Search Results — 2000 specimen records retrieved (1461 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
  CHSC33729  Abies concolor M. S. Taylor; M. Foster 1981-7-14 4021 Plumas Bullfrog Ravine, e side of 26N18, ca. 3 air mi nw of Indian Falls. 1645 Comment
  CHSC84951  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas About 40 yards south of the road to Tamarack Flat, on the north side of a very small branch of Fall River, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  SEINET3559838 Image available Abies concolor James Montgomery 1969-7-26 81201 a Plumas 11 miles northwest of Greenville. Comment
  NY29507  Abies lowiana E. Fritz 1936-6-22 8207 Plumas Comment
  CAS-BOT-BC78097  Abies magnifica Rutter; Atkinson 1899-9-1 s.n. Plumas Onion Valley Comment
  UCD116965  Acer glabrum J. M. Tucker 1948-7-25 1737 Plumas at mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. 1524 Comment
  CHSC21078  Acer glabrum var. torreyi F. T. Griggs; A. Pass 1975-7-2 46 Plumas Bucks Lake Forest Service Survey Comment
  RSA603070  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  SEINET12765773  Acer glabrum var. torreyi D. W. McNeal 1991-7-23 3841 Plumas Above the N end of Long Lake, Lakes Basin.; 0 Comment
  CAS-BOT-BC333230  Acer macrophyllum Alice Eastwood 1927-6-1 14492 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  SEINET7893936  Acer macrophyllum C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  SEINET7894050  Acer macrophyllum R. Sumner 1949-5-28 126 Plumas Keddie, 1067 Comment
  CHSC92173  Achillea millefolium Lowell Ahart; John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  CDA13559  Achnatherum lemmonii G. F. Hrusa, T. D. Wilfred 1996-7-22 13387 Plumas Sierra Nevada; PLUMAS NATIONAL FOREST: near summit of ridge in lightly shaded opening within mixed conifer forest on S side above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CAS-BOT-BC217985  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad 1828 Comment
  JEPS113738  Achnatherum nevadense Lowell Ahart, John Dittes 2007-6-17 14156 Plumas On dry bare rocky soil, on a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 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) 1654 Comment
  POM115579  Achnatherum occidentale subsp. occidentale Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  RSA484121  Achnatherum occidentale subsp. occidentale A. A. Beetle 1941-6-28 2898 Plumas west side of Lake Almanor 1829 Comment
  UC1133183  Achnatherum occidentale subsp. occidentale C. W. Hanks 1934-8-8 16 Plumas ridge top, nw end of Sierra Valley Plumas National Forest, Sierraville Quadrangle, Sierra Valle Comment
  UC1133186  Achnatherum occidentale subsp. occidentale E. Sawyer 1935-6-18 127 Plumas 1 3/4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC210927  Achnatherum occidentale subsp. pubescens Gordon H. True 1973-8-1 50195 Plumas Ca. 2.5 miles se. of Diamond Mt. 2164 Comment
  CHSC110617  Acmispon americanus var. americanus B. Castro; G. Kuenster 2006-8-4 1583 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 600 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC32034  Acmispon americanus var. americanus L. Ahart 1977-7-26 1501 Plumas Along road to Bunker Hill Creek, ca. 0.5 mi below Bunker Hill Mine, ca. 10 mi ne of La Porte. 609 Comment
  CHSC59913  Acmispon americanus var. americanus L. P. Janeway 1992-7-17 4269 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. 1731 Comment
  UCD169240  Acmispon americanus var. americanus S. L. Welsh; N. D. Atwood 2001-6-13 28128 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  CHSC880  Acmispon nevadensis D. Crummett 1937-5-14 Plumas Feather river highway below Belden. 731 Comment
  UCSB63569  Acmispon nevadensis var. nevadensis Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; upper edge of reconstruction zone of Hwy. 70; T26N R9E, NE1/4 NW 1/4 Sect. 35 Comment
  UCD95305  Aconitum columbianum H. B. Currier 1952-8-14 s.n. Plumas Lake Center Camp, Gold Lake Region, Plumas National Forest. 1859 Comment
  CAS-BOT-BC418804  Aconogonon phytolaccifolium John Thomas Howell 1976-7-16 51924 Plumas Near Bucks Lake 1584 Comment
  CHSC43726  Actaea rubra Vernon Oswald 1986-7-2 2181 Plumas Pacific Crest Trail, ca. 0.3 mi e of Humboldt Summit. 1999 Comment
  CHSC59162  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1992-9-15 5209 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  JEPS87886  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  CHSC52028  Agastache urticifolia L. P. Janeway 1989-7-12 3479 Plumas Along Jackson Cr; rd 23N11 2.3 mi from hwy 89/70, then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  SEINET12334048  Agastache urticifolia L. P. Janeway 1989-1 3350 Plumas Crocker Mt Quad, near top of Crocker Mt 2195 Comment
  CAS-BOT-BC29430  Ageratina occidentalis Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC102107  Ageratina occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16215 Plumas On dry rocky soil, along a drainage from a snow lake, about 100 yards northeast of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  SD8936  Ageratina occidentalis unknown 1882-7-26 Plumas Hamilton Bridge, Big Meadows. Comment
  CAS-BOT-BC29512  Agoseris John Thomas Howell 1955-7-20 30854 Plumas Mohawk 1371 Comment
  CAS-BOT-BC29599  Agoseris X dasycarpa Ben Beard; J. D. Schoeller 1928-5-28 400 Plumas Plumas National Forest, 1 mi SE Plinco Mine Last Chance 1676 Comment
  SEINET10475085  Agoseris aurantiaca Mary Susan Taylor 1982-8-9 Taylor 4944 Plumas T26N R8E se sec 3. Almanor NE quad. Along creek in wet & dry area, e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 mi sse of Canyon Dam. Mixed Evergreen Forest; 6100 ft. 1859 Comment
  CHSC112557  Agoseris glauca var. laciniata B. Castro; L. P. Janeway 2007-6-7 1640 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 150 ft below 'finger' of very open Ponderosa-Jeffrey pine forest. 1676 Comment
  RSA726408  Agoseris glauca var. laciniata L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14040 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  CHSC44184  Agoseris glauca var. monticola Vernon Oswald 1988-7-19 3594 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  SEINET10937971  Agoseris heterophylla Mary Susan Taylor 1982-6-12 Taylor 4642 Plumas T28N R6E ne/ne sec 24. Mt Harkness SE quad. Jct of Hwys 36 & 89, ca. 3 mi w of Chester. 4900 ft. 1493 Comment
  CHSC81343  Agoseris retrorsa L. P. Janeway 1996-5-20 4979 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  SEINET12911692  Agropyron trachycaulum var. trachycaulum C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded on N by alley, S by Quincy Street, E by Willow Street, W by Rock Street). 1484 Comment
  CAS-BOT-BC162045  Agrostis Fred Sommers; Greg Sommers 1976-7-20 177 Plumas Marble Hot Springs Area Sierra Valley Marsh. Marble Lane. 1487 Comment
  CAS-BOT-BC127078  Agrostis exarata Lowell Ahart 1977-7-9 1522 Plumas 0.5 mile below the Bunker Hill Mine which is about 10 miles northeast of La Porte. 1800 Comment
  CAS-BOT-BC127080  Agrostis exarata Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1613 Plumas Butterfly Botanical Area and Vicinity. Fern Glen along roadside. 1097 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  CAS-BOT-BC127102  Agrostis exarata Clare B. Hardham 1970-8-8 17701 P Plumas Road to Thompson Peak Lookout. 2133 Comment
  CHSC81176  Agrostis exarata Lowell Ahart 2001-8-29 9243 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC92817  Agrostis exarata Lowell Ahart; Josephine Guardino 2005-8-9 12285 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SD71007  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park, wet meadow, Drakesbad. 1676 Comment
  UCD52263  Agrostis exarata Beecher Crampton 1964-8-25 7160 Plumas Lassen Volcanic National Park, Devil's Kitchen, Hot Springs Creek. 1859 Comment
  CAS-BOT-BC139606  Agrostis gigantea Walter Knight 1966-7-28 1445 Plumas Butterfly Botanical Area and Vicinity. Near bed of Spanish Creek adjacent to confluence of Butterfly Creek. 883 Comment
  CAS-BOT-BC139612  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1661 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  CHSC73707  Agrostis pallens B. Castro; L. Gehrung 1992-8-11 596 Plumas Ca 1 air mi SSE of the Fingerboard and ca 0.5 mi NNW of Onion Valley Reservoir, immediately E of County Rd 511. 1950 Comment
  CAS-BOT-BC138706  Agrostis scabra Clare B. Hardham 1970-8-8 17701 J Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC138712  Agrostis scabra Thomas H. Kearney 1944-8-14 5 Plumas Near Prattville, Lake Almanor. Comment
  JEPS122099  Agrostis scabra Lowell Ahart 2014-8-24 19742 Plumas On the north side of 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
  UC441332  Alisma plantago-aquatica Mrs. R. M. Austin Aug. 1896 505 Plumas Big Meadows Comment
  SBBG30570  Allium campanulatum D. Myrick 1968-6-18 1944 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC466607  Allium campanulatum Robert J. Weatherby 1955-7-2 1569 Plumas Bear Ridge near Taylor Lake 2194 Comment
  CAS-BOT-BC466701  Allium campanulatum Anna Head 1921-7-7 s.n. Plumas Near Blairsden. Feather River region Comment
  UC1584013  Allium campanulatum G. Schoolcraft 1990-6-4 2070 Plumas 1 mi w Crescent Mills 1463 Comment
  UC614423  Allium campanulatum L. Constance 1938-6-10 2321 Plumas near Lake Almanor (Feather River at Chester); Feather River, Chester 1219 Comment
  CHSC60506  Allium lemmonii L. P. Janeway; Jannice Cutler 1992-5-19 4189 Plumas Plumas National Forest. West side of Ross Ranch Meadow, ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola. 1493 Comment
  UCD143206  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
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  CAS-BOT-BC205709  Allium parvum James R. Shevock 1985-5-19 11168 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01 at Dixie Valley, 11.6 miles northwest of Frenchman Reservoir 1900 Comment
  CHSC58048  Allium parvum Vernon H. Oswald 1992-5-18 4941 Plumas Juniper Lake Rd. 0.3 mi N of the park boundary. Lassen National Park. 1999 Comment
  RSA790172  Allium platycaule James R. Shevock 1985-5-19 11163 Plumas Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir. 1800 Comment
  CAS-BOT-BC474088  Allium platycaule Lowell Ahart 1983-7-20 4200 Plumas About 1/4 mile east of the Feather Fork Mine, about 5.5 miles north of La Porte 1800 Comment
  CAS-BOT-BC474095  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  CHSC21332  Allium validum F. T. Griggs; A. Pass 1975-8-1 285 Plumas Lower Buck's Lake. Comment
  CHSC75937  Allium validum G. F. Hrusa 1996-8-2 13438 Plumas At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Sierra Nevada. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  CAS-BOT-BC476719  Allium validum Ahart Lowell 1981-7-21 2960 Plumas Buzzards Roost Ridge, north of Pilot Peak 2000 Comment
  CAS-BOT-BC476728  Allium validum Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine. 1700 Comment
  SEINET10472025  Allium validum Mary Susan Taylor 1982-8-4 Taylor 4917 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
  CDA17233  Allophyllum gilioides subsp. violaceum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16336 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC52450  Allophyllum gilioides subsp. violaceum L. P. Janeway 1989-6-22 3369 Plumas Plumas National Forest. Slopes between Crocker Mtn. and Crocker Mdw; along rd 24N49Y. 1798 Comment
  RSA0035828  Allophyllum integrifolium Lowell A. Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  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
  SEINET4070181  Alnus incana subsp. tenuifolia B. C. Templeton 1967-1 10743 Plumas Butterfly Valley, near Quincy. 1066 Comment
  SEINET5536153 Image available Alnus incana subsp. tenuifolia Clarissa Kimber 1961-1 248 Plumas Upper Butterfly Valley, 2.5 mi. W turn off Huy 89-US 40 alt. 1 mi. S Keddle; Greenville Quadrangle 1158 Comment
  UC1135173  Alnus incana subsp. tenuifolia D. Axelrod 1934-6-12 46 Plumas 1 mi s Fowler Peak; Plumas National Forest, Downieville Quadrangle Comment
  CHSC97534  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS76236  Alopecurus aequalis W. L. Jepson 1939-8-12 19406 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  RSA726448  Alopecurus aequalis L. 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. 1655 Comment
  SEINET228761  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas 1 mi NE of Pilot Peak 16 mi NE of La Porte 1900 Comment
  CAS-BOT-BC138116  Alopecurus aequalis var. aequalis Thomas H. Kearney 1944-8-14 6 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC137994  Alopecurus geniculatus Fred Sommers 1976-6-7 123 Plumas Sierra Nevada. Sierra Valley Marsh, roadside ditch along Dyson Lane. 1524 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
  CAS-BOT-BC13541  Ambrosia acanthicarpa John Thomas Howell 1959-9-25 35025 Plumas Summit of Beckwourth Pass 1588 Comment
  CHSC94862  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola. 1487 Comment
  CHSC94842  Ambrosia psilostachya Lowell Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 622 Comment
  POM275581  Amelanchier florida Lyman D. Benson 1932-7-29 4012 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CAS-BOT-BC136783  Amelanchier utahensis Leah D. McKee 1981-5-16 044 Plumas .7 miles off of Beckworth Pass 1371 Comment
  CHSC110939  Amelanchier utahensis L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  JEPS123951  Amelanchier utahensis Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20418 Plumas On the west side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  UC1127756 Image available Amelanchier utahensis D. Axelrod 1934-6-8 13 Plumas La Parte; Plumas National Forest, Downieville Quad. 1524 Comment
  UC1127772  Amelanchier utahensis E. Nourse 1934-8-14 10 Plumas 2 mi e and 1 mi n Quincy; Plumas National Forest, Downieville Quad. 1066 Comment
  CAS-BOT-BC213969  Amsinckia John Thomas Howell; H. Keith Wagnon 1980-5-27 53680 Plumas Quincy, Sierra Nevada 1051 Comment
  CAS-BOT-BC26897  Amsinckia bullata Alice Eastwood 1927-6-11 14436 Plumas Crescent Mills. United States Forest Reserve. Comment
  UC174628  Amsinckia menziesii var. menziesii A. A. Heller with P. B. Kennedy 1907-7-15 8850 Plumas near mouth of Little Grizzly Creek below Genessee Comment
  UC577942  Amsinckia tessellata var. tessellata E. Sawyer 1935-6-14 102 Plumas 3/4 mi w of Sugarloaf 1524 Comment
  CHSC36318  Anaphalis margaritacea M. S. Taylor 1982-8-10 4951 Plumas End of spur rd off Seneca Rd (306) at Salmon Creek, ca. 2 air mi S of Canyon Dam. 1524 Comment
  SBBG128658  Anaphalis margaritacea L. Ahart 2008-9-10 15361 Plumas both sides of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. 1 mi NE of La Porte 1593 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
  UCD105969  Anemone drummondii var. drummondii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  RSA253229  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas Ridge between Chester and the Tehama County line. 1372 Comment
  CHSC58176  Anemone oregana Vernon H. Oswald 1992-6-18 4994 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Forest bordering a small snow lake (not shown on map) slightly SW of rocky cliffs bordering the creek. 1633 Comment
  CHSC34863  Angelica breweri M. S. Taylor 1981-6-15 3896 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29 (rd to Dean's Valley), ca. 2 mi ne of Meadow Valley. 1158 Comment
  CHSC64058  Angelica breweri B. Castro; R. A. Schlising 1987-7-21 173 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N89 and 22N42 on somewhat rocky hillside below roads. 1539 Comment
  CAS-BOT-BC59302  Antennaria argentea Mrs. H. C. Cantelow 1939-5-20 2546 Plumas Meadow Valley Comment
  UC2042994  Antennaria argentea Barbara Ertter with Gary Schoolcraft 1990-5-14 8987 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  SJSU6949  Antennaria argentea C. W. Sharsmith 1975-6-17 8224 Plumas near Gray Eagle Creek 1371 Comment
  CAS-BOT-BC59178  Antennaria dimorpha John Thomas Howell 1962-6-17 37707 Plumas Portola 1463 Comment
  CHSC94912  Antennaria dimorpha L. P. Janeway; B. Castro 2006-6-4 8665 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road. 1684 Comment
  CHSC97526  Antennaria dimorpha Lowell Ahart; John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest 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
  JEPS113786  Antennaria dimorpha Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14039 Plumas Along the west side of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  SJSU4150  Antennaria dimorpha C. W. Sharsmith & W. Savage 1967-5-20 7520 Plumas near S base of The Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC58707  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4973 A Plumas Between Smith Peak and the SW corner of Lake Davis; between Humbug Creek and Dan Blough Creek 1798 Comment
  UC336310  Antennaria geyeri unknown 1883-7-1 Plumas Indian Valley Comment
  CAS-BOT-BC79926  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CAS-BOT-BC86956  Antennaria pulchella Alice Eastwood 1912-8-22 1857 Plumas Foot of Lassen Butte Comment
  UC1125558  Antennaria rosea E. Sawyer 1935-6-27 213 Plumas Mouth of Dixie Valley Sierraville Quad., Dixie Valley 1554 Comment
  CHSC83615  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 2001-6-28 7243 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  JEPS20831  Antirrhinum vexillocalyculatum subsp. intermedium S. Galen Smith 1958-7-25 Plumas near Rich Bar (along Feather River Hwy (U.S. 40 Alt), 2.2 mi e of the bridge across the North Fork of the Feather River and the junction with the road to Caribou) 777 Comment
  CHSC34866  Apocynum androsaemifolium M. S. Taylor 1981-7-17 4035 Plumas Lakes Basin, Bear Lakes trail, just s of spur trail to Gold Lake Lodge, ca. 6 mi s of Mohawk. 1981 Comment
  JEPS86274  Apocynum androsaemifolium W. L. Jepson 1939-7-31 19313 Plumas lower slopes Spanish Peak Spanish Peak 2042 Comment
  SD7706  Apocynum androsaemifolium Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  UC565905  Apocynum androsaemifolium E. Sawyer 1935-7-9 275 Plumas 4 1.2 mi. s. Crow; Sierraville Quad. 1828 Comment
  POM253303  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-6-22 s.n. Plumas Along highway #36, south of Chester 1311 Comment
  SEINET259928  Apocynum pumilum M. S. Taylor 1981-7-27 4126 Plumas Babcock Peak. N side of Beckworth Genesse Rd ca. 7 air mi E of Genesse. Alson in section 4 and 'C 10 1646 Comment
  CHSC11354  Aquilegia formosa Lowell Ahart 1968-6-29 Plumas Six miles N.E. of La Porte. 1371 Comment
  CHSC61605  Aquilegia formosa Arthur G. Barrett 1915-7-8 Plumas Indian Creek, near Willow Creek. NE slope 1676 Comment
  CAS-BOT-BC397886  Aquilegia formosa David D. Keck 1932-7-3 1632 Plumas Quincy, to south of town. 1065 Comment
  RSA101461  Aquilegia formosa R. Weatherby 1955-7-2 1577 Plumas Creek below Bear Ridge, near Taylor Lake. 2073 Comment
  UC1075690  Aquilegia formosa Robert J. Weatherby 1955-7-2 1577 Plumas below Bear Ridge (by creek near Taylor) 2072 Comment
  SEINET10448414  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4476 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  RSA244723  Arabis holboellii var. retrofracta Walter Knight, I. Knight, J. T. Howell, G. H. True 1969-6-24 2437 Plumas Near mouth of Butterfly Creek. 884 Comment
  CDA14710  Arabis rectissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3221 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 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
  UC1122879  Aralia californica E. Nourse 1934-9-5 34 Plumas 1 mi. s. & 1/3 mi. w. of Nelson Point; Plumas Nat'l Forest, Downieville Quad. Comment
  UC924272  Aralia californica H. S. Reed 1941-8-2 Plumas Forest Lodge 1036 Comment
  RSA101401  Arceuthobium abietinum R. Weatherby 1955-8-6 1674 Plumas Near Claremont Peak, Quincy area. 2012 Comment
  SEINET2140111  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -61 Plumas S. end of Long Lake. 2020 Comment
  RSA122006  Arctostaphylos manzanita subsp. manzanita E. Sawyer 1935-6-14 112 Plumas Two miles northeast of Kerby. 1646 Comment
  CHSC118702  Arctostaphylos mewukka subsp. mewukka Wendy L. Boes 2016-8-21 2016037 Plumas Plumas National Forest. Located on 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
  CAS-BOT-BC38477  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2404 Plumas Butterfly Botanical Area. Along road west of reservoir. Comment
  CAS-BOT-BC38484  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-22 51359 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC38485  Arctostaphylos mewukka subsp. truei John Thomas Howell 1966-7-26 42005 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  RSA101441  Arctostaphylos nevadensis R. Weatherby 1955-6-22 1538 Plumas Spanish Peak. 2134 Comment
  UC567082  Arctostaphylos nevadensis C. G. Albertus 1935-8-7 241 Plumas four mi nw Blue Nose; Downieville 2133 Comment
  JEPS38822  Arctostaphylos patula W. L. Jepson 8017 Plumas Taylorsville 1097 Comment
  UC1488855  Arctostaphylos patula Katherine K. Muller 1965-8-19 1354 Plumas near Chester Comment
  UC565923  Arctostaphylos patula E. Nourse 1934-6-4 30 Plumas e side Clermont Hill; Downieville Quadrangle 2133 Comment
  UC566971  Arctostaphylos patula C. G. Albertus 1935-7-22 222 Plumas 3 3/4 mi sw Lovejoys; Downieville Quadrangle 1767 Comment
  UCD53426  Arctostaphylos patula E. Nourse 1934-7-31 2 Plumas Plumas National Forest. 1615 Comment
  UCD51942  Arctostaphylos truei John Thomas Howell 1976-4-2 51571 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  SEINET11993341  Arctostaphylos truei W. Knight, Knight, I. 1986-1 5221 Plumas between Tobins & Belden near Injun Jim Campground, on N Fork of Feather River 640 Comment
  CHSC55689  Arctostaphylos viscida Ben Cunningham 1991-4-20 Plumas Ca. 20 ft w of Highway 70 at Twain, 18 mi s of Greenville. 975 Comment
  RSA123200  Arctostaphylos viscida subsp. viscida E. Nourse 1934-7-31 3 Plumas 2 miles southwest of Smith Lake. 1372 Comment
  CHSC91926  Arenaria aculeata L. P. Janeway 2005-7-31 8509 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km south-southwest of Adams Peak. 1875 Comment
  UC1125771  Arenaria congesta var. suffrutescens E. Sawyer 1935-6-4 64 Plumas 3 3/4 mi ese Beckwith Butte; Sierraville Quadrangle 1493 Comment
  UC1585889  Arenaria congesta var. suffrutescens Barbara Ertter with Gary Schoolcraft 1989-7-3 8666 Plumas ca 7 airmiles s Susanville (open ridge between the two peaks); Diamond Mt peak 2316 Comment
  CHSC48249  Arenaria kingii var. glabrescens Vernon Oswald 1986-6-6 2085 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  SD8174  Arenaria kingii var. glabrescens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  SEINET10537556  Arenaria kingii var. glabrescens Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4321 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC37030  Arnica chamissonis M. S. Taylor 1982-9-7 5093 Plumas Ramelli Ranch, S side of Feather River, ca. 2 mi W of Beckwourth. 1487 Comment
  UC710419  Arnica chamissonis Thomas H. Kearney Aug 14 1944-Aug 26 1944 166 Plumas near Prattville; Lake Almanor Comment
  CDA11849  Arnica cordifolia G. F. Hrusa, E. Sandoval 1993-5-3 11137 Plumas Snake Lake Vicinity; Snake Lake. Comment
  CHSC53114  Arnica cordifolia var. cordifolia L. P. Janeway 1989-6-30 3451 Plumas Plumas National Forest. Near rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd111) 6.4 mi N of Beckwourth. 1874 Comment
  CHSC64418  Arnica dealbata B. Castro; G. Kuenster 1994-7-5 522 Plumas On the north end of Mooreville Ridge, ca. 0.75 mi SW of Devil's Gap, on W side of USFS Rd 21N16. Near the western edge of the ridge. 1554 Comment
  UC485597  Arnica dealbata H. M. Hall 1912-7-20 9363 Plumas Middle Fork Feather River Sierra Nevada Mountains 1402 Comment
  CAS-BOT-BC82506  Arnica discoidea Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CHSC64065  Arnica discoidea B. Castro; R. A. Schlising 1987-7-21 175 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42. 1539 Comment
  CAS-BOT-BC82511  Arnica discoidea David D. Keck 1932-7-3 1645 Plumas Hillside south of town (forested), Quincy, in the Northern Sierra Nevada 1220 Comment
  RSA59181  Arnica mollis E. K. Balls 1950-9-1 15607 Plumas East of Long Lake at base of cliffs at top of meadow leading down to two smaller lakes 2134 Comment
  CDA14685  Arnica nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3141 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CHSC62414  Arnica nevadensis B. Castro; Robin Ondricek-Fallscheer 1990-6-14 463 Plumas Ca 5.5 air mi S of Bucks Lake and 0.1 mi NE of jcn USFS Rd 23N18 with Rd 23N70, on the slopes above Rd 23N70, in the Arkansas Ravine area. 1554 Comment
  CHSC59670  Artemisia cana subsp. bolanderi L. P. Janeway 1992-9-10 4307 Plumas Plumas National Forest. Low sagebrush flats of this on south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC90416  Artemisia douglasiana John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2217 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC113868  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -A Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Resrvoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SEINET6775393 Image available Artemisia douglasiana W. Harnach, N. Harnach 1989-6-17 150 Plumas Sierra Valley, collected approximately 200 ft. west of the steel bridge on the Marble Lane 1487 Comment
  CAS-BOT-BC90782  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1961-9-23 36838 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC93521  Artemisia tridentata subsp. tridentata Clare B. Hardham 1978-8-11 21784 b Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  JEPS125809  Artemisia tridentata subsp. wyomingensis William Harnach 2015-3-27 1398 Plumas 0.75 miles ENE of the intersection of Highway 49 and Dyson Lane approximately 4 miles South of Vinton, Ca. Comment
  SFV11161  Asarum hartwegii M. L. Vincent 1964-4-8 523 Plumas Sierra Nevada 0.5 miles northeast of Storrie. 550 Comment
  CAS-BOT-BC400769  Asarum lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1619 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen Comment
  CHSC13630  Asarum lemmonii M. S. Taylor 1974-7-3 304 Plumas Fern Glen, ca. 1 mi s of Darlingtonia Bog and Spring, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  UCD137865  Asarum lemmonii Lewis S. Rose 1968-6-11 68109 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1036 Comment
  CDA22423  Asarum lemmonii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .284 Plumas Fern Gulch, E of Butterfly Valley, just S of Keddie. 0 Comment
  SEINET260549  Asarum lemmonii M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  JEPS115789  Asclepias cordifolia Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15851 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  UC57241  Asclepias speciosa H. M. Hall and E. B. Babcock July, 1903 4425 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  CHSC111737  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CAS-BOT-BC97467  Aster John Thomas Howell 1976-7-16 51913 Plumas on flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  CDA10225  Aster ascendens J. S. Buckett 1959-8-8 Plumas Nelson Creek area, ca. 10 miles west of Johnsville. 0 Comment
  SEINET10872011  Aster breweri Mary Susan Taylor 1981-7-22 Taylor 4099 Plumas T24N R11E sw sec 9, Spring Garden quad. In Red Fir Forest; E side of 26N21- Grizzly Peak Rd, just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 6900 ft elev. 2103 Comment
  RSA101422  Aster integrifolius R. Weatherby 1955-8-12 1683 Plumas Meadow in upper Clear Creek, near Spanish Peak 1829 Comment
  SEINET10474434  Aster integrifolius Mary Susan Taylor 1982-8-30 Taylor 5077 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  RSA121800  Aster occidentalis G. T. Nordstrom 1934-7-16 223 Plumas 1.25 miles southwest of Bucks Ranch 1616 Comment
  NY162005  Aster radulinus R. M. Austin 1875-1 184 Plumas Comment
  JEPS91425  Astragalus canadensis var. brevidens Dean Wm. Taylor with Glenn L. Clifton 1990-6-26 11177 Plumas Sierra Valley; near junction Road A24 and Dyson Lane, in SW corner of the junction 1432 Comment
  RSA0006800  Astragalus lentiginosus var. lentiginosus S. W. Austin 1902-06 s.n. Plumas [Baker City] Comment
  POM253255  Astragalus pulsiferae var. suksdorfii A. A. Heller 1938-6-22 15179 Plumas About the airfield west of Chester. 1305 Comment
  CHSC70009  Astragalus purshii var. tinctus L. P. Janeway 1997-5-7 5113 Plumas Along Beckwourth-Genesee Road 3.7 mi southeast of Indian Creek. Southwest-facing low ridge above Red Clover Creek. 1365 Comment
  SBBG3245  Astragalus purshii var. tinctus H. and M. Dearing 1939-5-9 3328 Plumas near Blairsden 1219 Comment
  RSA121721  Astragalus purshii var. tinctus E. Sawyer 1935-5-22 25 Plumas 2.5 miles southeast of Beckwith. 1494 Comment
  CHSC88997  Astragalus webberi L. Hanson 1987-5-26 302 Plumas Plumas National Forest. North side Hwy. 89, near Moccasin. 1188 Comment
  JEPS48890  Astragalus whitneyi var. confusus Esther C. Fritz 1933-7-4 Plumas Spanish Peak Spanish Peak (in wet meadow) 2133 Comment
  CHSC72449  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  RSA59165  Athyrium americanum E. K. Balls 1950-9-1 15611 Plumas East of Long Lake, meadow sloping down to two smaller lakes. 2134 Comment
  CHSC108458  Athyrium filix-femina var. cyclosorum Lowell Ahart 2011-9-17 17656 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC81592  Azolla mexicana Lowell Ahart 2001-10-8 9326 Plumas On still waters of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC106458  Balsamorhiza hookeri John Thomas Howell 1962-6-18 37788 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  CAS-BOT-BC145803  Beckmannia syzigachne Fred Sommers; Greg Sommers 1976-6-24 141 Plumas Sierra Nevada. Sierra Valley Marsh, 500 m northeast of Marble Hot Springs. 1524 Comment
  RSA52909  Beckmannia syzigachne R. Weatherby 1950-7-27 1502 Plumas Indian Creek, 2 miles south of Crescent Mills. 1037 Comment
  UC1100212  Beckmannia syzigachne Malcolm A. Nobs and S. Galen Smith 1949-8-19 1404 Plumas marshy area ca 2 mi s Greenville; Indian Valley Comment
  JEPS107474  Berberis aquifolium var. aquifolium Lowell Ahart, John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek 646 Comment
  CAS-BOT-BC102162  Bidens John Thomas Howell 1959-9-21 34816 Plumas Sand bars of Indian Creek 914 Comment
  CHSC62419  Bidens cernua var. cernua L. P. Janeway 1993-9-22 4600 Plumas Plumas National Forest. On north side of Snake Lake. 1208 Comment
  UCR45296  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  RSA0125973  Boechera Milo S. Baker 1952-5-27 12475 Plumas Feather River Canyon at Camp Storrie. 473 Comment
  CAS-BOT-BC16041  Boechera breweri subsp. shastaensis John Thomas Howell 1951-6-27 27639 Plumas Sierra Nevada. Jamison Creek. 1828 Comment
  CAS-BOT-BC16128  Boechera constancei M. S. Taylor 1981-5-8 3649 Plumas At junctions of roads 26N18, 26N92 and 27N92, ca. 0.5 mile east of Long Valley Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC16130  Boechera constancei M. S. Taylor 1981-6-22 3944 Plumas East side of 25N17, ca. 0.125 mile south of Bean Creek, ca. 0.25 mile north of jct. 25N17 with 25N81 (Old Mt House Rd.). 1524 Comment
  CAS-BOT-BC16139  Boechera constancei John Thomas Howell 1974-9-20 40896 Plumas Sierra Nevada. About 2 miles from Spring Garden on road to Quincy. 1158 Comment
  CAS-BOT-BC16143  Boechera constancei Wayne Dakan; Arno H. Schmitt 1974-5-31 s.n. Plumas Sierra Nevada. On road from Round Valley to Long Valley. Comment
  CHSC35903  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas S side of 27N92, ca. 1.5 air mi se of Canyon Dam. 1524 Comment
  UC118057  Boechera lemmonii Mrs. R. M. Austin Aug 1882 Plumas Lassen Peak Comment
  CHSC46632  Boechera pinetorum Lowell Ahart 1989-7-7 6371 Plumas Along the logging road, on the east side of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC63451  Boechera pinetorum Lowell Ahart 1994-7-22 7494 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC91678  Boechera pinetorum G. Douglas Barbe; T. C. Fuler 1982-7-15 3747 Plumas Sierra Nevada. Road cut, 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  CHSC43442  Boechera platysperma Lowell Ahart 1974-8-3 588 Plumas Near Mount Etna, about 5 miles east of the Bunker Hill Mine, about 14 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC14658  Boechera rectissima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2161 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 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
  CAS-BOT-BC25581  Boechera retrofracta Mrs. H. C. Cantelow 1938-7-4 2292 Plumas Drakesbad. Comment
  CHSC72444  Boechera retrofracta L. P. Janeway 1998-6-22 5650 Plumas About 1.5 mi northwest of Moonlight Peak; above Road 28N08 1.1 mi northeast of Road 29N46. 1981 Comment
  CAS-BOT-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 Comment
  CAS-BOT-BC25596  Boechera retrofracta M. S. Taylor 1981-5-11 3685 A Plumas Along Beckwourth-Genesee Valley Road, ca. 0.5 mile south of Flournoy Bridge and junction of highway 89. 1158 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
  CAS-BOT-BC539305  Boechera suffrutescens G. Ledyard Stebbins 1970-7-24 7072 Plumas S of Round Lake, in Lakes Basin, S of Gray Eagle [exact location unknown] 2072 Comment
  CHSC42024  Boechera suffrutescens Lowell Ahart 1986-7-8 5356 Plumas Near cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  NY144280  Botrychium californicum R. M. Austin 1897-7-2 s.n. Plumas Near Quincy Comment
  SEINET5323260  Botrychium multifidum J. T. Howell 1963-6-3 39397 Plumas Butterfly Valley. 1036 Comment
  UC338407  Botrychium multifidum J. G. Lemmon Plumas Tahoe Valley to Butterfly Valley Comment
  UCD136794  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 378 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  UCD136823  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 377 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  CHSC82535  Botrychium simplex var. compositum Lowell Ahart 2002-7-2 9836 Plumas On the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  CHSC82541  Botrychium simplex var. compositum Lowell Ahart; John Dittes 2002-6-17 9727 Plumas On the west side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1715 Comment
  JEPS122313  Boykinia major Lowell Ahart 2014-8-31 19803 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  JEPS102470  Brasenia schreberi Lowell Ahart 2001-10-16 9387 Plumas Round Valley Reservoir, plants collected near north shore and west of the dam, just below the road, about 2 1/2 miles SW of Greenville. 1365 Comment
  UCD149880  Brasenia schreberi William Anderson 1964-10-3 s.n. Plumas Butterfly Valley. 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-BC127712  Brickellia greenei M. S. Taylor; W Dakan; T. Griggs 1980-9-27 3349 Plumas ca. 1/4 mi s of Bucks Lake -- Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  RSA599864  Brickellia greenei L. C. Wheeler 1959-7-14 7563 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar.. . Comment
  UC1075728  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS 1066 Comment
  SJSU11268  Bromus carinatus S. H. Casey 1980-6-18 Plumas Chandler Road, Quincy Comment
  CAS-BOT-BC149322  Bromus carinatus var. carinatus Clare B. Hardham 1975-8-2 20475 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  UC1131104  Bromus carinatus var. carinatus E. Sawyer 1935-6-14 107 Plumas sw slope of Sugarloaf Sugarloaf 1767 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-BC148717  Bromus carinatus var. marginatus John Thomas Howell 1962-6-17 37687 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  UCD59197  Bromus carinatus var. marginatus L. S. Smith 1916-7-21 716 Plumas Sierras. Sardin Lookout Station. 2286 Comment
  CHSC55811  Bromus ciliatus Vernon H. Oswald 1991-9-11 4869 Plumas Lassen Volcanic Park. West of the resort at Drakesbad. 1767 Comment
  JEPS114815  Bromus ciliatus Lowell Ahart 2008-8-13 15184 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UCD58476  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Plumas Canyon. Butterfly Creek. 975 Comment
  CHSC70209  Bromus inermis subsp. inermis L. P. Janeway 1997-5-7 5109 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. 1225 Comment
  CDA27234  Bromus japonicus G. F. Hrusa 1997-6-26 13880 Plumas Sierra Nevada; Open flats 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-BC162143  Bromus orcuttianus John Thomas Howell 1926-7-20 2088 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC162153  Bromus orcuttianus C. R. Quick 1942-7-31 42 -46 Plumas Near Quincy. Comment
  SBBG115913  Bromus orcuttianus J. T. Howell 1975-7-22 51363 Plumas ca. 2 mi NW of Spring Garden 1173 Comment
  CHSC112087  Bromus suksdorfii L. P. Janeway 2014-7-15 11524 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC161355  Bromus tectorum Walter Knight; Irja Knight 1966-6-18 1378 Plumas Butterfly Valley. 1036 Comment
  JEPS102744 Image available Bromus vulgaris Lowell Ahart 2001-7-19 8949 Plumas On the sides of Hopkins Creek, about 100 yards SW 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
  JEPS103536  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards S of the road to Tamarack Flat, on the S side of a small branch of Fall River, ca 1/8 mile SW of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam 1718 Comment
  CHSC46625  Calamagrostis canadensis V. Oswald; L. Ahart, L. Hanson 1989-7-31 3905 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 air mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Bog. 1670 Comment
  CAS-BOT-BC438481  Calandrinia ciliata John Thomas Howell 1960-7-18 35570 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC438487  Calandrinia ciliata John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-5-7 1840 Plumas West edge of Butterfly Valley proper. 1066 Comment
  JEPS120571  Calliscirpus brachythrix L. P. Janeway 2013-6-2 11122 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckthorn survey monument on the eastern end of Red Mountain. Comment
  RSA39892  Callitriche verna P. A. Munz 1947-5-16 11838 Plumas 8 miles N of Chilcoot. 1524 Comment
  SD46714  Callitriche verna Robert J. Weatherby 1955-8-12 1684 Plumas Meadow on upper Clear Creek, below Spanish Peak. 1830 Comment
  JEPS115161  Calocedrus decurrens Lowell Ahart, John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  RSA755809  Calocedrus decurrens L. Ahart, John Dittes 2009-7-15 16085 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  SEINET4064819  Calocedrus decurrens B. C. Templeton 1967-1 10746 Plumas National Forest near Quincy. Comment
  CAS-BOT-BC85762  Calocedrus decurrens Albert H Barker 1926-7-11 122 Plumas Gold Lake - Blair's Den Road 1676 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
  CDA19250  Calochortus leichtlinii G. D. Barbe, T. C. Fuller 1982-6-17 3811 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  JEPS61668  Calochortus leichtlinii Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2072 Comment
  UC917350  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak 1615 Comment
  CAS-BOT-BC491833  Calochortus leichtlinii John Thomas Howell 1960-7-19 35687 Plumas Drakesbad 1828 Comment
  SEINET5323731  Calochortus leichtlinii M. J. Williams 1966-7-11 s.n. Plumas Near Luther Ridge road, above Johnsville 2286 Comment
  UC1523727  Calochortus leichtlinii Gary Schoolcraft 1982-6-9 691 B Plumas near Beckwourth; Sugar Loaf Mtn. 1706 Comment
  CHSC37195  Calochortus nudus L. Ahart 1982-7-30 3735 Plumas Along edgeof dirt rd, ca. 2 mi n of Ohio Ravine, ca. 3 mi n of Hardquartz Mine, ca. 4 mi s of Bucks Lake. 518 Comment
  CDA15382  Calochortus tolmiei G. F. Hrusa 1997-5-3 13837 Plumas Sierra Nevada; in 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CAS-BOT-BC409591  Caltha Anna Head 1920-7-23 s.n. Plumas Springs in rock, near nuarsley trail to Mt. Elwell. Feather River region 1920 Comment
  JEPS60529  Caltha biflora W. L. Jepson 1910-6-6 4080 Plumas Hot Springs Valley, Lassen Peak. 1859 Comment
  CAS-BOT-BC175767  Caltha leptosepala John Thomas Howell 1951-6-28 27701 Plumas Eureka Peak 1981 Comment
  RSA303533  Calycanthus occidentalis J. R. Shevock 1972-5-19 1788 Plumas Feather River Cyn. 610 Comment
  CDA11941  Calyptridium monospermum G. F. Hrusa, J. Dinsdale 1989-6-27 7198 Plumas Sierra Nevada; Away from margin of Bucks Lake at NW end. Comment
  CHSC46721  Calyptridium monospermum Lowell Ahart 1968-6-29 22 Plumas Growing on white gravel along the edges of Slate Creek, take road in La Porte that leads to Slate Creek, go on east and then go north past Grass Flat, take road to the west and go down to Slate Creek. 1066 Comment
  UCD100395  Calyptridium umbellatum F. H. B. Date Unknown 76 Plumas Feather River Canyon. 762 Comment
  SD7710  Calystegia malacophylla Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  UC367228  Calystegia malacophylla subsp. malacophylla unknown Aug 1874 Plumas Indian Valley Indian Valley (on hills) Comment
  CAS-BOT-BC221246  Calystegia malacophylla subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1066 Comment
  CDA9319  Calystegia occidentalis subsp. fulcrata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .273 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  SEINET10902982  Calystegia polymorpha Mary Susan Taylor 1982-8-12 Taylor 4981 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  CDA35623  Camassia quamash J. R. Keck Jr. 1978-6-3 PDR# 330065 Plumas Snake Lake near Quincy. 0 Comment
  CHSC2473  Camassia quamash subsp. quamash R. Carter 1965-7-6 266 Plumas Found 0.25 mi. S of intersection of Oroville-Quincy Rd. and U. S. F. S. road 24N33 on Oroville-Quincy Rd. 1767 Comment
  UC1523719  Campanula prenanthoides Gary Schoolcraft 1982-8-2 841 Plumas w Crescent Mills 1371 Comment
  CHSC92132  Capsella bursa-pastoris Lowell Ahart; John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  UC117813  Cardamine nuttallii var. covilleana Mrs. Austin 1880-1 Plumas Big Meadows Comment
  JEPS48660  Cardamine oligosperma Esther C. Fritz July, 1933 Plumas along Schneider Creek 1188 Comment
  CAS-BOT-BC38088  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 1036 Comment
  CHSC55482  Cardamine pachystigma Ben Cunningham 1991-4-20 Plumas Ca. 12 mi e of Greenville and 4 ft n of South Keddie Ridge Road. 1219 Comment
  CHSC71139  Cardamine pachystigma L. P. Janeway 1998-5-22 5596 Plumas Red Hill; along the road to the lookout (26N22F) 2.3 mi from Deadwood Saddle. Slope above the road (and on the road cutbank). 1722 Comment
  CAS-BOT-BC18363  Carex John Thomas Howell; Gordon H. True 1969-6-23 45829 Plumas Sierra Nevada. On Middle Fork of Feather River at Nelson Point. 1249 Comment
  CAS-BOT-BC18366  Carex Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1674 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  SD130902  Carex L. S. Rose 1967-6-10 67151 Plumas Sierra Nevada Mountains; Butterfly Valley. Comment
  SEINET13320071  Carex L. S. Rose 1967-1 67151 Plumas Butterfly Valley 1097 Comment
  CHSC113838  Carex abrupta Lowell Ahart 2014-8-31 19832 Plumas On the east side of Black Rock Creek. about 300 yards south 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
  CHSC87992  Carex abrupta Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11172 A Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS106134  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11172 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
  CAS-BOT-BC17838  Carex amplifolia Alice Eastwood 1927-6-12 14493 Plumas Forest Lodge near Greenville. Comment
  CAS-BOT-BC65495  Carex amplifolia L. P. Janeway 1995-8-30 4903 Plumas Along West Branch Humbug Creek; about 2.3 mi S of Smith Peak. 1630 Comment
  SEINET10586477  Carex amplifolia Mary Susan Taylor 1982-8-9 Taylor 4947 Plumas T26N R8E ne1/4 sw1/4 sec. 3. Almanor NE quad. Around spring at jct of rd 26N17Y and Pliocene Creek, 1 mi NW of Rattlesnake Hill, 2 mi s of Canyon Dam. Mixed Evergreen Forest. With Montia. 1646 Comment
  CAS-BOT-BC17938  Carex angustata John Thomas Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CHSC92303  Carex angustata Lowell Ahart; Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  UC1133353  Carex angustata E. Sawyer 1935-6-27 190 Plumas 1.6 mi ene Grizzly Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC17929  Carex angustata Mrs. H. C. Cantelow 1938-7-4 2275 Plumas Meadow at Drakesbad. Comment
  CHSC43522  Carex athrostachya Lowell Ahart 1977-8-8 1542 Plumas Near the pond in Onion Valley, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  SJSU7489  Carex athrostachya Lewis S. Rose 1968-6-10 68094 Plumas Quincy 1036 Comment
  UC1100432  Carex athrostachya Malcolm A. Nobs, S. Galen Smith 1949-8-18 1381 Plumas just S of Chester (Lake Almanor, N end, Last Chance Marshes) Comment
  CHSC55554  Carex aurea L. P. Janeway 1990-7-11 3789 Plumas Plumas National Forest. About 1/4 mi east of Fremont Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  CHSC63187  Carex aurea Lowell Ahart 1994-6-17 7347 Plumas In a small wet meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  JEPS106374  Carex aurea Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 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
  JEPS114810  Carex aurea Lowell Ahart 2008-8-13 15176 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC53569  Carex brainerdii L. P. Janeway 1987-5-28 2103 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  CHSC53655  Carex brainerdii L. P. Janeway 1987-5-28 2102 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  RSA754531  Carex brainerdii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15861 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET3909297  Carex brainerdii Lewis S. Rose 1967-6-12 67109 Plumas Butterfly Valley, ca. 3 mi. W. of Keddie.; 0 1219 Comment
  CAS-BOT-BC19631  Carex brainerdii Hans Leschke 1957-7-13 758 Plumas Lassen Volcanic National Park. Below Sifford Lakes at head of Drakesbad Valley. 2057 Comment
  SEINET7552665 Image available Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS102675  Carex buxbaumii Lowell Ahart 2001-7-11 8888 Plumas Meadow, on the east side of the dirt road, about 1/4 miles NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  CHSC108047  Carex canescens Tim Hanson 2011-10-3 Plumas Northern High Sierra Nevada. Plumas National Forest; above an un-named western arm of Black Rock Creek 0.8 stream miles from where it enters Little Grass Valley Reservoir (and joins Black Rock Creek). In south-facing wet meadow on the north side of an old roadbed (closed); also growing in dense masses along the upslope bank of the road. 1645 Comment
  CHSC58856  Carex canescens Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5039 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC43568  Carex diandra Lowell Ahart 1980-10-6 2671 Plumas On the south shore of the small lake, about 1/2 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1615 Comment
  SBBG30567  Carex echinata D. Myrick 1968-6-18 1939 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CHSC42139  Carex echinata subsp. echinata Lowell Ahart 1979-8-16 2015 Plumas In a small bog, about 100 yards east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1554 Comment
  OBI6392  Carex echinata subsp. echinata Lewis S. Rose 1967-6-12 67112 Plumas Butterfly Valley, ca 3 mi W of keddie 1219 Comment
  CHSC102038  Carex feta Lowell Ahart; John Dittes 2009-7-27 16186 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  RSA60234  Carex feta E. K. Balls 1950-8-31 15530 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  JEPS106380  Carex filifolia var. erostrata Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11060 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  UC1133356  Carex filifolia var. erostrata E. Sawyer 1935-6-22 21 Plumas 3/4 mi sw Beckwith City; Sierraville Quadrangle Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC65521  Carex fracta L. P. Janeway 1995-8-30 4902 Plumas Along West Branch Humbug Creek 2.3 mi south of Smith Peak. 1630 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
  JEPS95360  Carex fracta Lowell Ahart 1994-6-17 7349 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CAS-BOT-BC32026  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Mt. Ingalls quad, NE side of Grizzly Ridge between Joseph Creek and Cascade Creek, 1897 Comment
  SEINET10652727  Carex geyeri Lawrence P. Janeway 1990-8-16 Janeway 3831 Plumas Babcock Peak Quad, T25N, R12E, N 1/4 of SW 1/4 of Sec 23. Ca. 0.2 mile north of Meadow Creek and ca. half-way between Red Clover Creek and Mount Ingalls. White Fir Forest with Jeffrey Pine, Red Fir, Incense Cedar: gentle north-facing slope; rocky volcanic soil; in small openings and partial shade; in open with C. Rossii, C. brainerdii; in shade with Symphoricarpus acutua; often with Ceanothus velutinus, C. prostratus, Arctostaphylos patula. 2012 Comment
  CAS-BOT-BC22284  Carex hassei Mrs. H. C. Cantelow 1938-7-4 2270 Plumas North side of Hot Spring Creek. Drakesbad. Comment
  CDA14007  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1997-6-26 13924 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC105842  Carex heteroneura var. heteroneura Lowell Ahart 2010-7-27 16932 Plumas Damp meadow, about 150 yards north of the South Fork of the Feather River, north side of Forest Road 22N68, about 1/4 mile southwest of the Feather Fork Mine, about 1- 1/2 miles (air) northeast of Little Grass Valley Reservoir. 1634 Comment
  CHSC76149  Carex heteroneura var. heteroneura G. F. Hrusa; T. D. Wilfred 1997-6-26 13924 Plumas Northern California, Sierra Nevada. Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. 2125 Comment
  CHSC77168  Carex heteroneura var. heteroneura G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3077 Plumas 10.6 miles NE of La Porte on La Porte-Quincy Road; 8.3 miles NE of junction, Little Grass Valley Reservoir Road, headquarters of South Fork Feather River. 1889 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
  CAS-BOT-BC28079  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Mt. Ingalls quad, ca 100 ft W of Paradise Cr and ca 1/2 mi S of Little Grizzly Cr. 1859 Comment
  CHSC112391  Carex jonesii L. P. Janeway 2014-7-16 11549 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km north-east of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC61067  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart 1993-8-3 5758 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. In the SE corner of the meadow. 1950 Comment
  RSA59664  Carex lasiocarpa E. K. Balls 1950-9-9 15734 Plumas West of Lakes Center Public Campgound. 2043 Comment
  CAS-BOT-BC31151  Carex lemmonii Hans Leschke; George Wilson Gillett s.n. Plumas Near Devil's Kitchen. Comment
  RSA517879  Carex lemmonii L. S. Rose 1967-6-10 67151 Plumas Butterfly Valley. 1098 Comment
  SEINET13709890  Carex lenticularis Lowell William Ahart, Lowell William Ahart 2003-1 10431 Plumas 5 Mi. NW of La Porte (39 Deg 44'34.8"N, 121 Deg 02'20.8"W) 5679 Ft. 1731 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
  CHSC58201  Carex limosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5025 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly Camps. 1597 Comment
  SEINET10706966  Carex limosa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3678 Plumas T29N, R5E, se/nw/S6, Red Fir Forest. Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC31636  Carex luzulina var. ablata John Thomas Howell 1960-7-23 35942 Plumas Drakesbad, Wet meadow near Soda Spring. 1828 Comment
  JEPS114187  Carex luzulina var. ablata L. P. Janeway 2007-6-3 9029 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountains, near Road 23N69 1.1 km northwest of Road 18. Comment
  CAS-BOT-BC31640  Carex luzulina var. ablata L. P. Janeway 1990-6-27 3734 Plumas Mt. Ingalls quad. Headwaters of Joseph Creek on NE side of Grizzly Ridge. 2103 Comment
  SEINET8989737 Image available Carex mariposana L. Janeway, Castro, B 2006-1 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km south- west of confluence of Panther Creek and North Arm Rice Creek 1.2 km northeast of Blue Lake.ading Peak .... ' quad. Comment
  CHSC114382  Carex multicaulis G. Douglas Barbe; T. C. Fuller 1982-6-15 3710 Plumas On slope uphill, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Road 26N22F); 3.3 miles east of Red Hill Summit. 1554 Comment
  CHSC115916  Carex nebrascensis Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-17 402 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423906 N, 657187E. 2030 Comment
  CHSC116389  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-12 70 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  SEINET11635248  Carex nebrascensis L. P. Janeway 1989-1 3408 Plumas Plumas NF, near head of Mapes Cyn, along Beckwourth-Genesee Rd (rd 111) 4.9 mi N of Beckwourth 1768 Comment
  CAS-BOT-BC119684  Carex nervina John Thomas Howell 1951-6-27 27614 Plumas Jamison Creek 1950 Comment
  CAS-BOT-BC119520  Carex nudata Alice Eastwood 1918-5-25 6977 Plumas Portola. Comment
  CAS-BOT-BC119185  Carex pachystachya John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54178 Plumas Long Valley at road to Maxwell Mine. 1633 Comment
  CHSC99400  Carex pachystachya Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10541 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  SEINET8989729 Image available Carex pachystachya L. Ahart, Guardino, J 2005-1 12256 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. Yellow Pine Forest. Comment
  CHSC55559  Carex pellita L. P. Janeway 1990-7-11 3787 Plumas Plumas National Forest. About 1/4 mi east of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Grizzly Creek. 1775 Comment
  CHSC53544  Carex rossii L. P. Janeway 1984-7-13 901 Plumas Southwest of Bucks Lake; near Grizzly Cr campground. 1584 Comment
  CHSC118786  Carex scabriuscula Chelsea Morgan; Wendy L. Boes 2015-6-11 2015 -011 Plumas Plumas National Forest. On ridge north of Silva Ravine, west of Forest Service road 26N25 (UTM 650958 E, 4438088 N, NAD83 Zone 10N). 1400 Comment
  CAS-BOT-BC117522  Carex sheldonii L. P. Janeway 1992-6-4 4216 Plumas Wet area adjacent to Bonta Creek in wooded pasture between Mohawk Ranger Station barracks 1318 Comment
  CHSC60503  Carex sheldonii L. P. Janeway 1992-6-4 4218 Plumas Plumas National Forest. Small pond at far edge of gravel bar along northeast side of Middle Fork Feather River at mouth of Bonta Creek; below the Mohawk Ranger Station. 1316 Comment
  JEPS113731  Carex sheldonii Lowell Ahart, John Dittes 2007-6-17 14166 Plumas On damp soil, along bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC117735  Carex simulata Hans Leschke 1960-8-10 1786 b Plumas Badger Flat. 1912 Comment
  CHSC77174  Carex simulata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 a Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; at the shore of N arm of the lake. 1706 Comment
  UCD140823  Carex simulata Dean W. Taylor 1976-7-9 6183 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  CAS-BOT-BC117744  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2273 Plumas Meadow at Drakesbad. Near edge of streamlet. Comment
  CHSC34540  Carex specifica J. D. Jokerst; R. A. Schlising 1981-8-1 1453 B Plumas Just north of Butte County line, seep at headwaters of Upper Scotts John Cr. S of saddle between Humboldt Peak and Eagle Rock. Comment
  CHSC52354  Carex specifica L. P. Janeway 1990-7-18 3805 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  CHSC76355  Carex specifica L. P. Janeway 1999-7-17 6510 Plumas Gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CAS-BOT-BC117369  Carex stipata var. stipata John Thomas Howell 1962-6-17 37654 Plumas Butterfly Valley. 1036 Comment
  JEPS25919  Carex stipata var. stipata W. L. Jepson 1910-6-16 4148 Plumas Quincy 1036 Comment
  CHSC63484  Carex straminiformis Lowell Ahart 1994-7-20 7480 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  JEPS113814  Carex straminiformis Lowell Ahart, John Dittes 2007-8-9 14442 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-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
  CAS-BOT-BC114997  Carex subfusca John Thomas Howell 1951-6-28 27651 Plumas Johnsville 1584 Comment
  CAS-BOT-BC115987  Carex subfusca Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CHSC105833  Carex subfusca Lowell Ahart 2010-7-27 16924 Plumas On the south side of the paved road, about 1/2 mile south of Goat Mountain, about 2 miles (air) northeast of La Porte. 1656 Comment
  CHSC109869  Carex subfusca L. P. Janeway 2012-7-7 10950 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1721 Comment
  CHSC55446  Carex subfusca L. P. Janeway 1990-7-11 3786 Plumas Plumas National Forest. Halfway between Paradise Creek and Emigrant Creek, and about 2/3 mi south of Little Grizzly Creek. 1874 Comment
  CHSC61684  Carex subfusca L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4490 Plumas Plumas National Forest. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  JEPS106385  Carex subfusca Lowell Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  JEPS107615  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA232877  Carex subfusca L. S. Rose 1968-6-10 68085 Plumas Quincy 1037 Comment
  RSA699969  Carex subfusca L. Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  SEINET7577198 Image available Carex subfusca Unknown 2004-7-24 8186 Plumas Humboldt Peak 7.5' quad, High Cascade Range, along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. 1740 Comment
  SEINET7577206 Image available Carex subfusca Unknown 2003-9-6 7980 Plumas Red Cinder 7.5' quad. High Cascade Range, near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  UCD141162  Carex subfusca Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  CAS-BOT-BC115981  Carex subfusca L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4490 Plumas Along Dolly creek at upper portion of the Walker Mine tailings. Mt. Ingalls quad. 1749 Comment
  CAS-BOT-BC115992  Carex subfusca Clare B. Hardham 1970-8-8 17701 Plumas Thompson Peak. 2286 Comment
  SEINET10946214  Carex subfusca Lawrence P. Janeway 1989-6-22 Janeway 3368 Plumas Crocker Mtn, Quad, T24N, R14E, corner of Secs. 28, 29, 32, 33. Slopes between Crocker Mtn and Crocker Meadow, near rd 24N49Y. 1804 Comment
  SEINET7577155 Image available Carex subfusca John Thomas Howell, T. C. Fuller; G. D. Barbe 1981-6-24 54237 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy. 1646 Comment
  SEINET7577212 Image available Carex subfusca John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54344 Plumas Sierra Nevada, 2.8 miles north-northeast of Englemine on Diamond Mt Road. 1341 Comment
  SEINET10751196  Carex teneriformis Thomas 1981-6-25 Thomas 54313 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville. 1219 Comment
  CAS-BOT-BC115410  Carex utriculata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54182 Plumas Long Valley at road to Maxwell Mine. 1633 Comment
  CHSC37287  Carex utriculata M. S. Taylor 1982-7-12 4819 Plumas Mc Rae Meadows, ca. 6 mi w of Mohawk. 1889 Comment
  CHSC77073  Carex utriculata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 b Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; marshy seep area at the shore of the N arm of the lake. 1706 Comment
  CHSC78731  Carex vesicaria L. P. Janeway 2000-7-7 6898 Plumas Northern High Sierra Nevada. Marsh on west side of Smith Lake - enlarged by beaver activity. 1247 Comment
  SEINET11634920  Carex vesicaria Unknown 1985-1 5124 Plumas Little Grass Valley Res., where South Fork of Feather Riv. flows into lake, ca 4.5 mi NE of La Porte 1585 Comment
  CHSC87129  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  CAS-BOT-BC114940  Carex whitneyi Mrs. H. C. Cantelow 1938-7-4 2278 Plumas Meadow at Drakesbad. Comment
  CAS-BOT-BC65494  Carex whitneyi L. P. Janeway 1995-8-24 4901 Plumas Top of ridge, divide between Willow Creek and Freeman Creek; about 1.3 mi WSW of Smith Peak. 2042 Comment
  UCD123070  Castilleja A. A. Heller; P. B. Kennedy 1907-7-15 8840 Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  CAS-BOT-BC248952  Castilleja Francis W. Pennell 1940-6-10 25800 Plumas Route 89, West of Almanor 1493 Comment
  CHSC102068  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes 2009-7-15 16095 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  JEPS102614  Castilleja applegatei subsp. pinetorum Lowell Ahart 2001-7-17 8923 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  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
  RSA101393  Castilleja applegatei subsp. pinetorum R. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  RSA715706  Castilleja applegatei subsp. pinetorum L. Ahart, Josephine Guardino 2005-8-10 12301 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  UC733210  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1929-6-21 5777 Plumas Kelly's Camp Mt. Lassen Region, Warner Valley (Warner Valley) Comment
  JEPS60471  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. Constance 1969-7-2 6710 Plumas about 7.5 mi se Quincy (on Highway 70) Comment
  CHSC37292  Castilleja arachnoidea M. S. Taylor 1982-8-18 5013 Plumas Dry open slopes on Mt Ingalls summit, ca. 9 air mi ne of Sloat. 2551 Comment
  CHSC98339  Castilleja arachnoidea L. P. Janeway 2007-6-3 9007 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  RSA739744  Castilleja arachnoidea L. P. Janeway 2007-8-13 9179 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
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Jan 22 2010
  JEPS4557  Castilleja campestris subsp. campestris R. H. Platt 1891-1 Plumas near Prattville; The Sierras Comment
  UC886450  Castilleja campestris subsp. campestris Mrs. A. L. Coombs 1906-1 Plumas Prattville Comment
  CAS-BOT-BC254059  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  CHSC48977  Castilleja miniata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humbolt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  SEINET10832395  Castilleja miniata Mary Susan Taylor 1981-8-20 Taylor 4231 Plumas California: T27N R8E sw1/4 of sw1/4 sec 36. Almanor NE quad. S side of Fox Road (27N92) at jct with creek, ca. 2 mi SE of Canyon Dam. Plumas County. 5000 ft. 1524 Comment
  JEPS102354  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 Comment
  JEPS88489  Castilleja miniata subsp. miniata Vernon H. Oswald and Lowell Ahart 1996-8-1 8141 Plumas ca 1.5 mi nw Hauns Mdw. (Forest Rd 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); Dyer Mtn. 1706 Comment
  CDA18572  Castilleja tenuis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3327 Plumas Sierra Nevada; 4.8 miles northwest of Antelope Lake; 0.7 mile east of road to Taylor Lake on the road to Antelope Lake. 1661 Comment
  CDA21417  Castilleja tenuis G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16316 Plumas Sierra Nevada; Willow Creek Rd. 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC43561  Castilleja tenuis Lowell Ahart 1970-6-25 56 Plumas About 1/2 mile east of the Feather Fork Mine, about 6 miles north of La Porte. 1828 Comment
  JEPS29553  Castilleja tenuis John Thomas Howell 1960-7-18 35517 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  JEPS80627  Castilleja tenuis M. S. Taylor 1981-6-10 3881 A Plumas ca 11 air mi nw Beckwourth (ca 0.75 mi n of Genesee-Beckwourth Rd, Overland Inc. Ranches, in Red Clover Valley); Crocker Mt. Quad., Red Clover Valley 1676 Comment
  SEINET14173317  Castilleja tenuis W. Harnach, N. Harnach 1990-6-13 374 Plumas Sierra Valley, [along the Middle Fork Feather River,] W of Beckwourth, Ramelli Ranch (USFS). 1487 Comment
  UC1063414  Castilleja tenuis E. Sawyer 1935-7-1 262 Plumas 2.5 mi wnw Crow; Plumas National Forest, Sierraville Quad. 1676 Comment
  SEINET5343757  Caulanthus major var. nevadensis W. Harnach, N. Harnach 2005-7-7 1218 Plumas Black Mountain, 11 air miles north of Dixie Mtn lookout, overlooking Honey Lake 2134 Comment
  CHSC96744  Ceanothus arcuatus L. P. Janeway 2007-5-20 8994 Plumas Northern High Sierra Nevada. Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  CAS-BOT-BC48617  Ceanothus cordulatus John Thomas Howell 1924-8-9 603 Plumas Two miles east of Chester on Road to Westwood 1310 Comment
  UCD111398  Ceanothus cordulatus B. F. Smith 1967-8-16 61 Plumas 2 miles northeast of La Porte. 1615 Comment
  UCD150831  Ceanothus cuneatus J. Bisbee 2013-5-30 585 Plumas Plumas County, Summit of Red Hill. Near communications towers. 1890 Comment
  RSA60217  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-6 15691 Plumas 0.6 miles W of Spring Garden, betw Quincy and Portola, Hwy 24. 1220 Comment
  CAS-BOT-BC52062  Ceanothus prostratus Rimo Bacigalupi 1927-7-7 1649 Plumas between Gray Eagle Valley and Long Lake Comment
  HSC18318  Ceanothus prostratus R. S. White 1965-5-15 76 Plumas 40 mi W of Chester on Hwy. 36 Comment
  RSA641886  Ceanothus prostratus Michael A. Vincent 1999-6-8 8558 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  SD7226  Ceanothus velutinus Daniel Cleveland 1884-6-6 Plumas Big Meadows Comment
  UC1071483  Ceanothus velutinus E. Nourse 1934-9-4 26 Plumas 2 mi ssw Quincy; Plumas National Forest, Downieville Quadrangle 1676 Comment
  UC569887  Ceanothus velutinus var. velutinus E. Sawyer 1935-7-8 273 Plumas 4 1/4 mi n Hawks; Sierraville Quad., n of Hawks 1798 Comment
  CAS-BOT-BC277043  Centaurea maculosa R. L. Swanson 1972-8-18 s.n. Plumas Quincy-La Porte County Road, approximately 1/2 mile north of the Middle Fork of the Feather River. [N. of Nelson Plant] Comment
  CAS-BOT-BC277217  Centaurea solstitialis John Thomas Howell 1959-9-24 34906 Plumas Crescent Mills 1066 Comment
  JEPS102414  Centaurea stoebe subsp. micranthos Lowell Ahart and Vernon H. Oswald 2001-7-11 8887 Plumas S side of Hwy 89, W of spillway on the dam at Lake Almanor 1374 Comment
  CAS-BOT-BC384934  Cerastium arvense John Thomas Howell 1962-6-16 37632 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 640 Comment
  CHSC44145  Ceratophyllum demersum V. Oswald; L. Ahart 1988-8-4 3674 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of the lake. 1676 Comment
  CHSC34284  Cercocarpus ledifolius var. ledifolius M. S. Taylor 1981-7-6 3979 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcott. 1920 Comment
  UC1127893  Cercocarpus ledifolius var. ledifolius C. G. Albertus 1935-8-22 270 Plumas 2 mi wnw of Chases (Plumas National Forest); Plumas National Forest 1645 Comment
  CAS-BOT-BC276736  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-15 14615 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC97539  Chamaesaracha nana Lowell Ahart; John Dittes 2007-6-16 14135 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee 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
  POM98578  Chamaesaracha nana F. W. Peirson 1926-6-21 6796 Plumas South shore Lake almanor, Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  JEPS94288  Chamaesyce maculata Lowell Ahart 1997-9-11 7900 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork Feather River, Caribou Road 792 Comment
  CHSC113605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CAS-BOT-BC165972  Chamerion angustifolium Janet Jones 1980-7-14 202 Plumas By roadsides and trails around Layman near Blairsden, Plumas National Forest 1280 Comment
  CHSC61658  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1993-8-25 5863 Plumas North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On a cliff on the E side of the creek. 1987 Comment
  CAS-BOT-BC70205  Cheilanthes gracillima John Thomas Howell; Gordon H. True 1967-7-11 43350 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC113977  Cheilanthes gracillima Lowell Ahart 2014-11-16 19906 Plumas About 100 yards west of Little Grass Valley Reservoir, about 60 yards south of the small stream, about 250 yards southwest of the Black Rock, about 4-1/2 miles (air) northwest of La Porte. 1584 Comment
  CAS-BOT-BC70210  Cheilanthes gracillima Lowell Ahart 1980-9-17 2650 Plumas 1/2 mile west of Fowler Pk. 1800 Comment
  CAS-BOT-BC70261  Cheilanthes intertexta L. Q. Stephenson 1997-7-1 s.n. Plumas Martins Canyon Comment
  CHSC102971  Chenopodium album Lowell Ahart; John Dittes 2009-9-7 16396 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC95027  Chenopodium album Lowell Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast or Strawberry Valley. 1281 Comment
  CDA3031  Chenopodium berlandieri var. zschackei J. T. Howell 1955-7-19 30767 Plumas Beckworth. Comment
  RSA718514  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  JEPS113925  Chenopodium desiccatum W. and N. Harnach 2000-8-2 972 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  CDA7726  Chenopodium pumilio L. Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC70249  Chimaphila menziesii B. CAStro; R. Zebell, R. Fallscheer 1989-8-2 350 Plumas Ca 3.5 air mi S of Bucks Lake, 50-100 ft W of USFS Rd 23N58. 1737 Comment
  UC1120945  Chimaphila menziesii C. W. Hanks 1934-9-6 71 Plumas e. side Dixie Mt.; Plumas Nat'l Forest, Sierraville Quad. Comment
  CAS-BOT-BC451422  Chimaphila menziesii Alice Eastwood 1927-6-21 14485 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  CHSC63458  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UCD117410  Chimaphila umbellata James I. Mallory 1969-8-21 356 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-BC452239  Chimaphila umbellata Alice Eastwood 1927-6-15 14599 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  POM190470  Chrysanthemum parthenium D. D. Keck 1932-7-3 1624 Plumas Quincy, north of Spanish Creek near road; Northern Sierra Nevada 1067 Comment
  UC1135235  Chrysolepis sempervirens E. Nourse 1935-9-5 33 Plumas Pilot Peak: 2.5 mi N and .75 mi W Pilot Peak 1920 Comment
  UC1135255  Chrysolepis sempervirens E. Sawyer 1935-5-28 50 Plumas 3.75 mi n Hawks; Plumas National Forest, Sierraville Quad. 1767 Comment
  SEINET7450650 Image available Chrysopsis villosa var. minor W. Harnach, N. Harnach 2000-9-3 1002 Plumas Approx 5 miles SW of Portola on Co. Rd. A-15, Gold Mountain Development along the river trail. 1463 Comment
  CAS-BOT-BC100817  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1961-9-25 36959 Plumas Portola 1478 Comment
  CAS-BOT-BC100823  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1977-8-11 52671 A Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1706 Comment
  CAS-BOT-BC100830  Chrysothamnus viscidiflorus subsp. viscidiflorus Thomas H. Kearney 1944-8-14 148 Plumas Near Prattville, Lake Almanor 1310 Comment
  CDA10793  Chrysothamnus viscidiflorus subsp. viscidiflorus R. V. Zahm 1964-8-27 Plumas Along railroad tracks, Almanor Railroad between Chester & Westwood. 0 Comment
  CHSC97267  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2007-8-9 14431 Plumas Along the west side of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  RSA31217  Chrysothamnus viscidiflorus subsp. viscidiflorus Joseph A. Ewan 1934-7-8 8590 Plumas Railroad embankment, Camp Coldwell, Dentins Mohawk Valley 1616 Comment
  SEINET10453139  Circaea alpina subsp. pacifica Mary Susan Taylor 1982-6-23 Taylor 4714 Plumas T23N R10E sw/ne sec 18. Blue Nose Mt quad. Along tributary to Middle Cr, s side of 23N10-Peoria Cr Rd, 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  CAS-BOT-BC289621  Cirsium andersonii John Thomas Howell 1926-7-24 2104 Plumas Near Pratville 1463 Comment
  CAS-BOT-BC289627  Cirsium andersonii Mrs. Jos Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC284417  Cirsium arvense John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2188 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  CHSC81346  Cirsium arvense Lowell Ahart 2001-9-18 9272 Plumas About 100 feet north of the pond, Butterfly Valley, about 5 miles (air) northwest of Quicy. 1104 Comment
  CDA1126  Cirsium canescens T. C. Fuller 1968-7-1 17318 Plumas About 6 mi. s. of Vinton; 1 mi. n. of county line, 1/8 mi. w. of Hwy 49 to Loyalton. Comment
  CAS-BOT-BC278026  Cirsium cymosum John Thomas Howell 1955-7-19 30812 Plumas Portola 1478 Comment
  CDA19254  Cirsium cymosum G. D. Barbe, T. C. Fuller 1982-6-17 3807 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC91725  Cirsium douglasii var. breweri Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET7143982  Cirsium occidentale var. candidissimum Robert L. Johnson, Mikel R. Stevens 2015-7-11 3955 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls.; 0 Comment
  CDA1516  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 -A Plumas Sierra Valley; Loyalton-Vinton Rd., just N/ Co. line 7.3 mi S of Vinton. Comment
  JEPS59201  Cirsium scariosum W. L. Jepson 1910-6-14 4128 Plumas Prattville 1310 Comment
  CAS-BOT-BC286358  Cirsium scariosum Elizabeth McClintock; Margaret Williams; Wayne Roderick 1968-5-19 s.n. Plumas East of Frenchman Reservoir Comment
  JEPS59241  Cirsium vulgare W. L. Jepson 1939-8-8 19369 Plumas Quincy 1051 Comment
  SEINET3146355  Cirsium vulgare E. K. Balls 1950-9-15 15845 Plumas 6 mi. NW of Chester, N Fork Feather Rv. 1402 Comment
  CAS-BOT-BC439034  Cistanthe monosperma John Thomas Howell 1951-6-29 27765 Plumas Feather River Canyon 548 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
  CAS-BOT-BC228902  Cistanthe umbellata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC228916  Cistanthe umbellata Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 10 miles south of Quincy on road to La Porte 1981 Comment
  CAS-BOT-BC162584  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54213 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1584 Comment
  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
  LA40266  Clarkia mildrediae subsp. mildrediae June 1958 248- 57 1 Plumas Feather River and Shasta Lake Comment
  POM181047  Clarkia purpurea subsp. quadrivulnera A. A. Heller, P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC163850  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  UC54452  Clarkia rhomboidea H. M. Hall and E. B. Babcock 1901-7-1 4422 Plumas North Fork Feather River Sierra Nevada Mountains 1341 Comment
  CAS-BOT-BC165393  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC101773  Clarkia stellata Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15865 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CAS-BOT-BC451741  Claytonia lanceolata Anna Head 1921-6-25 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC451747  Claytonia lanceolata M. S. Taylor 1982-5-17 4458 Plumas S side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 1828 Comment
  CHSC65112  Claytonia lanceolata Vernon H. Oswald; Lowell Ahart 1995-7-24 7108 Plumas Caribous Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. To Beauty lake. Common on forest floor all along the trail. 1950 Comment
  UC170920  Claytonia lanceolata H. M. Hall 1912-6-29 9292 Plumas Spanish Peak; Sierra Nevada Mountains 2133 Comment
  CAS-BOT-BC443641  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1967-5-9 42216 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  RSA101474  Claytonia rubra R. Weatherby 1955-7-2 1591 Plumas Wilcox Valley. 1768 Comment
  SEINET10572732  Claytonia rubra Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3889 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
  JEPS106310  Claytonia rubra subsp. rubra Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11058 Plumas About 50 yards north of the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  CAS-BOT-BC443803  Claytonia rubra subsp. rubra Thomas H. Harris 1973-6-3 s.n. Plumas Near Lake Almanor 1371 Comment
  JEPS95533  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  UCR161001  Collinsia parviflora G. D. Barbe, T. C. Fuller 1982-7-16 3763 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  JEPS3802  Collinsia parviflora W. L. Jepson 1927-6-23 12304 A Plumas near Camp Kelly (Warner Creek); Warner Creek 1584 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
  UCD123684  Collinsia torreyi W. R. Powell 1968-7-2 1590 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  UCSB18475  Collinsia torreyi Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CHSC43483  Collinsia torreyi var. wrightii Lowell Ahart 1975-7-20 918 Plumas On the mountain side west of Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC33929  Collomia grandiflora M. S. Taylor 1981-7-6 3977 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcoot. 1920 Comment
  CHSC64121  Collomia grandiflora B. Castro; R. A. Schlising 1987-7-21 171 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  CHSC84436  Collomia grandiflora Lowell Ahart 2003-8-18 10519 Plumas On both sides of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  RSA74108  Collomia heterophylla Milo S. Baker 1952-5-27 12468 a Plumas Hiwy 24, Feather River Canyon, far below Belden, perhaps 20 mi, at drinking fountain on right side of Hwy (going down) Comment
  CHSC73967  Collomia linearis B. Castro; L. Gehrung 1998-10-2 856 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge west of Pilot Peak ca 500 ft SW of jcn of the Pacific Crest Trail, Co. Rd 511, and USFS Rd 22N60. Along PCT N of Rd 22N60. 1975 Comment
  CHSC66765  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1996-8-14 8159 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along the road. 1127 Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  RSA101408  Corallorhiza maculata R. Weatherby 1955-7-26 1666 Plumas Spanish Peak 2165 Comment
  RSA381969  Corallorhiza maculata Robert Gustafson 1984-5-15 2946 Plumas Butterfly Botanical area, ca. 7 miles northwest of Quincy, west of Highway 89 1037 Comment
  CDA18739  Corallorhiza striata G. D. Barbe, T. C Fuller 1982-7-16 3781 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
  RSA232860  Cornus nuttallii L. S. Rose 1968-6-11 68107 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1037 Comment
  CAS-BOT-BC210322  Cornus sericea David D. Keck 1932-7-3 1654 Plumas South of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC210498  Cornus sericea subsp. occidentalis Alice Eastwood 1927-6-12 14523 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CHSC113637  Cornus sericea subsp. sericea Lowell Ahart 2014-8-31 19817 Plumas South of 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, west side of Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS104102  Cornus sericea subsp. sericea Lowell Ahart 2003-8-13 10505 Plumas On the w side of Hopkins Creek, ca 10 yd south of where Hopkins Creek forks, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain, ca 10 1/2 mi (air) ne of La Porte. 1524 Comment
  CAS-BOT-BC401876  Corydalis caseana subsp. caseana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54364 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CAS-BOT-BC401868  Corydalis caseana subsp. caseana Margaret Williams 1966-7-11 s.n. Plumas Jameson Creek, above Johnsville 1859 Comment
  UC1135190  Corylus californica G. T. Nordstrom 1934-7-11 216 Plumas Plumas National Forest, Lower Bucks Lake Lower Bucks Lake; Plumas National Forest, Lower Bucks Lake 1554 Comment
  SEINET10474583  Crepis bakeri subsp. cusickii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3855 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  UC346533  Crepis capillaris E. B. Babcock and M. Navashin 1928-6-26 138 a Plumas Meadow Valley 1158 Comment
  CAS-BOT-BC291559  Crepis intermedia Lewis S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 853 Comment
  HSC5448  Crepis intermedia L. S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 854 Comment
  JEPS102224  Crepis intermedia L. P. Janeway 2001-8-5 7425 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  UC346535  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-23 181 Plumas about 2 or 3 mi e Meadow Valley (along hwy to Quincy) Comment
  CAS-BOT-BC291592  Crepis modocensis subsp. subacaulis G. D. Barbe 1982-6-9 3667 Plumas Southeast and below Thompson Peak overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  CHSC97559  Crepis monticola Lowell Ahart; John Dittes 2007-6-17 14193 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC82501  Crepis occidentalis Lowell Ahart 2002-6-26 9773 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
  CAS-BOT-BC290855  Crepis pleurocarpa Alice Eastwood 1912-8-22 1902 Plumas Battle Creek Meadows, Lassen Butte Region Comment
  JEPS118621  Crepis pleurocarpa B. Castro, L. P. Janeway 2001-7-22 1351 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In rocky open areas up from road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  SEINET10938041  Crepis pleurocarpa Mary Susan Taylor 1981-8-25 Taylor 4242 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  CAS-BOT-BC189305  Cryptantha Clare B. Hardham 1975-8-2 20453 Plumas Black Mountain 2133 Comment
  CHSC40751  Cryptantha affinis Lowell Ahart 1985-7-11 5144 Plumas Little Grass Valley Reservoir, where Spanish Ravine flows into the lake, south-west of Black Rock Creek, about 4 miles north-west of La Porte. 1584 Comment
  CHSC80165  Cryptantha affinis L. P. Janeway 1996-6-12 5011 Plumas Northern High Sierra Nevada. 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CHSC82561  Cryptantha affinis Lowell Ahart 2002-7-18 9870 Plumas Near a small meadow, on the north side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  SBBG21892  Cryptantha affinis D. Myrick 1964-7-21 888 Plumas near trail parking area, Drakesbad 1737 Comment
  SEINET12514810  Cryptantha affinis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville. Comment
  UC1586411  Cryptantha milobakeri Vernon H. Oswald and Lowell Ahart 1991-6-18 4681 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  CHSC80809  Cryptantha torreyana Lowell Ahart 2001-7-17 8911 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS95556  Cryptantha torreyana Lowell Ahart 1994-7-7 7456 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  POM72223  Cryptantha torreyana Marcus E. Jones 1897-7-3 6866 Plumas Prattville. 1372 Comment
  RSA59756  Cryptantha torreyana E. K. Balls 1950-9-14 15804 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  OBI20816  Cryptantha torreyana Lewis S. Rose 1967-7-11 67157 Plumas Mt. Hough Rd, 2 mi NE of Quincy jctn 1219 Comment
  RSA95527  Cryptantha torreyana J. T. Howell 1951-6-27 27573 Plumas Johnsville; Sierra Nevada 1585 Comment
  SEINET6225025  Cryptantha torreyana L. S. Rose 1967-1 67157 Plumas 9.0 mi NE of Quincy Jct Comment
  CHSC46027  Cryptogramma acrostichoides Lowell Ahart 1979-8-4 2008 Plumas At the head of Dixon Creek, north of the Buzzards Roost Ridge, about 1 mile north of Pilot Peak, about 12 miles north-east of La Porte. 1584 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
  SEINET3863350  Cupressus bakeri M. S. Taylor, M. Foster 1981-8-13 4175 Plumas Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse.; 0 1981 Comment
  UC1229886  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -2 Plumas near e side Mud Lake (an extensive but scatterd grove extending n down slope toward Wilcox Valley, about 0.75 mi ne of Eisenhower Peak) 2042 Comment
  JEPS87821  Cuscuta californica Lowell Ahart 1994-7-22 7506 Plumas n of Mount Etna (on the s side of the Pacific Crest Trail, Plumas and Sierra Counties); n of Mount Etna 1981 Comment
  CAS-BOT-BC224402  Cuscuta californica Anna Head 1921-7-27 s.n. Plumas Camp Elwell. Feather River Region Comment
  CHSC65422  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Lassen Volcanic Park. Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  JEPS125851  Cuscuta californica var. californica Dean W. Taylor 2001-8-1 17868 Plumas Tributary to Hopkins Creek draining from Blue Nose Mountain, along Forest Road 23N10 near the junction with Forest Road 23N43Y. Comment
  SBBG119861  Cuscuta occidentalis L. Ahart 2003-9-7 10563 Plumas Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Pk, ca. 9 mi (air) NE of La Porte 2038 Comment
  HSC93210  Cuscuta occidentalis Vernon H. Oswald, L. Ahart 1996-8-14 8150 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  JEPS118405  Cuscuta subinclusa Lowell Ahart 2011-9-17 17677 Plumas Stems parasitizing Arctostaphylos patula, on the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  HSC93237  Cuscuta subinclusa Vernon H. Oswald, L. Ahart 1996-8-14 8173 Plumas N High Sierra Nevada, near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi. SW of Silver Lake Rd., 1.8 mi. NE of White Horse Campground 1677 Comment
  CHSC70777  Cymopterus terebinthinus var. californicus B. Castro 1995-7-10 581 A Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CDA14027  Cynoglossum occidentale G. F. Hrusa, B. A. Smith 1996-8-8 13475 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  SEINET10497517  Cynoglossum occidentale Mary Susan Taylor 1982-6-2 Taylor 4591 Plumas T23N R12E se/se sec 19. Johnsville quad. W side of spur rd, 0.3 mi n of its jct to 23N49, ca. 0.5 air mi se of Jackson Campround, ca. 5 air mi n of Mohawk. 5000 ft. 1524 Comment
  SEINET10467144  Cyperus aristatus Mary Susan Taylor 1982-9-13 Taylor 5138 A Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC113877  Cyperus niger var. capitatus Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass Comment
  CAS-BOT-BC114127  Cyperus squarrosus John Thomas Howell 1959-9-25 34987 Plumas Sandy beach of Feather River, Portola. 1478 Comment
  RSA0000376  Cypripedium californicum J. G. Lemmon s.n. Plumas Scotch Camp, near Shasta. Also in Big Meadows, Plumas County, by Mrs. Austin. Comment
  CHSC70821  Cypripedium fasciculatum B. Castro; R. Zebell, R. Fallscheer 1989-8-15 391 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi W of USFS R ... Field redacted by CHSC, contact the data manager for more information 1645 Comment
  UC186335  Cypripedium fasciculatum Mrs. Austin August, 1882 Plumas Comment
  CAS-BOT-BC70678  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Near Johnsville Comment
  CHSC82442  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9831 Plumas On the north side of Forest Road 22N94, about 50 yards west of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1583 Comment
  CAS-BOT-BC445534  Damasonium californicum Roxana S. Ferris; Laura Lorraine 1941-8-9 10435 Plumas About 2 1/2 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester. Comment
  CAS-BOT-BC189666  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1653 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC192348  Danthonia unispicata L. P. Janeway 1992-5-22 4202 Plumas South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola 1499 Comment
  POM180942  Danthonia unispicata A. A. Heller, P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  SBBG33128  Darlingtonia californica K. K. Muller 1963-8-17 1245 Plumas rd to Butterfly Valley, off St Hwy 89, 7 mi N of Quincy Comment
  UCD119072  Darlingtonia californica Barry Rice 2010-6-10 BR 100602 Plumas South of Butterfly Valley. Comment
  CAS-BOT-BC420648  Darmera peltata Clare B. Hardham 1961-6-15 7431 Plumas Junction of Indian Creek with Feather RIver. North of Quincy. Comment
  SEINET8693220  Delphinium W. Harnach, N. Harnach 2006-5-29 1228 Plumas 0.5 mile S of Hwy 70 on A-23, W at R/R crossing, then 1.5 miles W along road. 1512 Comment
  CAS-BOT-BC175854  Delphinium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54391 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  JEPS113920  Delphinium William Harnach 2006-5-29 1228 Plumas Sierra Valley 0.5 miles south of Hwy 70, on A-23, west at R/R crossing, then 1.5 miles along road. Comment
  CHSC107455  Delphinium andersonii Matt Simenc; Rebecca Joyner 2011-7-2 9 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  SEINET7720705  Delphinium decorum Unknown 1883-1 Plumas Big Meadows Comment
  JEPS106055  Delphinium depauperatum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11062 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  CAS-BOT-BC8918  Delphinium depauperatum D. E. Breedlove 1962-6-12 3440 Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CHSC45505  Delphinium nudicaule Lowell Ahart 1976-6-14 1140 Plumas Near the edge of the West Branch of Hopkins Creek, about 10 miles north-east of La Porte. 1828 Comment
  CHSC55398  Delphinium nudicaule Ben Cunningham 1991-4-20 14 Plumas Ca 1.4 mi south of Rock Creek Dam and 10 ft west of Highway 70, 37 mi south of Greenville. 731 Comment
  UC54275  Delphinium nudicaule H. M. Hall and E. B. Babcock July 1903 4457 Plumas Red Clover Creek Sierra Nevada Mountains 1676 Comment
  CAS-BOT-BC9854  Delphinium nudicaule Elmer Ivan Applegate 1934-5-3 8902 Plumas Near and south of Mohawk Comment
  RSA74351  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end of Pine Valley. 915 Comment
  UC972198  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end Pine Val. (Hwy 89) 914 Comment
  UCD95881  Delphinium nudicaule Dean Dubbe 1974-4-26 6 -4 Plumas Feather River Canyon, 5 miles south of Belden on State Highway 70. 670 Comment
  CAS-BOT-BC116096  Delphinium nuttallianum Anna Head 1920-7-1 s.n. Plumas Gravelly flats near Gold Lake, Feather River Region 1828 Comment
  CHSC107442  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-BC116119  Delphinium nuttallianum Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 1 mile w. of Meadow Valley Inn Comment
  RSA189366  Delphinium nuttallianum L. S. Rose 1967-7-11 67165 Plumas Mt. Hough, 1.3 miles S of summit. 2043 Comment
  RSA641883  Delphinium nuttallianum Michael A. Vincent 1999-6-7 8524 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  SEINET10536045  Delphinium nuttallianum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4316 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC725740  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas wayside ditch along State Hwy 89 3 mi s Prattville Comment
  CDA31655  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas W side of Lake Almanor 0 Comment
  CHSC55638  Deschampsia cespitosa K. R. Stern 1985-6-25 8291 Plumas Vicinity of Blairsden. 1402 Comment
  UCR227748  Deschampsia cespitosa R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr 1972-9-20 42358 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, pond north of Goose Lake 2058 Comment
  JEPS76233  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1939-8-12 19401 Plumas Ferris Creek - branch of Last Chance Creek 1767 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
  POM264539  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas west side of Lake Almanor 1829 Comment
  CDA34551  Deschampsia elongata L. Ahart 2008-9-1 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  SACT000933  Deschampsia elongata Michael Baad 1976-8-7 Plumas From 1 mile west of trailhead to Bear Lake to railhead along road to Rubicon Springs from Lake Tahoe. Red fir, lodge pole pine, western white pine. 2011.0 Comment
  UCD63443  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks. 1676 Comment
  UCD63520  Deschampsia elongata John Thomas Howell 1960-7-19 35621 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC201883  Deschampsia elongata George W. Gillett 1957-7-17 801 Plumas Near east inlet to Willow Lake 1661 Comment
  SEINET10834710  Deschampsia elongata A. Arthur Heller 1915-7-7 Heller 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, in granite in the yellow pine belt, 12 miles west of Bucks in moist grassy places, the principal undershrubs Ceanothus and Quercus vaccinifolia. 1676 Comment
  CAS-BOT-BC43111  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1977-6-20 52370 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC43503  Descurainia sophia John Thomas Howell 1955-7-19 30787 Plumas Sierra Nevada. Vinton. 1505 Comment
  CHSC21103  Dicentra formosa F. T. Griggs; A. Pass 1975-7-1 8 Plumas East of Grizzly Creek. Comment
  SEINET12091402  Dicentra formosa W. Knight, Knight, I. 1983-1 4898 Plumas On road between Chester and Drakesbad Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  POM97795  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  SEINET4572221  Dichanthelium acuminatum subsp. thermale B. Crampton 1964-8-25 7164 b Plumas Lassen National Park, Drakesbad, 1/8 mile south of guest houses, slope above Hot Springs Creek 1676 Comment
  JEPS85855  Dichelostemma congestum Barbara Ertter 1989-7-4 8692 Plumas Coyote Flat w of Lake Almanor (4.2 mi w of Hwy. 89 jct. with Hwy. 36); Coyote Flat 1524 Comment
  CAS-BOT-BC502669  Dichelostemma multiflorum W. W. Wagner 1919-6-7 273 Plumas Sockem [Sockum] Creek, vicinity of Quincy 1371 Comment
  CAS-BOT-BC299761  Dieteria canescens var. canescens M. S. Taylor 1982-8-27 5046 Plumas SW corner of jct. of Hwy. 70 and road to Loyalton, in Vinton 1493 Comment
  CHSC65624  Dieteria canescens var. canescens L. P. Janeway 1995-9-8 4918 Plumas East side of Lake Davis about 0.8 mi north-northeast of the dam. Along Road 24N73Y (which starts opposite Grizzly Flat Boat Ramp) 0.5 mi east of the county road (Road 112). On road shoulder. 1844 Comment
  RSA0112642  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 miles west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  UC569697  Dieteria canescens var. canescens C. W. Hanks 1934-8-30 61 Plumas 0.75 mi s Bald Peak; Sierraville Quad. 1676 Comment
  UC1037236  Dieteria canescens var. shastensis Leo Whitney 1934-8-29 3068 Plumas near Murdock Crossing (Plumas National Forest); Plumas National Forest 1920 Comment
  CAS-BOT-BC150486  Diplacus grandiflorus Lewis S. Rose 1963-6-2 63079 Plumas Rock Creek, North Fork of Feather River 640 Comment
  SD134634  Diplacus grandiflorus David M. Thompson 1992-6-9 1120 Plumas Just NE of bridge over North Fork of Feather River, 2.0 mi NE of Elephant Butte Tunnel along Hwy 70 518 Comment
  CAS-BOT-BC151852  Diplacus mephiticus Clare B. Hardham 1961-6-15 7401 Plumas Gray Eagle [Graeagle] - Sierra Nevada Mountains Comment
  CHSC10824  Diplacus mephiticus Lowell Ahart 1968-6-29 Plumas Six miles N. E. of La Porte. 1371 Comment
  CHSC117562  Diplacus mephiticus Lowell Ahart 2016-7-9 21090 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC42036  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 a Plumas Along the edge of a side road, north of Cleghorn Bar Road, about 1 and 3/4 miles north-west of Finger Board, about 4 1/4 miles north-west of Pilot Peak. 1828 Comment
  CAS-BOT-BC151259  Diplacus torreyi John Thomas Howell 1926-7-26 2123 Plumas Near Prattville 1371 Comment
  CHSC73824  Diplacus torreyi B. Castro 1997-6-9 732 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 22 N50X which climbs the peak. 1694 Comment
  CAS-BOT-BC151683  Diplacus torreyi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade Comment
  UCD169819  Dittrichia graveolens Lowell Ahart; John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) wesr of Twain. 813 Comment
  CHSC36213  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas Abundant in wet meadow in McRae Meadows, ca. 6 mi w of Mohawk. 1889 Comment
  UC673360  Dodecatheon alpinum Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); nr outlet Bear Lake, near base Mt. Elwell Comment
  RSA101510  Dodecatheon conjugens R. Weatherby 1955-7-2 1595 Plumas Pine Creek near Argentine Rock Lookout. 2134 Comment
  UC1039541  Dodecatheon jeffreyi Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); near outlet Bear Lake, near base of Mt. Elwell Comment
  UC1220403  Downingia bacigalupii C. M. Wilder 1912-7-2 1864 Plumas road s Prattville 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
  RSA181924  Downingia bicornuta John Weiler, Lincoln Constance, E. Moleseed 1960-6-12 60153 Plumas Beside State Hwy 89, 2.5 miles NW of Lake Almanor Public Camp. Comment
  SD62432  Downingia bicornuta var. bicornuta John H. Weiler, L. Constance, E. Moleseed 1960-6-12 60153 Plumas Beside State highway 89, 2.5 miles northwest of Lake Almanor Public Camp. Comment
  UC711958  Downingia bicornuta var. bicornuta Roxana S. Ferris and Laura Lorraine 1941-8-9 10434 Plumas about 2.5 mi from Lake Almanor Public Camp (State Highway 89, on road to Chester) Comment
  UC570080  Draperia systyla F. W. Embree 1934-6-21 114 Plumas Penstocks, above Storie, Bidwell Bar Quad. 1478 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
  CHSC66622  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8050 Plumas Last Chance Marsh at N end of Lake Almanor, just S ... Field redacted by CHSC, contact the data manager for more information 1371 Comment
  CHSC66758  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8174 Plumas Northern High Sierra Nevada. Near Bucks Summit on ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  JEPS84391  Drosera rotundifolia V. Oswald and W. Dempsey 1989-8-3 3914 b Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  OBI2928  Drymocallis lactea var. austiniae Lewis S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly crk and Spanish Crk, near Keddie 975 Comment
  UC1527284  Drymocallis lactea var. austiniae Lowell Ahart 1986-7-8 5350 Plumas about 1 mi nw Pilot Peak (about 14 mi ne of La Porte); nw of Pilot Peak, ne of La Porte 1981 Comment
  CAS-BOT-BC159310  Drymocallis lactea var. lactea Alice Eastwood 1927-6-17 14639 Plumas Road from Long Valley to Greenville, United States Forest Reserve Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  CAS-BOT-BC113789  Dulichium arundinaceum E. K. Balls 1950-9-9 15742 Plumas West of Lakes Center Public Campground, S end of small lake. 2042 Comment
  SBBG128609  Dysphania botrys L. Ahart 2012-9-5 18447 Plumas where County Rd crosses the S Fork of the Feather River, ca. 1 mi SE of Pilot Peak, ca. 8.25 mi NW of La Porte 1828 Comment
  UC1100260  Echinochloa crus-galli Malcolm A. Nobs and S. Galen Smith 1949-8-19 1413 Plumas about 2 mi s Greenville; Indian Valley Comment
  CAS-BOT-BC197241  Echinochloa muricata John Thomas Howell 1959-9-24 34925 Plumas Junction of Indian and Spanish creeks 914 Comment
  JEPS122116  Elatine Lowell Ahart 2014-8-26 19764 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC112617  Elatine ambigua Lowell Ahart 2013-9-11 19023 AL: Plumas On strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  CHSC81616  Elatine triandra Lowell Ahart 2001-10-8 9325 A Plumas In shallow water of a small stream, east of Lost Cove, below the high water line of Antelope Lake, northeast of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  JEPS102721  Eleocharis acicularis Lowell Ahart 2001-10-8 9322 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC113509  Eleocharis bella John Thomas Howell 1960-7-19 35706 Plumas Wet meadow, Drakesbad. 1828 Comment
  CHSC81637  Eleocharis bella Lowell Ahart 2001-10-8 9325 Plumas In shallow water of an unnamed stream, east of Lost Cove, below the high water line of Antelope Lake, northeast side of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  JEPS102767  Eleocharis bella Lowell Ahart 2001-9-24 9196 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CAS-BOT-BC113476  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville. 1097 Comment
  JEPS102248  Eleocharis coloradoensis L. P. Janeway 2001-7-25 7389 A Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  CAS-BOT-BC113385  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 18 Plumas Near Prattville, Lake Almanor Comment
  CHSC34333  Eleocharis engelmannii L. Ahart 1981-9-6 3101 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC81833  Eleocharis engelmannii Lowell Ahart 2001-10-16 9376 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
  CDA33185  Eleocharis engelmannii L. Ahart 2001-8-28 9197 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 Comment
  CHSC78738  Eleocharis macrostachya Jim Battagin 2000-7-5 Plumas Wolf Creek above Greenville Campground. 1112 Comment
  UC334118  Eleocharis macrostachya unknown Aug 1882 Plumas Sierra Valley Comment
  CAS-BOT-BC112915  Eleocharis macrostachya Lloyd W. Swift 1934-7-7 94 Plumas Granite Spring 1950 Comment
  CHSC78745  Eleocharis quinqueflora Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond and Sweetwater Meadow. 1164 Comment
  CHSC80885  Eleocharis quinqueflora Lowell Ahart; Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile northwest of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) northwest of Greenville. 1447 Comment
  CHSC34897  Elodea nuttallii M. S. Taylor 1981-9-2 4264 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  CAS-BOT-BC227598  Elymus elymoides John Thomas Howell 1962-6-19 37883 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC227605  Elymus elymoides John Thomas Howell 1926-7-24 2105 Plumas Near Prattville 1463 Comment
  CHSC97296  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2007-8-9 14450 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
  UC943025  Elymus glaucus Lewis S. Rose 1951-6-28 51024 Plumas Johnsville 1600 Comment
  CAS-BOT-BC206503  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 Plumas Canyon of Butterfly Creek - Sierra Nevada` 1036 Comment
  CHSC65880  Elymus glaucus subsp. glaucus L. P. Janeway 1995-10-11 4939 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite entrance to the campground. 1923 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
  SEINET12745738  Elymus glaucus var. glaucus W. Harnach, N. Harnach 1990-6-27 419 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), S of railroad. 1509 Comment
  SEINET4674684  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy Meadow.; 0 1036 Comment
  CAS-BOT-BC228658  Elymus multisetus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1642 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir 1097 Comment
  JEPS113932  Elymus ponticus W. and N. Harnach 2000-8-23 994 Plumas Sierra Valley on Dyson Lane 0.25 miles east of the intersection with Co. Road A-24 (~6 miles north of Loyalton, CA) Comment
  CAS-BOT-BC213819  Elymus repens John Thomas Howell 1975-7-22 51347 Plumas Quincy Junction Road near Quincy - Sierra Nevada 1036 Comment
  CHSC66655  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald; Lowell Ahart 1996-7-15 8038 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from the road. On the edge of the road crossing the meadow. 1371 Comment
  HSC8764  Elymus trachycaulus subsp. trachycaulus L. S. Rose 1968-6-10 68095 Plumas Quincy Meadow 1037 Comment
  CAS-BOT-BC392227  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-3 s.n. Plumas Rich Gulch 1173 Comment
  UCD32546  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  RSA144904  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-12 59 -151 Plumas 2.3 miles west of Quincy Comment
  CDA38056  Epilobium brachycarpum L. Ahart, John Dittes 2003-8-8 10 .481 Plumas On the west side of Beckwouth Calpine Road, about 50 yards north of the Western Pacific Railroad, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. Comment
  CHSC99834  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC59757  Epilobium campestre L. P. Janeway 1992-9-16 4310 Plumas Plumas National Forest. Edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  JEPS101238  Epilobium campestre Dean W. Taylor 2000-8-12 17571 Plumas Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  CAS-BOT-BC171710  Epilobium canum subsp. latifolium Lewis S. Rose 1932-9-5 32615 Plumas Jamison Lake 1889 Comment
  CHSC107918  Epilobium canum subsp. latifolium L. P. Janeway 2011-9-11 10723 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. On and next to blocky talus slope along the sides of south-facing basalt outcrop. 1570 Comment
  CHSC42029  Epilobium canum subsp. latifolium Lowell Ahart 1986-9-10 5392 Plumas Along the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  CHSC88633  Epilobium canum subsp. latifolium Linnea Hanson 1981-8-9 167 Plumas Plumas National Forest. 1828 Comment
  CHSC95014  Epilobium canum subsp. latifolium Lowell Ahart 2006-10-23 13497 Plumas On large gravel, on the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 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
  HSC73001  Epilobium canum subsp. latifolium M. S. Taylor 1981-9-14 4277 Plumas N side of Spur Rd. through center of Dark Ravine, 1/4 mi. N of Rush Creek, 5 mi. ESE of Greenville 1585 Comment
  RSA0118635  Epilobium canum subsp. latifolium Lowell A. Ahart 2014-8-24 19755 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
  UC337280  Epilobium canum subsp. latifolium unknown 1874-1 Plumas Indian Valley Comment
  SBBG21925  Epilobium ciliatum subsp. ciliatum D. Myrick 1964-7-19 877 Plumas Dream Lake, Drakesbad 1828 Comment
  SD7371  Epilobium ciliatum subsp. ciliatum R. M. Austin 1882-7-25 Plumas Big Meadows Comment
  CHSC102746  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16148 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  CHSC97554  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes 2007-6-17 14180 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC63646  Epilobium densiflorum B. Castro; R. Zebell 1989-7-20 328 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  SEINET12867922  Epilobium densiflorum A. Kowal, S. Batiuk 2011-9-1 NV 030 -635 Plumas Near administrative Office at Grizzly Creek Ranch. 1504 Comment
  JEPS106050  Epilobium hallianum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11163 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  RSA101455  Epilobium hallianum R. Weatherby 1955-7-2 1583 Plumas Wilcox Valley. 1768 Comment
  CHSC81035  Epilobium leptophyllum Vernon H. Oswald; B. Corbin, K. Earll, G. Schoolcraft 2001-7-28 10052 Plumas Willow Lake located west of Kelly Mountain just south of Lassen Volcanic National Park. 1627 Comment
  POM46382  Epilobium oregonense Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  UC1075721  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas No Ear Bar Middle Fork Feather River 914 Comment
  UC429342  Epipactis gigantea Mrs. R. M. Austin July 1878 300 Plumas Mt. Dyer Comment
  JEPS64366  Epipactis gigantea W. L. Jepson 1918-8-16 8025 Plumas Clover Creek Canyon 1615 Comment
  CAS-BOT-BC57896  Equisetum X ferrissii John Thomas Howell 1961-9-23 36844 Plumas Indian Valley. 1082 Comment
  CAS-BOT-BC56998  Equisetum arvense Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC57002  Equisetum arvense Alice Eastwood 1918-5-25 7056 Plumas Portola Comment
  CHSC31267  Equisetum arvense F. T. Griggs; A. Pass 1975-7-17 228 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC34882  Equisetum laevigatum M. S. Taylor 1981-8-31 4254 Plumas Both sides of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC204599  Eragrostis mexicana subsp. virescens John Thomas Howell 1977-8-11 52669 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  UC1731349  Eremogone cliftonii Dean Wm. Taylor with Glenn Clifton 1997-4-9 15947 Plumas Feather River Canyon; along Highway 70 about 0.5 miles E of crossing of Chambers Creek; Plumas National Forest 609 Comment
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Jul 3 2008
  CHSC67486  Eremogone congesta var. congesta James D. Jokerst 1985-6-10 2407 Plumas Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CAS-BOT-BC174304  Eremogone congesta var. suffrutescens A. A. Heller; P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee [Genesee] Valley and Summit Comment
  RSA0057646  Eremogone congesta var. suffrutescens Barbara Ertter, Gary Schoolcraft 1989-7-3 8666 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville. 2317 Comment
  CAS-BOT-BC174363  Eremogone kingii var. glabrescens George W. Gillett 1957-7-13 765 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen. Lassen Volcanic National Park 2057 Comment
  CDA17280  Eriastrum signatum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16307 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC1111609  Eriastrum signatum Lewis S. Rose 1955-7-19 55140 Plumas Beckworth 1493 Comment
  CAS-BOT-BC286650  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville 2164 Comment
  CHSC62427  Ericameria bloomeri L. P. Janeway 1993-9-28 4603 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1499 Comment
  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
  UCD131323  Ericameria bloomeri John Thomas Howell 1926-7-24 36282 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  CHSC66751  Ericameria nauseosa var. oreophila Vernon H. Oswald; Lowell Ahart 1996-8-14 8157 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along road. 1127 Comment
  HSC93436  Ericameria nauseosa var. oreophila Vernon H. Oswald, L. Ahart 1996-8-14 8157 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi. (air) NW of Meadow Valley ( on the Oroville-Quincy Hwy.) 1128 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
  CHSC108464  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -A Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam. 1687 Comment
  JEPS118400  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  UC1119834  Ericameria nauseosa var. speciosa G. T. Nordstrom 1934-7-20 246 Plumas 1 1/2 m w and 1/2 n of Meadow Valley; Bidwell Bar 1310 Comment
  UC1119859  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-7 254 Plumas 3 1/4 mi se of English Bar; Downieville Quad. 1554 Comment
  UCD131487  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-24 34962 Plumas Near Blairsden. 1341 Comment
  CAS-BOT-BC293022  Ericameria parryi var. nevadensis John Thomas Howell 1951-8-20 28210 Plumas Between Taylorsville and Genesee 1097 Comment
  JEPS75255  Ericameria parryi var. nevadensis John Thomas Howell 1974-9-20 50902 Plumas near Spring Garden; Sierra Nevada 1158 Comment
  JEPS100354  Erigeron aphanactis var. aphanactis Dean W. Taylor 2001-6-28 17822 Plumas Crystal Peak, along the ridgeline at the summit Sierra Nevada, Diamond Mountains 2377 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
  CHSC20848  Erigeron canadensis K. R. Stern 1975-7-23 5803 Plumas Pit of Peninsula, Lake Almanor. 1371 Comment
  CAS-BOT-BC297192  Erigeron coulteri L. P. Janeway 1990-7-25 3814 Plumas About 0.2 mi. northwest of Emigrant Creek and about 0.3 mi. southeast of Little Grizzley Creek, Plumas National Forest, Beckwourth Ranger District, Cascade Compartment 1828 Comment
  JEPS49078  Erigeron divergens Lewis S. Rose 1966-7-28 66071 Plumas Quincy 1066 Comment
  CAS-BOT-BC296013  Erigeron divergens H. M. Hall; E. B. Babcock 1903-7-1 4446 Plumas Red Clvoer Creek, Sierra Nevada Mountains 1097 Comment
  UCD131864  Erigeron divergens June McCaskill 1954-5-31 324 Plumas ca. 100 yards west of roadside, State Highway 89, ca. 2.6 miles north of Greenville. Comment
  CAS-BOT-BC300366  Erigeron eatonii var. nevadincola W. Harnach; N. Harnach 1989-5-7 062 Plumas Sierra Valley. Newman Point 1524 Comment
  CAS-BOT-BC300399  Erigeron eatonii var. plantagineus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC300406  Erigeron eatonii var. plantagineus L. P. Janeway 1989-6-9 3281 Plumas Beckwourth Ranger District, Plumas National Forest. Along south side of Red Clover Valley 1691 Comment
  CHSC53127  Erigeron eatonii var. plantagineus L. P. Janeway; Linnea Hanson 1989-6-28 3406 Plumas Squaw Valley; NE quadrant of jct of roads '01' (to Frenchman Lake) and '70' (to Laufman). 1706 Comment
  UC1730238  Erigeron eatonii var. plantagineus L. P. Janeway 1998-6-24 5667 Plumas near Ferris Cabin (along Road 28N03, S side of Ferris Creek about 1 mi SW of Last Chance Creek) 1670 Comment
  UC579405  Erigeron eatonii var. plantagineus E. Sawyer 1935-6-27 192 A Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Downieville Quadrangle 1767 Comment
  CHSC106220  Erigeron eatonii var. sonnei Arthur C. Barrett 1915-7-15 3 Plumas Indian Creek, near Boulder Cr. 1645 Comment
  CAS-BOT-BC300469  Erigeron filifolius Lewis S. Rose 1934-7-23 34413 Plumas Chilcoot, Sierra Valley 1522 Comment
  RSA712640  Erigeron filifolius var. filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. West-facing slope of soft decomposed granite soil with scattered rounded granite boulders 1884 Comment
  CAS-BOT-BC300840  Erigeron glacialis var. glacialis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54104 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  SEINET8667559 Image available Erigeron inornatus var. inornatus W. Harnach, N. Harnach 2000-9-3 1004 Plumas Approx 5 miles W of Portola on Co. Rd. A-15, Gold Mountain Development, along the river trail 1463 Comment
  UC485807  Erigeron inornatus var. inornatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  JEPS41434  Erigeron inornatus var. inornatus J. G. Lemmon 1046 Plumas near Greenville Comment
  UCSB16064  Erigeron lassenianus Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  OBI16537  Erigeron lassenianus Lewis S. Rose 1967-7-11 67160 Plumas Mt. Hough Rd, 2.5 mi NE of Quincy jctn 1250 Comment
  CHSC101498  Erigeron lassenianus var. deficiens L. P. Janeway; Sarah Starkey, Dorothy Kieffer 2009-8-13 9923 Plumas Northern High Sierra Nevada. 0.8 mi south of Mt. Ararat, along its extended broad ridge line. 1759 Comment
  JEPS103409  Erigeron lassenianus var. deficiens Lowell Ahart 2002-7-18 9855 Plumas Basalt ridge, ca 1/8 mile N of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam, ca 4 1/2 miles (air) NW of La Porte. 1743 Comment
  JEPS123964  Erigeron lassenianus var. deficiens Lowell Ahart 2015-7-4 20287 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC295484  Erigeron lassenianus var. lassenianus John Thomas Howell; Gordon H. True 1967-7-11 43278 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CAS-BOT-BC295502  Erigeron lassenianus var. lassenianus L. P. Janeway 1991-6-18 4049 Plumas Plumas National Forest, Beckwourth Ranger District. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River, south side of Hwy 70 1463 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  CHSC61908  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River). 1569 Comment
  JEPS95464  Erigeron petrophilus var. sierrensis Lowell Ahart 1994-7-28 7527 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  UCD19137  Eriodictyon lobbii W. B. McHenry 1990-6-22 s.n. Plumas Bucks Lake. Comment
  SEINET10537778  Eriogonum Mary Susan Taylor 1982-8-31 Taylor 5083 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  SEINET8655782  Eriogonum baileyi var. praebens W. Harnach 2015-7-26 1434 Plumas Beckwourth Pass 1594 Comment
  RSA756700  Eriogonum douglasii var. douglasii Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  CAS-BOT-BC256171  Eriogonum douglasii var. meridionale John Thomas Howell 1962-6-18 37790 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC256164  Eriogonum douglasii var. meridionale Volney Rattan 1903-1-1 s.n. Plumas Sierra Valley Comment
  SJSU14705  Eriogonum douglasii var. meridionale N. A. Hopkins 1991-7-3 1699 Plumas just N of Doyles Crossing on rd fronm Red Clover Valley to Janesville 1524 Comment
  SJSU15164  Eriogonum douglasii var. meridionale N. A. Hopkins 1993-6-16 1725 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CHSC34737  Eriogonum elatum var. elatum M. S. Taylor 1981-8-4 4154 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  RSA107481  Eriogonum elatum var. elatum L. S. Rose 1955-7-19 55141 Plumas Beckworth 1494 Comment
  CDA909  Eriogonum gracile var. gracile D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .278 Plumas On route 70 W of Storrie on sunny south-facing cliff Comment
  CHSC63465  Eriogonum lobbii Lowell Ahart 1994-7-22 7489 Plumas Open steep areas, south of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. (label said Sierra County also). 1981 Comment
  CAS-BOT-BC263313  Eriogonum marifolium var. marifolium Anna Head 1920-7-28 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC268693  Eriogonum microthecum var. laxiflorum John Thomas Howell; Gordon H. True 1973-7-31 50070 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC60543  Eriogonum nudum var. deductum L. P. Janeway 1992-7-10 4258 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 1/2 mi northeast of top of Grizzly Ridge in upper Joseph Creek. 2087 Comment
  CAS-BOT-BC261362  Eriogonum nudum var. deductum L. P. Janeway 1992-7-10 4258 Plumas Plumas National Forest, Beckwourth Ranger District. About 1/2 mi northeast of top of Grizzly Ridge in upper Joseph Creek 2087 Comment
  CDA13351  Eriogonum nudum var. nudum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13200 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC62153  Eriogonum nudum var. nudum L. P. Janeway 1993-7-31 4485 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. Road cutbank. 1066 Comment
  JEPS56656  Eriogonum nudum var. nudum Esther Fritz and T. H. Harris 1926-7-18 Plumas at edge of meadow, Meadow Valley Meadow Valley Comment
  SEINET11262393  Eriogonum nudum var. nudum Robert L. Johnson, Mikel R. Stevens 2015-7-13 3974 Plumas Northern High Sierra Nevada. Northeast side of La Porte off Main St (Quincy La Porte Rd) near jct with Gold St. E side of road.; 0 1518 Comment
  UC1032192  Eriogonum nudum var. nudum C. G. Albertus 1935-7-23 232 Plumas 2 mi nw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC261604  Eriogonum nudum var. nudum L. P. Janeway 1989-7-6 3458 Plumas Beckwourth Ranger District, Plumas National Forest. Above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 1.1 mi on rd 23N48 1645 Comment
  CHSC21204  Eriogonum nudum var. oblongifolium F. T. Griggs; A. Pass 1975-7-9 138 Plumas Buck;s Lake Forest Service Survey. Comment
  RSA31982  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas Along the feather river Hwy near Gray's flat. 869 Comment
  SEINET10479532  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-7-21 Taylor 4888 Plumas T24N R10E e/se sec 7. Quincy quad. American Valley, on ne side of hills s of Greenhorn Creek, ca. 1.5 mi ne of Quincy. 3500 ft. 1069 Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  CHSC102438  Eriogonum spergulinum var. reddingianum L. P. Janeway; B. Castro 2009-6-7 9802 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 180 m southwest of Thompson Valley Creek. Broad valley of wet and dry meadow complex and sagebrush flats. 1672 Comment
  UC85205  Eriogonum spergulinum var. reddingianum Mrs. R. M. Austin 1879-1 Plumas Spanish Peak Comment
  CAS-BOT-BC269950  Eriogonum spergulinum var. reddingianum L. P. Janeway; Garrett Gibson 1991-7-11 4069 Plumas Plumas National Forest, Beckwourth Ranger District. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek 1798 Comment
  CAS-BOT-BC262749  Eriogonum strictum var. anserinum Alice Eastwood 1918-5-25 7041 Plumas Portola Comment
  CDA17286  Eriogonum strictum var. anserinum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16313 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC262781  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Beckwourth Ranger District, Plumas National Forest. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111), 6.4 mi N of Beckwourth 1874 Comment
  CHSC53057  Eriogonum strictum var. proliferum L. P. Janeway 1989-7-6 3454 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
  UC2043047  Eriogonum strictum var. proliferum Barbara Ertter with Gary Schoolcraft 1989-7-3 8640 Plumas Ca 1/2 mile below Red Rock lookout, ca. 8 air miles S of Susanville. Comment
  UC584344  Eriogonum strictum var. proliferum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2239 Plumas n Engelmine (sw slopes and ride crest Red Rock); Red Rock Comment
  CAS-BOT-BC267505  Eriogonum umbellatum John Thomas Howell 1974-9-20 50898 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  RSA726367  Eriogonum umbellatum L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14050 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  CHSC70269  Eriogonum umbellatum var. ahartii B. Castro; R. Fallscheer, R. Zebell 1989-8-7 365 Plumas Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, at jcn of USFS Rds 23N18, 23N15 and 23N69. 1786 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
  CAS-BOT-BC268015  Eriogonum umbellatum var. furcosum John Thomas Howell 1926-7-27 2148 Plumas Near Prattville 1676 Comment
  CHSC104743  Eriogonum umbellatum var. furcosum L. P. Janeway; Melanie Williams 2009-8-6 9911 Plumas Northern High Sierra Nevada. Plumas National Forest; 175 m east of the top of Red Hill. 1893 Comment
  CHSC65813  Eriogonum umbellatum var. modocense L. P. Janeway 1993-8-5 4500 Plumas Plumas National Forest. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. 1623 Comment
  RSA0118777  Eriogonum umbellatum var. modocense Lawrence P. Janeway 2012-7-17 10945 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  CAS-BOT-BC265170  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-31 5081 Plumas Summit of Kettle Rock Lookout, just S of Taylor Lake ca. 6 air mine of Taylorsville 2383 Comment
  CDA17291  Eriogonum umbellatum var. nevadense G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16319 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
  CHSC39995  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-5 4925 Plumas Mt Hough summit, ca. 7 mi nne of Quincy. 2194 Comment
  CHSC60546  Eriogonum umbellatum var. nevadense L. P. Janeway 1992-7-13 4262 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Top of Grizzly Ridge between Joseph Creek and Greenhorn Creek. 2255 Comment
  RSA759517  Eriogonum umbellatum var. nevadense James L. Reveal 2007-6-5 8838 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  SEINET10479563  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-5 Taylor 4925 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  SEINET10479570  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-6-28 Taylor 4776 A Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  SEINET9319752  Eriogonum umbellatum var. polyanthum Unknown 1996-7-16 13248 Plumas Plumas National Forest Comment
  NY622269  Eriogonum ursinum M. E. P. Ames s.n. Plumas Comment
  UC174725  Eriogonum ursinum A. A. Heller with P. B. Kennedy 1907-7-13 8833 Plumas between Taylorville and Little Grizzly Creek Comment
  CAS-BOT-BC262248  Eriogonum ursinum Lowell Ahart 1968-6-29 s.n. Plumas NE of La Porte 1371 Comment
  CAS-BOT-BC262258  Eriogonum ursinum L. P. Janeway 1993-7-15 4440 Plumas Plumas National Forest, Quincy Ranger District. Steep northwest facing slope overlooking Virgilia (East Branch North Fork Feather River) at the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North... 1563 Comment
  CAS-BOT-BC262272  Eriogonum ursinum M. S. Taylor 1982-8-4 4914 Plumas Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy Comment
  SEINET5332053  Eriogonum ursinum M. J. Williams, Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1676 Comment
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake Comment
  UC635436  Eriogonum ursinum Herbert L. Mason 1924-6-19 1070 Plumas near base of Mt. Elwell; Bear Lake 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
  UC366027  Erioneuron J. G. Lemmon and wife 1880-7-1 355 Plumas Indian Valley; U.S. Pacific Coast, N. California, Indian Valley Comment
  UCD49872  Eriophorum crinigerum Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. 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
  JEPS88532  Eriophorum gracile Vernon H. Oswald and Lowell Ahart 1996-7-15 8049 Plumas at n. end of Lake Almanor (Last Chance Marsh, just s. of Last Chance Campground on Forest Rd. 28N11); High Cascade Range, Last Chance Marsh 1371 Comment
  CAS-BOT-BC301419  Eriophyllum lanatum var. grandiflorum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2351 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  CAS-BOT-BC308261  Eriophyllum lanatum var. integrifolium Lowell Ahart 1983-8-17 s.n. Plumas South of Onion Valley, west of Pilot Pk., near the Quincy La Porte Road, north-east of La Porte 2000 Comment
  CAS-BOT-BC308267  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 114 Plumas Nea rthe Feather River Forestry Exper. Sta., 4 mi. NW of Quincy Comment
  SEINET11119239  Eryngium alismifolium W. Harnach, N. Harnach 2000-8-23 998 Plumas Sierra Valley, 1 mile W of the Steel Bridge on Marble Lane. 1486 Comment
  UC657556  Eryngium alismifolium Roxana S. Ferris and Laura Lorraine 1941-8-9 10424 Plumas near village Lake Almanor Public Camp Comment
  UCD127469  Eryngium alismifolium N. Hopkins 1983-10-13 186 Plumas near Marble Hot Springs. Comment
  CHSC11381  Erysimum capitatum var. capitatum Lowell Ahart 1969-5-11 Plumas 10 miles below Quincy on Highway 70. 914 Comment
  CHSC21537  Erysimum capitatum var. capitatum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CHSC48332  Erysimum capitatum var. capitatum Vernon Oswald 1986-4-6 2093 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  SBBG133117  Erysimum capitatum var. capitatum B. C. Templeton 1968-1 Plumas unknown Comment
  RSA121676  Erysimum capitatum var. perenne D. Axelrod 1934-6-9 21 Plumas 2.25 miles NW of Lexington Hill. 1768 Comment
  CAS-BOT-BC153747  Erythranthe alsinoides W. D. Dakan 1975-5-8 75 - 11 Plumas 0.5 mile north of [Sugar Loaf] Sugarloaf. Plumas National Forest 1798 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
  CHSC113886  Erythranthe tilingii Lowell Ahart 2014-8-26 19783 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC505241  Erythronium grandiflorum Gladys L. Smith 1976-6-7 4613 Plumas South end of summit ridge, secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CHSC98354  Erythronium purpurascens L. P. Janeway 2007-5-20 8984 Plumas Northern High Sierra Nevada. Along road to the top of Red Hill, about 0.2 km due north of the summit. 1902 Comment
  SD6487  Erythronium purpurascens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC505251  Erythronium purpurascens Mary Strong Clemens 1920-4-3 s.n. Plumas Unspecified Comment
  UCD13247  Erythronium purpurascens Dean Dubbe 1974-5-4 9- 4 Plumas Butterfly Valley, 2 mi W of Keddie, off of state hwy 89. 1112 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  UCD107431  Euonymus occidentalis var. occidentalis E. W. Jameson 1949-6-27 s.n. Plumas 3 miles east of Quincy. 1127 Comment
  CHSC53578  Eurybia integrifolia L. P. Janeway 1989-7-20 3509 Plumas Plumas National Forest. North end of Crocker Meadow; near the Beckwourth-Genesee Rd (rd111) 6.3 mi N of Beckwourth. 1737 Comment
  CHSC62342  Eurybia integrifolia B. Castro; L. Hanson 1989-8-17 399 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  CAS-BOT-BC310533  Eurybia integrifolia Anna Head 1921-8-14 s.n. Plumas Gray Eagle Meadows, Feather River Region Comment
  CAS-BOT-BC310594  Eurybia radulina Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1549 Plumas Butterfly Botanical Area and Vicinity. Near mouth of Butterfly Creek 1036 Comment
  JEPS98999  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1365 Comment
  RSA699785  Festuca L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11181 Plumas on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south if Taylorsville, about 8 miles (air) northeast of Quincy 2054 Comment
  CHSC102086  Festuca idahoensis Lowell Ahart; John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC40984  Festuca idahoensis J. D. Jokerst 1984-7-10 2086 Plumas Canyon of Indian Creek between creek and Indian Cr Road at east end of Genesee Valley. 1234 Comment
  CHSC118716  Festuca myuros Wendy L. Boes; Jim Battagin 2015-5-12 2015007 C 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
  JEPS110424  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir 1648 Comment
  UCD66183  Festuca occidentalis H. S. Yates 1913-6-24 Plumas Massack. 1371 Comment
  UCD66185  Festuca occidentalis G. L. Stebbins Jr. 1939-7-6 2908 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CHSC118814  Festuca occidentalis Wendy L. Boes; Jim Battagin 2015-5-12 2015 -02 Plumas Between Forest Service Road 25N18Y and Caribou Roadd, south of Northfork Campground. (UTM652180 E, 4433328 N, NAD83 Zone 10N; Elevation 792 m.) 792 Comment
  CAS-BOT-BC279026  Festuca rubra John Thomas Howell 1960-7-18 35551 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA28223  Festuca subulata L. Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte Comment
  JEPS102456  Festuca subulata Lowell Ahart 2001-7-19 8950 Plumas On the sides of Hopkins Creek, about 100 yards SW 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
  JEPS104053  Festuca subulata Lowell Ahart 2003-8-13 10506 Plumas On the e side of Hopkins Creek, ca 1/8 mi south of where Hopkins Creek forks, sw of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain, ca 10 1/2 mi (air) ne of La Porte. 1524 Comment
  RSA700311  Festuca subulata L. Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  SEINET6697500  Fragaria vesca subsp. bracteata A. A. Heller, B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CHSC112503  Fragaria virginiana L. P. Janeway 2014-7-15 11537 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC21513  Frangula purshiana D. Brink; L. Mayer 1975-7-9 Plumas Buck's Lake. Comment
  UCD50250  Frangula purshiana Daniel Axelrod early 1974? 4 Plumas Northwest of Jamison Mine, 1 mile above (south of) Johnsville, on east side of Eureka Plumas State Park, Southern Plumas County, California. 1828 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
  HSC100831  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9163 Plumas Ridge top on the N side of Oak Ridge, westerly sloping head of Foreman Creek, 1.4 air km NW of Grizzly Summit. 528 Comment
  HSC104000  Frangula purshiana subsp. annonifolia L. Ahart 2012-7-1 18255 Plumas About 4 air mi. NE of Belden, ~ 200 yds. NW of Caribou Rd., along the creek 834 Comment
  JEPS113884  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-5-20 8982 Plumas Northern High Sierra Nevada; Top of Red Hill 1929 Comment
  CHSC58035  Frangula rubra Vernon H. Oswald; Lowell Ahart 1992-6-2 4972 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. 1795 Comment
  UC650347  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley Creek Comment
  CAS-BOT-BC55713  Frangula rubra subsp. obtusissima Miss. T. V. Raphael 1917-8-8 s.n. Plumas Mohawk Comment
  HSC99908  Frangula rubra subsp. obtusissima J. O. Sawyer, & J. P. Smith 2004-7-15 4576 Plumas Along Clear Creek at F.S. Rd. 25N14, Plumas National forest 1454 Comment
  CAS-BOT-BC53799  Frangula rubra subsp. rubra Alice Eastwood 1927-6-27 s.n. Plumas On road from Chilcatt Comment
  RSA101396  Frasera albicaulis var. nitida R. Weatherby 1955-7-21 1648 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  CHSC107463  Fritillaria atropurpurea Matt Simenc; Rebecca Joyner 2011-7-2 26 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  CAS-BOT-BC505275  Fritillaria atropurpurea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1884 Plumas On roadside between Darlingtonia Bog and pond Reservoir 1082 Comment
  JEPS5808  Fritillaria atropurpurea W. I. Follett 1936-5-11 Plumas Divide between Deadwood Ravine and Rich Gulch 1493 Comment
  RSA52952  Fritillaria atropurpurea R. Weatherby 1950-5-31 1436 Plumas West shore of Lake Almanor 1418 Comment
  CAS-BOT-BC506203  Fritillaria micrantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54216 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy 1584 Comment
  RSA600452  Galium Louis C. Wheeler 1959-7-15 7567 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CHSC91754  Galium aparine G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3275 Plumas Sierra Nevada. 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade) along road bank. 1402 Comment
  CDA14737  Galium bifolium G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3270 Plumas below Mount Hough summit 1.3 miles on road to junction with China Grade. 2042 Comment
  JEPS28625  Galium bifolium George W. Gillett 1957-7-18 813 Plumas ne side Boiling Springs Lake (near trail); Lassen Volcanic National Park 1813 Comment
  RSA101479  Galium bifolium R. Weatherby 1955-6-26 1546 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  SD6280  Galium boreale Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  CHSC36938  Galium grayanum M. S. Taylor 1982-8-5 4932 Plumas Mt Hough summit, on cliff above Crystal Lake, ca. 7 mi NNE of Quincy. 2203 Comment
  UC1523184  Galium trifidum M. S. Taylor 1982-8-17 5005 Plumas ca 5 air mi ne Sloat (s side of lake); Mt. Ingalls Quad., Little Summit Lake 1798 Comment
  JEPS29556  Galium trifidum var. pusillum John Thomas Howell 1960-6-23 35960 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  CHSC102122  Galium triflorum Lowell Ahart; John Dittes 2009-7-27 16170 Plumas On dry soil, about 100 yards west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC113596  Galium triflorum Lowell Ahart 2014-8-26 19790 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
  CAS-BOT-BC144395  Garrya fremontii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1837 Plumas Butterfly Canyon, Butterfly Botanical Area and vicinity. 1066 Comment
  CHSC115683  Garrya fremontii Emily Meigs Doe 2015-4-15 23 Plumas Northern High Ssierra Nevada. Plumas National Forest. Approx. 0.4 mi. northeast of where the South Fork Feather River feeds into the northeast end of Little Grass Valley Reservoir. Near Road 22N57 (the road around Little Grass Valley Reservoir). Approx. 4.6 miles north-northeast of La Porte. 1545 Comment
  CHSC21285  Garrya fremontii F. T. Griggs; A. Pass 1975-8-2 300 Plumas Buck's Lake forest Service Survey Comment
  UC1122698  Garrya fremontii G. T. Nordstrom 1934-7-9 200 Plumas 0.75 mi sw Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  SEINET10874017  Garrya fremontii Mary Susan Taylor 1981-5-10 Taylor 3663 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  CHSC97067  Gayophytum diffusum subsp. parviflorum Lowell Ahart; Josephine Guardino 2007-7-20 14354 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola. 1518 Comment
  UC903105  Gayophytum diffusum subsp. parviflorum Ethel Crum 1937-8-7 1946 Plumas 3 mi w Lake Almanor 1524 Comment
  CHSC113854  Gayophytum heterozygum Lowell Ahart 2014-9-9 19848 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1074 Comment
  CHSC24250  Gayophytum heterozygum K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC80844  Gayophytum heterozygum Lowell Ahart 2001-7-17 8920 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  RSA0118719  Gayophytum heterozygum Lowell A. Ahart 2014-8-26 19797 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific crest Trail, about 0.25 mi southwest of the bridge across the South Fork of the Feather River, about 4 (air) mi north of La Porte. 1534 Comment
  CHSC101847  Gayophytum humile Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15877 Plumas About 1600 feet southwest of Lake Almanor Dam. 1386 Comment
  CHSC43402  Gayophytum humile Lowell Ahart 1974-8-15 606 Plumas Along the dirt road near White Cap, about 10 miles south of Slote. 1676 Comment
  POM161587  Gayophytum humile R. C. Bacigalupi 1927-7-8 1678 Plumas Slopes of Mt. Elwell above Long Lake 2134 Comment
  HSC94150  Gentiana calycosa G. Fred Hrusa 1996-8-2 13428 Plumas SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock 1900 Comment
  SEINET10454845  Gentiana calycosa Mary Susan Taylor 1982-8-23 Taylor 5042 Plumas T25N R8E nw/se sec 19. Almanor SW quad. On both sides of Virgilia-Meadow Valley Rd (25N17), in small creek, ca. 0.5 mi w of York Cr, s of 12 Mile Ravine, ca. 1.5 mi sw of Virgilia. 4400 ft. 1341 Comment
  RSA59441  Gentiana simplex E. K. Balls 1950-9-9 15729 Plumas West of Lakes Center Public Campground, by small lake. 2043 Comment
  JEPS114523  Gentianopsis simplex Lowell Ahart 2008-8-14 15206 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side 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 1600 Comment
  CHSC21209  Geum macrophyllum F. T. Griggs; A. Pass 1975-8-1 284 Plumas Buck's Lake. Comment
  CHSC42795  Geum macrophyllum L. P. Janeway 1984-7-13 910 Plumas SW of Bucks Lake and near Grizzly Creek campground. At edge of small pool in a meadow. 1584 Comment
  JEPS107951  Gilia 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
  SEINET10496735  Gilia capillaris Mary Susan Taylor 1981-8-4 Taylor 4156 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  UC1123739  Gilia capitata subsp. mediomontana F. W. Embree 1934-6-21 113 Plumas 1 mi s, 1/2 mi e Storie; Bidwell Bar Quad., Plumas National Forest, e of Storrie Comment
  CAS-BOT-BC283879  Glyceria borealis John Thomas Howell 1961-9-25 36953 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC282696  Glyceria elata L. P. Janeway 1991-8-4 4123 Plumas 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, Beckwourth Ranger District, Plumas National Forest 1691 Comment
  CAS-BOT-BC282706  Glyceria elata John Thomas Howell 1951-6-28 27647 Plumas Johnsville, Sierra Nevada 1584 Comment
  JEPS76217  Glyceria elata W. L. Jepson 1939-7-30 19280 Plumas between Fales Hill and Chaparral Hill (Spanish Creek headwaters); Spanish Creek 1584 Comment
  SACT001264  Glyceria elata Malcolm Nobs, S. Smith 1949-8-20 Plumas Marshy meadow about 13 miles southwest of Milford Comment
  CHSC40564  Gnaphalium palustre Lowell Ahart 1985-9-26 5180 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
  CHSC55665  Gnaphalium palustre K. R. Stern 1985-6-25 8315 Plumas Vicinity of Blairsden. 1402 Comment
  RSA59918  Gnaphalium palustre E. K. Balls 1950-9-15 15831 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SBBG104016  Gnaphalium palustre W. Knight, I. Knight 1966-6-19 1359 Plumas near pond reservoir, Butterfly Valley 1097 Comment
  CAS-BOT-BC307386  Gnaphalium palustre J. T. Vale 1988-10-4 s.n. Plumas Bucks Lk. new road 1524 Comment
  SEINET10832497  Gratiola neglecta Mary Susan Taylor 1982-8-27 Taylor 5057 Plumas T23N R14E nw/se sec 27. Portola quad. Ramelli Ranch, vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 4880 ft. 1487 Comment
  CHSC34916  Grindelia nana M. S. Taylor 1981-8-5 4170 Plumas Indian Valley, s side of Hwy 206, 1.5 mi e of its jct with Hwy 89 just n of Crescent Mills. 1066 Comment
  CAS-BOT-BC304683  Grindelia squarrosa John Thomas Howell 1974-9-20 50907 Plumas Chilcoot 1554 Comment
  CHSC59897  Grindelia squarrosa var. serrulata L. P. Janeway 1992-8-6 4286 Plumas Along Hwy 70, on south side of East Branch Feather River at Soda Creek; 2.8 mi east of Crystal Springs, 4.6 mi east of Grays Flat. Road shoulder. 899 Comment
  SJSU14311  Grindelia squarrosa var. serrulata N. A. Hopkins 1989-8-29 1593 Plumas by Frenchmans L Rd c. 1 mi N of Chilcoot Comment
  CAS-BOT-BC189590  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54257 Plumas About 2.5 miles SE of Mount Hough on the road to Quincy 1798 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
  RSA700395  Hackelia californica L. P. Janeway 2001-6-15 7182 Plumas High Cascade Range. East side of Humbug Road about 2.7 km. southwest of shore of Lake Almanor, 4.0 miles west of Prattville. 1399 Comment
  SEINET10474685  Haplopappus acaulis Mary Susan Taylor 1981-6-16 Taylor 3911 Plumas T23N R13E sw/sw sec 4. Grizzly Valley quad. NW side of rd 24N07, ca. 1 mi NW of Smith Peak Lookout, ca. 7 mi NE of Blairsden. Open gravelly slope in Sagebrush Scrub; 6800 ft elev. 2073 Comment
  CDA14679  Hastingsia alba G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3123 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CHSC54331  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1991-6-18 4676 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  SD6432  Hastingsia alba Mrs. R. M. Austin, Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  CAS-BOT-BC508339  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville Comment
  RSA0009456  Hastingsia alba Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC170926  Hastingsia alba H. M. Hall 1912-6-30 9300 Plumas Snake Lake Valley Sierra Nevada Mountains, Snake Lake Valley 1219 Comment
  JEPS114606  Hazardia whitneyi var. whitneyi Lowell Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SBBG30612  Helenium bigelovii D. Myrick 1968-6-18 1941 Plumas Butterfly Valley, ca. 4 mi NW of Quincy 1036 Comment
  RSA59675  Helenium bigelovii E. K. Balls 1950-9-9 15745 Plumas West of Lakes Center Public Campground at south end of small lake. 2043 Comment
  CAS-BOT-BC314727  Helianthella californica var. californica W. Harnach; N. Harnach 1990-6-27 408 Plumas Ramelli Ranch (USFS) so of R/R 1499 Comment
  UCD130176  Helianthella californica var. nevadensis Albert Grigarick 2011-8-15 292 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort Road turn-off of Gold Lake Hwy., approx. 1/8 mile W from Graeagle Trail head to Hawley Falls. 1898 Comment
  UCD132766  Helianthella californica var. nevadensis J. I. Mallory 1968-4-1 279 Plumas La Porte area, Plumas National Forest. 1798 Comment
  CAS-BOT-BC305359  Helianthus annuus John Thomas Howell 1961-9-23 36818 Plumas Greenville 1088 Comment
  SD6703  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin Aug 1894 Plumas Banks of Pitt River above Alturas Comment
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May 14 2014
  SEINET11197285 Image available Hemizonella minima A. A. Heller, P. B. Kennedy 1907-7-3 8697 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC313426  Hemizonella minima D. E. Breedlove 1962-6-13 3473 Plumas Along State Hwy.89, 2 miles south of Graeagle 1402 Comment
  CAS-BOT-BC306030  Hemizonia congesta subsp. clevelandii John Thomas Howell 1961-9-23 36825 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC55285  Hesperis matronalis John Thomas Howell 1963-6-3 39387 Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC57423  Hesperis matronalis L. P. Janeway; Garrett Gibson 1991-7-1 4066 Plumas Plumas National Forest. Edge of drainage along northeast side of Lake Davis, ca 1/2 mi east of Lightning Tree Campground and ca 3 1/2 mi north-northwest of the Grizzly Valley Dam. Along edge of creek. 1783 Comment
  SBBG47336  Hesperis matronalis J. T. Howell 1963-6-3 Plumas Quincy 1036 Comment
  CAS-BOT-BC55290  Hesperis matronalis F. H. Surber 1972-6-7 s.n. Plumas Dump, approximately 1 mile northwest of Greenville. Comment
  CHSC689  Hesperochiron californicus V. Holt 1935-6-1 Plumas Chilcoot 1524 Comment
  SD6698  Hesperochiron pumilus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  SEINET5499830  Hesperochiron pumilus G. C. Gulling 1905-1 1205 Plumas Sierra Valley Comment
  CHSC96060  Heterotheca oregona var. compacta L. P. Janeway 2006-10-1 8897 Plumas Northern High Sierra Nevada. Along Hwy 70 0.5 road km south of Rock Creek Reservoir dam, and above North Fork Feather River. 671 Comment
  JEPS113321  Heterotheca oregona var. compacta L. P. Janeway 2006-10-1 8897 Plumas Northern High Sierra Nevada. Along Hwy 70 0.5 road km south of Roack Creek Reservoir dam, and above North Fork Feather River. Comment
  CAS-BOT-BC310919  Heterotheca villosa John Thomas Howell 1959-9-25 35011 Plumas Sierra Valley near Beckwourth 1493 Comment
  CAS-BOT-BC312288  Heterotheca villosa var. minor M. S. Taylor; H. Swanson 1982-8-11 4970 Plumas Along n side of Jamison creek Road (507) on cliffs, ca. 1 mi. w of Plumas-Eureka State Park, ca. 3 mi. sw of Johnsville 1798 Comment
  CHSC107289  Heterotheca villosa var. minor L. P. Janeway; Peter Zika, Barbara Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of ) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  CHSC52727  Heterotheca villosa var. minor L. P. Janeway 1990-8-15 3829 Plumas Plumas National Forest. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1859 Comment
  CDA7957  Heterotheca villosa var. villosa T. C. Fuller 1968-7-1 17320 Plumas 1 block north of Highway 70, Beckwourth. 0 Comment
  RSA795001  Heuchera micrantha var. erubescens L. Ahart, John Dittes 2009-7-15 16101 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  RSA0066214  Heuchera micrantha var. erubescens E. K. Balls, P. C. Everett 1952-10-14 18213 Plumas Just above Butte Co. line, North Fork Feather River, on Hwy 24. 305 Comment
  RSA0066190  Heuchera rubescens var. alpicola R. C. Bacigalupi 1927-7-2 1687 Plumas About 0.25 mile below outlet of Long Lake along Grey Eagle Creek. 1829 Comment
  JEPS36581  Hieracium albiflorum John Thomas Howell 1926-7-20 2084 Plumas near Prattville 1463 Comment
  UC1219878  Hieracium albiflorum Wallace R. Ernst 1957-8-9 205 Plumas trailside near Devils Kitchen; Mt. Lassen Volcanic National Park Comment
  CHSC110598  Hippuris vulgaris B. Castro; L. Janeway 2006-6-14 1566 Plumas Northern High Sierra Nevada. NE side of Lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  RSA0016764  Hippuris vulgaris R. C. Bacigalupi 1927-7-12 1726 Plumas Along Spanish Creek, 0.5 mile N of Quincy. Comment
  SEINET10457159  Hippuris vulgaris Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4976 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  RSA59232  Holcus lanatus E. K. Balls 1950-8-31 15528 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  SD149107  Holodiscus discolor Lowell Ahart 1986-7-8 5357 Plumas Open bare serpentine area, ca. 1 mi. NW of Pilot Peak, ca 14 mi. NE of La Porte. 1951 Comment
  CHSC80869  Holodiscus microphyllus var. glabrescens Lowell Ahart 2001-7-17 8919 Plumas Meadows, on the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC63489  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1994-7-22 7499 Plumas Plumas/Sierra Counties. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  JEPS102527  Hordeum jubatum Lowell Ahart 2001-8-29 9253 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC285104  Hordeum marinum subsp. gussoneanum John Thomas Howell 1963-6-4 39408 Plumas Marble Hot Springs, Sierra Valley Comment
  CAS-BOT-BC143350  Horkelia fusca Clare B. Hardham 1978-8-11 21795 Plumas SE. of Thompson Peak Comment
  CAS-BOT-BC537870  Horkelia fusca var. parviflora Anna Head 1921-7-17 s. n. Plumas Feather River Region: Gray Eagle Meadows 1828 Comment
  CAS-BOT-BC537903  Horkelia fusca var. parviflora L. P. Janeway; Melinda Carlson 1991-6-18 4045 Plumas Plumas Nat'l Forest: Beckwourth Ranger District: N. side Middle Fork Feather River, S side Hwy 70, at Dellereker, ca. 0.3 mi west of Portola 1472 Comment
  CAS-BOT-BC514267  Horkelia fusca var. pseudocapitata David D. Keck; A. Gustafsson 1938-8-9 4904 Plumas 3 mi S of Beckwith, Sierra Valley, on road to Loyalton 1490 Comment
  CAS-BOT-BC143992  Horkelia fusca var. tenella Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Clear Creek 1524 Comment
  RSA0119038  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 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. 1534 Comment
  SEINET5327466  Hosackia oblongifolia var. oblongifolia A. A. Heller, P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  JEPS17480  Hydrocotyle verticillata J. G. Lemmon 1889-6-4 2710 Plumas Mohawk Valley Comment
  UCD119480  Hydrophyllum capitatum var. alpinum Grady L. Webster 1992-5-17 7763 Plumas c. 2 mi SW of Grizzly Valley Dam. 1737 Comment
  CDA18758  Hydrophyllum occidentale G. D. Barbe, T. C Fuller 1982-7-16 3758 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CHSC72312  Hydrophyllum occidentale L. P. Janeway; Glenn Clifton 1998-7-8 5726 Plumas About 1.5 mi southwest of Diamond Mtn; at junction of Diamond Mtn Motorway (Road 28N15) and unnamed road to small pond on a saddle on the crest. 2115 Comment
  SEINET5518742  Hydrophyllum occidentale var. watsonii P. A. Lehenbauer 1929-5-5 2678 Plumas Gold Lake Road Comment
  CHSC21325  Hypericum perforatum F. T. Griggs; A. Pass 1975-7-31 274 Plumas Buck's Lake Forest Service Survey. Grizzly Forebay. Comment
  SD230244  Hypericum perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy Comment
  CAS-BOT-BC401434  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  CAS-BOT-BC88636  Idahoa scapigera W. Harnach; N. Harnach 1989-3-29 005 Plumas Sierra Valley. Hillside north of Barry corrals. 1524 Comment
  SEINET10841523  Idahoa scapigera Mary Susan Taylor 1982-5-17 Taylor 4462 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  UC879866  Ipomopsis aggregata Anna Head 1921-1 Plumas Lake Center Camp Feather River Region Comment
  JEPS798  Ipomopsis aggregata W. L. Jepson 1927-6-23 12309 Plumas Camp Kelley Warren Creek 1584 Comment
  SEINET10496758  Ipomopsis aggregata Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4334 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10496767  Ipomopsis congesta subsp. palmifrons Mary Susan Taylor 1981-6-17 Taylor 3919 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  CAS-BOT-BC135736  Iris hartwegii E. K. Balls 1950-8-30 15505 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork, Feather River 609 Comment
  JEPS26740  Iris hartwegii subsp. hartwegii P. C. Hutchison 1961-6-9 2131 Plumas 0.4 mi. e. of Dam & store Round Valley Reservoir Comment
  UC1174770  Iris hartwegii subsp. pinetorum L. W. Lenz and E. K. Balls 1956-6-19 21839 Plumas 1.2 mi. e. along State Hwy. 89 after leaving Lake Almanor 1417 Comment
  UCD138759  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch. 1249 Comment
  CHSC67402  Iris tenuissima subsp. purdyiformis James D. Jokerst 1984-4-25 1989 Plumas Big Grizzly Hydro Project. Ca 2/3 of the way above the river on the inner steep rocky gorge of N. Fork Feather River. 1341 Comment
  RSA105534  Iris tenuissima subsp. purdyiformis Lee W. Lenz, E. K. Balls 1955-5-13 20699 Plumas Between Tobin and Camp Rogers, Feather River Canyon. 610 Comment
  CAS-BOT-BC324818  Iva axillaris John Thomas Howell 1959-9-22 34830 Plumas Wolf Creek 1371 Comment
  LA203794  Iva axillaris J. A. Ewan; 1934-7-18 8549 Plumas 2 mi. W. Portola Comment
  RSA790593  Ivesia aperta James R. Shevock, Barbara Ertter 1986-7-20 11736 Plumas Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  CHSC35943  Ivesia aperta var. aperta M. S. Taylor 1982-6-28 4775 Plumas Ramelli Ranch, on s side of Feather River, ca. 1/4 mi w of Calpine Rd (109), ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC205652  Ivesia baileyi James R. Shevock 1985-7-6 11316 Plumas Northern Sierra Nevada. Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir 1750 Comment
  JEPS112781  Ivesia baileyi var. baileyi Dean Wm. Taylor, Glenn L. Clifton 1990-6-25 11172 Plumas Little Last Chance Creek downstream ca. 0.6 miles from Frenchman Flat Reservoir Comment
  SEINET10483372  Ivesia sericoleuca Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3853 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  CHSC39365  Juncus balticus L. Ahart; P. Ahart 1983-8-17 4317 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  JEPS113875  Juncus balticus subsp. ater Lowell Ahart, Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CHSC47525  Juncus bufonius var. bufonius Lowell Ahart 1975-7-16 892 Plumas Small mountain meadow, 1/4 mile east of the Feather Fork Mine, about 2 miles north-east of Little Grass Valley reservoir. 1828 Comment
  CHSC92125  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2005-9-19 12420 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  JEPS114369  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15064 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte 1689 Comment
  CHSC40257  Juncus bufonius var. occidentalis Lowell Ahart 1985-7-11 5134 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
  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
  JEPS120102  Juncus dudleyi Lowell Ahart 2012-7-1 18256 Plumas On the west edge of Caribou Road, about 20 yards south of stream, about 4 miles (air) northeast of Belden. Comment
  CHSC32873  Juncus effusus subsp. pacificus L. Ahart 1980-10-6 2665 Plumas On the s shore of the lake ca. 0.5 mi w of Fowler Peak, ca. 2 mi n of Little Grass Valley Reserv. 1700 Comment
  JEPS115975  Juncus effusus var. exiguus Lowell Ahart, John Dittes 2009-7-15 16081 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC112598  Juncus ensifolius Lowell Ahart 2013-8-23 19019 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  CHSC56896  Juncus ensifolius L. P. Janeway 1991-8-4 4122 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass; 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  SEINET3150870  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off Hwy 24, E of Quincy 1524 Comment
  SEINET13710065  Juncus ensifolius Lowell William Ahart, Lowell William Ahart 2001-1 9193 Plumas Lake Almanor, about 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CHSC97779  Juncus exiguus L. P. Janeway 2007-8-12 9171 Plumas Northern High Sierra Nevada. 'Linnea Fen;' along Road 23N73Y 0.8 km north-northwest of Oroville-Quincy Hwy and Grizzly Summit. 1771 Comment
  CHSC100031  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC100461  Juncus howellii Lowell Ahart 2008-9-10 15390 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. Near center of section 27. 1598 Comment
  RSA755323  Juncus laccatus L. Ahart, John Dittes 2009-7-13 16035 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CHSC65857  Juncus nevadensis L. P. Janeway 1995-10-25 4943 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  SD192838  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15373 Plumas South edge of Onion Valley, ca. 0.75 mile northwest of Pilot Peak, ca. 0.5 mile east of the Ouincy La Porte Road, ca. 9.5 miles northeast of La Porte. 1915 Comment
  CHSC91934  Juncus occidentalis Lowell Ahart; Josephine Guardino 2005-8-9 12296 Plumas On the east side of Fant Creek, along the dirt road, about 50 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
  CHSC100027  Juncus orthophyllus Lowell Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  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
  UCD108049  Juncus orthophyllus Tim Kuhn 2006-6-21 83 Plumas adjacent to Crocker Guard Station. Comment
  UCR123673  Juncus orthophyllus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6883 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CHSC21580  Juncus parryi D. E. Brink Jr.; L. M. Mayer 1975-8-13 Plumas Bucks Lake. Comment
  CHSC41444  Juncus parryi Lowell Ahart 1986-7-8 5358 Plumas Around a small seep, near an open bare serpentine area, about 1 mile northwest of Pilot Peak, about 14 miles northeast of La Porte. 1950 Comment
  CHSC60563  Juncus parryi L. P. Janeway 1984-7-27 934 Plumas Lakes Basin; near Grassy Lake. 1920 Comment
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CDA32031  Juncus tenuis L. Ahart, J. Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  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
  HSC83402  Kalmia polifolia Lynn J. Gillespie 1982-5-23 Plumas ca. 3.5 mi, NE of Spanish Ranch, ca. 100 mi. N of Snake Lake 1220 Comment
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Mar 30 2016
  CHSC100844  Kalmia polifolia subsp. microphylla L. P. Janeway 2008-9-13 9595 Plumas Northern High Sierra Nevada. Along a northeastern branch of Mill Creek; along Mill Creek Trail about 4.5 km north of Bucks Lake. 1920 Comment
  JEPS48507  Kalmia polifolia subsp. microphylla Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2072 Comment
  RSA739639  Kalmia polifolia subsp. microphylla B. Castro, L. P. Janeway 2005-9-11 1518 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.8 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1896 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
  JEPS10897  Keckiella lemmonii W. I. Follett 1942-7-27 135 Plumas Deadwood Summit 1386 Comment
  JEPS115206  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
  RSA293271  Keckiella lemmonii D. C. Michener 1980-8-5 3787 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  CHSC91939  Kelloggia galioides Lowell Ahart; Josephine Guardino 2005-8-9 12276 Plumas Sides of a deep depression (mining?) 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
  JEPS104116  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  JEPS12465  Kelloggia galioides W. L. Jepson 1939-7-29 19271 Plumas Spring Hill Trail; Meadow Valley 1219 Comment
  CHSC113861  Lactuca serriola Lowell Ahart 2014-9-9 19861 Plumas On the north side of the gravel road, on the west side of Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. 1126 Comment
  CAS-BOT-BC340596  Lactuca serriola G. Sommers 1976-8-12 227 Plumas Sierra Valley. Along Marble Lane 1487 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
  CHSC79463  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa; B. Smith 1996-7-15 13224 Plumas Northern California. Sierra Nevada -- Plumas National Forest. Roadside near inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  PASA1969  Lappula californica Margaret Stason 1932-6-22 Plumas Lake Almanor Comment
  CAS-BOT-BC213386  Lathyrus jepsonii subsp. californicus Robert J. Weatherby 1950-7-7 1464 Plumas Banks of stream, near Snake Lake, Quincy 1219 Comment
  SD46424  Lathyrus jepsonii var. californicus Robert J. Weatherby 1950-7-7 1464 Plumas Quincy, stream near Snake Lake, in semi-shade on moist stream bank & bed 1219 Comment
  SEINET10451848  Lathyrus lanszwertii subsp. aridus Mary Susan Taylor 1982-6-2 Taylor 4596 Plumas 5700 ft. T23N R12E nw sec 17. Johnsville quad. E side of 23N11, ca. 2 air mi e of Cromberg, just n of Cogswell Ravine. 1737 Comment
  RSA64945  Lathyrus sulphureus C. L. Hitchcock 1950-5-28 19229 Plumas 5 mi les SW of Greenville on road to Quincy. Comment
  CAS-BOT-BC321051  Layia glandulosa Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, N of Chilcoot 1706 Comment
  SEINET10872155  Layia glandulosa Mary Susan Taylor 1982-5-19 Taylor 4481 Plumas T23N R14E se/nw sec 32. Portola quad. Sandy open slope on w facing ridge, ca. 1.5 mi e of Portola. 5600 ft. 1706 Comment
  UC570086  Ledum glandulosum F. W. Embree 1934-6-6 63 Plumas Three Lakes 1889 Comment
  CAS-BOT-BC534927  Lemna minuta M. S. Taylor; M. Foster 1981-2-6 3831 Plumas Spring garden quad, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  CHSC59102  Lemna trisulca V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5175 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a ditch in a meadow, near the EW boundary line of the park. 1595 Comment
  RSA169403  Lepidium campestre L. S. Rose 1963-6-3 63107 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  CAS-BOT-BC88842  Lepidium campestre L. P. Janeway 1992-7-1 4247 Plumas Plumas National Forest. Beckwourth Ranger District. Jackson Compartment. 1325 Comment
  CAS-BOT-BC12826  Lepidium perfoliatum John Thomas Howell 1962-6-17 37732 Plumas Sierra Nevada. Portola. 1463 Comment
  SEINET11279722  Lepidium perfoliatum W. Harnach, N. Harnach 1990-4-18 259 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CAS-BOT-BC12823  Lepidium perfoliatum W. Harnach; N. Harnach 1990-4-18 259 Plumas Sierra Valely. Marbel hot well. 1487 Comment
  CHSC102153  Lepidium virginicum var. pubescens Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16225 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 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
  SD7687  Leptosiphon nuttallii subsp. nuttallii Mrs. R. M. Austin 1881-1 Plumas Mt. Dyer Comment
  SD7480  Leptosiphon pygmaeus subsp. continentalis Mrs. R. M. Austin 1883-1 Plumas Big Meeadows Comment
  CAS-BOT-BC342084  Leucanthemum vulgare John Thomas Howell 1959-9-24 34949 Plumas American Valley near Quincy 1051 Comment
  UCD132706  Leucanthemum vulgare Beecher Crampton 1970-6-25 8630 Plumas Quincy. 1043 Comment
  SJSU6904  Leucocrinum montanum N. A. Hopkins 1975-5-10 652 Plumas N side of road between Beckwourth & Vinton, 5.3 mi E of Beckwourth, by sagebrush plain Comment
  SEINET11262176  Leucothoe davisiae D. W. McNeal 1991-7-26 3852 Plumas On the margins of Silver Lake on the trail to Mt Elwell, Lakes Basin.; 0 Comment
  SEINET10907246  Leucothoe davisiae Mary Susan Taylor 1974-7-3 Taylor 293 A Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET7270548  Leucothoe davisiae C. D. Marsh 1914-8-28 11077 Plumas Quincy Comment
  CHSC110268  Lewisia kelloggii subsp. hutchisonii L. P. Janeway 2012-6-2 10846 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CHSC76066  Lewisia nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3062 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  JEPS127658  Lewisia triphylla Jurriaan M. de Vos 2014-6-4 289 Plumas Plumas NF. Near intersection of Primary Forest Route 94 (22N94) and 22N27/22N86Y, ca. 2.5 mi. N along route 94 from the Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC444572  Lewisia triphylla Elmer I. Applegate 1929-6-21 5804 Plumas Drakesbad, head of Warner Valley, Mt. Lassen region Comment
  UCD64264  Leymus cinereus G. L. Stebbins Jr. 1939-7-9 2924 Plumas East side of Little Last Chance Valley. 1706 Comment
  CAS-BOT-BC283808  Leymus cinereus John Thomas Howell 1961-9-23 36861 Plumas Indian Valley 1082 Comment
  UCD65625  Leymus triticoides A. A. Beetle 1941-6-28 2793 Plumas 5 miles W of Chester. 1524 Comment
  CHSC66608  Ligusticum grayi Vernon H. Oswald; Lowell Ahart 1996-7-15 8056 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CAS-BOT-BC509339  Lilium kelleyanum Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  UCD139749  Lilium pardalinum F. C. Raney 1963-6-17 s.n. Plumas 20 miles north Feather Falls, Fall River tributary of Feather River. Comment
  CHSC75560  Lilium pardalinum subsp. pardalinum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3122 Plumas 2.65 miles west of Round Valley Reservoir Dam. 1569 Comment
  CHSC33936  Lilium pardalinum subsp. shastense M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi s of Mohawk. 1920 Comment
  CAS-BOT-BC508466  Lilium parvum E. K. Balls 1950-9-8 15718 Plumas Lakes Center Public Campground 2316 Comment
  UC1134646  Lilium washingtonianum subsp. washingtonianum G. T. Nordstrom 1934-7-10 211 Plumas 2 mi sw Gravel Range; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  JEPS58329  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad Sierra Nevada 1828 Comment
  UC908282  Linanthus ciliatus Herbert L. Mason 1924-6-20 1082 Plumas between Gold Lake and Bear Lake (Graeagle Camp) Comment
  UC572490  Linanthus harknessii E. Sawyer 1935-6-27 209 Plumas w of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  UC1101438  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-18 1350 Plumas s end Lake Almanor Comment
  UC1130226  Linum lewisii E. Sawyer 1935-6-3 58 Plumas 2 1/2 mi e of Beckwith Butte 1524 Comment
  CHSC46543  Listera convallarioides Lowell Ahart 1976-7-16 1174 Plumas About 5 miles north-west of Little Grass Valley Reservoir, about 1 mile west of Fowler Peak. 1828 Comment
  CAS-BOT-BC110588  Lithophragma Clare B. Hardham 1978-4-19 21590 Plumas Beckworth Pass. Comment
  CHSC89313  Lithophragma glabrum G. Douglas Barbe; T. C. Fuller 1982-7-16 3777 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  CAS-BOT-BC428424  Lithophragma tenellum Rimo Bacigalupi 1927-7-12 1736 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  UC1063987  Lithospermum ruderale E. Sawyer 1935-6-27 175 Plumas 3.7 mi n Hawks; Sierraville; Sec. 14 1676 Comment
  UC1776681  Lomatium hendersonii G. Schoolcraft 1997-5-18 2591 Plumas Top of Dimond Mtns. Farthest peak E on main ridge 2255 Comment
  POM147056  Lomatium macrocarpum Alice Eastwood 1927-6-14 14566 Plumas Forest Lodge near Greenville Comment
  POM186424  Lomatium nudicaule D. D. Keck 1932-7-5 1711 Plumas Quincy, at mouth of water supply company to the left hand just south of town 1067 Comment
  SEINET7880166 Image available Lomatium plummerae E. Sawyer 1935-1 9 Plumas 3 1/2 miles ESE of Beckwith Sec. 13 T.22N., R.14E. Comment
  CHSC99794  Lonicera conjugialis Lowell Ahart 2008-8-14 15214 Plumas West of the small stream, northwest of the meadow (swamp, bog), about 300 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1597 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CHSC100314  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas Along a stream in a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC200958  Lotus A. A. Heller 1938-7-2 15242 Plumas On Highway #24, near Gray's Flat 868 Comment
  SEINET10451955  Lotus argophyllus var. fremontii Mary Susan Taylor 1981-6-19 Taylor 3955 Plumas T23N R5E nw sec 12. Pulga quad. On granite at S mouth of Elephant Butte tunnel, at mouth of Grizzly Creek to North Fork Feather River on Hwy 70, ca. 6 mi NE of Pulga. Open & dry, large granite outcrop; 1800 ft elev. 549 Comment
  CDA14699  Lotus corniculatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3187 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  RSA755326  Lotus oblongifolius var. oblongifolius L. Ahart, John Dittes 2009-7-13 16046 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  SEINET7098375  Lotus strigosus A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. (NAD 27) Comment
  RSA517181  Ludwigia palustris var. americana J. T. Howell 1961-9-23 36845 Plumas Indian Valley; Sierra Nevada 1082 Comment
  SEINET7066995 Image available Lupinus A. G. Vestal 1955-4-28 s.n. Plumas Warner Valley. Coordinate datum: NAD27. Comment
  UC865571  Lupinus A. A. Heller 1915-7-7 12051 Plumas near the summit Soapstone Ridge (12 mi w of Bucks); near summit Soapstone ridge 1676 Comment
  UC1542848  Lupinus albicaulis P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas 5 mi n of jct of Hwy 70 and 89 roadside of Hwy 89 1066 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
  JEPS85918  Lupinus apertus L. P. Janeway 1990-7-12 3793 C Plumas saddle along top of Eureka Ridge ca 1.0 mi s of the head, Beckwourth Ranger District Bear Creek; Plumas National Forest, Johnsville Quad., Bear Creek 2118 Comment
  CAS-BOT-BC208796  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  SJSU13920  Lupinus argenteus var. heteranthus N. A. Hopkins 1984-7-22 1357 Plumas S end Squaw Valley 1828 Comment
  UC149844  Lupinus argenteus var. heteranthus Katharine Brandegee July 1911 Plumas Portola Comment
  CAS-BOT-BC196669  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  JEPS120465  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, ca 0.2 mi W of its jcn with the Beckworth-Taylorsville Rd. Comment
  CAS-BOT-BC215384  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas On N side of Highway 70, Indian Hill, ca. 1 mile W of Quincy 1097 Comment
  CHSC34757  Lupinus dalesiae M. S. Taylor 1981-6-15 3904 Plumas Jct of 24N27 and 24N27 (a loop around Smith Lake), ca. 2 mi n of its jct with Bucks Lake Rd, ca. 3 mi ne of Meadow Valley. 1158 Comment
  CHSC35906  Lupinus dalesiae M. S. Taylor 1982-6-23 4718 Plumas S side of Peoria Creek Rd (23N10), 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 1615 Comment
  CHSC52430  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Cr. Ca 1.0 mi N of Hwy 70/89; vicinity of Long Valley, Sloat. 1417 Comment
  RSA300982  Lupinus dalesiae M. L. Conrad, David B. Dunn, LeDoux 1973-6-5 7058 Plumas 5.2 miles west of jct. of Hwy 70 and Meadow Valley Road in Quincy. Comment
  UC1075742  Lupinus dalesiae Robert J. Weatherby 1955-7-26 1660 Plumas near Meadow Valley (Spanish Peak); , near Meadow Valley 2164 Comment
  UC82008  Lupinus dalesiae Brandegee Jul 1896 815 Plumas hills e Quincy (Quincy); hills e Quincy Comment
  SEINET10940043  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4616 Plumas T24N R8E nw/nw sec 10. Bucks Lake NE quad. Along spur rd off Burton Gulch Rd along Spanish Creek, ca. 2 air mi n of Meadow Valley. 4000 ft. 1219 Comment
  SEINET10973213  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24N R10E nw/sw sec 33. Spring Garden quad. Mixed Evergreen Forest; on rdcut, n side of 24N26, 0.5 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4500 ft. 1372 Comment
  SBBG3613  Lupinus formosus H. and M. Dearing 1939-7-4 3815 Plumas Greenville Comment
  SEINET10490334  Lupinus grayi J. C. Downey 1964-6-28 Downey 12 Plumas Crescent mill. Host lupine (b) hirsute. 1082 Comment
  SEINET10870554  Lupinus grayi Mary Susan Taylor 1982-5-25 Taylor 4524 Plumas T23n r11e ne1/4se1/4 sec 2. Mt ingalls quad. Along n rd embankment of 23n12 And up ca 20 ft into mcdermott ravine, in sloat fire area, ca 2 mi. Ne of Sloat. 1402 Comment
  SEINET7716854  Lupinus grayi Unknown Plumas American Valley Comment
  RSA0060730  Lupinus latifolius Daisie Huang 2006-8-11 06081103 Plumas Rattlesnake Creek, N of Hwy 70. 1283 Comment
  UCD108182  Lupinus latifolius var. columbianus A. A. Heller 1915-7-7 12051 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
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Apr 1 2012
  JEPS115127  Lupinus lepidus var. confertus Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16232 Plumas On dry bare soil, forest floor, above the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  RSA32938  Lupinus lepidus var. confertus A. A. Heller 1938-6-14 15160 Plumas Along the feather river Hwy near Grays flat. 869 Comment
  SJSU11970  Lupinus lepidus var. confertus N. A. Hopkins 1970-9-19 363 Plumas W side of Sierra Valley just N of Sierra county line 1371 Comment
  CHSC36216  Lupinus lepidus var. sellulus M. S. Taylor 1982-7-14 4831 Plumas Near jct of 27N92 and 26N18 in Log Valley around creek, ca. 4 air mi w of Greenville. 1676 Comment
  SJSU10714  Lupinus lepidus var. sellulus J. W. Tilden 1958-6-29 1305 Plumas SW shore of L Almanor 1828 Comment
  CHSC37522  Lupinus obtusilobus M. S. Taylor; H. Swanson 1982-8-11 4968 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville. 2133 Comment
  SBBG67021  Lupinus obtusilobus R. M. Austin -Apr-1877 Plumas American Valley Comment
  UCD109328  Lupinus onustus A. A. Heller 1913-6-13 10869 Plumas Quincy. 1066 Comment
  SEINET10451244  Lupinus onustus Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1080 Plumas Collected on s side of greenville on n-facing slope. Douglas fir forest on Small side road. Comment
  SEINET10837855  Lupinus onustus Patricia L. Kenney 1973-6-5 Kenney 419 Plumas Along roadside of hwy 89, 5 mi n of jct of hwy 70 & 89. Yellow pine, douglas fir, and oaks. 1067 Comment
  SEINET10490189  Lupinus polyphyllus subsp. superbus Taylor 1982-7-14 Taylor 4832 Plumas Almanor ne quad. Corolla deep blue. Near jct. Of 27n92 and 26n18 in long Valley around creek, ca 4 air mi w of greenville. With penstemon oreocharis, Achillea lanulosa. T.26n, r.9e, sec.7, ne 1/4 of sw 1/4. 1676 Comment
  SEINET10488895  Lupinus sellulus Patricia L. Kenney 1973-6-5 Kenney 438 Plumas Collected along a stream along hwy. 70, 6 Mi s from jct. Of hwy. 89 And 70. Douglas fir and yellow pine. 1067 Comment
  SEINET10490240  Lupinus sellulus subsp. ursinus Melvin L. Conrad, Eula V. Conrad 1981-7-12 Conrad 9482 Plumas Just east of entrance to Plumas Campground, south side of Hwy. 70, ca. 17 miles NW of Quincy. Comment
  CAS-BOT-BC323946  Lupinus sellulus var. artulus M. S. Taylor 1982-6-12 4638 Plumas S side of Hwy 36, W side of Lake Almanor, ca 0.5 mi E of Chester. 1371 Comment
  SEINET10484152  Lupinus sellulus var. artulus Mary Susan Taylor 1982-7-14 Taylor 4831 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  RSA32775  Lupinus stiversii A. A. Heller 1938-5-30 15131 Plumas Along the Feather River near Bucks Creek powerhouse. 610 Comment
  CAS-BOT-BC436599  Luzula cascadensis John Thomas Howell 1962-6-17 37648 Plumas Sierra Nevada: Butterfly Valley 1036 Comment
  CAS-BOT-BC436600  Luzula cascadensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54384 Plumas Sierra Nevada: 0.25 mile E of Bucks Summit on road to Quincy 1670 Comment
  POM110701  Luzula comosa Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  JEPS114924  Luzula comosa var. laxa Lowell Ahart 2008-7-16 15077 Plumas Edge of a 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 La Porte 1597 Comment
  CAS-BOT-BC436675  Luzula comosa var. laxa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54098 Plumas Sierra Nevada: 10.6 miles NE of La Porte on road to Quincy 1889 Comment
  SEINET10473901  Machaeranthera canescens Mary Susan Taylor 1982-8-18 Taylor 5051 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  RSA59423  Machaeranthera shastensis E. K. Balls 1950-9-15 15859 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CAS-BOT-BC344471  Madia exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54193 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC342866  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC109852  Madia glomerata L. P. Janeway 2012-10-17 11076 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
  JEPS40398  Madia glomerata W. L. Jepson 1918-8-17 8031 Plumas Sierra Valley 1524 Comment
  SEINET10474805  Madia glomerata Mary Susan Taylor 1981-8-28 Taylor 4246 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  SEINET3387478 Image available Madia glomerata Lewis S. Rose 1932-9-7 32642 Plumas Bear Lakes 1981 Comment
  UC89434  Madia glomerata Mrs. R. M. Austin July 1888 Plumas Big Meadows Comment
  CAS-BOT-BC342852  Madia glomerata David D. Keck 1938-8-9 4900 Plumas Beckwith (Beckwourth), 0.5 mi. W. of town 1525 Comment
  CHSC97093  Madia gracilis Lowell Ahart; Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  CAS-BOT-BC343269  Madia gracilis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2104 Plumas Butterfly Botanical Area and Vicinity. Between Butterfly Valley and Darlingtonia bogs 1066 Comment
  CDA8262  Madia minima D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .304 Plumas Above Little Grass Lake on West side. Comment
  RSA508636  Maianthemum racemosum subsp. amplexicaule Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC1536765  Malacothrix floccifera G. H. True 1938-7-14 958 Plumas top of Milford Grade Milford Grade 1828 Comment
  CAS-BOT-BC71086  Marsilea vestita John Thomas Howell 1926-7-30 2159 Plumas Lake Almanor Comment
  JEPS101227  Marsilea vestita subsp. vestita Dean W. Taylor 2000-8-12 17578 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  UC1192367  Marsilea vestita subsp. vestita Malcolm A. Nobs and S. Galen Smith 1949-8-18 1354 Plumas s end Lake Almanor Comment
  CHSC34937  Matricaria discoidea M. S. Taylor 1981-5-11 3683 Plumas Around private residence, ca. 0.5 mi s of Flournoy Bridge and jct of Hwy 89 and Bechwourth turnoff, ca. 5 air mi e of Genesee. 1158 Comment
  UCD107717  Medicago lupulina E. K. Balls 1950-9-16 15878 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy. 89. 1432 Comment
  CHSC64258  Melica aristata B. Castro; R. Zebell 1989-7-20 329 a Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  CAS-BOT-BC282080  Melica fugax John Thomas Howell 1975-6-16 51153 Plumas 2 miles NW of Spring Garden 1173 Comment
  CAS-BOT-BC282099  Melica fugax Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. 0.25 mile SE of Boiling Springs Lake 1859 Comment
  CAS-BOT-BC282102  Melica fugax John Thomas Howell 1975-6-16 51154 Plumas 2 miles NW of Spring Garden 1173 Comment
  CHSC91604  Melica fugax G. Douglas Barbe; T. C. Fuller 1982-7-16 3766 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  UC1586418  Melica fugax Vernon H. Oswald and Lowell Ahart 1991-6-18 4691 Plumas ca 5.5 air mi n Greenville (nw side of Homer Lake); Homer Lake 1920 Comment
  UCD87271  Melica fugax Beecher Crampton 1960-6-21 5740 Plumas 3.5 miles east of Child's Meadow, along Gurnsey Creek; State Hwy. 36. 1463 Comment
  UCD87284  Melica fugax August L. Hormay 1932-6-11 s.n. Plumas Middle Fork of the Feather River, 10 miles east of Quincy. Comment
  CAS-BOT-BC282078  Melica fugax John Thomas Howell 1960-7-18 35603 Plumas Drakesbad 1828 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
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  CHSC80914  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC264179  Melica subulata John Thomas Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC59916  Mentha canadensis L. P. Janeway 1992-7-23 4276 Plumas Plumas National Forest. Gravel bar on north side of Middle Fork Feather River near the mouth of Bonta Creek; behind Mohawk Ranger Station. 1315 Comment
  CHSC81125  Mentha canadensis Lowell Ahart 2001-8-29 9257 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SD46649  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  CDA17284  Mentzelia dispersa G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16311 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC115175  Mentzelia dispersa Lowell Ahart 2015-6-7 20212 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  SEINET10480635  Mentzelia dispersa Mary Susan Taylor 1981-8-4 Taylor 4159 Plumas T28N R11E se 1/4 sw 1/4 sec 11. Diamond Mt. quad. On top of Red Rock Lookout, ca. 8 air mi NW of Antelope Lake, ca. 15 air mi ne of Taylorsville. Meta- volcanic andesite. 7596 m 2316 Comment
  SEINET5333284  Mentzelia laevicaulis W. Harnach, N. Harnach 1990-7-10 470 Plumas Sierra Valley, just west of the steel bridge on Marble Lane 1486 Comment
  SEINET10871544  Mentzelia laevicaulis Mary Susan Taylor 1981-7-13 Taylor 3993 Plumas 5600 ft. T24N R16E south center sec 33, Frenchman Lake quad; Frenchman Lake Canyon, 0.5 mi S of the dam, ca. 11 mi N of Chilcoot on Hwy 70; Sagebrush Scrub, dry sandy soil in open sun. 1707 Comment
  RSA59412  Menyanthes trifoliata E. K. Balls 1950-9-8 15713 Plumas stream to west of Lakes Center Public Campground 2043 Comment
  UC79019  Mertensia ciliata Mrs. R. M. Austin 1883-1 442 Plumas Summit Grade, between Prattville [and Brices][?] Comment
  CHSC52515  Mertensia ciliata var. stomatechoides L. P. Janeway 1990-6-27 3727 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  CHSC43754  Micranthes aprica Vernon Oswald 1984-6-25 1324 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CAS-BOT-BC429239  Micranthes oregana Ella Dales Cantelow 1938-7-4 2310 Plumas Drakesbad. Comment
  CAS-BOT-BC349348  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
  CHSC21182  Microseris nutans F. T. Griggs; A. Pass 1975-7-16 189 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC87640  Microseris nutans Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10909 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy. 1147 Comment
  RSA14277  Microseris nutans Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  SEINET194971  Microsteris gracilis A. A. Heller 1938-5-21 15101 Plumas Just N of Chester 1305 Comment
  UC964787  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12474 Plumas Camp Storrie, along Hiway 24 Feather River Canyon Comment
  CDA19256  Mimulus guttatus G. D. Barbe, T. C. Fuller 1982-6-17 3856 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS10495  Mimulus guttatus W. L. Jepson 1924-7-22 10613 Plumas Rich Point Middle Fork Feather River 1097 Comment
  SEINET10570359  Mimulus lewisii Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4961 Plumas T21N R11E ne/ne sec 4. Sierra City NW quad. Along 23N08, n side of the A-Tree saddle above head of Florentine Canyon, ca. 5 air mi sw of Johnsville. 6700 ft. 2042 Comment
  SEINET12326759  Mimulus lewisii M. S. Taylor, Swanson, H. 1982-1 4961 Plumas along 23N08, N side of A-Tree saddle above head of Florentine Canyon, ca 5 air mi SW of Johnsville 2042 Comment
  UC1063059  Mimulus moniliformis G. Burks 1933-8-8 21 Plumas 4 mi e and 1 1/4 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  JEPS28652  Mimulus moniliformis George W. Gillett 1957-7-19 844 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  CHSC1788  Mimulus moschatus R. Carter 1964-5-16 88 Plumas Feather R. Canyon, 1/2 mi. up S side of Paul's Creek from Hwy. 40A. 640 Comment
  CHSC21712  Mimulus moschatus F. T. Griggs; A. Pass 1975-7-2 35 Plumas East of Road. Comment
  RSA59754  Mimulus moschatus E. K. Balls 1950-9-14 15801 Plumas 6 mi. northwest of Chester, North Fork Feather River. 1402 Comment
  RSA422245  Mimulus nanus var. mephiticus Dorothy Davis 1923-08 s.n. Plumas Gold Lake. 2439 Comment
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Nov 13 2013
  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
  JEPS11052  Mimulus primuloides W. L. Jepson 1910-6-15 4135 Plumas Prattville Comment
  UC1185293  Mimulus primuloides H. E. Brown Aug 1 1897-Aug 15 1897 603 Plumas near Lassen Buttes 1828 Comment
  UC125296  Mimulus pulsiferae Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC917311  Mimulus torreyi J. M. Tucker 1948-7-24 1720 Plumas near road from Cascade to Camel Peak 1615 Comment
  CAS-BOT-BC432984  Mitella breweri Robert J. Weatherby 1955-6-26 1562 Plumas Near Lakes Ranger Station, Lakes Basin 1981 Comment
  CAS-BOT-BC433069  Mitella trifida Lowell Ahart 1987-5-19 5655 Plumas Along Hopkins Creek, about 1/2 mile south of Turkeytown, about 1 mile west of Blue Nose Mountain, about 14 miles north-east of La Porte 1889 Comment
  UC1125785  Moehringia macrophylla P. G. Haddock 1938-5-29 10 Plumas near Rock Creek; Plumas National Forest, Downieville Quadrangle, Rock Creek Comment
  CHSC61741  Monardella follettii L. P. Janeway; Linnea Hanson, Perrie Cobb 1993-7-19 4460 Plumas Plumas National Forest. East side of Red Hill; along the Rich Gulch Road 2.8 mi northwest of Hwy 70 (in canyon of East Branch North Fork Feather River). 1280 Comment
  SJSU15282  Monardella follettii S. Woolhouse 2010-7-20 2 Plumas Along forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  UCD105971  Monardella follettii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CHSC52042  Monardella odoratissima L. P. Janeway 1989-7-12 3484 Plumas Plumas National Forest. Along Jackson Creek; rd 23N11 2.3 mi from hwy 70/89, then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  CHSC117559  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC82555  Monardella odoratissima subsp. pallida Lowell Ahart 2002-7-18 9857 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  CHSC99799  Monardella odoratissima subsp. pallida Lowell 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 one mile northeast of La Porte. 1613 Comment
  JEPS118428  Monardella odoratissima subsp. pallida Lowell Ahart 2011-9-20 17685 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  JEPS127336  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1124591  Monardella odoratissima subsp. pallida C. W. Hanks 1934-8-8 14 Plumas N. E. of Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UCD125237  Monardella odoratissima subsp. pallida J. M. Tucker 1948-7-24 1723 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC222117  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50639 Plumas Headwaters of Indian Creek southeast of Diamond Mt. 2164 Comment
  CAS-BOT-BC318570  Monardella odoratissima subsp. pallida F. Cayot 1913-8-12 19214 Plumas Three Mile Valley. 1706 Comment
  SEINET5333425  Monardella odoratissima subsp. pallida A. A. Heller 1907-7-9 8774 Plumas Prattville Comment
  CHSC61748  Monardella sheltonii L. P. Janeway 1993-7-28 4476 Plumas Plumas National Forest. Top of ridge southwest of confluence of North and South Branches of Ward Creek. Along access road 2.4 mi southeast of Genesee Valley. 1402 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
  CAS-BOT-BC220489  Monardella sheltonii W. W. Wagner 1919-6-1 s.n. Plumas Vicinity of Quincy Comment
  CAS-BOT-BC220490  Monardella sheltonii A. A. Heller; P. B. Kennedy 1907-7-12 8824 Plumas Near Greenville Comment
  SEINET10582347  Monardella sheltonii A. Graff 1993-7-22 Graff 296 Plumas Plumas National Forest. Hwy. 70 west, just past Keddie, on east-facing road cut, just before bridge going over Spanish Creek. T25N,R9E,S22. Growing on a bare, rocky, gravelly, steep cut, below a forest of Pinus jeffreyi, Calocedrus decurrens, Quercus kelloggii. 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
  CAS-BOT-BC220206  Monardella stebbinsii Linnea Hanson 1980-7-22 s.n. Plumas Ca. 1 mile north of Queen Lily Campground north of Belden on North Fork Feather River Comment
  HSC73119  Monardella stebbinsii M. S. Taylor 1981-7-18 4056 Plumas N side of caribou Rd., 3 mi. NE of its jct. with Hwy. 70 854 Comment
  SEINET10968926  Monardella stebbinsii Mary Susan Taylor 1981-7-26 Taylor 4115 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  CAS-BOT-BC444745  Montia chamissoi Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1880 Plumas Butterfly Botanical Area and Vicinity 1036 Comment
  SD8151  Montia chamissoi Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1136698  Montia chamissoi E. Sawyer 1935-6-22 188 Plumas 1.6 mi ene of Grizzley Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  UC1075676  Montia chamissoi Robert J. Weatherby 1955-7-2 1586 Plumas Wilcox Valley 1767 Comment
  CAS-BOT-BC444857  Montia fontana M. S. Taylor 1982-7-7 4785 Plumas S slope of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  JEPS113567  Montia fontana subsp. chondrosperma Lowell Ahart, John Dittes 2007-6-16 14100 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC445084  Montia linearis Alice Eastwood 1918-5-25 6988 Plumas Portola Comment
  OBI10796  Montia linearis Lewis S. Rose 1967-6-11 67104 Plumas Quincy 1036 Comment
  RSA726291  Montia linearis L. Ahart, John Dittes 2007-6-16 14087 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 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
  JEPS76229  Muhlenbergia filiformis W. L. Jepson 1939-8-12 19391 Plumas dry bed of streamlet Ferris Creek (branch of Last Chance Creek) 1767 Comment
  SACT001594  Muhlenbergia filiformis Malcolm Nobs, S. Smith 1949-8-18 Plumas Comment
  CAS-BOT-BC275301  Muhlenbergia mexicana John Thomas Howell 1959-9-21 34746 Plumas Sand bars of Feather River, N Fork near Belden 701 Comment
  CHSC81190  Muhlenbergia richardsonis Lowell Ahart 2001-8-29 9244 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA107488  Muhlenbergia richardsonis L. S. Rose 1955-7-20 55161 Plumas Mohawk 1372 Comment
  SEINET4689961  Muhlenbergia richardsonis W. Harnach, N. Harnach 1991-6-21 558 Plumas Next to R/R bridge east of Co. Rd. A-23, 1/4 mile S of Beckwourth 1487 Comment
  RSA6245  Myosotis discolor D. D. Keck 1932-7-3 1670 Plumas Along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  POM312567  Myosotis scorpioides Malcolm A. Nobs, S. Galen Smith 1949-8-20 1453 Plumas Along Highway #24, 1 mile south of Spring Garden. Comment
  UC1560392  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1297 Plumas e. of Quincy 1200 Comment
  UC1101357  Myosurus apetalus Herbert L. Mason 1953-6-16 14553 Plumas 2 mi e Beckwourth Comment
  CDA19267  Myosurus minimus G. D. Barbe, T. C. Fuller 1982-6-17 3843 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS101231  Myriophyllum sibiricum Dean W. Taylor 2000-8-12 17573 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  RSA52944  Myriophyllum verticillatum R. Weatherby 1950-7-28 1493 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  UCD23272  Nama aretioides var. multiflora Louis K. Mann; Pat Mann 1963-6-17 s.n. Plumas Along U.S. Highway 395, between its junction with U.S. Alternate 40 and Doyle. Comment
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Feb 12 2014
  CHSC43314  Nama lobbii Lowell Ahart 1974-8-7 593 Plumas Along the dirt road near Grizzly Mountain, about 4 miles south of Bucks Lake. 1828 Comment
  CHSC32023  Narthecium californicum L. Ahart 1974-8-7 595 Plumas Near Ohio Ravine, ca. 10 mi s of Bucks Lake, ca. 3 mi above Cold Water Creek. 1524 Comment
  UCD139964  Narthecium californicum Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  SEINET3887650  Narthecium californicum D. W. McNeal 1990-8-9 3771 Plumas In the Butterfly Valley Botanical Area nw. of Quincy. Pluams National Forest.; 0 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
  CHSC110286  Navarretia breweri B. Castro; L. P. Janeway 2006-6-4 1554 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  UC1563724  Navarretia breweri Barbara Ertter with Gary Schoolcraft 1989-7-3 8658 Plumas ca 8 air mi s Susanville (ridge between Red Rock and Diamond Mt) 2225 Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  RSA71913  Navarretia capillaris F. W. Peirson 1932-7-19 10353 Plumas Along Feather River near Chester. 1463 Comment
  UC908173  Navarretia divaricata Herbert L. Mason 1924-6-20 1087 Plumas near Gold Lake (on trail from Gold Lake to Graeagh Camp) Comment
  CHSC97581  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes 2007-6-16 14095 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA52845  Navarretia intertexta R. Weatherby 1950-7-7 1461 Plumas Quincy. 1220 Comment
  SEINET10869732  Navarretia intertexta Mary Susan Taylor 1982-8-19 Taylor 5113 Plumas T22N R12E sw/ne sec 9. Johnsville quad. In lawn at upper barracks, Mohawk Ranger Station, s side of Hwy 70, ca. 1 mi w of Blairsden. 4350 ft. 1326 Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC44339  Navarretia intertexta subsp. propinqua Lowell Ahart 1979-7-18 1987 Plumas In a meadow, along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 15 miles north of La Porte. 1676 Comment
  CHSC26156  Navarretia leptalea Detzer; Sacks 1977-7-28 33 Plumas Roadbank. 1853 Comment
  OBI11485  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd. 9.5 mi NE of Quincy Jct. 1250 Comment
  CHSC80242  Navarretia leucocephala subsp. minima L. P. Janeway 1996-6-5 5003 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 1488 Comment
  SEINET10464823  Nemacladus capillaris A. Arthur Heller 1913-6-13 Heller 10841 Plumas Near Marston Station 1067 Comment
  JEPS13023  Nemacladus interior Rimo Bacigalupi with G. T. Robbins 1955-7-22 5440 Plumas just above Rock Creek junction with the North Fork Feather River (slopes above Rock Creek) 472 Comment
  SEINET10461208  Nemacladus interior Rimo Bacigalupi 1957-6-29 Bacigalupi 6014 Plumas Just east of the mouth of Rock Creek, Feather River Canyon, along U.S. Highway 40 533 Comment
  SEINET10906130  Nemacladus interior Follett 1936-6-28 FOLLETT 62 Plumas Rock Creek Comment
  RSA101448  Nemophila parviflora var. austiniae R. Weatherby 1955-7-2 1590 Plumas Wilcox Valley. 1768 Comment
  JEPS28632  Nemophila pedunculata George W. Gillett 1957-7-18 820 Plumas North end of Willow Lake Meadow Lassen Volcanic National Park, n end Willow Lake Meadow (near the main inlet, Lassen Volcanic National Park) 1661 Comment
  UC397357  Nemophila pedunculata Mrs. Jos. Clemens 1920-4-13 7001 Plumas Crescent Mills Comment
  SD43462  Nemophila pedunculata Philip A. Munz 1947-5-16 11825 Plumas 8.0 miles north of Chilcoot. 1524 Comment
  CHSC61735  Nemophila spatulata Vernon H. Oswald; Lowell Ahart 1993-8-25 5866 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. Growing in drying soil along the edge of a wet, springy flat on top of low cliffs on the E side of the creek. 1987 Comment
  UC853345  Nuphar lutea subsp. polysepala Mrs. E. C. Sutliffe 1917-8-1 Plumas near Blairsden Comment
  CAS-BOT-BC400102  Nuphar polysepala Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET10535877  Nuphar polysepala Mary Susan Taylor 1981-6-25 Taylor 3947 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, ca. 1/8 mi S of Hwy 70, ca. 0.5 mi SW of Beckwourth. Sagebrush Scrub around North Fork Feather River, open and treeless; dry sandy soil. 4900 ft elev. 1493 Comment
  CAS-BOT-BC171458  Oenothera Fred Sommers 1976-8-12 210 Plumas Marble Hot Springs Area, Sierra Valley Marsh, Marble Lane 1487 Comment
  SEINET5345675  Oenothera deltoides var. piperi M. J. Williams, L. Wise 1976-5-31 76- 21 -2 Plumas Between Chilcoot and Vinton, Sierra Valley 1554 Comment
  CAS-BOT-BC355565  Oreostemma alpigenum var. andersonii G. Schoolcraft 1997-8-5 2643 Plumas Hay Meadow at S. end of Caribou Wilderness 1950 Comment
  CHSC21821  Oreostemma alpigenum var. andersonii F. T. Griggs; A. Pass 1975-8-5 307 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC327749  Oreostemma elatum Malcom A. Nobs; S. Galen Smith 1949-8-19 1432 Plumas Bog and marsh at Butterfly Valley. Comment
  CHSC66705  Orobanche californica subsp. grayana Vernon H. Oswald; Lowell Ahart 1996-8-1 8131 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dryer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Meadow. 1432 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-BC499834  Orobanche corymbosa subsp. mutabilis John Thomas Howell 1977-8-11 52696 Plumas Sierra Nevada: N end of Frenchmans Reservoir 1706 Comment
  CHSC63150  Orobanche fasciculata Lowell Ahart 1994-7-7 7458 Plumas Plumas and Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  JEPS95553 Image available Orobanche fasciculata Lowell Ahart 1994-7-7 7458 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 2011 Comment
  JEPS114612  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east 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
  POM297716  Orthocarpus lacerus A. A. Heller, P. B. Kennedy 1907-7-6 8752 Plumas Red Clover Valley. Comment
  RSA59403  Osmorhiza berteroi E. K. Balls 1950-9-8 15723 Plumas Lakes Center Public Campground. 2043 Comment
  CDA13419  Osmorhiza occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13267 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC63445  Osmorhiza occidentalis Lowell Ahart 1994-7-22 7491 Plumas South of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  RSA88406  Osmorhiza occidentalis J. T. Howell 1951-6-28 27652 Plumas Johnsville 1585 Comment
  CHSC46673  Packera subnuda var. subnuda Vernon H. Oswald 1988-8-5 3621 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  NY243409  Paeonia brownii Mrs. Ames 1876-1 s.n. Plumas 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
  UCD32830  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89728  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC253738  Panicum capillare John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET228557 Image available Panicum capillare subsp. capillare Lowell Ahart 1981-9-6 3078 Plumas .5 miles south-west of the intersection of highway 89 and Arlington Road about .5 miles south-west of Crescent Mills Comment
  SD71009  Panicum capillare var. occidentale John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic Park, Drakesbad, cool wet shaded place 1676 Comment
  CHSC70278  Pectiantia breweri B. Castro; R. Zebell 1989-8-3 336 Plumas Ca 2.5 air mi S of Bucks Lake, in tributary to main stream which flows southward through center of section. 1828 Comment
  SD6611  Pedicularis attollens Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA14379  Pedicularis groenlandica Elmer I. Applegate 1929-6-20 5760 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt Lassen region. Comment
  RSA59174  Pedicularis groenlandica subsp. surrecta E. K. Balls 1950-9-1 15600 Plumas East of Long Lake, at foot of meadow leading down to two smaller lakes. 2104 Comment
  CHSC62593  Pedicularis racemosa B. Castro 1987-6-21 134 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  JEPS3362  Pedicularis racemosa J. Ewan 1934-7-20 26 Plumas near Edmanton Comment
  JEPS13362  Pedicularis semibarbata H. E. and S. T. Parks June, 1928 237 Plumas Drakesbad; Lassen Volcanic National Park 1767 Comment
  UCR115327  Pedicularis semibarbata G. D. Barbe, T. C. Fuller 1982-7-16 3760 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  HSC22947  Pedicularis semibarbata John Pratt 1970-6-29 50 Plumas 5 mi. E of Humboldt summit Comment
  UCD123296  Pedicularis semibarbata Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  CHSC36311  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas At end of 23N49Y, ca. 2 air mi w of White Cap, ca. 5 air mi sw of Sloat. 1645 Comment
  UC124125  Penstemon davidsonii var. davidsonii Mrs. R. M. Austin July 1896 384 Plumas Lassens Peak Comment
  JEPS32700  Penstemon deustus Lewis S. Rose 1963-6-2 63082 Plumas 4 mi w Virgilia (East Branch North Fork Feather River); East Branch North Fork of Feather River 762 Comment
  POM147033  Penstemon deustus subsp. deustus Alice Eastwood 1927-06 14675 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  POM256003  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  JEPS11232  Penstemon deustus var. deustus W. L. Jepson 1939-7-31 19289 Plumas Meadow Valley 1524 Comment
  CDA18677  Penstemon deustus var. pedicellatus G. D. Barbe, T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC89807  Penstemon deustus var. pedicellatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CDA14661  Penstemon deustus var. suffrutescens G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CDA41880  Penstemon gracilentus L. Ahart, John Dittes 2005-9-2 12449 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
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Oct 5 2019
  CHSC92190  Penstemon gracilentus Lowell Ahart; John Dittes 2005-9-20 12449 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2049 Comment
  JEPS15078  Penstemon gracilentus E. Sawyer 1935-6-17 117 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 1798 Comment
  RSA88420  Penstemon gracilentus J. T. Howell 1951-6-28 27695 Plumas Eureka Peak 1982 Comment
  UC103032  Penstemon gracilentus D. Cleveland 1882-7-21 Plumas Prattville Comment
  SEINET10547991  Penstemon gracilentus Mary Susan Taylor 1981-7-21 Taylor 4094 Plumas T25N R11E nw sec 31, Spring Garden quad, in dry Red Fir Forest, between 25N18 and Squirrel Creek, ca. 0.5 mi SE of Taylor Rock, ca. 7 air mi N of Spring Garden. 6500 ft elev. 1981 Comment
  UC887039  Penstemon gracilentus M. and P. Ownbey 1938-7-14 1739 Plumas Comment
  JEPS11614  Penstemon laetus var. leptosepalus R. H. Platt 1891-1 Plumas near Prattville; Sierras, near Prattville Comment
  NY604458  Penstemon laetus var. leptosepalus R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  UCD169399  Penstemon neotericus L. P. Janeway 2001-8-5 7421 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  NY627282  Penstemon neotericus W. W. Eggleston 08 1911 7619 Plumas Prattville 1300 Comment
  UC423644  Penstemon neotericus David D. Keck 1930-7-24 958 Plumas halfway between Chester and Westwood; Sierra Nevada; between Chester & Westwood, Plumas Co. 1463 Comment
  CAS-BOT-BC239290  Penstemon newberryi var. berryi Ella Dales Cantelow 1942-5-11 3611 Plumas 1 1/2 mi. w. of Belden, Feather River Canyon 670 Comment
  CAS-BOT-BC239309  Penstemon newberryi var. berryi Rimo Bacigalupi 1927-7-8 1666 Plumas Near Camp Elwell (Gold Lake Region) 1889 Comment
  LA209544  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC88837  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1371 Comment
  CHSC89020  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1463 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
  CHSC113628  Penstemon roezlii Lowell Ahart 2014-8-31 19828 Plumas Strand, gravel bars along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  SEINET4207728  Penstemon roezlii Mikel R. Stevens 2011-8-27 217 Plumas 8 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.1 rd miles beyond Fingeboard Rd. Ca 8 air miles S of East Quincy.; 0 1930 Comment
  CHSC40931  Penstemon rydbergii K. R. Stern 1985-6-25 8266 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC239585  Penstemon rydbergii var. oreocharis Michael A. Vincent 1999-6-7 8523 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11 Comment
  CAS-BOT-BC239598  Penstemon rydbergii var. oreocharis David D. Keck 1928-6-16 447 Plumas Haskins Creek, near Buck's Ranch 1524 Comment
  CAS-BOT-BC239605  Penstemon rydbergii var. oreocharis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC33606  Penstemon rydbergii var. oreocharis M. S. Taylor; M. Foster 1981-6-10 3888 Plumas In Red Clover Valley, Overland Inc Ranch, ca. 300 yds se of corral, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckworth. 1676 Comment
  CHSC68884  Penstemon rydbergii var. oreocharis Vernon Oswald; Lowell Ahart 1997-6-24 8628 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  UC565594  Penstemon speciosus Herbert L. Mason 1924-6-15 1036 Plumas Graeagle near Blairsden; Graeagle (near Blairsden) Comment
  UCD127830  Perideridia bolanderi M. S. Taylor 1982-6-21 4706 Plumas Eureka Ridge Road (23N09), ca. 1/4 miles west of spring, White Cap, ca. 3 air miles southwest of Sloat. Comment
  UC1123118  Perideridia lemmonii E. Sawyer 1935-6-25 152 Plumas 1/2 mi n Crow; Plumas National Forest, Sierraville Quadrangle Comment
  RSA59673  Perideridia lemmonii E. K. Balls 1950-9-9 15741 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SEINET10906781  Perideridia parishii subsp. latifolia Mary Susan Taylor 1982-6-28 Taylor 4762 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-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-BC419235  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CHSC60157  Persicaria punctata L. P. Janeway 1992-7-1 4242 Plumas Plumas National Forest. North side of Middle Fork River along moist drainage of Bonta Creek across a gravel bar of the river (not flooded for several years). 1310 Comment
  CHSC32825  Petasites frigidus var. palmatus W. Michael Foster 1981-4-26 11 Plumas Along Thompson creek and the Quincy-La Porte rd., ca. 2 mi se of East Quincy. Flood plain. 1082 Comment
  CHSC21197  Phacelia hastata subsp. hastata F. T. Griggs; A. Pass 1975-7-17 226 Plumas Buck's Lake Forest Service Survery Comment
  RSA107454  Phacelia heterophylla subsp. virgata L. S. Rose 1955-7-19 55138 Plumas Beckworth Pass. 1494 Comment
  UC572379  Phacelia humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  SEINET5520643  Phacelia humilis A. A. Heller, P. B. Kennedy 1907-7-5 8738 Plumas Red Clover Valley Comment
  CDA14714  Phacelia mutabilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3230 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  SDSU6607  Phacelia mutabilis R. M Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River, .5 miles north of Chester, Ca. Comment
  SJSU14280  Phacelia mutabilis N. A. Hopkins 1989-5-27 1500 Plumas near Marble Hot Springs, NW corner Sierra Valley 1524 Comment
  CHSC58190  Phacelia procera Vernon H. Oswald; Lowell Ahart 1992-6-22 5010 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  UC586927  Phacelia procera Joseph Andorfer Ewan 1934-6-27 8189 Plumas on Mt. Elwell Trail 1/2 mi from Gold Lake Lodge Comment
  JEPS127034  Phacelia racemosa Lowell Ahart 2016-6-2 20915 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  CHSC24664  Phacelia vallicola Keith Lickey 1976-4-17 75 Plumas Hwy 70 at se entrance of Grizzly Dome Tunnel. Comment
  CAS-BOT-BC265830  Phalaris arundinacea John Thomas Howell; Gordon H. True 1967-7-9 43243 Plumas North Fork of Feather River at Belden, Sierra Nevada 685 Comment
  SEINET10855445  Phalaris arundinacea John Thomas Howell 1961-9-23 Howell 36827 Plumas Indian Valley, Sierra Nevada 1082 Comment
  RSA0046807  Philadelphus lewisii L. S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 915 Comment
  CHSC96985  Phleum pratense Lowell Ahart; Josephine Guardino 2007-7-21 14360 Plumas Along a small stream, near a spring, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  UCD89641  Phleum pratense R. Tofsrud 1948-8-1 s.n. Plumas Near Quincy. Comment
  UCR66513  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  CHSC21700  Phlox diffusa F. T. Griggs; A. Pass 1975-7-7 81 Plumas Gold and Silver Lakes. Comment
  SEINET10496849  Phlox diffusa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4337 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC1602184  Phlox hoodii subsp. canescens Mrs. M. H. Manning 1907-4-23 712 Plumas Warner Valley Comment
  RSA104879  Phlox hoodii subsp. hoodii Elizabeth Sprague 1956-6-2 s.n. Plumas Campground at Lake Amador Comment
  JEPS26692  Phlox speciosa subsp. nitida P. C. Hutchison 1961-6-9 2132 Plumas 0.4 mi e Dam and store; Round Valley Reservoir Comment
  CDA18697  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3704 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
  JEPS69998  Phlox speciosa subsp. occidentalis W. I. Follett 1934-5-27 14 Plumas Red Hill 1524 Comment
  UC1124210  Phlox speciosa subsp. occidentalis E. Sawyer 1935-5-21 19 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1584 Comment
  CAS-BOT-BC135162  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas top of hill, N & NE side of W flank of Wheeler Peak ridge, ca. 5 air mi N of Genesee 1981 Comment
  RSA129862  Phoradendron juniperinum C. W. Hanks 1934-9-10 77 Plumas S end of Dixie Valley. 1951 Comment
  HSC18708  Physocarpus capitatus L. S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 mi. S of Keddie 991 Comment
  CHSC33870  Pinus contorta subsp. murrayana M. S. Taylor 1981-5-10 3672 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USDS Work Center, between rd and lake, ca. 20 mi ne of Taylorsville. 1536 Comment
  SJSU735  Pinus contorta subsp. murrayana A. Retan 8/1941 Plumas Bucks Lake 1572 Comment
  CAS-BOT-BC73082  Pinus lambertiana Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1594 Plumas Butterfly Botanical Area, Fern Glen 1097 Comment
  SEINET5334638  Pinus lambertiana R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  CHSC55466  Pinus ponderosa Ben Cunningham 1991-4-20 26 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  HSC1545  Pinus sabiniana W. R. Rogers 1965-8-20 297 Plumas Bulk Collection # 37 Comment
  CAS-BOT-BC136577  Piperia leptopetala John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2226 Plumas Field redacted by CAS, contact the data manager for more information 1051 Comment
  CHSC50568  Piperia unalascensis L. P. Janeway 1990-7-2 3753 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  JEPS102656  Plagiobothrys cognatus Lowell Ahart 2001-8-29 9231 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC40765  Plagiobothrys cusickii Lowell Ahart 1985-7-3 5102 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC230974  Plagiobothrys hispidulus Lowell Ahart 1977-7-9 s.n. Plumas 6 miles N of La Porte 1800 Comment
  CAS-BOT-BC230967  Plagiobothrys hispidulus John Thomas Howell; H. Keith Wagnon 1980-5-27 53618 Plumas 1 mile W of Almanor 1386 Comment
  CAS-BOT-BC228461  Plagiobothrys mollis John Thomas Howell 1961-9-25 36950 Plumas Feather River bed, Portola 1478 Comment
  UC881339  Plagiobothrys mollis L. R. Miller 1936-6-14 Plumas Sierra Valley Comment
  RSA769814  Plagiobothrys scouleri var. cusickii L. Ahart 2008-9-10 15394 Plumas Below high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4.5 air miles north of La Porte 1538 Comment
  OBI20915  Plagiobothrys tenellus Lewis S. Rose 1967-5-6 67058 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  POM147053  Plagiobothrys torreyi Alice Eastwood 1927-06 s.n. Plumas On road from Chilcott, United States Forest Reserve Comment
  CHSC51502  Plagiobothrys torreyi var. diffusus Wayne Dakan 1978-7-17 Plumas [No county on label, but probably Plumas Co.]. Comment
  CHSC102054  Plantago lanceolata Lowell Ahart; John Dittes 2009-7-27 16193 Plumas On dry soil, on the south side of the poor dirt road, about 30 yards southeast of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  SEINET6167876  Platanthera dilatata M. J. Williams 1966-7-11 s.n. Plumas Jamison Creek, above Johnsville. 1676 Comment
  SEINET10470057  Platanthera dilatata var. leucostachys Mary Susan Taylor 1974-1 Plumas Comment
  CHSC62612  Platanthera leucostachys B. Castro; L. P. Janeway 1987-7-17 140 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98. 1584 Comment
  UC1134753  Platanthera sparsiflora A. E. Wieslander Jul 1929 125 Plumas Butterfly Experiment Area Plumas Forest, Susanville Quad. 1219 Comment
  CHSC97096  Plectritis macrocera Lowell Ahart; Josephine Guardino 2007-7-20 14319 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
  UC1094743  Plectritis macrocera Francia Chisaki 1956-6-1 899 Plumas 5.7 mi e of Virgilia (on Highway Alt. #40) Comment
  CHSC84504  Pleiacanthus spinosus John Dittes; Lowell Ahart 2003-8-8 2003 -87 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 5.7 air-miles southeast of Portola, ca. 3.4 air-miles south of Beckwourth, ca. 0.9 air-mile north of Dyson Lane. At east edge of Beckwourth-Calpine Road (A23). 1488 Comment
  CHSC21692  Poa F. T. Griggs; A. Pass 1975-8-7 313 Plumas Buck's Lake. Comment
  UCD92212  Poa W. A. Wagner 1919-5-25 265 Plumas Squirrel Creek, vicinity of Quincy. 1584 Comment
  CHSC87987  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11181 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2053 Comment
  JEPS102737  Poa bolanderi Lowell Ahart 2001-7-17 8897 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CDA18668  Poa bulbosa G. D. Barbe, T. C. Fuller 1982-6-15 3736 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC97605  Poa bulbosa Lowell Ahart; John Dittes 2007-6-16 14115 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC255091  Poa compressa David D. Keck 1944-7-8 5435 Plumas Dixie Canyon Store, 2 miles SW of Crescent Mills on Indian Creek 1066 Comment
  CAS-BOT-BC255097  Poa compressa John Thomas Howell 1951-6-27 27577 Plumas Johnsville 1584 Comment
  CAS-BOT-BC255100  Poa compressa John Thomas Howell 1977-6-20 52409 Plumas Below the high water line, on the peninsula of Lake Almanor 1371 Comment
  CAS-BOT-BC255124  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3.25 miles ENE of Beckwith Butte 1493 Comment
  CAS-BOT-BC247273  Poa palustris John Thomas Howell 1961-9-23 36852 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC247381  Poa pratensis Lloyd W. Swift 1931-6-8 41 Plumas Plumas National Forest, Green Flat 1828 Comment
  CAS-BOT-BC247392  Poa pratensis Walter Knight; Irja Knight 1967-5-22 1827 Plumas Butterfly Botanical Area and vicinity. Valley proper 1066 Comment
  UC1132702  Poa pratensis subsp. pratensis A. Lewis 1934-6-18 487 Plumas Little Grass Valley; 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
  SEINET7294007 Image available Poa secunda subsp. juncifolia P. B. Kennedy 1901-1 s.n. Plumas [R. R. Station, Constantia] Comment
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Feb 4 2016
  CAS-BOT-BC242970  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242988  Poa secunda subsp. secunda John Thomas Howell; et al. 1967-7-10 2178 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC100867  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2008-6-8 9396 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  UCD32540  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  UCD92021  Poa secunda subsp. secunda Gladys L. Smith 1959-6-20 1255 Plumas Plumas-Sierra County Line: Sierra Nevada. Gold Lake to Feather River route. 1828 Comment
  SEINET7294133 Image available Poa secunda subsp. secunda Lewis S. Rose 1954-1 54078 Plumas Beckwourth, desert slopes 1524 Comment
  SEINET7864145  Poa secunda var. secunda A. A. Heller, P. B. Kennedy 1907-7-3 8711 Plumas Hills above Red Clover valley Comment
  CHSC110758  Poa sierrae Dean Wm. Taylor 2011-8-1 21134 Plumas Sierra Nevada. 'Lewisia Rock', 4 miles west (downcanyon) from Belden (turnoff on Highway 70), Feather River Canyon 655 Comment
  CDA18765  Poa wheeleri G. D. Barbe, T. C Fuller 1982-7-16 3751 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
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  CAS-BOT-BC167539  Polygala cornuta var. cornuta John Thomas Howell 1966-7-26 42003 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  JEPS107704  Polygonum arenastrum Lowell Ahart, John Dittes 2005-9-19 12410 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1986 Comment
  CHSC76805  Polygonum aviculare L. P. Janeway 1997-9-29 5364 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Common along edge of dirt road. 944 Comment
  SEINET10479637  Polygonum confertiflorum Mary Susan Taylor 1982-6-10 Taylor 4633 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  JEPS87828  Polygonum davisiae Lowell Ahart 1994-7-20 7476 Plumas about 1/2 mi nw Mount Etna (n side of ridge, n of Pacific Crest Trail, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  UC584340  Polygonum davisiae G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2248 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  CAS-BOT-BC414551  Polygonum douglasii John Thomas Howell 1955-7-20 30866 a Plumas Mohawk 1371 Comment
  CAS-BOT-BC414557  Polygonum douglasii L. P. Janeway 1993-8-10 4517 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth 1487 Comment
  HSC17503  Polygonum douglasii L. S. Rose 1967-7-9 67142 Plumas Quincy 1037 Comment
  OBI10859  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy 1036 Comment
  CHSC70271  Polygonum douglasii subsp. douglasii B. Castro; R. Zebell 1989-8-9 377 Plumas Ca 6 air mi S of Bucks Lake, at edge of dirt road through Arkansas Ravine, ca 0.5 mi E of USFS Rd 23N18 across from Hardquartz Mine. 1524 Comment
  JEPS113594  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2007-7-20 14324 Plumas North of a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CHSC40622  Polygonum douglasii subsp. johnstonii Lowell Ahart; Jim Jokerst 1985-10-4 5193 Plumas Along the road, south of where the road crosses Onion Valley Creek at Onion Valley, about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CHSC45476  Polygonum douglasii subsp. johnstonii Lowell Ahart; John Thomas Howell 1977-8-2 1535 Plumas On a bare open mountain side, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  JEPS114412  Polygonum douglasii var. douglasii Lowell Ahart 2008-7-16 15095 Plumas West edge of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) nort 1597 Comment
  RSA0105473  Polygonum minimum Lowell Ahart 2014-8-31 19800 Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CDA13947  Polygonum parryi G. F. Hrusa 1997-6-26 13884 A 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
  CHSC91739  Polygonum polygaloides subsp. confertiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is 39deg 55' N; 120deg 11' W]. 1706 Comment
  CHSC97575  Polygonum polygaloides subsp. confertiflorum Lowell Ahart; John Dittes 2007-6-17 14203 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC419863  Polygonum polygaloides subsp. confertiflorum Anna Head 1921-1-1 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  SEINET3840887  Polygonum polygaloides subsp. esotericum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3846 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  SEINET10479788  Polygonum sawatchense Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5193 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC420216  Polygonum sawatchense subsp. sawatchense D. E. Breedlove 1962-6-12 3456 Plumas On bank of Jackson Creek. In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CHSC102016  Polygonum sawatchense subsp. sawatchense L. P. Janeway; B. Castro 2009-8-29 9939 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  CAS-BOT-BC237461  Polypogon viridis John Thomas Howell 1959-9-26 35069 Plumas Near Soda Spring, Feather River Canyon 682 Comment
  CDA9208  Polystichum imbricans D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .275 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  RSA718496  Polystichum imbricans L. Ahart 2006-10-23 13740 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek,, About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast o 1282 Comment
  JEPS120168  Polystichum imbricans subsp. curtum Lowell Ahart 2012-7-1 18247 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 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
  UC1523809  Polystichum imbricans subsp. imbricans Gary Schoolcraft 1982-8-2 842 Plumas w Crescent Mills 1219 Comment
  CHSC98323  Polystichum lemmonii L. P. Janeway 2007-6-3 9018 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC72508  Polystichum scopulinum John Thomas Howell; Gordon H. True 1967-7-11 43349 Plumas Summit ridge of Mt. Hough 2194 Comment
  JEPS104161  Polystichum scopulinum Lowell Ahart 2003-10-17 10647 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  UC1134807  Populus trichocarpa C. G. Albertus 1935-7-27 233 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle Comment
  UCSB22576  Populus trichocarpa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC452085  Potamogeton alpinus Fred Sommers; Greg Sommers 1976-6-7 119 Plumas Along Dyson Lane, 300 m W of metal bridge. Sierra Valley Marsh. 1524 Comment
  CHSC57113  Potamogeton natans L. P. Janeway; Garrett Gibson 1991-7-21 4081 Plumas Plumas National Forest. Grizzly Creek at Oldhouse Creek confluence. 1764 Comment
  RSA59666  Potamogeton natans E. K. Balls 1950-9-9 15733 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CAS-BOT-BC143431  Potentilla John Thomas Howell 1961-6-21 36703 Plumas Greenville 1097 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
  CHSC43734  Potentilla glandulosa subsp. ashlandica Vernon Oswald 1986-7-10 2194 Plumas Forest Service Rd. (Pacific Crest Trail) 1.9 mi w of LaPorte-Quincy Rd. Roadside. 1859 Comment
  UC1128244  Potentilla gracilis var. fastigiata A. Lewis 1934-6-12 483 Plumas Little Grass Valley Plumas National Forest, Downieville quad 1524 Comment
  CAS-BOT-BC540073  Potentilla gracilis var. fastigiata Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC540082  Potentilla gracilis var. fastigiata Alice Eastwood 1927-6-27 14870 Plumas Chilcott Comment
  CHSC53705  Potentilla millefolia L. P. Janeway 1989-7-18 3494 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.7 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. Along edge of meadow. 1706 Comment
  CAS-BOT-BC158520  Potentilla millefolia M. S. Taylor 1982-5-7 4420 Plumas Plumas National Forest/Beckwourth RD Expt. Area. Clover Valley Ranch in Red Clover Valley 1676 Comment
  SBBG3116  Poterium sanguisorba H. and M. Dearing 1938-6-25 2261 Plumas near Greenville Comment
  SD6644  Prunella vulgaris Daniel Cleveland 1882-7-20 Plumas Big Meadows Comment
  CHSC20841  Prunella vulgaris var. lanceolata K. R. Stern 1975-7-24 5814 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC70802  Prunella vulgaris var. lanceolata B. Castro; R. Zebell, R. Fallscheer 1989-8-15 395 Plumas Ca 6 air mi S of Bucks Lake, ca 0.3 mi SE of jcn USFS Rds 23N15 and 23N70, ca 100 ft E of Rd 23N70 by small pond. 1670 Comment
  RSA59693  Prunella vulgaris var. lanceolata E. K. Balls 1950-9-9 15763 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC158594  Prunus John Thomas Howell 1959-9-24 34940 Plumas Butterfly Creek near mouth Comment
  SD8440  Prunus emarginata Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CAS-BOT-BC154847  Prunus virginiana var. demissa Clare B. Hardham 1975-8-2 20457 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  JEPS110517  Pseudognaphalium luteoalbum Lowell Ahart 2006-10-23 13474 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  CAS-BOT-BC357349  Pseudognaphalium microcephalum John Thomas Howell 1951-8-19 28173 Plumas Near Paxton 914 Comment
  JEPS17911  Pseudognaphalium thermale Rimo Bacigalupi 1955-7-22 5437 Plumas Tobin Feather River Canyon, Tobin 548 Comment
  CDA13388  Pseudostellaria jamesiana G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13237 Plumas Sierra Nevada; Above headwaters of Bull Run Creek off USFS 23N12E. Comment
  JEPS102586  Pseudostellaria jamesiana Lowell Ahart 2001-7-17 8905 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC98375  Pseudostellaria sierrae Dean Wm. Taylor 2004-5-26 19074 Plumas Round Valley Reservoir, along Forest Road 26N94Y 0.4 miles east of junction with County Road 204 (Dixie Canyon Road), eastern limits of Cherokee Mine (site). 1402 Comment
  JEPS109806  Pseudostellaria sierrae Dean W. Taylor 2004-5-26 19074 Plumas Round Valley Reservoir, along Forest Road 26N94Y 0.4 miles east of junction with County Road 204 (Dixie Canyon Road), eastern limits of Cherokee Mine (site) 1402 Comment
  RSA0006061  Pseudostellaria sierrae Richard K. Rabeler, Barbara Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Road), 1.95 mi N of CA 89, W of Crescent Mills. 1462 Comment
  JEPS115099  Pseudotsuga menziesii var. menziesii Lowell Ahart, John Dittes 2009-7-13 16058 Plumas East side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  NY63887  Pseudotsuga menziesii var. menziesii E. Fritz 1936-1-28 8209 Plumas Comment
  UC177449  Psilocarphus brevissimus var. brevissimus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  HSC101677  Pterospora andromedea Dillon North Davis 2013-7-10 37 Plumas 9.1 miles south on FS Road 25N17 from intersection with Highway 70, ~200 m south of large hairpin turn Comment
  SD8436  Purshia tridentata Mrs. R. M. Austin 1880-1 Plumas Bis Meadows Comment
  CAS-BOT-BC147868  Purshia tridentata var. tridentata John Thomas Howell 1960-7-19 35686 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC147876  Purshia tridentata var. tridentata John Thomas Howell 1962-6-17 37692 Plumas Portola 1463 Comment
  UCSB22313  Purshia tridentata var. tridentata Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  RSA286337  Pycnanthemum californicum Robert F. Thorne 1974-7-30 45005 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  CAS-BOT-BC460824  Pyrola aphylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54226 Plumas Sierra Nevada: abuot 5 miles SE of Mt. Hough on the road to Quincy 1584 Comment
  RSA0080594  Pyrola dentata L. Ahart, John Dittes 2009-7-14 16065 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  CHSC28925  Pyrola picta L. Hanson 1979-7-23 55 Plumas On ridge south of Coldwater Creek near intersection of roads to Kellogg Lookout and to Mt. Ararat. Comment
  UC914186  Pyrola picta H. S. Reed 1941-8-2 Plumas Forest Lodge Comment
  CAS-BOT-BC466111  Pyrola picta F. B. Cayot 1913-8-12 30 Plumas Plumas Forest, Smith's Peak 2133 Comment
  CHSC91899  Pyrrocoma carthamoides var. cusickii Lowell Ahart; Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS107610  Pyrrocoma carthamoides var. cusickii Lowell Ahart, Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CAS-BOT-BC328161  Pyrrocoma lucida L. S. Smith 1932-9-19 2726 Plumas Beckwith Meadow, Tahoe National Forest Comment
  JEPS100327  Pyrrocoma lucida Dean Wm. Taylor and Barbara Ertter 2001-7-18 17833 Plumas Diamond Mountains, meadow tributary to Little Doyle Creek (ca. 1.5 miles N of upper end of Frenchman Reservoir), along Forest Road 25N71 1.4 miles East of Forest Road 25N11 1783 Comment
  JEPS100331  Pyrrocoma lucida Dean W. Taylor 2001-7-19 17836 Plumas Frenchman Lake, along road on west side of reservior about 0.7 miles South of Grisby Creek 1706 Comment
  CHSC69123  Pyrrocoma racemosa var. paniculata Vernon Oswald; Beth Corbin, Gary Schoolcraft 1997-8-5 8811 Plumas Hay Meadow north of Lake Almanor near the southeast corner of the Caribou Wilderness. 1950 Comment
  CAS-BOT-BC362342  Pyrrocoma racemosa var. paniculata G. Schoolcraft 1997-8-5 2628 Plumas W. of Co. Rd. A-1 near Swain Meadow 1767 Comment
  SEINET13710601  Pyrrocoma uniflora Lowell William Ahart, Lowell William Ahart 2001-1 9269 Plumas Little Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) Comment
  CHSC9719  Quercus chrysolepis Nancy Mosman 1971-7-11 86 Plumas Along w side of Hwy 70 ca. 0.2 mi s of the Belden turnoff. 1025 Comment
  RSA622139  Quercus chrysolepis J. M. Tucker 1948-7-25 1750 Plumas 1.3 mi. east of Camp 18, area of Camel's Peak. 1220 Comment
  CAS-BOT-BC93980  Quercus durata John Thomas Howell 1959-9-21 34788 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
  CAS-BOT-BC94264  Quercus garryana John Thomas Howell 1959-9-26 35067 Plumas near Virgilia 838 Comment
  UCD169277  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8995 Plumas Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  JEPS38056  Quercus garryana var. semota W. I. Follett 1933-7-18 Plumas Rich Gulch 1173 Comment
  UCD46126  Quercus garryana var. semota John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon, Plumas Co. 853 Comment
  HSC31106  Quercus vacciniifolia R. F. Thorne, C. W. Tilforth 1969-9-6 39221 Plumas 2.5 mi S of Graeagle on Gold Lake Rd. 1646 Comment
  RSA654745  Quercus vacciniifolia J. M. Tucker 1948-7-25 1736 Plumas Summit of 'Lava Cap,' ca. 1 mile south of Cascade. 1436 Comment
  UC1135796  Quercus vacciniifolia F. W. Embree 1934-6-6 79 Plumas 1 mi s, 0.25 mi w Rutherford; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  SD8188  Ranunculus alismifolius Mrs. R. M. Austin 1879-1 Plumas Big Meadows 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
  POM99957  Ranunculus alismifolius var. alismellus Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC1509629  Ranunculus alismifolius var. alismifolius L. and P. Ahart 1983-8-17 4338 Plumas near Onion Valley (w of Pilot Peak, near the Quincy-LaPorte Rd, ne of La Porte) 2000 Comment
  CAS-BOT-BC379213  Ranunculus aquatilis Gordon H. True; John Thomas Howell 1968-6-10 44546 Plumas Quincy 488 Comment
  SD8190  Ranunculus aquatilis Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadfows Comment
  CHSC46710  Ranunculus aquatilis var. diffusus V. Oswald; W. Dempsey 1989-8-24 3966 Plumas Domingo Spring, ca. 8 mi wnw of Chester. In Domingo Creek. 1560 Comment
  CAS-BOT-BC379244  Ranunculus aquatilis var. diffusus M. S. Taylor 1982-5-16 4455 Plumas aquatic in creek crossing road, ca. 0.125 mi E of Hwy 89, ca. 0.25 mi N of Graeagle, in Mohawk Valley Comment
  HSC18120  Ranunculus aquatilis var. diffusus W. R. Rogers 1966-7-6 208 Plumas Ramelli Creek 1982 Comment
  JEPS86268  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  RSA726542  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2007-6-17 14163 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  UC118218  Ranunculus flammula Mrs. R. M. Austin 1881-1 Plumas Comment
  JEPS115116  Ranunculus flammula var. ovalis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16240 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC60488  Ranunculus glaberrimus var. ellipticus L. P. Janeway 1992-4-2 4146 Plumas Plumas National Forest. West side of Claireville Flat; 1/3 mi southeast of Hwy 70 and 3/4 mi northwest of Middle Fork Feather River. 1484 Comment
  CHSC89337  Ranunculus orthorhynchus var. orthorhynchus G. D. Barbe; T. C. Fuller 1982-6-16 3787 Plumas Northern California. Plumas National Forest. Meadow below Mud Lake, 3/4 mi NE of Eisenheimer Peak. [Lat./long. on label is '40 10 N; 120 43 W']. 2097 Comment
  POM186453  Ranunculus repens D. D. Keck 1932-7-3 1678 Plumas Quicy, along Spanish Creek, in the Northern Sierra Nevada. Comment
  SBBG30507  Ranunculus uncinatus D. Myrick 1968-6-18 1936 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC59568  Rhamnus John Thomas Howell 1976-7-20 52037 Plumas Sierra Nevada - south end of Lake Almanor 1371 Comment
  UC1121732  Rhamnus californica D. Axelrod 1934-6-6 9 Plumas sw of La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  NY42173  Rhamnus purshiana J. B. Walker 1994-8-2 862 Plumas 2km N of Quincy, on Rt 70 1200 Comment
  RSA169466  Rhamnus purshiana L. S. Rose 1963-6-3 63115 Plumas Butterfly Valley, 2 miles SW of Keddie. 1189 Comment
  JEPS41962  Rhamnus rubra W. L. Jepson 1918-8-16 8004 Plumas Engels Lights Creek 1341 Comment
  HSC7836  Rhododendron columbianum L. S. Rose 1969-6-24 69052 Plumas Butterfly Valley, 5 mi. W of Keddie 1311 Comment
  UC1075702  Rhododendron occidentale Robert J. Weatherby 1955-6-16 1531 Plumas above Virgilia (Feather River Canyon, Head of Berry Creek); Feather River Canyon, Berry Creek 1524 Comment
  CAS-BOT-BC111878  Rhynchospora alba Walter Knight; Irja Knight 1966-6-18 1340 Plumas Butterfly Valley, near spring. 1127 Comment
  RSA246600  Rhynchospora capitellata Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42344 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  CHSC60902  Ribes montigenum Vernon H. Oswald 1993-7-1 5630 Plumas Lassen Volcanic National Park. Creek on the E side of Juniper Lake Rd., ca. 1.0 mi N of the Park boundary. Twigs from a shrub ca. 8 dm tall growing among rocks on the E bank of the creek. 2029 Comment
  CDA14751  Ribes nevadense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3309 Plumas Diamond Mountain Road 1.4 miles north-northeast of Engle Mine townsite. 1295 Comment
  CHSC10767  Ribes nevadense Lowell Ahart 1969-5-18 Plumas Slate Creek, 10 miles south of La Porte. 914 Comment
  JEPS106029 Image available 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
  UC1075910  Ribes nevadense E. K. Balls and L. W. Lenz 1955-5-14 20704 Plumas 1 mi ne U.S. Hwy. 40 alt. (along Hwy. 89 toward Lake Almanor) 670 Comment
Read comments
Mar 29 2016
  SBBG22416  Ribes roezlii C. B. Hardham 1961-6-16 7438 Plumas Diamond Peak [Diamond Mountain] Comment
  SEINET5339777  Ribes roezlii L. Miller 1929-6-12 s.n. Plumas 5 miles SW of Blairsden Comment
  CAS-BOT-BC186219  Ribes roezlii var. roezlii Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC186228  Ribes roezlii var. roezlii Anna Head 1921-8-31 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC186232  Ribes roezlii var. roezlii Gladys L. Smith 1976-6-7 4606 Plumas South end section of summit ridge, secondary road from Feather River Route 70 to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CHSC87612  Ribes roezlii var. roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  RSA0018271  Ribes roezlii var. roezlii Louis C. Wheeler 1958-7-29 7341 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  SD8337  Ribes viscosissimum Mrs. R. M. Austin 1878-1 Plumas Mt. Dyer Comment
  CAS-BOT-BC363064  Rigiopappus leptocladus John Thomas Howell 1967-6-23 s.n. Plumas Butterfly Valley 1036 Comment
  RSA523304  Rigiopappus leptocladus J. L. Strother 1987-6-28 1358 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  CAS-BOT-BC74633  Rorippa curvisiliqua Anna Head 1920-8-3 s.n. Plumas Feather River Region. Lake Center Camp. 1920 Comment
  CDA18592  Rorippa curvisiliqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3273 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  UC1126728  Rorippa curvisiliqua E. Sawyer 1935-6-27 183 Plumas 1.6 mi ene Grizzly Peak; Sierraville Quad., Plumas National Forest Comment
  CAS-BOT-BC74636  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  CHSC102130  Rorippa curvisiliqua var. curvisiliqua Lowell Ahart; John Dittes 2009-7-27 16166 Plumas On damp soil, bottom of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC87832  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10999 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
  CAS-BOT-BC148173  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-7-12 2112 Plumas At spring - Butterfly Botanical Area and vicnity 1127 Comment
  JEPS102516  Rosa gymnocarpa Lowell Ahart 2001-9-18 9270 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  JEPS115859  Rosa gymnocarpa Lowell Ahart, John Dittes 2009-7-15 16078 Plumas Along a small wash, south side of Forest Service Road 27N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1677 Comment
  JEPS45671  Rosa gymnocarpa W. L. Jepson 1924-7-22 10605 Plumas Rich Point Middle Fork Feather River 914 Comment
  JEPS99062  Rosa gymnocarpa Lowell Ahart 2002-7-6 9854 Plumas On the NW side of Axford Creek, about 300 yards NE of the gravel road, about 1 1/4 mile (air) east of the Robinson Mine, about 2 miles (air) SW of Grizzly Mountain, about 4 miles (air) SW of Haskins Valley and Bucks Lake. 1648 Comment
  OBI30645  Rosa gymnocarpa Bernie Smith 1966-7-26 184 Plumas 22N-7e-34 at Pinchard Crk Forest Svc Camp Comment
  CHSC81152  Rosa pisocarpa subsp. ahartii Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC149730  Rosa woodsii subsp. ultramontana Alice Eastwood 1927-6-12 14508 Plumas Forest Camp, Greenville, United States Forest Reserve Comment
  SBBG121284  Rosa woodsii subsp. ultramontana L. Ahart, J. Guardino 2007-7-20 14323 Plumas E of Lightning Tree Cmpgrd, E of paved rd, E side of Lake Davis 1789 Comment
  JEPS104635  Rosa woodsii var. ultramontana Lowell Ahart 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, ca 2 1/4 mi (by road) e of Beckwourth Calpine Rd, ca 4 mi (air) se of Beckwourth, Sierra Valley. 1527 Comment
  RSA88545  Rosa woodsii var. ultramontana J. T. Howell 1951-6-28 27664 Plumas Jamison Creek Canyon 1585 Comment
  SEINET7704117  Rosa woodsii var. ultramontana W. Harnach, N. Harnach 1990-6-27 422 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and R/R. 1487 Comment
  CHSC101912  Rubus leucodermis Lowell Ahart; John Dittes 2009-7-14 16071 Plumas On the south side of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC107911  Rudbeckia occidentalis L. P. Janeway; B. Castro 2011-9-11 10718 Plumas Northern High Sierra Nevada. Between road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. Steep south-facing slope of blocky basalt bedrock. 1570 Comment
  SD7885  Rumex acetosella Mrs. R. M. Austin unknown Plumas American Valley Comment
  CAS-BOT-BC422047  Rumex acetosella Walter Knight; Irja Knight 1966-6-18 1311 Plumas Butterfly Valley 1036 Comment
  RSA0039546  Rumex acetosella Lowell A. Ahart 2008-8-13 15182 Plumas On the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  SEINET4183209  Rumex maritimus var. fueginus M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 70 -4 Plumas East side of Frenchman's Reservoir 1707 Comment
  CAS-BOT-BC434307  Rumex triangulivalvis John Thomas Howell 1960-7-22 35891 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC434301  Rumex triangulivalvis D. E. Breedlove 1962-6-12 3443 Plumas On northern bank of Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  CAS-BOT-BC267076  Sagittaria John Thomas Howell 1961-9-23 36853 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC445748  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1391 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  RSA508617  Sagittaria latifolia Mrs. R. M. Austin 1880-07 s.n. Plumas Big Meadows. Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103632  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas on way to Grass Lake, Gold Lake Region Comment
  CHSC54416  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located on the south border of the park, ca. 2.5 miled (air) south-southeast of Drakesbad. 1828 Comment
  UC1134847  Salix eastwoodiae G. T. Nordstrom 1934-7-20 240 Plumas at Silver Lake Dam Silver Lake Dam; Bidwell Bar Quadrangle Comment
  UC726951  Salix eastwoodiae A. A. Heller 1942-8-3 16513 Plumas at drinking fountain above Little Hot Springs Valley; Lassen Park Comment
  CAS-BOT-BC103876  Salix exigua John Thomas Howell; H. Keith Wagnon 1980-5-26 53592 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 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
  UC525903  Salix geyeriana C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather River about 5 miles southwest of Prattville Comment
  UC525905  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather R. ca. 5 mi s.w. of Prattville Comment
  CAS-BOT-BC107852  Salix gooddingii John Thomas Howell 1959-9-21 34768 Plumas Bars of N. Fork Feather River near Belden - Sierra Nevada 701 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-BC125326  Salix lasiandra var. lasiandra Ella Dales Cantelow 1940-5-11 4330 Plumas Nr. Ford at Meadow Valley Creek Comment
  CAS-BOT-BC128426  Salix lasiolepis var. lasiolepis Wayne Dakan 1974-9-1 s.n. Plumas Feather River Canyon near Tobin 611 Comment
  CAS-BOT-BC124787  Salix lemmonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2398 Plumas Butterfly Botanical Area Comment
  JEPS14800  Salix lemmonii W. L. Jepson 1910-6-5 4066 Plumas Warner Valley 1524 Comment
  RSA11885  Salix lemmonii Elmer I. Applegate 1929-6-21 5784 Plumas Between Kelly's Camp and Drakesbad. Comment
  CAS-BOT-BC125111  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC1134924  Salix ligulifolia D. Axelrod 1934-6-12 36 Plumas 1 mi. s. Fowler Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC129384  Salix melanopsis John Thomas Howell 1959-9-21 34769 Plumas Bars of N. Fork Feather River near Belden - Sierra Nevada 701 Comment
  CHSC76144  Salix melanopsis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3316 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek. 1341 Comment
  LA208872  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N fork of Feather River, at Chester, at hwy bridge 1350.0 Comment
  UC482038  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
  CAS-BOT-BC129097  Salix scouleriana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54362 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy - Sierra Nevada 1600 Comment
  UC1135079  Salix scouleriana G. T. Nordstrom 1934-7-17 231 Plumas 1 1/2 mi. s & 1/2 mi. e. Buck's Mt.; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC238840  Sambucus nigra subsp. caerulea John Thomas Howell 1977-6-21 52375 Plumas Seneca 1097 Comment
  JEPS2843 Image available Sanicula bipinnatifida var. flava A. A. Heller 1913-6-13 10839 Plumas near Marston Station; ; Near Marston Station, Plumas Co. 1066 Comment
  CHSC99823  Sanicula graveolens Lowell Ahart 2008-7-16 15099 Plumas Dry open area, west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1532342  Sanicula graveolens Vernon Oswald 1986-6-6 2084 Plumas La Porte--Quincy Rd at S Fork of the Feather River 1965 Comment
  UC2029091  Sanicula graveolens Barbara Ertter with Gary Schoolcraft 1990-5-14 8972 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. Comment
  UC1542920  Sanicula tuberosa G. Schoolcraft 1987-6-17 1740 Plumas about 2 mi N of Chester 1402 Comment
  JEPS25809  Sanicula tuberosa John W. Duffield 1937-5-27 Plumas Meadow Valley, Grubstake Flats, southwestern Plumas County Meadow Valley; , Grubstake Flats Comment
  SEINET10454588  Sanicula tuberosa Mary Susan Taylor 1981-5-8 Taylor 3658 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CHSC42855  Saxifraga nidifica var. nidifica Lowell Ahart 1987-5-19 5657 Plumas Near a small meadow, near the South Fork of the Feather River, about 1/2 mile northeast of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  UCD65599  Schedonorus pratensis B. Corbin 2001-6-7 1008 Plumas North of Chilcoot. 1627 Comment
  CHSC61070  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-3 5762 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, near the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CAS-BOT-BC111571  Schoenoplectus americanus John Thomas Howell 1960-7-19 35642 Plumas Wet slope near hot springs, Drakesbad. Plants of Lassen Volcanic National Park. Comment
  JEPS63966  Scirpus microcarpus W. I. Follett 1937-6-18 82 Plumas Rich Gulch Comment
  SEINET8020032  Scutellaria angustifolia subsp. micrantha A. A. Heller, P. B. Kennedy 1907-7-11 8798 Plumas Sierra Nevada, Prattville. Comment
  UC1585915  Scutellaria antirrhinoides Barbara Ertter 1989-7-4 8684 a Plumas sw of Chester (2.2 mi w of jct with Hwy 89 and Hwy 36) 1463 Comment
  CHSC62117  Scutellaria californica L. P. Janeway 1993-6-30 4409 Plumas Plumas National Forest. Along Hwy 70 in canyon of East Branch North Fork Feather River, 2.9 mi southwest of Hwy 89. 868 Comment
  JEPS26912  Sedum albomarginatum C. H. Uhl 965 a Plumas 2.9 mi e of Rich Bar 6.8 mi e Belden (Feather River Canyon, serpentine cliff on n side East Branch North Fork Feather R); Feather River Canyon, East Branch North Fork Feather River Comment
  SEINET10449670  Sedum obtusatum subsp. boreale Mary Susan Taylor 1982-7-12 Taylor 4823 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  CAS-BOT-BC63847  Sedum spathulifolium Mary Strong Clemens 1919-11-1 s.n. Plumas Taylorsville Comment
  CHSC32832  Sedum spathulifolium W. Michael Foster 1981-4-26 17 Plumas Along either side of Buck's Creek, ca. 1/4 mi above confluence with the North Fork of the Feather River, ca. 24 mi w of Quincy. 579 Comment
  SEINET10841388  Sedum spathulifolium subsp. purdyi Mary Susan Taylor 1982-6-23 Taylor 4716 Plumas T23N R11E center sec 18. Blue Nose Mt quad. Both sides of 23N10-Peoria Cr Rd, 0.3 mi w of Peoria Cr, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET6340525  Selaginella watsonii H. N. Mozingo 1977-6-14 77 -37 Plumas 1.2 mile inside Plumas Co. border along Rt. 70. Comment
  SEINET10472840  Senecio Mary Susan Taylor 1981-7-21 Taylor 4079 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  UC384669  Senecio aronicoides E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC341175  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek 1767 Comment
  UC91664  Senecio hydrophilus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC363733  Senecio hydrophilus M. S. Taylor 1982-9-8 5121 Plumas N end of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CAS-BOT-BC363794  Senecio integerrimus Ben Beard; J. D. Schoeller No date on label 403 Plumas Plumas National Forest. Last Chance near McDermott Pasture 1676 Comment
  CAS-BOT-BC363925  Senecio integerrimus var. exaltatus Roxana S. Ferris 1952-5-18 12490 Plumas 1.5 miles north of Greenville 1097 Comment
  SEINET10474913  Senecio integerrimus var. exaltatus Mary Susan Taylor 1982-5-7 Taylor 4416 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  RSA0091373  Senecio integerrimus var. integerrimus Bonnie C. Templeton 1968-1 11287 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC364173  Senecio serra H. M. Hall; E. B. Babcock 1903-7-1 4459 Plumas Sierra Nevada Mountains. Red Clover Creek 1676 Comment
  CAS-BOT-BC240246  Setaria viridis John Thomas Howell 1961-9-22 36806 Plumas Greenville 1088 Comment
  CHSC68368  Sidalcea gigantea L. P. Janeway 1996-8-15 5069 Plumas Along the Oroville-Quincy Hwy, 1.1 mi west of Grizzly Creek; between the road and Little Grizzly Creek. 1645 Comment
  UC1873584  Sidalcea gigantea L. P. Janeway 1996-8-15 5069 Plumas Along the Oroville-Quincy Hwy, 1.1 mi west of Grizzly Creek; between the road and Little Grizzly Creek 1645 Comment
  CAS-BOT-BC278072  Sidalcea glaucescens Steven R. Hill; et al. 2010-7-17 38559 Plumas About 0.8 kilometers south of the southeast corner of LIttle Grass Valley Reservoir; alongside road 90 meters southeast of the main road from La Porte to reservoir. Plumas National Forest, South Fork Feather River headwaters near campground 1562 Comment
  CHSC21810  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-7-29 256 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC75512  Sidalcea glaucescens G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3060 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UC511308  Sidalcea glaucescens Lyman Benson 1932-7-29 3980 Plumas Buck Lake Sierra Nevada, , Feather River (Feather River) 2133 Comment
  RSA59425  Sidalcea glaucescens E. K. Balls 1950-9-15 15857 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  UCD116648  Sidalcea glaucescens Elaine A. Ahrenholz 1962-5-5 51 Plumas 1 mile north of Greenville. 1066 Comment
  RSA87484  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-25 19625 Plumas Feather River Canyon, 10 miles west of junction with Highway #89. Comment
  RSA59405  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-8 15720 Plumas Lakes Center Public Campground 2043 Comment
  UC1950103  Sidalcea oregana subsp. spicata Barbara Ertter 1988-7-25 7843 Plumas DIamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct Comment
  CAS-BOT-BC384601  Silene dichotoma G. L. Stebbins 1970-7-24 7071 Plumas Blairsden 1341 Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  CHSC41377  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  CDA14135  Silene lemmonii G. F. Hrusa 1997-5-3 13825 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. 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
  POM161747  Silene lemmonii Rimo C. Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  CAS-BOT-BC389403  Silene lemmonii Alice Rosenberg 1917-6-22 s.n. Plumas Blairsden Comment
  CAS-BOT-BC389561  Silene nuda Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  NY342641  Silene occidentalis R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  CHSC34329  Sisymbrium altissimum L. Ahart 1981-9-6 3093 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC36945  Sisymbrium altissimum M. S. Taylor 1982-9-13 5132 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  UC1126786  Sisymbrium altissimum C. W. Hanks 1934-8-6 4 Plumas ne part of Sierra Valley, Plumas National Forest Sierra Valley; Plumas National Forest, Sierra Valley 1554 Comment
  CAS-BOT-BC75123  Sisymbrium altissimum Lowell Ahart 1981-9-6 3093 Plumas Sierra Nevada. 1.5 mile southwest of Crescent Mills. 1200 Comment
  UCD115461  Sisymbrium altissimum E. K. Balls 1950-9-15 15853 Plumas south tip of Lake Almanor by PG and E Station, Highway 89. 1371 Comment
  RSA88404  Sium suave J. T. Howell 1951-8-20 28217 Plumas Genesee 1128 Comment
  RSA31230  Solidago canadensis subsp. elongata Joseph A. Ewan 1934-7-19 8252 Plumas Dentens, Mohawk Valley. 1616 Comment
  CAS-BOT-BC365511  Solidago elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy 1036 Comment
  CAS-BOT-BC365517  Solidago elongata Clare B. Hardham 1978-8-11 21769 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC45012  Solidago elongata Lowell Ahart 1976-9-28 1211 Plumas At Turkey Town, about 12 air miles north-east of La Porte. 1828 Comment
  CHSC97247  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
  CHSC20801  Solidago guiradonis K. R. Stern 1975-7-24 5838 Plumas E shore of Lake Almanor. 1371 Comment
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Sep 15 2009
  RSA754538  Solidago spectabilis L. Ahart, John Dittes 2009-7-28 16205 Plumas Meadow SE of powerline, 500 feet SE of Forest Service Road 27N28Y, slope N of Ohio Creek, 2.6 air miles NW of butt Valley Reservoir Dam. 1512 Comment
  CAS-BOT-BC365116  Solidago velutina subsp. californica John Thomas Howell 1959-9-24 34913 Plumas Crescent Mills 1066 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
  RSA716417  Sorbus scopulina var. cascadensis L. Ahart, J. Dittes 2005-9-19 12381 Plumas On the S side of Taylor Lake. About 6 miles (air) SW of Antelope Lake. 2081 Comment
  SD6462  Sparganium emersum Daniel Cleveland 1882-7-27 Plumas Big Meadows Comment
  CHSC61588  Sparganium emersum subsp. emersum L. P. Janeway 1992-9-16 4314 Plumas Plumas National Forest. Middle Fork Feather River 1 1/2 mi west of Beckwourth. Along the river. 2133 Comment
  SEINET3825673  Sparganium eurycarpum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1461 Plumas Marshy pond on southeastern side of Portola Comment
  SEINET8883968  Spergularia marina W. Harnach, N. Harnach 1990-4-18 258 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CAS-BOT-BC374766  Sphaeromeria potentilloides var. potentilloides A. A. Heller; P. B. Kennedy 1907-7-2 8679 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  CHSC34265  Sphenosciadium capitellatum M. S. Taylor 1981-7-27 4120 Plumas Along spring crossing Beckwourth-Genessee Rd, between Crystal and Meadow creeks, ca. 2 mi S of Notson bridge, ca. 17 air mi NE of Blairsden. 1737 Comment
  RSA59345  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas Lakes Center Public Campground. 2043 Comment
  OBI9965  Spiraea densiflora Lewis S. Rose 1966-7-27 66059 Plumas Butterfly Valley; 3 mi W of Keddie 1067 Comment
  CAS-BOT-BC149660  Spiraea douglasii Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC66641  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8025 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along the lake. 1371 Comment
  POM183489  Spiraea douglasii J. G. Lemmon s.n. Plumas American and Indian Valleys. Comment
  POM274918  Spiraea douglasii Lyman D. Benson 1932-7-29 4004 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UCD147802  Spiraea douglasii Allyson Ayalon; Lucie Jerabkova 2012-8-1 155 Plumas Plumas County. Antelope Lake vacinity. 1524 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
  SEINET7707723  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UC1192307  Spiranthes stellata Malcolm A. Nobs and S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley; bog and marsh Comment
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Sep 30 2013
  SJSU13918  Stachys pilosa N. A. Hopkins 1985-8-27 1314 Plumas SE side of Grass L 1786 Comment
  RSA0106526  Stachys rigida Lowell Ahart 2014-8-24 19745 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. 1534 Comment
  SBBG32392  Stachys rigida L. S. Rose 1966-7-27 Plumas Butterfly Crk, 2 mi S of Keddie 1005 Comment
  SBBG128047  Stachys rigida L. Ahart, J. Dittes 2009-7-27 16168 Plumas small dam, headwaters of Grizzly Gulch, 2.1 mi NE of Butt Valley Reservoir Dam 1479 Comment
  SEINET7977076  Stachys rigida var. rigida A. A. Heller, P. B. Kennedy 1907-7-8 8767 Plumas Near Greenville Comment
  CAS-BOT-BC175329  Stellaria borealis subsp. sitchana John Thomas Howell 1960-7-21 35846 Plumas NW. of Willow Lake, Lassen Volcanic National Park 1676 Comment
  CHSC63218  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS95377  Stellaria crispa Lowell Ahart 1994-6-17 7356 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  UCR263620  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas Northern Sierra Nevada Mountains, north-east of Frenchman Hill, south-west of Bucks Lake 1707 Comment
  SJSU8525  Stellaria longipes subsp. longipes T. L. Erwin 1963-8-20 Plumas 7 mi NW of Chester on Benner Cr, S slope Mt Harkness 1676 Comment