Search Results — 2000 specimen records retrieved (1425 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
  SEINET10530580  Abies magnifica Mary Susan Taylor 1981-9-10 Taylor 4273 Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  UC1402306  Abies magnifica R. A. Cockrell 1937-8-5 8328 Plumas Meadow Valley 1981 Comment
  CHSC84949  Abies magnifica var. magnifica Lowell Ahart 2003-10-15 10633 Plumas About 60 yards south of the road to Tamarack Flat, on the south side of a very small branch of Fall River, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  JEPS42747  Acer glabrum R. H. Platt 1891-1 Plumas Prattville region , Prattville region (the Sierras) Comment
  CAS-BOT-BC330951  Acer glabrum var. glabrum George W. Gillett 1957-7-19 858 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes, aobut 1.25 miles above the Devils Kitchen. 2057 Comment
  CAS-BOT-BC330977  Acer glabrum var. glabrum Anna Head 1920-7-25 s.n. Plumas Feather River Region, Lake Center Camp Comment
  UC565957  Acer glabrum var. glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Bidwell Bar Quad., nw of Lexington Hill 1767 Comment
  JEPS28656  Acer glabrum var. torreyi George W. Gillett 1957-7-19 858 Plumas about 1 1/4 mi above Devil's Kitchen (trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  CAS-BOT-BC333232  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  SD7293  Acer macrophyllum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10971291  Achillea Mary Susan Taylor 1981-7-13 Taylor 4007 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  CDA290  Achillea millefolium L. Ahart, J. Dittes 2005-9-2 12436 Plumas North of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
Read comments
Oct 5 2019
  UCD128363  Achillea millefolium M. Vincent 1968-6-10 866 Plumas Carabou Road, 1 mile from Feather River, Hwy 70. Comment
  CAS-BOT-BC260434  Achnatherum hymenoides John Thomas Howell; Gordon H. True 1973-7-31 50071 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC210689  Achnatherum lemmonii John Thomas Howell 1962-6-17 37710 Plumas Portola 1463 Comment
  CAS-BOT-BC210692  Achnatherum lemmonii John Thomas Howell 1961-6-21 36655 Plumas Greenville 1097 Comment
  CAS-BOT-BC210701  Achnatherum lemmonii John Thomas Howell 1973-7-10 49752 Plumas Near Greenville 1097 Comment
  CDA13760  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. Dry, +- open conifer forest with sandy soil on ridgetop. Dom. by Pinus jeffreyi, Abies concolor. Perennial, bunching. Comment
  UC1133120  Achnatherum lemmonii E. Sawyer 1935-6-1 53 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  UC1137070  Achnatherum lemmonii August L. Hormay 1932-6-11 Plumas Long Canyon Plumas National Forest, Long Canyon Comment
  RSA726374  Achnatherum nelsonii subsp. dorei L. Ahart, Josephine Guardino 2007-7-20 14341 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  SEINET5585753  Achnatherum occidentale A. A. Beetle 1941-1 2898 Plumas West side of Lake Almanor 1829 Comment
  CAS-BOT-BC210842  Achnatherum occidentale subsp. californicum L. P. Janeway 1990-8-2 3821 Plumas Plumas National Forest, Beckwourth Ranger District. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge 2057 Comment
  JEPS115947  Achnatherum occidentale subsp. californicum Lowell Ahart, John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  UC790988  Achnatherum occidentale subsp. occidentale A. A. Beetle 1941-6-28 2898 Plumas in meadow in forest, w side of Lake Almanor Lake Almanor 1828 Comment
  CAS-BOT-BC210930  Achnatherum occidentale subsp. pubescens John Thomas Howell 1961-9-23 36894 Plumas Englemine 1097 Comment
  CHSC100424  Acmispon americanus var. americanus 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
  SEINET10535953  Aconitum columbianum Mary Susan Taylor 1981-7-17 Taylor 4025 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  RSA52858  Aconitum columbianum var. columbianum R. Weatherby 1950-7-7 1445 Plumas Quincy. 1220 Comment
  CAS-BOT-BC412891  Aconogonon davisiae Anna Head 1920-7-1 s.n. Plumas Summit of peak above Round Lake, Feather River Region 2286 Comment
  UCD98782  Aconogonon davisiae M. S. Taylor; H. Swanson 1982-8-11 4965 Plumas Between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsonville. 2133 Comment
  CHSC6571  Aconogonon phytolaccifolium R. Carter 1966-7-10 480 Plumas Found Bucks Lake along E side Oroville-Quincy Rd. on S side of lake, 200 yds. S of lodge, growing along moist road bank. 1524 Comment
  CAS-BOT-BC391664  Actaea rubra L. P. Janeway 1991-8-3 4113 Plumas Plumas National Forest, Beckwourth Ranger District. Northeasterly drainage into Freeman Creek, below Five Points and 2 mi west of Smith Peak 1981 Comment
  UC1481821  Adiantum aleuticum Mrs. Carlotta C. Hall 1912-1 9358 Plumas W of Johnsville (along Jameson Creek) Comment
  SD6640  Agastache urticifolia Daniel Cleveland 26 Jul 188- Plumas Big Meadows, Hamilton Bridge Comment
  SEINET7924849  Agastache urticifolia A. A. Heller 1907-7-9 8771 Plumas Prattville. Comment
  CDA13998  Ageratina occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-2 13423 Plumas Sierra Nevada; Argentine Rock ~ 1/2 mile W of Pine Creek Valley. Comment
  JEPS18707  Ageratina occidentalis W. L. Jepson 1918-8-16 8015 Plumas Taylorsville 1097 Comment
  JEPS28654  Ageratina occidentalis George W. Gillett 1957-7-19 855 Plumas about 1.25 mi above the Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanie National Park 2057 Comment
  UCD128568  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas near Notson bridge, north side of Beckwourth-Gensee Road, ca. 7 air miles east of Gensee. Comment
  CHSC41000  Agoseris grandiflora J. D. Jokerst 1984-7-11 2104 A Plumas Edge of forest service logging road that is indicated as a trail on USGS maps. West of the South Branch Ward Creek, ca 1/3 mile NW of large falls. 1584 Comment
  CAS-BOT-BC22912  Agoseris heterophylla Lewis S. Rose 1967-6-12 67108 Plumas Butterfly Valley, ca. 3 mi. w. of Keddie 1036 Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CAS-BOT-BC22915  Agoseris heterophylla M. S. Taylor 1982-7-12 4642 Plumas Mt Harkness SE quad. Jct of Hwys 36 and 89, ca. 3 mi w of Chester. 1493 Comment
  CAS-BOT-BC13314  Agoseris parviflora Alice Eastwood 1918-5-25 6983 Plumas Portola Comment
  SEINET10789690  Agropyron intermedium Mary Susan Taylor 1982-1 Taylor 5133 Plumas Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. Sagebrush edge of meadow. 1487 Comment
  CDA23052  Agrostis G. D. Barbe 1981-6-23 3087 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC127495  Agrostis capillaris John Thomas Howell 1975-6-15 51129 Plumas Sierra Nevada. Waste Ground, Quincy. 1036 Comment
  JEPS122184  Agrostis exarata Lowell Ahart 2014-8-26 19795 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC139616  Agrostis gigantea Hans Leschke 1960-9-7 1789 Plumas Lassen Volcanic National Park. Park boundary north of Willow Lake. Comment
  CHSC102055  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
  CAS-BOT-BC139409  Agrostis hyemalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC138716  Agrostis scabra Lowell Ahart 1980-10-6 2667 Plumas Sierra Nevada. Lake, 0.5 mile west of Fowler Peak. 1700 Comment
  JEPS114942  Agrostis scabra Lowell Ahart 2008-9-10 15368 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  UCD53456  Agrostis stolonifera John Thomas Howell 1960-7-18 35521 Plumas Drakesbad. 1676 Comment
  CDA12141  Agrostis variabilis G. F. Hrusa, J. Dinsdale 1989-6-25 7189 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CAS-BOT-BC138373  Aira caryophyllea var. caryophyllea John Thomas Howell 1967-6-23 42665 Plumas Sierra Nevada. Canyon of Butterfly Creek. 1036 Comment
  CAS-BOT-BC445450  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  CAS-BOT-BC131955  Allium W. Harnach; N. Harnach 1990-5-12 294 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  SBBG830  Allium anceps H. and M. Dearing 1938-7-1 2255 Plumas near Lake Almanor Comment
  CHSC20736  Allium campanulatum K. R. Stern 1975-7-24 5904 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC41141  Allium campanulatum J. D. Jokerst 1984-6-13 2049 Plumas Ca 2 air miles east of Peacock Point, south of Grizzley Creek along the edge of USFS road 26N08. 1432 Comment
  CHSC53224  Allium campanulatum L. P. Janeway 1989-4-23 3395 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) just SE of Crocker Mdw. 1783 Comment
  CHSC80302  Allium campanulatum L. P. Janeway 1996-6-12 5010 Plumas Northern High Sierra Nevada. 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CAS-BOT-BC466467  Allium campanulatum Clarence R. Quick 1950-6-18 50 -12 Plumas Open Jeffrey pine-lodgepole pine flat, 1 mile west of Almanor Inn on south shore of Lake Almanor Comment
  CAS-BOT-BC466612  Allium campanulatum John Thomas Howell 1961-6-21 36663 Plumas Greenville 1097 Comment
  CDA33242  Allium campanulatum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3129 Plumas 3.25 miles west of Round Valley Reservoir Dam , 0.25 mile east of road to Canyon Dam. Comment
  CHSC95089  Allium lemmonii L. P. Janeway; B. Castro 2006-6-3 8661 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  RSA641449  Allium lemmonii Michael A. Vincent 1999-6-7 8532 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  CAS-BOT-BC474280  Allium obtusum var. obtusum Anna Head 1921-7-27 s.n. Plumas Near Blairsden, Feather River Region Comment
  CAS-BOT-BC474060  Allium parvum John Thomas Howell; R. C. Barneby 1954-5-14 29557 Plumas 2 miles east of Blairsden, Sierra Nevada 1493 Comment
  SEINET8122913  Allium parvum C. G. Gulling May and June s.n. Plumas Sierra Valley Comment
  SBBG100022  Allium platycaule B. Ertter, G. Schoolcraft 1989-7-3 8654 Plumas N side of Red Rock, ca. 8 air mi S of Susanville 2286 Comment
  CAS-BOT-BC474095  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  RSA164372  Allium platycaule Clare B. Hardham 1961-6-16 7467 Plumas Diamond Peak. 2287 Comment
  CHSC89303  Allophyllum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16336 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  SJSU12052  Allophyllum gilioides subsp. violaceum N. A. Hopkins 1973-6-19 545 Plumas 5 mi SE of Beckwourth 1402 Comment
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  RSA718437  Allophyllum integrifolium L. Ahart 2006-7-9 12921 Plumas 100 yards north of the paved basalt road, about 4 (air) miles northwest of Tamarack Flat, about 6 (air) miles northwest of Little Grass Valley Reservoir. 1651 Comment
  CAS-BOT-BC171347  Alnus incana subsp. tenuifolia W. R. Dudley 1894-8-30 s.n. Plumas Webber Lake Meadow Comment
  CAS-BOT-BC171350  Alnus incana subsp. tenuifolia John Thomas Howell 1959-9-22 34833 Plumas Wolf Creek 1371 Comment
  SEINET201481  Alnus incana subsp. tenuifolia W. B. McHenry 1961-8-20 Plumas Bucks Lake Comment
  UCD109976  Alnus incana subsp. tenuifolia W. B. McHenry 1961-8-20 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC170693  Alnus rhombifolia Walter Knight; Irja Knight 1966-9-12 1746 Plumas Fern Glen. Butterfly Botanical Area and Vicinity 1097 Comment
  SACT002788  Alnus tenuifolia Josephine Van Ess 1975-6-3 Plumas Collected at camp just south of Cromberg of Highway 70 Comment
  SEINET10510912  Alopecurus aequalis Lawrence P. Janeway 1989-7-25 Janeway 3526 Plumas Crocker Mtn. quad T24N, R14E, NW 1/4 of sec. 33. Crocker Meadow; ner Beckwourth-Genessee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CAS-BOT-BC138002  Alopecurus geniculatus M. S. Taylor 1982-8-27 5062 Plumas Ramelli Ranch, where Feather River crosses RailRoad tracks, ca. 1.5 mile southwest of Beckwourth. 1487 Comment
  CHSC24247  Alopecurus geniculatus K. R. Stern 1975-7-23 Plumas W. Side of Lake Almanor. Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  UCD55898  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD55909  Alopecurus geniculatus John Thomas Howell; Gordon H. True 1967-7-9 43264 Plumas Sierra Nevada, meadow at Quincy . 1036 Comment
  CHSC103138  Amaranthus californicus Lowell Ahart; John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  UCD97527  Amaranthus powellii E. K. Balls 1950-9-6 15686 Plumas Road from Quincy to East Quincy. 1097 Comment
  RSA0119060  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side of the paved road, about 1/2 mile west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1585 Comment
  CAS-BOT-BC136776  Amelanchier utahensis Thomas H. Kearney 1944-8-14 62 Plumas Near Prattville, Lake Almanor Comment
  JEPS123951  Amelanchier utahensis Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20418 Plumas On the west side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC213969  Amsinckia John Thomas Howell; H. Keith Wagnon 1980-5-27 53680 Plumas Quincy, Sierra Nevada 1051 Comment
  SEINET12479935  Amsinckia lycopsoides W. Harnach, N. Harnach 1990-5-12 305 Plumas Sierra Valley, Feather River Ranch. 1524 Comment
  JEPS24907  Amsinckia menziesii var. menziesii Heller and Kennedy 1907-7-15 8850 Plumas Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  JEPS16089  Angelica breweri W. L. Jepson 1924-7-22 10610 Plumas Middle Fork Feather River, Rich Point Middle Fork Feather River; , Rich Point 914 Comment
  CAS-BOT-BC59318  Antennaria argentea John Thomas Howell 1975-6-16 51140 Plumas 2 miles northwest of Spring Garden 1173 Comment
  JEPS105970  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
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  UCSB15961  Antennaria argentea 1962-6-12 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC59309  Antennaria argentea Alice Eastwood 1927-6-17 14637 Plumas United States Forest Reserve. Trail to Long Valley Comment
  SJSU6949  Antennaria argentea C. W. Sharsmith 1975-6-17 8224 Plumas near Gray Eagle Creek 1371 Comment
  CHSC34936  Antennaria dimorpha M. S. Taylor 1981-5-8 3656 Plumas At jcts of rd 26N18, 26N92 and 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 1615 Comment
  UC1125570  Antennaria luzuloides E. Sawyer 1935-6-27 210 Plumas mouth of Dixie Valley; Sierraville Quad., Dixie Valley 1554 Comment
  UC176433  Antennaria luzuloides A. A. Heller and P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CAS-BOT-BC79928  Antennaria microphylla Rimo Bacigalupi 1927-7-7 1633 Plumas Halfway between Camp Elwell and Long Lake. Gold Lake Region. Comment
  POM181082  Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CHSC81598  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
  CHSC35274  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1981-7-26 4113 Plumas N side of Caribou Rd, 3.7 mi ne of its jct with Hwy 70 near Belden. 853 Comment
  CHSC83615  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 2001-6-28 7243 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  CDA18578  Apocynum androsaemifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3300 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CHSC21304  Apocynum androsaemifolium F. T. Griggs; A. Pass 1975-7-8 126 Plumas Bucks Lake. Comment
  CHSC57168  Apocynum androsaemifolium L. P. Janeway 1984-7-22 932 Plumas Vicinity of Soapstone Hill; near junction of Oro-Quincy Hwy and the road to Duffy Dome. 1639 Comment
  SEINET5743413 Image available Apocynum androsaemifolium Lowell Ahart, Peter Ahart 1985-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Claghorn Bar, about 7 miles NW of Pilot Park.; Pilot Park 1829 Comment
  UCR3608  Apocynum androsaemifolium subsp. pumilum Wm. Horn Jr. 1963-7-11 630711- 01 Plumas Northern Sierra Nevada Mtns., Meadow Valley logging landing, 4 mi. south of Quincy-Bucks Lake Rd on FS Road 24N29 [Deanes Valley Rd.] 1284 Comment
  SEINET9306227  Apocynum androsaemifolium subsp. pumilum Unknown 1981-7-27 4126 Plumas T25N R12E SE 1/4 & c 10/ Babcock Peak. In granite gravel embankment, N side of Beckworth Genesse Rd, ca. 7 air mi E of Genesse. 5400 ft. Comment
  SEINET10454892  Apocynum pumilum Mary Susan Taylor 1974-7-3 Taylor 294 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CHSC21306  Aquilegia formosa var. truncata F. T. Griggs; A. Pass 1975-7-8 114 Plumas Buck's Lake Forest Service Survey Comment
  SEINET10841514  Arabis constancei Mary Susan Taylor 1981-6-22 Taylor 3940 Plumas T24N R9E n half ne sec 31. Bucks Lake quad. N side 24N20 - Rock Creek Rd, in large open serpentine slope, ca. 1 mi N of Deane's Valley, just W of jct East Branch Rock Creek, 2.5 air mi SE of Meadow Valley. 4300 ft. elev. 1310 Comment
  SEINET10907252  Arabis constancei Mary Susan Taylor 1982-6-1 Taylor 4582 Plumas T26N R9E sw/nw sec 8. Almanor NE quad. N side of 204, ca. 1 air mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  HSC95488  Arabis sparsiflora James D. Jokerst 1987-5-28 2886 Plumas Ward Creek Canyon, on steep rocky edge SW of creek 1463 Comment
  UC1122879  Aralia californica E. Nourse 1934-9-5 34 Plumas 1 mi. s. & 1/3 mi. w. of Nelson Point; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC407701  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas at Drakesbad 1737 Comment
  CAS-BOT-BC407770  Arceuthobium californicum Lowell Ahart 1987-9-29 5908 Plumas along Hartman Bar Ridge Road, about 3.5 miles NW of Tamarack Flat and about 5.5 miles NW of Little Grass Valley Reservoir 1706 Comment
  RSA101407  Arceuthobium californicum R. Weatherby 1955-8-2 1667 Plumas Jeep trail from Spanish Ranch to Bean Hill Diggings, Meadow Valley. 1159 Comment
  UCD101944  Arceuthobium campylopodum John Thomas Howell 1960-7-20 35784 Plumas Between Boiling Springs Lake and Terminal Geyser. 1859 Comment
  CHSC115842  Arceuthobium campylopodum subsp. abietinum Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  RSA59587  Arctostaphylos manzanita subsp. manzanita E. K. Balls 1950-9-4 15669 Plumas 2 mi. from Feather River Esxperiment Stn.[Station], Quincy, on road from Stn. to Snake Lake. 1098 Comment
  CAS-BOT-BC38622  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1985-7-23 2540 Plumas Arid slopes adjacent to old abandoned county road ca 400 feet above (elevation) Highway 70 807 Comment
  CAS-BOT-BC38623  Arctostaphylos mewukka subsp. truei M. S. Taylor 1982-6-20 4712 Plumas Along Hwy 70 just w of Injun Jim Campground entrance, ca. 4 air mi sw of Belden Comment
  CAS-BOT-BC38625  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  CAS-BOT-BC40008  Arctostaphylos nevadensis John Thomas Howell; Gordon H. True 1967-7-11 43345 Plumas Summit ridge of Mt. Hough 2194 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
  SD71019  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 Plumas Road to Chester, 3 mi. S of Lassen Park boundary 1830 Comment
  UC1075706  Arctostaphylos nevadensis Robert J. Weatherby 1955-6-22 1538 Plumas Spanish Peak 2133 Comment
  UC549519  Arctostaphylos nevadensis J. E. Adams 1934-5-13 817 Plumas Silver Lake 1828 Comment
  UCD52672  Arctostaphylos nevadensis James I. Mallory 1967-8-15 278 Plumas Plumas National Forest. 1798 Comment
  CAS-BOT-BC42092  Arctostaphylos patula John Thomas Howell 1975-6-16 51132 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC42093  Arctostaphylos patula John Thomas Howell; Gordon H. True 1967-5-8 42191 Plumas Near the spring in the Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC42112  Arctostaphylos patula C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  CAS-BOT-BC42113  Arctostaphylos patula Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42354 Plumas Plumas National Forest: Along Hwy. 70 two miles N of Quincy in Pinus ponderosa forest 1097 Comment
  CAS-BOT-BC42115  Arctostaphylos patula Mrs. S. Earle Kelley 1920-7-1 s.n. Plumas Greenville 1097 Comment
  UC1488855  Arctostaphylos patula Katherine K. Muller 1965-8-19 1354 Plumas near Chester Comment
  UC566971  Arctostaphylos patula C. G. Albertus 1935-7-22 222 Plumas 3 3/4 mi sw Lovejoys; Downieville Quadrangle 1767 Comment
  UC917236  Arctostaphylos patula J. M. Tucker 1948-7-24 1730 Plumas ca 1/2 mi ne Camel Peak Comment
  SEINET11994917  Arctostaphylos patula subsp. platyphylla Unknown 1987-1 s.n. Plumas logging road near Bucks Lake 1615 Comment
  UCD51941  Arctostaphylos truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  UCD52193  Arctostaphylos viscida John Thomas Howell; Gordon H. True 1967-7-11 43286 Plumas 2 miles from Quincy Junction on road to Mt. Hough, Plumas County. 1219 Comment
  CAS-BOT-BC47031  Arctostaphylos viscida subsp. viscida G. M. Wikoff 1915-4-19 s.n. Plumas Statton grounds. Comment
  SEINET10537629  Arenaria congesta Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3898 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  CAS-BOT-BC401821  Argemone munita subsp. rotundata L. S. Smith 1927-6-6 2041 Plumas Near Constantia Comment
  CAS-BOT-BC82084  Arnica W. Harnach; N. Harnach 1990-6-27 421 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  CHSC37030  Arnica chamissonis M. S. Taylor 1982-9-7 5093 Plumas Ramelli Ranch, S side of Feather River, ca. 2 mi W of Beckwourth. 1487 Comment
  CAS-BOT-BC82227  Arnica chamissonis L. P. Janeway 1992-6-4 4217 Plumas along Bonta Creek in wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River 1318 Comment
  RSA312503  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, S. Galen Smith 1949-8-18 1396 Plumas Last Chance Creek, about 2 miles north of lake Almanor, near Chester Comment
  CHSC60520  Arnica cordifolia L. P. Janeway 1992-5-12 4167 Plumas Plumas National Forest. North side of Lake Davis and Rd 112, ca 6 1/2 mi northwest of the road to the dam. 1780 Comment
  CAS-BOT-BC295854  Arnica dealbata W. W. Wagner 1919-6-29 299 Plumas Grizzly Ridge 2133 Comment
  CAS-BOT-BC82498  Arnica discoidea John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2154 Plumas Beargrass Glade 1127 Comment
  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
  OBI55497  Arnica discoidea David J. Keil, Kathleen Keil 1992-7-25 23603 Plumas Lassen Natl forest along hwy 89/36, 5.4 mi E of hwy 32, SW of Chester Comment
  LA202935  Arnica fulgens Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  CHSC87993  Arnica mollis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11166 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  SEINET10475341  Arnica parryi subsp. sonnei Mary Susan Taylor 1981-7-22 Taylor 4105 Plumas T24N R11E nw/se sec 5, Spring Garden quad. In Red Fir Forest; on W side of Pine Creek Valley, ca. 1.5 mi N of Argentine Lookout, ca. 6 air mi N of Spring Garden. 7200 ft elev. 2194 Comment
  CHSC67617  Arrhenatherum elatius James D. Jokerst 1985-6-10 2406 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  SJSU11270  Arrhenatherum elatius S. H. Casey 1980-6-18 1162 Plumas Chandler Rd 3 mi N of Quincy Comment
  CHSC59075  Artemisia arbuscula subsp. arbuscula V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5176 Plumas Lassen Volcanic National Park. S side of Hot Springs Creek, ca. 1 mi downstream from the level of Warner Valley Ranger Station, S of Drakesbad. 1645 Comment
  UC579412  Artemisia arbuscula subsp. arbuscula C. G. Albertus 1935-8-22 273 Plumas 2 1/2 mi s Bagley Pass; Plumas National Forest, Downieville Quadrangle 1767 Comment
  CHSC118725  Artemisia arbuscula subsp. thermopola Noah Siegel 2015-7-17 2016021 Plumas Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake, Plumas National Forest. UTM 693311 E, 4448700 N, NAD83, Zone 10N. 2190 Comment
  JEPS102859  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 A Plumas Old road that crossed Indian Creek, ca 50 yards east of the RR tracks, where railroad has a bumper to start the signal lights on Arlington Road, ca 400 yards S of Arlington Rd, 50 yards east of Highway 89, ca 1 1/2 miles S of Crescent Mills. 1066 Comment
  UC952870  Artemisia douglasiana E. K. Balls 1950-9-8 15275 Plumas Lakes Center Public Campground southern Plumas County 2042 Comment
  CAS-BOT-BC499177  Artemisia douglasiana A. A. Heller; P. B. Kennedy 1907-7-17 8876 Plumas Red Clover valley Comment
  RSA59460  Artemisia tridentata subsp. tridentata E. K. Balls 1950-9-2 15650 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  SFV11161  Asarum hartwegii M. L. Vincent 1964-4-8 523 Plumas Sierra Nevada 0.5 miles northeast of Storrie. 550 Comment
  HSC3275  Asarum lemmonii L. S. Rose 1968-6-11 68109 Plumas Butterfly Valley, 4 mi. S of Keddie 1037 Comment
  SJSU5652  Asarum lemmonii Lewis S. Rose 1968-6-11 68109 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  CAS-BOT-BC400766  Asarum lemmonii David D. Keck 1932-7-3 1642 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  UCD137863  Asarum lemmonii Angela R. Drumm 1980-5-18 2 Plumas Butterflu Valley, 1 mile south of Keddie on dirt road branching to east off State Highway 40. 1036 Comment
  CHSC54314  Asclepias cordifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4682 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  UCSB15830  Asclepias fascicularis 1962-6-12 Plumas Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  JEPS95308  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  JEPS60032  Aspidotis densa W. L. Jepson 1939-7-31 19294 Plumas between Meadow Valley and Buck's Valley (Spanish Peak) 1524 Comment
  JEPS60033  Aspidotis densa W. I. Follett 1937-8-20 Plumas Rich Gulch 1280 Comment
  CAS-BOT-BC97465  Aster Clare B. Hardham 1978-8-11 21814 Plumas About 5 mi. ne. of Antelope Reservoir on road to Janesville Comment
  CAS-BOT-BC97474  Aster David D. Keck 1938-8-9 4903 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  CAS-BOT-BC97459  Aster Clare B. Hardham 1985-7-31 30128 B Plumas Doyle's Crossing Comment
  CAS-BOT-BC97462  Aster W. Harnach; N. Harnach 1990-6-13 370 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC97463  Aster W. Harnach; N. Harnach 1990-6-13 368 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC97470  Aster M. S. Taylor 1981-8-19 4223 Plumas Blue Nose Mt. quad. Along creek, 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat 1341 Comment
  RSA59687  Aster alpigenus E. K. Balls 1950-9-9 15754 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CHSC85000  Aster alpigenus var. andersonii L. P. Janeway; B. Castro 2003-9-7 7982 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
  SEINET10872011  Aster breweri Mary Susan Taylor 1981-7-22 Taylor 4099 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
  UCR58341  Aster campestris R. D. Goeden, Don W. Ricker 1989-8-22 890822- 3 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, east side of Frenchman Lake 1725 Comment
  CDA30195  Aster eatonii L. Ahart, J. Dittes 2009-8-28 16353 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam Comment
  RSA754866  Aster eatonii L. Ahart, John Dittes 2009-8-28 16353 Plumas N side of Forest Service Road 27N98, headwater of Clear Creek, about 2 air miles N of Butt Valley Reservoir Dam, about 3 air miles SW of Lake Almanor Reservoir Dam. 1477 Comment
  RSA59248  Aster eatonii E. K. Balls 1950-8-31 15537 Plumas Hwy. 24, 0.5 mile north of Spanish Creek, just north of Quincy. 1098 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
  UCR45291  Aster occidentalis R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  RSA60797  Aster radulinus I. L. Wiggins 1948-9-15 12053 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  CAS-BOT-BC478071  Asteraceae Charles Piper Smith 1921-7-19 3449 Plumas Taylorsville, Mt. Hough trail Comment
  CHSC55490  Astragalus bolanderi L. P. Janeway 1984-7-15 922 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  SD46410  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanish Peak. 2100 Comment
  UCD104873  Astragalus lemmonii Collector unknown 1954-10-20 s.n. Plumas Border of Sierra County line. Comment
  JEPS109858  Astragalus lentiformis Dean W. Taylor 2006-5-27 19533 Plumas Frenchman Lake; hillslopes north of Frenchman Creek 1 mile west of junction of Frenchman Lake Road and Forest Road 01, Plumas National Forest 1706 Comment
  CAS-BOT-BC187165  Astragalus lentiginosus var. floribundus L. P. Janeway 1992-5-14 4184 Plumas Northeast side of Dotta Canyon 1.2 mi northwest of Dotta Neck along road (24N23) on northeast side of the canyon 1706 Comment
  SJSU4151  Astragalus purshii C. W. Sharsmith & W. Savage 1967-5-20 7521 Plumas near S base of The Buttes (not Sierra Buttes), c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC200861  Astragalus webberi R. C. Barneby; J. T. Howell 1954-5-14 11478 Plumas 1 1/2 miles s. of Crescent Mills 1082 Comment
  UC1601986  Astragalus webberi Lemmon 1875-1 Plumas Indian Valley ne part Sierra Nevada, Indian Valley (northeastern part of the Sierra Nevada) Comment
  UC725635  Astragalus webberi A. A. Heller 1942-6-5 16504 Plumas along State Highway #89 n of the junction with #24 near the Feather River; near the Feather River Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  SD9783  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  CAS-BOT-BC17608  Athysanus pusillus John Thomas Howell 1951-6-28 27670 Plumas Sierra Nevada. Jamison Creek. 1584 Comment
  SEINET3996633  Atriplex truncata W. Harnach, N. Harnach 2000-8-23 1000 Plumas Sierra Valley, 1 mile west of the Steel Bridge on Marble Lane 1486 Comment
  SD9157  Balsamorhiza deltoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC57255  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1991-5-29 3972 Plumas Plumas National Forest. Red Clover Valley; along Beckwourth-Genesee Road (road 111) 1.0 mi northwest of the old Clover Valley Ranch buildings. 1664 Comment
  CDA14008  Barbarea vulgaris G. F. Hrusa, T. D. Wilfred 1997-6-26 13925 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CAS-BOT-BC494126  Bassia hyssopifolia W. Harnach; N. Harnach 2000-8-23 999 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  CAS-BOT-BC145814  Beckmannia syzigachne John Thomas Howell 1961-9-25 36938 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  SEINET10514174  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E S1/2 NE1/4 Sec 28. POrtola quad. In moist area, Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth. With Hippuris vulgaris, Sium suave, Lemna. 1487 Comment
  CAS-BOT-BC102172  Bidens cernua John Thomas Howell 1959-9-21 s.n. Plumas Crescent Mills Comment
  CHSC113935  Bidens cernua Lowell Ahart 2014-8-20 19711 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1-1/4 miles east of Chester. 1386 Comment
  CAS-BOT-BC413052  Bistorta bistortoides Arthur C. Barrett 1915-6-21 222 Plumas Plumas National Forest. Lone Rock Valley 1645 Comment
  UCD20960  Bistorta bistortoides E. Bortiri 2002-6-20 WFC 8 Plumas McRae Meadow, 5 miles West of Plumas Eureka State Park. Comment
  RSA0125973  Boechera Milo S. Baker 1952-5-27 12475 Plumas Feather River Canyon at Camp Storrie. 473 Comment
  UCD114120  Boechera Robert E. Preston 1982-4-29 271 Plumas Hwy 70, n side of Chips Cr. 656 Comment
  CHSC54316  Boechera breweri subsp. breweri Vernon H. Oswald; Lowell Ahart 1991-6-18 4677 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CAS-BOT-BC16130  Boechera constancei M. S. Taylor 1981-6-22 3944 Plumas East side of 25N17, ca. 0.125 mile south of Bean Creek, ca. 0.25 mile north of jct. 25N17 with 25N81 (Old Mt House Rd.). 1524 Comment
  CAS-BOT-BC16134  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas South side of 27N92, ca. 1.5 air mile southeast of Canyon Dam. 1524 Comment
  CAS-BOT-BC27228  Boechera constancei Lincoln Constance 1938-6-9 2309 Plumas Above the Middle Fork of Feather River, 7.3 miles SE of Quincy 1219 Comment
  CAS-BOT-BC16184  Boechera davidsonii Lowell Ahart 1983-8-17 4330 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Peak, about 11 miles northeast of La Porte. 2000 Comment
  CAS-BOT-BC14255  Boechera pinetorum John Thomas Howell; Gordon H. True 1973-7-31 50131 Plumas Sierra Nevada. Diamond Range. On road from Janesville to Thompson Peak. 1981 Comment
  CHSC37697  Boechera pinetorum M. S. Taylor 1981-5-11 3685 A Plumas Along Beckwourth-Genesee Valley Rd, ca. 1/2 mi s of Flournoy Bridge and jct of Hwy 89, ca. 5 mi e of Genesee. 1158 Comment
  CHSC72306  Boechera pinetorum L. P. Janeway; Glenn Clifton 1998-7-9 5734 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CHSC80818  Boechera pinetorum Lowell Ahart 2001-7-19 8939 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  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
  UC1504543  Boechera pinetorum Reed C. Rollins and Kathryn W. Rollins 1981-5-29 81159 Plumas 3.1 mi nw U.S. Hwy. 70 (near the Beckwourth-Genesee Road) Comment
  CAS-BOT-BC14304  Boechera platysperma Anna Head 1921-7-30 s.n. Plumas Feather River Region. Lake Center Camp. 1981 Comment
  CHSC21025  Boechera platysperma F. T. Griggs; A. Pass 1975-7-10 139 Plumas Buck's Lake. Comment
  CHSC43442  Boechera platysperma Lowell Ahart 1974-8-3 588 Plumas Near Mount Etna, about 5 miles east of the Bunker Hill Mine, about 14 miles north-east of La Porte. 1828 Comment
  CHSC53056  Boechera platysperma L. P. Janeway 1989-7-6 3455 Plumas Plumas National Forest Beckwourth Ranger District Jackson. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 0.7 mi on rd 23N48. 1645 Comment
  SEINET5325195  Boechera rectissima R. C. Rollins, Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi NW of Beckwourth Comment
  CAS-BOT-BC25592  Boechera retrofracta John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2439 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25595  Boechera retrofracta Lowell Ahart 1969-5-11 s.n. Plumas 10 miles below Quincy on Highway 70. 914 Comment
  CHSC36677  Boechera retrofracta R. E. Preston 1982-4-29 272 Plumas Ca. 30 yds e of Chips Creek, ca. 100 yds n of Hwy 70. 655 Comment
  CAS-BOT-BC25409  Boechera retrofracta John Thomas Howell; Gordon H. True 1967-7-9 43249 Plumas Sierra Nevada. North Fork of the Feather River at Caribou. 914 Comment
  CAS-BOT-BC25577  Boechera retrofracta Anna Head 1921-6-20 s.n. Plumas Feather River Canyon. Campbells Hot Springs. 1828 Comment
  CAS-BOT-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 Comment
  CHSC24646  Boechera sparsiflora S. Deaton 1976-4-16 26 Plumas 100 yrds n of Highway 70 and 30 ft e of n bank of Chips Creek. Comment
  RSA252382  Boisduvalia densiflora var. densiflora Robert F. Thorne, C. W. Tilforth 1969-9-6 39233 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  RSA59568  Boisduvalia densiflora var. densiflora Verne Grant, Alva Grant 1950-7-11 8927 Plumas North of Greenville near junction of Almanor and Susanville roads Comment
  RSA59435  Boisduvalia glabella E. K. Balls 1950-9-15 15847 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  NY144278  Botrychium californicum R. M. Austin 1897-7-2 s.n. Plumas Near Quincy Comment
  SEINET10665933 Image available Botrychium multifidum subsp. californicum R. M. Austin 1897-1 Austin s.n. Plumas In Sierra Nevada Mts. - Quincy. Comment
  CHSC100335  Botrychium simplex var. compositum Lowell Ahart 2008-7-16 15106 Plumas Open basalt area in forest, in a small meadow, about 220 yards southeast of the intersection to Lumpkin Ridge Road and the road to Tamarack Flat, about one mile northwest of the Dam (Little Grass Valley Reservoir), about 4 miles (air) northwest of La Porte. 1744 Comment
  JEPS49657  Boykinia major W. I. Follett 1937-8-20 Plumas Spanish Peak 1645 Comment
  POM92043  Boykinia occidentalis Bener 1897-7-3 s.n. Plumas [below?] Prattville [of Jemsville?] 1372 Comment
  CHSC20812  Brassica K. R. Stern 1975-7-24 5849 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC106232  Brickellia californica John Thomas Howell 1959-9-21 34774 Plumas Dry rocky river bench, N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC127712  Brickellia greenei M. S. Taylor; W Dakan; T. Griggs 1980-9-27 3349 Plumas ca. 1/4 mi s of Bucks Lake -- Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  RSA599864  Brickellia greenei L. C. Wheeler 1959-7-14 7563 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar.. . Comment
  CAS-BOT-BC484568  Brodiaea minor John Thomas Howell 1973-7-10 49745 Plumas Near Greenville 1097 Comment
  JEPS34439  Brodiaea minor Rimo Bacigalupi and Tsang Iang Chuang 1963-8-2 8915 Plumas along state hwy 89 1.8 mi wnw community of Almanor; Lassen National Forest 1389 Comment
  PASA512  Brodiaea multiflora Margaret Stason 1932-6-20 436 Plumas Highway near the Feather River Inn 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-BC149309  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-9 43245 Plumas Sierra Nevada. North Fork of Feather River at Caribou. 914 Comment
  CAS-BOT-BC149323  Bromus carinatus var. carinatus John Thomas Howell 1959-9-24 34904 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  JEPS28304  Bromus carinatus var. carinatus George W. Gillett 1957-7-17 794 Plumas (flowing) from Little Willow Lake into Willow Lake (Lassen Volcanic National Park); Lassen Volcanic National Park 1767 Comment
  CAS-BOT-BC148707  Bromus carinatus var. marginatus John Thomas Howell 1960-7-17 35498 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148720  Bromus carinatus var. marginatus Clare B. Hardham 1970-8-8 17701 L Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC148750  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Amanor. 1828 Comment
  CHSC53226  Bromus carinatus var. marginatus L. P. Janeway 1989-6-20 3349 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1691 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
  OBI3369  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy 1036 Comment
  JEPS45880  Bromus hordeaceus L. S. Smith 1925-4-29 1556 Plumas Tahoe National Forest, s slope of Grizzley Ridge Grizzley Ridge; Tahoe National Forest, Grizzley Ridge 975 Comment
  RSA201354  Bromus marginatus J. T. Howell 1960-7-20 35760 Plumas Boiling Springs Lake 1799 Comment
  CAS-BOT-BC162156  Bromus orcuttianus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1576 Plumas Butterfly Botanical Area and Vicinity. Fern Glen. 1097 Comment
  CAS-BOT-BC162161  Bromus orcuttianus John Thomas Howell 1951-6-28 27656 A Plumas Sierra Nevada. Johnsville. 1584 Comment
  RSA715686  Bromus orcuttianus L. Ahart 2005-8-9 12268 Plumas north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of Boulder Creek Work Center at Antelope Lake. 1598 Comment
  SEINET187873 Image available Bromus secalinus A. D. Dmith 1938-8-14 Plumas N. of Vinton 1524 Comment
  UCD59660  Bromus secalinus Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  CHSC101842  Bromus tectorum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15866 Plumas About 1/3 miles (air) west of Lake Almanor Dam, near cut bank of Forest Road 27N01Y, along the north road edge. 1462 Comment
  UCD59952  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas West side of Lake Almanor. Comment
  JEPS124729 Image available Bromus tectorum 32 Plumas Beckwourth pass Summit in the dry somewhat sandy place. Comment
  SEINET10508555  Bromus willdenowii Mary Susan Taylor 1981-7-6 Taylor 3966 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  CHSC82550  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards south of the road to Tamarack Flat, on the south side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1718 Comment
  CHSC65875  Calamagrostis canadensis L. P. Janeway 1995-10-25 4946 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, south-east side of Grass Lake. 1920 Comment
  CHSC69486  Calamagrostis koelerioides James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2550 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  SEINET7063408  Calandrinia ciliata A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  CHSC74139  Calliscirpus brachythrix B. Castro 1998-8-20 824 Plumas Ca 3.5 air mi S of Bucks Lake, 100 ft W of USFS Rd 23N15 as it heads S, ca 0.7 mi SE of its jcn with Rds 23N18 and 23N69. At E edges of moderate-sized meadow near headwaters of East Branch Coldwater Creek. 1761 Comment
  CHSC81358  Callitriche hermaphroditica Lowell Ahart 2001-9-18 9281 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  UCSB45745  Callitriche heterophylla Reisentz, Paul 1979-5-12 Plumas 4 miles north of Injun Jim Campground; 2.7 miles south of Beldon on Highway 70 Comment
  RSA755809  Calocedrus decurrens L. Ahart, John Dittes 2009-7-15 16085 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  SEINET5334888  Calocedrus decurrens R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  UC1103464  Calochortus coeruleus Mrs. Mabel Dopplmaier 1949-6-18 Plumas near Johnsville Comment
  CHSC80303  Calochortus leichtlinii L. P. Janeway 1996-6-5 4991 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. 1487 Comment
  CAS-BOT-BC490273  Calochortus leichtlinii Anna Head 1920-7-1 s.n. Plumas Feather River region 457 Comment
  CDA18729  Calochortus leichtlinii G. D. Barbe, T. C Fuller 1982-7-15 3738 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
  SEINET5323731  Calochortus leichtlinii M. J. Williams 1966-7-11 s.n. Plumas Near Luther Ridge road, above Johnsville 2286 Comment
  CAS-BOT-BC483472  Calochortus minimus E. K. Balls; L. W. Lenz 1956-6-19 21838 Plumas 0.3 mile east along State Highway 89, past P.G.&E. Dam, Lake Almanor 1432 Comment
  CHSC37195  Calochortus nudus L. Ahart 1982-7-30 3735 Plumas Along edgeof dirt rd, ca. 2 mi n of Ohio Ravine, ca. 3 mi n of Hardquartz Mine, ca. 4 mi s of Bucks Lake. 518 Comment
  UC337912  Calochortus nudus unknown 1889-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC493424  Calochortus nudus Lewis S. Rose 1963-6-3 63111 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC271530  Calycadenia truncata subsp. truncata Rimo Bacigalupi 1953-8-31 4346 Plumas Along roadside, road from Greenville to Indian Agency, in Indian Valley, about 2 miles east of Greenville 1005 Comment
  RSA0051508  Calycanthus occidentalis Jim R. Shevock 1972-5-19 1788 Plumas Feather River Canyon, Highway 70. 609 Comment
  SD46525  Calyptridium monospermum Robert J. Weatherby 1955-6-22 1533 Plumas Road to Spanish Peak Lookout 1830 Comment
  SEINET10674988 Image available Calyptridium monospermum A. Arthur Heller 1938-5-30 Heller 15132 Plumas Granite sand along the Feather river near Bucks Creek power house. Rather common for several miles but not noted outside of the granite. Comment
  CHSC20837  Calyptridium umbellatum K. R. Stern 1975-7-23 5825 Plumas NW shore of Lake Almanor. 1371 Comment
  HSC101678  Calyptridium umbellatum Dillon North Davis 2013-7-3 38 Plumas 4.8 miles south on FS Road 25N17 from intersection with Highway 70 1576 Comment
  SD46711  Calyptridium umbellatum Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2135 Comment
  UC1136674  Calyptridium umbellatum E. Sawyer 1935-6-27 201 Plumas 1.4 mi se of Crow (Plumas National Forest); Plumas National Forest 1706 Comment
  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
  CHSC21651  Calystegia malacophylla subsp. malacophylla D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake Forest Service Survey Comment
  CHSC87830  Calystegia occidentalis subsp. occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10998 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
  JEPS105978  Calystegia occidentalis subsp. occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10998 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
  UC2012965  Calystegia occidentalis subsp. occidentalis Barbara Ertter 1990-5-14 8989 Plumas Highway 70 along Feather River ca 8 air miles NW of Quincy, N side of highway at junction of Twain Store road. Comment
  JEPS109989  Calystegia occidentalis subsp. tomentella Dean W. Taylor 2006-6-29 19557 Plumas Keddie Ridge; meadow just E of Second Water Trough (ca. 1 mile W of Hauns Meadow along County Road 201) 975 Comment
  CAS-BOT-BC496986  Camassia leichtlinii subsp. suksdorfii Walter Knight; Irja Knight 1966-6-18 1369 Plumas Near the spring, Butterfly Valley 1127 Comment
  CHSC2247  Camassia quamash subsp. breviflora A. Stone 1937-6-15 Plumas East of Quincy. 1036 Comment
  CAS-BOT-BC497567  Camassia quamash subsp. breviflora Fred Sommers 1976-6-11 130 Plumas Sierra Valley 1487 Comment
  JEPS61552  Camassia quamash subsp. breviflora Joseph Grinnell 1927-5-18 Plumas 6 mi from Chester 1310 Comment
  CHSC33937  Camassia quamash subsp. quamash M. S. Taylor; M. Foster 1981-6-3 3849 Plumas W side of 24N10 in wet meadow, ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  HSC97317  Camissonia claviformis subsp. integrior June McCaskill 465 Plumas Lake Almanor region Comment
  CAS-BOT-BC160890  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason 1924-6-15 1037 Plumas Graeagle Comment
  CAS-BOT-BC160888  Camissonia tanacetifolia subsp. tanacetifolia Lin Grayson 1981-5-16 040 Plumas Sierra Valley marsh along County Road A 24, Sierra-Plumas county 1666 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
  JEPS49079  Campanula prenanthoides Lewis S. Rose 1966-7-26 66049 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  SEINET10463015  Campanula prenanthoides Rose 1966-7-26 Rose 66049 Plumas Butterfly Valley, 3 miles west of Keddie. 1067 Comment
  SEINET10463210  Campanula prenanthoides Rose 1966-7-26 Rose 66059 Plumas Butterfly Valley, 3 mi W of Keddie, dry open woods 3500'. Comment
  POM95585  Cardamine Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC1736743  Cardamine nuttallii Dean W. Taylor 1997-4-9 15946 Plumas n of Greenville (along Hwy 89); Plumas National Forest, Wolf Creek 1097 Comment
  CHSC51669  Cardamine pachystigma S. R. M. 1978-3-17 Plumas Above Gansner Bar, west slope of Red Hill, north-east of Belden. Comment
  JEPS96901  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  UC1736742  Cardamine pachystigma var. pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  RSA52953  Cardamine pulcherrima R. Weatherby 1950-5-31 1435 Plumas West shore of Lake Almanor. 1418 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
  CDA13564  Carex amplifolia G. F. Hrusa, T. D. Wilfred 1996-7-22 13392 Plumas Sierra Nevada; PLUMAS NATIONAL FOREST: Rhizomatous colonies in deep shade in moist bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC65590  Carex amplifolia L. P. Janeway 1995-8-30 4903 Plumas Along West Branch Humbug Creek; about 2.3 mi south of Smith Peak. Creekside opening. 1630 Comment
  CHSC57102  Carex angustata L. P. Janeway 1991-7-23 4095 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  CHSC92303  Carex angustata Lowell Ahart; Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS49035  Carex angustata Leland S. Smith 1927-8-10 2176 Plumas Gold Lake Tahoe National Forest Comment
  JEPS101246  Carex aquatilis var. dives Dean W. Taylor 2000-8-8 17559 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  CDA14127  Carex athrostachya G. F. Hrusa 1997-5-3 13817 Plumas Sierra Nevada; Moist, low site on W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. Uncommon clumping perennial in seasonally wet, open site. Comment
  JEPS102679  Carex athrostachya Lowell Ahart 2001-8-28 9194 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
  JEPS107635  Carex athrostachya Lowell Ahart, Josephine Guardino 2005-8-9 12269 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS95382  Carex athrostachya Lowell Ahart 1994-7-22 7500 Plumas along the N side of the Pacific Crest Trail, about 1/2 mi E of Mount Etna 1981 Comment
  OBI6460  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy 1036 Comment
  CAS-BOT-BC19739  Carex athrostachya Lowell Ahart 1985-7-3 5099 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake. 1584 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
  CAS-BOT-BC19134  Carex aurea W. W. Eggleston 1911-8-15 7593 Plumas Little Grizzly Ranger Station. Soda Creek. 1400 Comment
  CAS-BOT-BC19521  Carex bolanderi Alice Eastwood 1927-6-11 14491 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  CAS-BOT-BC19526  Carex bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54292 Plumas Sierra Nevada. On China Grade, 1.4 mile south of Taylorsville. 1402 Comment
  CAS-BOT-BC19621  Carex brainerdii John Thomas Howell; Gordon H. True 1969-6-23 45806 Plumas Sierra Nevada. 2.6 miles north of Middle Fork of Feather River at Nelson Point. 1310 Comment
  CAS-BOT-BC19626  Carex brainerdii L. P. Janeway 1984-7-22 929 Plumas Summit above Lookout Rock, 1.5 mile northeast of Mt. Ararat. 1815 Comment
  CHSC47055  Carex brainerdii L. P. Janeway 1989-6-12 3290 Plumas Plumas National Forest. Forest on S side of Red Clover Valley. 1706 Comment
  CHSC94117  Carex brainerdii Lowell Ahart 2006-7-3 12901 Plumas Near the southwest edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  CDA33043  Carex brainerdii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3308 Plumas 1.4 miles north-northeast of Engle Mine townsite on Diamond Mountain Road. Comment
  CDA33050  Carex douglasii T. C. Fuller 1962-6-14 Plumas Southwest corner of Highway 40 Alt. & road to Loyalton, Vinton. 0 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
  CHSC42139  Carex echinata subsp. echinata Lowell Ahart 1979-8-16 2015 Plumas In a small bog, about 100 yards east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1554 Comment
  CHSC82446  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, about 100 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  SEINET6225254  Carex echinata subsp. phyllomanica L. S. Rose 1967-1 67112 Plumas Butterfly Valley, ca 3 mi W of Keddie. Comment
  SEINET10650254  Carex eurycarpa A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8784 Plumas Prattville. Comment
  CHSC95061  Carex filifolia var. erostrata L. P. Janeway; B. Castro 2006-6-14 8691 Plumas Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynolds Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  CDA17787  Carex filifolia var. erostrata G. D. Barbe, T. C. Fuller 1982-6-17 3850 Plumas Frenchman Lake Region; On E shore of Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC103120  Carex fracta Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 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
  CDA33081  Carex gigas G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3124 Plumas 2.65 miles west of Round Valley Reservoir Dam. Comment
  JEPS119927  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas About 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  RSA0035344  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast, of La Porte. 1889 Comment
  UCD140422  Carex heteroneura G. Douglas Barbe; T. C. Fuller 1982-6-16 3790 Plumas Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. Comment
  CAS-BOT-BC7552  Carex infirminervia John Thomas Howell 1951-6-27 27589 Plumas McRae Meadow 1981 Comment
  CHSC57103  Carex integra L. P. Janeway 1991-7-23 4096 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  RSA97925  Carex integra J. T. Howell 1951-6-27 27591 A Plumas McRae Meadow. 1982 Comment
  CHSC92302  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
  JEPS106376  Carex jonesii Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along edges of small stream, in small meadow, on the N side of forest road, ca. 1/4 mi N of Taylor rock, ca. 1 mi (air) SW of Grizzly Peak, ca. 5 mi (air) S of Taylorsville, ca. 8 mi (air) NE of Quincy 2139 Comment
  CHSC44257  Carex lasiocarpa V. Oswald; L. Ahart 1988-8-4 3679 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Located on the n side of the lake. 1676 Comment
  CHSC58525  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5033 Plumas Grass Lake located just W of Lakes Basin Hwy. (County Rd. 519). 1926 Comment
  CAS-BOT-BC31151  Carex lemmonii Hans Leschke; George Wilson Gillett s.n. Plumas Near Devil's Kitchen. Comment
  CAS-BOT-BC31156  Carex lemmonii John Thomas Howell 1962-6-17 37655 Plumas Butterfly Valley. 1036 Comment
  CHSC102605  Carex lemmonii L. P. Janeway; B. Castro 2009-7-4 9843 Plumas Northern High Sierra Nevada. upper end of Rock Island Ridge, in small open meadow in larger mountain alder thicket drainage sloping east, head of a western tributary of Toland Creek. 1576 Comment
  CHSC43021  Carex lemmonii L. P. Janeway 1984-7-13 904 Plumas SW of Bucks Lake, near Grizzly Cr Campground. 1584 Comment
  SD71003  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  SJSU6922  Carex lemmonii C. W. Sharsmith 1975-6-18 8228 Plumas Butterfly Valley, c. 3 mi SW of Keddie 1066 Comment
  UCD140472  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park, Drakesbad. Near Soda Spring. 1676 Comment
  JEPS104615  Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas Seep, on the e side of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1752 Comment
  JEPS110428  Carex lenticularis var. impressa Lowell Ahart 2006-7-9 12922 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  CHSC58527  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5040 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC73450  Carex lenticularis var. lipocarpa B. Castro; L. Gehrung 1995-9-19 652 Plumas Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow, in SE and NW portions of meadow. 1706 Comment
  CHSC78916  Carex lenticularis var. lipocarpa L. P. Janeway 2000-7-7 6883 Plumas Northen High Sierra Nevada. Drainage bottom at head of an upper northern branch of Spanish Creek., about 1.1 km northeast of Maple Flat. 1609 Comment
  CHSC84928  Carex lenticularis var. lipocarpa L. P. Janeway 2003-9-20 8001 Plumas Northern High Sierra Nevada. Along edges of Round Lake, especially at the outlet; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. 2047 Comment
  CHSC87986  Carex luzulifolia Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11156 Plumas Edge of a small seep, 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
  CHSC78178  Carex mendocinensis Lowell Ahart 2000-5-21 8381 Plumas Near a small stream, on the west side of Caribou Road, about 4 miles (air) northeast of Belden. 853 Comment
  CAS-BOT-BC32032  Carex multicaulis Mary Strong Clemens 1920-5-18 s.n. Plumas Greenville Comment
  SEINET3904275  Carex multicostata Lewis S. Rose 1951-6-28 51036 Plumas Mcrae Meadows, 8 mi. sw. of Johnsville.; 0 1951 Comment
  UCD108022  Carex multicostata Tim Kuhn 2006-6-28 67 Plumas north of Lake Davis at Old House Meadow. Comment
  POM81165  Carex multicostata Marcus E. Jones 1897-7-6 10913 Plumas Prattville. 13 miles west. 1372 Comment
  CHSC65600  Carex nebrascensis L. P. Janeway 1995-8-4 4888 Plumas About 1.4 mi north-northeast of Dixie Mountain Lookout; springy meadow between Lookout Creek and Road 25N03. 2026 Comment
  UCD140687  Carex nebrascensis Malcolm A. Nobs; S. Galen Smith 1949-8-19 1457 Plumas Southeastern side of Portola. Comment
  CHSC77071  Carex nervina G. Douglas Barbe; T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC119293  Carex occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54397 Plumas Meadow and meadow borders, 0.3 mi SW of Bucks Summit on road to Bucks Lake. 1645 Comment
  CHSC101954  Carex pellita Lowell Ahart; John Dittes 2009-7-27 16187 Plumas On dry soil, about 20 yards north of the poor dirt road, on the norht side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC43012  Carex pellita L. P. Janeway 1984-7-13 908 Plumas SW of Bucks Lake; near Grizzly Cr Campground. 1584 Comment
  JEPS96045  Carex pellita Vernon H. Oswald and Lowell Ahart 1996-8-14 8154 Plumas on La Porte-Quincy Rd. 3.1 mi n road to Johnsville (ne of La Porte, 1.0 mi s of South Fork of the Feather River); northern High Sierra Nevada 1920 Comment
  UCD108019  Carex pellita Tim Kuhn 2006-7-12 65 Plumas west of Willow Creek Road, north of Lake Davis. Comment
  CAS-BOT-BC118814  Carex preslii Clare B. Hardham 1970-8-8 17701 H Plumas Thompson Peak. Comment
  CAS-BOT-BC118611  Carex raynoldsii E. K. Balls 1950-9-1 15613 Plumas East of Long Lake in meadow leading down to smaller lakes, Southern county 2133 Comment
  CAS-BOT-BC118125  Carex rossii John Thomas Howell 1961-6-21 36635 Plumas Greenville 1097 Comment
  CDA17782  Carex rossii G. D. Barbe, T. C. Fuller 1982-6-16 3796 Plumas Plumas National Forest; Below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CDA17813  Carex rossii G. D. Barbe, J. T. Howell (54267 at CAS) & T. C. Fuller 1981-6-24 3269 Plumas Summit of Mt. Hough. 2194 Comment
  CAS-BOT-BC118135  Carex rossii John Thomas Howell; R. C. Barneby 1954-5-14 29556 Plumas 2 mi E of Blairsdan 1493 Comment
  SEINET3907577  Carex rostrata 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 4.5 miles northeast of La Porte.; 0 1585 Comment
  UCSB63734  Carex scabriuscula Jokerst, James; Schlising, R.; Ahart, Lowell 1985-8-12 Plumas Hwy. 70, Serpentine Canyon, 1.6 mi. SW of its junction with Rich Gulch Rd.: T25N R7E, probably Sect. 13 Comment
  RSA59668  Carex senta E. K. Balls 1950-9-9 15736 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CAS-BOT-BC117522  Carex sheldonii L. P. Janeway 1992-6-4 4216 Plumas Wet area adjacent to Bonta Creek in wooded pasture between Mohawk Ranger Station barracks 1318 Comment
  CHSC53547  Carex simulata L. P. Janeway 1989-6-15 3316 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC97073  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
  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-BC117741  Carex simulata Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Wet meadow, Drakesbad. Comment
  CDA17790  Carex simulata G. D. Barbe, T. C. Fuller 1982-6-17 3864 a Plumas Frenchman Lake Region; 2 miles N of Turkey Point Fishing Access; shore of N arm of the lake. 1706 Comment
  CHSC34540  Carex specifica J. D. Jokerst; R. A. Schlising 1981-8-1 1453 B Plumas Just north of Butte County line, seep at headwaters of Upper Scotts John Cr. S of saddle between Humboldt Peak and Eagle Rock. Comment
  JEPS115921  Carex specifica Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16207 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  SEINET4290223  Carex specifica L. Ahart, Dittes, J; Guardino, J 2009-1 16207 Plumas South side of Forest Road 26N67F3, 1.2 miles (Air) northeast, of Rush Creek Hill, 2.6 miles (air) east- southeast of Caribou Powerhouse. Comment
  UC1133451  Carex spectabilis L. S. Smith 1927-8-10 2166 Plumas near Gold Lake; Downieville Quadrangle 1981 Comment
  JEPS49037  Carex spectabilis Leland S. Smith 1927-8-10 2192 Plumas w end Gold Lake Tahoe National Forest, Gold Lake 2133 Comment
  CAS-BOT-BC114993  Carex subfusca John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2377 Plumas Moist roadside hollow in canyon of Butterfly Creek between Spanish Creek and Butterfly V. Comment
  CHSC105835  Carex subfusca Lowell Ahart 2010-7-27 16926 Plumas On the north side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte. 1680 Comment
  CHSC84896  Carex subfusca L. P. Janeway; B. Castro 2003-9-6 7980 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  CHSC92205  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12264 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  JEPS107625  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12273 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS115917  Carex subfusca Lowell Ahart, John Dittes 2009-7-27 16171 Plumas On damp to dry soil, on the south end of a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  SEINET10880001  Carex subfusca Dean W. Taylor 2000-8-12 Taylor 17556 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed); T27N R13E NW1/4 Section 16; Antelope Lake 71/2' USGS quadrangle. Sierra Nevada (nSNH). 1859 Comment
  SEINET4292054 Image available Carex subfusca L. Janeway, Naczi, R 2004-1 8186 Plumas High Cascade Range. Large willow meadow along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit South edge of the meadow. Comment
  CAS-BOT-BC115994  Carex subfusca Clare B. Hardham 1970-8-8 17716 Plumas Road to Thompson Peak. 2286 Comment
  JEPS127219  Carex utriculata Lowell Ahart 2016-8-30 21324 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CAS-BOT-BC115404  Carex utriculata Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1410 Plumas Abundant around Pond reservoir. 1097 Comment
  CHSC116391  Carex utriculata Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 407 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  CAS-BOT-BC115154  Carex vesicaria John Thomas Howell 1961-9-23 36858 Plumas Indian Valley 1082 Comment
  CHSC47148  Carex whitneyi L. P. Janeway 1989-6-8 3274 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) ca 1000 ft E of Jackson Cr campground. 1402 Comment
  CAS-BOT-BC114937  Carex whitneyi L. P. Janeway 1990-7-3 3757 Plumas Near Paradise Creek about 1/4 mi S of Little Grizzly Creek. 1813 Comment
  CAS-BOT-BC114940  Carex whitneyi Mrs. H. C. Cantelow 1938-7-4 2278 Plumas Meadow at Drakesbad. Comment
  UC1197604  Cassiope mertensiana subsp. californica Charlotte M. Wilder 1912-7-12 1831 Plumas Long Lake 2133 Comment
  CAS-BOT-BC249009  Castilleja Clare B. Hardham 1975-8-2 20452 Plumas Black Mt. 2133 Comment
  CHSC75540  Castilleja applegatei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3201 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC249720  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-7 1636 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  CAS-BOT-BC249730  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-6-21 4705 Plumas Ca. 1/4 mi w of Eureka Ridge Rd (23N09), ca. 3/4 mi w of White Cap, ca. 3 air mi sw of Sloat 1767 Comment
  CAS-BOT-BC249747  Castilleja applegatei subsp. pinetorum John Thomas Howell 1951-6-28 27715 Plumas Eureka Peak 2255 Comment
  CAS-BOT-BC249750  Castilleja applegatei subsp. pinetorum John Thomas Howell 1926-7-24 2101 Plumas Near Prattville 1463 Comment
  CHSC11346  Castilleja applegatei subsp. pinetorum Lowell Ahart 1968-6-29 Plumas Four miles N.E. of La Porte. 914 Comment
  CHSC37291  Castilleja applegatei subsp. pinetorum M. S. Taylor; H. Swanson 1982-8-11 4966 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi se of Jonsville. 2133 Comment
  JEPS81451  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4826 Plumas ca 1 mi s Onion Flat (Soda Creek Rd, ca 3 mi n of Twain); Almanor SW Quad. 1463 Comment
  JEPS9788  Castilleja applegatei subsp. pinetorum W. L. Jepson 1939-8-6 19342 Plumas Spring Hill Meadow Valley 1219 Comment
  JEPS74159  Castilleja arachnoidea Loran C. Anderson 1974-7-5 3689 Plumas 15 air mi nw Portola (below Mt. Ingalls summit (above treeline)); Mt. Ingalls 2514 Comment
  JEPS95559  Castilleja arachnoidea Lowell Ahart 1994-7-7 7471 Plumas N side of Pacific Crest Trail, 1 mi W of Pilot Peak, about 1/4 mi E of Quincy--La Porte Road 1950 Comment
  CHSC110003  Castilleja lacera B. Castro; L. P. Janeway 2006-6-4 1539 Plumas Northern High Sierra Nevada. Along the new dirt road from Squaw Valley to McReynolds Valley, 0.3 mi S of Squaw Valley Road/USFS Rd 28N01 (and Squaw Valley). 1703 Comment
  CAS-BOT-BC254072  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley Comment
  CHSC21668  Castilleja miniata D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC254053  Castilleja miniata M. S. Taylor 1982-8-5 4937 Plumas In wet areas around Crystal Lake just below Mt Hough summit, ca. 7 air mi nne of Quincy. Flora of Plumas County 2042 Comment
  SD7127  Castilleja miniata none given July 1926 Plumas Big Spring, Big Meadows Comment
  SEINET10549615  Castilleja miniata Mary Susan Taylor 1982-8-4 Taylor 4916 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CHSC102002  Castilleja miniata subsp. miniata L. P. Janeway; B. Castro 2009-8-29 9933 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
  CHSC108456  Castilleja miniata subsp. miniata Lowell Ahart 2011-9-20 17684 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  JEPS95383  Castilleja miniata subsp. miniata Lowell Ahart 1994-7-22 7487 Plumas S of the Pacific Crest Trail, on N side of Mount Etna 1981 Comment
  JEPS32704  Castilleja pilosa Lewis S. Rose 1963-6-4 63124 Plumas 2 mi s Beckwourth; Sierra Valley 1463 Comment
  CHSC20821  Castilleja tenuis K. R. Stern 1975-7-25 5818 Plumas N shore of Lake Almanor. 1371 Comment
  JEPS81468  Castilleja tenuis M. S. Taylor 1982-6-28 4770 Plumas ca 1 mi w Beckwourth (Ramelli Ranch, s side of Hwy 70); Portola Quad. 1487 Comment
  SBBG120147  Ceanothus arcuatus L. P. Janeway 2007-5-20 8996 Plumas NE corner of Meadow Valley at jct of Bucks Lake Rd, Spanish Ranch Rd, and Spanish Crk 1106 Comment
  CAS-BOT-BC47869  Ceanothus cordulatus Alice Eastwood 1927-6-15 14596 Plumas On road to Long Valley Comment
  CHSC46504  Ceanothus cordulatus Lowell Ahart 1975-7-16 885 Plumas About 1 mile north of Little Grass Valley Reservoir. On an open hillside. 1828 Comment
  SD7225  Ceanothus cordulatus Mrs. R. M. Austin 1880-1 Plumas Prattville, Big Meadows Comment
  CAS-BOT-BC49031  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54297 Plumas Sierra Nevada - East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC49176  Ceanothus cuneatus Clarence R. Quick 1952-6-29 52 -77 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  UC170921  Ceanothus fresnensis H. M. Hall 1912-6-28 9280 Plumas Spanish Creek Sierra Nevada Mts. 1158 Comment
  UC963886  Ceanothus integerrimus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on Yellow Creek Feather River Canyon (Beldon) Comment
  RSA104151  Ceanothus integerrimus var. puberulus T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  CHSC79202  Ceanothus prostratus L. P. Janeway 2000-6-24 6832 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  UC1071281  Ceanothus prostratus R. Roseberry 1934-11-14 15 Plumas 1 1/2 mi s Otis Ranch; Plumas National Forest, Downieville Quad. Comment
  UC1552738  Ceanothus prostratus Frederica Bowcutt 1985-6-6 562 Plumas about 15 air miles NE Quincey 1 mile of Drum Bridge. North of Beckwourth Genesee Road about 1/8 mile. 1676 Comment
  UC338504  Ceanothus prostratus J. G. Lemmon Plumas Mohawk Valley Comment
  UCSB13419  Ceanothus prostratus Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  SEINET5339356  Ceanothus prostratus B. Miller 1951-4-22 2 Plumas North side of highway, 2 miles east of Johnsville, Calif., about 15 miles from Portola. 1829 Comment
  JEPS28668  Ceanothus velutinus George W. Gillett 1957-7-23 892 Plumas summit of Mt. Harkness Lassen National Volcanic Park 2446 Comment
  SD7226  Ceanothus velutinus Daniel Cleveland 1884-6-6 Plumas Big Meadows Comment
  UC1071473  Ceanothus velutinus C. G. Albertus 1935-7-22 221 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  CAS-BOT-BC63184  Ceanothus velutinus var. velutinus John Thomas Howell 1960-7-20 35782 Plumas Between Borling Springs Lake and Terminal Geyser. 1859 Comment
  CAS-BOT-BC388191  Cerastium fontanum John Thomas Howell 1960-7-19 35612 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  RSA405411  Cercis occidentalis Bonnie C. Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie Comment
  CAS-BOT-BC143857  Cercocarpus ledifolius var. ledifolius John Thomas Howell; Gordon H. True 1973-7-31 50067 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC63447  Chaenactis douglasii var. douglasii Lowell Ahart 1994-7-20 7474 Plumas Plumas/Sierra counties. On both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  RSA71067  Chaenactis douglasii var. douglasii L. S. Rose 1951-6-24 51069 Plumas 9 mi. east of Quincy. 1220 Comment
  UC1552747  Chaenactis douglasii var. douglasii Frederica Bowcutt 1985-6-6 548 Plumas about 15 air miles ne of, along Beckwourth Genessee Rd, 0.9 mi from Drum Bridge Quincy; Plumas National Forest Comment
  JEPS122325  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 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-BC165971  Chamerion angustifolium W. W. Wagner 1919-7-3 307 Plumas Massack Creek at Massack 1158 Comment
  JEPS127208  Cheilanthes gracillima Lowell Ahart 2016-6-29 21060 Plumas About 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1177846  Cheilanthes gracillima P. C. Hutchison Plumas 6 mi n Belden (on road to Longville) 1828 Comment
  SEINET4171891  Chenopodium atrovirens W. Harnach, N. Harnach 2000-8-23 989 Plumas 1 mile east of the intersection of Dyson Lane and County Road A-24, on Dyson Lane 1494 Comment
  SD71436  Chenopodium strictum var. glaucophyllum John Thomas Howell Dept. 25, 1959 35006 Plumas Sierra Valley near Beckworth, Plumas Co. 1493 Comment
  CHSC80830  Chimaphila menziesii Lowell Ahart 2001-7-17 8908 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, by a primitive camp, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC452236  Chimaphila umbellata Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1603 Plumas Butterfly Botanical Area and Vicinity: Fern Glen 1097 Comment
  CHSC53139  Chimaphila umbellata L. P. Janeway 1990-9-2 3852 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. About halfway between Cascade Cr and Emigrant Cr, and about 1/3 mi S of Little Grizzly Cr. 1859 Comment
  UC1075670  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Quincy, Gansner Creek 1219 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
  CAS-BOT-BC36257  Chrysolepis sempervirens Gladys L. Smith 1976-6-7 4580 Plumas Northern end of Summit area, secondary road between Rte. 70 and La Porte 1950 Comment
  JEPS58684  Chrysolepis sempervirens W. L. Jepson 1924-7-18 10603 Plumas Soapstone Hill 1615 Comment
  RSA300576  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-13 3862 Plumas 0.5 miles from Hwy. 89 along Gold Lake Road, S of Graegle Comment
  UC203264  Chrysothamnus viscidiflorus subsp. viscidiflorus I. M. Johnston 1919-9-2 2182 Plumas Portola Comment
  UC403968  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  RSA599866  Cicuta douglasii L. C. Wheeler 1959-7-15 7571 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CAS-BOT-BC190009  Cinna latifolia John Thomas Howell 1960-7-23 35961 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1828 Comment
  RSA52865  Circaea alpina subsp. pacifica R. Weatherby 1950-7-7 1451 Plumas Gansner Creek, Quincy. 1220 Comment
  CAS-BOT-BC289618  Cirsium andersonii John Thomas Howell 1960-7-20 35743 Plumas Boiling Springs Lake, Lassen Volcanic National Park 1798 Comment
  CDA14024  Cirsium andersonii G. F. Hrusa, B. A. Smith 1996-8-8 13472 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CAS-BOT-BC289626  Cirsium andersonii W. R. Dudley August (rest of date obscured by ink on label) s.n. Plumas Hot Springs, Sierra Valley Comment
  CDA17241  Cirsium cymosum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16344 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
  OBI64687  Cirsium cymosum var. cymosum G. D. Barbe 1982-6-17 3807 Plumas S shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. USGS Quad. Frenchman Lake 7.5' T24N, R16E, Sect 28 BM: M 1707 Comment
  CAS-BOT-BC279961  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35979 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA1374  Cirsium occidentale var. candidissimum T. C. Fuller 1957-9-16 304 -57 Plumas Storrie. 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
  CAS-BOT-BC285543  Cirsium occidentale var. candidissimum E. K. Balls 1950-9-6 15696 Plumas Jackson Creek Public Camp, Middle Fork Feather River, off Hwy 24 east of Quincy 1402 Comment
  CAS-BOT-BC280433  Cirsium ochrocentrum W. T. Parsons; T. C. Fuller 1960-7-27 4889 Plumas W side of Loyalton-Vinton Hwy just N/county line Comment
  CDA1518  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 -B Plumas Sierra Valley; Loyalton-Vinton Rd., just N/ Co. line 7.3 mi S of Vinton. Comment
  UC170948  Cirsium vulgare H. M. Hall 1912-8-3 9377 Plumas Quincy Sierra Nevade Mountains, Quincy 1066 Comment
  CAS-BOT-BC285833  Cirsium vulgare E. K. Balls 1950-8-30 15517 Plumas Just west of Feather River Experiment Station 4 miles north of Quincy 1066 Comment
  CAS-BOT-BC228903  Cistanthe umbellata Robert J. Weatherby 1955-6-22 1533 Plumas Road to Spanish Peak lookout 1828 Comment
  CHSC37294  Clarkia lassenensis M. S. Taylor 1982-6-3 4607 Plumas NE side of Spring Garden Overpass, 7.5 mi se of Quincy. 1219 Comment
  CHSC118704  Clarkia lassenensis Wendy L. Boes; Jim Battagin 2015-5-12 2015003 Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  UC1122396  Clarkia mildrediae G. T. Nordstrom 1934-7-2 167 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar 1584 Comment
  UC1071905  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 749 Plumas 5.2 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  CDA38044  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada.; Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. Comment
  LA206075  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 749 Plumas Hwy 24, 5.2 mi S of Yellow Creek Bridge on Feather River Comment
  SEINET10837680  Clarkia purpurea Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7049 Plumas Yellow pine and douglas fir in plumas ntl forest off hwy 70. 1067 Comment
  UC725468  Clarkia purpurea A. A. Heller 1938-7-2 15234 Plumas just n Quincy (along highway near the bridge over creek); Spanish Creek Comment
  CAS-BOT-BC163860  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1962-6-17 37669 Plumas Butterfly Valley 1036 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
  CDA18563  Clarkia rhomboidea G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3350 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  JEPS33714  Clarkia rhomboidea John Thomas Howell 1926-7-20 2081 Plumas near Prattville 1463 Comment
  UC1143255  Clarkia rhomboidea H. and M. Lewis and F. Vasek 1950-6-30 746 Plumas 1.4 mi s Yellow Creek Bridge (Hwy. 24); Feather River Comment
  UC1143257  Clarkia rhomboidea H. and M. Lewis, F. Vasek 1950-6-30 748 Plumas 3.8 mi s Yellow Creek Bridge (Hwy.24, by dam); Feather River Comment
  UC1730249  Clarkia rhomboidea L. P. Janeway 1993-6-30 4408 Plumas East Branch North Fork Feather River, along Hwy 70 2.9 mi SW of junction with Hwy 89 868 Comment
  CAS-BOT-BC165391  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8813 Plumas Prattville Comment
  CDA17277  Clarkia stellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16304 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
  CHSC117486  Clarkia stellata Lowell Ahart 2016-6-29 21072 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  RSA0059949  Clarkia stellata G. Fred Hrusa 1997-5-30 13840 Plumas Sierra Nevada: 2.5 miles east of Spring Garden on Highway 70, and 0.5 mile south of Estray Creek 1540 Comment
  UC1730244  Clarkia stellata L. P. Janeway 1996-6-12 5012 Plumas 0.5 mi NE of Deer Creek, 2.0 mi S of Spanish Creek; N side of logging spur road 0.6 mi E of Road 24N23X 1318 Comment
  RSA73357  Clarkia stellata F. W. Peirson 1926-6-21 6798 Plumas Open flat strip along shore of Lake Almanor. Comment
  UC1730246  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 2 mi SW of Prattville, Lake Almanor (0.3-0.5 mi E of the road from Prattville to Butt Reservoir,) 1438 Comment
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  CHSC21589  Claytonia lanceolata D. E. Brink Jr.; L. M. Mayer 1975-7-17 Plumas Found on the e edge of the middle of the section. Comment
  SBBG1926  Claytonia lanceolata H. and M. Dearing 1939-3-9 3313 Plumas N of Sierra Buttes Rd to Blairsden from Sierra City 1828 Comment
  UC175826  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas near Marston Station 1066 Comment
  CAS-BOT-BC443710  Claytonia rubra L. P. Janeway; C. A. Janeway 1987-4-19 2005 Plumas Almanor Peninsula. Above high water line of Lake Almanor. 1371 Comment
  CAS-BOT-BC443795  Claytonia rubra subsp. rubra George W. Gillett 1957-7-17 792 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake. 1767 Comment
  CDA15385  Claytonia rubra subsp. rubra G. F. Hrusa 1997-5-3 13839 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC21656  Claytonia rubra subsp. rubra D. Brink; L. Mayer 1975-7-21 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC42408  Claytonia rubra subsp. rubra Lowell Ahart 1987-5-19 5656 Plumas Near Hopkins Creek, about 1/2 mile south of Turkeytown, about 1 mile west of Blue Nose Mountain, about 14 miles north-east of La Porte. 1889 Comment
  SD6966  Collinsia Mrs. R. M. Austin 187_ Plumas American Valley Comment
  CAS-BOT-BC238044  Collinsia Rimo Bacigalupi 1927-7-12 1737 Plumas Along Little Gray Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  CHSC32816  Collinsia parviflora W. M. Foster 1981-4-17 4 Plumas Upper margin of road cut, n side of intersection of Hwys 89 and 70, ca. 7 mi n of Quincy. 914 Comment
  CHSC60492  Collinsia parviflora L. P. Janeway 1992-5-12 4168 Plumas Plumas National Forest. North side of Lake Davis and Rd 112, ca 6 1/2 mi northwest of the road to the dam. 1780 Comment
  CHSC60493  Collinsia parviflora L. P. Janeway 1992-5-6 4157 Plumas Plumas National Forest. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  SEINET3840905  Collinsia parviflora G. Douglas Barbe, Thomas C. Fuller 1982-7-16 3763 Plumas Plumas National Forest, Lava Cap Ridge, 1.5 miles west of Wheeler Peak and one mile south of Beardsley Mine on forest road 3.8 miles south of Green Flat 1980 Comment
  JEPS3802  Collinsia parviflora W. L. Jepson 1927-6-23 12304 A Plumas near Camp Kelly (Warner Creek); Warner Creek 1584 Comment
  CDA9309  Collinsia tinctoria D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .258 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  UC1238980  Collinsia torreyi var. torreyi Freed W. Hoffman 1946-6-12 748 Plumas between Mohawk and Calpine 1524 Comment
  CDA13348  Collinsia torreyi var. wrightii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13197 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC33929  Collomia grandiflora M. S. Taylor 1981-7-6 3977 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcoot. 1920 Comment
  UCR123997  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2001-7-6 6855 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CHSC81393  Collomia heterophylla L. P. Janeway 1996-5-20 4976 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 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
  UC908728  Collomia tinctoria Herbert L. Mason 1924-6-18 1061 Plumas on road to Gold Lake from Graeagle 1 mi from Gold Lake Comment
  CHSC44255  Comarum palustre Vernon Oswald 1988-7-19 3608 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the edge of island on the s side of the lake. 1676 Comment
  SEINET7134355  Convolvulus arvensis W. Harnach, N. Harnach 1989-6-17 147 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  RSA754869  Conyza canadensis L. Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CHSC46694  Corallorhiza maculata Vernon Oswald 1983-8-17 1000 Plumas Pacific Crest Trail, ca. 2000 ft e of Humboldt Summit. 2011 Comment
  CHSC63303  Corallorhiza maculata Lowell Ahart 1994-6-17 7361 Plumas On the west side of Sly Creek, about 100 yards south of the locked gate, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  JEPS64324  Corallorhiza maculata W. I. Follett 1928-6-19 Plumas mountainside opposite Caribou; North Fork Feather River 1432 Comment
  UC1778608  Corallorhiza striata G. Douglas Barbe, T. C. Fuller 1982-7-16 3781 Plumas Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. Near the road west of Cupressus bakeri, Plumas National Forest. 1981 Comment
  RSA101512  Corallorhiza striata R. Weatherby 1955-7-4 1593 Plumas Across Rock Creek, 0.5 mile below Deane Valley, near Meadow Valley 1341 Comment
  SEINET4676259  Cordylanthus bolanderi Lewis S. Rose 1966-7-26 66047 Plumas Butterfly Valley, 3 miles west of Keddie.; 0 1067 Comment
  HSC102786  Cordylanthus tenuis subsp. tenuis L. Ahart, John Dittes 2009-7-15 16089 Plumas About 2.8 air miles SE of Butt Valley Reservoir Dam, NE of Forest Service Rd. 26N67, south side of FS Road 26N671 1703 Comment
  RSA88132  Cordylanthus tenuis subsp. tenuis J. T. Howell 1951-8-20 28224 Plumas Indian Valley. 1098 Comment
  CAS-BOT-BC209722  Cornus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54363 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CAS-BOT-BC209430  Cornus nuttallii Lewis S. Rose 1968-6-11 68107 Plumas Butterfly Valley 4 mi. s. of Keddie 1036 Comment
  CHSC21564  Cornus nuttallii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC210302  Cornus sericea John Thomas Howell 1951-8-20 28205 A Plumas Near Taylorsville 1066 Comment
  CAS-BOT-BC210324  Cornus sericea John Thomas Howell 1959-9-24 34937 Plumas Butterfly Creek near mouth Comment
  CHSC21077  Cornus sericea subsp. sericea F. T. Griggs; A. Pass 1975-7-2 44 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET3478225  Cornus sericea subsp. sericea G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1991-6-25 3279 Plumas East of Taylorsville, East of Taylorsville, 0.7 miles south of Arlington Road (Main Street), on Beckworth-Greenville Road 1110 Comment
  UC1122739  Cornus sericea subsp. sericea G. T. Nordstrom 1934-7-9 201 Plumas 3/4 mi. s. Mt. Ararat; Plumas Nat'l Forest, Bidwell Bar Quad. 1645 Comment
  UC1122812  Cornus sericea subsp. sericea E. Sawyer 1935-6-14 113 Plumas 3 mi. n.-n.e. Kerby; Plumas Nat'l Forest, Sierraville Quad. Comment
  CHSC81364  Cornus sessilis L. P. Janeway 1996-4-23 4958 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  JEPS50177  Cornus sessilis W. L. Jepson 1924-7-22 10608 Plumas Middle Fork Feather R., Rich Pt. 914 Comment
  RSA60801  Cornus stolonifera I. L. Wiggins 1948-9-15 12057 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  RSA101460  Corydalis caseana R. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  CAS-BOT-BC401866  Corydalis caseana subsp. caseana Lester Rowntree 1935-6-15 s.n. Plumas Mineral Comment
  CAS-BOT-BC401877  Corydalis caseana subsp. caseana Beryl O. Schreiber 1938-7-10 2527 Plumas 1/4 mile south of U. C. Forestry Camp near Mdw. Valley 1097 Comment
  UC120137  Corydalis caseana subsp. caseana D. Cleveland 1892-7-25 Plumas Big Meadows, Big Spring Comment
  CHSC21031  Corylus cornuta var. californica F. T. Griggs; A. Pass 1975-7-3 70 Plumas Buck's Lake Forest Service Survey. North of Grizzly Fore bay. Comment
  CHSC81816  Crataegus castlegarensis Lowell Ahart 2001-10-16 9393 Plumas Old road that crossed Indian Creek, about 10 yards east of the railroad tracks, where railroad has a bumper to start the signal lights on Arlington Road, about 400 yards south of Arlington Road, about 30 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC290323  Crepis W. Harnach; N. Harnach 1989-6-17 146 Plumas Sierra Valley. Collected approx. 200 ft. west of the steel bridge on Marble Lane 1487 Comment
  CAS-BOT-BC290454  Crepis acuminata Anna Head 1920-7-25 s.n. Plumas Near Lake Center Camp. Feather River Region 1920 Comment
  UC581281  Crepis acuminata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2250 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  RSA129860  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 miles SSE of Crow. 1982 Comment
  SJSU14351  Crepis bakeri N. A. Hopkins 1990-5-12 1620 Plumas 17.2 mi NW of Beckwourth on road to Genessee 1706 Comment
  SEINET7837061 Image available Crepis bakeri M. Foster 1988-6-5 159 Plumas N of Big Grizzly Creek and S of Walker Mine Rd., 1 mi W of Lake Davis, 12 mi N by NW of Portola 1768 Comment
  UC346533  Crepis capillaris E. B. Babcock and M. Navashin 1928-6-26 138 a Plumas Meadow Valley 1158 Comment
  CHSC91772  Crepis intermedia G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16342 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC95093  Crepis modocensis var. subacaulis L. P. Janeway; B. Castro 2006-6-3 8655 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  CAS-BOT-BC376545  Crepis monticola Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  JEPS22859  Crepis occidentalis E. Sawyer 1935-6-4 63 Plumas 3 3/4 mi ese Beckwith Butte; Sierraville Quadrangle 1493 Comment
  UC476321  Crepis occidentalis Mrs. L. W. Swift June, 1931 3033 Plumas Last Chance Creek Plumas National Forest (across road from Humphrey's Canyon) Comment
  SJSU13900  Crepis occidentalis N. A. Hopkins 1986-6-30 1340 Plumas on bald ridge 2377 Comment
  CAS-BOT-BC290784  Crepis occidentalis subsp. occidentalis Clarence R. Quick 1952-6-29 52 -74 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  SEINET10475129  Crepis occidentalis subsp. occidentalis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3875 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-BC290853  Crepis pleurocarpa Anna Head 1921-8-18 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CAS-BOT-BC376505  Crepis pleurocarpa M. S. Taylor 1981-7-21 4083 Plumas NE corner of jct of 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden 1371 Comment
  RSA286276  Crepis pleurocarpa R. F. Thorne 1974-7-30 44998 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  RSA59690  Crepis pleurocarpa E. K. Balls 1950-9-9 15759 Plumas West of Lakes Center Public Campground, ca. 1 mile along trail to outlet Long Lake 2073 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
  SEINET9348560  Cryptantha flaccida Unknown 1981-6-25 3285 Plumas 0.7 mile S of Arlington Road, (Main St., Taylorsville) on Beckwourth-Greenville Road, E of Taylorsville. Comment
  UCD107937  Cryptantha simulans Tim Kuhn 2006-6-13 52 Plumas south of Frenchman Lake. Comment
  CDA41487  Cryptantha torreyana B. A. Smith, G. F. Hrusa 1996-7-15 s.n. Plumas Sierra Nevada; near summit of hill on E side of Rattlesnake Creek, 1/2 mi. S of Hwy 70, and approx. 15 mi. E of Quincy. 1584 Comment
  CHSC37695  Cryptantha torreyana M. S. Taylor 1982-9-8 5116 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  CHSC84941  Cryptantha torreyana Lowell Ahart 2003-10-26 10683 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  JEPS95556  Cryptantha torreyana Lowell Ahart 1994-7-7 7456 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  RSA189340  Cryptantha torreyana L. S. Rose 1967-7-11 67157 Plumas Mt. Hough Road, 2 miles NE of Quincy Junction. 1220 Comment
  UC1481813  Cryptogramma acrostichoides Mrs. Carlotta C. Hall 1912-7-11 9342 Plumas Long Lake 2042 Comment
  SEINET10529928  Cryptogramma acrostichoides Mary Susan Taylor 1982-8-30 Taylor 5078 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  CAS-BOT-BC70527  Cryptogramma cascadensis George W. Gillett 1957-7-23 887 Plumas Mt. Harkness 2255 Comment
  CHSC33924  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas N and NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  RSA595070  Cuscuta californica J. T. Howell, G. D. Fuller, G. D. Barbe 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville. 1524 Comment
  CHSC65422  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Lassen Volcanic Park. Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  CHSC92818  Cuscuta californica var. californica Lowell Ahart; Josephine Guardino 2005-8-9 12277 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC117573  Cuscuta occidentalis Lowell Ahart 2016-7-9 21095 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
  RSA104168  Cycladenia humilis Mrs. R. M. Austin 1881-06 s.n. Plumas [Unspecified] Comment
  UC193373  Cycladenia humilis var. humilis J. G. Lemmon Plumas Peaks of Plumas Co. Comment
  UC405210  Cycladenia humilis var. humilis J. G. Lemmon July 1872 119 Plumas slopes Greenville and Lopen Peaks Comment
  CDA14040  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1996-8-1 13412 Plumas Sierra Nevada; approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  UC333599  Cynoglossum occidentale J. G. Lemmon 1866-3-31 Plumas Comment
  UCD144320  Cynoglossum occidentale G. F. Hrusa; T. D. Wilfred 1996-8-1 13412 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  CAS-BOT-BC114133  Cyperus squarrosus Thomas H. Kearney 1944-8-14 15 Plumas Near Prattville, Lake Almanor. Comment
  CHSC34310  Cyperus squarrosus L. Ahart 1981-9-6 3085 Plumas On a sandbar along Indian Creek, ca.1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  SEINET7582966 Image available Cyperus squarrosus Unknown 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1356 Comment
  RSA89860  Cypripedium californicum Lee W. Lenz 1954-6-8 19136 Plumas 3.5 miles N of Beldon on road to Caribou Comment
  SD7401  Cypripedium californicum Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SEINET10470086  Cypripedium fasciculatum Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4020 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
  CAS-BOT-BC70671  Cystopteris fragilis John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2214 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC10611  Cystopteris fragilis Lowell Ahart 1970-6-25 57 Plumas 6 miles NW of La Porte. 1828 Comment
  RSA212130  Cystopteris fragilis L. S. Rose 1969-6-23 69046 Plumas 10 mi SW of Quincy; La Porte Road 1250 Comment
  SD9848  Cystopteris fragilis Mrs. R. M. Austin 1876-1 Plumas Comment
  SD9974  Cystopteris fragilis Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC189785  Dactylis glomerata Mary S. Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  RSA233763  Damasonium californicum Robert F. Thorne, C. W. Tilforth 1969-9-6 39249 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  SD6434  Damasonium californicum Daniel Cleveland 1882-7-22 Plumas Prattville Comment
  CAS-BOT-BC186627  Danthonia californica Clarence R. Quick 1966-7-7 66 37 A Plumas E. of Cottonwood Creek crossing, ca. 3 m. s. of w. end of Humbug Valley 1402 Comment
  CHSC44558  Danthonia californica var. americana Lowell Ahart 1977-8-2 1532 Plumas In a meadow and east of the county road, about 2 miles south-west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  UCD60723  Danthonia californica var. americana R. Tofsrud 1948-7-23 Plumas 1.5 mi N of Quincy off Hwy 24-89. Comment
  UCD61323  Danthonia unispicata P. B. Kennedy; A. A. Heller 1907-7-3 8705 Plumas Hills above Red Clover Valley. Comment
  UCD61354  Danthonia unispicata G. Douglas Barbe; T. C. Fuller 1982-6-17 3852 Plumas East shore Frenchman Lake; Crystal Fishing Access. 1706 Comment
  RSA236757  Darlingtonia californica Larry E. DeBuhr, Gary D. Wallace 1972-5-21 595 Plumas Plumas Nat'l Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  UC1337984  Darlingtonia californica Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2703 Plumas 1/4 mi s junction of US Forest Service Roads 25N15 and 25N12 (vicinity of Butterfly Valley) 1082 Comment
  CAS-BOT-BC420648  Darmera peltata Clare B. Hardham 1961-6-15 7431 Plumas Junction of Indian Creek with Feather RIver. North of Quincy. Comment
  SEINET8693220  Delphinium W. Harnach, N. Harnach 2006-5-29 1228 Plumas 0.5 mile S of Hwy 70 on A-23, W at R/R crossing, then 1.5 miles W along road. 1512 Comment
  UC9155  Delphinium andersonii Mrs. C. C. Bruce June 1898 2239 Plumas Dye place Comment
  CAS-BOT-BC8919  Delphinium depauperatum John Thomas Howell; Gordon H. True 1967-7-11 43326 Plumas about 3 miles southeast of Mt. Hough 1706 Comment
  CHSC21102  Delphinium depauperatum F. T. Griggs; A. Pass 1975-7-1 4 Plumas Buck's Lake. East of Grizzly Creek. Comment
  CHSC21584  Delphinium depauperatum D. E. Brink Jr.; L. M. Mayer 1975-7-16 Plumas Bucks Lake. In a meadow at the west edge of the middle of the section. Comment
  UCR246739  Delphinium gracilentum G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-26 3362 Plumas wooded area 0.3 mi southwest of Bucks Summit, meadow southeast of the road formed by Bucks Creek 1656 Comment
  RSA95488  Delphinium gracilentum L. S. Rose 1954-5-30 54068 Plumas Johnsville 1601 Comment
  SBBG18111  Delphinium nudicaule C. B. Hardham 1961-6-16 7458 Plumas Diamond Peak [Diamond Mountain] Comment
  JEPS60599  Delphinium nudicaule E. Fritz 1936-5-27 Plumas Spring Hill trail Meadow Valley 1371 Comment
  CAS-BOT-BC116097  Delphinium nuttallianum J. T. Howell; Gordon H. True 1967-7-11 43325 Plumas Coniferous forest about 3 miles southeast of Mt. Hough 1706 Comment
  CHSC45506  Delphinium nuttallianum Lowell Ahart 1975-7-20 906 Plumas Seep, about 1 mile north of the Bunker Hill Mine, about 11 miles north-east of La Porte. 1828 Comment
  UC136341  Delphinium nuttallianum Mrs. A. L. Coombs July 1902 Plumas Prattville Comment
  UC570173  Delphinium nuttallianum E. Sawyer 1935-5-23 47 Plumas 3.5 mi e Hawks; Sierraville Quadrangle 1615 Comment
  CAS-BOT-BC116124  Delphinium nuttallianum R. K. Wellman 1981-5-15 031 Plumas Sierra Valley Marsh 2 mi. E. of cty rd. A-23 on Marble Hot Springs Rd. 1402 Comment
  SD243405  Delphinium nuttallianum G. Douglas Barbe, T. C. Fuller 1982-7-16 3778 Plumas Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  RSA8019  Dendromecon rigida Unspecified 1927-7-3 763 Plumas Near Blairsden 1372 Comment
  POM147074  Dendromecon rigida Alice Eastwood 1927-6-27 14917 Plumas United States Forest Reserve Comment
  UC174592  Deschampsia cespitosa A. A. Heller and P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  SEINET10515908  Deschampsia cespitosa Walter Knight, Irja Knight 1966-6-18 Knight 1381 A Plumas Butterfly Valley. 1128 Comment
  CHSC65877  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1995-10-25 4947 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC96058  Deschampsia cespitosa subsp. cespitosa L. P. Janeway; B. Castro 2006-9-9 8881 Plumas High Cascade Range. West shore of Jedidian Colter Lake (between Blue Lake and North Arm Rice Creek). 1981 Comment
  UC1131410  Deschampsia cespitosa subsp. cespitosa Beryl O. Schreiber 1938-7-9 2523 Plumas 1 mi. e. Meadow Valley; Plumas Nat'l Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC198162  Deschampsia danthonioides Catherine Best 1979-6-6 s.n. Plumas On Highway 89, 2 miles west of spring Garden Comment
  RSA88584  Deschampsia danthonioides L. S. Rose 1954-5-30 54064 Plumas Johnsville 1601 Comment
  UC1131438  Deschampsia danthonioides E. Sawyer 1935-6-27 184 Plumas 1.6 mi. e.-n.e. Grizzly Peak; Sierraville Quad. Comment
  CAS-BOT-BC201896  Deschampsia elongata Lowell Ahart 1985-7-3 5100 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-east of La Porte 1584 Comment
  CHSC40275  Deschampsia elongata Lowell Ahart 1985-7-3 5100 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-east of La Porte. 1584 Comment
  JEPS110430  Deschampsia elongata Lowell Ahart 2006-7-9 12931 Plumas Near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Resevoir 1678 Comment
  UCD63490  Deschampsia elongata G. L. Stebbins Jr. 1939-7-6 2897 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CHSC43430  Descurainia incana Lowell Ahart 1975-7-20 911 Plumas Near Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC43037  Descurainia incisa subsp. incisa Lowell Ahart 1986-7-1 5331 Plumas Sierra Nevada. Along Bunker Hill Creek, at the Bunker Hill Mine, ca. 11 miles northeast of La Porte. 1889 Comment
  CAS-BOT-BC43502  Descurainia sophia John Thomas Howell; Gordon H. True 1968-6-10 44555 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC43503  Descurainia sophia John Thomas Howell 1955-7-19 30787 Plumas Sierra Nevada. Vinton. 1505 Comment
  CAS-BOT-BC43505  Descurainia sophia David D. Keck 1932-7-3 1664 Plumas Northern Sierra Nevada. Quincy, within a few meters of the main street. 1065 Comment
  CHSC21103  Dicentra formosa F. T. Griggs; A. Pass 1975-7-1 8 Plumas East of Grizzly Creek. Comment
  CHSC63152  Dicentra pauciflora Lowell Ahart 1994-6-29 7416 Plumas On the bank of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CAS-BOT-BC242665  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  RSA52856  Dichanthelium acuminatum var. fasciculatum R. Weatherby 1950-7-17 1467 Plumas Feather River Camp, 4 miles north of Quincy 1067 Comment
  SEINET194964  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray's Flat on the Feather River Highway 869 Comment
  CAS-BOT-BC502664  Dichelostemma multiflorum John Thomas Howell 1975-6-16 51150 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC502675  Dichelostemma multiflorum A. A. Heller; B. B. Kennedy 1907-7-8 8768 Plumas Near Greenville Comment
  JEPS113539  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
  JEPS113436  Dieteria canescens var. shastensis Lowell Ahart, John Dittes 2007-8-9 14446 Plumas On the north side of the poor dirt road, about 400 yards southwest of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC21558  Diplacus layneae L. M. Mayer; D. E. Brink Jr. 1975-7-2 Plumas Bucks Lake Floristic Survey. Found in the n portion of the section. Comment
  CAS-BOT-BC151857  Diplacus mephiticus Alice Eastwood 1927-6-1 14592 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC74002  Diplacus mephiticus L. Gehrung 1995-9-21 Plumas On Lumpkin Ridge, ca. 1.2 air mi NW of Little Grass Valley Reservoir, on N side of Lumpkin Ridge Road (USFS Rd 22N27) ca 0.3 mi W of its jst with USFS Rd 22N94. 1722 Comment
  SJSU15158  Diplacus mephiticus N. A. Hopkins 1993-6-16 1729 Plumas Beckwourth-Janesville Rd N of Milford Fork 1524 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CHSC20824  Diplacus torreyi K. R. Stern 1975-7-23 5836 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC151688  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Near Drakesbad Comment
  SD46737  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near middle Fork Feather River 1615 Comment
  CHSC21290  Dodecatheon alpinum F. T. Griggs; A. Pass 1975-7-17 206 Plumas Buck;s Lake Forest Survey. Comment
  CHSC36213  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas Abundant in wet meadow in McRae Meadows, ca. 6 mi w of Mohawk. 1889 Comment
  UC635665  Downingia bacigalupii H. L. Mason 1924-6-26 1092 Plumas Blairsden Comment
  POM98580  Downingia bacigalupii F. W. Peirson 1926-6-21 6802 Plumas Lake Almanor. Comment
  RSA52924  Downingia bacigalupii R. Weatherby 1950-7-28 1488 Plumas Indian Creek Canyon N of Taylorsville. 1067 Comment
  UC880655  Draperia systyla Lewis S. Rose 1939-6-7 39251 Plumas Pulga 426 Comment
  CAS-BOT-BC401583  Drosera rotundifolia Malcom A. Nobs; S. Galen Smith 1949-8-19 1446 Plumas At Butterfly Valley Comment
  CHSC36317  Drosera rotundifolia M. S. Taylor; H. Swanson 1982-8-11 4975 Plumas Beaver trail at s end of Jamison Creek Campground, ... Field redacted by CHSC, contact the data manager for more information 1712 Comment
  CHSC92964  Drosera rotundifolia L. P. Janeway; B. Castro 2005-9-11 8544 Plumas Northern High Sierra Nevada. Middle of the fen ab ... Field redacted by CHSC, contact the data manager for more information 1893 Comment
  UC1127100  Drosera rotundifolia Beryl O. Schreiber 1938-7-10 2532 Plumas near Meadow Valley (stagnant pond); Plumas National Forest, Bidwell Bar Quadrangle, Grubstake Fl 1066 Comment
  UC108327  Drosera rotundifolia Mrs. R. M. Austin 1896-1 369 Plumas Willow Lake; swamps Comment
  CAS-BOT-BC159586  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1970-8-9 17716 SS Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC534974  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2373 Plumas Sierra Nevada, in canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  JEPS114358  Drymocallis hansenii Lowell Ahart 2008-7-16 15088 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
  UC1527284  Drymocallis lactea var. austiniae Lowell Ahart 1986-7-8 5350 Plumas about 1 mi nw Pilot Peak (about 14 mi ne of La Porte); nw of Pilot Peak, ne of La Porte 1981 Comment
  CAS-BOT-BC159305  Drymocallis lactea var. lactea Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) - Sierra Nevada 2046 Comment
  UC1100260  Echinochloa crus-galli Malcolm A. Nobs and S. Galen Smith 1949-8-19 1413 Plumas about 2 mi s Greenville; Indian Valley Comment
  CDA1989  Echinochloa muricata var. microstachya G. D. Barbe, T. C. Fuller 1972-9-13 983 Plumas South of Spanish Creek, 0.2 miles N of county courthouse on State Hwy 70, Quincy. 0 Comment
  JEPS120773  Elatine Lowell Ahart 2013-9-11 19023 -A-L Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, about 15 air miles NE of Taylorsville. Comment
  SEINET10479913  Elatine Lowell Ahart 1985-7-11 Ahart 5122 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC81369  Elatine chilensis Lowell Ahart 2001-9-18 9288 Plumas Near Freeman Creek, on the strand of Lake Davis. 1758 Comment
  JEPS102513  Elatine chilensis Lowell Ahart 2001-9-18 9288 Plumas Near Freeman Creek, on the strand of Lake Davis. 1758 Comment
  CAS-BOT-BC113495  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  CAS-BOT-BC113506  Eleocharis bella Clare Butterworth Hardham 1985-8-1 30154 Plumas Antelope Reservoir, on silty soil. 1584 Comment
  CAS-BOT-BC113385  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 18 Plumas Near Prattville, Lake Almanor Comment
  JEPS113650  Eleocharis macrostachya Lowell Ahart, Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  UC1100583  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1949-8-18 1358 Plumas Lake Almanor, S end Comment
  POM313050  Eleocharis obtusa var. engelmannii Malcolm A. Nobs, S. Galen Smith 1949-8-18 1356 Plumas Drying mud flats at the south end of Lake Almanor Comment
  RSA0009473  Eleocharis obtusa var. engelmannii Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC84217  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1752 Comment
  CHSC116369  Eleocharis quinqueflora Sara M. Taylor; Scott Batiuk 2012-8-13 63 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd intersection. On foot, cross to the north side of the river and head WNW. UTM Zone 10, 4423080 N, 652386 E. 1890 Comment
  SEINET10912968 Image available Eleocharis torticulmis Lawrence P. Janeway, B. Castro 2000-7-3 Janeway 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. Gently sloping Darlingtonia fen. 1177 Comment
  CAS-BOT-BC197353  Elymus W. W. Wagner 1919-6-7 277 Plumas Sockum Creek, Vicinity of Quincy 1310 Comment
  CHSC36340  Elymus caput-medusae M. S. Taylor 1982-6-28 4774 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pasture, in drainages, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC112552  Elymus elymoides var. brevifolius B. Castro; L. P. Janeway 2009-8-29 1800 D Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.13 mi S of the Buckhorn survey monument; 0.2 mi upslope of the jcn of USFS Rd 23N69 and Rd 23N36Y (to Martin Mine). 1926 Comment
  CDA18576  Elymus glaucus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3304 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CAS-BOT-BC206517  Elymus glaucus subsp. glaucus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2213 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity 883 Comment
  UCD62343  Elymus glaucus subsp. glaucus Beecher Crampton 1954-7-5 2042 Plumas Along Hwy 89, 1.5 miles north of Greenville. Comment
  CHSC112379  Elymus hispidus L. P. Janeway 2014-7-17 11562 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  UCD62471  Elymus multisetus R. Tofsrud 1948-7-1 Plumas Quincy. Comment
  CAS-BOT-BC204249  Elymus trachycaulus subsp. subsecundus John Thomas Howell 1960-7-18 35607 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC204410  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1951-6-27 27566 Plumas Johnsville 1584 Comment
  CHSC54544  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald 1991-8-8 4814 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. In a meadow located here. 1670 Comment
  CHSC112572  Elymus triticoides B. Castro; L. P. Janeway 2007-6-7 1649 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, 500 to 550 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  SEINET10561203  Elymus triticoides subsp. multiflorus Frederick J. Hermann 1955-7-27 Hermann 11946 Plumas Dried swale along highway. Vinton. Comment
  JEPS107604  Elytrigia intermedia subsp. intermedia Lowell Ahart, Josephine Guardino 2005-8-10 12310 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  UC1523802  Elytrigia intermedia subsp. intermedia Gary Schoolcraft 1982-7-27 818 Plumas n Chilcoat 1645 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
  SD7372  Epilobium angustifolium R. W. Austin 1882-7-20 Plumas Big Meadows Comment
  JEPS122087  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. Comment
  JEPS33711  Epilobium brachycarpum John Thomas Howell 1926-7-23 2095 Plumas near Prattville 1463 Comment
  RSA246597  Epilobium brachycarpum Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42352 Plumas Plumas National forest: Along Highway 70, 2 miles N of Quincy 1098 Comment
  UC125426  Epilobium brachycarpum D. Cleveland July 1882 Plumas Big Meadows Comment
  CAS-BOT-BC171703  Epilobium canum subsp. latifolium Lowell Ahart 1986-9-10 5392 Plumas Along the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 Comment
  CAS-BOT-BC171715  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 s.n. Plumas Feather River Canyon Comment
  CHSC4682  Epilobium canum subsp. latifolium R. Carter 1966-7-10 475 Plumas Found 2 mi. N of Bucks summit along W side of Oroville-Quincy Rd., on cliff above road. 1615 Comment
  POM172125  Epilobium canum subsp. latifolium J. G. Lemmon 1874-09 s.n. Plumas [no additional locality information provided] Comment
  CHSC81386  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-9-18 9285 Plumas Near the edge of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  SEINET6637182 Image available Epilobium ciliatum subsp. ciliatum Clarissa Kimber 1962-1 230 Plumas Upper Butterfly Valley, 25 mi W turn off Hwy 89-US 40 alt. 1 mi S of Keddie; Greenville Quadrangle 1158 Comment
  POM262915  Epilobium ciliatum subsp. glandulosum Herbert McLean Evans 1922-07 s.n. Plumas Willow Lake. Mt. Lassen National Park. Comment
  CHSC75925  Epilobium densiflorum G. F. Hrusa 1996-8-2 13439 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Above Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  CHSC97105  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2007-7-21 14383 Plumas Sides of a small drying stream, about 60 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  UC965552  Epilobium densiflorum Herbert L. Mason 1952-7-17 14380 Plumas along Western Pacific tracks just s Beckwourth; Sierra Valley 1524 Comment
  CHSC102084  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart; John Dittes 2009-7-13 16048 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC80843  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-7-19 8943 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS106078  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2004-7-27 11316 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  UC54449  Epilobium glaberrimum subsp. glaberrimum H. M. Hall and E. B. Babcock July, 1903 4452 Plumas Red Clover Canyon Sierra Nevada Mountains (along streams) 1584 Comment
  CHSC80842  Epilobium hallianum Lowell Ahart 2001-7-17 8921 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC88008  Epilobium hallianum Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11163 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS106050  Epilobium hallianum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11163 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CHSC21569  Epilobium hornemannii subsp. hornemannii L. M. Mayer; D. E. Brink Jr. 1975-7-22 Plumas Bucks Lake. Found at the edge of a stream Comment
  JEPS95394  Epilobium obcordatum Lowell Ahart 1994-7-22 7490 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  CHSC87842  Epilobium oregonense Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11057 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  CAS-BOT-BC56998  Equisetum arvense Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC57001  Equisetum arvense Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  CAS-BOT-BC57401  Equisetum laevigatum John Thomas Howell; Gordon H. True 1967-7-9 43251 Plumas North Fork of Feather River, 3 miles southwest of Caribou 853 Comment
  SEINET6031840  Equisetum telmateia J. T. Howell, G. H. True., Jr. 1969-4-8 45485 Plumas Feather River Canyon at Storrie 549 Comment
  POM87292  Eremocarpus setiger Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET3164607  Eremocarpus setiger E. K. Balls 1950-9-14 15812 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  SEINET5336677  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC174179  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC101459  Eremogone cliftonii L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-7-1 9834 Plumas Northern High Sierra Nevada. Rock Island Ridge, a little west of Road 23N27 1.4 km south of Road 18, near survey monument 'Rock Island'; west edge of exposed rock and cliff overlooking Truck Ravine. 1564 Comment
  CHSC91474  Eremogone cliftonii L. P. Janeway 2005-6-26 8441 Plumas Northern High Sierra Nevada. Steep east-facing slope above Road 24N04, 0.3 km south of crossing of North Valley Creek (between North Valley Meadows and Lynch Meadows). 1347 Comment
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Jul 8 2014
  UC1125783  Eremogone cliftonii G. T. Nordstrom 1934-7-11 161 Plumas 2 1/2 mi w Bucks Mtn.; Bidwell Bar Quadrangle 1554 Comment
  UC852465  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas 12 mi w Bucks (Near the summit of Soapstone ridge); Sierra Nevada, Soapstone ridge 1676 Comment
  CHSC67486  Eremogone congesta var. congesta James D. Jokerst 1985-6-10 2407 Plumas Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CAS-BOT-BC174303  Eremogone congesta var. suffrutescens A. A. Heller; P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee [Genesee] Valley and Summit Comment
  CAS-BOT-BC174365  Eremogone kingii var. glabrescens M. S. Taylor; M. Foster 1981-6-8 3872 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1 1/2 mi n of w end of Lake Davis 1706 Comment
  CAS-BOT-BC174390  Eremogone macradenia var. macradenia Merrel Ackley; Alice Ackley 1967-5-15 s.n. Plumas Feather River Canyon (N. Fork) at Chambers Creek 609 Comment
  UC1562325  Eriastrum sparsiflorum Vernon Oswald and Lowell Ahart 1990-7-25 4400 Plumas on Hwy 70 0.9 mi e Vinton; Vinton Cemetary 1524 Comment
  UC1123888  Eriastrum wilcoxii C. W. Hanks 1934-8-6 6 Plumas ne end of Sierra Valley Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC286647  Ericameria bloomeri John Thomas Howell; Gordon H. True 1959-9-24 34956 Plumas Near Cromberg 1249 Comment
  CHSC72257  Ericameria bloomeri Vernon H. Oswald; Beth Corbin, Kim Earll 1998-9-22 9654 Plumas Along the east side of Yellow Creek south of the PG and E campground in Humbug Valley and ca. 0.5 mi north of Middle Camp. 1298 Comment
  RSA59682  Ericameria bloomeri E. K. Balls 1950-9-9 15751 Plumas About 1 mile west of Lakes Center Public Camp, trail to Long Lake outlet 2073 Comment
  UC1118682  Ericameria bloomeri C. G. Albertus 1935-8-15 268 Plumas 1.5 mi se Cates; Plumas National Forest, Downieville Quad. 1783 Comment
  SEINET5709307 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1512 Plumas 12.1 mi NW of Sattley along Hwy 89, abundant by roadside, sandy soil.; Sattley 1341 Comment
  CHSC20829  Ericameria nauseosa K. R. Stern 1975-7-24 5822 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC294285  Ericameria nauseosa var. speciosa E. K. Balls 1950-9-14 15819 Plumas 6 mi. northwest of Chester, North Fork Feather River 1402 Comment
  JEPS104418  Ericameria nauseosa var. speciosa Lowell Ahart 2003-10-17 10642 Plumas Above the cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2133 Comment
  JEPS118400  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  JEPS96047  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas Forest road 29N11 Last Chance Campground (on e side of marsh, n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  UC1730241  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas about 0.6 mi S of Pilot Peak (along Pacific Crest Trail at jct of Bunker Hill Ridge and Gibsonville Ridge) 2072 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
  CHSC20848  Erigeron canadensis K. R. Stern 1975-7-23 5803 Plumas Pit of Peninsula, Lake Almanor. 1371 Comment
  JEPS100353  Erigeron chrysopsidis var. austiniae Dean W. Taylor 2001-6-28 17824 Plumas Diamond Mountains, Crystal Peak, along the ridgeline at the summit Sierra Nevada 2377 Comment
  CDA13411  Erigeron coulteri G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13260 Plumas Sierra Nevada; immed. below headwaters of Bull Run Creek off USFS 23N12E. Comment
  SEINET8667134 Image available Erigeron divergens W. Harnach, N. Harnach 1990-6-19 398 Plumas Sierra Valley. Approx 3 road miles N of Beckwourth on Genesse [Genessee] Rd 1585 Comment
  CAS-BOT-BC296004  Erigeron divergens Gladys L. Smith 1976-6-7 4551 Plumas Rte. 70 6 miles east of Quincy at Spring Garden Sta. 1219 Comment
  SD64328  Erigeron divergens Darley F. Howe 1966-8-23 Plumas 22 miles south of Quincy on Highway 89. 1310 Comment
  CHSC53127  Erigeron eatonii var. plantagineus L. P. Janeway; Linnea Hanson 1989-6-28 3406 Plumas Squaw Valley; NE quadrant of jct of roads '01' (to Frenchman Lake) and '70' (to Laufman). 1706 Comment
  CAS-BOT-BC300401  Erigeron eatonii var. plantagineus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54347 Plumas 4.8 miles northwest of Antelope Reservoir 1661 Comment
  CAS-BOT-BC300408  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest, Beckwourth Ranger District. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road 1697 Comment
  CHSC106220  Erigeron eatonii var. sonnei Arthur C. Barrett 1915-7-15 3 Plumas Indian Creek, near Boulder Cr. 1645 Comment
  HSC89395  Erigeron eatonii var. sonnei L. P. Janeway 1989-6-23 3383 Plumas Upper slope overlooking Crocker Meadow from the E 1890 Comment
  RSA712640  Erigeron filifolius var. filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. West-facing slope of soft decomposed granite soil with scattered rounded granite boulders 1884 Comment
  CAS-BOT-BC300837  Erigeron glacialis var. glacialis Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC300840  Erigeron glacialis var. glacialis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54104 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  JEPS41395  Erigeron glacialis var. glacialis Mrs. Emanuel Esther C. Fritz 1933-7-15 Plumas on summit near road Spanish Peak 2133 Comment
  CHSC75456  Erigeron inornatus var. calidipetris G. F. Hrusa; B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada. On S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. [Original lat./long. on label is '39 53 N; 120 39 W']. 1800 Comment
  CHSC53131  Erigeron inornatus var. inornatus L. P. Janeway 1990-7-13 3798 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  HSC39438  Erigeron inornatus var. inornatus J. O. Sawyer 1976-8-5 2930 Plumas Bucks Summit E of Bucks Lake Comment
  SEINET10474627  Erigeron inornatus var. viscidulus Mary Susan Taylor 1981-8-25 Taylor 4238 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  CHSC73930  Erigeron lassenianus var. deficiens B. Castro; L. Gehrung 1998-10-1 850 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just west of Pilot Peak and overlooking upper end of S Fork Feather River. On N side river's crossing of USFS Rd 22N60, NW of the Pacific Crest Trail, at upper end of open band of serpentine which runs in a NW direction from ctr of section. At W edge of band. 1990 Comment
  CAS-BOT-BC295497  Erigeron lassenianus var. lassenianus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  JEPS95010  Erigeron petrophilus var. sierrensis Vernon Oswald and Lowell Ahart 1997-9-18 8878 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 3.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 to Mosquito Creek 1335 Comment
  UC1609297  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas about 1 air mi sw Pilot Peak (near w side of river); South Fork of Feather River 2072 Comment
  LA212260  Erigeron philadelphicus Jim R. Shevock; 1972-5-19 1789 Plumas Hwy. 89 near Indian Falls dump area. 609 Comment
  UC1118182  Erigeron pumilus var. intermedius E. Sawyer 1935-6-27 164 Plumas Charlies Valley Sierraville Quad., Plumas national Forest, Charlies Valley 1524 Comment
  CAS-BOT-BC300262  Erigeron reductus var. reductus L. S. Rose 1932-9-5 32621 Plumas Jamison Lake 1981 Comment
  NY803687  Eriogonum douglasii var. meridionale J. L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service Roads 28N01 and 28N70 on flat west of highway, 11.9 airmiles NNW of Beckwourth. 1707 Comment
  SJSU15164  Eriogonum douglasii var. meridionale N. A. Hopkins 1993-6-16 1725 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CHSC37711  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Rd (23N48), ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 1645 Comment
  CAS-BOT-BC259355  Eriogonum lobbii Lewis S. Rose 1932-9-5 32619 Plumas Jamison Lake 1889 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
  LA206884  Eriogonum marifolium C. W. Hallis; June 1730 1928 sn Plumas Mount Lassen, Lassen National Park Comment
  CAS-BOT-BC263298  Eriogonum marifolium var. marifolium John Thomas Howell 1951-6-28 27693 Plumas Eureka Peak 2133 Comment
  CHSC21353  Eriogonum nudum var. deductum F. T. Griggs; A. Pass 1975-7-8 130 Plumas Buck's Lake. Comment
  CHSC33514  Eriogonum nudum var. deductum L. P. Janeway 1992-7-30 4297 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket 1828 Comment
  JEPS115796  Eriogonum nudum var. deductum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15864 -C Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  RSA52899  Eriogonum nudum var. deductum R. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2226 Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  UC1032194  Eriogonum nudum var. deductum G. T. Nordstrom 1934-7-3 180 Plumas 1 3/4 mi s by se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCSC009441  Eriogonum nudum var. deductum Lowell Ahart 1995-9-13 7634 Plumas On the north-east side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak 1829 Comment
  CHSC69216  Eriogonum nudum var. nudum J. D. Jokerst 1984-9-22 2149 Plumas Top of ridge separating Yellow Cr and the N Fk Feather River along USFS road 26N26. 1463 Comment
  CHSC84946  Eriogonum nudum var. nudum Lowell Ahart 2003-10-26 10679 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  CAS-BOT-BC261599  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54314 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  CAS-BOT-BC261603  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54314 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  POM161732  Eriogonum nudum var. oblongifolium R. C. Bacigalupi 1927-7-12 1725 Plumas at Quincy Junction Station 1067 Comment
  CAS-BOT-BC271973  Eriogonum nudum var. pubiflorum Thomas H. Kearney 1944-8-14 38 Plumas Near Prattville, Lake Almanor Comment
  JEPS56580  Eriogonum ovalifolium J. G. Lemmon Sept. 1878 Plumas Plumas County Comment
  RSA21706  Eriogonum pedunculatum Carl B. Wolf 1937-8-6 9066 Plumas Northern Sierra Nevada, Mohawk Valley, 2 mi N of Blairsden. 1341 Comment
  SEINET3814149 Image available Eriogonum spergulinum Lewis S. Rose 1932-9-7 32646 Plumas Bear Lakes. 1981 Comment
  SEINET3405024 Image available Eriogonum spergulinum subsp. reddingianum A. A. Heller, B. B. Kennedy 1907-7-11 8801 Plumas Prattville Comment
  CAS-BOT-BC269956  Eriogonum spergulinum var. reddingianum Alice Eastwood 1927-6-27 14888 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  CHSC53054  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Plumas National Forest Beckwourth Ranger District. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  CAS-BOT-BC267491  Eriogonum umbellatum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley (E. side of valley) 1082 Comment
  CAS-BOT-BC267498  Eriogonum umbellatum Albert Senenes; Gregory Whipple 1970-11-12 s.n. Plumas Outskirts of Quincy, at site of projected Feather River Junior College Comment
  CDA13437  Eriogonum umbellatum var. dumosum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13284 Plumas Sierra Nevada; Dry, rocky ridgetop on USFS 23N11A, N of Hwy 70, E - 6-7 mi. from Spring Garden. 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
  CHSC21688  Eriogonum umbellatum var. modocense D. Brink; L. Mayer 1975-8-2 Plumas Buck's Lake. Comment
  CAS-BOT-BC262076  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC265159  Eriogonum umbellatum var. nevadense John Thomas Howell 1962-6-18 37795 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC265165  Eriogonum umbellatum var. nevadense Lewis S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  CHSC53059  Eriogonum umbellatum var. nevadense L. P. Janeway 1990-7-25 3809 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Just above Emigrant Creek and 1 1/4 mi south of Little Grizzly Creek. Steep southeast-facing volcanic rock outcropping. 1950 Comment
  JEPS113426  Eriogonum umbellatum var. nevadense Lowell Ahart, John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  LA207047  Eriogonum umbellatum var. nevadense Joseph Andorfer Ewan; 1934-7-16 8511 Plumas Sierra Nevada, Long Lake, Mt. Elwell region 2072 Comment
  UC565991  Eriogonum umbellatum var. nevadense E. Sawyer 1935-6-24 143 Plumas 4 1/2 mi ne Crow; Sierraville Quadrangle 1889 Comment
  SEINET10479559  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-18 Taylor 5011 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
  RSA79256  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-9 18129 Plumas Just n.w. of Spring Garden, Hwy 89, between Portola and Quincy. 1220 Comment
  CAS-BOT-BC262242  Eriogonum ursinum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region 1981 Comment
  CAS-BOT-BC262254  Eriogonum ursinum Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  POM161733  Eriogonum ursinum R. C. Bacigalupi 1927-7-7 1647 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  UCD101329  Eriogonum ursinum John Thomas Howell 1975-7-22 51366 Plumas in the Transition Life Zone, 2 miles northwest of Spring Garden. 1173 Comment
  NY323637  Eriogonum ursinum Mrs. Ames s.n. Plumas Light's Canyon Comment
  POM253220  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas 3 miles east of Quincy. 1098 Comment
  SEINET10479577  Eriogonum ursinum Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3825 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  UCD101335  Eriogonum ursinum Margaret Williams; E. McPherson 1974-8-5 P 13 Plumas above Silver Lake on trail to Mt. Elwell, Lakes Basin. 2164 Comment
  CAS-BOT-BC264132  Eriogonum vimineum John Thomas Howell 1959-9-21 34740 Plumas Belden, Sierra Nevada 701 Comment
  CHSC25326  Eriogonum vimineum M. Hayes; Warner 1977-8-12 29 Plumas 10 mi ne of Belden, along the n fork of the Feather River. Along the roadside. 838 Comment
  CHSC34927  Eriogonum vimineum M. S. Taylor 1981-8-31 4255 Plumas Both sides of Hwy 89, ca. 0.5 mi s of Clio. 1341 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
  OBI10941  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp, near Belden 671 Comment
  UC473443  Eriogonum vimineum M. S. Jussel 1931-9-6 Plumas Road to Mt. Lassen 5 mi w Westwood 1828 Comment
  CAS-BOT-BC300952  Eriophyllum lanatum Lloyd W. Swift 1931-5-25 50 Plumas Plumas National Forest. Murdock Crossing 1676 Comment
  CHSC21188  Eriophyllum lanatum var. grandiflorum F. T. Griggs; A. Pass 1975-7-12 166 Plumas Buck's Lake. Comment
  SD230169  Eriophyllum lanatum var. grandiflorum Louis C. Wheeler 1959-7-15 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  UC580658  Eriophyllum lanatum var. grandiflorum G. T. Nordstrom 1934-7-2 171 Plumas 1 mi se Mt. Ararat; Bidwell Bar Quadrangle Comment
  RSA34823  Eryngium alismifolium Roxana S. Ferris, Laura Lorraine 1941-8-9 10424 Plumas At Lake Almanor Public Camp (near village) Comment
  CAS-BOT-BC54327  Erysimum capitatum John Thomas Howell; Gordon H. True 1967-5-9 42209 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CDA18678  Erysimum capitatum var. capitatum G. D. Barbe, T. C. Fuller 1982-6-15 3726 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC41128  Erysimum capitatum var. capitatum J. D. Jokerst 1977-4-4 30 Plumas On w. bank of Chips Creek, 400 m. nw. of North Fork Feather River, ca. 1.5 km. ese. of Belden. 735 Comment
  RSA7881  Erysimum capitatum var. capitatum H. A. Barker 1927-7-6 783 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  CAS-BOT-BC153745  Erythranthe alsinoides H. C. Cantelow 1938-7-4 2322 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  CHSC9725  Erythranthe cardinalis Nancy Mosman 1971-7-11 94 Plumas Along w. side of Hwy 70 ca. 3.2 mi s of Belden. 1025 Comment
  CAS-BOT-BC151494  Erythranthe filicifolia W. D. Dakan 1974-4-28 s.n. Plumas North Fork Feather River 1/2 mile below the mouth of Rock Creek, between Storrie and Elephant Butte Tunnels 548 Comment
  CHSC20739  Erythranthe guttata K. R. Stern 1975-7-24 5877 Plumas E shore of Lake Almanor. Comment
  SEINET14291770  Erythranthe guttata W. Harnach, N. Harnach 1990-6-19 406 Plumas Sierra Valley, Sugarloaf Road. 1643 Comment
  CHSC53221  Erythranthe primuloides L. P. Janeway 1989-6-30 3426 Plumas Narrow meadow along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CHSC97072  Erythranthe primuloides Lowell Ahart; Josephine Guardino 2007-7-21 14365 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. 1787 Comment
  SJSU15166  Erythranthe suksdorfii N. A. Hopkins 1993-5-27 1723 .5 Plumas c. 3 mi S of Portola Comment
  CAS-BOT-BC502826  Erythronium multiscapideum John Thomas Howell; Gordon H. True 1967-5-9 42231 Plumas Sierra Nevada, southeast side of North Fork of Feather River at Pulga Bridge Comment
  CHSC21603  Erythronium purpurascens L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC110554  Eschscholzia John Thomas Howell 1959-9-24 34964 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1478 Comment
  CAS-BOT-BC403356  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 miles east of Quincy 1097 Comment
  CAS-BOT-BC310386  Eucephalus breweri M. S. Taylor 1981-7-17 4032 Plumas Bear Lakes trail in Lakes Basin; ca. 1/2 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  UCD142382  Euphorbia crenulata Robbins; Raynor 1943-6-1 s.n. Plumas Belden, Feather River Canyon. Comment
  CAS-BOT-BC310545  Eurybia integrifolia M. B. Kildale 1926-9-11 2776 Plumas Chester 1289 Comment
  CHSC117627  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas On the east 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
  CHSC69489  Festuca arundinacea James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2549 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  CAS-BOT-BC278462  Festuca idahoensis M. S. Taylor 1982-6-14 4663 Plumas N side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville 1524 Comment
  CHSC53177  Festuca idahoensis L. P. Janeway 1989-6-30 3446 Plumas Plumas National Forest. Along rd 24N45Y 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
  UC580751  Festuca idahoensis E. Sawyer 1935-6-25 151 Plumas 0.5 mi n Crow; Plumas National Forest, Sierraville Quad. 1676 Comment
  CAS-BOT-BC278855  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  CHSC94133  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  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-BC279019  Festuca rubra Clare B. Hardham 1970-8-8 17703 E Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC279025  Festuca rubra John Thomas Howell 1967-6-23 42739 Plumas Lewisia Rock 3.5 miles sw. of Belden, Feather River Canyon 609 Comment
  CHSC97107  Festuca rubra Lowell Ahart; Josephine Guardino 2007-7-21 14359 Plumas Along a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  JEPS115899  Festuca rubra Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16124 Plumas Edge of a meadow or seep, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  POM112017  Festuca rubra Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UCD66363  Festuca rubra Collector Unknown Date Unknown 4652 Plumas Sierra Valley. Comment
  CHSC84337  Festuca subulata Lowell Ahart 2003-8-13 10506 Plumas On the east side of Hopkins Creek, about 1/8 mile south of where Hopkins Creek forks, southwest of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CHSC40918  Floerkea proserpinacoides Lowell Ahart 1977-6-20 1437 Plumas Meadow, 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  SEINET10495208  Floerkea proserpinacoides Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4196 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
  SEINET10837360  Floerkea proserpinacoides Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3834 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CHSC98707  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-13 9190 Plumas Northern High Sierra Nevada. At Road 23N20 crossing of Little Schneider Creek. 1308 Comment
  CHSC98921  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9206 Plumas Northern High Sierra Nevada. Along Soda Creek and Road 25N22 1.2 km northwest of Hwy 70 and West Branch North Fork Feather River. 942 Comment
  HSC99897  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-13 12053 Plumas Plumas National Forest, near pond. 1677 Comment
  HSC99901  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12050 Plumas Plumas State Park, roadside along Jamison Creek W of Eureka. 1616 Comment
  CHSC108712  Frangula purshiana subsp. ultramafica B. Castro; L. P. Janeway 2001-7-22 1353 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In open rocky areas up from road (the western extension of USFSRd 23N69). 1798 Comment
  CHSC98926  Frangula purshiana subsp. ultramafica L. P. Janeway; B. Castro 2007-8-18 9196 Plumas Northern High Sierra Nevada. Along Caribou Road and North Fork Feather River 6.6 road km north of Hwy 70. Near and next to a rocky spring above the road. 796 Comment
  CAS-BOT-BC53799  Frangula rubra subsp. rubra Alice Eastwood 1927-6-27 s.n. Plumas On road from Chilcatt Comment
  CDA18747  Fritillaria atropurpurea G. D. Barbe, T. C Fuller 1982-7-16 3771 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CAS-BOT-BC505268  Fritillaria atropurpurea Mary Strong Clemens 1920-1-1 s. n. Plumas Greenville Comment
  UC429297  Fritillaria atropurpurea H. M. Hall 1912-7-7 9306 Plumas Sierra Nevada Mountains, Jameson Creek Jameson Creek; Sierra Nevada Mountains, Jameson Creek 1920 Comment
  CAS-BOT-BC504449  Fritillaria recurva W. W. Wagner 1919-6-7 271 Plumas Sockum Creek, vicinity of Quincy 1371 Comment
  SEINET8480221  Fritillaria recurva A. Miller 1933-5-30 2091 Plumas [Red] Clover Creek, near Beckwith [sic]. Comment
  UC337828  Fritillaria recurva unknown 1889-5-26 Plumas Mohawk Valley, Culver's Ranch Mohawk Valley; , Culver's Ranch Comment
  CHSC101793  Galium aparine Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC117452  Galium bifolium Lowell Ahart 2016-6-29 21079 Plumas About 20 yards east of Forest Service Road 22N72, about 1/4 mile sourtheast of Table Mountain, about 1 3/4 miles (air) northwest of Tamarack Flat, about 3 3/4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1760 Comment
  SD6280  Galium boreale Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  SEINET10500721  Galium grayanum Mary Susan Taylor 1982-8-5 Taylor 4932 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  RSA518972  Galium grayanum var. grayanum Barbara Ertter, Gary Schoolcraft 1989-7-3 8641 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville 2134 Comment
  POM312366  Galium trifidum Malcolm A. Nobs, S. Galen Smith 1949-8-18 1392 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  UCD121932  Galium trifidum G. F. Hrusa 1992-10-8 10496 Plumas Northeast corner of Snake Lake. Immediate end of vehicle access road. 1219 Comment
  CHSC35271  Galium trifidum var. pacificum M. S. Taylor 1981-8-5 4171 Plumas In Indian Valley, S side of Hwy 206, 1.5 mi E of its jct with Hwy 89 just N of Cresent Mills. 1066 Comment
  CHSC20813  Galium triflorum K. R. Stern 1975-7-24 5827 Plumas Lake Almanor. 1371 Comment
  UCR87994  Galium triflorum Walter Knight, J. T. Howell, I. Knight 1966-7-26 1570 Plumas Northern Sierra Nevada Mtns., Butterfly Botanical Area and vicinity; Fern Glen 1113 Comment
  UC917334  Galium triflorum J. M. Tucker 1948-7-25 1743 Plumas at mine of United Mining Company Camel's Peak, Pinchard Creek (sw side of peak) 1524 Comment
  CAS-BOT-BC169855  Garrya fremontii M. S. Taylor; L. Hanson 1981-3-5 3399 Plumas n side of Hwy 70, in Serpentine Canyon, ca. 5 mi e of Belden 853 Comment
  UC192034  Garrya fremontii Mrs. R. M. Austin Apr 1877 Plumas Comment
  SEINET5765234  Garrya fremontii H. N. Mozingo 1979-4-24 79 -35 Plumas 2.4 miles E. of Quincy, along Rte. 89. 1067 Comment
  JEPS127121  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  JEPS114515  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2008-8-14 15197 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  POM183993  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 s.n. Plumas Drakesbad 1829 Comment
  SD130496  Gayophytum heterozygum Clarence R. Quick 1963-7-24 Plumas Cut over forest on shoulder of east-west ridge 1.5 miles east of Wheeler Peak. Comment
  SD46716  Gayophytum humile Robert J. Weatherby 1955-7-2 1589 Plumas Common in dry meadow. Red Fir Forest. Wilcox Valley. 1768 Comment
  SEINET10841106  Gayophytum humile Lowell Ahart 1985-7-11 Ahart 5142 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
  RSA60245  Gayophytum racemosum E. K. Balls 1950-9-2 15638 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  JEPS23193 Image available Gayophytum ramosissimum var. obtusum W. L. Jepson 1918-8-2 7755 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  JEPS113887  Gentiana calycosa L. P. Janeway 2007-8-12 9167 Plumas Northern High Sierra Nevada; Near Road 23N73Y 3.4 road km N of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km N-NW of Grizzly Summit. 1652 Comment
  SD46624  Gentiana calycosa Robert J. Weatherby 1955-8-16 1685 Plumas Meadow Valley area, Spring at Fales Hill Mine 1524 Comment
  UC1075701  Gentiana calycosa Robert J. Weatherby 1955-8-16 1685 Plumas spring at Fales Hill Mine Meadow Valley area 1524 Comment
  CAS-BOT-BC217429  Gentianopsis holopetala Martine Telford 1966-9-13 1 Plumas Darlingonia Bog, northernmost area in Butterfly Valley, Sierra Nevada Comment
  CAS-BOT-BC459557  Geum macrophyllum John Thomas Howell 1967-6-23 42683 Plumas Canyon of Butterfly Creek; Sierra Nevada 1036 Comment
  RSA95715  Gilia brecciarum Verne Grant 1955-6-8 20858 Plumas 17 miles north of Reno on Hwy 395 1311 Comment
  UC932069  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-6-13 8579 Plumas on Oroville Road 1 mi from Cascade (Lava Cap, southwestern Plumas County); Lava Cap, 1 mi from Cascade 1371 Comment
  UCD117716  Gilia capitata subsp. mediomontana Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  SDSU3088  Gilia leptalea subsp. bicolor R. M. Beauchamp 1965-7-17 Plumas Growing along Feather River at Chester, California. Comment
  CHSC105676  Gilia leptalea subsp. leptalea Lowell Ahart 2010-10-21 17306 Plumas About 80 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  UCSB40618  Githopsis specularioides Reisentz, Paul 1979-5-12 Plumas 11 miles north of Injum Jim campground on Hwy 70 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
  SEINET10920892  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 Ahart 12386 Plumas T27N, R11E, southwest 1/4 Section 35. 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
  RSA716686  Gnaphalium canescens subsp. thermale L. Ahart, John Dittes 2005-9-19 12405 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  CHSC21602  Gnaphalium palustre L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Comment
  CHSC33926  Gnaphalium palustre M. S. Taylor 1981-8-5 4162 Plumas At end of rd 28N05 where it is washed out by Pierce Creek, 2.1 mi n of 28N03-Fruit Growers Blvd, ca. 3 air mi w of Antelope Lake, ca. 13 air mi ne of Taylorsville. 1706 Comment
  JEPS33990  Gnaphalium palustre W. L. Jepson 1918-8-16 8010 Plumas Lights Creek Engels 1341 Comment
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  CAS-BOT-BC307382  Gnaphalium palustre John Thomas Howell 1977-8-11 52714 Plumas Frenchmans Reservoir on est side near Big Cove, Sierra Nevada 1706 Comment
  POM308820  Gnaphalium thermale Roxana S. Ferris, Laura Lorraine 1941-8-8 10412 Plumas Canyon of north fork of Feather River near Storrie. Comment
  RSA59410  Gnaphalium thermale E. K. Balls 1950-9-15 15858 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CHSC59103  Goodyera oblongifolia Vernon H. Oswald 1992-8-10 5153 Plumas Small corner of Lassen Volcanic National Park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  JEPS114912  Gratiola ebracteata Lowell Ahart 2008-7-9 15063 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte 1689 Comment
  SEINET10474257  Grindelia nana Mary Susan Taylor 1981-8-5 Taylor 4170 Plumas 1069 Comment
  CHSC114166  Grindelia squarrosa Barbara L. Wilson; Lawrence Janeway, Peter F. Zika 2011-8-6 16780 Plumas 48545 Highway 70/89, east of East Quincy. 1089 Comment
  JEPS125792  Grindelia squarrosa var. serrulata William Harnach 2000-8-23 992 Plumas Intersection of Dyson Lane and Highway 49. Comment
  RSA235923  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-21 2083 Plumas Mt. Hough, 8.3 miles northeast of Quincy on Mt. Hough-Crystal Lake Road, Rinehart Meadow 1707 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
  CDA14006  Hackelia nervosa G. F. Hrusa, T. D. Wilfred 1997-6-26 13923 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  JEPS55560  Hackelia nervosa Duncan Dunning 1922-7-16 Plumas 4 mi n of Gibsonville (near Onion Valley) Comment
  OBI20843  Hackelia nervosa Lewis S. Rose 1967-7-1 67163 Plumas Mt Hough, summit 2213 Comment
  SEINET10474690  Haplopappus bloomeri Mary Susan Taylor 1981-8-4 Taylor 4152 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  SEINET11841727  Haplopappus bloomeri W. Knight, Knight, I. 1983-1 4912 Plumas 2 mi out of Chester on road to Drakesbad Comment
  UCD138413  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-11 8821 Plumas grade between Greenville and Prattville. Comment
  JEPS114606  Hazardia whitneyi var. whitneyi Lowell Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  CAS-BOT-BC306698  Helenium bigelovii Walter Knight; Irja Knight 1966-6-18 1291 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC306691  Helenium bigelovii Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine 1700 Comment
  SEINET11196757 Image available Helianthella californica var. nevadensis W. Harnach, N. Harnach 1990-6-27 408 Plumas W of Beckwourth, Ramelli Ranch (USFS), S of Railroad. 1500 Comment
  CAS-BOT-BC314795  Helianthella californica var. nevadensis David D. Keck 1932-7-3 1651 Plumas South of town, Quincy, Northern Sierra Nevada 1219 Comment
  CAS-BOT-BC305538  Helianthus bolanderi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC313431  Hemizonella minima Mary Strong Clemens 1920-5-18 s.n. Plumas Greenville Comment
  CAS-BOT-BC315014  Hemizonella minima John Thomas Howell; Gordon H. True 1969-6-23 45826 Plumas On Middle Fork of Feather River at Nelson Point, Sierra Nevada 1249 Comment
  UC176448  Hemizonella minima A. A. Heller 1913-6-13 10843 Plumas near Marston Station 1066 Comment
  CAS-BOT-BC313428  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  CAS-BOT-BC306031  Hemizonia congesta subsp. clevelandii John Thomas Howell 1961-9-23 36825 Plumas Indian Valley 1082 Comment
  CHSC36315  Hesperis matronalis M. S. Taylor 1982-6-9 4618 A Plumas Along Bucks Lake Rd, ca. 1/4 mi ne of Meadow Valley Inn. 1219 Comment
  UCD110560  Hesperolinon micranthum Helen K. Sharsmith 1955-6-28 4521 Plumas About one mile below Virgilia, East Branch of North Fork of Feather River. 762 Comment
  UC641608  Hesperostipa comata subsp. intermedia G. L. Stebbins Jr. 1939-7-9 2927 Plumas 1 mi w Meadow View Ranger Station 1859 Comment
  CHSC112534  Heterocodon rariflorum B. Castro; L. P. Janeway 2009-6-7 1791 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.85 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, near base of low knolls with rounded granitic rock outcrops, ca 250 ft below edge of open Ponderosa-Jeffrery pine forest. 1668 Comment
  RSA88450  Heterocodon rariflorum Donna Howell 1951-6-28 27675 Plumas Jamison Creek. 1585 Comment
  CHSC96061  Heterotheca grandiflora L. P. Janeway 2006-10-1 8898 Plumas Northern High Siera Nevada. Along Hwy 70 0.6 road km southwest of form Injun Jim Campground, and above North Fork Feather River. 625 Comment
  JEPS113322  Heterotheca grandiflora L. P. Janeway 2006-10-1 8898 Plumas Northern High Sierra Nevada. Along Hwy 70 0.6 road km southwest of former Injun Jim Campground, and above North Fork Feather River. Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  CHSC105180  Heterotheca villosa var. minor B. Castro; L. P. Janeway 1997-9-14 784 Plumas Springy S-facing slope above Jamison Creek, above Rd 507 ca 0.9 mi E of the Plumas-Eureka State Park boundary. 1828 Comment
  CDA25401  Heuchera micrantha D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .268 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CAS-BOT-BC424172  Heuchera micrantha var. erubescens Ella Dales Cantelow 1941-5-21 3517 Plumas Meadow Valley about 6 mi W of Quincy 1173 Comment
  CAS-BOT-BC425154  Heuchera rubescens John Thomas Howell; Gordon H. True 1967-7-11 43352 Plumas Summit ridge of Mt. Hough 2194 Comment
  UC420442  Heuchera rubescens var. glandulosa H. M. Hall Jul. 1912 Plumas Long Lake; Sierra Nevada Mountains 2042 Comment
  JEPS36581  Hieracium albiflorum John Thomas Howell 1926-7-20 2084 Plumas near Prattville 1463 Comment
  RSA286279  Hieracium albiflorum R. F. Thorne 1974-7-30 45013 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  SEINET10474727  Hieracium cynoglossoides Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4016 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
  JEPS28593  Hieracium greenei George W. Gillett 1957-7-13 775 Plumas growing on talus slope below Sifford Lakes (along direct route to the Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  JEPS94969  Hieracium horridum Lowell Ahart 1997-8-28 7873 Plumas about 1 mi e of the Bunker Hill Mine (on s side of the dirt road, just w of Hopkins Creek) 1706 Comment
  RSA59459  Holcus lanatus E. K. Balls 1950-9-16 15875 Plumas 5 miles southeast of Graeagle, Sulphur Creek, highway 89. 1372 Comment
  CHSC118671  Holcus lanatus Chelsea Morgan 2015-6-30 2015025 Plumas Plumas National Forest. Location northwest of Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1590 Comment
  CAS-BOT-BC150015  Holodiscus discolor var. discolor Clare B. Hardham 1970-8-9 17716 M Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS126593  Holodiscus discolor var. discolor Lowell Ahart 2016-6-29 21067 Plumas Top and southeast of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC152719  Holodiscus microphyllus var. microphyllus Lewis S. Rose 1932-9-5 32614 Plumas Jamison Lake 1889 Comment
  CAS-BOT-BC284651  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell; Gordon H. True 1969-6-23 45833 Plumas On Middle Fork of Feather River at Nelson Point 1249 Comment
  CHSC55642  Hordeum brachyantherum subsp. brachyantherum K. R. Stern 1985-6-25 8303 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS113678  Hordeum jubatum Lowell Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  RSA726376  Hordeum jubatum L. Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  SEINET10591620  Hordeum jubatum Mary Susan Taylor 1982-8-10 Taylor 4959 Plumas T27N R8E S28 NW1/4 NW1/4. Almanor NE Quad. N side of Hwy 89, S end of Lake Almanor, ca. 1 mi W of Canyon Dam. With Madia gracilis, Lupinus confertus, Hypericum perforatum. 1372 Comment
  CAS-BOT-BC285104  Hordeum marinum subsp. gussoneanum John Thomas Howell 1963-6-4 39408 Plumas Marble Hot Springs, Sierra Valley Comment
  CHSC55643  Hordeum marinum subsp. gussoneanum K. R. Stern 1985-6-25 8293 Plumas Vicinity of Blairsden. 1402 Comment
  CDA34647  Horkelia fusca subsp. parviflora L. 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 Almanor Dam. Comment
  RSA85224  Horkelia fusca subsp. tenella F. W. Peirson 1926-6-21 6794 Plumas South shore Lake almanor, Comment
  POM250772  Horkelia fusca var. brownii D. D. Keck, Robert Gustafson 1938-8-9 4904 Plumas 3 miles S of Beckwith, Sierra Valley, on road to Loyalton 1494 Comment
  HSC93236  Horkelia fusca var. parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8181 Plumas Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi. E of White Horse Campground 1616 Comment
  JEPS127117  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CAS-BOT-BC143991  Horkelia fusca var. tenella Roxana S. Ferris; Laura Lorraine 1941-8-9 10423 Plumas At Lake Almanor Public Camp (near village) Comment
  POM295335  Horkelia tridentata Lyman D. Benson 1949-6-21 13750 Plumas Shasta County Hat Creek, 13.5 miles N of Manzanita Lake. Cascade Mt. Pit River Drainage 1220 Comment
  SEINET6767921  Horkelia tridentata subsp. flavescens A. A. Heller, P. B. Kennedy 1907-7-11 8799 Plumas Sierra Nevada; Prattville Comment
  CAS-BOT-BC538233  Horkelia tridentata var. flavescens unknown 1915-4-7 s.n. Plumas Plumas National Forest Comment
  OBI10077  Horkelia tridentata var. tridentata Lewis S. Rose 1967-6-12 67110 Plumas Butterfly Valley, ca 3 mi W of Keddie 1219 Comment
  SEINET5499963  Hydrophyllum capitatum var. alpinum C. Lantz 1921-5-14 336 Plumas Beckwourth Comment
  POM161740  Hydrophyllum occidentale R. C. Bacigalupi 1927-7-12 1735 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  UCD63698  Hypericum anagalloides Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Plumas National Forest. Blackhawk Road. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  SD230244  Hypericum perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy Comment
  CAS-BOT-BC88620  Idahoa scapigera Mrs. Ellwood Cooper s.n. Plumas Sierra Valley. Comment
  SD7657  Ipomopsis aggregata R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS805  Ipomopsis aggregata W. I. Follett 1937-7-27 98 Plumas Keddie Comment
  UC1584009  Iris hartwegii subsp. hartwegii G. Schoolcraft 1990-5-9 2020 Plumas about 1 mi w Crescent Mills 1463 Comment
  SEINET10469748  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-5-27 Taylor 4543 A Plumas T26N R9E nw/se sec 26. Greenville SW quad. E side of Dixie Canyon Rd (204), 0.5 mi n of its jct with Hwy 89 at Moccasin, s of Greenville. 3800 ft. 1158 Comment
  RSA517035  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1250 Comment
  CHSC41144  Iris tenuissima subsp. purdyiformis J. D. Jokerst 1984-6-13 2047 B Plumas South of Grizzly Creek, ca 30 M north of spur 'C'' of USFS road 26N08. Ca. 2 air miles east of Peacock Point. 1432 Comment
  CHSC54858  Isoetes bolanderi Vernon H. Oswald 1991-8-23 4846 Plumas Road to Juniper Lake Campground, 1.8 miles north of the park boundary. Lassen Volcanic National Park. 2072 Comment
  JEPS107682  Isoetes howellii Lowell Ahart, John Dittes 2005-9-19 12372 Plumas In Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  CDA8049  Iva axillaris N. A. Overgaard 1959-5-28 Plumas Loyalton. 0 Comment
  POM250773  Ivesia aperta var. aperta D. D. Keck, A. Gustafson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mile E of town 1500 Comment
  CAS-BOT-BC137435  Ivesia baileyi var. baileyi John Thomas Howell 1977-8-11 52685 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CAS-BOT-BC205202  Ivesia sericoleuca James R. Shevock; Barbara Ertter 1986-7-20 11737 Plumas Northern Sierra Nevada. Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth 1650 Comment
  CHSC35279  Ivesia sericoleuca M. S. Taylor 1981-7-7 3988 Plumas NE side of Beckwourth-Genesee Rd at its jct with Beckwourth Milford Rd, in Squaw Valley, ca. 12 air mi n of Beckwourth. 1706 Comment
  CHSC39365  Juncus balticus L. Ahart; P. Ahart 1983-8-17 4317 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  SEINET6336306  Juncus balticus M. Foster 1988-9-8 s.n. Plumas Adjacent to Cow Creek in U.S.F.S. range allotment, 1/4 miles W of Lake Davis, 9 mi NNW of Portola 1762 Comment
  JEPS110542  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 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
  CHSC24245  Juncus bufonius var. occidentalis K. R. Stern 1975-7-24 Plumas SW end of Lake Almanor. Comment
  CHSC100376  Juncus covillei Lowell Ahart 2008-9-10 15372 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC47546  Juncus covillei Lowell Ahart 1976-7-16 1180 Plumas Along the edge of Davis Creek, about 5 air miles west of La Porte. 1066 Comment
  CHSC32873  Juncus effusus subsp. pacificus L. Ahart 1980-10-6 2665 Plumas On the s shore of the lake ca. 0.5 mi w of Fowler Peak, ca. 2 mi n of Little Grass Valley Reserv. 1700 Comment
  CHSC52749  Juncus effusus subsp. pacificus L. P. Janeway 1990-8-29 3845 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Between marshy area and dirt road. 1905 Comment
  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
  JEPS115335  Juncus ensifolius Lowell Ahart, John Dittes 2009-9-7 16400 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA0118632  Juncus ensifolius Lowell A. Ahart 2014-8-24 19735 Plumas On the west side of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1563 Comment
  RSA286271  Juncus ensifolius Robert F. Thorne 1974-7-30 45009 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  SEINET11787641  Juncus hemiendytus Unknown 1985-1 5135 Plumas LIttle Grass Valley Res, where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 Comment
  CHSC97597  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes 2007-6-16 14121 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC92198  Juncus howellii Lowell Ahart; John Dittes 2005-9-19 12422 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  CDA15904  Juncus nevadensis B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  CHSC58534  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1992-7-6 5065 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In a meadow. 1770 Comment
  UC1100986  Juncus nevadensis Malcolm A. Nobs and S. Galen Smith 1949-8-20 1466 Plumas about 13 mi sw Milford (on road between Milford and Beckworth) Comment
  CHSC100325  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS122102  Juncus oxymeris Lowell Ahart 2014-8-24 19759 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS114806  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC102672  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -B Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 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
  CAS-BOT-BC81076  Juniperus communis Rimo Bacigalupi 1929-7-10 1675 Plumas Gold Lake Region 2103 Comment
  CAS-BOT-BC85337  Juniperus occidentalis Pierson Durbrow 1918-7-1 s.n. Plumas Gray Eagle Canyon [Canon] Comment
  UC1134349  Juniperus occidentalis R. Roseberry 1934-10-22 17 Plumas 1 1/2 mi ne Pilot Pk.; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10958674  Juniperus occidentalis H. E. Brown 1897-8-1 Brown 503 Plumas Collected near Lassen Buttes. 1800 Comment
  CDA9313  Keckiella breviflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .264 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  RSA293242  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-5 3784 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  POM186423  Keckiella lemmonii D. D. Keck 1932-7-6 1712 Plumas 3 mi. N. of Keddie. 1037 Comment
  CHSC21566  Kelloggia galioides L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Found in the middle of the section. Comment
  CAS-BOT-BC340354  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  UC1586452  Kyhosia bolanderi Vernon H. Oswald and Lowell Ahart 1991-7-30 4778 Plumas 5.2 mi (odometer) ne of Humbug Summit; Humbug, Grizzly Creek 1777 Comment
  CHSC34931  Lactuca serriola M. S. Taylor 1981-7-29 4144 Plumas On e side of 24N42-Flournoy Grade, 1.9 mi s of Flournoy Bridge, ca. 3 air mi e of Genesee. 1463 Comment
  CAS-BOT-BC340598  Lactuca serriola John Thomas Howell 1959-9-22 34838 Plumas Wolf Creek 1371 Comment
  CAS-BOT-BC341566  Lagophylla ramosissima H. M. Hall; E. B. Babcock 1903-7-1 4431 Plumas Sierra Nevada Mountains. Indian Valley 1097 Comment
  CHSC36332  Lagophylla ramosissima M. S. Taylor 1982-6-28 4766 Plumas Ramelli Ranch, s of Hwy 70, w of Calpine Rd, ca. 1 mi w of Beckwourth. Along dirt roads. 1487 Comment
  CAS-BOT-BC341577  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  UC81787  Lathyrus brownii Mrs. R. M. Austin Jul 1878 39 Plumas Big Meadows Comment
  UCD38330  Lathyrus brownii Beecher Crampton 1954-5-10 1868 Plumas 1 mile west of Portola. 1470 Comment
  CAS-BOT-BC205067  Lathyrus sulphureus John Thomas Howell 1975-7-22 51374 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC69708  Leersia oryzoides Vernon Oswald; Lowell Ahart 1997-9-18 8872 Plumas Forest Rd. 26N26 (to Humbug Valley) 3.6 mi west of its junction with Caribou Rd. 938 Comment
  CAS-BOT-BC534383  Lemna gibba Fred Sommers 1976-8-12 205 Plumas Sierra Valley along Marble Lane 1487 Comment
  CHSC97298  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14480 Plumas About 40 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis. 1773 Comment
  CHSC56898  Lemna trisulca L. P. Janeway; Garrett Gibson 1991-7-21 4083 Plumas Plumas National Forest. Spring on north side of Freeman Creek ca 1/2 mi southwest of Lake Davis. 1767 Comment
  CHSC59102  Lemna trisulca V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5175 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a ditch in a meadow, near the EW boundary line of the park. 1595 Comment
  CHSC97550  Lepidium campestre Lowell Ahart; John Dittes 2007-6-17 14161 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
  CDA24901  Lepidium densiflorum var. macrocarpum T. C. Fuller 1959-7-6 4296 Plumas Highway 40A, North Fork Feather River bridge, 2 miles southwest of Storrie. 0 Comment
  CHSC53134  Lepidium virginicum var. pubescens L. P. Janeway 1990-7-13 3796 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. Along dirt roads. 1798 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
  CHSC70029  Leptosiphon bolanderi L. P. Janeway 1997-5-7 5106 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. Flat above the creek. 1225 Comment
  CHSC36867  Leucanthemum vulgare M. S. Taylor 1982-6-24 4753 Plumas Roadbank, n side of ridge at entrance to Gansner Park from Hwy 70, Quincy. 1066 Comment
  CAS-BOT-BC59611  Leucothoe davisiae Rimo Bacigalupi 1927-7-10 1738 Plumas Shores of Helgamite Pond on trail to Mt. Elwell. 2072 Comment
  CAS-BOT-BC59616  Leucothoe davisiae Mary Strong Clemens 1919-11-1 s.n. Plumas Quincy. Comment
  RSA121947  Leucothoe davisiae G. T. Nordstrom 1934-7-3 183 Plumas 2 miles northwest of Mount Ararat. 1616 Comment
  SD7776  Leucothoe davisiae Mrs. R. M. Austin 1877-1 Plumas Spanish Peak. Comment
  CAS-BOT-BC233816  Lewisia cantelovii M. S. Taylor 1981-8-20 4233 Plumas South side of Caribou Road, 0.1 mile north of its jct with Hwy. 70, ca. 1.5 miles northeast of Belden 731 Comment
  CAS-BOT-BC444170  Lewisia nevadensis Mrs. H. C. Cantelow 1939-5-19 4207 Plumas W. of Bucks Lake 10 1/2 mi. Comment
  CHSC107446  Lewisia nevadensis Matt Simenc; Rebecca Joyner 2011-7-2 11 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
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Dec 30 2014
  CHSC34925  Lewisia nevadensis M. S. Taylor 1981-6-3 3850 Plumas S side of 24N57, ca. 1 mi sw of Summit Lakes in Grizzly Valley, ca. 11 mi nw of Beckwourth. 1798 Comment
  JEPS115861  Lewisia nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15894 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  CAS-BOT-BC444183  Lewisia nevadensis Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek and Johnsville 2286 Comment
  SEINET10572729  Lewisia nevadensis Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3850 Plumas T24N R12E ne sec 27, Grizzly Valley quad; S side of 24N57, ca. 1 mi SW of Summit Lakes in Grizzly Valley, ca. 11 mi NW of Beckwourth; elevation ca. 5900 ft. 1798 Comment
  SJSU14356  Lewisia nevadensis N. A. Hopkins 1990-6-12 1613 Plumas c. 16 mi NW of Beckwourth on rd to Genessee 1676 Comment
  CAS-BOT-BC444571  Lewisia triphylla Catherine Best 1984-6-19 1013 Plumas Lakes Basin Camp Ground Comment
  CAS-BOT-BC283806  Leymus cinereus John Thomas Howell 1955-7-19 30795 Plumas Vinton 1505 Comment
  RSA129540  Leymus condensatus E. Sawyer 1935-6-14 103 Plumas 3/4 mile W. of Sugarloaf; Sierraville 1524 Comment
  SJSU4639  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 B Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC509314  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2422 Plumas Between mouth of Butterfly Creek and Valley proper. 914 Comment
  SEINET10872527  Lilium kelleyanum Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4669 Plumas T26N R7E sw sec 33. Almanor SW quad. In seep, n side of and above Caribou Rd, on serpentine, 1.8 mi ne of Queen Lily Campgr., ca. 7 air mi ne of Belden. 2800 ft. 853 Comment
  RSA89859  Lilium pardalinum Lee W. Lenz 1954-6-8 19135 Plumas 3.5 miles north of Beldon on road to Caribou Comment
  UC1101425  Limosella acaulis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1352 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  SEINET10496793  Linanthus ciliatus Mary Susan Taylor 1981-6-16 Taylor 3908 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
  JEPS58440  Linanthus harknessii W. L. Jepson 1924-7-25 10646 Plumas Meadow Valley Bucks Valley Comment
  CHSC36333  Linanthus pungens M. S. Taylor 1982-6-28 4765 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  SEINET6225249  Linum micranthum L. S. Rose 1967-1 67158 Plumas Mt Hough Rd, 2 mi NE of Quincy jct. Comment
  CHSC58536  Listera convallarioides Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5044 a Plumas Near the entrance gate to Elwell Lodge at the S end of Lakes Basin Campground, S margin of Grass Lake, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC62611  Listera convallarioides B. Castro; R. A. Schlising 1987-7-21 165 Plumas Ca 6 mi E of Graegle 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
  CHSC21301  Lithocarpus densiflorus var. echinoides F. T. Griggs; A. Pass 1975-7-8 124 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC432299  Lithophragma campanulatum Alice Eastwood 1927-6-12 14524 Plumas Forest Lodge Greenville, United States Forest Reserve Comment
  CAS-BOT-BC435466  Lithophragma glabrum Robert J. Weatherby 1955-6-26 1547 Plumas Mud Lake, Lakes Basin Area. 2194 Comment
  CDA18742  Lithophragma glabrum G. D. Barbe, T. C Fuller 1982-7-16 3777 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
  CHSC43744  Lithophragma glabrum Vernon Oswald 1986-6-6 2095 Plumas LaPorte - Quincy Rd. 0.2 mi n of the road to Cleghorn Bar. 1996 Comment
  CHSC98346  Lithophragma glabrum L. P. Janeway 2007-6-3 9009 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  CHSC21592  Lithophragma tenellum L. M. Mayer; D. E. Brink Jr. 1975-7-24 Plumas In the sw portion of the section. Comment
  RSA101480  Lithophragma tenellum R. Weatherby 1955-6-26 1547 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  CAS-BOT-BC317313  Lithospermum californicum H. D. Ripley; R. C. Barneby 1943-6-16 5781 Plumas Between Quincy & Massack 1036 Comment
  SD6718  Lithospermum ruderale Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC1063986  Lithospermum ruderale C. W. Hanks 1934-8-6 1 Plumas Upper Sierra Valley Sierraville; Sec. 18 1554 Comment
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Mar 14 2014
  UC106212  Lomatium dasycarpum subsp. tomentosum Mrs. R. M. Austin June 1883 412 e Plumas Big Meadows Comment
  CHSC72420  Lomatium macrocarpum L. P. Janeway 1998-6-2 5622 Plumas Squaw Valley; northeast side of Road 28N01 0.6 mi northwest of Road 26N70 ('Four Corners'). 1705 Comment
  UC337569  Lomatium macrocarpum unknown Plumas Mohawk Valley Comment
  RSA97323  Lomatium nudicaule F. W. Peirson 1926-6-21 6789 Plumas Lake Almanor Comment
  SEINET11121415  Lomatium piperi S. L. Sedillos 1976-3-21 s.n. Plumas Portola, vacant lot on Green Street. 1524 Comment
  CHSC95092  Lomatium plummerae L. P. Janeway; B. Castro 2006-6-3 8653 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  UC1732067  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas Dixie Creek, N side, along the road connection Road 26N70 to Road 28N01 Dixie Valley, W edge 1691 Comment
  NY380626  Lomatium plummerae var. helleri A. A. Heller 1913-6-13 10838 Plumas Near Marston Station 1066.8 Comment
  SEINET10740848 Image available Lomatium plummerae var. helleri A. Arthur Heller 1913-6-13 Heller 10838 Plumas Near Marston Station. 1067 Comment
  JEPS34392  Lomatium utriculatum Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8868 Plumas 0.75 mi. s. Pulga (base of cliff above side rd. off U.S. Hwy. 40, canyon of N. Fork Feather R., n. base of grade over Jarbo Gap, just before bridge across Feather R.); canyon of N. Fork Feather R. 426 Comment
  UCD137348  Lonicera interrupta Tracy I. Storer 1932-7-24 s.n. Plumas 16 miles south of Cassel. 1341 Comment
  SD46666  Lonicera involucrata Robert J. Weatherby 1955-6-26 1557 Plumas Near Lakes Ranger Station, Lakes Basin. 1980 Comment
  CHSC33780  Lonicera involucrata var. involucrata M. S. Taylor 1981-7-17 4029 Plumas Sierra City NW. Ca. 1/4 mi S of Bear Lakes trailhead, Lakes Basin, ca. 6 mi S of Mohawk. 1950 Comment
  CDA13432  Lotus crassifolius var. crassifolius G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13279 Plumas Sierra Nevada; Along lower Bull Run Creek off USFS 23N12E. Comment
  SEINET10451993  Lotus neoincanus Lowell Ahart, Peter Ahart 1985-7-1 Ahart 5095 Plumas About 1/2 mile east of Cement Creek, about 1/2 mile north of Onion Valley Creek, about 4 miles north-west of Pilot Park. Comment
  POM180938  Lotus nevadensis A. A. Heller, P. B. Kennedy, A. H. Heller 1907-7-16 8865 Plumas Grade between Genessee valley and Summit. Comment
  SEINET10451998  Lotus nevadensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4665 Plumas T25N R11E sw sec 7. Greenville quad. N side of Genesee Valley Rd (112), ca. 2 mi w of Genesee. Dry forest. 3700 ft. 1128 Comment
  CHSC103130  Lotus purshianus var. purshianus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16113 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CAS-BOT-BC201257  Lupinus W. Harnach; N. Harnach 1990-6-16 380 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  SEINET194918  Lupinus acutilobus A. A. Heller 1942-5-8 16455 Plumas Virgiliam, along state highway 24. Comment
  UC1552745  Lupinus albifrons Frederica Bowcutt 1985-6-6 550 Plumas about 15 air mi ne Quincy (1 mi of <sic> Drum Bridge, along Beckwourth-Genesee Road); Plumas National Forest Comment
  SEINET10838115  Lupinus albifrons Charles Piper Smith 1921-7-20 Smith 3450 Plumas Greenville road n Comment
  CAS-BOT-BC198414  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1949-6-10 2 Plumas About 5 miles n.w. of Quincy on Hwy. 24 Comment
  CHSC52418  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 B Plumas Plumas National Forest. Along top of Eureka Ridge ca 0.5 mi south of the head of Bear Cr. 2103 Comment
  CHSC65423  Lupinus angustiflorus Vernon Oswald 1984-6-19 1293 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 7.4 mi n-e of Hwy 36. 1584 Comment
  SBBG3538  Lupinus arbustus H. and M. Dearing 1939-5-9 3316 Plumas Blairsden Comment
  UC619262  Lupinus arbustus J. and H. W. Grinnell 1938-6-11 1097 Plumas Mohawk 1371 Comment
  RSA263030  Lupinus arbustus subsp. silvicola M. L. Conrad, Dunn, LeDoux 1973-6-5 7060 Plumas 5.2 miles west of junction of Highway 70 and Meadow Valley Road in Quincy. 1220 Comment
  CAS-BOT-BC208801  Lupinus argenteus var. heteranthus G. H. True 1938-7-6 s.n. Plumas Top of Milford Grade Comment
  CAS-BOT-BC208841  Lupinus argenteus var. meionanthus L. P. Janeway 1990-7-20 3808 Plumas Along Lake Davis Rd 1.4 mi NW of Hwy 70 and Portola. 1524 Comment
  RSA0077083  Lupinus breweri Daisie Huang 2006-8-11 06081101 Plumas Rattlesnake Creek, N of Hwy 70. 72 Comment
  CAS-BOT-BC196670  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  CHSC92280  Lupinus breweri var. breweri John Dittes 2005-7-2 1190 Plumas Northern High Sierra Nevada Range; Drainage of Smith Creek; ca. 12.5 air-miles north x northeast of Taylorsville, ca. 5.5 air-miles southwest of Diamond Mountain, ca. 4.7 air-miles southeast of Indicator Peak; west-facing slope above (south of) Smith Creek, ca. 0.4 mile east of confluence with East Branch Lights Creek, ca. 0.2 mile south of FS Road 28N03. 1474 Comment
  SEINET10903406  Lupinus breweri var. breweri Mary Susan Taylor 1982-4-1 Taylor 4578 Plumas T26n r9e se1/4sw1/4 sec 6. Almanor ne quad. Corolla blue lopenings of mixed Coniferous forest, on n edge of spur rd (27n39) off 26n18, long valley mine Area, ca. 4 Mi. W of greenville. 5000 Ft. With arctostaphylos nevadensis, Senecil integerrimus. Comment
  CAS-BOT-BC215372  Lupinus dalesiae M. S. Taylor 1982-6-23 4713 Plumas S side of Peoria Creek Road (23N10), 1.5 miles W of its junction with 23N50Y, ca. 3 air miles SW of Sloat 1402 Comment
  CAS-BOT-BC215397  Lupinus dalesiae M. L. Conrad; Dunn; LeDoux 1973-6-5 7058 Plumas 5.2 miles W of Junction of Highway 70 and Meadow Valley Road in Quincy 1219 Comment
  CAS-BOT-BC215402  Lupinus dalesiae E. K. Balls; L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, U.S. Highway, Quincy to Portola 1249 Comment
  CAS-BOT-BC215424  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Meadow Valley, 2.2 miles E Quincy Road Comment
  CHSC52430  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Cr. Ca 1.0 mi N of Hwy 70/89; vicinity of Long Valley, Sloat. 1417 Comment
  HSC93578  Lupinus dalesiae G. Fred Hrusa 1996-7-21 13382 Plumas Above Little Long Valley Creek, NW base of Lava Pk. 1600 Comment
  JEPS105987  Lupinus dalesiae Lowell Ahart, Josephine Guardino 2004-5-24 10950 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  JEPS125807  Lupinus dalesiae William Harnach 2004-4-11 1156 Plumas End of Forest Knoll Road at the top of the hill, Quincy, CA Comment
  UC82008  Lupinus dalesiae Brandegee Jul 1896 815 Plumas hills e Quincy (Quincy); hills e Quincy Comment
  SEINET10452067  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4605 Plumas T23N R11E nw/ne sec 22. Johnsville quad. S side of Poplar Creek Rd (23N08), 0.1 mi e of bridge, ca. 1 mi s of Sloat. 4200 ft. 1280 Comment
  SEINET10485180  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4691 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite roadcut On and road, both sides of 23n44y, 1.3 mi. W of its jct with 23n50y, ca 2 air Mi. Sw of sloat. With silene lemmonii, collinsia torreyi. 1494 Comment
  SEINET10485185  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 196 Plumas On dirt rd e of hassack off of hwy 70, s of quincy. Found in mixed conifer Forest with castilleja spp., Lotus spp, and phlox spp. Comment
  SEINET10485198  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4597 Plumas T23n r12e nw14ne1/4 sec 17. Johnsville quad. Corolla yellow. Along 23n11, on Loop through cogswell ravine, on roadcut and upslope in disturbed areas, 3.2 Mi. Ne of jackson creek campground, ca 5 mi n of mohawk. Mixed evergreen Forest. With calochortus coeruleus, lathyrus sulphureus. 1737 Comment
  SEINET10485206  Lupinus dalesiae Melvin L. Conrad 1975-8-11 Conrad 7395 Plumas Douglas fir forest 5.5 mi west of quincy on meadow valley rd. 1219 Comment
  SEINET10838177  Lupinus dalesiae Mary Susan Taylor 1982-7-2 Taylor 4595 Plumas T23n r12e ne1/4sw1/4 sec 17. Johnsville quad. Corolla yellow. On roadcut, s Side of 23n11, 0.5 mi. E of its jct with 23n48, ca 5 air mi. N of mohawk. With Prunus emarginata, ribes. 1676 Comment
  UCSB16017  Lupinus formosus Breedlove, Dennis 1962-6-12 Plumas On northern bank of Indian Creek; along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  RSA26085  Lupinus grayi H. C. Cantelow 1940-5-12 s.n. Plumas 4/10 mile west of Quincy, on Busks Lake Road. Comment
  SEINET10450572  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  CHSC40861  Lupinus lepidus var. confertus K. R. Stern 1985-6-25 8233 Plumas Vicinity of Blairsden. 1371 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
  SJSU11971  Lupinus lepidus var. lobbii N. A. Hopkins 1973-6-15 539 Plumas by Old Gold L Rd near rd to Mills Peak fire Lookout, 1.5 mi E of Gold L. 2042 Comment
  CHSC110950  Lupinus lepidus var. sellulus L. P. Janeway 2013-8-26 11196 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Hartman Bar Ridge along Road 22N05, 0.7 km north of Road 22N94. 1604 Comment
  CHSC21586  Lupinus obtusilobus L. M. Mayer; D. E. Brink Jr. 1975-8-12 Plumas Bucks Lake Floristic Survey. Comment
  UCD109328  Lupinus onustus A. A. Heller 1913-6-13 10869 Plumas Quincy. 1066 Comment
  CHSC56852  Lupinus polyphyllus var. burkei L. P. Janeway 1991-8-4 4126 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
  UC1129726  Lupinus polyphyllus var. burkei E. Sawyer 1935-6-27 169 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quad. Comment
  UC865152  Lupinus polyphyllus var. burkei A. A. Heller 1938-7-2 15235 Plumas just n Quincy (along highway near the Indian Creek Bridge); near the Indian Creek Bridge 1097 Comment
  POM77725  Lupinus vallicola subsp. vallicola C. P. Smith 1921-7-14 3426 Plumas Quincy, near church. Comment
  RSA75657  Luzula comosa L. S. Rose 1951-6-28 51031 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 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
  JEPS28592  Luzula comosa var. laxa George W. Gillett 1957-7-13 751 Plumas Lassen Volcanic National Park. Across the creek from Devils Kitchen 1859 Comment
  JEPS49024  Luzula comosa var. laxa Leland S. Smith 1927-8-10 2179 Plumas Gold Lake Country. Along road to Gold Valley 2286 Comment
  CHSC32020  Luzula divaricata L. Ahart 1974-10-1 647 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  CHSC66776  Luzula divaricata Vernon H. Oswald; Lowell Ahart 1996-8-14 8168 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Along a streamlet on the uphill side of the road. 1645 Comment
  HSC93238  Luzula parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8168 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake 1646 Comment
  CHSC62114  Lycopus uniflorus L. P. Janeway 1993-7-16 4459 Plumas Plumas National Forest. Snake Lake. At waters edge. 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
  CHSC113976  Lythrum portula Lowell Ahart 2014-11-16 19888 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  CAS-BOT-BC494118  Lythrum portula W. Harnach; N. Harnach 2000-8-2 963 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC344472  Madia exigua John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1985 Plumas Butterfly Botanical Area and Vicinity. Near barn in valley proper 1036 Comment
  JEPS32706  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas 0.5 mi Rich Bar; North Fork of Feather River, East Branch 822 Comment
  CAS-BOT-BC342856  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam 1371 Comment
  CAS-BOT-BC342868  Madia glomerata John Thomas Howell 1951-8-20 28196 Plumas Indian Valley 1066 Comment
  CDA13996  Madia glomerata G. F. Hrusa, T. D. Wilfred 1996-8-1 13453 Plumas Sierra Nevada; immed. E of Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CDA15408  Madia glomerata G. F. Hrusa 1996-8-22 13535 Plumas Sierra Valley; at intersection of Antelope Valley Rd. & Hwy 49. Comment
  CHSC36865  Madia glomerata M. S. Taylor 1982-8-31 5080 Plumas Along 27N57, Kettle Pass, just w of Eisenheimer Peak, ca. 7 air mi ne of Taylorsville. Ridge. 2133 Comment
  CAS-BOT-BC342861  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas About 1 mile north-west of and near Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  UC711912  Madia glomerata Roxana S. Ferris and Laura Lorraine 1941-8-9 10430 Plumas near village; Lake Almanor Public Camp Comment
  CAS-BOT-BC343281  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43273 Plumas Meadow at Quincy 1036 Comment
  JEPS107876  Madia gracilis Lowell Ahart, John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1986 Comment
  JEPS115869  Madia gracilis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16226 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  UC579274  Madia gracilis E. Sawyer 1935-6-27 178 Plumas 3.7 mi n Hawks (river w of Beckwith); Plumas National Forest, Sierraville Quadrangle, Middle Fork 1676 Comment
  CAS-BOT-BC343259  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC343265  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  CAS-BOT-BC343288  Madia gracilis C. R. Quick 1957-6-15 57 -02 Plumas About 1/2 mile s. of Lake Almanor Comment
  SEINET6225029  Madia gracilis L. S. Rose 1967-1 67170 Plumas Plumas Co Comment
  CAS-BOT-BC512091  Maianthemum racemosum subsp. amplexicaule Mrs. S. G. Suttiffe 1917-8-1 s.n. Plumas Blairsden Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC34934  Malacothrix floccifera M. S. Taylor 1981-7-29 4141 Plumas E side of 25N42 (Flournoy Grade) 1.3 mi s of Flournoy Bridge, ca. 3 mi e of Genesee. 1341 Comment
  UC1536765  Malacothrix floccifera G. H. True 1938-7-14 958 Plumas top of Milford Grade Milford Grade 1828 Comment
  CAS-BOT-BC140196  Malus John Thomas Howell 1959-9-21 34783 Plumas N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC269221  Melica aristata John Thomas Howell 1926-7-20 2082 Plumas Near Prattville 1463 Comment
  UCD86256  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1798 Comment
  CAS-BOT-BC271099  Melica bulbosa John Thomas Howell; Gordon H. True 1973-7-31 50102 Plumas Summit ridge of Thompson Peak, Diamond Range, Sierra Nevada 2194 Comment
  CHSC91955  Melica bulbosa G. Douglas Barbe; T. C. Fuller 1982-6-15 3725 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  UCD86362  Melica bulbosa John Thomas Howell; Gordon H. True 1967-7-11 43332 Plumas Sierra Nevada. Summit ridge of Mt. Hough. 2194 Comment
  CAS-BOT-BC281269  Melica geyeri John Thomas Howell; Gordon H. True; Walter & Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area. Near Fern Glen 1066 Comment
  JEPS102462  Melica stricta Lowell Ahart 2001-7-17 8929 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC264180  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Devil's Kitchen to Drakesbad, Lassen Volcanic National Park 1828 Comment
  RSA699247  Melica subulata L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas On the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  RSA754549  Mentha arvensis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16243 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  SEINET3152165  Mentha arvensis E. K. Balls 1950-9-15 15839 Plumas N Fork Feather River, 6 mi. NW of Chester 1402 Comment
  SD46649  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  RSA101405  Mentha canadensis R. Weatherby 1955-8-4 1670 Plumas No Ear Bar, Middle Fork Feather River 915 Comment
  RSA726371  Mentzelia albicaulis L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13990 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  RSA39734  Mentzelia albicaulis P. A. Munz 1947-5-16 11821 Plumas 5 miles north of Chilcoot. Comment
  JEPS87377  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UC178668  Menyanthes trifoliata Mrs. R. M. Austin Plumas Big Meadows Comment
  CHSC21593  Micranthes bryophora L. M. Mayer; D. E. Brink Jr. 1975-7-24 Plumas Comment
  CAS-BOT-BC429145  Micranthes odontoloma Lowell Ahart 1976-7-7 s.n. Plumas Above bridge across Cold Water Creek. 1524 Comment
  CAS-BOT-BC429237  Micranthes oregana Milo S. Baker 1926-8-28 314 b-'26 Plumas Drakesbad Comment
  CAS-BOT-BC429240  Micranthes oregana John Thomas Howell 1960-7-23 35963 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CDA14122  Microseris nutans G. F. Hrusa 1997-5-3 13812 Plumas Sierra Nevada; Slope on W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. Comment
  CHSC97180  Microseris nutans Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14041 Plumas About 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS13232  Microseris nutans W. L. Jepson 1910-6-15 4132 Plumas site drowned by Lake Almanor (Prattville); , site drowned by Lake Almanor 1310 Comment
  SBBG21768  Microseris nutans D. Myrick 1964-7-19 869 Plumas trail to Boiling Lake, Drakesbad 1737 Comment
  UC829405  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas 12 w Bucks (near the summit of Soapstone ridge); Sierra Nevada 1676 Comment
  UC92139  Microseris nutans unknown 1892-7-4 Plumas Prattville Comment
  SEINET10902909  Microsteris gracilis subsp. humilis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3876 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
  JEPS30979  Mimulus breweri D. E. Breedlove 1962-6-12 3429 Plumas 6.9 mi w Chester (along State Highway 36); Sierra Nevada 1524 Comment
  UC1552710  Mimulus breweri Frederica Bowcutt 1985-6-6 574 Plumas about 15 air mi ne Quincy; Plumas National Forest, Red Clover Creek Comment
  JEPS80615  Mimulus cardinalis M. S. Taylor 1981-8-19 4215 Plumas ca 1.5 mi w Sloat (jct Bell Creek and rd 23N10); Blue Nose Mt. quad. 1310 Comment
  SEINET10570219  Mimulus densus Mary Susan Taylor 1981-7-27 Taylor 4140 Plumas T25N R11E NW 1/4 sec 12. Genesse Valley quad. On granite embankment E side of 25N42 Flournoy Grade, 1.3 mi S of Flour- noy Bridge, ca. 3 mi E of Genesse. 4400 ft. 1341 Comment
  POM147037  Mimulus guttatus Alice Eastwood 1927-06 14559 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  UC1012469  Mimulus guttatus Francis W. Pennell 1940-6-11 25813 Plumas w Mohawk R. S. (Route 24) 1463 Comment
  SEINET10929287  Mimulus mephiticus Mary Susan Taylor 1982-7-21 Taylor 4896 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  CHSC1788  Mimulus moschatus R. Carter 1964-5-16 88 Plumas Feather R. Canyon, 1/2 mi. up S side of Paul's Creek from Hwy. 40A. 640 Comment
  CHSC69520  Mimulus moschatus Lowell Ahart 1997-9-11 7895 Plumas On the west side of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  RSA519037  Mimulus moschatus Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8633 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts ca 9 airmiles S of Susanville. 1768 Comment
  SEINET12249487  Mimulus moschatus K. R. Stern 1975-1 5880 Plumas SW shore Lake Almanor 1372 Comment
  JEPS30974  Mimulus pulsiferae D. E. Breedlove 1962-6-12 3430 Plumas 6.9 mi w Chester (along State Highway 36); Sierra Nevada 1524 Comment
  JEPS79148  Mimulus pygmaeus L. R. Heckard with R. Bacigalupi 1980-6-12 5251 Plumas w of Lake Almanor (along Route 89, w of Almanor Campground (U.S. Forest Service)); Route 89 Comment
  CAS-BOT-BC11026  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas Sandy Flat, 5,8 miles E of Beckwourth 1493 Comment
  JEPS8140  Mimulus torreyi W. L. Jepson 1910-6-5 4070 Plumas Warner Valley 1524 Comment
  UCD122942  Mimulus torreyi J. M. Tucker 1948-7-24 1720 Plumas near road from Cascade to Camel Peak. 1615 Comment
  JEPS28651  Mimulus torreyi George W. Gillett 1957-7-19 842 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  SEINET12326106  Mimulus torreyi W. Knight, Knight, I. 1983-1 4913 Plumas near W shore of Lake Almanor 1366 Comment
  UC170979  Mimulus torreyi H. M. Hall 1912-6-29 9298 Plumas Meadow Valley Sierra Nevada Mountains 1219 Comment
  JEPS34389  Minuartia douglasii Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8865 Plumas Rich Bar Feather River Canyon (n side of canyon) 762 Comment
  RSA0058872  Mitella breweri Lowell A. Ahart 2008-7-16 15080 Plumas East side of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC82105  Monardella follettii L. P. Janeway 2001-8-5 7422 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  SJSU15285  Monardella follettii S. Woolhouse 2010-7-20 6 Plumas Forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  SEINET10582332  Monardella follettii A. Graff 1993-7-22 Graff 317 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
  SEINET10928191  Monardella follettii A. Graff 1993-7-22 Graff 308 Plumas Plumas National Forest. Meadow Valley Rd. south from Virgilia, on the left roadside, 3 miles from the Union Pacific RR crossing of the East Branch Feather River. T25N,R8E,S30. Locally frequent, growing on a serpentine road cut filling in with Pseudotsuga menziesii and Calocedrus decurrens. Comment
  RSA767791  Monardella glauca L. P. Janeway 2010-8-19 10167 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CAS-BOT-BC221785  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Beckwourth Ranger District, Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  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
  UC2016529  Monardella odoratissima Richard Olmstead 1983-7-2 411 Plumas On road cut along Hwy 89 ca. 3 mi. N. of jct. of Hwys 89 and 70. Ca. 12 mi. N. of Quincy. Comment
  UCR280844  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  CHSC91773  Monardella odoratissima subsp. odoratissima G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3346 Plumas Sierra Nevada. 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CHSC109554  Monardella odoratissima subsp. pallida L. P. Janeway 2012-7-17 10946 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  CHSC52035  Monardella odoratissima subsp. pallida L. P. Janeway 1989-7-13 3490 Plumas Plumas National Forest. Slopes on NE flank of Crocker Mtn, above Red Clover Valley. 1.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1798 Comment
  UCR280841  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, c. 200 yards southwest of the parking lot to the Pacific Crest Trail, c. 0.25 mile southwest of the bridge across the South Fork of the Feather River, c. 4 air miles north of La Porte 1534 Comment
  UCSC008315  Monardella odoratissima subsp. pallida Brett Smith 2011-7-30 BAS 010 Plumas 640m SW of Rock Lake, hillside to N and E slopes is mostly open, sloping down towards Gold and Rock Lake. Just under 2km along trail from Spanish Peak. 2121 Comment
  NY429343  Monardella odoratissima var. follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (northeast slope of Red Hill), East Branch of North Fork Feather River 1280.2 Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10582350  Monardella sheltonii A. Graff 1993-7-22 Graff 319 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, .8 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on right roadside. T25N,R8E,S18. Past flowering. Comment
  SEINET10582355  Monardella sheltonii A. Graff 1993-7-21 Graff 284 Plumas Plumas National Forest. On Hwy. 70, .35 miles northwest of 2nd "Cromberg" sign, on northeast side of the road. T23N,R11E,S13. With Pinus ponderosa, Calocedrus decurrens, Quercus kelloggii, grasses. Comment
  SEINET10829414  Monardella sheltonii A. Graff 1993-7-21 Graff 283 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET10961427  Monardella sheltonii A. Graff 1993-7-21 Graff 286 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  CAS-BOT-BC26179  Monardella stebbinsii Clare B. Hardham 1968-7-15 15680 Plumas Sierra Nevada Mountains; near Belden, 1.9 km N of Queen Lily Campground. Comment
  SEINET10582266  Monardella stebbinsii A. Graff 1993-7-22 Graff 329 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  JEPS62428  Monardella villosa subsp. villosa W. I. Follett 1937-8-2 105 Plumas North side Rich Gulch 1173 Comment
  CAS-BOT-BC444739  Montia chamissoi H. E. Brown 1897-8-1 5632 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC444743  Montia chamissoi John Thomas Howell 1960-7-18 35542 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC53213  Montia chamissoi L. P. Janeway 1989-6-15 3321 Plumas Forest along SW side of Red Clover Valley. Moist creekbed. 1676 Comment
  JEPS113567  Montia fontana subsp. chondrosperma Lowell Ahart, John Dittes 2007-6-16 14100 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
  CAS-BOT-BC445094  Montia linearis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2080 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC91695  Montia linearis G. D. Barbe; T. C. Fuller 1982-6-17 3847 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  CAS-BOT-BC445083  Montia linearis Alice Eastwood 1927-6-1 14666 Plumas United States Forest Reserve. On road from Long Valley Comment
  CAS-BOT-BC445100  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  SEINET10929030  Montia linearis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3870 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  SEINET5336650  Montia linearis A. A. Heller, P. B. Kennedy 1907-7-4 8731 Plumas Meadow two miles south of Red Clover Valley Comment
  CHSC21710  Montia parvifolia F. T. Griggs; A. Pass 1975-7-8 96 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC260650  Muhlenbergia filiformis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1413 Plumas Butterfly Botanical Area and Vicinity. SW of Pond Reservoir 1097 Comment
  CAS-BOT-BC267009  Muhlenbergia filiformis Clare B. Hardham 1978-8-11 21766 Plumas About 5 miles SE of Thompson Peak 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
  JEPS115891  Muhlenbergia filiformis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16142 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  SACT001594  Muhlenbergia filiformis Malcolm Nobs, S. Smith 1949-8-18 Plumas Comment
  CAS-BOT-BC275032  Muhlenbergia richardsonis L. W. Swift 1934-7-13 98 Plumas Murdock Crossing, Plumas Forest 1737 Comment
  JEPS48087  Myosotis discolor Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2701 Plumas vicinity of Butterfly Valley (1/4 mi. s. of junction of U.S. Forest Service rds. 25N15 & 25N12) 1082 Comment
  CAS-BOT-BC392269  Myosurus apetalus John Thomas Howell 1962-6-19 37857 Plumas 5.5 miles e. of Beckwourth 1493 Comment
  UC1101361  Myosurus apetalus Herbert L. Mason 1953-7-8 14559 Plumas 6 mi se Beckwourth (on road from; to Loyalton across valley) Comment
  CHSC114927  Myriophyllum sibiricum B. Villegas 2008-7-23 Plumas Lake Davis, Eagle Point. Comment
  CHSC49676  Najas flexilis Vernon Oswald 1988-7-19 3600 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  SEINET3887644  Narthecium californicum Lewis S. Rose 1966-7-27 66055 Plumas Butterfly Valley. 3 miles West of Keddie.; 0 1067 Comment
  CAS-BOT-BC515769  Narthecium californicum E. K. Balls 1950-9-9 15771 Plumas Freshwater Marsh Community; south end of small lake west of Lakes Center Public Campground, south. 2042 Comment
  CHSC110286  Navarretia breweri B. Castro; L. P. Janeway 2006-6-4 1554 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 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
  SD7659  Navarretia capillaris Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  CDA18470  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3228 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  JEPS110188  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-9 12929 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
  JEPS124119  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  RSA107450  Navarretia intertexta L. S. Rose 1955-7-20 55154 Plumas Mohawk. 1372 Comment
  UC586936  Navarretia intertexta Joseph Andorfer Ewan 1934-7-2 8237 Plumas Guidici Ranch Road Sierra Nevada, Penman Peak 1584 Comment
  CHSC89818  Navarretia intertexta subsp. propinqua G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3179 Plumas Sierra Nevada. 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC97607  Navarretia intertexta subsp. propinqua Lowell Ahart; John Dittes 2007-6-16 14131 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
  POM75730  Navarretia leptalea Marcus E. Jones 1897-7-5 10178 Plumas Prattville. 1372 Comment
  RSA189332  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt. Hough Road, 2.5 miles NE of Quincy Junction. 1250 Comment
  CHSC23855  Navarretia leucocephala subsp. minima Glenda Foster 1975-11-8 102 Plumas Around edges of vernal pool on s side of Hwy. 89, 3.8 mi from jct. 36. Comment
  SEINET10464928  Nemacladus John Thomas Howell, Gordon H. True 1967-7-11 Howell 43281 Plumas 2 miles from Quincy Junction on road to Mount Hough 1219 Comment
  CHSC115160  Nemacladus capillaris Lowell Ahart 2015-6-7 20126 B 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
  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
  JEPS7590  Nemacladus interior Rimo Bacigalupi with Richard Hauke 1954-7-15 4729 Plumas mouth of Rock Creek; North Fork Feather River Canyon 518 Comment
  OBI13907  Nemophila pedunculata Lewis S. Rose 1967-5-7 67062 Plumas 3 mi W of Keddie. Butterfly valley 945 Comment
  UC397357  Nemophila pedunculata Mrs. Jos. Clemens 1920-4-13 7001 Plumas Crescent Mills Comment
  RSA39780  Nemophila pedunculata P. A. Munz 1947-5-16 11825 Plumas 8 miles north of Chilcoot. 1524 Comment
  CHSC64441  Nemophila spatulata B. Castro; G. Kuenster 1994-7-11 528 Plumas Ca 1 air mi S of SE tip of Bucks Lake, ca 300 ft N of Haskins Creek in damp area in old logging road bed as it crosses S-trending drainage tributary to Haskins Creek. 1615 Comment
  SBBG21917  Nuphar polysepala D. Myrick -Jul-1964 881 Plumas Willow Lake just S of Lassen Volcanic Nat Park boundary near Drakesbad Comment
  CAS-BOT-BC171458  Oenothera Fred Sommers 1976-8-12 210 Plumas Marble Hot Springs Area, Sierra Valley Marsh, Marble Lane 1487 Comment
  SEINET5345598  Oenothera flava subsp. flava W. Harnach, N. Harnach 1990-6-13 377 Plumas Sierra Valley, Sw of Beckwourth, Ramelli Ranch 1487 Comment
  RSA88503  Oenothera villosa subsp. strigosa J. T. Howell 1951-8-20 28197 Plumas Indian Valley. 1067 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
  CAS-BOT-BC355569  Oreostemma alpigenum var. andersonii Miss. T. V. Raphael 1917-8-8 s.n. Plumas Johnsburg Comment
  JEPS80617  Orobanche corymbosa subsp. corymbosa M. S. Taylor 1981-6-25 3952 Plumas On hill at NE junction of 25N11 and spur off 25N71, where Last Chance Creek crosses 25N11, ca. 0.5 mi N of N tip of Frenchman Lake, ca. 13 mi NW of Chilcoot. Comment
  SEINET10964379  Orthocarpus copelandii var. cryptanthus Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3881 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  UC1032381  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  CHSC20775  Osmorhiza chilensis K. R. Stern 1975-7-24 5860 Plumas E shore of Lake Almanor. 1371 Comment
  UCR115323  Osmorhiza chilensis G. D. Barbe, T. C. Fuller 1982-7-15 3742 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  CHSC42639  Osmorhiza occidentalis Vernon Oswald 1986-6-6 2099 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 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
  CHSC63445  Osmorhiza occidentalis Lowell Ahart 1994-7-22 7491 Plumas South of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  SJSU14720  Osmorhiza occidentalis N. A. Hopkins 1991-7-3 1696 Plumas N of Doyles Crossing 20 mi N of Red Clover Valley on road to Janesville 1524 Comment
  CAS-BOT-BC317162  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1967-5-7 1877 Plumas Butterfly Valley 1036 Comment
  JEPS113374  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
  CAS-BOT-BC121012  Paeonia brownii Rimo Bacigalupi 1927-7-12 1729 Plumas Along littel Gray Eagle Creek near Lakes Center Camp, Gold Lake Region. Comment
  JEPS60653  Paeonia brownii W. L. Jepson 1910-6-9 4102 Plumas Hot Springs Valley Lassen Peak 1828 Comment
  SEINET5337455  Paeonia brownii P. A. Lehenbauer, F. B. T 1929-5-12 1445 Plumas 2 miles north of Portola Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253735  Panicum capillare John Thomas Howell; Gordon H. True 1967-7-9 43270 Plumas At Quincy 1036 Comment
  CAS-BOT-BC175579  Parnassia palustris Walter Knight; Irja Knight 1966-9-12 1757 Plumas Darlingtonia Bog. Butterfly Botanical Area and Vicinity 1127 Comment
  SJSU13870  Parnassia palustris N. A. Hopkins 1985-8-27 1323 Plumas Grass Lake 1786 Comment
  CAS-BOT-BC266631  Pedicularis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54240 Plumas About 3 miles SE of Mount Hough on the road to Quincy 1737 Comment
  JEPS87489  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  UC1609194  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  RSA126012  Pedicularis aurantiaca E. K. Balls 1957-5-23 22519 Plumas Sw. shore Lake Almanor, 2 mi S of jct of State Hwys 89 and 36. 1402 Comment
  CHSC4732  Pedicularis racemosa R. Carter 1966-7-10 483 Plumas Found on S shore Bucks Lake along S side 24N25, 3/4 mi. from intersection with 24N33. 1524 Comment
  CHSC66774  Pedicularis racemosa Vernon H. Oswald; Lowell Ahart 1996-8-14 8167 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  RSA0039305  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 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
  UC1063359  Pedicularis racemosa G. T. Nordstrom 1934-7-20 248 A Plumas near Edmanton; Plumas National Forest Comment
  SBBG128713  Pedicularis racemosa L. Ahart 2008-8-14 15201 Plumas 200 yards NE of the metal gate, E side of Forest Rd 22N68, ca. 100 yards W of the S Fork of the Feather River, ca. 0.5 mi NE of Little Grass Valley Reservoir, ca. 5 mi NE of La Porte 1571 Comment
  CHSC28920  Pedicularis semibarbata L. Hanson 1979-7-16 36 Plumas On north slope of Mt. Ararat near junc of roads from Lookout Rock and Little Bear Creek. Comment
  CHSC93173  Pellaea brachyptera L. P. Janeway 1994-5-24 4650 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  UC197948  Pellaea brachyptera J. G. Lemmon and wife June 1883 Plumas Comment
  CAS-BOT-BC69357  Pellaea brachyptera Emily K. Mcpherson 1976-11-7 76 32 -1 Plumas Portola Quad. 5 miles north of Beckwourth 1920 Comment
  SEINET10834165  Pellaea brachyptera Mary Susan Taylor 1982-6-17 Taylor 4699 Plumas T23N R10E center of se sec of 23. Blue Nose Mt quad. At end of 23N49Y, ca. 2 air mi w of White Cap, ca. 5 air mi sw of Sloat. Elev 5400 ft. 1646 Comment
  SEINET11713793  Pellaea brachyptera R. M. Austin n d s.n. Plumas no further locality Comment
  UC399522  Pellaea brachyptera Mrs. Carlotta C. Hall July 1912 9309 Plumas along crest of ridges back from Nelson Point Comment
  CHSC50982  Pellaea bridgesii Lowell Ahart 1990-7-16 6568 Plumas On the north side of the South Fork of the Feather River, about 1/2 mile north-east of the Independent Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  JEPS127  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 670 Comment
  POM256003  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  CHSC46662  Penstemon deustus var. suffrutescens Lowell Ahart 1989-7-2 6336 Plumas Growing on the north side and near the summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  CHSC52741  Penstemon gracilentus L. P. Janeway 1990-8-29 3836 Plumas Plumas National Forest, Beckwourth Ranger District, Mt. Ingalls Compartment. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  UCD147774  Penstemon gracilentus Allyson Ayalon; Lucie Jerabkova 2012-8-1 136 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CHSC42784  Penstemon laetus var. leptosepalus L. P. Janeway 1984-7-22 931 Plumas Vicinity of Soapstone Hill. Near jct of Oro Quincy Hwy and the rd to Duffey Dome. 1639 Comment
  CHSC20777  Penstemon neotericus K. R. Stern 1975-7-23 5858 Plumas W shore of Lake Almanor. 1371 Comment
  NY130452  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  NY627287  Penstemon neotericus R. M. Austin 1878-1 s.n. Plumas Comment
  NY627282  Penstemon neotericus W. W. Eggleston 08 1911 7619 Plumas Prattville 1300 Comment
  POM186422  Penstemon neotericus D. D. Keck 1932-7-6 1713 Plumas 8 miles N of Greenville on road to Prattville. 1463 Comment
  RSA32330  Penstemon neotericus C. R. Quick 1945-7-25 45 -73 Plumas Butt Creek Plots. Along road toward Humbug Valley. Comment
  UC887185  Penstemon neotericus M. and P. Ownbey 1938-7-14 1742 Plumas 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
  CAS-BOT-BC239304  Penstemon newberryi var. berryi W. W. Wagner 1919-6-29 298 Plumas Grizzley [Grizzly] Ridge 2346 Comment
  OBI83016  Penstemon personatus Robert L. Johnson, Mikel R. Stevens 2015-7-11 3952 Plumas Northern High Sierra Nevada. 0.6 rd mi S of jct with Cold Water Rd and Red Mtn Road on Gravel Range Rd. Ca 3.5 air mi south of Bucks Lake.; 0 1771 Comment
  CHSC42786  Penstemon roezlii L. P. Janeway 1984-7-22 925 Plumas Along OroQuincy Hwy at Bucks Summit. 1716 Comment
  JEPS119949  Penstemon roezlii Lowell Ahart 2012-9-5 18446 Plumas Road edge where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southwest of Pilot Peak, about 8 1/4 miles (air) northeast of La Porte. Comment
  NY650124  Penstemon roezlii R. M. Austin 07 1878 s.n. Plumas Comment
  CAS-BOT-BC239587  Penstemon rydbergii var. oreocharis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CAS-BOT-BC239601  Penstemon rydbergii var. oreocharis John Thomas Howell 1926-7-30 2162 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC239608  Penstemon rydbergii var. oreocharis C. R. Quick 1945-7-20 45 -62 Plumas U.S.F.S. fenced pasture, Deane's [Deanes] Valley, S.E. of Meadow Valley Comment
  CDA19271  Penstemon rydbergii var. oreocharis G. D. Barbe, T. C. Fuller 1982-6-17 3838 Plumas Plumas National Forest; East shore Frenchman Lake, Crystal Fishing Access. 1706 Comment
  NY661016  Penstemon speciosus R. C. F. Bacigalupi 1927-7-11 1699 Plumas Grassy Lake meadows, Gold Lake Region 1889.8 Comment
  NY660830  Penstemon speciosus R. J. Weatherby 1955-6-22 1534 Plumas Road to Spanish Peak lookout 1828.8 Comment
  SEINET10454547  Perideridia bolanderi Mary Susan Taylor 1982-6-10 Taylor 4626 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  RSA59673  Perideridia lemmonii E. K. Balls 1950-9-9 15741 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC100058  Perideridia parishii Lowell Ahart 2008-7-9 15054 Plumas Near a small meadow about 2 yards west of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  RSA0089048  Perideridia parishii Bonnie C. Templeton 1968-6-8 11235 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  SD7877  Persicaria amphibia Mrs. R. M. Austin 1881-1 Plumas Big Meadows Comment
  UCD99385  Persicaria amphibia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas Southeastern side of Portola. Comment
  CHSC54869  Persicaria lapathifolia Vernon H. Oswald 1991-8-23 4842 Plumas Lassen Volcanic National Park. Outlet of Juniper Lake. Common on dry mud on the strand of the lake. 2057 Comment
  CAS-BOT-BC419235  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CHSC96917  Phacelia heterophylla subsp. virgata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14018 Plumas Around trees, east side of an open rocky flat, along the edge of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  POM147035  Phacelia heterophylla subsp. virgata Alice Eastwood 1927-6-11 14434 Plumas United States Forest Reserve. Forest Lodge, Greenville. Comment
  UC1602018  Phacelia heterophylla subsp. virgata E. Sawyer 1935-6-14 110 Plumas 1 3/4 mi n Beckwith; Sierraville Quadrangle Comment
  CHSC102437  Phacelia humilis var. humilis L. P. Janeway; B. Castro 2009-6-7 9801 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 180 m southwest of Thompson Valley Creek. 1672 Comment
  SDSU6594  Phacelia hydrophylloides Phacelia Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River, 1/2 mile north of Chester, Ca. Comment
  POM147048  Phacelia linearis Alice Eastwood 1927-06 14908 Plumas On road from Chilcott, Unites States Forest Reserve. Comment
  CHSC48472  Phacelia mutabilis Vernon Oswald 1986-7-10 2201 Plumas LaPorte-Quincy Rd. 0.7 mi n of the road to Cleghorn Bar. 1950 Comment
  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
  SJSU14280  Phacelia mutabilis N. A. Hopkins 1989-5-27 1500 Plumas near Marble Hot Springs, NW corner Sierra Valley 1524 Comment
  CAS-BOT-BC265834  Phalaris arundinacea Lloyd W. Swift 1931-7-24 54 Plumas Haun's Meadow 1402 Comment
  CHSC117800  Phalaris arundinacea B. Castro; With members of Plumas CRM reveg committee 2007-6-26 1651 Plumas Northern High Sierra Nevada. Plumas National Forest. Jordan Flat, on flood plain at confluence of Jordan Creek with Last Chance Creek. Ca 8.5 air mi SE of Milford, 4.8 mi SW of Hwy 395 and 10 mi NW of Doyle. Comment
  CHSC81191  Phalaris arundinacea Lowell Ahart 2001-8-28 9191 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC128866  Philadelphus A. L., Mrs. Coombs 1920-6-10 s.n. Plumas Camp Rodgers - Feather River Region 701 Comment
  SEINET892448 Image available Philadelphus californicus Lewis S. Rose 1967-1 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  OBI13974  Philadelphus lewisii Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  RSA59151  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake, in meadow sloping to two smaller lakes 2134 Comment
  CAS-BOT-BC260849  Phleum pratense John Thomas Howell 1961-6-21 36595 Plumas Greenville, Sierra Nevada 1097 Comment
  CAS-BOT-BC260853  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor 1828 Comment
  RSA467449  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas west side of Lake Almanor 1829 Comment
  RSA603266  Phleum pratense Joseph A. Ewan 1934-7-19 8246 Plumas in barnyard of valley floor Dentens, Mohawk Valley 1616 Comment
  SD7491  Phlox caespitosa Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  CDA18663  Phlox diffusa G. D. Barbe, T. C. Fuller 1982-6-15 3716 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC1302  Phlox diffusa J. Gulick 1929-5-15 Plumas Near Chester. 1524 Comment
  CHSC24973  Phlox diffusa L. Mayer; D. Brink 1975-7-1 Plumas Buck's Lake. Comment
  CHSC67375  Phlox diffusa James D. Jokerst 1984-4-25 1991 Plumas Big Grizzly Hydro Project. Ca. 2/3 of the way above the river on the inner steep rocky gorge of N. Fork Feather River. 1341 Comment
  CHSC98344  Phlox diffusa L. P. Janeway 2007-6-3 9011 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  SEINET11268262  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas Near Ceder Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake.; 0 1707 Comment
  UCD118240  Phlox hoodii subsp. canescens Kim Nixon 1977-5-29 33 Plumas 7.2 miles east of Doyle on Greeno Rd. then 0.2 miles north on Bird Creek Rd. 1950 Comment
  SBBG6055  Phlox speciosa H. and M. Dearing 1939-5-9 3320 Plumas near Quincy Comment
  SEINET12326792  Phlox speciosa M. S. Taylor 1982-1 4525 Plumas ca 3/4 mi W of McDermott Ravine and 1.5 mi NE of Sloat 1372 Comment
  RSA685107  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3697 Plumas 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Road 26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest 1494 Comment
  UC614685  Phlox speciosa subsp. occidentalis L. Constance 1938-6-9 2308 Plumas 7.3 mi se Quincy (above the Middle Fork of the Feather River) 1219 Comment
  CDA17228  Phoenicaulis cheiranthoides G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16331 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
  CHSC89302  Phoenicaulis cheiranthoides G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16331 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC135162  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas top of hill, N & NE side of W flank of Wheeler Peak ridge, ca. 5 air mi N of Genesee 1981 Comment
  CAS-BOT-BC58842  Phyllodoce breweri Anna Head 1921-1-1 s.n. Plumas Feather River Region - Lake Center Camp Comment
  HSC1445  Pinus balfouriana R. J. Mastrogiuseppe 1967-8-29 Plumas Onion Valley, Bulk Collection # 89 Comment
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Dec 30 2014
  CAS-BOT-BC78468  Pinus contorta subsp. murrayana Saichi Kawahara 1968-5-5 412 Plumas Highway 89, 3 miles south-east of Highway 36 1402 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
  UC1219839  Pinus jeffreyi R. A. Cockrell 1940-7-31 8553 Plumas Meadow Valley Meadow Valley (rock ridge) 1676 Comment
  UC1219836  Pinus lambertiana R. A. Cockrell 1940-7-31 8549 Plumas Meadow Valley 1554 Comment
  SEINET10530537  Pinus monticola Mary Susan Taylor 1980-11-2 Taylor 3366 Plumas T25N R12E center border sec 28/27, Blairsden quad. Plumas Natl Forest, Mt. Ingalls. With E. Pierce. 2552 Comment
  SEINET8060071 Image available Pinus monticola Joseph Andorfer Ewan 1934-7-16 8505 Plumas Bear Lake, Mt. Uwell trail above Bear Lake Comment
  CAS-BOT-BC79047  Pinus ponderosa Alice Eastwood 1927-6-1 14702 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CHSC4459  Pinus ponderosa C. Glascock 1965-2-6 216 Plumas 6.5 mi. E of Rich Bar turnoff on Hwy 70. Ca. 100 yds W of abandoned service station and cabin. Comment
  CDA14706  Piperia unalascensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3210 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  UCSC004659  Piperia unalascensis R. Coleman 1990-7-10 1899 -P Plumas Bucks Lake Comment
  CAS-BOT-BC254390  Piptatherum miliaceum John Thomas Howell 1976-7-14 51820 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CAS-BOT-BC228016  Plagiobothrys John Thomas Howell 1926-7-30 2163 Plumas Prattville 1371 Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  CHSC40546  Plagiobothrys cusickii Lowell Ahart 1985-9-26 5175 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  JEPS108896  Plagiobothrys hispidulus Lowell Ahart 2006-7-9 12926 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  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
  JEPS123959  Plagiobothrys hispidulus Lowell Ahart 2015-7-4 20281 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC230967  Plagiobothrys hispidulus John Thomas Howell; H. Keith Wagnon 1980-5-27 53618 Plumas 1 mile W of Almanor 1386 Comment
  CAS-BOT-BC230976  Plagiobothrys hispidulus Lowell Ahart 1977-8-8 s.n. Plumas On gravel bar on the side of a small wash that drains into the lake from the meadow above the lake 2000 Comment
  RSA726379  Plagiobothrys mollis L. Ahart, Josephine Guardino 2007-7-20 14327 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CHSC118659  Plagiobothrys mollis Chelsea Morgan 2015-7-23 2015029 Plumas Plumas National Forest. Located along the northeast shore of Antelope Lake, east of Forest Service road 27N19Y. UTM 705875 E, 4451368 N, NAD83 Zone 10N. 1525 Comment
  JEPS113597  Plagiobothrys mollis var. mollis Lowell Ahart, Josephine Guardino 2007-7-20 14327 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SEINET10497115  Plagiobothrys scouleri Lowell Ahart 1985-7-11 Ahart 5141 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
  CHSC51502  Plagiobothrys torreyi var. diffusus Wayne Dakan 1978-7-17 Plumas [No county on label, but probably Plumas Co.]. Comment
  SEINET10499816  Plantago major Mary Susan Taylor 1982-8-23 Taylor 5033 Plumas T25N R9E ne/ne sec 19. Almanor SE quad. Along rd on e side of Dutch Creek, just s of RR underpass (#275), ca. 1/4 mi e of Twain. 3100 ft. 945 Comment
  UCD20959  Platanthera dilatata var. leucostachys E. Bortiri 2002-6-20 WFC 7 Plumas McRae Meadow, 5 miles West of Plumas Eureka State Park. Comment
  SD7905  Platanthera dilatata var. leucostachys Mrs. R. M. Austin 1880-1 Plumas No further locality information on label on specimen sheet. Comment
  RSA286274  Platanthera leucostachys Robert F. Thorne 1974-7-30 44993 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  RSA794791  Platanthera leucostachys Lowell A. Ahart, John Dittes 2009-7-13 16049 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
  UC367023  Platanthera leucostachys J. G. Lemmon and wife Aug 1883 Plumas Indian Valley, n California Indian Valley Comment
  SD46497  Platanthera sparsiflora Robert J. Weatherby 1955-6-26 1560 Plumas Near Lakes Ranger Station, Lakes Basin. Wet bog in thicket. 1981 Comment
  RSA52906  Pleuricospora fimbriolata R. Weatherby 1973-10-2 s.n. Plumas Bucks Lake. 1524 Comment
  CHSC44584  Poa bolanderi Lowell Ahart 1977-7-26 1499 Plumas Along the logging road to Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC87989  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS115903  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  UC1024757  Poa bolanderi Leo Whitney 1934-8-12 2295 Plumas ca 9 mi nw Portola (Freeman Creek, nw end of Big Grizzley Valley); Plumas Nat'l Forest 1828 Comment
  CAS-BOT-BC254970  Poa bulbosa John Thomas Howell 1955-7-19 30740 Plumas Beckwourth 1493 Comment
  CHSC81431  Poa bulbosa L. P. Janeway 1996-5-13 4969 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 0.3 mi northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. 902 Comment
  CHSC97605  Poa bulbosa Lowell Ahart; John Dittes 2007-6-16 14115 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC255123  Poa cusickii P. B. Kennedy; A. A. Heller 1907-7-5 8751 Plumas Red Clover Valley Comment
  CHSC96933  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14052 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  UCD90941  Poa cusickii subsp. epilis August L. Hormay 1932-6-9 s.n. Plumas Squaw Queen Valley, near Crocker Ranger Station, Plumas National Forest. Comment
  CHSC73541  Poa leptocoma subsp. leptocoma H. Durio 1995-8-17 Plumas Mosquito Flat Meadow. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. In main meadow. 1676 Comment
  CAS-BOT-BC247277  Poa palustris Thomas H. Kearney 1944-8-14 12 Plumas Near Prattville, Lake Almanor Comment
  RSA201356  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  RSA484198  Poa pratensis H. S. Yates 1913-6-24 s.n. Plumas Massack 1372 Comment
  SEINET264681 Image available Poa pratensis S. Scott sn Plumas Plumas National Forest ; Sierra Nevada Range eastern side Milford Ranger District Ingalls area 1829 Comment
  UCD91874  Poa pratensis Beecher Crampton 1954-7-5 2039 Plumas along State Highway 89, 1.5 miles north of Greenville. Comment
  CDA2372  Poa pratensis subsp. pratensis L. Ahart, J. Dittes, Robert A. Schlising, J Guardino 2004-7-3 11165 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CHSC87984  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11165 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  UC1132723  Poa pratensis subsp. pratensis F. W. Embree 1934-6-12 103 Plumas w end Haskins Valley; Plumas Nat'l Forest, Bidwell Bar Quadrangle Comment
  UC579322  Poa pratensis subsp. pratensis E. Sawyer 1935-6-27 173 Plumas 3.6 mi n Hawks (w of Beckwith Buttes); Plumas Nat'l forest 1645 Comment
  UC790986  Poa pratensis subsp. pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 mi w Chester (on rte 36) 1828 Comment
  UCD90266  Poa secunda A. A. Beetle 1941-6-28 2769 Plumas West side of Lake Almanor. 1828 Comment
  SEINET7294007 Image available Poa secunda subsp. juncifolia P. B. Kennedy 1901-1 s.n. Plumas [R. R. Station, Constantia] Comment
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Feb 4 2016
  CAS-BOT-BC242973  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8711 Plumas Hills above Red Clover valley Comment
  UC1221798  Poa secunda subsp. secunda A. A. Beetle 1941-6-28 2769 Plumas w side Lake Almanor 1828 Comment
  UCD91635  Poa secunda subsp. secunda August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest, near RR plots. Comment
  CHSC118776  Poa wheeleri Chelsea Morgan; Wendy L. Boes 2015-5-25 2015 -004 Plumas Plumas National Forest. On the hillside south of Silver Creek, about 1 mi. downstream from the junction with Jack Meadow Creek, north of Forest Service road 24N29X. (UTM 658936 E, 4437694 N, NAD83 Zone 10N.) 1400 Comment
  CAS-BOT-BC244319  Podagrostis humilis John Thomas Howell 1960-7-23 35954 Plumas Lassen Volcanic National Park. Drakesbad, Soda Spring 1828 Comment
  JEPS108572  Polemonium micranthum L. P. Janeway, B. Castro 2006-6-4 8670 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction with McReynolds Valley Road and Squaw Valley Road 1684 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
  CHSC76805  Polygonum aviculare L. P. Janeway 1997-9-29 5364 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Common along edge of dirt road. 944 Comment
  NY407591  Polygonum bistortoides Mrs. Ames 1876-1 s.n. Plumas Comment
  UC6668  Polygonum bistortoides John M. Coulter 1876-1 34 Plumas Comment
  CAS-BOT-BC414556  Polygonum douglasii L. P. Janeway 1993-8-5 4498 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap 1623 Comment
  RSA0114872  Polygonum douglasii L. P. Janeway 2015-7-29 11811 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  CHSC103128  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16116 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC40624  Polygonum douglasii subsp. douglasii Lowell Ahart 1985-9-26 5177 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC60132  Polygonum douglasii subsp. douglasii L. P. Janeway 1992-7-10 4256 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. 2072 Comment
  CHSC46682  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald 1988-8-5 3629 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CHSC62485  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1993-8-26 4547 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. Sagebrush flats on south side of Middle Fork Feather River. Little-used dirt road. 1484 Comment
  UC187613  Polygonum douglasii subsp. spergulariiforme Mrs. R. M. Austin Aug. 1899 Plumas Big Meadows Comment
  JEPS106304  Polygonum parryi Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 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
  CHSC62487  Polygonum polygaloides subsp. confertiflorum L. P. Janeway 1993-8-10 4518 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
  CAS-BOT-BC419883  Polygonum polygaloides subsp. confertiflorum M. S. Taylor 1982-6-10 4633 Plumas Ramelli Ranch, ca. 1/2 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  CAS-BOT-BC420042  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1954-5-30 54060 Plumas Johnsville 1600 Comment
  CHSC101862  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15896 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area. 1421 Comment
  CHSC115213  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2015-6-7 20219 Plumas West side of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC45475  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1981-7-21 2975 Plumas Along the edge of the dirt road, along Gleghorn Bar Road, about 1 1/2 miles west of Quincy La Porte Road, about 2 miles west of Pilot Peak. 1767 Comment
  CHSC53212  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1989-6-14 3307 Plumas Plumas National Forest. Beckwourth Ranger District. Forest along the s'ly side of Red Clover Valley. Openings in yellow pine forest. 1699 Comment
  CDA14724  Polygonum sawatchense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3250 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  UC1585940  Polygonum sawatchense subsp. oblivium Barbara Ertter with Gary Schoolcraft 1989-7-3 8642 Plumas ca 1/2 mi below Red Rock lookout (ca 8 airmi s of Susanville) 2133 Comment
  CAS-BOT-BC420217  Polygonum sawatchense subsp. sawatchense D. E. Breedlove 1962-6-12 3456 Plumas On bank of Jackson Creek. In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CHSC57309  Polygonum shastense L. P. Janeway 1984-9-1 1121 Plumas Broad ridge-top of Sierra crest near junction of Pacific Crest Trail and jeep trail (west of Long Lake). 2225 Comment
  CAS-BOT-BC421041  Polygonum spergulariiforme L. P. Janeway 1993-9-23 4602 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feaether River. 1498 Comment
  CAS-BOT-BC72357  Polystichum imbricans subsp. imbricans John Thomas Howell; Gordon H. True 1967-5-9 42213 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  JEPS104151  Polystichum imbricans subsp. imbricans Lowell Ahart 2003-10-17 10645 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  CHSC95278  Polystichum lemmonii L. P. Janeway; David Toren 2006-11-7 8941 Plumas Northern High Sierra Nevada. Plumas National Forest; Rogers Lake, in a bowl/cirque imbedded in steep northern slope of Red Mountain, 1.2 km south of the confluence of Little Grizzly Creek and Grizzly Creek. 1629 Comment
  UC185196  Polystichum scopulinum Mrs. Carlotta C. Hall 1912-7-19 9367 Plumas near Nelson Point Schoolhouse (Middle Fork Feather River) 1219 Comment
  CAS-BOT-BC102758  Populus tremuloides Anna Head 1920-1 s.n. Plumas Feather River Region Comment
  CHSC46699  Porterella carnosula V. Oswald 1989-8-22 3950 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. 1950 Comment
  CHSC102307  Portulaca oleracea Lowell Ahart; John Dittes 2009-9-7 16389 Plumas Below the high wate line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 5220 Comment
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Dec 18 2016
  SEINET11664774  Potamogeton gramineus W. Knight, Knight, I. 1983-1 4926 Plumas at Warner Valley on road to Drakesbad 1570 Comment
  JEPS87464  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  RSA252440  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-6 39236 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  RSA286340  Potamogeton natans Robert F. Thorne 1974-7-30 45017 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA59666  Potamogeton natans E. K. Balls 1950-9-9 15733 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  UC1099820  Potamogeton pectinatus Malcolm A. Nobs, S. Galen Smith 1949-8-19 1406 Plumas 2 mi s of Greenville; Indian Valley Comment
  CHSC61454  Potamogeton pusillus var. tenuissimus Vernon H. Oswald; Lowell Ahart 1993-8-11 5784 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. Along the edge of the lake. 1767 Comment
  JEPS107493  Potamogeton richardsonii Lowell Ahart, John Dittes 2005-9-19 12376 Plumas In deep water, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UCD20195  Potamogeton richardsonii R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  SEINET10483933  Potentilla Mary Susan Taylor 1981-7-6 Taylor 3976 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
  POM147079  Potentilla glandulosa Alice Eastwood 1927-06 14639 Plumas United States Forest Reserve, Road from Long Valley to Greenville Comment
  CHSC54450  Potentilla glandulosa subsp. reflexa Vernon H. Oswald 1991-7-8 4697 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic National Park. On the north side of the lake at the western-most camping area. 1676 Comment
  CHSC108122  Potentilla gracilis var. fastigiata Lowell Ahart 2011-9-20 17682 -A Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CAS-BOT-BC540408  Potentilla gracilis var. fastigiata John Thomas Howell 1973-7-10 49746 Plumas Sierra Nevada, near Greenville 1097 Comment
  SEINET6637079  Potentilla millefolia A. A. Heller, P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CAS-BOT-BC145250  Potentilla rivalis John Thomas Howell 1977-6-20 52367 Plumas On the peninsula of Lake Almanor 1371 Comment
  RSA754541  Potentilla rivalis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CHSC45199  Poteridium annuum Lowell Ahart 1981-7-21 2972 Plumas Along the edge of Cleghorn Bar Road, about 1 1/2 miles west of the Quincy La Porte Road, about 2 air miles west of Pilot Peak. 1737 Comment
  UC1332390  Primula suffrutescens Mrs. L. Williams 1967-8-12 Plumas Luther Ridge between Wade Lake and Spencer Lake; Luther Ridge between Wade Lake and Spencer Lake 2225 Comment
  RSA755328  Prunella vulgaris var. lanceolata L. Ahart, John Dittes 2009-7-13 16042 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC917238  Prunella vulgaris var. lanceolata J. M. Tucker 1948-7-25 1741 Plumas sw side Camel Peak (Pinchard Creek, at mine of United Mining Company); sw side of Camel Peak, Pinchard Creek 1524 Comment
  JEPS23731  Prunella vulgaris var. lanceolata John Warren Duffield 1937-7-25 Plumas Little Schneider Creek near Meadow Valley; Little Schneider Creek, near Meadow Valley 1249 Comment
  UC1128314  Prunus emarginata G. T. Nordstrom 1934-7-9 199 Plumas 3/4 mi s by sw Mount Ararat (Plumas National Forest); Plumas National Forest 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
  UC338360  Prunus emarginata unknown 1889-5-28 Plumas Mohawk Valley Comment
  CAS-BOT-BC154647  Prunus subcordata Alice Eastwood 1927-6-13 14539 Plumas United States Forest Reserve. Near Greenville Comment
  CAS-BOT-BC154849  Prunus virginiana var. demissa Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC154853  Prunus virginiana var. demissa John Thomas Howell 1924-8-10 610 Plumas Crescent Mills 1219 Comment
  CHSC40930  Prunus virginiana var. demissa K. R. Stern 1985-6-25 8276 Plumas Vicinity of Blairsden. Comment
  UCD113522  Prunus virginiana var. demissa H. B. Currier; W. R. Russell, J. M. Tucker 1951-8-1 2203 Plumas beside road to Buck's Lake, about 1 mile west of Quincy. 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
  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-BC356985  Pseudognaphalium luteoalbum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1454 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  RSA201260  Pseudognaphalium thermale J. T. Howell 1960-8-20 36279 Plumas Kelly Camp, near Drakesbad 1616 Comment
  CHSC21027  Pseudostellaria jamesiana F. T. Griggs; A. Pass 1975-7-10 146 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC89508  Pseudostellaria jamesiana G. Douglas Barbe; T. C. Fuller 1982-7-16 3759 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 miles south of Green Flat, Plumas National Forest. 1981 Comment
  SEINET4856244  Pseudostellaria sierrae Richard K. Rabeler, B. Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas 150 ft s of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Rd.), 1.95 mi N of CA 89, W of Crescent Mills. 1463 Comment
  CAS-BOT-BC80159  Pseudotsuga menziesii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1597 Plumas Fern Glen 1097 Comment
  NY63901  Pseudotsuga menziesii var. menziesii E. Fritz 1936-6-22 8208 Plumas Comment
  UCD136189  Pteridium aquilinum var. pubescens James I. Mallory 1969-8-21 355 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  UC875409  Pteryxia terebinthina var. californica Anna Head 1921-7-2 Plumas Lake Center, Feather River Region 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
  RSA715669  Purshia tridentata var. tridentata L. Ahart, J. Guardino 2005-8-10 12308 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  UC1128541  Purshia tridentata var. tridentata C. G. Albertus 1935-8-3 250 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  UC1128544  Purshia tridentata var. tridentata E. Sawyer 1935-5-21 13 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1524 Comment
  CHSC35276  Pyrola asarifolia subsp. asarifolia M. S. Taylor 1981-8-20 4227 Plumas Above spring in Bullfrog Ravine, ca. 3 air mi nw of Indian falls. 1706 Comment
  CHSC33935  Pyrola dentata M. S. Taylor; M. Foster 1981-7-14 4011 Plumas Saddle at head of Bullfrog Ravine, along rd 26N18, 3 air mi nw of Indian Falls. 1584 Comment
  RSA0080594  Pyrola dentata L. Ahart, John Dittes 2009-7-14 16065 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  CAS-BOT-BC462782  Pyrola dentata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC462901  Pyrola picta John Thomas Howell 1960-7-14 35695 Plumas Lassen Volcanic National Park: Drakesbad 1828 Comment
  CAS-BOT-BC466110  Pyrola picta H. E. Brown 1897-8-1 604 Plumas Near Lassen Buttes 1828 Comment
  UCD117817  Pyrola picta G. F. Hrusa 1992-10-8 10502 Plumas Bucks Lake Wilderness. 1828 Comment
  RSA715689  Pyrrocoma carthamoides var. cusickii L. Ahart, Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CHSC84530  Pyrrocoma lanceolata var. lanceolata John Dittes; Lowell Ahart 2003-8-8 2003 -90 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-BC362286  Pyrrocoma lanceolata var. lanceolata Fred Sommers 1976-8-27 230 Plumas Sierra Valley Marsh between road and Marble Hot Springs 1524 Comment
  JEPS5021  Pyrrocoma lucida Roxana S. Ferris 1951-9-14 12469 Plumas just n Sierra County line (between Graeagle and Calpine) Comment
  CAS-BOT-BC62430  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  CHSC21309  Quercus chrysolepis F. T. Griggs; A. Pass 1975-7-8 125 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET9005743  Quercus chrysolepis R. J. Holl 1928-5-28 s.n. Plumas Keddie, California, bench above the river 1067 Comment
  RSA88599  Quercus durata J. T. Howell 1951-6-26 27532 Plumas Near Rich Bar. 793 Comment
  CAS-BOT-BC105317  Quercus kelloggii C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  NY42417  Quercus kelloggii J. B. Walker 1994-8-2 866 Plumas 5km NW of Quincy, on N edge of Smith Lake 1500 Comment
  UC586938  Quercus kelloggii Joseph Andorfer Ewan 1934-7-2 8230 Plumas Penman Peak Sierra Nevada Mountains 1524 Comment
  SEINET10431673  Quercus kelloggii P. A. Lehenbauer 1938-1 s.n. Plumas 3 miles E of Portola. Comment
  JEPS95835  Quercus vacciniifolia Lowell Ahart 1999-7-15 8095 Plumas about 100 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  UC586846  Quercus vacciniifolia Joseph Andorfer Ewan 1934-6-25 8200 Plumas above Blairsden (Gold Lake Road); Sierra Nevada 1524 Comment
  UC1258302  Ranunculus Nancy Morin July 1978 268 Plumas near intersection of A24 and Dyson Lane; Sierra Valley Comment
  JEPS103570  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, ca 150 yards N of the gravel road, ca 1/4 mile (air) W of Lumpkin Ridge Road, ca 1 mile (air) SE of Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1718 Comment
  POM269646  Ranunculus alismifolius var. alismellus Lyman Benson s.n. Plumas Near Quincy 2134 Comment
  UC135578  Ranunculus alismifolius var. alismifolius Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC1075704  Ranunculus alismifolius var. alismifolius Robert J. Weatherby 1955-6-22 1536 Plumas meadow below Spanish Peak 2133 Comment
  CHSC98349  Ranunculus alismifolius var. hartwegii L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  CHSC57828  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 a Plumas Lassen Volcanic National Park. Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. Along the edge of the creek. 1658 Comment
  CHSC70037  Ranunculus andersonii L. P. Janeway 1997-5-14 5125 Plumas Along Road 24N45Y 0.2 mi east of Beckwourth-Genesee Road and Crocker Meadow. 1761 Comment
  SJSU14354  Ranunculus andersonii N. A. Hopkins 1990-5-12 1614 Plumas 16.5 mi NW of Beckwourth on N side of rd to Genesee Comment
  CHSC37018  Ranunculus aquatilis var. capillaceus M. S. Taylor 1982-5-16 4455 Plumas In creek crossing rd, ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  CHSC46683  Ranunculus aquatilis var. diffusus Vernon H. Oswald 1988-8-5 3625 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. In Yellow Creek. 1316 Comment
  SBBG21915  Ranunculus aquatilis var. diffusus D. Myrick 1964-7-19 874 Plumas Hot Springs Crk, Drakesbad 1737 Comment
  RSA726542  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2007-6-17 14163 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  UC118215  Ranunculus flammula T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CHSC81814  Ranunculus flammula var. ovalis Lowell Ahart 2001-10-16 9379 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC60489  Ranunculus occidentalis L. P. Janeway 1992-5-13 4174 Plumas Plumas National Forest. North side of Lake Davis and 950 ft north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  UCR63644  Ranunculus occidentalis B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0958 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  SEINET5338809  Ranunculus occidentalis var. dissectus M. Foster 1988-5-30 150 Plumas Grizzly Valley Quad. 1 mile west of Lake Davis, 12 miles north by NW of Portola. 1768 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  SEINET264185  Rhamnus purshiana S. Gessel 1940-7-15 Plumas Brush Fields Bear Creek Road Comment
  RSA79258  Rhamnus rubra subsp. obtusissima E. K. Balls, Percy C. Everett 1952-10-9 18132 Plumas 2 miles E of S tip of Lake Almanor, Hwy 89 betw Greenville and Almanor. 1159 Comment
  CDA20456  Rhododendron occidentale B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  RSA286332  Rhododendron occidentale R. F. Thorne 1974-7-30 45000 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  CHSC104764  Rhus glabra L. P. Janeway 2010-7-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. 532 Comment
  CAS-BOT-BC438110  Ribes Doris Kildale Gillespie 1930-5-12 9314 Plumas 2 miles east of Chester Comment
  SJSU15161  Ribes aureum var. gracillimum N. Hopkins 1993-5-18 1720 Plumas Dyson Lane, NE corner of Sierra Valley Comment
  JEPS49443  Ribes cereum Jos. Grinnell May, 1927 Plumas Wilson Lake Comment
  CHSC54323  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1991-6-18 4689 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northeast side of the lake. 1920 Comment
  UC1586453  Ribes inerme var. inerme Vernon H. Oswald and Lowell Ahart 1991-7-30 4798 Plumas ca. 6 mi (air) ene Humbug Summit (within the fenced enclosure at the springs, ca. 12 mi (air) s of Chester, w side of valley); Humbug Valley, Big Springs 1310 Comment
  SEINET13942628 Image available Ribes menziesii A. D. E. Elmer 2015-1 4496 Plumas Portola Comment
  HSC103203  Ribes montigenum Jade Paget-Seekins 2010-7-15 45 Plumas On the border of Lassen National Park, just east of Juniper Lake Road. 2023 Comment
  CAS-BOT-BC219220  Ribes nevadense Gladys L. Smith 1976-5-18 s.n. Plumas Right side of road going E, Lower Feather River Canyon 457 Comment
  CAS-BOT-BC219230  Ribes nevadense Ella Dales Cantelow 1941-5-18 3521 Plumas At Johnsville, 4.5 miles W of Mohawk Comment
  UCD19439  Ribes nevadense W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake, along quarry road. 1584 Comment
  SEINET5339753  Ribes nevadense M. J. Williams 1967-4-22 s.n. Plumas 1 mile w. of Storrie, Rocky bank 518 Comment
  UCD102468  Ribes roezlii Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CDA14285  Rigiopappus leptocladus G. F. Hrusa 1997-6-26 13891 Plumas Sierra Nevada; approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CAS-BOT-BC74646  Rorippa curvisiliqua Thomas H. Kearney 1944-8-14 56 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC74641  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake. 1584 Comment
  CHSC53136  Rorippa curvisiliqua var. curvisiliqua L. P. Janeway 1990-7-25 3811 Plumas Plumas National Forest. Along Emigrant Creek about 1 1/4 mi south of Little Grizzly Creek. 1950 Comment
  CHSC81108  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
  CHSC40864  Rorippa sphaerocarpa K. R. Stern 1985-6-25 8194 Plumas Vicinity of Blairsden. 1371 Comment
  CAS-BOT-BC146375  Rosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54377 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  UC467811  Rosa bridgesii H. M. Hall June 1912 9261 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  CHSC75532  Rosa gymnocarpa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas Forest land 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  HSC102789  Rosa gymnocarpa L. Ahart, John Dittes 2009-7-15 16078 Plumas About 2.8 air miles SE of Butt Valley Reservoir Dam, NE of Forest Service Rd. 26N67, south side of FS Road 26N671 1703 Comment
  OBI30645  Rosa gymnocarpa Bernie Smith 1966-7-26 184 Plumas 22N-7e-34 at Pinchard Crk Forest Svc Camp Comment
  SEINET10483535  Rosa pinetorum Mary Susan Taylor 1982-6-17 Taylor 4695 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  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
  CAS-BOT-BC149727  Rosa woodsii subsp. ultramontana John Thomas Howell 1951-6-28 27664 Plumas Jamison Creek Canyon 1584 Comment
  JEPS102528  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  CAS-BOT-BC133120  Rosaceae W. Harnach; N. Harnach 1990-5-12 302 Plumas Sierra Valley. Feather River Ranch 1584 Comment
  OBI69177  Rubus armeniacus Kristina L. Schultz, Dan Schultz 2000-11-3 7 Plumas Quincy Range. Located 1/4 mi off trl at the intersection of Jackson st and Old Meadow Valley rd 1067 Comment
  UC586919  Rubus parviflorus Joseph Andorfer Ewan 1934-6-25 8207 Plumas Gold Lake Road above Denten's ((Blairsden)); Sierra Nevada, above Denten's (Blairsden) 1463 Comment
  CAS-BOT-BC156920  Rubus ursinus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1560 Plumas Fern Glen 1112 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
  SEINET4200652  Rumex crispus W. Harnach, N. Harnach 1989-6-17 149 Plumas Sierra Valley, 200 ft. west of the steel bridge on Marble Lane 1487 Comment
  SEINET10479430  Rumex crispus Mary Susan Taylor 1982-9-8 Taylor 5108 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC434316  Rumex triangulivalvis Thomas H. Kearney 1944-8-14 39 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC445679  Sagittaria cuneata John Thomas Howell 1973-7-9 49706 Plumas Crescent Mills. 1066 Comment
  RSA52908  Sagittaria cuneata R. Weatherby 1950-7-28 1501 Plumas At edge of Taylorsville (near Mt. Hough Road). 1067 Comment
  CAS-BOT-BC445744  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1219 Comment
  CAS-BOT-BC103621  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1651 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  CAS-BOT-BC103628  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas west side of Deer Lake, Gold Lake region Comment
  CAS-BOT-BC103631  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas lake by Oakland Mine, Gold Lake Region Comment
  RSA52884  Salix eastwoodiae R. Weatherby 1950-9-1 1529 Plumas Above Hellgramite Pond near Long Lake. Lakes Basin Area. 2226 Comment
  SEINET3158446  Salix eastwoodiae E. K. Balls 1950-9-1 15586 Plumas E shore of Long Lake, turning from Mt. Elwell. Southern Plumas Co. 2103 Comment
  UC440201  Salix eastwoodiae H. M. Hall 1912-7-8 9312 Plumas Bunker Hill 2133 Comment
  CAS-BOT-BC103879  Salix exigua John Thomas Howell; H. Keith Wagnon 1980-5-26 53591 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  CAS-BOT-BC103887  Salix exigua W. R. Dudley 1909-8-25 s.n. Plumas Sierra Valley Comment
  JEPS102316  Salix exigua Lowell Ahart 2001-6-4 8758 Plumas 5 air miles NE of La Porte (overflow area on N side of South Fork of the Feather River, 1/2 mi SW of the Feather Fork Mine, 1 mi NE of Little Grass Valley Reservoir) 1594 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
  CHSC61706  Salix jepsonii Vernon H. Oswald; Lowell Ahart 1993-8-25 5862 Plumas North Arm of Rice Creek SE of Twin MDws., ca. 0.2 mi upstream from the S boundary of Lassen Volcanic Park. 1987 Comment
  RSA502885  Salix laevigata J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54338 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CHSC112117  Salix lasiandra var. lasiandra L. P. Janeway 2014-7-15 11555 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  UC847137  Salix lasiolepis A. A. Heller 1938-5-30 15135 Plumas bank of river near Virgilia; Feather River 792 Comment
  CAS-BOT-BC128430  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  UC449845  Salix lemmonii L. S. Smith 1931-5-27 7 a Plumas Plumas Meadow Plumas Nat'l Forest, Plumas Meadow Comment
  CAS-BOT-BC125111  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC1134924  Salix ligulifolia D. Axelrod 1934-6-12 36 Plumas 1 mi. s. Fowler Peak; Plumas Nat'l Forest, Downieville Quad. 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
  UC481908  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
  CAS-BOT-BC129383  Salix melanopsis David D. Keck 1932-7-3 1656 Plumas Meadow south of Spanish Creek - Quincy 1066 Comment
  CAS-BOT-BC129394  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester 1350 Comment
  CAS-BOT-BC129400  Salix melanopsis L. W. Swift 1934-9-13 126 Plumas Sloat 1463 Comment
  SBBG57933  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester 1350 Comment
  UC482044  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 396 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  CAS-BOT-BC129092  Salix scouleriana John Warren Duffield 1937-7-25 s.n. Plumas Secton 26 near Schneider Creek 1280 Comment
  CAS-BOT-BC176984  Salsola tragus John Thomas Howell 1955-7-19 30763 Plumas Beckwourth 1493 Comment
  CHSC97160  Sanicula tuberosa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13992 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC337550  Sanicula tuberosa unknown 1889-6-28 31 Plumas Mohawk Valley Comment
  CAS-BOT-BC466215  Sarcodes sanguinea Mary Strong Clemens 1920-6-1 s.n. Plumas Crystal Lake Comment
  RSA715684  Schedonorus arundinaceus L. Ahart, Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1598 Comment
  SEINET10472669  Schoenolirion album Mary Susan Taylor 1982-6-6 Taylor 4610 Plumas T25N R7E nw sec 4. Almanor SW quad. S side of Caribou Rd, ca. 1 mi ne of Queen Lily Campground, ca. 4 air mi ne of Belden. 2700 ft. 823 Comment
  UCD50091  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terraces, Drakesbad, Plumas County. 1737 Comment
  CHSC58531  Schoenoplectus subterminalis Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5036 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). At the W end of the boggy lake. 1926 Comment
  SD130994  Schoenoplectus subterminalis Lowell Ahart 1980-10-6 2663 Plumas Lake, I(c) mile west of Fowler Park. 1700 Comment
  CAS-BOT-BC35576  Scirpus congdonii Anna Head 1921-7-1 s.n. Plumas near Lake Center Camp, Feather River Region Comment
  UC1100842  Scirpus fluviatilis Malcolm A. Nobs and S. Galen Smith 1949-8-19 1456 Plumas s.e. side Portola Comment
  CAS-BOT-BC111001  Scirpus microcarpus Walter Knight; Irja Knight 1966-9-12 1706 Plumas Rubble Gap. Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC102075  Scirpus microcarpus Lowell Ahart; John Dittes 2009-7-14 16033 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC52746  Scirpus microcarpus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS64007  Scirpus microcarpus W. L. Jepson 1939-8-14 19419 Plumas Willow Creek 1828 Comment
  UC1100830  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-19 1441 Plumas bog and marsh at Butterfly Valley Comment
  CAS-BOT-BC111008  Scirpus microcarpus Claire Etienne 1969-7-26 284 Plumas Off Middle Fork of Feather River; Hwy 89 near Graeagle. 1280 Comment
  UC1585915  Scutellaria antirrhinoides Barbara Ertter 1989-7-4 8684 a Plumas sw of Chester (2.2 mi w of jct with Hwy 89 and Hwy 36) 1463 Comment
  RSA82325  Scutellaria californica F. W. Peirson 1926-6-21 6795 Plumas Flat strip along lake; Lake Almanor. Comment
  SEINET4407855  Sedum albomarginatum P. C. Hutchison 1961-1 2122 Plumas Canyon of the N fork of the Feather River along Hwy. US Alt. 40, on serpentine cliffs above Rich Bar Comment
  CHSC21654  Sedum laxum subsp. laxum D. Brink; L. Mayer 1975-7-6 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC36212  Sedum obtusatum subsp. boreale M. S. Taylor 1982-7-12 4823 Plumas On n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground, near Plumas-Eureka State Park. 1828 Comment
  UCD128399  Sedum obtusatum subsp. boreale Albert Grigarick 2012-7-8 330 Plumas Gray Eagle Trail. 3/4 mi NW of Grass Lake. 1888 Comment
  CDA14753  Sedum spathulifolium G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3312 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek 1341 Comment
  UCR115322  Sedum spathulifolium G. D. Barbe, T. C. Fuller 1982-7-15 3746 Plumas Sierra Nevada, Shale road cut, 5.2 mi NE of junction with road to Red Hill, Plumas National Forest. BM: M 1524 Comment
  UCSB46159  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas Intersection of North Fork Camp Road and Highway 70 Comment
  JEPS79624  Selaginella wallacei Edward Lee 1951-10-8 1763 .9 Plumas Feather Hwy. below N. Fork Comment
  SEINET10530443  Selaginella wallacei Mary Susan Taylor 1981-3-5 Taylor 3400 Plumas T23N R5E ne sec 11. Pulga quad. S side of Hwy 70, Butte-Plumas County line, ne of Pulga. 1800 ft. 549 Comment
  CAS-BOT-BC363366  Senecio aronicoides Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CAS-BOT-BC363602  Senecio fremontii var. occidentalis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC363732  Senecio hydrophilus John Thomas Howell 1951-8-20 28218 Plumas Indian Valley 1097 Comment
  SEINET3148726  Senecio hydrophilus E. K. Balls 1950-9-6 15685 Plumas Road from Quincy to East Quincy 1097 Comment
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC85480  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC85678  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3691 Plumas Sierra Nevada foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  JEPS121735  Senecio integerrimus var. exaltatus B. Castro and L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels. Comment
  SEINET12725693 Image available Senecio serra A. A. Heller, B. B. Kennedy 1907-7-16 8860 Plumas Genessee valley near Genessee Comment
  UCD135736  Senecio serra var. serra A. A. Heller; P. B. Kennedy 1907-7-16 8860 Plumas Genessee valley near Genessee. Comment
  CAS-BOT-BC364396  Senecio triangularis John Thomas Howell; Gordon H. True 1967-7-11 43365 Plumas Southeast slope of Mt. Hough 2042 Comment
  JEPS115175  Senecio triangularis Lowell Ahart, John Dittes 2009-7-13 16045 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC364768  Sericocarpus oregonensis subsp. californicus Edward Pittman 1965-10-16 226 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  UC711967  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris and Laura Lorraine 1941-8-8 10418 Plumas 3 mi from, on road to Lake Almanor Greenville Comment
  CHSC61704  Sibbaldia procumbens Vernon H. Oswald; Lowell Ahart 1993-8-25 5870 Plumas Lassen Volcanic National Park. North Arm of Rice Creek near the N end of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the edge of the creek. 2057 Comment
  UCD19154  Sidalcea June McCaskill 19__? 329 Plumas Lake Almanor region? Comment
  UCD147776  Sidalcea asprella subsp. nana Allyson Ayalon; Lucie Jerabkova 2012-8-1 138 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CHSC68369  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River. 1389 Comment
  CHSC82965  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7698 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  CAS-BOT-BC205769  Sidalcea oregana Paul F. Covel 1937-7-20 869 Plumas Quincy Comment
  SDSU3012  Silene bridgesii D. F. Howe 1964-7-29 3893 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CDA3475  Silene conoidea J. Budaj 1965-8-1 Plumas Sheehan ranch, 4 miles northeast of Greenville. 0 Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  RSA59180  Silene douglasii E. K. Balls 1950-9-1 15616 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CAS-BOT-BC388989  Silene laciniata subsp. californica Clarence R. Quick 1934-7-4 1331 Plumas Headwaters of Clear Creek, Plumas National Forest Comment
  CAS-BOT-BC388992  Silene laciniata subsp. californica Wall 1939-6-1 s.n. Plumas Brush Creek Comment
  CAS-BOT-BC389388  Silene lemmonii Rimo Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CHSC20734  Silene lemmonii K. R. Stern 1975-7-23 5902 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC389374  Silene lemmonii L. P. Janeway 1990-6-19 3722 Plumas Plumas National Forest, Beckwourth Ranger District, Rattlesnake Compartment. West of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley 1402 Comment
  CAS-BOT-BC389381  Silene lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1948 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  UCSB15992  Silene lemmonii Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek; upper rrainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  UCSB27410  Silene lemmonii Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam 1158 Comment
  NY453072  Silene menziesii Mrs. Ames 1876-1 s.n. Plumas Comment
  CAS-BOT-BC389498  Silene menziesii Mrs. Jos. Clemens 1919-10-10 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC181366  Silene occidentalis John Thomas Howell 1951-6-27 27557 Plumas Johnsville - Sierra Nevada 1584 Comment
  CDA33247  Sisyrinchium bellum L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CHSC87981  Sisyrinchium bellum Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 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
  RSA0089040  Sisyrinchium elmeri Bonnie C. Templeton 1968-6-9 11252 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  JEPS118393  Smilacina racemosa Lowell Ahart 2011-9-20 17692 -A Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2001 Comment
  UC570692  Solanum umbelliferum Herbert L. Mason 1924-6-19 1066 Plumas slide just west of Gold Lake Comment
  RSA79299  Solidago californica E. K. Balls, Percy C. Everett 1952-10-9 18128 Plumas 8.5 mi NW of jct. of Hwys 89 and 24 at Mohawk. 1372 Comment
  CAS-BOT-BC365513  Solidago elongata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1516 Plumas Butterfly Botanical Area and Vicinity. North end of Pond Reservoir 1097 Comment
  UC1999895  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9304 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  SD51283  Solidago spectabilis Darley F. Howe 1961-8-4 3133 Plumas East side of Lake Almanor, 6.0 miles from junction with Highway 89 at south end of lake. 1372 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
  UC1128676  Sorbus californica F. W. Embree 1934-6-6 61 Plumas Three Lakes; Plumas National Forest 1889 Comment
  RSA716417  Sorbus scopulina var. cascadensis L. Ahart, J. Dittes 2005-9-19 12381 Plumas On the S side of Taylor Lake. About 6 miles (air) SW of Antelope Lake. 2081 Comment
  CHSC46717  Sparganium natans V. Oswald; W. Dempsey 1989-8-24 3964 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. 1828 Comment
  RSA246605  Sparganium natans Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42364 Plumas Plumas Natl Forest; Snag Lake 2058 Comment
  CHSC103143  Spergularia rubra Lowell Ahart; John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113865  Spergularia rubra Lowell Ahart 2014-9-9 19838 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
  CHSC77048  Spergularia rubra L. P. Janeway 1996-8-20 5073 Plumas Granite Basin; upper drainage of Little North Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CAS-BOT-BC290607  Spiraea Peter Rubtzoff 1978-8-4 9243 Plumas West side of Highway 89, 0.2 miles north of Spanish Creek crossing (ca. 0.75 miles north of Quincy). Comment
  RSA286333  Spiraea douglasii Robert F. Thorne 1974-7-30 44999 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  CHSC91697  Stachys ajugoides var. ajugoides G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16287 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: edge of bog. 1158 Comment
  CHSC52071  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3550 Plumas Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. Along side of creek. 1752 Comment
  CHSC52074  Stachys ajugoides var. rigida L. P. Janeway 1990-8-24 3834 Plumas Plumas National Forest. At edge of Coldwater Cr at crossing of dirt road ca 1 1/2 mi W of Red Clover Cr. Site disturbed by the road crossing. 1981 Comment
  RSA59246  Stachys rigida subsp. rivularis E. K. Balls 1950-8-31 15535 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  UC120034  Stellaria calycantha Mrs. R. M. Austin 1882-8-10 Plumas Lassen's Peak Comment
  JEPS114798  Stellaria crispa Lowell Ahart 2008-8-13 15169 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC81361  Stellaria media L. P. Janeway 1996-5-7 4960 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CAS-BOT-BC393828  Stellaria media John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2136 Plumas Pond reservoir, Butterfly Botanical Area and vicinity, 1066 Comment
  CAS-BOT-BC5618  Stenotus acaulis A. A. Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC375208  Stephanomeria elata John Thomas Howell 1976-7-14 51822 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CAS-BOT-BC375617  Stephanomeria lactucina John Thomas Howell 1951-6-27 27561 Plumas Johnsville 1584 Comment
  JEPS36828  Stephanomeria paniculata W. L. Jepson 1918-8-16 8008 Plumas Engels Light Creek 1341 Comment
  UC1070307  Stephanomeria virgata subsp. pleurocarpa C. W. Hanks 1934-8-30 60 Plumas ridgetop 1 mi s Bald Rock; Plumas National Forest, Sierraville Quad. 1737 Comment
  CHSC112383  Stipa nelsonii var. dorei L. P. Janeway 2014-7-17 11561 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  SEINET10610747  Stipa occidentalis John Thomas Howell 1967-7-11 Howell 43336 Plumas Summit Ridge of Mt. Hough, (metamorphic area). 2195 Comment
  UC1563900  Streptanthus cordatus Barbara Ertter with Gary Schoolcraft 1989-7-3 8653 Plumas 8 air mi s Susanville (w-facing steep rocky slope below Red Rock lookout) 2255 Comment
  CAS-BOT-BC87791  Streptanthus tortuosus Anna Head 1921-7-6 s.n. Plumas Feather River Region. Middle of canyons. Comment
  CAS-BOT-BC87796  Streptanthus tortuosus Mrs. H. C. Cantelow 1941-5-18 3632 Plumas 1.5 mile west of Johnsville on road to Gibsonville. Comment
  UCD116279  Streptanthus tortuosus Robert E. Preston 1983-5-26 387 Plumas Highway 70, 0.8 km east of Caribou Road. 732 Comment
  JEPS108761  Streptanthus tortuosus var. orbiculatus Lowell Ahart 2006-7-3 12904 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the south edge of a dry open basalt flat 1527 Comment
  SEINET3840881  Streptanthus tortuosus var. tortuosus G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-26 3372 Plumas walker Plains, Basalt formation along the Plumas-Butte county line 1550 Comment
  CHSC84883  Swertia albicaulis var. nitida R. D. Fischer; Jenny Marr 2003-7-4 7 Plumas Northern Sierra Nevada, Butt Valley Reservoir, approx 5 miles south of Almanor. Plant collected between the main rd and lake along the eastern shore of the southern half of lake. Streambed 75 ft. from lake shore. 1264 Comment
  CAS-BOT-BC245862  Symphoricarpos Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt., Sierra Nevada 2133 Comment
  CAS-BOT-BC237012  Symphoricarpos mollis John Thomas Howell; Walter Knight; Irja Knight 1966-7-27 1647 Plumas Near road in upper part of Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC97558  Symphyotrichum ascendens John Thomas Howell 1961-9-22 36814 A Plumas Greenville 1088 Comment
  SJSU14207  Symphyotrichum ascendens N. A. Hopkins 1989-8-7 1571 Plumas near Red Clover Valley by road between Beckwourth & Genessee Valley 1676 Comment
  CHSC99985  Symphyotrichum bracteolatum L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9599 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 Comment
  JEPS127586  Symphyotrichum bracteolatum L. P. Janeway 2015-7-29 11809 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quince Road; between Bird Creek, Onion Valley Creek, and Finger Board. Onion Valley 7.5' Quad. Comment
  JEPS40744  Symphyotrichum bracteolatum W. I. Follett 1937-9-6 Plumas Rich Gulch 1173 Comment
  CAS-BOT-BC98492  Symphyotrichum spathulatum Walter Knight; Irja Knight 1966-9-12 1733 Plumas Butterfly Botanical Area and Vicinity - Fern Glen Comment
  CAS-BOT-BC98493  Symphyotrichum spathulatum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UCD134109  Symphyotrichum spathulatum G. F. Hrusa 1992-10-8 10497 Plumas Northeast corner of Snake Lake. Immediate end of vehicle access road. 1219 Comment
  CHSC66748  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1996-8-14 8149 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  UCD86128  Taeniatherum caput-medusae Beecher Crampton 1970-6-25 8636 Plumas East Quincy. 1043 Comment
  CHSC94782  Tanacetum vulgare Lowell Ahart 2006-10-8 13406 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  CAS-BOT-BC376835  Tanacetum vulgare David D. Keck 1932-7-3 1626 Plumas Quincy, in the Northern Sierra Nevada. Along branchlet of Spanish Creek 1065 Comment
  UCD136736  Taraxa