taylor 1981-8-19 Taylor 4217 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  CHSC92132  Capsella bursa-pastoris Lowell Ahart; John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  POM95585  Cardamine Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC59173  Cardamine bellidifolia var. pachyphylla Vernon H. Oswald; Lowell Ahart 1992-9-15 5211 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  CHSC63243  Cardamine breweri Lowell Ahart 1994-6-17 7354 Plumas In a meadow on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CAS-BOT-BC37240  Cardamine breweri John Thomas Howell 1960-7-21 35855 Plumas Lassen Volcanic National Park. Northwest of Willow Lake. 1676 Comment
  POM95613  Cardamine breweri Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  JEPS96903  Cardamine californica Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15943 Plumas Feather River Canyon; Hwy 70 2 road miles W of bridge over the river at Pulga; Plumas National Forest 579 Comment
  RSA0092972  Cardamine californica Bonnie C. Templeton 1968-6-8 11216 Plumas Twain Rd., west of Butterfly Valley, ca 10 mi. west of Quincy. Comment
  RSA592542  Cardamine californica var. integrifolia S. O. Mattoon 1978-3-25 26 Plumas North Fork Feather River, vicinity of Queen Lily Camp Ground; off Hwy 70. 732 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
  JEPS96901  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  UC1730270  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas Rich Bar, E side of ravine draining to East Branch North Fork Feather River, above Hwy 70; on the talus slope and almost to the edge of the creeklet 1706 Comment
  UC117811  Cardamine pachystigma Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  POM95828  Cardamine pulcherrima Mrs. R. M. Austin 1874-03 30 Plumas Fern Dell. Comment
  CAS-BOT-BC18351  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54181 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  CAS-BOT-BC18358  Carex John Thomas Howell 1951-6-26 27535 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  CHSC108109  Carex abrupta Lowell Ahart 2011-9-20 17686 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  JEPS115897  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16110 Plumas About 20 yards yeast 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
  CAS-BOT-BC17834  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at junction of road 26N17Y and Pliocene Creek, ca. 1 mile northwest of Rattlesnake Hill. 1645 Comment
  RSA122761  Carex amplifolia B. O. Schreiber 1938-7-10 2529 Plumas 1/4 mile south of U. S. Forestry Camp near Meadow Valley. 1098 Comment
  SEINET10872734  Carex amplifolia Mary Susan Taylor 1982-8-9 Taylor 4947 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-BC17937  Carex angustata John Thomas Howell 1960-7-22 35884 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC50434  Carex angustata Vernon Oswald 1990-6-22 4315 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. 1767 Comment
  UC2015879  Carex angustata Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4415 Plumas Lassen Volcanic National Park. Drakesbad. Upper area, in low places west of the creek. Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  CHSC53653  Carex athrostachya L. P. Janeway 1984-7-13 902 Plumas Near Grizzly Creek campground, SW of Bucks Lake. 1584 Comment
  CHSC84895  Carex athrostachya L. P. Janeway; B. Castro 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. 2057 Comment
  RSA699706  Carex aurea L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 Plumas About 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2140 Comment
  UC338344  Carex aurea Lemmon 1889-5-26 Plumas Culver's ranch Mohawk Valley, Culver's ranch Comment
  CAS-BOT-BC19524  Carex bolanderi John Thomas Howell 1962-6-17 37649 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CAS-BOT-BC19530  Carex bolanderi W. I. Follett 1946-5-27 s.n. Plumas Rich Gulch. Comment
  CAS-BOT-BC19633  Carex brainerdii John Thomas Howell 1951-6-28 27726 Plumas Eureka Lake. 1889 Comment
  CHSC77065  Carex brainerdii G. Douglas Barbe; T. C. Fuller 1982-6-15 3717 Plumas 1.0 mle below and NE of Red Hill summit, Plumas National Forest. 1761 Comment
  CHSC87858  Carex brainerdii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  SD107305  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas Ca. 3 miles west on Humboldt Road; branching west of Highway 89; west of Lake Almanor; shade. 1524 Comment
  JEPS122286  Carex canescens subsp. canescens Lowell Ahart 2014-8-24 19733 Plumas Along a small stream that flows into the South Fork of the Feather River, on the west side of the stream, 10 yards west of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  CAS-BOT-BC34407  Carex cusickii John Thomas Howell 1967-6-23 42711 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CAS-BOT-BC20585  Carex douglasii John Thomas Howell 1962-6-19 37853 Plumas Sierra Nevada. Alkaline flat, 5.5 miles E of Beckwourth. 1493 Comment
  CAS-BOT-BC20053  Carex echinata Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Monument. Northern border of swamp north of Willow Lake. 1661 Comment
  RSA169429  Carex echinata subsp. echinata L. S. Rose 1963-6-3 63101 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  CAS-BOT-BC20113  Carex feta John Thomas Howell 1973-7-10 49740 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  RSA60234  Carex feta E. K. Balls 1950-8-31 15530 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  UCD140308  Carex feta L. P. Janeway 1997-5-29 5135 Plumas East Branch North Fork Feather River about 0.5 mile west of Soda Creek and 0.1 mile north of Hwy 70 along Road 25N21. Comment
  CHSC77032  Carex filifolia var. erostrata G. Douglas Barbe; T. C. Fuller 1982-6-17 3850 Plumas The Frenchman Lake Region. On E shore of Frenchman Lake; Crystal Fishing Access. On marshy arm of the lake at the parking lot. 1706 Comment
  UC1133356  Carex filifolia var. erostrata E. Sawyer 1935-6-22 21 Plumas 3/4 mi sw Beckwith City; Sierraville Quadrangle Comment
  CDA15379  Carex fracta G. F. Hrusa 1997-6-26 13900 Plumas Sierra Nevada; Clumping perennial in dry, rocky bed of seasonal creek, but prob. never in wet area. Coniferous overstory. 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  JEPS107597  Carex fracta Lowell Ahart, Josephine Guardino 2005-8-10 12318 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC51504  Carex geyeri L. P. Janeway 1990-8-16 3831 Plumas Plumas National Forest. Ca 0.2 mi N of Meadow Cr and ca half-way between Red Clover Cr and Mt Ingalls. 2011 Comment
  SJSU8614  Carex hassei C. W. Sharsmith 1975-6-18 8229 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC21974  Carex heteroneura Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 miles NW of Pilot Peak. 1800 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
  CHSC76323  Carex heteroneura var. heteroneura G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13263 Plumas Northern California, Sierra Nevada, Plumas National Forest. Along Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  CHSC77168  Carex heteroneura var. heteroneura G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3077 Plumas 10.6 miles NE of La Porte on La Porte-Quincy Road; 8.3 miles NE of junction, Little Grass Valley Reservoir Road, headquarters of South Fork Feather River. 1889 Comment
  JEPS117655  Carex hoodii Lowell Ahart 2010-7-27 16925 Plumas On the south side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  RSA754927  Carex hoodii L. Ahart, Josephine Guardino 2005-8-10 12317 Plumas South of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1822 Comment
  UCSB63563  Carex hoodii Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; adjacent to Indian Creek 400 m. S of Hwy. 70; ca. 2 mi. SW of Crescent: T26N R9E SW1/4 Sect. 25 Comment
  UC942960  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  RSA97925  Carex integra J. T. Howell 1951-6-27 27591 A Plumas McRae Meadow. 1982 Comment
  CAS-BOT-BC65492  Carex jonesii L. P. Janeway 1995-8-4 4887 Plumas About 0.8 mi NE of Dixie Mountain Lookout; small spring at uppermost crossing of Lookout Creek by road 25N03. 2126 Comment
  CHSC100344  Carex jonesii Lowell Ahart 2008-7-16 15085 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS28344  Carex jonesii George W. Gillett 1957-7-19 852 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  JEPS87169  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
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Jun 9 2011
  CAS-BOT-BC31155  Carex lemmonii John Thomas Howell 1967-6-23 42703 Plumas butterfly Valley. 1036 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
  CAS-BOT-BC28513  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-10 44041 Plumas Quail Lake, 3 mi W of Chambers Lodge. Lake Tahoe 2133 Comment
  CHSC92994  Carex leporinella G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3319 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CAS-BOT-BC31571  Carex luzulifolia Robert J. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2103 Comment
  CAS-BOT-BC31639  Carex luzulina var. ablata L. P. Janeway 1990-8-3 3825 Plumas Mt. Ingalls quad. Meadow at head of small drainage (into Little Grizzly Cr), 1981 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CHSC114382  Carex multicaulis G. Douglas Barbe; T. C. Fuller 1982-6-15 3710 Plumas On slope uphill, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Road 26N22F); 3.3 miles east of Red Hill Summit. 1554 Comment
  CAS-BOT-BC32227  Carex multicostata John Thomas Howell 1960-7-20 35732 Plumas Boiling Springs Lake to Drakesbad. 1828 Comment
  CHSC109558  Carex multicostata L. P. Janeway 2012-8-1 11040 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibson-Johnsville Road about 0.5 km north of its bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1729 Comment
  CHSC55563  Carex multicostata L. P. Janeway 1990-6-28 3736 Plumas Plumas National Forest. At the head of Joseph Creek, on northeast side of Grizzly Ridge. 2118 Comment
  CHSC35945  Carex nebrascensis M. S. Taylor 1982-6-14 4658 Plumas In wet Pioneery Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 1536 Comment
  CHSC47343  Carex nebrascensis L. P. Janeway 1989-6-16 3334 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CHSC52549  Carex nebrascensis L. P. Janeway 1989-7-7 3460 Plumas Plumas National Forest. Near to Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CAS-BOT-BC119853  Carex nebrascensis John Thomas Howell; Gordon H. True 1967-6-11 42571 Plumas Meadow at Quincy 1036 Comment
  CDA17785  Carex nervina G. D. Barbe, T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CAS-BOT-BC119521  Carex nudata John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2170 Plumas Mouth of Butterfly Creek. 883 Comment
  CHSC47341  Carex nudata L. P. Janeway 1989-6-15 3325 Plumas Plumas National Forest. At edge of Middle Fk Feather River ca 1 mi SE of Cromberg. 1280 Comment
  CAS-BOT-BC320474  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 (n SNH) 1885 Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  SEINET8989732 Image available Carex pachystachya Unknown 2003-1 7907 Plumas High Cascade Range. Along the south edge of Little Willow Lake. Reading Peak 7.5' quad. Comment
  CAS-BOT-BC119192  Carex pachystachya L. P. Janeway 1989-6-16 3333 Plumas Grizzly Valley quad, West end of Grizzly Valley. 1783 Comment
  CHSC101954  Carex pellita Lowell Ahart; John Dittes 2009-7-27 16187 Plumas On dry soil, about 20 yards north of the poor dirt road, on the norht side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  SEINET13710547  Carex raynoldsii Lowell William Ahart, Lowell William Ahart 2001-1 8888 Plumas About 1/4 Mi. NE Hauns Meadow and Hauns Creek, about 3 Air Mi. E Lake Almanor, 5 Air Mi. NW of Greenville (T27N, R9E, sec 18) 4750 Ft. 1448 Comment
  CHSC67399  Carex scabriuscula James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2551 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch. Comment
  CHSC97294  Carex sheldonii Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14464 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
  CHSC52553  Carex simulata L. P. Janeway 1989-6-22 3373 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw along rd 24N49Y. 1767 Comment
  CAS-BOT-BC117736  Carex simulata George Wilson Gillett 1957-7-18 836 Plumas Willow Lake, marsh at N end. 1661 Comment
  JEPS49039  Carex spectabilis Leland S. Smith 1927-8-10 2167 Plumas above Gold Lake, w end; Tahoe National Forest 2194 Comment
  CAS-BOT-BC114993  Carex subfusca John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2377 Plumas Moist roadside hollow in canyon of Butterfly Creek between Spanish Creek and Butterfly V. Comment
  CHSC110386  Carex subfusca Lowell Ahart 2012-9-5 18443 Plumas Along the east side of the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  CHSC112080  Carex subfusca L. P. Janeway 2014-7-17 11565 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  CHSC52551  Carex utriculata L. P. Janeway 1989-6-30 3432 Plumas Plumas National Forest. Narrow mdw along Crocker Cr, ca 0.6 mi N of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  JEPS113704  Carex utriculata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14474 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
  RSA239306  Carex utriculata Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr 1972-9-20 42362 Plumas Plumas National Forest: Desiccated margin of Snag Lake. 2058 Comment
  CAS-BOT-BC115155  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Meadow, Drakesbad. 1828 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
  SEINET13371284  Carex vesicaria A. A. Heller, P. B. Kennedy 1907-7-9 8818 Plumas Prattville Comment
  JEPS117698  Carex vesicaria var. vesicaria Lowell Ahart 2010-10-21 17313 Plumas On wet humus, under moutain alder shrubs, east side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte 1662 Comment
  CDA18676  Castilleja G. D. Barbe, T. C. Fuller 1982-6-15 3728 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC21726  Castilleja F. T. Griggs; A. Pass 1975-8-5 308 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC249742  Castilleja applegatei subsp. pinetorum John Thomas Howell 1962-6-19 37852 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CDA14019  Castilleja applegatei subsp. pinetorum G. F. Hrusa, B. A. Smith 1996-8-8 13467 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
  JEPS107605  Castilleja applegatei subsp. pinetorum Lowell Ahart, Josephine Guardino 2005-8-10 12301 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS15477  Castilleja applegatei subsp. pinetorum Joseph and Hilda W. Grinnell 1938-6-11 1092 a Plumas Mohawk 1341 Comment
  SEINET13732908  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-3 87 -1 Plumas Red Clover Valley. Comment
  UC1012474  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 10 1940-Jun 11 1940 25805 Plumas e of Almanor (Route 89) 1463 Comment
  CHSC34069  Castilleja lacera M. S. Taylor 1981-6-19 3931 Plumas SW side of Lake Alamanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  CHSC80275  Castilleja lacera L. P. Janeway 1996-6-5 5002 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 1488 Comment
  JEPS81478  Castilleja miniata M. S. Taylor 1982-8-9 4943 Plumas ca 3 air mi sse Canyon Dam (just n of Rattlesnake Creek, e side of 26N16Y); Almanor NE Quad. 1859 Comment
  JEPS89165  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas 2 mi from Spanish Peak summit 2042 Comment
  SEINET10549613  Castilleja miniata Mary Susan Taylor 1982-8-5 Taylor 4937 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
  SEINET10549615  Castilleja miniata Mary Susan Taylor 1982-8-4 Taylor 4916 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CHSC75760  Castilleja miniata subsp. miniata Lowell Ahart; Vernon H. Oswald 1999-7-15 8094 Plumas About 50 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  UC673470  Castilleja tenuis H. L. Mason 1924-6-26 1094 Plumas near Blairsden Comment
  UCR270599  Caulanthus amplexicaulis John F. Emmel 2002-5-20 1755 Plumas North Fork Feather River, Queen Lily Campground, near Belden 732 Comment
  SBBG120143  Ceanothus arcuatus L. P. Janeway 2007-5-20 8989 Plumas crest at head of Bean Crk, which drains to the SSE; jct of USFS Rds 25N17, 25N57, and 25N59 1573 Comment
  CAS-BOT-BC47866  Ceanothus cordulatus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC49224  Ceanothus cuneatus L. P. Janeway 1997-5-15 5133 Plumas Hwy 70/89 at Rattlesnake Creek. Mt Ingalls quad 1310 Comment
  CHSC70040  Ceanothus cuneatus var. cuneatus L. P. Janeway 1997-5-15 5133 Plumas Hwy 70/89 at Rattlesnake Creek. 1310 Comment
  UC1070639  Ceanothus fresnensis E. Nourse 1934-8-1 4 Plumas 3 mi n and 1 mi w Silver Creek; Bidwell Bar quad., Plumas National Forest 1554 Comment
  UC170921  Ceanothus fresnensis H. M. Hall 1912-6-28 9280 Plumas Spanish Creek Sierra Nevada Mts. 1158 Comment
  CHSC9733  Ceanothus integerrimus Nancy Mosman 1971-7-17 112 Plumas Along side of slope 75 ft e of Hwy 32 ca. 3.8 mi s of Chester, Calif. 1371 Comment
  OBI3009  Ceanothus integerrimus Lewis S. Rose 1968-6-11 68097 Plumas Near Keddie; confluence of Butterfly crk and Spanish crk 975 Comment
  RSA74355  Ceanothus integerrimus var. puberulus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on yellow Creek, Belden, Feather River Canyon Comment
  CAS-BOT-BC51160  Ceanothus lemmonii Mary Strong Clemens 1920-6-23 s.n. Plumas Quincy Comment
  LA44855  Ceanothus leucodermis Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  CAS-BOT-BC63370  Ceanothus prostratus Harry P.. Went 1920-5-17 s.n. Plumas Greenville. Comment
  CAS-BOT-BC63372  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  POM172719  Ceanothus prostratus J. G. Lemmon 1889-06 s.n. Plumas Sierra Valley Comment
  RSA122354  Ceanothus prostratus E. Sawyer 1935-5-21 15 Plumas 2 miles E of Beckwith Butte. 1677 Comment
  UCD169236  Ceanothus prostratus S. L. Welsh; N. D. Atwood 2001-6-13 28132 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  RSA59109  Ceanothus prostratus var. occidentalis E. K. Balls 1950-8-30 15514 Plumas 0.5 mile west of Feather River Experiment Station, (4 miles N. of Quincy). 1067 Comment
  CAS-BOT-BC63190  Ceanothus velutinus var. velutinus Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-2 865 Plumas On n. edge of Smith Lake, 5 km. nw. of Quincy. 1500 Comment
  CAS-BOT-BC63192  Ceanothus velutinus var. velutinus Lowell Ahart 1989-7-2 6345 Plumas On the nw. side of Pilot Peak, about 10 mi. ne. of La Porte. 2194 Comment
  CDA42382  Centaurea maculosa D. G. Kelch 2012-9-2 12 .38 Plumas Portola. South of Portola Grade School. Comment
  CAS-BOT-BC277043  Centaurea maculosa R. L. Swanson 1972-8-18 s.n. Plumas Quincy-La Porte County Road, approximately 1/2 mile north of the Middle Fork of the Feather River. [N. of Nelson Plant] Comment
  CHSC80800  Centaurea stoebe subsp. micranthos Lowell Ahart; Vernon H. Oswald 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
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Aug 21 2017
  UCR88934  Cerastium arvense J. T. Howell 1962-6-16 37632 Plumas Sierra Nevada Mtns, 'Lewisia Rock,' 3.5 mi. SW of Belden, Feather River Canyon. 640 Comment
  JEPS51364  Cerastium fontanum subsp. vulgare W. L. Jepson 1939-8-4 19334 Plumas Meadow Valley, Rock Creek 1219 Comment
  CHSC44145  Ceratophyllum demersum V. Oswald; L. Ahart 1988-8-4 3674 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of the lake. 1676 Comment
  SBBG50559  Cercocarpus ledifolius var. intermontanus D. Ahrenholz 1964-5-16 20 Plumas Quincy Comment
  CDA19233  Chaenactis douglasii var. douglasii G. D. Barbe, T. C. Fuller 1982-6-17 3832 Plumas Plumas National Forest; South shore, Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC64067  Chaenactis douglasii var. douglasii B. Castro; R. A. Schlising 1987-7-21 169 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  CAS-BOT-BC276732  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-1 s.n. Plumas On road from Chilcoot, United States Forest Reserve Comment
  CAS-BOT-BC58384  Chaenactis douglasii var. douglasii R. C. Wenk 2009-7-13 1117 Plumas Plumas National Forest, Frenchman Lake, Little Last Chance Creek Road, 1.2 air mi. WNW of reservoir dam 1750 Comment
  UC614644  Chaenactis douglasii var. douglasii L. Constance 1938-6-9 2311 Plumas 7.3 mi s Quincy; Middle Fork of the Feather River 1219 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
  UC711918  Chamaesyce serpyllifolia Roxana S. Ferris and Laura Lorraine 1941-8-9 10442 Plumas betw junction of Lassen National Park Rd (State Hwy 89) and State Hwy 32 and Chester Comment
  CHSC33743  Chamerion angustifolium subsp. circumvagum M. S. Taylor 1981-7-13 3992 Plumas Frenchman Lake Canyon, 1.8 mi s of the dam, ca. 10 mi n of Chilcoot on Hwy 70. Road embankment. 1615 Comment
  CHSC61658  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1993-8-25 5863 Plumas North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On a cliff on the E side of the creek. 1987 Comment
  CAS-BOT-BC66351  Cheilanthes covillei John Thomas Howell 1967-6-22 42659 Plumas near mouth of Chambers Creek, Canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC70205  Cheilanthes gracillima John Thomas Howell; Gordon H. True 1967-7-11 43350 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC115776  Cheilanthes gracillima Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20416 Plumas Rock outcrop on the south side of Blue Lake, 2710 feet noth of Forest Service Road 29N18, 289 air-miles west-southwestof Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  JEPS110525  Chenopodium album Lowell Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast or Strawberry Valley 1281 Comment
  CDA2987  Chenopodium album J. T. Howell 1975-7-2 51343 Plumas Sierra Nevada; Quincy. Comment
  CHSC21126  Chimaphila menziesii F. T. Griggs; A. Pass 1975-7-2 37 Plumas East of road. Buck's Lake. Comment
  RSA0084306  Chimaphila menziesii Diana D. Jolles 2011-8-9 473 Plumas Plumas National Forest, about 2.5 miles up forest road 77 to Dixie Mountain Lookout from Frenchman Lake Road (284). 1994 Comment
  CHSC63458  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CHSC91805  Chimaphila umbellata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16294 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: forest outside bog area. 1158 Comment
  UC170976  Chimaphila umbellata H. M. Hall 1912-7-14 9390 Plumas Nelson Creek Sierra Nevada Mts., Nelson Creek 1432 Comment
  RSA59449  Chrysolepis sempervirens E. K. Balls 1950-9-2 15656 b Plumas South slope below Mt. Ingalls Lookout, north of Grizzly Valley. 2287 Comment
  SEINET7450658 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA126613  Chrysothamnus nauseosus subsp. albicaulis C. G. Albertus 1935-10-11 293 Plumas 2.9 miles NE of Loyalton 1524 Comment
  CAS-BOT-BC100816  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1975-8-2 20468 Plumas Black Mt. 2133 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
  RSA599865  Cicuta douglasii L. C. Wheeler 1959-7-15 7571 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CAS-BOT-BC190010  Cinna latifolia George W. Gillett 1957-7-17 797 -B Plumas Lassen Volcanic National Park. Moist gully running into stream flowing from Little Meadow Lake into Willow Lake. 1767 Comment
  JEPS107640  Cirsium andersonii Lowell Ahart, Josephine Guardino 2005-8-9 12274 Plumas North of a small drainage that runs into Fant Creek, 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
  UCR270575  Cirsium andersonii John F. Emmel 2001-7-24 1738 Plumas Northern Sierra Nevada Mtns., 1.2 road miles west of Little Grizzly Campground, c. 6 air miles ESE of Humboldt Summit 1829 Comment
  CHSC34319  Cirsium arvense L. Ahart 1981-9-6 3102 Plumas Indian Creek, 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  RSA716420  Cirsium arvense L. Ahart 2005-9-19 12391 Plumas Where the high water flows out of Taylor Lake, on the NE side of Taylor Lake, about 6 air miles SW of Antelope Lake. 2077 Comment
  CAS-BOT-BC278024  Cirsium cymosum Clare B. Hardham 1975-8-2 20456 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC278098  Cirsium douglasii var. breweri Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC286362  Cirsium scariosum A. A. Heller; P. B. Kennedy 1907-7-15 8855 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] 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
  OBI70535  Cirsium scariosum var. americanum B. Villegas 1999-7-8 Control 990111 Plumas Crystal Point, Frenchman's Lake, 13 mi NE of Chilcoot and hwy 70 Comment
  CAS-BOT-BC228896  Cistanthe umbellata Alice Eastwood 1927-6-15 14624 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC228910  Cistanthe umbellata Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC228713  Cistanthe umbellata Anna Head 1921-7-7 s.n. Plumas East Pk., Feather River Region Comment
  CAS-BOT-BC228916  Cistanthe umbellata Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 10 miles south of Quincy on road to La Porte 1981 Comment
  CAS-BOT-BC162587  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54123 Plumas Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC162588  Clarkia Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt. - Sierra Nevada 2133 Comment
  CHSC28923  Clarkia mildrediae subsp. lutescens L. Hanson 1979-7-23 57 Plumas On Little North Fork Rd, along edge. Comment
  JEPS108894  Clarkia mildrediae subsp. lutescens Lowell Ahart 2006-7-9 12920 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir 1650 Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  UCD104796  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-22 4469 Plumas Along Oroville-Quincy Highway. 0.9 mile W of Grizzly Creek. 1621 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
  RSA108403  Clarkia mildrediae subsp. mildrediae Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 752 Plumas Hwy 24, 7.8 mi. S of Yellow Creek Bridge along Feather River Comment
  LA40265  Clarkia mildrediae subsp. mildrediae June 1958 243- 57 4 Plumas Feather River and Shasta Lake Comment
  LA206089  Clarkia mosquinii subsp. mosquinii T. Mosquin; 1959-7-2 3335 Plumas 3.7 mi SW of entrance to Plumas National Forest along CA State Hwy 40 alternate Comment
  POM181047  Clarkia purpurea subsp. quadrivulnera A. A. Heller, P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills 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
  CAS-BOT-BC451740  Claytonia lanceolata Mrs. H. C. Cantelow 1938-7-4 4206 Plumas S. side Soda Creek. Drakesbad Comment
  CAS-BOT-BC451746  Claytonia lanceolata Lowell Ahart 1986-6-4 5325 Plumas South of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-east of La Porte 1828 Comment
  CHSC4926  Claytonia lanceolata M. S. Taylor 1981-4-30 3577 Plumas In plantation, ca. 1/2 mi n of 22N818, ca. 1 mi e of Big Peak and 4 mi w of Little Grass Valley Reservoir. 1706 Comment
  CHSC93077  Claytonia parviflora subsp. parviflora L. P. Janeway 1994-5-24 4648 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  UC83808  Claytonia parviflora subsp. parviflora Mrs. R. M. Austin May 1876 Plumas American Valley Comment
  CAS-BOT-BC443641  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1967-5-9 42216 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC443639  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1978-4-19 s.n. Plumas Dyson Lane, southwest of Vinton, Sierra Valley. Comment
  CHSC53163  Claytonia rubra subsp. rubra L. P. Janeway 1989-6-9 3283 Plumas Beckwourth Ranger District. Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CHSC63157  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas In shade of trees, on the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. Label mentions both Plumas and Sierra counties. 2011 Comment
  JEPS87717  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow) 1097 Comment
  UC422871  Clintonia uniflora H. M. Hall June 1912 Plumas Spanish Peak, Toll Gate Spanish Peak; Sierra Nevada Mountains, , Toll Gate Comment
  CHSC35899  Collinsia parviflora M. S. Taylor 1982-6-6 4410 Plumas Ca. 3/4 mi ne of 24n29, ca. 1 mi e of Meadow Valley. 1158 Comment
  JEPS115864  Collinsia parviflora Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15888 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  RSA0117247  Collinsia parviflora L. P. Janeway, B. Castro 2006-6-4 8671 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
  SJSU14342  Collinsia parviflora N. A. Hopkins 1990-5-12 1619 Plumas near Beckwourth-Genessee Rd, 17.2 mi NW of Beckwourth 1706 Comment
  CHSC87623  Collinsia rattanii Lowell Ahart; Josephine Guardino 2004-5-24 10947 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  SBBG128276  Collinsia rattanii L. Ahart, J. Dittes, J. Guardino 2009-6-14 15859 Plumas NW of cut bank of Forest Rd 27N01Y, ca. 1.3 mi W of Lake Almanor Dam 1462 Comment
  HSC22975  Collinsia torreyi John Pratt 1970-6-30 56 Plumas Humboldt Summit Comment
  RSA88415  Collinsia torreyi J. T. Howell 1951-6-28 27703 Plumas Eureka Peak. 2195 Comment
  CHSC63274  Collinsia torreyi var. wrightii Lowell Ahart 1994-6-15 7326 Plumas On the west side of a loggind road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grassy Valley Reservoir. 1767 Comment
  CHSC96921  Collinsia torreyi var. wrightii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14006 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC1026457  Collinsia torreyi var. wrightii John Thomas Howell 1951-6-28 27703 Plumas Eureka Peak 2255 Comment
  CDA40000  Collomia grandiflora H. S. Schierenberg 1951-7-27 s.n. Plumas Chester. 0 Comment
  RSA119387  Collomia grandiflora George W. Gillett 1957-7-18 807 Plumas Near trail on south side of Boiling Springs Lake. 1814 Comment
  POM75625  Collomia linearis Marcus E. Jones 1897-7-2 10194 Plumas Near Pratville at Clear Creek 1524 Comment
  UC907904  Collomia linearis Milo S. Baker 1935-6-26 8115 Plumas Hwys 39 and 89 Childs Meadows Comment
  CDA19236  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-17 3828 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS71064  Collomia tinctoria W. L. Jepson 1937-6-22 12301 Plumas near Camp Kelly; Warner Creek 1584 Comment
  SEINET12326110  Collomia tinctoria W. Knight, Knight, I. 1983-1 4940 Plumas confluence of North Fork of Feather River and Warner Creek on rd between Chester and Drakesbad 1463 Comment
  CAS-BOT-BC157360  Comarum palustre H. E. Brown 1897-8-15 s. 642 Plumas Near Lassen Buttes 1828 Comment
  SEINET7135415  Convolvulus polymorphus W. Harnach, N. Harnach 1990-6-19 407 Plumas Sierra Valley, Sugarloaf Road, at the junction of the road to Dotta neck and Sugarloaf 1676 Comment
  JEPS87739  Corallorhiza maculata Lowell Ahart 1994-6-17 7362 Plumas about 1 mi e of Sly Creek Reservoir (e side of a poor logging road about 100 yd s of the locked gate; w side of Sly Creek); Sly Creek 1097 Comment
  UC608845  Corallorhiza maculata Beryl O. Schreiber 1938-7-10 2528 Plumas 1/4 mi s U.C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  RSA381969  Corallorhiza maculata Robert Gustafson 1984-5-15 2946 Plumas Butterfly Botanical area, ca. 7 miles northwest of Quincy, west of Highway 89 1037 Comment
  SD7904  Corallorhiza maculata Mrs. R. M. Austin 1884-1 Plumas Big Meadows. Comment
  SD7903  Corallorhiza striata Mrs. R. M. Austin Jun 1880 Plumas Big Meadows. Comment
  RSA40419  Cordylanthus tenuis subsp. tenuis P. A. Munz 1948-8-12 12342 Plumas Forest Lodge, Greenville. 1128 Comment
  SEINET10548993  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1982-9-8 Taylor 5117 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC77062  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1996-8-9 5064 Plumas At eastern end of Red Mountain, about 2 mi south of Haskins Valley; on west side of Road 18 at junction with Road 23N69. 1792 Comment
  CHSC82132  Cordylanthus tenuis subsp. viscidus L. P. Janeway; B. Castro 2001-6-22 7371 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  CAS-BOT-BC209722  Cornus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54363 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CAS-BOT-BC209435  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  JEPS50164  Cornus nuttallii E. Fritz and T. H. Harris 1926-7-12 Plumas Meadow Valley Comment
  JEPS48510  Cornus nuttallii E. C. Fritz 1933-6-28 Plumas aboE. C. Fritzut Camp Califorest near Meadow Valley 1188 Comment
  CAS-BOT-BC210313  Cornus sericea Anna Head 1920-6-10 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CAS-BOT-BC210499  Cornus sericea subsp. occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2400 Plumas Butterfly Botanical Area Comment
  POM180961  Cornus stolonifera A. A. Heller, P. R. Kennedy, A. H. Heller 1907-7-13 8829 Plumas Taylorville. 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
  POM97818  Corydalis caseana R. M. Austin 1876-07 11 Plumas Mill Creek Comment
  CAS-BOT-BC401876  Corydalis caseana subsp. caseana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54364 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  UC1126549  Corydalis caseana subsp. caseana Beryl O. Schreiber 1938-7-10 2527 Plumas 1/4 mi. s. of U.C. Forestry Camp near Meadow Balley; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC401870  Corydalis caseana subsp. caseana Marcus E. Jones 1897-7-9 s.n. Plumas On Road from Prattville to Chico, 13 miles down 1524 Comment
  UC120141  Corydalis caseana subsp. caseana D. Cleveland 1882-7-25 Plumas Big Spring Comment
  CHSC43300  Corylus cornuta var. californica Lowell Ahart 1975-7-2 831 Plumas About 6 miles north of the Sly Creek Dam. 914 Comment
  CHSC40609  Crassula Lowell Ahart 1985-9-26 5173 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC290449  Crepis acuminata Rimo Bacigalupi 1927-7-11 1700 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC290456  Crepis acuminata Anna Head 1920-7-23 s.n. Plumas Lake Center Camp, near Green Lake. Feather River Region 1920 Comment
  CAS-BOT-BC290450  Crepis acuminata Anna Head 1921-8-14 s.n. Plumas Gray Eagle Trail, Feather River Region Comment
  OBI16626  Crepis acuminata Lewis S. Rose 1967-7-10 67146 Plumas 1 mi S of Keddie. Butterfly Crk and Spanish Crk 884 Comment
  CAS-BOT-BC291565  Crepis intermedia John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2424 Plumas Adjacent to the mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  SEINET7837084 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  UC581245  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2151 Plumas Beckwith Peak; e slope 1670 Comment
  RSA39747  Crepis modocensis subsp. subacaulis P. A. Munz 1947-5-17 11844 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  CAS-BOT-BC290782  Crepis occidentalis subsp. occidentalis L. W. Swift 1934-5-18 117 Plumas Sugar Loaf near Meadow View 1889 Comment
  UC581189  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-6 2209 Plumas 2 mi e Meadow Valley (on road to Quincy) 1150 Comment
  CAS-BOT-BC494117  Crypsis alopecuroides W. Harnach; N. Harnach 2000-8-2 965 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC177810  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54247 Plumas 3 miles southeast of Mt. Hough on road to Quincy 1737 Comment
  CDA15030  Cryptantha affinis G. F. Hrusa 1997-6-26 13897 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 mi. S of Estray Ck. Comment
  CHSC63619  Cryptantha affinis B. Castro; R. Zebell 1989-7-20 325 Plumas Off the S end of Walker Plains, off S side of the Oro-Quincy Hwy. 1539 Comment
  JEPS106024  Cryptantha affinis Lowell Ahart, Josephine Guardino 2004-5-24 10942 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
  POM287900  Cryptantha affinis Lyman Benson 1932-7-29 3997 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET8518893  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-4 8729 Plumas Meadow two miles S of Red Clover Valley. Comment
  CDA18585  Cryptantha flaccida G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3285 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  CDA19252  Cryptantha simulans G. D. Barbe, T. C. Fuller 1982-6-17 3809 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  UC78658  Cryptantha torreyana Mrs. R. M. Austin Jul 1882 Plumas Big Meadows Comment
  SEINET10529928  Cryptogramma acrostichoides Mary Susan Taylor 1982-8-30 Taylor 5078 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  CAS-BOT-BC70527  Cryptogramma cascadensis George W. Gillett 1957-7-23 887 Plumas Mt. Harkness 2255 Comment
  MACF019596  Cupressus Trudy R. Ericson 1975-9-18 402 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  CAS-BOT-BC80527  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1-1/2 miles west of Wheeler Peak 1996 Comment
  CHSC91897  Cupressus bakeri Lowell Ahart; Josephine Guardino, John Dittes 2005-8-10 12325 Plumas On the east side of Forest Road 27N34, about 1/2 mile south of Wilcox Valley, about 3/4 mile northeast of Eisenheimer Peak. 2021 Comment
  CAS-BOT-BC224544  Cuscuta californica John Thomas Howell; G. D. Barbe; T. C. Fuller 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  CHSC66756  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8150 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC74085  Cuscuta californica var. californica B. Castro; L. P. Janeway 1998-8-28 825 Plumas Ca 1 air mi NW of Little Grass Valley Reservoir, at jcn of Lumpkin Ridge Road (USFS Rd 22N27) and Rd 23N94, on N side of intersection. 1737 Comment
  CHSC92818  Cuscuta californica var. californica Lowell Ahart; Josephine Guardino 2005-8-9 12277 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast 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
  HSC93210  Cuscuta occidentalis Vernon H. Oswald, L. Ahart 1996-8-14 8150 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  HSC95439  Cuscuta subinclusa John Dittes 2002-8-10 230 Plumas N High Sierra Nevada, Plumas National Forest, Lumpkin Ridge, 2.5 mi. W of Little Grass Valley Reservoir Dam, 1.9 mi. E of Camel Peak, 1.2 mi. NE of McNair Saddle on N side of FS Primary Route 27 1686 Comment
  UC1586428  Cycladenia humilis var. humilis Vernon H. Oswald and Lowell Ahart 1991-6-18 4686 Plumas 4 air mi n of Greenville (Forest Road 28N38 3.4 mi ene of its junction w County Road 201 (Old Haun Road)); Forest Road 28N38 Comment
  CHSC37544  Cymopterus terebinthinus var. californicus M. S. Taylor; H. Swanson 1982-8-11 4967 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville. 2133 Comment
  CDA13932  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1997-5-3 13857 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  UCD144320  Cynoglossum occidentale G. F. Hrusa; T. D. Wilfred 1996-8-1 13412 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  JEPS101232  Cyperus squarrosus Dean W. Taylor 2000-8-12 17575 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  JEPS114862  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 Plumas S of the road, about 1/2 mi NW of the dam at Little Grass Valley Reservoir, about 4 mi (air) NW of La Porte 1689 Comment
  SEINET13709640  Cyperus squarrosus Lowell William Ahart, Lowell William Ahart 2003-1 10428 Plumas 4.5 Air Mi. NW of La Porte, 1/4 Mi. W of Lumpkin Ridge Road (39 Deg 44'27.7"N, 121 Deg 01'58.5"W) 5610 Ft. 1710 Comment
  CAS-BOT-BC114130  Cyperus squarrosus John Thomas Howell 1959-9-21 34753 Plumas Sand bars of N Fk Feather River near Belden. 701 Comment
  JEPS95071  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of North Fork Feather River, at elevated siphon); Caribou Road, North Fork Feather River 731 Comment
  RSA139107  Cypripedium californicum Lee W. Lenz 1958-6-19 23529 Plumas North Fork, Feather River above Beldon 610 Comment
  CAS-BOT-BC70668  Cystopteris fragilis Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1791 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC97183  Cystopteris fragilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14017 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC1561897  Cystopteris fragilis Barbara Ertter 1987-7-24 7307 Plumas ca. 6.5 mi n of Chilcoot (on Rt. 284 to Frenchman Lake); Last Chance Creek Canyon 1676 Comment
  CAS-BOT-BC70675  Cystopteris fragilis John Thomas Howell 1960-7-20 35749 Plumas Boiling Springs Lake 1798 Comment
  CAS-BOT-BC189785  Dactylis glomerata Mary S. Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  CHSC92146  Dactylis glomerata Lowell Ahart; John Dittes 2005-9-20 12457 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  SD6434  Damasonium californicum Daniel Cleveland 1882-7-22 Plumas Prattville Comment
  CDA17296  Damasonium californicum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16324 Plumas Sierra Nevada; Few mi. E of Portola along Hwy 70, immed. adjacent to Hwy. 1554 Comment
  CAS-BOT-BC189660  Danthonia californica Anna Head 1921-7-1 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC189666  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1653 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  CHSC87862  Danthonia californica var. americana Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11006 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1344 Comment
  UCD60679  Danthonia californica var. americana John Thomas Howell 1960-7-22 35888 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC192346  Danthonia unispicata Mary S. Clemens 1920-7-3 4 Plumas Greenville Comment
  RSA236757  Darlingtonia californica Larry E. DeBuhr, Gary D. Wallace 1972-5-21 595 Plumas Plumas Nat'l Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  SBBG70336  Darlingtonia californica unknown 1895-1 Plumas probably in Butterfly Valley near Quincy Comment
  UC635467  Darlingtonia californica Mrs. H. M. Hall 1927-4-20 Plumas Butterfly Valley Comment
  CAS-BOT-BC420650  Darmera peltata John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2360 Plumas Butterfly Botanical Area. Growing on rocks in Butterfly Creek at confluence of Spanish Creek.. 1036 Comment
  UCD102616  Darmera peltata Alva Day Date unknown s.n. Plumas Cascade Creek. 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
  JEPS23484  Delphinium L. S. Smith 1920-5-21 1584 -a Plumas near Calpine (w edge of Valley); Sierra Valley 1676 Comment
  UCD19153  Delphinium June McCaskill 19__? 323 Plumas Lake Almanor region? Comment
  RSA39893  Delphinium andersonii P. A. Munz 1947-5-16 11836 Plumas 8 miles north of Chilcoot. 1524 Comment
  SEINET5337985  Delphinium decorum L. Miller 1934-1 s.n. Plumas Near Portola, CA. Comment
  CDA18492  Delphinium gracilentum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3362 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road formed by Bucks Creek. 1645 Comment
  CAS-BOT-BC8781  Delphinium gracilentum Ella D. Cantelow 1942-5-11 3607 Plumas 3 miles west of Belden, Feather River Canyon Comment
  RSA104952  Delphinium gracilentum E. K. Balls, Lee W. Lenz 1955-5-13 20702 Plumas Above Camp Rogers along trail to Bucks Lake 655 Comment
  CHSC61606  Delphinium hesperium Arthur O. Barrett 1915-6-27 1 Plumas Plumas Forest. Indian Creek. 1645 Comment
  CHSC45505  Delphinium nudicaule Lowell Ahart 1976-6-14 1140 Plumas Near the edge of the West Branch of Hopkins Creek, about 10 miles north-east of La Porte. 1828 Comment
  UCR115328  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1982-7-15 3739 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  UC972198  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end Pine Val. (Hwy 89) 914 Comment
  CAS-BOT-BC116116  Delphinium nuttallianum A. A. Heller 1913-6-13 10862 Plumas Near Quincy 1066 Comment
  CHSC75525  Delphinium nuttallianum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3140 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CAS-BOT-BC116110  Delphinium nuttallianum Alice Eastwood 1927-6-17 14631 Plumas United State Forest Reserve, Long Valley Comment
  UC118562  Delphinium nuttallianum Mrs. R. M. Austin Aug. 1896 446 Plumas Big Meadows 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
  CHSC52968  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1989-6-30 3437 Plumas Plumas National Forest. Meadow along Crocker Cr ca 0.6 mi N of Crocker Meadow and Crocker Guard Station; enar the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  JEPS76239  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1939-8-14 19418 Plumas Willow Creek 1828 Comment
  POM365010  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor Comment
  CHSC97615  Deschampsia danthonioides Lowell Ahart; John Dittes 2007-6-16 14096 Plumas On dry bare soil, graded road gutter, east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC201887  Deschampsia elongata David D. Keck 1944-7-8 5426 Plumas 1 mile N. of Quincy, across Spanish Creek 1066 Comment
  CAS-BOT-BC201892  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  RSA60121  Deschampsia elongata E. K. Balls 1950-9-2 15644 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  RSA718446  Deschampsia elongata L. Ahart 2006-7-9 12931 Plumas near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1679 Comment
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  UC1126758  Descurainia pinnata E. Sawyer 1935-6-10 89 Plumas 4.5 mi se Sugarloaf; Sierraville Quad. 1493 Comment
  CAS-BOT-BC43271  Descurainia pinnata subsp. glabra M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at junction of Grizzly Creek and Feather River, ca. 2 miles west of Beckwourth. 1487 Comment
  SEINET10448461  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-19 Taylor 4480 Plumas T23N R14E se/se sec 29. Portola quad. Ridgetop, sagebrush scrub & sandy soils, Ramelli Ranch, on ridge 1.5 mi e of Portola. 5760 ft. 1756 Comment
  CHSC47452  Dicentra formosa Lowell Ahart 1975-8-29 961 Plumas Along edge of dirt road, about 1 mi. east of the Headquartz Mine, about 10 miles south of Bucks Lake. 1828 Comment
  CAS-BOT-BC209172  Dichanthelium acuminatum subsp. acuminatum S. Spellenberg 1965-7-15 1229 Plumas Devil's Kitchen, Lassen Volcanic National Park Comment
  CAS-BOT-BC209229  Dichanthelium acuminatum subsp. acuminatum David D. Keck 1932-7-3 1671 Plumas Along fence in meadow, along the road to Lake Almanor, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC254484  Dichanthelium acuminatum subsp. acuminatum Walter & Irja Knight 1966-6-18 1383 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC242666  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  UC625490  Dichelostemma multiflorum Frank W. Gould 1938-6-26 450 Plumas 5 mi n Blairsden 1371 Comment
  CAS-BOT-BC502662  Dichelostemma multiflorum John Thomas Howell; Gordon H. True 1967-7-11 43298 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CAS-BOT-BC502671  Dichelostemma multiflorum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-12 2151 Plumas Pond reservoir 1097 Comment
  CAS-BOT-BC299761  Dieteria canescens var. canescens M. S. Taylor 1982-8-27 5046 Plumas SW corner of jct. of Hwy. 70 and road to Loyalton, in Vinton 1493 Comment
  CHSC112607  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  CHSC53133  Dieteria canescens var. canescens L. P. Janeway 1990-9-14 3849 Plumas Plumas National Forest. Slope above Meadow Creek about half way between Mt Ingalls and Red Clover Creek. On bed of unused logging road. 2103 Comment
  CAS-BOT-BC209011  Digitaria sanguinalis John Thomas Howell 1959-9-21 34724 Plumas Belden - Sierra Nevada 701 Comment
  CAS-BOT-BC150485  Diplacus grandiflorus Saichi Kawahara 1968-5-5 414 Plumas Highway 70, Feather River Canyon, opposite de Sabla PG&E station Comment
  CAS-BOT-BC151822  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 a Plumas Along a side road, north of Cleghorn Bar Road, about 1 3/4 miles northwest of Finger Board, about 4 1/4 miles northwest of Pilot Peak 1828 Comment
  CAS-BOT-BC151853  Diplacus mephiticus David D. Keck 1932-7-6 1714 Plumas Eight miles north of Greenville on road to Prattville - Sierra Nevada 1463 Comment
  CHSC97511  Diplacus mephiticus Lowell Ahart; John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC151696  Diplacus torreyi A. A. Heller; B. B. Kennedy 1907-7-11 8819 Plumas Prattville Comment
  CAS-BOT-BC151690  Diplacus torreyi Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen National Park Comment
  CDA20149  Disporum hookeri B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 1207 Comment
  CAS-BOT-BC136149  Dodecatheon alpinum John Thomas Howell 1951-6-27 27612 Plumas Jamison Creek - Sierra Nevada 1950 Comment
  CHSC60554  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. North side of Big Grizzly Creek at northwest end of Lake Davis. Large grassy/sedgy meadow. 1764 Comment
  RSA93301  Downingia bacigalupii D. D. Keck 1932-7-6 1716 Plumas Halfway between Prattville and Chester. 1341 Comment
  SJSU13887  Downingia bacigalupii N. A. Hopkins 1986-7-15 1361 Plumas S end Squaw Valley Comment
  UC534997  Downingia bacigalupii Mrs. H. P. Bracelin 1932-7-25 695 Plumas 7 mi s Chester (and Lake Almanor Inn 2 mi s, Humbug road) 1524 Comment
  SBBG33139  Downingia bicornuta K. K. Muller 1965-8-19 1366 Plumas 5 mi NW of Almanor P.O. on St Hwy 89 Comment
  SEINET10973509  Draba verna Mary Susan Taylor 1982-5-7 Taylor 4415 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  CHSC60528  Draba verna var. aestivalis L. P. Janeway 1992-4-2 4145 Plumas Plumas National Forest. 1 1/4 mi northeast of Middle Fork Feather River (and Sloat), 1/4 mi northeast of Hwy 70/89, 1/2 mi east of Rattlesnake Creek. 1706 Comment
  RSA794787  Draperia systyla L. Ahart, John Dittes 2009-7-15 16100 Plumas Northeast of the power line, on the east side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  SEINET5906158 Image available Draperia systyla L. S. Rose 1967-1 67141 Plumas Caribou, North Fork, Feather River. Comment
  UCD99506  Drosera anglica Barry Rice 2004-8-24 BR 040804 Plumas at Willow Lake. Comment
  UC108326  Drosera rotundifolia Mrs. R. M. Austin 1882-1 Plumas Comment
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Mar 23 2010
  RSA0055038  Drosera rotundifolia Anonymous s.n. Plumas [Unspecified] Comment
  UC567235  Drymocallis glandulosa var. glandulosa D. Axelrod 1934-6-8 14 Plumas La Porte Downieville Quad., La Porte 1524 Comment
  CAS-BOT-BC535003  Drymocallis glandulosa var. reflexa A. A. Heller 1913-6-13 10853 Plumas Near Qunicy 1066 Comment
  JEPS120539  Drymocallis lactea var. austiniae L. P. Janeway 2013-6-2 11130 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain; along Road 23N69, 1.0 road km west of Road 18. Comment
  CHSC78733  Dulichium arundinaceum L. P. Janeway 2000-7-7 6897 Plumas Northern High Sierra Nevada. Marsh on west side of Smith Lake - enlarged by beaver activity. 1247 Comment
  UC1609246  Dulichium arundinaceum Vernon H. Oswald and Lowell Ahart 1993-8-3 5760 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  CAS-BOT-BC197241  Echinochloa muricata John Thomas Howell 1959-9-24 34925 Plumas Junction of Indian and Spanish creeks 914 Comment
  RSA59254  Echinochloa muricata var. microstachya E. K. Balls 1950-8-31 15550 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  JEPS101233  Elatine chilensis Dean W. Taylor 2000-8-12 17572 Plumas Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  CHSC81616  Elatine triandra Lowell Ahart 2001-10-8 9325 A Plumas In shallow water of a small stream, east of Lost Cove, below the high water line of Antelope Lake, northeast of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CHSC82457  Eleocharis acicularis Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9833 Plumas On the north side of Forest Road 22N94, about 50 yards west of Forest Road 22N94E, 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. 1583 Comment
  CAS-BOT-BC113494  Eleocharis bella Lowell Ahart 1985-9-26 5186 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  CAS-BOT-BC113511  Eleocharis bella John Thomas Howell 1961-9-22 36794 Plumas Wolf Creek, Greenville. 1088 Comment
  JEPS103552  Eleocharis bella Lowell Ahart 2002-7-2 9815 Plumas 9 air mi NW of La Porte (water holding pond 150 yds N of Forest Road 22N94, Hartman Bar Ridge, 1 air mile SW of Franklin Hill, 4 1/2 mi NW of Tamarack Flat) 1597 Comment
  CAS-BOT-BC113505  Eleocharis bella Claire Etienne 1969-7-26 283 Plumas Off Middle Fork of Feather River, Hwy 89, near Graeagle, 1280 Comment
  CAS-BOT-BC494111  Eleocharis bella W. Harnach; N. Harnach 2000-8-2 967 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC113388  Eleocharis engelmannii Lowell Ahart 1980-10-6 2677 Plumas Ca. 1 mi S of La Porte. 1600 Comment
  CAS-BOT-BC113381  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  CAS-BOT-BC113392  Eleocharis engelmannii var. detonsa John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2146 Plumas Pond reservoir, Butterfly Botanical Area. 1127 Comment
  CAS-BOT-BC113387  Eleocharis engelmannii var. detonsa Lewis Samuel Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 mi W of Keddie, boggy meadows. 1066 Comment
  CHSC53555  Eleocharis macrostachya Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  CAS-BOT-BC113107  Eleocharis obtusa E. K. Balls 1950-8-31 15546 Plumas Spanish Creek, off Hwy 24, just north of Quincy. 1066 Comment
  CAS-BOT-BC113108  Eleocharis obtusa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1453 Plumas In bed of Spanish Creek near confluence of Butterfly Creek. 883 Comment
  SEINET9084151  Eleocharis parishii L. Ahart 1997-9-11 7899 Plumas On the W edge of Caribou Road, on the W side of the North Fork of the Feather River, ca 1.8 mile S of mosquito Creek, ca 5 air miles NE of Belden. 792 Comment
  CHSC78472  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6913 Plumas Northern High Sierra Nevada. Small meadow at head of branch of Axford Creek; southeast edge of Granite Basin (but not granite substrate). 1609 Comment
  UC1748293  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6920 Plumas head of East Branch Coldwater Creek Northern High Sierra Nevada 1768 Comment
  CHSC78475  Eleocharis suksdorfiana Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond Reservoir and Sweetwater Meadow. 1164 Comment
  JEPS111102  Eleocharis torticulmis L. P. Janeway, Linnea Hanson, Jerold Hustafa, Jim Battagin 2000-9-13 6969 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  SEINET4965096  Eleocharis torticulmis Unknown 2000-7-3 6874 Plumas Plumas County, Crescent Mills quad; Northern High Sierra Nevada, Butterfly Valley Botanical Area: Sweetwater Meadow Comment
  CHSC36999  Elodea nuttallii M. S. Taylor 1982-8-10 4955 Plumas In s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CDA33897  Elodea nuttallii Ed Finley 2010-8-25 Plumas Prattville; Butt Valley Reservoir, Ray Adams Boat Ramp, Prattville Butt Reservoir Rd. 0 Comment
  CHSC21817  Elymus F. T. Griggs; A. Pass 1975-7-12 177 Plumas Bucks Lake. Comment
  SD149203  Elymus cinereus Fred Sommers, Greg Sommers 1976-7-20 153 Plumas Sierra Valley Marsh, in ungrazed fields on south side of Marble Lane 1487 Comment
  UCR17479  Elymus elymoides Frank C. Vasek 1975-7-10 750710- 27 Plumas Chilcoot Campground, south of Frenchman Lake 1555 Comment
  CHSC112388  Elymus elymoides var. californicus L. P. Janeway 2014-6-23 11411 Plumas Northern High Sierra Nevada. Plumas National Forest; Secret Diggings Gravel Pit on Illinois Ridge, 2.0 air-km south of La Porte. 1476 Comment
  RSA2501309  Elymus glaucus J. T. Howell 1960-7-18 35598 Plumas Lassen Volcanic National Park; Meadow near bath house, Drakesbad 1677 Comment
  UCD61861  Elymus glaucus John Thomas Howell 1960-7-18 35608 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC206519  Elymus glaucus subsp. glaucus John Thomas Howell 1962-6-17 37688 Plumas Butterfly Valley - Sierra Nevada 1036 Comment
  CHSC115893  Elymus glaucus subsp. glaucus L. P. Janeway 2015-7-29 11812 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  JEPS118431  Elymus sierrae Lowell Ahart 2011-9-20 17681 Plumas On the northwest side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  UC641648  Elymus trachycaulus G. L. Stebbins Jr. 1939-7-9 2928 Plumas Meadow View Ranger Station; along rivulet 1889 Comment
  UC717963  Elymus trachycaulus David D. Keck 1944-7-8 5419 Plumas Feather River Inn Sierra Nevada, Middle Fork Feather River, Mohawk Valley 1356 Comment
  CHSC112560  Elymus trachycaulus subsp. subsecundus B. Castro; L. P. Janeway 2009-8-29 1800 Cq8/29 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.13 mi S of the Buckhorn survey monument; 0.2 mi upslope of the jcn of USFS Rd 23N69 and Rd 23N36Y (to Martin Mine). 1926 Comment
  SD149206  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Circa 0.1 mile North of Feather Fork Mine, circa 8 miles North of La Porte 2000 Comment
  CAS-BOT-BC204406  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1955-7-1 30786 Plumas Vinton 1505 Comment
  SEINET10561203  Elymus triticoides subsp. multiflorus Frederick J. Hermann 1955-7-27 Hermann 11946 Plumas Dried swale along highway. Vinton. Comment
  SEINET10524554  Elymus virescens Billy Joe Cox 1969-8-18 Cox 3421 Plumas Roadcut in open pine forest. 2 mi NE of Blairsden. Comment
  CHSC53225  Elytrigia intermedia subsp. intermedia L. P. Janeway 1989-6-29 3415 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
  CHSC94949  Elytrigia intermedia subsp. intermedia Samantha Mackey Hillaire 2006-9-13 1230 Plumas Sierra Nevada. Buck's Lake area. Oro-Quincy highway; roadside (north side), south of a large meadow around Haskin's Bay. 1584 Comment
  UC1523802  Elytrigia intermedia subsp. intermedia Gary Schoolcraft 1982-7-27 818 Plumas n Chilcoat 1645 Comment
  CHSC44970  Epilobium K. R. Stern 1985-6-25 8200 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC59919  Epilobium brachycarpum L. P. Janeway 1992-7-17 4267 Plumas Plumas National Forest. 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. In unused dirt road and adjacent clear-cut slope. 1731 Comment
  CHSC75513  Epilobium brachycarpum G. F. Hrusa; B. Smith, T. D. Wilfred 1996-8-11 13500 Plumas Sierra Nevada. Meadow, on N side of USFS 23N12, approx. 3/4 mile W of Bull Run Creek crossing. [Original lat./long. on label is '39 53 N; 120 39 W']. 1850 Comment
  JEPS43853  Epilobium brachycarpum W. L. Jepson 1939-8-16 19428 Plumas Portola Comment
  RSA726356  Epilobium brachycarpum L. Ahart, John Dittes 2007-6-16 14144 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
  SEINET12640894  Epilobium brachycarpum W. Harnach, N. Harnach 1990-1 402 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1615 Comment
  CHSC59757  Epilobium campestre L. P. Janeway 1992-9-16 4310 Plumas Plumas National Forest. Edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC171707  Epilobium canum subsp. latifolium Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC171708  Epilobium canum subsp. latifolium Lewis S. Rose 1932-9-6 32631 Plumas Wade Lake 1981 Comment
  CAS-BOT-BC171715  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 s.n. Plumas Feather River Canyon Comment
  CHSC95281  Epilobium canum subsp. latifolium L. P. Janeway 2006-10-31 8916 Plumas Northern High Sierra Nevada. Plumas National Forest; basalt tableland on east side of Lumpkin Road 0.4 km northeast of Road 21N65 and 1.1 road km southwest of McNair Saddle; east-facing outcrop overlooking Bear Creek and South Fork Feather River. 1554 Comment
  HSC73001  Epilobium canum subsp. latifolium M. S. Taylor 1981-9-14 4277 Plumas N side of Spur Rd. through center of Dark Ravine, 1/4 mi. N of Rush Creek, 5 mi. ESE of Greenville 1585 Comment
  JEPS44028  Epilobium canum subsp. latifolium W. L. Jepson 1924-7-22 10607 Plumas Rich Pt. Middle Fork Feather River 914 Comment
  UCD105461  Epilobium canum subsp. latifolium F. H. Bolster 1912-9-1 9 Plumas Feather River Canyon. 762 Comment
  UCD105463  Epilobium canum subsp. latifolium F. H. Bolster 1912-9-2 9 Plumas Feather River Canyon. 762 Comment
  CHSC117614  Epilobium ciliatum subsp. ciliatum L . P. Janeway 2016-8-16 12157 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 23N10 0.3 km north-northwest of bridge across Hopkins Creek between Pilot Peak and Blue Nose Mtn. 1737 Comment
  CHSC21317  Epilobium ciliatum subsp. ciliatum F. T. Griggs; A. Pass 1975-7-29 265 Plumas Buck's Lake. Comment
  JEPS43849  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1939-8-4 19335 Plumas Rock Creek Meadow Valley 1219 Comment
  SD7371  Epilobium ciliatum subsp. ciliatum R. M. Austin 1882-7-25 Plumas Big Meadows Comment
  POM262915  Epilobium ciliatum subsp. glandulosum Herbert McLean Evans 1922-07 s.n. Plumas Willow Lake. Mt. Lassen National Park. Comment
  SEINET9716105  Epilobium densiflorum E. K. Balls 1950-8-31 15551 Plumas Spanish Creek, off Hwy. 24, just north of Quincy Comment
  CHSC76058  Epilobium glaberrimum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3343 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  POM46380A  Epilobium glaberrimum subsp. glaberrimum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC54449  Epilobium glaberrimum subsp. glaberrimum H. M. Hall and E. B. Babcock July, 1903 4452 Plumas Red Clover Canyon Sierra Nevada Mountains (along streams) 1584 Comment
  RSA101455  Epilobium hallianum R. Weatherby 1955-7-2 1583 Plumas Wilcox Valley. 1768 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
  CHSC21686  Epilobium lactiflorum D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake. Comment
  JEPS38223  Epilobium torreyi W. L. Jepson 1939-8-12 19395 a Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  CAS-BOT-BC57899  Equisetum X ferrissii M. S. Taylor 1982-7-8 4805 Plumas Portola Quad. S. edge of Feather River, ca. 1 mi. ssw. of Beckwourth, on Ramelli Ranch, ca. 1/4 mi. e. of Calpine Rd. 1487 Comment
  CHSC24281  Equisetum arvense K. R. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  SEINET10530183  Equisetum arvense Mary Susan Taylor 1981-7-21 Taylor 4088 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CAS-BOT-BC57395  Equisetum laevigatum John Thomas Howell 1951-6-29 27742 Plumas Near Spring Garden 1219 Comment
  UC942949  Eremogone aculeata Lewis S. Rose 1951-6-28 51052 Plumas above Eureka Lake (n of Johnsville) 2133 Comment
  CAS-BOT-BC174155  Eremogone aculeata L. P. Janeway 1989-6-16 3328 Plumas Northeast slope of Crocker Mtn facing the SE end of Red Clover Valley 1828 Comment
  SEINET5336834  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  RSA595069  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon. 610 Comment
  CHSC115722  Eremogone cliftonii K. Bovee 2014-5-15 53 Plumas Lassen National Forest, Almanor Ranger District, on northeast-facing slopes above Grizzly Creek, just downslope from Road 26N08. 1341 Comment
  CAS-BOT-BC174267  Eremogone congesta var. subcongesta M. S. Taylor 1982-5-17 4461 Plumas N side of 22N55, near its jct with 22N54 & 22N88, ca. 2 mi se of Portola, on ridges below Beckwourth Peak 1706 Comment
  CAS-BOT-BC174268  Eremogone congesta var. subcongesta G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-9 2244 Plumas Southwest slopes and ridges crest Red Rock, north of Engelmine [Engel Mine] 2180 Comment
  CAS-BOT-BC174389  Eremogone macradenia var. macradenia Alice A. Ackley 1966-6-1 s.n. Plumas Injun Jim Campground, Feather River North Fork Comment
  CAS-BOT-BC286651  Ericameria bloomeri M. S. Taylor 1981-8-19 4226 Plumas S side of 23N10, 0.5 mi e of its jct with spur rd 23N10G, ca. 5 air mi w of Sloat 1615 Comment
  CAS-BOT-BC286657  Ericameria bloomeri Milo S. Baker 1926-9-2 336 c-'26 Plumas Lee's Camp Comment
  CAS-BOT-BC286658  Ericameria bloomeri M. S. Taylor 1981-8-25 4235 Plumas Red Hill Lookout, ca. 3 air mi ne of Belden 1920 Comment
  CHSC43608  Ericameria bloomeri Vernon Oswald 1984-8-14 1649 Plumas Hwy 36 at the Chester Airport. 1386 Comment
  JEPS29565  Ericameria bloomeri John Thomas Howell 1960-8-20 36282 Plumas near Drakesbad (Kelly Camp; near Lassen Volcanic National Park) 1615 Comment
  RSA59448  Ericameria bloomeri E. K. Balls 1950-9-2 15658 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  CHSC115801  Ericameria nauseosa var. oreophila Lowell Ahart; John Deurloo 2015-8-25 20531 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CHSC55184  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  SBBG50454  Ericameria nauseosa var. speciosa J. T. Howell 1974-9-20 50902 Plumas near Spring Garden 1158 Comment
  SD71012  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  SEINET8079196 Image available Ericameria nauseosa var. speciosa J. T. Howell 1959-9-25 s.n. Plumas 2 miles E of Portola 1484 Comment
  CAS-BOT-BC294399  Ericameria parryi var. latior John Thomas Howell 1924-8-11 631 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  SD9016  Erigeron Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer Big Meadows. 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
  CHSC52762  Erigeron bloomeri var. bloomeri L. P. Janeway 1989-7-7 3468 Plumas Plumas National Forest. Northeast side of Red Clover Valley; along road 24N23 0.5 mi SE of road 26N70 (the road to Laufman); vicinity of Lava Spring. 1691 Comment
  CHSC95065  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2006-6-14 8692 Plumas Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynolds Creek, 1.4 km north of Red Clover Creek. About 70 m northeast of the creek. 1664 Comment
  CAS-BOT-BC294470  Erigeron bloomeri var. bloomeri Matt Lavin 1983-6-2 s.n. Plumas Sierra Nevada just S of Vinton 1524 Comment
  CHSC34886  Erigeron canadensis M. S. Taylor 1981-8-28 4245 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio. 1432 Comment
  CHSC69510  Erigeron canadensis Lowell Ahart 1997-9-11 7914 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CAS-BOT-BC296003  Erigeron divergens Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  UC1563920  Erigeron eatonii var. plantagineus Barbara Ertter with Gary Schoolcraft 1989-7-3 8676 Plumas w side of ridge between Diamond Mt. and Red Rock (ca 8 air mi s of Susanville, steep slope above meadow) 2225 Comment
  CAS-BOT-BC300837  Erigeron glacialis var. glacialis Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 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
  CHSC53131  Erigeron inornatus var. inornatus L. P. Janeway 1990-7-13 3798 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  CHSC55662  Erigeron inornatus var. inornatus K. R. Stern 1985-6-25 8238 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC92955  Erigeron inornatus var. inornatus L. P. Janeway 2005-7-31 8507 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km south-southwest of Adams Peak. 1875 Comment
  JEPS87536  Erigeron inornatus var. inornatus Lowell Ahart 1993-9-24 7266 Plumas e side of Cleghorn Bar Road near Monitor Flat (about 3 mi nw of Pilot Peak) 1828 Comment
  SEINET5507544  Erigeron inornatus var. inornatus R. Spellenberg, M. Spellenberg 2013-7-23 14580 Plumas 28 air km NW of junction of Plumas, Lassen and Sierra counties, 6.4 km N of Beckwourth on Beckworth-Genesee Rd. (USFS 177) 1665 Comment
  RSA540087  Erigeron lassenianus Walter Knight, Irja Knight, John Thomas Howell, Gordon H. True 1969-7-24 2454 Plumas Butterfly Creek Canyon. Butterfly Botanical Area and vicinity 991 Comment
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  CHSC82553  Erigeron lassenianus var. deficiens Lowell Ahart 2002-7-18 9855 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  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-BC295786  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CHSC110375  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC97783  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  CHSC98711  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9185 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. 1244 Comment
  RSA724903  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  CDA14741  Erigeron pumilus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3283 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  UC572486  Eriodictyon californicum C. G. Albertus 1935-8-9 259 Plumas 4 1/2 mi ne Quincy; Plumas National Forest, Downieville Quad. Comment
  CAS-BOT-BC248772  Eriogonum baileyi var. baileyi John Thomas Howell 1959-9-25 35028 Plumas Summit of Beckwourth Pass 1588 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
  CAS-BOT-BC256171  Eriogonum douglasii var. meridionale John Thomas Howell 1962-6-18 37790 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC435532  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of USFS Rds 28N01 and 28N70 on flat W of Highway, 11.9 air mi NNW of Beckwourth 1706 Comment
  UC1032037  Eriogonum elatum C. W. Hanks 1934-8-6 5 Plumas n end of Sierra Valley Plumas National Forest, Sierraville Quadrangle, Sierra Valle Comment
  CAS-BOT-BC246535  Eriogonum elatum var. elatum John Thomas Howell 1955-7-19 30747 Plumas Beckwourth 1493 Comment
  CHSC62480  Eriogonum elatum var. elatum L. P. Janeway 1993-8-10 4513 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. Around the sagebrush in sagebrush flats. 1487 Comment
  CAS-BOT-BC255756  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Road (32N49), ca. 1 mi. NW of Mt. Jackson, ca. 5 air mi nw of Mohawk 1645 Comment
  CHSC107474  Eriogonum lobbii L. P. Janeway; Peter Zika 2011-8-6 10630 Plumas Northern High Sierra Nevada. Plumas National Forest; on top of the serpentine ridge on southest side of Quincy-La Porte Road, 1.4 air km northwest of Pilot Peak. 2015 Comment
  CHSC25499  Eriogonum lobbii L. Ahart 1977-8-2 Plumas Ca. 1 mi w of Pilot Pk., which is ca. 15 mi ne of La Porte. 2000 Comment
  CHSC63465  Eriogonum lobbii Lowell Ahart 1994-7-22 7489 Plumas Open steep areas, south of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. (label said Sierra County also). 1981 Comment
  SEINET10871610  Eriogonum luteolum Mary Susan Taylor 1981-7-26 Taylor 4114 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. On open rocky serpentine cliff, N side of Caribou Rd., 3.7 mi NE of its jct with Hwy 70 near Beldon. 853 Comment
  SD46712  Eriogonum marifolium Robert J. Weatherly 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  UC174722  Eriogonum marifolium A. A. Heller with P. B. Kennedy 1907-7-3 8707 Plumas hills above Red Clover Valley 1676 Comment
  UC635078  Eriogonum marifolium Ethel Wickes July 1925 2892 Plumas Mt. Elwell Comment
  UC723802  Eriogonum marifolium Joseph Andorfer Ewan 1934-7-16 8522 Plumas Mt. Elwell trail above Long Lake 2072 Comment
  CAS-BOT-BC263302  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1973-7-31 50109 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC263314  Eriogonum marifolium var. marifolium Anna Head 1920-7-12 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC34741  Eriogonum marifolium var. marifolium M. S. Taylor 1981-7-6 3975 Plumas On top of Dixie Mt, near the lookout, ca. 5 air mi w of n tip of Frenchman Lake, ca. 13 air mi nw of Chilcoo Metamorphic rock outcrop. 2538 Comment
  CHSC52732  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-BC263296  Eriogonum marifolium var. marifolium Lewis S. Rose 1951-6-28 51055 Plumas Above Eureka Lake n. of Johnsville 2133 Comment
  SEINET11933013  Eriogonum nudum W. Knight, Knight, I. 1983-1 4910 Plumas 4 mi from Chester on road to Drakesbad Comment
  CAS-BOT-BC261365  Eriogonum nudum var. deductum Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC264819  Eriogonum nudum var. deductum John Thomas Howell 1959-9-22 34834 Plumas Wolf Creek 1371 Comment
  CHSC41964  Eriogonum nudum var. nudum Lowell Ahart 1986-7-25 5368 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Bar Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  CHSC53049  Eriogonum nudum var. nudum L. P. Janeway 1989-7-6 3458 Plumas Plumas National Forest Beckwourth Ranger District. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 1.1 mi on rd 23N48. 1645 Comment
  SD211672  Eriogonum nudum var. nudum Barbara Ertter 1988-7-25 7850 Plumas Diamond Mountains, ca. 15 airmiles due south of Susanville, sheep camp on Pierce Creek. 1981 Comment
  LA206877  Eriogonum nudum var. nudum John O'Leary; Marla O'Leary 1974-8-6 328 Plumas near Hwy 70 in Feather River Canyon ( at 14 mi E of Oroville) Comment
  RSA756719  Eriogonum nudum var. nudum Barbara J. Ertter 1988-7-25 7850 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  UC1949199  Eriogonum nudum var. nudum Barbara Ertter 1988-7-25 7850 Plumas W of meadow; Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek Comment
  CHSC53053  Eriogonum strictum var. anserinum L. P. Janeway 1989-6-16 3329 Plumas Plumas National Forest Beckwourth Ranger District. NE-facing slopes of Crocker Mtn overlooking Red Clover Valley. 1828 Comment
  JEPS118578  Eriogonum umbellatum var. furcosum L. P. Janeway 2009-8-13 9922 Plumas Northern High Sierra Nevada. Plumas National Forest; 1.3 km south of the top of Mt Ararat along its extended broad ridgeline. Haskins Valley 7.5' quad. Comment
  CHSC104738  Eriogonum umbellatum var. modocense L. P. Janeway 2009-8-13 9924 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, 330 m west-southwest of the Buckhorn survey monument. 1929 Comment
  CHSC117557  Eriogonum umbellatum var. modocense Lowell Ahart 2016-7-9 21084 Plumas Top and on the east side of Table Mountain, about two miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC60547  Eriogonum umbellatum var. modocense L. P. Janeway 1992-7-8 4249 Plumas 0.15 mi south of Beckwourth-Genesee road, 0.7 mi northwest of Clover Valley Ranch. Plumas National Forest Beckwourth Ranger District Crocker Compartment. 1676 Comment
  CHSC91916  Eriogonum umbellatum var. modocense Lowell Ahart; Josephine Guardino 2005-8-9 12288 Plumas North of Fant Creek, about 50 yards north 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
  JEPS127331  Eriogonum umbellatum var. modocense Lowell Ahart 2016-7-9 21084 Plumas Top and on the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC39992  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-31 5081 Plumas Summit of Kettle Rock Lookout, just s of Taylor Lake ca. 6 air mi ne of Taylorsville. 2383 Comment
  CHSC39995  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-5 4925 Plumas Mt Hough summit, ca. 7 mi nne of Quincy. 2194 Comment
  UC912733  Eriogonum umbellatum var. nevadense Anna Head 1921-7-11 Plumas Grassy Lake Feather River Region, Grassy Lake Comment
  SEINET5331972  Eriogonum umbellatum var. nevadense A. A. Heller, P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley. Comment
  CHSC104741  Eriogonum umbellatum var. polyanthum L. P. Janeway; Melanie Williams 2009-7-28 9880 Plumas Northern High Sierra Nevada. Plumas National Forest; Frenchman Hill, about 60 m northeast of the dirt road to Red Mountain, 560 m south-southwest of the top of Frenchman Hill. 1750 Comment
  CAS-BOT-BC262240  Eriogonum ursinum Anna Head 1920-7-1 s.n. Plumas Near Lake Center Camp, Feather River Region Comment
  CHSC102106  Eriogonum ursinum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16216 Plumas On dry rocky soil, along a drainage from a snow lake, about 100 yards northeast of the 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-BC262246  Eriogonum ursinum John Thomas Howell 1967-6-23 42725 Plumas 4 miles east of Rich Bar, East Branch Feather River 762 Comment
  NY323637  Eriogonum ursinum Mrs. Ames s.n. Plumas Light's Canyon Comment
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake Comment
  RSA184933  Eriogonum vimineum L. S. Rose 1966-7-26 66046 Plumas Injun Jum Camp near Belden Open dry slopes 671 Comment
  UCD101520  Eriogonum vimineum N. Hopkins Date Unknown 132 Plumas Sierra Valley. Comment
  UC567190  Eriophyllum lanatum var. achilleoides C. W. Hanks 1934-8-8 20 Plumas ne of Sierra Valley; Sierraville Quadrangle 1828 Comment
  CDA20148  Eriophyllum lanatum var. croceum B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 1207 Comment
  RSA712970  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1994-7-8 4691 Plumas Northern High Sierra Nevada, Hartman Bar Ridge, Slope N of Road 22N94 on S side of Franklin Hill. 1707 Comment
  SBBG133122  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1968-1 11272 Plumas unknown Comment
  CAS-BOT-BC308262  Eriophyllum lanatum var. integrifolium M. S. Taylor 1981-5-10 3665 Plumas N side of Genesee Valley Road, ca. 4 air mi. W of Genesee 1097 Comment
  CAS-BOT-BC308271  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-15 14614 Plumas On trail to Long Valley Comment
  POM358041  Eriophyllum lanatum var. integrifolium Christopher Davidson 1975-6-7 2740 Plumas 3 miles W on road to Snake Lake, departing NW from Hwy. 89 ca. 2 miles N of Quincy. 1273 Comment
  UC566749  Eriophyllum lanatum var. integrifolium H. L. Mason 1924-6-18 1050 Plumas dry sandy bank between meadow and Feather River; Graeagle Comment
  UC567194  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-14 104 Plumas 1 mi s of Sugarloaf; Sierraville Quadrangle 1524 Comment
  JEPS15972  Eryngium alismifolium Mrs. R. M. Austin 1880-1 Plumas Comment
  CAS-BOT-BC54320  Erysimum capitatum Gladys L. Smith 1976-6-7 4616 Plumas Sierra Nevada. Kern Plateau. Curve of road just after crossing inlet creek of Little Grass Valley Reservation. 1889 Comment
  CHSC32829  Erysimum capitatum var. capitatum W. Michael Foster 1981-4-26 15 Plumas Ca. 50 ft se of confluence of the North Fork of the Feather River and Bucks Creek, ca. 24 mi w of Quincy. 579 Comment
  CHSC41128  Erysimum capitatum var. capitatum J. D. Jokerst 1977-4-4 30 Plumas On w. bank of Chips Creek, 400 m. nw. of North Fork Feather River, ca. 1.5 km. ese. of Belden. 735 Comment
  CAS-BOT-BC55104  Erysimum perenne W. W. Wagner 1919-6-29 294 Plumas Grizzley Ridge. 1981 Comment
  CHSC9725  Erythranthe cardinalis Nancy Mosman 1971-7-11 94 Plumas Along w. side of Hwy 70 ca. 3.2 mi s of Belden. 1025 Comment
  CHSC20739  Erythranthe guttata K. R. Stern 1975-7-24 5877 Plumas E shore of Lake Almanor. Comment
  CHSC36342  Erythranthe lewisii M. S. Taylor; H. Swanson 1982-8-11 4961 Plumas Along 23N08, n side of the A-Tree, saddle at head of Florentine Canyon, ca. 5 air mi sw of Johnsville. 2042 Comment
  CHSC64465  Erythranthe lewisii B. Castro; L. Gehrung 1994-8-4 542 Plumas Ca. 1.5 air mi SSE of Bucks Lake, ca 0.35 mi S of the Oro-Quincy Hwy and 30 ft N of USFS Rd 24N36, above houses along W branch of the N-trending drainage E of Daniel's Ck (named S. fork Haskins Ck on some maps). 1682 Comment
  SEINET14349591  Erythranthe moschata E. K. Balls 1950-8-30 15507 Plumas North Fork Feather River, on Hwy 24, 21 miles from Quincy. Comment
  SEINET14374589  Erythranthe primuloides H. Hamlin s.n. Plumas Sierra Valley. Comment
  CHSC97469  Erythranthe pulsiferae Lowell Ahart; John Dittes 2007-6-16 14107 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA430188  Erythranthe pulsiferae Christopher Davidson 1975-6-7 2733 Plumas 4.6 mi N. of Greenville on Hwy 89. 1238 Comment
  CAS-BOT-BC133261  Erythronium R. H. Boeker 1913-4-23 17 Plumas Plumas National Forest Comment
  CAS-BOT-BC505253  Erythronium purpurascens Alice Eastwood 1927-6-15 14534 Plumas United States forest reserve, on trail to Long Valley Comment
  UCD139648  Erythronium purpurascens Elaine A. Ahrenholz 1962-4-18 21 Plumas 1 mile north of Greenville. Comment
  SEINET10476226  Eschscholzia californica Mary Susan Taylor 1982-7-8 Taylor 4791 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  UC338855  Euphorbia unknown Jul 1875 982 Plumas near Taylorsville; Genesee Valley Comment
  UCD147794  Eurybia integrifolia Allyson Ayalon; Lucie Jerabkova 2012-8-1 147 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC310542  Eurybia integrifolia John Thomas Howell 1960-7-21 35794 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC100035  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  JEPS114521  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC310596  Eurybia radulina Ira L. Wiggins 1948-9-15 12053 Plumas On ridge between Onion Creek and Middle Fork of the Feather River Comment
  CHSC69489  Festuca arundinacea James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2549 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  CAS-BOT-BC278462  Festuca idahoensis M. S. Taylor 1982-6-14 4663 Plumas N side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville 1524 Comment
  UC337652  Festuca idahoensis unknown 4655 Plumas Indian Valley Comment
  CAS-BOT-BC278850  Festuca occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2168 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC278856  Festuca occidentalis Alice Eastwood 1927-6-14 14575 Plumas Forest Lodge near Greenville Comment
  CHSC94133  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  UC1146574  Festuca pratensis Freed W. Hoffman 1946-6-11 1835 Plumas near Mohawk Comment
  JEPS115899  Festuca rubra Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16124 Plumas Edge of a meadow or seep, 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
  UC1024664  Festuca rubra Leo Whitney 1934-8-8 2185 Plumas ca 9 mi nw Portola (Fireman Creek, nw end of Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CHSC88188  Festuca subulata Lowell Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CDA14002  Festuca viridula G. F. Hrusa, T. D. Wilfred 1997-6-26 13919 Plumas Sierra Nevada; Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Common throughout, one of the dominants. Perennial, bunching. Comment
  CAS-BOT-BC63010  Frangula californica subsp. crassifolia John Thomas Howell 1951-8-19 28167 Plumas Rich Bar. 792 Comment
  CAS-BOT-BC55676  Frangula purshiana Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC55681  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Portola quad. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola Comment
  CAS-BOT-BC55688  Frangula purshiana Walter Knight; Irja Knight 1966-6-18 s.n. Plumas Beargrass Glade 1158 Comment
  SEINET11248030  Frangula purshiana A. A. Heller, P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  HSC100832  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Granite Basin, along the Little North Fork Middle Fork Feather River near the Rd. 18 bridge. 421 Comment
  HSC99899  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12046 Plumas Along Caribou Road. 718 Comment
  JEPS114192  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9195 Plumas Northern High Sierra Nevada. Granite Basin, along an unnamed northeastern branch of Little North Fork MIddle Fork Feather River,n ear its head, near the road 23N95Y crossing. Comment
  HSC99898  Frangula purshiana subsp. ultramafica J. P. Smith, & J. O. Sawyer 2004-9-13 12057 Plumas Quincy-Oroville Hwy. Soapstone Hill. 1646 Comment
  CHSC33819  Frangula rubra M. S. Taylor; M. Foster 1981-6-2 3819 Plumas Dry open serpentine soils with outcrops, N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  UC650347  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley Creek Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC55712  Frangula rubra subsp. obtusissima E. K. Balls; P. C. Everett 1952-10-9 18132 Plumas 2 mi. e. of south tip of Lake Almanor, Hwy 89, between Greenville and Almanor 1158 Comment
  CHSC43797  Fritillaria atropurpurea Vernon Oswald 1984-6-25 1326 Plumas La Porte-Quincy Rd., ca. 10.3 mi n-e of La Porte. 1889 Comment
  CHSC57324  Fritillaria atropurpurea L. P. Janeway 1991-5-28 3967 Plumas South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). Plumas National Forest Beckwourth Ranger District Red Clover Compartment. 1719 Comment
  CHSC60507  Fritillaria atropurpurea L. P. Janeway 1992-5-14 4180 Plumas North side of Dotta Neck in Dotta Canyon along road on northeast side of the canyon. Plumas National Forest Beckwourth Ranger District Dotta Compartment. 1709 Comment
  CAS-BOT-BC508207  Fritillaria atropurpurea Dudley 1923-5-10 s. n. Plumas Lake Gill, Quincy Comment
  CAS-BOT-BC508208  Fritillaria atropurpurea Alice Eastwood 1918-5-25 6992 Plumas Portola Comment
  RSA113184  Fritillaria atropurpurea E. K. Balls, Lee W. Lenz 1955-5-14 20715 Plumas 3.1 miles north of Greenville along Highway 89 to Lake Almanor 1159 Comment
  CHSC23315  Fritillaria recurva Gary Wallace; L. DeBuhr 1972-5-21 1059 Plumas Ca. 1.5 mi east of junction of Hwys. 89 and 70 north of Graeagle. Comment
  CHSC58198  Galium aparine Vernon H. Oswald; Lowell Ahart 1992-6-22 5009 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  CHSC33617  Galium bifolium M. S. Taylor 1981-6-17 3926 A Plumas 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
  OBI76985  Galium bifolium Anthony Baniaga 2011-7-26 472 Plumas Lassen Natl Forest. Along F.S. 10, near jctn with "YA" spur. Red Cinder Quad T29N R7E sec 3 SE of SE 1787 Comment
  SEINET10869768  Galium bifolium Mary Susan Taylor 1982-5-17 Taylor 4457 Plumas T22N R14E ne/nw sec 8. Portola quad. Rocky Sagebrush Scrub with seep, s side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 6000 ft. 1829 Comment
  CAS-BOT-BC124075  Galium bolanderi Mrs. R. M. Austin 1878-1-1 s.n. Plumas Big Meadows Comment
  RSA523639  Galium bolanderi W. L. Jepson 1939-7-31 19290 Plumas W of Meadow Valley 1524 Comment
  CHSC82994  Galium sparsiflorum subsp. glabrius L. P. Janeway; B. Castro 2001-7-1 7245 A Plumas Northern High Sierra Nevada. About 1.3 km east of La Porte; along Road 21N58 0.5 km from Road 21N13X (512); side drainage into Wisconsin Ravine (thence into Slate Creek). Road cut bank. 1487 Comment
  UCR87994  Galium triflorum Walter Knight, J. T. Howell, I. Knight 1966-7-26 1570 Plumas Northern Sierra Nevada Mtns., Butterfly Botanical Area and vicinity; Fern Glen 1113 Comment
  SEINET10500648  Galium triflorum Mary Susan Taylor 1981-8-5 Taylor 4163 Plumas 5600 ft. T28N R12E nw 1/4 nw 1/4 sec 32. Kettle Rock quad. At end of rd 28N05 where it's washed out by Pierce Creek, 2.1 mi N of 28N03, ca. 3 air mi W of Antelope Lake ca. 13 air mi NE of Taylorsville. Gra- nitic soils in Mixed Conferous Forest. 1707 Comment
  CAS-BOT-BC144400  Garrya fremontii Mary Strong Clemens 1919-1-1 s.n. Plumas Greenville Comment
  UC338309  Garrya fremontii unknown 1889-5-25 Plumas Mohawk Valley Comment
  UCD121165  Garrya fremontii M. Vincent 1964-4-10 554 Plumas Hwy. 1 mile southwest of Virgilia. 12 Comment
  CHSC117626  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC81387  Gayophytum diffusum subsp. diffusum Lowell Ahart 2001-9-18 9292 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  RSA123010  Gayophytum diffusum subsp. diffusum E. Sawyer 1935-6-27 167 Plumas Charlies Valley. 1524 Comment
  CHSC56862  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1991-8-3 4117 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  JEPS104606  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2003-8-8 10487 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  CHSC113854  Gayophytum heterozygum Lowell Ahart 2014-9-9 19848 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1074 Comment
  UC1122564  Gayophytum heterozygum G. T. Nordstrom 1934-7-10 214 Plumas 2 mi sw Gravel Range; Plumas National Forest, Bidwell Bar Quadrangle Comment
  POM249897  Gayophytum heterozygum Joseph A. Ewan 1934-7-18 8576 Plumas Camp Caldwell at Dentens, Mohawk Valley 1616 Comment
  SD130496  Gayophytum heterozygum Clarence R. Quick 1963-7-24 Plumas Cut over forest on shoulder of east-west ridge 1.5 miles east of Wheeler Peak. Comment
  JEPS115786  Gayophytum humile Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15877 Plumas About 1600 feet southwest of Lake Almanor Dam 1386 Comment
  SEINET13709405  Gayophytum racemosum Lowell William Ahart, Lowell William Ahart 2001-1 9291 Plumas Cow Creek, Lake Davis (T24N, R13E, sec 29, SE 1/4) 5780 Ft. 1762 Comment
  POM271771A  Gayophytum ramosissimum Lyman Benson 1932-7-29 3994 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC97793  Gentiana calycosa L. P. Janeway 2007-8-12 9167 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. 1652 Comment
  JEPS28493  Geum macrophyllum George W. Gillett 1957-7-17 806 Plumas upper Willow Lake Meadow, near the east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  JEPS102739  Gilia capillaris Lowell Ahart 2001-7-17 8906 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
  JEPS103553  Gilia capillaris Lowell Ahart 2002-7-18 9867 Plumas On the S side of a small upper branch of Fall R., ca 100 yards N of Lumpkin Ridge Rd, ca 1 mile (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  CAS-BOT-BC282702  Glyceria elata John Thomas Howell; Walter Knight; Irja Knight 1968-6-11 2381 Plumas Butterfly Valley, Sierra Nevada 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-BC307379  Gnaphalium palustre John Thomas Howell 1961-9-22 36797 Plumas Wolf Creek, Greenville, Sierra Nevada 1088 Comment
  CHSC55665  Gnaphalium palustre K. R. Stern 1985-6-25 8315 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC94847  Gnaphalium palustre Lowell Ahart 2006-10-8 13405 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
  CHSC95006  Gnaphalium palustre Lowell Ahart 2006-10-23 13475 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
  RSA724941  Gnaphalium palustre L. Ahart 2006-10-8 13405 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 1.25 miles southwest of Belden. 715 Comment
  SBBG104016  Gnaphalium palustre W. Knight, I. Knight 1966-6-19 1359 Plumas near pond reservoir, Butterfly Valley 1097 Comment
  SEINET10474670  Gnaphalium palustre Mary Susan Taylor 1980-9-27 Taylor 3350 Plumas T23N R7E each central border sec 7, Bucks Lake quad. In mud along Grizzly Creek, S side of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy. With W. Dakan & T. Griggs. 1524 Comment
  UCD132405  Gnaphalium palustre E. K. Balls 1950-9-9 15752 Plumas west of Lakes Center Public Campground, south end of small lake. 2042 Comment
  CHSC33741  Goodyera oblongifolia M. S. Taylor; M. Foster 1981-7-14 4009 A Plumas 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. 1645 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
  SEINET10470041  Goodyera oblongifolia Mary Susan Taylor 1981-7-21 Taylor 4080 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  UC1025091  Gratiola ebracteata Leo Whitney 1934-8-8 1707 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place, Big Grizzley Valley, Plumas National Forest); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CAS-BOT-BC304929  Grindelia hirsutula John Thomas Howell 1959-9-21 34826 Plumas Greenville 1088 Comment
  CHSC75469  Hackelia amethystina G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3251 Plumas 2.5 miles southeast of Mt. Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  RSA8555  Hackelia californica Elmer I. Applegate 1929-6-22 5820 Plumas Near Lee s Camp, Warner Valley, Mt. Lassen region. Comment
  CHSC88007  Hackelia nervosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11158 Plumas 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-BC508339  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville Comment
  CAS-BOT-BC508341  Hastingsia alba Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1657 Plumas Sweetwater Meadow, Buterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC306697  Helenium bigelovii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1536 Plumas Butterfly Botanical Area and vicinity. Area north of Pond Reservoir 1097 Comment
  CAS-BOT-BC306698  Helenium bigelovii Walter Knight; Irja Knight 1966-6-18 1291 Plumas Butterfly Valley 1036 Comment
  RSA0089036  Helenium bigelovii Bonnie C. Templeton 1968-6-9 11257 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  CAS-BOT-BC306691  Helenium bigelovii Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine 1700 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
  CDA17231  Helianthella californica var. nevadensis G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16334 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC314802  Helianthella californica var. nevadensis John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1651 Plumas Adjacent to Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC34917  Helianthus annuus M. S. Taylor; M. Foster 1981-8-13 4172 Plumas S end of Greenville, w side of Hwy 89, roadside. 1158 Comment
  CAS-BOT-BC305358  Helianthus annuus M. S. Taylor; M. Foster 1981-8-13 4172 Plumas Plumas NF/Greenville Rd. Greenville, s end, w side of Hwy 89 1158 Comment
  CHSC53190  Hemizonella minima L. P. Janeway 1989-6-30 3424 Plumas Plumas National Forest. Slope above rd 24N45Y 0.2 mi E of Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth; across from the Crocker Station. 1767 Comment
  CHSC57417  Hemizonella minima L. P. Janeway; Garrett Gibson 1991-6-13 4004 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CAS-BOT-BC313429  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  CDA6574  Hemizonia congesta subsp. clevelandii J. T. Howell 1961-9-23 36825 Plumas Sierra Nevada; Indian Valley. East of Crescent Mills on Stampfli Lane Comment
  CAS-BOT-BC55290  Hesperis matronalis F. H. Surber 1972-6-7 s.n. Plumas Dump, approximately 1 mile northwest of Greenville. Comment
  UCD114967  Hesperis matronalis John Thomas Howell; Gordon H. True 1967-6-11 42568 A Plumas Meadow at Quincy. 1036 Comment
  UCD97469  Hesperochiron californicus Albert Grigarick 2010-5-11 249 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.9 mi. 1488 Comment
  POM75581  Hesperochiron pumilus Mrs. R. M. Austin 1879-04 44 Plumas Big Meadows. Comment
  CHSC75511  Hesperolinon micranthum G. F. Hrusa 1997-6-26 13889 Plumas Sierra Nevada. Approx. 1/4 mi. N from USFS 23N22D terminus. 1400 Comment
  CDA25401  Heuchera micrantha D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .268 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CAS-BOT-BC424168  Heuchera micrantha var. erubescens Walter Knight; Irja Knight 1966-9-12 1750 Plumas Mouth of Butterfly Creek Comment
  RSA795001  Heuchera micrantha var. erubescens L. Ahart, John Dittes 2009-7-15 16101 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  CAS-BOT-BC424172  Heuchera micrantha var. erubescens Ella Dales Cantelow 1941-5-21 3517 Plumas Meadow Valley about 6 mi W of Quincy 1173 Comment
  CAS-BOT-BC425156  Heuchera rubescens M. S. Taylor 1982-8-5 4933 Plumas Mt Hough summit on cliff above Crystal Lake, ca. 7 mi nne of Quincy. 2203 Comment
  UC175770  Heuchera rubescens var. glandulosa H. M. Hall 1912-7-11 9397 Plumas Mt. Elmell; Sierra Nevada Mountains 2377 Comment
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Jan 23 2014
  JEPS36661  Hieracium albiflorum W. L. Jepson 1939-7-29 19275 Plumas Spring Hill Trail Meadow Valley 1219 Comment
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Mar 30 2016
  UC1219878  Hieracium albiflorum Wallace R. Ernst 1957-8-9 205 Plumas trailside near Devils Kitchen; Mt. Lassen Volcanic National Park Comment
  UCD133112  Hieracium bolanderi Flora C. Hayes 1932-7-25 s.n. Plumas exact location unknown. Comment
  CHSC34939  Hieracium scouleri M. S. Taylor 1981-7-14 4016 Plumas Saddle at head of Bullfrog Ravine, off rd 26N18, ca. 3 air mi nw of Indian Falls. 1615 Comment
  CDA13928  Hieracium scouleri var. nudicaule G. F. Hrusa, T. D. Wilfred 1997-5-3 13853 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
  SEINET10457158  Hippuris vulgaris Mary Susan Taylor 1982-8-27 Taylor 5069 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  JEPS94287  Hirschfeldia incana Lowell Ahart 1997-9-11 7904 Plumas about 4 1/2 air mi ne of Belden (about 1/2 mi s of Mosquito Creek, on w side of the North Fork of the Feather River, on e edge of Caribou Road); North Fork Feather River, Caribou Road 792 Comment
  UC1128014  Holodiscus discolor F. W. Embree 1934-6-21 116 Plumas Penstock above Storie (Plumas National Forest); , Penstock 1478 Comment
  JEPS113439  Holodiscus microphyllus var. microphyllus Lowell Ahart, John Dittes 2007-8-9 14455 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis 2416 Comment
  CAS-BOT-BC284647  Hordeum brachyantherum subsp. brachyantherum Mary S. Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CAS-BOT-BC284648  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1951-6-27 27571 Plumas Johnsville 1584 Comment
  CAS-BOT-BC284731  Hordeum jubatum Fred Sommers; Greg Sommers 1976-6-24 131 Plumas Sierra Valley Marsh, along Marble Lane 1487 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
  RSA88555  Horkelia fusca subsp. parviflora J. T. Howell 1951-6-27 27594 Plumas McRae Meadow. 1982 Comment
  CAS-BOT-BC537870  Horkelia fusca var. parviflora Anna Head 1921-7-17 s. n. Plumas Feather River Region: Gray Eagle Meadows 1828 Comment
  JEPS108716  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the southwest edge of a dry open basalt flat 1527 Comment
  CHSC113588  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SBBG21859  Hosackia oblongifolia var. oblongifolia D. Myrick 1964-7-21 902 Plumas Drakesbad 1737 Comment
  UC1069093  Hydrophyllum capitatum var. alpinum E. Sawyer 1935-5-22 28 Plumas 1.25 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quad. 1706 Comment
  POM220761  Hydrophyllum capitatum var. alpinum M. Canby 1929-5-12 135 Plumas Portola. Comment
  RSA0110962  Hydrophyllum occidentale M. Canby 1929-5-12 134 Plumas 5 miles west of Blairsden. Comment
  RSA537466  Hydrophyllum occidentale Barbara Ertter, Gary Schoolcraft 1989-7-3 8671 Plumas Diamond Mt. peak ca. 7 air miles S of Susanville 2287 Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  SEINET10472171  Hypericum anagalloides Lowell Ahart 1985-7-11 Ahart 5128 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
  CHSC33886  Hypericum formosum subsp. scouleri M. S. Taylor 1981-7-21 4085 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  CDA43022  Hypericum formosum var. scouleri L. Ahart 2009-7-22 16137 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. Comment
  CAS-BOT-BC88638  Idahoa scapigera M. S. Taylor 1982-5-17 4462 Plumas North side of 22N55, near its junction with 22N54 and 22N88, ca. 2 mile southeast of Portola. 1706 Comment
  SD46433  Ipomopsis aggregata Robert J. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek; Middle Fork Feather River. 1768 Comment
  UC1123698  Ipomopsis aggregata G. T. Nordstrom 1934-8-8 251 Plumas n Sierra Valley Foothills Sierra quad 1554 Comment
  JEPS798  Ipomopsis aggregata W. L. Jepson 1927-6-23 12309 Plumas Camp Kelley Warren Creek 1584 Comment
  CAS-BOT-BC135734  Iris hartwegii Mrs. H. C. Cantelow 1941-5-22 s.n. Plumas 5 1/2 miles north of Quincy, Hy 89 Comment
  CAS-BOT-BC135743  Iris hartwegii M. S. Taylor 1982-5-27 4543 A Plumas Under pines on e side of Dixie Canyon rd (204), 0.5 mi n of its jct with Hwy 89 at Maccasin. 1158 Comment
  CAS-BOT-BC123370  Iris tenuissima var. purdyiformis E. P. Chace 1934-4-11 s.n. Plumas Camp Rodgers Comment
  CHSC55624  Isolepis setacea L. P. Janeway 1987-6-20 2284 Plumas Seepy area near road in ravine on north side of South Branch Middle Fork Feather River, below Whiskey Hill. 1158 Comment
  RSA122949  Ivesia sericoleuca E. Sawyer 1935-6-28 244 Plumas Sierraville. 1524 Comment
  UC1561778  Ivesia webberi C. Witham and Kareofelas 1990-5-24 146 Plumas 1 mi due e intersection of Hwy. 49 and Dyson Rd. (e side of Sierra Valley); Sierra Valley 1524 Comment
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Apr 8 2006
  SEINET3440051 Image available Juncoides campestre Marcus E. Jones 1897-7-3 Plumas Pratville 1372 Comment
  CHSC80299  Juncus bufonius var. bufonius L. P. Janeway 1996-6-5 5006 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.9 mi west of the road to Calpine. 1487 Comment
  CHSC45603  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas About 1 mile north of Humboldt Summit. 1798 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
  CHSC108107  Juncus exiguus Lowell Ahart 2011-9-17 17667 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  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
  CHSC23376  Juncus hemiendytus var. hemiendytus Lowell Ahart 1975-7-16 891 Plumas Section 13, eight miles north of La Porte. Found in a meadow, two miles north-east of Little Grass Valley Res. 1828 Comment
  UC1495735  Juncus hemiendytus var. hemiendytus Barbara Ertter and Jeffrey L. Strachan 1980-7-31 3884 Plumas w end Dixie Valley (just e of Beckwourth-Milford Rd); Plumas National Forest, Dixie Valley 1706 Comment
  SJSU14270  Juncus hemiendytus var. hemiendytus N. A. Hopkins 1989-6-7 1511 Plumas Crocker Meadow on W side Beckwourth-Genesee Rd c. 4 mi N of Beckwourth 1524 Comment
  CDA32027  Juncus howellii L. Ahart, J. Dittes, J. Guardino 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam Comment
  UCD169799  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
  CAS-BOT-BC227796  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas About 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte 1597 Comment
  JEPS114938  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas Meadow (swamp, bog) about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte 1597 Comment
  UCD108041  Juncus macrandrus Tim Kuhn 2006-7-11 77 Plumas on Plumas NF forest service road 107407. 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
  CHSC60618  Juncus mertensianus L. P. Janeway 1984-9-1 1102 Plumas Lakes Basin; north-facing slope above Round Lake. 2133 Comment
  UC1133600  Juncus mexicanus E. Sawyer 1935-6-11 96 Plumas 5.25 mi w Summit; Sierraville Quad. 1493 Comment
  JEPS95626  Juncus nevadensis Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  UCD108043  Juncus nevadensis Tim Kuhn 2006-7-11 78 Plumas on Plumas NF forest service road 107407. Comment
  JEPS107935  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-19 12399 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  JEPS114941  Juncus orthophyllus Lowell Ahart 2008-9-10 15383 Plumas On the north side 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
  CHSC116386  Juncus orthophyllus Sara M. Taylor; Scott Batiuk, Kendra Sikes 2012-7-17 44 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  JEPS113815  Juncus parryi Lowell Ahart, John Dittes 2007-8-9 14439 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
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CDA13854  Juncus saximontanus G. F. Hrusa, T. D. Wilfred 1996-8-2 13459 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  JEPS115878  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -C Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS115978  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -A Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC85334  Juniperus occidentalis Emily McPherson 1976-11-7 76- 32 -2 Plumas Sierra Nevada - 5 miles north of Beckwourth, Portola Quadrangle 2055 Comment
  CHSC21203  Kalmia polifolia subsp. microphylla F. T. Griggs; A. Pass 1975-7-17 203 Plumas Buck's Lake. Comment
  CHSC54395  Kalmia polifolia subsp. microphylla Vernon H. Oswald 1991-6-17 4772 Plumas Lassen Volcanic National Park. Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 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
  CHSC28050  Keckiella lemmonii J. D. Jokerst 1978-6-21 143 Plumas 200 yds sw of intersection of Hwys 70 and 89, openings in Yellow Pine Forest. Comment
  CHSC59144  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte. 1706 Comment
  SEINET11262216  Keckiella lemmonii Robert L. Johnson, Mikel R. Stevens 2015-7-11 3956 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls.; 0 Comment
  JEPS12463  Kelloggia galioides W. L. Jepson 1939-8-16 19452 Plumas Bucks Valley 1584 Comment
  POM161743  Kelloggia galioides R. C. Bacigalupi 1927-7-11 1698 Plumas Gold Lake region. 1890 Comment
  RSA59348  Kelloggia galioides E. K. Balls 1950-9-2 15625 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  CAS-BOT-BC273602  Koeleria pyramidata John Thomas Howell 1962-6-18 37779 Plumas Sierra Valley, near Beckwourth 1487 Comment
  CAS-BOT-BC340354  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  CHSC102657  Kyhosia bolanderi Lowell Ahart; John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  JEPS88488  Lactuca canadensis Vernon H. Oswald and Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., at wet meadowy drainage, sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor); Dyer Mtn. 1463 Comment
  SBBG119862  Lagophylla ramosissima L. Ahart, J. Dittes 2003-8-8 10483 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  HSC14211  Lamium amplexicaule R. P. Maynard, Jr. 1963-5-4 38 Plumas 7 mi. S of Lake Almanor on Hwy. 89 Comment
  PASA1969  Lappula californica Margaret Stason 1932-6-22 Plumas Lake Almanor Comment
  UC176281  Lathyrus lanszwertii var. aridus A. A. Heller 1913-6-13 10851 Plumas Near Quincy Comment
  CAS-BOT-BC205060  Lathyrus sulphureus Alice Eastwood 1927-6-11 14458 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CAS-BOT-BC205066  Lathyrus sulphureus Gladys L. Smith 1976-6-7 4558 Plumas Rte. 70, Spring Garden Sta. 6 miles east of Quincy 1219 Comment
  OBI13236  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca 3 mi W of Keddie 1219 Comment
  SEINET11062172 Image available Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  UC1069723  Layia glandulosa E. Sawyer 1935-6-6 75 Plumas 4 3/4 mi sse of Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC88776  Lepidium appelianum J. Budaj 1962-7-11 s.n. Plumas Highway 40, 0.25 mile west of Vinton. Comment
  CAS-BOT-BC88837  Lepidium campestre John Thomas Howell 1955-7-18 30726 Plumas Sierra Nevada. Mohawk. 1371 Comment
  JEPS106016  Lepidium campestre Lowell Ahart, Josephine Guardino 2004-5-24 10949 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  RSA531157  Lepidium campestre Rockwell 1925-07 s.n. Plumas Beckwourth Comment
  UC1123925  Leptodactylon pungens A. Lewis 1934-6-12 468 Plumas 4 1/2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar, nw of Lexington Hill Comment
  SEINET14162208  Leptosiphon ciliatus W. Harnach, N. Harnach 1990-6-19 403 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1585 Comment
  RSA164301  Leptosiphon ciliatus Clare B. Hardham 1961-6-17 7510 Plumas South of Susanville 1677 Comment
  SD149120  Leptosiphon filipes John Thomas Howell 1967-6-23 42720 Plumas Canyon of the East branch of Feather River, 2.0 miles east of Twain. Comment
  CHSC97598  Leptosiphon harknessii Lowell Ahart; John Dittes 2007-6-16 14126 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
  SEINET3840878  Leptosiphon harknessii M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe 1982-6-17 3836 Plumas Frenchman Lake, Crystal fishing access, marshy arm of the lake at the paking lot, USGS Quadrangle: Frenchman Lake 7.5 1710 Comment
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  SD7480  Leptosiphon pygmaeus subsp. continentalis Mrs. R. M. Austin 1883-1 Plumas Big Meeadows Comment
  CAS-BOT-BC508373  Leucocrinum montanum W. Harnach; N. Harnach 1989-4-16 029 Plumas 1/2 mile west of RR crossing on A-24, Roberti Ranch, Sierra Valley 1488 Comment
  RSA88431  Leucophysalis nana J. T. Howell 1951-6-27 27615 Plumas Jamison Creek 1829 Comment
  RSA121944  Leucothoe davisiae D. Axelrod 1934-6-4 12 Plumas American House. 1494 Comment
  JEPS105426  Lewisia cantelovii Dean W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Hwy 70 at Arch Rock Tunnel (about 25 air mi NE of Oroville) about 1 mi E of the Butte Co. line; Plumas National Forest; Sierra Nevada 563 Comment
  CAS-BOT-BC444170  Lewisia nevadensis Mrs. H. C. Cantelow 1939-5-19 4207 Plumas W. of Bucks Lake 10 1/2 mi. Comment
  CAS-BOT-BC444176  Lewisia nevadensis Anna Head 1921-6-25 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC444183  Lewisia nevadensis Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek and Johnsville 2286 Comment
  SEINET5336486  Lewisia nevadensis M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge, above Johnsville. 2271 Comment
  SJSU4639  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 B Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC130563  Lilium humboldtii Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas La Porte, Quincy Grade Comment
  UC688884  Lilium kelleyanum Clarence R. Quick 1934-7-4 1341 Plumas w of Meadow Valley and Quincy (Headwaters of Clear Creek, on e shoulder of Spanish Peak); Plumas National Forest, Spanish Peak, Clear Creek Comment
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Dec 13 2006
  CHSC37689  Lilium pardalinum subsp. shastense M. S. Taylor 1982-8-4 4921 Plumas On Taylor Creek, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1981 Comment
  RSA59404  Lilium parvum E. K. Balls 1950-9-8 15718 Plumas Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC133080  Lilium washingtonianum subsp. washingtonianum Walter Knight; Irja Knight 1966-6-18 1285 Plumas Butterfly Valley 1143 Comment
  JEPS85859  Limosella acaulis Barbara Ertter 1988-10-21 8002 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor 1341 Comment
  UC1101425  Limosella acaulis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1352 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  CHSC40653  Limosella aquatica Lowell Ahart 1985-9-26 5171 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
  CHSC97564  Limosella aquatica Lowell Ahart; John Dittes 2007-6-17 14177 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
  SEINET10496781  Linanthus bakeri Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3823 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  SEINET10496784  Linanthus bakeri Mary Susan Taylor 1982-5-4 Taylor 4402 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
  UC908282  Linanthus ciliatus Herbert L. Mason 1924-6-20 1082 Plumas between Gold Lake and Bear Lake (Graeagle Camp) Comment
  PASA754  Linanthus harknessii Margaret Stason 1932-6-22 Plumas Camp ground lake Almanor Comment
  CHSC43340  Linnaea borealis var. longiflora Lowell Ahart 1975-7-2 839 Plumas About 7 miles north of the Sly Creek Dam. 914 Comment
  CDA18665  Linum lewisii var. lewisii G. D. Barbe, T. C. Fuller 1982-6-15 3714 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CAS-BOT-BC111971  Lipocarpha micrantha Clarence Roy Quick 1952-9-5 52 -296 Plumas Wet place NW of Almanor. Comment
  JEPS101185  Listera convallarioides Dean W. Taylor 2000-9-14 17591 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  JEPS116105  Listera convallarioides Lowell Ahart, John Dittes 2009-7-28 16196 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  JEPS103325  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir Dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CAS-BOT-BC435471  Lithophragma glabrum Mrs. Austin s.n. Plumas Unspecified Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC428432  Lithophragma tenellum Alice Eastwood 1927-6-1 s.n. Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  RSA88609  Lithophragma tenellum John T. Howell 1951-6-28 27691 Plumas Eureka Peak 1982 Comment
  CHSC80166  Lithospermum ruderale L. P. Janeway 1996-6-5 4989 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
  SEINET10870097  Lithospermum ruderale Mary Susan Taylor 1982-5-19 Taylor 4486 Plumas T23N R14E ne/nw sec 27. Portola quad. Sandy sagebrush scrub, Ramelli Ranch, ca. 1 mi w of Beckwourth. 4800 ft. 1463 Comment
  UC1509658  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas ca. 2 mi. s.e. Portola (n. side of 22N55 near its junction with 22N54 & 27N88); Portola Quad. 1706 Comment
  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
  CDA17293  Lomatium nudicaule G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16321 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
  POM186424  Lomatium nudicaule D. D. Keck 1932-7-5 1711 Plumas Quincy, at mouth of water supply company to the left hand just south of town 1067 Comment
  CHSC108466  Lonicera conjugialis Lowell Ahart 2011-9-17 17625 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CAS-BOT-BC200953  Lotus Gladys L. Smith 1976-6-7 4550 Plumas Rte. 70, Spring Garden Station 6 miles east of Quincy 1219 Comment
  SEINET12163677  Lotus nevadensis W. Knight, Kinght, I. 1983-1 4922 Plumas 6miN of Chester on rd to Drakesbad on North Fork of Feather R 1463 Comment
  RSA104132  Lotus oblongifolius var. nevadensis T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  RSA755326  Lotus oblongifolius var. oblongifolius L. Ahart, John Dittes 2009-7-13 16046 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC726030  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  UC862209  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  RSA666088  Lunaria annua Rudolf Schmid 2002-4-12 2002 -2 Plumas Belden (Hwy 70). 718 Comment
  UC865571  Lupinus A. A. Heller 1915-7-7 12051 Plumas near the summit Soapstone Ridge (12 mi w of Bucks); near summit Soapstone ridge 1676 Comment
  JEPS125949  Lupinus adsurgens var. adsurgens D. W. Taylor 2000-7-30 17534 Plumas Genesee Valley, road to Antelope Lake Reservoir (Forest Road 172) ca 3 miles E of Genesee Comment
  UC942948  Lupinus albicaulis Lewis S. Rose 1951-6-28 51048 Plumas N of Johnsville ( above Eureka Lake) 2072 Comment
  RSA32781  Lupinus albicaulis subsp. wolfianus A. A. Heller 1938-7-14 15161 Plumas Near Gray's Flat on the Feather River Highway. 869 Comment
  CHSC21529  Lupinus andersonii D. Brink; L. Mayer 1975-7-8 Plumas Buck's Lake Forest Service Survey. Comment
  UC384657  Lupinus arbustus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  RSA30591  Lupinus arbustus subsp. silvicola J. T. Howell 1951-6-28 27699 Plumas Eureka Peak. 2134 Comment
  CHSC52426  Lupinus argenteus var. argenteus L. P. Janeway 1990-10-10 3755 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  CAS-BOT-BC208800  Lupinus argenteus var. heteranthus W. W. Eggleston 1927-7-15 21518 Plumas Nearly to fork road, Plumas Forest Comment
  CAS-BOT-BC208806  Lupinus argenteus var. heteranthus Alice Eastwood 1918-5-25 7061 Plumas Portola Comment
  CHSC60091  Lupinus argenteus var. palmeri L. P. Janeway; Garrett Gibson 1991-7-1 4065 Plumas Plumas National Forest. Yellow Pine Forest along east side of Lake Davis, ca 2 1/4 mi north of the Grizzly Valley Dam. 1783 Comment
  SEINET10452630  Lupinus breweri Mary Susan Taylor 1982-6-23 Taylor 4720 Plumas T23N R10E se/sw sec 11. Blue Nose Mt quad. Flat ridge running n off 23N43Y, at loop in rd, 1.5 mi w of its jct with Peoria Cr Rd (23N10), ca. 6 air mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET10488593  Lupinus breweri Mary Susan Taylor 1982-4-23 Taylor 4720 Plumas T23n r10e se1/4sw1/4 sec 11. Blue nose mt quad. Corolla blue; prostrate Mat-forming. Flat ridge running n off 23n43y, at loop in road, 1.5 mi. W of Its jct with peoria creek rd (23n10), ca. 6 Air mi. Sw of sloat. With Triteleia montana, apocynum pumilum, penstemon. 1402 Comment
  CHSC106216  Lupinus breweri var. breweri Arthur C. Barrett 1915-7-13 25 Plumas Plumas National Forest. Lone Rock Valley. 1676 Comment
  CHSC60093  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Plumas National Forest. Ca 1/4 mi N of Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  CAS-BOT-BC196673  Lupinus breweri var. breweri Lloyd W. Swift 1931-6-1 55 Plumas Plumas National Forest. Wemple Meadows 1828 Comment
  RSA29589  Lupinus confertus Joseph A. Ewan 1934-7-8 8583 Plumas Camp Caldwell, Dentens, Mohawk Valley. 1616 Comment
  SEINET10870976  Lupinus confertus Charles Piper Smith 1921-7-16 Smith 3433 Plumas Taylorsville - lower indian creek bridge. Comment
  CAS-BOT-BC215361  Lupinus dalesiae M. S. Taylor 1982-6-16 4688 Plumas W side of 24N13, 0.5 mile S of its junction with Quincy-LaPorte Road, ca. 4 air miles SE of Quincy 1645 Comment
  CAS-BOT-BC215367  Lupinus dalesiae M. S. Taylor 1982-7-12 4810 Plumas Headwaters of Chirs Creek, ca. 6 miles NW of Mohawk 2011 Comment
  CAS-BOT-BC215372  Lupinus dalesiae M. S. Taylor 1982-6-23 4713 Plumas S side of Peoria Creek Road (23N10), 1.5 miles W of its junction with 23N50Y, ca. 3 air miles SW of Sloat 1402 Comment
  CAS-BOT-BC8436  Lupinus dalesiae Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles E of Meadow Valley Inn near Quincy Comment
  CHSC35902  Lupinus dalesiae M. S. Taylor 1982-5-26 4539 Plumas W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd (23N22), ca. 4 air mi sw of Spring Garden. 1249 Comment
  CHSC35905  Lupinus dalesiae M. S. Taylor 1982-6-23 4719 Plumas S side of 23N43Y, 2.4 mi w of its jct with Peoria Creek Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Cloat. 1402 Comment
  CHSC39591  Lupinus dalesiae Lowell Ahart 1983-7-14 4193 Plumas Growing on a bank along the South Fork of the Feather River, south of the Feather Fork Mine, about 1 1/2 miles north-east of Little Grass Valley Res., about 5 1/2 miles north of La Porte. 1750 Comment
  RSA104638  Lupinus dalesiae Joseph Clemens 1920-6-3 s.n. Plumas Greenville Comment
  UC1502137  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas s side of Poplar Creek Rd (23N08) ca 1 mi s Sloat (0.1 mi e of bridge); Johnsville Quad., s of Sloat 1280 Comment
  RSA0003389  Lupinus dalesiae Ella Dales Cantelow 1940-5-12 3862 Plumas 2.4 mi E of Meadow Valley Inn near Quincy. Comment
  SEINET10452038  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4685 A Plumas 5400 ft. T23N R10E ne/nw and nw/nw sec 8. Quincy quad. Both sides of Rd 23N13, 1.0 mi from its jct with Willow Creek Rd (23N90), ca. 4 air mi se of Quincy. 1646 Comment
  SEINET10452066  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4615 Plumas T24N R8E n/nw sec 34. Bucks Lake NE quad. W side of Schneider Creek Rd (24N16), 1.2/1.3 mi s of its jct with rd to UC Forestry Camp, l.6/l.7 mi s of Bucks Lake Rd, 2 mi s of Meadow Valley. Comment
  SEINET10940042  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4555 Plumas T24N R9E nw/nw sec 18. Bucks Lake NE quad. S side of Bucks Lake Rd, 4.5 mi sw of its jct with Hwy 70 in Quincy. 3600 ft. 1097 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
  SEINET10450572  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  SEINET10973162  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-7-12 Taylor 4824 Plumas T22N R11E sw/se sec 27. Sierra City NW quad. At jct of small creek to Jamison Cr, on n side of Rd 507, just w of Plumas-Eureka State Park boundary, 2.0 mi sw of Johnsville. 5800 ft. 1768 Comment
  CHSC111246  Lupinus latifolius var. columbianus B. Castro; L. Janeway 2008-9-13 1756 Plumas Northern High Sierra Nevada. Near USFS Rd23N73Y 2.1 road mi N of Oroville-Quincy Hwy. and Grizzly Summit, and 1 air mi NNW of Grizzly Summit. 1648 Comment
  UC174572  Lupinus lepidus var. confertus A. A. Heller and P. B. Kennedy 1907-7-15 8844 Plumas near mouth of Little Grizzly Creek below Genessee; near mouth of Little Grizzly Creek Comment
  JEPS103585  Lupinus lepidus var. lobbii Lowell Ahart 2002-6-26 9780 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CDA27463  Lupinus lepidus var. sellulus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3148 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  CHSC20974  Lupinus lepidus var. sellulus F. T. Griggs; A. Pass 1975-7-23 233 Plumas Cape Lake. Comment
  CHSC935  Lupinus lepidus var. sellulus 1945-6-30 Plumas Buck's summitt. 1685 Comment
  SEINET8056241  Lupinus lepidus var. sellulus A. A. Heller, P. B. Kennedy 1907-7-9 8772 Plumas Prattville Comment
  SEINET10907029  Lupinus onustus Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1091 Plumas Collected 2.2 mi from jct. Of hwy. 89 And 70. Douglas fir, libocedrus, and Quercus along hwy. 89. Comment
  SEINET10936750  Lupinus onustus Patricia L. Kenney 1973-6-5 Kenney 423 Plumas Collected along a stream along hwy 70, 6 mi s from jct of hwy 89 & 70. Douglas fir and yellow pine. 1067 Comment
  CHSC23624  Lupinus polycarpus J. Cox 1975-7-24 Plumas E side of Lake Almanor. Comment
  SEINET10484150  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-7 Taylor 4787 A Plumas T22N R12E sw/ne sec 9. Johnsville quad. Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca. 1 mi w of Blairsden. 4400 ft. 1341 Comment
  CDA15402  Lupinus polyphyllus var. burkei G. F. Hrusa, T. D. Wilfred 1996-8-23 13530 Plumas Sierra Nevada; Upper Long Valley Creek below confluence with Bull Run Creek. Approx. 1 mi. E of Lava Peak, & 2 mi. NE of Cromwell townsite. Comment
  SEINET10490882  Lupinus sellulus var. sellulus Taylor 1981-8-31 Taylor 4249 Plumas Sierra city ne quad. E side of rd 114, ca .5 mi n of its jct with hwy. 89, Ca 1.5 Mi e of clio. Associates: purshia tridentata, pinus ponderosa. 1433 Comment
  UCD15243  Lupinus stiversii Stephen Brown 1974-5-4 111 Plumas Feather River Canyon, approximately 1 mile above Rock Creek on a gravel road. 457 Comment
  RSA75657  Luzula comosa L. S. Rose 1951-6-28 51031 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  UCSB46162  Luzula comosa Reisentz, Paul 1979-5-12 Plumas at Lewisia Rock; 3 miles south of Beldon; on Highway 70 Comment
  CAS-BOT-BC436680  Luzula comosa var. laxa Robert J. Weatherby 1955-6-26 1544 Plumas Mud Lake, Lakes Basin area 2103 Comment
  JEPS103523  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  UC942987  Luzula comosa var. laxa Lewis S. Rose 1951-6-28 51031 Plumas 8 mi SW of Johnsville, McRae Meadows 1950 Comment
  CAS-BOT-BC441255  Luzula macrantha John Thomas Howell; Gordon True 1968-6-10 44560 Plumas Sierra Nevada: Quincy, hill just N of Gansner Park 1036 Comment
  CHSC63704  Lycopus uniflorus Vernon H. Oswald 1994-9-6 6474 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  POM75872  Lysimachia thyrsiflora Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC40354  Lythrum portula Lowell Ahart 1985-7-11 5122 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles northeast of La Porte. 1584 Comment
  CAS-BOT-BC494118  Lythrum portula W. Harnach; N. Harnach 2000-8-2 963 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  RSA18611  Machaeranthera canescens var. shastensis C. B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  CAS-BOT-BC342584  Madia W. Harnach; N. Harnach 1990-6-19 399 Plumas Sierra Valley. Genesse Rd. 1584 Comment
  SEINET10474800  Madia citrigracilis Mary Susan Taylor 1981-7-11 Taylor 4067 Plumas T27N R7E ne/ne sec 10, Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89; 4500 ft elev. 1372 Comment
  CHSC76035  Madia citriodora G. F. Hrusa 1997-6-26 13876 Plumas Sierra Nevada. Open flats 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd. (to N; USFS 508)/and Sloat Rd. (to S). 1450 Comment
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May 24 2013
  UCR47602  Madia elegans David D. Keck 1932-7-4 1620 Plumas Northern Sierra Nevada Mtns., Quincy, north of Spanish Creek 1067 Comment
  CAS-BOT-BC343799  Madia elegans Arthur C. Barrett 1915-7-19 37 Plumas Plumas National Forest. Canon [Canyon] Field, Doyle-Last Chance road 1676 Comment
  CDA15378  Madia elegans subsp. elegans G. F. Hrusa 1997-6-26 13893 Plumas Sierra Nevada; approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CHSC36336  Madia elegans subsp. elegans M. S. Taylor 1982-6-28 4767 Plumas Ramelli Ranch, along roadsides, near jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth. 1487 Comment
  SEINET10475205  Madia elegans subsp. elegans Mary Susan Taylor 1982-6-28 Taylor 4767 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC344472  Madia exigua John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1985 Plumas Butterfly Botanical Area and Vicinity. Near barn in valley proper 1036 Comment
  JEPS106303  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11012 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  CAS-BOT-BC344467  Madia exigua David D. Keck 1932-7-3 1619 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  RSA716700  Madia glomerata L. Ahart, John Dittes 2005-9-20 12437 Plumas North of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2042 Comment
  UCR123520  Madia glomerata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6864 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CAS-BOT-BC343281  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43273 Plumas Meadow at Quincy 1036 Comment
  CAS-BOT-BC343287  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43285 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 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
  CHSC20804  Madia gracilis K. R. Stern 1975-7-24 5841 Plumas SW shore of Lake Almanor. 1371 Comment
  JEPS89652  Madia gracilis Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13215 Plumas along Hwy. 89 1.3 mi. n.of junction w/ Humbug-Humboldt Rd. (Lake Almanor region); Fieather R. Watershed, Lake Almanor region 1417 Comment
  CAS-BOT-BC343259  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC343288  Madia gracilis C. R. Quick 1957-6-15 57 -02 Plumas About 1/2 mile s. of Lake Almanor Comment
  POM253267  Madia minima A. A. Heller 1938-6-22 15178 Plumas Gravelly plain north of Chester 1305 Comment
  CHSC87835  Maianthemum racemosum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  RSA508637  Maianthemum stellatum Mrs. R. M. Austin 1880-6-16 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC62433  Malacothrix floccifera L. P. Janeway 1993-7-31 4484 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. 1066 Comment
  UCSC000629  Marrubium vulgare C. W. Hanks 1934-8-16 53 Plumas Sierraville, Upper Long Valley, Plumas National Forest 1676 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
  CHSC24260  Marsilea vestita K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  RSA85836  Marsilea vestita J. T. Howell 1926-7-30 2159 Plumas Lake Almanor Comment
  CAS-BOT-BC348175  Matricaria discoidea Javier Penalosa 1962-6-19 2503 Plumas Hwy. 40-89, +- 6.2 mi. SE of Quincy 1097 Comment
  CAS-BOT-BC271199  Melica John Thomas Howell; H. Keith Wagnon 1980-5-27 53636 Plumas About 2 miles northwest of Almanor, Sierra Nevada 1389 Comment
  UC641649  Melica aristata G. L. Stebbins Jr. 1939-7-6 2909 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 Comment
  SEINET10893681  Melica aristata Mary Susan Taylor 1982-7-7 Taylor 4784 Plumas T23N R11E S26 SW1/4 NW1/4. Johnsville Quad. N side of 23N36 just E of its jct. with 23N35, S slope of Big Hill, ca. 3 air miles S of Sloat. Mixed Evergreen forest. With Eriogonum nudum. 1615 Comment
  CAS-BOT-BC282081  Melica fugax John Thomas Howell 1961-6-21 36633 Plumas Greenville 1097 Comment
  CAS-BOT-BC282088  Melica fugax John Thomas Howell; et al. 1968-6-11 2408 Plumas Butterfly Botanical Botanical Area. Near dam Comment
  CAS-BOT-BC282092  Melica fugax Lowell Ahart 1986-7-8 5347 Plumas About 1 mile NW of Pilot Peak, ca 14 miles NE of La Porte 1981 Comment
  CHSC41427  Melica fugax Lowell Ahart 1986-7-8 5346 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  CHSC87615  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10910 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy. 1147 Comment
  JEPS106198  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10910 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy 1147 Comment
  RSA739775  Melica fugax L. P. Janeway 2007-6-3 9005 Plumas Northern High Sierra Nevada, Eastern end of Red Mtn, along the high exposed rocky ridgeline. Weathered reddish serpentine 1929 Comment
  CHSC101916  Melica harfordii Lowell Ahart; John Dittes 2009-7-14 16075 Plumas East of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1536 Comment
  CHSC53180  Melica stricta L. P. Janeway 1989-6-22 3377 Plumas Plumas National Forest. Easterly flank of Crocker Mtn above Crocker Mdw. 1889 Comment
  JEPS102462  Melica stricta Lowell Ahart 2001-7-17 8929 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC578631  Melica stricta E. Sawyer 1935-6-25 148 Plumas 1.5 mi se Crow; Plumas National Forest, Sierraville Quad. 1889 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
  CHSC24283  Mentha canadensis K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  UC1075661  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas border Smith Lake (near Quincy); border of Smith Lake 1249 Comment
  CAS-BOT-BC223707  Mentzelia W. Harnach; N. Harnach 1989-6-29 205 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  NY621932  Mentzelia dispersa R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  RSA718037  Mentzelia dispersa R. D. Fischer, Jenny Marr 2005-7-4 813 Plumas Butt Valley Reservoir. Sierra Nevada high, along the north side road of Butt Valley Reservoir, ner the Ponderosa Campground dumpster. YPF. 1341 Comment
  UC54500  Mentzelia dispersa H. M. Hall and E. B. Babcock July 1903 4418 Plumas Sierra Nevada Mountains, Warner Creek 1463 Comment
  UC336441  Mentzelia laevicaulis var. laevicaulis unknown Plumas Indian Valley 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
  JEPS28641  Menyanthes trifoliata George W. Gillett 1957-7-18 838 Plumas Lassen Volcanic National Park, n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  CHSC61710  Micranthes bryophora Vernon H. Oswald; Lowell Ahart 1993-8-25 5861 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Meadows, ca. 0.1 mi upstream from the S boundary of the park. 1987 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
  CHSC91740  Micranthes nidifica G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3359 Plumas Sierra Nevada. 0.25 mile northeast of Bucks Summit on Bucks Lake Road; hillside meadow at the head of Eagle Gulch. 1670 Comment
  CAS-BOT-BC429145  Micranthes odontoloma Lowell Ahart 1976-7-7 s.n. Plumas Above bridge across Cold Water Creek. 1524 Comment
  SJSU7542  Micropus californicus L. S. Rose 1968-6-11 68102 Plumas Butterfly Valley 4 mi S of Keddie 1036 Comment
  UCR281704  Micropus californicus B. C. Templeton 1968-6-8 11225 Plumas Butterfly Valley, c. 10 miles west of Quincy 1067 Comment
  SEINET10938127  Microseris Mary Susan Taylor 1981-9-14 Taylor 4275 Plumas California: T26N R8E se1/4 sec 13. Almanor SE quad. Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ESE of Green- ville. Plumas County. 5200 ft. 1585 Comment
  CAS-BOT-BC349341  Microseris nutans Lowell Ahart 1983-8-17 4326 Plumas Near Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC349347  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC349348  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA14122  Microseris nutans G. F. Hrusa 1997-5-3 13812 Plumas Sierra Nevada; Slope on W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. 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
  POM34990  Microseris nutans Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  UCR182944A  Microseris nutans G. D. Barbe, T. C. Fuller 1982-7-16 3756 A 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
  JEPS124095  Mimulus breweri Lowell Ahart 2015-6-7 20216 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
  SEINET3365893 Image available Mimulus breweri Barbara Ertter, Jeffrey Strachan 1980-7-31 3889 Plumas Plumas National Forest; Dixie Creek ca 3/4 mile east of Milford-Beckwourth Road (near cattle guard) 1707 Comment
  RSA60116  Mimulus guttatus E. K. Balls 1950-9-2 15636 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  RSA8051  Mimulus guttatus H. A. Barker 1927-7-3 764 Plumas Blairsden. 1372 Comment
  RSA88393  Mimulus guttatus J. T. Howell 1951-6-26 27534 Plumas Feather River Canyon 854 Comment
  SEINET6225043  Mimulus guttatus L. S. Rose 1967-1 67069 Plumas N Fork, Feather River 2 mi E of Belden Comment
  CDA32503  Mimulus layneae G. D. Barbe 1981-6-26 3374 Plumas Walker Plains, basalt formation along the Plumas-Butte county line. Comment
  JEPS113564  Mimulus mephiticus Lowell Ahart, John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  RSA488106  Mimulus nanus var. mephiticus Barbara J. Ertter 1988-7-25 7851 Plumas Diamond Mts. ca 15 airmiles due S of Susanville, sheep canyon on Pierce Creek. 1982 Comment
  RSA523819  Mimulus nanus var. mephiticus S. Galen Smith 1958-7-25 s.n. Plumas Along Feather River Highway (Alt. US 40), 2.2 mi e. of bridge over the North Fork of the Feather River and the junction of the road to Caribou, near Rich Bar. 777 Comment
  UC1552716  Mimulus nasutus Frederica Bowcutt 1985-6-6 575 Plumas about 15 air mi ne Quincy; Plumas National Forest, Red Clover Creek Comment
  POM273167  Mimulus primuloides Lyman Benson 1932-7-29 3999 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS28643  Mimulus pulsiferae George W. Gillett 1957-7-19 840 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC7299  Mimulus pygmaeus Vesta Holt 1934-5-18 s.n. Plumas 2 miles W of Lake Almanor on road to Chester Comment
  SEINET10570269  Mimulus pygmaeus Mary Susan Taylor 1982-6-11 Taylor 4637 Plumas T27N R7E ne/ne sec 10. Almanor NW quad. Almanor Campground, between n part of cmpgr & rd, 0.5 mi e of Hwy 89; n of Prattville. 4500 ft. 1372 Comment
  UC1778575 Image available Mimulus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas Granitic sand on N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  POM260887  Mimulus torreyi L. S. Rose 1939-6-8 39270 Plumas S end of Lake Almanor. 1372 Comment
  RSA234816  Mimulus torreyi Francis W. Pennell 1940-6-10 25790 Plumas 5 mi. west of Chester along Hwy 36. 1616 Comment
  CHSC61738  Monardella follettii L. P. Janeway 1993-7-15 4445 Plumas Plumas National Forest. Along Rd 25N17 0.4 mi south of the saddle between Bean Creek (a tributary of Upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River); several hundred ft west of Bean Creek and along the west side of the road. 1536 Comment
  CHSC82106  Monardella follettii L. P. Janeway 2001-8-5 7418 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  SJSU15259  Monardella follettii S. Woolhouse 2009-7-26 8 Plumas Just east of forest service road 24N31. Meadow Valley Quad T24NR8ES24. Comment
  CHSC118658  Monardella follettii Noah Siegel 2015-7-29 2015007 Plumas Plumas National Forest. Located on the north side of Rush Creek Hill, just south of Forest Service road 26N67F4. UTM 660981 E, 4437231 N, NAD83 Zone 10N. 1825 Comment
  SEINET10582327  Monardella follettii A. Graff 1993-7-22 Graff 312 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  CHSC56858  Monardella odoratissima L. P. Janeway 1991-8-3 4106 Plumas Plumas National Forest. Near top of ridge, south end of Grizzly Ridge and ca 1 3/4 mi west of Smith Peak. 2072 Comment
  SEINET10498933  Monardella odoratissima Melvin L. Conrad 1973-6-5 Conrad 7046 Plumas Yellow pine and douglas fir in plumas natl forest off hwy 70 1067 Comment
  CAS-BOT-BC314216  Monardella odoratissima subsp. glauca John Thomas Howell 1960-7-24 35972 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  JEPS127339  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas Top and on the northeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCR280844  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  RSA59349  Monardella odoratissima subsp. glauca E. K. Balls 1950-9-2 15629 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  RSA7993  Monardella odoratissima subsp. glauca H. A. Barker 1927-7-3 771 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  CAS-BOT-BC222109  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1973-7-31 50114 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC117559  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC117634  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC80840  Monardella odoratissima subsp. pallida Lowell Ahart 2001-7-17 8927 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS115167  Monardella odoratissima subsp. pallida Lowell Ahart, John Dittes 2009-7-15 16097 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
  JEPS63381  Monardella odoratissima subsp. pallida W. L. Jepson 1939-7-31 19322 Plumas 2 mi from summit Spanish Peak (lower s slopes) 2042 Comment
  UC614709  Monardella odoratissima subsp. pallida L. Constance 1938-6-10 2317 Plumas West edge of Lake Almanor at Prattville. 1219 Comment
  CAS-BOT-BC220485  Monardella sheltonii John Thomas Howell 1975-7-22 51370 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC52052  Monardella sheltonii L. P. Janeway 1989-6-23 3399 Plumas Cyn of N Fk Feather River at Chambers Cr. Along hwy 70. 624 Comment
  CHSC52055  Monardella sheltonii L. P. Janeway 1989-7-7 3470 Plumas Plumas National Forest. Hwy 70/89 at the bridge over Spanish Cr. 952 Comment
  RSA794956  Monardella sheltonii L. Ahart, Josephine Guardino, John Dittes 2009-7-29 16218 Plumas North side of Forest Service Road 26N22, 4650 feet northwest of Rattlesnake Hill, 3.0 air miles SSE of Lake Almanor Dam. 1591 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
  SEINET10582345  Monardella sheltonii A. Graff 1993-7-22 Graff 303 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. Comment
  SEINET10582349  Monardella sheltonii A. Graff 1993-7-22 Graff 318 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, .8 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on right roadside. T25N,R8E,S18. Past flowering. Comment
  SEINET10582351  Monardella sheltonii A. Graff 1993-7-21 Graff 279 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
  SEINET10582354  Monardella sheltonii A. Graff 1993-7-21 Graff 282 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
  CAS-BOT-BC220206  Monardella stebbinsii Linnea Hanson 1980-7-22 s.n. Plumas Ca. 1 mile north of Queen Lily Campground north of Belden on North Fork Feather River Comment
  UCD125245  Monardella stebbinsii D. Sanchez-Mata; D. Sanchez-Mata and P. Rodriguez-Rojo 1997-8-16 s.n. Plumas French Bar-Caribou. Plumas National Forest. 840 Comment
  CAS-BOT-BC7366  Monardella stebbinsii Clare Butterworth Hardham 1968-7-15 15680 Plumas Belden--Caribou Rd., about 1 mile N of Queen Lily Camp Ground. North Fork of Feather River. 853 Comment
  SEINET10499745  Monardella stebbinsii Mary Susan Taylor 1981-7-18 Taylor 4056 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  SEINET10582267  Monardella stebbinsii A. Graff 1993-7-22 Graff 330 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  SEINET12334042  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3459 Plumas Johnsville quad T23N R12E NW? of sec20, Above Jackson Cr. and Middle Fk Feather River, 2.3 mi from * 1646 Comment
  CAS-BOT-BC444745  Montia chamissoi Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1880 Plumas Butterfly Botanical Area and Vicinity 1036 Comment
  CAS-BOT-BC444857  Montia fontana M. S. Taylor 1982-7-7 4785 Plumas S slope of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  CAS-BOT-BC444858  Montia fontana John Thomas Howell 1960-7-21 35818 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CAS-BOT-BC445079  Montia linearis M. Nakagawa 1980-5-17 41 Plumas Marble Hot Springs Road 1 mile E. of Junction w/ A23 ditch along side road 1524 Comment
  CHSC59157  Muhlenbergia andina Vernon H. Oswald 1992-8-10 5149 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In meadow. 1597 Comment
  JEPS102719  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) NE of Quincy. 1522 Comment
  JEPS115891  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
  RSA718529  Muhlenbergia filiformis L. Ahart 2006-10-23 13500 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
  SACT001594  Muhlenbergia filiformis Malcolm Nobs, S. Smith 1949-8-18 Plumas Comment
  UCD86661  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC97612  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, along 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
  SEINET11688465  Muhlenbergia richardsonis Unknown 1985-1 5126 Plumas Little Grass Valley Res., where South Fork of Feather River flows into lake, 4.25 mi NE of La Porte 1585 Comment
  SD46645  Myosotis scorpioides Robert J. Weatherby 1950-7-2 1443 Plumas Mill Creek, East Quincy 1064 Comment
  CAS-BOT-BC392268  Myosurus apetalus John Thomas Howell 1962-6-19 37865 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  CAS-BOT-BC392267  Myosurus apetalus Herbert L. Mason 1952-7-17 14382 Plumas Sierra Nevada. Along Western Pacific tracks just south of Beckwourth. Sierra Valley 1524 Comment
  CHSC34896  Myriophyllum sibiricum M. S. Taylor 1981-9-2 4265 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  CHSC97522  Myriophyllum sibiricum Lowell Ahart; John Dittes 2007-6-17 14164 Plumas In Red Clover Creek, about 50 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  RSA52944  Myriophyllum verticillatum R. Weatherby 1950-7-28 1493 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  SD46448  Myriopteris gracillima Robert J. Weatherby 1950-8-11 1514 Plumas Mt. Elwell, just below abandoned lookout station 2375 Comment
  CDA17266  Narthecium californicum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16293 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  CHSC78761  Narthecium californicum L. P. Janeway 2000-7-16 6905 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  SD46489  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley, near Quincy. On sunny wet soil in boggy meadow. 1219 Comment
  SEINET12045515  Narthecium californicum Unknown 1961-1 246 Plumas Upper Butterfly Valley, 2.5mi W turn off Hwy 89-US40 1158 Comment
  PASA2015  Navarretia breweri Margaret Stason 1932-6-22 442 Plumas campground at Lake Almanor Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 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
  CHSC53161  Navarretia divaricata subsp. divaricata L. P. Janeway 1989-6-9 3278 Plumas Plumas National Forest. Forest along southwest side of Red Clover Valley. 1691 Comment
  CHSC20844  Navarretia intertexta subsp. propinqua K. R. Stern 1975-7-23 5816 Plumas W shore of Lake Almanor. 1371 Comment
  JEPS113741  Navarretia intertexta subsp. propinqua Lowell Ahart, Josephine Guardino 2007-7-20 14349 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis 1763 Comment
  CDA20258  Navarretia leptalea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3133 Plumas Sierra Nevada; 3.25 mi w of Round Valley Reservoir Dam; 0.25 mi e of junction with road to Canyon Dam (i.e. s arm of Lake Almanor). 1633 Comment
  RSA0105476  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  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
  UC572508  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas nw of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  CAS-BOT-BC230395  Navarretia leucocephala subsp. minima John Thomas Howell 1977-8-11 52703 Plumas At N end of Frenchmans Reservoir 1706 Comment
  CHSC97513  Nemacladus capillaris Lowell Ahart; John Dittes 2007-6-16 14132 Plumas On the bottom of a small drainage on the south side of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET10464820  Nemacladus capillaris Howell 1967-7-12 Howell 2105 Plumas Between valley and Darlingtonia bog 1067 Comment
  SEINET10938896  Nemacladus capillaris Howell 1967-7-11 Howell 43281 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CAS-BOT-BC219373  Nemophila John Thomas Howell 1976-4-2 51573 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC230553  Nemophila parviflora var. austiniae J. T. Howell; et al. 1967-5-7 2228 A Plumas Butterfly Botanical Area and Vicinity. Pond reservoir 1127 Comment
  UC606950  Nemophila parviflora var. austiniae L. Constance 1938-6-10 2318 Plumas 3.2 mi n Prattville (ne end Lake Almanor); , n of Prattville 1524 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
  SD7985  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC78594  Oreostemma alpigenum var. andersonii L. P. Janeway 2000-7-16 6908 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  JEPS88422  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 ca. 1.25 mi nw Hauns Mdw. (s side of mt., ca. 2 mi se of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn., Second Water Trough Creek 1706 Comment
  UC726950  Oreostemma alpigenum var. andersonii A. A. Heller 1942-8-3 16515 Plumas about midway between Summit Lake and the Devasted Area Summit Lake; Lassen Park Comment
  CHSC116357  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  SD6605  Orobanche californica subsp. grayana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  JEPS103377  Orobanche uniflora var. uniflora Lowell Ahart 2002-7-6 9846 Plumas In small meadows, ca 50 yards N of the gravel road, near a small branch of Coldwater Creek, ca 3/4 mile SW of Grizzly Mountain, ca 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  JEPS25808  Orogenia fusiformis John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley; , Grubstake Flats Comment
  CAS-BOT-BC458063  Orthilia secunda Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS104412  Orthilia secunda Lowell Ahart 2003-10-15 10639 Plumas Old gold mined flat area, ca 1/4 mi south of Forest Rd 22N94E, ca 1/2 mi south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1509 Comment
  SEINET10549656  Orthocarpus copelandii Mary Susan Taylor 1982-8-31 Taylor 5085 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  JEPS97344  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1995-8-7 7608 Plumas 1 air mi W of Pilot Peak; Pacific Crest Trail 1950 Comment
  RSA52846  Orthocarpus hispidus R. Weatherby 1950-7-7 1462 Plumas Edge of Snake Lake, Quincy. 1220 Comment
  RSA8035  Orthocarpus hispidus H. A. Barker 1927-7-16 823 Plumas Along Feather River near Mohawk. 1372 Comment
  SEINET10549682  Orthocarpus hispidus Mary Susan Taylor 1982-6-28 Taylor 4770 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  POM297716  Orthocarpus lacerus A. A. Heller, P. B. Kennedy 1907-7-6 8752 Plumas Red Clover Valley. Comment
  JEPS87597  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3/4 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SBBG128728  Osmorhiza berteroi L. Ahart 2008-7-16 15072 Plumas forest floor E of a small meadow (swamp) ca. 100 yards N of the paved rd, ca. 0.25 mi W of the bridge where the S Fork of the Feather River flows into Little Grass Valley Reservoir, ca. 2 1/2 mi (air ) N of La Porte 1597 Comment
  RSA0058871  Osmorhiza chilensis Lowell A. Ahart 2008-7-16 15072 Plumas East of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  SEINET10454515  Osmorhiza chilensis Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4018 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  RSA88406  Osmorhiza occidentalis J. T. Howell 1951-6-28 27652 Plumas Johnsville 1585 Comment
  JEPS114188  Packera cana L. P. Janeway 2007-8-13 9184 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. Comment
  CHSC46673  Packera subnuda var. subnuda Vernon H. Oswald 1988-8-5 3621 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  RSA641875  Paeonia brownii Michael A. Vincent 1999-6-7 8518 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11 Comment
  SEINET10932238  Paeonia brownii Mary Susan Taylor 1982-5-7 Taylor 4418 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  CHSC82444  Panicum acuminatum var. acuminatum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9817 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
  UCD32830  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32834  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs. 1676 Comment
  UCD89955  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253739  Panicum capillare John Thomas Howell 1951-8-20 28214 Plumas Genesee 1127 Comment
  CAS-BOT-BC253741  Panicum capillare John Thomas Howell 1976-7-15 51831 Plumas Quincy 1051 Comment
  CAS-BOT-BC253747  Panicum capillare C. R. Quick 1952-9-5 52 -295 Plumas NW of Almanor Comment
  CAS-BOT-BC253748  Panicum capillare John Thomas Howell; et al. 1967-7-10 2191 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC113836  Panicum capillare Lowell Ahart 2014-9-9 19844 Plumas Below the high water line, on the sides of Sly Creek, Sky Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  SD71009  Panicum capillare var. occidentale John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic Park, Drakesbad, cool wet shaded place 1676 Comment
  CAS-BOT-BC259635  Paspalum dilatatum John Thomas Howell 1951-6-29 27756 Plumas Feather RIver Canyon 548 Comment
  CHSC1835  Pedicularis attollens V. Holt 1942-7-2 Plumas Na Wa Kwa near Longville. 1310 Comment
  UC485726  Pedicularis semibarbata H. E. and S. T. Parks 1928-6-20 237 Plumas e side of Mount Lassen (Drakesbad) Comment
  SEINET7719333  Pedicularis semibarbata Unknown Plumas Spanish Peak Comment
  CAS-BOT-BC69351  Pellaea brachyptera Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville 1097 Comment
  CDA13577  Pellaea brachyptera G. F. Hrusa, T. D. Wilfred 1996-8-23 13526 Plumas Sierra Nevada; Below Lava Peak immediately above Long Valley Creek along USFS 12E19 Pack Trail. N of Hwy 70 about 15 m. E of Quincy. Comment
  SD19372  Pellaea brachyptera Mrs. R. M. Austin 1877-1 Plumas Comment
  UC1874920  Pellaea brachyptera Ruth Kirkpatrick 2002-7-18 1137 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  RSA60025  Pellaea bridgesii E. K. Balls 1950-9-1 15589 Plumas Long Lake, ridge above east shore, toward trail going south of lake 2134 Comment
  CAS-BOT-BC67586  Pellaea mucronata John Thomas Howell 1967-6-22 42661 Plumas Sierra Nevada Canyon of the Feater River North Fork, near mout of Chambers Creek. 609 Comment
  SEINET4889669  Peltandra virginica B. L. Wilson, J. Belsher-Howe, P. F. Zika 2011-8-4 16757 Plumas Plumas National Forest, Butterfly Valley Botanical Area, 1168 Comment
  CDA9209  Penstemon deustus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .287 Plumas Plumas Eureka State Park. S Johnsville Comment
  RSA69124A  Penstemon deustus E. K. Balls 1950-9-2 15647 Plumas Mt. Ingalls Lookout, north of Grizzzly Valley. 2485 Comment
  UC565593  Penstemon deustus Herbert L. Mason 1924-6-15 1032 Plumas Gold Lake Comment
  RSA726370  Penstemon deustus var. suffrutescens L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13983 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  JEPS107696  Penstemon gracilentus Lowell Ahart, John Dittes 2005-9-20 12449 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2049 Comment
  NY600750  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  SEINET4207718  Penstemon gracilentus Mikel R. Stevens 2011-8-27 218 Plumas 6.9 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.4 rd miles beyond Barkers Cabin Rd.; 0 2004 Comment
  UC1063166  Penstemon gracilentus A. Lewis 1934-6-18 491 Plumas 1 mi nw Whiskey Diggings; Plumas National Forest, Downieville Quad. Comment
  RSA177473  Penstemon gracilentus R. M. Straw 1962-6-28 2197 Plumas 5-6 miles south of Milford on Beckwourth Road. 1900 Comment
  UCR78374  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock Lookout, c. 8 mi south of Susanville 2256 Comment
  UC690372  Penstemon laetus var. leptosepalus David D. Keck 1928-6-16 449 Plumas on Oroville - Quincy road four mi n Butte County line (Sierra Nevada); , on Oroville - Quincy road 1676 Comment
  NY130452  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  RSA6234  Penstemon neotericus D. D. Keck 1932-7-6 1719 Plumas 12 miles west of Chester. 1585 Comment
  RSA739640  Penstemon neotericus B. Castro, L. P. Janeway 2005-9-11 1519 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.7 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1921 Comment
  CDA12150  Penstemon newberryi G. F. Hrusa, J. Dinsdale 1989-6-25 7197 Plumas Sierra Nevada; Bucks lake north shore. Comment
  SEINET4207497  Penstemon newberryi Mikel R. Stevens 2011-8-27 216 Plumas Ca 14 rd mi N of La Porte on Quincy La Porte Rd, ca 0.2 rd mi past intersection with Fingerboard Rd. Ca 6.8 air mi NE of Little Grass Valley Reservoir.; 0 1922 Comment
  RSA101484  Penstemon newberryi subsp. newberryi R. Weatherby 1955-6-26 1552 Plumas Above Mud Lake, Lakes Basin Area 2195 Comment
  CAS-BOT-BC239293  Penstemon newberryi var. berryi Robert J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area 1981 Comment
  NY627387  Penstemon newberryi var. newberryi R. J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area. 1981.2 Comment
  NY627394  Penstemon newberryi var. newberryi R. M. Austin 1876-1-1 285 Plumas Comment
  CHSC88985  Penstemon personatus L. Hanson 1988-8-29 330 Plumas Plumas National Forest. Hardquartz Mine. 1615 Comment
  HSC73116  Penstemon personatus M. S. Taylor, M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 0.25 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls 1585 Comment
  CDA13929  Penstemon roezlii G. F. Hrusa 1997-5-3 13854 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
  CHSC104749  Penstemon roezlii L. P. Janeway 2010-8-19 10168 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CHSC113628  Penstemon roezlii Lowell Ahart 2014-8-31 19828 Plumas Strand, gravel bars along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  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
  RSA285609  Penstemon roezlii D. C. Michener 1981-7-17 4017 -b Plumas 9 miles north of Greenville on CA 89. Comment
  CHSC53222  Penstemon rydbergii L. P. Janeway 1989-6-30 3430 Plumas Plumas National Forest. Along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CAS-BOT-BC239613  Penstemon rydbergii var. oreocharis Mrs. A. L. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  CHSC73445  Penstemon rydbergii var. oreocharis H. Durio 1995-8-17 Plumas Mosquito Flat area. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. 1676 Comment
  POM147060  Perideridia bolanderi subsp. bolanderi Alice Eastwood 1927-6-17 14654 Plumas Long Valley Comment
  SJSU11949  Perideridia bolanderi subsp. bolanderi N. A. Hopkins 1971-6-19 405 Plumas c. 5 mi SE of Beckwourth, Sierra Valley 1219 Comment
  RSA754539  Perideridia lemmonii L. Ahart, John Dittes 2009-7-28 16203 Plumas Near seeps, slope NW of mine, W (above) Forest Service Road 27N28Y, 2.9 air miles NW of Butt Valley Reservoir Dam. 1582 Comment
  UC1389937  Perideridia lemmonii T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-17 5990 b Plumas Lake Almanor; w side Comment
  CHSC110249  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  UC1776799  Perideridia parishii subsp. latifolia G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13240 Plumas Sierra Nevada - Plumas National Forest; Hillside adjacent to headwaters of Bull Run Creek off USFS 23N12E 2000 Comment
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  SEINET10840956  Perideridia parishii subsp. latifolia Mary Susan Taylor 1981-7-17 Taylor 4030 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
  CHSC66636  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1996-7-15 8011 Plumas S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. Growing on the wet strand of the lake. 1371 Comment
  CAS-BOT-BC413564  Persicaria amphibia Malcom A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas On southeastern side of Portola Comment
  CHSC82124  Persicaria lapathifolia L. P. Janeway 2001-7-25 7385 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
  CHSC21086  Phacelia hastata subsp. hastata F. T. Griggs; A. Pass 1975-7-2 57 Plumas Buck's Lake Forest Service Survery 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
  JEPS2083  Phacelia heterophylla subsp. virgata W. L. Jepson 1910-6-16 4138 Plumas near Keddie 1066 Comment
  UC1602017  Phacelia heterophylla subsp. virgata C. G. Albertus 1935-8-2 240 Plumas Big Hill Plumas National Forest, Downieville Quadrangle (s slope) Comment
  JEPS26736  Phacelia heterophylla subsp. virgata P. C. Hutchison 1961-6-9 2124 Plumas along Hwy US Alt. 40 1.8 mi above Rich Bar junction; canyon of the North Fork of the Feather River Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  UC1069352  Phacelia hydrophylloides G. Burks 1933-8-8 27 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  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
  CHSC20826  Phacelia mutabilis K. R. Stern 1975-7-25 5827 Plumas S shore of Lake Almanor. 1371 Comment
  JEPS104420  Phacelia mutabilis Lowell Ahart 2003-10-26 10680 Plumas On a gravel bar on the e side of the South Fork of the Feather River, where the old road crosses the river, ca 1/8 mi w of the Feather Fork Mine, ca 1 3/4 mi (air) ne of Little Grass Valley Reservoir, ca 6 1/2 mi (air) ne of La Porte. 1600 Comment
  CDA13345  Phacelia procera G. F. Hrusa, T. D. Wilfred 1996-7-9 13193 Plumas Sierra Nevada; Grizzly Campground, S of Bucks Lake on Hwy 162. Comment
  CHSC36345  Phacelia procera M. S. Taylor 1982-8-5 4941 Plumas Around Crystal Lake just below Mt Hough summit, ca 7 air mi nne of Quincy. 2042 Comment
  JEPS126519  Phacelia racemosa Lowell Ahart 2016-6-29 21056 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest o Little Grass Valley Reservoir Dam. Comment
  HSC101694  Philadelphus lewisii Dillon North Davis 2013-6-20 26 Plumas 7.4 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1600 Comment
  JEPS49617  Philadelphus lewisii W. L. Jepson 1910-6-18 4152 Plumas Belden; canyon 609 Comment
  CAS-BOT-BC260843  Phleum pratense John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-7-10 2177 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 883 Comment
  JEPS107599  Phleum pratense Lowell Ahart, Josephine Guardino 2005-8-10 12314 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC67375  Phlox diffusa James D. Jokerst 1984-4-25 1991 Plumas Big Grizzly Hydro Project. Ca. 2/3 of the way above the river on the inner steep rocky gorge of N. Fork Feather River. 1341 Comment
  UC1124185  Phlox hoodii subsp. canescens E. Sawyer 1935-5-21 8 Plumas 3.25 mi ene Beckwith Pass; Sierraville Quad. 1524 Comment
  SD7490  Phlox speciosa Mrs. R. M. Austin 1882-1 Plumas Wolf Creek Comment
  CHSC76138  Phlox speciosa subsp. occidentalis G. F. Hrusa 1997-5-30 13824 Plumas Sierra Nevada. Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  UC1586002  Phlox speciosa subsp. occidentalis Barbara Ertter with Gary Schoolcraft 1990-5-14 8976 Plumas e of Round Valley Reservoir (e side of mountain above Crescent Mills) 1371 Comment
  CAS-BOT-BC60674  Phoenicaulis cheiranthoides M. S. Taylor 1982-5-14 4450 Plumas Along ridge above Turner Springs Road, ca. 1 mile south of Highway 114 (Clio-Portola Road). 1645 Comment
  UC570262  Phoradendron juniperinum C. W. Hanks 1934-9-10 77 Plumas s. end Dixie Valley; Sierraville Quad., Dixie Valley 1950 Comment
  CAS-BOT-BC58833  Phyllodoce breweri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC571046  Phyllodoce breweri H. L. Mason 1924-6-19 1074 Plumas Bear Lake Comment
  RSA0091206  Physocarpus capitatus Bonnie C. Templeton 1968-1 11274 Plumas [No location information on label.] 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
  CAS-BOT-BC78691  Pinus jeffreyi Elmer I. Applegate 1929-6-21 5815 Plumas Mt. Lassen region; Kelley's Camp, Warner Valley Comment
  UC1219840  Pinus jeffreyi R. A. Cockrell 1940-7-31 8552 Plumas Meadow Valley Meadow Valley (ridge top) 1676 Comment
  RSA21879  Pinus monticola Joseph A. Ewan 1934-7-16 8505 Plumas Mt. Elwell trail above Bear Lake. Comment
  SEINET10530784  Pinus ponderosa Mary Susan Taylor 1981-5-14 Taylor 3720 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  CHSC2381  Piperia unalascensis R. Carter 1964-7-4 142 Plumas One mile N of Green Island L. along Calif. Riding and Hiking Trail. 1706 Comment
  CHSC63203  Piperia unalascensis Lowell Ahart 1994-6-29 7403 Plumas About 1/2 mile south of Bucks Lake. 1828 Comment
  JEPS61026  Plagiobothrys bracteatus W. L. Jepson 1910-6-4 4055 Plumas Big Meadows Prattville 1310 Comment
  CDA11831  Plagiobothrys cognatus G. F. Hrusa, E. Sandoval 1993-5-3 11143 Plumas Sierra Valley; Along Beckwourth-Calpine Rd. approx. 5 m. S Hwy 70 intersection. Comment
  JEPS114614  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 Comment
  CHSC110627  Plagiobothrys hispidulus B. Castro; L. P. Janeway 2006-6-14 1561 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1664 Comment
  JEPS115803  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15900 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  JEPS123959  Plagiobothrys hispidulus Lowell Ahart 2015-7-4 20281 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC228469  Plagiobothrys mollis M. S. Taylor 1982-7-8 4802 Plumas On Ramelli Ranch on S side of Feather River, 1 mile SW of Beckwourth 1487 Comment
  JEPS113597  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
  SEINET12331840  Plagiobothrys scouleri Unknown 1985-1 5102 Plumas about 4.25 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows 1585 Comment
  SD6758  Plagiobothrys tenellus Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UCD138984  Platanthera dilatata var. leucostachys Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  SEINET12076968  Platanthera dilatata var. leucostachys W. Knight, Knight, I. 1983-1 Plumas Comment
  UC485759  Platanthera leucostachys H. E. and S. T. Parks Jun 1928 Plumas Drakesbad Mt. Lassen Comment
  CHSC21201  Platanthera sparsiflora F. T. Griggs; A. Pass 1975-7-17 208 Plumas Buck's Lake Forest Service Survey. Comment
  UCD134960  Pleiacanthus spinosus Collector Unknown 1955-9-1 s.n. Plumas Sierra Valley, near Longton. Comment
  CAS-BOT-BC254767  Poa bolanderi John Thomas Howell 1960-7-22 35919 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC254768  Poa bolanderi George W. Gillett 1957-8-9 1015 Plumas Lassen Volcanic National Park. Cliff Lake Trail, 100 yards above Highway, near Summit Lake Ranger Station 2042 Comment
  JEPS102737  Poa bolanderi Lowell Ahart 2001-7-17 8897 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
  JEPS28286  Poa bolanderi George W. Gillett 1957-7-17 795 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic Nat'l Park 1767 Comment
  SACT001810  Poa bolanderi Michael Baad 1976-8-7 Plumas 1 mile west of trail head to Bear lake to trail head along road ro Rubicon Springs from Lake Tahoe. 2011.0 Comment
  UC943026  Poa bolanderi Lewis S. Rose 1951-6-28 51056 Plumas n Johnsville (above Eureka Lake) 2133 Comment
  UCD90555  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA129116  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3 1/4 miles northwest of Beckwith Butte. 1494 Comment
  CHSC117445  Poa cusickii subsp. cusickii Lowell Ahart 2016-6-29 21061 Plumas Top and southeast part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UC639543  Poa cusickii subsp. cusickii G. L. Stebbins Jr. 1939-7-9 2933 Plumas Meadow View Ranger Station 1889 Comment
  RSA300172  Poa palustris J. T. Howell 1961-9-23 36852 Plumas Indian Valley; Sierra Nevada 1082 Comment
  UC1132696  Poa palustris E. Sawyer 1935-5-24 39 Plumas 1 1/4 mi w Kerby; Sierraville Quadrangle Comment
  CAS-BOT-BC247377  Poa pratensis M. S. Taylor 1982-6-14 4655 Plumas Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville 1536 Comment
  JEPS106235  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11165 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  UC1132726  Poa pratensis subsp. pratensis C. G. Albertus 1935-7-20 214 Plumas 1 1/2 mi sw Lava Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  UCD90393  Poa secunda Beecher Crampton 1954-5-11 1887 Plumas Sierra Valley, 7 miles S of Vinton. Comment
  UC1132619  Poa secunda subsp. juncifolia E. Sawyer 1935-6-6 178 Plumas 5 1/4 mi ssw Sugarloaf; Sierraville Quadrangle 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
  CHSC101870  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC72474  Poa secunda subsp. secunda L. P. Janeway 1998-6-24 5682 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  JEPS106215  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11010 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  UC1132757  Poa secunda subsp. secunda E. Sawyer 1935-6-27 187 Plumas 1.6 mi ene Grizzly Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  CDA32652  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas West side of Hwy 89 to Truckee, 1 mile south of Graeagle. 0 Comment
  CAS-BOT-BC244140  Poa sierrae John Thomas Howell 1967-6-23 42740 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CHSC112173  Poa sierrae Dean Wm. Taylor 2012-5-2 21186 Plumas Feather River Canyon, 'Lewisia Rock', 4 miles west (downcanyon) from Belden (turnoff). 91 Comment
  CDA18765  Poa wheeleri G. D. Barbe, T. C Fuller 1982-7-16 3751 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CHSC101936  Poa wheeleri Lowell Ahart; John Dittes 2009-7-15 16082 Plumas Near a small wash, on the north side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  UC338271  Polemonium occidentale unknown Plumas Barton's meadow , Barton's meadow (Mohawk Valley) Comment
  SD46511  Polygonum aviculare Robert J. Weatherby 1950-7-21 1468 Plumas Railroad tracks east Quincy 1036 Comment
  SEINET10479335  Polygonum aviculare Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5174 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC37700  Polygonum aviculare subsp. aviculare M. S. Taylor; J. Hickman 1982-9-13 5134 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  RSA252388  Polygonum coccineum Robert F. Thorne 1969-9-6 39241 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  RSA88466  Polygonum davisiae J. T. Howell 1951-6-28 27692 Plumas Eureka Peak 1982 Comment
  CHSC115909  Polygonum douglasii L. P. Janeway 2015-7-29 11811 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CAS-BOT-BC414544  Polygonum douglasii Lewis S. Rose 1932-9-5 32610 A Plumas Grass Lake 1584 Comment
  RSA88463  Polygonum douglasii J. T. Howell 1951-8-19 28193 Plumas Greenville. 1098 Comment
  CHSC73809  Polygonum douglasii subsp. douglasii B. Castro; G. Kuenster, L. Gehrung 1994-9-19 547 A Plumas Ca 1.5 air mi S of Bucks Lake, and 0.2 mi W of USFS Rd 23N18, on dirt road to Cedar Flat. 1688 Comment
  JEPS113605  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes 2007-6-16 14091 Plumas On dry soil, graded road gutter, east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS114557  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 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
  CHSC76065  Polygonum douglasii subsp. johnstonii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3250 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mil northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC96923  Polygonum douglasii subsp. johnstonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13989 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC53211  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1989-6-23 3388 Plumas Upper slopes overlooking Crocker Cr from the east. Plumas National Forest Beckwourth Ranger District. 1874 Comment
  CHSC56865  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1991-7-18 4078 Plumas Plumas National Forest Beckwourth Ranger District Midway Compartment. North side of Grizzly Valley ca 1 mi east of Lake Davis. Rocky open lightly vegetated area on north side of County Road. 1777 Comment
  RSA95484  Polygonum kelloggii L. S. Rose 1954-5-30 54060 Plumas Johnsville 1601 Comment
  SEINET4335420  Polygonum kelloggii var. kelloggii A. A. Heller, P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  UCD100469  Polygonum minimum G. F. Hrusa 1992-10-8 10503 Plumas Bucks Lake Wilderness. 1828 Comment
  CAS-BOT-BC419835  Polygonum parryi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54209 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CHSC95024  Polygonum persicaria Lowell Ahart 2006-10-23 13496 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UC570301  Polygonum polygaloides subsp. confertiflorum E. Sawyer 1935-6-27 161 Plumas Charlies Valley Plumas National Forest, Sierraville Quadrangle 1524 Comment
  CHSC97193  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13995 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CAS-BOT-BC420044  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Off Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  CHSC97284  Polygonum shastense Lowell Ahart; John Dittes 2007-8-9 14444 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  JEPS113437  Polygonum shastense Lowell Ahart, John Dittes 2007-8-9 14444 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  SEINET10871622  Polygonum shastense Mary Susan Taylor 1981-7-22 Taylor 4108 Plumas T24N R11E nw 1/4 nw 1/4 sec 5. Spring Garden quad. Slope of hill, ca. 1/4 mi S of 26N21, ca. 0.5 mi W of Pine Creek Valley, ca. 7 air mi N of Spring Garden. 2316 Comment
  CAS-BOT-BC421042  Polygonum spergulariiforme L. P. Janeway 1993-8-26 4547 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. On south side of Middle Fork Feather River. 1484 Comment
  CAS-BOT-BC237271  Polypogon monspeliensis John Thomas Howell 1955-7-19 s.n. Plumas Sierra Valley at Vinton 1505 Comment
  NY149451  Polystichum imbricans R. M. Austin 09 1875 s.n. Plumas Comment
  JEPS104151  Polystichum imbricans subsp. imbricans Lowell Ahart 2003-10-17 10645 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  JEPS122338  Polystichum imbricans subsp. imbricans Lowell Ahart 2014-11-16 19907 Plumas About 100 yards northeast of the paved road, about 100 yards west of Little Grass Valley Reservoir, about 60 yards south of the small stream, about 250 yards southwest of the Black Rock, about 4 1/2 miles northwest of La Porte. Comment
  UC339340  Polystichum imbricans subsp. imbricans J. G. Lemmon and wife June 1889 Plumas Mohawk Valley Comment
  CAS-BOT-BC72350  Polystichum imbricans subsp. imbricans L. P. Janeway 1990-9-28 3854 Plumas West Branch Soda Creek 0.4 mi N of East Branch North Fork Feather River and Hwy 70, vicinity of Paxton 914 Comment
  CAS-BOT-BC72352  Polystichum imbricans subsp. imbricans Clarence R. Quick 1952-6-29 52 -84 Plumas 1.2 miles south of summit on road between Belden and Humbug Valley Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  CHSC96760  Polystichum lemmonii G. Douglas Barbe; T. C. Fuller 1982-6-15 3729 Plumas Sierra Nevada. Plumas County. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS97804  Polystichum lemmonii R. Raiche 1988-7-4 80243 Plumas Red Hill (N of Rich Bar) 0.8 mi NW of Deadwood Saddle; Feather River Canyon 1481 Comment
  CAS-BOT-BC102701  Populus tremuloides Elmer I. Applegate 1929-6-21 5786 Plumas Warner Valley, Mount Lassen region Comment
  CAS-BOT-BC105587  Populus trichocarpa Alice Eastwood 1927-6-15 14551 Plumas Forest Lodge, Greenville - United States Forest Reserve Comment
  CAS-BOT-BC105588  Populus trichocarpa Elmer I. Applegate 1929-6-21 5787 Plumas Warner Valley - Mt. Lassen Region Comment
  CAS-BOT-BC445275  Portulaca oleracea John Thomas Howell; Gordon H. True 1974-7-29 50620 Plumas Quincy 1036 Comment
  CAS-BOT-BC452099  Potamogeton amplifolius Mollie Schneider 1975-6-24 s.n. Plumas Sierra Valley Marsh. Station 1. North side of road near cow pasture at corner. Comment
  CHSC46626  Potamogeton gramineus V. Oswald; L. Ahart, L. Hanson 1989-7-31 3908 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. Edge of a bog. 1670 Comment
  UC1564761  Potamogeton gramineus V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3908 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Pk., lake at the headwaters of of Fowler (Slate) Creek) 1670 Comment
  CHSC92135  Potamogeton natans Lowell Ahart; John Dittes 2005-9-20 12431 Plumas In Mud lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  RSA252440  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-6 39236 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  CHSC65477  Potamogeton pusillus var. tenuissimus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the se edge of the lake. 1676 Comment
  RSA15048  Potamogeton richardsonii Daniel Cleveland 1882-7-26 s.n. Plumas Big Meadow. Comment
  CAS-BOT-BC143431  Potentilla John Thomas Howell 1961-6-21 36703 Plumas Greenville 1097 Comment
  JEPS48885  Potentilla drummondii subsp. bruceae Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  SD129309  Potentilla glandulosa B. Pitzer, S. Morgan, H. Soldan 1988-5-29 955 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy 89 1829 Comment
  RSA716270  Potentilla glandulosa subsp. ashlandica L. Ahart 2005-9-20 12458 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  CHSC53594  Potentilla gracilis var. fastigiata L. P. Janeway 1989-7-25 3517 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CAS-BOT-BC539746  Potentilla gracilis var. fastigiata A. H. Kramer 1933-6-1 s.n. Plumas Lassen National Park Comment
  CAS-BOT-BC540410  Potentilla gracilis var. fastigiata John Thomas Howell; Gordon H. True 1967-6-11 42574 Plumas Sierra Nevada, meadow at Qunicy 1036 Comment
  CAS-BOT-BC540416  Potentilla gracilis var. fastigiata Elizabeth McClintock 1968-5-18 s.n. Plumas E of Frenchman Reservoir N of Chilcoot. 1706 Comment
  CDA40573  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131720 Plumas Quincy; Lee Road, site #2. 0 Comment
  CHSC102386  Poteridium annuum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16126 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
  UCD113967  Poteridium annuum Tofsrud 1948-7-1 s.n. Plumas Between Meadow Valley and Bucks. Comment
  CAS-BOT-BC47621  Primula suffrutescens Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC63967  Prunella vulgaris var. lanceolata B. Castro 1989-9-28 413 Plumas Ca 6 air mi SSW of Bucks Lake, ca 0.4 mi SW of Arkansas Ravine, just upslope from S side of USFS Rd 23N60 and just W of the bridge over Coldwater Creek, on the S side of the bridge. 1481 Comment
  RSA252506  Prunus andersonii Robert F. Thorne, C. W. Tilforth 1969-9-6 39252 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC158120  Prunus emarginata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC158145  Prunus emarginata A. A. Heller; P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  JEPS48882  Prunus emarginata Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  UCSB13455  Prunus emarginata Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  UCSB27407  Prunus emarginata Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1158 Comment
  CAS-BOT-BC154845  Prunus virginiana var. demissa John Thomas Howell 1961-6-21 36648 Plumas Greenville 1097 Comment
  JEPS102717  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-8 9308 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CHSC81099  Pseudognaphalium stramineum Lowell Ahart 2001-8-29 9240 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC113592  Pseudognaphalium thermale Lowell Ahart 2014-8-24 19763 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC80156  Pseudotsuga menziesii Saichi Kawahara 1968-5-5 413 Plumas Feather River Canyon, 5 miles west of Quincy turnoff, on Highway 70 914 Comment
  CHSC55467  Pseudotsuga menziesii var. menziesii Ben Cunningham 1991-4-20 27 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  CAS-BOT-BC361775  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1952-7-17 14390 Plumas Sierra Nevada. Beckwourth. Sierra Valley 1524 Comment
  CHSC34273  Purshia tridentata M. S. Taylor 1981-5-10 3678 Plumas Near Pioneer Cabin meadow, e side of Antelope Lake, ca. 20 air mi e of Taylorsville. 1536 Comment
  UCD40410  Purshia tridentata Rodney Gale Myatt 1971-6-13 748 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  RSA7874  Purshia tridentata var. tridentata H. A. Barker 1927-7-1 758 Plumas Blairsden 1372 Comment
  SEINET10449208  Pyrola californica Mary Susan Taylor 1981-8-20 Taylor 4227 Plumas California: T26N R9E ne1/4 of nw1/4 sec 30. Almanor SE quad. Above spring in Bullfrog Ravine, ca. 3 air mi NW of Indian Falls. Moist shaded brushy Mixed Evergreen Forest. Plumas County. 5600 ft. 1707 Comment
  RSA794197  Pyrola dentata Diana D. Jolles 2005-7-15 124 A Plumas Plumas National Forest. Old Haun Rd. from 147 by Lake Almanor. 1485 Comment
  CAS-BOT-BC462785  Pyrola dentata F. B. Cayot 1913-8-12 19219 Plumas Three Mile Valley, Plumas Forest 1828 Comment
  RSA0080596  Pyrola dentata E. K. Balls 1950-8-30 15508 Plumas 0.5 mile west of Feather River Experiment Station, Quincy. 1067 Comment
  UC570361  Pyrola picta G. T. Nordstrom 1934-7-3 187 Plumas 3/4 mi sw of Mount Ararat; Plumas National Forest 1706 Comment
  CAS-BOT-BC466007  Pyrola picta Anna Head 1921-7-11 s.n. Plumas Indian Peak, Feather River Region Comment
  SEINET10449179  Pyrola picta Mary Susan Taylor 1981-7-21 Taylor 4078 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  CAS-BOT-BC362267  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1962-6-17 37716 Plumas Portola 1463 Comment
  JEPS101250  Pyrrocoma hirta var. lanulosa Dean W. Taylor 2000-8-12 17549 Plumas Camp 14 (ca. 5 air miles SE from Antelope Lake), drainage of Last Chance Creek, along Forest Road 26N07 1694 Comment
  CHSC36866  Pyrrocoma lanceolata var. lanceolata M. S. Taylor 1982-8-27 5044 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  CAS-BOT-BC328157  Pyrrocoma lucida John Thomas Howell 1961-9-25 36957 Plumas Portola, Sierra Nevada 1478 Comment
  CAS-BOT-BC328158  Pyrrocoma lucida John Thomas Howell 1959-9-25 35007 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1493 Comment
  CHSC65802  Pyrrocoma lucida L. P. Janeway 1993-8-10 4511 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  SD90413  Pyrrocoma lucida R. F. Thorne, C. W. Tilforth 1969-9-6 39238 Plumas Bank of Feather River, 1 mile southwest of Beckwourth 1355 Comment
  UCR57894  Pyrrocoma lucida R. D. Goeden, Don W. Ricker 1989-8-22 890822- 5 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, Frenchman Lake 1704 Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  JEPS34394  Quercus durata var. durata Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8870 Plumas n side Feather River Canyon (at Rich Bar); Rich Bar 762 Comment
  JEPS37825  Quercus garryana var. semota W. L. Jepson 1910-6-18 4153 Plumas Belden North Fork of the Feather River Comment
  UCD46127  Quercus garryana var. semota E. Nourse 1934-8-1 5 Plumas one mile northwest of Silver Creek. 1432 Comment
  CAS-BOT-BC105311  Quercus kelloggii Mrs. E. C. Suttiffe 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC105317  Quercus kelloggii C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  UCD46621  Quercus kelloggii Dean Ahrenholtz 1964-5-9 15 Plumas Indian Creek Canyon, Plumas County, California. Comment
  SEINET10431527  Quercus kelloggii R. J. Holl 1949-5-28 s.n. Plumas 3 miles N of Quincy. 1036 Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 Comment
  CHSC102042  Quercus vacciniifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16217 Plumas On dry rocky soil, south of a drainage from a snow lake, about 100 yards north of the 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
  CHSC94020  Quercus vacciniifolia R. D. Fischer 2005-9-5 666 Plumas Location about 1 miles south of Sunflower Flat trail head at end of county road 26N31 in mixed coniferous forest. Plants growing on an open rocky ridge on what appeared to be a serpentine outcrop. 1828 Comment
  SD225861  Quercus vacciniifolia John M. Tucker 1948-7-24 1733 Plumas About 1/4 mi. below the Camel Peak Lookout, along the road 1676 Comment
  UC1135796  Quercus vacciniifolia F. W. Embree 1934-6-6 79 Plumas 1 mi s, 0.25 mi w Rutherford; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  JEPS55137  Ranunculus alismifolius var. alismifolius W. L. Jepson 1910-6-14 4127 Plumas Prattville 1310 Comment
  CHSC98349  Ranunculus alismifolius var. hartwegii L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  SEINET10535960  Ranunculus alismifolius var. hartwegii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4338 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC584336  Ranunculus andersonii G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2147 Plumas Beckwith Peak Sierra Valley (e side) Comment
  SD8189  Ranunculus californicus Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  SEINET7720819  Ranunculus cymbalaria Unknown Plumas Goose Lake Valley 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
  CHSC108715  Ranunculus flammula var. ovalis B. Castro; L. P. Janeway 2003-9-7 1457 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. At a pair of ponds, at E edge of smaller upper pond ca 8 ft above water's edge. 2063 Comment
  HSC31374  Ranunculus occidentalis var. occidentalis Larry E. DeBuhr, G. Wallace 1972-5-21 592 Plumas Plumas National Forest 1.0 mi. SW of Keddie in Butterfly Valley 1189 Comment
  UC1126212  Ranunculus orthorhynchus var. orthorhynchus P. G. Haddock 1938-5-29 2 Plumas Little Schneider Plumas National Forest, Bidwell Bar Quadrangle 1158 Comment
  CHSC60918  Ranunculus populago Vernon H. Oswald 1993-6-17 5549 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. Bordering a large meadow. 1597 Comment
  CAS-BOT-BC59568  Rhamnus John Thomas Howell 1976-7-20 52037 Plumas Sierra Nevada - south end of Lake Almanor 1371 Comment
  CAS-BOT-BC56575  Rhododendron columbianum Walter Knight; Irja Knight 1966-6-18 1289 Plumas Butterfly Valley 1143 Comment
  SBBG33901  Rhododendron neoglandulosum L. S. Rose 1969-6-24 Plumas Butterfly Valley, 5 mi W of Keddie 1310 Comment
  CHSC21667  Rhododendron occidentale D. Brink; L. Mayer 1975-7-12 Plumas Comment
  CHSC104763  Rhus glabra L. P. Janeway 2010-7-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. 532 Comment
  UCSB63768  Rhynchospora californica Janeway, L. 1998-9-10 Plumas Crescent Mills quad.: T25N, R9E, NE1/4 of SE1/4 of sec. 20; Butterfly Valley Botanical Area; upper edge of darlingtonia bog (Sweetwater Marsh); just below Road 25N47; 0.3 mi. south of Road 417 1173 Comment
  RSA246600  Rhynchospora capitellata Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42344 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  RSA600534  Rhynchospora capitellata L. C. Wheeler 1959-7-16 7572 Plumas Butterfly Valley. Comment
  SD134047  Rhynchospora capitellata Peter Rubtzoff 1962-10-15 Plumas Butterfly Valley. Comment
  CHSC54489  Ribes inerme var. inerme Vernon H. Oswald; Lowell Ahart 1991-7-30 4798 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CAS-BOT-BC219215  Ribes nevadense Walter & Irja Knight 1967-5-22 1906 Plumas Mouth of Butterfly Creek 883 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
  CAS-BOT-BC219228  Ribes nevadense W. I. Follett 1946-4-7 s.n. Plumas Feather River Canyon 670 Comment
  CDA13445  Ribes nevadense G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13292 Plumas Sierra Nevada; on USFS 23N11A. Ridge between Bull Run Creek and S Fk. Long Valley Creek. Comment
  CHSC46657  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On broken rocks, near low cliffs, on the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  SBBG22416  Ribes roezlii C. B. Hardham 1961-6-16 7438 Plumas Diamond Peak [Diamond Mountain] Comment
  UC1127551  Ribes roezlii C. W. Hanks 1934-9-18 83 Plumas n Sierra Valley (near Plumas National Forest); Sierraville Quadrangle Comment
  UC1127577  Ribes roezlii D. Axelrod 1934-6-4 4 Plumas American House Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC186234  Ribes roezlii var. roezlii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54106 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CHSC52955  Ribes roezlii var. roezlii L. P. Janeway 1989-6-20 3354 Plumas East-facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  CHSC87612  Ribes roezlii var. roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  CAS-BOT-BC168784  Ribes viscosissimum Rimo Bacigalupi 1923-6-14 s.n. Plumas At base of Mt. Fillmore on road between Gibsonville and Johnsonville, Sierra-Plumas Co. boundary. 1981 Comment
  CHSC117551  Ribes viscosissimum Lowell Ahart 2016-7-9 21101 Plumas South side of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  CHSC35942  Rigiopappus leptocladus M. S. Taylor 1982-6-28 4771 Plumas At edge of dirt rd paralleling Hwy 70, just w of Calpine Rd (109), Ramelli Ranch, ca. 1 mi w of Beckwourth. 1487 Comment
  JEPS53827  Rorippa W. L. Jepson 1927-6-23 12311 Plumas lower end Warner Creek Valley; lower end Warner Creek Valley 1524 Comment
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59250  Rorippa curvisiliqua E. K. Balls 1950-8-31 15549 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CAS-BOT-BC74639  Rorippa curvisiliqua L. P. Janeway 1992-11-4 4322 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Department. 1755 Comment
  CHSC113606  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-9-9 19836 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
  CHSC59704  Rorippa curvisiliqua var. orientalis L. P. Janeway 1992-11-4 4322 Plumas Plumas National Forest. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y). Lake shore, below high water level. 1755 Comment
  JEPS102610  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-16 9381 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS113591  Rorippa curvisiliqua var. orientalis Lowell Ahart, Josephine Guardino 2007-7-20 14328 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS115332  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
  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
  CDA26254  Rosa bridgesii L. Ahart, J. Dittes, J Guardino, Robert A. Schlising 2004-7-3 11174 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CHSC87832  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10999 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  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-BC148163  Rosa gymnocarpa John Thomas Howell 1951-8-19 28186 Plumas Greenville 1097 Comment
  CDA34171  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-15 16078 Plumas On the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butte Valley Reservoir Dam. Comment
  JEPS102353  Rosa gymnocarpa Lowell Ahart 2001-7-19 8944 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 Comment
  RSA609440  Rosa gymnocarpa Louis C. Wheeler 1958-7-30 7351 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 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
  SEINET13710062  Rosa woodsii var. ultramontana Lowell William Ahart, Lowell William Ahart 2001-1 9202 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  RSA184931  Rubus leucodermis L. S. Rose 1966-7-26 66051 Plumas Butterfly Creek and Spanish Creek. 1 mile S of Keddie. 991 Comment
  CHSC40620  Rumex acetosella Lowell Ahart 1985-9-26 5170 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 northeast of lLa Porte. 1584 Comment
  CHSC75522  Rumex acetosella G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3159 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC422043  Rumex acetosella Lewis S. Rose 1968-6-10 68093 Plumas Quincy 1036 Comment
  CAS-BOT-BC433760  Rumex pulcher John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2358 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  CHSC73982  Rumex salicifolius var. triangulivalvis B. Castro; L. Gehrung, H. Durio 1996-7-3 669 Plumas Placer Diggings site, ca 4 air mi NE of La Porte, 0.5 mi SE of the South Branch of Slate Creek, and 1.6 mi W of HowlandFlat, W of Co. Rd 690. Along perennial tributary to Sacketts Gulch, in drying soil around edge of pond downslope from spring. 1566 Comment
  JEPS114529  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas West side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of LaPorte 1613 Comment
  CHSC113870  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Resrvoir, 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
  JEPS51063  Sagina saginoides W. L. Jepson 1924-7-22 10617 a Plumas Middle Fork Feather R., Rich Point 1097 Comment
  JEPS88517  Sagina saginoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8012 Plumas e. side of arm of, extending n. from Hwy. 36 causeway Lake Almanor (s. of point where rd. to Last Chance Campground (28N11) begins to parallel the lake); High Cascade Range 1371 Comment
  RSA52908  Sagittaria cuneata R. Weatherby 1950-7-28 1501 Plumas At edge of Taylorsville (near Mt. Hough Road). 1067 Comment
  CHSC33939  Sagittaria latifolia M. S. Taylor 1981-8-5 4165 Plumas Indian Valley, s side of Hwy 105, 1.5 mi e of its jct with Hwy 80 just n of Crescent Mills. 1066 Comment
  CAS-BOT-BC445747  Sagittaria latifolia Walter Knight; Irja Knight 1966-6-19 1720 Plumas Butterfly Botanical Area and Vicinity Comment
  CAS-BOT-BC445748  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1391 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC69163  Sagittaria rigida Vernon Oswald 1997-8-1 8809 C Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  RSA31765  Salix boothii A. A. Heller 1942-8-3 16513 Plumas The Drinking Fountain above Little Hot Springs. Lassen Park. Comment
  CHSC54416  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located on the south border of the park, ca. 2.5 miled (air) south-southeast of Drakesbad. 1828 Comment
  CHSC74122  Salix eastwoodiae J. Jurewicz 1992-9-22 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi E of USFS Rd 23N15 at 'Green's Flat' site. 1712 Comment
  UC440202  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9334 Plumas s side of main lake Bear Lakes 1981 Comment
  OBI2891  Salix exigua Lewis S. Rose 1968-6-10 68090 Plumas Quincy 1036 Comment
  CAS-BOT-BC107962  Salix geyeriana Corbin 1998-7-26 2796 Plumas Meadow S. of Clover Valley 1676 Comment
  CAS-BOT-BC107971  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  CHSC117466  Salix geyeriana B. Castro; Robin Carter 2010-7-17 1827 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station: site on maps. On S edge of creek, ca 100 ft downstream of dam outlet just NW of lone Ponderosa pine. 1499 Comment
  JEPS15366  Salix geyeriana W. L. Jepson 1939-8-14 19415 Plumas Willow Creek 1828 Comment
  CAS-BOT-BC128181  Salix lasiandra subsp. caudata Anna Head 1920-6-30 s.n. Plumas Lake Center Camp - Feather River region 1920 Comment
  CAS-BOT-BC125302  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC125314  Salix lasiandra var. lasiandra John Thomas Howell 1959-9-24 34941 Plumas Butterfly Creek near mouth Comment
  CAS-BOT-BC125322  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1477 Plumas In Butterfly Canyon along roadside. 1036 Comment
  JEPS14869  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-30 Plumas near rd. into U.C. Forestry Camp (gravel pit n. of Meadow Valley Creek) 1158 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-BC128440  Salix lasiolepis var. lasiolepis John Thomas Howell 1973-7-10 49744 Plumas Open yellow pine forest near Greenville - Sierra Nevada 1097 Comment
  CAS-BOT-BC124805  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather River about 5 miles southwest of Prattville Comment
  CHSC9575  Salix lemmonii E. L. Smith 1971-4-28 949 Plumas N city limits in Quincy. 1043 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  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
  UC481907  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC482041  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 397 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CAS-BOT-BC128273  Salix lucida Michael A. Vincent 1999-6-7 8535 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA rt. 70. Comment
  RSA716802  Salix lucida subsp. lasiandra L. Ahart, John Dittes 2005-9-20 12453 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  CAS-BOT-BC129352  Salix melanopsis unspecified 1931-5-27 7 Plumas Plumas Meadows Comment
  CAS-BOT-BC129399  Salix melanopsis L. S. Smith 1931-5-27 6 Plumas Last Chance Creek Comment
  SBBG57918  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester, at hwy bridge 1350 Comment
  SJSU7514  Salix melanopsis Lewis S. Rose 1968-6-10 Plumas Quincy Meadow 1036 Comment
  CAS-BOT-BC129090  Salix scouleriana Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC129096  Salix scouleriana Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1834 Plumas Butterfly Canyon - Butterfly Botanical Area and vicinity. Comment
  CAS-BOT-BC176986  Salsola tragus John Thomas Howell 1959-9-25 34997 Plumas 2 miles east of Portola 1484 Comment
  CAS-BOT-BC235029  Sambucus Rimo Bacigalupi 1927-7-8 1658 Plumas Western edge of Long Lake Comment
  CAS-BOT-BC238845  Sambucus nigra subsp. caerulea Thomas H. Kearney 1944-8-14 144 Plumas Near Prattville, Lake Almanor Comment
  UC114597  Sanguisorba annua unknown 1892-7-4 Plumas Prattsville Comment
  UC1532352  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas 1.3 mi N of Four Trees (Oroville--Quincy Hwy) 1615 Comment
  SD107288  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 miles west of road to Snake Lake, departing northwest of Highway 89 around 2 miles north of Quincy. 1280 Comment
  SEINET13945235 Image available Sanicula nevadensis A. A. Heller 1915-1 12061 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  CHSC115163  Sanicula tuberosa Lowell Ahart 2015-6-7 20209 Plumas On the west side of the dirt road, Lava Top, about 2-1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 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
  JEPS120771  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  JEPS113935  Sarcobatus vermiculatus W. and N. Harnach 2000-8-23 997 Plumas Sierra Valley 1 miles west of the Steel Bridge on Marble Lane. Comment
  UC1121105  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/34 miles S S E of Grizzly Peak 1554 Comment
  UC570336  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/4 mi. s.e. Grizzly Peak; Plumas Nat'l Forest 1554 Comment
  CDA38883  Sarcodes sanguinea R. Wilkey 1959-5-16 2380 Plumas Buck s Lake. 0 Comment
  RSA255807  Sarcodes sanguinea Gary D. Wallace, Larry E. DeBuhr, G. Ansley Wallace 1972-5-21 1060 Plumas North end of the Sierra Nvada. Ca. 1.5 mi. E of jct. of Hwys. 89 & 70. Comment
  RSA300175  Schedonorus pratensis J. T. Howell, I. Knight, Walter Knight, Gordon H. True 1967-7-10 2194 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity. 884 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
  CHSC54538  Schoenoplectus subterminalis Vernon H. Oswald 1991-8-5 4804 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On the east side of the lake. 1844 Comment
  CAS-BOT-BC35590  Scirpus congdonii Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 2088 Plumas Butterfly Botanical Area, near spring 1127 Comment
  CHSC90300  Scirpus diffusus L. P. Janeway 1994-8-24 4744 Plumas Northern High Sierra Nevada. Along small creeklet about 500 ft south of Meadow Valley Creek between Little Schneider Creek and Rock Creek. 1127 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  CAS-BOT-BC111002  Scirpus microcarpus John Thomas Howell 1961-9-22 36795 Plumas Work Creek, Greenville 1088 Comment
  CHSC52746  Scirpus microcarpus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS114818  Scirpus microcarpus Lowell Ahart 2008-8-14 15210 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoi 1600 Comment
  CAS-BOT-BC238463  Scrophularia John Thomas Howell 1977-8-11 52684 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  POM69941  Scutellaria antirrhinoides Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET7718227  Scutellaria antirrhinoides Unknown Plumas American Valley Comment
  RSA189341  Scutellaria siphocampyloides L. S. Rose 1967-7-11 67156 Plumas Quincy Junction. 976 Comment
  CAS-BOT-BC61497  Sedum albomarginatum Arthur Menzies 1951-8-19 s.n. Plumas Grown from plant collected at Canyon of N. Fork of Feather River, Hwy. US Alt. 40. 365 Comment
  CHSC102069  Sedum spathulifolium Lowell Ahart; John Dittes 2009-7-15 16096 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
  CHSC81366  Sedum spathulifolium L. P. Janeway 1996-5-7 4964 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 0.3 mi northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. 902 Comment
  CAS-BOT-BC341176  Senecio hydrophiloides L. P. Janeway; Garrett Gibson 1991-6-12 4001 Plumas Plumas National Forest, Beckwourth Ranger District. Along Poco Creek, ca 0.8 mi northeast of Red Clover Creek (off the northwest end of Red Clover Valley) 1664 Comment
  CAS-BOT-BC363727  Senecio hydrophilus W. Harnach; N. Harnach 1991-6-30 599 Plumas Sierra Valley. Approx. 1 mile south of the Steel Bridge on Marble lane 1486 Comment
  CAS-BOT-BC363728  Senecio hydrophilus L. P. Janeway; Jannice Cutler 1992-5-26 4203 Plumas Plumas National Forest, Beckwourth Ranger District. Ca. 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove 1761 Comment
  SEINET3148726  Senecio hydrophilus E. K. Balls 1950-9-6 15685 Plumas Road from Quincy to East Quincy 1097 Comment
  CHSC112528  Senecio integerrimus var. exaltatus B. Castro; L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels, in sagebrush meadow flats ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  CHSC98353  Senecio integerrimus var. exaltatus L. P. Janeway 2007-5-20 8986 Plumas Northern High Sierra Nevada. Along road to the top of Red Hill, about 0.2 km due north of the summit. 1902 Comment
  CDA14138  Senecio integerrimus var. major G. F. Hrusa 1997-5-3 13828 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CDA18478  Senecio integerrimus var. major G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3246 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CHSC112595  Senecio vulgaris Lowell Ahart 2013-9-11 19027 A 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
  CHSC90299  Sericocarpus oregonensis L. P. Janeway 1994-8-20 4739 Plumas Northern High Sierra Nevada. About 0.5 mi northeast of Mt. Ararat; along Road 23N19 2.5 mi south of Road 23N60. 1729 Comment
  CHSC71645  Sidalcea gigantea Vernon H. Oswald 1998-8-11 9482 Plumas West of Bucks Lake near Little Grizzly Creek paralleling the south edge of Oroville-Quincy Hwy 3.2 mi west of Grizzly Creek Campground. 1645 Comment
  UC1873584  Sidalcea gigantea L. P. Janeway 1996-8-15 5069 Plumas Along the Oroville-Quincy Hwy, 1.1 mi west of Grizzly Creek; between the road and Little Grizzly Creek 1645 Comment
  JEPS46168  Sidalcea glaucescens W. I. Follett 1936-6-29 Plumas Rich Gulch Comment
  UC1950094  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester Comment
  SEINET10480007  Sidalcea malviflora subsp. asprella Mary Susan Taylor 1982-6-1 Taylor 4576 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  HSC87161  Sidalcea oregana J. Detzer, M. Sacks 1977-6-8 12 Plumas E side of FS Rd., 4.8 km S of Laufmen Ranger Station 1833 Comment
  CHSC21704  Sidalcea oregana subsp. spicata F. T. Griggs; A. Pass 1975-8-2 289 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS113419  Sidalcea oregana subsp. spicata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14461 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  RSA756343  Sidalcea oregana subsp. spicata Barbara Ertter 1988-7-25 7843 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  CHSC82094  Silene bernardina L. P. Janeway 2001-8-5 7423 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  SDSU3012  Silene bridgesii D. F. Howe 1964-7-29 3893 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CAS-BOT-BC386991  Silene douglasii E. K. Balls 1950-9-1 156166 Plumas East of Long Lake, above meadow leading down to two smaller lakes. 2133 Comment
  CAS-BOT-BC386982  Silene douglasii M. S. Taylor 1982-8-5 4924 Plumas Mt. Hough summit, ca. 7 air mi nne of Qunicy 2203 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-BC181340  Silene latifolia John Thomas Howell 1963-6-3 39385 Plumas Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC181346  Silene latifolia J. Budaj 1967-6-9 s.n. Plumas Small patch of scatterd plants 200 yds. n. of the High School, Quincy Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CHSC43411  Silene lemmonii Lowell Ahart 1975-7-16 887 Plumas West of the South Fork of the Feather River, about 1 mile south-west of the Feather Fork Mine, about 5 miles north of La Porte. 1828 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
  CHSC79476  Silene lemmonii G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13203 Plumas Northern California. Sierra Nevada - Plumas National Forest. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  CAS-BOT-BC389396  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River 1554 Comment
  CAS-BOT-BC389563  Silene nuda Mary Strong Clemens 1920-9-1 s.n. Plumas Genesee Comment
  SD8101  Silene occidentalis Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  JEPS50947  Silene occidentalis subsp. occidentalis R. H. Platt 1891-1 Plumas the Sierras Comment
  UC465660  Silene occidentalis subsp. occidentalis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  JEPS107718  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-9-20 12447 Plumas The southwest area of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  RSA232871  Sisyrinchium elmeri Lewis S. Rose 1968-6-11 68104 Plumas Butterfly Valley, 4 mi S of Keddie. 1037 Comment
  SD147665  Sisyrinchium halophilum Fred Sommers, Greg Sommers 1976-6-11 1393 Plumas Sierra Valley Marsh, in field on south side of Dyson Lane, 1 km east of metal bridge. 1524 Comment
  UCD128139  Sium suave Malcolm A. Nobs; S. Galen Smith 1949-8-19 1458 Plumas Southeastern side of Portola. Comment
  SD9116  Solidago canadensis subsp. elongata Daniel Cleveland 1882-7-26 Plumas Big Meadows Comment
  JEPS88434  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-1 8135 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn. 1463 Comment
  UC1075633  Solidago elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy 1036 Comment
  SDSU533  Solidago spectabilis D. F. Howe 1961-8-4 3133 Plumas East side of Lake Almanor, 6 miles from junction with #89 at south end of lake. 1372 Comment
  CHSC41782  Solidago velutina subsp. californica C. A. Janeway 1986-8-19 Plumas 7.4 mi. south of Antelope Lake Dam on north side of gravel road. 1353 Comment
  CAS-BOT-BC374401  Sonchus asper John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2369 Plumas Canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CAS-BOT-BC157309  Sorbus californica A. A. Heller 1915-7-7 12059 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA11937  Sorbus californica G. F. Hrusa, J. Dinsdale 1989-6-27 7219 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC21104  Sorbus scopulina F. T. Griggs; A. Pass 1975-7-1 1 Plumas Buck's Lake Forest Service Survey. East of Grizzly Creek. Comment
  CHSC36916  Sparganium emersum subsp. emersum M. S. Taylor 1982-8-17 5007 Plumas In Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  CHSC40651  Spergula arvensis subsp. arvensis Lowell Ahart 1985-9-26 5178 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
  SEINET10537500  Spergularia rubra Lowell Ahart 1985-7-11 Ahart 5129 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
  SEINET11933015  Spergularia rubra W. Knight, Knight, I. 1983-1 4920 Plumas near confluence of North Fork of Feather Ri., and Warner Creek, between Drakesbad and Chester 1494 Comment
  CAS-BOT-BC374762  Sphaeromeria potentilloides var. potentilloides Peter H. Raven 1963-5-28 18421 Plumas Flats 1.1 miles east of Beckwourth Comment
  JEPS46110  Spiraea densiflora Duncan Dunning 1922-7-16 Plumas 4 mi n Gibsonville; Onion Valley Comment
  UCR106890  Spiraea densiflora L. C. Wheeler 1952-9-24 6960 Plumas Plumas 5: mine area in vicinity of Crescent Mills Comment
  JEPS45012  Spiraea douglasii W. L. Jepson 1918-8-16 8009 Plumas Engels; Lights Creek 1341 Comment
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  RSA519220  Spiraea douglasii M. Lee Overholtzer 1961-8-24 187 Plumas Queen Lily Camp Ground on N Fork of Feather River. Sierra Nevada Mtn range. Feather River drainage. 737 Comment
  UCD33601  Spiraea douglasii Beecher Crampton 1970-6-25 8631 Plumas Quincy. 1066 Comment
  CAS-BOT-BC152536  Spiraea splendens Anna Head 1921-7-20 s.n. Plumas Lake Center Camp, Feather River Region Comment
  JEPS114559  Spiranthes porrifolia Lowell Ahart 2008-8-13 15179 Plumas North side 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 LaPorte 1613 Comment
  UC1075680  Spiranthes stellata Robert J. Weatherby 1950-7-21 1480 Plumas near Quincy; Butterfly Valley 1219 Comment
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Sep 30 2013
  POM312468  Spirodela polyrhiza H. L. Mason 1953-7-8 14561 Plumas 4 miles northwest of Loyalton Comment
  JEPS114608  Stachys ajugoides var. rigida Lowell Ahart 2008-9-10 15379 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
  SEINET8037313  Stachys albens M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77 /68/8 Plumas Road from Chilcoot along Last Chance Creek to Frenchman's. 1707 Comment
  CHSC99986  Stachys pycnantha L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9598 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 Comment
  UCD13371  Stanleya viridiflora A. M. Shapiro 1996-7-24 s. n. Plumas Plumas Co., SW corner of junction of Dyson Lane and Sierra Valley Rd., 2 miles W. of Hwy 49, 4 miles N. of Leyalton. 1600 Comment
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Feb 13 2014
  CAS-BOT-BC175329  Stellaria borealis subsp. sitchana John Thomas Howell 1960-7-21 35846 Plumas NW. of Willow Lake, Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC181387  Stellaria calycantha Mary Strong Clemens 1920-8-1 s.n. Plumas Greenville Comment
  CAS-BOT-BC181388  Stellaria calycantha Mrs. Jos Clemens 1920-8-16 s.n. Plumas Homer Lake, near Greenville Comment
  CHSC41390  Stellaria crispa Lowell Ahart 1986-7-1 5330 Plumas Along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  CAS-BOT-BC391187  Stellaria longipes subsp. longipes John Thomas Howell 1951-6-27 27587 Plumas McRae Meadow 1981 Comment
  CAS-BOT-BC391188  Stellaria longipes subsp. longipes John Thomas Howell 1976-7-16 51900 Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  UCD99322  Stellaria longipes subsp. longipes John Thomas Howell 1960-7-18 35516 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC391181  Stellaria longipes subsp. longipes Anna Head 1921-7-17 s.n. Plumas Gray Eagle Meadow, Feather River Region Comment
  CDA3541  Stellaria nitens L. P. Janeway 1996-6-2 4977 Plumas Northern High Sierra Nevada; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CHSC52765  Stenotus acaulis L. P. Janeway 1990-7-4 3763 Plumas Northwest slope overlooking SW corner of Frenchman Lake, 0.2 mi W of the dam. 1722 Comment
  CAS-BOT-BC5619  Stenotus acaulis Amos Arthur Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover Valley. Comment
  JEPS95057  Stephanomeria elata Lowell Ahart 1997-9-11 7913 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of the North Fork of Feather River, at the elevaed siphon); North Fork of Feather River, Caribou Road 731 Comment
  CAS-BOT-BC375663  Stephanomeria paniculata John Thomas Howell 1951-8-20 28209 Plumas Between Taylorsville and Genesee 1097 Comment
  CAS-BOT-BC322969  Stephanomeria tenuifolia Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS122341  Stipa stillmanii Lowell Ahart 2014-9-9 19860 Plumas On the west side of Sly Creek, Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. Comment
  LA51449  Streptanthus tortuosus J. A. Ewan; 1934-7-17 8542 Plumas Sierra Nevada, above Long Lake, Mt. Elwell region 2072 Comment
  JEPS95604  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles S of Pilot Peak 2011 Comment
  CHSC20587  Styrax officinalis var. redivivus Robert A. Schlising 1965-5-15 2820 Plumas Along highway 70, 3.7 miles north of county line; in valley of North Fork, Feather River. Comment
  CAS-BOT-BC48098  Styrax redivivus P. Monnet 1913-5-2 655 Plumas Sierra Nevada - Feather River Canyon Comment
  UC586851  Swertia albicaulis var. nitida Joseph Andorfer Ewan 1934-7-6 8181 Plumas w slope Penman Peak 1524 Comment
  RSA8029  Symphoricarpos acutus H. A. Barker 1927-7-3 768 Plumas Between Gold Lake and Blairsden. 1677 Comment
  CHSC102659  Symphyotrichum bracteolatum Lowell Ahart; John Dittes 2009-8-28 16353 A 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
  CHSC112506  Symphyotrichum bracteolatum L. P. Janeway 2014-7-16 11550 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 <