Search Results — 2000 specimen records retrieved (1421 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1348842  Abies magnifica var. magnifica R. A. Cockrell 1937-8-5 8328 Plumas Meadow Valley 1981 Comment
  JEPS42747  Acer glabrum R. H. Platt 1891-1 Plumas Prattville region , Prattville region (the Sierras) Comment
  UC1171597  Acer glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quad. 1767 Comment
  CAS-BOT-BC330951  Acer glabrum var. glabrum George W. Gillett 1957-7-19 858 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes, aobut 1.25 miles above the Devils Kitchen. 2057 Comment
  CAS-BOT-BC330982  Acer glabrum var. glabrum W. W. Wagner 1919-6-29 301 Plumas Squirrel Creek, vicinity of Quincey 1828 Comment
  UC496446  Acer glabrum var. glabrum Merle Randall 1920-6-26 Plumas Falls on Hawley Grade Comment
  CAS-BOT-BC333324  Acer macrophyllum John Thomas Howell 1963-6-3 39399 Plumas Sierra Nevada. Butterfly Valley Comment
  CHSC102103  Achillea millefolium Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16214 Plumas On dry rocky soil, along a drainage from a snow lake, about 100 yards northeast of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  CAS-BOT-BC210690  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC210700  Achnatherum lemmonii David D. Keck 1944-7-8 5437 Plumas Dixie Canyon Store, 2 mi. S.W. of Crescent Mills, on Indian Creek 1066 Comment
  UC1024758  Achnatherum lemmonii Leo Whitney 1934-8-13 2294 Plumas 3 mi e Cate Place (10 mi nw of Portola); Plumas National Forest, Big Grizzley Valley 1828 Comment
  UC1133120  Achnatherum lemmonii E. Sawyer 1935-6-1 53 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  UC174590  Achnatherum lemmonii A. A. Heller with P. B. Kennedy 1907-7-3 8712 Plumas hills above Red Clover Valley Comment
  CAS-BOT-BC216879  Achnatherum occidentale John Thomas Howell 1955-7-19 30770 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC210841  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-7-19 35684 A Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC74148  Achnatherum occidentale subsp. californicum B. Castro; L. Gehrung 1998-10-1 852 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just wet of Pilot Peak and overlooking upper end of S Fork Feather River. On N side of river's crossing of USFS Rd 22N60, on SE-facing slope, just SE of the Pacific Crest Trail (across trail serpentine outcrop). 1975 Comment
  UCD51203  Achnatherum occidentale subsp. pubescens B. Crampton 1954-7-5 2044 Plumas along Hwy. 89, 1.5 miles north of Greenville. Comment
  CHSC67749  Achnatherum stillmanii James D. Jokerst 1985-6-10 2405 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  UC1133250  Achnatherum thurberianum C. W. Hanks 1934-9-10 75 Plumas s end of Dixie Valley Plumas National Forest, Sierraville Quadrangle, Dixie Valley Comment
  UCD51299  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Canadian Zone forest, summit ridge of Thompson Peak, Diamond Range. 2133 Comment
  SBBG21858  Acmispon americanus D. Myrick 1964-7-19 871 Plumas trail to Boiling Lake, Drakesbad 1737 Comment
  UCD169240  Acmispon americanus var. americanus S. L. Welsh; N. D. Atwood 2001-6-13 28128 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  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
  UCD104245  Acmispon nevadensis John Thomas Howell 1960-7-18 35561 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC81119  Acmispon strigosus Lowell Ahart 2001-8-29 9264 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SD8183  Aconitum columbianum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC391472  Aconitum columbianum subsp. columbianum John Thomas Howell 1926-7-31 2175 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC391480  Aconitum columbianum subsp. columbianum Joseph Andorfer Ewan 1934-7-18 8545 Plumas Middle Fork Feather R. near Dentens Comment
  CAS-BOT-BC391665  Actaea rubra Alice Eastwood 1927-6-11 14490 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  UC1125859  Actaea rubra C. G. Albertus 1935-8-3 248 Plumas 1 1/2 mi. s.e. Cromberg; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC29842  Adenocaulon bicolor Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1561 Plumas Butterfly Botanical Area, Fern Glen 1097 Comment
  CHSC744  Agastache parvifolia V. Holt 1935-10-1 Plumas Walker Mine. 1828 Comment
  CDA13428  Agastache urticifolia G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13276 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  JEPS106039  Agastache urticifolia Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11161 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  UCR18723  Agastache urticifolia Frank C. Vasek 1975-7-10 750710- 24 Plumas Chilcoot Campground, south of Frenchman Lake 1555 Comment
  SD61106  Agastache urticifolia D. F. Howe 1964-7-29 3898 Plumas Plumas National Forest, Gold Lake Lodge 1981 Comment
  CHSC33931  Ageratina occidentalis M. S. Taylor 1981-8-4 4153 Plumas On top of Wildcat Ridge, ca. 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorsville. 2164 Comment
  HSC73013  Ageratina occidentalis M. S. Taylor 1981-8-4 4153 Plumas On top of Wildcat Ridge, ca. 4 air miles NW of Antelope Lake, ca. 13 air miles NE of Taylorsville 2165 Comment
  CAS-BOT-BC29657  Agoseris grandiflora var. grandiflora Thomas H. Kearney 1945-8-10 s.n. Plumas Lake Almanor Comment
  UCD107494  Agoseris heterophylla Tim Kuhn 2006-6-23 40 Plumas near Bagley Pass. Comment
  CAS-BOT-BC46152  Agoseris heterophylla Anna Head 1921-6-23 s.n. Plumas Campbells Hot Springs, Feather River region Comment
  CAS-BOT-BC13314  Agoseris parviflora Alice Eastwood 1918-5-25 6983 Plumas Portola Comment
  CAS-BOT-BC13316  Agoseris parviflora Clare B. Hardham 1961-6-16 s.n. Plumas Diamond Peak 2133 Comment
  CAS-BOT-BC13433  Agoseris retrorsa Alice Eastwood 1927-6-13 14546 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  CAS-BOT-BC13441  Agoseris retrorsa Walter Knight; Irja Knight 1967-5-22 1816 Plumas Butterfly Canyon 990 Comment
  UCD150434  Agoseris retrorsa William Anderson 1965-6-6 s.n. Plumas Virgilia. Comment
  CAS-BOT-BC127594  Agropyron cristatum M. S. Taylor 1982-9-13 5138 Plumas Ramelli Ranch, in vicinity of Calpine Road (109) bridge over Feather River. Ca. 1 mile west of Beckwourth. 1487 Comment
  SEINET10507051  Agropyron cristatum Mary Susan Taylor 1982-9-13 Taylor 5137 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CHSC116373  Agrostis Sara M. Taylor; Scott Batiuk 2012-9-12 72 Plumas Plumas National Forest. Slope Fen. Take Mile High Rd (off of Bucks Lake Rd) going north, pass Mill Creek Campground and get onto dirt Rd 24N33 to Mill Creek trailhead. Walk ~1.5 north and then east 3/4 mile to meadow. UTM zone 10, 4424057 N, 655718 E. 1987 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-BC127092  Agrostis exarata John Thomas Howell 1976-7-15 51844 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 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
  CHSC97108  Agrostis exarata Lowell Ahart; Josephine Guardino 2007-7-21 14358 Plumas Along 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
  JEPS102724  Agrostis exarata Lowell Ahart 2001-10-16 9384 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. 1365 Comment
  CDA13992  Agrostis gigantea G. F. Hrusa, T. D. Wilfred 1996-7-23 13404 a Plumas Sierra Nevada; Snake Lake, approx. 5 mi. WNW of Quincy. Slightly moist shoreline in shade of conifers. W side of lake, near main camps. Comment
  CAS-BOT-BC139408  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  CAS-BOT-BC139410  Agrostis hyemalis Lyman Benson 1932-7-29 4008 Plumas Sierra Nevada Mountain Range. Feather River Watershed. Buck Lake. 2133 Comment
  CHSC54505  Agrostis idahoensis Vernon H. Oswald; Lowell Ahart 1991-7-30 4795 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CDA13753  Agrostis pallens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13485 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Few in +- shaded, wet area immediately below headwater spring. Perennial. Comment
  CDA13973  Agrostis pallens G. F. Hrusa 1996-8-2 13437 Plumas Sierra Nevada; 1 mi. NW of Argentine Rock. on trib. of Squirrel Creek. Comment
  CAS-BOT-BC138704  Agrostis scabra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1500 Plumas Butterfly Botanical Area and Vicinity. Along road at Fern Glen. 1097 Comment
  CHSC117469  Agrostis scabra B. Castro; Robin Carter 2010-7-17 1824 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 75 ft downstream of dam outlet. 1499 Comment
  CHSC32855  Agrostis scabra L. Ahart 1980-10-6 2678 Plumas Ca. 1 mi s of La Porte. 1600 Comment
  UCD53379  Agrostis scabra Malcolm A. Nobs; S. Galen Smith 1949-8-18 1366 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC61557  Agrostis variabilis L. P. Janeway 1984-9-1 1133 Plumas Lakes Basin; on Sierra crest west of Mt Elwell. 2164 Comment
  JEPS28278  Agrostis variabilis George W. Gillett 1957-7-17 788 Plumas stream running from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  RSA739730  Agrostis variabilis John Dittes, Josephine Guardino 2005-9-22 1295 Plumas Northern High Sierra Nevada Range, 1.1 air miles N of Taylor, 0.7 air mile E of Rattlesnake Peak, 0.3 air mile W of Eisenheimer Peak, just E of FS Route 27N57., 40Y'10'13.36N, 120Y'43'48.66W, T27N, R11E, Center of section 24, Kettle Rock 7.5' Quad, 2181 Comment
  CAS-BOT-BC267059  Alisma John Thomas Howell 1973-7-9 49707 Plumas Crescent Milk 1066 Comment
  CHSC21226  Allium campanulatum F. T. Griggs; A. Pass 1975-7-16 188 Plumas N. shore of Lower Buck's Lake. Comment
  JEPS61492  Allium campanulatum W. I. Follett 1937-7-1 Plumas summit between Deadwood ravine and Rich Gulch Comment
  SEINET8119077  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-3 8708 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC205714  Allium lemmonii James R. Shevock 1985-5-19 11147 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 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
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  RSA537498  Allium parvum Barbara Ertter, Gary Schoolcraft 1989-7-3 8662 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  SEINET10471989  Allium parvum Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4477 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  CDA33254  Allium platycaule G. D. Barbe 1982-6-9 3657 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  UCD130296  Allium validum Albert Grigarick 2011-8-15 297 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1886 Comment
  CAS-BOT-BC476718  Allium validum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC476721  Allium validum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2382 Plumas Butterfly Valley Comment
  SEINET10496944  Allophyllum gilioides Mary Susan Taylor 1982-6-10 Taylor 4631 Plumas T23N R14E ne sec 9. Portola quad. Granite ridge ca. 1 mi nw of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 5900 ft. 1798 Comment
  CHSC44310  Allophyllum integrifolium Lowell Ahart 1974-7-30 567 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC46644  Allophyllum integrifolium Lowell Ahart 1989-7-7 6369 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  RSA0035828  Allophyllum integrifolium Lowell A. Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA71080  Allophyllum integrifolium L. S. Rose 1951-6-28 51062 Plumas Johnsville. 1601 Comment
  CAS-BOT-BC171359  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight 1966-9-12 1745 Plumas Butterfly Botanical Area and vicinity. Beargrass Glade 1127 Comment
  RSA189385  Alnus incana subsp. tenuifolia L. S. Rose 1967-5-7 67066 Plumas 3 mi W of Keddie, Butterfly Valley. 945 Comment
  SJSU4310  Alopecurus aequalis H. L. Buckalew 1964-7-25 Plumas Bucks Lake 1584 Comment
  CAS-BOT-BC138118  Alopecurus aequalis var. aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located southeast of Drakesbad just south of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC138026  Alopecurus carolinianus W. Harnach; N. Harnach 1991-6-21 560 Plumas Sierra Valley. Next to RailRoad bridge east of County Road A-23. 1487 Comment
  CHSC94862  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola. 1487 Comment
  CHSC110938  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  CHSC98992  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-6-5 14813 Plumas Steep north side of a logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  CAS-BOT-BC136793  Amelanchier utahensis Alice Eastwood 1927-6-12 14517 Plumas Forest Lodge near Greenville, United States Forest Reserve Comment
  JEPS127335  Amelanchier utahensis Lowell Ahart 2016-7-9 21092 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCSB27203  Amelanchier utahensis Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1158 Comment
  CAS-BOT-BC64280  Anaphalis margaritacea Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  JEPS122103  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. Comment
  UC134194  Anaphalis margaritacea Mrs. R. M. Austin 1879-10-1 88 Plumas Mount Dyer Comment
  POM147070  Anemone drummondii Alice Eastwood 1927-6-15 s.n. Plumas On trail to long Valley. Comment
  UC640266  Anemone oregana H. Dearing and M. Dearing 1939-7-1 2258 Plumas 1 mi e Lake Almanor Comment
  CHSC97277  Angelica breweri Lowell Ahart; John Dittes 2007-8-9 14453 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2509 Comment
  SEINET7063406  Anisocoma acaulis A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  CHSC101777  Antennaria argentea Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15870 Plumas South and below Forest Road 27N01Y, south of the high cut bank along the road, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC87828  Antennaria argentea Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10996 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  SEINET10475042  Antennaria argentea Mary Susan Taylor 1982-5-14 Taylor 4446 Plumas T22N R13E ne/nw sec 14. Portola quad. Open rocky ridge above Turner Springs Rd, ca. l mi s of Hwy 114(Clio-Portola Rd), ca. 2 air mi sw of Portola. 5400 ft. 1646 Comment
  SEINET10475043  Antennaria argentea Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3821 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  SEINET10886946  Antennaria argentea Patricia L. Kenney, David B. Dunn; Melvin L. Conrad 1973-6-5 Kenney 426 Plumas Collected along a stream along Hwy. 70, 6 mi. S from jct. of Hwy. 89 & 70. Douglas fir and yellow pine. 1067 Comment
  UCD40298  Antennaria argentea Rodney Gale Myatt 1971-6-13 738 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  JEPS113739  Antennaria dimorpha Lowell Ahart, John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north en 1654 Comment
  CAS-BOT-BC59179  Antennaria dimorpha L. P. Janeway 1991-5-28 3969 Plumas Crocker Mtn. quad. South side of Poco Creek ca 1 1/2 mi est of Red Clover Creek (south side of road 25N05). 1719 Comment
  CAS-BOT-BC58703  Antennaria geyeri Clare B. Hardham 1975-8-2 20492 Plumas Black Mtn. 2133 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
  SJSU14195  Antennaria luzuloides N. A. Hopkins 1989-6-7 1520 .5 Plumas Squaw Valley 1706 Comment
  CAS-BOT-BC79930  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  UCD149069  Antennaria umbrinella G. Ledyard Stebbins 1982-6-13 C 203 Plumas Stony Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS102861  Anthemis cotula Lowell Ahart 2001-10-8 9329 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC101915  Apocynum androsaemifolium Lowell Ahart; John Dittes 2009-7-14 16074 Plumas Along Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1536 Comment
  JEPS114517  Apocynum androsaemifolium Lowell Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  UC1123477  Apocynum androsaemifolium E. Sawyer 1935-7-9 275 Plumas 4 1/2 mi. s. Crow; Plumas Nat'l Forest, Sierraville Quad. Comment
  RSA31685  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-7-2 s.n. Plumas 3 miles east of Quincy. 1098 Comment
  SEINET12334043  Apocynum androsaemifolium subsp. pumilum L. P. Janeway 1989-1 3545 Plumas Blue Nose Mtn. quad T23N R11E SE1/4 of sec.17;Above western branch of Bell Bar Cr;0.6mi S of Middle* 1494 Comment
  SEINET10873825  Apocynum cannabinum var. glaberrimum Mary Susan Taylor 1982-6-6 Taylor 4609 Plumas T25N R7E nw sec 4. Almanor SW quad. S side of Caribou Rd, ca. 1 mi ne of Queen Lily Campground, ca. 4 air mi ne of Belden. 2700 ft. 823 Comment
  CAS-BOT-BC397892  Aquilegia formosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54146 Plumas 2.65 miles west of Round Valley Reservoir dam 1569 Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  HSC73108  Arabis constancei M. S. Taylor 1981-5-8 3649 Plumas Junction of roads 26N18, 26N92 and 27N92, 0.5 mi. E of Long Valley Mine, 4 air mi. W of Greenville 1616 Comment
  SEINET10448415  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4479 Plumas 5200 ft. T27N R8E se/se sec 36. Almanor NE quad. Both sides of rd 27N92, near Goldstripe Mine, ca. 2.3 mi se of Canyon Dam. 1585 Comment
  SEINET10907252  Arabis constancei Mary Susan Taylor 1982-6-1 Taylor 4582 Plumas T26N R9E sw/nw sec 8. Almanor NE quad. N side of 204, ca. 1 air mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  CAS-BOT-BC17353  Arabis eschscholtziana John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2446 Plumas Butterfly Botanical Area. From vicinity of mouth of Butterfly Creek. 883 Comment
  RSA699250  Arabis holboellii var. pinetorum L. Ahart, John Dittes, Josephine Guardino 2004-6-6 10995 Plumas 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. 1518 Comment
  RSA0129658  Arabis holboellii var. pinetorum Michael A. Vincent 1999-6-7 8533 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  SEINET10907253  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-10 Taylor 3666 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET5340340  Arabis holboellii var. pinetorum R. C. Rollins, K. W. Rollins 1981-5-29 81159 Plumas 3.1 miles northwest of U.S. Hwy. 70 near the Beckwourth-Genesee Road. Comment
  CDA18766  Arabis holboellii var. retrofracta G. D. Barbe, T. C Fuller 1982-7-16 3750 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
  SEINET10454398  Aralia californica Mary Susan Taylor 1981-7-26 Taylor 4118 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 Comment
  RSA101401  Arceuthobium abietinum R. Weatherby 1955-8-6 1674 Plumas Near Claremont Peak, Quincy area. 2012 Comment
  CAS-BOT-BC24213  Arctostaphylos Gladys L. Smith 1976-6-7 4582 Plumas Brushy slope of cutover area, N. end summit area, secondary Rd. between Rte. 70 and La Porte. 1950 Comment
  SD149167  Arctostaphylos John Thomas Howell, T. C. Fuller, and G. D. Barbe 1981-6-24 54265 Plumas Rocky summit ridge, Mt. Hough. 2210 Comment
  SEINET7258407  Arctostaphylos manzanita J. F. Sloan 1959-4-26 s.n. Plumas SW of Quincey, vicinity of Brush Creek SW of Bucks Lake 30 mi. Comment
  CAS-BOT-BC38618  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51338 Plumas Injun Jim Campground, Feather River Canyon 609 Comment
  CAS-BOT-BC38621  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1985-7-23 2542 Plumas Edges of Highway 70 at the entrance to the Indian Jim Campground. Comment
  CAS-BOT-BC40015  Arctostaphylos nevadensis Alice Eastwood 1927-6-15 14593 Plumas Forest Lodge near Greenville Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  CAS-BOT-BC42099  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas Butterfly Creek & Spanish Creek, south of Keddie 883 Comment
  JEPS38827  Arctostaphylos patula R. H. Platt 1891-1 Plumas near Prattville Comment
  SEINET7262939  Arctostaphylos patula W. Harnach, N. Harnach 1990-4-13 255 Plumas Sierra Valley, 0.5 miles N of the Sierra/Plumas Co. line on Co. Rd. A-23, Barry Hill (McElroy on maps) 1615 Comment
  UC1552780  Arctostaphylos patula Frederica Bowcutt 1985-5-16 523 Plumas 9 mi s Lake Almanor (off of Caribou-Belden Rd) 1219 Comment
  SEINET11989151  Arctostaphylos patula B. A. Stein 1981-1 544 Plumas Frazier Falls area 1920 Comment
  SEINET10449367  Arctostaphylos truei Mary Susan Taylor 1982-6-20 Taylor 4712 Plumas T24N R6E nw sec 10. Pulga NE quad. Along Hwy 70, just w of Injun Jim Campground entrance, ca. 4 air mi sw of Belden. TYPE LOCALITY. Comment
  CAS-BOT-BC47028  Arctostaphylos viscida subsp. viscida Catherine Toschi 1963-7-2 s.n. Plumas 2 mi. nw. of Greenville. Comment
  SBBG32368  Arctostaphylos viscida subsp. viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi W of Keddie, Butterfly Valley 944 Comment
  UCD23330  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  UCD59407  Arctostaphylos viscida subsp. viscida Walter and Irja Knight 1986-2-6 5220 Plumas Between bridge over north fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CAS-BOT-BC47031  Arctostaphylos viscida subsp. viscida G. M. Wikoff 1915-4-19 s.n. Plumas Statton grounds. Comment
  CDA19238  Arenaria congesta var. suffrutescens G. D. Barbe, T. C. Fuller 1982-6-17 3826 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET6225252  Arenaria congesta var. suffrutescens L. S. Rose 1967-1 67172 Plumas 1 mi S of Keddle, Butterfly Creek & Spanish Creek Comment
  RSA169383  Arenaria kingii subsp. kingii L. S. Rose 1963-6-4 4800 Plumas Sierra Valley, 1 mile S of Beckwourth 1463 Comment
  CHSC51219  Arenaria kingii var. glabrescens Lowell Ahart 1979-7-18 2001 Plumas About 1 mile west of Pilot Peak, east of the Quincy La Porte Road, about 12 miles north-east of La Porte. 1828 Comment
  JEPS95599  Arenaria kingii var. glabrescens Lowell Ahart 1994-6-29 7413 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  CHSC54462  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1991-7-30 4784 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC82120  Arnica chamissonis H. N. Bolander 1867-1 s.n. Plumas Sierra Valley Comment
  SEINET6775025 Image available Arnica cordifolia W. Harnach, N. Harnach 1990-6-27 409 Plumas Sierra Valley, w of Beckwourth, Ramelli Ranch (USFS) south of railroad 1554 Comment
  CHSC64418  Arnica dealbata B. Castro; G. Kuenster 1994-7-5 522 Plumas On the north end of Mooreville Ridge, ca. 0.75 mi SW of Devil's Gap, on W side of USFS Rd 21N16. Near the western edge of the ridge. 1554 Comment
  UC84127  Arnica dealbata T. S. Brandegee 1892-7-4 Plumas Prattville 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
  CHSC102706  Arnica nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16161 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CAS-BOT-BC90057  Arnica nevadensis Thos. H. Harris 1969-6-15 s.n. Plumas East side of Lake Almanor 1524 Comment
  CAS-BOT-BC85061  Arnica parryi Clare B. Hardham 1985-7-31 30133 Plumas Sierra Nevada - Antelope Reservoir 1676 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
  CHSC94864  Artemisia biennis Lowell Ahart 2006-9-21 13340 Plumas On the south bank of the Middle Fork of the Feather River, east side of the Beckwourth Calpine Road bridge across the river, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. 1474 Comment
  RSA724842  Artemisia cana subsp. bolanderi L. Ahart 2006-9-21 13339 Plumas about 50 yards south of the railroad tracks, about 100 yards west of Beckwourth Calpine Road, about 3/4 mile (air) southwest of Beckwourth, Sierra Valley 1484 Comment
  JEPS37056  Artemisia douglasiana W. L. Jepson 1939-8-16 19436 Plumas Portola Comment
  CHSC32022  Artemisia tridentata Lowell Ahart 1974-10-1 651 Plumas N of Pilot Peak on W part of Buzzards Roost Ridge, 1 mi N of Onion Valley, ca 10 mi N of La Porte. 1981 Comment
  CAS-BOT-BC93524  Artemisia tridentata subsp. tridentata Lewis S. Rose 1932-9-7 32638 Plumas Blairsden 1371 Comment
  CAS-BOT-BC99276  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 Plumas Crocker Mtn. quad. - along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 1752 Comment
  JEPS37054  Artemisia tridentata subsp. vaseyana W. L. Jepson 1939-8-16 19425 Plumas Dixie Valley 1767 Comment
  UCSB45732  Asarum hartwegii Reisentz, Paul 1979-5-12 Plumas At Lewisia Roack, 3 miles north of Injun Jim Campground on Highway 70 Comment
  CHSC7970  Asarum lemmonii Vernon Oswald 1985-5-26 1778 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Comment
  SEINET10937933  Asarum lemmonii Mary Susan Taylor 1974-7-3 Taylor 304 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  SEINET10580343  Asclepias cordifolia R. M. Austin 1876-1 Austin s.n. 1876 Plumas Plumas Co. 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
  CHSC4694  Asclepias speciosa R. Carter 1966-8-10 474 Plumas Found ca. 8 mi. N Quincy along E side Hwy. 70, 500 yds S of bridge over Spanish Cr. 944 Comment
  RSA189327  Asclepias speciosa L. S. Rose 1967-6-12 s.n. Plumas Twain, North Fork, Feather River 854 Comment
  CHSC111737  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  JEPS120177  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  RSA59687  Aster alpigenus E. K. Balls 1950-9-9 15754 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 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
  SEINET10474434  Aster integrifolius Mary Susan Taylor 1982-8-30 Taylor 5077 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  SEINET10839230  Aster integrifolius Mary Susan Taylor 1982-9-8 Taylor 5119 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  UCR73112  Aster occidentalis G. Fred Hrusa 1992-10-8 10497 Plumas Margin of Snake Lake, NE corner of lake, at end of vehicle access rd. 1223 Comment
  RSA726373  Aster occidentalis var. occidentalis L. Ahart, Josephine Guardino 2007-7-20 14332 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  RSA239258  Aster oregonensis R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42315 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA715590  Aster oregonensis L. P. Janeway 1994-8-20 4739 Plumas Northern High Sierra Nevada. About 0.5 miles northeast of Mt. Ararat; along Road 23N19 2.5 miles south of Road 23N60. 1730 Comment
  CHSC78383  Astragalus bolanderi Vernon H. Oswald 2000-7-19 9941 Plumas Between Four Trees and Bucks Lake 0.6 mi east of the Oroville-Quincy Hwy. on Forest Road 23N85Y, southwest of Frenchman Hill. 1752 Comment
  JEPS95454  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas SW of Bucks Lake (E of Frenchman Hill, E of Oroville--Quincy Highway) 1828 Comment
  JEPS91425  Astragalus canadensis var. brevidens Dean Wm. Taylor with Glenn L. Clifton 1990-6-26 11177 Plumas Sierra Valley; near junction Road A24 and Dyson Lane, in SW corner of the junction 1432 Comment
  CAS-BOT-BC178759  Astragalus canadensis var. brevidens T. C. Fuller 1968-7-1 17319 Plumas Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton - Sierra Valley, Sierra Nevada 1524 Comment
  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
  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
  JEPS125801  Astragalus lentiginosus var. floribundus William Harnach 2002-5-14 1059 Plumas 0.8 miles West of the intersection of Highway 49 and Dyson Lane. Comment
  CHSC36942  Astragalus purshii var. tinctus M. S. Taylor 1982-5-14 4445 Plumas Open rocky ridge above Portola, ca. 2 air mi sw of Portola. 1584 Comment
  CAS-BOT-BC27732  Astragalus webberi John Gill Lemmon 1874-1-1 s.n. Plumas Sierra Valley Comment
  UCSB63567  Astragalus webberi Jokerst, James 1985-6-10 Plumas Upper edge of reconstruction zone of Hwy. 70: T26N R9E NE1/4 NW1/4 Sect. 35 Comment
  UC1730237  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  CAS-BOT-BC198677  Astragalus whitneyi var. whitneyi Clare B. Hardham 1961-6-16 7445 Plumas Diamond Peak - Sierra Nevada 2255 Comment
  RSA333469  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-8-2 4095 Plumas Butterfly Valley Botanical Area neer Keddie off Highway 70, along Blackhawk Road. Comment
  CAS-BOT-BC66091  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-22 35924 Plumas near Devil's Kitchen near Drakesbad 1828 Comment
  JEPS107686  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2005-9-20 12441 Plumas Along a very small stream, east of the end of Forest Road 27N34, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2061 Comment
  SD9783  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  CAS-BOT-BC66098  Athyrium filix-femina var. cyclosorum Clarence R. Quick 1952-9-6 52 -316 Plumas Southeast of Meadow Valley (about 1.5 miles se. of Dean's Valley) Comment
  UCD114244  Athysanus pusillus B. Pitzer; S. Morgan and H. Soldan 1988-5-29 957 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy. 89. 1828 Comment
  CDA23331  Atriplex truncata J. T. Howell 1959-9-25 35017 Plumas Sierra Nevada; 5 miles east of Beckwourth, Sierra Valley. Comment
  SD9157  Balsamorhiza deltoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  POM222846  Balsamorhiza hookeri M. Canby 1929-5-12 160 Plumas 15 miles W of Portola Comment
  CDA31974  Barbarea orthoceras L. Ahart, J. Dittes 2009-7-27 16165 Plumas Below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. Comment
  UC1126820  Barbarea orthoceras E. Sawyer 1935-7-1 265 Plumas 0.5 mi s Chases; Plumas National Forest, Downieville Quad. 1676 Comment
  CAS-BOT-BC145803  Beckmannia syzigachne Fred Sommers; Greg Sommers 1976-6-24 141 Plumas Sierra Nevada. Sierra Valley Marsh, 500 m northeast of Marble Hot Springs. 1524 Comment
  CAS-BOT-BC145811  Beckmannia syzigachne Robert J. Weatherby 1950-7-28 1502 Plumas Marshy border of Indian Creek, 2 miles south of Crescent Hills. 1036 Comment
  SEINET10869171  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 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
  SEINET10473665  Bidens frondosa Mary Susan Taylor 1981-9-3 Taylor 4268 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  CAS-BOT-BC413057  Bistorta bistortoides Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC413055  Bistorta bistortoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54387 Plumas Slope 0.25 miles east of Bucks Summit on road to Quincy 1670 Comment
  CAS-BOT-BC128017  Blepharipappus scaber M. S. Taylor 1982-6-28 4765 A Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures, s side a Hwy70, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC16137  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC14014  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 s.n. Plumas Flatiron Ridge. Comment
  CAS-BOT-BC14016  Boechera lemmonii Ella Dales Cantelow 1941-5-18 3626 Plumas 1.5 miles west of Johnsville Road to Gibsonville. 1615 Comment
  CHSC63451  Boechera pinetorum Lowell Ahart 1994-7-22 7494 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC67191  Boechera pinetorum James D. Jokerst 1987-5-28 2885 Plumas Ward Creek Canyon on edge SW of creek. 1463 Comment
  CHSC104754  Boechera platysperma L. P. Janeway 2010-8-19 10169 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). On ridgetop and southeast-facing slope. 1797 Comment
  CAS-BOT-BC14655  Boechera rectissima John Thomas Howell 1960-7-19 35636 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC82502  Boechera rectissima Lowell Ahart 2002-6-26 9774 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  SEINET5325195  Boechera rectissima R. C. Rollins, Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi NW of Beckwourth 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-BC25584  Boechera retrofracta Alice Eastwood 1927-6-13 14545 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  CAS-BOT-BC25576  Boechera retrofracta Anna Head 1920-6-15 s.n. Plumas Feather River Canyon. Lake Center Camp. 1920 Comment
  CAS-BOT-BC25582  Boechera retrofracta Mrs. H. C. Cantelow 1941-5-18 3625 Plumas At Johnsville west of Mohawk. Comment
  CAS-BOT-BC25586  Boechera retrofracta John Thomas Howell 1974-9-20 50890 Plumas Sierra Nevada. 7 miles from Quincy on road to Blairsden. 1097 Comment
  CHSC24646  Boechera sparsiflora S. Deaton 1976-4-16 26 Plumas 100 yrds n of Highway 70 and 30 ft e of n bank of Chips Creek. Comment
  CHSC82558  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 B Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  JEPS49663  Boykinia major W. L. Jepson 1939-7-31 19300 Plumas lower slopes Spanish Peak (canyon bottom 1/2 way between Meadow Valley and Buck's Valley); slopes Spanish Peak, btw Meadow Valley and Buck's Valley Comment
  CAS-BOT-BC186698  Brassicaceae John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2375 Plumas In canyon of Butterfly Creek. Between Spanish Creek and Butterfly Valley Comment
  UC143028  Brodiaea minor Mrs. A. L. Coombs 1902-7-7 Plumas Prattville Comment
  UCD32649  Bromus carinatus Beecher Crampton 1954-7-5 2041 Plumas Plumas County, 1.5 miles north of Greenville, along highway 89. 1127 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
  CHSC96984  Bromus carinatus var. carinatus Lowell Ahart; Josephine Guardino 2007-7-20 14316 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  UC1131035  Bromus carinatus var. carinatus A. Lewis 1934-6-18 488 Plumas Plumas National Forest, Little Grass Valley Little Grass Valley; Plumas National Forest, Little Grass Valley 1524 Comment
  CAS-BOT-BC148703  Bromus carinatus var. marginatus John Thomas Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148711  Bromus carinatus var. marginatus John Thomas Howell 1975-7-22 51369 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  SEINET935017  Bromus carinatus var. marginatus Lewis S. Rose 1951-1 51021 Plumas Johnsville 1600 Comment
  UCD59157  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC148748  Bromus carinatus var. marginatus L. Whitney 1933-9-20 s.n. Plumas Near Willow Creek northeast Plumas National Forest. 1920 Comment
  UCD59197  Bromus carinatus var. marginatus L. S. Smith 1916-7-21 716 Plumas Sierras. Sardin Lookout Station. 2286 Comment
  CHSC102087  Bromus ciliatus Lowell Ahart; John Dittes 2009-7-13 16038 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  UC196404  Bromus commutatus H. S. Yates 1913-6-24 Plumas Massack 1371 Comment
  UCD58433  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET10934809  Bromus commutatus Mary Susan Taylor 1982-7-8 Taylor 4804 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  UCD144321  Bromus inermis G. F. Hrusa; T. D. Wilfred 1996-8-1 13417 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1900 Comment
  CHSC110414  Bromus japonicus Lowell Ahart 2012-7-1 18258 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  SJSU11269  Bromus japonicus S. H. Casey 1980-6-18 1161 Plumas Butterfly Valley c. 3 mi W of Keddie 1066 Comment
  CAS-BOT-BC155327  Bromus laevipes s.n. Plumas Sierra Valley. Comment
  CDA13439  Bromus orcuttianus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13286 Plumas Sierra Nevada; Common perennial in open sites at edge of forest. Dry, rocky ridgetop on USFS 23N11A. Open, dry flats with Artemisia tridentata. Forest here dominated by Abies concolor, Pinus jeffreyi. Comment
  CHSC112087  Bromus suksdorfii L. P. Janeway 2014-7-15 11524 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  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
  CAS-BOT-BC161356  Bromus tectorum Javier Penalosa 1962-6-19 2499 Plumas Highway 40-89, +-6.2 miles southeast of Quincy. 1097 Comment
  CAS-BOT-BC161360  Bromus tectorum Mary S. Clemens 1920-6-10 s.n. Plumas Greenville. Comment
  CDA12088  Bromus tectorum G. F. Hrusa, G. L. Webster 1989-5-1 7021 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  UCD60217  Bromus tectorum G. Douglas Barbe; T. C. Fuller 1982-6-17 3808 Plumas Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi. E of Frenchman Dam. 1706 Comment
  JEPS102744 Image available Bromus vulgaris Lowell Ahart 2001-7-19 8949 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  JEPS103536  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards S of the road to Tamarack Flat, on the S side of a small branch of Fall River, ca 1/8 mile SW of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam 1718 Comment
  CAS-BOT-BC185349  Calamagrostis canadensis Dr. Hildebrand 1863-1-1 s.n. Plumas Sierra. Comment
  CHSC108739  Calamagrostis canadensis B. Castro; L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At upper lake/lower forest edge around much of lake, expecially the north half. 2058 Comment
  SEINET7063408  Calandrinia ciliata A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  CAS-BOT-BC438488  Calandrinia ciliata Mary Strong Clemens 1920-4-27 s.n. Plumas Greenville Comment
  SEINET13710344  Callitriche hermaphroditica Lowell William Ahart, Lowell William Ahart 2001-1 9281 Plumas In Water of Freeman Creek, Lake Davis (T24N, R13E, sec 30, NE 1/4) 5780 Ft. 1762 Comment
  CAS-BOT-BC85763  Calocedrus decurrens W. R. Dudley 1909-8-1 s.n. Plumas Sierra Valley Comment
  CHSC102058  Calocedrus decurrens Lowell Ahart; John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  SEINET4064819  Calocedrus decurrens B. C. Templeton 1967-1 10746 Plumas National Forest near Quincy. Comment
  UCD132884  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC85757  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park, Boiling Springs Lake 1798 Comment
  CDA18591  Calochortus coeruleus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3274 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  SEINET3840913  Calochortus leichtlinii G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3811 Plumas Frenchman Lake, South shore of Frenchman Reservoir (Lake), 0.4 miles east of Frenchman Dam, USGS Quadrangle 7.5 1700 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-BC491842  Calochortus leichtlinii Robert J. Weatherby 1950-8-11 1521 Plumas Near spring on slopes of Mt. Elwell, Lake Basin Area 2194 Comment
  SEINET12044649  Calochortus nudus Lemmon 1887-1 s.n. Plumas Mohawk Valley Comment
  JEPS60529  Caltha biflora W. L. Jepson 1910-6-6 4080 Plumas Hot Springs Valley, Lassen Peak. 1859 Comment
  CHSC34901  Calycadenia truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi E of Clio. 1706 Comment
  UC1136659  Calyptridium monospermum D. Axelrod 1934-6-9 34 Plumas 2 mi nw of Lexington Hill (Plumas National Forest); Plumas National Forest 1767 Comment
  SJSU14353  Calyptridium umbellatum N. A. Hopkins 1990-5-12 1610 Plumas SW side of Clover Valley on rd to Genessee, 11.2 mi NW of Beckwourth 1645 Comment
  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
  RSA39724  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-17 11842 Plumas 16 miles N of Chilcoot 1524 Comment
  RSA641466  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  CAS-BOT-BC160838  Camissonia tanacetifolia subsp. quadriperforata Alice Eastwood 1927-6-27 14873 Plumas Chilcott, United States Forest Reserve Comment
  SEINET10463001  Campanula prenanthoides Howell 1959-9-26 Howell 35045 Plumas Near Keddie 1006 Comment
  SEINET10463002  Campanula prenanthoides Knight 1967-9-16 KNIGHT 2250 Plumas Fern Glen 1097 Comment
  SEINET10463049  Campanula prenanthoides Wheeler WHEELER s.n. Plumas CASCADE Comment
  SEINET10917161  Campanula prenanthoides Solomon W. Conrad 1975-8-11 Conrad 7398 Plumas Douglas Fir forest 5.5 miles west of Quincy on Meadow Valley Rd. 1219 Comment
  SEINET10939013  Campanula prenanthoides Mary Susan Taylor 1981-8-19 Taylor 4217 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  SEINET10972396  Campanula prenanthoides Walter Knight, Irja Knight; John Thomas Howell 1966-7-26 Knight 1615 Plumas Along roadside near Fern Glen 1113 Comment
  CHSC84979  Campanula scouleri Lowell Ahart 2003-10-15 10638 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1509 Comment
  SEINET10463712  Campanula scouleri Ames 1876-1 AMES s.n. Plumas Comment
  UC1594670  Cardamine breweri Lowell Ahart 1992-5-25 6778 Plumas about 1/2 mi s Turkey Town (along edge Hopkins Creek, w of Blue Nose Mountain); w of Blue Nose Mountain, Hopkins Creek, s of Turkey Town 1828 Comment
  JEPS96903  Cardamine californica Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15943 Plumas Feather River Canyon; Hwy 70 2 road miles W of bridge over the river at Pulga; Plumas National Forest 579 Comment
  CHSC72445  Cardamine nuttallii var. covilleana L. P. Janeway 1998-6-22 5648 Plumas About 1 mi south of Indicator Peak; along Road 28N08 3.0 mi northeast of Road 29N46. Near ridge top. 2042 Comment
  CAS-BOT-BC37855  Cardamine oligosperma Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville. 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
  JEPS96797  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  SEINET10575843  Cardamine pachystigma var. pachystigma John G. Lemmon Lemmon s.n. Plumas Indian Valley. Comment
  CDA6821  Carduus nutans D. Turner, J. Budaj 1969-7-17 Plumas Between two parts of the Feather River Inn Golf Course, along a dirt road on the south side of the railroad tracks, Blairsden. 0 Comment
  UCD108024  Carex Tim Kuhn 2006-7-9 68 Plumas Southwest of Lake Davis. Comment
  CAS-BOT-BC18350  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54180 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  JEPS106134  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11172 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  JEPS101186  Carex amplifolia Dean W. Taylor 2000-9-14 17590 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  CAS-BOT-BC17942  Carex angustata John Thomas Howell 1976-7-15 51850 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CAS-BOT-BC17944  Carex angustata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1506 Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir. 1097 Comment
  CHSC109725  Carex angustata B. Castro 2005-10-20 1526 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). 1719 Comment
  CHSC55552  Carex angustata L. P. Janeway 1990-7-11 3788 Plumas Plumas National Forest. About 1/4 mi east of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  CHSC97224  Carex angustata Lowell Ahart; Josephine Guardino 2007-7-21 14387 Plumas About 40 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
  CHSC97254  Carex angustata Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14475 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS107598  Carex angustata Lowell Ahart, Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC40270  Carex athrostachya Lowell Ahart 1985-7-3 5099 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC81166  Carex athrostachya Lowell Ahart 2001-8-28 9194 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  RSA189376  Carex athrostachya L. S. Rose 1967-7-9 67143 Plumas Quincy. 1037 Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  CHSC55554  Carex aurea L. P. Janeway 1990-7-11 3789 Plumas Plumas National Forest. About 1/4 mi east of Fremont Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  CAS-BOT-BC19523  Carex bolanderi John Thomas Howell 1960-7-17 35491 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  SEINET10949872  Carex bolanderi Lewis S. Rose 1939-6-8 Rose 39271 A Plumas South end of Lake Almanor. 1372 Comment
  CAS-BOT-BC19623  Carex brainerdii Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1783 Plumas The Butterfly Botanical Area and Vicinity. Trestle Glen. 1112 Comment
  CAS-BOT-BC19633  Carex brainerdii John Thomas Howell 1951-6-28 27726 Plumas Eureka Lake. 1889 Comment
  CHSC53569  Carex brainerdii L. P. Janeway 1987-5-28 2103 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  CHSC87858  Carex brainerdii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east 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
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  RSA201329  Carex brainerdii J. T. Howell 1960-7-22 35912 Plumas Drakesbad. Devils kitchen 1677 Comment
  CAS-BOT-BC19641  Carex brainerdii L. P. Janeway 1990-7-3 3759 Plumas Plumas National Forest. Beckwourth Ranger District. 1874 Comment
  SEINET10752412  Carex brainerdii Lewis S. Rose 1969-6-23 Rose 69043 Plumas 8 mi, SW of Quincy. La Porte Road. 1311 Comment
  SEINET10945876  Carex brainerdii David Castaner 1989-6-18 Castaner 10222 Plumas West of Lake Almano. Along highway 89. Two miles east Tehama county line. Comment
  UC2015884  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Snake Lake, about 4 miles northwest of Quincy. Comment
  RSA88583  Carex douglasii L. S. Rose 1954-5-30 54063 Plumas Johnsville 1601 Comment
  CAS-BOT-BC20080  Carex echinata John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester. 1889 Comment
  CAS-BOT-BC65491  Carex echinata subsp. echinata L. P. Janeway 1995-7-23 4872 Plumas Meadow at head of western branch of Stag Creek; along road 22N80Y; 0.1 mi N of road 22N72; about 0.3 mi SSE of Table Mtn 1755 Comment
  CDA17778  Carex feta G. D. Barbe, T. C. Fuller 1982-6-14 3689 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 Comment
  CAS-BOT-BC20692  Carex fracta John Thomas Howell 1960-7-17 35496 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  SEINET11635250  Carex fracta L. P. Janeway 1989-1 3483 Plumas Plumas NF, along Jackson Cr, rd 23N11, 2.3 mi from hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr 1783 Comment
  CHSC55556  Carex heteroneura var. heteroneura L. P. Janeway 1990-6-27 3733 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  CHSC63483  Carex heteroneura var. heteroneura Lowell Ahart 1994-7-22 7503 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. Near county line with Sierra County. 1981 Comment
  JEPS117655  Carex hoodii Lowell Ahart 2010-7-27 16925 Plumas On the south side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  CAS-BOT-BC28079  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Mt. Ingalls quad, ca 100 ft W of Paradise Cr and ca 1/2 mi S of Little Grizzly Cr. 1859 Comment
  RSA95483  Carex hoodii L. S. Rose 1954-5-30 54065 Plumas Johnsville 1601 Comment
  JEPS87741  Carex integra Lowell Ahart 1994-6-15 7343 Plumas near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 200 yards e of a logging road, about 1 mile (air) w of Little Grass Valley Reservoir) 1767 Comment
  CAS-BOT-BC35508  Carex jonesii John Thomas Howell 1959-9-23 s.n. Plumas 3 mi. from Juniper Lake on road to Chester 1889 Comment
  CHSC108089  Carex laeviculmis Lowell Ahart 2011-9-17 17657 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC42689  Carex laeviculmis L. P. Janeway 1987-6-20 2282 Plumas Ravine on N side of South Branch Middle Fork Feather River below Whiskey Hill. 1158 Comment
  CHSC50433  Carex lasiocarpa Vernon Oswald 1990-6-22 4314 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. On the north side of the lake. 1767 Comment
  CHSC100343  Carex lenticularis var. impressa Lowell Ahart 2008-8-14 15204 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. 1600 Comment
  CHSC58527  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5040 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC97616  Carex lenticularis var. lipocarpa Lowell Ahart; John Dittes 2007-6-17 14198 Plumas On wet soil, along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS104612  Carex lenticularis var. lipocarpa Lowell Ahart 2003-7-18 10431 Plumas In a drainage, in a meadow, ca 150 yd south of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1730 Comment
  SEINET3450855  Carex lenticularis var. lipocarpa Unknown 2003-7-18 10431 Plumas La Porte, La Porte, about 5 air miles northwest to Little Grass Valley Reservoir dam, about 2 air miles northwest to Tamarack Flat,, about 1 mile southeast to Lumpkin Ridge Road, about 0.75 miles west, 150 yards south of the road 1730 Comment
  CAS-BOT-BC28513  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-10 44041 Plumas Quail Lake, 3 mi W of Chambers Lodge. Lake Tahoe 2133 Comment
  CAS-BOT-BC31641  Carex luzulina var. ablata Walter Knight; Irja Knight 1966-6-18 1345 Plumas butterfly Valley. 1036 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CDA17786  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3743 Plumas Plumas National Forest; 2.1 miles NE of junction with road to Red Hill Summit, Plumas National Forest. 1524 Comment
  UCD108022  Carex multicostata Tim Kuhn 2006-6-28 67 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC32230  Carex multicostata L. P. Janeway 1990-7-2 3749 Plumas Mt. Ingalls quad. Ca 100 ft W of Paradise Cr. and ca 1/3 mi S of Little Grizzly Cr. 1828 Comment
  CHSC105963  Carex nebrascensis Lowell Ahart 2010-9-9 17144 Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC46999  Carex nebrascensis L. P. Janeway 1984-7-13 905 Plumas Southwest of Bucks Lake, near Grizzly Cr campground. 1584 Comment
  CHSC47009  Carex nebrascensis L. P. Janeway 1989-7-25 3527 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.1 mi N of Beckwourth. 1752 Comment
  CHSC47082  Carex nebrascensis L. P. Janeway 1989-7-25 3530 Plumas Plumas National Forest. Along Red Clover Cr in Red Clover Valley at crossing of rd 25N05; near Beckwourth-Genesee Rd (rd 111) 15.7 mi from Beckwourth. 1645 Comment
  CHSC76817  Carex nebrascensis G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3323 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between road and Lights Creek. 1341 Comment
  CAS-BOT-BC119861  Carex nebrascensis M. S. Taylor 1982-6-14 4658 Plumas Antelope Lake quad. In wet Pioneer Meadow, E side of Antelope Lake, 1536 Comment
  CHSC47010  Carex nervina L. P. Janeway 1989-8-4 3555 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  CHSC88003  Carex nervina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along the edges of a very small stream, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  SEINET11182694 Image available Carex nervina Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10535 Plumas ca. 14 mi WSW of village of Almanor, down road from Humboldt Road (county route 308). 1777 Comment
  CHSC46043  Carex nudata L. P. Janeway 1987-5-28 2105 Plumas At edge of Indian Cr, 2.0 mi NE on hwy 89 from hwy 70. 914 Comment
  CAS-BOT-BC119293  Carex occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54397 Plumas Meadow and meadow borders, 0.3 mi SW of Bucks Summit on road to Bucks Lake. 1645 Comment
  CHSC115872  Carex pachycarpa Peter F. Zika 2013-6-28 26288 Plumas Near trailhead to Frazier Falls, FS Road 501, 4.2 road miles S of junction with Route 24, 2.0 air km WNW of Mills Peak; northern High Sierra Nevada. 1885 Comment
  CAS-BOT-BC119193  Carex pachystachya D. A. McMillan 1913-6-1 1 Plumas Harding Meadow. Comment
  CAS-BOT-BC118134  Carex rossii John Thomas Howell; R. C. Barneby 1954-5-14 29560 Plumas 11 mi NW of Blairsden Comment
  CHSC53661  Carex rossii L. P. Janeway 1989-6-8 3273 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) at upper end of Jackson Cr campground. 1386 Comment
  CHSC116388  Carex scopulorum var. bracteosa Sara M. Taylor; Scott Batiuk 2012-9-13 77 Plumas Plumas National Forest. Line Springs. From Silver Lake parking area, follow trail up Granite Gap to Pacific Crest Trail. Follow trail north approx. 1.5 km, then bushwack west for approximately 0.5 km. UTM zone 10, 4423596 N, 657038E. 2028 Comment
  CHSC76251  Carex sheldonii G. L. Ponting 1999-8-28 Plumas About 1.5 mi west-southwest of Portola. South of the railroad tracks on hummocks in seasonally wet meadow. 1487 Comment
  JEPS102234  Carex sheldonii L. P. Janeway 1997-5-28 5134 Plumas 1.3 mi west-northwest of Blairsden; meadow terrace between Little Bear Road and Middle Fork Feather River. 1316 Comment
  CHSC47340  Carex simulata L. P. Janeway 1989-6-15 3317 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CAS-BOT-BC20694  Carex specifica John Thomas Howell 1960-7-22 35909 Plumas Lassen Volcanic National Park. Devils Kitchen to Drakesbad. 1828 Comment
  JEPS115921  Carex specifica Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16207 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  RSA60016  Carex spectabilis E. K. Balls 1950-9-1 15598 Plumas East of Long Lake, on slopes south of meadow leading to 2 smaller lakes. 2104 Comment
  CHSC53548  Carex stipata var. stipata Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  UC1133464  Carex straminiformis L. S. Smith 1927-8-10 2173 A Plumas Gold Valley drainage Tahoe <National Forest>, Downieville Quadrangle 2346 Comment
  CHSC101843  Carex subfusca Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15893 Plumas About 200 yards northwest of Lake Almanor Dam, in a mined over area. 1421 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
  JEPS107615  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  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-BC115414  Carex utriculata L. P. Janeway 1991-8-4 4128 Plumas Meadow along Road 111 (Beckwourth-Genesse Rd) 1.1 mi W of road to Bagley Pass. 1691 Comment
  CHSC89721  Carex utriculata L. P. Janeway; Robert F. C. Naczi 2004-7-24 8188 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
  CHSC116391  Carex utriculata Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 407 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  CHSC117728  Carex utriculata Lowell Ahart 2016-8-30 21324 Plumas On the southeast side 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
  JEPS28348  Carex utriculata George W. Gillett 1957-7-18 837 Plumas marsh on n end of Willow Lake Lassen Volcanic National Park, Willow Lake 1661 Comment
  CHSC78731  Carex vesicaria L. P. Janeway 2000-7-7 6898 Plumas Northern High Sierra Nevada. Marsh on west side of Smith Lake - enlarged by beaver activity. 1247 Comment
  CAS-BOT-BC115151  Carex vesicaria Lowell Ahart 1985-7-11 5124 Plumas Little Grass Valley Reservoir, where the S Fork of the Feather River flows into the Lake, 1584 Comment
  UC1755302  Carex whitneyi Dean W. Taylor 2006-6-29 19555 b Plumas Keddie Ridge; meadow just E of Second Water Trough (ca. 1 mile W of Hauns Meadow along County Road 201) 1432 Comment
  CAS-BOT-BC249370  Castilleja applegatei Robert J. Weatherby 1955-7-26 1663 Plumas Upper end of Three Lakes Trail, near Spanish Peak 2072 Comment
  CDA15900  Castilleja applegatei B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; About headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC249717  Castilleja applegatei subsp. pinetorum Milo S. Baker 1926-9-2 335 b-'26 Plumas Lee's Camp Comment
  CAS-BOT-BC249730  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-6-21 4705 Plumas Ca. 1/4 mi w of Eureka Ridge Rd (23N09), ca. 3/4 mi w of White Cap, ca. 3 air mi sw of Sloat 1767 Comment
  JEPS81447  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-5-7 4421 Plumas 0.8 mi n Crystal Peak/Adams Peark road junction (e side of 24N51X, ca 7 air mi n of Chilcook, on ridge e of Frenchman Lake); Frenchman Lake Quad. 1889 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
  RSA101393  Castilleja applegatei subsp. pinetorum R. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  SD46675  Castilleja applegatei subsp. pinetorum Robert J. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar Trail, Middle Fork Feather River 1524 Comment
  UC1075741  Castilleja arachnoidea Robert J. Weatherby 1955-7-26 1659 Plumas near Spanish Peak Lookout 2164 Comment
  CHSC20833  Castilleja lacera K. R. Stern 1975-7-23 5817 Plumas NW shore of Lake Almanor. 1371 Comment
  UCD19569  Castilleja lacera Gerald Dickinson 1963-7-1 64 Plumas in flat, grassy area along Hwy. 89. Seven miles NW of Canyon Dam. 1097 Comment
  CAS-BOT-BC254000  Castilleja miniata E. K. Balls 1950-9-1 15668 Plumas east of Long Lake in meadow sloping to 2 smaller lakes (Helgamite Pont?) 2133 Comment
  CAS-BOT-BC254061  Castilleja miniata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  JEPS80630  Castilleja miniata M. S. Taylor 1981-7-17 4023 Plumas ca 6 air mi s Mohawk (within 0.25 mi of Bear Lakes trailhead); Sierra City NW Quad., Lakes Basin 1950 Comment
  JEPS80887  Castilleja miniata M. S. Taylor 1981-8-20 4231 Plumas ca 2 mi se Canyon Dam (s side of Fox Rd (27N92) at jct with creek); Almanor NE Quad. 1676 Comment
  CHSC102002  Castilleja miniata subsp. miniata L. P. Janeway; B. Castro 2009-8-29 9933 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CHSC66707  Castilleja miniata subsp. miniata Vernon H. Oswald; Lowell Ahart 1996-8-1 8141 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  JEPS124140  Castilleja miniata subsp. miniata Lowell Ahart, John Deurloo 2015-8-25 20523 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  UCSB19785  Castilleja miniata subsp. miniata Myrick, Donald 1964-7-21 Plumas Meadow at Drakesbad, Lassen Volcanic National Park 1737 Comment
  CHSC43561  Castilleja tenuis Lowell Ahart 1970-6-25 56 Plumas About 1/2 mile east of the Feather Fork Mine, about 6 miles north of La Porte. 1828 Comment
  CHSC43565  Castilleja tenuis Lowell Ahart 1979-7-18 1985 Plumas In a small meadow, along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  SEINET14173695  Castilleja tenuis A. A. Heller, P. B. Kennedy 1907-7-6 8757 Plumas Red Clover Valley. Comment
  UCR270599  Caulanthus amplexicaulis John F. Emmel 2002-5-20 1755 Plumas North Fork Feather River, Queen Lily Campground, near Belden 732 Comment
  CDA13392  Ceanothus X lorenzenii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13241 Plumas Sierra Nevada; Side of access road along Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC48612  Ceanothus cordulatus John Thomas Howell; Gordon H. True 1967-7-11 43315 Plumas Coniferous forest about 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC48614  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas in the forest east of Chester 1310 Comment
  CAS-BOT-BC48616  Ceanothus cordulatus M. B. Kildale 1926-9-11 2727 Plumas Juniper Lake 2054 Comment
  POM253289  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas E of Chester. 1311 Comment
  CAS-BOT-BC126820  Ceanothus cuneatus C. L. Schmidt 1988-7-15 1226 Plumas Red Hill, up Rush Creek Road, ca. 9.4 miles SW of Paxton on US Hwy. 70 1260 Comment
  CAS-BOT-BC49178  Ceanothus cuneatus Mary Strong Clemens 1920-6-7 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC49181  Ceanothus cuneatus John Thomas Howell 1951-6-26 27549 Plumas Feather River Canyon 853 Comment
  RSA712416  Ceanothus cuneatus C. L. schmidt 1988-7-15 1224 Plumas Red Hill, up Rush Creek road, 9.4 miles SW of Paxton on Hwy 70. 1260 Comment
  CAS-BOT-BC50728  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2152 Plumas Butterfly Botanical Area and Vicinity - Beargrass Glade 1127 Comment
  CAS-BOT-BC50731  Ceanothus integerrimus John Thomas Howell; Gordon H. True 1969-6-23 45803 Plumas Sierra Nevada - 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  CAS-BOT-BC50764  Ceanothus integerrimus C. R. Quick 1947-7-30 47 -69 Plumas Bit Bar Mt. 1249 Comment
  CAS-BOT-BC50766  Ceanothus integerrimus Thomas H. Kearney 1944-8-14 83 Plumas Near Prattville, Lake Almanor Comment
  RSA599856  Ceanothus integerrimus Louis C. Wheeler 1959-7-16 7581 Plumas Butterfly Creek : Butterfly Mine. Comment
  CAS-BOT-BC63365  Ceanothus prostratus Saichi Kawahara 1968-5-5 409 Plumas Highway 89, 3 mi. se. of Highway 36. 1402 Comment
  RSA0011257  Ceanothus prostratus R. M. Austin 1879-1 s.n. Plumas Big Meadow Comment
  CAS-BOT-BC63188  Ceanothus velutinus var. velutinus A. A. Heller 1915-7-7 12069 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 mi. w. of Bucks in the forest. 1676 Comment
  CDA7012  Centaurea babylonica F. H. Surber 1972-8-7 Plumas County Hospital, Quincy. 0 Comment
  CDA18992  Centaurea diffusa Jerry Hustafa 2000-9-14 PDR 1193561 Plumas Sierra Nevada; Along Hwy 70 right of way in the vicinity of Quincy. 0 Comment
  CAS-BOT-BC277040  Centaurea maculosa W. Harnach; N. Harnach 1991-7-30 662 Plumas Sierra Valley. Approx 100 yards north of the turnoff to the Westside Cem. on A-23 1493 Comment
  CHSC45652  Centaurea stoebe subsp. micranthos Vernon Oswald 1986-7-22 2221 Plumas Hwy 36 at about the center of the causeway at Lake Almanor e of Chester, 9.6 mi e of the Tehama-Plumas County line. Edge of highway. 1379 Comment
  CAS-BOT-BC384936  Cerastium arvense John Thomas Howell; Gordon H. True 1967-5-9 42211 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  HSC4092  Cerastium arvense Jim Vaughn 1956-8-1 Plumas Mt. Lassen NP, Drakesbad 1738 Comment
  UC726321  Cerastium arvense A. A. Heller 1942-5-8 16452 Plumas 3 mi. w. Belden Comment
  CHSC44145  Ceratophyllum demersum V. Oswald; L. Ahart 1988-8-4 3674 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of the lake. 1676 Comment
  RSA52919  Ceratophyllum demersum R. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain. Chain Bar Resort. Comment
  SEINET10474160  Chaenactis douglasii Mary Susan Taylor 1982-6-28 Taylor 4763 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
  CHSC57119  Chaenactis douglasii var. douglasii L. P. Janeway 1991-8-4 4133 Plumas Plumas National Forest. Along Beckwourth-to-Laufman Road (near district boundary) on the west side of Dixie Creek. 1676 Comment
  CAS-BOT-BC276731  Chaenactis douglasii var. douglasii Arthur C. Barrett 1915-7-10 209 Plumas Lone Rock Valley Comment
  RSA739638  Chaenactis douglasii var. douglasii B. Castro, L. P. Janeway, David Toren 2005-8-20 1512 Plumas 10 air miles NE of Paradise, 1.5 miles NW of N Fork Feather River on ridge betw Lockerman and Cedar Creeks. 1122 Comment
  CHSC84419  Chamaesaracha nana Lowell Ahart 2003-9-7 10559 Plumas On the east side of the dirt road, about 50 yards north of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  CHSC93082  Chamaesaracha nana L. P. Janeway 1994-7-8 4688 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  CHSC97539  Chamaesaracha nana Lowell Ahart; John Dittes 2007-6-16 14135 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS115529  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart, John Dittes 2009-9-7 16381 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC61658  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1993-8-25 5863 Plumas North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On a cliff on the E side of the creek. 1987 Comment
  JEPS113424  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
  UC1122495  Chamerion angustifolium subsp. circumvagum G. T. Nordstrom 1934-7-2 174 Plumas 1 1/2 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC586939  Chamerion angustifolium subsp. circumvagum Joseph Andorfer Ewan 1934-7-25 8222 Plumas Gold Lake Rd above Dentens (Blairsden); Sierra Nevada 1524 Comment
  CAS-BOT-BC70200  Cheilanthes gracillima Anna Head 1921-7-1 s.n. Plumas Feather River region Comment
  RSA52893  Cheilanthes gracillima R. Weatherby 1950-8-11 1514 Plumas Mount Elwell, Lakes Basin area 2378 Comment
  JEPS4050  Cheilanthes gracillima Roland A. Dede 1950-6-24 2220 Plumas Feather River Canyon Comment
  SEINET11720502  Cheilanthes gracillima R. M. Austin n d s.n. Plumas Crescent Mills Comment
  RSA718528  Chenopodium album L. Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CDA3031  Chenopodium berlandieri var. zschackei J. T. Howell 1955-7-19 30767 Plumas Beckworth. Comment
  UCSB64002  Chenopodium berlandieri var. zschackei Ahart, Lowell 1981-9-6 Plumas Along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills 1097 Comment
  SEINET10937632  Chenopodium pumilio Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5188 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC21126  Chimaphila menziesii F. T. Griggs; A. Pass 1975-7-2 37 Plumas East of road. Buck's Lake. Comment
  CAS-BOT-BC451422  Chimaphila menziesii Alice Eastwood 1927-6-21 14485 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  CAS-BOT-BC452241  Chimaphila umbellata Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC88606  Chimaphila umbellata Linnea Hanson 1987-7-8 118 Plumas Plumas National Forest. Graeagle Creek. 1341 Comment
  HSC100127  Chorispora tenella G. D. Barbe 1981-6-23 3090 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  CHSC56544  Chrysolepis sempervirens L. P. Janeway 1984-7-13 916 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  SEINET7450650 Image available Chrysopsis villosa var. minor W. Harnach, N. Harnach 2000-9-3 1002 Plumas Approx 5 miles SW of Portola on Co. Rd. A-15, Gold Mountain Development along the river trail. 1463 Comment
  SEINET10473442  Chrysothamnus Mary Susan Taylor 1981-8-19 Taylor 4226 Plumas California: T23N R12E se 1/4 of sw 1/4 sec 14. Blue Nose Mt quad. S side of 23N10, 0.5 mi E of its jct with spur road 23N10G, ca. 5 air mi W of Sloat. Plumas County. 5300 ft. 1615 Comment
  RSA60126  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-2 15649 Plumas Mt. Ingalls Lookout, north of Grizzly Valley 2485 Comment
  RSA718506  Chrysothamnus nauseosus subsp. albicaulis L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy. 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch 792 Comment
  SEINET13709818  Chrysothamnus parryi Lowell William Ahart, Lowell William Ahart 2001-1 9186 Plumas 5 Mi. SW of Chester (T28N, R6E, sec 27, NE 1/5) 4600 Ft. 1402 Comment
  CAS-BOT-BC100816  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1975-8-2 20468 Plumas Black Mt. 2133 Comment
  SBBG115945  Chylismia claviformis J. McCaskill 1960-1 465 Plumas Lake Almanor region Comment
  CHSC63487  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas On the sides of a stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CAS-BOT-BC190011  Cinna latifolia John Thomas Howell 1960-7-22 35925 Plumas Lassen Volcanic National Park. Along brook near Devil's Kitchen near Drakesbad. 1828 Comment
  CHSC62765  Circaea alpina subsp. pacifica B. Castro; R. A. Schlising 1987-7-21 159 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  CDA18589  Circaea alpina subsp. pacifica G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3276 Plumas Sierra Nevada; 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade). 1402 Comment
  UC1075738  Circaea alpina subsp. pacifica Robert J. Weatherby 1955-7-21 1654 Plumas Middle Fork Feather R., Bear Creek, 4th. Water 1554 Comment
  CHSC77191  Cirsium andersonii G. Schoolcraft 1997-8-6 Plumas S of Red Rock Lookout, Diamond Mtn. area. Roadside. 1965 Comment
  SD8768  Cirsium andersonii Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  SEINET7451057 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  CAS-BOT-BC278099  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35988 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285543  Cirsium occidentale var. candidissimum E. K. Balls 1950-9-6 15696 Plumas Jackson Creek Public Camp, Middle Fork Feather River, off Hwy 24 east of Quincy 1402 Comment
  CAS-BOT-BC228915  Cistanthe umbellata Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsville on road from Mohawk Comment
  CAS-BOT-BC228917  Cistanthe umbellata Mrs. H. C. Cantelow 1939-5-19 4209 Plumas 6 mi. W. of Buck Lake Comment
  CAS-BOT-BC160921  Clarkia amoena subsp. amoena Henry A. Kloppenburg 1928-5-19 433 Plumas Plumas National Forest. Belden 701 Comment
  RSA122166  Clarkia lassenensis E. Sawyer 1935-6-5 71 Plumas 3.25 miles SE of Beckwith Butte 1585 Comment
  UC1071905  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 749 Plumas 5.2 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  CHSC71146  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-22 4468 Plumas About 1.5 mi west of Meadow Valley; along Big Creek Road (Road 423) 0.1 mi from Oroville-Quincy Hwy. Road cutbank. 1243 Comment
  CHSC89914  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-7-28 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. Located 20-30 feet above the high water mark. 1524 Comment
  RSA108403  Clarkia mildrediae subsp. mildrediae Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 752 Plumas Hwy 24, 7.8 mi. S of Yellow Creek Bridge along Feather River Comment
  SEINET10837680  Clarkia purpurea Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7049 Plumas Yellow pine and douglas fir in plumas ntl forest off hwy 70. 1067 Comment
  CAS-BOT-BC163850  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  POM253258  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the bridge over Indian Creek just north of Quincy 1098 Comment
  CAS-BOT-BC164916  Clarkia rhomboidea Clare B. Hardham 1961-6-15 7389 Plumas North of Quincy. Junction of Indian Creek and Feather River 1219 Comment
  SEINET3260806 Image available Clarkia rhomboidea Lewis S. Rose 1939-6-8 39257 Plumas 11 mi. sw. of Belden, Canyon sides. 610 Comment
  UC1730249  Clarkia rhomboidea L. P. Janeway 1993-6-30 4408 Plumas East Branch North Fork Feather River, along Hwy 70 2.9 mi SW of junction with Hwy 89 868 Comment
  UC1730250  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas across [river] from Paxton (N side of East Branch North Fork Feather River; beginning of dirt road off Hwy 70 0.8 mi W of junction with Hwy 89) 883 Comment
  CAS-BOT-BC165389  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8813 Plumas Prattville Comment
  CHSC66632  Clarkia stellata Vernon H. Oswald; Lowell Ahart 1996-7-15 8019 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a jeep road paralleling the shore of the lake. 1371 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
  UC1422889 Image available Clarkia stellata T. Mosquin 1959-7-2 3332 Plumas Humbug Rd 1.2 mi w junction with Humboldt Road (w of Lake Almanor); Humbug Road, W of Lake Almanor, Plumas Co. Comment
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Mar 30 2008
  JEPS127656  Claytonia Jurriaan M. de Vos 2014-6-4 292 Plumas Plumas NF. Near Little Grass Valley Reservoir shore, ca. 400 m S from boat ramp pf peninsula campground. Comment
  SEINET10572684  Claytonia heterophylla Mary Susan Taylor 1982-8-9 Taylor 4948 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CAS-BOT-BC451740  Claytonia lanceolata Mrs. H. C. Cantelow 1938-7-4 4206 Plumas S. side Soda Creek. Drakesbad Comment
  CAS-BOT-BC439875  Claytonia perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1862 Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir. 1097 Comment
  CAS-BOT-BC439877  Claytonia perfoliata John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2075 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC443635  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1963-6-3 63110 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC443637  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1962-6-18 37766 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC443643  Claytonia perfoliata subsp. perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 1066 Comment
  UCD23350  Claytonia perfoliata subsp. perfoliata E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CAS-BOT-BC443798  Claytonia rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-11 8804 Plumas Prattville Comment
  CHSC34268  Claytonia rubra subsp. rubra M. S. Taylor 1981-5-10 3674 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi ne of Taylorsville. 1536 Comment
  CHSC52528  Claytonia rubra subsp. rubra L. P. Janeway 1990-6-19 3723 Plumas Plumas National Forest. Beckwourth Ranger District. Rattlesnake Compartment. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  UC1136714  Claytonia rubra subsp. rubra E. Sawyer 1935-6-10 93 Plumas 4.75 mi wsw Summit; Sierraville Quad. 1493 Comment
  SEINET5336440  Claytonia rubra subsp. rubra D. Solari 1941-3-30 10 Plumas Sandy soil, S facing bank of Stream. 1615 Comment
  CDA18753  Collinsia parviflora G. D. Barbe, T. C Fuller 1982-7-16 3763 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
  RSA0117244  Collinsia parviflora L. Ahart, John Dittes, Josephine Guardino 2007-6-8 14002 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  UCR80892  Collinsia parviflora G. L. Webster 1992-5-17 7765 Plumas 2 mi SW of Grizzly Valley Dam 1738 Comment
  CHSC35956  Collinsia rattanii M. S. Taylor 1982-5-25 4523 Plumas Along n road embankment of 23N12 in McDermott Ravine, Sloat fire area, ca. 3 mi ne of Sloat. 1402 Comment
  CHSC60144  Collinsia torreyi var. wrightii L. P. Janeway 1992-6-9 4227 Plumas Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. Plumas National Forest. 1897 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
  CHSC97561  Collomia linearis Lowell Ahart; John Dittes 2007-6-17 14160 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SEINET13778165  Collomia linearis A. A. Heller, P. B. Kennedy 1907-7-9 8782 Plumas Prattville Comment
  CHSC46646  Collomia tinctoria Lowell Ahart 1989-7-2 6347 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  CHSC66634  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1996-7-15 8036 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. On the edge of the road crossing the meadow. 1371 Comment
  CHSC89514  Collomia tinctoria G. D. Barbe; T. C. Fuller 1982-6-17 3820 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
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Sep 23 2008
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 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
  CHSC21122  Corallorhiza maculata F. T. Griggs; A. Pass 1975-7-2 25 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  CDA12111  Corallorhiza trifida G. F. Hrusa, J. Dinsdale 1989-6-27 7259 Plumas Sierra Nevada; N shore of Bucks Lake W of Quincy. Comment
  UCSB9596  Cordylanthus tenuis Bacigalupi, Rimo; Sweeney, J. 1953-8-31 Plumas Near junction of road to Oakland Municipal Camp and alif. Highway No. 24 miles north of Quincy Comment
  CDA34136  Cordylanthus tenuis subsp. tenuis L. Ahart, J. Dittes 2009-7-15 16089 Plumas On the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butte Valley Reservoir Dam. Comment
  JEPS115163  Cordylanthus tenuis subsp. tenuis Lowell Ahart, John Dittes 2009-7-15 16089 Plumas On dry rocky soil, open forest, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  JEPS81461  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-10 4229 Plumas ca. 1/2 mi e Long Valley Mine (ca. 4 air mi w of Greenville); Almanor NE quad 1615 Comment
  RSA246643  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42353 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  JEPS87883  Cordylanthus tenuis subsp. viscidus Lowell Ahart 1994-7-28 7529 Plumas southwest of Bucks Lake Frenchman Hill 1706 Comment
  RSA0091948  Cornus nuttallii Bonnie C. Templeton 1968-1 11286 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC210304  Cornus sericea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1517 Plumas Butterfly Botanical Area and Vicinity. Across dam from Pond Reservoir 1092 Comment
  CHSC43343  Cornus sericea subsp. occidentalis Lowell Ahart 1975-7-2 835 Plumas Along the edges of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  SD8285  Corydalis caseana Daniel Cleveland 1882-7-26 Plumas Big Springs, Big Meadows Comment
  CAS-BOT-BC401879  Corydalis caseana subsp. caseana Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC401865  Corydalis caseana subsp. caseana John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50634 Plumas Headwaters of Indian Creek s. of Diamond Mt. 2103 Comment
  CAS-BOT-BC401867  Corydalis caseana subsp. caseana Lloyd W. Swift 1930-8-16 36 Plumas Plumas National Forest. Emigrant Creek, Grizzly Valley 1828 Comment
  CAS-BOT-BC290326  Crepis John Thomas Howell 1962-6-17 37724 Plumas Portola 1463 Comment
  CAS-BOT-BC290455  Crepis acuminata Anna Head 1921-7-9 s.n. Plumas Grassy L. Feather River Region 1920 Comment
  CHSC102071  Crepis acuminata Lowell Ahart; John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  SEINET7837041 Image available Crepis acuminata H. Hamlin s.n. Plumas Sierra Valley Comment
  SEINET7837059 Image available Crepis bakeri W. Harnach, N. Harnach 1990-5-6 277 Plumas Sierra Valley, 2.25 road miles N of Sierra/Plumas Co. lin on A23. 1509 Comment
  JEPS36410  Crepis capillaris W. L. Jepson 1939-8-8 19365 Plumas Meadow Valley Comment
  CAS-BOT-BC291564  Crepis intermedia Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1968-6-11 2366 Plumas Butterfly Botanical ARea, confluence of Spanish Creek and Butterfly Creek, Sierra Nevada Comment
  SEINET7837084 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  UC346558  Crepis intermedia E. B. Babcock 1928-6-15 159 Plumas along rd. about 3 mi below Sloat (a little below old mill) Comment
  RSA641873  Crepis modocensis subsp. subacaulis Michael A. Vincent 1999-6-7 8534 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  SJSU13900  Crepis occidentalis N. A. Hopkins 1986-6-30 1340 Plumas on bald ridge 2377 Comment
  CHSC97152  Crepis occidentalis subsp. occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13986 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CAS-BOT-BC290854  Crepis pleurocarpa Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CHSC107436  Crepis pleurocarpa L. P. Janeway; Peter Zika 2011-8-6 10631 Plumas Northern High Sierra Nevada. Plumas National Forest; on top of the serpentine ridge on southeast side of Quincy-La Porte Road, 1.4 air km northwest of Pilot Peak. 2015 Comment
  RSA107479  Crepis pleurocarpa L. S. Rose 1955-7-20 55156 Plumas Mohawk 1372 Comment
  UC346538  Crepis pleurocarpa E. B. Babcock and M. Navashin 1928-6-23 180 Plumas nr. hwy about 5 mi w Blairsden Comment
  SEINET4565719  Crypsis alopecuroides W. Harnach, N. Harnach 2000-8-2 965 Plumas Sierra Valley, 1.5 miles south of HWY 70 on A-23, 0.25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  SEINET12331903  Cryptantha affinis Unknown 1985-1 5244 Plumas below the high water line of Little Grass Valley Reservoir, where the South Fork of Feather R flows 1585 Comment
  RSA35103  Cryptantha torreyana Thomas H. Kearney 117 Plumas Near Prattville, Lake Almanor Comment
  RSA59422  Cryptantha torreyana E. K. Balls 1950-9-15 15860 Plumas South tip Lake Almanor, near P. G. E. dam, Highway 89. 1372 Comment
  SEINET6225025  Cryptantha torreyana L. S. Rose 1967-1 67157 Plumas 9.0 mi NE of Quincy Jct Comment
  UCD133452  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas Genesee Valley quad. N and NE side of west flank of Wheeler Peak ridge, ca. 5 air mi. NE of Genesee. 1981 Comment
  SEINET10866996  Cupressus bakeri Mary Susan Taylor 1981-8-3 Taylor 4151 Plumas T27N R11E ne 1/4 nw 1/4 sec 26. Kettle Rock quad. Along drainage east of Mud Lake, ca. 0.6 mi ne of Eisenheimer Peak, ca. 10 mi N of Genesse. Tertiary volcanic granite base. 6700 ft. 2042 Comment
  CAS-BOT-BC224381  Cuscuta John Thomas Howell 1962-6-18 s.n. Plumas Northwest part of Sierra Valley 1487 Comment
  JEPS87821  Cuscuta californica Lowell Ahart 1994-7-22 7506 Plumas n of Mount Etna (on the s side of the Pacific Crest Trail, Plumas and Sierra Counties); n of Mount Etna 1981 Comment
  RSA595070  Cuscuta californica J. T. Howell, G. D. Fuller, G. D. Barbe 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville. 1524 Comment
  CHSC74085  Cuscuta californica var. californica B. Castro; L. P. Janeway 1998-8-28 825 Plumas Ca 1 air mi NW of Little Grass Valley Reservoir, at jcn of Lumpkin Ridge Road (USFS Rd 22N27) and Rd 23N94, on N side of intersection. 1737 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
  SBBG119743  Cuscuta subinclusa L. Ahart 2006-9-21 13342 Plumas S side of Bucks Lake Rd, S of the spring at Bucks Summit, ca. 3 mi NE of Bucks Lake 1516 Comment
  RSA739641  Cycladenia humilis B. Castro, L. P. Janeway 2005-9-11 1523 Plumas 5 air miles N of Bucks Lake and 3 miles S of Hwy 70 and the Feather River Canyon, 0.4 air miles W of Three Lakes. 1723 Comment
  SD7704  Cycladenia humilis var. humilis R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC82528  Cymopterus terebinthinus var. californicus L. P. Janeway 2001-7-3 7269 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CDA13932  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1997-5-3 13857 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  SEINET10467144  Cyperus aristatus Mary Susan Taylor 1982-9-13 Taylor 5138 A Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  SEINET7582372 Image available Cyperus niger Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass. Comment
  CAS-BOT-BC114131  Cyperus squarrosus John Thomas Howell 1926-7-26 2125 Plumas Near Prattville. 1371 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
  JEPS95160  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of North Fork Feather River, at elevated siphon); Caribou Road, North Fork Feather River 731 Comment
  CAS-BOT-BC133730  Cypripedium californicum Lee W. Lenz 1954-6-8 19136 Plumas Field redacted by CAS, contact the data manager for more information Comment
  UC186335  Cypripedium fasciculatum Mrs. Austin August, 1882 Plumas Comment
  UC336579  Cypripedium fasciculatum Mrs. Austin Plumas Indian Valley Comment
  CAS-BOT-BC70673  Cystopteris fragilis John Thomas Howell 1962-6-16 37638 Plumas Lewisia Rock, Feather River North Fork 640 Comment
  JEPS118688  Cytisus scoparius L. P. Janeway 2011-8-23 10667 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.8 road km east of Road 22N60; 2.5 air km east-northeast of the northeast corner of Little Grass Valley Reservoir. Onion Valley 7.5' quad. Comment
  CHSC102379  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16132 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  JEPS103582  Dactylis glomerata Lowell Ahart 2002-7-2 9831 Plumas On the N side of Forest Road 22N94, ca 50 yards W of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1583 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-BC186624  Danthonia californica John Thomas Howell 1962-6-17 37686 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC189666  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1653 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  UC718005  Danthonia californica var. americana David D. Keck 1944-7-8 5440 Plumas Lake Almanor; s end, e side of dam 1341 Comment
  UCD60679  Danthonia californica var. americana John Thomas Howell 1960-7-22 35888 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA422677  Darlingtonia californica Robert Gustafson 1984-5-15 2948 Plumas Butterfly Botanical Area, 7 miles NW of Quincy, W of Hwy 89. 1037 Comment
  UCD119068  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PGE wire between dirt rd and Feather River, in seep on slope ca. 1/4 mi n of Dutch Creek, ca. 1/2 mi ne of Twain. 853 Comment
  SEINET12007450  Darlingtonia californica C. C. Parry, Lemmon, J. G. 1876-1 s.n. Plumas Butterfly Valley, N.E. California Comment
  CAS-BOT-BC8924  Delphinium depauperatum Walter Knight; Irja Knight 1966-6-19 2275 Plumas Butterfly Botanical Area Comment
  SD46534  Delphinium depauperatum Robert J. Weatherby 1955-7-2 1574 Plumas Creek below Bear Ridge, near Taylor Lake 1981 Comment
  CAS-BOT-BC8781  Delphinium gracilentum Ella D. Cantelow 1942-5-11 3607 Plumas 3 miles west of Belden, Feather River Canyon Comment
  CAS-BOT-BC8782  Delphinium gracilentum E. K. Balls; L. W. Lenz 1955-5-13 20702 Plumas Above Camp Rogers along trail to Bucks Lake 655 Comment
  CHSC61606  Delphinium hesperium Arthur O. Barrett 1915-6-27 1 Plumas Plumas Forest. Indian Creek. 1645 Comment
  UC176192  Delphinium nudicaule A. A. Heller 1913-6-13 10836 Plumas near Marston Station 1066 Comment
  RSA641464  Delphinium nudicaule Michael A. Vincent 1999-6-8 8547 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  UC170922  Delphinium nudicaule H. M. Hall 1912-6-19 9263 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  CAS-BOT-BC116475  Delphinium nuttallianum A. A. Heller; P. B. Kennedy 1907-7-3 8702 Plumas Hills above Red Clover valley Comment
  CHSC45507  Delphinium nuttallianum Lowell Ahart 1977-6-20 1432 Plumas About 1/2 mile north-east of Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  CAS-BOT-BC116106  Delphinium nuttallianum A. A. Heller 1940-5-22 15660 Plumas Near the Feather River just west of Chester 1304 Comment
  CAS-BOT-BC116112  Delphinium nuttallianum Alice Eastwood 1927-6-27 14889 Plumas United States Forest Reserve, in woods on road from Chilcott (sic) Comment
  SD243406  Delphinium nuttallianum G. Douglas Barbe, T. C. Fuller 1982-6-15 3705 Plumas 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
  UCD148990  Delphinium nuttallianum G. Douglas Barbe; T. C. Fuller and J. T. Howell 1981-6-24 3259 Plumas 1.4 miles below (southeast of) Mt. Hough summit on Mt. Hough-Crystal Lake Road. 1950 Comment
  SEINET10448456  Dentaria tenella var. palmata Mary Susan Taylor 1981-6-17 Taylor 3923 Plumas T25N R12E center sec 27. Grizzly Valley quad. jct Meadow Creek and rd 25N10, E side of Mt Ingalls, ca. 8 air mi NE of Genesee. 7500 ft elev. 2286 Comment
  CHSC65878  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1995-10-11 4938 Plumas Lakes Basin. 0.3 mi north-northwest of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. Meadow drainage. 1923 Comment
  UC1024668  Deschampsia cespitosa subsp. cespitosa Leo Whitney 1934-8-10 2181 Plumas ca. 9 mi. n.w. Portola (Freeman Creek, n.w. end of Big Grizzley Valley, Plumas Nat'l Forest); Plumas Nat'l Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CAS-BOT-BC198164  Deschampsia danthonioides K. Groneck 1976-7-1 101 Plumas Sierra Valley Marsh - Sierra Nevada 1524 Comment
  CHSC101863  Deschampsia danthonioides Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15897 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area. 1421 Comment
  UC790983  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas w. side Lake Almanor 1828 Comment
  UCR66616  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  CDA13373  Deschampsia elongata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13222 Plumas Sierra Nevada; Disturbed, moist base of roadcut ditch. Plants in full sun, larger than usual. E side of Sloat Rd. at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Perennial. Comment
  CHSC91947  Deschampsia elongata Lowell Ahart; Josephine Guardino 2005-8-9 12275 Plumas 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
  JEPS28314  Deschampsia elongata George W. Gillett 1957-7-17 801 Plumas near e. inlet to Willow Lake 1661 Comment
  UCD107940  Deschampsia elongata Tim Kuhn 2006-6-20 55 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC43083  Descurainia longipedicellata John Thomas Howell 1962-6-18 37813 Plumas Sierra Nevada. Sierra Valley 5 miles south of Beckwourth. 1493 Comment
  CHSC36944  Descurainia pinnata M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC43271  Descurainia pinnata subsp. glabra M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at junction of Grizzly Creek and Feather River, ca. 2 miles west of Beckwourth. 1487 Comment
  CHSC111843  Dicentra pauciflora L. P. Janeway 2014-5-7 11242 Plumas Northern High Sierra Nevada. Plumas National Forest; east edge of Granite Basin; just above Buckhorn Creek, just up from the 18 Road (23N18) crossing; 2.4 air-km southwest of top of Red Mountain. 1610 Comment
  JEPS87767  Dicentra pauciflora Lowell Ahart 1994-6-12 7318 Plumas about 1.25 air mi s Bucks Lake (near Cedar Flat, on w side of Faggs Mine Road, sw of a small branch of Willow Creek) 1706 Comment
  SEINET10839078  Dicentra uniflora Lowell Ahart, Peter Ahart 1983-6-28 Ahart 4169 Plumas On the high banks of the South Fork of the Feather River, a little sw of the Feather Frok Mine, ca. 1.5 mi ne of Little Grass Valley Reserv., ca. 5.5 mi n of La Porte. Red Fir Forest. 1750 Comment
  JEPS70588 Image available Dichanthelium acuminatum subsp. thermale W. L. Jepson 1910-6-6 4082 Plumas Devil's Kitchen; Hot Springs Valley; Devil's Kitchen, Hot Springs Valley, Plumas Co. 1889 Comment
  CAS-BOT-BC502670  Dichelostemma multiflorum Walter Knight; Irja Knight 1966-6-18 1305 Plumas Butterfly Valley 1143 Comment
  RSA0112642  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 miles west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  CAS-BOT-BC290981  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. line 1463 Comment
  CAS-BOT-BC151747  Diplacus kelloggii Wayne Dakan 1979-1-1 s.n. Plumas N fork of Feather River - Sierra Nevada Comment
  CAS-BOT-BC151825  Diplacus mephiticus Clare B. Hardham 1970-8-9 17704 D Plumas Thompson Peak, ca. 23 miles northeast of Greenville 2346 Comment
  CHSC21208  Diplacus mephiticus F. T. Griggs; A. Pass 1975-7-11 162 Plumas Buck's Lake Forest Service Survey. Comment
  RSA0037138  Diplacus mephiticus L. P. Janeway 2014-7-30 11566 Plumas Northern High Sierra Nevada. Plumas National Forest; 2.3 air-mi north of the Little Grass Valley Reservoir dam; near top of ridge above Road 22N27 0.6 km north of the major junction with the 94 road. 1765 Comment
  CHSC1797  Diplacus pygmaeus V. Holt 1932-5-29 Plumas Flats near Lake Almanor. 1310 Comment
  CHSC89535  Diplacus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas On N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  CAS-BOT-BC151258  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River 1615 Comment
  SD46737  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near middle Fork Feather River 1615 Comment
  UC105773  Dodecatheon alpinum Mrs. R. M. Austin July 1896 376 Plumas Lassens Peak Comment
  UC131883  Downingia bacigalupii Mrs. A. L. Coombs 1902-7-7 Plumas Prattville Comment
  UC117775  Draba aureola Mrs. R. M. Austin 1882-8-5 Plumas near the base Lassen's Peak (on the banks of Dutch Hill Ditch); near base Lassen's Peak, banks Dutch Hill Ditch Comment
  CHSC10630  Draba verna Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  RSA189431  Draba verna L. S. Rose 1967-5-6 67059 Plumas Quincy. 1043 Comment
  UC1124236  Draperia systyla G. T. Nordstrom 1934-7-20 243 Plumas 0.5 mi NW of Edmanton; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  CAS-BOT-BC401587  Drosera rotundifolia Lewis S. Rose 1963-6-3 63094 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1158 Comment
  CHSC21539  Drosera rotundifolia L. Mayer; D. Brink 1975-7-25 Plumas Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  CHSC582  Drosera rotundifolia W. Struve 1962-8-29 Plumas Flats east of Chester. ... Field redacted by CHSC, contact the data manager for more information 1402 Comment
  CAS-BOT-BC401585  Drosera rotundifolia John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2389 Plumas In Butterfly Valley Comment
  SD46715  Drosera rotundifolia Robert J. Weatherby 1950-7-21 1482 Plumas Quincy district, Butterfly Lake 1220 Comment
  CAS-BOT-BC159676  Drymocallis glandulosa J. D. Schoeller 1928-7-16 380 Plumas Mt. Hough 1/2 mi. W Crystal Lake - Plumas National Forest Comment
  HSC18761  Drymocallis glandulosa W. R. Rogers 1966-8-3 216 Plumas 1677 Comment
  CAS-BOT-BC159311  Drymocallis lactea var. lactea Alice Eastwood 1918-5-25 6985 Plumas Portola Comment
  CAS-BOT-BC159303  Drymocallis lactea var. lactea W. M. Hiesey 1941-11-8 449 Plumas Mineral, at Mineral Lodge 1524 Comment
  RSA0035342  Dysphania botrys Lowell Ahart 2012-9-5 18447 Plumas Road edge where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southeast of Pilot Peak, abou 8 1/4 miles (air) northwest of La Porte. 1828 Comment
  SD175811  Dysphania botrys D. G. Kelch, Alan Smith, et al. 2006-6-20 06 277 Plumas On route 70 west of Storrie. 548 Comment
  SEINET3156672  Dysphania carinata E. K. Balls 1950-9-14 15833 Plumas North Fork Feather River, 6 miles NW of Chester 1402 Comment
  JEPS122116  Elatine Lowell Ahart 2014-8-26 19764 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC113704  Eleocharis acicularis Lowell Ahart 1980-10-6 2668 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  CDA33193  Eleocharis acicularis var. occidentalis L. Ahart 2001-8-28 9195 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester Comment
  CAS-BOT-BC113509  Eleocharis bella John Thomas Howell 1960-7-19 35706 Plumas Wet meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC113459  Eleocharis bella Clarence Roy Quick 1945-7-25 45 -70 Plumas Bud Creek on rd toward Humbug Valley. Comment
  CAS-BOT-BC113388  Eleocharis engelmannii Lowell Ahart 1980-10-6 2677 Plumas Ca. 1 mi S of La Porte. 1600 Comment
  CDA33184  Eleocharis engelmannii L. P. Janeway 2001-7-25 7388 Plumas High Cascade Range; Southwest side of Lake Almanor, below high water line, about 100 meters out; near Highway 89 2.3 km north-northwest of Almanor West Road. Comment
  JEPS102764  Eleocharis engelmannii Lowell Ahart 2001-8-28 9197 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS104608  Eleocharis engelmannii Lowell Ahart 2003-7-18 10427 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
  UC1028646  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas N edge of Taylorsville 1066 Comment
  RSA98704  Eleocharis obtusa var. engelmannii Clarence R. Quick 1952-9-5 52 -305 Plumas Northwest of Almanor Comment
  UCD20955  Eleocharis palustris E. Bortiri 2002-6-1 WFC 3 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Plumas Co. Comment
  CAS-BOT-BC112021  Eleocharis suksdorfiana Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1871 Plumas In wet area in Butterfly Valley proper. Comment
  CAS-BOT-BC112041  Eleocharis torticulmis L. P. Janeway; B. Castro 2000-7-3 6876 Plumas Head of small drainage to East Branch North Fork Feather River from the southeast, 1189 Comment
  UC1561236  Elodea canadensis Barbara Ertter 1988-10-21 7998 Plumas 1.5 mi e Chester (e end of causeway, on Hwy 36, submerged in Lake Almanor, s of road); Lake Almanor 1341 Comment
  SEINET10558291  Elymus cinereus Frederick J. Hermann 1955-7-27 Hermann 11944 Plumas Sage brush - rabbit brush plain along highway, 3 1/2 miles S. Vinton. Comment
  CAS-BOT-BC227599  Elymus elymoides John Thomas Howell 1962-6-19 37884 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC227728  Elymus elymoides Lowell Ahart 1977-7-9 1506 Plumas 6 miles north of La Porte 1800 Comment
  CHSC53725  Elymus elymoides subsp. californicus L. P. Janeway 1989-7-7 3466 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. 1706 Comment
  CHSC87983  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11162 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS76228  Elymus elymoides subsp. elymoides W. L. Jepson 1939-8-12 19389 Plumas Ferris Creek; branch of Last Chance Creek 1767 Comment
  UC1146625  Elymus glaucus Freed W. Hoffman 1946-6-9 1810 Plumas Lake Almanor Comment
  CAS-BOT-BC206519  Elymus glaucus subsp. glaucus John Thomas Howell 1962-6-17 37688 Plumas Butterfly Valley - Sierra Nevada 1036 Comment
  CAS-BOT-BC206524  Elymus glaucus subsp. glaucus Javier Penalosa 1962-6-19 2492 Plumas Hwy. 40-89, +- 6.2 mi. SE of Quincy 1097 Comment
  CHSC97222  Elymus glaucus subsp. glaucus Lowell Ahart; Josephine Guardino 2007-7-20 14321 Plumas South of a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  CHSC112379  Elymus hispidus L. P. Janeway 2014-7-17 11562 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, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  POM359953  Elymus multisetus Alice S. Mulford 1944-8-12 s.n. Plumas S.W. side of Mohawk Terrance 1341 Comment
  RSA299268  Elymus multisetus J. T. Howell 1955-7-19 30779 Plumas Beckwourth; Sierra Nevada 1494 Comment
  HSC8764  Elymus trachycaulus subsp. trachycaulus L. S. Rose 1968-6-10 68095 Plumas Quincy Meadow 1037 Comment
  JEPS115892  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16131 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  CHSC101950  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2009-7-13 16040 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC392226  Enemion stipitatum Vesta Holt 1935-3-19 s.n. Plumas Near Quincy Comment
  CHSC44975  Epilobium K. R. Stern 1985-6-25 8232 Plumas Vicinity of Blairsden. Comment
  CAS-BOT-BC165925  Epilobium John Thomas Howell; H. Keith Wagnon 1980-5-28 53711 Plumas North Fork Feather River Canyon 4 miles northeast of Pulga Bridge Comment
  CHSC28704  Epilobium brachycarpum R. A. Schlising; C. A. Lawler 1979-8-22 3475 Plumas 7.9 mi W of Portola on Hwy 89, at jct with Delleker Road. At roadside and in ditches. Comment
  CHSC97173  Epilobium brachycarpum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14012 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
  JEPS102797  Epilobium brachycarpum Lowell Ahart 2001-8-29 9254 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC171716  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 4025 Plumas Feather River Canyon Comment
  CHSC43406  Epilobium canum subsp. latifolium Lowell Ahart 1979-8-4 2009 Plumas About 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1828 Comment
  CHSC43547  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 610 Plumas In a ravine near the road, about 1/2 mile north of Nelson Creek and near Zumwalt Flat, about 11 miles south-west of Sloat. 1676 Comment
  JEPS44030  Epilobium canum subsp. latifolium W. L. Jepson 1918-8-16 8019 Plumas Genesee Valley 1097 Comment
  CHSC113850  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-9-9 16849 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
  CHSC84220  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2003-7-18 10429 Plumas In a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  JEPS122326  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-9-9 19849 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  SBBG21925  Epilobium ciliatum subsp. ciliatum D. Myrick 1964-7-19 877 Plumas Dream Lake, Drakesbad 1828 Comment
  CHSC115212  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas West side of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 mile (air) west of La Porte. 1411 Comment
  CHSC43404  Epilobium densiflorum Lowell Ahart 1977-8-8 1539 Plumas In the middle of the road that leads to Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  JEPS124094  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  JEPS102619  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-7-19 8943 Plumas On the banks of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  UC170925  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1912-7-25 9371 Plumas Middle Fork Feather River Sierra Nevada Mountains 1280 Comment
  UC1075674  Epilobium hallianum Robert J. Weatherby 1955-7-2 1583 Plumas Wilcox Valley 1767 Comment
  SD46719  Epilobium oregonense Robert Weatherby 1955-7-2 1583 Plumas Common in damp meadow bordered by Pinus murrayana. Red Fir Forest. Wilcox Valley. 1768 Comment
  UC1586410  Epipactis gigantea Vernon H. Oswald and Lowell Ahart 1991-6-18 4685 Plumas Forest Rd 28N38 3.4 mi ene junction with County Rd 201 (Old Haun Rd) (ca 4 air mi n of Greenville) 1609 Comment
  CAS-BOT-BC57898  Equisetum X ferrissii David D. Keck 1932-7-3 1675 Plumas At bridge over Spanish Creek, Quincy. 1066 Comment
  CAS-BOT-BC56992  Equisetum arvense John Thomas Howell 1962-6-17 37658 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC56994  Equisetum arvense John Thomas Howell 1976-7-15 51856 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CAS-BOT-BC56996  Equisetum arvense Walter Knight; Irja Knight 1966-6-18 1360 Plumas Near Pond Reservoir, Butterfly Valley 1097 Comment
  CHSC112093  Equisetum arvense L. P. Janeway 2014-7-15 11541 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
  JEPS113779  Equisetum laevigatum Lowell Ahart, John Dittes 2007-6-16 14148 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC204599  Eragrostis mexicana subsp. virescens John Thomas Howell 1977-8-11 52669 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  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
  CHSC101460  Eremogone cliftonii L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-6-30 9832 Plumas Northern High Sierra Nevada. Top of ridge 1.9 air km northwest of and overlooking Middle Fork Feather River between Pigtail Ravine and Hunters Ravine. 1640 Comment
  UCD169259  Eremogone congesta var. congesta S. L. Welsh; N. D. Atwood 2001-6-14 28144 Plumas Roadcut, forest service road, ca. 5 miles south of Milford. 1791 Comment
  CAS-BOT-BC174267  Eremogone congesta var. subcongesta M. S. Taylor 1982-5-17 4461 Plumas N side of 22N55, near its jct with 22N54 & 22N88, ca. 2 mi se of Portola, on ridges below Beckwourth Peak 1706 Comment
  CHSC60530  Eremogone congesta var. suffrutescens L. P. Janeway 1992-5-22 4191 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine, ca 4 mi east of Portola. 1487 Comment
  CAS-BOT-BC174296  Eremogone congesta var. suffrutescens Anna Head 1921-7-11 s.n. Plumas Top of Indian Peak, Feather River Region 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
  UC572482  Eriastrum wilcoxii C. W. Hanks 1934-8-6 6 Plumas ne end of Sierra Valley Plumas National Forest, Sierraville Quadrangle 1554 Comment
  CAS-BOT-BC286649  Ericameria bloomeri L. P. Janeway 1993-9-28 4603 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1499 Comment
  CAS-BOT-BC286669  Ericameria bloomeri Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  JEPS113438  Ericameria bloomeri Lowell Ahart, John Dittes 2007-8-9 14432 Plumas Along the west side of the poor road, south slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  UC1118691  Ericameria bloomeri C. W. Hanks 1934-9-6 69 Plumas Top of Dixie Mtn. Plumas National Forest, Sierraville Quad., Top of Dixie Mtn. 2438 Comment
  CHSC115801  Ericameria nauseosa var. oreophila Lowell Ahart; John Deurloo 2015-8-25 20531 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CAS-BOT-BC294281  Ericameria nauseosa var. speciosa Ahart; Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte 1828 Comment
  CAS-BOT-BC294294  Ericameria nauseosa var. speciosa Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CAS-BOT-BC299436  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC108464  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -A Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam. 1687 Comment
  CHSC45656  Ericameria nauseosa var. speciosa Vernon Oswald 1986-7-22 2220 Plumas Hwy 36 e of Chester, 10.8 mi e of the Tehama-Plumas County line. 1402 Comment
  CHSC96059  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. 792 Comment
  JEPS118406  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -B Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  JEPS21533  Ericameria parryi var. nevadensis W. L. Jepson 1939-8-12 19384 a Plumas sw edge of Honey Lake (Lassen-Plumas Co. boundary); Diamond Mts., Black Mt. 1981 Comment
  JEPS100354  Erigeron aphanactis var. aphanactis Dean W. Taylor 2001-6-28 17822 Plumas Crystal Peak, along the ridgeline at the summit Sierra Nevada, Diamond Mountains 2377 Comment
  UC584279  Erigeron barbellulatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 Plumas n of Engelmine (sw slopes and ridge crest Red Rock); Red Rock 2133 Comment
  CHSC113855  Erigeron canadensis Lowell Ahart 2014-9-9 19835 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1074 Comment
  CHSC72298  Erigeron compositus L. P. Janeway; Glenn Clifton 1998-7-9 5736 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CAS-BOT-BC297190  Erigeron coulteri L. P. Janeway 1990-7-3 3756 Plumas Near Paradise Creek about 1/4 mi. south of Little Grizzley Creek, Plumas National Forest, Beckwourth Ranger District, Cascade Compartment 1813 Comment
  CHSC34305  Erigeron divergens L. Ahart 1981-9-6 3065 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  CHSC60523  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road. 1697 Comment
  UC87592  Erigeron eatonii var. plantagineus T. S. Brandegee 1892-7-4 Plumas Prattsville Comment
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Jan 27 2015
  RSA523305  Erigeron eatonii var. plantagineus J. L. Strother 1987-6-28 1359 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  SBBG133127  Erigeron eatonii var. plantagineus B. C. Templeton 1968-1 11278 Plumas unknown Comment
  SBBG100110  Erigeron eatonii var. sonnei B. Ertter, G. Schoolcraft 1989-7-3 8651 Plumas below Red Rock lookout, ca. 8 air mi S of Susanville 2255 Comment
  CHSC59894  Erigeron filifolius L. P. Janeway; Laurie Lamm 1992-7-21 4271 Plumas Plumas National Forest, Beckwourth Ranger District, about 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaisance Peak. In rocks and talus below rock outcrop above end of Road 24N91Y. 2103 Comment
  CAS-BOT-BC295214  Erigeron inornatus L. P. Janeway 1990-8-15 3830 Plumas Plumas National Forest, Beckwourth Ranger District. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1859 Comment
  CAS-BOT-BC295229  Erigeron inornatus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2160 Plumas Butterfly Botanical Area and vicinity. Confluence of Butterfly Creek 883 Comment
  JEPS107632  Erigeron inornatus var. inornatus Lowell Ahart, Josephine Guardino 2005-8-9 12287 Plumas North of Fant Creek, about 50 yards north of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA768930  Erigeron inornatus var. inornatus L. Ahart, John Dittes 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 2.5 air miles northeast of Pilot Peak. 1929 Comment
  JEPS16779  Erigeron inornatus var. inornatus Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4351 Plumas 0.5 mi w of Taylorsville 1066 Comment
  RSA540087  Erigeron lassenianus Walter Knight, Irja Knight, John Thomas Howell, Gordon H. True 1969-7-24 2454 Plumas Butterfly Creek Canyon. Butterfly Botanical Area and vicinity 991 Comment
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Aug 21 2012
  UC1609240  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas about 3 mi nw Pilot Peak (w side of Cleghorn Bar Road); Monitor Flat 1828 Comment
  CAS-BOT-BC295501  Erigeron lassenianus var. lassenianus L. P. Janeway 1990-7-6 3774 Plumas Plumas National Forest, Beckwourth Ranger District. About 200 ft east of Paradise Creek and about 1/3 mi south of Little Grizzly Creek 1844 Comment
  CAS-BOT-BC300128  Erigeron pumilus var. intermedius Sommers 1976-6-24 6129 Plumas Sierra Valley 1487 Comment
  CHSC81100  Erigeron pumilus var. intermedius Lowell Ahart 2001-8-29 9234 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC94913  Eriogonum douglasii var. meridionale L. P. Janeway; B. Castro 2006-6-4 8663 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road. 1684 Comment
  SEINET10886200 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 Reveal 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth, associated with Artemisia nova, Purshia tridentata and Eriogonum umbellatum var. nevadense at 5600 feet elevation. T.25N, R14E, sec. 27NW1/4SW1/4. 1707 Comment
  POM105616  Eriogonum elatum var. elatum F. H. Hillman s.n. Plumas Sierra Valley Comment
  CHSC53046  Eriogonum elatum var. villosum L. P. Janeway 1989-7-6 3457 Plumas Plumas National Forest Beckwourth Ranger District. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 0.7 mi on rd 23N48. 1645 Comment
  RSA766342  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8268 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  UC1032141  Eriogonum marifolium E. Sawyer 1935-6-25 149 Plumas 1 1/2 mi ssw Crow; Plumas National Forest, Sierraville Quadrangle 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
  CAS-BOT-BC263305  Eriogonum marifolium var. marifolium F. Ehrendorfer 1959-1-1 s.n. Plumas Chester 1524 Comment
  CAS-BOT-BC261363  Eriogonum nudum var. deductum Rimo Bacigalupi 1927-7-11 1713 Plumas Near Grassy Lake Meadows near Bear Lake, Gold Lake Region 1889 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
  CHSC80858  Eriogonum nudum var. deductum Lowell Ahart; Vernon H. Oswald 2001-7-11 8893 Plumas Along the northeast trail from the dirt road to Homer Lake, about 5 1/2 miles (air) north of Greenville, about 5 1/2 miles (air) east of Lake Almanor. 2042 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
  RSA59398  Eriogonum nudum var. deductum E. K. Balls 1950-9-11 15782 Plumas Lakes Center Public Campground, trail leading to Gold Lake road 2043 Comment
  CAS-BOT-BC261601  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54130 Plumas At Round Valley Reservoir dam 1371 Comment
  CHSC40621  Eriogonum nudum var. nudum Lowell Ahart; Jim Jokerst 1985-10-4 5194 Plumas Along the South Fork of the Feather River, about 1/4 mile north of the Feather River, about 1/4 mile north of the Feather Fork Mine, about 6 miles north-east of La Porte. 1645 Comment
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Jan 21 2013
  UC1032192  Eriogonum nudum var. nudum C. G. Albertus 1935-7-23 232 Plumas 2 mi nw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10479532  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-7-21 Taylor 4888 Plumas T24N R10E e/se sec 7. Quincy quad. American Valley, on ne side of hills s of Greenhorn Creek, ca. 1.5 mi ne of Quincy. 3500 ft. 1069 Comment
  SEINET5332075  Eriogonum pedunculatum A. A. Heller, P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET1909917  Eriogonum spergulinum var. reddingianum Barbara Ertter 1988-1 7853 Plumas Diamond Mts, ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek 1981 Comment
  UC1776757  Eriogonum spergulinum var. reddingianum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13242 Plumas Bull Run Creek off USFS 23N12E. 2100 Comment
  POM98575  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 s.n. Plumas South shore Lake almanor, Comment
  RSA759520  Eriogonum strictum subsp. proliferum James L. Reveal 2007-6-5 8840 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  CAS-BOT-BC262748  Eriogonum strictum var. anserinum A. A. Heller; P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC267497  Eriogonum umbellatum M. S. Taylor 1982-7-21 4892 Plumas Around s end of Bachs Creek Ridge, ca. 5 mi se of Quincy 1752 Comment
  CAS-BOT-BC267500  Eriogonum umbellatum A. A. Heller; P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of LIttle Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC267495  Eriogonum umbellatum L. P. Janeway 1992-7-8 4249 Plumas Plumas National Forest, Beckwourth Ranger District. 0.15 mi south of Beckwourth-Genesee Road, 0.7 mi northwest of Clover Valley Ranch 1676 Comment
  NY399134  Eriogonum umbellatum var. dumosum Mrs. Ames s.n. Plumas Comment
  JEPS125872  Eriogonum umbellatum var. furcosum Dean W. Taylor 2001-8-1 17862 Plumas Watershed divide between Onion Valley Creek and Poorman Creek, 1 mile N of Pilot Peak, ca 10 air miles SE of Quincy, near the junction of Forest Road 22N84X and 22N43Y. Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC34744  Eriogonum umbellatum var. modocense M. S. Taylor 1981-8-20 4230 Plumas At jcts of rds 26N18, 26N92, and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CAS-BOT-BC265149  Eriogonum umbellatum var. nevadense A. A. Heller; P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley Comment
  CAS-BOT-BC265169  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-18 5011 Plumas Summit of Mt. Ingalls, ca. 9 air miles NE of Sloat 2551 Comment
  CHSC97177  Eriogonum umbellatum var. nevadense Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14050 Plumas About 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  NY399275  Eriogonum umbellatum var. nevadense A. A. Heller 1907-7-4 8716 Plumas Ridge east of Red Clover valley Comment
  UC1552712  Eriogonum umbellatum var. nevadense Frederica Bowcutt 1985-6-6 572 Plumas about 15 air mi ne Quincy (along Red Clover Creek); Plumas National Forest Comment
  UC586849  Eriogonum umbellatum var. nevadense Joseph Andorfer Ewan 1934-7-6 8178 Plumas above Mohawk Valley (slopes of Penman Peak); Penman Peak 1371 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
  CHSC104741  Eriogonum umbellatum var. polyanthum L. P. Janeway; Melanie Williams 2009-7-28 9880 Plumas Northern High Sierra Nevada. Plumas National Forest; Frenchman Hill, about 60 m northeast of the dirt road to Red Mountain, 560 m south-southwest of the top of Frenchman Hill. 1750 Comment
  CHSC34746  Eriogonum umbellatum var. polyanthum M. S. Taylor 1981-8-25 4236 Plumas Red Hill Lookout, ca. 3 air mi ne of Belden. 1920 Comment
  CHSC66964  Eriogonum umbellatum var. polyanthum James D. Jokerst 1992-1-1 3440 Plumas [No location data] Comment
  JEPS94500  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-9-18 8875 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  UCD101492  Eriogonum umbellatum var. polyanthum John Thomas Howell 1974-9-20 50898 Plumas 2 miles from Spring Garden on road to Quincy. 1158 Comment
  RSA60026  Eriogonum ursinum E. K. Balls 1950-9-1 15590 Plumas Above trail going S around lake, E of Long Lake. Southern county. 2134 Comment
  RSA88594  Eriogonum ursinum J. T. Howell 1951-6-27 27630 Plumas Jamison Creek 1829 Comment
  UCD101329  Eriogonum ursinum John Thomas Howell 1975-7-22 51366 Plumas in the Transition Life Zone, 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC262257  Eriogonum ursinum L. P. Janeway 1993-7-28 4478 Plumas Plumas National Forest, Greenville Ranger District. Along steep north-trending ridge south of a bend in Ward Creek; along and down-ridge from mining access road 2.2 mi southeast of Genesee Valley 1341 Comment
  SEINET5332054  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Little Grizzly Creek. Comment
  CHSC105596  Eriogonum ursinum var. ursinum L. P. Janeway 2010-7-13 10105 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir. 1721 Comment
  CHSC80860  Eriogonum ursinum var. ursinum Lowell Ahart 2001-7-17 8925 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  SD86305  Eriogonum ursinum var. ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam Comment
  JEPS56159  Eriogonum vimineum W. L. Jepson 1918-8-16 8016 Plumas Taylorsville, Indian River 1097 Comment
  RSA59256  Eriogonum vimineum E. K. Balls 1950-8-31 15545 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC301312  Eriophyllum lanatum var. croceum Lewis S. Rose 1969-6-24 69050 Plumas Butterfly Valley, 3 mi. west of Keddie 1158 Comment
  SBBG33885  Eriophyllum lanatum var. croceum L. S. Rose 1969-6-24 69060 Plumas Butterfly Valley, 3 mi W of Keddie 1158 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
  UC567194  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-14 104 Plumas 1 mi s of Sugarloaf; Sierraville Quadrangle 1524 Comment
  SEINET10839140  Eriophyllum lanatum var. integrifolium Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4327 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC65415  Eryngium alismifolium Vernon Oswald 1984-7-9 1562 Plumas Hwy 89, 3.6 mi s-e of Hwy 36. 1377 Comment
  RSA88448  Eryngium alismifolium J. T. Howell 1951-8-20 28220 Plumas Indian Valley 1098 Comment
  RSA0091882  Erysimum capitatum var. capitatum Bonnie C. Templeton 1968-1 11277 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA121676  Erysimum capitatum var. perenne D. Axelrod 1934-6-9 21 Plumas 2.25 miles NW of Lexington Hill. 1768 Comment
  CHSC40655  Erythranthe guttata Lowell Ahart 1985-9-26 5179 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
  CHSC36342  Erythranthe lewisii M. S. Taylor; H. Swanson 1982-8-11 4961 Plumas Along 23N08, n side of the A-Tree, saddle at head of Florentine Canyon, ca. 5 air mi sw of Johnsville. 2042 Comment
  SEINET14367820  Erythranthe primuloides M. J. Williams 1966-7-11 s.n. Plumas Near Luther Ridge, above Johnsville. 2286 Comment
  SEINET8409831  Erythranthe primuloides John Thomas Howell 1960-7-23 35953 Plumas near soda spring; Drakesbad. 1676 Comment
  CHSC20740  Erythranthe pulsiferae K. R. Stern 1975-7-25 5878 Plumas N shore of Lake Almanor. 1371 Comment
  CHSC113886  Erythranthe tilingii Lowell Ahart 2014-8-26 19783 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC21222  Erythronium purpurascens F. T. Griggs; A. Pass 1975-7-7 79 Plumas Gold and Silver Lake. Comment
  CHSC2270  Erythronium purpurascens R. Morford 1931-5-17 Plumas Buck Lake, Quincy road. 1584 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-BC403355  Eschscholzia californica Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve. Chilcott [Chilcoot] 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
  UC1126406  Eschscholzia californica E. Sawyer 1935-6-10 88 Plumas 2 1/2 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC310386  Eucephalus breweri M. S. Taylor 1981-7-17 4032 Plumas Bear Lakes trail in Lakes Basin; ca. 1/2 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  SEINET12143313  Euphorbia serpillifolia W. Knight, Knight, I. 1983-1 4907 Plumas 4 mi from Chester on road to Drakesbad Comment
  CAS-BOT-BC310531  Eurybia integrifolia Anna Head 1921-8-3 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC37001  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi NE of Taylorsville. 2103 Comment
  JEPS117159  Eurybia integrifolia Lowell Ahart 2010-10-21 17305 Plumas About 100 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
  JEPS127122  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC100035  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC53178  Festuca idahoensis L. P. Janeway 1989-7-11 3477 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  CAS-BOT-BC278854  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  CHSC101781  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15862 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC37293  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of Eureka Ridge Rd, ca. 1 air mi w of White Cap ca. 4 air mi sw of Sloat. 1767 Comment
  RSA699249  Festuca occidentalis L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11004 Plumas 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. 1518 Comment
  UCD66140  Festuca occidentalis John Thomas Howell 1962-6-17 37681 Plumas Butterfly Valley. 1036 Comment
  SEINET10963545  Festuca occidentalis A. Arthur Heller, Patrick B. Kennedy 1907-7-8 Heller 8764 a Plumas Grade between Greenvilee & Prattville. Comment
  CAS-BOT-BC279017  Festuca rubra David D. Keck 1944-7-8 5439 Plumas S. end of Lake Almanor, east side of dam 1341 Comment
  CHSC103121  Festuca subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CAS-BOT-BC282568  Festuca viridula Catherine Best 1984-6-19 1015 Plumas Lakes Basin Campground 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
  SEINET10495208  Floerkea proserpinacoides Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4196 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  UCSB26133  Frangula californica subsp. tomentella Belshaw, Charles 1940-5-20 Plumas Between Belden and Longville on tributary of Yellow Creek. Comment
  CAS-BOT-BC55675  Frangula purshiana Alice Eastwood 1927-6-12 14522 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC55685  Frangula purshiana John Thomas Howell 1959-9-24 34935 Plumas Butterfly Valley near mouth Comment
  CHSC21099  Frangula purshiana F. T. Griggs; A. Pass 1975-7-3 72 Plumas Buck's Lake. N of Grizzly Forebay. Comment
  CHSC82358  Frangula purshiana Lowell Ahart 2002-7-6 9838 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  HSC100815  Frangula purshiana subsp. annonifolia L. P. Janeway, B. Castro 2007-8-18 9200 Plumas Along Squirrel Creek and Rd. 401, 1.9 km NE of Hwy. 70/89 and Williams Loop (railroad). 387 Comment
  HSC100832  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Granite Basin, along the Little North Fork Middle Fork Feather River near the Rd. 18 bridge. 421 Comment
  CHSC67381  Frangula purshiana subsp. ultramafica James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2560 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  CAS-BOT-BC55713  Frangula rubra subsp. obtusissima Miss. T. V. Raphael 1917-8-8 s.n. Plumas Mohawk Comment
  CAS-BOT-BC53795  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  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
  SD6482  Fritillaria atropurpurea Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  UC1778610  Fritillaria atropurpurea G. Douglas Barbe, T. C. Fuller 1982-7-16 3771 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC505278  Fritillaria atropurpurea Walter D. Bliss 1918-5-20 s. n. Plumas Near Quincy Comment
  CAS-BOT-BC506202  Fritillaria micrantha John Thomas Howell 1951-6-28 27655 Plumas Johnsville 1584 Comment
  CHSC64248  Fritillaria pudica Mike Carpenter 1990-4-21 10 Plumas Ca. 30 ft. s of Humbug Valley Rd., 0.8 mi from the intersection of Collins Pine Rd, and Humbug Valley Rd. 1341 Comment
  CAS-BOT-BC506178  Fritillaria pudica Lemmon no date on label s.n. Plumas Sierra Valley Comment
  SEINET8478982  Fritillaria pudica A. Streshley 1976-3-21 s.n. Plumas Vacant lot along Green Street in portola. 1524 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
  SEINET8480187  Fritillaria recurva E. K. Balls 1950-8-30 15504 Plumas Trail to Bucks Creek from Tobin's Resort, North Fork Feather River. 610 Comment
  RSA101479  Galium bifolium R. Weatherby 1955-6-26 1546 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  JEPS115549  Galium bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam 1591 Comment
  JEPS26654  Galium bolanderi Lauramay T. Dempster 1961-6-15 1458 Plumas 3.3 mi by road se Quincy (n-facing slope) 1310 Comment
  CHSC39369  Galium grayanum L. Ahart; P. Ahart 1983-8-17 4331 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-La Porte Rd, northeast of La Porte. Comment
  CHSC62496  Galium grayanum var. grayanum L. P. Janeway 1993-8-5 4504 Plumas Plumas National Forest, La Porte Ranger District. Along Quincy-La Porte Road (Rd 511) 0.4 mi southwest of Onion Valley Creek crossing; ca 1.3 mi northwest of Pilot Peak. 1895 Comment
  CHSC35265  Galium trifidum var. pacificum M. S. Taylor 1981-7-13 4001 Plumas Along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of Frenchman Lake, ca. 15 air mi N of Chilcoot. 1889 Comment
  RSA0105477  Galium trifidum var. subbiflorum Lowell Ahart 2014-8-31 19820 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  SEINET12331838  Galium trifidum var. subbiflorum Unknown 1985-1 5104 Plumas about 4.25 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork Feather River flows 1585 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  UC463096  Garrya fremontii C. H. Crickmay Aug 1931 Plumas Taylorsville Comment
  UC54498  Garrya fremontii H. M. Hall and E. B. Babcock Jul 1903 4439 Plumas Indian Creek; Sierra Nevada Mountains 1097 Comment
  UCD121130  Garrya fremontii John Thomas Howell 1959-9-26 35043 Plumas Near Keddie. 1005 Comment
  RSA97510  Garrya fremontii L. S. Rose 1954-5-30 s.n. Plumas Johnsville. 1601 Comment
  CAS-BOT-BC478511  Gayophytum John Thomas Howell; Gordon H. True 1973-7-31 500096 Plumas Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range 2194 Comment
  CHSC81387  Gayophytum diffusum subsp. diffusum Lowell Ahart 2001-9-18 9292 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  CDA13355  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13204 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC57293  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1984-9-1 1131 Plumas On Sierra crest, near drainage channel draining northwest (toward Jamison Lake). 2164 Comment
  UC384659  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  CHSC92179  Gayophytum heterozygum Lowell Ahart; John Dittes 2005-9-19 12408 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
  CHSC43402  Gayophytum humile Lowell Ahart 1974-8-15 606 Plumas Along the dirt road near White Cap, about 10 miles south of Slote. 1676 Comment
  CHSC53203  Gayophytum humile L. P. Janeway 1989-6-14 3311 Plumas Plumas National Forest. Along s'ly side of Red Clover Valley. 1685 Comment
  CHSC40872  Gayophytum racemosum K. R. Stern 1985-6-25 8203 Plumas Vicinity of Blairsden. 1432 Comment
  SEINET7717338  Gentiana amarella Unknown Plumas Big meadows Comment
  CHSC115745  Gentiana calycosa L. P. Janeway 2015-8-3 11813 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. 1696 Comment
  CHSC66703  Gentiana calycosa Vernon H. Oswald; Lowell Ahart 1996-8-1 8140 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  UC878534  Gentiana newberryi Mrs. A. L. Coombes Sep 1912 Plumas Big Meadows Comment
  UC405409  Gentianella amarella subsp. acuta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS91320  Gentianopsis simplex Dean W. Taylor 1974-10-1 5053 Plumas Jamison Creek Drainage, above Jamison Lake drainage, ca 3 mi S of Plumas-Eureka State park 609 Comment
  CAS-BOT-BC459553  Geum macrophyllum A. A. Heller; P. B. Kennedy 1907-7-9 8787 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  JEPS102399  Gilia capillaris Lowell Ahart 2001-7-17 8907 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS113602  Gilia capillaris Lowell Ahart, John Dittes 2007-6-16 14137 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCR88008  Gilia leptalea subsp. leptalea J. T. Howell 1973-7-10 49729 Plumas Near Greenville 1768 Comment
  SEINET10464594  Githopsis specularioides Taylor 1982-5-13 Taylor 4436 Plumas Open cut roadbank across from parking area; Gansner Park, Quincy. Qunicy quad. T24N R9E se1/4 ne1/4 Sec. 15 1036 Comment
  CAS-BOT-BC283871  Glyceria borealis Mary S. Clemens 1920-6-25 17 Plumas Taylorville Comment
  CAS-BOT-BC282700  Glyceria elata C. R. Quick 1950-8-31 50 -45 Plumas About 1.5 miles SE of Deane's Valley SE of Meadow Valley and SW of Quincy Comment
  CAS-BOT-BC303821  Gnaphalium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54119 Plumas Quincy 1036 Comment
  CDA14697  Gnaphalium palustre G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC53580  Gnaphalium palustre L. P. Janeway 1989-7-25 3520 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  JEPS107496  Gnaphalium palustre Lowell Ahart, John Dittes 2005-9-19 12390 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
  CAS-BOT-BC307392  Gnaphalium palustre Joseph Andorfer Ewan 1934-7-18 8562 Plumas Along Middle Fork Feather R. near Portola, Sierra Nevada Comment
  JEPS29572  Gnaphalium palustre John Thomas Howell 1960-7-21 35836 Plumas open places among willows nw of Willow Lake 1676 Comment
  CHSC59103  Goodyera oblongifolia Vernon H. Oswald 1992-8-10 5153 Plumas Small corner of Lassen Volcanic National Park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC66899  Goodyera oblongifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8169 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  SEINET3890401  Goodyera oblongifolia Lewis S. Rose 1966-7-26 66050 Plumas Butterfly Valley. 3 mi. W of Keddie.; 0 1067 Comment
  UC1025091  Gratiola ebracteata Leo Whitney 1934-8-8 1707 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place, Big Grizzley Valley, Plumas National Forest); Plumas National Forest, Big Grizzley Valley 1828 Comment
  JEPS85824  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor (mud flats s of road) 1341 Comment
  CAS-BOT-BC304928  Grindelia hirsutula M. S. Taylor 1981-8-31 4256 Plumas Both sides of Hwy 89, ca. 0.5 mi s of Clio 1341 Comment
  SEINET10474257  Grindelia nana Mary Susan Taylor 1981-8-5 Taylor 4170 Plumas 1069 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  CAS-BOT-BC189592  Hackelia John Thomas Howell; Gordon H. True 1967-7-11 43356 Plumas SE slope of Mount Hough 2042 Comment
  RSA235923  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-21 2083 Plumas Mt. Hough, 8.3 miles northeast of Quincy on Mt. Hough-Crystal Lake Road, Rinehart Meadow 1707 Comment
  CHSC75470  Hackelia micrantha G. F. Hrusa; T. D. Wilfred 1997-6-26 13922 Plumas Sierra Nevada. About Brady's Camp. Pine Creek Valley, +/- 1/2 mi. NE Argentine Rock. 2125 Comment
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Sep 23 2008
  CHSC47988  Hackelia nervosa Vernon Oswald 1983-8-4 967 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC88007  Hackelia nervosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11158 Plumas 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
  RSA496347  Hackelia nervosa Elaine Joyal, D. Mehlman 1988-7-3 1306 Plumas Plumas National Forest, Mt. Hough, 11 mi. n of Quincy. 2000 Comment
  SEINET10474687  Haplopappus bloomeri Mary Susan Taylor 1982-9-13 Taylor 5129 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  SD6432  Hastingsia alba Mrs. R. M. Austin, Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  SEINET8480292  Hastingsia alba A. A. Heller, P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville. Comment
  UCD138413  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-11 8821 Plumas grade between Greenville and Prattville. Comment
  CHSC73933  Hazardia whitneyi B. Castro; L. P. Janeway 1998-8-29 828 Plumas Ca 2 air mi N of Little Grass Valley Reservoir, beside Pacific Crest Trail 0.4 mi N of Fowler Lake, at its jcn with other trail into the lake. 1670 Comment
  RSA718796  Hazardia whitneyi L. P. Janeway 2006-9-20 8885 Plumas Northern High Sierra Nevada. Along dirt road 0.3 km SE of American House and Challenge-La Porte Road. 1420 Comment
  CHSC45677  Hazardia whitneyi var. whitneyi Vernon Oswald 1986-8-7 2272 Plumas Old Hauns Rd. to Homer Lake trailhead, 7.6 mi ne of Hwy 89. On ridge. 1722 Comment
  CHSC62340  Hazardia whitneyi var. whitneyi B. Castro 1989-8-21 408 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine, along edges of USFS Rd 23N70. 1554 Comment
  CHSC95049  Hazardia whitneyi var. whitneyi L. P. Janeway 2006-9-20 8885 Plumas Northern High Sierra Nevada. Along dirt road 0.3 km southeast of American House and Challenge-La Porte Road. Mostly along compacted edges of dirt road and a little into adjacent forest. 1420 Comment
  CHSC99988  Hazardia whitneyi var. whitneyi L. P. Janeway; Heather Koeth 2008-9-9 9589 Plumas Northern High Sierra Nevada. 1.5 km northeast of the northern end of The Hogback; 1.1 km south-southwest of the confluence of Nelson Creek at Middle Fork Feather River; along Road 23N95Y, 180 km southwest of Quincy-La Porte Road (at its hairpin turn at Turn Table). 1490 Comment
  SBBG30612  Helenium bigelovii D. Myrick 1968-6-18 1941 Plumas Butterfly Valley, ca. 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC306696  Helenium bigelovii Donald Myrick 1968-6-18 1941 Plumas In Butterfly Valley, four miles northwest of Quncy 1036 Comment
  UC586918  Helenium bigelovii Joseph Andorfer Ewan 1934-6-25 8212 Plumas above Deuteus (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  CAS-BOT-BC314793  Helianthella californica var. nevadensis Alice Eastwood 1927-6-13 14555 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  UCD107441  Helianthella californica var. nevadensis Tim Kuhn 2006-7-9 18 Plumas Southwest of Lake Davis. Comment
  UCD107496  Helianthella californica var. nevadensis Tim Kuhn 2006-7-8 42 Plumas Southwest of Lake Davis. Comment
  UCD132766  Helianthella californica var. nevadensis J. I. Mallory 1968-4-1 279 Plumas La Porte area, Plumas National Forest. 1798 Comment
  CAS-BOT-BC305539  Helianthus bolanderi A. R. Kruckeberg 1954-8-4 3699 Plumas Highway 89, w. shore of Lake Almanor 1676 Comment
  CHSC43616  Helianthus bolanderi Vernon Oswald 1984-8-14 1648 Plumas Hwy 89, 0.1 mi e of Humbug-Humboldt Rd. 1371 Comment
  CAS-BOT-BC305667  Helianthus exilis C. R. Quick 1947-8-7 47 -74 Plumas Along highway # 89, 2 mi. W of Almanor Inn. Lake Almanor Comment
  CAS-BOT-BC315015  Hemizonella minima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 1962 Plumas Trestle Glen, Butterfly Botanical Area and Vicinity 1112 Comment
  CHSC53190  Hemizonella minima L. P. Janeway 1989-6-30 3424 Plumas Plumas National Forest. Slope above rd 24N45Y 0.2 mi E of Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth; across from the Crocker Station. 1767 Comment
  CAS-BOT-BC313428  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  CAS-BOT-BC315017  Hemizonella minima L. P. Janeway; Garrett Gibson 1991-6-13 4004 Plumas Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek, Bechwourth Ranger District, Clio Compartment, Plumas National Forest 1484 Comment
  CHSC40857  Heracleum lanatum K. R. Stern 1985-6-25 8236 Plumas Ditch, e side of Highway 70, vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC55287  Hesperis matronalis John Thomas Howell; Gordon H. True 1967-7-11 43380 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CHSC35926  Hesperochiron californicus M. S. Taylor 1982-5-19 4487 Plumas Ramelli Ranch in Sagebrush Scrub, s of Hwy 70, 1 mi w of Beckwourth. 1463 Comment
  JEPS21101  Hesperochiron californicus E. Sawyer 1935-5-21 18 Plumas 2 mi. e. Beckwith Butte; Sierraville Quad. Comment
  CHSC55711  Hesperochiron pumilus Steven Triano 1988-4-17 73 Plumas Ca 40 ft s of Hwy. 89 and 0.7 mi w of Almanor. 1386 Comment
  CDA15373  Hesperolinon micranthum G. F. Hrusa 1997-6-26 13889 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  JEPS120106  Hesperolinon micranthum Lowell Ahart 2012-7-1 18260 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. Comment
  UC1563669  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  CHSC94784  Heterotheca oregona var. rudis Lowell Ahart 2006-10-8 13390 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 622 Comment
  CAS-BOT-BC310921  Heterotheca villosa John Thomas Howell 1977-8-11 52670 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  JEPS101248  Heterotheca villosa var. minor Dean W. Taylor 2000-8-8 17550 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS102821  Heterotheca villosa var. minor Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET5708821 Image available Heterotheca villosa var. minor Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7716 Plumas Chilcoot. Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  UC1523768  Heterotheca villosa var. minor Gary Schoolcraft 1981-6-17 469 Plumas sw of Portola 1481 Comment
  CAS-BOT-BC312293  Heterotheca villosa var. minor John Thomas Howell 1951-8-20 28230 Plumas Vinton, Sierra Valley, Sierra Nevada 1524 Comment
  JEPS115207  Heuchera micrantha var. erubescens Lowell Ahart, John Dittes 2009-7-15 16101 Plumas On broken rock, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  CAS-BOT-BC319616  Hieracium albiflorum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1590 Plumas Fern Glen, Butterfly Botanical Area and vicinity 1097 Comment
  JEPS115089  Hieracium albiflorum Lowell Ahart, John Dittes 2009-7-13 16053 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CHSC20759  Hippuris vulgaris K. R. Stern 1975-7-24 5884 Plumas N shore of Lake Almanor. 1371 Comment
  CHSC44141  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1988-8-4 3681 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In shallow water of a marsh along the ne shore of the lake. 1676 Comment
  CDA20394  Hirschfeldia incana J. Naughton 2002-7-7 102 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  JEPS94287  Hirschfeldia incana Lowell Ahart 1997-9-11 7904 Plumas about 4 1/2 air mi ne of Belden (about 1/2 mi s of Mosquito Creek, on w side of the North Fork of the Feather River, on e edge of Caribou Road); North Fork Feather River, Caribou Road 792 Comment
  CAS-BOT-BC55406  Hirschfeldia incana John Thomas Howell 1951-8-19 28189 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC289226  Holcus lanatus L. W. Swift 1934-7-5 89 Plumas Nelson Creek Grade 1402 Comment
  CHSC118671  Holcus lanatus Chelsea Morgan 2015-6-30 2015025 Plumas Plumas National Forest. Location northwest of Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1590 Comment
  CAS-BOT-BC152716  Holodiscus microphyllus var. microphyllus Mrs. S. Earle Kelley 1919-1-1 s.n. Plumas Salmon Lake Comment
  SEINET4585593  Hordeum brachyantherum W. Harnach, N. Harnach 1991-6-21 559 Plumas Sierra Valley, next to railroad bridge east of Co. Rd. A-23, 0.25 miles S of Beckwourth 1487 Comment
  CAS-BOT-BC284648  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1951-6-27 27571 Plumas Johnsville 1584 Comment
  CAS-BOT-BC284652  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1962-6-17 37733 Plumas Portola 1463 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
  CHSC57450  Horkelia fusca subsp. parviflora L. P. Janeway; Garrett Gibson 1991-6-24 4060 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  CHSC48851  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-12 1573 Plumas S side of Lotts Lake. 1975 Comment
  UC114272  Horkelia fusca subsp. tenella D. Cleveland 1882-7-20 159 Plumas Pratville Comment
  CAS-BOT-BC143989  Horkelia fusca var. tenella John Thomas Howell; H. Keith Wagnon 1980-5-27 53632 Plumas About 2 miles northwest of Almanor 1389 Comment
  RSA718389  Horkelia tridentata L. Ahart 2006-7-3 12909 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18. 1528 Comment
  UC1583945  Horkelia tridentata subsp. flavescens School/Ertter 1990-5-14 2042 Plumas About 1/2 mile east of Cherokee Mine west of Crescent Mills. 1432 Comment
  CAS-BOT-BC538239  Horkelia tridentata var. flavescens unknown 1923-5-10 s.n. Plumas Lake Gill, Quincy Comment
  CHSC101465  Hosackia stipularis var. ottleyi L. P. Janeway; Matt Simenc, Alicia Rhoades, Dorothy Kieffer 2009-6-15 9804 Plumas Northern High Sierra Nevada. Broad ridge between Mt. Ararat Creek and Willow Creek, just above where the slope gets steep into the north side of the canyon of Middle Fork Feather River. 1678 Comment
  CHSC94917  Hydrophyllum capitatum var. alpinum L. P. Janeway; B. Castro 2006-6-3 8656 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  CDA43022  Hypericum formosum var. scouleri L. Ahart 2009-7-22 16137 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. Comment
  CHSC102642  Hypericum formosum var. scouleri Lowell Ahart; John Dittes Josephine Guardino 2009-7-22 16137 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
  CHSC65498  Hypericum formosum var. scouleri L. P. Janeway 1995-9-18 4929 Plumas 0.8 mi southeast of the southern tip of Crocker Mountain; at spring along Road 24N06 about halfway between Crocker Meadow and Big Grizzly Creek. 1865 Comment
  JEPS114533  Hypericum perforatum Lowell Ahart 2008-8-13 15171 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UCD147791  Hypericum scouleri Allyson Ayalon; Lucie Jerabkova 2012-8-1 144 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC88629  Idahoa scapigera Helen MacGavin 1974-1-1 s.n. Plumas Sierra Nevada. Portola. Comment
  CAS-BOT-BC88639  Idahoa scapigera John Thomas Howell 1975-6-16 51162 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CHSC35922  Idahoa scapigera M. S. Taylor 1982-5-17 4462 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola. 1706 Comment
  SEINET10496758  Ipomopsis aggregata Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4334 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  RSA304667  Ipomopsis aggregata subsp. formosissima J. R. Shevock 1972-5-19 2017 Plumas Cresent Mills Comment
  UC1607554  Ipomopsis congesta Barbara Ertter with Gary Schoolcraft 1989-7-3 8663 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  SEINET10496767  Ipomopsis congesta subsp. palmifrons Mary Susan Taylor 1981-6-17 Taylor 3919 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  CAS-BOT-BC135736  Iris hartwegii E. K. Balls 1950-8-30 15505 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork, Feather River 609 Comment
  CHSC80297  Iris hartwegii subsp. hartwegii L. P. Janeway 1996-6-12 5009 Plumas Northern High Sierra Nevada. 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CHSC36870  Iva axillaris M. S. Taylor 1982-9-13 5136 Plumas Ramelli Ranch, in vicinity of Calpine Rd (109) bridge, s of Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC88602  Ivesia aperta var. aperta L. Hanson 1986-7-2 278 Plumas Plumas National Forest. Sierra Valley. 1524 Comment
  JEPS100321  Ivesia aperta var. aperta Dean W. Taylor 2001-7-12 17827 Plumas summit of Doyle Grade, drainage of Little Last Change Creek, 1 mile W of Meadow View Campground, at the junction of the Doyle Grade Road with the Frenchman Lake Road, growing in an area kept open by frequent vehicle traffic 1798 Comment
  CAS-BOT-BC142391  Ivesia sericoleuca L. P. Janeway; Garrett Gibson 1991-7-1 4064 Plumas North side Middle Fork Feather River, south side of Hwy 70; at Delleker, ca 1 mi west of Portola. Plumas National Forest, Beckwourth Ranger District 1472 Comment
  RSA789451  Ivesia sericoleuca James R. Shevock 1986-7-20 11737 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
  RSA790596  Ivesia sericoleuca James R. Shevock, Barbara Ertter 1986-7-20 11737 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
  CDA32298  Juncus acuminatus G. F. Hrusa, E. R. Hochman 1992-9-27 10501 Plumas Sierra Nevada; Dried Smith Lake. Approx. 5 miles WNW of Quincy. Comment
  UC1100935  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  CHSC65386  Juncus bufonius var. bufonius Lowell Ahart 1995-9-13 7626 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS110542  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  JEPS122185  Juncus covillei Lowell Ahart 2014-8-26 19770 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
  UCD108052  Juncus covillei Tim Kuhn 2006-7-10 85 Plumas on Plumas NF forest service road 107407. Comment
  SEINET10472436  Juncus covillei Lowell Ahart 1985-7-11 Ahart 5123 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC92201  Juncus dubius Lowell Ahart; John Dittes 2005-9-19 12400 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
  CHSC52560  Juncus ensifolius L. P. Janeway 1989-6-30 3433 Plumas Plumas National Forest. Along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CHSC95020  Juncus ensifolius Lowell Ahart 2006-10-23 13490 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  RSA59919  Juncus ensifolius E. K. Balls 1950-9-15 15841 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CHSC113141  Juncus exiguus Lowell Ahart 2013-8-23 19018 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  HSC102777  Juncus howellii L. Ahart 2008-8-13 15162 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
  JEPS114813  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CDA19258  Juncus macrandrus G. D. Barbe, T. C. Fuller 1982-6-17 3853 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CDA28694  Juncus macrandrus L. Ahart 2008-8-14 15213 Plumas About 100 yards north of the paced road, about 1/4 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. Elevation: 5240 (GPS) feet. 0 Comment
  JEPS114940  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), 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 41/2 miles (air) north of La Porte 1597 Comment
  CDA13403  Juncus nevadensis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13252 Plumas Sierra Nevada; Low valley below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA43015  Juncus nevadensis L. Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC80889  Juncus nevadensis Lowell Ahart 2001-7-17 8900 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS110178  Juncus nevadensis Lowell Ahart 2006-10-8 13420 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
  UCD108054  Juncus nevadensis Tim Kuhn 2006-1 86 Plumas on Plumas NF forest service road 107407. Comment
  SEINET6175549  Juncus nevadensis M. Foster 1988-9-8 s.n. Plumas Adjacent to Cow Creek in U.S.F.S. range allotment, 1/4 miles W of Lake Davis, 9 mi NNW of Portola 1762 Comment
  JEPS107942  Juncus occidentalis Lowell Ahart, Josephine Guardino 2005-8-10 12309 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
  SEINET3150963  Juncus phaeocephalus var. paniculatus E. K. Balls 1950-9-15 15841 Plumas N Fork Feather River, 6 miles NW of Chester 1402 Comment
  JEPS114806  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS115880  Juncus tenuis Lowell Ahart, John Dittes 2009-7-13 16034 Plumas On dry to damp soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA754871  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 C Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  RSA754875  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 D Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CHSC118726  Juncus tenuis Wendy L. Boes 2015-6-26 2015026 E Plumas Plumas National Forest. Located near Moonlight Valley, south of Forest Service Road 28N30C, northwest of 27N72. UTM 688052 E, 4451991 N, NAD83 Zone 10N. 1825 Comment
  UC401371  Juniperus communis H. M. Hall 1912-7-12 9345 Plumas slopes s of Long Lake; Sierra Nevada Mountains 2072 Comment
  CAS-BOT-BC235661  Keckiella breviflora var. glabrisepala Lewis S. Rose 1968-6-12 68110 Plumas Feather River Canyon, 4 mi. w. of Belden 609 Comment
  CHSC59931  Keckiella lemmonii L. P. Janeway 1992-7-31 4281 Plumas South-facing slopes in canyon of North Fork Feather River; near creek along the Chambers Creek Trail, ca 0.1 mi from Hwy 70 (along old powerline access road). 633 Comment
  NY790354  Keckiella lemmonii R. M. Austin 08 1879 s.n. Plumas Dutch Hill Comment
  SFV17479  Keckiella lemmonii P. Wilson 1998-7-18 3536 Plumas Sierra Nevada Highway 89 between Indian Falls and Crescent Mills. 1100 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
  JEPS12465  Kelloggia galioides W. L. Jepson 1939-7-29 19271 Plumas Spring Hill Trail; Meadow Valley 1219 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
  UC625521  Kelloggia galioides Frank W. Gould 1938-6-26 443 Plumas 5 mi n Blairsden 1371 Comment
  UC889314  Kelloggia galioides Anna Head 1920-7-29 Plumas Lake Center Camp; Feather River Region 1920 Comment
  CHSC66615  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1996-7-15 8051 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. Meadow. 1371 Comment
  CHSC66698  Lactuca canadensis Vernon H. Oswald; Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CHSC66900  Lactuca serriola Lowell Ahart 1996-10-10 7706 Plumas On the west side of the dirt road, at Turkey Town, about one mile west of Blue Nose Mountain, about 2 miles east of Pilot Peak. 1676 Comment
  CAS-BOT-BC341566  Lagophylla ramosissima H. M. Hall; E. B. Babcock 1903-7-1 4431 Plumas Sierra Nevada Mountains. Indian Valley 1097 Comment
  CAS-BOT-BC341571  Lagophylla ramosissima John Thomas Howell 1961-9-25 36965 Plumas Vinton 1506 Comment
  CAS-BOT-BC205058  Lathyrus sulphureus A. A. Heller 1913-6-13 10833 Plumas Near Quincy 1066 Comment
  CAS-BOT-BC205062  Lathyrus sulphureus H. D. Ripley; R. C. Barneby 1943-6-16 5777 Plumas N.W. of Greenville 1066 Comment
  CAS-BOT-BC205073  Lathyrus sulphureus John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  RSA64945  Lathyrus sulphureus C. L. Hitchcock 1950-5-28 19229 Plumas 5 mi les SW of Greenville on road to Quincy. Comment
  CAS-BOT-BC321174  Layia glandulosa M. S. Taylor 1982-5-19 4481 Plumas 1.5 mi E of Portola 1706 Comment
  UC570086  Ledum glandulosum F. W. Embree 1934-6-6 63 Plumas Three Lakes 1889 Comment
  SEINET10449272  Ledum glandulosum var. californicum Mary Susan Taylor 1974-7-3 Taylor 299 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CAS-BOT-BC245657  Lemna turionifera John Thomas Howell 1960-7-22 35868 Plumas Meadow pond, Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC88839  Lepidium campestre John Thomas Howell 1976-7-16 51901 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC88845  Lepidium campestre John Thomas Howell 1951-6-26 27553 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CAS-BOT-BC88850  Lepidium campestre Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir north of Chilcoot. 1706 Comment
  CAS-BOT-BC12823  Lepidium perfoliatum W. Harnach; N. Harnach 1990-4-18 259 Plumas Sierra Valely. Marbel hot well. 1487 Comment
  CHSC81769  Lepidium virginicum var. pubescens Lowell Ahart 2001-10-16 9389 Plumas Along the south side of Dixie Creek Road, about 1/4 mile west of Highway 89, about 2 1/2 miles southwest of Crescent Mills. 1066 Comment
  RSA712972  Leucophysalis nana L. P. Janeway 1994-7-8 4688 Plumas Northern High Sierra Nevada, Hartman Bar Ridge, Slope N of Road 22N94 on S side of Franklin Hill. 1707 Comment
  SEINET6170677  Leucophysalis nana A. A. Heller, P. B. Kennedy 1907-7-16 8875 Plumas Red Clover valley near Red Clover House. Comment
  CAS-BOT-BC59619  Leucothoe davisiae Anna Head 1920-7-3 s.n. Plumas Lake Center Camp, near lakes. Feather River Region. 2133 Comment
  CHSC34873  Leucothoe davisiae M. S. Taylor 1981-7-17 4041 Plumas Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 mi s of Mohawk. 1981 Comment
  CAS-BOT-BC233779  Lewisia cantelovii Ella Dales Cantelow 1941-5-25 4210 Plumas Feather River Canyon 3.2 mi. W. of Belden, State Hwy 24 Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  SEINET10895980  Lewisia cantelovii Mary Susan Taylor, G. Rotta 1981-8-20 Taylor 4233 Plumas California: T25N R7E ne1/4 of nw1/4 sec 20. Almanor SW quad. On meta- volcanic moss-covered cliff, E side of Caribou Rd, 0.1 m N of its jct with Hwy 70, ca. 1.5 mi NE of Belden. Plumas County. 2400 ft. 731 Comment
  SEINET10863157  Lewisia cantelovii Mary Susan Taylor 1981-7-26 Taylor 4117 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
  CHSC35924  Lewisia nevadensis M. S. Taylor 1982-5-17 4460 Plumas Meadow along creek, jct of rds 22N54 and 22N88, ca. 2 mi se of Portola, n slope of Beckwourth Peak. 1737 Comment
  CHSC45390  Lewisia nevadensis Vernon Oswald 1986-6-6 2089 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  JEPS127330  Lewisia nevadensis Lowell Ahart 2016-6-29 21055 Plumas About 1/2 mile southeast o Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1136688  Lewisia nevadensis E. Sawyer 1935-5-22 22 Plumas 3/4 mi sw Beckwith City; Sierravliee quadrangle Comment
  CAS-BOT-BC444174  Lewisia nevadensis Anna Head 1921-6-13 s.n. Plumas Lake Independence, Feather River Region Comment
  CAS-BOT-BC444562  Lewisia triphylla John Thomas Howell 1960-7-22 35897 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CHSC34877  Lewisia triphylla M. S. Taylor 1981-5-8 3654 Plumas At jct of rds 26N18, 26N92, and 27N92, ca. 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC91614  Lewisia triphylla G. Douglas Barbe; T. C. Fuller 1982-7-16 3757 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC444573  Lewisia triphylla Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek 2286 Comment
  SJSU4640  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 A Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  SEINET4690758  Lilaea scilloides W. Harnach, N. Harnach 2000-8-2 964 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC494105  Lilaea scilloides William Harnach 2000-8-2 964 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC509314  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2422 Plumas Between mouth of Butterfly Creek and Valley proper. 914 Comment
  CAS-BOT-BC509332  Lilium kelleyanum Clarence R. Quick 1934-7-4 s.n. Plumas Headwaters of Clear Creek 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
  SEINET9634336 Image available Lilium pardalinum D. W. McNeal 1991-7-24 3842 Plumas Beside the road to the Long Lake-Mount Elwell trailhead in Lakes Basin campground; Plumas National Forest. Comment
  CAS-BOT-BC133083  Lilium washingtonianum subsp. washingtonianum Pierson Durbrow 1918-7-1 s.n. Plumas Gray Eagle [Canon] Canyon Comment
  CHSC97565  Limosella acaulis Lowell Ahart; John Dittes 2007-6-17 14178 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
  SEINET10898116  Limosella aquatica Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5171 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  UC1025103  Limosella aquatica Leo Whitney 1934-8-12 1875 Plumas 8 mi ne Spring Mountain (over-flow marsh from Walker Mine); Plumas National Forest, ne of Spring Mountain 1889 Comment
  JEPS58329  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad Sierra Nevada 1828 Comment
  UC572634  Linanthus ciliatus E. Sawyer 1935-6-27 162 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  CDA19243  Linanthus harknessii G. D. Barbe, T. C. Fuller 1982-6-17 3820 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS58438  Linanthus harknessii W. L. Jepson 1939-8-12 19405 Plumas Ferris Creek, branch of Last Chance Creek Last Chance Creek 1767 Comment
  CHSC99198  Linaria vulgaris John Dittes 2005-9-30 1296 Plumas Northern High Sierra Nevada Range; 8.3 air-miles S of diamond Mt., 4.6 air-miles WxNW of Antelope Lake Dam, 2.7 air-miles NE of Taylor Lake; ca. 0.5 air-mile east of intersection of FS Routes 27N090 and 27N56; Moist meadow just west of northern tributary drainage of Hungry Creek. 1944 Comment
  RSA0087574  Linnaea borealis subsp. longiflora Lowell Ahart, John Dittes 2009-7-14 16076 Plumas North of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1454 Comment
  SEINET10493819  Linum lewisii Mary Susan Taylor 1982-5-28 Taylor 4560 A Plumas T25N R14E nw/sw sec 27. Crocker Mt quad. In Sagebrush Scrub in Squaw Valley, jct of 26N70 & 28N01, ca. 16 mi s of Milford. 5600 ft. 1707 Comment
  CHSC102116  Listera convallarioides Lowell Ahart; John Dittes 2009-7-28 16196 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CAS-BOT-BC110588  Lithophragma Clare B. Hardham 1978-4-19 21590 Plumas Beckworth Pass. Comment
  POM147032  Lithophragma bolanderi Alice Eastwood 1927-06 14524 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  POM222844  Lithophragma glabrum M. Canby 1929-5-12 129 Plumas 15 miles W of Portola Comment
  CHSC43339  Lithophragma tenellum Lowell Ahart 1975-7-9 864 Plumas On an open mountain side, about 1 mile south-west of Pilot Peak. 1981 Comment
  CAS-BOT-BC428424  Lithophragma tenellum Rimo Bacigalupi 1927-7-12 1736 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  UC584304  Lomatium macrocarpum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2246 Plumas n. Engelmine (slopes & ridge crest Red Rock); Red Rock Comment
  RSA0008792  Lomatium nevadense B. C. Templeton 1967-4-27 s.n. Plumas About 6 miles south of Beckwourth Comment
  UC1730233  Lomatium plummerae L. P. Janeway and Glenn Clifton 1998-7-8 5725 Plumas 1.5 mi SW of Diamond Mountain (at junction of Diamond Mountain Motorway (Road 28N15) and unnamed road to small pond on a saddle on the crest) 2115 Comment
  SD6573  Lonicera conjugialis Mrs. R. M. Austin 1879-1 Plumas Comment
  RSA455704  Lonicera involucrata Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  CAS-BOT-BC243914  Lonicera involucrata var. involucrata Alice Eastwood 1909-1-1 129 Plumas Ward Creek, Lake Tahoe Region Comment
  CAS-BOT-BC200955  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54147 Plumas 2.65 miles west of Round Valley Reservoir dam 1569 Comment
  CAS-BOT-BC200957  Lotus A. A. Heller 1938-7-2 15231 Plumas Just outside of Quincy 1097 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
  UC625498  Lotus nevadensis var. nevadensis Frank W. Gould 1938-6-26 455 Plumas 5 mi n Blairsden 1371 Comment
  UC1129104  Lotus oblongifolius var. oblongifolius F. W. Embree 1934-6-6 73 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  JEPS28476  Lotus oblongifolius var. oblongifolius George W. Gillett 1957-7-19 845 Plumas slopes across from Devils Kitchen (1.25 mi above hot springs area); Lassen Volcanic National Park 2057 Comment
  RSA201340  Lotus unifoliolatus J. T. Howell 1960-7-18 35568 Plumas Drakesbad 1677 Comment
  CHSC81804  Ludwigia palustris Lowell Ahart 2001-10-16 9372 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  JEPS48769  Lupinus John Warren Duffield 1937-5-27 Plumas Meadow Valley , Grubstake Flats (Grubstake Flats, sw Plumas Co.) Comment
  RSA0060731  Lupinus adsurgens Daisie Huang 2006-8-11 06081104 Plumas Rattlesnake Creek, N of Hwy 70. 1283 Comment
  RSA0076001  Lupinus adsurgens Daisie Huang 2006-8-11 06081106 Plumas Quincy-La Porte Rd. 1257 Comment
  SEINET5766881 Image available Lupinus albicaulis var. shastensis A. A. Heller, P. B. Kennedy 1907-1 8739 Plumas Red Clover valley Comment
  CDA15403  Lupinus albifrons var. albifrons G. F. Hrusa, T. D. Wilfred 1996-8-23 13528 Plumas Sierra Nevada; alongside USFS 23N51, E side of upper Long Valley Creek above confluence with Bull Run Creek. 1.5 mi. E of Lava Peak, & 2.5 mi. NE of Cromwell townsite. Comment
  SEINET5327646  Lupinus andersonii A. A. Heller, P. B. Kennedy 1907-7-3 8739 Plumas Hills above Red Clover valley. Comment
  SEINET5327645  Lupinus andersonii var. apertus M. J. Williams, Emily McPherson 1974-8-5 74 P-12 Plumas Lake's Basin, Trail from Silver Lake to Mt. Elwell. 2134 Comment
  UC338121  Lupinus arbustus Lemmon Aug. 1883 Plumas Indian Valley mountain slopes Comment
  SJSU14469  Lupinus arbustus N. A. Hopkins 1990-7-1 1626 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1706 Comment
  RSA39741  Lupinus arbustus subsp. calcaratus P. A. Munz 1947-5-17 11822 Plumas 5 miles north of Chilcoot. 1524 Comment
  RSA30591  Lupinus arbustus subsp. silvicola J. T. Howell 1951-6-28 27699 Plumas Eureka Peak. 2134 Comment
  RSA109810  Lupinus arbustus subsp. silvicola E. K. Balls, Lee W. Lenz 1956-6-19 21841 Plumas 1.2 miles east along State Highway 89 from southern tip of Lake Almanor. 1418 Comment
  CAS-BOT-BC208791  Lupinus argenteus var. heteranthus John Thomas Howell 1962-6-17 37712 Plumas Portola - Sierra Nevada 1463 Comment
  CHSC41198  Lupinus argenteus var. meionanthus J. D. Jokerst 1984-7-10 2087 Plumas In rocky spur ridge that descends down into the canyon of Indian Creek just south of Rattlesnake Ravine, between creek and Indian Cr. Road at E end of Genesee Valley. 1234 Comment
  CAS-BOT-BC196669  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  CAS-BOT-BC196675  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Ca 1/4 mi N of Little Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  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
  CHSC106216  Lupinus breweri var. breweri Arthur C. Barrett 1915-7-13 25 Plumas Plumas National Forest. Lone Rock Valley. 1676 Comment
  SEINET10490605  Lupinus caudatus subsp. caudatus J. D. Detzer, M. Sacks 1977-7-14 Detzer 21 Plumas Corolla purple and white. Abundant on dry gravelly soil in open area at edge Of montane coniferous forest, ca 3.5 km ne of squaw pk., On e bank of Unimproved usfs road. Sec 1, t25n, r14e. Assoc.: Lupinus latifolius, Castilleja applegatei, achillea lanulosa, wyethia mollis, monardella Odorissima. 1973 Comment
  SEINET10490670  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-8-19 Taylor 5025 Plumas T26n, r14e ne1/4ne1/4, sec. 14. Ferris creek quad. Along fitch canyon rd., Ca. 1 Mi sw of its jct with milford-beckwourth rd., Ca. 4 Mi. S of milford. Jeffrey pine forest; with wyethia mollis. 1829 Comment
  RSA263045  Lupinus confertus W. E. Harmon 1969-8-18 1566 Plumas Beckworth Pass, 1/2 mi. W. Comment
  SEINET10973211  Lupinus confertus Mary Susan Taylor 1982-7-7 Taylor 4787 Plumas T23N R11E sw/sw sec 11. Johnsville quad. ALong Rd 509 between Sloat and Cromberg, in Long Valley, ca. 0.5 mi ne of Sloat. 4200 ft. 1280 Comment
  CAS-BOT-BC215358  Lupinus dalesiae M. S. Taylor 1982-5-27 4557 Plumas S side of Bucks Lake, Spanish Creek Road, 2.6 miles SW of its jct with Highway 70 in Quincy 1097 Comment
  CAS-BOT-BC215362  Lupinus dalesiae M. S. Taylor 1982-5-26 4533 Plumas Both side of Fell Creek Road (23N22), 4.0 miles W of Lee Summit, ca. 2 air miles NW of Sloat 1341 Comment
  CAS-BOT-BC215373  Lupinus dalesiae M. S. Taylor 1982-6-23 4718 Plumas S side of Peoria Creek Road (23N10), 0.2 mile NE of Oliver Creek, ca. 5 miles SW of Sloat 1615 Comment
  CAS-BOT-BC215419  Lupinus dalesiae Gladys L. Smith 1976-6-7 4591 Plumas Central area of summit ridge, secondary road from Route 70 to La Porte 1950 Comment
  CAS-BOT-BC215424  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Meadow Valley, 2.2 miles E Quincy Road Comment
  CDA14136  Lupinus dalesiae G. F. Hrusa 1997-5-3 13826 Plumas Sierra Nevada; E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC35908  Lupinus dalesiae M. S. Taylor 1982-6-17 4701 Plumas N side of 23N09.1- Eureka Ridge Rd, 0.2-0.3 mi w of its jct with Popular Creek Rd (23N08), s of Sloat. 1402 Comment
  HSC93578  Lupinus dalesiae G. Fred Hrusa 1996-7-21 13382 Plumas Above Little Long Valley Creek, NW base of Lava Pk. 1600 Comment
  RSA104638  Lupinus dalesiae Joseph Clemens 1920-6-3 s.n. Plumas Greenville Comment
  UC1502137  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas s side of Poplar Creek Rd (23N08) ca 1 mi s Sloat (0.1 mi e of bridge); Johnsville Quad., s of Sloat 1280 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
  SEINET10452058  Lupinus dalesiae Mary Susan Taylor 1982-6-17 Taylor 4694 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  SEINET10452067  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4605 Plumas T23N R11E nw/ne sec 22. Johnsville quad. S side of Poplar Creek Rd (23N08), 0.1 mi e of bridge, ca. 1 mi s of Sloat. 4200 ft. 1280 Comment
  SEINET10452068  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4600 Plumas T23N R11E nw/se sec 17. Blue Nose Mt quad. On n side of White Cap Rd, 1.1 & 1.2 mi s of its jct with 23N10, sw of Sloat. 5000 ft. 1524 Comment
  SEINET10485180  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4691 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite roadcut On and road, both sides of 23n44y, 1.3 mi. W of its jct with 23n50y, ca 2 air Mi. Sw of sloat. With silene lemmonii, collinsia torreyi. 1494 Comment
  SEINET10906995  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4530 Plumas T23N R10E se sec 26. Blue Nose Mt quad. On w facing rdbk, w side of Peoria Creek Rd 923N10), 13.5 mi sw of its jct with Poplar Creek just s of Sloat. Old burn now brushfields; 4800 ft. 1463 Comment
  SEINET10970248  Lupinus dalesiae Mary Susan Taylor 1982-6-21 Taylor 4887 Plumas T24n r10e e1/2se1/4 sec 7. Quincy quad. American valley, on ne side of hills S of greenhorn creek, ca 1.5 mi. Ne of quincy. Mixed evergreen forest; with Erigonum nudum, lupinus grayi, apocynum pumilum. 1067 Comment
  SEINET10973213  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24N R10E nw/sw sec 33. Spring Garden quad. Mixed Evergreen Forest; on rdcut, n side of 24N26, 0.5 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4500 ft. 1372 Comment
  SEINET8042174  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-12 8823 Plumas Near Greenville Comment
  SD147572  Lupinus grayi John Thomas Howell 1966-7-29 42010 Plumas Quincy 1035 Comment
  SEINET6655075  Lupinus grayi LeDoux, Conrad; Dunn 1973-6-5 1092 Plumas Collected 2.2 mi from jct. of Hwy 89 and 70.; 0 Comment
  OBI2925  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterly Crk 2 mi S of Keddie 1036 Comment
  SEINET10450572  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  CHSC37521  Lupinus lepidus var. confertus M. S. Taylor 1982-8-10 4960 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  UC1129513  Lupinus lepidus var. confertus C. G. Albertus 1935-7-20 218 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  UC865266  Lupinus lepidus var. confertus A. A. Heller 1938-6-14 15160 Plumas Feather River Highway near Gray's Flat; Feather River Highway near Gray's Flat 868 Comment
  CDA27462  Lupinus lepidus var. sellulus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3093 Plumas 1.8 miles north of Lawrence Street, Quincy, on Highway 70/89. Comment
  CHSC56542  Lupinus obtusilobus L. P. Janeway 1984-7-15 921 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  RSA0076010  Lupinus onustus Daisie Huang 2006-8-11 06081108 Plumas Forest Rd. 18N38, 4.9 ENE of its jct with Old Haun Rd. 1744 Comment
  UC665312  Lupinus onustus Elmer I. Applegate 1934-5-3 8910 Plumas 2 mi n Quincy; n of Quincy Comment
  CHSC117449  Luzula cascadensis Lowell Ahart 2016-6-29 21076 Plumas About 20 yards east of Forest Service Road 22N72, about 1/4 mile sourtheast of Table Mountain, about 1 3/4 miles (air) northwest of Tamarack Flat, about 3 3/4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1760 Comment
  JEPS96116  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CAS-BOT-BC436595  Luzula cascadensis Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad Meadow Comment
  CAS-BOT-BC436597  Luzula cascadensis John Thomas Howell 1951-6-27 27595 Plumas Sierra Nevada: McRae Meadow 1981 Comment
  CHSC53721  Luzula comosa var. laxa L. P. Janeway 1989-7-11 3476 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. Along border of creek. 1691 Comment
  JEPS85609  Luzula comosa var. laxa Leland S. Smith 1927-8-10 2179 Plumas Near top of ridge, near small pond Gold Lake 2286 Comment
  CAS-BOT-BC441254  Luzula macrantha John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2425 Plumas Butterfly Botanical Area and vicinity: area adjacent to the mouth of Butterfly Creek 883 Comment
  CHSC76151  Luzula parviflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3342 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  RSA68994  Lysimachia nummularia D. D. Keck 1932-7-3 1627 Plumas Quincy, along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  CAS-BOT-BC343784  Madia elegans David D. Keck 1932-7-3 1620 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC342867  Madia glomerata John Thomas Howell 1961-9-23 36840 Plumas Indian Valley 1082 Comment
  CDA13418  Madia glomerata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13266 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC41885  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas Near serpentine area, about 1 mile north-west of Pilot Peak, about 14 miles north-east of la Porte. 1950 Comment
  CHSC84501  Madia glomerata John Dittes; Lowell Ahart 2003-8-8 2003 -83 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  JEPS40374  Madia glomerata W. L. Jepson 1939-8-16 19424 Plumas Dixie Valley 1767 Comment
  CAS-BOT-BC342845  Madia glomerata Joseph Andorfer Ewan 1934-7-18 8574 Plumas Sierra Nevada of Plumas County. Along MIddle Fork Feather R. at Portola 1676 Comment
  CAS-BOT-BC342847  Madia glomerata Greg Sommers 1976-8-3 205 Plumas Sierra Valley Marsh, 1 km southeast of metal bridge on Dyson Lane 1524 Comment
  CAS-BOT-BC342865  Madia glomerata John Thomas Howell 1959-9-22 34848 Plumas Drakesbad 1737 Comment
  RSA518824  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  SEINET11601374 Image available Madia glomerata A. A. Heller, P. B. Kennedy 1907-7-18 8883 Plumas Beckwith [Beckwourth] Comment
  UC1562733  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas ca 12 airmiles ssw Susanville (Snoring Springs 1/2 mi n of Diamond Mt-Greenville-Red Rock Jct); Diamond Mines, Snoring Springs 1981 Comment
  CAS-BOT-BC343272  Madia gracilis John Thomas Howell 1962-6-17 37660 Plumas Butterfly Valley 1036 Comment
  JEPS40376  Madia gracilis W. L. Jepson 1939-8-7 19345 Plumas Meadow Valley Comment
  CAS-BOT-BC343280  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43246 Plumas North Fork of Feather River at Caribou 914 Comment
  UCD134298  Madia gracilis John Thomas Howell; T. C. Fuller, G. D. Barbe 1981-6-24 54252 Plumas about 2.5 miles southeast of Mt. Hough on the road of Quincy. 1798 Comment
  RSA95494  Madia minima L. S. Rose 1954-5-30 54058 Plumas Johnsville 1601 Comment
  CHSC100030  Maianthemum stellatum Lowell Ahart 2008-8-14 15202 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC21565  Maianthemum stellatum D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC512877  Maianthemum stellatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1515 Plumas North end of Pond Reservoir 1097 Comment
  UC53882  Malacothrix floccifera H. M. Hall and E. B. Babcock july, 1903 4433 Plumas Indian Valley Sierra Nevada Mountains 1066 Comment
  RSA551267  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m wet of metal bridge. 1524 Comment
  CHSC24260  Marsilea vestita K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  HSC93324  Matricaria discoidea Vernon H. Oswald, L. Ahart 1996-7-15 8014 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  CHSC101932  Melica aristata Lowell Ahart; John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side 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
  RSA71304  Melica aristata L. S. Rose 1951-6-27 51023 Plumas Johnsville. 1601 Comment
  CAS-BOT-BC282092  Melica fugax Lowell Ahart 1986-7-8 5347 Plumas About 1 mile NW of Pilot Peak, ca 14 miles NE of La Porte 1981 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
  CHSC34301  Melica stricta J. D. Jokerst; R. A. Schlising 1981-8-1 1450 Plumas In the saddle between Humboldt Peak and Eagle Peak; ca 0.5 mi NE of the former. Comment
  CAS-BOT-BC264181  Melica subulata John Thomas Howell 1962-6-17 37682 Plumas Butterfly Valley, Sierra Nevada 1036 Comment
  JEPS114925  Melica subulata Lowell Ahart 2008-7-16 15071 Plumas East of a small meadow (swamp) about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  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
  RSA101405  Mentha canadensis R. Weatherby 1955-8-4 1670 Plumas No Ear Bar, Middle Fork Feather River 915 Comment
  RSA59236  Mentha canadensis E. K. Balls 1950-8-31 15539 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  JEPS113377  Mentzelia albicaulis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13990 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC420644  Mentzelia albicaulis Katharine Brandegee June 1913 Plumas Canyon of the Truckee Comment
  SDSU8068  Mentzelia dispersa R. M. Beauchamp 1965-7-17 Plumas Growing beside the Feather River, 1/2 mile north of Chester, CA. Comment
  SEINET10937489  Mentzelia dispersa Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3878 A Plumas T24N R13 E nw/ne sec 8, Grizzly Valley quad; open rocky ridgetop, ca. 1/4 mi S of Beckwourth-Genesee Valley Rd, ca. 1/4 mi SW of W end of Red Clover Valley; elevation 5600 ft. 1707 Comment
  SEINET195005  Mentzelia laevicaulis A. A. Heller 1937-8-25 16171 Plumas Along the Feather River near Bucks Creek Power House. Comment
  SD7602  Mentzelia laevicaulis Mrs. R. M. Austin 1875-1 Plumas Soda Springs Comment
  RSA59412  Menyanthes trifoliata E. K. Balls 1950-9-8 15713 Plumas stream to west of Lakes Center Public Campground 2043 Comment
  CHSC74074  Mertensia ciliata var. stomatechoides B. Castro; L. Gehrung 1996-8-8 713 Plumas Ca 5 air mi S of Bucks Lake and 0.6 mi N of the Hartman Bar Trailhead, along sides of USFS Rd 23N58, ca 0.5 mi S of its jcn with Rd 23N15. On E-facing upper ridge slopes near headwaters of E-trending drainages. 1737 Comment
  CHSC21820  Micranthes F. T. Griggs; A. Pass 1975-7-10 149 Plumas Bucks Lake. Comment
  CHSC35261  Micranthes aprica M. S. Taylor 1981-5-8 3652 Plumas At jct of rds 26N18, 26N92 and 27N92, ca. 1/2 mi e of Long Valley Mine ca.4 air mi w of Greenville. 1615 Comment
  CHSC98563  Micranthes aprica L. P. Janeway 2007-6-3 9016 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC349349  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC87640  Microseris nutans Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10909 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy. 1147 Comment
  CHSC53207  Microsteris gracilis L. P. Janeway 1989-6-14 3309 Plumas Plumas National Forest. Along southerly side of Red Clover Valley. 1685 Comment
  RSA31682  Microsteris gracilis subsp. gracilis A. A. Heller 1938-5-21 15101 Plumas Just north of Chester 1305 Comment
  CHSC81629  Mimetanthe pilosa Lowell Ahart 2001-10-8 9303 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CDA9207  Mimulus bifidus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .255 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  SEINET3365893 Image available Mimulus breweri Barbara Ertter, Jeffrey Strachan 1980-7-31 3889 Plumas Plumas National Forest; Dixie Creek ca 3/4 mile east of Milford-Beckwourth Road (near cattle guard) 1707 Comment
  JEPS8114  Mimulus breweri W. L. Jepson 1927-6-22 12291 Plumas naer Lassen Peak (ridge n of Hot Springs Valley) 1828 Comment
  CAS-BOT-BC9753  Mimulus discolor Ella D. Cantelow 1940-5-10 4425 Plumas West of Buck's Lake Comment
  RSA59263  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas Spanish Creek off Hwy 24, just north of Quincy. 1067 Comment
  RSA60116  Mimulus guttatus E. K. Balls 1950-9-2 15636 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  SBBG7006  Mimulus guttatus A. A. Heller, P. B. Kennedy 1907-7-11 8794 Plumas Prattville Comment
  UC1063130  Mimulus guttatus C. W. Hanks 1934-8-10 33 Plumas canyon at ne edge Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET10570353  Mimulus guttatus Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5179 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET10570243  Mimulus mephiticus Mary Susan Taylor 1981-5-10 Taylor 3664 B 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
  JEPS104652  Mimulus microphyllus Lowell Ahart 2003-7-18 10425 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
  CAS-BOT-BC9752  Mimulus montioides Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 miles south of Quincy on road to La Porte. 1981 Comment
  CHSC20820  Mimulus moschatus K. R. Stern 1975-7-24 5833 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC69520  Mimulus moschatus Lowell Ahart 1997-9-11 7895 Plumas On the west side 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
  RSA519037  Mimulus moschatus Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8633 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts ca 9 airmiles S of Susanville. 1768 Comment
  JEPS80653  Mimulus nanus var. mephiticus M. S. Taylor 1981-7-29 4140 Plumas 1.3 mi s Flournoy Bridge (e side of 25N42 (Flournoy Grade), ca. 3 mi e of Genesee); Genesee Valley quad. 1341 Comment
  RSA535572  Mimulus nanus var. mephiticus David M. Thompson 1988-6-8 939 Plumas Genesee. 0.8 mi S of Flournoy Bridge along USFS Road 25N42 to Nye Creek. Comment
  UC149906  Mimulus nanus var. mephiticus Katharine Brandegee 1911-7-30 Plumas Portola Comment
  RSA309212  Mimulus primuloides R. Wilcox 1944-8-22 s.n. Plumas Cascade Ranger Station (2 mi. n.), South Branch Middle Feather River. 1220 Comment
  JEPS28643  Mimulus pulsiferae George W. Gillett 1957-7-19 840 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  UC1585905  Mimulus torreyi Barbara Ertter 1989-7-4 8684 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  RSA101397  Mimulus torreyi R. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  JEPS48659  Mitella breweri Esther C. Fritz 1933-7-15 Plumas stream bank in meadow w Spanish Peak 2133 Comment
  CHSC61737  Monardella follettii L. P. Janeway 1993-7-15 4439 Plumas Plumas National Forest. Steep northwest-facing slope overlooking Virgilia (East Branch North Fork Feather River) at the saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek ( a tributary of East Branch North Fork Feather River). 1563 Comment
  CHSC118658  Monardella follettii Noah Siegel 2015-7-29 2015007 Plumas Plumas National Forest. Located on the north side of Rush Creek Hill, just south of Forest Service road 26N67F4. UTM 660981 E, 4437231 N, NAD83 Zone 10N. 1825 Comment
  CHSC75509  Monardella odoratissima G. F. Hrusa; J. Dinsdale 1989-6-25 7193 Plumas Sierra Nevada. At Bucks Lake north shore. [Original lat./long. on label is '39 54 N; 121 10 W']. 487 Comment
  SEINET10498933  Monardella odoratissima Melvin L. Conrad 1973-6-5 Conrad 7046 Plumas Yellow pine and douglas fir in plumas natl forest off hwy 70 1067 Comment
  UCR280844  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  CAS-BOT-BC222109  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1973-7-31 50114 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC61923  Monardella odoratissima subsp. pallida Lowell Ahart 1993-9-24 7264 Plumas On the north side of Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
  CHSC93084  Monardella odoratissima subsp. pallida L. P. Janeway 1994-7-8 4692 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  RSA794998  Monardella odoratissima subsp. pallida L. Ahart, John Dittes 2009-7-15 16097 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  UC485787  Monardella odoratissima subsp. pallida H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC614709  Monardella odoratissima subsp. pallida L. Constance 1938-6-10 2317 Plumas West edge of Lake Almanor at Prattville. 1219 Comment
  CHSC52052  Monardella sheltonii L. P. Janeway 1989-6-23 3399 Plumas Cyn of N Fk Feather River at Chambers Cr. Along hwy 70. 624 Comment
  CHSC52054  Monardella sheltonii L. P. Janeway 1989-7-6 3459 Plumas Plumas National Forest. S-facing volcanics outcropping 'barren' area above Jackson Cr and Middle Fk Feather River; 2.3 mi from hwy 89/70 on rd 23N11, then 1.1 mi on 23N48. 1645 Comment
  CHSC52056  Monardella sheltonii L. P. Janeway 1989-8-2 3546 Plumas Plumas National Forest. Above western branch of Bell Bar Cr; 0.6 mi S of Middle Br Feather River and 1 3/4 mi NE of White Cap. 1493 Comment
  CHSC61749  Monardella sheltonii L. P. Janeway 1993-7-28 4474 Plumas Plumas National Forest. Top of ridge on southwest side of South Branch Ward Creek. Along access road 3.4 mi southeast of Genesee Valley. 1584 Comment
  CHSC61750  Monardella sheltonii L. P. Janeway 1993-7-28 4479 Plumas Plumas National Forest. East side of Ward Creek 0.2 mi north of confluence of its North and South Branches. Along dirt road mine access in bottom of canyon; 1.1 mi south of Genesee Valley. 1280 Comment
  CHSC67972  Monardella sheltonii James D. Jokerst 1989-7-3 3116 Plumas S-facing roadcuts on Hwy. 70 4 mi W of Greenville Y (I.e., jct. Hwys. 70 and 89). Comment
  CHSC67974  Monardella sheltonii James D. Jokerst 1989-7-3 3121 Plumas Caribou Rd. 3.2 mi N of Hwy. 70. Comment
  CAS-BOT-BC220490  Monardella sheltonii A. A. Heller; P. B. Kennedy 1907-7-12 8824 Plumas Near Greenville Comment
  SEINET10582354  Monardella sheltonii A. Graff 1993-7-21 Graff 282 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET10829414  Monardella sheltonii A. Graff 1993-7-21 Graff 283 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET12334042  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3459 Plumas Johnsville quad T23N R12E NW? of sec20, Above Jackson Cr. and Middle Fk Feather River, 2.3 mi from * 1646 Comment
  CHSC112527  Montia chamissoi B. Castro; L. P. Janeway 2008-6-8 1739 Plumas Northern High Sierra Nevada. About 550 ft west of Crocker Creek, on west side of Beckwourth-Genesee Road ca 1 mi north of Crocker Guard Station. 1712 Comment
  SEINET10572654  Montia chamissoi Mary Susan Taylor 1981-5-10 Taylor 3677 Plumas T27N R13E nw/sw sec 19. Antelope Lake quad. E side of Antelope Lake, in and around large wet Pioneer Meadow, ca. 20 air mi ne of Taylorsville. 5040 ft. 1536 Comment
  CHSC82461  Montia fontana Lowell Ahart 2002-6-26 9795 Plumas Growing along and in a small stream, about 150 yards north of the gravel road, about 1/4 mile (air) west of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1718 Comment
  CHSC58195  Montia fontana subsp. amporitana Vernon H. Oswald; Lowell Ahart 1992-6-22 5017 Plumas Lassen Volcanic National Park. Ca. 0.4 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Locally common on a vernally wet but now dry slope bordering the road. 1767 Comment
  CHSC60553  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. Wet meadowy areas around oxbow pond. 1485 Comment
  CHSC97543  Montia linearis Lowell Ahart; John Dittes 2007-6-16 14087 Plumas Meadow area on the sides of 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-BC445088  Montia linearis Mary Strong Clemens 1920-5-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC445099  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  SEINET5334397  Montia linearis J. Young 1982-1 s.n. Plumas Dye Creek Meadow 1524 Comment
  SD8153  Montia verna Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  UC1024706  Muhlenbergia andina L. Whitney 1934-8-19 2138 Plumas nw end of valley Plumas N. F., Grizzly Valley 1828 Comment
  CAS-BOT-BC267005  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34846 Plumas Drakesbad 1737 Comment
  CHSC113872  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1810 Comment
  SEINET3144064  Muhlenbergia filiformis E. K. Balls 1950-9-2 15635 Plumas Nye Meadows, W slope Mt. Ingall 2256 Comment
  UC384670  Muhlenbergia filiformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC267007  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Drakesbad 1828 Comment
  UCD149815  Muhlenbergia minutissima William Anderson 1964-5-24 s.n. Plumas Feather River Canyon. Comment
  CHSC67414  Muhlenbergia richardsonis James D. Jokerst 1985-6-10 2400 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC97612  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, along bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SEINET10836245  Muhlenbergia richardsonis Lowell Ahart 1985-7-11 Ahart 5126 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1585 Comment
  RSA496339  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-30 1297 Plumas E of Quincy. Irrigation ditch running through heavily-used pasture, with Typha, Carex. 1200 Comment
  CAS-BOT-BC392266  Myosurus apetalus Catherine Best 1980-6-13 s.n. Plumas Sierra Valley, Highway A23 2 miles north of Plumas - Sierra County line Comment
  CAS-BOT-BC392271  Myosurus apetalus W. Harnach; N. Harnach 1989-4-16 032 Plumas Sierra Valley. 3/4 mile west of Steel Bridge on Marble Lane 1487 Comment
  CDA37256  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Plumas Eagle Lake; Mariners Resort. 0 Comment
  SD81980  Myriopteris gracillima Mrs. R. M. Austin Nov 1877 Plumas Quincy Comment
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Jul 11 2010
  SEINET10501564  Najas guadalupensis Mary Susan Taylor 1981-9-3 Taylor 4266 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  JEPS1361  Nama lobbii W. L. Jepson 1939-7-31 19314 Plumas s slope Spanish Peak 2042 Comment
  SD46637  Nama lobbii Robert J. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  CHSC102018  Narthecium californicum L. P. Janeway; B. Castro 2009-8-29 9931 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  SEINET12051522  Narthecium californicum W. Knight, Knight, T. 1991-1 6605 Plumas Butterfly Valley Botanical Preserve Comment
  JEPS113464  Navarretia breweri Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13996 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
  UC1075685  Navarretia breweri Robert J. Weatherby 1955-7-2 1571 Plumas near Taylor Lake; Bear Ridge 2194 Comment
  CHSC82560  Navarretia capillaris Lowell Ahart 2002-7-18 9867 Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  UCD106106  Navarretia capillaris John Thomas Howell 1960-7-18 35600 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  OBI48921  Navarretia divaricata Lewis S. Rose 1941-7-9 41300 Plumas Chambers Lodge (McKinney), Lake Tahoe 640 Comment
  SEINET7974320 Image available Navarretia divaricata A. A. Heller, P. B. Kennedy 1907-7-3 8698 Plumas Hills above Red Clover Valley Comment
  CDA18470  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3228 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CHSC94189  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-3 12905 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the west edge of a dry open basalt flat. 1527 Comment
  CHSC94202  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-9 12929 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  UCD48476  Navarretia intertexta John Thomas Howell 1955-7-20 30872 Plumas Mohawk, Plumas Co. 1371 Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC23588  Navarretia intertexta subsp. propinqua Nancy Mosman 1971-7-17 107 Plumas Found along roadside meadow 50 ft w of Hwy 32 ca. 3.8 mi s of Chester. 1371 Comment
  CDA14321  Navarretia intertexta subsp. propinqua H. George 1998-7-27 s.n. Plumas Sierra Nevada; near Quincy. 0 Comment
  POM75730  Navarretia leptalea Marcus E. Jones 1897-7-5 10178 Plumas Prattville. 1372 Comment
  UC726817  Navarretia leptalea subsp. leptalea A. A. Heller 1941-7-29 16269 Plumas Highway #36, 7 mi w Chester; w of Chester Comment
  UC932014  Navarretia leptalea subsp. leptalea Verne Grant, Alva Grant 1948-7-11 Plumas Lava Cap Lava Cap (southwestern Plumas County) Comment
  CHSC90939  Nemophila heterophylla Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11748 Plumas On the north side of Highway 70, about 1/8 mile east of Chambers Creek, about one mile northeast of Indian Jim Campground. 629 Comment
  CHSC43347  Nemophila parviflora var. austiniae Lowell Ahart 1975-7-20 907 Plumas Near Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  SEINET5520937  Nemophila pedunculata W. Harnach, N. Harnach 1989-3-29 008 Plumas Sierra Valley, hillside north of Barry corrals 1585 Comment
  CHSC702  Nemophila spatulata 1932-5-29 Plumas Almanor meadows. 1432 Comment
  CAS-BOT-BC400100  Nuphar polysepala Fred Sommers; Greg Sommers 1976-6-16 G 124 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  SJSU14291  Oenothera californica subsp. avita N. A. Hopkins 1989-6-7 1527 Plumas c. 5 mi N of Chilcoot on rd to Frenchmans Cr Reservoir Comment
  CHSC57433  Oenothera flava L. P. Janeway; Melinda Carlson 1991-6-18 4046 Plumas Plumas National Forest. North side Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. In horse pasture. 1472 Comment
  SD7306  Oenothera heterantha Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC21543  Oreostemma alpigenum var. andersonii D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC66611  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-7-15 8048 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Camp-ground on Forest Rd. 28N11. 1371 Comment
  CHSC116357  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  CAS-BOT-BC499781  Orobanche californica subsp. jepsonii Lowell Ahart 1974-8-15 s.n. Plumas Sierra Nevada: 1 mi N of Bunker Hill Mine 1828 Comment
  SEINET5866801  Orobanche corymbosa W. Harnach, N. Harnach 1989-6-29 202 Plumas Sierra Valley, Approx 6 road miles E of Beckwourth on Hwy 70, Hindoo Ranch 1490 Comment
  CHSC100441  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS114612  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  CAS-BOT-BC238431  Orthocarpus W. Harnach; N. Harnach 1990-6-13 374 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  RSA537510  Orthocarpus cuspidatus subsp. copelandii Barbara Ertter 1988-7-25 7859 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  JEPS80623  Orthocarpus cuspidatus subsp. cryptanthus M. S. Taylor 1981-8-4 4155 Plumas ca 4 air mi nw Antelope Lake (ca 13 air mi ne of Taylorsville, on top of Wildcat Ridge); Diamond Mt. Quad., nw of Antelope Lake, top Wildcat Ridge 2164 Comment
  JEPS93930  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald and Lowell Ahart 1998-8-11 9489 Plumas nw of Onion Valley at Monitor Flat on Cleghorn Bar Road 2.5 mi w of Quincy-La Porte Road (County Road 511) Monitor Flat; , Cleghorn Bar Road 1905 Comment
  SEINET10832405  Orthocarpus hispidus Mary Susan Taylor 1982-7-8 Taylor 4800 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  PASA155  Orthocarpus lacerus Margaret Stason 1932-6-22 Plumas Lake Almanor camp ground Comment
  POM181066  Orthocarpus lacerus A. A. Heller, P. B. Kennedy 1907-7-11 8797 Plumas Prattville. Comment
  POM293497  Orthocarpus lacerus Lyman D. Benson 1949-6-21 13741 Plumas 1 mile west of Lake Almanor Inn. Cascade mtn range, Feather River drainage area. 1341 Comment
  RSA52866  Osmorhiza berteroi R. Weatherby 1950-7-7 1450 Plumas Gansner Creek, Quincy. 1220 Comment
  UC1075672  Osmorhiza berteroi Robert J. Weatherby 1950-7-7 1450 Plumas Gansner Creek Quincy 1219 Comment
  CDA13995  Osmorhiza occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC71628  Osmorhiza occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Rd. (County Rd. 511) at the South Fork Feather River west of Pilot Peak. 1920 Comment
  SJSU14720  Osmorhiza occidentalis N. A. Hopkins 1991-7-3 1696 Plumas N of Doyles Crossing 20 mi N of Red Clover Valley on road to Janesville 1524 Comment
  CHSC54464  Packera pauciflora Vernon H. Oswald; Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. In the west portion of the fenced enclosure at the springs. 1310 Comment
  CAS-BOT-BC121006  Paeonia brownii Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region. 1920 Comment
  UC1778609  Paeonia brownii G. Douglas Barbe, T. C. Fuller 1982-7-16 3780 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 mile S of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC121012  Paeonia brownii Rimo Bacigalupi 1927-7-12 1729 Plumas Along littel Gray Eagle Creek near Lakes Center Camp, Gold Lake Region. Comment
  RSA286273  Panicum acuminatum var. acuminatum R. F. Thorne 1974-7-30 44994 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UCD32833  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 d Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89958  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  SEINET13754228  Pedicularis attollens A. A. Heller, P. B. Kennedy 1907-7-4 8714 Plumas Red Clover Valley Comment
  RSA0006086  Pedicularis densiflora subsp. aurantiaca E. F. Sprague 1957-5-30 1206 Plumas Lake Almanor. 1311 Comment
  RSA71071  Pedicularis semibarbata L. S. Rose 1951-6-28 51058 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CAS-BOT-BC69357  Pellaea brachyptera Emily K. Mcpherson 1976-11-7 76 32 -1 Plumas Portola Quad. 5 miles north of Beckwourth 1920 Comment
  UC1874920  Pellaea brachyptera Ruth Kirkpatrick 2002-7-18 1137 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  UC338513  Pellaea bridgesii J. G. Lemmon and wife June 1889 Plumas Gold Lake Valley Comment
  RSA169433  Penstemon deustus subsp. deustus L. S. Rose 1963-6-2 63082 Plumas 4 mi. w. of Virgilia. East branch, North Fork of Feather River. 762 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
  CHSC52741  Penstemon gracilentus L. P. Janeway 1990-8-29 3836 Plumas Plumas National Forest, Beckwourth Ranger District, Mt. Ingalls Compartment. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  SEINET7948412 Image available Penstemon gracilentus N. H. Holmgren, P. K. Holmgren, D. Lepley, E. Corbin, M. Dolan 2015-7-13 16607 Plumas Sierra Nevada, North Fork Feather River Drainage, about 12.5 km (7.5 miles) air distance west-northwest of Chester (from where Feather River Drive intersects with SR 36) 1571 Comment
  UC103032  Penstemon gracilentus D. Cleveland 1882-7-21 Plumas Prattville Comment
  UC614470  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas %w edge Lake Almanor at Prattville; w edge Lake Almanor at Prattville 1219 Comment
  CHSC69694  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 B Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  NY604244  Penstemon janishiae B. J. Ertter 1989-7-3 8667 Plumas Diamond Mountain peak ca. 7 airmiles south of Susanville. 2316.5 Comment
  CHSC102192  Penstemon laetus Barbara Ertter; Gary Schoolcraft 1989-7-3 8652 Plumas W-facing steep rocky slope below Red Rock lookout, ca 8 airmiles S of Susanville. 2255 Comment
  UCR3602  Penstemon laetus Wm. Horn Jr. 1963-6-24 630624- 02 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CAS-BOT-BC6803  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  CHSC9731  Penstemon neotericus Nancy Mosman 1971-7-17 108 Plumas Found in meadow 25 ft w of Hwy32 ca. 3.8 mi s of Chester. 1371 Comment
  JEPS11629  Penstemon neotericus W. L. Jepson 1939-7-31 19307 Plumas lower slopes Spanish Peak Spanish Peak, lower slopes 2011 Comment
  CDA14736  Penstemon newberryi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3268 Plumas Mount Hough summit. 2194 Comment
  UCR3612  Penstemon newberryi Wm. Horn Jr. 1963-6-29 630629- 2 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC239296  Penstemon newberryi var. berryi H. C. Cantelow 1938-7-5 2328 Plumas Flatiron Ridge, Drakesbad Comment
  LA209544  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC88859  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1463 Comment
  CHSC88981  Penstemon personatus L. Hanson 1988-8-22 329 Plumas Plumas National Forest. Buckhorn Creek. 1676 Comment
  CHSC88985  Penstemon personatus L. Hanson 1988-8-29 330 Plumas Plumas National Forest. Hardquartz Mine. 1615 Comment
  NY630463  Penstemon personatus D. M. Thompson 1988-7-23 973 Plumas 3.1 road miles north of Bucks Lake Road (and Meadow Valley) on Schneider Creek Road. At junction of Schneider Creek Road (USFS Road 23N16) and USFS Road 24N47X (to Big Creek); Bucks Lake NE Quad. 1585.0 Comment
  SEINET11262173  Penstemon personatus Robert L. Johnson, Mikel R. Stevens 2015-7-11 3952 Plumas Northern High Sierra Nevada. 0.6 rd mi S of jct with Cold Water Rd and Red Mtn Road on Gravel Range Rd. Ca 3.5 air mi south of Bucks Lake.; 0 1771 Comment
  CHSC21547  Penstemon roezlii L. M. Mayer 1975-7-9 Plumas Bucks Lake Floristic Survey. Comment
  NY660835  Penstemon speciosus F. W. Pennell 1940-6-11 25815 Plumas Route 24, 3 miles east of Portola 1493.5 Comment
  RSA21571  Penstemon speciosus Carl B. Wolf 1937-9-5 9280 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  CAS-BOT-BC77077  Pentagramma triangularis subsp. triangularis John Thomas Howell 1967-6-23 42730 Plumas Sierra Nevada - Lewisia Rock 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  POM180937  Perideridia bolanderi subsp. bolanderi A. A. Heller, P. B. Kennedy 1907-7-4 8724 Plumas Ridge east of Red Clover Valley Comment
  RSA755679  Perideridia lemmonii L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16158 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  SEINET12121326  Perideridia parishii W. Knight, Knight, I. 1983-1 4894 Plumas Warner Creek Campground between Chester & Drakesbad 1539 Comment
  CHSC21680  Perideridia parishii subsp. latifolia D. Brink; L. Mayer 1975-8-6 Plumas 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
  SEINET10840956  Perideridia parishii subsp. latifolia Mary Susan Taylor 1981-7-17 Taylor 4030 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CAS-BOT-BC413566  Persicaria amphibia Thomas H. Kearney 1944-8-14 45 Plumas Near Prattville, Lake Almanor Comment
  CHSC66636  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1996-7-15 8011 Plumas S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. Growing on the wet strand of the lake. 1371 Comment
  CHSC97208  Persicaria maculosa Lowell Ahart; Josephine Guardino 2007-7-20 14329 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  SEINET4335752  Persicaria maculosa E. K. Balls 1950-8-31 15544 Plumas Spanish Creek, off Hwy 24, just north of Quincy 1067 Comment
  CHSC31264  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas Plumas National Forest. On side of dirt road by Murphy Creek, 10 m W of CA 70, 3.5 km (2.2 mi) W of Belden Power House, Belden. Comment
  UC642419  Phacelia hastata A. A. Heller and P. B. Kennedy 1907-7-6 8755 Plumas Red Clover valley Comment
  RSA189323  Phacelia heterophylla subsp. virgata L. S. Rose 1967-7-12 67171 Plumas 1 mile S of Keddie; Butterfly Creek & Spanish Creek. 884 Comment
  CHSC26167  Phacelia humilis Detzer; Sacks 1977-7-16 45 Plumas On se border of Conklin Park Meadow, ca. 3.5 km from Squaw Peak. 1973 Comment
  SEINET10902915  Phacelia humilis Mary Susan Taylor 1981-6-16 Taylor 3913 Plumas T23N R13E ne/ne sec 8. Grizzly Valley quad. n side of 23N88, a loop road off rd 24N07, ca. 3/4 mi NW of Smith Peak Lookout, ca. 7 air mi NE of Blairsden. 6800 ft elev. 2073 Comment
  UC1594634  Phacelia hydrophylloides Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5046 Plumas near entrance of Lakes Basin Campground (ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd 519)) 1926 Comment
  JEPS3249  Phacelia mutabilis John Warren Duffield 1937-7-18 Plumas se Spanish Peak; Schneider Creek Comment
  JEPS55979  Phacelia mutabilis Clarence R. Quick 1963-7-23 63 -72 Plumas near Mud Lake (n of Kettle Rock); Sierra Nevada Comment
  RSA169420  Phacelia mutabilis L. S. Rose 1963-6-5 63137 Plumas East Branch, North Fork of Feather River, 0.5 miles north of Rich Bar. 823 Comment
  CAS-BOT-BC134015  Phacelia procera Rimo Bacigalupi 1927-7-8 s.n. Plumas near Camp Elwell (Gold Lake Region) 1889 Comment
  CHSC62359  Phacelia procera B. Castro; R. Fallscheer, R. Zebell 1989-8-15 398 Plumas Ca 5 air mi S of Bucks Lake, ca 200 ft E of Coldwater Creek, and ca 0.2 mi S of Ohio Ravine in moist ditch along E side of USFS Rd 23N18. 1569 Comment
  CHSC41438  Phacelia racemosa Lowell Ahart 1986-6-22 5326 Plumas Along the Pacific Crest Trail, about 1/2 mile east of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles north-east of Butte Meadows. 2103 Comment
  CHSC58191  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5020 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca 0.6 mi ENE of Little Willow Lake. 1767 Comment
  JEPS1049  Phacelia racemosa W. L. Jepson 1910-6-9 4104 Plumas near Lassen Peak (mt. slopes); Hot Springs Valley 1950 Comment
  CHSC82443  Phalaris arundinacea Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9832 Plumas On the north side of Forest Road 22N94, about 50 yards west of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1583 Comment
  CAS-BOT-BC128860  Philadelphus John Thomas Howell 1959-9-21 34739 Plumas Beldon 701 Comment
  RSA0046808  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas Near Grizzly Dome tunnel on Highway 25. 610 Comment
  JEPS113549  Phleum pratense Lowell Ahart, Josephine Guardino 2007-7-21 14360 Plumas Along a small stream, near a spring, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  RSA59338  Phleum pratense E. K. Balls 1950-9-8 15705 Plumas Lakes Center Public Campground 2043 Comment
  CHSC113657  Phlox diffusa L. P. Janeway 2014-5-25 11267 Plumas High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Houmboldt Peak; Pacific Crest Trail nearby. 2073 Comment
  HSC22973  Phlox diffusa John Pratt 1970-6-30 55 Plumas Humboldt Summit Comment
  JEPS69947  Phlox diffusa W. L. Jepson 1910-6-12 4121 Plumas Mt. Harkness 1828 Comment
  UC567209  Phlox hoodii subsp. canescens E. Sawyer 1935-5-21 8 Plumas 3.25 mi ene Beckwith Butte; Sierraville Quad. 1524 Comment
  CDA18690  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CHSC25050  Phlox speciosa subsp. occidentalis L. Morgan 1972-4-23 2 Plumas On n side of Forbestown Road, 5.5 mi w of La Porte. 1249 Comment
  CHSC61604  Phlox speciosa subsp. occidentalis Arthur G. Barrett 1915-7-21 11 Plumas Plumas Forest. Meadow View Ranger Station. 1874 Comment
  RSA518808  Phlox speciosa subsp. occidentalis Barbara Ertter, Gary Schoolcraft 1989-7-3 8665 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville 2317 Comment
  CAS-BOT-BC60679  Phoenicaulis cheiranthoides Clare B. Hardham 1961-6-16 7483 Plumas Diamond Peak. 2286 Comment
  RSA641462  Phoenicaulis cheiranthoides Michael A. Vincent 1999-6-8 8564 Plumas Along FS 28N03H about 0.25-0.5 miles south of FS Route 3. Comment
  HSC26252  Pinus contorta W. A. Heaton 1965-5-9 37 Plumas 5 mi. NW of Chester off Hwy. 36 Comment
  CAS-BOT-BC78465  Pinus contorta subsp. murrayana Elmer I. Applegate 1929-6-21 5798 Plumas Mt. Lassen region; between Kelley's Camp and Drakesbad, Warner Valley Comment
  CAS-BOT-BC73081  Pinus lambertiana Alice Eastwood 1927-6-1 14701 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  UC1134042  Pinus monticola F. W. Embree 1934-6-22 118 Plumas 2 mi nw Frenchman Hill; Bidwell Bar Quad., Plumas Nat. Forest 1645 Comment
  HSC1545  Pinus sabiniana W. R. Rogers 1965-8-20 297 Plumas Bulk Collection # 37 Comment
  CHSC116203  Piperia unalascensis Lowell Ahart 2015-7-4 20290 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and the road to Little Grass Valley Reservoir dam. 5680 Comment
  JEPS123963  Piperia unalascensis Lowell Ahart 2015-7-4 20290 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  SEINET6167697  Piperia unalascensis W. D. Billings, H. J. Oosting 1941-8-2 s.n. Plumas Just east of Sierra-Plumas County line, Laporte-Johnsville Road Comment
  RSA637584  Plagiobothrys bracteatus Michael A. Vincent 1999-6-7 8541 Plumas Plumas Nat l Forest; Beckwourth Ranger dist. along Route A23, just south of Route 70, SW of Beckwourth Comment
  JEPS101228  Plagiobothrys cognatus Dean W. Taylor 2000-8-12 17574 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 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
  CHSC89548  Plagiobothrys cusickii G. D. Barbe; T. C. Fuller 1982-6-17 3845 Plumas Northern California. Plumas National Forest. East shore of Frenchman Lake; Crystal Fishing Access. Arm of the lake at the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  CAS-BOT-BC230969  Plagiobothrys hispidulus Clare B. Hardham 1970-8-9 17716 HH Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC230984  Plagiobothrys hispidulus Lewis S. Rose 1954-5-30 54061 Plumas Johnsville 1600 Comment
  JEPS102738  Plagiobothrys hispidulus Lowell Ahart 2001-7-17 8909 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
  JEPS113658  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2007-6-16 14092 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS115803  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15900 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  CAS-BOT-BC230975  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 s.n. Plumas About 2 miles W of Pilot Peak, along road to Cleghorn Bar. About 12 miles N of La Porte 1800 Comment
  CAS-BOT-BC230977  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  SJSU15115  Plagiobothrys hispidulus N. A. Hopkins 1986-7-15 1359 Plumas S end Squaw Valley Comment
  SEINET12331840  Plagiobothrys scouleri Unknown 1985-1 5102 Plumas about 4.25 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows 1585 Comment
  RSA718443  Plagiobothrys scouleri var. hispidulus L. Ahart 2006-7-9 12926 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  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
  SD72058  Plagiobothrys tenellus John Thomas Howell, Gordon H. True 1968-6-10 44538 Plumas American Valley at Quincy 1036 Comment
  CHSC110628  Plagiobothrys torreyi var. diffusus B. Castro; L. P. Janeway 2006-6-14 1560 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1665 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
  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
  SDSU1032  Plantago major R. M. Baeuchamp 1965-7-17 Plumas 1/2 mile north of Chester . Comment
  SBBG21828  Platanthera dilatata var. leucostachys D. Myrick 1964-7-21 899 Plumas Drakesbad 1737 Comment
  SBBG32861  Platanthera dilatata var. leucostachys K. K. Muller 1963-8-17 1241 Plumas rd to Butterfly Valley, turning off Hwy 89 7 mi N of Quincy Comment
  CHSC50437  Platanthera leucostachys Vernon Oswald; Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Hwy between Merrimac and Buckeye sites, 0.3 mi north of the Butte-Plumas county line. 1487 Comment
  UC1562330  Platanthera leucostachys Vernon Oswald and Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Highway between Merrimac and Buckeye sites (0.3 mi n of the Butte-Plumas county line) 1487 Comment
  JEPS113595  Plectritis macrocera Lowell Ahart, Josephine Guardino 2007-7-20 14319 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CHSC48674  Pleuricospora fimbriolata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humboldt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  CHSC44584  Poa bolanderi Lowell Ahart 1977-7-26 1499 Plumas Along the logging road to Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC75575  Poa bolanderi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3368 Plumas Grizzly Summit 6 miles west of Bucks Lake on Spanish Ranch-Buteet County Road. Comment
  JEPS106232  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 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 2139 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
  UCD14625  Poa bulbosa Nathan Horn 1989-5-18 12 Plumas California, Plumas Co.; along the south side of Highway 70; 1450 Comment
  CAS-BOT-BC255089  Poa compressa L. W. Swift 1934-7-26 120 Plumas Butterfly Protection Plot #2, Plumas forest 1097 Comment
  CAS-BOT-BC255098  Poa compressa John Thomas Howell 1961-6-21 36673 Plumas Greenville 1097 Comment
  CDA14657  Poa compressa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3088 Plumas east of Lariat Lodge, Highway 70/89, East Quincy. 1036 Comment
  CAS-BOT-BC255130  Poa cusickii L. P. Janeway; Garrett Gibson 1991-6-24 4062 Plumas Plumas National Forest. Beckwourth Ranger District. N end of McReynolds Valley, ca 0.8 mile S of the 01 road in Squaw Valley 1691 Comment
  UCD90903  Poa cusickii P. B. Kennedy; A. A. Heller 1907-7-5 8751 Plumas Red Clover Valley. Comment
  SEINET7749651  Poa cusickii A. A. Heller, P. B. Kennedy 1907-7-5 8751 Plumas Red Clover Valley 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
  CAS-BOT-BC247389  Poa pratensis Walter Knight; Irja Knight 1966-6-18 1379 Plumas Butterfly Valley 1036 Comment
  RSA718439  Poa pratensis L. Ahart 2006-7-9 12925 Plumas About 100 yrds north of paved basalt road, About 3.75 mi (air) NW of Tamarack Flat, About 5.75 mi (air) NW of Little Grass Valley Reservoir 1679 Comment
  UCD91821  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 miles west of Chester, on Rte. 36. 1828 Comment
  JEPS121737  Poa pratensis subsp. angustifolia L. P. Janeway 2014-7-15 11522 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). Comment
  JEPS110423  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  UC1132726  Poa pratensis subsp. pratensis C. G. Albertus 1935-7-20 214 Plumas 1 1/2 mi sw Lava Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  SEINET10659364  Poa scabrella A. Arthur Heller, Patrick B. Kennedy 1907-7-3 Heller 8706 Plumas Hills above Red Clover valley. Comment
  UCD90271  Poa secunda A. A. Beetle 1941-6-28 2770 Plumas West side of Lake Almanor. 1828 Comment
  UC1132619  Poa secunda subsp. juncifolia E. Sawyer 1935-6-6 178 Plumas 5 1/4 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC242967  Poa secunda subsp. secunda John Thomas Howell 1951-6-27 27637 Plumas Jamison Creek 1828 Comment
  CAS-BOT-BC242979  Poa secunda subsp. secunda John Thomas Howell 1962-6-17 37705 Plumas Portola 1463 Comment
  CHSC87860  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11010 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1344 Comment
  JEPS106215  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11010 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  UC1132777  Poa secunda subsp. secunda E. Sawyer 1935-6-21 133 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC244140  Poa sierrae John Thomas Howell 1967-6-23 42740 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  UCD91590  Poa wheeleri August L. Hormay Date unknown s.n. Plumas Long Canyon, Plumas National Forest. Comment
  CAS-BOT-BC244320  Podagrostis humilis John Thomas Howell 1960-7-23 35955 Plumas Lassen Volcanic National Park. Drakesbad, Soda Spring 1828 Comment
  UC1075657  Polygonum amphibium var. stipulaceum Robert J. Weatherby 1950-7-7 1463 Plumas Snake Lake Quincy 1219 Comment
  JEPS102479  Polygonum arenastrum Lowell Ahart 2001-10-8 9309 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  CHSC40874  Polygonum aviculare K. R. Stern 1985-6-25 8219 Plumas Vicinity of Blairsden, Feather River bottoms. 1371 Comment
  CHSC97099  Polygonum aviculare Lowell Ahart; Josephine Guardino 2007-7-21 14375 Plumas Along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  CAS-BOT-BC414311  Polygonum aviculare subsp. neglectum John Thomas Howell; Gordon H. True 1967-7-12 43382 Plumas Twain 883 Comment
  RSA88466  Polygonum davisiae J. T. Howell 1951-6-28 27692 Plumas Eureka Peak 1982 Comment
  RSA726354  Polygonum douglasii L. Ahart, John Dittes 2007-6-16 14091 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
  RSA518873  Polygonum douglasii Barbara J. Ertter 1988-7-25 7847 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  CHSC100323  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS114557  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC102972  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2009-9-7 16897 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  UC465756  Polygonum douglasii subsp. spergulariiforme D. Cleveland 1882-7-24 148 Plumas Austin's Field Big Meadows Comment
  CHSC99830  Polygonum douglasii var. douglasii Lowell Ahart 2008-7-16 15095 Plumas West edge of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1101203  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-19 1416 Plumas about 2 mi s Greenville; Indian Valley Comment
  JEPS122093  Polygonum minimum Lowell Ahart 2014-8-24 19752 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
  SEINET11930158  Polygonum minimum Unknown 1974-1 579 Plumas Small mountain near the headwater of Hopkins Creek, near Mt Etna, about 10 mi NE of La Porte 1829 Comment
  CAS-BOT-BC419838  Polygonum parryi Walter Knight; Irja Knight 1967-5-22 1909 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS110522  Polygonum persicaria Lowell Ahart 2006-10-23 13496 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 1281 Comment
  JEPS118383  Polygonum phytolaccifolium Lowell Ahart 2011-9-17 17664 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  JEPS125760  Polygonum polygaloides subsp. confertiflorum William Harnach 2013-5-18 1354 Plumas 0.25 miles East of County Road A-23 on Marble Lane, south of Beckwourth. Comment
  UC1111532  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas vernal pool e Beckwourth Butte; Sierra Valley Comment
  CHSC46709  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1989-8-22 3951 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. On the drying strand of the lake. 1950 Comment
  CHSC99827  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2008-7-9 15065 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
  JEPS103405  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-2 9822 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  CAS-BOT-BC421032  Polygonum spergulariiforme Roxana S. Ferris; Laura Lorraine 1941-8-9 10425 Plumas At Lake Almanor Public Camp. (near village). Comment
  CAS-BOT-BC237272  Polypogon monspeliensis M. S. Taylor 1982-8-27 5072 Plumas Ramelli Ranch, where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth 1487 Comment
  POM120960  Polystichum imbricans R. M. Austin 1876-1 s.n. Plumas [no locality information provided] Comment
  SD9739  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin Unknown Plumas Comment
  SD9753  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin 1876-1 Plumas Comment
  CAS-BOT-BC72369  Polystichum kruckebergii G. L. Stebbins 1968-8-1 6847 Plumas Devil's Punchbowl, on Grizzly Mountain, north of Quincy 2225 Comment
  JEPS104166  Polystichum kruckebergii Lowell Ahart 2003-10-17 10646 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  CHSC82073  Polystichum lemmonii L. P. Janeway; B. Castro 2001-6-22 7372 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  CHSC36918  Polystichum scopulinum M. S. Taylor 1982-6-19 4617 Plumas S side of Bucks Lake Rd, just e of Deanes Valley Rd, ca. 1.0 mi nw of Meadow Valley. 1127 Comment
  UCD159709  Polystichum scopulinum G. Ledyard Stebbins 1970-7-24 7074 A Plumas Base of ridge northwest of Round Lake, Lakes Basin south of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2133 Comment
  CAS-BOT-BC105584  Populus trichocarpa John Thomas Howell; Gordon H. True 1969-6-23 45816 Plumas Middle Fork of Feather River at Nelson Point - Sierra Nevada 1249 Comment
  JEPS16281  Porterella carnosula E. Sawyer 1935-6-27 163 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10460771  Porterella carnosula Quick 1950-6-18 QUICK 50 -16 Plumas 2.7 miles west of Almanor Inn, on south shore of Lake Almanor Comment
  SEINET10460772  Porterella carnosula A. Arthur Heller, Patrick B. Kennedy 1907-7-2 Heller 8678 Plumas Comment
  SEINET10460773  Porterella carnosula A. Arthur Heller, Patrick B. Kennedy 1907-7-4 Heller 8730 Plumas Meadow two miles south of Red Clover valley Comment
  SJSU6437  Porterella carnosula N. A. Hopkins 1971-6-19 401 .5 Plumas seven miles south of Beckwourth, southeastern Plumas County 1524 Comment
  JEPS100341  Potamogeton epihydrus subsp. nuttallii Dean W. Taylor 2001-6-28 17825 Plumas 2 air mi E of Frenchman Lake (Snow Lake); Sierra Nevada, Diamond Mountains 1859 Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  UC1028644  Potamogeton foliosus Robert J. Weatherby 1950-7-28 1492 Plumas near Quincy; Snake Lake 1219 Comment
  CHSC81433  Potamogeton foliosus var. foliosus Lowell Ahart 2001-9-18 9280 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 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-BC453968  Potamogeton pectinatus Mrs. Jos. Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  SD6452  Potamogeton perfoliatus Daniel Cleveland 1882-5-12 Plumas Big Meadows Comment
  CHSC65382  Potentilla bruceae Lowell Ahart 1995-9-13 7636 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  JEPS118338  Potentilla glandulosa subsp. ashlandica Lowell Ahart 2011-9-20 17682 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CHSC44971  Potentilla gracilis K. R. Stern 1985-6-25 8227 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC26145  Potentilla gracilis var. elmeri Detzer; Sacks 1977-6-25 44 Plumas On sw edge of Squaw Valley. 1853 Comment
  JEPS97349  Potentilla gracilis var. fastigiata Lowell Ahart 1995-9-13 7635 Plumas about 1 mi NW of Pilot Peak ( E of Quincy la Porte Road); NW side of Onion Valley 1828 Comment
  CAS-BOT-BC540078  Potentilla gracilis var. fastigiata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC158506  Potentilla millefolia Thomas H. Kearney 1944-8-14 66 Plumas Near Prattville, Lake Almanor Comment
  JEPS96072  Potentilla rivalis Vernon H. Oswald and Lowell Ahart 1996-7-15 8013 Plumas e side of arm of Lake Almanor extending n from Highway 36 causeway, s of the point where road to Last Chance Campground (28N11) begins to parrallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  CAS-BOT-BC531758  Potentilla rivalis W. Harnach; N. Harnach 1990-7-6 466 Plumas Sierra Valley, on the first corner E of county rd. A-23 on Marble Lane 1487 Comment
  CAS-BOT-BC158133  Prunus emarginata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54272 Plumas Mt. Hough 2203 Comment
  CAS-BOT-BC158145  Prunus emarginata A. A. Heller; P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  RSA59415  Prunus emarginata E. K. Balls 1950-9-8 15710 Plumas Lakes Center Public Campground. 2043 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
  CAS-BOT-BC154646  Prunus subcordata Mary Strong Clemens 1920-5-27 s.n. Plumas Taylorsville Comment
  SEINET10483101  Prunus virginiana var. demissa Mary Susan Taylor 1974-5-18 Taylor 249 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  CAS-BOT-BC357348  Pseudognaphalium microcephalum John Thomas Howell 1966-7-26 42000 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CAS-BOT-BC357352  Pseudognaphalium microcephalum Thomas H. Kearney 1944-8-14 155 Plumas Near Prattville, Lake Almanor Comment
  CHSC34905  Pseudognaphalium thermale M. S. Taylor 1981-9-2 4263 Plumas W side of 26N18, ca. 1 mi s of Onion Flat, ca. 3 mi w of Indian Falls. 1463 Comment
  JEPS115337  Pseudognaphalium thermale Lowell Ahart, John Dittes 2009-9-7 16377 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC110384  Pseudostellaria jamesiana Lowell Ahart 2012-9-5 18434 Plumas About 200 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 LaPorte. 1889 Comment
  CHSC76049  Pseudostellaria jamesiana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3229 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  CHSC89912  Pseudostellaria jamesiana N. L. Jurjavcic 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. 1524 Comment
  RSA739843  Pseudostellaria sierrae Barbara Ertter, Gary Schoolcraft 1990-5-14 8984 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  UC1351127  Pseudotsuga menziesii E. Fritz 1936-6-22 8208 Plumas Comment
  SEINET5334805  Pseudotsuga menziesii var. menziesii L. Sloan 1949-6-25 20 Plumas 4 miles west of Quincy on highway 24 Comment
  SEINET5334806  Pseudotsuga menziesii var. menziesii B. H. Banta 1949-5-28 126 Plumas 3 miles north of Quincy Comment
  CAS-BOT-BC361782  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Linnea Hanson; Joyce Lacey 1993-6-26 4405 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; ca 0.5 mi southwest of Beckwourth, 4 mi east of Portola, corner of Beckwourth-Calpine Road and railroad 1487 Comment
  CAS-BOT-BC362000  Psilocarphus tenellus Mrs. H. C. Cantelow 1940-5-10 s.n. Plumas 2 1/2 miles west of Buck's Lake Comment
  CAS-BOT-BC72613  Pteridium aquilinum Margaret Williams 1967-8-20 s.n. Plumas Near Rene's Falls, Jamison Creek, above Johnsville 1828 Comment
  JEPS60086  Pteridium aquilinum var. pubescens W. L. Jepson 1924-7-24 10631 Plumas Rich Point; Middle Fork Feather River 914 Comment
  POM76805  Pterospora andromedea Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC460528  Pterospora andromedea Alice Eastwood 1927-6-13 14563 Plumas US Forest Reserve: Forest Lodge near Greenville Comment
  UC875409  Pteryxia terebinthina var. californica Anna Head 1921-7-2 Plumas Lake Center, Feather River Region Comment
  SEINET4890071  Puccinellia distans W. Harnach 1991-6-17 554 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  SEINET4890226  Puccinellia lemmonii W. Harnach, N. Harnach 2000-6-14 909 Plumas Sierra Valley, approximately 0.5 miles west of County Road A-24, 2.5 miles north of Loyalton 1518 Comment
  SEINET3376779  Purshia tridentata C. Lumer, S. Yost 2006-7-27 2437 Plumas Sierra Nevada Mountains, Rte 89. 2316 Comment
  UCD113287  Purshia tridentata Michael A. Vincent 1999-6-7 8529 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CAS-BOT-BC147880  Purshia tridentata var. tridentata John Thomas Howell 1959-9-24 34926 Plumas Junction of Indian and Spanish creeks 914 Comment
  CHSC36344  Pycnanthemum californicum M. S. Taylor 1982-8-5 4942 Plumas In seep, n side of 25N73, s slope of Mt Hough ridge, ca. 7 air mi ne of Quincy. 1828 Comment
  JEPS19278  Pycnanthemum californicum W. L. Jepson 1918-8-16 8026 Plumas Clover Creek Canyon 1615 Comment
  JEPS87738  Pyrola asarifolia subsp. asarifolia Lowell Ahart 1994-6-17 7350 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow); Sly Creek 1097 Comment
  CHSC33935  Pyrola dentata M. S. Taylor; M. Foster 1981-7-14 4011 Plumas Saddle at head of Bullfrog Ravine, along rd 26N18, 3 air mi nw of Indian Falls. 1584 Comment
  CDA18459  Pyrola picta G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3214 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC21347  Pyrola picta F. T. Griggs; A. Pass 1975-7-2 36 Plumas East of road. Comment
  CHSC54419  Pyrola picta Vernon H. Oswald 1991-6-12 4658 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. 1691 Comment
  UC1121059  Pyrola picta C. W. Hanks 1934-6-9 72 Plumas Plumas National Forest, e slope of Dixie Mountain Dixie Mountain; Plumas National Forest, Dixie Mountain 2438 Comment
  JEPS107610  Pyrrocoma carthamoides var. cusickii Lowell Ahart, Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  UC1094034  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 Comment
  CAS-BOT-BC362346  Pyrrocoma racemosa var. paniculata John Thomas Howell 1977-8-11 52717 Plumas Chilcoot 1524 Comment
  CAS-BOT-BC62428  Quercus chrysolepis John M. Tucker 1948-7-25 1736 Plumas Summit of Lav Cap ca. 1 mi. south of Cascade 1435 Comment
  CAS-BOT-BC62431  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  RSA101962  Quercus chrysolepis F. Morton Jones 1918-06 s.n. Plumas Keddie. Comment
  SEINET9005912  Quercus chrysolepis C. N. Saulisberry 1949-5-18 s.n. Plumas Feather River Canyon, lumber camp of Keddie Comment
  CAS-BOT-BC93985  Quercus durata L. P. Janeway 1993-7-20 4464 Plumas Caribou quad. Canyon of E Branch North Folk Feather River; in large ravine 500 ft N og Hwy 70, opposite the road to 853 Comment
  JEPS37825  Quercus garryana var. semota W. L. Jepson 1910-6-18 4153 Plumas Belden North Fork of the Feather River Comment
  UC942862  Quercus garryana var. semota Lewis S. Rose 1951-6-26 51020 Plumas East Fork of the Feather River 822 Comment
  UCD46126  Quercus garryana var. semota John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon, Plumas Co. 853 Comment
  CAS-BOT-BC105313  Quercus kelloggii Alice Eastwood 1927-6-1 14590 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  UC1135649  Quercus kelloggii E. Nourse 1934-8-14 12 Plumas 1 mi n and 1.5 mi w Quincy; Downieville Quad. 1127 Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 Comment
  CHSC75717  Quercus vacciniifolia Lowell Ahart; Vernon H. Oswald 1999-7-15 8095 Plumas About 100 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  HSC31106  Quercus vacciniifolia R. F. Thorne, C. W. Tilforth 1969-9-6 39221 Plumas 2.5 mi S of Graeagle on Gold Lake Rd. 1646 Comment
  UC1135814  Quercus vacciniifolia C. G. Albertus 1935-7-22 225 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  UC1135816  Quercus vacciniifolia D. Axelrod 1934-6-6 5 Plumas sw of La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  CAS-BOT-BC362686  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas Buzzards Roost Ridge, north of PIlot Peak 2000 Comment
  CDA19219  Ranunculus alismifolius var. alismellus G. D. Barbe, T. C. Fuller 1982-6-16 3786 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  JEPS55137  Ranunculus alismifolius var. alismifolius W. L. Jepson 1910-6-14 4127 Plumas Prattville 1310 Comment
  SEINET4090477  Ranunculus alismifolius var. alismifolius B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
  CHSC57828  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 a Plumas Lassen Volcanic National Park. Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. Along the edge of the creek. 1658 Comment
  RSA399363  Ranunculus alismifolius var. lemmonii Bonnie C. Templeton 1967-4-24 s.n. Plumas 6 miles S of Beckwourth Comment
  SD46713  Ranunculus alismifolius var. lemmonii Robert J. Weatherby 1955-6-22 1536 Plumas Meadow below Spanish Peak 2133 Comment
  SEINET13710773  Ranunculus aquatilis Lowell William Ahart, Lowell William Ahart 2001-1 9287 Plumas Freeman Creek on Strand of Lake Davis (T24N, R13E, sec 29, NW 1/4) 5770 Ft. 1759 Comment
  CHSC20850  Ranunculus aquatilis var. capillaceus K. R. Stern 1975-7-23 5805 Plumas NW shore of Lake Almanor. 1371 Comment
  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
  SD8189  Ranunculus californicus Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  CHSC20849  Ranunculus flammula var. ovalis K. R. Stern 1975-7-25 5804 Plumas N shore of Lake Almanor. 1371 Comment
  CHSC60557  Ranunculus glaberrimus var. ellipticus L. P. Janeway 1992-4-2 4150 Plumas Plumas National Forest. Along Beckwourth-Genesee Road near junction with road to Laufman. Southwest side of Red Clover Valley. 1679 Comment
  POM284388  Ranunculus occidentalis var. ultramontanus Lyman Benson 1949-6-21 13749 Plumas Hat Creek, 13.5 miles N of Manzanita Lake. Cascade Mt. Pit River Drainage 1220 Comment
  RSA31131  Rhamnus purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  UC170940  Rhamnus purshiana H. M. Hall Jun 1912 9260 Plumas American Valley, at Seeman's Sierra Mountains 1066 Comment
  UC54504  Rhamnus purshiana H. M. Hall and E. B. Babcock Jul 1903 4424 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  JEPS112916  Rhamnus rubra Dean W. Taylor 2001-8-2 17894 Plumas on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  CHSC55690  Rhododendron occidentale Steven Triano 1988-4-17 59 Plumas Ca 40 ft n of Hwy. 70 and 11.3 mi e of its jct. with Hwy 89. 822 Comment
  CHSC72467  Rhynchospora capitellata L. P. Janeway 1998-9-10 6269 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog below Road 25N47 (Sweetwater Marsh) 0.3 mi south of Road 417. 1164 Comment
  RSA286277  Rhynchospora capitellata Robert F. Thorne 1974-7-30 45011 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  UCD38334  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas 5 miles south of Vinton, Sierra Valley. Comment
  CAS-BOT-BC168856  Ribes inerme var. klamathense David D. Keck 1932-7-3 1653 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CHSC10767  Ribes nevadense Lowell Ahart 1969-5-18 Plumas Slate Creek, 10 miles south of La Porte. 914 Comment
  UCR102417  Ribes nevadense L. C. Wheeler 1959-6-15 7569 Plumas Sierra Nevada Mtns., Middle Fork Feather River: McCarthy Mine, McCarthy Bar 1073 Comment
  UC1127575  Ribes roezlii G. T. Nordstrom 1934-7-7 190 Plumas 1 1/2 mi s and 1/2 e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC186229  Ribes roezlii var. roezlii David D. Keck 1932-7-6 1722 Plumas 4 miles N.W. of Greenville on road to Prattville Comment
  CAS-BOT-BC186232  Ribes roezlii var. roezlii Gladys L. Smith 1976-6-7 4606 Plumas South end section of summit ridge, secondary road from Feather River Route 70 to La Porte, drainage of Middle Fork Feather River 1950 Comment
  UC1127582  Ribes velutinum C. W. Hanks 1934-8-29 59 Plumas opposite Beckwith Pass (Nevada line); Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC168783  Ribes viscosissimum Rimo Bacigalupi 1927-6-7 1654 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley Comment
  CHSC117551  Ribes viscosissimum Lowell Ahart 2016-7-9 21101 Plumas South side of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  UCD19440  Ribes viscosissimum W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake, along quarry road. 1584 Comment
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 Comment
  JEPS102426  Ribes viscosissimum var. hallii Lowell Ahart 2001-6-4 8753 Plumas About 1/8 mile north of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  CAS-BOT-BC363066  Rigiopappus leptocladus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 1988 Plumas Butterfly Botanical Area and Vicinity. Valley proper, near barn 1036 Comment
  RSA71290  Rigiopappus leptocladus L. S. Rose 1951-6-29 51066 Plumas Nine miles east of Quincy. 1220 Comment
  CAS-BOT-BC74640  Rorippa curvisiliqua Greg Sommers 1976-7-13 175 Plumas Sierra Nevada. Sierra Valley Marsh, 1 km southeast of metal bridge on Dyson Lane. 1524 Comment
  CHSC40441  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  SEINET10448595  Rorippa islandica var. hispida Mary Susan Taylor 1982-9-7 Taylor 5101 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CHSC82465  Rosa gymnocarpa Lowell Ahart 2002-6-26 9764 Plumas Near a small drainage, northeast of the small meadow and gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1734 Comment
  CAS-BOT-BC147045  Rosa pisocarpa John Thomas Howell 1961-6-21 36701 Plumas Greenville 1097 Comment
  CAS-BOT-BC147047  Rosa pisocarpa John Thomas Howell 1961-9-22 36815 Plumas Greenville 1088 Comment
  CAS-BOT-BC149733  Rosa woodsii subsp. ultramontana John Thomas Howell 1955-7-20 30843 Plumas Mohawk 1371 Comment
  CAS-BOT-BC149727  Rosa woodsii subsp. ultramontana John Thomas Howell 1951-6-28 27664 Plumas Jamison Creek Canyon 1584 Comment
  JEPS102528  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  JEPS104635  Rosa woodsii var. ultramontana Lowell Ahart 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, ca 2 1/4 mi (by road) e of Beckwourth Calpine Rd, ca 4 mi (air) se of Beckwourth, Sierra Valley. 1527 Comment
  SEINET13709792  Rosa woodsii var. ultramontana Lowell William Ahart, Lowell William Ahart 2001-1 9226 Plumas Near Ramelli Creek, A Branch of Last Chance Creek, about 3 Air Mi, N of Frenchman Lake (T25N, R16E, sec 30) 5700 Ft. 1737 Comment
  UCD18416  Rostraria cristata Vincent Forcella 2000-4-22 15 Plumas Plumas County?: Feather River, Shanghai Bend. Comment
  CAS-BOT-BC156919  Rubus ursinus M. S. Taylor 1982-5-23 4518 Plumas S side of Caribou Rd, ca. 1/10 mi n of its jct with Hwy 70, ca. 3 mi e of Belden 731 Comment
  CAS-BOT-BC156924  Rubus ursinus John Thomas Howell; H. Keith Wagnon 1980-5-26 53589 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  UCD169666  Rudbeckia occidentalis L. P. Janeway; B. Castro 2011-9-11 10718 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. 1570 Comment
  JEPS118397  Rudbeckia occidentalis var. occidentalis Lowell Ahart 2011-9-17 17665 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CHSC10674  Rumex acetosella Lowell Ahart 1968-6-29 Plumas One mile east of La Porte. 762 Comment
  RSA232884  Rumex acetosella L. S. Rose 1968-6-10 68093 Plumas Quincy. 1037 Comment
  CAS-BOT-BC422048  Rumex acetosella Lowell Ahart 1985-9-26 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte 1584 Comment
  JEPS113590  Rumex maritimus Lowell Ahart, Josephine Guardino 2007-7-20 14346 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  UC580738  Rumex salicifolius var. denticulatus C. G. Albertus 1935-7-20 201 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  CHSC82506  Sagina decumbens subsp. occidentalis Lowell Ahart; John Dittes 2002-6-17 9723 Plumas In a meadow, on the north side of the road, about 1/8 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1651 Comment
  CHSC40359  Sagina saginoides Lowell Ahart 1985-7-11 5131 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles northeast of La Porte. 1584 Comment
  UC142444  Sagittaria latifolia Mrs. R. M. Austin Aug, 1878 296 Plumas Big Meadows Comment
  UCSC001857  Sagittaria latifolia H. S. Yates 1936-8-12 6089 Plumas Lake Almanor - Prattville 1341 Comment
  RSA52875  Sagittaria latifolia R. Weatherby 1950-7-21 1483 Plumas Butterfly Lake near Quincy. 1220 Comment
  SEINET10465398  Sagittaria latifolia Mary Susan Taylor 1982-9-8 Taylor 5123 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET3158446  Salix eastwoodiae E. K. Balls 1950-9-1 15586 Plumas E shore of Long Lake, turning from Mt. Elwell. Southern Plumas Co. 2103 Comment
  CHSC80688  Salix exigua Lowell Ahart 2001-6-4 8758 Plumas Overflow area on the north side 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, about 5 miles (air) northeast of La Porte. 1594 Comment
  UC1134863  Salix exigua E. Sawyer 1935-6-10 91 Plumas 4 1/4 mi se Sugarloaf; Sierraville Quadrangle Comment
  UCD147795  Salix exigua var. exigua Allyson Ayalon; Lucie Jerabkova 2012-8-1 148 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CDA31985  Salix geyeriana L. Ahart, J. Dittes 2007-6-16 14128 Plumas Meadow, along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis Comment
  UC1134969  Salix lasiandra subsp. lasiandra F. Embree 1934-6-6 77 Plumas Three Lakes Plumas Nat'l Forest, Bidwell Bar Quad., Three Lakes Comment
  CAS-BOT-BC125319  Salix lasiandra var. lasiandra John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2200 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC125324  Salix lasiandra var. lasiandra John Thomas Howell 1961-6-21 36606 Plumas Greenville 1097 Comment
  CAS-BOT-BC107161  Salix lasiolepis var. bigelovii John Thomas Howell; H. Keith Wagnon 1980-5-28 53690 Plumas Indian Falls, near Indian Creek - Sierra Nevada 975 Comment
  RSA31980  Salix lasiolepis var. bigelovii A. A. Heller 1938-5-30 15135 Plumas The Feather River near Vigilia. 793 Comment
  CAS-BOT-BC128439  Salix lasiolepis var. lasiolepis John Thomas Howell 1959-9-21 34771 Plumas Bars of N. Fork Feather River near Belden - Sierra Nevada 701 Comment
  CAS-BOT-BC128442  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54287 Plumas Moist seepage area on China Grade, 1.4 miles south of Taylorsville - Sierra Nevada 1402 Comment
  JEPS106026  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-BC124793  Salix lemmonii Alice Eastwood 1918-5-25 7005 Plumas Portola Comment
  CAS-BOT-BC124804  Salix lemmonii John Thomas Howell 1961-9-23 36829 Plumas Indian Valley 1082 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
  CHSC9575  Salix lemmonii E. L. Smith 1971-4-28 949 Plumas N city limits in Quincy. 1043 Comment
  JEPS113381  Salix lemmonii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14036 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  UC846670  Salix lemmonii Alice Eastwood 1918-5-25 7004 Plumas Portola Comment
  RSA508630  Salix lemmonii var. austinae R. M. Austin 1880-1 s.n. Plumas [No location information provided.] Comment
  UC481906  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
  UC482031  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  RSA641877  Salix lucida subsp. lasiandra Michael A. Vincent 1999-6-7 8535 Plumas Along FS Rt 176 and Chance Creek at bridge, 7.1 miles N of Rt 70. Comment
  CAS-BOT-BC129397  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 396 Plumas North Fork of Feather River, at Chester 1350 Comment
  HSC20041  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester 1350 Comment
  JEPS14873  Salix melanopsis John Warren Duffield 1937-5-30 Plumas in Meadow Valley Creek near rd. into U. C. Forestry Camp; Meadow Valley Creek 1158 Comment
  RSA504196  Salix melanopsis J. T. Howell, Gordon H. True 1967-7-9 43253 Plumas N Fork of Feather River. 3 miles SW of Caribou. 854 Comment
  SJSU203  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin & Beryl Kautz 1931-5-31 396 Plumas N Fork Feather R, Chester 1341 Comment
  CAS-BOT-BC129395  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester 1350 Comment
  CHSC115799  Salix orestera Lowell Ahart; John Deurloo 2015-8-25 20532 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CAS-BOT-BC129099  Salix scouleriana John Thomas Howell 1960-7-20 35730 Plumas Between meadow and forest, Drakesbad - Lassen Volcanic National Park 1828 Comment
  UCD99307  Salsola soda E. K. Balls 1950-9-15 15864 Plumas south tip of Lake Almanor; near P.G.E. dam, Hwy 89. 1371 Comment
  UCD19145  Sambucus microbotrys W. B. McHenry 19__? s.n. Plumas Bucks Lake. Comment
  CHSC21177  Sambucus racemosa var. microbotrys F. T. Griggs; A. Pass 1975-7-16 190 Plumas Buck's Lake Forest Service Survey Comment
  UC1075653  Sanguisorba annua Robert J. Weatherby 1950-7-7 1456 Plumas Quincy Gansner Creek (Gansner Creek) 1219 Comment
  SEINET7358854  Sanguisorba annua D. A. McMillan 1913-6-1 L- 3 Plumas Plumas NF; Mt. Hough; 0 1372 Comment
  CDA18748  Sanicula graveolens G. D. Barbe, T. C Fuller 1982-7-16 3769 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CHSC99823  Sanicula graveolens Lowell Ahart 2008-7-16 15099 Plumas Dry open area, west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS87745  Sanicula graveolens Lowell Ahart 1994-6-15 7340 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 200 yards e of a logging road); w of Little Grass Valley Reservoir 1767 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
  CHSC45884  Sanicula tuberosa Lowell Ahart 1979-7-18 1983 Plumas In a small meadow, along Cleghorn Bar Road, about 1 mile west of the Quincy La Porte Road, about 2 miles west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  UC337550  Sanicula tuberosa unknown 1889-6-28 31 Plumas Mohawk Valley Comment
  CHSC4683  Saponaria officinalis R. Carter 1966-7-10 471 Plumas Found Feather R. Canyon, 1/2 mi. S Injun Jim School along S side Hwy. 70; along roadside. Comment
  CHSC59912  Saponaria officinalis L. P. Janeway 1992-7-23 4275 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
  SEINET4173732  Sarcobatus vermiculatus W. Harnach, N. Harnach 2000-8-23 997 Plumas Sierra Valley, 1 mile west of the Steel Bridge on Marble Lane 1486 Comment
  SD7159  Sarcodes sanguinea Daniel Cleveland may 1879 Plumas Big Meadows Comment
  SEINET3238872 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. Comment
  UCD13235  Sarcodes sanguinea Dean Dubbe 1974-4-27 7- 2 Plumas California: Plumas Co. Plumas National Forest. Butterfly Valley. Along hwy 89, 2 mi W of Keddie. Elev. 3700 ft. 1127 Comment
  CHSC37780  Sarracenia alata M. S. Taylor 1982-9-2 5089 Plumas Butterfly Valley Botanical Area. ... Field redacted by CHSC, contact the data manager for more information 1188 Comment
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Apr 13 2006
  RSA0101547  Sceptridium dissectum R. M. Austin 1878-1 s.n. Plumas [No location data on label] Comment
  CHSC44267  Scheuchzeria palustris subsp. americana Vernon Oswald 1988-7-19 3609 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a peat island on the s side of the lake. 1676 Comment
  SEINET3991573  Schoenolirion Unknown 1940-6-25 Plumas Butterfly Valley 1219 Comment
  CAS-BOT-BC111573  Schoenoplectus americanus Mrs. H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad. Comment
  RSA699791  Scirpus congdonii L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11168 Plumas 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. 2140 Comment
  CHSC54873  Scirpus microcarpus Vernon H. Oswald 1991-9-11 4872 Plumas Lassen Volcanic Park. Road to Drakesbad, ca. 0.5 mi west of the boundary of the park. On the edge of Hot Springs Creek. 1615 Comment
  SD46740  Scirpus pauciflorus Robert J. Weatherby 1955-6-26 1545 Plumas Common in mosses, wet meadow. Mud Lake, Lakes Basin Area. 2103 Comment
  SEINET13750863  Scrophularia desertorum W. Harnach, N. Harnach 1993-6-5 714 Plumas Sierra Valley, 6.2 miles north of Chilcoot on the Frenchman Road 1585 Comment
  UC1523372  Scutellaria siphocampyloides J. G. Lemmon September 1874 Plumas Comment
  CAS-BOT-BC61463  Sedum laxum subsp. laxum Lowell Ahart 1968-6-29 s.n. Plumas Near La Porte. 914 Comment
  UCSB45770  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas At Injun Jim Campground, 5.7 miles south of Beldon on Highway 70 Comment
  RSA212167  Selaginella wallacei Lewis S. Rose 1967-5-8 67071 Plumas 3.5 miles SW of Belden, N fork of Feather River. 762 Comment
  SJSU5480  Senecio aronicoides R. B. Ingersoll 1966-6-11 Plumas Lake Almanor 1380 Comment
  CHSC89472  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 203 Plumas Located in the Quincy District of the Plumas National Forest, above Middle Campground, Feather River Canyon. 1463 Comment
  CHSC89474  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 205 Plumas Located in the Quincy District of the Plumas National Forest, above Middle Campground, Feather River Canyon. On road cut bank. 1402 Comment
  JEPS94564  Senecio hydrophiloides Vernon H. Oswald and Lowell Ahart 1997-6-24 8625 Plumas on Diamond Mtn. Motorway (28N15) s Susanville (at the meadow at Wheeler Sheep Campground) 1993 Comment
  CAS-BOT-BC363793  Senecio integerrimus L. W. Swift 1930-7-3 32 Plumas Plumas National Forest. Fitch Canyon Allot. 1889 Comment
  CDA18667  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas NF. 1783 Comment
  CHSC57420  Senecio integerrimus var. exaltatus L. P. Janeway; Garrett Gibson 1991-6-12 4002 Plumas Plumas National Forest. Slopes above a meadow along Poco Creek, ca 0.8 mi northeast of Red Clover Creek (off the northwest end of Red Clover Valley). 1664 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
  SEINET10474913  Senecio integerrimus var. exaltatus Mary Susan Taylor 1982-5-7 Taylor 4416 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  RSA0091373  Senecio integerrimus var. integerrimus Bonnie C. Templeton 1968-1 11287 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC364036  Senecio integerrimus var. major Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1951 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  CHSC6568  Senecio triangularis R. Carter 1966-7-10 481 Plumas Found Bucks Lake along E side Oroville-Quincy Rd. on S side of lake, 200 yds. S of lodge, roadside. 1524 Comment
  POM272149  Senecio triangularis Lyman Benson 1932-7-29 3991 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CAS-BOT-BC364392  Senecio triangularis Anna Head 1920-7-30 s.n. Plumas Lake Center Camp, Poplar Meadows, Feather River Region 1920 Comment
  CHSC102662  Sericocarpus oregonensis Lowell Ahart; John Dittes 2009-8-28 16358 Plumas On dry bare soil, on the northeast side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC364766  Sericocarpus oregonensis subsp. californicus Walter Knight; Irja Knight 1966-9-12 1735 Plumas Butterfly Botanical Area and Vicinity. Rubble Gap 1127 Comment
  CAS-BOT-BC364771  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris; Laura Lorraine 1941-8-8 10418 Plumas 3 miles from Greenville on road to Lake Almanor Comment
  UC1523720  Sericocarpus oregonensis subsp. californicus Gary Schoolcraft 1982-8-2 840 Plumas west of Crescent Mills 1219 Comment
  CHSC35952  Sidalcea glaucescens M. S. Taylor 1982-6-1 4576 Plumas On n side of Hwy 70., ca. 2 mi w of Quincy. Also T24N R09E S11 SW1/4 of NW1/4. 1097 Comment
  CHSC59755  Sidalcea glaucescens L. P. Janeway 1992-8-30 4294 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1905 Comment
  JEPS67211  Sidalcea glaucescens W. I. Follett 1936-6-29 Plumas Rich Gulch Comment
  UC1950094  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester Comment
  RSA59425  Sidalcea glaucescens E. K. Balls 1950-9-15 15857 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  SBBG122785  Sidalcea glaucescens B. Ertter 1989-7-4 8680 Plumas 2.2 mi W of Jct of Hway 89 and Hwy 36, SW of Chester 1463 Comment
  CHSC4627  Sidalcea oregana subsp. spicata R. Carter 1966-7-10 482 Plumas Found Bucks Lake just S of Haskins Creek along E side USFS road 24N25. 1524 Comment
  JEPS67270  Sidalcea oregana subsp. spicata W. I. Follett 1934-6-4 66 Plumas 1.3 mi w Bucks Lodge; w of Bucks Lodge Comment
  JEPS97968  Sidalcea oregana subsp. spicata B. G. Baldwin 1999-8-7 1090 Plumas N of Almanor Reservoir (E of Chester) (along road to Last Chance Campground (USFS), along E edge of Last Chance Marsh, where marsh extends E of road at junction with road bearing E) Comment
  UC198515  Sidalcea oregana subsp. spicata Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC386983  Silene douglasii Anna Head 1921-7-20 s.n. Plumas On rocky slopes near Round L. Comment
  CHSC109552  Silene douglasii var. douglasii L. P. Janeway 2012-7-17 10949 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1728 Comment
  CHSC36995  Silene douglasii var. douglasii M. S. Taylor 1982-8-5 4924 Plumas Mt Hough summit, ca. 7 air mi nne of Quincy. 2203 Comment
  JEPS113816  Silene douglasii var. douglasii Lowell Ahart, John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC63455  Silene invisa Lowell Ahart 1994-7-22 7496 Plumas Plumas/Sierra County. Along the west side of the Pacific Crest Trail, just north of the small meadow that the trail goes through, about 1/2 mile east of Mount Etna. 1981 Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CHSC24258  Silene lemmonii K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  UC614392  Silene lemmonii L. Constance 1938-6-10 2315 Plumas w edge of Lake Almanor at Prattville; w edge of Lake Almanor at Prattville 1219 Comment
  RSA109809  Silene lemmonii E. K. Balls, Lee W. Lenz 1956-6-19 21841 Plumas 1.2 miles E along State Hwy 89 from southern tip of Lake Almanor. Comment
  CHSC34856  Silene nuda M. S. Taylor 1981-7-11 4068 Plumas SW side of Lake Almanor, in meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville. 1371 Comment
  JEPS101234  Silene nuda Dean W. Taylor 2000-8-12 17564 Plumas Dry Flat (3 air mi SE of Antelope Lake, Feather River watershed) 1691 Comment
  CAS-BOT-BC389561  Silene nuda Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UC1137898  Silene occidentalis subsp. occidentalis D. Axelrod 1934-6-12 37 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. Comment
  UC465660  Silene occidentalis subsp. occidentalis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC74966  Sinapis arvensis John Thomas Howell 1962-6-18 37815 Plumas Sierra Nevada. Sierra Valley, 5 miles south of Beckwourth. 1493 Comment
  CAS-BOT-BC75111  Sisymbrium altissimum Alice Eastwood 1927-6-18 s.n. Plumas Near Greenville. United States Forest Preserve. Comment
  CAS-BOT-BC75118  Sisymbrium altissimum John Thomas Howell 1961-6-21 36677 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC75121  Sisymbrium altissimum Greg Sommers 1976-7-20 189 Plumas Sierra Nevada. Sierra Valley Marsh. On Dyson Lane 50 meters east of metal bridge. 1524 Comment
  SDSU11793  Sisyrinchium bellum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River 1/2 mile north of Chester Comment
  RSA232871  Sisyrinchium elmeri Lewis S. Rose 1968-6-11 68104 Plumas Butterfly Valley, 4 mi S of Keddie. 1037 Comment
  UCSB46172  Sisyrinchium idahoense Reisentz, Paul 1979-5-12 Plumas Found at Indian Creek at the junction of Hwy 70 and Hwy 89 Comment
  SEINET10474347  Solidago californica Mary Susan Taylor 1980-10-8 Taylor 3363 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  RSA52853  Solidago canadensis subsp. elongata R. Weatherby 1950-7-21 1472 Plumas East Quincy 1037 Comment
  SEINET10872002  Solidago canadensis subsp. elongata Mary Susan Taylor 1981-7-17 Taylor 4030 A 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
  UC1070250  Solidago elongata C. W. Hanks 1934-8-30 63 Plumas Canyon 1 mi s Bald Rock; Sierraville Quad., Plumas National Forest Comment
  RSA59120  Solidago velutina subsp. californica E. K. Balls 1950-8-31 15524 Plumas Highway 24, one mile north of Spanish Creek, just north of Quincy. 1098 Comment
  UCR3611  Sorbus californica Wm. Horn Jr. 1963-6-29 630629- 05 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 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
  UC1099801  Sparganium erectum subsp. stoloniferum Malcolm A. Nobs and S. Galen Smith 1949-8-19 1415 Plumas ca 2 mi s Greenville; Indian Valley Comment
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Sep 25 2008
  CHSC40651  Spergula arvensis subsp. arvensis Lowell Ahart 1985-9-26 5178 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
  CHSC113633  Spergularia rubra Lowell Ahart 2014-8-31 19831 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC85690  Spergularia rubra G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3160 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  SEINET10537500  Spergularia rubra Lowell Ahart 1985-7-11 Ahart 5129 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET10965512  Spergularia rubra Lowell Ahart 1984-6-3 Ahart 4657 Plumas On a road along Hwy 70, at Keddie, N of Quincy; Yellow Pine Forest; 1000 m. 1000 Comment
  UC579482  Sphaeromeria potentilloides var. potentilloides E. Sawyer 1935-6-6 73 Plumas 2 1/2 mi sw Sugarloaf; Sierraville Quad. 1493 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
  HSC93212  Sphenosciadium capitellatum Vernon H. Oswald, L. Ahart 1996-8-1 8139 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  SEINET7722232  Spiraea betulifolia Unknown Plumas Spanish Peak Comment
  RSA59178  Spiraea densiflora E. K. Balls 1950-9-1 15604 Plumas East of Long Lake, 2134 Comment
  RSA472771  Spiraea densiflora Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  CAS-BOT-BC149651  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CDA17256  Spiraea douglasii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16283 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC46128  Spiraea douglasii Lowell Ahart 1974-8-7 597 Plumas Meadow, east of the dirt road, near Ohio Ravine, about 3 miles east of Cold Water Creek, about 10 miles south of Bucks Lake. 1524 Comment
  SDSU9263  Spiraea douglasii D. F. Howe 1963-8-7 2991 Plumas 6.0 miles N of Greenville on #89. 1219 Comment
  CHSC95151  Spiranthes porrifolia R. D. Fischer; Jenny Marr 2004-8-7 853 Plumas Northern Sierra Nevada between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  RSA286343  Spiranthes romanzoffiana Robert F. Thorne 1974-7-30 44992 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  POM312933  Spiranthes romanzoffiana Malcolm A. Nobs, S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley. Comment
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Sep 30 2013
  UC1192307  Spiranthes stellata Malcolm A. Nobs and S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley; bog and marsh Comment
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Sep 30 2013
  RSA52872  Spirodela polyrhiza R. Weatherby 1950-7-28 1485 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  POM283289  Stachys ajugoides R. M. Austin 1908-09 s.n. Plumas American Valley, Sierra Nevada Mt. Range. Comment
  CHSC52073  Stachys ajugoides var. rigida L. P. Janeway 1989-7-21 3511 Plumas Plumas National Forest. At boxed-up spring at crossing of rd 25N85, 1.3 mi from rd 25N05, 2.1 mi NE of Beckwourth-Genesee Rd (rd 111) and Red Clover Valley, 15.7 mi from Beckwourth. 1737 Comment
  JEPS114608  Stachys ajugoides var. rigida Lowell Ahart 2008-9-10 15379 Plumas On the bottom and sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  JEPS62976  Stachys ajugoides var. rigida W. L. Jepson 1924-7-22 10621 Plumas near Rich Point (Dogwood Creek); Middle Fork Feather River 1127 Comment
  JEPS63099  Stachys ajugoides var. rigida John W. Duffield 1937-7-18 Plumas above and w Meadow Valley (above falls); Schneider Creek Comment
  SEINET9336788  Stachys pycnantha Unknown 2014-8-11 Plumas Clarks Creek Comment
  CAS-BOT-BC391185  Stellaria longipes subsp. longipes John Thomas Howell 1967-6-23 42716 Plumas Butterfly Valley 1066 Comment
  CAS-BOT-BC391187  Stellaria longipes subsp. longipes John Thomas Howell 1951-6-27 27587 Plumas McRae Meadow 1981 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
  CHSC60604  Stenotus acaulis L. P. Janeway 1989-6-16 3327 Plumas Plumas National Forest. Northeast slope of Crocker Mountain facing Red Clover Valley. 1828 Comment
  SEINET8077620  Stipa lemmonii var. lemmonii C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded by Plumas/Quincy Streets on N and S, Wiloow and Rock Streets on E and W). 1484 Comment
  CHSC118779  Stipa lettermanii Chelsea Morgan; Wendy L. Boes 2015-6-2 2015 -007 Plumas Plumas National Forest. Northwest side of Rush Creek Hill. East of Forest Service road 26N22, north of 26N67 (UTM 659249 E, 4438019N, NAD83 Zone10N.) 1700 Comment
  SEINET10610750  Stipa occidentalis Alan A. Beetle 1941-6-28 Beetle 2898 Plumas West side of Lake Almanor, mountain meadow in open pine forest. 1829 Comment
  CAS-BOT-BC61294  Streptanthus cordatus var. cordatus L. P. Janeway 1993-7-28 4481 Plumas Plumas National Forest. Greenville Ranger District. Ward Compartment. Near bottom of a western branch of Ward Creek. 1264 Comment
  CAS-BOT-BC87790  Streptanthus tortuosus Anna Head 1921-7-2 s.n. Plumas Feather River Region. At Lake Center Camp. 1920 Comment
  CHSC21729  Streptanthus tortuosus F. T. Griggs; A. Pass 1975-7-2 41 Plumas Buck's Lake. East of road. Comment
  CHSC69205  Streptanthus tortuosus James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2566 Plumas Top of Red Mtn. above Rich Gulch Rd., N of Hwy. 70. Comment
  RSA32714  Streptanthus tortuosus A. A. Heller 1938-7-2 15238 Plumas 3 miles east of Quincy. 1098 Comment
  CHSC64081  Streptanthus tortuosus var. orbiculatus B. Castro; L. Hanson 1988-7-15 273 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  CAS-BOT-BC517430  Streptopus amplexifolius Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  UC367059  Streptopus amplexifolius var. americanus unknown Jul 1878 Plumas Indian Valley Comment
  SEINET10449415  Styrax officinalis subsp. redivivus Mary Susan Taylor 1982-5-23 Taylor 4511 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CAS-BOT-BC245861  Symphoricarpos Clare B. Hardham 1975-8-2 20463 a Plumas Black Mt., Sierra Nevada 2133 Comment
  CHSC67431  Symphoricarpos mollis James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2558 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  UC1552735  Symphoricarpos rotundifolius var. rotundifolius Frederica Bowcutt 1985-6-6 567 Plumas about 15 air mi ne Quincy (about 3 air mi sw of Babcock Peak, along Last Chance Creek); Plumas National Forest Comment
  CAS-BOT-BC97867  Symphyotrichum eatonii John Thomas Howell 1926-7-27 2143 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC97508  Symphyotrichum eatonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1463 Plumas In Butterfly Canyon 1036 Comment
  CAS-BOT-BC97919  Symphyotrichum frondosum L. P. Janeway 1992-11-4 4321 Plumas Northwest side of Lake Davis, ca. 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y) 1755 Comment
  CHSC40876  Symphyotrichum spathulatum K. R. Stern 1985-6-25 8222 Plumas Vicinity of Blairsden. 1371 Comment
  JEPS58959  Symphyotrichum spathulatum J. Thomas Howell 1961-9-25 36958 Plumas Portola Sierra Nevada 1478 Comment
  UC1192212  Symphyotrichum spathulatum Malcolm A. Nobs and S. Galen Smith 1949-8-18 1365 Plumas just s of, (Last Chance Marshes at n end of Lake Almanor) Chester; Lake Almanor, Last Chance Marshes Comment
  CAS-BOT-BC98497  Symphyotrichum spathulatum Roxana S. Ferris; Laura Lorraine 1941-8-9 10431 Plumas Dry meadow at Lake Almanor Public Camp (near village). Comment
  UCD136635  Symphyotrichum spathulatum Malcolm A. Nobs; S. Galen Smith 1949-8-18 1365 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC109855  Tanacetum vulgare L. P. Janeway 2012-10-17 11078 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 2.1 road km north of Onion Valley Creek; up-per east-facing flank of Fingerboard (Peak). 1963 Comment
  CHSC94782  Tanacetum vulgare Lowell Ahart 2006-10-8 13406 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
  RSA51268  Tanacetum vulgare Ella Dales Cantelow 1940-10-5 3413 Plumas 1 mile W of Meadow Valley Inn. Comment
  CAS-BOT-BC376954  Taraxacum officinale Anna Head 1920-7-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  SEINET5344810  Taraxia subacaulis S. B. Doten 1901-6-15 s.n. Plumas Near Last Chance Creek Comment
  JEPS89945  Taraxia tanacetifolia Dean Wm. Taylor with Glenn Clifton 1990-6-26 11182 Plumas near junction of rd. A24 and Dyson Lake (s.w corner of the junction); Sierra Valley 1432 Comment
  SEINET5345165  Taraxia tanacetifolia M. Humphreys 1950-5-20 49 Plumas 1 mile east of Beckwourth, Sierra Valley 1524 Comment
  CDA25446  Tellima grandiflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .269 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC21669  Tellima grandiflora D. Brink; L. Mayer 1975-7-11 Plumas Comment
  JEPS43062  Tellima grandiflora Emanuel Fritz 1936-5-27 Plumas Meadow Valley; University of California Forestry Camp site 1188 Comment
  CHSC62438  Tetradymia canescens L. P. Janeway 1993-8-12 4519 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  SEINET10475191  Tetradymia canescens Mary Susan Taylor 1981-7-13 Taylor 4008 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  JEPS49000  Thalictrum Leland S. Smith 1927-8-10 2169 Plumas meadow at w end Gold Lake 2133 Comment
  CAS-BOT-BC392409  Thalictrum fendleri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC77721  Thelypteris nevadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1488 Plumas Fern Glen 1097 Comment
  SD9917  Thelypteris nevadensis Mrs. R. M. Austin 1876-1 Plumas Comment
  SEINET10907342  Thlaspi montanum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4342 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  JEPS87763  Thlaspi montanum var. montanum Lowell Ahart 1994-6-12 7322 Plumas about 1 1/4 mi (air) s Bucks Lake (on the w side of Faggs Mine Road, near Cedar Flat, sw of a small branch of Willow Creek); s of Bucks Lake, sw of a small branch of Willow Creek 1706 Comment
  CHSC101955  Torreyochloa pallida var. pallida Lowell Ahart; John Dittes 2009-7-27 16190 Plumas On dry soil, about 20 yards north of the poor dirt road, on the bottom of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC81193  Torreyochloa pallida var. pauciflora Lowell Ahart 2001-8-29 9251 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET257435 Image available Torreyochloa pallida var. pauciflora E. Joyal, D Mehlman 1988-6-30 1298 Plumas Quincy east of 1200 Comment
  CAS-BOT-BC172901  Toxicodendron diversilobum John Thomas Howell 1959-9-21 34738 Plumas Belden 701 Comment
  CAS-BOT-BC377045  Tragopogon John Thomas Howell 1955-7-19 30736 Plumas Portola 1478 Comment
  CAS-BOT-BC377047  Tragopogon John Thomas Howell 1955-7-20 30838 Plumas Mohawk 1371 Comment
  CAS-BOT-BC377169  Tragopogon pratensis John Thomas Howell 1951-6-28 27643 Plumas Johnsville 1584 Comment
  CHSC107919  Triantha occidentalis subsp. occidentalis L. P. Janeway 2011-9-11 10722 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. In the mossier middle of the meadow. 1570 Comment
  UC711931  Trichostema oblongum Roxana S. Ferris and Laura Lorraine 1941-8-9 10422 Plumas Lake Almanor Public Camp (near village) Comment
  SEINET7972648  Trichostema simulatum A. A. Heller, P. B. Kennedy 1907-7-15 8839 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  RSA0088246  Trientalis latifolia Bonnie C. Templeton 1968-6-8 11218 Plumas Twain Road, w. of Butterfly Valley, ca 10 miles west of Quincy. Comment
  CDA14036  Trifolium breweri G. F. Hrusa, T. D. Wilfred 1996-8-1 13408 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CDA32107  Trifolium breweri L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16128 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. Comment
  SEINET7929935  Trifolium breweri LeDoux, Morris; Dunn 1973-6-5 1073 Plumas On south side of Greenville on north facing slope.; 0 Comment
  SEINET7929936  Trifolium breweri J. M. Gillett, T. Mosquin 1963-7-14 11977 Plumas Feather River Highway, 3.8 miles W of Quincy.; 0 945 Comment
  UC54387  Trifolium breweri H. M. Hall and E. B. Babcock July, 1903 4427 Plumas Indain Valley Sierra Nevadas, Greenville 1066 Comment
  CHSC94106  Trifolium cyathiferum Lowell Ahart 2006-7-9 12934 Plumas In a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  JEPS114410  Trifolium cyathiferum Lowell Ahart 2008-7-16 15076 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
  UC1103433  Trifolium cyathiferum C. M. Wilder 1912-7-2 1854 Plumas s Prattville Comment
  SDSU5273  Trifolium cyathiferum R. M. Beauchamp 1965-7-17 Plumas Growing beside the Feather River, 1/2 mile north of Chester. Comment
  UCSC011159  Trifolium geminiflorum Lowell Ahart 2003-7-18 10423 Plumas In a small meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles northwest of La Porte 1710 Comment
  CHSC48054  Trifolium lemmonii L. P. Janeway 1989-7-7 3469 Plumas Plumas National Forest. Along NE side of Red Clover Valley; along rd 24N23 0.4 mi SE of rd 26N70 (the rd to Laufman). 1691 Comment
  UCD111280  Trifolium longipes Michael A. Vincent 1999-6-9 8573 Plumas Sierra Twp. Along Marble Lane, SSE of Beckwourth, east of CA Rt. A23. Comment
  CDA18439  Trifolium longipes subsp. elmeri G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3138 Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  UCD107492  Trifolium microcephalum Tim Kuhn 2006-6-23 38 Plumas near Bagley Pass. Comment
  CAS-BOT-BC230187  Trifolium productum Joseph Andorfer Ewan 1934-6-25 8216 Plumas Gold Lake Road above Dentens (Blairsden) 1524 Comment
  HSC73123  Trifolium productum M. S. Taylor 1981-6-17 3925 Plumas N side of Coldwater Spring, 1/4 mi. E of its Jct. with 25N49, 14 air mi. N of Blairsden 2256 Comment
  SEINET3441868  Trifolium variegatum Unknown 2003-7-18 10423 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  CDA13395  Trifolium wormskioldii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13244 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. Comment
  CHSC85736  Trifolium wormskioldii G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13244 Plumas Sierra Nevada. Plumas National Forest. Bank of Bull Run Creek off USFS 23N12E. [Lat./long. on label is '39 54 N; 120 38 W']. 2000 Comment
  RSA0039541  Trifolium wormskioldii Lowell A. Ahart 2008-8-13 15185 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  SBBG21860  Trifolium wormskioldii D. Myrick 1964-7-20 887 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  UC630688  Trifolium wormskioldii Mrs. C. G. Gulling 1905-1 Plumas Big Meadows Comment
  POM67936  Triodanis biflora Mrs. R. M. Austin 1876-07 37 Plumas American Valley. [County: possibly Plumas or Sacramento.] Comment
  CAS-BOT-BC199686  Trisetum canescens G. Schoolcraft 1997-8-5 2634 Plumas Rock Creek 1746 Comment
  CDA13352  Trisetum canescens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13201 Plumas Sierra Nevada; Occasional in dry gravelly openings within coniferous understory. Perennial. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC42144  Trisetum canescens Lowell Ahart 1978-7-29 1794 Plumas 1/2 mile below the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  SEINET10833779  Triteleia gracilis A. Arthur Heller, Patrick B. Kennedy 1907-7-11 Heller 8816 Plumas Prattville Comment
  RSA508623  Triteleia hyacinthina Mrs. R. M. Austin 1880-7-10 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC522029  Triteleia hyacinthina Mary Strong Clemens 1920-6-21 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC522032  Triteleia hyacinthina A. A. Heller; P. B. Kennedy 1907-7-9 8791 Plumas Prattville Comment
  POM89197  Triteleia hyacinthina Katherine Brandegee 1911-6-30 s.n. Plumas Portola Comment
  CHSC63201  Triteleia montana Lowell Ahart 1994-6-29 7401 Plumas About 1/2 mile south of Bucks Lake. 1828 Comment
  CHSC65145  Triteleia montana Vernon H. Oswald 1995-7-24 7124 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC98345  Triteleia montana L. P. Janeway 2007-6-3 9010 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  JEPS79154  Triteleia montana L. R. Heckard with R. Bacigalupi 1980-6-12 5261 Plumas w Lake Almanor (along route 89 w of Almanor Campground (US Forest Service)) Comment
  CAS-BOT-BC527379  Triteleia montana Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC527551  Triteleia montana Alice Eastwood 1927-6-17 14626 Plumas United States Forest Reserve, Long Valley Comment
  JEPS5656  Triteleia montana W. I. Follett 1937-6-13 Plumas summit between Redwood Ravine and Rich Gulch Comment
  RSA32024  Triteleia montana A. A. Heller 1938-6-22 15177 Plumas Gravelly plain west of Chester 1305 Comment
  UC1280465  Triteleia montana Theodore F. Niehaus 1965-6-23 587 Plumas 2.2 mi n Bucks Lake summit (on Spanish Peak lookout road) Comment
  UC1134190  Tsuga mertensiana E. Nourse 1934-9-11 37 Plumas 0.25 mi n Pilot Pk.; Plumas National Forest, Downieville Quad. 2133 Comment
  CAS-BOT-BC80234  Tsuga mertensiana subsp. grandicona E. K. Balls 1950-9-2 15651 Plumas Lodgepole Pine Forest; Mt. Ingalls Lookout, north of Grizzly Valley 2484 Comment
  CAS-BOT-BC74012  Turritis glabra John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2129 Plumas Butterfly Botanical Area and Vicinity. At spring. 1127 Comment
  CAS-BOT-BC74014  Turritis glabra D. E. Breedlove 1962-6-12 3453 Plumas Sierra Nevada. On bank of Jackson Creek. In upper drainage of Middle Fork Feather River, 1 mile SE of Cromberg. 1341 Comment
  CAS-BOT-BC74016  Turritis glabra M. S. Taylor 1982-6-21 4704 Plumas Ca. 0.25 mile west of Eureka Ridge Road (23N09), ca. 0.75 mile west of White Cap, ca. 3 air miles SW of Sloat. 1767 Comment
  SEINET3376416  Umbellularia californica C. Lumer, S. Yost 2006-7-27 2451 Plumas Sierra Nevada Mountains. Route 70 going West from Quincy, along the Feather River.. 731 Comment
  CHSC81164  Urtica dioica subsp. holosericea Lowell Ahart 2001-9-24 9203 Plumas Near 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, on the west side of the poor dirt road,about 3/4 mile northeast of Chester. 1371 Comment
  UCD121701  Utricularia intermedia Barry Rice 2006-7-16 BR 060704 Plumas at Willow Lake. Comment
  SEINET6676433  Utricularia macrorhiza A. A. Heller, P. B. Kennedy 1907-7-11 8817 Plumas Prattville Comment
  CAS-BOT-BC240358  Utricularia minor John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-12 2397 Plumas Butterfly Botanical Area Comment
  CHSC105508  Utricularia minor Lowell Ahart 2010-10-21 17317 Plumas In about 4 inches of water, east side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  SJSU15169B  Utricularia minor J. H. & E. Rondeau 1994-6-6 Plumas N end Lake Almanor, E side of lake, N of Hwy 36 bridge Comment
  UCD135957  Utricularia minor Barry Rice 2012-6-19 BR 120609 Plumas Silver Lake. 1760 Comment
  CAS-BOT-BC240362  Utricularia ochroleuca V. Oswald; L. Ahart 1988-8-4 3676 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  SEINET10500525  Utricularia vulgaris Mary Susan Taylor 1982-7-22 Taylor 4903 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
  CAS-BOT-BC199166  Vaccinium cespitosum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1859 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  CHSC108746  Vaccinium cespitosum B. Castro; L. P. Janeway 2003-9-7 1458 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. At a pair of ponds, along S edge of larger southern pond just above highest water mark, at forest edge. 2065 Comment
  CHSC77144  Vaccinium cespitosum Loren Gehrung 1994-9-14 122 Plumas East of USFS Rd 23N18. 1706 Comment
  SD7780  Vaccinium myrtillus Mrs. R. M. Austin Unknown Plumas Comment
  UC1537439  Veronica americana Gordon H. True Jr. 1937-7-15 964 Plumas Dixie Valley, at Rowland's Cabin Dixie Valley 1798 Comment
  CHSC81162  Veronica peregrina subsp. xalapensis Lowell Ahart 2001-9-24 9198 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC37005  Veronica scutellata M. S. Taylor 1982-8-27 5070 Plumas Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1487 Comment
  CHSC54493  Veronica scutellata Vernon H. Oswald; Lowell Ahart 1991-7-30 4789 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CHSC74131  Veronica scutellata B. Castro; L. P. Janeway 1998-8-29 835 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake, opposite floating bog. 1661 Comment
  RSA239289  Veronica scutellata Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42317 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA286339  Veronica scutellata Robert F. Thorne 1974-7-30 45019 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  UC1101485  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-18 1372 Plumas just s of Chester (Last Chance Marshes at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC21124  Veronica serpyllifolia subsp. humifusa F. T. Griggs; A. Pass 1975-7-2 43 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  SBBG128048  Veronica serpyllifolia subsp. humifusa L. Ahart, J. Dittes, J. Guardino 2009-7-22 16155 Plumas meadow on W side of Forest Service Rd 27N92K, E side of Long Valley, ca. 3.5 mi WSW of Greenville, ca. 5.2 mi SE of Lake Almanor Dam 1606 Comment
  CAS-BOT-BC263816  Viola Clare B. Hardham 1975-8-2 20457 Plumas Black Mountain 2133 Comment
  CAS-BOT-BC264016  Viola adunca Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  UCSB46174  Viola adunca var. adunca Reisentz, Paul 1979-5-12 Plumas Indian Creek at the junction of Highway 70 and Highway 89 Comment
  JEPS127200  Viola bakeri Lowell Ahart 2016-6-2 20909 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1761491  Viola bakeri Milo S. Baker 1926-8-26 342 Plumas Drakesbad 1767 Comment
  CHSC2004  Viola beckwithii V. Holt 1931-5-16 Plumas Humbug Valley. 1219 Comment
  CHSC20252  Viola beckwithii T. Lorenz 1972-4-22 4 Plumas Abundantly located on w shore of Lake Davis ca. 12 mi n of Portola, on Lake Davis road. Comment
  CHSC63933  Viola beckwithii Casey Stemler 1990-4-21 17 Plumas Large population 8 mi w of Humbug Valley, 11 mi s e of Hwy 32. 1280 Comment
  CHSC89516  Viola glabella G. D. Barbe; T. C. Fuller 1982-6-16 3785 Plumas Northern California. Plumas National Forest. Meadow below Mud Lake, 3/4 mi NE of Eisenheimer Peak. [Lat./long. on label is '40 10 N; 120 43 W']. 2097 Comment
  CAS-BOT-BC536845  Viola glabella John Thomas Howell 1960-7-21 35843 Plumas Lassen Volcanic National Park: NW of Willow Lake 1676 Comment
  CAS-BOT-BC536847  Viola glabella David D. Keck 1932-7-3 1699 Plumas Quincy, Northern Sierra Nevada. Water supply canyon to the left hand just S of town 1066 Comment
  HSC21798  Viola glabella Jim Vaughn 1956-7-1 Plumas Drakesbad, 18 mi. NW of Chester P.O. Comment
  SD46709  Viola glabella Robert J. Weatherby 1955-6-26 1564 Plumas edge of bog; near Lakes Ranger Station, Lakes Basin 1981 Comment
  RSA189448  Viola lobata L. S. Rose 1967-6-12 67117 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  CAS-BOT-BC175671  Viola lobata John Thomas Howell 1977-6-21 s.n. Plumas Between Seneca and Butt Valley Reservoir Comment
  CAS-BOT-BC537102  Viola lobata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1930 Plumas Butterfly Botanical Area and vicinity: Between valley proper and Darlingtonia bog 1066 Comment
  RSA147034  Viola lobata Alice Eastwood 1927-06 14460 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  SEINET6177006  Viola lobata A. A. Heller, P. B. Kennedy 1907-7-11 8805 Plumas Prattville.; 0 Comment
  UC1121582  Viola lobata subsp. integrifolia D. Axelrod 1934-6-9 31 Plumas 2 1/2 mi w of Lexington Hill; Plumas National Forest 1706 Comment
  CHSC21561  Viola lobata subsp. lobata D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake. Comment
  CAS-BOT-BC530104  Viola lobata subsp. lobata Walter Knight; Irja Knight 1966-6-18 1281 Plumas Butterfly Valley 1143 Comment
  CHSC117023  Viola macloskeyi Lowell Ahart 2016-6-2 20908 Plumas Wet meadow, about 150 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  CHSC89512  Viola purpurea subsp. integrifolia G. Douglas Barbe; T. C. Fuller 1982-7-16 3753 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 miles south of Green Flat, Plumas National Forest. 1981 Comment
  POM147036  Viola purpurea subsp. integrifolia Alice Eastwood 1927-06 14609 Plumas Long Valley. United States Forest Reserve. Comment
  CHSC61242  Viola purpurea subsp. quercetorum K. B. McShea 1992-4-24 20 Plumas Ca 0.6 mi n of Jct. of Hwy 70 and Citizens Utility Building. 6.3 mi e of Quincy. 914 Comment
  UC1761418  Viola purpurea subsp. quercetorum E. I. Applegate 1934-5-3 8900 Plumas near and S of Mohawk Comment
  CHSC112567  Viola purpurea var. dimorpha B. Castro; L. P. Janeway 2007-6-7 1636 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 400 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CAS-BOT-BC168219  Viola sheltonii John Thomas Howell 1977-6-21 52378 Plumas Seneca 1097 Comment
  UC2012976  Viola sheltonii Barbara Ertter with Gary Schoolcraft 1990-5-14 8983 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. Comment
  CAS-BOT-BC203102  Vitis californica John Thomas Howell 1959-9-24 34922 Plumas Indian Creek Canyon near Indian Falls Comment
  RSA0121724  Vitis californica Lewis S. Rose 1967-7-9 67140 Plumas Caribou, North Fork, Feather River. 915 Comment
  CAS-BOT-BC183205  Vulpia microstachys var. ciliata John Thomas Howell 1962-6-17 37683 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC183207  Vulpia microstachys var. ciliata John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1984 Plumas Near barn in valley proper. Butterfly Botanical Area and Vicinity 1036 Comment
  CAS-BOT-BC184016  Vulpia microstachys var. microstachys John Thomas Howell 1961-6-21 36665 Plumas Greenville 1097 Comment
  UCD94587  Vulpia microstachys var. pauciflora Lewis S. Rose 1967-6-12 67115 Plumas Butterfly Valley, 3 miles west of Keddie. 1219 Comment
  CHSC49669  Xerophyllum tenax Vernon Oswald 1986-6-6 2098 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  SEINET3150472  Zauschneria californica E. K. Balls 1950-9-5 15674 Plumas 1 mi. off hwy 24 on La Porte Road, between Quincy and Ramelli, Thompson Valley Comment
  UCR63641  Zigadenus exaltatus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0956 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  CAS-BOT-BC533128  Zigadenus paniculatus L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  RSA59110  Zigadenus paniculatus E. K. Balls 1950-8-30 15513 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  UC844426  Zigadenus paniculatus A. A. Heller 1938-6-4 15137 Plumas n Chester 1304 Comment
  CAS-BOT-BC533086  Zigadenus venenosus Anna Head 1920-6-1 s.n. Plumas Near Lake Center Camp; Feather River Region 1920 Comment
  CAS-BOT-BC186065  Zizania aquatica Wayne Dakan 1975-9-27 s.n. Plumas On Greenhorn Creek on road to Quincy Junction about 2 mi. ne. of Quincy 1066 Comment



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