Search Results — 2000 specimen records retrieved (1433 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 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-BC78092  Abies magnifica John Thomas Howell; Gordon H. True 1967-7-11 43329 Plumas Summit ridge of Mt. Hough 2194 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
  CAS-BOT-BC330954  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1967-7-11 43340 Plumas Sierra Nevada. Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC333231  Acer macrophyllum Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CAS-BOT-BC333232  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  CHSC9721  Achillea millefolium Nancy Mosman 1971-7-11 88 Plumas In meadow on the w side of Feather River ca. 0.6 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC1131586  Achnatherum hymenoides C. W. Hanks 1934-8-6 9 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (nw end) Comment
  CHSC53185  Achnatherum lemmonii L. P. Janeway 1989-6-29 3418 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CHSC58540  Achnatherum lemmonii Vernon H. Oswald; Lowell Ahart 1992-7-6 5064 Plumas On Kelly Mtn. Ca. 0.3 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). Lassen Volcanic National Park. 1813 Comment
  CHSC97185  Achnatherum lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14013 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC1133120  Achnatherum lemmonii E. Sawyer 1935-6-1 53 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  UCD50595  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC216879  Achnatherum occidentale John Thomas Howell 1955-7-19 30770 Plumas Beckwourth 1493 Comment
  CHSC32030  Achnatherum occidentale subsp. californicum L. Ahart 1978-7-29 1792 Plumas 0.5 mi below Bunker Hill Mine. 2000 Comment
  CHSC53186  Achnatherum occidentale subsp. pubescens L. P. Janeway 1989-6-14 3313 Plumas Plumas National Forest. Along s'ly side of Red Clover Valley. 1685 Comment
  CAS-BOT-BC217995  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Summit ridge of Thompson Peak, Diamond Range 2133 Comment
  CDA17240  Achnatherum webberi G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16343 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
  CHSC53140  Acmispon americanus var. americanus L. P. Janeway 1989-6-20 3346 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1691 Comment
  CHSC52439  Acmispon grandiflorus var. macranthus L. P. Janeway 1987-6-20 2280 Plumas Ravine on N side of S Br Middle Fk Feather River, below Whiskey Hill. 1158 Comment
  SD8183  Aconitum columbianum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC391471  Aconitum columbianum subsp. columbianum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CAS-BOT-BC391472  Aconitum columbianum subsp. columbianum John Thomas Howell 1926-7-31 2175 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC412891  Aconogonon davisiae Anna Head 1920-7-1 s.n. Plumas Summit of peak above Round Lake, Feather River Region 2286 Comment
  CAS-BOT-BC412892  Aconogonon davisiae Anna Head 1921-7-20 s.n. Plumas Trail above Round Lake, Feather River Region Comment
  CAS-BOT-BC418805  Aconogonon phytolaccifolium Clarence R. Quick 1953-8-8 53 -114 Plumas South of Meadow Valley Comment
  CHSC84401  Adenocaulon bicolor Lowell Ahart 2003-8-5 10470 Plumas On the east side of Hopkins Creek, on the west side of the road, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain. 1524 Comment
  CAS-BOT-BC29838  Adenocaulon bicolor David D. Keck 1932-7-3 1629 Plumas near Quincy, south of town 1066 Comment
  SFV10665  Adiantum aleuticum M. L. Vincent 1968-6-10 867 Plumas Sierra Nevada Caribou Road. 1 mile from Feather River, Highway 70. 730 Comment
  SEINET13948392 Image available Agastache urticifolia E. K. Balls 1950-1 15724 Plumas Rather open woodland; Lakes Center Public Campground, Southern Plumas County. 6700 ft 2042 Comment
  SEINET13948396 Image available Agastache urticifolia Ethel Crum 1937-1 1947 Plumas Along creek, open glad in coniferous forest. Three miles west of Lake Almanor. Alt 5000 ft 1524 Comment
  CDA19251  Agoseris glauca var. laciniata G. D. Barbe, T. C. Fuller 1982-6-17 3810 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC96846  Agoseris glauca var. laciniata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14040 Plumas Under pine trees, about 150 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CDA13425  Agoseris glauca var. monticola G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13273 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. NE of Quincy. Comment
  RSA726446  Agoseris glauca var. monticola L. Ahart, John Dittes 2007-6-17 14167 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
  CDA13377  Agoseris grandiflora G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13227 Plumas Sierra Nevada; Upper Bull Run Creek, about 1/4 mile below headwater springs on USFS 23N12E. Comment
  CHSC55795  Agoseris grandiflora Vernon H. Oswald 1991-9-11 4868 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1737 Comment
  CHSC36313  Agoseris heterophylla M. S. Taylor 1982-6-12 4642 Plumas Jct of Hwy 36 and 89, ca. 3 mi W of Chester. 1493 Comment
  CHSC97627  Agoseris heterophylla Lowell Ahart; John Dittes 2007-6-16 14099 Plumas On dry soil, 100 yards 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
  CAS-BOT-BC13244  Agoseris monticola J. T. Howell 1960-7-21 35802 Plumas Lassen Volcanic National park, Drakesbad 1828 Comment
  CAS-BOT-BC13431  Agoseris retrorsa Clare B. Hardham 1961-6-15 7406 Plumas Graeagle. Comment
  UC2042974  Agoseris retrorsa Barbara Ertter with Gary Schoolcraft 1990-5-14 8971 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CDA23052  Agrostis G. D. Barbe 1981-6-23 3087 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  UC1100107  Agrostis alba Malcolm A. Nobs and S. Galen Smith 1949-8-18 1382 Plumas just s Chester (n end of lake); Lake Almanor, Last Chance Marshes Comment
  CAS-BOT-BC127077  Agrostis exarata Lowell Ahart 1987-9-22 5891 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  CAS-BOT-BC127104  Agrostis exarata Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1429 Plumas Butterfly Botanical Area and Vicinity. In vicinity of Pond reservoir. 1097 Comment
  CAS-BOT-BC139413  Agrostis hyemalis H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  CAS-BOT-BC139352  Agrostis idahoensis George W. Gillett 1957-1-1 788 Plumas Lassen Volcanic National Park. Off stream running from Little Willow Lake into Willow Lake. 1767 Comment
  CAS-BOT-BC138994  Agrostis pallens John Thomas Howell 1951-6-28 27686 Plumas Eureka Peak. 2133 Comment
  CDA17224  Agrostis pallens G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16327 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
  RSA715708  Agrostis stolonifera L. Ahart, Josephine Guardino 2005-8-9 12298 Plumas In meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of the Boulder Creek Work Center at Antelope Lake. 1598 Comment
  CAS-BOT-BC445452  Alisma triviale Lowell Ahart 1981-9-6 3119 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC445451  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills 1036 Comment
  JEPS47582  Allium acuminatum W. I. Follett 1937-6-13 1 Plumas head of Rich Gulch Deadwood Ravine, Rich Gulch Comment
  CAS-BOT-BC466470  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville Comment
  CAS-BOT-BC466605  Allium campanulatum H. C. Cantelow 1938-7-5 2284 Plumas Flatiron Ridge. Drakesbad 1828 Comment
  CAS-BOT-BC466619  Allium campanulatum Walter Knight; Irja Knight 1966-6-18 s.n. Plumas Butterfly Valley 1143 Comment
  CAS-BOT-BC466621  Allium campanulatum David D. Keck 1932-7-3 1630 Plumas Quincy. Northern Sierra Nevada 1065 Comment
  SEINET12045785  Allium campanulatum Unknown 1938-1 2321 Plumas Feather River at Chester, near Lake Almanor 1219 Comment
  UCD138491  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville. Comment
  UCD138494  Allium campanulatum June McCaskill 1954-5-31 325 Plumas ca. 100 yards west of roadside, State Highway 89, ca. 2.6 miles north of Greenville. Comment
  CHSC60506  Allium lemmonii L. P. Janeway; Jannice Cutler 1992-5-19 4189 Plumas Plumas National Forest. West side of Ross Ranch Meadow, ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola. 1493 Comment
  CAS-BOT-BC472961  Allium lemmonii Arthur Menzies Spring 1965 s.n. Plumas Portola; Sierra Nevada Comment
  CAS-BOT-BC472962  Allium lemmonii Arthur Menzies 1992-5-19 4189 Plumas West side of Ross Ranch Meadow ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola; Plumas National Forest, Beckwourth Ranger District 1493 Comment
  SEINET10471983  Allium lemmonii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3842 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
  CAS-BOT-BC472813  Allium obtusum Margaret Williams; Emily McPherson 1974-8-5 74 -P-4 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin, Sierra Nevada 2072 Comment
  RSA32798  Allium parvum A. A. Heller 1938-5-21 15104 Plumas About the airfield west of Chester. 1305 Comment
  UC843406  Allium parvum A. A. Heller 1938-5-21 15104 Plumas on the plain about the airfield w. of Chester 1304 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
  CHSC57105  Allium validum L. P. Janeway 1991-7-23 4094 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  SEINET14407802  Allophyllum gilioides subsp. violaceum H. Hamlin 1904-1 1524 Plumas Sierra Valley. 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
  RSA718437  Allophyllum integrifolium L. Ahart 2006-7-9 12921 Plumas 100 yards north of the paved basalt road, about 4 (air) miles northwest of Tamarack Flat, about 6 (air) miles northwest of Little Grass Valley Reservoir. 1651 Comment
  POM147042  Allophyllum violaceum Alice Eastwood 1927-06 14922 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  SEINET10449197  Allotropa virgata Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4019 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
  CAS-BOT-BC171355  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1860 Plumas Butterfly Botanical Area and vicinity. Near Darlingtonia Bog 1066 Comment
  CAS-BOT-BC171365  Alnus incana subsp. tenuifolia Lewis S. Rose 1967-6-12 67113 Plumas Butterfly Valley, ca 3 mi W of Keddie 1097 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  RSA263839  Alnus incana subsp. tenuifolia J. T. Howell 1959-9-22 34833 Plumas Wolf Creek. 1372 Comment
  SEINET4070181  Alnus incana subsp. tenuifolia B. C. Templeton 1967-1 10743 Plumas Butterfly Valley, near Quincy. 1066 Comment
  SEINET5536147 Image available Alnus incana subsp. tenuifolia Clarissa Kimber 1961-1 248 Plumas Upper Butterfly Valley, 2.5 mi. W turn off Hwy 09-US 40 alt. 1 mi. S Keddie; Greenville Quadrangle Comment
  UC1135159  Alnus incana subsp. tenuifolia E. Sawyer 1935-7-9 283 Plumas 1 1/4 mi nnw Kerby; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC171349  Alnus incana subsp. tenuifolia John Thomas Howell 1960-7-17 35501 Plumas Drakesbad, Lassen Volcanic Park 1828 Comment
  CAS-BOT-BC171373  Alnus incana subsp. tenuifolia Hans Leschke 1956-9-21 s.n. Plumas Manzanita Lake. Lassen Volcanic National Park 1781 Comment
  CHSC116387  Alnus incana subsp. tenuifolia Sara M. Taylor; Scott Batiuk 2012-7-13 75 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-BC170694  Alnus rhombifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1449 Plumas Near creek bed of Spanish Creek adjacent to confluence of Butterfly Creek. Butterfly Botanical Area and Vicinity 883 Comment
  CHSC94846  Alnus rhombifolia Lowell Ahart 2006-10-8 13407 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  SBBG25319  Alnus rhombifolia E. Ahrenholz 1962-4-18 20 Plumas between Greenville and Lake Almanor, St Hwy 89 Comment
  JEPS113752  Alopecurus aequalis Lowell Ahart, John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS101230  Alopecurus aequalis var. aequalis Dean W. Taylor 2000-8-12 17576 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  JEPS68430  Alopecurus geniculatus W. L. Jepson 1910-6-14 4134 Plumas Prattville 1310 Comment
  RSA252377  Alopecurus geniculatus R. F. Thorne, C. W. Tilforth 1969-9-6 39247 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  CHSC112647  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  JEPS110456  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
  CAS-BOT-BC417943  Amelanchier alnifolia Michael A. Vincent 1999-6-7 8536 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70 Comment
  CAS-BOT-BC136803  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1400 Plumas Adjacent to Pond reservoir 1097 Comment
  RSA0105545  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
  CDA13570  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-23 13400 Plumas Sierra Nevada; Plumas Natl. Forest. immediately above bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 mi. E of Quincy. Sheet 1 of 2 Comment
  HSC71430  Angelica breweri J. M. DiTomaso 1980-8-27 1944 Plumas 6 mi W of Quincy on Hwy 70, just E of Meadow Valley 1220 Comment
  SEINET10939787  Angelica breweri Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3896 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  SEINET5929455 Image available Antennaria argentea L. S. Rose 1967-1 67161 Plumas 6 mi N of Quincy jct. Comment
  SJSU6949  Antennaria argentea C. W. Sharsmith 1975-6-17 8224 Plumas near Gray Eagle Creek 1371 Comment
  CHSC97178  Antennaria dimorpha Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14039 Plumas Along the west side of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC58705  Antennaria geyeri Clare B. Hardham 1970-8-9 17716 U Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC56839  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 B Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  RSA715928  Antennaria geyeri L. P. Janeway 2005-7-30 8504 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. 1884 Comment
  CAS-BOT-BC58706  Antennaria geyeri L. P. Janeway 1991-8-4 4130 Plumas Saddle E of Squaw Valley Peak along Beckwourth-to-Laufman Road 1905 Comment
  JEPS7474  Antennaria geyeri Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3483 Plumas 1/2 mi e of the town limits Portola 1493 Comment
  CAS-BOT-BC79974  Antennaria microphylla Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC84648  Anthemis cotula John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-20 2237 Plumas Butterfly Botanical Area and Vicinity, near barn in valley proper 1036 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
  JEPS48504  Apocynum androsaemifolium Esther C. Fritz 1933-7-15 Plumas at the peak near Look-out Station Spanish Peak 2133 Comment
  POM253210  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-6-14 s.n. Plumas Near Gray s Flat on the Feather River Highway 869 Comment
  SEINET3157178  Apocynum cannabinum L. S. Rose 1939-6-8 39262 Plumas Twain 853 Comment
  UCD20963  Apocynum cannabinum E. Bortiri 2002-6-21 WFC 11 Plumas Rocky Point, Middle Fork Feather River, near Portola. Comment
  UCR3603  Aquilegia formosa Wm. Horn Jr. 1963-6-19 630619- 8 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CAS-BOT-BC397885  Aquilegia formosa Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 7 miles west of Johnsville, on road to Gibsonville. Comment
  CDA14681  Arabis constancei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  SEINET10874433  Arabis constancei Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3827 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. S side of Hwy 70, ca. 100 ft W (upslope) of RR track, ca. 200 yds S of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. Yellow Pine Forest opening over serpentine; 4000 ft. 1219 Comment
  SEINET10448238  Arabis drummondii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4330 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CDA19239  Arabis puberula G. D. Barbe, T. C. Fuller 1982-6-17 3825 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET5642054  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-5-29 81161 Plumas 5.2 miles northwest of Beckwourth on road to Genesee.; 0 Comment
  POM180940  Arabis rectissima A. A. Heller, P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  CAS-BOT-BC407712  Arceuthobium abietinum Mrs. Jos. Clemens 1919-11-1 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 Comment
  CAS-BOT-BC407711  Arceuthobium abietinum John Thomas Howell 1926-7-25 2115 Plumas near Prattville 1463 Comment
  RSA101401  Arceuthobium abietinum R. Weatherby 1955-8-6 1674 Plumas Near Claremont Peak, Quincy area. 2012 Comment
  RSA201279  Arceuthobium americanum J. T. Howell 1959-9-22 34866 Plumas Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad. 1677 Comment
  CAS-BOT-BC407770  Arceuthobium californicum Lowell Ahart 1987-9-29 5908 Plumas along Hartman Bar Ridge Road, about 3.5 miles NW of Tamarack Flat and about 5.5 miles NW of Little Grass Valley Reservoir 1706 Comment
  UC1078839  Arceuthobium campylopodum Job Kuijt 1958-5-20 1347 Plumas 7.5 mi w Blairsden Comment
  UC1078843  Arceuthobium campylopodum Job Kuijt 1957-5-21 1351 Plumas 3 mi n Almadore (on Hwy 89) Comment
  SEINET2140125  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -62 Plumas S. end of Long Lake. 2020 Comment
  CAS-BOT-BC24206  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42200 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  RSA189352  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1967-5-7 67068 Plumas South of Keddie. Butterfly Creek and Spanish Creek. 884 Comment
  CAS-BOT-BC38617  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34778 Plumas N. Fork Feather River near Belden 701 Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CAS-BOT-BC40011  Arctostaphylos nevadensis Mrs. Joseph Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CDA14732  Arctostaphylos nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3263 Plumas summit of Mount Hough. 2194 Comment
  RSA52905  Arctostaphylos nevadensis R. Weatherby 1950-8-11 1526 Plumas Side of Mt. Elwell, Lakes Basin Area. 2195 Comment
  UC565902  Arctostaphylos nevadensis E. Nourse 1934-9-4 28 Plumas e side Clermont Hill; Downieville Quadrangle 2133 Comment
  CAS-BOT-BC40002  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 34876 Plumas 3 mi. s. of Lassen Park boundary on road to Chester 1828 Comment
  SEINET9339325  Arctostaphylos nevadensis Unknown 1982-6-15 3718 Plumas 1 mi below and NE of Red Hill Summit, Plumas National Forest. Comment
  CHSC55688  Arctostaphylos patula Ben Cunningham 1991-4-20 Plumas Ca. 20 ft W of Highway 70 at Twain, 18 mi S of Greenville. 975 Comment
  RSA122008  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas Southwest of La Porte. Alt. 5400 feet. Comment
  RSA139616  Arctostaphylos patula E. Nourse 1934-7-31 2 Plumas Chaparral Hill, Plumas National Forest. Bidwell Bar Quadrangle. 1616 Comment
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Aug 31 2015
  UC1120794  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas sw La Porte; Plumas National Forest, Downieville Quadrangle Comment
  CHSC23684  Arctostaphylos patula subsp. patula K. Stern; J. Cox 1975-7-24 Plumas W. side of Lake Almanor. Comment
  CAS-BOT-BC27299  Arctostaphylos truei W. Knight; Irja Knight 1968-3-7 2593 Plumas From Injun Jim Campground on North Fork Feather River 609 Comment
  SEINET11987211  Arctostaphylos truei W. Knight, Knight, I. 1981-1 3950 Plumas Tilden Botanic Garden, Berkeley, orig. from Injun Jim Campground, Feather River Hwy 640 Comment
  CAS-BOT-BC47028  Arctostaphylos viscida subsp. viscida Catherine Toschi 1963-7-2 s.n. Plumas 2 mi. nw. of Greenville. Comment
  RSA123203  Arctostaphylos viscida subsp. viscida E. Nourse 1934-8-14 15 Plumas 2.5 miles east and 6.5 miles south of Quincy. 1098 Comment
  SEINET3840868  Arenaria congesta var. suffrutescens G. Douglas Barbe, Thomas C. Fuller, , J. T. Howell 1981-6-25 3332 Plumas 0.5 miles southeast of bridge crossing Indian Creek; 0.1 mile northwest of junction with road to Antelope Lake Dam 1580 Comment
  RSA169383  Arenaria kingii subsp. kingii L. S. Rose 1963-6-4 4800 Plumas Sierra Valley, 1 mile S of Beckwourth 1463 Comment
  CHSC63125  Arenaria kingii var. glabrescens Lowell Ahart 1994-6-29 7413 Plumas West of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  UC1509627  Arenaria kingii var. glabrescens L. and P. Ahart 1983-8-17 4321 Plumas near Onion Valley (w of Pilot Peak, near the Quincy-Laporte Rd. ne of La Porte) 2000 Comment
  CHSC54512  Arnica chamissonis Vernon H. Oswald 1991-8-8 4819 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  JEPS111005  Arnica chamissonis Bruce G. Baldwin with Susan J. Bainbridege 1999-8-17 1091 Plumas Last Chance Marsh (east edge). ca. 100 feet west of road to Last Chance Campground at junction with road bearing east (where extends to east of road do campground) 1377 Comment
  CAS-BOT-BC82217  Arnica chamissonis Mrs. Jos Clemens 1920-7-30 2 Plumas Feather River Meadows Forestry Station near Tehama & Plumas Co. lines Comment
  UC1192155  Arnica chamissonis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1396 Plumas 2 mi n, near Chester Lake Alamor; Last Chance Creek Comment
  RSA726445  Arnica chamissonis subsp. foliosa L. Ahart, John Dittes 2007-6-17 14199 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
  UC1119283  Arnica cordifolia E. Sawyer 1935-6-17 116 Plumas 5 mi sse Crow; Sierraville Quadrangle 1798 Comment
  UCD129195  Arnica dealbata W. R. Powell 1968-7-2 1589 Plumas 1.25 miles northeast of La Porte. 1700 Comment
  JEPS115227  Arnica discoidea Lowell Ahart, John Dittes 2009-7-15 16093 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
  CAS-BOT-BC82507  Arnica discoidea Anna Head 1921-7-28 s.n. Plumas trail to Long Lake, Feather River Region Comment
  CDA18733  Arnica discoidea G. D. Barbe, T. C Fuller 1982-7-15 3740 Plumas Plumas National Forest; 2.1 miles NE of junction with road to Red Hill Summit. 1524 Comment
  JEPS102268  Arrhenatherum elatius L. P. Janeway 1996-6-20 5026 Plumas Northern High Sierra Nevada. Along Road 25N17 (road from Virgilia to Meadow Valley) 0.3 mi from Road 25N20, in total 1.9 mi from railroad crossing and East Branch North Fork Feather River. 1066 Comment
  UCD56015  Arrhenatherum elatius B. Corbin 2001-6-7 1006 Plumas Susanville. North of Chilcoot. 1627 Comment
  SEINET12728722 Image available Artemisia Noah Siegel, Wendy Boes, Chelsea Morgan 2016-1 2016 001 A Plumas Plumas National Forest; Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake. 2190 Comment
  UC1119390  Artemisia arbuscula subsp. arbuscula N. French 1934-11-16 559 Plumas 6 mi s of Beckwith; Sierraville Quadrangle 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
  SEINET224357 Image available Artemisia cana John Thomas Howell 1959-9-24 Plumas Plumas County: Beckwourth. 1487 Comment
  CHSC113868  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -A Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Resrvoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC34883  Artemisia douglasiana M. S. Taylor 1981-8-31 4258 Plumas Both sides of Hwy 89, ca. 0.5 mi S of Clio. 1341 Comment
  CAS-BOT-BC97249  Artemisia ludoviciana Greg Sommers 1976-7-26 194 Plumas On bank along side of Dyson Lane 20 meters west of the metal bridge, Sierra Valley Marsh 1524 Comment
  CAS-BOT-BC93477  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34970 Plumas Sierra Nevada - Beckworth 1487 Comment
  HSC5016  Artemisia tridentata subsp. tridentata W. R. Rogers 1966-7-5 279 Plumas 1982 Comment
  JEPS113429  Artemisia tridentata subsp. tridentata Lowell Ahart, John Dittes 2007-8-9 14435 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA716597  Artemisia tridentata subsp. tridentata L. Ahart, John Dittes 2005-9-19 12414 Plumas About 1.5 miles southeast of Kettle Rock, about 1.5 miles southeast of Taylor Lake 2008 Comment
  SD7866  Asarum hartwegii R. M. Austin 1879-1 Plumas unknown Comment
  RSA790003  Asarum lemmonii Rudolf W. Becking 1996-6-6 36 Plumas Keddie, Hwy. 89, Butterfly Valley Creek. Comment
  CHSC21117  Asclepias cordifolia F. T. Griggs; A. Pass 1975-7-2 27 Plumas East of Road. Buck's Lake Forest. Comment
  RSA121922  Asclepias cordifolia D. Axelrod 1934-6-9 s.n. Plumas 2 miles northwest of Lexington Hill 1768 Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  UC1123544  Asclepias fascicularis C. W. Hanks 1934-9-18 85 Plumas hills n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET3158544  Asclepias fascicularis E. K. Balls 1950-9-14 sn Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  JEPS49832  Asclepias speciosa E. Fritz and T. H. Harris 1926-7-18 Plumas Meadow Valley Comment
  CDA39824  Asclepias speciosa T. C. Fuller 1959-7-6 4298 Plumas Highway 89, 1 mile north of Highway 40A, 1.7 miles north of Patton. 0 Comment
  UCSB46167  Aspidotis californica Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70 Comment
  CAS-BOT-BC69591  Aspidotis densa Clarence R. Quick 1952-6-29 52 -79 Plumas Summit road between belden and Humbug Valley. 1486 Comment
  CAS-BOT-BC97472  Aster Fred Sommers 1976-1 234 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  HSC100779  Aster eatonii Lowell Ahart, John Dittes 2009-8-28 16353 Plumas N side of F.S. Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam and 3 (air) mi. SW of Lake Almanor Reservoir Dam. 1477 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
  RSA59416  Aster integrifolius E. K. Balls 1950-9-8 15709 Plumas Lakes Center Public Campground. 2043 Comment
  RSA60262  Aster intermedius E. K. Balls 1950-9-1 15587 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  RSA59444  Aster occidentalis var. fremontii E. K. Balls 1950-9-8 15726 Plumas Lakes Center Public Campground 2043 Comment
  NY162005  Aster radulinus R. M. Austin 1875-1 184 Plumas Comment
  UC1583991  Astragalus lemmonii G. Schoolcraft 1990-6-4 2064 Plumas on s side of Hwy 70 about 5 mi e Beckwourth; e of Beckwourth 1490 Comment
  UCD104873  Astragalus lemmonii Collector unknown 1954-10-20 s.n. Plumas Border of Sierra County line. 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
  CHSC48056  Astragalus lentiformis L. P. Janeway 1989-7-21 3510 Plumas Plumas National Forest. At jct of rds 25N85 and 25N05, 2.5 mi NE of Beckwourth-Genesee Rd (rd 111) and Red Clover Valley, 15.7 mi from Beckwourth. 1722 Comment
  RSA637592  Astragalus lentiformis Michael A. Vincent 1999-6-7 8530 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  SJSU14357  Astragalus lentiformis N. A. Hopkins 1990-5-12 1609 Plumas SW side of Red Clover Valley by Beckwourth to Genessee Rd, 11.2 mi NW of Beckwourth, 0.4 mi NW of Red Clover ranch-house 1645 Comment
  UCD35212  Astragalus lentiginosus Beecher Crampton 1954-7-5 2050 Plumas 1.5 miles north o Greenville, Hwy. 89. Comment
  UC1094005  Astragalus pulsiferae var. pulsiferae Lewis S. Rose 1955-7-19 55152 Plumas Beckworth Pass Beckworth Pass (sagebrush covered slopes) 1493 Comment
  CDA17281  Astragalus purshii var. purshii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16308 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA95476  Astragalus purshii var. purshii L. S. Rose 1954-5-30 54075 A Plumas Beckwourth. 1524 Comment
  CHSC88847  Astragalus webberi L. Hanson 1987-5-26 303 Plumas Plumas National Forest. China Grade Rd. 1554 Comment
  RSA18764  Astragalus webberi Marcus E. Jones 1937-1 s.n. Plumas [photo] Comment
  RSA94054  Astragalus webberi R. C. Barneby 1954-5-14 11478 Plumas 1.5 miles S of Crescent Mills 1082 Comment
  RSA101472  Astragalus whitneyi var. confusus R. Weatherby 1955-7-2 1567 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC88661  Asyneuma prenanthoides Linnea Hanson 1981-7-15 148 Plumas Plumas National Forest. 1524 Comment
  JEPS114945  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 Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  SEINET9630131 Image available Athyrium filix-femina R. V. Chamberlain 1935-8-9 n.s. Plumas Lassen National Park, Calif. Comment
  RSA795639  Athyrium filix-femina subsp. cyclosorum L. Ahart 2011-9-17 17656 Plumas On the south side of an unnamed stream that flows east in Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC102684  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes 2009-8-28 16350 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
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Oct 12 2010
  SD9780  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1880-1 Plumas Big Meadow Comment
  CAS-BOT-BC66089  Athyrium filix-femina var. cyclosorum George W. Gillett 1957-7-19 851 Plumas 1 1/2 miles above the Devils Kitchen, above Sifford Lakes trail 2057 Comment
  CHSC34271  Athysanus pusillus M. S. Taylor 1981-5-10 3679 Plumas Forest next to Pioneer Cabin meadow, e side of Antelope Lake, ca. 20 air mi ne of Taylorsville. 1536 Comment
  UCD97851  Atriplex truncata John Thomas Howell 1959-9-25 35017 Plumas 5 miles east of Beckwourth, Sierra Valley. 1493 Comment
  SEINET7712043  Bahia lanata Unknown Plumas Black Hawk Creek Comment
  CAS-BOT-BC100038  Balsamorhiza deltoidea John Thomas Howell 1975-6-16 51137 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CDA18704  Balsamorhiza deltoidea G. D. Barbe, T. C. Fuller 1982-6-15 3707 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CAS-BOT-BC106459  Balsamorhiza hookeri John Thomas Howell 1978-4-14 52860 Plumas On edge of pine woods, west of Portola - Sierra Nevada Comment
  CHSC45641  Balsamorhiza sagittata Vernon Oswald 1984-7-5 1349 Plumas Pacific Crest Trail 1.2 mi E of Humboldt Summit. 2026 Comment
  CHSC69991  Balsamorhiza sagittata L. P. Janeway 1997-5-7 5115 Plumas Along Beckwourth-Genesee Road 3.7 mi southeast of Indian Creek. Above Red Clover Creek. 1365 Comment
  CHSC102703  Barbarea orthoceras Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16158 Plumas Bottom of a small wash, on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC37007  Beckmannia syzigachne M. S. Taylor 1982-8-27 5068 Plumas Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1487 Comment
  CHSC67625  Berula erecta James D. Jokerst 1985-7-23 2536 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 Comment
  RSA508621  Betula nana Mrs. R. M. Austin 1879-06 s.n. Plumas Big Meadows. Comment
  SEINET7239964 Image available Bidens cernua E. K. Balls 1950-8-31 15565 Plumas Behind Forest Service Ranger Station, Quincy (American Valley) 1097 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
  CHSC21181  Bistorta bistortoides F. T. Griggs; A. Pass 1975-7-17 215 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS104109  Blepharipappus scaber Lowell Ahart 2003-8-8 10484 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  SEINET7379355 Image available Blepharipappus scaber W. Harnach, N. Harnach 1990-8-27 522 Plumas Sierra Valley. Intersection of Co. Rd. A-23 and Marble Lane 1490 Comment
  CAS-BOT-BC16866  Boechera Catherine Best 1979-6-14 s.n. Plumas Sierra Nevada. Eureka Park, 1 mile east of river on main road. Comment
  CHSC36676  Boechera breweri R. E. Preston 1982-4-29 270 Plumas At roadside; ca. 0.3 mi s of Hwy 70 bridge at Rock Creek. 518 Comment
  UCD114358  Boechera breweri R. E. Preston 1982-4-29 273 Plumas ca. 30 yds e of Chips Creek, between Forest and Riparian zone, ca. 100 yds n of Hwy 70. 655 Comment
  CAS-BOT-BC16138  Boechera constancei M. S. Taylor 1982-6-1 4582 Plumas North side of 204, ca. 1 air mile southeast of Long Valley Mine, ca. 4 air miles west of Greenville. 1524 Comment
  CHSC34003  Boechera constancei M. S. Taylor; M. Foster 1981-6-15 3893 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29 (rd to Deanes Valley), ca. 2 mi ne of Meadow Valley. 1158 Comment
  CAS-BOT-BC14081  Boechera pauciflora John Thomas Howell 1960-7-19 35637 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC43434  Boechera pinetorum Lowell Ahart 1974-7-24 559 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1676 Comment
  CHSC63450  Boechera pinetorum Lowell Ahart 1994-7-22 7493 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  JEPS106218  Boechera pinetorum Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10995 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC14260  Boechera pinetorum Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 0.4 mile from Meadow Valley Inn, near Meadow Valley Creek Ford. Comment
  CAS-BOT-BC14662  Boechera rectissima Thomas H. Kearney 1944-8-14 57 Plumas Near Prattville, Lake Almanor. Comment
  CHSC94125  Boechera rectissima Lowell Ahart 2006-7-3 12908 Plumas Near the east edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  JEPS103375  Boechera rectissima Lowell Ahart 2002-6-26 9774 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CAS-BOT-BC25410  Boechera retrofracta John Thomas Howell; Gordon H. True 1969-6-23 45835 Plumas SIerra Nevada. On Middel Fork of Feather River at Nelson Point. 1249 Comment
  CAS-BOT-BC25594  Boechera retrofracta Mary Strong Clemens 1920-4-24 s.n. Plumas Greenville. Comment
  CHSC53193  Boechera retrofracta L. P. Janeway 1989-6-12 3298 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CAS-BOT-BC25408  Boechera retrofracta John Thomas Howell 1951-6-28 27720 Plumas Eureka Park. 2255 Comment
  SD9251  Botrychium multifidum T. S. Brandegee Jul 1892 Plumas Comment
  UCD136808  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 376 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  CHSC82538  Botrychium simplex var. compositum Lowell Ahart; John Dittes 2002-6-17 9728 Plumas In meadow, about 150 yards south of the road, about 3/4 mile (air) west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1716 Comment
  JEPS99053  Botrychium simplex var. compositum Lowell Ahart 2002-7-24 9921 Plumas 3/4 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1634 Comment
  CHSC45965  Boykinia major Lowell Ahart 1976-7-7 1164 Plumas Along Cold Water Creek, east of the camp, about 4 miles south of Grizzly Mountain. 1524 Comment
  CAS-BOT-BC417624  Boykinia major Paul F. Covel 1937-7-20 793 Plumas Highway pass east Buck's Comment
  UCD149880  Brasenia schreberi William Anderson 1964-10-3 s.n. Plumas Butterfly Valley. Comment
  UC1382126  Brickellia greenei L. Constance and Tsan-Iang Chuang 1969-7-11 3874 Plumas 8.6 mi sw of Arch Rock Tunnel; North Fork of Feather River Comment
  CAS-BOT-BC484566  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS, Quincy 1066 Comment
  CAS-BOT-BC484567  Brodiaea minor Walter Knight; Irja Knight 1966-6-18 1326 Plumas In area north of Pond Reservoir 1097 Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  CAS-BOT-BC149321  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-11 43375 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CAS-BOT-BC149322  Bromus carinatus var. carinatus Clare B. Hardham 1975-8-2 20475 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  CHSC88195  Bromus carinatus var. carinatus Lowell Ahart 2004-7-27 11317 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CAS-BOT-BC148711  Bromus carinatus var. marginatus John Thomas Howell 1975-7-22 51369 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC148712  Bromus carinatus var. marginatus Clare B. Hardham 1970-8-9 17716 T Plumas Road to Thompson Peak Lookout. 2133 Comment
  JEPS114921  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of L 1597 Comment
  CAS-BOT-BC155967  Bromus commutatus John Thomas Howell 1955-7-20 30867 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CAS-BOT-BC155975  Bromus commutatus John Thomas Howell; Gordon H. True 1967-7-11 43302 Plumas Sierra Nevada. 2.5 miles from Quincy junction on road to Mount Hough. 1249 Comment
  JEPS45881  Bromus hordeaceus L. S. Smith 1925-4-29 1559 Plumas Tahoe National Forest, s slope of Grizzley Ridge Grizzley Ridge; Tahoe National Forest, Grizzley Ridge 975 Comment
  UCD58849  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43377 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CHSC69485  Bromus inermis subsp. inermis James D. Jokerst 1985-6-10 2395 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  OBI2915  Bromus japonicus Lewis S. Rose 1968-6-10 68087 Plumas Quincy 1036 Comment
  SEINET10900482  Bromus marginatus Lawrence P. Janeway 1989-1 Janeway 3416 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of Sec. 33. 1756 Comment
  RSA715686  Bromus orcuttianus L. Ahart 2005-8-9 12268 Plumas north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of Boulder Creek Work Center at Antelope Lake. 1598 Comment
  CAS-BOT-BC162013  Bromus racemosus John Thomas Howell; Gordon H. True 1968-6-10 44543 A Plumas Sierra Nevada. Quincy. 1036 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
  CHSC91943  Bromus suksdorfii Lowell Ahart; Josephine Guardino 2005-8-9 12259 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  JEPS107646  Bromus suksdorfii Lowell Ahart, Josephine Guardino 2005-8-9 12259 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  RSA641467  Bromus tectorum Michael A. Vincent 1999-6-8 8569 Plumas Plumas National Norest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. T25N R14E sect. 27. Comment
  JEPS103536  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards S of the road to Tamarack Flat, on the S side of a small branch of Fall River, ca 1/8 mile SW of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam 1718 Comment
  CHSC69486  Calamagrostis koelerioides James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2550 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  UCD148558  Calamagrostis koelerioides G. Ledyard Stebbins 1986-6-29 C 609 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
  CAS-BOT-BC438485  Calandrinia ciliata John Thomas Howell; Gordon H. True 1967-6-11 42577 Plumas At Quincy. 1036 Comment
  CHSC40594  Calocedrus decurrens Lowell Ahart; Jim Jokerst 1985-10-4 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles northeast of La Porte. 1828 Comment
  JEPS104252 Image available Calocedrus decurrens Lowell Ahart 2003-10-15 10636 Plumas On the e side of Forest Rd 22N94E, ca 50 yd south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1583 Comment
  UC139977  Calocedrus decurrens Mrs. R. M. Austin 1896-8-1 699 Plumas Butterfly Valley Comment
  POM147067  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, near Greenville. Comment
  CDA15915  Calochortus leichtlinii B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; above upper Bull Run Creek off USFS 23N12E. Comment
  CHSC2444  Calochortus leichtlinii R. Carter 1965-7-6 27 I Plumas Found ca. 7 mi. W of Bucks Lake on Oroville-Quincy Rd. at Frenchman's Hill, on S side of Rd, ca. 30 yds. SSW of Frenchman's Hill sign. 1767 Comment
  CAS-BOT-BC491839  Calochortus leichtlinii Margaret Williams; Emily McPhersen 1974-8-5 74 -P-8 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin 2133 Comment
  CAS-BOT-BC491841  Calochortus leichtlinii H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsville, on road from Mohawk to La Porte Comment
  CAS-BOT-BC491842  Calochortus leichtlinii Robert J. Weatherby 1950-8-11 1521 Plumas Near spring on slopes of Mt. Elwell, Lake Basin Area 2194 Comment
  SEINET5323731  Calochortus leichtlinii M. J. Williams 1966-7-11 s.n. Plumas Near Luther Ridge road, above Johnsville 2286 Comment
  POM181943  Calochortus nudus J. G. Lemmon 1887-5-27 s.n. Plumas Mohawk Valley Comment
  CDA15382  Calochortus tolmiei G. F. Hrusa 1997-5-3 13837 Plumas Sierra Nevada; in 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CAS-BOT-BC271528  Calycadenia truncata subsp. truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi. e. of Clio 1706 Comment
  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
  UC852128  Calyptridium monospermum A. A. Heller 1938-5-30 15132 Plumas near Bucks Creek Powerhouse; Feather River; Feather River, near Bucks Creek power house, Plumas Co. 609 Comment
  UC1136680  Calyptridium umbellatum A. E. Wieslander 1927-7-10 15 Plumas between Gold Lake and Silver Lake ( Plumas National Forest); Plumas National Forest 1828 Comment
  CHSC10573  Calystegia malacophylla subsp. malacophylla Lowell Ahart 1968-6-29 Plumas Near La Porte. 1371 Comment
  CHSC82602  Calystegia malacophylla subsp. malacophylla L. P. Janeway 2001-7-3 7257 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. 1567 Comment
  CDA13360  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13209 Plumas Sierra Nevada; Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CDA14132  Calystegia occidentalis subsp. occidentalis G. F. Hrusa 1997-5-3 13822 Plumas Sierra Nevada; W side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  SEINET10902982  Calystegia polymorpha Mary Susan Taylor 1982-8-12 Taylor 4981 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  CAS-BOT-BC496988  Camassia leichtlinii subsp. suksdorfii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1689 Plumas Wet area in Sweetwater Meadow 1127 Comment
  CHSC75415  Camassia quamash subsp. breviflora Vernon H. Oswald 1999-5-26 9730 Plumas Rest Area on Hwy. 89 between Hwy. 36 and Prattville on the south side of Lake Almanor. 1389 Comment
  CAS-BOT-BC497564  Camassia quamash subsp. breviflora Alice Eastwood 1918-5-25 7058 Plumas Portola Comment
  RSA39724  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-17 11842 Plumas 16 miles N of Chilcoot 1524 Comment
  UCD138366  Camassia quamash subsp. breviflora Matt Georgeff 1992-5-18 23 Plumas near Portola, left at Davis Lake turnoff. 1615 Comment
  CHSC2473  Camassia quamash subsp. quamash R. Carter 1965-7-6 266 Plumas Found 0.25 mi. S of intersection of Oroville-Quincy Rd. and U. S. F. S. road 24N33 on Oroville-Quincy Rd. 1767 Comment
  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
  HSC97317  Camissonia claviformis subsp. integrior June McCaskill 465 Plumas Lake Almanor region Comment
  UCD103267  Camissonia contorta A. A. Beetle 1941-6-28 2892 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC160837  Camissonia tanacetifolia subsp. quadriperforata John Thomas Howell 1962-6-18 37769 Plumas Sierra Valley near Beckwourth 1487 Comment
  SEINET196206 Image available Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge. 1067 Comment
  UC924238  Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge 1066 Comment
  POM67173  Campanula prenanthoides Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  SEINET10462852  Campanula prenanthoides Donald E. Brink, L. M. Mayer 1975-7-3 Brink s.n. Plumas BUCK'S LACK FOREST SERVICE SURVEY. T24N R6E SECT. 26 Comment
  SEINET10463033  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas RIDGE BETWEEN ONION CR & MIDDLE FORK FEATHER RIVER Comment
  SEINET10872988  Campanula wilkinsiana Holt 1942-8-9 Holt s.n. Plumas DEER CREEK MEADOWS Comment
  RSA101463  Cardamine breweri R. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  JEPS96798  Cardamine nuttallii Dean W. Taylor 1997-4-9 15946 Plumas Wolf Creek N of Greenville; Plumas National Forest Comment
  CHSC81355  Cardamine oligosperma L. P. Janeway 1996-4-11 4954 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CHSC81356  Cardamine pachystigma L. P. Janeway 1996-4-11 4953 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CHSC99231  Cardamine pachystigma John Dittes 2005-7-4 1195 Plumas Cascade Range; drainage of Lights Creek; ca. 10.8 air miles northeast of Taylorsville, ca. 7.3 air miles southwest of Diamond Mountain, ca. 4.2 air miles east of Moonlight Peak; east of Lights Creek on talus slope east of (above) Coounty Road 213. 1295 Comment
  CAS-BOT-BC38094  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  JEPS102240  Cardamine pachystigma var. dissectifolia L. P. Janeway 1996-4-11 4953 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  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
  CAS-BOT-BC18362  Carex John Thomas Howell 1962-6-16 37643 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  UCD20956  Carex E. Bortiri 2002-6-1 WFC 4 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Plumas Co. Comment
  JEPS117695  Carex abrupta Lowell Ahart 2010-10-21 17304 Plumas On dry rocky soil, along a small wash, open dry meadow, about 80 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  JEPS63773  Carex abrupta W. L. Jepson 1910-6-9 4101 Plumas near Lassen Peak; Hot Springs Valley 1828 Comment
  CAS-BOT-BC18590  Carex abrupta Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 mile south of Qunicy, on road to La Porte. 1981 Comment
  CAS-BOT-BC17835  Carex amplifolia W. I. Follett 1943-8-9 s.n. Plumas Rich Gulch. 883 Comment
  CAS-BOT-BC17836  Carex amplifolia L. P. Janeway 1991-7-4 4118 Plumas Plumas National Forest. Beckwourth Ranger Distrcit. Mt. Ingalls Compartment. 1691 Comment
  CAS-BOT-BC17938  Carex angustata John Thomas Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CHSC108116  Carex angustata Lowell Ahart 2011-9-20 17694 Plumas On the east side of East Branch Creek, on the east side of Quincy La Porte road, about 1 3/4 miles (air) soouth of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  UC1133353  Carex angustata E. Sawyer 1935-6-27 190 Plumas 1.6 mi ene Grizzly Pk.; Plumas National Forest, Downieville Quadrangle Comment
  UC2015879  Carex angustata Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4415 Plumas Lassen Volcanic National Park. Drakesbad. Upper area, in low places west of the creek. Comment
  CHSC43522  Carex athrostachya Lowell Ahart 1977-8-8 1542 Plumas Near the pond in Onion Valley, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC92296  Carex athrostachya Lowell Ahart; Josephine Guardino 2005-8-9 12269 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS113737  Carex athrostachya Lowell Ahart, John Dittes 2007-6-17 14165 Plumas West bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC19738  Carex athrostachya Dorothy E. Beetle 1941-6-28 56 Plumas Northwest corner of Lak Almanor. 975 Comment
  CHSC77031  Carex aurea G. Douglas Barbe; T. C. Fuller 1982-6-17 3859 Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access. At the shore of the N arm of the lake. 1706 Comment
  SEINET191585  Carex bolanderi Lewis S. Rose 1939-6-8 39271 a Plumas S. end of Lake Almanor 1372 Comment
  CHSC101780  Carex brainerdii Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15861 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC53573  Carex brainerdii L. P. Janeway 1984-7-22 929 Plumas Summit above Lookout Rock, 1 1/2 mi NE of Mt Ararat. 1815 Comment
  JEPS95366  Carex brainerdii Lowell Ahart 1994-6-29 7419 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  RSA201329  Carex brainerdii J. T. Howell 1960-7-22 35912 Plumas Drakesbad. Devils kitchen 1677 Comment
  SBBG33907  Carex brainerdii L. S. Rose 1969-6-23 69043 Plumas La Porte Rd, 8 mi SW of Quincy 1310 Comment
  UCD140184  Carex brainerdii John Thomas Howell 1960-7-22 35911 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  JEPS28361  Carex brainerdii George W. Gillett 1957-7-13 758 Plumas slope below Sifford Lakes (along direct route to the Devil's Kitchen); Lassen Volcanic National Park 2057 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
  SEINET10752412  Carex brainerdii Lewis S. Rose 1969-6-23 Rose 69043 Plumas 8 mi, SW of Quincy. La Porte Road. 1311 Comment
  CAS-BOT-BC20593  Carex douglasii Lewis S. Rose 1954-5-30 54063 Plumas Johnsville. 1600 Comment
  CAS-BOT-BC20087  Carex echinata F. Thos. Griggs 1975-1-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  CHSC102586  Carex echinata subsp. echinata L. P. Janeway; B. Castro 2009-7-4 9847 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge,. 1576 Comment
  CHSC21227  Carex echinata subsp. echinata F. T. Griggs; A. Pass 1975-8-7 312 Plumas Buck's Lake Forest Service Survey. Comment
  RSA189384B  Carex echinata subsp. echinata L. S. Rose 1967-6-12 67112 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  CAS-BOT-BC20118  Carex feta Thomas H. Kearney 1944-8-14 23 Plumas Near Prattville.Lake Almanor. Comment
  CDA13986  Carex feta G. F. Hrusa 1996-8-2 13425 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Common on +- disturbed area of wet springline, forming tributary of Squirrel Creek. Comment
  SEINET7559363 Image available Carex fracta L. P. Janeway 2003-7-19 7909 Plumas Reading Peak 7.5' quad. High Cascade Range. At the end-of-the-roead trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  SJSU8614  Carex hassei C. W. Sharsmith 1975-6-18 8229 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CHSC110367  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas Around the south edges of a small meadow, at the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  RSA63111  Carex heteroneura L. S. Rose 1951-6-28 51037 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  RSA71077  Carex hoodii L. S. Rose 1951-6-27 51025 Plumas Johnsville. 1601 Comment
  UC1026407  Carex hoodii Lewis S. Rose 1954-5-30 54065 Plumas Johnsville 1600 Comment
  UCD140445  Carex hoodii John Thomas Howell 1960-6-17 35499 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC7551  Carex infirminervia George Wilson Gillett; Hans Leschke 1957-7-13 748 Plumas Drakesbad Valley at juncture of Bench Lake and Devils Kitchen trails. 1859 Comment
  RSA97925  Carex integra J. T. Howell 1951-6-27 27591 A Plumas McRae Meadow. 1982 Comment
  CHSC80880  Carex jonesii Lowell Ahart 2001-7-23 9000 Plumas Meadow, on the south side of a poor logging road, start of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UCD108007  Carex jonesii Tim Kuhn 2006-6-18 58 Plumas adjacent to Crocker Guard Station. Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  JEPS87511  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
  JEPS91028  Carex lasiocarpa Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11436 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  CAS-BOT-BC31150  Carex lemmonii Lowell Ahart 1966-6-18 1346 Plumas In a bog 100 m east of Ohio Ravine. 518 Comment
  SD130940  Carex lemmonii L. S. Rose 1967-6-12 67111 Plumas Sierra Nevada; Butterfly Valley. 1096 Comment
  CHSC47142  Carex lenticularis var. impressa Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  RSA60122  Carex lenticularis var. impressa E. K. Balls 1950-9-2 15646 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  SBBG119804  Carex lenticularis var. impressa L. Ahart 2006-7-9 12922 Plumas ca. 3.75 air mi NW of Tamarack Flat, ca. 5.75 air mi NW of Little Grass Valley Reservoir, ca. 100 yds N of paved basalt rd 1678 Comment
  HSC95568  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas 150 yds. S of the road, 3/4 mi. W of Lumpkin Ridge Rd., 1 mi. SE of Tamarack Flat, 2 mi. NW of Little Grass Valley Reservoir dam, 5 mi. NW of La Porte 1731 Comment
  CAS-BOT-BC31640  Carex luzulina var. ablata L. P. Janeway 1990-6-27 3734 Plumas Mt. Ingalls quad. Headwaters of Joseph Creek on NE side of Grizzly Ridge. 2103 Comment
  CHSC110986  Carex mendocinensis Lowell Ahart 2012-7-1 18251 Plumas Along the creek, on both sides of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CAS-BOT-BC31944  Carex microptera John Thomas Howell 1951-6-27 27584 Plumas McRae Meadow. 1981 Comment
  CAS-BOT-BC32031  Carex multicaulis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville Comment
  CHSC101789  Carex multicaulis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15860 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC110979  Carex multicaulis Lowell Ahart 2012-7-1 18249 Plumas About 200 yeards west of Caribuou Road, about 4 miles (air) northeast of Belden. 833 Comment
  UCD140657  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  CHSC55564  Carex nebrascensis L. P. Janeway 1990-7-11 3792 Plumas Plumas National Forest. About 1/4 mi east of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  CHSC77034  Carex nebrascensis G. Douglas Barbe; T. C. Fuller 1982-6-17 3860 Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; marshy seep area at the shore of N arm of the lake. Comment
  CHSC92300  Carex nebrascensis Lowell Ahart; Josephine Guardino 2005-8-9 12255 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC40989  Carex nudata J. D. Jokerst 1984-7-10 2094 Plumas Edges of Indian Creek east of Genesee Valley. 1264 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
  SEINET8989743 Image available Carex pachystachya Unknown 2000-1 6836 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km south east of Crystal Peak. Constantia quad. Comment
  CHSC52550  Carex rossii L. P. Janeway 1989-7-7 3467 Plumas Plumas National Forest. Near creek just E of Lava Spring; above the NE side of Red Clover Valley. 1767 Comment
  SEINET3907577  Carex rostrata Lowell Ahart 1985-7-11 5124 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4.5 miles northeast of La Porte.; 0 1585 Comment
  UCSB63734  Carex scabriuscula Jokerst, James; Schlising, R.; Ahart, Lowell 1985-8-12 Plumas Hwy. 70, Serpentine Canyon, 1.6 mi. SW of its junction with Rich Gulch Rd.: T25N R7E, probably Sect. 13 Comment
  SEINET10587680  Carex serratodens Lowell Ahart 2000-5-21 Ahart 8381 Plumas T25N, R7E, southeast 1/4 Section 5. On the west side of Caribou Road, about 4 miles (air) northeast of Belden. 853 Comment
  CHSC60505  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas Plumas National Forest. South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines; 1/2 mi west of Mohawk, 1/4 mi west of Middle Fork Feather River. 1341 Comment
  CHSC97294  Carex sheldonii Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14464 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC53547  Carex simulata L. P. Janeway 1989-6-15 3316 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC97073  Carex simulata Lowell Ahart; Josephine Guardino 2007-7-21 14364 Plumas Shallow water in 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
  CHSC109856  Carex specifica L. P. Janeway 2012-8-1 11039 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibsonville-Johnsville Road about 0.5 km north of its bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1729 Comment
  CHSC34540  Carex specifica J. D. Jokerst; R. A. Schlising 1981-8-1 1453 B Plumas Just north of Butte County line, seep at headwaters of Upper Scotts John Cr. S of saddle between Humboldt Peak and Eagle Rock. Comment
  SEINET7576277 Image available Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy. 1036 Comment
  CHSC92205  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12264 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC92206  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12273 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS107616  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12291 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CAS-BOT-BC115981  Carex subfusca L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4490 Plumas Along Dolly creek at upper portion of the Walker Mine tailings. Mt. Ingalls quad. 1749 Comment
  CAS-BOT-BC115982  Carex subfusca L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4490 Plumas Along Dolly creek at upper portion of the Walker Mine tailings. Mt. Ingalls quad. 1749 Comment
  CAS-BOT-BC115988  Carex subfusca George Wilson Gillett 1957-7-19 849 Plumas Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  SEINET7577212 Image available Carex subfusca John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54344 Plumas Sierra Nevada, 2.8 miles north-northeast of Englemine on Diamond Mt Road. 1341 Comment
  CAS-BOT-BC115153  Carex vesicaria Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1411 Plumas Ca 100 yds NW of Pond reservoir. Butterfly Botanical Area. 1097 Comment
  CAS-BOT-BC115156  Carex vesicaria M. S. Taylor 1982-9-8 5109 Plumas Moist soil on S side of Round Valley Reservoir, ca. 4 mi S of Greenville. 1371 Comment
  SEINET10748597  Carex vesicaria Mary Susan Taylor 1982-8-11 Taylor 5109 Plumas T26N R9E ne1/4 sec 22. Greenvill quad. Abundant on s end of Round Valley Reservoir, ca. 4 mi s of Greenville. 1372 Comment
  CHSC65139  Carex whitneyi Vernon H. Oswald; Lowell Ahart 1995-7-24 7121 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  SEINET7580517 Image available Carex whitneyi L. P. Janeway 2001-6-15 7181 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
  CAS-BOT-BC249007  Castilleja David D. Keck 1932-7-3 1646 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CHSC75540  Castilleja applegatei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3201 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC249714  Castilleja applegatei subsp. pinetorum Thomas H. Kearney 1944-8-14 139 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC249735  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1929-6-21 5777 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC249751  Castilleja applegatei subsp. pinetorum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC249752  Castilleja applegatei subsp. pinetorum Mary E. Wall 1939-6-25 s.n. Plumas Brush Cr. ranger station Comment
  CHSC102068  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes 2009-7-15 16095 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC97161  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS113385  Castilleja applegatei subsp. pinetorum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  JEPS60472  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. Constance 1969-7-2 6711 Plumas 1.7 mi n Sierra County line (on Gold Lake Road) Comment
  JEPS81465  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-5 4935 Plumas just below Mt. Hough (areas around Crystal Lake, ca 7 air nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  SBBG128287  Castilleja applegatei subsp. pinetorum L. Ahart, J. Dittes 2009-7-15 16095 Plumas under the power line, on the S side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  UC1012477  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 10 1940-Jun 11 1940 25800 Plumas e of Almanor (Route 89) 1493 Comment
  UC1094740  Castilleja applegatei subsp. pinetorum Francia Chisaki 1956-5-31 892 Plumas 3.5 mi n Beckwourth (on road to Genesse) Comment
  UC614505  Castilleja applegatei subsp. pinetorum L. Constance 1938-6-10 2316 Plumas w edge Lake Almanor (at Prattville); Prattville 1219 Comment
  CHSC21672  Castilleja arachnoidea D. Brink 1975-7-6 Plumas Ravine at NW end of Mud Lake. Comment
  CHSC63474  Castilleja arachnoidea Lowell Ahart 1994-7-20 7479 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
  JEPS9090  Castilleja arachnoidea John Thomas Howell 1951-6-28 27696 Plumas Eureka Peak 1981 Comment
  JEPS106311  Castilleja lacera Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11051 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  UC138989  Castilleja lacera Mrs. A. L. Coombes 1902-7-7 Plumas Prattville Comment
  RSA59585  Castilleja miniata E. K. Balls 1950-9-1 15667 Plumas East of Long Lake, meadow leading down to two smaller lakes. 2134 Comment
  SEINET12326775  Castilleja miniata M. S. Taylor 1982-1 4916 Plumas N side of Soloman Saddle Rd, ca 1 mi NW of Taylor Rock, ca 7 air mi NE of Quincy 1890 Comment
  CHSC102579  Castilleja miniata subsp. miniata L. P. Janeway; B. Castro 2009-7-4 9844 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC113581  Castilleja miniata subsp. miniata Lowell Ahart 2014-8-24 19758 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
  CHSC116234  Castilleja miniata subsp. miniata Lowell Ahart 2015-7-4 20286 Plumas On the west side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1731 Comment
  RSA52890  Castilleja payneae R. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse. 1982 Comment
  CAS-BOT-BC241038  Castilleja pilosa A. A. Heller; P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley Comment
  CHSC102639  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16135 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
  UCD169860  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16135 Plumas Meadow on west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CAS-BOT-BC47969  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54375 Plumas Sierra Nevada - 0.75 miles northeast of Buck's Summiet on road to Quincy 1600 Comment
  CHSC96746  Ceanothus arcuatus L. P. Janeway 2007-5-20 8996 Plumas Northern High Sierra Nevada. Northeastern corner of Meadow Valley at junction of Bucks Lake Road, Spanish Ranch Road and Spanish Creek. 1106 Comment
  CAS-BOT-BC47864  Ceanothus cordulatus John Thomas Howell 1926-7-26 2116 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC48609  Ceanothus cordulatus John Thomas Howell; Gordon H. True 1969-6-23 45814 Plumas Open meadow 2 miles north of Nelson Point on road to Quincy 1310 Comment
  CAS-BOT-BC48611  Ceanothus cordulatus Walter Knight; Irja Knight 1966-6-19 1319 Plumas Butterfly Valley 1158 Comment
  CHSC46502  Ceanothus cordulatus Lowell Ahart 1974-8-15 607 Plumas Along the road near White Cap, about 10 miles south of Slote. 1676 Comment
  UC1070952  Ceanothus cordulatus C. G. Albertus 1935-7-22 224 Plumas 3 3/4 mi sw Lovejoys; Downieville quad, Plumas Nat. For. 1767 Comment
  CAS-BOT-BC49178  Ceanothus cuneatus Mary Strong Clemens 1920-6-7 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC49063  Ceanothus cuneatus Clarence R. Quick 1963-8-26 63 -102 Plumas Near Cottonwood Meadow, southwest of Humbug Valley Comment
  SDSU10325  Ceanothus integerrimus D. F. Howe 1960-8-20 2985 Plumas Norht fork of Feather River, 41 miles from Oroville. 610 Comment
  UC1070776  Ceanothus integerrimus F. W. Embree 1934-6-6 65 Plumas s slope of Bucks Mtn. Bidwell Bar quad., Plumas Nat. For. 1524 Comment
  UC338451  Ceanothus integerrimus Lemmon 1889-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC51161  Ceanothus lemmonii M. S. Taylor 1982-6-16 4675 Plumas Quincy quad. on N side of Hwy 70, just E of Qmerican Valley (Quincy Bypass) turnoff, just E of East of Quincy 1066 Comment
  UCD23357  Ceanothus lemmonii E. W. Jameson 1949-6-21 s.n. Plumas 4 mi. east, 1 mi. north of Quincy. 1158 Comment
  SEINET10493645  Ceanothus lemmonii Mary Susan Taylor 1982-6-16 Taylor 4675 Plumas T24N R10E se/se sec 16. Quincy quad. In brush on n side of Hwy 70, just e of American Valley (Quincy Bypass) turnoff, just e of East Quincy. 3500 ft. 1069 Comment
  CAS-BOT-BC52057  Ceanothus prostratus G. D. Barbe 1982-6-9 3669 Plumas South slope of Thompson Peak summit, along road to lookout; Plumas National Forest 2057 Comment
  CAS-BOT-BC63370  Ceanothus prostratus Harry P.. Went 1920-5-17 s.n. Plumas Greenville. Comment
  RSA515722  Ceanothus prostratus B. Pitzer 1988-5-29 950 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  UC586941  Ceanothus prostratus Joseph Andorfer Ewan 1934-6-25 8196 Plumas Gold Lake Road Sierra Nevada, Gold Lake Road 1524 Comment
  SEINET12210609  Ceanothus prostratus Unknown 1972-1 1 Plumas ca 5 yds. off the s side of Forbestown Road, 7.5 mi from La Porte Comment
  RSA31120  Ceanothus velutinus A. A. Heller 1915-7-7 12069 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  RSA59902  Ceanothus velutinus E. K. Balls 1950-9-14 15817 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  SEINET3162966  Ceanothus velutinus E. K. Balls 1950-9-14 15817 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC63192  Ceanothus velutinus var. velutinus Lowell Ahart 1989-7-2 6345 Plumas On the nw. side of Pilot Peak, about 10 mi. ne. of La Porte. 2194 Comment
  SEINET10473681  Centaurea cyanus Mary Susan Taylor 1982-6-24 Taylor 4751 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  CAS-BOT-BC277045  Centaurea maculosa John Thomas Howell 1959-9-24 34923 Plumas Indian Creek Canyon near Indian Falls Comment
  CAS-BOT-BC277218  Centaurea solstitialis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2193 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC384929  Cerastium arvense Gladys L. Smith 1976-5-18 s.n. Plumas Between Storrie and Belden, Rte. 70, Feather River Canyon 609 Comment
  CAS-BOT-BC388205  Cerastium fontanum subsp. vulgare John Thomas Howell 1951-6-28 27673 Plumas Jamison Creek 1584 Comment
  UCD107449  Cerastium glomeratum Tim Kuhn 2006-6-30 21 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC388356  Cerastium glomeratum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 1994 Plumas Butterfly Botanical Area and Vicinity. Valley proper, near barn 1036 Comment
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  JEPS113420  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
  SEINET7712201  Chaenactis douglasii Unknown Plumas Lassen's Peak Comment
  UC1125089  Chamaesaracha nana E. Sawyer 1935-6-27 197 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quad. 1706 Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  CAS-BOT-BC166083  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1977-8-11 52679 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CHSC97257  Chamerion angustifolium subsp. circumvagum Lowell Ahart; John Dittes 2007-8-9 14429 Plumas About 50 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
  CHSC21343  Cheilanthes gracillima F. T. Griggs; A. Pass 1975-7-7 89 Plumas Gold and Silver Lakes. Comment
  JEPS28599  Cheilanthes gracillima George W. Gillett 1957-7-13 764 Plumas slopes below Sifford Lakes (on way to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  CHSC84548  Chenopodium album John Dittes; Lowell Ahart 2003-8-8 2003 -93 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  CHSC95027  Chenopodium album Lowell Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast or Strawberry Valley. 1281 Comment
  CDA2987  Chenopodium album J. T. Howell 1975-7-2 51343 Plumas Sierra Nevada; Quincy. Comment
  CAS-BOT-BC460980  Chenopodium atrovirens Clare B. Hardham 1970-8-9 17716 MM Plumas Road to Thompson Peak Lookout 2133 Comment
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  JEPS122111  Chenopodium hians Lowell Ahart 2014-8-24 19747 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
  RSA718946  Chenopodium strictum var. glaucophyllum L. Ahart 2006-10-8 13391 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  CAS-BOT-BC451425  Chimaphila menziesii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CDA18694  Chimaphila menziesii G. D. Barbe, T. C. Fuller 1982-6-15 3701 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F) 1493 Comment
  CHSC24223  Chimaphila menziesii D. Brink; L. Mayer 1975-7-3 Plumas Buck's Lake. Comment
  CAS-BOT-BC452240  Chimaphila umbellata G. Earle Kelley 1920-7-1 s.n. Plumas Greenville Comment
  JEPS115093  Chimaphila umbellata Lowell Ahart, John Dittes 2009-7-14 16066 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  UC1075670  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Quincy, Gansner Creek 1219 Comment
  UCD117410  Chimaphila umbellata James I. Mallory 1969-8-21 356 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET10475116  Chrysanthemum leucanthemum var. pinnatifidum Mary Susan Taylor 1982-6-24 Taylor 4753 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  CDA34550  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-1 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  UCR143157  Chrysothamnus nauseosus subsp. albicaulis J. T. Howell 1960-8-20 s.n. Plumas Kelly Camp, near Drakesbad 1616 Comment
  UC1136964  Chrysothamnus viscidiflorus subsp. viscidiflorus E. Sawyer 1935-6-4 69 Plumas 7.75 mi nne Sattley; Sierraville Quad. 1493 Comment
  UC595085  Chrysothamnus viscidiflorus subsp. viscidiflorus David D. Keck 1938-8-9 4902 Plumas 0.5 mi e of town Beckwith; Sierra Valley, Beckwith (Beckwourth) 1501 Comment
  UCD19146  Chylismia claviformis subsp. integrior June McCaskill 19__? 465 Plumas Lake Almanor region. Comment
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  CHSC35931  Circaea alpina subsp. pacifica M. S. Taylor 1982-6-23 4714 Plumas Along creek (tributary to Middle Creek), on s side of Peoria Creek Rd (23N10), 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 1402 Comment
  UC1075651  Circaea alpina subsp. pacifica Robert J. Weatherby 1950-7-7 1451 Plumas Quincy, Gansner Creek 1219 Comment
  SEINET12193547  Circaea pacifica W. Knight, Knight, I. 1983-1 4915 Plumas Near Drakesbad Ranger Station, Lassen Volcanic National Park 1646 Comment
  CAS-BOT-BC289624  Cirsium andersonii Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  UC176318  Cirsium andersonii A. A. Heller and P. B. Kennedy 1907-7-18 8881 Plumas grade between Beckwith and Red Clover Valley Comment
  CHSC92165  Cirsium arvense Lowell Ahart; John Dittes 2005-9-19 12391 Plumas Where the high water flows out of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CDA1204  Cirsium douglasii var. breweri N. A. Overgaard 1959-6-3 s.n. Plumas E shore/ Lake Almanor. Comment
  RSA128649  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road, just north of county line, 7.3 miles south of Vinton. Comment
  CAS-BOT-BC286363  Cirsium scariosum H. E. Brown 1897-8-1 623 Plumas Near Lassen Buttes 1828 Comment
  SEINET7836838 Image available Cirsium scariosum A. A. Heller, P. B. Kennedy 1907-7-3 8692 Plumas Red Clover Valley Comment
  UC1119181  Cirsium scariosum var. americanum E. Sawyer 1935-9-27 206 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC285835  Cirsium vulgare Thomas H. Kearney 1944-8-14 169 Plumas Near Prattville, Lake Almanor Comment
  SEINET3146355  Cirsium vulgare E. K. Balls 1950-9-15 15845 Plumas 6 mi. NW of Chester, N Fork Feather Rv. 1402 Comment
  CAS-BOT-BC439034  Cistanthe monosperma John Thomas Howell 1951-6-29 27765 Plumas Feather River Canyon 548 Comment
  CHSC72452  Clarkia lassenensis L. P. Janeway 1995-7-11 4852 Plumas Along Road 24N12 (to Smith Peak) 1.8 mi northwest of Hwy 70; about 4 mi west of Portola. On east side of the road. 1554 Comment
  UC725743  Clarkia lassenensis A. A. Heller 1942-6-5 16503 Plumas n Highway #24 (along State Highway #89); Feather River Comment
  SEINET10492512  Clarkia mildrediae Robert A. Schlising 1980-6-24 Schlising 3778 Plumas O.3 mile S of Rock Creek Powerhouse, along Hwy 70 in canyon of North Fork, Feather River; T24N, R6E, sec 30; elev. ca 1600 feet; forest of Pinus ponderosa, Pseudotsuga menziesii, Quercus kelloggii, Quercus chrysolepis; on crumbling granite at roadside, with Mimulus bifidus, Linanthus filipes, Gilia capitata, Keckiella breviflora. 490 Comment
  CHSC11365  Clarkia mildrediae subsp. lutescens Lowell Ahart 1971-7-27 Plumas South of La Porte. 1219 Comment
  UCD104798  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas Hartman Bar Ridge. Slope N of Road 22N94, on south side of Franklin Hill. 1706 Comment
  RSA755317  Clarkia mildrediae subsp. mildrediae Samantha Hillaire 2008-6-9 1255 Plumas Plumas National Forest, Rock Creek area. Along powerlines and access roads. Comment
  LA206089  Clarkia mosquinii subsp. mosquinii T. Mosquin; 1959-7-2 3335 Plumas 3.7 mi SW of entrance to Plumas National Forest along CA State Hwy 40 alternate Comment
  CDA15372  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  POM181047  Clarkia purpurea subsp. quadrivulnera A. A. Heller, P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CHSC70748  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas North side of East Branch North Fork Feather River, across from Paxton; along Hwy 70 0.8 mi west of junction with Hwy 89. Cutbank at beginning of dirt road off of the highway. 883 Comment
  UC354492  Clarkia rhomboidea David D. Keck 1928-6-15 444 Plumas 3 mi w Sloat 1310 Comment
  CAS-BOT-BC165391  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8813 Plumas Prattville Comment
  CAS-BOT-BC165392  Clarkia stellata Alice Eastwood 1927-6-11 14457 Plumas Forest Lodge near Greenville, United States Forest Reserve Comment
  JEPS126585  Clarkia stellata Lowell Ahart 2016-6-29 21072 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. Comment
  RSA537459  Clarkia stellata Barbara Ertter, Gary Schoolcraft 1989-7-3 8638 Plumas Road to Lone Rock and Red Rock on south side of Diamond Mountain, ca. 10 air miles south of Susanville, near Morton Creek crossing 1829 Comment
  SD8160  Claytonia exigua subsp. exigua Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC170920  Claytonia lanceolata H. M. Hall 1912-6-29 9292 Plumas Spanish Peak; Sierra Nevada Mountains 2133 Comment
  RSA0080492  Claytonia lanceolata R. Weatherby 1955-6-22 1537 Plumas Common in damp meadow just below Spanish Peak. 2134 Comment
  SEINET10863162  Claytonia lanceolata Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3837 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S 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
  CHSC93076  Claytonia palustris L. P. Janeway 1994-5-24 4647 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1341 Comment
  CHSC60134  Claytonia parviflora subsp. parviflora Jennifer Grant 1984-4-22 12 Plumas Ca. 40 mi ne of Oroville and 160 yds w of the N. Fk. Feather River, along Jackass Creek. 609 Comment
  UC1136714  Claytonia rubra subsp. rubra E. Sawyer 1935-6-10 93 Plumas 4.75 mi wsw Summit; Sierraville Quad. 1493 Comment
  CAS-BOT-BC443803  Claytonia rubra subsp. rubra Thomas H. Harris 1973-6-3 s.n. Plumas Near Lake Almanor 1371 Comment
  CDA14727  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3253 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC32816  Collinsia parviflora W. M. Foster 1981-4-17 4 Plumas Upper margin of road cut, n side of intersection of Hwys 89 and 70, ca. 7 mi n of Quincy. 914 Comment
  CHSC40247  Collinsia parviflora K. R. Stern 1985-6-25 8229 Plumas Vic. Blairsden. 1371 Comment
  CHSC37025  Collinsia torreyi M. S. Taylor 1982-6-17 4690 Plumas S side of 23N44Y, 0.2 mi w of its jct with 23N50Y (Bell Bar Creek Rd), ca. 2 air mi se of Sloat. 1493 Comment
  CHSC52536  Collinsia torreyi var. torreyi L. P. Janeway 1990-6-12 3713 A Plumas Rattlesnake Creek, just N of Long Valley; along road 508 ca 1.1 mi N of Hwy 70/89. Plumas National Forest. 1432 Comment
  CHSC43758  Collinsia torreyi var. wrightii Vernon Oswald 1983-8-4 960 Plumas Humbolt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC44312  Collomia grandiflora Lowell Ahart 1974-7-30 566 Plumas About 1/2 mile north of the Bunker Hill Mone, about 12 miles north-east of La Porte. 1828 Comment
  CHSC63154  Collomia grandiflora Lowell Ahart 1994-7-7 7461 Plumas Plumas and Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC93075  Collomia grandiflora L. P. Janeway 1994-7-8 4689 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  UC1552743  Collomia grandiflora Frederica Bowcutt 1985-6-6 553 Plumas along Beckwourth Genesee Road about 1 <air?> mi ne Drum Bridge (about 15 air mi ne of Quincy, s-facing road bank); Plumas National Forest Comment
  JEPS122108  Collomia tinctoria Lowell Ahart 2014-8-24 19753 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UCD118260  Collomia tinctoria W. R. Powell 1968-7-2 1602 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  SEINET12326108  Comarum palustre W. Knight, Knight, I. 1983-1 4925 Plumas on road between Chester & Drakesbad in Warner Valley 1570 Comment
  SEINET7134355  Convolvulus arvensis W. Harnach, N. Harnach 1989-6-17 147 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  CAS-BOT-BC286169  Conyza canadensis L. P. Janeway 1992-11-18 4325 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y) 1761 Comment
  RSA101457  Corallorhiza maculata R. Weatherby 1955-7-2 1581 Plumas Fir woods above Wilcox Valley 1921 Comment
  HSC102786  Cordylanthus tenuis subsp. tenuis L. Ahart, John Dittes 2009-7-15 16089 Plumas About 2.8 air miles SE of Butt Valley Reservoir Dam, NE of Forest Service Rd. 26N67, south side of FS Road 26N671 1703 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC70279  Cordylanthus tenuis subsp. viscidus B. Castro; R. Zebell 1989-8-7 361 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi WSW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1828 Comment
  SBBG50827  Cornus nuttallii J. D. Watjen 1969-5-4 39 Plumas Feather River Cyn, 9.2 mi SW of Confluence with Rock Crk 457 Comment
  CAS-BOT-BC210301  Cornus sericea Lewis S. Rose 1963-6-5 63132 Plumas 2 mi w of Paxton 914 Comment
  CAS-BOT-BC210302  Cornus sericea John Thomas Howell 1951-8-20 28205 A Plumas Near Taylorsville 1066 Comment
  CAS-BOT-BC210308  Cornus sericea Anna Head 1921-8-14 s.n. Plumas Lake Center Camp, Feather River Region 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
  UC1122812  Cornus sericea subsp. sericea E. Sawyer 1935-6-14 113 Plumas 3 mi. n.-n.e. Kerby; Plumas Nat'l Forest, Sierraville Quad. Comment
  POM180961  Cornus stolonifera A. A. Heller, P. R. Kennedy, A. H. Heller 1907-7-13 8829 Plumas Taylorville. Comment
  HSC12541  Corydalis caseana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  RSA700402  Corydalis caseana B. Castro 1992-10-7 s.n. Plumas Plumas National Forest: Oak Dome, near Grizzly Creek, Road 23N73Y 1677 Comment
  CHSC40915  Corydalis caseana subsp. caseana Lowell Ahart 1976-7-7 1162 Plumas By the edge of Cold Water Creek, east of the camp on Cold Water Creek, about 4 miles south of Grizzly Mtn. 1524 Comment
  CHSC54482  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1991-7-30 4783 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  UC1126549  Corydalis caseana subsp. caseana Beryl O. Schreiber 1938-7-10 2527 Plumas 1/4 mi. s. of U.C. Forestry Camp near Meadow Balley; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC401869  Corydalis caseana subsp. caseana J. G. Lemmon No date on label s.n. Plumas Big Spring Comment
  CAS-BOT-BC169501  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas woods in vicinity of Cascade Comment
  CAS-BOT-BC169502  Corylus cornuta subsp. californica Henry A. Kloppenburg 1928-5-19 430 Plumas Belden. Plumas Forest 701 Comment
  POM106659  Corylus cornuta var. californica Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  CAS-BOT-BC287205  Cota tinctoria Thomas H. Kearney 1944-8-14 163 Plumas Near Prattville, Lake Almanor Comment
  CHSC39362  Crepis acuminata L. Ahart; P. Ahart 1983-8-17 4332 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  UC625500  Crepis acuminata Frank W. Gould 1938-6-27 454 Plumas 5 mi n Blairsden 1371 Comment
  CHSC99220  Crepis capillaris John Dittes; Lowell Ahart 2005-9-19 1289 Plumas Northern High Sierra Nevada Range; ca. 8.2 air-miles N of Genesee, 4.4 air-miles SW of Antelope Lake dam, 1.9 air-miles E of Taylor Lake, 1.1 air-mile N of intersection of FS Routes 27N45 and 27N53; east-facing slope above Hungry Creek. On east disturbed edge of FS Route 27N45. 1706 Comment
  CAS-BOT-BC291559  Crepis intermedia Lewis S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 853 Comment
  JEPS102224  Crepis intermedia L. P. Janeway 2001-8-5 7425 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  SEINET7837084 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  CAS-BOT-BC291600  Crepis monticola Frank W. Peirson 1926-6-22 6829 Plumas Drakesbad, Lassen National Park Comment
  UC345560  Crepis occidentalis E. B. Babcock 1928-6-15 157 Plumas Feather River Inn golfcourse; near hwy Comment
  RSA169419  Crepis occidentalis subsp. pumila L. S. Rose 1963-6-4 63128 Plumas Sierra Valley, 2 miles south of Beckwourth 1463 Comment
  CAS-BOT-BC290859  Crepis pleurocarpa John Thomas Howell 1924-8-11 629 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  CHSC70222  Crepis pleurocarpa B. Castro; R. Zebell 1989-8-7 364 Plumas Ca 2.5 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.25 mi WSW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1859 Comment
  CDA1931  Crypsis alopecuroides J. T. Howell 1977-8-11 52716 Plumas East side of Frenchmans Reservoir near Big Cove. Comment
  UCD59815  Crypsis schoenoides John Thomas Howell 1959-9-26 35068 Plumas Feather River Canyon. Ca. 1.5 miles west of Belden. 682 Comment
  CHSC21510  Cryptantha affinis L. Mayer; D. Brink 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  RSA769817  Cryptantha affinis L. P. Janeway, B. Castro 2009-7-18 9862 Plumas Northern High Sierra Nevada. Near head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy 1643 Comment
  SEINET12514810  Cryptantha affinis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville. Comment
  SEINET3840837  Cryptantha ambigua G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3809 Plumas Plumas National Forest 1700 Comment
  UC1586411  Cryptantha milobakeri Vernon H. Oswald and Lowell Ahart 1991-6-18 4681 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  JEPS98964  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
  POM72223  Cryptantha torreyana Marcus E. Jones 1897-7-3 6866 Plumas Prattville. 1372 Comment
  SBBG122934  Cryptantha torreyana B. Ertter 1988-7-25 7846 Plumas Snoring Springs, 0.5 mi N of Diamon Mtn-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  SEINET6225025  Cryptantha torreyana L. S. Rose 1967-1 67157 Plumas 9.0 mi NE of Quincy Jct Comment
  CAS-BOT-BC68033  Cryptogramma acrostichoides Anna Head 1921-7-3 s.n. Plumas Feather River Region - Lake Center Camp Comment
  CAS-BOT-BC80532  Cupressus bakeri M. S. Taylor 1981-8-3 4151 Plumas Along drainage east of Mud Lake, ca. 0.6 mi [neof] ne of Eisenheimer Peak, ca. 10 air mi n of Genesee 2042 Comment
  CHSC36925  Cuscuta californica var. breviflora M. S. Taylor; H. Swanson 1982-8-11 4964 Plumas Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. 2133 Comment
  CHSC99804  Cuscuta californica var. breviflora Lowell Ahart 2008-8-13 15190 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  JEPS107637  Cuscuta californica var. californica Lowell Ahart, Josephine Guardino 2005-8-9 12277 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  SEINET10969189  Cuscuta ceanothi Mary Susan Taylor 1982-8-9 Taylor 4954 Plumas T26N R8E nw/ne sec 9. Almanor NE quad. Along 26N88, just e of its jct with Seneca Rd (306), ca. 7 mi sw of Canyon Dam. (Davis Creek drainage). Comment
  HSC97189  Cuscuta occidentalis L. Ahart 2003-9-7 10563 Plumas E side of the dirt road, 50 yds. SE of the Pacific Crest Trail, on Bunker Hill Ridge, 1 (air) mi. SE of Pilot Peak, 9 (air) mi. NE of La Porte 2039 Comment
  CHSC36926  Cuscuta subinclusa M. S. Taylor 1982-8-10 4954 Plumas Along 26N88, just e of its jct with Seneca Rd (306), ca. 7 mi sw of Canyon Dam. Comment
  CHSC94728  Cuscuta subinclusa Lowell Ahart 2006-11-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake. 1516 Comment
  HSC93237  Cuscuta subinclusa Vernon H. Oswald, L. Ahart 1996-8-14 8173 Plumas N High Sierra Nevada, near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi. SW of Silver Lake Rd., 1.8 mi. NE of White Horse Campground 1677 Comment
  UC105507  Cycladenia humilis var. humilis Mrs. R. M. Austin 1879-1 Plumas Dutch Hill Comment
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Mar 14 2016
  CHSC21205  Cymopterus terebinthinus var. californicus F. T. Griggs; A. Pass 1975-7-10 142 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC190356  Cynosurus echinatus John Thomas Howell 1967-6-22 42656 Plumas Sierra Nevada. Canyon of the Feather River North Fork. Near mouth of Chambers Creek. 609 Comment
  CAS-BOT-BC113876  Cyperus niger var. capitatus John Thomas Howell 1960-8-20 36275 Plumas Wet meadow, Drakesbad 1828 Comment
  CAS-BOT-BC114131  Cyperus squarrosus John Thomas Howell 1926-7-26 2125 Plumas Near Prattville. 1371 Comment
  CHSC97606  Cyperus squarrosus Lowell Ahart; John Dittes 2007-6-16 14124 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
  RSA252446  Cyperus squarrosus Robert F. Thorne, C. W. Tilforth 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  UCD141099  Cyperus squarrosus E. K. Balls 1950-9-14 15814 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  JEPS119731  Cypripedium californicum Lowell Ahart 2012-7-1 18254 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CAS-BOT-BC70672  Cystopteris fragilis John Thomas Howell 1967-6-23 42671 Plumas Canyon of Butterfly Creek 1036 Comment
  JEPS114953  Cystopteris fragilis Lowell Ahart 2008-7-16 15090 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  CAS-BOT-BC70679  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Johnsville Comment
  SEINET6629016  Cystopteris fragilis M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls, Jamison Creek, above Johnsville 1859 Comment
  CDA17296  Damasonium californicum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16324 Plumas Sierra Nevada; Few mi. E of Portola along Hwy 70, immed. adjacent to Hwy. 1554 Comment
  CAS-BOT-BC186625  Danthonia californica Walter Knight; Irja Knight 1966-6-19 1627 Plumas In area north of Pond Reservoir. Butterfly Botanical Area and Vicinity 1097 Comment
  UCD61020  Danthonia californica var. americana A. A. Beetle 1941-6-28 2772 Plumas West side of Lake Almanor. 1828 Comment
  CHSC91720  Danthonia unispicata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16305 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
  UCD61298  Danthonia unispicata A. A. Heller; P. B. Kennedy 1907-7-5 8705 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC76204  Darlingtonia californica Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  CAS-BOT-BC76213  Darlingtonia californica John Thomas Howell 1924-8-10 614 Plumas Butterfly Valley near Quincy. Comment
  RSA89065  Darlingtonia californica R. M. Austin s.n. Plumas [No location information provided.] Comment
  SJSU3172  Darlingtonia californica R. Hanley 1958-5-30 Plumas 3 mi SW of Keddie 1005 Comment
  UCD119067  Darlingtonia californica Lewis S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1036 Comment
  CAS-BOT-BC420650  Darmera peltata John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2360 Plumas Butterfly Botanical Area. Growing on rocks in Butterfly Creek at confluence of Spanish Creek.. 1036 Comment
  RSA39893  Delphinium andersonii P. A. Munz 1947-5-16 11836 Plumas 8 miles north of Chilcoot. 1524 Comment
  SEINET5337985  Delphinium decorum L. Miller 1934-1 s.n. Plumas Near Portola, CA. Comment
  JEPS106055  Delphinium depauperatum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11062 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  CHSC63267  Delphinium gracilentum Lowell Ahart 1994-6-15 7336 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
  CAS-BOT-BC8659  Delphinium gracilentum f. versicolor E. K. Balls; L. W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy. 40 alt. 609 Comment
  CAS-BOT-BC9853  Delphinium nudicaule W. Wagner 1919-5-25 262 Plumas Massack Creek 1524 Comment
  CHSC34274  Delphinium nudicaule M. S. Taylor 1981-5-10 3664 Plumas N side of Genesee Valley Rd, ca. 4 mi w of Genesee. 1097 Comment
  SEINET10536043  Delphinium nudicaule Lowell Ahart, Peter Ahart 1984-6-21 Ahart 4720 Plumas About 1 mi N of Turkeytown, along a dirt rd that cuts W to Hopkins Creek, not the road that will take you west to Onion Valley, ca. 2 mi NW of Blue Nose Mt, ca. 15 mi NE of LaPorte; Red Fir For. 200 Comment
  SEINET10899317  Delphinium nudicaule Mary Susan Taylor 1981-5-10 Taylor 3664 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  UC972198  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end Pine Val. (Hwy 89) 914 Comment
  CAS-BOT-BC116120  Delphinium nuttallianum L. P. Janeway 1940-5-11 3776 Plumas Near Emigrant Creek and about.10 mi south of Little Grizzly Creek. 1767 Comment
  HSC27048  Delphinium nuttallianum John Pratt 1970-6-30 59 Plumas Humboldt Summit Comment
  RSA641883  Delphinium nuttallianum Michael A. Vincent 1999-6-7 8524 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UCD13266  Delphinium patens subsp. patens Stephen Brown 1974-5-4 116 Plumas Plumas CO. Rock Creek, 1 mile north from North Fork of Feather River, ca. 22 miles west of Quincy. Elevation 1600 feet. 487 Comment
  CAS-BOT-BC192445  Deschampsia cespitosa subsp. cespitosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1662 Plumas In area adjacent to Sweetwater Meadow 1127 Comment
  CHSC75948  Deschampsia cespitosa subsp. cespitosa G. F. Hrusa 1996-8-2 13441 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Springline forming trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1850 Comment
  SBBG59432  Deschampsia cespitosa subsp. cespitosa M. N. Ackley -Aug-1928 41 Plumas Feather River Cyn 1676 Comment
  CAS-BOT-BC198154  Deschampsia danthonioides John Thomas Howell; Walter Knight; Irja Knight 1966-7-27 1416 Plumas Southwest of Pond Reservoir - Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC198164  Deschampsia danthonioides K. Groneck 1976-7-1 101 Plumas Sierra Valley Marsh - Sierra Nevada 1524 Comment
  SEINET3927684  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor.; 0 1829 Comment
  CAS-BOT-BC201893  Deschampsia elongata Clare B. Hardham 1970-8-8 17701 M Plumas Road to Thompson Peak Kookout [Lookout] 2133 Comment
  CAS-BOT-BC201896  Deschampsia elongata Lowell Ahart 1985-7-3 5100 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-east of La Porte 1584 Comment
  CAS-BOT-BC201897  Deschampsia elongata John Thomas Howell 1961-6-21 36685 Plumas Greenville 1097 Comment
  CHSC112083  Deschampsia elongata L. P. Janeway 2014-6-23 11412 Plumas Northern High Sierra Nevada. Plumas National Forest; Secret Diggings Gravel Pit on Illinois Ridge, 2.0 air-km south of La Porte. 1476 Comment
  SACT000933  Deschampsia elongata Michael Baad 1976-8-7 Plumas From 1 mile west of trailhead to Bear Lake to railhead along road to Rubicon Springs from Lake Tahoe. Red fir, lodge pole pine, western white pine. 2011.0 Comment
  SEINET5339623  Dicentra formosa M. J. Williams 1967-4-22 s.n. Plumas Bucks Creek Power Station. 1 mile west of Storrie. 518 Comment
  RSA66695  Dicentra formosa subsp. formosa F. W. Peirson 1926-6-22 6816 Plumas Trail to Devil's Kitchen, Lassen National Park Comment
  SD8234  Dicentra uniflora Mrs. R. M. Austin 1882-1 Plumas Big Meadows Comment
  CAS-BOT-BC483632  Dichelostemma capitatum Ella Dales Cantelow 1940-5-10 3927 Plumas West of Busks Lake Comment
  CAS-BOT-BC292273  Dieteria canescens John Thomas Howell 1977-8-11 52674 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  JEPS113539  Dieteria canescens var. canescens Lowell Ahart, Josephine Guardino 2007-7-21 14379 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
  SEINET7845825 Image available Dieteria canescens var. shastensis W. Harnach, N. Harnach 2000-9-3 1003 Plumas Approx 5 miles W of Portola on Co. Rd. A-15, Gold Mountain Development, along the river trail 1463 Comment
  CAS-BOT-BC153637  Diplacus jepsonii George W. Gillett 1957-7-23 893 Plumas Mt. Harkness 2346 Comment
  CAS-BOT-BC153531  Diplacus leptaleus Catherine Best 1987-6-10 1286 Plumas Lakes Basin Campground 1828 Comment
  CAS-BOT-BC153672  Diplacus mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine [Engel Mine] 1828 Comment
  CHSC101792  Diplacus mephiticus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC10831  Diplacus mephiticus Lowell Ahart 1970-7-1 Plumas 10 miles west of La Porte. 1828 Comment
  CAS-BOT-BC153951  Diplacus pygmaeus Wayne Dakan 1978-5-24 s.n. Plumas Ca. 1/2 mile west of north edge of Almanor (probably near Hwy 89) 1389 Comment
  CHSC66773  Diplacus torreyi Vernon H. Oswald; Lowell Ahart 1996-8-14 8182 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
  CAS-BOT-BC151253  Diplacus torreyi Ella Dales Cantelow 1940-5-10 2318 Plumas W. of Bucks Lake Comment
  CAS-BOT-BC151256  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-3 s.n. Plumas 4.3 miles north of Almanor Inn Comment
  CAS-BOT-BC151257  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River 1615 Comment
  CHSC21082  Disporum hookeri F. T. Griggs; A. Pass 1975-7-2 51 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS117163  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) west of Twain 813 Comment
  JEPS34438  Downingia bacigalupii Rimo Bacigalupi, and Tsan Iang Chuang 1963-8-2 8914 Plumas 1.8 mi nw Almanor community (along Calif Highway 89); Lassen National Forest 1389 Comment
  RSA52924  Downingia bacigalupii R. Weatherby 1950-7-28 1488 Plumas Indian Creek Canyon N of Taylorsville. 1067 Comment
  CAS-BOT-BC41401  Draba verna Mrs. Joseph Clemens 1920-2-25 7000 Plumas Crescent Mills. Comment
  CHSC102073  Draperia systyla Lowell Ahart; John Dittes 2009-7-15 16100 Plumas On broken rock, northeast of the power line, on the east side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  JEPS115204  Draperia systyla Lowell Ahart, John Dittes 2009-7-15 16100 Plumas On broken rock, northeast of the power line, on the east side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC1778631  Draperia systyla G. Douglas Barbe, T. C. Fuller 1982-7-15 3745 Plumas 3.4 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  UCD99505  Drosera anglica Barry Meyers-Rice 1999-8-7 MR 990801 Plumas at Willow Lake. Comment
  RSA0011653  Drosera anglica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA0011663  Drosera rotundifolia Malcolm A. Nobs, S. Galen Smith 1949-8-19 1446 Plumas Butterfly Valley. Comment
  CAS-BOT-BC534969  Drymocallis glandulosa var. reflexa David D. Keck 1932-7-3 1637 Plumas Quincy, northern Sierra Nevada, mountain slope south of town 1065 Comment
  JEPS48881  Drymocallis lactea var. austiniae Esther C. Fritz 1933-7-14 Plumas n Faculty tents (Camp Califorest, near Schneider Meadow fence); near Schneider Meadow fence, Camp Califorest Comment
  CHSC94669  Dysphania ambrosioides Lowell Ahart 2006-10-8 13411 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC113849  Dysphania botrys Lowell Ahart 2014-9-9 19839 Plumas Below the high water line, on the sides of Sly Creek, Sky Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC40610  Dysphania pumilio Lowell Ahart 1985-9-26 5188 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
  CHSC34783  Echinochloa crus-galli L. Ahart 1981-9-6 3097 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC112617  Elatine ambigua Lowell Ahart 2013-9-11 19023 AL: Plumas On strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  JEPS20004  Eleocharis acicularis W. L. Jepson 1927-6-23 12312 Plumas Warner Creek Valley; small pond towards lower end 1584 Comment
  CHSC82149  Eleocharis bella L. P. Janeway 2001-7-25 7389 B Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  JEPS102767  Eleocharis bella Lowell Ahart 2001-9-24 9196 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  RSA26612  Eleocharis obtusa var. engelmannii J. T. Howell 1951-8-20 28212 Plumas Genesee 1128 Comment
  RSA59243  Eleocharis obtusa var. engelmannii E. K. Balls 1950-8-31 15546 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC113158  Eleocharis palustris Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  JEPS102741  Eleocharis parishii Lowell Ahart and Vernon H. Oswald 2001-7-11 8890 Plumas 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
  CAS-BOT-BC112053  Eleocharis quinqueflora John Thomas Howell 1960-7-19 35662 Plumas Drakesbad, moist soil near hot springs. 1828 Comment
  CHSC58202  Eleocharis suksdorfiana Vernon H. Oswald; Lowell Ahart 1992-6-22 5026 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  JEPS102295 Image available Eleocharis torticulmis L. P. Janeway and B. Castro 2000-7-3 6874 Plumas Sweetwater Meadow Butterfly Valley Botanical Area; Northern High Sierra Nevada 1177 Comment
  RSA0049657  Eleocharis torticulmis Dean Wm. Taylor 2011-8-1 21135 Plumas Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  SEINET4965096  Eleocharis torticulmis Unknown 2000-7-3 6874 Plumas Plumas County, Crescent Mills quad; Northern High Sierra Nevada, Butterfly Valley Botanical Area: Sweetwater Meadow Comment
  JEPS113926  Elodea canadensis W. and N. Harnach 2000-8-2 966 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourt, CA (Sierra Valley Farms) Comment
  UC1132956  Elymus X hansenii A. Hormay 1932-6-11 24 Plumas 10 mi se Quincy; Downieville Quadrangle Comment
  CAS-BOT-BC227596  Elymus elymoides John Thomas Howell 1955-7-19 30780 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC227597  Elymus elymoides Gladys L. Smith 1959-6-20 1254 Plumas At Plumas - Sierra county line on Gold Lake to Feather River route 1828 Comment
  CAS-BOT-BC227605  Elymus elymoides John Thomas Howell 1926-7-24 2105 Plumas Near Prattville 1463 Comment
  UC1133006  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-7-20 237 Plumas 2.4 mi se Chaparral Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
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Aug 28 2015
  CAS-BOT-BC206510  Elymus glaucus subsp. glaucus John Thomas Howell 1975-7-22 51373 Plumas 2 miles northwest of Spring Garden - Sierra Nevada 1173 Comment
  CHSC107905  Elymus glaucus subsp. glaucus L. P. Janeway 2011-8-23 10670 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.7 road km east of Road 22N60; 2.4 air km east-northeast of the northeast corner of Little Grassy Valley Reservoir. Small grassy openings in north-facing slopes. 1719 Comment
  CAS-BOT-BC204410  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1951-6-27 27566 Plumas Johnsville 1584 Comment
  HSC93211  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald, L. Ahart 1996-7-15 8038 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
  JEPS127618  Elymus trachycaulus subsp. trachycaulus B. Castro with Brian Humphrey 2015-7-10 2098 Plumas W side of lower Thompson Valley ca 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 400 feet below edge of Ponderosa-Jeffrey pine forest. Comment
  CHSC55631  Elytrigia intermedia subsp. barbulata K. R. Stern 1985-6-25 8297 Plumas Vicinity of Blairsden. 1402 Comment
  UCD132879  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CHSC65646  Epilobium brachycarpum L. P. Janeway 1995-7-23 4864 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  CHSC97508  Epilobium brachycarpum Lowell Ahart; John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC171705  Epilobium canum subsp. latifolium L. P. Janeway 1992-8-30 4299 Plumas McRae Meadow, upper end of East Nelson Creek, Plumas National Forest, Bechwourth Ranger District 1889 Comment
  CAS-BOT-BC171719  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-9-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC171721  Epilobium canum subsp. latifolium E. P. Chace 1934-1-1 6249 Plumas Near Camp Rodgers Comment
  CAS-BOT-BC171722  Epilobium canum subsp. latifolium H. Albert Barker 1926-7-11 111 Plumas Blairsden - Gold Lake Grade 1676 Comment
  RSA121166  Epilobium canum subsp. latifolium C. G. Albertus 1935-7-20 207 Plumas 1.5 miles S.W. of Lava Peak. 1311 Comment
  RSA718159  Epilobium canum subsp. latifolium L. Ahart 2006-10-23 13497 Plumas On the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mi. northeast of Scales Road., About 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  UC1012958  Epilobium canum subsp. latifolium A. R. Kruckeberg 1951-9-2 2898 Plumas below summit of Lakes Basin Road (in wash) Comment
  UCD105463  Epilobium canum subsp. latifolium F. H. Bolster 1912-9-2 9 Plumas Feather River Canyon. 762 Comment
  CHSC20815  Epilobium ciliatum subsp. ciliatum K. R. Stern 1975-7-24 5829 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC40591  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1985-9-26 5184 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
  JEPS103348  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2002-7-18 9869 Plumas On the S side of a small upper branch of Fall R., ca 100 yds N of Lumpkin Ridge Rd, ca 1 mi (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  JEPS104654  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2003-7-18 10429 Plumas In a meadow, on the n side of the road, ca 1/4 mi w of Lumpkin Ridge Rd, ca 1 1/2 mi se of Tamarack Flat, ca 1 1/2 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 1/2 mi (air) nw of La Porte. 1709 Comment
  JEPS122092  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS43849  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1939-8-4 19335 Plumas Rock Creek Meadow Valley 1219 Comment
  SD130487  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-15 51859 Plumas Snake Lake, ca. 4.0 miles northwest of Quincy. 1219 Comment
  CHSC69515  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1997-9-11 7910 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather Riverk, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CHSC94780  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south 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
  RSA239251  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42328 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  CHSC75925  Epilobium densiflorum G. F. Hrusa 1996-8-2 13439 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Above Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  UC174728  Epilobium densiflorum A. A. Heller and P. B. Kennedy 1907-7-16 8863 Plumas near Genessee; Genessee Valley Comment
  SEINET9720233  Epilobium densiflorum A. A. Heller, P. B. Kennedy 1907-7-16 8863 Plumas Genessee Valley near Genessee Comment
  CHSC117615  Epilobium glaberrimum subsp. glaberrimum L. P. Janeway 2016-8-16 12156 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 23N10 0.3 km north-northwest of bridge across Hopkins Creek; between Pilot Peak and Blue Nose Mtn. 1737 Comment
  CHSC21283  Epilobium glaberrimum subsp. glaberrimum F. T. Griggs; A. Pass 1975-8-2 293 Plumas Buck's Lake. Comment
  UC1562284  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 1990-7-16 6571 Plumas along river about 1/2 mi ne Independent Mine (about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork of the Feather River 1828 Comment
  CHSC20981  Epilobium hornemannii subsp. hornemannii F. T. Griggs; A. Pass 1975-7-23 234 Plumas Cape Lake. Comment
  CHSC97573  Epilobium torreyi Lowell Ahart; John Dittes 2007-6-17 14202 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UC1191746  Epilobium torreyi Malcolm A. Nobs, S. Galen Smith 1949-8-19 1463 a Plumas pond on se side Portola Comment
  RSA101404  Epipactis gigantea R. Weatherby 1955-8-4 1671 Plumas No Ear Bar. Middle Fork Feather River. 915 Comment
  SD46499  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas Common in clumps of sedges along river. No Ear Bar, Middle Fork, Feather River. 914 Comment
  CAS-BOT-BC56990  Equisetum arvense John Thomas Howell 1959-9-22 34855 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC57008  Equisetum arvense M. S. Taylor 1981-7-21 4088 Plumas Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, 1371 Comment
  CHSC33932  Equisetum hyemale subsp. affine M. S. Taylor 1981-7-21 4089 Plumas Ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC57392  Equisetum laevigatum David D. Keck 1932-7-3 1674 Plumas Quincy, in the Northern Sierra Nevada, at bridge over Spanish Creek 1066 Comment
  CAS-BOT-BC57399  Equisetum laevigatum John Thomas Howell 1960-7-24 35994 Plumas Chester 1371 Comment
  SJSU4629  Equisetum laevigatum C. W. Sharsmith 1969-6-15 7594 Plumas Smith Creek c. 1.5 mi upstream from junction with Middle Fork Feather River 1371 Comment
  HSC92439  Eragrostis pectinacea var. pectinacea L. Ahart 1981-9-6 3107 Plumas Along Indian Creek. About 1/2 mi. SW of the intersection with Hwy. 89 and Arlington Rd., about 11/2 mi. SW of Crescent Mills. 1067 Comment
  SJSU14222  Eremogone aculeata N. A. Hopkins 1989-6-7 1525 Plumas W of Dixie Mt near Dixie Cr 1889 Comment
  CAS-BOT-BC174179  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  UC852465  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas 12 mi w Bucks (Near the summit of Soapstone ridge); Sierra Nevada, Soapstone ridge 1676 Comment
  CHSC95095  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2006-6-3 8660 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow. 1673 Comment
  SEINET12875581 Image available Eremogone congesta var. suffrutescens John Thomas Howell, T. C. Fuller and G. D. Barbe 1981-1 54357 Plumas Near Indian Creek about 0.75 mi. NW of NW arm of Antelope Reservoir 1585 Comment
  CAS-BOT-BC174365  Eremogone kingii var. glabrescens M. S. Taylor; M. Foster 1981-6-8 3872 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1 1/2 mi n of w end of Lake Davis 1706 Comment
  CHSC110275  Eremogone kingii var. glabrescens L. P. Janeway 2012-6-2 10843 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  JEPS114518  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
  CHSC40563  Ericameria nauseosa var. speciosa Lowell Ahart; Jim Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CHSC69200  Ericameria nauseosa var. speciosa James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2572 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  JEPS118400  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  UC1119835  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-29 279 Plumas 2 mi e of Grizzly Peak; Plumas National Forest, Sierraville Quad. 1767 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-BC294399  Ericameria parryi var. latior John Thomas Howell 1924-8-11 631 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  CHSC98249  Ericameria parryi var. latior Allison Sanger 2002-10-1 Plumas North side of Forest Road 26, 0.2 miles east of fork to Cypress Trailhead and just south of Twin Buttes. 1463 Comment
  UCD131546  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34967 Plumas Sierra Valley near Beckworth. 1478 Comment
  CHSC59682  Erigeron canadensis L. P. Janeway 1992-11-18 4325 Plumas Plumas National Forest. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y). 1761 Comment
  CAS-BOT-BC296005  Erigeron divergens Lewis S. Rose 1966-7-28 66071 Plumas Quincy 1066 Comment
  CHSC41207  Erigeron divergens J. D. Jokerst 1984-7-11 2099 Plumas Along the edges of Beckwourth-Genesee Road ca. 1.1 miles NW of Drum Bridge, east end of Genesee Valley. Comment
  JEPS49078  Erigeron divergens Lewis S. Rose 1966-7-28 66071 Plumas Quincy 1066 Comment
  RSA302614  Erigeron divergens J. R. Shevock 1972-5-19 1792 Plumas Near Greenville, Hwy. 89 915 Comment
  SEINET8667240 Image available Erigeron eatonii var. sonnei W. Harnach, N. Harnach 1990-6-27 415 Plumas Sierra Valley. 0.5 miles S of Beckwourth, Ramelli Ranch (USFS), so of R/R 1500 Comment
  CAS-BOT-BC300845  Erigeron glacialis var. glacialis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CDA14015  Erigeron inornatus var. calidipetris G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada; S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. Comment
  CHSC105677  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  SEINET10474627  Erigeron inornatus var. viscidulus Mary Susan Taylor 1981-8-25 Taylor 4238 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  CAS-BOT-BC295473  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Meadow Valley Comment
  CAS-BOT-BC295484  Erigeron lassenianus var. lassenianus John Thomas Howell; Gordon H. True 1967-7-11 43278 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CDA19248  Erigeron lassenianus var. lassenianus G. D. Barbe, T. C. Fuller 1982-6-17 3813 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC102007  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2009-8-29 9949 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.6 km south of the Buckhorn survey monument at junction of Road 23N69 and Road 23N36Y (to Martin Mine). 1881 Comment
  CHSC66912  Erigeron petrophilus var. sierrensis James D. Jokerst 1992-1-1 3439 Plumas Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  UCD119306  Eriodictyon lobbii G. F. Hrusa 1989-6-25 7195 Plumas Above Bucks Lake. 2286 Comment
  SEINET10537782  Eriogonum Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3883 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
  SEINET10479801  Eriogonum douglasii var. douglasii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3858 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  CHSC34727  Eriogonum douglasii var. meridionale M. S. Taylor 1981-6-3 3857 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca 11 mi n of Beckwourth. 1706 Comment
  UC570160  Eriogonum douglasii var. meridionale E. Sawyer 1935-6-4 61 Plumas 3/75 mi ne Beckwith Butte; Sierraville Quadrangle 1493 Comment
  SJSU15164  Eriogonum douglasii var. meridionale N. A. Hopkins 1993-6-16 1725 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  SEINET5329152  Eriogonum elatum W. Harnach, N. Harnach 1991-7-17 653 Plumas Sierra Valley; Beckworth Pass 1597 Comment
  SD103524  Eriogonum elatum Darley Howe 1978-7-16 5079 Plumas Along State Highway 49, 3 miles north of Loyalton 1463 Comment
  SDSU6520  Eriogonum elatum D. F. Howe 1978-7-16 5079 Plumas Rte 49 3 miles north of Loyalton. 1463 Comment
  CAS-BOT-BC246534  Eriogonum elatum var. elatum Lewis S. Rose 1955-7-19 55141 Plumas Beckwourth 1493 Comment
  CHSC37711  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Rd (23N48), ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 1645 Comment
  CAS-BOT-BC267329  Eriogonum luteolum var. pedunculatum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Indian Valley Road near Crater Nat'l. Park Comment
  CDA18762  Eriogonum marifolium G. D. Barbe, T. C Fuller 1982-7-16 3755 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
  JEPS56731  Eriogonum marifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC263303  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1967-7-11 43342 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC263306  Eriogonum marifolium var. marifolium Lowell Ahart 1989-7-2 6340 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte 2255 Comment
  CAS-BOT-BC263307  Eriogonum marifolium var. marifolium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54270 Plumas Mt. Hough 2203 Comment
  CHSC53047  Eriogonum marifolium var. marifolium L. P. Janeway 1989-6-12 3291 Plumas Plumas National Forest Beckwourth Ranger District. Forest along south side of Red Clover Valley. 1706 Comment
  SEINET11933013  Eriogonum nudum W. Knight, Knight, I. 1983-1 4910 Plumas 4 mi from Chester on road to Drakesbad Comment
  CAS-BOT-BC264815  Eriogonum nudum var. deductum John Thomas Howell 1975-7-22 51367 Plumas 2 miles northwest of Spring Garden, Sierra Nevada 1173 Comment
  CHSC33514  Eriogonum nudum var. deductum L. P. Janeway 1992-7-30 4297 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket 1828 Comment
  SEINET3160016  Eriogonum nudum var. deductum E. K. Balls 1950-9-1 15582 Plumas east shore Long Lake, towards Mt. Elwell 2103 Comment
  UC1032194  Eriogonum nudum var. deductum G. T. Nordstrom 1934-7-3 180 Plumas 1 3/4 mi s by se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC77677  Eriogonum nudum var. deductum D. Cleveland July 1882 Plumas Big Meadows Comment
  CAS-BOT-BC269725  Eriogonum nudum var. oblongifolium Rimo Bacigalupi 1927-7-12 1725 Plumas At Quincy Junction Station 1066 Comment
  JEPS56606  Eriogonum nudum var. oblongifolium W. L. Jepson 1910-6-16 4139 Plumas near Keddie 975 Comment
  UCR123518  Eriogonum nudum var. pubiflorum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6872 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  RSA88595  Eriogonum pedunculatum J. T. Howell 1951-6-26 27541 Plumas Feather River Canyon 854 Comment
  CHSC69440  Eriogonum spectabile Robin Barron 1997-8-18 Plumas South side of 30N72 ca. 1 mi west of Hwy Meadow Trailhead, ca. 0.5 mi south of Caribou Wilderness Area. 2023 Comment
  JEPS56337  Eriogonum spergulinum var. reddingianum W. L. Jepson 1910-6-5 4071 Plumas near Lassen Peak (Warner Valley); Warner Valley 1524 Comment
  SJSU14465  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1990-7-1 1624 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1584 Comment
  NY283207  Eriogonum strictum var. anserinum A. A. Heller 1907-7-5 8741 Plumas Hills above Red Clover valley Comment
  SEINET5331802  Eriogonum umbellatum var. dumosum A. A. Heller, P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC108054  Eriogonum umbellatum var. furcosum L. P. Janeway 2011-8-23 10672 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 22N27 2.3 road km northeast of Road 22N94; 0.9 air km northwest of the tip of the Black Rock Creek arm of Little Grass Valley Reservoir. 1695 Comment
  CHSC107422  Eriogonum umbellatum var. modocense L. P. Janeway; Peter Zika 2011-8-6 10632 Plumas Northern High Sierra Nevada. Plumas National Forest; northwest tip of the nose of the rocky ridge on southeast side of Quincy-La Porte Road, 1.7 air km northwest of Pilot Peak. 'Bare' rounded ridge top of metamorphic rock (just nortwesst of the serpentine area); 2001 Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC65814  Eriogonum umbellatum var. modocense L. P. Janeway 1993-8-5 4503 Plumas Plumas National Forest La Porte Ranger District Onion Valley Compartment. Along Quincy-La Porte Road (Rd 511) 0.4 mi southwest of Onion Valley Creek crossing; ca 1.3 mi northwest of Pilot Peak. Edge of road. 1895 Comment
  CAS-BOT-BC262074  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14866 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  CAS-BOT-BC262083  Eriogonum umbellatum var. nevadense Herbert L. Mason 1924-6-18 1051 Plumas Graeagle Comment
  SEINET3413453  Eriogonum umbellatum var. nevadense A. A. Heller, P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover valley Comment
  UC634993  Eriogonum umbellatum var. nevadense Herbert L. Mason 1924-6-18 1051 Plumas Graeagle Comment
  SEINET10479560  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1981-7-17 Taylor 4045 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, just S of its jct with Long Lakes trail, ca. 6 air mi S of Mohawk. Dry & open, Montane Chaparral; 6500 ft elev. 1981 Comment
  SEINET10479570  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-6-28 Taylor 4776 A Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CHSC63468  Eriogonum umbellatum var. polyanthum Lowell Ahart 1994-7-28 7528 Plumas Northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  CAS-BOT-BC262243  Eriogonum ursinum John Thomas Howell 1951-6-29 27747 Plumas Spring Garden Creek 1158 Comment
  CAS-BOT-BC262246  Eriogonum ursinum John Thomas Howell 1967-6-23 42725 Plumas 4 miles east of Rich Bar, East Branch Feather River 762 Comment
  CAS-BOT-BC262247  Eriogonum ursinum Clare B. Hardham 1961-6-15 7420 Plumas Sierra Nevada Mountains. Engelmine [Engel Mine] 1828 Comment
  UC635516  Eriogonum ursinum Herbert L. Mason 1924-6-18 1055 Plumas near summit of road between Graeagle and Gold Lake Comment
  UCD101335  Eriogonum ursinum Margaret Williams; E. McPherson 1974-8-5 P 13 Plumas above Silver Lake on trail to Mt. Elwell, Lakes Basin. 2164 Comment
  CHSC65823  Eriogonum ursinum var. ursinum L. P. Janeway 1995-7-23 4868 Plumas Hartman Bar Ridge; south side of top of Franklin Hill. 1737 Comment
  CHSC75519  Eriogonum ursinum var. ursinum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3120 Plumas Dry rocky slope next to seep area in serpentine, 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CHSC43022  Eriogonum vimineum L. P. Janeway; C. A. Janeway 1986-7-22 1785 Plumas Base of rocky road cut in cyn of East Branch North Fork Feather River along hwy 70 3 mi east of confluence with North Fork Feather River. 472 Comment
  CHSC53062  Eriogonum vimineum L. P. Janeway 1989-6-30 3423 Plumas Plumas National Forest Beckwourth Ranger District Crocker. Barren volcanic outcrop, NW-facing slope above rd 24N45Y 0.2 mi E of Beckwourth-Genesee Rd (rd111) 6.4 mi E of Beckwourth; across from the Crocker Station. 1767 Comment
  SEINET3085990 Image available Eriogonum vimineum H. Dearing, M. Dearing 1938-7-2 2268 Plumas Feather River Canyon. 610 Comment
  SJSU15257  Eriogonum vimineum S. Woolhouse 2009-7-28 15 Plumas Next to Caribou Road and the North Fork of the Feather River Comment
  CAS-BOT-BC264129  Eriogonum vimineum John Thomas Howell 1977-8-11 52694 Plumas North end of Frenchmans Reservoir, Sierra Nevada 1706 Comment
  CHSC118712  Eriophyllum lanatum var. achilleoides Wendy L. Boes; Jim Battagin 2015-5-12 2015006 Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  UC298459  Eriophyllum lanatum var. grandiflorum A. A. Heller 1913-6-13 10855 Plumas near Quincy 1066 Comment
  CAS-BOT-BC308255  Eriophyllum lanatum var. integrifolium L. P. Janeway 1990-7-6 3775 Plumas About 200 ft. east of Paradise Creek and about 1/3 mi. south of Little Grizzley Creek, Plumas National Forest, Beckwourth Ranger Distric, Cascade Compartment 1844 Comment
  CAS-BOT-BC308265  Eriophyllum lanatum var. integrifolium M. S. Taylor 1981-7-22 4108 A Plumas N slope of hill, ca. 1/4 mi S of 26N21, 0.5 mi. w of Pine Creek Valley, ca. 7 air mi. n of Spring Garden 2316 Comment
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  CHSC21604  Eriophyllum lanatum var. integrifolium L. M. Mayer; D. E. Brink Jr. 1975-7-24 Plumas Meadow, Bucks Lake. Comment
  CHSC37769  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
  SEINET8687339 Image available Eriophyllum lanatum var. integrifolium W. Harnach, N. Harnach 1990-6-16 396 Plumas Sierra Valley, Approx 3 miles W of Vinton on Hwy 70, Hindoo Ranch 1490 Comment
  UCD132226  Eriophyllum lanatum var. integrifolium N. Hopkins 1973-6-19 553 Plumas Sierra Valley. Comment
  SEINET10475142  Eriophyllum lanatum var. integrifolium Mary Susan Taylor 1981-5-10 Taylor 3665 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  RSA794834  Erodium cicutarium L. Ahart, Josephine Guardino, John Dittes 2009-6-14 15883 Plumas Below the high water line, about 300 yards SW of the Boat Ramp, about 300 yards N of Lake Almanor Dam. 1375 Comment
  UC657556  Eryngium alismifolium Roxana S. Ferris and Laura Lorraine 1941-8-9 10424 Plumas near village Lake Almanor Public Camp Comment
  CAS-BOT-BC54322  Erysimum capitatum Anna Head 1920-6-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  UC1552739  Erysimum capitatum Frederica Bowcutt 1985-6-6 561 Plumas about 1/8 mi n Beckwourth Genesee Road (about 15 air mi ne of Quincy, 1 mi of Drum Bridge); Plumas National Forest 1676 Comment
  SFV8748  Erysimum capitatum J. D. Watjen 1969-5-4 37 Plumas Sierra Nevada Feather River Canyon near confluence of Rock Creek and North Fork Feather River, 0.75 miles from Highway 70. 503 Comment
  CHSC11381  Erysimum capitatum var. capitatum Lowell Ahart 1969-5-11 Plumas 10 miles below Quincy on Highway 70. 914 Comment
  RSA0049641  Erythranthe arvensis Dean Wm. Taylor 2012-6-20 21251 Plumas Lumpkin Ridge, Forest Road 27 about 5 miles North from Camp Eighteen (site) 1417 Comment
  CHSC20742  Erythranthe breweri K. R. Stern 1975-7-29 5881 Plumas Nw shore of Lake Almanor. Comment
  CHSC97103  Erythranthe guttata Lowell Ahart; Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  CHSC113902  Erythranthe lewisii Lowell Ahart 2014-8-24 19754 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
  CHSC110004  Erythranthe pulsiferae B. Castro; L. P. Janeway 2006-6-4 1538 Plumas Northern High Sierra Nevada. Along the new dirt road from Squaw Valley to McReynolds Valley, 0.3 mi S of Squaw Valley Road/USFS Rd 28N01 (and Squaw Valley). 50 ft up from W edge of rd in stony opening, a moist springy area at sagebrush-forest edge. 1703 Comment
  CHSC98342  Erythronium purpurascens L. P. Janeway 2007-6-3 9023 Plumas Northern High Sierra Nevada. Eastern high end of Red Mountain, along Road 23N69 about 1.6 km northwest of Road 18. Flat ridge top, open forest. 1929 Comment
  CAS-BOT-BC505253  Erythronium purpurascens Alice Eastwood 1927-6-15 14534 Plumas United States forest reserve, on trail to Long Valley Comment
  CAS-BOT-BC505256  Erythronium purpurascens L. W. Swift 1933-5-4 80 Plumas Trio Mill, Plumas Forest 1280 Comment
  SEINET10469553  Erythronium purpurascens Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4469 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  CAS-BOT-BC110552  Eschscholzia John Thomas Howell 1955-7-19 30752 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC403353  Eschscholzia californica Alice Eastwood 1918-5-25 7052 Plumas Portola Comment
  CAS-BOT-BC403356  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 miles east of Quincy 1097 Comment
  CAS-BOT-BC403357  Eschscholzia californica A. A. Heller; P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UC855169  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy; Indian Valley 1097 Comment
  UC1075648  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell Lakes Basin Area, Mt. Elwell 2286 Comment
  SEINET10475033  Eupatorium occidentale Mary Susan Taylor 1981-7-21 Taylor 4097 Plumas T24N R11E ne/ne sec 17, Spring Garden quad. Argentine Lookout, ca. 0.5 mi SW of 26N2l-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 7200 ft elev. 2194 Comment
  CHSC56843  Eurybia integrifolia L. P. Janeway 1991-8-3 4110 Plumas Plumas National Forest. Small drainage to Freeman Creek 1 3/4 mi west of Smith Peak. 1965 Comment
  JEPS107713  Eurybia integrifolia Lowell Ahart, John Dittes 2005-9-20 12424 Plumas Southwest side of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CAS-BOT-BC310535  Eurybia integrifolia Robert J. Weatherby 1955-8-12 1683 Plumas Meadow on upper Clear Creek, near Spanish Peak 1828 Comment
  UC1075700  Eurybia integrifolia Robert J. Weatherby 1955-8-12 1683 Plumas near Spanish Peak; Upper Clear Creek 1828 Comment
  CHSC34895  Euthamia occidentalis M. S. Taylor 1981-9-2 4269 Plumas N tip of Round Valley Reservoir, by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  SEINET957938  Fabaceae F. W. Gould 1938-1 455 Plumas 5 miles north of Blairsden. 1372 Comment
  JEPS69234  Festuca californica W. L. Jepson 1924-7-24 10632 Plumas Deadmans Spring Middle Fork Feather River Comment
  OBI21857  Festuca microstachys Lewis S. Rose 1967-6-12 67120 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC278851  Festuca occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54218 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy 1584 Comment
  CAS-BOT-BC278852  Festuca occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54294 Plumas On China Grade, 1.4 miles south of Taylorsville 1402 Comment
  CAS-BOT-BC278858  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of 23N39, ca. 1 air mi w of White Cap, ca. 4 air mi sw of Sloat 1767 Comment
  RSA755814  Festuca occidentalis L. Ahart, John Dittes 2009-7-14 16063 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  UC641617  Festuca occidentalis G. L. Stebbins Jr. 1939-7-6 2908 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 Comment
  SEINET10559331  Festuca occidentalis Mary Susan Taylor, John Thomas Howell 1982-6-21 Taylor 4703 Plumas T23N R10E se 1/4 sw 1/4 sec 24. Blue Nose Mt. quad. S side of 23N39, 1 air mi w of White Cap, 4 air mi sw of Sloat. With Pteridium aquilinum, Prunus emarginata, & a live rattlesnake. 1768 Comment
  UC1137631  Festuca pratensis R. W. Saarni 1939-6-18 130 Plumas near Meadow Valley Store; Bidwell Bar Quad. 1188 Comment
  CAS-BOT-BC279019  Festuca rubra Clare B. Hardham 1970-8-8 17703 E Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC279021  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45800 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC279022  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45841 Plumas Quincy 1036 Comment
  CDA35027  Festuca subulata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3345 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  JEPS106341  Festuca subulata Lowell Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  CAS-BOT-BC278634  Festuca subulata John Thomas Howell 1960-7-21 35853 Plumas Lassen Volcanic National Park. NW. of Willow Lake 1676 Comment
  CHSC97547  Floerkea proserpinacoides Lowell Ahart; John Dittes 2007-6-17 14109 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC55664  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC55682  Frangula purshiana Lowell Ahart 1975-7-2 s.n. Plumas 8 miles north of Sly Creek Dam. About 2 miles west of American House which is 3 miles south of La Porte Comment
  CAS-BOT-BC55689  Frangula purshiana M. S. Taylor 1982-7-22 4902 Plumas Bucks Lake NE quad. across Wapaunsie Creek, 0.8 mi n of jct of snake Lake Rd, and Bucks Lake Rd, 1447 Comment
  UC650348  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley Creek Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  SBBG33895  Frangula rubra subsp. obtusissima L. S. Rose 1969-6-23 Plumas 10 mi SW of Quincy, La Porte Rd 1249 Comment
  CAS-BOT-BC59582  Frangula rubra subsp. rubra John Thomas Howell 1973-7-9 49716 Plumas Sierra Nevada - Round Valley 1371 Comment
  UCR122350  Frasera albicaulis George K. Helmkamp, E. A. Helmkamp 2001-7-6 6854 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CAS-BOT-BC505267  Fritillaria atropurpurea W. W. Wagner 1919-5-18 259 Plumas Hillside Sockem Creek 1371 Comment
  CAS-BOT-BC505275  Fritillaria atropurpurea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1884 Plumas On roadside between Darlingtonia Bog and pond Reservoir 1082 Comment
  CAS-BOT-BC505280  Fritillaria atropurpurea Clare B. Hardham 1961-6-16 7470 Plumas Diamond Peak Comment
  JEPS61943  Fritillaria pudica Dr. Minor Apr. 1913 Plumas Mohawk Valley Comment
  CHSC59838  Fritillaria recurva Jennifer Grant 1984-4-19 11 Plumas Ca. 40 mi ne of Oroville and 100 yds e of N. Fk. Feather River, at Tobin Resort. 609 Comment
  CAS-BOT-BC504448  Fritillaria recurva Ella Dales Cantelow 1939-5-20 2555 Plumas 1.6 mile off main highway near Rock Creek, 5 1/2 miles west of Quincy Comment
  CHSC58198  Galium aparine Vernon H. Oswald; Lowell Ahart 1992-6-22 5009 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  JEPS87751  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas about 1 mi (air) w Little Grass Valley Reservoir (w side of logging road near intersection of Lumpkin Ridge Rd and road to Tamarack Flat); w of Little Grass Valley Reservoir 1767 Comment
  UC1143082  Galium bolanderi C. G. Albertus 1935-7-20 211 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  UCR71482  Galium grayanum Barbara Ertter, Gary Schoolcraft 1989-7-3 8641 Plumas c. 0.5 mile below Red Rock lookout, c. 8 airmiles south of Susanville 2134 Comment
  CHSC63471  Galium grayanum var. grayanum Lowell Ahart 1994-7-20 7478 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
  POM312366  Galium trifidum Malcolm A. Nobs, S. Galen Smith 1949-8-18 1392 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC40369  Galium trifidum var. pacificum Lowell Ahart 1985-7-3 5104 Plumas Where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 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
  CHSC108718  Galium trifidum var. pusillum B. Castro; L. P. Janeway 2003-9-7 1456 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. Along channel of creek running length of valley through a pair of ponds, at NW edge of smaller upper pond. 2033 Comment
  CHSC102122  Galium triflorum Lowell Ahart; John Dittes 2009-7-27 16170 Plumas On dry soil, about 100 yards west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS122089  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC62473  Gayophytum diffusum subsp. diffusum L. P. Janeway 1993-8-26 4541 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 300 m south of Middle Fork Feather River and ca 300 m west of Beckwourth-Calpine Road; ca 0.6 mi west of Beckwourth and 4 mi east of Portola. 1487 Comment
  UCR123373  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6880 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  POM161587  Gayophytum humile R. C. Bacigalupi 1927-7-8 1678 Plumas Slopes of Mt. Elwell above Long Lake 2134 Comment
  CHSC53204  Gayophytum racemosum L. P. Janeway 1989-6-14 3308 Plumas Plumas National Forest. Forest along s'ly side of Red Clover Valley. 1699 Comment
  SEINET10847872 Image available Gentiana affinis R. M. Austin 1879-1 Austin s.n. Plumas Mt. Dyer. Comment
  RSA122291  Geum canescens E. Sawyer 1935-6-21 135 Plumas 4.5 miles NE of Crow. 1585 Comment
  SEINET10483127  Geum ciliatum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3851 A Plumas T24N R14E nw sec 7, Crocker Mt quad. Sagebrush Scrub in Red Clover Valley, ca. 0.5 mi N of Genesee-Beckwourth Rd, ca. 7 mi NW of Beckwourth; elevation 5480 ft. 1670 Comment
  UCR160554  Geum triflorum G. D. Barbe, T. C. Fuller 1982-6-17 3840 Plumas E shore of Frenchman Lake, Crystal Fishing Access. Marshy arm of the lake at the parking lot 1707 Comment
  JEPS107951  Gilia capillaris Lowell Ahart, Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  JEPS110431  Gilia leptalea subsp. leptalea Lowell Ahart 2006-7-9 12935 Plumas Near a very 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
  UC175343  Githopsis specularioides A. A. Heller 1913-6-13 10840 Plumas near Marston Station 1066 Comment
  UCSB40618  Githopsis specularioides Reisentz, Paul 1979-5-12 Plumas 11 miles north of Injum Jim campground on Hwy 70 Comment
  CAS-BOT-BC283875  Glyceria borealis John Thomas Howell; Gordon H. True 1967-7-9 43263 Plumas Meadow at Quincy 1036 Comment
  CAS-BOT-BC283880  Glyceria borealis John Thomas Howell 1976-7-15 51843 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  SEINET7297636 Image available Glyceria borealis Malcolm A. Nobs, S. Galen Smith 1949-1 1459 Plumas Marshy pond on southeastern side of Portola Comment
  CHSC44568  Glyceria elata Lowell Ahart 1978-10-4 1815 Plumas Along the edges of Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  UCD66838  Glyceria elata John Thomas Howell 1926-7-30 2153 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC282695  Glyceria elata George W. Gillett 1957-7-18 828 Plumas Willow Lake, Lassen Volcanic National Park 1661 Comment
  CAS-BOT-BC307393  Gnaphalium palustre Anna Head 1921-8-8 s.n. Plumas Lake Center Camp , Feather River Region Comment
  CAS-BOT-BC307396  Gnaphalium palustre Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC95006  Gnaphalium palustre Lowell Ahart 2006-10-23 13475 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS102560  Gnaphalium palustre Lowell Ahart 2001-10-16 9369 Plumas On the north side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  CHSC99801  Gratiola ebracteata Lowell Ahart 2008-7-9 15063 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
  CHSC82133  Gratiola neglecta L. P. Janeway 2001-7-25 7384 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
  POM43604  Gratiola virginiana Marcus E. Jones 1897-7-3 s.n. Plumas Prattville [county not specified on label] 1372 Comment
  CAS-BOT-BC182429  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54113 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC189590  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54257 Plumas About 2.5 miles SE of Mount Hough on the road to Quincy 1798 Comment
  CDA13387  Hackelia californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13236 Plumas Sierra Nevada; above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC75467  Hackelia californica G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13236 Plumas Sierra Nevada. Plumas National Forest. Above headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2100 Comment
  CHSC58162  Hackelia micrantha Vernon H. Oswald 1992-6-18 4987 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  UC1063914  Hackelia micrantha E. Sawyer 1935-6-27 176 Plumas 3.7 mi n of Hawke; Plumas National Forest 1676 Comment
  UC1560383  Hackelia micrantha E. Joyal and D. Mehlman 1988-7-3 1307 Plumas 11 mi n of Quincy; Plumas National Forest, Mount Hough 2000 Comment
  CHSC72443  Hackelia nervosa L. P. Janeway 1998-7-31 5905 Plumas About 1.2 mi south-southeast of Pilot Peak; saddle on Bunker Hill Ridge where Road 23N10 crosses it. 2011 Comment
  CHSC76045  Hackelia nervosa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3068 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  RSA189339  Hackelia nervosa L. S. Rose 1967-7-11 67163 Plumas Summit Mt. Hough. 2212 Comment
  SEINET10474689  Haplopappus bloomeri Mary Susan Taylor 1981-8-25 Taylor 4235 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  CHSC44261  Hastingsia alba Vernon Oswald 1988-7-19 3593 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC508329  Hastingsia alba Mrs. Jos. Clemens 1920-6-17 s.n. Plumas Greenville Comment
  UCD63044  Helenium puberulum Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Blackhawk Road. Butterfly Valley. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  UC1069446  Helianthella californica subsp. nevadensis G. T. Nordstrom 1934-7-3 181 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCD130176  Helianthella californica var. nevadensis Albert Grigarick 2011-8-15 292 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort Road turn-off of Gold Lake Hwy., approx. 1/8 mile W from Graeagle Trail head to Hawley Falls. 1898 Comment
  CHSC43616  Helianthus bolanderi Vernon Oswald 1984-8-14 1648 Plumas Hwy 89, 0.1 mi e of Humbug-Humboldt Rd. 1371 Comment
  UCR61935  Helianthus bolanderi D. F. Howe 1959-8-3 2783 Plumas 41 mi north of Quincy on 89, west of Lake Alamanor 1372 Comment
  CAS-BOT-BC305543  Helianthus bolanderi Paul F. Covel 1937-7-20 1069 Plumas Quincy Comment
  CAS-BOT-BC313428  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  CDA6574  Hemizonia congesta subsp. clevelandii J. T. Howell 1961-9-23 36825 Plumas Sierra Nevada; Indian Valley. East of Crescent Mills on Stampfli Lane Comment
  UCD170310  Hesperis matronalis M. S. Taylor 1982-6-9 4618 -A Plumas Along Bucks Lake Rd, across the street of Meadow Valley Inn. 1219 Comment
  MACF019598  Hesperocyparis bakeri Trudy R. Ericson 1975-9-18 405 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
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Apr 29 2016
  OBI12538  Hesperolinon micranthum Helen K. Sharsmith 1955-6-28 4521 Plumas About 1 mi below Virgilia, E branch of North fork of Feather River 762 Comment
  CHSC112534  Heterocodon rariflorum B. Castro; L. P. Janeway 2009-6-7 1791 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.85 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, near base of low knolls with rounded granitic rock outcrops, ca 250 ft below edge of open Ponderosa-Jeffrery pine forest. 1668 Comment
  CAS-BOT-BC143608  Heteromeles arbutifolia Edward Pittman 1965-10-16 206 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  CAS-BOT-BC310257  Heterotheca W. Harnach; N. Harnach 1989-6-29 201 Plumas Sierra Valley. Hindoo Ranch 1490 Comment
  RSA718945  Heterotheca oregona var. rudis L. Ahart 2006-10-8 13390 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  CDA17238  Heterotheca villosa G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16341 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC312293  Heterotheca villosa var. minor John Thomas Howell 1951-8-20 28230 Plumas Vinton, Sierra Valley, Sierra Nevada 1524 Comment
  CAS-BOT-BC424164  Heuchera micrantha var. erubescens John Thomas Howell 1976-7-16 51883 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC424170  Heuchera micrantha var. erubescens Alice Eastwood 1927-6-1 14670 Plumas United States Forest Reserve, on road from Long Valley Comment
  CAS-BOT-BC424327  Heuchera rubescens Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas 1 1/2 miles west of Johnsonville on road to Gibsonville 1524 Comment
  RSA0066190  Heuchera rubescens var. alpicola R. C. Bacigalupi 1927-7-2 1687 Plumas About 0.25 mile below outlet of Long Lake along Grey Eagle Creek. 1829 Comment
  CAS-BOT-BC319620  Hieracium albiflorum John Thomas Howell 1960-7-19 35709 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  RSA286279  Hieracium albiflorum R. F. Thorne 1974-7-30 45013 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  SEINET11841728  Hieracium albiflorum W. Knight, Knight, I. 1983-1 4921 Plumas confluence of North Fork of Feather River & Warner Creek, between Chester & Drakesbad 1509 Comment
  UC897789  Hieracium albiflorum Anna Head 1921-7-17 Plumas Gray Eagle Trail Feather River Region Comment
  CAS-BOT-BC318521  Hieracium bolanderi John Thomas Howell 1951-6-28 27716 Plumas Eureka Peak 2255 Comment
  CDA13558  Hieracium greenei G. F. Hrusa, T. D. Wilfred 1996-7-22 13386 Plumas Sierra Nevada; Plumas NF, on S side above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 mi. E of Quincy. Comment
  UC170929  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Plumas Willow Creek Sierra Nevada Mountains, Willow Creek 1280 Comment
  CDA18468  Hieracium scouleri G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3198 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CAS-BOT-BC316036  Hieracium scouleri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54211 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 1584 Comment
  CDA20394  Hirschfeldia incana J. Naughton 2002-7-7 102 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CAS-BOT-BC289224  Holcus lanatus M. S. Taylor 1982-8-12 4980 Plumas Along Denton Creek between 516 and Hwy 70, ca. 1 mi. e of Blarsden 1432 Comment
  CHSC75954  Holcus lanatus G. F. Hrusa 1996-8-2 13433 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Trib. of Squirrel Creek. In area adjacent to old logging road. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  CHSC64132  Holodiscus microphyllus var. glabrescens B. Castro; L. Hanson 1988-7-15 271 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  CHSC42046  Holodiscus microphyllus var. microphyllus Lowell Ahart 1986-7-8 5357 Plumas Near cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  RSA726283  Hordeum brachyantherum L. Ahart, John Dittes 2007-6-16 14150 Plumas About 200 yards S 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
  SEINET10507463  Hordeum brachyantherum Mary Susan Taylor 1982-6-28 Taylor 4768 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
  CHSC44571  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1977-8-8 1545 Plumas On a dam, in the meadow east of the lake, in Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 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
  CDA32410  Hordeum jubatum L. Ahart 2001-8-29 9253 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  UC711916  Horkelia fusca subsp. tenella Roxana S. Ferris and Laura Lorraine 1941-8-9 10423 Plumas near village; Lake Almanor Public Camp Comment
  CHSC102744  Horkelia fusca var. parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16145 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  CHSC117653  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC537870  Horkelia fusca var. parviflora Anna Head 1921-7-17 s. n. Plumas Feather River Region: Gray Eagle Meadows 1828 Comment
  CAS-BOT-BC143993  Horkelia fusca var. tenella John Thomas Howell 1926-7-26 2128 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC143997  Horkelia fusca var. tenella Thomas H. Kearney 1944-8-14 69 Plumas Near Prattville, Lake Almanor Comment
  RSA268959  Horkelia tridentata subsp. flavescens J. R. Reeder, C. G. Reeder 1975-6-5 6678 Plumas 5 miles SE of Spring Garden in park like stand of Pinus ponderosa Comment
  CAS-BOT-BC538235  Horkelia tridentata var. flavescens A. A. Heller 1938-5-21 15102 Plumas Landing field west of Chester 1304 Comment
  CAS-BOT-BC536284  Horkelia tridentata var. tridentata H. H. G. 1913-5-7 38 Plumas Swayne [Swain] Lbr 792 Comment
  CAS-BOT-BC201086  Hosackia crassifolia Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC201087  Hosackia crassifolia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC201083  Hosackia crassifolia Charles Piper Smith 1921-7-18 3443 Plumas Lake Almanor Road Comment
  CHSC95210  Hosackia crassifolia var. crassifolia R. D. Fischer 2005-7-4 812 Plumas Butt Valley Reservoir. Sierra Nevada high, along the north side road of Butt Valley Reservoir, near eastern end of lake. 1341 Comment
  CHSC101850  Hosackia 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
  CHSC21295  Hosackia oblongifolia F. T. Griggs; A. Pass 1975-7-29 254 Plumas Buck's Lake. Comment
  JEPS1631  Hydrophyllum capitatum var. alpinum Jos. Grinnell 1927-5-18 Plumas 6 mi from Chester 1310 Comment
  JEPS95404  Hydrophyllum occidentale Lowell Ahart 1994-6-15 7337 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  SBBG6112  Hydrophyllum occidentale H. and M. Dearing 1939-5-9 3319 Plumas Feather River, North Blairsden Comment
  OBI13928  Hydrophyllum occidentale Lewis S. Rose 1967-7-11 67166 Plumas Mt Hough, 1.3 mi from summit 2042 Comment
  RSA189390  Hydrophyllum occidentale L. S. Rose 1967-7-11 67166 Plumas Mt. Hough, 1.3 miles S of summit. 2043 Comment
  CAS-BOT-BC400941  Hypericum anagalloides Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC400948  Hypericum anagalloides Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1620 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen 1097 Comment
  CAS-BOT-BC400942  Hypericum anagalloides Rimo Bacigalupi 1927-7-10 1683 Plumas Slopes of Mt Elwell above Long Lake 2133 Comment
  JEPS101239  Hypericum formosum var. scouleri Dean W. Taylor 2000-8-8 17563 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  UC1586469  Hypericum formosum var. scouleri Vernon H. Oswald and Lowell Ahart 1991-7-30 4779 Plumas 5.2 mi. (odometer) n.e. Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  JEPS115553  Hypericum perforatum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16241 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC401208  Hypericum perforatum John Thomas Howell 1959-9-21 34721 Plumas Belden 701 Comment
  SD7657  Ipomopsis aggregata R. M. Austin 1880-1 Plumas Big Meadows Comment
  HSC22956  Ipomopsis aggregata John Pratt 1970-7-10 73 Plumas 1524 Comment
  CDA15897  Ipomopsis aggregata subsp. aggregata B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC135735  Iris hartwegii Mary Strong Clemens 1920-5-4 s.n. Plumas Greenville Comment
  SEINET10899987  Iris hartwegii subsp. pinetorum Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1078 Plumas Collected on s side of greenville on n-facing slope. Douglas-fir forest on Small side road Comment
  UC1174773  Iris tenuissima subsp. purdyiformis L. W. Lenz and E. K. Balls 1955-5-13 20699 Plumas between Tobin and Camp Rogers (along U.S. Hwy 40) 609 Comment
  CAS-BOT-BC61863  Isoetes nuttallii John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2145 Plumas Pond reservoir 1097 Comment
  RSA739601  Iva axillaris subsp. robustior John Dittes, L. Ahart 2003-8-8 s.n. Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 5.7 air-miles SE of Portola, 3.4 air-miles S of Beckwourth, ca. 0.9 air-mile N of Dyson Lane; at E edge of Beckwourth-Calpine Road (A23). 1489 Comment
  CAS-BOT-BC137399  Ivesia aperta James R. Shevock 1985-7-6 11315 Plumas Sierra Valley. Along California highway 49, 0.2 mile north of Plumas-Sierra County line and about 2.5 miles north of Loyalton 1600 Comment
  RSA790593  Ivesia aperta James R. Shevock, Barbara Ertter 1986-7-20 11736 Plumas Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  JEPS99015  Ivesia aperta var. aperta Carol W. Witham 1993-7-7 548 Plumas Sierra Valley; 2.0 air mi N of the Beckworth Airport and approx. 0.5 mi E of the Beckwourth Genessee Valley Road. 1520 Comment
  SJSU13926  Ivesia baileyi N. A. Hopkins 1986-7-15 1362 .5 Plumas by rd below Frenchmans Cr Reservoir Comment
  JEPS98260  Ivesia gordonii Catie Bishop 2001-6-28 Plumas Red Mountain, 3 mi S of Bucks Lake, ridge 0.2 mi SE of Red Mt. Peak Comment
  CHSC102973  Juncus articulatus Lowell Ahart; John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET6331939  Juncus balticus W. Harnach 1991-6-17 549 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  SJSU14301  Juncus bryoides N. A. Hopkins 1989-5-24 1499 .5 Plumas by Loyalton-Beckwourth Rd near Marble Hot Springs Rd 1524 Comment
  CHSC81173  Juncus bufonius var. bufonius Lowell Ahart 2001-8-29 9248 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS97350  Juncus bufonius var. occidentalis Lowell Ahart 1995-9-13 7628 Plumas E of Quincy La Porte Road, abut 1 mi NW of Pilot Peak N side of Onion Valley 1828 Comment
  UCD102189  Juncus chlorocephalus Daniel Sanchez-Mata; Tomas Santamaria 2006-8-5 s.n. Plumas Quincy. Plumas National Forest. Blackhawk Road. Butterfly Valley Botanical Area. 1160 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
  SEINET11787640  Juncus covillei Unknown 1985-1 5123 Plumas Little Grass Valley Res., where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 Comment
  HSC104016  Juncus dubius L. Ahart 2008-8-13 15158 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CHSC52749  Juncus effusus subsp. pacificus L. P. Janeway 1990-8-29 3845 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Between marshy area and dirt road. 1905 Comment
  UCD141509  Juncus effusus subsp. pacificus John Thomas Howell 1960-7-20 35770 Plumas Boiling Springs Lake. Lassen Volcanic National Park. 1798 Comment
  JEPS115975  Juncus effusus var. exiguus Lowell Ahart, John Dittes 2009-7-15 16081 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC102040  Juncus ensifolius Lowell Ahart; John Dittes 2009-7-27 16176 Plumas On dry to damp soil, about 5 yards northwest of the small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS122285  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas About one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  SEINET3150870  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off Hwy 24, E of Quincy 1524 Comment
  RSA95515  Juncus ensifolius J. T. Howell 1951-8-20 28199 Plumas Indian Valley. 1067 Comment
  JEPS106086  Juncus hemiendytus var. hemiendytus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11053 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  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
  CHSC110250  Juncus howellii L. P. Janeway 2012-8-28 11055 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  CHSC113669  Juncus howellii L. P. Janeway 2014-8-12 11567 Plumas Northern High Sierra Nevada. Plumas National Forest; Kenzie Ravine at crossing of Road 22N60 (Silvertip Road); 1.2 air-km northeast of Little Grass Valley Reservoir. 1571 Comment
  UCD141556  Juncus howellii Lewis S. Rose 1966-7-27 66068 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 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
  CHSC53073  Juncus macrandrus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  RSA59683  Juncus macrandrus E. K. Balls 1950-9-9 15757 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CDA13976  Juncus nevadensis G. F. Hrusa 1996-8-2 13440 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. . Comment
  JEPS115918  Juncus nevadensis Lowell Ahart, John Dittes 2009-7-27 16191 Plumas On dry soil, about 20 yards north of the poor dirt road, about 10 yards north of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  UCD108054  Juncus nevadensis Tim Kuhn 2006-1 86 Plumas on Plumas NF forest service road 107407. Comment
  CDA33231  Juncus occidentalis L. Ahart, John Dittes 2005-9-19 12399 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. Comment
  JEPS107936  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-20 12450 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 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
  CHSC108028  Juncus orthophyllus L. P. Janeway; B. Castro 2011-10-2 10752 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  CHSC73508  Juncus orthophyllus H. Durio 1995-8-17 Plumas Mosquito Flat Mdw. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. In main meadow. 1676 Comment
  JEPS113815  Juncus parryi Lowell Ahart, John Dittes 2007-8-9 14439 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
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CHSC113840  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, high west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA754873  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  RSA0115085  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek 0.8 km upstream from its confluence with the Little North Fork of the MIddle Fork of the Feather River. 1421 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
  CHSC84903  Kalmia polifolia subsp. microphylla L. P. Janeway 2003-9-20 8000 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. At pond edge. 2115 Comment
  NY790336  Keckiella lemmonii L. Ahart 1986-7-25 5375 Plumas Along Cleghorn Bar Road, about 1½ miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828.8 Comment
  UCR3599  Keckiella lemmonii Wm. Horn Jr. 1963-8-4 630804- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, edge of Schnieder Creek Road, 1 mi south of Meadow Valley Creek 1250 Comment
  CHSC101939  Kelloggia galioides Lowell Ahart; John Dittes 2009-7-15 16083 Plumas On dry rocky soil, near a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC65384  Kelloggia galioides Lowell Ahart 1995-9-13 7631 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC91939  Kelloggia galioides Lowell Ahart; Josephine Guardino 2005-8-9 12276 Plumas Sides of a deep depression (mining?) in a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC97098  Kelloggia galioides Lowell Ahart; Josephine Guardino 2007-7-21 14372 Plumas Around pine trees, north of a large meadow, about 30 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  SBBG119898  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas ca. 50 yards SE of the Pacific Crest Trail on Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Peak, ca. 9 mi (air) NE of La Porte Comment
  UC889314  Kelloggia galioides Anna Head 1920-7-29 Plumas Lake Center Camp; Feather River Region 1920 Comment
  JEPS70564  Koeleria macrantha W. L. Jepson 1910-6-14 4124 Plumas Prattville 1310 Comment
  CHSC75907  Kyhosia bolanderi G. F. Hrusa 1996-8-2 13431 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1850 Comment
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  JEPS125973  Lathyrus jepsonii var. californicus D. W. Taylor 2001-6-20 17806 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  CHSC33770  Lathyrus latifolius Nancy Mosman 1971-7-11 72 Plumas Along E side of Hwy 70 ca. 1.3 mi S of Beldon turnoff. 1025 Comment
  CAS-BOT-BC205064  Lathyrus sulphureus Mary Strong Clemens 1920-8-11 s.n. Plumas Greenville Comment
  SEINET10487281  Lathyrus sulphureus Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1090 Plumas Collected 2.2 mi from jct of hwy 89 and 70. Douglas fir, libocedrus, and Quercus along hwy 89. Comment
  SEINET8655885 Image available Layia glandulosa W. Harnach 2014-4-29 1386 Plumas 1.2 miles north of Chilcoot on Frenchman Rd. than 1.45 miles NE of USFS Rd. 24N88. Comment
  UC170983  Ledum glandulosum H. M. Hall 1912-6-26 9274 Plumas Sierra Nevada Mountains, Butterfly Valley Butterfly Valley; Sierra Nevada Mountains, Butterfly Valley 1158 Comment
  CHSC59102  Lemna trisulca V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5175 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a ditch in a meadow, near the EW boundary line of the park. 1595 Comment
  SBBG119742  Lemna trisulca L. Ahart with J. Dittes, J. Guardino, R. Schlising, S. Chamberlain 2004-6-14 11067 Plumas S side of Forest Rd 24N10, ca. 0.25 mi W of Cow Crk, W of Lake Davis, ca. 9.25 mi NE of Sloat 1796 Comment
  UC1101271  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-8-19 1397 Plumas 2 mi s of Greenville (Indian Valley); Indian Valley Comment
  RSA169403  Lepidium campestre L. S. Rose 1963-6-3 63107 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  SEINET10448347  Lepidium campestre Mary Susan Taylor 1974-5-18 Taylor 247 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  UC398786  Lepidium nitidum Mrs. R. M. Austin Plumas Comment
  CAS-BOT-BC60093  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  UC572593  Leptodactylon pungens G. T. Nordstrom 1934-7-9 193 Plumas one and one half mi n Grizzly Hill; Plumas National Forest, Bidwell Bar Quad., n Grizzly Hill 1584 Comment
  SEINET10496777  Leptodactylon pungens subsp. pulchriflorum Mary Susan Taylor 1982-6-28 Taylor 4765 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
  CHSC97598  Leptosiphon harknessii Lowell Ahart; John Dittes 2007-6-16 14126 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC342090  Leucanthemum vulgare Gladys L. Smith 1976-6-5 4541 Plumas About Quincy and north to Childs Meadows & Mineral 640 Comment
  SEINET8480452  Leucocrinum montanum T. Ramelli 1948-5-16 38 Plumas 1 mile W of Vinton. 1524 Comment
  CAS-BOT-BC59609  Leucothoe davisiae Herbert L. Mason 1924-6-19 1073 Plumas Along margins of Bear Lake at base of Mt. Elwell. Comment
  CAS-BOT-BC59611  Leucothoe davisiae Rimo Bacigalupi 1927-7-10 1738 Plumas Shores of Helgamite Pond on trail to Mt. Elwell. 2072 Comment
  JEPS103433  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the S side of the dirt road and S of the large meadow, 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
  SEINET7270548  Leucothoe davisiae C. D. Marsh 1914-8-28 11077 Plumas Quincy Comment
  CAS-BOT-BC233778  Lewisia cantelovii George B. Youngs 1943-6-3 s.n. Plumas North Fork of the Feather River about 2 1/2 miles up the river from highway to Belden 914 Comment
  CHSC101860  Lewisia nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15894 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area. 1421 Comment
  CHSC34925  Lewisia nevadensis M. S. Taylor 1981-6-3 3850 Plumas S side of 24N57, ca. 1 mi sw of Summit Lakes in Grizzly Valley, ca. 11 mi nw of Beckwourth. 1798 Comment
  SEINET10572728  Lewisia nevadensis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4323 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC725362  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas 2 mi e on State Highway 36 Plumas county line Comment
  UCD64237  Leymus cinereus John Thomas Howell 1959-9-24 34898 Plumas Crescent Mills. 1066 Comment
  RSA129540  Leymus condensatus E. Sawyer 1935-6-14 103 Plumas 3/4 mile W. of Sugarloaf; Sierraville 1524 Comment
  CAS-BOT-BC274528  Leymus triticoides Fred Sommers; Greg Sommers 1976-7-15 170 Plumas Sierra Valley Marsh, along road near W end of Dyson Lane (at road A 23) 1524 Comment
  UCD127557  Ligusticum grayi John Thomas Howell 1960-7-23 35935 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC509331  Lilium kelleyanum J. Ed. McClellan; Bonnie McClellan 1969-7-14 s.n. Plumas Argentine Ridge 2133 Comment
  CAS-BOT-BC509332  Lilium kelleyanum Clarence R. Quick 1934-7-4 s.n. Plumas Headwaters of Clear Creek Comment
  CAS-BOT-BC509338  Lilium kelleyanum Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC509349  Lilium kelleyanum M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi so of Mohawk 1920 Comment
  CAS-BOT-BC130712  Lilium pardalinum Paul F. Covel 1937-7-20 707 Plumas Pass east Buck's Comment
  CAS-BOT-BC130785  Lilium pardalinum Rimo Bacigalupi 1927-7-10 1692 Plumas About 1/4 mile below outlet of Long Lake along Gray Eagle Creek 1828 Comment
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  LA22092  Lilium washingtonianum C. W. Hollis; June 1730 1928 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UCD139756  Lilium washingtonianum Gerald Dickinson 1963-7-1 61 Plumas State Highway 89, 7 miles northwest of Canyon Dam. 1097 Comment
  UC1134646  Lilium washingtonianum subsp. washingtonianum G. T. Nordstrom 1934-7-10 211 Plumas 2 mi sw Gravel Range; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CHSC34324  Limosella aquatica L. Ahart 1981-9-6 3109 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  JEPS115521  Lindernia dubia var. anagallidea Lowell Ahart, John Dittes 2009-9-7 16403 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA52882  Lindernia dubia var. anagallidea R. Weatherby 1950-7-28 1530 Plumas At Smith Lake. 1250 Comment
  JEPS127127  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas About one mille northeast of Quartz Hill, about 7 miles (air) northeast of Feather Falls. Comment
  UCD14624  Linum lewisii var. lewisii Nathan Horn 1989-5-18 13 Plumas Plumas Co.; along the south side of Highway 70; 1487 Comment
  CHSC46665  Listera convallarioides Lowell Ahart 1989-7-7 6372 Plumas On the south side of Bunker Hill Creek, east of the forks on Bunker Hill Creek, about 1 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1706 Comment
  POM174011  Listera convallarioides J. G. Lemmon s.n. Plumas Butterfly Valley Comment
  CAS-BOT-BC36580  Lithocarpus densiflorus var. echinoides Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  CHSC43744  Lithophragma glabrum Vernon Oswald 1986-6-6 2095 Plumas LaPorte - Quincy Rd. 0.2 mi n of the road to Cleghorn Bar. 1996 Comment
  SD8416  Lithophragma glabrum Mrs. R. M. Austin 1879-1 Plumas Bid Meadows Comment
  RSA121446  Lithophragma glabrum E. Sawyer 1935-5-23 35 Plumas 1.5 miles SSW of Kerby. 1555 Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CHSC10632  Lithophragma tenellum Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  SEINET12215667  Lithophragma tenellum Unknown 1978-1 15 Plumas ca 0.2 mi S jct Hwy 70 & Bucks Lake Rd, ca 0.5 mi NW of Boyle Ravine Comment
  UC1063987  Lithospermum ruderale E. Sawyer 1935-6-27 175 Plumas 3.7 mi n Hawks; Sierraville; Sec. 14 1676 Comment
  CAS-BOT-BC269066  Lolium perenne John Thomas Howell 1960-7-18 35567 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC56512  Lomatium bicolor Steven Triano 1988-4-17 52 Plumas Ca 60 ft s of Hwy. 89 and 0.3 mi w of Almanor. 1386 Comment
  SEINET6225253  Lomatium macrocarpum L. S. Rose 1967-1 67154 Plumas Butterfly Valley, 3 mi W of Keddie. Comment
  RSA0008792  Lomatium nevadense B. C. Templeton 1967-4-27 s.n. Plumas About 6 miles south of Beckwourth Comment
  UC1730263  Lomatium plummerae L. P. Janeway 1998-6-22 5651 B Plumas 1.8 mi SSE of Indicator Peak; West Branch Bear Valley Creek 1699 Comment
  NY380626  Lomatium plummerae var. helleri A. A. Heller 1913-6-13 10838 Plumas Near Marston Station 1066.8 Comment
  CHSC21691  Lonicera conjugialis D. Brink; L. Mayer 1975-7-8 Plumas Bucks Lake Floristic Survey Comment
  CHSC99794  Lonicera conjugialis Lowell Ahart 2008-8-14 15214 Plumas West of the small stream, northwest of the meadow (swamp, bog), about 300 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1597 Comment
  RSA59420  Lonicera involucrata E. K. Balls 1950-9-7 15701 Plumas Lakes Center Public Campground. Comment
  SEINET10465038  Lonicera involucrata Mary Susan Taylor 1981-7-17 Taylor 4029 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CAS-BOT-BC243907  Lonicera involucrata var. involucrata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Blaisden Comment
  RSA0035399  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas About 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC21694  Lotus F. T. Griggs; A. Pass 1975-7-2 65 Plumas North of Grizzly Forebay. Comment
  UC1586414  Lotus crassifolius Vernon H. Oswald and Lowell Ahart 1991-6-18 4679 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
  CDA14763  Lotus nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3337 Plumas Indian Creek Bridge 0.1 mile northwest of junction with road to Antelope Lake dam. 1584 Comment
  UC1523777  Lotus nevadensis Gary Schoolcraft 1981-6-17 471 Plumas sw of Portola 1481 Comment
  RSA71069  Lotus nevadensis L. S. Rose 1951-6-24 51068 Plumas 9 mi. east of Quincy. 1220 Comment
  CDA17249  Lotus oblongifolius G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16276 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CDA18564  Lotus oblongifolius G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3347 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  RSA59274  Lotus unifoliolatus E. K. Balls 1950-8-31 15568 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  RSA239225  Ludwigia palustris var. pacifica Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42319 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  JEPS125949  Lupinus adsurgens var. adsurgens D. W. Taylor 2000-7-30 17534 Plumas Genesee Valley, road to Antelope Lake Reservoir (Forest Road 172) ca 3 miles E of Genesee Comment
  CHSC92283  Lupinus albicaulis John Dittes 2005-6-23 1182 Plumas Northern High Sierra Nevada Range; east edge of Indian Valley; ca. 2.7 air-miles east x northeast of Crescent Mills, ca. 2.5 air-miles north x northwest of Taylorsville, ca. 1.4 air-miles west of Keddie Point, near intersection of County Road 112 and County Road 206. 1072 Comment
  UC1542833  Lupinus albicaulis M. L. Conrad, Dunn, and Kenney 1973-6-5 7061 Plumas on Meadow Valley Road at w side Quincy; w side of Quincy 1036 Comment
  SJSU14466  Lupinus albicaulis N. A. Hopkins 1990-7-1 1627 Plumas c. 2 mi W of Notson's Bridge Comment
  SEINET10544036  Lupinus albicaulis subsp. wolfianus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7050 Plumas Yellow pine and douglas fir in plumas nat. For. Off hwy 70 1067 Comment
  SEINET5766874 Image available Lupinus albicaulis var. shastensis A. A. Heller, B. B. Kennedy 1907-1 8862 Plumas Genessee Valley near Genessee Comment
  CHSC36202  Lupinus angustiflorus M. S. Taylor 1982-7-12 4814 Plumas Township: T22N R11E SW1/4 of SW1/4 S04 and NE1/4 of SE1/4 S05. Blue Nose Mt. Cobbly slope along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadow Rd, ca. 6 air mi w of Mohawk. 2072 Comment
  RSA29125  Lupinus apertus J. T. Howell 1951-6-27 27606 Plumas Jamison Creek. 1890 Comment
  CHSC70011  Lupinus arbustus L. P. Janeway 1997-5-7 5111 Plumas Along Beckwourth-Genesee Road; on northeast side of Red Clover Creek 2.9 mi southeast of Indian Creek. 1249 Comment
  JEPS121740  Lupinus arbustus B. Castro and L. P. Janeway 2008-6-6 1736 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) just E of its jcn with small dirt rd to lower Thompson Valley. Comment
  UC1481927  Lupinus arbustus M. L. Conrad, Dunn, LeDoux 1973-6-5 7060 Plumas 5.2 miles west of junction of Highway 70 and Meadow Valley Road in Quincy. Comment
  UC1482899  Lupinus arbustus LeDoux, Morris, Dunn 1973-6-5 1077 Plumas Collected on south side of Greenville. Comment
  CHSC910  Lupinus argenteus var. heteranthus D. Crummett 1937-5-14 Plumas Near Quincy. 1036 Comment
  JEPS113584  Lupinus argenteus var. meionanthus Lowell Ahart, Josephine Guardino 2007-7-20 14353 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola 1518 Comment
  CHSC35934  Lupinus breweri M. S. Taylor 1982-6-10 4630 Plumas In sand on road, ca. 1 mi ne of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 1798 Comment
  CAS-BOT-BC196676  Lupinus breweri var. breweri J. T. Vale 1989-10-4 s.n. Plumas Rd. Bucks Ck - Oroville 1981 Comment
  CAS-BOT-BC196677  Lupinus breweri var. breweri M. S. Taylor 1982-6-1 4578 Plumas Openings on n side of spur rd (27N39), off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville 1524 Comment
  CHSC112062  Lupinus breweri var. breweri L. P. Janeway 2014-7-15 11527 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, in the middle of Happy Valley. 1754 Comment
  CAS-BOT-BC196673  Lupinus breweri var. breweri Lloyd W. Swift 1931-6-1 55 Plumas Plumas National Forest. Wemple Meadows 1828 Comment
  SEINET10490609  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-6-28 Taylor 4754 Plumas T23n, r14e, nw1/4ne1/4 sec 27. Portola quad. Corolla blue. Ramelli ranch, s Of hwy 70, ca 1 mi. W of beckwourth. Sagebrush scrub. With phaceli hastata. 1487 Comment
  RSA263045  Lupinus confertus W. E. Harmon 1969-8-18 1566 Plumas Beckworth Pass, 1/2 mi. W. Comment
  SEINET10870977  Lupinus confertus Robert F. Thorne, C. W. Tilforth 1969-9-6 Thorne 39226 Plumas Just S of Beckwourth and S of the Feather river on Co. Hwy A24. 1356 Comment
  CAS-BOT-BC215403  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215406  Lupinus dalesiae Charles Piper Smith 1947-5-22 47339 Plumas Quincy Road, 3.9 miles E of Meadow Valley Comment
  CHSC36198  Lupinus dalesiae M. S. Taylor 1982-6-2 4597 Plumas Along 23N11, on loop through Cogswell Ravine, on roadcut and upslove in disturbed areas, 3.2 mi ne of Jackson Creek Campground, ca. 5 air mi n of Mohawk. 1737 Comment
  CHSC36859  Lupinus dalesiae M. S. Taylor 1982-7-12 4818 Plumas Along Eureka Peak Rd, ca. 1.5 mi s of McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2164 Comment
  UC170944  Lupinus dalesiae H. M. Hall 1912-6-29 9295 Plumas Spanish Peak; Sierra Nevada Mountains, Spanish Peak 1828 Comment
  UCD107625  Lupinus dalesiae L. P. Janeway 1990-6-8 3706 Plumas Plumas National Forest, Beckwourth Ranger District. Little Long Valley; along rd 23N12 ca. 0.6 of jct with rd 23N51. 1722 Comment
  CAS-BOT-BC215407  Lupinus dalesiae Charles Piper Smith 1921-7-14 3424 Plumas Campground hillside, Quincy Comment
  SEINET10452062  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4683 Plumas T23N R10E ne/nw sec 5. Quincy quad. Open bare rdcut, 1/4 mi n of jct of 23N90 & 24N14, ca. 1/2 mi n of Willow Creek, ca. 4 air mi se of Quincy. 5099 ft. 1554 Comment
  SEINET10452066  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4615 Plumas T24N R8E n/nw sec 34. Bucks Lake NE quad. W side of Schneider Creek Rd (24N16), 1.2/1.3 mi s of its jct with rd to UC Forestry Camp, l.6/l.7 mi s of Bucks Lake Rd, 2 mi s of Meadow Valley. Comment
  SEINET10485184  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 201 Plumas On n side of hwy 70 near hallsted on hillside above kingsbury rd. In mixed Conifer forest. Comment
  SEINET10937074  Lupinus dalesiae Taylor 1982-6-16 Taylor 4684 Plumas Quincy quad. Corolla yellow. Open bare roadcut, n. Side of 24n13, ca. .1 Mi East of its jct with willow creek rd (23n90), ca. 4 Air mi southeast of quincy. With silene lemmonii. 1585 Comment
  RSA715534  Lupinus grayi John Dittes, Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  UC1482904  Lupinus grayi LeDoux, Conrad, and Dunn 1973-6-5 1092 Plumas along Hwy 89, 2.2 mi from jct of Hwy 89 and 70 Comment
  RSA31783  Lupinus grayi A. A. Heller 1938-5-30 15134 Plumas Near Rich Bar along the Feather River Highway #24. 762 Comment
  UC149942  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  CHSC43667  Lupinus lepidus var. lobbii Vernon Oswald 1984-6-19 1292 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 8.8 mi n-e of Hwy 36. 1584 Comment
  CHSC53201  Lupinus lepidus var. sellulus L. P. Janeway 1989-6-13 3301 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley. 1688 Comment
  CHSC97008  Lupinus lepidus var. sellulus B. Castro; Shannon Nielsen 2005-7-12 1492 Plumas Ca 13 air mi NE of town of Feather Falls and 1.5 air mi SE of the Middle Fork Feather River, on spine of Hartman Bar Ridge. Along USFS Rd 22N94, on W edge of road. Site is 0.5 rd mi S of jcn of the main (94) road with a side-road that goes to Hartman Bar Trailhead. 1463 Comment
  SEINET10488784  Lupinus meionanthus Taylor 1981-7-29 Taylor 4146 Plumas Genesee valley quad. T.25n, r.11e, sec.12 (se 1/4). Both sides of 25n42c, 1.4 Mi ne of its jct with 25n42--flournoy grade, ca 4 mi e of genesee. Associates: Sitanion hystrix, ceanothus cordulatus. 1707 Comment
  SEINET8057030  Lupinus obtusilobus M. J. Williams 1966-7-11 s.n. Plumas Near Luther Ridge, above Johnsville. 2286 Comment
  CHSC87620  Lupinus onustus Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10952 Plumas On the east side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1230 Comment
  UC727035  Lupinus onustus A. A. Heller 1941-5-22 16141 Plumas about 2 mi n Quincy (The type came from Indian Valley, in this region); n of Quincy Comment
  SEINET10484150  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-7 Taylor 4787 A Plumas T22N R12E sw/ne sec 9. Johnsville quad. Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca. 1 mi w of Blairsden. 4400 ft. 1341 Comment
  CHSC56852  Lupinus polyphyllus var. burkei L. P. Janeway 1991-8-4 4126 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  CHSC60096  Lupinus polyphyllus var. burkei L. P. Janeway 1990-7-25 3812 Plumas Plumas National Forest. Ca 0.2 mi NW of Emigrant Cr and ca 0.3 mi SE of Little Grizzly Cr. 1828 Comment
  POM23523  Lupinus sellulus var. artulus Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SEINET10490874  Lupinus sellulus var. sellulus Taylor 1982-7-7 Taylor 4787 Plumas Johnsonville quad. Corolla pale blue, fading beige. Along sloat road (509), Ca 1 mi ne of sloat. Dry rocky roadside. With plantago lanceolata, collomia Grandiflora. 1280 Comment
  SEINET6244424  Lupinus stiversii A. A. Heller 1938-1 15131 Plumas Along Feather River near Bucks Creek powerhouse, Transision Life Zone Comment
  RSA739735  Luzula comosa L. P. Janeway 2007-6-3 9008 Plumas Northern High Sierra Nevada, Eastern end of Red Mtn, along the high exposed rocky ridgeline. Weathered reddish serpentine 1929 Comment
  CHSC65143  Luzula comosa var. laxa Vernon H. Oswald; Lowell Ahart 1995-7-24 7122 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  JEPS103523  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  JEPS95338  Luzula parviflora Lowell Ahart 1994-6-17 7346 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  UC1560403  Lysimachia nummularia E. Joyal and D. Mehlman 1988-6-30 1299 Plumas e of Quincy 1200 Comment
  SEINET13709366  Lythrum portula Lowell William Ahart, Lowell William Ahart 2001-1 9284 Plumas Edge of Frenchman Creek, Lake Davis (T24N, R13E, sec 29, NW 1/4) 5780 Ft. 1762 Comment
  CAS-BOT-BC342582  Madia Clare B. Hardham 1985-7-31 30139 Plumas Doyles Crossing, between Antelope Reservoir and Janesville Comment
  CAS-BOT-BC343793  Madia elegans A. A. Heller; P. B. Kennedy 1907-7-13 888 Plumas Taylorville Comment
  CAS-BOT-BC343797  Madia elegans Alice Eastwood 1927-6-12 14699 a Plumas United States Forest Reserve. Forest Lodge near Greenville Comment
  CAS-BOT-BC343796  Madia elegans Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  POM190468  Madia elegans subsp. elegans D. D. Keck 1932-7-3 1620 Plumas North of Spanish Creek. Quincy, northern Sierra Nevada 1067 Comment
  CAS-BOT-BC344470  Madia exigua John Thomas Howell 1962-6-17 37676 Plumas Butterfly Valley 1036 Comment
  CDA8240  Madia exigua L. Ahart, J. Dittes, J Guardino 2004-6-6 11012 Plumas On the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. Comment
  OBI15721  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather river, .5 mi N of Rich Bar 823 Comment
  CAS-BOT-BC342856  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam 1371 Comment
  CAS-BOT-BC342857  Madia glomerata M. S. Taylor 1982-8-31 5080 Plumas Along 27N57, Kettle Pass, just w of Eisenheimer Peak, ca. 7 air mi ne of Taylorsville 2133 Comment
  CAS-BOT-BC342867  Madia glomerata John Thomas Howell 1961-9-23 36840 Plumas Indian Valley 1082 Comment
  CDA15408  Madia glomerata G. F. Hrusa 1996-8-22 13535 Plumas Sierra Valley; at intersection of Antelope Valley Rd. & Hwy 49. Comment
  CHSC36997  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 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
  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
  CAS-BOT-BC342853  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC342863  Madia glomerata Lowell Ahart 1981-7-21 2966 Plumas Sutter Buttes Area. Along Cleghorn Bar Road, about 2 miles west of Pilot Peak 1900 Comment
  HSC89862  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mtns. ca 12 air mi. SSW of Susanville, Snoring Springs 1/2 mi. N of Diamond Mt.-Greenville-Red Rock jct. 1982 Comment
  CDA13858  Madia gracilis G. F. Hrusa, T. D. Wilfred 1996-7-23 13402 Plumas Sierra Nevada; above USFS 23N22. Comment
  RSA71296  Madia gracilis L. S. Rose 1951-6-9 51070 Plumas 9 miles east of Quincy 1220 Comment
  SEINET11601444 Image available Madia gracilis J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54252 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy 1798 Comment
  UC942953  Madia gracilis Lewis S. Rose 1951-6-9 51070 Plumas 9 mi e Quincy 1219 Comment
  UCD134284  Madia gracilis John Thomas Howell; T. C. Fuller, G. D. Barbe 1981-6-22 3082 Plumas Vacant lot east of Lariat Lodge Motel, East Quincy. 1036 Comment
  SD79045  Maianthemum stellatum R. Mitchel Beauchamp 1965-7-17 Plumas Growing in shady area in field subject to flooding by the Feather River, I(c) mile north of Chester. Comment
  CHSC83673  Malacothrix floccifera L. P. Janeway 2001-6-28 7240 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  RSA88563  Malva parviflora J. T. Howell 1951-6-27 27555 Plumas Johnsville. 1585 Comment
  SBBG47390  Marsilea vestita J. T. Howell 1961-9-25 36949 Plumas Feather River bed, Portola 1478 Comment
  CHSC81593  Marsilea vestita subsp. vestita Lowell Ahart 2001-10-8 9320 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC348171  Matricaria discoidea John Thomas Howell 1955-7-19 30801 Plumas Vinton 1505 Comment
  CAS-BOT-BC348172  Matricaria discoidea John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1979 Plumas Butterfly Botanical Area and Vicinity. In valley proper near barn 1036 Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CHSC76800  Medicago lupulina L. P. Janeway 1997-9-29 5365 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. 944 Comment
  RSA59473  Medicago lupulina E. K. Balls 1950-9-16 15878 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, hwy. 89. 1433 Comment
  CAS-BOT-BC269223  Melica aristata John Thomas Howell 1960-7-17 35486 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC269226  Melica aristata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54379 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CDA32502  Melica aristata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3351 Plumas 0.75 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  SEINET10836202  Melica aristata Mary Susan Taylor 1982-7-7 Taylor 4784 Plumas T23N R11E nw/sw sec 26. Johnsville quad. N side of 23N36, just e of its jct with 23N35, s slope of Big Hill, ca. 3 air mi s of Sloat. Mixed Ever- green Forest. 5300 ft. 1615 Comment
  CAS-BOT-BC271100  Melica bulbosa John Thomas Howell; Gordon H. True 1967-7-11 43332 Plumas Summit ridge of Mt. Hough, Sierra Nevada 2194 Comment
  CAS-BOT-BC282076  Melica fugax L. P. Janeway; Jannice Cutler 1992-5-26 4204 Plumas About 0.1 mile SW of Lake Davis high water line, 1 mile S of Dan Blough Cove 1767 Comment
  CAS-BOT-BC282077  Melica fugax L. W. Swift 1933-6-13 84 Plumas Squaw Valley 1767 Comment
  CAS-BOT-BC282104  Melica fugax Lowell Ahart 1983-8-17 4319 Plumas W of Pilot Peak, NE of La Porte, near the Quincy La Porte Road, near Onion Valley 2000 Comment
  CHSC101869  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15905 Plumas About 200 yards west of Lake Almanor Dam, on the north side of the road under the pole line. 1421 Comment
  CHSC46666  Melica fugax Lowell Ahart 1989-7-2 6342 Plumas On the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CHSC63310  Melica fugax Lowell Ahart 1994-6-15 7335 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
  JEPS87748  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  SEINET10599380  Melica fugax Lowell Ahart 1989-7-2 Ahart 6342 Plumas On north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. Red Fir Forest. Normal size plant. Small Onion Grass. Comment
  UC641678  Melica stricta G. L. Stebbins Jr. 1939-7-9 2937 Plumas n side Meadow View Peak 1981 Comment
  CAS-BOT-BC264185  Melica subulata George W. Gillett 1957-7-17 793 Plumas Stream flowing from Little Willow Lake into Willow Lake 1767 Comment
  RSA201301  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  RSA700310  Melica subulata L. 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. 1646 Comment
  UCD88624  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1676 Comment
  CHSC59916  Mentha canadensis L. P. Janeway 1992-7-23 4276 Plumas Plumas National Forest. Gravel bar on north side of Middle Fork Feather River near the mouth of Bonta Creek; behind Mohawk Ranger Station. 1315 Comment
  RSA52949  Mentha canadensis R. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  CHSC65645  Mentzelia albicaulis L. P. Janeway 1995-6-25 4818 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
  SBBG121211  Mentzelia albicaulis L. Ahart, J. Dittes, J. Guardino 2007-6-8 13990 Plumas 50 yards E of a poor dirt rd, ca. 1 mi (air) N of the N end of Lake Davis 1965 Comment
  JEPS113613  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-16 14141 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 1647 Comment
  POM84008  Mentzelia dispersa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC54500  Mentzelia dispersa H. M. Hall and E. B. Babcock July 1903 4418 Plumas Sierra Nevada Mountains, Warner Creek 1463 Comment
  UC726357  Mentzelia laevicaulis var. laevicaulis A. A. Heller 1937-8-25 16171 Plumas near Bucks Creek Power House (along The Feather River) Comment
  UCD128412  Menyanthes trifoliata Albert Grigarick 2012-7-8 326 Plumas Gray Eagle Trail starting at Grass Lake (Elwell Lodge Rd.). W shore of Grass Lake. 1905 Comment
  JEPS28641  Menyanthes trifoliata George W. Gillett 1957-7-18 838 Plumas Lassen Volcanic National Park, n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  CAS-BOT-BC428539  Micranthes aprica John Thomas Howell 1951-6-28 27688 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC428541  Micranthes aprica Alice Eastwood 1927-6-15 14607 Plumas United States Forest Reserve. Long Valley. Comment
  CHSC21582  Micranthes aprica D. E. Brink Jr.; L. M. Mayer 1975-7-23 Plumas Comment
  CAS-BOT-BC429240  Micranthes oregana John Thomas Howell 1960-7-23 35963 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  POM34991  Microseris nutans Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 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
  CDA12053  Mimulus breweri G. F. Hrusa, J. Dinsdale 1989-6-26 7205 Plumas Sierra Nevada; N side of Bucks Lake, approx. 25 m. W of Quincy. Comment
  JEPS28644  Mimulus breweri George W. Gillett 1957-7-19 841 Plumas on trail to Sifford Lakes (slopes across from the Devils Kitchen); Lassen Volcanic National Park 1981 Comment
  LA209360  Mimulus guttatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC726509  Mimulus microphyllus A. A. Heller 1942-6-16 16509 Plumas 1/4 mi w Grizzley Dome Tunnel Comment
  UC1063059  Mimulus moniliformis G. Burks 1933-8-8 21 Plumas 4 mi e and 1 1/4 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC73444  Mimulus moschatus B. Castro; L. Gehrung 1995-8-31 609 B Plumas Mosquito Flats Meadow. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd23N18. Towards S end of meadow. 1676 Comment
  UCD122819  Mimulus moschatus D. Sanchez-Mata; P. Rodrigues-Rojo 1997-8-16 s.n. Plumas Rich Bar-Virgilia. Plumas National Forest. Serpentine Canyon. 800 Comment
  UCD20777  Mimulus moschatus A. M. Shapiro 2002-8-26 s.n. Plumas Plumas County. Feather River Canyon. Caribou Road. 914 Comment
  JEPS34391  Mimulus nanus var. mephiticus Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8867 Plumas n side Feather River Canyon; Rich Bar 762 Comment
  JEPS96020  Mimulus nanus var. mephiticus Vernon H. Oswald and Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Qunicy Hwy.), northern High Sierra Nevada, Yellow Pine Forest. 1127 Comment
  UC1012191  Mimulus nasutus F. W. Pennell and A. A. Heller 1940-6-5 25690 Plumas below Belden (Route 24); Feather River 487 Comment
  RSA232724  Mimulus primuloides Larry E. DeBuhr, Gary D. Wallace 1972-5-21 591 Plumas Plumas National Forest, at pond reservoir in Butterfly Valley about 1 mile southwest of Keddie. 1037 Comment
  CAS-BOT-BC388597  Minuartia douglasii John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2349 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  SD46558  Mitella breweri Robert J. Weatherby 1955-6-26 1562 Plumas Near Lakes Ranger Station, Lakes Basin, at edge of bog 1981 Comment
  SEINET10483080  Mitella breweri Mary Susan Taylor 1982-6-17 Taylor 4698 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  CHSC61739  Monardella follettii L. P. Janeway; Linnea Hanson, Perrie Cobb. 1993-7-19 4461 Plumas Plumas National Forest. Southwest side of the top of Red Hill. 1874 Comment
  CHSC61743  Monardella follettii L. P. Janeway 1993-7-15 4457 Plumas Plumas National Forest. Along Rd 25N17 4.2 mi northwest of Spanish Ranch Road (in Meadow Valley) and 0.2 mi after it crosses Bean Creek. 1402 Comment
  CHSC67670  Monardella follettii James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2554 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  SEINET10582337  Monardella follettii A. Graff 1993-7-23 Graff 337 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
  JEPS103350  Monardella odoratissima subsp. glauca Lowell Ahart 2002-7-18 9857 Plumas Basalt ridge, ca 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, ca 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  UC1124582  Monardella odoratissima subsp. glauca R. Roseberry 1934-11-7 11 Plumas 2 mi north of Penman Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CHSC52035  Monardella odoratissima subsp. pallida L. P. Janeway 1989-7-13 3490 Plumas Plumas National Forest. Slopes on NE flank of Crocker Mtn, above Red Clover Valley. 1.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1798 Comment
  RSA0039302  Monardella odoratissima subsp. pallida Lowell Ahart 2008-8-13 15175 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  SEINET10582102  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 293 Plumas Plumas National Forest. On Hwy. 70 west, less than .5 miles southeast of Greenhorn Ranch Rd. (just past Graff collections 285-290), at the end of a bridge before a rest area, on south side of the road. T24N,R10E,S26. Comment
  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
  CHSC52050  Monardella sheltonii L. P. Janeway 1989-6-9 3285 Plumas Cyn of E Br N Fk Feather River; s'ly facing roadcut along hwy 70 6.4 mi E of river mouth and Caribou Rd. 853 Comment
  HSC95498  Monardella sheltonii L. P. Janeway 1993-7-28 4476 Plumas Top of ridge SW of confluence of N and S Branches of Ward Creek, along access rd. 2.4 mi. SE of Genesee Valley 1402 Comment
  SEINET10582345  Monardella sheltonii A. Graff 1993-7-22 Graff 303 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. 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
  UCSC008314  Monardella stebbinsii Brett Smith 2011-7-27 BAS 009 Plumas Directly off Hwy 70 in Ravine from which unnamed stream flows, very small pull-out on river bank across Hwy. 42m N of Feather River. 823 Comment
  PASA1146  Monardella villosa Margaret Stason 1932-6-22 Plumas Roadside, Lake Almanor Comment
  JEPS62428  Monardella villosa subsp. villosa W. I. Follett 1937-8-2 105 Plumas North side Rich Gulch 1173 Comment
  SEINET10582231  Monardella villosa subsp. villosa A. Graff 1993-7-22 Graff 323 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
  CAS-BOT-BC444745  Montia chamissoi Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1880 Plumas Butterfly Botanical Area and Vicinity 1036 Comment
  JEPS115806  Montia fontana subsp. chondrosperma Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15902 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  CHSC91695  Montia linearis G. D. Barbe; T. C. Fuller 1982-6-17 3847 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  CAS-BOT-BC445085  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1485 Comment
  CAS-BOT-BC445191  Montia parvifolia Lewis S. Rose 1963-6-2 63077 Plumas Rock Creek. North Fork of Feather River 640 Comment
  CAS-BOT-BC445192  Montia parvifolia Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River Region Comment
  CAS-BOT-BC260650  Muhlenbergia filiformis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1413 Plumas Butterfly Botanical Area and Vicinity. SW of Pond Reservoir 1097 Comment
  CAS-BOT-BC267016  Muhlenbergia filiformis Roxana S. Ferris; Laura Lorraine 1941-8-9 10441 Plumas About 2.5 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester Comment
  CHSC74169  Muhlenbergia filiformis B. Castro; L. Gehrung 1996-8-8 711 Plumas Ca 3 air mi S of Bucks Lake, 100 ft E of USFS Rd 23N18, ca 0.5 mi S of the serpentine outcrop at jcn of Rds 23N18, 15, and 69. In meadow at northern branch of headwaters of East Branch Coldwater Creek. 1767 Comment
  JEPS76229  Muhlenbergia filiformis W. L. Jepson 1939-8-12 19391 Plumas dry bed of streamlet Ferris Creek (branch of Last Chance Creek) 1767 Comment
  SEINET10599816  Muhlenbergia filiformis Elmer D. Merrill 1929-7-13 Merrill s.n. Plumas Silver Lake. 1829 Comment
  CAS-BOT-BC275032  Muhlenbergia richardsonis L. W. Swift 1934-7-13 98 Plumas Murdock Crossing, Plumas Forest 1737 Comment
  CAS-BOT-BC275038  Muhlenbergia richardsonis Lewis S. Rose 1955-7-20 55161 Plumas Mohawk 1371 Comment
  CHSC55675  Myosotis discolor K. R. Stern 1985-6-25 8278 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS113643  Myosotis discolor Lowell Ahart, John Dittes 2007-6-16 14108 Plumas On damp gravelly soil, 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
  CHSC55676  Myosotis laxa K. R. Stern 1985-6-25 8191 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS110466  Myosotis laxa Lowell Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  CAS-BOT-BC392268  Myosurus apetalus John Thomas Howell 1962-6-19 37865 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  UC1101355  Myosurus apetalus Herbert L. Mason 1953-6-16 14555 Plumas meadow at head of Clover Valley; Dixie Mountains Comment
  UC1101356  Myosurus apetalus var. montanus Herbert L. Mason 1953-6-16 14554 Plumas 2 mi e Beckwourth Comment
  CDA37311  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Lake Davis, Eagle Point. 0 Comment
  CHSC34896  Myriophyllum sibiricum M. S. Taylor 1981-9-2 4265 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  UC168091  Myriophyllum sibiricum Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  SD9589  Myriopteris gracillima Mrs. R. M. Austin Nov 1877 Plumas Quincy Comment
  JEPS1812  Nama aretioides var. multiflora L. S. Smith 1927-6-6 2042 Plumas road to Constantia , road to Constantia (East Soda Mts.) 1524 Comment
  CHSC21033  Nama lobbii F. T. Griggs; A. Pass 1975-7-3 71 Plumas Buck's Lake. North of Grizzly Forebay. Comment
  UC306154  Narthecium californicum Mrs. R. M. Austin Oct. 1881 Plumas Mt. Dyer, Big Meadows Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC98316  Navarretia capillaris B. Castro; L. P. Janeway 2005-7-10 1498 Plumas Northern High Sierra Nevada. Nr Lassen Co line. Crest of the Diamond Mtns, overlooking NW end of Honey Lake, at N end of Stony Ridge. At N end of jeep road ca 0.6 mi from its jcn with sharp bend in Rd 27N12, on open flat basalt pebble-field around headwaters of Stony Creek. Off edge of sparse Jeffrey pine/juniper woodland. 1990 Comment
  JEPS70292  Navarretia divaricata W. I. Follett 1937-7-27 103 Plumas Rich Gulch Comment
  CHSC53161  Navarretia divaricata subsp. divaricata L. P. Janeway 1989-6-9 3278 Plumas Plumas National Forest. Forest along southwest side of Red Clover Valley. 1691 Comment
  CHSC54410  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1991-7-8 4701 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. Creek bank. 1676 Comment
  CHSC26156  Navarretia leptalea Detzer; Sacks 1977-7-28 33 Plumas Roadbank. 1853 Comment
  UC726817  Navarretia leptalea subsp. leptalea A. A. Heller 1941-7-29 16269 Plumas Highway #36, 7 mi w Chester; w of Chester Comment
  CAS-BOT-BC230394  Navarretia leucocephala subsp. minima John Thomas Howell 1961-9-24 36921 Plumas Feather River bed SW of Beckwourth 1487 Comment
  CHSC80242  Navarretia leucocephala subsp. minima L. P. Janeway 1996-6-5 5003 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 1488 Comment
  RSA605581  Navarretia sinistra Alva Day, Orbelia Robinson 1982-7-15 82 -85 Plumas Plumas National Forest, Lake Davis, 0.2 mi. west of Coot Bay on north side of lake. Comment
  SEINET10464823  Nemacladus capillaris A. Arthur Heller 1913-6-13 Heller 10841 Plumas Near Marston Station 1067 Comment
  RSA0018529  Nemacladus interior Joan Stewart 2000-06 1030 Plumas Plumas National Forest Comment
  SEINET10461208  Nemacladus interior Rimo Bacigalupi 1957-6-29 Bacigalupi 6014 Plumas Just east of the mouth of Rock Creek, Feather River Canyon, along U.S. Highway 40 533 Comment
  CAS-BOT-BC230554  Nemophila parviflora var. austiniae J. T. Howell; et al. 1967-6-12 2076 Plumas Butterfly Botanical Area and Vicinity. Near spring 1127 Comment
  RSA189428  Nemophila pedunculata L. S. Rose 1967-5-7 67062 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  UC606961  Nemophila spatulata L. Constance 1938-6-10 2319 Plumas near Lake Almanor (Feather River at Chester); , near Lake Almanor 1219 Comment
  SEINET242414  Oenothera claviformis var. purpurascens June McCaskill 465 Plumas Lake Almanor region Comment
  UC1738843  Orcuttia tenuis Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13218 Plumas Highway 89 about 1 mile N of junction with Humbug-Humboldt Road, Lake Almanor region 1402 Comment
  CAS-BOT-BC355571  Oreostemma alpigenum var. andersonii Anna Head 1921-8-6 s.n. Plumas Near outlet of Bear Lake, Feather River Region 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-BC327726  Oreostemma elatum Walter Knight; Irja Knight 1966-9-12 1730 Plumas Butterfly Botanical Area and Vicinity. Pond reservoir. 1097 Comment
  CAS-BOT-BC327727  Oreostemma elatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1684 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow 1127 Comment
  SD6605  Orobanche californica subsp. grayana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC80846  Orobanche californica subsp. jepsonii Lowell Ahart 2001-7-17 8926 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS106027 Image available Orobanche fasciculata Lowell Ahart, Josephine Guardino 2004-5-24 10948 Plumas About 100 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 1186 Comment
  HSC101682  Orobanche uniflora Dillon North Davis 2013-5-28 9 Plumas 4.1 miles south on FS Road 25N17 from intersection with Highway 70, ~ 400 m northwest of hairpin turn. 1520 Comment
  CAS-BOT-BC458063  Orthilia secunda Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  RSA52846  Orthocarpus hispidus R. Weatherby 1950-7-7 1462 Plumas Edge of Snake Lake, Quincy. 1220 Comment
  PASA155  Orthocarpus lacerus Margaret Stason 1932-6-22 Plumas Lake Almanor camp ground Comment
  POM180985  Orthocarpus luteus A. A. Heller, P. B. Kennedy 1907-7-19 8884 Plumas Vinton. Comment
  CHSC101930  Osmorhiza chilensis Lowell Ahart; John Dittes 2009-7-14 16062 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
  NY243409  Paeonia brownii Mrs. Ames 1876-1 s.n. Plumas Comment
  UCD150435  Paeonia brownii T. Stone 1966-4-21 s.n. Plumas Mountain Meadows. Comment
  UC1101578  Panicum acuminatum var. acuminatum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1436 Plumas Butterfly Valley Comment
  HSC10486  Panicum acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie. 1067 Comment
  UCD89958  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC253738  Panicum capillare John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC92166  Panicum capillare Lowell Ahart; John Dittes 2005-9-19 12393 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  RSA201357  Panicum capillare J. T. Howell 1960-7-20 35761 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  UC1101585  Panicum capillare Malcolm A. Nobs, S. Galen Smith 1949-8-19 1412 Plumas about 2 mi s Greenville; Indian Valley Comment
  SD87885  Panicum thermale Frank W. Pierson 1926-6-22 6809 Plumas Drakesbad, Lassen National Park, on shores of Boiling Lake Comment
  CDA13991  Parnassia californica G. F. Hrusa 1996-8-2 13431 A Plumas Sierra Nevada; at SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. trib. of Squirrel Creek. Comment
  RSA467333  Parnassia palustris var. californica Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  RSA59337  Parnassia palustris var. californica E. K. Balls 1950-9-10 15778 Plumas Trail from Lakes Center Public Camp to Long Lake outlet, 2 miles from camp. Southern Plumas County. 2012 Comment
  HSC92451  Pedicularis attollens L. Ahart 1982-7-30 3738 Plumas 2 mi. N of Hardquartz Mine, 5 mi. S of Bucks Lake 1585 Comment
  POM183422  Pedicularis aurantiaca L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  UC1795032  Pellaea bridgesii Ruth Kirkpatrick 2001-7-18 1071 Plumas Eureka Peak 2011 Comment
  CAS-BOT-BC67575  Pellaea mucronata var. californica John Thomas Howell 1967-6-22 42660 Plumas Sierra Nevada - Canyon of the Feather River North Fork, granite near mouth of Chambers Creek. 609 Comment
  JEPS26681  Penstemon deustus P. C. Hutchison 1961-6-9 2113 Plumas 2 mi s (below) Rich Bar (along US Alt. 40, at bridge; cliff above road, North Fork Feather River); canyon of the North Fork of the Feather River Comment
  POM319333  Penstemon deustus Patricia Wilder 1971-6-22 5157 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  RSA59311  Penstemon deustus E. K. Balls 1950-9-14 15795 Plumas Hwy 89, along Indian Creek, 1.5 mi from jct with Hwy 24. 915 Comment
  UC886966  Penstemon deustus var. deustus Anna Head 1920-6-15 Plumas among rocks at Lake Center Camp , at Lake Center Camp (Feather River Region) 1920 Comment
  NY609848  Penstemon deustus var. suffrutescens J. P. Kroessig 1977-5-24 29 Plumas Along north margin of Alt 40, ca. 32 km south-southeast of Greenville. Almanor quadrangle, 15' 805 Comment
  HSC97084  Penstemon gracilentus L. Ahart, John Dittes 2005-9-20 12449 Plumas S side of FS Rd. 27N34, 1 mi. NE of Eisenheimer Peak, 0.75 mi. S of Wilcox Valley 2050 Comment
  SEINET10547990  Penstemon gracilentus Mary Susan Taylor 1981-7-17 Taylor 4044 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, just S of its jct with Long Lakes trail, ca. 6 air mi S of Mohawk. Dry & open, Montane Chaparral; 6500 ft elev. 1981 Comment
  UC586842  Penstemon gracilentus Joseph Andorfer Ewan 1934-6-26 8195 Plumas Gold Lake Road near Sierra Co. line; Sierra Nevada 1828 Comment
  JEPS85846  Penstemon janishiae Barbara Ertter with Gary Schoolcraft 1989-7-3 8667 Plumas ca. 7 air mi s Susanville (bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  UC1585968  Penstemon laetus Barbara Ertter with Gary Schoolcraft 1989-7-3 8656 Plumas ca. 8 air mi s Susanville (ridge between Red Rock and Diamond Mt.); ridge btw Red Rock and Diamond Mt., s of Susanville 2225 Comment
  CHSC21657  Penstemon neotericus D. Brink; L. Mayer 1975-7-19 Plumas Rd. to Spanish Peak. Buck's Lake Forest Service Survey. Comment
  POM44795  Penstemon neotericus Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET8512848 Image available Penstemon neotericus Noel H. Holmgren, Patricia K. Holmgren, Don Lepley, Elizabeth Corbin, Ray Corbin, Mike Dolan 2015-1 16605 Plumas Sierra Nevada, North Fork Feather River Drainage, at the turnoff to Buzzard Spring, about 16 km (10mi) air distance west-northwest of Chester (from where Feather River Drive intersects with State Route 36) 1571 Comment
  NY627282  Penstemon neotericus W. W. Eggleston 08 1911 7619 Plumas Prattville 1300 Comment
  UC501398  Penstemon neotericus David D. Keck 1932-7-6 1713 Plumas on road to Prattville 8 mi n Greenville; Sierra Nevada, n of Greenville 1463 Comment
  CHSC43476  Penstemon newberryi Lowell Ahart 1968-6-29 21 Plumas Near Slate Creek, about 2 miles west of Grass Flat, about 2 miles north-east of La Porte. 1066 Comment
  POM255945  Penstemon newberryi subsp. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit, Sierra Nevada. Comment
  UCD67959  Penstemon newberryi var. berryi Stephen Brown 1974-5-4 135 Plumas Feather River Canyon, 1 mile up Rock Creek. Yellow Pine Forest. Gravel soil on granite parent material. Xeric area with afternoon sunlight. Perennial shrub, 3 dm high. Locally abundant. 609 Comment
  CAS-BOT-BC245640  Penstemon personatus Lowell Ahart 1980-7-27 2488 Plumas 5 miles east of Bucks Lake, Sierra Nevada 1500 Comment
  RSA663916  Penstemon personatus David M. Thompson 1988-7-23 973 Plumas 3.1 miles N of Bucks Lake Road (and Meadow Valley) on Schneider Creek road; at jct. of Schneider Creek Road (USFS road 23N16) and USFS road 24N47X (to Big Creek). 1585 Comment
  JEPS103360  Penstemon roezlii Lowell Ahart 2002-6-26 9775 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  SEINET4207728  Penstemon roezlii Mikel R. Stevens 2011-8-27 217 Plumas 8 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.1 rd miles beyond Fingeboard Rd. Ca 8 air miles S of East Quincy.; 0 1930 Comment
  CAS-BOT-BC239589  Penstemon rydbergii var. oreocharis Anna Head 1920-8-1 s.n. Plumas On trail to Long Lake, Feather River Region 2072 Comment
  CAS-BOT-BC239606  Penstemon rydbergii var. oreocharis E. K. Balls 1950-9-16 15883 Plumas Near fish hatchery, just n. of Plumas-Sierra co. line, Hwy 89 1432 Comment
  CAS-BOT-BC239607  Penstemon rydbergii var. oreocharis John Thomas Howell 1962-6-18 37736 Plumas Sierra Valley near Beckwourth 1487 Comment
  NY651266  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25817 Plumas Along Feather River, west of Beckwourth 1493.5 Comment
  CAS-BOT-BC239603  Penstemon rydbergii var. oreocharis David D. Keck 1928-6-14 439 Plumas Gray Eagle Valley (5 miles s. of Blairsden) 1750 Comment
  JEPS15337  Penstemon speciosus F. W. Embree 1934-6-6 81 Plumas ne dam Bucks Lake (Plumas National Forest); , Bidwell Bar Quad. Comment
  SEINET10964440  Penstemon speciosus Mary Susan Taylor 1981-5-10 Taylor 3668 Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  CHSC34859  Perideridia bolanderi M. S. Taylor; M. Foster 1981-6-8 3865 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  UCR123522  Perideridia gairdneri subsp. borealis George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6868 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  UC1123115  Perideridia lemmonii G. T. Nordstrom 1934-7-16 226 Plumas 3/4 mi ssw Bucks Ranch (Plot # 112); Plumas National Forest, Bidwell Bar Quadrangle Comment
  RSA59673  Perideridia lemmonii E. K. Balls 1950-9-9 15741 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC70218  Perideridia parishii subsp. latifolia B. Castro; R. Fallsheer 1989-8-7 354 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.4 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1752 Comment
  RSA0045594  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. 1593 Comment
  UCD127866  Perideridia parishii subsp. latifolia John Thomas Howell 1960-7-20 35720 Plumas Lassen Volcanic National Park. Drakesbad. 1676 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
  CHSC117785  Persicaria amphibia B. Castro; Jim Wilcox and other members of Plumas CRM 2007-6-26 1654 Plumas Northern High Sierra Nevada. Plumas National Forest. Ferris Flat, on Ferris Creek flood plain ca 0.25 mi SW with Last Chance Creek. Ca 7 air mi SE of Milford, 5 mi SW of Hwy 395 and 12 mi NW of Doyle. 1761 Comment
  SD7877  Persicaria amphibia Mrs. R. M. Austin 1881-1 Plumas Big Meadows Comment
  CAS-BOT-BC413565  Persicaria amphibia Malcom A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas On southeastern side of Portola Comment
  JEPS122242  Persicaria lapathifolia Lowell Ahart 2014-9-9 19841 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  UC1481983  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas 3.5 km (2.2 mi) w Belden Power House, Belden (10 m W of CA 70, on side of dirt road by Murphy Creek, Belden, Plumas National Forest); Plumas National Forest, by Murphy Creek Comment
  UC1208875  Phacelia hastata E. Sawyer 1935-6-17 120 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 1798 Comment
  CDA12151  Phacelia hastata subsp. hastata G. F. Hrusa, J. Dinsdale 1989-6-27 7221 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  CHSC91731  Phacelia hastata subsp. hastata G. D. Barbe; T. C. Fuller 1982-6-17 3839 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  JEPS120555  Phacelia humilis B. Castro and L. P. Janeway 2006-6-4 1537 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 3000 ft N of jcn of McReyolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). Comment
  UC131530  Phacelia humilis Mrs. R. M. Austin Plumas Big Meadows Comment
  UC1537538  Phacelia humilis Gordon H. True 1938-5-24 965 Plumas Rowland's Cabin Dixie Valley 1798 Comment
  CHSC102437  Phacelia humilis var. humilis L. P. Janeway; B. Castro 2009-6-7 9801 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 180 m southwest of Thompson Valley Creek. 1672 Comment
  CHSC97140  Phacelia humilis var. humilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14005 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
  RSA59115  Phacelia humilis var. humilis E. K. Balls 1950-8-31 15519 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC112609  Phacelia imbricata subsp. imbricata Lowell Ahart 2013-9-11 19033 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC36309  Phacelia linearis M. S. Taylor 1982-5-19 4482 Plumas On ridge, ca. 1.5 mi e of Portola. 1706 Comment
  JEPS26571  Phacelia linearis Lauramay T. Dempster 1961-6-16 1464 Plumas ridge n Red Rock (n of Engelmine) Comment
  RSA39781  Phacelia linearis P. A. Munz 1947-5-16 11819 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC92181  Phacelia mutabilis Lowell Ahart; John Dittes 2005-9-19 12407 Plumas Along the sides of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  UCSB19702  Phacelia mutabilis Myrick, Donald 1964-7-21 Plumas Near Trail Parking area, Drakesbad, Lassen Volcanic National Park 1737 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  CHSC46638  Phacelia racemosa Lowell Ahart 1989-7-2 6350 Plumas In small openings, north of here the dirt road forks, the south fork leads to the Lookout to Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  RSA201363  Phacelia racemosa J. T. Howell 1960-7-20 35736 Plumas Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CAS-BOT-BC265830  Phalaris arundinacea John Thomas Howell; Gordon H. True 1967-7-9 43243 Plumas North Fork of Feather River at Belden, Sierra Nevada 685 Comment
  CHSC60175  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  JEPS49593  Philadelphus lewisii W. L. Jepson 1924-7-23 10628 Plumas Rich Point Middle Fork Feather Tiver 914 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CAS-BOT-BC260853  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor 1828 Comment
  CAS-BOT-BC260856  Phleum pratense Walter Knight; Irja Knight 1966-6-18 1377 Plumas Butterfly Valley 1127 Comment
  CAS-BOT-BC260857  Phleum pratense Lowell Ahart 1977-8-8 1525 Plumas 4 mi. west of Pilot Pk. 1800 Comment
  SEINET10657589  Phleum pratense Alan A. Beetle 1941-6-28 Beetle 2777 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Danthonia Deschampsia Sanicula tuberosa. 1829 Comment
  JEPS95401  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas 1 1/4 air miles S of Bucks Lake (near Cedar Flat, W side of Faggs Mine Road, SW of a small branch of Willow Creek) 1706 Comment
  UC1124206  Phlox gracilis E. Sawyer 1935-6-27 185 Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Sierraville Quad. 1767 Comment
  POM147144  Phlox speciosa subsp. occidentalis Alice Eastwood 1927-06 14518 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  SD257348  Phlox speciosa subsp. occidentalis James R. Shevock 1795 Plumas Hwy 89, Cresant Mills 914 Comment
  CAS-BOT-BC60679  Phoenicaulis cheiranthoides Clare B. Hardham 1961-6-16 7483 Plumas Diamond Peak. 2286 Comment
  CAS-BOT-BC58837  Phyllodoce breweri Wayne Roderick 1967-8-5 s.n. Plumas Plumas-Sierra County line - e. end of Luther Ridge 2133 Comment
  CHSC33870  Pinus contorta subsp. murrayana M. S. Taylor 1981-5-10 3672 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USDS Work Center, between rd and lake, ca. 20 mi ne of Taylorsville. 1536 Comment
  JEPS115213  Pinus contorta subsp. murrayana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam 1606 Comment
  RSA795725  Pinus contorta var. murrayana L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC78693  Pinus jeffreyi Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC73080  Pinus lambertiana Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  UC924255  Piperia elongata H. S. Reed Plumas Forest Lodge 1036 Comment
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Dec 7 2014
  CDA13579  Piperia transversa G. F. Hrusa, T. D. Wilfred 1997-6-26 13885 A Plumas Sierra Nevada; Plumas National Forest: W side of Little Long Valley Creek approx. 1/4 m. W of Creek. N of Hwy 70 about 15 m. E of Quincy. Comment
  CDA14706  Piperia unalascensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3210 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CHSC23681  Plagiobothrys cognatus K. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  CHSC103134  Plagiobothrys cusickii Lowell Ahart; John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC40765  Plagiobothrys cusickii Lowell Ahart 1985-7-3 5102 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-west of La Porte. 1584 Comment
  CHSC40766  Plagiobothrys cusickii Lowell Ahart 1985-7-11 5141 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
  JEPS113444  Plagiobothrys cusickii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14033 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS125924  Plagiobothrys cusickii D. W. Taylor 2001-6-20 17799 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  CAS-BOT-BC230981  Plagiobothrys hispidulus Walter Knight; et al. 1967-6-12 2003 Plumas The Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CAS-BOT-BC230988  Plagiobothrys hispidulus Anna Head 1921-7-11 s.n. Plumas Feather River Region. Near Gold Lake Comment
  CHSC21601  Plagiobothrys hispidulus L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Comment
  SEINET10497119  Plagiobothrys scouleri Lowell Ahart 1985-7-3 Ahart 5102 Plumas About 4 1/4 miles north-east of La Porte. Comment
  RSA726352  Plagiobothrys scouleri var. hispidulus L. Ahart, John Dittes 2007-6-16 14092 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  POM147053  Plagiobothrys torreyi Alice Eastwood 1927-06 s.n. Plumas On road from Chilcott, United States Forest Reserve Comment
  CHSC60527  Plagiobothrys torreyi var. diffusus L. P. Janeway 1992-5-6 4159 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
  CHSC69516  Plantago major Lowell Ahart 1997-9-11 7897 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  CHSC81806  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 southwest of Greenville. 1365 Comment
  SEINET9171248  Plantago major W. Harnach, N. Harnach 1990-6-27 423 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and railroad tracks. 1487 Comment
  SEINET12076968  Platanthera dilatata var. leucostachys W. Knight, Knight, I. 1983-1 Plumas Comment
  CHSC21165  Platanthera leucostachys M. S. Taylor 1975-7-15 293 Plumas In Butterfly Botanical Area, ca. 10 mi nw of Quincy, on Hwy 70. 1219 Comment
  CHSC21663  Platanthera leucostachys D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  RSA101429  Platanthera leucostachys R. Weatherby 1955-8-6 1676 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  CHSC110761  Platanthera yosemitensis Dean Wm. Taylor 2011-8-1 21136 Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie). 1173 Comment
  CHSC37026  Plectritis brachystemon M. S. Taylor 1982-5-4 4403 Plumas N side of Bucks Lake Rd, at its jct with Spanish Ranch Rd (25n17), ca. 1/2 mi ne of Meadow Valley. 1127 Comment
  CHSC60499  Plectritis ciliosa subsp. insignis L. P. Janeway 1992-5-22 4200 Plumas Plumas National Forest, Beckwourth Ranger District. Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1493 Comment
  UC1137078  Poa August L. Hormay 1932-6-11 Plumas near RR plots Long Canyon; Plumas Nat'l Forest Comment
  CAS-BOT-BC254610  Poa X limosa John Thomas Howell 1967-6-23 42672 Plumas Canyon of Butterfly Creek 975 Comment
  CAS-BOT-BC254768  Poa bolanderi George W. Gillett 1957-8-9 1015 Plumas Lassen Volcanic National Park. Cliff Lake Trail, 100 yards above Highway, near Summit Lake Ranger Station 2042 Comment
  RSA795726  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas East side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC254968  Poa bulbosa Walter Knight; Irja Knight 1967-5-22 1905 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CDA18668  Poa bulbosa G. D. Barbe, T. C. Fuller 1982-6-15 3736 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC97605  Poa bulbosa Lowell Ahart; John Dittes 2007-6-16 14115 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC255092  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  CAS-BOT-BC255098  Poa compressa John Thomas Howell 1961-6-21 36673 Plumas Greenville 1097 Comment
  JEPS113783  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14052 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  RSA726377  Poa cusickii subsp. cusickii L. Ahart, Josephine Guardino 2007-7-20 14317 Plumas Northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1790 Comment
  UC1132602  Poa cusickii subsp. cusickii E. Sawyer 1935-5-22 26 Plumas 1 1/4 mi ene Beckwith Butte; Sierraville Quadrangle Comment
  CAS-BOT-BC246853  Poa nemoralis John Thomas Howell 1977-6-21 52386 Plumas Seneca 1097 Comment
  CAS-BOT-BC247274  Poa palustris John Thomas Howell 1961-9-25 36944 Plumas Feather River bed, Portola 1478 Comment
  CHSC112381  Poa palustris L. P. Janeway 2014-7-15 11518 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
  CHSC92138  Poa palustris Lowell Ahart; John Dittes 2005-9-19 12371 Plumas On the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  UCD91820  Poa pratensis A. A. Beetle 1941-6-28 2768 Plumas west side of Lake Almanor. 1828 Comment
  JEPS115901  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16105 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
  SEINET10822312  Poa scabrella A. Arthur Heller 1907-7-3 Heller 8711 Plumas Hills above Red Clover Valley. Comment
  UCD90451  Poa secunda R. Tofsrud 1949-6-1 s.n. Plumas Humphry ranch, road from Beckworth to Milford. 1828 Comment
  CAS-BOT-BC236279  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  CAS-BOT-BC247079  Poa secunda subsp. juncifolia John Thomas Howell 1962-6-18 37757 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC115700  Poa secunda subsp. juncifolia B. Castro; L. P. Janeway 2008-6-7 1737 A Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  CAS-BOT-BC242981  Poa secunda subsp. secunda Lewis S. Rose 1954-5-30 54078 Plumas Beckwourth 1524 Comment
  CAS-BOT-BC242982  Poa secunda subsp. secunda Lewis S. Rose 1954-5-30 54077 Plumas Beckwourth 1524 Comment
  CHSC101859  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area. 1421 Comment
  JEPS115948  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  JEPS115950  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  UC1132757  Poa secunda subsp. secunda E. Sawyer 1935-6-27 187 Plumas 1.6 mi ene Grizzly Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  SEINET7294077 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 8751 Plumas Red Clover valley Comment
  CAS-BOT-BC244141  Poa sierrae John Thomas Howell 1967-6-23 42740 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC244142  Poa sierrae John Thomas Howell 1967-6-22 42650 Plumas Canyon of the Feather River N Fork, near mouth of Granite Creek 609 Comment
  SEINET13759074  Polemonium micranthum W. Harnach, N. Harnach 2000-5-21 889 Plumas Sierra Valley, Ramelli Ranch 1489 Comment
  CHSC109727  Polemonium occidentale subsp. occidentale B. Castro 2005-10-20 1530 Plumas High Sierra Nevada. Lake Davis/Grizzly Dam, ca 5 air mi N of Portola. On NNE-facing slope overlooking Big Grizzly Creek, ca 1000 ft downstream (SE) of dam and E of the main Lake Davis Rd (USFS Rd 24N07). 1734 Comment
  CAS-BOT-BC167539  Polygala cornuta var. cornuta John Thomas Howell 1966-7-26 42003 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  JEPS83026  Polygonum amphibium var. emersum M. S. Taylor 1982-8-10 4956 Plumas Lake Almanor Almanor NE quad (s end, ca 1 mi w of Canyon Dam) 1371 Comment
  JEPS104605  Polygonum arenastrum Lowell Ahart 2003-8-8 10486 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS107704  Polygonum arenastrum Lowell Ahart, John Dittes 2005-9-19 12410 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1986 Comment
  SD46511  Polygonum aviculare Robert J. Weatherby 1950-7-21 1468 Plumas Railroad tracks east Quincy 1036 Comment
  CHSC113873  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 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
  JEPS122302  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 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
  JEPS87770  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  CAS-BOT-BC414558  Polygonum douglasii Lowell Ahart 1985-9-26 5177 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte 1584 Comment
  CAS-BOT-BC414561  Polygonum douglasii A. A. Heller; P. B. Kennedy 1907-7-5 8744 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC414562  Polygonum douglasii A. A. Heller; P. B. Kennedy 1907-7-5 8744 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC414552  Polygonum douglasii John Thomas Howell 1974-9-20 50889 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CHSC65381  Polygonum douglasii subsp. douglasii Lowell Ahart 1995-9-13 7624 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS113665  Polygonum douglasii subsp. spergulariiforme Lowell Ahart, Josephine Guardino 2007-7-20 14315 Plumas Along a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CHSC45378  Polygonum douglasii var. douglasii Vernon Oswald 1986-7-2 2182 Plumas Humboldt Rd. between Humboldt Summit and Ruffa Ranch, 0.3 mi ne of road to Eagle Rocks. 1731 Comment
  NY412746  Polygonum minimum R. M. Austin 07 1877 s.n. Plumas Spanish Peak Comment
  UC1136143  Polygonum phytolaccifolium Beryl O. Schreiber 1938-7-10 2530 Plumas 1/4 mi s U.C. Forestry Camp (nr Mdw. Valley); Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC97193  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13995 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
  JEPS115797  Polygonum polygaloides subsp. kelloggii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15896 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area 1421 Comment
  CAS-BOT-BC420043  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1976-6-7 4603 Plumas Central area of summit ridge, secondary road betw. Rte. 70 and La Porte 1950 Comment
  CAS-BOT-BC420046  Polygonum polygaloides subsp. kelloggii A. A. Heller; P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC420047  Polygonum polygaloides subsp. kelloggii Catherine Best 1980-6-13 s.n. Plumas One mile north of Plumas Co. and Sierra Co. line on Hwy. A23 Comment
  CDA18754  Polygonum sawatchense subsp. oblivium G. D. Barbe, T. C Fuller 1982-7-16 3762 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
  CHSC32021  Polygonum shastense L. Ahart 1974-10-1 649 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  SJSU14707  Polygonum spergulariiforme N. A. Hopkins 1991-7-3 1695 Plumas by rd to Janesville just N of Red Clover Valley 1524 Comment
  SEINET10507591  Polypogon monspeliensis Mary Susan Taylor 1982-8-27 Taylor 5072 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  JEPS104151  Polystichum imbricans subsp. imbricans Lowell Ahart 2003-10-17 10645 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  JEPS122338  Polystichum imbricans subsp. imbricans Lowell Ahart 2014-11-16 19907 Plumas About 100 yards northeast of the paved road, about 100 yards west of Little Grass Valley Reservoir, about 60 yards south of the small stream, about 250 yards southwest of the Black Rock, about 4 1/2 miles northwest of La Porte. Comment
  HSC66100  Polystichum lemmonii M. S. Taylor, Tom Griggs, W. Dakon 1980-9-27 3348 Plumas 0.25 mi. S of Bucks Lake-Spanish Ranch Rd., 0.25 mi. E of Frenchman Hill, 20 mi. SW of Quincy 1646 Comment
  JEPS104161  Polystichum scopulinum Lowell Ahart 2003-10-17 10647 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  UC185196  Polystichum scopulinum Mrs. Carlotta C. Hall 1912-7-19 9367 Plumas near Nelson Point Schoolhouse (Middle Fork Feather River) 1219 Comment
  CAS-BOT-BC102756  Populus tremuloides M. S. Taylor 1981-7-27 4124 Plumas Grizzly Valley quad. Along spring crossing Beckwourth-Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of 1737 Comment
  CAS-BOT-BC102757  Populus tremuloides Alice Eastwood 1927-6-27 14894 Plumas United States Forest Reserve, on road from [Chilcott] Chilcoot Comment
  CHSC21802  Populus tremuloides F. T. Griggs; A. Pass 1975-8-1 414 Plumas Bucks Lake Forest Service Survey. Comment
  UC1351053  Populus tremuloides E. Fritz 1936-6-20 8226 Plumas Comment
  CAS-BOT-BC267123  Potamogeton Robert J. Weatherby 1950-7-28 1504 Plumas Near Indian Creek, 2 miles S of Crescent Mills 1036 Comment
  CHSC102968  Potamogeton crispus Lowell Ahart; John Dittes 2009-9-7 16392 Plumas In 3-4 feet of water, Lake Almanor, about 1000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC267200  Potamogeton foliosus Robert J. Weatherby 1950-7-28 1492 Plumas In several spots in lake on shallow bottom, Snake Lake, near Quincy 1219 Comment
  CHSC44264  Potamogeton natans Vernon Oswald 1988-7-19 3597 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the east end of the lake. 1676 Comment
  JEPS107727  Potamogeton natans Lowell Ahart, John Dittes 2005-9-20 12431 Plumas In Mud lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CAS-BOT-BC453786  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC453787  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC454041  Potamogeton pusillus subsp. pusillus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC81147  Potentilla biennis Lowell Ahart 2001-8-29 9237 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA8064  Potentilla fruticosa H. A. Barker 1927-8-14 842 Plumas Wades Lake 1982 Comment
  RSA611286  Potentilla glandulosa subsp. hansenii Joseph A. Ewan 1934-7-17 8533 Plumas Ready Bullion Mine, Bear Lake, Mt. Elwell Region. 1982 Comment
  CHSC66640  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1996-7-15 8041 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 road 29N11. 1371 Comment
  CHSC35920  Potentilla millefolia M. S. Taylor 1982-5-7 4420 Plumas Meadow around Clover Valley Ranch, s side of Beckwourth-Genesee Rd, ca. 10 air mi nw of Beckwourth; in Red Clover Valley. 1676 Comment
  CAS-BOT-BC158520  Potentilla millefolia M. S. Taylor 1982-5-7 4420 Plumas Plumas National Forest/Beckwourth RD Expt. Area. Clover Valley Ranch in Red Clover Valley 1676 Comment
  CHSC97164  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
  CHSC97632  Poteridium annuum Lowell Ahart; John Dittes 2007-6-17 14195 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC13643  Prunella vulgaris var. lanceolata M. S. Taylor 1974-7-3 303 Plumas Abundant along roadside in vicinity of Fern Glen, ca. 1 mi s of Darlingtonia Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  POM70079  Prunella vulgaris var. lanceolata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC158144  Prunus emarginata Anna Head 1921-6-25 s.n. Plumas Lake Center Camp, Feather River Region Comment
  RSA60137  Prunus emarginata E. K. Balls 1950-9-5 15679 Plumas Main trail Thompson Creek, off La Porte Road, off Hwy 24, e. of Quincy. Comment
  UCSB13455  Prunus emarginata Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  JEPS48765  Prunus virginiana var. demissa John Warren Duffield 1937-5-26 Plumas on country road between Meadow Valley and Quincy ((8 miles), sw Plumas County) Comment
  CAS-BOT-BC154850  Prunus virginiana var. demissa Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 10 1/2 miles north of Quincy, Hy. 24 Comment
  CHSC95005  Pseudognaphalium luteoalbum Lowell Ahart 2006-10-23 13474 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS102725  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-16 9370 Plumas On a bank on the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS17911  Pseudognaphalium thermale Rimo Bacigalupi 1955-7-22 5437 Plumas Tobin Feather River Canyon, Tobin 548 Comment
  CAS-BOT-BC361677  Pseudognaphalium thermale John Thomas Howell 1961-9-23 36892 Plumas Englemine [Engel Mine] 1097 Comment
  CHSC75489  Pseudostellaria jamesiana G. F. Hrusa; T. D. Wilfred 1997-6-26 13928 Plumas Sierra Nevada. Site about Pine Creek at Brady's Camp. Pine Creek Valley, +/- 1/2 mi. NE Argentine Rock. On creek banks. 2125 Comment
  CHSC99829  Pseudostellaria jamesiana Lowell Ahart 2008-7-16 15100 Plumas Dry open area west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1950074  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17785 Plumas southeast Diamond Mountains northeast of Frenchman Lake, northease slope of rhyolite plug (area otherwise granite), between Galeppi Creek and Spring Creek Comment
  CAS-BOT-BC80157  Pseudotsuga menziesii Alice Eastwood 1927-6-15 14704 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  RSA384642  Pseudotsuga menziesii B. C. Templeton 1967-4-24 10737 Plumas Approximately 16 miles east of Quincy. Comment
  RSA755811  Pseudotsuga menziesii L. Ahart, John Dittes 2009-7-13 16058 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  NY63880  Pseudotsuga menziesii var. menziesii R. M. Austin 1880-1 s.n. Plumas Comment
  CAS-BOT-BC361780  Psilocarphus brevissimus var. brevissimus A. A. Heller; P. B. Kennedy 1907-7-2 8689 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  CDA14696  Psilocarphus oregonus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3184 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  JEPS107683  Pteridium aquilinum var. pubescens Lowell Ahart, John Dittes 2005-9-19 12404 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
  SD8436  Purshia tridentata Mrs. R. M. Austin 1880-1 Plumas Bis Meadows Comment
  CAS-BOT-BC147871  Purshia tridentata var. tridentata Anna Head 1921-6-22 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CAS-BOT-BC147872  Purshia tridentata var. tridentata Alice Rosenberg 1917-6-20 s.n. Plumas Blairsden Comment
  CAS-BOT-BC147878  Purshia tridentata var. tridentata John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2207 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC91900  Purshia tridentata var. tridentata Lowell Ahart; Josephine Guardino 2005-8-10 12308 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  UCSB45772  Purshia tridentata var. tridentata Reisentz, Paul 1979-5-12 Plumas Indian Creek at the junction of Highway 70 and Highway 89 Comment
  CHSC36324  Pycnanthemum californicum M. S. Taylor 1982-8-12 4979 Plumas Along Denton Creek between 516 and Hwy 70, ca. 1 mi e of Blairsden. 1432 Comment
  POM161726  Pycnanthemum californicum R. C. Bacigalupi 1927-7-12 1723 Plumas at Quincy Junction Station 1067 Comment
  RSA184940  Pycnanthemum californicum L. S. Rose 1966-7-27 s.n. Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  RSA754534  Pycnanthemum californicum L. Ahart, John Dittes 2009-7-27 16181 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  JEPS19278  Pycnanthemum californicum W. L. Jepson 1918-8-16 8026 Plumas Clover Creek Canyon 1615 Comment
  JEPS58854  Pyrola asarifolia H. L. Mason 1924-6-26 Plumas Blairsden 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
  RSA0080595  Pyrola dentata G. T. Nordstrom 1934-7-3 187 Plumas 3/4 mile S.W. of Mt. Ararat. 1707 Comment
  CHSC52733  Pyrola picta L. P. Janeway 1990-7-31 3820 Plumas Plumas National Forest. Near the crest of Grizzly Ridge, on the N side at head of drainage of the SW fork of Paradise Cr. 2042 Comment
  CAS-BOT-BC328159  Pyrrocoma lucida Roxana S. Ferris 1951-9-14 12469 Plumas Between Graeagle adn Calpine just north of Sierra County line (State Highway 89) Comment
  JEPS34394  Quercus durata var. durata Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8870 Plumas n side Feather River Canyon (at Rich Bar); Rich Bar 762 Comment
  JEPS48091  Quercus durata var. durata Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2700 A Plumas 54 mi n Oroville (Feather River Canyon at Rich Bar (sign), just w of and above Feather River, 0.25 mi below (downstream) Pulga Bridge on Highway 40 Alt.); Feather River Canyon 731 Comment
  CAS-BOT-BC62739  Quercus garryana var. breweri John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon 853 Comment
  CHSC96745  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8995 Plumas Northern High Sierra Nevada. Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  UC1748319  Quercus garryana var. semota James D. Jokerst, R. A. Schlising, and L. Ahart 1985-8-12 2559 Plumas Red Mountain Road 1.1 mi above jct. with Rich Gulch Road, N of Hwy. 70 1584 Comment
  UC463085  Quercus kelloggii C. H. Crickmay Aug 1931 Plumas Taylorsville Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 Comment
  CAS-BOT-BC104600  Quercus vacciniifolia M. S. Taylor 1982-6-21 4702 Plumas above E slope of Golden Creek, ca. 3 air mi W of White Cap, ca. 4 air mi SW of Sloat 1645 Comment
  CDA12148  Quercus vacciniifolia G. F. Hrusa, J. Dinsdale 1989-6-25 7201 Plumas Sierra Nevada; Bucks lake north shore. Comment
  RSA739736  Ranunculus alismifolius var. alismifolius L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada, Eastern end of Red Mtn, along the high exposed rocky ridgeline. Weathered reddish serpentine 1929 Comment
  UC827595  Ranunculus alismifolius var. alismifolius A. A. Heller 1915-7-7 12057 Plumas 12 mi w Bucks; Sierra Nevada, Soapstone Ridge 1676 Comment
  SEINET5338282  Ranunculus alismifolius var. hartwegii J. Young 1982-1 s.n. Plumas Dye creek meadow. 1524 Comment
  SEINET5338404  Ranunculus aquatilis T. Ramelli 1948-5-16 39 Plumas .5 miles west of Vinton, Calif. Comment
  POM186543  Ranunculus aquatilis var. capillaceus D. D. Keck 1932-7-3 1661 Plumas Quicy, along Spanish Creek, in the Northern Sierra Nevada. Comment
  CHSC46710  Ranunculus aquatilis var. diffusus V. Oswald; W. Dempsey 1989-8-24 3966 Plumas Domingo Spring, ca. 8 mi wnw of Chester. In Domingo Creek. 1560 Comment
  CAS-BOT-BC379249  Ranunculus aquatilis var. diffusus David D. Keck 1932-7-3 1661 Plumas northern Sierra Nevada, Quincy, along Spanish Creek, growing in streamlets through the meadow 488 Comment
  RSA518189  Ranunculus occidentalis B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 958 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  UC1126206  Ranunculus occidentalis E. Sawyer 1935-5-28 48 Plumas 3 1/4 mi ese Grizzly Pk.; Sierraville Quadrangle Comment
  CHSC45406  Ranunculus occidentalis var. occidentalis Lowell Ahart 1977-6-20 1436 Plumas About 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  HSC31374  Ranunculus occidentalis var. occidentalis Larry E. DeBuhr, G. Wallace 1972-5-21 592 Plumas Plumas National Forest 1.0 mi. SW of Keddie in Butterfly Valley 1189 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  SD8000  Ranunculus sceleratus var. multifidus Mrs. R. M. Austin 1880-1 Plumas Indian Valley Comment
  NY42173  Rhamnus purshiana J. B. Walker 1994-8-2 862 Plumas 2km N of Quincy, on Rt 70 1200 Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  SEINET10493608  Rhamnus purshiana Mary Susan Taylor 1982-7-22 Taylor 4902 Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  SEINET13946362 Image available Rhamnus purshiana E. K. Balls 1950-1 15785 Plumas Red Fir Forest, 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet,southern 2012 Comment
  RSA212160  Rhamnus rubra L. S. Rose 1969-6-23 69044 Plumas 10 miles SW of Quincy La Porte Road. 1250 Comment
  CAS-BOT-BC56575  Rhododendron columbianum Walter Knight; Irja Knight 1966-6-18 1289 Plumas Butterfly Valley 1143 Comment
  CAS-BOT-BC56576  Rhododendron columbianum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1691 Plumas Sweetwater Meadow 1127 Comment
  JEPS118190  Rhus glabra Dean W. Taylor 2004-5-26 19076 Plumas Feather River Canyon, Hot Springs (the place name) (Highway 70 2.5 miles East of Twain) 853 Comment
  JEPS118734  Rhus glabra L. P. Janeway 2010-8-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. Storrie 7.5' quad. Comment
  UC1730229  Rhynchospora alba L. P. Janeway 1998-9-10 6272 Plumas Butterfly Valley Botanical Area; upper edge of darlingtonia bog (Sweetwater Marsh) just below Road 25N47 0.3 mi south of Road 417. 1173 Comment
  CAS-BOT-BC169120  Ribes inerme var. inerme David D. Keck 1932-7-3 1653 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  UC2046360  Ribes nevadense Barbara Ertter with Richard Rabeler, Jim Shevock, Tony Morosco 1997-6-12 15692 Plumas Highway 70 along Feather River, above upper end of Rock Creek Reservoir downstream from Belden, ca 18 airmi WNW of Quincy. Comment
  JEPS48766  Ribes roezlii John Warren Duffield 1937-5-27 Plumas Grubstake Flats Bucks Lake Quad., Meadow Valley Comment
  SEINET10904149  Ribes roezlii Mary Susan Taylor 1982-5-23 Taylor 4513 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  SEINET12216476  Ribes roezlii W. Knight, Knight, I. 1983-1 4942 Plumas confluence of North Fork of Feather River & Warner Creek on road between Chester & Drakesbad 1463 Comment
  CAS-BOT-BC186225  Ribes roezlii var. roezlii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  RSA0018271  Ribes roezlii var. roezlii Louis C. Wheeler 1958-7-29 7341 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CAS-BOT-BC74643  Rorippa curvisiliqua Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills. Comment
  JEPS115563  Rorippa curvisiliqua var. curvisiliqua Lowell Ahart, John Dittes 2009-7-27 16166 Plumas On damp soil, bottom of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CHSC81108  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC21533  Rosa bridgesii D. Brink; L. Mayer 1975-7-11 Plumas Comment
  CHSC87832  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10999 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  JEPS105836  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11174 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
  UC467811  Rosa bridgesii H. M. Hall June 1912 9261 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  CAS-BOT-BC148171  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2627 Plumas Ner Overnight Camp - Butterfly Botanical Area and vicnity 1097 Comment
  CAS-BOT-BC148172  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2468 Plumas Darlingtonia Bog - Butterfly Botanical Area and vicnity 1097 Comment
  CAS-BOT-BC148178  Rosa gymnocarpa C. R. Quick 1954-8-4 54 -05 Plumas Lake Almanor-Humbug Valley Road Comment
  CHSC101776  Rosa gymnocarpa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15869 Plumas South of Forest Road 27N01Y, south of the high cut bank along the road, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC52535  Rosa gymnocarpa L. P. Janeway 1990-6-15 3719 Plumas Plumas National Forest. Along Rattlesnake Creek, 2.1 mi (along the creek) N of Hwy 70/89; off the N side of Long Valley. 1524 Comment
  SBBG30528  Rosa gymnocarpa D. Myrick 1968-6-18 1945 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC149731  Rosa woodsii subsp. ultramontana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2378 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  SEINET7670974  Rosa woodsii var. ultramontana M. Ferguson, D. Matthews, C. Hoffman, J. Jaggers, B. Kalb, A Onisko 2011-10-3 s.n. Plumas Along Grizzly Creek at the entrance to the Ranch. 1494 Comment
  SEINET7704117  Rosa woodsii var. ultramontana W. Harnach, N. Harnach 1990-6-27 422 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and R/R. 1487 Comment
  UC570220  Rosa woodsii var. ultramontana E. Sawyer 1935-6-27 171 Plumas 3 1/2 mi n Hawks; Sierraville Quadrangle 1645 Comment
  CAS-BOT-BC156920  Rubus ursinus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1560 Plumas Fern Glen 1112 Comment
  CHSC45867  Rumex acetosella Lowell Ahart 1973-5-31 249 Plumas Near the dirt road, near the Little North Fork of the Feather River. 1066 Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SD7885  Rumex acetosella Mrs. R. M. Austin unknown Plumas American Valley Comment
  RSA0039546  Rumex acetosella Lowell A. Ahart 2008-8-13 15182 Plumas On the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC433518  Rumex fueginus John Thomas Howell 1961-9-25 36948 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC433734  Rumex occidentalis John Thomas Howell 1960-7-19 35623 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1185299  Sagina saginoides H. E. Brown Aug 1 1897-Aug 15 1897 627 Plumas near Lassen Buttes 1828 Comment
  SEINET10465396  Sagittaria cuneata Mary Susan Taylor 1982-8-17 Taylor 5006 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  CAS-BOT-BC445743  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1219 Comment
  CAS-BOT-BC445746  Sagittaria latifolia David D. Keck 1932-7-3 1687 Plumas In backwaters of Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC445747  Sagittaria latifolia Walter Knight; Irja Knight 1966-6-19 1720 Plumas Butterfly Botanical Area and Vicinity Comment
  UCD138051  Sagittaria latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1419 Plumas 2 miles souht of Greenville, Indian Valley. Comment
  SEINET10538806  Salix drummondiana Mary Susan Taylor 1982-5-15 Taylor 4452 Plumas T21N R12E ne/sw sec 32. Sierra City NW quad. Along Gray Eagle Lodge Rd, just sw of its jct with Hwy 519, ca. 7 mi s of Mohawk. 5700 ft. 1737 Comment
  CAS-BOT-BC103620  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1650 Plumas upper reaches of trail from Gray Eagle Valley to Long Lake Comment
  UC440201  Salix eastwoodiae H. M. Hall 1912-7-8 9312 Plumas Bunker Hill 2133 Comment
  CAS-BOT-BC107971  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  NY430472  Salix geyeriana G. Schoolcraft 1998-7-26 2796 Plumas Meadow south of Clover Valley 1676.4 Comment
  CHSC113618  Salix lasiandra var. lasiandra Lowell Ahart 2014-8-31 19811 Plumas South of an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  RSA31980  Salix lasiolepis var. bigelovii A. A. Heller 1938-5-30 15135 Plumas The Feather River near Vigilia. 793 Comment
  CHSC87631  Salix lasiolepis var. lasiolepis Lowell Ahart; Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CAS-BOT-BC124799  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather River about 5 miles southwest of Prattville Comment
  CDA14756  Salix lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3317 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek 1341 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
  SBBG57908  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 394 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  UC481909  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  RSA151686  Salix lucida Paul A. Mitchell 1959-6-8 38 Plumas D L Bliss State Park, along N shore of Emerald Bay near marshy cove and old stone pier Comment
  CAS-BOT-BC129386  Salix melanopsis John Thomas Howell 1976-7-16 51897 Plumas Hydraulic mining gravels on flood plain of Spanish Cr. at mouth of Wapaunsie Creek - Sierra Nevada 1097 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
  CAS-BOT-BC235026  Sambucus A. M. Vollmer; L. Beane 1953-7-1 27 Plumas Route 24, about 25 miles below Quincy, Feather River Highway Comment
  CAS-BOT-BC235027  Sambucus Alice Eastwood 1927-6-17 14674 Plumas United States Forest Reserve, Long Valley Comment
  CDA26414  Sanguisorba annua T. C. Fuller 1968-7-1 17322 Plumas 1 block north of Highway 70, Beckwourth. 0 Comment
  SEINET13945235 Image available Sanicula nevadensis A. A. Heller 1915-1 12061 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 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
  UC176662  Saxifraga aprica H. M. Hall 1912-7-12 9332 Plumas Long Lake; Sierra Nevada Mountains, Long Lake 2042 Comment
  UC570927  Saxifraga oregana Herbert L. Mason 1926-6-18 1047 Plumas n of Graeagle Comment
  CAS-BOT-BC111574  Schoenoplectus americanus W. R. Dudley 1909-8-26 s.n. Plumas Near East Hot Springs, Sierra Valley. Comment
  SD130996  Schoenoplectus subterminalis Lowell Ahart 1980-9-17 2655 Plumas In lake, I(c) mile west of Fowler Park. 1600 Comment
  CHSC87997  Scirpus congdonii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11168 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CAS-BOT-BC111004  Scirpus microcarpus D. H. Esplin; R. K. Gierisch 1968-10-3 7 Plumas Crocker guard Sta. horse pasture 1737 Comment
  UC2058704  Scleranthus annuus subsp. annuus Tom Reyes, Martin Hutten, Heather Smith 2014-4-22 104 Plumas Terminal Geyser Comment
  CAS-BOT-BC238463  Scrophularia John Thomas Howell 1977-8-11 52684 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CDA18457  Scutellaria siphocampyloides G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3178 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  OBI13499  Scutellaria siphocampyloides Lewis S. Rose 1967-7-11 67156 Plumas Quincy Jctn 975 Comment
  UC450432  Scutellaria siphocampyloides J. G. Lemmon 624 Plumas Indian Valley; High Sierra, Indian Valley Comment
  JEPS62868  Scutellaria tuberosa W. I. Follett 1937-5-30 Plumas Rich Gulch 1173 Comment
  SD6635  Scutellaria tuberosa Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  CHSC62167  Secale cereale L. P. Janeway 1993-7-21 4466 Plumas Plumas National Forest. Southwest side of Red Clover Valley, 0.9 mi southeast of Clover Valley Ranch; 200 ft south of the Beckwourth-Genesee Road along logging spur 24N66X. 1685 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
  SEINET10449667  Sedum albomarginatum Mary Susan Taylor 1981-7-26 Taylor 4116 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
  UCR115322  Sedum spathulifolium G. D. Barbe, T. C. Fuller 1982-7-15 3746 Plumas Sierra Nevada, Shale road cut, 5.2 mi NE of junction with road to Red Hill, Plumas National Forest. BM: M 1524 Comment
  UCR208946  Sedum spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Northern Sierra Nevada Mtns., c. 3 mi on dirt road to Snake Lake branching to NW off Hwy 70 c. 2 mi N of Quincy 1273 Comment
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  JEPS26944  Sedum spathulifolium P. C. Hutchison 1961-6-9 2133 Plumas on road to Bucks Lake 4.5 mi w Quincy (steep shady cliff); w of Quincy Comment
  CAS-BOT-BC363251  Senecio Greg Sommers 1976-7-20 188 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  JEPS37595  Senecio aronicoides Mrs. Emanuel Esther C. Fritz 1933-7-15 Plumas along summit of Spanish Peak Spanish Peak 2133 Comment
  CAS-BOT-BC363733  Senecio hydrophilus M. S. Taylor 1982-9-8 5121 Plumas N end of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CHSC85678  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3691 Plumas Sierra Nevada foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  CHSC98353  Senecio integerrimus var. exaltatus L. P. Janeway 2007-5-20 8986 Plumas Northern High Sierra Nevada. Along road to the top of Red Hill, about 0.2 km due north of the summit. 1902 Comment
  RSA0124934  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-16 7472 Plumas Diamond Peak. 2134 Comment
  CHSC67449  Senecio integerrimus var. major Lowell Ahart 1977-6-20 X 1433 Plumas One-half mile northeast of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  SEINET11806673  Senecio pauciflorus var. jucundulus L. Ahart, Ahart, P. 1983-1 4322 Plumas near Onion Valley, W of Pilot Peak, near Quincy-LaPorte Rd, NE of La Porte 2000 Comment
  CHSC21296  Senecio triangularis F. T. Griggs 1975-7-29 259 Plumas Buck's Lake. Comment
  POM272149  Senecio triangularis Lyman Benson 1932-7-29 3991 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CAS-BOT-BC364767  Sericocarpus oregonensis subsp. californicus Walter Knight; Irja Knight 1966-9-12 1734 Plumas Butterfly Botanical Area and Vicinity. Beargrass Glade 1127 Comment
  CAS-BOT-BC364763  Sericocarpus oregonensis subsp. californicus Clare B. Hardham 1986-8-9 30403 Plumas Sierra Nevada Mountains. Meadow Valley - Virgilia Road 1219 Comment
  CAS-BOT-BC213138  Sidalcea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54111 Plumas 10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada 1889 Comment
  CHSC21206  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-7-10 143 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS97975  Sidalcea glaucescens B. G. Baldwin 1999-6-15 1086 Plumas La Porte Road 10.9 mi S of Middle Fork Feather River crossing Quincy Comment
  JEPS97934  Sidalcea oregana subsp. spicata Vernon H. Oswald and Lowell Ahart 1998-8-11 9483 Plumas Grizzly Creek, W of Bucks Lake on USFS 23N36 0.1 mi E of Oroville - Quincy Hwy 1566 Comment
  JEPS95381  Silene bernardina Lowell Ahart 1994-7-22 7488 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  UC185511  Silene campanulata subsp. glandulosa Mrs. R. M. Austin July 1893 15 Plumas on old military road Summit Cascades (Summit Cascades) Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  SD61132  Silene douglasii Darley F. Howe 1964-7-29 3891 Plumas Near Gold Lake Lodge, Plumas National Forest. 2010 Comment
  CAS-BOT-BC386993  Silene douglasii M. S. Taylor 1982-8-21 4894 Plumas Around south end of Bachs creek Ridge on dry rocky ralus, ca. 5 mi se of Quincy 1752 Comment
  UC640584  Silene douglasii H. L. Mason 1924-6-20 1088 Plumas above Graeagle Lodge; above Graeagle Lodge Comment
  CHSC63126  Silene douglasii var. douglasii Lowell Ahart 1994-6-29 7407 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CAS-BOT-BC386894  Silene gallica John Thomas Howell; H. Keith Wagnon 1980-5-28 53707 Plumas North Fork Feather River canyon 4 miles northeast of Pulga Bridge Comment
  CAS-BOT-BC389383  Silene lemmonii John Thomas Howell 1951-6-27 27558 Plumas Johnsville 1584 Comment
  CAS-BOT-BC389386  Silene lemmonii Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC389374  Silene lemmonii L. P. Janeway 1990-6-19 3722 Plumas Plumas National Forest, Beckwourth Ranger District, Rattlesnake Compartment. West of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley 1402 Comment
  CAS-BOT-BC389387  Silene lemmonii Anna Head 1921-7-11 s.n. Plumas Lake Center Camp, Feather River Region Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  UCD98748  Silene lemmonii W. R. Powell 1968-7-2 1596 Plumas along road around SE side of Little Grass Valley Reservoir, 3 miles NNE of La Porte. 1554 Comment
  NY453072  Silene menziesii Mrs. Ames 1876-1 s.n. Plumas Comment
  SEINET10833469  Silene nuda subsp. insectivora Mary Susan Taylor 1982-6-28 Taylor 4764 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-BC75114  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1937 Plumas Butterfly Botanical Area and Vicinity. Halfway between valley and Darlintonia bog. 1066 Comment
  CAS-BOT-BC75120  Sisymbrium altissimum David D. Keck 1932-7-3 1685 Plumas Quincy, in the northern Sierra Nevada. 1065 Comment
  POM107998  Sisyrinchium bellum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  CDA14671  Sisyrinchium idahoense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3113 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  UCD127001  Solanum physalifolium var. nitidibaccatum Mr. Peters 1927-9-1 818 Plumas Taylorsville. Comment
  JEPS102317  Solanum umbelliferum Lowell Ahart 2001-6-4 8752 Plumas 4 1/2 air miles N of La Porte (W side of the dirt road, W of South Fork of the Feather River, about 1/4 mi N of Little Grass Valley Reservoir) 1584 Comment
  JEPS103359  Solanum umbelliferum Lowell Ahart 2002-6-26 9771 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  RSA122318  Solidago canadensis subsp. elongata G. T. Nordstrom 1934-7-17 230 Plumas 1.5 miles south and 1/2 mile east of Bucks Mountain. 1524 Comment
  SD46771  Solidago canadensis subsp. elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy. 1035 Comment
  CAS-BOT-BC365514  Solidago elongata John Thomas Howell 1960-7-18 35590 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC45013  Solidago elongata Lowell Ahart 1974-8-15 604 Plumas Ravine, north of the dirt road, near Zumwalt Flat, about 1 mile north of Nelson Creek, about 20 miles north-east of La Porte. 1676 Comment
  CHSC95175  Solidago elongata R. D. Fischer; Jenny Marr 2004-8-7 820 Plumas Sierra Nevada foothills between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  SEINET11382905 Image available Solidago elongata Unknown 1934-1 8175 Plumas along Middle Fork Feather River, Deuteus (?), Mohawk Valley Comment
  CAS-BOT-BC365116  Solidago velutina subsp. californica John Thomas Howell 1959-9-24 34913 Plumas Crescent Mills 1066 Comment
  CAS-BOT-BC365117  Solidago velutina subsp. californica John Thomas Howell 1959-9-21 34736 Plumas Belden 701 Comment
  SDSU526  Solidago velutina subsp. californica D. F. Howe 1960-9-20 2984 Plumas North fork of Feather River, 41 miles from Oroville. 610 Comment
  CHSC102049  Solidago velutina subsp. sparsiflora Lowell Ahart; John Dittes 2009-7-27 16184 Plumas On dry soil, about 20 yards north of the poor dirt road, about 15 yards east of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CAS-BOT-BC157313  Sorbus californica A. A. Heller 1915-7-7 12059 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC157316  Sorbus californica Anna Head 1921-8-2 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC157317  Sorbus californica Alice Eastwood 1927-6-17 14638 Plumas Long Valley, United States Forest Reserve Comment
  JEPS107974  Sorbus californica Lowell Ahart, John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 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
  JEPS124138  Sorbus scopulina Lowell Ahart, John Deurloo 2015-8-25 20525 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  JEPS87465  Sparganium angustifolium Vernon H. Oswald and Lowell Ahart 1993-8-25 5854 Plumas ca 1 mi ese Spencer Meadow (ca 0.6 mi s of Lassen Peak, Ridge Lake, especially the se arm of the lake); Ridge Lake 1978 Comment
  RSA239248  Sparganium angustifolium subsp. emersum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42318 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  SEINET10867297  Sparganium emersum Mary Susan Taylor 1982-8-17 Taylor 5007 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  CHSC21184  Sparganium natans F. T. Griggs; A. Pass 1975-8-5 309 Plumas Buck's Lake. Comment
  RSA565013  Sparganium natans D. W. Taylor 1990-8-10 11432 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CHSC20753  Spergularia rubra K. R. Stern 1975-7-23 5897 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC62544  Spergularia rubra B. Castro 1987-6-21 136 Plumas E side of Little Grass Valley Reservoir, at lakeside edge. 1524 Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  SEINET7722232  Spiraea betulifolia Unknown Plumas Spanish Peak Comment
  JEPS48884  Spiraea densiflora Esther C. Fritz 1933-7-27 Plumas Spanish Peak; at intersection of road and trail to Monte Cristo Mine, going w 2133 Comment
  RSA472771  Spiraea densiflora Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  CAS-BOT-BC149656  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-9 8786 Plumas Prattville Comment
  CAS-BOT-BC149663  Spiraea douglasii V. K. Kinzie 1924-8-1 s.n. Plumas Engelmine [Engel Mine] Comment
  JEPS93947  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1998-8-11 9485 Plumas w of Bucks Lake (on USFS 24N36 0.1 mi e of Oroville-Quincy Highway, along Grizzly Creek); Grizzly Creek, USFS 24N36 1566 Comment
  SDSU9264  Spiraea douglasii D. F. Howe 1959-8-3 2786 Plumas 30 miles N of Quincy. 1372 Comment
  UC1128713  Spiraea douglasii Beryl O. Schreiber 1938-7-9 2522 Plumas 1 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  UC335120  Spiraea douglasii J. G. Lemmon Plumas American Valley and Indian Valley; American Valley, Indian Valley Comment
  UCD33601  Spiraea douglasii Beecher Crampton 1970-6-25 8631 Plumas Quincy. 1066 Comment
  RSA52872  Spirodela polyrhiza R. Weatherby 1950-7-28 1485 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CHSC100034  Stachys ajugoides var. rigida Lowell Ahart 2008-8-14 15207 Plumas On the sides of a small stream, about 50 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CHSC51238  Stachys ajugoides var. rigida Lowell Ahart 1976-7-7 1157 Plumas Growing along Cold Water Creek, at the camp on Cold Water Creek, about 4 miles south of Grizzly Mountain. 1524 Comment
  CHSC52071  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3550 Plumas Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. Along side of creek. 1752 Comment
  CHSC52074  Stachys ajugoides var. rigida L. P. Janeway 1990-8-24 3834 Plumas Plumas National Forest. At edge of Coldwater Cr at crossing of dirt road ca 1 1/2 mi W of Red Clover Cr. Site disturbed by the road crossing. 1981 Comment
  UC1075654  Stachys ajugoides var. rigida Robert J. Weatherby 1950-7-7 1457 Plumas Snake Lake Quincy 1219 Comment
  SEINET8037313  Stachys albens M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77 /68/8 Plumas Road from Chilcoot along Last Chance Creek to Frenchman's. 1707 Comment
  UCD147789  Stachys rigida Allyson Ayalon; Lucie Jerabkova 2012-8-1 142 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  SEINET9370683  Stachys rigida Unknown 2014-8-7 2014 -023 Plumas Grey Eagle Lodge, Lakes Basin, Plumas National Forest Comment
  SEINET7977076  Stachys rigida var. rigida A. A. Heller, P. B. Kennedy 1907-7-8 8767 Plumas Near Greenville Comment
  CHSC80828  Stellaria obtusa Lowell Ahart 2001-7-19 8942 A Plumas Sand bar on the east side of Hopkins Creek, about 100 yards northwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC375051  Stenotus acaulis G. D. Barbe 1982-6-9 3664 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest 2057 Comment
  CAS-BOT-BC375052  Stenotus acaulis John Thomas Howell; Gordon H. True 1973-7-31 50079 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  UC1118619  Stenotus acaulis C. W. Hanks 1934-9-10 76 Plumas S. end of Dixie Mtn. 1950 Comment
  CAS-BOT-BC375621  Stephanomeria lactucina Lowell Ahart 1980-8-27 2588 Plumas Near the Feather Fork Mine 2000 Comment
  CHSC32024  Stephanomeria lactucina L. Ahart 1974-8-15 608 Plumas Along edge of rd, along Eureka Ridge w of Jonesville, ca. 10 mi s of Sloat. 1828 Comment
  CHSC34907  Stephanomeria lactucina M. S. Taylor 1981-7-21 4076 Plumas NE corner of jct of 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC375619  Stephanomeria lactucina Clare B. Hardham 1978-8-12 21819 Plumas West of Bagley Pass 2072 Comment
  OBI50217  Stephanomeria lactucina Barbara Ertter 1988-7-25 7852 Plumas Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Crk, T28N R12E sec 20 NWNE 1981 Comment
  SEINET10474964  Stephanomeria lactucina Mary Susan Taylor 1981-7-21 Taylor 4076 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  HSC93321  Stephanomeria tenuifolia Vernon H. Oswald, L. Ahart 1996-7-15 8046 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 Comment
  JEPS88577  Stephanomeria tenuifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8046 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (at streams and marshy meadow extending e from road 29N11, at junction of road to campground and spur road to n side of meadow); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  CAS-BOT-BC221872  Stipa W. Harnach; N. Harnach 1990-6-16 381 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  SEINET8080356  Stipa occidentalis var. pubescens S. B. Doten 1901-6-16 49 Plumas NE of Sierra Valley. Comment
  SEINET10480707  Streptanthus Mary Susan Taylor 1981-7-17 Taylor 4039 Plumas T21N R12E se/se sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, in front of Big Bear Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1987 Comment
  SEINET10480709  Streptanthus Mary Susan Taylor 1981-6-19 Taylor 3954 Plumas T23N R5E nw sec 12. Pulga quad. On granite at S mouth of Elephant Butte tunnel, at mouth of Grizzly Creek to North Fork Feather River on Hwy 70, ca. 6 mi NE of Pulga. Open & dry, large granite outcrop; 1800 ft elev. 549 Comment
  CAS-BOT-BC87790  Streptanthus tortuosus Anna Head 1921-7-2 s.n. Plumas Feather River Region. At Lake Center Camp. 1920 Comment
  POM253353  Streptanthus tortuosus A. A. Heller 1938-7-2 15238 Plumas 3 miles east of Quincy. 1098 Comment
  RSA603117  Streptanthus tortuosus Joseph A. Ewan 1934-7-17 8542 Plumas Above Long Lake, Mt Elwell region. 2073 Comment
  SEINET10973513  Streptanthus tortuosus Mary Susan Taylor 1981-5-14 Taylor 3719 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  UC727070  Streptanthus tortuosus var. orbiculatus A. A. Heller 1940-6-5 15707 Plumas along Feather River Hwy near Bucks Creek powerhouse Comment
  CAS-BOT-BC517428  Streptopus amplexifolius Lowell Ahart 1981-6-23 2865 Plumas Along the West Branch of Hopkins Creek 1800 Comment
  CAS-BOT-BC271693  Symphoricarpos albus var. laevigatus Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC271696  Symphoricarpos albus var. laevigatus John Thomas Howell 1924-8-10 606 Plumas Near Greenville 1310 Comment