Search Results — 2000 specimen records retrieved (1411 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY29497  Abies lowiana W. W. Eggleston 08 1911 7697 Plumas Mt. Hough 1760 Comment
  RSA604696  Abies magnifica L. C. Wheeler 1952-9-24 6956 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  CAS-BOT-BC330953  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1969-6-23 45802 Plumas Sierra Nevada. 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  CAS-BOT-BC330983  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  CAS-BOT-BC330988  Acer glabrum var. glabrum Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  UC565957  Acer glabrum var. glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Bidwell Bar Quad., nw of Lexington Hill 1767 Comment
  SD7293  Acer macrophyllum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UCD117017  Acer macrophyllum Matt Georgeff 1992-5-16 12 Plumas 0.7 mile from French Bar, upstreep from French Bar along Feather Road against big sloping hill. 731 Comment
  CHSC92186  Achillea millefolium Lowell Ahart; John Dittes 2005-9-19 12406 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
  CHSC97588  Achillea millefolium Lowell Ahart; John Dittes 2007-6-16 14122 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC28736  Achillea millefolium Javier Penalosa 1962-6-19 2494 Plumas Hwy 40-89, 6.2 miles SE of Quincy 1097 Comment
  CAS-BOT-BC260433  Achnatherum hymenoides John Thomas Howell 1962-6-19 37839 Plumas The Buttes, N Sierra Valley 1493 Comment
  CAS-BOT-BC217985  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC216883  Achnatherum occidentale Clare B. Hardham 1978-8-11 218012 Plumas About 5 miles SE of Thompson Peak Comment
  SEINET5585753  Achnatherum occidentale A. A. Beetle 1941-1 2898 Plumas West side of Lake Almanor 1829 Comment
  CAS-BOT-BC210841  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-7-19 35684 A Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC73876  Achnatherum occidentale subsp. occidentale B. Castro 1997-6-9 727 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
  JEPS118388  Achnatherum occidentale subsp. occidentale Lowell Ahart 2011-9-17 17673 Plumas On bare open basalt, about 200 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 180 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1645 Comment
  CAS-BOT-BC210926  Achnatherum occidentale subsp. pubescens John Thomas Howell 1967-6-23 42721 Plumas Canyon of the East Branch of Feather River 2 miles east of Twain Comment
  CAS-BOT-BC218042  Achnatherum stillmanii Clarence R. Quick 1964-7-12 64 -79 Plumas W end of Humbug Valley 1402 Comment
  CHSC880  Acmispon nevadensis D. Crummett 1937-5-14 Plumas Feather river highway below Belden. 731 Comment
  SD50704  Aconitum columbianum Darley F. Howe 1959-8-3 2787 Plumas 30 miles of Qunicy [sic] 1372 Comment
  UCD95334  Aconitum columbianum Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  HSC93661  Aconitum columbianum subsp. columbianum G. Fred Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13271 Plumas Adjacent to Bull Run Creek off USFS Rd. 23N12E 1950 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
  CAS-BOT-BC391480  Aconitum columbianum subsp. columbianum Joseph Andorfer Ewan 1934-7-18 8545 Plumas Middle Fork Feather R. near Dentens 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-BC412610  Aconogonon alaskanum Mary Strong Clemens 1920-8-11 s.n. Plumas Greenville Comment
  CAS-BOT-BC412890  Aconogonon davisiae Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CHSC36928  Aconogonon davisiae M. S. Taylor; H. Swanson 1982-8-11 4965 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville. 2133 Comment
  CAS-BOT-BC418806  Aconogonon phytolaccifolium George W. Gillett 1957-7-19 848 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes about 1 1/4 miles above the Devils Kitchen 2057 Comment
  JEPS28620  Adenocaulon bicolor George W. Gillett 1957-7-17 803 Plumas upper Willow Lake (near the east inlet); Lassen Volcanic National Park, Willow Lake 1661 Comment
  RSA739869  Adiantum aleuticum L. P. Janeway, B. Castro 2008-10-13 9591 Plumas Soapstone Hill 7.5' Quad, Northern High Sierra Nevada, Near road 23N73Y, 3.4 road km N of Oroville Quincy Hwy and Grizzly Summit, 1.7air kim NNW of Grizzly Summit 1649 Comment
  JEPS127124  Agastache urticifolia Lowell Ahart 2016-8-30 21323 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
  SBBG29872  Agastache urticifolia E. Crum 1937-8-7 1947 Plumas 3 mi W of Lake Almanor 1524 Comment
  RSA59669  Ageratina occidentalis E. K. Balls 1950-9-9 15737 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CAS-BOT-BC29510  Agoseris Clare B. Hardham 1961-6-16 7479 Plumas Diamond Peak 2133 Comment
  CAS-BOT-BC29598  Agoseris X dasycarpa Alice Eastwood 1927-6-27 14872 Plumas Chilcott [Chilcoot], United States Forest Reserve Comment
  CAS-BOT-BC22910  Agoseris heterophylla Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2130 Plumas Butterfly Botanical Area and vicinity 1127 Comment
  RSA726286  Agoseris heterophylla L. Ahart, John Dittes 2007-6-16 14099 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CAS-BOT-BC46152  Agoseris heterophylla Anna Head 1921-6-23 s.n. Plumas Campbells Hot Springs, Feather River region Comment
  CAS-BOT-BC127597  Agropyron cristatum John Thomas Howell; H. Keith Wagnon 1980-5-28 53708 Plumas Sierra Nevada. North Fork Feather River Canyon 4 miles northeast of Pulga Bridge. Comment
  SEINET10789692  Agropyron intermedium Mary Susan Taylor 1982-1 Taylor 4761 Plumas Portola quad. Ramelli Ranch, between Calpine Rd (109) and cow pastures; ca. 1 mi w of Beckwoourth, s of Hwy 70. Sagebrush Scrub. With Perideridia, Chaenactis. 1487 Comment
  SEINET5335829  Agropyron trachycaulum var. trachycaulum M. Foster 1988-7-15 175 Plumas On either side of Big Grizzly Creek, 0.5 mile S of Walker Mine Road, 1 mile W of Lake Davis, 12 miles NNW of Portola. 1768 Comment
  CAS-BOT-BC127094  Agrostis exarata John Thomas Howell 1959-9-25 35005 Plumas Sierra Nevada. 2 miles east of Portola. 1484 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
  CHSC43234  Agrostis exarata Lowell Ahart 1987-9-22 5891 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles north-east of La Porte. 1706 Comment
  CHSC81840  Agrostis exarata Lowell Ahart 2001-10-16 9384 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. 1365 Comment
  RSA59897  Agrostis exarata E. K. Balls 1950-9-14 15820 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  CHSC70824  Agrostis idahoensis B. Castro 1994-9-9 545 A Plumas Ca 1 air mi S of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy, by springs surfacing on slope above Haskins Valley USFS Summer Hone Tract cabins. 1655 Comment
  CDA13973  Agrostis pallens G. F. Hrusa 1996-8-2 13437 Plumas Sierra Nevada; 1 mi. NW of Argentine Rock. on trib. of Squirrel Creek. Comment
  CHSC100387  Agrostis scabra Lowell Ahart 2008-9-10 15368 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  RSA52857  Agrostis stolonifera C. A. Weatherby 1950-7-17 1466 Plumas Feather River Camp., 4 miles north of Quincy 1067 Comment
  CAS-BOT-BC267055  Alisma John Thomas Howell 1959-9-21 34815 Plumas Indian Creek 914 Comment
  CAS-BOT-BC267059  Alisma John Thomas Howell 1973-7-9 49707 Plumas Crescent Milk 1066 Comment
  CHSC8757  Alisma gramineum S. Chulasmai 1966-5-13 31 Plumas Pond near Highway California 89. Comment
  CHSC108035  Alisma triviale L. P. Janeway 2011-9-22 10737 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. 1468 Comment
  CHSC43780  Alisma triviale Vernon Oswald 1984-8-14 1646 Plumas Hwy 89 at the s edge of Crescent Mills. 1071 Comment
  CAS-BOT-BC445450  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  CAS-BOT-BC459459  Allium bisceptrum Anna Head 1921-7-20 s.n. Plumas Trail head Round Lake, Feather River region Comment
  JEPS115801  Allium campanulatum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15873 Plumas About 1/3 miles (air) west of Lake Almanor Dam, east of Forest Road 27N01Y, gentle slopes south of a small stream 1462 Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  CAS-BOT-BC466608  Allium campanulatum Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk. near Onion Valley 1800 Comment
  RSA123164  Allium campanulatum B. O. Schreiber 1938-7-10 2526 Plumas 1/4 mile south of U. S. Forestry Camp near Meadow Valley. 1098 Comment
  SEINET12048126  Allium campanulatum M. Ownbey, Ownbey, G. B. 1946-1 2932 Plumas Ohio Valley near Almanor Dam Comment
  UCD143207  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-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  SEINET10471985  Allium obtusum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4328 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC36940  Allium obtusum var. obtusum M. S. Taylor 1982-5-14 4442 Plumas Along Turner Springs Rd just s of its jct with Hwy 114 (Clio-Portola Rd), ca. 2 air mi sw of Portola. 1524 Comment
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  CAS-BOT-BC474282  Allium obtusum var. obtusum Mrs. H. C. Cantelow 1938-7-4 2299 Plumas E. of Drakesbad. S. side of Soda Creek. Comment
  UC843406  Allium parvum A. A. Heller 1938-5-21 15104 Plumas on the plain about the airfield w. of Chester 1304 Comment
  SBBG22418  Allium platycaule C. B. Hardham 1961-6-16 7467 Plumas Diamond Peak [Diamond Mountain] Comment
  RSA537499  Allium platycaule Barbara Ertter, Gary Schoolcraft 1989-7-3 8654 Plumas North side of Red Rock ca 8 airmiles south of Susanville. 2287 Comment
  SEINET3880097  Allium validum D. W. McNeal 1995-7-16 4129 Plumas Along a stream ca 200 m S of the Gray Eagle trailhead on the trail go Long Lake. Plumas National Forest.; 0 Comment
  CHSC46645  Allophyllum integrifolium Lowell Ahart 1989-7-2 6356 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  RSA59689  Alnus incana subsp. tenuifolia E. K. Balls 1950-9-9 15758 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CHSC94846  Alnus rhombifolia Lowell Ahart 2006-10-8 13407 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  RSA59262  Alnus rhombifolia E. K. Balls 1950-8-31 15554 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC97556  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-17 14162 Plumas Along Red Clover Creek, about 50 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
  JEPS113752  Alopecurus aequalis Lowell Ahart, John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC36931  Amaranthus albus M. S. Taylor 1982-9-7 5098 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  SEINET7922984  Amaranthus retroflexus W. Harnach, N. Harnach 1990-7-29 484 Plumas Sierra Valley, corner of Marble Lane and County road A-23. 1490 Comment
  CAS-BOT-BC13541  Ambrosia acanthicarpa John Thomas Howell 1959-9-25 35025 Plumas Summit of Beckwourth Pass 1588 Comment
  CAS-BOT-BC142922  Amelanchier John Thomas Howell; H. Keith Wagnon 1980-5-28 53692 Plumas Open dry coniferous woods nea Twain, East Branch North Fork Feather River - Sierra Nevada 914 Comment
  UCD112870  Amelanchier alnifolia Michael A. Vincent 1999-6-7 8536 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  JEPS114421  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-7-9 15057 Plumas Steep north side of a good logging road , north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1645 Comment
  RSA641876  Amelanchier florida Michael A. Vincent 1999-6-7 8536 Plumas Along FS Rt 176 and Chance Creek at bridge, 7.1 miles N of Rt 70. Comment
  CAS-BOT-BC136780  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-7-10 2164 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area 883 Comment
  CAS-BOT-BC136786  Amelanchier utahensis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2436 Plumas Vicinity of mouth of Butterfly Creek 883 Comment
  UC1127769  Amelanchier utahensis F. W. Embree 1934-6-6 92 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  JEPS88080  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1996-8-14 8155 Plumas road paralleling creek near Greens Flat (ca. 2 air mi nw of Meadow Valley (on the Oroville-Quincy Hwy)); northern High Sierra Nevada, Spanish Creek 1127 Comment
  CAS-BOT-BC64277  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas South Fork of Feather River about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 Comment
  RSA59692  Anaphalis margaritacea E. K. Balls 1950-9-9 15761 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  SD9138  Anaphalis margaritacea R. M. Austin 1880-1 Plumas Comment
  CHSC35947  Anemone drummondii M. S. Taylor 1982-5-18 4470 Plumas Jcts of Rd 27N39 and 26N18, ca. 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1645 Comment
  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
  SD8181  Anemone quinquefolia Daniel Cleveland July 1882 Plumas Big Meadows Comment
  CHSC63444  Angelica breweri Lowell Ahart 1994-7-28 7530 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS113800  Angelica breweri Lowell Ahart, John Dittes 2007-8-9 14453 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2509 Comment
  CHSC97064  Antennaria argentea Lowell Ahart; Josephine Guardino 2007-7-21 14377 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  JEPS105970  Antennaria argentea Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10996 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC59306  Antennaria argentea H. F. Copeland 1920-7-12 106 Plumas Chaparral on Butt. Mt. 1828 Comment
  CHSC57063  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4073 A Plumas Plumas National Forest. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  CHSC57117  Antennaria geyeri L. P. Janeway 1991-8-4 4130 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  UCD128924  Antennaria geyeri G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3333 Plumas 2.5 miles southeast of Mt. Hough Summit, 0.4 mile nothwest of China Grade Road (to Taylorsville.) 1584 Comment
  CAS-BOT-BC79972  Antennaria microphylla Ella Dales Cantelow 1941-5-18 3512 Plumas 1 mil. w. of Mohawk on rd. to Johnsville 1463 Comment
  SJSU14721  Antennaria rosea N. A. Hopkins 1991-7-3 1704 Plumas by rd to Janesville, 15 mi N of its Red Clover Valley junction with Beckwourth-Genessee Road Comment
  CHSC58184  Antennaria rosea subsp. confinis Vernon H. Oswald; Lowell Ahart 1992-6-22 5021 Plumas Lassen Volcanic National Park. Ca. 0.6 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi NE of Little Willow Lake. 1767 Comment
  CHSC94663  Anthemis cotula Lowell Ahart 2006-10-8 13403 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
  UC501397  Anthemis cotula David D. Keck Jul 3 1932-Jul 5 1932 1683 Plumas Quincy Northern Sierra Nevada 1065 Comment
  POM186516  Anthemis cotula D. D. Keck 1932-7-3 1683 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  RSA71312  Antirrhinum vexillocalyculatum subsp. intermedium L. S. Rose 1951-6-29 51057 Plumas Feather River Canyon near Grays Flat. 823 Comment
  UCD169255  Apocynum androsaemifolium S. L. Welsh; N. D. Atwood 2001-6-14 28138 Plumas Roadcut, ca. 4 miles north of Beckwourth. 1481 Comment
  UCSB71626  Apocynum androsaemifolium 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  JEPS86275  Apocynum androsaemifolium W. L. Jepson 1939-8-7 19347 Plumas near University Camp (Meadow Valley); Meadow Valley 1158 Comment
  SBBG128283  Apocynum androsaemifolium L. Ahart, J. Dittes 2009-7-14 16068 Plumas SE side of Forest Service Rd 27N92, ca. 1.9 mi SE of Seneca, ca. 6 mi S of Lake Almanor Reservoir Dam 1677 Comment
  SEINET7923486  Apocynum androsaemifolium A. A. Heller, B. B. Kennedy 1907-7-8 8766 Plumas Near Greenville Comment
  RSA31685  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-7-2 s.n. Plumas 3 miles east of Quincy. 1098 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
  SEINET692084  Apocynum cannabinum Louis C. Wheeler 1959-7-15 7565 Plumas Middle Fork Feather River; McCarty Mine, McCarthy Bar Comment
  RSA14552  Apocynum pumilum var. rhomboideum Daniel Cleveland 1882-7-21 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  CHSC11354  Aquilegia formosa Lowell Ahart 1968-6-29 Plumas Six miles N.E. of La Porte. 1371 Comment
  CDA14681  Arabis constancei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  SEINET10448412  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4474 Plumas 5000 ft. T27N R8E nw/ne sec 35. Almanor NE quad. E facing serpentine slope, s side of 27N92, ca. l.5 air mi se of Canyon Dam. 1524 Comment
  JEPS2732 Image available Arabis davidsonii var. davidsonii Charlotte M. Wilder 1912-7-11 Plumas Mt. Elwell; ; Mt. Elwell, Plumas Co. Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  CDA19239  Arabis puberula G. D. Barbe, T. C. Fuller 1982-6-17 3825 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CAS-BOT-BC171674  Aralia californica David D. Keck 1932-7-3 1702 Plumas Water supply canyon to the left hand just south of town, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  SEINET2471358  Arceuthobium abietinum R. L. Mathiasen 2007-9-22 2007 -59 Plumas 1.6 km E. of Grizzly Summit; W. of Bucks Lake 1700 Comment
  CDA13596  Arceuthobium campylopodum G. F. Hrusa, T. D. Wilfred 1996-8-22 13520 Plumas Sierra Nevada; Plumas National Forest: S. end of ridge on W side of Little Long Valley Creek, about 1/2 m. N of Hwy 70 and 15 miles E of Quincy. Comment
  UC1075719  Arceuthobium campylopodum Robert J. Weatherby 1955-8-2 1667 Plumas Jeep trail from Spanish Ranch to Bean Hill Diggings Meadow Valley 1158 Comment
  CAS-BOT-BC24176  Arctostaphylos Gladys L. Smith 1976-6-7 4583 Plumas North end of summit ridge, secondary road from Rt. 70 to La Porte. 1950 Comment
  CAS-BOT-BC24203  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42196 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  RSA609442  Arctostaphylos L. C. Wheeler 1958-7-30 7354 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1584 Comment
Read comments
Mar 9 2007
  RSA122007  Arctostaphylos manzanita subsp. manzanita E. Nourse 1934-9-4 30 Plumas E. Clermont Mtn., Downieville. 2134 Comment
  CAS-BOT-BC38491  Arctostaphylos mewukka subsp. truei John Thomas Howell; Gordon H. True 1967-7-11 43287 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CAS-BOT-BC40007  Arctostaphylos nevadensis John Thomas Howell 1926-7-27 2146 Plumas Near Prattville 1676 Comment
  CAS-BOT-BC40014  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4584 Plumas North end of summit ridge, secondary road between Rt. 70 and LaPorte. 1950 Comment
  RSA59351  Arctostaphylos nevadensis E. K. Balls 1950-9-2 15624 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  SD49834  Arctostaphylos nevadensis R. Roseberry 1934-11-7 13 Plumas Downieville quadrangle, 2 mi. N of Penman Pk. 2135 Comment
  UC566019  Arctostaphylos nevadensis F. W. Embree 1934-6-6 90 Plumas Three Lakes Bidwell Bar Quadrangle 1889 Comment
  CAS-BOT-BC40002  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 34876 Plumas 3 mi. s. of Lassen Park boundary on road to Chester 1828 Comment
  UC1120794  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas sw La Porte; Plumas National Forest, Downieville Quadrangle 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
  SEINET11990943  Arctostaphylos truei W. Knight, Knight, I. 1983-1 4892 Plumas N fork of Feather River watershed, near Injun Jim Campground on US 70 732 Comment
  UCD52640  Arctostaphylos viscida C. G. Albertus 1935-7-23 227 Plumas 1/2 mile S. of Argentine 1341 Comment
  CAS-BOT-BC47030  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1906-10-1 s.n. Plumas Quincy. Comment
  RSA189355  Arctostaphylos viscida subsp. viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  UC1121435  Arctostaphylos viscida subsp. viscida E. Nourse 1934-8-14 15 Plumas 2 1/2 mi e and 6 1/2 mi s Quincy; Plumas National Forest, Downieville Quadrangle Comment
  CHSC118775  Arctostaphylos viscida subsp. viscida Wendy L. Boes 2016-8-21 2016 -036 Plumas Plumas National Forest. On a ridge between Yellow Creek and the North Fork of the Feather River along Forest Road 26N26. (UTM 650359 E, 4435221 N, NAD 83 Zone 10 North.) 1484 Comment
  CHSC61614  Argemone munita subsp. munita Arthur C. Barrett 1915-7-19 19 Plumas Along Doyle- Last Chance Road. Plumas forest. 1584 Comment
  RSA123410  Arnica chamissonis subsp. foliosa E. Sawyer 1935-7-2 272 Plumas 1 mile W of Chases 1677 Comment
  UC1119283  Arnica cordifolia E. Sawyer 1935-6-17 116 Plumas 5 mi sse Crow; Sierraville Quadrangle 1798 Comment
  CHSC58019  Arnica cordifolia var. cordifolia Vernon H. Oswald; Lowell Ahart 1992-6-2 4967 Plumas Near the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) SW of Kelly Camp in Warner Valley, between the small, mapped pond and the boundary of Lassen Volcanic National Park. 1731 Comment
  CHSC70786  Arnica dealbata B. Castro; L. Gehrung 1995-7-14 584 Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along edges of USFS Rd 22N29. 1493 Comment
  CAS-BOT-BC82494  Arnica discoidea Mary Strong Clemens 1920-6-25 s.n. Plumas Taylorsville Comment
  CHSC84892  Arnica discoidea R. D. Fischer; Jenny Marr 2003-10-20 10 Plumas Northern Sierra Nevada, off hwy 70 between Oroville and Quincy on the Yellow Creek Trail at Belden. Trailhead leading off on north end of parking lot at the PG and E powerhouse. Approx 1 1/2 miles north on tr. 1066 Comment
  JEPS107607  Arnica discoidea Lowell Ahart, Josephine Guardino 2005-8-10 12305 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 Comment
  SEINET10901560  Arrhenatherum elatius Lawrence P. Janeway 1992-6-4 Janeway 4214 Plumas Johnsville quad T22N, R12E, NW1/4 of SE1/4 of sec. 9. Wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  CHSC94863  Artemisia cana subsp. bolanderi Lowell Ahart 2006-9-21 13339 Plumas On both sides of the dirt road, about 50 yards south of the railroad tracks, about 100 yards west of Beckwourth Calpine Road, about 3/4 mile (air) southwest of Beckwourth, Sierra Valley. 1483 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
  CAS-BOT-BC499170  Artemisia douglasiana W. Harnach; N. Harnach 1989-6-17 150 Plumas Sierra Valley, approx. 200 ft. W of the steel bridge on Mrable lane 1487 Comment
  CAS-BOT-BC90410  Artemisia douglasiana Albert Gould; J. D. Schoelier 1928-7-18 363 Plumas Plumas National Forest, Crocker Ridge-Grizzly cut off 1950 Comment
  CAS-BOT-BC90568  Artemisia dracunculus M. S. Taylor 1982-9-13 5130 Plumas Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  CHSC51250  Artemisia tridentata Lowell Ahart 1990-9-19 6596 Plumas On the north side of Bird Creek, about 1/2 mile south of the Cleghorn Bar Road, about 3 miles north-west of Pilot Peak. 1737 Comment
  CHSC55180  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 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
  SEINET10937933  Asarum lemmonii Mary Susan Taylor 1974-7-3 Taylor 304 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  RSA754532  Asclepias cordifolia L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15851 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET10496160  Asclepias fascicularis Mary Susan Taylor 1981-9-14 Taylor 4279 Plumas California: Plumas: T25N R9E nw1/4 of ne1/4 sec 9. Greenville SW quad. W side of Hwy 89, ca. 1 air mi N of Hwy 70, ca. 10 air mi W of Quincy (across from Travertine Quarry). 3000 ft. 914 Comment
  UC1440101  Aspidotis densa C. D. MacNeill 1978-7-7 Plumas 4 air mi nne Belden (near Queen Lily Campground); N Fork Feather River 792 Comment
  CAS-BOT-BC97460  Aster Clare B. Hardham 1985-8-1 30158 Plumas Antelope Reservoir 1584 Comment
  CHSC85000  Aster alpigenus var. andersonii L. P. Janeway; B. Castro 2003-9-7 7982 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. 2063 Comment
  CDA14224  Aster eatonii G. F. Hrusa, T. D. Wilfred 1996-8-23 13529 Plumas Sierra Nevada; Upper Long Valley Creek below confluence with Bull Run Creek. 1 mi. E of Lava Peak, & 2 mi. NE of Cromwell townsite. Along old 12E19 pack trail, now largely unused in upper parts. Comment
  CDA10244  Aster eatonii J. S. Buckett Oct 1959 Plumas ? Nelson Creek Area? ca. 10 miles west of Johnsville. 0 Comment
  CHSC66690  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8098 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. 1188 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
  SEINET10872006  Aster elatus Mary Susan Taylor 1982-8-4 Taylor 4915 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  RSA537713  Aster integrifolius Barbara Ertter 1988-7-25 7856 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  CHSC57428  Astragalus lentiformis L. P. Janeway; Garrett Gibson 1991-6-13 4003 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CAS-BOT-BC187163  Astragalus lentiginosus var. floribundus John Thomas Howell 1962-6-19 37877 Plumas Chilcoot 1524 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  JEPS100349  Astragalus pulsiferae var. pulsiferae Dean W. Taylor 2001-6-28 17815 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 just southeast of the lake 1859 Comment
  CHSC118065  Astragalus pulsiferae var. pulsiferae R. Ondricek-Fallscheer 1999-6-26 194 Plumas About 6 1/2 air mi ENE of Beckwourth and 2 1/2 air mi N of Hwy 70; ca. 25 ft. N (upslope) from USFS Rd. 23N71 and 150 ft. E of the stream which is in the steep ravine. Slope 20%. 1645 Comment
  RSA641475  Astragalus purshii var. purshii Michael A. Vincent 1999-6-7 8521 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11; [FS t. lemmonii occurence site TR-3] Comment
  SBBG25923  Astragalus purshii var. tinctus C. B. Hardham 1961-6-16 7445 Plumas Diamond Peak [Diamond Mountain] 2255 Comment
  CAS-BOT-BC200864  Astragalus webberi W. I. Follett 1930-5-20 s.n. Plumas Near Vigilia 822 Comment
  POM117883  Astragalus webberi Joseph Clemens 1920-5-11 s.n. Plumas Taylorvile. Comment
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 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
  SEINET10899693  Athyrium filix-femina var. californicum Mary Susan Taylor 1981-8-19 Taylor 4222 Plumas California: T23N R11E nw1/4 of se 1/4 sec 18. Blue Nose Mt quad. S side of 23N10, 0.3 mi E of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  CHSC30852  Athyrium filix-femina var. cyclosorum L. Ahart 1980-9-17 2653 Plumas Ca. 0.5 mi w of Fowler Peak. 487 Comment
  RSA0039308  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-8-14 15208 Plumas About 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  SD9787  Athyrium filix-femina var. cyclosorum Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  UCD97664  Atriplex rosea John Thomas Howell 1959-9-24 34969 Plumas Beckwourth. 1487 Comment
  SJSU4146  Balsamorhiza hookeri C. W. Sharsmith & W. Savage 1967-5-20 7515 Plumas near S base of The Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CHSC57255  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1991-5-29 3972 Plumas Plumas National Forest. Red Clover Valley; along Beckwourth-Genesee Road (road 111) 1.0 mi northwest of the old Clover Valley Ranch buildings. 1664 Comment
  UC579644  Balsamorhiza sagittata E. Sawyer 1935-5-21 2 Plumas 3/4 mi sw of Beckwith 1493 Comment
  CAS-BOT-BC16560  Barbarea orthoceras John Thomas Howell 1960-7-18 35530 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC81354  Barbarea orthoceras L. P. Janeway 1996-5-13 4965 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  POM186829  Beckmannia syzigachne D. D. Keck 1932-7-5 1688 Plumas Quincy, Northern Sierra Nevada. 1067 Comment
  POM106525  Betula nana Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UCD98843  Bistorta bistortoides Michael A. Vincent 1999-6-8 8545 Plumas Red Clover Valley, along FS Rt. 70, 0.5 mile north of FS 177/CA 111. Comment
  CHSC84416  Blepharipappus scaber Lowell Ahart; John Dittes 2003-8-8 10484 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  CAS-BOT-BC128025  Blepharipappus scaber H. M. Hall; E. B. Babcock 1903-7-1 4465 Plumas Sierra Valley Comment
  CAS-BOT-BC128029  Blepharipappus scaber W. Harnach; N. Harnach 1990-8-27 522 Plumas Sierra Valley. Intersection of Co. Rd. A-23 and Marble Lane 1489 Comment
  SEINET10474480  Blepharipappus scaber Mary Susan Taylor 1982-6-28 Taylor 4765 A Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC16873  Boechera John Thomas Howell 1976-7-16 s.n. Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC16144  Boechera constancei Wayne Dakan 1974-6-23 s.n. Plumas Sierra Nevada. Long Valley. Comment
  CHSC33869  Boechera constancei M. S. Taylor 1981-5-8 3649 Plumas At jcts of rds 26N18, 26N92, and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CAS-BOT-BC14262  Boechera pinetorum Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1.5 miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  CHSC53192  Boechera pinetorum L. P. Janeway 1989-6-20 3357 Plumas Plumas National Forest. East-facing slope near top of Crocker Mtn. 2026 Comment
  CHSC89292  Boechera pinetorum G. Douglas Barbe; T. C. Fuller 1982-7-15 3747 Plumas Sierra Nevada. Road cut, 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  JEPS107621  Boechera pinetorum Lowell Ahart, Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  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
  CHSC53056  Boechera platysperma L. P. Janeway 1989-7-6 3455 Plumas Plumas National Forest Beckwourth Ranger District Jackson. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 0.7 mi on rd 23N48. 1645 Comment
  CHSC82459  Boechera platysperma John Dittes; Josephine Guardino 2002-7-2 Plumas North of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1584 Comment
  JEPS90247  Boechera platysperma Dean W. Taylor 1974-10-1 5059 Plumas 3 mi s of Plumas-Eureka State Park (Northern Sierra Nevada, Wade Lake, Jamison Creek drainage); Northern Sierra Nevada, Wade Lake 2000 Comment
  CHSC101786  Boechera rectissima Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15857 Plumas Along the north road edge, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC67754  Boechera rectissima J. D. Jokerst 1984-6-13 2050 Plumas Along the south edge of spur 'C' of USFS road 26N08 ca 150 meters below junction of spur and main road. South of Grizzly Creek. Ca 2 air miles east of Peacock Point. 1432 Comment
  CAS-BOT-BC14660  Boechera rectissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54234 Plumas Sierra Nevada. About 4 miles southeast of Mount Hough on the road to Quincy. 1645 Comment
  SEINET5325195  Boechera rectissima R. C. Rollins, Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi NW of Beckwourth Comment
  CHSC67643  Boechera retrofracta J. D. Jokerst 1984-5-13 2006 Plumas East end of Genesee Valley, between Indian Creek and the Indian Cr Rd. 1249 Comment
  CAS-BOT-BC25726  Boechera sparsiflora Anna Head 1920-6-6 s.n. Plumas Feather River Region. Camp Rodgers. 701 Comment
  CAS-BOT-BC25890  Boechera subpinnatifida M. S. Taylor 1981-6-2 3820 Plumas North side of Highway 70, on east side of Squirrel Creek, northeast of Spring Garden over pass. 1219 Comment
  JEPS95600  Boechera suffrutescens Lowell Ahart 1994-6-29 7409 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  CAS-BOT-BC25927  Boechera suffrutescens Lowell Ahart 1986-7-8 5363 Plumas Sierra Nevada. South of where the road crosses Onion Valley Creek, ca. 1 mile northwest of Pilot Peak. 1920 Comment
  POM310936  Boisduvalia densiflora var. densiflora H. L. Mason 1952-7-17 14380 Plumas Sierra Nevada: Along Western Pacific tracks just south of Beckwourth, Sierra Valley. 1524 Comment
  RSA512853  Boisduvalia glabella J. T. Howell 1961-9-24 36903 Plumas Sierra Nevada: Feather River bed southwest of Beckworth. 1488 Comment
  SEINET3149566  Boisduvalia stricta E. K. Balls 1950-9-14 15807 Plumas 6 miles NW of Chester, N Fork Feather River 1402 Comment
  CHSC100335  Botrychium simplex var. compositum Lowell Ahart 2008-7-16 15106 Plumas Open basalt area in forest, in a small meadow, about 220 yards southeast of the intersection to Lumpkin Ridge Road and the road to Tamarack Flat, about one mile northwest of the Dam (Little Grass Valley Reservoir), about 4 miles (air) northwest of La Porte. 1744 Comment
  CHSC61381  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-11 5786 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. 1839 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
  JEPS99045  Botrychium simplex var. compositum Lowell Ahart, John Dittes, Josephine Guardino 2002-7-2 9796 Plumas 1 mi SE of Tamarack Flat (5 air mi NW of La Porte); Lumpkin Ridge Road 1723 Comment
  CAS-BOT-BC106232  Brickellia californica John Thomas Howell 1959-9-21 34774 Plumas Dry rocky river bench, N. Fk. Feather River near Belden 701 Comment
  CHSC69698  Brickellia californica Vernon H. Oswald; Lowell Ahart 1997-8-19 8870 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. 627 Comment
  CAS-BOT-BC127778  Brickellia grandiflora M. S. Taylor; H. Swanson 1982-8-11 4972 Plumas Along n side of Jamison Creek Rd (507), on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville 1798 Comment
  CHSC34290  Brickellia greenei M. S. Taylor 1981-8-25 4243 Plumas N side of 26N22F - Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Beldon. 1615 Comment
  CHSC42031  Brickellia greenei Lowell Ahart 1986-9-10 5393 Plumas Along the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles northeast of La Porte. 1706 Comment
  SEINET10474491  Brickellia greenei Mary Susan Taylor 1981-8-25 Taylor 4243 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  CAS-BOT-BC484593  Brodiaea purdyi John Thomas Howell 1955-7-20 30866 Plumas Mohawk 1371 Comment
  CAS-BOT-BC149493  Bromus arvensis Fred Sommers; Greg Sommers 1976-7-15 175 Plumas Sierra Nevada. Sierra Valley Marsh, along Marble Lane near Hot Springs. 1487 Comment
  CAS-BOT-BC149317  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-11 43360 Plumas Sierra Nevada. Southeast slope of Mount Hough. 2042 Comment
  CAS-BOT-BC149323  Bromus carinatus var. carinatus John Thomas Howell 1959-9-24 34904 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  UC682036  Bromus carinatus var. carinatus Jack R. Harlan 1942-6-10 10 Plumas Meadow View Ranger Station 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
  CAS-BOT-BC148706  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35930 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC155974  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Sierra Nevada. Canyon at Butterfly Creek. 1036 Comment
  UCD58435  Bromus commutatus Lewis S. Rose 1968-6-10 68087 Plumas Quincy. 1036 Comment
  UC1131166  Bromus diandrus G. T. Nordstrom 1934-7-10 213 Plumas 2 1/2 mi sw of Gravel Range; Plumas National Forest 1493 Comment
  UCD58849  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43377 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CHSC97510  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2007-6-17 14190 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS113830  Bromus inermis subsp. inermis Lowell Ahart, John Dittes 2007-6-17 14190 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC155348  Bromus japonicus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2169 Plumas Sierra Nevada. Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CHSC76153  Bromus japonicus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3328 Plumas Forest land 4.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake. 1661 Comment
  CAS-BOT-BC162155  Bromus orcuttianus John Thomas Howell 1973-7-9 49722 Plumas Sierra Nevada. Round Valley. 1371 Comment
  CAS-BOT-BC162159  Bromus orcuttianus Walter Knight; Irja Knight 1966-6-18 1628 Plumas Butterfly Botanical Area and Vicinity. In area north of Pond Reservoir. 1097 Comment
  CHSC40996  Bromus orcuttianus J. D. Jokerst 1984-7-10 2096 Plumas Along the edges of Indian Creek, east of Rattlesnake Ravine and Genesee Valley. 1264 Comment
  CHSC65874  Bromus orcuttianus L. P. Janeway 1995-8-24 4900 Plumas Near head of small western tributary to Willow Creek; 0.6 mi east of Penman Saddle. Roadside. 1935 Comment
  JEPS115888  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-15 16092 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  RSA184943  Bromus orcuttianus L. S. Rose 1966-7-27 66060 Plumas Butterfly Valley, 3 mi. w. of Keddie 1067 Comment
  UCD59258  Bromus orcuttianus G. L. Stebbins Jr. 1939-7-7 2914 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Comment
  UCD59263  Bromus orcuttianus James I. Mallory 1969-8-21 359 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CAS-BOT-BC162012  Bromus racemosus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1637 Plumas Butterfly Botanical Area and Vicinity. Area at north of Pond Reservoir. 1097 Comment
  JEPS107646  Bromus suksdorfii Lowell Ahart, Josephine Guardino 2005-8-9 12259 Plumas In a small meadow, 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
  CAS-BOT-BC161351  Bromus tectorum John Thomas Howell 1977-6-20 52410 Plumas SIerra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC185650  Bromus tectorum C. R. Quick 1957-6-15 57 -07 Plumas About 0.5 mile south of Lake Almanor. Comment
  CHSC55636  Bromus tectorum K. R. Stern 1985-6-25 8294 Plumas Vicinity of Blairsden. 1402 Comment
  UC1131288  Bromus tectorum C. W. Hanks 1934-8-7 12 Plumas Plumas National Forest, nw end of Sierra Valley Sierra Valley; Plumas National Forest, Sierra Valley 1584 Comment
  UCD40293  Bromus tectorum Rodney Gale Myatt 1971-6-13 742 Plumas 1 mile below Layman Road, north of Quincy, and on the north side of Hwy 70. (Note that this location is south of Quincey road and on the south side of Hwy 70). 1036 Comment
  CHSC80902  Bromus vulgaris Lowell Ahart 2001-7-19 8949 Plumas On the sides of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS120563  Calamagrostis canadensis B. Castro and L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. Comment
  UC1564756  Calamagrostis canadensis V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3905 Plumas 6.5 mi (air) N of La Porte (lake at the headwaters of Fowler (Slate) Creek; 0.5 mi (air) W of Fowler Peak) Comment
  UCD57215  Calamagrostis canadensis August L. Hormay Date Unknown s.n. Plumas Quincy. Comment
  CHSC112375  Calamagrostis canadensis var. canadensis L. P. Janeway 2014-7-15 11543 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  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
  SEINET10531066  Calocedrus decurrens Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CDA18688  Calochortus coeruleus G. D. Barbe, T. C. Fuller 1982-6-15 3695 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  POM147067  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, near Greenville. Comment
  UC337929  Calochortus coeruleus unknown 1884-1 Plumas Comment
  UC337930  Calochortus coeruleus unknown Aug 1874 Plumas Comment
  CAS-BOT-BC487774  Calochortus coeruleus John Thomas Howell; Gordon H. True 1967-7-11 43358 Plumas Southeast slope of Mt. Hough, Sierra Nevada 2042 Comment
  CDA15915  Calochortus leichtlinii B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; above upper Bull Run Creek off USFS 23N12E. Comment
  RSA125133  Calochortus monophyllus E. F. Sprague 1957-5-30 0 .229 Plumas 10 miles southwest of Viola on Manton Road 610 Comment
  SBBG30573  Calochortus nudus D. Myrick 1968-6-18 1942 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC493423  Calochortus nudus G. D. Barbe; T. C. Fuller; John Thomas Howell 1981-7-26 54393 Plumas 0.3 miles southwest of Buks Summit on road to Buks Lake 1645 Comment
  CAS-BOT-BC271528  Calycadenia truncata subsp. truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi. e. of Clio 1706 Comment
  JEPS48667  Calyptridium umbellatum Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  SEINET198561  Calyptridium umbellatum H. K. Sharsmith 1955-6-28 4527 Plumas E Branch of N Fork of Feather River near Pulga 610 Comment
  SJSU14353  Calyptridium umbellatum N. A. Hopkins 1990-5-12 1610 Plumas SW side of Clover Valley on rd to Genessee, 11.2 mi NW of Beckwourth 1645 Comment
  UCD100485  Calyptridium umbellatum Michael A. Vincent 1999-6-8 8543 Plumas Plumas National Forest; Beckwourth Ranger District. Along Rt. A23, just south of Rt. 70, southwest of Beckwourth. Comment
  UCR108213  Calystegia malacophylla subsp. malacophylla L. C. Wheeler 1958-7-28 7339 Plumas Sierra Nevada Mtns, South Fork Rock Creek, c. 0,5 mi east of Bottle springs, near Quincy 1585 Comment
  RSA0009460  Camassia quamash subsp. breviflora Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET8472080  Camassia quamash subsp. breviflora H. R. Holbo 1961-5-17 s.n. Plumas Vinton. 1524 Comment
  CAS-BOT-BC160890  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason 1924-6-15 1037 Plumas Graeagle Comment
  JEPS11744  Campanula prenanthoides Tom Harris, E. Fritz July 1926 Plumas Meadow Valley 1158 Comment
  SEINET11262423  Campanula prenanthoides D. W. McNeal 1996-7-26 4180 Plumas Above F.S. Rd. 25N12 through Butterfly Valley 3.5 mi sw of the jct of Hwy 70-89 n of Quincy.; 0 Comment
  SEINET208615 Image available Campanula prenanthoides Lewis S. Rose 1966-7-26 66049 Plumas Butterfly valley. 3 mi. west of Keddie. 1067 Comment
  SEINET10462996  Campanula prenanthoides Austin AUSTIN s.n. Plumas Badger Hill Comment
  SEINET10972395  Campanula prenanthoides Edward K. Balls 1950-9-5 Balls 15682 Plumas Thompson Creek, main trail off La Porte Road (trail to Little Volcano), of Highway 24 east of Quincy 1463 Comment
  SEINET215292 Image available Campanula prenanthoides James I Mallory 1969-8-21 349 Plumas Plumas National Forest ; 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte. 1524 Comment
  CAS-BOT-BC37304  Cardamine breweri Walter Knight; Irja Knight 1967-5-7 2227 Plumas Butterfly Botanical Area and Vicinity. Valley proper. 1036 Comment
  CHSC77204  Cardamine breweri G. Schoolcraft 1997-8-5 2632 Plumas Rock Creek. 1746 Comment
  RSA0069339  Cardamine nuttallii Dean W. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca. 7.5 air miles ESE of Quincy. 1430 Comment
  UC117811  Cardamine pachystigma Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC38121  Cardamine pensylvanica John Thomas Howell 1962-6-17 37657 Plumas Sierra Nevada. Butterfly Valley. 1036 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
  CAS-BOT-BC18591  Carex abrupta Ella Dales Cantelow 1941-7-20 3637 Plumas 10 mile south of Qunicy, on road to La Porte. 1981 Comment
  CHSC47007  Carex amplifolia L. P. Janeway 1989-7-21 3513 Plumas Plumas National Forest. At boxed-up spring at crossing of rd 25N85, 1.3 mi from rd 25N05, 2.1 mi NE of Beckwourth-Genesee Rd (rd 111) (and Red Clover Valley), 15.7 mi from Beckwourth. 1737 Comment
  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
  CHSC92296  Carex athrostachya Lowell Ahart; Josephine Guardino 2005-8-9 12269 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  SEINET4292086 Image available Carex athrostachya L. Ahart, Dittes, J 2007-1 14165 Plumas Yellow Pine Forest, west bank of Red Clover Creek, about 30 yards east of County Road 111(Beckwourth Gensee Road),about 1/4 mile east of bridge acroos Red Clover Creek, Red CloverValley, about mi(air) north of the north end of Lake Davis Comment
  UC710501  Carex athrostachya Thomas H. Kearney Aug 14-26 1944 22 C Plumas Lake Almanor Prattville Comment
  CAS-BOT-BC19741  Carex athrostachya L. W. Swift 1934-7-18 124 Plumas Squaw Queen. 1828 Comment
  RSA98025  Carex athrostachya C. R. Quick 1952-9-5 52 -298 Plumas Northwest of Almanor. Comment
  UCD140125  Carex aurea John Thomas Howell 1960-7-18 35508 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC19130  Carex aurea Clarence Roy Quick 1965-7-23 65 -21 Plumas Sierran Nevada. 3-4 miles south of west end of Humbug Valley. Above Cottonwood Creek Crossing. Comment
  CAS-BOT-BC19524  Carex bolanderi John Thomas Howell 1962-6-17 37649 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  JEPS102674  Carex bolanderi Lowell Ahart 2001-7-19 8947 Plumas On the sides of Hopkins Creek, about 100 yards NW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  RSA71295  Carex bolanderi L. S. Rose 1951-6-28 51029 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CAS-BOT-BC19626  Carex brainerdii L. P. Janeway 1984-7-22 929 Plumas Summit above Lookout Rock, 1.5 mile northeast of Mt. Ararat. 1815 Comment
  CHSC63191  Carex brainerdii Lowell Ahart 1994-6-17 7360 Plumas On the west side of a poor logging road, on the west side of Sly Creek, about 1/10 mle north of the locked gate, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CDA33043  Carex brainerdii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3308 Plumas 1.4 miles north-northeast of Engle Mine townsite on Diamond Mountain Road. Comment
  SEINET7552665 Image available Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS121734  Carex cusickii L. P. Janeway 2014-7-16 11547 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. Comment
  CDA33050  Carex douglasii T. C. Fuller 1962-6-14 Plumas Southwest corner of Highway 40 Alt. & road to Loyalton, Vinton. 0 Comment
  CHSC110456  Carex echinata subsp. echinata L. P. Janeway 2013-6-2 11124 Plumas Northern High Sierra Nevadda. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  JEPS34395  Carex echinata subsp. echinata Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8871 Plumas hanging bog above and nw Butterfly Valley (ca. 1.5 mi w of Keddie) 1158 Comment
  RSA189384B  Carex echinata subsp. echinata L. S. Rose 1967-6-12 67112 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  CAS-BOT-BC19866  Carex echinata subsp. echinata Brink; Mayer 1975-7-3 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  UCR115312  Carex feta G. D. Barbe, T. C. Fuller 1982-6-14 3689 Plumas W end of Quincy, Hwy 70 & Lawrence St. at the Chevron station. 1037 Comment
  CDA33073  Carex feta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3163 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  UC1133356  Carex filifolia var. erostrata E. Sawyer 1935-6-22 21 Plumas 3/4 mi sw Beckwith City; Sierraville Quadrangle Comment
  CAS-BOT-BC20695  Carex fracta John Thomas Howell 1951-6-28 27650 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CDA13409  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13258 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. E of Quincy. Comment
  CDA13805  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13492 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Occasional in dry areas of conifer forest, generally on lower slopes. Perennial, clumping. Comment
  CHSC55435  Carex fracta L. P. Janeway 1990-7-13 3797 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  CHSC76322  Carex fracta G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13258 Plumas Northern California, Sierra Nevada, Plumas National Forest. Near creek in low valley below headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2000 Comment
  RSA201272  Carex fracta J. T. Howell 1960-7-19 35676 Plumas Drakesbad. 1677 Comment
  CAS-BOT-BC20698  Carex fracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54114 Plumas Sierra Nevada. 10.6 miles northeast of La Porte on road to Quincy. 1889 Comment
  CAS-BOT-BC21971  Carex heteroneura John Thomas Howell 1960-7-20 35714 Plumas Drakesbad. 1828 Comment
  CAS-BOT-BC21973  Carex heteroneura John Thomas Howell 1951-6-27 27590 Plumas McRae Meadow. 1981 Comment
  CHSC100040  Carex heteroneura Lowell Ahart 2008-7-16 15092 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
  CHSC56887  Carex heteroneura var. heteroneura L. P. Janeway 1991-8-3 4112 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek 2 mi west of Smith Peak and below 'Five Points. 1981 Comment
  CHSC106355  Carex hoodii Lowell Ahart 2010-7-27 16930 Plumas North road bank of Forest Road 22N68, 150 yards west of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir. 1575 Comment
  SEINET7562361 Image available Carex infirminervia George W. Gillet 1957-7-13 748 Plumas Lassen Volcanic National Park. Near trip up the Flatiron from Drakesbad, near juncture of Devile Kitchen and Bench Lake trails. 1859 Comment
  CHSC108087  Carex jonesii Lowell Ahart 2011-9-17 17659 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS91028  Carex lasiocarpa Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11436 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  UC1562319  Carex lasiocarpa Vernon Oswald 1990-6-22 4314 Plumas ca. 0.5 mi s Willow Lake (on the n side of the lake, ca. 9 mi (air) nw of Chester); Domingo Lake 1767 Comment
  CHSC118840  Carex lasiocarpa Wendy L. Boes 2014-7-17 2014020 B Plumas Plumas National Forest. Gray Eagle Lodge Fen, Lakes Basin, Plumas National Forest. UTM 700667 E, 4399613 N, NAD83, Zone 10N. 2109 Comment
  JEPS106375  Carex lemmonii Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11156 Plumas Edge of a small seep, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  JEPS95336  Carex lemmonii Lowell Ahart 1994-6-15 7342 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  JEPS95361  Carex lemmonii Lowell Ahart 1994-6-17 7348 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CDA14003  Carex lenticularis G. F. Hrusa, T. D. Wilfred 1997-6-26 13920 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CDA33103  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas A large meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. Comment
  CHSC40412  Carex lenticularis var. lipocarpa Lowell Ahart 1985-7-3 5101 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
  CAS-BOT-BC28511  Carex lenticularis var. lipocarpa E. K. Balls 1950-9-9 15736 Plumas Along small lake W of Lakes Center Public Campground. 2042 Comment
  CAS-BOT-BC28513  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-10 44041 Plumas Quail Lake, 3 mi W of Chambers Lodge. Lake Tahoe 2133 Comment
  SEINET11635247  Carex leptopoda L. P. Janeway 1989-1 3404 Plumas Plumas NF, between Tomba Rd & Hwy 70/89 just N of Jackson Cr, below Cromberg Spring, Beckwourth 1335 Comment
  CHSC116370  Carex luzulina Sara M. Taylor; Scott Batiuk 2012-9-11 66 Plumas Mulligan Slide. From Quincy head west on Hwy 70, right onto spanish Creek Rd, right onto Rd 25N17, left unto Rd 25N59, go west ~1.1 km, left onto unnamed road ~480 m. UTM Zone 10, 4428l379 N, 660744 E. 1546 Comment
  CAS-BOT-BC31637  Carex luzulina var. ablata Harold Bailey; Virginia Bailey 1948-8-27 2932 b Plumas King's Creek Meadow near picnic grounds. 2164 Comment
  CAS-BOT-BC31944  Carex microptera John Thomas Howell 1951-6-27 27584 Plumas McRae Meadow. 1981 Comment
  CDA17779  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3693 Plumas Plumas National Forest; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CHSC110979  Carex multicaulis Lowell Ahart 2012-7-1 18249 Plumas About 200 yeards west of Caribuou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CHSC60501  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Plumas National Forest. South side of Dotta Canyon 2.2 mi southeast of Beckwourth-Genesee Road. 1706 Comment
  CAS-BOT-BC32231  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Crocker Mt quad. S side of Dotta Canyon 2.2 mi SE of Beckwourth-Genesee Road. 1706 Comment
  CHSC105963  Carex nebrascensis Lowell Ahart 2010-9-9 17144 Plumas Small gravel bar 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
  CHSC65600  Carex nebrascensis L. P. Janeway 1995-8-4 4888 Plumas About 1.4 mi north-northeast of Dixie Mountain Lookout; springy meadow between Lookout Creek and Road 25N03. 2026 Comment
  JEPS117529  Carex nebrascensis Lowell Ahart 2010-9-9 17144 Plumas Small gravel bar 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
  SEINET11182694 Image available Carex nervina Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10535 Plumas ca. 14 mi WSW of village of Almanor, down road from Humboldt Road (county route 308). 1777 Comment
  CAS-BOT-BC119686  Carex nervina George Wilson Gillett; Hans Leschke 1957-7-13 754 Plumas Drakesbad Valley; wet meadow across from the Devils Kitchen. 1859 Comment
  CHSC46043  Carex nudata L. P. Janeway 1987-5-28 2105 Plumas At edge of Indian Cr, 2.0 mi NE on hwy 89 from hwy 70. 914 Comment
  SEINET8987520 Image available Carex pachycarpa Unknown 2013-1 26288 Plumas Near trailhead to Frazier Falls, FS Road 501, 4.2 road miles S of junction with Route 24, 2.0 air km WNW of Mills Peak; northern High Sierra Nevada (nSNH). Comment
  CAS-BOT-BC119183  Carex pachystachya Alice Eastwood 1927-6-1 14688 Plumas Forest Lodge near Greenville. Comment
  CHSC92204  Carex pachystachya Lowell Ahart; Josephine Guardino 2005-8-9 12270 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC112125  Carex pellita L. P. Janeway 2014-7-16 11548 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  CHSC66775  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-8-14 8154 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC98248  Carex pellita Allison Sanger 2002-9-9 Plumas Lassen National Forest. Near the North Fork Feather River at Locherman Canyon Outdoor Classroom. 1536 Comment
  SEINET13697562  Carex praegracilis W. Harnach 2004-5-15 1186 Plumas Sierra Valley, 1.75 miles south of Hwy 70 on Co. Rd. A-24, at the corrals 1487 Comment
  CAS-BOT-BC118813  Carex preslii James D. Jokerst; Robert A. Schlising 1981-8-1 1453 B Plumas Just N of Butte Co line, S of saddle between Humboldt Peak and Eagle rock, Comment
  SEINET13710547  Carex raynoldsii Lowell William Ahart, Lowell William Ahart 2001-1 8888 Plumas About 1/4 Mi. NE Hauns Meadow and Hauns Creek, about 3 Air Mi. E Lake Almanor, 5 Air Mi. NW of Greenville (T27N, R9E, sec 18) 4750 Ft. 1448 Comment
  CHSC81928  Carex scabriuscula Samantha Hillaire 2001-10-29 299 B Plumas Northern High Sierra Nevada. Southeast of Buckhorn and Granite Summits, just north of 23N69 road above the roadcut, below 2 large rock outcrops. 1877 Comment
  SD130950  Carex scabriuscula John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-23 54148 Plumas Sierra Nevada; 2.65 miles west of Round Valley Reservoir dam; rocky serpentine slope in open coniferous forest.; in seepage area. 1538 Comment
  CAS-BOT-BC118217  Carex scoparia John Thomas Howell 1976-7-15 51848 Plumas Snake Lake, ca 4 mi NW of Quincy. 1219 Comment
  CAS-BOT-BC28305  Carex scopulorum var. bracteosa John Thomas Howell 1976-7-15 s.n. Plumas Snake Lake, ca 4 mi NW of Quincy. 1219 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
  CHSC53547  Carex simulata L. P. Janeway 1989-6-15 3316 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CAS-BOT-BC117744  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2273 Plumas Meadow at Drakesbad. Near edge of streamlet. Comment
  OBI22658  Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy 1036 Comment
  CAS-BOT-BC117367  Carex stipata var. stipata Walter Knight; Irja Knight 1966-6-18 1347 Plumas Butterfly Valley. 1036 Comment
  CAS-BOT-BC114991  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54344 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road. 1341 Comment
  CHSC92306  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
  SEINET7579644 Image available Carex utriculata Unknown 2004-7-24 8188 Plumas Humboldt Peak 7.5' quad, High Cascade Range, along western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. 1740 Comment
  CAS-BOT-BC115415  Carex utriculata M. S. Taylor 1982-7-12 4819 Plumas McRae Meadows, ca 6 mi W of Mohawk. Blue Nose Mt quad. 1889 Comment
  CHSC65603  Carex whitneyi L. P. Janeway 1995-8-24 4901 Plumas Top of ridge, divide between Willow Creek and Freeman Creek; about 1.3 mi west-southwest of Smith Peak. 2042 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-BC59034  Cassiope mertensiana Margaret Williams; Emily McPherson 1974-8-5 74 -P-16 Plumas Sierra Nevada - West shoulder of Mt. Elwell - trail to Mt. Elwell, Lakes Basin 2194 Comment
  CAS-BOT-BC249012  Castilleja F. Thos. Griggs 1975-1-1 308 Plumas Bucks Lake area Comment
  CAS-BOT-BC249409  Castilleja applegatei subsp. pallida Arthur Chan 1981-5-16 069 Plumas .3 mi SW of Jct of 89 and 49 by Sattley 1828 Comment
  CAS-BOT-BC249744  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Near Rock Road, 5 1/2 miles west of Quincy Comment
  CHSC82496  Castilleja applegatei subsp. pinetorum Lowell Ahart 2002-6-26 9782 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  JEPS80888  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-8-19 4214 Plumas ca 1 mi w Sloat (0.5 mi e of Bell Creek, s side of Rd 23N10); Blue Nose Mt. Quad. 1341 Comment
  JEPS81467  Castilleja arachnoidea M. S. Taylor 1982-8-18 5013 Plumas ca 9 air mi ne Sloat (Mt. Ingalls summit); Mt. Ingalls, Mt. Ingalls QUAD. 2551 Comment
  CAS-BOT-BC254072  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley Comment
  UC1063335  Castilleja miniata G. T. Nordstrom 1934-7-2 162 Plumas 1.5 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1584 Comment
  SD52204  Castilleja miniata F. Stephens 1894-8-19 7898 Plumas Sierra Valley Comment
  CHSC75760  Castilleja miniata subsp. miniata Lowell Ahart; Vernon H. Oswald 1999-7-15 8094 Plumas About 50 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  JEPS95383  Castilleja miniata subsp. miniata Lowell Ahart 1994-7-22 7487 Plumas S of the Pacific Crest Trail, on N side of Mount Etna 1981 Comment
  SEINET11268239  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 Plumas On the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak.; 0 1829 Comment
  SEINET14152644  Castilleja pilosa M. J. Williams, L. Wise 1976-1 76- 22 -1 Plumas Near Nervino Areo Service, E of Beckwourth. 1524 Comment
  CHSC116157  Castilleja tenuis Lowell Ahart 2015-7-4 20275 Plumas About 110 yards south of the paved road to Tamarack Flat, 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. 1712 Comment
  SEINET11262358  Castilleja tenuis D. W. McNeal 1990-7-25 3847 Plumas Ca 100 m s of the rd to Mills Pk Lookout (Church Meadows Rd), 0.7 mi e of the jct of Gold Lake Rd.; 0 Comment
  UC673470  Castilleja tenuis H. L. Mason 1924-6-26 1094 Plumas near Blairsden Comment
  CAS-BOT-BC47969  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54375 Plumas Sierra Nevada - 0.75 miles northeast of Buck's Summiet on road to Quincy 1600 Comment
  SBBG120143  Ceanothus arcuatus L. P. Janeway 2007-5-20 8989 Plumas crest at head of Bean Crk, which drains to the SSE; jct of USFS Rds 25N17, 25N57, and 25N59 1573 Comment
  CAS-BOT-BC48615  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley, Mt. Lassen Comment
  UC725900  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas forest s. of Chester 1310 Comment
  UCD111398  Ceanothus cordulatus B. F. Smith 1967-8-16 61 Plumas 2 miles northeast of La Porte. 1615 Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  UCD111954  Ceanothus integerrimus Collector unknown Date unknown s.n. Plumas location unknown. Comment
  SEINET7720974  Ceanothus integerrimus Unknown 1876-1 Plumas American Valley Comment
  SEINET10837533  Ceanothus integerrimus var. californicus Mary Susan Taylor 1982-5-23 Taylor 4508 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
  CAS-BOT-BC63332  Ceanothus prostratus W. R. Dudley 1909-8-29 s.n. Plumas Sierra Valley Hot Springs. Comment
  HSC98208  Ceanothus prostratus W. R. Rogers 1966-7-6 209 Plumas Comment
  UC1281210  Ceanothus prostratus H. E. McMinn 1941-8-27 5390 Plumas Blairsden Comment
  UCD112670  Ceanothus prostratus P. Thompson 1996-4-26 44 Plumas Hwy 147. Two kilometers north of Hwy. 89 and Hwy. 147 junction. 1400 Comment
  SEINET215122  Ceanothus prostratus J. Arthur 1966-5-10 56 Plumas State Hwy 89 ca. 3 miles beyond Sierra Valley between Quincy and Truckee 1372 Comment
  CHSC45650  Centaurea cyanus Vernon Oswald 1984-7-9 1356 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  JEPS113421  Centaurea stoebe subsp. micranthos Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14456 Plumas On the south side of Lake Davis Road, about 1 mile southwest of Lake Davis Dam, about 4 miles (air) north of Portola 1767 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
  JEPS51364  Cerastium fontanum subsp. vulgare W. L. Jepson 1939-8-4 19334 Plumas Meadow Valley, Rock Creek 1219 Comment
  CHSC97246  Cercocarpus ledifolius var. intermontanus Lowell Ahart; John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2509 Comment
  CHSC52952  Cercocarpus ledifolius var. ledifolius L. P. Janeway 1989-6-20 3360 Plumas Plumas National Forest. East-facing flank of Crocker Mtn overlooking Red Clover Valley. Small ridge near small know. 1965 Comment
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May 16 2008
  CAS-BOT-BC276736  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-15 14615 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC64067  Chaenactis douglasii var. douglasii B. Castro; R. A. Schlising 1987-7-21 169 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  CAS-BOT-BC276730  Chaenactis douglasii var. douglasii W. Harnach; N. Harnach 1989-7-16 223 Plumas Barry Hill (McElroy on map) 1584 Comment
  JEPS29566  Chaenactis douglasii var. douglasii J. Thomas Howell 1960-8-20 36285 Plumas near Drakesbad (Kelley Camp, near Lassen Volcanic National Park); Lassen Volcanic National Park 1615 Comment
  CHSC93082  Chamaesaracha nana L. P. Janeway 1994-7-8 4688 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  SEINET10453902  Chamaesyce serpillifolia Mary Susan Taylor 1982-8-27 Taylor 5065 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
  UC586939  Chamerion angustifolium subsp. circumvagum Joseph Andorfer Ewan 1934-7-25 8222 Plumas Gold Lake Rd above Dentens (Blairsden); Sierra Nevada 1524 Comment
  UC1874979  Cheilanthes covillei Ruth Kirkpatrick 2001-7-21 1077 Plumas Hwy 70, across North Fork of Feather River from P. G. & E. Rogers Flat Facility 670 Comment
  CHSC97116  Chenopodium album Lowell Ahart; Josephine Guardino 2007-7-20 14348 Plumas Parking area at the end of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS108998  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2006-10-8 13411 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-BC460980  Chenopodium atrovirens Clare B. Hardham 1970-8-9 17716 MM Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS108996  Chenopodium botrys Lowell Ahart 2006-10-8 13412 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  SEINET10937632  Chenopodium pumilio Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5188 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
  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
  SD7834  Chimaphila menziesii Mrs. R. M. Austin 187? Plumas Mt. Dyer Big Meadows Comment
  CHSC21115  Chimaphila umbellata F. T. Griggs; A. Pass 1975-7-1 24 Plumas Bucks Lake. East of Grizzly Creek. Comment
  CAS-BOT-BC452237  Chimaphila umbellata C. R. Quick 1953-8-1 53 -105 Plumas Lava flat west of Lake Almanor Comment
  RSA286338  Chimaphila umbellata subsp. occidentalis R. F. Thorne 1974-7-30 45015 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA0091947  Chrysolepis sempervirens Bonnie C. Templeton 1968-1 11307 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA126612  Chrysothamnus nauseosus subsp. albicaulis E. Nourse 1934-8-9 7 Plumas 0.75 mile west of Clermont Hill 1951 Comment
  RSA60126  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-2 15649 Plumas Mt. Ingalls Lookout, north of Grizzly Valley 2485 Comment
  RSA768849  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-10 15360 Plumas Both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1.75 air miles south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1594 Comment
  JEPS21428  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1939-8-10 19370 Plumas hills at Blairsden Comment
  RSA59315  Cichorium intybus E. K. Balls 1950-9-14 15799 Plumas Where Dixie Canyon runs into Indian Creek, Hwy 89 1098 Comment
  UCD130475  Cichorium intybus E. K. Balls 1950-9-14 15799 Plumas where Dixie Canyon run into Indian Creek. 1097 Comment
  CHSC66607  Cicuta douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8044 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Shance Campground at the srreams and marshy meadow extending E from road. High Cascade Range. 1371 Comment
  CDA978  Circaea alpina subsp. pacifica D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .283 Plumas Fern Gulch, E of Butterfly Valley, just S of Keddie. 0 Comment
  JEPS28619  Circaea alpina subsp. pacifica George W. Gillett 1957-7-17 802 Plumas near the e. inlet upper Willow Lake meadow; Lassen Volcanic Nat'l Park, Willow Lake meadow 1661 Comment
  RSA0070846  Cirsium andersonii L. Ahart, John Dittes 2005-9-20 12432 Plumas NW side of Mud Lake, about 0.5 mile NE of Eisenheimer Peak, about 0.75 mile south of Wilcox Valley. 2030 Comment
  SEINET7451057 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  UC172011  Cirsium arvense H. M. Hall 1912-8-3 9378 Plumas Quincy Sierra Nevada 1066 Comment
  CDA1130  Cirsium canescens T. C. Fuller 1968-7-1 17318 -B Plumas About 6 mi. s. of Vinton; 1 mi. n. of county line, 1/8 mi. w. of Hwy 49 to Loyalton. Comment
  CHSC89532  Cirsium cymosum G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16344 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-BC278100  Cirsium douglasii var. breweri John Thomas Howell 1960-7-18 35611 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS95069  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  CAS-BOT-BC280432  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Rd., just N/Co. line 7.3 mi S/Vinton Comment
  CDA1512  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1963-8-28 11173 Plumas Sierra Valley; Loyalton-Vinton Hwy ( Hwy 49), just N of Sierra Co. line. Comment
  JEPS59201  Cirsium scariosum W. L. Jepson 1910-6-14 4128 Plumas Prattville 1310 Comment
  CAS-BOT-BC286360  Cirsium scariosum John Thomas Howell 1951-6-29 27736 Plumas Near Spring Garden Comment
  CAS-BOT-BC286520  Cirsium undulatum J. R. Keck; R. Swanson 1967-8-17 s.n. Plumas 200 yds. w. of Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton, 1 mi. n. of the county line in Plumas Co. Comment
  SD50703  Cirsium vulgare Darley F. Howe 1959-8-2 2781 Plumas Quincy 1064 Comment
  SDSU3800  Cirsium vulgare D. F. Howe 1959-8-2 2781 Plumas Meadow at Quincy. 1067 Comment
  CAS-BOT-BC228895  Cistanthe umbellata Elmer I. Applegate 1929-6-21 5814 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC228899  Cistanthe umbellata Lowell Ahart 1985-9-26 5182 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte 1584 Comment
  CHSC28485  Clarkia gracilis subsp. gracilis R. A. Schlising 1979-6-12 3454 Plumas Along Hwy 70 in Feather River Canyon, 3.9 miles SW of jct with Hwy 89 west of Quincy. Comment
  CHSC62570  Clarkia gracilis subsp. gracilis L. P. Janeway 1993-6-16 4394 Plumas Plumas National Forest. North side of East Branch North Fork Feather River, across from Paxton; 0.8 mi west of Hwy 89. Cutbank of beginning of dirt road off of Hwy 70. 883 Comment
  RSA164339  Clarkia lassenensis Clare B. Hardham 1961-6-15 7421 Plumas Sierra Nevada: East of Taylorsville, road to Engelmine 1220 Comment
  SEINET12191146  Clarkia mildrediae Unknown 1968-1 s.n. Plumas near La Porte 762 Comment
  CHSC11365  Clarkia mildrediae subsp. lutescens Lowell Ahart 1971-7-27 Plumas South of La Porte. 1219 Comment
  CHSC89901  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Above a trail. 1524 Comment
  CHSC89914  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-7-28 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. Located 20-30 feet above the high water mark. 1524 Comment
  UCD104796  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-22 4469 Plumas Along Oroville-Quincy Highway. 0.9 mile W of Grizzly Creek. 1621 Comment
  CHSC83710  Clarkia mildrediae subsp. mildrediae L. P. Janeway 2001-6-28 7239 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  LA206076  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 752 Plumas Hwy 24, 7.8 mi S of Yellow Creek Bridge, along Feather River Comment
  UC1422864 Image available Clarkia mosquinii subsp. mosquinii T. Mosquin 1959-7-3 3335 Plumas 3.7 mi sw entrance to Plumas National Forest (along State Hwy 40 alt.); ; SW of entrance to Plumas Nat'l. Forest, along State Hwy. 40. Comment
  CAS-BOT-BC163852  Clarkia purpurea subsp. quadrivulnera R. W. Thorp 1963-7-2 63 -49 Plumas East end of Quincy Comment
  CAS-BOT-BC164913  Clarkia rhomboidea Clarence R. Quick 1963-7-24 63 -60 Plumas On shoulder of east-west ridge 1.5 miles east of Wheeler Peak Comment
  CAS-BOT-BC164918  Clarkia rhomboidea John Thomas Howell 1967-6-23 42718 Plumas Canyon of the East Branch of Feather River 2 miles east of Twain Comment
  CAS-BOT-BC164927  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  UC586932  Clarkia rhomboidea Joseph Andorfer Ewan 1934-6-25 8204 Plumas above Dentens (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  SBBG18807  Clarkia rhomboidea C. B. Hardham 1961-6-15 73891 Plumas N of Quincy, jct of Indian Crk and Feather River 1219 Comment
  CHSC74104  Clarkia stellata B. Castro 1998-7-28 816 Plumas Ca 2 mi SW of La Porte and 0.6 mi E of American House, on S-facing slope E of the La Porte Rd. On roadcut edge within 15 ft of main road, and also in opening ca 120 ft to the S. 1508 Comment
  UC1730244  Clarkia stellata L. P. Janeway 1996-6-12 5012 Plumas 0.5 mi NE of Deer Creek, 2.0 mi S of Spanish Creek; N side of logging spur road 0.6 mi E of Road 24N23X 1318 Comment
  CAS-BOT-BC439099  Claytonia cordifolia W. D. Dakan 1978-5-20 s.n. Plumas Quincy Water Supply (Gansner Ravine). Plumas National Forest. 1036 Comment
  CAS-BOT-BC451742  Claytonia lanceolata Anna Head 1920-6-25 s.n. Plumas Near Lake Center Camp, Feather River Region Comment
  CHSC43718  Claytonia lanceolata Vernon Oswald 1984-6-25 1322 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. Growing on the wooded edge of a mountain meadow. 1889 Comment
  LA207492  Claytonia lanceolata Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC439877  Claytonia perfoliata John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2075 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC443645  Claytonia perfoliata subsp. perfoliata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54251 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  UCD23350  Claytonia perfoliata subsp. perfoliata E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CAS-BOT-BC443800  Claytonia rubra subsp. rubra Alice Eastwood 1927-6-11 14478 Plumas United States Forest Reserve. Forest Lodge near Greenville 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
  CDA15384  Collinsia parviflora G. F. Hrusa 1997-5-3 13838 A Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC112568  Collinsia parviflora B. Castro; L. P. Janeway 2007-6-9 1635 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. In narrow band of dry to fairly moist sagebrush meadow downstream of small rock dam, near E edge of Thompson Creek, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  SD46708  Collinsia parviflora Robert J. Weatherby 1955-6-22 1541 Plumas damp meadow near top of Spanish Peak 2133 Comment
  CHSC101788  Collinsia rattanii Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Northwest of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC37025  Collinsia torreyi M. S. Taylor 1982-6-17 4690 Plumas S side of 23N44Y, 0.2 mi w of its jct with 23N50Y (Bell Bar Creek Rd), ca. 2 air mi se of Sloat. 1493 Comment
  CHSC76072  Collinsia torreyi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3067 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  HSC22975  Collinsia torreyi John Pratt 1970-6-30 56 Plumas Humboldt Summit Comment
  JEPS97365  Collinsia torreyi var. wrightii Vernon H. Oswald and L. Ahart 1994-7-24 7118 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, 6300 ft, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10 1920 Comment
  CDA14729  Collomia grandiflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3256 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  RSA71855  Collomia linearis F. W. Peirson 1926-6-21 6783 Plumas East slope of Sierra Nevada on Humboldt Road Comment
  CDA18670  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-15 3734 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC113590  Collomia tinctoria Lowell Ahart 2014-8-24 19753 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  POM161586  Collomia tinctoria R. C. Bacigalupi 1927-7-11 1702 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  SEINET13976275  Collomia tinctoria W. Harnach, N. Harnach 1990-6-27 417 Plumas Sierra Valley. W of Beckwourth, Ramelli Ranch (USFS), so of R/R. 1554 Comment
  UC1586412  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1991-6-18 4683 Plumas Forest Road 28N38 3.4 mi nne County Road 201 (Old Haun Road) (ca 4 mi (air) n of Greenville) 1609 Comment
  RSA59578  Collomia tinctoria Alva Grant, Verne Grant 1950-7-12 8929 Plumas West facing slope at base of Red Rock nr. Diamond Mt. betw. Susanville and Taylorsville 1890 Comment
  SEINET12326110  Collomia tinctoria W. Knight, Knight, I. 1983-1 4940 Plumas confluence of North Fork of Feather River and Warner Creek on rd between Chester and Drakesbad 1463 Comment
  CAS-BOT-BC157361  Comarum palustre Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CHSC54488  Comarum palustre Vernon H. Oswald; Lowell Ahart 1991-7-30 4791 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. Along edges of streams within the fenced enclosure at the springs. 1310 Comment
  UC1123584  Convolvulus arvensis C. W. Hanks 1934-8-13 46 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC21122  Corallorhiza maculata F. T. Griggs; A. Pass 1975-7-2 25 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  SEINET4676259  Cordylanthus bolanderi Lewis S. Rose 1966-7-26 66047 Plumas Butterfly Valley, 3 miles west of Keddie.; 0 1067 Comment
  RSA59282  Cordylanthus tenuis subsp. tenuis E. K. Balls 1950-9-4 15574 Plumas Behind Feather River Experiment Station, Hwy 24, 4 miles north of Quincy. 1098 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
  JEPS80629  Cordylanthus tenuis subsp. viscidus M. S. Taylor 1981-7-21 4081 Plumas e and above Squirrel Creek (ne corner of jct 25N42 and 401, ca 3 air mi n of Spring Garden on Hwy 70); Spring Garden quad. 1371 Comment
  RSA0084760  Cordylanthus tenuis subsp. viscidus L. P. Janeway 2007-8-13 9177 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  UC338279  Cornus unknown 1889-5-30 Plumas Thompson's Ranch Comment
  CHSC21564  Cornus nuttallii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC210321  Cornus sericea David D. Keck 1932-7-3 1654 Plumas South of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  SD7622  Cornus sericea subsp. occidentalis R. M. Austin 1877-1 Plumas Mill Creek Comment
  JEPS19471 Image available Cornus sericea subsp. sericea W. L. Jepson 1924-7-23 10629 Plumas Rich Pt. Middle Fork of Feather River; Rich Pt., Middle Fork of Feather River 914 Comment
  UC634636  Cornus sericea subsp. sericea H. L. Mason 1924-6-19 1076 Plumas margin of Bear lake Comment
  CHSC81365  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  NY214534  Corydalis caseana J. G. Lemmon s.n. Plumas Cold springs and streams from Sierra Valley to Big Meadows Comment
  SD8286  Corydalis caseana Daniel Cleveland Jul 1882 Plumas Pratteville Comment
  CHSC88652  Corydalis caseana subsp. caseana B. Castro 1992-10-7 Plumas Plumas National Forest. Oak Dome, near Little Grizzly Creek, Road 23N73Y. 1676 Comment
  CAS-BOT-BC401872  Corydalis caseana subsp. caseana Robert J. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge, near Taylor Lake 1981 Comment
  CAS-BOT-BC169502  Corylus cornuta subsp. californica Henry A. Kloppenburg 1928-5-19 430 Plumas Belden. Plumas Forest 701 Comment
  CAS-BOT-BC287206  Cota tinctoria John Thomas Howell 1960-7-24 35995 Plumas Chester 1371 Comment
  CAS-BOT-BC141573  Crataegus douglasii John Thomas Howell 1973-7-9 49710 Plumas Crescent Mills - Sierra Nevada 1066 Comment
  SD8926  Crepis R. M. Austin 1882-7-24 Plumas Big Meadows Comment
  UCD130990  Crepis A. A. Beetle 1941-6-28 2790 Plumas west side of Lake Amanor. Comment
  CAS-BOT-BC290443  Crepis acuminata John Thomas Howell 1975-7-22 51360 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC290448  Crepis acuminata Rimo Bacigalupi 1927-7-11 1700 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC290451  Crepis acuminata Anna Head 1921-6-22 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CAS-BOT-BC291565  Crepis intermedia John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2424 Plumas Adjacent to the mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  CHSC100852  Crepis intermedia L. P. Janeway; B. Castro 2008-9-13 9593 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km north-northwest of Grizzly Summit. In and above a road edge drainage near where the road crosses a rocky bouldery north-facing dry drainage. 1649 Comment
  CHSC97153  Crepis intermedia Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  SBBG33894  Crepis intermedia L. S. Rose 1969-6-24 Plumas Butterfly and Spanish Crks 853 Comment
  CAS-BOT-BC291578  Crepis modocensis subsp. modocensis M. S. Taylor 1982-5-17 4466 Plumas N side of 22N55 near its junction with 22N54 and 22N88 ca. 2 mi. se of Portola 1706 Comment
  RSA39747  Crepis modocensis subsp. subacaulis P. A. Munz 1947-5-17 11844 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  CHSC95093  Crepis modocensis var. subacaulis L. P. Janeway; B. Castro 2006-6-3 8655 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  CDA13933  Crepis monticola G. F. Hrusa 1997-6-26 13871 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CAS-BOT-BC291600  Crepis monticola Frank W. Peirson 1926-6-22 6829 Plumas Drakesbad, Lassen National Park Comment
  JEPS22859  Crepis occidentalis E. Sawyer 1935-6-4 63 Plumas 3 3/4 mi ese Beckwith Butte; Sierraville Quadrangle 1493 Comment
  UC345560  Crepis occidentalis E. B. Babcock 1928-6-15 157 Plumas Feather River Inn golfcourse; near hwy Comment
  JEPS113448  Crepis occidentalis subsp. conjuncta Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13987 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC290855  Crepis pleurocarpa Alice Eastwood 1912-8-22 1902 Plumas Battle Creek Meadows, Lassen Butte Region Comment
  CAS-BOT-BC290859  Crepis pleurocarpa John Thomas Howell 1924-8-11 629 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  UC346553  Crepis pleurocarpa E. B. Babcock 1928-6-15 161 Plumas 2 mi e Meadow Valley (on road to Quincy) Comment
  CAS-BOT-BC190065  Crypsis alopecuroides John Thomas Howell 1977-8-11 52716 Plumas Sierra Nevada. Dessicated bottom of Frenchmans Reservoir on east side near Big Cove. 1706 Comment
  CHSC81843  Crypsis alopecuroides Lowell Ahart 2001-10-16 9377 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC190151  Crypsis vaginiflora John Thomas Howell 1959-9-21 34748 Plumas Sierra Nevada. North Fork Feather River near Belden. 701 Comment
  CAS-BOT-BC189305  Cryptantha Clare B. Hardham 1975-8-2 20453 Plumas Black Mountain 2133 Comment
  CAS-BOT-BC189309  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54246 Plumas About 3 miles SE of Mount Hough on the road to Quincy 1737 Comment
  SEINET8518892  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-9 8777 Plumas Prattville. Comment
  UC1552752  Cryptantha affinis Frederica Bowcutt 1985-6-6 538 Plumas about 15 air mi ne Quincy (0.2 mi se of Drum Bridge, immed n of Red Clover Creek and Beckwourth Genesee Road); Plumas National Forest Comment
  SEINET8518893  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-4 8729 Plumas Meadow two miles S of Red Clover Valley. Comment
  SJSU11365  Cryptantha affinis J. W. Tilden 1958-6-29 1300 Plumas SW shore, Lake Almanor 1828 Comment
  UC54553  Cryptantha flaccida H. M. Hall and E. B. Babcock Jul 1903 4432 Plumas Indian Valley Sierra Nevada Mountains 1066 Comment
  CHSC84350  Cryptantha simulans Lowell Ahart 2003-9-7 10563 A Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  CDA14143  Cryptantha torreyana G. F. Hrusa 1997-5-3 13833 Plumas Sierra Nevada; E side of Rattlesnake Creek creekbed, S of Hwy 70 approx. 15 mi. E of Quincy. 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
  RSA59756  Cryptantha torreyana E. K. Balls 1950-9-14 15804 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC70457  Cryptogramma acrostichoides Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC52719  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas Plumas National Forest. Ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 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
  SD46449  Cryptogramma acrostichoides Robert J. Weatherby 1950-8-11 1506 Plumas Trail to Silver lake, Lakes Basin Area, North Sierra Nevada 1980 Comment
  UC123025  Cryptogramma cascadensis R. M. Austin July 1876 318 Plumas Spanish Peak Comment
  MACF019599  Cupressus Trudy R. Ericson 1975-9-18 406 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  SEINET3449668  Cupressus bakeri subsp. bakeri G. Douglas Barbe, Thomas C. Fuller 1982-6-16 3797 Plumas Eisenheimer Peak, Eisenheimer Peak, 0.75 miles northeast, below Mud Lake, Kettle Peak Quadrangle (topo map) 2090 Comment
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Oct 13 2013
  JEPS114800  Cuscuta californica var. breviflora Lowell Ahart 2008-8-13 15190 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  JEPS115112  Cuscuta californica var. papillosa Lowell Ahart, John Dittes 2009-7-29 16194 Plumas On Ceanothus prostratus, aove the high road bank, on the east side of Forest Service Road 26N23, saddle between Ohio Valley and Clear Creek, 2.0 miles (air) northeast of Butt Valley Reservoir Dam 1508 Comment
  CAS-BOT-BC205710  Cusickiella douglasii James R. Shevock 1985-5-19 11166 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01 at Dixie Valley, 11.6 miles northwest of Frenchman Reservoir 1900 Comment
  SJSU14350  Cusickiella douglasii N. A. Hopkins 1990-5-12 1615 Plumas 16.5 mi NW of Beckwourth on rd to Genessee 1706 Comment
  POM297939  Cycladenia humilis J. G. Lemmon s.n. Plumas Peaks of Plumas Co. Comment
  CHSC54313  Cycladenia humilis var. humilis Vernon H. Oswald; Lowell Ahart 1991-6-18 4686 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  SD7704  Cycladenia humilis var. humilis R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET3164823  Cyperus inflexus E. K. Balls 1950-9-14 15814 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  CHSC59832  Cyperus squarrosus L. P. Janeway 1992-9-10 4306 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  RSA139106  Cypripedium californicum Lee W. Lenz 1958-6-19 23529 Plumas North Fork, Feather River above Beldon 610 Comment
  RSA30025  Cystopteris fragilis J. T. Howell 1951-6-27 27635 Plumas Jamison Creek 1829 Comment
  CAS-BOT-BC70675  Cystopteris fragilis John Thomas Howell 1960-7-20 35749 Plumas Boiling Springs Lake 1798 Comment
  SEINET6629016  Cystopteris fragilis M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls, Jamison Creek, above Johnsville 1859 Comment
  SD6434  Damasonium californicum Daniel Cleveland 1882-7-22 Plumas Prattville Comment
  UC1130602  Damasonium californicum E. Sawyer 1935-6-28 258 Plumas 5 mi. s.-s.e. The Buttes; Sierraville Quad. Comment
  RSA34822  Damasonium californicum Roxana S. Ferris, Laura Lorraine 1941-8-9 10435 Plumas About 2 1/2 miles from Lake Almanor Public Camp, State Hwy 89 on road to Chester. Comment
  CAS-BOT-BC189670  Danthonia californica John Thomas Howell 1973-7-10 49753 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  CAS-BOT-BC192345  Danthonia unispicata A. A. Heller; P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC192349  Danthonia unispicata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. North of the dirt road that is NE of Finger Board Mtn. 1800 Comment
  CAS-BOT-BC76212  Darlingtonia californica Malcom A. Nobs; S. Galen Smith 1949-8-19 1434 Plumas Butterfly Valley. Comment
  UC1191518  Darlingtonia californica Malcolm A. Nobs and S. Galen Smith 1949-8-19 1434 Plumas Butterfly Valley Butterfly Valley (bog and marsh) Comment
  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
  CAS-BOT-BC8919  Delphinium depauperatum John Thomas Howell; Gordon H. True 1967-7-11 43326 Plumas about 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC8920  Delphinium depauperatum John Thomas Howell 1962-6-17 37708 Plumas Portola 1463 Comment
  UC1075687  Delphinium depauperatum Robert J. Weatherby 1955-7-2 1574 Plumas creek below Bear Ridge (near Taylor Lake) 1981 Comment
  JEPS127029  Delphinium gracilentum Lowell Ahart 2016-6-2 20913 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  UC118647  Delphinium nudicaule Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC9822  Delphinium nudicaule Lowell Ahart 1984-6-21 4720 Plumas 1 mile north of Turkeytown, about 2 miles northwest of Blue Nose Mountain, about 15 mi. NE of La Porte 2000 Comment
  SEINET12092486  Delphinium nudicaule Austui n d s.n. Plumas no further locality Comment
  SEINET5338038  Delphinium nudicaule P. A. Lehenbauer 1926-5-31 1466 Plumas Clover Creek, Plumas Natl. Forest. Comment
  SEINET8663390  Delphinium nudicaule C. Tanner 1999-5-7 s.n. Plumas Along "Powerline Road," between C. Roy Carmichael School and unincorporated town of Delleker. 1490 Comment
  CAS-BOT-BC116075  Delphinium nuttallianum Anna Head 1921-7-1 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CDA18698  Delphinium nuttallianum G. D. Barbe, T. C. Fuller 1982-6-15 3705 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CHSC107458  Delphinium nuttallianum Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-7-6 19 Plumas Northern High Sierra Nevada. 1.9 miles East of intersection of 22N60, 22N27, and Pacific Crest Trail, 500 ft downslope of 22N27 road. 1744 Comment
  CAS-BOT-BC116120  Delphinium nuttallianum L. P. Janeway 1940-5-11 3776 Plumas Near Emigrant Creek and about.10 mi south of Little Grizzly Creek. 1767 Comment
  CAS-BOT-BC116126  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-16 7474 Plumas Diamond Peak. Edge of woods near tree line. Comment
  JEPS43411  Delphinium nuttallianum W. L. Jepson 1927-6-23 12300 Plumas near Camp Kelly; Warner Creek 1584 Comment
  UC725758  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas in a wayside ditch along Hwy 89 3 mi s Prattville Comment
  UC727021  Delphinium nuttallianum A. A. Heller 1941-5-22 16144 Plumas along roadside w Quincy Comment
  RSA95441  Delphinium patens J. T. Howell 1951-6-27 27579 Plumas McRae Meadow. 1982 Comment
  SEINET10448456  Dentaria tenella var. palmata Mary Susan Taylor 1981-6-17 Taylor 3923 Plumas T25N R12E center sec 27. Grizzly Valley quad. jct Meadow Creek and rd 25N10, E side of Mt Ingalls, ca. 8 air mi NE of Genesee. 7500 ft elev. 2286 Comment
  SEINET10506846  Deschampsia Mary Susan Taylor 1981-7-6 Taylor 3969 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  RSA60115  Deschampsia cespitosa E. K. Balls 1950-9-2 15640 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  SJSU11271  Deschampsia cespitosa S. H. Casey 1980-6-18 1163 Plumas Butterfly Valley c. 3 mi W of Keddie 1066 Comment
  RSA718527  Deschampsia cespitosa subsp. cespitosa L. P. Janeway, B. Castro 2006-9-9 8881 Plumas West shore of Jedidiah Colter Lake ( between Blue Lake and North Arm Rice Creek) High Cascade Range. 1981 Comment
  SBBG59432  Deschampsia cespitosa subsp. cespitosa M. N. Ackley -Aug-1928 41 Plumas Feather River Cyn 1676 Comment
  UC1024668  Deschampsia cespitosa subsp. cespitosa Leo Whitney 1934-8-10 2181 Plumas ca. 9 mi. n.w. Portola (Freeman Creek, n.w. end of Big Grizzley Valley, Plumas Nat'l Forest); Plumas Nat'l Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  UCR66621  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  CAS-BOT-BC198156  Deschampsia danthonioides S. B. Doten 1901-6-14 42 Plumas Sierra Valley Comment
  CAS-BOT-BC198161  Deschampsia danthonioides Lewis S. Rose 1954-5-30 54064 Plumas Johnsville 1600 Comment
  CHSC58051  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1992-6-2 4977 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
  POM264539  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas west side of Lake Almanor 1829 Comment
  SEINET3927726  Deschampsia danthonioides Lewis S. Rose 1954-5-30 54064 Plumas Johnsville.; 0 1600 Comment
  UCD61399  Deschampsia danthonioides G. L. Stebbins Jr. 1939-7-6 2896 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC198150  Deschampsia danthonioides John Thomas Howell 1959-9-22 34875 Plumas Lassen Park Ranger Staton on road from Chester to Drakesbad 1676 Comment
  CDA31678  Deschampsia elongata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .27 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  JEPS114928  Deschampsia elongata Lowell Ahart 2008-7-16 15093 Plumas Northwest edge of a small meadow (swamp) 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
  CAS-BOT-BC43033  Descurainia incisa subsp. incisa John Thomas Howell 1951-6-27 27576 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CHSC88004  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
  CAS-BOT-BC43258  Descurainia pinnata subsp. glabra Elmer I. Applegate 1934-5-3 8920 Plumas South end of Secret Valley. Comment
  SEINET10448461  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-19 Taylor 4480 Plumas T23N R14E se/se sec 29. Portola quad. Ridgetop, sagebrush scrub & sandy soils, Ramelli Ranch, on ridge 1.5 mi e of Portola. 5760 ft. 1756 Comment
  CAS-BOT-BC402454  Dicentra formosa subsp. formosa Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  POM97795  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  CHSC39352  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  SEINET8769425  Dicentra uniflora W. Harnach, N. Harnach 1990-4-13 256 Plumas Sierra Valley, Approx 0.25 N of Sierra/Plumas Co. line of Co. Rd. A-23, Barry Hill (McElroy on maps). 1615 Comment
  CAS-BOT-BC502664  Dichelostemma multiflorum John Thomas Howell 1975-6-16 51150 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC502671  Dichelostemma multiflorum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-12 2151 Plumas Pond reservoir 1097 Comment
  CAS-BOT-BC292273  Dieteria canescens John Thomas Howell 1977-8-11 52674 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  JEPS120754  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  CAS-BOT-BC494108  Dieteria canescens var. canescens William Harnach 2000-9-3 1003 Plumas Gold Mountain Development, along the river trail 1463 Comment
  CAS-BOT-BC290981  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. line 1463 Comment
  CAS-BOT-BC150483  Diplacus grandiflorus F. W. Pennell; A. A. Heller 1940-6-5 25687 Plumas Route 24, along Feather River, below Belden 487 Comment
  CAS-BOT-BC151855  Diplacus mephiticus G. D. Hanna 1958-9-18 s.n. Plumas Crystal Mt., Eastern Plumas Co. 2194 Comment
  CHSC73823  Diplacus mephiticus B. Castro 1997-6-9 730 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
  SJSU15158  Diplacus mephiticus N. A. Hopkins 1993-6-16 1729 Plumas Beckwourth-Janesville Rd N of Milford Fork 1524 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CAS-BOT-BC208631  Distichlis spicata J. H. Thomas 1956-7-14 6055 Plumas New Idria Road from Panoche to Idria, about 5 miles S of Panoche, along Griswold Creek 457 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
  SEINET8552997  Dodecatheon alpinum M. J. Williams 1966-7-11 s.n. Plumas Near Luther ridge, above Johnsville. 2286 Comment
  RSA134076  Dodecatheon hendersonii H. J. Thompson 1952-5-18 1535 Plumas In dry meadow under PInus ponderosa, 1.5 mi. N of Greenville, near Wolf Creek, SE of Lake Almanor, 1006 Comment
  CHSC117341  Downingia bacigalupii B. Castro 2007-7-24 1659 Plumas Northern High Sierra Nevada. Plumas National Forest. Ferris Flat, on floodplain of Ferris Creek ca 0.25 mi SW of its confluence with Last Chance Creek. Ca 7 air mi SE of Milford, 5 mi SW of Hwy 395 and 12 mi NW of Doyle. In flat near main road (USFS Rd 28N03) 1761 Comment
  CHSC33805  Downingia bacigalupii M. S. Taylor; M. Foster, M. McCollum 1981-6-23 3945 Plumas Tamelli Ranch, along North Fork Feather River, ca. 1/4 mi s of Hwy 70, ca. 1 mi w of Beckwourth. 1493 Comment
  SD120610  Downingia bacigalupii Barbara Ertter, Jeffrey Strachan 1980-7-31 3893 Plumas East side Red Clover Valley on Beckwourth-Milford Road, Plumas National Forest. 1675 Comment
  UCD94978  Downingia bacigalupii Michael A. Vincent 1999-6-7 8539 Plumas Plumas National Forest; Beckwourth Ranger District. Along Rt. 23, just south of Rt. 70, southwest of Beckwourth. Comment
  SJSU14214  Downingia bicornuta N. A. Hopkins 1989-5-27 1496 Plumas by Marble Hot Springs Rd c. 0.25 E of Sattley- Beckwourth Rd 1524 Comment
  CAS-BOT-BC41398  Draba verna Mrs. Joseph Clemens 1920-3-11 s.n. Plumas Crescent Mills. 1066 Comment
  CAS-BOT-BC41395  Draba verna John Thomas Howell 1963-6-4 39402 Plumas Sierra Valley south of Beckwourth. 1463 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
  SEINET5906158 Image available Draperia systyla L. S. Rose 1967-1 67141 Plumas Caribou, North Fork, Feather River. Comment
  CHSC46614  Drosera X obovata Vernon H. Oswald; Wes Dempsey 1989-8-3 3914 Plumas Willow Lake located se of Drakesbad, just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  CHSC46702  Drosera X obovata V. Oswald; W. Dempsey 1989-8-24 3968 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  JEPS84398  Drosera anglica V. Oswald and W. Dempsey 1989-8-24 3960 Plumas 11 air mi nw Chester (s edge of park); Lassen Volcanic National Park, Little Willow Lake 1828 Comment
  RSA0011653  Drosera anglica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC401587  Drosera rotundifolia Lewis S. Rose 1963-6-3 63094 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1158 Comment
  CHSC36317  Drosera rotundifolia M. S. Taylor; H. Swanson 1982-8-11 4975 Plumas Beaver trail at s end of Jamison Creek Campground, ... Field redacted by CHSC, contact the data manager for more information 1712 Comment
  SBBG30504  Drosera rotundifolia D. Myrick 1968-6-18 1943 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC159586  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1970-8-9 17716 SS Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS115702  Drymocallis glandulosa var. glandulosa 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
  UC114408  Drymocallis pseudorupestris var. saxicola Mrs. R. M. Austin July 1896-July 1899 387 Plumas Lassens Peak Comment
  CHSC72322  Dulichium arundinaceum L. P. Janeway 1998-9-10 6277 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  SEINET7583310 Image available Dulichium arundinaceum Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest, Snake Lake c 4 miles NW of Quincy. 1219 Comment
  CHSC40873  Dysphania ambrosioides K. R. Stern 1985-6-25 8220 Plumas Vicinity of Blairsden, e margin of highway 70. 1402 Comment
  CHSC113859  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC113585  Elatine Lowell Ahart 2014-8-24 19740 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS122165  Elatine Lowell Ahart 2014-8-20 19710 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CHSC103148  Elatine chilensis Lowell Ahart; John Dittes 2009-9-7 16384 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 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
  SEINET10466799  Eleocharis acicularis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5185 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC81831  Eleocharis acicularis var. occidentalis Lowell Ahart 2001-10-16 9375 Plumas On the north side of a bank and a small stream, on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC40659  Eleocharis bella Lowell Ahart 1985-9-26 5186 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC54872  Eleocharis bella Vernon H. Oswald 1991-8-23 4843 Plumas Lassen Volcanic Park. Outlet of Juniper Lake. 2057 Comment
  CAS-BOT-BC113381  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  CAS-BOT-BC113394  Eleocharis engelmannii var. detonsa Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1422 Plumas Adjacent to Pond Reservoir. Butterfly Botanical Area. 1097 Comment
  CHSC20771  Eleocharis macrostachya K. R. Stern 1975-7-23 5864 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC53555  Eleocharis macrostachya Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  RSA98704  Eleocharis obtusa var. engelmannii Clarence R. Quick 1952-9-5 52 -305 Plumas Northwest of Almanor Comment
  CHSC78472  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6913 Plumas Northern High Sierra Nevada. Small meadow at head of branch of Axford Creek; southeast edge of Granite Basin (but not granite substrate). 1609 Comment
  SEINET10912968 Image available Eleocharis torticulmis Lawrence P. Janeway, B. Castro 2000-7-3 Janeway 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. Gently sloping Darlingtonia fen. 1177 Comment
  JEPS113926  Elodea canadensis W. and N. Harnach 2000-8-2 966 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourt, CA (Sierra Valley Farms) Comment
  CAS-BOT-BC227595  Elymus elymoides L. P. Janeway 1990-8-2 3822 Plumas Plumas National Forest, Beckwourth Ranger District. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge 2057 Comment
  CAS-BOT-BC227599  Elymus elymoides John Thomas Howell 1962-6-19 37884 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC227604  Elymus elymoides John Thomas Howell 1951-6-28 s.n. Plumas Eureka Lake 1889 Comment
  UCD61576  Elymus elymoides Beecher Crampton 1954-5-10 1871 Plumas 1 mile west of Portola. 1472 Comment
  CHSC49575  Elymus elymoides subsp. californicus Vernon Oswald 1983-8-24 1025 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  CHSC97467  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2007-6-17 14196 Plumas West of Red Clover Creek, about 20 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
  UC1024696  Elymus glaucus Leo Whitney 1934-8-19 2149 Plumas Grizzly Ridge Plumas National Forest 2133 Comment
  UC485750  Elymus glaucus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD61861  Elymus glaucus John Thomas Howell 1960-7-18 35608 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD62308  Elymus glaucus John Thomas Howell 1959-9-26 35054 Plumas Near Virgilia. 841 Comment
  CAS-BOT-BC206507  Elymus glaucus subsp. glaucus John Thomas Howell 1960-7-18 35608 Plumas Drakesbad, near hot springs - Lassen Volcanic National Park 1828 Comment
  CHSC69229  Elymus glaucus subsp. jepsonii James D. Jokerst; Lowell Ahart 1985-10-4 2588 Plumas Pilot Peak serpentine NE of La Porte. Top edge of serpentine. Comment
  CAS-BOT-BC213819  Elymus repens John Thomas Howell 1975-7-22 51347 Plumas Quincy Junction Road near Quincy - Sierra Nevada 1036 Comment
  RSA299170  Elymus repens J. T. Howell 1959-9-25 35036 Plumas Quincy 1037 Comment
  JEPS95380  Elymus sierrae Lowell Ahart 1994-7-20 7484 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  CAS-BOT-BC204212  Elymus stebbinsii subsp. septentrionalis John Thomas Howell; Gordon H. True 1968-6-12 44561 Plumas Near Lewisia Rock in Feather River Canyon 609 Comment
  CAS-BOT-BC204250  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Edge of dirt road ca. 0.1 mi. N of Feather Fork Mine, ca. 8 mi. N of La Porte 2000 Comment
  CHSC54544  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald 1991-8-8 4814 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. In a meadow located here. 1670 Comment
  JEPS127618  Elymus trachycaulus subsp. trachycaulus B. Castro with Brian Humphrey 2015-7-10 2098 Plumas W side of lower Thompson Valley ca 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 400 feet below edge of Ponderosa-Jeffrey pine forest. Comment
  SEINET203886  Elymus trachycaulus subsp. trachycaulus F. J. Hermann 1955-7-27 11953 Plumas 4 miles west of Portola Comment
  JEPS107604  Elytrigia intermedia subsp. intermedia Lowell Ahart, Josephine Guardino 2005-8-10 12310 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CAS-BOT-BC392226  Enemion stipitatum Vesta Holt 1935-3-19 s.n. Plumas Near Quincy Comment
  CDA38055  Epilobium brachycarpum L. Ahart, John Dittes 2005-9-2 12460 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
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Oct 5 2019
  CHSC81131  Epilobium brachycarpum Lowell Ahart 2001-8-29 9254 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA246597  Epilobium brachycarpum Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42352 Plumas Plumas National forest: Along Highway 70, 2 miles N of Quincy 1098 Comment
  SEINET12640894  Epilobium brachycarpum W. Harnach, N. Harnach 1990-1 402 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1615 Comment
  POM249885  Epilobium brachycarpum Joseph A. Ewan 1934-7-18 8575 Plumas Middle Fork, Feather River at Portola 1677 Comment
  CHSC4682  Epilobium canum subsp. latifolium R. Carter 1966-7-10 475 Plumas Found 2 mi. N of Bucks summit along W side of Oroville-Quincy Rd., on cliff above road. 1615 Comment
  RSA121166  Epilobium canum subsp. latifolium C. G. Albertus 1935-7-20 207 Plumas 1.5 miles S.W. of Lava Peak. 1311 Comment
  RSA46328  Epilobium ciliatum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  POM46384  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
  CHSC97278  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14467 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  RSA795635  Epilobium ciliatum subsp. glandulosum L. Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east in Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  RSA59269  Epilobium ciliatum subsp. glandulosum E. K. Balls 1950-8-31 15563 Plumas Quincy, behind Forest Ranger Station 1098 Comment
  SEINET9074329 Image available Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1939-1 19301 Plumas Half-way between Meadow Valley and Buck's Valley. Spanish Peak Comment
  CHSC55649  Equisetum arvense K. R. Stern 1985-6-25 8195 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC97529  Equisetum laevigatum Lowell Ahart; John Dittes 2007-6-16 14148 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  POM186455  Equisetum laevigatum D. D. Keck 1675 Plumas At bridge over Spanish Creek. Quincy, in the northern Sierra Nevada. 1067 Comment
  CHSC102970  Eremocarpus setiger Lowell Ahart; John Dittes 2009-9-7 16394 Plumas At the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC104753  Eremogone aculeata L. P. Janeway 2010-8-19 10165 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CHSC105593  Eremogone aculeata L. P. Janeway 2010-7-13 10102 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir. 1721 Comment
  CHSC21716  Eremogone cliftonii F. T. Griggs; A. Pass 1975-7-8 120 Plumas Buck's Lake Forest Service Survey. Comment
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Jul 8 2014
  OBI19554  Eremogone congesta var. congesta Lewis S. Rose 1967-7-12 67172 Plumas 1 mi S of Keddie; Butterfly Crk and Spanish Crk 884 Comment
  CAS-BOT-BC174297  Eremogone congesta var. suffrutescens Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Indian Valley Comment
  CAS-BOT-BC174361  Eremogone kingii var. glabrescens L. P. Janeway 1991-5-29 3974 Plumas West end of Red Clover Valley; 1/2 mi. south of Beckwourth-Genesee Road (road 111) on the Bagley Pass Road. Plumas National Forest, Beckwourth Ranger District 1691 Comment
  CDA17234  Eriastrum signatum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16337 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
  SEINET14623021  Eriastrum wilcoxii W. Harnach, N. Harnach 1990-6-16 389 Plumas Sierra Valley, Frank Dotta Ranch, NNW of Vinton. 1524 Comment
  CAS-BOT-BC187913  Eriastrum wilcoxii W. Harnach; N. Harnach 1990-6-16 389 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CHSC97315  Ericameria bloomeri Lowell Ahart; John Dittes 2007-8-9 14432 Plumas Along the west side of the poor road, south slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  RSA59682  Ericameria bloomeri E. K. Balls 1950-9-9 15751 Plumas About 1 mile west of Lakes Center Public Camp, trail to Long Lake outlet 2073 Comment
  SD112579  Ericameria bloomeri Darley F. Howe 1960-9-21 2988 Plumas 10 miles from junction with Highway 89 on road to Susanville 1675 Comment
  CAS-BOT-BC294283  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest, Beckwourth Ranger District. 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-BC294288  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 35021 Plumas Summit of Beckwourth Pass 1588 Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  JEPS21501  Ericameria nauseosa var. speciosa W. L. Jepson 1939-7-31 19293 Plumas slope w of Meadow Valley 1524 Comment
  SBBG126090  Ericameria nauseosa var. speciosa L. Ahart 2011-9-17 17676 -A Plumas W side of Lumpkin Ridge Rd, ca. 2 mi (air) W of Little Grass Valley Reservoir Dam 1687 Comment
  SEINET8079214 Image available Ericameria nauseosa var. speciosa J. T. Howell 1974-9-20 s.n. Plumas Near Spring Garden 1158 Comment
  JEPS75232  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas near Blairsden 1341 Comment
  CAS-BOT-BC293516  Erigeron annuus David D. Keck 1932-7-3 1691 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  UC1563867  Erigeron barbellulatus Barbara Ertter with Gary Schoolcraft 1989-7-3 8651 Plumas ca 8 airmiles s Susanville (w facing steep rocky slope below Red Rock lookout) 2255 Comment
  CHSC91771  Erigeron bloomeri var. bloomeri G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16318 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
  JEPS100353  Erigeron chrysopsidis var. austiniae Dean W. Taylor 2001-6-28 17824 Plumas Diamond Mountains, Crystal Peak, along the ridgeline at the summit Sierra Nevada 2377 Comment
  CAS-BOT-BC296015  Erigeron divergens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada 1633 Comment
  CHSC40859  Erigeron divergens K. R. Stern 1985-6-25 8239 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS41777  Erigeron divergens W. L. Jepson 1918-8-16 8013 Plumas Taylorsville 1097 Comment
  SEINET10617820  Erigeron divergens Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7048 Plumas Yellow Pine & Douglas Fir in Plumas National Forest off Hwy. 70. 1067 Comment
  UC354485  Erigeron divergens David D. Keck 1928-6-15 442 Plumas 1.5 mi w Blairsden (along Blairsden-Quincy hwy) 1371 Comment
  UCD131859  Erigeron divergens Frederica Bowcutt 1985-6-5 532 Plumas About 15 air miles NE of Quincy on the SW side of Red Clover Creek and Beckwourth Genesee Road in Plumas National Forest. Comment
  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
  RSA0091208  Erigeron eatonii var. plantagineus Bonnie C. Templeton 1968-1 11278 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA523305  Erigeron eatonii var. plantagineus J. L. Strother 1987-6-28 1359 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  RSA523562  Erigeron eatonii var. sonnei Barbara Ertter 1989-7-3 8651 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CAS-BOT-BC296130  Erigeron foliosus var. foliosus J. T. Vale 1988-10-3 s.n. Plumas Hiway 89 between Graeagle and Quincy 1219 Comment
  SEINET8667325 Image available Erigeron glacialis M. J. Williams, E. McPherson 1974-8-5 74 -P-19 Plumas Lake's Basin. Trail from Silver Lake to Mt. Elwell 2073 Comment
  CAS-BOT-BC300844  Erigeron glacialis var. glacialis Walter Knight; Irja Knight 1983-9-14 4948 Plumas Along trail to Boiling Springs Lake, Lassen Volcanic National Park 1737 Comment
  CAS-BOT-BC295231  Erigeron inornatus M. S. Taylor 1981-7-6 3980 Plumas In the y of the 2 Ross Canyon Rds (25N31A & B) ca. 1.5 mi e of Dixie Valley Rd (28N10), ca. 16 air mi nw of Chilcoot 1889 Comment
  CHSC105677  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  CHSC52512  Erigeron inornatus var. inornatus L. P. Janeway 1990-7-6 3781 Plumas Plumas National Forest. Hwy 70 in the canyon of North Fork Feather River at Chambers Creek. 624 Comment
  CHSC61914  Erigeron inornatus var. inornatus Lowell Ahart 1993-9-24 7266 Plumas On the east side of Cleghorn Bar Road, near Monitor Flat, about 3 miles north-west of Pilot Peak. 1828 Comment
  CHSC66752  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1996-8-14 8163 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Edge of the road. 1706 Comment
  JEPS117156  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  SEINET10474624  Erigeron inornatus var. reductus Mary Susan Taylor 1981-6-23 Taylor 3946 Plumas T23N R14E se/nw sec 27. Portola quad. Ramelli Ranch, along North Fork Feather River, ca. 1/4 mi S of Hwy 70, ca. 1 mi W of Beckwourth. 4900 ft elev. 1798 Comment
  UC1730267  Erigeron lassenianus var. deficiens L. P. Janeway and B. Castro 1995-8-23 4898 Plumas about 1 mi NW of Little Grass Valley Reservoir (junction of Lumpkin Ridge Road and the 94 road; on the divide between Fall River and Black Rock Creek) 1735 Comment
  CAS-BOT-BC295463  Erigeron lassenianus var. deficiens L. P. Janeway 1993-7-15 4447 Plumas Plumas National Forest, Quincy Ranger District. West of Bean Creek, on west side of Rd 25N17, 0.4 mi south of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River) 1536 Comment
  CHSC54515  Erigeron petrophilus var. sierrensis Vernon H. Oswald; Beth Corbin 1991-8-13 4824 Plumas Spur road to Middle Campground, located off of Forest Rd 26N26.2, ca. 4 miles south of the PG and E Campground in Humbug Valley. Along the road. 1304 Comment
  CHSC61781  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas Near the west side of the South Fork of the Feather River, on the north side of the dirt road, about 1 (air) mile south-west of Pilot Peak. 2072 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
  UC1776703  Erigeron pumilus var. intermedius G. Schoolcraft 2238 Plumas 1554 Comment
  SJSU14479  Erigeron pumilus var. intermedius N. A. Hopkins 1990-8-31 1638 Plumas 11.2 miles NW of Beckwourth 1645 Comment
  SJSU6947  Erigeron pumilus var. intermedius C. W. Sharsmith 1975-6-17 8225 Plumas near Gray Eagle Creek 1371 Comment
  RSA88079  Eriodictyon californicum J. T. Howell 1951-6-26 27554 Plumas Near Keddie. 976 Comment
  CAS-BOT-BC248774  Eriogonum baileyi var. baileyi John Thomas Howell 1959-9-25 35027 Plumas Summit of Beckwourth Pass 1588 Comment
  CHSC81140  Eriogonum baileyi var. baileyi Lowell Ahart 2001-8-29 9224 Plumas On the north side of Doyle Grade Road, about 1/4 mile west of Meadow View Station, about 6 (air) miles north of Frenchman Lake. 1828 Comment
  RSA626474  Eriogonum baileyi var. praebens J. T. Howell 1955-7-19 30806 Plumas Sagebrush Flat, Vinton 1512 Comment
  SD103524  Eriogonum elatum Darley Howe 1978-7-16 5079 Plumas Along State Highway 49, 3 miles north of Loyalton 1463 Comment
  CAS-BOT-BC246534  Eriogonum elatum var. elatum Lewis S. Rose 1955-7-19 55141 Plumas Beckwourth 1493 Comment
  RSA107490  Eriogonum elatum var. villosum L. S. Rose 1955-7-20 55159 Plumas Mohawk. 1372 Comment
  CAS-BOT-BC267330  Eriogonum luteolum var. pedunculatum John Thomas Howell 1951-6-29 27763 Plumas Feather River Canyon 548 Comment
  RSA11908  Eriogonum marifolium Elmer I. Applegate 1929-6-21 5817 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  UC1075707  Eriogonum marifolium Robert J. Weatherby 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  UCR270417  Eriogonum nudum John F. Emmel 2000-8-4 1684 Plumas Sierra Nevada Mtns., Mapes Canyon Road, c. 3 air miles NNW of Beckwourth 1585 Comment
  CHSC21353  Eriogonum nudum var. deductum F. T. Griggs; A. Pass 1975-7-8 130 Plumas Buck's Lake. Comment
  CHSC34735  Eriogonum nudum var. deductum M. S. Taylor 1981-7-6 3978 Plumas In the Y of Ross Canyon Rds A and B, ca. 1.5 mi e of Dixie Valley Rd, ca. 16 air mi nw of Chilcoot. 1920 Comment
  CHSC65380  Eriogonum nudum var. deductum Lowell Ahart 1995-9-13 7634 Plumas On the north-east side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  RSA52899  Eriogonum nudum var. deductum R. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2226 Comment
  CAS-BOT-BC261592  Eriogonum nudum var. nudum John Thomas Howell; Gordon H. True 1973-7-31 50077 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC36210  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  UCD19143  Eriogonum nudum var. nudum W. B. McHenry 1990-8-1 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC269721  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas Near Gray's Flat, Feather River Canyon 868 Comment
  JEPS56606  Eriogonum nudum var. oblongifolium W. L. Jepson 1910-6-16 4139 Plumas near Keddie 975 Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  CHSC97571  Eriogonum spergulinum var. reddingianum Lowell Ahart; John Dittes 2007-6-17 14175 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SEINET11933012  Eriogonum spergulinum var. reddingianum W. Knight, Knight, I. 1983-1 4904 Plumas meadow in yellow pine plant community 6 mi out of Chester on road to Drakesbad Comment
  CHSC63467  Eriogonum strictum var. anserinum Lowell Ahart 1994-7-20 7483 Plumas Open bare area, on both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Label said both Plumas and Sierra County. 1981 Comment
  CHSC60545  Eriogonum strictum var. proliferum L. P. Janeway; Garrett Gibson 1992-6-16 4238 Plumas Plumas National Forest Beckwourth Ranger District Beckwourth Compartment. About 1/2 mi north of Beckwourth Peak, ca 2 1/2 mi south-southeast of Portola. 1798 Comment
  CAS-BOT-BC267504  Eriogonum umbellatum John Thomas Howell 1974-9-20 50899 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CDA13437  Eriogonum umbellatum var. dumosum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13284 Plumas Sierra Nevada; Dry, rocky ridgetop on USFS 23N11A, N of Hwy 70, E - 6-7 mi. from Spring Garden. Comment
  UC174723  Eriogonum umbellatum var. dumosum A. A. Heller with P. B. Kennedy 1907-7-15 8838 Plumas below Genessee (near mouth of Little Grizzly creek); Little Grizzly creek Comment
  NY399135  Eriogonum umbellatum var. dumosum Anonymous s.n. Plumas Comment
  CHSC104742  Eriogonum umbellatum var. furcosum L. P. Janeway; Melanie Williams 2009-8-6 9908 Plumas Northern High Sierra Nevada. Plumas National Forest; top of the ridge between Yellow Creek and North Fork Feather River, east of Yellow Creek; 5.5 km north-northeast of Belden. 1461 Comment
  CHSC40926  Eriogonum umbellatum var. modocense K. R. Stern 1985-6-25 8244 Plumas Vicinity of Blairsden. 1371 Comment
  CAS-BOT-BC265160  Eriogonum umbellatum var. nevadense Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC265166  Eriogonum umbellatum var. nevadense Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CHSC39993  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-7 4612 Plumas On open ridge between Ramelli Ranch and Portola, ca. 2 mi e of Portola. 1737 Comment
  CHSC76064  Eriogonum umbellatum var. nevadense G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3265 Plumas Mount Hough summit. 2194 Comment
  JEPS104648  Eriogonum umbellatum var. nevadense Lowell Ahart 2002-7-18 9859 Plumas about 1/8 mi N of int. of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 air mi NW of Little Grass Valley Reservoir dam, about 4 1/2 air mi NW of La Porte; Lat. 39 deg. 44' 32.9, Long. 121 deg. 01' 29.5 1743 Comment
  NY399268  Eriogonum umbellatum var. nevadense L. S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  RSA739742  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-13 9186 Plumas Northern High Sierra Nevada above road 24N31 about 0.8 air kim E of Little Schneider Creek. 1402 Comment
  SEINET11263922  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas On the east side of the dirt road to the siphon, about 1/8 miles north of the siphon, about 1 1/2 air miles southwest of Red Hill, about 2 air miles NE of Belden.; 0 792 Comment
  UC77781  Eriogonum ursinum Mrs. R. M. Austin 1876-1 Plumas American Valley Comment
  CAS-BOT-BC262247  Eriogonum ursinum Clare B. Hardham 1961-6-15 7420 Plumas Sierra Nevada Mountains. Engelmine [Engel Mine] 1828 Comment
  UCD101335  Eriogonum ursinum Margaret Williams; E. McPherson 1974-8-5 P 13 Plumas above Silver Lake on trail to Mt. Elwell, Lakes Basin. 2164 Comment
  CHSC80860  Eriogonum ursinum var. ursinum Lowell Ahart 2001-7-17 8925 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC264127  Eriogonum vimineum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2184 Plumas Mouth of Butterfly, Butterfly Botanical Area and vicinity 883 Comment
  JEPS104634  Eriogonum vimineum Lowell Ahart 2003-8-8 10485 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS113664  Eriogonum vimineum Lowell Ahart, Josephine Guardino 2007-7-20 14318 Plumas Along a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CAS-BOT-BC262328  Eriogonum vimineum W. Harnach; N. Harnach 1989-6-29 200 Plumas Sierra Valley. Hindoo Ranch 1490 Comment
  CAS-BOT-BC264118  Eriogonum vimineum Mrs. H. C. Cantelow 1951-7-29 17 Plumas Hwy. 24, w. of Beckwourth Comment
  CAS-BOT-BC264133  Eriogonum vimineum John Thomas Howell 1959-9-21 34793 Plumas 3 miles above (NE?) Rich Bar, Sierra Nevada Comment
  SEINET5332217  Eriogonum vimineum J. L. Reveal 1975-8-24 3975 Plumas Along California Highway 70 in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground. 876 Comment
  CHSC54499  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1991-7-30 4794 Plumas Big Springs on the west side of Humbug Valley, ca. 7 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced enclosure at the springs. 1310 Comment
  CHSC66648  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1996-7-15 8049 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. High Cascade Range. 1371 Comment
  CHSC78747  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas Northern High Sierra Nevada. Seepy springy mossy drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  SEINET10474639  Eriophyllum lanatum Mary Susan Taylor 1981-5-10 Taylor 3665 A Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  SBBG33885  Eriophyllum lanatum var. croceum L. S. Rose 1969-6-24 69060 Plumas Butterfly Valley, 3 mi W of Keddie 1158 Comment
  CHSC62148  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1993-7-22 4472 Plumas Plumas National Forest. Along the Pipeline Road 3.3 mi northwest of Lower Bucks Lake dam. 1584 Comment
  UCR150988  Eriophyllum lanatum var. grandiflorum L. C. Wheeler 1959-7-15 7568 Plumas Sierra Nevada Mtns, Middle fork of Feather River: McCarty Mine, McCarthy Bar Comment
  SBBG133122  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1968-1 11272 Plumas unknown Comment
  UC566749  Eriophyllum lanatum var. integrifolium H. L. Mason 1924-6-18 1050 Plumas dry sandy bank between meadow and Feather River; Graeagle Comment
  UCD97453  Erodium cicutarium Albert Grigarick 2010-5-11 243 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.5 mi. 1483 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
  SEINET10841502  Erysimum capitatum Mary Susan Taylor 1982-6-2 Taylor 4606 Plumas T23N R11E nw/ne sec 22. Johnsville quad. S side of Poplar Creek Rd (23N08), 0.1 mi e of bridge, ca. 1 mi s of Sloat. 4200 ft. 1280 Comment
  CHSC34276  Erysimum capitatum var. capitatum M. S. Taylor 1981-5-10 3663 A Plumas N side of Genesee Valley Rd, ca. 2 mi e of its jct with Beckwourth Pass turnoff and Flournoy Bridge, ca. 5 air mi e of Genesee. 1280 Comment
  CHSC24210  Erythranthe breweri K. R. Stern 1975-7-23 Plumas Nw end of Lake Almanor. Comment
  CHSC43506  Erythranthe breweri Lowell Ahart 1979-7-18 1995 Plumas Near Finger Board Mountain, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CAS-BOT-BC151494  Erythranthe filicifolia W. D. Dakan 1974-4-28 s.n. Plumas North Fork Feather River 1/2 mile below the mouth of Rock Creek, between Storrie and Elephant Butte Tunnels 548 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CHSC94839  Erythranthe floribunda Lowell Ahart 2006-10-8 13402 Plumas Gravel bar, 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
  CHSC112119  Erythranthe guttata L. P. Janeway 2014-7-15 11531 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC62787  Erythranthe guttata B. Castro; R. A. Schlising 1987-7-21 158 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  SEINET14045706 Image available Erythranthe guttata Francis W. Pennell 1940-1 25813 Plumas Route 24 west of Mohawk R.S. 1463 Comment
  CHSC108554  Erythranthe primuloides B. Castro; L. P. Janeway 2000-7-3 1301 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  CHSC97072  Erythranthe primuloides Lowell Ahart; Josephine Guardino 2007-7-21 14365 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  CAS-BOT-BC505242  Erythronium grandiflorum Anna Head 1921-7-15 s. n. Plumas Feather River Region 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
  UC600727  Eucephalus breweri H. F. Copeland 1928-8-29 Plumas Humboldt Road (summit of) 2133 Comment
  CAS-BOT-BC202527  Euphorbia Roxana S. Ferris 1951-9-14 12467 Plumas Between Graeagle and Calpine just north of Sierra County lne (State Highway 89) Comment
  UCD142382  Euphorbia crenulata Robbins; Raynor 1943-6-1 s.n. Plumas Belden, Feather River Canyon. Comment
  CHSC110230  Eurybia integrifolia L. P. Janeway 2012-9-19 11059 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 0.5 km south of its crossing of South Fork Feather River; 1.6 air mi west-southwest of Pilot Peak. 1938 Comment
  CHSC52723  Eurybia integrifolia L. P. Janeway 1990-8-3 3823 Plumas Plumas National Forest. Meadow at head of small drainage (into Little Grizzly Cr) ca 1 mi SW of Little Grizzly Cr and between Joseph Cr and Oliver Cr. 1981 Comment
  JEPS114610  Eurybia integrifolia Lowell Ahart 2008-9-10 15377 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  CAS-BOT-BC310541  Eurybia integrifolia M. S. Taylor 1982-9-8 5119 Plumas Bellas Flat area on s side of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CAS-BOT-BC310595  Eurybia radulina Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 158907 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC310599  Eurybia radulina J. T. Vale 1988-10-4 s.n. Plumas Bucks Ck. New Rd. 1524 Comment
  CAS-BOT-BC312260  Euthamia occidentalis Malcom A. Nobs; S. Galen Smith 1949-8-19 1455 Plumas Southeastern side of Portola Comment
  CAS-BOT-BC413890  Fallopia convolvulus John Thomas Howell 1951-8-19 28195 Plumas Greenville 1097 Comment
  RSA414216  Festuca idahoensis C. R. Quick 1942-7-31 42 -47 Plumas Near Quincy. Comment
  CHSC87982  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11004 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
  UCD66183  Festuca occidentalis H. S. Yates 1913-6-24 Plumas Massack. 1371 Comment
  CHSC102388  Festuca rubra Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16124 Plumas Edge of a meadow or seep, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC103121  Festuca subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  JEPS87592  Festuca viridula Lowell Ahart 1994-7-7 7469 Plumas nw side of Pacific Crest Trail about 1/4 air mi sw Pilot Peak 2011 Comment
  CAS-BOT-BC461211  Fragaria John Thomas Howell; H. Keith Wagnon 1980-5-27 53634 Plumas About 2 miles NW of Almanor 1389 Comment
  CAS-BOT-BC459444  Fragaria virginiana subsp. platypetala Ella Dales Cantelow 1938-7-4 2307 Plumas Drakesbad Comment
  CAS-BOT-BC55664  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC55676  Frangula purshiana Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC21099  Frangula purshiana F. T. Griggs; A. Pass 1975-7-3 72 Plumas Buck's Lake. N of Grizzly Forebay. Comment
  RSA726870  Frangula purshiana L. P. Janeway 2007-8-12 9159 Plumas Northern High Sierra Nevada. Soapstone Hill, ridgetop along north side of Oroville-Quincy Hwy 0.4 mi east of Frog Rock. Comment
  SEINET11248002  Frangula purshiana M. J. Williams, B. Alrson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville. Comment
  CHSC98918  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9163 Plumas Northern High Sierra Nevada. Ridge top on north side of Oak Ridge, westerly sloping head of Foreman Creek, 1.4 air km north-northwest of Grizzly Summit. Somewhat dry meadowy area in open forest around alder thicket headwaters. 1731 Comment
  HSC99899  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12046 Plumas Along Caribou Road. 718 Comment
  CHSC96742  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-5-20 8982 Plumas Northern High Sierra Nevada. Top of Red Hill. 1929 Comment
  JEPS114195  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-6-3 9024 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountains, near Road 23N69 0.7 mi northwest of the 18 Road. Comment
  UC650346  Frangula rubra E. Fritz 1939-6-18 Plumas North Fork of Spanish Creek Comment
  CAS-BOT-BC55709  Frangula rubra subsp. obtusissima Anna Head 1921-1-1 s.n. Plumas Feather River region Comment
  CAS-BOT-BC53795  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC53798  Frangula rubra subsp. rubra Clarence R. Quick 1953-8-8 53 -115 Plumas Northern slope south of Meadow Valley Comment
  SEINET8584497  Frasera albicaulis var. nitida A. A. Heller, P. B. Kennedy 1907-7-12 8820 Plumas Grade between Greenville and Prattville. Comment
  CDA13349  Fritillaria atropurpurea G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13198 Plumas Sierra Nevada; Uncommon here in dry coniferous understory. Perennial. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  SEINET10469560  Fritillaria atropurpurea Mary Susan Taylor 1982-1 Plumas Comment
  JEPS6710  Galium bolanderi W. L. Jepson 1939-7-31 19290 Plumas w Meadow Valley 1524 Comment
  UCSB17347  Galium grayanum Hardham, Clare 1961-6-16 Plumas Diamond Peak, Sierra Nevada Mountains 2255 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
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  HSC24664  Galium triflorum John Pratt 1970-6-25 44 Plumas 1707 Comment
  CAS-BOT-BC169863  Garrya fremontii John Thomas Howell 1959-9-25 35033 Plumas 1.5 mi. se. of Cromberg 1584 Comment
  CHSC34293  Garrya fremontii M. S. Taylor 1981-8-18 4219 Plumas S side of 23N10, 0.2 mi w of Bell Creek, ca. 1.5 mi w of Sloat. 1371 Comment
  UC1122667  Garrya fremontii R. Roseberry 1934-11-1 2 Plumas 2 mi nw Mt. Jackson; Plumas National Forest, Downieville Quad. 1493 Comment
  SEINET10906888  Garrya fremontii Mary Susan Taylor 1982-5-15 Taylor 4453 Plumas T21N R12E ne/sw sec 32. Sierra City NW quad. Along Gray Eagle Lodge Rd, just sw of its jct with Hwy 519, ca. 7 mi s of Mohawk. 5700 ft. 1737 Comment
  SEINET4149975  Gayophytum diffusum subsp. diffusum C. Tanner 1999-8-2 s.n. Plumas Portola, growing in yard at 433 W. Plumas St. 1484 Comment
  CHSC79536  Gayophytum diffusum subsp. parviflorum G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13204 Plumas Northern California. Sierra Nevada - Plumas National Forest. 2.5 mi E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Creek. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  JEPS114515  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2008-8-14 15197 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  UC1122564  Gayophytum heterozygum G. T. Nordstrom 1934-7-10 214 Plumas 2 mi sw Gravel Range; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CDA25040  Gayophytum humile G. D. Barbe, T. C. Fuller 1982-6-17 3830 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC62151  Gayophytum humile L. P. Janeway 1993-7-21 4467 A Plumas Plumas National Forest. Southwest side of Red Clover Valley, 0.9 mi southeast of Clover Valley Ranch; 200 ft south of the Beckwourth-Genesee Road along logging spur 24N66X. Along edge of dirt road. 1685 Comment
  CHSC97191  Gayophytum humile Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14046 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CDA19774  Genista monspessulana Fraser 2002-4-1 PDR 1193567 Plumas Sierra Nevada; Rush Creek. 0 Comment
  CHSC115745  Gentiana calycosa L. P. Janeway 2015-8-3 11813 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
  UC405460  Gentiana calycosa Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1191686  Gentianopsis holopetala Malcolm A. Nobs and S. Galen Smith 1949-8-19 1433 Plumas at Butterfly Valley Butterfly Valley Comment
  POM181036  Geum macrophyllum A. A. Heller, P. B. Kennedy 1907-7-9 s.n. Plumas Prattville. Comment
  RSA52869  Geum macrophyllum R. Weatherby 1950-7-7 1447 Plumas Quincy. 1220 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
  RSA718441  Gilia capitata subsp. mediomontana L. Ahart 2006-7-9 12936 Plumas about 20 yards south 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 1662 Comment
  UC572585  Gilia capitata subsp. mediomontana A. Lewis 1934-6-12 475 Plumas Mooreville Ridge 4 1/2 mi sw Lexington Hill; Bidwell Bar Quad., Plumas National Forest, sw of Lexington H Comment
  UCD149484  Gilia modocensis G. Ledyard Stebbins 1982-6-13 C 201 Plumas West side of Stony Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CHSC103137  Gnaphalium canescens subsp. thermale Lowell Ahart; John Dittes 2009-9-7 16377 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC307375  Gnaphalium palustre John Thomas Howell 1926-7-26 2140 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC307379  Gnaphalium palustre John Thomas Howell 1961-9-22 36797 Plumas Wolf Creek, Greenville, Sierra Nevada 1088 Comment
  CHSC81754  Gnaphalium palustre Lowell Ahart 2001-10-16 9369 Plumas On the north side of a small stream, and on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  JEPS33990  Gnaphalium palustre W. L. Jepson 1918-8-16 8010 Plumas Lights Creek Engels 1341 Comment
Read comments
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  RSA122373  Gnaphalium thermale C. G. Albertus 1935-8-9 12869 Plumas 4.5 miles NE of Quincy. 1220 Comment
  CAS-BOT-BC304930  Grindelia hirsutula Robert J. Weatherby 1950-7-28 1494 Plumas On highway 89, along Indian Creek, south of Crescent Mills 1005 Comment
  CHSC97792  Grindelia squarrosa var. serrulata L. P. Janeway; B. Castro 2007-8-18 9203 Plumas Northern High Sierra Nevada. Along Hwy 70/89 2.0 km northwest of Greenhorn Ranch Road; about 1.6 km northwest of Spring Garden. 1192 Comment
  UCR244689  Hackelia J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54279 Plumas Sierra Nevada Mtns., C. 1.3 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy 2043 Comment
  SEINET10546929  Hackelia Mary Susan Taylor 1982-6-17 Taylor 4696 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  CAS-BOT-BC231133  Hackelia amethystina John Thomas Howell; Gordon H. True 1973-8-1 50190 Plumas Ca. 2.5 miles SE of Diamond Mountain 2164 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
  JEPS67921  Hackelia californica W. L. Jepson 1927-6-23 12310 Plumas flats near Camp Lee; Warren Creek 1584 Comment
  SEINET3841326 Image available Hackelia micrantha Johnnie L. Gentry Jr., David O. Vierig 1968-6-20 2077 Plumas Mt. Hough, 10.4 miles NE Quincy, Mt. Hough-Crystal Lake Road 2012 Comment
  CDA14730  Hackelia nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3258 Plumas Mount Hough-Crystal Lake Road, 1.4 miles below (southeast of) Mt. Hough summit. 1950 Comment
  POM255851  Hackelia nervosa Marion Ownbey, Ruth Ownbey 1938-7-14 1735 Plumas Summit from Jonesville, Sierra Nevada Comment
  RSA95529  Hackelia nervosa J. T. Howell 1951-6-27 27623 Plumas Jamison Creek 1829 Comment
  UC1586425  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1991-6-18 4676 Plumas 1.7 mi ne of its junction with County Rd. 201 (Old Haun Road) ca 4 mi (air) nnw Greenville (Forest Road 28N38) 1463 Comment
  UCR108417  Hastingsia alba L. C. Wheeler 1958-7-28 7338 Plumas Sierra Nevada Mtns, South Fork Rock Creek, c. 0,5 mi east of Bottle springs, near Quincy 1585 Comment
  CAS-BOT-BC508329  Hastingsia alba Mrs. Jos. Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC508340  Hastingsia alba Walter Knight; Irja Knight 1966-6-18 1292 Plumas Butterfly Valley, Sierra Nevada 1112 Comment
  JEPS26737  Hastingsia alba P. C. Hutchison 1961-6-9 2123 Plumas 1.8 mi above Rich Bar ((as measured from junction of side road to Rich Bar), [Probably Kellogg Creek], along road [US Alternate 40], Feather River Canyon); Feather River Canyon 762 Comment
  CHSC34300  Hazardia whitneyi J. D. Jokerst; R. A. Schlising 1981-8-1 1451 B Plumas Ca 0.5 mi NE of summit Humboldt Peak at saddle along ridge between the former and Eagle Rock. Comment
  UCD130280  Helenium bigelovii Albert Grigarick 2011-8-15 293 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. 1884 Comment
  CHSC21815  Helianthella californica F. T. Griggs; A. Pass 1975-7-16 201 Plumas Bucks Lake Forest Service Survey. Comment
  SEINET11196751 Image available Helianthella californica W. Harnach 1990-6-19 397 Plumas SierraValley, Genesse Rd. N of Beckwourth 1585 Comment
  UCD107441  Helianthella californica var. nevadensis Tim Kuhn 2006-7-9 18 Plumas Southwest of Lake Davis. Comment
  CAS-BOT-BC314800  Helianthella californica var. nevadensis John Thomas Howell 1975-6-16 51142 Plumas 2 miles northwest of Spring Garde, Sierra Nevada 1173 Comment
  UCD132766  Helianthella californica var. nevadensis J. I. Mallory 1968-4-1 279 Plumas La Porte area, Plumas National Forest. 1798 Comment
  CAS-BOT-BC305358  Helianthus annuus M. S. Taylor; M. Foster 1981-8-13 4172 Plumas Plumas NF/Greenville Rd. Greenville, s end, w side of Hwy 89 1158 Comment
  CAS-BOT-BC305544  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  CAS-BOT-BC315018  Hemizonella minima A. A. Heller; P. B. Kennedy 1907-7-3 8697 Plumas Hills above Red Clover Valley Comment
  UC1191097  Hemizonella minima Francia Chisaki 1956-5-31 896 a Plumas on road to Calpine about 3 mi s junction with Highway #40; Sierra Valley Comment
  JEPS114926  Heracleum lanatum Lowell Ahart 2008-7-16 15078 Plumas Forest floor, in a small seep, 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 1597 Comment
  CHSC689  Hesperochiron californicus V. Holt 1935-6-1 Plumas Chilcoot 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
  CDA13372  Hesperolinon micranthum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13221 Plumas Sierra Nevada; E side of Sloat Rd. Inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  POM147044  Hesperolinon micranthum Alice Eastwood 1927-06 14931 Plumas On road from Chilcott, United States Forest Reserve Comment
  CHSC99816  Heterocodon rariflorum Lowell Ahart 2008-8-14 15209 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  RSA59914  Heterocodon rariflorum E. K. Balls 1950-9-15 15829 Plumas North Fork Feather River, 6 miles NW of Chester. 1402 Comment
  SEINET10460708  Heterocodon rariflorum Howell 1951-6-28 Howell 27675 Plumas JAMISON CREEK 5200 Comment
  CHSC41151  Heterotheca villosa var. minor J. D. Jokerst 1984-7-10 2091 Plumas Canyon of Indian Creek between the creek and Indian Cr Road, east of Rattlesnake Ravine. 1249 Comment
  SEINET5708824 Image available Heterotheca villosa var. minor Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7716 Plumas Chilcoot. Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CAS-BOT-BC310937  Heterotheca villosa var. minor G. Sommers 1976-8-20 239 Plumas Sierra Valley along Highway 70 5 km west of Vinton 1487 Comment
  SD8410  Heuchera micrantha Mrs. R. M. Austin 1875-1 Plumas Black Hawk Creek Comment
  CAS-BOT-BC424167  Heuchera micrantha var. erubescens John Thomas Howell 1951-6-28 27666 Plumas Jamison Creek 1584 Comment
  CAS-BOT-BC425154  Heuchera rubescens John Thomas Howell; Gordon H. True 1967-7-11 43352 Plumas Summit ridge of Mt. Hough 2194 Comment
  UCR89180  Hieracium albiflorum Walter Knight, J. T. Howell, I. Knight 1966-7-28 s.n. Plumas Butterfly Canyon along roadside 991 Comment
  CAS-BOT-BC316036  Hieracium scouleri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54211 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 1584 Comment
  SEINET10457158  Hippuris vulgaris Mary Susan Taylor 1982-8-27 Taylor 5069 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CAS-BOT-BC152717  Holodiscus microphyllus var. microphyllus Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC152723  Holodiscus microphyllus var. microphyllus John Thomas Howell; Gordon H. True 1973-7-31 50068 Plumas Summit ridge of Thompson Peak, Diamond Range - Sierra Nevada 2362 Comment
  CAS-BOT-BC284653  Hordeum brachyantherum subsp. brachyantherum Lewis S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  UC1024784  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-8-8 2239 Plumas ca. 9 mi NW of Portola (Freeman Creek, NW end of Big Grizzley Valley); Plumas National Forest 1828 Comment
  CHSC102051  Hordeum jubatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16244 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS113678  Hordeum jubatum Lowell Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC285108  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1966-6-18 1380 Plumas Butterfly Valley 1127 Comment
  HSC100762  Horkelia fusca subsp. parviflora Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16145 Plumas W side of F.S. Rd. 27N92K, E side of Long Valley, 3.5 (air) mi. WSW of Greenville, 5.2 (air) mi. SE of Lake Almanor Dam. 1607 Comment
  POM295333  Horkelia fusca subsp. tenella Lyman D. Benson 1949-6-21 13743 Plumas Meadow 1 mile W of Lake Almanor Inn. Feather River 1341 Comment
  RSA34829  Horkelia fusca subsp. tenella Roxana S. Ferris, Laura Lorraine 1941-8-9 10423 Plumas At Lake Almanor Public Camp (near village) Comment
  POM250772  Horkelia fusca var. brownii D. D. Keck, Robert Gustafson 1938-8-9 4904 Plumas 3 miles S of Beckwith, Sierra Valley, on road to Loyalton 1494 Comment
  CAS-BOT-BC537871  Horkelia fusca var. parviflora Anna Head 1921-8-15 s. n. Plumas Feather River Region: Lake Center Camp Comment
  SEINET6768050  Horkelia tridentata subsp. flavescens P. A. Lehenbauer 1934-5-25 s.n. Plumas Sierra Nevada; 15 miles W of Portola. 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-BC201087  Hosackia crassifolia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SD52134  Hosackia pinnata Frank Stephens 1894-6-26 2199 Plumas Quincy 975 Comment
  SBBG6107  Hydrophyllum capitatum H. and M. Dearing 1939-5-9 3315 Plumas Blairsden 1310 Comment
  CHSC21321  Hydrophyllum occidentale F. T. Griggs; A. Pass 1975-7-8 112 Plumas Buck's Lake Forest Service Survey. Comment
  UC1586075  Hydrophyllum occidentale Barbara Ertter with Gary Schoolcraft 1989-7-3 8671 Plumas ca 7 air mi s Susanville (Diamond Mt. peak, n-face); Diamont Mt. 2286 Comment
  UCSB16024  Hydrophyllum occidentale Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CHSC21029  Hypericum anagalloides F. T. Griggs; A. Pass 1975-7-10 136 Plumas Buck's Lake Forest Service Survey. Comment
  POM86609  Hypericum androsaemum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC33886  Hypericum formosum subsp. scouleri M. S. Taylor 1981-7-21 4085 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  CDA43022  Hypericum formosum var. scouleri L. Ahart 2009-7-22 16137 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. Comment
  CAS-BOT-BC401438  Hypericum scouleri Walter Knight; Irja Knight 1966-6-18 1331 Plumas Butterfly Valley 1173 Comment
  CHSC118703  Hypochaeris glabra Wendy L. Boes; Jim Battagin 2015-5-12 2015007 A Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  CAS-BOT-BC88629  Idahoa scapigera Helen MacGavin 1974-1-1 s.n. Plumas Sierra Nevada. Portola. Comment
  UC879866  Ipomopsis aggregata Anna Head 1921-1 Plumas Lake Center Camp Feather River Region Comment
  CHSC53144  Ipomopsis aggregata subsp. formosissima L. P. Janeway 1989-6-23 3391 Plumas Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east. 1767 Comment
  RSA59455  Ipomopsis aggregata subsp. formosissima E. K. Balls 1950-9-2 15655 Plumas south slope below Mt. Ingalls Lookout, area north of Grizzly Valley 2439 Comment
  CAS-BOT-BC135741  Iris hartwegii Elmer I. Applegate 1934-5-3 8904 Plumas Near and north of Quincy 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
  SBBG93328  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1249 Comment
  RSA517035  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1250 Comment
  CHSC92169  Isoetes howellii Lowell Ahart; John Dittes 2005-9-19 12372 Plumas In Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  JEPS127220  Isoetes howellii Lowell Ahart 2016-8-30 21320 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  UC1026367  Isopyrum stipitatum W. I. Follett and Evelyn B. Follett 1952-5-30 Plumas Rich Gulch 1173 Comment
  CAS-BOT-BC324816  Iva axillaris John Thomas Howell 1955-7-19 30738 Plumas Beckwourth, Sierra Nevada 1493 Comment
  CDA19272  Ivesia aperta var. aperta G. D. Barbe, T. C. Fuller 1982-6-17 3837 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  UCD113579  Ivesia aperta var. aperta Dean Wm. Taylor; Glenn Clifton 1990-6-25 11170 Plumas Summit of Doyle Grade, in the drainage of Little Last Change Creek, ca. 1 mile W of Meadow View Campground. 1950 Comment
  CAS-BOT-BC142392  Ivesia sericoleuca Ethel Crum 1937-8-5 1934 Plumas Sierra Valley, one mile northeast of Sierraville Comment
  RSA516513  Ivesia sericoleuca W. L. Jepson 1939-8-16 19432 Plumas Portola. Comment
  UC161893  Ivesia sericoleuca Katharine Brandegee 1912-7-30 Plumas Portola Comment
  UCD108050  Juncus bufonius Tim Kuhn 2006-6-22 84 Plumas near Bagley Pass. Comment
  CHSC40258  Juncus bufonius var. bufonius Lowell Ahart 1985-7-11 5133 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  RSA52925  Juncus bufonius var. bufonius R. Weatherby 1950-7-28 1489 Plumas North edge of Taylorsville. 1098 Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CHSC108041  Juncus covillei L. P. Janeway 2011-9-22 10739 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above water line. 1468 Comment
  CHSC52751  Juncus ensifolius Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  CHSC95020  Juncus ensifolius Lowell Ahart 2006-10-23 13490 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
  RSA463101  Juncus ensifolius Lyman Benson 1932-7-29 4005 .5 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  UCD141537  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  UCD33602  Juncus ensifolius Beecher Crampton 1970-6-25 8635 Plumas Quincy. 1043 Comment
  SEINET11787641  Juncus hemiendytus Unknown 1985-1 5135 Plumas LIttle Grass Valley Res, where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 Comment
  CHSC80301  Juncus hemiendytus var. hemiendytus L. P. Janeway 1996-6-5 5005 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.9 mi west of the road to Calpine. 1487 Comment
  CHSC100055  Juncus laccatus Lowell Ahart 2008-8-14 15217 Plumas Scattered along drainages in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin ridge road, about 5 miles (air) northwest of La Porte. 1725 Comment
  CHSC43005  Juncus nevadensis L. P. Janeway; B. Castro 1987-7-17 2486 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. Mdw. 1584 Comment
  CHSC58534  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1992-7-6 5065 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In a meadow. 1770 Comment
  JEPS114894  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15366 Plumas On small gravel bar 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
  JEPS114897  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC52748  Juncus occidentalis L. P. Janeway 1990-8-29 3843 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. 1905 Comment
  CHSC100328  Juncus orthophyllus Lowell Ahart 2008-7-9 15056 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1645 Comment
  CHSC108028  Juncus orthophyllus L. P. Janeway; B. Castro 2011-10-2 10752 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  JEPS114941  Juncus orthophyllus Lowell Ahart 2008-9-10 15383 Plumas On the north side of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  SEINET10938192  Juncus sphaerocarpus Mary Susan Taylor 1982-7-8 Taylor 4794 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
  CHSC100341  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  SEINET8567016 Image available Juncus uncialis A. A. Heller, P. B. Kennedy 1907-7-6 Plumas Red Clover Valley Comment
  CHSC63953  Juniperus communis B. Castro; G. Kuenster 1994-6-30 518 Plumas Ca. 0.1 mi SE of Grizzly Mtn (=Red Mtn on some Maps), along either side of USFS Rd 23N69. 1911 Comment
  JEPS126597  Juniperus grandis Lowell Ahart 2016-6-29 21062 Plumas Top and southeast part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC45599  Kalmia polifolia Lynn J. Gillespie 1982-5-23 Plumas Ca. 3.5 miles northeast of Spanish Ranch, ca. 100 miles north of Snake Lake. 1219 Comment
  LA41755  Kalmia polifolia C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC25748  Kalmia polifolia subsp. microphylla John Steiner 1977-6-15 75 Plumas Lassen Volcanic National Park. 0.5 km n King's Creek and 2.3 km e Lake Helen. 2292 Comment
  CDA9313  Keckiella breviflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .264 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CAS-BOT-BC246160  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CAS-BOT-BC246166  Keckiella lemmonii John Thomas Howell 1976-7-16 51915 Plumas Just east of Bucks Summit on road to Meadow Valley, Sierra Nevada 1645 Comment
  CHSC102072  Keckiella lemmonii Lowell Ahart; John Dittes 2009-7-15 16099 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 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
  NY790348  Keckiella lemmonii J. T. Howell 1966-7-26 42001 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609.6 Comment
  POM284292  Kelloggia galioides Lyman D. Benson 1932-7-29 4006 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS40362  Kyhosia bolanderi John Thomas Howell 1926-7-31 Plumas near Prattville 1463 Comment
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CAS-BOT-BC340413  Lactuca biennis Lowell Ahart 1979-8-16 s.n. Plumas Where the road crosses Bear Gulch. Along the edge of Bear Gulch. Bear Gulch is 2 1/2 mi. e of Little North Fork Camp 1600 Comment
  CHSC84421  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  CHSC36332  Lagophylla ramosissima M. S. Taylor 1982-6-28 4766 Plumas Ramelli Ranch, s of Hwy 70, w of Calpine Rd, ca. 1 mi w of Beckwourth. Along dirt roads. 1487 Comment
  SBBG34030  Lagophylla ramosissima L. S. Rose 1969-6-24 Plumas Butterfly Valley, 3 mi W of Keddie 1158 Comment
  SEINET10474768  Lagophylla ramosissima Mary Susan Taylor 1982-6-28 Taylor 4766 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC205067  Lathyrus sulphureus John Thomas Howell 1975-7-22 51374 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC1121006  Ledum glandulosum F. W. Embree 1934-6-6 87 Plumas Plumas National Forest, at Three Lakes Three Lakes; Plumas National Forest, Three Lakes 1889 Comment
  UC1101263  Lemna trisulca Malcolm A. Nobs, S. Galen Smith 1949-8-20 1475 Plumas 9 mi s of Milford Road (on road between Beckwith and Milford, Willow Creek); Willow Creek Comment
  UC1101260  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas near Chester Comment
  CHSC43449  Lepidium campestre Lowell Ahart 1974-8-9 599 Plumas Along the edge of the road, near Catrell Creek, about 4 miles east of Cold Water Creek. 1524 Comment
  JEPS53665  Lepidium campestre W. L. Jepson 1939-8-8 19471 a Plumas Meadow Valley 1158 Comment
  SD46550  Lepidium campestre Robert J. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy 1064 Comment
  CDA24901  Lepidium densiflorum var. macrocarpum T. C. Fuller 1959-7-6 4296 Plumas Highway 40A, North Fork Feather River bridge, 2 miles southwest of Storrie. 0 Comment
  CAS-BOT-BC89704  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a littel east of Sawpit Flat, about 1.25 mile southwest of Finger Board. 1828 Comment
  CAS-BOT-BC12822  Lepidium perfoliatum W. Harnach; N. Harnach 1989-6-17 148 Plumas SIerra Valley. Approximately 200 feet west of the steel bridge on Marble lane. 1487 Comment
  CAS-BOT-BC12827  Lepidium perfoliatum David D. Keck 1932-7-3 1663 Plumas Quincy, within a few meters of the main street. At two localities 0.5 mile apart. 1065 Comment
  CAS-BOT-BC12990  Lepidium virginicum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54230 Plumas Sierra Nevada. About 4 miles southeast of Mount Hough on the road to Quincy. 1645 Comment
  SEINET3840878  Leptosiphon harknessii M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe 1982-6-17 3836 Plumas Frenchman Lake, Crystal fishing access, marshy arm of the lake at the paking lot, USGS Quadrangle: Frenchman Lake 7.5 1710 Comment
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  CHSC55661  Leucanthemum vulgare K. R. Stern 1985-6-25 8235 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC118668  Leucanthemum vulgare Chelsea Morgan; Wendy L. Boes 2015-5-20 2015003 Plumas Plumas National Forest. Located in Black Gulch, southwest of Forest Service road 24N29X, east of 24N95. UTM 662470 E, 4421842 N, NAD83 Zone 10N. 1280 Comment
  SEINET7270543  Leucothoe davisiae M. J. Williams, E. McPherson 1974-8-5 74 -P-3 Plumas Lake's Basin, near Silver Lake 2035 Comment
  CAS-BOT-BC233776  Lewisia cantelovii Antoine Lefebre 1941-9-1 s.n. Plumas Feather River Canyon below road to Lake Almanor Comment
  SEINET5336486  Lewisia nevadensis M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge, above Johnsville. 2271 Comment
  UC725362  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas 2 mi e on State Highway 36 Plumas county line Comment
  CAS-BOT-BC283803  Leymus cinereus Fred Sommers; Greg Sommers 1976-7-20 153 Plumas Sierra Valley Marsh, on S side of Marble Lane 1487 Comment
  UC523875  Leymus cinereus C. R. Ball 1932-7-24 699 Plumas Humbug Rd 9 mi sw Lake Almanor (20 mi ne of Chaparral, road side); Humbug House Comment
  CAS-BOT-BC283808  Leymus cinereus John Thomas Howell 1961-9-23 36861 Plumas Indian Valley 1082 Comment
  SEINET10531229  Libocedrus decurrens Bonnie C. Templeton 1967-4-23 Templeton 10746 Plumas National forest near Quincy. Mtn slope. Assoc. with sugar pine, ponderosa, white fir. Comment
  JEPS28607  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 1767 Comment
  CAS-BOT-BC509320  Lilium kelleyanum John Thomas Howell 1960-7-21 35862 Plumas On trail to Little Willow Lake 1767 Comment
  CAS-BOT-BC509326  Lilium kelleyanum Anna Head 1921-7-6 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC509345  Lilium kelleyanum Joseph Andorfer Ewan 1934-6-25 8220 Plumas Gold Lake Road above Deuters (Blairsden) 1524 Comment
  CAS-BOT-BC509349  Lilium kelleyanum M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi so of Mohawk 1920 Comment
  UC608832  Lilium pardalinum Beryl O. Schreiber 1938-7-9 2524 Plumas 1 mi s Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC130712  Lilium pardalinum Paul F. Covel 1937-7-20 707 Plumas Pass east Buck's Comment
  CHSC71662  Lilium pardalinum subsp. shastense Vernon H. Oswald; Lowell Ahart 1998-8-11 9479 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  HSC101686  Lilium washingtonianum Dillon North Davis 2013-7-1 31 Plumas 4.8 miles south of FS Road 25N17 from intersection with Highway 70 1576 Comment
  CAS-BOT-BC246069  Limosella aquatica Lowell Ahart 1981-9-6 3109 Plumas 1 1/2 miles SW of Crescent Mills, Sierra Nevada 1200 Comment
  CHSC37012  Limosella aquatica M. S. Taylor 1982-9-7 5107 Plumas Ramelli Ranch, in moist sand on s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC246073  Limosella aquatica L. P. Janeway 1992-11-16 4312 Plumas Middle Fork Feather River 1.5 mi. west of Beckwourth, Beckwourth Ranger District, Plumas National Forest 1481 Comment
  UC133949  Linanthus harknessii Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS58436  Linanthus harknessii Herbert L. Mason 1924-6-20 1084 Plumas between Gold Lake Bear Lake Comment
  UC1561216  Lindernia dubia var. anagallidea Barbara Ertter 1988-10-21 8000 Plumas 1.5 mi e Chester (on Hwy 36, Lake Almanor, e end of causeway, s of road); Lake Almanor 1341 Comment
  RSA52882  Lindernia dubia var. anagallidea R. Weatherby 1950-7-28 1530 Plumas At Smith Lake. 1250 Comment
  CHSC94978  Lindernia dubia var. dubia Lowell Ahart 2006-10-8 13393 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
  CHSC117658  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas On the east side of Quartz Creek, about one mile northeast of Quartz Hill, about 7 miles (air) northeast if Feather Falls. 1070 Comment
  JEPS127127  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas About one mille northeast of Quartz Hill, about 7 miles (air) northeast of Feather Falls. Comment
  SEINET10493819  Linum lewisii Mary Susan Taylor 1982-5-28 Taylor 4560 A Plumas T25N R14E nw/sw sec 27. Crocker Mt quad. In Sagebrush Scrub in Squaw Valley, jct of 26N70 & 28N01, ca. 16 mi s of Milford. 5600 ft. 1707 Comment
  CHSC101466  Listera convallarioides L. P. Janeway; Jason Emmons, Dorothy Kieffer 2009-4-29 9830 Plumas Northern High Sierra Nevada. Rock Island Ridge, 1.8 air km east of Walker Plains. Small seep and associated southwest-flowing drainage on upper ridge. 1558 Comment
  JEPS114935  Listera convallarioides Lowell Ahart 2008-7-16 15091 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  RSA636045  Lomatium donnellii Michael A. Vincent 1999-6-8 8555 Plumas Plumas National Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40 Comment
  CHSC89801  Lomatium macrocarpum G. Douglas Barbe; T. C. Fuller 1982-6-15 3719 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  SEINET3452044  Lonicera hispidula var. vacillans G. Douglas Barbe, J. T. Howell, Thomas C. Fuller 1981-6-26 3378 Plumas Madone Lake, Madone Lake 600 Comment
  CHSC21282  Lonicera involucrata var. involucrata F. T. Griggs; A. Pass 1975-8-2 292 Plumas Buck's Lake. Comment
  RSA0035399  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas About 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  SEINET10451963  Lotus crassifolius Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4666 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
  RSA443120  Lotus incanus L. Ahart, P. Ahart 1985-7-1 5095 Plumas About 1/2 mile east of Cement Creek, about 1/2 mile north of Onion Valley Creek, about 4 miles northwest of Pilot Park. 1829 Comment
  UC80774  Lotus pinnatus F. Stephens 1894-4-29 Plumas 5 mi nw Greeneville 1280 Comment
  SEINET3696859 Image available Lotus purshianus A. A. Heller 1938-7-2 15243 Plumas Feather River Highway near Gray's Flat 869 Comment
  CHSC94660  Ludwigia palustris Lowell Ahart 2006-10-8 13415 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
  SBBG3623  Lupinus adsurgens var. undulatus H. and M. Dearing 1939-5-9 3222 Plumas near Quincy Comment
  SEINET10488369  Lupinus albicaulis Patricia L. Kenney 1973-6-5 Kenney 421 Plumas Along roadside of hwy 89, 5 miles n of junction of hwy 70 and 89. Yellow pine, Douglas fir and oaks 1067 Comment
  CDA27355  Lupinus albicaulis var. shastensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3084 Plumas East of Lariat Motel, East Quincy. Comment
  CHSC52419  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 C Plumas Plumas National Forest. Along top of Eureka Ridge ca 0.5 mi south of the head of Bear Cr. 2103 Comment
  CHSC52420  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 D Plumas Plumas National Forest. Along top of Eureka Ridge ca 0.5 mi south of the head of Bear Cr. 2103 Comment
  RSA29125  Lupinus apertus J. T. Howell 1951-6-27 27606 Plumas Jamison Creek. 1890 Comment
  CHSC52423  Lupinus arbustus L. P. Janeway 1990-7-12 3794 A Plumas Plumas National Forest. Top of small peak along Eureka Ridge ca 0.8 mi south of the head of Bear Creek. 2148 Comment
  JEPS85919  Lupinus arbustus L. P. Janeway 1990-7-12 3794 B Plumas top of small peak along Eureka Ridge ca 0.8 mi s of the head Bear Creek (Beckwourth Ranger District); Plumas National Forest, Johnsville Quad., Bear Creek 2148 Comment
  JEPS85920  Lupinus arbustus L. P. Janeway 1990-7-12 3794 A Plumas top of small peak along Eureka Ridge ca 0.8 mi s of the head Bear Creek (Beckwourth Ranger District); Plumas National Forest, Johnsville Quad., s Bear Creek 2148 Comment
  UC1129535  Lupinus arbustus F. W. Embree 1934-6-6 91 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC208797  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-2 8685 Plumas Between Vinton and Beckwith Comment
  SEINET5327835  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-6-16 380 Plumas Sierra Valley; Frank Dotta Ranch NW of Vinton 1524 Comment
  UC1129433  Lupinus argenteus var. heteranthus C. W. Hanks 1934-8-10 37 Plumas s side Frenchman Creek; Plumas National Forest, Sierraville Quad. 1615 Comment
  UC1129503  Lupinus argenteus var. meionanthus E. Sawyer 1935-6-27 165 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. Comment
  SEINET10874089  Lupinus breweri Mary Susan Taylor 1982-6-1 Taylor 4578 Plumas T26N R9E se/sw sec 6. Almanor NE quad. On n edge of 27N39 spur rd off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  CAS-BOT-BC196668  Lupinus breweri var. breweri M. S. Taylor 1982-6-1 4578 Plumas On n edge of spur rd (27N39) off 26N18, Long Valley Mine area, ca. 4 mi w of Greenville 1524 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
  CHSC110002  Lupinus breweri var. breweri B. Castro; L. P. Janeway 2006-6-4 1542 Plumas Northern High Sierra Nevada. Ca 0.3 mi E of Grizzly Valley Dam along Lake Davis Rd, ca0.2 mi W of its jcn with the Beckworth-Taylorsville Rd. 1787 Comment
  SEINET10490609  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-6-28 Taylor 4754 Plumas T23n, r14e, nw1/4ne1/4 sec 27. Portola quad. Corolla blue. Ramelli ranch, s Of hwy 70, ca 1 mi. W of beckwourth. Sagebrush scrub. With phaceli hastata. 1487 Comment
  SEINET10490669  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-7-10 Taylor 4620 Plumas T23n, r15e nw1/4sw1/4, sec. 7. Reconnaissance peak quad. Corolla blue. Around grassy knoll with large granite boulders, sw of 23n72, ca. 1 Mi. W of Table rock, ca. 3 Air mi. Ne of beckwourth. With phacelia linearis, penstemon Deustus. 1554 Comment
  SEINET12161689  Lupinus confertus Detzer 1977-1 21 Plumas ca 3.5kmNE of Squaw Pk., E bank of unimproved USFS rd. Sec 1 T25N R14E 601 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-BC215359  Lupinus dalesiae M. S. Taylor 1982-6-24 4752 Plumas Roadbank, N side of ridge at entrance to Gansner Park from Highway 70, Quincy 1066 Comment
  CAS-BOT-BC215385  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas S side of Poplar Creek Road (23N 08), 0.1 mile E of bridge, ca. 1 mile S of Sloat 1280 Comment
  CAS-BOT-BC215389  Lupinus dalesiae M. S. Taylor 1982-6-16 4685 A Plumas Both sides of 24N13, ca. 1.0 mile N of its junction with Willow Creek Road (23N90), ca. 4 air miles SE of Quincy 1645 Comment
  CAS-BOT-BC215393  Lupinus dalesiae M. S. Taylor 1982-5-27 4550 Plumas E side of Dean's Valley Road (24N29), 0.4-0.5 mile S of its junction with Bucks Lake Road, ca. 1 mile NE of Meadow Valley 1158 Comment
  CAS-BOT-BC215398  Lupinus dalesiae L. P. Janeway 1990-6-6 3698 Plumas Flat on N side of Long Valley ca 0.5 mile E of Rattlesnake Creek and ca 0.5 ile N of Highway 70/89; vicinity of Sloat 1356 Comment
  CAS-BOT-BC215417  Lupinus dalesiae Anna Head 1920-7-16 s.n. Plumas Near top of peak, above Round Lake and also on Elwell 2286 Comment
  CAS-BOT-BC215423  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley, 7 miles W of Quincy Comment
  CHSC35908  Lupinus dalesiae M. S. Taylor 1982-6-17 4701 Plumas N side of 23N09.1- Eureka Ridge Rd, 0.2-0.3 mi w of its jct with Popular Creek Rd (23N08), s of Sloat. 1402 Comment
  CHSC36198  Lupinus dalesiae M. S. Taylor 1982-6-2 4597 Plumas Along 23N11, on loop through Cogswell Ravine, on roadcut and upslove in disturbed areas, 3.2 mi ne of Jackson Creek Campground, ca. 5 air mi n of Mohawk. 1737 Comment
  CHSC98936  Lupinus dalesiae Samantha Mackey Hillaire; Eliza Shepard 2007-7-11 1242 Plumas And NE1/4 of NE1/4 of sec 34. Road along east side of Butt Reservoir. Mapped in five places along roadcut. 1280 Comment
  JEPS106017  Lupinus dalesiae Lowell Ahart, Josephine Guardino 2004-5-24 10950 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  JEPS109831  Lupinus dalesiae Dean W. Taylor 2005-5-26 19326 Plumas Feather River Canyon, Forest Road 24N26 along the ridge dividing Yellow Creek from North Fork Feather River 1453 Comment
  JEPS85923  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas ca 1/0 mi n of Hwy 70/89 wnw facing slope along Rattlesnake Creek (vicinity of Long Valley, Sloat); Plumas Natl Forest, Mt. Ingalls Quad., Rattlesnake Creek 1417 Comment
  NY15847  Lupinus dalesiae H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles east of Meadow Valley Inn near Quincy Comment
  UC1552819  Lupinus dalesiae Frederica Bowcutt 1985-5-16 522 Plumas Plumas National Forest Comment
  UC170943  Lupinus dalesiae H. M. Hall 1912-7-12 9313 Plumas e slope Mt. Elwell; Sierra Nevada Mountains, e slope Mt. Elwell 2133 Comment
  UC640271  Lupinus dalesiae H. and M. Dearing 1939-5-9 3222 Plumas near Quincy; near Quincy 609 Comment
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Mar 27 2007
  RSA0003389  Lupinus dalesiae Ella Dales Cantelow 1940-5-12 3862 Plumas 2.4 mi E of Meadow Valley Inn near Quincy. Comment
  SEINET10452062  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4683 Plumas T23N R10E ne/nw sec 5. Quincy quad. Open bare rdcut, 1/4 mi n of jct of 23N90 & 24N14, ca. 1/2 mi n of Willow Creek, ca. 4 air mi se of Quincy. 5099 ft. 1554 Comment
  SEINET10485181  Lupinus dalesiae Mary Susan Taylor 1982-8-23 Taylor 5040 Plumas T25n r8e nw1/4se1/4 sec 20. Almanor ne quad. On s side of virgilia-meadow Valley rd (25n17), 0.3 and 1.0 mi. W of its jct with 25n20 (hambly ravine Turnoff), ca. 0.5 Mi. S of virgilia. Mixed evergreen forest (burned sometime Ago). With eriogonum nudum, epilobium paniculatum. 1128 Comment
  SEINET10485190  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4541 Plumas T26n r9e e1/2sw1/4 sec 23. Greenville sw quad. On open phyllite dry rd Embankment, w side of dixie canyon rd (204), 1.2 mi n of its jct with hwy 89 at Moccasin. With lupinus onustus, rosa pinetorum. 1219 Comment
  SEINET10485201  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4528 Plumas T23n r11e ne1/4se/14 sec 17. Blue nose mt quad. Corolla yellow. Steep Roadcut on phyllite, w side of peoria creek rd (23n10), 2.1 - 2.2 mi. W of its Jct with poplar creek near sloat. With acer macrophyllum, calocedrus Decurrens. 1341 Comment
  SEINET10485207  Lupinus dalesiae Taylor 1982-5-27 Taylor 4550 Plumas Bucks lake quad. Corolla yellow. East side of dean 'S valley rd (24n29), .4-.5 mi south of its jct with bucks lake rd, ca. 1 Mi ne Of meadow valley. With smilacina racemosa, collinisia parviflora. 1158 Comment
  RSA121628  Lupinus grayi E. Sawyer 1935-6-1 54 Plumas 1.75 mi NE of Hawks 1585 Comment
  RSA232880  Lupinus grayi L. S. Rose 1968-6-11 68100 Plumas Butterfly Creek, 2 miles south of Keddie. 1037 Comment
  RSA31783  Lupinus grayi A. A. Heller 1938-5-30 15134 Plumas Near Rich Bar along the Feather River Highway #24. 762 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
  SEINET10450572  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  SEINET10937107  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  CHSC55703  Lupinus latifolius var. columbianus K. R. Stern 1985-6-25 8273 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC110615  Lupinus lepidus var. confertus B. Castro; G. Kuenster 2006-8-4 1581 Plumas Northern High Sierra Nevada. SE side of lower Thompson Valley 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. E side of Thompson Creek, in flattish open area within 70 m of creek, ca 800 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  UCD150501  Lupinus lepidus var. confertus K. A. Wagnon 1967-7-11 s.n. Plumas Frenchman Creek, Plumas National Forest. Comment
  CHSC53201  Lupinus lepidus var. sellulus L. P. Janeway 1989-6-13 3301 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley. 1688 Comment
  CHSC97008  Lupinus lepidus var. sellulus B. Castro; Shannon Nielsen 2005-7-12 1492 Plumas Ca 13 air mi NE of town of Feather Falls and 1.5 air mi SE of the Middle Fork Feather River, on spine of Hartman Bar Ridge. Along USFS Rd 22N94, on W edge of road. Site is 0.5 rd mi S of jcn of the main (94) road with a side-road that goes to Hartman Bar Trailhead. 1463 Comment
  SEINET10488784  Lupinus meionanthus Taylor 1981-7-29 Taylor 4146 Plumas Genesee valley quad. T.25n, r.11e, sec.12 (se 1/4). Both sides of 25n42c, 1.4 Mi ne of its jct with 25n42--flournoy grade, ca 4 mi e of genesee. Associates: Sitanion hystrix, ceanothus cordulatus. 1707 Comment
  RSA104336  Lupinus onustus Marcus E. Jones 1887-6-26 s.n. Plumas Perkins Ranch, Susanville. 1463 Comment
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Feb 25 2016
  POM118281  Lupinus onustus H. C. Cantelow 1940-5-12 3672 Plumas 2 miles north of Quincy, Highway 89. Comment
  RSA113221  Lupinus onustus E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-14 20712 Plumas 3.1 miles N of Greenville on road to Lake Almanor Hwy 89. 1159 Comment
  JEPS65426  Lupinus polyphyllus W. L. Jepson 1910-6-16 4149 Plumas Quincy; American Valley, Quincy 1036 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
  UC865152  Lupinus polyphyllus var. burkei A. A. Heller 1938-7-2 15235 Plumas just n Quincy (along highway near the Indian Creek Bridge); near the Indian Creek Bridge 1097 Comment
  POM23523  Lupinus sellulus var. artulus Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SEINET10490877  Lupinus sellulus var. sellulus Duane Isely, I. Isely 1971-7-13 Isely 11396 Plumas Plants to 18 inches, densley clustered with spikes much overtopping leaves; Flowers pale lavender; standard inconspicously dark-mottled, recurved ca 40 Degrees; basal leaves evident. Spring garden. 1189 Comment
  SEINET10490886  Lupinus sellulus var. sellulus Charles Piper Smith 1921-7-14 Smith 3425 Plumas Quincy - near church. Comment
  SEINET7062846 Image available Lupinus succulentus A. G. Vestal 1947-3-28 s.n. Plumas About 5 miles north of Warner Valley. UTM Zone 10, 640741mE, 4476728mN. (WGS84/NAD83). 1597 Comment
  CHSC66651  Luzula cascadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. Meadow. 1371 Comment
  HSC102788  Luzula comosa var. comosa L. Ahart 2008-8-13 15183 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CHSC108474  Luzula comosa var. laxa Lowell Ahart 2011-9-17 17668 Plumas On the south side of an unnamed stream that flows east into Little grass Valley Reservoir and opposite the Black Roack, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC53721  Luzula comosa var. laxa L. P. Janeway 1989-7-11 3476 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. Along border of creek. 1691 Comment
  CAS-BOT-BC436681  Luzula comosa var. laxa George W. Gillett 1957-7-17 787 Plumas Lassen Volcanic National Park. Gully running into the inlet of Willow Lake 1767 Comment
  SEINET10473900  Machaeranthera canescens Mary Susan Taylor 1982-8-27 Taylor 5046 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  SD8621  Madia bolanderi Daniel Cleveland 1882-7-15 Plumas Big Meadows Comment
  CHSC55797  Madia citrigracilis Vernon H. Oswald 1991-9-11 4871 Plumas Lassen Volcanic Park. Hot Springs Creek just downstream from the Ranger Station at Drakesbad. Along the edge of the creek. 1658 Comment
  UC1069859  Madia elegans E. Sawyer 1935-7-9 276 Plumas 4 1/2 mi s Crow; Plumas National Forest, Sierraville Quadrangle 1828 Comment
  UCR47602  Madia elegans David D. Keck 1932-7-4 1620 Plumas Northern Sierra Nevada Mtns., Quincy, north of Spanish Creek 1067 Comment
  CAS-BOT-BC343787  Madia elegans David D. Keck 1938-8-9 4895 Plumas 1 mi. W. of Portola 1480 Comment
  UC1035985  Madia elegans Helen K. Sharsmith 1955-6-28 4519 Plumas near Indian Valley; N Fork of Feather River Comment
  CHSC75460  Madia exigua G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3095 Plumas Northeast of county hospital, 1.8 miles north of Lawrence Street on Highway 70/89, Quincy. 1066 Comment
  JEPS106303  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11012 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  CAS-BOT-BC344468  Madia exigua Alice Eastwood 1927-6-11 s.n. Plumas Crescent Mills Comment
  SD87701  Madia exigua Frank W. Peirson 1926-6-21 6787 Plumas Lake Almanor Comment
  CAS-BOT-BC342860  Madia glomerata M. S. Taylor 1981-8-28 4246 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio 1432 Comment
  CAS-BOT-BC342866  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC34880  Madia glomerata M. S. Taylor 1981-8-31 4253 Plumas S side of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  CHSC79686  Madia glomerata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13266 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Adjacent to Bull Run Creek of USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  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
  JEPS40374  Madia glomerata W. L. Jepson 1939-8-16 19424 Plumas Dixie Valley 1767 Comment
  CAS-BOT-BC342851  Madia glomerata David D. Keck 1938-8-9 4900 Plumas Beckwith (Beckwourth), 0.5 mi. W. of town 1525 Comment
  UC485320  Madia glomerata Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC343247  Madia gracilis M. S. Taylor 1981-9-14 4276 Plumas Headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ese of Greenville 1584 Comment
  RSA603951  Madia gracilis subsp. gracilis Joseph A. Ewan 1934-7-19 8241 Plumas Dentens (Blairsden) 1616 Comment
  POM253267  Madia minima A. A. Heller 1938-6-22 15178 Plumas Gravelly plain north of Chester 1305 Comment
  SEINET10474822  Madia minima Mary Susan Taylor 1974-5-18 Taylor 248 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  SEINET5339093  Mahonia sonnei R. J. Holl 1948-4-20 24 Plumas Sierra Valley, bank of Feather River, 1 mile west of Beckwith. 1524 Comment
  CAS-BOT-BC512089  Maianthemum racemosum subsp. amplexicaule Anna Head 1921-7-1 s.n. Plumas Indian Pk.; Feather River Region 2133 Comment
  SEINET11601831 Image available Matricaria discoidea T. Ramelli 1948-5-16 40 Plumas 0.5 miles west of Vinton 1524 Comment
  RSA59257  Medicago lupulina E. K. Balls 1950-8-31 15552 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  CAS-BOT-BC269223  Melica aristata John Thomas Howell 1960-7-17 35486 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA14038  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-8-1 13410 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC91955  Melica bulbosa G. Douglas Barbe; T. C. Fuller 1982-6-15 3725 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CAS-BOT-BC282079  Melica fugax John Thomas Howell 1951-6-27 27607 Plumas Jamison Creek 1950 Comment
  RSA299626  Melica geyeri J. T. Howell, Gordon H. True, Walter, Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area, near Fern Glen. 1067 Comment
  JEPS95635  Melica stricta Lowell Ahart 1994-7-22 7495 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  CAS-BOT-BC264177  Melica subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54163 Plumas 3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada 1633 Comment
  JEPS115119  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
  SEINET10498161  Mentha arvensis Mary Susan Taylor 1982-7-22 Taylor 4904 A Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  CHSC37690  Mentha canadensis M. S. Taylor 1981-8-27 4129 Plumas Under Drum bridge over Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1188 Comment
  CHSC72315  Mentha canadensis L. P. Janeway 1998-9-10 6276 Plumas Along the northwest shore of Snag Lake; about 5 mi northwest of Quincy. 1205 Comment
  SD174009  Mentha spicata Robert J. Weatherby 1950-7-21 1475 Plumas East Quincy; scattered perennial on sunny moist soil in marsh with Solidaga and Spiraea douglasii; native from Europe. 1036 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
  CDA18484  Mentzelia dispersa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3233 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  RSA106766  Mentzelia montana L. S. Rose 1955-6-19 55139 Plumas Beckworth 1494 Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 1676 Comment
  UC1063983  Mertensia ciliata E. Sawyer 1935-5-28 44 Plumas 3 1/2 mi N of Hawks 1584 Comment
  RSA77583  Mertensia ciliata var. stomatechoides F. W. Peirson 1926-6-21 6782 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  CAS-BOT-BC428538  Micranthes aprica D. E. Breedlove 1962-6-12 3433 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CHSC43318  Micranthes aprica Lowell Ahart 1975-7-9 865 Plumas On an open mountain side, about 1 mile south-west of Pilot Peak. 1981 Comment
  LA209005  Micranthes integrifolia Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC429240  Micranthes oregana John Thomas Howell 1960-7-23 35963 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CAS-BOT-BC348338  Micropus californicus Walter Knight; Irja Knight 1968-6-11 2345 Plumas In Butterfly Valley proper 944 Comment
  CAS-BOT-BC349347  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA18761  Microseris nutans G. D. Barbe, T. C Fuller 1982-7-16 3756 A 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
  POM290244  Microseris nutans Lyman Benson 1932-7-29 3987 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  POM253302  Microsteris gracilis subsp. gracilis A. A. Heller 1938-5-21 15101 Plumas Just north of Chester 1305 Comment
  JEPS81621  Mimulus breweri M. S. Taylor 1982-8-5 4936 Plumas just below Mt. Hough (ca. 7 mi nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  UC511309  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake Sierra Nevada, Feather River Watershed 2133 Comment
  JEPS1763  Mimulus guttatus Milo S. Baker 1952-5-26 12470 Plumas back of Cottages (at Beldon); Feather River Canyon, Yellow Creek Comment
  RSA88393  Mimulus guttatus J. T. Howell 1951-6-26 27534 Plumas Feather River Canyon 854 Comment
  JEPS87756  Mimulus mephiticus Lowell Ahart 1994-6-15 7332 Plumas about 1 air mi w of Little Grass Reservoir (on n side of intersection of Lumpkin Ridge Road and the road to Tamarack Flat) 1767 Comment
  CDA12054  Mimulus moschatus G. F. Hrusa, J. Dinsdale 1989-6-26 7206 Plumas Sierra Nevada; Margin of N side of Bucks Lake, approx. 25 m. W of Quincy. Comment
  RSA535573  Mimulus nanus var. mephiticus David M. Thompson 1988-6-29 941 Plumas Ca. 4 airmiles NE of Bucks Lake. 0.2 mi W of Big Creek Road along Bucks Lake Road (vis Bucks Summit). 1244 Comment
  UC125296  Mimulus pulsiferae Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10570267  Mimulus pulsiferae Mary Susan Taylor 1982-9-7 Taylor 5096 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
  JEPS106333  Mimulus pygmaeus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11050 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
  JEPS79148  Mimulus pygmaeus L. R. Heckard with R. Bacigalupi 1980-6-12 5251 Plumas w of Lake Almanor (along Route 89, w of Almanor Campground (U.S. Forest Service)); Route 89 Comment
  CAS-BOT-BC11027  Mimulus suksdorfii John Thomas Howell 1962-6-18 37802 Plumas Sierra Valley near Beckwourth 1487 Comment
  UC711935  Mimulus torreyi Roxana S. Ferris and Laura Lorraine 1941-8-9 10436 Plumas about 2 1/2 mi from Lake Almanor Public Camp (State Hwy 89 on road to Chester) Comment
  CAS-BOT-BC388598  Minuartia douglasii Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC432985  Mitella breweri Rimo Bacigalupi 1927-7-10 1685 Plumas About 1/4 mile below outlet of Long Lake along Gray Eagle Creek 1828 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
  CHSC61739  Monardella follettii L. P. Janeway; Linnea Hanson, Perrie Cobb. 1993-7-19 4461 Plumas Plumas National Forest. Southwest side of the top of Red Hill. 1874 Comment
  JEPS63417  Monardella follettii W. I. Follett 1937-6-25 97 Plumas 1.2 mi w Meadow Valley 1127 Comment
  SJSU15259  Monardella follettii S. Woolhouse 2009-7-26 8 Plumas Just east of forest service road 24N31. Meadow Valley Quad T24NR8ES24. Comment
  SEINET10582326  Monardella follettii A. Graff 1993-7-22 Graff 310 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  SEINET10582336  Monardella follettii A. Graff 1993-7-23 Graff 335 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  SEINET10862292  Monardella follettii A. Graff 1993-7-23 Graff 340 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  CHSC75509  Monardella odoratissima G. F. Hrusa; J. Dinsdale 1989-6-25 7193 Plumas Sierra Nevada. At Bucks Lake north shore. [Original lat./long. on label is '39 54 N; 121 10 W']. 487 Comment
  SEINET10498933  Monardella odoratissima Melvin L. Conrad 1973-6-5 Conrad 7046 Plumas Yellow pine and douglas fir in plumas natl forest off hwy 70 1067 Comment
  RSA0118875  Monardella odoratissima subsp. glauca Lowell Ahart 2014-8-26 19788 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
  RSA60024  Monardella odoratissima subsp. glauca E. K. Balls 1950-9-1 15584 Plumas east shore of Long Lake, toward Mt. Elwell 2104 Comment
  CAS-BOT-BC222151  Monardella odoratissima subsp. pallida E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake Comment
  CHSC109554  Monardella odoratissima subsp. pallida L. P. Janeway 2012-7-17 10946 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  RSA0039545  Monardella odoratissima subsp. pallida Lowell A. Ahart 2008-8-13 15175 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  UC1609314  Monardella odoratissima subsp. pallida Lowell Ahart 1993-9-24 7264 Plumas On the North side of the Pacific Crest Trail, about about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
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Jun 15 2007
  CAS-BOT-BC318568  Monardella odoratissima subsp. pallida Ella Dales Cantelow 1941-7-20 3709 Plumas 10 mi S of Quincy on road to La Porte. 1981 Comment
  SEINET5333425  Monardella odoratissima subsp. pallida A. A. Heller 1907-7-9 8774 Plumas Prattville Comment
  NY429343  Monardella odoratissima var. follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (northeast slope of Red Hill), East Branch of North Fork Feather River 1280.2 Comment
  RSA794956  Monardella sheltonii L. Ahart, Josephine Guardino, John Dittes 2009-7-29 16218 Plumas North side of Forest Service Road 26N22, 4650 feet northwest of Rattlesnake Hill, 3.0 air miles SSE of Lake Almanor Dam. 1591 Comment
  RSA795662  Monardella sheltonii L. Ahart 2012-7-1 18261 Plumas East side of the dirt road to the large pipe, about 0.25 miles east of Caribou Road, about 3.5 air miles northeast of Belden. 808 Comment
  CAS-BOT-BC220490  Monardella sheltonii A. A. Heller; P. B. Kennedy 1907-7-12 8824 Plumas Near Greenville Comment
  SEINET10582355  Monardella sheltonii A. Graff 1993-7-21 Graff 284 Plumas Plumas National Forest. On Hwy. 70, .35 miles northwest of 2nd "Cromberg" sign, on northeast side of the road. T23N,R11E,S13. With Pinus ponderosa, Calocedrus decurrens, Quercus kelloggii, grasses. Comment
  SJSU14192  Monardella sheltonii N. A. Hopkins 1989-8-7 1575 Plumas by road between Beckwourth & Genesee Valley 1676 Comment
  CHSC67989  Monardella stebbinsii James Bartel 1988-7-13 Plumas North Fork of Feather River, 6.3 km N of jct. with Hwy. 70 along Caribou Rd. (type locality). Comment
  UC1502547  Monardella stebbinsii John C. Stebbins 1981-8-2 Plumas 1.1 mi n Queen Lily Campground (along the w side of Caribou Road) 853 Comment
  SEINET10895141  Monardella stebbinsii A. Graff 1993-7-22 Graff 327 Plumas Plumas National Forest. 1.15 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R7E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  CAS-BOT-BC444741  Montia chamissoi Alice Eastwood 1918-5-25 7057 Plumas Portola Comment
  CHSC65174  Montia chamissoi Lowell Ahart 1995-8-7 7606 Plumas In a small meadow, near a mountain alder thicket, south of the Pacific Crest Trail, south of a poor dirt road, north-east of the weather station, about 1/2 mile (air) west of Pilot Peak. 1981 Comment
  CHSC58195  Montia fontana subsp. amporitana Vernon H. Oswald; Lowell Ahart 1992-6-22 5017 Plumas Lassen Volcanic National Park. Ca. 0.4 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Locally common on a vernally wet but now dry slope bordering the road. 1767 Comment
  CAS-BOT-BC445087  Montia linearis Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills Comment
  SBBG121277  Montia linearis L. Ahart, J. Dittes 2007-6-16 14087 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
  CAS-BOT-BC445100  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley 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-BC263365  Muhlenbergia asperifolia W. Harnach; N. Harnach 1990-7-5 462 Plumas First corner east of Co. Rd. A-23 on Marble lane, Sierra Valley 1487 Comment
  CHSC75957  Muhlenbergia filiformis G. F. Hrusa 1996-8-2 13432 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine Rock and Taylor Rocks, 1 mi. NW of Argentine Rock. Old roadbed; trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  CHSC81189  Muhlenbergia filiformis Lowell Ahart 2001-8-28 9190 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
  JEPS76229  Muhlenbergia filiformis W. L. Jepson 1939-8-12 19391 Plumas dry bed of streamlet Ferris Creek (branch of Last Chance Creek) 1767 Comment
  POM313206  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
  UC424187  Muhlenbergia filiformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  UC819028  Muhlenbergia filiformis A. A. Heller 1915-7-7 12068 Plumas near summit Soapstone ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  CAS-BOT-BC267007  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Drakesbad 1828 Comment
  SEINET256387 Image available Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir where the South Fork of the Feather River flows into the lak 1585 Comment
  UC501387  Myosotis discolor David D. Keck Jul 3 1932-Jul 5 1932 1670 Plumas along rd. to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  CDA40604  Myosotis laxa L. Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 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
  CAS-BOT-BC392270  Myosurus apetalus John Thomas Howell; H. Keith Wagnon 1980-5-27 53614 Plumas 1 mile west of Almanor 1386 Comment
  CHSC70036  Myosurus apetalus var. borealis L. P. Janeway 1997-5-14 5123 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  CHSC87814  Myosurus apetalus var. borealis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11064 Plumas 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
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Apr 8 2009
  UCR248226  Myriophyllum hippuroides B. Villegas 2008-7-24 s.n. Plumas Northern Sierra Nevada Mtns., Indian Creek, south of Crescent Mills, near County road A22 1064 Comment
  CDA37256  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Plumas Eagle Lake; Mariners Resort. 0 Comment
  SD46448  Myriopteris gracillima Robert J. Weatherby 1950-8-11 1514 Plumas Mt. Elwell, just below abandoned lookout station 2375 Comment
  SJSU4628  Narthecium californicum C. W. Sharsmith 1969-6-19 7596 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  UC1134644  Narthecium californicum A. E. Wieslander July 1929 126 Plumas Butterfly Exp. Area, Plumas Forest Plumas Forest, Susanville Quad., Butterfly Exp. Area Comment
  CDA19242  Navarretia breweri G. D. Barbe, T. C. Fuller 1982-6-17 3821 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC91908  Navarretia capillaris Lowell Ahart; Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, 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
  RSA201328  Navarretia capillaris J. T. Howell 1960-7-21 35829 Plumas Plumas County: Meadowy forest floor NW of Willow Lake. 1707 Comment
  RSA71913  Navarretia capillaris F. W. Peirson 1932-7-19 10353 Plumas Along Feather River near Chester. 1463 Comment
  UC908379  Navarretia divaricata J. T. Howell 1926-6-26 2124 Plumas 1 mi s Prattville; Lake Almanor Comment
  CDA18755  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C Fuller 1982-7-16 3761 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
  UC726841  Navarretia intertexta A. A. Heller 1938-7-2 15233 Plumas just n Quincy (near the bridge over Spanish Creek) 1097 Comment
  CHSC54410  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1991-7-8 4701 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. Creek bank. 1676 Comment
  CDA18456  Navarretia intertexta subsp. propinqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3179 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC10802  Navarretia leptalea Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CHSC21192  Navarretia leptalea F. T. Griggs; A. Pass 1975-7-10 150 Plumas Buck's Lake. Comment
  CAS-BOT-BC230394  Navarretia leucocephala subsp. minima John Thomas Howell 1961-9-24 36921 Plumas Feather River bed SW of Beckwourth 1487 Comment
  CHSC97513  Nemacladus capillaris Lowell Ahart; John Dittes 2007-6-16 14132 Plumas On the bottom of a small drainage on the south side of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  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
  CAS-BOT-BC230554  Nemophila parviflora var. austiniae J. T. Howell; et al. 1967-6-12 2076 Plumas Butterfly Botanical Area and Vicinity. Near spring 1127 Comment
  UC726908  Nemophila pedunculata A. A. Heller 1941-5-22 16147 Plumas 3 mi w Portola; w of Portola Comment
  JEPS100317  Oenothera deltoides subsp. piperi Dean W. Taylor 2001-7-21 17846 Plumas Diamond Mountains, southerly end of the range ca. 4 air mile N of Chilcoot, along Forest Road 23N67, Plumas National Forest 1737 Comment
  SEINET5345643  Oenothera elata var. hirsutissima A. A. Heller, P. B. Kennedy 1907-7-16 8861 Plumas Genessee Valley enar Genessee Comment
  SEINET1909910  Onagraceae Barbara Ertter 1988-1 7848 Plumas Diamond Mts, ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct, meadow in mixed conifer forest 1981 Comment
  CAS-BOT-BC355567  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-30 4300 Plumas Plumas National Forest, Beckwourth Ranger District. McRae Meadow; upper end of East Nelson Creek 1889 Comment
  CHSC110622  Oreostemma alpigenum var. andersonii B. Castro; L. Janeway 2006-9-9 1616 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lade and North Arm Rice Creek). 1969 Comment
  SD9061  Oreostemma alpigenum var. andersonii R. M. Austin 1879-1 Plumas Mt. Dyar, Big Meadows Comment
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Aug 6 2009
  UC726950  Oreostemma alpigenum var. andersonii A. A. Heller 1942-8-3 16515 Plumas about midway between Summit Lake and the Devasted Area Summit Lake; Lassen Park Comment
  CHSC110760  Oreostemma elatum Dean Wm. Taylor 2011-8-1 21135 B Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  CHSC80846  Orobanche californica subsp. jepsonii Lowell Ahart 2001-7-17 8926 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS127609  Orobanche corymbosa B. Castro with Brian Humphrey 2015-7-10 2096 Plumas W side of lower Thompson Valley ca 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 200 feet below edge of Ponderosa-Jeffrey pine forest. Comment
  JEPS13302  Orobanche corymbosa subsp. corymbosa Leo Whitney 1934-8-15 1698 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola, Plumas National Forest. Comment
  CAS-BOT-BC500133  Orobanche fasciculata Alice Eastwood 1927-6-15 14588 Plumas US Forest Reserve, near Long Valley Comment
  CHSC34861  Orogenia fusiformis M. S. Taylor 1981-5-8 3657 Plumas At jct of rds 26N18, 26N92, 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  UC1731428  Orogenia fusiformis Dean W. Taylor 1997-4-9 15949 Plumas n Greenville (along Hwy 89); Plumas National Forest, Wolf Creek 1097 Comment
  CHSC84992  Orthilia secunda Lowell Ahart 2003-10-15 10639 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1509 Comment
  CHSC112566  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2007-6-24 1648 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley abt 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W isde of Thompson Creek, 250-300 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  CHSC33605  Orthocarpus cuspidatus subsp. cryptanthus M. S. Taylor; M. Foster 1981-6-10 3881 Plumas In Red Clover Valley, Overland Inc. Ranches, ca. 300 yds se of Corral, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckwourth. 1676 Comment
  RSA8035  Orthocarpus hispidus H. A. Barker 1927-7-16 823 Plumas Along Feather River near Mohawk. 1372 Comment
  PASA155  Orthocarpus lacerus Margaret Stason 1932-6-22 Plumas Lake Almanor camp ground Comment
  JEPS62841  Orthocarpus luteus John Weiler 1970-7-2 70154 Plumas on the road to Loyalton 1/2 mi e Marble Hot Springs; e of Marble Hot Springs 1524 Comment
  CHSC33742  Osmorhiza chilensis M. S. Taylor 1981-7-22 4016 Plumas S side of 24N19, ca. 0.5 mi se of Pine Creek Valley, ca. 1 mi ne of Argentine Rock, ca. 5 air mi n of Spring Garden. 2225 Comment
  CHSC40870  Osmorhiza chilensis K. R. Stern 1985-6-25 8270 Plumas Vicinity of Blairsden. 1432 Comment
  CHSC99821  Osmorhiza chilensis Lowell Ahart 2008-7-16 15072 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
  CDA13402  Osmorhiza occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13251 Plumas Sierra Nevada; below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC33941  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Beckwourth=Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of Notson Bridge, ca. 17 air mi ne of Blairsden. 1737 Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CAS-BOT-BC317114  Packera pauciflora Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk., on the hill south of Onion valley Res. 2000 Comment
  CAS-BOT-BC317172  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1968-6-11 2392 Plumas In wet area on east side of Butterfly Valley Comment
  SBBG21938  Panicum acuminatum D. Myrick 1964-7-19 870 Plumas Boiling Lake, Drakesbad 1828 Comment
  CHSC95019  Panicum acuminatum var. acuminatum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  HSC10486  Panicum acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie. 1067 Comment
  UCD32831  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  CAS-BOT-BC253735  Panicum capillare John Thomas Howell; Gordon H. True 1967-7-9 43270 Plumas At Quincy 1036 Comment
  CAS-BOT-BC253739  Panicum capillare John Thomas Howell 1951-8-20 28214 Plumas Genesee 1127 Comment
  RSA716418  Panicum capillare L. Ahart, John Dittes 2005-9-19 12393 Plumas below the high water line of Taylor Lake, on the northeast side of Taylor lake, about 6 miles (air) southwest of Antelope Lake. 2077 Comment
  UCD89595  Panicum dichotomiflorum John Thomas Howell 1959-9-26 35065 Plumas Near Virgilia. 838 Comment
  CHSC37193  Pedicularis attollens L. Ahart 1982-7-30 3738 Plumas Along edges of stream in a small meadow near rd, ca. 2 mi n of hardquartz Mine, ca. 5 mi s of Bucks lake. 1700 Comment
  SD46706  Pedicularis groenlandica Robert J. Weatherby 1955-6-26 1559 Plumas Near Lakes Ranger Station, Lakes Basin 1981 Comment
  CHSC21822  Pedicularis racemosa F. T. Griggs; A. Pass 1975-7-31 279 Plumas Bucks Lake Forest Service Survey. Comment
  UCD123292  Pedicularis racemosa James I. Mallory 1969-8-21 350 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  JEPS22196  Pedicularis racemosa Rimo Bacigalupi with Howard Whisler 1957-7-25 6032 Plumas 1 mi w of Deadwood Summit (along Bucks Lake Road, about 1 33/4 mi e of se end of Bucks Lake) 1645 Comment
  UC366572  Pellaea unknown Jul. 1883 Plumas Indian Valley Comment
  CHSC32045  Pellaea brachyptera L. Ahart 1975-8-29 968 Plumas On ridge between Oxford and Coquette Creeks, ca. 10 mi s of Bucks Lake. 1828 Comment
  CHSC46031  Pellaea brachyptera Lowell Ahart 1981-6-25 2882 Plumas About 1 mile north of Nelson Creek, about 16 miles north-east of La Porte. 1554 Comment
  UC1861769  Pellaea brachyptera Ruth Kirkpatrick 2005-7-19 1359 Plumas West of Johnsville Museum. Along dirt/rocky road 1630 Comment
  UC401276  Pellaea brachyptera unknown 1890-1 Plumas 2438 Comment
  CAS-BOT-BC69355  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas Blue Nose Mt. quad., at end of 23N49Y, ca. 2 air mi W of White Cap, ca. 5 air mi SW of Sloat 1645 Comment
  SD9635  Pellaea brachyptera Mrs. R. M. Austin 1877-1 Plumas Sierra Valley Comment
  UC1177847  Pellaea brachyptera P. C. Hutchison Plumas 6 mi n Belden (on rd to Longville) 1828 Comment
  CAS-BOT-BC67615  Pellaea bridgesii J. G. Lemmon 1889-6-1 s.n. Plumas Gold Lake Valley Comment
  UC1874921  Pellaea bridgesii Ruth Kirkpatrick 2002-7-18 1138 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  UCSB48315  Penstemon deustus Hardham, Clare 1961-6-15 Plumas Indian Creek junction with Feather River; north of Quincy Comment
  UCSB6173  Penstemon deustus Crosswhite, F.; Russell, N. 1960-6-8 Plumas Plumas National Forest; 1 mi. S Indian Falls 1158 Comment
  CDA14661  Penstemon deustus var. suffrutescens G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  NY609834  Penstemon deustus var. suffrutescens F. M. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada Comment
  CDA14722  Penstemon gracilentus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3244 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC108111  Penstemon gracilentus Lowell Ahart 2011-9-20 17688 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
  CHSC52537  Penstemon gracilentus L. P. Janeway 1990-6-28 3741 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2011 Comment
  JEPS113434  Penstemon gracilentus Lowell Ahart, John Dittes 2007-8-9 14448 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2493 Comment
  UC1302290  Penstemon gracilentus Richard M. Straw 1962-6-28 2197 Plumas on Beckwourth road 5-6 mi s Milford; s of Milford 1900 Comment
  CAS-BOT-BC264358  Penstemon heterodoxus var. heterodoxus Mrs. C. E. Sutcliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC102192  Penstemon laetus Barbara Ertter; Gary Schoolcraft 1989-7-3 8652 Plumas W-facing steep rocky slope below Red Rock lookout, ca 8 airmiles S of Susanville. 2255 Comment
  NY130451  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  RSA519226  Penstemon neotericus Karl Vincent, Charlotte A. Labbe 1987-8-10 4505 Plumas Sierra Nevada, Tobin Ridge, N Fork Feather River Canyon. Along W side of CA 70,ca 7.4 miles SW of Beldon Town. 640 Comment
  CHSC21350  Penstemon newberryi F. T. Griggs; A. Pass 1975-8-6 311 Plumas Buck's Lake Forest Service Survey. Comment
  RSA71285  Penstemon newberryi subsp. newberryi L. S. Rose 1951-6-28 51053 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  RSA101484  Penstemon newberryi subsp. newberryi R. Weatherby 1955-6-26 1552 Plumas Above Mud Lake, Lakes Basin Area 2195 Comment
  CAS-BOT-BC239307  Penstemon newberryi var. berryi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54277 Plumas Mt. Hough 2203 Comment
  SEINET10547621  Penstemon oreocharis Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3888 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  HSC73116  Penstemon personatus M. S. Taylor, M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 0.25 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls 1585 Comment
  RSA663916  Penstemon personatus David M. Thompson 1988-7-23 973 Plumas 3.1 miles N of Bucks Lake Road (and Meadow Valley) on Schneider Creek road; at jct. of Schneider Creek Road (USFS road 23N16) and USFS road 24N47X (to Big Creek). 1585 Comment
  UCD158859  Penstemon personatus G. Ledyard Stebbins; W. D. Dakan 1970-7-5 s.n. Plumas 1 mile southeast of Mount Ararat, along Little Bear Creek. 1524 Comment
  CHSC104749  Penstemon roezlii L. P. Janeway 2010-8-19 10168 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CHSC21547  Penstemon roezlii L. M. Mayer 1975-7-9 Plumas Bucks Lake Floristic Survey. Comment
  UC690331  Penstemon roezlii David D. Keck 1928-6-16 446 Plumas Meadow Valley , Meadow Valley (Sierra Nevada) 1219 Comment
  CAS-BOT-BC239588  Penstemon rydbergii var. oreocharis Lowell Ahart 1980-7-27 2492 Plumas About 3 miles south of Bucks Lake 2000 Comment
  CAS-BOT-BC239595  Penstemon rydbergii var. oreocharis Anna Head 1921-8-2 s.n. Plumas Gold Lake, Feather River Region 1981 Comment
  CAS-BOT-BC239599  Penstemon rydbergii var. oreocharis A. A. Heller; P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  CAS-BOT-BC239604  Penstemon rydbergii var. oreocharis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC112574  Penstemon rydbergii var. oreocharis B. Castro; L. P. Janeway 2007-6-7 1628 Plumas Northern High Sierra. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  JEPS15107  Penstemon rydbergii var. oreocharis F. W. Embree 1934-6-12 107 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  NY651260  Penstemon rydbergii var. oreocharis J. T. Howell 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633.7 Comment
  NY651304  Penstemon rydbergii var. oreocharis J. M. Coulter 176 Plumas Comment
  RSA641452  Penstemon rydbergii var. oreocharis Michael A. Vincent 1999-6-7 8523 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt 11. Comment
  SEINET3840898  Penstemon rydbergii var. oreocharis G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3838 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  SJSU14716  Penstemon rydbergii var. oreocharis N. A. Hopkins 1991-6-28 1694 Plumas between Medford Fork & Doyles Crossing along rd from Red Clover Valley to Janesville 1524 Comment
  CHSC107272  Perideridia bolanderi subsp. bolanderi L. P. Janeway 2011-7-6 10500 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. 1721 Comment
  SBBG5162  Perideridia gairdneri H. and M. Dearing 1938-7-1 2263 Plumas Greenville Comment
  JEPS118620  Perideridia lemmonii B. Castro, L. P. Janeway 2001-7-22 1350 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69), in slight depressions. Haskins Valley 7.5' quad. Comment
  SEINET10454552  Perideridia lemmonii Mary Susan Taylor 1982-7-8 Taylor 4796 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
  SEINET12121326  Perideridia parishii W. Knight, Knight, I. 1983-1 4894 Plumas Warner Creek Campground between Chester & Drakesbad 1539 Comment
  CAS-BOT-BC413555  Persicaria amphibia V. Oswald; L. Ahart 1988-8-4 3668 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC413559  Persicaria amphibia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1533 Plumas Butterfly Botanical Area and Vicinity. Area adjacent to Pond Reservoir 1097 Comment
  UCD99385  Persicaria amphibia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas Southeastern side of Portola. Comment
  CAS-BOT-BC413733  Persicaria hydropiper Lowell Ahart 1981-9-6 3069 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC20847  Persicaria lapathifolia K. R. Stern 1975-7-23 5802 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC419241  Persicaria maculosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1440 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  POM289438  Phacelia hastata subsp. hastata Lyman Benson 1932-7-29 3990 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA133987  Phacelia hastata subsp. hastata L. R. Heckard, R. C. Bacigalupi 1951-8-8 186 Plumas Sierra Valley, near Chilcoot. 1524 Comment
  CHSC87614  Phacelia heterophylla subsp. virgata Lowell Ahart; Josephine Guardino 2004-5-24 10951 Plumas Near an old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1208 Comment
  RSA8049  Phacelia heterophylla subsp. virgata H. A. Barker 1927-7-1 757 Plumas Blairsden 1372 Comment
  UC1143722  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-7-2 170 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  SD133942  Phacelia 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 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
  CHSC36309  Phacelia linearis M. S. Taylor 1982-5-19 4482 Plumas On ridge, ca. 1.5 mi e of Portola. 1706 Comment
  UC660079  Phacelia mutabilis Alan A. Beetle 1941-6-28 2778 Plumas w side Lake Almanor (open meadow) Comment
  CHSC117176  Phacelia racemosa Lowell Ahart 2016-6-29 21056 Plumas 5 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  SEINET208633  Philadelphus californicus Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 914 Comment
  SEINET892448 Image available Philadelphus californicus Lewis S. Rose 1967-1 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  CHSC9710  Philadelphus lewisii Nancy Mosman 1971-7-11 77 Plumas Along w side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  OBI13974  Philadelphus lewisii Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  RSA0046808  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas Near Grizzly Dome tunnel on Highway 25. 610 Comment
  JEPS113676  Phleum alpinum Lowell Ahart, Josephine Guardino 2007-7-20 14342 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CHSC63263  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  UC1124206  Phlox gracilis E. Sawyer 1935-6-27 185 Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Sierraville Quad. 1767 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
  SEINET10496906  Phlox speciosa subsp. occidentalis Mary Susan Taylor 1982-5-25 Taylor 4525 Plumas T23N R11E sw/sw sec 2. Mt Ingalls quad. Along 23n12, in Jeffrey Pine Forest, 0.6 mi w of its jct with 23N52, ca. 3/4 mi w of McDermott Ravine 7 1.5 mi ne of Sloat. 4500 ft. 1371 Comment
  CHSC75478  Phoenicaulis cheiranthoides G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3254 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC89302  Phoenicaulis cheiranthoides G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16331 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA794999  Phoradendron libocedri L. Ahart, John Dittes 2009-7-15 16087 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  CAS-BOT-BC58834  Phyllodoce breweri C. C., Mrs. Bruce 1898-1-1 1229 Plumas Near Cinder Cone Comment
  CHSC21721  Phyllodoce breweri F. T. Griggs; A. Pass 1975-7-23 249 Plumas Cape Lake. Comment
  CAS-BOT-BC142217  Physocarpus capitatus Walter Knight; John Thomas Howell; Irja Knight 1966-7-27 1552 Plumas Along the bed of Butterfly Creek near mouth - Butterfly Botanical Area and vicinity 914 Comment
  UC466695  Physocarpus capitatus H. M. Hall 1912-6-26 9394 Plumas Butterfly Valley Comment
  RSA0091206  Physocarpus capitatus Bonnie C. Templeton 1968-1 11274 Plumas [No location information on label.] Comment
  SJSU735  Pinus contorta subsp. murrayana A. Retan 8/1941 Plumas Bucks Lake 1572 Comment
  UC1348768  Pinus contorta subsp. murrayana R. A. Cockrell 1937-8-5 8327 Plumas Meadow Valley 2042 Comment
  SEINET10866942  Pinus lambertiana Mary Susan Taylor 1981-8-25 Taylor 4241 A 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
  HSC1528  Pinus monticola W. R. Rogers 1966-7-3 277 Plumas Bulk Collection # 40 2134 Comment
  SEINET1930895  Pinus ponderosa G. A. Pearson 1915-7-9 Plumas Near Quincy, Plumas National Forest 1066 Comment
  UCD133284  Pinus ponderosa Beecher Crampton 1960-6-21 5742 Plumas Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. 1463 Comment
  CHSC23681  Plagiobothrys cognatus K. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  UC1075675  Plagiobothrys cognatus Robert J. Weatherby 1955-7-2 1585 Plumas Wilcox Valley 1767 Comment
  CHSC103134  Plagiobothrys cusickii Lowell Ahart; John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC230961  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37746 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC230974  Plagiobothrys hispidulus Lowell Ahart 1977-7-9 s.n. Plumas 6 miles N of La Porte 1800 Comment
  CAS-BOT-BC230980  Plagiobothrys hispidulus Walter Knight; et al. 1967-6-12 2003 Plumas The Butterfly Botanical Area and Vicinity. Area near pond reservoir 1127 Comment
  CAS-BOT-BC230986  Plagiobothrys hispidulus Clarence R. Quick 1962-6-20 62 37 A Plumas Cottonwood Creek crossing, SW of Humbug Valley, SW of Lake Almanor Comment
  SEINET6225047  Plagiobothrys tenellus L. S. Rose 1967-1 67058 Plumas Injun Jim Camp Comment
  CAS-BOT-BC228454  Plagiobothrys torreyi Mrs. H. C. Cantelow 1940-5-10 3191 Plumas W of Bucks Lake Comment
  JEPS7121  Plantago lanceolata W. L. Jepson 1939-8-8 19364 Plumas Meadow Valley 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
  UCD139004  Platanthera dilatata var. leucostachys B. Castro; L. P. Janeway 1987-7-17 140 Plumas ca. 6 miles west of Clio via Hwy 70/89, off USFS Rd. 22N98 at a spring site. 1584 Comment
  UC1134753  Platanthera sparsiflora A. E. Wieslander Jul 1929 125 Plumas Butterfly Experiment Area Plumas Forest, Susanville Quad. 1219 Comment
  CHSC21316  Pleuricospora fimbriolata F. T. Griggs; A. Pass 1975-7-29 261 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21692  Poa F. T. Griggs; A. Pass 1975-8-7 313 Plumas Buck's Lake. Comment
  CAS-BOT-BC254611  Poa X limosa John Thomas Howell 1962-6-18 37757 Plumas Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola 1487 Comment
  JEPS107634  Poa bolanderi Lowell Ahart, Josephine Guardino 2005-8-9 12278 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA71073  Poa bolanderi L. S. Rose 1951-6-28 51056 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  RSA726384  Poa bolanderi L. Ahart, Josephine Guardino 2007-7-21 14369 Plumas About 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1794 Comment
  SEINET10657846  Poa bulbosa Mary Susan Taylor 1981-5-11 Taylor 3684 Plumas T25N R12E SW/NW sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 1158 Comment
  CAS-BOT-BC255089  Poa compressa L. W. Swift 1934-7-26 120 Plumas Butterfly Protection Plot #2, Plumas forest 1097 Comment
  CAS-BOT-BC255093  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  CAS-BOT-BC255098  Poa compressa John Thomas Howell 1961-6-21 36673 Plumas Greenville 1097 Comment
  JEPS115125  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16230 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC255124  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3.25 miles ENE of Beckwith Butte 1493 Comment
  CHSC96933  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14052 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC97202  Poa cusickii subsp. cusickii Lowell Ahart; Josephine Guardino 2007-7-20 14317 Plumas South 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
  SEINET10893570  Poa nevadensis John Thomas Howell 1962-6-18 Howell 37757 Plumas Sierra Valley near Beckwourth. Culm-ligule ca. 4 mm. 1487 Comment
  CAS-BOT-BC247281  Poa palustris L. P. Janeway 1991-8-4 4120 Plumas Plumas National Forest, Beckwourth Ranger District. 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
  UCD169443  Poa palustris Lowell Ahart; John Dittes 2005-9-19 12371 Plumas About 6 miles (air) southwest of Antelope Lake. On the east side of Taylor Lake. 2076 Comment
  CDA13566  Poa pratensis G. F. Hrusa, T. D. Wilfred 1996-7-22 13394 Plumas Sierra Nevada; PLUMAS NATIONAL FOREST: Rhizomatous perennial in deep shade in moist bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  RSA699792  Poa pratensis L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11165 Plumas On north side of a forest road, About 0.25 mi north of Taylor rock, About 1 mi (air) SW of Grizzly Peak, About 5 mi (air) south of Taylorsville, About 8 mi (air) NE of Quincy 2140 Comment
  JEPS121737  Poa pratensis subsp. angustifolia L. P. Janeway 2014-7-15 11522 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). Comment
  JEPS110423  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas 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
  JEPS113667  Poa pratensis subsp. pratensis Lowell Ahart, Josephine Guardino 2007-7-20 14310 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
  UC1132726  Poa pratensis subsp. pratensis C. G. Albertus 1935-7-20 214 Plumas 1 1/2 mi sw Lava Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  SBBG683  Poa secunda A. A. Beetle 1941-6-28 2797 Plumas St Hwy 36, 10 mi W of Chester 1524 Comment
  SBBG684  Poa secunda A. A. Beetle 1941-6-28 2769 Plumas W side of Lake Almanor 1219 Comment
  UCD90393  Poa secunda Beecher Crampton 1954-5-11 1887 Plumas Sierra Valley, 7 miles S of Vinton. Comment
  CAS-BOT-BC242964  Poa secunda subsp. secunda David D. Keck 1944-7-8 5441 Plumas S end of Lake Almanor, E side of dam 1341 Comment
  CAS-BOT-BC242971  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242990  Poa secunda subsp. secunda Walter & Irja Knight; John Thomas Howell 1966-7-28 1578 Plumas Butterfly Botanical Area and Vicinity. Near mouth of Butterfly Creek 883 Comment
  CHSC101870  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC57466  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River. 1487 Comment
  CHSC60514  Poa secunda subsp. secunda L. P. Janeway 1992-5-22 4195 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. 1487 Comment
  SEINET7862572  Poa secunda subsp. secunda W. Harnach, N. Harnach 2000-5-20 888 Plumas Sierra Valley, Approx 2.5 road miles N of Sierra/Plumas Co. line on A23, midway between County Rd A-23 and the Sharkey Cemetery. 1512 Comment
  UC641682  Poa secunda subsp. secunda G. L. Stebbins Jr. 1939-7-6 2898 Plumas 1.7 mi e Meadow Valley (on rd to Quincy) 1097 Comment
  CDA32652  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas West side of Hwy 89 to Truckee, 1 mile south of Graeagle. 0 Comment
  UCD91589  Poa wheeleri August L. Hormay 1932-6-11 s.n. Plumas middle fork of the Feather River, 10 miles northeast of Quincy. Comment
  CAS-BOT-BC263247  Polemonium californicum R. Stubbs 2010-8-9 018 Plumas Bucks Lake Wilderness in Plumas National Forest. Along trail supposedly heading to Three Lakes 1931 Comment
  CHSC97281  Polemonium occidentale Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14469 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC109727  Polemonium occidentale subsp. occidentale B. Castro 2005-10-20 1530 Plumas High Sierra Nevada. Lake Davis/Grizzly Dam, ca 5 air mi N of Portola. On NNE-facing slope overlooking Big Grizzly Creek, ca 1000 ft downstream (SE) of dam and E of the main Lake Davis Rd (USFS Rd 24N07). 1734 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
  CHSC20756  Polygonum aviculare K. R. Stern 1975-7-24 5874 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC53692  Polygonum aviculare L. P. Janeway 1989-7-19 3498 Plumas Edge of forest along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. In center of dirt road. Beckwourth Ranger District Plumas National Forest. 1676 Comment
  CHSC84450  Polygonum aviculare Lowell Ahart; John Dittes 2003-8-8 10486 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  CHSC37676  Polygonum aviculare subsp. aviculare M. S. Taylor; J. Hickman 1982-9-8 5112 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 4 air mi s of Greenville. 1371 Comment
  CHSC110251  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. 1554 Comment
  RSA252388  Polygonum coccineum Robert F. Thorne 1969-9-6 39241 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  POM104471  Polygonum davisiae Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  RSA52889  Polygonum davisiae R. Weatherby 1950-8-11 1511 Plumas in lodgepole pine belt, near Hellgranite Pond, Lakes Basin Area. 2012 Comment
  CAS-BOT-BC414563  Polygonum douglasii John Thomas Howell; Gordon H. True 1973-7-31 50090 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  RSA0114872  Polygonum douglasii L. P. Janeway 2015-7-29 11811 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CAS-BOT-BC414546  Polygonum douglasii Robert J. Weatherby 1955-7-2 1570 Plumas Bear Ridge near Taylor Lake 2194 Comment
  CAS-BOT-BC419743  Polygonum douglasii H. K. Wagnon 1988-10-4 1820 Plumas On edge of Upper Bucks Lake Comment
  SD131786  Polygonum douglasii Barbara Ertter 1988-7-25 7847 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs I(c) mi N of Diamond Mt-Greenville-Red Rock jct 1981 Comment
  CHSC60132  Polygonum douglasii subsp. douglasii L. P. Janeway 1992-7-10 4256 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. 2072 Comment
  JEPS50556  Polygonum douglasii subsp. douglasii W. L. Jepson 1939-8-4 19330 Plumas Rock Creek Meadow Valley 1219 Comment
  UC466033  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1896 467 Plumas Big Meadows Comment
  CHSC46682  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald 1988-8-5 3629 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CHSC108468  Polygonum minimum Lowell Ahart 2011-9-17 17670 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 miles west of Little Grass Valley Reservoir. 1645 Comment
  CHSC32014  Polygonum minimum L. Ahart 1974-8-3 578 Plumas In small meadow above Hopkins Creek near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  RSA699246  Polygonum parryi L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 Plumas N side of the logging road, 3 3/4 miles air S of Lower Taylor Rock, 7.5 miles air NE of Quincy. 1358 Comment
  JEPS48944  Polygonum phytolaccifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  RSA59176  Polygonum phytolaccifolium E. K. Balls 1950-9-1 15602 Plumas Long Lake, above east shore toward Mt. Elwell. 2104 Comment
  CAS-BOT-BC419887  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1955-7-20 30869 Plumas Mohawk 1371 Comment
  CHSC62487  Polygonum polygaloides subsp. confertiflorum L. P. Janeway 1993-8-10 4518 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  UC570301  Polygonum polygaloides subsp. confertiflorum E. Sawyer 1935-6-27 161 Plumas Charlies Valley Plumas National Forest, Sierraville Quadrangle 1524 Comment
  JEPS81571  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas off Eureka Ridge Rd (23N09) ca 1/4 mi above, ca 3 air mi sw of Sloat spring; Blue Nose Mt. quad., White Cap 1859 Comment
  CAS-BOT-BC420043  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1976-6-7 4603 Plumas Central area of summit ridge, secondary road betw. Rte. 70 and La Porte 1950 Comment
  CAS-BOT-BC420048  Polygonum polygaloides subsp. kelloggii D. E. Breedlove 1962-6-12 3432 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC420051  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1980-8-12 2576 Plumas About 2 miles south of La Porte. 1600 Comment
  CAS-BOT-BC420060  Polygonum polygaloides subsp. kelloggii John Thomas Howell; H. Keith Wagnon 1980-5-27 53615 Plumas 1 mile west of Almanor 1386 Comment
  CDA19232  Polygonum sawatchense G. D. Barbe, T. C. Fuller 1982-6-17 3833 Plumas Plumas National Forest; Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CAS-BOT-BC420221  Polygonum sawatchense subsp. sawatchense C. R. Quick 1957-6-15 57 -08 Plumas About 1/2 mile south of Lake Almanor Comment
  JEPS113437  Polygonum shastense Lowell Ahart, John Dittes 2007-8-9 14444 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-BC421041  Polygonum spergulariiforme L. P. Janeway 1993-9-23 4602 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feaether River. 1498 Comment
  JEPS103024  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  JEPS103690  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC76838  Polypodium glycyrrhiza John Thomas Howell; Gordon H. True 1967-5-9 42212 A Plumas Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CDA2343  Polypogon monspeliensis L. Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  JEPS94289  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on the w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork of the Feather River, Caribou Road 792 Comment
  CHSC52720  Polystichum imbricans subsp. curtum L. P. Janeway 1990-8-3 3826 Plumas Along N Fk Feather River ca 100 ft S of Waller Cr and just NE of Gansner Bar. Plumas National Forest Quincy Ranger District. 701 Comment
  CHSC84944  Polystichum imbricans subsp. imbricans Lowell Ahart 2003-10-17 10645 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  JEPS124291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas About 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC72360  Polystichum imbricans subsp. imbricans John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54135 Plumas Round Valley Reservoir dam 1371 Comment
  CAS-BOT-BC72504  Polystichum scopulinum H. F. Copeland 1920-8-24 223 Plumas near Big Summit divide of Butte, Tehama, and Plumas Co.'s 1828 Comment
  UC1134791  Populus tremuloides C. W. Hanks 1934-8-10 41 Plumas Canyon bottom ne Sierra Valley; Plumas National Forest, Sierraville Quad. Comment
  CHSC33930  Populus trichocarpa M. S. Taylor 1981-8-5 4161 Plumas At jct of Pierce and Indian Creeks, ca. 1 mi n of Fruit Growers Blvd (28N03), ca. 2 air mi w of Antelope Lake. 1676 Comment
  JEPS102425  Populus trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  UC579490  Porterella carnosula E. Sawyer 1935-6-27 163 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10460755  Porterella carnosula Howell 1963-6-4 Howell 39405 Plumas Marble Hot Springs, Sierra Valley Comment
  SEINET10460768  Porterella carnosula Austin AUSTIN s.n. Plumas Comment
  CAS-BOT-BC233726  Portulaca John Thomas Howell 1961-9-24 36916 Plumas Feather River bed SW of Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC452099  Potamogeton amplifolius Mollie Schneider 1975-6-24 s.n. Plumas Sierra Valley Marsh. Station 1. North side of road near cow pasture at corner. Comment
  RSA239266  Potamogeton natans Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42322 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA716697  Potamogeton natans Lowell Ahart, John Dittes 2005-9-20 12431 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2030 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
  RSA716594  Potamogeton richardsonii Lowell Ahart, John Dittes 2005-9-19 12376 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  SJSU11966  Potentilla biennis N. A. Hopkins 1973-6-19 550 Plumas 5 mi SE of Beckwourth, Sierra Valley 1402 Comment
  SD129309  Potentilla glandulosa B. Pitzer, S. Morgan, H. Soldan 1988-5-29 955 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy 89 1829 Comment
  CHSC102654  Potentilla glandulosa subsp. ashlandica Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16143 Plumas On dry gravelly soil, bottom of a small wash, 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
  CHSC65383  Potentilla gracilis var. fastigiata Lowell Ahart 1995-9-13 7635 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  POM34033  Potentilla millefolia Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA239231  Potentilla palustris Robert F. Thorne 1972-9-20 42312 Plumas Plumas National Forest: Snake Lake 4 miles NW of Quincy. 1220 Comment
  UC1931362  Potentilla recta Marti Aitken and Ingrid Burke 2009-7-9 Plumas On west side of State Route 89 approximately 0.9 miles north of Crescent Mills across from Stampfli Road. Comment
  CHSC97150  Potentilla rivalis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14037 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CHSC102386  Poteridium annuum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16126 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC52059  Prunella vulgaris var. lanceolata L. P. Janeway 1990-7-6 3780 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  CDA9314  Prunella vulgaris var. lanceolata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .267 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  UCD125334  Prunella vulgaris var. lanceolata John Thomas Howell 1960-7-21 35793 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC158593  Prunus John Thomas Howell; H. Keith Wagnon 1980-5-26 53594 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  CAS-BOT-BC158133  Prunus emarginata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54272 Plumas Mt. Hough 2203 Comment
  CAS-BOT-BC158138  Prunus emarginata Alice Eastwood 1927-6-17 14633 Plumas United States Forest Reserve Comment
  CAS-BOT-BC154847  Prunus virginiana var. demissa Clare B. Hardham 1975-8-2 20457 Plumas Black Mt. 2133 Comment
  SBBG33124  Prunus virginiana var. demissa K. K. Muller 1963-8-17 1246 Plumas near Quincy Comment
  CAS-BOT-BC356382  Pseudognaphalium beneolens John Thomas Howell 1960-7-20 35756 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC356504  Pseudognaphalium beneolens John Thomas Howell 1959-9-21 34797 Plumas Virgilia 841 Comment
  CAS-BOT-BC361680  Pseudognaphalium thermale John Thomas Howell 1975-7-22 51352 A Plumas 2 miles northwest of Spring Garden 1173 Comment
  SD8167  Pseudostellaria jamesiana R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA74356  Pseudostellaria jamesiana Milo S. Baker 1952-5-26 12465 Plumas Highway 89, just below Greeneville Comment
  UC1950122  Pseudostellaria jamesiana Barbara Ertter 2001-7-19 17710 Plumas southeast Diamond Mountains northeast of Frenchman Lake, upper Dooley Canyon Comment
  CAS-BOT-BC361686  Psilocarphus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54207 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  UC965585  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1952-7-17 14390 Plumas Beckwourth Sierra Nevada, Sierra Valley 1524 Comment
  UC485201  Psilocarphus oregonus H. M. Hall 1912-6-29 9296 Plumas Meadow Valley Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC361997  Psilocarphus tenellus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2126 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET5715485 Image available Pteridium aquilinum var. pubescens James I. Mallory 1969-1 355 Plumas 1.5 miles NNW of Camel Peak and 9 miles WNW of La Porte, Plumas National Forest.; Camel Peak 1524 Comment
  CAS-BOT-BC460526  Pterospora andromedea Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC147870  Purshia tridentata var. tridentata Alice Eastwood 1918-5-25 s.n. Plumas unspecified Comment
  CAS-BOT-BC147876  Purshia tridentata var. tridentata John Thomas Howell 1962-6-17 37692 Plumas Portola 1463 Comment
  CHSC113656  Purshia tridentata var. tridentata L. P. Janeway 2014-5-25 11266 Plumas High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Humboldt Peak; Pacific Crest Trail nearby. 2073 Comment
  RSA59424  Purshia tridentata var. tridentata E. K. Balls 1950-9-2 15660 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  UC1128544  Purshia tridentata var. tridentata E. Sawyer 1935-5-21 13 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1524 Comment
  RSA184940  Pycnanthemum californicum L. S. Rose 1966-7-27 s.n. Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  JEPS48508  Pyrola aphylla Esther C. Fritz 1933-8-5 Plumas Camp Califorest near Meadow Valley 1188 Comment
  CAS-BOT-BC460823  Pyrola aphylla Mrs. A. L. Combs 1906-6-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC462897  Pyrola asarifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2236 Plumas Butterfly Botanical Area and Vininity: Fern Glen 1097 Comment
  CAS-BOT-BC462776  Pyrola dentata Anna Head 1921-8-7 s.n. Plumas Feather River Region: Lake Center Camp Comment
  CAS-BOT-BC462784  Pyrola dentata Clare B. Hardham 1975-8-2 20467 Plumas Sierra Nevada; Black Mt. 2133 Comment
  CDA14718  Pyrola picta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3238 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC66623  Pyrola picta Vernon H. Oswald; Lowell Ahart 1996-7-15 8021 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the shore of the lake. 1371 Comment
  CAS-BOT-BC466100  Pyrola picta Walter Knight; Irja Knight 1966-6-19 1353 Plumas Butterfly Botanical Area and Vicinity 1158 Comment
  CAS-BOT-BC466106  Pyrola picta Clare B. Hardham 1978-8-11 21798 a Plumas In volcanic area about 5 miles SE of Thompson Peak Comment
  CAS-BOT-BC466111  Pyrola picta F. B. Cayot 1913-8-12 30 Plumas Plumas Forest, Smith's Peak 2133 Comment
  CAS-BOT-BC362267  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1962-6-17 37716 Plumas Portola 1463 Comment
  CHSC34918  Pyrrocoma carthamoides var. cusickii M. S. Taylor 1981-6-25 3950 Plumas E side of 24N01 on e side of Frenchman Lake, 0.8 mi s of Salmon Egg Shoal, 1.0 mi s of jct 24N01 and 25N11 at n tip of Frenchman Lake, ca. 13 mi nw of Chilcoot. 1737 Comment
  CHSC36866  Pyrrocoma lanceolata var. lanceolata M. S. Taylor 1982-8-27 5044 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  JEPS117928  Pyrrocoma lucida John Dittes, Lowell Ahart 2003-8-8 2003 -82 Plumas northwest edge of Sierra Valley, ca. 3.9 air miles east of Portola, ca. 0.7 air mile southwest of Beckwourth ca. 0.1 air mile south of Middle Fork Feather River Northern High Sierra Nevada 1488 Comment
  JEPS19254  Pyrrocoma lucida W. L. Jepson 1939-8-16 19430 Plumas Portola Comment
  CAS-BOT-BC362345  Pyrrocoma racemosa var. paniculata John Thomas Howell 1959-9-25 35016 Plumas 5 miles east of Beckwourth, Sierra Valley 1493 Comment
  UCD45591  Quercus chrysolepis John M. Tucker 1948-7-25 1736 Plumas California, Plumas Co.; summit of 'Lava Cap', ca. 1 mi. south of Cascade. Elevation 4717 ft. 1435 Comment
  SEINET9005326  Quercus chrysolepis W. D. Billings 1947-2-16 1662 Plumas 8 m. W. of Beldon. N. side of Feather River Canyon Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  CHSC33933  Quercus durata var. durata M. S. Taylor; M. Foster 1981-7-18 4053 Plumas N side of Caribou Rd, ca. 4 mi ne of its jct with Hwy 70 near Beldon. 822 Comment
  CHSC67365  Quercus garryana var. semota James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2559 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy 70. 1584 Comment
  CAS-BOT-BC105311  Quercus kelloggii Mrs. E. C. Suttiffe 1920-9-1 s.n. Plumas Gold Valley Comment
  UCD46621  Quercus kelloggii Dean Ahrenholtz 1964-5-9 15 Plumas Indian Creek Canyon, Plumas County, California. Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC104601  Quercus vacciniifolia Mrs. E. C. Suttiffe 1919-8-1 s.n. Plumas Golden Lake Region Comment
  CHSC21338  Quercus vacciniifolia F. T. Griggs; A. Pass 1975-7-7 86 Plumas Gold and Silver Lakes. Comment
  CHSC82359  Quercus vacciniifolia Lowell Ahart 2002-7-6 9837 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 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
  UC1135794  Quercus vacciniifolia G. Burks 1933-8-8 37 Plumas 2 mi w Franklin Hill; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  UC586846  Quercus vacciniifolia Joseph Andorfer Ewan 1934-6-25 8200 Plumas above Blairsden (Gold Lake Road); Sierra Nevada 1524 Comment
  UCD47416  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Dry rocky wooded slope, Drakesbad, Plumas County. 1676 Comment
  CAS-BOT-BC379471  Ranunculus alismifolius Cathy Ozaki 1983-5-14 88 Plumas Plumas National Forest, 5 mi N of Chilicot 1500 Comment
  CAS-BOT-BC379235  Ranunculus alismifolius var. alismellus Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1423 Plumas Butterfly Botanical Area and vicinity 488 Comment
  CHSC1470  Ranunculus alismifolius var. alismifolius R. Morford 1931-5-16 Plumas Humbug Valley meadow. 1310 Comment
  CAS-BOT-BC379370  Ranunculus alismifolius var. alismifolius M. S. Taylor 1982-7-12 4812 Plumas at headwaters of Chris Creek, ca. 6 mi NW of Mohawk 2012 Comment
  CAS-BOT-BC379215  Ranunculus aquatilis John Thomas Howell 1963-6-4 39404 Plumas Marble Hot Springs, Sierra Valley 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
  SEINET10535969  Ranunculus flammula var. ovalis Mary Susan Taylor 1981-9-3 Taylor 4270 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  CHSC60557  Ranunculus glaberrimus var. ellipticus L. P. Janeway 1992-4-2 4150 Plumas Plumas National Forest. Along Beckwourth-Genesee Road near junction with road to Laufman. Southwest side of Red Clover Valley. 1679 Comment
  CHSC60489  Ranunculus occidentalis L. P. Janeway 1992-5-13 4174 Plumas Plumas National Forest. North side of Lake Davis and 950 ft north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  JEPS28452  Ranunculus occidentalis George W. Gillett 1957-7-13 750 Plumas meadow across creek from Devils Kitchen; Lassen Volcanic National Park 1859 Comment
  CHSC53214  Ranunculus occidentalis var. ultramontanus L. P. Janeway 1989-6-9 3282 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. Along a drainage. 1691 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  UCD107486  Ranunculus orthorhynchus Tim Kuhn 2006-6-28 32 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC55824  Rhamnus John Thomas Howell 1977-6-21 52395 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1121918  Rhamnus purshiana C. G. Albertus 1935-7-28 239 Plumas 1.75 mi nw Argentine; Plumas National Forest, Downieville Quad. 1463 Comment
  POM180962  Rhamnus rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UC1408962  Rhamnus rubra R. F. Thorne and C. W. Tilforth 1969-9-6 39225 Plumas ca 2.5 mi s Graeagle (on Gold Lake Road) 1645 Comment
  SBBG30511  Rhododendron neoglandulosum D. Myrick 1968-6-18 1938 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CHSC21667  Rhododendron occidentale D. Brink; L. Mayer 1975-7-12 Plumas Comment
  CHSC72467  Rhynchospora capitellata L. P. Janeway 1998-9-10 6269 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog below Road 25N47 (Sweetwater Marsh) 0.3 mi south of Road 417. 1164 Comment
  SD134047  Rhynchospora capitellata Peter Rubtzoff 1962-10-15 Plumas Butterfly Valley. Comment
  CHSC76055  Ribes cereum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3267 Plumas Mount Hough summit. Label says 'BM: M' after Section 8. 2194 Comment
  UCD102122  Ribes cereum Donna Allen 1977-6-2 s.n. Plumas On Clover Creek dirt road, half way between Genesee valley and Summit valley. Comment
  CAS-BOT-BC169122  Ribes inerme var. inerme H. Albert Barker 1926-7-11 116 Plumas Feather River, Blairsden 1371 Comment
  CHSC54399  Ribes inerme var. inerme Vernon H. Oswald 1991-6-12 4663 Plumas Lassen Volcanic National Park. Meadow on the north side of Willow Lake, on the north side of the park boundary, ca. 3 miles southeast of Drakesbad. 1661 Comment
  CAS-BOT-BC219216  Ribes nevadense D. E. Breedlove 1962-6-12 3461 Plumas Jackson Creek, Upper drainage of Middle Fork of Feather River, I mile SE of Cromberg, Sierra Nevada 1341 Comment
  CAS-BOT-BC219230  Ribes nevadense Ella Dales Cantelow 1941-5-18 3521 Plumas At Johnsville, 4.5 miles W of Mohawk Comment
  CHSC46657  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On broken rocks, near low cliffs, on the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CHSC87645  Ribes nevadense Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10911 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
  UC2046360  Ribes nevadense Barbara Ertter with Richard Rabeler, Jim Shevock, Tony Morosco 1997-6-12 15692 Plumas Highway 70 along Feather River, above upper end of Rock Creek Reservoir downstream from Belden, ca 18 airmi WNW of Quincy. Comment
  UCD102421  Ribes nevadense G. T. Nordstrom 1934-7-16 229 Plumas 1 3/4 NE of Mt. Ararat. 1767 Comment
  CAS-BOT-BC186225  Ribes roezlii var. roezlii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC186229  Ribes roezlii var. roezlii David D. Keck 1932-7-6 1722 Plumas 4 miles N.W. of Greenville on road to Prattville Comment
  SEINET10480670  Rorippa Mary Susan Taylor 1981-7-13 Taylor 4000 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-BC74634  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
  SEINET11994767  Rorippa curvisiliqua Unknown 1985-1 5127 Plumas Little Grass Valley Res., where South Fork of Feather River flows in, about 4.25 mi NE of La Porte 1585 Comment
  CHSC38017  Rorippa curvisiliqua var. orientalis M. S. Taylor 1982-8-30 5076 Plumas S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. 2103 Comment
  CAS-BOT-BC146374  Rosa J. T. Howell 1977-6-20 52371 Plumas Lake Almanor Peninsula 1371 Comment
  CDA18041  Rosa californica B. Villegas 1999-7-8 s.n. Plumas Frenchman's Lake Rd. 0 Comment
  CHSC75532  Rosa gymnocarpa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas Forest land 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  UC570220  Rosa woodsii var. ultramontana E. Sawyer 1935-6-27 171 Plumas 3 1/2 mi n Hawks; Sierraville Quadrangle 1645 Comment
  RSA184931  Rubus leucodermis L. S. Rose 1966-7-26 66051 Plumas Butterfly Creek and Spanish Creek. 1 mile S of Keddie. 991 Comment
  RSA232861  Rumex acetosella L. S. Rose 1968-6-10 68092 Plumas Quincy. 1037 Comment
  CAS-BOT-BC433317  Rumex crispus John Thomas Howell 1960-7-18 35528 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC82125  Rumex fueginus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  JEPS122171  Rumex fueginus Lowell Ahart 2014-8-20 19713 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  UC1191268  Rumex maritimus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1376 Plumas n end Lake Almanor; , Last Chances Marshes Comment
  JEPS102263  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
  CHSC66620  Sagina saginoides Vernon H. Oswald; Lowell Ahart 1996-7-15 8012 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. On Jeep road. 1371 Comment
  SEINET3840880  Sagina saginoides G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-24 3223 Plumas One mile suoth of junction of Mount Hough-Crystal Lake Road with China Grade Road (road to Taylorsville), Rhinehart meadow 1680 Comment
  POM119223  Sagittaria Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  JEPS32202  Sagittaria cuneata W. L. Jepson 1918-8-17 8036 Plumas Sierra Valley 1524 Comment
  UC440203  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9333 Plumas Bear Lakes 1981 Comment
  CAS-BOT-BC103881  Salix exigua John Thomas Howell 1967-6-22 42653 Plumas Near mouth of Chambers Creek. Canyon of the Feather River North Fork 609 Comment
  JEPS102316  Salix exigua Lowell Ahart 2001-6-4 8758 Plumas 5 air miles NE of La Porte (overflow area on N side of South Fork of the Feather River, 1/2 mi SW of the Feather Fork Mine, 1 mi NE of Little Grass Valley Reservoir) 1594 Comment
  OBI2891  Salix exigua Lewis S. Rose 1968-6-10 68090 Plumas Quincy 1036 Comment
  CAS-BOT-BC107962  Salix geyeriana Corbin 1998-7-26 2796 Plumas Meadow S. of Clover Valley 1676 Comment
  UC846472  Salix geyeriana Alice Eastwood 1918-5-25 7003 Plumas Portola Comment
  CAS-BOT-BC125319  Salix lasiandra var. lasiandra John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2200 Plumas Mouth of Butterfly Creek 883 Comment
  JEPS113446  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14035 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  CAS-BOT-BC107055  Salix lasiolepis Walter Knight; Irja Knight 1967-5-22 1903 Plumas Mouth of Butterfly Creek 883 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
  JEPS113522  Salix lemmonii Lowell Ahart, John 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 1647 Comment
  UC449845  Salix lemmonii L. S. Smith 1931-5-27 7 a Plumas Plumas Meadow Plumas Nat'l Forest, Plumas Meadow Comment
  CAS-BOT-BC125107  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  SBBG29053  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 393 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  SD980  Salix ligulifolia Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester, floodplain at highway bridge 1349 Comment
  UC481910  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester (bottom land beside bridge); N. Fork Feather R. 1350 Comment
  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
  RSA232883  Salix melanopsis L. S. Rose 1968-6-10 68090 Plumas Quincy. 1037 Comment
  UC482037  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 395 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  JEPS124131  Salix orestera Lowell Ahart, John Deurloo 2015-8-25 20532 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  SEINET10479093  Salsola australis Mary Susan Taylor 1981-8-31 Taylor 4260 Plumas California: T2N R13E sw1/4 of se 1/4 sec 4. Blairsden quad. Small creek under RR tracks, off spur road 0.5 mi S of Hwy 70, near Mabie, ca. 3 mi W of Portola. Plumas County. 4800 ft. 1463 Comment
  CAS-BOT-BC176982  Salsola tragus John Thomas Howell 1959-9-24 34977 Plumas Beckwourth 1493 Comment
  UC1119907  Sambucus mexicana D. Axelrod 1934-6-2 47 Plumas 3/4 mi ne La Parte; Plumas National Forest, Downieville Quadrangle 1615 Comment
  CAS-BOT-BC238844  Sambucus nigra subsp. caerulea Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, near Green Lake, Feather River Region 1920 Comment
  CAS-BOT-BC235197  Sambucus racemosa var. racemosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  RSA0089041  Sanguisorba annua Bonnie C. Templeton 1968-6-9 11251 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. Comment
  SEINET11263195  Sanicula bipinnatifida Barbara Ertter, Gary Schoolcraft 1990-5-14 8980 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir.; 0 1372 Comment
  JEPS28596  Sanicula tuberosa George W. Gillett 1957-7-13 761 Plumas below Sifford Lakes (on direct route to the Devils Kitchen, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 Comment
  JEPS965  Sanicula tuberosa W. L. Jepson 1910-6-5 4067 Plumas Warner Valley 1524 Comment
  JEPS28623  Sanicula tuberosa George W. Gillett 1957-7-18 810 Plumas Lassen Volcanic National Park, ne side of Boiling Springs Lake Boiling Springs Lake Boiling Springs Lake Boiling Springs La; Lassen Volcanic National Park, Boiling Springs Lake 1813 Comment
  SEINET10913648  Sanicula tuberosa Barbara J. Ertter, Gary Schoolcraft 1990-5-14 Ertter 8982 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir, forest of mixed conifer, oak, maple; T26N R9E Sec 23. 1372 Comment
  JEPS113935  Sarcobatus vermiculatus W. and N. Harnach 2000-8-23 997 Plumas Sierra Valley 1 miles west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC466213  Sarcodes sanguinea Marion Ownbey; Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada Comment
  CAS-BOT-BC466218  Sarcodes sanguinea John Thomas Howell 1960-7-21 35824 Plumas Lassen Volcanic National Park, near Terminal Geyser 1798 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
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  UCD65885  Schedonorus arundinaceus John Thomas Howell; Gordon True, Walter Knight, and Irja Knight 1967-7-10 2168 Plumas Mouth of Butterfly Creek. 883 Comment
  RSA300175  Schedonorus pratensis J. T. Howell, I. Knight, Walter Knight, Gordon H. True 1967-7-10 2194 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity. 884 Comment
  CAS-BOT-BC111270  Schoenoplectus acutus var. occidentalis John Thomas Howell 1961-9-25 36943 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC111276  Schoenoplectus acutus var. occidentalis V. Oswald; Lowell Ahart 1988-8-4 3667 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC35576  Scirpus congdonii Anna Head 1921-7-1 s.n. Plumas near Lake Center Camp, Feather River Region Comment
  CHSC110371  Scirpus congdonii Lowell Ahart 2012-9-5 18439 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  SEINET10872756  Scirpus congdonii Lowell Ahart 1985-7-3 Ahart 5103 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC30738  Scirpus diffusus Walter Knight; Irja Knight 1966-9-12 1708 Plumas Beargrass Glade. 1127 Comment
  CAS-BOT-BC111012  Scirpus microcarpus Walter Knight; Irja Knight 1966-6-18 1388 Plumas Butterfly Valley. Near Pond Reservoir. 1127 Comment
  JEPS63966  Scirpus microcarpus W. I. Follett 1937-6-18 82 Plumas Rich Gulch Comment
  SEINET10504140  Scirpus microcarpus Douglas G. LeDoux, David B. Dunn; Katherine L. Morris 1973-6-5 LeDoux 1071 Plumas On s side of greenville on n facing slope. Douglas-fir forest on small side Road 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
  UC2058704  Scleranthus annuus subsp. annuus Tom Reyes, Martin Hutten, Heather Smith 2014-4-22 104 Plumas Terminal Geyser Comment
  POM69941  Scutellaria antirrhinoides Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET7718227  Scutellaria antirrhinoides Unknown Plumas American Valley Comment
  CHSC48498  Scutellaria siphocampyloides Vernon Oswald 1987-5-28 2936 Plumas Jordan Hill Rd. 0.5 mi s of the road to Sawmill Pk. Lookout. 890 Comment
  UC450432  Scutellaria siphocampyloides J. G. Lemmon 624 Plumas Indian Valley; High Sierra, Indian Valley Comment
  CHSC46746  Sedum obtusatum subsp. boreale Lowell Ahart 1979-7-18 2005 Plumas About 1 mile west of Pilot Peak, near the large outcrop on the east side of Quincy La Porte Road, south of Onion Valley, about 10 miles north-east of La Porte. 1828 Comment
  CDA14753  Sedum spathulifolium G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3312 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek 1341 Comment
  UC1778630  Sedum spathulifolium G. Douglas Barbe, T. C. Fuller 1982-7-15 3746 Plumas 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  RSA212167  Selaginella wallacei Lewis S. Rose 1967-5-8 67071 Plumas 3.5 miles SW of Belden, N fork of Feather River. 762 Comment
  SEINET6340525  Selaginella watsonii H. N. Mozingo 1977-6-14 77 -37 Plumas 1.2 mile inside Plumas Co. border along Rt. 70. Comment
  CDA8608  Senecio eurycephalus T. C. Fuller 1958-7-7 1916 Plumas 3 miles west of Virgilia. 0 Comment
  CAS-BOT-BC341174  Senecio hydrophiloides A. A. Heller; P. B. Kennedy 1907-7-17 8878 Plumas Red Clover Valley Comment
  CAS-BOT-BC363734  Senecio hydrophilus Clare B. Hardham 1978-8-11 21804 Plumas Red Clover Creek Road 1219 Comment
  CDA14133  Senecio integerrimus var. exaltatus G. F. Hrusa 1997-5-3 13823 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  UC1542939  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  CAS-BOT-BC363921  Senecio integerrimus var. exaltatus Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  CAS-BOT-BC364035  Senecio integerrimus var. major A. A. Heller; P. B. Kennedy 1907-7-5 8742 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC364039  Senecio integerrimus var. major G. D. Barbe 1982-6-9 3670 Plumas South slope of Thompson Peak summit, along road to lookout; Plumas National Forest 2057 Comment
  UCD107500  Senecio serra var. serra Tim Kuhn 2006-6-29 46 Plumas north of Lake Davis at Old House Meadow. Comment
  JEPS37658  Senecio triangularis H. M. Wheeler 1944-8-23 637 Plumas near Cascade; South Fork Feather River, Pinchard Creek Comment
  RSA517869  Sidalcea J. T. Howell, G. H. True 1973-7-31 50142 Plumas On road from Janesville to Thompson Peak, Diamond Range 1905 Comment
  CHSC106832  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 and Hwy 36 SW of Chester. 1463 Comment
  CHSC20808  Sidalcea oregana subsp. spicata K. R. Stern 1975-7-24 5845 Plumas E. shore of Lake Almanor. 1371 Comment
  SD211634  Sidalcea oregana subsp. spicata Barbara Ertter 1988-7-25 7843 Plumas Diamond Mountains circa 12 airmiles SSW of Susanville, Snoring Springs 1/2 mile North of Diamond Mt-Greenville-Red Rock junction 1981 Comment
  CHSC67432  Silene bernardina James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2569 Plumas Top of Red Mtn. above Rich Gulch Rd., N of Hwy. 70. 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-BC386983  Silene douglasii Anna Head 1921-7-20 s.n. Plumas On rocky slopes near Round L. Comment
  CAS-BOT-BC386988  Silene douglasii L. P. Janeway 1991-8-23 4093 Plumas Gold Lake. Between Gold Lake HWy and Gray Eagle Creek, 1.0 mi north of turm to Gray Eagle Lodge. 1691 Comment
  CHSC67210  Silene invisa James D. Jokerst 1989-7-3 3111 Plumas Florintine Canyon W of Johnstown. Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CDA15898  Silene lemmonii B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA18464  Silene lemmonii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3203 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC97179  Silene lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14058 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC389396  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River 1554 Comment
  JEPS48491  Silene lemmonii John W. Duffield 1937-6-9 Plumas n Bucks Lake (se slope of Bucks Mt.); , n of Bucks Lake Comment
  POM181049  Silene lemmonii A. A. Heller, B. B. Kennedy 1907-7-11 8814 Plumas Prattville. Comment
  CAS-BOT-BC389556  Silene nuda M. S. Taylor 1982-6-28 4764 Plumas Ramelli Ranch, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC389561  Silene nuda Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC75123  Sisymbrium altissimum Lowell Ahart 1981-9-6 3093 Plumas Sierra Nevada. 1.5 mile southwest of Crescent Mills. 1200 Comment
  UC335156  Sisyrinchium idahoense unknown 1889-5-28 Plumas Culver's Ranch; Mohawk Valley Comment
  UC1134667  Smilacina racemosa C. G. Albertus 1935-7-27 237 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle 1310 Comment
  SEINET12320790  Solanum parishii Unknown 1968-1 s.n. Plumas ca 30 mi N of Oroville on Hwy 70 Comment
  UCSB45743  Solanum parishii Reisentz, Paul 1979-5-12 Plumas 1 mile north of Injun Jim Campground on Highway 70, 5.7 miles south of Beldon Comment
  CAS-BOT-BC157242  Solanum umbelliferum W. D. Dakan 1974-4-25 s.n. Plumas At mouth of Chambers Creek, just above Tobin, North Fork of the Feather River 640 Comment
  CAS-BOT-BC364889  Solidago Rimo Bacigalupi; J. R. Sweeney; G. Bacigalupi, Jr. 1953-8-31 4349 Plumas Northern limits of Taylorsville 1079 Comment
  SEINET3149129  Solidago californica E. K. Balls 1950-9-9 15693 Plumas 3.1 mi E of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  CAS-BOT-BC365509  Solidago elongata Anna Head 1921-8-13 s.n. Plumas Lake Center Camp, Feather River Region Comment
  JEPS113515  Solidago elongata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14470 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  UC830219  Solidago elongata Anna Head 1921-8-13 Plumas Lake Center Camp , Lake Center Camp (Feather River Region) Comment
  RSA151672  Solidago lepida var. salebrosa R. C. Bacigalupi, J. R. Sweeney 1953-8-31 4349 Plumas Northern limits of Taylorsville. 1080 Comment
  CAS-BOT-BC365125  Solidago velutina subsp. californica Clare B. Hardham 1978-8-11 21811 a Plumas About 7 mi. se. of Antelope Reservoir Comment
  JEPS95041  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-9-18 8880 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Forest Road 26N25 at Soda Ravine 1249 Comment
  SDSU522  Solidago velutina subsp. californica R. M. Beauchamp 1965-7-17 Plumas Beside the Feather River, 1/2 mile north of Chester. Comment
  CAS-BOT-BC374666  Sonchus oleraceus John Thomas Howell 1951-6-29 27755 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC157312  Sorbus californica Mary Strong Clemens 1920-1-1 s.n. Plumas Crystal Lake Comment
  SD8504  Sorbus sambucifolia Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  UCD114047  Sorbus sitchensis O. Lilleland 1932-8-1 s.n. Plumas location unknown. 6 Comment
  SEINET10483621  Sorbus sitchensis Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3903 Plumas T24N R8E sw/nw sec 7; N side of Silver Lake, ca. 4 mi NW of Meadow Valley; elevation ca. 6000 ft. 1829 Comment
  CHSC34327  Sparganium emersum subsp. emersum L. Ahart 1981-9-6 3121 Plumas On a sandbar and near the bank of Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  JEPS107726  Sparganium emersum subsp. emersum Lowell Ahart, John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CHSC113865  Spergularia rubra Lowell Ahart 2014-9-9 19838 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC24256  Spergularia rubra K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC95023  Spergularia rubra Lowell Ahart 2006-10-23 13480 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 40 yards south of where the road ends, about 10 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC390682  Spergularia rubra John Thomas Howell 1960-7-19 35615 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  RSA29620  Sphenosciadium capitellatum Joseph A. Ewan 1934-7-8 8587 Plumas Camp Coldwell, Dentins(?) Mohawk Valley 1616 Comment
  CHSC82468  Spiraea densiflora Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9826 Plumas In a logged over area on the south side of Forest Road 22N94, east of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1606 Comment
  UC1128713  Spiraea douglasii Beryl O. Schreiber 1938-7-9 2522 Plumas 1 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  UC170950  Spiraea douglasii H. M. Hall 1912-6-28 9282 Plumas Spanish Creek; Sierra Nevada Mountains 1158 Comment
  SEINET10483627  Spiraea douglasii Mary Susan Taylor 1982-6-14 Taylor 4672 Plumas T26N R9E se sec 34. Greenville SW quad. E side of Hwy 89, ca. 1 mi n of Indian Falls. 3400 ft. 1036 Comment
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CDA13379  Stachys ajugoides var. ajugoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13228 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E, about 1/4 mile below headwater springs. Comment
  CHSC105674  Stachys ajugoides var. rigida Lowell Ahart 2010-10-21 17309 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  CHSC47368  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3548 Plumas Plumas National Forest. Along edge of dirt road in draw between Olive Cr and Peoria Cr, above Middle Fork Feather River. 1463 Comment
  CHSC51238  Stachys ajugoides var. rigida Lowell Ahart 1976-7-7 1157 Plumas Growing along Cold Water Creek, at the camp on Cold Water Creek, about 4 miles south of Grizzly Mountain. 1524 Comment
  CHSC52070  Stachys ajugoides var. rigida L. P. Janeway 1989-6-27 3402 Plumas Between Tomba Rd and hwy 70/89, just N of Jackson Cr; below Cromberg Spring. 1335 Comment
  JEPS114522  Stachys ajugoides var. rigida Lowell Ahart 2008-8-14 15207 Plumas On the sides of a small stream, about 50 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1600 Comment
  JEPS101240  Stachys pycnantha Dean W. Taylor 2000-8-8 17551 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  CAS-BOT-BC391057  Stellaria graminea John Thomas Howell 1975-6-15 51127 Plumas Quincy 1036 Comment
  CAS-BOT-BC393830  Stellaria media John Thomas Howell; Gordon H. True 1974-7-29 50621 Plumas Quincy 1036 Comment
  CHSC94981  Stellaria obtusa Lowell Ahart 2006-10-8 13409 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
  CDA19249  Stenotus acaulis G. D. Barbe, T. C. Fuller 1982-6-17 3812 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET9330227  Stenotus acaulis Unknown 1982-6-17 3812 Plumas Plumas National Forest Comment
  SEINET10886681 Image available Stenotus acaulis A. Arthur Heller, Patrick B. Kennedy 1907-7-3 Heller 8696 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC375208  Stephanomeria elata John Thomas Howell 1976-7-14 51822 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CAS-BOT-BC375312  Stephanomeria exigua subsp. coronaria Alice Eastwood 1927-6-27 14869 Plumas On road from Chilcott [Chilcoot]. United States Forest Reserve Comment
  CAS-BOT-BC375618  Stephanomeria lactucina Clare B. Hardham 1970-8-9 17716 V Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC82534  Stephanomeria lactucina L. P. Janeway 2001-7-3 7262 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA101425  Stephanomeria lactucina R. Weatherby 1955-8-12 1680 Plumas McFarland Ravine, Bear Creek area, near Meadow Valley. 1402 Comment
  SEINET10523017  Stipa lemmonii Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1084 Plumas Coll 2.2 mi from Jct of Hwy 89 and 70. Douglas fir, Libocedrus, and Quercus along Hwy 89. Comment
  SEINET10610747  Stipa occidentalis John Thomas Howell 1967-7-11 Howell 43336 Plumas Summit Ridge of Mt. Hough, (metamorphic area). 2195 Comment
  SEINET8080356  Stipa occidentalis var. pubescens S. B. Doten 1901-6-16 49 Plumas NE of Sierra Valley. Comment
  CAS-BOT-BC87777  Streptanthus tortuosus A. A. Heller 1915-7-7 12072 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada. 12 miles west of Bucks. 1676 Comment
  CHSC43436  Streptanthus tortuosus Lowell Ahart 1970-7-1 59 Plumas Along the edge of Lumpkin Ridge Road, about 10 miles west of La Porte. 1371 Comment
  RSA600458  Streptanthus tortuosus L. C. Wheeler 1959-7-15 7566 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CDA18579  Streptanthus tortuosus var. orbiculatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3298 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CHSC96342  Streptanthus tortuosus var. orbiculatus D. G. Kelch; Alan Smith, Andrew Murdock, Ruth Kirkpatrick 2006-6-21 6286 Plumas Plumas Eureka State Park. S Johnsville. 1554 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
  CHSC110279  Streptanthus tortuosus var. pallidus L. P. Janeway 2012-6-2 10845 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  UC336543  Streptopus amplexifolius var. americanus unknown Plumas Comment
  UC140367  Swertia albicaulis var. nitida Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  CHSC26161  Symphoricarpos albus var. laevigatus Detzer; M. Sacks