Search Results — 2000 specimen records retrieved (1437 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77980  Abies concolor Walter Knight; Irja Knight; John Thomas Howell 1598 Plumas Fern Glen 1097 Comment
  RSA384210  Abies concolor B. C. Templeton 1967-4-24 s.n. Plumas About 16 miles E of Quincy. Comment
  UC336753  Abies concolor unknown Plumas Thompson's Quincy Comment
  UCD19139  Acer glabrum W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC330978  Acer glabrum var. glabrum Rimo Bacigalupi 1927-7-8 1659 Plumas Ridge SW of Long Lake 2255 Comment
  CAS-BOT-BC330984  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  CAS-BOT-BC330988  Acer glabrum var. glabrum Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC54312  Acer glabrum var. torreyi Vernon Oswald; Lowell Ahart 1991-6-18 4692 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. 1920 Comment
  RSA29665  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  CAS-BOT-BC333233  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  CAS-BOT-BC28733  Achillea millefolium J. T. Howell; Gordon H. True 1973-7-31 50141 Plumas On road from Janesville to Thompson Peak, Diamond Range 1905 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  CAS-BOT-BC28736  Achillea millefolium Javier Penalosa 1962-6-19 2494 Plumas Hwy 40-89, 6.2 miles SE of Quincy 1097 Comment
  CDA26553  Achnatherum lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13494 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  UC1137070  Achnatherum lemmonii August L. Hormay 1932-6-11 Plumas Long Canyon Plumas National Forest, Long Canyon Comment
  RSA88117  Achnatherum lemmonii var. lemmonii J. T. Howell 1951-6-29 27745 Plumas Spring Garden Creek. 1159 Comment
  CDA14039  Achnatherum occidentale subsp. californicum G. F. Hrusa, T. D. Wilfred 1996-8-1 13411 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Occasional bunchgrass in open sites. Comment
  CDA14146  Achnatherum occidentale subsp. californicum G. F. Hrusa 1997-5-3 13836 Plumas Sierra Nevada; Occasional +- bunching perennial in dry, shrub-dominated areas near summit of hill on E side of Rattlesnake Creek, 1/2 mi. S of Hwy 70, and approx. 15 mi. E of Quincy. Comment
  CHSC67749  Achnatherum stillmanii James D. Jokerst 1985-6-10 2405 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  UCD51433  Achnatherum thurberianum August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest, near RR plots. Comment
  CHSC33922  Achnatherum webberi J. D. Jokerst; R. A. Schlising 1981-8-2 1450 Plumas At the N edge of the wide ridge ca 1.0 mi NE of Humboldt Peak. Ca 100 met E of where Pacific Crest Trail reaches the ridge top. 2029 Comment
  CHSC52488  Achnatherum webberi L. P. Janeway 1989-6-30 3448 Plumas Plumas National Forest. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  CHSC24257  Acmispon americanus var. americanus K. R. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  CHSC53140  Acmispon americanus var. americanus L. P. Janeway 1989-6-20 3346 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1691 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
  CHSC110368  Actaea rubra Lowell Ahart 2012-9-5 18433 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  SEINET10573315  Actaea rubra subsp. arguta Taylor 1981-6-2 Taylor 3828 Plumas By creek 1189 Comment
  CAS-BOT-BC29833  Adenocaulon bicolor John Thomas Howell 1960-7-21 35835 Plumas NW of Willow Lake 1706 Comment
  JEPS111009  Aegilops cylindrica J. Battagin 1989-6-29 Plumas Butterfly Valley (Mail boxes) 1066 Comment
  SBBG29872  Agastache urticifolia E. Crum 1937-8-7 1947 Plumas 3 mi W of Lake Almanor 1524 Comment
  UC1124435  Agastache urticifolia E. Sawyer 1935-6-27 170 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quad. Comment
  CAS-BOT-BC29600  Agoseris X dasycarpa W. Harnach; N. Harnach 1989-6-29 197 Plumas Sierra Valley, Marble Lane. 1487 Comment
  CAS-BOT-BC22924  Agoseris heterophylla John Thomas Howell 1951-6-27 27578 Plumas Johnsville 1584 Comment
  JEPS113563  Agoseris monticola Lowell Ahart, John Dittes 2007-6-17 14167 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC13244  Agoseris monticola J. T. Howell 1960-7-21 35802 Plumas Lassen Volcanic National park, Drakesbad 1828 Comment
  SEINET10566205  Agropyron William E. Harmon 1968-8-18 Harmon 1556 Plumas 1.5 mi e of quincy, on hwy 70-89, from roadside in open valley with adjacent Pasture land. 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
  CAS-BOT-BC162045  Agrostis Fred Sommers; Greg Sommers 1976-7-20 177 Plumas Marble Hot Springs Area Sierra Valley Marsh. Marble Lane. 1487 Comment
  CAS-BOT-BC127494  Agrostis capillaris John Thomas Howell 1955-7-19 30828 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CAS-BOT-BC127498  Agrostis capillaris Lowell Ahart 1987-9-22 5890 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  CAS-BOT-BC127078  Agrostis exarata Lowell Ahart 1977-7-9 1522 Plumas 0.5 mile below the Bunker Hill Mine which is about 10 miles northeast of La Porte. 1800 Comment
  CAS-BOT-BC127084  Agrostis exarata John Thomas Howell 1976-7-16 51905 Plumas Sierra Nevada. On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC127088  Agrostis exarata Thomas H. Kearney 1944-8-14 4 Plumas Near Prattville, Lake Almanor. Comment
  JEPS110544  Agrostis exarata Lowell Ahart 2006-10-23 13492 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  CAS-BOT-BC127090  Agrostis exarata John Thomas Howell 1959-9-22 34845 Plumas Drakesbad. 1737 Comment
  JEPS116107  Agrostis gigantea Lowell Ahart, John Dittes 2009-7-27 16174 Plumas On damp soil, bottom and sides of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  SEINET200169  Agrostis gigantea Malcolm A Nobs, S Galen Smith 1949-8-18 1382 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester Comment
  CHSC70824  Agrostis idahoensis B. Castro 1994-9-9 545 A Plumas Ca 1 air mi S of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy, by springs surfacing on slope above Haskins Valley USFS Summer Hone Tract cabins. 1655 Comment
  CAS-BOT-BC138713  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CHSC24271  Agrostis scabra K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  UCD53343  Agrostis scabra Beecher Crampton 1964-8-25 7158 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CHSC105966  Agrostis stolonifera Lowell Ahart 2010-9-9 17147 Plumas Along the south side of Quincy La Porte Road, about 30 yards southwest of where the road crosses Onion Valley Creek, Onion Valley, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  CHSC94220  Agrostis thurberiana Lowell Ahart 2006-7-9 12930 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS125873  Agrostis thurberiana Dean W. Taylor 2001-8-1 17859 Plumas Spring at N base of Pilot Peak, ca 10 air miles S of Quincy, along Forest Road 22N84X about 0.2 miles N of the Pilot Mine site. Comment
  CHSC92275  Agrostis variabilis Lowell Ahart; Josephine Guardino 2005-8-10 12324 Plumas Bog in a small wet meadow, a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  SEINET10839445  Allium Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3877 A Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CAS-BOT-BC459424  Allium acuminatum John Thomas Howell; Gordon H. True 1967-7-11 43295 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough, Sierra Nevada 1249 Comment
  CAS-BOT-BC461098  Allium anceps John Thomas Howell; H. Keith Wagnon no date listed on sheet 53629 Plumas about 1.5 miles northwest of Alamanor (near intersection of Hwy 89 and Humboldt Road), Sierra Nevada 1389 Comment
  CHSC21331  Allium campanulatum F. T. Griggs; A. Pass 1975-7-8 102 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET260553  Allium campanulatum M. Cutler, J Cutler 1992-6-2 Plumas Plumas National Forest ; Ca 12.5 mi NW of Quincy; Bucks Lake Rd to Spanish Ranch; FS 25N17 then 25N59 to stand #108 1585 Comment
  CAS-BOT-BC466470  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville Comment
  CAS-BOT-BC466606  Allium campanulatum H. C. Cantelow 1939-5-20 2554 Plumas Indian Highway 11 mi. s.e. of Prattville Comment
  CAS-BOT-BC466613  Allium campanulatum John Thomas Howell 1960-7-18 35604 Plumas Dry rocky slope near hot springs, Drakesbad 1828 Comment
  CAS-BOT-BC466619  Allium campanulatum Walter Knight; Irja Knight 1966-6-18 s.n. Plumas Butterfly Valley 1143 Comment
  RSA101470  Allium campanulatum R. Weatherby 1955-7-2 1569 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  SD46738  Allium campanulatum Robert J. Weatherby 1955-7-2 1569 Plumas In volcanic gravel on dry exposed ridge, Bear Ridge near Taylor Lake. 2194 Comment
  CAS-BOT-BC205714  Allium lemmonii James R. Shevock 1985-5-19 11147 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  UC1523725  Allium lemmonii Gary Schoolcraft 1983-5-24 949 Plumas w side of Sierra Valley Sierra Valley 1524 Comment
  SJSU14261  Allium lemmonii N. A. Hopkins 1989-6-7 1411 Plumas Squaw Valley Comment
  SJSU15153  Allium lemmonii N. A. Hopkins 1993-6-16 1724 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CAS-BOT-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  CHSC65184  Allium obtusum var. obtusum Lowell Ahart 1995-8-7 7604 Plumas On the south side of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/4 mile (air) south-west of Pilot Peak. 2011 Comment
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  CAS-BOT-BC474279  Allium obtusum var. obtusum Anna Head 1921-7-25 s.n. Plumas Top of Bear Ridge where snow lay long. Feather River Region Comment
  CAS-BOT-BC474058  Allium parvum M. S. Taylor 1982-5-18 4477 Plumas 2 air miles SE of Canyon Dam 1554 Comment
  UC843406  Allium parvum A. A. Heller 1938-5-21 15104 Plumas on the plain about the airfield w. of Chester 1304 Comment
  SD230972  Allium platycaule James Shevock 1985-5-19 11163 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir. 1800 Comment
  CAS-BOT-BC474094  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  SD46475  Allium platycaule Robert J. Weatherby 1955-7-2 1568 Plumas Locally common in barren volcanic gravel on exposed ridge. Bear Ridge, near Taylor Lake. 2194 Comment
  SEINET10471992  Allium platycaule Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4200 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  CAS-BOT-BC476727  Allium validum M. S. Taylor 1981-8-17 4024 Plumas Within 1/4 mi of Bear Lake trailhead, near Elwell Lodge, ca. 6 air mi S of Mohawk. 1981 Comment
  SEINET3880097  Allium validum D. W. McNeal 1995-7-16 4129 Plumas Along a stream ca 200 m S of the Gray Eagle trailhead on the trail go Long Lake. Plumas National Forest.; 0 Comment
  CAS-BOT-BC260  Allocarya ambigens Amos Arthur Heller; P. B. Kennedy 1907-7-2 8682 Plumas Between Vinton and Peckwith Comment
  SEINET5332277 Image available Allocarya microcalyx A. A. Heller, P. B. Kenndey 1907-7-2 8680 Plumas Between Vinton and Beckwith. Comment
  CHSC97192  Allophyllum divaricatum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14048 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CDA17285  Allophyllum gilioides subsp. violaceum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16312 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
  CHSC34853  Allophyllum integrifolium M. S. Taylor 1981-8-4 4156 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC65652  Allophyllum integrifolium L. P. Janeway 1995-7-23 4863 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  CAS-BOT-BC171372  Alnus incana subsp. tenuifolia M. S. Jussel 1931-9-6 s.n. Plumas Sulphur Works, Mt. Lassen 2133 Comment
  POM281269  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CAS-BOT-BC170694  Alnus rhombifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1449 Plumas Near creek bed of Spanish Creek adjacent to confluence of Butterfly Creek. Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC170698  Alnus rhombifolia A. A. Heller; P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UCD110003  Alnus rhombifolia Matt Georgeff 1992-5-16 24 Plumas 0.7 mi from French Bar, Feather R. 731 Comment
  SEINET8074293  Alnus rhombifolia A. A. Heller, P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  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
  SEINET4342383  Alopecurus carolinianus W. Harnach, N. Harnach 1991-6-21 560 Plumas Sierra Valley, next to R/R bridge east of Co. Rd. A-23 1487 Comment
  CHSC36874  Alopecurus geniculatus M. S. Taylor 1982-8-27 5062 Plumas Ramelli Ranch, where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1463 Comment
  CHSC34288  Amaranthus powellii L. Ahart 1981-9-6 3083 Plumas On a sandbar along Indian Creek ca. 1/2 mile sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC105641  Ambrosia acanthicarpa Lowell Ahart; John Dittes 2010-10-5 17301 Plumas On the east side of Highway 49, 830 feet north of the Plumas-Sierra county line, 2.7 miles (air) northeast of Loyalton, 6.9 miles (air) southwest of Vinton. 1508 Comment
  JEPS117161  Ambrosia acanthicarpa Lowell Ahart, John Dittes 2010-10-5 17301 Plumas On the east side of Highway 49, 830 feet north of the Plumas-Sierra county line, 2.7 miles (air) northeast of Loyalton, 6.9 miles (air) southwest of Vinton 1508 Comment
  CHSC94842  Ambrosia psilostachya Lowell Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 622 Comment
  RSA609420  Amelanchier utahensis Louis C. Wheeler 1958-7-29 7344 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  JEPS24907  Amsinckia menziesii var. menziesii Heller and Kennedy 1907-7-15 8850 Plumas Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  CHSC41884  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas On the bottom of the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  CHSC37775  Anemone drummondii M. S. Taylor 1981-5-8 3660 Plumas Plumas/Greenville Rd. 1/2 mi e of Long Valley Mine, w of Greenville. 1615 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-BC391929  Anemone lyallii Mary Strong Clemens 1920-4-28 s.n. Plumas Greenville Comment
  CHSC64058  Angelica breweri B. Castro; R. A. Schlising 1987-7-21 173 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N89 and 22N42 on somewhat rocky hillside below roads. 1539 Comment
  CHSC93152  Angelica breweri L. P. Janeway 1994-8-16 4732 Plumas Northern High Sierra Nevada. Slope above Little Schneider Creek about 1.4 mi south of Meadow Valley Creek; along Road 24N24X. 1234 Comment
  SEINET3156082  Angelica breweri E. K. Balls 1950-9-12 15790 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake Outlet, southern Plumas County 2012 Comment
  CHSC87828  Antennaria argentea Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10996 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
  CAS-BOT-BC59225  Antennaria dimorpha Alice Eastwood 1918-5-25 7047 Plumas Portola Comment
  JEPS102861  Anthemis cotula Lowell Ahart 2001-10-8 9329 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC84604  Anthemis cotula David D. Keck 1932-7-3 1683 Plumas Quincy 1065 Comment
  JEPS83412  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-6 367 Plumas about 2 mi w Genesee (5.4 mi se on Beckwourth-Greenville Road from Taylorsville Park Campground entrance and junction with Arlington Road, across road from Indian Ck. .); Greenville Quad. (15', 1950) 1133 Comment
  JEPS5349  Antirrhinum vexillocalyculatum subsp. intermedium W. I. Follett 1942-7-27 136 Plumas Deadwood Summit 1386 Comment
  SD120891  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-6 367 Plumas 5.4 miles SE on Beckwourth-Greenville Road from Taylorsville Park Campground entrance and junction with Arlington Road. About 2 miles west of Genesee; across the road from Indian Creek at about the place where Little Grizzly meets it. 1134 Comment
  CAS-BOT-BC457541  Aphanes occidentalis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1868 Plumas Butterfly Botanical Area and Vicinity; from west edge of Butterfly Valley proper near the road. 1036 Comment
  SD52244  Aphyllon epigalium subsp. epigalium F. Stephens 1924-7-1 8329 Plumas Comment
  CHSC58033  Aphyllon purpureum Vernon H. Oswald; Lowell Ahart 1992-6-2 4978 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  CHSC100317  Apocynum androsaemifolium Lowell Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC40378  Apocynum androsaemifolium Lowell Ahart 1985-7-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles north-west of Pilot Pk. 1828 Comment
  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
  UCSB71626  Apocynum androsaemifolium 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET7923496  Apocynum androsaemifolium M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 68 -7 Plumas Road from Chilcoot along Last Chance Creek to Frenchman's 1707 Comment
  SEINET259928  Apocynum pumilum M. S. Taylor 1981-7-27 4126 Plumas Babcock Peak. N side of Beckworth Genesse Rd ca. 7 air mi E of Genesse. Alson in section 4 and 'C 10 1646 Comment
  RSA101461  Aquilegia formosa R. Weatherby 1955-7-2 1577 Plumas Creek below Bear Ridge, near Taylor Lake. 2073 Comment
  SEINET5337615  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  POM99592  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  SEINET10448415  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4479 Plumas 5200 ft. T27N R8E se/se sec 36. Almanor NE quad. Both sides of rd 27N92, near Goldstripe Mine, ca. 2.3 mi se of Canyon Dam. 1585 Comment
  SEINET10874431  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4471 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  RSA655716  Arabis hirsuta var. glabrata R. R. Halse 1976-6-13 1395 Plumas Plumas National Forest; along State Hwy 89, 5.6 miles NW of Greenville. 1281 Comment
  CDA18445  Arabis holboellii var. retrofracta G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3170 Plumas Sierra Nevada; Plumas National Forest. 4.6 miles south of junction Long Valley and Rush Creek Roads, 1402 Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  CDA19239  Arabis puberula G. D. Barbe, T. C. Fuller 1982-6-17 3825 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET3899868  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-5-29 81156 Plumas 3.1 miles northwest of U.S. Hwy. 70 on road to Beckwourth.; 0 Comment
  POM180940  Arabis rectissima A. A. Heller, P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  SEINET10841516  Arabis suffrutescens Mary Susan Taylor 1982-8-5 Taylor 4927 A Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  CHSC37634  Aralia californica T. B. Devine 1979-10-5 600 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi. N of its junction with the e Branch of the N Fork. 792 Comment
  SEINET2471227  Arceuthobium abietinum R. L. Mathiasen 2007-8-8 2007 -32 Plumas Ca. 4.8 km W. of Meadow Valley on high road to Bucks Lake 1470 Comment
  CHSC54867  Arceuthobium californicum Vernon H. Oswald 1991-8-23 4840 Plumas Lassen Volcanic Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2255 Comment
  CAS-BOT-BC409921  Arceuthobium campylopodum L. P. Janeway 1989-9-6 3641 Plumas Along road 24N45Y, 0.25 mi. E of Crocker Meadow and the Beckwourth-Genesee Road, 6.3 miles N of Beckwourth 1752 Comment
  SD46735  Arceuthobium campylopodum Robert J. Weatherly 1955-8-6 1674 Plumas Near Claremont Peak, Qunincy area 2012 Comment
  UC1078841  Arceuthobium campylopodum Job Kuijt 1957-5-20 1349 Plumas 8 mi n Greenville Comment
  SEINET2116911  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-18 2004 -14 Plumas South side of Long Lake, Plumas National Forest 1915 Comment
  SEINET2471364  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-22 2007 -61 Plumas S. end of Long Lake 2020 Comment
  CAS-BOT-BC24207  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42197 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  CAS-BOT-BC24208  Arctostaphylos John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54266 Plumas Rocky summit ridge, Mt. Hough 2203 Comment
  CAS-BOT-BC38614  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51572 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC40005  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CHSC67360  Arctostaphylos nevadensis James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2570 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy 70. Comment
  RSA550617  Arctostaphylos nevadensis J. T. Howell, T. C. Fuller, G. D. Barbe, Donna Howell 1981-6-24 54265 Plumas Rocky sumit ridge, Mt. Hough. 2204 Comment
  SD7735  Arctostaphylos nevadensis Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer Comment
  UC549373  Arctostaphylos nevadensis J. E. Adams 1933-8-8 540 Plumas Quincy Comment
  UCD52710  Arctostaphylos nevadensis E. Sawyer 1935-7-9 281 Plumas 2 1/2 miles SSW of Crow. 2072 Comment
  CAS-BOT-BC42092  Arctostaphylos patula John Thomas Howell 1975-6-16 51132 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC42125  Arctostaphylos patula M. B. Kildale 1926-9-11 2763 Plumas Juniper Lake, Lassen Natl. Park 2054 Comment
  RSA122008  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas Southwest of La Porte. Alt. 5400 feet. Comment
  RSA239229  Arctostaphylos patula R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth, K. Thorne 1972-9-20 42354 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  SEINET10449367  Arctostaphylos truei Mary Susan Taylor 1982-6-20 Taylor 4712 Plumas T24N R6E nw sec 10. Pulga NE quad. Along Hwy 70, just w of Injun Jim Campground entrance, ca. 4 air mi sw of Belden. TYPE LOCALITY. Comment
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  RSA123203  Arctostaphylos viscida subsp. viscida E. Nourse 1934-8-14 15 Plumas 2.5 miles east and 6.5 miles south of Quincy. 1098 Comment
  SD8177  Arenaria congesta Mrs. R. M. Austin 1882-1 Plumas Comment
  JEPS26739  Arenaria congesta var. congesta P. C. Hutchison 1961-6-9 2135 Plumas 6 mi w Quincy (on the road to Buck's Lake. near Spanish Ranch) Comment
  JEPS113813  Arenaria kingii var. glabrescens Lowell Ahart, John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-BC82216  Arnica chamissonis A. A. Heller; P. B. Kennedy 1907-7-5 8750 Plumas Red Clover Valley Comment
  CAS-BOT-BC82357  Arnica cordifolia Ella Dales Cantelow 1940-5-12 3081 Plumas Bucks Lake Rd., 2 mi. w. of Quincy Comment
  CAS-BOT-BC295856  Arnica dealbata Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CDA14708  Arnica discoidea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3213 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC82654  Arnica latifolia Lowell Ahart 1980-7-27 2489 Plumas About 5 miles east of Bucks Lake 1500 Comment
  CAS-BOT-BC82766  Arnica mollis E. K. Balls 1950-9-1 15607 Plumas east of Long Lake 2133 Comment
  UCD107452  Arnica mollis Tim Kuhn 2006-6-30 23 Plumas north of Lake Davis at Old House Meadow. Comment
  UC1586467  Arnica parryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4784 Plumas 5.2 mi ne of, Humbug Rd at Grizzly Creek Humbug Summit; Grizzly Creek 1777 Comment
  CDA14026  Arnica tomentella G. F. Hrusa, B. A. Smith 1996-8-8 13474 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
  RSA122486  Artemisia arbuscula subsp. arbuscula C. G. Albertus 1935-8-22 273 Plumas 2.5 miles S of Bagley pass 1768 Comment
  UC1119351  Artemisia cana subsp. bolanderi C. G. Albertus 1935-8-29 271 Plumas 2 1/2 mi s Bagley Pass; Plumas National Forest, Downieville Quadrangle 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
  CHSC56840  Artemisia douglasiana L. P. Janeway 1991-8-3 4109 Plumas Plumas National Forest. Small drainage to Freeman Creek 1 3/4 mi west of Smith Peak. 1965 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
  SD51230  Artemisia douglasiana Darley F. Howe 1960-9-21 2990 Plumas 6 miles north of Greenville on Hwy 89. Comment
  SEINET6775420 Image available Artemisia douglasiana A. A. Heller, P. B. Kennedy 1907-7-17 8876 Plumas Red Clover Valley Comment
  CAS-BOT-BC93477  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34970 Plumas Sierra Nevada - Beckworth 1487 Comment
  CHSC92128  Artemisia tridentata subsp. tridentata Lowell Ahart; John Dittes 2005-9-19 12414 Plumas Along the east side of a good dirt road, about 1 1/2 miles east of Kettle Rock about 1 1/2 miles southeast of Taylor Lake. 2007 Comment
  RSA122549  Artemisia tridentata subsp. tridentata E. Nourse 1934-9-13 38 Plumas 2 miles NW of Onion Valley 2043 Comment
  CAS-BOT-BC110541  Asarum John Thomas Howell 1977-6-21 52380 Plumas Sierra Nevada. Seneca. 1097 Comment
  CAS-BOT-BC400769  Asarum lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1619 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen Comment
  CAS-BOT-BC140668  Asarum lemmonii R. W. Becking 1996-6-6 036 Plumas Keddie, Hwy. 89, Butterfly Valley Creek Comment
  CAS-BOT-BC222812  Asclepias John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54318 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  UC1552742  Asclepias cordifolia Frederica Bowcutt 1985-6-6 555 Plumas about 15 air mi ne Quincy (along Beckwourth Genesee Road, 1 mi of Drum Bridge); Plumas National Forest Comment
  UC1075720  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas No Ear Bar Middle Fork Feather River 914 Comment
  UCD121328  Asclepias fascicularis C. U. Hanks 1934-9-18 85 Plumas Hills north of Sierra Valley. 1676 Comment
  JEPS115173  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
  JEPS60032  Aspidotis densa W. L. Jepson 1939-7-31 19294 Plumas between Meadow Valley and Buck's Valley (Spanish Peak) 1524 Comment
  SEINET5338518  Aspidotis densa M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls, Jamison Creek above Johnsville. 1859 Comment
  UC1440101  Aspidotis densa C. D. MacNeill 1978-7-7 Plumas 4 air mi nne Belden (near Queen Lily Campground); N Fork Feather River 792 Comment
  CAS-BOT-BC97469  Aster M. S. Taylor 1981-8-19 4218 Plumas Blue Nose Mt. quad. S side of 23N10, 0.2 mi w of Bell Creek, ca 1.5 mi w of Sloat 1371 Comment
  RSA31766  Aster alpigenus A. A. Heller 1942-8-3 16515 Plumas About midway between Summit Lake and the devastated area in low moist places on the left side of the road going toward the devastated area; Lassen Park Comment
  CHSC76796  Aster alpigenus var. andersonii L. P. Janeway; B. Castro 1997-9-14 5359 Plumas Springy south-facing slope above Jamison Creek and above Road 507, 0.9 mi east of the Plumas-Eureka State Park boundary. 1828 Comment
  CDA14224  Aster eatonii G. F. Hrusa, T. D. Wilfred 1996-8-23 13529 Plumas Sierra Nevada; Upper Long Valley Creek below confluence with Bull Run Creek. 1 mi. E of Lava Peak, & 2 mi. NE of Cromwell townsite. Along old 12E19 pack trail, now largely unused in upper parts. Comment
  CHSC66693  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 B Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  RSA716415  Aster integrifolius L. Ahart, John Dittes 2005-9-19 12378 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  RSA715589  Aster radulinus L. P. Janeway 1994-8-24 4748 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground 1299 Comment
  CAS-BOT-BC229057  Astragalus lemmonii W. Harnach; N. Harnach 1990-5-14 320 Plumas Sierra Valley. Feather River Ranch property. 4 miles north of Loyalton on Co. Rd. A-24 1493 Comment
  CHSC97590  Astragalus lentiformis Lowell Ahart; John Dittes 2007-6-16 14123 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
  SD72047  Astragalus lentiformis John Thomas Howell 1962-6-17 37702 Plumas Portola, with sagebrush under Jeffrey pines 1463 Comment
  CHSC60536  Astragalus lentiginosus var. floribundus L. P. Janeway; Jannice Cutler 1992-5-28 4207 Plumas Plumas National Forest. Southwest side of Dotta Canyon 1.1 mi southeast of Beckwourth-Genesee Road. 1685 Comment
  CAS-BOT-BC192856  Astragalus pulsiferae var. pulsiferae Gary Schoolcraft 1984-6-27 1274 Plumas East of Sugar Loaf Mtn. 23-15-21 1524 Comment
  RSA111758  Astragalus pulsiferae var. pulsiferae H. D. Ripley, R. C. Barneby 1942-5-21 4512 Plumas Beckworth [Beckwourth] Pass. 1600 Comment
Read comments
Oct 13 2012
  SD8534  Astragalus webberi Mrs. R. M. Austin 1877-1 Plumas Indian Valley Comment
  UCSB63567  Astragalus webberi Jokerst, James 1985-6-10 Plumas Upper edge of reconstruction zone of Hwy. 70: T26N R9E NE1/4 NW1/4 Sect. 35 Comment
  CHSC63461  Astragalus whitneyi var. lenophyllus Lowell Ahart 1994-7-20 7473 Plumas Label also says Sierra County. On both sides of the the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC21676  Asyneuma prenanthoides D. Brink and L. Mayer 1975-7-3 Plumas Buck's Lake Forest Service Survey Comment
  UC185193  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 Comment
  UC1075639  Athyrium distentifolium var. americanum Robert J. Weatherby 1950-8-11 1518 Plumas upper end Long Lake; Lakes Basin Area 2133 Comment
  JEPS114945  Athyrium filix-femina Lowell Ahart 2008-8-13 15189 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  CHSC52718  Athyrium filix-femina var. cyclosorum L. P. Janeway 1990-7-19 3807 Plumas Along Emigrant Cr 1/2 mi N of the crest of Grizzly Ridge. Plumas National Forest Beckwourth Ranger District, Cascade Compartment. 2026 Comment
  JEPS116126  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-7-27 16163 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS116140  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 16350 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA0039308  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-8-14 15208 Plumas 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 Reservoir. 1600 Comment
  UC185188  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall 1912-6-10 Plumas Wapanse Creek Comment
  CAS-BOT-BC17543  Athysanus pusillus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 1989 Plumas Butterfly Botanical Area and Vicinity. Valley near barn. 1036 Comment
  CAS-BOT-BC17546  Athysanus pusillus Alice Eastwood 1927-6-11 14489 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  UCD97664  Atriplex rosea John Thomas Howell 1959-9-24 34969 Plumas Beckwourth. 1487 Comment
  CAS-BOT-BC100041  Balsamorhiza deltoidea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1952 Plumas Fern Glen 1097 Comment
  UCD40296  Balsamorhiza sagittata Rodney Gale Myatt 1971-6-13 744 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC16565  Barbarea orthoceras Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  CAS-BOT-BC16569  Barbarea orthoceras Mrs. H. C. Cantelow 1938-7-4 2293 Plumas South side of Soda Creek. Drakesbad. Comment
  CHSC102127  Barbarea orthoceras Lowell Ahart; John Dittes 2009-7-27 16165 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
  SEINET10448242  Barbarea orthoceras Mary Susan Taylor 1981-5-10 Taylor 3675 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
  RSA246636  Bidens cernua R. F. Thorne 1972-9-20 42311 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  CHSC78690  Bistorta bistortoides L. P. Janeway 2000-7-16 6907 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
  SD7878  Bistorta bistortoides Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET4176609  Bistorta bistortoides J. Young 1982-3 s.n. Plumas Dye Creek meadow 1524 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
  CAS-BOT-BC128020  Blepharipappus scaber Gladys L. Smith 1976-6-7 4575 Plumas vernal pool alongside Rte. A23 about 6 miles north of Sierra Co and just before road to Hot Springs 1524 Comment
  CAS-BOT-BC16885  Boechera F. Thos. Griggs 1975-1-1 173 Plumas Sierra Nevada. Bucks Lake area. 1463 Comment
  SFV10382  Boechera arcuata M. L. Vincent 1964-4-8 517 Plumas Sierra Nevada Near North Fork Bridge 9-02. 580 Comment
  CAS-BOT-BC15816  Boechera arcuata John Thomas Howell; Gordon H. True 1967-5-7 42183 Plumas Sierra Nevada. Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  UCD114358  Boechera breweri R. E. Preston 1982-4-29 273 Plumas ca. 30 yds e of Chips Creek, between Forest and Riparian zone, ca. 100 yds n of Hwy 70. 655 Comment
  CAS-BOT-BC16129  Boechera constancei M. S. Taylor 1981-6-22 3943 Plumas North and south side of 25N57, ca. 0.5 mile east of junction 25N57 with 25N17, ca. 4 air miles NW of Meadow Valley. 1615 Comment
  CAS-BOT-BC16138  Boechera constancei M. S. Taylor 1982-6-1 4582 Plumas North side of 204, ca. 1 air mile southeast of Long Valley Mine, ca. 4 air miles west of Greenville. 1524 Comment
  SD46545  Boechera lyallii Robert J. Weatherby 1955-6-26 1553 Plumas Lakes Basin Area 2195 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  CAS-BOT-BC14106  Boechera pauciflora John Thomas Howell 1967-6-23 42736 Plumas Sierra Nevada. Lewisia Rock 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC14263  Boechera pinetorum M. S. Taylor 1981-5-10 3666 Plumas North side of Genesee Valley Road, ca. 4 miles west of Genesee. 1097 Comment
  CHSC63450  Boechera pinetorum Lowell Ahart 1994-7-22 7493 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC89292  Boechera pinetorum G. Douglas Barbe; T. C. Fuller 1982-7-15 3747 Plumas Sierra Nevada. Road cut, 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  CHSC91949  Boechera pinetorum Lowell Ahart; Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SFV10380  Boechera pinetorum M. L. Vincent 1968-6-10 858 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CHSC75474  Boechera rectissima G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13281 Plumas Sierra Nevada--Plumas National Forest. On slopes above Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1980 Comment
  CAS-BOT-BC25585  Boechera retrofracta Alice Eastwood 1927-6-17 14684 Plumas United States Forest Reserve. Long Valley. Comment
  CAS-BOT-BC25590  Boechera retrofracta John Thomas Howell; Gordon H. True 1969-6-23 45834 Plumas Sierra Nevada. On Middle Fork of Feather River at Nelson Point. 1249 Comment
  CHSC41413  Boechera retrofracta Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  SEINET3166092  Boechera rigidissima P. J. Alexander 2008-7-22 865 -A, B Plumas North side of the summit of Mount Elwell, +-0.05 miles N of the highest point, +-0.8 miles SE of Mt. Washington, +-14 miles NE of Downieville, northern Sierra Nevada, Plumas National Forest. 2362 Comment
  UCSB63924  Boechera sparsiflora Jokerst, James 1987-5-28 Plumas Ward Creek Canyon; T25N R11E center S1/2 Sect. 23 1463 Comment
  CHSC61017  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-3 5768 Plumas Unnamed lake ca. 0.25 mi E of Hwy Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC82546  Botrychium simplex var. compositum Lowell Ahart; Peter Ahart 2002-7-24 9921 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
  CHSC83012  Botrychium simplex var. compositum Lowell Ahart 2002-9-8 9934 Plumas In a meadow, near a small pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  JEPS49663  Boykinia major W. L. Jepson 1939-7-31 19300 Plumas lower slopes Spanish Peak (canyon bottom 1/2 way between Meadow Valley and Buck's Valley); slopes Spanish Peak, btw Meadow Valley and Buck's Valley Comment
  CHSC61414  Brasenia schreberi Vernon H. Oswald; Lowell Ahart 1993-8-11 5782 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  CAS-BOT-BC106232  Brickellia californica John Thomas Howell 1959-9-21 34774 Plumas Dry rocky river bench, N. Fk. Feather River near Belden 701 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
  SEINET8466115 Image available Brodiaea gracilis John Thomas Howell, Gordon H. True 43374 Plumas About 2 miles southeast of Mt. Hough. Plumas County, California 1829 Comment
  UCD60275  Bromus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
  CDA17226  Bromus carinatus G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16329 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-BC149311  Bromus carinatus var. carinatus C. R. Quick 1947-7-30 47 -68 Plumas Big Bar Mountain. Plumas National Forest. 1249 Comment
  CAS-BOT-BC149320  Bromus carinatus var. carinatus John Thomas Howell 1959-9-21 34829 Plumas Sierra Nevada. Greenville. 1088 Comment
  JEPS102463  Bromus carinatus var. carinatus Lowell Ahart 2001-7-23 8999 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC943024  Bromus carinatus var. carinatus Lewis S. Rose 1951-6-27 51021 Plumas Johnsville 1600 Comment
  CDA13759  Bromus ciliatus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13491 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  JEPS118410  Bromus ciliatus Lowell Ahart 2011-9-17 17658 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-BC155968  Bromus commutatus M. S. Taylor 1982-7-8 4805 Plumas South side of Feather River, ca. 1 mile southwest of Sagebrush Scrub on Rameli Ranch, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  RSA232905  Bromus commutatus L. S. Rose 1968-6-10 68087 Plumas Quincy 1037 Comment
  UCD58461  Bromus commutatus John Thomas Howell 1961-6-21 36666 Plumas Sierra Nevada. Greenville. 1097 Comment
  CDA14126  Bromus laevipes G. F. Hrusa 1997-5-3 13816 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CAS-BOT-BC162143  Bromus orcuttianus John Thomas Howell 1926-7-20 2088 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC162149  Bromus orcuttianus John Thomas Howell 1960-7-21 35860 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake. 1767 Comment
  CHSC102065  Bromus orcuttianus Lowell Ahart; John Dittes 2009-7-15 16092 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC65874  Bromus orcuttianus L. P. Janeway 1995-8-24 4900 Plumas Near head of small western tributary to Willow Creek; 0.6 mi east of Penman Saddle. Roadside. 1935 Comment
  JEPS28302  Bromus orcuttianus George W. Gillett 1957-7-17 805 Plumas Lassen Volcanic National Park, in upper Willow Lake Meadow, near east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  RSA184943  Bromus orcuttianus L. S. Rose 1966-7-27 66060 Plumas Butterfly Valley, 3 mi. w. of Keddie 1067 Comment
  SEINET208632 Image available Bromus orcuttianus Lewis S. Rose 1967-7-10 67152 Plumas 3 mi. W. of Keddie, Butterfly Valley 1097 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
  SEINET187873 Image available Bromus secalinus A. D. Dmith 1938-8-14 Plumas N. of Vinton 1524 Comment
  CAS-BOT-BC161361  Bromus tectorum Clarence R. Quick 1941-6-10 41 -30 Plumas Just south of Lake Almanor. Comment
  UC1024783  Bromus tectorum Leo Whitney 1934-8-7 2340 Plumas 10 mi nw of Portola (3 mi e of the Cate Place, Plumas National Forest, n end of Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley 1828 Comment
  UCD60056  Bromus tectorum V. P. Osterli 1950-6-1 s.n. Plumas Plumas County. Comment
  CAS-BOT-BC185352  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Plumas Lakes Center Public Campground. 2042 Comment
  CHSC108739  Calamagrostis canadensis B. Castro; L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At upper lake/lower forest edge around much of lake, expecially the north half. 2058 Comment
  CAS-BOT-BC438483  Calandrinia ciliata John Thomas Howell 1951-6-28 27668 Plumas Jamison Creek 1584 Comment
  CHSC102108  Callitriche verna Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16213 Plumas In shallow water of a small pond, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  UC139978  Calocedrus decurrens Mrs. R. M. Austin Sep 1896 Plumas Butterfly Valley Comment
  UC337930  Calochortus coeruleus unknown Aug 1874 Plumas Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CAS-BOT-BC491830  Calochortus leichtlinii Mary Strong Clemens 1920-5-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC491842  Calochortus leichtlinii Robert J. Weatherby 1950-8-11 1521 Plumas Near spring on slopes of Mt. Elwell, Lake Basin Area 2194 Comment
  RSA125133  Calochortus monophyllus E. F. Sprague 1957-5-30 0 .229 Plumas 10 miles southwest of Viola on Manton Road 610 Comment
  CDA5724  Calochortus nudus L. Ahart 2002-7-6 9847 Plumas About 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. Comment
  CAS-BOT-BC493426  Calochortus nudus Lewis S. Rose 1967-6-12 67114 Plumas Butterfly Valley, 3 mi. of Keddie 1219 Comment
  CDA18434  Calochortus tolmiei G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3127 Plumas Long Valley; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  CHSC61595  Calochortus venustus Aurthur C. Barrett 1918-7-8 9 Plumas Indian Creek, near Lone Rock Cr. 1645 Comment
  SD7979  Caltha howellii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC90965  Calycanthus occidentalis Anna Head 1920-6-18 s.n. Plumas Feather River Region. Camp Rodgers. 701 Comment
  UC942961  Calyptridium monospermum Lewis S. Rose 1951-6-29 51079 Plumas Feather River, Rock Creek Feather River; , Rock Creek 550 Comment
  UCD100474  Calyptridium umbellatum J. M. Tucker 1948-7-25 1744 Plumas above mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. Comment
  SEINET196486  Calyptridium umbellatum J. M. Tucker 1948-7-25 1744 Plumas Above mine of United Mining Company Pinchard Cr SW side of Camel Peak Comment
  SEINET7125846  Calystegia fulcrata subsp. tomentella A. A. Heller, P. B. Kennedy 1907-7-15 8842 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UCR108213  Calystegia malacophylla subsp. malacophylla L. C. Wheeler 1958-7-28 7339 Plumas Sierra Nevada Mtns, South Fork Rock Creek, c. 0,5 mi east of Bottle springs, near Quincy 1585 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
  UC583536  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley Warner Valley; Mount Lassen Region, Drakesbad, Warner Valley Comment
  CAS-BOT-BC160844  Camissonia tanacetifolia subsp. quadriperforata Alice Eastwood 1918-5-25 6980 Plumas Portola Comment
  JEPS104409  Campanula prenanthoides Lowell Ahart 2003-10-15 10638 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
  RSA261563  Campanula prenanthoides James I. Mallory 1969-8-21 349 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte, Plumas National Forest. 1524 Comment
  SEINET10463002  Campanula prenanthoides Knight 1967-9-16 KNIGHT 2250 Plumas Fern Glen 1097 Comment
  SEINET10463210  Campanula prenanthoides Rose 1966-7-26 Rose 66059 Plumas Butterfly Valley, 3 mi W of Keddie, dry open woods 3500'. Comment
  CHSC84979  Campanula scouleri Lowell Ahart 2003-10-15 10638 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south 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. 1509 Comment
  CAS-BOT-BC37306  Cardamine breweri John Thomas Howell 1967-6-23 42706 Plumas Sierra Nevada. Butterfly Valley. 1066 Comment
  CAS-BOT-BC37303  Cardamine breweri Robert J. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge, near Taylor Lake. 1981 Comment
  SEINET5341058  Cardamine cordifolia P. A. Lehenbauer 1926-5-31 1498 Plumas Clover Creek, Plumas Nat. Forest. Comment
  HSC73122  Cardamine nuttallii M. S. Taylor 1981-6-17 3923 Plumas Junction of Meadow Creek and Rd. 25N10, E side of Mt. Ingalls, 8 air mi. SE of Genesee 2287 Comment
  JEPS106028  Cardamine nuttallii var. covilleana Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10930 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy 1955 Comment
  CAS-BOT-BC38093  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC38096  Cardamine pachystigma John Thomas Howell; Gordon H. True 1969-4-8 45484 Plumas Sierra Nevada. Lewisia Rock, Feather River Canyon below Belden. 609 Comment
  CHSC87992  Carex abrupta Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11172 A Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS63773  Carex abrupta W. L. Jepson 1910-6-9 4101 Plumas near Lassen Peak; Hot Springs Valley 1828 Comment
  CAS-BOT-BC18591  Carex abrupta Ella Dales Cantelow 1941-7-20 3637 Plumas 10 mile south of Qunicy, on road to La Porte. 1981 Comment
  CAS-BOT-BC17842  Carex amplifolia John Thomas Howell 1926-7-31 2176 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC17936  Carex angustata John Thomas Howell 1960-7-22 35873 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  JEPS123947  Carex angustata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20423 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC17921  Carex angustata Brink; Mayer 1975-7-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  CAS-BOT-BC17933  Carex angustata John Thomas Howell 1951-6-27 27601 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  CHSC36854  Carex athrostachya M. S. Taylor 1982-6-28 4780 Plumas S edge of Feather River, Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  CHSC43522  Carex athrostachya Lowell Ahart 1977-8-8 1542 Plumas Near the pond in Onion Valley, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC53653  Carex athrostachya L. P. Janeway 1984-7-13 902 Plumas Near Grizzly Creek campground, SW of Bucks Lake. 1584 Comment
  RSA122797  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Vallley, west of Beckwith Buttes. 1524 Comment
  SEINET4292084 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Comment
  UCD140144  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy. 1036 Comment
  CAS-BOT-BC19130  Carex aurea Clarence Roy Quick 1965-7-23 65 -21 Plumas Sierran Nevada. 3-4 miles south of west end of Humbug Valley. Above Cottonwood Creek Crossing. Comment
  JEPS107600  Carex bolanderi Lowell Ahart, Josephine Guardino 2005-8-10 12319 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS63508  Carex bolanderi W. L. Jepson 1939-7-19 19304 Plumas between Meadow Valley Bucks Valley; Spanish Peak Comment
  CAS-BOT-BC19634  Carex brainerdii John Thomas Howell 1951-6-28 27714 Plumas Eureka Peak. 2255 Comment
  CHSC47347  Carex brainerdii L. P. Janeway 1989-6-8 3272 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) at upper end of Jackson Cr campground. 1386 Comment
  RSA768921  Carex brainerdii L. P. Janeway 2010-7-3 10076 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine, overlooking Middle Fork Feather River from the north 1644 Comment
  SD71001  Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park; Drakesbad; dry coniferous forest. 1676 Comment
  UC1778639  Carex brainerdii G. Douglas Barbe, T. C. Fuller 1982-6-15 3717 Plumas 1.0 mle below and NE of Red Hill summit, Plumas National Forest. 1761 Comment
  UC2015884  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Snake Lake, about 4 miles northwest of Quincy. Comment
  CHSC115917  Carex cusickii Sara M. Taylor; Scott Batiuk 2012-7-31 54 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20.Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  CAS-BOT-BC19846  Carex echinata Anna Head 1921-7-28 s.n. Plumas Feather River Region. Meadows by Grass Lake. 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
  CAS-BOT-BC65491  Carex echinata subsp. echinata L. P. Janeway 1995-7-23 4872 Plumas Meadow at head of western branch of Stag Creek; along road 22N80Y; 0.1 mi N of road 22N72; about 0.3 mi SSE of Table Mtn 1755 Comment
  UC1100649  Carex echinata subsp. echinata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1449 Plumas bog and marsh at Butterfly Valley Butterfly Valley Comment
  CHSC47054  Carex filifolia var. erostrata L. P. Janeway 1989-6-12 3288 Plumas Plumas National Forest. South side of Red Clover Valley along the Beckwourth-Genesee Rd (rd 111). 1670 Comment
  CHSC68375  Carex filifolia var. erostrata L. P. Janeway 1996-5-16 4972 Plumas Northwest corner of Sierra Valley, Ramelli Ranch; 400 ft south of Middle Fork Feather River and west side of road to Calpine. 1490 Comment
  UC1133354  Carex filifolia var. erostrata E. Sawyer 1935-6-21 130 Plumas 1 3/4 mi ne Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC22343  Carex filifolia var. filifolia Lloyd W. Swift 1931-6-1 48 Plumas Plumas Forest. Murdock Crossing. 1676 Comment
  CDA14578  Carex fracta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3059 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC52544  Carex fracta L. P. Janeway 1989-7-12 3483 Plumas Plumas National Forest. Along Jackson Cr; rd 23N11 2.3 mi from Hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  SEINET10652727  Carex geyeri Lawrence P. Janeway 1990-8-16 Janeway 3831 Plumas Babcock Peak Quad, T25N, R12E, N 1/4 of SW 1/4 of Sec 23. Ca. 0.2 mile north of Meadow Creek and ca. half-way between Red Clover Creek and Mount Ingalls. White Fir Forest with Jeffrey Pine, Red Fir, Incense Cedar: gentle north-facing slope; rocky volcanic soil; in small openings and partial shade; in open with C. Rossii, C. brainerdii; in shade with Symphoricarpus acutua; often with Ceanothus velutinus, C. prostratus, Arctostaphylos patula. 2012 Comment
  JEPS28347  Carex hassei George W. Gillett 1957-7-19 847 Plumas rivulet near very large spring on trail to Sifford Lakes (above Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  CDA13994  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-1 13452 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  UCD140424  Carex heteroneura G. F. Hrusa; T. D. Wilfred 1996-8-1 13452 Plumas Brady's Camp. Pine Creek Valley, ca. 1/2 mile NE Argentine Rock. Comment
  CHSC76149  Carex heteroneura var. heteroneura G. F. Hrusa; T. D. Wilfred 1997-6-26 13924 Plumas Northern California, Sierra Nevada. Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. 2125 Comment
  JEPS117647  Carex heteroneura var. heteroneura Lowell Ahart 2010-7-27 16932 Plumas Damp meadow, about 150 yards north of the South Fork of the Feather River, north side of Forest Road 22N68, about 1/4 mile southwest of the Feather Fork Mine, about 1- 1/2 miles (air) northeast of Little Grass Valley Reservoir 1634 Comment
  UCD140445  Carex hoodii John Thomas Howell 1960-6-17 35499 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC7850  Carex infirminervia John Thomas Howell 1960-7-20 35759 Plumas Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC7743  Carex integra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54167 Plumas 3.25 miles west of Round Valley Reservoir dam. 1633 Comment
  JEPS87741  Carex integra Lowell Ahart 1994-6-15 7343 Plumas near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 200 yards e of a logging road, about 1 mile (air) w of Little Grass Valley Reservoir) 1767 Comment
  UC942960  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CHSC55558  Carex jonesii L. P. Janeway 1990-7-3 3761 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 3/4 mi south of Little Grizzly Creek. 1905 Comment
  CHSC80880  Carex jonesii Lowell Ahart 2001-7-23 9000 Plumas Meadow, on the south side of a poor logging road, start of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS107609  Carex jonesii Lowell Ahart, Josephine Guardino 2005-8-10 12323 Plumas Bog in small wet meadow, a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CAS-BOT-BC31150  Carex lemmonii Lowell Ahart 1966-6-18 1346 Plumas In a bog 100 m east of Ohio Ravine. 518 Comment
  CHSC42824  Carex lemmonii L. P. Janeway 1987-6-20 2283 Plumas Ravine on N side of S Branch Middle Fk Feather R below Whiskey Hill. 1158 Comment
  CAS-BOT-BC31213  Carex lenticularis var. impressa E. K. Balls 1950-9-2 15646 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2255 Comment
  SEINET7564689 Image available Carex lenticularis var. lipocarpa John Thomas Howell 1951-6-28 27733 Plumas Eureka Lake. Comment
  CDA36399  Carex leporinella G. D. 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
  CHSC53527  Carex luzulina L. P. Janeway 1990-8-3 3825 Plumas Plumas National Forest. Meadow at head of small drainage (into Little Grizzly Cr) ca 1 mi SW of Little Grizzly Cr and between Joseph Cr and Oliver Cr. 1981 Comment
  CAS-BOT-BC31635  Carex luzulina var. ablata John Thomas Howell 1951-6-27 27597 Plumas McRae Meadow. 1981 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
  SEINET7566773 Image available Carex mariposana John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54343 a Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CAS-BOT-BC31943  Carex microptera Lewis Samuel Rose 1951-6-27 51044 Plumas Jamison Creek, SW of Johnsville. 1889 Comment
  JEPS125846  Carex microptera Dean W. Taylor 2001-8-1 17860 Plumas Spring at N base of Pilot Peak, ca 10 air miles S of Quincy, along Forest Road 22N84X about 0.2 miles N of the Pilot Mine site. Comment
  CAS-BOT-BC32034  Carex multicaulis Lewis Samuel Rose 1963-6-3 63084 Plumas Butterfly Valley, 2 mi SW of Keddie. 990 Comment
  CHSC110979  Carex multicaulis Lowell Ahart 2012-7-1 18249 Plumas About 200 yeards west of Caribuou Road, about 4 miles (air) northeast of Belden. 833 Comment
  SEINET7568484 Image available Carex multicostata L. P. Janeway 2003-7-19 7910 Plumas Reading Peak 7.5' quad. High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  CDA17811  Carex nebrascensis G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3323 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CHSC47008  Carex nebrascensis L. P. Janeway 1989-7-25 3516 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.1 mi N of Beckwourth. 1752 Comment
  SEINET11635248  Carex nebrascensis L. P. Janeway 1989-1 3408 Plumas Plumas NF, near head of Mapes Cyn, along Beckwourth-Genesee Rd (rd 111) 4.9 mi N of Beckwourth 1768 Comment
  CAS-BOT-BC119684  Carex nervina John Thomas Howell 1951-6-27 27614 Plumas Jamison Creek 1950 Comment
  CAS-BOT-BC119688  Carex nervina Thomas Griggs 1975-6-1 s.n. Plumas Bucks Lake area. Comment
  CAS-BOT-BC119523  Carex nudata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1446 Plumas In bed of Spanish Creek near confluence 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-BC119013  Carex pellita L. P. Janeway 1991-8-4 4124 Plumas Grizzly Valley quad, Meadow along Road 111 (Beckwourth-Genessee Road) 1676 Comment
  CHSC41154  Carex rossii L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-9 1206 Plumas Slopes northeast of confluence of Hungry Cr and Indian Cr, 15 mi e of Taylorsville on road to Antelope Res. 1554 Comment
  JEPS95369  Carex rossii Lowell Ahart 1994-7-7 7470 Plumas SW side of Pacific Crest Trail, S of a poor dirt road, E of the weather station, 1/2 air mile W of Pilot Peak, about 3/4 mi E of Quincy--La Porte Road 1981 Comment
  CHSC102008  Carex scabriuscula L. P. Janeway; B. Castro 2009-8-29 9943 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CHSC111166  Carex scabriuscula Lowell Ahart 2012-7-1 18262 Plumas On the east side of the dirt road to the large pipe,about 1/4 miles east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 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
  CHSC88552  Carex scabriuscula Samantha Hillaire 2001-7-27 Plumas Plumas National Forest. 1645 Comment
  CHSC97614  Carex sheldonii Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  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
  JEPS113547  Carex simulata Lowell Ahart, Josephine Guardino 2007-7-21 14364 Plumas Shallow water in a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC117744  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2273 Plumas Meadow at Drakesbad. Near edge of streamlet. Comment
  CHSC109856  Carex specifica L. P. Janeway 2012-8-1 11039 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibsonville-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
  CAS-BOT-BC115998  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54371 Plumas 0.75 mi NE of Bucks Summit on road to Quincy. 1600 Comment
  CDA17812  Carex subfusca G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3320 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CHSC102434  Carex subfusca L. P. Janeway; B. Castro 2009-7-12 9853 Plumas Northern High Sierra Nevada. Lower Thompson Valley 2.0 km north of Red Clover Creek. 1670 Comment
  CHSC110447  Carex subfusca L. P. Janeway 2013-7-15 11182 Plumas Northern High Sierra Nevada. Plumas National Forest: south side of Tamarack Flat close to Road 22N04. 1713 Comment
  CHSC88229  Carex subfusca Lowell Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CAS-BOT-BC115994  Carex subfusca Clare B. Hardham 1970-8-8 17716 Plumas Road to Thompson Peak. 2286 Comment
  CHSC118783  Carex subfusca Wendy L. Boes; Jim Battagin 2015-5-12 2015 001 B Plumas Plumas National Forest. Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328N, NAD83 Zone 10N). 792 Comment
  SEINET7577196 Image available Carex subfusca George W. Gillett 1957-7-19 849 Plumas Lassen Volcanic National Park, on trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen. 2057 Comment
  SEINET7577212 Image available Carex subfusca John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54344 Plumas Sierra Nevada, 2.8 miles north-northeast of Englemine on Diamond Mt Road. 1341 Comment
  CAS-BOT-BC115414  Carex utriculata L. P. Janeway 1991-8-4 4128 Plumas Meadow along Road 111 (Beckwourth-Genesse Rd) 1.1 mi W of road to Bagley Pass. 1691 Comment
  CHSC45754  Carex utriculata L. P. Janeway 1984-7-13 907 Plumas Mdw near Grizzly Cr FS Campground, SW of Bucks Lake. 1584 Comment
  CHSC92304  Carex utriculata Lowell Ahart; John Dittes 2005-9-20 12446 Plumas In the center of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  JEPS107719  Carex utriculata Lowell Ahart, John Dittes 2005-9-19 12384 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CAS-BOT-BC115418  Carex utriculata George Wilson Gillett 1957-1-1 837 Plumas Willow Lake. Marsh at N end of Lake. 1661 Comment
  CHSC116367  Carex utriculata Sara M. Taylor; Scott Batiuk 2012-9-12 71 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd intersection. On foot, cross to the north side of the river and head WNW. UTM Zone 10, 4423072 N, 652443 E. 1890 Comment
  JEPS49032  Carex utriculata Leland S. Smith 1927-8-10 2174 Plumas Gold Lake amd Gold Valley 2255 Comment
  CHSC40413  Carex vesicaria Lowell Ahart 1985-7-11 5124 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles northeast of La Porte. 1584 Comment
  CDA13385  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13234 Plumas Sierra Nevada; Near summit above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC114933  Carex whitneyi Lowell Ahart 1977-7-9 1453 Plumas 10 mi NE of La Porte. Edge of the road, 1/2 mi below the Bunker Hill Mine. 1800 Comment
  SEINET3143331  Castanopsis sempervirens E. K. Balls 1950-9-12 15791 Plumas 1.2 mi along trail from Lakes Center Public Campground to Long Lake Outlet 2042 Comment
  CDA18676  Castilleja G. D. Barbe, T. C. Fuller 1982-6-15 3728 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CAS-BOT-BC248955  Castilleja B. Carlson 1981-5-15 028 Plumas Hwy. 431 4.3 mi. E. of jct. Hwy. 395 1524 Comment
  CAS-BOT-BC249713  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-16 7459 Plumas Diamond Peak Comment
  CAS-BOT-BC249719  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-12 1731 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lake Region 2042 Comment
  CAS-BOT-BC249735  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1929-6-21 5777 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  CHSC117483  Castilleja applegatei subsp. pinetorum Lowell Ahart 2016-6-29 21064 Plumas South slope of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC53068  Castilleja applegatei subsp. pinetorum L. P. Janeway 1989-6-20 3347 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1691 Comment
  CHSC82496  Castilleja applegatei subsp. pinetorum Lowell Ahart 2002-6-26 9782 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  JEPS10977  Castilleja applegatei subsp. pinetorum W. I. Follett 1942-7-27 132 Plumas Deadwood Summit 1386 Comment
  JEPS81465  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-5 4935 Plumas just below Mt. Hough (areas around Crystal Lake, ca 7 air nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  SBBG6726  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-7-17 2259 Plumas E of Lake Almanor Comment
  UC174719  Castilleja applegatei subsp. pinetorum A. A. Heller and P. B. Kennedy 1907-7-3 8701 Plumas hills above Red Clover Valley Comment
  JEPS100466  Castilleja arachnoidea Dean W. Taylor 2001-6-28 17821 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 1859 Comment
  JEPS113656  Castilleja lacera Lowell Ahart, John Dittes 2007-6-16 14136 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
  UC1562841  Castilleja lacera Barbara Ertter 1989-7-4 8685 a Plumas 4.2 mi w Hwy. 89 junction with Hwy 36 (Coyote Flat, w of Lake Almanor); Coyote Flat 1524 Comment
  UC174566  Castilleja lacera A. A. Heller and P. B. Kennedy 1907-7-6 8752 Plumas Red Clover Valley Comment
  UCR53765  Castilleja lacera Lyman Benson 1949-6-21 13741 Plumas Cascade Range, Almanor, 1 mile west of Lake Almanor Inn [W bank of Lake Almanor], Feather River Drainage 1402 Comment
  CAS-BOT-BC254060  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-9 8788 Plumas Prattville Comment
  JEPS10951  Castilleja miniata W. L. Jepson 1924-7-25 10637 Plumas Meadow Valley 1158 Comment
  UC1063336  Castilleja miniata C. G. Albertus 1935-7-27 234 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  CAS-BOT-BC254057  Castilleja miniata Catherine Best 1983-8-29 877 Plumas Lakes Basin Campground. Plants of the Sierra Nevada, California 1920 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
  SEINET10961410  Castilleja payneae Rimo Bacigalupi 1952-8-19 Bacigalupi 3951 Plumas Abundant on slopes to the east of Long Lake. 2042 Comment
  CAS-BOT-BC241040  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse, Lakes Basin Area 1981 Comment
  CHSC102639  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16135 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
  CHSC42020  Castilleja tenuis Lowell Ahart 1986-7-25 5367 Plumas Along a small branch of Bird Creek, about 1/2 mile west of Monitor Fla, about 3 miles north-west of Pilot Peak. 1828 Comment
  JEPS94545  Castilleja tenuis Vernon Oswald and Lowell Ahart 1997-6-24 8626 Plumas s of Susanville (on Diamond Mountain Motorway (28N15) at the meadow at Wheeler Sheep Campground); Wheeler Sheep Campground, Diamond Mountain Motorway 1993 Comment
  JEPS77537  Castilleja tenuis Margaret Ely 1978-6-23 Plumas Butterfly Valley; sw of pond (reservoir) Comment
  SD7031  Castilleja tenuis Daniel Cleveland 1882-7-22 Plumas Meadow, Prattville Comment
  CHSC96735  Ceanothus arcuatus L. P. Janeway 2007-5-20 8997 Plumas Northern High Sierra Nevada. Along Hwy 70/East Branch North Fork Feather River/Serpentine Canyon, 1.0 road km east of the Rich Bar overlook. 777 Comment
  CAS-BOT-BC48610  Ceanothus cordulatus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2099 Plumas Road near pond 1097 Comment
  LA41966  Ceanothus cordulatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  RSA712416  Ceanothus cuneatus C. L. schmidt 1988-7-15 1224 Plumas Red Hill, up Rush Creek road, 9.4 miles SW of Paxton on Hwy 70. 1260 Comment
  CAS-BOT-BC50734  Ceanothus integerrimus John Thomas Howell 1975-7-22 51376 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC51044  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1927-6-18 14576 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CAS-BOT-BC63364  Ceanothus prostratus John Thomas Howell 1926-7-20 2083 Plumas Near Prattville. 1463 Comment
  CDA13442  Ceanothus prostratus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13289 Plumas Sierra Nevada; 5 mi. east of Sloat on USFS 23N11A. 1889 Comment
  UC1071279  Ceanothus prostratus C. W. Hanks 1934-8-8 15 Plumas ridge top nw Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CDA19927  Centaurea solstitialis J. Naughton 2002-7-7 104 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CAS-BOT-BC384937  Cerastium arvense Ella Dales Cantelow 1940-5-12 3447 Plumas 2 1/2 mi. s.w. of Belden Comment
  CAS-BOT-BC276734  Chaenactis douglasii var. douglasii J. G. Lemmon No date on label s.n. Plumas Sierra Nevada Comment
  CDA9324  Chamaesyce maculata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .28 Plumas On route 70 W of Storrie on sunny south-facing cliff Comment
  SEINET9442528  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1989-6-29 203 Plumas Sierra Valley, Approx 4 miles W of Vinton on Hwy 70, Hindoo Ranch. 1490 Comment
  CAS-BOT-BC165972  Chamerion angustifolium Janet Jones 1980-7-14 202 Plumas By roadsides and trails around Layman near Blairsden, Plumas National Forest 1280 Comment
  CAS-BOT-BC166082  Chamerion angustifolium subsp. circumvagum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2364 Plumas Along edge of Spanish Creek near confluence of Butterfly Creek. Butterfly Botanical Area Comment
  UC1186543  Chamerion angustifolium subsp. circumvagum J. W. MacSwain 1959-8-12 59 -151 Plumas 2.3 mi w Quincy Comment
  CAS-BOT-BC70208  Cheilanthes gracillima Robert J. Weatherby 1950-8-11 1514 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  CDA13573  Cheilanthes gracillima G. F. Hrusa, T. D. Wilfred 1996-8-23 13522 Plumas Sierra Nevada; Plumas Natl. Forest. of W side at summit of Lava Peak, N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC84548  Chenopodium album John Dittes; Lowell Ahart 2003-8-8 2003 -93 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  CAS-BOT-BC426356  Chenopodium desiccatum John Thomas Howell 1962-6-19 37881 Plumas Beckwourth Pass 1584 Comment
  SD71436  Chenopodium strictum var. glaucophyllum John Thomas Howell Dept. 25, 1959 35006 Plumas Sierra Valley near Beckworth, Plumas Co. 1493 Comment
  CDA17255  Chimaphila menziesii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16282 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC33736  Chimaphila menziesii M. S. Taylor; M. Foster 1981-7-14 4015 Plumas Saddle at head of Bullfrog Ravine, both sides of rd 26N18. 1645 Comment
  JEPS48509  Chimaphila menziesii Mrs. Esther C. Fritz 1933-7-14 Plumas Camp Califorest near Meadow Valley (above cookhouse & about camp) 1188 Comment
  JEPS58867  Chimaphila umbellata W. L. Jepson 1924-7-24 10634 Plumas Rich Point 914 Comment
  JEPS87860  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  SEINET3164136  Chimaphila umbellata E. K. Balls 1950-9-5 15676 Plumas Thompson Creek main trail, .2 mi. above turn off to Spur 3, near Quincy 1524 Comment
  RSA239262  Chimaphila umbellata subsp. occidentalis R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth, K. Thorne 1972-9-20 42323 Plumas Plumas National Forest: Fern Glen, Butterfly Valley Botanic Area. 1098 Comment
  CAS-BOT-BC39665  Chorispora tenella W. Harnach; N. Harnach 1990-4-18 261 Plumas Sierra Valley. Across from Charmicheal pond. 1485 Comment
  UCR123995  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2001-7-6 6852 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  JEPS58684  Chrysolepis sempervirens W. L. Jepson 1924-7-18 10603 Plumas Soapstone Hill 1615 Comment
  CDA34550  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-1 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CDA10761  Chrysothamnus parryi subsp. latior R. V. Zahm 1964-8-27 Plumas Along railroad tracks, Almanor Railroad between Chester & Westwood. 0 Comment
  POM124123  Chrysothamnus parryi subsp. nevadensis I. M. Johnston 1919-9-2 2183 Plumas Keddie, open bench about the W. Pac. Station 982 Comment
  CAS-BOT-BC100820  Chrysothamnus viscidiflorus subsp. viscidiflorus David D. Keck 1938-8-9 4902 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  CHSC31226  Chrysothamnus viscidiflorus subsp. viscidiflorus M. S. Taylor 1980-10-8 3364 Plumas S side of Beckworth Rd ca. 1/4 mi se of its jct with Beckworth-Genesee Rd, ca. 10 mi e of Taylorsville. Comment
  CHSC110604  Chrysothamnus viscidiflorus var. viscidiflorus B. Castro; G. Kuenster 2006-8-4 1591 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  UCD19146  Chylismia claviformis subsp. integrior June McCaskill 19__? 465 Plumas Lake Almanor region. Comment
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Mar 18 2014
  CHSC108125  Cinna latifolia Lowell Ahart 2011-9-20 17692 Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2001 Comment
  JEPS28277  Cinna latifolia George W. Gillett 1957-7-13 797 .6 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park, Little Willow Lake into Willo 1767 Comment
  CHSC35931  Circaea alpina subsp. pacifica M. S. Taylor 1982-6-23 4714 Plumas Along creek (tributary to Middle Creek), on s side of Peoria Creek Rd (23N10), 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 1402 Comment
  SD8768  Cirsium andersonii Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  CHSC81346  Cirsium arvense Lowell Ahart 2001-9-18 9272 Plumas About 100 feet north of the pond, Butterfly Valley, about 5 miles (air) northwest of Quicy. 1104 Comment
  CAS-BOT-BC278089  Cirsium douglasii var. breweri John Thomas Howell 1959-9-22 34860 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC278101  Cirsium douglasii var. breweri Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC279961  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35979 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285546  Cirsium occidentale var. candidissimum John Thomas Howell 1951-6-29 27750 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC285539  Cirsium occidentale var. candidissimum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54205 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  SEINET3840891  Cirsium scariosum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3866 Plumas Two miles north of Turkey Point Fishing Access, USGA Quadrangle: Frenchman Lake 7.5 1700 Comment
  CAS-BOT-BC285837  Cirsium vulgare John Thomas Howell 1960-7-20 35711 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS59241  Cirsium vulgare W. L. Jepson 1939-8-8 19369 Plumas Quincy 1051 Comment
  SEINET9346512  Cistanthe monosperma Unknown 1981-6-26 3369 Plumas Walker Plains Comment
  CAS-BOT-BC228714  Cistanthe umbellata Anna Head 1920-6-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC228908  Cistanthe umbellata Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC228898  Cistanthe umbellata Lloyd W. Swift 1932-7-11 65 Plumas Plumas National Forest. Tamarack R.S. 1706 Comment
  CAS-BOT-BC228904  Cistanthe umbellata A. A. Heller 1938-5-30 15132 Plumas Along the Feather River near Bucks Creek power house Comment
  CAS-BOT-BC162584  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54213 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1584 Comment
  CAS-BOT-BC162588  Clarkia Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt. - Sierra Nevada 2133 Comment
  CAS-BOT-BC163168  Clarkia lassenensis Clare B. Hardham 1961-6-15 7421 Plumas Sierra Nevada Mountains. East of Taylorsville, Road to Engelmine [Engel Mine] 1219 Comment
  RSA122166  Clarkia lassenensis E. Sawyer 1935-6-5 71 Plumas 3.25 miles SE of Beckwith Butte 1585 Comment
  CAS-BOT-BC163269  Clarkia mildrediae subsp. lutescens L. P. Janeway 1995-7-29 4881 Plumas Along Oroville-Quincy Hwy 0.9 mi west of Grizzly Creek 1621 Comment
  SJSU15258  Clarkia mildrediae subsp. mildrediae S. Woolhouse 2007-6-9 11 Plumas Highway 70 Comment
  CHSC79778  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada. Approx. 1/4 mi N from USFS 23N22D terminus. 1400 Comment
  CAS-BOT-BC164927  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  CHSC70748  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas North side of East Branch North Fork Feather River, across from Paxton; along Hwy 70 0.8 mi west of junction with Hwy 89. Cutbank at beginning of dirt road off of the highway. 883 Comment
  HSC101679  Clarkia rhomboidea Dillon North Davis 2013-5-28 8 Plumas 4.1 miles south on FS Road 25N17 from intersection with Highway 70, ~ 400 m northwest of hairpin turn. 1520 Comment
  UCR3562  Clarkia rhomboidea Wm. Horn Jr. 1963-6-19 630619- 5 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  UC1143256  Clarkia rhomboidea H. and M. Lewis, F. Vasek 1950-6-30 747 Plumas 2.65 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  CHSC86950  Clarkia stellata L. P. Janeway 2001-6-19 7185 Plumas High Cascade Range. Willow Lake; along north side of the lake, above the trail 3-12 m. 1658 Comment
  CHSC72455  Clarkia unguiculata L. P. Janeway 1998-7-1 5694 Plumas Northwest side of North Fork Feather River and Hwy 70; southeast-facing slope above the road across from Injun Jim School. 621 Comment
  CDA23954  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-2 4974 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CAS-BOT-BC443640  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1967-5-9 42219 Plumas Feather River Canyon near mouth of Chambers Creek 609 Comment
  CDA14683  Claytonia rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3139 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
  SEINET10572733  Claytonia rubra Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3847 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  CAS-BOT-BC443801  Claytonia rubra subsp. rubra Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC21656  Claytonia rubra subsp. rubra D. Brink; L. Mayer 1975-7-21 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  SD6971  Collinsia grandiflora Mrs. R. M. Austin 1878-1 Plumas Indian Valley Comment
  UC103409  Collinsia grandiflora Mrs. R. M. Austin 1879-1 Plumas Indian Valley Comment
  CDA11853  Collinsia parviflora G. F. Hrusa, E. Sandoval 1993-5-3 11141 Plumas Vicinity; Snake Lake, south of Quincy. Comment
  SEINET3840860  Collinsia parviflora G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3829 Plumas South shore of Frenchman Reservoir, 0.4 miles east of Frenchman Dam, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  UCR115329  Collinsia parviflora G. D. Barbe, T. C. Fuller 1982-7-15 3748 Plumas Sierra Nevada, Shale road cut, 5.2 mi NE of junction with road to Red Hill, Plumas National Forest. BM: M 1524 Comment
  SD6970  Collinsia rattanii Mrs. R. M. Austin 1880-1 Plumas Plumas Co. Comment
  CHSC21344  Collinsia torreyi F. T. Griggs; A. Pass 1975-7-7 94 Plumas Gold and Silver Lakes. Comment
  UC1238980  Collinsia torreyi var. torreyi Freed W. Hoffman 1946-6-12 748 Plumas between Mohawk and Calpine 1524 Comment
  CHSC60144  Collinsia torreyi var. wrightii L. P. Janeway 1992-6-9 4227 Plumas Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. Plumas National Forest. 1897 Comment
  CHSC44973  Collomia K. R. Stern 1985-6-25 8230 Plumas Vicinity of Blairsden. Comment
  CHSC71647  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-8-11 9484 Plumas West of Bucks Lake on USFS 24N36, 0.1 mi east of Oroville-Quincy Hwy. Near Grizzly Creek. 1566 Comment
  SEINET13778165  Collomia linearis A. A. Heller, P. B. Kennedy 1907-7-9 8782 Plumas Prattville Comment
  CHSC63261  Collomia tinctoria Lowell Ahart 1994-6-15 7327 Plumas On the west side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC64122  Collomia tinctoria B. Castro; R. A. Schlising 1987-7-21 189 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98, along Rd.22N98 E of spring on unnamed E-trending tributary to Mohawk Ck and immediately E of a small meadow which extends from the spring down to Rd 22N98. On roadcut bank. 1569 Comment
  JEPS28665  Collomia tinctoria George W. Gillett 1957-7-23 888 Plumas summit of Mount Harkness Lassen Volcanic National Park 2446 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
  RSA59433  Collomia tracyi E. K. Balls 1950-9-15 15849 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  CAS-BOT-BC157363  Comarum palustre John Thomas Howell 1976-7-15 51834 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CHSC46694  Corallorhiza maculata Vernon Oswald 1983-8-17 1000 Plumas Pacific Crest Trail, ca. 2000 ft e of Humboldt Summit. 2011 Comment
  JEPS64323  Corallorhiza maculata W. I. Follett 1933-7-18 6 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  SEINET10470001  Corallorhiza maculata Mary Susan Taylor 1982-7-14 Taylor 4828 Plumas T26N R9E se/nw sec 29. Greenville SW quad. N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. Mixed Evergreen Forest; 5000 ft. 1524 Comment
  SEINET10470004  Corallorhiza maculata Lowell Ahart, Peter Ahart 1984-6-21 Ahart 4719 Plumas About 1 mi N of Turkeytown, along a dirt rd that cuts W to Hopkins Creek, not the road that will take you west to Onion Valley, ca. 2 mi NW of Blue Nose Mt, ca. 15 mi NE of LaPorte; Red Fir For. 200 Comment
  JEPS48639  Corallorhiza striata Esther C. Fritz 1933-6-27 Plumas Camp Califorest; woods w of faculty tent, near Schneider Falls trail 1188 Comment
  CHSC43491  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1974-8-7 592 Plumas In Cedar Flat, near Grixxly Mountain, about 1 mile south of Bucks Lake. 1828 Comment
  RSA88132  Cordylanthus tenuis subsp. tenuis J. T. Howell 1951-8-20 28224 Plumas Indian Valley. 1098 Comment
  CAS-BOT-BC209431  Cornus nuttallii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1569 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  CHSC21564  Cornus nuttallii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  SBBG50827  Cornus nuttallii J. D. Watjen 1969-5-4 39 Plumas Feather River Cyn, 9.2 mi SW of Confluence with Rock Crk 457 Comment
  CAS-BOT-BC210312  Cornus sericea Anna Head 1920-7-5 s.n. Plumas Lake Center Camp. Feather River Region 1920 Comment
  UCD117305  Cornus sericea June McCaskill 1954-5-31 327 Plumas State Highway 89, 2.6 miles north of Greenville. Comment
  CHSC21077  Cornus sericea subsp. sericea F. T. Griggs; A. Pass 1975-7-2 44 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21123  Corylus cornuta var. californica F. T. Griggs; A. Pass 1975-7-2 31 Plumas Buck's Lake Forest Service Survey. East of road. Comment
  CAS-BOT-BC290325  Crepis John Thomas Howell 1962-6-17 37723 Plumas Portola 1463 Comment
  RSA129860  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 miles SSE of Crow. 1982 Comment
  CDA17287  Crepis intermedia G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16314 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
  CHSC82078  Crepis intermedia L. P. Janeway 2001-8-5 7425 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  CDA17239  Crepis occidentalis G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16342 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
  JEPS36461  Crepis occidentalis L. S. Smith 1927-6-6 2035 Plumas road to Constantia; e side of Mts. Comment
  SJSU6472  Crepis occidentalis N. A. Hopkins 1971-6-19 402 .5 Plumas 7 mi S of Beckwourth, southeastern Plumas County 1524 Comment
  CAS-BOT-BC290855  Crepis pleurocarpa Alice Eastwood 1912-8-22 1902 Plumas Battle Creek Meadows, Lassen Butte Region Comment
  CHSC34929  Crepis pleurocarpa M. S. Taylor 1981-8-25 4242 Plumas N side of 26N22F-Red Hill Rd, 1.9 mi s of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi ne of Belden. 1615 Comment
  CDA1931  Crypsis alopecuroides J. T. Howell 1977-8-11 52716 Plumas East side of Frenchmans Reservoir near Big Cove. Comment
  CDA32032  Crypsis alopecuroides L. Ahart, J. Dittes 2009-9-7 16391 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  UCR244660  Cryptantha J. T. Howell, H. K. Wagnon 1980-5-28 53699 Plumas Sierra Nevada Mtns., Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River 854 Comment
  CDA13346  Cryptantha affinis G. F. Hrusa, T. D. Wilfred 1996-7-9 13194 Plumas Sierra Nevada; Grizzly Campground, S of Bucks Lake on Hwy 162. Comment
  RSA755439  Cryptantha affinis L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15858 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SD71011  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Drakesbad 1675 Comment
  CHSC79699  Cryptantha ambigua G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 58 W']. 2100 Comment
  SEINET10902871  Cryptantha echinella Mary Susan Taylor 1982-8-5 Taylor 4929 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  CHSC53191  Cryptantha simulans L. P. Janeway 1989-6-29 3420 Plumas Plumas National Forest. Just above rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CHSC63119  Cryptantha simulans Lowell Ahart 1994-7-7 7460 Plumas Plumas/Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  JEPS98964  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UCD107937  Cryptantha simulans Tim Kuhn 2006-6-13 52 Plumas south of Frenchman Lake. Comment
  RSA201284A  Cryptantha sobolifera J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  CDA32015  Cryptantha torreyana L. Ahart, J. Dittes, J. Guardino 2009-7-29 16223 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  RSA123898  Cryptantha torreyana E. Sawyer 1935-6-27 177 Plumas 3.7 miles N of Hawks. 1677 Comment
  SEINET1869803  Cryptantha torreyana Barbara Ertter 1988-1 7846 Plumas Diamond Mts. Ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct, meadow in mixed conifer forest 1981 Comment
  CAS-BOT-BC70527  Cryptogramma cascadensis George W. Gillett 1957-7-23 887 Plumas Mt. Harkness 2255 Comment
  MACF019599  Cupressus Trudy R. Ericson 1975-9-18 406 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  SEINET10866997  Cupressus bakeri Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4175 Plumas T26n R11E ne 1/4 sec 23. Genesse Valley quad. Open sage- brush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca 5 air mi N of Genesse. 1980 Comment
  UCD126251  Cuscuta californica John Thomas Howell 1960-7-18 35606 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC224543  Cuscuta californica L. P. Janeway 1984-9-1 1129 Plumas Lakes Basin Recreation Area, above Mud Lake 2072 Comment
  JEPS49762  Cycladenia humilis var. humilis R. M. Austin 1879-1 Plumas Dutch Hill Comment
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  CHSC73726  Cymopterus terebinthinus var. californicus B. Castro 1997-6-9 729 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  SD6710  Cynoglossum occidentale Mrs. R. M. Austin, Austin 1880-1 Plumas Comment
  SEINET10497517  Cynoglossum occidentale Mary Susan Taylor 1982-6-2 Taylor 4591 Plumas T23N R12E se/se sec 19. Johnsville quad. W side of spur rd, 0.3 mi n of its jct to 23N49, ca. 0.5 air mi se of Jackson Campround, ca. 5 air mi n of Mohawk. 5000 ft. 1524 Comment
  JEPS94295  Cyperus eragrostis Lowell Ahart 1997-9-11 7912 Plumas about 2 air mi ne of Belden (on the e side of Caribou Road, on the e side of the North Fork Feather River at the elevated siphon); North Fork Feather River, Caribou Road 731 Comment
  CAS-BOT-BC114544  Cyperus eragrostis Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass. Comment
  CHSC117631  Cyperus squarrosus Lowell Ahart 2016-8-30 21329 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC81167  Cyperus squarrosus Lowell Ahart 2001-8-29 9249 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UCD141153  Cyperus strigosus John Thomas Howell 1959-9-26 35080 Plumas Storrie. 548 Comment
  UC336579  Cypripedium fasciculatum Mrs. Austin Plumas Indian Valley Comment
  UC116922  Cypripedium montanum Mrs. R. M. Austin July, 1874 197 Plumas Butterfly Valley Comment
  CAS-BOT-BC189787  Dactylis glomerata John Thomas Howell 1961-6-21 36683 Plumas Sierra Nevada. Greenville. 1097 Comment
  CHSC82442  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9831 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
  JEPS115893  Dactylis glomerata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16132 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-BC186623  Danthonia californica Walter Knight; Irja Knight 1966-6-18 1376 Plumas Butterfly Valley 1036 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
  POM115082  Danthonia californica var. americana Marcus E. Jones 1897-7-3 s.n. Plumas Prattville [county not specified on label] 1372 Comment
  CAS-BOT-BC192350  Danthonia unispicata John Thomas Howell; Gordon H. True 1967-7-11 43296 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CHSC30541  Danthonia unispicata J. D. Jokerst 1979-8-29 307 Plumas S of jeep rd, W of Morris Lake. Comment
  CHSC91832  Danthonia unispicata G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3136 Plumas Sierra Nevada. 3.25 mi west of Round Valley Reservoir Dam; 0.25 mi east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  UCD61354  Danthonia unispicata G. Douglas Barbe; T. C. Fuller 1982-6-17 3852 Plumas East shore Frenchman Lake; Crystal Fishing Access. 1706 Comment
  CHSC1625  Darlingtonia californica R. Calkins 1932-7-1 Plumas Na Wak Wa, near Longville. ... Field redacted by CHSC, contact the data manager for more information 1310 Comment
  HSC101697  Darlingtonia californica Dillon North Davis 2013-5-22 1 Plumas 3.4 miles south on FS Road 25N17 from intersection with Highway 70 1280 Comment
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Jun 29 2016
  RSA599868  Darlingtonia californica Louis C. Wheeler 1959-7-16 7574 Plumas Butterfly Valley. Comment
  UC115308  Darlingtonia californica Mrs. R. M. Austin 1874-5 306 Plumas Cold Springs Butterfly Valley Comment
  UC1191518  Darlingtonia californica Malcolm A. Nobs and S. Galen Smith 1949-8-19 1434 Plumas Butterfly Valley Butterfly Valley (bog and marsh) Comment
  SEINET7720705  Delphinium decorum Unknown 1883-1 Plumas Big Meadows Comment
  CAS-BOT-BC8922  Delphinium depauperatum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1916 Plumas Butterfly Botanical Area, between valley proper and Darlingtonia bog 1066 Comment
  CHSC63267  Delphinium gracilentum Lowell Ahart 1994-6-15 7336 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  JEPS87747  Delphinium gracilentum Lowell Ahart 1994-6-15 7336 Plumas near intersection of Lumpkin Ridge Rd and rd to Tamarack Flat (about 200 yds e of a logging road, about 1 air mi w of Little Grass Valley Reservoir) 1767 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
  CHSC85683  Delphinium nudicaule G. Douglas Barbe; T. C. Fuller 1982-7-15 3739 Plumas Sierra Nevada. 2.1 miles northeast of junction with road to Red Hill Summit; on road bank, Plumas National Forest. 1524 Comment
  RSA0093359  Delphinium nudicaule Bonnie C. Templeton 1968-6-8 11217 Plumas Twain Rd., west of Butterfly Valley, ca 10 mi. west of Quincy. Comment
  CAS-BOT-BC116474  Delphinium nuttallianum W. W. Wagner 1919-5-15 257 Plumas Massack Creek 1432 Comment
  SD58356  Delphinium nuttallianum Sether C. Fritz 1933-7-25 Plumas In meadow on slopes of Spanish Peak 2133 Comment
  CAS-BOT-BC116126  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-16 7474 Plumas Diamond Peak. Edge of woods near tree line. Comment
  RSA59275  Dendromecon rigida E. K. Balls 1950-8-31 15569 Plumas Quincy, behind Forest Ranger Station 1098 Comment
  CDA31656  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas W side of Lake Almanor 0 Comment
  CAS-BOT-BC198149  Deschampsia danthonioides John Thomas Howell 1951-6-27 27588 Plumas McRae Meadow - Sierra Nevada 1981 Comment
  CHSC96866  Deschampsia danthonioides Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14028 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  RSA88584  Deschampsia danthonioides L. S. Rose 1954-5-30 54064 Plumas Johnsville 1601 Comment
  CAS-BOT-BC201897  Deschampsia elongata John Thomas Howell 1961-6-21 36685 Plumas Greenville 1097 Comment
  CDA34551  Deschampsia elongata L. Ahart 2008-9-1 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  SBBG128585  Deschampsia elongata L. Ahart 2008-9-10 15369 Plumas bottom of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Resservoir, ca. 1 mi NE of La Porte 1593 Comment
  JEPS87599  Descurainia incana Lowell Ahart 1994-7-7 7451 Plumas about 0.75 air mi se Pilot Peak (on n side of Pacific Crest Trail, on Bunker Hill Ridge, Plumas County and Sierra County); Bunker Hill Ridge 2011 Comment
  CHSC96994  Descurainia pinnata subsp. intermedia L. P. Janeway; B. Castro 2007-6-7 9033 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek. 1672 Comment
  UC501389  Descurainia sophia David D. Keck Jul 3 1932-Jul 5 1932 1664 Plumas Quincy Northern Sierra Nevada (within a few meters of the main street) Comment
  CHSC21103  Dicentra formosa F. T. Griggs; A. Pass 1975-7-1 8 Plumas East of Grizzly Creek. Comment
  CHSC55723  Dicentra formosa subsp. formosa Steven Triano 1988-4-17 51 Plumas Along unnamed tributary to North Fork Feather River, ca 0.1 mi S of Rock Creek Dam and 40 ft W of Hwy 70 640 Comment
  CAS-BOT-BC402543  Dicentra pauciflora Lowell Ahart 1986-7-4 5324 Plumas West of the small wash, S of the road where it crosses Onion Valley Creek, near Onion Valley, ca. 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte 1828 Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  CHSC41423  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, 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-west of La Porte. 1828 Comment
  CAS-BOT-BC483632  Dichelostemma capitatum Ella Dales Cantelow 1940-5-10 3927 Plumas West of Busks Lake Comment
  POM319465  Dichelostemma congestum Patricia Wilder 1971-6-21 5138 Plumas 2.8 mi north of California State Hwy 70 on Prattville-Butt Reservoir Road between Belden and Caribou. Cascade - Sierra Nevada Mtn. Range. Drainage Area: Feather River North Fork. 762 Comment
  CAS-BOT-BC292273  Dieteria canescens John Thomas Howell 1977-8-11 52674 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CHSC97063  Dieteria canescens var. canescens Lowell Ahart; Josephine Guardino 2007-7-21 14379 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  CAS-BOT-BC290981  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. line 1463 Comment
  CAS-BOT-BC209011  Digitaria sanguinalis John Thomas Howell 1959-9-21 34724 Plumas Belden - Sierra Nevada 701 Comment
  CAS-BOT-BC150482  Diplacus grandiflorus Ella Dales Cantelow 1940-5-12 4341 Plumas S.W. of Belden, N. fork Feather River Comment
  CHSC21208  Diplacus mephiticus F. T. Griggs; A. Pass 1975-7-11 162 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC41143  Diplacus mephiticus J. D. Jokerst 1984-6-13 2048 Plumas Ca 2 air miles east of Peacock Point, south of Grizzly Cr, along USS road 26N08. 1432 Comment
  CHSC53220  Diplacus mephiticus L. P. Janeway 1989-6-9 3277 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC65843  Diplacus mephiticus L. P. Janeway 1995-6-25 4817 Plumas 0.3-0.5 mi east of the rad from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1438 Comment
  CAS-BOT-BC151695  Diplacus torreyi Thomas H. Kearney 1944-8-14 135 Plumas Near Prattville, Lake Almanor Comment
  CHSC77063  Diplacus torreyi L. P. Janeway 1996-8-20 5072 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CHSC89535  Diplacus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas On N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  CAS-BOT-BC151689  Diplacus torreyi Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen National Park Comment
  CAS-BOT-BC136150  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas North side of Big Grizzly Creek at northwest end of Lake Davis - Plumas National Forest, Beckwourth Ranger District 1764 Comment
  SD120610  Downingia bacigalupii Barbara Ertter, Jeffrey Strachan 1980-7-31 3893 Plumas East side Red Clover Valley on Beckwourth-Milford Road, Plumas National Forest. 1675 Comment
  SD62432  Downingia bicornuta var. bicornuta John H. Weiler, L. Constance, E. Moleseed 1960-6-12 60153 Plumas Beside State highway 89, 2.5 miles northwest of Lake Almanor Public Camp. Comment
  UC711958  Downingia bicornuta var. bicornuta Roxana S. Ferris and Laura Lorraine 1941-8-9 10434 Plumas about 2.5 mi from Lake Almanor Public Camp (State Highway 89, on road to Chester) Comment
  CHSC10630  Draba verna Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  JEPS84392  Drosera X obovata V. Oswald and W. Dempsey 1989-8-3 3914 c Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  CHSC44252  Drosera anglica Vernon Oswald 1988-7-19 3606 Plumas Willow Lake located se of Drakesbad just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UCD99510  Drosera anglica Barry Rice 2009-7-5 BR 090704 Plumas at Robbers Spring. Comment
  CAS-BOT-BC401582  Drosera rotundifolia Malcom A. Nobs; S. Galen Smith 1949-8-19 1446 Plumas At Butterfly Valley Comment
  CHSC21539  Drosera rotundifolia L. Mayer; D. Brink 1975-7-25 Plumas Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  RSA0011662  Drosera rotundifolia R. Weatherby 1950-7-21 1482 Plumas Butterfly Lake, Quincy district. 1220 Comment
  RSA0055038  Drosera rotundifolia Anonymous s.n. Plumas [Unspecified] Comment
  OBI2928  Drymocallis lactea var. austiniae Lewis S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly crk and Spanish Crk, near Keddie 975 Comment
  JEPS48881  Drymocallis lactea var. austiniae Esther C. Fritz 1933-7-14 Plumas n Faculty tents (Camp Califorest, near Schneider Meadow fence); near Schneider Meadow fence, Camp Califorest Comment
  CAS-BOT-BC159350  Drymocallis lactea var. lactea Rimo Bacigalupi 1927-7-11 1706 Plumas Near Bear Lake, Gold Lake Region 1889 Comment
  CAS-BOT-BC113790  Dulichium arundinaceum V. Oswald; Lowell Ahart 1988-8-4 3662 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park. 1676 Comment
  CDA38960  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. Comment
  CHSC36508  Dysphania botrys L. Ahart 1981-9-6 3075 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mill. 1200 Comment
  CHSC113859  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 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
  JEPS122112  Elatine Lowell Ahart 2014-8-24 19740 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS102762  Eleocharis acicularis Lowell Ahart 2001-9-24 9195 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CHSC81170  Eleocharis acicularis var. occidentalis Lowell Ahart 2001-9-24 9195 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC113541  Eleocharis bella E. K. Balls 1950-8-31 15548 Plumas Spanish creek off Hwy 24, just N of Quincy. 1066 Comment
  CHSC68424  Eleocharis bella L. P. Janeway 1996-7-17 5050 Plumas Southwest side of Dotta Canyon near Dotta Neck, adjacent to Road 24N32. 1709 Comment
  CHSC94993  Eleocharis bella Lowell Ahart 2006-10-23 13486 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  RSA59249  Eleocharis bella E. K. Balls 1950-8-31 15548 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CAS-BOT-BC113391  Eleocharis engelmannii Walter Knight; Irja Knight 1966-6-18 1335 Plumas In meadow near pond, Butterfly Valley. 1097 Comment
  CAS-BOT-BC113148  Eleocharis palustris George Wilson Gillett 1957-7-18 827 Plumas Meadow at N end of Willow Lake, along inlet from Little Willow Lake. 1661 Comment
  CHSC81419  Eleocharis torticulmis Lowell Ahart 2001-9-18 9277 Plumas South of the Darlingtonia Bog and east of the dirt road, north of the Jeep Road to the pond, about 100 yards northwest of the pond, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1104 Comment
  CAS-BOT-BC227727  Elymus elymoides Clare B. Hardham 1975-8-2 20466 Plumas Black Mt. 2133 Comment
  RSA95477  Elymus elymoides L. S. Rose 1954-5-30 54079 Plumas Beckwourth. 1524 Comment
  UC1037259  Elymus glaucus Leo Whitney 1933-9-25 104 Plumas near Squaw Canyon (ne of Plumas National Forest) 2133 Comment
  UCD62308  Elymus glaucus John Thomas Howell 1959-9-26 35054 Plumas Near Virgilia. 841 Comment
  SEINET10554310  Elymus glaucus John Thomas Howell 1961-6-21 Howell 36674 Plumas Greenville. 1097 Comment
  SEINET10554337  Elymus glaucus John Thomas Howell 1975-7-22 Howell 51373 Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden. In woods adjacent to but not on serpentine. 1173 Comment
  OBI22562  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy 1036 Comment
  SEINET4674684  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy Meadow.; 0 1036 Comment
  CHSC117575  Elymus multisetus Lowell Ahart 2016-7-9 21094 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UCD62423  Elymus multisetus G. L. Stebbins Jr. 1939-7-6 2902 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC213819  Elymus repens John Thomas Howell 1975-7-22 51347 Plumas Quincy Junction Road near Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC204212  Elymus stebbinsii subsp. septentrionalis John Thomas Howell; Gordon H. True 1968-6-12 44561 Plumas Near Lewisia Rock in Feather River Canyon 609 Comment
  UCD62713  Elymus trachycaulus John Thomas Howell 1960-7-18 35547 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC204405  Elymus trachycaulus subsp. trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  CDA34552  Elytrigia intermedia subsp. intermedia L. Ahart 2008-9-1 15370 Plumas On the north side of East Branch Creek, on the south side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC101950  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2009-7-13 16040 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  RSA794790  Elytrigia intermedia subsp. intermedia L. Ahart, John Dittes 2009-7-13 16040 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CAS-BOT-BC392225  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-30 s.n. Plumas Rich Gulch Comment
  CAS-BOT-BC82030  Ephedra viridis L. S. Smith 1927-5-30 2064 Plumas Tahoe Forest, Sierra Valley, E side 1828 Comment
  UCD132879  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC165925  Epilobium John Thomas Howell; H. Keith Wagnon 1980-5-28 53711 Plumas North Fork Feather River Canyon 4 miles northeast of Pulga Bridge Comment
  JEPS43853  Epilobium brachycarpum W. L. Jepson 1939-8-16 19428 Plumas Portola Comment
  RSA0105468  Epilobium brachycarpum Lowell Ahart 2014-8-26 19784 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4, miles (air) north of La Porte. 1533 Comment
  SEINET12194588  Epilobium brevistylum L. Ahart, Ahart, P. 1985-1 5183 Plumas ca 4.5 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows in 1585 Comment
  CAS-BOT-BC171715  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 s.n. Plumas Feather River Canyon Comment
  CHSC43406  Epilobium canum subsp. latifolium Lowell Ahart 1979-8-4 2009 Plumas About 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1828 Comment
  CHSC43547  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 610 Plumas In a ravine near the road, about 1/2 mile north of Nelson Creek and near Zumwalt Flat, about 11 miles south-west of Sloat. 1676 Comment
  CHSC113850  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-9-9 16849 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
  RSA0105544  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 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
  CHSC94780  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south 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
  CHSC97094  Epilobium ciliatum subsp. glandulosum Lowell Ahart; Josephine Guardino 2007-7-20 14345 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS118382  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  SEINET12867992  Epilobium densiflorum A. A. Heller, P. B. Kennedy 1907-7-17 8877 Plumas Red Clover Valley Comment
  RSA515526  Epilobium foliosum J. T. Howell, H. Keith Wagnon 1980-5-28 53698 Plumas Sierra Nevada: Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River. 854 Comment
  SEINET12861783  Epilobium hallianum A. A. Heller 1907-7-9 8785 Plumas [Sierra Nevada] Prattville Comment
  CHSC116378  Epilobium hornemannii subsp. hornemannii Sara M. Taylor; Scott Batiuk 2012-7-31 55 Plumas Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, NAD 83, 4428172 N, 659702 E. 1573 Comment
  UC1755160  Epilobium luteum Dean W. Taylor 2001-8-1 17873 Plumas Hopkins Creek, along Forest Road 23N10 0.2 road miles N of the creek crossing, on a small waterfall of 3 cascades originating as a spring 1685 Comment
  CDA19257  Epilobium minutum G. D. Barbe, T. C. Fuller 1982-6-17 3855 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CAS-BOT-BC57896  Equisetum X ferrissii John Thomas Howell 1961-9-23 36844 Plumas Indian Valley. 1082 Comment
  CHSC57792  Equisetum arvense Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 b Plumas Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. 1658 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
  CHSC34294  Equisetum hyemale subsp. affine M. S. Taylor 1981-8-19 4224 Plumas 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat. 1341 Comment
  CAS-BOT-BC174182  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon 609 Comment
  CAS-BOT-BC174211  Eremogone congesta var. congesta L. P. Janeway 1993-7-15 4451 Plumas Top of divide between upper Spanish Creek and East Branch North Fork Feather River (above Virgilia). Along Rd 25N59 0.5 mi west of Rd 25N17. Plumas National Forest, Quincy Ranger Station 1609 Comment
  OBI19554  Eremogone congesta var. congesta Lewis S. Rose 1967-7-12 67172 Plumas 1 mi S of Keddie; Butterfly Crk and Spanish Crk 884 Comment
  CAS-BOT-BC174296  Eremogone congesta var. suffrutescens Anna Head 1921-7-11 s.n. Plumas Top of Indian Peak, Feather River Region Comment
  CAS-BOT-BC174361  Eremogone kingii var. glabrescens L. P. Janeway 1991-5-29 3974 Plumas West end of Red Clover Valley; 1/2 mi. south of Beckwourth-Genesee Road (road 111) on the Bagley Pass Road. Plumas National Forest, Beckwourth Ranger District 1691 Comment
  CHSC97259  Eremogone kingii var. glabrescens Lowell Ahart; John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  RSA0124154  Eriastrum signatum L. S. Rose 1955-7-19 55140 Plumas Beckworth Pass. 1494 Comment
  UC965589  Eriastrum signatum Herbert L. Mason 1952-7-17 14378 Plumas on road to Beckwourth 3 mi from Loyalton; Sierra Nevada, Sierra Valley 1524 Comment
  CAS-BOT-BC286656  Ericameria bloomeri John Thomas Howell 1961-9-25 36962 Plumas Portola 1478 Comment
  RSA21573  Ericameria bloomeri C. B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  RSA59903  Ericameria bloomeri E. K. Balls 1950-9-14 15818 Plumas 6 miles NW of Chester, North Fork Feather River 1402 Comment
  SDSU3894  Ericameria bloomeri D. F. Howe 1960-9-21 2989 Plumas 9 miles from junction with #89 on road to Susanville, east side of Lake Almanor. 1463 Comment
  UC762561  Ericameria bloomeri R. F. Hoover 1940-9-22 4627 Plumas Chester Comment
  CAS-BOT-BC299437  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  JEPS75257  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 35021 Plumas summit of Beckwourth Pass Sierra Nevada, Beckwourth Pass 1588 Comment
  UC1119859  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-7 254 Plumas 3 1/4 mi se of English Bar; Downieville Quad. 1554 Comment
  UCD109563  Ericameria nauseosa var. speciosa Chuck Hughes 2011-11-3 301 Plumas About 0.5 mile west of Beckwourth Genesee Road. 1781 Comment
  CAS-BOT-BC294313  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park 1615 Comment
  JEPS95180  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas 1.6 mi s of Last Chance Campground (Forest Road 29N11 on e side of Last Chance Marsh at the n end of Lake Almanor); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  CAS-BOT-BC293020  Ericameria parryi var. nevadensis Clare B. Hardham 1975-8-2 20479 Plumas Black Mt. 2133 Comment
  CHSC36920  Erigeron bloomeri M. S. Taylor 1982-6-10 4628 Plumas Along 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1676 Comment
  OBI64836  Erigeron canadensis John C. Dittes 2005-7-26 1245 Plumas T27N, R12E, NW 1/4, Sect 30; Kettle rock 7.5'Quad. Northern High Sierra nevada Range; ca 10.6 air miles N X NE of Taylorsville, ca 9.6 air miles S of Diamond Mtn, ca 14. 0 airmiles E of Green ville; watershed of Hungry Crk; at disturbed N edge of FS Rte 27N09 where seasonal drainage crosses rd 1801 Comment
  CHSC53126  Erigeron coulteri L. P. Janeway 1990-7-25 3814 Plumas Plumas National Forest. About 0.2 mi northwest of Emigrant Creek and about 0.3 mi southeast of Little Grizzly Creek. 1828 Comment
  CAS-BOT-BC296006  Erigeron divergens L. P. Janeway 1995-8-24 4899 Plumas Near head of a small western tributary to Willow Creek, 0.6 mi. east of Penman Saddle 1935 Comment
  CAS-BOT-BC296013  Erigeron divergens H. M. Hall; E. B. Babcock 1903-7-1 4446 Plumas Red Clvoer Creek, Sierra Nevada Mountains 1097 Comment
  RSA302614  Erigeron divergens J. R. Shevock 1972-5-19 1792 Plumas Near Greenville, Hwy. 89 915 Comment
  UC87684  Erigeron eatonii var. plantagineus T. S. Brandegee 1892-7-4 Plumas Prattsville Comment
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  CAS-BOT-BC300420  Erigeron eatonii var. sonnei John Thomas Howell; H. Keith Wagnon 1980-5-27 53620 Plumas 1 mile west of Almanor 1386 Comment
  RSA523562  Erigeron eatonii var. sonnei Barbara Ertter 1989-7-3 8651 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CHSC59894  Erigeron filifolius L. P. Janeway; Laurie Lamm 1992-7-21 4271 Plumas Plumas National Forest, Beckwourth Ranger District, about 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaisance Peak. In rocks and talus below rock outcrop above end of Road 24N91Y. 2103 Comment
  CHSC97279  Erigeron filifolius var. filifolius Lowell Ahart; John Dittes 2007-8-9 14433 Plumas In the poor road, east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC295217  Erigeron inornatus Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CAS-BOT-BC295422  Erigeron inornatus var. calidipetris John Thomas Howell 1959-9-24 34958 Plumas Near Cromberg 1249 Comment
  CHSC115898  Erigeron lassenianus var. deficiens L. P. Janeway 2015-7-29 11808 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  UC1731907  Erigeron lassenianus var. deficiens Glenn Clifton 1992-6-27 26859 Plumas Monitor Flat, Feather River Watershed Monitor Flat; , Feather River Watershed 1926 Comment
  CAS-BOT-BC295485  Erigeron lassenianus var. lassenianus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2454 Plumas Butterfly Botanical Area and vicinity. Butterfly Creek Canyon 990 Comment
  CAS-BOT-BC295493  Erigeron lassenianus var. lassenianus Lewis S. Rose 1939-6-8 39264 Plumas S. end of Lake Almanor 1371 Comment
  JEPS41809  Erigeron lassenianus var. lassenianus W. L. Jepson 1910-6-14 4125 Plumas Prattville 1310 Comment
  CAS-BOT-BC295499  Erigeron lassenianus var. lassenianus H. M. Hall; E. B. Babcock 1903-7-1 4419 Plumas Sierra Nevada Mountains. On Warner Creek 1463 Comment
  UC1538513  Erigeron lassenianus var. lassenianus John L. Strother 1987-6-28 1360 Plumas ca 17 mi n Beckwourth (along road to Genese, w of Red Clover Valley) 1700 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  JEPS119933  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas 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. Comment
  SD132032  Erigeron salsuginosus var. angustifolius Rimo Bacigalupi, Aldo Bacigalupi 1952-8-19 3950 Plumas Mt. Elwell region, about 1.5 miles north of Sierra Co. line; at end of road and beginning of trail to Long Lake 1980 Comment
  SD132031  Erigeron sonnei Barbara Ertter, Gary Schoolcraft 1989-7-3 8651 Plumas Slope below Red Rock lookout, ca. 8 miles south of Susanville. Comment
  SEINET8655782  Eriogonum baileyi var. praebens W. Harnach 2015-7-26 1434 Plumas Beckwourth Pass 1594 Comment
  RSA756700  Eriogonum douglasii var. douglasii Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  CAS-BOT-BC256169  Eriogonum douglasii var. meridionale A. A. Heller; P. B. Kennedy 1907-7-4 8717 Plumas Ridge east of Red Clover Valley Comment
  SDSU6520  Eriogonum elatum D. F. Howe 1978-7-16 5079 Plumas Rte 49 3 miles north of Loyalton. 1463 Comment
  RSA252384  Eriogonum elatum var. elatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39251 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC259353  Eriogonum lobbii M. S. Taylor 1982-8-5 4930 Plumas Mt Hough summit, on cliff edge, ca. 7 mi nne of Quincy 2194 Comment
  CAS-BOT-BC267329  Eriogonum luteolum var. pedunculatum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Indian Valley Road near Crater Nat'l. Park Comment
  SEINET524404  Eriogonum marifolium Paul A. Opler 2003-6-26 Plumas Trail to Frazier Fall, Graeagle Rd. Comment
  CAS-BOT-BC263297  Eriogonum marifolium var. marifolium Clare B. Hardham 1970-8-9 17716 II Plumas Road to Thompson Peak Lookout 2133 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
  UCR270417  Eriogonum nudum John F. Emmel 2000-8-4 1684 Plumas Sierra Nevada Mtns., Mapes Canyon Road, c. 3 air miles NNW of Beckwourth 1585 Comment
  CAS-BOT-BC264817  Eriogonum nudum var. deductum John Thomas Howell 1955-7-20 30853 Plumas Mohawk, Sierra Nevada 1371 Comment
  CHSC21353  Eriogonum nudum var. deductum F. T. Griggs; A. Pass 1975-7-8 130 Plumas Buck's Lake. Comment
  SEINET3160016  Eriogonum nudum var. deductum E. K. Balls 1950-9-1 15582 Plumas east shore Long Lake, towards Mt. Elwell 2103 Comment
  SEINET10479526  Eriogonum nudum var. deductum Mary Susan Taylor 1981-7-17 Taylor 4038 Plumas T21N R12E se/se sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, in front of Big Bear Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1987 Comment
  CAS-BOT-BC261587  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat 1615 Comment
  CAS-BOT-BC261600  Eriogonum nudum var. nudum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CDA19226  Eriogonum nudum var. oblongifolium G. D. Barbe, T. C. Fuller 1982-6-17 3799 Plumas Plumas National Forest; Junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co line. 1371 Comment
  RSA238625  Eriogonum nudum var. oblongifolium James L. Reveal 1971-6-23 2469 Plumas Along CA Hwy 70 and 89, 2.2 miles north of Keede and about 1 mile north of the bridge over Spanish Creek. 915 Comment
  NY773572  Eriogonum ovalifolium var. purpureum Collector unspecified 1880-1 s.n. Plumas Comment
  JEPS113829  Eriogonum spergulinum var. reddingianum Lowell Ahart, John Dittes 2007-6-17 14175 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  UC1032248  Eriogonum spergulinum var. reddingianum E. Sawyer 1935-6-27 199 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  RSA756720  Eriogonum spergulinum var. reddingianum Barbara J. Ertter 1988-7-25 7853 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  RSA670471  Eriogonum sphaerocephalum G. D. Barbe, T. C. Fuller 1982-6-17 3816 Plumas South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1707 Comment
  CDA19246  Eriogonum strictum var. anserinum G. D. Barbe, T. C. Fuller 1982-6-17 3816 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC63467  Eriogonum strictum var. anserinum Lowell Ahart 1994-7-20 7483 Plumas Open bare area, on both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Label said both Plumas and Sierra County. 1981 Comment
  SEINET11933188  Eriogonum strictum var. anserinum Taylor 1981-1 3937 A Plumas Grizzly Valley quad., N side of rd 25N93, ca 1.5 mi NW of Bagley Pass, ca 12 mi N of Blairsden 1768 Comment
  CHSC34743  Eriogonum strictum var. proliferum M. S. Taylor 1981-6-18 3937 A Plumas N side of rd 25N93, ca. 1.5 air mi nw of Bagley Pass, ca. 12 mi n of Blairsden. 1767 Comment
  CAS-BOT-BC267496  Eriogonum umbellatum M. S. Taylor 1982-8-4 4912 Plumas Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy 1737 Comment
  JEPS124136  Eriogonum umbellatum var. ahartii Lowell Ahart, John Deurloo 2015-8-25 20529 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  NY381117  Eriogonum umbellatum var. dumosum R. M. Austin 1875-1 185 Plumas Comment
  SEINET5331802  Eriogonum umbellatum var. dumosum A. A. Heller, P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC104744  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. 1759 Comment
  CHSC41898  Eriogonum umbellatum var. modocense Lowell Ahart 1986-7-25 5371 Plumas Along Cleghorn Bar Road, about 1 1/2 mi west of Finger Board, about 4 mi northwest of Pilot Peak. 1828 Comment
  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
  UCSB63570  Eriogonum umbellatum var. modocense Jokerst, James 1985-7-23 Plumas above Hwy. 70 N of Indian Creek; due N of Indian Falls: T26N R9E SE1/4 SW1/4 Sect. 34 807 Comment
  CAS-BOT-BC265149  Eriogonum umbellatum var. nevadense A. A. Heller; P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley Comment
  CAS-BOT-BC265166  Eriogonum umbellatum var. nevadense Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC265171  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-28 4776 A Plumas On S side of Feather River SW of jct. of Hwy 70 and Calpine Road, ca. 1 mi. SW of Beckwourth 1487 Comment
  CHSC32043  Eriogonum umbellatum var. nevadense L. Ahart 1975-7-20 923 Plumas On ridge e of Mt. Etna, ca. 10 mi ne of La Porte. 2133 Comment
  CHSC34728  Eriogonum umbellatum var. nevadense M. S. Taylor 1981-6-16 3910 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak Lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  CHSC39995  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-5 4925 Plumas Mt Hough summit, ca. 7 mi nne of Quincy. 2194 Comment
  CHSC58175  Eriogonum umbellatum var. nevadense Vernon H. Oswald 1992-6-18 4996 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Common in crevices on rocky cliffs bordering the creek. 1621 Comment
  UC1032275  Eriogonum umbellatum var. nevadense C. W. Hanks 1934-8-9 27 Plumas mtns. n Sierra Valley; Plumas National Forest, Sierraville Quadrangle 1859 Comment
  SEINET10479561  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1981-6-16 Taylor 3910 Plumas T23N R13E sw/sw sec 4. Grizzly Valley quad. NW side of rd 24N07, ca. 1 mi NW of Smith Peak Lookout, ca. 7 mi NE of Blairsden. Open gravelly slope in Sagebrush Scrub; 6800 ft elev. 2073 Comment
  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
  CHSC108118  Eriogonum umbellatum var. polyanthum Lowell Ahart 2011-9-17 17672 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  CHSC82122  Eriogonum umbellatum var. polyanthum L. P. Janeway 2001-8-5 7420 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  RSA88554  Eriogonum umbellatum var. polyanthum J. T. Howell 1951-6-29 27748 Plumas Spring Garden Creek. 1159 Comment
  CAS-BOT-BC262245  Eriogonum ursinum Mary Strong Clemens 1920-6-23 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC262251  Eriogonum ursinum L. P. Janeway 1990-7-25 3810 Plumas Plumas National Forest, Beckwourth Ranger District. Just above Emigrant Creek and 1 1/4 mi south of Little Grizzly Creek 1950 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
  NY323637  Eriogonum ursinum Mrs. Ames s.n. Plumas Light's Canyon Comment
  POM180959  Eriogonum ursinum P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Gizzly Creck. Comment
  SEINET11924837  Eriogonum ursinum Unknown 1979-1 2003 Plumas Bear Valley, about 1 mi W of Pilot Peak, about 12 mi NE of La Porte, Red Fir Forest 1707 Comment
  UC635436  Eriogonum ursinum Herbert L. Mason 1924-6-19 1070 Plumas near base of Mt. Elwell; Bear Lake Comment
  CAS-BOT-BC262327  Eriogonum vimineum W. Harnach; N. Harnach 1990-6-16 387 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  CHSC40865  Eriogonum vimineum K. R. Stern 1985-6-25 8215 Plumas Vicinity of Blairsden. 1371 Comment
  CHSC79076  Eriogonum vimineum L. P. Janeway; B. Castro 2000-7-3 6879 Plumas Northern High Sierra Nevada. At Hwy 70 overlook of Rich Bar; East Branch North Fork Feather River. 786 Comment
  CHSC97030  Eriogonum vimineum L. P. Janeway; B. Castro 2007-6-23 9069 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek, 10 m southwest of the creek channel. 1673 Comment
  CHSC97100  Eriogonum vimineum Lowell Ahart; Josephine Guardino 2007-7-20 14318 Plumas Along a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  CAS-BOT-BC264125  Eriogonum vimineum W. Harnach; N. Harnach 1991-6-29 591 Plumas 4 miles north of Loyalton on Co. road !-24 (6 mile road) 1490 Comment
  SEINET10904448  Eriogonum vimineum Mary Susan Taylor 1981-6-25 Taylor 3953 Plumas T24N R16E nw/ne sec 5. Frenchman Lake quad. On hill at NE jct of 25N11 and spur rd 25N71, near Last Chance Creek, ca. 0.5 mi N of N tip of the lake, ca. 13 mi NW of Chilcoot. Open bare areas on dry sandy soil; 5700 ft elev. 1737 Comment
  CHSC54499  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1991-7-30 4794 Plumas Big Springs on the west side of Humbug Valley, ca. 7 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced enclosure at the springs. 1310 Comment
  UC1748292  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas 1.1 km NE of Maple Flat ( at head of an upper northern branch of Spanish Creek); Northern High Sierra Nevada 1609 Comment
  UC334116  Eriophorum gracile unknown Aug. 1874 1038 Plumas Indian Valley, Big Meadows Comment
  LA203596  Eriophyllum lanatum Lincoln Constance; 1933-7-5 E 116 Plumas 1 mi. W of Keddie Comment
  CAS-BOT-BC301415  Eriophyllum lanatum var. grandiflorum Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  RSA600707  Eriophyllum lanatum var. grandiflorum L. C. Wheeler 1959-7-15 7568 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  UC298459  Eriophyllum lanatum var. grandiflorum A. A. Heller 1913-6-13 10855 Plumas near Quincy 1066 Comment
  UC725464  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas on the Feather River Highway near Rich Bar (on roadside banks); Feather River Highway 914 Comment
  CAS-BOT-BC308266  Eriophyllum lanatum var. integrifolium Lewis S. Rose 1934-7-23 34412 Plumas Chilcoot, Sierra Valley 1522 Comment
  CAS-BOT-BC308271  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-15 14614 Plumas On trail to Long Valley Comment
  UC1118251  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-10 94 Plumas 4.75 mi wsw Summit; Sierraville Quadrangle Comment
  CHSC101852  Erodium cicutarium Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15883 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  SEINET8565699  Erodium cicutarium W. Harnach, N. Harnach 1990-6-16 391 Plumas Sierra Valley, N of Vinton, Frank Dotta Ranch. 1524 Comment
  CHSC37000  Eryngium alismifolium M. S. Taylor 1982-8-27 5058 Plumas Ramelli Ranch, in vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 1487 Comment
  RSA252468  Eryngium alismifolium R. F. Thorne, C. W. Tilforth 1969-9-6 39243 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  SEINET11119239  Eryngium alismifolium W. Harnach, N. Harnach 2000-8-23 998 Plumas Sierra Valley, 1 mile W of the Steel Bridge on Marble Lane. 1486 Comment
  RSA34823  Eryngium alismifolium Roxana S. Ferris, Laura Lorraine 1941-8-9 10424 Plumas At Lake Almanor Public Camp (near village) Comment
  SEINET8673868  Eryngium alismifolium Roxanna S. Ferris, Lorraine, Laura 1941-8-9 10424 Plumas at Lake Almanor Public Camp (near village) Comment
  CHSC48332  Erysimum capitatum var. capitatum Vernon Oswald 1986-4-6 2093 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  RSA71066  Erysimum capitatum var. perenne L. S. Rose 1951-6-28 51049 Plumas Above Eureka Lake, north of Johnsville 2073 Comment
  CAS-BOT-BC55101  Erysimum perenne Anna Head 1921-7-1 s.n. Plumas Feather River Region. Ridge west of Lake Center Camp. 2133 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC153616  Erythranthe moniliformis M. Lavin 1982-6-27 4150 Plumas Sierra Buttes Country 4 mi up Gold Lake Rd from Graeagle, 12 mi. 250 deg. from Portola 1981 Comment
  RSA80484  Erythranthe pulsiferae F. W. Peirson 1926-6-21 6801 Plumas Open flat strip along shore of Lake Almanor. Comment
  CAS-BOT-BC293715  Erythranthe suksdorfii Mona Bourell; Bob Patterson 1982-5-15 1736 Plumas Beckworth Comment
  CAS-BOT-BC505241  Erythronium grandiflorum Gladys L. Smith 1976-6-7 4613 Plumas South end of summit ridge, secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CAS-BOT-BC505255  Erythronium purpurascens H. C. Cantelow 1938-7-4 2297 Plumas Drakesbad, near edge of woods Comment
  UC726211  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy 1097 Comment
  SEINET5339912  Eschscholzia californica A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC21681  Eucephalus breweri D. Brink; L. Mayer 1975-8-6 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS127334  Eucephalus breweri Lowell Ahart 2016-7-9 21086 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
  UC1557888  Eucephalus breweri J. Semple, S. Heard 1986-8-13 847 Plumas 2 mi e, (LaPorte Rd., at turnoff to Quincy) La Porte Comment
  CAS-BOT-BC310531  Eurybia integrifolia Anna Head 1921-8-3 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC66746  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8148 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johns-ville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC78982  Eurybia integrifolia M. S. Taylor 1982-9-8 5119 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 14 mi S of Greenville. 1371 Comment
  SEINET3146989  Eurybia integrifolia E. K. Balls 1950-9-1 15588 Plumas Long Lake, E shore, turning S from Mt Elwell 2103 Comment
  UC1075700  Eurybia integrifolia Robert J. Weatherby 1955-8-12 1683 Plumas near Spanish Peak; Upper Clear Creek 1828 Comment
  SD9008  Eurybia radulina Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  UC86942  Eurybia radulina Mrs. R. M. Austin 1896-9-1 452 Plumas American Valley, Gray Hills American Valley Comment
  CAS-BOT-BC278856  Festuca occidentalis Alice Eastwood 1927-6-14 14575 Plumas Forest Lodge near Greenville Comment
  SEINET180997 Image available Festuca occidentalis L. S. Smith 1922-7-24 1201 Plumas Modoc Forest; Rush Creek Hill on toll road 1890 Comment
  CAS-BOT-BC279016  Festuca rubra David D. Keck 1944-7-8 5439 Plumas S. end of Lake Almanor, E. side of dam 1341 Comment
  RSA300180  Festuca rubra J. T. Howell, Gordon H. True 1969-6-23 45841 Plumas Quincy. 1037 Comment
  CDA43020  Festuca subulata L. Ahart 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  JEPS115900  Festuca subulata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  CHSC97547  Floerkea proserpinacoides Lowell Ahart; John Dittes 2007-6-17 14109 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC55680  Frangula purshiana Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-2 862 Plumas 2km N of Quincy on route 70 1200 Comment
  CHSC21099  Frangula purshiana F. T. Griggs; A. Pass 1975-7-3 72 Plumas Buck's Lake. N of Grizzly Forebay. Comment
  UCD112835  Frangula purshiana J. M. Tucker 1951-8-1 2204 Plumas road to Bucks Lake, 1 mile west of Quincy. Comment
  SEINET11248030  Frangula purshiana A. A. Heller, P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  CHSC98748  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Northern High Sierra Nevada. Granite Basin, along Little North Fork Middle Fork Feather River near the Road 18 bridge. Riparian strip along edges of creek. 1381 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
  JEPS127574  Frangula purshiana subsp. annonifolia L. P. Janeway 2015-8-3 11816 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Highway and Grizzly Summit. Soapstone Hill 7.5' Quad. Comment
  CHSC96742  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-5-20 8982 Plumas Northern High Sierra Nevada. Top of Red Hill. 1929 Comment
  UC1748362  Frangula purshiana subsp. ultramafica James D. Jokerst, M. S. Taylor and L. Ahart 1985-8-12 2560 Plumas Red Hill Rd. 1.1 mi above jct. with Rich Gulch Rd., N of Hwy. 70 1584 Comment
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Mar 3 2008
  CAS-BOT-BC55711  Frangula rubra subsp. obtusissima Gary Schoolcraft 1984-6-27 1276 Plumas East of Sugar Loof Mtn. 1524 Comment
  CAS-BOT-BC53796  Frangula rubra subsp. rubra Lewis S. Rose 1969-6-23 69044 Plumas La Porte Road - 10 mi. sw of Quincy 1249 Comment
  CAS-BOT-BC505273  Fritillaria atropurpurea Mrs. E. C. Sutcliffe 1927-6-1 s. n. Plumas Drakesbad, Lassen Volcanic Park Comment
  CAS-BOT-BC505279  Fritillaria atropurpurea Lowell Ahart 1976-6-18 s. n. Plumas At the Bunker Hill Mine 1828 Comment
  JEPS61943  Fritillaria pudica Dr. Minor Apr. 1913 Plumas Mohawk Valley Comment
  JEPS115802  Galium aparine Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam Comment
  CHSC63270  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas On the west side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  UC1075693  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake Lakes Basin Area (on volcanic cliff) 2194 Comment
  HSC73020  Galium bifolium M. S. Taylor 1981-6-17 3926 Plumas N side of Coldwater Spring, 1/4 mi. E of its junction with 25N49, 14 air mi. N of Blairsden 2256 Comment
  UC174626  Galium bolanderi A. A. Heller and P. B. Kennedy 1907-7-16 8872 Plumas grade between Genessee Valley and Summit Comment
  UCSB27409  Galium bolanderi Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1188 Comment
  CHSC43370  Galium grayanum Lowell Ahart 1974-10-1 641 Plumas On the west part of the Buzzard's Roost Ridge, about 1 mile north of Onion Valley, about 1 1/2 miles north-west of Pilot Peak. 1981 Comment
  CHSC56879  Galium grayanum var. grayanum L. P. Janeway; Garrett Gibson 1991-8-2 4103 Plumas Plumas National Forest. Northeast flank of Smith Peak and +/-above Dan Blough Creek. 2042 Comment
  RSA0105477  Galium trifidum var. subbiflorum Lowell Ahart 2014-8-31 19820 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC35272  Galium triflorum M. S. Taylor 1981-8-5 4163 Plumas At end of Rd 28N03-Fruit Growers Blvd, ca. 3 air mi W of Antelope Lake, ca. 13 air mi NE of Taylorville. 1706 Comment
  CAS-BOT-BC144400  Garrya fremontii Mary Strong Clemens 1919-1-1 s.n. Plumas Greenville Comment
  CAS-BOT-BC169863  Garrya fremontii John Thomas Howell 1959-9-25 35033 Plumas 1.5 mi. se. of Cromberg 1584 Comment
  CDA9210  Garrya fremontii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .29 Plumas Plumas Eureka State Park. S Johnsville Comment
  CHSC21337  Garrya fremontii F. T. Griggs; A. Pass 1975-8-8 134 Plumas Buck's Lake Forest Service Survey Comment
  CHSC37020  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas Gray Eagle Lodge Rd. SW of Hwy 519, ca. 7 mi s of Mohawk. 1737 Comment
  SEINET10874017  Garrya fremontii Mary Susan Taylor 1981-5-10 Taylor 3663 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET10906889  Garrya fremontii Mary Susan Taylor, L. Hanson 1981-3-5 Taylor 3399 Plumas T25N R7E n half sec 13. Almanor quad. N side of Hwy 70, in Serpentine Canyon, ca. 5 mi e of Belden. Comment
  CDA13355  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13204 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC103151  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2009-9-7 16386 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SDSU8778  Gayophytum diffusum subsp. parviflorum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, Calif. Comment
  JEPS23194 Image available Gayophytum helleri var. erosulatum W. L. Jepson 1918-8-2 7754 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  CHSC113876  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC46122  Gayophytum humile Lowell Ahart 1981-7-21 2973 Plumas Along the edge of Cleghorn Bar Road, 1 1/2 miles west of Quincy La Porte Road, about 2 air miles west of Pilot Peak. 1706 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
  RSA101449  Gayophytum humile R. Weatherby 1955-7-2 1589 Plumas Wilcox Valley. 1768 Comment
  CHSC37010  Gentiana calycosa M. S. Taylor 1982-8-23 5043 Plumas Both sides of Virgilia-Meadow Valley Rd along creek just w of headwaters of York Creek, ca. 1.4 air mi sw of Virgilia. 1524 Comment
  UC405457  Gentiana newberryi R. M. Austin Aug 1896 896 Plumas Big Meadows Comment
  SEINET10454825  Gentiana newberryi Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5088 Plumas T25N R9E ne/se sec 20. Greenville SW quad. Butterfly Valley Botanical Area, in bog just s of switchback, ca. 1 air mi w of Keddie. 3900 ft. 1189 Comment
  CHSC54477  Gentiana newberryi var. tiogana Vernon H. Oswald; Lowell Ahart 1991-7-30 4782 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  POM186835  Geum macrophyllum D. D. Keck 1932-7-3 1697 Plumas Quicy, along Spanish Creek, in the Northern Sierra Nevada. Comment
  SEINET7721290  Geum macrophyllum Unknown Plumas Ohio Valley [sic] Comment
  SEINET6702722  Geum macrophyllum var. perincisum A. A. Heller, P. B. Kennedy 1907-7-9 8787 Plumas Prattville Comment
  RSA641459  Geum triflorum Michael A. Vincent 1999-6-8 8562 Plumas Along FS 28N03H about 0.25-0.5 miles south of FS Route 3. Comment
  UC1583953  Gilia capitata subsp. capitata G. Schoolcraft 1990-6-4 2068 Plumas about 1 mi w Crescent Mills; w of Crescent Mills 1463 Comment
  CHSC94200  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  RSA63405  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-6-13 8579 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  JEPS110431  Gilia leptalea subsp. leptalea Lowell Ahart 2006-7-9 12935 Plumas Near a very small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1661 Comment
  CAS-BOT-BC283872  Glyceria borealis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1434 Plumas Butterfly Botanical Area and Vicinity, near mouth of Butterfly Creek 883 Comment
  RSA716588  Glyceria borealis L. Ahart 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  CAS-BOT-BC282706  Glyceria elata John Thomas Howell 1951-6-28 27647 Plumas Johnsville, Sierra Nevada 1584 Comment
  SEINET10966590  Glyceria elata Patricia L. Kenney 1973-6-5 Kenney 430 Plumas Along a stream along HWY 70. 6 mi S of jct of HWYs 89 & 70. Comment
  SEINET6836553 Image available Glyceria striata Malcolm A. Nobs, S. Galen Smith 1949-8-20 1464 Plumas 13 mi SW of Milford on road between Milford and Beckwourth Comment
  CAS-BOT-BC307377  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC44876  Gnaphalium palustre Lowell Ahart 1974-7-30 560 Plumas On a mountain side, about 1/2 mile north of the Bunker Hill Mine, about 12 air miles north-east of La Porte. 1676 Comment
  CHSC81098  Gnaphalium palustre Lowell Ahart 2001-8-29 9246 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102799  Gnaphalium palustre Lowell Ahart 2001-8-29 9246 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC307387  Gnaphalium palustre L. P. Janeway 1989-7-25 3520 Plumas Crocker Meadow near Beckwourth-Genesee Road (rd 111) 6.4 mi north of Beckwourth, Plumas National Forest, Beckwourth Ranger District Crocker Compartment 1737 Comment
  SJSU14267  Gnaphalium palustre N. A. Hopkins 1989-6-7 1513 Plumas Crocker Meadow on W side of Beckwourth-Genesee Rd c. 4 mi N of Beckwourth 1524 Comment
  CHSC74126  Gratiola ebracteata Mary Ann Griggs 1997-7-7 Plumas On W edge of Illinois Ridge, ca 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. 1493 Comment
  UCD123721  Gratiola neglecta Malcolm A. Nobs; S. Galen Smith 1949-8-18 1351 Plumas South end of Lake Almanor. Comment
  SEINET10474257  Grindelia nana Mary Susan Taylor 1981-8-5 Taylor 4170 Plumas 1069 Comment
  CHSC97786  Grindelia squarrosa var. serrulata L. P. Janeway; B. Castro 2007-8-18 9205 Plumas Northern High Sierra Nevada. Along Hwy 70 0.4 km east of La Porte Road, along the north edge of Thompson Valley about 1.6 km east of East Quincy. 1059 Comment
  CAS-BOT-BC182429  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54113 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  RSA235924  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-20 2072 Plumas Mt. Hough, 7.9 miles northeast of Quincy on Mt. Hough-Crystal Lake Road 1707 Comment
  CDA13387  Hackelia californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13236 Plumas Sierra Nevada; above headwaters of Bull Run Creek off USFS 23N12E. Comment
  UCD119372  Hackelia californica John Thomas Howell 1960-7-19 35668 Plumas Drakesbad. 1676 Comment
  CHSC72304  Hackelia micrantha L. P. Janeway; Glenn Clifton 1998-7-8 5724 Plumas Snoring Spring; about 15 mi northwest of Red Rock; along Road 213, 0.8 mi south of the ridgetop. Meadow. 2002 Comment
  UC726949  Hackelia nervosa A. A. Heller 1942-8-14 16521 Plumas below Sulphur Works Checking Station Comment
  CAS-BOT-BC508332  Hastingsia alba Alice Eastwood 1927-6-13 14556 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC306694  Helenium bigelovii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC306698  Helenium bigelovii Walter Knight; Irja Knight 1966-6-18 1291 Plumas Butterfly Valley 1036 Comment
  UCD130176  Helianthella californica var. nevadensis Albert Grigarick 2011-8-15 292 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort Road turn-off of Gold Lake Hwy., approx. 1/8 mile W from Graeagle Trail head to Hawley Falls. 1898 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
  UCR123675  Helianthus bolanderi George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6867 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-BC305544  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  CAS-BOT-BC305668  Helianthus exilis A. R. Kruckeberg 1954-8-4 3699 Plumas Highway 89, w. shore of Lake Almanor 1676 Comment
  UCSB16062  Hemizonella minima Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89, 2 miles south of Graeagle; Sierra Nevada 1402 Comment
  CDA3756  Hesperis matronalis J. T. Howell, G. H. True 1967-7-11 43380 Plumas Quincy. Comment
  SD6698  Hesperochiron pumilus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CDA14660  Hesperolinon micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3099 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  RSA718945  Heterotheca oregona var. rudis L. Ahart 2006-10-8 13390 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  CHSC107289  Heterotheca villosa var. minor L. P. Janeway; Peter Zika, Barbara Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of ) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  CHSC84523  Heterotheca villosa var. minor John Dittes; Lowell Ahart 2003-8-8 2003 -80 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. 1488 Comment
  CAS-BOT-BC310937  Heterotheca villosa var. minor G. Sommers 1976-8-20 239 Plumas Sierra Valley along Highway 70 5 km west of Vinton 1487 Comment
  SD103536  Heterotheca villosa var. minor Darley Howe 1978-7-16 5080 Plumas Along highway 49, 3 miles north of Loyalton. 1463 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
  CHSC67386  Heuchera rubescens var. glandulosa J. D. Jokerst 1984-6-13 2054 Plumas Few large clumps against face of bedrock outcrop that is part of a spur ridge ca 100 meters below the top of the extremely steep drop in Yellow Creek Canyon. North of USFS rd 26n26 where it crosses over ridge line saddle at S edge of Sect. 1463 Comment
  UC420442  Heuchera rubescens var. glandulosa H. M. Hall Jul. 1912 Plumas Long Lake; Sierra Nevada Mountains 2042 Comment
  CHSC21315  Hieracium albiflorum F. T. Griggs; A. Pass 1975-7-29 262 Plumas Buck's Lake. Comment
  UCD133153  Hieracium albiflorum James I. Mallory 1969-8-21 358 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  UC1586470  Hieracium nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas 0.5 mi (air) s Little Willow Lake (and ca 3 mi (air) s of Drakesbad, Forest Rd 29N16 (Little Willow Lake Rd), 0.4 mi n of its junction with Forest Rd 29N18 (Upper Rice Creek Rd.)) 1874 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
  CHSC55641  Holcus lanatus K. R. Stern 1985-6-25 8305 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC152716  Holodiscus microphyllus var. microphyllus Mrs. S. Earle Kelley 1919-1-1 s.n. Plumas Salmon Lake Comment
  CHSC42046  Holodiscus microphyllus var. microphyllus Lowell Ahart 1986-7-8 5357 Plumas Near cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  RSA232862  Hordeum brachyantherum L. S. Rose 1968-6-10 68084 Plumas Quincy 1037 Comment
  CHSC61616  Horkelia fusca subsp. parviflora Arthur C. Barrett 1915-7-14 34 Plumas Boulder Cr. Sta. meadow. 1645 Comment
  RSA755680  Horkelia fusca subsp. parviflora L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16145 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  UC114272  Horkelia fusca subsp. tenella D. Cleveland 1882-7-20 159 Plumas Pratville Comment
  JEPS44565  Horkelia fusca subsp. tenella W. L. Jepson 1910-6-4 4056 Plumas Big Meadows 1341 Comment
  POM98576  Horkelia fusca subsp. tenella F. W. Peirson 1926-6-21 6794 Plumas Lake almanor, along N shore of Lake Comment
  CHSC102744  Horkelia fusca var. parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16145 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  CAS-BOT-BC537873  Horkelia fusca var. parviflora Rimo Bacigalupi 1927-7-11 1714 Plumas Gold Lake Region: Near Grassy Lake Meadows 1889 Comment
  UCD115192  Hornungia procumbens Kim Nixon 1977-5-29 43 Plumas Bird Creek Road, 0.2 mile north of Greeno Road, 7.2 miles east of Doyle. 1950 Comment
  CHSC102081  Hosackia crassifolia var. crassifolia Lowell Ahart; John Dittes 2009-7-13 16044 Plumas On dry soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  HSC98314  Hosackia oblongifolia H. E. Parks, S. T. Parks Jun 1928 239 Plumas Lassen National Park, Drakesbad 1738 Comment
  UCD106127  Hosackia oblongifolia A. A. Heller; P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  CHSC101465  Hosackia stipularis var. ottleyi L. P. Janeway; Matt Simenc, Alicia Rhoades, Dorothy Kieffer 2009-6-15 9804 Plumas Northern High Sierra Nevada. Broad ridge between Mt. Ararat Creek and Willow Creek, just above where the slope gets steep into the north side of the canyon of Middle Fork Feather River. 1678 Comment
  CHSC37194  Hosackia stipularis var. ottleyi L. Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near headwaters of Ohio Ravine, ca. 1 mi ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  POM147051  Hydrophyllum capitatum var. alpinum Alice Eastwood 1927-06 14890 Plumas On road from Chilcott, United States Forest Reserve Comment
  RSA39748  Hydrophyllum capitatum var. alpinum P. A. Munz 1947-5-17 11843 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  UC726885  Hydrophyllum capitatum var. alpinum A. A. Heller 1938-5-21 15097 Plumas n of Chester (on State Highway 36, e of highway maintenance station, not far from the Tehama County line) Comment
  CDA18758  Hydrophyllum occidentale G. D. Barbe, T. C Fuller 1982-7-16 3758 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
  CAS-BOT-BC400949  Hypericum anagalloides Lowell Ahart 1985-7-11 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 1584 Comment
  CHSC40358  Hypericum anagalloides Lowell Ahart 1985-7-11 5128 Plumas On dry sand bars, below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  JEPS115340  Hypericum anagalloides Lowell Ahart, John Dittes 2009-9-7 16382 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC400943  Hypericum anagalloides Anna Head 1921-7-30 s.n. Plumas Feather River Region Comment
  SD7539  Hypericum anagalloides D. C. 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  SEINET11990948  Hypericum anagalloides W. Knight, Knight, I. 1983-1 4909 Plumas 4 mi from Chester on road to Drakesbad Comment
  SEINET5343944  Hypericum anagalloides M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge above Johnsville. Wet meadow below road. 2271 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
  CHSC75921  Hypericum formosum var. scouleri G. F. Hrusa 1996-8-2 13429 Plumas Steep rocky slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Partially shaded area on wet springline trib. of Squirrel Creek. 1820 Comment
  SBBG33146  Hypericum formosum var. scouleri K. K. Muller 1963-8-17 1243 Plumas Darlingtonia bog on rd to Butterfly Valley, off State Hwy 89 Comment
  CHSC21325  Hypericum perforatum F. T. Griggs; A. Pass 1975-7-31 274 Plumas Buck's Lake Forest Service Survey. Grizzly Forebay. Comment
  CAS-BOT-BC401435  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  HSC93347  Hypericum scouleri Vernon H. Oswald, L. Ahart 1996-7-15 8042 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 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
  JEPS800  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1939-7-31 19320 Plumas Spanish Peak 2042 Comment
  RSA101391  Ipomopsis aggregata subsp. formosissima R. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  RSA136506  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1956-6-19 21839 Plumas 1.2 miles east along State Highway 89 after leaving Lake Almanor 1418 Comment
  CAS-BOT-BC123366  Iris pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge near Greenville Comment
  CHSC67402  Iris tenuissima subsp. purdyiformis James D. Jokerst 1984-4-25 1989 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
  SEINET10938086  Iva axillaris Mary Susan Taylor 1982-9-13 Taylor 5136 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC137399  Ivesia aperta James R. Shevock 1985-7-6 11315 Plumas Sierra Valley. Along California highway 49, 0.2 mile north of Plumas-Sierra County line and about 2.5 miles north of Loyalton 1600 Comment
  SEINET10483370  Ivesia aperta Mary Susan Taylor 1982-6-28 Taylor 4775 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  JEPS110541  Juncus acuminatus Lowell Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  UC1100934  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  SEINET10472240  Juncus bufonius Lowell Ahart 1985-7-11 Ahart 5133 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
  JEPS102604  Juncus bufonius var. bufonius Lowell Ahart 2001-10-8 9305 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  SEINET10472431  Juncus bufonius var. occidentalis Lowell Ahart 1985-7-11 Ahart 5134 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
  UCD141414  Juncus bufonius var. occidentalis L. Ahart 1985-7-11 5134 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles northwest of La Porte. 1584 Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CHSC100057  Juncus covillei Lowell Ahart 2008-8-13 15157 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  UCD141424  Juncus covillei L. Ahart 1980-10-6 2675 Plumas about 1 mile south of La Porte. 1463 Comment
  CDA43014  Juncus effusus subsp. pacificus L. Ahart 2008-8-13 15159 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC97799  Juncus effusus subsp. pacificus L. P. Janeway; B. Castro 2007-8-18 9201 Plumas Northern High Sierra Nevada. Along Squirrel Creek and Road 401 1.9 km northeast of Hwy 70/89 and Williams Loop. 1268 Comment
  CDA34147  Juncus effusus var. exiguus L. Ahart, J. Dittes 2009-7-15 16081 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
  CHSC47549  Juncus ensifolius Lowell Ahart 1975-7-16 882 Plumas Along the edge of a small stream, 1 mile north of Little Grass valley Reservoir. 1828 Comment
  CHSC47550  Juncus ensifolius Lowell Ahart 1980-10-6 2666 Plumas On the south shore of the small lake about 1 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1828 Comment
  CHSC56897  Juncus ensifolius L. P. Janeway 1991-8-4 4121 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass; 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  JEPS122285  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas 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
  RSA463101  Juncus ensifolius Lyman Benson 1932-7-29 4005 .5 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET3450945  Juncus ensifolius Unknown 2003-7-18 10422 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  JEPS45834  Juncus ensifolius Duncan Dunning 1922-7-13 Plumas 6-7 mi nw Quincy; Smith Lake 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
  CHSC65388  Juncus hemiendytus var. hemiendytus Lowell Ahart 1995-9-13 7625 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CDA17246  Juncus howellii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16273 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC100377  Juncus howellii Lowell Ahart 2008-9-10 15367 Plumas On the west bank of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC101959  Juncus howellii Lowell Ahart; John Dittes 2009-7-27 16177 Plumas High bank on the north side of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS116015  Juncus howellii Lowell Ahart, John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS107937  Juncus laccatus Lowell Ahart, John Dittes 2005-9-20 12451 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  CHSC114915  Juncus macrandrus G. D. Baarbe; T. C. Fuller 1982-6-17 3853 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. Marshy arm of the lake at the parking lot. 1706 Comment
  UC1133600  Juncus mexicanus E. Sawyer 1935-6-11 96 Plumas 5.25 mi w Summit; Sierraville Quad. 1493 Comment
  CHSC100331  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC110377  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-5 18440 Plumas On the east side of the South Fork of the Feather River, about 300 yards northeast of the County Road where it crosses the Soouth Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1882 Comment
  SD192839  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, nmorth of East Branch Creek, ca. 1.75 miles south of Little Grass Valley Reservoir, ca. 1.0 mile northeast of La Porte. 1613 Comment
  RSA59407  Juncus nevadensis var. nevadensis E. K. Balls 1950-9-8 15714 Plumas stream to west of Lakes Center Public Campground 2043 Comment
  SBBG21939  Juncus orthophyllus D. Myrick 1964-7-21 889 Plumas E of trail parking area, Drakesbad 1737 Comment
  CDA32031  Juncus tenuis L. Ahart, J. Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  CHSC52754  Juncus tenuis 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
  CAS-BOT-BC58899  Kalmia microphylla subsp. microphylla V. Oswald; L. Ahart 1988-8-4 3671 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC25748  Kalmia polifolia subsp. microphylla John Steiner 1977-6-15 75 Plumas Lassen Volcanic National Park. 0.5 km n King's Creek and 2.3 km e Lake Helen. 2292 Comment
  CHSC62503  Keckiella lemmonii L. P. Janeway 1993-8-14 4524 Plumas Plumas National Forest, Oroville Ranger District. South-facing dirt road cutbank along Road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  CHSC113640  Kelloggia galioides Lowell Ahart 2014-8-31 19818 Plumas 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
  JEPS12465  Kelloggia galioides W. L. Jepson 1939-7-29 19271 Plumas Spring Hill Trail; Meadow Valley 1219 Comment
  SBBG119898  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas ca. 50 yards SE of the Pacific Crest Trail on Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Peak, ca. 9 mi (air) NE of La Porte Comment
  UC1552711  Kelloggia galioides Frederica Bowcutt 1985-6-6 573 Plumas about 15 air mi ne Quincy (along Red Clover Creek); Plumas National Forest Comment
  SEINET10500754  Kelloggia galioides Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4013 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
  SEINET10869777  Kelloggia galioides Mary Susan Taylor 1981-7-22 Taylor 4102 Plumas T24N R11E sw sec 9, Spring Garden quad. In Red Fir Forest; E side of 26N21- Grizzly Peak Rd, just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 6900 ft elev. 2103 Comment
  CHSC59588  Kumlienia hystricula Sharol Lindenstein 1989-3-26 5 Plumas Plumas Nat'l Forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 4 mi nw of Cresta Powerhouse. 701 Comment
  JEPS7477  Lactuca serriola Rimo Bacigalupi with L. R. Heckard 1951-8-8 3480 Plumas just e Westwood 1554 Comment
  CAS-BOT-BC340600  Lactuca serriola John Thomas Howell 1960-7-18 35605 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC341572  Lagophylla ramosissima John Thomas Howell 1961-9-23 36821 Plumas Greenville 1088 Comment
  UC85106  Lathyrus jepsonii var. californicus Mrs. R. M. Austin 1870-1 Plumas American Valley Comment
  SEINET5327297  Lathyrus lanszwertii var. brownii W. Harnach, N. Harnach 1990-5-12 296 Plumas Sierra Valley, S side of Correco Canyon rd. 1615 Comment
  SEINET6658652  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca 3 mi west of Keddie.; 0 1219 Comment
  CHSC35925  Layia glandulosa M. S. Taylor 1982-5-19 4481 Plumas Ridge, ca. 1.5 mi e of Portola. 1706 Comment
  CHSC113867  Leontodon saxatilis subsp. longirostris Lowell Ahart 2014-8-26 19775 Plumas In the center 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
  SD6678  Lepechinia calycina Mrs. R. M. Austin Jun 1883 Plumas Big Chico Creek, Big Meadow. Comment
  CAS-BOT-BC88775  Lepidium appelianum John Thomas Howell 1962-6-19 37875 Plumas Sierra Nevada. Vinton. 1508 Comment
  CAS-BOT-BC88868  Lepidium chalepense W. Harnach; N. Harnach 1989-5-22 115 Plumas Sierra Valley. East side of Co. road A-23 in road ditch. 1490 Comment
  CAS-BOT-BC60095  Lepidium virginicum var. menziesii Javier Penalosa 1962-6-19 2502 Plumas +-6.2 miles southeast of Quincy. 1097 Comment
  RSA754546  Lepidium virginicum var. pubescens L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CHSC53159  Leptosiphon harknessii L. P. Janeway 1989-6-14 3310 Plumas Plumas National Forest. On southerly side of Red Clover Valley. 1685 Comment
  CHSC77206  Lesquerella occidentalis subsp. occidentalis G. Schoolcraft 1997-5-18 2590 Plumas Top of Dimond Mtns. farthest peak to the e. 2255 Comment
  CAS-BOT-BC59603  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Mt. Elwell, Lakes Basin Area. 2225 Comment
  CAS-BOT-BC59606  Leucothoe davisiae Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1485 Plumas Fern Glen. 1097 Comment
  CAS-BOT-BC59611  Leucothoe davisiae Rimo Bacigalupi 1927-7-10 1738 Plumas Shores of Helgamite Pond on trail to Mt. Elwell. 2072 Comment
  CHSC34873  Leucothoe davisiae M. S. Taylor 1981-7-17 4041 Plumas Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 mi s of Mohawk. 1981 Comment
  JEPS20054  Leucothoe davisiae O. M. Evans 1854-11-16 Plumas 4 mi s Buck's Ranch (on Willow Creek drainage); Willow Creek drainage 1828 Comment
  UC1121017  Leucothoe davisiae D. Axelrod 1934-6-4 12 Plumas Plumas National Forest, American House American House; Plumas National Forest, American House 1493 Comment
  RSA697275  Lewisia cantelovii D. W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Highway 70 at Arch Rock Tunnel (about 25 air miles NE of Oroville) about 1 mile E of the Butte County line; Plumas National Forest. 564 Comment
  CHSC92403  Lewisia kelloggii subsp. hutchisonii Catie Bishop; Jim Bishop 2004-6-2 Plumas Northern High Sierra Nevada. Plumas National Forest; Little Grass Valley Reservoir peninsula area, west side of Peninsula Campground. 1554 Comment
  CHSC1370  Lewisia nevadensis V. Holt 1946-5-18 Plumas Near Chester. 1524 Comment
  HSC93591  Lewisia nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3063 Plumas Headwaters of S Fork of Feather River, 10.6 mi. NE of La Porte on La Porte-Quincy Rd. 1890 Comment
  RSA101482  Lewisia triphylla R. Weatherby 1955-6-26 1550 Plumas Mud Lake, Lakes Basin Area. 2195 Comment
  RSA123080  Lewisia triphylla A. Lewis 1934-6-12 477 Plumas 3.5 miles SW of Dogwood Peak, Bidwell. 1494 Comment
  CAS-BOT-BC283807  Leymus cinereus John Thomas Howell 1955-7-19 30758 Plumas Beckwourth 1493 Comment
  CHSC21585  Ligusticum californicum L. M. Mayer; D. E. Brink Jr. 1975-8-12 Plumas Comment
  CHSC62336  Ligusticum grayi B. Castro; R. Fallscheer, R, Zebell 1989-8-21 407 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine. 1584 Comment
  CAS-BOT-BC436052  Ligusticum grayi Ella Dales Cantelow 1939-5-20 2565 Plumas Near Rock Creek Comment
  CAS-BOT-BC509326  Lilium kelleyanum Anna Head 1921-7-6 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC509337  Lilium kelleyanum H. C. Cantelow 1940-7-20 s.n. Plumas 4 miles west of Johnsville near Jamison Creek Comment
  CAS-BOT-BC509350  Lilium kelleyanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1690 Plumas Above Sweetwater Meadow 1127 Comment
  CAS-BOT-BC130784  Lilium pardalinum Mrs. H. M. Mitchell 1932-7-1 s.n. Plumas Bucks Lake Comment
  CAS-BOT-BC508466  Lilium parvum E. K. Balls 1950-9-8 15718 Plumas Lakes Center Public Campground 2316 Comment
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  RSA52882  Lindernia dubia var. anagallidea R. Weatherby 1950-7-28 1530 Plumas At Smith Lake. 1250 Comment
  CHSC99803  Listera convallarioides Lowell Ahart 2008-7-16 15091 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  RSA164336  Lithophragma brevilobum Clare B. Hardham 1961-6-16 7469 Plumas Diamond Peak. 2287 Comment
  CHSC82372  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir Dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  SEINET6032218  Lithophragma glabrum R. J. Holl 1948-4-16 13 Plumas Grizzly Canyon, 3 miles west of Beckwouth 1615 Comment
  RSA52838  Lithophragma tenellum R. Weatherby 1950-5-31 1439 Plumas Lake Almanor. 1418 Comment
  SD6718  Lithospermum ruderale Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC35937  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola on the ridges below Beckwourth Peak. 1706 Comment
  POM147057  Lomatium dissectum var. multifidum Alice Eastwood 1927-6-13 14543 Plumas Forest lodge near Greenville, United States Forest Reserve Comment
  RSA636045  Lomatium donnellii Michael A. Vincent 1999-6-8 8555 Plumas Plumas National Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40 Comment
  CHSC89801  Lomatium macrocarpum G. Douglas Barbe; T. C. Fuller 1982-6-15 3719 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC88608  Lonicera conjugialis B. Elliott 2002-6-8 11602 Plumas Plumas National Forest. 1615 Comment
  SD6577  Lonicera conjugialis Mrs. R. M. Austin 1880-1 Plumas Comment
  CDA18659  Lonicera hispidula var. vacillans G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-26 3378 Plumas Sierra Nevada; Madrone Lake. 600 Comment
  CAS-BOT-BC243914  Lonicera involucrata var. involucrata Alice Eastwood 1909-1-1 129 Plumas Ward Creek, Lake Tahoe Region Comment
  JEPS114409  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas Along a stream in 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
  CHSC101918  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas Scraped clearing on the east side of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of Lake Almanor Reservoir Dam. 1607 Comment
  RSA7999  Lotus nevadensis H. A. Barker 1927-7-1 759 Plumas Blairsden 1372 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
  CDA13374  Lotus nevadensis var. nevadensis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13223 Plumas Sierra Nevada; at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  CDA18564  Lotus oblongifolius G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3347 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  JEPS114366  Lotus purshianus var. purshianus Lowell Ahart 2008-9-10 15381 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  UC862216  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15231 Plumas just n Quincy (near the river bridge) 1097 Comment
  RSA59912  Lotus unifoliolatus E. K. Balls 1950-9-15 15827 Plumas North Fork Feather River, 6 mi. n.w. of Chester. 1402 Comment
  SEINET194918  Lupinus acutilobus A. A. Heller 1942-5-8 16455 Plumas Virgiliam, along state highway 24. Comment
  SBBG3623  Lupinus adsurgens var. undulatus H. and M. Dearing 1939-5-9 3222 Plumas near Quincy Comment
  UC1542833  Lupinus albicaulis M. L. Conrad, Dunn, and Kenney 1973-6-5 7061 Plumas on Meadow Valley Road at w side Quincy; w side of Quincy 1036 Comment
  UC1129255  Lupinus albicaulis var. shastensis E. Sawyer 1935-6-17 118 Plumas 5 mi sse Crow; Sierraville Quad., sse of Crow Comment
  CHSC88838  Lupinus albifrons L. Hanson 1985-5-24 263 Plumas Plumas National Forest. Near Massack Rest Stop, Hwy. 70. 1066 Comment
  SEINET10838115  Lupinus albifrons Charles Piper Smith 1921-7-20 Smith 3450 Plumas Greenville road n Comment
  UC726683  Lupinus albifrons var. albifrons A. A. Heller 1942-5-8 16455 Plumas Virgilia, along State Highway #24 Virgilia; , State Highway #24 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  CHSC82500  Lupinus arbustus Lowell Ahart 2002-6-26 9784 Plumas On the west side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  SBBG3538  Lupinus arbustus H. and M. Dearing 1939-5-9 3316 Plumas Blairsden Comment
  SEINET5767538 Image available Lupinus arbustus subsp. silvicola E. D. Merrill 1929-1 s.n. Plumas Silver Lake 1829 Comment
  CAS-BOT-BC196346  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-6-13 4008 Plumas Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat 1484 Comment
  CHSC60089  Lupinus argenteus var. argenteus L. P. Janeway 1990-7-18 3803 Plumas Plumas National Forest. Near Emigrant Cr 1/4 mi N of the crest of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC208803  Lupinus argenteus var. heteranthus Frank W. Johnson 1920-5-23 s.n. Plumas Portola 1432 Comment
  SEINET7062841 Image available Lupinus bicolor A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley South West. UTM 10, 643001mE, 4468076mN.(WGS84/NAD83). 1521 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
  UC1075581  Lupinus breweri E. K. Balls and L. W. Lenz 1956-6-20 21845 Plumas along State Hwy 89 Quincy to Sierraville 5 mi se Graeagle; se of Graeagle 1432 Comment
  CAS-BOT-BC196675  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Ca 1/4 mi N of Little Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  RSA107395  Lupinus caudatus L. S. Rose 1955-7-19 55143 Plumas Beckworth 1494 Comment
  SEINET10841141  Lupinus caudatus Mary Susan Taylor 1982-8-19 Taylor 5025 Plumas T26N R14E ne/ne sec. 14. Ferris Creek quad. Along Fitch Canyon Rd, ca. 1 mi sw of its jct with Milford-Beckwourth Rd, ca. 4 mi s of Milford. Jeffrey Pine Forest; 6000 ft. Dry sandy soil. 1829 Comment
  RSA59277  Lupinus confertus E. K. Balls 1950-8-31 15571 Plumas 0.5 mile south of Spanish Creek, Hw. 24, north of Quincy. American Valley. 1067 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215360  Lupinus dalesiae M. S. Taylor 1982-5-26 4532 Plumas S side of Fells Creek Road (23N22), 1.9 miles W of Lee Summit on Highway 70, ca. 1 air mile S of Spring Garden 1463 Comment
  CAS-BOT-BC215415  Lupinus dalesiae Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas Meadow Valley, about 8 miles W of Quincy 1173 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
  CHSC36198  Lupinus dalesiae M. S. Taylor 1982-6-2 4597 Plumas Along 23N11, on loop through Cogswell Ravine, on roadcut and upslove in disturbed areas, 3.2 mi ne of Jackson Creek Campground, ca. 5 air mi n of Mohawk. 1737 Comment
  JEPS114511  Lupinus dalesiae Lowell Ahart 2008-6-5 14810 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/3 miles northeast of Little Grass Valley Reservoir 1645 Comment
  RSA104638  Lupinus dalesiae Joseph Clemens 1920-6-3 s.n. Plumas Greenville Comment
  UC1502140  Lupinus dalesiae M. S. Taylor 1982-6-1 4573 Plumas n side of Hwy 70 just e of Greenhorn Ranch Rd. 0.1 mi e Spring Garden city limit sign; Spring Garden Quad. 1280 Comment
  RSA0003389  Lupinus dalesiae Ella Dales Cantelow 1940-5-12 3862 Plumas 2.4 mi E of Meadow Valley Inn near Quincy. Comment
  SEINET10452040  Lupinus dalesiae Mary Susan Taylor 1981-6-15 Taylor 3904 Plumas T24N R8E ne/se sec 1, Bucks Lake NE quad; jct of 24N27 (a loop around Smith lake), ca. 2 mi N of its jct with Bucks Lake Rd, ca. 3 mi NE of Meadow Valley; elevation ca. 3800 ft. 1158 Comment
  SEINET10452056  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mt quad. S side of 23N10-Peoria Creek Rd, 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 5300 ft. 1615 Comment
  SEINET10452063  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4680 Plumas T24N R10E swnw sec 33. Spring Garden quad. Open rdcut, along spur rd off 24N26-Thompson Creek Rd (0.2-0.3 mi from its jct), ca. 3 mi se of Quincy. Mixed Evergreen Forest; 4600 ft. 1402 Comment
  SEINET10485188  Lupinus dalesiae Taylor 1982-6-16 Taylor 4688 Plumas Spring garden quad. Open bare roadcut, west side of 24n13, .5 mi south of its Jct with quincy-laport rd, ca. 4 Air mi southeast of quincy. With allium Campanulatum. 1646 Comment
  SEINET10485205  Lupinus dalesiae Taylor 1982-6-3 Taylor 4600 Plumas Blue nose mt. Quad. Corolla yellow. Roadcut on north side of white cap rd. 1.1 And 1.2 mi south of its jct. With peoria creek rd., Ca. 4 Mi southwest of Sloat. Mixed evergreen forest. With ceanothus cordulatus, collinisia Rattanii. 1524 Comment
  SEINET10937076  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23n r10e ne1/4sw1/4 sec 13. Blue nose mt quad. Corolla yellow. On cobbly Roadbank, s side of peoria creek rd (23n10), 0.2 mi. Ne of oliver creek, ca 5 Mi. Sw of sloat. With hydrophyllum occidentale, elymuys glaucus. 1615 Comment
  SEINET10936535  Lupinus grayi Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1092 Plumas Collected 2.2 mi. From jct of hwy 89 and 70. Douglas fir, libocedrus, & Quercus along hwy 89. Comment
  UC1129475  Lupinus grayi E. Sawyer 1935-6-1 54 Plumas 1 3/4 mi ne Hawks; Sierraville Quad. Comment
  UCD107809  Lupinus grayi A. A. Heller 1913-6-13 10867 Plumas Quincy. 1066 Comment
  OBI2925  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterly Crk 2 mi S of Keddie 1036 Comment
  SEINET6655077  Lupinus grayi P. Kenney, Dunn; Conrad 1973-6-5 436 Plumas Alon Hwy 70; 6 mi. S from Jct of Hwy 89 & 70.; 0 1067 Comment
  SEINET10451303  Lupinus latifolius subsp. viridifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue-purple and white. Plants ca 11 dm tall. Abundant on dry gravelly Soil in open area at edge of montane coniferous forest, ca 3.5 km ne squaw pk., On e bank of unimproved usfs rd. Sec 1, t25n, r14e. 1973 Comment
  CHSC55703  Lupinus latifolius var. columbianus K. R. Stern 1985-6-25 8273 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS2641 Image available Lupinus lepidus var. artulus W. L. Jepson 1910-6-5 4069 Plumas Warner Valley; ; Warner Valley, Plumas Co. 1524 Comment
  CHSC97216  Lupinus lepidus var. confertus Lowell Ahart; Josephine Guardino 2007-7-20 14330 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  UC727127  Lupinus lepidus var. confertus A. A. Heller 1938-6-14 15160 Plumas along the Feather River Highway near Gray's Flat; along the Feather River Highway near Gray's Flat 868 Comment
  CHSC113878  Lupinus lepidus var. sellulus Lowell Ahart 2014-8-26 19786 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC56540  Lupinus lepidus var. sellulus L. P. Janeway 1984-7-13 911 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  POM181087  Lupinus meionanthus P. B. Kennedy, A. A. Heller, B. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley Comment
  SEINET10488784  Lupinus meionanthus Taylor 1981-7-29 Taylor 4146 Plumas Genesee valley quad. T.25n, r.11e, sec.12 (se 1/4). Both sides of 25n42c, 1.4 Mi ne of its jct with 25n42--flournoy grade, ca 4 mi e of genesee. Associates: Sitanion hystrix, ceanothus cordulatus. 1707 Comment
  RSA715535  Lupinus onustus John Dittes, Josephine Guardino, Eva M Dittes 2005-6-4 1145 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  UCD109328  Lupinus onustus A. A. Heller 1913-6-13 10869 Plumas Quincy. 1066 Comment
  CDA27471  Lupinus onustus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3096 Plumas 1.8 miles north of Lawrence Street, Quincy, on Highway 70/89. Comment
  RSA31845  Lupinus onustus A. A. Heller 1941-5-22 16141 Plumas About 2 miles north of Quincy. Comment
  SEINET10452646  Lupinus onustus Mary Susan Taylor 1982-5-27 Taylor 4542 Plumas T26N R9E e/se sec 23. Greenville SW quad. Mostly w side of Dixie Canyon Rd (204), 1.2 to 2 mi n of its jct with Hwy :89 at Mocassin. 4000-4400 ft. S of Greenville. 1219 Comment
  SEINET10903600  Lupinus polyphyllus subsp. superbus Taylor 1982-7-7 Taylor 4787 A Plumas Johnsonville quad. Corolla deep blue; stems 2-3 ft tall. Jct of hwy 70 and Mohawk turnoff, at mohawk ranger station, ca 1 mi w of blairsden. In seep. Comment
  CHSC60096  Lupinus polyphyllus var. burkei L. P. Janeway 1990-7-25 3812 Plumas Plumas National Forest. Ca 0.2 mi NW of Emigrant Cr and ca 0.3 mi SE of Little Grizzly Cr. 1828 Comment
  UC333410  Lupinus polyphyllus var. burkei unknown 1889-6-4 Plumas Mohawk Valley Comment
  RSA232876  Lupinus stiversii L. S. Rose 1968-6-12 68111 Plumas Feather River Canyon, 4 mi. w. of Belden. 610 Comment
  UCD109588  Lupinus stiversii M. Vincent 1964-4-8 528 Plumas 1 mile northeast of Storrie. Comment
  CHSC108043  Luzula cascadensis L. P. Janeway; B. Castro 2011-10-2 10756 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  JEPS124404  Luzula cascadensis Lowell Ahart 2015-7-4 20280 Plumas About 1/2 mile west of the 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
  CHSC96320  Luzula comosa var. laxa L. P. Janeway; B. Castro 2006-9-9 8879 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  JEPS49024  Luzula comosa var. laxa Leland S. Smith 1927-8-10 2179 Plumas Gold Lake Country. Along road to Gold Valley 2286 Comment
  CDA14765  Luzula parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3342 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  CAS-BOT-BC215684  Lycopus uniflorus Thomas H. Kearney 1944-8-14 122 Plumas Near Prattville, Lake Almanor Comment
  CHSC72314  Lycopus uniflorus L. P. Janeway 1998-9-10 6273 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  UC1730228  Lycopus uniflorus L. P. Janeway 1998-9-10 6273 Plumas 5 mi NW of Quincy (along the NW shore of Snake Lake) 1205 Comment
  SEINET10473901  Machaeranthera canescens Mary Susan Taylor 1982-8-18 Taylor 5051 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  RSA122561  Machaeranthera canescens var. canescens C. W. Hanks 1934-8-30 61 Plumas Ridge top 3/4 mile south of Bald Peak; Plumas National Forest 1677 Comment
  UCD19155  Madia June McCaskill 19__? 326 Plumas Lake Almanor region? Comment
  CAS-BOT-BC342646  Madia citrigracilis V. Oswald; L. Ahart 1988-8-4 3675 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  SEINET11601316 Image available Madia elegans C. G. Gulling 1905-1 1532 Plumas Big Meadows (Now Lake Almanor) Comment
  CDA15408  Madia glomerata G. F. Hrusa 1996-8-22 13535 Plumas Sierra Valley; at intersection of Antelope Valley Rd. & Hwy 49. Comment
  CHSC79686  Madia glomerata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13266 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Adjacent to Bull Run Creek of USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  RSA0118928  Madia glomerata Lowell Ahart 2014-8-26 19774 Plumas In the 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-BC342847  Madia glomerata Greg Sommers 1976-8-3 205 Plumas Sierra Valley Marsh, 1 km southeast of metal bridge on Dyson Lane 1524 Comment
  UC1562733  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas ca 12 airmiles ssw Susanville (Snoring Springs 1/2 mi n of Diamond Mt-Greenville-Red Rock Jct); Diamond Mines, Snoring Springs 1981 Comment
  CDA13440  Madia gracilis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13287 Plumas Sierra Nevada; USFS 23N11A. Comment
  CDA43021  Madia gracilis L. Ahart 2009-7-21 16112 Plumas West of a man-made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  RSA189378  Madia gracilis L. S. Rose 1967-7-12 67170 Plumas Quincy 1037 Comment
  CAS-BOT-BC343247  Madia gracilis M. S. Taylor 1981-9-14 4276 Plumas Headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ese of Greenville 1584 Comment
  CAS-BOT-BC343252  Madia gracilis George W. Gillett 1957-7-19 843 Plumas Lassen Volcanic National Park. Slopes across from the Devils Kitchen on trail to Sifford Lakes 1981 Comment
  UC942953  Madia gracilis Lewis S. Rose 1951-6-9 51070 Plumas 9 mi e Quincy 1219 Comment
  RSA35102  Madia gracilis subsp. gracilis Thomas H. Kearney 1944-8-14 161 Plumas Near Prattville, Lake Almanor Comment
  CDA8262  Madia minima D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .304 Plumas Above Little Grass Lake on West side. Comment
  SEINET10474821  Madia minima Mary Susan Taylor 1982-5-7 Taylor 4422 Plumas T24N R16E se sec 26. Frenchman Lake quad. E side of 24N51X, 0.8 mi n of Crystal Peak/Adams Pk Rd jct, ca. 7 air mi n of Chilcoot, on ridge e of Frenchman Lake. Jeffrey Pine Foprest. 6200 ft. 1890 Comment
  CAS-BOT-BC512877  Maianthemum stellatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1515 Plumas North end of Pond Reservoir 1097 Comment
  CAS-BOT-BC347523  Malacothrix floccifera John Thomas Howell 1977-6-21 52382 Plumas Seneca 1097 Comment
  JEPS88081  Malacothrix floccifera Vernon H. Oswald and Lowell Ahart 1996-8-14 8158 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  SEINET11808091  Malacothrix floccifera H. M. Hall, Babcock, E. B. 1903-1 4433 Plumas Indian Valley, Sierra Nevada Mountains 1067 Comment
  CAS-BOT-BC71084  Marsilea vestita John Thomas Howell 1926-7-30 2159 Plumas Prattville 1371 Comment
  CHSC24260  Marsilea vestita K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  JEPS115113  Medicago lupulina Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16233 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC101932  Melica aristata Lowell Ahart; John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  UC1132221  Melica aristata G. T. Nordstrom 1934-7-9 206 Plumas 1.25 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  CAS-BOT-BC282076  Melica fugax L. P. Janeway; Jannice Cutler 1992-5-26 4204 Plumas About 0.1 mile SW of Lake Davis high water line, 1 mile S of Dan Blough Cove 1767 Comment
  CAS-BOT-BC282086  Melica fugax John Thomas Howell; et al. 1967-6-12 1993 Plumas Butterfly Botanical Botanical Area and Vicinity. Valley proper, near barn 1082 Comment
  JEPS106320  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11008 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
  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
  UC641678  Melica stricta G. L. Stebbins Jr. 1939-7-9 2937 Plumas n side Meadow View Peak 1981 Comment
  CAS-BOT-BC264182  Melica subulata John Thomas Howell 1967-6-23 42680 Plumas Canyon of Butterfly Creek, Sierra Nevada 975 Comment
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  RSA699247  Melica subulata L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas On the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  CHSC37690  Mentha canadensis M. S. Taylor 1981-8-27 4129 Plumas Under Drum bridge over Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1188 Comment
  RSA59236  Mentha canadensis E. K. Balls 1950-8-31 15539 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  UC1075664  Mentha spicata Robert J. Weatherby 1950-7-21 1475 Plumas East Quincy 1036 Comment
  CHSC97541  Mentzelia dispersa Lowell Ahart; John Dittes 2007-6-16 14141 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1121659  Mentzelia montana E. Sawyer 1935-6-28 245 Plumas 1 mi s sw Beckwith; Sierraville Quadrangle 1524 Comment
  UC178668  Menyanthes trifoliata Mrs. R. M. Austin Plumas Big Meadows Comment
  CDA13422  Mertensia ciliata var. stomatechoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13270 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  CHSC52515  Mertensia ciliata var. stomatechoides L. P. Janeway 1990-6-27 3727 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  LA204231  Mertensia ciliata var. stomatechoides C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
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Mar 23 2015
  CAS-BOT-BC428540  Micranthes aprica D. E. Breedlove 1962-6-12 3433 Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CHSC21228  Micranthes bryophora F. T. Griggs; A. Pass 1975-7-16 194 Plumas N. Shore of Lower Buck's lake. Comment
  CHSC107452  Micranthes nidifica Matt Simenc; Rebecca Joyner 2011-7-2 8 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  CAS-BOT-BC429149  Micranthes odontoloma Rimo Bacigalupi 1927-7-10 1684 Plumas Meadow about 1/4 mile below outlet of Long Lake along Gray Eagle Creek 1828 Comment
  CAS-BOT-BC348336  Micropus californicus Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2646 Plumas Butterfly Botanical Area and Vicinity. Near homestead in Butterfly Valley proper 1036 Comment
  CAS-BOT-BC349353  Microseris nutans E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake Comment
  CDA18689  Microseris nutans G. D. Barbe, T. C. Fuller 1982-6-15 3696 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
  JEPS35650  Microseris nutans W. L. Jepson 1910-6-4 4057 Plumas Big Meadows Big Meadows (Pine Flats) 1341 Comment
  JEPS36359  Microseris nutans W. L. Jepson 1927-6-23 12302 Plumas Warner Creek near Camp Kelly; Warner Creek 1584 Comment
  CHSC61232  Microsteris gracilis K. B. McShea 1992-4-23 5 Plumas Ca 18 mi e of Quincy at Greenhorn Ranch Road. 1066 Comment
  RSA67642  Microsteris gracilis subsp. humilis Verne Grant, Alva Grant 1950-7-12 8931 Plumas Summit of ridge at Red Rock near Diamond Mt. between Susanville and Taylorsville 1524 Comment
  UC1552707  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-6-7 583 Plumas 2 mi w Sierra City (along Hwy 49); Tahoe National Forest 1158 Comment
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May 18 2014
  UC711915  Mimulus breweri Roxana S. Ferris and Laura Lorraine 1941-8-9 10432 Plumas about 2 1/2 mi from Lake Almanor Public Camp (State Highway #89 on road to Chester) Comment
  CHSC113626  Mimulus guttatus Lowell Ahart 2014-8-31 19800 B Plumas Strand, cobbles, in and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  LA209360  Mimulus guttatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  JEPS115788  Mimulus mephiticus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  SEINET10830514  Mimulus mephiticus Mary Susan Taylor 1982-7-12 Taylor 4815 Plumas T22N R11E sw/sw sec 4 & ne/se sec 5. Blue Nose Mt quad. Along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadows Rd, ca. 6 air mi w of Mohawk. Mixed Conif Forest; 6800 ft. 2072 Comment
  UCD19157  Mimulus microphyllus June McCaskill 1956-1 415 Plumas Lake Almanor region Comment
  CAS-BOT-BC9752  Mimulus montioides Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 miles south of Quincy on road to La Porte. 1981 Comment
  RSA165579  Mimulus nanus var. mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine. 1829 Comment
  RSA519036  Mimulus nanus var. mephiticus Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8647 Plumas Below Red Rock lookout, ca 8 airmiles S of Susanville. 2256 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
  JEPS86896  Mimulus pygmaeus David M. Thompson 1988-6-9 940 Plumas 0.1 mi ssw of entrance South Almanor Campground (aloing main road, s side of lake); Lake Almanor 1390 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
  CAS-BOT-BC9499  Mimulus rubellus Mrs. H. C. Cantelow 1949-7-11 5 Plumas South end of Lake Almanor Comment
  CAS-BOT-BC11026  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas Sandy Flat, 5,8 miles E of Beckwourth 1493 Comment
  UC725838  Mimulus tilingii A. A. Heller 1942-8-3 16517 Plumas near the stream Upper King Creek Meadow camp ground Comment
  RSA101397  Mimulus torreyi R. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  RSA337276  Mimulus torreyi Noel Holmgren, Patricia K. Holmgren 1980-6-29 9440 Plumas California Hwy 36, 6.5 km (4 mi) west of Westwood. 1490 Comment
  RSA535420  Mimulus torreyi David M. Thompson 1988-7-23 974 Plumas 3.05 mi N of Bucks Lake road (and Meadow Valley) along Schneider Creek Road (USFS Road 23N16), then 0.15 mi W along Road 24N47X, then 0.1 mi N along Road 24N47XC. 1524 Comment
  RSA121479  Mitella breweri A. Lewis 1934-6-18 489 Plumas 1 mile NW of Whiskey Diggins 1402 Comment
  CHSC67806  Monardella follettii James D. Jokerst 1990-8-1 3438 Plumas Comment
  SEINET10582331  Monardella follettii A. Graff 1993-7-22 Graff 316 Plumas Plumas National Forest. Meadow Valley Rd. south, .55 mile up from Union Pacific RR crossing, on the left road cut. T25N,R8E,S20. Locally infrequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582334  Monardella follettii A. Graff 1993-7-23 Graff 332 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  JEPS120753  Monardella odoratissima Lowell Ahart 2013-9-11 19024 Plumas On east side of Antelope Creek, Strand of Antelope Lake, west of the paved road, south of Antelope Creek about 16 air miles NE of Taylorsville. Comment
  CAS-BOT-BC314186  Monardella odoratissima subsp. pallida Rimo Bacigalupi 1927-7-7 1642 Plumas Upper reaches of trail from Gray Eagle Valley to Long Valley. 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
  CHSC52040  Monardella odoratissima subsp. pallida L. P. Janeway 1989-6-22 3376 Plumas Plumas National Forest. Along rd 24N49Y 0.2 mi W of Crocker Cr; vicinity of Crocker Guard Sta. 1767 Comment
  CAS-BOT-BC222110  Monardella odoratissima subsp. pallida H. L. Mason 1924-6-16 1043 Plumas South banks of Feather River, near Graeagle Comment
  RSA523953  Monardella odoratissima subsp. pallida Barbara Ertter 1988-7-25 7860 Plumas Diamond Mts ca 15 air miles due S of Susanville, sheep camp on Pierce Creek 1982 Comment
  SEINET10582101  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 292 Plumas Plumas National Forest. On Hwy. 70 west, less than .5 miles southeast of Greenhorn Ranch Rd. (just past Graff collections 285-290), at the end of a bridge before a rest area, on south side of the road. T24N,R10E,S26. Comment
  CAS-BOT-BC220244  Monardella sheltonii John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CAS-BOT-BC220481  Monardella sheltonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  SD149143  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 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
  SEINET10582367  Monardella sheltonii A. Graff 1993-7-22 Graff 328 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Locally infrequent on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Comment
  SEINET10961426  Monardella sheltonii A. Graff 1993-7-22 Graff 320 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, 1.15 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on the right roadside. T25N,R7E,S13. Past flowering. Comment
  CHSC20989  Montia chamissoi F. T. Griggs; A. Pass 1975-7-11 160 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33598  Montia linearis M. S. Taylor; M. Foster 1981-6-8 3870 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. In vernal depression. 1706 Comment
  JEPS46144  Montia linearis Duncan Dunning 1923-6-2 Plumas 4 mi nw of Quincy (Snake Lake); Snake Lake Comment
  CAS-BOT-BC445085  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1485 Comment
  CAS-BOT-BC445093  Montia linearis John Thomas Howell; Gordon H. True 1967-6-11 42576 Plumas Meadow at Quincy 1036 Comment
  CAS-BOT-BC445099  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  SEINET10929031  Montia linearis Mary Susan Taylor 1982-6-12 Taylor 4646 Plumas T28N R8E nw/se sec 4. Chester quad. Meadow on n side of Hwy 36, ca. 1 mi w of Plumas-Lassen county line, e of Chester. 5000 ft. 1524 Comment
  CAS-BOT-BC445189  Montia parvifolia John Thomas Howell 1967-6-23 42729 Plumas Lewisia Rock 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC263364  Muhlenbergia asperifolia John Thomas Howell 1959-9-21 34760 Plumas Sand bars of N. Fk. Feather River near Belden, Sierra Nevada 701 Comment
  SEINET4672005  Muhlenbergia asperifolia W. Harnach 2000-8-2 975 Plumas 3/4 mile east of A-23 on Marble Lane at the hot wells. 1490 Comment
  CHSC44581  Muhlenbergia filiformis Lowell Ahart 1975-9-13 985 Plumas Along Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC54549  Muhlenbergia filiformis Vernon H. Oswald 1991-8-5 4802 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On margins of lake. 1844 Comment
  CHSC81852  Muhlenbergia filiformis Lowell Ahart 2001-10-8 9314 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CHSC97512  Muhlenbergia filiformis Lowell Ahart; John Dittes 2007-6-16 14125 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
  POM114421  Muhlenbergia filiformis Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  RSA201348  Muhlenbergia filiformis J. T. Howell 1960-9-22 34846 Plumas Drakesbad. 1738 Comment
  UC819028  Muhlenbergia filiformis A. A. Heller 1915-7-7 12068 Plumas near summit Soapstone ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  UCD86723  Muhlenbergia filiformis Leo Whitney 1934-8-15 2183 Plumas Willow Creek. 15 miles north of Beckwith, Plumas National Forest. 1950 Comment
  SEINET4689961  Muhlenbergia richardsonis W. Harnach, N. Harnach 1991-6-21 558 Plumas Next to R/R bridge east of Co. Rd. A-23, 1/4 mile S of Beckwourth 1487 Comment
  SEINET10596523  Muhlenbergia richardsonis Lawrence P. Janeway 1989-6-28 Janeway 3411 Plumas Portola quad T23N, R14E, SW1/4 of sec. 3, SW-facing slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. Open, historically disturbed area yellow pine forest. Small low spot that collects rainwater, among Artemisia, Purshia shrubs. 1722 Comment
  CHSC80167  Myosotis discolor L. P. Janeway 1996-6-5 5000 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  JEPS110466  Myosotis laxa Lowell Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  UC1560390  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1300 Plumas 2 - 2.5 mi. s. Graeagle (along hwy. #89, Mill Creek and its tributaries); Mill Creek 1200 Comment
  SBBG119739  Myosurus apetalus var. borealis L. Ahart with J. Dittes, J. Guardino, R. Schlising, S. Chamberlain 2004-6-14 11064 Plumas S side of Forest Rd 24N10, ca. 0.25 mi W of Cow Crk, W of Lake Davis, ca. 9.25 mi NE of Sloat 1796 Comment
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Apr 8 2009
  POM312423  Myosurus aristatus H. L. Mason 1953-6-16 14554 Plumas 2 miles E of Beckwourth Comment
  JEPS113645  Myosurus minimus Lowell Ahart, John Dittes 2007-6-16 14111 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  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
  CDA37256  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Plumas Eagle Lake; Mariners Resort. 0 Comment
  UC1965873  Myriopteris parryi J. G. Lemmon July, 1876 Plumas Taylorsville, Indian Valley Comment
  CHSC21033  Nama lobbii F. T. Griggs; A. Pass 1975-7-3 71 Plumas Buck's Lake. North of Grizzly Forebay. Comment
  CHSC28921  Nama lobbii L. Hanson 1979-7-16 37 Plumas On north slope of Mt. Ararat near junct of roads from Lookout Rock and Little Bear Creek. Comment
  CHSC62465  Nama lobbii L. P. Janeway 1993-8-14 4525 Plumas Plumas National Forest. Oroville Ranger District. Haskins Valley Compartment. Dirt road cutbank along Road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  SJSU4628  Narthecium californicum C. W. Sharsmith 1969-6-19 7596 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  RSA52916  Narthecium californicum R. Weatherby 1950-7-21 1476 Plumas Butterfly Valley, near Quincy 1220 Comment
  CHSC97604  Navarretia breweri Lowell Ahart; John Dittes 2007-6-16 14094 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1075685  Navarretia breweri Robert J. Weatherby 1955-7-2 1571 Plumas near Taylor Lake; Bear Ridge 2194 Comment
  CHSC117553  Navarretia capillaris Lowell Ahart 2016-7-9 21099 Plumas 10 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest Tamarack Flat, about 3 1/2 miles (air) northwest of Little Valley Resevoir Dam. 1759 Comment
  CHSC44317  Navarretia capillaris Lowell Ahart 1979-7-18 1984 Plumas In a meadow, near Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CHSC80852  Navarretia capillaris Lowell Ahart 2001-7-17 8933 Plumas On the west side of a branch of Butt Creek, on the north side of the dirt road, a little west of Ruffa Ranch, about 1 mile (air) north of Eagle Rocks, about 2 miles (air) northeast of Humboldt Summit. 1706 Comment
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Nov 23 2007
  RSA101450  Navarretia capillaris R. Weatherby 1955-7-2 1588 Plumas Wilcox Valley. 1768 Comment
  RSA71913  Navarretia capillaris F. W. Peirson 1932-7-19 10353 Plumas Along Feather River near Chester. 1463 Comment
  JEPS70292  Navarretia divaricata W. I. Follett 1937-7-27 103 Plumas Rich Gulch Comment
  JEPS113462  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14015 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA718390  Navarretia divaricata subsp. vividior L. Ahart 2006-7-3 12905 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18. 1528 Comment
  UC908140  Navarretia intertexta H. L. Mason 1924-6-26 1096 Plumas Blairsden Comment
  JEPS125763  Navarretia intertexta subsp. intertexta William Harnach 2013-5-18 1353 Plumas 0.25 miles East of Co. Rd A-23 on Marble Lane, South of Beckwourth. Comment
  SEINET8584723  Navarretia intertexta subsp. intertexta W. Harnach 2013-5-18 1353 Plumas 0.25 miles east of Co. Rd A-23 on Marble Lane, south of Beckwourth 1491 Comment
  UC1124102  Navarretia intertexta subsp. intertexta Beryl O. Schreiber 1938-7-9 2515 Plumas 1 mi e Meadow Valley; Bidwell Bar Quad. 1066 Comment
  CDA18456  Navarretia intertexta subsp. propinqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3179 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  RSA189332  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt. Hough Road, 2.5 miles NE of Quincy Junction. 1250 Comment
  CHSC113615  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC62575  Navarretia leptalea subsp. leptalea B. Castro 1987-6-21 133 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  SEINET14152722  Navarretia linearifolia subsp. linearifolia A. A. Heller, P. B. Kennedy 1907-7-5 8743 Plumas Hills above Red Clover Valley. Comment
  CHSC87818  Nemacladus capillaris Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11013 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-BC230554  Nemophila parviflora var. austiniae J. T. Howell; et al. 1967-6-12 2076 Plumas Butterfly Botanical Area and Vicinity. Near spring 1127 Comment
  UC52234  Nemophila parviflora var. austiniae H. M. Hall and E. B. Babcock 1903-7-4 4421 Plumas near Prattville (North Fork Feather River); , near Prattville 1341 Comment
  SEINET5521051  Nemophila parviflora var. austiniae P. A. Lehenbauer 1929-5-12 2680 Plumas 2 miles West of Portola Comment
  SEINET5520937  Nemophila pedunculata W. Harnach, N. Harnach 1989-3-29 008 Plumas Sierra Valley, hillside north of Barry corrals 1585 Comment
  POM181056  Nemophila pedunculata A. A. Heller, P. B. Kennedy 1907-7-4 8734 Plumas Meadow 2 miles S of Red Clover valley. Comment
  SEINET8655803 Image available Onopordum acanthium subsp. acanthium W. Harnach 2015-8-6 1439 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  CHSC114417  Orcuttia tenuis Allison Sanger 2012-8-16 Plumas Large pool at Almanor Rest Area, west of Prattville. 1402 Comment
  CHSC110622  Oreostemma alpigenum var. andersonii B. Castro; L. Janeway 2006-9-9 1616 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lade and North Arm Rice Creek). 1969 Comment
  JEPS29579  Oreostemma alpigenum var. andersonii J. Thomas Howell 1960-7-23 35964 Plumas Dream Lake, (Drakesbad) Lassen Volcanic National Park, Dream Lake, Drakesbad 1676 Comment
  JEPS31981  Oreostemma alpigenum var. andersonii R. H. Platt 1891-7-1 Plumas Prattville Comment
  UC1192090  Oreostemma alpigenum var. andersonii Malcolm A. Nobs and S. Galen Smith 1949-8-19 1432 Plumas Butterfly Valley Comment
  SD243288  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  SBBG68722  Orobanche fasciculata E. Rockwell -Jun-1925 723 Plumas Beckwourth 1371 Comment
  UC1731428  Orogenia fusiformis Dean W. Taylor 1997-4-9 15949 Plumas n Greenville (along Hwy 89); Plumas National Forest, Wolf Creek 1097 Comment
  CAS-BOT-BC458063  Orthilia secunda Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC33934  Orthilia secunda M. S. Taylor 1981-7-17 4042 Plumas Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 mi s of Mohawk. 1981 Comment
  CAS-BOT-BC238429  Orthocarpus Clare B. Hardham 1978-8-11 21796 Plumas About 5 miles southeast of Thompson Peak Comment
  POM297720  Orthocarpus cuspidatus subsp. copelandii A. A. Heller, P. B. Kennedy 1907-7-3 8700 Plumas Hills above Red Clover Valley Comment
  CHSC98578  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2005-7-10 1497 Plumas Northern High Sierra Nevada. Near Lassen Co line. Crest of the Diamond Mtns, overlooking NW end of Honey Lake, at N end of Stony Ridge. At N end of jeep road ca 0.6 mi from its junction with sharp bend in Rd 27N12, on open flat basalt pebble-field around headwaters of Stony Creek. 1990 Comment
  JEPS106313  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 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
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  CDA18732  Osmorhiza chilensis G. D. Barbe, T. C Fuller 1982-7-15 3742 Plumas Plumas National Forest; 2.1 miles NE of junction with road to Red Hill Summit. 1524 Comment
  CHSC33941  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Beckwourth=Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of Notson Bridge, ca. 17 air mi ne of Blairsden. 1737 Comment
  CHSC63109  Osmorhiza occidentalis Lowell Ahart 1994-6-29 7406 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CAS-BOT-BC316884  Packera eurycephala var. eurycephala Lemmon 1874-8-1 s.n. Plumas Indian Valley Comment
  CDA13414  Paeonia brownii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13263 a Plumas Sierra Nevada; Plumas National Forest. Vicinity of headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC97146  Paeonia brownii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14019 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
  POM161729  Paeonia brownii R. C. Bacigalupi 1927-7-12 1729 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  SEINET5337455  Paeonia brownii P. A. Lehenbauer, F. B. T 1929-5-12 1445 Plumas 2 miles north of Portola Comment
  UCD88718  Panicum acuminatum var. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  CAS-BOT-BC253739  Panicum capillare John Thomas Howell 1951-8-20 28214 Plumas Genesee 1127 Comment
  CAS-BOT-BC253746  Panicum capillare Lowell Ahart 1981-9-6 3078 Plumas 1.5 miles SW of Crescent Mills 1200 Comment
  RSA201355  Panicum capillare J. T. Howell 1960-7-20 35728 Plumas Drakesbad; Lasses Volcanic National Park 1677 Comment
  RSA718152  Panicum dichotomiflorum L. Ahart 2006-10-23 13499 -A Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Stale Creek., About 1/8 mile northeast of Scales Road, about 5.5 miles (air) northeast of Strawberry Valley. 1282 Comment
  SBBG115819  Panicum lassenianum B. Crampton 1964-8-25 7164 b Plumas Drakesbad, ca. 1/8 mi S of guest houses, slope above Hot Springs Crk 1676 Comment
  CAS-BOT-BC175578  Parnassia palustris Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1688 Plumas Above Sweetawter Meadow. Butterfly Botanical Area and Vicinity 1127 Comment
  POM183422  Pedicularis aurantiaca L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  LA209466  Pedicularis densiflora L. S. Rose; 1931-4-14 Plumas Woodleaf Comment
  POM286408  Pedicularis racemosa Lyman Benson 1932-7-29 3979 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC49021  Pedicularis semibarbata Vernon Oswald 1986-6-6 2083 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  UC366572  Pellaea unknown Jul. 1883 Plumas Indian Valley Comment
  CAS-BOT-BC69355  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas Blue Nose Mt. quad., at end of 23N49Y, ca. 2 air mi W of White Cap, ca. 5 air mi SW of Sloat 1645 Comment
  SD9635  Pellaea brachyptera Mrs. R. M. Austin 1877-1 Plumas Sierra Valley Comment
  CAS-BOT-BC67610  Pellaea bridgesii M. S. Taylor; H. Swanson 1982-8-11 4969 Plumas Sierra City NW quad.- along N side of Jamison Creek Rd. (507), on cliffs, ca. 1 mi. W of Plumas-Eureka State Park, 1798 Comment
  SBBG85009  Penstemon deustus F. W. Pennell 1940-6-11 25807 Plumas 7 mi S of Greenville 1188 Comment
  POM161709  Penstemon deustus subsp. deustus R. C. Bacigalupi 1927-7-7 1645 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  POM147033  Penstemon deustus subsp. deustus Alice Eastwood 1927-06 14675 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  JEPS11232  Penstemon deustus var. deustus W. L. Jepson 1939-7-31 19289 Plumas Meadow Valley 1524 Comment
  CHSC89807  Penstemon deustus var. pedicellatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CDA14661  Penstemon deustus var. suffrutescens G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC49027  Penstemon gracilentus Vernon Oswald 1983-8-4 962 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  CHSC52537  Penstemon gracilentus L. P. Janeway 1990-6-28 3741 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2011 Comment
  CHSC84368  Penstemon gracilentus Lowell Ahart 2003-9-7 10561 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  HSC97084  Penstemon gracilentus L. Ahart, John Dittes 2005-9-20 12449 Plumas S side of FS Rd. 27N34, 1 mi. NE of Eisenheimer Peak, 0.75 mi. S of Wilcox Valley 2050 Comment
  NY600759  Penstemon gracilentus R. C. F. Bacigalupi 1927-7-11 1711 Plumas Near Grassy Lake Meadows, Gold Lake Region 1889.8 Comment
  UC1552727  Penstemon gracilentus Frederica Bowcutt 1985-6-6 560 Plumas about 15 air mi ne Quincy (n of Beckwourth Genesee Road about 1/2 mi, Plumas National Forest); Plumas National Forest, ne of Quincy 1676 Comment
  NY600710  Penstemon gracilentus F. W. Pennell 1940-6-10 25803 Plumas Route 89, east of Almanor 1463.0 Comment
  UCD169258  Penstemon gracilentus S. L. Welsh; N. D. Atwood 2001-6-14 28143 Plumas Roadcut, forest service road, ca. 5 miles south of Milford. 1791 Comment
  CHSC88994  Penstemon heterodoxus L. Hanson 1981-7-5 146 Plumas Plumas National Forest. Rabbit Creek. 1524 Comment
  CHSC61679  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1993-8-25 5875 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  UC1585969  Penstemon laetus Barbara Ertter with Gary Schoolcraft 1989-7-3 8652 Plumas ca 8 airmi s Susanville (below Red Rock lookout); , s of Susanville 2255 Comment
  SEINET4207731  Penstemon laetus var. leptosepalus Mikel R. Stevens 2011-8-27 213 Plumas Walker Plains. Old quarry area (now parking area) at junction of Bucks Lake Rd (Oroville Quincy Hwy) with Basalt Rd. Ca 12.5 mi S of Bucks Lake on Bucks Lake Rd. East side of Rd.; 0 1559 Comment
  CHSC62164  Penstemon neotericus L. P. Janeway 1993-7-22 4470 Plumas Plumas National Forest. Along Oroville-Quincy Hwy 0.9 mi west of Grizzly Creek. 1621 Comment
  CHSC82134  Penstemon neotericus L. P. Janeway 2001-8-5 7421 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  SEINET3836567 Image available Penstemon neotericus Marcus E. Jones 1897-7-5 Plumas Prattville 1372 Comment
  NY627265  Penstemon neotericus G. Schoolcraft 1981-7-9 502 Plumas East slope of Roop Mountain 2011.7 Comment
  CHSC46663  Penstemon newberryi Lowell Ahart 1989-7-2 6335 Plumas On the north side and near summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  HSC21039  Penstemon newberryi R. Spellenberg 1964-6-18 473 Plumas 2 mi. W of Lassen National Park boundary on Hwy. 44 Comment
  CHSC43771  Penstemon newberryi var. newberryi Vernon Oswald 1983-8-4 968 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  HSC101691  Penstemon newberryi var. newberryi Dillon North Davis 2013-5-26 5 Plumas Along southeast bank of Gold Lake 2100 Comment
  NY627387  Penstemon newberryi var. newberryi R. J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area. 1981.2 Comment
  CHSC28917  Penstemon personatus L. Hanson 1979-7-23 53 Plumas On ridge south of Coldwater Creek near intersection of roads to Kellogg Lookout and to Mt. Ararat. Comment
  CHSC35915  Penstemon personatus M. S. Taylor 1982-6-7 4614 Plumas Jct of Schneider Creek Rd (24N16), and 24N47X, ca. 2.5 air mi s of Meadow Valley. 1584 Comment
  SEINET10548095  Penstemon personatus Mary Susan Taylor 1981-8-20 Taylor 4228 a 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
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. 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
  UC584317  Penstemon roezlii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2237 Plumas n Engelmine (sw slopes and ridge crest Red Rock); sw slopes and ridge crest Red Rock 2133 Comment
  CDA18479  Penstemon roezlii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3245 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CAS-BOT-BC239596  Penstemon rydbergii var. oreocharis L. S. Smith 1927-7-27 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC239601  Penstemon rydbergii var. oreocharis John Thomas Howell 1926-7-30 2162 Plumas Near Prattville 1371 Comment
  CHSC81161  Penstemon rydbergii var. oreocharis Lowell Ahart 2001-8-29 9235 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  NY651284  Penstemon rydbergii var. oreocharis A. A. Heller 1907-7-5 8735 Plumas Red Clover valley Comment
  RSA59468  Penstemon rydbergii var. oreocharis E. K. Balls 1950-9-16 15883 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  UC566053  Penstemon rydbergii var. oreocharis G. T. Nordstrom 1934-7-16 222 Plumas 1 1/4 mi sw Bucks Ranch; Bidwell Bar Quad., sw of Bucks Ranch 1615 Comment
  UC696715  Penstemon rydbergii var. oreocharis A. A. Heller with P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  NY660834  Penstemon speciosus F. W. Pennell 1940-6-11 25811 Plumas Route 24, Spring Garden 1341.1 Comment
  CHSC97624  Perideridia bolanderi subsp. bolanderi Lowell Ahart; John Dittes 2007-6-16 14146 Plumas On dry gravelly soil, on a low rocky open hill, west of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA726452  Perideridia bolanderi subsp. bolanderi L. Ahart, John Dittes 2007-6-16 14146 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
  RSA518866  Perideridia bolanderi subsp. bolanderi Barbara Ertter, Gary Schoolcraft 1989-7-3 8661 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  SBBG5162  Perideridia gairdneri H. and M. Dearing 1938-7-1 2263 Plumas Greenville Comment
  CHSC99813  Perideridia lemmonii Lowell Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  SBBG128056  Perideridia lemmonii L. Ahart, J. Dittes 2009-7-28 16203 Plumas NW side of a logging rd, seeps, slope NW of mine, W (above) Forest Service Rd 27N28Y, 2.9 mi NW of Butt Valley Reservoir Dam 1581 Comment
  CHSC75893  Perideridia parishii subsp. latifolia G. F. Hrusa 1996-8-2 13449 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine rock. [Original lat./long. on label is '39 28 N; 120 47 W']. 1820 Comment
  HSC100144  Perideridia parishii subsp. latifolia G. Douglas Barbe, T. C. Fuller and J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mi. S of junction of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Rd. 1634 Comment
  CAS-BOT-BC413556  Persicaria amphibia Brian Curks 1937-8-15 s.n. Plumas Lake Alninor [Almanor] Comment
  CAS-BOT-BC419043  Persicaria lapathifolia Thomas H. Kearney 1944-8-14 43 Plumas Near Prattville, Lake Almanor Comment
  CHSC23615  Persicaria lapathifolia J. Cox 1975-7-4 Plumas SE side of Lake Almanor. Comment
  RSA0118926  Persicaria lapathifolia Lowell Ahart 2014-8-24 19738 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  CAS-BOT-BC419232  Persicaria maculosa David D. Keck 1932-7-3 1665 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  UCD120739  Phacelia Alan A. Beetle 1941-6-28 2778 Plumas West side of Lake Almanor. Comment
  CHSC21086  Phacelia hastata subsp. hastata F. T. Griggs; A. Pass 1975-7-2 57 Plumas Buck's Lake Forest Service Survery Comment
  CDA18730  Phacelia hastata subsp. hastata G. D. Barbe, T. C Fuller 1982-7-15 3737 Plumas Plumas National Forest; 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). 1676 Comment
  RSA8036  Phacelia heterophylla subsp. virgata H. A. Barker 1927-7-16 824 Plumas Blairsden 1372 Comment
  SFV3014  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Sierra Nevada Rich Gulch. 1174 Comment
  JEPS21180  Phacelia humilis var. humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  SEINET12765121  Phacelia humilis var. humilis Lowell Ahart 2007-6-8 14005 Plumas 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis.; 0 1966 Comment
  CHSC52525  Phacelia hydrophylloides L. P. Janeway 1990-6-28 3740 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  CHSC96852  Phacelia mutabilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14044 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS28499  Phacelia mutabilis George W. Gillett 1957-7-23 889 Plumas Mt. Harkness Lassen Volcanic National Park (summit) 2446 Comment
  RSA169420  Phacelia mutabilis L. S. Rose 1963-6-5 63137 Plumas East Branch, North Fork of Feather River, 0.5 miles north of Rich Bar. 823 Comment
  SEINET10497020  Phacelia procera Mary Susan Taylor 1982-8-5 Taylor 4941 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
  JEPS97364  Phacelia racemosa Vernon H. Oswald and L. Ahart 1994-7-24 7117 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, 6300 ft, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10 1920 Comment
  CAS-BOT-BC265833  Phalaris arundinacea John Thomas Howell 1951-8-21 28236 Plumas Mohawk, Sierra Nevada 1371 Comment
  SEINET7297007 Image available Phalaris arundinacea John Thomas Howell 1973-1 49713 Plumas Crescent Mills 1067 Comment
  SEINET892448 Image available Philadelphus californicus Lewis S. Rose 1967-1 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  CAS-BOT-BC260845  Phleum pratense John Thomas Howell 1955-7-20 30861 Plumas Mohawk, Sierra Nevada 1371 Comment
  CAS-BOT-BC260851  Phleum pratense Greg Sommers 1976-7-5 151 Plumas Sierra Valley Marsh, S side of Marble Lane, Sierra Nevada 1487 Comment
  CHSC24251  Phleum pratense K. R. Stern 1975-7-24 Plumas SE side of Lake Almanor. Comment
  RSA59827  Phleum pratense E. K. Balls 1950-9-15 15844 Plumas 6 miles NW of Chester, North Fork Feather River 1402 Comment
  RSA726389  Phleum pratense L. Ahart, Josephine Guardino 2007-7-21 14360 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1788 Comment
  SEINET4889145  Phleum pratense M. Foster 1988-7-15 188 Plumas Grizzly Valley Quad, inside U.S.F.S. cattle exclosure, on north side of Big Grizzly Creek, 0.25 miles south of Walker Mine Road, 1 mile west of Lake Davis, 12 miles north by northwest of Portola 1768 Comment
  CHSC89811  Phlox diffusa G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3264 Plumas Sierra Nevada. Summit of Mt. Hough. 2194 Comment
  CHSC98755  Phlox diffusa L. P. Janeway 2007-8-13 9178 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  JEPS26692  Phlox speciosa subsp. nitida P. C. Hutchison 1961-6-9 2132 Plumas 0.4 mi e Dam and store; Round Valley Reservoir Comment
  HSC73120  Phoenicaulis cheiranthoides M. S. Taylor 1981-6-17 3921 Plumas Top of Mt. Ingalls around lookout, 7 mi. SE of Genesee 2552 Comment
  CHSC35266  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas On top of hill, n and ne side on w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  RSA451853  Physocarpus capitatus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  JEPS115213  Pinus contorta subsp. murrayana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam 1606 Comment
  NY62282  Pinus jeffreyi H. E. Brown 1897-8-1 621 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11610316  Pinus jeffreyi David Charlet, T. Charlet 1996-7-20 2298 Plumas Sierra Nevada, Diamond Mts, Feather River drainage, Last Chance, North side of creek Comment
  CHSC101925  Pinus lambertiana Lowell Ahart; John Dittes 2009-7-13 16057 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
  OBI69179  Pinus lambertiana Kristina L. Schultz, Dan Schultz 2000-11-3 2 Plumas Quincy Range. Located 1/4 mi off trl at the intersection of Jackson st and Old Meadow Valley rd Comment
  CAS-BOT-BC78948  Pinus monticola Lewis S. Rose 1932-9-6 32625 Plumas Wade Lake 1981 Comment
  CAS-BOT-BC79049  Pinus ponderosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1595 Plumas Fern Glen 1097 Comment
  CHSC33884  Pinus ponderosa M. S. Taylor 1981-7-21 4074 Plumas NE corner of jct 25N42 and 401, above squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  NY42392  Pinus ponderosa J. B. Walker 1994-8-1 861 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET12616076  Pinus ponderosa var. ponderosa D. A. Charlet, T. Charlet 1996-7-20 2299 Plumas Sierra Nevada; Diamond Mts Feather River Drainage near headwaters of Last Chance Ck, south of Milford Grade 1737 Comment
  HSC1545  Pinus sabiniana W. R. Rogers 1965-8-20 297 Plumas Bulk Collection # 37 Comment
  CHSC65818  Piperia elongata L. P. Janeway 1993-8-3 4489 Plumas Plumas National Forest. Along Road 25N22 on west side of Soda Creek 0.1 mi northwest of Hwy 70 (and East Branch North Fork Feather River). 890 Comment
  CHSC101943  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-13 16050 Plumas On dry soil, on the west 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
  JEPS123963  Piperia unalascensis Lowell Ahart 2015-7-4 20290 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  SBBG21827  Piperia unalascensis D. Myrick 1964-7-19 867 Plumas Boiling Lake Trail, Drakesbad, Lassen Volcanic Nat Park 1828 Comment
  UCD138995  Piperia unalascensis W. R. Powell 1968-7-2 1595 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CDA17257  Plagiobothrys cognatus G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16284 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC100366  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
  JEPS115522  Plagiobothrys cusickii Lowell Ahart, John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC230956  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC115159  Plagiobothrys hispidulus Lowell Ahart 2015-6-7 20216 A Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  CHSC65330  Plagiobothrys hispidulus Lowell Ahart 1995-10-1 7645 Plumas On the bottom of the pond (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  JEPS113658  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2007-6-16 14092 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SJSU15115  Plagiobothrys hispidulus N. A. Hopkins 1986-7-15 1359 Plumas S end Squaw Valley Comment
  SJSU14712  Plagiobothrys mollis N. A. Hopkins 1991-6-26 1685 Plumas Marble Hot Springs Rd 1524 Comment
  SD7905  Platanthera dilatata var. leucostachys Mrs. R. M. Austin 1880-1 Plumas No further locality information on label on specimen sheet. Comment
  CDA13420  Platanthera leucostachys G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13268 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC66710  Platanthera leucostachys Vernon H. Oswald 1996-8-1 8138 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. At a branch of Second Water Trough Creek, ca 1.5 mi NW of Hauns Mdw., ca 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  RSA508638  Platanthera leucostachys Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  CDA14767  Platanthera sparsiflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3354 Plumas 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  UC1094743  Plectritis macrocera Francia Chisaki 1956-6-1 899 Plumas 5.7 mi e of Virgilia (on Highway Alt. #40) Comment
  UCD32545  Poa Beecher Crampton 1954-5-11 1876 Plumas Plumas - Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC244348  Poa annua John Thomas Howell 1959-9-22 34864 Plumas Drakesbad 1737 Comment
  CHSC97088  Poa bolanderi Lowell Ahart; Josephine Guardino 2007-7-21 14369 Plumas Around pine trees, about 20 yards north of a large meadow, about 100 yards east of the bridge, about 30 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 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
  CAS-BOT-BC254967  Poa bulbosa Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1857 Plumas Butterfly Botanical Area and Vicinity. On W side of Butterfly Valley proper 1066 Comment
  CAS-BOT-BC254974  Poa bulbosa L. W. Swift 1934-5-12 110 Plumas Taylorsville 1097 Comment
  SEINET7744878  Poa bulbosa J. A. Young 1982-1 s.n. Plumas Dye Creek Meadow. 1524 Comment
  CAS-BOT-BC255089  Poa compressa L. W. Swift 1934-7-26 120 Plumas Butterfly Protection Plot #2, Plumas forest 1097 Comment
  CAS-BOT-BC255095  Poa compressa Mrs. H. C. Cantelow 1951-7-31 21 Plumas Near Mohawk Tavern Comment
  UCD90903  Poa cusickii P. B. Kennedy; A. A. Heller 1907-7-5 8751 Plumas Red Clover Valley. Comment
  RSA300172  Poa palustris J. T. Howell 1961-9-23 36852 Plumas Indian Valley; Sierra Nevada 1082 Comment
  SEINET228555 Image available Poa palustris Lowell Ahart 1981-9-6 30 64 Plumas About 6 miles north of Taylorsville, elev. 1300 ft.Yellow pine forest, found growing on damp soil along the edge of Lights Creek. 396 Comment
  SEINET264684 Image available Poa pratensis S. Scott sn Plumas Plumas National Forest ; Sierra Nevada Range eastern side Milford Ranger District Ingalls area 1768 Comment
  SEINET10836180  Poa pratensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4655 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  CHSC112081  Poa pratensis subsp. angustifolia L. P. Janeway 2014-7-15 11522 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC97569  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2007-6-17 14189 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  RSA755773  Poa pratensis subsp. pratensis L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16105 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  SEINET10659349  Poa scabrella Mary Susan Taylor 1982-6-14 Taylor 4655 Plumas T27N R12E sw1/4 nw1/4 sec 12. Antelope Lake quad. In wet montane meadow, Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. With Potentilla gracilis nuttallii. 1536 Comment
  CAS-BOT-BC242991  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True 1967-5-9 42208 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CHSC41174  Poa secunda subsp. secunda L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-9 Plumas Plumas N.F. ECOS plot 11-127. Along ridge between Indian Cr and Hungry Cr and near the confluence of Hungry and Middle Creeks. 1554 Comment
  CHSC57466  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River. 1487 Comment
  CHSC72475  Poa secunda subsp. secunda L. P. Janeway 1998-6-24 5674 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  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
  CAS-BOT-BC6511  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  NY546655  Poa sierrae J. T. Howell 1967-5-9 42204 -[male] Plumas Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon 609.6 Comment
  RSA0069340  Poa sierrae Dean W. Taylor 2012-5-2 21186 Plumas Lewisia Rock, 4 miles west (downcanyon) from Belden (turnoff), Feather River Canyon. 660 Comment
  CHSC92934  Polemonium californicum L. P. Janeway; B. Castro 2005-9-11 8545 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail about 0.6 km north of Three Lakes. 1899 Comment
  SEINET10496912  Polemonium pulcherrimum Mary Susan Taylor 1981-7-6 Taylor 3974 Plumas T24N R15E nw/ne sec 15. Dixie Mt quad. Top of Dixie Mt near the Lookout, ca. 5 air mi W of N tip of Frenchman Lake, ca. 13 air mi NW of Chilcoot. Pure volcanic rock outcrop; 8327 ft elev. 2538 Comment
  CHSC84940  Polemonium pulcherrimum var. pulcherrimum Lowell Ahart 2003-10-17 10648 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  CAS-BOT-BC167539  Polygala cornuta var. cornuta John Thomas Howell 1966-7-26 42003 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  POM104588  Polygonum amphibium var. stipulaceum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  RSA52850  Polygonum arenastrum R. Weatherby 1950-7-21 1468 Plumas East Quincy. 1037 Comment
  SEINET11934445  Polygonum aviculare L. Ahart, Ahart, P. 1985-1 5174 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Comment
  JEPS122238  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-9-9 19842 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS120553  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  JEPS87769  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  RSA88466  Polygonum davisiae J. T. Howell 1951-6-28 27692 Plumas Eureka Peak 1982 Comment
  CAS-BOT-BC414557  Polygonum douglasii L. P. Janeway 1993-8-10 4517 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 1487 Comment
  UCD100254  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy. 1036 Comment
  CAS-BOT-BC414560  Polygonum douglasii Lowell Ahart 1977-8-2 s.n. Plumas One mile west of Pilot Pk. Pilot Pk. is about 15 miles north-east of La Porte 2000 Comment
  CHSC62484  Polygonum douglasii subsp. douglasii L. P. Janeway 1993-8-5 4498 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. 1623 Comment
  JEPS95706  Polygonum douglasii subsp. douglasii Lowell Ahart 1995-9-13 7624 Plumas about 1 mile north-west of Pilot Peak; Onion Valley; on the north side of Onion Valley; east of Quincy La Porte Road; about 1 mile north-west of Pilot Peak 1828 Comment
  CHSC53210  Polygonum douglasii subsp. johnstonii L. P. Janeway 1989-6-14 3306 Plumas Plumas National Forest. Beckwourth Ranger District. Forest along s'ly side of Red Clover Valley. Openings in yellow pine forest; volcanic gravelly area, mostly bare; among sagebrush. 1699 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
  UC466039  Polygonum douglasii subsp. spergulariiforme Mrs. R. M. Austin 1896-1 466 Plumas Big Meadows Comment
  RSA95484  Polygonum kelloggii L. S. Rose 1954-5-30 54060 Plumas Johnsville 1601 Comment
  UC1101203  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-19 1416 Plumas about 2 mi s Greenville; Indian Valley Comment
  CAS-BOT-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
  JEPS115129  Polygonum persicaria Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16238 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  UC1101118  Polygonum persicaria Malcolm A. Nobs and S. Galen Smith 1949-8-19 1407 Plumas ca 2 mi s Greenville; Indian Valley Comment
  RSA52851  Polygonum persicaria R. Weatherby 1950-7-21 1469 Plumas East Quincy. 1037 Comment
  JEPS48944  Polygonum phytolaccifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  UC965537  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1952-7-17 14389 Plumas Beckwourth Sierra Valley Comment
  CAS-BOT-BC420042  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1954-5-30 54060 Plumas Johnsville 1600 Comment
  CHSC46709  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1989-8-22 3951 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. On the drying strand of the lake. 1950 Comment
  CAS-BOT-BC420057  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-19 37865 A Plumas Sierra Valley, 5.8 miles e. of Beckwourth 1493 Comment
  CAS-BOT-BC420060  Polygonum polygaloides subsp. kelloggii John Thomas Howell; H. Keith Wagnon 1980-5-27 53615 Plumas 1 mile west of Almanor 1386 Comment
  JEPS102514  Polygonum prolificum Lowell Ahart 2001-9-18 9290 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC420215  Polygonum sawatchense subsp. sawatchense Lowell Ahart 1977-8-2 s.n. Plumas One mile west of Pilot Pk. Pilot Pk. is about 15 miles north-east of La Porte 2000 Comment
  JEPS50550  Polygonum sawatchense subsp. sawatchense W. I. Follett 1941-5-31 123 Plumas Rich Gulch 1173 Comment
  CHSC63470  Polygonum shastense Lowell Ahart 1994-7-20 7486 Plumas Open bare area, north of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Also says Sierra County. 1981 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
  CAS-BOT-BC72041  Polypodium calirhiza John Thomas Howell 1967-6-22 42658 Plumas near mouth of Chambers Creek, canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC237270  Polypogon monspeliensis John Thomas Howell 1961-9-24 36908 Plumas Feather River bed SW of Beckwourth 1487 Comment
  JEPS33252  Polystichum imbricans subsp. imbricans W. L. Jepson 1924-7-22 10611 Plumas Rich Point; Middle Fork Feather River 914 Comment
  CHSC30757  Polystichum lemmonii M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3348 Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  JEPS95302  Polystichum lemmonii Lowell Ahart 1994-7-28 7531 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC76709  Polystichum lemmonii M. S. Taylor 1982-6-9 4617 Plumas S side of Bucks Lake Rd., just E of Deanes Valley Rd., ca. 1.0 mi. NW of Meadow Valley. Bucks Lake Quad. 1127 Comment
  CHSC97802  Polystichum scopulinum L. P. Janeway 2007-8-12 9165 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1652 Comment
  CAS-BOT-BC102757  Populus tremuloides Alice Eastwood 1927-6-27 14894 Plumas United States Forest Reserve, on road from [Chilcott] Chilcoot Comment
  CAS-BOT-BC102760  Populus tremuloides Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CDA39483  Populus trichocarpa L. Ahart 2001-6-4 8751 Plumas On the edge of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. Comment
  SEINET10932139  Populus trichocarpa Mary Susan Taylor 1981-8-5 Taylor 4161 Plumas T28N R12E se 1/4 sw 1/4 sec 32. Kettle Rock quad. At jct of Pierce & Indian Creeks, ca. 1 mi N of Fruit Growers Blvd. ca. 2 air mi W of Antelope Lake. Granitic soils. 5500 ft. 1676 Comment
  SBBG69658  Porterella carnosula E. Rockwell -Jun-1925 493 Plumas Last Chance Crk 1828 Comment
  SEINET10460764  Porterella carnosula H. E. Brown Brown 615 Plumas Near Lassen Buttes 1829 Comment
  SEINET10873430  Porterella carnosula Quick 1952-9-5 QUICK 52 -308 Plumas Wet place northwest of Almanor Comment
  RSA769215  Portulaca oleracea L. Ahart, John Dittes 2009-9-7 16389 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CAS-BOT-BC445274  Portulaca oleracea John Thomas Howell 1959-9-21 34749 Plumas Sand bars of N. Fk. Feather River, near Belden 701 Comment
  UC1099877  Potamogeton epihydrus subsp. nuttallii Malcolm A. Nobs, S. Galen Smith 1949-8-20 1469 Plumas 9 mi s of Milford (on road between Beckwith and Milford); Willow Creek Comment
  UC1099860  Potamogeton foliosus Malcolm A. Nobs, S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at n end of Lake Almanor (just s of Chester) Comment
  SEINET3825834  Potamogeton gramineus Malcolm A. Nobs, S. Galen Smith 1949-8-19 1427 Plumas 2 miles south of Crescent Mills on Highway 89 south end of Indian Valley Comment
  CHSC32870  Potamogeton natans L. Ahart 1980-9-17 2654 Plumas In the lake. Ca. 0.5 mi w of Fowler Peak. 1600 Comment
  CAS-BOT-BC453921  Potamogeton pectinatus Fred Sommers 1976-8-10 199 Plumas Sierra Valley Marsh, in channel fed by Marble Hot Springs. 1524 Comment
  CAS-BOT-BC453968  Potamogeton pectinatus Mrs. Jos. Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  RSA716594  Potamogeton richardsonii Lowell Ahart, John Dittes 2005-9-19 12376 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  RSA0089042  Potentilla ashlandica Bonnie C. Templeton 1968-6-9 11249 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  HSC93325  Potentilla biennis Vernon H. Oswald, L. Ahart 1996-7-15 8013 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  RSA462458  Potentilla biennis Rockwell 1925-07 s.n. Plumas Beckwourth Comment
  CHSC20763  Potentilla glandulosa K. R. Stern 1975-7-24 5888 Plumas SW shore of Lake Almanor. 1371 Comment
  RSA59179  Potentilla glandulosa subsp. ashlandica E. K. Balls 1950-9-1 15605 Plumas East of Long Lake, 2134 Comment
  UCR207982  Potentilla glandulosa subsp. hansenii Lyman Benson 1932-7-29 3988 Plumas Sierra Nevada Mtns., Bucks Lake, Feather River Drainage 1585 Comment
  CDA19274  Potentilla gracilis var. elmeri G. D. Barbe, T. C. Fuller 1982-6-17 3858 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CAS-BOT-BC540072  Potentilla gracilis var. fastigiata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC540082  Potentilla gracilis var. fastigiata Alice Eastwood 1927-6-27 14870 Plumas Chilcott Comment
  SEINET3156975  Potentilla palustris M. E. Jones 1897-7-3 sn Plumas Prattville 1372 Comment
  CHSC66639  Potentilla rivalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8013 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a jeep road paralleling the lake. 1371 Comment
  JEPS87119  Potentilla rivalis L. P. Janeway 1992-11-4 4320 Plumas ca 0.3 mi w Bagley Pass Road (nw side of Lake Davis, at the end of Mosquito Slough Road (24N54Y), Beckwourth Ranger District, Westside Compartment); Plumas National Forest, Grizzly Valley Quad. 1755 Comment
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Feb 13 2007
  CHSC35280  Poteridium annuum M. S. Taylor; M. Foster 1981-6-2 3823 A Plumas N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CHSC97632  Poteridium annuum Lowell Ahart; John Dittes 2007-6-17 14195 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC47622  Primula suffrutescens Wayne Roderick 1967-8-5 s.n. Plumas Luther Ridge, Plumas-Sierra County line 2133 Comment
  SEINET10498363  Prunella vulgaris subsp. lanceolata Mary Susan Taylor 1974-7-3 Taylor 303 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CHSC52059  Prunella vulgaris var. lanceolata L. P. Janeway 1990-7-6 3780 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  CAS-BOT-BC159820  Prunus andersonii John Thomas Howell 1962-6-19 37879 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC158136  Prunus emarginata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC158143  Prunus emarginata Anna Head 1920-6-20 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC158149  Prunus emarginata R. F. Thorne; C. W. Tilforth 1969-9-6 39224 Plumas C. 2.5 mi. S. of Graeagle on Gold Lake Road 1645 Comment
  UC1128323  Prunus emarginata E. Sawyer 1935-5-23 34 Plumas 1 1/2 mi ssw of Kerby (Plumas National Forest); Plumas National Forest 1554 Comment
  UCD113230  Prunus emarginata O. Lilleland 1932-8-1 s.n. Plumas Plumas County. 187 Comment
  CAS-BOT-BC154845  Prunus virginiana var. demissa John Thomas Howell 1961-6-21 36648 Plumas Greenville 1097 Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CHSC81149  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  UCSB13454  Prunus virginiana var. demissa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET13710063  Prunus virginiana var. demissa Lowell William Ahart, Lowell William Ahart 2001-1 9212 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CAS-BOT-BC356381  Pseudognaphalium beneolens John Thomas Howell 1960-8-20 36279 Plumas Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad 1615 Comment
  CHSC81608  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) northeast of Quincy. 1522 Comment
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Jun 28 2016
  CAS-BOT-BC357349  Pseudognaphalium microcephalum John Thomas Howell 1951-8-19 28173 Plumas Near Paxton 914 Comment
  JEPS107710  Pseudognaphalium thermale Lowell Ahart, John Dittes 2005-9-19 12405 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
  JEPS8018  Pseudognaphalium thermale Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3479 Plumas 1.3 mi e, along Highway 36 Chester; Mud Creek Valley, California State Highway 36 1380 Comment
  JEPS95460  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  JEPS106226  Pseudostellaria sierrae Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  NY63887  Pseudotsuga menziesii var. menziesii E. Fritz 1936-1-28 8209 Plumas Comment
  CAS-BOT-BC361997  Psilocarphus tenellus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2126 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC72544  Pteridium aquilinum J. G. Lemmon & Wife s.n. Plumas Sierra Valleys Comment
  CAS-BOT-BC453566  Pterospora andromedea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1650 Plumas Butterfly Botanical Area and Vicinity: In area adjacent to Sweetwater Meadow 1127 Comment
  POM82023  Pteryxia terebinthina Mrs. R. M. Austin 1883-07 26 Plumas Big Meadows. Comment
  CAS-BOT-BC147869  Purshia tridentata var. tridentata Ben Beard; J. D. Schoeller 1926-5-24 417 Plumas Plumas National Forest, Last Chance naer McDermott Pasture Comment
  RSA60223  Purshia tridentata var. tridentata E. K. Balls 1950-9-6 15697 Plumas By Jackson Creek Public Camp, Middle Fork Feather River. E of Quincy, Hwy 24. Comment
  CHSC56859  Pycnanthemum californicum L. P. Janeway; Garrett Gibson 1991-8-2 4104 Plumas Plumas Natiotal Forest. South side of Smith Peak; at spring near head of West Branch Humbug Creek. 1828 Comment
  UC1594680  Pyrola asarifolia Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5043 Plumas Grass Lake located just W of Lakes Basin Campground ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd 519) 1926 Comment
  UC876204  Pyrola asarifolia Anna Head 1920-8-3 Plumas meadows above Lake Center Camp, Feather River Region Comment
  CHSC62548  Pyrola asarifolia subsp. asarifolia B. Castro; R. A. Schlising 1987-7-21 160 Plumas Ca 6 mi E of Graeagle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  RSA0084316  Pyrola picta Diana D. Jolles 2011-8-9 471 Plumas Plumas National Forest, about 2.5 miles up forest road 77 to Dixie Mountain Lookout from Frenchman Lake Road (284). 1994 Comment
  CAS-BOT-BC462901  Pyrola picta John Thomas Howell 1960-7-14 35695 Plumas Lassen Volcanic National Park: Drakesbad 1828 Comment
  SEINET10449177  Pyrola picta Mary Susan Taylor 1981-7-21 Taylor 4091 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
  CDA18447  Pyrola picta var. dentata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3175 Plumas Sierra Nevada; 2.0 miles south of jct Long Valley and Rush Creek Roads; 4.0 miles north of Hwy 70 at Grays Flat. 1447 Comment
  CHSC34919  Pyrrocoma carthamoides var. cusickii M. S. Taylor 1981-7-21 4082 Plumas NE corner of jct of 25N42 and 401 (E and above Squirrel Creek), ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC362287  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 1990-7-29 487 Plumas Sierra Valley. At the gate to the old Pat Nobel ranch 1490 Comment
  JEPS113922  Pyrrocoma lanceolata var. lanceolata W. and N. Harnach 2000-8-2 974 Plumas Sierra Valley, 3/4 mile east of A-23 on Marble Lane at the hot wells. Comment
  UCD14010  Quercus chrysolepis John M. Tucker 1948-7-25 1750 Plumas California, Plumas Co.; 1.3 mi. east of Camp 18, area of Camel's Peak; Comment
  SEINET13953388 Image available Quercus garryana Lewis S. Rose 1951-1 51020 Plumas East Fork of the Feather River alt. 2700 ft. 823 Comment
  UC1135636  Quercus garryana var. semota E. Nourse 1934-8-1 5 Plumas 1 mi nw Silver Creek; Plumas National Forest, Bidwell Bar Quad. 1432 Comment
  UC1748319  Quercus garryana var. semota James D. Jokerst, R. A. Schlising, and L. Ahart 1985-8-12 2559 Plumas Red Mountain Road 1.1 mi above jct. with Rich Gulch Road, N of Hwy. 70 1584 Comment
  JEPS115887  Quercus kelloggii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15856 Plumas On the south side of the road, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  UC338621  Quercus kelloggii unknown 1889-5-28 Plumas Mohawk valley Comment
  CAS-BOT-BC104599  Quercus vacciniifolia Lloyd W. Swift 1932-7-11 67 Plumas Forest Plumas. Near Tamarack, R. S. 1706 Comment
  CDA12148  Quercus vacciniifolia G. F. Hrusa, J. Dinsdale 1989-6-25 7201 Plumas Sierra Nevada; Bucks lake north shore. 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
  UC1135816  Quercus vacciniifolia D. Axelrod 1934-6-6 5 Plumas sw of La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  UCD14011  Quercus vacciniifolia John M. Tucker 1948-7-24 1733 Plumas California, Plumas Co.: about 1/4 mi. below the Camel Peak Lookout, along the road; Comment
  CAS-BOT-BC362684  Raillardella argentea John Thomas Howell 1951-6-28 27724 Plumas Eureka Peak 2225 Comment
  CHSC63449  Raillardella argentea Lowell Ahart 1994-7-20 7475 Plumas Plumas and Sierra Counties. North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC107439  Ranunculus alismifolius var. alismellus Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 2 Plumas Northern High Sierra Nevada. 0.2 miles (air) South of Goat Mountain on opposite side of Pancake Ravine in a wet meadow on a N facing 0-25% slope. 1626 Comment
  CHSC21113  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-1 13 Plumas East of Grizzly Creek. Buck's Lake. Comment
  CAS-BOT-BC379235  Ranunculus alismifolius var. alismellus Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1423 Plumas Butterfly Botanical Area and vicinity 488 Comment
  CAS-BOT-BC379369  Ranunculus alismifolius var. alismifolius John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54105 Plumas 10.6 mi northeast of La Porte on road to Quincy 1890 Comment
  CAS-BOT-BC379213  Ranunculus aquatilis Gordon H. True; John Thomas Howell 1968-6-10 44546 Plumas Quincy 488 Comment
  SEINET12091403  Ranunculus aquatilis var. diffusus W. Knight, Knight, I. 1983-1 4930 Plumas at Drakesbad guest ranch. Lassen Volcanic Nat. Park 1722 Comment
  UCD20198  Ranunculus aquatilis var. diffusus R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  CDA19255  Ranunculus aquatilis var. hispidulus G. D. Barbe, T. C. Fuller 1982-6-17 3857 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS54996  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  CDA24318  Ranunculus cymbalaria var. saximontanus L. Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  SEINET8696953  Ranunculus flabellaris W. Harnach, N. Harnach 1991-6-17 545 Plumas Sierra Valley, 0.75 mile W of steel bridge on Marble Lane. 1486 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  CDA19218  Ranunculus orthorhynchus var. orthorhynchus G. D. Barbe, T. C. Fuller 1982-6-16 3787 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  SEINET8700857  Ranunculus testiculatus W. Harnach, N. Harnach 2000-4-27 880 Plumas Sierra Valley, intersection of Hwy 49 and Dyson Lane, 6 miles N of Loyalton. 1498 Comment
  CAS-BOT-BC55824  Rhamnus John Thomas Howell 1977-6-21 52395 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  SEINET13946361 Image available Rhamnus purshiana A. A. Heller 1915-1 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Bucks 1676 Comment
  RSA518963  Rhamnus rubra J. T. Howell 1973-7-10 49731 Plumas Open yellow pine forest near Greenville. 1098 Comment
  CAS-BOT-BC56575  Rhododendron columbianum Walter Knight; Irja Knight 1966-6-18 1289 Plumas Butterfly Valley 1143 Comment
  CAS-BOT-BC56579  Rhododendron columbianum Rimo Bacigalupi 1927-7-10 1693 Plumas meadow about 1/4 mile below ouetlet of Long Lake along Gray Eagle Creek 1828 Comment
  CDA20456  Rhododendron occidentale B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  CHSC55690  Rhododendron occidentale Steven Triano 1988-4-17 59 Plumas Ca 40 ft n of Hwy. 70 and 11.3 mi e of its jct. with Hwy 89. 822 Comment
  SD134047  Rhynchospora capitellata Peter Rubtzoff 1962-10-15 Plumas Butterfly Valley. Comment
  CAS-BOT-BC168856  Ribes inerme var. klamathense David D. Keck 1932-7-3 1653 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC212659  Ribes nevadense Lowell Ahart 1981-7-21 2946 Plumas Head of Dixon Creek, N of Pilot Peak 1800 Comment
  CAS-BOT-BC219213  Ribes nevadense Walter & Irja Knight 1967-5-22 1803 Plumas Fern Glen 1112 Comment
  UC580681  Ribes nevadense F. W. Embree 1934-6-6 85 Plumas 1 1/2 mi nw Bucks Mountain; Bidwell Bar Quadrangle Comment
  UC1127540  Ribes roezlii G. Burks 1933-8-8 26 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC363062  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth 1645 Comment
  CAS-BOT-BC74626  Rorippa curvisiliqua John Thomas Howell 1959-9-25 34996 Plumas Sierra Nevada. Beach of Feather River. Portola. 1478 Comment
  CAS-BOT-BC74631  Rorippa curvisiliqua Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS102812  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC75019  Rorippa palustris Lowell Ahart 1981-9-6 3122 Plumas Sierra Nevada. 1.5 mile southwest of Crescent Mills. 1200 Comment
  CHSC91755  Rosa gymnocarpa G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3344 Plumas Sierra Nevada. 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CAS-BOT-BC147045  Rosa pisocarpa John Thomas Howell 1961-6-21 36701 Plumas Greenville 1097 Comment
  CHSC75927  Rosa pisocarpa G. F. Hrusa; T. D. Wilfred 1996-8-2 13426 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor rocks, 1 mi. NW of Argentine Rock. On spring, tributary of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1820 Comment
  UC711930  Rosa woodsii subsp. ultramontana Roxana S. Ferris and Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  JEPS104635  Rosa woodsii var. ultramontana Lowell Ahart 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, ca 2 1/4 mi (by road) e of Beckwourth Calpine Rd, ca 4 mi (air) se of Beckwourth, Sierra Valley. 1527 Comment
  UC1128606  Rosa woodsii var. ultramontana E. Sawyer 1935-6-27 171 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quadrangle Comment
  CDA32030  Rotala ramosior L. Ahart, J. Dittes 2009-9-7 16383 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  CAS-BOT-BC433197  Rubus flagellaris John Thomas Howell 1961-9-23 36839 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC148002  Rubus leucodermis Thomas H. Kearney 1944-8-14 63 Plumas Near Prattville, Lake Almanor Comment
  CHSC117549  Rubus parviflorus Lowell Ahart 2016-7-9 21100 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
  CAS-BOT-BC156917  Rubus ursinus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC66700  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1996-8-1 8137 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CAS-BOT-BC421407  Rumex John Thomas Howell 1977-8-11 52712 Plumas Bottom of Frenchmans Reservoir on east side near Big Cove 1706 Comment
  CAS-BOT-BC422045  Rumex acetosella Alice S. Mulford 1944-8-12 s.n. Plumas Dry Field s.w. side of Mohawk Tavern, Mohawk 1341 Comment
  CAS-BOT-BC422166  Rumex californicus John Thomas Howell 1961-9-23 36836 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC433315  Rumex crispus M. S. Taylor 1982-9-8 5108 Plumas S side of Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  CAS-BOT-BC267076  Sagittaria John Thomas Howell 1961-9-23 36853 Plumas Indian Valley 1082 Comment
  POM119223  Sagittaria Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC445677  Sagittaria cuneata John Thomas Howell 1966-7-29 42009 Plumas Quincy. 1036 Comment
  CAS-BOT-BC445743  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1219 Comment
  CAS-BOT-BC445749  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1511 Plumas Butterfly Botanical Area and Vicinity 1091 Comment
  CAS-BOT-BC103630  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Trail to Elwell at spring on ridge, Gold Lake Region Comment
  JEPS115120  Salix exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16222 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  SEINET10386357  Salix exigua W. Harnach, N. Harnach 1991-6-21 557 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to railroad bridge E of County Road A-23. 1487 Comment
  JEPS122330  Salix exigua var. hindsiana Lowell Ahart 2014-9-9 19851 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CHSC110599  Salix jepsonii B. Castro; L. Janeway 2006-6-3 1575 Plumas Northern High Sierra Nevada. NE side of Lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  UC440204  Salix lasiandra subsp. lasiandra Mrs. C. M. Wilder 1912-7-10 9331 Plumas e. of lakes Bear Lakes Comment
  CAS-BOT-BC125306  Salix lasiandra var. lasiandra John Thomas Howell 1960-7-18 35593 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC125313  Salix lasiandra var. lasiandra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54336 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CAS-BOT-BC125319  Salix lasiandra var. lasiandra John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2200 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC128428  Salix lasiolepis var. lasiolepis Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC128431  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  JEPS102790  Salix lasiolepis var. lasiolepis Lowell Ahart 2001-6-4 8756 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile SW of the Feather Fork Mine, about 1 mile NE of Little Grass Valley Reservoir, about 5 miles (air) NE of La Porte. 1594 Comment
  JEPS106026  Salix lasiolepis var. lasiolepis Lowell Ahart, Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1158 Comment
  CAS-BOT-BC124791  Salix lemmonii Ella Dales Cantelow 1939-5-20 2564 Plumas Meadow Valley Comment
  CHSC69902  Salix lemmonii L. P. Janeway 1997-5-14 5124 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  JEPS14800  Salix lemmonii W. L. Jepson 1910-6-5 4066 Plumas Warner Valley 1524 Comment
  RSA11885  Salix lemmonii Elmer I. Applegate 1929-6-21 5784 Plumas Between Kelly's Camp and Drakesbad. Comment
  CAS-BOT-BC125102  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC481906  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
  UC482028  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CDA21494  Salix melanopsis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3171 Plumas Sierra Nevada; 4.6 miles south of junction Long Valley and Rush Creek Roads, above Rush Creek. (Improved logging road at bridge over Rush Creek). 1402 Comment
  SBBG57919  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 396 Plumas N Fork of Feather River, at Chester 1350 Comment
  SJSU203  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin & Beryl Kautz 1931-5-31 396 Plumas N Fork Feather R, Chester 1341 Comment
  RSA92639  Salix melanopsis F. W. Peirson 1932-7-19 10349 Plumas Feather River. Near Chester. 1463 Comment
  CHSC34263  Salsola tragus M. S. Taylor 1981-8-31 4260 Plumas Small creek under RR tracks, off Spur Rd, 0.5 mi s of Hwy 70, near Maple, ca. 3 mi w of Portola. 1463 Comment
  UC1119903  Sambucus mexicana F. W. Embree 1934-6-22 120 Plumas 1/2 mi sse Thompson Lake; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  CDA13441  Sanicula graveolens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13288 Plumas Sierra Nevada; On USFS 23N11A. Comment
  RSA0058869  Sanicula graveolens Lowell A. Ahart 2008-7-16 15099 Plumas West of a small meadow (swamp), north of a small deep stream, about 130 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
  SEINET11155993  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover Valley. Comment
  UCD128022  Sanicula graveolens W. R. Powell 1968-7-3 1603 Plumas 0.2 mile north-northwest of Peninsula Campground on reservoir, 3 miles north of La Porte. 1560 Comment
  JEPS25811  Sanicula tuberosa John W. Duffield 1937-5-23 Plumas near Bear Creek Ranger Station (southwestern Plumas County) Comment
  SEINET10454588  Sanicula tuberosa Mary Susan Taylor 1981-5-8 Taylor 3658 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  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
  CAS-BOT-BC494127  Sarcobatus vermiculatus W. Harnach; N. Harnach 2000-8-23 997 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  SD7825  Sarcodes sanguinea Daniel Cleveland july 1882 Plumas Big Meadows Comment
  UC1121105  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/34 miles S S E of Grizzly Peak 1554 Comment
  SEINET10874401  Sarcodes sanguinea Mary Susan Taylor 1982-6-2 Taylor 4588 Plumas T23N R12E se/nw sec 29. Johnsville quad. W side of spur rd off 23N49, 0.5 mi s of its jct to 23N49, just sw of Mt Jackson, 3 mi n Mohawk line. 1524 Comment
  CHSC21305  Saxifraga mertensiana F. T. Griggs; A. Pass 1975-7-8 119 Plumas Buck's Lake. Comment
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  CHSC84997  Sceptridium multifidum Lowell Ahart 2003-10-15 10637 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south 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. 1509 Comment
  CHSC85005  Sceptridium multifidum L. P. Janeway; B. Castro 2003-9-7 7983 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. 2063 Comment
  CAS-BOT-BC278217  Schedonorus arundinaceus John Thomas Howell 1966-7-29 42019 Plumas Quincy 1036 Comment
  CHSC102184  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park. 1851 Comment
  JEPS83782  Scheuchzeria palustris subsp. americana V. Oswald and L. Ahart 1988-8-4 3672 Plumas just s boundary of Lassen Volcanic National Park (se of Drakesbad, s side of lake); Willow Lake 1676 Comment
  CAS-BOT-BC111275  Schoenoplectus acutus var. occidentalis Alice S. Mulford 1944-8-14 s.n. Plumas Lower end of Smith Lake, in water 1874 Comment
  CAS-BOT-BC111825  Schoenoplectus tabernaemontani John Thomas Howell 1959-9-26 35062 Plumas Near Virgilia Comment
  CHSC65854  Scirpus congdonii L. P. Janeway 1995-7-23 4876 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Rd 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  CAS-BOT-BC35582  Scirpus congdonii Gladys L. Smith 1959-6-20 1259 Plumas Butterfly Valley near Quincy Comment
  CAS-BOT-BC30740  Scirpus diffusus John Thomas Howell 1959-9-22 34852 Plumas Drakesbad 1737 Comment
  CHSC56891  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  JEPS93794  Sclerolinon digynum Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1998-6-11 9254 Plumas Rest Area on Highway 36 and Prattville (on s side of Lake Almanor); Lake Almanor 1389 Comment
  CAS-BOT-BC214194  Scutellaria John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54202 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  SD6637  Scutellaria galericulata R. M. Austin Jul 1882 Plumas Prattville Comment
  JEPS62880  Scutellaria siphocampyloides R. H. Platt 1891-1 Plumas Prattville; The Sierras, Prattville Comment
  CAS-BOT-BC240088  Secale cereale John Thomas Howell 1955-7-19 30778 Plumas Beckwourth 1493 Comment
  RSA0002538  Sedum albomarginatum P. C. Hutchinson 1961-6-9 2122 Plumas Canyon of N. Fork of Feather River, Hwy. US Alt. 40. Comment
  JEPS119498  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the east edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. Comment
  CAS-BOT-BC64185  Sedum obtusatum subsp. obtusatum John Thomas Howell 1951-6-27 s.n. Plumas Jamison Creek 1828 Comment
  SD51740  Sedum spathulifolium P. C. Hutchison 1961-6-9 2133 Plumas 4.5 miles west of Quincy, on the road to Bucks Lake. Comment
  UCSB46159  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas Intersection of North Fork Camp Road and Highway 70 Comment
  CDA11291  Senecio eurycephalus var. eurycephalus G. F. Hrusa 1994-5-31 11886 Plumas Sierra Nevada; Junction of Hwy. 70 and Pulga Rd. Comment
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Apr 10 2018
  CAS-BOT-BC363726  Senecio hydrophilus John Thomas Howell 1959-9-24 34951 Plumas Spanish Valley near Quincy 1051 Comment
  RSA0012736  Senecio hydrophilus E. K. Balls 1950-9-6 15685 Plumas Road from Quincy to East Quincy. 1098 Comment
  CAS-BOT-BC363923  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  UC177191  Senecio integerrimus var. exaltatus A. A. Heller and P. B. Kennedy 1907-7-5 8742 Plumas hills above Red Clover Valley Comment
  RSA0124939  Senecio integerrimus var. exaltatus Michael A. Vincent 1999-6-7 8527 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CAS-BOT-BC364173  Senecio serra H. M. Hall; E. B. Babcock 1903-7-1 4459 Plumas Sierra Nevada Mountains. Red Clover Creek 1676 Comment
  CHSC97297  Senecio serra var. serra Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS113709  Senecio serra var. serra Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS94641  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw Pilot Peak (slope on s side of Valley); Onion Valley 1920 Comment
  CAS-BOT-BC364394  Senecio triangularis John Thomas Howell 1960-7-18 35531 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC364398  Senecio triangularis Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1609 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen 1097 Comment
  UCD21050  Senecio triangularis E. Bortiri 2002-7-20 WFC 86 Plumas Red Rock Spring Meadow, Plumas NF, South of Diamond Mountains, Plumas Co. 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
  CAS-BOT-BC364766  Sericocarpus oregonensis subsp. californicus Walter Knight; Irja Knight 1966-9-12 1735 Plumas Butterfly Botanical Area and Vicinity. Rubble Gap 1127 Comment
  CAS-BOT-BC364771  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris; Laura Lorraine 1941-8-8 10418 Plumas 3 miles from Greenville on road to Lake Almanor Comment
  UC583398  Sidalcea asprella subsp. nana Elmer I. Applegate 1934-5-3 8905 Plumas near and n Quincy; near and n of Quincy Comment
  CHSC39379  Sidalcea glaucescens L. Ahart; P. Ahart 1983-8-17 4341 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  JEPS114514  Sidalcea glaucescens Lowell Ahart 2008-8-13 15172 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UC108848  Sidalcea glaucescens D. Cleveland 1882-7-25 Plumas Big Meadows Comment
  JEPS115220  Sidalcea oregana subsp. spicata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16134 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
  RSA59405  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-8 15720 Plumas Lakes Center Public Campground 2043 Comment
  SD211634  Sidalcea oregana subsp. spicata Barbara Ertter 1988-7-25 7843 Plumas Diamond Mountains circa 12 airmiles SSW of Susanville, Snoring Springs 1/2 mile North of Diamond Mt-Greenville-Red Rock junction 1981 Comment
  CAS-BOT-BC386989  Silene douglasii John Thomas Howell; Gordon H. True 1967-7-11 43353 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC386983  Silene douglasii Anna Head 1921-7-20 s.n. Plumas On rocky slopes near Round L. Comment
  SEINET10537586  Silene invisa Mary Susan Taylor 1981-7-17 Taylor 4047 Plumas T21N R12E sw/ne sec 7, Sierra City NW quad; Lakes Basin, Long Lake trail, ca. 150 yds E of sign to Long Lake, ca. 1/4 mi W of trailhead, ca. 6 air mi S of Mohawk; 6400 ft elev. 1950 Comment
  UCD98999  Silene laciniata subsp. californica K. L. Olsen 1949-7-31 21 Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  CAS-BOT-BC389375  Silene lemmonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54152 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CHSC70236  Silene lemmonii B. Castro 1989-8-3 340 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18, in drainage above stream. 1828 Comment
  JEPS51028  Silene lemmonii W. L. Jepson 1939-7-29 19278 Plumas Spring Hill Trail , Spring Hill Trail (Meadow Valley) 1219 Comment
  POM161352  Silene lemmonii Rimo C. Bacigalupi 1927-7-7 1637 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley. Comment
  CAS-BOT-BC389393  Silene lemmonii D. E. Breedlove 1962-6-12 3449 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CAS-BOT-BC389399  Silene lemmonii W. W. Wagner 1919-6-7 274 Plumas Sockem [Sockum] Cr., Vicinity of Quincy 1371 Comment
  POM147077  Silene lemmonii Alice Eastwood 1927-06 14455 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CHSC84503  Silene nuda John Dittes 2003-8-8 2003 -81 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  CHSC110762  Silene occidentalis subsp. occidentalis Dean Wm. Taylor; Tom Engstrom 2011-8-2 21138 Plumas The Sierra Nevada. Ridge 1 mile East of Fowler Peak, along the Pacific Crest Trail 0.3 trail miles E of the junction with Forest Road 22N27. 1722 Comment
  UC120196  Silene occidentalis subsp. occidentalis unknown 1892-7-4 Plumas Prattville Comment
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Jan 22 2010
  CAS-BOT-BC75114  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1937 Plumas Butterfly Botanical Area and Vicinity. Halfway between valley and Darlintonia bog. 1066 Comment
  SEINET10448360  Sisymbrium altissimum Mary Susan Taylor 1980-10-8 Taylor 3362 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  RSA699782  Sisyrinchium bellum Lowell A. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 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
  NY185689  Smelowskia ovalis var. congesta J. G. Lemmon 1872-1 s.n. Plumas Sassen's (?illegible) Peak Comment
  RSA0039306  Smilacina stellata Lowell Ahart 2008-8-14 15202 Plumas 200 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
  CHSC43367  Solanum parishii Lowell Ahart 1975-7-16 886 Plumas West of the South Fork of the Feather River, about 1 mile north of Little Grass Valley Reservoir. 1828 Comment
  CAS-BOT-BC156840  Solanum umbelliferum J. T. Howell 1951-6-28 27644 Plumas Johnsville 1585 Comment
  JEPS102317  Solanum umbelliferum Lowell Ahart 2001-6-4 8752 Plumas 4 1/2 air miles N of La Porte (W side of the dirt road, W of South Fork of the Feather River, about 1/4 mi N of Little Grass Valley Reservoir) 1584 Comment
  CAS-BOT-BC365520  Solidago elongata M. S. Taylor 1981-8-20 4232 Plumas S side of Fox Rd (27N92) at jct with creek, ca. 2 mi se of Canyon Dam 1524 Comment
  CHSC95175  Solidago elongata R. D. Fischer; Jenny Marr 2004-8-7 820 Plumas Sierra Nevada foothills between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  OBI15462  Solidago elongata Lewis S. Rose 1966-7-28 66072 Plumas Quincy 1067 Comment
  CAS-BOT-BC365118  Solidago velutina subsp. californica John Thomas Howell 1961-9-22 36816 Plumas Greenville 1088 Comment
  CHSC52728  Solidago velutina subsp. californica L. P. Janeway 1990-8-15 3828 Plumas Plumas National Forest. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzy Cr. 1844 Comment
  SDSU526  Solidago velutina subsp. californica D. F. Howe 1960-9-20 2984 Plumas North fork of Feather River, 41 miles from Oroville. 610 Comment
  CAS-BOT-BC374665  Sonchus oleraceus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1466 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Canyon 990 Comment
  CAS-BOT-BC157315  Sorbus californica Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CHSC100447  Sorbus californica Lowell Ahart 2008-9-10 15376 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  JEPS107974  Sorbus californica Lowell Ahart, John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  JEPS124138  Sorbus scopulina Lowell Ahart, John Deurloo 2015-8-25 20525 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  SEINET10528389  Sparganium emersum Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4973 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  CHSC44266  Sparganium emersum subsp. emersum Vernon Oswald 1988-7-19 3595 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In the east end of the lake. 1676 Comment
  CHSC92203  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  SEINET3825673  Sparganium eurycarpum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1461 Plumas Marshy pond on southeastern side of Portola Comment
  HSC94186  Spergularia rubra G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-23 3160 Plumas East Quincy; vacant lot E. of Lariat Lodge. 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
  CAS-BOT-BC374762  Sphaeromeria potentilloides var. potentilloides Peter H. Raven 1963-5-28 18421 Plumas Flats 1.1 miles east of Beckwourth Comment
  CHSC54460  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1991-7-30 4781 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC149636  Spiraea douglasii Peter Rubtzoff 1978-8-4 9243 Plumas West side of Hwy 89 0.2 mile north of Spanish Creek crossing (ca. 0.75 mile north of Quincy) Comment
  CHSC6572  Spiraea douglasii R. Carter 1966-7-10 479 Plumas Found 1 mi. N Bucks summit of W side Oroville-Quincy Rd. on slope above road, ca. 12 mi. W of Quincy. 1615 Comment
  CHSC91748  Spiraea douglasii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16283 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: edge of bog. 1158 Comment
  CAS-BOT-BC152540  Spiraea splendens Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC534890  Spirodela polyrhiza Herbert L. Mason 1953-7-8 14561 Plumas Four miles northwest of Loyalton Comment
  JEPS104203  Stachys ajugoides var. rigida Lowell Ahart 2003-9-7 10557 Plumas Seep and spring on the n side of the road, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 3 1/2 mi (air) nw of Tamarack Flat, ca 6 mi (air) nw of Little Grass Valley Reservoir Dam. 1524 Comment
  UC367245  Stachys albens J. G. Lemmon and wife Aug 1883 Plumas Indian Valley Northern California Comment
  SJSU13918  Stachys pilosa N. A. Hopkins 1985-8-27 1314 Plumas SE side of Grass L 1786 Comment
  CHSC74083  Stellaria obtusa H. Durio 1998-10-7 Plumas Near SE corner of Lower Bucks Lake, at mouth of Pat Maloy Ravine Creek. 1560 Comment