Search Results — 2000 specimen records retrieved (1427 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
  JEPS104251  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas Ca 40 yd s of the road to Tamarack Flat, on n side of a small branch of Fall River, ca 1/8 mi w of intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte 1714 Comment
  SEINET196507 Image available Acer glabrum J. M. Tucker 1948-7-25 1737 Plumas At mine of United Mining Co. Pinchard Creek, southwest side of Camel Peak 1520 Comment
  CAS-BOT-BC330979  Acer glabrum var. glabrum Gladys L. Smith 1976-6-7 4611 Plumas Sierra Nevada. S end of summit ridge, secondary road from Quincy to La Porte. Drainage of Middle Fork Feather River. 1950 Comment
  UCD116998  Acer macrophyllum Dean Ahrenholz 1964-5-9 14 Plumas Indian Creek. Comment
  UC1125402  Achillea millefolium F. W. Embree 1934-6-12 108 Plumas w end Haskins Valley; Bidwell Bar Quad., Plumas National Forest 1615 Comment
  HSC4558  Achillea millefolium W. R. Rogers 1966-6-22 212 Plumas 1951 Comment
  UCD51446  Achnatherum X bloomeri John Thomas Howell 1962-6-19 37841 Plumas The Buttes, n. Sierra Valley. 1493 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
  UC1133123  Achnatherum lemmonii C. W. Hanks 1934-8-6 10 Plumas nw end Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UCD50595  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC210745  Achnatherum nelsonii John Thomas Howell 1962-6-18 37775 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC217986  Achnatherum nelsonii John Thomas Howell 1960-7-22 35894 Plumas Near Soda Springs 1828 Comment
  JEPS113675  Achnatherum nelsonii subsp. dorei Lowell Ahart, Josephine Guardino 2007-7-20 14341 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC210846  Achnatherum occidentale subsp. californicum Thomas H. Kearney 1944-8-14 14 Plumas Near Prattville, Lake Almanor Comment
  RSA71303  Achnatherum occidentale subsp. californicum L. S. Rose 1951-6-27 51022 Plumas Johnsville. 1601 Comment
  CHSC58053  Achnatherum occidentale subsp. occidentale Vernon H. Oswald; Lowell Ahart 1992-6-2 4970 Plumas Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1822 Comment
  CAS-BOT-BC210927  Achnatherum occidentale subsp. pubescens Gordon H. True 1973-8-1 50195 Plumas Ca. 2.5 miles se. of Diamond Mt. 2164 Comment
  CAS-BOT-BC218039  Achnatherum stillmanii Lowell Ahart 1980-7-27 2487 Plumas E of Four Water Creek 1500 Comment
  CHSC20744  Acmispon americanus var. americanus K. R. Stern 1975-7-24 5882 Plumas SE shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC391466  Aconitum columbianum subsp. columbianum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC391485  Aconitum columbianum subsp. columbianum Ira L. Wiggins 1948-9-15 12055 Plumas On ridge between canyons of Onion Creek and the Middle Fork of the Feather River Comment
  JEPS114407  Aconitum columbianum var. columbianum Lowell Ahart 2008-7-16 15081 Plumas In a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  CAS-BOT-BC412612  Aconogonon alaskanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC412895  Aconogonon davisiae John Thomas Howell 1951-6-28 27692 Plumas Eureka Peak 2133 Comment
  CHSC70272  Aconogonon phytolaccifolium B. Castro; R. Zebell 1989-8-3 338 Plumas Ca 2.5 air mi S of Bucks Lake, in tributary to main stream which flows southward through center of section. In wet sand at edge of stream. 1828 Comment
  CHSC75521  Aconogonon phytolaccifolium G. F. Hrusa; T. D. Wilfred 1996-7-9 13195 Plumas Grizzly Campground, s of Bucks Lake on Hwy 162. 1600 Comment
  CHSC84342  Actaea rubra Lowell Ahart 2003-8-13 10502 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  JEPS115559  Actaea rubra Lowell Ahart, John Dittes 2009-7-27 16178 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  JEPS115199  Adenocaulon bicolor Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16117 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
  CHSC100139  Adiantum aleuticum L. P. Janeway; B. Castro 2008-9-13 9591 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km north-northwest of Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1649 Comment
  SD9508  Adiantum aleuticum Mrs. R. M. Austin 1880-1 Plumas Comment
  CHSC34266  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas Between Drum and Notson Bridges, N side of Beckwourth-Genesee Rd, ca. 7 air mi E of Genesee. 1584 Comment
  CHSC60071  Ageratina occidentalis B. Castro; L. P. Janeway 1992-7-18 458 Plumas Ca 1.5 road mi N of Lakes Basin Campgd at W edge of Gold Lake Hwy overlooking Lily Lake. 1828 Comment
  RSA184946  Ageratina occidentalis L. S. Rose 1966-7-27 66063 Plumas Butterfly creek and Spanish creek, 1 mile south of Keddie. stream banks. 991 Comment
  CAS-BOT-BC21382  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1960-7-18 35562 Plumas Drakesbad 1828 Comment
  CHSC36855  Agoseris glauca var. monticola M. S. Taylor 1982-7-28 4759 Plumas Ramelli Ranch, S side of Hwy 70, ca. 1 mi W of Beckwourth. 1487 Comment
  CHSC102139  Agoseris grandiflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16245 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC22909  Agoseris heterophylla Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1965 Plumas Butterfly Botanical Area and vicinity, Trestle glen 1112 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-BC13314  Agoseris parviflora Alice Eastwood 1918-5-25 6983 Plumas Portola Comment
  CAS-BOT-BC13439  Agoseris retrorsa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity, between valley proper and Darlingtonia bog. 1066 Comment
  UC54348  Agrimonia gryposepala H. M. Hall and E. B. Babcock Jul 1903 4428 Plumas Greenville; Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC127593  Agropyron cristatum John Thomas Howell 1962-6-18 37794 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC127497  Agrostis capillaris John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54122 A Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC127082  Agrostis exarata John Thomas Howell 1961-9-24 36918 Plumas Sierra Nevada. Feather River bed southwest of Beckwourth. 1487 Comment
  CAS-BOT-BC127088  Agrostis exarata Thomas H. Kearney 1944-8-14 4 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC127094  Agrostis exarata John Thomas Howell 1959-9-25 35005 Plumas Sierra Nevada. 2 miles east of Portola. 1484 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  CHSC81176  Agrostis exarata Lowell Ahart 2001-8-29 9243 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 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
  UC1100102  Agrostis exarata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1414 Plumas about 2 mi s Greenville; Indian Valley Comment
  UCR123521  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6865 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  SEINET13709328  Agrostis exarata Lowell William Ahart, Lowell William Ahart 2001-1 9243 Plumas W Side Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CAS-BOT-BC139610  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1531 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC139409  Agrostis hyemalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC138997  Agrostis pallens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 2000 Comment
  CAS-BOT-BC138711  Agrostis scabra John Thomas Howell 1926-7-26 2127 Plumas Near Prattville. 1371 Comment
  CAS-BOT-BC138717  Agrostis scabra Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. Near Boiling Springs Lake. 1798 Comment
  CHSC24271  Agrostis scabra K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC97079  Agrostis scabra Lowell Ahart; Josephine Guardino 2007-7-20 14340 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC138707  Agrostis scabra John Thomas Howell 1960-7-20 35774 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  RSA196478  Agrostis stolonifera J. T. Howell 1926-7-26 2135 Plumas Near Prattville 1372 Comment
  CHSC92275  Agrostis variabilis Lowell Ahart; Josephine Guardino 2005-8-10 12324 Plumas Bog in a small wet meadow, a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC94992  Aira caryophyllea Lowell Ahart 2006-10-23 13494 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC138371  Aira caryophyllea var. caryophyllea John Thomas Howell 1961-9-23 36868 Plumas Sierra Nevada. Indian Valley. 1082 Comment
  CAS-BOT-BC267063  Alisma Fred Sommers; Greg Sommers 1976-8-12 209 F Plumas 1 km SE of metal bridge, Sierra Valley Marsh Comment
  UC1583993  Allium amplectens G. Schoolcraft 1990-6-4 2073 Plumas about 5 mi e Beckwourth (on s side of Hwy. 70) 1490 Comment
  CAS-BOT-BC461098  Allium anceps John Thomas Howell; H. Keith Wagnon no date listed on sheet 53629 Plumas about 1.5 miles northwest of Alamanor (near intersection of Hwy 89 and Humboldt Road), Sierra Nevada 1389 Comment
  CDA15892  Allium campanulatum G. F. Hrusa, B. Smith 1996-7-16 13227 a Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC101844  Allium campanulatum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15873 Plumas About 1/3 miles (air) west of Lake Almanor Dam, east of Forest Road 27N01Y, gentle slopes south of a small stream. 1462 Comment
  CHSC21226  Allium campanulatum F. T. Griggs; A. Pass 1975-7-16 188 Plumas N. shore of Lower Buck's Lake. Comment
  CHSC46522  Allium campanulatum Lowell Ahart 1974-7-3 512 Plumas Along Bunker Hill Ridge, near Mount Etna, about 12 miles north-east of La Porte. 1981 Comment
  UC942868  Allium campanulatum Lewis S. Rose 1951-6-27 51046 Plumas sw Johnsville; Jamison Creek 1889 Comment
  SJSU14347  Allium lemmonii N. A. Hopkins 1990-5-12 1622 Plumas 17.2 mi NW of Beckwourth on rd to Genessee 1706 Comment
  CAS-BOT-BC474279  Allium obtusum var. obtusum Anna Head 1921-7-25 s.n. Plumas Top of Bear Ridge where snow lay long. Feather River Region Comment
  CHSC63432  Allium parvum Vernon H. Oswald 1994-6-8 6263 Plumas E side of Juniper Lake Rd. just S of the boundary of Lassen Volcanic National Park, N of Chester. 1973 Comment
  UC2013025  Allium parvum Barbara Ertter 1990-5-13 8963 Plumas North side Highway 36 on west side of Chester, jeffrey pine flat across from county road department. Comment
  CAS-BOT-BC205712  Allium platycaule James R. Shevock 1985-5-19 11163 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir 1800 Comment
  SEINET8191553  Allium platycaule W. Harnach, N. Harnach 1990-5-12 289 Plumas Sierra Valley, County Road A-23, S of Marble Lane, on Wilson brothers ground (Rock pile). 1515 Comment
  CAS-BOT-BC474091  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, Along FS 28N03 between FS 27N25 and FS 26N16 Comment
  SEINET8191575  Allium platycaule Unknown 1919-5-11 s.n. Plumas Beckwourth. Comment
  SJSU15151  Allium platycaule N. A. Hopkins 1993-5-27 1723 Plumas c. 3 mi N of Portola Comment
  CHSC57105  Allium validum L. P. Janeway 1991-7-23 4094 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  CDA17233  Allophyllum gilioides subsp. violaceum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16336 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
  SEINET11263972  Allophyllum integrifolium Lowell Ahart 2002-7-18 9862 Plumas About 1/8 mile north of the intersection of Lumpkin Ridge Road and roat to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte.; 0 1765 Comment
  CAS-BOT-BC171352  Alnus incana subsp. tenuifolia John Thomas Howell 1951-8-20 28203 Plumas Indian Valley. Sierra Nevada 1066 Comment
  CAS-BOT-BC171358  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1866 Plumas Butterfly Botanical Area and vicinity. W of Pond Reservoir 1097 Comment
  JEPS88518  Alnus incana subsp. tenuifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8043 Plumas e end of marsh ca 1.4 mi s Last Chance Campground (n end of lake, at streams and marshy meadow extending e from road 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  SEINET196506 Image available Alnus incana subsp. tenuifolia J. M. Tucker 1948-7-24 1727 Plumas Near rd from Cascade to Camel Peak 1620 Comment
  CAS-BOT-BC171373  Alnus incana subsp. tenuifolia Hans Leschke 1956-9-21 s.n. Plumas Manzanita Lake. Lassen Volcanic National Park 1781 Comment
  SEINET10678458  Alnus incana subsp. tenuifolia Bonnie C. Templeton 1967-4-23 Templeton 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  NY42164  Alnus rhombifolia J. B. Walker 1994-8-3 870 Plumas On La Porte Rd, 10km S of junction with Hwy 70 1400 Comment
  CHSC44123  Alopecurus aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC53754  Alopecurus aequalis L. P. Janeway 1989-7-25 3526 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd111) 6.4 mi north of Beckwourth. 1737 Comment
  JEPS76235  Alopecurus aequalis W. L. Jepson 1939-8-12 19406 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  SEINET256574  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Ca 4.25 mi NE of La Porte; Little Grass Valley Reservoir where S Fork of Feather River joins lake 1585 Comment
  CAS-BOT-BC138026  Alopecurus carolinianus W. Harnach; N. Harnach 1991-6-21 560 Plumas Sierra Valley. Next to RailRoad bridge east of County Road A-23. 1487 Comment
  UC1585909  Amaranthus californicus Barbara Ertter 1988-10-21 8009 Plumas 1.5 mi e Chester (e end of causeway, n of road); Lake Almanor 1341 Comment
  CHSC98312  Amelanchier alnifolia var. pumila L. P. Janeway 2007-5-20 8990 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather River to the north); at junction of Roads 25N17, 25N57, 25N59. Southeast-facing slope of rocky serpentine soil. 1573 Comment
  CHSC98337  Amelanchier alnifolia var. pumila L. P. Janeway 2007-6-3 9021 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC136775  Amelanchier utahensis W. R. Dudley 1909-8-29 s.n. Plumas Hot Springs, Sierra Valley Comment
  SBBG33905  Amelanchier utahensis L. S. Rose 1969-6-24 Plumas Butterfly Crk and Spanish Crk 853 Comment
  UC577942  Amsinckia tessellata var. tessellata E. Sawyer 1935-6-14 102 Plumas 3/4 mi w of Sugarloaf 1524 Comment
  CHSC100442  Anaphalis margaritacea Lowell Ahart 2008-9-10 15361 Plumas On both sides 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
  CHSC36318  Anaphalis margaritacea M. S. Taylor 1982-8-10 4951 Plumas End of spur rd off Seneca Rd (306) at Salmon Creek, ca. 2 air mi S of Canyon Dam. 1524 Comment
  CHSC66750  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1996-8-14 8155 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.).Northern High Sierra Nevada. 1127 Comment
  RSA0105545  Anaphalis margaritacea Lowell Ahart 2014-8-24 19743 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air), north of La Porte. 1533 Comment
  CHSC35947  Anemone drummondii M. S. Taylor 1982-5-18 4470 Plumas Jcts of Rd 27N39 and 26N18, ca. 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1645 Comment
  POM147070  Anemone drummondii Alice Eastwood 1927-6-15 s.n. Plumas On trail to long Valley. Comment
  CHSC63444  Angelica breweri Lowell Ahart 1994-7-28 7530 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  RSA59305  Angelica breweri E. K. Balls 1950-9-12 15790 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County. 2012 Comment
  SDSU2303  Angelica breweri D. F. Howe 1959-8-3 2784 Plumas 30 miles north of Quincy on #89 by stream. 1372 Comment
  SEINET10939787  Angelica breweri Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3896 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
  CHSC40249  Antennaria argentea K. R. Stern 1985-6-25 8253 Plumas Vic. Blairsden. 1371 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
  CAS-BOT-BC59306  Antennaria argentea H. F. Copeland 1920-7-12 106 Plumas Chaparral on Butt. Mt. 1828 Comment
  CHSC57251  Antennaria dimorpha L. P. Janeway 1991-5-28 3969 Plumas Plumas National Forest. South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). 1719 Comment
  CHSC52382  Antennaria geyeri L. P. Janeway 1989-6-20 3348 Plumas Plumas National Forest. Along S'ly edge of Red Clover Valley. 1691 Comment
  JEPS7474  Antennaria geyeri Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3483 Plumas 1/2 mi e of the town limits Portola 1493 Comment
  SEINET6755238 Image available Antennaria luzuloides A. A. Heller, 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
  CAS-BOT-BC79970  Antennaria microphylla Arthur C. Barrett 1915-6-20 224 Plumas Boulder Creek, near the station 1645 Comment
  POM181082  Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CAS-BOT-BC84649  Anthemis cotula Walter Knight; Irja Knight 1967-9-16 2254 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC66654  Anthoxanthum odoratum Vernon H. Oswald; Lowell Ahart 1996-7-15 8052 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground of Forest Rd 28N11. 1371 Comment
  UCD56236  Anthoxanthum odoratum R. Tofsrud 1949-6-1 s.n. Plumas Vicinity of Quincy. Comment
  JEPS20831  Antirrhinum vexillocalyculatum subsp. intermedium S. Galen Smith 1958-7-25 Plumas near Rich Bar (along Feather River Hwy (U.S. 40 Alt), 2.2 mi e of the bridge across the North Fork of the Feather River and the junction with the road to Caribou) 777 Comment
  JEPS50773  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9288 Plumas just e Rich Bar (along Feather River Highway) 762 Comment
  CHSC82361  Aphyllon purpureum Lowell Ahart 2002-7-6 9846 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  UC726467  Apocynum androsaemifolium A. A. Heller 1938-6-14 15157 Plumas near Gray's Flat on State Hwy. 36 Gray's Flat 868 Comment
  JEPS86275  Apocynum androsaemifolium W. L. Jepson 1939-8-7 19347 Plumas near University Camp (Meadow Valley); Meadow Valley 1158 Comment
  SJSU14708  Apocynum androsaemifolium N. A. Hopkins 1991-6-26 1691 Plumas between Milford fork & Janesville on road N from Red Clover Valley 1524 Comment
  SEINET3157178  Apocynum cannabinum L. S. Rose 1939-6-8 39262 Plumas Twain 853 Comment
  SEINET10454893  Apocynum pumilum Mary Susan Taylor 1981-7-27 Taylor 4132 Plumas T25N R11E (SE 1/4 NW 1/4) sec. 23. Genesse Valley quad. At pt in Ward Creek Rd., between Ward Creek and Peel Ridge, ca. 2 mi SE of Genesse. Dry rocky (metavolcanic) woods. 4500 ft. 1372 Comment
  SEINET5922912 Image available Apocynum pumilum L. S. Rose 1967-1 67147 Plumas 1 mi S of Keddie, Butterfly Creek & Spanish Creek Comment
  SEINET10454898  Apocynum pumilum var. rhomboideum Mary Susan Taylor 1981-7-17 Taylor 4036 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC397884  Aquilegia formosa Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC397892  Aquilegia formosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54146 Plumas 2.65 miles west of Round Valley Reservoir dam 1569 Comment
  UCR3603  Aquilegia formosa Wm. Horn Jr. 1963-6-19 630619- 8 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CAS-BOT-BC397889  Aquilegia formosa Lowell Ahart 1983-8-17 4335 Plumas West of Pilot Pk., about 11 miles northeast of La Porte. South of Onion Valley, near the Qunicy La Porte Road. 2000 Comment
  RSA95443  Aquilegia formosa J. T. Howell 1951-8-19 28170 Plumas 3 miles E of Rich Bar. 854 Comment
  SEINET10965675  Aquilegia formosa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4335 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10448414  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4476 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  RSA655716  Arabis hirsuta var. glabrata R. R. Halse 1976-6-13 1395 Plumas Plumas National Forest; along State Hwy 89, 5.6 miles NW of Greenville. 1281 Comment
  CDA14667  Arabis holboellii var. pinetorum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3107 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  HSC73004  Arabis holboellii var. retrofracta M. S. Taylor 1981-6-2 3820 Plumas N side of Hwy. 70, on E side of Squirrel Creek, NE of Spring Garden overpass, 7.5 mi. SE of Quincy 1220 Comment
  UC1076328  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas near lake Gold Lake Comment
  JEPS40139  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas upper end of Gray Eagle Creek; near Lake center Camp (near e base of Mt. Elwell) Comment
  CHSC67445  Arceuthobium campylopodum James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2563 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  UCR84522  Arctostaphylos Gladys L. Smith 1976-6-7 4582 Plumas N end of summit area, secondary road between Rte. 70 and La Porte 1951 Comment
  UCD52221  Arctostaphylos manzanita subsp. roofii James I. Mallory 1967-8-15 276 Plumas Gibsonville Ridge; Plumas National Forest. 1798 Comment
  CAS-BOT-BC38619  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51336 Plumas Injun Jim Campground, Feather River Canyon 609 Comment
  SD147587  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51572 Plumas Injun Jim Campground, North Fork Feather River. 609 Comment
  UCR77905.2  Arctostaphylos mewukka subsp. truei J. T. Howell 1976-4-2 51570 Plumas Injun Jim Campground, N Fork Feather River 610 Comment
  CHSC97172  Arctostaphylos nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14016 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
  JEPS16625  Arctostaphylos nevadensis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3955 Plumas on slopes to e Long Lake (Plumas-Sierra Co. boundary); Mt. Elwell region 2042 Comment
  RSA605327  Arctostaphylos nevadensis L. C. Wheeler 1952-9-24 6955 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  UC567082  Arctostaphylos nevadensis C. G. Albertus 1935-8-7 241 Plumas four mi nw Blue Nose; Downieville 2133 Comment
  CAS-BOT-BC42100  Arctostaphylos patula Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 868 Plumas On USFS rd 25N12, 2km west of USFS Quincy work center, 5km N of Quincy. 1500 Comment
  CAS-BOT-BC42115  Arctostaphylos patula Mrs. S. Earle Kelley 1920-7-1 s.n. Plumas Greenville 1097 Comment
  CAS-BOT-BC42123  Arctostaphylos patula Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  JEPS38827  Arctostaphylos patula R. H. Platt 1891-1 Plumas near Prattville Comment
  UC1121175  Arctostaphylos patula E. Sawyer 1935-6-14 112 Plumas 2 mi nne Kerby; Plumas National Forest, Sierraville Quadrangle Comment
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  CAS-BOT-BC47072  Arctostaphylos viscida subsp. viscida John Thomas Howell 1976-4-2 51577 Plumas 2 mi. nw. of Spring Garden. 1173 Comment
  UCD52824  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  SEINET10965520  Arenaria aculeata Mary Susan Taylor 1981-5-14 Taylor 3723 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  SEINET10965530  Arenaria congesta Mary Susan Taylor 1981-7-17 Taylor 4040 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC82214  Arnica chamissonis John Thomas Howell 1960-7-22 35872 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC295854  Arnica dealbata W. W. Wagner 1919-6-29 299 Plumas Grizzly Ridge 2133 Comment
  CAS-BOT-BC82497  Arnica discoidea John Thomas Howell; Gordon H. True 1969-6-23 45825 Plumas Middle Fork of the Feather River at Nelson Point 1249 Comment
  CHSC74060  Arnica discoidea B. Castro; L. Gehrung 1998-7-30 819 Plumas Ca 1.2 mi SE of La Porte, on 'A' spur off Co. Rd 513 (USFS Rd 21N28), on narrow ridge between Spanish Creek and Rabbit Creek. 1463 Comment
  SD8798  Arnica discoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC82503  Arnica discoidea Thos. Harris 1969-7-25 s.n. Plumas on ridge south of Almanor 1584 Comment
  UC586858  Arnica discoidea Joseph Andorfer Ewan 1934-7-25 8217 Plumas above, (Gold Lake Rd) Dentens (Blairsden); Sierra Nevada 1524 Comment
  SJSU11270  Arrhenatherum elatius S. H. Casey 1980-6-18 1162 Plumas Chandler Rd 3 mi N of Quincy Comment
  CHSC57408  Artemisia arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. 1691 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
  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
  CAS-BOT-BC90405  Artemisia douglasiana John Thomas Howell 1961-9-22 36802 Plumas Greenville 1088 Comment
  CAS-BOT-BC90411  Artemisia douglasiana John Thomas Howell 1961-9-23 36865 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC90414  Artemisia douglasiana John Thomas Howell 1955-7-19 30826 A Plumas Mohawk 1371 Comment
  CAS-BOT-BC499177  Artemisia douglasiana A. A. Heller; P. B. Kennedy 1907-7-17 8876 Plumas Red Clover valley Comment
  CAS-BOT-BC90410  Artemisia douglasiana Albert Gould; J. D. Schoelier 1928-7-18 363 Plumas Plumas National Forest, Crocker Ridge-Grizzly cut off 1950 Comment
  CAS-BOT-BC93476  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34952 Plumas Sierra Nevada - 5 miles east of Quincy on road to Portola Comment
  OBI69181  Artemisia tridentata subsp. vaseyana Kristina L. Schultz 2000-11-4 12 Plumas Beckworth distric. Located 3 mi up Last Chance creek from Antelop Rd. off of Hwy 70. 1768 Comment
  RSA786260  Asarum hartwegii P. Reisentz 1979-5-12 s.n. Plumas Lewisia Rock, 3 miles north of Injun Jim Campground on Highway 70 Comment
  UCD22689  Asarum lemmonii Andrea Alfaro 1990-5-12 15 Plumas Quincy quadrangle. On the side of a road. Near a small creek. Under the canopy. Comment
  RSA121922  Asclepias cordifolia D. Axelrod 1934-6-9 s.n. Plumas 2 miles northwest of Lexington Hill 1768 Comment
  UCSB46175  Asclepias cordifolia Reisentz, Paul 1979-5-12 Plumas At Injun Jim Campgrounds, 6.7 miles south of Beldon on Highway 70 Comment
  SD7723  Asclepias fascicularis R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC4694  Asclepias speciosa R. Carter 1966-8-10 474 Plumas Found ca. 8 mi. N Quincy along E side Hwy. 70, 500 yds S of bridge over Spanish Cr. 944 Comment
  UCSB46167  Aspidotis californica Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70 Comment
  CHSC63440  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UC1440101  Aspidotis densa C. D. MacNeill 1978-7-7 Plumas 4 air mi nne Belden (near Queen Lily Campground); N Fork Feather River 792 Comment
  CHSC69677  Aster Vernon H. Oswald; L. Ahart, L. Gehrung, L. Hanson, T. Martin 1992-8-20 5170 Plumas Quincy-La Porte Rd. at the pond at the N edge of La Porte. 1514 Comment
  CAS-BOT-BC97469  Aster M. S. Taylor 1981-8-19 4218 Plumas Blue Nose Mt. quad. S side of 23N10, 0.2 mi w of Bell Creek, ca 1.5 mi w of Sloat 1371 Comment
  UCR63640  Aster alpigenus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0953 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
  RSA471585  Aster breweri L. S. Rose 1932-9-5 32618 Plumas Jamison Lake 1890 Comment
  RSA712638  Aster breweri L. P. Janeway, B. Castro 2005-9-11 8546 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail abut 0.6 km north of Three Lakes 1899 Comment
  CHSC103139  Aster campestris Lowell Ahart; John Dittes 2009-9-7 16375 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA32850  Aster eatonii A. A. Heller 1937-8-10 16177 Plumas Near Keddie near the Feather River Highway. Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC105678  Aster integrifolius Lowell Ahart 2010-10-21 17305 Plumas About 100 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
  RSA59335  Aster occidentalis var. occidentalis E. K. Balls 1950-9-11 15781 Plumas Lakes Center Public Campground, west of stream, opposite lodges. 2043 Comment
  CHSC91919  Aster radulinus Lowell Ahart; Josephine Guardino 2005-8-10 12302 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
  JEPS87576  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas e Frenchman Hill (e of Oroville Quincy Highway, sw of Bucks Lake); sw of Bucks Lake, e of Frenchman Hill 1828 Comment
  RSA0006800  Astragalus lentiginosus var. lentiginosus S. W. Austin 1902-06 s.n. Plumas [Baker City] Comment
  CHSC89023  Astragalus pulsiferae var. pulsiferae L. Hanson 1987-6-16 323 Plumas Plumas National Forest. Gravel pit 5 mi. no. of Chilcoot. 1524 Comment
  RSA107460  Astragalus pulsiferae var. pulsiferae L. S. Rose 1955-7-19 55152 Plumas Beckworth Pass. 1494 Comment
  CHSC52413  Astragalus purshii L. P. Janeway 1989-6-29 3419 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CAS-BOT-BC192954  Astragalus purshii var. purshii Alice Eastwood 1918-5-25 7000 Plumas Portola Comment
  SEINET5326182  Astragalus purshii var. purshii A. A. Heller, P. B. Kennedy 1907-7-4 8727 Plumas Ridge E of Red Clover valley Comment
  CHSC57429  Astragalus purshii var. tinctus L. P. Janeway 1991-5-14 3961 Plumas Plumas National Forest. 1 1/4 mi west of Delleker and Humbug Creek; 1/2 mi northwest of Hwy 70; ca 3 mi west of Portola. 1484 Comment
  UC1601986  Astragalus webberi Lemmon 1875-1 Plumas Indian Valley ne part Sierra Nevada, Indian Valley (northeastern part of the Sierra Nevada) Comment
  SEINET11262422  Asyneuma prenanthoides Robert L. Johnson, Mikel R. Stevens 2015-7-11 3959 Plumas Spanish Creek/Indian Creek drainage. Ca 1.6 rd mi N on Hugh Spur/Shoofly/Old Quarry Rd (fronting rr-track) after jct with Hwy 70/89. Ca 0.6 air mi ssw of Indian Falls.; 0 1023 Comment
  SEINET9630131 Image available Athyrium filix-femina R. V. Chamberlain 1935-8-9 n.s. Plumas Lassen National Park, Calif. Comment
  JEPS35109  Athyrium filix-femina var. cyclosorum W. L. Jepson 1924-7-22 10624 Plumas Rich Point; Middle Fork Feather River 1127 Comment
  SEINET10941930  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 Ahart 16350 Plumas T26N, R7E, northeast 1/4 Section 1. Normal size frond, on damp to wet soil, seep, on the northside 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. 1477 Comment
  SBBG128606  Athyrium filix-femina var. cyclosorum L. Ahart 2008-8-14 15208 Plumas ca. 150 yards NE of logging rd (Forest Rd 22N68), W of the S Fork of the Feather River, ca. 0.5 mi SW of the Feather Fork Mine, ca. 1 mi NE of Little Grass Valley Reservoir 1600 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
  JEPS102443  Azolla microphylla Lowell Ahart 2001-10-8 9326 Plumas On still waters 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
  CDA13922  Balsamorhiza G. F. Hrusa 1997-5-3 13847 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CAS-BOT-BC100038  Balsamorhiza deltoidea John Thomas Howell 1975-6-16 51137 Plumas 2 miles northwest of Spring Garden 1173 Comment
  POM222846  Balsamorhiza hookeri M. Canby 1929-5-12 160 Plumas 15 miles W of Portola Comment
  UC579643  Balsamorhiza hookeri E. Sawyer 1935-5-21 3 Plumas 3/4 mi SW of Beckwith; Sierraville Quad. 1493 Comment
  CAS-BOT-BC106455  Balsamorhiza hookeri L. P. Janeway 1991-5-29 3972 Plumas Plumas National Forest, Bechwourth Ranger District - Crocker Mt. quad, Red Clover Valley; along Bechwourth-Genesee Road 1664 Comment
  SEINET10474459  Balsamorhiza sagittata Mary Susan Taylor 1982-5-7 Taylor 4419 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  CAS-BOT-BC16572  Barbarea orthoceras Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  SD46465  Beckmannia eruciformis Robert J. Weatherby 1950-7-28 1502 Plumas marshy border of Indian Creek, 2 miles south of Crescent Mills 1036 Comment
  CHSC37007  Beckmannia syzigachne M. S. Taylor 1982-8-27 5068 Plumas Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1487 Comment
  POM186829  Beckmannia syzigachne D. D. Keck 1932-7-5 1688 Plumas Quincy, Northern Sierra Nevada. 1067 Comment
  UC224015  Beckmannia syzigachne Mrs. Ames Plumas Comment
  SEINET10869171  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CAS-BOT-BC102173  Bidens cernua L. DeBuhr; C. W. Tilforth 1972-9-20 42311 Plumas Snake lake c. 4 miles NW of Quincy 1219 Comment
  CHSC34899  Bidens frondosa M. S. Taylor 1981-9-2 4268 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. 1371 Comment
  CAS-BOT-BC413051  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC413057  Bistorta bistortoides Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SEINET7379381 Image available Blepharipappus scaber W. Harnach, N. Harnach 1989-5-27 118 Plumas Sierra Valley. Turnoff of Marble Lane and Co. Rd. A-23 1490 Comment
  CAS-BOT-BC14016  Boechera lemmonii Ella Dales Cantelow 1941-5-18 3626 Plumas 1.5 miles west of Johnsville Road to Gibsonville. 1615 Comment
  CHSC72307  Boechera microphylla var. microphylla L. P. Janeway; Glenn Clifton 1998-7-9 5733 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CAS-BOT-BC14104  Boechera pauciflora Arthur Chan 1981-5-15 064 Plumas 1.7 mile north of 89 along highway 49. 1828 Comment
  UCD114129  Boechera pauciflora Robert E. Preston 1985-4-4 513 Plumas Chips Creek, at confluence with North Fork Feather River, w side of Hwy 70. 670 Comment
  CHSC54317  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4684 Plumas Forest Rd 28N38. 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC91678  Boechera pinetorum G. Douglas Barbe; T. C. Fuler 1982-7-15 3747 Plumas Sierra Nevada. Road cut, 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  UC1586429  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4684 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  CAS-BOT-BC14260  Boechera pinetorum Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 0.4 mile from Meadow Valley Inn, near Meadow Valley Creek Ford. Comment
  CAS-BOT-BC14261  Boechera pinetorum Alice Eastwood 1927-6-27 14891 Plumas United States Forest Reserve. On road from Chilcott. Comment
  CAS-BOT-BC14264  Boechera pinetorum Mrs. H. C. Cantelow 1940-5-11 3751 Plumas Near Meadow Valley Creek Ford. Comment
  CHSC94125  Boechera rectissima Lowell Ahart 2006-7-3 12908 Plumas Near the east 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
  CAS-BOT-BC14702  Boechera rectissima John Thomas Howell; Gordon H. True 1967-6-12 42585 Plumas Sierra Nevada. North side of American Valley near Quincy. 1036 Comment
  CAS-BOT-BC25585  Boechera retrofracta Alice Eastwood 1927-6-17 14684 Plumas United States Forest Reserve. Long Valley. Comment
  CHSC67643  Boechera retrofracta J. D. Jokerst 1984-5-13 2006 Plumas East end of Genesee Valley, between Indian Creek and the Indian Cr Rd. 1249 Comment
  CHSC62344  Boechera suffrutescens B. Castro; L. Hanson 1989-8-17 402 Plumas Ca 13 air mi E of Greenville, ca. 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  SD149172  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas South Fork of the Feather River, ca. 1.0 mile southwest of Pilot Peak, ca. 1.25 mile northeast of the Independent Mine, ca. 10 miles southwest of La Porte. 1830 Comment
  CAS-BOT-BC478469  Boisduvalia Clare B. Hardham 1978-8-11 21774 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  RSA512852  Boisduvalia densiflora var. densiflora J. T. Howell 1961-9-24 36904 Plumas Sierra Nevada: Feather River bed southwest of Beckworth. 1488 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
  CHSC110868  Botrychium minganense Tim Hanson; Emily Meigs Doe 2013-7-31 4 Plumas North High Sierra Nevada. On the Southeast side of Silvertip Road (22N60) approximately .9 km north of its intersection with Road 22N68. 1637 Comment
  CDA42736  Botrychium simplex var. compositum L. Ahart 2002-9-8 9934 Plumas About 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte Comment
  CHSC82536  Botrychium simplex var. compositum Lowell Ahart 2002-6-26 9796 Plumas On the northwest side of a seep, on the north side of a stream, about 1/4 mile (air) northwest 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. 1743 Comment
  CHSC82558  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 B Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  CAS-BOT-BC417625  Boykinia major M. S. Taylor 1982-7-21 4889 Plumas Along Willow Creek, ca. 1/2 mi. nw of Nelson Point, ca. 5 mi se of Quincy. 1310 Comment
  CAS-BOT-BC36772  Brassica rapa John Thomas Howell 1966-7-29 42025 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC106226  Brickellia californica W. I. Follett; E. B. Follett 1962-8-7 s.n. Plumas Sierra Nevada - East Branch of North Fork Feather River, 0.3 mile below Rush Creek Comment
  CHSC62421  Brickellia californica L. P. Janeway 1993-9-1 4575 Plumas Plumas National Forest. Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. 914 Comment
  JEPS94512  Brickellia californica Vernon Oswald and Lowell Ahart 1997-9-18 8870 Plumas 10.7 mi n of the Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  CHSC117560  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas Steep slope on the south side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam 1857 Comment
  JEPS124135  Brickellia greenei Lowell Ahart, John Deurloo 2015-8-25 20530 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  SEINET10474489  Brickellia greenei Mary Susan Taylor 1980-9-27 Taylor 3349 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  SEINET10474493  Brickellia greenei Mary Susan Taylor 1981-7-18 Taylor 4057 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  SEINET10533768  Brodiaea coronaria Cantelow 1949-6-11 CANTELOW s.n. 1949 Plumas Feather River Canyon, Calif. Comment
  SEINET8716679 Image available Brodiaea ixioides Stanton A. Coor 1938-1 s.n. Plumas Plumas Co. Alt. 6300. Onion Valley. Comment
  UC143028  Brodiaea minor Mrs. A. L. Coombs 1902-7-7 Plumas Prattville 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
  UCD148349  Bromus carinatus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3287 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC149311  Bromus carinatus var. carinatus C. R. Quick 1947-7-30 47 -68 Plumas Big Bar Mountain. Plumas National Forest. 1249 Comment
  CAS-BOT-BC149317  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-11 43360 Plumas Sierra Nevada. Southeast slope of Mount Hough. 2042 Comment
  CAS-BOT-BC149320  Bromus carinatus var. carinatus John Thomas Howell 1959-9-21 34829 Plumas Sierra Nevada. Greenville. 1088 Comment
  UCSC000046  Bromus carinatus var. carinatus A. E. Wieslander 1933-6-11 316 Plumas 1.5 miles W. of Kerby - Sierraville 46 Comment
  CAS-BOT-BC148702  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35931 Plumas Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148708  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35932 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148712  Bromus carinatus var. marginatus Clare B. Hardham 1970-8-9 17716 T Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC148718  Bromus carinatus var. marginatus John Thomas Howell 1967-7-10 2186 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC148750  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Amanor. 1828 Comment
  CAS-BOT-BC148748  Bromus carinatus var. marginatus L. Whitney 1933-9-20 s.n. Plumas Near Willow Creek northeast Plumas National Forest. 1920 Comment
  SEINET10966908  Bromus catharticus 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 mile W of N tip of the lake, ca. 13 air miles NW of Chilcoot. 1798 Comment
  CAS-BOT-BC155926  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  CAS-BOT-BC155311  Bromus inermis Mary S. Clemens 1920-6-14 3 Plumas Greenville. Comment
  CAS-BOT-BC162158  Bromus orcuttianus Lewis S. Rose 1966-7-27 66060 Plumas Butterfly Valley. 3 miles west of Keddie. 1066 Comment
  JEPS115941  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-13 16037 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC162012  Bromus racemosus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1637 Plumas Butterfly Botanical Area and Vicinity. Area at north of Pond Reservoir. 1097 Comment
  CHSC74037  Bromus suksdorfii B. Castro 1998-10-7 858 Plumas Ca 4 air mi NE of Little Grass Valley Reservoir, on slope just W of Co. Rd 511. Ca 50 ft W of jcn of Co. road and USFS Rd 22N21, at edge of alder drainage. 1889 Comment
  CAS-BOT-BC161352  Bromus tectorum John Thomas Howell 1955-7-19 30755 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC161358  Bromus tectorum Walter Knight; Irja Knight 1967-5-22 1889 Plumas Butterfly Botanical Area and Vicinity. Rubble Gap. 1127 Comment
  CAS-BOT-BC185650  Bromus tectorum C. R. Quick 1957-6-15 57 -07 Plumas About 0.5 mile south of Lake Almanor. Comment
  CHSC53227  Bromus tectorum L. P. Janeway 1989-6-15 3320 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1676 Comment
  RSA29580  Bromus tectorum Joseph A. Ewan 1934-7-19 8249 Plumas Dentens, Mohawk Valley 1616 Comment
  CAS-BOT-BC185352  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Plumas Lakes Center Public Campground. 2042 Comment
  CHSC92116  Calamagrostis canadensis Lowell Ahart; John Dittes 2005-9-20 12429 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  CAS-BOT-BC438483  Calandrinia ciliata John Thomas Howell 1951-6-28 27668 Plumas Jamison Creek 1584 Comment
  SEINET7063408  Calandrinia ciliata A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  CHSC81359  Callitriche stagnalis Lowell Ahart 2001-9-18 9283 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CHSC94969  Calocedrus decurrens Lowell Ahart 2006-9-28 13387 Plumas On the west side of the North Fork of the Feather River, on the west side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek. 646 Comment
  SEINET13289852 Image available Calocedrus decurrens Austin 1876-1 Plumas Plumas Co. Comment
  RSA59108  Calochortus E. K. Balls 1950-8-30 15512 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CHSC91744  Calochortus coeruleus G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3274 Plumas Sierra Nevada. 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  CAS-BOT-BC487766  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, Greenville Comment
  JEPS122421  Calochortus leichtlinii Nisrine Machaka-Houri with Gracie Benson-Martin 2014-6-24 NG 41 Plumas Quincy La Porte, after La Porte Town. Comment
  CAS-BOT-BC490274  Calochortus leichtlinii Anna Head 1920-7-25 s.n. Plumas Feather River region Comment
  RSA52900  Calochortus leichtlinii R. Weatherby 1950-8-11 1521 Plumas Near spring on slopes of Mt. Elwell, Lakes Basin Area 2195 Comment
  JEPS61698  Calochortus minimus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  JEPS103269  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile SW of Grizzly Mountain, about 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  UC569431  Calochortus nudus F. W. Embree 1934-6-12 99 Plumas w end Hawkins Valley; Bidwell Bar Quad. 1615 Comment
  CAS-BOT-BC493423  Calochortus nudus G. D. Barbe; T. C. Fuller; John Thomas Howell 1981-7-26 54393 Plumas 0.3 miles southwest of Buks Summit on road to Buks Lake 1645 Comment
  SD46482  Calochortus nudus Robert J. Weatherby 1955-7-26 1662 Plumas Locally common in dry soil at edge of meadow. Meadow near upper end of Three Lakes trail, near Spanish Peak. 2073 Comment
  UC1136666  Calyptridium monospermum G. T. Nordstrom 1934-7-3 162 Plumas 3/4 mi s of Mount Ararat; Plumas National Forest 1645 Comment
  UC942961  Calyptridium monospermum Lewis S. Rose 1951-6-29 51079 Plumas Feather River, Rock Creek Feather River; , Rock Creek 550 Comment
  SD7710  Calystegia malacophylla Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  CDA14132  Calystegia occidentalis subsp. occidentalis G. F. Hrusa 1997-5-3 13822 Plumas Sierra Nevada; W side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC70247  Calystegia occidentalis subsp. occidentalis B. Castro; R. Fallscheer 1989-8-7 358 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1752 Comment
  CAS-BOT-BC497558  Camassia quamash subsp. breviflora A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  JEPS61548  Camassia quamash subsp. quamash W. L. Jepson 1927-6-23 12317 Plumas near Rice Creek (e of Mill Creek and Morgan, near point called Feather River Meadows) Comment
  SEINET13710061  Camissonia tanacetifolia Lowell William Ahart, Lowell William Ahart 2001-1 9208 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  UC924238  Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge 1066 Comment
  POM67173  Campanula prenanthoides Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  UC1523719  Campanula prenanthoides Gary Schoolcraft 1982-8-2 841 Plumas w Crescent Mills 1371 Comment
  JEPS96903  Cardamine californica Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15943 Plumas Feather River Canyon; Hwy 70 2 road miles W of bridge over the river at Pulga; Plumas National Forest 579 Comment
  CHSC91796  Cardamine nuttallii G. Douglas Barbe; T. C. Fuller 1982-7-16 3754 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beadsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CHSC87636  Cardamine nuttallii var. covilleana Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10931 Plumas Along a dirt forest road, east of Dry Taylor Creek, about 2 miles (air) southwest of Taylor Rock, about 6 1/4 miles (air) northeast of Quincy. 1669 Comment
  CHSC4713  Cardamine pachystigma R. Carter 1966-4-28 382 Plumas Found in Feather R. Canyon at Pauls Cr. (ca. 1.5 mi. NE of Rock Cr. Dam) 50 yds. up E side of creek from Hwy. 70. 731 Comment
  CAS-BOT-BC38092  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  JEPS102240  Cardamine pachystigma var. dissectifolia L. P. Janeway 1996-4-11 4953 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-BC18370  Carex Alice Eastwood 1927-6-1 14656 Plumas Forest Lodge near Greenville. Comment
  UCD20956  Carex E. Bortiri 2002-6-1 WFC 4 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Plumas Co. Comment
  UCD20957  Carex E. Bortiri 2002-6-1 WFC 5 Plumas Faggs Pond, South of Bucks Lake, Plumas NF, Plumas Co. Comment
  CHSC36857  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. 1645 Comment
  CHSC47007  Carex amplifolia L. P. Janeway 1989-7-21 3513 Plumas Plumas National Forest. At boxed-up spring at crossing of rd 25N85, 1.3 mi from rd 25N05, 2.1 mi NE of Beckwourth-Genesee Rd (rd 111) (and Red Clover Valley), 15.7 mi from Beckwourth. 1737 Comment
  SEINET10586477  Carex amplifolia Mary Susan Taylor 1982-8-9 Taylor 4947 Plumas T26N R8E ne1/4 sw1/4 sec. 3. Almanor NE quad. Around spring at jct of rd 26N17Y and Pliocene Creek, 1 mi NW of Rattlesnake Hill, 2 mi s of Canyon Dam. Mixed Evergreen Forest. With Montia. 1646 Comment
  RSA201332  Carex angustata J. T. Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  RSA754926  Carex angustata L. Ahart, Josephine Guardino 2005-8-10 12316 Plumas 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 1822 Comment
  CHSC116380  Carex angustata Sara M. Talyor; Scott Batiuk and Kendra Sikes 2012-7-18 45 Plumas Quaking Fen, 720 m east of Mill Creek trail. From trailhead walk ~2 miles north on trail and then head east 720 m at a bearing of 260 degrees to fen. UTM zone 10, NAD 83, 4423775 N, 655262 E. 1940 Comment
  CHSC101849  Carex athrostachya Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15879 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CHSC81166  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 northeast of Chester. 1371 Comment
  UC710501  Carex athrostachya Thomas H. Kearney Aug 14-26 1944 22 C Plumas Lake Almanor Prattville Comment
  SEINET10466813  Carex athrostachya Mary Susan Taylor 1982-6-28 Taylor 4780 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  CHSC43004  Carex aurea L. P. Janeway; B. Castro 1987-7-17 2487 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  CAS-BOT-BC19527  Carex bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54370 Plumas Sierra Nevada. 0.75 mile northeast of Bucks Summit on road to Quincy. 1600 Comment
  CHSC80879  Carex bolanderi Lowell Ahart 2001-7-19 8947 Plumas On the sides of Hopkins Creek, about 100 yards northwest 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
  RSA770097  Carex bolanderi L. P. Janeway, B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CAS-BOT-BC19625  Carex brainerdii John Thomas Howell 1960-7-22 35911 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  RSA718393  Carex brainerdii L. Ahart 2006-7-3 12901 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18 1528 Comment
  SBBG33907  Carex brainerdii L. S. Rose 1969-6-23 69043 Plumas La Porte Rd, 8 mi SW of Quincy 1310 Comment
  JEPS87735  Carex deweyana subsp. leptopoda Lowell Ahart 1994-6-17 7359 Plumas about 1 mi n Schwartz Meadow (about 1 mi e Sly Creek Reservoir, on the e side of Sly Creek); Sly Creek 1097 Comment
  UC942955  Carex deweyana subsp. leptopoda Lewis S. Rose 1951-6-28 51029 Plumas 8 mi SW of Johnsville (McRae Meadows) 1950 Comment
  CAS-BOT-BC20598  Carex douglasii Lloyd W. Swift 1931-5-31 42 Plumas Plumas Forest. Murdock Crossing. 2nd meadow, east side. 1676 Comment
  RSA121761  Carex douglasii E. Sawyer 1935-7-12 286 Plumas 3 1/2 miles E of Beckwith Butte. 1494 Comment
  CAS-BOT-BC20115  Carex feta Walter Knight; Irja Knight 1966-6-18 1349 Plumas Sierra Nevada. Butterfly Valley. Pond Reservoir. 1097 Comment
  CHSC99946  Carex fracta Lowell Ahart 2008-8-13 15177 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
  CAS-BOT-BC21973  Carex heteroneura John Thomas Howell 1951-6-27 27590 Plumas McRae Meadow. 1981 Comment
  CDA13994  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-1 13452 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  UCR148892  Carex heteroneura var. heteroneura G. D. Barbe, T. C. Fuller 1982-6-16 3790 Plumas Plumas National Forest. Meadow below Mud Lake, 0.75 mi northeast of Eisenheimer Peak. 2098 Comment
  SEINET11635249  Carex heteroneura var. heteroneura L. P. Janeway 1989-1 3481 Plumas along Jackson Creek, rd 23N11 2.3 mi from hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  HSC95618  Carex hoodii Jim Jokerst 1985-6-10 2401 Plumas Adjacent to Indian Creek, 400 m S of Hwy. 70, 2 mi. SW of Crescent Comment
  CDA17784  Carex integra G. D. Barbe, T. C. Fuller 1982-6-16 3788 Plumas Plumas National Forest; Below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CHSC55558  Carex jonesii L. P. Janeway 1990-7-3 3761 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 3/4 mi south of Little Grizzly Creek. 1905 Comment
  SEINET11160329 Image available Carex jonesii Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10538 Plumas ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt road (county route 308) 1747 Comment
  CHSC62166  Carex laeviculmis L. P. Janeway 1993-8-14 4527 Plumas Plumas National Forest. Along Road 24N29Y, ca 0.2 mi north of Haskins Creek and ca 1/6 mi southeast of Bucks Lake. 1691 Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC94113  Carex lemmonii Lowell Ahart 2006-7-9 12914 Plumas Small bog or wet meadow, 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
  JEPS110425  Carex lemmonii Lowell Ahart 2006-7-9 12914 Plumas Small bog or wet meadow, 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
  CHSC116368  Carex lemmonii Sara M. Taylor; Scott Batiuk 2012-7-31 50 Plumas Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM Zone 10, 4428806 N, 660224 E. 1610 Comment
  HSC95568  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas 150 yds. S of the road, 3/4 mi. W of Lumpkin Ridge Rd., 1 mi. SE of Tamarack Flat, 2 mi. NW of Little Grass Valley Reservoir dam, 5 mi. NW of La Porte 1731 Comment
  CDA18467  Carex multicaulis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3199 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  SEINET10713215  Carex multicostata Barbara J. Ertter 1987-6-17 Ertter 7204 Plumas Ca. 1.5 airmiles N of Chester, open pine forest with little underbrush, T29N, R7E, sec. 32 NWNE. 1372 Comment
  CAS-BOT-BC119863  Carex nebrascensis Thomas H. Kearney 1944-8-14 26 Plumas Near Prattville, Lake Almanor. Comment
  CHSC35945  Carex nebrascensis M. S. Taylor 1982-6-14 4658 Plumas In wet Pioneery Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 1536 Comment
  CHSC47005  Carex nebrascensis L. P. Janeway 1989-7-20 3507 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  CHSC51933  Carex nebrascensis K. R. Stern 1985-6-25 8311 Plumas Vicinity of Blairsden. 1402 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
  CHSC76817  Carex nebrascensis G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3323 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between road and Lights Creek. 1341 Comment
  UC1100501  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1457 Plumas se side Portola Comment
  SEINET7568762 Image available Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2004 Comment
  SEINET4231858 Image available Carex pachycarpa L. Ahart, Dittes, J; Guardino, J 2009-1 16108 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  CHSC118837  Carex pachycarpa Chelsea Morgan 2016-8-4 2016040 Plumas Lassen National Forest. Location north of Snow Mountain, and south of Humbug Summit Road. UTM 633772 E, 4436830 N, NAD 83 Zone 10 North. 1930 Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  CHSC52546  Carex pellita L. P. Janeway 1989-6-22 3374 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw along rd 24N49Y. 1767 Comment
  CHSC98248  Carex pellita Allison Sanger 2002-9-9 Plumas Lassen National Forest. Near the North Fork Feather River at Locherman Canyon Outdoor Classroom. 1536 Comment
  CAS-BOT-BC118131  Carex rossii John Thomas Howell 1960-7-22 35890 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC118137  Carex rossii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54267 Plumas Mt. Hough 2203 Comment
  HSC89404  Carex rossii L. P. Janeway 1989-6-8 3273 Plumas Near Jackson Creek, just E of Feather River Hwy. (Hwy. 70/89) at upper end of Jackson Creek campground 1387 Comment
  CAS-BOT-BC117897  Carex scabriuscula John Thomas Howell 1962-6-16 37644 Plumas Feather River North Fork on road to Caribou. 731 Comment
  CHSC111166  Carex scabriuscula Lowell Ahart 2012-7-1 18262 Plumas On the east side of the dirt road to the large pipe,about 1/4 miles east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  CHSC88552  Carex scabriuscula Samantha Hillaire 2001-7-27 Plumas Plumas National Forest. 1645 Comment
  CHSC60503  Carex sheldonii L. P. Janeway 1992-6-4 4218 Plumas Plumas National Forest. Small pond at far edge of gravel bar along northeast side of Middle Fork Feather River at mouth of Bonta Creek; below the Mohawk Ranger Station. 1316 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
  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
  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
  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
  CHSC97292  Carex straminiformis Lowell Ahart; John Dittes 2007-8-9 14442 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  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
  CHSC110447  Carex subfusca L. P. Janeway 2013-7-15 11182 Plumas Northern High Sierra Nevada. Plumas National Forest: south side of Tamarack Flat close to Road 22N04. 1713 Comment
  CHSC112080  Carex subfusca L. P. Janeway 2014-7-17 11565 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  JEPS115949  Carex subfusca Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15893 Plumas About 200 yards northwest of Lake Almanor Dam, in a mined over area 1421 Comment
  UC1133467  Carex subfusca G. T. Nordstrom 1934-7-2 165 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC115403  Carex utriculata Walter Knight; Irja Knight 1966-6-19 1625 Plumas In very damp area, North end of Pond Reservoir. 1097 Comment
  CHSC117470  Carex utriculata B. Castro; Robin Carter 2010-7-17 1826 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 100 ft downstream of dam outlet a few yards NW of lone Ponderosa pine, 1499 Comment
  CHSC77073  Carex utriculata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 b Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; marshy seep area at the shore of the N arm of the lake. 1706 Comment
  JEPS96113  Carex utriculata Vernon H. Oswald and Lowell Ahart 1996-7-15 8055 Plumas on Forest Rd. 28N11 just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS49032  Carex utriculata Leland S. Smith 1927-8-10 2174 Plumas Gold Lake amd Gold Valley 2255 Comment
  UCD140975  Carex vesicaria L. P. Janeway 2000-7-7 6898 Plumas northern High Sierra Nevada. On west side of Smith Lake. 1247 Comment
  CHSC103157  Carex vesicaria var. vesicaria Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16138 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CDA13385  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13234 Plumas Sierra Nevada; Near summit above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC87129  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  CAS-BOT-BC59034  Cassiope mertensiana Margaret Williams; Emily McPherson 1974-8-5 74 -P-16 Plumas Sierra Nevada - West shoulder of Mt. Elwell - trail to Mt. Elwell, Lakes Basin 2194 Comment
  CAS-BOT-BC248954  Castilleja Clare B. Hardham 1978-8-11 21780 Plumas About 5 miles southeast of Thompson Peak Comment
  CDA14703  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
  UCR270585  Castilleja applegatei John F. Emmel 1998-6-6 1557 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 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
  CHSC102068  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes 2009-7-15 16095 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC52740  Castilleja applegatei subsp. pinetorum L. P. Janeway 1990-7-31 3819 Plumas Plumas National Forest. Between the 2 upper forks of Paradise Cr, ca 1 1/4 mi SW of Little Summit Lake. 2042 Comment
  CHSC70047  Castilleja applegatei subsp. pinetorum L. P. Janeway 1997-5-7 5114 Plumas Along Beckwourth-Genesee Roadt 3.7 mi southeast of Indian Creek. Southwest-facing low ridge above Red Clover Creek. 1365 Comment
  JEPS44367  Castilleja applegatei subsp. pinetorum Walter Knight and Irja Knight 1966-6-18 1274 Plumas Butterfly Valley 1143 Comment
  RSA101393  Castilleja applegatei subsp. pinetorum R. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  UC170956  Castilleja applegatei subsp. pinetorum H. M. Hall 1912-7-24 9368 Plumas Willow Creek; Sierra Nevada Mountains 1249 Comment
  JEPS60471  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. Constance 1969-7-2 6710 Plumas about 7.5 mi se Quincy (on Highway 70) Comment
  JEPS95395  Castilleja arachnoidea Lowell Ahart 1994-7-20 7479 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  UC1562664  Castilleja arachnoidea Barbara Ertter with Gary Schoolcraft 1989-7-3 8659 Plumas ca 8 air mi s Susanville (ridge between Redrock and Diamond Mt.) 2225 Comment
  RSA518869  Castilleja arachnoidea Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8659 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  UC886447  Castilleja campestris subsp. campestris L. R. Miller 1936-6-14 Plumas Sierra Valley Comment
  CHSC112530  Castilleja lacera B. Castro; L. P. Janeway 2009-6-7 1787 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) 200 ft W of its jcn with small dirt rd to lower Thompson Valley. 1700 Comment
  CHSC20833  Castilleja lacera K. R. Stern 1975-7-23 5817 Plumas NW shore of Lake Almanor. 1371 Comment
  UCR53765  Castilleja lacera Lyman Benson 1949-6-21 13741 Plumas Cascade Range, Almanor, 1 mile west of Lake Almanor Inn [W bank of Lake Almanor], Feather River Drainage 1402 Comment
  UCD122597  Castilleja lacera L. P. Janeway 1996-6-5 5002 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch: northwest corner of Sierra Valley: 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 902 Comment
  CHSC21668  Castilleja miniata D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC48977  Castilleja miniata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humbolt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  JEPS81478  Castilleja miniata M. S. Taylor 1982-8-9 4943 Plumas ca 3 air mi sse Canyon Dam (just n of Rattlesnake Creek, e side of 26N16Y); Almanor NE Quad. 1859 Comment
  JEPS89165  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas 2 mi from Spanish Peak summit 2042 Comment
  SEINET10549613  Castilleja miniata Mary Susan Taylor 1982-8-5 Taylor 4937 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  CHSC76069  Castilleja miniata subsp. miniata G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3356 Plumas Meadow 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  HSC93303  Castilleja miniata subsp. miniata Vernon H. Oswald, L. Ahart 1996-8-1 8141 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  CAS-BOT-BC241045  Castilleja pilosa Lewis S. Rose 1963-6-4 63124 Plumas Sierra Valley, 2 mi. s. of Beckwourth 1463 Comment
  CDA21417  Castilleja tenuis G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16316 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
  JEPS80627  Castilleja tenuis M. S. Taylor 1981-6-10 3881 A Plumas ca 11 air mi nw Beckwourth (ca 0.75 mi n of Genesee-Beckwourth Rd, Overland Inc. Ranches, in Red Clover Valley); Crocker Mt. Quad., Red Clover Valley 1676 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
  HSC101673  Ceanothus arcuatus Dillon North Davis 2013-7-1 32 Plumas 5.1 miles south on FS Road 25N17 from intersection with Highway 70, ~200 m west of road. 1519 Comment
  CAS-BOT-BC48616  Ceanothus cordulatus M. B. Kildale 1926-9-11 2727 Plumas Juniper Lake 2054 Comment
  CAS-BOT-BC50735  Ceanothus integerrimus John Thomas Howell 1976-7-16 51877 Plumas Sierra Nevada - Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC50764  Ceanothus integerrimus C. R. Quick 1947-7-30 47 -69 Plumas Bit Bar Mt. 1249 Comment
  SD7268  Ceanothus integerrimus Daniel Cleveland 1877-1 Plumas Mill Creek Comment
  UC338185  Ceanothus lemmonii Lemmon May 1874 Plumas Thompsons ranch, near Quincy Comment
  SEINET10493645  Ceanothus lemmonii Mary Susan Taylor 1982-6-16 Taylor 4675 Plumas T24N R10E se/se sec 16. Quincy quad. In brush on n side of Hwy 70, just e of American Valley (Quincy Bypass) turnoff, just e of East Quincy. 3500 ft. 1069 Comment
  CAS-BOT-BC63290  Ceanothus thyrsiflorus Volney Rattan 1884-5-1 s.n. Plumas Taylorville. Comment
  UCSC000470  Ceanothus velutinus A. Lewis 1934-7-12 511 Plumas 2.5 mile E. of Mt. Fillmore. Downieville 1768 Comment
  CAS-BOT-BC63192  Ceanothus velutinus var. velutinus Lowell Ahart 1989-7-2 6345 Plumas On the nw. side of Pilot Peak, about 10 mi. ne. of La Porte. 2194 Comment
  SEINET5343537 Image available Centaurea maculosa W. Harnach, N. Harnach 1991-7-30 662 Plumas Edge of Co. rd A-23, approx 100 yds north of turnoff to Westside Cemetary on A-23, Sierra Valley. T22N R14E S26 NE of NE1/4 1494 Comment
  CDA43423  Centaurea solstitialis D. G. Kelch 2012-9-19 12 .37 Plumas Route 70 at North Fork of Feather River; 500 m south of turn-off to Pulga. Comment
  JEPS107784  Cerastium arvense Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11751 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area 484 Comment
  SEINET10535918  Ceratophyllum demersum Mary Susan Taylor 1981-9-3 Taylor 4267 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  JEPS127325  Chaenactis douglasii var. douglasii Lowell Ahart 2016-6-29 21082 Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC140758  Chamaebatia foliolosa Mary Strong Clemens 1920-4-24 s.n. Plumas Greenville Comment
  JEPS125726  Chamaesyce serpillifolia subsp. serpillifolia William Harnach 2015-8-6 1438 Plumas 4.85 miles West of Vinton on Highway 70. Comment
  CAS-BOT-BC166081  Chamerion angustifolium subsp. circumvagum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC21326  Chamerion angustifolium subsp. circumvagum F. T. Griggs; A. Pass 1975-7-31 278 Plumas Buck's Lake. Comment
  CAS-BOT-BC66351  Cheilanthes covillei John Thomas Howell 1967-6-22 42659 Plumas near mouth of Chambers Creek, Canyon of the Feather River North Fork 609 Comment
  JEPS107684  Cheilanthes gracillima Lowell Ahart, John Dittes 2005-9-19 12374 Plumas On south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UC1177846  Cheilanthes gracillima P. C. Hutchison Plumas 6 mi n Belden (on road to Longville) 1828 Comment
  UC1874974  Cheilanthes gracillima Ruth Kirkpatrick 2001-7-18 1070 Plumas Eureka Peak 2011 Comment
  CDA15912  Chenopodium atrovirens B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Above upper Bull Run Creek off USFS 23N12E. Comment
  JEPS108996  Chenopodium botrys Lowell Ahart 2006-10-8 13412 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
  NY990873  Chenopodium desiccatum J. T. Howell 1977-8-11 52708 Plumas North end of Frenchmans Reservoir 1707 Comment
  CHSC103152  Chenopodium pumilio Lowell Ahart; John Dittes 2009-9-7 16380 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA724942  Chenopodium pumilio L. Ahart 2006-10-8 13413 Plumas On east bank of Chips Creek, SE of the bridge of Hwy 70, on the N side of the North Fork of the Feather River, about 1.25 miles SW of Belden. 715 Comment
  RSA718946  Chenopodium strictum var. glaucophyllum L. Ahart 2006-10-8 13391 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  SEINET10449190  Chimaphila menziesii Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4015 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-BC452242  Chimaphila umbellata H. L. Mason 1924-6-18 1054 Plumas Road between Graeagle and Gold Lake Comment
  RSA794792  Chimaphila umbellata L. Ahart, John Dittes 2009-7-13 16060 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
  UC1135223  Chrysolepis sempervirens G. T. Nordstrom 1934-7-3 185 Plumas 1.25 mi sw Mt. Ararat; Plumas National Forest 1645 Comment
  UC1135240  Chrysolepis sempervirens C. G. Albertus 1935-8-2 244 Plumas 3 mi ne Blue Nose; Plumas National Forest, Downieville Quad. 1828 Comment
  HSC100814  Chrysothamnus nauseosus subsp. albicaulis Lowell Ahart 2008-9-10 15360 Plumas NW of East Branch Creek, on both sides of Quincy La Porte Rd., ~1.75 (air) mi. S of Little Grass Valley Reservoir, 1 mi. E of La Porte. 1594 Comment
  RSA126613  Chrysothamnus nauseosus subsp. albicaulis C. G. Albertus 1935-10-11 293 Plumas 2.9 miles NE of Loyalton 1524 Comment
  CAS-BOT-BC308934  Chrysothamnus viscidiflorus Greg Sommers 1976-8-4 216 Plumas Sierra Valley Marsh - Sierra Nevada 1524 Comment
  CAS-BOT-BC100831  Chrysothamnus viscidiflorus subsp. viscidiflorus H. Albert Barker 1926-7-11 123 Plumas Feather River - Blairsden 1371 Comment
  UC1136964  Chrysothamnus viscidiflorus subsp. viscidiflorus E. Sawyer 1935-6-4 69 Plumas 7.75 mi nne Sattley; Sierraville Quad. 1493 Comment
  RSA599865  Cicuta douglasii L. C. Wheeler 1959-7-15 7571 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  SEINET10873894  Cicuta douglasii Mary Susan Taylor 1982-6-28 Taylor 4776 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC190010  Cinna latifolia George W. Gillett 1957-7-17 797 -B Plumas Lassen Volcanic National Park. Moist gully running into stream flowing from Little Meadow Lake into Willow Lake. 1767 Comment
  JEPS112952  Cinna latifolia Dean W. Taylor 2001-8-1 17863 Plumas tributary to Hopkins Creek draining from Blue Nose Mountain. along Forest Road 23N10 near the junction with Forest Road 23N43Y 1493 Comment
  JEPS95459  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC33730  Circaea alpina subsp. pacifica M. S. Taylor 1981-7-13 3999 Plumas Along Lookout Creek, ca. 2 mi w of its jct with 28N11, ca. 3 air mi nw of n tip of Frenchman Lake, ca. 15 air mi n of Chilcoot. 1889 Comment
  CHSC43558  Circaea alpina subsp. pacifica Lowell Ahart 1976-7-16 1175 Plumas Seep, about 1/2 mile east of Dogwood Creek, about 1 1/2 miles north-west of Fowler Peak, about 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  CHSC97303  Circaea alpina subsp. pacifica Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14473 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  RSA101427  Circaea alpina subsp. pacifica R. Weatherby 1955-8-6 1678 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  CHSC46671  Cirsium arvense Vernon H. Oswald 1988-8-5 3626 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. Bank of Yellow Creek. 1316 Comment
  CAS-BOT-BC278023  Cirsium cymosum A. A. Heller; P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith [Beckworth/Beckwourth] and Red Clover valley Comment
  CAS-BOT-BC279953  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35987 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET10473703  Cirsium drummondii Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4661 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  CDA13572  Cirsium occidentale var. candidissimum G. F. Hrusa, B. Smith 1996-8-1 13483 Plumas Sierra Nevada; SW-facing slope on SW side of Little Long Valley Creek. approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  SEINET11263031  Cirsium occidentale var. candidissimum D. W. McNeal 1996-7-28 4190 Plumas Below Hwy #89-70 at turnoff to the old Feather River Inn.; 0 Comment
  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
  SEINET13351414 Image available Cirsium ochrocentrum T. C. Fuller Unknown s.n. Plumas unknown Comment
  CDA1512  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1963-8-28 11173 Plumas Sierra Valley; Loyalton-Vinton Hwy ( Hwy 49), just N of Sierra Co. line. Comment
  CDA1513  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller, W. T. Parsons 1960-7-27 4889 Plumas Sierra Valley; W side of Loyalton-Vinton Hwy (Hwy 49) just N of Sierra County line. Comment
  UC1276070  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas 7.3 mi s Vinton (Loyalton-Vinton Rd. just n of co. line) Comment
  CAS-BOT-BC286360  Cirsium scariosum John Thomas Howell 1951-6-29 27736 Plumas Near Spring Garden Comment
  CAS-BOT-BC286446  Cirsium scariosum Greg Sommers 1976-7-6 1278 Plumas 600 meters southeast of metal bridge on Dyson Lane. Sierra Valley Marsh 1524 Comment
  SEINET7836838 Image available Cirsium scariosum A. A. Heller, P. B. Kennedy 1907-7-3 8692 Plumas Red Clover Valley Comment
  CDA1606  Cirsium undulatum J. R. Keck Jr., R. Swanson 1967-8-17 s.n. Plumas About 6 mi. s. of Vinton; 1 mi. n. of county line, 200 yds. w. of Hwy 49 to Loyalton. 0 Comment
  UC170948  Cirsium vulgare H. M. Hall 1912-8-3 9377 Plumas Quincy Sierra Nevade Mountains, Quincy 1066 Comment
  CAS-BOT-BC205708  Cistanthe umbellata James R. Shevock 1985-5-19 11172 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 26N70 at Dixie Valley, and 1.2 miles south of junction with road 28N01 1800 Comment
  CAS-BOT-BC228909  Cistanthe umbellata Helen K. Sharsmith 1955-6-28 4527 Plumas East Branch of North Fork of Feather River, near Pulga 609 Comment
  CAS-BOT-BC228904  Cistanthe umbellata A. A. Heller 1938-5-30 15132 Plumas Along the Feather River near Bucks Creek power house Comment
  CAS-BOT-BC228914  Cistanthe umbellata Alice Eastwood 1927-6-11 14449 Plumas United States Forest Reserve. Crescent Mills Comment
  CAS-BOT-BC228919  Cistanthe umbellata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54400 Plumas Grizzley [Grizzly] Summit, 6 miles southwest of Bucks Lake 1676 Comment
  CAS-BOT-BC162586  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54245 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1737 Comment
  SBBG18852  Clarkia lassenensis C. B. Hardham 1961-6-15 7421 Plumas E of Taylorsville, rd to Engel Mine Comment
  CAS-BOT-BC163279  Clarkia mildrediae subsp. mildrediae F. Thos. Griggs 1975-1-1 170 Plumas Bucks Lake area 1524 Comment
  CHSC27036  Clarkia mildrediae subsp. mildrediae James Jokerst; Robert A. Schlising 1978-6-21 3288 Plumas Feather River Canyon, 4.2 mi N of Storrie (= 9.2 mi N of Butte County line) at Rodgers Flat Power Plant; roadside bank. Along Feather River Highway. Comment
  RSA108403  Clarkia mildrediae subsp. mildrediae Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 752 Plumas Hwy 24, 7.8 mi. S of Yellow Creek Bridge along Feather River Comment
  CHSC115721  Clarkia mildrediae subsp. mildrediae K. Bovee 2014-5-15 0053 Plumas Lassen National Forest, adjacent to Pacific Crest Trail in Chips Creek Canyon. On southeast-facing trailcut soth of Chips Creek. 1341 Comment
  CAS-BOT-BC163855  Clarkia purpurea subsp. quadrivulnera L. P. Janeway 1993-6-16 4393 Plumas North side of East Branch North Fork Feather River, across from Paxton; 0.8 mi west of Hwy 89. Cutbank of beginning of dirt road off of Hwy 70 883 Comment
  CAS-BOT-BC164913  Clarkia rhomboidea Clarence R. Quick 1963-7-24 63 -60 Plumas On shoulder of east-west ridge 1.5 miles east of Wheeler Peak Comment
  CDA14723  Clarkia rhomboidea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3249 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC101773  Clarkia stellata Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15865 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  NY342201  Claytonia bulbifera R. M. Austin 1886-1 s.n. Plumas Lassus Peak Comment
  CHSC114318  Claytonia lanceolata G. D. Barbe; T. C. Fuller 1982-6-17 3803 Plumas Lakes Basin Campground, 7.5 mi S of Hwy 89. 1950 Comment
  CHSC43718  Claytonia lanceolata Vernon Oswald 1984-6-25 1322 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. Growing on the wooded edge of a mountain meadow. 1889 Comment
  CHSC97383  Claytonia lanceolata Jenny Marr; Craig Carter 2006-5-29 234 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  CHSC98348  Claytonia lanceolata L. P. Janeway 2007-6-3 9015 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  SEINET10863162  Claytonia lanceolata Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3837 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
  CHSC93076  Claytonia palustris L. P. Janeway 1994-5-24 4647 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1341 Comment
  SEINET10572702  Claytonia parviflora Mary Susan Taylor 1981-5-11 Taylor 3686 a Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  JEPS28401  Claytonia rubra George W. Gillett 1957-7-17 792 Plumas stream from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  CDA18743  Collinsia parviflora G. D. Barbe, T. C Fuller 1982-7-16 3776 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
  RSA79434  Collinsia parviflora F. W. Peirson 1926-6-21 6785 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  CHSC35956  Collinsia rattanii M. S. Taylor 1982-5-25 4523 Plumas Along n road embankment of 23N12 in McDermott Ravine, Sloat fire area, ca. 3 mi ne of Sloat. 1402 Comment
  JEPS115865  Collinsia rattanii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Northwest of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CAS-BOT-BC412800  Collinsia rattanii Walter Knight; Irja Knight 1967-5-22 1901 Plumas Butterfly Botanical Area and Vicinity. Rubble gap 1127 Comment
  CDA15383  Collinsia torreyi var. torreyi G. F. Hrusa 1997-5-3 13838 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC46661  Collinsia torreyi var. wrightii Lowell Ahart 1989-7-7 6368 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC116161  Collomia grandiflora Lowell Ahart 2015-7-4 20284 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1731 Comment
  RSA8081  Collomia grandiflora H. A. Barker 1927-7-16 815 Plumas Mohawk 1372 Comment
  UC1123642  Collomia grandiflora A. Lewis 1934-6-18 484 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 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
  CHSC73967  Collomia linearis B. Castro; L. Gehrung 1998-10-2 856 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge west of Pilot Peak ca 500 ft SW of jcn of the Pacific Crest Trail, Co. Rd 511, and USFS Rd 22N60. Along PCT N of Rd 22N60. 1975 Comment
  CHSC97561  Collomia linearis Lowell Ahart; John Dittes 2007-6-17 14160 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
  JEPS122108  Collomia tinctoria Lowell Ahart 2014-8-24 19753 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
  POM161586  Collomia tinctoria R. C. Bacigalupi 1927-7-11 1702 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  RSA59578  Collomia tinctoria Alva Grant, Verne Grant 1950-7-12 8929 Plumas West facing slope at base of Red Rock nr. Diamond Mt. betw. Susanville and Taylorsville 1890 Comment
  SEINET12326110  Collomia tinctoria W. Knight, Knight, I. 1983-1 4940 Plumas confluence of North Fork of Feather River and Warner Creek on rd between Chester and Drakesbad 1463 Comment
  CAS-BOT-BC286167  Conyza canadensis Lowell Ahart 1981-9-6 3088 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  JEPS64325  Corallorhiza maculata W. I. Follett 1933-7-18 2 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  UC1134734  Corallorhiza maculata Beryl O. Schreiber 1938-7-10 2528 Plumas 1/4 mi s U. C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  SEINET10470001  Corallorhiza maculata Mary Susan Taylor 1982-7-14 Taylor 4828 Plumas T26N R9E se/nw sec 29. Greenville SW quad. N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. Mixed Evergreen Forest; 5000 ft. 1524 Comment
  JEPS107608  Cordylanthus tenuis subsp. tenuis Lowell Ahart, Josephine Guardino 2005-8-10 12300 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
  JEPS7000  Cordylanthus tenuis subsp. tenuis Rimo Bacigalupi and J. R. Sweeney 1953-8-31 4325 Plumas 4 mi n Quincy (near junction of road to Oakland Municipal Camp and Calif. Hwy 24) Comment
  CAS-BOT-BC210316  Cornus sericea John Thomas Howell 1955-7-20 30842 Plumas Mohawk 1371 Comment
  CHSC54524  Cornus sericea subsp. sericea Vernon H. Oswald 1991-8-5 4810 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  UC1122739  Cornus sericea subsp. sericea G. T. Nordstrom 1934-7-9 201 Plumas 3/4 mi. s. Mt. Ararat; Plumas Nat'l Forest, Bidwell Bar Quad. 1645 Comment
  RSA0091883  Cornus sericea subsp. sericea Bonnie C. Templeton 1968-1 11273 Plumas [No location information on label.] Comment
  SEINET5339208  Corydalis aurea M. J. Williams 1966-7-14 s.n. Plumas Spring Creek, Diamond Mt. 1859 Comment
  CHSC46704  Corydalis caseana subsp. caseana V. Oswald; W. Dempsey 1989-8-24 3969 Plumas Big Springs in Humbug Valley, ca. 13 (air) s of Chester. 1316 Comment
  CHSC630  Corydalis caseana subsp. caseana R. Morford 1931-5-16 Plumas Humbug Valley. 1310 Comment
  UCD95117  Corydalis caseana subsp. caseana Dean Wm. Taylor 1974-10-1 5056 Plumas Jamison Creek drainage, above Jamison Lake drainage, ca. 3 miles south of Plumas-Eureka State Park. 2000 Comment
  UCD95116  Corydalis caseana subsp. caseana L. P. Janeway 1990-6-26 3725 Plumas Plumas National Forest, Quincy Ranger District. Headwaters of Greenhorn Creek (between rds 25N42 and 24N19). Comment
  CAS-BOT-BC290442  Crepis acuminata Clare B. Hardham 1978-8-11 21770 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC290448  Crepis acuminata Rimo Bacigalupi 1927-7-11 1700 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  JEPS115230  Crepis acuminata Lowell Ahart, John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  UC567038  Crepis acuminata E. Sawyer 1935-7-1 270 Plumas 0.6 mi ne Chases; Downieville Quadrangle 1706 Comment
  CAS-BOT-BC290450  Crepis acuminata Anna Head 1921-8-14 s.n. Plumas Gray Eagle Trail, Feather River Region Comment
  UC586850  Crepis acuminata Joseph Andorfer Ewan 1934-6-26 8194 Plumas Gold Lake Road 1798 Comment
  SEINET10474583  Crepis bakeri subsp. cusickii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3855 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  RSA739729  Crepis capillaris John Dittes, Josephine Guardino 2005-9-19 1289 Plumas Northern High Sierra Nevada Range, 8.2 air miles N of Genesee, 4.4 air miles SW of Antelope Lake dam, 1.9 air mile E of Taylor Lake, 1.1 air mile N of intersection of FS Routes 27N45 and 27N53. 1707 Comment
  UC346532  Crepis capillaris E. B. Babcock and M. Navashin 1928-6-26 138 b Plumas Meadow Valley 1158 Comment
  UC581220  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2232 Plumas Red Rock; sw slopes and ridge crest, n of Engelmine Comment
  JEPS95354  Crepis occidentalis Lowell Ahart 1994-6-29 7410 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  UC1118014  Crepis occidentalis E. Sawyer 1935-6-1 51 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  CHSC41177  Crepis occidentalis subsp. conjuncta J. D. Jokerst 1984-5-14 2013 Plumas Ridge, SE of Genesee Valley, S of Ward Cr. 1584 Comment
  RSA88087  Crepis occidentalis subsp. conjuncta J. T. Howell 1951-6-27 27633 Plumas Jamison Creek 1829 Comment
  CHSC117006  Crepis occidentalis subsp. occidentalis Lowell Ahart 2016-6-29 21066 Plumas Top and northwest side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  RSA71315  Crepis occidentalis subsp. pumila L. S. Rose 1951-6-27 51047 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  CHSC80803  Crepis pleurocarpa Lowell Ahart 2001-7-19 8937 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
  SEINET10938041  Crepis pleurocarpa Mary Susan Taylor 1981-8-25 Taylor 4242 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  UCD150229  Crepis pleurocarpa G. Ledyard Stebbins 1986-6-29 C 615 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  UC346554  Crepis pleurocarpa E. B. Babcock 1928-6-15 161 Plumas 2 mi e Meadow Valley (along road to Quincy) Comment
  CAS-BOT-BC177811  Cryptantha T. C. Fuller; G. D. Barbe 1981-6-24 54228 Plumas 6 miles southeast of Mt. Hough on road to Quincy 1645 Comment
  CAS-BOT-BC189306  Cryptantha Clare B. Hardham 1975-8-2 20493 Plumas Black Mountain 2133 Comment
  JEPS113542  Cryptantha affinis Lowell Ahart, Josephine Guardino 2007-7-21 14374 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  CDA18476  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3216 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
  JEPS115225  Cryptantha torreyana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  RSA201344  Cryptantha torreyana J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  SD9684  Cryptogramma acrostichoides Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
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Jul 11 2010
  CAS-BOT-BC70453  Cryptogramma acrostichoides Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk., area ca. 1/8 mi S of Onion Valley 1800 Comment
  CAS-BOT-BC80528  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1 1/2 mi. w. of Wheeler Peak 1996 Comment
  UC1229887  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -1 Plumas 1.5 mi w of Wheeler Peak (scatted grove of ca 3 acres on n and e borders on an open lava cap) 1996 Comment
  RSA201317  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  UC1776801  Cuscuta californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13254 Plumas Sierra Nevada - Plumas National Forest; Shaded site on slopes to W of headwaters of Bull Run Creek off USFS 23N12E. 2100 Comment
  JEPS88222  Cuscuta californica Vernon H. Oswald and Lowell Ahart 1996-8-14 8150 Plumas NE of La Porte on the La Porte - Quincy Road 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post); northern High Sierra Nevada 1889 Comment
  CHSC46700  Cuscuta californica var. breviflora V. Oswald; L. Ahart 1989-8-23 3949 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. 1950 Comment
  CHSC65377  Cuscuta subinclusa Lowell Ahart 1995-9-13 7638 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  RSA739641  Cycladenia humilis B. Castro, L. P. Janeway 2005-9-11 1523 Plumas 5 air miles N of Bucks Lake and 3 miles S of Hwy 70 and the Feather River Canyon, 0.4 air miles W of Three Lakes. 1723 Comment
  UC193373  Cycladenia humilis var. humilis J. G. Lemmon Plumas Peaks of Plumas Co. Comment
  CHSC104766  Cymopterus terebinthinus var. californicus L. P. Janeway 2010-8-19 10166 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CDA13932  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1997-5-3 13857 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  UCD144320  Cynoglossum occidentale G. F. Hrusa; T. D. Wilfred 1996-8-1 13412 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  CHSC102131  Cyperus squarrosus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16227 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET3450849  Cyperus squarrosus Unknown 2003-7-18 10428 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  JEPS113934  Cyperus squarrosus W. and N. Harnach 2000-8-2 969 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23, South of Beckwourth, CA (Sierra Valley Farms) Comment
  UCD141153  Cyperus strigosus John Thomas Howell 1959-9-26 35080 Plumas Storrie. 548 Comment
  UCD138929  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas ca. 50 to 100 feet up from Forest, ca. 50 to 100 feet up from Buckhorn Creek, on south side, ca. 200 feet west of 23N18.5, ca. 1 mile southwest of Grizzly Mt, ca. 13 air miles northeast of Pulga. 1584 Comment
  CHSC100346  Cystopteris fragilis Lowell Ahart 2008-7-16 15090 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
  JEPS114953  Cystopteris fragilis Lowell Ahart 2008-7-16 15090 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
  SD9848  Cystopteris fragilis Mrs. R. M. Austin 1876-1 Plumas Comment
  CAS-BOT-BC189664  Danthonia californica David D. Keck 1944-7-8 5440 Plumas Sierra Nevada. East end of Lake Almanor, east side of dam. 1341 Comment
  CAS-BOT-BC189669  Danthonia californica Clarence R. Quick 1966-7-7 66 -40 Plumas Up Cottonwood Creek from crossing, ca. 3 m. south of west end of Humbug Valley. 1402 Comment
  SEINET3926831  Danthonia californica var. americana Fred W. Hoffman 1946-6-9 1812 Plumas Lake Almanor.; 0 Comment
  SEINET10598270  Danthonia californica var. americana Alan A. Beetle 1941-6-28 Beetle 2772 Plumas W side of Lake Almanor, mountain meadow in open Pin Forest. Assoc. Crepis, Sanicula tuberosa, Phacelia. 1829 Comment
  CDA17278  Danthonia unispicata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16305 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
  CHSC30541  Danthonia unispicata J. D. Jokerst 1979-8-29 307 Plumas S of jeep rd, W of Morris Lake. Comment
  CHSC53313  Danthonia unispicata L. P. Janeway 1989-6-16 3332 Plumas Plumas National Forest. NE slopes of Crocker Mtn facing Red Clover Valley. 1828 Comment
  UCD61324  Danthonia unispicata G. L. Stebbins Jr. 1939-7-7 2913 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Comment
  CAS-BOT-BC76204  Darlingtonia californica Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  RSA89065  Darlingtonia californica R. M. Austin s.n. Plumas [No location information provided.] Comment
  CAS-BOT-BC9856  Delphinium nudicaule Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas 6 miles west of Quincy on road to Meadow Valley 1173 Comment
  SEINET5338037  Delphinium nudicaule M. J. Williams 1968-5-28 s.n. Plumas Squirrel Creek. 1219 Comment
  UCSB44166  Delphinium nudicaule Reisentz, Paul 1979-5-12 Plumas Lewisia Rock; 3 miles south of Beldon on Highway 70 Comment
  CDA25036  Delphinium nuttallianum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3361 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, southeast of the road formed by Bucks Creek. 1645 Comment
  CHSC35938  Delphinium nuttallianum M. S. Taylor 1982-5-27 4556 Plumas S side of Bucks Lake--Spanish Creek Rd, 4.5 mi sw of its jct with Hwy 70 in Quincy. 1097 Comment
  SBBG25599  Delphinium nuttallianum C. B. Hardham 1961-6-16 7492 Plumas Engel Mine-Susanville Rd via Gold Run Crk 1828 Comment
  UC570173  Delphinium nuttallianum E. Sawyer 1935-5-23 47 Plumas 3.5 mi e Hawks; Sierraville Quadrangle 1615 Comment
  CAS-BOT-BC116099  Delphinium nuttallianum Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas 8 miles west of Quincy on Meadow Valley road 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
  CAS-BOT-BC116129  Delphinium nuttallianum Arthur L. Menzies 1965-1-1 s.n. Plumas Sierra Valley 1524 Comment
  POM220717  Delphinium nuttallianum M. Canby 1929-5-12 161 Plumas 15 miles W of Portola Comment
  UC725740  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas wayside ditch along State Hwy 89 3 mi s Prattville 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
  SEINET3927158  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor.; 0 Comment
  UC174592  Deschampsia cespitosa A. A. Heller and P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC192446  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1959-9-24 34897 Plumas Greenville 1097 Comment
  CAS-BOT-BC198152  Deschampsia danthonioides John Thomas Howell 1962-6-18 37748 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  POM296404  Deschampsia danthonioides Lyman Benson 1949-6-21 13740 Plumas Meadow 1 mile west of Lake Almanor Inn; Cascade Mt. Range; Feather River drainage area 1341 Comment
  CAS-BOT-BC201888  Deschampsia elongata A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor Comment
  CAS-BOT-BC201894  Deschampsia elongata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1635 Plumas Area north of Pond Reservoir 1097 Comment
  CHSC75949  Deschampsia elongata G. F. Hrusa 1996-8-2 13427 Plumas Sierra Nevada. At base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. On trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1820 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
  RSA715681  Deschampsia elongata L. Ahart 2005-8-9 12275 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 1598 Comment
  SBBG128585  Deschampsia elongata L. Ahart 2008-9-10 15369 Plumas bottom of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Resservoir, ca. 1 mi NE of La Porte 1593 Comment
  CHSC91946  Descurainia incisa subsp. filipes Lowell Ahart; Josephine Guardino 2005-8-9 12280 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SEINET10448461  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-19 Taylor 4480 Plumas T23N R14E se/se sec 29. Portola quad. Ridgetop, sagebrush scrub & sandy soils, Ramelli Ranch, on ridge 1.5 mi e of Portola. 5760 ft. 1756 Comment
  CHSC4201  Dicentra formosa D. B. Joley 1967-4-22 28 Plumas On slope, ca. 50 feet s of rd. and ca. 0.2 mile s of Cresta Powerhouse on highway 70, ca. 30 mi. n of Oroville. 548 Comment
  UC1126522  Dicentra formosa F. W. Embree 1934-6-6 68 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UCR3552  Dicentra formosa Wm. Horn Jr. 1963-7-14 630714- 5 Plumas Northern Sierra Nevada Mtns, 1.75-2.0 mi west of Meadow Valley store on [S side of] Big Creek 1189 Comment
  CAS-BOT-BC402607  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-east of La Porte 1828 Comment
  CHSC41423  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CAS-BOT-BC209232  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1959-9-21 34801 Plumas 4.5 miles from Virgilia on road to Quincy - Sierra Nevada Comment
  JEPS103492  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2002-7-2 9817 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  CAS-BOT-BC483632  Dichelostemma capitatum Ella Dales Cantelow 1940-5-10 3927 Plumas West of Busks Lake Comment
  RSA508625  Dichelostemma capitatum subsp. capitatum Mrs. R. M. Austin s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC299763  Dieteria canescens var. canescens L. P. Janeway; Laurie Lamm 1992-7-28 4280 Plumas 1.25 mi. north-northeast of Dotta Saddle, 2 mi. northwest of Reconnaissance Peak, ca. 9 mi. northeast of Portola, Beckwourth Ranger District, Dotta Compartment, Plumas National Forest 2072 Comment
  JEPS120754  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  JEPS113931  Dieteria canescens var. canescens W. and N. Harnach 2000-9-3 1003 Plumas Sierra Valley, Gold Development, along the river trail. Comment
  CAS-BOT-BC153637  Diplacus jepsonii George W. Gillett 1957-7-23 893 Plumas Mt. Harkness 2346 Comment
  CHSC77063  Diplacus torreyi L. P. Janeway 1996-8-20 5072 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CAS-BOT-BC151255  Diplacus torreyi H. C. Cantelow 1938-7-4 2320 Plumas Flatiron Ridge, Drakesbad Comment
  CAS-BOT-BC151686  Diplacus torreyi Mrs. A. L. Combs 1912-9-1 s.n. Plumas Great Western Power Co. dam Comment
  CAS-BOT-BC136102  Dodecatheon alpinum Anna Head 1920-7-13 s.n. Plumas Gray Eagle Creek, Lake Center Camp - Feather River Region 1920 Comment
  CAS-BOT-BC136150  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas North side of Big Grizzly Creek at northwest end of Lake Davis - Plumas National Forest, Beckwourth Ranger District 1764 Comment
  JEPS97403  Dodecatheon alpinum Vernon H. Oswald and L. Ahart 1994-7-24 7107 Plumas T30N R7E NW1/4 NW1/4 Sec. 27, 6400 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake 1950 Comment
  POM181632  Dodecatheon hendersonii J. G. Lemmon s.n. Plumas Sierra Valley. Comment
  SD120610  Downingia bacigalupii Barbara Ertter, Jeffrey Strachan 1980-7-31 3893 Plumas East side Red Clover Valley on Beckwourth-Milford Road, Plumas National Forest. 1675 Comment
  SEINET10458509  Downingia bacigalupii Mary Susan Taylor 1982-7-8 Taylor 4793 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  UC397356  Draba verna Mrs. Jos. Clemens 1920-2-25 7000 Plumas Crescent Mills Comment
  UC1124239  Draperia systyla D. Axelrod 1934-6-1 1 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  JEPS84398  Drosera anglica V. Oswald and W. Dempsey 1989-8-24 3960 Plumas 11 air mi nw Chester (s edge of park); Lassen Volcanic National Park, Little Willow Lake 1828 Comment
  CAS-BOT-BC401583  Drosera rotundifolia Malcom A. Nobs; S. Galen Smith 1949-8-19 1446 Plumas At Butterfly Valley Comment
  CHSC101785  Drymocallis glandulosa var. reflexa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15864 -B Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CAS-BOT-BC534975  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1959 Plumas Butterfly Botanical Area and Vicinity, Trestle Glen 1112 Comment
  CHSC99806  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
  UCSB63771  Dulichium arundinaceum Janeway, L. 1998-9-10 Plumas Along the northwest shore of Snake Lake; about 5 mi. northwest of Quincy; T24N, R9E, NE1/4 of NE1/4 of sec. 6, Meadow Valley Quad. 1205 Comment
  CHSC94665  Dysphania botrys Lowell Ahart 2006-10-8 13412 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
  CHSC94667  Dysphania pumilio Lowell Ahart 2006-10-8 13413 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
  RSA518793  Elatine triandra Barbara Ertter 1988-10-21 8001 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  SEINET10466799  Eleocharis acicularis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5185 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC113391  Eleocharis engelmannii Walter Knight; Irja Knight 1966-6-18 1335 Plumas In meadow near pond, Butterfly Valley. 1097 Comment
  CAS-BOT-BC113397  Eleocharis engelmannii var. detonsa John Thomas Howell 1951-8-20 28212 Plumas Genessee 1127 Comment
  CHSC97584  Eleocharis macrostachya Lowell Ahart; John Dittes 2007-6-17 14200 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC78742  Eleocharis obtusa Jim Battagin 2000-6-9 Plumas Feather River College. 1045 Comment
  CHSC94979  Eleocharis obtusa Lowell Ahart 2006-10-23 13487 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  RSA726385  Eleocharis palustris L. Ahart, Josephine Guardino 2007-7-21 14385 Plumas South of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1800 Comment
  CAS-BOT-BC113157  Eleocharis palustris Claire Etienne 1969-7-26 292 Plumas In pond off Middle Fork of Feather River; Hwy 89, 1280 Comment
  CAS-BOT-BC112089  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area. 2103 Comment
  CHSC78473  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6902 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  CAS-BOT-BC112041  Eleocharis torticulmis L. P. Janeway; B. Castro 2000-7-3 6876 Plumas Head of small drainage to East Branch North Fork Feather River from the southeast, 1189 Comment
  NY803662  Eleocharis torticulmis L. P. Janeway 2000-7-3 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  CHSC66650  Elodea canadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8047 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance High Cascade Range. Campground at the streams and marshy meadow extending E from road 29N11. In marshy meadow on the E side of the road to the campground. 1371 Comment
  SEINET10564307  Elymus caput-medusae Mary Susan Taylor 1982-6-28 Taylor 4774 Plumas T23N R14E nw 1/4 ne 1/4, sec 27. Portola quad. Ramelli Ranch between Calpine Rd (109) and cow pasture in Sagebrush Scrub drainages, 1 mi w of Beckwourth. With Bromus. 1487 Comment
  CAS-BOT-BC227601  Elymus elymoides Rimo Bacigalupi 1927-7-11 1720 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC227607  Elymus elymoides Clare B. Hardham 1978-8-11 21764 Plumas About 5 mile southeast of Thompson Peak Comment
  UCD61418  Elymus elymoides G. L. Stebbins Jr. 1939-7-9 2934 Plumas Meadow view ranger station. Along rivulet. 1889 Comment
  JEPS106234  Elymus elymoides subsp. californicus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11162 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
  CHSC24280  Elymus elymoides subsp. elymoides K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  CHSC53184  Elymus elymoides subsp. elymoides L. P. Janeway 1989-6-23 3390 Plumas Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east. 1874 Comment
  RSA71075  Elymus glaucus L. S. Rose 1951-6-27 51024 Plumas Johnsville. 1601 Comment
  UC485750  Elymus glaucus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD61817  Elymus glaucus John Thomas Howell; Gordon True, Walter Knight, Irja Knight 1967-7-10 2213 Plumas Mouth of Butterfly Creek. 883 Comment
  SEINET10554337  Elymus glaucus John Thomas Howell 1975-7-22 Howell 51373 Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden. In woods adjacent to but not on serpentine. 1173 Comment
  CAS-BOT-BC206796  Elymus glaucus subsp. glaucus Alice Eastwood 1927-6-18 14700 Plumas Near Greenville. Comment
  CAS-BOT-BC206800  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5427 Plumas 1 mile N of Quincy across Spanish Creek 1066 Comment
  SEINET4674684  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy Meadow.; 0 1036 Comment
  UCD62423  Elymus multisetus G. L. Stebbins Jr. 1939-7-6 2902 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  OBI21785  Elymus trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  CAS-BOT-BC204402  Elymus trachycaulus subsp. trachycaulus W. Harnach; N. Harnach 1991-6-29 594 Plumas Sierra Valley. 4 miles north of Loyalton, CA on Co. rd. A-24 (6 mile rd.) 1490 Comment
  CAS-BOT-BC204408  Elymus trachycaulus subsp. trachycaulus John Thomas Howell; Gordon H. True 1968-6-10 44549 Plumas Quincy 1036 Comment
  CAS-BOT-BC204412  Elymus trachycaulus subsp. trachycaulus David D. Keck 1944-7-8 5419 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather River 1356 Comment
  JEPS113666  Elytrigia elongata Lowell Ahart, Josephine Guardino 2007-7-20 14312 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  CHSC53225  Elytrigia intermedia subsp. intermedia L. P. Janeway 1989-6-29 3415 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  RSA768848  Elytrigia intermedia subsp. intermedia L. Ahart 2008-9-10 15370 Plumas North side of East Branch Creek, south side of Quincy La Porte Road, about 1.75 air miles south of Little Grass Valley Reservoir, about one mine northeast of La Porte. 1594 Comment
  CDA2053  Elytrigia repens J. T. Howell 1961-9-23 36826 Plumas Indian Valley. Comment
  JEPS43853  Epilobium brachycarpum W. L. Jepson 1939-8-16 19428 Plumas Portola 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-BC171713  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-9-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC5259  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Near Willoughby Mine, Gold Lake Region. Comment
  SD7364  Epilobium canum subsp. latifolium Mrs. R. M. Austin 1879-1 Plumas American Valley Comment
  CHSC112597  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-9-11 19031 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  JEPS122092  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  RSA59252  Epilobium ciliatum subsp. ciliatum E. K. Balls 1950-8-31 15541 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC81803  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-16 9371 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  RSA716414  Epilobium ciliatum subsp. glandulosum L. Ahart, John Dittes 2005-9-19 12388 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
  CHSC40860  Epilobium densiflorum K. R. Stern 1985-6-25 8231 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC97069  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2007-7-20 14352 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  SBBG121213  Epilobium densiflorum L. Ahart 2007-7-20 14352 Plumas strand of Lake Davis ca. 100 yards SE of Long Point, NE side of Lake Davis 1763 Comment
  CHSC76058  Epilobium glaberrimum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3343 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  SEINET10453193  Epilobium glandulosum var. tenue Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4659 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  CHSC56860  Epilobium hallianum L. P. Janeway 1991-8-3 4116 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  SEINET12859746  Epilobium pygmaeum W. Harnach, N. Harnach 2000-8-2 962 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth Sierra Valley Farms 1488 Comment
  CHSC54332  Epipactis gigantea Vernon H. Oswald; Lowell Ahart 1991-6-18 4685 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
  CAS-BOT-BC57898  Equisetum X ferrissii David D. Keck 1932-7-3 1675 Plumas At bridge over Spanish Creek, Quincy. 1066 Comment
  CAS-BOT-BC56993  Equisetum arvense Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1875 Plumas in Butterfly Valley proper 1036 Comment
  CHSC6  Equisetum arvense R. Morford 1931-5-16 Plumas Humbug Valley swamp. 1310 Comment
  RSA0091210  Equisetum arvense Bonnie C. Templeton 1968-1 11283 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC57829  Equisetum hyemale subsp. affine F. Cayot; Hatton; Jardine 1914-9-17 108 Plumas Plumas Forest. 1828 Comment
  CHSC108037  Equisetum laevigatum L. P. Janeway; B. Castro 2011-10-2 10760 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. Only seen at one shaded area at the bottom edge of the soggy meadow. 1542 Comment
  RSA59849  Eremocarpus setiger E. K. Balls 1950-9-14 15812 Plumas 6 mi. northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC174150  Eremogone aculeata A. A. Heller; P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC174305  Eremogone congesta var. suffrutescens A. A. Heller; P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee [Genesee] Valley and Vicinity 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
  CAS-BOT-BC286662  Ericameria bloomeri Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC286668  Ericameria bloomeri L. P. Janeway 1992-8-10 4287 Plumas Plumas National Forest, Beckwourth Ranger District. Northeast side of Dotta Canyon ca 1 mi northwest of Dotta Neck 1712 Comment
  CAS-BOT-BC294280  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest, Beckwourth Ranger District. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth 1752 Comment
  CHSC69200  Ericameria nauseosa var. speciosa James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2572 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  JEPS114597  Ericameria nauseosa var. speciosa Lowell Ahart 2008-9-10 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  JEPS29562  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas just s of Lassen Park (Kelly Camp, near Lassen Volcanic National Park); Lassen Volcanic National Park 1615 Comment
  UCD131487  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-24 34962 Plumas Near Blairsden. 1341 Comment
  CAS-BOT-BC294313  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park 1615 Comment
  CAS-BOT-BC293023  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-25 36964 Plumas Portola 1478 Comment
  CHSC59680  Ericameria parryi var. nevadensis L. P. Janeway; Shannon Quinsey 1992-8-11 4289 Plumas Plumas National Forest. Between Dixie Creek and Coyote Hills in the northeast corner of Red Clover Valley: along Road 25N74 0.4 mi southwest of Road 26N70 and Dixie Creek. 1691 Comment
  SEINET8079307 Image available Ericameria parryi var. nevadensis J. T. Howell 1959-9-24 s.n. Plumas Near Blairsden 1341 Comment
  CHSC81096  Erigeron canadensis Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS49078  Erigeron divergens Lewis S. Rose 1966-7-28 66071 Plumas Quincy 1066 Comment
  SEINET3454486  Erigeron divergens G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-24 3177 Plumas Sierra Nevadas, Sierra Nevadas, 2.5 miles northeast of Quincy junction on Mount Hough-Crystal Lake Road at junction of Howell's Road to Tollgate Creek and Keddie 1280 Comment
  UC354485  Erigeron divergens David D. Keck 1928-6-15 442 Plumas 1.5 mi w Blairsden (along Blairsden-Quincy hwy) 1371 Comment
  RSA523305  Erigeron eatonii var. plantagineus J. L. Strother 1987-6-28 1359 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  JEPS108583  Erigeron filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak 1884 Comment
  CHSC97279  Erigeron filifolius var. filifolius Lowell Ahart; John Dittes 2007-8-9 14433 Plumas In the poor road, east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC300845  Erigeron glacialis var. glacialis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC295216  Erigeron inornatus L. P. Janeway 1984-7-22 927 Plumas Along Oroville-Quincy Road at Bucks Summit 1716 Comment
  CAS-BOT-BC295421  Erigeron inornatus var. calidipetris Clare B. Hardham 1978-8-12 21815 Plumas West of Bagby Pass 1981 Comment
  CHSC99796  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-13 15165 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  HSC102795  Erigeron inornatus var. inornatus L. Ahart 2008-8-13 15165 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  UC485807  Erigeron inornatus var. inornatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 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-BC295473  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Meadow Valley Comment
  CAS-BOT-BC295495  Erigeron lassenianus var. lassenianus D. E. Breedlove 1962-6-12 3441 Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC295786  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CHSC82080  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  LA212260  Erigeron philadelphicus Jim R. Shevock; 1972-5-19 1789 Plumas Hwy. 89 near Indian Falls dump area. 609 Comment
  CAS-BOT-BC300108  Erigeron pumilus Clare B. Hardham 1985-7-31 30129 Plumas Doyle's Crossing. Near Antelope Reservoir Comment
  CAS-BOT-BC300125  Erigeron pumilus var. intermedius John Thomas Howell 1955-7-19 30794 Plumas Vinton 1505 Comment
  CDA19276  Erigeron pumilus var. intermedius G. D. Barbe, T. C. Fuller 1982-6-17 3862 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  UCD132019  Erigeron pumilus var. intermedius Lewis S. Rose 1966-7-28 66071 Plumas Quincy. 1066 Comment
  CAS-BOT-BC244040  Eriogonum baileyi var. praebens Lewis S. Rose 1934-7-23 34417 Plumas Chilcoot 1524 Comment
  CHSC95096  Eriogonum douglasii var. meridionale L. P. Janeway; B. Castro 2006-6-3 8659 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow. 1673 Comment
  SEINET4856200  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. 1707 Comment
  UC1980603 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. Comment
  RSA107481  Eriogonum elatum var. elatum L. S. Rose 1955-7-19 55141 Plumas Beckworth 1494 Comment
  RSA252384  Eriogonum elatum var. elatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39251 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC267333  Eriogonum luteolum var. pedunculatum John Thomas Howell 1974-9-20 50897 Plumas About 2 miles from Spring Garden on road to Quincy, Sierra Nevada 1158 Comment
  RSA70711  Eriogonum marifolium L. S. Rose 1951-6-28 51055 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  RSA766341  Eriogonum marifolium Joseph A. Ewan 1934-7-16 8523 Plumas Mt. Elwell trail above Long Lake. Sierra Nevada. 2073 Comment
  UC635078  Eriogonum marifolium Ethel Wickes July 1925 2892 Plumas Mt. Elwell Comment
  SEINET10871611  Eriogonum marifolium Mary Susan Taylor 1981-7-6 Taylor 3975 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
  CHSC52732  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 B Plumas Plumas National Forest Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  UCD100420  Eriogonum microthecum var. laxiflorum John Thomas Howell 1973-7-31 50070 Plumas summit ridge of Thompson Peak; Diamond Range. 2362 Comment
  UCD169256  Eriogonum nudum S. L. Welsh; N. D. Atwood 2001-6-14 28140 Plumas Roadcut, ca. 4 miles north of Beckwourth. 1481 Comment
  SEINET11933013  Eriogonum nudum W. Knight, Knight, I. 1983-1 4910 Plumas 4 mi from Chester on road to Drakesbad Comment
  CAS-BOT-BC264819  Eriogonum nudum var. deductum John Thomas Howell 1959-9-22 34834 Plumas Wolf Creek 1371 Comment
  CHSC40250  Eriogonum nudum var. deductum K. R. Stern 1985-6-25 8257 Plumas Vic. Blairsden. 1371 Comment
  CHSC80858  Eriogonum nudum var. deductum Lowell Ahart; Vernon H. Oswald 2001-7-11 8893 Plumas Along the northeast trail from the dirt road to Homer Lake, about 5 1/2 miles (air) north of Greenville, about 5 1/2 miles (air) east of Lake Almanor. 2042 Comment
  POM180957  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 8834 Plumas between Taylorville and Little Grizzly creek Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  SEINET5330890  Eriogonum nudum var. deductum W. Harnach, N. Harnach 1990-6-19 400 Plumas Sierra Valley; Genesse Rd. N of Beckwourth 1646 Comment
  CHSC24261  Eriogonum nudum var. nudum K. R. Stern 1974-7-24 Plumas S end of Lake Almanor. Comment
  SEINET11262469  Eriogonum nudum var. nudum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28140 Plumas Ca 4 mi n of Beckwourth.; 0 1481 Comment
  CAS-BOT-BC261596  Eriogonum nudum var. nudum W. Harnach; N. Harnach 1990-6-19 400 Plumas Sierra Valley. Genesse [Genesee] Rd. 1645 Comment
  SEINET11262481  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2466 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles south-west of Canyondam.; 0 1219 Comment
  CAS-BOT-BC269723  Eriogonum nudum var. oblongifolium John Thomas Howell 1951-6-26 27542 Plumas Feather River Canyon 853 Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  RSA59908  Eriogonum nudum var. pubiflorum E. K. Balls 1950-9-14 15823 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  RSA325151  Eriogonum ovalifolium var. nevadense M. S. Taylor, M. Foster 1981-6-8 3873 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  CAS-BOT-BC269953  Eriogonum spergulinum var. reddingianum A. A. Heller; P. B. Kennedy 1907-7-11 8801 Plumas Prattville Comment
  CHSC97571  Eriogonum spergulinum var. reddingianum Lowell Ahart; John Dittes 2007-6-17 14175 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS113829  Eriogonum spergulinum var. reddingianum Lowell Ahart, John Dittes 2007-6-17 14175 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  POM98575  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 s.n. Plumas South shore Lake almanor, Comment
  SBBG121530  Eriogonum spergulinum var. reddingianum L. Ahart 2007-6-17 14175 Plumas near wire box, ca. 100 yards SW of County Rd 111 (Beckwourth Gensee Rd), ca. 0.25 mi SE of bridge across Red Clover Crk, Red Clover Valley, ca. 2 mi N of the N end of Lake Davis 1654 Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  CAS-BOT-BC267495  Eriogonum umbellatum L. P. Janeway 1992-7-8 4249 Plumas Plumas National Forest, Beckwourth Ranger District. 0.15 mi south of Beckwourth-Genesee Road, 0.7 mi northwest of Clover Valley Ranch 1676 Comment
  CHSC108054  Eriogonum umbellatum var. furcosum L. P. Janeway 2011-8-23 10672 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 22N27 2.3 road km northeast of Road 22N94; 0.9 air km northwest of the tip of the Black Rock Creek arm of Little Grass Valley Reservoir. 1695 Comment
  JEPS114530  Eriogonum umbellatum var. modocense Lowell Ahart 2008-8-13 15192 Plumas On and around rocks. about 100 yards north of Kenzie Ravine and the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  CAS-BOT-BC262080  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14876 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  CDA14733  Eriogonum umbellatum var. nevadense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3265 Plumas Mount Hough summit. 2194 Comment
  CHSC34728  Eriogonum umbellatum var. nevadense M. S. Taylor 1981-6-16 3910 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak Lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  UC1032279  Eriogonum umbellatum var. nevadense C. G. Albertus 1935-8-13 262 Plumas Mt. Ingalls Plumas National Forest, Downieville Quadrangle, Mt. Ingalls 2553 Comment
  CHSC108118  Eriogonum umbellatum var. polyanthum Lowell Ahart 2011-9-17 17672 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  CHSC63468  Eriogonum umbellatum var. polyanthum Lowell Ahart 1994-7-28 7528 Plumas Northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  CHSC69428  Eriogonum umbellatum var. polyanthum Lowel Ahart 1997-8-19 7871 Plumas On the east side of Lumpkin Ridge Road, about 7 1/2 miles east of Camp 18, about 14 miles (air) northeast of Feather Falls. 1402 Comment
  JEPS56232  Eriogonum umbellatum var. polyanthum Esther C. Fritz 1933-7-18 Plumas Spanish Peak 2145 Comment
  UC1748327  Eriogonum umbellatum var. polyanthum L. P. Janeway 1996-8-9 5063 Plumas E end of Red Mountain (on W side of Road 18 at jct with Road 23N69; about 2 mi S of Haskins Valley) 1792 Comment
  SEINET3836816 Image available Eriogonum umbellatum var. stellatum W. L. Jepson 1939-7-31 19311 Plumas Spanish Peak Summit 2148 Comment
  CDA14677  Eriogonum ursinum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3120 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  SBBG18310  Eriogonum ursinum C. B. Hardham 1961-6-15 7420 Plumas Engel Mine 1828 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
  CAS-BOT-BC262246  Eriogonum ursinum John Thomas Howell 1967-6-23 42725 Plumas 4 miles east of Rich Bar, East Branch Feather River 762 Comment
  RSA238655  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 mi. northwest of Greenville and about 4 mi. southeast of Canyondam. 1220 Comment
  RSA279573  Eriogonum ursinum James L. Reveal 1975-8-24 3974 Plumas Alonh the La Porte-Quincy Rd., 17.5 mi. south of Quincy and 0.3 mi. south of the Chimney Rock Trail turnoff, about 1 airline mile west of Pilot Peak. Comment
  RSA766451  Eriogonum ursinum Joseph A. Ewan 1934-6-26 8287 Plumas Frazier Creek Falls, Gold lake road 1829 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
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake Comment
  JEPS103217  Eriogonum ursinum var. ursinum G. Schoolcraft 1989-7-3 1936 Plumas Diamond Mtns. south of Red Rock Lookout 2225 Comment
  CAS-BOT-BC264136  Eriogonum vimineum John Thomas Howell 1951-8-20 28202 Plumas Indian Valley, Sierra Nevada 1066 Comment
  NY399606  Eriogonum vimineum W. W. Eggleston 1910-8-27 6229 Plumas Clio 1390 Comment
  CAS-BOT-BC264124  Eriogonum vimineum L. P. Janeway 1991-8-4 4132 Plumas Along Beckwourth-to-Laufman Road (near district boundary) on the west side of Dixie Creek, Plumas National Forest, Beckwourth Ranger District 1676 Comment
  CAS-BOT-BC264129  Eriogonum vimineum John Thomas Howell 1977-8-11 52694 Plumas North end of Frenchmans Reservoir, Sierra Nevada 1706 Comment
  RSA59474  Eriogonum vimineum E. K. Balls 1950-9-16 15877 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  SEINET10904448  Eriogonum vimineum Mary Susan Taylor 1981-6-25 Taylor 3953 Plumas T24N R16E nw/ne sec 5. Frenchman Lake quad. On hill at NE jct of 25N11 and spur rd 25N71, near Last Chance Creek, ca. 0.5 mi N of N tip of the lake, ca. 13 mi NW of Chilcoot. Open bare areas on dry sandy soil; 5700 ft elev. 1737 Comment
  UC965635  Eriogonum vimineum Herbert L. Mason 1952-7-17 14379 Plumas 3 mi from Loyalton (on road to Beckwourth); Sierra Nevada, Sierra Valley 1524 Comment
  UC614532  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-9 2310 Plumas 7.3 mi se Quincy; Middle Fork of the Feather River 1219 Comment
  RSA0091950  Eriophyllum lanatum var. grandiflorum Bonnie C. Templeton 1968-1 11272 Plumas [No location information on label.] Comment
  CAS-BOT-BC308261  Eriophyllum lanatum var. integrifolium Lowell Ahart 1983-8-17 s.n. Plumas South of Onion Valley, west of Pilot Pk., near the Quincy La Porte Road, north-east of La Porte 2000 Comment
  CAS-BOT-BC308267  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 114 Plumas Nea rthe Feather River Forestry Exper. Sta., 4 mi. NW of Quincy Comment
  JEPS109949  Eryngium aristulatum D. W. Taylor 1992-8-23 13217 Plumas Lake Almanor region, along Hwy 89, 1.3 mile N of junction with Humbug-Humboldt Road. Comment
  RSA101768  Eryngium yuccifolium Ames 1876-1 s.n. Plumas [Unspecified] Comment
  SEINET11991678  Erysimum asperum Unknown 1984-1 11 Plumas ca 40 mi NE of Oroville & 150 yds W of North Fork Feather River 610 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
  CHSC32829  Erysimum capitatum var. capitatum W. Michael Foster 1981-4-26 15 Plumas Ca. 50 ft se of confluence of the North Fork of the Feather River and Bucks Creek, ca. 24 mi w of Quincy. 579 Comment
  CHSC34276  Erysimum capitatum var. capitatum M. S. Taylor 1981-5-10 3663 A Plumas N side of Genesee Valley Rd, ca. 2 mi e of its jct with Beckwourth Pass turnoff and Flournoy Bridge, ca. 5 air mi e of Genesee. 1280 Comment
  CHSC511  Erysimum capitatum var. capitatum E. Wager 1937-5-15 Plumas Feather river. 365 Comment
  CHSC97470  Erythranthe breweri Lowell Ahart; John Dittes 2007-6-16 14151 Plumas On the sides of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC36342  Erythranthe lewisii M. S. Taylor; H. Swanson 1982-8-11 4961 Plumas Along 23N08, n side of the A-Tree, saddle at head of Florentine Canyon, ca. 5 air mi sw of Johnsville. 2042 Comment
  CHSC20740  Erythranthe pulsiferae K. R. Stern 1975-7-25 5878 Plumas N shore of Lake Almanor. 1371 Comment
  SEINET10469553  Erythronium purpurascens Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4469 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  SEINET10528917  Erythronium purpurascens John G. Lemmon Lemmon 12159 Plumas High valleys, Sierra to Plumas County. Well worthy cultivation. Comment
  CAS-BOT-BC403357  Eschscholzia californica A. A. Heller; P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  SEINET3160626  Eschscholzia californica E. K. Balls 1950-9-6 15692 Plumas 3.1 mi. e. of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  CAS-BOT-BC403351  Eschscholzia californica John Thomas Howell 1961-9-23 36881 Plumas Cooks Creek Road near Engelmine 1082 Comment
  SBBG126092  Eucephalus breweri L. Ahart 2011-9-20 17678 Plumas dirt rd on N side of Pilot Peak, ca. 9 mi (air) NE of La Porte 2072 Comment
  CAS-BOT-BC310531  Eurybia integrifolia Anna Head 1921-8-3 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC52723  Eurybia integrifolia L. P. Janeway 1990-8-3 3823 Plumas Plumas National Forest. Meadow at head of small drainage (into Little Grizzly Cr) ca 1 mi SW of Little Grizzly Cr and between Joseph Cr and Oliver Cr. 1981 Comment
  JEPS117159  Eurybia integrifolia Lowell Ahart 2010-10-21 17305 Plumas About 100 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  CAS-BOT-BC310537  Eurybia integrifolia L. P. Janeway 1989-7-20 3509 Plumas Plumas National Forest, Beckwourth Ranger District. North end of Crocker Meadow; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth 1737 Comment
  RSA739741  Eurybia radulina L. P. Janeway 2007-8-13 9191 Plumas Northern High Sierra Nevada, along road 24N31 low in a small drainage betw Schneider Creek and Little Schneider Creek about 0.6km SE of UC Forestry Camp 1222 Comment
  CAS-BOT-BC312257  Euthamia occidentalis John Thomas Howell 1959-9-21 34750 Plumas N. Fk. Feather River near Belden, Sierra Nevada 701 Comment
  RSA59313  Euthamia occidentalis E. K. Balls 1950-9-14 15797 Plumas Hwy 89, along Indian Creek, 1.5 mi from jct with Hwy 24. 915 Comment
  CAS-BOT-BC413895  Fallopia convolvulus David D. Keck 1932-7-3 1669 Plumas Quincy, in the Northern Sierra Nevada. 1065 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-BC278467  Festuca idahoensis John Thomas Howell; Gordon H. True 1973-7-31 50101 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  JEPS115944  Festuca idahoensis Lowell Ahart, John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  SEINET10507960  Festuca idahoensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4663 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  OBI21884  Festuca microstachys Lewis S. Rose 1963-6-3 63083 Plumas Butterfly Valey, 2 mi SW of Keddie 1189 Comment
  CDA34165  Festuca occidentalis L. Ahart, J. Dittes 2009-7-14 16063 Plumas On the east side Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. Comment
  UC1146574  Festuca pratensis Freed W. Hoffman 1946-6-11 1835 Plumas near Mohawk Comment
  CAS-BOT-BC279018  Festuca rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54121 Plumas Quincy 1036 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
  CDA14002  Festuca viridula G. F. Hrusa, T. D. Wilfred 1997-6-26 13919 Plumas Sierra Nevada; Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Common throughout, one of the dominants. Perennial, bunching. Comment
  CHSC112503  Fragaria virginiana L. P. Janeway 2014-7-15 11537 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC55670  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC55671  Frangula purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC55674  Frangula purshiana David D. Keck 1932-7-3 1647 Plumas Quincy, in the Northern Sierra Nevada 1188 Comment
  CAS-BOT-BC55687  Frangula purshiana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2185 Plumas Mouth of Butterfly Creek 883 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
  JEPS114186  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-13 9190 Plumas Northern High Sierra Nevada. At Road 23N20 crossing of Little Schneider Creek. Comment
  HSC99904  Frangula rubra subsp. obtusissima J. P. Smith, & J. O. Sawyer 2004-9-13 12058 Plumas Red Mountain area S of Buck Lake on 23N69 at junction with 23N18. 1799 Comment
  CAS-BOT-BC53796  Frangula rubra subsp. rubra Lewis S. Rose 1969-6-23 69044 Plumas La Porte Road - 10 mi. sw of Quincy 1249 Comment
  CHSC57324  Fritillaria atropurpurea L. P. Janeway 1991-5-28 3967 Plumas South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). Plumas National Forest Beckwourth Ranger District Red Clover Compartment. 1719 Comment
  HSC15549  Fritillaria atropurpurea Jim Vaughn 1956-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen area, Mt. Lassen National Park 1829 Comment
  UC144675  Fritillaria pudica Mrs. R. M. Austin 1878-1 304 Plumas Indian Valley Comment
  CAS-BOT-BC506184  Fritillaria pudica Anna Head 1922-5-1 s.n. Plumas Blairsden Comment
  CAS-BOT-BC504448  Fritillaria recurva Ella Dales Cantelow 1939-5-20 2555 Plumas 1.6 mile off main highway near Rock Creek, 5 1/2 miles west of Quincy Comment
  RSA59100  Fritillaria recurva E. K. Balls 1950-8-30 15504 Plumas Trail to Bucks Creek from Tobins Resort, North Fork Feather River. 610 Comment
  CAS-BOT-BC293718  Galium Mona Bourell; Bob Patterson 1982-5-15 1732 Plumas Beckworth [Beckwourth] Pass Comment
  UC1075693  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake Lakes Basin Area (on volcanic cliff) 2194 Comment
  CDA14666  Galium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3106 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC43371  Galium bolanderi Lowell Ahart 1976-7-16 1178 Plumas About 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  POM147081  Galium bolanderi Alice Eastwood 1927-06 14571 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CHSC48882  Galium grayanum var. grayanum Vernon Oswald 1983-8-4 963 Plumas Humboldt Summit, 4.5 mi N-E of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  SEINET10500743  Galium sparsiflorum subsp. glabrius Mary Susan Taylor 1981-9-10 Taylor 4272 Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  JEPS29556  Galium trifidum var. pusillum John Thomas Howell 1960-6-23 35960 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  SEINET10500648  Galium triflorum Mary Susan Taylor 1981-8-5 Taylor 4163 Plumas 5600 ft. T28N R12E nw 1/4 nw 1/4 sec 32. Kettle Rock quad. At end of rd 28N05 where it's washed out by Pierce Creek, 2.1 mi N of 28N03, ca. 3 air mi W of Antelope Lake ca. 13 air mi NE of Taylorsville. Gra- nitic soils in Mixed Conferous Forest. 1707 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  CAS-BOT-BC169859  Garrya fremontii John Thomas Howell 1959-9-26 35043 Plumas Near Kiddie 1005 Comment
  CAS-BOT-BC169866  Garrya fremontii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC67438  Garrya fremontii James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2557 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy 70. 1584 Comment
  UC1122698  Garrya fremontii G. T. Nordstrom 1934-7-9 200 Plumas 0.75 mi sw Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  SD7786  Gayophytum diffusum subsp. diffusum Daniel Cleveland 1882-7-20 Plumas Prattville. Comment
  CHSC103131  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16114 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
  UC1122564  Gayophytum heterozygum G. T. Nordstrom 1934-7-10 214 Plumas 2 mi sw Gravel Range; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC97474  Gayophytum racemosum Lowell Ahart; John Dittes 2007-6-16 14088 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET7717332  Gentiana affinis Unknown Plumas Goose Lake Valley Comment
  UC405457  Gentiana newberryi R. M. Austin Aug 1896 896 Plumas Big Meadows Comment
  UC405456  Gentianopsis holopetala Mrs. R. M. Austin 1895-1 Plumas Ferndale Comment
  CHSC100322  Gentianopsis simplex Lowell Ahart 2008-8-13 15178 Plumas North side of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC70262  Gentianopsis simplex B. Castro; R. Zebell 1989-7-7 362 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi WSW jcn Rds 23N18, 23N15 and 23N19, on the S flank of Red Mtn. 1828 Comment
  CDA14676  Geum macrophyllum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3119 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. Sheet 1 of 2 1371 Comment
  RSA8005  Geum macrophyllum H. A. Barker 1927-7-3 767 Plumas Feather River near Blairsden. 1372 Comment
  UC170957  Geum macrophyllum H. M. Hall 1912-8-3 9392 Plumas Quincy, Sierra Nevada Mountains Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  SEINET6702722  Geum macrophyllum var. perincisum A. A. Heller, P. B. Kennedy 1907-7-9 8787 Plumas Prattville Comment
  SEINET10496739  Gilia capitata Mary Susan Taylor 1982-5-13 Taylor 4437 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  UC1123742  Gilia capitata subsp. capitata A. Lewis 1934-6-12 475 Plumas Mooreville Ridge 4 1/2 mi sw Lexington Hill; Bidwell Bar Quad., sw of Lexington Hill Comment
  CHSC94200  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  CAS-BOT-BC283875  Glyceria borealis John Thomas Howell; Gordon H. True 1967-7-9 43263 Plumas Meadow at Quincy 1036 Comment
  CAS-BOT-BC282705  Glyceria elata John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1470 Plumas Butterfly Canyon, Butterfly Botanical Area and Vicinity 990 Comment
  CDA19266  Gnaphalium palustre G. D. Barbe, T. C. Fuller 1982-6-17 3844 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CHSC55665  Gnaphalium palustre K. R. Stern 1985-6-25 8315 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS34042  Gnaphalium palustre W. L. Jepson 1939-8-4 19340 a Plumas Rock Creek Meadow Valley, Rock Creek 1219 Comment
  UCD132414  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC307383  Gnaphalium palustre John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54208 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  JEPS29572  Gnaphalium palustre John Thomas Howell 1960-7-21 35836 Plumas open places among willows nw of Willow Lake 1676 Comment
  SD7821  Goodyera oblongifolia Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC94634  Gratiola neglecta Lowell Ahart 2006-10-8 13422 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
  CDA6088  Grindelia camporum T. C. Fuller 1957-9-16 333 -57 Plumas Virgilia. 0 Comment
  CAS-BOT-BC304683  Grindelia squarrosa John Thomas Howell 1974-9-20 50907 Plumas Chilcoot 1554 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  CHSC97786  Grindelia squarrosa var. serrulata L. P. Janeway; B. Castro 2007-8-18 9205 Plumas Northern High Sierra Nevada. Along Hwy 70 0.4 km east of La Porte Road, along the north edge of Thompson Valley about 1.6 km east of East Quincy. 1059 Comment
  HSC22976  Hackelia californica John Pratt 1970-6-30 57 Plumas Humboldt Summit Comment
  HSC22977  Hackelia micrantha John Pratt 1970-6-30 58 Plumas Humboldt Summit Comment
  JEPS67927  Hackelia micrantha R. H. Platt 1891-1 Plumas Big Meadows Prattville; The Sierras Comment
  CHSC72305  Hackelia nervosa L. P. Janeway; Glenn Clifton 1998-7-8 5719 Plumas About 1.5 mi south-southwest of Indicator Peak; along Road 28N08 3.7 mi southwest of Road 29N03. 1981 Comment
  CHSC88007  Hackelia nervosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11158 Plumas Small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  POM255851  Hackelia nervosa Marion Ownbey, Ruth Ownbey 1938-7-14 1735 Plumas Summit from Jonesville, Sierra Nevada Comment
  RSA644032  Hackelia nervosa Elaine Joyal, D. Mehlman 1988-7-3 1306 Plumas Plumas National Forest, Mt. Hough, 11 mi. n of Quincy. 2000 Comment
  UC573075  Hackelia nervosa H. L. Mason 1924-6-19 1067 Plumas hill w of Gold Lake Comment
  SBBG21835  Hastingsia alba D. Myrick 1964-7-20 886 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  SD6432  Hastingsia alba Mrs. R. M. Austin, Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  CAS-BOT-BC508334  Hastingsia alba John Thomas Howell 1976-7-15 51873 Plumas Snake Lake, about 4 miles northwest of Quincy, Sierra Nevada 1219 Comment
  CAS-BOT-BC508339  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville Comment
  RSA609432  Hastingsia alba Louis C. Wheeler 1958-7-28 7338 Plumas Sierra Nevada: South Fork Rock Creek, ca. 1/2 mile E of Bottle Springs, near Quincy 1584 Comment
  RSA718796  Hazardia whitneyi L. P. Janeway 2006-9-20 8885 Plumas Northern High Sierra Nevada. Along dirt road 0.3 km SE of American House and Challenge-La Porte Road. 1420 Comment
  CHSC62340  Hazardia whitneyi var. whitneyi B. Castro 1989-8-21 408 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine, along edges of USFS Rd 23N70. 1554 Comment
  RSA59675  Helenium bigelovii E. K. Balls 1950-9-9 15745 Plumas West of Lakes Center Public Campground at south end of small lake. 2043 Comment
  SEINET10475228  Helenium bigelovii Mary Susan Taylor 1981-7-21 Taylor 4087 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  UC586918  Helenium bigelovii Joseph Andorfer Ewan 1934-6-25 8212 Plumas above Deuteus (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  CAS-BOT-BC305311  Helianthella Clare B. Hardham 1978-8-12 21816 Plumas West of Bagley Pass 2072 Comment
  RSA0009330  Helianthella californica var. nevadensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SD6703  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin Aug 1894 Plumas Banks of Pitt River above Alturas Comment
Read comments
May 14 2014
  CAS-BOT-BC315020  Hemizonella minima A. A. Heller 1913-6-13 10843 Plumas Near Marston Station 1066 Comment
  CHSC107267  Hemizonella minima L. P. Janeway 2011-7-6 10499 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. 1721 Comment
  CAS-BOT-BC315017  Hemizonella minima L. P. Janeway; Garrett Gibson 1991-6-13 4004 Plumas Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek, Bechwourth Ranger District, Clio Compartment, Plumas National Forest 1484 Comment
  UC1191097  Hemizonella minima Francia Chisaki 1956-5-31 896 a Plumas on road to Calpine about 3 mi s junction with Highway #40; Sierra Valley Comment
  SBBG47336  Hesperis matronalis J. T. Howell 1963-6-3 Plumas Quincy 1036 Comment
  UCD114967  Hesperis matronalis John Thomas Howell; Gordon H. True 1967-6-11 42568 A Plumas Meadow at Quincy. 1036 Comment
  SEINET10869748  Hesperochiron pumilus Mary Susan Taylor 1981-5-8 Taylor 3653 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  UC1563669  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  JEPS114525  Heterocodon rariflorum Lowell Ahart 2008-8-14 15209 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoi 1600 Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 Comment
  JEPS101248  Heterotheca villosa var. minor Dean W. Taylor 2000-8-8 17550 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS102821  Heterotheca villosa var. minor Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 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
  UC137006  Heuchera micrantha var. erubescens Mrs. R. M. Austin 1882-8-20 Plumas North Fork Feather River (below meadows) Comment
  CAS-BOT-BC319606  Hieracium albiflorum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC319616  Hieracium albiflorum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1590 Plumas Fern Glen, Butterfly Botanical Area and vicinity 1097 Comment
  CHSC20759  Hippuris vulgaris K. R. Stern 1975-7-24 5884 Plumas N shore of Lake Almanor. 1371 Comment
  CDA20394  Hirschfeldia incana J. Naughton 2002-7-7 102 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CHSC67620  Holcus lanatus James D. Jokerst 1985-6-10 2396 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  CHSC75954  Holcus lanatus G. F. Hrusa 1996-8-2 13433 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Trib. of Squirrel Creek. In area adjacent to old logging road. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  RSA59459  Holcus lanatus E. K. Balls 1950-9-16 15875 Plumas 5 miles southeast of Graeagle, Sulphur Creek, highway 89. 1372 Comment
  SEINET3156770  Holodiscus boursieri E. K. Balls 1950-9-1 15583 Plumas Long Lake, above E shore toward Mt. Elwell 2103 Comment
  CHSC80869  Holodiscus microphyllus var. glabrescens Lowell Ahart 2001-7-17 8919 Plumas Meadows, on the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC152724  Holodiscus microphyllus var. microphyllus Alice Eastwood 1927-6-17 14681 Plumas Road to Greenville from Bug Valley - United States Forest Reserve Comment
  CAS-BOT-BC280836  Hordeum W. Harnach; N. Harnach 1989-5-27 120 Plumas Sierra Valley. Hot wells on north side of Marble Lane 1489 Comment
  CAS-BOT-BC284646  Hordeum brachyantherum subsp. brachyantherum W. Harnach; N. Harnach 1991-6-21 559 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  CHSC55642  Hordeum brachyantherum subsp. brachyantherum K. R. Stern 1985-6-25 8303 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC289439  Hordeum murinum subsp. leporinum John Thomas Howell 1975-7-22 51342 Plumas Quincy, Sierra Nevada 1036 Comment
  RSA0091207  Horkelia fusca subsp. tenella Bonnie C. Templeton 1968-1 11279 Plumas [No location data on label. Possibly Trinity County.] Comment
  POM34915  Horkelia tridentata subsp. flavescens Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC94191  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the southwest edge of a dry open basalt flat. 1527 Comment
  CAS-BOT-BC201087  Hosackia crassifolia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC62551  Hosackia oblongifolia B. Castro; L. P. Janeway 1987-7-17 139 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. Uphill from road in meadow. 1584 Comment
  HSC98314  Hosackia oblongifolia H. E. Parks, S. T. Parks Jun 1928 239 Plumas Lassen National Park, Drakesbad 1738 Comment
  CHSC34872  Hosackia oblongifolia var. oblongifolia M. S. Taylor 1981-7-29 4148 Plumas Along creek crossing 25N42-Flournoy Grade, 0.2 mi n of North brnach of Ward Creek, ca. 5 air mi se of Genesee. 1828 Comment
  CHSC45910  Hosackia stipularis var. ottleyi Lowell Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near the headwaters of Ohio Ravine, about 1 mile north-east of the Hardquartz Mine, about 6 miles south of Bucks Lake. 1584 Comment
  JEPS3241  Hydrophyllum capitatum var. alpinum John Warren Duffield 1937-5-29 Plumas below U.C. Summer Forestry School (Schneider Creek); Schneider Creek Comment
  UC335436  Hydrophyllum occidentale unknown 1889-1 Plumas Mohawk Valley Comment
  JEPS3229  Hydrophyllum occidentale John Warren Duffield 1937-5-24 Plumas near Quincy Q Comment
  RSA74345  Hydrophyllum occidentale Milo S. Baker 1952-5-24 12442 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  CHSC65498  Hypericum formosum var. scouleri L. P. Janeway 1995-9-18 4929 Plumas 0.8 mi southeast of the southern tip of Crocker Mountain; at spring along Road 24N06 about halfway between Crocker Meadow and Big Grizzly Creek. 1865 Comment
  CHSC75921  Hypericum formosum var. scouleri G. F. Hrusa 1996-8-2 13429 Plumas Steep rocky slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Partially shaded area on wet springline trib. of Squirrel Creek. 1820 Comment
  JEPS115203  Hypericum formosum var. scouleri Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16137 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
  RSA795724  Hypericum perforatum L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16241 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  SD230244  Hypericum perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy Comment
  CHSC118703  Hypochaeris glabra Wendy L. Boes; Jim Battagin 2015-5-12 2015007 A 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
  SEINET11256996  Idahoa scapigera W. Harnach, N. Harnach 1989-3-29 005 Plumas Sierra Valley, Approx 1.25 miles N of the Sierra/Plumas Co. line on Co. Rd. A-23, hillside N of the Barry corrals. 1524 Comment
  JEPS812  Ipomopsis aggregata Herbert L. Mason 1924-6-15 1035 Plumas Blairsden Feather River (near the junction of Graeagle creek and the Feather River) Comment
  JEPS800  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1939-7-31 19320 Plumas Spanish Peak 2042 Comment
  CHSC97878  Iris G. Douglas Barbe; T. C. Fuller 1982-6-15 3690 Plumas 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
  CAS-BOT-BC135741  Iris hartwegii Elmer I. Applegate 1934-5-3 8904 Plumas Near and north of Quincy Comment
  SEINET8752736  Iris hartwegii J. Robertson 1983-6-10 s.n. Plumas Plumas N.F. 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
  JEPS127220  Isoetes howellii Lowell Ahart 2016-8-30 21320 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
  CHSC84522  Iva axillaris subsp. robustior John Dittes; Lowell Ahart 2003-8-8 2003 -86 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 5.7 air-miles southeast of Portola, ca. 3.4 air-miles south of Beckwourth, ca. 0.9 air-mile north of Dyson Lane. At east edge of Beckwourth-Calpine Road (A23). 1488 Comment
  CAS-BOT-BC137405  Ivesia aperta David D. Keck; Gustafsson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 m. E. of town 1500 Comment
  RSA790596  Ivesia sericoleuca James R. Shevock, Barbara Ertter 1986-7-20 11737 Plumas 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
  SEINET7356267  Ivesia sericoleuca S. L. Welsh, N. D. Atwood 2001-6-13 28133 a Plumas Red Clover Valley, ca 12 mi n of Beckwourth.; 0 1679 Comment
  SEINET10970309  Ivesia sericoleuca Mary Susan Taylor 1981-7-13 Taylor 4006 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
  CAS-BOT-BC101873  Juglans John Thomas Howell; H. Keith Wagnon 1980-5-26 53588 Plumas Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden 609 Comment
  CHSC102973  Juncus articulatus Lowell Ahart; John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  UC1100935  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  POM111228  Juncus bufonius Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SD46469  Juncus bufonius Robert J. Weatherby 1950-7-28 1489 Plumas Growing in sun in water by marshy roadside, north edge of Taylorsville. 1096 Comment
  CHSC97058  Juncus bufonius var. bufonius Lowell Ahart; Josephine Guardino 2007-7-20 14338 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC97622  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2007-6-16 14104 Plumas Gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  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
  CHSC40349  Juncus covillei Lowell Ahart 1985-7-11 5123 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  SEINET10472436  Juncus covillei Lowell Ahart 1985-7-11 Ahart 5123 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
  HSC104016  Juncus dubius L. Ahart 2008-8-13 15158 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 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
  SEINET10472443  Juncus hemiendytus Lowell Ahart 1985-7-11 Ahart 5135 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC23376  Juncus hemiendytus var. hemiendytus Lowell Ahart 1975-7-16 891 Plumas Section 13, eight miles north of La Porte. Found in a meadow, two miles north-east of Little Grass Valley Res. 1828 Comment
  CHSC82503  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes 2002-6-17 9722 Plumas In a meadow, on the north side of the road, about 1/8 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1651 Comment
  JEPS107933  Juncus howellii Lowell Ahart, John Dittes 2005-9-19 12418 Plumas Along the west side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  CHSC101956  Juncus laccatus Lowell Ahart; John Dittes 2009-7-28 16201 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  CHSC65857  Juncus nevadensis L. P. Janeway 1995-10-25 4943 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  RSA95510  Juncus nevadensis J. T. Howell 1951-6-27 27596 Plumas McRae Meadow. 1982 Comment
  CHSC108028  Juncus orthophyllus L. P. Janeway; B. Castro 2011-10-2 10752 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  CHSC92197  Juncus orthophyllus Lowell Ahart; John Dittes 2005-9-19 12418 Plumas Along the west side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  JEPS102502  Juncus orthophyllus Lowell Ahart 2001-7-17 8899 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
  CHSC108105  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC21723  Juncus parryi F. T. Griggs; A. Pass 1975-7-23 251 Plumas Cape Lake. Comment
  CHSC41444  Juncus parryi Lowell Ahart 1986-7-8 5358 Plumas Around a small seep, near an open bare serpentine area, about 1 mile northwest of Pilot Peak, about 14 miles northeast of La Porte. 1950 Comment
  JEPS110547  Juncus tenuis Lowell Ahart 2006-10-23 13491 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 1281 Comment
  RSA754875  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 D Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CAS-BOT-BC85337  Juniperus occidentalis Pierson Durbrow 1918-7-1 s.n. Plumas Gray Eagle Canyon [Canon] Comment
  CHSC53025  Juniperus occidentalis subsp. australis L. P. Janeway 1989-6-23 3389 Plumas Upper slope overlooking Crocker Mdw from the east. Beckwourth Ranger District. 1874 Comment
  SEINET10925483  Juniperus occidentalis subsp. australis Mary Susan Taylor 1981-8-18 Taylor 4213 Plumas T23N R15E se1/4 sec 10. Reconnaissance Peak quad. Bald Rock Improvement Project, ca 1 mile sw of Bald Rock, ca 5 miles ne of Beckwourth. Associates: Wyethia mollis, Purshia tridentata, Pinus jeffreyi, Stipa speciosa. Herbarium of California State University, Chico. Comment
  CHSC45599  Kalmia polifolia Lynn J. Gillespie 1982-5-23 Plumas Ca. 3.5 miles northeast of Spanish Ranch, ca. 100 miles north of Snake Lake. 1219 Comment
  CHSC44144  Kalmia polifolia subsp. microphylla Vernon H. Oswald; Lowell Ahart 1988-8-4 3671 Plumas On the s side of Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC246159  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CAS-BOT-BC246166  Keckiella lemmonii John Thomas Howell 1976-7-16 51915 Plumas Just east of Bucks Summit on road to Meadow Valley, Sierra Nevada 1645 Comment
  CHSC10689  Kelloggia galioides Lowell Ahart 1968-6-10 Plumas Near La Porte. 914 Comment
  JEPS29545  Kelloggia galioides John Thomas Howell 1960-7-17 35489 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  SBBG119898  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas ca. 50 yards SE of the Pacific Crest Trail on Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Peak, ca. 9 mi (air) NE of La Porte Comment
  CHSC107913  Kyhosia bolanderi L. P. Janeway; B. Castro 2011-9-11 10719 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. 1570 Comment
  JEPS115876  Kyhosia bolanderi Lowell Ahart, John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  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
  UC1128975  Lathyrus brownii E. Sawyer 1935-6-1 56 Plumas 1 mi nw Kerby; Sierraville Quad. 1524 Comment
  CHSC58029  Lathyrus nevadensis var. nevadensis Vernon H. Oswald 1992-5-21 4946 Plumas Warner Valley on the N side of Hot Springs Creek just within the park boundary. 1606 Comment
  SEINET5327322  Lathyrus pauciflorus subsp. brownii P. A. Lehenbauer 1786 Plumas Clover Creek, Plumas Nat. For. Comment
  CAS-BOT-BC205069  Lathyrus sulphureus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2423 Plumas Butterfly Botanical Area and Vicinity. Between mouth of Butterfly Creek and Valley proper 914 Comment
  CAS-BOT-BC205071  Lathyrus sulphureus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1572 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  CHSC36218  Lathyrus sulphureus M. S. Taylor 1982-6-2 4599 Plumas Along 23N11, on loop through Cogswell Ravine, 3.2 mi ne of Jackson Creek Campground, ca. 5 air mi n of Mohawk. 1737 Comment
  CHSC52519  Lathyrus sulphureus L. P. Janeway 1990-6-6 3702 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1356 Comment
  SEINET11062172 Image available Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  CAS-BOT-BC321053  Layia glandulosa Alice Eastwood 1918-5-25 6991 Plumas Portola Comment
  JEPS103323  Ledum glandulosum Lowell Ahart 2002-7-6 9841 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  CHSC36933  Lemna minor M. S. Taylor 1982-9-7 5106 Plumas Ramelli Ranch, on s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  JEPS115904  Lemna minuta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16118 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
  UC1586441  Lemna trisulca Vernon H. Oswald and Lowell Ahart 1991-7-30 4796 Plumas 6 air mi ene of Humbug Summit (12 air mi s of Chester, Big Springs on w side of Humbug Valley); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC88849  Lepidium campestre Greg Sommers 1976-6-9 111 Plumas Sierra Nevada. Sierra Valley Marsh. 1 km. south of the metal bridge on Dyson Lane. 1524 Comment
  CAS-BOT-BC88838  Lepidium campestre John Thomas Howell 1973-7-9 49702 Plumas Sierra Nevada. Near Indian Falls, Indian Creek. 914 Comment
  CHSC41417  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a little east of Sawpit Flat, about 1 1/4 miles south-west of Finger Board, about 2 miles north-west of Pilot Peak. 1828 Comment
  CAS-BOT-BC12822  Lepidium perfoliatum W. Harnach; N. Harnach 1989-6-17 148 Plumas SIerra Valley. Approximately 200 feet west of the steel bridge on Marble lane. 1487 Comment
  JEPS107781  Lepidium virginicum var. pubescens Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11752 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area 484 Comment
  RSA122128  Leptosiphon ciliatus E. Sawyer 1935-6-27 162 Plumas Sierraville 1524 Comment
  SEINET14161666  Leptosiphon ciliatus A. A. Heller, P. B. Kennedy 1907-7-3 8709 Plumas [Sierra Nevada] Hills above Red Clover Valley Comment
  UCSB19858  Leptosiphon ciliatus Hardham, Clare 1961-6-17 Plumas South of Susanville 1676 Comment
  SEINET10907266  Lesquerella occidentalis Mary Susan Taylor 1981-6-17 Taylor 3916 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  CAS-BOT-BC508372  Leucocrinum montanum Alice Eastwood 1918-5-25 6982 Plumas Portola Comment
  SJSU6904  Leucocrinum montanum N. A. Hopkins 1975-5-10 652 Plumas N side of road between Beckwourth & Vinton, 5.3 mi E of Beckwourth, by sagebrush plain Comment
  SEINET6170677  Leucophysalis nana A. A. Heller, P. B. Kennedy 1907-7-16 8875 Plumas Red Clover valley near Red Clover House. Comment
  SEINET3164391  Leucothoe davisiae E. K. Balls 1950-9-5 15681 Plumas Thompson Creek, along trail to 'Little Volcano 1402 Comment
  SEINET10449276  Leucothoe davisiae Mary Susan Taylor 1981-7-17 Taylor 4041 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC233778  Lewisia cantelovii George B. Youngs 1943-6-3 s.n. Plumas North Fork of the Feather River about 2 1/2 miles up the river from highway to Belden 914 Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  SEINET5336460  Lewisia cantelovii M. J. Williams 1968-5-28 1156 Plumas Rock Creek Dam, Feather R. 352 Comment
  CHSC101860  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
  JEPS127330  Lewisia nevadensis Lowell Ahart 2016-6-29 21055 Plumas About 1/2 mile southeast o Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC444182  Lewisia nevadensis Arthur Menzies 1965-1-1 s.n. Plumas Sierra Valley 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-BC444564  Lewisia triphylla Lowell Ahart 1983-7-20 4198 Plumas About 1/4 mile east of the Feather Fork Mine, about 5 1/2 miles north of La Porte 180 Comment
  CAS-BOT-BC444571  Lewisia triphylla Catherine Best 1984-6-19 1013 Plumas Lakes Basin Camp Ground Comment
  CAS-BOT-BC444569  Lewisia triphylla Lloyd W. Swift 1932-7-11 66 Plumas Plumas National Forest. Tamarack R. S. 1706 Comment
  UC28402  Lewisia triphylla George W. Gillett 1957-7-18 811 Plumas near trail, ne side of Boiling Springs Lake Lassen National Volcanic Park, Boiling Springs Lake 1813 Comment
  CAS-BOT-BC283806  Leymus cinereus John Thomas Howell 1955-7-19 30795 Plumas Vinton 1505 Comment
  UCD87575  Leymus triticoides John Thomas Howell 1955-7-19 30802 Plumas Vinton. 1505 Comment
  CAS-BOT-BC436050  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas Lassen Volcanic National Park, gully running into the stream running from Little Willow Lake to Willow Lake 1767 Comment
  CAS-BOT-BC451589  Lilaea scilloides John Thomas Howell 1963-6-4 39406 Plumas Marble Hot Springs, Sierra Valley Comment
  CAS-BOT-BC509317  Lilium kelleyanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1577 Plumas Fern Glen 1112 Comment
  CAS-BOT-BC509320  Lilium kelleyanum John Thomas Howell 1960-7-21 35862 Plumas On trail to Little Willow Lake 1767 Comment
  CAS-BOT-BC509341  Lilium kelleyanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC509347  Lilium kelleyanum Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek Ranger Station Comment
  RSA14555  Lilium pardalinum Mrs. R. M. Austin 1880-1 s.n. Plumas Big Meadows. Comment
  CHSC33936  Lilium pardalinum subsp. shastense M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi s of Mohawk. 1920 Comment
  CAS-BOT-BC133085  Lilium washingtonianum subsp. washingtonianum David D. Keck 1932-7-3 1644 Plumas Hillside south of town, Quincy, in the Northern Sierra Nevada 1220 Comment
  CHSC59819  Limosella aquatica L. P. Janeway 1992-9-16 4312 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  JEPS102829  Limosella aquatica Lowell Ahart 2001-8-29 9228 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS113425  Limosella aquatica Lowell Ahart, John Dittes 2007-6-17 14177 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  SEINET13710320  Limosella aquatica Lowell William Ahart, Lowell William Ahart 2001-1 9228 Plumas Little Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  UC1130226  Linum lewisii E. Sawyer 1935-6-3 58 Plumas 2 1/2 mi e of Beckwith Butte 1524 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
  SEINET10483001  Lithophragma Mary Susan Taylor 1982-7-12 Taylor 4816 Plumas T22N R11E sw/ne sec 5. Blue Nose Mt quad. Open flats of Eureka Ridge Rd (23N09), 1.2 mi n of its jct with McRae Mdws turnoff, ca. 6 air mi w of Mohawk. Mixed Coniferous Forest; 6800 ft. 2072 Comment
  CAS-BOT-BC293725  Lithophragma parviflorum Mona Bourell; Bob Patterson 1982-5-15 1738 Plumas Beckworth, Sierra Valley Marsh Comment
  CAS-BOT-BC443344  Lithophragma parviflorum Elmer I. Applegate 1934-5-6 8903 Plumas Near and south of Mohawk Comment
  CHSC97145  Lithophragma parviflorum var. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14059 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC428432  Lithophragma tenellum Alice Eastwood 1927-6-1 s.n. Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  UC175287  Lithophragma tenellum H. M. Hall 1912-7-12 9346 Plumas Long Lake; Sierra Nevada Mountains, Long Lake 2072 Comment
  UCD127599  Lomatium canbyi G. L. Stebbins 1982-6-14 C- 202 Plumas Diamond Mountain Ridge, south of Susanville. 2225 Comment
  CHSC71136  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas West edge of Dixie Valley; north side of Dixie Creek; along the road connection Road 26N70 to Road 28N01. 1691 Comment
  UC1730236  Lomatium plummerae L. P. Janeway 1998-6-2 5623 Plumas Squaw Valley; northeast side of Road 28N01 0.6 mi northwest of Road 26N70(''Four Corners''). 1705 Comment
  CHSC108466  Lonicera conjugialis Lowell Ahart 2011-9-17 17625 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS95397  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  CHSC21282  Lonicera involucrata var. involucrata F. T. Griggs; A. Pass 1975-8-2 292 Plumas Buck's Lake. Comment
  CAS-BOT-BC200951  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54359 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC200957  Lotus A. A. Heller 1938-7-2 15231 Plumas Just outside of Quincy 1097 Comment
  UC1042412  Lotus argophyllus var. fremontii John Thomas Howell 1951-6-29 27767 Plumas Feather River Canyon 548 Comment
  UCD169925  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas On the eastside of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of lake Almanor Reservoir Dam. In the seed trade, known as Upright Bird's-foot Trefoil. 1607 Comment
  JEPS48701  Lotus incanus Leland S. Smith 1925-4-20 1554 Plumas Grizzley Ridge Tahoe National Forest 975 Comment
  CDA14760  Lotus nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3331 Plumas Indian Creek Bridge 0.1 mile northwest of junction with road to Antelope Lake dam. 1584 Comment
  UC80950  Lotus nevadensis var. nevadensis R. M. Austin Jul 1896 460 Plumas Lassens Peak Comment
  JEPS88487  Lotus purshianus var. purshianus Vernon H. Oswald and Lowell Ahart 1996-7-15 8030 Plumas E side of arm of lake extending N from Hwy 36 causeway, S of point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range 1371 Comment
  RSA201340  Lotus unifoliolatus J. T. Howell 1960-7-18 35568 Plumas Drakesbad 1677 Comment
  RSA31788  Lotus unifoliolatus A. A. Heller 1938-7-2 15243 Plumas Feather River Highway near Grays Flat. 869 Comment
  CDA14583  Lotus wrangelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3066 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CAS-BOT-BC60251  Lunaria annua Louella Bass 1981-4-4 s.n. Plumas Sierra Nevada. Belden Powerhouse. Comment
  SBBG68996  Lupinus R. M. Austin -Apr-1877 Plumas American Valley Comment
  SBBG21929  Lupinus andersonii D. Myrick 1964-7-22 904 Plumas Drakesbad-Mineral Rd 1524 Comment
  JEPS106190  Lupinus apertus Lowell Ahart, Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  CHSC52425  Lupinus arbustus L. P. Janeway 1990-7-12 3794 B Plumas Plumas National Forest. Top of small peak along Eureka Ridge ca 0.8 mi south of the head of Bear Creek. 2148 Comment
  UC1481927  Lupinus arbustus 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. Comment
  UC972201  Lupinus arbustus Milo S. Baker 1952-5-24 12440 Plumas Hwy 89 in canyon above Pine Valley; in canyon above Pine Valley 944 Comment
  CAS-BOT-BC196346  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-6-13 4008 Plumas Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat 1484 Comment
  CAS-BOT-BC208791  Lupinus argenteus var. heteranthus John Thomas Howell 1962-6-17 37712 Plumas Portola - Sierra Nevada 1463 Comment
  SEINET5327835  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-6-16 380 Plumas Sierra Valley; Frank Dotta Ranch NW of Vinton 1524 Comment
  CHSC92277  Lupinus argenteus var. meionanthus John Dittes 2005-7-11 1211 Plumas Northern High Sierra Nevada Range; Drainage of Smith Creek; ca. 12.7 air-miles north x northeast of Taylorsville, ca. 5.3 air-miles southwest of Diamond Mountain, ca. 4.6 air-miles southeast of Indicator Peak; southwest-facing slope on north side of Smith Creek, ca. 0.5 mile northeast of confluence of Smith Creek and East Branch Lights Creek, upslope (north) of FS Road 28N03. 1498 Comment
  JEPS48891  Lupinus argenteus var. meionanthus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CHSC52427  Lupinus argenteus var. palmeri L. P. Janeway 1990-7-4 3764 Plumas Plumas National Forest. Along road to Lunker Point; west side Frenchman Lake. 1722 Comment
  CAS-BOT-BC196669  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  CAS-BOT-BC196671  Lupinus breweri var. breweri Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CAS-BOT-BC196677  Lupinus breweri var. breweri M. S. Taylor 1982-6-1 4578 Plumas Openings on n side of spur rd (27N39), off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville 1524 Comment
  CHSC97083  Lupinus breweri var. breweri Lowell Ahart; Josephine Guardino 2007-7-21 14378 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
  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
  SEINET10452035  Lupinus confertus Mary Susan Taylor 1982-7-8 Taylor 4792 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  SEINET10485159  Lupinus confertus William E. Harmon 1969-8-18 Harmon 1566 Plumas Beckworth pass, 1/2 mi. W in dry sagebrush desert. Comment
  SEINET10485161  Lupinus confertus Mary Susan Taylor 1982-6-13 Taylor 4825 Plumas T26n, r9e, se1/4nw1/4 sec 22. Almanor se quad. Corolla pale blue. Bellas Flat on s side of round valley reservoir, ca 3 air mi. S of greenville. Dry Flat cobbly drainage in montane coniferous forest. With monardella Odoratissima glauca. 1372 Comment
  CAS-BOT-BC215364  Lupinus dalesiae M. S. Taylor 1982-6-1 4573 Plumas 0.1 mile E of Spring Garden city limit sign, just E of Greenhorn Ranch Road, N side of Highway 70 1280 Comment
  CAS-BOT-BC215369  Lupinus dalesiae M. S. Taylor 1982-6-3 4600 Plumas Road cut on N side of White Cap Road 1.1 and 1.2 miles S of its junction with Peoria Creek Road, ca. 4 miles SW of Sloat 1524 Comment
  CAS-BOT-BC215371  Lupinus dalesiae M. S. Taylor 1982-5-25 4530 Plumas W side of Peoria Creek Road (23N10), 13.5 miles SW of it junction with Poplar Creek just S of Sloat 1463 Comment
  CAS-BOT-BC215377  Lupinus dalesiae M. S. Taylor 1982-6-17 4691 Plumas Both sides of 23N44Y, 1.3 miles W of its junction with 23N50Y, ca. 2 air miles SW of SLoat 1493 Comment
  CHSC35910  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas N side of 24N13, ca. 0.1 mi e of its jct with Willow Creek Rd (23N13), ca. 4 air mi se of Quincy. 1584 Comment
  CHSC35914  Lupinus dalesiae M. S. Taylor 1982-6-17 4694 Plumas S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. 1706 Comment
  CHSC36197  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas S side of Poplar Creek Rd (23N08), 0.1 mi E of bridge, ca. 1 mi S of Sloat. 1280 Comment
  CHSC88827  Lupinus dalesiae L. Hanson 1982-7-6 176 Plumas Plumas National Forest. Elizabethtown. 1097 Comment
  UC665283  Lupinus dalesiae Elmer I. Applegate 1934-5-3 8907 Plumas 6 mi nw Quincy; nw of Quincy Comment
  SEINET10452042  Lupinus dalesiae Mary Susan Taylor 1982-7-21 Taylor 4887 Plumas T24N R10E e/se sec 7. Quincy quad. American Valley, on ne side of hills s of Greenhorn Creek, ca. 1.5 mi ne of Quincy. 3500 ft. 1069 Comment
  SEINET10452050  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4546 Plumas T24N R8E ne/sw sec 14. Bucks Lake NE quad. W side of Bucks Lake-Spanish Creek Rd across from 1084 residence, in Meadow Valley. 3800 ft. 1158 Comment
  SEINET10485189  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4809 Plumas T22n r11e nw1/4se1/4 sec 10. Johnsville quad. Cobbly slope on s side of 23N09, near headwaters of bear creek, ca 5 air mi. W of mohawk. Mixed Evergreen forest. With pedicularis semibarbata, pteridium aquilinum. 1890 Comment
  SEINET10485193  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4540 Plumas T24n r10e nw1/4nw1/4 sec 34. Spring garden quad. Open cobbly phyllite rd Embankment, w side of quincy-laport rd, 4.1 mi n of nelson creek bridge, ca 3.5 Mi. W of spring garden. Assoc: sedum spathulifolium purdyi, rumex acetosella, Chaenactis douglasii. 1341 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
  SEINET10485205  Lupinus dalesiae Taylor 1982-6-3 Taylor 4600 Plumas Blue nose mt. Quad. Corolla yellow. Roadcut on north side of white cap rd. 1.1 And 1.2 mi south of its jct. With peoria creek rd., Ca. 4 Mi southwest of Sloat. Mixed evergreen forest. With ceanothus cordulatus, collinisia Rattanii. 1524 Comment
  SEINET10940043  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4616 Plumas T24N R8E nw/nw sec 10. Bucks Lake NE quad. Along spur rd off Burton Gulch Rd along Spanish Creek, ca. 2 air mi n of Meadow Valley. 4000 ft. 1219 Comment
  SEINET10490337  Lupinus grayi Mary Susan Taylor 1982-6-17 Taylor 4693 Plumas T23n r11e ne1/4se1/4 sec 18. Blue nose mt quad. Open bare foadbank, s side of T23n44y, 1.8 mi w of its jct with bell bar creek rd (23n50y), ca 2 air mi. Sw Of sloat. 1524 Comment
  SBBG13881  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3816 Plumas Graeagle Comment
  JEPS2641 Image available Lupinus lepidus var. artulus W. L. Jepson 1910-6-5 4069 Plumas Warner Valley; ; Warner Valley, Plumas Co. 1524 Comment
  UC725748  Lupinus lepidus var. confertus A. A. Heller 1907-7-15 8844 Plumas near mouth of Little Grizzley Creek; near mouth of Little Grizzley Creek 1264 Comment
  CHSC43667  Lupinus lepidus var. lobbii Vernon Oswald 1984-6-19 1292 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 8.8 mi n-e of Hwy 36. 1584 Comment
  UC566149  Lupinus lepidus var. sellulus E. Sawyer 1935-6-27 205 Plumas 1.4 mi se Crow; Sierraville Quadrangle 1706 Comment
  HSC97071  Lupinus meionanthus John Dittes 2005-7-11 1211 Plumas 12.7 mi. NNE of Taylorsville, 5.3 mi. SW of Diamond Mtn., 4.6 mi. SE of Indicator Peak, N side of Smith Creek Comment
  SEINET10940182  Lupinus obtusilobus Taylor 1982-8-11 Taylor 4966 Plumas T.21n, r.11e, sec.3, se 1/4. Sierra city nw quad. Corolla blue. On edge Between florentine canyon and spencer lakes, ca 5 mi sw of johnsonville. With Castilleja applegatei fragilis, wyethia mollis. 2134 Comment
  JEPS106018  Lupinus onustus Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10952 Plumas On the east side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1230 Comment
  NY15965  Lupinus onustus R. M. Austin 1876-1 s.n. Plumas Comment
  POM147064  Lupinus onustus Alice Eastwood 1927-06 14461 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CHSC97437  Lupinus polyphyllus var. burkei Robert Fischer 2006-7-2 1038 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  SEINET8059930  Lupinus polyphyllus var. burkei A. A. Heller, P. B. Kennedy 1907-7-4 8715 Plumas Red Clover Valley 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
  SEINET10490882  Lupinus sellulus var. sellulus Taylor 1981-8-31 Taylor 4249 Plumas Sierra city ne quad. E side of rd 114, ca .5 mi n of its jct with hwy. 89, Ca 1.5 Mi e of clio. Associates: purshia tridentata, pinus ponderosa. 1433 Comment
  CHSC102080  Luzula cascadensis Lowell Ahart; John Dittes 2009-7-13 16043 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
  RSA75657  Luzula comosa L. S. Rose 1951-6-28 51031 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CHSC53721  Luzula comosa var. laxa L. P. Janeway 1989-7-11 3476 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. Along border of creek. 1691 Comment
  CAS-BOT-BC436676  Luzula comosa var. laxa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54173 Plumas Sierra Nevada: Long Valley at road to Maxwell Mine 1633 Comment
  RSA726331  Luzula divaricata L. Ahart 2007-8-9 14441 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2552 Comment
  CHSC63297  Luzula parviflora Lowell Ahart 1994-6-17 7346 Plumas On the edge of a small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC40354  Lythrum portula Lowell Ahart 1985-7-11 5122 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles northeast of La Porte. 1584 Comment
  SEINET10474800  Madia citrigracilis Mary Susan Taylor 1981-7-11 Taylor 4067 Plumas T27N R7E ne/ne sec 10, Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89; 4500 ft elev. 1372 Comment
  CHSC102134  Madia elegans 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
  CAS-BOT-BC343791  Madia elegans M. S. Taylor 1982-6-28 4767 Plumas Ramelli Ranch, near jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth 1487 Comment
  UC1561925  Madia elegans Barbara Ertter 1987-7-24 7309 Plumas on Rt 284 ca 3 mi n Chilcoot (<on road> to Frenchman Lake) 1524 Comment
  RSA584783  Madia elegans subsp. elegans J. T. Howell 1961-9-25 36966 Plumas Sierra Nevada: Vinton 1507 Comment
  CHSC65375  Madia glomerata Lowell Ahart 1995-9-13 7623 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  RSA0118928  Madia glomerata Lowell Ahart 2014-8-26 19774 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  RSA201259  Madia glomerata J. T. Howell 1960-7-18 35601 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CAS-BOT-BC342853  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CDA8269  Madia glomerata T. C. Fuller 1959-10-2 3264 Plumas Vinton. 0 Comment
  OBI49202  Madia glomerata Joseph Andorfer Ewan 1934-7-18 8574 Plumas Sierra Nevada, along Middle fork Feather R at Portola Comment
  SBBG27939  Madia glomerata D. D. Keck 1932-7-6 1715 Plumas halfway between Prattville and Chester 1340 Comment
  CHSC88005  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 Plumas On the north side of a forest road, small meadow, 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
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May 24 2013
  JEPS106231  Madia gracilis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 Plumas On the north side of a forest road, small meadow, 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
  RSA716593  Madia gracilis L. 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 1987 Comment
  CAS-BOT-BC343282  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43246 Plumas North Fork of Feather River at Caribou 914 Comment
  CAS-BOT-BC343288  Madia gracilis C. R. Quick 1957-6-15 57 -02 Plumas About 1/2 mile s. of Lake Almanor Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  UCD134320  Madia gracilis Lewis S. Rose 1967-7-12 67170 Plumas Quincy. 1036 Comment
  SEINET10474822  Madia minima Mary Susan Taylor 1974-5-18 Taylor 248 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  SD7175  Maianthemum stellatum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CDA13562  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-7-22 13390 Plumas Sierra Nevada; PLUMAS NATIONAL FOREST: Dry understory of mixed coniferous forest along Little Long Valley Cr. approx. 1/2 m. N. of Hwy 70 and about 15 m. E of Quincy. 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
  CAS-BOT-BC282096  Melica fugax Alice Eastwood 1918-5-25 6987 Plumas Portola Comment
  CHSC65149  Melica fugax Vernon H. Oswald; Lowell Ahart 1995-7-24 7125 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  JEPS87748  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  RSA201315  Melica fugax J. T. Howell 1960-7-18 35603 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CHSC41165  Melica harfordii L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-24 Plumas Plumas N.F. ECOS plot 11-142. Slope above Mosquito Cr near Soda Spr. 1264 Comment
  CHSC53180  Melica stricta L. P. Janeway 1989-6-22 3377 Plumas Plumas National Forest. Easterly flank of Crocker Mtn above Crocker Mdw. 1889 Comment
  SEINET10599618  Melica stricta Lawrence P. Janeway 1989-6-22 Janeway 3377 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of sec. 32, Easterly flank of Crocker Mtn above Crocker Mdw. 1890 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
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  JEPS106321  Melica subulata Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  CHSC113880  Melilotus albus Lowell Ahart 2014-8-26 19792 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SEINET3152165  Mentha arvensis E. K. Balls 1950-9-15 15839 Plumas N Fork Feather River, 6 mi. NW of Chester 1402 Comment
  JEPS88530  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8035 Plumas e. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range 1371 Comment
  CAS-BOT-BC223706  Mentzelia Clare B. Hardham 1975-8-2 20478 Plumas Black Mt. 2133 Comment
  CHSC74074  Mertensia ciliata var. stomatechoides B. Castro; L. Gehrung 1996-8-8 713 Plumas Ca 5 air mi S of Bucks Lake and 0.6 mi N of the Hartman Bar Trailhead, along sides of USFS Rd 23N58, ca 0.5 mi S of its jcn with Rd 23N15. On E-facing upper ridge slopes near headwaters of E-trending drainages. 1737 Comment
  CHSC98563  Micranthes aprica L. P. Janeway 2007-6-3 9016 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC428536  Micranthes aprica Anna Head 1921-6-17 s.n. Plumas Lake Independence, Feather River Region. Comment
  CAS-BOT-BC428603  Micranthes bryophora Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC91740  Micranthes nidifica G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3359 Plumas Sierra Nevada. 0.25 mile northeast of Bucks Summit on Bucks Lake Road; hillside meadow at the head of Eagle Gulch. 1670 Comment
  CAS-BOT-BC429238  Micranthes oregana E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CHSC20990  Micranthes oregana F. T. Griggs; A. Pass 1975-7-11 158 Plumas Buck's Lake. Comment
  CAS-BOT-BC349335  Microseris nutans John Thomas Howell; Gordon H. True 1967-7-11 43314 Plumas About 3 miles southeast of Mt. Hough 1706 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
  RSA14277  Microseris nutans Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  CHSC118813  Microseris nutans Wendy L. Boes; Jim Battagin 2015-5-12 2015 007 B Plumas Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328 N, NAD83 Zone 19N; Elevation 792 m.) 792 Comment
  UCD134544  Microseris nutans Alan a. Beetle 1941-6-28 2790 Plumas west side of Lake Amanor. Comment
  JEPS87287  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1120 Plumas 2.0 mi ne Elephant Butte Tunnel (along Hwy 70, just ne of bridge over river); North Fork of Feather River 520 Comment
  UC1552707  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-6-7 583 Plumas 2 mi w Sierra City (along Hwy 49); Tahoe National Forest 1158 Comment
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May 18 2014
  RSA0014053  Mimulus floribundus Joan Stewart 2000-06 1036 Plumas Plumas National Forest Comment
  JEPS120751  Mimulus guttatus Lowell Ahart 2013-9-11 19027 Plumas West side of Chips Creek, about 20 yards S of Hwy 70, about 1 mile SW of Belden. Comment
  RSA59739  Mimulus guttatus E. K. Balls 1950-9-14 15802 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  UCD122710  Mimulus guttatus J. M. Tucker 1948-7-25 1738 Plumas at mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. 1524 Comment
  JEPS10452  Mimulus guttatus Helen-Mar Wheeler 1944-8-23 Plumas near Cascade settlement; Cascade Creek 1249 Comment
  JEPS12519  Mimulus guttatus George W. Gillett 1955-8-2 459 Plumas at creek crossing 1/4 mi belwo Devils Kitchen (Devils Kitchen trail) 1844 Comment
  POM147037  Mimulus guttatus Alice Eastwood 1927-06 14559 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  SEINET6225043  Mimulus guttatus L. S. Rose 1967-1 67069 Plumas N Fork, Feather River 2 mi E of Belden Comment
  CHSC94777  Mimulus moschatus Lowell Ahart 2006-10-8 13399 Plumas On the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  RSA59245  Mimulus moschatus E. K. Balls 1950-8-31 15534 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  JEPS28622  Mimulus nanus var. jepsonii George W. Gillett 1957-7-18 808 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  JEPS17619  Mimulus nanus var. mephiticus Rimo Bacigalupi 1955-7-22 5438 Plumas just off Feather River Highway (Alt. U. S. No. 40) (Rock Creek road (of PG&E)); Rock Creek 472 Comment
  UC1562681  Mimulus nanus var. mephiticus Barbara Ertter 1988-7-25 7851 Plumas ca. 15 air mi due s Susanville (sheep camp on creek); Diamond Mts., Pierce Creek 1981 Comment
  UC335555  Mimulus primuloides J. G. Lemmon Plumas Sierra Valley Comment
  JEPS113824  Mimulus primuloides subsp. 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
  JEPS80625  Mimulus pulsiferae M. S. Taylor 1981-6-19 3932 Plumas ca. 1 mi nw Prattville (sw side of lake, between campground and road to Almanor, ca. 3/4 mi e of Hwy 89); Almanor SW quad., Lake Almanor 1371 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
  CDA12149  Mimulus torreyi G. F. Hrusa, J. Dinsdale 1989-6-25 7199 Plumas Sierra Nevada; Bucks lake north shore. Comment
  JEPS122309  Mimulus torreyi Lowell Ahart 2014-8-31 19815 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC481919  Minuartia nuttallii Alice Eastwood 1927-6-17 s.n. Plumas US Forest Reserve, on road from Long Valley Comment
  UC1075711  Mitella breweri Robert J. Weatherby 1955-6-26 1562 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  CAS-BOT-BC432979  Mitella breweri Clarence R. Quick 1953-8-8 53 -113 Plumas South of Meadow Valley Comment
  SEINET10483080  Mitella breweri Mary Susan Taylor 1982-6-17 Taylor 4698 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  POM84702  Modiola caroliniana Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  CDA17268  Moehringia macrophylla G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16295 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  CHSC91806  Moehringia macrophylla G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16295 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: ridge of berm at low end of bog. 1158 Comment
  CHSC61742  Monardella follettii L. P. Janeway 1993-7-15 4454 Plumas Plumas National Forest. Ridge between Rattlesnake Gulch and Twelvemile Ravine; along Rd 25N17 2.4 mi northwest of the saddle on the divide between upper Spanish Creek and East Branch North Fork Feather River; at a switchback. 1447 Comment
  JEPS63416  Monardella follettii W. I. Follett 1937-8-2 108 Plumas ne slope Red Hill (Rich Gulch); East Branch of North Fork Feather River 1280 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
  UCSC008313  Monardella follettii Brett Smith 2011-7-25 BAS 008 Plumas 650 m along FS road 25N17 E of Bean Creek, 70m W of sharp bend in road where an unnamed creek passes under the road. Genetic Population 3001E2 1401 Comment
  SEINET10582324  Monardella follettii A. Graff 1993-7-22 Graff 307 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
  SEINET10582334  Monardella follettii A. Graff 1993-7-23 Graff 332 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  SEINET10862291  Monardella follettii A. Graff 1993-7-23 Graff 338 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  SEINET10961425  Monardella follettii A. Graff 1993-7-23 Graff 339 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  CHSC21202  Monardella odoratissima F. T. Griggs; A. Pass 1975-7-17 207 Plumas Buck's Lake Forest Service Survey. 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
  CAS-BOT-BC222112  Monardella odoratissima subsp. pallida L. P. Janeway 1990-8-29 3837 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC222118  Monardella odoratissima subsp. pallida John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54378 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CDA18466  Monardella odoratissima subsp. pallida G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3200 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC43979  Monardella odoratissima subsp. pallida L. P. Janeway 1987-5-28 2104 Plumas Along county rd A-14 just se of turn to Almanor Peninsula. 1402 Comment
  CHSC67834  Monardella odoratissima subsp. pallida James D. Jokerst 1987-5-28 2884 Plumas Ward Creek Canyon on steep, rocky edge SW of creek. 1463 Comment
  CAS-BOT-BC222150  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1938-7-3 s.n. Plumas 4.3 miles north of Almanor Inn Comment
  SEINET10902646  Monardella odoratissima subsp. pallida Mary Susan Taylor 1981-8-4 Taylor 4157 Plumas T28N R11E se 1/4 sw 1/4 sec 11. Diamond Mt. quad. On top of Red Rock Lookout, ca. 8 air mi NW of Antelope Lake, ca. 15 air mi ne of Taylorsville. Meta- volcanic andesite. 7596 m 2316 Comment
  CAS-BOT-BC220493  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy 1768 Comment
  CHSC111719  Monardella sheltonii Lowell Ahart 2012-7-1 18261 Plumas On the east side of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  SD149141  Monardella sheltonii John Thomas Howell 1975-7-22 51350 Plumas 2 miles northwest of Spring Garden Comment
  SEINET10829413  Monardella sheltonii A. Graff 1993-7-22 Graff 301 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. Comment
  SJSU14192  Monardella sheltonii N. A. Hopkins 1989-8-7 1575 Plumas by road between Beckwourth & Genesee Valley 1676 Comment
  CHSC53213  Montia chamissoi L. P. Janeway 1989-6-15 3321 Plumas Forest along SW side of Red Clover Valley. Moist creekbed. 1676 Comment
  SEINET10572655  Montia chamissoi Mary Susan Taylor 1982-6-10 Taylor 4629 Plumas T23N R15E sw sec 6. Reconnaissance Peak quad. In wet Montane Meadow, se corner of jct of 24N32 & 24N02 at Dotta Saddle, ca. 3.5 mi nne of Beckwourth. 6000 ft. 1829 Comment
  CAS-BOT-BC444859  Montia fontana John Thomas Howell 1960-7-21 35864 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake 1767 Comment
  CHSC97580  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
  CHSC10814  Montia linearis Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  CAS-BOT-BC445093  Montia linearis John Thomas Howell; Gordon H. True 1967-6-11 42576 Plumas Meadow at Quincy 1036 Comment
  SD8153  Montia verna Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CHSC40254  Muhlenbergia filiformis Lowell Ahart 1985-7-11 5138 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
  UCD86661  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA59900  Muhlenbergia minutissima E. K. Balls 1950-9-14 15815 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CHSC67414  Muhlenbergia richardsonis James D. Jokerst 1985-6-10 2400 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC55675  Myosotis discolor K. R. Stern 1985-6-25 8278 Plumas Vicinity of Blairsden. 1402 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
  RSA496341  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-30 1300 Plumas Mill Creek and its tributaries, 2-2.5 mi S of Graeagle along hwy #89. 1200 Comment
  CAS-BOT-BC392267  Myosurus apetalus Herbert L. Mason 1952-7-17 14382 Plumas Sierra Nevada. Along Western Pacific tracks just south of Beckwourth. Sierra Valley 1524 Comment
  UCD96284  Myosurus apetalus Herbert L. Mason 1953-6-16 14554 Plumas Two miles east of Beckwourth. Comment
  CDA19267  Myosurus minimus G. D. Barbe, T. C. Fuller 1982-6-17 3843 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  UCR248226  Myriophyllum hippuroides B. Villegas 2008-7-24 s.n. Plumas Northern Sierra Nevada Mtns., Indian Creek, south of Crescent Mills, near County road A22 1064 Comment
  CDA37311  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Lake Davis, Eagle Point. 0 Comment
  CHSC102967  Myriophyllum sibiricum Lowell Ahart 2009-9-7 16393 Plumas In 3-4 feet of water, Lake Almanor, about 1000 feet northwest of Lake Almanor Dam. 1591 Comment
  UC1069119  Nama lobbii F. W. Embree 1934-6-6 66 Plumas 1 1/2 mi nw Bucks Mountain; Bidwell Bar Quad., Plumas National Forest, nw Bucks Mt. Comment
  SEINET12054992  Narthecium californicum J. G. Lemmon 7 s.n. Plumas Butterfly Valley and Castle Lake Valley, near Shasta Comment
  UC1075682  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley near Quincy; Butterfly Valley 1219 Comment
  UC306154  Narthecium californicum Mrs. R. M. Austin Oct. 1881 Plumas Mt. Dyer, Big Meadows Comment
  JEPS28633  Navarretia divaricata George W. Gillett 1957-7-18 824 Plumas n end Willow Lake Meadow (near the main inlet); Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  CHSC53161  Navarretia divaricata subsp. divaricata L. P. Janeway 1989-6-9 3278 Plumas Plumas National Forest. Forest along southwest side of Red Clover Valley. 1691 Comment
  CHSC60127  Navarretia divaricata subsp. divaricata L. P. Janeway 1992-7-10 4255 Plumas Plumas National Forest. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. Along temporary logging spur road. 2072 Comment
  UCD48476  Navarretia intertexta John Thomas Howell 1955-7-20 30872 Plumas Mohawk, Plumas Co. 1371 Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 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
  UCR123516  Navarretia intertexta subsp. intertexta George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6863 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CHSC44339  Navarretia intertexta subsp. propinqua Lowell Ahart 1979-7-18 1987 Plumas In a meadow, along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 15 miles north of La Porte. 1676 Comment
  RSA8015  Navarretia intertexta subsp. propinqua H. A. Barker 1927-7-16 820 Plumas Blairsden 1372 Comment
  CHSC40929  Navarretia leptalea K. R. Stern 1985-6-25 8261 Plumas Vicinity of Blairsden. 1371 Comment
  CHSC56864  Navarretia leptalea subsp. leptalea L. P. Janeway; Garrett Gibson 1991-7-18 4079 Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. On north side of County Road. 1777 Comment
  UC711954  Navarretia leptalea subsp. leptalea Roxana S. Ferris and Laura Lorraine 1941-8-9 10421 Plumas near village (Lake Almanor Public Camp); Lake Almanor Public Camp Comment
  CHSC81139  Navarretia leucocephala subsp. leucocephala Lowell Ahart 2001-8-29 9256 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC75516  Navarretia leucocephala subsp. minima G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3154 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  SEINET14152722  Navarretia linearifolia subsp. linearifolia A. A. Heller, P. B. Kennedy 1907-7-5 8743 Plumas Hills above Red Clover Valley. 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
  SD6549  Nemacladus rubescens R. M. Austin 1879-1 Plumas American Valley Comment
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Jul 4 2010
  CHSC60284  Nemophila heterophylla John McKeon 1980-4-19 2 Plumas Ca. 20 m e of Rock Creek and 0.5 km nw of confluence with Feather River. 0.5 km e of Plumas-Butte County line. 600 Comment
  RSA189380  Nemophila heterophylla L. S. Rose 1967-5-6 67057 Plumas North Fork, Feather River. Injun Jim Cam. 610 Comment
  CAS-BOT-BC230551  Nemophila parviflora var. austiniae Alice Eastwood 1927-6-17 14632 Plumas United States Forest Reserve. On road from Long Valley to Greenville Comment
  SEINET5521051  Nemophila parviflora var. austiniae P. A. Lehenbauer 1929-5-12 2680 Plumas 2 miles West of Portola Comment
  CHSC110597  Nemophila pedunculata B. Castro 2006-6-9 1573 Plumas Northern High Sierra Nevada. West side of Lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1668 Comment
  UC397357  Nemophila pedunculata Mrs. Jos. Clemens 1920-4-13 7001 Plumas Crescent Mills Comment
  RSA189428  Nemophila pedunculata L. S. Rose 1967-5-7 67062 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  SD43462  Nemophila pedunculata Philip A. Munz 1947-5-16 11825 Plumas 8.0 miles north of Chilcoot. 1524 Comment
  UC606940  Nemophila pedunculata L. Constance 1938-6-10 2320 Plumas near Lake Almanor (Feather River at Chester); , nr Lake Almanor 1219 Comment
  CDA14770  Nemophila spatulata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3360 Plumas SE of Bucks Lake Road and Bucks Creek, 0.3 mile southwest of Bucks summit on Bucks Lake Road. 1645 Comment
  SEINET10497061  Nemophila spatulata Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4194 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  CHSC48188  Nothocalais alpestris Vernon Oswald 1984-6-25 1330 Plumas La Porte-Quincy Rd. near the jct. of the road to Cleghorn Bar. 1905 Comment
  CHSC2472  Nuphar lutea subsp. polysepala R. Carter 1965-7-6 261 Plumas Found .25 mi. S of intersection of Oroville-Quincy Rd. and U.S.F.S. road 24N33, on S side of Oroville-Quincy Rd. ca. 50 yds. from road in pond in small meadow. 1767 Comment
  JEPS40278  Nuphar lutea subsp. polysepala W. L. Jepson 1918-8-17 8028 Plumas Red Clover Valley, Clover Creek 1676 Comment
  UC635508  Nuphar lutea subsp. polysepala H. L. Mason 1924-6-20 1089 Plumas in a lily pond near Greagle Lodge Comment
  HSC16426  Oenothera cespitosa W. R. Rogers 1966-6-21 241 Plumas 2 mi. N of Chilcoot 1524 Comment
  SEINET5345598  Oenothera flava subsp. flava W. Harnach, N. Harnach 1990-6-13 377 Plumas Sierra Valley, Sw of Beckwourth, Ramelli Ranch 1487 Comment
  CAS-BOT-BC327727  Oreostemma elatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1684 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow 1127 Comment
  RSA0066534  Orobanche corymbosa subsp. mutabilis E. K. Balls 1950-9-2 15630 Plumas Below Mt. Ingalls Lookout, area north of Grizzly Valley. 2377 Comment
  JEPS95553 Image available Orobanche fasciculata Lowell Ahart 1994-7-7 7458 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 2011 Comment
  SEINET10500391  Orobanche fasciculata Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3851 Plumas T24N R14E nw sec 7, Crocker Mt quad. Sagebrush Scrub in Red Clover Valley, ca. 0.5 mi N of Genesee-Beckwourth Rd, ca. 7 mi NW of Beckwourth; elevation 5480 ft. 1670 Comment
  CHSC63459  Orthilia secunda Lowell Ahart 1994-7-28 7540 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CHSC63478  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1994-7-20 7485 Plumas Label also says: Sierra County. On both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC96853  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14053 Plumas Open rocky flat, about 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS95016  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald and Lowell Ahart 1997-6-24 8627 Plumas s. Susanville (on Diamond Mt. Motorway (28N15) at meadow at Wheeler Sheep Campground, on gravelly slope leading down from the rd. to the meadow); Wheeler Sheep Campground 1993 Comment
  RSA518883  Orthocarpus lacerus Barbara Ertter 1989-7-4 8685 -a Plumas Coyote Flat W of Lake Almanor, 4.2 mi W of jct of Hwy 89 and Hwy 36. 1524 Comment
  JEPS87598  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SD7583  Osmorhiza berteroi Daniel Cleveland 1882-7-25 Plumas Comment
  CHSC21519  Osmorhiza chilensis D. Brink 1975-7-8 Plumas Buck's Lake. Comment
  CHSC33742  Osmorhiza chilensis M. S. Taylor 1981-7-22 4016 Plumas S side of 24N19, ca. 0.5 mi se of Pine Creek Valley, ca. 1 mi ne of Argentine Rock, ca. 5 air mi n of Spring Garden. 2225 Comment
  CHSC40870  Osmorhiza chilensis K. R. Stern 1985-6-25 8270 Plumas Vicinity of Blairsden. 1432 Comment
  CHSC80793  Osmorhiza chilensis Lowell Ahart 2001-7-17 8913 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC34862  Osmorhiza occidentalis M. S. Taylor 1981-6-17 3929 Plumas On n side of Coldwater Spring, ca. 1/4 mi e of its jct with 25N49, ca. 14 air mi n of Blairsden. 2072 Comment
  CHSC42639  Osmorhiza occidentalis Vernon Oswald 1986-6-6 2099 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 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
  SEINET10932238  Paeonia brownii Mary Susan Taylor 1982-5-7 Taylor 4418 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  RSA600459  Panicum acuminatum var. acuminatum L. C. Wheeler 1959-7-14 7562 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar. Comment
  UCD89954  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253742  Panicum capillare John Thomas Howell 1959-9-26 35052 Plumas Near Keddie 1005 Comment
  CAS-BOT-BC253748  Panicum capillare John Thomas Howell; et al. 1967-7-10 2191 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  JEPS107736  Panicum capillare Lowell Ahart, John Dittes 2005-9-19 12393 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  SACT001657  Panicum thermale Malcolm Nobs, S. Smith 1949-8-19 Plumas Comment
  CHSC105202  Parnassia palustris B. Castro; L. P. Janeway 1997-9-14 782 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
  JEPS96080  Pectiantia breweri Vernon H. Oswald and Lowell Ahart 1996-8-14 8153 Plumas Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. Comment
  CHSC61061  Pedicularis attollens Vernon H. Oswald; Lowell Ahart 1993-8-3 5765 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. Common on the N side of the lake. 1926 Comment
  UC1125716  Pedicularis attollens A. Lewis 1934-6-12 482 Plumas Little Grass Valley; Plumas National Forest 1524 Comment
  CHSC21822  Pedicularis racemosa F. T. Griggs; A. Pass 1975-7-31 279 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC43503  Pedicularis racemosa Lowell Ahart 1979-8-4 2007 Plumas Go from La Porte to Slate Creek, about 3/4 mile from La Porte turn north and enter and cross the hydralic mine, where the road leaves the mine the plants are about 900 feet to the north, 1 mile east of La Porte. 1463 Comment
  JEPS22196  Pedicularis racemosa Rimo Bacigalupi with Howard Whisler 1957-7-25 6032 Plumas 1 mi w of Deadwood Summit (along Bucks Lake Road, about 1 33/4 mi e of se end of Bucks Lake) 1645 Comment
  CHSC49021  Pedicularis semibarbata Vernon Oswald 1986-6-6 2083 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  SD9636  Pellaea brachyptera Mrs. R. M. Austin 1877-1 Plumas Comment
  CAS-BOT-BC69362  Pellaea breweri Wayne D. Dakan 1973-8-6 s.n. Plumas Thompson Peak near the look-out Comment
  CAS-BOT-BC67589  Pellaea mucronata Mrs. R. M. Austin 1877-11-1 s.n. Plumas Quincy Comment
  POM197141  Pellaea mucronata J. G. Lemmon 1883-07 s.n. Plumas Indian Valley Comment
  JEPS15473  Penstemon deustus Joseph and Hilda Grinnell 1938-6-11 1093 a Plumas Mohawk 1341 Comment
  POM319333  Penstemon deustus Patricia Wilder 1971-6-22 5157 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  RSA21705  Penstemon deustus subsp. deustus Carl B. Wolf 1937-8-6 9065 Plumas Northern Sierra Nevada, Mohawk Valley, 2 mi N of Blairsden. 1341 Comment
  RSA285579  Penstemon deustus subsp. deustus D. C. Michener 1981-7-17 4020 Plumas Sierra Nevada. CA 70, 1.2-1.5 mile north of Tobin. Above the north Fork of the Feather River. Comment
  RSA43303  Penstemon deustus subsp. deustus W. I. Follett, E. B. Follett 1948-6-1 s.n. Plumas North Fork Feather River, 1.3 mi below Chip Creek. Comment
  UC1012472  Penstemon deustus var. deustus Francis W. Pennell 1940-6-11 25807 Plumas Route 89, 7 mi s Greenville; s of Greenville 1188 Comment
  CHSC56881  Penstemon gracilentus L. P. Janeway 1991-8-3 4107 Plumas Plumas National Forest, Beckwourth Ranger District, Threemile Compartment. Near top of ridge, south end of Grizzly Ridge and ca 1 3/4 mi west of Smith Peak. 2072 Comment
  CHSC97269  Penstemon gracilentus Lowell Ahart; John Dittes 2007-8-9 14448 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  SEINET8481969 Image available Penstemon gracilentus Noel H. Holmgren, Patricia K. Holmgren 2014-1 16548 Plumas Sierra Nevada, south of lake Almanor on the south side of Almanor Drive just west of Prattville 1387 Comment
  POM255777  Penstemon gracilentus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1739 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  UC1302290  Penstemon gracilentus Richard M. Straw 1962-6-28 2197 Plumas on Beckwourth road 5-6 mi s Milford; s of Milford 1900 Comment
  UCR3602  Penstemon laetus Wm. Horn Jr. 1963-6-24 630624- 02 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CAS-BOT-BC27139  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  UCD169399  Penstemon neotericus L. P. Janeway 2001-8-5 7421 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  HSC21039  Penstemon newberryi R. Spellenberg 1964-6-18 473 Plumas 2 mi. W of Lassen National Park boundary on Hwy. 44 Comment
  UCR3612  Penstemon newberryi Wm. Horn Jr. 1963-6-29 630629- 2 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC239296  Penstemon newberryi var. berryi H. C. Cantelow 1938-7-5 2328 Plumas Flatiron Ridge, Drakesbad Comment
  SEINET10547621  Penstemon oreocharis Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3888 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
  CHSC21293  Penstemon personatus F. T. Griggs; A. Pass 1975-8-3 303 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC88825  Penstemon personatus L. Hanson 1979-8-10 65 Plumas Plumas National Forest. On ridge so. of Coldwater Creek downslope from Coldwater Creek road. 1524 Comment
  CHSC96363  Penstemon personatus George Hartwell 2006-8-28 Plumas Northern High Sierra Nevada. Plumas National Forest road 23N57X. Near fen. 1755 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
  NY651333  Penstemon rydbergii var. oreocharis D. D. Keck 1928-6-16 447 Plumas Haskins Creek, near Buck's Ranch. 1524.0 Comment
  RSA641452  Penstemon rydbergii var. oreocharis Michael A. Vincent 1999-6-7 8523 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt 11. Comment
  CAS-BOT-BC77078  Pentagramma triangularis subsp. triangularis John Thomas Howell 1967-6-22 42657 Plumas Sierra Nevada - Canyon of the Feather River North Fork, near mouth of Chambers Creek 609 Comment
  JEPS126595  Perideridia bolanderi subsp. bolanderi Lowell Ahart 2016-6-29 21068 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1123113  Perideridia bolanderi subsp. bolanderi E. Sawyer 1935-6-7 85 Plumas 6 1/2 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  UC1562648  Perideridia bolanderi subsp. bolanderi Barbara Ertter with Gary Schoolcraft 1989-7-3 8661 Plumas ridge between Red rock and Diamond Mt. (ca 8 air mi s of Susanville) 2225 Comment
  POM147060  Perideridia bolanderi subsp. bolanderi Alice Eastwood 1927-6-17 14654 Plumas Long Valley Comment
  RSA201296  Perideridia howellii J. T. Howell 1960-7-24 35975 Plumas Lassen Volcanic National Park, Drakesbad 1677 Comment
  CHSC102656  Perideridia lemmonii Lowell Ahart; John Dittes 2009-8-28 16351 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
  RSA755679  Perideridia lemmonii L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16158 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  UC1389932  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5914 Plumas on Hwy 89 1.5 mi n Greenville Comment
  UC1389944  Perideridia lemmonii John Weiler 1963-6-30 63222 Plumas along Hwy 89 6.5 mi s Canyondam Comment
  CHSC21715  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-7-23 247 Plumas Cape Lake. Comment
  HSC100144  Perideridia parishii subsp. latifolia G. Douglas Barbe, T. C. Fuller and J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mi. S of junction of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Rd. 1634 Comment
  JEPS28606  Perideridia parishii subsp. latifolia George W. Gillett 1957-7-17 784 Plumas Willow Lake inlet Lassen Volcanic National Park (side gully) 1767 Comment
  SEINET10906781  Perideridia parishii subsp. latifolia Mary Susan Taylor 1982-6-28 Taylor 4762 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC413562  Persicaria amphibia John Thomas Howell 1976-7-15 s.n. Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CAS-BOT-BC413568  Persicaria amphibia M. S. Taylor 1982-8-10 4956 Plumas In s end of Lake Almanor, ca. 1 mi w of Canyon Dam 1371 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-BC419234  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CAS-BOT-BC419239  Persicaria maculosa John Thomas Howell 1951-8-19 28194 Plumas Greenville 1097 Comment
  CHSC21128  Phacelia hastata subsp. hastata F. T. Griggs; A. Pass 1975-7-2 38 Plumas Buck's Lake Forest Survey. East of road. Comment
  CDA14715  Phacelia heterophylla G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3231 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CDA17289  Phacelia heterophylla subsp. virgata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16317 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
  JEPS105988  Phacelia heterophylla subsp. virgata Lowell Ahart, Josephine Guardino 2004-5-24 10951 Plumas Near an 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
  JEPS2085  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Rich Gulch 1173 Comment
  POM147035  Phacelia heterophylla subsp. virgata Alice Eastwood 1927-6-11 14434 Plumas United States Forest Reserve. Forest Lodge, Greenville. Comment
  SFV3014  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Sierra Nevada Rich Gulch. 1174 Comment
  JEPS21180  Phacelia humilis var. humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  RSA537467  Phacelia humilis var. humilis Barbara Ertter, Gary Schoolcraft 1989-7-3 8636 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts ca 9 airmiles S of Susanville. 1768 Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  UC511756  Phacelia mutabilis Frank W. Peirson 1926-6-22 6813 Plumas trail from Drakesbad to the Devil's Kitchen; Lassen National Park 1737 Comment
  UCSB19702  Phacelia mutabilis Myrick, Donald 1964-7-21 Plumas Near Trail Parking area, Drakesbad, Lassen Volcanic National Park 1737 Comment
  CHSC62359  Phacelia procera B. Castro; R. Fallscheer, R. Zebell 1989-8-15 398 Plumas Ca 5 air mi S of Bucks Lake, ca 200 ft E of Coldwater Creek, and ca 0.2 mi S of Ohio Ravine in moist ditch along E side of USFS Rd 23N18. 1569 Comment
  CAS-BOT-BC134014  Phacelia procera Rimo Bacigalupi 1927-7-10 1680 Plumas Slopes of Mt Elwell above Long Lake 2133 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  CHSC73783  Phacelia racemosa B. Castro 1997-6-9 728 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  JEPS97364  Phacelia racemosa Vernon H. Oswald and L. Ahart 1994-7-24 7117 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, 6300 ft, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10 1920 Comment
  CAS-BOT-BC265834  Phalaris arundinacea Lloyd W. Swift 1931-7-24 54 Plumas Haun's Meadow 1402 Comment
  CHSC21302  Philadelphus lewisii F. T. Griggs; A. Pass 1975-7-8 123 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC250779  Phleum alpinum Lloyd W. Swift 1932-8-3 73 Plumas Plumas National Forest. Oats Meadow in Grass Valley 1524 Comment
  CAS-BOT-BC260843  Phleum pratense John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-7-10 2177 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 883 Comment
  JEPS107599  Phleum pratense Lowell Ahart, Josephine Guardino 2005-8-10 12314 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC97147  Phlox diffusa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13984 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
  UCR3613  Phlox diffusa Wm. Horn Jr. 1963-6-29 630629 7 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  SBBG6055  Phlox speciosa H. and M. Dearing 1939-5-9 3320 Plumas near Quincy Comment
  CHSC76138  Phlox speciosa subsp. occidentalis G. F. Hrusa 1997-5-30 13824 Plumas Sierra Nevada. Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  CHSC80244  Phlox speciosa subsp. occidentalis L. P. Janeway 1996-6-5 4988 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  RSA39890  Phlox speciosa subsp. occidentalis P. A. Munz 1947-5-16 11832 Plumas 8 miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC58839  Phyllodoce breweri Anna Head 1920-6-30 s.n. Plumas Feather River Region - Lake Center Camp 1920 Comment
  LA41262  Phyllodoce breweri Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC77  Pinus contorta subsp. murrayana J. Kasak 1931-5-1 Plumas Humbug Valley. 1310 Comment
  UCR3597  Pinus contorta var. murrayana Wm. Horn Jr. 1963-8-13 630813- 02 Plumas S shore of Bucks Lake 1707 Comment
  SEINET10530759  Pinus jeffreyi Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  NY43572  Pinus lambertiana J. B. Walker 1994-8-2 867 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY42392  Pinus ponderosa J. B. Walker 1994-8-1 861 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY62291  Pinus ponderosa R. M. Austin 1879-1 s.n. Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Mar 14 2016
  RSA79259  Pinus ponderosa E. K. Balls, P. C. Everett 1952-10-9 18133 Plumas E shore of Lake Almanor, 6.5 mi N of south tip of lake, Hwy 89 between Greenville and Westwood. 1220 Comment
  CHSC57107  Piperia unalascensis L. P. Janeway 1991-7-23 4092 Plumas Plumas National Forest. Between Gold Lake Hwy and Gray Eagle Creek, 1.0 mi north of turn to Gray Eagle Lodge. 1691 Comment
  CHSC103134  Plagiobothrys cusickii Lowell Ahart; John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CAS-BOT-BC230988  Plagiobothrys hispidulus Anna Head 1921-7-11 s.n. Plumas Feather River Region. Near Gold Lake Comment
  CHSC65330  Plagiobothrys hispidulus Lowell Ahart 1995-10-1 7645 Plumas On the bottom of the pond (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CAS-BOT-BC228469  Plagiobothrys mollis M. S. Taylor 1982-7-8 4802 Plumas On Ramelli Ranch on S side of Feather River, 1 mile SW of Beckwourth 1487 Comment
  CHSC102152  Plagiobothrys mollis var. mollis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16224 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS88534  Plagiobothrys mollis var. mollis Vernon H. Oswald and Lowell Ahart 1996-7-15 8010 Plumas s. side of w. end of Hwy. 36 causeway crossing Lake Almanor e. of Chester; High Cascade Range 1371 Comment
  UCR111253  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Sierra Nevada Mtns, Butterfly Valley, c. 3 mi. west of Keddie. 1220 Comment
  RSA189361  Plagiobothrys tenellus L. S. Rose 1967-5-6 67058 Plumas North Fork Feather River; Injun Jim Camp. 610 Comment
  SEINET6225047  Plagiobothrys tenellus L. S. Rose 1967-1 67058 Plumas Injun Jim Camp Comment
  CAS-BOT-BC228456  Plagiobothrys torreyi Alice Eastwood 1927-6-27 14432 Plumas United States Forest Reserve. On road from Chilcott Comment
  HSC16611  Platanthera dilatata var. leucostachys W. R. Rogers 1966-7-12 278 Plumas Ramelli Creek Comment
  SD7905  Platanthera dilatata var. leucostachys Mrs. R. M. Austin 1880-1 Plumas No further locality information on label on specimen sheet. Comment
  UC1562285  Platanthera leucostachys Lowell Ahart 1990-7-16 6570 Plumas along edge South Fork Feather River about 1/2 mi ne Independent Mine (about 3 1/2 mi ne of Little Grass Valley Reservoir); along edge South Fork Feather River 1828 Comment
  RSA508613  Plectritis congesta R. M. Austin 1878-05 s.n. Plumas Indian Valley. Comment
  RSA39884  Plectritis macrocera subsp. grayi Philip A. Munz 1947-5-16 11828 Plumas 8 miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC244376  Poa annua Walter Knight; et al. 1967-5-8 1796 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 990 Comment
  JEPS95297  Poa bolanderi Lowell Ahart 1994-7-7 7449 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  UCD90594  Poa bolanderi Leo Whitney 1934-8-12 2295 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. 1828 Comment
  RSA726406  Poa bulbosa L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14057 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  CHSC100868  Poa cusickii subsp. cusickii L. P. Janeway; B. Castro 2008-6-8 9400 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  JEPS113783  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
  CAS-BOT-BC247274  Poa palustris John Thomas Howell 1961-9-25 36944 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC247279  Poa palustris John Thomas Howell 1960-7-19 35627 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC247384  Poa pratensis Mary S. Clemens 1920-6-8 16 Plumas Greenville Comment
  CAS-BOT-BC247389  Poa pratensis Walter Knight; Irja Knight 1966-6-18 1379 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC247392  Poa pratensis Walter Knight; Irja Knight 1967-5-22 1827 Plumas Butterfly Botanical Area and vicinity. Valley proper 1066 Comment
  UCD91820  Poa pratensis A. A. Beetle 1941-6-28 2768 Plumas west side of Lake Almanor. 1828 Comment
  JEPS115901  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16105 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS76237  Poa secunda subsp. juncifolia W. L. Jepson 1939-8-14 19413 Plumas Willow Creek Willow Creek 1828 Comment
  UC174640  Poa secunda subsp. juncifolia P. B. Kennedy 1901-6-10 Plumas RR Station <Constantia ?> Comment
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Jan 6 2015
  CAS-BOT-BC242972  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8711 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242978  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50637 Plumas Headwaters of Indian Creek SE of Diamond Mountain 2164 Comment
  UC1132855  Poa secunda subsp. secunda E. Sawyer 1935-5-23 33 Plumas 1 1/2 mi sse Kerby; Sierraville Quadrangle Comment
  SEINET7294128 Image available Poa secunda subsp. secunda John Thomas Howell 1962-1 37773 Plumas Sierra Valley near Beckwourth, .75 mi. sw. of B. on road to Sierraville. 1487 Comment
  CAS-BOT-BC244142  Poa sierrae John Thomas Howell 1967-6-22 42650 Plumas Canyon of the Feather River N Fork, near mouth of Granite Creek 609 Comment
  CAS-BOT-BC244148  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  SEINET10934906  Poa sierrae John Thomas Howell, Gordon H. True 1967-5-9 Howell 42204 Plumas 3.5 mi. SW of Belden, Feather River Canyon Comment
  CHSC95040  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
  UC338271  Polemonium occidentale unknown Plumas Barton's meadow , Barton's meadow (Mohawk Valley) Comment
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  CHSC59922  Polygala cornuta L. P. Janeway 1992-7-31 4284 Plumas South-facing slopes in canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70. 685 Comment
  CAS-BOT-BC110522  Polygonum James T. Vale 1980-9-18 s.n. Plumas Sierra Nevada. Sand bar of Feather River just above Caribou road. Comment
  JEPS115554  Polygonum arenastrum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16237 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC40874  Polygonum aviculare K. R. Stern 1985-6-25 8219 Plumas Vicinity of Blairsden, Feather River bottoms. 1371 Comment
  CHSC95015  Polygonum aviculare Lowell Ahart 2006-10-23 13483 Plumas Gravel bar, on the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC414047  Polygonum aviculare subsp. aviculare John Thomas Howell 1955-7-19 30761 Plumas Beckwourth 1493 Comment
  CHSC37701  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC110251  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. 1554 Comment
  JEPS87770  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  JEPS87827  Polygonum davisiae Lowell Ahart 1994-7-20 7476 Plumas about 1/2 mi nw Mount Etna (n side of ridge, n of Pacific Crest Trail, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  SEINET10479644  Polygonum davisiae Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4965 Plumas T21N R11E se sec 3. Sierra City NW quad. On ridge between Florentine Cyn and Spencer Lakes, ca. 5 mi sw of Johnsville. 7000 ft. 2133 Comment
  HSC17503  Polygonum douglasii L. S. Rose 1967-7-9 67142 Plumas Quincy 1037 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
  SEINET3405777 Image available Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy 1036 Comment
  UCD100241  Polygonum douglasii John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC414560  Polygonum douglasii Lowell Ahart 1977-8-2 s.n. Plumas One mile west of Pilot Pk. Pilot Pk. is about 15 miles north-east of La Porte 2000 Comment
  CDA34544  Polygonum douglasii subsp. douglasii L. Ahart 2007-6-16 14091 Plumas East of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. Comment
  JEPS107636  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  JEPS107708  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes 2005-9-19 12403 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CHSC20806  Polygonum douglasii subsp. johnstonii K. R. Stern 1975-7-23 5843 Plumas W shore of Lake Almanor. 1371 Comment
  SEINET4335420  Polygonum kelloggii var. kelloggii A. A. Heller, P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  RSA518879  Polygonum lapathifolium Barbara J. Ertter 1988-10-21 8004 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  UC1562670  Polygonum lapathifolium Barbara Ertter 1988-10-21 8004 Plumas e end of causeway ca 1.5 mi e Chester (on Hwy 36); Lake Almanor 1341 Comment
  CAS-BOT-BC419888  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 37807 Plumas Sierra Valley near Beckwourth 1487 Comment
  UC965538  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1952-7-17 14388 Plumas Beckwourth Sierra Valley 1524 Comment
  CAS-BOT-BC420046  Polygonum polygaloides subsp. kelloggii A. A. Heller; P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  CDA28561  Polygonum sawatchense G. D. Barbe 1982-6-9 3659 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  SEINET10479787  Polygonum sawatchense Mary Susan Taylor 1982-9-8 Taylor 5112 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC421044  Polygonum spergulariiforme Clare B. Hardham 1978-8-12 21818 Plumas West of Bagley Pass 2072 Comment
  JEPS103024  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC237268  Polypogon monspeliensis John Thomas Howell 1951-8-20 28233 Plumas Sierra Valley, 3 miles E of Buckwourth 1524 Comment
  JEPS94289  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on the w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork of the Feather River, Caribou Road 792 Comment
  CHSC52759  Polystichum imbricans subsp. imbricans L. P. Janeway 1990-9-28 3854 Plumas West Branch Soda Creek 0.4 mi N of East Branch North Fork Feather River and Hwy 70; vicinity of Paxton. 914 Comment
  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
  SEINET10867043  Polystichum lemmonii Mary Susan Taylor 1980-9-27 Taylor 3348 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  UCD136521  Polystichum lemmonii M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3348 Plumas Ca. 0.25 mi. S of Bucks Lake-Spanish Ranch Rd., ca. 0.25 mi. E of Frenchman Hill, ca. 20 mi. SW of Quincy. 1645 Comment
  CAS-BOT-BC102347  Populus alba John Thomas Howell 1959-9-25 35035 Plumas Quincy 1036 Comment
  JEPS102425  Populus trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  SEINET3145579  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 mi. NW of Chester, N Fork Feather River 1402 Comment
  SEINET10460762  Porterella carnosula Bruce BRUCE s.n. Plumas Big Meadows Comment
  SEINET10873429  Porterella carnosula Sawyer 1935-6-27 SAWYER 163 Plumas Charlies Valley, northwest of Beckwith, Plumas National Forest 1524 Comment
  CAS-BOT-BC233726  Portulaca John Thomas Howell 1961-9-24 36916 Plumas Feather River bed SW of Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC453788  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC453794  Potamogeton natans E. K. Balls 1950-9-9 15733 Plumas West of Lakes Center Public Campground, southern Plumas County 2042 Comment
  UCD20196  Potamogeton pusillus R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  UCD20197  Potamogeton pusillus R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  SEINET4458917 Image available Potentilla aperta A. A. Heller, P. B. Kennedy 1907-1 8882 Plumas Comment
  CHSC73431  Potentilla bruceae H. Durio 1995-8-17 Plumas Mosquito Flat Mdw. 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. 1682 Comment
  CHSC108455  Potentilla glandulosa subsp. ashlandica Lowell Ahart 2011-9-20 17682 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
  CHSC43734  Potentilla glandulosa subsp. ashlandica Vernon Oswald 1986-7-10 2194 Plumas Forest Service Rd. (Pacific Crest Trail) 1.9 mi w of LaPorte-Quincy Rd. Roadside. 1859 Comment
  CHSC53171  Potentilla glandulosa subsp. ashlandica L. P. Janeway 1989-6-22 3366 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw; along rd 24N49Y. 1804 Comment
  JEPS44234  Potentilla gracilis W. L. Jepson 1910-6-15 4131 Plumas Prattville 1310 Comment
  CAS-BOT-BC141636  Potentilla gracilis var. elmeri Alice Eastwood 1927-6-12 14509 Plumas Forest Camp - United States Forest Reserve Comment
  CHSC57453  Potentilla gracilis var. elmeri L. P. Janeway; Melinda Carlson 1991-6-18 4047 Plumas Plumas National Forest. North side Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. Pasture. 1472 Comment
  CAS-BOT-BC531746  Potentilla gracilis var. elmeri Lewis S. Rose 1955-7-20 55155 Plumas Mohawk 1371 Comment
  CAS-BOT-BC540074  Potentilla gracilis var. fastigiata Alice Eastwood 1927-6-13 14542 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC540079  Potentilla gracilis var. fastigiata Anna Head 1921-7-25 s.n. Plumas Meadow above Long Lake Comment
  POM34033  Potentilla millefolia Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC725796  Potentilla millefolia A. A. Heller 1907-7-3 8691 Plumas Red Clover Valley 1676 Comment
  CDA12049  Potentilla palustris G. F. Hrusa, J. Dinsdale 1989-6-27 7214 Plumas Sierra Nevada; Snake Lake, approx. 5 m. WNW of Quincy. Comment
  JEPS102824  Potentilla rivalis Lowell Ahart 2001-8-29 9236 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET12272878  Prunella vulgaris subsp. lanceolata Unknown 1961-1 239 Plumas Upper Butterfly Valley, 2.5mi W turn off Hwy 89-US 40 alt. 1 mi S Keddie. T25N R9E Sect.21.* 1158 Comment
  JEPS115082  Prunella vulgaris var. lanceolata Lowell Ahart, John Dittes 2009-7-13 16042 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC158140  Prunus emarginata Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CAS-BOT-BC158152  Prunus emarginata John Thomas Howell; Gordon H. True 1967-7-11 43335 Plumas Summit ridge of Mt. Hough 2194 Comment
  SEINET7346803  Prunus emarginata A. A. Heller, P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  SEINET7406684  Prunus subcordata R. J. Holl 1948-4-20 25 Plumas 3 miles west of Chilcoot 1615 Comment
  CHSC37635  Prunus virginiana var. demissa T. B. Devine 1979-10-5 601 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi E of its junction with the E branch of the N Fork. 792 Comment
  UCD113528  Prunus virginiana var. demissa Matt Georgeff 1992-5-17 20 Plumas Snake Lake campground, 15 miles west of Quincy, 0.5 mile from campground. 1249 Comment
  CAS-BOT-BC356382  Pseudognaphalium beneolens John Thomas Howell 1960-7-20 35756 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC357347  Pseudognaphalium microcephalum John Thomas Howell 1959-9-22 34832 Plumas Wolf Creek 1371 Comment
  CHSC113592  Pseudognaphalium thermale Lowell Ahart 2014-8-24 19763 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC34905  Pseudognaphalium thermale M. S. Taylor 1981-9-2 4263 Plumas W side of 26N18, ca. 1 mi s of Onion Flat, ca. 3 mi w of Indian Falls. 1463 Comment
  UC1125831  Pseudostellaria jamesiana A. Lewis 1934-6-18 490 Plumas 1 mi sw Bald Mtn.; Plumas National Forest, Downieville Quad., sw of Bald Mtn. Comment
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Jun 14 2013
  RSA0006061  Pseudostellaria sierrae Richard K. Rabeler, Barbara 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 Road), 1.95 mi N of CA 89, W of Crescent Mills. 1462 Comment
  RSA755811  Pseudotsuga menziesii L. Ahart, John Dittes 2009-7-13 16058 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CAS-BOT-BC361686  Psilocarphus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54207 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  SEINET10475096  Psilocarphus brevissimus Mary Susan Taylor 1982-6-10 Taylor 4634 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  CAS-BOT-BC361781  Psilocarphus brevissimus var. brevissimus Thomas H. Kearney 1944-8-14 158 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC72609  Pteridium aquilinum John Thomas Howell 1961-6-21 36675 Plumas Greenville 1097 Comment
  CAS-BOT-BC72612  Pteridium aquilinum John Thomas Howell; Gordon H. True 1969-6-23 45808 Plumas 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  UC122672  Pteridium aquilinum var. pubescens Mrs. R. M. Austin Aug, 1879 316 Plumas Indian Valley Comment
  SEINET10859933  Puccinellia erecta Vernon H. Oswald, Lowell Ahart 1989-8-22 Oswald 3952 Plumas T26N R5E se/S11, Red Fir Forest. Impounded spring on the e side of Humbug Rd 1.5 mi (odometer) n of Humbug Summit (Butte County line). Rooted in shallow water on the edge of the pond. 1981 Comment
  CHSC109999  Purshia tridentata var. tridentata B. Castro; L. P. Janeway 2006-6-3 1535 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  UCSB24621  Purshia tridentata var. tridentata McMinn, Howard 1932-8-4 Plumas Truckee to Quincy Comment
  CDA13988  Pycnanthemum californicum G. F. Hrusa 1996-8-2 13450 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, ca. 1 mi. NW of Argentine Rock. Comment
  CAS-BOT-BC466104  Pyrola picta Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC466109  Pyrola picta John Thomas Howell 1960-7-21 35821 Plumas Lassen Volcanic National Park, near Terminal Geyser 1798 Comment
  RSA0083322  Pyrola picta Joseph A. Ewan 1934-7-17 8581 Plumas About Bear Lake, Mt. Elwell region. 1982 Comment
  CAS-BOT-BC328163  Pyrrocoma lucida R. F. Thorne; C. W. Tilforth 1969-9-6 39238 Plumas Near bank of Feather River 1 mile southwest of Beckwourth 1356 Comment
  UCR57894  Pyrrocoma lucida R. D. Goeden, Don W. Ricker 1989-8-22 890822- 5 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, Frenchman Lake 1704 Comment
  UCR89346  Pyrrocoma lucida J. T. Howell 1961-9-25 36957 Plumas Sierra Nevada Mtns., Portola 1479 Comment
  JEPS100318  Pyrrocoma racemosa var. paniculata Dean W. Taylor 2001-7-20 17845 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 just southeast of the lake 1859 Comment
  CAS-BOT-BC62428  Quercus chrysolepis John M. Tucker 1948-7-25 1736 Plumas Summit of Lav Cap ca. 1 mi. south of Cascade 1435 Comment
  CDA21865  Quercus chrysolepis J. M. Tucker 1948-7-25 1736 Plumas Summit of Lava Cap , ca. 1 mile south of Cascade. Comment
  CAS-BOT-BC93980  Quercus durata John Thomas Howell 1959-9-21 34788 Plumas Rich Bar 762 Comment
  UCD46185  Quercus garryana F. T. Griggs 1977-7-17 229 Plumas Soda Creek, ca. 5 miles north of Belden, Plumas County, California. 1524 Comment
  CHSC96739  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8988 Plumas Northern High Sierra Nevada. Along road 26N22F (to the top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  JEPS115887  Quercus kelloggii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15856 Plumas On the south side of the road, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  UC463085  Quercus kelloggii C. H. Crickmay Aug 1931 Plumas Taylorsville Comment
  SEINET10431683  Quercus kelloggii C. N. Saulisberry 1949-5-28 s.n. Plumas 3 miles N of Quincy. Comment
  CAS-BOT-BC104607  Quercus vacciniifolia Gladys L. Smith 1976-6-7 4581 Plumas Sierra Nevada. North End of summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  JEPS115551  Quercus vacciniifolia Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16217 Plumas On dry rocky soil, south of a drainage from a snow lake, about 100 yards north of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  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
  UCR3600  Quercus vacciniifolia Wm. Horn Jr. 1963-6-29 630629- 3 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CHSC47664  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of Quincy La Porte Road, about 1 1/4 miles north-west of Pilot Peak. 1828 Comment
  RSA758831  Ranunculus andersonii James R. Shevock 1985-5-19 11174 Plumas Plumas National Forest, along forest road 26N70 just south of Crocker Station. 1800 Comment
  SEINET8695949  Ranunculus andersonii var. andersonii W. Harnach 1990-3-31 254 Plumas Sierra Valley, W side of volcanic knob to the W of County Road A-23 near Marble Lane (Land belong to Wilson brothers and for sale at present). 1515 Comment
  RSA726285  Ranunculus aquatilis L. Ahart 2007-6-16 14130 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CHSC37774  Ranunculus aquatilis var. capillaceus M. S. Taylor 1981-5-10 3670 Plumas In n side of Antelope Lake, ca. 1/4 mi w of Boulder Creek and USFS Work Center, ca. 20 mi ne of Taylorsville. 1536 Comment
  JEPS55182  Ranunculus californicus W. L. Jepson 1910-6-5 4068 Plumas Warner Valley; creek flats 1524 Comment
  POM99175  Ranunculus flammula var. ovalis Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC60558  Ranunculus glaberrimus var. ellipticus L. P. Janeway 1992-4-2 4149 Plumas Plumas National Forest. About 1/4 mi northeast of Claireville Flat; 1/2 mi southeast of Hwy 70 and 2/3 mi northwest of Middle Fork Feather River. 1490 Comment
  SD149109  Rhamnus John Thomas Howell 1976-7-20 52038 Plumas Transition zone forest at south end of Lake Almanor 1372 Comment
  JEPS101236  Rhamnus alnifolia Dean W. Taylor 2000-7-31 17541 Plumas Little Antelope Creek, southeastern end of Antelope Lake (Feather River watershed); along Forest Road 278N41 0.2 miles S from junction of Road 172 (paved) Comment
  UC1350965  Rhamnus purshiana A. Rehder 1939-6 8531 Plumas Comment
  UC170940  Rhamnus purshiana H. M. Hall Jun 1912 9260 Plumas American Valley, at Seeman's Sierra Mountains 1066 Comment
  UC1121929  Rhamnus rubra E. Sawyer 1935-7-8 277 Plumas 4.5 mi s Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  RSA88510  Rhamnus tomentella subsp. crassifolia J. T. Howell 1951-8-19 28167 Plumas Serpentine near Rich Bar. 793 Comment
  CHSC54396  Rhododendron neoglandulosum Vernon H. Oswald 1991-7-17 4754 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  PASA1597  Rhododendron occidentale Margaret Stason 1932-6-23 450 Plumas road between mineral and viola Comment
  UC1075702  Rhododendron occidentale Robert J. Weatherby 1955-6-16 1531 Plumas above Virgilia (Feather River Canyon, Head of Berry Creek); Feather River Canyon, Berry Creek 1524 Comment
  CAS-BOT-BC111876  Rhynchospora alba V. Oswald; Lowell Ahart 1988-8-4 3670 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1127 Comment
  CHSC66695  Rhynchospora capitellata Vernon H. Oswald; Linnea Hanson 1996-7-30 8099 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Road 417. 1188 Comment
  JEPS102233  Rhynchospora capitellata L. P. Janeway 2001-7-5 7416 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 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
  CHSC92195  Ribes cereum var. cereum Lowell Ahart; John Dittes 2005-9-20 12438 Plumas North of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 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
  CHSC81378  Ribes nevadense L. P. Janeway 1996-4-23 4956 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
  CHSC20732  Ribes roezlii K. R. Stern 1975-7-23 5899 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC21109  Ribes roezlii F. T. Griggs; A. Pass 1975-7-1 23 Plumas East of Grizzly Peak. Buck's Lake Forest Service Survey. Comment
  CHSC52955  Ribes roezlii var. roezlii L. P. Janeway 1989-6-20 3354 Plumas East-facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  CAS-BOT-BC173855  Ribes velutinum James R. Shevock 1985-5-19 11162 Plumas Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir 1750 Comment
  CAS-BOT-BC168780  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte 2103 Comment
  JEPS127343  Ribes viscosissimum Lowell Ahart 2016-7-9 21101 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCD19440  Ribes viscosissimum W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake, along quarry road. 1584 Comment
  SEINET10473936  Rigiopappus leptocladus Mary Susan Taylor 1982-6-28 Taylor 4771 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC74635  Rorippa curvisiliqua A. A. Heller 1915-7-7 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 miles west of Bucks. Comment
  JEPS53822  Rorippa curvisiliqua W. L. Jepson 1939-8-12 19403 Plumas branch Last Chance Creek (Ferris Creek); , branch of Last Chance Creek 1767 Comment
  CHSC95017  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-23 13476 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS122115  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC112543  Rorippa nasturtium-aquaticum B. Castro; L. P. Janeway 2008-6-7 1737 Plumas Upper Feather River Water Balance Study: Thompson Creek. 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
  CAS-BOT-BC74870  Rorippa tenerrima John Thomas Howell 1976-7-16 51896 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  CAS-BOT-BC146373  Rosa W. Harnach; N. Harnach 1990-6-27 422 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  CAS-BOT-BC146433  Rosa bridgesii J. Ed. McClellan; Bonnie McClellan 1968-6-11 s.n. Plumas Butterfly Botanical Area Comment
  CHSC21557  Rosa bridgesii L. M. Mayer; D. E. Brink 1975-7-2 Plumas Bucks Lake. Comment
  CAS-BOT-BC148175  Rosa gymnocarpa L. P. Janeway 1992-6-10 4229 Plumas Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .3 mi southwest of Little Grizzly Creek - Plumas National Forest, Bechwourth Ranger District 1813 Comment
  CHSC81152  Rosa pisocarpa subsp. ahartii Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC97283  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14465 Plumas About 40 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS102526  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  RSA726387  Rosa woodsii var. ultramontana L. Ahart, Josephine Guardino 2007-7-20 14323 Plumas Northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1790 Comment
  CHSC117549  Rubus parviflorus Lowell Ahart 2016-7-9 21100 Plumas South side of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  CAS-BOT-BC156921  Rubus ursinus John Thomas Howell 1967-6-23 42679 Plumas Canyon of Butterfly Creek 1036 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
  SD7885  Rumex acetosella Mrs. R. M. Austin unknown Plumas American Valley 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
  CHSC82125  Rumex fueginus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  CHSC55734  Rumex salicifolius var. triangulivalvis K. R. Stern 1985-6-25 8286 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC92819  Rumex salicifolius var. triangulivalvis Lowell Ahart; Josephine Guardino 2005-8-9 12297 Plumas In a meadow, along a small drainage that runs into Fant Creek, south of Fant Creek, near the water trough, about 30 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC99833  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas West side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of LaPorte. 1613 Comment
  RSA52908  Sagittaria cuneata R. Weatherby 1950-7-28 1501 Plumas At edge of Taylorsville (near Mt. Hough Road). 1067 Comment
  SEINET10465396  Sagittaria cuneata Mary Susan Taylor 1982-8-17 Taylor 5006 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  UC142444  Sagittaria latifolia Mrs. R. M. Austin Aug, 1878 296 Plumas Big Meadows Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CAS-BOT-BC103622  Salix eastwoodiae Rimo Bacigalupi 1927-7-8 1667 Plumas western edge of 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
  CHSC54416  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located on the south border of the park, ca. 2.5 miled (air) south-southeast of Drakesbad. 1828 Comment
  CHSC58516  Salix eastwoodiae Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5034 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
  UC1594688  Salix eastwoodiae Vernon H. Oswald, et al. 1992-7-1 5034 Plumas Grass Lake located just w of Lakes Basin Campground (ca. 5 mi (air) ssw of Graegle via Gold Lake Forest Hwy. (County Rd. 519), w end of lake) 1926 Comment
  CHSC97162  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14024 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CAS-BOT-BC103884  Salix exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54345 Plumas Near mouth of Lights Creek 1371 Comment
  CAS-BOT-BC107972  Salix geyeriana Alice Eastwood 1918-5-25 7003 Plumas Portola Comment
  CHSC112525  Salix geyeriana B. Castro; L. P. Janeway 2007-6-24 1658 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley ~ 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. Ca 500 ft W side of Thompson Creek, ca 700 ft SW of small rock dam and pond, in seep at lower edge of open Ponderosa-Jeffrey pine forest. On ca 5% E-facing slope within area of dry sagebrush, bitterbrush and sparse grasses, in small 35x100ft springy area. 1677 Comment
  CHSC118828  Salix jepsonii Wendy L. Boes 2015-5-27 2015019 Plumas Plumas National Forest. Location southwest of Silver Creek, north of Forest Service 24N29X, west of 24N56, near Meadow Valley. UTM 663727 E, 4422262 N, NAD83 Zone 10N. Growing in creek. 1160 Comment
  UC1134969  Salix lasiandra subsp. lasiandra F. Embree 1934-6-6 77 Plumas Three Lakes Plumas Nat'l Forest, Bidwell Bar Quad., Three Lakes Comment
  UC525902  Salix lasiandra subsp. lasiandra C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 698 Plumas ca. 5 mi. s.w. Prattville (Fork of Feather R.); Fork of Feather R. Comment
  CAS-BOT-BC125303  Salix lasiandra var. lasiandra A. A. Heller 1913-6-13 10849 Plumas Near Marston Station 1066 Comment
  JEPS14869  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-30 Plumas near rd. into U.C. Forestry Camp (gravel pit n. of Meadow Valley Creek) 1158 Comment
  CAS-BOT-BC128430  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC124577  Salix lemmonii Alice Eastwood 1918-5-25 7027 Plumas Portola Comment
  CHSC69903  Salix lemmonii L. P. Janeway 1997-5-14 5126 Plumas Along Dixie Creek at the '70' Road (to Laufman); in northeast corner of Red Clover Valley. 1676 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  SBBG121279  Salix lemmonii L. Ahart, J. Dittes 2007-6-16 14128 Plumas S side of County Rd 111 (Beckwourth Gensee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  UC481910  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester (bottom land beside bridge); N. Fork Feather R. 1350 Comment
  UC482033  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  UCSB15994  Salix ligulifolia Breedlove, Dennis 1962-6-12 Plumas Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC128236  Salix lucida Alice Eastwood 1918-5-25 6974 Plumas Portola Comment
  CAS-BOT-BC129351  Salix melanopsis L. W. Swift 1934-9-13 126 Plumas Sloat 1463 Comment
  CAS-BOT-BC129390  Salix melanopsis A. A. Heller; P. B. Kennedy 1907-7-13 8830 Plumas Taylorville Comment
  SD916  Salix melanopsis Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 396 Plumas North Fork of Feather River, at Chester, flood plain 1349 Comment
  CAS-BOT-BC129095  Salix scouleriana Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1513 Plumas East of dam, pond reservoir - Butterfly Botanical Area and vicinity. 1094 Comment
  CHSC76145  Salix scouleriana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3329 Plumas 4.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake. 1661 Comment
  JEPS115170  Salix scouleriana Lowell Ahart, John Dittes 2009-7-15 16079 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
  CHSC64082  Sambucus mexicana B. Castro; R. A. Schlising 1987-7-21 178 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  RSA59182  Sambucus microbotrys E. K. Balls 1950-9-1 15608 Plumas East of Long Lake at base of cliffs at top of meadow leading down to two smaller lakes 2134 Comment
  CDA17223  Sanguisorba annua G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16326 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
  POM295332  Sanguisorba annua Lyman D. Benson 1949-6-21 13744 Plumas 1 mile of Lake Almanor Inn. Cascade Mtn Range. Feather River drainage area. 1341 Comment
  UC2042979  Sanicula bipinnatifida Barbara Ertter with Gary Schoolcraft 1990-5-14 8980 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CAS-BOT-BC8644  Sanicula bipinnatifida var. flava Amos Arthur Heller 1913-6-13 10839 Plumas Near Marston Station 1066 Comment
  CHSC42666  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  UC1561210  Sanicula graveolens Barbara Ertter with Gary Schoolcraft 1988-7-3 8646 Plumas 8 air mi s of Susanville (on s side of Red Rock Lookout); Red Rock Lookout 2255 Comment
  UC2029091  Sanicula graveolens Barbara Ertter with Gary Schoolcraft 1990-5-14 8972 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. Comment
  SBBG128727  Sanicula graveolens L. Ahart 2008-7-16 15099 Plumas dry open area, W of a small meadow (swamp), N of a small deep stream, ca. 130 yards N of paved rd, ca. 1/4 mi W of bridge where the S Fork of the Feather River flows into Little Grass Valley Reservoir, ca. 2 1/2 mi (air) N of La Porte 1597 Comment
  SEINET11155993  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover Valley. Comment
  CHSC62524  Sanicula tuberosa B. Castro 1993-7-8 474 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  JEPS120771  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  CAS-BOT-BC110338  Sarcobatus vermiculatus Greg Sommers 1976-6-20 132 Plumas Sierra Nevada. Sierra Valley Marsh. Northeast of Marble Hot Springs. 1524 Comment
  SEINET8036319 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-1 1741 Plumas below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada, Plumas County Comment
  UC639099  Sarcodes sanguinea unknown July, 1937 Plumas Meadow Valley Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  RSA0102601  Sceptridium multifidum Ira L. Wiggins 1948-9-15 12056 Plumas On ridge between canyons of Onion Creek and Middle Fork of the Feather River. Comment
  CAS-BOT-BC111574  Schoenoplectus americanus W. R. Dudley 1909-8-26 s.n. Plumas Near East Hot Springs, Sierra Valley. Comment
  CHSC61071  Schoenoplectus subterminalis Vernon H. Oswald 1993-8-3 5766 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. On the W side of the lake. 1926 Comment
  JEPS91025  Schoenoplectus subterminalis Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11435 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  UC1609498  Schoenoplectus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  CAS-BOT-BC110861  Scirpus diffusus Walter Knight; Irja Knight 1966-6-18 1387 Plumas Butterfly Valley. Near Spring 1158 Comment
  CHSC52557  Scirpus microcarpus K. R. Stern 1985-6-25 8312 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC53556  Scirpus microcarpus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  CHSC65855  Scirpus microcarpus L. P. Janeway 1995-9-18 4930 Plumas 0.8 mi southeast of the southern tip of Crocker Mountain; at spring along Road 24N06 about halfway between Crocker Meadow and Big Grizzly Creek. 1865 Comment
  CHSC66649  Scirpus microcarpus Vernon H. Oswald 1996-7-15 8034 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road. 1371 Comment
  CAS-BOT-BC111010  Scirpus microcarpus John Thomas Howell 1960-7-19 35645 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  UC1583982  Scrophularia desertorum G. Schoolcraft 1990-6-4 2063 Plumas just north Vinton Cemetery 1524 Comment
  UC584299  Scutellaria nana G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2273 Plumas sw of Diamond Mountain (s of Susanville) 2164 Comment
  OBI30646  Sedum Bernie Smith 1966-7-25 185 Plumas Pinchard Creek Comment
  JEPS26936 Image available Sedum albomarginatum P. C. Hutchison 1961-6-9 2122 Plumas Canyon North Fork of the Feather River, along highway US Alt. 40, on serpentine cliffs above Rich Bar. Comment
  CHSC108859  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the East edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. 1925 Comment
  CAS-BOT-BC62191  Selaginella wallacei M. S. Taylor; L. Hanson 1981-3-5 3400 Plumas Pulga Quad, s side of Hwy 70, near Butte-Plumas county line 548 Comment
  CAS-BOT-BC62194  Selaginella wallacei John Thomas Howell; Gordon H. True 1967-5-9 42215 Plumas Lewisia Rock, 3.5 miles southwest of Beldon, Feather River Canyon 609 Comment
  JEPS79624  Selaginella wallacei Edward Lee 1951-10-8 1763 .9 Plumas Feather Hwy. below N. Fork Comment
  SEINET6340525  Selaginella watsonii H. N. Mozingo 1977-6-14 77 -37 Plumas 1.2 mile inside Plumas Co. border along Rt. 70. Comment
  JEPS94564  Senecio hydrophiloides Vernon H. Oswald and Lowell Ahart 1997-6-24 8625 Plumas on Diamond Mtn. Motorway (28N15) s Susanville (at the meadow at Wheeler Sheep Campground) 1993 Comment
  CAS-BOT-BC363729  Senecio hydrophilus H. E. Brown 1897-8-1 606 Plumas Near Lassen Buttes 1828 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
  UC565955  Senecio integerrimus var. exaltatus E. Sawyer 1935-5-21 11 Plumas 3.5 mi ese Beckwith Butt; Sierraville Quad. 1493 Comment
  CDA18477  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3247 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  SEINET9332215  Senecio integerrimus var. exaltatus Unknown 1982-6-15 3712 Plumas Plumas National Forest Comment
  CAS-BOT-BC364038  Senecio integerrimus var. major Gladys L. Smith 1976-6-7 4609 Plumas South end of summit ridge, secondary road from Quincy to La Porte 1920 Comment
  CHSC99822  Senecio triangularis Lowell Ahart 2008-7-16 15096 Plumas In a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  RSA59691  Senecio triangularis E. K. Balls 1950-9-9 15760 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC66749  Sericocarpus oregonensis Vernon H. Oswald; Lowell Ahart 1996-8-14 8162 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. 1706 Comment
  UC725820  Sidalcea asprella subsp. nana A. A. Heller 1938-6-14 15158 Plumas open places near Gray's Flat (on the Feather River Highway); , nr Gray's Flat 868 Comment
  UC1873586  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 Comment
  CHSC82979  Sidalcea glaucescens L. P. Janeway; B. Castro 2002-8-11 7697 Plumas Northern High Sierra Nevada. At 'Letter Box'; along Road 23N95Y 100 m south of Oroville-Quincy Hwy; ridgetop at head of Boulder Creek. 1713 Comment
  JEPS46168  Sidalcea glaucescens W. I. Follett 1936-6-29 Plumas Rich Gulch Comment
  RSA6247  Sidalcea glaucescens D. D. Keck 1932-7-3 1692 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  SBBG122785  Sidalcea glaucescens B. Ertter 1989-7-4 8680 Plumas 2.2 mi W of Jct of Hway 89 and Hwy 36, SW of Chester 1463 Comment
  UCD116648  Sidalcea glaucescens Elaine A. Ahrenholz 1962-5-5 51 Plumas 1 mile north of Greenville. 1066 Comment
  POM253291  Sidalcea malviflora subsp. asprella A. A. Heller 1938-6-14 15158 Plumas Near Gray s Flat on the Feather River Highway 869 Comment
  RSA87484  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-25 19625 Plumas Feather River Canyon, 10 miles west of junction with Highway #89. Comment
  RSA15058  Sidalcea oregana subsp. spicata Daniel Cleveland 1882-7-20 s.n. Plumas Prattville Comment
  CAS-BOT-BC174851  Silene bernardina L. P. Janeway 1992-7-10 4254 Plumas About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek 2087 Comment
  CAS-BOT-BC384318  Silene bernardina Clarence R. Quick 1953-8-8 53 -117 Plumas Along trail on brushy ridge south of Meadow Valley Comment
  UCR3553  Silene californica Wm. Horn Jr. 1963-7-14 630714- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 100 yards south of Forest Service Road 24N36, 0.5 mi west of UC Forestry Camp 1159 Comment
  CAS-BOT-BC386983  Silene douglasii Anna Head 1921-7-20 s.n. Plumas On rocky slopes near Round L. Comment
  SD46528  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas On trail near Long Lake, Lakes Basin Area, North Sierra Nevada Mountains. 1980 Comment
  SDSU4489  Silene douglasii D. F. Howe 1964-8-4 3935 Plumas Near Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CAS-BOT-BC389382  Silene lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1427 Plumas Butterfly Botanical Area and Vicinity. In vicinity of Pond reservoir 1097 Comment
  CAS-BOT-BC389388  Silene lemmonii Rimo Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC389394  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CAS-BOT-BC389401  Silene lemmonii Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC389441  Silene lemmonii Gillett; Hans Leschke 1957-7-13 s.n. Plumas Lassen Volcanic National Park. Betw. Devils Kitchen & Bench Lake Comment
  HSC24232  Silene lemmonii John Pratt 1970-6-25 40 Plumas 1707 Comment
  CAS-BOT-BC389498  Silene menziesii Mrs. Jos. Clemens 1919-10-10 s.n. Plumas Taylorsville Comment
  CHSC34856  Silene nuda M. S. Taylor 1981-7-11 4068 Plumas SW side of Lake Almanor, in meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville. 1371 Comment
  CHSC36334  Silene nuda M. S. Taylor 1982-6-28 4764 Plumas Ramelli Ranch, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth. 1487 Comment
  UC1037218  Silene nuda Leo Whitney 1934-8-23 1584 Plumas one mi e Murdock Crossing (Plumas National Forest); , e of Murdock Crossing 1920 Comment
  JEPS102939  Silene occidentalis subsp. occidentalis L. P. Janeway 2001-7-3 7259 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek 1707 Comment
  JEPS93933  Silene occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-11 9481 Plumas 3.2 mi w of Grizzly Creek Campground (w of Bucks Lake near Little Grizzly Creek parralleling the s edge of Oroville-Quincy Highway) 1645 Comment
  CHSC544  Sisymbrium altissimum E. Wager 1937-5-14 Plumas Feather River Canyon. 457 Comment
  CDA19277  Sisyrinchium bellum G. D. Barbe, T. C. Fuller 1982-6-17 3863 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  SEINET10594352  Sitanion hystrix Mary Susan Taylor 1982-8-17 Taylor 5014 A Plumas T25N R12E se1/4ne1/4 sec.28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. With Haplopappus suffruticosus. 2551 Comment
  UC1134667  Smilacina racemosa C. G. Albertus 1935-7-27 237 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle 1310 Comment
  RSA504719  Solidago californica J. T. Howell 1959-9-21 34736 Plumas Belden 701 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
  RSA184955  Solidago canadensis subsp. elongata L. S. Rose 1966-7-28 66072 Plumas Quincy 1067 Comment
  CHSC45013  Solidago elongata Lowell Ahart 1974-8-15 604 Plumas Ravine, north of the dirt road, near Zumwalt Flat, about 1 mile north of Nelson Creek, about 20 miles north-east of La Porte. 1676 Comment
  JEPS122097  Solidago elongata Lowell Ahart 2014-8-24 19746 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC365121  Solidago velutina subsp. californica E. K. Balls 1950-8-31 15524 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  RSA59120  Solidago velutina subsp. californica E. K. Balls 1950-8-31 15524 Plumas Highway 24, one mile north of Spanish Creek, just north of Quincy. 1098 Comment
  SD51225  Solidago velutina subsp. californica Darley F. Howe 1960-9-20 2984 Plumas North fork of Feather River, 41 miles from Oroville. 609 Comment
  SEINET10474011  Sonchus asper Mary Susan Taylor 1982-9-13 Taylor 5136 A Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CHSC100447  Sorbus californica Lowell Ahart 2008-9-10 15376 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC115778  Sorbus scopulina Lowell Ahart; John Deurloo 2015-8-25 20525 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  CHSC33592  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, ca. 4 mi nw of Meadow Valley. 1828 Comment
  UC1128683  Sorbus sitchensis G. T. Nordstrom 1934-7-17 233 Plumas 1 1/2 mile S & 1/2 mile E. of Bucks Mtn.; Bidwell Bar Quad. 1524 Comment
  CHSC44266  Sparganium emersum subsp. emersum Vernon Oswald 1988-7-19 3595 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In the east end of the lake. 1676 Comment
  UC1099913  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1959-8-19 1405 Plumas ca 2 mi s Greenville; Indian Valley Comment
  CHSC90293  Sparganium natans L. P. Janeway 1994-8-24 4750 Plumas Northern High Sierra Nevada. Shallow pond in South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  CHSC95023  Spergularia rubra Lowell Ahart 2006-10-23 13480 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 40 yards south of where the road ends, about 10 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC149651  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC149657  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CHSC13623  Spiraea douglasii M. S. Taylor 1974-7-3 295 Plumas Along roadside beside bog in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  RSA59234  Spiraea douglasii E. K. Balls 1950-8-31 15536 Plumas Hwy 24. 1/2 mile N of Spanish Creek. Just N of Quincy. 1098 Comment
  SD51229  Spiraea douglasii D. F. Howe 1960-9-21 Plumas 6 miles north of Greenville on #89 1219 Comment
  SEINET7707723  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  RSA52920  Spiranthes romanzoffiana R. Weatherby 1950-7-21 1480 Plumas Butterfly Lake near Quincy. 1220 Comment
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Sep 30 2013
  SEINET3892252  Spiranthes romanzoffiana D. W. McNeal 1990-8-9 3769 Plumas In the Butterfly Valley Botanical Area nw. of Quincy, Plumas Nat. For.; 0 Comment
  CAS-BOT-BC535251  Spirodela polyrhiza Fred Sommers 1976-8-12 1358 Plumas Sierra Nevada. Sierra Valley along Marble Lane 1487 Comment
  SEINET7720372  Spraguea umbellata Unknown Plumas Lassen's Peak Comment
  CDA17260  Stachys ajugoides G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16287 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC97092  Stachys ajugoides var. rigida Lowell Ahart; Josephine Guardino 2007-7-21 14386 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  CHSC73942  Stellaria crispa B. Castro; L. P. Janeway 1998-8-29 834 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake. 1661 Comment
  CAS-BOT-BC391057  Stellaria graminea John Thomas Howell 1975-6-15 51127 Plumas Quincy 1036 Comment
  JEPS113526  Stellaria longipes var. longipes Lowell Ahart, John Dittes 2007-6-17 14188 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC397723  Stellaria nitens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1956 Plumas Fern Glen 1097 Comment
  CHSC58186  Stellaria obtusa Vernon H. Oswald; Lowell Ahart 1992-6-22 5013 Plumas Lassen Volcanic National Park. Little Willow Creek between Willow Lake and the access road into Terminal Geyser. On the edge of the creek. 1676 Comment
  JEPS103593  Stellaria umbellata Lowell Ahart 2002-6-26 9757 Plumas In a meadow, on the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CAS-BOT-BC375048  Stenotus acaulis Clare B. Hardham 1970-8-9 17716 R Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC375050  Stenotus acaulis L. W. Swift 1934-5-18 116 Plumas Plumas National Forest. Sugar Loaf near Meadow View 1889 Comment
  CAS-BOT-BC375311  Stephanomeria exigua subsp. coronaria Alice Eastwood 1927-6-27 s.n. Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  CAS-BOT-BC375615  Stephanomeria lactucina Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC100327  Stephanomeria lactucina Lowell Ahart 2008-8-14 15195 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment