Search Results — 2000 specimen records retrieved (1404 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/consortium/).
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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
  UCD116965  Acer glabrum J. M. Tucker 1948-7-25 1737 Plumas at mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. 1524 Comment
  CAS-BOT-BC330977  Acer glabrum var. glabrum Anna Head 1920-7-25 s.n. Plumas Feather River Region, Lake Center Camp Comment
  CHSC100117  Acer glabrum var. torreyi L. P. Janeway; David Toren 2008-9-15 9596 Plumas Northern High Sierra Nevada. Plumas National Forest; along South Branch Middle Fork Feather River at Cascade Creek, 500 m upstream of the Road 22N95 bridge; 1.8 km northwest of Cascade. Northwest-facing bank of the creek. 1132 Comment
  JEPS48550  Acer glabrum var. torreyi J. W. Duffield 1937-5-31 Plumas se Bucks Lake (Rocky wall, third water, Bear Creek, sw Plumas County); Bear Creek, se of Bucks Lake (See Bucks Lake Quad.) Comment
  CAS-BOT-BC333226  Acer macrophyllum Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 871 Plumas On La Porte Rd., 10 km S of jct with Hwy 70. 1400 Comment
  CAS-BOT-BC333324  Acer macrophyllum John Thomas Howell 1963-6-3 39399 Plumas Sierra Nevada. Butterfly Valley Comment
  CAS-BOT-BC28734  Achillea millefolium J. T. Howell 1961-6-21 36671 Plumas Greenville 1097 Comment
  CHSC92173  Achillea millefolium Lowell Ahart; John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 Comment
  SFV11417  Achillea millefolium M. L. Vincent 1968-6-10 866 Plumas Sierra Nevada Caribou Road. 1 mile from Feather River, Highway 70. 730 Comment
  UC485804  Achillea millefolium H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD128363  Achillea millefolium M. Vincent 1968-6-10 866 Plumas Carabou Road, 1 mile from Feather River, Hwy 70. Comment
  RSA60123  Achillea millefolium var. alpicola E. K. Balls 1950-9-2 15645 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  CAS-BOT-BC210693  Achnatherum lemmonii John Thomas Howell 1975-6-16 51152 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC210694  Achnatherum lemmonii John Thomas Howell 1967-6-23 42668 Plumas Canyon of Butterfly Creek 990 Comment
  CAS-BOT-BC210696  Achnatherum lemmonii A. A. Heller; P. B. Kennedy 1907-7-3 8712 Plumas Hills above Red Clover Valley 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
  POM198336  Achnatherum lemmonii var. lemmonii H. S. Yates 1912-6-14 s.n. Plumas Portola 1524 Comment
  CAS-BOT-BC216883  Achnatherum occidentale Clare B. Hardham 1978-8-11 218012 Plumas About 5 miles SE of Thompson Peak Comment
  CAS-BOT-BC216884  Achnatherum occidentale Clare B. Hardham 1970-8-8 17701 I Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC216886  Achnatherum occidentale A. A. Beetle 1941-6-28 2898 Plumas W side of Lake Almanor 1828 Comment
  CAS-BOT-BC210848  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas Lassen Volcanic National Park. Below Sifford Lakes, along direct route to the Devils Kitchen 2057 Comment
  CDA14146  Achnatherum occidentale subsp. californicum G. F. Hrusa 1997-5-3 13836 Plumas Sierra Nevada; Occasional +- bunching perennial in dry, shrub-dominated areas near summit of hill on E side of Rattlesnake Creek, 1/2 mi. S of Hwy 70, and approx. 15 mi. E of Quincy. Comment
  RSA484121  Achnatherum occidentale subsp. occidentale A. A. Beetle 1941-6-28 2898 Plumas west side of Lake Almanor 1829 Comment
  CHSC67749  Achnatherum stillmanii James D. Jokerst 1985-6-10 2405 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC100326  Acmispon americanus var. americanus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC391473  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-7-20 35718 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC391474  Aconitum columbianum subsp. columbianum John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50633 Plumas Headwaters of Indian Creek south of Diamond Mountain 2103 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-BC412888  Aconogonon davisiae Rimo Bacigalupi 1927-7-8 1663 Plumas Ridge southwest of Long Lake 2255 Comment
  JEPS104636  Adenocaulon bicolor Lowell Ahart 2003-8-5 10470 Plumas On the e side of Hopkins Creek, on the w side of the road, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain. 1524 Comment
  RSA52870  Adenocaulon bicolor R. Weatherby 1950-7-7 1446 Plumas Gasner Creek, Quincy 1220 Comment
  SD46745  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, Quincy 1220 Comment
  CAS-BOT-BC29832  Adenocaulon bicolor George Wilson Gillett 1957-7-17 803 Plumas Lassen Volcanic National Park, upper Willow Lake Meadow, near the east inlet 1661 Comment
  CAS-BOT-BC29836  Adenocaulon bicolor Janet Jones 1980-7-14 200 Plumas Around Layman near Blarisden, Plumas National Forest 1280 Comment
  UC811186  Adiantum X tracyi Mrs. E. C. Sutliffe 1919-6-21 Plumas near Gold Lake Comment
  CHSC115744  Adiantum aleuticum L. P. Janeway 2015-8-3 11814 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. 1696 Comment
  JEPS104165  Adiantum aleuticum Lowell Ahart 2003-8-13 10504 Plumas On the south side of Hopkins Creek, ca 30 yd south of where Hopkins Creek forks, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain, ca 10 1/2 mi (air) ne of La Porte. 1524 Comment
  JEPS87886  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  JEPS95273  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC62300  Adiantum aleuticum Margaret Williams 1967-8-20 s.n. Plumas Rene's Falls on Jamison Creek, above Johnsville 1828 Comment
  RSA59333  Adiantum aleuticum E. K. Balls 1950-9-12 15784 Plumas 1.5 miles along trail from Lakes Center Public Campground to Long Lake outlet 2012 Comment
  SEINET5338312  Adiantum pedatum M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls above Johnsville on Jamison Creek. 1859 Comment
  SEINET10497801  Agastache urticifolia Mary Susan Taylor 1981-7-6 Taylor 3973 Plumas T24N R16E center sec 7. Frenchman Lake quad. Mixed Coniferous Forest, with sagebrush scrub understory; ca. 200 ft W of 24N64, on N side of Grigsby Creek (dry), ca. 13 air mi NW of Chilcoot, ca. 1 mi W of N tip of the lake; 6000 ft. 1829 Comment
  CAS-BOT-BC15456  Agoseris glauca var. glauca John Thomas Howell 1962-6-17 37701 Plumas Portola 1463 Comment
  CAS-BOT-BC29655  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1526 Plumas Butterfly Valley Botanical Area: area adjacent to pond reservoir 1097 Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CDA18451  Agoseris heterophylla G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3192 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CAS-BOT-BC22918  Agoseris heterophylla L. S. Smith 1925-4-30 1576 Plumas Bloomfield Road below forks sec 9 762 Comment
  JEPS36287  Agoseris heterophylla var. heterophylla W. L. Jepson 1918-8-2 7775 Plumas Beckwith Pass 1463 Comment
  JEPS127345  Agoseris monticola Lowell Ahart 2016-6-29 21073 Plumas Top and southwest of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC13249  Agoseris monticola Thomas H. Kearney 1944-8-14 171 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC13313  Agoseris parviflora Alice Eastwood 1927-6-27 14883 Plumas United States Forest Reserve. On road from Chilcoot. Comment
  SEINET10509794  Agropyron trichophorum Thomas J. Howell, Gordon H. True 1968-6-10 Howell 44544 Plumas Sierra Nevada, Quincy. In meadows. Comment
  CAS-BOT-BC127092  Agrostis exarata John Thomas Howell 1976-7-15 51844 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CHSC113852  Agrostis exarata Lowell Ahart 2014-8-31 19809 Plumas Around rocks in an unnamed drainage, on the west side of Black Rock Creek. about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  UC1100236  Agrostis exarata Malcolm A. Nobs and S. Galen Smith 1949-8-20 1465 Plumas on road between Milford and Beckwourth about 13 mi sw Milford Comment
  CAS-BOT-BC139601  Agrostis gigantea Fred Sommers; Greg Sommers 1976-7-20 177 Plumas Sierra Nevada. Sierra Valley Marsh along road and in fields. 1524 Comment
  CAS-BOT-BC139413  Agrostis hyemalis H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  CHSC115919  Agrostis idahoensis Sara M. Taylor; Scott Batiuk 2012-8-1 60 Plumas Plumas National Forest, Pacific Southwest Region, Forest Service. UTM zone 10, 4423723 N, 659538 E. Jack's Meadow. From Quincy head west on Bucks Lake Rd., right onto Silver Lake Rd. (24N29X). Go until 1 km south of Silver Lake, on left is drainage (Jack's Creek). Park and hike along drainage for ~700m. 1676 Comment
  SEINET10510252  Agrostis idahoensis Vernon H. Oswald, Lowell Ahart 1991-7-30 Oswald 4795 Plumas Big Springs on the W side of Humbug Valley, ca. 6 miles (air) ENE of Humbug Summit, ca. 12 miles (air S of Chester. Scattered plans along the edge of a downed log on a open patch of quaking sphagnum bog within the fenced enclosure at the springs. Comment
  CHSC73707  Agrostis pallens B. Castro; L. Gehrung 1992-8-11 596 Plumas Ca 1 air mi SSE of the Fingerboard and ca 0.5 mi NNW of Onion Valley Reservoir, immediately E of County Rd 511. 1950 Comment
  SEINET3143489  Agrostis palustris E. K. Balls 1950-9-15 15843 Plumas North Fork Feather River, 6 mi NW of Chester 1402 Comment
  CAS-BOT-BC138713  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC138714  Agrostis scabra John Thomas Howell 1960-7-18 35523 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC138716  Agrostis scabra Lowell Ahart 1980-10-6 2667 Plumas Sierra Nevada. Lake, 0.5 mile west of Fowler Peak. 1700 Comment
  RSA59339  Agrostis stolonifera E. K. Balls 1950-9-8 15704 Plumas Lakes Center Public Campground, southern 2043 Comment
  CHSC97302  Agrostis variabilis Lowell Ahart; John Dittes 2007-8-9 14438 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  JEPS113812  Agrostis variabilis Lowell Ahart, John Dittes 2007-8-9 14438 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  JEPS118395  Agrostis variabilis Lowell Ahart 2011-9-20 17689 Plumas 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
  RSA739730  Agrostis variabilis John Dittes, Josephine Guardino 2005-9-22 1295 Plumas Northern High Sierra Nevada Range, 1.1 air miles N of Taylor, 0.7 air mile E of Rattlesnake Peak, 0.3 air mile W of Eisenheimer Peak, just E of FS Route 27N57., 40Y'10'13.36N, 120Y'43'48.66W, T27N, R11E, Center of section 24, Kettle Rock 7.5' Quad, 2181 Comment
  CAS-BOT-BC459459  Allium bisceptrum Anna Head 1921-7-20 s.n. Plumas Trail head Round Lake, Feather River region Comment
  CHSC52541  Allium campanulatum L. P. Janeway 1990-6-12 3713 Plumas Plumas National Forest. Rattlesnake Creek, just N of Lang Valley; along road 508 ca. 1.1 mi N of Hwy 70/89. 1432 Comment
  RSA63112  Allium campanulatum L. S. Rose 1951-6-27 51046 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  RSA101470  Allium campanulatum R. Weatherby 1955-7-2 1569 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  RSA70444  Allium campanulatum F. W. Peirson 1926-6-21 6805 Plumas Open flat strip along shore of Lake Almanor. Comment
  SEINET3884281  Allium campanulatum D. W. McNeal 1995-7-16 4127 Plumas Just above the parking area at the Gray Eagle trailhead to Long and Smith Lakes, Plumas Nat. For.; 0 Comment
  UCD143208  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  CAS-BOT-BC474284  Allium obtusum var. obtusum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad. Lassan Nat'l Park Comment
  CDA33254  Allium platycaule G. D. Barbe 1982-6-9 3657 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  SEINET8191559  Allium platycaule A. A. Heller, P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover Valley. Comment
  CHSC46526  Allium validum Lowell Ahart 1979-8-16 2017 Plumas About 300 feet east of Ohio Ravine, east of the dirt road, about 2 1/4 miles south of Grizzly Mountain. 1676 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
  UCD130296  Allium validum Albert Grigarick 2011-8-15 297 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1886 Comment
  CHSC46644  Allophyllum integrifolium Lowell Ahart 1989-7-7 6369 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS113798  Allophyllum integrifolium Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14049 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS114527  Allophyllum integrifolium Lowell Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  POM181058  Allophyllum violaceum A. A. Heller, P. B. Kennedy 1907-7-4 8726 Plumas Ridge east of Red Clover Valley Comment
  SEINET10496948  Allophyllum violaceum Mary Susan Taylor 1982-6-11 Taylor 4639 Plumas T28N R7E nw/se sec 5. Chester quad. S side of Hwy 36, w side of Lake Almanor, ca. 0.5 mi e of Chester. 4500 ft. 1372 Comment
  CAS-BOT-BC453441  Allotropa virgata Anna Head 1921-7-29 s.n. Plumas Near Blairsden Comment
  CAS-BOT-BC171355  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1860 Plumas Butterfly Botanical Area and vicinity. Near Darlingtonia Bog 1066 Comment
  CAS-BOT-BC171357  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1450 Plumas Butterfly Botanical Area and vicinity. In bed of Butterfly Creek at confluence of Spanish Creek 1021 Comment
  CAS-BOT-BC171363  Alnus incana subsp. tenuifolia David D. Keck 1932-7-3 1652 Plumas Meadow S of Spanish Creek. Quincy. Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC171364  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake. Sierra Nevada. Feather River Watershed 2133 Comment
  CAS-BOT-BC171366  Alnus incana subsp. tenuifolia L. P. Janeway 1992-8-30 4302 Plumas McRae Meadow, upper end of East Nelson Creek. Plumas National Forest - Beckwourth District McRae Compartment 1889 Comment
  CHSC66617  Alnus incana subsp. tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. High Cascade Range. 1371 Comment
  JEPS107739  Alnus incana subsp. tenuifolia Lowell Ahart, John Dittes 2005-9-19 12380 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UC1135172  Alnus incana subsp. tenuifolia R. Roseberry 1934-11-4 4 Plumas 1/2 mi w Bungalow; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC170695  Alnus rhombifolia John Thomas Howell 1959-9-21 34744 Plumas Belden. Sierra Nevada 701 Comment
  CAS-BOT-BC170697  Alnus rhombifolia John Thomas Howell; Gordon H. True 1969-6-23 45817 Plumas on Middle Fork of Feather River at Nelson Point. Sierra Nevada 1249 Comment
  SACT002788  Alnus tenuifolia Josephine Van Ess 1975-6-3 Plumas Collected at camp just south of Cromberg of Highway 70 Comment
  UCD55868  Alopecurus aequalis John Thomas Howell 1961-9-25 36952 Plumas Feather River bed, Portola. 1478 Comment
  SEINET10507141  Alopecurus aequalis Lowell Ahart 1985-7-3 Ahart 5098 Plumas About 4 1/4 miles north-east of La Porte. Comment
  UCR64608  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas Northern Sierra Nevada Mtns., Quincy 1067 Comment
  SEINET10507148  Alopecurus geniculatus Mary Susan Taylor 1982-8-27 Taylor 5062 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  UCD20958  Amelanchier alnifolia E. Bortiri 2002-6-1 WFC 6 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Comment
  CHSC100036  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-8-14 15203 Plumas Steep north side of a good logging road (Forest Road 22N68), north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CHSC46126  Amelanchier pallida Lowell Ahart 1975-7-9 863 Plumas About 1 mile west of Pilot Peak, about 15 miles north of La Porte. 1981 Comment
  UCD112883  Amelanchier pallida Lori Best 1976-5-29 126 Plumas Plumas-Eureka Campground. Comment
  CHSC110939  Amelanchier utahensis L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  JEPS48764 Image available Amelanchier utahensis John Warren Duffield 1937-5-26 Plumas 8 mi from Quincy (on country road from Meadow Valley and Quincy, sw Plumas County) Comment
  CHSC41884  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas On the bottom of the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  CHSC37775  Anemone drummondii M. S. Taylor 1981-5-8 3660 Plumas Plumas/Greenville Rd. 1/2 mi e of Long Valley Mine, w of Greenville. 1615 Comment
  RSA0091370  Anemone lyallii Bonnie C. Templeton 1968-1 11290 Plumas [No location data on label. Possibly Trinity County.] Comment
  OBI9027  Angelica breweri Tracey Call, Viola Call 1964-6-28 2309 Plumas Near Meadow Valley 7 mi W of Quincy 1463 Comment
  SEINET13945520 Image available Angelica breweri E. K. Balls 1950-1 15790 Plumas 1.5 mi along trail from Lakes Center Public Campground to Long Lake outlet. 6600 ft 2012 Comment
  CAS-BOT-BC59305  Antennaria argentea D. E. Breedlove 1962-6-12 3463 Plumas Jackson Creek in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC59312  Antennaria argentea D. E. Breedlove 1962-6-12 3463 Plumas Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CHSC73915  Antennaria argentea B. Castro; L. Gehrung, H. Durio 1996-7-3 676 Plumas Placer Diggings site, ca 4 air mi NE of La Porte, 0.5 mi SE of the South Branch of Slate Creek, and 1.6 mi W of Howland Flat, W of Co. Rd 690. Along perennial tributary to Sacketts Gulch. 1566 Comment
  CAS-BOT-BC59316  Antennaria argentea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1854 Plumas On west side of Butterfly Valley proper 1036 Comment
  UCD128908  Antennaria argentea Matt Georgeff 1992-5-17 21 Plumas Snake Lake campground, 15 miles west of Quincy, 0.5 mile from campground. Comment
  CHSC57250  Antennaria dimorpha L. P. Janeway 1991-5-28 3970 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
  CHSC56838  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 A Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  JEPS113519  Antennaria luzuloides Lowell Ahart, John Dittes 2007-6-16 14138 Plumas On dry bare soil, 100 yards east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 120 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1125569  Antennaria luzuloides E. Sawyer 1935-6-21 131 Plumas 4.5 mi nne Crow; Sierraville Quad. 1737 Comment
  RSA123402  Antennaria luzuloides E. Sawyer 1935-6-27 210 Plumas Mouth of Dixie Valley 1555 Comment
  UCD128945  Antennaria rosea P. B. Kennedy 1907-7-3 8699 Plumas Red Clover Vlley. Comment
  SJSU15279  Antirrhinum cornutum S. Woolhouse 2009-7-28 15 Plumas Next to Caribou Road and the north fork of the Feather River Comment
  CHSC59930  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 1992-8-6 4285 Plumas Along Hwy 70, on south side of East Branch Feather River at Soda Creek; 2.8 mi east of Crystal Springs, 4.6 mi east of Grays Flat. 899 Comment
  UCD123490  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas French Bar-Caribou. Plumas National Forest. Near North Fork of Feather River. 840 Comment
  CHSC60168  Apera interrupta L. P. Janeway 1992-7-1 4244 Plumas Plumas National Forest. orth side of Middle Fork Feather River along moist drainage of Bonta Creek. 1310 Comment
  CAS-BOT-BC457542  Aphanes occidentalis J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 D. Plumas Butterfly Botanical Area and Vicinity; open flat near Pond Reservoir. 1097 Comment
  CHSC58033  Aphyllon purpureum Vernon H. Oswald; Lowell Ahart 1992-6-2 4978 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  RSA0035826  Apocynum androsaemifolium Lowell A. Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  OBI20479  Apocynum androsaemifolium Lewis S. Rose 1967-7-10 67147 Plumas 1 mi S of Keddie; Butterfly crk and Spanish crk 884 Comment
  SEINET7923486  Apocynum androsaemifolium A. A. Heller, B. B. Kennedy 1907-7-8 8766 Plumas Near Greenville Comment
  UC726453  Apocynum androsaemifolium A. A. Heller 1938-6-22 15180 Plumas along State Hwy. 36 1310 Comment
  RSA59699  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-9 15768 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  CAS-BOT-BC397877  Aquilegia formosa A. A. Heller; P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  HSC101689  Aquilegia formosa Dillon North Davis 2013-6-11 23 Plumas 3.4 miles south on FS Road 25N17 from intersection with Highway 70. 1280 Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET10448418  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4467 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  CAS-BOT-BC17353  Arabis eschscholtziana John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2446 Plumas Butterfly Botanical Area. From vicinity of mouth of Butterfly Creek. 883 Comment
  NY639723  Arabis holboellii var. pinetorum R. R. Halse 1977-5-22 1552 Plumas Along State Highway 89, 5.8 miles north of Quincy 960 Comment
  CAS-BOT-BC407771  Arceuthobium californicum Robert J. Weatherby 1955-8-2 1667 Plumas Jeep trail from Spanish Ranch to Bean Hill Diggings, Meadow Valley 1158 Comment
  JEPS123950  Arceuthobium campylopodum subsp. abietinum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC24207  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42197 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  CAS-BOT-BC38618  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51338 Plumas Injun Jim Campground, Feather River Canyon 609 Comment
  CHSC85486  Arctostaphylos nevadensis G. Douglas Barbe; T. C. Fuller 1982-6-15 3718 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  RSA201286  Arctostaphylos nevadensis J. T. Howell 1959-9-23 34876 Plumas 3 mi. south of Lassen Park boundary, on road to Chester. 1829 Comment
  SD7735  Arctostaphylos nevadensis Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer Comment
  UC335821  Arctostaphylos nevadensis unknown 1889-6-9 Plumas Gold Lake Comment
  CAS-BOT-BC42092  Arctostaphylos patula John Thomas Howell 1975-6-16 51132 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC42096  Arctostaphylos patula John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2414 Plumas Butterfly Botanical Area, Trestle Glen 1097 Comment
  CAS-BOT-BC42112  Arctostaphylos patula C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  CAS-BOT-BC42116  Arctostaphylos patula Anna Head 1921-6-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UC1121175  Arctostaphylos patula E. Sawyer 1935-6-14 112 Plumas 2 mi nne Kerby; Plumas National Forest, Sierraville Quadrangle Comment
  UCD53426  Arctostaphylos patula E. Nourse 1934-7-31 2 Plumas Plumas National Forest. 1615 Comment
  SEINET10907241  Arctostaphylos patula Mary Susan Taylor 1981-5-14 Taylor 3724 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
  CHSC55689  Arctostaphylos viscida Ben Cunningham 1991-4-20 Plumas Ca. 20 ft w of Highway 70 at Twain, 18 mi s of Greenville. 975 Comment
  CAS-BOT-BC47075  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1655 Plumas In area adjacent to Sweetwater Meadow. 1127 Comment
  CHSC91931  Arenaria aculeata L. P. Janeway 2005-7-31 8510 Plumas Northern High Sierra Nevada. Diamond Mountains, top of spur ridge 0.3 km southwest of Crystal Peak. 2308 Comment
  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
  SEINET6225252  Arenaria congesta var. suffrutescens L. S. Rose 1967-1 67172 Plumas 1 mi S of Keddle, Butterfly Creek & Spanish Creek Comment
  CAS-BOT-BC82083  Arnica W. Harnach; N. Harnach 1990-6-27 409 Plumas Sierra Valley. Ramelli Ranch (USFS), so of R/R 1554 Comment
  CAS-BOT-BC82088  Arnica M. S. Taylor 1981-6-25 3948 Plumas Ramelli Ranch, ca. 1/8 mi s of Hwy 70 ca. 1/2 mi sw of Beckwourth. Around North Fork Feather River 1493 Comment
  CHSC97583  Arnica chamissonis Lowell Ahart; John Dittes 2007-6-17 14199 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
  UCD129120  Arnica chamissonis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1396 Plumas Last Chance Marshes, ca. 2 miles north of Lake Almanor, near Chester. Comment
  CAS-BOT-BC295855  Arnica dealbata H. E. Brown 1897-8-15 672 Plumas Near Lassen Buttes 1828 Comment
  UC84127  Arnica dealbata T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC295857  Arnica dealbata Ella Dales Cantelow 1941-7-20 3514 Plumas 10 mi. s. of Quincy on rd. to La Porte 1981 Comment
  CHSC102706  Arnica nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16161 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CAS-BOT-BC90057  Arnica nevadensis Thos. H. Harris 1969-6-15 s.n. Plumas East side of Lake Almanor 1524 Comment
  JEPS95004  Arrhenatherum elatius Vernon Oswald and Lowell Ahart 1997-9-18 8882 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Forest Road 26N25 at Soda Ravine 1249 Comment
  SEINET12728678 Image available Artemisia arbuscula subsp. thermopola Noah Siegel 2016-1 2016 -020 Plumas Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake, Plumas National Forest. 2190 Comment
  CHSC113868  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -A Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Resrvoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS102859  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 A Plumas Old road that crossed Indian Creek, ca 50 yards east of the RR tracks, where railroad has a bumper to start the signal lights on Arlington Road, ca 400 yards S of Arlington Rd, 50 yards east of Highway 89, ca 1 1/2 miles S of Crescent Mills. 1066 Comment
  JEPS122091  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -B 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
  UC710418  Artemisia douglasiana Thomas H. Kearney Aug 14 1944-Aug 26 1944 165 Plumas near Prattville; Lake Almanor Comment
  JEPS102589  Artemisia dracunculus Lowell Ahart 2001-10-8 9316 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1524 Comment
  CAS-BOT-BC93477  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34970 Plumas Sierra Nevada - Beckworth 1487 Comment
  RSA59460  Artemisia tridentata subsp. tridentata E. K. Balls 1950-9-2 15650 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  UC1119450  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-7-20 215 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  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
  SEINET252472  Artemisia tridentata subsp. wyomingensis L. M. Shultz, Heather Garrison 2006-8-3 20319 Plumas Between Quicy and Reno, ca. 2 miles west of Vinton on south-facing slope. 1513 Comment
  UC1123519  Asclepias cordifolia D. Axelrod 1934-6-9 27 Plumas 2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  SEINET3158546  Asclepias fascicularis E. K. Balls 1950-9-14 15798 Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  UC57241  Asclepias speciosa H. M. Hall and E. B. Babcock July, 1903 4425 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  UC1875011  Aspidotis californica Ruth Kirkpatrick 2005-7-19 1361 Plumas W of Johnsville Museum. 1630 Comment
  JEPS28598  Aspidotis densa George W. Gillett 1957-7-13 763 Plumas below Sifford Lakes (on direct route to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  JEPS95308  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC97472  Aster Fred Sommers 1976-1 234 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  CAS-BOT-BC97464  Aster W. Harnach; N. Harnach 1990-6-13 369 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC97476  Aster Clare B. Hardham 1978-8-12 21817 Plumas West of Baley Pass 2072 Comment
  RSA726330  Aster breweri L. Ahart, John Dittes 2007-8-9 14445 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 air miles northwest of the north end of Lake Davis 2552 Comment
  SEINET10475336  Aster breweri Mary Susan Taylor 1981-7-17 Taylor 4032 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  CHSC66693  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 B Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  RSA60033  Aster integrifolius E. K. Balls 1950-9-1 15588 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  SEINET10839230  Aster integrifolius Mary Susan Taylor 1982-9-8 Taylor 5119 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  RSA121800  Aster occidentalis G. T. Nordstrom 1934-7-16 223 Plumas 1.25 miles southwest of Bucks Ranch 1616 Comment
  SEINET13709330  Aster occidentalis Lowell William Ahart, Lowell William Ahart 2001-1 9241 Plumas W Side of Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  UCD104873  Astragalus lemmonii Collector unknown 1954-10-20 s.n. Plumas Border of Sierra County line. Comment
  CHSC97590  Astragalus lentiformis Lowell Ahart; John Dittes 2007-6-16 14123 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET5325465  Astragalus lentiformis W. Harnach, N. Harnach 1999-5-30 878 Plumas Gold Mtn. Development on Co Rd A-15 W of Portola, California Comment
  SEINET5325512  Astragalus lentiginosus var. floribundus W. Harnach, N. Harnach 2002-5-14 1063 Plumas 0.8 miles west of the intersection of Hwy 49 and Dyson Lane. 1494 Comment
  CHSC118064  Astragalus pulsiferae var. pulsiferae R. Ondricek-Fallscheer 1999-6-13 192 Plumas About 5 air mi NNW of Chilcoot and 2 air mi SSE of Frenchman Lake; ca. 900 ft. from the recently relocated water tank on the hillside across Frenchman Lake Road from Chilcoot Campground. 1645 Comment
  CAS-BOT-BC192952  Astragalus purshii var. purshii W. I. Follett; Evelyn B. Follett 1964-5-9 s.n. Plumas Middle Fork of the Feather River, 1/2 mile below Mohawk Bridge 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
  UC1042341  Astragalus purshii var. tinctus Lewis S. Rose 1954-5-30 54075 A Plumas Beckwourth Beckwourth (desert slopes) 1524 Comment
  CAS-BOT-BC193049  Astragalus purshii var. tinctus M. S. Taylor 1982-5-14 4445 Plumas Above Portola, ca. 2 air mi sw of Portola 1584 Comment
  JEPS109612  Astragalus webberi Dean W. Taylor 2002-6-20 18166 Plumas China Grade ca. 1 road mile S of Taylorsville 1219 Comment
  SEINET10452239  Astragalus webberi Mary Susan Taylor 1981-5-8 Taylor 3661 Plumas T26N R9E sw sec 25. Greenville quad. N side of Hwy 89, ca. 1/4 mi S of turnoff to Taylorsville, ca. 1 mi S of Crescent Mills. 3600 ft. 1097 Comment
  UC574530  Astragalus webberi Mrs. Pulsifer Ames Plumas Indian and Sierra Valley ne part Sierra Nevada, Indian and Sierra Valley (northeastern part of the Sierra Nevada) Comment
  HSC101680  Asyneuma prenanthoides Dillon North Davis 2013-7-1 40 Plumas 9.5 miles south on FS Road 25N17 from intersection with Highway 70. Comment
  CAS-BOT-BC66008  Athyrium filix-femina M. S. Taylor 1982-8-9 4949 Plumas Almanor NE quad. Jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam 1645 Comment
  RSA0035343  Athyrium filix-femina subsp. cyclosorum Lowell Ahart 2012-9-5 18432 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1889 Comment
  CAS-BOT-BC69503  Athyrium filix-femina var. californicum Lowell Ahart 1986-9-10 5394 Plumas On the bottom of the S. Fork of the Feather River, about 3/4 mi. e. of the Feather Fork Mine, about 9 mi. ne. of La 1706 Comment
  CAS-BOT-BC66095  Athyrium filix-femina var. cyclosorum Mrs. C. C. Bruce 1899-10-1 s.n. Plumas Butterfly Valley Comment
  CHSC34938  Athyrium filix-femina var. cyclosorum M. S. Taylor 1981-8-19 4222 Plumas S side of 23N10, 0.3 mi e of Peoria Creek, ca. 2.5 mi w of Sloat. 1341 Comment
  JEPS117726  Athyrium filix-femina var. cyclosorum Lowell Ahart 2010-10-21 17311 Plumas On the south side of a small wash, about 100 yards north of Fowler Lake, along the trail (poor road), about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) 1662 Comment
  SEINET5338586  Athyrium filix-femina var. cyclosorum M. J. Williams 1967-8-20 1195 Plumas Above Johnsville, near Rene's Falls 1829 Comment
  UCD114244  Athysanus pusillus B. Pitzer; S. Morgan and H. Soldan 1988-5-29 957 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy. 89. 1828 Comment
  CAS-BOT-BC66253  Azolla mexicana Robert J. Weatherby 1950-7-28 1484 Plumas at edge of Indian Creek, on road to Taylorsville 1066 Comment
  JEPS89882  Azolla microphylla Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13220 Plumas at bridge of Hwy. 207 ca. 1.3 mi. w. <Cresent> Mills (Indian Creek); Freather R. Watershed, Indian Creek 1112 Comment
  CAS-BOT-BC100040  Balsamorhiza deltoidea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1952 Plumas Fern Glen 1097 Comment
  CDA18704  Balsamorhiza deltoidea G. D. Barbe, T. C. Fuller 1982-6-15 3707 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CAS-BOT-BC100037  Balsamorhiza deltoidea Alice Eastwood 1927-6-14 14570 Plumas United States Forest Reserve, Forest Lodge Greenville Comment
  UCD129524  Balsamorhiza deltoidea Elaine A. Ahrenholz 1962-4-18 35 Plumas 1 mile north of Greenville. Comment
  UC579644  Balsamorhiza sagittata E. Sawyer 1935-5-21 2 Plumas 3/4 mi sw of Beckwith 1493 Comment
  CAS-BOT-BC16559  Barbarea orthoceras Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1873 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Valley proper. Comment
  CHSC89533  Barbarea orthoceras G. D. Barbe; T. C. Fuller 1982-6-17 3868 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of north arm of the lake. 1706 Comment
  CAS-BOT-BC145813  Beckmannia syzigachne John Thomas Howell 1961-9-23 36848 Plumas Sierra Nevada. Indian Valley. 1082 Comment
  CAS-BOT-BC145814  Beckmannia syzigachne John Thomas Howell 1961-9-25 36938 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  JEPS109965  Betula glandulosa Dean W. Taylor 2005-8-1 19449 Plumas Big Springs, Humbug Valley 1310 Comment
  CHSC36875  Bidens cernua M. S. Taylor 1982-8-23 5037 Plumas Between dirt road and S side of North Fork Feather River, ca 1/4 mi W of Twain. 853 Comment
  CAS-BOT-BC413050  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CHSC1341  Bistorta bistortoides 1932-5-28 Plumas Near Chester. Comment
  SEINET4176591  Bistorta bistortoides A. A. Heller, P. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC17212  Boechera horizontalis Lowell Ahart 1986-7-8 5356 Plumas Sierra Nevada. Ca. 1 mile northwest of Pilot Peak, ca. 14 miles northeast of La Porte. 1950 Comment
  CAS-BOT-BC14081  Boechera pauciflora John Thomas Howell 1960-7-19 35637 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  SEINET4339632  Boechera peirsonii C. D. Bailey 2009-7-21 291 -C. D Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Southeastern side of Mt. Elwell. 2083 Comment
  CHSC63450  Boechera pinetorum Lowell Ahart 1994-7-22 7493 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  JEPS106218  Boechera pinetorum Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10995 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CHSC118666  Boechera pinetorum Wendy L. Boes 2015-5-20 2015015 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. 1160 Comment
  CAS-BOT-BC14703  Boechera rectissima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2428 Plumas Butterfly Botanical Area and Vicinity. Collected in vicinty of mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25584  Boechera retrofracta Alice Eastwood 1927-6-13 14545 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  JEPS102850  Boechera retrofracta Lowell Ahart 2001-7-17 8932 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC25880  Boechera subpinnatifida John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2440 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25936  Boechera suffrutescens M. S. Taylor 1982-8-5 4927 A Plumas Mount Hough Summit, ca. 7 miles north northeast of Quincy. 2194 Comment
  NY144279  Botrychium californicum R. M. Austin 07 1897 s.n. Plumas In Sierra Nevada mountains near Quincy Comment
  SD9247  Botrychium multifidum Mrs. R. M. Austin Jul 1876 Plumas Fern Dell Comment
  UCD136804  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 379 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1723 Comment
  JEPS103254  Botrychium simplex Lowell Ahart 2002-9-8 9934 Plumas 4 air mi NW of La Porte; ; about 200 yards north of Lumpkin Ridge Road, about 3/4 mi (air) NE of Little Grass Valley Reservoir dam 1634 Comment
  CHSC82549  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9873 Plumas In a meadow, near a pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  CHSC82552  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas Meadow, about 100 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  CHSC83012  Botrychium simplex var. compositum Lowell Ahart 2002-9-8 9934 Plumas In a meadow, near a small pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  CHSC81774  Brasenia schreberi Lowell Ahart 2001-10-16 9387 Plumas Round Valley Reservoir, plants collected near north shore and west of the dam, just below the road, about 2 1/2 miles southwest of Greenville. 1365 Comment
  SJSU4760  Brasenia schreberi C. W. Sharsmith 1969-6-19 7599 B Plumas Pond Reservoir [not Smith L--see annot], Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  CHSC20812  Brassica K. R. Stern 1975-7-24 5849 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC127710  Brickellia greenei John Thomas Howell 1974-9-20 50888 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CAS-BOT-BC484591  Brodiaea purdyi Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Rnager Station, USFS, Quincy 1066 Comment
  CAS-BOT-BC149322  Bromus carinatus var. carinatus Clare B. Hardham 1975-8-2 20475 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  CHSC84954  Bromus carinatus var. carinatus Lowell Ahart 2003-10-26 10682 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  CAS-BOT-BC148711  Bromus carinatus var. marginatus John Thomas Howell 1975-7-22 51369 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  UCD59197  Bromus carinatus var. marginatus L. S. Smith 1916-7-21 716 Plumas Sierras. Sardin Lookout Station. 2286 Comment
  CHSC88194  Bromus ciliatus Lowell Ahart 2004-7-27 11314 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  UCD58461  Bromus commutatus John Thomas Howell 1961-6-21 36666 Plumas Sierra Nevada. Greenville. 1097 Comment
  UCD58476  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Plumas Canyon. Butterfly Creek. 975 Comment
  CAS-BOT-BC155799  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy. 1036 Comment
  CHSC55633  Bromus inermis subsp. inermis K. R. Stern 1986-6-25 8301 Plumas Vicinity of Blairsden. 1402 Comment
  RSA726451  Bromus inermis subsp. inermis L. Ahart, John Dittes 2007-6-17 14190 Plumas 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. 1655 Comment
  JEPS102748  Bromus orcuttianus Lowell Ahart 2001-7-23 8998 Plumas Along the edge of the dirt road, near sign of stagecoach robbery, about 1/2 mile north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC161654  Bromus secalinus Lewis S. Rose 1968-6-10 68087 Plumas Quincy. 1036 Comment
  CAS-BOT-BC185649  Bromus tectorum John Thomas Howell 1977-6-20 52411 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CHSC24268  Bromus tectorum K. R. Stern 1975-7-24 Plumas SE side of Lake Almanor. Comment
  CHSC21328  Calamagrostis canadensis F. T. Griggs; A. Pass 1975-8-1 281 Plumas Lower Buck's Lake. Comment
  SDSU9750  Calandrinia ciliata R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, CA. Comment
  SEINET9097602  Calandrinia ciliata var. menziesii W. Harnach, N. Harnach 1991-6-21 555 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to railroad bridge E of County Road A-23. 1487 Comment
  SEINET13710344  Callitriche hermaphroditica Lowell William Ahart, Lowell William Ahart 2001-1 9281 Plumas In Water of Freeman Creek, Lake Davis (T24N, R13E, sec 30, NE 1/4) 5780 Ft. 1762 Comment
  CHSC102108  Callitriche verna Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16213 Plumas In shallow water of a small pond, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  RSA52886  Callitriche verna R. Weatherby 1950-9-1 1527 Plumas Above Hellgramite Pond near Long Lake. Lakes Basin Area. 2226 Comment
  CHSC67322  Calocedrus decurrens James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2567 Plumas Top of Red Mtn. Above Rich Gulch Rd., N of Hwy. 70. Comment
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May 4 2012
  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
  JEPS104252 Image available Calocedrus decurrens Lowell Ahart 2003-10-15 10636 Plumas On the e side of Forest Rd 22N94E, ca 50 yd south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1583 Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  HSC101684  Calochortus leichtlinii Dillon North Davis 2013-6-10 13 Plumas 9.8 miles south on FS Road 25N17 from intersection with Highway 70. Comment
  JEPS85845  Calochortus leichtlinii Barbara Ertter with Gary Schoolcraft 1989-7-3 8660 Plumas ca. 8 airmiles s. Susanville (ridge between Red Rock & Diamond Mt.) 2225 Comment
  CAS-BOT-BC490275  Calochortus leichtlinii Lowell Ahart 1979-7-18 s.n. Plumas 1 mi W of Pilot Pk., S of Onion Valley Re. 1800 Comment
  CAS-BOT-BC491837  Calochortus leichtlinii Clarence R. Quick 1952-6-29 52 -70 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  CDA18569  Calochortus leichtlinii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3336 Plumas Sierra Nevada; 0.5 mile southeast of bridge crossing Indian Creek; 0.1 mile norhtwest of junction with road to Antelope Lake Dam. 1600 Comment
  CAS-BOT-BC493418  Calochortus nudus A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UC303963  Calycadenia truncata Mary E. Pulsifier Ames 1894-7-1 Plumas Taylorsville, near Iron Mine Indian Valley Comment
  RSA303533  Calycanthus occidentalis J. R. Shevock 1972-5-19 1788 Plumas Feather River Cyn. 610 Comment
  UC569878  Calyptridium umbellatum D. Axelrod 1934-6-9 18 Plumas 2 1/4 mi nw of Lexington Hill 1767 Comment
  CAS-BOT-BC221246  Calystegia malacophylla subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1066 Comment
  CHSC21294  Calystegia occidentalis subsp. occidentalis F. T. Griggs; A. Pass 1975-7-8 106 Plumas Buck's Lake Forest Service Survey Comment
  CHSC9708  Calystegia occidentalis subsp. occidentalis Nancy Mosman 1971-7-11 75 Plumas Along e side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC573259  Calystegia occidentalis var. tomentella C. G. Albertus 1935-7-20 208 Plumas 1 1/2 mi sw Lava Peak; Downieville Quad., sw of Lava Peak 1310 Comment
  RSA0115174  Camassia quamash subsp. breviflora Lyman Benson 1949-6-21 13737 Plumas Meadow 1 mile west of LakeAlmanor Inn. Mt. Range: Cascade. 1341 Comment
  RSA641884  Camassia quamash subsp. breviflora Michael A. Vincent 1999-6-8 8546 Plumas Red Clover Valley, along FS RT 70, 0.5 mile N of FS 177/CA111 Comment
  UCD138369  Camassia quamash subsp. breviflora Leslie Goldberg 1992-5-17 8 Plumas Portola, field along Grizzly Road. 1828 Comment
  UCD138392  Camassia quamash subsp. breviflora Dr. Stuart Date Unknown 2156 Plumas Barngrover Ranch. Comment
  CAS-BOT-BC160842  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18415 Plumas State Highway 49 2.4 miles west-northeast of Sierraville Comment
  RSA186588  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18415 Plumas Hwy 49, 2.4 miles WNW of Sierraville Comment
  POM38107  Camissonia tanacetifolia subsp. tanacetifolia C. C. Bruce 1898-05 2418 Plumas Clear Creek Comment
  JEPS11845  Campanula prenanthoides John Thomas Howell 1926-7-31 2178 Plumas near Prattville 1463 Comment
  SEINET10462864  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas GREENVILLE Comment
  CAS-BOT-BC37225  Cardamine bellidifolia Wayne D. Dakan 1969-6-20 s.n. Plumas Sierra Nevada. Taylor Lake. Comment
  CHSC77204  Cardamine breweri G. Schoolcraft 1997-8-5 2632 Plumas Rock Creek. 1746 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS106056  Cardamine breweri var. breweri Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11065 Plumas On the margins of a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  CAS-BOT-BC37822  Cardamine nuttallii M. S. Taylor 1982-6-1 4580 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC37826  Cardamine nuttallii Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1865 Plumas Butterfly Botanical Area and Vicinity. West of Pond Reservoir. 1066 Comment
  CHSC36217  Cardamine nuttallii var. covilleana M. S. Taylor 1982-6-1 4580 Plumas Between spur rd and 27N92, nw of Goldstrip Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC24662  Cardamine pachystigma Keith Lickey 1976-4-17 73 Plumas Chips Creek, Pacific Crest Trail, ca 4 km nw of Hwy 70. 1219 Comment
  CHSC71138  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas East side of ravine draining East Branch North Fork Feather River at Rich Bar; above Hwy 70. Almost to the edge of the creeklet. 792 Comment
  JEPS96800  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15944 Plumas Feather River Canyon; along Highway 70 near Rock Creek dam; Plumas National Forest 579 Comment
  CAS-BOT-BC38094  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC18354  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54339 Plumas Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road. 1341 Comment
  CHSC108109  Carex abrupta Lowell Ahart 2011-9-20 17686 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CAS-BOT-BC17834  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at junction of road 26N17Y and Pliocene Creek, ca. 1 mile northwest of Rattlesnake Hill. 1645 Comment
  CHSC108116  Carex angustata Lowell Ahart 2011-9-20 17694 Plumas On the east side of East Branch Creek, on the east side of Quincy La Porte road, about 1 3/4 miles (air) soouth of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS117604  Carex angustata Lowell Ahart 2010-9-9 17143 Plumas Large colony around and under fir trees, on the east side 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
  SEINET7549685 Image available Carex angustata L. P. Janeway 2003-7-19 7906 Plumas High Cascade Range. At eastern end of Willow Lake along the small stream channel draining the lake. Mt Harkness 7.5' quad. 1655 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
  CHSC118787  Carex angustata Chelsea Morgan 2015-6-4 2015 -008 Plumas Plumas National Forest. On ridge west of North Fork Feather River, west of Forst Service road 26N25, 1/2 mile north of junciton with 25N26. (UTM 650854 E, 4436951 N, NAD83 Zone 10N). 1460 Comment
  CHSC20767  Carex athrostachya K. R. Stern 1975-7-23 5868 Plumas nw shore of Lake Almanor. 1371 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
  UC1100432  Carex athrostachya Malcolm A. Nobs, S. Galen Smith 1949-8-18 1381 Plumas just S of Chester (Lake Almanor, N end, Last Chance Marshes) Comment
  SEINET10585099  Carex athrostachya David Castaner 1984-5-28 Castaner 8059 Plumas Almanor, Along highway 89. Comment
  POM81342  Carex aurea Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CDA33024  Carex aurea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3324 Plumas 2.8 miles north-northeast of the Engle Mine town-site on the Diamond Mountain Road, between the road and Lights Creek. Comment
  JEPS113811  Carex bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14457 Plumas About 10 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
  CHSC53566  Carex brainerdii L. P. Janeway; Gary Benson, Randy Harrison 1984-9-25 1175 Plumas SW side of Humbug Valley near Miller Ravine. 1341 Comment
  SEINET7552659 Image available Carex brainerdii Clarence R. Quick 1955-6-21 55 -33 Plumas Near S. E. end of Lake Almanor Comment
  JEPS87736  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
  CAS-BOT-BC20591  Carex douglasii Alice Eastwood 1918-5-25 6998 Plumas Portola. Comment
  UC570209  Carex douglasii E. Sawyer 1935-7-12 286 Plumas 3 1/2 mi e Beckwith Butte; Sierraville Quadrangle 1493 Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  UC1133354  Carex filifolia var. erostrata E. Sawyer 1935-6-21 130 Plumas 1 3/4 mi ne Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC20766  Carex fracta K. R. Stern 1975-7-23 5869 Plumas nw shore of Lake Almanor. 1371 Comment
  CHSC94145  Carex fracta Lowell Ahart 2006-7-3 12902 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, about 1/4 mile north of Lumpkin Ridge Road, near the southwest edge of a dry open basalt flat with scattered trees. 1527 Comment
  SEINET7559363 Image available Carex fracta L. P. Janeway 2003-7-19 7909 Plumas Reading Peak 7.5' quad. High Cascade Range. At the end-of-the-roead trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  CAS-BOT-BC22284  Carex hassei Mrs. H. C. Cantelow 1938-7-4 2270 Plumas North side of Hot Spring Creek. Drakesbad. Comment
  CAS-BOT-BC21971  Carex heteroneura John Thomas Howell 1960-7-20 35714 Plumas Drakesbad. 1828 Comment
  JEPS119927  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas About 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  CHSC55556  Carex heteroneura var. heteroneura L. P. Janeway 1990-6-27 3733 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC28077  Carex hoodii John Thomas Howell 1960-7-17 35499 Plumas Near springy place, Drakesbad 1828 Comment
  CHSC55557  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/2 mi south of Little Grizzly Cr. At an old logging landing and dirt road opening. 1859 Comment
  CHSC92302  Carex jonesii Lowell Ahart; Josephine Guardino 2005-8-10 12323 Plumas Bog in small wet meadow, a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS102673  Carex jonesii Lowell Ahart 2001-7-23 9000 Plumas Meadow, on the south side of a poor logging road, start of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC74008  Carex laeviculmis B. Castro; L. Gehrung, H. Durio 1996-7-3 672 Plumas Placer Diggings site, ca 4 air mi NE of La Porte, 0.5 mi SE of the South Branch of Slate Creek, and 1.6 mi W of Howland Flat, W of Co. Rd 690. Along perennial tributary to Sacketts Gulch. 1569 Comment
  CHSC118717  Carex lasiocarpa Wendy Boes 2014-8-6 2014020 Plumas Wetland above Gray Eagle Lodge, Lakes Basin, Plumas National Forest. UTM 700074 E, 4399690 N, NAD83, Zone 10N. 2109 Comment
  CDA17263  Carex lemmonii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16290 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  RSA201365  Carex lemmonii J. T. Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 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
  UCR261233  Carex multicaulis Peter F. Zika 2012-5-15 25866 Plumas Northern Sierra Nevada Range, highlands, above Route 70, 3 air km northwest of Grizzly Dome, canyon of North Fork Feather River 520 Comment
  SEINET7568462 Image available Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas Meadow Valley quad, 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek, north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CAS-BOT-BC32229  Carex multicostata Thomas H. Kearney 1944-8-14 25 Plumas Near Prattville, Lake Almanor Comment
  CDA13390  Carex multicostata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13239 Plumas Sierra Nevada; below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC102643  Carex nebrascensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16139 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
  CHSC47344  Carex nebrascensis L. P. Janeway 1989-6-16 3340 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  CHSC52548  Carex nebrascensis L. P. Janeway 1989-6-29 3408 Plumas Plumas National Forest. Near head of Mapes Cyn; along the Beckwourth-Genesee Rd (rd 111) 4.9 mi N of Beckwourth. Small drying shady seep at Pappases Camp. 1767 Comment
  CHSC77034  Carex nebrascensis G. Douglas Barbe; T. C. Fuller 1982-6-17 3860 Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; marshy seep area at the shore of N arm of the lake. Comment
  CAS-BOT-BC119859  Carex nebrascensis Catherine McWilliams 1971-9-1 531 Plumas Near a small lake in Mohawk Valley, off the Johnsonville road. 1341 Comment
  CAS-BOT-BC119862  Carex nebrascensis L. P. Janeway 1991-8-4 4127 Plumas Grizzly Valley quad. Meadow along Rd 111 (Beckwourth-Genesee Rd), 1691 Comment
  CHSC116389  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-12 70 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  CAS-BOT-BC119521  Carex nudata John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2170 Plumas Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC118131  Carex rossii John Thomas Howell 1960-7-22 35890 Plumas Drakesbad 1828 Comment
  CHSC96330  Carex rossii L. P. Janeway; B. Castro 2006-9-9 8878 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  UCSB63734  Carex scabriuscula Jokerst, James; Schlising, R.; Ahart, Lowell 1985-8-12 Plumas Hwy. 70, Serpentine Canyon, 1.6 mi. SW of its junction with Rich Gulch Rd.: T25N R7E, probably Sect. 13 Comment
  CHSC47352  Carex scopulorum var. bracteosa L. P. Janeway 1984-9-1 1142 Plumas Along creek near Mud Lake. 2164 Comment
  JEPS105627  Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area 2115 Comment
  SEINET3144236  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas E of Long Lake 2103 Comment
  SEINET7574995 Image available Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. In cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2115 Comment
  UC1552734  Carex senta Frederica Bowcutt 1985-6-6 569 Plumas ca. 15 air mi. n.e. Quincy (s.w. of Babcock Peak ca. 3 air mi., along Last Chance Creek); Last Chance Creek Comment
  CAS-BOT-BC117523  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines, 1341 Comment
  CAS-BOT-BC117524  Carex sheldonii D. H. Esplin; R. K. Gierisch 1968-10-3 6 Plumas Crocker guard station horse pasture. 1737 Comment
  CHSC89208  Carex sheldonii G. Blosser 2004-8-15 7 Plumas High Sierra Nevada Range. Middle Fork Feather River: between river and railroad tracks 1/2 mile north of Mohawk. 1330 Comment
  JEPS113708  Carex sheldonii Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14464 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  CHSC47340  Carex simulata L. P. Janeway 1989-6-15 3317 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
  CHSC76355  Carex specifica L. P. Janeway 1999-7-17 6510 Plumas Gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CAS-BOT-BC115998  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54371 Plumas 0.75 mi NE of Bucks Summit on road to Quincy. 1600 Comment
  CDA17814  Carex subfusca G. D. Barbe, J. T. Howell (54237 at CAS) & T. C. Fuller 1981-6-24 3224 Plumas Rhinehart Meadow at 1.0 mile S of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). 1676 Comment
  CHSC61684  Carex subfusca L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4490 Plumas Plumas National Forest. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  CHSC97078  Carex subfusca Lowell Ahart; Josephine Guardino 2007-7-21 14356 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
  JEPS107615  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS110429  Carex subfusca Lowell Ahart 2006-7-9 12923 Plumas Small seep in a small open area in brush, about 10 yards N of the paved basalt road, about 3 3/4 miles (air) NW of Tamarack Flat, about 5 3/4 miles (air) NW of Little Grass Valley Reservoir. 1678 Comment
  UCD108020  Carex subfusca Tim Kuhn 2006-6-23 66 Plumas near Bagley Pass. Comment
  UCD141171  Carex subfusca Lewis S. Rose 1968-6-10 68085 Plumas Quincy. 1036 Comment
  CAS-BOT-BC115989  Carex subfusca D. A. McMillan 1914-6-20 13 Plumas Long Valley 1524 Comment
  SEINET10750062  Carex subfusca Lewis S. Rose 1968-6-10 Rose 68085 Plumas Ouincy. 1036 Comment
  SEINET10750063  Carex subfusca David Castaner 1984-5-28 Castaner 8055 Plumas 1.8 miles west of Greenhorn Creek. Along Highway 70. Comment
  CHSC57141  Carex utriculata L. P. Janeway 1991-8-4 4128 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Geness Road) 1.1 mi west of road to Bagley Pass; 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  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
  HSC93422  Carex utriculata Vernon H. Oswald, L. Ahart 1996-7-15 8055 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  SJSU13950  Carex vesicaria N. A. Hopkins 1985-8-27 1318 Plumas Grass Lake 1786 Comment
  CAS-BOT-BC115152  Carex vesicaria Lowell Ahart 1980-10-6 2661 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  SEINET10466857  Carex vesicaria Mary Susan Taylor 1982-9-8 Taylor 5109 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET13371284  Carex vesicaria A. A. Heller, P. B. Kennedy 1907-7-9 8818 Plumas Prattville Comment
  RSA0035324  Carex vesicaria var. vesicaria Lowell A. Ahart 2010-10-21 17313 Plumas East side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  CDA13407  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13256 Plumas Sierra Nevada; Near upper ridge above headwaters of Bull Run Creek off USFS 23N12E. Comment
  JEPS105654  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-BC249008  Castilleja John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54220 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy 1584 Comment
  CHSC75540  Castilleja applegatei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3201 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC249732  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-31 5082 Plumas Summit of Kettle Rock Lookout, just s of Taylor Lake, ca. 6 air mi ne of Taylorsville 2383 Comment
  JEPS81465  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-5 4935 Plumas just below Mt. Hough (areas around Crystal Lake, ca 7 air nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  SD7018  Castilleja exserta subsp. exserta Mrs. R. M. Austin 1880-1 Plumas Plumas Co. 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
  CHSC21668  Castilleja miniata D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS49075  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  SEINET14062774  Castilleja miniata A. A. Heller, P. B. Kennedy 1907-7-5 8736 Plumas Red Clover Valley. Comment
  CAS-BOT-BC241038  Castilleja pilosa A. A. Heller; P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley Comment
  CHSC37290  Castilleja pilosa M. S. Taylor 1982-5-28 4558 Plumas Squaw Valley at jct of 26N70 and 28N01, ca. 16 mi s of Milford. 1706 Comment
  CHSC110285  Castilleja tenuis B. Castro; L. P. Janeway 2006-6-4 1553 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  UC1071261  Ceanothus R. D. Roseberry 1934-11-10 14 Plumas 1 mi sw Mt. Jackson; Plumas National Forest, Downieville Quad. Comment
  CDA13392  Ceanothus X lorenzenii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13241 Plumas Sierra Nevada; Side of access road along Bull Run Creek off USFS 23N12E. Comment
  RSA121654  Ceanothus X lorenzenii E. Sawyer 1935-7-8 273 Plumas 4.25 miles N of Hawks, Sierraville. 1799 Comment
  CHSC91674  Ceanothus arcuatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3706 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
  CHSC93930  Ceanothus arcuatus C. L. Schmidt 1988-6-25 1218 Plumas Red Hill just below summit, 7.5 miles from US 70 up Rush Creek Road, ca. 9.4 miles SW of Paxton on US 70. 1880 Comment
  CAS-BOT-BC47866  Ceanothus cordulatus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC48609  Ceanothus cordulatus John Thomas Howell; Gordon H. True 1969-6-23 45814 Plumas Open meadow 2 miles north of Nelson Point on road to Quincy 1310 Comment
  JEPS42347  Ceanothus cordulatus W. L. Jepson 1910-6-5 4065 Plumas Warner Valley 1524 Comment
  SEINET3840870  Ceanothus cuneatus var. cuneatus G. Douglas Barbe, Thomas C. Fuller 1982-6-15 3721 Plumas Plumas National Forest, 0.25 miles below and north-northeast of Red Hill Summit 1850 Comment
  CAS-BOT-BC50734  Ceanothus integerrimus John Thomas Howell 1975-7-22 51376 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  UC338184  Ceanothus lemmonii Lemmon 1874-1 Plumas near Quincy (Thompson's Ranch) Comment
  CAS-BOT-BC52061  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak Comment
  CAS-BOT-BC63365  Ceanothus prostratus Saichi Kawahara 1968-5-5 409 Plumas Highway 89, 3 mi. se. of Highway 36. 1402 Comment
  RSA122354  Ceanothus prostratus E. Sawyer 1935-5-21 15 Plumas 2 miles E of Beckwith Butte. 1677 Comment
  RSA515722  Ceanothus prostratus B. Pitzer 1988-5-29 950 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  UC338504  Ceanothus prostratus J. G. Lemmon Plumas Mohawk Valley Comment
  RSA59109  Ceanothus prostratus var. occidentalis E. K. Balls 1950-8-30 15514 Plumas 0.5 mile west of Feather River Experiment Station, (4 miles N. of Quincy). 1067 Comment
  UC1075641  Ceanothus velutinus var. velutinus Robert J. Weatherby 1950-8-11 1515 Plumas Peak of Mountain Elwell Lakes Basin Area, Northern Sierra Nevadas 2377 Comment
  CDA43438  Centaurea diffusa Willo Vieira 2015-7-28 PDR# 320 P06131498 Plumas Near Greenville, Highway 89 mile marker 22.91. 0 Comment
  CAS-BOT-BC277045  Centaurea maculosa John Thomas Howell 1959-9-24 34923 Plumas Indian Creek Canyon near Indian Falls Comment
  CHSC65325  Centaurea stoebe subsp. micranthos Lowell Ahart 1995-10-1 7642 Plumas In gutter, about 150 yards south of where the road crosses the South Fork of the Feather River, north east of the Feather Fork Mine, about 6 (air) miles north-east of La Porte. 1706 Comment
  SEINET5343604 Image available Centaurea virgata var. squarrosa M. J. Williams 1974-8-5 74 -P-2 Plumas Near Chilcoot 1524 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
  CAS-BOT-BC384929  Cerastium arvense Gladys L. Smith 1976-5-18 s.n. Plumas Between Storrie and Belden, Rte. 70, Feather River Canyon 609 Comment
  CAS-BOT-BC388188  Cerastium fontanum Alice Eastwood 1927-6-18 14692 Plumas United States Forest Reserve. Greenville Comment
  UCD98007  Cerastium fontanum subsp. vulgare V. A. Hart 1932-9-1 s.n. Plumas Greenville. Comment
  HSC18575  Cercocarpus ledifolius W. R. Rogers 1966-7-6 214 Plumas 1982 Comment
  RSA59450  Cercocarpus ledifolius E. K. Balls 1950-9-2 15659 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  SEINET10474160  Chaenactis douglasii Mary Susan Taylor 1982-6-28 Taylor 4763 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
  POM183494  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-09 s.n. Plumas Sierra Valley Comment
  RSA71067  Chaenactis douglasii var. douglasii L. S. Rose 1951-6-24 51069 Plumas 9 mi. east of Quincy. 1220 Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  CHSC103153  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2009-9-7 16381 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113904  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-8-24 19757 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC165972  Chamerion angustifolium Janet Jones 1980-7-14 202 Plumas By roadsides and trails around Layman near Blairsden, Plumas National Forest 1280 Comment
  CHSC33736  Chimaphila menziesii M. S. Taylor; M. Foster 1981-7-14 4015 Plumas Saddle at head of Bullfrog Ravine, both sides of rd 26N18. 1645 Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  UC1075731  Chimaphila menziesii Robert J. Weatherby 1955-7-21 1646 Plumas Bottle Springs near Middle Fork Feather R.; Bottle Springs 1615 Comment
  UC1120941  Chimaphila menziesii G. T. Nordstrom 1934-7-9 191 Plumas 1 mi. n.w. Mt. Ararat (Plot 94); Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  UC354484  Chimaphila menziesii David D. Keck 1928-6-15 453 Plumas Meadow Valley 1219 Comment
  CAS-BOT-BC451422  Chimaphila menziesii Alice Eastwood 1927-6-21 14485 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  CHSC33737  Chimaphila umbellata M. S. Taylor; M. Foster 1981-7-14 4014 Plumas Saddle at head of Bullfrog Ravine, both sides of 26N18. Ca. 3 air mi nw of Indian Falls. 1645 Comment
  JEPS87859  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  RSA262457  Chimaphila umbellata subsp. occidentalis James I. Mallory 1969-8-21 356 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte, Plumas National Forest. 1524 Comment
  CHSC23623  Chrysanthemum coronarium K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  UC1135255  Chrysolepis sempervirens E. Sawyer 1935-5-28 50 Plumas 3.75 mi n Hawks; Plumas National Forest, Sierraville Quad. 1767 Comment
  POM124123  Chrysothamnus parryi subsp. nevadensis I. M. Johnston 1919-9-2 2183 Plumas Keddie, open bench about the W. Pac. Station 982 Comment
  RSA60129  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1220 Comment
  CAS-BOT-BC100828  Chrysothamnus viscidiflorus subsp. viscidiflorus M. S. Taylor 1980-10-8 3364 Plumas ca. 1/4 mi se of its jct with [Beckworth] Beckwourth-Genesee Rd, ca. 10 mi e of Taylorsville Comment
  CHSC59681  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1992-8-10 4288 Plumas Plumas National Forest. Northeast side of Dotta Canyon ca 1 mi northwest of Dotta Neck. 1712 Comment
  SBBG115945  Chylismia claviformis J. McCaskill 1960-1 465 Plumas Lake Almanor region Comment
  JEPS28638  Cicuta douglasii George W. Gillett 1957-7-18 835 Plumas Lassen Volcanic National Park, at north end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  UC185111  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  UC403968  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  CHSC63487  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas On the sides of a stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS116104  Circaea alpina subsp. pacifica Lowell Ahart, John Dittes 2009-7-28 16197 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  UC1075738  Circaea alpina subsp. pacifica Robert J. Weatherby 1955-7-21 1654 Plumas Middle Fork Feather R., Bear Creek, 4th. Water 1554 Comment
  CAS-BOT-BC289624  Cirsium andersonii Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC289626  Cirsium andersonii W. R. Dudley August (rest of date obscured by ink on label) s.n. Plumas Hot Springs, Sierra Valley Comment
  CDA1030  Cirsium andersonii T. C. Fuller 1959-7-6 2768 Plumas E shore Lake Almanor, 1 mi. N of Canyondam. 0 Comment
  CHSC102150  Cirsium arvense Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16242 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS125974  Cirsium cymosum var. canovirens D. W. Taylor 2001-6-20 17805 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  SD8767  Cirsium douglasii var. breweri Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  SEINET11841729  Cirsium douglasii var. canescens W. Knight, Knight, I. 1983-1 4938 Plumas near Drakesbad Ranger Station, Lassen Volcanic National Park 1646 Comment
  CAS-BOT-BC285539  Cirsium occidentale var. candidissimum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54205 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC286445  Cirsium scariosum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54333 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CAS-BOT-BC286447  Cirsium scariosum John Thomas Howell 1955-7-19 30825 Plumas Mohawk 1371 Comment
  OBI70535  Cirsium scariosum var. americanum B. Villegas 1999-7-8 Control 990111 Plumas Crystal Point, Frenchman's Lake, 13 mi NE of Chilcoot and hwy 70 Comment
  UC1119181  Cirsium scariosum var. americanum E. Sawyer 1935-9-27 206 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC228912  Cistanthe umbellata Clare B. Hardham 1970-8-9 17704 C Plumas Thompson Peak, ca. 23 miles northeast of Greenville 2346 Comment
  CAS-BOT-BC163282  Clarkia mildrediae subsp. mildrediae A. A. Heller 1940-6-5 15708 Plumas Along State Highway #24, near Buck's Creek power house Comment
  CHSC101488  Clarkia mildrediae subsp. mildrediae Samantha Mackey Hillaire 2008-6-17 1257 Plumas Transmission line openings and roadcuts in lower montane coniferous forest (brushy and grassy area). Between T24N, R06E, Tract 37, NW1/4 of NW1/4 and S03, SE1/4 of SW1/4. Elevation 2200-2400 feet. 701 Comment
  UC127442  Clarkia purpurea subsp. quadrivulnera A. A. Heller with P. B. Kennedy 1907-7-12 8827 Plumas between Taylorville and Crescent Mills Comment
  CAS-BOT-BC164924  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CAS-BOT-BC164926  Clarkia rhomboidea Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  HSC101679  Clarkia rhomboidea Dillon North Davis 2013-5-28 8 Plumas 4.1 miles south on FS Road 25N17 from intersection with Highway 70, ~ 400 m northwest of hairpin turn. 1520 Comment
  CAS-BOT-BC164923  Clarkia rhomboidea R. W. Thorp 1963-7-2 63 -51 Plumas 23 miles southeast of Quincy Comment
  SD133956  Clarkia stellata Barbara Ertter, Gary Schoolcraft 1989-7-3 8638 Plumas road to Lone Rock & Red Rock on south side of Diamond Mountain circa 10 airmiles south of Susanville, near Morton Creek crossing, dry roadbank in forest; 1829 Comment
  CHSC72454  Clarkia unguiculata L. P. Janeway 1998-7-1 5693 Plumas East side of North Fork Feather River and Hwy 70, 0.4 mi south of Tobin. West-facing slope above the road. 579 Comment
  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
  CHSC33629  Claytonia lanceolata M. S. Taylor; G. Rotta 1981-6-18 3936 Plumas Snow ponds, se side of Mt Ingalls, ca. 1/4 mi s of rd 25N39, near headwaters of Coldwater Creek, ca. 14 air mi n of Blairsden. 2225 Comment
  CHSC4926  Claytonia lanceolata M. S. Taylor 1981-4-30 3577 Plumas In plantation, ca. 1/2 mi n of 22N818, ca. 1 mi e of Big Peak and 4 mi w of Little Grass Valley Reservoir. 1706 Comment
  SD8154  Claytonia palustris Mrs. R. M. Austin 1877-1 Plumas American Valley; Mill Creek Comment
  CDA23954  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-2 4974 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  RSA101474  Claytonia rubra R. Weatherby 1955-7-2 1591 Plumas Wilcox Valley. 1768 Comment
  SEINET10572734  Claytonia rubra Mary Susan Taylor 1982-5-6 Taylor 4408 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  JEPS87647  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  CAS-BOT-BC443796  Claytonia rubra subsp. rubra John Thomas Howell 1960-7-18 35575 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC76070  Collinsia parviflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3253 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 miles northwest of China Grade Road (to Taylorsville). 1798 Comment
  JEPS115864  Collinsia parviflora Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15888 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  UC138743  Collinsia parviflora Mrs. R. M. Austin 1880-1 Plumas Plumas County Comment
  CHSC87626  Collinsia rattanii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10956 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  CHSC93188  Collinsia rattanii L. P. Janeway 1994-5-24 4651 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  UCSB18475  Collinsia torreyi Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CHSC82507  Collinsia torreyi var. torreyi Lowell Ahart 2002-6-26 9769 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  UC1238980  Collinsia torreyi var. torreyi Freed W. Hoffman 1946-6-12 748 Plumas between Mohawk and Calpine 1524 Comment
  CHSC64121  Collomia grandiflora B. Castro; R. A. Schlising 1987-7-21 171 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  CHSC66633  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1996-7-15 8031 Plumas High Cascade Range. E side of arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the lake. 1371 Comment
  SEINET10869743  Collomia grandiflora Mary Susan Taylor 1981-7-6 Taylor 3977 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  JEPS113433  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
  JEPS96114  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-7-15 8036 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, , Last Chance Marsh 1371 Comment
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 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
  JEPS123948  Comarum palustre Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20425 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  SEINET12326108  Comarum palustre W. Knight, Knight, I. 1983-1 4925 Plumas on road between Chester & Drakesbad in Warner Valley 1570 Comment
  SEINET7135415  Convolvulus polymorphus W. Harnach, N. Harnach 1990-6-19 407 Plumas Sierra Valley, Sugarloaf Road, at the junction of the road to Dotta neck and Sugarloaf 1676 Comment
  JEPS122241  Conyza canadensis Lowell Ahart 2014-9-9 19835 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC286169  Conyza canadensis L. P. Janeway 1992-11-18 4325 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y) 1761 Comment
  JEPS48642  Corallorhiza maculata Esther C. Fritz 1933-7-27 Plumas Spanish Peak; s slope 2103 Comment
  RSA101417  Corallorhiza maculata R. Weatherby 1955-6-16 1532 Plumas Near Mountain House, above Meadow Valley Mill 1372 Comment
  RSA101457  Corallorhiza maculata R. Weatherby 1955-7-2 1581 Plumas Fir woods above Wilcox Valley 1921 Comment
  RSA101511  Corallorhiza maculata R. Weatherby 1955-7-4 1594 Plumas Across Rock Creek, 0.5 mile below Deane Valley, near Meadow Valley 1341 Comment
  SD52103  Corallorhiza maculata Frank Stephens 1894-7-1 10017 Plumas Greenville. Comment
  CHSC63476  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS48455  Cordylanthus tenuis subsp. tenuis Lewis S. Rose 1966-7-26 66047 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  SEINET10832350  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-8-25 Taylor 4240 Plumas California: T25N R7E se1/4 of se1/4 sec 3. Almanor SW quad. Serpentine knoll, just off spur road off Red Hill Road (26N22F), ca. 1 air mi NE of the Lookout, ca. 5 air mi NE of Belden. Plumas County. 5800 ft. 1768 Comment
  SEINET10548993  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1982-9-8 Taylor 5117 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET10548995  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-7-18 Taylor 4055 Plumas T26N R7E sw/se sec 33, Almanor SW quad. On serpentine, N side of Caribou Rd, ca. 4 mi NE of its jct with Hwy 70 near Belden. 2700 ft elev. 823 Comment
  CHSC77062  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1996-8-9 5064 Plumas At eastern end of Red Mountain, about 2 mi south of Haskins Valley; on west side of Road 18 at junction with Road 23N69. 1792 Comment
  CHSC76033  Coreopsis grandiflora G. F. Hrusa 1996-8-22 13532 Plumas Northern Sierra Nevada. Roadside along Squirrel Creek on USFS road leading to Argentine Rock. Approx. 1 mi. NE of Hwy 70, and approx. 7 mi. E of Quincy. 1360 Comment
  CAS-BOT-BC209426  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC209438  Cornus nuttallii Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  RSA397452  Cornus nuttallii Robert Gustafson 1984-5-15 2945 Plumas Butterfly Botanical area, ca. 7 miles northwest of Quincy, west of Hwy. 89. 1037 Comment
  JEPS48510  Cornus nuttallii E. C. Fritz 1933-6-28 Plumas aboE. C. Fritzut Camp Califorest near Meadow Valley 1188 Comment
  CAS-BOT-BC210305  Cornus sericea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2415 Plumas Butterfly Botanical Area. Fern Glen Comment
  CAS-BOT-BC210307  Cornus sericea Alice Rosenberg 1917-7-1 s.n. Plumas Feather River Comment
  RSA60801  Cornus stolonifera I. L. Wiggins 1948-9-15 12057 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  RSA500442  Corydalis caseana Vernon H. Oswald, W. Dempsey 1989-8-24 3969 Plumas Big Springs in Humbug Valley, ca. 13 miles (air) south of Chester Comment
  SD8286  Corydalis caseana Daniel Cleveland Jul 1882 Plumas Pratteville Comment
  CHSC21308  Corydalis caseana subsp. caseana F. T. Griggs; A. Pass 1975-7-8 107 Plumas Buck's Lake. Comment
  RSA7880  Crepis intermedia H. A. Barker 1927-7-1 755 Plumas Blairsden 1372 Comment
  UC346561  Crepis intermedia E. B. Babcock 1928-6-15 156 Plumas Feather River Inn golf course; near hwy Comment
  CAS-BOT-BC291577  Crepis modocensis subsp. modocensis Gladys L. Smith 1976-6-7 4564 Plumas Balsamorhiza Flat 20 miles east of Quincy along Route 70, Sierra Nevada 1524 Comment
  UC1118016  Crepis modocensis subsp. subacaulis E. Sawyer 1935-6-27 195 Plumas 4 mi s Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC291591  Crepis modocensis subsp. subacaulis Anna Head 1921-6-15 s.n. Plumas Lake Independence, Feather River Region 2133 Comment
  CAS-BOT-BC376528  Crepis monticola John Thomas Howell 1962-6-17 37666 Plumas Butterfly Valley 1036 Comment
  JEPS126589  Crepis monticola Lowell Ahart 2016-6-29 21065 Plumas Top and east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC476321  Crepis occidentalis Mrs. L. W. Swift June, 1931 3033 Plumas Last Chance Creek Plumas National Forest (across road from Humphrey's Canyon) Comment
  UC346565  Crepis occidentalis E. B. Babcock 1928-6-14 153 Plumas Gray Eagle Resort; near rd. 1/8 mi below camp Comment
  JEPS126596  Crepis occidentalis subsp. occidentalis Lowell Ahart 2016-6-29 21066 Plumas Top and northwest of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA169419  Crepis occidentalis subsp. pumila L. S. Rose 1963-6-4 63128 Plumas Sierra Valley, 2 miles south of Beckwourth 1463 Comment
  CHSC91766  Crepis pleurocarpa G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16335 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC290858  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-6 2188 Plumas 2 mi. east of Meadow Valley on road to Quincy 1150 Comment
  SEINET10474589  Crepis pleurocarpa Mary Susan Taylor 1982-8-5 Taylor 4931 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  UC353953  Crepis pleurocarpa E. B. Babcock 1928-7-1 184 Plumas Miss Jenkins' cabin Meadow Valley, Fritillaria Gulch Comment
  CHSC34334  Crypsis vaginiflora L. Ahart 1981-9-6 3100 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the hct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC96849  Cryptantha affinis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14007 Plumas Around trees, 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
  SEINET8518892  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-9 8777 Plumas Prattville. Comment
  CDA18482  Cryptantha affinis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3235 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CHSC43472  Cryptantha intermedia Lowell Ahart 1979-7-18 1990 Plumas Along the road to Cleghorn Bar, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  CHSC80808  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UCD107937  Cryptantha simulans Tim Kuhn 2006-6-13 52 Plumas south of Frenchman Lake. Comment
  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
  CHSC41893  Cryptantha torreyana Lowell Ahart 1986-7-25 5372 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  SEINET10870093  Cryptantha torreyana Mary Susan Taylor 1982-9-8 Taylor 5116 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET6225025  Cryptantha torreyana L. S. Rose 1967-1 67157 Plumas 9.0 mi NE of Quincy Jct Comment
  JEPS107685  Cryptogramma acrostichoides Lowell Ahart, John Dittes 2005-9-19 12373 Plumas Large rock outcrop, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CAS-BOT-BC70461  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 Comment
  UC1093684  Cryptogramma acrostichoides Herbert L. Mason 1926-7-12 2894 Plumas Mt Elwell Comment
  CAS-BOT-BC80529  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1 1/2 mi. W. of Wheeler Peak Comment
  RSA176211  Cupressus bakeri C. R. Quick, Wilcox 1962-10-1 62 -1 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  CHSC73726  Cymopterus terebinthinus var. californicus B. Castro 1997-6-9 729 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  CHSC87833  Cynoglossum occidentale Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11002 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  SD6709  Cynoglossum occidentale Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10497517  Cynoglossum occidentale Mary Susan Taylor 1982-6-2 Taylor 4591 Plumas T23N R12E se/se sec 19. Johnsville quad. W side of spur rd, 0.3 mi n of its jct to 23N49, ca. 0.5 air mi se of Jackson Campround, ca. 5 air mi n of Mohawk. 5000 ft. 1524 Comment
  CHSC81167  Cyperus squarrosus Lowell Ahart 2001-8-29 9249 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102578  Cyperus squarrosus Lowell Ahart 2001-10-8 9306 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  UCD141099  Cyperus squarrosus E. K. Balls 1950-9-14 15814 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC133732  Cypripedium californicum M. S. Taylor 1982-6-14 4668 Plumas Field redacted by CAS, contact the data manager for more information 853 Comment
  SD7404  Cypripedium fasciculatum Mrs. R. M. Austin 1881-1 Plumas Big Meadows. Comment
  UC116922  Cypripedium montanum Mrs. R. M. Austin July, 1874 197 Plumas Butterfly Valley Comment
  UC4447  Cypripedium montanum Mrs. R. M. Austin July, 1874 Plumas Comment
  CAS-BOT-BC70670  Cystopteris fragilis John Thomas Howell; Gordon H. True 1969-6-23 45831 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CHSC33624  Cystopteris fragilis M. S. Taylor; M. Foster 1981-6-2 3826 Plumas S side of Hwy 70, ca. 100 ft upslope (w) of RR tracks, ca. 200 yds s of Spring Garden Overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CHSC97183  Cystopteris fragilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14017 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CAS-BOT-BC70673  Cystopteris fragilis John Thomas Howell 1962-6-16 37638 Plumas Lewisia Rock, Feather River North Fork 640 Comment
  CAS-BOT-BC70678  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Near Johnsville Comment
  SBBG30564  Damasonium californicum D. Myrick 1968-6-19 1953 Plumas Hwy 89 W of Lake Almanor 1371 Comment
  CHSC32029  Danthonia californica var. americana L. Ahart 1979-7-18 1996 Plumas Meadow, above the road and e of Finger Board Mt, ca. 2 mi nw of Pilot Peak, ca. 12 mi n of La Porte. 1828 Comment
  UCD60723  Danthonia californica var. americana R. Tofsrud 1948-7-23 Plumas 1.5 mi N of Quincy off Hwy 24-89. Comment
  RSA236756  Darlingtonia californica Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42350 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat'l Forest; near Darlingtonia Bog. 1174 Comment
  RSA236757  Darlingtonia californica Larry E. DeBuhr, Gary D. Wallace 1972-5-21 595 Plumas Plumas Nat'l Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  SBBG30523  Darlingtonia californica D. Myrick 1968-6-18 1933 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  UCD119071  Darlingtonia californica Barry Rice 2010-6-10 BR 100601 Plumas South of Butterfly Valley. Comment
  SEINET6647404  Darlingtonia californica D. A. Charlet, T. Charlet 1996-7-11 2293 Plumas Sierra Nevada, Butterfly Valley Botanical Area, Plumas National Forest 1195 Comment
  UCD102618  Darmera peltata Dean Dubbe 1974-5-18 14 3 Plumas Butterfly Valley, west of Hwy 89, 6 miles north northwest of Quincy. 1097 Comment
  SEINET5337985  Delphinium decorum L. Miller 1934-1 s.n. Plumas Near Portola, CA. Comment
  CAS-BOT-BC8914  Delphinium depauperatum Anna Head 1920-7-1 s.n. Plumas Near Gold Lake, Feather River Region 1981 Comment
  CHSC100724  Delphinium depauperatum L. P. Janeway; B. Castro 2008-6-8 9403 Plumas Northern High Sierra Nevada. About 170 m west of Crocker Creek, on west side of Beckwourth-Genesee Road 1.5 km north of Crocker Guard Station. 1713 Comment
  RSA0091379  Delphinium depauperatum Bonnie C. Templeton 1968-1 11300 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA71316  Delphinium gracilentum L. S. Rose 1951-6-28 51026 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  UC176192  Delphinium nudicaule A. A. Heller 1913-6-13 10836 Plumas near Marston Station 1066 Comment
  CAS-BOT-BC9854  Delphinium nudicaule Elmer Ivan Applegate 1934-5-3 8902 Plumas Near and south of Mohawk Comment
  SEINET5338036  Delphinium nudicaule P. A. Lehenbauer 1937-5-30 s.n. Plumas On Feather River 60 miles from Reno Near Feather River Inn. Comment
  CAS-BOT-BC116118  Delphinium nuttallianum A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC21345  Delphinium nuttallianum F. T. Griggs; A. Pass 1975-7-7 88 Plumas Gold and Silver Lakes. Comment
  UC1125921  Delphinium nuttallianum E. Sawyer 1935-5-23 47 Plumas 3 1/2 mi n Hawks; Sierraville Quadrangle Comment
  UC1126053  Delphinium nuttallianum A. Lewis 1934-6-12 474 Plumas 4 1/2 mi sw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle, Moorevile Ri Comment
  SEINET5338054  Delphinium nuttallianum A. A. Heller, P. B. Kennedy 1907-7-3 8702 Plumas Hills above Red Clover Valley. Comment
  CHSC32835  Delphinium patens W. Michael Foster 1981-4-26 12 Plumas Ca. 70 ft se of confluence of Bucks creek and the North Fork of the Feather River, ca. 24 mi w of Quincy. 579 Comment
  POM180943  Deschampsia cespitosa A. A. Heller, P. B. Kennedy 1907-7-9 s.n. Plumas Prattville Comment
  UCD61113  Deschampsia cespitosa A. A. Heller; P. B. Kennedy 1907-7-9 8790 Plumas Pratville. Comment
  UCD61137  Deschampsia cespitosa G. L. Stebbins Jr. 1939-7-7 2912 Plumas 1/2 mile north of Quincy. Comment
  CHSC91656  Deschampsia danthonioides G. D. Barbe; T. C. Fuller 1982-6-17 3848 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  UCD61397  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor. 1828 Comment
  CDA13965  Deschampsia elongata G. F. Hrusa 1996-8-2 13427 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny site, on moist to wet springline trib. of Squirrel Creek. Perennial, bunching. Uncommon here. Comment
  CHSC79878  Deschampsia elongata G. F. Hrusa; B. Smith 1996-7-15 13222 Plumas Northern California, Sierra Nevada, Plumas National Forest. E side of Sloat Rd. at inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  SEINET10508570  Deschampsia elongata Lowell Ahart 1985-7-3 Ahart 5100 Plumas About 4 1/4 miles north-east of La Porte. Comment
  JEPS87600  Descurainia incana Lowell Ahart 1994-7-7 7451 Plumas about 0.75 air mi se Pilot Peak (on n side of Pacific Crest Trail, on Bunker Hill Ridge, Plumas County and Sierra County); Bunker Hill Ridge 2011 Comment
  JEPS106041  Descurainia incisa subsp. incisa Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11164 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
  RSA699780  Descurainia incisa subsp. incisa L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11164 Plumas About 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2140 Comment
  POM186832  Descurainia sophia D. D. Keck 1664 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  SEINET10907338  Descurainia sophia Mary Susan Taylor 1982-9-7 Taylor 5102 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  UCSB46178  Dicentra formosa Reisentz, Paul 1979-5-12 Plumas Injun Jim Campground, 5.7 miles south of Beldon on Highway 70 Comment
  CHSC23372  Dicentra pauciflora Lowell Ahart 1975-7-9 Plumas At the edge of small stream. One mile south of Pilot Peak in Section 8, ten miles north of La Porte. 1981 Comment
  SEINET10839078  Dicentra uniflora Lowell Ahart, Peter Ahart 1983-6-28 Ahart 4169 Plumas On the high banks of the South Fork of the Feather River, a little sw of the Feather Frok Mine, ca. 1.5 mi ne of Little Grass Valley Reserv., ca. 5.5 mi n of La Porte. Red Fir Forest. 1750 Comment
  CAS-BOT-BC209229  Dichanthelium acuminatum subsp. acuminatum David D. Keck 1932-7-3 1671 Plumas Along fence in meadow, along the road to Lake Almanor, Quincy - Northern Sierra Nevada 1066 Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  SEINET241787 Image available Dichanthelium acuminatum var. fasciculatum Beecher Crampton 1964-8-25 7157 c Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  CHSC97261  Dieteria canescens var. shastensis Lowell Ahart; John Dittes 2007-8-9 14446 Plumas On the north side of the poor dirt road, about 400 yards southwest of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  SJSU14464  Diplacus mephiticus N. A. Hopkins 1990-7-1 1623 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genesee Rd 1706 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CHSC21082  Disporum hookeri F. T. Griggs; A. Pass 1975-7-2 51 Plumas Buck's Lake Forest Service Survey. Comment
  UC336520  Disporum hookeri unknown Plumas Indian Valley Comment
  RSA0091942  Dodecatheon Bonnie C. Templeton 1968-1 11298 Plumas [No location data on label. Possibly Trinity County.] 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
  CHSC21290  Dodecatheon alpinum F. T. Griggs; A. Pass 1975-7-17 206 Plumas Buck;s Lake Forest Survey. Comment
  RSA101433  Dodecatheon alpinum R. Weatherby 1955-6-26 1561 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  POM181051  Downingia bacigalupii A. A. Heller, P. B. Kennedy 1907-7-2 8677 Plumas Between Vinton and Beckwith. [Beckwourth] Comment
  POM284987  Downingia bacigalupii H. P. Bracelin 1932-7-25 695 Plumas 7 miles S of Chester. 1524 Comment
  SD87811  Downingia bacigalupii Frank W. Peirson 1926-6-21 6802 Plumas Near Lake Almanor. Comment
  SD62432  Downingia bicornuta var. bicornuta John H. Weiler, L. Constance, E. Moleseed 1960-6-12 60153 Plumas Beside State highway 89, 2.5 miles northwest of Lake Almanor Public Camp. Comment
  CDA24829  Draba verna J. Budaj 1969-4-9 Plumas In horse paddock areas, county fairgrounds, Quincy. 0 Comment
  CHSC37029  Draba verna var. verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather River s side, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  SD7206  Draperia systyla R. M. Austin 1879-1 Plumas Big Meadows Comment
  UCD105968  Draperia systyla Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 320 Comment
  UCR115325  Draperia systyla G. D. Barbe, T. C. Fuller 1982-7-15 3745 Plumas Sierra Nevada Mtns, Plumas National Forest. 3.4 mi NE of jct with road to Red Hill 1524 Comment
  CHSC44252  Drosera anglica Vernon Oswald 1988-7-19 3606 Plumas Willow Lake located se of Drakesbad just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UCD99506  Drosera anglica Barry Rice 2004-8-24 BR 040804 Plumas at Willow Lake. Comment
  CHSC66622  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8050 Plumas Last Chance Marsh at N end of Lake Almanor, just S ... Field redacted by CHSC, contact the data manager for more information 1371 Comment
  CAS-BOT-BC401589  Drosera rotundifolia J. G. Lemmon No date on label s.n. Plumas Butterfly Val [Valley] Comment
  HSC93420  Drosera rotundifolia Vernon H. Oswald, L. Ahart 1996-7-15 8050 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  JEPS34396  Drosera rotundifolia Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8872 Plumas in hanging bog above and nw Butterfly Valley (ca 1.5 mi w of Keddie) 1158 Comment
  CAS-BOT-BC159673  Drymocallis glandulosa Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1968-6-11 2374 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley - Sierra Nevada Comment
  CAS-BOT-BC159676  Drymocallis glandulosa J. D. Schoeller 1928-7-16 380 Plumas Mt. Hough 1/2 mi. W Crystal Lake - Plumas National Forest Comment
  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-BC534967  Drymocallis glandulosa var. reflexa Thomas H. Kearney 1944-8-14 68 Plumas Near Pratville, Lake Almanor Comment
  RSA232879  Drymocallis glandulosa var. reflexa L. S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly Creek and Spanish Creek, near Keddie. 976 Comment
  JEPS114358  Drymocallis hansenii Lowell Ahart 2008-7-16 15088 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  JEPS120539  Drymocallis lactea var. austiniae L. P. Janeway 2013-6-2 11130 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain; along Road 23N69, 1.0 road km west of Road 18. Comment
  CAS-BOT-BC159301  Drymocallis lactea var. lactea A. A. Heller 1913-6-13 10863 Plumas Near Quincy 1066 Comment
  CHSC54537  Dulichium arundinaceum V. Oswald; S. Mitchelson, C. Livingston 1991-8-21 4839 Plumas Lassen Volcanic Park. Little Willow Lake located on the south edge the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CHSC36508  Dysphania botrys L. Ahart 1981-9-6 3075 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mill. 1200 Comment
  CHSC112616  Elatine rubella Lowell Ahart 2013-9-11 19023 W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC113706  Eleocharis acicularis Lowell Ahart 1985-9-26 5185 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  CAS-BOT-BC113704  Eleocharis acicularis Lowell Ahart 1980-10-6 2668 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  SEINET11750455  Eleocharis acicularis L. Ahart, Ahart, P. 1985-1 5185 Plumas Little Grass Valley Reservoir, where South Fork Feather River flows in lake ca 4.25 mi NE of LaPorte 1585 Comment
  CAS-BOT-BC113513  Eleocharis bella John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2147 Plumas Pond reservoir. 1127 Comment
  CHSC102751  Eleocharis bella Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16153 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC55451  Eleocharis bella L. P. Janeway 1989-7-25 3523 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CHSC82149  Eleocharis bella L. P. Janeway 2001-7-25 7389 B 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
  CAS-BOT-BC113476  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville. 1097 Comment
  CHSC82152  Eleocharis coloradoensis L. P. Janeway 2001-7-25 7389 A 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
  JEPS102596  Eleocharis engelmannii Lowell Ahart 2001-10-16 9376 Plumas On the north side of a bank and a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  SEINET199877  Eleocharis engelmannii Malcolm A. Nobs, S. Galen Smith 1949-8-18 1356 Plumas At the south end of Lake Almanor. Comment
  CAS-BOT-BC112916  Eleocharis macrostachya Alice J. Rosenberg 1917-7-20 s.n. Plumas Blairsden Comment
  CAS-BOT-BC112913  Eleocharis macrostachya Malcom A. Nobs; Gordon H. True 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  CAS-BOT-BC112914  Eleocharis macrostachya Lowell Ahart 1980-10-6 2680 Plumas About 1 mile south of La Porte Comment
  UC1028653  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin area Comment
  CAS-BOT-BC112081  Eleocharis quinqueflora Clarence Roy Quick 1945-7-20 45 -61 Plumas USFD fenced pasture, Deanes Valley, SE of Meadow Valley. Comment
  CHSC54498  Eleocharis suksdorfiana Vernon H. Oswald; Lowell Ahart 1991-7-30 4793 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  RSA550619  Elodea nuttallii G. Sommers 1976-6-29 135 Plumas Sierra Valley Marsh, from channel crossed by metal bridge on Dyson Lane. 1524 Comment
  CAS-BOT-BC451511  Elodea nuttallii C. Etienne 1969-7-26 294 Plumas Off Middle Fork of Feather River; Hiway 89 near Graeagle next to Feather River Park Resort entrance. 1280 Comment
  SEINET10863864  Elymus William E. Harmon 1969-8-18 Harmon 1562 Plumas Roadcut in open pine forest. 2 mi NE of Blairsden. Comment
  CAS-BOT-BC227594  Elymus elymoides W. Harnach; N. Harnach 1990-6-27 418 Plumas Sierra Valley. Ramelli Ranch (USFS), so of R/R 1524 Comment
  CAS-BOT-BC227596  Elymus elymoides John Thomas Howell 1955-7-19 30780 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC227605  Elymus elymoides John Thomas Howell 1926-7-24 2105 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC227607  Elymus elymoides Clare B. Hardham 1978-8-11 21764 Plumas About 5 mile southeast of Thompson Peak Comment
  CHSC97530  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2007-6-16 14143 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC61622  Elymus elymoides subsp. elymoides Frank B. Cayot 1911-6-27 Plumas Plumas National Forest. Grizzly Valley. 1584 Comment
  SBBG553  Elymus glaucus A. A. Beetle 1941-6-28 2903 Plumas St Hwy 36, 10 mi W of Chester 1524 Comment
  CAS-BOT-BC206501  Elymus glaucus subsp. glaucus Clare B. Hardham 1978-8-11 21765 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  JEPS127333  Elymus multisetus Lowell Ahart 2016-7-9 21094 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC97081  Elymus trachycaulus subsp. subsecundus Lowell Ahart; Josephine Guardino 2007-7-20 14314 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  CAS-BOT-BC81883  Ephedra viridis L. S. Smith 1927-5-30 2064 Plumas Tahoe Forest, Sierra Valley 1828 Comment
  CHSC70332  Epilobium brachycarpum R. A. Schlising 1981-8-2 4180 Plumas Just N of Butte County line at Humboldt Peak, in basin draining into Scotts John Creek. 2011 Comment
  CHSC97173  Epilobium brachycarpum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14012 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC99834  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 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 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  JEPS113781  Epilobium brachycarpum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14012 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA60796  Epilobium brachycarpum I. L. Wiggins 1948-9-15 12051 Plumas Ridge between canyons of Onion Creek and Middle Fork of Feather River Comment
  CAS-BOT-BC171718  Epilobium canum subsp. latifolium Mrs. A. L. Combs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC107918  Epilobium canum subsp. latifolium L. P. Janeway 2011-9-11 10723 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. On and next to blocky talus slope along the sides of south-facing basalt outcrop. 1570 Comment
  SEINET13709649  Epilobium ciliatum Lowell William Ahart, Lowell William Ahart 2001-1 9285 Plumas Lake Davis (T24N, R13E, sec 29, NW 1/4) 5780 Ft. 1762 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
  SD130489  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-16 51887 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1096 Comment
  CHSC102746  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16148 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  JEPS113552  Epilobium ciliatum subsp. glandulosum Lowell Ahart, John Dittes 2007-6-17 14180 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS95290  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1994-7-28 7535 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  POM262915  Epilobium ciliatum subsp. glandulosum Herbert McLean Evans 1922-07 s.n. Plumas Willow Lake. Mt. Lassen National Park. Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  SEINET9716105  Epilobium densiflorum E. K. Balls 1950-8-31 15551 Plumas Spanish Creek, off Hwy. 24, just north of Quincy Comment
  UC965552  Epilobium densiflorum Herbert L. Mason 1952-7-17 14380 Plumas along Western Pacific tracks just s Beckwourth; Sierra Valley 1524 Comment
  CHSC51006  Epilobium glaberrimum Lowell Ahart 1990-7-16 6571 Plumas Along the edge of the South Fork of the Feather River, about 1/2 mile north-east of the Independent Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  CHSC113851  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2014-8-24 19796 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC21283  Epilobium glaberrimum subsp. glaberrimum F. T. Griggs; A. Pass 1975-8-2 293 Plumas Buck's Lake. Comment
  JEPS43875  Epilobium hallianum Esther C. Fritz 1933-7-15 Plumas meadow w Lookout; Spanish Peak 2133 Comment
  JEPS87819  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas about 0.5 mi e Mount Etna (on s side of Pacific Crest Trail); Sierra Nevada, Mount Etna 1981 Comment
  CHSC116378  Epilobium hornemannii subsp. hornemannii Sara M. Taylor; Scott Batiuk 2012-7-31 55 Plumas Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, NAD 83, 4428172 N, 659702 E. 1573 Comment
  UC1755160  Epilobium luteum Dean W. Taylor 2001-8-1 17873 Plumas Hopkins Creek, along Forest Road 23N10 0.2 road miles N of the creek crossing, on a small waterfall of 3 cascades originating as a spring 1685 Comment
  CHSC36932  Epilobium oreganum M. S. Taylor 1982-9-7 5100 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  UC1586464  Epilobium oregonense Vernon H. Oswald and Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd 5.2 (odometer) mi ne of Humbug summit (between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  CHSC116396  Epilobium oregonense Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 408 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  SEINET8726254 Image available Epilobium paniculatum H. S. Reed 1941-1 s.n. Plumas Forest Lodge 1097 Comment
  CHSC97573  Epilobium torreyi Lowell Ahart; John Dittes 2007-6-17 14202 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC56992  Equisetum arvense John Thomas Howell 1962-6-17 37658 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC56996  Equisetum arvense Walter Knight; Irja Knight 1966-6-18 1360 Plumas Near Pond Reservoir, Butterfly Valley 1097 Comment
  RSA604698  Equisetum arvense L. C. Wheeler 1952-9-24 6961 Plumas Indian Creek: A few miles downstream from Crescent Mills.. . Comment
  CHSC102045  Equisetum hyemale subsp. affine Lowell Ahart; John Dittes 2009-7-27 16162 Plumas On damp soil, high area in a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  SEINET10899881  Equisetum hyemale subsp. affine Mary Susan Taylor 1981-8-19 Taylor 4224 Plumas California: T23N R11E nw 1/4 of se 1/4 sec 18. Blue Nose Mt quad. Along creek, 0.1 mi W of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  RSA794955  Equisetum hyemale var. affine L. Ahart, John Dittes 2009-7-27 16162 Plumas High area in a small pond, headwaters of Grizzly Gulch, 2.1 air miles northwest of Butt Valley Reservoir Dam. 1480 Comment
  CAS-BOT-BC57404  Equisetum laevigatum Alice Eastwood 1918-5-25 7066 Plumas Portola 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
  CHSC97712  Equisetum laevigatum Lowell Ahart; John Dittes 2007-6-17 14168 Plumas Wet bare soil, along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS116123  Equisetum laevigatum Lowell Ahart, John Dittes 2009-7-27 16182 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC284070  Eragrostis pectinacea var. pectinacea John Thomas Howell 1961-9-22 36810 Plumas Greenville, Sierra Nevada 1088 Comment
  CHSC101460  Eremogone cliftonii L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-6-30 9832 Plumas Northern High Sierra Nevada. Top of ridge 1.9 air km northwest of and overlooking Middle Fork Feather River between Pigtail Ravine and Hunters Ravine. 1640 Comment
  CAS-BOT-BC174213  Eremogone congesta var. congesta M. S. Taylor 1981-7-17 4040 Plumas Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi s of Mohawk 1981 Comment
  CAS-BOT-BC174214  Eremogone congesta var. congesta Mrs. H. C. Cantelow 1939-5-20 2544 Plumas Indian Valley, 11 mi. s.e. of Prattville Comment
  CAS-BOT-BC174216  Eremogone congesta var. congesta Alice Eastwood 1927-6-17 14679 Plumas United States Forest Reserve. On road from Long Valley to Greenville Comment
  CHSC89522  Eremogone congesta var. suffrutescens G. D. Barbe; T. C. Fuller 1982-6-17 3826 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  CAS-BOT-BC187913  Eriastrum wilcoxii W. Harnach; N. Harnach 1990-6-16 389 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CAS-BOT-BC286648  Ericameria bloomeri L. P. Janeway 1990-8-29 3838 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC286650  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville 2164 Comment
  SDSU3894  Ericameria bloomeri D. F. Howe 1960-9-21 2989 Plumas 9 miles from junction with #89 on road to Susanville, east side of Lake Almanor. 1463 Comment
  UC1118691  Ericameria bloomeri C. W. Hanks 1934-9-6 69 Plumas Top of Dixie Mtn. Plumas National Forest, Sierraville Quad., Top of Dixie Mtn. 2438 Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  CAS-BOT-BC294297  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34999 Plumas 2 miles east of Portola 1484 Comment
  CHSC55184  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CHSC64069  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4605 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1499 Comment
  CAS-BOT-BC293027  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas Near Blairsden 1341 Comment
  JEPS75255  Ericameria parryi var. nevadensis John Thomas Howell 1974-9-20 50902 Plumas near Spring Garden; Sierra Nevada 1158 Comment
  JEPS75281  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34967 Plumas near Beckwourth; Sierra Valley 1478 Comment
  CHSC63115  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas Plumas-Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  OBI64836  Erigeron canadensis John C. Dittes 2005-7-26 1245 Plumas T27N, R12E, NW 1/4, Sect 30; Kettle rock 7.5'Quad. Northern High Sierra nevada Range; ca 10.6 air miles N X NE of Taylorsville, ca 9.6 air miles S of Diamond Mtn, ca 14. 0 airmiles E of Green ville; watershed of Hungry Crk; at disturbed N edge of FS Rte 27N09 where seasonal drainage crosses rd 1801 Comment
  RSA185349  Erigeron divergens Clare B. Hardham 1961-6-15 7427 Plumas Junction of Indian Creek and Feather River Comment
  RSA641874  Erigeron eatonii Michael A. Vincent 1999-6-7 8526 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UC1563670  Erigeron eatonii var. plantagineus Barbara Ertter 1989-7-4 8686 Plumas 4.2 mi w of jct of Hwy 89 and Hwy 36 (w of Lake Almanor); Coyote Flat 1524 Comment
  UC87592  Erigeron eatonii var. plantagineus T. S. Brandegee 1892-7-4 Plumas Prattsville Comment
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Jan 27 2015
  CAS-BOT-BC300402  Erigeron eatonii var. plantagineus John Thomas Howell; H. Keith Wagnon 1980-5-27 53620 Plumas 1 mile west of Almanor 1386 Comment
  CAS-BOT-BC295219  Erigeron inornatus Thomas H. Harris 1969-7-7 s.n. Plumas West side of Lake Almanor 1371 Comment
  CAS-BOT-BC295230  Erigeron inornatus Rimo Bacigalupi; J. R. Sweeney; G. Bacigalupi, Jr. 1953-8-31 4351 Plumas One-half mile west of Taylorsville 1066 Comment
  CDA14015  Erigeron inornatus var. calidipetris G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada; S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. Comment
  CHSC92955  Erigeron inornatus var. inornatus L. P. Janeway 2005-7-31 8507 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km south-southwest of Adams Peak. 1875 Comment
  JEPS41441  Erigeron inornatus var. inornatus W. L. Jepson 1939-7-31 19326 Plumas summit of Spanish Peak; Buck Valley 1584 Comment
  SEINET5507544  Erigeron inornatus var. inornatus R. Spellenberg, M. Spellenberg 2013-7-23 14580 Plumas 28 air km NW of junction of Plumas, Lassen and Sierra counties, 6.4 km N of Beckwourth on Beckworth-Genesee Rd. (USFS 177) 1665 Comment
  RSA540087  Erigeron lassenianus Walter Knight, Irja Knight, John Thomas Howell, Gordon H. True 1969-7-24 2454 Plumas Butterfly Creek Canyon. Butterfly Botanical Area and vicinity 991 Comment
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Aug 21 2012
  CHSC71631  Erigeron lassenianus var. deficiens Vernon H. Oswald; Lowell Ahart 1998-8-11 9487 Plumas Northwest of Onion Valley at Sawpit Flat on Cleghorn Bar Rd. 1.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1920 Comment
  UC1609240  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas about 3 mi nw Pilot Peak (w side of Cleghorn Bar Road); Monitor Flat 1828 Comment
  CAS-BOT-BC295500  Erigeron lassenianus var. lassenianus L. P. Janeway 1992-6-8 4224 Plumas Plumas National Forest, Quincy Ranger District. About 0.3 mi south of Hwy 70/89 at Lee Summit 1359 Comment
  CAS-BOT-BC295789  Erigeron petrophilus var. sierrensis F. Thomas Griggs 1977-7-23 s.n. Plumas Soda Ridge area 3 to 4 miles north of Belden Comment
  JEPS119932  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas About 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  RSA724903  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  UCD99751  Eriogonum baileyi John Thomas Howell 1959-9-25 35028 Plumas summit of Beckwourth Pass. 1588 Comment
  SEINET244749 Image available Eriogonum douglasii James L. Reveal 2002-6-25 8361 Plumas Squaw Valley; Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9. airmiles NNW of Beckwourth. 1710 Comment
  SEINET10479800  Eriogonum douglasii var. douglasii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3857 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
  CAS-BOT-BC435532  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of USFS Rds 28N01 and 28N70 on flat W of Highway, 11.9 air mi NNW of Beckwourth 1706 Comment
  CAS-BOT-BC256163  Eriogonum douglasii var. meridionale L. P. Janeway 1989-6-23 3384 Plumas Upper w-vacing slope on ridge between Crocker Mdw and Dotta Cr., Beckwourth Ranger District, Plumas National Forest 1889 Comment
  CAS-BOT-BC256164  Eriogonum douglasii var. meridionale Volney Rattan 1903-1-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC256166  Eriogonum douglasii var. meridionale Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  CAS-BOT-BC246533  Eriogonum elatum var. elatum Lewis S. Rose 1934-7-23 34421 Plumas Chilcoot, Sierra Valley 1522 Comment
  CAS-BOT-BC246534  Eriogonum elatum var. elatum Lewis S. Rose 1955-7-19 55141 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC246536  Eriogonum elatum var. elatum John Thomas Howell; Gordon H. True 1973-7-31 50118 Plumas Summit ridge of Thompson Peak, Diamond Range 2133 Comment
  RSA107490  Eriogonum elatum var. villosum L. S. Rose 1955-7-20 55159 Plumas Mohawk. 1372 Comment
  SBBG64034  Eriogonum lobbii L. G. Yates 1895-1 Plumas Plumas County [no specific locality] Comment
  CAS-BOT-BC267332  Eriogonum luteolum var. pedunculatum John Thomas Howell 1959-9-21 34808 Plumas Indian Creek Canyon, Sierra Nevada 914 Comment
  SD46712  Eriogonum marifolium Robert J. Weatherly 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  SEINET530685  Eriogonum marifolium Paul Opler 2007-6-27 Plumas Plumas National Forest, Round Lake trail. Comment
  UC1032132  Eriogonum marifolium D. Axelrod 1934-6-9 23 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC52731  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 A Plumas Plumas National Forest Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  CAS-BOT-BC264818  Eriogonum nudum var. deductum John Thomas Howell 1951-6-28 27654 Plumas Johnsville, Sierra Nevada 1584 Comment
  JEPS102617  Eriogonum nudum var. deductum Lowell Ahart 2001-7-11 8893 Plumas Along the NE 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
  UC77677  Eriogonum nudum var. deductum D. Cleveland July 1882 Plumas Big Meadows Comment
  CAS-BOT-BC261360  Eriogonum nudum var. deductum A. A. Heller; P. B. Kennedy 1907-7-13 8834 Plumas Between Taylorville [Taylorsvillel] and Little Grizzly Creek Comment
  CHSC24261  Eriogonum nudum var. nudum K. R. Stern 1974-7-24 Plumas S end of Lake Almanor. Comment
  CHSC66766  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1996-8-14 8160 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Common in hydraulic mine tailings along the road. 1127 Comment
  UC1032192  Eriogonum nudum var. nudum C. G. Albertus 1935-7-23 232 Plumas 2 mi nw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10479793  Eriogonum nudum var. nudum Mary Susan Taylor 1981-7-27 Taylor 4125 A Plumas T25N R12E SE 1/4 & c 10. Babcock Peak. In granite gravel embankment, N side of Beckworth Genesse Rd, ca. 7 air mi E of Genesse. 5400 ft. 1646 Comment
  CAS-BOT-BC269729  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-8-30 5075 Plumas Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville 1920 Comment
  CHSC40976  Eriogonum nudum var. oblongifolium J. D. Jokerst 1984-7-11 2097 Plumas East end of Genesee Valley, along Beckwourth Genesee Road, 1.1 miles NW of Drm Bridge. Comment
  UCD100552  Eriogonum nudum var. oblongifolium K. L. Olsen 1949-7-31 25 - Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  CHSC39086  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-8-2 4177 Plumas Just n of Butte County line, ne of Humboldt Peak; in basin draining into Scotts John Creek. 2011 Comment
  CAS-BOT-BC269957  Eriogonum spergulinum var. reddingianum John Thomas Howell 1960-7-18 35577 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC269955  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 6792 Plumas Lake Almanor, north shore Comment
  UC178464  Eriogonum spergulinum var. reddingianum Katharine Brandegee Plumas Portola Comment
  UC725347  Eriogonum spergulinum var. reddingianum A. A. Heller 1941-7-29 16272 Plumas 3 mi s Kelly Camp (just outside of Lassen Volcanic National Park) Comment
  SEINET10479795  Eriogonum strictum subsp. proliferum Mary Susan Taylor 1981-6-18 Taylor 3937 A Plumas T24N R13E nw/sw sec 8. Grizzly Valley quad. N side of rd 25N93, ca. 1.5 mi NW of Bagley Pass, ca. 12 mi N of Blairsden. 5800 ft. elev. 1768 Comment
  CAS-BOT-BC262781  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Beckwourth Ranger District, Plumas National Forest. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111), 6.4 mi N of Beckwourth 1874 Comment
  CHSC34743  Eriogonum strictum var. proliferum M. S. Taylor 1981-6-18 3937 A Plumas N side of rd 25N93, ca. 1.5 air mi nw of Bagley Pass, ca. 12 mi n of Blairsden. 1767 Comment
  CHSC115804  Eriogonum umbellatum var. ahartii Lowell Ahart; Jason Deurloo 2015-8-25 20529 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CHSC82544  Eriogonum umbellatum var. modocense Lowell Ahart 2002-7-18 9859 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  UC565908  Eriogonum umbellatum var. modocense D. Axelrod 1934-6-9 30 Plumas 2 mi nw Lexington; Bidwell Bar Quadrangle 1767 Comment
  CAS-BOT-BC262073  Eriogonum umbellatum var. nevadense John Thomas Howell 1951-6-27 27634 Plumas Jamison Creek 1828 Comment
  CAS-BOT-BC262074  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14866 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  CAS-BOT-BC262076  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC262080  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14876 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  RSA726334  Eriogonum umbellatum var. nevadense L. Ahart, John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2552 Comment
  SEINET10937583  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-31 Taylor 5081 Plumas T26N R11E nw/nw sec 2. Kettle Rock quad. Summit of Kettle Rock Lookout, just s of Taylor Lake, ca. 6 air mi ne of Taylorsville. 7820 ft. 2383 Comment
  SEINET5331972  Eriogonum umbellatum var. nevadense A. A. Heller, P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley. Comment
  JEPS56234  Eriogonum umbellatum var. polyanthum W. L. Jepson 1939-7-31 19291 Plumas thinly wooded slope w Meadow Valley; Buck's Valley 1524 Comment
  JEPS94855  Eriogonum umbellatum var. polyanthum Vernon H. Oswald and Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway w of Meadow Valley (0.1 mi w of Silver Lake Road); Oroville-Quincy Highway 1158 Comment
  JEPS95072  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas about 2 air mi ne of Belden (about 1 1/2 air mi sw of Red Hill, on e side of the dirt road to the siphon, about 1/8 mi n of the siphon) 792 Comment
  CAS-BOT-BC262256  Eriogonum ursinum Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, summit of Round Lake Peak, Feather River Region 2225 Comment
  CAS-BOT-BC262265  Eriogonum ursinum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2204 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC262267  Eriogonum ursinum A. A. Heller; P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville [Taylorsville] and Little Grizzly creek Comment
  UC77780  Eriogonum ursinum J. G. Lemmon and wife Sept. 1878 Plumas Indian Valley Comment
  CAS-BOT-BC262253  Eriogonum ursinum M. S. Taylor 1982-8-9 4946 Plumas In e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 air mi sse of Canyon Dam 1859 Comment
  SEINET11933185  Eriogonum ursinum M. S. Taylor 1982-1 4898 Plumas Summit of Little Valcano, ca 5 mi SE of Quincy. T23N R10E SW/NW Sec 14. Onion Valley Quad 1768 Comment
  CAS-BOT-BC262327  Eriogonum vimineum W. Harnach; N. Harnach 1990-6-16 387 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  SBBG64224  Eriogonum vimineum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
  SEINET5332069  Eriogonum vimineum W. Harnach, N. Harnach 1990-6-16 387 Plumas Sierra Valley, NW of Vinton, Frank Dotta Ranch. 1524 Comment
  SJSU15257  Eriogonum vimineum S. Woolhouse 2009-7-28 15 Plumas Next to Caribou Road and the North Fork of the Feather River Comment
  CAS-BOT-BC264118  Eriogonum vimineum Mrs. H. C. Cantelow 1951-7-29 17 Plumas Hwy. 24, w. of Beckwourth Comment
  CAS-BOT-BC124156  Eriophyllum lanatum var. cuneatum Amos Arthur Heller; P. B. Kennedy 1907-7-15 8849 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CHSC48157  Eriophyllum lanatum var. integrifolium Vernon Oswald 1983-8-24 1022 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC67752  Eriophyllum lanatum var. integrifolium Lowell Ahart 1977-6-20 X 1434 Plumas Mountain side, one-half mile northeast of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  SEINET8673795  Eryngium alismifolium R. F. Thorne, Tilforth, C. W. 1969-9-6 39243 Plumas near Feather River... 1 mi. SW of Beckworth 1356 Comment
  RSA101768  Eryngium yuccifolium Ames 1876-1 s.n. Plumas [Unspecified] Comment
  CHSC55680  Erysimum capitatum Ben Cunningham 1991-4-20 Plumas Ca. 1.4 mi s of Rock Creek Dam and 10 ft w of Highway 70, 35a mi s of Greenville. 731 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
  CHSC55679  Erysimum capitatum var. capitatum Steven Triano 1988-4-17 50 Plumas Along n side of Hwy. 70, ca 11.3 mi e of its jct. with Hwy. 89. 822 Comment
  RSA121676  Erysimum capitatum var. perenne D. Axelrod 1934-6-9 21 Plumas 2.25 miles NW of Lexington Hill. 1768 Comment
  CHSC63477  Erythranthe guttata Lowell Ahart 1994-7-28 7542 Plumas On the east side of small stream. North-east of Frenchman Hill, south-west of Buck's Lake. 1706 Comment
  CHSC75544  Erythranthe microphylla G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3110 Plumas Northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET8258452  Erythranthe moniliformis J. M. Tucker 1948-7-24 1719 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CHSC21024  Erythranthe primuloides F. T. Griggs; A. Pass 1975-7-10 135 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21568  Erythranthe primuloides L. M. Mayer; D. E. Brink Jr. 1975-7-23 Plumas Bucks Lake Floristic Survey. Comment
  CHSC97594  Erythranthe suksdorfii Lowell Ahart; John Dittes 2007-6-16 14105 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
  UC1126416  Eschscholzia californica C. G. Albertus 1935-7-20 212 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle 1310 Comment
  SEINET5339912  Eschscholzia californica A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  JEPS2491  Eucephalus breweri Mrs. Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2103 Comment
  UC1075648  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell Lakes Basin Area, Mt. Elwell 2286 Comment
  UCD23354  Euonymus occidentalis var. occidentalis E. W. Jameson 1949-6-27 s.n. Plumas 3 miles east of Quincy. 1127 Comment
  CAS-BOT-BC310539  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  CHSC97071  Eurybia integrifolia Lowell Ahart; Josephine Guardino 2007-7-21 14363 Plumas Near 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
  SD133930  Eurybia integrifolia Barbara Ertter 1988-7-25 7856 Plumas Diamond Mountains 15 miles south of Susanville, sheep camp on Pierce Creek. 1980 Comment
  CAS-BOT-BC310598  Eurybia radulina C. R. Quick 1951-6-7 51 -98 Plumas Ridge ne. of Humbug Valley Comment
  UC1192258  Euthamia occidentalis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1455 Plumas se side Portola Comment
  UCR146409  Festuca arida Beecher Crampton 1954-5-11 1875 Plumas Northern Sierra Nevada Mountains, 4 miles east of Beckwourth, [The Buttes] along Hwy. 24 1494 Comment
  UC573934  Festuca idahoensis E. Sawyer 1935-6-14 65 Plumas 5.75 mi n Sattley; Sierraville Quad. 1524 Comment
  SEINET10864300  Festuca idahoensis Mary Susan Taylor 1982-6-14 Taylor 4663 Plumas T27N R12E S15 NW1/4 SW1/4. Antelope Lake Quad. Dry poor meadow, N side of Indian Creek, E side of 28N03, NW corner of Antelope Lake, ca. 12 mi NE of Taylorsville. With Salix exigua, Paeonia brownii, Poa scabrella. 1524 Comment
  CHSC102710  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16154 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  JEPS114916  Festuca occidentalis Lowell Ahart 2008-7-16 15073 Plumas Forest floor, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  UCD66363  Festuca rubra Collector Unknown Date Unknown 4652 Plumas Sierra Valley. Comment
  JEPS113663  Festuca subulata Lowell Ahart, Josephine Guardino 2007-7-20 14322 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CHSC63209  Festuca viridula Lowell Ahart 1994-7-7 7469 Plumas On the west side of the Pacific Crest Trail, about 1/4 mile (air) south-west of Pilot Peak. 2011 Comment
  CHSC87817  Floerkea proserpinacoides Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11055 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  CHSC75401  Fragaria virginiana Vernon H. Oswald 1999-5-26 9729 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. On forest floor between the road and a meadow. 1371 Comment
  SEINET10483133  Fragaria virginiana var. platypetala Mary Susan Taylor 1982-6-2 Taylor 4594 Plumas T23N R12E ne/ne sec 21. Johnsville quad. Along Jackson Creek 0.5 mi s of jct of Jackson Creek and 23N48 & 23N83, ca. 5 air mi n of Mohawk, ca. 1 air mi ne of Mt Jackson. 5900 ft. 1798 Comment
  CHSC46512  Frangula purshiana Lowell Ahart 1975-7-2 843 Plumas Growing on moist to dry soil along the edge of a small stream, about 8 miles north of the Sly Creek Dam. 1219 Comment
  UCD112834  Frangula purshiana J. M. Tucker 1948-7-25 1746 Plumas above mine of United Mining Co., Pinchard Creek, southwest side of Camel Peak. Comment
  SEINET11248030  Frangula purshiana A. A. Heller, P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  JEPS118619  Frangula purshiana subsp. ultramafica B. Castro, L. P. Janeway 2001-7-22 1353 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In open rocky areas up from road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  CHSC33819  Frangula rubra M. S. Taylor; M. Foster 1981-6-2 3819 Plumas Dry open serpentine soils with outcrops, N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  UC650347  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley Creek Comment
  UC650348  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley 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-BC59582  Frangula rubra subsp. rubra John Thomas Howell 1973-7-9 49716 Plumas Sierra Nevada - Round Valley 1371 Comment
  CHSC96743  Fritillaria atropurpurea L. P. Janeway 2007-5-20 8991 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather rivers to the north); at junction of Roads 25N17, 25N57, 25N59. 1573 Comment
  SD6485  Fritillaria recurva Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CHSC58198  Galium aparine Vernon H. Oswald; Lowell Ahart 1992-6-22 5009 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  CDA42128  Galium aparine L. P. Janeway 1996-5-13 4968 Plumas Northern High Sierra Nevada; Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. Comment
  CHSC117452  Galium bifolium Lowell Ahart 2016-6-29 21079 Plumas About 20 yards east of Forest Service Road 22N72, about 1/4 mile sourtheast of Table Mountain, about 1 3/4 miles (air) northwest of Tamarack Flat, about 3 3/4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1760 Comment
  SD46741  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake, Lakes Basin Area 2194 Comment
  RSA101479  Galium bifolium R. Weatherby 1955-6-26 1546 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  UC584311  Galium grayanum var. grayanum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2245 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  CHSC35265  Galium trifidum var. pacificum M. S. Taylor 1981-7-13 4001 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
  CHSC65348  Galium trifidum var. pacificum Lowell Ahart 1995-10-1 7649 Plumas Onion Valley, east of Quincy LaPorte Road, about 1 mile north-west of Pilots Peak. 1828 Comment
  CHSC108718  Galium trifidum var. pusillum B. Castro; L. P. Janeway 2003-9-7 1456 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. Along channel of creek running length of valley through a pair of ponds, at NW edge of smaller upper pond. 2033 Comment
  SEINET12331838  Galium trifidum var. subbiflorum Unknown 1985-1 5104 Plumas about 4.25 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork Feather River flows 1585 Comment
  POM367793  Galium triflorum Dorothy Davis 1923-7-24 s.n. Plumas Mohawk 1372 Comment
  SD71034  Galium triflorum Walter Knight, Irja Knight, John Thomas Howell 1966-7-27 1556 Plumas slope near mouth of Butterfly Creek 1036 Comment
  UCD121958  Galium triflorum J. M. Tucker 1948-7-25 1743 Plumas At mine of United Mining Co., Pinchard Creek, southwest side Camel's Peak. 1524 Comment
  CHSC37020  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas Gray Eagle Lodge Rd. SW of Hwy 519, ca. 7 mi s of Mohawk. 1737 Comment
  UC338309  Garrya fremontii unknown 1889-5-25 Plumas Mohawk Valley Comment
  RSA97510  Garrya fremontii L. S. Rose 1954-5-30 s.n. Plumas Johnsville. 1601 Comment
  CAS-BOT-BC478529  Gayophytum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54405 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CDA13762  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13496 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  CHSC110613  Gayophytum diffusum subsp. parviflorum B. Castro; G. Kuenster 2006-8-4 1587 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  CHSC53143  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-6-20 3343 Plumas Plumas National Forest. Southwest side of Red Clover Valley. 1691 Comment
  UC384659  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  JEPS122088  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC115164  Gayophytum humile Lowell Ahart 2015-6-7 20222 Plumas On the west side of the dirt road, Lava Top, about 2-1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  SEINET10453077  Gayophytum humile Mary Susan Taylor 1982-6-28 Taylor 4757 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
  SEINET7717367  Gentiana newberryi Unknown Plumas Big Meadows Comment
  UC405409  Gentianella amarella subsp. acuta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA8005  Geum macrophyllum H. A. Barker 1927-7-3 767 Plumas Feather River near Blairsden. 1372 Comment
  UCR139354  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Northern Sierra Nevada Mtns., Quincy 1067 Comment
  CAS-BOT-BC459553  Geum macrophyllum A. A. Heller; P. B. Kennedy 1907-7-9 8787 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC459554  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC459556  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  UC1127977  Geum triflorum E. Sawyer 1935-6-21 135 Plumas 4 1/2 mi nne of Crow (Plumas National Forest); Plumas National Forest 1584 Comment
  SEINET10496735  Gilia capillaris Mary Susan Taylor 1981-8-4 Taylor 4156 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  UCD117716  Gilia capitata subsp. mediomontana Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  UC367215  Gilia capitata subsp. pedemontana J. G. Lemmon and wife Sep 1883 Plumas American Val American Val (N. Cal.) Comment
  RSA726383  Gilia leptalea L. Ahart, Josephine Guardino 2007-7-21 14381 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
  SEINET10496753  Gilia leptalea Mary Susan Taylor 1982-7-8 Taylor 4797 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
  CHSC58538  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1992-7-6 5074 Plumas Lassen Volcanic Park. W side of Little Willow Lake, near the S boundary of the park. 1834 Comment
  CHSC59155  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1992-7-6 5067 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). On the edge of a meadow surrounding an unmapped pond. 1780 Comment
  JEPS107730  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CAS-BOT-BC282703  Glyceria elata John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1501 Plumas Along road at Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC282706  Glyceria elata John Thomas Howell 1951-6-28 27647 Plumas Johnsville, Sierra Nevada 1584 Comment
  UC1100348  Glyceria elata Malcolm A. Nobs and S. Galen Smith 1949-8-20 1464 Plumas about 13 mi sw Milford (on road between Milford and Beckwourth) Comment
  SEINET7118807 Image available Glyceria striata Clarissa Kimber 1961-8-11 282 Plumas Snake Lake Road 2.5 mi from turn off Hwy 89 at Elizabethtown; Quincy Quadrangle Comment
  CAS-BOT-BC303819  Gnaphalium John Thomas Howell 1976-7-14 51819 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CDA5884  Gnaphalium canescens subsp. thermale F. L. Blanc 1980-8-22 Plumas 1/4 mile west of Cromberg. 0 Comment
  CAS-BOT-BC307379  Gnaphalium palustre John Thomas Howell 1961-9-22 36797 Plumas Wolf Creek, Greenville, Sierra Nevada 1088 Comment
  CDA17259  Gnaphalium palustre G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16286 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC95006  Gnaphalium palustre Lowell Ahart 2006-10-23 13475 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  RSA59410  Gnaphalium thermale E. K. Balls 1950-9-15 15858 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  RSA508596  Goodyera oblongifolia Mrs. R. M. Austin 1876-07 s.n. Plumas Mill Creek Comment
  UC1191883  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-8-18 1351 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  UCD123721  Gratiola neglecta Malcolm A. Nobs; S. Galen Smith 1949-8-18 1351 Plumas South end of Lake Almanor. Comment
  CAS-BOT-BC182429  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54113 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  JEPS106042  Hackelia amethystina Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11159 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CHSC87127  Hackelia californica L. P. Janeway 2001-6-15 7182 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
  RSA8567  Hackelia micrantha Elmer I. Applegate 1929-6-20 5761 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt Lassen region. Comment
  SEINET10474690  Haplopappus bloomeri Mary Susan Taylor 1981-8-4 Taylor 4152 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  SEINET8480292  Hastingsia alba A. A. Heller, P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville. Comment
  SEINET10475535  Hazardia whitneyi Mary Susan Taylor 1981-8-19 Taylor 4220 Plumas California: T23N R11E ne 1/4 of se 1/4 sec 17. Blue Nose Mt quad. S side of road 2310, 0.1 mi E of Bell Creek, ca. 1.5 mi W of Sloat. Plumas County. 4500 ft. 1372 Comment
  CHSC95049  Hazardia whitneyi var. whitneyi L. P. Janeway 2006-9-20 8885 Plumas Northern High Sierra Nevada. Along dirt road 0.3 km southeast of American House and Challenge-La Porte Road. Mostly along compacted edges of dirt road and a little into adjacent forest. 1420 Comment
  CAS-BOT-BC314798  Helianthella californica var. nevadensis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC84987  Helianthella californica var. nevadensis Lowell Ahart 2003-10-17 10650 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Peak about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  RSA0009330  Helianthella californica var. nevadensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET3147436  Helianthus exilis E. K. Balls 1950-9-15 15800 Plumas 2 mi E of S tip of Lake Almanor, between Greenville and Lake Almanor, Hwy 89 1402 Comment
  CAS-BOT-BC315014  Hemizonella minima John Thomas Howell; Gordon H. True 1969-6-23 45826 Plumas On Middle Fork of Feather River at Nelson Point, Sierra Nevada 1249 Comment
  CAS-BOT-BC313427  Hemizonella minima D. E. Breedlove 1962-6-13 3473 Plumas Along State Hwy.89, 2 miles south of Graeagle 1402 Comment
  CAS-BOT-BC315016  Hemizonella minima Walter Knight; Irja Knight 1967-5-22 1885 Plumas Rubble Gap, Butterfly Botanical Area and Vicinity Comment
  CAS-BOT-BC55286  Hesperis matronalis John Thomas Howell; Gordon H. True 1967-6-11 42568 A Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CDA3751  Hesperis matronalis T. C. Fuller 1963-7-17 10924 Plumas West of Highway 40 Alt., 0.1 mile north of hotel in Quincy. 0 Comment
  CDA3755  Hesperis matronalis T. C. Fuller 1963-6-13 10669 Plumas North of hotel in Quincy. 0 Comment
  CHSC57286  Hesperochiron californicus L. P. Janeway 1991-5-14 3963 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
  JEPS52289  Hesperochiron californicus Wayne Roderick 1966-4-9 Plumas 1 mi s of Beckwourth (Sierra Valley); Sierra Valley 1524 Comment
  SEINET10497051  Hesperochiron pumilus Mary Susan Taylor 1982-5-6 Taylor 4407 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  SEINET10493824  Hesperolinon micranthum Mary Susan Taylor 1981-7-13 Taylor 3998 Plumas T24N R16E se/nw sec 5, Frenchman Lake quad; E side of 24N55, ca. 0.4 mi N of its jct with 28N11, ca. 0.7 mi N of N tip of the Lake, ca. 14 air mi N of Chilcoot. 1737 Comment
  CAS-BOT-BC280683  Hesperostipa comata John Thomas Howell 1962-6-19 37842 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  CAS-BOT-BC311072  Heterotheca oregona var. rudis John Thomas Howell 1961-9-23 36893 Plumas Englemine 1097 Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  CDA17238  Heterotheca villosa G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16341 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA795732  Heterotheca villosa var. minor L. P. Janeway, P. F. Zika, Barbara L. Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  SJSU13942  Heterotheca villosa var. minor N. A. Hopkins 1986-6-30 1349 Plumas by Johnsville-LaPorte Rd near SW boundary of Eureka State Park Comment
  RSA0066261  Heuchera rubescens var. alpicola E. K. Balls 1950-9-1 15593 Plumas Above trail going S around lake, E of Long Lake. 2134 Comment
  CAS-BOT-BC319605  Hieracium albiflorum H. E. Brown 1897-8-1 650 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC319607  Hieracium albiflorum Anna Head 1921-8-2 s.n. Plumas Gold Lake, Feather River Region 1981 Comment
  RSA286279  Hieracium albiflorum R. F. Thorne 1974-7-30 45013 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  UCR89180  Hieracium albiflorum Walter Knight, J. T. Howell, I. Knight 1966-7-28 s.n. Plumas Butterfly Canyon along roadside 991 Comment
  CHSC54431  Hieracium scouleri var. nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas Forest Rd 29N16 (Little Willow Lake Rd), 0.4 miles north of its junction with Rd 29N18 (Upper Rice Creek Rd), ca. 3 miles (air) south of Drakesbad and 0.5 mile (air) south of Little Willow Lake. 1874 Comment
  CHSC65341  Hippuris vulgaris Lowell Ahart 1995-10-1 7647 Plumas On the bottom of the drying pond, (reservoir washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS94287  Hirschfeldia incana Lowell Ahart 1997-9-11 7904 Plumas about 4 1/2 air mi ne of Belden (about 1/2 mi s of Mosquito Creek, on w side of the North Fork of the Feather River, on e edge of Caribou Road); North Fork Feather River, Caribou Road 792 Comment
  CHSC91812  Holcus lanatus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16274 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: in upper bog area. 1158 Comment
  LA207928  Holodiscus discolor var. glabrescens Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC152720  Holodiscus microphyllus var. microphyllus Robert J. Weatherby 1950-8-11 1516 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  SEINET11688679  Hordeum brachyantherum K. R. Stern 1985-1 8304 Plumas vicinity of Blairsden 1402 Comment
  CAS-BOT-BC284651  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell; Gordon H. True 1969-6-23 45833 Plumas On Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC289440  Hordeum murinum subsp. leporinum John Thomas Howell 1967-6-23 42692 Plumas Butterfly Valley, Sierra Nevada 1066 Comment
  CHSC61616  Horkelia fusca subsp. parviflora Arthur C. Barrett 1915-7-14 34 Plumas Boulder Cr. Sta. meadow. 1645 Comment
  CHSC66767  Horkelia fusca subsp. parviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8181 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  RSA0091207  Horkelia fusca subsp. tenella Bonnie C. Templeton 1968-1 11279 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS113759  Horkelia fusca var. parviflora Lowell Ahart, Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS127117  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  SJSU14715  Horkelia fusca var. parviflora N. A. Hopkins 1991-7-3 1705 Plumas by rd to Janesville 15 mi N of junction with Beckwourth-Genesee Rd 1524 Comment
  CAS-BOT-BC143990  Horkelia fusca var. tenella Alice Eastwood 1927-6-17 14642 Plumas Long Valley, United States Forest Reserve Comment
  UCSB45344  Horkelia tridentata Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy Comment
  JEPS108716  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the southwest edge of a dry open basalt flat 1527 Comment
  CAS-BOT-BC536279  Horkelia tridentata var. tridentata Walter Knight; Irja Knight 1967-5-22 1899 Plumas Butterfly Canyon, Butterfly Botanical Area and Vicinity 1066 Comment
  CHSC102582  Hosackia oblongifolia var. oblongifolia L. P. Janeway; B. Castro 2009-7-4 9846 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC57287  Hydrophyllum capitatum var. alpinum L. P. Janeway 1991-5-28 3971 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
  POM147051  Hydrophyllum capitatum var. alpinum Alice Eastwood 1927-06 14890 Plumas On road from Chilcott, United States Forest Reserve Comment
  CDA13408  Hydrophyllum occidentale G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13257 Plumas Sierra Nevada; Near headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC21321  Hydrophyllum occidentale F. T. Griggs; A. Pass 1975-7-8 112 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC60283  Hydrophyllum occidentale K. B. McShea 1992-4-19 3 Plumas Ca 2 mi s of Jct. of Hwy 89 and Hwy 70 to Soda Creek, 1.5 mi e on n slope. 792 Comment
  UC335436  Hydrophyllum occidentale unknown 1889-1 Plumas Mohawk Valley Comment
  CDA18480  Hydrophyllum occidentale G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3239 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  RSA537466  Hydrophyllum occidentale Barbara Ertter, Gary Schoolcraft 1989-7-3 8671 Plumas Diamond Mt. peak ca. 7 air miles S of Susanville 2287 Comment
  SEINET10497074  Hydrophyllum occidentale Mary Susan Taylor 1982-5-25 Taylor 4522 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  CHSC40358  Hypericum anagalloides Lowell Ahart 1985-7-11 5128 Plumas On dry sand bars, below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  SEINET5343944  Hypericum anagalloides M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge above Johnsville. Wet meadow below road. 2271 Comment
  CHSC33886  Hypericum formosum subsp. scouleri M. S. Taylor 1981-7-21 4085 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  JEPS66824  Hypericum formosum var. scouleri H. L. Mason 1924-6-26 Plumas Blairsden Comment
  UC1586469  Hypericum formosum var. scouleri Vernon H. Oswald and Lowell Ahart 1991-7-30 4779 Plumas 5.2 mi. (odometer) n.e. Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  CAS-BOT-BC401436  Hypericum scouleri Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC401434  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  SD7657  Ipomopsis aggregata R. M. Austin 1880-1 Plumas Big Meadows Comment
  UCD118221  Ipomopsis aggregata June McCaskill 1954-5-31 330 Plumas State Highway 89, 2.6 miles north of Greenville, 100 yards west of roadside. Comment
  UC879925  Ipomopsis congesta Anna Head 1921-7-20 Plumas above Round Lake (top of ridge); Feather River Region Comment
  UC1123676  Ipomopsis tenuituba E. Sawyer 1935-6-24 138 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1859 Comment
  RSA0091941  Iris Bonnie C. Templeton 1968-1 11299 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC135732  Iris hartwegii Mrs. H. C. Cantelow 1949-6-10 4 a Plumas About 7 miles west of Quincy - Sierra Nevada Comment
  CHSC37024  Iris hartwegii subsp. pinetorum M. S. Taylor 1982-6-1 4575 Plumas On e side of Hwy 70, ca. 1 mi n of Quincy. 1097 Comment
  RSA136350  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1955-5-14 20710 Plumas 3.1 mi. N of Greenville on road to Lake Almanor, Hwy. 89. 1159 Comment
  SEINET10839646  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-6-1 Taylor 4584 Plumas T26N R9E center sec 15. Greenville SW quad. N side of 20r, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 4600 ft. 1402 Comment
  SEINET10905382  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-6-1 Taylor 4577 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  CHSC41144  Iris tenuissima subsp. purdyiformis J. D. Jokerst 1984-6-13 2047 B Plumas South of Grizzly Creek, ca 30 M north of spur 'C'' of USFS road 26N08. Ca. 2 air miles east of Peacock Point. 1432 Comment
  JEPS116136  Isoetes bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CHSC58016  Isoetes nuttallii Vernon H. Oswald; Lowell Ahart 1992-6-2 4976 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. Lassen Volcanic National Park. 1767 Comment
  CHSC37004  Iva axillaris M. S. Taylor 1982-8-27 5047 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  LA203794  Iva axillaris J. A. Ewan; 1934-7-18 8549 Plumas 2 mi. W. Portola Comment
  RSA790593  Ivesia aperta James R. Shevock, Barbara Ertter 1986-7-20 11736 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
  SEINET10483370  Ivesia aperta Mary Susan Taylor 1982-6-28 Taylor 4775 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC109968  Juncus W. Harnach; N. Harnach 1991-6-21 565 Plumas Sierra Valley. Next to R/R bridge esat of County Road A-23. 1487 Comment
  CHSC100345  Juncus balticus subsp. ater Lowell Ahart 2008-8-13 15156 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  SEINET6333648  Juncus bufonius A. A. Heller, P. B. Kennedy 1907-7-3 8694 Plumas Red Clover Valley Comment
  RSA718513  Juncus bufonius var. bufonius L. 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 of Strawberry Valley. 1282 Comment
  UCD141414  Juncus bufonius var. occidentalis L. Ahart 1985-7-11 5134 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles northwest of La Porte. 1584 Comment
  JEPS110199  Juncus confusus Lowell Ahart, Josephine Guardino 2005-8-9 12265 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
  JEPS113859  Juncus confusus Lowell Ahart, Josephine Guardino 2007-7-20 14311 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
  UCD108046  Juncus confusus Tim Kuhn 2006-6-23 81 Plumas near Bagley Pass. Comment
  JEPS122185  Juncus covillei Lowell Ahart 2014-8-26 19770 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
  SEINET11787640  Juncus covillei Unknown 1985-1 5123 Plumas Little Grass Valley Res., where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 Comment
  SEINET10945580 Image available Juncus dubius R. M. Austin 1880-1 Austin s.n. Plumas Comment
  CHSC113846  Juncus ensifolius Lowell Ahart 2014-8-24 19735 Plumas On the west side of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1563 Comment
  JEPS115911  Juncus ensifolius Lowell Ahart, John Dittes 2009-7-27 16188 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  RSA95515  Juncus ensifolius J. T. Howell 1951-8-20 28199 Plumas Indian Valley. 1067 Comment
  UCD141555  Juncus howellii John Thomas Howell 1960-7-18 35512 Plumas Drakesbad. 1676 Comment
  RSA95511  Juncus howellii J. T. Howell 1951-6-27 27580 Plumas McRae Meadow. 1982 Comment
  JEPS115976  Juncus laccatus Lowell Ahart, John Dittes 2009-7-13 16035 Plumas On dry to damp soil, edge of a 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
  JEPS114940  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 41/2 miles (air) north of La Porte 1597 Comment
  RSA286270  Juncus macrandrus Robert F. Thorne 1974-7-30 44991 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  CDA13976  Juncus nevadensis G. F. Hrusa 1996-8-2 13440 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. . Comment
  CHSC92199  Juncus nevadensis Lowell Ahart; John Dittes 2005-9-20 12428 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
  JEPS102712  Juncus nevadensis Lowell Ahart 2001-7-17 8900 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
  JEPS119931  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas About 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  UCD108047  Juncus orthophyllus Tim Kuhn 2006-6-21 82 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC227113  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of Each Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC103147  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -C Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA754871  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 C Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  NY21041  Juniperus californica M. E. P. Ames s.n. Plumas Comment
  CHSC57404  Juniperus communis L. P. Janeway 1984-9-1 1099 Plumas Lakes Basin Recreation Area; between Long Lake and Silver Lake. 2011 Comment
  UC1134349  Juniperus occidentalis R. Roseberry 1934-10-22 17 Plumas 1 1/2 mi ne Pilot Pk.; Plumas National Forest, Downieville Quadrangle 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
  JEPS90926  Kalmia polifolia subsp. polifolia Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11441 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen Nat'l Park, Little Willow Lake 1874 Comment
  CAS-BOT-BC246160  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CHSC28050  Keckiella lemmonii J. D. Jokerst 1978-6-21 143 Plumas 200 yds sw of intersection of Hwys 70 and 89, openings in Yellow Pine Forest. Comment
  JEPS10899  Keckiella lemmonii W. L. Jepson 1939-7-31 19295 Plumas half-way between Meadow Valley and Buck's Valley (Spanish Peak, lower slopes); Spanish Peak 1524 Comment
  CHSC59588  Kumlienia hystricula Sharol Lindenstein 1989-3-26 5 Plumas Plumas Nat'l Forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 4 mi nw of Cresta Powerhouse. 701 Comment
  CHSC102657  Kyhosia bolanderi Lowell Ahart; John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  JEPS101241  Kyhosia bolanderi Dean W. Taylor 2000-8-8 17552 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
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Jun 12 2013
  JEPS59953  Lagophylla ramosissima Lewis S. Rose 1969-6-24 69051 Plumas 3 mi w of Keddie; Butterfly Valley Comment
  CHSC79463  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa; B. Smith 1996-7-15 13224 Plumas Northern California. Sierra Nevada -- Plumas National Forest. Roadside near inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CAS-BOT-BC213388  Lathyrus jepsonii subsp. californicus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2203 Plumas Mouth of Butterfly Creek, Butterlfy Botanical Area and Vicinity 883 Comment
  RSA212177  Ledum glandulosum L. S. Rose 1969-6-24 69052 Plumas Butterfly Valley, 5 mi. west of Keddie Comment
  CAS-BOT-BC274338  Leersia oryzoides Lowell Ahart 1981-9-6 3116 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC534927  Lemna minuta M. S. Taylor; M. Foster 1981-2-6 3831 Plumas Spring garden quad, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  SD6678  Lepechinia calycina Mrs. R. M. Austin Jun 1883 Plumas Big Chico Creek, Big Meadow. Comment
  RSA101402  Lepidium virginicum R. Weatherby 1955-8-4 1673 Plumas No Ear Bar. Middle Fork Feather River. 915 Comment
  OBI11404  Leptosiphon bolanderi Lewis S. Rose 1967-6-2 Plumas Butterfly Valley, 3 mi. W of Keddie 1219 Comment
  POM147075  Leptosiphon ciliatus Alice Eastwood 1927-06 s.n. Plumas On road from Chilcott, United States Forest Reserve Comment
  UCD118767  Leptosiphon harknessii John Thomas Howell 1960-7-18 35556 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC342090  Leucanthemum vulgare Gladys L. Smith 1976-6-5 4541 Plumas About Quincy and north to Childs Meadows & Mineral 640 Comment
  CAS-BOT-BC508372  Leucocrinum montanum Alice Eastwood 1918-5-25 6982 Plumas Portola Comment
  RSA79886  Leucophysalis nana F. W. Peirson 1926-6-21 6796 Plumas Open flat strip along shore of Lake Almanor. Comment
  CAS-BOT-BC59620  Leucothoe davisiae Anna Head 1921-7-24 s.n. Plumas Small valley on trail to Long L. Feather River Region. Comment
  CHSC32046  Leucothoe davisiae L. Ahart 1974-10-1 653 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, 1 mi n of Onion Valley. 1981 Comment
  CHSC21711  Lewisia nevadensis F. T. Griggs; A. Pass 1975-7-17 229 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC444181  Lewisia nevadensis M. S. Taylor 1982-5-17 4460 Plumas Jct of rds 22N54 & 22N88, ca. 2 mi se of Portola, n slope of Beckwourth Peak. 1737 Comment
  SEINET10929038  Lewisia nevadensis Mary Susan Taylor 1982-5-17 Taylor 4459 Plumas T22N R14E se/se sec 6. Portola quad. Wet grassy meadow along creek, jct of rds 22N54 & 22N88, ca. 2 mi se of Portola. 5700 ft. 1737 Comment
  HSC100758  Lewisia triphylla L. P. Janeway 2011-7-6 10496 Plumas Plumas National Forest, W edge of top of Goat Mountain, 0.7 km SE of the SE side of Little Grass Valley Reservoir; 4.2 air km NNE of La Porte. 525 Comment
  CAS-BOT-BC436515  Ligusticum apiifolium David D. Keck 1932-7-3 1633 Plumas Northern Sierra Nevada: Quincy, south of town 1065 Comment
  CAS-BOT-BC436052  Ligusticum grayi Ella Dales Cantelow 1939-5-20 2565 Plumas Near Rock Creek Comment
  CAS-BOT-BC509332  Lilium kelleyanum Clarence R. Quick 1934-7-4 s.n. Plumas Headwaters of Clear Creek Comment
  CHSC44096  Lilium washingtonianum Lowell Ahart 1976-7-16 1179 Plumas Along the edge of the dirt road, about 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  UCD139759  Lilium washingtonianum J. M. Tucker 1948-7-24 1728 Plumas ca. 1/2 mile northeast of Camel Peak. 1615 Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  RSA59583  Limosella aquatica E. K. Balls 1950-9-2 15665 Plumas Along Grizzly Creek, about Grasshopper Flat, below beaver dam. 1829 Comment
  CHSC97599  Linanthus harknessii Lowell Ahart; John Dittes 2007-6-16 14093 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
  UC572490  Linanthus harknessii E. Sawyer 1935-6-27 209 Plumas w of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  CHSC59099  Linaria vulgaris Vernon H. Oswald; Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5169 Plumas Quincy-La Porte Rd. on the N edge of La Porte. 1514 Comment
  JEPS117924  Linaria vulgaris John Dittes 2005-9-30 1296 Plumas 8.3 air miles S of Diamond Mt. 4.5 air miles WxNW of Antelope Lake dam 2.7 air mile NE of Taylor Lake and 27N56 (ca. 0.5 air mile east intersection of FS Routes 27N090); Northern High Sierra Nevada Range 1944 Comment
  JEPS45745  Linum lewisii W. L. Jepson 1927-6-21 12282 Plumas Warner Creek, by Camp Lee Warner Creek 1584 Comment
  JEPS101185  Listera convallarioides Dean W. Taylor 2000-9-14 17591 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  CHSC21301  Lithocarpus densiflorus var. echinoides F. T. Griggs; A. Pass 1975-7-8 124 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC70796  Lithocarpus densiflorus var. echinoides B. Castro; L. Gehrung 1995-7-14 586 Plumas Ca 8 air mi SW of Bucks Lake, ca. 0.3 mi W of Kellogg Ravine, near W edge of USFS Rd 22N29. 1493 Comment
  SEINET6032218  Lithophragma glabrum R. J. Holl 1948-4-16 13 Plumas Grizzly Canyon, 3 miles west of Beckwouth 1615 Comment
  CHSC10632  Lithophragma tenellum Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  CHSC63272  Lithophragma tenellum Lowell Ahart 1994-6-15 7325 Plumas On west side of logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  RSA101480  Lithophragma tenellum R. Weatherby 1955-6-26 1547 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  CAS-BOT-BC317312  Lithospermum californicum Debbie Bliss 1990-8-14 s.n. Plumas Plumas National Forest, Beckwourth Ranger District, Crocker Compartment. Slope between the SE end of Lake Davis and the SW end of Crocker Mtn. 1874 Comment
  UC1509658  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas ca. 2 mi. s.e. Portola (n. side of 22N55 near its junction with 22N54 & 27N88); Portola Quad. 1706 Comment
  CHSC72419  Lomatium foeniculaceum subsp. macdougalii L. P. Janeway 1998-6-24 5668 Plumas North side of Last Chance Creek just northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  UC337569  Lomatium macrocarpum unknown Plumas Mohawk Valley Comment
  UC1143022  Lomatium nevadense var. nevadense E. Sawyer 1935-6-4 67 Plumas 7 3/4 mi. n.-n.e. Sattley; Sierraville Quad. Comment
  CHSC33620  Lomatium nudicaule M. S. Taylor; M. Foster 1981-6-3 3856 Plumas Jct of Bwckwourth -Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 Comment
  JEPS13764  Lonicera conjugialis Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 609 Comment
  UC102330  Lonicera interrupta Mrs. R. M. Austin July 1875 Plumas 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
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  UC454102  Lotus nevadensis var. nevadensis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  UCR3561  Lotus oblongifolius Wm. Horn Jr. 1963-6-19 630619- 3 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  JEPS105486  Lotus oblongifolius Holly Forbes and Barbara Keller 2003-7-9 28 Plumas along road opposite Gold Lake Staging Area Comment
  UC1129000  Lotus purshianus var. purshianus C. G. Albertus 1935-7-20 210 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  UC725324  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (on Highway 24) 868 Comment
  UC862209  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  CAS-BOT-BC60251  Lunaria annua Louella Bass 1981-4-4 s.n. Plumas Sierra Nevada. Belden Powerhouse. Comment
  UCR123904  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2001-7-6 6858 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  RSA430408  Lupinus albicaulis subsp. wolfianus M. L. Conrad, LeDoux, Kenney 1973-6-5 7050 Plumas Plumas National Forest of Hwy. 70. 1067 Comment
  SEINET5766888 Image available Lupinus albicaulis subsp. wolfianus P. Kenney, Conrad; LeDoux 1973-1 421 Plumas Hwy 89; 5 mi W of jct with Hwy 70 1067 Comment
  CHSC76131  Lupinus albifrons var. albifrons G. F. Hrusa; T. D. Wilfred 1996-8-23 13528 Plumas Sierra Nevada. Shrub alongside USFS 23N51, E side of upper Long Valley Creek above its confluence with Bull Run Creek. 1.5 mi E of Lava Peak, and 2.5 mi. NE of Cromwell townsite. [Original lat./long. on label is '39 53 N; 120 40 W']. 1650 Comment
  CHSC36202  Lupinus angustiflorus M. S. Taylor 1982-7-12 4814 Plumas Township: T22N R11E SW1/4 of SW1/4 S04 and NE1/4 of SE1/4 S05. Blue Nose Mt. Cobbly slope along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadow Rd, ca. 6 air mi w of Mohawk. 2072 Comment
  CHSC65423  Lupinus angustiflorus Vernon Oswald 1984-6-19 1293 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 7.4 mi n-e of Hwy 36. 1584 Comment
  CHSC52424  Lupinus arbustus L. P. Janeway 1990-6-8 3707 Plumas Plumas National Forest. Little Long Valley, E-facing side of canyon; along rd 23N12 ca 0.8 mi N of jct with rd 23N51. 1722 Comment
  SEINET4035611  Lupinus arbustus C. Davidson 1975-1 2745 Plumas 1 mi. on road to Dalton Creek, departing northeast from Hwy 70, 0.7-mi. east of junction of Hwy 70 and 89. 1493 Comment
  SJSU14469  Lupinus arbustus N. A. Hopkins 1990-7-1 1626 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1706 Comment
  SEINET10484723  Lupinus arbustus subsp. silvicola Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-5 Conrad 7060 Plumas On loose rocky, n-facing roadside bank, 5.2 miles w of junction of hwy 70 and Meadow valley road 305 Comment
  SEINET10484725  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-1 Taylor 4586 Plumas T26n,r9e,sec.15 center. Greenville sw quad. N side of dixie canyon road (204), Opposite round valley reservoir, ca 2 air miles w of crescent mills. Mixed Coniferous forest. With castillefa applegatei fragilis, iris hartwegii Pinetorum 1402 Comment
  CAS-BOT-BC208799  Lupinus argenteus var. heteranthus W. W. Eggleston 1927-7-15 21517 Plumas Above Laufman Ranger Station, Plumas Forest Comment
  SEINET7063469 Image available Lupinus bicolor A. G. Vestal 1947-3-31 s.n. Plumas Grassy road shoulder in Warner Valley along Warner Creek. UTM Zone 10, 643846mE, 4469696mN. (WGS84/NAD83). 1535 Comment
  SEINET8665862  Lupinus bicolor W. Harnach 2013-5-10 1345 Plumas North side of the intersection of Hwy 70 and Co. Rd. A-23, 1 mile west of Beckwourth, CA 1498 Comment
  CHSC52429  Lupinus breweri L. P. Janeway 1989-6-16 3337 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  SEINET10452630  Lupinus breweri Mary Susan Taylor 1982-6-23 Taylor 4720 Plumas T23N R10E se/sw sec 11. Blue Nose Mt quad. Flat ridge running n off 23N43Y, at loop in rd, 1.5 mi w of its jct with Peoria Cr Rd (23N10), ca. 6 air mi sw of Sloat. 4600 ft. 1402 Comment
  CAS-BOT-BC196675  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Ca 1/4 mi N of Little Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  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
  SEINET10937072  Lupinus confertus Charles Piper Smith 1921-7-17 Smith 3438 Plumas Stamplei - indian valley low lands. Comment
  CAS-BOT-BC215355  Lupinus dalesiae M. S. Taylor 1982-5-25 4526 Plumas S side of 23N12, ca. 8 miles E of its jct with 23N52, ca 0.75 mile W of McDermott Ravine, 1.5 miles NE of Sloat 1371 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215363  Lupinus dalesiae M. S. Taylor 1982-6-16 4678 Plumas N side of 24N26, 0.5 mile W of its jct with Quincy-LaPorte Road, ca. 3 miles SE of Quincy 1645 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-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CAS-BOT-BC215399  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Creek, ca. 0.1 mile N of Highway 70/89; vicinity of Long Valley, Sloat 1417 Comment
  CHSC35911  Lupinus dalesiae M. S. Taylor 1982-6-16 4688 Plumas W side of 24N13, 0.5 mi s of its jct with Quincy-LaPorte Rd, ca. 4 air mi se of Quincy. 1645 Comment
  CHSC36858  Lupinus dalesiae M. S. Taylor 1982-7-12 4817 Plumas Along Eureka Ridge, on Eureka Peak Rd (22N75Y), 0.5 mi s of its jct with McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2103 Comment
  SEINET10452036  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4686 A Plumas T23N R10E se/sw sec 8. Quincy quad. Both sides of 24N13, ca. 0.5 mi n of spur rd to Little Volcano, ca. 4 air mi se of Quincy. Alt. 5500 ft. 1676 Comment
  SEINET10452049  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4533 Plumas T23N R10E nw/nw sec 12. Spring Garden quad. Both sides of Fells Creek Rd - 23N22, 4.0 mi w of Lee Summit, ca. 2 air mi sw of Sloat. 4400 ft. Mixed Coniferous Forest. 1341 Comment
  SEINET10452056  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mt quad. S side of 23N10-Peoria Creek Rd, 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 5300 ft. 1615 Comment
  SEINET10485196  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4700 Plumas T23n r10e nw1/4ne1/4 sec 36. Blue nose mt quad. Open bare cobbly phyllite Roadcut, off spur rd from eureka ridge rd (23n09), 1.8 mi sw of eureka ridge Rd, ca 1 air mi. Sw of white cap. With apocynum pumilum, mimulus mephiticus. 1646 Comment
  SEINET10937073  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 200 07 JUN 1983 Plumas On s side of hwy 70 near gray's flat above rr tracks on cut back nest to old Country rd. In mixed conifer forest. Comment
  SEINET10937075  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24n r10e nw1/4sw1/4 sec 33. Spring garden quad. Corolla yellow. Mixed Evergreen forest, on open bare phyllite roadcut, n side of 24n26, 0.5 mi. W of Its jct with quincy-laporte rd, ca 3 mi. Se of quincy. With lathyrus Nevadensis. 1646 Comment
  RSA232880  Lupinus grayi L. S. Rose 1968-6-11 68100 Plumas Butterfly Creek, 2 miles south of Keddie. 1037 Comment
  SEINET6655077  Lupinus grayi P. Kenney, Dunn; Conrad 1973-6-5 436 Plumas Alon Hwy 70; 6 mi. S from Jct of Hwy 89 & 70.; 0 1067 Comment
  SEINET10452691  Lupinus latifolius subsp. longipes Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4667 Plumas T25N R11E sw sec 7. Greenville quad. N side of Genesee Valley Rd (112), ca. 2 mi w of Genesee. Dry forest. 3700 ft. 1128 Comment
  UCR274638  Lupinus lepidus Daisie Huang 2006-8-11 60811- 07 Plumas Hwy 89, just past the Lake Almanor spillway 1381 Comment
  CHSC40861  Lupinus lepidus var. confertus K. R. Stern 1985-6-25 8233 Plumas Vicinity of Blairsden. 1371 Comment
  JEPS113617  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2007-6-16 14119 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC83103  Lupinus lepidus var. confertus D. Cleveland 1882-7-21 135 Plumas Prattville; Prattville, Garden Enclosure Comment
  UCD150501  Lupinus lepidus var. confertus K. A. Wagnon 1967-7-11 s.n. Plumas Frenchman Creek, Plumas National Forest. Comment
  JEPS103355  Lupinus lepidus var. lobbii Lowell Ahart 2002-6-26 9780 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CHSC36216  Lupinus lepidus var. sellulus M. S. Taylor 1982-7-14 4831 Plumas Near jct of 27N92 and 26N18 in Log Valley around creek, ca. 4 air mi w of Greenville. 1676 Comment
  RSA0037136  Lupinus lepidus var. sellulus L. P. Janeway 2013-8-26 11196 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Hartman Bar Ridge along Road 22N05, 0.7 km north of Road 22N94. 1604 Comment
  RSA755467  Lupinus lepidus var. sellulus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16136 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
  UC1401227  Lupinus lepidus var. sellulus P. Kenney, Dunn, and Conrad 1973-6-5 438 Plumas along Hwy 70, 6 mi s from jct Hwy 89 and 70 1066 Comment
  CHSC62357  Lupinus obtusilobus B. Castro 1990-7-30 435 Plumas Ca 4.5 mi SW of Bucks Lake, along both sides of the Oro-Quincy Hwy near the 'French Hotel' area. 1722 Comment
  SBBG67021  Lupinus obtusilobus R. M. Austin -Apr-1877 Plumas American Valley Comment
  SEINET10452161  Lupinus obtusilobus Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4968 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
  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
  SEINET8059932  Lupinus polyphyllus var. burkei A. A. Heller, P. B. Kennedy 1907-7-15 8858 a Plumas Near mouth of Little Grizzly creek below Genessee Comment
  SEINET10488892  Lupinus sellulus John Thomas Howell 1955-7-19 Howell 30811 Plumas Vinton, California. 1509 Comment
  SEINET10488895  Lupinus sellulus Patricia L. Kenney 1973-6-5 Kenney 438 Plumas Collected along a stream along hwy. 70, 6 Mi s from jct. Of hwy. 89 And 70. Douglas fir and yellow pine. 1067 Comment
  SEINET10490883  Lupinus sellulus var. sellulus Douglas G. LeDoux, David B. Dunn; Melvin L. Conrad 1973-6-5 LeDoux 1082 Plumas Collected at jct of hw. 70 And twain road. 1067 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
  JEPS48313  Lupinus stiversii Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2698 Plumas North Fork of the Feather River at the Rock Creek; North Fork Feather River at mouth of Rock Creek 548 Comment
  JEPS114814  Luzula cascadensis Lowell Ahart 2008-8-13 15183 Plumas East of La Porte Road, along the sides 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
  RSA718438  Luzula comosa L. Ahart 2006-7-9 12932 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  CAS-BOT-BC436678  Luzula comosa var. laxa Lowell Ahart 1982-7-30 3736 Plumas 2 miles N of Ohio Ravine, about 3 miles N of the Hardquartz Mine, about 4 miles S of Bucks Lake 1700 Comment
  CHSC32020  Luzula divaricata L. Ahart 1974-10-1 647 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  JEPS101279  Luzula divaricata Dean W. Taylor 1974-10-1 5047 Plumas Wade Lake, Jamison Creek drainage, ca. 3 miles South of Plumas-Eureka State Park 1950 Comment
  RSA496340  Lysimachia nummularia Elaine Joyal, D. Mehlman 1988-6-30 1299 Plumas E of Quincy. Irrigation ditch running through heavily-used pasture, with Typha, Carex. 1200 Comment
  JEPS110332  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  CAS-BOT-BC342582  Madia Clare B. Hardham 1985-7-31 30139 Plumas Doyles Crossing, between Antelope Reservoir and Janesville Comment
  CAS-BOT-BC343785  Madia elegans David D. Keck 1932-7-3 1620 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC344469  Madia exigua Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  UC89356  Madia exigua Mrs. R. M. Austin 1879-1 Plumas Butterfly Valley Comment
  RSA670120  Madia exigua June McCaskill 326 Plumas Lake Almanor region [?] Comment
  SEINET11601357 Image available Madia exigua J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54193 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CHSC97055  Madia glomerata Lowell Ahart; Josephine Guardino 2007-7-20 14336 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  RSA201259  Madia glomerata J. T. Howell 1960-7-18 35601 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  SBBG27939  Madia glomerata D. D. Keck 1932-7-6 1715 Plumas halfway between Prattville and Chester 1340 Comment
  SD132021  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mountains,ca.12 airline miles southsouthwest Susanville, Snoring Springs 0.5 miles north of Diamond Mountain-Greenville-RedRock junctn 1980 Comment
  UC185676  Madia glomerata Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC343249  Madia gracilis John Thomas Howell 1951-6-28 27645 Plumas Johnsville 1584 Comment
  CAS-BOT-BC343272  Madia gracilis John Thomas Howell 1962-6-17 37660 Plumas Butterfly Valley 1036 Comment
  JEPS113596  Madia gracilis Lowell Ahart, Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CAS-BOT-BC343261  Madia gracilis David D. Keck 1932-7-6 1717 Plumas Halfway between Prattville and Chester 1340 Comment
  RSA715611  Mahonia aquifolium L. Ahart, John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 647 Comment
  RSA508636  Maianthemum racemosum subsp. amplexicaule Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC512088  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1927-6-11 14486 Plumas Forest Lodge, Greenville; United States Forest Reserve Comment
  CAS-BOT-BC347525  Malacothrix floccifera John Thomas Howell 1962-6-17 37671 Plumas Butterfly Valley 1036 Comment
  UC336491  Malacothrix floccifera unknown Jul. 1883 Plumas Indian Valley Comment
  SD149160  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m west of metal bridge. 1524 Comment
  CAS-BOT-BC71087  Marsilea vestita Thomas H. Kearney 1944-8-14 1 Plumas Near Prattville, Lake Almanor Comment
  UC1192367  Marsilea vestita subsp. vestita Malcolm A. Nobs and S. Galen Smith 1949-8-18 1354 Plumas s end Lake Almanor Comment
  CAS-BOT-BC269220  Melica aristata John Thomas Howell 1951-6-27 27574 Plumas Johnsville 1584 Comment
  UCD86256  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1798 Comment
  CAS-BOT-BC282095  Melica fugax Lowell Ahart 1977-6-20 s.n. Plumas About 6 miles N of La Porte 2000 Comment
  UC1137053  Melica fugax August L. Hormay Plumas Long Canyon Plumas National Forest (near plots) Comment
  CAS-BOT-BC282097  Melica fugax Herbert Thomas 1936-5-25 38 Plumas Roadside at Meadow Valley Creek Ford, 0.5 mile NW of Camp Califorest, Meadow Valley 1158 Comment
  CDA12098  Melica geyeri G. F. Hrusa, G. L. Webster 1989-5-1 7014 Plumas Sierra Nevada; Feather River near Belden. Comment
  CHSC111744  Melica harfordii Lowell Ahart 2012-7-1 18259 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. On dry bare disturbed red soil, on the sides and in the gutter of the dirt road to the large pipe. 807 Comment
  CHSC102148  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  SD46649  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  UC1191899  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1391 Plumas Last Chance Marshes at n end Lake Almanor (just s of Chester); n end Lake Almanor, Last Chance Marshes Comment
  JEPS124101  Mentzelia dispersa Lowell Ahart 2015-6-7 20212 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  NY621932  Mentzelia dispersa R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  SEINET10937489  Mentzelia dispersa Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3878 A Plumas T24N R13 E nw/ne sec 8, Grizzly Valley quad; open rocky ridgetop, ca. 1/4 mi S of Beckwourth-Genesee Valley Rd, ca. 1/4 mi SW of W end of Red Clover Valley; elevation 5600 ft. 1707 Comment
  UC1121685  Mentzelia dispersa E. Sawyer 1935-6-28 245 Plumas 1 m sw Beckwith 1524 Comment
  UC54500  Mentzelia dispersa H. M. Hall and E. B. Babcock July 1903 4418 Plumas Sierra Nevada Mountains, Warner Creek 1463 Comment
  CHSC50554  Menyanthes trifoliata Vernon Oswald 1990-6-22 4316 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. Common emergent aquatic along the marshy margin of the lake and on floating sphagnum bogs. 1767 Comment
  CHSC97384  Menyanthes trifoliata Jenny Marr; Craig Carter 2006-5-29 235 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  RSA59412  Menyanthes trifoliata E. K. Balls 1950-9-8 15713 Plumas stream to west of Lakes Center Public Campground 2043 Comment
  CHSC62583  Micranthes oregana B. Castro; J. Jurewicz 1993-7-16 482 Plumas Ca 2 air mi W of Bucks Lake, ca 1 mi N of Grizzly Ck, below USFS Rd 23N42B. In drainage. 1597 Comment
  CAS-BOT-BC349351  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC72442  Microseris nutans L. P. Janeway 1998-6-23 5652 Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. Ridge top. 1676 Comment
  CAS-BOT-BC349342  Microseris nutans Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. W of Pilot Pk. 1800 Comment
  RSA74135  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12474 Plumas Feather River Canyon at Camp Storrie. In rock crevices along Hwy 24 Comment
  JEPS80615  Mimulus cardinalis M. S. Taylor 1981-8-19 4215 Plumas ca 1.5 mi w Sloat (jct Bell Creek and rd 23N10); Blue Nose Mt. quad. 1310 Comment
  CDA9305  Mimulus cardinalis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .254 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  SEINET6225043  Mimulus guttatus L. S. Rose 1967-1 67069 Plumas N Fork, Feather River 2 mi E of Belden Comment
  UC1063102  Mimulus lewisii G. T. Nordstrom 1934-7-17 234 Plumas 1 1/2 mi s and 1/2 mi e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  SEINET10929287  Mimulus mephiticus Mary Susan Taylor 1982-7-21 Taylor 4896 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  UC726948  Mimulus moniliformis A. A. Heller 1942-8-14 16522 Plumas above Sulphur Works Checking Station (near the Brokeoff Trail); Lassen Park Comment
  UCD122820  Mimulus moschatus W. R. Powell 1968-7-2 1592 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  RSA59103  Mimulus moschatus E. K. Balls 1950-8-30 15507 Plumas 21 mi from Quincy on Hwy 24, N fork of Feather River. 762 Comment
  JEPS20829  Mimulus nanus var. mephiticus S. Galen Smith 1958-7-25 Plumas near Rich Bar (along Feather River Highway (Alt. US 40), 2.2 mi e of bridge over North Fork of the Feather River and junction of road to Caribou) 777 Comment
  RSA165579  Mimulus nanus var. mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine. 1829 Comment
  RSA488106  Mimulus nanus var. mephiticus Barbara J. Ertter 1988-7-25 7851 Plumas Diamond Mts. ca 15 airmiles due S of Susanville, sheep canyon on Pierce Creek. 1982 Comment
  UC1063557  Mimulus nanus var. mephiticus E. Sawyer 1935-6-22 200 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  POM43485  Mimulus primuloides Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek. 1524 Comment
  UCD122882  Mimulus primuloides John Thomas Howell 1960-7-23 35952 Plumas near Soda Springs, Drakesbad. 1676 Comment
  JEPS86896  Mimulus pygmaeus David M. Thompson 1988-6-9 940 Plumas 0.1 mi ssw of entrance South Almanor Campground (aloing main road, s side of lake); Lake Almanor 1390 Comment
  CHSC113635  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. 1536 Comment
  UC1778575 Image available Mimulus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas Granitic sand on N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  CAS-BOT-BC174703  Minuartia nuttallii M. S. Taylor 1982-6-1 4583 Plumas N side of 204, ca. 1 air mi se of Long Valley Mine, ca. 4 air mi w of Greenville 1524 Comment
  CAS-BOT-BC174704  Minuartia nuttallii D. A. McMillan 1915-7-15 14 Plumas Plumas National Forest. Yellow Creek ridge 1371 Comment
  CAS-BOT-BC432982  Mitella breweri Anna Head 1921-7-23 s.n. Plumas Trail to Long Lake, Feather River Region Comment
  JEPS48659  Mitella breweri Esther C. Fritz 1933-7-15 Plumas stream bank in meadow w Spanish Peak 2133 Comment
  UC1594682  Mitella breweri Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5044 b Plumas near entrance gate to Elwell Lodge (s end of campground, s margin of lake, ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd. 519)); Grass Lake, Lakes Basin Campground 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
  CDA40935  Monardella follettii L. P. Janeway 2001-8-5 7422 Plumas High Cascade Range; Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). Comment
  CHSC82106  Monardella follettii L. P. Janeway 2001-8-5 7418 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  HSC95522  Monardella follettii L. P. Janeway 1993-7-15 4439 Plumas Slope overlooking Virgilia (E Branch N Fork Feather River) at saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of E Branch N Fork Feather River) 1564 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
  JEPS63417  Monardella follettii W. I. Follett 1937-6-25 97 Plumas 1.2 mi w Meadow Valley 1127 Comment
  HSC101674  Monardella follettii Dillon North Davis 2013-7-1 35 Plumas 9.8 miles south on FS Road 25N17 from intersection with Highway 70. 1576 Comment
  SEINET10582331  Monardella follettii A. Graff 1993-7-22 Graff 316 Plumas Plumas National Forest. Meadow Valley Rd. south, .55 mile up from Union Pacific RR crossing, on the left road cut. T25N,R8E,S20. Locally infrequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  CHSC52043  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  CHSC26168  Monardella odoratissima subsp. pallida Detzer; M. Sacks 1977-7-23 10 Plumas Ca. 3.5 km ne of Squaw Pk. 1973 Comment
  RSA715685  Monardella odoratissima subsp. pallida L. Ahart, Josephine Guardino 2005-8-9 12298 Plumas on the east side of Fant Creek, on the west side of the dirt road, about 100 yards northwest of the cabin (destroyed) and corral, north of Forest Service Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1598 Comment
  SEINET12326101  Monardella odoratissima subsp. pallida W. Knight, Knight, I. 1983-1 4902 Plumas Near confluence of North Fork of Feather River and Warner Creek, between Chester and Drakesbad Comment
  CAS-BOT-BC220481  Monardella sheltonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CHSC67978  Monardella sheltonii James D. Jokerst 1989-7-3 3118 Plumas Serpentine canyon on Hwy. 70 3.0 mi E of Caribou Rd. Comment
  SJSU15284  Monardella sheltonii S. Woolhouse 2010-7-20 5 Plumas On forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  SEINET10582351  Monardella sheltonii A. Graff 1993-7-21 Graff 279 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET10582358  Monardella sheltonii A. Graff 1993-7-21 Graff 290 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  JEPS125876  Monardella stebbinsii Dean W. Taylor 2000-7-31 17536 Plumas Plumas National Forest: Feather river Canyon, along Hwy 70 at Rich Bar. Comment
  SJSU15280  Monardella stebbinsii S. Woolhouse 2010-7-25 1 Plumas Slope next to Caribou Road (some plants at eye level when standing on road) and the north fork of the Feather River. Comment
  SEINET10499745  Monardella stebbinsii Mary Susan Taylor 1981-7-18 Taylor 4056 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  PASA1146  Monardella villosa Margaret Stason 1932-6-22 Plumas Roadside, Lake Almanor Comment
  CAS-BOT-BC444743  Montia chamissoi John Thomas Howell 1960-7-18 35542 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC444744  Montia chamissoi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54107 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC445087  Montia linearis Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills Comment
  UC1136708  Montia linearis E. Sawyer 1935-6-27 181 Plumas 1.6 mi ene of Grizzly Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  CAS-BOT-BC445085  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1485 Comment
  SEINET10929031  Montia linearis Mary Susan Taylor 1982-6-12 Taylor 4646 Plumas T28N R8E nw/se sec 4. Chester quad. Meadow on n side of Hwy 36, ca. 1 mi w of Plumas-Lassen county line, e of Chester. 5000 ft. 1524 Comment
  CAS-BOT-BC262610  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC267018  Muhlenbergia filiformis Lloyd W. Swift 1932-7-11 63 Plumas Tamarack Ranger Station 1706 Comment
  CHSC74169  Muhlenbergia filiformis B. Castro; L. Gehrung 1996-8-8 711 Plumas Ca 3 air mi S of Bucks Lake, 100 ft E of USFS Rd 23N18, ca 0.5 mi S of the serpentine outcrop at jcn of Rds 23N18, 15, and 69. In meadow at northern branch of headwaters of East Branch Coldwater Creek. 1767 Comment
  JEPS28264  Muhlenbergia filiformis George W. Gillett 1957-7-9 693 Plumas confluence of Hat Creek and Lost Creek near Lassen Volcanic National Park (about 2 mi s of Big Springs) 1524 Comment
  UC424187  Muhlenbergia filiformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  UCD86681  Muhlenbergia filiformis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1367 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  RSA0106684  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas 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. 1534 Comment
  CHSC81352  Myosotis discolor L. P. Janeway 1996-5-20 4975 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  JEPS109611  Myosotis scorpioides Dean W. Taylor 2002-6-19 18165 Plumas drainage ditch forming part of Clear Stream, on the far western edge of Quincy, between the Gold Pan Motel and the fule depot, north side of Highway 70 1036 Comment
  UCD119534  Myosotis scorpioides E. K. Balls 1950-9-16 15870 Plumas 5 miles S.E. Graeagle, Hwy 89, along Sulphur Creek. 1371 Comment
  POM312423  Myosurus aristatus H. L. Mason 1953-6-16 14554 Plumas 2 miles E of Beckwourth Comment
  CAS-BOT-BC83342  Myosurus minimus Alice Eastwood 1918-5-25 7060 Plumas Portola. Comment
  SEINET8693489  Myosurus minimus W. Harnach 1989-4-16 032 Plumas Sierra Valley, Marble Lane, 0.75 W of Steel Bridge. 1487 Comment
  OBI60877  Myriopteris gracillima E. Lehto 1934-6-26 8283 Plumas Upon rock outcrops above stream bed. Frasguir creek falls, Gold Lake Road 1829 Comment
  CAS-BOT-BC456168  Najas guadalupensis M. S. Taylor 1982-7-22 4904 Plumas On Wapaunsie Creek, w side of Snake Lake Rd, 0.8 mi n of its jct with Bucks Lake Rd, ca. 1.5 mi ne of Meadow Valley. 1447 Comment
  JEPS1812  Nama aretioides var. multiflora L. S. Smith 1927-6-6 2042 Plumas road to Constantia , road to Constantia (East Soda Mts.) 1524 Comment
  JEPS3095  Nama lobbii Mrs. Emanuel Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  SEINET3887644  Narthecium californicum Lewis S. Rose 1966-7-27 66055 Plumas Butterfly Valley. 3 miles West of Keddie.; 0 1067 Comment
  CAS-BOT-BC515772  Narthecium californicum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1679 Plumas Sweetwater Meadow; Butterfly Bontanical Area and Vicinity 1127 Comment
  SEINET10448298  Nasturtium officinale Mary Susan Taylor 1982-5-23 Taylor 4509 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC113889  Navarretia capillaris Lowell Ahart 2014-8-24 19761 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC40375  Navarretia capillaris Lowell Ahart 1985-7-3 5105 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
  CHSC92183  Navarretia capillaris Lowell Ahart; John Dittes 2005-9-19 12402 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
  CHSC97194  Navarretia capillaris Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13994 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
  JEPS70285  Navarretia divaricata W. L. Jepson 1924-7-25 10644 Plumas Bucks Valley 1158 Comment
  CHSC94202  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-9 12929 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC97190  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14015 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CDA18455  Navarretia divaricata subsp. vividior G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3181 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  JEPS124118  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 -A Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  SD7412  Navarretia intertexta Daniel Cleveland 1882-7-20 Plumas Prattville Comment
  CHSC20844  Navarretia intertexta subsp. propinqua K. R. Stern 1975-7-23 5816 Plumas W shore of Lake Almanor. 1371 Comment
  JEPS28631  Navarretia intertexta subsp. propinqua George W. Gillett 1957-7-18 823 Plumas Willow Lake Meadow Lassen Volcanic National Park (n end, near the main inlet) 1661 Comment
  SBBG32371  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd, 9.5 mi NE of Quincy Junction 1249 Comment
  CHSC73971  Navarretia leptalea subsp. leptalea B. Castro; L. Gehrung, H. Durio 1996-7-3 674 Plumas Placer Diggings site, ca 4 air mi NE of La Porte, 0.5 mi SE of the South Branch of Slate Creek, and 1.6 mi W of Howland Flat, W of Co. Rd 690. Along perennial tributary to Sacketts Gulch, around edge of pond. 1566 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
  CAS-BOT-BC230398  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas Charlies Valley, W of Beckwith Buttes 1524 Comment
  SEINET10464928  Nemacladus John Thomas Howell, Gordon H. True 1967-7-11 Howell 43281 Plumas 2 miles from Quincy Junction on road to Mount Hough 1219 Comment
  JEPS14507  Nemacladus capillaris Francia Chisaki with Isabelle Tavares 1956-6-1 902 Plumas 6.7 mi w Virgilia (along State Highway 89, n of road) Comment
  RSA505402  Nemacladus interior R. C. Bacigalupi, G. T. Robbins 1955-7-22 5440 Plumas Above Rock Creek, just above its junction with the North Fork Feather River. 473 Comment
  CHSC27521  Nemophila heterophylla Michael F. Henetz 1978-4-22 19 Plumas E bank Murphy Creek. Ca/ 20 m n of Murphy Creek confluence with North Fork Feather River, ca. .4 km ne of Rock Creek Dam on Hwy. 70. 735 Comment
  RSA43305  Nemophila heterophylla W. I. Follett, E. B. Follett 1948-6-1 s.n. Plumas North Fork Feather River near junction of East Branch. Comment
  UC1523785  Nemophila pedunculata Gary Schoolcraft 1982-5-14 655 Plumas e Vinton; e of Vinton 1524 Comment
  UC174581  Nemophila pedunculata A. A. Heller and P. B. Kennedy 1907-7-4 8734 Plumas meadow two mi s Red Clover Valley; s of Red Clover Valley Comment
  CHSC48189  Nothocalais alpestris Vernon Oswald 1984-7-12 1574 Plumas Henry's Flat between Lotts Lake and Spring Valley Lake, ca. 4 mi e of Philbrook Reservoir. 1950 Comment
  SBBG21917  Nuphar polysepala D. Myrick -Jul-1964 881 Plumas Willow Lake just S of Lassen Volcanic Nat Park boundary near Drakesbad Comment
  CHSC20852  Oenothera elata subsp. hirsutissima K. R. Stern 1975-7-24 5808 Plumas E side of Lake Almanor. 1371 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
  JEPS95466  Orthilia secunda Lowell Ahart 1994-7-28 7540 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SD133971  Orthocarpus copelandii Barbara Ertter 1988-7-25 7859 Plumas Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek 1981 Comment
  SBBG100024  Orthocarpus cuspidatus subsp. copelandii B. Ertter 1988-7-25 7859 Plumas Pierce Crk, Diamond Mts, ca. 15 air mi S of Susanville Comment
  CHSC87870  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote. 1765 Comment
  JEPS62823  Orthocarpus luteus John Weiler 1970-7-1 70172 Plumas along Harriet Lane 4.1 mi n of highway 49 w Loyalton 1524 Comment
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  JEPS89337  Packera pauciflora Dean Wm. Taylor with Glenn Clifton 1990-6-26 11181 Plumas near junction of rd. A24 and Dyson Lake (in s.w. corner of the junction, Sierra Valley); Sierra Valley 1432 Comment
  JEPS113374  Paeonia brownii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14019 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC121013  Paeonia brownii J. T. Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54235 Plumas About 4 miles south of Mt. Hough Road 1645 Comment
  CAS-BOT-BC121016  Paeonia brownii Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot. 1706 Comment
  RSA39750  Paeonia brownii P. A. Munz 1947-5-16 11816 Plumas 5 miles north of Chilcoot 1524 Comment
  SJSU14348  Paeonia brownii N. A. Hopkins 1990-5-12 1611 Plumas on rd to Genessee c. 16 mi NW of Beckwourth 1676 Comment
  RSA600459  Panicum acuminatum var. acuminatum L. C. Wheeler 1959-7-14 7562 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar. Comment
  CAS-BOT-BC253742  Panicum capillare John Thomas Howell 1959-9-26 35052 Plumas Near Keddie 1005 Comment
  CHSC113896  Panicum capillare Lowell Ahart 2014-8-26 19794 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA0105479  Panicum capillare Lowell Ahart 2014-9-9 19844 Plumas On the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  UCD89595  Panicum dichotomiflorum John Thomas Howell 1959-9-26 35065 Plumas Near Virgilia. 838 Comment
  UC114925  Parnassia californica Mrs. R. M. Austin 187 Plumas California Comment
  CHSC115925  Parnassia palustris L. P. Janeway 2015-8-16 11839 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  CHSC70278  Pectiantia breweri B. Castro; R. Zebell 1989-8-3 336 Plumas Ca 2.5 air mi S of Bucks Lake, in tributary to main stream which flows southward through center of section. 1828 Comment
  RSA112884  Pedicularis aurantiaca E. F. Sprague 1957-5-30 1214 Plumas 4.2 miles west of Mineral. Lake Almanor. 1311 Comment
  UC401276  Pellaea brachyptera unknown 1890-1 Plumas 2438 Comment
  CAS-BOT-BC69361  Pellaea breweri L. P. Janeway; Laurie Lamm 1992-7-21 4270 Plumas About 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaissance Peak, above end of Road 24N91Y 2103 Comment
  CAS-BOT-BC67611  Pellaea bridgesii Robert J. Weatherby 1950-8-11 1517 Plumas Lakes Basin Area - Upper end of Long Lake 2133 Comment
  SEINET4889669  Peltandra virginica B. L. Wilson, J. Belsher-Howe, P. F. Zika 2011-8-4 16757 Plumas Plumas National Forest, Butterfly Valley Botanical Area, 1168 Comment
  RSA69124A  Penstemon deustus E. K. Balls 1950-9-2 15647 Plumas Mt. Ingalls Lookout, north of Grizzzly Valley. 2485 Comment
  RSA412525  Penstemon deustus W. I. Follett, E. B. Follett 1948-6-1 s.n. Plumas North Fork Feather River, 1.3 mi below Chip Creek. Comment
  UCSB6173  Penstemon deustus Crosswhite, F.; Russell, N. 1960-6-8 Plumas Plumas National Forest; 1 mi. S Indian Falls 1158 Comment
  CHSC89807  Penstemon deustus var. pedicellatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC117446  Penstemon deustus var. suffrutescens Lowell Ahart 2016-6-29 21075 Plumas East part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC63178  Penstemon deustus var. suffrutescens Lowell Ahart 1994-6-29 7408 Plumas North of poor loggind road, about 1/2 mile south of Bucks Lake. 1828 Comment
  NY609834  Penstemon deustus var. suffrutescens F. M. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada Comment
  CHSC92190  Penstemon gracilentus Lowell Ahart; John Dittes 2005-9-20 12449 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2049 Comment
  SEINET7948412 Image available Penstemon gracilentus N. H. Holmgren, P. K. Holmgren, D. Lepley, E. Corbin, M. Dolan 2015-7-13 16607 Plumas Sierra Nevada, North Fork Feather River Drainage, about 12.5 km (7.5 miles) air distance west-northwest of Chester (from where Feather River Drive intersects with SR 36) 1571 Comment
  UC2027984  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt Peak ca. 7 air miles S of Susanville. Comment
  NY604287  Penstemon laetus var. laetus W. L. Jepson 1939-7-31 19307 Plumas Spanish Peak, lower slopes 2011.7 Comment
  NY130451  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  NY627265  Penstemon neotericus G. Schoolcraft 1981-7-9 502 Plumas East slope of Roop Mountain 2011.7 Comment
  NY627276  Penstemon neotericus F. W. Pennell 1940-6-10 25798 Plumas Route 89, west of Almanor 1493.5 Comment
  NY627280  Penstemon neotericus D. D. Keck 1932-7-6 1719 Plumas Sierra Nevada; 12 miles west of Chester 1585.0 Comment
  NY627282  Penstemon neotericus W. W. Eggleston 08 1911 7619 Plumas Prattville 1300 Comment
  RSA739640  Penstemon neotericus B. Castro, L. P. Janeway 2005-9-11 1519 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.7 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1921 Comment
  UC423644  Penstemon neotericus David D. Keck 1930-7-24 958 Plumas halfway between Chester and Westwood; Sierra Nevada; between Chester & Westwood, Plumas Co. 1463 Comment
  CDA12150  Penstemon newberryi G. F. Hrusa, J. Dinsdale 1989-6-25 7197 Plumas Sierra Nevada; Bucks lake north shore. Comment
  HSC22972  Penstemon newberryi John Pratt 1970-6-30 54 Plumas Humboldt Summit Comment
  RSA101484  Penstemon newberryi subsp. newberryi R. Weatherby 1955-6-26 1552 Plumas Above Mud Lake, Lakes Basin Area 2195 Comment
  CAS-BOT-BC239293  Penstemon newberryi var. berryi Robert J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area 1981 Comment
  CAS-BOT-BC239294  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC239296  Penstemon newberryi var. berryi H. C. Cantelow 1938-7-5 2328 Plumas Flatiron Ridge, Drakesbad Comment
  CHSC28919  Penstemon personatus L. Hanson 1979-7-18 47 Plumas Road to Bucks Lake above Arkansas Ravine. Comment
  CHSC88981  Penstemon personatus L. Hanson 1988-8-22 329 Plumas Plumas National Forest. Buckhorn Creek. 1676 Comment
  CHSC117451  Penstemon roezlii Lowell Ahart 2016-6-29 21074 Plumas East part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC76074  Penstemon roezlii G. F. Hrusa 1997-5-30 13821 Plumas Sierra Nevada. On W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  CHSC87627  Penstemon roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10954 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  RSA71068  Penstemon roezlii L. S. Rose 1951-6-24 51067 Plumas 9 mi. east of Quincy. 1220 Comment
  CAS-BOT-BC239593  Penstemon rydbergii var. oreocharis C. R. Quick 1941-8-29 41 -59 Plumas S. of Faggs, S. of Buck's Meadows Comment
  CAS-BOT-BC239594  Penstemon rydbergii var. oreocharis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC239596  Penstemon rydbergii var. oreocharis L. S. Smith 1927-7-27 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC239605  Penstemon rydbergii var. oreocharis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC239607  Penstemon rydbergii var. oreocharis John Thomas Howell 1962-6-18 37736 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC62594  Penstemon rydbergii var. oreocharis B. Castro 1987-6-21 135 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  CHSC68884  Penstemon rydbergii var. oreocharis Vernon Oswald; Lowell Ahart 1997-6-24 8628 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  UC1523711  Penstemon rydbergii var. oreocharis Gary Schoolcraft 1981-6-17 465 Plumas sw of Portola; sw of Portola 1463 Comment
  SEINET5329700 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  SEINET6626641  Pentagramma triangularis subsp. semipallida J. T. Howell 1967-6-23 42730 Plumas Sierra Nevada, Lewisia Rock, 3.5 miles sw of Belden, Feather River Cnyon Comment
  SEINET11154263  Perideridia lemmonii S. Batiuk, A. Kowal 2011-9-1 NV 030 -636 Plumas Grizzly Creek Ranch, near administration office. 1504 Comment
  CHSC67634  Perideridia parishii subsp. latifolia James D. Jokerst 1985-7-23 2534 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 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
  CHSC113582  Persicaria lapathifolia Lowell Ahart 2014-8-24 19738 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  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
  JEPS122242  Persicaria lapathifolia Lowell Ahart 2014-9-9 19841 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CHSC113624  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CAS-BOT-BC419235  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CAS-BOT-BC419237  Persicaria maculosa John Thomas Howell 1959-9-24 34929 Plumas Junction of Indian and Spanish Creeks 914 Comment
  CAS-BOT-BC419240  Persicaria maculosa John Thomas Howell 1961-9-22 36798 Plumas Bed of Wolf Creek, Greenville 1088 Comment
  SD46514  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas In marshy field. East Quincy 1036 Comment
  CAS-BOT-BC419305  Persicaria punctata Malcom A. Nobs; S. Galen Smith 1949-8-19 1416 Plumas About 2 miles south of Greenville, Indian Valley Comment
  CAS-BOT-BC330387  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1963-5-18 s.n. Plumas Thompson Creek. Bside La Parte Road, 2.9 miles S and E of its junction with Hwy 89 1139 Comment
  UC1481983  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas 3.5 km (2.2 mi) w Belden Power House, Belden (10 m W of CA 70, on side of dirt road by Murphy Creek, Belden, Plumas National Forest); Plumas National Forest, by Murphy Creek Comment
  UC642419  Phacelia hastata A. A. Heller and P. B. Kennedy 1907-7-6 8755 Plumas Red Clover valley Comment
  RSA133987  Phacelia hastata subsp. hastata L. R. Heckard, R. C. Bacigalupi 1951-8-8 186 Plumas Sierra Valley, near Chilcoot. 1524 Comment
  UC1051774  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-20 318 Plumas about 1 mi sw Crescent Mills (just off state route 89, near Indian Creek (branch of N. Fk. of Feather River)) 1219 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
  CHSC52525  Phacelia hydrophylloides L. P. Janeway 1990-6-28 3740 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  CHSC60904  Phacelia hydrophylloides Vernon H. Oswald 1993-7-1 5628 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., ca. 0.2 mi S of the summit. 2255 Comment
  RSA74832  Phacelia hydrophylloides F. W. Peirson 1926-6-23 6831 Plumas Trail to Lassen Peak, Lassen National Park. Comment
  CHSC112609  Phacelia imbricata subsp. imbricata Lowell Ahart 2013-9-11 19033 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  RSA39781  Phacelia linearis P. A. Munz 1947-5-16 11819 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC20826  Phacelia mutabilis K. R. Stern 1975-7-25 5827 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC96852  Phacelia mutabilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14044 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CAS-BOT-BC134015  Phacelia procera Rimo Bacigalupi 1927-7-8 s.n. Plumas near Camp Elwell (Gold Lake Region) 1889 Comment
  CHSC76057  Phacelia procera G. F. Hrusa; T. D. Wilfred 1996-7-9 13193 Plumas Grizzly Campground, S of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  POM161624  Phacelia procera R. C. Bacigalupi 1927-7-8 1669 Plumas Near Camp Elwell (Gold Lake Region). 1890 Comment
  CHSC58191  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5020 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca 0.6 mi ENE of Little Willow Lake. 1767 Comment
  HSC93652  Phacelia racemosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3065 Plumas Headwaters of S Fork of Feather River, 10.6 mi. NE of La Porte on La Porte-Quincy Rd. 1890 Comment
  JEPS102766  Phalaris arundinacea Lowell Ahart 2001-8-28 9191 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile NE of Chester. 1371 Comment
  UC1035987  Philadelphus lewisii Helen K. Sharsmith 1955-6-28 4522 Plumas below Virgilia; East Branch of North Fork of Feather River 762 Comment
  CAS-BOT-BC260855  Phleum pratense Walter Knight; Irja Knight 1966-9-12 1699 Plumas Pond Reservoir, Butterfly Bontanical ARea and Vicinity 1097 Comment
  CAS-BOT-BC260857  Phleum pratense Lowell Ahart 1977-8-8 1525 Plumas 4 mi. west of Pilot Pk. 1800 Comment
  CHSC113657  Phlox diffusa L. P. Janeway 2014-5-25 11267 Plumas High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Houmboldt Peak; Pacific Crest Trail nearby. 2073 Comment
  CHSC35958  Phlox speciosa subsp. occidentalis M. S. Taylor 1982-5-25 4525 Plumas Along 23N12, 0.6 mi w of its jct with 23N52, ca. 3/4 mi w of McDermott Ravine, and 1.5 mi ne of Sloat. 1371 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
  CAS-BOT-BC60678  Phoenicaulis cheiranthoides Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  CDA25094  Phoenicaulis cheiranthoides G. D. Barbe 1982-6-9 3666 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CAS-BOT-BC135165  Phoradendron juniperinum Wayne Dakan 1968-7-1 s.n. Plumas Butterfly Valley. Sierra Nevada Comment
  JEPS95467  Phoradendron libocedri Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC142218  Physocarpus capitatus Walter Knight; Irja Knight 1966-9-12 1748 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and vicinity 1036 Comment
  OBI10125  Physocarpus capitatus Lewis S. Rose 1966-7-27 66064 A Plumas Butterfly Creek and Spanish Crk; 1 mi S of Keddie 991 Comment
  UC466695  Physocarpus capitatus H. M. Hall 1912-6-26 9394 Plumas Butterfly Valley Comment
  POM181869  Pinus contorta var. murrayana J. G. Lemmon 1889-06 s.n. Plumas Sierra Valley Comment
  UCR3597  Pinus contorta var. murrayana Wm. Horn Jr. 1963-8-13 630813- 02 Plumas S shore of Bucks Lake 1707 Comment
  CHSC84950  Pinus jeffreyi Lowell Ahart 2003-10-15 10634 Plumas On the north side of the road to Tamarack Flat, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  NY62282  Pinus jeffreyi H. E. Brown 1897-8-1 621 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78946  Pinus monticola Ahart; Jokerst 1985-10-4 5190 Plumas about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte 1828 Comment
  RSA0091369  Pinus sabiniana Bonnie C. Templeton 1968-1 11303 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC116203  Piperia unalascensis Lowell Ahart 2015-7-4 20290 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and the road to Little Grass Valley Reservoir dam. 5680 Comment
  JEPS28591  Piperia unalascensis George W. Gillett 1957-7-13 749 Plumas meadows across creek from Devil's Kitchen (Lassen Volcanic National Park); Lassen Volcanic National Park 1859 Comment
  UC127440 Image available Plagiobothrys A. A. Heller and P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Beckwith Comment
  CHSC29036  Plagiobothrys cusickii J. D. Jokerst 1979-6-23 263 Plumas At the S edge of Meadow Valley. Comment
  CAS-BOT-BC230979  Plagiobothrys hispidulus Philip A. Munz 1947-5-16 11826 Plumas 8 miles N of Chilcoot 1524 Comment
  CHSC94108  Plagiobothrys hispidulus Lowell Ahart 2006-7-9 12926 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS123959  Plagiobothrys hispidulus Lowell Ahart 2015-7-4 20281 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC20807  Plagiobothrys hispidus K. R. Stern 1975-7-23 5844 Plumas W shore of Lake Almanor. 1371 Comment
  UC573157  Plagiobothrys mollis Herbert L. Mason 1924-6-26 1093 Plumas Blairsden Comment
  CHSC118659  Plagiobothrys mollis Chelsea Morgan 2015-7-23 2015029 Plumas Plumas National Forest. Located along the northeast shore of Antelope Lake, east of Forest Service road 27N19Y. UTM 705875 E, 4451368 N, NAD83 Zone 10N. 1525 Comment
  JEPS115123  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
  RSA147083  Plagiobothrys scouleri var. hispidulus Alice Eastwood 1927-06 14446 Plumas Crescent Mills Comment
  RSA718153  Plantago major L. Ahart 2006-10-23 13482 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  SEINET10499816  Plantago major Mary Susan Taylor 1982-8-23 Taylor 5033 Plumas T25N R9E ne/ne sec 19. Almanor SE quad. Along rd on e side of Dutch Creek, just s of RR underpass (#275), ca. 1/4 mi e of Twain. 3100 ft. 945 Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  SEINET3892859  Platanthera sparsiflora D. W. McNeal 1990-7-25 3843 Plumas Beside the Rd. to the Mills Pk. Lookout (Church Meadows Rd.), 0.5 mi E of the jct. of the Gold Lake Rd.; 0 Comment
  RSA508613  Plectritis congesta R. M. Austin 1878-05 s.n. Plumas Indian Valley. Comment
  CHSC48674  Pleuricospora fimbriolata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humboldt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  CAS-BOT-BC458185  Pleuricospora fimbriolata Mrs. S. Earle Kelley 1920-7-1 s.n. Plumas Greenville Comment
  CAS-BOT-BC254765  Poa bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54399 Plumas Grizzly Summit, 6 miles SW of Bucks Lake 1676 Comment
  CAS-BOT-BC254767  Poa bolanderi John Thomas Howell 1960-7-22 35919 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CHSC97088  Poa bolanderi Lowell Ahart; Josephine Guardino 2007-7-21 14369 Plumas Around pine trees, about 20 yards north of a large meadow, about 100 yards east of the bridge, about 30 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  CHSC33877  Poa bulbosa M. S. Taylor 1981-5-11 3684 Plumas Around private residence, ca. 1/2 mi s of Flournoy Bridge and jct of Hwy 89 and Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1158 Comment
  RSA641880  Poa bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas Nat'l Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40; Comment
  SEINET10593528  Poa bulbosa R. K. Brummitt 1998-5-17 Brummitt 19879 Plumas Rte. 89 near Inkian Falls, 2 km from Rte. 70 junction; roadside shale in valley bottom. Comment
  JEPS127236  Poa cusickii subsp. cusickii Lowell Ahart 2016-6-29 21061 Plumas About 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS76243  Poa palustris W. L. Jepson 1939-8-16 19437 Plumas Portola Comment
  POM264545  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 mi west of Chester on Rte.36 1829 Comment
  SBBG671  Poa pratensis A. A. Beetle 1941-6-28 2768 Plumas W side of Lake Almanor 1219 Comment
  UCD91944  Poa pratensis R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CAS-BOT-BC247393  Poa pratensis John Thomas Howell 1960-7-18 35510 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1132685  Poa pratensis subsp. pratensis F. W. Embree 1934-6-12 Plumas w end Haskins Valley; Bidwell Bar Quadrangle Comment
  SEINET190973 Image available Poa secunda A. A. Beetle 1941-6-28 2769 Plumas West side of Lake Almanor, 1829 Comment
  UC1583948  Poa secunda subsp. juncifolia G. Schoolcraft 1990-6-4 2067 Plumas 5 mi e Beckwourth (on s side Hwy 70) 1490 Comment
  UC579310  Poa secunda subsp. juncifolia E. Sawyer 1935-6-25 153 Plumas 1 1/2 mi e Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1676 Comment
  CAS-BOT-BC242974  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC242976  Poa secunda subsp. secunda Anna Head 1921-7-18 s.n. Plumas Feather River Region. Lake Center Camp 1981 Comment
  CAS-BOT-BC242980  Poa secunda subsp. secunda Greg Sommers 1976-7-1 140 Plumas Sierra Valley Marsh, roadside along Dyson Lane 1524 Comment
  JEPS107620  Poa secunda subsp. secunda Lowell Ahart, Josephine Guardino 2005-8-9 12299 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS115948  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  JEPS115950  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  UC1221798  Poa secunda subsp. secunda A. A. Beetle 1941-6-28 2769 Plumas w side Lake Almanor 1828 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-BC244149  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CHSC110758  Poa sierrae Dean Wm. Taylor 2011-8-1 21134 Plumas Sierra Nevada. 'Lewisia Rock', 4 miles west (downcanyon) from Belden (turnoff on Highway 70), Feather River Canyon 655 Comment
  CHSC72476  Poa wheeleri L. P. Janeway 1998-6-24 5684 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  JEPS108541  Poa wheeleri L. P. Janeway, B. Castro 2006-6-3 8662 Plumas Northern High Sierra Nevada. East side of narrow drainage connecting the upper and lower parts of Thompson Valley 1676 Comment
  SEINET10537772  Polygonum Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3866 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  SEINET4335274  Polygonum A. A. Heller, P. B. Kennedy 1907-7-5 8744 Plumas Hills above Red Clover valley Comment
  SEINET10904449  Polygonum amphibium var. emersum Mary Susan Taylor 1982-9-8 Taylor 5124 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  NY407591  Polygonum bistortoides Mrs. Ames 1876-1 s.n. Plumas Comment
  RSA60017  Polygonum davisiae E. K. Balls 1950-9-1 15596 Plumas Long Lake, above east shore toward Mt. Elwell. 2104 Comment
  RSA189325  Polygonum douglasii L. S. Rose 1967-7-9 67142 Plumas Quincy. 1037 Comment
  JEPS50556  Polygonum douglasii subsp. douglasii W. L. Jepson 1939-8-4 19330 Plumas Rock Creek Meadow Valley 1219 Comment
  JEPS50570  Polygonum douglasii subsp. douglasii W. L. Jepson 1924-7-25 10647 Plumas Bucks Valley 1158 Comment
  CHSC20806  Polygonum douglasii subsp. johnstonii K. R. Stern 1975-7-23 5843 Plumas W shore of Lake Almanor. 1371 Comment
  UC465756  Polygonum douglasii subsp. spergulariiforme D. Cleveland 1882-7-24 148 Plumas Austin's Field Big Meadows Comment
  CHSC45378  Polygonum douglasii var. douglasii Vernon Oswald 1986-7-2 2182 Plumas Humboldt Rd. between Humboldt Summit and Ruffa Ranch, 0.3 mi ne of road to Eagle Rocks. 1731 Comment
  CHSC99830  Polygonum douglasii var. douglasii Lowell Ahart 2008-7-16 15095 Plumas West edge of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  POM104561  Polygonum kelloggii Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  JEPS102551  Polygonum lapathifolium Lowell Ahart 2001-10-16 9373 Plumas On the NW side of Round Valley Reservoir, just below the road, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS114615  Polygonum minimum Lowell Ahart 2008-9-10 15378 Plumas On the bottom and sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  SEINET10479656  Polygonum minimum Lowell Ahart 1985-7-11 Ahart 5139 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
  JEPS86714  Polygonum polygaloides subsp. esotericum J. C. Hickman with Susan D'Alcamo 1989-7-4 Plumas 110 m se of jct of Calpine-Beckwourth Road with Dyson Lane (w Sierra Valley); Sierra Valley Comment
  CHSC41965  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1986-7-8 5361 Plumas Around a small seep, near an open bare serpentine area, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  CHSC45865  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1974-8-3 580 Plumas In a small meadow, near the headwaters of Hopkins Creek, near Mount Etna, about 10 miles north-east of La Porte. 1828 Comment
  CHSC87816  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11054 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  CAS-BOT-BC420057  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-19 37865 A Plumas Sierra Valley, 5.8 miles e. of Beckwourth 1493 Comment
  CAS-BOT-BC421033  Polygonum spergulariiforme Thomas H. Kearney 1944-8-14 44 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC421034  Polygonum spergulariiforme A. A. Heller 1937-9-1 15344 Plumas Near the Feather River bridge at Chester 1304 Comment
  CAS-BOT-BC72041  Polypodium calirhiza John Thomas Howell 1967-6-22 42658 Plumas near mouth of Chambers Creek, canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC237461  Polypogon viridis John Thomas Howell 1959-9-26 35069 Plumas Near Soda Spring, Feather River Canyon 682 Comment
  CHSC21661  Polystichum imbricans Brink; Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC111723  Polystichum imbricans subsp. curtum Lowell Ahart 2012-7-1 18247 Plumas By large rocks, on the west side of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CHSC117008  Polystichum imbricans subsp. imbricans Lowell Ahart 2016-6-29 21058 Plumas On the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC72361  Polystichum imbricans subsp. imbricans J. Ed. McClellan; Bonnie McClellan 1968-6-14 s.n. Plumas Near Nelson Creek on road from Quincy to La Porte Comment
  UCD150216  Polystichum kruckebergii G. Ledyard Stebbins 1968-8-1 6847 Plumas East Slope of Grizzly Peak, southwest of Taylorsville. (Exact location unknown. Coordinates estimated by label maker. Note: this location taken from Stebbins's notebook. Location given on label made by Stebbins is: Devil's Punchbowl, on Grizzly Mountain, north of Quincy. Date in notebook is 3 Aug 1968 and date on label is 1 Aug 1968. Elevation in notebook is 7500 ft. and elevation on label is 7300 ft.) 2225 Comment
  CHSC63442  Polystichum lemmonii Lowell Ahart 1994-7-28 7531 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CAS-BOT-BC72508  Polystichum scopulinum John Thomas Howell; Gordon H. True 1967-7-11 43349 Plumas Summit ridge of Mt. Hough 2194 Comment
  JEPS87814  Polystichum scopulinum Lowell Ahart 1994-7-22 7492 Plumas nw side of large twin rocks on ne side of Mt, Etna (s of Pacific Crest Trail) 1981 Comment
  UC1351053  Populus tremuloides E. Fritz 1936-6-20 8226 Plumas Comment
  UC1134834  Populus trichocarpa E. Sawyer 1935-7-12 287 Plumas Kerby; Sierraville Quadrangle Comment
  UCSB22576  Populus trichocarpa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CDA39483  Populus trichocarpa L. Ahart 2001-6-4 8751 Plumas On the edge of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. Comment
  SEINET10460770  Porterella carnosula Rockwell ROCKWELL 493 Plumas Last Chance Creek 1829 Comment
  SEINET10873430  Porterella carnosula Quick 1952-9-5 QUICK 52 -308 Plumas Wet place northwest of Almanor Comment
  CAS-BOT-BC452085  Potamogeton alpinus Fred Sommers; Greg Sommers 1976-6-7 119 Plumas Along Dyson Lane, 300 m W of metal bridge. Sierra Valley Marsh. 1524 Comment
  CAS-BOT-BC267202  Potamogeton foliosus Robert J. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy 1219 Comment
  RSA52911  Potamogeton foliosus R. Weatherby 1950-7-28 1504 Plumas Marshy lake near Indian Creek, 2 miles south of Crescent Hills. 1037 Comment
  CHSC46626  Potamogeton gramineus V. Oswald; L. Ahart, L. Hanson 1989-7-31 3908 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Edge of a bog. 1670 Comment
  CAS-BOT-BC453790  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1421 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC454041  Potamogeton pusillus subsp. pusillus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  RSA0005605  Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  JEPS102811  Potentilla biennis Lowell Ahart 2001-8-29 9237 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC92194  Potentilla glandulosa subsp. ashlandica Lowell Ahart; John Dittes 2005-9-20 12458 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  CAS-BOT-BC141636  Potentilla gracilis var. elmeri Alice Eastwood 1927-6-12 14509 Plumas Forest Camp - United States Forest Reserve Comment
  CAS-BOT-BC531746  Potentilla gracilis var. elmeri Lewis S. Rose 1955-7-20 55155 Plumas Mohawk 1371 Comment
  CAS-BOT-BC539746  Potentilla gracilis var. fastigiata A. H. Kramer 1933-6-1 s.n. Plumas Lassen National Park Comment
  CAS-BOT-BC540413  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-12 2117 Plumas Butterfly Botanical Area and Vicinity, at spring 1127 Comment
  CAS-BOT-BC540414  Potentilla gracilis var. fastigiata Walter Knight; John Thomas Howell; Gordon True 1969-6-24 2466 Plumas Sierra Nevada, Butterfly Area, in vicinity of Darlingtonia Bog 1097 Comment
  CAS-BOT-BC540416  Potentilla gracilis var. fastigiata Elizabeth McClintock 1968-5-18 s.n. Plumas E of Frenchman Reservoir N of Chilcoot. 1706 Comment
  CAS-BOT-BC158522  Potentilla millefolia A. A. Heller; P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  POM34032  Potentilla palustris Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA754541  Potentilla rivalis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  SBBG121528  Potentilla rivalis L. Ahart 2007-6-17 14181 Plumas Red Clover Crk ca. 30 yards E of County Rd 111 (Beckwourth Genesee Rd), ca. 0.25 mi E of bridge across Red Clover Crk, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1654 Comment
  SJSU8591  Potentilla rivalis F. M. Stephen & R. B. Ingersoll 1966-6-11 56 Plumas meadow sloping into L Almanor 1371 Comment
  UCD113967  Poteridium annuum Tofsrud 1948-7-1 s.n. Plumas Between Meadow Valley and Bucks. Comment
  SBBG3117  Poterium sanguisorba H. and M. Dearing 1939-7-3 3814 Plumas Greenville Comment
  SEINET10498363  Prunella vulgaris subsp. lanceolata Mary Susan Taylor 1974-7-3 Taylor 303 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CHSC20991  Prunella vulgaris var. lanceolata F. T. Griggs; A. Pass 1975-7-11 156 Plumas Buck's Lake. Comment
  POM70079  Prunella vulgaris var. lanceolata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  RSA755328  Prunella vulgaris var. lanceolata L. Ahart, John Dittes 2009-7-13 16042 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  RSA59693  Prunella vulgaris var. lanceolata E. K. Balls 1950-9-9 15763 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC158595  Prunus John Thomas Howell; R. C. Barneby 1954-5-14 29550 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC158597  Prunus John Thomas Howell; R. C. Barneby 1954-5-14 29551 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC158149  Prunus emarginata R. F. Thorne; C. W. Tilforth 1969-9-6 39224 Plumas C. 2.5 mi. S. of Graeagle on Gold Lake Road 1645 Comment
  CHSC35918  Prunus emarginata M. S. Taylor 1982-5-25 4531 Plumas Jct of Peoria Creek Rd (23N10) and Cold Water Creek, 2.5 mi n of its jct with Nelson Creek, ca. 4 air mi sw of Sloat. 1463 Comment
  JEPS48882  Prunus emarginata Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  RSA59452  Prunus emarginata E. K. Balls 1950-9-2 15657 Plumas South slope of Mt. Ingalls on road to lookout, North of Grizzly Valley. 2134 Comment
  SD8440  Prunus emarginata Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  UC1128293  Prunus emarginata C. G. Albertus 1935-8-3 251 Plumas 1 1/2 mi se of Cromburg (Plumas National Forest); Plumas National Forest 1310 Comment
  CAS-BOT-BC154848  Prunus virginiana var. demissa Alice Eastwood 1918-5-25 7039 Plumas Portola Comment
  CHSC61589  Prunus virginiana var. demissa Arthur C. Barrett 1915-6-24 15 Plumas Plumas Forest. Indian Cr., near Lone Rock Cr. 1615 Comment
  JEPS102525  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CAS-BOT-BC154850  Prunus virginiana var. demissa Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 10 1/2 miles north of Quincy, Hy. 24 Comment
  CHSC81757  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-16 9370 Plumas On a bank on the south side of a small stream, and on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC357348  Pseudognaphalium microcephalum John Thomas Howell 1966-7-26 42000 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CAS-BOT-BC357350  Pseudognaphalium microcephalum Roxana S. Ferris; Laura Lorraine 1941-8-8 10412 Plumas Canyon of north fork of Feather River near Storrie Comment
  CAS-BOT-BC361680  Pseudognaphalium thermale John Thomas Howell 1975-7-22 51352 A Plumas 2 miles northwest of Spring Garden 1173 Comment
  JEPS29571  Pseudognaphalium thermale John Thomas Howell 1960-7-20 35756 Plumas Boiling Springs Lake Lassen Volcanic Park, Boiling Springs Lake 1798 Comment
  JEPS8018  Pseudognaphalium thermale Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3479 Plumas 1.3 mi e, along Highway 36 Chester; Mud Creek Valley, California State Highway 36 1380 Comment
  CDA14011  Pseudostellaria jamesiana G. F. Hrusa, T. D. Wilfred 1997-6-26 13928 Plumas Sierra Nevada; About Pine Creek at Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC110384  Pseudostellaria jamesiana Lowell Ahart 2012-9-5 18434 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of LaPorte. 1889 Comment
  RSA755004  Pseudostellaria jamesiana L. Ahart 2008-7-16 15100 Plumas West of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the south Fork of the Feather River flows into Little Grass Valley Reservoir., About 2.5 air miles north of La Porte. 1598 Comment
  RSA101456  Pseudostellaria jamesiana R. Weatherby 1955-7-2 1582 Plumas Wilcox Valley. 1768 Comment
  SD52233  Pseudostellaria jamesiana R. D. Alderson 1894-6-26 1078 Plumas Quincy Comment
  UC1950116  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17782 Plumas southeast Diamond Mountains northeast of Frenchman Lake, south branch of Galeppi Creek north of rhyolite plug (area otherwise granite) Comment
  UC1950122  Pseudostellaria jamesiana Barbara Ertter 2001-7-19 17710 Plumas southeast Diamond Mountains northeast of Frenchman Lake, upper Dooley Canyon Comment
  UC1948764 Image available Pseudostellaria sierrae Richard K. Rabeler, B. Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas Plumas County: 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. 1463 Comment
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Jun 15 2011
  NY63881  Pseudotsuga menziesii var. menziesii R. M. Austin 05 1878 s.n. Plumas Comment
  UC965585  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1952-7-17 14390 Plumas Beckwourth Sierra Nevada, Sierra Valley 1524 Comment
  RSA716592  Pteridium aquilinum var. pubescens L. Ahart, John Dittes 2005-9-19 12404 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  CAS-BOT-BC453566  Pterospora andromedea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1650 Plumas Butterfly Botanical Area and Vicinity: In area adjacent to Sweetwater Meadow 1127 Comment
  CAS-BOT-BC453563  Pterospora andromedea E. K. Balls 1950-9-1 15618 Plumas Trail from south point of Long Lake to Lakes Center Camping Ground 2011 Comment
  CAS-BOT-BC453564  Pterospora andromedea Mrs. A. L. Coombs 1906-6-1 s.n. Plumas Prattville Comment
  UCD113287  Purshia tridentata Michael A. Vincent 1999-6-7 8529 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CDA18746  Purshia tridentata var. tridentata G. D. Barbe, T. C Fuller 1982-7-16 3773 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
  UCSB22313  Purshia tridentata var. tridentata Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  RSA0081590  Pyrola aphylla Christopher Davidson 1974-7-25 2491 Plumas Ca. 5 mi. W of Westwood on St. Hwy 36. 1524 Comment
  CAS-BOT-BC462848  Pyrola asarifolia Anna Head 1920-8-1 s.n. Plumas Feather River Region, outlet of Green Lake 1920 Comment
  JEPS87737  Pyrola asarifolia subsp. asarifolia Lowell Ahart 1994-6-17 7350 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow); Sly Creek 1097 Comment
  RSA0080594  Pyrola dentata L. Ahart, John Dittes 2009-7-14 16065 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  RSA0083318  Pyrola picta E. K. Balls 1950-9-5 15683 Plumas Lower trail to Spur 5, Thompson Creek, off La Porte Rd., turn off Hwy 24, east of Quincy. 1371 Comment
  CHSC90301  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade. 1440 Comment
  JEPS108141  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4752 Plumas Northern High Sierra Nevada. On top of Lava Top, about 0.8 mi southeast of town of Cascade 1411 Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  CAS-BOT-BC93980  Quercus durata John Thomas Howell 1959-9-21 34788 Plumas Rich Bar 762 Comment
  CAS-BOT-BC93983  Quercus durata John Thomas Howell 1951-6-26 27532 Plumas near Rich Bar 792 Comment
  SEINET13953388 Image available Quercus garryana Lewis S. Rose 1951-1 51020 Plumas East Fork of the Feather River alt. 2700 ft. 823 Comment
  CAS-BOT-BC94270  Quercus garryana var. semota Lowell Ahart 1981-7-18 2936 Plumas About 50 m W of the road, about 3 miles N of Belden on Caribou Road 1200 Comment
  UCD46140  Quercus garryana var. semota W. I. Follett 1933-7-18 s.n. Plumas Rich gulch. Comment
  CAS-BOT-BC105312  Quercus kelloggii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54295 Plumas E side of Indian Valley just N of Taylorsville 1112 Comment
  UCD46621  Quercus kelloggii Dean Ahrenholtz 1964-5-9 15 Plumas Indian Creek Canyon, Plumas County, California. Comment
  SEINET5644375  Quercus kelloggii R. R. Wilson 1952-7-15 1608 Plumas 2 1/2 miles north of Greenville.; 0 Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 Comment
  CAS-BOT-BC104596  Quercus vacciniifolia Anna Head 1920-7-1 s.n. Plumas Lake Center Camp. Feather River Region 1920 Comment
  CAS-BOT-BC104605  Quercus vacciniifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54401 Plumas Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville 1554 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
  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
  UCD47449  Quercus vacciniifolia John M. Tucker 1948-7-25 1749 Plumas California, Plumas Co.; ca. 3/4 mi. west of United Mining Co. mine on southwest side of Camel Peak; Comment
  CAS-BOT-BC362685  Raillardella argentea Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC379344  Ranunculus andersonii var. andersonii G. L. Stebbins, Jr.; J. A. Jenkins 1937-5-22 2147 Plumas east side of Beckwith Peak, Sierra Valley 1820 Comment
  JEPS102519  Ranunculus aquatilis Lowell Ahart 2001-9-18 9287 Plumas Lake Davis, Freeman Creek 1758 Comment
  SBBG121280  Ranunculus aquatilis var. aquatilis L. Ahart, J. Dittes 2007-6-16 14130 Plumas S side of County Rd 111 (Beckwourth Genesee 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
  SEINET10536067  Ranunculus aquatilis var. capillaceus Mary Susan Taylor 1982-5-16 Taylor 4455 Plumas T22N R12E sw/ne sec 15. Blairsden quad. Mohawk Valley, at creek crossing rd, ca. 1/8 mi e of its jct with Hwy 89, ca. 1/4 mi n of Graeagle. 4300 ft. 1311 Comment
  CHSC81143  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-8-29 9233 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC379243  Ranunculus aquatilis var. diffusus Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CAS-BOT-BC379244  Ranunculus aquatilis var. diffusus M. S. Taylor 1982-5-16 4455 Plumas aquatic in creek crossing road, ca. 0.125 mi E of Hwy 89, ca. 0.25 mi N of Graeagle, in Mohawk Valley Comment
  CAS-BOT-BC379246  Ranunculus aquatilis var. diffusus John Thomas Howell 1960-7-23 35970 Plumas Lassen Volcanic National Park, Drakesbad, Dream Lake 1829 Comment
  CHSC20849  Ranunculus flammula var. ovalis K. R. Stern 1975-7-25 5804 Plumas N shore of Lake Almanor. 1371 Comment
  POM269883  Ranunculus hystriculus H. C. Cantelow 1940-5-12 s.n. Plumas 2 miles On N side of N Fork of Feather River Comment
  CHSC75527  Ranunculus occidentalis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3225 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  UC1126206  Ranunculus occidentalis E. Sawyer 1935-5-28 48 Plumas 3 1/4 mi ese Grizzly Pk.; Sierraville Quadrangle Comment
  UC1126207  Ranunculus occidentalis D. Axelrod 1934-6-12 41 Plumas Little Grass Valley Plumas National Forest, Downieville Quadrangle Comment
  UC118339  Ranunculus occidentalis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  UCR133521  Ranunculus occidentalis Lyman Benson 1949-6-21 13733 Plumas Cascade Range, Almanor, 1 mile west of Lake Almanor Inn [W bank of Lake Almanor], Feather River Drainage 1402 Comment
  SBBG121289  Ranunculus occidentalis var. occidentalis L. Ahart, J. Dittes 2007-6-16 14114 Plumas E of a small stream on the 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
  RSA95438  Ranunculus occidentalis var. ultramontanus J. T. Howell 1951-6-27 27621 Plumas Jamison Creek 1829 Comment
  UC1126212  Ranunculus orthorhynchus var. orthorhynchus P. G. Haddock 1938-5-29 2 Plumas Little Schneider Plumas National Forest, Bidwell Bar Quadrangle 1158 Comment
  UC118226  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC55824  Rhamnus John Thomas Howell 1977-6-21 52395 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  RSA551253  Rhamnus J. T. Howell 1976-7-20 52037 Plumas transition zone forest at S end of Lake Almanor 1372 Comment
  SD149112  Rhamnus John Thomas Howell 1976-7-14 51824 Plumas American Valley near Qunicy on road to Qunicy Junction 1036 Comment
  JEPS42001  Rhamnus californica W. L. Jepson 1939-8-8 19351 Plumas Meadow Valley 1158 Comment
  UCR179428  Rhamnus purshiana W. B. McHenry 1990-1 s.n. Plumas Northern Sierra Nevada Mountains, Bucks Lake 1646 Comment
  RSA517191  Rhamnus rubra J. T. Howell 1975-6-16 51134 Plumas Transition zone coniferous forest, 2 miles NW of Spring Garden 1174 Comment
  JEPS118735  Rhus glabra L. P. Janeway 2010-8-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. Storrie 7.5' quad. Comment
  RSA565012  Rhynchospora alba D. W. Taylor, Glenn L. Clifton 1990-8-10 11431 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CAS-BOT-BC92391  Ribes aureum var. aureum Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  CAS-BOT-BC108713  Ribes cereum M. S. Taylor 1982-8-5 4926 Plumas Mount Hough summit, ca. 7 miles north northeast of Quincy. 2203 Comment
  CAS-BOT-BC108714  Ribes cereum Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake. Comment
  CAS-BOT-BC219211  Ribes nevadense David D. Keck 1932-7-3 1628 Plumas Mountain slope S of Quincy 1066 Comment
  CAS-BOT-BC219225  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On the NW side and near summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CAS-BOT-BC219227  Ribes nevadense George W. Gillett 1957-7-19 857 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  UC566239  Ribes roezlii F. W. Embree 1934-6-6 71 Plumas s slope Bucks Mountain; Bidwell Bar Quadrangle 1524 Comment
  CAS-BOT-BC186224  Ribes roezlii var. roezlii George W. Gillett 1957-7-19 859 Plumas On trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen 2057 Comment
  CAS-BOT-BC186226  Ribes roezlii var. roezlii Elmer I. Applegate 1929-6-21 5790 Plumas Between Kelly's Camp and Drakesbad, Warner Valley, Mt. Lassen region Comment
  CHSC87612  Ribes roezlii var. roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  UC725661  Ribes velutinum A. A. Heller 1942-5-8 16469 Plumas Vinton cemetery 1524 Comment
  CAS-BOT-BC168783  Ribes viscosissimum Rimo Bacigalupi 1927-6-7 1654 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley Comment
  CHSC1668  Ribes viscosissimum 1932-5-28 Plumas Lake Almanor. 1371 Comment
  CHSC80651  Ribes viscosissimum var. hallii Lowell Ahart 2001-6-4 8753 Plumas About 1/8 mile north of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. 1615 Comment
  JEPS102426  Ribes viscosissimum var. hallii Lowell Ahart 2001-6-4 8753 Plumas About 1/8 mile north of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  CHSC87644  Ribes viscosissimum var. viscosissimum Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10912 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  CAS-BOT-BC74625  Rorippa curvisiliqua Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1443 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek. 1021 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
  UC1037329  Rorippa curvisiliqua Leo Whitney 1934-8-8 1949 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CHSC38013  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-5-10 3671 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, ca. 20 mi ne of Taylorsville. 1536 Comment
  JEPS102812  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS107497  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2005-9-19 12387 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  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
  CHSC87856  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11001 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  JEPS105837  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10953 Plumas On the southeast 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 1251 Comment
  RSA699784  Rosa bridgesii L. Ahart, J. Dittes, J. Guardino, R. Schlising 2004-7-3 11174 Plumas 1/4 mile N of Taylor rock. Ca 1 mile (air) SW of Grizzly Peak. Ca 5 miles (air) S of Taylorsville. Ca 8 miles (air) NE of Quincy. 2054 Comment
  CAS-BOT-BC148182  Rosa gymnocarpa Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge Comment
  CDA14694  Rosa gymnocarpa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  CHSC46127  Rosa gymnocarpa Lowell Ahart 1975-7-2 830 Plumas Along the edge of the dirt road, about 6 miles north of the Sly Creek Dam. 1158 Comment
  CHSC85688  Rosa pisocarpa Baldo Villegas 1999-7-8 Plumas Frenchman's Lake Rd. Comment
  CAS-BOT-BC146929  Rosa woodsii John Thomas Howell 1963-6-3 39389 Plumas Quincy 1036 Comment
  UC570220  Rosa woodsii var. ultramontana E. Sawyer 1935-6-27 171 Plumas 3 1/2 mi n Hawks; Sierraville Quadrangle 1645 Comment
  SEINET13709792  Rosa woodsii var. ultramontana Lowell William Ahart, Lowell William Ahart 2001-1 9226 Plumas Near Ramelli Creek, A Branch of Last Chance Creek, about 3 Air Mi, N of Frenchman Lake (T25N, R16E, sec 30) 5700 Ft. 1737 Comment
  CAS-BOT-BC147968  Rubus parviflorus Alice Eastwood 1927-6-11 14484 Plumas Forest Lodge near Greenville - United States Forest Reserve Comment
  CAS-BOT-BC147970  Rubus parviflorus T. C. Fuller; G. D. Barbe; John Thomas Howell 1981-6-26 54376 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy - Sierra Nevada 1600 Comment
  RSA795723  Rubus parviflorus L. Ahart, John Dittes 2009-7-27 16169 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  CAS-BOT-BC156593  Rubus ulmifolius Edward Pittman 1965-10-16 214 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  CAS-BOT-BC156918  Rubus ursinus John Thomas Howell 1967-6-23 42707 Plumas Butterfly Valley 1066 Comment
  CDA13980  Rudbeckia occidentalis var. occidentalis G. F. Hrusa 1996-8-2 13444 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  RSA232884  Rumex acetosella L. S. Rose 1968-6-10 68093 Plumas Quincy. 1037 Comment
  CAS-BOT-BC422043  Rumex acetosella Lewis S. Rose 1968-6-10 68093 Plumas Quincy 1036 Comment
  CAS-BOT-BC422046  Rumex acetosella Javier Penalosa 1962-6-19 2505 Plumas Hwy. 40-89, +- 6.2 mi. SE of Quincy. 1097 Comment
  CHSC80252  Rumex paucifolius L. P. Janeway 1996-6-5 4992 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
  CHSC20827  Rumex salicifolius var. denticulatus K. R. Stern 1975-7-24 5824 Plumas SW shore of Lake Almanor. 1371 Comment
  UCSB15922  Rumex triangulivalvis Breedlove, Dennis 1962-6-12 Plumas on northern bank of Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  CHSC82506  Sagina decumbens subsp. occidentalis Lowell Ahart; John Dittes 2002-6-17 9723 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
  JEPS51063  Sagina saginoides W. L. Jepson 1924-7-22 10617 a Plumas Middle Fork Feather R., Rich Point 1097 Comment
  RSA60244  Sagina saginoides E. K. Balls 1950-9-2 15639 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  SEINET10965518  Sagina saginoides Mary Susan Taylor 1981-7-13 Taylor 4002 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103064  Salix bonplandiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54338 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CHSC65006  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
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May 10 2012
  CHSC73435  Salix eastwoodiae H. Durio 1995-8-17 Plumas Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps.On Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jct with Rd 23N18. 1676 Comment
  UC440203  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9333 Plumas Bear Lakes 1981 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
  RSA754548  Salix exigua L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16222 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  SJSU12159  Salix exigua N. A. Hopkins 1976-6-22 834 Plumas 7 mi NE of Loyalton 1524 Comment
  CDA31985  Salix geyeriana L. Ahart, J. Dittes 2007-6-16 14128 Plumas Meadow, 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 Comment
  CAS-BOT-BC125329  Salix lasiandra var. lasiandra C. H. M. 1906-10-1 s.n. Plumas Quincy Comment
  CAS-BOT-BC107161  Salix lasiolepis var. bigelovii John Thomas Howell; H. Keith Wagnon 1980-5-28 53690 Plumas Indian Falls, near Indian Creek - Sierra Nevada 975 Comment
  CAS-BOT-BC124577  Salix lemmonii Alice Eastwood 1918-5-25 7027 Plumas Portola Comment
  UC846670  Salix lemmonii Alice Eastwood 1918-5-25 7004 Plumas Portola Comment
  SD982  Salix ligulifolia Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester, flood plain at highway bridge 1349 Comment
  UC481907  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC481908  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  RSA699789  Salix lucida subsp. lasiandra L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 Plumas About 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2140 Comment
  CAS-BOT-BC129397  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 396 Plumas North Fork of Feather River, at Chester 1350 Comment
  LA208872  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N fork of Feather River, at Chester, at hwy bridge 1350.0 Comment
  SD915  Salix melanopsis Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester, flood plain at highway bridge 1349 Comment
  CAS-BOT-BC129395  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester 1350 Comment
  JEPS14870  Salix prolixa John Warren Duffield 1937-5-30 Plumas near rd. into U. C. Forestry Camp (gravel pit n of Meadow Valley Creek, near rd. into camp) Comment
  JEPS14874  Salix scouleriana John Warren Duffield 1937-7-25 Plumas near Schneider Creek Section 26 1280 Comment
  UCD63045  Salix scouleriana Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Blackhawk Road. Butterfly Valley. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  RSA59485  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CAS-BOT-BC238839  Sambucus nigra subsp. caerulea Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CDA17237  Sanguisorba annua G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16340 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
  JEPS113525  Sanguisorba annua Lowell Ahart, John Dittes 2007-6-16 14147 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  RSA52951  Sanguisorba annua R. Weatherby 1950-7-7 1456 Plumas Gansner Creek. Quincy. 1220 Comment
  SEINET10917931 Image available Sanicula bipinnatifida A. Arthur Heller 1913-6-13 Heller 10839 Plumas Near Marston Station. 1067 Comment
  CDA18465  Sanicula graveolens G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3202 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC42666  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  CHSC82526  Sanicula graveolens L. P. Janeway 2001-7-3 7270 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA471446  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 mi W of rd to Snake Lake, departing to NW of hwy 89 ca 2 mi N of Quincy. 1273 Comment
  SD7167  Sarcodes sanguinea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1017673  Sarcodes sanguinea Marion Ownbey and Ruth P. Ownbey 1938-7-14 1741 Plumas on rd. between Jonesville and Lake Almanor (below Humboldt Summit); Sierra Nevada Comment
  POM255807  Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. 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
  RSA41968  Saxifraga californica Ella Dales Cantelow 1940-5-12 3522 Plumas Feather River Canyon. SW of Belden. Hwy 24. Comment
  UC384663  Saxifraga oregana E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  RSA0009800  Saxifraga oregana Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SEINET10329708  Schoenoplectus acutus W. Harnach, N. Harnach 1991-6-17 547 Plumas Sierra Valley, on Marble Lane 1487 Comment
  CAS-BOT-BC111572  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terrases, Drakesbad. 1737 Comment
  CHSC55807  Schoenoplectus americanus Vernon H. Oswald 1991-9-11 4865 Plumas Lassen Volcanic National Park. Hot springs terrace on the south side of the meadow at Drakesbad. Along drainages on the slope south of Hot Springs Creek. 1731 Comment
  CHSC58531  Schoenoplectus subterminalis Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5036 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). At the W end of the boggy lake. 1926 Comment
  SD130996  Schoenoplectus subterminalis Lowell Ahart 1980-9-17 2655 Plumas In lake, I(c) mile west of Fowler Park. 1600 Comment
  CHSC56891  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  UCD141263  Scirpus microcarpus Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  CDA14740  Scleranthus annuus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3282 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC214249  Scutellaria nana David D. Keck 1932-7-6 1720 Plumas 6 miles west of Chester, Sierra Nevada 1524 Comment
  RSA189341  Scutellaria siphocampyloides L. S. Rose 1967-7-11 67156 Plumas Quincy Junction. 976 Comment
  SEINET10449670  Sedum obtusatum subsp. boreale Mary Susan Taylor 1982-7-12 Taylor 4823 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  CHSC57277  Sedum obtusatum subsp. obtusatum L. P. Janeway 1984-9-1 1146 Plumas On Sierra crest southwest of Mt Elwell. 2164 Comment
  CAS-BOT-BC63844  Sedum spathulifolium Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River Region. 701 Comment
  JEPS26944  Sedum spathulifolium P. C. Hutchison 1961-6-9 2133 Plumas on road to Bucks Lake 4.5 mi w Quincy (steep shady cliff); w of Quincy Comment
  UCSB45770  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas At Injun Jim Campground, 5.7 miles south of Beldon on Highway 70 Comment
  CHSC91475  Senecio aronicoides L. P. Janeway 2005-6-26 8442 Plumas Northern High Sierra Nevada. Steep east-facing slope above Road 24N04, 0.3 km south of crossing of North Valley Creek (between North Valley Meadows and Lynch Meadows). 1347 Comment
  RSA716324  Senecio aronicoides L. P. Janeway 2005-6-26 8442 Plumas Northern High Sierra Nevada. Above road 24N04, 0.3 km south of crossing of North Valley Creek (between North Valley Meadows and Lynch Meadows). 1347 Comment
  CHSC89475  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 206 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CAS-BOT-BC363726  Senecio hydrophilus John Thomas Howell 1959-9-24 34951 Plumas Spanish Valley near Quincy 1051 Comment
  CAS-BOT-BC363799  Senecio integerrimus C. R. Quick 1957-6-15 57 -06 Plumas About 1/2 mile south of Lake Almanor Comment
  CDA19241  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller 1982-6-17 3822 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 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
  CHSC85681  Senecio integerrimus var. exaltatus G. D. Barbe; T. C. Fuller 1982-6-17 3822 Plumas Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  JEPS94641  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw Pilot Peak (slope on s side of Valley); Onion Valley 1920 Comment
  UC311602  Senecio triangularis Dr. H. M. Evans 1918-7-24 Plumas Mud Lake Tahoe region, Mud Lake Comment
  CHSC90299  Sericocarpus oregonensis L. P. Janeway 1994-8-20 4739 Plumas Northern High Sierra Nevada. About 0.5 mi northeast of Mt. Ararat; along Road 23N19 2.5 mi south of Road 23N60. 1729 Comment
  UC1585844  Sibbaldia procumbens Barbara Ertter with Gary Schoolcraft 1989-7-3 8673 Plumas ca 7 air mi s Susanville (Diamond Mt. peak, n-face); Diamond Mt. 2286 Comment
  UCD19154  Sidalcea June McCaskill 19__? 329 Plumas Lake Almanor region? Comment
  CHSC82965  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7698 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  CHSC95026  Sidalcea gigantea Lowell Ahart 2006-10-23 13461 Plumas Along a small seep, on the north side of the road to the dam across Slate Creek, about 100 yard north of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS48723  Sidalcea glaucescens John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley, Grubstake Flats Comment
  JEPS97975  Sidalcea glaucescens B. G. Baldwin 1999-6-15 1086 Plumas La Porte Road 10.9 mi S of Middle Fork Feather River crossing Quincy 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
  JEPS107629  Sidalcea oregana subsp. spicata Lowell Ahart, Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UC198515  Sidalcea oregana subsp. spicata Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC174852  Silene bernardina Clare B. Hardham 1970-8-9 17716 I. Plumas Road to Thompson Peak Lookout 2133 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
  SDSU3012  Silene bridgesii D. F. Howe 1964-7-29 3893 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  RSA101395  Silene californica R. Weatherby 1955-7-21 1649 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  CAS-BOT-BC386985  Silene douglasii Mrs. E. C. Sutcliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC386987  Silene douglasii Ahart Lowell 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  RSA502369  Silene douglasii D. W. Taylor, Ingrid Olmsted 1974-8-24 5401 Plumas Lassen National Forest: Thousand Lakes Wilderness, vicinity of Magee Peak. 2439 Comment
  SEINET10537581  Silene douglasii Mary Susan Taylor 1981-7-6 Taylor 3986 Plumas 6300 ft. T25N R15E nw/nw sec 7. Ferris Creek quad. S side of 25N84, at base of Devils Postpile type rock formation, ca. 1 mi E of Beckwourth-Milford Rd (26N70), ca. 18 air mi NE of Beckwourth. 1920 Comment
  CHSC63454  Silene invisa Lowell Ahart 1994-7-22 7502 Plumas Plumas/Sierra County. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CAS-BOT-BC389383  Silene lemmonii John Thomas Howell 1951-6-27 27558 Plumas Johnsville 1584 Comment
  CAS-BOT-BC389386  Silene lemmonii Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CDA14721  Silene lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3243 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CAS-BOT-BC389498  Silene menziesii Mrs. Jos. Clemens 1919-10-10 s.n. Plumas Taylorsville Comment
  JEPS127610  Silene nuda B. Castro with Brian Humphrey 2015-7-8 2095 Plumas W side of lower Thompson Valley ca 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 450 feet below edge of Ponderosa-Jeffrey pine forest. Comment
  RSA95419  Silene occidentalis J. T. Howell 1951-6-27 27557 Plumas Johnsville; Sierra Nevada 1585 Comment
  CHSC110762  Silene occidentalis subsp. occidentalis Dean Wm. Taylor; Tom Engstrom 2011-8-2 21138 Plumas The Sierra Nevada. Ridge 1 mile East of Fowler Peak, along the Pacific Crest Trail 0.3 trail miles E of the junction with Forest Road 22N27. 1722 Comment
  UC465660  Silene occidentalis subsp. occidentalis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC75117  Sisymbrium altissimum John Thomas Howell 1959-9-24 34917 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CAS-BOT-BC75122  Sisymbrium altissimum Anna Head 1920-6-6 s.n. Plumas Feather River Region. Camp Rodgers. Railroad cutting. 701 Comment
  POM107998  Sisyrinchium bellum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  SEINET10454699  Sium suave Mary Susan Taylor 1982-8-27 Taylor 5067 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
  NY821169  Solanum parishii R. M. Austin 07 1877 s.n. Plumas Spanish Peak Comment
  SEINET10475259  Solidago canadensis subsp. elongata Mary Susan Taylor 1981-8-20 Taylor 4232 Plumas California: T27N R8E sw1/4 of sw1/4 sec 36. Almanor NE quad. S side of Fox Road (27N92) at jct with creek, ca. 2 mi SE of Canyon Dam. Plumas County. 5000 ft. 1524 Comment
  CAS-BOT-BC365518  Solidago elongata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC60072  Solidago elongata L. P. Janeway 1992-7-1 4243 Plumas Plumas National Forest. North side of Middle Fork Feather River along drainage of Bonta Creek across gravel bar of the river. 1310 Comment
  RSA0105470  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 to South Fork of the Feather River, about 4 miles (air), north of La Porte. 1533 Comment
  UC88141  Solidago elongata D. Cleveland 1882-7-20 Plumas Prattville Comment
  CHSC99235  Solidago velutina subsp. californica John Dittes; Lowell Ahart 2005-9-19 1291 Plumas Northern High Sierra Nevada Range; ca. 7.1 air miles E x SE of Taylor Lake; disturbed open dry area just north of FS Route 27N10. 1955 Comment
  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
  UC1609493  Sparganium angustifolium Vernon H. Oswald and Lowell Ahart 1993-8-25 5854 Plumas ca 1 mi ese Spencer Meadow (ca 0.6 mi s of Lassen Peak, Ridge Lake, especially the se arm of the lake); Ridge Lake 1978 Comment
  SEINET10537502  Spergularia rubra Mary Susan Taylor 1982-9-7 Taylor 5104 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CHSC66743  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1996-8-14 8171 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. Between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. 1676 Comment
  CHSC43447  Spiraea densiflora Lowell Ahart 1974-8-3 585 Plumas East of Mount Etna, about 5 miles east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS103583  Spiraea densiflora Lowell Ahart 2002-7-2 9826 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, 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. 1606 Comment
  RSA472771  Spiraea densiflora Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  CAS-BOT-BC149636  Spiraea douglasii Peter Rubtzoff 1978-8-4 9243 Plumas West side of Hwy 89 0.2 mile north of Spanish Creek crossing (ca. 0.75 mile north of Quincy) Comment
  JEPS45010  Spiraea douglasii W. L. Jepson 1924-7-24 10635 Plumas Meadow Valley 1158 Comment
  SDSU9262  Spiraea douglasii D. F. Howe 1960-9-21 2991 Plumas 6.0 miles N of Greenville on #89. 1219 Comment
  UC335120  Spiraea douglasii J. G. Lemmon Plumas American Valley and Indian Valley; American Valley, Indian Valley Comment
  LA208285  Spiraea splendens E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CHSC102752  Spiranthes porrifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16152 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  RSA52872  Spirodela polyrhiza R. Weatherby 1950-7-28 1485 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CAS-BOT-BC5604  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Feather River near Bucks Creek power house 609 Comment
  SEINET3153393  Stachys ajugoides E. K. Balls 1950-9-15 15842 Plumas N Fork Feather River, 6 mi. NW of Chester 1402 Comment
  SD46654  Stachys palustris subsp. pilosa Robert J. Weatherby 1950-7-7 1457 Plumas Snake Lake, Quincy. 1219 Comment
  SEINET10499274  Stachys rigida Mary Susan Taylor 1981-8-19 Taylor 4216 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  SEINET9310916  Stachys rigida Unknown 2014-8-22 2014 -025 Plumas Gray Eagle Creek, Lakes Basin, Plumas National Forest Comment
  HSC93660  Stellaria borealis subsp. sitchana G. Fred Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13265 Plumas Adjacent to Bull Run Creek off USFS Rd. 23N12E 1950 Comment
  UCR263620  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas Northern Sierra Nevada Mountains, north-east of Frenchman Hill, south-west of Bucks Lake 1707 Comment
  UC120035  Stellaria longipes var. longipes Mrs. R. M. Austin Jun 1878 294 Plumas Big Meadows Comment
  CHSC80828  Stellaria obtusa Lowell Ahart 2001-7-19 8942 A Plumas Sand bar on the east side 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
  JEPS103513  Stellaria obtusa Lowell Ahart 2002-7-18 9874 Plumas Along a small upper branch of Fall River, ca 1 1/4 mile SW of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1658 Comment
  CAS-BOT-BC375053  Stenotus acaulis L. P. Janeway 1989-6-16 3327 Plumas Plumas National Forest, Beckwourth Ranger District. Northeast slope of Crocker Mountain facing Red Clover Valley 1828 Comment
  CAS-BOT-BC375054  Stenotus acaulis Emily K. Mcpherson 1976-11-7 76- 32 -5 Plumas 5 mi. north of Beckwourth 2055 Comment
  CHSC32024  Stephanomeria lactucina L. Ahart 1974-8-15 608 Plumas Along edge of rd, along Eureka Ridge w of Jonesville, ca. 10 mi s of Sloat. 1828 Comment
  OBI50217  Stephanomeria lactucina Barbara Ertter 1988-7-25 7852 Plumas Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Crk, T28N R12E sec 20 NWNE 1981 Comment
  CHSC41152  Stephanomeria tenuifolia J. D. Jokerst 1984-7-10 2092 Plumas Canyon of Indian Creek between creek and road east of Rattlesnake Ravine. 1249 Comment
  CHSC66616  Stephanomeria tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8046 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 29N11. At the junction of the road to the campground and a spur road on the N side of the meadow. 1371 Comment
  UC63151  Stephanomeria tenuifolia H. M. Hall and E. B. Babcock 1903-1 4434 Plumas Indian Valley Sierra Nevada Mountains 1097 Comment
  SEINET8077620  Stipa lemmonii var. lemmonii C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded by Plumas/Quincy Streets on N and S, Wiloow and Rock Streets on E and W). 1484 Comment
  CHSC112084  Stipa occidentalis var. californica L. P. Janeway 2014-6-23 11410 Plumas Northern High Sierra Nevada. Plumas National Forest; Secret Diggings Gravel Pit on Illinois Ridge, 2.0 air-km south of La Porte. 1476 Comment
  UCSC000141  Streptanthus amplexicaulis Unknown 1888-5-28 s.n. Plumas Thompson's Ranch Comment
  CAS-BOT-BC87787  Streptanthus tortuosus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54404 Plumas Sierra Nevada. Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville. 1554 Comment
  RSA71129  Streptanthus tortuosus L. S. Rose 1951-6-24 51074 Plumas Feather River Canyon, near Grays Flat. 823 Comment
  JEPS108761  Streptanthus tortuosus var. orbiculatus Lowell Ahart 2006-7-3 12904 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the south edge of a dry open basalt flat 1527 Comment
  UC1035977  Streptanthus tortuosus var. orbiculatus Helen K. Sharsmith 1955-6-28 4523 Plumas about one mi below Virgilia; East Branch of North Fork of Feather River 762 Comment
  JEPS87620  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas n side of trail about 3/4 mi (air) s. Pilot Peak; Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  JEPS87753  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-6-15 7331 Plumas about 1 (air) mi w; Little Grass Valley Reservoir (n side of intersection between Lumpkin Ridge Rd and road to Tamarack Flat) 1767 Comment
  CHSC26161  Symphoricarpos albus var. laevigatus Detzer; M. Sacks 1977-6-26 40 Plumas Scattered on dry slope on SW edge of Squaw Valley. 1853 Comment
  RSA59481  Symphoricarpos albus var. laevigatus E. K. Balls 1950-9-15 15868 Plumas Hwy 89, Lake Almanor to Quincy, 10 miles S of Lake Almanor. 1098 Comment
  JEPS13654  Symphoricarpos mollis W. L. Jepson 1939-8-2 19327 Plumas Meadow Valley 1158 Comment
  UC1119999  Symphoricarpos rotundifolius var. rotundifolius C. W. Hanks 1934-8-8 18 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quad. 1828 Comment
  CHSC115910  Symphyotrichum bracteolatum L. P. Janeway 2015-7-29 11809 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  UC1037324  Symphyotrichum bracteolatum Leo Whitney 1934-8-24 1892 Plumas ca. 15 mi n of, at source of Willow Creek Beckwith; Plumas National Forest, Willow Creek 1950 Comment
  UC726332  Symp