Search Results — 2000 specimen records retrieved (1459 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
  CAS-BOT-BC77980  Abies concolor Walter Knight; Irja Knight; John Thomas Howell 1598 Plumas Fern Glen 1097 Comment
  SEINET3559838 Image available Abies concolor James Montgomery 1969-7-26 81201 a Plumas 11 miles northwest of Greenville. Comment
  SEINET177868  Acer glabrum Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico on the Big Divide 1830 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
  UC1171597  Acer glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quad. 1767 Comment
  CAS-BOT-BC330951  Acer glabrum var. glabrum George W. Gillett 1957-7-19 858 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes, aobut 1.25 miles above the Devils Kitchen. 2057 Comment
  CHSC46628  Acer glabrum var. torreyi Lowell Ahart 1989-7-2 6348 Plumas on the north-west side of Pilot Peak, about 10 miles north-east of La Porte 2133 Comment
  JEPS115180  Acer macrophyllum Lowell Ahart, John Dittes 2009-7-13 16047 Plumas On dry soil, near a seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  SEINET3098687 Image available Acer macrophyllum Bob Reeves 1968-4-14 23 Plumas Along Feather River, 0.25 mi below Pauls Creek, State highway 70. 610 Comment
  CAS-BOT-BC28734  Achillea millefolium J. T. Howell 1961-6-21 36671 Plumas Greenville 1097 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  CAS-BOT-BC260432  Achnatherum hymenoides John Thomas Howell 1955-7-19 30771 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC210694  Achnatherum lemmonii John Thomas Howell 1967-6-23 42668 Plumas Canyon of Butterfly Creek 990 Comment
  CAS-BOT-BC210702  Achnatherum lemmonii L. W. Swift 1933-6-13 85 Plumas Plumas National Forest. Bagley Pass 1828 Comment
  UC1523704  Achnatherum lettermanii Gary Schoolcraft 1982-6-9 691 Plumas s of Beckworth 1584 Comment
  CHSC91835  Achnatherum occidentale G. Douglas Barbe; T. C. Fuller 1982-7-15 3735 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  UCD50886  Achnatherum occidentale A. A. Beetle 1941-6-28 2898 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC210842  Achnatherum occidentale subsp. californicum L. P. Janeway 1990-8-2 3821 Plumas Plumas National Forest, Beckwourth Ranger District. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge 2057 Comment
  RSA71303  Achnatherum occidentale subsp. californicum L. S. Rose 1951-6-27 51022 Plumas Johnsville. 1601 Comment
  CHSC108144  Achnatherum occidentale subsp. occidentale Lowell Ahart 2011-9-17 17673 Plumas On bare open basalt, about 200 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 180 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  CHSC73876  Achnatherum occidentale subsp. occidentale B. Castro 1997-6-9 727 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  RSA201262  Achnatherum occidentale subsp. occidentale J. T. Howell 1960-7-17 35485 Plumas Drakesbad; Lassen Volcanic National Park. 1677 Comment
  SBBG22468  Acmispon americanus C. B. Hardham 1961-6-15 7403 Plumas Graeagle Comment
  CHSC21534  Acmispon americanus var. americanus L. Mayer; D. Brink 1975-7-9 Plumas Roadside. Buck's Lake Forest Service Survey. Comment
  CHSC66625  Acmispon americanus var. americanus Vernon H. Oswald 1996-7-15 8030 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. On a Jeep road paralleling the lake. 1371 Comment
  HSC93322  Acmispon nevadensis var. nevadensis Vernon H. Oswald, L. Ahart 1996-7-15 8032 Plumas Last Chance Marsh at the N end of Lake Almanor. 1.4 miles S of Last Chance Campground E from Rd. 29N11. 1372 Comment
  SEINET10535954  Aconitum columbianum Mary Susan Taylor 1981-7-21 Taylor 4092 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CAS-BOT-BC391468  Aconitum columbianum subsp. columbianum Anna Head 1920-7-15 s.n. Plumas Gray Eagle Meadows, near L.C.C., Feather River Region Comment
  CAS-BOT-BC391667  Actaea rubra Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC43726  Actaea rubra Vernon Oswald 1986-7-2 2181 Plumas Pacific Crest Trail, ca. 0.3 mi e of Humboldt Summit. 1999 Comment
  CAS-BOT-BC391663  Actaea rubra David D. Keck 1932-7-3 1703 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  CHSC33784  Adenocaulon bicolor M. S. Taylor 1981-7-21 4077 Plumas NE corner of jct 25N42 and 401, ca. 3 air mi N of Spring Garden, E and above Squirrel Creek. 1371 Comment
  JEPS115172  Adenocaulon bicolor Lowell Ahart, John Dittes 2009-7-13 16052 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
  UC586933  Adenocaulon bicolor Joseph Andorfer Ewan 1934-6-25 8210 Plumas above, along Gold Lake Road Dentens (Blairsden); Sierra Nevada Comment
  CHSC32036  Adiantum aleuticum L. Ahart 1979-8-4 2010 Plumas Ca. 1 mi w of Pilot Peak, ca. 12 mi n of La Porte. 1800 Comment
  JEPS87886  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  CAS-BOT-BC65502  Adiantum aleuticum Clarence R. Quick 1952-9-6 52 -315 Plumas Southeast of Meadow Valley (about 1.5 miles se. of Dean's Valley) 1219 Comment
  UCLA72430  Agastache urticifolia Joseph Andorfer Ewan 1934-7-16 8526 Plumas along s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  CAS-BOT-BC29430  Ageratina occidentalis Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CDA13998  Ageratina occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-2 13423 Plumas Sierra Nevada; Argentine Rock ~ 1/2 mile W of Pine Creek Valley. 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
  UCD128567  Ageratina occidentalis M. S. Taylor 1981-7-21 4097 Plumas Argentine lookout, ca. 0.5 mile southwest of 26N21 Grizzly Peak Road, ca. 5 air miles north of Spring Garden. Comment
  CHSC105206  Agoseris grandiflora K. R. Stern 1985-6-25 8280 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC36878  Agoseris grandiflora M. S. Taylor 1982-8-4 4911 Plumas Jct of 25N14 and Taylor Creek and along Taylor Creek, ca. 5 mi NE of Quincy. Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CAS-BOT-BC22915  Agoseris heterophylla M. S. Taylor 1982-7-12 4642 Plumas Mt Harkness SE quad. Jct of Hwys 36 and 89, ca. 3 mi w of Chester. 1493 Comment
  CHSC117487  Agoseris monticola Lowell Ahart 2016-6-29 21073 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC13244  Agoseris monticola J. T. Howell 1960-7-21 35802 Plumas Lassen Volcanic National park, Drakesbad 1828 Comment
  CAS-BOT-BC162046  Agrostis Fred Sommers; Greg Sommers 1976-7-20 191 Plumas Marble Hot Springs Area SIerra Valley Marsh. 1487 Comment
  JEPS113924  Agrostis capillaris W. and N. Harnach 2000-8-2 971 Plumas Sierra VAlley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  JEPS110544  Agrostis exarata Lowell 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 o 1281 Comment
  RSA59905  Agrostis exarata E. K. Balls 1950-9-15 15832 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  UCD52432  Agrostis exarata F. W. Embree 1934-6-11 s.n. Plumas 1 mile NE of Bucks Ranch. 1600 Comment
  UCD52435  Agrostis exarata John Thomas Howell 1926-7-26 2126 Plumas near Prattville. 1371 Comment
  UCR123521  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6865 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CAS-BOT-BC139612  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1661 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  JEPS76245  Agrostis pallens W. L. Jepson 1939-8-16 19450 Plumas Bucks Valley 1584 Comment
  SEINET3143489  Agrostis palustris E. K. Balls 1950-9-15 15843 Plumas North Fork Feather River, 6 mi NW of Chester 1402 Comment
  CAS-BOT-BC138708  Agrostis scabra John Thomas Howell 1951-6-28 27729 Plumas Eureka Lake. 1889 Comment
  CAS-BOT-BC138714  Agrostis scabra John Thomas Howell 1960-7-18 35523 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC32855  Agrostis scabra L. Ahart 1980-10-6 2678 Plumas Ca. 1 mi s of La Porte. 1600 Comment
  POM290722  Agrostis scabra Lyman Benson 1932-7-29 4008 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA129685  Agrostis scabra H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  UCD53341  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Boiling Springs Lake. 1798 Comment
  UCD53351  Agrostis scabra Elizabeth Wilson 1939-7-12 s.n. Plumas Greenville. 1524 Comment
  CHSC64484  Agrostis thurberiana B. Castro 1994-9-8 551 Plumas Ca 1.1 air mi SE of Bucks Lake, ca 0.1 mi S of the Oro-Quincy Hwy on slope among Haskins Valley USFS Summer Home Tract cabins, where seeps and springs surface. 1627 Comment
  JEPS28274  Agrostis thurberiana George W. Gillett 1957-7-19 853 Plumas 1.25 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  CDA12141  Agrostis variabilis G. F. Hrusa, J. Dinsdale 1989-6-25 7189 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CAS-BOT-BC267056  Alisma John Thomas Howell 1961-9-23 36850 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC131953  Allium John Thomas Howell 1959-9-24 34901 Plumas Crescent Mills 1066 Comment
  SD6422  Allium atrorubens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC459460  Allium bisceptrum Alice Eastwood 1927-6-27 14910 Plumas On road from Chilcott [Chilcoot], US Forest Reserve Comment
  RSA63112  Allium campanulatum L. S. Rose 1951-6-27 51046 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  CAS-BOT-BC466605  Allium campanulatum H. C. Cantelow 1938-7-5 2284 Plumas Flatiron Ridge. Drakesbad 1828 Comment
  CAS-BOT-BC466609  Allium campanulatum Lowell Ahart 1977-7-9 s.n. Plumas 0.5 mile below the Bunker Hill Mine which is about 10 miles northeast of La Porte 1800 Comment
  CAS-BOT-BC466613  Allium campanulatum John Thomas Howell 1960-7-18 35604 Plumas Dry rocky slope near hot springs, Drakesbad 1828 Comment
  CDA32386  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-15 3724 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS61487  Allium campanulatum W. L. Jepson 1910-6-6 4077 Plumas Pine flats, Hot Springs Valley Hot Springs Valley 1828 Comment
  SEINET199811  Allium campanulatum Francia Chisaki 1956-6-1 898 Plumas On Highway Alt. #40, 5.7 miles east of Virgilia, Comment
  SEINET3884281  Allium campanulatum D. W. McNeal 1995-7-16 4127 Plumas Just above the parking area at the Gray Eagle trailhead to Long and Smith Lakes, Plumas Nat. For.; 0 Comment
  UC614423  Allium campanulatum L. Constance 1938-6-10 2321 Plumas near Lake Almanor (Feather River at Chester); Feather River, Chester 1219 Comment
  RSA641449  Allium lemmonii Michael A. Vincent 1999-6-7 8532 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UCD143207  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  CHSC107078  Allium obtusum var. obtusum L. P. Janeway 2011-7-6 10498 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. 1721 Comment
  CHSC110276  Allium obtusum var. obtusum L. P. Janeway 2012-6-2 10842 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CHSC21693  Allium obtusum var. obtusum F. T. Griggs; A. Pass 1975-7-16 196 Plumas Lower Buck's Lake. Comment
  CAS-BOT-BC474280  Allium obtusum var. obtusum Anna Head 1921-7-27 s.n. Plumas Near Blairsden, Feather River Region Comment
  CAS-BOT-BC474060  Allium parvum John Thomas Howell; R. C. Barneby 1954-5-14 29557 Plumas 2 miles east of Blairsden, Sierra Nevada 1493 Comment
  JEPS115545  Allium peninsulare var. peninsulare Lowell Ahart 2009-4-22 15596 Plumas On the west side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Milie House Road, about 10 miles northeast of Chico 381 Comment
  CAS-BOT-BC474091  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, Along FS 28N03 between FS 27N25 and FS 26N16 Comment
  CHSC62605  Allium validum B. Castro; L. P. Janeway 1987-7-17 144 Plumas ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  JEPS95554  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  CAS-BOT-BC171348  Alnus incana subsp. tenuifolia John Thomas Howell 1959-9-24 34936 Plumas Butterfly Creek near mouth. Sierra Nevada 914 Comment
  CAS-BOT-BC171352  Alnus incana subsp. tenuifolia John Thomas Howell 1951-8-20 28203 Plumas Indian Valley. Sierra Nevada 1066 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
  SEINET5536223 Image available Alnus incana subsp. tenuifolia Clarissa Kimber 1961-1 277 Plumas Quincy Quadrangle; Snake Lake Road, 2.5 mi from turn off Hwy 89 at Elizabethtown Comment
  UC1135172  Alnus incana subsp. tenuifolia R. Roseberry 1934-11-4 4 Plumas 1/2 mi w Bungalow; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC170693  Alnus rhombifolia Walter Knight; Irja Knight 1966-9-12 1746 Plumas Fern Glen. Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC170697  Alnus rhombifolia John Thomas Howell; Gordon H. True 1969-6-23 45817 Plumas on Middle Fork of Feather River at Nelson Point. Sierra Nevada 1249 Comment
  RSA263841  Alnus rhombifolia J. T. Howell, Gordon True 1969-6-23 45817 Plumas Middle Fork of Feather River at Nelson Point. 1250 Comment
  JEPS76235  Alopecurus aequalis W. L. Jepson 1939-8-12 19406 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  CHSC94862  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola. 1487 Comment
  CDA18680  Amelanchier alnifolia G. D. Barbe, T. C. Fuller 1982-6-15 3722 Plumas Sierra Nevada; 1/4 miles below and north-northeast of Red Hill Summit, Plumas National Forest. 1859 Comment
  JEPS102722 Image available Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the NW side of Round Valley Reservoir, just south of the road, about 2 1/2 miles SW of Greenville. 1366 Comment
  CDA14675  Amelanchier alnifolia var. semiintegrifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3118 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC100036  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-8-14 15203 Plumas Steep north side of a good logging road (Forest Road 22N68), north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  JEPS114609  Amelanchier utahensis Lowell Ahart 2008-9-10 15375 Plumas East 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
  JEPS123951  Amelanchier utahensis Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20418 Plumas On the west side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  UC726134  Amelanchier utahensis A. A. Heller 1938-5-30 15136 Plumas slopes near Gray's Flat (Feather Highway) 853 Comment
  CHSC113905  Anaphalis margaritacea Lowell Ahart 2014-8-24 19743 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC35947  Anemone drummondii M. S. Taylor 1982-5-18 4470 Plumas Jcts of Rd 27N39 and 26N18, ca. 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1645 Comment
  SEINET10536191  Anemone drummondii Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4470 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  CDA38205  Angelica breweri T. C. Fuller 1958-7-7 1915 Plumas 3 miles west of Virgilia. 0 Comment
  CAS-BOT-BC59311  Antennaria argentea Walter Knight; Irja Knight 1966-6-18 1334 Plumas Butterfly Valley 1036 Comment
  JEPS113541  Antennaria argentea Lowell Ahart, Josephine Guardino 2007-7-21 14376 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  UC1125548  Antennaria argentea E. Sawyer 1935-6-18 122 Plumas 3 3/4 mi nnw Beckwith; Sierraville Quad. 1706 Comment
  CHSC57406  Antennaria luzuloides subsp. aberrans L. P. Janeway; Garrett Gibson 1991-6-13 4006 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-BC79972  Antennaria microphylla Ella Dales Cantelow 1941-5-18 3512 Plumas 1 mil. w. of Mohawk on rd. to Johnsville 1463 Comment
  RSA123397  Antennaria rosea E. Sawyer 1935-6-27 213 Plumas Mouth of Dixie Valley 1555 Comment
  JEPS26684  Antirrhinum vexillocalyculatum subsp. intermedium P. C. Hutchison 1961-6-9 2117 Plumas 2 mi s (below) Rich Bar (canyon of the North Fork of the Feather River along U.S. Hwy 40 Alt, above road at bridge) Comment
  JEPS115205  Apocynum androsaemifolium Lowell Ahart, John Dittes 2009-7-15 16102 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1123475  Apocynum androsaemifolium E. Nourse 1934-8-14 13 Plumas 1 mi. n. & 1 1/2 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  JEPS86275  Apocynum androsaemifolium W. L. Jepson 1939-8-7 19347 Plumas near University Camp (Meadow Valley); Meadow Valley 1158 Comment
  SEINET3157178  Apocynum cannabinum L. S. Rose 1939-6-8 39262 Plumas Twain 853 Comment
  UC1125879  Aquilegia formosa G. T. Nordstrom 1934-7-2 163 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  JEPS60395  Aquilegia formosa W. I. Follett 1937-7-27 Plumas Rich Gulch Comment
  SEINET10480701  Arabis Mary Susan Taylor 1981-7-22 Taylor 4107 Plumas T24N R11E nw 1/4 nw 1/4 sec 5. Spring Garden quad. Slope of hill, ca. 1/4 mi S of 26N21, ca. 0.5 mi W of Pine Creek Valley, ca. 7 air mi N of Spring Garden. 2316 Comment
  SEINET10448412  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4474 Plumas 5000 ft. T27N R8E nw/ne sec 35. Almanor NE quad. E facing serpentine slope, s side of 27N92, ca. l.5 air mi se of Canyon Dam. 1524 Comment
  SEINET10448414  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4476 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  RSA0126002  Arabis divaricarpa E. K. Balls 1950-9-2 15626 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  UC174584  Arabis glabra A. A. Heller and P. B. Kennedy 1907-7-11 8810 Plumas Prattville Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  UC174583  Arabis rectissima var. rectissima A. A. Heller and P. B. Kennedy 1907-7-11 8809 Plumas Prattville Comment
  CDA24667  Arabis subpinnatifida G. D. Barbe 1982-6-9 3654 Plumas Southwest and below Thompson Peak, overlooking Honey Lake Valley. Plumas National Forest. Comment
  CDA18674  Arabis suffrutescens G. D. Barbe, T. C. Fuller 1982-6-15 3730 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  SEINET10454398  Aralia californica Mary Susan Taylor 1981-7-26 Taylor 4118 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CHSC92189  Arceuthobium abietinum Lowell Ahart; John Dittes 2005-9-19 12412 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. 1998 Comment
  CAS-BOT-BC407710  Arceuthobium abietinum Robert J. Weatherby 1955-8-6 1674 Plumas near Claremont Peak, Quincy Area 2011 Comment
  UC1076328  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas near lake Gold Lake 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
  UC1078838  Arceuthobium campylopodum Job Kuijt 1958-5-20 1346 Plumas 21.5 mi n Sierraville Comment
  SEINET2471364  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-22 2007 -61 Plumas S. end of Long Lake 2020 Comment
  SEINET7258407  Arctostaphylos manzanita J. F. Sloan 1959-4-26 s.n. Plumas SW of Quincey, vicinity of Brush Creek SW of Bucks Lake 30 mi. Comment
  CAS-BOT-BC38487  Arctostaphylos mewukka subsp. truei John Thomas Howell 1966-7-26 42005 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CAS-BOT-BC38616  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34777 Plumas N. Fork Feather River near Belden 701 Comment
  CAS-BOT-BC38624  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight 1967-5-7 2592 Plumas From Injun Jim Campground on North Fork Feather River 609 Comment
  CAS-BOT-BC40013  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4608 Plumas Secondary road from Quincy to La Porte, drainage of Middle Fork Feather River, south end of summit ridge. 1950 Comment
  CAS-BOT-BC40015  Arctostaphylos nevadensis Alice Eastwood 1927-6-15 14593 Plumas Forest Lodge near Greenville Comment
  CDA18662  Arctostaphylos nevadensis G. D. Barbe, T. C. Fuller 1982-6-15 3718 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC67360  Arctostaphylos nevadensis James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2570 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy 70. Comment
  RSA123224  Arctostaphylos nevadensis E. Nourse 1934-9-4 28 Plumas E. Clermont Mtn. 2134 Comment
  RSA52905  Arctostaphylos nevadensis R. Weatherby 1950-8-11 1526 Plumas Side of Mt. Elwell, Lakes Basin Area. 2195 Comment
  POM253218  Arctostaphylos patula A. A. Heller 1938-5-21 15099 Plumas Forest north of Chester. Comment
  RSA364254  Arctostaphylos viscida subsp. viscida Walter Knight, Irja Knight, B. K. Knight 1986-2-6 5220 Plumas Between bridge over north fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CHSC57273  Arenaria kingii var. glabrescens L. P. Janeway 1991-5-29 3974 Plumas Plumas National Forest. West end of Red Clover Valley; 1/2 mi south of Beckwourth-Genesee Road (road 111) on the Bagley Pass Road. 1691 Comment
  SEINET10537557  Arenaria kingii var. glabrescens Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3872 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-BC82214  Arnica chamissonis John Thomas Howell 1960-7-22 35872 Plumas Drakesbad 1828 Comment
  UC134177  Arnica chamissonis D. Cleveland 1882-7-22 Plumas Prattville Comment
  CAS-BOT-BC82226  Arnica chamissonis Clare B. Hardham 1978-8-11 21760 Plumas southeast of Thompson Peak Comment
  SEINET6774980 Image available Arnica chamissonis M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 69 -3 Plumas North end of Frenchman's Reservoir 1707 Comment
  SEINET10474097  Arnica chamissonis subsp. foliosa Mary Susan Taylor 1982-9-7 Taylor 5093 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CHSC53114  Arnica cordifolia var. cordifolia L. P. Janeway 1989-6-30 3451 Plumas Plumas National Forest. Near rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd111) 6.4 mi N of Beckwourth. 1874 Comment
  CAS-BOT-BC295858  Arnica dealbata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC21696  Arnica dealbata F. T. Griggs; A. Pass 1975-7-16 200 Plumas N. shore of Lower Buck's Lake. Comment
  CHSC34920  Arnica dealbata M. S. Taylor 1981-7-21 4093 Plumas Between 25N18A and Squirrel Creek, ca. 1/2 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 1981 Comment
  CAS-BOT-BC82499  Arnica discoidea John Thomas Howell 1976-7-15 51865 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  RSA755688  Arnica discoidea L. Ahart, John Dittes 2009-7-15 16093 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 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
  CAS-BOT-BC85062  Arnica parryi Anna Head 1920-8-3 s.n. Plumas Feather River Region - Meadows above Lake Center Camp not yet common. 1920 Comment
  CHSC59669  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Plumas National Forest. Flats on the south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1487 Comment
  CHSC118804  Artemisia arbuscula subsp. thermopola Noah Siegel; Wendy L. Boes and Chelsea Morgan 2016-6-2 2016 001 C Plumas Along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake, Plumas National Forest. (UTM 693311 E, 4448700 N, NAD 83, Zone 10N; Elevation 7185 ft.) 2190 Comment
  UC579487  Artemisia cana subsp. bolanderi C. W. Hanks 1934-9-29 98 Plumas ne of Sierra Valley; Plumas National Forest, Sierraville Quadrangle 1524 Comment
  JEPS102571  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS122091  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -B Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UC1119541  Artemisia douglasiana C. G. Albertus 1935-8-29 277 Plumas 2 mi e Grizzly Peak; Plumas National Forest, Sierraville Quadrangle Comment
  RSA122490  Artemisia tridentata subsp. tridentata C. W. Hanks 1934-9-25 89 Plumas Red Rock Valley 1372 Comment
  RSA59460  Artemisia tridentata subsp. tridentata E. K. Balls 1950-9-2 15650 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  CHSC13630  Asarum lemmonii M. S. Taylor 1974-7-3 304 Plumas Fern Glen, ca. 1 mi s of Darlingtonia Bog and Spring, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  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
  RSA121922  Asclepias cordifolia D. Axelrod 1934-6-9 s.n. Plumas 2 miles northwest of Lexington Hill 1768 Comment
  SD46629  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas Feather River, Middle Fork, No Ear Bar 915 Comment
  SEINET3158546  Asclepias fascicularis E. K. Balls 1950-9-14 15798 Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  CAS-BOT-BC478838  Asparagus officinalis Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  CHSC33889  Aspidotis densa M. S. Taylor 1981-5-8 3651 Plumas At jcts of rds 26N18, 26N92 and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. S07 NW1/4 of NE1/4. 1615 Comment
  CAS-BOT-BC97473  Aster M. S. Taylor 1981-7-29 4147 Plumas Genesee Valley quad. Along creek crossing 25N42-Flournoy Grade; 0.2 mi n of North branch of Ward Creek, 1828 Comment
  CAS-BOT-BC97475  Aster James T. Vale 1980-9-21 s.n. Plumas Road to Antelope Reservoir Comment
  CHSC76796  Aster alpigenus var. andersonii L. P. Janeway; B. Castro 1997-9-14 5359 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
  RSA31214  Aster breweri Joseph A. Ewan 1934-7-16 8515 Plumas South shore of Long Lake, Mt. Elwell Region 2073 Comment
  SEINET10475335  Aster breweri Mary Susan Taylor 1981-7-22 Taylor 4100 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
  CHSC110618  Aster campestris B. Castro; G. Kuenster 2006-8-4 1584 Plumas Northern High Sierra Nevada. SE side of lower Thompson Vally 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. E side of Thompson Creek, near low knolls with rounded granitic rock outcrops, ca 800 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  CHSC66693  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 B Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CHSC63141  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas East of Frenchman Hill, east of Oroville Quincy Highway, south-west of Bucks Lake. 1828 Comment
  JEPS95454  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas SW of Bucks Lake (E of Frenchman Hill, E of Oroville--Quincy Highway) 1828 Comment
  CAS-BOT-BC178759  Astragalus canadensis var. brevidens T. C. Fuller 1968-7-1 17319 Plumas Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton - Sierra Valley, Sierra Nevada 1524 Comment
  CAS-BOT-BC186855  Astragalus gibbsii A. A. Heller; P. B. Kennedy 1907-7-16 8868 Plumas Grade between Genessee [Genesee] Valley and Summit Comment
  JEPS91414  Astragalus lemmonii Dean Wm. Taylor with Glenn Clifton 1990-6-26 11179 Plumas Sierra Valley; near junction Road A24 and Dyson Lane, in SW corner of the junction 1432 Comment
  CHSC48055  Astragalus lentiformis L. P. Janeway 1989-6-9 3284 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CHSC55691  Astragalus purshii K. R. Stern 1985-6-25 8247 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC192865  Astragalus purshii var. lectulus M. Lavin 1982-6-11 4130 b Plumas Just W of Beckwourth Pass. 30 mi E of Portola 1676 Comment
  CHSC60537  Astragalus purshii var. tinctus L. P. Janeway 1992-5-14 4183 Plumas Plumas National Forest. North side of Dotta Neck in Dotta Canyon along road on northeast side of canyon. 1712 Comment
  CHSC33880  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy 89, ca. 1/4 mi s of turnoff to Taylorsville ca. 1 mi s of Crescent Mills. 1097 Comment
  RSA110126  Astragalus webberi R. C. Barneby, J. T. Howell 1954-5-14 11478 Plumas 1.5 miles S of Crescent Mills 1082 Comment
  RSA18764  Astragalus webberi Marcus E. Jones 1937-1 s.n. Plumas [photo] Comment
  CHSC72449  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  CHSC99798  Athyrium filix-femina Lowell Ahart 2008-8-13 15189 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  SEINET10866913  Athyrium filix-femina Mary Susan Taylor 1982-8-9 Taylor 4949 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CAS-BOT-BC69504  Athyrium filix-femina var. californicum David D. Keck 1932-7-3 1693 Plumas Quincy, just w. of town. 1066 Comment
  SD9772  Athyrium filix-femina var. cyclosorum Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  SD9787  Athyrium filix-femina var. cyclosorum Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  SEINET10941930  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 Ahart 16350 Plumas T26N, R7E, northeast 1/4 Section 1. Normal size frond, on damp to wet soil, seep, on the northside of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1477 Comment
  CDA43426  Avena barbata Willow Vieira 2015-6-4 PDR# 320 P6131685 Plumas Caribou. 0 Comment
  CAS-BOT-BC100039  Balsamorhiza deltoidea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2367 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  RSA113183  Balsamorhiza deltoidea E. K. Balls, L. W. Lenz 1955-5-14 20716 Plumas 5.4 miles NE from Greenville along Hwy 89 to Lake Almanor 1159 Comment
  CAS-BOT-BC100097  Balsamorhiza sagittata 1918-5-25 7064 Plumas Portola Comment
  CHSC55659  Balsamorhiza sagittata K. R. Stern 1985-6-25 8318 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC16560  Barbarea orthoceras John Thomas Howell 1960-7-18 35530 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC16574  Barbarea orthoceras Gladys L. Smith 1976-6-7 4601 Plumas Central area of summit ridge, secondary road between Route 70 and La Porte. 1950 Comment
  CHSC81354  Barbarea orthoceras L. P. Janeway 1996-5-13 4965 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CAS-BOT-BC145810  Beckmannia syzigachne David D. Keck 1932-7-3 1688 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  CAS-BOT-BC102167  Bidens James T. Vale 1980-9-22 s.n. Plumas West shore, Lake Almanor Comment
  CHSC34309  Bidens cernua var. cernua L. Ahart 1981-9-6 3084 Plumas On sandbar along Indian Creek, ca. 1/2 mi SW of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi SW of Crescent Mills. 1200 Comment
  CHSC62420  Blepharipappus scaber L. P. Janeway 1993-9-23 4601 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1498 Comment
  CAS-BOT-BC16134  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas South side of 27N92, ca. 1.5 air mile southeast of Canyon Dam. 1524 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
  CHSC36192  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur rd and 27N92, nw of Goldstripe Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC41411  Boechera davidsonii Lowell Ahart 1986-7-8 5355 Plumas On cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  CAS-BOT-BC14006  Boechera lemmonii Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Lassen Volcanic National Park. Drakesbad. Comment
  UC1586429  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4684 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  CAS-BOT-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
  CAS-BOT-BC14725  Boechera repanda Lowell Ahart 1979-7-15 s.n. Plumas 0.25 mile east of Bunker Hill Creek. 1800 Comment
  CHSC72444  Boechera retrofracta L. P. Janeway 1998-6-22 5650 Plumas About 1.5 mi northwest of Moonlight Peak; above Road 28N08 1.1 mi northeast of Road 29N46. 1981 Comment
  JEPS102850  Boechera retrofracta Lowell Ahart 2001-7-17 8932 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC25409  Boechera retrofracta John Thomas Howell; Gordon H. True 1967-7-9 43249 Plumas Sierra Nevada. North Fork of the Feather River at Caribou. 914 Comment
  CAS-BOT-BC25579  Boechera retrofracta Anna Head 1921-7-11 s.n. Plumas Feather River Canyon. Lake Center Camp. 1920 Comment
  CHSC4214  Boechera sparsiflora R. Carter 1966-4-28 381 Plumas Found in Feather R. Canyon at Pauls Cr. (ca. 1.5 mi. NE of Rock Cr. Dam) 10 yds. off N side of Hwy. 70 on W side of creek. 731 Comment
  SEINET3166404  Boechera sparsiflora P. J. Alexander 2009-5-25 1042 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.1 miles ENE of the center of the dam, 7.2 miles NNW of Chilcoot, Plumas National Forest. 1725 Comment
  CHSC88895  Boechera suffrutescens L. Hanson 1988-7-26 327 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  RSA59759  Boisduvalia stricta E. K. Balls 1950-9-14 15807 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET10665933 Image available Botrychium multifidum subsp. californicum R. M. Austin 1897-1 Austin s.n. Plumas In Sierra Nevada Mts. - Quincy. Comment
  JEPS99050  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 Plumas 1 mi SE of Tamarack Flat (4.5 air mi NW of La Porte); Lumpkin Ridge Road 1701 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
  HSC72999  Brickellia californica M. S. Taylor 1981-9-14 4278 Plumas W side of Hwy. 89, ca. 1 air mile N of Hwy. 70, ca. 10 air miles W of Quincy 915 Comment
  CHSC30754  Brickellia greenei M. S. Taylor; W. Dakon, T. Griggs. 1980-9-27 3349 Plumas Ca. 1/4 mi S of Bucks Lake-Spanish Ranch Rd, ca 1/4 mi E of Frenchman Hill, ca 20 mi SW of Quincy. 1645 Comment
  SD46479  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Locally common in clay in dry meadow. Quincy Ranger Station, USFS, Quincy. 1067 Comment
  UC1075728  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS 1066 Comment
  RSA699968  Bromus L. Ahart 2004-7-27 11320 Plumas On the west side of the dirt road ( Forest Road 10), near the Pacific Crest Trail, on the Bunker Hill Ridge, about 1 1 /8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2100 Comment
  CHSC80901  Bromus carinatus var. carinatus Lowell Ahart; Vernon H. Oswald 2001-7-23 8999 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC148703  Bromus carinatus var. marginatus John Thomas Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148707  Bromus carinatus var. marginatus John Thomas Howell 1960-7-17 35498 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148715  Bromus carinatus var. marginatus John Thomas Howell 1955-7-19 30756 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC148719  Bromus carinatus var. marginatus John Thomas Howell 1967-6-23 42674 Plumas Sierra Nevada. Canon of Butterfly Creek. 1036 Comment
  SEINET935017  Bromus carinatus var. marginatus Lewis S. Rose 1951-1 51021 Plumas Johnsville 1600 Comment
  UCD59197  Bromus carinatus var. marginatus L. S. Smith 1916-7-21 716 Plumas Sierras. Sardin Lookout Station. 2286 Comment
  SEINET10905498  Bromus commutatus L. Rose 1968-6-10 Rose 68087 Plumas Quincy meadow. 1036 Comment
  CAS-BOT-BC162150  Bromus orcuttianus John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2352 Plumas Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. 883 Comment
  CHSC101947  Bromus orcuttianus Lowell Ahart; John Dittes 2009-7-13 16037 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC102065  Bromus orcuttianus Lowell Ahart; John Dittes 2009-7-15 16092 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  SEINET4404263  Bromus racemosus W. Harnach, N. Harnach 1991-6-21 563 Plumas Sierra Valley, next to railroad bridge east of Co. Rd. A-23, just S of Beckwourth 573 Comment
  CAS-BOT-BC161355  Bromus tectorum Walter Knight; Irja Knight 1966-6-18 1378 Plumas Butterfly Valley. 1036 Comment
  CAS-BOT-BC161359  Bromus tectorum Alice Eastwood 1918-5-25 7059 Plumas Portola. Comment
  CAS-BOT-BC185650  Bromus tectorum C. R. Quick 1957-6-15 57 -07 Plumas About 0.5 mile south of Lake Almanor. Comment
  CHSC91530  Bromus tectorum G. D. Barbe; T. C. Fuller 1982-6-17 3808 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
  CHSC112575  Calandrinia ciliata B. Castro; L. P. Janeway 2007-6-7 1629 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. Just W of channel of Thompson Creek, downstream of small rock dam, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC81359  Callitriche stagnalis Lowell Ahart 2001-9-18 9283 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC85755  Calocedrus decurrens Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1596 Plumas Butterfly Botanical Area and Vicinity - Fern Glen 1097 Comment
  CHSC94969  Calocedrus decurrens Lowell Ahart 2006-9-28 13387 Plumas On the west side of the North Fork of the Feather River, on the west side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek. 646 Comment
  CHSC91745  Calochortus coeruleus G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3322 Plumas Sierra Nevada. 2.8 miles north-northeast of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  POM147067  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, near Greenville. Comment
  CHSC60162  Calochortus leichtlinii L. P. Janeway 1992-7-10 4259 Plumas Plumas National Forest. About 0.5 mi northeast of the top of Grizzly Ridge in upper drainage of Joseph Creek. 2090 Comment
  CHSC67719  Calochortus leichtlinii James D. Jokerst 1979-7-25 Plumas Ca. 20 m S of Meadow Creek, ca. 400 m E of forest service road to Deans Meadow. Comment
  CAS-BOT-BC491840  Calochortus leichtlinii Janet Jones 1980-7-16 215 Plumas Frazier Falls area 1828 Comment
  JEPS61698  Calochortus minimus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CHSC67728  Calochortus nudus James D. Jokerst 1979-6-25 275 Plumas First meadow S of Meadow Valley Creek (S of road between Quincy and Bucks Lake). Comment
  CHSC98577  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountain, near Road 23N69 1.1 km northwest of Road 18. Rocky serpentine/gabbroic soil. 1884 Comment
  CHSC61595  Calochortus venustus Aurthur C. Barrett 1918-7-8 9 Plumas Indian Creek, near Lone Rock Cr. 1645 Comment
  CAS-BOT-BC175766  Caltha leptosepala Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 3.7 miles east of Bucks Lake Comment
  CAS-BOT-BC271531  Calycadenia truncata subsp. truncata John Thomas Howell 1951-8-20 28221 Plumas Indian Valley, Sierra Nevada 1097 Comment
  RSA293418  Calycadenia truncata subsp. truncata Reino Alava 1957-7-7 1210 Plumas Along the road, 16.5 miles southwest of Tobin, on Hwy; Featherwater River Canyon 12 Comment
  RSA79043  Calycanthus occidentalis E. K. Balls, P. C. Everett 1952-10-14 18212 Plumas 18.6 mi. SW of Belden on Hwy 24, Feather River Hwy. Comment
  CHSC21549  Calyptridium monospermum D. E. Brink Jr.; L. M. Mayer 1975-7-2 Plumas Bucks Lake Floristic Survey. Especially abundant in open dry areas. Comment
  CHSC60916  Calyptridium monospermum Vernon H. Oswald 1993-6-17 5550 Plumas Lassen Volcanic National Park. N side of Hot Springs Creek between the Warner Valley Ranger Station and the S boundary of the park. Scattered plants on an open slope. 1621 Comment
  CHSC82479  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  SD46711  Calyptridium umbellatum Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2135 Comment
  SEINET7125846  Calystegia fulcrata subsp. tomentella A. A. Heller, P. B. Kennedy 1907-7-15 8842 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SD7709  Calystegia occidentalis subsp. occidentalis Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  RSA710259  Calystegia occidentalis var. tomentella R. K. Brummitt 1998-5-17 19887 Plumas Rte. 89 near Indian Falls, 4 km from Rte. 70 junction, opposite Dawn Community Centre. 1000 Comment
  SEINET10905132  Camassia leichtlinii subsp. suksdorfii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3849 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  CHSC2246  Camassia quamash subsp. breviflora R. Morford 1931-5-16 Plumas Humbug Valley 1319 Comment
  RSA369199  Camassia quamash subsp. breviflora George Willet 1935-6-4 s.n. Plumas Vinton Comment
  UC1523730  Camassia quamash subsp. breviflora Gary Schoolcraft 1983-5-24 950 Plumas w side of Sierra Valley Sierra Valley 1524 Comment
  RSA39724  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-17 11842 Plumas 16 miles N of Chilcoot 1524 Comment
  CHSC33937  Camassia quamash subsp. quamash M. S. Taylor; M. Foster 1981-6-3 3849 Plumas W side of 24N10 in wet meadow, ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  RSA641466  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  UCD114106  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger District. Along Route A23, just south of Route 70, southwest of Beckwourth; along jeep trail just south of creek (at first gate). Comment
  UCD103267  Camissonia contorta A. A. Beetle 1941-6-28 2892 Plumas West side of Lake Almanor. 1828 Comment
  JEPS11744  Campanula prenanthoides Tom Harris, E. Fritz July 1926 Plumas Meadow Valley 1158 Comment
  SEINET10462864  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas GREENVILLE Comment
  SEINET10463210  Campanula prenanthoides Rose 1966-7-26 Rose 66059 Plumas Butterfly Valley, 3 mi W of Keddie, dry open woods 3500'. Comment
  CHSC84979  Campanula scouleri Lowell Ahart 2003-10-15 10638 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1509 Comment
  CHSC77204  Cardamine breweri G. Schoolcraft 1997-8-5 2632 Plumas Rock Creek. 1746 Comment
  POM95613  Cardamine breweri Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CAS-BOT-BC37820  Cardamine nuttallii Alice Eastwood 1927-6-13 14572 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  RSA0049676  Cardamine nuttallii Dean Wm. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca. 7.5 air miles ESE of Quincy 1430 Comment
  CHSC36217  Cardamine nuttallii var. covilleana M. S. Taylor 1982-6-1 4580 Plumas Between spur rd and 27N92, nw of Goldstrip Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC48319  Cardamine pensylvanica Vernon Oswald 1985-5-26 1779 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Along the creek. Comment
  CHSC108109  Carex abrupta Lowell Ahart 2011-9-20 17686 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  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
  CHSC36857  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. 1645 Comment
  CHSC52742  Carex amplifolia Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS115937  Carex amplifolia Lowell Ahart, John Dittes 2009-7-13 16029 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-BC17926  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CHSC106356  Carex angustata Lowell Ahart 2010-7-27 16931 Plumas North side of Forest Road 22N68, about 150 yards north of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir. 1634 Comment
  CAS-BOT-BC19726  Carex athrostachya John Thomas Howell 1959-9-22 34862 Plumas Drakesbad. 1737 Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 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
  SEINET7550691 Image available Carex athrostachya Unknown 2003-9-6 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Red Cinder 7.5' quad. 2057 Comment
  UC822940  Carex athrostachya Lewis S. Rose 1932-9-5 32617 Plumas Jamison Lake Comment
  JEPS95376  Carex aurea Lowell Ahart 1994-6-17 7347 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  RSA201275  Carex aurea J. T. Howell 1960-7-18 35508 Plumas Drakesbad 1677 Comment
  CHSC56885  Carex bolanderi L. P. Janeway; Garrett Gibson 1991-8-2 4101 Plumas Plumas National Forest. Meadow stringer along Humbug Creek; southeast flank of Smith Peak. 1828 Comment
  CHSC80879  Carex bolanderi Lowell Ahart 2001-7-19 8947 Plumas On the sides of Hopkins Creek, about 100 yards northwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC19636  Carex brainerdii John Thomas Howell 1960-7-22 35912 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  RSA754531  Carex brainerdii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15861 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SBBG52287  Carex brainerdii C. Davidson 1975-6-7 2732 Plumas Humboldt Rd, branching W of St Hwy 89, W of Lake Almanor; ca. 3 mi W of this road 1524 Comment
  CAS-BOT-BC34200  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CAS-BOT-BC34904  Carex deflexa var. boottii John Thomas Howell 1951-6-27 27591 B Plumas McRae Meadow. 1981 Comment
  CHSC46619  Carex diandra V. Oswald; L. Ahart, L. Hanson 1989-7-31 3904 Plumas Lake at headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CAS-BOT-BC20090  Carex echinata Lewis S. Rose 1963-6-3 63101 Plumas Butterfly Valley. 2 miles SW of Keddie. 1097 Comment
  CAS-BOT-BC20080  Carex echinata John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester. 1889 Comment
  CHSC110456  Carex echinata subsp. echinata L. P. Janeway 2013-6-2 11124 Plumas Northern High Sierra Nevadda. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CHSC42139  Carex echinata subsp. echinata Lowell Ahart 1979-8-16 2015 Plumas In a small bog, about 100 yards east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1554 Comment
  RSA189384B  Carex echinata subsp. echinata L. S. Rose 1967-6-12 67112 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  RSA121759  Carex exserta E. Sawyer 1935-5-22 21 Plumas 3/4 mile southwest of Beckwith City. 1494 Comment
  UCD140308  Carex feta L. P. Janeway 1997-5-29 5135 Plumas East Branch North Fork Feather River about 0.5 mile west of Soda Creek and 0.1 mile north of Hwy 70 along Road 25N21. Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  CHSC55435  Carex fracta L. P. Janeway 1990-7-13 3797 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  SJSU8614  Carex hassei C. W. Sharsmith 1975-6-18 8229 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC21972  Carex heteroneura John Thomas Howell 1960-7-22 35927 Plumas Near Drakesbad. Dry meadow near Devil's Kitchen. 1828 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
  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
  CHSC55557  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/2 mi south of Little Grizzly Cr. At an old logging landing and dirt road opening. 1859 Comment
  UC942960  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CAS-BOT-BC35506  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  SEINET10467094  Carex kelloggii Lowell Ahart 1985-7-3 Ahart 5101 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CHSC102600  Carex laeviculmis L. P. Janeway; B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC58525  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5033 Plumas Grass Lake located just W of Lakes Basin Hwy. (County Rd. 519). 1926 Comment
  UC1609200  Carex lasiocarpa Vernon H. Oswald and Lowell Ahart 1993-8-3 5758 Plumas ca. 9 mi (air) n Lake Almanor (in the se corner of the meadow at the n end of 30N25 on the s edge of the Caribou Wilderness,); Caribou Wilderness, Hay Meadow 1950 Comment
  CAS-BOT-BC31148  Carex lemmonii Lewis S. Rose 1967-6-12 6711 Plumas Butterfly Valley. 1097 Comment
  CHSC102605  Carex lemmonii L. P. Janeway; B. Castro 2009-7-4 9843 Plumas Northern High Sierra Nevada. upper end of Rock Island Ridge, in small open meadow in larger mountain alder thicket drainage sloping east, head of a western tributary of Toland Creek. 1576 Comment
  CHSC43521  Carex lemmonii Lowell Ahart 1979-8-16 2016 Plumas Small bog, about 100 yards east of Ohio Ravine and the dirt road, about 2 1/2 miles south of Grizzly Mountain. 1584 Comment
  CHSC63294  Carex lemmonii Lowell Ahart 1994-6-15 7342 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC116368  Carex lemmonii Sara M. Taylor; Scott Batiuk 2012-7-31 50 Plumas Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM Zone 10, 4428806 N, 660224 E. 1610 Comment
  CAS-BOT-BC28510  Carex lenticularis var. lipocarpa John Thomas Howell 1951-6-28 27733 Plumas Eureka Lake 1889 Comment
  CHSC53527  Carex luzulina L. P. Janeway 1990-8-3 3825 Plumas Plumas National Forest. Meadow at head of small drainage (into Little Grizzly Cr) ca 1 mi SW of Little Grizzly Cr and between Joseph Cr and Oliver Cr. 1981 Comment
  CAS-BOT-BC31203  Carex luzulina var. ablata F. J. Hermann 1955-7-27 11954 Plumas Bluff Falls Camp, Lassen Volcanic National Park. 2286 Comment
  CAS-BOT-BC31943  Carex microptera Lewis Samuel Rose 1951-6-27 51044 Plumas Jamison Creek, SW of Johnsville. 1889 Comment
  SEINET4292168 Image available Carex microptera Unknown 2000-1 6837 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CAS-BOT-BC32065  Carex multicaulis Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1587 Plumas Fern Glen. 1097 Comment
  CHSC109841  Carex multicostata L. P. Janeway 2012-8-8 11049 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1745 Comment
  CHSC51933  Carex nebrascensis K. R. Stern 1985-6-25 8311 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS63506  Carex nebrascensis W. L. Jepson 1939-8-14 19412 Plumas Willow Creek 1828 Comment
  CAS-BOT-BC119862  Carex nebrascensis L. P. Janeway 1991-8-4 4127 Plumas Grizzly Valley quad. Meadow along Rd 111 (Beckwourth-Genesee Rd), 1691 Comment
  CDA17785  Carex nervina G. D. Barbe, T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CAS-BOT-BC119520  Carex nudata Alice Eastwood 1918-5-25 6977 Plumas Portola. Comment
  SEINET7569420 Image available Carex nudata L. P. Janeway 2003-5-17 7789 Plumas Storrie quad, Northern High Sierra Nevada. Along northwest edge of North Fork Feather River just below the mouth of Chambers Creek. 613 Comment
  CAS-BOT-BC119292  Carex occidentalis L. P. Janeway 1990-7-25 3815 Plumas Mt. Ingalls quad. Ca 0.2 mi NW of Emigrant creek and ca 0.3 mi SE of Little Grizzly Creek. 1828 Comment
  CHSC109564  Carex pachycarpa L. P. Janeway 2012-8-8 11051 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1745 Comment
  SEINET4292062 Image available Carex pachycarpa Unknown 2003-1 7910 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. Reading Peak 7.5' quad. Comment
  CDA17775  Carex pachystachya G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3153 Plumas Long Valley; Long Valley, 0.4 mi S of jct, Dixie Canyon--Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC62796  Carex pachystachya Hal Durio 1993-8-6 Plumas About 0.5 mi south of Bucks Creek and ca 1.2 mi east of the eastern end of Bucks Lake. Along Rd 24N29Y. 1706 Comment
  CHSC89750  Carex pachystachya L. P. Janeway; Robert F. C. Naczi 2004-7-24 8187 Plumas High Cascade Range. Large willow meadow along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. South edge of the meadow. 1740 Comment
  JEPS63503  Carex pellita W. L. Jepson 1939-8-16 19434 Plumas Portola Comment
  UCD108019  Carex pellita Tim Kuhn 2006-7-12 65 Plumas west of Willow Creek Road, north of Lake Davis. Comment
  UC1133422  Carex praegracilis E. Sawyer 1935-6-7 82 Plumas 3 3/4 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC118339  Carex praegracilis D. H. Esplin; R. K. Gierisch 1968-1-1 4 Plumas Thompson Creek drainage. 1828 Comment
  CDA17782  Carex rossii G. D. Barbe, T. C. Fuller 1982-6-16 3796 Plumas Plumas National Forest; Below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  SEINET7573849 Image available Carex rossii L. P. Janeway 2001-6-15 7180 Plumas Almanor 7.5' quad, 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
  CHSC117757  Carex scoparia var. scoparia Jim Belsher- Howe 2016-9-5 Plumas Smith Lake- 'Quigley Marsh. 4050 Comment
  RSA59668  Carex senta E. K. Balls 1950-9-9 15736 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CAS-BOT-BC117523  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines, 1341 Comment
  UCD140823  Carex simulata Dean W. Taylor 1976-7-9 6183 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  CHSC116366  Carex simulata Sara M. Taylor; Scott Batiuk 2012-9-14 78 Plumas Plumas National Forest. Rocky Knoll West. Follow Rd 24N33 to the Mill Creek Trailhead, near where Right Hand Salt Creek meets Mill Creek. Follow Mill Creek Trail north for ~350 m then bushwhack ~800 m to fen/meadow. UTM Zone 10, 4422884 N, 655393 E. 1831 Comment
  CHSC52354  Carex specifica L. P. Janeway 1990-7-18 3805 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC117369  Carex stipata var. stipata John Thomas Howell 1962-6-17 37654 Plumas Butterfly Valley. 1036 Comment
  CAS-BOT-BC114991  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54344 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road. 1341 Comment
  JEPS117654  Carex subfusca Lowell Ahart 2010-7-27 16924 Plumas On the south side of the paved road, about 1/2 mile south of Goat Mountain, about 2 miles (air) northeast of La Porte 1656 Comment
  SEINET10750067  Carex subfusca Lawrence P. Janeway, James Battagin; Rob Russell Janeway 4490 Plumas Mt. Ingalls quad. T24N, R12E, NE1/4 of SW1/4 of sec. 7. Along Dolly Creek at upper portion of the Walker Mine tailings. Very open, in white fir dominated mixed conifer forest with lodgepole pine. With Scirpus microcarpus, etc. Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  CHSC66647  Carex utriculata Vernon H. Oswald; Lowell Ahart 1996-7-15 8055 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CAS-BOT-BC115413  Carex utriculata Alice S. Mulford 1944-8-14 s.n. Plumas Lower end of Smith Lake on shore. 1874 Comment
  UCD140981  Carex whitneyi John Thomas Howell 20-23 Jun 1977 52407 Plumas On the peninsula of Lake Almanor. 1371 Comment
  UCR270910  Castilleja John F. Emmel 1998-6-6 1559 Plumas Northern Sierra Nevada Mtns., County Road A23, north of Marble Lane [=Marble Hot Springs Rd.], west side of Sierra Valley 1491 Comment
  CAS-BOT-BC248952  Castilleja Francis W. Pennell 1940-6-10 25800 Plumas Route 89, West of Almanor 1493 Comment
  CAS-BOT-BC249011  Castilleja Mayer; Brink 1975-7-24 s.n. Plumas Bucks Lake area Comment
  CAS-BOT-BC249369  Castilleja applegatei Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 2000 Comment
  CDA14664  Castilleja applegatei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3104 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC249710  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve 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
  CHSC11346  Castilleja applegatei subsp. pinetorum Lowell Ahart 1968-6-29 Plumas Four miles N.E. of La Porte. 914 Comment
  CHSC116107  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-7-4 20291 Plumas On the north side of the paved road, about 1 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 2 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1720 Comment
  CHSC37291  Castilleja applegatei subsp. pinetorum M. S. Taylor; H. Swanson 1982-8-11 4966 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi se of Jonsville. 2133 Comment
  JEPS81451  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4826 Plumas ca 1 mi s Onion Flat (Soda Creek Rd, ca 3 mi n of Twain); Almanor SW Quad. 1463 Comment
  SEINET10582742  Castilleja applegatei var. fragilis John Thomas Howell, Gordon H. True; Margaret J. Williams 1973-7-31 Howell 50126 Plumas On road from Janesville to Thompson Peak, Diamond Range. 1981 Comment
  CHSC52832  Castilleja arachnoidea Rimo Bacigalupi; Aldo Bacigalupi 1952-8-19 3951 Plumas On slopes to the east of Long Lake. 2042 Comment
  CHSC82129  Castilleja arachnoidea L. P. Janeway; B. Castro 2001-6-22 7370 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  JEPS81467  Castilleja arachnoidea M. S. Taylor 1982-8-18 5013 Plumas ca 9 air mi ne Sloat (Mt. Ingalls summit); Mt. Ingalls, Mt. Ingalls QUAD. 2551 Comment
  JEPS95559  Castilleja arachnoidea Lowell Ahart 1994-7-7 7471 Plumas N side of Pacific Crest Trail, 1 mi W of Pilot Peak, about 1/4 mi E of Quincy--La Porte Road 1950 Comment
  CHSC20833  Castilleja lacera K. R. Stern 1975-7-23 5817 Plumas NW shore of Lake Almanor. 1371 Comment
  SBBG30608  Castilleja lacera D. Myrick 1968-6-19 1948 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  SEINET14062780  Castilleja miniata A. A. Heller, P. B. Kennedy 1907-7-9 8788 Plumas Prattville. Comment
  UC170982  Castilleja miniata H. M. Hall 1912-7-25 9374 Plumas Middle Fork Feather River; Sierra Nevada Mountains 1280 Comment
  UC174718  Castilleja miniata A. A. Heller and P. B. Kennedy 1907-7-9 8788 Plumas Prattville Comment
  CHSC76069  Castilleja miniata subsp. miniata G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3356 Plumas Meadow 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  CAS-BOT-BC241040  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse, Lakes Basin Area 1981 Comment
  CDA34646  Castilleja tenuis L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16135 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. Comment
  CHSC24240  Castilleja tenuis L. Mayer 1976-8-2 Plumas Sw shore of Lake Almanor. Comment
  JEPS95707  Castilleja tenuis Lowell Ahart 1995-9-13 7621 Plumas on the north side of Onion Valley; east of Quincy La Porte Road; about 1 mile north-west of Pilot Peak 1828 Comment
  JEPS77537  Castilleja tenuis Margaret Ely 1978-6-23 Plumas Butterfly Valley; sw of pond (reservoir) Comment
  SEINET5343757  Caulanthus major var. nevadensis W. Harnach, N. Harnach 2005-7-7 1218 Plumas Black Mountain, 11 air miles north of Dixie Mtn lookout, overlooking Honey Lake 2134 Comment
  UC1281386  Ceanothus X flexilis H. E. McMinn 1941-8-27 5393 Plumas n Blairsden; n of Blairsden Comment
  CAS-BOT-BC48612  Ceanothus cordulatus John Thomas Howell; Gordon H. True 1967-7-11 43315 Plumas Coniferous forest about 3 miles southeast of Mt. Hough 1706 Comment
  SEINET12210940  Ceanothus cordulatus W. Knight, Knight, I. 1983-1 4943 Plumas Confluence of North Fork of Feather River & Warner Creek between Chester & Drakesbad 1463 Comment
  UC170921  Ceanothus fresnensis H. M. Hall 1912-6-28 9280 Plumas Spanish Creek Sierra Nevada Mts. 1158 Comment
  CAS-BOT-BC50774  Ceanothus integerrimus Lewis S. Rose 1968-6-11 68097 Plumas Confluence of Butterfly Creek & Spanish Creek near Keddie 975 Comment
  CHSC82356  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the west side of the dirt road and east of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  UC452655  Ceanothus integerrimus H. M. Hall 1912-6-30 9303 Plumas Spanish Ranch Sierra Nevada Mts. 1158 Comment
  UC567213  Ceanothus integerrimus C. G. Albertus 1935-7-22 223 Plumas 3.75 mi sw Lovejoy; Downieville quad., Plumas Nat. For. 1767 Comment
  UC963886  Ceanothus integerrimus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on Yellow Creek Feather River Canyon (Beldon) Comment
  UCD111983  Ceanothus integerrimus James I. Mallory 1969-8-21 357 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  RSA0089038  Ceanothus integerrimus var. californicus Bonnie C. Templeton 1968-6-9 11255 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  RSA74355  Ceanothus integerrimus var. puberulus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on yellow Creek, Belden, Feather River Canyon Comment
  CAS-BOT-BC63367  Ceanothus prostratus Alice Eastwood 1927-6-15 14594 Plumas On trail to Long Valley. United States Forest Reserve. Comment
  CAS-BOT-BC63368  Ceanothus prostratus Alice Eastwood 1918-5-25 7067 Plumas Portola. Comment
  RSA59352  Ceanothus prostratus E. K. Balls 1950-9-2 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  SD7228  Ceanothus prostratus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  UC1071281  Ceanothus prostratus R. Roseberry 1934-11-14 15 Plumas 1 1/2 mi s Otis Ranch; Plumas National Forest, Downieville Quad. Comment
  UC1778615  Ceanothus prostratus G. Douglas Barbe, T. C. Fuller 1982-7-16 3775 Plumas Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  SEINET5743570 Image available Ceanothus prostratus Dean Ahrenholz 1964-1 13 Plumas Near State Hwy 89, ca. 2 miles W of Greenville.; Greenville Comment
  CAS-BOT-BC384930  Cerastium arvense Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas S.W. of Belden Comment
  CAS-BOT-BC388186  Cerastium fontanum Anna Head 1921-8-10 s.n. Plumas Lake Center Camp, Feather River Region Comment
  SD144528  Ceratophyllum demersum Robert J. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain, at China Bar Resort 669 Comment
  CHSC97246  Cercocarpus ledifolius var. intermontanus Lowell Ahart; John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2509 Comment
  UC1127904  Cercocarpus ledifolius var. ledifolius R. Roseberry 1934-11-21 18 Plumas 1/2 mi nw of Beckwith Butte 1828 Comment
  CAS-BOT-BC276725  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad 1615 Comment
  CAS-BOT-BC276729  Chaenactis douglasii var. douglasii L. P. Janeway 1991-8-4 4133 Plumas Along Beckwourth-to-Laufman Road (near district boundary) on the W side of Dixie Creek 1676 Comment
  CHSC54398  Chamaesyce maculata Vernon H. Oswald 1991-6-12 4661 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  JEPS51922  Chamaesyce serpyllifolia W. L. Jepson 1939-8-7 18346 Plumas Meadow Valley Comment
  CHSC30854  Cheilanthes gracillima L. Ahart 1980-9-17 2650 Plumas Ca. 0.5 mi w of Fowler Peak. Ca. 8 mi n of La Porte. 1800 Comment
  JEPS4050  Cheilanthes gracillima Roland A. Dede 1950-6-24 2220 Plumas Feather River Canyon Comment
  SEINET10529940  Cheilanthes siliquosa Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4473 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  SEINET4171891  Chenopodium atrovirens W. Harnach, N. Harnach 2000-8-23 989 Plumas 1 mile east of the intersection of Dyson Lane and County Road A-24, on Dyson Lane 1494 Comment
  SEINET4153004  Chenopodium chenopodioides M. J. Williams, J. Howell, W. Follette 1977-8-11 77- 69 -4 Plumas North end of Frenchman's Reservoir 1707 Comment
  CAS-BOT-BC426356  Chenopodium desiccatum John Thomas Howell 1962-6-19 37881 Plumas Beckwourth Pass 1584 Comment
  JEPS90822  Chenopodium murale Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13221 Plumas 3.3 mi w of Crescent Mills (East Branch Feather River, Feather River Watershed); East Branch Feather River 1021 Comment
  JEPS108997  Chenopodium pumilio Lowell Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  CAS-BOT-BC451421  Chimaphila menziesii Mrs. A. L. Coombs 1955-6-1 s.n. Plumas Prattville Comment
  SEINET10449190  Chimaphila menziesii Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4015 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  UCD117369  Chimaphila menziesii E. W. Jameson 1950-4-12 s.n. Plumas 4 miles east of Quincy. 1219 Comment
  CAS-BOT-BC452236  Chimaphila umbellata Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1603 Plumas Butterfly Botanical Area and Vicinity: Fern Glen 1097 Comment
  CAS-BOT-BC452245  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy 1219 Comment
  CDA17267  Chimaphila umbellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16294 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  CHSC21115  Chimaphila umbellata F. T. Griggs; A. Pass 1975-7-1 24 Plumas Bucks Lake. East of Grizzly Creek. Comment
  CHSC88606  Chimaphila umbellata Linnea Hanson 1987-7-8 118 Plumas Plumas National Forest. Graeagle Creek. 1341 Comment
  CHSC91805  Chimaphila umbellata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16294 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: forest outside bog area. 1158 Comment
  CAS-BOT-BC36260  Chrysolepis sempervirens Mrs. H. C. Cantelow 1938-7-3 s.n. Plumas 1.5 miles south of Prattville, near Lake Almanor 1432 Comment
  SEINET7450653 Image available Chrysopsis villosa var. minor W. Harnach, N. Harnach 2000-8-23 906 Plumas Sierra Valley. 3 miles west of Hwy 49 on Dyson Lane (Robertti Ranch) 1490 Comment
  RSA126612  Chrysothamnus nauseosus subsp. albicaulis E. Nourse 1934-8-9 7 Plumas 0.75 mile west of Clermont Hill 1951 Comment
  RSA718506  Chrysothamnus nauseosus subsp. albicaulis L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy. 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch 792 Comment
  SD8960  Chrysothamnus viscidiflorus R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows. 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
  CAS-BOT-BC100829  Chrysothamnus viscidiflorus subsp. viscidiflorus E. K. Balls 1950-9-2 15666 Plumas Yellow Pine Forest, Grizzly Creek, near Grasshopper Flat, rd. from Ramelli to Walker Mine 1828 Comment
  JEPS21428  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1939-8-10 19370 Plumas hills at Blairsden Comment
  SEINET7450910 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus J. T. Howell 1959-9-24 34968 Plumas Sierra Valley near Beckworth. 1478 Comment
  CHSC66607  Cicuta douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8044 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Shance Campground at the srreams and marshy meadow extending E from road. High Cascade Range. 1371 Comment
  RSA599865  Cicuta douglasii L. C. Wheeler 1959-7-15 7571 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  JEPS95459  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC113614  Circaea alpina subsp. pacifica Lowell Ahart 2014-8-31 19804 Plumas In an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC21563  Circaea alpina subsp. pacifica L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Found beside a stream in the middle portion of the section. Comment
  SEINET10841114  Circaea alpina subsp. pacifica Mary Susan Taylor 1981-7-13 Taylor 3999 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  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-BC289621  Cirsium andersonii John Thomas Howell 1926-7-24 2104 Plumas Near Pratville 1463 Comment
  JEPS112696  Cirsium andersonii Dean W. Taylor 2000-7-30 17535 Plumas spring about 1 mile SE of SE arm Antelope Lake (along Forest Road 27N41 0.2 mi S of junction with Forest Road 172) 1554 Comment
  CAS-BOT-BC284419  Cirsium arvense John Thomas Howell 1961-9-23 36833 Plumas Indian Valley, Sierra Nevada 1082 Comment
  CHSC67638  Cirsium arvense James D. Jokerst 1985-7-23 2533 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 Comment
  JEPS59320  Cirsium arvense W. L. Jepson 1939-8-8 19360 Plumas Quincy 1051 Comment
  CAS-BOT-BC284415  Cirsium arvense David D. Keck 1932-7-3 1655 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CDA17241  Cirsium cymosum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16344 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  SEINET10475277  Cirsium cymosum Mary Susan Taylor 1982-6-28 Taylor 4773 A Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC279952  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35986 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET10474557  Cirsium foliosum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4324 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  JEPS95069  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  CAS-BOT-BC286446  Cirsium scariosum Greg Sommers 1976-7-6 1278 Plumas 600 meters southeast of metal bridge on Dyson Lane. Sierra Valley Marsh 1524 Comment
  CAS-BOT-BC285831  Cirsium vulgare John Thomas Howell 1959-9-24 34930 Plumas Butterfly Creek near mouth 883 Comment
  SD50703  Cirsium vulgare Darley F. Howe 1959-8-2 2781 Plumas Quincy 1064 Comment
  CAS-BOT-BC205708  Cistanthe umbellata James R. Shevock 1985-5-19 11172 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 26N70 at Dixie Valley, and 1.2 miles south of junction with road 28N01 1800 Comment
  CAS-BOT-BC228909  Cistanthe umbellata Helen K. Sharsmith 1955-6-28 4527 Plumas East Branch of North Fork of Feather River, near Pulga 609 Comment
  CAS-BOT-BC228913  Cistanthe umbellata M. S. Taylor 1982-5-19 4485 Plumas Ramelli Ranch ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC228917  Cistanthe umbellata Mrs. H. C. Cantelow 1939-5-19 4209 Plumas 6 mi. W. of Buck Lake Comment
  CAS-BOT-BC162585  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54380 Plumas 0.75 miles northeast of Bucks Summit on the road to Quincy - Sierra Nevada 1600 Comment
  CAS-BOT-BC162589  Clarkia Clare B. Hardham 1975-8-2 20469 a Plumas Black Mt. - Sierra Nevada 2133 Comment
  CDA23050  Clarkia G. D. Barbe 1981-6-23 3085 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  SEINET10453250  Clarkia Mary Susan Taylor 1982-6-10 Taylor 4621 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
  CAS-BOT-BC160921  Clarkia amoena subsp. amoena Henry A. Kloppenburg 1928-5-19 433 Plumas Plumas National Forest. Belden 701 Comment
  UC725297  Clarkia mildrediae A. A. Heller 1940-6-5 15708 Plumas along State Hwy. 24 near Buck's Creek power house Comment
  SEINET12191146  Clarkia mildrediae Unknown 1968-1 s.n. Plumas near La Porte 762 Comment
  SJSU15258  Clarkia mildrediae subsp. mildrediae S. Woolhouse 2007-6-9 11 Plumas Highway 70 Comment
  CAS-BOT-BC164925  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  CHSC93155  Clarkia rhomboidea L. P. Janeway; Diane Mastalir 1993-7-8 4435 Plumas Northern High Sierra Nevada. Vicinity of 'Squaw Valley Spring;' near Road 24N05 1.0 mi south of Squaw Valley Road (28N01). 1706 Comment
  SEINET4145701  Clarkia rhomboidea A. A. Heller, P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  CHSC70763  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1438 Comment
  CHSC71392  Clarkia stellata Vernon H. Oswald 1998-7-13 9265 Plumas Humbug Rd. 0.1 mi south of the split in Humboldt-Humbug Rd. ca. 0.75 mi south of Hwy. 89 at Lake Almanor. 1414 Comment
  RSA101475  Clarkia stellata R. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station, USFS 1067 Comment
  SEINET10689280  Clarkia stellata Nancy R. Morin Morin 275 Plumas Campground, vicinity of Greenville. Comment
  UC625489  Clarkia stellata Frank W. Gould 1938-6-26 464 Plumas 3 mi n Greenville (along highway) 1127 Comment
Read comments
Mar 30 2008
  JEPS48668  Claytonia lanceolata Esther C. Fritz 1933-7-1 Plumas summit of Spanish Peak; Spanish Peak 2133 Comment
  SEINET5336343  Claytonia lanceolata L. Miller 1929-5-12 2188 Plumas 15 mi W Portola, California Comment
  CAS-BOT-BC233844  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas Near Marston Station 1066 Comment
  CHSC21217  Claytonia rubra subsp. rubra F. T. Griggs; A. Pass 1975-7-17 145 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC56079  Claytonia rubra subsp. rubra L. P. Janeway 1987-4-19 2005 Plumas Almanor Peninsula. South-facing beach, sandy and gravelly band above high water line of Lake Almanor. 1371 Comment
  CHSC80257  Claytonia rubra subsp. rubra L. P. Janeway 1996-6-12 5008 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
  CAS-BOT-BC443796  Claytonia rubra subsp. rubra John Thomas Howell 1960-7-18 35575 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC443803  Claytonia rubra subsp. rubra Thomas H. Harris 1973-6-3 s.n. Plumas Near Lake Almanor 1371 Comment
  CHSC40247  Collinsia parviflora K. R. Stern 1985-6-25 8229 Plumas Vic. Blairsden. 1371 Comment
  CHSC60493  Collinsia parviflora L. P. Janeway 1992-5-6 4157 Plumas Plumas National Forest. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  CHSC87625  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10955 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  RSA0117246  Collinsia parviflora L. S. Rose 1963-6-3 63114 Plumas Butterfly Valey, 2 mi. sw. of Keddie, North Fork of Feather River. 1189 Comment
  RSA101438  Collinsia parviflora R. Weatherby 1955-6-22 1541 Plumas Meadow near top of Spanish Peak. 2134 Comment
  RSA0117232  Collinsia rattanii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET10832482  Collinsia torreyi Mary Susan Taylor 1982-5-7 Taylor 4414 A 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
  JEPS127033  Collinsia torreyi var. torreyi Lowell Ahart 2016-6-2 20916 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  UC1026457  Collinsia torreyi var. wrightii John Thomas Howell 1951-6-28 27703 Plumas Eureka Peak 2255 Comment
  CHSC53691  Collomia grandiflora L. P. Janeway 1989-7-19 3499 Plumas Plumas National Forest. Along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. Edge of forest. 1676 Comment
  CHSC76060  Collomia grandiflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3256 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CDA25619  Collomia linearis D. G. Kelch, A. R. Smith, A. G. Murdock, Ruth Kirkpatrick 2006-6-2 06 .305-B Plumas Above Little Grass Lake on West side. Comment
  CDA15381  Collomia tinctoria G. F. Hrusa 1997-6-26 13898 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CDA18670  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-15 3734 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC101791  Collomia tinctoria Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15852 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC89281  Collomia tinctoria G. Douglas Barbe; T. C. Fuller 1982-6-15 3734 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  RSA71943  Collomia tinctoria F. W. Peirson 1932-7-19 10350 Plumas Feather River near Chester 1463 Comment
  UC170960  Collomia tinctoria H. M. Hall 1912-7-11 9337 Plumas Mt. Elwell 2103 Comment
  CAS-BOT-BC157363  Comarum palustre John Thomas Howell 1976-7-15 51834 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CHSC48864  Comarum palustre Vernon Oswald 1985-7-8 1890 Plumas Warner Valley Rd. 4.5 mi n of its jct. with Wilson Lake Rd. 1560 Comment
  JEPS115334  Conyza canadensis Lowell Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA59472  Conyza canadensis E. K. Balls 1950-9-16 15879 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89 1433 Comment
  RSA754869  Conyza canadensis L. Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CAS-BOT-BC286166  Conyza canadensis John Thomas Howell 1960-7-20 35775 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  JEPS48642  Corallorhiza maculata Esther C. Fritz 1933-7-27 Plumas Spanish Peak; s slope 2103 Comment
  RSA101408  Corallorhiza maculata R. Weatherby 1955-7-26 1666 Plumas Spanish Peak 2165 Comment
  RSA381969  Corallorhiza maculata Robert Gustafson 1984-5-15 2946 Plumas Butterfly Botanical area, ca. 7 miles northwest of Quincy, west of Highway 89 1037 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  JEPS87883  Cordylanthus tenuis subsp. viscidus Lowell Ahart 1994-7-28 7529 Plumas southwest of Bucks Lake Frenchman Hill 1706 Comment
  CHSC76033  Coreopsis grandiflora G. F. Hrusa 1996-8-22 13532 Plumas Northern Sierra Nevada. Roadside along Squirrel Creek on USFS road leading to Argentine Rock. Approx. 1 mi. NE of Hwy 70, and approx. 7 mi. E of Quincy. 1360 Comment
  CAS-BOT-BC209430  Cornus nuttallii Lewis S. Rose 1968-6-11 68107 Plumas Butterfly Valley 4 mi. s. of Keddie 1036 Comment
  CAS-BOT-BC210299  Cornus sericea A. A. Heller; P. B. Kennedy 1907-7-13 8829 Plumas Taylorville [Taylorsville] 1080 Comment
  CAS-BOT-BC210312  Cornus sericea Anna Head 1920-7-5 s.n. Plumas Lake Center Camp. Feather River Region 1920 Comment
  CAS-BOT-BC210325  Cornus sericea Ira L. Wiggins 1948-9-15 12057 Plumas Between canyons of Onion Creek and Middle Fork of the Feather River Comment
  CAS-BOT-BC210499  Cornus sericea subsp. occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2400 Plumas Butterfly Botanical Area Comment
  HSC12541  Corydalis caseana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC401876  Corydalis caseana subsp. caseana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54364 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CHSC81112  Crassula aquatica Lowell Ahart 2001-8-28 9213 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
  SD8506  Crataegus gaylussacia Mrs. R. M. Austin 1879-1 Plumas Big Spring Big Meadow Comment
  CAS-BOT-BC290320  Crepis Clare B. Hardham 1961-6-16 7480 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  UC566960  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 mi se Crow; Sierraville Quadrangle 1981 Comment
  JEPS36410  Crepis capillaris W. L. Jepson 1939-8-8 19365 Plumas Meadow Valley Comment
  CAS-BOT-BC291565  Crepis intermedia John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2424 Plumas Adjacent to the mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  CHSC97153  Crepis intermedia Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  SBBG33894  Crepis intermedia L. S. Rose 1969-6-24 Plumas Butterfly and Spanish Crks 853 Comment
  UC176424  Crepis intermedia A. A. Heller and P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  CAS-BOT-BC291558  Crepis intermedia Lewis S. Rose 1967-7-10 67146 Plumas 1 mi. s of Keddie, Butterfly Creek and Spanish Creek 883 Comment
  UC346561  Crepis intermedia E. B. Babcock 1928-6-15 156 Plumas Feather River Inn golf course; near hwy Comment
  RSA39747  Crepis modocensis subsp. subacaulis P. A. Munz 1947-5-17 11844 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  CAS-BOT-BC290860  Crepis pleurocarpa John Thomas Howell 1926-7-20 2087 Plumas Near Prattville 1463 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
  CHSC34929  Crepis pleurocarpa M. S. Taylor 1981-8-25 4242 Plumas N side of 26N22F-Red Hill Rd, 1.9 mi s of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi ne of Belden. 1615 Comment
  CHSC64070  Crepis pleurocarpa B. Castro; R. A. Schlising 1987-7-21 177 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  SEINET5343724 Image available Crepis runcinata var. andersonii W. Harnach, N. Harnach 1989-6-17 146 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  CHSC34334  Crypsis vaginiflora L. Ahart 1981-9-6 3100 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the hct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC189305  Cryptantha Clare B. Hardham 1975-8-2 20453 Plumas Black Mountain 2133 Comment
  CDA13346  Cryptantha affinis G. F. Hrusa, T. D. Wilfred 1996-7-9 13194 Plumas Sierra Nevada; Grizzly Campground, S of Bucks Lake on Hwy 162. Comment
  CHSC100336  Cryptantha affinis Lowell Ahart 2008-7-9 15061 Plumas Near seeps, on the east side of the good logging road , about 100 yards south of a small stream, 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
  JEPS102384  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS102358  Cryptantha torreyana Lowell Ahart 2001-7-17 8934 Plumas about 2 air miles NE of Humboldt Summit (W side of a branch of Butt Creek, on N side of dirt road a little W of Ruffa Ranch, 1 air mile n of Eagle Rocks) 1706 Comment
  CHSC24964  Cryptogramma acrostichoides L. Mayer; D. Brink 1975-7-1 Plumas Buck's Lake Survey. Comment
  CHSC33925  Cupressus bakeri M. S. Taylor 1981-8-3 4151 Plumas Along drainage east of Mud Lake, ca. 0.6 mi ne of Eisenheimer Peak, ca. 10 air mi n of Genesee. 2042 Comment
  RSA715665  Cuscuta californica L. Ahart 2005-8-9 12277 Plumas Between the east edge of the meadow and west of the forest, about 50 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
  UC1776801  Cuscuta californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13254 Plumas Sierra Nevada - Plumas National Forest; Shaded site on slopes to W of headwaters of Bull Run Creek off USFS 23N12E. 2100 Comment
  CAS-BOT-BC224402  Cuscuta californica Anna Head 1921-7-27 s.n. Plumas Camp Elwell. Feather River Region Comment
  CHSC61044  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1993-8-3 5762 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. 1950 Comment
  CHSC65422  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Lassen Volcanic Park. Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  CDA39975  Cuscuta subinclusa L. Ahart, John Dittes 2006-9-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake. Comment
  CHSC66757  Cuscuta subinclusa Vernon H. Oswald; Lowell Ahart 1996-8-14 8173 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. 1676 Comment
  CDA14027  Cynoglossum occidentale G. F. Hrusa, B. A. Smith 1996-8-8 13475 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CDA14040  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1996-8-1 13412 Plumas Sierra Nevada; approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  SEINET3164823  Cyperus inflexus E. K. Balls 1950-9-14 15814 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC113877  Cyperus niger var. capitatus Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass Comment
  JEPS102578  Cyperus squarrosus Lowell Ahart 2001-10-8 9306 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC114128  Cyperus squarrosus John Thomas Howell 1961-9-24 36913 Plumas Feather River bed sur. of Beckworth. 1487 Comment
  CHSC111724  Cypripedium californicum Lowell Ahart 2012-7-1 18254 Plumas Along the creek, on both sides of the small stream ... Field redacted by CHSC, contact the data manager for more information 850 Comment
  SD7401  Cypripedium californicum Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  HSC73117  Cypripedium fasciculatum M. S. Taylor 1981-7-14 4020 Plumas Saddle at head of Bullfrog Ravine. Up to 1/4 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls. 1585 Comment
  UC336579  Cypripedium fasciculatum Mrs. Austin Plumas Indian Valley Comment
  CAS-BOT-BC70677  Cystopteris fragilis John Thomas Howell 1951-6-27 27635 Plumas Jamison Creek 1828 Comment
  CHSC21805  Cystopteris fragilis F. T. Griggs; A. Pass 1975-7-8 101 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC70666  Cystopteris fragilis Anna Head 1921-7-23 s.n. Plumas Gray Eagle Trail, Feather River region Comment
  CAS-BOT-BC70678  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Near Johnsville Comment
  JEPS62351  Cystopteris fragilis James W. Daly 1937-5-24 Plumas near Quincy Q Comment
  SEINET6629009  Cystopteris fragilis P. Lehenbauer 1926-5-31 1038 Plumas Clover Creek, Plumas Natl. Forest Comment
  CAS-BOT-BC201013  Cytisus scoparius John Thomas Howell 1959-9-21 34720 Plumas Belden 701 Comment
  JEPS118688  Cytisus scoparius L. P. Janeway 2011-8-23 10667 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.8 road km east of Road 22N60; 2.5 air km east-northeast of the northeast corner of Little Grass Valley Reservoir. Onion Valley 7.5' quad. Comment
  JEPS103524  Danthonia californica var. californica Lowell Ahart 2002-7-2 9818 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  RSA699248  Danthonia californica var. californica L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11006 Plumas near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  CHSC53313  Danthonia unispicata L. P. Janeway 1989-6-16 3332 Plumas Plumas National Forest. NE slopes of Crocker Mtn facing Red Clover Valley. 1828 Comment
  UCD32542  Danthonia unispicata Beecher Crampton 1954-5-10 1867 Plumas Plumas County, 1 mile west of Portola, along highway 24. 1472 Comment
  UCD119085  Darlingtonia californica Barry Rice 2011-7-27 BR 110716 Plumas location unknown. 1590 Comment
  SEINET10480123  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5041 Plumas T25N R8E nw/se sec 19. Almanor SW quad. On both sides of Virgilia-Meadow Valley Rd (25N17), in small creek, ca. 0.5 mi w of York Cr, s of 12 Mile Ravine, ca. 1.5 mi sw of Virgilia. 4400 ft. 1341 Comment
  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
  CAS-BOT-BC8926  Delphinium depauperatum Walter Knight; Irja Knight 1967-5-22 1821 Plumas Dirt road near Pond reservoir 1097 Comment
  UCSB15813  Delphinium depauperatum Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC9825  Delphinium nudicaule Mrs. H. C. Cantelow 1940-5-11 4267 Plumas W of Meadow Valley Inn Comment
  UC1126009  Delphinium nudicaule E. Sawyer 1935-5-22 29 Plumas 1 1/4 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quadrangle Comment
  POM302109  Delphinium nudicaule H. C. Cantelow 1941-5-21 s.n. Plumas Road to Meadow Valley, 6 miles W of Quincey, alt 3850ft, Plumas County 1174 Comment
  CAS-BOT-BC116075  Delphinium nuttallianum Anna Head 1921-7-1 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CDA18741  Delphinium nuttallianum G. D. Barbe, T. C Fuller 1982-7-16 3778 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
  CHSC60555  Delphinium nuttallianum L. P. Janeway 1992-5-14 4178 Plumas Plumas National Forest. Dotta Canyon; southwest side of Dotta Neck, 3.4 mi southeast from Beckwourth-Genesee Road. Meadow. 1716 Comment
  SEINET3927158  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor.; 0 Comment
  CAS-BOT-BC192433  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1960-7-18 35515 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC192437  Deschampsia cespitosa subsp. cespitosa A. A. Heller; P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC194264  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-7-18 826 Plumas West bank of inlet to Willow Lake, near north shore of willow Lake 1661 Comment
  UCR66621  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  CAS-BOT-BC198158  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor 1828 Comment
  OBI2939  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy 1036 Comment
  CAS-BOT-BC201892  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA13356  Deschampsia elongata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13205 Plumas Sierra Nevada; Occasional bunching perennial in low gravelly +- disturbed drainage within coniferous understory. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CDA34551  Deschampsia elongata L. Ahart 2008-9-1 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC24244  Deschampsia elongata K. R. Stern 1975-7-25 Plumas S end of Lake Almanor. Comment
  JEPS110430  Deschampsia elongata Lowell Ahart 2006-7-9 12931 Plumas Near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Resevoir 1678 Comment
  JEPS114827  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  RSA718446  Deschampsia elongata L. Ahart 2006-7-9 12931 Plumas near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1679 Comment
  UCD63558  Deschampsia elongata Dean W. Taylor 1976-7-8 6184 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  CAS-BOT-BC402218  Dicentra chrysantha Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  RSA66695  Dicentra formosa subsp. formosa F. W. Peirson 1926-6-22 6816 Plumas Trail to Devil's Kitchen, Lassen National Park Comment
  CHSC48441  Dicentra pauciflora Vernon Oswald 1986-6-6 2094 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  CAS-BOT-BC402605  Dicentra uniflora Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville Comment
  CAS-BOT-BC402609  Dicentra uniflora Anna Head 1921-6-26 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC209230  Dichanthelium acuminatum subsp. acuminatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie 1066 Comment
  CAS-BOT-BC242667  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  UC843821  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas near Gray's Flat (on the Feather River Highway) 868 Comment
  CAS-BOT-BC502661  Dichelostemma multiflorum G. L Smith 1959-6-20 1261 Plumas Butterfly Valley near Quincy 1082 Comment
  CAS-BOT-BC290982  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. line 1463 Comment
  CAS-BOT-BC151818  Diplacus mephiticus John Thomas Howell 1977-6-21 52390 Plumas Cut at north end of Butt Valley Reservoir - Sierra Nevada 1264 Comment
  CHSC34070  Diplacus mephiticus M. S. Taylor; L. Heckard 1981-7-29 4140 Plumas E side of 25N42 = Flournoy Grade, 1.3 mi s of Flournoy Bridge, ca. 3 mi e of Genesee. 1341 Comment
  CHSC41143  Diplacus mephiticus J. D. Jokerst 1984-6-13 2048 Plumas Ca 2 air miles east of Peacock Point, south of Grizzly Cr, along USS road 26N08. 1432 Comment
  CHSC62591  Diplacus torreyi B. Castro 1987-6-21 131 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  CHSC95016  Diplacus torreyi Lowell Ahart 2006-10-23 13485 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC151690  Diplacus torreyi Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen National Park Comment
  UC1134584  Disporum hookeri G. T. Nordstrom 1934-7-20 242 Plumas 1/2 mi nw of Edmanton (Plumas National Forest); Plumas National Forest 1493 Comment
  UC1075814  Dodecatheon hendersonii E. K. Balls and L. W. Lenz 1955-5-14 20708 Plumas 1.5 mi n Greenville (along road to Lake Almanor, Hwy 89); n of Greenville, rd to Lake Almanor 1127 Comment
  JEPS14448  Downingia bacigalupii H. L. Mason 1924-6-26 Plumas Blairsden Comment
  POM68155  Downingia bacigalupii Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC2043146  Downingia bacigalupii Barbara Ertter 1989-7-5 8690 Plumas Coyote Flat W of Lake Almanor, 4.2 mi W of junction of Highway 89 and Highway 36. Comment
  POM98580  Downingia bacigalupii F. W. Peirson 1926-6-21 6802 Plumas Lake Almanor. Comment
  SEINET12326105  Downingia bacigalupii W. Knight, Knight, I. 1983-1 4917 Plumas On road between Chester and Drakesbad 1539 Comment
  UC1243993  Downingia bacigalupii John H. Weiler 1959-6-28 59207 Plumas 2.4 mi s Plumas County line (along Highway 89) Comment
  UC1243996  Downingia bacigalupii John H. Weiler 1959-6-20 59185 Plumas 1.5 mi ne Sattley, Sierra County (along the Sattley-Beckwith road) Comment
  UC579512  Downingia bicornuta var. bicornuta E. Sawyer 1935-6-11 98 Plumas 4.75 mi se East Butte, Sierra County 1493 Comment
  JEPS108499  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-30 315 -96 Plumas Nea the W shore of Lake Almanor. SW corner of Rt. 89 and Prattville Butte Reservoir Road. Comment
  UC397356  Draba verna Mrs. Jos. Clemens 1920-2-25 7000 Plumas Crescent Mills Comment
  UCD97466  Draba verna Albert Grigarick 2010-5-11 248 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.9 mi. 1488 Comment
  JEPS21087  Draperia systyla F. W. Embree 1934-6-6 72 Plumas south slope of Bucks Mountain; Bidwell Bar Quad. 1524 Comment
  UC1124239  Draperia systyla D. Axelrod 1934-6-1 1 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  UCD119193  Draperia systyla Lewis S. Rose 1967-7-19 67141 Plumas Cresta, North Fork, Feather River. 762 Comment
  UCR115325  Draperia systyla G. D. Barbe, T. C. Fuller 1982-7-15 3745 Plumas Sierra Nevada Mtns, Plumas National Forest. 3.4 mi NE of jct with road to Red Hill 1524 Comment
  CHSC46614  Drosera X obovata Vernon H. Oswald; Wes Dempsey 1989-8-3 3914 Plumas Willow Lake located se of Drakesbad, just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UCD99506  Drosera anglica Barry Rice 2004-8-24 BR 040804 Plumas at Willow Lake. Comment
  CHSC21186  Drosera rotundifolia F. T. Griggs; A. Pass 1975-7-16 183 Plumas N. shore of Lower Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  CHSC21539  Drosera rotundifolia L. Mayer; D. Brink 1975-7-25 Plumas Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  RSA59482  Drymocallis glandulosa E. K. Balls 1950-9-15 15867 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 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-BC534975  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1959 Plumas Butterfly Botanical Area and Vicinity, Trestle Glen 1112 Comment
  RSA232879  Drymocallis glandulosa var. reflexa L. S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly Creek and Spanish Creek, near Keddie. 976 Comment
  JEPS120539  Drymocallis lactea var. austiniae L. P. Janeway 2013-6-2 11130 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain; along Road 23N69, 1.0 road km west of Road 18. Comment
  OBI2928  Drymocallis lactea var. austiniae Lewis S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly crk and Spanish Crk, near Keddie 975 Comment
  UC176202 Image available Drymocallis lactea var. austiniae A. A. Heller 1913-6-13 10863 Plumas near Quincy; ; Quincy, Plumas Co. 1066 Comment
  CAS-BOT-BC159305  Drymocallis lactea var. lactea Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) - Sierra Nevada 2046 Comment
  CAS-BOT-BC159309  Drymocallis lactea var. lactea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54157 Plumas Meadow and forest borders, 3.25 miles west of Round Valley Reservoir dam - Sierra Nevada 1633 Comment
  SEINET3015222  Echinochloa colona L. Ahart 1997-9-11 7898 Plumas On the W edge of Caribou Rd, on the W side of the North Fork of the Feather River, about 1.8 mi S of mosquito Creek, about 5 miles (air) mortheast of Belden. 792 Comment
  CAS-BOT-BC113710  Eleocharis acicularis John Thomas Howell; Walter Knight; Irja Knight 1967-6-12 2000 Plumas Near spring, Butterfly Botanical Area. 1127 Comment
  CHSC40414  Eleocharis acicularis var. occidentalis Lowell Ahart 1985-7-11 5125 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
  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-BC113502  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas Muddy islands in marsh, north edge of Taylorsville. 1097 Comment
  CAS-BOT-BC113394  Eleocharis engelmannii var. detonsa Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1422 Plumas Adjacent to Pond Reservoir. Butterfly Botanical Area. 1097 Comment
  CAS-BOT-BC112917  Eleocharis macrostachya John Thomas Howell 1926-7-26 2133 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC112913  Eleocharis macrostachya Malcom A. Nobs; Gordon H. True 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  SEINET13710085  Eleocharis macrostachya Lowell William Ahart, Lowell William Ahart 2000-1 8382 Plumas 5 Air Mi. NE of Quincy, Butterfly Valley (T25N, R9E, sec 28, SW 1/4) 3300 Ft. 1006 Comment
  CAS-BOT-BC113108  Eleocharis obtusa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1453 Plumas In bed of Spanish Creek near confluence of Butterfly Creek. 883 Comment
  JEPS104614  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, ca 150 yd south of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1752 Comment
  CAS-BOT-BC112081  Eleocharis quinqueflora Clarence Roy Quick 1945-7-20 45 -61 Plumas USFD fenced pasture, Deanes Valley, SE of Meadow Valley. Comment
  CAS-BOT-BC112044  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1524 Plumas In profusion at north end of Pond Reservoir, Butterfly Botanical Area. 1097 Comment
  CHSC110759  Eleocharis torticulmis Dean Wm. Taylor 2011-8-1 21135 Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie). 1173 Comment
  JEPS98449  Eleocharis torticulmis Lowell Ahart 2000-5-21 8383 Plumas 5 air miles NW of Quincy (Butterfly Valley, 150 ft NW of the pond) 1005 Comment
  UCD62814  Elymus X hansenii K. A. Wagnon 1967-7-11 s.n. Plumas Plumas National Forest. Comment
  CAS-BOT-BC227608  Elymus elymoides Clare B. Hardham 1978-8-11 21800 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC227732  Elymus elymoides L. P. Janeway 1989-6-23 3390 Plumas Beckwourth Ranger District, Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east 1874 Comment
  JEPS95605  Elymus elymoides subsp. californicus Lowell Ahart 1994-6-29 7409 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  RSA726281  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2007-6-16 14143 Plumas west of a small stream, about 200 yards south of County Road 111 ( Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CHSC24266  Elymus glaucus K. R. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  CAS-BOT-BC206516  Elymus glaucus subsp. glaucus John Thomas Howell; Gordon H. True 1967-7-9 43256 Plumas North Fork of Feather River 4.3 miles southwest of Caribou - Sierra Nevada 792 Comment
  CAS-BOT-BC206797  Elymus glaucus subsp. glaucus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone Ridge, 12 miles west of Buck's 1676 Comment
  CHSC65880  Elymus glaucus subsp. glaucus L. P. Janeway 1995-10-11 4939 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite entrance to the campground. 1923 Comment
  SEINET12745738  Elymus glaucus var. glaucus W. Harnach, N. Harnach 1990-6-27 419 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), S of railroad. 1509 Comment
  JEPS127333  Elymus multisetus Lowell Ahart 2016-7-9 21094 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCD62557  Elymus repens John Thomas Howell 1967-6-22 42663 Plumas Court house square, Quincy. 1036 Comment
  JEPS121765  Elymus trachycaulus subsp. subsecundus B. Castro and L. P. Janeway 2009-8-29 1800 C 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
  CHSC54544  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald 1991-8-8 4814 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. In a meadow located here. 1670 Comment
  CHSC66655  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald; Lowell Ahart 1996-7-15 8038 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from the road. On the edge of the road crossing the meadow. 1371 Comment
  SJSU7490  Elymus trachycaulus subsp. trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy Meadow 1036 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
  RSA768848  Elytrigia intermedia subsp. intermedia L. Ahart 2008-9-10 15370 Plumas North side of East Branch Creek, south side of Quincy La Porte Road, about 1.75 air miles south of Little Grass Valley Reservoir, about one mine northeast of La Porte. 1594 Comment
  CHSC94943  Elytrigia repens Samantha Mackey Hillaire 2006-9-13 1229 Plumas Sierra Nevada. North of Grizzly Forebay, south side of road 24N49, west of PG and E's Grizzly Powerhouse. 1341 Comment
  CDA14043  Epilobium brachycarpum G. F. Hrusa, T. D. Wilfred 1996-8-1 13415 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC110616  Epilobium brachycarpum B. Castro; G. Kuenster 2006-8-4 1590 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. In narrow band of dry to fairly moist sagebrush meadow downstream of small rock dam, near E edge of Thompson Creek, a 100 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC59919  Epilobium brachycarpum L. P. Janeway 1992-7-17 4267 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. In unused dirt road and adjacent clear-cut slope. 1731 Comment
  RSA60796  Epilobium brachycarpum I. L. Wiggins 1948-9-15 12051 Plumas Ridge between canyons of Onion Creek and Middle Fork of Feather River Comment
  CHSC67369  Epilobium canum subsp. latifolium James D. Jokerst 1985-9-15 2581 Plumas Grizzly Creek Hydro Transmission Line Project, top of slope near Rd. 26N26 in Yellow Creek Canyon. 1463 Comment
  CHSC88633  Epilobium canum subsp. latifolium Linnea Hanson 1981-8-9 167 Plumas Plumas National Forest. 1828 Comment
  JEPS44028  Epilobium canum subsp. latifolium W. L. Jepson 1924-7-22 10607 Plumas Rich Pt. Middle Fork Feather River 914 Comment
  SD7371  Epilobium ciliatum subsp. ciliatum R. M. Austin 1882-7-25 Plumas Big Meadows Comment
  JEPS118382  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CHSC54530  Epilobium densiflorum Vernon H. Oswald 1991-8-8 4815 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, where the trail to Terminal Geyser crosses Terminal Geyser Creek, ca. 3 miles (air) southeast of Drakesbad. On the bank of the creek. 1658 Comment
  JEPS124094  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  UC1122533  Epilobium glaberrimum subsp. glaberrimum Beryl O. Schreiber 1938-7-10 2533 Plumas near Meadow Valley; Plumas National Forest, Bidwell Bar Quadrangle, Grubstake Fl Comment
  CHSC115177  Epilobium minutum Lowell Ahart 2015-6-7 20224 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  SFV11561  Equisetum M. L. Vincent 1967-7-1 s. n. Plumas 2 miles from entrance of Caribou Road. Comment
  CAS-BOT-BC57830  Equisetum hyemale subsp. affine John Thomas Howell 1959-9-24 34919 Plumas Indian Creek Canyon near Indian Falls. 1036 Comment
  CAS-BOT-BC57402  Equisetum laevigatum John Thomas Howell; Gordon H. True 1968-6-10 44548 Plumas Quincy 1036 Comment
  CHSC102970  Eremocarpus setiger Lowell Ahart; John Dittes 2009-9-7 16394 Plumas At the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC107425  Eremogone aculeata L. P. Janeway 2011-8-6 10635 Plumas Northern High Sierra Nevada. Plumas National Forest; north-facing edge of the nose of the rocky ridge on southeast side of Quincy-La Porte Road, 1.7 air km northwest of Pilot Peak. 2000 Comment
  RSA595069  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon. 610 Comment
  CHSC67486  Eremogone congesta var. congesta James D. Jokerst 1985-6-10 2407 Plumas Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  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
  CAS-BOT-BC174214  Eremogone congesta var. congesta Mrs. H. C. Cantelow 1939-5-20 2544 Plumas Indian Valley, 11 mi. s.e. of Prattville Comment
  CAS-BOT-BC174362  Eremogone kingii var. glabrescens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 Comment
  SEINET14623021  Eriastrum wilcoxii W. Harnach, N. Harnach 1990-6-16 389 Plumas Sierra Valley, Frank Dotta Ranch, NNW of Vinton. 1524 Comment
  CAS-BOT-BC286654  Ericameria bloomeri Carl B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. Line 1463 Comment
  CAS-BOT-BC286663  Ericameria bloomeri Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC100038  Ericameria bloomeri Lowell Ahart 2008-8-14 15199 Plumas 20 yards northwest of the metal gate, west side of Forest road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC67343  Ericameria bloomeri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2565 Plumas Red Mtn. Rd. above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  UC1118691  Ericameria bloomeri C. W. Hanks 1934-9-6 69 Plumas Top of Dixie Mtn. Plumas National Forest, Sierraville Quad., Top of Dixie Mtn. 2438 Comment
  UC86504  Ericameria bloomeri Mrs. R. M. Austin 1877-1-1 Plumas Big Meadows Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC286667  Ericameria bloomeri John Thomas Howell 1960-8-20 36282 Plumas Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad 1615 Comment
  UC1037325  Ericameria bloomeri Leo Whitney 1934-8-19 1893 Plumas 9 mi n Mohawk and Blairsden (w slope Grizzly Ridge); Plumas National Forest, Grizzly Ridge 2133 Comment
  CAS-BOT-BC292400  Ericameria nauseosa W. Harnach; N. Harnach 1990-10-6 533 Plumas 0.5 mile S of Dyson lane on 6 Mile 1492 Comment
  CAS-BOT-BC294294  Ericameria nauseosa var. speciosa Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CAS-BOT-BC299440  Ericameria nauseosa var. speciosa Lewis S. Rose 1932-9-4 32605 Plumas Eureka Lake 1889 Comment
  CHSC83082  Ericameria nauseosa var. speciosa Lowell Ahart 2002-10-19 10003 Plumas Forest on the south side of the dirt road, about 1/4 mile east of Humboldt Road, about 1 3/4 miles (air) northeast of Humboldt Summit. 1750 Comment
  JEPS113427  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes 2007-8-9 14430 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
  JEPS118403  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -A Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  JEPS26680  Ericameria nauseosa var. speciosa P. C. Hutchison 1961-6-9 2112 Plumas on highway US Alt. 40, Rich Bar, canyon of the north fork of the Feather River Feather River Comment
  SBBG128586  Ericameria nauseosa var. speciosa L. Ahart 2008-9-10 15360 Plumas both sides of the Quincy La Porte Rd, NW of E Branch Crk, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. one mi NE of La Porte 1593 Comment
  UC1119836  Ericameria nauseosa var. speciosa E. Nourse 1934-9-4 24 Plumas 2 1/2 mi ssw of Quincy; Plumas National Forest, Downieville Quad. 1828 Comment
  CAS-BOT-BC293019  Ericameria parryi var. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1219 Comment
  CAS-BOT-BC293022  Ericameria parryi var. nevadensis John Thomas Howell 1951-8-20 28210 Plumas Between Taylorsville and Genesee 1097 Comment
  CAS-BOT-BC293031  Ericameria parryi var. nevadensis L. P. Janeway 1993-8-10 4514 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth 1487 Comment
  UC204683  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2184 Plumas Keddie Comment
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  CAS-BOT-BC295994  Erigeron divergens Gordon H. True; John Thomas Howell 1967-7-12 43383 Plumas Twain, Sierra Nevada 883 Comment
  RSA726368  Erigeron eatonii L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13982 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CAS-BOT-BC300399  Erigeron eatonii var. plantagineus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  CHSC53128  Erigeron eatonii var. plantagineus L. P. Janeway 1989-6-23 3383 Plumas Plumas National Forest. Upper slope overlooking Crocker Mdw from the east. 1889 Comment
  SBBG133127  Erigeron eatonii var. plantagineus B. C. Templeton 1968-1 11278 Plumas unknown Comment
  UC725603  Erigeron eatonii var. plantagineus A. A. Heller 1940-5-22 15669 Plumas along State Hwy 89 in treeless area 2 mi n Almanor Comment
  CHSC106220  Erigeron eatonii var. sonnei Arthur C. Barrett 1915-7-15 3 Plumas Indian Creek, near Boulder Cr. 1645 Comment
  SD9018  Erigeron glacialis var. glacialis Mrs. R. M. Austin 1882-8-9 Plumas King's Valley Comment
  JEPS41441  Erigeron inornatus var. inornatus W. L. Jepson 1939-7-31 19326 Plumas summit of Spanish Peak; Buck Valley 1584 Comment
  RSA271925  Erigeron lassenianus Christopher Davidson 1975-6-7 2741 Plumas 3 miles W on road to Snake Lake, departing NW from Hwy. 89 ca. 2 miles N of Quincy. 1273 Comment
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Aug 21 2012
  RSA121437  Erigeron lassenianus E. Sawyer 1935-6-3 66 Plumas 2.25 miles SSE of Beckwith, Plumas National Forest 1585 Comment
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Aug 21 2012
  SJSU14283  Erigeron lassenianus N. A. Hopkins 1989-6-7 1519 Plumas Squaw Valley Comment
  CHSC61915  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas Monitor Flat, on the west side of Cleghorn Bar Road, about 3 miles north-west of Pilot Peak. 1828 Comment
  CHSC72434  Erigeron lassenianus var. deficiens L. P. Janeway; B. Castro 1995-8-23 4898 Plumas Junction of Lumpkin Ridge Road and the '94' road; on the divide between Fall River and Black Rock Creek; about 1 mi northwest of Little Grass Valley Reservoir. 1735 Comment
  UC1609240  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas about 3 mi nw Pilot Peak (w side of Cleghorn Bar Road); Monitor Flat 1828 Comment
  CAS-BOT-BC295464  Erigeron lassenianus var. deficiens Wayne Dakan 1974-6-24 s.n. Plumas Long Valley Comment
  UC1118208  Erigeron lassenianus var. lassenianus E. Sawyer 1935-6-3 66 Plumas 2 1/4 mi sse Beckwith Butte; Plumas National Forest, Sierraville Quadrangle 1584 Comment
  CAS-BOT-BC295495  Erigeron lassenianus var. lassenianus D. E. Breedlove 1962-6-12 3441 Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC295499  Erigeron lassenianus var. lassenianus H. M. Hall; E. B. Babcock 1903-7-1 4419 Plumas Sierra Nevada Mountains. On Warner Creek 1463 Comment
  SEINET8667754 Image available Erigeron nevadincola C. Tanner 1993-5-25 s.n. Plumas Along dirt road between area know as "Portola Heights"and unincorporated town of Delleker. 1494 Comment
  CAS-BOT-BC295785  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4442 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CAS-BOT-BC295789  Erigeron petrophilus var. sierrensis F. Thomas Griggs 1977-7-23 s.n. Plumas Soda Ridge area 3 to 4 miles north of Belden Comment
  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
  CHSC98247  Erigeron petrophilus var. sierrensis Allison Sanger 2003-7-23 Plumas Along Yellow Creek Road (26N26) within Storrie Fire area, about 4 air miles south of Yellow Creek Campground and 16 miles south of Chester. 1280 Comment
  RSA0035330  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1940 Comment
  RSA101394  Erigeron petrophilus var. sierrensis R. Weatherby 1955-7-21 1650 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  SEINET8463936 Image available Erigeron reductus var. reductus D. 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 2012 Comment
  CAS-BOT-BC216233  Eriodictyon californicum Lowell Ahart 1981-6-25 2883 Plumas 1 mile north of Nelson Creek, about 16 miles northeast of La Porte 1700 Comment
  CHSC681  Eriodictyon californicum R. Carter 1964-5-16 92 Plumas Feather R. Canyon, 100 yds. N or RR trestle along dirt road along Rock Cr. 670 Comment
  SEINET8655788  Eriogonum baileyi var. baileyi W. Harnach 2015-8-6 1436 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  RSA626474  Eriogonum baileyi var. praebens J. T. Howell 1955-7-19 30806 Plumas Sagebrush Flat, Vinton 1512 Comment
  SEINET244749 Image available Eriogonum douglasii James L. Reveal 2002-6-25 8361 Plumas Squaw Valley; Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9. airmiles NNW of Beckwourth. 1710 Comment
  RSA0004989  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. 1707 Comment
  UC1032037  Eriogonum elatum C. W. Hanks 1934-8-6 5 Plumas n end of Sierra Valley Plumas National Forest, Sierraville Quadrangle, Sierra Valle Comment
  SEINET530776  Eriogonum elatum var. villosum Paul Opler 2007-6-28 Plumas 1 mi. E Clio. Comment
  SEINET10479491  Eriogonum elatum var. villosum Mary Susan Taylor 1982-8-12 Taylor 4982 Plumas T23N R12E nw sec 20. Johnsville quad. Along Jackson Creek Rd (23N48) ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 5400 ft. 1646 Comment
  SDSU6734  Eriogonum latifolium subsp. nudum R. M. Beauchamp 1965-7-17 Plumas 1/2 mile north of Chester, California. Comment
  CAS-BOT-BC259390  Eriogonum luteolum Lewis S. Rose 1932-9-4 32601 Plumas Portola 1371 Comment
  CAS-BOT-BC267332  Eriogonum luteolum var. pedunculatum John Thomas Howell 1959-9-21 34808 Plumas Indian Creek Canyon, Sierra Nevada 914 Comment
  CDA13397  Eriogonum marifolium G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13246 Plumas Sierra Nevada; Near summit of N side of ridge from headwaters of Bull Run Creek off USFS 23N12E. Comment
  POM180956  Eriogonum marifolium A. A. Heller, P. B. Kennedy 1907-7-3 8707 Plumas Hills above Red Clover Valley Comment
  CHSC20975  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-23 250 Plumas Cape Lake. Comment
  CHSC52732  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 B Plumas Plumas National Forest Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  SEINET9322469  Eriogonum nudum Unknown 1982-6-17 3799 Plumas Plumas County Comment
  CAS-BOT-BC261367  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  SEINET10479528  Eriogonum nudum var. deductum Mary Susan Taylor 1981-7-6 Taylor 3978 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
  CAS-BOT-BC261587  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat 1615 Comment
  CDA14663  Eriogonum nudum var. nudum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3102 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC63711  Eriogonum nudum var. nudum Lowell Ahart 1994-10-19 7566 Plumas Along the edge of the dirt road, near Boulder Creek, Granite Basin. 1615 Comment
  JEPS56656  Eriogonum nudum var. nudum Esther Fritz and T. H. Harris 1926-7-18 Plumas at edge of meadow, Meadow Valley Meadow Valley Comment
  CAS-BOT-BC261602  Eriogonum nudum var. nudum M. S. Taylor 1982-8-4 4913 Plumas Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy Comment
  CAS-BOT-BC269724  Eriogonum nudum var. oblongifolium A. A. Heller; P. B. Kennedy 1907-7-16 8867 Plumas Grade between Genessee [Genesee] Valley and Summit Comment
  SEINET5330937  Eriogonum nudum var. oblongifolium A. A. Heller, P. B. Kennedy 1907-7-16 8867 Plumas Grade between Genessee Valley and Summit Comment
  RSA325151  Eriogonum ovalifolium var. nevadense M. S. Taylor, M. Foster 1981-6-8 3873 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  CAS-BOT-BC269946  Eriogonum spergulinum var. reddingianum Anna Head 1921-7-3 s.n. Plumas Grassy Lake, Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC269959  Eriogonum spergulinum var. reddingianum John Thomas Howell; Gordon H. True 1973-8-1 50188 Plumas Ca. 2.5 miles se. of Diamond Mt. 2164 Comment
  CHSC57091  Eriogonum spergulinum var. reddingianum L. P. Janeway; Garrett Gibson 1991-7-11 4069 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. Bare ground openings in Artemisia tridentata scrub openings in yellow pine forest. 1798 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
  RSA759520  Eriogonum strictum subsp. proliferum James L. Reveal 2007-6-5 8840 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  UC584344  Eriogonum strictum var. proliferum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2239 Plumas n Engelmine (sw slopes and ride crest Red Rock); Red Rock Comment
  UCD130299  Eriogonum umbellatum Albert Grigarick 2011-8-15 298 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .5 miles W from Graeagle Trailhead to Hawley Falls. 1894 Comment
  CAS-BOT-BC267491  Eriogonum umbellatum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley (E. side of valley) 1082 Comment
  UC1032271  Eriogonum umbellatum var. dumosum C. G. Albertus 1935-7-27 235 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC268188  Eriogonum umbellatum var. modocense A. A. Heller; P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CHSC109553  Eriogonum umbellatum var. modocense L. P. Janeway 2012-7-17 10946 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  CHSC60547  Eriogonum umbellatum var. modocense L. P. Janeway 1992-7-8 4249 Plumas 0.15 mi south of Beckwourth-Genesee road, 0.7 mi northwest of Clover Valley Ranch. Plumas National Forest Beckwourth Ranger District Crocker Compartment. 1676 Comment
  CHSC32043  Eriogonum umbellatum var. nevadense L. Ahart 1975-7-20 923 Plumas On ridge e of Mt. Etna, ca. 10 mi ne of La Porte. 2133 Comment
  CHSC58175  Eriogonum umbellatum var. nevadense Vernon H. Oswald 1992-6-18 4996 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Common in crevices on rocky cliffs bordering the creek. 1621 Comment
  CHSC76064  Eriogonum umbellatum var. nevadense G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3265 Plumas Mount Hough summit. 2194 Comment
  JEPS95292  Eriogonum umbellatum var. nevadense Lowell Ahart 1994-7-28 7528 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC82120  Eriogonum umbellatum var. polyanthum L. P. Janeway 2001-8-5 7424 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  JEPS56232  Eriogonum umbellatum var. polyanthum Esther C. Fritz 1933-7-18 Plumas Spanish Peak 2145 Comment
  RSA739742  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-13 9186 Plumas Northern High Sierra Nevada above road 24N31 about 0.8 air kim E of Little Schneider Creek. 1402 Comment
  SEINET10937584  Eriogonum umbellatum var. polyanthum Mary Susan Taylor 1982-8-4 Taylor 4912 Plumas T25N R10E sw sec 23. Greenville SE quad. Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy. Dry gravelly soil in Mixed Evergreen Forest. Comment
  CDA13556  Eriogonum ursinum G. F. Hrusa, T. D. Wilfred 1996-7-22 13383 Plumas Sierra Nevada; Plumas Natl. Forest: above Little Long Valley Creek. Approx 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  POM161733  Eriogonum ursinum R. C. Bacigalupi 1927-7-7 1647 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  JEPS56202  Eriogonum ursinum J. G. Lemmon Sept. 1878 Plumas Mohawk and Indian Valleys Comment
  POM253220  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas 3 miles east of Quincy. 1098 Comment
  CHSC105596  Eriogonum ursinum var. ursinum L. P. Janeway 2010-7-13 10105 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir. 1721 Comment
  UCD101523  Eriogonum vimineum John Thomas Howell 1955-7-19 30807 Plumas Vinton. 1508 Comment
  CAS-BOT-BC264119  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp near Belden 670 Comment
  CAS-BOT-BC264122  Eriogonum vimineum Clare B. Hardham 1985-7-31 30138 Plumas Doyles Crossing, between Antelope Reservoir and Janesville, Sierra Nevada Comment
  CAS-BOT-BC264131  Eriogonum vimineum John Thomas Howell 1955-7-19 30732 Plumas Portola, west of town, Sierra Nevada 1478 Comment
  SJSU14292  Eriogonum vimineum N. A. Hopkins 1989-8-29 1595 Plumas 1 mi N of Chilcoot Comment
  UCD101526  Eriogonum vimineum John Thomas Howell 1959-9-26 35079 Plumas 5 miles northeast of Storrie. 609 Comment
  UC366027  Erioneuron J. G. Lemmon and wife 1880-7-1 355 Plumas Indian Valley; U.S. Pacific Coast, N. California, Indian Valley Comment
  JEPS59949  Eriophyllum lanatum var. croceum Lewis S. Rose 1969-6-24 69050 Plumas 3 mi w Keddie; Butterfly Valley 1158 Comment
  CHSC93085  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1994-7-8 4691 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 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
  CAS-BOT-BC308267  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 114 Plumas Nea rthe Feather River Forestry Exper. Sta., 4 mi. NW of Quincy Comment
  CHSC80147  Eriophyllum lanatum var. integrifolium L. P. Janeway 1996-6-5 4993 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
  LA203614  Eriophyllum lanatum var. integrifolium E. Sawyer; 1935-6-14 104 Plumas 1 mi. S of Sugarloaf, Sierra Valley 1523 Comment
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Nov 16 2015
  UCD132226  Eriophyllum lanatum var. integrifolium N. Hopkins 1973-6-19 553 Plumas Sierra Valley. Comment
  SEINET10475143  Eriophyllum lanatum var. integrifolium Mary Susan Taylor 1981-7-22 Taylor 4108 A Plumas T24N R11E nw 1/4 nw 1/4 sec 5. Spring Garden quad. Slope of hill, ca. 1/4 mi S of 26N21, ca. 0.5 mi W of Pine Creek Valley, ca. 7 air mi N of Spring Garden. 2316 Comment
  CHSC34295  Erythranthe cardinalis M. S. Taylor 1981-8-19 4215 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC112610  Erythranthe guttata Lowell Ahart 2013-9-11 19027 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  SD77330  Erythranthe guttata F. W. Pennell, A. A. Heller 1940-6-5 25689 Plumas Wet granite soil below bluff, Route 24, along Feather River, below Belden 487 Comment
  RSA80484  Erythranthe pulsiferae F. W. Peirson 1926-6-21 6801 Plumas Open flat strip along shore of Lake Almanor. Comment
  RSA0123900  Erythranthe willisii J. T. Howell 1951-6-26 27540 Plumas Feather River Canyon; Sierra Nevada. 854 Comment
  CAS-BOT-BC502826  Erythronium multiscapideum John Thomas Howell; Gordon H. True 1967-5-9 42231 Plumas Sierra Nevada, southeast side of North Fork of Feather River at Pulga Bridge Comment
  SEINET3160626  Eschscholzia californica E. K. Balls 1950-9-6 15692 Plumas 3.1 mi. e. of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  POM181048  Eschscholzia californica var. crocea A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC176959  Eucephalus breweri J. Semple; S. Heard 1986-8-13 8417 Plumas [LaPorte] La Porte Rd., 2 mi. E of [LaPorte] La Porte, at turnoff to Quincy Comment
  CAS-BOT-BC310383  Eucephalus breweri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC310387  Eucephalus breweri John Thomas Howell; Gordon H. True 1967-7-11 43347 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  UC1075648  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell Lakes Basin Area, Mt. Elwell 2286 Comment
  CAS-BOT-BC310534  Eurybia integrifolia Lewis S. Rose 1932-9-7 32644 Plumas Bear Lakes 1981 Comment
  CHSC117627  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 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
  CHSC78982  Eurybia integrifolia M. S. Taylor 1982-9-8 5119 Plumas Bellas Flat near Bellas Creek, Round Valley Reservoir, ca. 14 mi S of Greenville. 1371 Comment
  JEPS107494  Eurybia integrifolia Lowell Ahart, John Dittes 2005-9-19 12378 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  JEPS113548  Eurybia integrifolia Lowell Ahart, Josephine Guardino 2007-7-21 14363 Plumas Near a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  UC297889  Eurybia integrifolia Milo S. Baker 1926-8-26 298 f-26 Plumas Lee's Camp Comment
  SD9008  Eurybia radulina Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CAS-BOT-BC310598  Eurybia radulina C. R. Quick 1951-6-7 51 -98 Plumas Ridge ne. of Humbug Valley Comment
  CAS-BOT-BC312260  Euthamia occidentalis Malcom A. Nobs; S. Galen Smith 1949-8-19 1455 Plumas Southeastern side of Portola Comment
  CAS-BOT-BC413895  Fallopia convolvulus David D. Keck 1932-7-3 1669 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CHSC53177  Festuca idahoensis L. P. Janeway 1989-6-30 3446 Plumas Plumas National Forest. Along rd 24N45Y 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  SEINET10869085  Festuca occidentalis Mary Susan Taylor 1982-6-21 Taylor 4703 Plumas T23N R10E se/sw sec 24 & ne/nw sec 25. Blue Nose Mt quad. S side of 23N39, ca. 1 air mi w of White Cap, ca. 4 air mi sw of Sloat. 5800 ft. 1768 Comment
  UC1146574  Festuca pratensis Freed W. Hoffman 1946-6-11 1835 Plumas near Mohawk Comment
  CAS-BOT-BC279019  Festuca rubra Clare B. Hardham 1970-8-8 17703 E Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC279022  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45841 Plumas Quincy 1036 Comment
  JEPS102456  Festuca subulata Lowell Ahart 2001-7-19 8950 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  CHSC54404  Floerkea proserpinacoides Vernon H. Oswald 1991-6-12 4656 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Meadow just north of the park boundary. 1658 Comment
  SEINET10495208  Floerkea proserpinacoides Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4196 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  CAS-BOT-BC461211  Fragaria John Thomas Howell; H. Keith Wagnon 1980-5-27 53634 Plumas About 2 miles NW of Almanor 1389 Comment
  CHSC112503  Fragaria virginiana L. P. Janeway 2014-7-15 11537 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  UC178572  Fragaria virginiana subsp. platypetala Mrs. B. W. Austin 1880-1 Plumas Big Meadows Comment
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Jul 11 2010
  CAS-BOT-BC55681  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Portola quad. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola Comment
  CHSC60138  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Plumas National Forest. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola. North-facing slope in area of aspens over mountain chaparral understory. 1752 Comment
  CHSC98921  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9206 Plumas Northern High Sierra Nevada. Along Soda Creek and Road 25N22 1.2 km northwest of Hwy 70 and West Branch North Fork Feather River. 942 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
  JEPS127574  Frangula purshiana subsp. annonifolia L. P. Janeway 2015-8-3 11816 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Highway and Grizzly Summit. Soapstone Hill 7.5' Quad. Comment
  SBBG26937  Frangula purshiana subsp. annonifolia A. A. Heller 1915-7-7 Plumas near summit of Soapstone ridge, 12 mi W of Bucks [Bucks Lake] 1676 Comment
  UCD113131  Frangula rubra E. W. Jameson 1949-8-7 s.n. Plumas one mile northeast of Quincy. 1066 Comment
  CHSC70275  Frangula rubra subsp. obtusissima B. Castro 1989-8-3 339 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18. 1828 Comment
  CAS-BOT-BC59580  Frangula rubra subsp. rubra John Thomas Howell 1975-6-16 51134 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  SEINET178415  Frasera albicaulis subsp. nitida Marcus E. Jones 1897-7-2 Plumas Near Prattville at Mt. Meadow. 1676 Comment
  RSA104128  Frasera albicaulis var. nitida T. C. Porter 1876-1 s.n. Plumas [No location information on label.] Comment
  CHSC60507  Fritillaria atropurpurea L. P. Janeway 1992-5-14 4180 Plumas North side of Dotta Neck in Dotta Canyon along road on northeast side of the canyon. Plumas National Forest Beckwourth Ranger District Dotta Compartment. 1709 Comment
  SD6484  Fritillaria atropurpurea Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  JEPS5808  Fritillaria atropurpurea W. I. Follett 1936-5-11 Plumas Divide between Deadwood Ravine and Rich Gulch 1493 Comment
  CAS-BOT-BC506201  Fritillaria micrantha L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  RSA52840  Fritillaria recurva R. Weatherby 1950-5-31 1442 Plumas Near Lake Almanor 1341 Comment
  UC337828  Fritillaria recurva unknown 1889-5-26 Plumas Mohawk Valley, Culver's Ranch Mohawk Valley; , Culver's Ranch Comment
  CHSC97195  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14000 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
  JEPS28625  Galium bifolium George W. Gillett 1957-7-18 813 Plumas ne side Boiling Springs Lake (near trail); Lassen Volcanic National Park 1813 Comment
  CHSC21530  Galium bolanderi D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC59928  Galium bolanderi L. P. Janeway 1992-7-17 4268 Plumas Plumas National Forest. Cogswell Ravine: ca. 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. 1731 Comment
  JEPS6709  Galium bolanderi W. L. Jepson 1927-6-22 12291 Plumas ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  JEPS6711  Galium bolanderi W. L. Jepson 1939-8-6 19341 Plumas Spring Hill Meadow Valley 1219 Comment
  RSA794957  Galium bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16219 Plumas North side of Forest Service Road 26N22, 4650 feet northwest of Rattlesnake Hill, 3.0 air miles SSE of Lake Almanor Dam. 1591 Comment
  RSA88459  Galium bolanderi J. T. Howell 1951-6-28 27730 Plumas Eureka Lake. 1890 Comment
  CHSC80874  Galium grayanum var. grayanum Lowell Ahart 2001-7-17 8928 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC20846  Galium trifidum var. pacificum K. Stern 1975-7-23 5801 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC81153  Galium trifidum var. pacificum Lowell Ahart 2001-8-28 9204 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
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  UC1192018  Galium trifidum var. pacificum Malcolm A. Nobs and S. Galen Smith 1945-8-18 1395 Plumas ca 2 mi n Lake Almanor (near Chester); Last Chance Creek Comment
  JEPS102763  Galium trifidum var. pusillum Lowell Ahart 2001-8-28 9205 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  CAS-BOT-BC169863  Garrya fremontii John Thomas Howell 1959-9-25 35033 Plumas 1.5 mi. se. of Cromberg 1584 Comment
  CHSC51263  Garrya fremontii Lowell Ahart 1990-10-14 6633 Plumas Growing in dry soil along an improved road, about 1/8 mile south of Cleghorn Bar Road, about 2 1/2 (air) miles west of Finger Board. 1767 Comment
  RSA786880  Garrya fremontii Doris Bowers 1972-8-31 1883 Plumas Round Valley Reservoir, near Greenville. 1366 Comment
  UCD121156  Garrya fremontii B. F. Smith 1967-8-17 62 Plumas South slope of Goat Mountain, 2 1/2 miles northeast of La Porte. 1645 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
  SBBG119864  Gayophytum diffusum subsp. parviflorum L. Ahart, J. Dittes 2003-8-8 10487 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  UC903105  Gayophytum diffusum subsp. parviflorum Ethel Crum 1937-8-7 1946 Plumas 3 mi w Lake Almanor 1524 Comment
  JEPS102733  Gayophytum heterozygum Lowell Ahart 2001-7-17 8920 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS107701  Gayophytum heterozygum Lowell Ahart, John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2049 Comment
  OBI12632  Gayophytum heterozygum Lewis S. Rose 1966-7-28 66074 Plumas Quincy 1067 Comment
  CHSC115164  Gayophytum humile Lowell Ahart 2015-6-7 20222 Plumas On the west side of the dirt road, Lava Top, about 2-1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  UC121203  Gayophytum humile Mrs. R. M. Austin 1882-8-20 Plumas Dutch Hill Comment
  CHSC93408  Gentiana calycosa Robert F. C. Naczi 2004-7-29 10644 Plumas Ca. 1.3 mi SW of Virgilia, along S side of Forest Service Road 25N17. 1359 Comment
  CAS-BOT-BC217429  Gentianopsis holopetala Martine Telford 1966-9-13 1 Plumas Darlingonia Bog, northernmost area in Butterfly Valley, Sierra Nevada Comment
  CHSC43375  Gentianopsis simplex Lowell Ahart 1979-8-16 2018 Plumas In a bog, 300 feet east of Ohio Ravine, about 2 1/2 miles south of Grizzly Mountain. 1584 Comment
  CHSC70262  Gentianopsis simplex B. Castro; R. Zebell 1989-7-7 362 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi WSW jcn Rds 23N18, 23N15 and 23N19, on the S flank of Red Mtn. 1828 Comment
  JEPS69520  Gilia capitata subsp. capitata W. I. Follett 1937-6-18 79 Plumas Rich Gulch Comment
  CHSC94200  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  CAS-BOT-BC283874  Glyceria borealis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1398 Plumas Butterfly Botanical Area and Vicinity. Pond reservoir near dam 1097 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
  SEINET7297650 Image available Glyceria borealis John Thomas Howell 1961-1 36953 Plumas Feather River bed, Portola 1478 Comment
  SEINET13709989  Glyceria borealis Lowell William Ahart, Lowell William Ahart 2001-1 9189 Plumas 3/4 Mi. NE of Chester, Last Chance Marsh (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  RSA716686  Gnaphalium canescens subsp. thermale L. Ahart, John Dittes 2005-9-19 12405 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  SEINET11826501  Gnaphalium microcephalum var. thermale Unknown 1975-1 s.n. Plumas SW side of Lake Almanor Comment
  CAS-BOT-BC307377  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC20803  Gnaphalium palustre K. R. Stern 1975-7-23 5840 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC65327  Gnaphalium palustre Lowell Ahart 1995-10-1 7643 Plumas On the bottom of the drying pond, Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC97576  Gnaphalium palustre Lowell Ahart; John Dittes 2007-6-16 14084 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA201261A  Gnaphalium palustre J. T. Howell 1959-9-22 34865 Plumas Plants of Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad, 1677 Comment
  RSA59918  Gnaphalium palustre E. K. Balls 1950-9-15 15831 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SBBG21774  Gnaphalium palustre D. Myrick 1964-7-21 903 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC307383  Gnaphalium palustre John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54208 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  CAS-BOT-BC307387  Gnaphalium palustre L. P. Janeway 1989-7-25 3520 Plumas Crocker Meadow near Beckwourth-Genesee Road (rd 111) 6.4 mi north of Beckwourth, Plumas National Forest, Beckwourth Ranger District Crocker Compartment 1737 Comment
  CHSC74126  Gratiola ebracteata Mary Ann Griggs 1997-7-7 Plumas On W edge of Illinois Ridge, ca 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. 1493 Comment
  JEPS107732  Gratiola ebracteata Lowell Ahart, John Dittes 2005-9-19 12392 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  SEINET3891107  Habenaria sparsiflora D. W. McNeal 1990-8-10 3780 Plumas Beside the rd. from Gold Lake to Mills Peak L.O. (Church Meadows Rd.).; 0 Comment
  HSC22976  Hackelia californica John Pratt 1970-6-30 57 Plumas Humboldt Summit Comment
  RSA101462  Hackelia micrantha R. Weatherby 1955-7-2 1576 Plumas Creek below Bear Ridge, near Taylor Lake. 2073 Comment
  CHSC73935  Hackelia nervosa B. Castro 1998-10-7 857 Plumas Ca 4 air mi NE of Little Grass Valley Reservoir, on gentle NW-facing slope between S. Fork Feather River and Co. Rd 511. Ca 0.3 mi NNW of jcn of Co. road and USFS Rd 22N21. In bottom of drainage channel. 1816 Comment
  CHSC75471  Hackelia nervosa G. F. Hrusa; T. D. Wilfred 1997-6-26 13923 Plumas Sierra Nevada. About Brady's Camp. Pine Creek Valley, +/- 1/2 mi. NE Argentine Rock. 2125 Comment
  SEINET10474687  Haplopappus bloomeri Mary Susan Taylor 1982-9-13 Taylor 5129 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
  UC1093642  Hastingsia alba Herbert L. Mason 1957-7-7 14748 Plumas in lateral stream above Feather River Canyon (along Alternate Route #40, 2 mi e of Rich Bar); above Feather River Canyon Comment
  CHSC34300  Hazardia whitneyi J. D. Jokerst; R. A. Schlising 1981-8-1 1451 B Plumas Ca 0.5 mi NE of summit Humboldt Peak at saddle along ridge between the former and Eagle Rock. Comment
  CDA14044  Hazardia whitneyi var. whitneyi G. F. Hrusa, T. D. Wilfred 1996-8-1 13416 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas NF. Comment
  CHSC84974  Hazardia whitneyi var. whitneyi Lowell Ahart 2003-10-17 10651 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile northeast of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CHSC45005  Helenium bigelovii Lowell Ahart 1979-8-16 2014 Plumas In a bog, about 100 yards east of Ohio Ravine, east of the dirt road, about 2 1/4 air miles south of Grizzly Mountain. 1767 Comment
  RSA0089036  Helenium bigelovii Bonnie C. Templeton 1968-6-9 11257 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  OBI55498  Helianthella californica David J. Keil, Kathleen Keil 1992-7-25 23605 Plumas Lassen NF along hwy 89/36, 5.4 mi E of hwy 32, SW of Chester Comment
  CAS-BOT-BC314792  Helianthella californica var. nevadensis Clarence R. Quick 1952-6-29 52 -78 Plumas Summit of road between Belden and Humbug Valley, Sierra Nevada 1486 Comment
  RSA0009330  Helianthella californica var. nevadensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  JEPS34869  Helianthus bolanderi W. L. Jepson 1918-8-16 8014 Plumas Taylorsville 1097 Comment
  CAS-BOT-BC305544  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  CHSC21023  Hemizonella minima F. T. Griggs; A. Pass 1975-7-10 140 Plumas Buck's Lake. Comment
  CAS-BOT-BC313429  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  UC897253  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas plain n Chester 1304 Comment
  SDSU2253  Heracleum lanatum R. M. Beauchamp 1965-7-17 Plumas 0.5 mile north of Chester. Comment
  CAS-BOT-BC55285  Hesperis matronalis John Thomas Howell 1963-6-3 39387 Plumas Sierra Nevada. Quincy. 1036 Comment
  CDA18684  Hesperis matronalis G. D. Barbe, T. C. Fuller 1982-6-15 3686 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 Comment
  CDA12095  Hesperochiron californicus G. F. Hrusa, G. L. Webster 1989-5-1 7011 Plumas Modoc Plateau; Hwy 70 between Vinton & Beckwourth. Comment
  SEINET5499792  Hesperochiron californicus A. A. Heller, P. B. Kennedy 1907-7-5 8748 Plumas Red Clover Valley 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
  CHSC111718  Hesperolinon micranthum Lowell Ahart 2012-7-1 18260 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  UC1563669  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  UC1563919  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 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
  JEPS2464  Heterotheca villosa var. minor W. L. Jepson 1924-7-22 10609 Plumas Rich Point; Middle Fork Feather River 914 Comment
  RSA795732  Heterotheca villosa var. minor L. P. Janeway, P. F. Zika, Barbara L. Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  CAS-BOT-BC312291  Heterotheca villosa var. minor L. P. Janeway 1993-8-26 4544 Plumas Northwest corner of Sierra Valley ca. 300 m. south of Middle Fork Feather River adn ca. 100 m. west of Bechwourth-Calpine Road ca. 0.6 mi west of Beckwourth and 4 mi. east of Portola 1487 Comment
  CDA7956  Heterotheca villosa var. villosa T. C. Fuller 1980-8-25 20294 Plumas West of Highway A23 to Calpine, 1.3 km southwest of Beckwourth. 0 Comment
  CAS-BOT-BC425152  Heuchera rubescens Ella Dales Cantelow 1941-5-18 3518 Plumas 1 1/2 mi. w. of Johnsville on rd. to Gibsonville 1615 Comment
  RSA0066261  Heuchera rubescens var. alpicola E. K. Balls 1950-9-1 15593 Plumas Above trail going S around lake, E of Long Lake. 2134 Comment
  CAS-BOT-BC312321  Hieracium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54212 Plumas About 5 miles southeast of Mt. Hough on teh road to Quincy, Sierra Nevada 1584 Comment
  JEPS36581  Hieracium albiflorum John Thomas Howell 1926-7-20 2084 Plumas near Prattville 1463 Comment
  CHSC46677  Hippuris vulgaris Vernon H. Oswald 1988-8-5 3627 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. Locally abundant in shallow water and marshy places along the edge of Yellow Creek. 1316 Comment
  CAS-BOT-BC152720  Holodiscus microphyllus var. microphyllus Robert J. Weatherby 1950-8-11 1516 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  SBBG32410  Hordeum brachyantherum L. S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  CAS-BOT-BC284650  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1961-6-21 36694 Plumas Greenville 1097 Comment
  UC1024784  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-8-8 2239 Plumas ca. 9 mi NW of Portola (Freeman Creek, NW end of Big Grizzley Valley); Plumas National Forest 1828 Comment
  SEINET10610426  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1995-9-13 Ahart 7622 Plumas T22N, R10E, south-east 1/4 Section 5. On dry gravelly soil, on the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Common. Mountain meadow in Red Fir Forest. 1829 Comment
  CAS-BOT-BC143350  Horkelia fusca Clare B. Hardham 1978-8-11 21795 Plumas SE. of Thompson Peak Comment
  POM182558  Horkelia fusca subsp. tenella J. B. Feudge 1929-7-17 2061 Plumas Damp meadow near Chester. 1829 Comment
  CAS-BOT-BC143992  Horkelia fusca var. tenella Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Clear Creek 1524 Comment
  POM181038  Horkelia tridentata subsp. flavescens A. A. Heller, P. B. Kennedy 1907-7-11 8799 Plumas Prattville. Comment
  UC1583945  Horkelia tridentata subsp. flavescens School/Ertter 1990-5-14 2042 Plumas About 1/2 mile east of Cherokee Mine west of Crescent Mills. 1432 Comment
  SEINET6768123  Horkelia tridentata subsp. flavescens A. A. Heller, P. B. Kennedy 1907-7-11 8799 Plumas Sierra Nevada; Prattville. Comment
  CHSC94191  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the southwest edge of a dry open basalt flat. 1527 Comment
  CAS-BOT-BC201082  Hosackia crassifolia M. S. Taylor 1982-6-14 4666 Plumas North side of Genesee Valley Rd (112), ca. 2 mi. west of Genesee 1127 Comment
  JEPS122110  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC45910  Hosackia stipularis var. ottleyi Lowell Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near the headwaters of Ohio Ravine, about 1 mile north-east of the Hardquartz Mine, about 6 miles south of Bucks Lake. 1584 Comment
  SD43488  Hydrophyllum capitatum Philip A. Munz 1947-5-17 11843 Plumas 16 mi. N of Chilcoot 1707 Comment
  CHSC57189  Hydrophyllum capitatum var. alpinum Casey Stemler 1990-4-21 18 Plumas 8 mi west of Humbug Valley, 11 mi southeast of Hwy 32. 1280 Comment
  POM147051  Hydrophyllum capitatum var. alpinum Alice Eastwood 1927-06 14890 Plumas On road from Chilcott, United States Forest Reserve Comment
  SEINET10837216  Hydrophyllum capitatum var. alpinum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3838 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. N side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  RSA74345  Hydrophyllum occidentale Milo S. Baker 1952-5-24 12442 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  SEINET11990948  Hypericum anagalloides W. Knight, Knight, I. 1983-1 4909 Plumas 4 mi from Chester on road to Drakesbad Comment
  CAS-BOT-BC401207  Hypericum perforatum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2218 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC88636  Idahoa scapigera W. Harnach; N. Harnach 1989-3-29 005 Plumas Sierra Valley. Hillside north of Barry corrals. 1524 Comment
  UCD149532  Ipomopsis congesta subsp. montana G. L. Stebbins 1970-7-24 7081 Plumas Ridge south of Round Lake. Lakes Basin area. (Exact location unknown. Coordinates estimated by label maker.) 2286 Comment
  JEPS48959  Iris W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1249 Comment
  UCD138749  Iris hartwegii Wayne Sorsoli 1952-5-30 3 Plumas 1/2 mile west of Crescent Mills. Comment
  RSA40423  Iris hartwegii subsp. pinetorum Philip A. Munz, Lee W. Lenz 1948-8-12 12338 Plumas Forest Lodge, Greenville. 1128 Comment
  UC1174771  Iris hartwegii subsp. pinetorum L. W. Lenz and E. K. Balls 1956-6-19 21842 Plumas sw of Greenville (Forest Lodge) 1127 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
  RSA135900  Iris tenuissima subsp. purdyiformis Lee W. Lenz 1954-5-8 19134 Plumas Camp Rogers [Rodgers] 762 Comment
  RSA712967  Iris tenuissima subsp. purdyiformis L. P. Janeway 1994-5-24 4652 Plumas Owl Creek, 1.5 mi west of Seneca. 1372 Comment
  CAS-BOT-BC123370  Iris tenuissima var. purdyiformis E. P. Chace 1934-4-11 s.n. Plumas Camp Rodgers Comment
  JEPS116136  Isoetes bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  UCD135854  Isoetes howellii Malcolm A. Nobs; S. Galen Smith 1949-8-18 1386 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC55624  Isolepis setacea L. P. Janeway 1987-6-20 2284 Plumas Seepy area near road in ravine on north side of South Branch Middle Fork Feather River, below Whiskey Hill. 1158 Comment
  CAS-BOT-BC324816  Iva axillaris John Thomas Howell 1955-7-19 30738 Plumas Beckwourth, Sierra Nevada 1493 Comment
  UC161893  Ivesia sericoleuca Katharine Brandegee 1912-7-30 Plumas Portola Comment
  CHSC24249  Juncus balticus K. R. Stern 1975-7-25 Plumas N end of Lake Almanor. Comment
  CHSC116383  Juncus balticus Sara M. Taylor; Scott Batiuk 2012-8-13 64 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  CHSC101997  Juncus balticus subsp. ater L. P. Janeway; B. Castro 2009-8-29 9936 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  SJSU13952  Juncus balticus subsp. ater N. A. Hopkins 1985-7-26 1298 Plumas Marble Hot Springs Rd neare Marble Hot Springs, Sierra Valley 1524 Comment
  CHSC95013  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC97622  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2007-6-16 14104 Plumas Gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS114369  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15064 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte 1689 Comment
  SEINET3450940  Juncus bufonius var. occidentalis Unknown 2003-7-18 10426 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  CHSC100338  Juncus covillei Lowell Ahart 2008-7-9 15059 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  UCD141424  Juncus covillei L. Ahart 1980-10-6 2675 Plumas about 1 mile south of La Porte. 1463 Comment
  CHSC45603  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas About 1 mile north of Humboldt Summit. 1798 Comment
  CHSC47550  Juncus ensifolius Lowell Ahart 1980-10-6 2666 Plumas On the south shore of the small lake about 1 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1828 Comment
  CHSC96983  Juncus ensifolius Lowell Ahart; Josephine Guardino 2007-7-21 14366 Plumas Along a small stream, near a spring, south of the dirt road, about 200 yards west of the intersection, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  POM111085  Juncus ensifolius Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  JEPS66994  Juncus ensifolius W. L. Jepson 1924-7-22 10618 Plumas Bed of Dogwood Creek, not far above its junction with Middle Fork Feather River; Dogwood Creek 1127 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
  CHSC100031  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC100461  Juncus howellii Lowell Ahart 2008-9-10 15390 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. Near center of section 27. 1598 Comment
  CHSC102838  Juncus howellii Lowell Ahart; John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC92198  Juncus howellii Lowell Ahart; John Dittes 2005-9-19 12422 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  JEPS114937  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
  JEPS115910  Juncus howellii Lowell Ahart, John Dittes 2009-7-27 16177 Plumas High bank on the north side of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  CHSC41498  Juncus luciensis Barbara Ertter; Jeffrey Strachan 1980-7-31 3885 Plumas West end Dixie Valley just east of Beckwourth-Milford Road, Plumas National Forest. 1706 Comment
  CHSC49618  Juncus mertensianus Vernon Oswald 1984-6-25 1319 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. In meadow. 1889 Comment
  CHSC43005  Juncus nevadensis L. P. Janeway; B. Castro 1987-7-17 2486 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. Mdw. 1584 Comment
  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
  CHSC100331  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC21682  Juncus occidentalis D. Brink; L. Mayer 1975-8-2 Plumas Buck's Lake. 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
  JEPS114915  Juncus occidentalis Lowell Ahart 2008-7-9 15055 Plumas On the north side of the dirt road, about 1/4 mile southeeast of the Feather Fork Mine, road is east of the main road (intersection) and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte 1686 Comment
  SD71005  Juncus occidentalis John Thomas Howell 1960-7-18 35550 Plumas Lassen Volcanic National Park, meadow, Drakesbad. 1676 Comment
  CHSC51244  Juncus orthophyllus Lowell Ahart 1979-7-18 1979 Plumas On the east sidef of Quincy La Porte Road, just before it crosses Onion Valley Creek, about 1 mile northwest of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CHSC102673  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -D Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC94997  Juncus tenuis Lowell Ahart 2006-10-23 13491 A 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
  JEPS115979  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -B Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS116050  Juncus tenuis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16209 Plumas On dry rocky soil, drainage from 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
  JEPS116055  Juncus tenuis Lowell Ahart, John Dittes 2009-7-28 16200 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  CHSC60065  Juniperus communis B. Castro; J. Jurewiez 1991-8-12 445 Plumas Ca. 3.5 air mi S of Bucks Lake and 0.1mi SE of Grizzly Mtn (=Red Mtn), along USFS Rd 23N69 ca 0.5 mi W of its jcn with USFS Rd 23N18. 1911 Comment
  UC1134349  Juniperus occidentalis R. Roseberry 1934-10-22 17 Plumas 1 1/2 mi ne Pilot Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CHSC45599  Kalmia polifolia Lynn J. Gillespie 1982-5-23 Plumas Ca. 3.5 miles northeast of Spanish Ranch, ca. 100 miles north of Snake Lake. 1219 Comment
  SBBG128286  Keckiella lemmonii L. Ahart, J. Dittes 2009-7-15 16099 Plumas NE of the power line, on the W side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  UC1594534  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5173 Plumas ca 2.25 air mi ese Pilot Peak (ca 9 air mi ne of La Porte, Forest Rd 23N10 between junction of 22N19 and Hopkins Creek) 1706 Comment
  UCR263562  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Sierra Nevada Mountains, Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte 1707 Comment
  CHSC21566  Kelloggia galioides L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Found in the middle of the section. Comment
  CHSC53067  Kelloggia galioides L. P. Janeway 1989-6-23 3394 Plumas Plumas National Forest. Along rd 24N45Y ca 0.1 mi E of N end of Crocker Mdw. 1752 Comment
  POM161743  Kelloggia galioides R. C. Bacigalupi 1927-7-11 1698 Plumas Gold Lake region. 1890 Comment
  CHSC102657  Kyhosia bolanderi Lowell Ahart; John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC340415  Lactuca biennis John Thomas Howell 1973-7-9 49705 Plumas Near Indian Falls, Indian Creek 914 Comment
  SEINET10839262  Lactuca saligna Mary Susan Taylor 1982-9-7 Taylor 5097 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CAS-BOT-BC341568  Lagophylla ramosissima John Thomas Howell 1962-6-17 37677 Plumas Butterfly Valley 1036 Comment
  CDA14739  Lagophylla ramosissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3281 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 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
  HSC14212  Lamium amplexicaule R. J. Vernimen 1963-5-4 47 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  SEINET5327278  Lathyrus lanszwertii P. A. Lehenbauer 1925-5-31 1789 Plumas Clover Valley, Plumas National Forest Comment
  CHSC105598  Lathyrus latifolius L. P. Janeway 2010-8-4 10135 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Hwy 70 and East Fork North Fork Feather River. 944 Comment
  CDA4176  Lathyrus latifolius D. G. Kelch, A. Smith, A. G. Murdock, Ruth Kirkpatrick 2006-6-2 6 .257 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  SEINET10940069  Lathyrus nevadensis Mary Susan Taylor 1982-6-16 Taylor 4679 Plumas T24N R10E nw/sw sec 33. Spring Garden quad. Mixed Evergreen Forest; on rdcut, n side of 24N26, 0.5 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4500 ft. 1372 Comment
  CAS-BOT-BC534927  Lemna minuta M. S. Taylor; M. Foster 1981-2-6 3831 Plumas Spring garden quad, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  UC1028652  Lemna turionifera Robert J. Weatherby 1950-7-21 1474 Plumas e of Quincy 1036 Comment
  CAS-BOT-BC88837  Lepidium campestre John Thomas Howell 1955-7-18 30726 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CAS-BOT-BC88843  Lepidium campestre Robert J. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy. 1066 Comment
  CAS-BOT-BC88838  Lepidium campestre John Thomas Howell 1973-7-9 49702 Plumas Sierra Nevada. Near Indian Falls, Indian Creek. 914 Comment
  CAS-BOT-BC88845  Lepidium campestre John Thomas Howell 1951-6-26 27553 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  JEPS100355  Lepidium densiflorum var. macrocarpum Dean W. Taylor 2001-6-28 17823 Plumas 2 air mi E of Frenchman Lake (Snow Lake, on edge of Forest Road 24N44); Sierra Nevada, Diamond Mountains 1859 Comment
  UCD20965  Lepidium draba E. Bortiri 2002-6-21 WFC 13 Plumas Rocky Point East, Ramelli Ranch , near Portola, Plumas Co. Comment
  RSA189389  Leptosiphon bolanderi L. S. Rose 1967-6-12 67119 Plumas Butterfly Valley, ca. 3 mi. W of keddie. 1220 Comment
  SD7467  Leptosiphon bolanderi Mrs. R. M. Austin 1879-1 Plumas American Valley Comment
  CHSC53158  Leptosiphon ciliatus L. P. Janeway 1989-6-12 3296 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  POM303005  Leptosiphon harknessii Thomas H. Kearney 1944-8-14 112 Plumas Near Prattville, Lake Almanor Comment
  POM74482  Leptosiphon nuttallii Marcus E. Jones 1897-7-6 10079 Plumas Prattville. 5 miles west. 1372 Comment
  CDA42422  Lessingia leptoclada D. G. Kelch 2012-9-19 12 .373 Plumas Route 70 at North Fork of Feather River; 500 m south of turn-off to Pulga. Comment
  SEINET10971181  Lessingia nemaclada Mary Susan Taylor 1980-9-27 Taylor 3346 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  CAS-BOT-BC342088  Leucanthemum vulgare David D. Keck 1932-7-3 1622 Plumas Along the road (to Lake Almanor). Quincy, in the Northern Sierra Nevada 1065 Comment
  CHSC32046  Leucothoe davisiae L. Ahart 1974-10-1 653 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, 1 mi n of Onion Valley. 1981 Comment
  POM76990  Leucothoe davisiae Mrs. R. M. Austin 1874-08 s.n. Plumas Butterfly Valley. Comment
  RSA52902  Leucothoe davisiae R. Weatherby 1950-8-11 1523 Plumas Slopes of Mt. Elwell, Lakes Basin Area. 2226 Comment
  CHSC112526  Lewisia nevadensis B. Castro; L. P. Janeway 2008-6-8 1738 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, at base of low knolls with rounded granitic rock outcrops, ca 250 ft below edge of open Ponderosa-Jeffrey pine forest. 1667 Comment
  SEINET5336485  Lewisia nevadensis M. J. Williams 1965-6-24 s.n. Plumas Happy Valley above Long Valley near Cromberg. 1707 Comment
  CHSC21183  Lewisia triphylla F. T. Griggs; A. Pass 1975-7-16 195 Plumas N shore of Lower Buck's Lake. Comment
  CAS-BOT-BC444573  Lewisia triphylla Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek 2286 Comment
  UCD86626  Leymus triticoides A. A. Beetle 1941-6-28 2793 Plumas 5 miles W of Chester. 1524 Comment
  SEINET4690758  Lilaea scilloides W. Harnach, N. Harnach 2000-8-2 964 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC130518  Lilium A. M. Vollmer; L. Beane 1953-7-1 28 Plumas Englemine 1158 Comment
  CDA11933  Lilium kelleyanum G. F. Hrusa, J. Dinsdale 1989-6-27 7208 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  SDSU11954  Lilium kelleyanum D. F. Howe 1964-7-29 3890 Plumas Near Gold Lake Lodge, Plumas National Forest 2012 Comment
  CAS-BOT-BC509314  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2422 Plumas Between mouth of Butterfly Creek and Valley proper. 914 Comment
  CAS-BOT-BC509330  Lilium kelleyanum Alice Eastwood 1930-6-1 14565 Plumas United States Forest Reserve, Forest Lodge, Greenville Comment
  SEINET10469570  Lilium kelleyanum Mary Susan Taylor 1981-7-17 Taylor 4048 Plumas T21N R12E sw/ne sec 7, Sierra City NW quad; Lakes Basin, Long Lake trail, ca. 1/10 mi W of trailhead, ca. 6 air mi S of Mohawk. 6400 ft elev. 1950 Comment
  UC119794  Lilium parvum R. M. Austin Jul 1878 293 Plumas Big Meadows Comment
  POM86186  Limnanthes alba Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81156  Limosella acaulis Lowell Ahart 2001-8-29 9227 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1025103  Limosella aquatica Leo Whitney 1934-8-12 1875 Plumas 8 mi ne Spring Mountain (over-flow marsh from Walker Mine); Plumas National Forest, ne of Spring Mountain 1889 Comment
  CHSC112615  Linaria vulgaris Lowell Ahart 2013-9-11 19028 Plumas Gravel bar on the north side of the Feather River, about 20 yards west of Chips Creek, about 50 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CDA18665  Linum lewisii var. lewisii G. D. Barbe, T. C. Fuller 1982-6-15 3714 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  SEINET6225249  Linum micranthum L. S. Rose 1967-1 67158 Plumas Mt Hough Rd, 2 mi NE of Quincy jct. Comment
  RSA101508  Listera convallarioides R. Weatherby 1955-7-4 1597 Plumas Near Rock Creek, 0.5 mile below Deane Valley 1341 Comment
  UC1135294  Lithocarpus densiflorus var. echinoides D. Axelrod 1934-6-5 2 Plumas 2 mi sw American House; Plumas National Forest, Bidwell Bar Quad. 1341 Comment
  UC1135305  Lithocarpus densiflorus var. echinoides F. W. Embree 1934-6-21 112 Plumas above Storie (at Penstocks); Plumas National Forest, Bidwell Bar Quad. 1478 Comment
  CAS-BOT-BC428432  Lithophragma tenellum Alice Eastwood 1927-6-1 s.n. Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  CAS-BOT-BC110597  Lithophragma tenellum Clare B. Hardham 1961-6-6 7469 Plumas Sierra Nevada. Diamond Peak. 2286 Comment
  RSA52838  Lithophragma tenellum R. Weatherby 1950-5-31 1439 Plumas Lake Almanor. 1418 Comment
  CHSC35937  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola on the ridges below Beckwourth Peak. 1706 Comment
  SEINET10840953  Lomatium dissectum var. multifidum Mary Susan Taylor 1982-5-17 Taylor 4465 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
  UC337569  Lomatium macrocarpum unknown Plumas Mohawk Valley Comment
  CDA12092  Lomatium nudicaule G. F. Hrusa, G. L. Webster 1989-5-1 7017 Plumas Modoc Plateau; Hwy 70 between Vinton & Beckwourth. Comment
  RSA59278  Lomatium nudicaule E. K. Balls 1950-9-4 15572 Plumas Feather River Experiment Station, Highway 24, 4 miles north of Quincy 1067 Comment
  CHSC63452  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CHSC33780  Lonicera involucrata var. involucrata M. S. Taylor 1981-7-17 4029 Plumas Sierra City NW. Ca. 1/4 mi S of Bear Lakes trailhead, Lakes Basin, ca. 6 mi S of Mohawk. 1950 Comment
  UC1075714  Lonicera involucrata var. involucrata Robert J. Weatherby 1955-6-26 1557 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  CDA34142  Lotus corniculatus L. Ahart, J. Dittes 2009-7-14 16077 Plumas on the east side if Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6.5 miles (air) south of Lake Almanor Reservoir Dam. Comment
  CDA34198  Lotus crassifolius var. crassifolius L. Ahart, J. Dittes 2009-7-13 16044 Plumas On the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butte Valley Reservoir Dam and about 3 miles (air) southwest of Lake Almanor Reservoir Dam. Comment
  JEPS115792  Lotus nevadensis var. nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15881 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line 1374 Comment
  UC862216  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15231 Plumas just n Quincy (near the river bridge) 1097 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
  CHSC21705  Lupinus F. T. Griggs; A. Pass 1975-7-1 2 Plumas East of Grizzly Creek. Comment
  CAS-BOT-BC201256  Lupinus W. Harnach; N. Harnach 1990-5-12 293 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  UC1542847  Lupinus albicaulis M. L. Conrad, LeDoux, and Kenney 1973-6-5 7050 Plumas off Hwy 70 Plumas National Forest (Plumas National Forest) 1066 Comment
  SEINET10488365  Lupinus albicaulis Mary Susan Taylor 1982-6-1 Taylor 4574 Plumas T23n,r11e,sec.6 se 1/4 of ne 1/4. Spring garden quad. Corolla white. Open dry Roadcut, 0.1 mile e of spring garden city limity sign, just s of greenhorn Ranch road, e side of hwy u0. With lupinus dalesae 1280 Comment
  RSA430408  Lupinus albicaulis subsp. wolfianus M. L. Conrad, LeDoux, Kenney 1973-6-5 7050 Plumas Plumas National Forest of Hwy. 70. 1067 Comment
  JEPS85924  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 D Plumas along top of Eureka Ridge ca 0.5 mi s of the head, Beckwourth Ranger District Bear Creek; Plumas National Forest, Johnsville Quad., Bear Creek 2103 Comment
  JEPS85918  Lupinus apertus L. P. Janeway 1990-7-12 3793 C Plumas saddle along top of Eureka Ridge ca 1.0 mi s of the head, Beckwourth Ranger District Bear Creek; Plumas National Forest, Johnsville Quad., Bear Creek 2118 Comment
  CHSC36835  Lupinus arbustus M. S. Taylor 1982-6-21 4710 Plumas Open disturbed slope ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 1/2 air mi nw of White Cap, ca. 3 air mi sw of Sloat. 1767 Comment
  JEPS85920  Lupinus arbustus L. P. Janeway 1990-7-12 3794 A Plumas top of small peak along Eureka Ridge ca 0.8 mi s of the head Bear Creek (Beckwourth Ranger District); Plumas National Forest, Johnsville Quad., s Bear Creek 2148 Comment
  JEPS85929  Lupinus arbustus L. P. Janeway 1990-6-8 3707 Plumas along rd 23N12 ca 0.8 mi n of jct with rd 23N51 (Little Long Valley, e facing side of canyon, Beckwourth Ranger District); Plumas National Forest, Mt. Ingalls Quad. 1722 Comment
  UC82141  Lupinus arbustus Mrs. R. M. Austin 1886-1 Plumas Big Meadows Comment
  RSA30591  Lupinus arbustus subsp. silvicola J. T. Howell 1951-6-28 27699 Plumas Eureka Peak. 2134 Comment
  SEINET10484736  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-8-18 Taylor 5016 Plumas T25n,r12e,sec.28 se 1/4 ne 1/4. Mount ingalls quad. Corolla pale blue. Mount Ingalls summit, ca 9 air miles ne of sloat. Montane coniferous forest; with Pinus monticola, arctostaphylos nevadensis 2551 Comment
  CAS-BOT-BC196348  Lupinus argenteus var. argenteus Janet Jones 1980-7-16 210 Plumas Frazier Falls area 1828 Comment
  CHSC36861  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-28 4754 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  SBBG68970  Lupinus argenteus var. heteranthus E. Rockwell -Jun-1925 518 Plumas Beckwourth 1508 Comment
  CAS-BOT-BC196604  Lupinus argenteus var. palmeri L. P. Janeway; Garrett Gibson 1991-7-1 4065 Plumas Along east side of Lake Davis, ca 2 1/4 mi north of the Grizzly Valley Dam 1783 Comment
  JEPS125669  Lupinus bicolor William Harnach 2013-5-10 1345 Plumas North side of the intersection of Highway 70 and Co. Rd. A-23, 1 mile West of Beckwourth, CA Comment
  CHSC97083  Lupinus breweri var. breweri Lowell Ahart; Josephine Guardino 2007-7-21 14378 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  SEINET10452034  Lupinus confertus Mary Susan Taylor 1982-7-13 Taylor 4825 Plumas T26N R9E se/nw sec 22. Greenville SW quad. Bellas Flat, s side of Round Valley Reservoir, ca. 4 mi s of Greenville. 4500 ft. Dry cobbly drainage in Mixed Coniferous Forest. 1372 Comment
  CAS-BOT-BC215396  Lupinus dalesiae Robert J. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley 2164 Comment
  CAS-BOT-BC215404  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215418  Lupinus dalesiae John Thomas Howell; R. C. Barneby 1954-5-14 29561 Plumas 11 miles NW of Blairsden 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
  CHSC88823  Lupinus dalesiae L. Hanson 1983-6-7 199 Plumas Plumas National Forest. Grays Flat. 1341 Comment
  JEPS106017  Lupinus dalesiae Lowell Ahart, Josephine Guardino 2004-5-24 10950 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  RSA71299  Lupinus dalesiae L. S. Rose 1951-6-28 s.n. Plumas Above Eureka Lake, north of Johnsville 2073 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
  SEINET10485186  Lupinus dalesiae Taylor 1982-7-12 Taylor 4817 Plumas Johnsonville quad. Corolla white pale blue and pale yellow. Along eureka Ridge, on eureka peak rd (22n75y), .5 air mi south of its jct with mcrae Meadows turnoff, ca. 6 Air mi west of mohawk. With pedicularis semibarbata. Possible hybrid with l. Dalesae x albicaulis. 2103 Comment
  SEINET10485188  Lupinus dalesiae Taylor 1982-6-16 Taylor 4688 Plumas Spring garden quad. Open bare roadcut, west side of 24n13, .5 mi south of its Jct with quincy-laport rd, ca. 4 Air mi southeast of quincy. With allium Campanulatum. 1646 Comment
  SEINET10485189  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4809 Plumas T22n r11e nw1/4se1/4 sec 10. Johnsville quad. Cobbly slope on s side of 23N09, near headwaters of bear creek, ca 5 air mi. W of mohawk. Mixed Evergreen forest. With pedicularis semibarbata, pteridium aquilinum. 1890 Comment
  SEINET10906995  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4530 Plumas T23N R10E se sec 26. Blue Nose Mt quad. On w facing rdbk, w side of Peoria Creek Rd 923N10), 13.5 mi sw of its jct with Poplar Creek just s of Sloat. Old burn now brushfields; 4800 ft. 1463 Comment
  UC338273  Lupinus grayi unknown 1889-5-26 Plumas Mohawk Valley Comment
  SEINET10490347  Lupinus grayi Mary Susan Taylor 1982-6-3 Taylor 4603 Plumas T23n r11e nw1.4ne1.4 sec 22. Johnsville quad. On serpentine cut bank, w side Of poplar creek rd (23n08), just s of bridge over poplar creek, 1 mi. S of Sloat. 1280 Comment
  SEINET6655077  Lupinus grayi P. Kenney, Dunn; Conrad 1973-6-5 436 Plumas Alon Hwy 70; 6 mi. S from Jct of Hwy 89 & 70.; 0 1067 Comment
  SEINET6655083  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterfly Creek; 2 mi S of Keddie.; 0 1036 Comment
  SEINET8042222  Lupinus grayi A. A. Heller, P. B. Kennedy 1907-7-13 8832 Plumas Between Taylorville and Little Grizzly Creek Comment
  CAS-BOT-BC329258  Lupinus latifolius subsp. longipes M. S. Taylor 1982-7-12 4824 Plumas At junction of small creek to Jamison Creek, on N side of Rd 507, just W of Plumas-Eureka State Park boundary, 2.0 mi SW of Johnsville 1767 Comment
  SEINET10489240  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-8-12 Taylor 4824 Plumas T22n r11e sw1/4se1/4 sec 27. Sierra city nw quad. Corolla purple; stems 2-3 Ft tall. At jct of small creek to jamison creek, on n side of rd 507, just w Of plumas-eureka state park boundary, 2.0 mi. Sw of johnsville. Montane Coniferous forest. With populus trichocarpa. 1768 Comment
  SBBG13881  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3816 Plumas Graeagle Comment
  UCR274638  Lupinus lepidus Daisie Huang 2006-8-11 60811- 07 Plumas Hwy 89, just past the Lake Almanor spillway 1381 Comment
  UC1129513  Lupinus lepidus var. confertus C. G. Albertus 1935-7-20 218 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  CHSC66761  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1996-8-14 8179 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  SEINET8056241  Lupinus lepidus var. sellulus A. A. Heller, P. B. Kennedy 1907-7-9 8772 Plumas Prattville Comment
  UC1075912  Lupinus onustus E. K. Balls and L. W. Lenz 1955-5-14 20712 Plumas 3.1 mi n Greenville (along Hwy 89 to Lake Alamdor) 1158 Comment
  SEINET10484151  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-14 Taylor 4832 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  SEINET8059930  Lupinus polyphyllus var. burkei A. A. Heller, P. B. Kennedy 1907-7-4 8715 Plumas Red Clover Valley Comment
  UC865152  Lupinus polyphyllus var. burkei A. A. Heller 1938-7-2 15235 Plumas just n Quincy (along highway near the Indian Creek Bridge); near the Indian Creek Bridge 1097 Comment
  UC1129676  Lupinus rivularis F. W. Embree 1934-6-12 44 Plumas 1 mi w Bucks Ranch; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
Read comments
Jul 19 2018
  SEINET10488909  Lupinus sellulus Walter Knight, Irja Knight; John Thomas Howell; Gordon H. True 1967-7-10 Knight 2225 Plumas Between trestle glen and fern glen. 1097 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
  UCD15243  Lupinus stiversii Stephen Brown 1974-5-4 111 Plumas Feather River Canyon, approximately 1 mile above Rock Creek on a gravel road. 457 Comment
  CHSC108104  Luzula cascadensis Lowell Ahart 2011-9-20 17687 Plumas Moist 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
  JEPS118426  Luzula cascadensis Lowell Ahart 2011-9-20 17687 Plumas Moist 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
  JEPS124404  Luzula cascadensis Lowell Ahart 2015-7-4 20280 Plumas About 1/2 mile west of the of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC436596  Luzula cascadensis Mary Strong Clemens 1938-7-4 s.n. Plumas Greenville Comment
  CHSC116392  Luzula comosa var. comosa Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-17 405 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  CAS-BOT-BC436680  Luzula comosa var. laxa Robert J. Weatherby 1955-6-26 1544 Plumas Mud Lake, Lakes Basin area 2103 Comment
  CHSC64480  Luzula comosa var. laxa B. Castro; G. Kuenster 1994-7-27 529 Plumas Ca 2 air mi SE of Bucks Lake, ca 2 mi E of Faggs Ranch. 0.1 mi S of the Oro-Quincy Hwy and ca 30 ft E of USFS Rd 23N19. 1691 Comment
  JEPS113869  Luzula divaricata Lowell Ahart, John Dittes 2007-8-9 14441 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  UC1584576  Lycopus uniflorus Dean W. Taylor 1990-8-20 11463 Plumas along minor unnamed tributary Little Willow Lake; Lassen Volcanic Nat'l Park, Reading Peak 7 1/2' Quad. 1844 Comment
  JEPS114613  Lythrum portula Lowell Ahart 2008-9-10 15392 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 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
  CAS-BOT-BC343782  Madia elegans John Thomas Howell 1961-9-25 36966 Plumas Vinton 1506 Comment
  CAS-BOT-BC343791  Madia elegans M. S. Taylor 1982-6-28 4767 Plumas Ramelli Ranch, near jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC344468  Madia exigua Alice Eastwood 1927-6-11 s.n. Plumas Crescent Mills Comment
  CAS-BOT-BC342867  Madia glomerata John Thomas Howell 1961-9-23 36840 Plumas Indian Valley 1082 Comment
  CHSC41885  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas Near serpentine area, about 1 mile north-west of Pilot Peak, about 14 miles north-east of la Porte. 1950 Comment
  CHSC92184  Madia glomerata Lowell Ahart; John Dittes 2005-9-19 12401 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
  JEPS120495  Madia glomerata L. P. Janeway 2012-10-17 11076 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  JEPS122167  Madia glomerata Lowell Ahart 2014-8-26 19774 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS40398  Madia glomerata W. L. Jepson 1918-8-17 8031 Plumas Sierra Valley 1524 Comment
  UC89434  Madia glomerata Mrs. R. M. Austin July 1888 Plumas Big Meadows Comment
  CAS-BOT-BC342854  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC343281  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43273 Plumas Meadow at Quincy 1036 Comment
  CHSC88005  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 Plumas On the north side of a forest road, small meadow, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
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May 24 2013
  CHSC92180  Madia gracilis Lowell Ahart; John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1986 Comment
  HSC5978  Madia gracilis L. S. Rose 1967-7-12 67170 Plumas Quincy 1037 Comment
  JEPS113596  Madia gracilis Lowell Ahart, Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CHSC2412  Maianthemum racemosum R. Carter 1965-6-21 250 Plumas Found on E side of Oroville-quincy Rd. 3.05 mi. N of Buckeye Water Hole, ca. 20' from road. 1219 Comment
  CHSC87835  Maianthemum racemosum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  UC336491  Malacothrix floccifera unknown Jul. 1883 Plumas Indian Valley Comment
  JEPS29184  Malacothrix floccifera Lauramay T. Dempster 1961-6-15 1457 Plumas s of Graeagle; Graeagle Estates 1524 Comment
  SD7598  Marah fabacea Mrs. R. M. Austin 1879-1 Plumas By meadows. 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
  CDA14038  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-8-1 13410 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC82614  Melica aristata L. P. Janeway 2001-7-3 7260 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CAS-BOT-BC282096  Melica fugax Alice Eastwood 1918-5-25 6987 Plumas Portola Comment
  CDA18751  Melica fugax G. D. Barbe, T. C Fuller 1982-7-16 3766 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
  UC1586418  Melica fugax Vernon H. Oswald and Lowell Ahart 1991-6-18 4691 Plumas ca 5.5 air mi n Greenville (nw side of Homer Lake); Homer Lake 1920 Comment
  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
  CHSC87861  Melica subulata Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11007 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1344 Comment
  CHSC88187  Melica subulata Lowell Ahart 2004-7-27 11311 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  UCD88628  Melica subulata John Thomas Howell; Gordon True, Walter and Irja Knight 1968-6-11 2410 Plumas Butterfly Botanical Area. 1097 Comment
  JEPS115200  Mentha arvensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16121 Plumas Edge of a meadow or seep, about 20 yards north 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
  CHSC96851  Mentzelia albicaulis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13990 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  POM84008  Mentzelia dispersa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SDSU8068  Mentzelia dispersa R. M. Beauchamp 1965-7-17 Plumas Growing beside the Feather River, 1/2 mile north of Chester, CA. Comment
  SD7602  Mentzelia laevicaulis Mrs. R. M. Austin 1875-1 Plumas Soda Springs Comment
  UC572286  Mentzelia montana E. Sawyer 1935-6-28 245 Plumas 1 mi sw Beckwith; Sierraville Quadrangle Comment
  UCSB15959  Micranthes fragosa Breedlove, Dennis 1962-6-12 Plumas along Highway 36, 6.9 miles west of Chester, Sierra Nevada 1524 Comment
  RSA14277  Microseris nutans Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  CAS-BOT-BC349338  Microseris nutans Anna Head 1921-7-20 s.n. Plumas Trail to Gold Lake, Feather River Region 1950 Comment
  CAS-BOT-BC349342  Microseris nutans Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. W of Pilot Pk. 1800 Comment
  CHSC118813  Microseris nutans Wendy L. Boes; Jim Battagin 2015-5-12 2015 007 B Plumas Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328 N, NAD83 Zone 19N; Elevation 792 m.) 792 Comment
  SEINET10830509  Mimulus breweri Mary Susan Taylor 1982-8-5 Taylor 4936 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  CHSC113626  Mimulus guttatus Lowell Ahart 2014-8-31 19800 B Plumas Strand, cobbles, 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
  LA209360  Mimulus guttatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC917315  Mimulus guttatus J. M. Tucker 1948-7-25 1738 Plumas sw side Camel Peak (mine of United Mining Company); Pinchard Creek 1524 Comment
  SDSU10786  Mimulus lewisii D. F. Howe 1964-7-29 3892 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CHSC110356  Mimulus moschatus L. P. Janeway 2013-7-15 11185 Plumas Northern High Sierra Nevada. Plumas National Forest: south side of Tamarack Flat close to Road 22N94. 1714 Comment
  UC569873  Mimulus nanus var. mephiticus E. Sawyer 1935-6-27 198 Plumas 1.4 mi se Crow; Sierraville Quadrangle 1706 Comment
  JEPS10979  Mimulus primuloides Rachel Wilcox 1944-8-22 Plumas 2 mi n Cascade Ranger Station; South Branch Middle Fork Feather River 1219 Comment
  RSA60240  Mimulus primuloides var. pilosellus E. K. Balls 1950-9-2 15632 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  JEPS113523  Mimulus suksdorfii Lowell Ahart, John Dittes 2007-6-16 14105 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1585905  Mimulus torreyi Barbara Ertter 1989-7-4 8684 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  UC1778575 Image available Mimulus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas Granitic sand on N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  UC1594682  Mitella breweri Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5044 b Plumas near entrance gate to Elwell Lodge (s end of campground, s margin of lake, ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd. 519)); Grass Lake, Lakes Basin Campground Comment
  UC170975  Mitella trifida H. M. Hall 1912-7-13 9357 Plumas Nelson Creek Sierra Nevada Mountains 1737 Comment
  SEINET10898325  Monardella Mary Susan Taylor 1981-8-25 Taylor 4239 Plumas California: T25N R7E nw1/4 of ne1/4 sec 11. Almanor SW quad. W side of 26N22F, road to Red Hill Lookout, on serpentine, ca. 5 air mi NE of Belden. Plumas County. 6300 ft. 1920 Comment
  CHSC35288  Monardella follettii M. S. Taylor 1981-8-25 4239 Plumas W side of 26N22F, rd to Red Hill Lookout, ca. 5 air mi ne of Belden. 1584 Comment
  JEPS102225  Monardella follettii L. P. Janeway 2001-8-5 7426 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  SBBG124928  Monardella follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (NE slope of Red Hill), E branch of North Fk Feather River [ISOTYPE] 1280 Comment
  SJSU15281  Monardella follettii S. Woolhouse 2010-7-20 3 Plumas Near old mine barrens and Bean Hill. Along forest service road 25N17. Comment
  UCD125055  Monardella follettii L. P. Janeway; Linnea Hanson, Perrie Cobb 1993-7-19 4461 Plumas Plumas National Forest. Quincy Ranger District. Southwest side of the top of Big Hill. 1874 Comment
  SEINET10829411  Monardella follettii A. Graff 1993-7-23 Graff 334 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
  JEPS122179  Monardella odoratissima subsp. glauca Lowell Ahart 2014-8-26 19788 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SEINET10498942  Monardella odoratissima subsp. glauca Mary Susan Taylor 1982-7-21 Taylor 4897 Plumas T23N R10E sw/nw sec 14. Onion Valley quad. Summit of Little Volcano, ca. 5 mi se of Quincy. 5801 ft. Dry rocky outcrop. 1768 Comment
  CAS-BOT-BC222105  Monardella odoratissima subsp. pallida John Thomas Howell 1960-7-20 35789 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CAS-BOT-BC222109  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1973-7-31 50114 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC61986  Monardella odoratissima subsp. pallida L. P. Janeway 1993-8-5 4502 Plumas Plumas National Forest. About 1.3 mi northwest of Pilot Peak; along the Quincy-La Porte Road (Road 511) 0.4 mi southwest of Onion Valley Creek crossing. 1895 Comment
  JEPS118428  Monardella odoratissima subsp. pallida Lowell Ahart 2011-9-20 17685 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  JEPS122098  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. Comment
  JEPS51854  Monardella odoratissima subsp. pallida Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC222113  Monardella odoratissima subsp. pallida Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek, rangers station Comment
  CAS-BOT-BC222117  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50639 Plumas Headwaters of Indian Creek southeast of Diamond Mt. 2164 Comment
  UC2035888  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1941-7-20 Plumas 10 miles east of Quincy on road to La Porte. 1981 Comment
  CAS-BOT-BC220244  Monardella sheltonii John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CAS-BOT-BC220481  Monardella sheltonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CAS-BOT-BC220492  Monardella sheltonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54303 Plumas East side of Indian Valley just north of Taylorsville 1112 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
  SEINET10961426  Monardella sheltonii A. Graff 1993-7-22 Graff 320 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, 1.15 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on the right roadside. T25N,R7E,S13. Past flowering. Comment
  SEINET10582232  Monardella villosa subsp. villosa A. Graff 1993-7-22 Graff 321 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from Hwy. 70, on both sides of the road. T25N,R7E,S17. Locally infrequent, with Pseudotsuga menziesii, Pinus ponderosa, Quercus sp. Comment
  CDA14594  Montia chamissoi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3078 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CAS-BOT-BC445094  Montia linearis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2080 Plumas Butterfly Botanical Area and Vicinity 1127 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
  UC635320  Montia linearis H. L. Mason 1924-6-18 1052 Plumas n of Graeagle Comment
  CAS-BOT-BC445191  Montia parvifolia Lewis S. Rose 1963-6-2 63077 Plumas Rock Creek. North Fork of Feather River 640 Comment
  CHSC102645  Muhlenbergia filiformis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16142 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
  CHSC113872  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 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. 1810 Comment
  CHSC54549  Muhlenbergia filiformis Vernon H. Oswald 1991-8-5 4802 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On margins of lake. 1844 Comment
  CHSC75957  Muhlenbergia filiformis G. F. Hrusa 1996-8-2 13432 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine Rock and Taylor Rocks, 1 mi. NW of Argentine Rock. Old roadbed; trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  JEPS122306  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  RSA59838  Muhlenbergia filiformis E. K. Balls 1950-9-14 15810 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  RSA60243  Muhlenbergia filiformis E. K. Balls 1950-9-2 15635 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  CAS-BOT-BC275032  Muhlenbergia richardsonis L. W. Swift 1934-7-13 98 Plumas Murdock Crossing, Plumas Forest 1737 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
  JEPS113735  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2007-6-17 14201 Plumas along Red Clover Creek, about 30 yds E of County Road 111 (Beckwourth Gensee Road), about 1/4 mi E of bridge across Red Clover Creek, Red Clover Valley, about 2 mi (air) N of the N end of Lake Davis 1654 Comment
  RSA0106684  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1534 Comment
  RSA182988  Myosotis discolor Clare B. Hardham 1961-6-15 7404 Plumas Graeagle. 1372 Comment
  SD46645  Myosotis scorpioides Robert J. Weatherby 1950-7-2 1443 Plumas Mill Creek, East Quincy 1064 Comment
  POM252795  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. 1098 Comment
  CAS-BOT-BC392265  Myosurus apetalus Herbert L. Mason 1952-7-17 14381 Plumas Sierra Nevada. Along Western Pacific tracks just south of Beckwourth. Sierra Valley 1524 Comment
  CAS-BOT-BC392269  Myosurus apetalus John Thomas Howell 1962-6-19 37857 Plumas 5.5 miles e. of Beckwourth 1493 Comment
  CAS-BOT-BC83340  Myosurus minimus A. A. Heller; P. B. Kennedy 1907-7-2 8681 Plumas Between Vinton and Beckwith. Comment
  SEINET8693489  Myosurus minimus W. Harnach 1989-4-16 032 Plumas Sierra Valley, Marble Lane, 0.75 W of Steel Bridge. 1487 Comment
  CDA37311  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Lake Davis, Eagle Point. 0 Comment
  CHSC81622  Myriophyllum sibiricum Lowell Ahart 2001-10-8 9334 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS102520  Myriophyllum sibiricum Lowell Ahart 2001-9-18 9278 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CHSC28921  Nama lobbii L. Hanson 1979-7-16 37 Plumas On north slope of Mt. Ararat near junct of roads from Lookout Rock and Little Bear Creek. Comment
  CHSC43338  Nama lobbii Lowell Ahart 1975-7-16 884 Plumas In a small open flat, about 1 mile north of Little Grass Valley Reservoir, about 5 miles north of La Porte. 1828 Comment
  JEPS1361  Nama lobbii W. L. Jepson 1939-7-31 19314 Plumas s slope Spanish Peak 2042 Comment
  RSA101388  Nama lobbii R. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  SD46637  Nama lobbii Robert J. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  JEPS102616  Narthecium californicum Lowell Ahart 2001-7-11 8892 Plumas Small meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  UCD130288  Narthecium californicum Albert Grigarick 2011-8-15 295 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1885 Comment
  RSA600527  Narthecium californicum Louis C. Wheeler 1959-7-16 7576 Plumas Butterfly Valley. Comment
  SEINET8501717  Narthecium californicum M. J. Williams, H. Mozingo 1960-7-12 s.n. Plumas Butterfly Valley. Comment
  HSC22873  Nasturtium officinale John Pratt 1970-6-19 25 Plumas Intersection of Rock Creek and Hwy. 36 Comment
  CHSC89496  Navarretia breweri G. D. Barbe; T. C. Fuller 1982-6-17 3821 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
  RSA726407  Navarretia breweri L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13996 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CHSC44317  Navarretia capillaris Lowell Ahart 1979-7-18 1984 Plumas In a meadow, near Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CHSC54409  Navarretia capillaris Vernon H. Oswald 1991-7-8 4701 .1 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. On the creek bank. 1676 Comment
  CHSC20843  Navarretia divaricata K. R. Stern 1975-7-23 5814 Plumas SE shore of Lake Almanor. 1371 Comment
  CHSC21544  Navarretia divaricata L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Comment
  CDA18488  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3370 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  JEPS110189  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-3 12905 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the west edge of a dry open basalt flat 1527 Comment
  RSA537478  Navarretia divaricata subsp. vividior Barbara Ertter, Gary Schoolcraft 1989-7-3 8648 Plumas Below Red Rock lookout, ca 8 airmiles S of Susanville. 2256 Comment
  UC908133  Navarretia intertexta Herbert L. Mason 1924-6-20 1081 Plumas near Gold Lake (along trail from Gold Lake to Graeagle Camp) Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC116155  Navarretia intertexta subsp. propinqua Lowell Ahart 2015-7-4 20279 Plumas About 150 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
  UCD48465  Navarretia intertexta subsp. propinqua John M. Tucker 1948-7-24 1717 Plumas Near road from Cascade to Camel Peak, Plumas County, California. 1615 Comment
  CDA13945  Navarretia leptalea G. F. Hrusa 1997-6-26 13883 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
  CHSC21192  Navarretia leptalea F. T. Griggs; A. Pass 1975-7-10 150 Plumas Buck's Lake. Comment
  SBBG100014  Navarretia leptalea B. Ertter 1989-7-4 8681 Plumas 2.2 mi W of jct with St Hwy 89 and St Hwy 36, SW of Chester 1463 Comment
  JEPS122301  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  UC908965  Navarretia leptalea subsp. leptalea Herbert L. Mason 1924-6-20 1086 Plumas Gold Lake 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
  CHSC40999  Nemacladus capillaris J. D. Jokerst 1984-7-11 2104 B Plumas Logging road indicated as trail on USGS maps, west of South Branch Ward Cr. NW of falls. 1584 Comment
  SEINET10905841  Nemacladus capillaris Chisaki 1956-6-1 CHISAKI 902 Plumas On slope north of road, along State Highway 89, 6.7 miles west of Virgilia Comment
  RSA189380  Nemophila heterophylla L. S. Rose 1967-5-6 67057 Plumas North Fork, Feather River. Injun Jim Cam. 610 Comment
  CHSC96894  Nemophila parviflora var. austiniae Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13998 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
  UC1586424  Nemophila parviflora var. austiniae Vernon H. Oswald and Lowell Ahart 1991-6-18 4690 Plumas ca 5.5 mi (air) n Greenville (nw side of Homer Lake); Homer Lake, n of Greenville 1920 Comment
  RSA101448  Nemophila parviflora var. austiniae R. Weatherby 1955-7-2 1590 Plumas Wilcox Valley. 1768 Comment
  UC606950  Nemophila parviflora var. austiniae L. Constance 1938-6-10 2318 Plumas 3.2 mi n Prattville (ne end Lake Almanor); , n of Prattville 1524 Comment
  UC606940  Nemophila pedunculata L. Constance 1938-6-10 2320 Plumas near Lake Almanor (Feather River at Chester); , nr Lake Almanor 1219 Comment
  UC726909  Nemophila pedunculata A. A. Heller 1942-5-8 16458 Plumas 2 mi w Paxton (along State Highway #24); w of Paxton Comment
  POM247399  Nemophila spatulata Lincoln Constance 1938-6-10 2319 Plumas Feather River at Chester, near Lake Almanor. 1220 Comment
  CAS-BOT-BC60558  Noccaea fendleri subsp. glauca Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile southwest of Pilot Peak. 1800 Comment
  UC1075662  Nuphar lutea subsp. polysepala Robert J. Weatherby 1950-7-28 1497 Plumas Snake Lake near Quincy; Snake Lake 1219 Comment
  UC635508  Nuphar lutea subsp. polysepala H. L. Mason 1924-6-20 1089 Plumas in a lily pond near Greagle Lodge Comment
  SEINET10535877  Nuphar polysepala Mary Susan Taylor 1981-6-25 Taylor 3947 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, ca. 1/8 mi S of Hwy 70, ca. 0.5 mi SW of Beckwourth. Sagebrush Scrub around North Fork Feather River, open and treeless; dry sandy soil. 4900 ft elev. 1493 Comment
  HSC16426  Oenothera cespitosa W. R. Rogers 1966-6-21 241 Plumas 2 mi. N of Chilcoot 1524 Comment
  CDA38150  Oenothera deltoides subsp. piperi T. C. Fuller 1968-7-1 17323 Plumas Sierra Nevada; Hwy 70 to Beckwourth, 1 mile east of Vinton, Sierra Valley. 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
  RSA88503  Oenothera villosa subsp. strigosa J. T. Howell 1951-8-20 28197 Plumas Indian Valley. 1067 Comment
  CAS-BOT-BC355572  Oreostemma alpigenum var. andersonii Anna Head 1921-7-14 s.n. Plumas Meadows near Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC327748  Oreostemma elatum M. Lavin 1982-6-27 4149 Plumas Sierra Buttes country, 4 miles up Gold Lake Road from Graeagle. 1706 Comment
  RSA0037146  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas United States, California, Plumas County. Snake Lake near Quincy. Comment
  CHSC66705  Orobanche californica subsp. grayana Vernon H. Oswald; Lowell Ahart 1996-8-1 8131 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dryer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Meadow. 1432 Comment
  CAS-BOT-BC499778  Orobanche californica subsp. grayana Greg Sommers; Fred Sommers 1976-7-26 186 Plumas Sierra Nevada: Sierra Valley. Along main waterway, S of Marble Lane 1487 Comment
  RSA0083182  Orthilia secunda J. G. Lemmon s.n. Plumas [Unspecified] Comment
  CAS-BOT-BC238432  Orthocarpus W. Harnach; N. Harnach 1990-5-27 326 Plumas Sierra Valley. Harriot Lane, one mile south of Dyson Lane 1485 Comment
  UC1032381  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC316894  Packera eurycephala var. lewisrosei John Thomas Howell 1973-7-9 49701 Plumas near Rich Bar 762 Comment
  CAS-BOT-BC316900  Packera eurycephala var. lewisrosei John Thomas Howell; Gordon H. True 1967-6-13 42589 Plumas East branch of North Fork of Feather River, 4 miles from Rich Bar on road to Virgilia 822 Comment
  NY243409  Paeonia brownii Mrs. Ames 1876-1 s.n. Plumas Comment
  CAS-BOT-BC121010  Paeonia brownii Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas At Johnsville on road to Gibsonville. 1615 Comment
  UCD150435  Paeonia brownii T. Stone 1966-4-21 s.n. Plumas Mountain Meadows. Comment
  UCD89135  Panicum acuminatum var. acuminatum Malcolm A. Nobs; S. Galen Smith 1949-8-19 1436 Plumas Bog and marsh at Butterfly Valley. Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253737  Panicum capillare John Thomas Howell 1960-7-20 35761 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CHSC57315  Parnassia palustris L. P. Janeway 1984-9-1 1137 Plumas On Sierra crest, near drainage channel draining northwest (towards Jamison Lake). In soggy meadow bordering a small pond. 2164 Comment
  CHSC21540  Pedicularis attollens D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake Forest Service Survey. Comment
  UC174565  Pedicularis attollens A. A. Heller with P. B. Kennedy 1907-7-9 8795 Plumas Prattville Comment
  JEPS95591  Pedicularis racemosa Lowell Ahart 1994-7-28 7543 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  UC171622  Pedicularis racemosa Mrs. R. M. Austin 1879-1 Plumas Spanish Creek Comment
  CHSC49021  Pedicularis semibarbata Vernon Oswald 1986-6-6 2083 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  RSA71071  Pedicularis semibarbata L. S. Rose 1951-6-28 51058 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  UC1012475  Pedicularis semibarbata Francis W. Pennell Jun 10 1940-Jun 11 1940 25804 Plumas e of Almanor (Route 89) 1463 Comment
  CHSC36311  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas At end of 23N49Y, ca. 2 air mi w of White Cap, ca. 5 air mi sw of Sloat. 1645 Comment
  UC401276  Pellaea brachyptera unknown 1890-1 Plumas 2438 Comment
  CAS-BOT-BC69357  Pellaea brachyptera Emily K. Mcpherson 1976-11-7 76 32 -1 Plumas Portola Quad. 5 miles north of Beckwourth 1920 Comment
  CAS-BOT-BC69362  Pellaea breweri Wayne D. Dakan 1973-8-6 s.n. Plumas Thompson Peak near the look-out Comment
  CAS-BOT-BC67612  Pellaea bridgesii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake region Comment
  SD9640  Pellaea bridgesii J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  POM197141  Pellaea mucronata J. G. Lemmon 1883-07 s.n. Plumas Indian Valley Comment
  UC1861788  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-21 1078 Plumas Hwy 70, across North Fork of Feather River from P.G.& E. E. Rogers Flat facility. 670 Comment
  UC1017704  Penstemon deustus var. deustus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1738 Plumas gravelly slide below Humboldt Summit; Sierra Nevada, below Humboldt Summit Comment
  NY609825  Penstemon deustus var. suffrutescens F. S. Crosswhite 1960-6-8 930 Plumas Plumas National Forest, 1 mile south of Indian Falls 1158.2 Comment
  NY600759  Penstemon gracilentus R. C. F. Bacigalupi 1927-7-11 1711 Plumas Near Grassy Lake Meadows, Gold Lake Region 1889.8 Comment
  POM255777  Penstemon gracilentus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1739 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  RSA59355  Penstemon gracilentus E. K. Balls 1950-9-2 15620 Plumas 2.5 miles towards Mt. Ingalls Lookout after turn off from Ramelli to Walker Mine. 1951 Comment
  SEINET10547983  Penstemon gracilentus F. Marion Ownbey, Ruth P. Ownbey 1938-7-14 Ownbey 1739 Plumas Dry slope, below humboldt summit, sierra nevada. Comment
  CAS-BOT-BC27139  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  CHSC21655  Penstemon neotericus D. Brink; L. Mayer 1975-7-18 Plumas Hilltop ca. 1/4 mile w. of sect. 25-26 jct. s. edge of sect. 26. Buck's Lake Forest Service Survey. Comment
  JEPS11629  Penstemon neotericus W. L. Jepson 1939-7-31 19307 Plumas lower slopes Spanish Peak Spanish Peak, lower slopes 2011 Comment
  UC139042  Penstemon neotericus Mrs. R. M. Austin July 1896 485 Plumas Lassens Peak Comment
  RSA0006195  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  RSA519226  Penstemon neotericus Karl Vincent, Charlotte A. Labbe 1987-8-10 4505 Plumas Sierra Nevada, Tobin Ridge, N Fork Feather River Canyon. Along W side of CA 70,ca 7.4 miles SW of Beldon Town. 640 Comment
  RSA6234  Penstemon neotericus D. D. Keck 1932-7-6 1719 Plumas 12 miles west of Chester. 1585 Comment
  UC887185  Penstemon neotericus M. and P. Ownbey 1938-7-14 1742 Plumas Comment
  UCR3612  Penstemon newberryi Wm. Horn Jr. 1963-6-29 630629- 2 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC239287  Penstemon newberryi var. berryi Anna Head 1920-6-15 s.n. Plumas At Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC239301  Penstemon newberryi var. berryi Gladys L. Smith 1976-6-7 4590 Plumas Central area of summit ridge, secondary road from Rte. 70 to La Porte 1950 Comment
  JEPS26689  Penstemon newberryi var. newberryi P. C. Hutchison 1961-6-9 2128 Plumas 1/2 mi n of the dam along the road to Greenville (e side of Round Valley Reservoir); e side Round Valley Reservoir, road to Greenville Comment
  SEINET10547621  Penstemon oreocharis Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3888 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  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
  CHSC88826  Penstemon personatus L. Hanson 1981-7-22 156 Plumas Plumas National Forest. Hartman Bar Ridge. 1615 Comment
  CHSC88981  Penstemon personatus L. Hanson 1988-8-22 329 Plumas Plumas National Forest. Buckhorn Creek. 1676 Comment
  NY630463  Penstemon personatus D. M. Thompson 1988-7-23 973 Plumas 3.1 road miles north of Bucks Lake Road (and Meadow Valley) on Schneider Creek Road. At junction of Schneider Creek Road (USFS Road 23N16) and USFS Road 24N47X (to Big Creek); Bucks Lake NE Quad. 1585.0 Comment
  SEINET11097927  Penstemon personatus D. M. Thompson 1988-1 973 Plumas 3.1 road miles north of Bucks Lake Road (and Meadow Valley) on Schneider Creek Road. At junction of Schneider Creek Road (USFS Road 23N16) and USFS Road 24N47X (to Big Creek); Bucks Lake NE Quad. 1585 Comment
  CDA14131  Penstemon roezlii G. F. Hrusa 1997-5-3 13821 Plumas Sierra Nevada; W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC113628  Penstemon roezlii Lowell Ahart 2014-8-31 19828 Plumas Strand, gravel bars along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS126588  Penstemon roezlii Lowell Ahart 2016-6-29 21074 Plumas East part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET4207724  Penstemon roezlii Mikel R. Stevens 2011-8-27 214 Plumas Near intersection of Big Creek Rd with Red Rd, 4.7 miles E of of Bucks Lake on Big Creek Rd. Ca 4.6 air miles SW of Meadow Valley.; 0 1625 Comment
  CAS-BOT-BC239584  Penstemon rydbergii var. oreocharis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Natl. Park Comment
  SEINET8512833 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, Patricia K. Holmgren 2014-1 16549 Plumas Sierra Nevada, meadow south of Lake Almanor on the south side of State Route 89, 0.8 km (0.5 mi) west of Canyondam and 0.3 km (0.2 mi) west of the State Route 147 turnoff 1388 Comment
  UC565599  Penstemon rydbergii var. oreocharis Herbert L. Mason 1926-6-19 1085 Plumas Gold Lake Comment
  SEINET5329701 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-9 8780 Plumas Prattville Comment
  JEPS15474  Penstemon speciosus Joseph and Hilda W. Grinnell 1938-6-11 1091 a Plumas Mohawk 1341 Comment
  NY660814  Penstemon speciosus D. W. McNeal 1995-7-16 4126 Plumas On the slopes around the Gray Eagle trailhead to Smith and Long Lakes, Plumas National Forest. Comment
  UCD148562  Perideridia G. Ledyard Stebbins 1986-6-29 C 612 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
  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
  SBBG5162  Perideridia gairdneri H. and M. Dearing 1938-7-1 2263 Plumas Greenville Comment
  JEPS14085  Perideridia lemmonii W. L. Jepson 1939-8-4 19338 Plumas Rock Creek Meadow Valley 1219 Comment
  RSA0039542  Perideridia lemmonii Lowell A. Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank 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
  CHSC102017  Perideridia parishii subsp. latifolia L. P. Janeway; B. Castro 2009-8-29 9942 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  CHSC112514  Perideridia parishii subsp. latifolia L. P. Janeway 2014-7-15 11535 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC413555  Persicaria amphibia V. Oswald; L. Ahart 1988-8-4 3668 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CHSC34304  Persicaria hydropiper L. Ahart 1981-9-6 3069 Plumas On a sand bar along Indian Creek, ca. 0.5 mi s w of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC419043  Persicaria lapathifolia Thomas H. Kearney 1944-8-14 43 Plumas Near Prattville, Lake Almanor Comment
  CHSC23615  Persicaria lapathifolia J. Cox 1975-7-4 Plumas SE side of Lake Almanor. 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
  CAS-BOT-BC419231  Persicaria maculosa Lowell Ahart 1981-9-6 3096 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC32825  Petasites frigidus var. palmatus W. Michael Foster 1981-4-26 11 Plumas Along Thompson creek and the Quincy-La Porte rd., ca. 2 mi se of East Quincy. Flood plain. 1082 Comment
  UC1552741  Phacelia californica Frederica Bowcutt 1985-6-6 556 Plumas along Beckwourth Genesee Rd 1.8 mi n Drum Bridge (about 15 air mi n of Quincy); Plumas National Forest Comment
  UC1208874  Phacelia hastata C. W. Hanks 1934-8-6 3 Plumas Upper Sierra Valley Plumas National Forest, Sierraville Quadrangle 1554 Comment
  CDA12151  Phacelia hastata subsp. hastata G. F. Hrusa, J. Dinsdale 1989-6-27 7221 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  RSA0091951  Phacelia heterophylla subsp. virgata Bonnie C. Templeton 1968-1 11271 Plumas [No location information on label.] Comment
  JEPS26571  Phacelia linearis Lauramay T. Dempster 1961-6-16 1464 Plumas ridge n Red Rock (n of Engelmine) 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
  RSA88081  Phacelia mutabilis J. T. Howell 1951-6-26 27531 Plumas Near Rich Bar. 793 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-BC128861  Philadelphus John Thomas Howell 1962-6-16 37635 Plumas Lewisia Rock, Feather River North Fork - Sierra Nevada 640 Comment
  CAS-BOT-BC250777  Phleum alpinum Leo Whitney 1934-8-6 2242 Plumas Nw. end of Grizzly Valley, Freeman Creek Comment
  CHSC97086  Phleum alpinum Lowell Ahart; Josephine Guardino 2007-7-20 14342 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  RSA59151  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake, in meadow sloping to two smaller lakes 2134 Comment
  CAS-BOT-BC260843  Phleum pratense John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-7-10 2177 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC260847  Phleum pratense John Thomas Howell 1961-9-23 36817 A Plumas Greenville, Sierra Nevada Comment
  RSA467449  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas west side of Lake Almanor 1829 Comment
  RSA59827  Phleum pratense E. K. Balls 1950-9-15 15844 Plumas 6 miles NW of Chester, North Fork Feather River 1402 Comment
  CDA18595  Phlox diffusa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3264 Plumas Sierra Nevada; Summit of Mt. Hough. 2194 Comment
  UC535991  Phlox diffusa Elmer I. Applegate 1929-6-21 5818 Plumas Warner Valley, Kelly's Camp Mt. Lassen Region Comment
  CHSC53208  Phlox diffusa subsp. diffusa L. P. Janeway 1989-6-26 3400 Plumas Ridgetop between Crocker Mdw and the head of Mapes Cyn. 1813 Comment
  JEPS69998  Phlox speciosa subsp. occidentalis W. I. Follett 1934-5-27 14 Plumas Red Hill 1524 Comment
  RSA114445  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
  RSA304899  Phlox speciosa subsp. occidentalis J. R. Shevock 1972-5-19 1795 Plumas Highway 89; Crescent Mills 1006 Comment
  CHSC118809  Phlox stansburyi var. brevifolia Chelsea Morgan 2016-6-5 2016 -007 Plumas Diamond Mountains, ridge to west of Aspen Flat (UTM 700941 E, 4463171 N, NAD83 Zone 10 North; Elevation 7200 ft.) 2194 Comment
  CHSC89302  Phoenicaulis cheiranthoides G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16331 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC9732  Pinus contorta subsp. murrayana Nancy Mosman 1971-7-17 111 Plumas Along e side of Hwy 32 ca. 3.8 mi s of Chester, Calif. 1371 Comment
  UCD69324  Pinus contorta subsp. murrayana Patsy Barry 1984-5-28 30 Plumas Benner Creek Campground. 1706 Comment
  SEINET10530759  Pinus jeffreyi Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  NY43411  Pinus lambertiana J. B. Walker 1994-8-2 867 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY61633  Pinus lambertiana H. E. Brown 1897-8-15 671 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
  CHSC33884  Pinus ponderosa M. S. Taylor 1981-7-21 4074 Plumas NE corner of jct 25N42 and 401, above squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  NY62290  Pinus ponderosa E. I. Applegate 1929-6-22 5882 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
  RSA286275  Piperia transversa Robert F. Thorne 1974-7-30 45016 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CHSC102060  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-15 16088 Plumas On dry rocky soil, open forest, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC50568  Piperia unalascensis L. P. Janeway 1990-7-2 3753 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  UC1075675  Plagiobothrys cognatus Robert J. Weatherby 1955-7-2 1585 Plumas Wilcox Valley 1767 Comment
  CHSC100366  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  SEINET13710643  Plagiobothrys cusickii Lowell William Ahart, Lowell William Ahart 2001-1 9231 Plumas Bottom of Little Last Chance Creek, Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  RSA718443  Plagiobothrys scouleri var. hispidulus L. Ahart 2006-7-9 12926 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  CHSC95022  Plantago major Lowell Ahart 2006-10-23 13482 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS102611  Plantago major Lowell Ahart 2001-10-16 9382 Plumas On the north side of Round Valley Reservoir, just below the road, about 2 1/2 miles SW of Greenville. 1365 Comment
  SEINET10499816  Plantago major Mary Susan Taylor 1982-8-23 Taylor 5033 Plumas T25N R9E ne/ne sec 19. Almanor SE quad. Along rd on e side of Dutch Creek, just s of RR underpass (#275), ca. 1/4 mi e of Twain. 3100 ft. 945 Comment
  RSA508638  Platanthera leucostachys Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  UC170985  Pleuricospora fimbriolata H. M. Hall 1912-6-29 9297 Plumas Meadow Valley 1219 Comment
  CAS-BOT-BC261053  Poa Catherine Best 1983-8-29 874 Plumas Lakes Basin Campground, Sierra Nevada 1920 Comment
  UCD32545  Poa Beecher Crampton 1954-5-11 1876 Plumas Plumas - Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC244375  Poa annua Mary S. Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC254766  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS107634  Poa bolanderi Lowell Ahart, Josephine Guardino 2005-8-9 12278 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  SACT001810  Poa bolanderi Michael Baad 1976-8-7 Plumas 1 mile west of trail head to Bear lake to trail head along road ro Rubicon Springs from Lake Tahoe. 2011.0 Comment
  CHSC57464  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 1/3 mi west of Middle Fork Feather River and ca 300 ft east of Hwy 70. 1484 Comment
  CAS-BOT-BC255124  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3.25 miles ENE of Beckwith Butte 1493 Comment
  CHSC97613  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2007-6-16 14112 Plumas On dry soil, east of a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC639543  Poa cusickii subsp. cusickii G. L. Stebbins Jr. 1939-7-9 2933 Plumas Meadow View Ranger Station 1889 Comment
  CAS-BOT-BC255915  Poa nervosa W. W. Wagner 1919-5-25 265 Plumas Squirrrel Creek , vicinity of Quincy 1584 Comment
  CAS-BOT-BC247271  Poa palustris John Thomas Howell; Gordon H. True 1969-6-23 45830 Plumas On Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC247281  Poa palustris L. P. Janeway 1991-8-4 4120 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley 1691 Comment
  SEINET10954398  Poa palustris Lawrence P. Janeway 1990-1 Janeway 3832 Plumas Along edges of Meadow Cr (dry) ca. half-way between Red Clover Cr and Mt. Ingalls. Shaded in white fir forest; NE'erly drainage; with Carex nervina, C. heteroneura, Potentilla glandulosa. 2042 Comment
  CHSC94239  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS113730  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2007-6-17 14189 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
  RSA300157  Poa secunda J. T. Howell 1962-6-17 37705 Plumas Portola 1463 Comment
  CAS-BOT-BC242963  Poa secunda subsp. secunda David D. Keck 1944-7-8 5441 Plumas S end of Lake Almanor, E side of dam 1341 Comment
  CAS-BOT-BC242967  Poa secunda subsp. secunda John Thomas Howell 1951-6-27 27637 Plumas Jamison Creek 1828 Comment
  LA12623  Poa secunda subsp. secunda P. B. Kennedy; A. A. Heller 1907-7-3 8706 Plumas above Red Clover Valley Comment
  UC1132855  Poa secunda subsp. secunda E. Sawyer 1935-5-23 33 Plumas 1 1/2 mi sse Kerby; Sierraville Quadrangle Comment
  CAS-BOT-BC244148  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC244166  Poa trivialis John Thomas Howell; Gordon H. True 1968-6-10 44551 Plumas Quincy 1036 Comment
  RSA52850  Polygonum arenastrum R. Weatherby 1950-7-21 1468 Plumas East Quincy. 1037 Comment
  JEPS81646  Polygonum aviculare subsp. aviculare M. S. Taylor 1982-9-8 5112 Plumas near Bellas Creek (w side of Round Valley Reservoir, ca 4 air mi s of Greenville); Greenville SW quad, Bellas Fault 1371 Comment
  CAS-BOT-BC414220  Polygonum aviculare subsp. depressum John Thomas Howell 1961-9-22 36808 Plumas Greenville 1088 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
  POM104624  Polygonum bistortoides Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC584340  Polygonum davisiae G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2248 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  CDA15371  Polygonum douglasii G. F. Hrusa 1997-6-26 13886 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CAS-BOT-BC414544  Polygonum douglasii Lewis S. Rose 1932-9-5 32610 A Plumas Grass Lake 1584 Comment
  JEPS107708  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes 2005-9-19 12403 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  JEPS114557  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 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
  JEPS50556  Polygonum douglasii subsp. douglasii W. L. Jepson 1939-8-4 19330 Plumas Rock Creek Meadow Valley 1219 Comment
  CHSC20806  Polygonum douglasii subsp. johnstonii K. R. Stern 1975-7-23 5843 Plumas W shore of Lake Almanor. 1371 Comment
  JEPS50553  Polygonum douglasii subsp. spergulariiforme W. L. Jepson 1939-8-12 19407 Plumas Ferris Creek; branch of Last Chance Creek 1767 Comment
  POM104561  Polygonum kelloggii Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  CHSC40410  Polygonum minimum Lowell Ahart 1985-7-11 5139 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
  JEPS48671  Polygonum phytolaccifolium Esther C. Fritz 1933-7-28 Plumas Schneider meadow Camp Califorest (below camp) 1188 Comment
  RSA122753  Polygonum phytolaccifolium B. O. Schreiber 1938-7-10 2530 Plumas 1/4 mile S of University of California Forestry Camp, near Meadow Valley. 1098 Comment
  RSA609419  Polygonum phytolaccifolium Louis C. Wheeler 1958-7-28 7337 Plumas Sierra Nevada: ca. 1/4 mile S of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CAS-BOT-BC419886  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 s.n. Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC420052  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1986-7-8 5361 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  JEPS51281  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1910-6-5 4075 Plumas Hot Springs Valley Lassen Pk. 1706 Comment
  CAS-BOT-BC420048  Polygonum polygaloides subsp. kelloggii D. E. Breedlove 1962-6-12 3432 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC420208  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC421041  Polygonum spergulariiforme L. P. Janeway 1993-9-23 4602 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feaether River. 1498 Comment
  SEINET10479684  Polygonum spergulariiforme Mary Susan Taylor 1982-9-8 Taylor 5118 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SJSU14707  Polygonum spergulariiforme N. A. Hopkins 1991-7-3 1695 Plumas by rd to Janesville just N of Red Clover Valley 1524 Comment
  CAS-BOT-BC237270  Polypogon monspeliensis John Thomas Howell 1961-9-24 36908 Plumas Feather River bed SW of Beckwourth 1487 Comment
  RSA718497  Polystichum imbricans L. Ahart 2006-10-23 13470 -A Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek,, About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast o 1282 Comment
  RSA0045588  Polystichum imbricans subsp. curtum Lowell Ahart 2012-7-1 18247 Plumas On the west side of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 834 Comment
  JEPS110549  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-10-23 13470 Plumas By large rocks on the west mountain side of Slate Creek (there is a large gravel flat caused by the dam), about 50 yards north 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 1281 Comment
  UC1523809  Polystichum imbricans subsp. imbricans Gary Schoolcraft 1982-8-2 842 Plumas w Crescent Mills 1219 Comment
  CHSC101494  Polystichum lemmonii L. P. Janeway; Melanie Williams 2009-8-26 9929 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, about 110 m north-northwest of and below the Buckhorn survey monument. 1921 Comment
  CHSC95278  Polystichum lemmonii L. P. Janeway; David Toren 2006-11-7 8941 Plumas Northern High Sierra Nevada. Plumas National Forest; Rogers Lake, in a bowl/cirque imbedded in steep northern slope of Red Mountain, 1.2 km south of the confluence of Little Grizzly Creek and Grizzly Creek. 1629 Comment
  SFV10666  Polystichum munitum M. L. Vincent 1968-6-10 855 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CHSC97802  Polystichum scopulinum L. P. Janeway 2007-8-12 9165 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1652 Comment
  UC185196  Polystichum scopulinum Mrs. Carlotta C. Hall 1912-7-19 9367 Plumas near Nelson Point Schoolhouse (Middle Fork Feather River) 1219 Comment
  SEINET10349453  Populus trichocarpa D. Nyquist 1960-5-20 34 Plumas Quincy. Comment
  SEINET10873430  Porterella carnosula Quick 1952-9-5 QUICK 52 -308 Plumas Wet place northwest of Almanor Comment
  CAS-BOT-BC233726  Portulaca John Thomas Howell 1961-9-24 36916 Plumas Feather River bed SW of Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC445275  Portulaca oleracea John Thomas Howell; Gordon H. True 1974-7-29 50620 Plumas Quincy 1036 Comment
  CAS-BOT-BC267123  Potamogeton Robert J. Weatherby 1950-7-28 1504 Plumas Near Indian Creek, 2 miles S of Crescent Mills 1036 Comment
  CAS-BOT-BC267205  Potamogeton foliosus Malcom A. Nobs; S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  CAS-BOT-BC494115  Potamogeton gramineus W. Harnach; N. Harnach 2000-8-2 973 Plumas Sierra Valley. 0.5 mi W of Steel Bridge on Marble Lane 1485 Comment
  CHSC61453  Potamogeton natans Vernon H. Oswald; Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. Along the edge of the lake. 1767 Comment
  CAS-BOT-BC453788  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  JEPS42968  Potamogeton natans W. L. Jepson 1918-8-17 8029 Plumas Clover Creek; Red Clover Valley 1676 Comment
  SEINET5712421 Image available Potamogeton natans Michelle Yeargan 1973-1 Y 072 Plumas 2 miles west of Keddie.; Keddie Comment
  CHSC34885  Potamogeton nodosus M. S. Taylor 1981-8-31 4261 Plumas Creek under RR tracks off spur rd 0.5 mi s of Hwy 70, near Mabie, ca. 3 mi w of Portola. 1463 Comment
  CAS-BOT-BC453968  Potamogeton pectinatus Mrs. Jos. Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  CHSC115833  Potamogeton richardsonii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20426 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Serive Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  RSA15048  Potamogeton richardsonii Daniel Cleveland 1882-7-26 s.n. Plumas Big Meadow. Comment
  UCD20195  Potamogeton richardsonii R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  RSA0089042  Potentilla ashlandica Bonnie C. Templeton 1968-6-9 11249 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  RSA726447  Potentilla biennis L. Ahart, John Dittes 2007-6-17 14181 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
  HSC93325  Potentilla biennis Vernon H. Oswald, L. Ahart 1996-7-15 8013 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 begins to parallel the lake, High Cascade Range. 1372 Comment
  JEPS48885  Potentilla drummondii subsp. bruceae Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  POM275173  Potentilla glandulosa subsp. hansenii Lyman D. Benson 1932-7-29 3988 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CAS-BOT-BC531746  Potentilla gracilis var. elmeri Lewis S. Rose 1955-7-20 55155 Plumas Mohawk 1371 Comment
  RSA123343  Potentilla gracilis var. elmeri E. Sawyer 1935-6-7 84 Plumas 3.75 miles SSW of Sugarloaf 1494 Comment
  SD8450  Potentilla gracilis var. fastigiata Daniel Cleveland 1882-7-20 Plumas Prattville Comment
  SEINET10904066  Potentilla millefolia Mary Susan Taylor 1982-5-7 Taylor 4420 Plumas T24N R14E sw/se sec 7. Crocker Mt quad. In wet meadow around Clover Valley Ranch, s side of Beckwourth-Genesee Rd, ca. 10 air mi nw of Beckwourth. 5500 ft. 1676 Comment
  CHSC100368  Potentilla norvegica Lowell Ahart 2008-9-10 15395 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CDA40573  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131720 Plumas Quincy; Lee Road, site #2. 0 Comment
  CDA40574  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131721 Plumas Quincy; Lee Road, site #1. 0 Comment
  CHSC20764  Potentilla rivalis K. R. Stern 1975-7-24 5889 Plumas SE shore of Lake Almanor. 1371 Comment
  JEPS113532  Potentilla rivalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14034 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  RSA754541  Potentilla rivalis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  OBI9970  Poteridium annuum Lewis S. Rose 1967-7-12 67169 Plumas Quincy 1036 Comment
  CAS-BOT-BC47621  Primula suffrutescens Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CDA17299  Prunella vulgaris var. lanceolata G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16348 Plumas Sierra Nevada; Snake Lake, 4 mi. NW of Quincy. Comment
  UC586916  Prunella vulgaris var. lanceolata Joseph Andorfer Ewan 1934-7-6 8176 Plumas ravine off Penman Peak (East side Mohawk Valley); , ravine off Penman Peak Comment
  CAS-BOT-BC159820  Prunus andersonii John Thomas Howell 1962-6-19 37879 Plumas Beckwourth Pass 1584 Comment
  UC1128293  Prunus emarginata C. G. Albertus 1935-8-3 251 Plumas 1 1/2 mi se of Cromburg (Plumas National Forest); Plumas National Forest 1310 Comment
  UC1128341  Prunus emarginata C. W. Hanks 1934-8-30 62 Plumas 1 mi s of Bald Rock (Plumas National Forest); Plumas National Forest 1676 Comment
  CAS-BOT-BC158151  Prunus emarginata John Thomas Howell 1960-7-20 35745 Plumas Boiling Springs Lake 1798 Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  JEPS102525  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  RSA189440  Prunus virginiana var. demissa L. S. Rose 1967-6-12 67121 Plumas Butterfly Valley. Ca 3 miles W of Keddie. 1067 Comment
  UCD113522  Prunus virginiana var. demissa H. B. Currier; W. R. Russell, J. M. Tucker 1951-8-1 2203 Plumas beside road to Buck's Lake, about 1 mile west of Quincy. Comment
  SEINET13710063  Prunus virginiana var. demissa Lowell William Ahart, Lowell William Ahart 2001-1 9212 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CAS-BOT-BC356963  Pseudognaphalium canescens John Thomas Howell 1976-7-16 51880 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC357346  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1465 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  CAS-BOT-BC361484  Pseudognaphalium stramineum John Thomas Howell 1951-6-29 27764 Plumas Feather River Canyon 548 Comment
  JEPS122096  Pseudognaphalium thermale Lowell Ahart 2014-8-24 19763 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC361679  Pseudognaphalium thermale John Thomas Howell 1974-9-20 50892 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CHSC89913  Pseudostellaria jamesiana N. L. Jurjavcic 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. 1524 Comment
  UCSB15991  Pseudostellaria jamesiana Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET10765118 Image available Pseudostellaria sierrae Richard K. Rabeler, Barbara J. Ertter; Tony Morosco; James R. Shevock 1997-6-14 Rabeler 1290 Plumas T26N, R9E, S14, SE 1/4. 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Rd.), 1.95 mi N of CA 89, W of Crescent Mills. 1463 Comment
  NY63887  Pseudotsuga menziesii var. menziesii E. Fritz 1936-1-28 8209 Plumas Comment
  SEINET5334805  Pseudotsuga menziesii var. menziesii L. Sloan 1949-6-25 20 Plumas 4 miles west of Quincy on highway 24 Comment
  CHSC102435  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2009-6-7 9800 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 125 m southwest of Thompson Valley Creek. 1670 Comment
  CHSC62097  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Linnea Hanson, Joyce Lacey 1993-6-26 4405 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; ca 0.5 mi southwest of Beckwourth, 4 mi east of Portola, corner of Beckwourth-Calpine Road and railroad. 1487 Comment
  CAS-BOT-BC361738  Psilocarphus brevissimus var. brevissimus Mrs. H. C. Cantelow 1940-5-10 s.n. Plumas W. of Bucks Lake Comment
  SBBG30515  Psilocarphus tenellus D. Myrick 1968-6-19 1950 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  CAS-BOT-BC72612  Pteridium aquilinum John Thomas Howell; Gordon H. True 1969-6-23 45808 Plumas 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  CHSC65378  Pterospora andromedea Lowell Ahart 1995-9-13 7632 Plumas In the forest on the north side of Onion Valley, east of Quincy-La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  HSC101677  Pterospora andromedea Dillon North Davis 2013-7-10 37 Plumas 9.1 miles south on FS Road 25N17 from intersection with Highway 70, ~200 m south of large hairpin turn Comment
  CAS-BOT-BC453564  Pterospora andromedea Mrs. A. L. Coombs 1906-6-1 s.n. Plumas Prattville Comment
  UC875409  Pteryxia terebinthina var. californica Anna Head 1921-7-2 Plumas Lake Center, Feather River Region Comment
  CAS-BOT-BC147871  Purshia tridentata var. tridentata Anna Head 1921-6-22 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  RSA641878  Purshia tridentata var. tridentata Michael A. Vincent 1999-6-7 8529 Plumas W of Frenchman Lake along FS Route 11. Plumas National Forest. Milford Ranger District. 1524 Comment
  OBI13586  Pycnanthemum californicum Lewis S. Rose 1966-7-27 66067 Plumas Butterfly Valley. 3 mi W of keddie 1067 Comment
  CAS-BOT-BC462899  Pyrola asarifolia John Thomas Howell 1963-6-3 39398 Plumas Sierra Nevada, Butterfly Valley Comment
  RSA794201  Pyrola dentata Diana D. Jolles 2005-7-16 132 Plumas Eastern side of the Little Grass Reservoir. Congested on an open, sunny ledge above a road just north of a river, Plumas National Forest. 1645 Comment
  CAS-BOT-BC462784  Pyrola dentata Clare B. Hardham 1975-8-2 20467 Plumas Sierra Nevada; Black Mt. 2133 Comment
  SEINET7257120  Pyrola dentata A. A. Heller, P. B. Kennedy 1907-7-8 8764 Plumas Grade between Greenville and Prattville Comment
  SD7830  Pyrola picta Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CAS-BOT-BC462901  Pyrola picta John Thomas Howell 1960-7-14 35695 Plumas Lassen Volcanic National Park: Drakesbad 1828 Comment
  SEINET10449207  Pyrola picta subsp. dentata Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4012 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
  CHSC34918  Pyrrocoma carthamoides var. cusickii M. S. Taylor 1981-6-25 3950 Plumas E side of 24N01 on e side of Frenchman Lake, 0.8 mi s of Salmon Egg Shoal, 1.0 mi s of jct 24N01 and 25N11 at n tip of Frenchman Lake, ca. 13 mi nw of Chilcoot. 1737 Comment
  CAS-BOT-BC362283  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1951-8-20 28234 Plumas Sierra Valley, 3 miles east of Beckwourth 1524 Comment
  CAS-BOT-BC362287  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 1990-7-29 487 Plumas Sierra Valley. At the gate to the old Pat Nobel ranch 1490 Comment
  RSA31213  Pyrrocoma lucida Joseph A. Ewan 1934-7-18 8569 Plumas Middle Fork, Feather River at Portola Comment
  JEPS20304  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 Comment
  UCD45906  Quercus durata var. durata John Thomas Howell 1959-9-21 34791 Plumas El. 2500 feet, Plumas County. 762 Comment
  UCD46185  Quercus garryana F. T. Griggs 1977-7-17 229 Plumas Soda Creek, ca. 5 miles north of Belden, Plumas County, California. 1524 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC62738  Quercus garryana var. breweri Clarence R. Quick 1952-6-29 52 -76 Plumas Summit and road between Belden and Humbug Valley 1486 Comment
  CAS-BOT-BC105309  Quercus kelloggii Lloyd W. Swift 1931-7-20 38 Plumas Plumas Forest. Skinner Flat, near Lake Almanor Dam 1371 Comment
  CAS-BOT-BC105313  Quercus kelloggii Alice Eastwood 1927-6-1 14590 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CAS-BOT-BC105317  Quercus kelloggii C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  RSA755469  Quercus kelloggii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15856 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  UC338621  Quercus kelloggii unknown 1889-5-28 Plumas Mohawk valley Comment
  CAS-BOT-BC104592  Quercus vacciniifolia David D. Keck 1932-7-3 1708 Plumas Northern Sierra Nevada. Quincy, Water supply canyon to the left hand just S of town 1065 Comment
  CHSC21026  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-10 144 Plumas Buck's Lake. Comment
  UC118194  Ranunculus alismifolius var. alismifolius T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  HSC94141  Ranunculus alismifolius var. alismifolius G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-23 3166 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  SEINET4090477  Ranunculus alismifolius var. alismifolius B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
  SEINET3840890  Ranunculus aquatilis G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3857 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1710 Comment
  CAS-BOT-BC379243  Ranunculus aquatilis var. diffusus Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CAS-BOT-BC379247  Ranunculus aquatilis var. diffusus George W. Gillett 1957-7-18 822 Plumas Lassen Volcanic National Park, growing in the main inlet to Willow Lake, at the north end of Willow Lake Meadow 1661 Comment
  SEINET12091403  Ranunculus aquatilis var. diffusus W. Knight, Knight, I. 1983-1 4930 Plumas at Drakesbad guest ranch. Lassen Volcanic Nat. Park 1722 Comment
  CDA24318  Ranunculus cymbalaria var. saximontanus L. Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  UC118215  Ranunculus flammula T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CHSC108715  Ranunculus flammula var. ovalis B. Castro; L. P. Janeway 2003-9-7 1457 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. At a pair of ponds, at E edge of smaller upper pond ca 8 ft above water's edge. 2063 Comment
  CHSC60482  Ranunculus orthorhynchus var. orthorhynchus K. R. Stern 1985-6-25 8287 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC362888  Ratibida columnifera F. B. Cayot 1913-8-12 31 Plumas Plumas National Forest. Three Mile [Threemilel] Valley 1767 Comment
  SD149109  Rhamnus John Thomas Howell 1976-7-20 52038 Plumas Transition zone forest at south end of Lake Almanor 1372 Comment
  SD149111  Rhamnus John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54298 Plumas East side of Indian Valley just north of Taylorsville 1111 Comment
  JEPS103380  Rhamnus purshiana Lowell Ahart 2002-7-6 9838 Plumas On the SW side of a meadow, on the W side of the dirt road, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  RSA724905  Rhamnus purshiana L. P. Janeway, Erin Brandy, Chris Christofferson 2007-10-3 9215 Plumas Northern High Sierra Nevada, Top of Red Hill. 1929 Comment
  JEPS41962  Rhamnus rubra W. L. Jepson 1918-8-16 8004 Plumas Engels Lights Creek 1341 Comment
  SEINET11975902  Rhododendron californicum Unknown 1961-1 253 Plumas Upper Butterfly Valley, 2.5 mi W turn off Hwy 89-US 40 1 Comment
  CAS-BOT-BC56571  Rhododendron columbianum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC111876  Rhynchospora alba V. Oswald; Lowell Ahart 1988-8-4 3670 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1127 Comment
  RSA500436  Rhynchospora alba Vernon H. Oswald 1989-8-3 3915 Plumas Willow lake located SE of Drakesbad, just s of the boundary of Lassen Volcanic Nat l Park. 1677 Comment
  RSA246600  Rhynchospora capitellata Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42344 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  CAS-BOT-BC108712  Ribes cereum Clare B. Hardham 1975-8-2 20454 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  CAS-BOT-BC169121  Ribes inerme var. inerme David D. Keck 1932-7-3 1653 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  JEPS115783 Image available Ribes nevadense Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15871 Plumas Southwest of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  JEPS28655 Image available Ribes nevadense George W. Gillett 1957-7-19 857 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanie National Park 2057 Comment
  UCD102424  Ribes nevadense Robbins; Raynor 1943-6-1 s.n. Plumas Feather River Canyon near Virgilia. Comment
  CDA14590  Ribes roezlii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3073 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC20733  Ribes roezlii K. R. Stern 1975-7-24 5898 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC75502  Ribes roezlii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3241 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  JEPS106030  Ribes roezlii var. roezlii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  CHSC46658  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 a 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
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 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
  CDA13917  Rigiopappus leptocladus G. F. Hrusa 1997-5-3 13844 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CAS-BOT-BC363056  Rigiopappus leptocladus L. P. Janeway 1992-7-17 4265 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  CAS-BOT-BC74631  Rorippa curvisiliqua Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  CDA18592  Rorippa curvisiliqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3273 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  JEPS113591  Rorippa curvisiliqua var. orientalis Lowell Ahart, Josephine Guardino 2007-7-20 14328 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS122115  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC112543  Rorippa nasturtium-aquaticum B. Castro; L. P. Janeway 2008-6-7 1737 Plumas Upper Feather River Water Balance Study: Thompson Creek. Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  CAS-BOT-BC148168  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1558 Plumas Fern Glen - butterfly Botanical Area and vicinity 1112 Comment
  CHSC75532  Rosa gymnocarpa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas Forest land 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  JEPS99059  Rosa gymnocarpa Lowell Ahart 2002-6-26 9764 Plumas Near a small drainage, NE of the small meadow and gravel road, about 2 miles (air) NW of Little Grass Valley Reservoir dam, about 5 miles (air) NW of La Porte. 1734 Comment
  CHSC75927  Rosa pisocarpa G. F. Hrusa; T. D. Wilfred 1996-8-2 13426 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor rocks, 1 mi. NW of Argentine Rock. On spring, tributary of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1820 Comment
  CAS-BOT-BC149735  Rosa woodsii subsp. ultramontana Ira L. Wiggins 1971-7-11 21695 Plumas Rushing Meadows, along South Fork of Stanislaus River, above Lyon's dam 1280 Comment
  RSA726387  Rosa woodsii var. ultramontana L. Ahart, Josephine Guardino 2007-7-20 14323 Plumas Northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1790 Comment
  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
  CAS-BOT-BC147971  Rubus parviflorus Gordon H. True; John Thomas Howell 1969-6-23 45818 Plumas On Middle Fork of Feather River at Nelson Point - Sierra Nevada 1249 Comment
  POM319262  Rubus parviflorus Patricia Wilder 1971-6-22 5144 Plumas 4.5 miles W of Quincy on Spanish Creek Rd. On N side of road between road and creek. Cascade Mtn Range. Spanish Creek to North Fork Feather River drainage. 1067 Comment
  SEINET7705863  Rubus parviflorus H. Hamlin 1904-1 s.n. Plumas Sierra Valley Comment
  RSA59306  Rubus parviflorus var. bifarius E. K. Balls 1950-9-12 15789 Plumas 1.5 miles along trail from Lakes Center Public Campground to Long Lake outlet (S Plumas Co.) 2012 Comment
  CHSC20760  Rumex acetosella K. R. Stern 1975-7-25 5885 Plumas N shore of Lake Almanor. 1371 Comment
  JEPS113598  Rumex conglomeratus Lowell Ahart, Josephine Guardino 2007-7-20 14347 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC433518  Rumex fueginus John Thomas Howell 1961-9-25 36948 Plumas Feather River bed, Portola 1478 Comment
  CHSC66637  Rumex occidentalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8040 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CAS-BOT-BC434311  Rumex triangulivalvis John Thomas Howell 1977-8-11 52711 Plumas Bottom of Frenchmans Reservoir on east side near Big Cove. 1706 Comment
  JEPS102618  Sagina saginoides Lowell Ahart 2001-7-19 8941 Plumas Sand bars, on the banks of Hopkins Creek, about 100 yards NW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  RSA60244  Sagina saginoides E. K. Balls 1950-9-2 15639 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  JEPS32196  Sagittaria cuneata R. H. Platt 1891-1 Plumas The Sierras Comment
  UCD138051  Sagittaria latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1419 Plumas 2 miles souht of Greenville, Indian Valley. Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103633  Salix eastwoodiae Anna Head 1920-6-1 s.n. Plumas Feather River region Comment
  CHSC65008  Salix eastwoodiae Vernon H. Oswald 1991-8-5 4803 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  SJSU12160  Salix eastwoodiae N. A. Hopkins 1976-6-26 851 Plumas margin of Round L , Lakes Recreation Basin 2057 Comment
  CHSC97473  Salix geyeriana 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
  POM180953  Salix geyeriana var. argentea A. A. Heller, P. B. Kennedy 1907-7-4 8728 Plumas Meadow 2 miles S of Red Clover valley. Comment
  SEINET11990954  Salix lasiandra W. Knight, Knight, I. 1983-1 4945 Plumas North Fork of Feather River and Warner Creek, Yellow Pine Forest, road between chester adn Drakesbad 1463 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
  SEINET11957801  Salix lasiolepis E. L. Smith 1971-1 951 Plumas Quincy 1043 Comment
  RSA31980  Salix lasiolepis var. bigelovii A. A. Heller 1938-5-30 15135 Plumas The Feather River near Vigilia. 793 Comment
  CAS-BOT-BC124577  Salix lemmonii Alice Eastwood 1918-5-25 7027 Plumas Portola Comment
  CAS-BOT-BC124794  Salix lemmonii John Thomas Howell 1961-6-21 36607 Plumas Greenville 1097 Comment
  CAS-BOT-BC124802  Salix lemmonii John Thomas Howell 1967-6-23 42700 Plumas Butterfly Valley 1066 Comment
  CHSC69901  Salix lemmonii L. P. Janeway 1997-5-7 5117 Plumas Along north side of Red Clover Creek, 6.9 mi southeast of Indian Creek and 0.3 mi northwest of Notson Bridge (via Beckwourth-Genesee Road). 1554 Comment
  CAS-BOT-BC125105  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  CAS-BOT-BC125109  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC1134924  Salix ligulifolia D. Axelrod 1934-6-12 36 Plumas 1 mi. s. Fowler Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  CHSC80692  Salix lucida subsp. lasiandra Lowell Ahart 2001-6-4 8754 Plumas On the north side of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. 1615 Comment
  CAS-BOT-BC129383  Salix melanopsis David D. Keck 1932-7-3 1656 Plumas Meadow south of Spanish Creek - Quincy 1066 Comment
  CAS-BOT-BC129387  Salix melanopsis M. S. Taylor 1982-5-13 4438 Plumas Along Spanish Creek, Gansner Park, Quincy 1036 Comment
  CHSC37777  Salix melanopsis M. S. Taylor 1982-5-13 4438 Plumas Gansner Park, Quincy. 1036 Comment
  RSA504196  Salix melanopsis J. T. Howell, Gordon H. True 1967-7-9 43253 Plumas N Fork of Feather River. 3 miles SW of Caribou. 854 Comment
  SEINET10417193  Salix melanopsis A. A. Heller, P. B. Kennedy 1907-7-13 8830 Plumas Taylorsville. Comment
  JEPS14870  Salix prolixa John Warren Duffield 1937-5-30 Plumas near rd. into U. C. Forestry Camp (gravel pit n of Meadow Valley Creek, near rd. into camp) Comment
  JEPS14874  Salix scouleriana John Warren Duffield 1937-7-25 Plumas near Schneider Creek Section 26 1280 Comment
  UCD63045  Salix scouleriana Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Blackhawk Road. Butterfly Valley. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  RSA59485  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  JEPS12743  Sambucus mexicana Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC238843  Sambucus nigra subsp. caerulea Thomas H. Kearney 1944-8-14 144 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC238847  Sambucus nigra subsp. caerulea John Thomas Howell 1951-6-28 27678 Plumas Jamison Creek 1584 Comment
  CAS-BOT-BC223222  Sanicula bipinnatifida Alice Eastwood 1927-6-12 14531 Plumas United States Forest Reserve. Forest Lodge near Greenville Comment
  JEPS2843 Image available Sanicula bipinnatifida var. flava A. A. Heller 1913-6-13 10839 Plumas near Marston Station; ; Near Marston Station, Plumas Co. 1066 Comment
  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
  SD107288  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 miles west of road to Snake Lake, departing northwest of Highway 89 around 2 miles north of Quincy. 1280 Comment
  CHSC62524  Sanicula tuberosa B. Castro 1993-7-8 474 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  CHSC1417  Sarcodes sanguinea V. Holt 1932-5-1 Plumas Lake Almanor. 1371 Comment
  CHSC45521  Sarcodes sanguinea Lowell Ahart 1975-8-29 969 Plumas About 10 mi south of Bucks Lake, about 1 mi NE of Hardquartz Mine, along the edge of small stream which is part of Arkansas Ravine. 1828 Comment
  CAS-BOT-BC466218  Sarcodes sanguinea John Thomas Howell 1960-7-21 35824 Plumas Lassen Volcanic National Park, near Terminal Geyser 1798 Comment
  UC1609266  Saxifraga oregana Vernon H. Oswald and Lowell Ahart 1993-8-3 5763 Plumas 0.25 mi e of Hay Meadow (on s edge of the Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor, at unnamed lake); Caribou Wilderness 1926 Comment
  RSA0101649  Sceptridium multifidum Robert J. Weatherby 1950-7-21 1481 Plumas Butterfly Valley, Quincy District. 1219 Comment
  CHSC102184  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park. 1851 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-BC110857  Scirpus diffusus Lowell Ahart 1980-10-6 2669 Plumas Lake 1/2 mile west of Fowler Pk. 1700 Comment
  CHSC53557  Scirpus microcarpus L. P. Janeway 1990-8-29 3847 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. 1905 Comment
  JEPS64007  Scirpus microcarpus W. L. Jepson 1939-8-14 19419 Plumas Willow Creek 1828 Comment
  SJSU13922  Scirpus microcarpus N. A. Hopkins 1985-8-27 1306 Plumas Grass Lake 1767 Comment
  CAS-BOT-BC214189  Scutellaria John Thomas Howell 1977-6-21 52384 Plumas Seneca, Sierra Nevada 1097 Comment
  UC174630  Scutellaria A. A. Heller and P. B. Kennedy 1907-7-15 8843 Plumas near mouth of Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  SD6636  Scutellaria antirrhinoides R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC62117  Scutellaria californica L. P. Janeway 1993-6-30 4409 Plumas Plumas National Forest. Along Hwy 70 in canyon of East Branch North Fork Feather River, 2.9 mi southwest of Hwy 89. 868 Comment
  RSA82325  Scutellaria californica F. W. Peirson 1926-6-21 6795 Plumas Flat strip along lake; Lake Almanor. Comment
  POM93422  Sedella pumila Mary E. P. Ames 1871-05 s.n. Plumas Near Roseville; Taylorsville, Indian Valley. Comment
  CHSC118119  Sedum albomarginatum P. F. Zika 2012-5-15 25865 Plumas Serpentine Canyon, above Route 70, 1.5 air miles S ... Field redacted by CHSC, contact the data manager for more information 830 Comment
  JEPS55995  Sedum albomarginatum C. H. Uhl 1961-1 968 Plumas 2.9 mi e of Rich Bar and 6.8 mi e Belden (serpentine cliff on n side of East Branch of North Fork Feather River, Feather River Canyon); Feather River Canyon, East Branch North Fork Feather River Comment
  JEPS119498  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the east edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. Comment
  JEPS79625  Selaginella wallacei Edward Lee 1951-10-8 Plumas 0.1 mi above junction of N. Fork Feather River Hwy. Comment
  CAS-BOT-BC363366  Senecio aronicoides Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CHSC60525  Senecio hydrophiloides L. P. Janeway; Jannice Cutler 1992-5-26 4203 Plumas Plumas National Forest. Stringer meadow ca 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove. 1761 Comment
  CAS-BOT-BC363792  Senecio integerrimus L. W. Swift 1933-6-7 83 Plumas Plumas National Forest. Fitch Canyon 1889 Comment
  CAS-BOT-BC363918  Senecio integerrimus var. exaltatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54238 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  CHSC112528  Senecio integerrimus var. exaltatus B. Castro; L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels, in sagebrush meadow flats ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  JEPS106189  Senecio integerrimus var. exaltatus Lowell Ahart, Josephine Guardino 2004-5-24 10941 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1224 Comment
  JEPS121735  Senecio integerrimus var. exaltatus B. Castro and L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels. Comment
  CAS-BOT-BC364034  Senecio integerrimus var. major A. A. Heller; P. B. Kennedy 1907-7-5 8742 Plumas Hills above Red Clover Valley Comment
  LA204250  Senecio integerrimus var. major E. D. Merrill; 1929-7-13 sn Plumas Sierra Nevada, Silver Lake 1828 Comment
  CDA18478  Senecio integerrimus var. major G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3246 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 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-BC364395  Senecio triangularis John Thomas Howell 1955-7-20 30835 Plumas Mohawk 1371 Comment
  CAS-BOT-BC364399  Senecio triangularis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1487 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen 1097 Comment
  CAS-BOT-BC364768  Sericocarpus oregonensis subsp. californicus Edward Pittman 1965-10-16 226 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  UCD92853  Setaria viridis John Thomas Howell 1959-9-20 34719 Plumas Tobin. 609 Comment
  CHSC82964  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
  UC1873587  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 Comment
  CHSC21727  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-8-5 304 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET2442081  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester.; 0 1463 Comment
  SEINET7085246  Sidalcea glaucescens Steven R. Hill 2010-7-17 38559 Plumas About 0.8 kilometers south of the southeast corner of Little Grass Valley Reservoir; alongside road (to east side of reservoir) 90 meters southeast of the main road from La Porte to reservoir. Plumas National Forest, South Fork Feather River headwaters near campground. Coordinate Datum: WGS84/NAD83. 1563 Comment
  UC1124960  Sidalcea glaucescens G. T. Nordstrom 1934-7-3 177 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle 1645 Comment
  RSA6247  Sidalcea glaucescens D. D. Keck 1932-7-3 1692 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  RSA87507  Sidalcea glaucescens C. L. Hitchcock 1952-6-25 19623 Plumas 100 yards east of spillway of Lake Almanor Comment
  POM253291  Sidalcea malviflora subsp. asprella A. A. Heller 1938-6-14 15158 Plumas Near Gray s Flat on the Feather River Highway 869 Comment
  CHSC102640  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
  CHSC110611  Sidalcea oregana subsp. spicata B. Castro; G. Kuenster 2006-8-4 1586 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Off N end of large wet meadow on W side of Thompson Creek, ca 800 ft below edge of open Ponderosa-Jeffrey pine forest, near area dominated by Artemesia cana, also with A. tridentata and Chrysothamnus viscidiflorus. 1669 Comment
  RSA15058  Sidalcea oregana subsp. spicata Daniel Cleveland 1882-7-20 s.n. Plumas Prattville Comment
  RSA52854  Sidalcea oregana subsp. spicata R. Weatherby 1950-7-21 1473 Plumas East Quincy Comment
  RSA59475  Sidalcea oregana subsp. spicata E. K. Balls 1960-9-16 15876 Plumas Near Fish Hatchery, just N of Plumas and Sierra Co line. 1433 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
  CAS-BOT-BC174851  Silene bernardina L. P. Janeway 1992-7-10 4254 Plumas About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek 2087 Comment
  JEPS105990  Silene bernardina Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11180 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2053 Comment
  CAS-BOT-BC181291  Silene invisa Lowell Ahart 1986-9-10 5396 Plumas About 1/2 mile north-west of Pilot Peak, about 1/2 mile south-east of Onion Valley, about 14 miles north-east of La Porte 2072 Comment
  CHSC111729  Silene laciniata subsp. californica Lowell Ahart 2012-7-1 18250 Plumas By large rocks, on the west side of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CDA13431  Silene lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13278 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  CHSC84503  Silene nuda John Dittes 2003-8-8 2003 -81 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
  UC1037199  Silene nuda Leo Whitney 1934-8-28 1540 Plumas 12 mi s Jonesville (near Murdock Crossing); Plumas National Forest, s of Jonesville 1920 Comment
  SEINET10537592  Silene nuda subsp. insectivora Mary Susan Taylor 1981-7-11 Taylor 4068 Plumas T27N R7E ne/ne sec 10, Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89; 4500 ft elev. 1372 Comment
  CAS-BOT-BC181366  Silene occidentalis John Thomas Howell 1951-6-27 27557 Plumas Johnsville - Sierra Nevada 1584 Comment
  JEPS28637  Sium suave George W. Gillett 1957-7-18 834 Plumas Lassen Volcanic National Park, at n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1661 Comment
  NY185689  Smelowskia ovalis var. congesta J. G. Lemmon 1872-1 s.n. Plumas Sassen's (?illegible) Peak Comment
  JEPS118393  Smilacina racemosa Lowell Ahart 2011-9-20 17692 -A Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2001 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
  RSA52853  Solidago canadensis subsp. elongata R. Weatherby 1950-7-21 1472 Plumas East Quincy 1037 Comment
  CHSC113900  Solidago elongata Lowell Ahart 2014-8-24 19746 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC34924  Solidago elongata M. S. Taylor 1981-8-20 4232 Plumas S side of Fox Rd (27N92) at jct with creek, ca. 2 mi se of Canyon Dam. 1524 Comment
  CHSC60072  Solidago elongata L. P. Janeway 1992-7-1 4243 Plumas Plumas National Forest. North side of Middle Fork Feather River along drainage of Bonta Creek across gravel bar of the river. 1310 Comment
  JEPS49076  Solidago elongata Lewis S. Rose 1966-7-28 66072 Plumas Quincy 1066 Comment
  CAS-BOT-BC365754  Solidago spectabilis F. Sommers 1976-8-10 1186 Plumas Sierra Valley along Marble Lane 1487 Comment
  CAS-BOT-BC374403  Sonchus asper John Thomas Howell; H. Keith Wagnon 1980-5-26 53587 Plumas Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden 609 Comment
  CAS-BOT-BC157310  Sorbus californica Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CHSC115747  Sorbus scopulina L. P. Janeway 2015-8-3 11818 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 4.9 road-km north of Oroville-Quincy Hwy and Grizzly Summit; 1.6 air-km north-northeast of Grizzly Summit. 1596 Comment
  UCD94834  Sparganium emersum John Thomas Howell 1960-7-22 35869 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC390071  Spergularia atrosperma John Thomas Howell 1951-8-20 28234 A Plumas 3 miles east of Beckwourth, Sierra Valley 1524 Comment
  JEPS122323  Spergularia rubra Lowell Ahart 2014-9-9 19838 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 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-BC374766  Sphaeromeria potentilloides var. potentilloides A. A. Heller; P. B. Kennedy 1907-7-2 8679 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  UC91158  Sphaeromeria potentilloides var. potentilloides Mrs. R. M. Austin 1876-1 374 Plumas American Valley Comment
  CHSC66696  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1996-8-1 8139 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. At a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  UC1123205  Sphenosciadium capitellatum G. T. Nordstrom 1934-7-20 247 Plumas Silver Lake Dam; Plumas National Forest, Bidwell Bar Quad., Silver Lake Dam Comment
  RSA59345  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas Lakes Center Public Campground. 2043 Comment
  CHSC71651  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1998-8-11 9485 Plumas West of Bucks Lake on USFS 24N36 0.1 mi east of Oroville-Quincy Hwy. In meadow along Grizzly Creek. 1566 Comment
  HSC19748  Spiraea douglasii Jim Vaughn 1956-7-29 Plumas Chester 1463 Comment
  JEPS88391  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1996-7-15 8025 Plumas e side of arm of Lake Almanor extending n from the Highway 36 causeway, s of tthe point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  SEINET264194  Spiraea douglasii S. Gessel 1940-6-25 Plumas Butterfly Valley Comment
  UCD20962  Spiraea douglasii E. Bortiri 2002-6-21 WFC 10 Plumas Williams Loop, near Portola. Comment
  SEINET10483627  Spiraea douglasii Mary Susan Taylor 1982-6-14 Taylor 4672 Plumas T26N R9E se sec 34. Greenville SW quad. E side of Hwy 89, ca. 1 mi n of Indian Falls. 3400 ft. 1036 Comment
  CHSC70804  Stachys ajugoides var. rigida B. Castro; R. Zebell, R. Fallscheer 1989-8-15 394 Plumas Ca 6 air mi S of Bucks Lake, ca 0.3 mi SE of jcn USFS Rds 23N15 and 23N70, ca 100 ft E of Rd 23N70 by small pond. 1670 Comment
  CHSC97092  Stachys ajugoides var. rigida Lowell Ahart; Josephine Guardino 2007-7-21 14386 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  RSA82571  Stachys rigida subsp. rivularis F. W. Peirson 1926-6-21 6804 Plumas Open strip along shore of Lake Almanor. Comment
  JEPS116102  Stellaria crispa Lowell Ahart, John Dittes 2009-7-28 16198 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
  CDA14672  Stellaria longipes G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3114 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  RSA291301  Stellaria longipes J. T. Howell 1960-7-18 35516 Plumas Drakesbad. 1677 Comment
  RSA95418  Stellaria longipes J. T. Howell 1951-6-27 27587 Plumas McRae Meadow. 1982 Comment
  SD147594  Stellaria nitens Walter Knight, Irja Knight, et al. 1967-5-7 1838 Plumas West slope of Butterfly Valley near old barn. 1035 Comment
  CHSC74083  Stellaria obtusa H. Durio 1998-10-7 Plumas Near SE corner of Lower Bucks Lake, at mouth of Pat Maloy Ravine Creek. 1560 Comment
  CAS-BOT-BC375048  Stenotus acaulis Clare B. Hardham 1970-8-9 17716 R Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC60604  Stenotus acaulis L. P. Janeway 1989-6-16 3327 Plumas Plumas National Forest. Northeast slope of Crocker Mountain facing Red Clover Valley. 1828 Comment
  SEINET9330227  Stenotus acaulis Unknown 1982-6-17 3812 Plumas Plumas National Forest Comment
  CAS-BOT-BC375208  Stephanomeria elata John Thomas Howell 1976-7-14 51822 Plumas Feather River Canyon Highway at Injun Jim Campground 609 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
  JEPS29560  Stephanomeria lactucina John Thomas Howell 1960-7-19