Search Results — 2000 specimen records retrieved (1440 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
  HSC1339  Abies concolor W. R. Rogers 1966-6-20 239 Plumas Spring Creek Comment
  JEPS104251  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas Ca 40 yd s of the road to Tamarack Flat, on n side of a small branch of Fall River, ca 1/8 mi w of intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte 1714 Comment
  NY29140  Abies concolor H. E. Brown 1897-8-1 671 - Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY29141  Abies concolor H. E. Brown 1897-8-1 671 - Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134161  Abies concolor John M. Tucker 1948-7-24 1732 Plumas Ca. 1/2 mi. northeast of Camel Peak. Comment
  CAS-BOT-BC78092  Abies magnifica John Thomas Howell; Gordon H. True 1967-7-11 43329 Plumas Summit ridge of Mt. Hough 2194 Comment
  SEINET196507 Image available Acer glabrum J. M. Tucker 1948-7-25 1737 Plumas At mine of United Mining Co. Pinchard Creek, southwest side of Camel Peak 1520 Comment
  JEPS48675  Acer glabrum Esther C. Fritz 1933-7-2 Plumas Highway above Meadow Valley (near spring); highway above Meadow Valley, near spring Comment
  UCR3601  Acer glabrum subsp. torreyi Wm. Horn Jr. 1963-6-29 630629- 01 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC330981  Acer glabrum var. glabrum Lowell Ahart 1989-7-2 6348 Plumas NW side of Pilot Peak, about 10 miles NE of La Porte 2133 Comment
  CHSC21552  Acer glabrum var. torreyi D. E. Brink Jr.; L. M. Mayer 1975-7-8 Plumas Found above Lower Bucks Lake along a stream at the north edge of the section. Comment
  JEPS48550  Acer glabrum var. torreyi J. W. Duffield 1937-5-31 Plumas se Bucks Lake (Rocky wall, third water, Bear Creek, sw Plumas County); Bear Creek, se of Bucks Lake (See Bucks Lake Quad.) Comment
  POM85454  Acer glabrum var. torreyi Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  RSA261481  Acer macrophyllum Clif Clendenen 1974-5-25 41 Plumas 7 miles NW of Quincy on State Highway 70. Comment
Read comments
Sep 15 2009
  SEINET7893936  Acer macrophyllum C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  SEINET10472843  Achillea Mary Susan Taylor 1981-7-13 Taylor 3996 Plumas T24N R16E sw/sw sec 5, Frenchman Lake quad. Ca. 20-100 yds N of 25N43, ca. 0.5 mi W of 25N11 at N tip of the Lake, ca. 13 air mi N of Chilcoot. Sagebrush Scrub, dry and open to partial shade on edge of Jeffrey Pine Forest. 5700 ft 1737 Comment
  CAS-BOT-BC28736  Achillea millefolium Javier Penalosa 1962-6-19 2494 Plumas Hwy 40-89, 6.2 miles SE of Quincy 1097 Comment
  CAS-BOT-BC217985  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC210848  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas Lassen Volcanic National Park. Below Sifford Lakes, along direct route to the Devils Kitchen 2057 Comment
  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
  UCD51299  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Canadian Zone forest, summit ridge of Thompson Peak, Diamond Range. 2133 Comment
  CHSC52439  Acmispon grandiflorus var. macranthus L. P. Janeway 1987-6-20 2280 Plumas Ravine on N side of S Br Middle Fk Feather River, below Whiskey Hill. 1158 Comment
  CHSC21652  Acmispon nevadensis D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC391478  Aconitum columbianum subsp. columbianum W. D. Dakan 1968-8-1 s.n. Plumas In Butterfly Valley Botanical Area Comment
  RSA60799  Aconitum columbianum var. columbianum I. L. Wiggins 1948-9-15 12055 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  CHSC45858  Aconogonon davisiae Lowell Ahart 1974-10-1 645 Plumas On the west part of the Buzzards Roost Ridge, about 1/2 mile north of Onion Valley, about 1 mile north of Pilot Peak. 1981 Comment
  CAS-BOT-BC412893  Aconogonon davisiae Robert J. Weatherby 1950-8-11 1511 Plumas Near Hellgramite [Hellgrammite] Pond, Lakes Basin Area 2011 Comment
  CAS-BOT-BC418801  Aconogonon phytolaccifolium Lowell Ahart 1977-7-9 s.n. Plumas 1/2 mile below the Bunker Hill Mine which is about 10 miles north-east of La Porte 1800 Comment
  CAS-BOT-BC391667  Actaea rubra Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC84342  Actaea rubra Lowell Ahart 2003-8-13 10502 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CAS-BOT-BC65508  Adiantum aleuticum Mrs. C. C. Bruce 1899-10-1 s.n. Plumas Quincy Comment
  CAS-BOT-BC62299  Adiantum aleuticum 218 Plumas Plumas National Forest Comment
  CHSC117651  Agastache urticifolia Lowell Ahart 2016-8-30 21323 Plumas On the east side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC75508  Agastache urticifolia G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13276 Plumas Plumas National Forest. Sites adjacent to Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  CHSC97306  Ageratina occidentalis Lowell Ahart; John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2416 Comment
  JEPS113441  Ageratina occidentalis Lowell Ahart, John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis 2416 Comment
  RSA726332  Ageratina occidentalis L. Ahart, John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2417 Comment
  RSA184946  Ageratina occidentalis L. S. Rose 1966-7-27 66063 Plumas Butterfly creek and Spanish creek, 1 mile south of Keddie. stream banks. 991 Comment
  CAS-BOT-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
  UCR57897  Agoseris glauca R. D. Goeden, Don W. Ricker 1989-8-22 890822- 4 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, Frenchman Lake 1704 Comment
  CHSC106221  Agoseris glauca var. laciniata Arthur C. Barrett 1915-6-20 42 Plumas Indian Cr. near Lone Rock Cr. 1630 Comment
  CHSC96846  Agoseris glauca var. laciniata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14040 Plumas Under pine trees, about 150 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC102139  Agoseris grandiflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16245 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC41000  Agoseris grandiflora J. D. Jokerst 1984-7-11 2104 A Plumas Edge of forest service logging road that is indicated as a trail on USGS maps. West of the South Branch Ward Creek, ca 1/3 mile NW of large falls. 1584 Comment
  CAS-BOT-BC29653  Agoseris grandiflora var. grandiflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54118 Plumas Quincy 1036 Comment
  CHSC116182  Agoseris heterophylla var. heterophylla Lowell Ahart 2015-7-4 20283 Plumas About 140 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1-1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  UC1125483  Agoseris heterophylla var. heterophylla E. Sawyer 1935-7-1 264 Plumas 2.5 mi wnw Crow; Sierraville Quad. 1676 Comment
  CAS-BOT-BC13246  Agoseris monticola M. S. Taylor 1982-6-28 4759 Plumas Ramelli Ranch, S side of Hwy 70, ca 1 mi W of Beckwourth 1487 Comment
  UC1536768  Agoseris monticola G. H. True Jr. 1937-7-14 955 Plumas at top of Milford Grade Milford Grade 1828 Comment
  CAS-BOT-BC127593  Agropyron cristatum John Thomas Howell 1962-6-18 37794 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC127597  Agropyron cristatum John Thomas Howell; H. Keith Wagnon 1980-5-28 53708 Plumas Sierra Nevada. North Fork Feather River Canyon 4 miles northeast of Pulga Bridge. Comment
  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
  SEINET10509794  Agropyron trichophorum Thomas J. Howell, Gordon H. True 1968-6-10 Howell 44544 Plumas Sierra Nevada, Quincy. In meadows. Comment
  CAS-BOT-BC127084  Agrostis exarata John Thomas Howell 1976-7-16 51905 Plumas Sierra Nevada. On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC127086  Agrostis exarata John Thomas Howell 1960-7-19 35664 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CDA28134  Agrostis exarata L. Ahart 2001-8-29 9243 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  RSA718511  Agrostis exarata L. Ahart 2006-10-23 13492 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  CAS-BOT-BC139609  Agrostis gigantea John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2211 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC139249  Agrostis idahoensis John Thomas Howell 1960-7-23 35956 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1828 Comment
  CDA13753  Agrostis pallens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13485 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Few in +- shaded, wet area immediately below headwater spring. Perennial. Comment
  RSA215971  Agrostis pallens J. T. Howell 1957-6-30 32793 Plumas Hunters Point Comment
  CAS-BOT-BC138708  Agrostis scabra John Thomas Howell 1951-6-28 27729 Plumas Eureka Lake. 1889 Comment
  CHSC117469  Agrostis scabra B. Castro; Robin Carter 2010-7-17 1824 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 75 ft downstream of dam outlet. 1499 Comment
  RSA0105475  Agrostis scabra Lowell Ahart 2014-8-31 19800 A 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
  SD71008  Agrostis scabra John Thomas Howell 1960-7-20 35722 Plumas Lassen Volcanic National Park, near steam vents and hot springs, Boiling Springs Lake. 1798 Comment
  CHSC108121  Agrostis variabilis Lowell Ahart 2011-9-20 17689 Plumas Open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  UC441332  Alisma plantago-aquatica Mrs. R. M. Austin Aug. 1896 505 Plumas Big Meadows Comment
  CAS-BOT-BC445450  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  SEINET10839445  Allium Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3877 A Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CAS-BOT-BC447498  Allium amplectens Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek ranger station Comment
  UC337909  Allium bisceptrum var. bisceptrum Lemmon May 1889 Plumas Mohawk Valley Comment
  SEINET8119070  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-11 8815 Plumas Prattville. 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
  SJSU15153  Allium lemmonii N. A. Hopkins 1993-6-16 1724 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CHSC63432  Allium parvum Vernon H. Oswald 1994-6-8 6263 Plumas E side of Juniper Lake Rd. just S of the boundary of Lassen Volcanic National Park, N of Chester. 1973 Comment
  CAS-BOT-BC474061  Allium parvum M. S. Taylor 1982-5-14 4442 Plumas along Turner Springs Rd just S of its jct with Hwy 114 (Clio-Portola Rd), 2 air miles SW of Portola 1524 Comment
  CAS-BOT-BC205712  Allium platycaule James R. Shevock 1985-5-19 11163 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir 1800 Comment
  CHSC36322  Allium validum M. S. Taylor 1982-8-4 4917 Plumas On n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1889 Comment
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC33739  Allotropa virgata M. S. Taylor; M. Foster 1981-7-14 4019 Plumas Saddle at head of Bullfrog Ravine, on both sides of 26N18 just before saddle. Ca. 3 air mi nw of Indian Falls. 1584 Comment
  CAS-BOT-BC171364  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake. Sierra Nevada. Feather River Watershed 2133 Comment
  CAS-BOT-BC171366  Alnus incana subsp. tenuifolia L. P. Janeway 1992-8-30 4302 Plumas McRae Meadow, upper end of East Nelson Creek. Plumas National Forest - Beckwourth District McRae Compartment 1889 Comment
  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
  UCD109971  Alnus incana subsp. tenuifolia John Thomas Howell 1959-9-24 34936 Plumas Butterfly Creek, near mouth. Comment
  UC1135118  Alnus rhombifolia C. G. Albertus 1935-7-23 230 Plumas 1 1/4 mi se Spring Garden Ranch; Plumas National Forest, Downieville Quadrangle Comment
  SACT002788  Alnus tenuifolia Josephine Van Ess 1975-6-3 Plumas Collected at camp just south of Cromberg of Highway 70 Comment
  JEPS68430  Alopecurus geniculatus W. L. Jepson 1910-6-14 4134 Plumas Prattville 1310 Comment
  SEINET249759  Alopecurus geniculatus Gessell 1940-7-10 20 Plumas 1/4 miles south east Meadow Valley School. 3800 ft. 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
  CHSC94668  Amaranthus albus Lowell Ahart 2006-10-8 13410 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC103138  Amaranthus californicus Lowell Ahart; John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC98337  Amelanchier alnifolia var. pumila L. P. Janeway 2007-6-3 9021 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  JEPS114510  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-6-5 14813 Plumas Steep north side of a logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1645 Comment
  SEINET10483108  Amelanchier pallida Mary Susan Taylor 1982-6-7 Taylor 4613 Plumas 5700 ft. T23N R14E ne/nw sec 32. Portola quad. Open ridge e of Portola, Ramelli Ranch property, ca. 2 mi e of Portola. 1737 Comment
  CAS-BOT-BC136790  Amelanchier utahensis Anna Head 1921-6-25 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UC567121 Image available Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 s and 0.5 mi e Bucks Mountain; Bidwell Bar Quad. 1524 Comment
  JEPS48764 Image available Amelanchier utahensis John Warren Duffield 1937-5-26 Plumas 8 mi from Quincy (on country road from Meadow Valley and Quincy, sw Plumas County) Comment
  SEINET6329353  Amelanchier utahensis L. R. Miller 1929-5-12 s.n. Plumas 4 miles southwest of Blairsden Comment
  UC471166  Amsinckia H. E. Parks 1930-7-13 Plumas on shore of Lake Tagish (Caribou); Caribou Comment
  CAS-BOT-BC64275  Anaphalis margaritacea H. E. Brown 1897-8-15 661 Plumas Near Lassen Buttes 1828 Comment
  RSA0091370  Anemone lyallii Bonnie C. Templeton 1968-1 11290 Plumas [No location data on label. Possibly Trinity County.] Comment
  SD8181  Anemone quinquefolia Daniel Cleveland July 1882 Plumas Big Meadows Comment
  JEPS95586  Angelica breweri Lowell Ahart 1994-7-28 7530 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SEINET7063406  Anisocoma acaulis A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  JEPS95335  Antennaria argentea Lowell Ahart 1994-6-29 7414 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  UC134212  Antennaria argentea Mrs. R. M. Austin 1874-8-1 96 Plumas Black Hawk 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
  POM160288  Antennaria dimorpha J. G. Lemmon 1889-5-30 s.n. Plumas Sierra Valley Comment
  CHSC57062  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4073 B Plumas Plumas National Forest. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  SEINET6755397 Image available Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover Valley Comment
  CHSC63446  Antennaria rosea subsp. confinis Lowell Ahart 1994-7-22 7501 Plumas Along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CAS-BOT-BC84757  Antennaria rosea subsp. rosea Anna Head 1921-7-5 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CHSC21818  Antennaria rosea subsp. rosea F. T. Griggs; A. Pass 1975-7-23 244 Plumas Cape Lake. Bucks Lake Forest Service Survey. Comment
  UC501397  Anthemis cotula David D. Keck Jul 3 1932-Jul 5 1932 1683 Plumas Quincy Northern Sierra Nevada 1065 Comment
  UCD128969  Anthemis tinctoria John Thomas Howell 1960-7-24 35995 Plumas Chester. 1371 Comment
  CHSC35274  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1981-7-26 4113 Plumas N side of Caribou Rd, 3.7 mi ne of its jct with Hwy 70 near Belden. 853 Comment
  CHSC117558  Apocynum androsaemifolium Lowell Ahart 2016-7-9 21083 Plumas Top and on the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UC1123474  Apocynum androsaemifolium E. Nourse 1934-9-4 22 Plumas 3/4 mi. s. & 1 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  UC1123479  Apocynum androsaemifolium C. G. Albertus 1935-7-20 217 Plumas 1 12/ mi. s.w. Lava Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  UC565905  Apocynum androsaemifolium E. Sawyer 1935-7-9 275 Plumas 4 1.2 mi. s. Crow; Sierraville Quad. 1828 Comment
  RSA443121  Apocynum androsaemifolium subsp. pumilum L. Ahart, P. Ahart 1985-7-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles northwest of Pilot Park 1829 Comment
  SEINET9306227  Apocynum androsaemifolium subsp. pumilum Unknown 1981-7-27 4126 Plumas T25N R12E SE 1/4 & c 10/ Babcock Peak. In granite gravel embankment, N side of Beckworth Genesse Rd, ca. 7 air mi E of Genesse. 5400 ft. Comment
  RSA71311  Apocynum cannabinum L. S. Rose 1951-6-29 51073 Plumas 8 mi. east of Quincy 1220 Comment
  SEINET10454891  Apocynum pumilum Mary Susan Taylor 1981-7-17 Taylor 4035 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  UC1125883  Aquilegia formosa A. Lewis 1934-6-12 478 Plumas 2 mi sw Fewler Peak; Downieville quad 1615 Comment
  UC569712  Aquilegia formosa E. Sawyer 1935-6-24 139 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1828 Comment
  UC117906  Arabis glabra T. S. Brandegee 1882-7-26 Plumas Big Meadows Comment
  UC174584  Arabis glabra A. A. Heller and P. B. Kennedy 1907-7-11 8810 Plumas Prattville Comment
  SEINET10907253  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-10 Taylor 3666 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
  CAS-BOT-BC407713  Arceuthobium abietinum C. R. Quick 1953-8-1 53 -76 Plumas west of Lake Almanor Comment
  CAS-BOT-BC407701  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas at Drakesbad 1737 Comment
  CHSC43232  Arceuthobium californicum Lowell Ahart 1987-9-29 5908 Plumas Along Hartman Bar Ridge Road, about 3 1/2 miles north-west of Tamarack Flat, about 5 1/2 miles north-west of Little Grass Valley Reservoir. 1706 Comment
  CHSC54867  Arceuthobium californicum Vernon H. Oswald 1991-8-23 4840 Plumas Lassen Volcanic Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2255 Comment
  JEPS115097  Arceuthobium californicum Lowell Ahart, John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  JEPS95546  Arceuthobium campylopodum Lowell Ahart 1994-6-29 7418 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  UC1075719  Arceuthobium campylopodum Robert J. Weatherby 1955-8-2 1667 Plumas Jeep trail from Spanish Ranch to Bean Hill Diggings Meadow Valley 1158 Comment
  SBBG5441  Arctostaphylos manzanita subsp. manzanita H. and M. Dearing 1939-5-9 3325 Plumas above Graeagle 1371 Comment
  UCR101151  Arctostaphylos mewukka subsp. mewukka L. C. Wheeler 1952-9-24 6957 Plumas Plumas 5: mine area in vicinity of Crescent Mills Comment
  CAS-BOT-BC38481  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC38482  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51571 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC40014  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4584 Plumas North end of summit ridge, secondary road between Rt. 70 and LaPorte. 1950 Comment
  CHSC97172  Arctostaphylos nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14016 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  UC567082  Arctostaphylos nevadensis C. G. Albertus 1935-8-7 241 Plumas four mi nw Blue Nose; Downieville 2133 Comment
  UCD52847  Arctostaphylos nevadensis G. Douglas Barbe; T. C. Fuller 1982-6-15 3718 Plumas 1.0 mile below and northeast of Red Hill Summit; Plumas National Forest. 1783 Comment
  CAS-BOT-BC42096  Arctostaphylos patula John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2414 Plumas Butterfly Botanical Area, Trestle Glen 1097 Comment
  CAS-BOT-BC42100  Arctostaphylos patula Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 868 Plumas On USFS rd 25N12, 2km west of USFS Quincy work center, 5km N of Quincy. 1500 Comment
  OBI69255  Arctostaphylos patula Kristina L. Schultz, Dan Schultz 2000-11-3 8 Plumas Quincy Range. Off trail at the intersection of Jackson St. and Old Meadow Valley rd Comment
  POM367390  Arctostaphylos patula L. S. Rose 1932-9-4 32607 Plumas Eureka Lake. 1890 Comment
  UC1552779  Arctostaphylos patula Frederica Bowcutt 1985-6-7 582 Plumas along Hwy 89 halfway between Clio and Calpine (Plumas-Sierra Co. line) 1432 Comment
  UC549431  Arctostaphylos patula J. E. Adams 1934-5-13 816 Plumas Silver Lake Comment
  CAS-BOT-BC42089  Arctostaphylos patula John Thomas Howell 1976-4-2 51580 Plumas Near Spring Garden 1219 Comment
  SEINET10449254  Arctostaphylos patula Mary Susan Taylor 1982-6-23 Taylor 4717 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
  CAS-BOT-BC47027  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. 944 Comment
  CAS-BOT-BC47070  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42190 Plumas Near the spring in the Butterfly Botanical Area. 1097 Comment
  SEINET10965531  Arenaria congesta var. subcongesta Mary Susan Taylor 1982-5-17 Taylor 4461 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
  CHSC21355  Arenaria kingii var. glabrescens F. T. Griggs; A. Pass 1975-7-1 13 Plumas East of Grizzly Creek. Comment
  JEPS103546  Arenaria kingii var. glabrescens Lowell Ahart 2002-6-26 9781 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  UC1577403  Argemone rotundata C. W. Hanks 1934-8-6 11 Plumas Plumas National Forest, nw end of Sierra Valley Sierra Valley; Plumas National Forest, Sierra Valley 1554 Comment
  CAS-BOT-BC82084  Arnica W. Harnach; N. Harnach 1990-6-27 421 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  SEINET10971092  Arnica Mary Susan Taylor 1981-6-25 Taylor 3948 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
  CHSC73917  Arnica chamissonis B. Castro; Barry Davis 1997-8-13 778 Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Ck (ca 1.5 mi N of Crocker Mdw). 1700 Comment
  JEPS111005  Arnica chamissonis Bruce G. Baldwin with Susan J. Bainbridege 1999-8-17 1091 Plumas Last Chance Marsh (east edge). ca. 100 feet west of road to Last Chance Campground at junction with road bearing east (where extends to east of road do campground) 1377 Comment
  UC579430  Arnica chamissonis E. Sawyer 1935-7-2 272 Plumas 1 mi w Chases; Plumas National Forest 1676 Comment
  CAS-BOT-BC82227  Arnica chamissonis L. P. Janeway 1992-6-4 4217 Plumas along Bonta Creek in wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River 1318 Comment
  SEINET6755560 Image available Arnica chamissonis A. A. Heller, P. B. Kennedy 1907-7-5 8750 Plumas Red Clover Valley Comment
  UC134169  Arnica cordifolia Mrs. R. M. Austin 1896-7-1 616 Plumas Willow Lake Lassens Peak, Willow Lake Comment
  RSA718391  Arnica dealbata L. Ahart 2006-7-3 12906 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18 1528 Comment
  UC84123  Arnica dealbata R. M. Austin July 1896 Plumas Lassen Peak Comment
  CDA13359  Arnica discoidea G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13208 Plumas Sierra Nevada; Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CDA13931  Arnica discoidea G. F. Hrusa, T. D. Wilfred 1997-5-3 13856 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
  CHSC61397  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1993-8-11 5781 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Park. 1767 Comment
  CHSC70219  Arnica discoidea B. Castro; R. Fallscheer 1989-8-7 352 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1783 Comment
  SD8798  Arnica discoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows 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
  CAS-BOT-BC82512  Arnica discoidea David D. Keck 1932-7-3 1645 Plumas Hillside south of town (forested), Quincy, in the Northern Sierra Nevada 1220 Comment
  SBBG128289  Arnica discoidea L. Ahart, J. Dittes 2009-7-15 16093 Plumas under the power line, on the S side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 Comment
  CHSC61761  Arnica mollis Vernon H. Oswald; Lowell Ahart 1993-8-25 5859 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 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
  SJSU12189  Artemisia cana subsp. bolanderi N. A. Hopkins 1983-10-13 1183 Plumas c. 4 mi SSE of Beckwourth by Marble Hot Springs Road at its crossing of Section 18, Sierra Valley 1463 Comment
  CAS-BOT-BC84874  Artemisia cana subsp. cana E. K. Balls 1950-9-2 15664 Plumas Along Grizzly Creek, about Grasshopper Flat, road from ramelli to Walker Mine. 1828 Comment
  CHSC56840  Artemisia douglasiana L. P. Janeway 1991-8-3 4109 Plumas Plumas National Forest. Small drainage to Freeman Creek 1 3/4 mi west of Smith Peak. 1965 Comment
  CHSC81599  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 A Plumas Old road that crossed Indian Creek, about 50 yards east of the railroad tracks, where railroad has a bumper to start the signal lights on Arlington Road, about 400 yards south of Arlington Road, 50 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  SEINET10474108  Artemisia douglasiana Mary Susan Taylor 1981-8-28 Taylor 4247 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
  UC1119542  Artemisia douglasiana C. W. Hanks 1934-9-6 70 Plumas e side Dixie Mtn.; Plumas National Forest, Sierraville Quadrangle Comment
  SD79021  Artemisia douglasiana R. Mitchel Beauchamp 1965-7-17 Plumas Feather River I(c) mile north of Chester. Comment
  CHSC36869  Artemisia dracunculus M. S. Taylor 1982-9-13 5130 Plumas Remelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi W of Beckwourth. 1487 Comment
  CAS-BOT-BC93476  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34952 Plumas Sierra Nevada - 5 miles east of Quincy on road to Portola Comment
  JEPS117308  Artemisia tridentata subsp. vaseyana Lowell Ahart 2010-10-21 17308 Plumas About 10 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  JEPS37054  Artemisia tridentata subsp. vaseyana W. L. Jepson 1939-8-16 19425 Plumas Dixie Valley 1767 Comment
  SFV11161  Asarum hartwegii M. L. Vincent 1964-4-8 523 Plumas Sierra Nevada 0.5 miles northeast of Storrie. 550 Comment
  CHSC73402  Asarum lemmonii B. Castro 1995-11-29 629 Plumas Ca 2 air mi ESE of Walker Plains on Rock Island Ridge, and ca 0.3 mi N of Rock Island itself. In minor perennial tributary to Truck Ravine, between the Ravine and USGS Rd 23N27. 1475 Comment
  JEPS640 Image available Asarum lemmonii J. G. Lemmon Plumas Indian Valley Comment
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Feb 4 2011
  RSA246614  Asarum lemmonii R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42325 Plumas Plumas National Forest: Fern Glen, Butterfly Valley Botanic Area. 1098 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
  SD7716  Asclepias cordifolia R. M. Austin 1876-1 Plumas American Valley Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  UC311359  Asclepias eriocarpa Mary E. Pulsifer July 1890 Plumas Auburn Ravine Indian Valley, Taylorville Comment
  SD7723  Asclepias fascicularis R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC1123544  Asclepias fascicularis C. W. Hanks 1934-9-18 85 Plumas hills n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET3158544  Asclepias fascicularis E. K. Balls 1950-9-14 sn Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  CAS-BOT-BC69591  Aspidotis densa Clarence R. Quick 1952-6-29 52 -79 Plumas Summit road between belden and Humbug Valley. 1486 Comment
  CHSC107925  Aspidotis densa L. P. Janeway 2011-7-6 10502 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. Especially around low outcrops and rocky slope. 1721 Comment
  RSA169424  Aspidotis densa L. S. Rose 1963-6-5 63135 Plumas East Branch, North Fork of Feather River, .5 miles north of Rich Bar 823 Comment
  SEINET10474428  Aster chilensis var. medius Mary Susan Taylor 1981-8-31 Taylor 4251 Plumas California: T22N R12E se1/4 of se1/4 sec 25. Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi S of Clio. Plumas County. 4400 ft. 1341 Comment
  CHSC66690  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8098 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. 1188 Comment
  CDA13763  Aster integrifolius G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13498 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E. Comment
  SEINET10872025  Aster integrifolius Mary Susan Taylor 1982-8-5 Taylor 4922 Plumas T25N R10E nw/sw sec 22. Greenville SE quad. Jct of Mt Hough Hwy (403) & rd to Grizzly Ridge, ca. 2 mi nw of Taylor Rock, ca. 6 air mi ne of Quincy. 5500 ft. 1676 Comment
  RSA59479  Aster intermedius E. K. Balls 1950-9-16 15872 Plumas 5 miles southeast of Graeagle, Sulphur Creek, highway 89. 1372 Comment
  UCR73112  Aster occidentalis G. Fred Hrusa 1992-10-8 10497 Plumas Margin of Snake Lake, NE corner of lake, at end of vehicle access rd. 1223 Comment
  RSA726373  Aster occidentalis var. occidentalis L. Ahart, Josephine Guardino 2007-7-20 14332 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  RSA755216  Aster oregonensis L. Ahart, John Dittes 2009-8-28 16358 Plumas NE side of Forest Service Road 27N98, headwater of Clear Creek, about 1.9 air miles NNE of Butt Valley Reservoir Dam, about 3 air miles SW of Lake Almanor Reservoir Dam. 1477 Comment
  RSA286285  Aster oregonensis subsp. californicus R. F. Thorne 1974-7-30 45006 Plumas Plumas National Forest, Butterfly Valley Botanical Area. Boggy meadow W of Mill Pond. 1159 Comment
  UC54373  Astragalus gibbsii H. M. Hall and E. B. Babcock July, 1903 4448 Plumas Red Clover Creek , Red Clover Creek (Sierra Nevada Mountains) 1524 Comment
  UCD169251  Astragalus lentiformis S. L. Welsh; N. D. Atwood 2001-6-13 28125 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  CAS-BOT-BC192849  Astragalus pulsiferae W. Harnach; N. Harnach 1989-6-29 207 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  SEINET948658  Astragalus pulsiferae Lewis S. Rose 1955-1 55152 Plumas Beckworth Pass 1494 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  UC725976  Astragalus pulsiferae var. suksdorfii A. A. Heller 1938-6-22 15179 Plumas gravelly plain w Chester; w of Chester 1304 Comment
  SEINET5326215  Astragalus purshii var. purshii C. Tanner 1999-5-31 s.n. Plumas On S-facing grantic slope within city limits of Portola (area bounded by Plumas/Quincy Sts. On N & S, Willow and Rock Sts. On E & W 1484 Comment
  SBBG3245  Astragalus purshii var. tinctus H. and M. Dearing 1939-5-9 3328 Plumas near Blairsden 1219 Comment
  CAS-BOT-BC200858  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  CAS-BOT-BC200865  Astragalus webberi Charles Piper Smith 1921-7-18 3444 Plumas Taylorsville - Mt. Hough trail Comment
  UCR88852  Astragalus webberi J. T. Howell, H. K. Wagnon 1980-5-27 s.n. Plumas Near Crescent Mills in SW end of Indian Valley. 1067 Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  HSC101680  Asyneuma prenanthoides Dillon North Davis 2013-7-1 40 Plumas 9.5 miles south on FS Road 25N17 from intersection with Highway 70. Comment
  CHSC21511  Athyrium filix-femina L. Mayer; D. Brink 1975-7-8 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC69507  Athyrium filix-femina var. californicum Walter Knight; Irja Knight 1966-9-12 1728 Plumas Rubble gap, Butterfly Botanical Area and Vicinity. 1127 Comment
  SEINET10899693  Athyrium filix-femina var. californicum Mary Susan Taylor 1981-8-19 Taylor 4222 Plumas California: T23N R11E nw1/4 of se 1/4 sec 18. Blue Nose Mt quad. S side of 23N10, 0.3 mi E of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  CAS-BOT-BC66093  Athyrium filix-femina var. cyclosorum John Thomas Howell 1926-7-27 2144 Plumas Near Prattville 1463 Comment
  CHSC110378  Athyrium filix-femina var. cyclosorum Lowell Ahart 2012-9-5 18450 Plumas Along the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  CHSC42030  Athyrium filix-femina var. cyclosorum Lowell Ahart 1986-9-10 5394 Plumas On the bottom of the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  SD9772  Athyrium filix-femina var. cyclosorum Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  UC123212  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1876-1 314 Plumas Mill Creek Comment
  CAS-BOT-BC100038  Balsamorhiza deltoidea John Thomas Howell 1975-6-16 51137 Plumas 2 miles northwest of Spring Garden 1173 Comment
  SD9158  Balsamorhiza deltoidea Daniel Cleveland 1882-7-24 Plumas Big Meadows Comment
  CAS-BOT-BC100097  Balsamorhiza sagittata 1918-5-25 7064 Plumas Portola Comment
  CHSC69991  Balsamorhiza sagittata L. P. Janeway 1997-5-7 5115 Plumas Along Beckwourth-Genesee Road 3.7 mi southeast of Indian Creek. Above Red Clover Creek. 1365 Comment
  UCD40296  Balsamorhiza sagittata Rodney Gale Myatt 1971-6-13 744 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC16569  Barbarea orthoceras Mrs. H. C. Cantelow 1938-7-4 2293 Plumas South side of Soda Creek. Drakesbad. Comment
  CHSC102127  Barbarea orthoceras Lowell Ahart; John Dittes 2009-7-27 16165 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC97518  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-17 14174 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS115562  Barbarea orthoceras Lowell Ahart, John Dittes 2009-7-27 16165 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS113937  Bassia hyssopifolia W. and N. Harnach 2000-8-23 999 Plumas Sierra Valley 1 mile west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC145809  Beckmannia syzigachne David D. Keck 1932-7-3 1688 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  UCD56778  Beckmannia syzigachne John Thomas Howell 1962-6-18 37747 Plumas Plants of the Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CHSC67625  Berula erecta James D. Jokerst 1985-7-23 2536 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 Comment
  CAS-BOT-BC102174  Bidens cernua Lewis S. Rose 1934-7-23 34406 Plumas Vinton 1524 Comment
  JEPS102555  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS104109  Blepharipappus scaber Lowell Ahart 2003-8-8 10484 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  SEINET7379355 Image available Blepharipappus scaber W. Harnach, N. Harnach 1990-8-27 522 Plumas Sierra Valley. Intersection of Co. Rd. A-23 and Marble Lane 1490 Comment
  SEINET10938034  Blepharipappus scaber Mary Susan Taylor 1982-6-10 Taylor 4625 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  CAS-BOT-BC16884  Boechera G. L. Stebbins 1968-6-8 6703 Plumas Along Indian Creek, 1.5 miles southwest of Indian Falls. 944 Comment
  CHSC33811  Boechera constancei M. S. Taylor 1981-6-22 3944 Plumas E side of 25N17, ca. 1/8 mi s of Bean Creek on ridge, ca. 1/4 mi n of jct 25N17 with 25N81 (Old Mt House Rd), ca. 3.5 air mi nw of Meadow Valley. 1524 Comment
  CHSC34002  Boechera constancei M. S. Taylor; M. Foster 1981-6-2 3827 Plumas S side of Hwy 70, ca. 100 ft upslope (w) of RR track, ca. 200 yds s of Spring Garden Overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CAS-BOT-BC14015  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 2314 Plumas Flatiron Ridge. 1828 Comment
  CAS-BOT-BC14262  Boechera pinetorum Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1.5 miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  CAS-BOT-BC14261  Boechera pinetorum Alice Eastwood 1927-6-27 14891 Plumas United States Forest Reserve. On road from Chilcott. Comment
  SEINET3166401  Boechera puberula P. J. Alexander 2009-5-25 1039 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.3 miles ENE of the center of the dam, 7.2 miles NNW of Chilcoot, Plumas National Forest. 1774 Comment
  CAS-BOT-BC14655  Boechera rectissima John Thomas Howell 1960-7-19 35636 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC14723  Boechera repanda Lowell Ahart 1986-7-1 5328 Plumas South of the logging road 0.1 mile S of the West Branch of Hopkins Creek, about 0.75 mile NE of the Bunker Hill Mine. 1828 Comment
  SEINET12627100 Image available Boechera retrofracta Martin Schilling 2013-1 MS 231 Plumas Thompson Peak, 0.8 air mi SE from peak, on rocky slope 2205 Comment
  CHSC24646  Boechera sparsiflora S. Deaton 1976-4-16 26 Plumas 100 yrds n of Highway 70 and 30 ft e of n bank of Chips Creek. Comment
  CAS-BOT-BC25909  Boechera suffrutescens John Thomas Howell; Gordon H. True 1973-7-31 50117 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak. 2194 Comment
  JEPS95600  Boechera suffrutescens Lowell Ahart 1994-6-29 7409 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  UCD149522  Boechera suffrutescens G. L. Stebbins 1970-7-24 7072 Plumas South of Round Lake, in Lakes Basin. South of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2072 Comment
  POM46383  Boisduvalia macrantha Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
  JEPS99054  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  CDA11930  Boykinia major G. F. Hrusa, J. Dinsdale 1989-6-27 7222 Plumas Sierra Nevada; Tributary entering Bucks Lake at N end. Comment
  JEPS49663  Boykinia major W. L. Jepson 1939-7-31 19300 Plumas lower slopes Spanish Peak (canyon bottom 1/2 way between Meadow Valley and Buck's Valley); slopes Spanish Peak, btw Meadow Valley and Buck's Valley Comment
  CAS-BOT-BC418416  Boykinia occidentalis E. Sutliffe 1920-9-1 s.n. Plumas Gold Valley 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
  CHSC34280  Brickellia californica M. S. Taylor 1981-9-14 4278 Plumas W side of Hwy 89, ca. 1 air mi N of Hwy 70, ca. 10 air mi W of Quincy. 914 Comment
  CHSC33927  Brickellia greenei M. S. Taylor 1981-7-18 4056 Plumas N side of Caribous Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden. 853 Comment
  RSA599864  Brickellia greenei L. C. Wheeler 1959-7-14 7563 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar.. . Comment
  SEINET10570670  Brodiaea A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8791 Plumas Prattville Comment
  CAS-BOT-BC484566  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS, Quincy 1066 Comment
  UC756663  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1947-5-16 6051 Plumas Meadow View Peak Comment
  CHSC102087  Bromus ciliatus Lowell Ahart; John Dittes 2009-7-13 16038 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC155968  Bromus commutatus M. S. Taylor 1982-7-8 4805 Plumas South side of Feather River, ca. 1 mile southwest of Sagebrush Scrub on Rameli Ranch, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  UCD58433  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  CAS-BOT-BC155314  Bromus inermis Fred Sommers; Greg Sommers 1976-8-19 218 Plumas Sierra Valley Marsh, along Dyson Lane, 300 m east of the metal bridge. 1524 Comment
  CHSC69485  Bromus inermis subsp. inermis James D. Jokerst 1985-6-10 2395 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  SJSU5732  Bromus japonicus Lewis S. Rose 1968-6-10 68087 Plumas Quincy Meadow 1036 Comment
  CAS-BOT-BC155326  Bromus laevipes s.n. Plumas Sierra Valley. Comment
  UC1131201  Bromus madritensis subsp. rubens G. T. Nordstrom 1934-7-10 212 Plumas 2 1/2 mi sw of Gravel Range (Plumas National Forest); Plumas National Forest 1493 Comment
  CAS-BOT-BC162158  Bromus orcuttianus Lewis S. Rose 1966-7-27 66060 Plumas Butterfly Valley. 3 miles west of Keddie. 1066 Comment
  CHSC91915  Bromus orcuttianus Lowell Ahart; Josephine Guardino 2005-8-9 12268 Plumas Meadow near forest edge, north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SEINET4343728 Image available Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-15 16092 Plumas Yellow Pine Forest; under the power line on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1518 Comment
  UCD59269  Bromus orcuttianus John Thomas Howell 1960-8-20 36274 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC161354  Bromus tectorum Walter Knight; Irja Knight 1967-5-22 1893 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon. 1066 Comment
  CAS-BOT-BC161356  Bromus tectorum Javier Penalosa 1962-6-19 2499 Plumas Highway 40-89, +-6.2 miles southeast of Quincy. 1097 Comment
  RSA700313  Bromus vulgaris L. Ahart 2004-7-27 11314 Plumas along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  CHSC82550  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards south of the road to Tamarack Flat, on the south side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1718 Comment
  CHSC69486  Calamagrostis koelerioides James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2550 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  CHSC116590  Calamagrostis stricta subsp. inexpansa B. Castro; L. P. Janeway 2011-10-31 1916 Plumas Northern High Sierra Nevada. N end of lower Thompson Valley ca 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. Wet bed of main channel, ca 375 ft N (upstream) of small rock dam on Thompson Creek, ca 30 ft below edge of surrounding open Ponderosa-Jeffrey pine forest. 1674 Comment
  JEPS120101  Calamagrostis stricta subsp. inexpansa Lowell Ahart 2012-7-1 18253 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CHSC110876  Calliscirpus brachythrix Tim Hanson 2013-6-20 2 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1416 Comment
  SEINET13710344  Callitriche hermaphroditica Lowell William Ahart, Lowell William Ahart 2001-1 9281 Plumas In Water of Freeman Creek, Lake Davis (T24N, R13E, sec 30, NE 1/4) 5780 Ft. 1762 Comment
  CHSC102108  Callitriche verna Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16213 Plumas In shallow water of a small pond, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  CHSC67322  Calocedrus decurrens James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2567 Plumas Top of Red Mtn. Above Rich Gulch Rd., N of Hwy. 70. Comment
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May 4 2012
  JEPS110511  Calocedrus decurrens Lowell Ahart 2006-9-28 13387 Plumas On the west side of the North Fork of the Feather River, on the west side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek 646 Comment
  CAS-BOT-BC487774  Calochortus coeruleus John Thomas Howell; Gordon H. True 1967-7-11 43358 Plumas Southeast slope of Mt. Hough, Sierra Nevada 2042 Comment
  CAS-BOT-BC491834  Calochortus leichtlinii John Thomas Howell 1962-6-18 37768 Plumas Sirra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC491836  Calochortus leichtlinii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54217 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy 1584 Comment
  CDA18491  Calochortus nudus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3363 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road. 1645 Comment
  CDA5724  Calochortus nudus L. Ahart 2002-7-6 9847 Plumas About 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. Comment
  UC384666  Calochortus nudus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC493423  Calochortus nudus G. D. Barbe; T. C. Fuller; John Thomas Howell 1981-7-26 54393 Plumas 0.3 miles southwest of Buks Summit on road to Buks Lake 1645 Comment
  CAS-BOT-BC493427  Calochortus nudus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CAS-BOT-BC271529  Calycadenia truncata subsp. truncata P. Monnet 1913-8-1 9511 Plumas Big Bar, Sierra Nevada Comment
  CHSC21127  Calyptridium monospermum F. T. Griggs; A. Pass 1975-7-1 17 Plumas Buck's Lake Forest Service Survey. East of Grizzly Creek. Comment
  UC569800  Calyptridium monospermum D. Axelrod 1934-6-9 2 Plumas 2 mi nw of Lexington Hill 1767 Comment
  UC1075703  Calyptridium monospermum Robert J. Weatherby 1955-6-22 1533 Plumas road to Spanish Peak lookout 1828 Comment
  UC1136660  Calyptridium umbellatum E. Sawyer 1935-5-22 20 Plumas 3/4 mi sw of Beckwith Butte 1493 Comment
  SEINET10572716  Calyptridium umbellatum Mary Susan Taylor 1982-5-19 Taylor 4485 Plumas T23N R14E ne/nw sec 27. Portola quad. Sandy sagebrush scrub, Ramelli Ranch, ca. 1 mi w of Beckwourth. 4800 ft. 1463 Comment
  JEPS31599  Calystegia malacophylla subsp. malacophylla W. L. Jepson 1924-7-24 10636 Plumas Meadow Valley 914 Comment
  CDA18586  Calystegia occidentalis subsp. occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3284 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  CHSC97936  Calystegia occidentalis subsp. occidentalis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3284 Plumas 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  UCD138331  Camassia leichtlinii subsp. suksdorfii Alva Day 1939-5-31 s.n. Plumas Cascade Creek. Comment
  UC583536  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley Warner Valley; Mount Lassen Region, Drakesbad, Warner Valley Comment
  CAS-BOT-BC160888  Camissonia tanacetifolia subsp. tanacetifolia Lin Grayson 1981-5-16 040 Plumas Sierra Valley marsh along County Road A 24, Sierra-Plumas county 1666 Comment
  SEINET10462864  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas GREENVILLE Comment
  SEINET10917161  Campanula prenanthoides Solomon W. Conrad 1975-8-11 Conrad 7398 Plumas Douglas Fir forest 5.5 miles west of Quincy on Meadow Valley Rd. 1219 Comment
  SEINET10939013  Campanula prenanthoides Mary Susan Taylor 1981-8-19 Taylor 4217 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  CAS-BOT-BC37134  Capsella bursa-pastoris D. A. McMillan 1915-6-23 12 Plumas Long Valley. 1767 Comment
  CHSC81355  Cardamine oligosperma L. P. Janeway 1996-4-11 4954 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  JEPS48660  Cardamine oligosperma Esther C. Fritz July, 1933 Plumas along Schneider Creek 1188 Comment
  CHSC51669  Cardamine pachystigma S. R. M. 1978-3-17 Plumas Above Gansner Bar, west slope of Red Hill, north-east of Belden. Comment
  JEPS96902  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  CAS-BOT-BC38097  Cardamine pachystigma Roger Raiche 1985-3-29 50165 Plumas Caribou Road, 3.4 miles north of its origin at highway 70 east of Belden, along the north fork of Feather River. 701 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
  CHSC109446  Carex abrupta L. P. Janeway 2012-7-17 10951 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1721 Comment
  CHSC55562  Carex abrupta L. P. Janeway 1990-7-11 3790 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 Little Grizzly Creek. 1775 Comment
  JEPS115915  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16111 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  CAS-BOT-BC17840  Carex amplifolia John Thomas Howell 1962-6-17 37651 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC69914  Carex amplifolia L. P. Janeway; B. Castro 1997-9-14 5360 Plumas Springy south-facing slope above Jamison Creek and above Road 507 0.9 mi east of the Plumas-Eureka State Park boundary. 1828 Comment
  CHSC55552  Carex angustata L. P. Janeway 1990-7-11 3788 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 Little Grizzly Creek. 1775 Comment
  CHSC85979  Carex angustata L. P. Janeway 2003-7-19 7906 Plumas High Cascade Range. At eastern end of Willow Lake along the small stream channel draining the lake. 1655 Comment
  JEPS28350  Carex angustata George W. Gillett 1957-7-18 830 Plumas along the streambank of the main inlet Lassen Volcanic National Park, Willow Lake 1661 Comment
  SEINET7549695 Image available Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen Volcanic National Park. Meadow near Soda Spring, Drakesbad. 1676 Comment
  CHSC36854  Carex athrostachya M. S. Taylor 1982-6-28 4780 Plumas S edge of Feather River, Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  CHSC40270  Carex athrostachya Lowell Ahart 1985-7-3 5099 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC53561  Carex athrostachya L. P. Janeway 1989-7-11 3475 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  HSC7051  Carex athrostachya L. S. Rose 1967-7-9 67143 Plumas Quincy 1037 Comment
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS95382  Carex athrostachya Lowell Ahart 1994-7-22 7500 Plumas along the N side of the Pacific Crest Trail, about 1/2 mi E of Mount Etna 1981 Comment
  SEINET13329302  Carex athrostachya W. Harnach, N. Harnach 1991-6-17 552 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  RSA32327  Carex athrostachya C. R. Quick 1945-7-20 45 -66 Plumas Deane s Valley, SE of Meadow Valley. Comment
  CAS-BOT-BC19521  Carex bolanderi Alice Eastwood 1927-6-11 14491 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  CAS-BOT-BC19522  Carex bolanderi John Thomas Howell 1960-7-21 35866 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake. 1767 Comment
  CHSC105972  Carex bolanderi Lowell Ahart 2010-10-21 17314 Plumas On the south side of a small wash, about 100 yards north of Fowler Lake, about 30 yards west of the trail (poor road), about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  CAS-BOT-BC19525  Carex bolanderi John Thomas Howell 1975-6-15 51121 Plumas Sierra Nevada. North Fork Feather River near Storrie. 548 Comment
  CAS-BOT-BC19530  Carex bolanderi W. I. Follett 1946-5-27 s.n. Plumas Rich Gulch. Comment
  JEPS109101  Carex brainerdii D. W. Taylor 2008-6-18 20221 Plumas Plumas National Forest, watershed of N Fork Feather River, S Fork Rock Creek, along Forest Road 24N28. Comment
  CHSC78722  Carex capitata L. P. Janeway 2000-7-7 6891 Plumas Northern High Sierra Nevada. At Kanaka Flat, on north side of Maple Flat, upper drainage of Spanish Creek. 1579 Comment
  CHSC97521  Carex douglasii Lowell Ahart; John Dittes 2007-6-16 14134 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
  RSA121761  Carex douglasii E. Sawyer 1935-7-12 286 Plumas 3 1/2 miles E of Beckwith Butte. 1494 Comment
  CHSC82446  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, about 100 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  RSA169429  Carex echinata subsp. echinata L. S. Rose 1963-6-3 63101 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  CHSC67613  Carex feta James D. Jokerst 1985-6-10 2403 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. 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
  CAS-BOT-BC20170  Carex filifolia var. erostrata L. W. Swift 1933-6-7 82 Plumas Plumas Forest. Thompson Creek. 1828 Comment
  CDA13409  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13258 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. E of Quincy. Comment
  RSA201288  Carex fracta J. T. Howell 1960-7-19 35676 Plumas Drakesbad. 1677 Comment
  CAS-BOT-BC20699  Carex fracta L. P. Janeway; Garrett Gibson 1991-8-2 4102 Plumas Plumas National Forest. Beckwourth Ranger District. Southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC32027  Carex geyeri L. P. Janeway 1990-8-16 3831 Plumas Babcock Peak quad, Ca 0.2 mi N of Meadow Cr, halfway btw Red Clover Cr and Mt. Ingalls 2011 Comment
  SEINET10652731  Carex geyeri Lawrence P. Janeway 1992-6-9 Janeway 4225 Plumas Mount Ingalls Quad, T24N, R11E, NE 1/4 of SW 1/4 of Sec 11. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca. .8 mile southwest of Little Grizzly Creek. Northwesterly facing slope in mixed conifer forest with ca 60% crown closure. Comment
  CAS-BOT-BC21973  Carex heteroneura John Thomas Howell 1951-6-27 27590 Plumas McRae Meadow. 1981 Comment
  CDA14593  Carex heteroneura var. heteroneura G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3077 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 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
  CHSC92289  Carex heteroneura var. heteroneura Lowell Ahart; Josephine Guardino 2005-8-10 12320 Plumas South of a small wet meadow, south 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
  UCR148892  Carex heteroneura var. heteroneura G. D. Barbe, T. C. Fuller 1982-6-16 3790 Plumas Plumas National Forest. Meadow below Mud Lake, 0.75 mi northeast of Eisenheimer Peak. 2098 Comment
  CHSC60197  Carex hoodii L. P. Janeway; Garrett Gibson 1992-6-16 4240 Plumas Plumas National Forest. About 0.5 mi northeast of Carman Saddle, 1.5 mi west of Beckwourth Peak, and 2.3 mi south of Portola. 1706 Comment
  RSA71077  Carex hoodii L. S. Rose 1951-6-27 51025 Plumas Johnsville. 1601 Comment
  UCSB63563  Carex hoodii Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; adjacent to Indian Creek 400 m. S of Hwy. 70; ca. 2 mi. SW of Crescent: T26N R9E SW1/4 Sect. 25 Comment
  CHSC116185  Carex jonesii Lowell Ahart 2015-7-4 20276 Plumas About 110 yards outh of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1-1/2 miles (air) northwet of Little Grass Valley Reservoir dam. 1712 Comment
  JEPS95336  Carex lemmonii Lowell Ahart 1994-6-15 7342 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  SEINET3902676  Carex lemmonii Lewis S. Rose 1963-6-3 63097 Plumas Butterfly Valley, 2 mi. SW of Keddie.; 0 1189 Comment
  UC1594685  Carex lenticularis var. impressa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5041 Plumas via Gold Lake Forest Hwy. (County Rd. 519) ca. 5 mi (air) ssw Graeagle (w end Grass Lake, located just w of Lakes Basin Campground); Grass Lake 1926 Comment
  CHSC84929  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-9-6 7976 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  POM81318  Carex limosa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1372 Comment
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Jul 8 2016
  CHSC96053  Carex luzulifolia L. P. Janeway; B. Castro 2006-9-9 8883 Plumas High Cascade Range. About 200 m east of Jedidian Colter Lake (between Blue Lake and North Arm Rice Creek). Broad flat meadow informally named Sheeba's Meadow. 1969 Comment
  RSA101476  Carex luzulifolia R. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  CHSC118841  Carex luzulina Noah Siegel 2016-6-3 2016001 C Plumas Plumas National Forest. Located south of Rush Creek Hill just north of Eagle Rock and south of Forest Road 26N67. UTM 660079 E, 4436133 N, NAD 83 Zone 10 North. 1889 Comment
  CAS-BOT-BC32070  Carex multicaulis John Thomas Howell; Gordon H. True 1969-6-23 45807 Plumas 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  CDA17779  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3693 Plumas Plumas National Forest; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UCD140657  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  CHSC47344  Carex nebrascensis L. P. Janeway 1989-6-16 3340 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  CHSC52548  Carex nebrascensis L. P. Janeway 1989-6-29 3408 Plumas Plumas National Forest. Near head of Mapes Cyn; along the Beckwourth-Genesee Rd (rd 111) 4.9 mi N of Beckwourth. Small drying shady seep at Pappases Camp. 1767 Comment
  CAS-BOT-BC119860  Carex nebrascensis D. H. Esplin; R. K. Gierisch 1968-10-3 8 Plumas Crocker guard Sta, horse pasture. 1737 Comment
  UC1100501  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1457 Plumas se side Portola Comment
  CHSC88003  Carex nervina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along the edges of a very small stream, 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-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
  CAS-BOT-BC119191  Carex pachystachya W. I. Follett 1992-6-4 4212 Plumas Johnsville quad, S side of road to Plumas-Eureka State Park (Rd 506), 1341 Comment
  SEINET12649673 Image available Carex pellita Lowell Ahart, John Dittes 2009-1 16187 Plumas 1480 Comment
  UCD108012  Carex raynoldsii Tim Kuhn 2006-7-10 61 Plumas on Plumas NF forest service road 107407. Comment
  CHSC53661  Carex rossii L. P. Janeway 1989-6-8 3273 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) at upper end of Jackson Cr campground. 1386 Comment
  CHSC65137  Carex rossii Vernon H. Oswald; Lowell Ahart 1995-7-24 7120 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC47349  Carex scabriuscula L. P. Janeway 1989-6-9 3287 Plumas Cyn of E Br N Fk Feather River, 5.4 mi E of the river mouth and Caribou Rd, along Hwy 70. 822 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
  CHSC116388  Carex scopulorum var. bracteosa Sara M. Taylor; Scott Batiuk 2012-9-13 77 Plumas Plumas National Forest. Line Springs. From Silver Lake parking area, follow trail up Granite Gap to Pacific Crest Trail. Follow trail north approx. 1.5 km, then bushwack west for approximately 0.5 km. UTM zone 10, 4423596 N, 657038E. 2028 Comment
  CHSC60505  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas Plumas National Forest. South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines; 1/2 mi west of Mohawk, 1/4 mi west of Middle Fork Feather River. 1341 Comment
  CAS-BOT-BC117739  Carex simulata John Thomas Howell 1960-7-19 35648 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  CAS-BOT-BC117742  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2273 Plumas Drakesbad Meadow. Comment
  HSC7076  Carex stipata L. S. Rose 1967-7-9 67144 Plumas Quincy 1037 Comment
  CAS-BOT-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC115985  Carex subfusca Brink; Mayer 1975-6-1 s.n. Plumas Bucks Lake area. Comment
  CHSC102434  Carex subfusca L. P. Janeway; B. Castro 2009-7-12 9853 Plumas Northern High Sierra Nevada. Lower Thompson Valley 2.0 km north of Red Clover Creek. 1670 Comment
  CHSC105835  Carex subfusca Lowell Ahart 2010-7-27 16926 Plumas On the north side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte. 1680 Comment
  CHSC112376  Carex subfusca L. P. Janeway 2014-7-16 11546 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley creek in the middle of Happy valley. Comment
  CHSC48062  Carex subfusca L. P. Janeway 1987-6-20 2278 Plumas Ravine on N side of S Br Middle Fk Feather River below Whiskey Hill. 1158 Comment
  CHSC53551  Carex subfusca Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  JEPS101243  Carex subfusca Dean W. Taylor 2000-8-8 17556 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
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Aug 6 2010
  UCD140912  Carex subfusca John Thomas Howell 1960-7-22 35875 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC115991  Carex subfusca Alice S. Mulford 1914-8-14 s.n. Plumas Smith Lake on Mt. Elwell. 1874 Comment
  CDA33154  Carex subfusca G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3299 Plumas On Diamond Mountain Road, 0.5 mile southwest of Engle Mine townsite. Comment
  SEINET10750062  Carex subfusca Lewis S. Rose 1968-6-10 Rose 68085 Plumas Ouincy. 1036 Comment
  SEINET10750068  Carex subfusca Lawrence P. Janeway 1989-6-15 Janeway 3319 Plumas Crocker Mtn. quad. t24N, R14E, NW1/4 of sec. 33. Pond across road from springy slope; jct Beckwourth-Genesee Rd. (rd 111) and rd 24N49Y; N corner of Crocker Valley. 1730 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
  CAS-BOT-BC115149  Carex vesicaria Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC115155  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Meadow, Drakesbad. 1828 Comment
  CHSC84924  Carex vesicaria L. P. Janeway; B. Castro 2003-9-6 7977 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  JEPS105654  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville 1399 Comment
  CAS-BOT-BC114933  Carex whitneyi Lowell Ahart 1977-7-9 1453 Plumas 10 mi NE of La Porte. Edge of the road, 1/2 mi below the Bunker Hill Mine. 1800 Comment
  CAS-BOT-BC114937  Carex whitneyi L. P. Janeway 1990-7-3 3757 Plumas Near Paradise Creek about 1/4 mi S of Little Grizzly Creek. 1813 Comment
  CAS-BOT-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
  CAS-BOT-BC249012  Castilleja F. Thos. Griggs 1975-1-1 308 Plumas Bucks Lake area Comment
  CDA18693  Castilleja applegatei G. D. Barbe, T. C. Fuller 1982-6-15 3700 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
  UCD40405  Castilleja applegatei Rodney Gale Myatt 1971-6-13 736 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  UCR270585  Castilleja applegatei John F. Emmel 1998-6-6 1557 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 Comment
  CAS-BOT-BC249371  Castilleja applegatei M. S. Taylor 1982-6-10 4635 Plumas Ramelli Ranch, se of jct of Calpine Rd (109) and Hwy 70, ca. 1/2 mi sw of Beckwourth 1487 Comment
  CAS-BOT-BC249711  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CAS-BOT-BC249721  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-11 1718 Plumas Near Grasy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC249734  Castilleja applegatei subsp. pinetorum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CAS-BOT-BC249736  Castilleja applegatei subsp. pinetorum Mrs. Jos Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC249751  Castilleja applegatei subsp. pinetorum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  JEPS127321  Castilleja applegatei subsp. pinetorum Lowell Ahart 2016-6-29 21063 Plumas East slope of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS81465  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-5 4935 Plumas just below Mt. Hough (areas around Crystal Lake, ca 7 air nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  UC1094740  Castilleja applegatei subsp. pinetorum Francia Chisaki 1956-5-31 892 Plumas 3.5 mi n Beckwourth (on road to Genesse) Comment
  CHSC110003  Castilleja lacera B. Castro; L. P. Janeway 2006-6-4 1539 Plumas Northern High Sierra Nevada. Along the new dirt road from Squaw Valley to McReynolds Valley, 0.3 mi S of Squaw Valley Road/USFS Rd 28N01 (and Squaw Valley). 1703 Comment
  UC1562841  Castilleja lacera Barbara Ertter 1989-7-4 8685 a Plumas 4.2 mi w Hwy. 89 junction with Hwy 36 (Coyote Flat, w of Lake Almanor); Coyote Flat 1524 Comment
  SEINET14058557  Castilleja linariifolia K. Burnstad 1974-9-14 s.n. Plumas Plumas NF, Nelson Creek. 1981 Comment
  JEPS49075  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  CHSC80876  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 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
  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
  SEINET10549440  Castilleja pilosa Mary Susan Taylor 1982-5-28 Taylor 4558 Plumas T25N R14E nw/sw sec 27. Crocker Mt quad. In Sagebrush Scrub in Squaw Valley, jct of 26N70 & 28N01, ca. 16 mi s of Milford. 5600 ft. 1707 Comment
  CHSC97602  Castilleja tenuis Lowell Ahart; John Dittes 2007-6-16 14127 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
  UC1537453  Castilleja tenuis Gordon H. True Jr. 1938-7-14 961 Plumas Summit of Milford Grade 1767 Comment
  CHSC91674  Ceanothus arcuatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3706 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  JEPS115781  Ceanothus cordulatus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15868 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  POM282975  Ceanothus cordulatus Lyman Benson 1932-7-29 4007 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET194976  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas South of Chester 1311 Comment
  UC1070973  Ceanothus cordulatus D. Axelrod 1934-6-4 8 Plumas sw La Porte; Downieville quad 1645 Comment
  UC1070985  Ceanothus cordulatus R. Roseberry 1934-11-4 3 Plumas 1.5 mi ne Johnsville; Downieville quad, Plumas Nat. For. 1493 Comment
  CAS-BOT-BC49031  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54297 Plumas Sierra Nevada - East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  CAS-BOT-BC50730  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1585 Plumas Butterfly Botanical Area and Vicinity - Fern Glen 1112 Comment
  UC1070789  Ceanothus integerrimus G. T. Nordstrom 1934-7-9 205 Plumas 1.25 mi se Mt. Ararat; Bidwell Bar quad., Plumas Nat. For. 1584 Comment
  UC338451  Ceanothus integerrimus Lemmon 1889-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC63327  Ceanothus prostratus Clarence R. Quick 1934-7-4 1350 Plumas Headwaters of Clear Creek, Plumas National Forest. Comment
  CAS-BOT-BC63370  Ceanothus prostratus Harry P.. Went 1920-5-17 s.n. Plumas Greenville. Comment
  CDA18744  Ceanothus prostratus G. D. Barbe, T. C Fuller 1982-7-16 3775 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
  SD7228  Ceanothus prostratus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  UC1552738  Ceanothus prostratus Frederica Bowcutt 1985-6-6 562 Plumas about 15 air miles NE Quincey 1 mile of Drum Bridge. North of Beckwourth Genesee Road about 1/8 mile. 1676 Comment
  UCR54286  Ceanothus prostratus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0950 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  RSA0011257  Ceanothus prostratus R. M. Austin 1879-1 s.n. Plumas Big Meadow Comment
  CAS-BOT-BC52166  Ceanothus pumilus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1866 Plumas Half way between Butterfly Valley proper and Darlingtonia Bog. 1066 Comment
  CHSC46654  Ceanothus velutinus Lowell Ahart 1989-7-2 6345 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  LA45110  Ceanothus velutinus C. W. Hallis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC1071482  Ceanothus velutinus G. T. Nordstrom 1934-7-16 227 Plumas 1 3/4 mi ne Mount Ararat; Bidwell Bar Quadrangle 1767 Comment
  CAS-BOT-BC63189  Ceanothus velutinus var. velutinus A. A. Heller 1915-7-7 12069 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 mi. w. of Bucks in the forest. 1676 Comment
  SEINET13709633  Centaurea maculosa Lowell William Ahart, Lowell William Ahart 2001-1 8887 Plumas Hwy 89 W of Spillway at Lake Almanor (T27N, R8E, sec 28, NW 1/4) 4510 Ft. 1375 Comment
  SEINET5343604 Image available Centaurea virgata var. squarrosa M. J. Williams 1974-8-5 74 -P-2 Plumas Near Chilcoot 1524 Comment
  CAS-BOT-BC384931  Cerastium arvense L. P. Janeway 1991-6-14 4010 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek 655 Comment
  CDA5731  Cerastium arvense L. Ahart, R. K. Rabeler, L. P. Janeway, L. Hanson 2005-4-2 11751 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area. Comment
  CAS-BOT-BC207379  Cercis occidentalis Bonnie Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie. Comment
  SEINET10904121  Cercocarpus ledifolius Mary Susan Taylor 1981-7-6 Taylor 3979 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  HSC22983  Chamaesaracha nana John Pratt 1970-7-9 68 Plumas Chester airport Comment
  RSA794994  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2009-9-7 16381 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  UC711918  Chamaesyce serpyllifolia Roxana S. Ferris and Laura Lorraine 1941-8-9 10442 Plumas betw junction of Lassen National Park Rd (State Hwy 89) and State Hwy 32 and Chester Comment
  CAS-BOT-BC165970  Chamerion angustifolium J. W. MacSwain 1959-8-13 59 -152 Plumas 3.5 miles east of Bucks Lake Lodge Comment
  UC1186542  Chamerion angustifolium subsp. circumvagum J. W. MacSwain 1959-8-13 59 -152 Plumas 3.5 mi e Bucks Lake Lodge Comment
  RSA718528  Chenopodium album L. 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 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  CAS-BOT-BC494114  Chenopodium desiccatum W. Harnach; N. Harnach 2000-8-2 972 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CDA3114  Chenopodium pumilio J. T. Howell, G. H. True 1974-7-29 50629 Plumas Quincy. Comment
  CHSC28924  Chimaphila menziesii L. Hanson 1979-7-23 56 Plumas On ridge south of Coldwater Creek near intersection of roads to Kellogg Lookout and to Mt. Ararat. Comment
  UC354484  Chimaphila menziesii David D. Keck 1928-6-15 453 Plumas Meadow Valley 1219 Comment
  CHSC53139  Chimaphila umbellata L. P. Janeway 1990-9-2 3852 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. About halfway between Cascade Cr and Emigrant Cr, and about 1/3 mi S of Little Grizzly Cr. 1859 Comment
  RSA794795  Chimaphila umbellata L. Ahart, John Dittes 2009-7-14 16066 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
  RSA122824  Chimaphila umbellata subsp. occidentalis C. G. Albertus 1935-8-15 269 Plumas One mile south of Lovejoy. 1860 Comment
  SEINET10449196  Chimaphila umbellata var. occidentalis Mary Susan Taylor 1981-7-17 Taylor 4031 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  UCR123995  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2001-7-6 6852 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CAS-BOT-BC36257  Chrysolepis sempervirens Gladys L. Smith 1976-6-7 4580 Plumas Northern end of Summit area, secondary road between Rte. 70 and La Porte 1950 Comment
  RSA268931  Chrysolepis sempervirens J. R. Reeder, Charlotte G. Reeder 1972-7-24 5805 Plumas 15 miles NW of Greenville. 1372 Comment
  UC1135240  Chrysolepis sempervirens C. G. Albertus 1935-8-2 244 Plumas 3 mi ne Blue Nose; Plumas National Forest, Downieville Quad. 1828 Comment
  UCR88746  Chrysopsis villosa J. T. Howell 1977-8-11 52670 Plumas Canyon of Little Last Chance Creek, between Chilcoot & Frenchmans Reservoir 1677 Comment
  SEINET7450658 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA263849  Chrysothamnus nauseosus subsp. albicaulis J. T. Howell 1974-9-20 50902 Plumas Near Spring Garden 1159 Comment
  RSA768849  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-10 15360 Plumas Both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1.75 air miles south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1594 Comment
  SEINET10475260  Chrysothamnus nauseosus subsp. albicaulis Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  POM124123  Chrysothamnus parryi subsp. nevadensis I. M. Johnston 1919-9-2 2183 Plumas Keddie, open bench about the W. Pac. Station 982 Comment
  SEINET10474163  Chrysothamnus viscidiflorus Mary Susan Taylor 1980-10-8 Taylor 3364 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  CAS-BOT-BC100815  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1959-9-25 35022 Plumas Summit of Beckwourth Pass 1588 Comment
  CAS-BOT-BC100825  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1978-8-11 21792 b Plumas about 5 miles southeast of Thompson Peak Comment
  CHSC62424  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1993-8-10 4515 Plumas Plumas National Forest. 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
  UC203264  Chrysothamnus viscidiflorus subsp. viscidiflorus I. M. Johnston 1919-9-2 2182 Plumas Portola Comment
  CHSC80905  Cinna latifolia Lowell Ahart 2001-7-19 8951 Plumas On the sides of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CHSC102101  Circaea alpina subsp. pacifica Lowell Ahart; John Dittes 2009-7-28 16197 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC66762  Circaea alpina subsp. pacifica Vernon H. Oswald; Lowell Ahart 1996-8-14 8152 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. In a meadow. 1920 Comment
  SEINET12193672  Circaea alpina subsp. pacifica M. S. Taylor 1982-1 4714 Plumas T23N, R10E, sw/ne Sec. 18. Blue Nose Mt. quad. Along tributary to Middle Cr, s side of 23N10 1402 Comment
  CAS-BOT-BC289625  Cirsium andersonii Thomas H. Kearney 1944-8-14 168 Plumas Near Prattville, Lake Almanor Comment
  CHSC34911  Cirsium andersonii M. S. Taylor 1981-7-21 4095 Plumas Ca. 1/8 mi e of 25N18, ca. 1 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 2011 Comment
  CHSC102150  Cirsium arvense Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16242 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC97117  Cirsium arvense Lowell Ahart; Josephine Guardino 2007-7-20 14335 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC277919  Cirsium canescens T. C. Fuller 1968-7-1 17318 Plumas 100 yds. w. of Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton, 1 mi. n. of the county line in Plumas Co., Sierra Valley, Sierra Nevada 1524 Comment
  CAS-BOT-BC278089  Cirsium douglasii var. breweri John Thomas Howell 1959-9-22 34860 Plumas Drakesbad 1737 Comment
  UC1119203  Cirsium occidentale var. candidissimum C. W. Hanks 1934-8-10 39 Plumas ne edge of Sierra Valley; Plumas National Forest, Sierraville 1584 Comment
  CDA1517  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
  CAS-BOT-BC286451  Cirsium scariosum John Thomas Howell 1960-7-24 35985 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285832  Cirsium vulgare Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1472 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Canyon 990 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-BC228896  Cistanthe umbellata Alice Eastwood 1927-6-15 14624 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC228713  Cistanthe umbellata Anna Head 1921-7-7 s.n. Plumas East Pk., Feather River Region Comment
  CAS-BOT-BC228900  Cistanthe umbellata Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  CAS-BOT-BC160921  Clarkia amoena subsp. amoena Henry A. Kloppenburg 1928-5-19 433 Plumas Plumas National Forest. Belden 701 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
  SBBG18852  Clarkia lassenensis C. B. Hardham 1961-6-15 7421 Plumas E of Taylorsville, rd to Engel Mine Comment
  CHSC71146  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-22 4468 Plumas About 1.5 mi west of Meadow Valley; along Big Creek Road (Road 423) 0.1 mi from Oroville-Quincy Hwy. Road cutbank. 1243 Comment
  CHSC101488  Clarkia mildrediae subsp. mildrediae Samantha Mackey Hillaire 2008-6-17 1257 Plumas Transmission line openings and roadcuts in lower montane coniferous forest (brushy and grassy area). Between T24N, R06E, Tract 37, NW1/4 of NW1/4 and S03, SE1/4 of SW1/4. Elevation 2200-2400 feet. 701 Comment
  CHSC83710  Clarkia mildrediae subsp. mildrediae L. P. Janeway 2001-6-28 7239 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  UC1422864 Image available Clarkia mosquinii subsp. mosquinii T. Mosquin 1959-7-3 3335 Plumas 3.7 mi sw entrance to Plumas National Forest (along State Hwy 40 alt.); ; SW of entrance to Plumas Nat'l. Forest, along State Hwy. 40. Comment
  CAS-BOT-BC163853  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville & Crescent Crescent Mills Comment
  CAS-BOT-BC163857  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1975-6-16 51155 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC1143254  Clarkia rhomboidea H. and M. Lewis 1950-6-30 741 Plumas 7.3 mi e Hwy. 89 and 24 junction (Quincy to Belden) Comment
  CAS-BOT-BC32904  Clarkia stellata Theodore Mosquin 1959-7-2 3332 Plumas Humbug Road, 1.2 miles W of its junction with Humboldt Road, W of Lake Almanor Comment
  RSA0059947  Clarkia stellata L. P. Janeway 1995-7-11 4851 Plumas High Sierra Nevada. Along west side of Road 24N12 (road to Smith Peak) 1.8 miles northwest of Highway 70; about 4 miles west of Portola 1555 Comment
  RSA101475  Clarkia stellata R. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station, USFS 1067 Comment
  RSA537459  Clarkia stellata Barbara Ertter, Gary Schoolcraft 1989-7-3 8638 Plumas Road to Lone Rock and Red Rock on south side of Diamond Mountain, ca. 10 air miles south of Susanville, near Morton Creek crossing 1829 Comment
  RSA73357  Clarkia stellata F. W. Peirson 1926-6-21 6798 Plumas Open flat strip along shore of Lake Almanor. Comment
  SEINET10885380  Clarkia stellata A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8778 Plumas Prattville Comment
  CAS-BOT-BC451741  Claytonia lanceolata Anna Head 1921-6-25 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC114318  Claytonia lanceolata G. D. Barbe; T. C. Fuller 1982-6-17 3803 Plumas Lakes Basin Campground, 7.5 mi S of Hwy 89. 1950 Comment
  SD8149  Claytonia lanceolata Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC439879  Claytonia perfoliata John Thomas Howell 1978-4-19 52858 Plumas Eastern part of Quincy. 1036 Comment
  CAS-BOT-BC443637  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1962-6-18 37766 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC33621  Claytonia rubra subsp. rubra M. S. Taylor; M. Foster 1981-6-3 3847 Plumas W side of 24N10, in sandy dry soils in shade of Pinus ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  SD6971  Collinsia grandiflora Mrs. R. M. Austin 1878-1 Plumas Indian Valley Comment
  CHSC70052  Collinsia parviflora L. P. Janeway 1997-5-7 5107 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. 1225 Comment
  JEPS30998  Collinsia torreyi var. torreyi D. E. Breedlove 1962-6-12 3451 Plumas 1 mi se Cromberg (upper drainage Middle Fork Feather River); Sierra Nevada, Jackson Creek, upper drainage Middle Fork Fea 1341 Comment
  CHSC65125  Collinsia torreyi var. wrightii Vernon H. Oswald; Lowell Ahart 1995-7-24 7118 Plumas high Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  UC1583995  Collomia heterophylla G. Schoolcraft 1990-5-9 2022 Plumas about 1 mi w Crescent Mills 1493 Comment
  CHSC89514  Collomia tinctoria G. D. Barbe; T. C. Fuller 1982-6-17 3820 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
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Sep 23 2008
  RSA164299  Collomia tinctoria Clare B. Hardham 1961-6-16 7495 Plumas Engelmine 1829 Comment
  CAS-BOT-BC157364  Comarum palustre John Thomas Howell 1961-9-23 36842 Plumas Indian Valley 1082 Comment
  CHSC44255  Comarum palustre Vernon Oswald 1988-7-19 3608 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the edge of island on the s side of the lake. 1676 Comment
  CHSC54488  Comarum palustre Vernon H. Oswald; Lowell Ahart 1991-7-30 4791 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Along edges of streams within the fenced enclosure at the springs. 1310 Comment
  CHSC58196  Comarum palustre Vernon H. Oswald; Lowell Ahart 1992-6-22 5027 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. Meadow. 1597 Comment
  UC1123584  Convolvulus arvensis C. W. Hanks 1934-8-13 46 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET10474204  Conyza canadensis Mary Susan Taylor 1981-8-28 Taylor 4245 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
  CHSC21319  Cordylanthus tenuis subsp. tenuis F. T. Griggs; A. Pass 1975-7-30 268 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC77061  Cordylanthus tenuis subsp. tenuis L. P. Janeway 1996-8-13 5068 Plumas Top of ridge between kingsbury Ravine and West Branch Salt Creek; above Twain and East Branch North Fork Feather River. 1432 Comment
  JEPS107608  Cordylanthus tenuis subsp. tenuis Lowell Ahart, Josephine Guardino 2005-8-10 12300 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  UC1032456  Cordylanthus tenuis subsp. tenuis G. T. Nordstrom 1934-7-20 244 Plumas 1 1/2 mi w and 1/2 mi n Meadow Valley; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC209426  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC209431  Cornus nuttallii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1569 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  POM147062  Cornus nuttallii Alice Eastwood 1927-06 14487 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CAS-BOT-BC210302  Cornus sericea John Thomas Howell 1951-8-20 28205 A Plumas Near Taylorsville 1066 Comment
  SEINET3478225  Cornus sericea subsp. sericea G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1991-6-25 3279 Plumas East of Taylorsville, East of Taylorsville, 0.7 miles south of Arlington Road (Main Street), on Beckworth-Greenville Road 1110 Comment
  UC1122816  Cornus sericea subsp. sericea D. Axelrod 1934-6-12 44 Plumas 1 mi. n.e. La Porte; Plumas Nat'l Forest, Downieville Quad. Comment
  CHSC81365  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  POM97818  Corydalis caseana R. M. Austin 1876-07 11 Plumas Mill Creek Comment
  RSA101460  Corydalis caseana R. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  SD46555  Corydalis caseana Robert J. Weatherby 1955-7-2 1578 Plumas Near Taylor Lake, Below Bear Ridge, near Taylor Lake Comment
  CHSC64456  Corydalis caseana subsp. caseana B. Castro; G. Kuenster, L. Gehrung 1994-7-17 527 Plumas 1 air mi E of Whitehorse Campgd E of Bucks Lake, ca 300 ft S of tributary to Bucks Creek. Along N-trending perennial creeklets tributary to Bucks Creek. 1645 Comment
  UC1713728  Corydalis caseana subsp. caseana J. G. Lemmon Plumas springs & streams from Sierra Valley to Big Meadow Comment
  CAS-BOT-BC169502  Corylus cornuta subsp. californica Henry A. Kloppenburg 1928-5-19 430 Plumas Belden. Plumas Forest 701 Comment
  JEPS115519  Crassula aquatica Lowell Ahart, John Dittes 2009-9-7 16388 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC148431  Crataegus suksdorfii John Thomas Howell 1961-9-23 36835 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC290444  Crepis acuminata F. J. Kirby 1958-7-1 1175 Plumas Near Greenville 1219 Comment
  CAS-BOT-BC290446  Crepis acuminata L. W. Swift 1934-5-18 116 Plumas Plumas National Forest. Sugar Loaf near Meadow View 1889 Comment
  UC567039  Crepis occidentalis E. Sawyer 1935-6-1 51 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle 1524 Comment
  JEPS113448  Crepis occidentalis subsp. conjuncta Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13987 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC108710  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 open rocky areas up from road (the western extension of USFS Rd 23N69). 1798 Comment
  CHSC69202  Crepis pleurocarpa James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2555 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  CHSC91766  Crepis pleurocarpa G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16335 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC53894  Crepis pleurocarpa H. M. Hall and E. B. Babcock July, 1903 4438 Plumas Genesee Valley 1097 Comment
  UCD150229  Crepis pleurocarpa G. Ledyard Stebbins 1986-6-29 C 615 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  SEINET4565720  Crypsis alopecuroides M. J. Williams, J. Howell, W. Follette 1977-8-11 77- 70 -2 Plumas East side of Frenchman's Reservoir 1707 Comment
  CAS-BOT-BC182507  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54299 Plumas East side of Indian Valley just north of Taylorsville 1112 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
  UCD23261  Cryptantha affinis W. R. Powell 1968-7-2 1594 Plumas 3 miles NNE of La Porte, along road around SE side of Little Grass Valley Res. 1554 Comment
  CHSC79699  Cryptantha ambigua G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 58 W']. 2100 Comment
  CDA18585  Cryptantha flaccida G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3285 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  SEINET9348560  Cryptantha flaccida Unknown 1981-6-25 3285 Plumas 0.7 mile S of Arlington Road, (Main St., Taylorsville) on Beckwourth-Greenville Road, E of Taylorsville. Comment
  CDA18476  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3216 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CHSC76044  Cryptantha torreyana G. F. Hrusa 1997-5-30 13833 Plumas Sierra Nevada. On the E side of Rattlesnake Creek creekbed, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  UC1950152  Cryptantha torreyana Barbara Ertter 1988-7-25 7846 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct Comment
  CHSC23570  Cryptantha watsonii K. Stern 1975-7-23 Plumas W side of Lake Almanor. 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
  MACF019595  Cupressus Trudy R. Ericson 1975-9-18 403 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  CHSC75493  Cuscuta californica G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3376 Plumas Southern end of Walker Plains, 0.4 mile northwest of Buckeye. 1524 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
  UC405210  Cycladenia humilis var. humilis J. G. Lemmon July 1872 119 Plumas slopes Greenville and Lopen Peaks Comment
  CHSC70787  Cynoglossum occidentale B. Castro; R. Zebell, R. Fallscheer 1989-8-15 392 Plumas Ca 6 air mi S of Bucks Lake, ca 0.15 mi W of USFS Rd 23N15, in upper end of tributary to Arkansas Ravine. On NW-facing slope. 1645 Comment
  UC480666  Cynoglossum occidentale H. F. Copeland 1920-7-17 110 Plumas between Plumas and Tehama Co.'s Bull Mt. Comment
  CAS-BOT-BC190356  Cynosurus echinatus John Thomas Howell 1967-6-22 42656 Plumas Sierra Nevada. Canyon of the Feather River North Fork. Near mouth of Chambers Creek. 609 Comment
  CHSC111725  Cypripedium californicum Lowell Ahart 2012-7-1 18257 Plumas On the east side of the dirt road to the large pip ... Field redacted by CHSC, contact the data manager for more information 807 Comment
  RSA212130  Cystopteris fragilis L. S. Rose 1969-6-23 69046 Plumas 10 mi SW of Quincy; La Porte Road 1250 Comment
  SD9848  Cystopteris fragilis Mrs. R. M. Austin 1876-1 Plumas Comment
  SEINET3871059  Cystopteris fragilis Lewis S. Rose 1969-6-23 69046 Plumas 10 mi SW of Quincy La Porte Road.; 0 1250 Comment
  CHSC102379  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16132 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  UCSB46169  Dactylis glomerata Reisentz, Paul 1979-5-12 Plumas 1.0 mi W on North Fork Camp Road from Hwy 70; 2 mi N of Beldon Comment
  CAS-BOT-BC186621  Danthonia californica John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54162 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CAS-BOT-BC189665  Danthonia californica David D. Keck 1944-7-8 5431 Plumas Sierra Nevada. 5 miles north of Quincy, on road to Keddie. 1005 Comment
  CAS-BOT-BC189658  Danthonia californica John Thomas Howell 1960-7-21 35806 Plumas Lassen Volcanic National Park. Terminal Geyser. 1828 Comment
  UCD61325  Danthonia unispicata Beecher Crampton 1954-5-10 1867 Plumas 1 mile west of Portola, Hwy. 24. 1472 Comment
  CAS-BOT-BC76210  Darlingtonia californica J. W. Congdon 1893-6-1 s.n. Plumas Near Quincy. Comment
  UC635467  Darlingtonia californica Mrs. H. M. Hall 1927-4-20 Plumas Butterfly Valley Comment
  UCD119072  Darlingtonia californica Barry Rice 2010-6-10 BR 100602 Plumas South of Butterfly Valley. Comment
  SEINET12007451  Darlingtonia californica C. C. Parry, Lemmon, J. G. 1876-1 s.n. Plumas Butterfly Valley, N.E. Cal Comment
  SEINET6647405  Darlingtonia californica L. S. Rose 1963-6-3 63109 Plumas Butterfly Valley, 2 miles SW of Keddie 914 Comment
  CHSC100724  Delphinium depauperatum L. P. Janeway; B. Castro 2008-6-8 9403 Plumas Northern High Sierra Nevada. About 170 m west of Crocker Creek, on west side of Beckwourth-Genesee Road 1.5 km north of Crocker Guard Station. 1713 Comment
  CHSC21303  Delphinium depauperatum F. T. Griggs; A. Pass 1975-7-8 113 Plumas Buck's Lake. Comment
  UCD95707  Delphinium depauperatum W. R. Powell 1968-7-2 1599 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CAS-BOT-BC8659  Delphinium gracilentum f. versicolor E. K. Balls; L. W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy. 40 alt. 609 Comment
  UC188633  Delphinium nudicaule Mrs. R. M. Austin April 1877 Plumas Comment
  JEPS60599  Delphinium nudicaule E. Fritz 1936-5-27 Plumas Spring Hill trail Meadow Valley 1371 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
  CHSC45508  Delphinium nuttallianum Lowell Ahart 1976-6-18 1141 Plumas Near Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  RSA107041  Delphinium nuttallianum E. K. Balls, Lee W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy 40. 610 Comment
  SEINET5338054  Delphinium nuttallianum A. A. Heller, P. B. Kennedy 1907-7-3 8702 Plumas Hills above Red Clover Valley. Comment
  SJSU15163  Delphinium polycladon N. Hopkins 1993-5-26 1722 Plumas Dyson Lane, NE corner of Sierra Valley Comment
  CHSC75948  Deschampsia cespitosa subsp. cespitosa G. F. Hrusa 1996-8-2 13441 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Springline forming trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1850 Comment
  POM365010  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor Comment
  CHSC58051  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1992-6-2 4977 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  SD34473  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor; in mountain meadow in open pine forest 1829 Comment
  RSA715681  Deschampsia elongata L. Ahart 2005-8-9 12275 Plumas in a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1598 Comment
  SEINET10508570  Deschampsia elongata Lowell Ahart 1985-7-3 Ahart 5100 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CHSC43430  Descurainia incana Lowell Ahart 1975-7-20 911 Plumas Near Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC63124  Descurainia incana Lowell Ahart 1994-7-7 7451 Plumas Plumas/Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south-east of Pilot Peak. 2011 Comment
  CHSC36944  Descurainia pinnata M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  CHSC37022  Descurainia pinnata M. S. Taylor 1982-5-19 4480 Plumas Ridgetop, ca. 1.5 mi e of Portola, on edge of Ramelli Ranch boundary. 1755 Comment
  UC1126758  Descurainia pinnata E. Sawyer 1935-6-10 89 Plumas 4.5 mi se Sugarloaf; Sierraville Quad. 1493 Comment
  SEINET10448462  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-17 Taylor 4463 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
  CHSC41424  Dicentra pauciflora Lowell Ahart 1986-6-4 5324 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  CAS-BOT-BC402609  Dicentra uniflora Anna Head 1921-6-26 s.n. Plumas Near Gold Lake, Feather River Region Comment
  SD6385  Dichelostemma multiflorum Mrs. Rae Austin 1879-1 Plumas Big Meadows. Comment
  SEINET10533981  Dichelostemma multiflorum A. Arthur Heller 1938-6-14 Heller 15159 Plumas Shaded gravelly places near Gray's Flat on Highway #24, 2850 feet. The flowers are fewer and not so deeply colored as in the typical form common near Chico. Comment
  CAS-BOT-BC292273  Dieteria canescens John Thomas Howell 1977-8-11 52674 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  JEPS120754  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  CHSC65126  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1995-7-24 7119 Plumas N of Chester n Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CAS-BOT-BC151813  Diplacus mephiticus Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsonville, on road from Mohawk Comment
  CAS-BOT-BC151817  Diplacus mephiticus John Thomas Howell 1951-6-27 27609 Plumas Jamison Creek - Sierra Nevada 1950 Comment
  CAS-BOT-BC151823  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 Plumas Along a side road, north of Cleghorn Bar Road, about 1 3/4 miles northwest of Finger Board, about 4 1/4 miles northwest of Pilot Peak 1828 Comment
  CAS-BOT-BC151853  Diplacus mephiticus David D. Keck 1932-7-6 1714 Plumas Eight miles north of Greenville on road to Prattville - Sierra Nevada 1463 Comment
  CAS-BOT-BC151857  Diplacus mephiticus Alice Eastwood 1927-6-1 14592 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC53220  Diplacus mephiticus L. P. Janeway 1989-6-9 3277 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  SJSU14322  Diplacus mephiticus N. A. Hopkins 1989-6-7 1526 Plumas c. 0.75 mi E of Dixie Valley 1920 Comment
  CAS-BOT-BC153949  Diplacus pygmaeus John Thomas Howell; H. Keith Wagnon 1980-5-27 53606 Plumas 1 mile west of Almanor 1386 Comment
  CHSC62591  Diplacus torreyi B. Castro 1987-6-21 131 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  SEINET14196670  Diplacus torreyi A. A. Heller, P. B. Kennedy 1907-7-11 8819 Plumas Prattville. Comment
  CAS-BOT-BC151253  Diplacus torreyi Ella Dales Cantelow 1940-5-10 2318 Plumas W. of Bucks Lake Comment
  CAS-BOT-BC151257  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River 1615 Comment
  CAS-BOT-BC151683  Diplacus torreyi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade Comment
  CAS-BOT-BC151687  Diplacus torreyi Hans Leschke; Gillett 1957-7-13 s.n. Plumas Betw. Devil's Kitchen and Bench Lake - Lassen Volcanic National Park Comment
  RSA0091942  Dodecatheon Bonnie C. Templeton 1968-1 11298 Plumas [No location data on label. Possibly Trinity County.] Comment
  SEINET8564046  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  CAS-BOT-BC136149  Dodecatheon alpinum John Thomas Howell 1951-6-27 27612 Plumas Jamison Creek - Sierra Nevada 1950 Comment
  UC105773  Dodecatheon alpinum Mrs. R. M. Austin July 1896 376 Plumas Lassens Peak Comment
  SEINET10940265  Dodecatheon hendersonii subsp. hendersonii Mary Susan Taylor 1982-5-6 Taylor 4406 Plumas T24N R9E nw sec 24. Bucks Lake NE quad. On serpentine, e side of 24N29, ca. 1 mi e of Meadow Valley just n of Meadow Valley Creek. 3750 ft. 1143 Comment
  RSA252427  Downingia bacigalupii R. F. Thorne, C. W. Tilforth 1969-9-6 39246 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  RSA641458  Downingia bacigalupii Michael A. Vincent 1999-7-7 8539 Plumas Plumas National Forest; Beckwourth Ranger District. Along Rt. A23, just S of Rt. 70, SW of Beckwourth. Comment
  CAS-BOT-BC41397  Draba verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather Rivers south side, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  CHSC60529  Draba verna var. aestivalis L. P. Janeway 1992-4-2 4148 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. Meadow. 1484 Comment
  JEPS84397  Drosera X obovata 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
  UCD99508  Drosera anglica Barry Rice 2009-7-4 BR 090701 Plumas southwest of Longville. Comment
  UCD99523  Drosera filiformis Barry Rice 2009-6-26 BR 090601 Plumas in Butterfly Valley Botanical Area. Comment
  CAS-BOT-BC401583  Drosera rotundifolia Malcom A. Nobs; S. Galen Smith 1949-8-19 1446 Plumas At Butterfly Valley Comment
  CAS-BOT-BC401587  Drosera rotundifolia Lewis S. Rose 1963-6-3 63094 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1158 Comment
  UC1127100  Drosera rotundifolia Beryl O. Schreiber 1938-7-10 2532 Plumas near Meadow Valley (stagnant pond); Plumas National Forest, Bidwell Bar Quadrangle, Grubstake Fl 1066 Comment
  RSA0011665  Drosera rotundifolia R. F. Thorne 1974-7-30 45012 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  RSA0055038  Drosera rotundifolia Anonymous s.n. Plumas [Unspecified] Comment
  CAS-BOT-BC159679  Drymocallis glandulosa Lewis S. Rose 1963-6-3 63090 Plumas Butterfly Valley, 2 mi. sw of Keddie 1188 Comment
  JEPS115702  Drymocallis glandulosa var. glandulosa Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15864 -B Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  CAS-BOT-BC534972  Drymocallis glandulosa var. reflexa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54156 Plumas Sierra Nevada, 3.25 miles W of Round Valley Reservoir dam 1633 Comment
  JEPS95545  Drymocallis lactea var. austiniae Lowell Ahart 1994-6-29 7415 Plumas about 1/2 mi S of Bucks Lake (along a poor logging road) 1828 Comment
  UC114408  Drymocallis pseudorupestris var. saxicola Mrs. R. M. Austin July 1896-July 1899 387 Plumas Lassens Peak Comment
  CAS-BOT-BC113790  Dulichium arundinaceum V. Oswald; Lowell Ahart 1988-8-4 3662 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park. 1676 Comment
  JEPS87168  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5037 Plumas 5 air mi ssw of Graeagle ((via Gold Lake Forest Hwy, County Rd 519, just w of Lakes Basin Campground, Grass Lake); Grass Lake 1926 Comment
  RSA59674  Dulichium arundinaceum E. K. Balls 1950-9-9 15742 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  JEPS122174  Eleocharis acicularis var. occidentalis Lowell Ahart 2014-8-20 19716 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CAS-BOT-BC113495  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  CHSC40265  Eleocharis bella Lowell Ahart 1985-7-11 5137 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-BC113505  Eleocharis bella Claire Etienne 1969-7-26 283 Plumas Off Middle Fork of Feather River, Hwy 89, near Graeagle, 1280 Comment
  CAS-BOT-BC113384  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 17 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC113386  Eleocharis engelmannii var. detonsa Clarence Roy Quick 1952-9-5 52 -304 Plumas Wet place NW of Almanor Comment
  RSA184932  Eleocharis obtusa var. engelmannii L. S. Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  CAS-BOT-BC112079  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  CHSC78472  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6913 Plumas Northern High Sierra Nevada. Small meadow at head of branch of Axford Creek; southeast edge of Granite Basin (but not granite substrate). 1609 Comment
  SEINET7587009 Image available Eleocharis quinqueflora Lowell Ahart 2000-5-21 8384 Plumas Butterfly Valley, about 5 miles (air) northwest of Quincy. 1006 Comment
  RSA508598  Elodea canadensis Mrs. R. M. Austin s.n. Plumas [no locality information provided] Comment
  SEINET10501558  Elodea canadensis Mary Susan Taylor 1982-6-11 Taylor 4640 Plumas T28N R7E nw/se sec 5. Chester quad. S side of Hwy 36, w side of Lake Almanor, ca. 0.5 mi e of Chester. 4500 ft. 1372 Comment
  CAS-BOT-BC227603  Elymus elymoides John Thomas Howell 1951-6-27 27564 Plumas Johnsville 1584 Comment
  CAS-BOT-BC227607  Elymus elymoides Clare B. Hardham 1978-8-11 21764 Plumas About 5 mile southeast of Thompson Peak Comment
  CHSC97530  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2007-6-16 14143 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS113649  Elymus elymoides subsp. californicus Lowell Ahart, John Dittes 2007-6-16 14143 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1024734  Elymus elymoides subsp. elymoides Leo Whitney 1934-8-12 3047 Plumas The Cate Place Plumas National Forest, Big Grizzley Valley (ca 10 mi w of Portola) 1828 Comment
  JEPS121764  Elymus elymoides var. brevifolius B. Castro and L. P. Janeway 2009-8-29 1800 D Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.13 mi S of the Buckhorn survey monument; 0.2 mi upslope of the jcn of USFS Rd 23N69 and Rd 23N36Y ( to Martin Mine). Comment
  RSA2501309  Elymus glaucus J. T. Howell 1960-7-18 35598 Plumas Lassen Volcanic National Park; Meadow near bath house, Drakesbad 1677 Comment
  SJSU13915  Elymus glaucus N. A. Hopkins 1985-8-27 1312 Plumas Grass Lake 1767 Comment
  CAS-BOT-BC206503  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 Plumas Canyon of Butterfly Creek - Sierra Nevada` 1036 Comment
  CAS-BOT-BC206511  Elymus glaucus subsp. glaucus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54320 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville - Sierra Nevada 1219 Comment
  CAS-BOT-BC206521  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 A Plumas Canyon of Butterfly Creek just above its mouth, Plumas Canyon - Sierra Nevada 1036 Comment
  CAS-BOT-BC206799  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5427 Plumas 1 mile N of Quincy across Spanish Creek 1066 Comment
  CAS-BOT-BC206507  Elymus glaucus subsp. glaucus John Thomas Howell 1960-7-18 35608 Plumas Drakesbad, near hot springs - Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC213821  Elymus repens John Thomas Howell 1976-7-15 51832 Plumas Quincy - Sierra Nevada 1051 Comment
  CAS-BOT-BC204212  Elymus stebbinsii subsp. septentrionalis John Thomas Howell; Gordon H. True 1968-6-12 44561 Plumas Near Lewisia Rock in Feather River Canyon 609 Comment
  CAS-BOT-BC204405  Elymus trachycaulus subsp. trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  CHSC102381  Elytrigia intermedia subsp. barbulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16131 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC101950  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2009-7-13 16040 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC392227  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-3 s.n. Plumas Rich Gulch 1173 Comment
  SEINET8655891  Ephedra viridis W. Harnach 2014-4-29 1387 Plumas 1.2 miles north of Chilcoot on Frenchman Rd. than 1.45 miles NE of USFS Rd. 24N88. 1654 Comment
  CAS-BOT-BC165922  Epilobium Clare B. Hardham 1978-8-11 21775 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC28704  Epilobium brachycarpum R. A. Schlising; C. A. Lawler 1979-8-22 3475 Plumas 7.9 mi W of Portola on Hwy 89, at jct with Delleker Road. At roadside and in ditches. Comment
  CHSC70332  Epilobium brachycarpum R. A. Schlising 1981-8-2 4180 Plumas Just N of Butte County line at Humboldt Peak, in basin draining into Scotts John Creek. 2011 Comment
  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
  CHSC81135  Epilobium campestre Lowell Ahart 2001-8-29 9229 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC5258  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Near Willoughby Mine, Gold Lake Region. Comment
  CHSC108465  Epilobium canum subsp. latifolium Lowell Ahart 2011-9-17 17674 Plumas On the south side of the paved road, about 50 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC19717  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 Plumas Found along road. Ca. 1/2 mi N of Nelson Creek in Section 36 near Zumwalt Flat. Ca. 11 mi s of Sloat. 1676 Comment
  JEPS122106  Epilobium canum subsp. latifolium Lowell 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. Comment
  RSA59186  Epilobium canum subsp. latifolium E. K. Balls, R. Weatherby 1950-9-1 15612 Plumas East of Long Lake, cliffs above meadow sloping down to two smaller lakes. 2134 Comment
  UC107727  Epilobium canum subsp. latifolium R. M. Austin Aug 1896 559 Plumas Indian Valley Comment
  CHSC113888  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS113587  Epilobium ciliatum subsp. glandulosum Lowell Ahart, Josephine Guardino 2007-7-20 14345 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CHSC115212  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas West side of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 mile (air) west of La Porte. 1411 Comment
  CHSC88155  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2004-7-27 11316 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  JEPS102619  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-7-19 8943 Plumas On the banks 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
  JEPS107627  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart, Josephine Guardino 2005-8-9 12292 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
  UCD106480  Epilobium hallianum Dean W. Taylor 1976-7-9 6188 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  UC1075674  Epilobium hallianum Robert J. Weatherby 1955-7-2 1583 Plumas Wilcox Valley 1767 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
  CHSC34298  Epipactis gigantea M. S. Taylor 1981-7-26 4110 Plumas N side of Caribou Rd, just e of where French Creek crosses, 4.4 mi ne of jct Caribou Rd and Hwy 70 near Beldon. 944 Comment
  CHSC62145  Epipactis gigantea L. P. Janeway 1993-6-30 4406 Plumas Plumas National Forest. Along Hwy 70 in canyon of East Branch North Fork Feather River, 3.8 mi southwest of Hwy 89. 868 Comment
  JEPS64366  Epipactis gigantea W. L. Jepson 1918-8-16 8025 Plumas Clover Creek Canyon 1615 Comment
  CAS-BOT-BC58025  Equisetum John Thomas Howell 1967-6-22 42648 Plumas Sierra Nevada, Rock Creek Power House, Canyon of the Feather River North Fork. 548 Comment
  CAS-BOT-BC57009  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas Quincy quad., n edge of Spanish Creek, Gansner Park, Quincy 1036 Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC204595  Eragrostis mexicana subsp. virescens John Thomas Howell 1959-9-21 34807 Plumas Near Paxton 883 Comment
  CHSC21830  Eremogone cliftonii D. Brink; L. Mayer 1975-7-9 Plumas Buck's Lake. Comment
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  CHSC75487  Eremogone congesta var. congesta G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3098 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET12875574 Image available Eremogone congesta var. subcongesta Barbara Ertter, Gary Schoolcraft 1989-1 8666 Plumas Diamond Mt. Peak ca. 7 airmiles S of Susanville, T28N R11E Sec 1 SW. 2316 Comment
  UC1748297  Eremogone kingii var. glabrescens L. P. Janeway 2000-6-24 6831 Plumas 0.3 km SW of Crystal Peak ( top of spur ridge); Northern High Sierra Nevada, Diamond Mountains 2304 Comment
  CAS-BOT-BC174390  Eremogone macradenia var. macradenia Merrel Ackley; Alice Ackley 1967-5-15 s.n. Plumas Feather River Canyon (N. Fork) at Chambers Creek 609 Comment
  SEINET10546847  Eriastrum Mary Susan Taylor 1981-7-6 Taylor 3983 Plumas T25N R15E s half se sec 31. Dixie Mt quad. Open bare site, N side of Ross Canyon Rd (25N31), 0.7 mi E of its jct with Dixie Valley Rd, ca. 16 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  CAS-BOT-BC286646  Ericameria bloomeri John Thomas Howell; Gordon H. True 1973-7-31 50076 Plumas Summit ridge of Thompson Peak. Diamond Range 2362 Comment
  CHSC65484  Ericameria bloomeri L. P. Janeway 1995-9-19 4935 Plumas Along sides of dirt road on upper flank of southern tip of Crocker Mountain. 2194 Comment
  CAS-BOT-BC286661  Ericameria bloomeri John Thomas Howell 1960-7-24 35990 Plumas Kelly Camp, just outside Lassen Park 1615 Comment
  JEPS114597  Ericameria nauseosa var. speciosa Lowell Ahart 2008-9-10 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  JEPS21505  Ericameria nauseosa var. speciosa W. L. Jepson 1939-8-12 19387 Plumas at the sw edge of Honey Lake (Black Mt.); Diamond Mts., Black Mt. 1981 Comment
  CHSC76797  Erigeron annuus L. P. Janewy 1997-9-29 5362 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Roadside opening in bottom of deep canyon. Along edges of dirt road. 944 Comment
  CHSC36920  Erigeron bloomeri M. S. Taylor 1982-6-10 4628 Plumas Along 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1676 Comment
  SEINET10872042  Erigeron bloomeri Mary Susan Taylor 1982-6-10 Taylor 4628 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  CHSC52762  Erigeron bloomeri var. bloomeri L. P. Janeway 1989-7-7 3468 Plumas Plumas National Forest. Northeast side of Red Clover Valley; along road 24N23 0.5 mi SE of road 26N70 (the road to Laufman); vicinity of Lava Spring. 1691 Comment
  CHSC72298  Erigeron compositus L. P. Janeway; Glenn Clifton 1998-7-9 5736 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CAS-BOT-BC296003  Erigeron divergens Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC296007  Erigeron divergens L. P. Janeway 1991-6-18 4050 Plumas 3 1/2 mi southwest of Portola ca 100 ft. west of Middle Fork Feather River, Plumas National Forest, Beckwourth Range District, Clio Compartment 1463 Comment
  CAS-BOT-BC296011  Erigeron divergens A. A. Heller; P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee Valley and Summit Comment
  JEPS21563  Erigeron eatonii var. plantagineus L. T. Dempster 1958-7-13 1155 Plumas about 5 mi s Beckwourth (meadow beside road) 1493 Comment
  OBI50214  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas W side of ridge between Diamond Mt and Red rocks, ca 8 airmiles S of Susanville; stem slope near snowbank above meadow, T28N R11E sec 11 NE1/4 2225 Comment
  RSA0091208  Erigeron eatonii var. plantagineus Bonnie C. Templeton 1968-1 11278 Plumas [No location data on label. Possibly Trinity County.] Comment
  SD131997  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas West side of ridge between Diamond Mountain and Red Rock; 8 miles south of Susanville. 2225 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
  JEPS16621  Erigeron glacialis var. glacialis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3950 Plumas about 1.5 mi n Sierra County border (meadow at end of road and beginning of trail to Long Lake); Mt. Elwell region 1981 Comment
  CDA4953  Erigeron inornatus T. C. Fuller 1959-7-6 4302 Plumas Northeast of Lake Almanor, 2 miles west of Clear Creek Junction. 0 Comment
  CHSC102663  Erigeron inornatus var. inornatus Lowell Ahart; John Dittes 2009-8-28 16356 Plumas On dry bare soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC23619  Erigeron inornatus var. inornatus J. Cox 1975-7-24 Plumas E side of Lake Almanor. Comment
  CHSC55662  Erigeron inornatus var. inornatus K. R. Stern 1985-6-25 8238 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC66752  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1996-8-14 8163 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Edge of the road. 1706 Comment
  JEPS107693  Erigeron inornatus var. inornatus Lowell Ahart, John Dittes 2005-9-20 12456 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 1984 Comment
  CAS-BOT-BC295497  Erigeron lassenianus var. lassenianus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  RSA755448  Erigeron lassenianus var. lassenianus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16129 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CHSC72435  Erigeron nevadincola L. P. Janeway 1998-6-24 5681 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  CHSC72436  Erigeron nevadincola L. P. Janeway 1998-7-1 5705 Plumas 50 ft west (downhill) of Road 25N11, 0.4 mi northwest of Cottonwood Campground. 1767 Comment
  CHSC48152  Erigeron petrophilus var. sierrensis Vernon Oswald 1986-7-10 2192 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC63955  Erigeron petrophilus var. sierrensis B. Castro; J. Jurewicz 1991-8-1 475 Plumas Along USFS Rd 22N29 down the narrow SW-trending ridge from Arkansas Ravine, and separating Bear Gulch on the W from Pigtail and Hunter's Ravines on the E. 1463 Comment
  CHSC66912  Erigeron petrophilus var. sierrensis James D. Jokerst 1992-1-1 3439 Plumas Comment
  CHSC82080  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  UC1118182  Erigeron pumilus var. intermedius E. Sawyer 1935-6-27 164 Plumas Charlies Valley Sierraville Quad., Plumas national Forest, Charlies Valley 1524 Comment
  JEPS100498  Erigeron reductus var. reductus Dean W. Taylor 2001-7-9 17826 Plumas Round Lake, Lakes Basin, along the Round Lake trail just about 200 meters East from the small unnamed tarn East of Round Lake Mine (site) Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  UCD119306  Eriodictyon lobbii G. F. Hrusa 1989-6-25 7195 Plumas Above Bucks Lake. 2286 Comment
  CAS-BOT-BC244040  Eriogonum baileyi var. praebens Lewis S. Rose 1934-7-23 34417 Plumas Chilcoot 1524 Comment
  SEINET8655782  Eriogonum baileyi var. praebens W. Harnach 2015-7-26 1434 Plumas Beckwourth Pass 1594 Comment
  CHSC62480  Eriogonum elatum var. elatum L. P. Janeway 1993-8-10 4513 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. Around the sagebrush in sagebrush flats. 1487 Comment
  CHSC37711  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Rd (23N48), ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 1645 Comment
  RSA766499  Eriogonum incanum Joseph A. Ewan 1934-7-16 8524 Plumas Mt. Elwell trail above Long Lake. Sierra Nevada. 2073 Comment
  CAS-BOT-BC259353  Eriogonum lobbii M. S. Taylor 1982-8-5 4930 Plumas Mt Hough summit, on cliff edge, ca. 7 mi nne of Quincy 2194 Comment
  CHSC98939  Eriogonum lobbii L. P. Janeway; David Toren 2007-10-10 9218 Plumas Northern High Sierra Nevada. Granite Basin; north-south trending ridge between Little North Fork Middle Fork Feather River and Frazier Creek. 1605 Comment
  CHSC21200  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-17 211 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET11933014  Eriogonum nudum W. Knight, Knight, I. 1983-1 4911 Plumas 2 mi out of Chester on road to Drakesbad Comment
  CAS-BOT-BC261366  Eriogonum nudum var. deductum Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC261364  Eriogonum nudum var. deductum Anna Head 1920-7-23 s.n. Plumas Slope of Mt. Ellwell [Elwell], Feather River Region 2133 Comment
  CHSC93101  Eriogonum nudum var. nudum L. P. Janeway 1994-7-8 4690 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  CAS-BOT-BC261603  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54314 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  CAS-BOT-BC269729  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-8-30 5075 Plumas Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville 1920 Comment
  UC726279  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas near Gray's Flat (along the Feather River Highway) 868 Comment
  RSA21706  Eriogonum pedunculatum Carl B. Wolf 1937-8-6 9066 Plumas Northern Sierra Nevada, Mohawk Valley, 2 mi N of Blairsden. 1341 Comment
  UC1075638  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas side of Mt. Elwell Lakes Basin Area, Mt. Elwell 2225 Comment
  RSA52901  Eriogonum spergulinum var. reddingianum R. Weatherby 1950-8-11 1522 Plumas Barren gravelly soil, in fir belt on slopes of Mt. Elwell, Lakes Basin Area. 2226 Comment
  CAS-BOT-BC262749  Eriogonum strictum var. anserinum Alice Eastwood 1918-5-25 7041 Plumas Portola Comment
  SEINET5331655  Eriogonum strictum var. anserinum A. A. Heller, P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley. Comment
  NY399135  Eriogonum umbellatum var. dumosum Anonymous s.n. Plumas Comment
  JEPS118578  Eriogonum umbellatum var. furcosum L. P. Janeway 2009-8-13 9922 Plumas Northern High Sierra Nevada. Plumas National Forest; 1.3 km south of the top of Mt Ararat along its extended broad ridgeline. Haskins Valley 7.5' quad. Comment
  CHSC41898  Eriogonum umbellatum var. modocense Lowell Ahart 1986-7-25 5371 Plumas Along Cleghorn Bar Road, about 1 1/2 mi west of Finger Board, about 4 mi northwest of Pilot Peak. 1828 Comment
  CHSC70270  Eriogonum umbellatum var. modocense B. Castro; R. Fallscheer, R. Zebell 1989-8-7 367 Plumas Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, at jcn USFS Rds 23N18, 23N15 and 23N69. 1786 Comment
  CHSC91916  Eriogonum umbellatum var. modocense Lowell Ahart; Josephine Guardino 2005-8-9 12288 Plumas North of Fant Creek, about 50 yards north 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
  CHSC97250  Eriogonum umbellatum var. nevadense Lowell Ahart; John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  UC723897  Eriogonum umbellatum var. nevadense Joseph Andorfer Ewan 1934-7-16 8511 Plumas Long Lake Mount Elwell region, Long Lake 2072 Comment
  RSA0118774  Eriogonum umbellatum var. polyanthum Lowell A. Ahart 2011-9-17 17672 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1646 Comment
  RSA325097  Eriogonum umbellatum var. polyanthum Mary Taylor 1982-8-4 4912 Plumas Along 25N10W, ca. 1 mi. ne of Taylor Rock, ca. 6 air mi ne of Quincy. Dry gravelly soil in Mixed Evergreen Forest. 1738 Comment
  JEPS114174  Eriogonum umbellatum var. speciosum L. P. Janeway 2001-8-5 7420 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). Comment
  CAS-BOT-BC262244  Eriogonum ursinum John Thomas Howell 1951-6-27 27630 Plumas Jamison Creek 1828 Comment
  UC367078  Eriogonum ursinum Lemmon 1874-8-1 Plumas Mohawk Val. Comment
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Oct 3 2012
  CAS-BOT-BC262246  Eriogonum ursinum John Thomas Howell 1967-6-23 42725 Plumas 4 miles east of Rich Bar, East Branch Feather River 762 Comment
  CAS-BOT-BC262261  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam 1219 Comment
  NY399806  Eriogonum ursinum R. M. Austin s.n. Plumas Lights [illegible] Canyon Comment
  RSA766452  Eriogonum ursinum Joseph A. Ewan 1934-6-26 8295 Plumas Frazier Creek Falls, Gold lake road 1829 Comment
  CHSC80860  Eriogonum ursinum var. ursinum Lowell Ahart 2001-7-17 8925 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC84500  Eriogonum vimineum John Dittes; Lowell Ahart 2003-8-8 2003 -84 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  JEPS104634  Eriogonum vimineum Lowell Ahart 2003-8-8 10485 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  UCD101523  Eriogonum vimineum John Thomas Howell 1955-7-19 30807 Plumas Vinton. 1508 Comment
  RSA706445  Eriogonum vimineum James 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, 877 Comment
  UC965635  Eriogonum vimineum Herbert L. Mason 1952-7-17 14379 Plumas 3 mi from Loyalton (on road to Beckwourth); Sierra Nevada, Sierra Valley 1524 Comment
  CHSC66648  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1996-7-15 8049 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. High Cascade Range. 1371 Comment
  CHSC78747  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas Northern High Sierra Nevada. Seepy springy mossy drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  CAS-BOT-BC300952  Eriophyllum lanatum Lloyd W. Swift 1931-5-25 50 Plumas Plumas National Forest. Murdock Crossing 1676 Comment
  CDA20148  Eriophyllum lanatum var. croceum B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 1207 Comment
  CAS-BOT-BC308263  Eriophyllum lanatum var. integrifolium M. S. Taylor 1981-7-6 3965 Plumas S side of 24N02Y ca. 1/2 mi. W of N tip of Frenchman Lake, ca. 13 air mi. NW of Chilcoot 1767 Comment
  CHSC113610  Eriophyllum lanatum var. integrifolium Lowell Ahart 2014-8-26 19776 Plumas Gravel bars 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
  CHSC60524  Eriophyllum lanatum var. integrifolium L. P. Janeway; Jannice Cutler 1992-5-27 4206 Plumas Plumas National Forest. South side of Dotta Canyon 2.2 mi southeast of Beckwourth-Genesee Road. Between forest and meadow. 1706 Comment
  UCD132226  Eriophyllum lanatum var. integrifolium N. Hopkins 1973-6-19 553 Plumas Sierra Valley. Comment
  SEINET10839140  Eriophyllum lanatum var. integrifolium Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4327 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10841502  Erysimum capitatum Mary Susan Taylor 1982-6-2 Taylor 4606 Plumas T23N R11E nw/ne sec 22. Johnsville quad. S side of Poplar Creek Rd (23N08), 0.1 mi e of bridge, ca. 1 mi s of Sloat. 4200 ft. 1280 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CHSC43356  Erythranthe glaucescens Lowell Ahart 1975-7-2 829 Plumas On the west side of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  CHSC102099  Erythranthe guttata Lowell Ahart; John Dittes 2009-7-28 16202 Plumas On wet soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  SEINET14045706 Image available Erythranthe guttata Francis W. Pennell 1940-1 25813 Plumas Route 24 west of Mohawk R.S. 1463 Comment
  SD61134  Erythranthe lewisii Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest 1981 Comment
  OBI76974  Erythranthe moniliformis Anthony Baniaga 2011-7-26 468 Plumas Lassen Natl Forest. Jctn of F.S. 10 and "U" spur. Red Cinder quad T29N R7E sec 3 Se of SE 1794 Comment
  SEINET14349591  Erythranthe moschata E. K. Balls 1950-8-30 15507 Plumas North Fork Feather River, on Hwy 24, 21 miles from Quincy. Comment
  CHSC64466  Erythranthe primuloides B. Castro 1994-9-8 545 Plumas Ca 1.2 air mi SE of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy on slope among Haskins Valley USFS Summer Home Tract cabins, where seeps and springs surface. 1627 Comment
  CHSC97072  Erythranthe primuloides Lowell Ahart; Josephine Guardino 2007-7-21 14365 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  SEINET14375785  Erythranthe tilingii M. J. Williams, J. T. Howell 1966-7-11 s.n. Plumas Near Luther Ridge, above Johnsville. 2271 Comment
  CHSC49652  Erythronium purpurascens Vernon Oswald 1986-6-6 2090 Plumas LaPorte-Quincy Rd. at its jct. With the Pacific Crest Trail. 2011 Comment
  RSA30124  Erythronium purpurascens J. T. Howell 1951-6-28 27684 Plumas Eureka Peak 1982 Comment
  RSA28155  Erythronium purpurascens Elmer I. Applegate 1929-6-20 5772 Plumas Upper Kings Meadow, east base of Lassen Butte Comment
  CAS-BOT-BC403355  Eschscholzia californica Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve. Chilcott [Chilcoot] Comment
  UC855169  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy; Indian Valley 1097 Comment
  CAS-BOT-BC403349  Eschscholzia californica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2379 Plumas Across road from old homestead in Butterfly Valley Comment
  CAS-BOT-BC310383  Eucephalus breweri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS2491  Eucephalus breweri Mrs. Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2103 Comment
  SBBG126092  Eucephalus breweri L. Ahart 2011-9-20 17678 Plumas dirt rd on N side of Pilot Peak, ca. 9 mi (air) NE of La Porte 2072 Comment
  SD9118  Eucephalus breweri R. M. Austin 1881-1 Plumas Mt. Dyer 2135 Comment
  SEINET3386675 Image available Eucephalus breweri Lewis S. Rose 1932-9-5 32618 Plumas Jamison Lake 1890 Comment
  UC600727  Eucephalus breweri H. F. Copeland 1928-8-29 Plumas Humboldt Road (summit of) 2133 Comment
  CHSC37001  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi NE of Taylorsville. 2103 Comment
  JEPS114610  Eurybia integrifolia Lowell Ahart 2008-9-10 15377 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  JEPS127122  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  UC221459  Eurybia integrifolia H. E. Brown Aug 1 1897-Aug 15 1897 605 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC310535  Eurybia integrifolia Robert J. Weatherby 1955-8-12 1683 Plumas Meadow on upper Clear Creek, near Spanish Peak 1828 Comment
  UC297889  Eurybia integrifolia Milo S. Baker 1926-8-26 298 f-26 Plumas Lee's Camp Comment
  CAS-BOT-BC312258  Euthamia occidentalis M. S. Taylor 1981-9-2 4269 Plumas N tip of Round Valley Reservoir by road 204 ca. 3 air mi. S of Greenville 1371 Comment
  SD9114  Euthamia occidentalis Mrs. R. M. Austin Aug 1882 Plumas Big Meadows Comment
  CAS-BOT-BC413891  Fallopia convolvulus John Thomas Howell 1955-7-20 30860 Plumas Mohawk 1371 Comment
  CDA18700  Festuca G. D. Barbe, T. C. Fuller 1982-6-15 3711 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CAS-BOT-BC278465  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC53178  Festuca idahoensis L. P. Janeway 1989-7-11 3477 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  OBI21834  Festuca microstachys Lewis S. Rose 1967-6-12 67115 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  UCD105972  Festuca occidentalis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CHSC92822  Festuca pratensis Lowell Ahart; Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CAS-BOT-BC279021  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45800 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC278632  Festuca subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54381 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CHSC40918  Floerkea proserpinacoides Lowell Ahart 1977-6-20 1437 Plumas Meadow, 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  CHSC75401  Fragaria virginiana Vernon H. Oswald 1999-5-26 9729 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. On forest floor between the road and a meadow. 1371 Comment
  CAS-BOT-BC55673  Frangula purshiana David D. Keck 1932-7-3 1647 Plumas Quincy, in the Northern Sierra Nevada 1188 Comment
  CHSC111722  Frangula purshiana subsp. annonifolia Lowell Ahart 2012-7-1 18255 Plumas About 200 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  HSC99895  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12051 Plumas Road along Jamison Creek, west of Eureka-Plumas State Park. 1677 Comment
  CAS-BOT-BC53794  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC53800  Frangula rubra subsp. rubra Walter Knight; Irja Knight 1966-9-12 1754 Plumas Mouth of Butterfly Creek Comment
  RSA519208  Fraxinus latifolia M. Lee Overholtzer 1961-8-22 176 Plumas 1.5 miles above Gansner Bar Guard Station on North Fork of Feather River. Sierra Nevada Mt. Range, Feather River drainage area 737 Comment
  CHSC43366  Fritillaria atropurpurea Lowell Ahart 1975-7-9 858 Plumas About 1 mile west of Pilot Peak. 1981 Comment
  SD6484  Fritillaria atropurpurea Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  CAS-BOT-BC505271  Fritillaria atropurpurea Anna Head 1921-6-26 s. n. Plumas Feather River Region, Lake Center Camp Comment
  CAS-BOT-BC508206  Fritillaria atropurpurea Alice Eastwood 1927-6-1 14519 Plumas US Forest reserve, Forest Lodge, Greenville Comment
  SEINET10528537  Fritillaria pudica John G. Lemmon Lemmon s.n. Plumas Sierra Valley. Comment
  SD46741  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake, Lakes Basin Area 2194 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
  UCSB27409  Galium bolanderi Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1188 Comment
  CHSC43370  Galium grayanum Lowell Ahart 1974-10-1 641 Plumas On the west part of the Buzzard's Roost Ridge, about 1 mile north of Onion Valley, about 1 1/2 miles north-west of Pilot Peak. 1981 Comment
  JEPS95632  Galium grayanum var. grayanum Lowell Ahart 1994-7-20 7478 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna; ; ; <coords. cont.: NE 1/4>; Plumas or Sierra County 1981 Comment
  RSA165564  Galium grayanum var. grayanum Clare B. Hardham 1961-6-16 7439 Plumas Diamond Peak. 2256 Comment
  JEPS6515  Galium mexicanum var. asperulum R. H. Platt 1891-1 Plumas <illegible> Sierras Comment
  CHSC102748  Galium trifidum var. pacificum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16151 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
  CHSC65348  Galium trifidum var. pacificum Lowell Ahart 1995-10-1 7649 Plumas Onion Valley, east of Quincy LaPorte Road, about 1 mile north-west of Pilots Peak. 1828 Comment
  SEINET10500745  Galium trifidum var. pacificum Mary Susan Taylor 1982-8-17 Taylor 5005 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  CHSC101927  Galium triflorum Lowell Ahart; John Dittes 2009-7-13 16059 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
  UC1523193  Galium triflorum M. S. Taylor 1981-7-29 4150 Plumas 0.2 mi n North Branch of Ward Creek (along creek crossing 25N42-Flournoy Grade, ca 5 air mi se of Genesee); Genesee Valley quad. 1828 Comment
  CAS-BOT-BC169864  Garrya fremontii H. L. Mason 1924-6-18 1053 Plumas Road between Graeagle and Gold Lake Comment
  CAS-BOT-BC169866  Garrya fremontii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC21285  Garrya fremontii F. T. Griggs; A. Pass 1975-8-2 300 Plumas Buck's Lake forest Service Survey Comment
  RSA609423  Garrya fremontii Louis C. Wheeler 1958-7-30 7356 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  SEINET3451979  Garrya fremontii G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-26 3341 Plumas Bucks Summit, Bucks Summit, 0.75 miles northeast on Buck's Lake Road, at spring and seep area 1600 Comment
  SEINET10906889  Garrya fremontii Mary Susan Taylor, L. Hanson 1981-3-5 Taylor 3399 Plumas T25N R7E n half sec 13. Almanor quad. N side of Hwy 70, in Serpentine Canyon, ca. 5 mi e of Belden. Comment
  CHSC117626  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC103131  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16114 Plumas West of a man made depression about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC84460  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2003-8-8 10487 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  POM196390  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake. 1829 Comment
  RSA77968  Gayophytum diffusum subsp. parviflorum E. K. Crum 1937-8-7 1946 Plumas 3 miles west of Lake Almanor 1524 Comment
  RSA716798  Gayophytum heterozygum L. Ahart, John Dittes 2005-9-20 12448 Plumas On the S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2050 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
  SEINET10841106  Gayophytum humile Lowell Ahart 1985-7-11 Ahart 5142 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC40872  Gayophytum racemosum K. R. Stern 1985-6-25 8203 Plumas Vicinity of Blairsden. 1432 Comment
  CHSC115920  Gentiana calycosa L. P. Janeway 2015-8-16 11837 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  HSC101698  Gentiana calycosa Dillon North Davis, M. DeSiervo 2013-8-3 36 Plumas 10.3 miles south on FS Road 25N17 from intersection with Highway 70. Comment
  SEINET10454846  Gentiana calycosa Mary Susan Taylor 1982-8-4 Taylor 4920 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
  CHSC81788  Gentiana newberryi var. tiogana Lowell Ahart 2001-10-16 9390 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  UC405454  Gentianopsis holopetala Mrs. R. M. Austin 1875-1 Plumas Comment
  JEPS91320  Gentianopsis simplex Dean W. Taylor 1974-10-1 5053 Plumas Jamison Creek Drainage, above Jamison Lake drainage, ca 3 mi S of Plumas-Eureka State park 609 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
  CHSC60491  Geum triflorum L. P. Janeway; Jannice Cutler 1992-5-21 4190 Plumas Plumas National Forest. East end of Dotta Neck in Dotta Canyon 4.0 mi southeast from the Beckwourth-Genesee Road. 1722 Comment
  CAS-BOT-BC143554  Geum triflorum L. P. Janeway; Jannice Cutler 1992-5-21 4190 Plumas East end of Dotta Neck in Dotta Canyon 4.0 mi southeast from the Beckwourth-Genesee Road 1722 Comment
  CAS-BOT-BC293727  Gilia Mona Bourell; Bob Patterson 1982-5-15 1735 Plumas Beckworth Comment
  SEINET5906110 Image available Gilia capitata L. S. Rose 1967-1 67123 Plumas Rich Bar. Comment
  SEINET3163619  Gilia leptalea E. K. Balls 1950-9-5 15673 Plumas 0.5 mi. off Hwy 24, on La Porte Rd., e. of Quincy, Thompson Valley 1097 Comment
  UCD106146  Gilia leptalea subsp. leptalea Lewis S. Rose 1967-7-11 67159 Plumas 9.5 mi. ne. of Quincey Junction. 1249 Comment
  UC1075820  Gilia sinuata Verne Grant 1955-6-8 9666 Plumas ca 2 mi n Doyle; n of Doyle 1310 Comment
Read comments
May 2 2012
  CAS-BOT-BC123820  Githopsis latifolia A. L., Mrs. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  SEINET10920892  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 Ahart 12386 Plumas T27N, R11E, southwest 1/4 Section 35. Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  SEINET7297635 Image available Glyceria borealis Malcolm A. Nobs, S. Galen Smith 1949-1 1380 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester Comment
  CAS-BOT-BC282693  Glyceria elata Lowell Ahart 1978-9-13 s.n. Plumas Along Bird Creek west of Pilot Pk. 2000 Comment
  CAS-BOT-BC282697  Glyceria elata Alice Eastwood 1927-6-18 14706 Plumas Near Greenville Comment
  UC1738818  Glyceria elata Dean W. Taylor 1990-8-20 11465 Plumas Lassen National Park, Little Willow Lake, along a minor unnamed tributary 1844 Comment
  CAS-BOT-BC307393  Gnaphalium palustre Anna Head 1921-8-8 s.n. Plumas Lake Center Camp , Feather River Region Comment
  CHSC35939  Gnaphalium palustre M. S. Taylor 1982-6-28 4760 Plumas Ramelli Ranch, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC75458  Gnaphalium palustre G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  RSA59253  Gnaphalium palustre E. K. Balls 1950-8-31 15542 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  SEINET10872048  Gnaphalium palustre Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5180 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SJSU14267  Gnaphalium palustre N. A. Hopkins 1989-6-7 1513 Plumas Crocker Meadow on W side of Beckwourth-Genesee Rd c. 4 mi N of Beckwourth 1524 Comment
  CHSC33741  Goodyera oblongifolia M. S. Taylor; M. Foster 1981-7-14 4009 A Plumas Saddle at head of Bullfrog Ravine, up to 1/4 mi e and w of rd 26N18, ca. 3 air mi nw of Indian Falls. 1645 Comment
  CHSC42021  Goodyera oblongifolia Lowell Ahart 1986-7-25 5376 Plumas About 1 1/2 miles west of Sawmill Flat, about 4 1/2 miles west of Finger Board, about 7 miles north-west of Pilot Peak. 1767 Comment
  SEINET10470041  Goodyera oblongifolia Mary Susan Taylor 1981-7-21 Taylor 4080 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
  CAS-BOT-BC304928  Grindelia hirsutula M. S. Taylor 1981-8-31 4256 Plumas Both sides of Hwy 89, ca. 0.5 mi s of Clio 1341 Comment
  JEPS113898  Grindelia squarrosa var. serrulata L. P. Janeway and B. Castro 2007-8-18 9199 Plumas Northern High Sierra Nevada; Along Hwy 70 and East Branch North Fork Feather River at mouth of Soda Creek 893 Comment
  CAS-BOT-BC182429  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54113 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC231130  Hackelia amethystina Johnnie L Gentry, Jr. 1968-6-20 2076 Plumas Mount Hough, 10 miles NE of Quincy on Mount Hough-Crystal Lake Road 1905 Comment
  JEPS55563  Hackelia californica W. L. Jepson 1927-6-21 12281 Plumas near Rice Creek (Feather River meadows); Feather River Comment
  RSA31767  Hackelia nervosa A. A. Heller 1942-8-14 10521 Plumas Below the Sulphur Works Checking Station. Comment
  UC1560384  Hackelia nervosa E. Joyal and D. Mehlman 1988-7-3 1306 Plumas 11 mi n of Quincy; Plumas National Forest, Mount Hough 2000 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
  SEINET3365756 Image available Hastingsia alba Marcus E. Jones 1897-7-3 Plumas Pratville Comment
  CAS-BOT-BC508331  Hastingsia alba Lewis S. Rose 1963-6-5 63131 Plumas 3 miles norht of Quincy 1097 Comment
  CHSC34928  Hazardia whitneyi M. S. Taylor 1981-8-19 4220 Plumas S side of rd 23N10, 0.1 mi e of Bell Creek, ca. 1.5 mi w of Sloat. 1371 Comment
  CHSC73933  Hazardia whitneyi B. Castro; L. P. Janeway 1998-8-29 828 Plumas Ca 2 air mi N of Little Grass Valley Reservoir, beside Pacific Crest Trail 0.4 mi N of Fowler Lake, at its jcn with other trail into the lake. 1670 Comment
  CHSC45677  Hazardia whitneyi var. whitneyi Vernon Oswald 1986-8-7 2272 Plumas Old Hauns Rd. to Homer Lake trailhead, 7.6 mi ne of Hwy 89. On ridge. 1722 Comment
  CAS-BOT-BC306695  Helenium bigelovii John Thomas Howell 1924-8-10 615 Plumas Bog in Butterfly Valley, near Quincy Comment
  SBBG30612  Helenium bigelovii D. Myrick 1968-6-18 1941 Plumas Butterfly Valley, ca. 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC305312  Helianthella Clare B. Hardham 1960-6-15 7400 Plumas Sierra Nevada Mountains. Between Taylorsville and Engelmine 1219 Comment
  CAS-BOT-BC314801  Helianthella californica var. nevadensis John Thomas Howell; H. Keith Wagnon 1980-5-28 53697 Plumas Near Twain, East Branch North Fork Feather River, Sierra Nevada 914 Comment
  CDA6427  Helianthella californica var. nevadensis T. R. Haig 1962-8-9 Plumas 2 miles south of Graeagle. Comment
  RSA164327  Helianthella californica var. nevadensis Clare B. Hardham 1960-6-15 7400 Plumas Between Taylorsville and Engel mine. 1220 Comment
  SEINET3147436  Helianthus exilis E. K. Balls 1950-9-15 15800 Plumas 2 mi E of S tip of Lake Almanor, between Greenville and Lake Almanor, Hwy 89 1402 Comment
  CHSC12728  Hemizonella minima M. S. Taylor 1974-5-18 248 Plumas In Halstead Campgrounds, Plumas National Forest, ca. 18 mi nw of Quincy, off Hwy 70. 926 Comment
  CHSC57417  Hemizonella minima L. P. Janeway; Garrett Gibson 1991-6-13 4004 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CAS-BOT-BC313429  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  UC1191097  Hemizonella minima Francia Chisaki 1956-5-31 896 a Plumas on road to Calpine about 3 mi s junction with Highway #40; Sierra Valley Comment
  UCD132977  Hemizonia congesta subsp. clevelandii John Thomas Howell 1961-9-23 36825 Plumas Indian Valley; East of Crescent Mills on Stampfli Lane. 1082 Comment
  POM75581  Hesperochiron pumilus Mrs. R. M. Austin 1879-04 44 Plumas Big Meadows. Comment
  SD6698  Hesperochiron pumilus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  SEINET10497051  Hesperochiron pumilus Mary Susan Taylor 1982-5-6 Taylor 4407 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  CDA14660  Hesperolinon micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3099 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC113632  Heterocodon rariflorum Lowell Ahart 2014-8-31 19827 Plumas 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
  CHSC62100  Heterocodon rariflorum L. P. Janeway 1993-7-31 4488 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. 1066 Comment
  SEINET10972524  Heterocodon rariflorum Edward K. Balls 1950-9-15 Balls 15829 Plumas 6 MI NW OF CHESTER, N FORK FEATHER R. 4600 Comment
  JEPS95065  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 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
  CAS-BOT-BC424165  Heuchera micrantha var. erubescens John Thomas Howell; Gordon H. True 1967-5-9 42206 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC424327  Heuchera rubescens Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas 1 1/2 miles west of Johnsonville on road to Gibsonville 1524 Comment
  JEPS115089  Hieracium albiflorum Lowell Ahart, John Dittes 2009-7-13 16053 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS36661  Hieracium albiflorum W. L. Jepson 1939-7-29 19275 Plumas Spring Hill Trail Meadow Valley 1219 Comment
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Mar 30 2016
  UCR89180  Hieracium albiflorum Walter Knight, J. T. Howell, I. Knight 1966-7-28 s.n. Plumas Butterfly Canyon along roadside 991 Comment
  UC897789  Hieracium albiflorum Anna Head 1921-7-17 Plumas Gray Eagle Trail Feather River Region Comment
  UC170929  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Plumas Willow Creek Sierra Nevada Mountains, Willow Creek 1280 Comment
  CAS-BOT-BC123634  Hieracium occidentale Alice Eastwood 1927-6-14 14583 Plumas United States Forest Reserve. Forest Lodge, Greenville. Comment
  CHSC36347  Hippuris vulgaris M. S. Taylor 1982-8-17 5008 Plumas Emergent in Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  SEINET3156770  Holodiscus boursieri E. K. Balls 1950-9-1 15583 Plumas Long Lake, above E shore toward Mt. Elwell 2103 Comment
  LA207928  Holodiscus discolor var. glabrescens Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC152719  Holodiscus microphyllus var. microphyllus Lewis S. Rose 1932-9-5 32614 Plumas Jamison Lake 1889 Comment
  CDA13421  Hordeum brachyantherum subsp. brachyantherum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13269 Plumas Sierra Nevada; Occasional in open, moist to dryish sites adjacent to Bull Run Creek off USFS 23N12E. Perennial, bunching. Forest here dominated by Pinus jeffreyi, Abies concolor, Calocedrus. Riparian scrub with Alnus incana ssp. tenuifolia. Comment
  CHSC35941  Hordeum brachyantherum subsp. brachyantherum M. S. Taylor 1982-6-28 4768 Plumas Drainage on n side of Feather River, ca. 1/4 mi w of Calpine Rd (109), Ramelli Ranch, ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC289439  Hordeum murinum subsp. leporinum John Thomas Howell 1975-7-22 51342 Plumas Quincy, Sierra Nevada 1036 Comment
  RSA59238  Horkelia fusca subsp. parviflora E. K. Balls 1950-8-31 15526 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1098 Comment
  SEINET6759269  Horkelia fusca subsp. tenella A. A. Heller, P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  POM183413  Horkelia tridentata L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  UCSB45344  Horkelia tridentata Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy Comment
  UC963884  Horkelia tridentata subsp. flavescens Milo S. Baker 1952-5-24 12437 Plumas s dam (Hwy 89); Lake Almanor Comment
  UC932071  Horkelia tridentata subsp. tridentata Verne Grant and Alva Grant 1948-6-13 8581 Plumas 1 mi from Cascade (Lava Cap, on Oroville Rd) Comment
  CAS-BOT-BC538229  Horkelia tridentata var. flavescens W. W. Wagner 1919-5-18 252 Plumas Sockem Creek 1371 Comment
  CHSC21286  Hosackia crassifolia F. T. Griggs; A. Pass 1975-8-2 301 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21699  Hosackia crassifolia F. T. Griggs; A. Pass 1975-7-7 84 Plumas Gold and Silver Lakes. Comment
  CHSC54320  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4679 Plumas Forest Rd 28N38, 3.4 miles east-northwest of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  SBBG30551  Hosackia oblongifolia var. oblongifolia D. Myrick 1968-6-18 1934 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  UCD106185  Hosackia stipularis L. Ahart 1982-7-30 3734 Plumas Near the headwaters of Ohio Ravine, ca. 1 mi. ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  CHSC60540  Hydrophyllum capitatum var. alpinum L. P. Janeway 1992-5-13 4173 Plumas Plumas National Forest. North side of Lake Davis and 950 ft. north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  UC335436  Hydrophyllum occidentale unknown 1889-1 Plumas Mohawk Valley Comment
  UC723823  Hydrophyllum occidentale Joseph Andorfer Ewan 1934-6-27 8262 Plumas near Long Lake (along Mt Elwell trail); Sierra Nevada 2072 Comment
  CHSC113879  Hypericum anagalloides Lowell Ahart 2014-8-26 19782 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS107601  Hypericum formosum var. scouleri Lowell Ahart, Josephine Guardino 2005-8-10 12313 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  UCR123374  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6881 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  SD7657  Ipomopsis aggregata R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1123684  Ipomopsis aggregata G. T. Nordstrom 1934-7-12 221 Plumas near Buck Lake Dam Plumas National Forest, Bidwell Bar Quadrangle 1615 Comment
  UC1123689  Ipomopsis aggregata D. Axelrod 1934-6-12 39 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. 1737 Comment
  CHSC73972  Ipomopsis aggregata subsp. formosissima B. Castro; L. Gehrung 1998-9-24 843 Plumas Ca 3 air mi W of Pilot Peak, on spine of W-trending ridge, S of USFS Rd 22N60 ca 50 ft N of the Pacific Crest Trail. 1816 Comment
  CHSC97305  Ipomopsis aggregata subsp. formosissima Lowell Ahart; John Dittes 2007-8-9 14447 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
  RSA59327  Ipomopsis aggregata subsp. formosissima E. K. Balls 1950-9-9 15773 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  CAS-BOT-BC135733  Iris hartwegii Mrs. H. C. Cantelow 1949-6-10 2 Plumas About 5 miles n. w. of Quincy Comment
  CAS-BOT-BC135737  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21842 Plumas Forest Lodge, SW of Greenville 1127 Comment
  RSA168726  Iris hartwegii R. M. Straw 1962-6-27 2195 Plumas Southwest slope of Mt. Ararat, 6 miles SSE of Bucks Lake. 1700 Comment
  SEINET8752714  Iris hartwegii P. A. Lehenbauer 1933-5-30 2098 Plumas Near Quincy Comment
  RSA74315  Iris hartwegii subsp. pinetorum Milo S. Baker 1952-5-24 12446 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  CAS-BOT-BC123366  Iris pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge near Greenville 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
  RSA136531  Iris tenuissima subsp. purdyiformis Lee W. Lenz, E. K. Balls 1955-5-13 20699 Plumas Between Tobin and Camp Rogers [Rodgers] along U.S. Highway 40 [70] [along north fork Feather River] 610 Comment
  JEPS107682  Isoetes howellii Lowell Ahart, John Dittes 2005-9-19 12372 Plumas In Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  CAS-BOT-BC324814  Iva axillaris Mary Strong Clemens 1920-9-2 s.n. Plumas Beckwourth Comment
  CAS-BOT-BC324816  Iva axillaris John Thomas Howell 1955-7-19 30738 Plumas Beckwourth, Sierra Nevada 1493 Comment
  SEINET10473847  Iva axillaris Mary Susan Taylor 1982-8-27 Taylor 5047 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  CAS-BOT-BC205653  Ivesia aperta James R. Shevock 1985-7-6 11315 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49, 0.2 mile north of Plumas-Sierra County line and about 2.5 miles north of Loyalton 1600 Comment
  JEPS99015  Ivesia aperta var. aperta Carol W. Witham 1993-7-7 548 Plumas Sierra Valley; 2.0 air mi N of the Beckworth Airport and approx. 0.5 mi E of the Beckwourth Genessee Valley Road. 1520 Comment
  SEINET3840869  Ivesia aperta var. aperta G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3837 Plumas East shore of Frenchman Lake, Crystal Fishing Access, marshy arm of the lake at the parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CHSC84532  Ivesia sericoleuca John Dittes 2003-8-8 2003 -89 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
  CHSC28166  Juncus balticus J. D. Jokerst 1979-6-23 282 Plumas In first meadow S. of Meadow Valley Cr. and E. of Forest Service rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  UC1100934  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  JEPS114805  Juncus balticus subsp. ater Lowell Ahart 2008-8-13 15156 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC80299  Juncus bufonius var. bufonius L. P. Janeway 1996-6-5 5006 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.9 mi west of the road to Calpine. 1487 Comment
  CHSC99807  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15050 Plumas Bare gopher and mole mounds, basalt area, in a small meadow, about 20 yards east of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  UCD141415  Juncus bufonius var. occidentalis John Thomas Howell 1960-7-21 35810 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1828 Comment
  UCD141509  Juncus effusus subsp. pacificus John Thomas Howell 1960-7-20 35770 Plumas Boiling Springs Lake. Lassen Volcanic National Park. 1798 Comment
  CHSC52752  Juncus ensifolius Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  POM111085  Juncus ensifolius Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  UCD141537  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  CHSC65388  Juncus hemiendytus var. hemiendytus Lowell Ahart 1995-9-13 7625 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  UC1495735  Juncus hemiendytus var. hemiendytus Barbara Ertter and Jeffrey L. Strachan 1980-7-31 3884 Plumas w end Dixie Valley (just e of Beckwourth-Milford Rd); Plumas National Forest, Dixie Valley 1706 Comment
  CHSC100386  Juncus howellii Lowell Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  HSC100777  Juncus howellii Lowell Ahart, John Dittes 2009-8-28 16355 Plumas N side of F.S. Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam and 3 (air) mi. SW of Lake Almanor Reservoir Dam. Comment
  JEPS114939  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
  CHSC100055  Juncus laccatus Lowell Ahart 2008-8-14 15217 Plumas Scattered along drainages in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin ridge road, about 5 miles (air) northwest of La Porte. 1725 Comment
  RSA727519  Juncus laccatus L. Ahart, John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1762 Comment
  CHSC58534  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1992-7-6 5065 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In a meadow. 1770 Comment
  CHSC63485  Juncus nevadensis Lowell Ahart 1994-7-28 7534 Plumas On the sides of a small stream, northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  JEPS107932  Juncus nevadensis Lowell Ahart, John Dittes 2005-9-20 12428 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CHSC54539  Juncus occidentalis Vernon H. Oswald 1991-8-8 4818 Plumas Lassen Volcanic Park. Trail to Terminal Geyser just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. Along the trail. 1658 Comment
  CHSC65390  Juncus occidentalis Lowell Ahart 1995-9-13 7628 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile northwest of Pilot Peak. 1828 Comment
  JEPS107935  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-19 12399 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  JEPS119931  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas About 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  CHSC60563  Juncus parryi L. P. Janeway 1984-7-27 934 Plumas Lakes Basin; near Grassy Lake. 1920 Comment
  CHSC95021  Juncus tenuis Lowell Ahart 2006-10-23 13491 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS122237  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, on the west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  SBBG128456  Juncus tenuis L. Ahart, J. Dittes 2009-7-13 16034 Plumas W side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 2.0 mi N of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC58899  Kalmia microphylla subsp. microphylla V. Oswald; L. Ahart 1988-8-4 3671 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  RSA293240  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-4 3779 Plumas Northern Sierra Nevada. 4.7 miles north of Butte Co. line on CA 70. 600 Comment
  CAS-BOT-BC246158  Keckiella lemmonii L. P. Janeway 1992-7-31 4281 Plumas South-facing slopes in canyon of North Fork Feather River, near creek along the Chambers Creek Trail, ca. 0.1 mi. from Hwy 70 along old powerline access road. 633 Comment
  CAS-BOT-BC246165  Keckiella lemmonii John Thomas Howell 1966-7-26 42001 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River, Sierra Nevada 609 Comment
  RSA755681  Keckiella lemmonii L. Ahart, John Dittes 2009-7-15 16099 Plumas Northeast of the power line, on the west side of Forest Service Road 2622, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  CDA19326  Kelloggia galioides G. D. Barbe 1982-6-17 3830 a Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 0 Comment
  SEINET10869777  Kelloggia galioides Mary Susan Taylor 1981-7-22 Taylor 4102 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
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CHSC62429  Lactuca serriola L. P. Janeway 1993-9-1 4577 Plumas Plumas National Forest. Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. Dirt road cutbank and road edge. 914 Comment
  CAS-BOT-BC340599  Lactuca serriola John Thomas Howell 1955-7-19 30741 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC340602  Lactuca serriola Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3480 Plumas Just east of Westwood 1554 Comment
  UC54060  Lagophylla ramosissima H. M. Hall and E. B. Babcock 1903-7-1 4431 Plumas Indian Valley Sierra Nevada Mountains 1097 Comment
  CHSC84443  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2003-8-8 10483 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS107472  Lasthenia glabrata subsp. glabrata Lowell Ahart, John Dittes 2005-6-1 11843 Plumas On the bottom and sides of deep drain ditches, on both sides of Highway 70, east of the Plumas County Airport, about 3 miles east of Beckwourth 1412 Comment
  UC1128974  Lathyrus brownii E. Sawyer 1935-6-27 174 Plumas 3.7 mi n Hawks; Plumas National Forest, Sierraville Quad. 1676 Comment
  UC85106  Lathyrus jepsonii var. californicus Mrs. R. M. Austin 1870-1 Plumas American Valley Comment
  CHSC55694  Lathyrus sulphureus Steven Triano 1988-4-17 55 Plumas Along n side of Hwy. 89, ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  UC931698  Lathyrus sulphureus C. L. Hitchcock 1950-5-28 19229 Plumas 5 mi sw Greenville (on road to Quincy) Comment
  CAS-BOT-BC321052  Layia glandulosa Alice Eastwood 1918-5-25 6991 Plumas Portola Comment
  SEINET10466004  Lemna minuta Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3831 Plumas T24N R10E nw/se sec 25, Spring Garden quad. Aquatic in swamp inside Williams Loop, 0.2 mi S of Spring Garden Overpass on Hwy 70, ca. 1.5 mi W of Spring Garden. 3900 ft. 1189 Comment
  CHSC56898  Lemna trisulca L. P. Janeway; Garrett Gibson 1991-7-21 4083 Plumas Plumas National Forest. Spring on north side of Freeman Creek ca 1/2 mi southwest of Lake Davis. 1767 Comment
  CDA19926  Lepidium campestre J. Naughton 2002-7-7 101 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CAS-BOT-BC89705  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a littel east of Sawpit Flat, about 1.25 mile southwest of Finger Board. 1828 Comment
  CAS-BOT-BC12825  Lepidium perfoliatum John Thomas Howell 1955-7-19 30791 Plumas Sierra Nevada. Vinton. 1505 Comment
  CAS-BOT-BC12822  Lepidium perfoliatum W. Harnach; N. Harnach 1989-6-17 148 Plumas SIerra Valley. Approximately 200 feet west of the steel bridge on Marble lane. 1487 Comment
  CAS-BOT-BC60090  Lepidium virginicum var. menziesii John Thomas Howell 1951-6-26 27529 Plumas Sierra Nevada. Tobin. 609 Comment
  CHSC53134  Lepidium virginicum var. pubescens L. P. Janeway 1990-7-13 3796 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. Along dirt roads. 1798 Comment
  UC1123925  Leptodactylon pungens A. Lewis 1934-6-12 468 Plumas 4 1/2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar, nw of Lexington Hill Comment
  CAS-BOT-BC59603  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Mt. Elwell, Lakes Basin Area. 2225 Comment
  SEINET10449276  Leucothoe davisiae Mary Susan Taylor 1981-7-17 Taylor 4041 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  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
  CHSC21599  Lewisia triphylla D. E. Brink Jr.; L. M. Mayer 1975-7-16 Plumas Found along a stream. Comment
  CAS-BOT-BC444563  Lewisia triphylla John Thomas Howell 1960-7-22 35920 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444575  Lewisia triphylla Gladys L. Smith 1976-6-7 4593 Plumas Central summit area of secondary road from Rte. 70 to La Porte 1950 Comment
  RSA123080  Lewisia triphylla A. Lewis 1934-6-12 477 Plumas 3.5 miles SW of Dogwood Peak, Bidwell. 1494 Comment
  SEINET204043 Image available Leymus cinereus F. J. Herman 1955-7-27 11944 Plumas Along highway 3.5 miles south of Vinton Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  SEINET10872527  Lilium kelleyanum Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4669 Plumas T26N R7E sw sec 33. Almanor SW quad. In seep, n side of and above Caribou Rd, on serpentine, 1.8 mi ne of Queen Lily Campgr., ca. 7 air mi ne of Belden. 2800 ft. 853 Comment
  CHSC100334  Lilium pardalinum subsp. shastense Lowell Ahart 2008-7-16 15086 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC102676  Limosella acaulis Lowell Ahart; John Dittes 2009-9-7 16402 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC246066  Limosella aquatica John Thomas Howell 1961-9-24 36910 Plumas Feather River bed sw. of Beckwourth, Sierra Nevada 1487 Comment
  JEPS12520  Linanthus harknessii George W. Gillett 1955-8-2 455 Plumas below Bench Lake (on Devils Kitchen trail, dry lower slopes of Hot Springs Valley); Lassen Volcanic National Park, Hot Springs Valley 1844 Comment
  UC586839  Linanthus harknessii Joseph Andorfer Ewan 1934-7-6 8183 Plumas Penman Peak, along road to Guidici Ranch Penman Peak 1524 Comment
  RSA52882  Lindernia dubia var. anagallidea R. Weatherby 1950-7-28 1530 Plumas At Smith Lake. 1250 Comment
  CHSC94978  Lindernia dubia var. dubia Lowell Ahart 2006-10-8 13393 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC117658  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas On the east side of Quartz Creek, about one mile northeast of Quartz Hill, about 7 miles (air) northeast if Feather Falls. 1070 Comment
  JEPS12684  Linnaea borealis var. longiflora Helen-Mar Wheeler Plumas Cascade; southwestern Plumas County Comment
  JEPS12689  Linnaea borealis var. longiflora Duncan Dunning 1922-7-13 Plumas 4 mi nw Quincy (Snake Lake); , nw of Quincy Comment
  JEPS45745  Linum lewisii W. L. Jepson 1927-6-21 12282 Plumas Warner Creek, by Camp Lee Warner Creek 1584 Comment
  CAS-BOT-BC36580  Lithocarpus densiflorus var. echinoides Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  CHSC82372  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir Dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  JEPS103325  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir Dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CAS-BOT-BC428427  Lithophragma parviflorum Ella Dales Cantelow 1941-5-18 4331 Plumas 1 mi. w. of Mohawk Rd. to Johnsville. 1463 Comment
  CAS-BOT-BC110598  Lithophragma tenellum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1864 Plumas Butterfly Botanical Area and Vicinity. West of pond reseorvoir. 1036 Comment
  CAS-BOT-BC231076  Lithospermum John Thomas Howell 1955-7-19 30757 Plumas Beckwourth 1493 Comment
  CHSC80166  Lithospermum ruderale L. P. Janeway 1996-6-5 4989 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  RSA107458  Lithospermum ruderale L. S. Rose 1955-7-19 55144 Plumas Beckworth 1494 Comment
  UC106212  Lomatium dasycarpum subsp. tomentosum Mrs. R. M. Austin June 1883 412 e Plumas Big Meadows Comment
  UC175512  Lomatium nudicaule A. A. Heller 1913-6-13 10834 Plumas near Marston Station 1066 Comment
  UCR51780  Lomatium nudicaule David D. Keck 1932-7-4 1711 Plumas Northern Sierra Nevada, Quincy: mouth of water supply canyon to the left hand, just south of town 1065 Comment
  UC1137630  Lomatium plummerae E. Sawyer 1935-5-21 9 Plumas 3 1/2 mi. s.-s.e. Beckwith Butte; Sierraville Quad. 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
  CAS-BOT-BC240426  Lonicera hispidula Edward Pittman 1965-10-16 233 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  RSA59420  Lonicera involucrata E. K. Balls 1950-9-7 15701 Plumas Lakes Center Public Campground. Comment
  CAS-BOT-BC243907  Lonicera involucrata var. involucrata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Blaisden Comment
  CAS-BOT-BC243911  Lonicera involucrata var. involucrata Anna Head 1920-6-30 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC54467  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1991-7-30 4787 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  UC1075714  Lonicera involucrata var. involucrata Robert J. Weatherby 1955-6-26 1557 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  CHSC21694  Lotus F. T. Griggs; A. Pass 1975-7-2 65 Plumas North of Grizzly Forebay. Comment
  CAS-BOT-BC200950  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54360 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  UCD169925  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas On the eastside of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of lake Almanor Reservoir Dam. In the seed trade, known as Upright Bird's-foot Trefoil. 1607 Comment
  SEINET3696850 Image available Lotus formosissimus Stan Gessel 1940-6-25 Plumas Butterfly Valley Comment
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  RSA7999  Lotus nevadensis H. A. Barker 1927-7-1 759 Plumas Blairsden 1372 Comment
  POM161711  Lotus oblongifolius var. nevadensis R. C. Bacigalupi 1927-7-7 1640 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  SEINET3729650  Lotus purshianus A. A. Heller 1936-7-2 15231 Plumas Along Hwy north of Quincy near the bridge over Spanish Creek 1067 Comment
  RSA31788  Lotus unifoliolatus A. A. Heller 1938-7-2 15243 Plumas Feather River Highway near Grays Flat. 869 Comment
  CHSC81391  Ludwigia palustris Lowell Ahart 2001-9-18 9275 Plumas On the wet strand of the south end of the pond, Butterfly Valley, about 5 miles (air) northwest of Quicy. 1104 Comment
  JEPS102565  Ludwigia palustris Lowell Ahart 2001-10-16 9372 Plumas On the NW side of Round Valley Reservoir, just below the road, about 2 1/2 miles SW of Greenville. 1363 Comment
  UC1101420  Ludwigia palustris Malcolm A. Nobs and S. Galen Smith 1949-8-19 1403 Plumas ca. 2 mi. s. Greenville (Indian Valley); Indian Valley Comment
  JEPS48769  Lupinus John Warren Duffield 1937-5-27 Plumas Meadow Valley , Grubstake Flats (Grubstake Flats, sw Plumas Co.) Comment
  RSA0076001  Lupinus adsurgens Daisie Huang 2006-8-11 06081106 Plumas Quincy-La Porte Rd. 1257 Comment
  CHSC76131  Lupinus albifrons var. albifrons G. F. Hrusa; T. D. Wilfred 1996-8-23 13528 Plumas Sierra Nevada. Shrub alongside USFS 23N51, E side of upper Long Valley Creek above its confluence with Bull Run Creek. 1.5 mi E of Lava Peak, and 2.5 mi. NE of Cromwell townsite. [Original lat./long. on label is '39 53 N; 120 40 W']. 1650 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  CHSC21662  Lupinus apertus Brink; Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21528  Lupinus arbustus D. Brink; L. Mayer 1975-7-8 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC36864  Lupinus arbustus M. S. Taylor 1982-5-26 4534 Plumas N side of Fells Creek Rd (23N22), 4.0 mi w of Lee Summit, ca. 2 air mi sw of Sloat. 1341 Comment
  CHSC70011  Lupinus arbustus L. P. Janeway 1997-5-7 5111 Plumas Along Beckwourth-Genesee Road; on northeast side of Red Clover Creek 2.9 mi southeast of Indian Creek. 1249 Comment
  UC338121  Lupinus arbustus Lemmon Aug. 1883 Plumas Indian Valley mountain slopes Comment
  SJSU14469  Lupinus arbustus N. A. Hopkins 1990-7-1 1626 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1706 Comment
  UC174571  Lupinus argenteus A. A. Heller with P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley. Comment
  CHSC35934  Lupinus breweri M. S. Taylor 1982-6-10 4630 Plumas In sand on road, ca. 1 mi ne of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 1798 Comment
  SEINET10488593  Lupinus breweri Mary Susan Taylor 1982-4-23 Taylor 4720 Plumas T23n r10e se1/4sw1/4 sec 11. Blue nose mt quad. Corolla blue; prostrate Mat-forming. Flat ridge running n off 23n43y, at loop in road, 1.5 mi. W of Its jct with peoria creek rd (23n10), ca. 6 Air mi. Sw of sloat. With Triteleia montana, apocynum pumilum, penstemon. 1402 Comment
  CAS-BOT-BC196675  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Ca 1/4 mi N of Little Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  RSA59107  Lupinus confertus E. K. Balls 1950-8-31 15511 Plumas Hwy. 24, Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215378  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mile W of its junction with Bell Bar Creek Road (23N50Y) 1493 Comment
  CAS-BOT-BC215399  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Creek, ca. 0.1 mile N of Highway 70/89; vicinity of Long Valley, Sloat 1417 Comment
  CAS-BOT-BC215404  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215406  Lupinus dalesiae Charles Piper Smith 1947-5-22 47339 Plumas Quincy Road, 3.9 miles E of Meadow Valley Comment
  CHSC35907  Lupinus dalesiae M. S. Taylor 1982-6-24 4752 Plumas N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. 1066 Comment
  CHSC36859  Lupinus dalesiae M. S. Taylor 1982-7-12 4818 Plumas Along Eureka Peak Rd, ca. 1.5 mi s of McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2164 Comment
  UC665283  Lupinus dalesiae Elmer I. Applegate 1934-5-3 8907 Plumas 6 mi nw Quincy; nw of Quincy Comment
  SEINET10452040  Lupinus dalesiae Mary Susan Taylor 1981-6-15 Taylor 3904 Plumas T24N R8E ne/se sec 1, Bucks Lake NE quad; jct of 24N27 (a loop around Smith lake), ca. 2 mi N of its jct with Bucks Lake Rd, ca. 3 mi NE of Meadow Valley; elevation ca. 3800 ft. 1158 Comment
  SEINET10452063  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4680 Plumas T24N R10E swnw sec 33. Spring Garden quad. Open rdcut, along spur rd off 24N26-Thompson Creek Rd (0.2-0.3 mi from its jct), ca. 3 mi se of Quincy. Mixed Evergreen Forest; 4600 ft. 1402 Comment
  SEINET10485199  Lupinus dalesiae Mary Susan Taylor 1982-7-23 Taylor 4713 Plumas T23n r10e se1/4ne1/4 sec 18. Blue nose mt quad. Open bare phyllite roadbank, S side of peoria creek rd (23n10), 1.5 mi. W of its jct with 23n50y, ca 3 air Mi. Sw of sloat. With pseudotsuga menziesii, osmorhiza chilense. 1402 Comment
  SEINET10841217  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4719 Plumas T23N R10E ne/nw sec 14. Blue Nose Mt quad. S side of 23N43Y, 2.4 mi w of its jct with Peoria Cr Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET10903849  Lupinus dalesiae Mary Susan Taylor 1982-6-21 Taylor 4900 Plumas T23n r10e nw1/4se1/4 sec 29. Onion valley quad. W side of the hogback, Hottentot creek drainage, along and sownslope of quincy-laporte hwy (511), 2.3 Mi. N of its jct with cleghorn bar rd, ca 10 air mi. Ne of laporte. Mixed Evergreen forest openings. 1951 Comment
  SEINET10937073  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 200 07 JUN 1983 Plumas On s side of hwy 70 near gray's flat above rr tracks on cut back nest to old Country rd. In mixed conifer forest. Comment
  SEINET12163993  Lupinus dalesiae M. S. Taylor 1982-1 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mtn quad. S side of 23N10-Peoria Crk Rd, .2miNE of Oliver Crk 1615 Comment
  RSA715534  Lupinus grayi John Dittes, Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  UC1129474  Lupinus grayi A. Lewis 1934-6-12 469 Plumas 4 1/4 mi sw Lexington Hill (Mooreville Ridge); Plumas National Forest, Bidwell Bar Quadrangle, Moorevile Ri Comment
  SEINET10483998  Lupinus grayi Mary Susan Taylor 1981-5-10 Taylor 3662 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
  UC85078  Lupinus lepidus var. confertus Mrs. Austin 1882-7-25 Plumas Big Meadows Comment
  CHSC34761  Lupinus lepidus var. sellulus M. S. Taylor 1981-8-31 4249 Plumas E side of Rd 114, ca. 0.5 mi n of its jct with Hwy 89, ca. 1.5 mi e of Clio. 1432 Comment
  CHSC92284  Lupinus lepidus var. sellulus John Dittes 2005-6-23 1180 Plumas Northern High Sierra Nevada Range; near west shore of Lake Almanor; ca. 0.6 air-miles southeast of intersection of Hwy 36 and Hwy 89; just west of Hwy 89. 1376 Comment
  RSA755467  Lupinus lepidus var. sellulus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16136 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  UC1482892  Lupinus lepidus var. sellulus LeDoux, Dunn and Conrad 1973-6-5 1082 Plumas jct. Hwy 70 and Twain Road 1066 Comment
  UC82213  Lupinus lepidus var. sellulus Mrs. R. M. Austin 1890-1 389 Plumas Warner Valley Comment
  SEINET8059930  Lupinus polyphyllus var. burkei A. A. Heller, P. B. Kennedy 1907-7-4 8715 Plumas Red Clover Valley 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
  CHSC13596  Lupinus stiversii J. Pitts 1972-4-29 179 Plumas 9 mi ne of Poe Power Dam on Hwy. 70, on uphill side of the road. Comment
  CHSC47581  Luzula cascadensis Lowell Ahart 1975-7-2 838 Plumas Along the edge of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  POM110701  Luzula comosa Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC108723  Luzula comosa var. comosa B. Castro; L. P. Janeway 2003-9-6 1450 A Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. At NW corner of lake, a short way into forest ca 10-15 ft up from lake shore. 2058 Comment
  CHSC23614  Lychnis coronaria K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  CHSC95002  Lythrum hyssopifolia Lowell Ahart 2006-10-23 13498 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC40636  Lythrum portula Lowell Ahart 1985-9-26 5176 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
  CHSC81127  Lythrum portula Lowell Ahart 2001-8-28 9214 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
  JEPS113929  Lythrum portula W. and N. Harnach 2000-8-2 963 Plumas Sierra VAlley 1.5 miles south of Hwy 70 on A-23, 25 miles east of A-23. South of Beckwourth, CA (Sierra VAlley Farms). Comment
  POM181078  Madia elegans subsp. elegans A. A. Heller, P. B. Kennedy 1907-7-13 8828 Plumas Taylorville. Comment
  UC173109  Madia exigua Katharine Brandegee 1913-1 Plumas Portola Comment
  RSA169399  Madia exigua L. S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather River, 0.5 miles north of Rich Bar. 823 Comment
  CAS-BOT-BC342850  Madia glomerata A. A. Heller; P. B. Kennedy 1907-7-18 8883 Plumas Beckwith [Beckwourth] Comment
  RSA14242  Madia glomerata Daniel Cleveland 1882-07 s.n. Plumas Prattville Comment
  RSA769815  Madia glomerata L. Ahart 2008-9-10 15382 Plumas Sides of Onion Valley Creek, in 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 9.5 air miles northeast of La Porte. 1917 Comment
  UCD134269  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC342843  Madia glomerata Roxana S. Ferris; Laura Lorraine 1941-8-9 10430 Plumas Meadow at Lake Almanor Public Camp. (near village) Comment
  HSC89862  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mtns. ca 12 air mi. SSW of Susanville, Snoring Springs 1/2 mi. N of Diamond Mt.-Greenville-Red Rock jct. 1982 Comment
  SD132021  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mountains,ca.12 airline miles southsouthwest Susanville, Snoring Springs 0.5 miles north of Diamond Mountain-Greenville-RedRock junctn 1980 Comment
  CAS-BOT-BC343264  Madia gracilis M. S. Taylor 1982-9-13 5131 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC343266  Madia gracilis Clare B. Hardham 1975-8-2 20473 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC343283  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43284 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CAS-BOT-BC343287  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43285 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CDA43021  Madia gracilis L. Ahart 2009-7-21 16112 Plumas West of a man-made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  JEPS106231  Madia gracilis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 Plumas On the north side of a forest road, small meadow, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  SEINET260319  Madia gracilis M. S. Taylor 1981-9-14 4276 Plumas Headwaters of Rush Cr near its jct with Cow Cr ca 5 mi ESE of Greenville. Almanor SE quad. 1585 Comment
  UCD134320  Madia gracilis Lewis S. Rose 1967-7-12 67170 Plumas Quincy. 1036 Comment
  SEINET10475206  Madia gracilis subsp. gracilis Mary Susan Taylor 1982-9-13 Taylor 5131 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  UC336491  Malacothrix floccifera unknown Jul. 1883 Plumas Indian Valley 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
  JEPS116142  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2009-9-7 16373 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS88533  Matricaria discoidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8014 Plumas Lake Almanor High Cascade Range (e side of arm of lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CDA32502  Melica aristata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3351 Plumas 0.75 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  CHSC102604  Melica aristata L. P. Janeway; B. Castro 2009-7-18 9861 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  RSA641468  Melica bulbosa Michael A. Vincent 1999-6-8 8567 Plumas Plumas National Forest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. Comment
  CAS-BOT-BC282076  Melica fugax L. P. Janeway; Jannice Cutler 1992-5-26 4204 Plumas About 0.1 mile SW of Lake Davis high water line, 1 mile S of Dan Blough Cove 1767 Comment
  CAS-BOT-BC282085  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43346 Plumas Summit ridge of Mount Hough 2194 Comment
  CAS-BOT-BC282091  Melica fugax Gladys L. Smith 1976-6-7 4585 Plumas N end summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  CDA32498  Melica fugax G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-24 3257 Plumas Southeast of Mt. Hough summit, 0.4 mile northwest of junction with China Grade road. Comment
  CAS-BOT-BC281269  Melica geyeri John Thomas Howell; Gordon H. True; Walter & Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area. Near Fern Glen 1066 Comment
  CHSC76825  Melica harfordii L. P. Janeway 1997-5-29 5136 Plumas East Branch North Fork Feather River about 0.5 mi west of Soda Creek and 0.1 mi north of Hwy 70 along Road 25N21. At edge of the dirt road. 952 Comment
  SJSU7644  Melica harfordii R. E. Palmer 1972-5-12 165 Plumas near Storrie in Feather River Canyon (N Fork Feather River) 518 Comment
  CAS-BOT-BC264175  Melica subulata John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1571 Plumas Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS115896  Melica subulata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS28298  Melica subulata George W. Gillett 1957-7-17 793 Plumas from Little Willow Lake to Willow Lake; Lassen Volcanic National Park 1767 Comment
  RSA201301  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  RSA201358  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  CHSC37690  Mentha canadensis M. S. Taylor 1981-8-27 4129 Plumas Under Drum bridge over Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1188 Comment
  SD6887  Mentha canadensis Daniel Cleveland 1882-7-26 Plumas Big Meadows Comment
  JEPS16778  Mentha spicata Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4350 Plumas northern limits Taylorsville 1079 Comment
  UC420644  Mentzelia albicaulis Katharine Brandegee June 1913 Plumas Canyon of the Truckee Comment
  NY621932  Mentzelia dispersa R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  SD7602  Mentzelia laevicaulis Mrs. R. M. Austin 1875-1 Plumas Soda Springs Comment
  CAS-BOT-BC428729  Micranthes californica Mrs. H. C. Cantelow 1941-5-25 s.n. Plumas 3.2 west of Belden, Feather River Canyon, Hy. 24 Comment
  CAS-BOT-BC429147  Micranthes odontoloma Anna Head 1920-7-23 s.n. Plumas Trail to Mt. Elwell, Feather River Region Comment
  SBBG32412  Micropus californicus var. californicus L. S. Rose 1968-6-11 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  CAS-BOT-BC349334  Microseris nutans John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2086 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC349336  Microseris nutans John Thomas Howell 1960-7-21 35807 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CAS-BOT-BC349351  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC21182  Microseris nutans F. T. Griggs; A. Pass 1975-7-16 189 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC72442  Microseris nutans L. P. Janeway 1998-6-23 5652 Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. Ridge top. 1676 Comment
  RSA14277  Microseris nutans Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  JEPS36359  Microseris nutans W. L. Jepson 1927-6-23 12302 Plumas Warner Creek near Camp Kelly; Warner Creek 1584 Comment
  RSA67642  Microsteris gracilis subsp. humilis Verne Grant, Alva Grant 1950-7-12 8931 Plumas Summit of ridge at Red Rock near Diamond Mt. between Susanville and Taylorsville 1524 Comment
  UC1552824  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-5-15 517 Plumas Rock Creek Dam along Hwy 70 Plumas National Forest, North Fork of the Feather River Comment
  UC1063027  Mimulus breviflorus E. Sawyer 1935-6-27 208 Plumas Charlies Valley Plumas National Forest, Sierraville Quadrangle Comment
  UC1552710  Mimulus breweri Frederica Bowcutt 1985-6-6 574 Plumas about 15 air mi ne Quincy; Plumas National Forest, Red Clover Creek Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  POM273253  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59263  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas Spanish Creek off Hwy 24, just north of Quincy. 1067 Comment
  RSA794835  Mimulus mephiticus L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  HSC20818  Mimulus moschatus Jim Vaughn 1956-8-1 Plumas Mt. Lassen NP, Drakesbad 1738 Comment
  JEPS28121  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas 5.8 mi e Beckwourth; Sierra Nevada 1493 Comment
  CDA12149  Mimulus torreyi G. F. Hrusa, J. Dinsdale 1989-6-25 7199 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CHSC113635  Mimulus torreyi Lowell Ahart 2014-8-31 19815 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  RSA0105472  Mimulus torreyi Lowell Ahart 2014-8-31 19815 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  RSA52839  Mimulus torreyi R. Weatherby 1950-5-31 1440 Plumas South shore or Lake Almanor. 1723 Comment
  RSA535420  Mimulus torreyi David M. Thompson 1988-7-23 974 Plumas 3.05 mi N of Bucks Lake road (and Meadow Valley) along Schneider Creek Road (USFS Road 23N16), then 0.15 mi W along Road 24N47X, then 0.1 mi N along Road 24N47XC. 1524 Comment
  CAS-BOT-BC481919  Minuartia nuttallii Alice Eastwood 1927-6-17 s.n. Plumas US Forest Reserve, on road from Long Valley Comment
  UC1127236  Mitella breweri A. Lewis 1934-6-18 489 Plumas 1 mi nw Whiskey Diggings; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC433056  Mitella pentandra M. S. Taylor 1982-6-16 4687 Plumas W side of 24N13, 1.4 mi s of Willow Creek Rd (23N90), ca. 4 air mi se of Quincy. 1524 Comment
  CHSC82105  Monardella follettii L. P. Janeway 2001-8-5 7422 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  JEPS63417  Monardella follettii W. I. Follett 1937-6-25 97 Plumas 1.2 mi w Meadow Valley 1127 Comment
  SEINET10582327  Monardella follettii A. Graff 1993-7-22 Graff 312 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  SEINET10582335  Monardella follettii A. Graff 1993-7-23 Graff 333 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  SEINET10498933  Monardella odoratissima Melvin L. Conrad 1973-6-5 Conrad 7046 Plumas Yellow pine and douglas fir in plumas natl forest off hwy 70 1067 Comment
  CAS-BOT-BC317315  Monardella odoratissima W. Harnach; N. Harnach 1989-7-16 224 Plumas Sierra Valley. Barry Hill (McElroy on map). 1584 Comment
  SEINET3152592  Monardella odoratissima subsp. glauca E. K. Balls 1950-9-1 15584 Plumas Long Lake, E shore toward Mt. Elwell. 2103 Comment
  CHSC113901  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 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
  CHSC20737  Monardella odoratissima subsp. pallida K. R. Stern 1975-7-24 5905 Plumas SE shore of Almanor. 1371 Comment
  JEPS127125  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  RSA0039302  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 1 mile northeast of La Porte. 1613 Comment
  SEINET10582101  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 292 Plumas Plumas National Forest. On Hwy. 70 west, less than .5 miles southeast of Greenhorn Ranch Rd. (just past Graff collections 285-290), at the end of a bridge before a rest area, on south side of the road. T24N,R10E,S26. Comment
  SEINET5333425  Monardella odoratissima subsp. pallida A. A. Heller 1907-7-9 8774 Plumas Prattville Comment
  CDA13369  Monardella sheltonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13218 Plumas Sierra Nevada; Inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  CHSC70266  Monardella sheltonii B. Castro 1989-8-4 343 Plumas Ca 3.5 air mi S of Bucks Lake, on N-facing flank of Mt. Ararat, near jct USFS Rds 23N19, 23N55, and the road to the top of Mt. Ararat. 1737 Comment
  SEINET10582343  Monardella sheltonii A. Graff 1993-7-22 Graff 300 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  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
  CHSC67989  Monardella stebbinsii James Bartel 1988-7-13 Plumas North Fork of Feather River, 6.3 km N of jct. with Hwy. 70 along Caribou Rd. (type locality). Comment
  JEPS125876  Monardella stebbinsii Dean W. Taylor 2000-7-31 17536 Plumas Plumas National Forest: Feather river Canyon, along Hwy 70 at Rich Bar. Comment
  JEPS62428  Monardella villosa subsp. villosa W. I. Follett 1937-8-2 105 Plumas North side Rich Gulch 1173 Comment
  CAS-BOT-BC444744  Montia chamissoi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54107 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC444746  Montia chamissoi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC33602  Montia chamissoi M. S. Taylor; M. Foster 1981-6-8 3864 Plumas In wet meadow along creek, ca. 1/4 mi s of jct of 24N08 and 25N93, ca. 1 air mi nw of Bagley Pass, ca. 0.5 mi s of Red Clover Valley. 1737 Comment
  UC1136697  Montia chamissoi E. Sawyer 1935-6-27 203 Plumas 1.4 mi se of Crow (Plumas National Forest); Plumas National Forest 1706 Comment
  CAS-BOT-BC444855  Montia fontana J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 C Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CHSC58195  Montia fontana subsp. amporitana Vernon H. Oswald; Lowell Ahart 1992-6-22 5017 Plumas Lassen Volcanic National Park. Ca. 0.4 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Locally common on a vernally wet but now dry slope bordering the road. 1767 Comment
  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
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  SEINET10929031  Montia linearis Mary Susan Taylor 1982-6-12 Taylor 4646 Plumas T28N R8E nw/se sec 4. Chester quad. Meadow on n side of Hwy 36, ca. 1 mi w of Plumas-Lassen county line, e of Chester. 5000 ft. 1524 Comment
  CAS-BOT-BC445190  Montia parvifolia John Thomas Howell 1962-6-16 37633 Plumas Lewisia Rock, Feather River North Fork. 640 Comment
  CAS-BOT-BC260649  Muhlenbergia filiformis Walter Knight; Irja Knight 1966-9-12 1700 Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CAS-BOT-BC267010  Muhlenbergia filiformis Lowell Ahart 1986-9-10 5398 Plumas About 1 mile NW of Pilot Peak, about 14 miles NE of La Porte 1950 Comment
  CDA13969  Muhlenbergia filiformis G. F. Hrusa 1996-8-2 13432 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny, wet, old roadbed, where it cuts through wet springline; trib. of Squirrel Creek. Annual. Comment
  CHSC24252  Muhlenbergia filiformis K. R. Stern 1975-7-23 Plumas West side of Lake Almanor. Comment
  CHSC77077  Muhlenbergia filiformis L. P. Janeway 1996-8-20 5074 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  SEINET10599816  Muhlenbergia filiformis Elmer D. Merrill 1929-7-13 Merrill s.n. Plumas Silver Lake. 1829 Comment
  CHSC53181  Muhlenbergia richardsonis L. P. Janeway 1989-6-28 3411 Plumas Plumas National Forest. Slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. 1722 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
  SEINET8501514  Muilla transmontana W. Harnach, N. Harnach 1990-5-12 304 Plumas Sierra Valley, Approx 5 miles S of Vinton, Feather River Ranch. 1585 Comment
  CDA40604  Myosotis laxa L. Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  RSA32879  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. Comment
  UC1560389  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1300 Plumas 2 - 2.5 mi. s. Graeagle (along hwy. #89, Mill Creek and its tributaries); Mill Creek 1200 Comment
  UC1101357  Myosurus apetalus Herbert L. Mason 1953-6-16 14553 Plumas 2 mi e Beckwourth Comment
  CHSC102967  Myriophyllum sibiricum Lowell Ahart 2009-9-7 16393 Plumas In 3-4 feet of water, Lake Almanor, about 1000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC46615  Myriophyllum sibiricum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3907 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. In shallow water on the edge of a floating sphagnum bog. 1670 Comment
  UC168091  Myriophyllum sibiricum Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC1965873  Myriopteris parryi J. G. Lemmon July, 1876 Plumas Taylorsville, Indian Valley Comment
  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
  CHSC80897  Narthecium californicum Lowell Ahart; Vernon H. Oswald 2001-7-11 8892 Plumas Small 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
  SD6325  Narthecium californicum Mrs. R. M. Austin 1881-1 Plumas Big Meadows. Comment
  CAS-BOT-BC515772  Narthecium californicum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1679 Plumas Sweetwater Meadow; Butterfly Bontanical Area and Vicinity 1127 Comment
  SEINET12045515  Narthecium californicum Unknown 1961-1 246 Plumas Upper Butterfly Valley, 2.5mi W turn off Hwy 89-US40 1158 Comment
  CHSC80850  Navarretia capillaris Lowell Ahart 2001-7-17 8906 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. [Lat./Long. on label is '40 degrees 10' 50' N; 121 degrees 24' 21' W]. 1828 Comment
  CHSC82560  Navarretia capillaris Lowell Ahart 2002-7-18 9867 Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  RSA101450  Navarretia capillaris R. Weatherby 1955-7-2 1588 Plumas Wilcox Valley. 1768 Comment
  CHSC20843  Navarretia divaricata K. R. Stern 1975-7-23 5814 Plumas SE shore of Lake Almanor. 1371 Comment
  JEPS28633  Navarretia divaricata George W. Gillett 1957-7-18 824 Plumas n end Willow Lake Meadow (near the main inlet); Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  CHSC89328  Navarretia divaricata subsp. vividior G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3181 Plumas Sierra Nevada. 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  UC908133  Navarretia intertexta Herbert L. Mason 1924-6-20 1081 Plumas near Gold Lake (along trail from Gold Lake to Graeagle Camp) Comment
  RSA123153  Navarretia intertexta B. O. Schreiber 1938-7-9 2515 Plumas 1 mile E of Meadow Valley. 1067 Comment
  SJSU13884  Navarretia intertexta subsp. propinqua N. A. Hopkins 1986-7-15 1362 Plumas Squaw Valley Comment
  CHSC10634  Navarretia leptalea Lowell Ahart 1970-6-25 Plumas Six miles NW of La Porte. 1828 Comment
  SD46441  Navarretia leptalea Robert J. Weatherly 1955-7-21 1643 Plumas Cattle Springs, near Bottle Springs, Middle Fork Feather River, on Mc Carthy Bar Road 1524 Comment
  UC1111632  Navarretia leptalea subsp. leptalea Lewis S. Rose 1955-7-20 55160 Plumas Mohawk 1371 Comment
  CAS-BOT-BC230336  Navarretia leucocephala John Thomas Howell 1962-6-19 37858 Plumas 5.5 miles E of Beckwourth 1493 Comment
  UC572508  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas nw of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  CAS-BOT-BC230380  Navarretia leucocephala subsp. minima C. R. Quick 1950-6-18 50 -17 Plumas 2.7 miles W of Almanor Inn, on S shore of Lake Almanor Comment
  CHSC115160  Nemacladus capillaris Lowell Ahart 2015-6-7 20126 B Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  JEPS106319  Nemacladus capillaris Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11013 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  SEINET10464820  Nemacladus capillaris Howell 1967-7-12 Howell 2105 Plumas Between valley and Darlingtonia bog 1067 Comment
  SEINET10461194  Nemacladus interior Howell 1951-6-29 Howell 27761 Plumas Feather River Canyon 549 Comment
  JEPS104686  Nemophila John L. Morrison 1940-5-19 3181 Plumas 1 mi from Belden. Along the road to Longville Comment
  CHSC90939  Nemophila heterophylla Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11748 Plumas On the north side of Highway 70, about 1/8 mile east of Chambers Creek, about one mile northeast of Indian Jim Campground. 629 Comment
  CHSC53141  Nemophila parviflora var. austiniae L. P. Janeway 1989-6-23 3387 Plumas Plumas National Forest. Beckwourth Ranger District. Upper slope overlooking Crocker Cr from the east. 1874 Comment
  SD58284  Nemophila parviflora var. austiniae W. J. Follett 1936-5-10 49 Plumas Rich gulch 1173 Comment
  UC1075679  Nemophila parviflora var. austiniae Robert J. Weatherby 1955-7-2 1590 Plumas Wilcox Valley 1767 Comment
  RSA39780  Nemophila pedunculata P. A. Munz 1947-5-16 11825 Plumas 8 miles north of Chilcoot. 1524 Comment
  UC853345  Nuphar lutea subsp. polysepala Mrs. E. C. Sutliffe 1917-8-1 Plumas near Blairsden Comment
  CHSC57433  Oenothera flava L. P. Janeway; Melinda Carlson 1991-6-18 4046 Plumas Plumas National Forest. North side Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. In horse pasture. 1472 Comment
  JEPS125722  Onopordum acanthium subsp. acanthium William Harnach 2015-8-6 1439 Plumas 4.85 miles West of Vinton on Highway 70. Comment
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May 9 2017
  CAS-BOT-BC355572  Oreostemma alpigenum var. andersonii Anna Head 1921-7-14 s.n. Plumas Meadows near Lake Center Camp, Feather River Region Comment
  SD6605  Orobanche californica subsp. grayana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC97275  Orobanche californica subsp. jepsonii Lowell Ahart; John Dittes 2007-8-9 14451 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
  SEINET10500391  Orobanche fasciculata Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3851 Plumas T24N R14E nw sec 7, Crocker Mt quad. Sagebrush Scrub in Red Clover Valley, ca. 0.5 mi N of Genesee-Beckwourth Rd, ca. 7 mi NW of Beckwourth; elevation 5480 ft. 1670 Comment
  JEPS25808  Orogenia fusiformis John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley; , Grubstake Flats Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  RSA59681  Orthocarpus hispidus E. K. Balls 1950-9-9 15750 Plumas West of Lakes Center Public Campground at south end of small lake. 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
  CDA18594  Osmorhiza occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3271 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, nr. junction with China Grade. 2042 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
  CHSC97935  Osmorhiza occidentalis G. F. Hrusa; T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada. Dryish flats about Brady's Camp. Pine Creek Valley, @1/2 mi. NE Argentine Rock. 2125 Comment
  HSC73005  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Bechwourth= Genesee Rd, between Crystal and Meadow Creeks, 2 mi. S of Notson Bridge, 17 air mi. NE of Blairsden 1738 Comment
  CHSC39363  Packera streptanthifolia L. Ahart; P. Ahart 1983-8-17 4322 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CAS-BOT-BC10428  Paeonia brownii Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Lassen National Park Comment
  CAS-BOT-BC121004  Paeonia brownii J. T. Howell 1962-6-19 37849 Plumas The Buttes, near Sierra Valley. 1493 Comment
  CAS-BOT-BC121006  Paeonia brownii Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region. 1920 Comment
  SEINET10932238  Paeonia brownii Mary Susan Taylor 1982-5-7 Taylor 4418 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  UCD150435  Paeonia brownii T. Stone 1966-4-21 s.n. Plumas Mountain Meadows. Comment
  SBBG115626  Panicum acuminatum B. Crampton 1964-8-25 7157 c Plumas Devils Kitchen, Hot Springs Crk cyn, ca. 1.5 mi W of Drakesbad 1859 Comment
  RSA286273  Panicum acuminatum var. acuminatum R. F. Thorne 1974-7-30 44994 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UCD32832  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 c Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89954  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89958  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  JEPS110546  Panicum dichotomiflorum subsp. dichotomiflorum 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 o 1281 Comment
  CHSC115791  Parnassia palustris Lowell Ahart; John Deurloo 2015-8-25 20524 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  CHSC45971  Pectiantia breweri Lowell Ahart 1976-6-18 1143 Plumas Growing along Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC63473  Pectiantia breweri Lowell Ahart 1994-7-22 7504 Plumas Label also says Sierra county. On the south side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CHSC61708  Pectiantia pentandra Vernon H. Oswald; Lowell Ahart 1993-8-25 5868 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 dowstream end of a series of falls and cascades. 1987 Comment
  CHSC37193  Pedicularis attollens L. Ahart 1982-7-30 3738 Plumas Along edges of stream in a small meadow near rd, ca. 2 mi n of hardquartz Mine, ca. 5 mi s of Bucks lake. 1700 Comment
  RSA59150  Pedicularis attollens E. K. Balls 1950-8-1 15609 Plumas East of Long Lake, in meadow sloping to two smaller lakes. 2134 Comment
  RSA112887  Pedicularis aurantiaca E. F. Sprague 1957-5-30 1231 Plumas 6 miles SW of Viola. 854 Comment
  UC1080380  Pedicularis densiflora E. K. Balls 1957-5-23 22519 Plumas sw shore of Lake Almanor (2 mi s of junction of State Hwys 89/36) 1402 Comment
  CHSC115748  Pedicularis racemosa L. P. Janeway 2015-8-3 11815 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. 1696 Comment
  CHSC56880  Pedicularis racemosa L. P. Janeway; Garrett Gibson 1991-7-31 4098 Plumas Plumas National Forest. Lower west slope of Mt. Ingalls; along Road 25N42, 3.1 mi north of County Road 112. 1950 Comment
  RSA0039305  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  HSC93239  Pedicularis racemosa Vernon H. Oswald, L. Ahart 1996-8-14 8167 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1646 Comment
  UC171622  Pedicularis racemosa Mrs. R. M. Austin 1879-1 Plumas Spanish Creek Comment
  CDA14720  Pedicularis semibarbata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3242 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  SEINET3159934  Pedicularis semibarbata T. S. Brandegee 1892-7-4 sn Plumas Prattville Comment
  CAS-BOT-BC69354  Pellaea brachyptera J. G. Lemmon 1880-5-1 s.n. Plumas unspecified 2438 Comment
  CAS-BOT-BC67612  Pellaea bridgesii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC67611  Pellaea bridgesii Robert J. Weatherby 1950-8-11 1517 Plumas Lakes Basin Area - Upper end of Long Lake 2133 Comment
  CAS-BOT-BC67615  Pellaea bridgesii J. G. Lemmon 1889-6-1 s.n. Plumas Gold Lake Valley Comment
  RSA420403  Penstemon Rockwell 1925-07 s.n. Plumas [No location information provided.] Comment
  CDA9209  Penstemon deustus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .287 Plumas Plumas Eureka State Park. S Johnsville Comment
  SEINET6225247  Penstemon deustus L. S. Rose 1967-1 67173 Plumas 1 mi S of Keddie, Butterfly Creek & Spanish Creek Comment
  CHSC49027  Penstemon gracilentus Vernon Oswald 1983-8-4 962 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  HSC22979  Penstemon gracilentus John Pratt 1970-6-30 60 Plumas Humboldt Summit Comment
  NY600751  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  CDA41879  Penstemon gracilentus T. R. Haig 1962-7-26 s.n. Plumas 2 miles south of Graeagle. Comment
  POM255777  Penstemon gracilentus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1739 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  UC586842  Penstemon gracilentus Joseph Andorfer Ewan 1934-6-26 8195 Plumas Gold Lake Road near Sierra Co. line; Sierra Nevada 1828 Comment
  SEINET5328483 Image available Penstemon heterodoxus M. J. Williams 1974-8-5 74 -P-18 Plumas Lake's Basin. Trail from Silver Lake to Mt. Elwell 2073 Comment
  NY601595  Penstemon heterodoxus var. shastensis B. J. Ertter 1989-7-3 8672 Plumas Diamond Moutain peak, ca. 7 airmiles south of Susanville 2286.0 Comment
  UC1949178  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt peak ca 7 airmiles S of Susanville; below snowbank on N face Comment
  NY130453  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  RSA32330  Penstemon neotericus C. R. Quick 1945-7-25 45 -73 Plumas Butt Creek Plots. Along road toward Humbug Valley. 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
  UCD124293  Penstemon newberryi Donna Allen 1977-5-5 s.n. Plumas Fether River Canyon Road, 25 miles south of 89 junction. 1219 Comment
  SEINET10548067  Penstemon newberryi Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4329 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10898223  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Plumas Sonora pass rocky crevices. Sierra nevada. Comment
  CAS-BOT-BC239308  Penstemon newberryi var. berryi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade Comment
  CHSC43771  Penstemon newberryi var. newberryi Vernon Oswald 1983-8-4 968 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  CHSC49036  Penstemon newberryi var. newberryi Vernon Oswald 1986-7-10 2198 Plumas LaPorte-Quincy Rd. at Onion Valley Creek. 1859 Comment
  NY627327  Penstemon newberryi var. newberryi J. T. Howell 1967-7-11 43351 Plumas Summit ridge of Mt. Hough, (a metamorphic area) 2194.6 Comment
  CAS-BOT-BC245639  Penstemon personatus M. S. Taylor; M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 1/4 mi. E & W of road 26N18, ca. 3 air mi. NW of Indian Falls 1737 Comment
  CAS-BOT-BC245642  Penstemon personatus Wayne Dakan 1970-7-1 s.n. Plumas Mt. Ararat, Sierra Nevada Comment
  RSA479633  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
  SEINET10548092  Penstemon personatus Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4009 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  SEINET10931300  Penstemon personatus Mary Susan Taylor 1982-6-7 Taylor 4614 Plumas T23N R8E ne/nw sec 3. Bucks Lake NE quad. Jct of Schneider Cr Rd (24N16) & 24N47X, ca. 2.5 air mi s of Meadow Valley. 5200 ft. 1585 Comment
  SEINET5329276 Image available Penstemon personatus M. Foster 1988-7-8 182 Plumas Bucks Lake NE Quad; in clearcut unit, 1/2 mi E of Big Creek and Big Creek Rd., below F.S. Rd. 24N47X, 3 mi W of Bucks lake, 10 mi SW of Quincy 1591 Comment
  SEINET5329281 Image available Penstemon personatus M. Foster 1988-7-8 182 Plumas In clearcut unit, 1.2 mi e of Big Creek and Big Creek Rd., below F.S. Rd. 24N47X, 3 mi e of Bucks Lake, 10 mi sw of Quincy 1591 Comment
  UC614860  Penstemon roezlii Beryl O. Schreiber 1932-7-20 464 Plumas La Porte Comment
  CAS-BOT-BC239599  Penstemon rydbergii var. oreocharis A. A. Heller; P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  CAS-BOT-BC239602  Penstemon rydbergii var. oreocharis A. A. Heller; P. B. Kennedy 1907-7-9 8780 Plumas Prattville Comment
  CDA14686  Penstemon rydbergii var. oreocharis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3147 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  NY651265  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-11 25814 Plumas Route 24, above Portola 1463.0 Comment
  NY651266  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25817 Plumas Along Feather River, west of Beckwourth 1493.5 Comment
  UC1523711  Penstemon rydbergii var. oreocharis Gary Schoolcraft 1981-6-17 465 Plumas sw of Portola; sw of Portola 1463 Comment
  UC384665  Penstemon rydbergii var. oreocharis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  UC565592  Penstemon rydbergii var. oreocharis Herbert L. Mason 1924-6-16 1039 Plumas near Blairsden; Feather River - near Blairsden Comment
  CHSC63180  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas On the north side of the Pacific Crest Trail, about 1 mile west of Pilot Peak, about 1/4 mile east of Quincy La Porte Road. 1950 Comment
  CHSC37671  Perideridia bolanderi M. S. Taylor 1982-6-21 4706 Plumas Between creek and Eureka Ridge Rd (23N090, ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  CDA41079  Perideridia bolanderi G. D. Barbe, T. C Fuller 1982-7-16 3770 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
  SEINET13944950 Image available Perideridia bolanderi Lincoln Constance, Tsan Iang Chuang 1967-1 3779 Plumas Between Graeagle, and Cliom 1.3 miles southeast of Graeagle. Alt 4500 ft 1372 Comment
  UC1562648  Perideridia bolanderi subsp. bolanderi Barbara Ertter with Gary Schoolcraft 1989-7-3 8661 Plumas ridge between Red rock and Diamond Mt. (ca 8 air mi s of Susanville) 2225 Comment
  POM180937  Perideridia bolanderi subsp. bolanderi A. A. Heller, P. B. Kennedy 1907-7-4 8724 Plumas Ridge east of Red Clover Valley Comment
  RSA318533  Perideridia bolanderi subsp. bolanderi Patricia Wilder 1971-6-22 5155 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  JEPS115555  Perideridia lemmonii Lowell Ahart, John Dittes 2009-7-28 16203 Plumas On damp soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  UC1123115  Perideridia lemmonii G. T. Nordstrom 1934-7-16 226 Plumas 3/4 mi ssw Bucks Ranch (Plot # 112); Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC34360  Perideridia parishii subsp. latifolia M. S. Taylor 1981-7-17 4030 Plumas Lakes Basin, Bear Lakes trail, ca. 1/4 mi of the trailhead, ca. 6 air mi s of Mohawk. 1950 Comment
  CHSC75893  Perideridia parishii subsp. latifolia G. F. Hrusa 1996-8-2 13449 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine rock. [Original lat./long. on label is '39 28 N; 120 47 W']. 1820 Comment
  SEINET10840956  Perideridia parishii subsp. latifolia Mary Susan Taylor 1981-7-17 Taylor 4030 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CAS-BOT-BC413556  Persicaria amphibia Brian Curks 1937-8-15 s.n. Plumas Lake Alninor [Almanor] Comment
  CAS-BOT-BC413733  Persicaria hydropiper Lowell Ahart 1981-9-6 3069 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC82124  Persicaria lapathifolia L. P. Janeway 2001-7-25 7385 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
  JEPS122113  Persicaria lapathifolia Lowell Ahart 2014-8-24 19738 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC419232  Persicaria maculosa David D. Keck 1932-7-3 1665 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC419305  Persicaria punctata Malcom A. Nobs; S. Galen Smith 1949-8-19 1416 Plumas About 2 miles south of Greenville, Indian Valley Comment
  SFV3014  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Sierra Nevada Rich Gulch. 1174 Comment
  SEINET10902915  Phacelia humilis Mary Susan Taylor 1981-6-16 Taylor 3913 Plumas T23N R13E ne/ne sec 8. Grizzly Valley quad. n side of 23N88, a loop road off rd 24N07, ca. 3/4 mi NW of Smith Peak Lookout, ca. 7 air mi NE of Blairsden. 6800 ft elev. 2073 Comment
  CHSC70265  Phacelia hydrophylloides B. Castro 1989-8-3 341 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18, in rocky open drainage. 1828 Comment
  SEINET10496977  Phacelia linearis Mary Susan Taylor 1982-6-10 Taylor 4619 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  CHSC48472  Phacelia mutabilis Vernon Oswald 1986-7-10 2201 Plumas LaPorte-Quincy Rd. 0.7 mi n of the road to Cleghorn Bar. 1950 Comment
  CHSC92181  Phacelia mutabilis Lowell Ahart; John Dittes 2005-9-19 12407 Plumas Along the sides of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  UC1051799  Phacelia mutabilis L. R. Heckard 1952-6-20 317 Plumas in front of P.G.E. Camp Almanor (along Hwy 89 s of dam); Lake Almanor 1402 Comment
  UCSB19702  Phacelia mutabilis Myrick, Donald 1964-7-21 Plumas Near Trail Parking area, Drakesbad, Lassen Volcanic National Park 1737 Comment
  JEPS100370  Phacelia racemosa Dean W. Taylor 2001-6-6 17777 Plumas ridge about 1 mile North of Lexington Hill (ca. 1.5 air miles NW of La Porte) 1706 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
  CHSC60175  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  CAS-BOT-BC250778  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake 2133 Comment
  UC1024781  Phleum alpinum Leo Whitney 1934-8-6 2242 Plumas ca 9 mi nw Portola (nw end of Big Grizzley Valley, Freeman Creek, Plumas National Forest); Plumas National Forest, Freeman Creek 1828 Comment
  JEPS113549  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
  UC1037120  Phleum pratense Leo Whitney 1934-8-23 2236 Plumas ca 15 mi n Beckwith (Willow Creek); Plumas National Forest, Willow Creek 1950 Comment
  CHSC45359  Phlox diffusa Vernon Oswald 1986-6-6 2082 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  UCR3613  Phlox diffusa Wm. Horn Jr. 1963-6-29 630629 7 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  UCD118240  Phlox hoodii subsp. canescens Kim Nixon 1977-5-29 33 Plumas 7.2 miles east of Doyle on Greeno Rd. then 0.2 miles north on Bird Creek Rd. 1950 Comment
  CHSC89282  Phlox speciosa subsp. occidentalis G. Douglas Barbe; T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  UC1542938  Phlox speciosa subsp. occidentalis G. Schoolcraft 1987-5-5 1693 Plumas Harrison Ranch 1584 Comment
  RSA114693  Phlox speciosa subsp. occidentalis E. K. Balls, Lee W. Lenz 1955-5-14 20711 Plumas 3.1 miles N of Greenville on road to Lake Almanor Hwy 89. 1159 Comment
  CAS-BOT-BC60678  Phoenicaulis cheiranthoides Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  RSA794999  Phoradendron libocedri L. Ahart, John Dittes 2009-7-15 16087 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  CAS-BOT-BC142219  Physocarpus capitatus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  HSC1445  Pinus balfouriana R. J. Mastrogiuseppe 1967-8-29 Plumas Onion Valley, Bulk Collection # 89 Comment
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Dec 30 2014
  JEPS115213  Pinus contorta subsp. murrayana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 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
  UC1348768  Pinus contorta subsp. murrayana R. A. Cockrell 1937-8-5 8327 Plumas Meadow Valley 2042 Comment
  NY49937  Pinus contorta var. murrayana R. M. Austin 1880-1 s.n. Plumas Comment
  CAS-BOT-BC78690  Pinus jeffreyi John Thomas Howell 1962-6-17 37691 Plumas Portola 1463 Comment
  OBI69179  Pinus lambertiana Kristina L. Schultz, Dan Schultz 2000-11-3 2 Plumas Quincy Range. Located 1/4 mi off trl at the intersection of Jackson st and Old Meadow Valley rd Comment
  CAS-BOT-BC79047  Pinus ponderosa Alice Eastwood 1927-6-1 14702 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  UCD133284  Pinus ponderosa Beecher Crampton 1960-6-21 5742 Plumas Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. 1463 Comment
  CHSC65820  Piperia transversa L. P. Janeway 1993-6-15 4387 Plumas Plumas National Forest. Southwest side of Ponderosa Dam on South Fork Feather River. 298 Comment
  CHSC101943  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-13 16050 Plumas On dry soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  SEINET10470052  Piperia unalascensis Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4022 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  HSC100795  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Revervoir, N of the South Fork of the Feather River, SW of the horse camp, 4.5 (air) mi. N of La Porte. 1538 Comment
  HSC104021  Plagiobothrys cusickii L. Ahart, John Dittes 2009-9-7 16378 Plumas About 2,000 ft. NW of Lake Almanor Dam, below the high water line of Lake Almanor 1591 Comment
  CAS-BOT-BC230969  Plagiobothrys hispidulus Clare B. Hardham 1970-8-9 17716 HH Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC117177  Plagiobothrys hispidulus Lowell Ahart 2016-6-29 21057 Plumas On the north side of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  UCD120831  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC230970  Plagiobothrys hispidulus Lowell Ahart 1985-7-3 5102 Plumas Little Grass Valley Reservoir, where the S Fork of the Feather River flows into the lake, about 4.25 miles NE of La Porte 1584 Comment
  UCR111253  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Sierra Nevada Mtns, Butterfly Valley, c. 3 mi. west of Keddie. 1220 Comment
  RSA74358  Plagiobothrys tenellus Milo S. Baker 1952-5-26 12456 Plumas Indian valley, 1/2 mile below Crescent Mills. Comment
  CHSC81136  Plantago major Lowell Ahart 2001-8-28 9207 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  SBBG32861  Platanthera dilatata var. leucostachys K. K. Muller 1963-8-17 1241 Plumas rd to Butterfly Valley, turning off Hwy 89 7 mi N of Quincy Comment
  SEINET11448295  Platanthera dilatata var. leucostachys Unknown 1934-1 Plumas Gold Lake Road Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  RSA59678  Platanthera leucostachys E. K. Balls 1950-9-9 15747 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SEINET10470069  Platanthera sparsiflora Mary Susan Taylor 1982-7-12 Taylor 4811 Plumas T22N R11E se/se sec 4. Blue Nose Mt quad. Headwaters of Chris Creek, ca. 6 mi nw of Mohawk. 6600 ft. 2012 Comment
  SEINET10464981  Plectritis congesta Mary Susan Taylor 1981-5-11 Taylor 3685 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CAS-BOT-BC261053  Poa Catherine Best 1983-8-29 874 Plumas Lakes Basin Campground, Sierra Nevada 1920 Comment
  CHSC41186  Poa bolanderi J. D. Jokerst 1984-6-13 2045 Plumas South of Grizzly Creek, ca 2 air miles east of Peacock Point, ca. 30 meters N of spur C of USFS road 26N08. 1432 Comment
  SEINET7297589 Image available Poa bolanderi Leo Whitney 1934-1 2295 Plumas Under Lodgepole Pine; Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola, Plumas National Forest. 1829 Comment
  SEINET10593528  Poa bulbosa R. K. Brummitt 1998-5-17 Brummitt 19879 Plumas Rte. 89 near Inkian Falls, 2 km from Rte. 70 junction; roadside shale in valley bottom. Comment
  SEINET10836232  Poa bulbosa Mary Susan Taylor 1981-5-11 Taylor 3684 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  UCD105402  Poa bulbosa subsp. bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  CAS-BOT-BC255099  Poa compressa John Thomas Howell; Gordon H. True 1967-7-11 43299 Plumas 2.5 miles form Quincy Junction on road to Mount Hough 1249 Comment
  CAS-BOT-BC255102  Poa compressa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1584 Plumas Butterfly Botanical Area and Vicinity. Near confluence of Spanish and Butterfly Creeks 883 Comment
  JEPS121741  Poa cusickii B. Castro and L. P. Janeway 2007-6-24 1644 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek. Comment
  CAS-BOT-BC255918  Poa nervosa John Thomas Howell; Gordon H. True 1969-6-23 45823 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC247274  Poa palustris John Thomas Howell 1961-9-25 36944 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC247276  Poa palustris Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1448 Plumas Butterfly Botanical Area and vicinity. Near bed of Spanish Creek adjacent to the confluence of Butterfly Creek 902 Comment
  UCD91798  Poa palustris John Thomas Howell 1960-7-19 35627 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  POM264545  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 mi west of Chester on Rte.36 1829 Comment
  RSA699792  Poa pratensis L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11165 Plumas On north side of a forest road, About 0.25 mi north of Taylor rock, About 1 mi (air) SW of Grizzly Peak, About 5 mi (air) south of Taylorsville, About 8 mi (air) NE of Quincy 2140 Comment
  SEINET7850458  Poa pratensis W. Harnach, N. Harnach 1991-6-21 561 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to R/R bridge east of Co. Rd. A-23. 1487 Comment
  UCD91874  Poa pratensis Beecher Crampton 1954-7-5 2039 Plumas along State Highway 89, 1.5 miles north of Greenville. Comment
  CAS-BOT-BC247393  Poa pratensis John Thomas Howell 1960-7-18 35510 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UCD32543  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas 1 mile W of Portola, along Hwy 24. 1472 Comment
  CAS-BOT-BC236280  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  JEPS76238  Poa secunda subsp. juncifolia W. L. Jepson 1939-8-14 19413 Plumas Willow Creek Willow Creek 1828 Comment
  CHSC100881  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2008-6-8 9397 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
  CHSC41173  Poa wheeleri L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-9 Plumas Plumas N.F. ECOS plot 11-127. Along ridge between Indian Cr and Hungry Cr and near the confluence of Hungry and Middle Creeks. 1554 Comment
  UCD91588  Poa wheeleri August L. Hormay 1932-6-9 s.n. Plumas Plumas County Plots. Comment
  CHSC84940  Polemonium pulcherrimum var. pulcherrimum Lowell Ahart 2003-10-17 10648 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  RSA52877  Polygonum amphibium var. stipulaceum R. Weatherby 1950-7-7 1463 Plumas Quincy. 1220 Comment
  CHSC84450  Polygonum aviculare Lowell Ahart; John Dittes 2003-8-8 10486 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  CHSC92178  Polygonum aviculare 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
  JEPS120553  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  CAS-BOT-BC414545  Polygonum douglasii Clare B. Hardham 1978-8-11 21777 b Plumas About 5 miles se. of Thompson Peak Comment
  CAS-BOT-BC414559  Polygonum douglasii Lowell Ahart 1980-7-27 2491 Plumas About 3 miles south of Bucks Lake 2000 Comment
  CAS-BOT-BC414562  Polygonum douglasii A. A. Heller; P. B. Kennedy 1907-7-5 8744 Plumas Hills above Red Clover Valley Comment
  UCD100254  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy. 1036 Comment
  JEPS102398  Polygonum douglasii subsp. douglasii Lowell Ahart 2001-7-17 8917 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
  CHSC57094  Polygonum douglasii subsp. spergulariiforme L. P. Janeway; Garrett Gibson 1991-7-11 4072 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  UC850386  Polygonum douglasii subsp. spergulariiforme A. A. Heller 1937-9-1 15344 Plumas field near Feather River Bridge (just n of Chester) 1304 Comment
  RSA101483  Polygonum kelloggii R. Weatherby 1955-6-26 1551 Plumas Mud Lake, Lakes Basin Area. 2195 Comment
  RSA95484  Polygonum kelloggii L. S. Rose 1954-5-30 54060 Plumas Johnsville 1601 Comment
  JEPS122295  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. Comment
  JEPS115129  Polygonum persicaria Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16238 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  RSA52851  Polygonum persicaria R. Weatherby 1950-7-21 1469 Plumas East Quincy. 1037 Comment
  UC1136140  Polygonum phytolaccifolium G. T. Nordstrom 1934-7-2 164 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC419890  Polygonum polygaloides subsp. confertiflorum W. Harnach; N. Harnach 1990-5-25 323 Plumas Sierra Valley. Marble lane, approx 3/4 mile west of bridge. 1485 Comment
  UC1111532  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas vernal pool e Beckwourth Butte; Sierra Valley Comment
  CHSC94188  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2006-7-3 12907 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, in a low area, on a dry open basalt flat. 1527 Comment
  CAS-BOT-BC420051  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1980-8-12 2576 Plumas About 2 miles south of La Porte. 1600 Comment
  CAS-BOT-BC420148  Polygonum ramosissimum subsp. ramosissimum John Thomas Howell 1951-8-19 28192 Plumas Greenville 1097 Comment
  SEINET10479787  Polygonum sawatchense Mary Susan Taylor 1982-9-8 Taylor 5112 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  UCSB15921  Polygonum sawatchense subsp. sawatchense Breedlove, Dennis 1962-6-12 Plumas On bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC421032  Polygonum spergulariiforme Roxana S. Ferris; Laura Lorraine 1941-8-9 10425 Plumas At Lake Almanor Public Camp. (near village). Comment
  SFV10662  Polypodium californicum M. L. Vincent 1968-6-10 856 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CAS-BOT-BC72022  Polypodium calirhiza John Thomas Howell 1967-6-23 42731 Plumas Lewisia Rock 3.5 miles SW. of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC232940  Polypogon W. Harnach; N. Harnach 1989-5-27 121 Plumas Within 6 inches of the water at the head of the hot wells on N side of Marble Lane 1489 Comment
  CHSC21314  Polystichum imbricans F. T. Griggs; A. Pass 1975-7-8 122 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC72358  Polystichum imbricans subsp. imbricans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1450 Plumas near mouth of Butterfly Creek 883 Comment
  CHSC21802  Populus tremuloides F. T. Griggs; A. Pass 1975-8-1 414 Plumas Bucks Lake Forest Service Survey. Comment
  HSC19898  Populus tremuloides W. R. Rogers 1966-7-12 275 Plumas 1829 Comment
  RSA59330  Populus tremuloides E. K. Balls 1950-9-9 15776 Plumas Lakes Center Public Campground. Southern Plumas Co. 2043 Comment
  CAS-BOT-BC105585  Populus trichocarpa Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET10460770  Porterella carnosula Rockwell ROCKWELL 493 Plumas Last Chance Creek 1829 Comment
  JEPS115680  Portulaca oleracea Lowell Ahart, John Dittes 2009-9-7 16389 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam Comment
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Dec 18 2016
  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
  JEPS102562  Potamogeton crispus Lowell Ahart 2001-10-8 9313 Plumas In shallow water of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC267201  Potamogeton foliosus Robert J. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy 1219 Comment
  RSA52911  Potamogeton foliosus R. Weatherby 1950-7-28 1504 Plumas Marshy lake near Indian Creek, 2 miles south of Crescent Hills. 1037 Comment
  CAS-BOT-BC452175  Potamogeton gramineus C. Etienne 1969-7-26 282 Plumas Pond off Middle Fork of Feather River; Hiway 89 near Graeagle; next to Feather River Park Resort entrance 1280 Comment
  CAS-BOT-BC453676  Potamogeton gramineus John Thomas Howell 1926-7-24 2108 Plumas Lake Almanor, near Prattville 1371 Comment
  SEINET10501681  Potamogeton nodosus Mary Susan Taylor 1981-8-31 Taylor 4261 Plumas California: T2N R13E sw1/4 of se 1/4 sec 4. Blairsden quad. Small creek under RR tracks, off spur road 0.5 mi S of Hwy 70, near Mabie, ca. 3 mi W of Portola. Plumas County. 4800 ft. 1463 Comment
  CHSC44265  Potamogeton praelongus Vernon Oswald 1988-7-19 3604 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CAS-BOT-BC143428  Potentilla Clare B. Hardham 1978-8-11 21759 Plumas About 5 miles southeast of Thompson Peak Comment
  RSA0091945  Potentilla Bonnie C. Templeton 1968-1 11309 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS102811  Potentilla biennis Lowell Ahart 2001-8-29 9237 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC73430  Potentilla bruceae B. Castro; L. Gehrung 1995-8-31 609 Plumas Mosquito Flat Mdw. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. 1676 Comment
  JEPS48885  Potentilla drummondii subsp. bruceae Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  CHSC108455  Potentilla glandulosa subsp. ashlandica Lowell Ahart 2011-9-20 17682 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  RSA611286  Potentilla glandulosa subsp. hansenii Joseph A. Ewan 1934-7-17 8533 Plumas Ready Bullion Mine, Bear Lake, Mt. Elwell Region. 1982 Comment
  JEPS113533  Potentilla gracilis var. fastigiata Lowell Ahart, Josephine Guardino 2007-7-20 14333 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC540077  Potentilla gracilis var. fastigiata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC540405  Potentilla gracilis var. fastigiata John Thomas Howell 1955-7-19 30830 Plumas Sierra Nevada, Mohawk 1371 Comment
  CHSC1577  Potentilla millefolia 1932-5-29 Plumas Near Chester. 1463 Comment
  POM181039  Potentilla millefolia A. A. Heller 1907-7-3 8601 Plumas Red Clover valley Comment
  UC477524  Potentilla millefolia L. S. Smith 1931-5-26 2548 Plumas Last Chance Creek Plumas National Forest, Last Chance Creek 1524 Comment
  CAS-BOT-BC158521  Potentilla millefolia Lloyd W. Swift 1931-5-16 47 Plumas Plumas National Forest. Murdock Crossing 1524 Comment
  UC1594686  Potentilla palustris Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5035 Plumas via Gold Lake Forest Hwy (County Rd. 519) ca 5 mi (air) ssw Graeagle (Grass Lake located just w of Lakes Basin Campground); Grass Lake, ssw of Graeagle 1926 Comment
  CDA39655  Potentilla recta Willo Vierra 2013-11-6 s.n. Plumas Vicinity of Quincy. 0 Comment
  JEPS102824  Potentilla rivalis Lowell Ahart 2001-8-29 9236 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SBBG21912  Poterium sanguisorba D. Myrick 1964-7-21 894 Plumas near trail parking area, Drakesbad 1737 Comment
  UC723804  Primula suffrutescens Joseph Andorfer Ewan 1934-7-16 8507 Plumas s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  CHSC52058  Prunella vulgaris var. lanceolata L. P. Janeway 1989-6-22 3375 Plumas Plumas National Forest. Slopes between Crocker Mtn and the N end of Crocker Mdw; just N of rd 24N49Y. 1767 Comment
  UC1128281  Prunus andersonii C. W. Hanks 1934-8-14 48 Plumas Plumas National Forest, ne Sierra Valley ne Sierra Valley; Plumas National Forest, ne Sierra Valley 1524 Comment
  CAS-BOT-BC158140  Prunus emarginata Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CHSC37657  Prunus virginiana var. demissa T. B. Devine 1981-8-28 760 Plumas On S side of Caribou Road; ca. 4 mi from junction with Hwy 70 along the E branch of the N Fork of Feather River. 853 Comment
  CHSC40930  Prunus virginiana var. demissa K. R. Stern 1985-6-25 8276 Plumas Vicinity of Blairsden. Comment
  SEINET7412612  Prunus virginiana var. demissa W. Harnach, N. Harnach 1990-5-12 302 Plumas Sierra Valley, Approx 5 miles S of Vinton, Feather River Ranch. 1585 Comment
  CDA26215  Prunus virginiana var. melanocarpa G. D. Barbe 1975-6-4 2034 Plumas 1/2 mile east of La Porte Road on Highway 70 east of Quincy. 0 Comment
  CDA18757  Pseudostellaria jamesiana G. D. Barbe, T. C Fuller 1982-7-16 3759 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
  CHSC21027  Pseudostellaria jamesiana F. T. Griggs; A. Pass 1975-7-10 146 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC76049  Pseudostellaria jamesiana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3229 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  SEINET5337031  Pseudostellaria jamesiana A. A. Heller, P. B. Kennedy 1907-7-11 8812 Plumas Prattville. Comment
  SEINET10530925  Pseudotsuga menziesii Mary Susan Taylor 1981-7-27 Taylor 4133 Plumas T25N R11E (SE 1/4 NW 1/4) sec. 23. Genesse Valley quad. At pt in Ward Creek Rd., between Ward Creek and Peel Ridge, ca. 2 mi SE of Genesse. Dry rocky (metavolcanic) woods. 4500 ft. 1372 Comment
  CAS-BOT-BC361999  Psilocarphus tenellus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2009 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET6033386  Pteridium aquilinum var. pubescens M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls o Jamison Creek, above Johnsville 1859 Comment
  CAS-BOT-BC453567  Pterospora andromedea Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1403 Plumas Butterfly Botanical Area and Vicinity: West of Pond reservoir 1097 Comment
  UC723814  Pterospora andromedea Joseph Andorfer Ewan 1934-7-17 8579 Plumas Bear Lake Mohawk Valley, Mt. Elwell region 1981 Comment
  CAS-BOT-BC453563  Pterospora andromedea E. K. Balls 1950-9-1 15618 Plumas Trail from south point of Long Lake to Lakes Center Camping Ground 2011 Comment
  CHSC33935  Pyrola dentata M. S. Taylor; M. Foster 1981-7-14 4011 Plumas Saddle at head of Bullfrog Ravine, along rd 26N18, 3 air mi nw of Indian Falls. 1584 Comment
  SEINET11266574  Pyrola dentata Robert L. Johnson, Mikel R. Stevens 2015-7-13 3973 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. East of pond-wet meadow.; 0 1521 Comment
  CAS-BOT-BC462781  Pyrola dentata Alice Eastwood 1927-6-12 14527 Plumas US Forest Reserve. Forest Lodge near Greenville Comment
  HSC73006  Pyrola dentata M. S. Taylor, M. Foster 1981-7-14 4012 Plumas Saddle at head of Bullfrog Ravine, on Rd. 26N18, 3 air mi. NW of Indian Falls 1616 Comment
  CAS-BOT-BC466108  Pyrola picta C. R. Quick 1953-8-1 53 -75 Plumas Lava flat W of Lake Almanor Comment
  JEPS101250  Pyrrocoma hirta var. lanulosa Dean W. Taylor 2000-8-12 17549 Plumas Camp 14 (ca. 5 air miles SE from Antelope Lake), drainage of Last Chance Creek, along Forest Road 26N07 1694 Comment
  CAS-BOT-BC494116  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 2000-8-2 974 Plumas Sierra Valley. 3/4 mi E of A-23 on Marble Lane at the hot wells 1490 Comment
  CAS-BOT-BC328158  Pyrrocoma lucida John Thomas Howell 1959-9-25 35007 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1493 Comment
  JEPS100318  Pyrrocoma racemosa var. paniculata Dean W. Taylor 2001-7-20 17845 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 just southeast of the lake 1859 Comment
  UCD14010  Quercus chrysolepis John M. Tucker 1948-7-25 1750 Plumas California, Plumas Co.; 1.3 mi. east of Camp 18, area of Camel's Peak; Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  RSA88599  Quercus durata J. T. Howell 1951-6-26 27532 Plumas Near Rich Bar. 793 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
  UC942862  Quercus garryana var. semota Lewis S. Rose 1951-6-26 51020 Plumas East Fork of the Feather River 822 Comment
  CAS-BOT-BC104605  Quercus vacciniifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54401 Plumas Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville 1554 Comment
  CHSC75717  Quercus vacciniifolia Lowell Ahart; Vernon H. Oswald 1999-7-15 8095 Plumas About 100 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  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
  UCD47448  Quercus vacciniifolia John M. Tucker 1948-7-25 1749 Plumas California, Plumas Co.; ca. 3/4 mi. west of United Mining Co. mine on southwest side of Camel Peak; Comment
  UCR3600  Quercus vacciniifolia Wm. Horn Jr. 1963-6-29 630629- 3 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  JEPS103570  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, ca 150 yards N of the gravel road, ca 1/4 mile (air) W of Lumpkin Ridge Road, ca 1 mile (air) SE of Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1718 Comment
  CAS-BOT-BC379369  Ranunculus alismifolius var. alismifolius John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54105 Plumas 10.6 mi northeast of La Porte on road to Quincy 1890 Comment
  CAS-BOT-BC379370  Ranunculus alismifolius var. alismifolius M. S. Taylor 1982-7-12 4812 Plumas at headwaters of Chris Creek, ca. 6 mi NW of Mohawk 2012 Comment
  RSA101443  Ranunculus alismifolius var. lemmonii R. Weatherby 1955-6-22 1536 Plumas Common in meadow just below Spanish Creek. Red fir forest. 2134 Comment
  SD46713  Ranunculus alismifolius var. lemmonii Robert J. Weatherby 1955-6-22 1536 Plumas Meadow below Spanish Peak 2133 Comment
  CAS-BOT-BC379202  Ranunculus andersonii var. andersonii W. Harnach; N. Harnach 1990-3-31 254 Plumas Sierra Valley, found on west side of volcanic knob to the west of Co. Rd. A-23. land belonging to Wilson brothers and for sale at present Comment
  SEINET13710773  Ranunculus aquatilis Lowell William Ahart, Lowell William Ahart 2001-1 9287 Plumas Freeman Creek on Strand of Lake Davis (T24N, R13E, sec 29, NW 1/4) 5770 Ft. 1759 Comment
  CHSC20850  Ranunculus aquatilis var. capillaceus K. R. Stern 1975-7-23 5805 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81402  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-9-18 9287 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  CHSC32817  Ranunculus californicus W. Michael Foster 1981-4-17 5 Plumas Upper margin of road cut, n side of intersection of Hwys 89 and 70, ca. 7 mi n of Quincy. 914 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
  RSA52842  Ranunculus flammula var. ovalis R. Weatherby 1950-7-7 1458 Plumas Quincy. 1220 Comment
  UCSB46164  Ranunculus hystriculus Reisentz, Paul 1979-5-12 Plumas Injun Jim Campground, 6.7 miles south of Beldon. Comment
  RSA518189  Ranunculus occidentalis B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 958 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  UC1126203  Ranunculus occidentalis C. W. Hanks 1934-8-10 34 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (canyon on ne edge) Comment
  RSA147071  Ranunculus occidentalis var. ultramontanus Alice Eastwood 1927-6-12 14497 Plumas Forest Lodge, Greenville. Comment
  CHSC58177  Ranunculus orthorhynchus var. orthorhynchus Vernon H. Oswald; Lowell Ahart 1992-6-2 4975 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  JEPS23630  Ranunculus uncinatus Esther C. Fritz 1933-8-1 Plumas above Camp Califorest (UC Forestry Camp) (just off Meadow Valley); Schneider Meadow 1188 Comment
  RSA551254  Rhamnus T. C. Fuller, G. D. Barbe 1981-6-25 s.n. Plumas E side of Indian Valley just N of Taylorsville. 1113 Comment
  SEINET11975902  Rhododendron californicum Unknown 1961-1 253 Plumas Upper Butterfly Valley, 2.5 mi W turn off Hwy 89-US 40 1 Comment
  SBBG33901  Rhododendron neoglandulosum L. S. Rose 1969-6-24 Plumas Butterfly Valley, 5 mi W of Keddie 1310 Comment
  UC858642  Ribes Alice Eastwood 1918-5-25 7046 Plumas Portola Comment
  RSA97475  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas Five miles south of Vinton. Comment
  CAS-BOT-BC108707  Ribes cereum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54274 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CAS-BOT-BC108711  Ribes cereum Barbara T. Menzies 1978-4-19 s.n. Plumas Sierra Nevada. Near Beckwourth Pass. Comment
  UCD102122  Ribes cereum Donna Allen 1977-6-2 s.n. Plumas On Clover Creek dirt road, half way between Genesee valley and Summit valley. Comment
  CHSC96919  Ribes cereum var. cereum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13985 Plumas East side of an open rocky flat, 70 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  SEINET13942628 Image available Ribes menziesii A. D. E. Elmer 2015-1 4496 Plumas Portola Comment
  CAS-BOT-BC219220  Ribes nevadense Gladys L. Smith 1976-5-18 s.n. Plumas Right side of road going E, Lower Feather River Canyon 457 Comment
  UCD19439  Ribes nevadense W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake, along quarry road. 1584 Comment
  SEINET5339777  Ribes roezlii L. Miller 1929-6-12 s.n. Plumas 5 miles SW of Blairsden Comment
  CHSC46659  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 Plumas About 10 miles north-east of La Porte, about 1/4 mile north of Pilot Peak, growing on dry bare soil in openings, north of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak. 2103 Comment
  CAS-BOT-BC363062  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth 1645 Comment
  CAS-BOT-BC363059  Rigiopappus leptocladus Mary Strong Clemens 1920-7-1 s.n. Plumas Greenville Comment
  JEPS53823  Rorippa W. L. Jepson 1939-7-31 19324 Plumas near summit Spanish Peak; near summit Spanish Peak 2042 Comment
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  CAS-BOT-BC146375  Rosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54377 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CAS-BOT-BC148171  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2627 Plumas Ner Overnight Camp - Butterfly Botanical Area and vicnity 1097 Comment
  CAS-BOT-BC148182  Rosa gymnocarpa Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge Comment
  CDA14694  Rosa gymnocarpa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  CDA34171  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-15 16078 Plumas On the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butte Valley Reservoir Dam. Comment
  SBBG128057  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-28 16195 Plumas slope NW of mine, W (above) Forest Service Rd 27N28Y, 2.9 mi NW of Butt Valley Reservoir Dam 1581 Comment
  UC1128559  Rosa gymnocarpa E. Nourse 1934-9-4 19 Plumas 3/4 mi s and 1 mi w Quincy (Plot 77); Plumas National Forest, Downieville Quadrangle Comment
  SEINET8723616 Image available Rosa gymnocarpa H. S. Reed 1941-1 s.n. Plumas Forest Lodge. Altitude ca. 3400 feet, Plumas County. 1036 Comment
  SEINET10483535  Rosa pinetorum Mary Susan Taylor 1982-6-17 Taylor 4695 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  CHSC97283  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14465 Plumas About 40 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  UC1561241  Rotala ramosior Barbara Ertter 1988-10-21 8012 Plumas 1.5 mi e of Chester (Lake Almanor, e end of causeway); Lake Almanor 1341 Comment
  CAS-BOT-BC148050  Rubus leucodermis Walter Knight; John Thomas Howell; Irja Knight 1966-7-27 1547 Plumas Along roadside near mouth of Butterfly Creek - butterfly Botanical Area and Vicinity 883 Comment
  OBI9993  Rubus leucodermis Lewis S. Rose 1966-7-26 66051 Plumas Butterfly Crk and Spanish Crk. 1 mi S of Keddie 991 Comment
  UC338281  Rubus parviflorus unknown 1889-6-26 Plumas Mohawk Valley Comment
  CHSC113881  Rumex acetosella Lowell Ahart 2014-8-26 19777 Plumas Gravel bars 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
  JEPS113734  Rumex acetosella Lowell Ahart, John Dittes 2007-6-17 14206 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
  SEINET10479371  Rumex acetosella Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  RSA726386  Rumex maritimus L. Ahart, Josephine Guardino 2007-7-20 14346 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CHSC80252  Rumex paucifolius L. P. Janeway 1996-6-5 4992 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  UCR270586  Rumex paucifolius John F. Emmel 1998-6-6 1558 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 Comment
  UC580738  Rumex salicifolius var. denticulatus C. G. Albertus 1935-7-20 201 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  UC1070529  Rumex salicifolius var. lacustris E. Sawyer 1935-6-28 260 Plumas 5 mi sse Buttes; Sierraville Quad. 1493 Comment
  CAS-BOT-BC434305  Rumex triangulivalvis John Thomas Howell 1951-6-27 27559 Plumas Johnsville 1584 Comment
  CHSC43391  Sagina saginoides Lowell Ahart 1979-7-18 1997 Plumas Along a small stream, west of the dirt road, east of Finger Board Mountain, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  JEPS88517  Sagina saginoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8012 Plumas e. side of arm of, extending n. from Hwy. 36 causeway Lake Almanor (s. of point where rd. to Last Chance Campground (28N11) begins to parallel the lake); High Cascade Range 1371 Comment
  UC1185299  Sagina saginoides H. E. Brown Aug 1 1897-Aug 15 1897 627 Plumas near Lassen Buttes 1828 Comment
  JEPS28436  Sagina saginoides George W. Gillett 1957-7-19 846 Plumas slopes across from Devil's Kitchen (just beyond very large spring and 1 1/4 mi. above hot springs area); Lassen Volcanic Nat'l Park 2057 Comment
  SEINET3840880  Sagina saginoides G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-24 3223 Plumas One mile suoth of junction of Mount Hough-Crystal Lake Road with China Grade Road (road to Taylorsville), Rhinehart meadow 1680 Comment
  CHSC44256  Sagittaria cuneata Vernon Oswald 1988-7-19 3599 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  JEPS32202  Sagittaria cuneata W. L. Jepson 1918-8-17 8036 Plumas Sierra Valley 1524 Comment
  CAS-BOT-BC445679  Sagittaria cuneata John Thomas Howell 1973-7-9 49706 Plumas Crescent Mills. 1066 Comment
  SEINET10465396  Sagittaria cuneata Mary Susan Taylor 1982-8-17 Taylor 5006 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  CAS-BOT-BC445749  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1511 Plumas Butterfly Botanical Area and Vicinity 1091 Comment
  UCD138051  Sagittaria latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1419 Plumas 2 miles souht of Greenville, Indian Valley. Comment
  CHSC69163  Sagittaria rigida Vernon Oswald 1997-8-1 8809 C Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CAS-BOT-BC103630  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Trail to Elwell at spring on ridge, Gold Lake Region Comment
  RSA60263  Salix eastwoodiae E. K. Balls 1950-9-1 15586 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  JEPS102316  Salix exigua Lowell Ahart 2001-6-4 8758 Plumas 5 air miles NE of La Porte (overflow area on N side of South Fork of the Feather River, 1/2 mi SW of the Feather Fork Mine, 1 mi NE of Little Grass Valley Reservoir) 1594 Comment
  OBI2891  Salix exigua Lewis S. Rose 1968-6-10 68090 Plumas Quincy 1036 Comment
  SEINET10538831  Salix exigua Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4664 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  UCD147795  Salix exigua var. exigua Allyson Ayalon; Lucie Jerabkova 2012-8-1 148 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC107971  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  JEPS102788  Salix lasiandra var. lasiandra Lowell Ahart 2001-6-4 8757 Plumas On the north side of the South Fork of the Feather River, about 1/2 mile SW of the Feather Fork mine, about 1 mile NE of Little Grass Valley Reservoir, about 5 miles (air) NE of La Porte. 1594 Comment
  CHSC9576  Salix lasiolepis E. L. Smith 1971-4-28 950 Plumas N city limits in Quincy. 1043 Comment
  CAS-BOT-BC128435  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell 1966-7-28 1432 Plumas In bed of Spanish Creek near confluence of Butterfly Creek 1021 Comment
  CHSC87631  Salix lasiolepis var. lasiolepis Lowell Ahart; Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CAS-BOT-BC124802  Salix lemmonii John Thomas Howell 1967-6-23 42700 Plumas Butterfly Valley 1066 Comment
  JEPS113522  Salix lemmonii Lowell Ahart, John Dittes 2007-6-16 14128 Plumas Meadow, along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1135030  Salix lemmonii E. Sawyer 1935-5-27 40 Plumas 1 1/4 mi nnw Kerby; Sierraville Quadrangle 1554 Comment
  CAS-BOT-BC124795  Salix lemmonii John Thomas Howell 1960-7-21 35838 Plumas Flats nw. of Willow Lake 1676 Comment
  CAS-BOT-BC125102  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  POM218941  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 398 Plumas N Fork of Feather River, at Chester. 1350 Comment
  CHSC92139  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2005-9-19 12369 Plumas On the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CAS-BOT-BC129353  Salix melanopsis Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC129399  Salix melanopsis L. S. Smith 1931-5-27 6 Plumas Last Chance Creek 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
  CAS-BOT-BC176984  Salsola tragus John Thomas Howell 1955-7-19 30763 Plumas Beckwourth 1493 Comment
  CHSC34263  Salsola tragus M. S. Taylor 1981-8-31 4260 Plumas Small creek under RR tracks, off Spur Rd, 0.5 mi s of Hwy 70, near Maple, ca. 3 mi w of Portola. 1463 Comment
  CAS-BOT-BC176986  Salsola tragus John Thomas Howell 1959-9-25 34997 Plumas 2 miles east of Portola 1484 Comment
  UC1037207  Sanguisorba annua Leo Whitney 1934-8-11 1558 Plumas near source Freeman Creek (ca 9 mi nw of Portola, nw end of Big Grizzley Valley); Plumas National Forest, nw end Big Grizzley Valley, Freeman 1828 Comment
  JEPS46337  Sanguisorba annua W. L. Jepson 1939-8-12 19399 Plumas Ferris Creek , branch of Last Chance Creek (branch of Last Chance Creek) 1767 Comment
  SEINET10483615  Sanguisorba annua Mary Susan Taylor 1982-6-28 Taylor 4755 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
  RSA83055  Sanicula Alva Grant, Verne Grant 1948-6-13 8585 Plumas 1 mile from Cascade road to Oroville. Comment
  CDA18748  Sanicula graveolens G. D. Barbe, T. C Fuller 1982-7-16 3769 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
  CHSC72427  Sanicula graveolens L. P. Janeway 1998-6-22 5651 A Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. 1699 Comment
  RSA471446  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 mi W of rd to Snake Lake, departing to NW of hwy 89 ca 2 mi N of Quincy. 1273 Comment
  RSA0029776  Sanicula graveolens Barbara Ertter, Gary Schoolcraft 1990-5-14 8972 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  JEPS965  Sanicula tuberosa W. L. Jepson 1910-6-5 4067 Plumas Warner Valley 1524 Comment
  HSC21643  Sanicula tuberosa Jim Vaughn 1996-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen Area, Mt. Lassen Natl. Park 1829 Comment
  JEPS110524  Saponaria officinalis Lowell Ahart 2006-10-23 13479 Plumas On large gravel, on the southeast 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 m 1281 Comment
  SD7167  Sarcodes sanguinea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC466213  Sarcodes sanguinea Marion Ownbey; Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada Comment
  CAS-BOT-BC466217  Sarcodes sanguinea Elmer I. Applegate 1929-6-21 5796 Plumas Between Kelly's Camp and Drankesbad, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC466336  Sarcodes sanguinea Walter Knight; Irja Knight 1967-5-22 1809 Plumas Butterfly Botanical Area and Vicinity. Near Ranch house at Valley proper 1036 Comment
  CDA18560  Saxifraga nidifica G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3359 Plumas Sierra Nevada; 0.25 mile northeast of Bucks Summit on Bucks Lake Road; at the head of Eagle Gulch. 1670 Comment
  SEINET3991573  Schoenolirion Unknown 1940-6-25 Plumas Butterfly Valley 1219 Comment
  SEINET3991677  Schoenolirion Unknown 1941-8-5 Plumas Keddie 1067 Comment
  SEINET10472669  Schoenolirion album Mary Susan Taylor 1982-6-6 Taylor 4610 Plumas T25N R7E nw sec 4. Almanor SW quad. S side of Caribou Rd, ca. 1 mi ne of Queen Lily Campground, ca. 4 air mi ne of Belden. 2700 ft. 823 Comment
  RSA239279  Schoenoplectus acutus var. occidentalis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42335 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; Pond Reservoir 1159 Comment
  UC1609498  Schoenoplectus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  CHSC110371  Scirpus congdonii Lowell Ahart 2012-9-5 18439 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  CAS-BOT-BC35579  Scirpus congdonii John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester 1889 Comment
  CAS-BOT-BC110862  Scirpus diffusus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2391 Plumas In wet area of Butterfly Valley Comment
  CAS-BOT-BC111007  Scirpus microcarpus Alice Eastwood 1927-6-13 14547 Plumas Forest Lodge near Greenville Comment
  CHSC52557  Scirpus microcarpus K. R. Stern 1985-6-25 8312 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC111011  Scirpus microcarpus John Thomas Howell 1975-7-15 51855 Plumas Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  SD46740  Scirpus pauciflorus Robert J. Weatherby 1955-6-26 1545 Plumas Common in mosses, wet meadow. Mud Lake, Lakes Basin Area. 2103 Comment
  JEPS88397  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8016 Plumas e side of the arm of Lake Almanor (extending n from Hwy 36 causeway, s of the point where the road to Last Chance Campground (28N11) begins to parallel lake); , High Cascade Range 1371 Comment
  SEINET10499131  Scutellaria antirrhinoides Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3824 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  CAS-BOT-BC419676  Scutellaria galericulata Clare B. Hardham 1985-7-31 30156 Plumas Antelope Reservoir 1584 Comment
  UCD125680  Scutellaria nana Michael A. Vincent 1999-6-8 8557 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N16 between FS 26N17 and Doyle's Crossing bridge. Comment
  CHSC89805  Scutellaria siphocampyloides G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3178 Plumas Sierra Nevada. 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC81366  Sedum spathulifolium L. P. Janeway 1996-5-7 4964 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 0.3 mi northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. 902 Comment
  CAS-BOT-BC63845  Sedum spathulifolium M. S. Taylor 1982-7-23 4716 Plumas Both sides of 23N10- Peoria Ck. Rd., 0.3 mi W of Peoria Ck, 3 mi SW of Sloat. 1402 Comment
  UC1778630  Sedum spathulifolium G. Douglas Barbe, T. C. Fuller 1982-7-15 3746 Plumas 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  UCSB46159  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas Intersection of North Fork Camp Road and Highway 70 Comment
  JEPS79624  Selaginella wallacei Edward Lee 1951-10-8 1763 .9 Plumas Feather Hwy. below N. Fork Comment
  JEPS94564  Senecio hydrophiloides Vernon H. Oswald and Lowell Ahart 1997-6-24 8625 Plumas on Diamond Mtn. Motorway (28N15) s Susanville (at the meadow at Wheeler Sheep Campground) 1993 Comment
  CHSC93158  Senecio hydrophilus L. P. Janeway 1994-8-16 4733 Plumas Northern High Sierra Nevada. West side of Little Schneider Creek about 0.5 mi south of Meadow Valley Creek. Large meadow. 1146 Comment
  CHSC97297  Senecio serra var. serra Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 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
  CAS-BOT-BC364392  Senecio triangularis Anna Head 1920-7-30 s.n. Plumas Lake Center Camp, Poplar Meadows, Feather River Region 1920 Comment
  CHSC102143  Sericocarpus oregonensis Lowell Ahart; John Dittes 2009-7-27 16183 Plumas On dry soil, about 20 yards north of the poor dirt road, about 10 yards west of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC55182  Sericocarpus oregonensis L. P. Janeway 1989-9-29 3647 Plumas Low in canyon of North Fork Feather River at Rock Creek. 548 Comment
  CAS-BOT-BC364768  Sericocarpus oregonensis subsp. californicus Edward Pittman 1965-10-16 226 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  JEPS112914  Sidalcea Dean W. Taylor 2001-8-2 17878 Plumas Onion Creek headwaters ca. 0.5 air miles SW of American House, along Forest Road 21N01Y ca. 0.3 miles West of junction Forest Road 21N99 1402 Comment
  CHSC82965  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7698 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  CHSC95102  Sidalcea glaucescens L. P. Janeway 2006-7-11 8811 Plumas Northern High Sierra Nevada. About 2.7 km north of Quincy; 70 m northwest of Hwy 70 along south side of Snake Lake Road. 1097 Comment
  UC1950094  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester Comment
  UC2042996  Sidalcea glaucescens Barbara Ertter with Gary Schoolcraft 1990-5-14 8967 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  JEPS48723  Sidalcea glaucescens John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley, Grubstake Flats Comment
  JEPS97975  Sidalcea glaucescens B. G. Baldwin 1999-6-15 1086 Plumas La Porte Road 10.9 mi S of Middle Fork Feather River crossing Quincy Comment
  RSA74354  Sidalcea glaucescens Milo S. Baker 1952-5-24 12445 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  CAS-BOT-BC205769  Sidalcea oregana Paul F. Covel 1937-7-20 869 Plumas Quincy Comment
  JEPS115220  Sidalcea oregana subsp. spicata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16134 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  SBBG122808  Sidalcea oregana subsp. spicata B. Ertter 1988-7-25 7843 Plumas Snoring Springs, 0.5 mi N of Diamon Mtn-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  SEINET9004725  Sidalcea oregana var. spicata S. Batiuk, D. Matthews, J. Jaggers, A. Kowal 2011-8-31 NV 030 -647 Plumas Grizzly Creek Ranch, near pond. 1506 Comment
  SD46527  Silene californica Robert J. Weatherby 1955-7-21 1649 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork of Feather River. 1540 Comment
  UC185511  Silene campanulata subsp. glandulosa Mrs. R. M. Austin July 1893 15 Plumas on old military road Summit Cascades (Summit Cascades) Comment
  CAS-BOT-BC386984  Silene douglasii Mrs. E. C. Sutcliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC386992  Silene douglasii Clare B. Hardham 1975-8-2 20451 Plumas Black Mt. 2133 Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CAS-BOT-BC386986  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas Trail near Long Lake. Lakes Basin Area. Comment
  CHSC109552  Silene douglasii var. douglasii L. P. Janeway 2012-7-17 10949 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1728 Comment
  JEPS113816  Silene douglasii var. douglasii Lowell Ahart, John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-BC181293  Silene invisa Wayne Dakan 1975-7-20 s.n. Plumas Little Bear Lake, ca. q mi. nw of Gold Lake - Sierra Nevada 2042 Comment
  CHSC51523  Silene invisa L. P. Janeway 1990-7-17 3799 Plumas Plumas National Forest. Lakes Basin Recreation Area; along edge of meadow on S side of Gold Lake Lodge. 2011 Comment
  CAS-BOT-BC389398  Silene lemmonii L. Constance 1938-6-10 2315 Plumas W. edge of Lake Almanor at Prattville 1219 Comment
  CAS-BOT-BC389401  Silene lemmonii Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC389379  Silene lemmonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2434 Plumas Butterfly Botanical Area and Vicinity. In vicinity of mouth of Butterfly Creek 883 Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  SEINET10537589  Silene lemmonii Mary Susan Taylor 1982-6-17 Taylor 4692 Plumas T23N R11E sw/nw sec 17. Blue Nose Mt quad. Both sides of 23N44Y, 1.3 mi w of its jct with Bell Bar Cr Rd (23N50Y), ca. 2 air mi sw of Sloat. Elev 4900 ft. 1493 Comment
  POM100977  Silene occidentalis Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CAS-BOT-BC75111  Sisymbrium altissimum Alice Eastwood 1927-6-18 s.n. Plumas Near Greenville. United States Forest Preserve. Comment
  CAS-BOT-BC75112  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1540 Plumas Butterfly Botanical Area and Vicinity. Along roadside near mouth of Butterfly Creek 1036 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
  RSA232871  Sisyrinchium elmeri Lewis S. Rose 1968-6-11 68104 Plumas Butterfly Valley, 4 mi S of Keddie. 1037 Comment
  SEINET10507626  Sitanion hystrix Mary Susan Taylor 1982-8-18 Taylor 5014 A 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
  UC1191945  Sium suave Malcolm A. Nobs, S. Galen Smith 1949-8-19 1458 Plumas on southeastern side of Portola Portola Comment
  UC1134668  Smilacina racemosa D. Axelrod 1934-6-9 23 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC924283  Smilacina stellata H. S. Reed 1941-8-3 Plumas Forest Lodge Comment
  SEINET3149129  Solidago californica E. K. Balls 1950-9-9 15693 Plumas 3.1 mi E of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  RSA59117  Solidago canadensis subsp. elongata E. K. Balls 1950-8-31 15520 Plumas Highway 24, one mile north of Spanish Creek, just north of Quincy. 1098 Comment
  RSA59443  Solidago canadensis subsp. elongata E. K. Balls 1950-9-8 15727 Plumas Lakes Center Public Campground. 2043 Comment
  CHSC102974  Solidago velutina subsp. californica Lowell Ahart; John Dittes 2009-9-7 16398 Plumas On the north side of the road (levee) about 80 yards north of Lake Almanor Dam. 1591 Comment
  CHSC52728  Solidago velutina subsp. californica L. P. Janeway 1990-8-15 3828 Plumas Plumas National Forest. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzy Cr. 1844 Comment
  CHSC58161  Sonchus asper subsp. asper Vernon H. Oswald 1992-6-18 4985 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  JEPS123938  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 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
  RSA252435  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-6 39235 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  JEPS107726  Sparganium emersum subsp. emersum Lowell Ahart, John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CAS-BOT-BC390073  Spergularia atrosperma John Thomas Howell 1962-6-19 37866 Plumas 5.8 mi. east of Beckwourth 1493 Comment
  CAS-BOT-BC390682  Spergularia rubra John Thomas Howell 1960-7-19 35615 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  CAS-BOT-BC374765  Sphaeromeria potentilloides var. potentilloides John Thomas Howell 1962-6-19 37878 Plumas Chilcoot 1524 Comment
  RSA29620  Sphenosciadium capitellatum Joseph A. Ewan 1934-7-8 8587 Plumas Camp Coldwell, Dentins(?) Mohawk Valley 1616 Comment
  CHSC21356  Spiraea densiflora F. T. Griggs; A. Pass 1975-7-7 87 Plumas Gold and Silver Lake. Comment
  RSA472771  Spiraea densiflora Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  HSC19752  Spiraea douglasii W. R. Rogers 1966-8-24 207 Plumas Near Snake Lake Comment
  JEPS45010  Spiraea douglasii W. L. Jepson 1924-7-24 10635 Plumas Meadow Valley 1158 Comment
  RSA239304  Spiraea douglasii Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42342 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; near Darlingtonia bog. 1174 Comment
  RSA59234  Spiraea douglasii E. K. Balls 1950-8-31 15536 Plumas Hwy 24. 1/2 mile N of Spanish Creek. Just N of Quincy. 1098 Comment
  SD50705  Spiraea douglasii D. F. Howe 1959-8-3 Plumas 30 miles north of Quincy, by stream 1372 Comment
  SEINET3853113  Spiraea splendens Unknown 1938-1 Plumas Onion [?] Valley Comment
  UCD139041  Spiranthes romanzoffiana Malcolm A. Nobs; S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley. Comment
  JEPS107639  Stachys ajugoides var. rigida Lowell Ahart, Josephine Guardino 2005-8-9 12282 Plumas On the bottom of Fant Creek, about 50 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
  JEPS63099  Stachys ajugoides var. rigida John W. Duffield 1937-7-18 Plumas above and w Meadow Valley (above falls); Schneider Creek Comment
  SEINET9322891  Stachys rigida Unknown Plumas Gray Eagle Creek Comment
  CHSC116381  Stachys rigida var. rigida Sara M. Taylor; Scott Batiuk 2012-7-31 59 Plumas Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20. Continue west onto 25N57, left onto 25N59, (fen is ~800 m west of Drosera Pond). UTM zone 10, NAD 83, 4428172 N 659702 E. 1573 Comment
  SEINET7977076  Stachys rigida var. rigida A. A. Heller, P. B. Kennedy 1907-7-8 8767 Plumas Near Greenville Comment
  CDA43019  Stellaria crispa L. Ahart 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 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
  JEPS114927  Stellaria crispa Lowell Ahart 2008-7-16 15094 Plumas Near the northwest edge of a small meadow (swamp), about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  RSA794952  Stellaria crispa L. Ahart, John Dittes 2009-7-28 16198 Plumas Seeps, slope northwest of mine, west above Forest Service Road 27N28Y, 2.9 air miles northwest of Butt Valley Reservoir Dam. 1582 Comment
  CAS-BOT-BC397725  Stellaria nitens John Thomas Howell; H. Keith Wagnon 1980-5-26 53585 Plumas Lewisia Rock, Feather River Canyon 3.5 miles SW of Belden 609 Comment
  CHSC94981  Stellaria obtusa Lowell Ahart 2006-10-8 13409 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  CAS-BOT-BC375048  Stenotus acaulis Clare B. Hardham 1970-8-9 17716 R Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC375052  Stenotus acaulis John Thomas Howell; Gordon H. True 1973-7-31 50079 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  SEINET10886681 Image available Stenotus acaulis A. Arthur Heller, Patrick B. Kennedy 1907-7-3 Heller 8696 Plumas Hills above Red Clover Valley. Comment
  JEPS2875 Image available Stenotus acaulis var. kennedyi Heller and Kennedy 1907-7-3 8698 Plumas hills above Red Clover Valley; ; Above Red Clover Valley, Plumas Co. Comment
  SEINET5332723 Image available Stenotus acaulis var. kennedyi A. A. Heller, P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley. Comment
  CHSC117561  Stephanomeria lactucina Lowell Ahart 2016-7-9 21085 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
  SEINET11793727  Stephanomeria lactucina Unknown 1974-1 609 Plumas along Eureka Ridge, W of Johnsville, about 10 mi S of Sloat</