Search Results — 2000 specimen records retrieved (1426 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
  RSA384210  Abies concolor B. C. Templeton 1967-4-24 s.n. Plumas About 16 miles E of Quincy. Comment
  CAS-BOT-BC330980  Acer glabrum var. glabrum Lowell Ahart 1981-8-7 3023 Plumas About 1 mile NE of Pilot Peak, ca 16 miles NE of La Porte. 1900 Comment
  UC496446  Acer glabrum var. glabrum Merle Randall 1920-6-26 Plumas Falls on Hawley Grade Comment
  CAS-BOT-BC330976  Acer glabrum var. glabrum Anna Head 1976-6-12 s.n. Plumas Feather River Region, Lake Independence Comment
  CAS-BOT-BC333230  Acer macrophyllum Alice Eastwood 1927-6-1 14492 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  UCD117017  Acer macrophyllum Matt Georgeff 1992-5-16 12 Plumas 0.7 mile from French Bar, upstreep from French Bar along Feather Road against big sloping hill. 731 Comment
  RSA716687  Achillea millefolium L. Ahart 2005-9-19 12406 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  UC1125398  Achillea millefolium E. Sawyer 1935-6-24 142 Plumas 1 mi ese Crow; Sierraville Quadrangle 1676 Comment
  UCD128363  Achillea millefolium M. Vincent 1968-6-10 866 Plumas Carabou Road, 1 mile from Feather River, Hwy 70. Comment
  SEINET11842153  Achillea millefolium var. lanulosa M. Sacks, Detzer 1977-1 9 Plumas Edge of Yellow Pine Forest. ca 3.5 km NE of Squaw Pk. Milford Quad., Sec. 1, T25N, R14E 1973 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
  UCD148591  Achnatherum lemmonii G. F. Hrusa; T. D. Wilfred 1996-8-1 13419 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1800 Comment
  UCD50590  Achnatherum lemmonii Beecher Crampton 1954-5-10 1864 Plumas 1.5 miles northeast of Portola, Plumas County. 1524 Comment
  POM198336  Achnatherum lemmonii var. lemmonii H. S. Yates 1912-6-14 s.n. Plumas Portola 1524 Comment
  CAS-BOT-BC210843  Achnatherum occidentale subsp. californicum Lowell Ahart 1978-7-29 s.n. Plumas 0.5 mile below the Bunker Mine 2000 Comment
  CAS-BOT-BC210845  Achnatherum occidentale subsp. californicum John Thomas Howell 1951-6-27 27569 Plumas Johnsville 1584 Comment
  JEPS115947  Achnatherum occidentale subsp. californicum Lowell Ahart, John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC73876  Achnatherum occidentale subsp. occidentale B. Castro 1997-6-9 727 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  CAS-BOT-BC210931  Achnatherum occidentale subsp. pubescens John Thomas Howell 1955-7-19 30754 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC218039  Achnatherum stillmanii Lowell Ahart 1980-7-27 2487 Plumas E of Four Water Creek 1500 Comment
  CHSC62455  Acmispon americanus var. americanus L. P. Janeway 1993-8-26 4546 Plumas Plumas National Forest. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. On the south side of Middle Fork Feather River. 1484 Comment
  UCD103941  Acmispon americanus var. americanus J. M. Tucker 1948-7-24 1715 Plumas Near road from Cascade to Camel Peak. Comment
  UC1075667  Aconitum columbianum Robert J. Weatherby 1950-7-7 1445 Plumas Quincy, Gansner Creek 1219 Comment
  CAS-BOT-BC391465  Aconitum columbianum subsp. columbianum Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  CAS-BOT-BC412609  Aconogonon alaskanum Anna Head 1921-8-5 s.n. Plumas Near outlet of Bear Lake, Feather River Region 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
  CHSC75508  Agastache urticifolia G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13276 Plumas Plumas National Forest. Sites adjacent to Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  UC1540451  Agastache urticifolia Ethel Crum 1937-8-7 1947 Plumas three mi w Lake Almanor; w of Lake Almanor 1524 Comment
  CAS-BOT-BC29437  Ageratina occidentalis Anna Head 1921-7-1 s.n. Plumas Lake Center Camp Comment
  SD8936  Ageratina occidentalis unknown 1882-7-26 Plumas Hamilton Bridge, Big Meadows. Comment
  UCD128568  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas near Notson bridge, north side of Beckwourth-Gensee Road, ca. 7 air miles east of Gensee. Comment
  CDA19251  Agoseris glauca var. laciniata G. D. Barbe, T. C. Fuller 1982-6-17 3810 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CDA20913  Agoseris glauca var. laciniata G. D. Barbe, T. C. Fuller 1982-7-16 3756 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
  CDA28637  Agoseris grandiflora G. D. Barbe 1981-6-23 3089 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  HSC100128  Agoseris grandiflora G. D. Barbe 1981-6-23 3089 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  UC485801  Agoseris monticola H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC13247  Agoseris monticola Milo S. Baker 1926-8-29 321 C Plumas Upper Lee's Camp Comment
  SEINET10876361  Agropyron saxicola Hart 1974-1 Hart 591 Plumas Small size plant. On bare serpentine on dry soil, Cedar Flat s of Bucks Lake, ca. 10 mi S of Bucks Lake. 1829 Comment
  RSA59477  Agrostis E. K. Balls 1950-9-15 15874 Plumas 5 miles. S. E. of Graeagle, Sulphur Creek, Hwy 89 1372 Comment
  SEINET7295923 Image available Agrostis alba John Thomas Howell, Gordon True; Walter Knight; Irja Lnight 1967-1 2189 Plumas Mouth of Butterfly Creek 884 Comment
  CAS-BOT-BC127496  Agrostis capillaris L. P. Janeway 1992-8-30 4303 Plumas Plumas National Forest. Beckwourth Ranger District. McRae Compartment. McRae Meadow. Upper end of East Nelson Creek. 1914 Comment
  CAS-BOT-BC127083  Agrostis exarata Clare B. Hardham 1970-8-11 17716 D. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC127085  Agrostis exarata John Thomas Howell 1960-7-22 35883 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  JEPS101235  Agrostis exarata Dean W. Taylor 2000-8-8 17560 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  CAS-BOT-BC127090  Agrostis exarata John Thomas Howell 1959-9-22 34845 Plumas Drakesbad. 1737 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
  CDA17224  Agrostis pallens G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16327 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC24271  Agrostis scabra K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  SACT000172  Agrostis scabra Malcolm Nobs, S. Smith 1949-8-18 Plumas Plants caespitose; in bloom in water, past blooming on dried areas Comment
  UC1028649  Agrostis scabra Robert J. Weatherby 1950-7-17 1465 Plumas 4 mi n Quincy; Feather River Camp 1066 Comment
  UC573808  Agrostis scabra H. S. Yates 1936-8-12 6091 Plumas Lake Almanor Plattville Quad. 1341 Comment
  CDA12141  Agrostis variabilis G. F. Hrusa, J. Dinsdale 1989-6-25 7189 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CAS-BOT-BC267059  Alisma John Thomas Howell 1973-7-9 49707 Plumas Crescent Milk 1066 Comment
  CAS-BOT-BC131951  Allium John Thomas Howell 1976-4-2 51576 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC52541  Allium campanulatum L. P. Janeway 1990-6-12 3713 Plumas Plumas National Forest. Rattlesnake Creek, just N of Lang Valley; along road 508 ca. 1.1 mi N of Hwy 70/89. 1432 Comment
  CHSC80302  Allium campanulatum L. P. Janeway 1996-6-12 5010 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
  SBBG30570  Allium campanulatum D. Myrick 1968-6-18 1944 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC466608  Allium campanulatum Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk. near Onion Valley 1800 Comment
  CAS-BOT-BC466620  Allium campanulatum David D. Keck 1932-7-3 1630 Plumas Quincy. Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC466702  Allium campanulatum Anna Head 1920-7-20 s.n. Plumas Summit Mt Elwell Comment
  SEINET3884281  Allium campanulatum D. W. McNeal 1995-7-16 4127 Plumas Just above the parking area at the Gray Eagle trailhead to Long and Smith Lakes, Plumas Nat. For.; 0 Comment
  UC614423  Allium campanulatum L. Constance 1938-6-10 2321 Plumas near Lake Almanor (Feather River at Chester); Feather River, Chester 1219 Comment
  CAS-BOT-BC472964  Allium lemmonii Philip A. Munz 1947-5-17 11846 Plumas 20 miles north of Chilcoot 1828 Comment
  UCD143205  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  CAS-BOT-BC474281  Allium obtusum var. obtusum Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Plumas County Comment
  CAS-BOT-BC474057  Allium parvum John Thomas Howell 1975-6-16 51138 Plumas 2 miles northwest of Spring Garden, Sierra Nevada 1173 Comment
  JEPS15034  Allium parvum A. A. Heller 1938-5-21 15104 Plumas on the plain about the airfield w. of Chester 1304 Comment
  SJSU14346  Allium parvum N. A. Hopkins 1990-5-12 1612 Plumas 16 mi NW of Beckwourth on rd to Genesee 1676 Comment
  UC1133830  Allium platycaule P. G. Haddock 1938-5-29 13 Plumas Rock Creek on rocky ledge above stream Plumas National Forest, Downieville Quadrangle, Rock Creek Comment
  RSA164372  Allium platycaule Clare B. Hardham 1961-6-16 7467 Plumas Diamond Peak. 2287 Comment
  SD46475  Allium platycaule Robert J. Weatherby 1955-7-2 1568 Plumas Locally common in barren volcanic gravel on exposed ridge. Bear Ridge, near Taylor Lake. 2194 Comment
  CAS-BOT-BC476717  Allium validum Anna Head 1921-7-17 s.n. Plumas Grey Eagle Meadows, Feather River Region Comment
  SEINET10472024  Allium validum Mary Susan Taylor 1981-7-17 Taylor 4024 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
  JEPS113463  Allophyllum divaricatum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14048 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 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
  CHSC62365  Allophyllum integrifolium B. Castro; L. Hanson 1989-8-17 400 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  CAS-BOT-BC171372  Alnus incana subsp. tenuifolia M. S. Jussel 1931-9-6 s.n. Plumas Sulphur Works, Mt. Lassen 2133 Comment
  SDSU4769  Alnus incana subsp. tenuifolia D. F. Howe 1959-8-3 2785 Plumas 30 mi. north of Quincy. 1372 Comment
  CAS-BOT-BC170692  Alnus rhombifolia Walter Knight; Irja Knight 1966-6-18 1330 Plumas Butterfly Valley. Regional Parks Botanic Garden 1097 Comment
  NY42164  Alnus rhombifolia J. B. Walker 1994-8-3 870 Plumas On La Porte Rd, 10km S of junction with Hwy 70 1400 Comment
  SEINET12029703  Alnus tenuifolia W. Knight, Knight, I. 1983-1 4944 Plumas Confluence of North Fork of Feather River & Warner Creek, on road between Chester & Drakesbad 1463 Comment
  CHSC40449  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 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
  CAS-BOT-BC138119  Alopecurus aequalis var. aequalis Lowell Ahart 1981-8-7 3022 Plumas Sierra Nevada. Lake ca. 1 mile northeast of Pilot Peak, along the dirt road from Onion Valley to Hopkins Creek, ca. 16 miles northeast of La Porte. Comment
  CAS-BOT-BC137993  Alopecurus geniculatus John Thomas Howell 1961-9-23 36875 Plumas Sierra Nevada. Cooks Creek near Englemine. 1082 Comment
  CAS-BOT-BC137995  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  SEINET10934630  Alopecurus geniculatus Mary Susan Taylor 1982-8-27 Taylor 5062 Plumas T23N R14E S1/2 NE1/4 Sec. 28. Portola quad. Along river in moist areas; Ramelli Ranch, where Feather River crosses railroad tracks, ca. 1.5 mi SW of Beckwourth. With Artemisia biennis, Bidens cernua. 1487 Comment
  CHSC103138  Amaranthus californicus Lowell Ahart; John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC98337  Amelanchier alnifolia var. pumila L. P. Janeway 2007-6-3 9021 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CDA14675  Amelanchier alnifolia var. semiintegrifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3118 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  POM275581  Amelanchier florida Lyman D. Benson 1932-7-29 4012 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CHSC46655  Amelanchier pallida Lowell Ahart 1989-7-2 6338 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CAS-BOT-BC136781  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1969-6-24 2435 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area. Along roadside, Highway 70 883 Comment
  CHSC117576  Amelanchier utahensis Lowell Ahart 2016-7-9 21092 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UC1127756 Image available Amelanchier utahensis D. Axelrod 1934-6-8 13 Plumas La Parte; Plumas National Forest, Downieville Quad. 1524 Comment
  CAS-BOT-BC213970  Amsinckia A. A. Heller; P. B. Kennedy 1907-7-15 8850 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  SEINET12479935  Amsinckia lycopsoides W. Harnach, N. Harnach 1990-5-12 305 Plumas Sierra Valley, Feather River Ranch. 1524 Comment
  UC127434  Amsinckia menziesii var. menziesii A. A. Heller with P. B. Kennedy 1907-7-15 8850 Plumas near mouth of Little Grizzly Creek below Genessee Comment
  UC134194  Anaphalis margaritacea Mrs. R. M. Austin 1879-10-1 88 Plumas Mount Dyer Comment
  CAS-BOT-BC391928  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas West of Chester Comment
  CDA38189  Angelica breweri T. C. Fuller 1958-7-7 1915 Plumas 3 miles west of Virgilia. 0 Comment
  CHSC89307  Antennaria argentea G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3218 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
  UC2042994  Antennaria argentea Barbara Ertter with Gary Schoolcraft 1990-5-14 8987 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  CAS-BOT-BC59309  Antennaria argentea Alice Eastwood 1927-6-17 14637 Plumas United States Forest Reserve. Trail to Long Valley Comment
  JEPS113786  Antennaria dimorpha Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14039 Plumas Along the west side of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  RSA39730  Antennaria dimorpha Philip A. Munz 1947-5-16 11820 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC57062  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4073 B Plumas Plumas National Forest. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  CHSC89284  Antennaria geyeri G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16338 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC58709  Antennaria geyeri L. P. Janeway 1989-6-20 3348 Plumas Red Clover Valley 1691 Comment
  SEINET6755464 Image available Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover Valley. Comment
  UCD129036  Antennaria umbrinella G. L. Stebbins Jr.; J. A. Jenkins 1937-7-10 2312 Plumas west of head of Stony Ridge, Diamond Mountains. 1828 Comment
  CHSC69519  Antirrhinum vexillo-calyculatum subsp. intermedium Lowell Ahart 1997-9-11 7896 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
  JEPS83414  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas 0.3 mi ne Hwy. 70 intersection with Pulga Road, ne end of bridge (Hwy 70, on n side of road); Pulga Quad. (15', 1957) 487 Comment
  JEPS50773  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9288 Plumas just e Rich Bar (along Feather River Highway) 762 Comment
  JEPS5349  Antirrhinum vexillocalyculatum subsp. intermedium W. I. Follett 1942-7-27 136 Plumas Deadwood Summit 1386 Comment
  CHSC47967  Apocynum androsaemifolium Vernon Oswald 1983-8-24 1026 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  RSA31685  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-7-2 s.n. Plumas 3 miles east of Quincy. 1098 Comment
  RSA59699  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-9 15768 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  SEINET10454891  Apocynum pumilum Mary Susan Taylor 1981-7-17 Taylor 4035 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  SD7972  Aquilegia Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  UCD95496  Aquilegia eximia D. Sanchez-Mata; P. Rodrigues-Rojo 1997-8-16 s.n. Plumas Rich Bar-Virgilia. Plumas National Forest. Serpentine Canyon. 800 Comment
  CAS-BOT-BC397887  Aquilegia formosa Thomas H. Kearney 1944-8-14 51 Plumas Near Prattville, Lake Almanor Comment
  CDA14680  Aquilegia formosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3125 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CHSC61605  Aquilegia formosa Arthur G. Barrett 1915-7-8 Plumas Indian Creek, near Willow Creek. NE slope 1676 Comment
  SEINET10480702  Arabis Mary Susan Taylor 1981-7-22 Taylor 4103 Plumas T24N R11E se/se sec 8, Spring Garden quad. In Red Fir Forest; ca. 1/4 mi NE of Argentine Lookout, ca. 5 air mi N of Spring Garden. 7100 ft elev. 2164 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
  RSA0126002  Arabis divaricarpa E. K. Balls 1950-9-2 15626 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  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
  UC972183  Arabis sparsiflora Milo S. Baker 1952-5-27 12475 Plumas Camp Storrie Feather River Canyon 457 Comment
  CAS-BOT-BC171676  Aralia californica John Thomas Howell 1973-7-9 49704 Plumas Near Indian Falls, Indian Creek, Sierra Nevada 914 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  SD71013  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas Drakesbad 1676 Comment
  CAS-BOT-BC407771  Arceuthobium californicum Robert J. Weatherby 1955-8-2 1667 Plumas Jeep trail from Spanish Ranch to Bean Hill Diggings, Meadow Valley 1158 Comment
  CAS-BOT-BC38622  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1985-7-23 2540 Plumas Arid slopes adjacent to old abandoned county road ca 400 feet above (elevation) Highway 70 807 Comment
  CAS-BOT-BC40015  Arctostaphylos nevadensis Alice Eastwood 1927-6-15 14593 Plumas Forest Lodge near Greenville Comment
  SD49834  Arctostaphylos nevadensis R. Roseberry 1934-11-7 13 Plumas Downieville quadrangle, 2 mi. N of Penman Pk. 2135 Comment
  UC1075635  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas on side of mt. Lakes Basin area, Mt. Elwell 2194 Comment
  UCD52673  Arctostaphylos nevadensis J. I. Mallory 1970-8-3 383 Plumas 1 1/2 miles north of North Valley and 3 miles northwest of Rock Creek Power House. 1463 Comment
  SEINET9339325  Arctostaphylos nevadensis Unknown 1982-6-15 3718 Plumas 1 mi below and NE of Red Hill Summit, Plumas National Forest. Comment
  NY42168  Arctostaphylos patula J. B. Walker 1994-8-3 868 Plumas 5km N of Quincy, on USFS Rd 25N12, 2km W of USFS Quincy work center 1500 Comment
  UCD53311  Arctostaphylos patula John Thomas Howell 1976-4-2 51580 Plumas Spring Garden. 1219 Comment
  SEINET10449254  Arctostaphylos patula Mary Susan Taylor 1982-6-23 Taylor 4717 Plumas T23N R11E center sec 18. Blue Nose Mt quad. Both sides of 23N10-Peoria Cr Rd, 0.3 mi w of Peoria Cr, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  CHSC23684  Arctostaphylos patula subsp. patula K. Stern; J. Cox 1975-7-24 Plumas W. side of Lake Almanor. Comment
  RSA634255B  Arctostaphylos truei Walter Knight, Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  OBI14484  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi W of Keddie, Butterfly Valley 945 Comment
  CHSC53239  Arenaria aculeata L. P. Janeway 1989-6-16 3328 Plumas Plumas National Forest. Northeast slope of Crocker Mtn facing the SE end of Red Clover Valley. 1828 Comment
  UC584298  Arenaria congesta var. suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-10 2311 Plumas West of head of Stony Ridge Stony Ridge 1828 Comment
  CAS-BOT-BC401821  Argemone munita subsp. rotundata L. S. Smith 1927-6-6 2041 Plumas Near Constantia Comment
  CAS-BOT-BC82221  Arnica chamissonis Alice Eastwood 1927-6-27 14897 Plumas On road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  CHSC85481  Arnica cordifolia G. F. Hrusa; E. Sandoval 1993-5-3 11137 Plumas Snake Lake vicinity. In forest surrounding Snake Lake. [Lat./long. on label is '39 58 N; 120 59 W']. 1250 Comment
  CAS-BOT-BC82499  Arnica discoidea John Thomas Howell 1976-7-15 51865 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CHSC70781  Arnica discoidea B. Castro; L. Gehrung 1995-7-14 585 Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along W edge of USFS Rd 22N29. 1493 Comment
  CHSC79444  Arnica discoidea G. F. Hrusa; B. Smith 1996-7-15 13208 Plumas Sierra Nevada Flora - Plumas National Forest. Hwy 70 approx. 3 mi. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CAS-BOT-BC82507  Arnica discoidea Anna Head 1921-7-28 s.n. Plumas trail to Long Lake, Feather River Region Comment
  UC586858  Arnica discoidea Joseph Andorfer Ewan 1934-7-25 8217 Plumas above, (Gold Lake Rd) Dentens (Blairsden); Sierra Nevada 1524 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 Comment
  CHSC71630  Artemisia arbuscula subsp. arbuscula Vernon H. Oswald; Lowell Ahart 1998-8-11 9488 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Rd. 2.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1905 Comment
  UC1119390  Artemisia arbuscula subsp. arbuscula N. French 1934-11-16 559 Plumas 6 mi s of Beckwith; Sierraville Quadrangle Comment
  CDA10150  Artemisia douglasiana L. Ahart, J. Dittes 2005-9-2 12454 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
  CHSC9714  Artemisia douglasiana Nancy Mosman 1971-7-11 81 Plumas On W side of Hwy 70 ca. 1.3 mi S of the Belden turnoff. 1025 Comment
  SEINET10474106  Artemisia douglasiana Mary Susan Taylor 1981-8-31 Taylor 4258 Plumas California: T22N R12E se1/4 of se1/4 sec 25. Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi S of Clio. Plumas County. 4400 ft. 1341 Comment
  UC710418  Artemisia douglasiana Thomas H. Kearney Aug 14 1944-Aug 26 1944 165 Plumas near Prattville; Lake Almanor Comment
  CAS-BOT-BC90569  Artemisia dracunculus John Thomas Howell 1961-9-23 36866 Plumas Indian Valley 1082 Comment
  UC1119488  Artemisia tridentata subsp. tridentata R. Roseberry 1934-11-19 16 Plumas 1/2 mi n Bungalow; Plumas National Forest, Downieville Quadrangle Comment
  CHSC78476  Artemisia tridentata subsp. vaseyana Vernon H. Oswald 2000-7-31 9944 Plumas Forest Road 28N15 on Diamond Mountain at the pond draining into Indian Creek. 2084 Comment
  HSC75919  Asarum lemmonii Larry E. DeBuhr, G. Wallace 1972-5-21 587 Plumas Plumas National Forest, Butterfly Valley, 1 mi. SW of Keddie along F.S. Rd. 25N12 at junction with Blackhawk Creek Comment
  RSA790004  Asarum lemmonii Rudolf W. Becking 1996-6-5 35 Plumas Near Quincy, Deer Creek bridge. Comment
  UCD22689  Asarum lemmonii Andrea Alfaro 1990-5-12 15 Plumas Quincy quadrangle. On the side of a road. Near a small creek. Under the canopy. Comment
  CHSC54314  Asclepias cordifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4682 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  JEPS26747  Asclepias cordifolia P. C. Hutchison 1961-6-9 2115 Plumas 2 mi s (below) Rich Bar (canyon of the north fork of the Feather River, along U.S. Hwy Alt 40, at bridge) Comment
  UC311359  Asclepias eriocarpa Mary E. Pulsifer July 1890 Plumas Auburn Ravine Indian Valley, Taylorville Comment
  CHSC53576  Asclepias fascicularis L. P. Janeway 1989-7-25 3515 Plumas Plumas National Forest, Beckwourth Ranger District, Crocker Compartment. Along Beckwourth-Genessee Rd (rd 111) 6.1 mi from Beckwourth; east side of Crocker Meadow. 1752 Comment
  SEINET3158546  Asclepias fascicularis E. K. Balls 1950-9-14 15798 Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  CDA18577  Asclepias speciosa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3302 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CHSC117448  Aspidotis densa Lowell Ahart 2016-6-29 21059 Plumas On the east side of a very small drainage, on the southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  SD9714  Aspidotis densa J. G. Lemmon 1875-1 Plumas Sierra Valley Comment
  UCR182892  Aspidotis densa G. D. Barbe, T. C. Fuller 1982-6-15 3709 Plumas On serpentine slope uphill, 0.8 mi. west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 mi. east of Red Hill Summit, Plumas National Forest 1555 Comment
  CAS-BOT-BC97458  Aster Clare B. Hardham 1985-7-31 30128 Plumas at lower end of McClellan Canyon near Doyle's Crossing Comment
  CAS-BOT-BC97460  Aster Clare B. Hardham 1985-8-1 30158 Plumas Antelope Reservoir 1584 Comment
  RSA59248  Aster eatonii E. K. Balls 1950-8-31 15537 Plumas Hwy. 24, 0.5 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  CHSC45637  Aster elatus Vernon H. Oswald 1986-8-7 2273 Plumas Old Hauns Rd. to Homer Lake trailhead, 2.2 mi N of Hwy 89 and slightly east of the road to Hauns Meadows. 1463 Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  SEINET10474123  Aster foliaceus Mary Susan Taylor 1981-7-29 Taylor 4147 Plumas T25N R12E se 1/4 ne 1/4 sec 19 Genesse Valley quad. Along creek crossing 25N 42-Flournoy grade, 0.2 mi N of N branch of Ward Creek, ca. 5 air mi se of Genesse. Riparian wood on granite. 6000 ft. 1829 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
  RSA101410  Astragalus bolanderi R. Weatherby 1955-7-26 1664 Plumas Spanish Peak. 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
  CDA26687  Astragalus lemmonii J. Budaj 1968-9-2 Plumas Sierra Valley. 0 Comment
  CHSC52411  Astragalus lentiginosus var. lentiginosus L. P. Janeway 1989-6-30 3422 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) 5.7 mi N of Beckwourth, almost to Crocker Mdw. 1767 Comment
  UC82731  Astragalus pulsiferae var. pulsiferae Mrs. R. M. Austin July 1876-July 1891 34 Plumas Genessee Valley Comment
  RSA641475  Astragalus purshii var. purshii Michael A. Vincent 1999-6-7 8521 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11; [FS t. lemmonii occurence site TR-3] Comment
  CAS-BOT-BC193048  Astragalus purshii var. tinctus Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  CAS-BOT-BC200862  Astragalus webberi Mary Strong Clemens 1920-5-1 s.n. Plumas Taylorsville Comment
  JEPS109612  Astragalus webberi Dean W. Taylor 2002-6-20 18166 Plumas China Grade ca. 1 road mile S of Taylorsville 1219 Comment
  POM117883  Astragalus webberi Joseph Clemens 1920-5-11 s.n. Plumas Taylorvile. Comment
  CHSC110378  Athyrium filix-femina var. cyclosorum Lowell Ahart 2012-9-5 18450 Plumas Along the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  JEPS116140  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 16350 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS116141  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 16350 -A Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC17543  Athysanus pusillus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 1989 Plumas Butterfly Botanical Area and Vicinity. Valley near barn. 1036 Comment
  SEINET10448432  Athysanus pusillus Mary Susan Taylor 1981-5-10 Taylor 3679 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
  CDA23331  Atriplex truncata J. T. Howell 1959-9-25 35017 Plumas Sierra Nevada; 5 miles east of Beckwourth, Sierra Valley. Comment
  JEPS113940  Atriplex truncata W. and N. Harnach 2000-8-23 1000 Plumas Sierra Valley 1 mile west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC100037  Balsamorhiza deltoidea Alice Eastwood 1927-6-14 14570 Plumas United States Forest Reserve, Forest Lodge Greenville Comment
  UC579643  Balsamorhiza hookeri E. Sawyer 1935-5-21 3 Plumas 3/4 mi SW of Beckwith; Sierraville Quad. 1493 Comment
  CHSC52761  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1990-6-7 3704 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  CAS-BOT-BC16571  Barbarea orthoceras Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor. Comment
  SEINET10448242  Barbarea orthoceras Mary Susan Taylor 1981-5-10 Taylor 3675 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
  JEPS113937  Bassia hyssopifolia W. and N. Harnach 2000-8-23 999 Plumas Sierra Valley 1 mile west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC145808  Beckmannia syzigachne C. Etienne 1969-7-26 293 Plumas Off Middle Fork of Feather River. Highway 89 near Graegle next of Feather River Park Resort entrance. 1280 Comment
  POM186829  Beckmannia syzigachne D. D. Keck 1932-7-5 1688 Plumas Quincy, Northern Sierra Nevada. 1067 Comment
  UCD98843  Bistorta bistortoides Michael A. Vincent 1999-6-8 8545 Plumas Red Clover Valley, along FS Rt. 70, 0.5 mile north of FS 177/CA 111. Comment
  SBBG119863  Blepharipappus scaber L. Ahart, J. Dittes 2003-8-8 10484 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  CAS-BOT-BC128019  Blepharipappus scaber L. P. Janeway 1993-9-23 4601 Plumas Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1498 Comment
  CAS-BOT-BC16873  Boechera John Thomas Howell 1976-7-16 s.n. Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  JEPS100329  Boechera Dean Wm. Taylor and Barbara Ertter 2001-7-18 17834 Plumas 1.5 mi N of upper end of Frenchman Reservoir (Diamond Mountains, meadow tributary to Little Doyle Creek, along Forest Road 25N71 1.4 mi E of Forest Road 25N11); Feaather River Watershed 1783 Comment
  CAS-BOT-BC16882  Boechera W. I. Follett 1946-4-7 s.n. Plumas Feather River Canyon. 670 Comment
  CAS-BOT-BC16884  Boechera G. L. Stebbins 1968-6-8 6703 Plumas Along Indian Creek, 1.5 miles southwest of Indian Falls. 944 Comment
  CHSC43809  Boechera breweri subsp. breweri Lowell Ahart 1977-6-21 1439 Plumas On the floor of the hydraulic mine at Turkeytown, about 15 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC16128  Boechera constancei M. S. Taylor 1981-5-8 3649 Plumas At junctions of roads 26N18, 26N92 and 27N92, ca. 0.5 mile east of Long Valley Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC16135  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4476 Plumas North side of 27N92, ca. 2 air miles southeast of Canyon Dam. 1553 Comment
  CAS-BOT-BC16136  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4479 Plumas Both sides of road 27N92, near Goldstripe Mine, ca. 2.25 miles southeast of Canyon Dam. 1584 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  CHSC63450  Boechera pinetorum Lowell Ahart 1994-7-22 7493 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC67191  Boechera pinetorum James D. Jokerst 1987-5-28 2885 Plumas Ward Creek Canyon on edge SW of creek. 1463 Comment
  CHSC89292  Boechera pinetorum G. Douglas Barbe; T. C. Fuller 1982-7-15 3747 Plumas Sierra Nevada. Road cut, 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  CHSC91949  Boechera pinetorum Lowell Ahart; Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS106218  Boechera pinetorum Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10995 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC14261  Boechera pinetorum Alice Eastwood 1927-6-27 14891 Plumas United States Forest Reserve. On road from Chilcott. Comment
  CAS-BOT-BC14663  Boechera rectissima A. A. Heller; P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  CHSC54318  Boechera rectissima Vernon H. Oswald; Lowell Ahart 1991-6-18 4678 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CAS-BOT-BC14659  Boechera rectissima John Thomas Howell; Harvey Keith Wagnon 1980-5-26 53603 Plumas Sierra Nevada. 10 miles east of Virgilia on road to Quincy. Comment
  CHSC41419  Boechera repanda Lowell Ahart 1986-7-1 5328 Plumas South of the logging road, 1/10 mile south of the West Branch of Hopkins Creek, about 3/4 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC25717  Boechera sparsiflora Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1967 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25880  Boechera subpinnatifida John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2440 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  CHSC88895  Boechera suffrutescens L. Hanson 1988-7-26 327 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  SD149172  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas South Fork of the Feather River, ca. 1.0 mile southwest of Pilot Peak, ca. 1.25 mile northeast of the Independent Mine, ca. 10 miles southwest of La Porte. 1830 Comment
  SD9250  Botrychium multifidum Mrs. R. M. Austin 1876-1 Plumas Comment
  CHSC90305  Boykinia major L. P. Janeway 1994-8-24 4747 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  JEPS102470  Brasenia schreberi Lowell Ahart 2001-10-16 9387 Plumas Round Valley Reservoir, plants collected near north shore and west of the dam, just below the road, about 2 1/2 miles SW of Greenville. 1365 Comment
  CAS-BOT-BC36773  Brassica rapa John Thomas Howell; Gordon H. True 1968-6-10 44540 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC106232  Brickellia californica John Thomas Howell 1959-9-21 34774 Plumas Dry rocky river bench, N. Fk. Feather River near Belden 701 Comment
  CHSC62421  Brickellia californica L. P. Janeway 1993-9-1 4575 Plumas Plumas National Forest. Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. 914 Comment
  CHSC115800  Brickellia greenei Lowell Ahart; John Deurloo 2015-8-25 20530 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
  CHSC30754  Brickellia greenei M. S. Taylor; W. Dakon, T. Griggs. 1980-9-27 3349 Plumas Ca. 1/4 mi S of Bucks Lake-Spanish Ranch Rd, ca 1/4 mi E of Frenchman Hill, ca 20 mi SW of Quincy. 1645 Comment
  CHSC34290  Brickellia greenei M. S. Taylor 1981-8-25 4243 Plumas N side of 26N22F - Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Beldon. 1615 Comment
  CAS-BOT-BC127710  Brickellia greenei John Thomas Howell 1974-9-20 50888 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  SEINET8716679 Image available Brodiaea ixioides Stanton A. Coor 1938-1 s.n. Plumas Plumas Co. Alt. 6300. Onion Valley. Comment
  SEINET3243476  Brodiaea multiflora Frank W. Gould 1938-1 450 Plumas Five miles north of Blairsden, Plumas County. 1372 Comment
  CDA17226  Bromus carinatus G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16329 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC149316  Bromus carinatus var. carinatus John Thomas Howell 1961-6-21 36602 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC149321  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-11 43375 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CHSC55637  Bromus carinatus var. carinatus K. R. Stern 1985-6-25 8223 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS113662  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
  UC1155623  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1947-5-16 H 10 Plumas Meadow View Ranger Station 2225 Comment
  CAS-BOT-BC148710  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35929 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  SBBG115956  Bromus carinatus var. marginatus C. B. Hardham 1970-8-9 17716 T Plumas rd to Thompson Pk Lookout 1981 Comment
  CHSC88194  Bromus ciliatus Lowell Ahart 2004-7-27 11314 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  UCD58433  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET10905498  Bromus commutatus L. Rose 1968-6-10 Rose 68087 Plumas Quincy meadow. 1036 Comment
  CAS-BOT-BC155797  Bromus diandrus John Thomas Howell 1967-6-23 s.n. Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  UCD59297  Bromus diandrus John Thomas Howell 1961-6-21 36670 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC155311  Bromus inermis Mary S. Clemens 1920-6-14 3 Plumas Greenville. Comment
  UCD20966  Bromus inermis E. Bortiri 2002-6-21 WFC 14 Plumas Rocky Point East, Ramelli Ranch , near Portola, Plumas Co. Comment
  CAS-BOT-BC155346  Bromus japonicus John Thomas Howell 1977-6-24 52417 Plumas Sierra Nevada. Near confluence of Spanish and Indian Creeks. 929 Comment
  CAS-BOT-BC155326  Bromus laevipes s.n. Plumas Sierra Valley. Comment
  RSA201354  Bromus marginatus J. T. Howell 1960-7-20 35760 Plumas Boiling Springs Lake 1799 Comment
  CHSC102065  Bromus orcuttianus Lowell Ahart; John Dittes 2009-7-15 16092 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  SBBG115913  Bromus orcuttianus J. T. Howell 1975-7-22 51363 Plumas ca. 2 mi NW of Spring Garden 1173 Comment
  UCD59258  Bromus orcuttianus G. L. Stebbins Jr. 1939-7-7 2914 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Comment
  UC1137637  Bromus secalinus R. W. Saarni 1939-6-15 114 Plumas 1/4 mi e of Rock Creek juction near: Spanish Creek 1097 Comment
  CHSC102382  Bromus suksdorfii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16130 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
  JEPS106344  Bromus suksdorfii Lowell Ahart 2004-7-27 11320 Plumas On the west side of the dirt road (Forest Road 10), near the Pacific Crest Trail, on Bunker Hill Ridge, about 1 1/8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2099 Comment
  UCD59952  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas West side of Lake Almanor. 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
  CHSC107907  Bromus vulgaris L. P. Janeway 2011-8-23 10669 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.7 road km east of Road 22N60; 2.4 air km east-northeast of the northeast corner of Little Grassy Valley Reservoir. Small grassy openings in north-facing slopes. 1719 Comment
  CHSC65876  Calamagrostis canadensis L. P. Janeway 1995-10-11 4941 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground on east side of Gold Lake Hwy opposite the entrance to the campground. Meadow drainage. 1923 Comment
  CHSC96057  Calamagrostis canadensis L. P. Janeway; B. Castro 2006-9-9 8884 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). Broad flat meadow informally named Sheeba's Meadow. 1969 Comment
  CAS-BOT-BC438483  Calandrinia ciliata John Thomas Howell 1951-6-28 27668 Plumas Jamison Creek 1584 Comment
  CAS-BOT-BC438485  Calandrinia ciliata John Thomas Howell; Gordon H. True 1967-6-11 42577 Plumas At Quincy. 1036 Comment
  CHSC110876  Calliscirpus brachythrix Tim Hanson 2013-6-20 2 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1416 Comment
  CAS-BOT-BC487769  Calochortus coeruleus Lewis S. Rose 1963-6-3 63104 Plumas Butterfly Valley, 2 miles SW of Keddie 1188 Comment
  CDA14704  Calochortus leichtlinii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  UC570206  Calochortus leichtlinii E. Sawyer 1935-6-4 70 Plumas 3.25 mi se Beckwith Butte 1584 Comment
  CAS-BOT-BC490275  Calochortus leichtlinii Lowell Ahart 1979-7-18 s.n. Plumas 1 mi W of Pilot Pk., S of Onion Valley Re. 1800 Comment
  SEINET10469591  Calochortus leichtlinii Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3871 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CAS-BOT-BC483479  Calochortus minimus A. A. Heller 1915-7-7 12066 Plumas Near the summit of Soapstone Ridge, 12 miles west of Bucks in the Sierra Nevada 1676 Comment
  RSA125133  Calochortus monophyllus E. F. Sprague 1957-5-30 0 .229 Plumas 10 miles southwest of Viola on Manton Road 610 Comment
  UC648402  Calochortus nudus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1740 Plumas below Humboldt Summit (on road between Jonesville and Lake Almanor) Comment
  CAS-BOT-BC493424  Calochortus nudus Lewis S. Rose 1963-6-3 63111 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC175767  Caltha leptosepala John Thomas Howell 1951-6-28 27701 Plumas Eureka Peak 1981 Comment
  UC337226  Calycadenia truncata unknown 1874-6-1 Plumas Indian Valley Comment
  CAS-BOT-BC90964  Calycanthus occidentalis John Thomas Howell 1951-8-19 28172 Plumas Sierra Nevada. 3 miles east of Rich Bar. 853 Comment
  CHSC82494  Calyptridium monospermum Lowell Ahart 2002-6-26 9777 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
  CHSC95009  Calyptridium monospermum Lowell Ahart 2006-10-23 13495 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  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
  UCD126111  Calystegia malacophylla Matt Georgeff 1992-5-17 16 Plumas Snake Lake Campgrounfd, 15 miles W of Quincy. Comment
  JEPS109989  Calystegia occidentalis subsp. tomentella Dean W. Taylor 2006-6-29 19557 Plumas Keddie Ridge; meadow just E of Second Water Trough (ca. 1 mile W of Hauns Meadow along County Road 201) 975 Comment
  UC879382  Calystegia occidentalis var. tomentella Lewis S. Rose 1939-6-8 39259 Plumas 12 mi ne Belden (Breyes Flat, Feather River); Feather River, Breyes Flat, ne of Belden 975 Comment
  UCSB13456  Camassia leichtlinii 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  SBBG30574  Camassia leichtlinii subsp. suksdorfii D. Myrick 1968-6-18 1937 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CHSC2247  Camassia quamash subsp. breviflora A. Stone 1937-6-15 Plumas East of Quincy. 1036 Comment
  JEPS61552  Camassia quamash subsp. breviflora Joseph Grinnell 1927-5-18 Plumas 6 mi from Chester 1310 Comment
  JEPS61548  Camassia quamash subsp. quamash W. L. Jepson 1927-6-23 12317 Plumas near Rice Creek (e of Mill Creek and Morgan, near point called Feather River Meadows) Comment
  CAS-BOT-BC160892  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1951-7-29 18 Plumas Hwy. 24 between Portola and Beckwourth Comment
  SEINET10973112  Camissonia tanacetifolia subsp. tanacetifolia Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3890 Plumas T24N R14E sw sec 7, Crocker Mt quad. Jct of Genesee-Beckwourth Rd and private ranch rd, just W of Clover Valley Ranch, ca. 11 air mi NW of Beckwourth; elevation ca. 5400 ft. 1646 Comment
  SEINET10463049  Campanula prenanthoides Wheeler WHEELER s.n. Plumas CASCADE Comment
  SEINET10463210  Campanula prenanthoides Rose 1966-7-26 Rose 66059 Plumas Butterfly Valley, 3 mi W of Keddie, dry open woods 3500'. Comment
  SEINET10939003  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas Beside small steam on ridge between Onion Creek and Middle Fork of the Feather River Comment
  CAS-BOT-BC37240  Cardamine breweri John Thomas Howell 1960-7-21 35855 Plumas Lassen Volcanic National Park. Northwest of Willow Lake. 1676 Comment
  CHSC91796  Cardamine nuttallii G. Douglas Barbe; T. C. Fuller 1982-7-16 3754 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beadsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  JEPS96799  Cardamine nuttallii Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15946 Plumas Wolf Creek north of Greenville; along Highway 89; Plumas National Forest 1097 Comment
  CHSC87635  Cardamine nuttallii var. covilleana Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10930 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy. 1955 Comment
  UC117813  Cardamine nuttallii var. covilleana Mrs. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC37855  Cardamine oligosperma Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville. Comment
  JEPS96902  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  CAS-BOT-BC38091  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Sierra Nevada. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC38098  Cardamine pachystigma M. S. Taylor 1982-5-13 4441 Plumas Ca. 500 yards south of Spanish Creek-Bucks Lake Road at its junction with Deans Valley Road (24N29). 1158 Comment
  CHSC48319  Cardamine pensylvanica Vernon Oswald 1985-5-26 1779 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Along the creek. Comment
  CAS-BOT-BC18352  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54183 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  CAS-BOT-BC18354  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54339 Plumas Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road. 1341 Comment
  CHSC55562  Carex abrupta L. P. Janeway 1990-7-11 3790 Plumas Plumas National Forest. About 1/4 mi east of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. Southerly finger of meadows along Little Grizzly Creek. 1775 Comment
  SEINET4292244 Image available Carex abrupta L. Ahart, Dittes, J; Guardino, J; Schlising, R 2004-1 11172 Plumas 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)ortheast of Quincy. Red Fir Forest. Comment
  CAS-BOT-BC18590  Carex abrupta Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 mile south of Qunicy, on road to La Porte. 1981 Comment
  HSC93577  Carex amplifolia G. Fred Hrusa, T. D. Wilfred 1996-7-22 13392 Plumas Little Long Valley Creek, ~1/2 mi. N of Hwy. 70, about 15 mi. E of Quincy 1500 Comment
  CAS-BOT-BC17835  Carex amplifolia W. I. Follett 1943-8-9 s.n. Plumas Rich Gulch. 883 Comment
  CAS-BOT-BC17836  Carex amplifolia L. P. Janeway 1991-7-4 4118 Plumas Plumas National Forest. Beckwourth Ranger Distrcit. Mt. Ingalls Compartment. 1691 Comment
  CAS-BOT-BC17939  Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CHSC92303  Carex angustata Lowell Ahart; Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  UC942946  Carex angustata Lewis S. Rose 1951-6-28 51028 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CHSC43522  Carex athrostachya Lowell Ahart 1977-8-8 1542 Plumas Near the pond in Onion Valley, about 1 mile west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC58522  Carex athrostachya Vernon H. Oswald; Lowell Ahart 1992-7-9 5098 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  CAS-BOT-BC19740  Carex athrostachya W. Harnach; N. Harnach 1991-6-17 552 Plumas Sierra Valley. 0.75 mile west of Steel Bridge on Marble Lane. 1485 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
  UCD140125  Carex aurea John Thomas Howell 1960-7-18 35508 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC19528  Carex bolanderi Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1491 Plumas Butterfly Botanical Area and Vicinity. Fern Glen along roadside. 1097 Comment
  CHSC97288  Carex bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14457 Plumas About 10 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
  RSA770097  Carex bolanderi L. P. Janeway, B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  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-BC19632  Carex brainerdii John Thomas Howell 1926-7-23 2097 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC19634  Carex brainerdii John Thomas Howell 1951-6-28 27714 Plumas Eureka Peak. 2255 Comment
  CHSC94117  Carex brainerdii Lowell Ahart 2006-7-3 12901 Plumas Near the southwest edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  RSA754531  Carex brainerdii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15861 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SD130960  Carex brainerdii John Thomas Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada; Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  SEINET7552663 Image available Carex brainerdii David Castaner 1989-6-18 10222 Plumas West of Lake Almano. Along highway 89. Two miles east of Tehama county line Comment
  SEINET7553523 Image available Carex canescens L. P. Janeway 2003-7-9 7904 Plumas High Cascade Range. South edge of marsh at southeast end of Willow Lake. Mt. Harkness 7.5' quad. 1656 Comment
  CAS-BOT-BC34407  Carex cusickii John Thomas Howell 1967-6-23 42711 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC85982  Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas High Cascade Range. Along the edges of bog on south side of Willow Lake. 1656 Comment
  UCR123513  Carex douglasii George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6874 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  SBBG30567  Carex echinata D. Myrick 1968-6-18 1939 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC19866  Carex echinata subsp. echinata Brink; Mayer 1975-7-3 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  POM313081  Carex echinata subsp. echinata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1449 Plumas Butterfly Valley. Comment
  CAS-BOT-BC20113  Carex feta John Thomas Howell 1973-7-10 49740 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  CHSC53522  Carex feta Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  CAS-BOT-BC20697  Carex fracta John Thomas Howell 1951-6-28 27649 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CAS-BOT-BC32026  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Mt. Ingalls quad, NE side of Grizzly Ridge between Joseph Creek and Cascade Creek, 1897 Comment
  SEINET10652727  Carex geyeri Lawrence P. Janeway 1990-8-16 Janeway 3831 Plumas Babcock Peak Quad, T25N, R12E, N 1/4 of SW 1/4 of Sec 23. Ca. 0.2 mile north of Meadow Creek and ca. half-way between Red Clover Creek and Mount Ingalls. White Fir Forest with Jeffrey Pine, Red Fir, Incense Cedar: gentle north-facing slope; rocky volcanic soil; in small openings and partial shade; in open with C. Rossii, C. brainerdii; in shade with Symphoricarpus acutua; often with Ceanothus velutinus, C. prostratus, Arctostaphylos patula. 2012 Comment
  CHSC100040  Carex heteroneura Lowell Ahart 2008-7-16 15092 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1778640  Carex heteroneura G. Douglas Barbe, T. C. Fuller 1982-6-16 3790 Plumas Plumas National Forest. Meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  UCD140424  Carex heteroneura G. F. Hrusa; T. D. Wilfred 1996-8-1 13452 Plumas Brady's Camp. Pine Creek Valley, ca. 1/2 mile NE Argentine Rock. Comment
  CHSC92289  Carex heteroneura var. heteroneura Lowell Ahart; Josephine Guardino 2005-8-10 12320 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS117696  Carex hoodii Lowell Ahart 2010-10-21 17303 Plumas Open dry meadow, 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
  RSA97925  Carex integra J. T. Howell 1951-6-27 27591 A Plumas McRae Meadow. 1982 Comment
  CHSC55558  Carex jonesii L. P. Janeway 1990-7-3 3761 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 3/4 mi south of Little Grizzly Creek. 1905 Comment
  CAS-BOT-BC35787  Carex jonesii George Wilson Gillett 1957-7-19 852 Plumas Lassen Volcanic National Park; near trail above the Devils Kitchen, just beyond very large spring 2057 Comment
  CAS-BOT-BC7581  Carex lasiocarpa V. Oswald; Lowell Ahart 1988-8-4 3679 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. On the NE side of the lake. 1676 Comment
  CHSC110175  Carex lasiocarpa Peter F. Zika; Barbara Wilson, J. Belsher-Howe 2011-8-2 25700 Plumas SW end of Pond Reservoir on Butterfly Creek, Butterfly Valley, northern Sierra Nevada Highlands (n SNH). 1165 Comment
  CAS-BOT-BC31150  Carex lemmonii Lowell Ahart 1966-6-18 1346 Plumas In a bog 100 m east of Ohio Ravine. 518 Comment
  SJSU4627  Carex lemmonii C. W. Sharsmith 1969-6-19 7598 Plumas Butterfly Valley, c. 3 mi SW of Keddie 1066 Comment
  SEINET7485361 Image available Carex lemmonii John Thomas Howell 1960-1 35946 Plumas Drakesbad 1676 Comment
  CDA14003  Carex lenticularis G. F. Hrusa, T. D. Wilfred 1997-6-26 13920 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  HSC95568  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas 150 yds. S of the road, 3/4 mi. W of Lumpkin Ridge Rd., 1 mi. SE of Tamarack Flat, 2 mi. NW of Little Grass Valley Reservoir dam, 5 mi. NW of La Porte 1731 Comment
  CAS-BOT-BC31572  Carex luzulifolia Robert J. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2103 Comment
  CHSC57104  Carex luzulina L. P. Janeway 1991-7-23 4097 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  JEPS120163  Carex luzulina Lowell Ahart 2012-9-5 18445 Plumas Along the south side of the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. Comment
  SEINET10711246  Carex mariposana John Thomas Howell 1981-6-25 Howell 54343 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CAS-BOT-BC32031  Carex multicaulis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville Comment
  CAS-BOT-BC320475  Carex multicaulis Peter F. Zika 2012-5-15 25866 Plumas Above Route 70, 3 air km NW of Grizzly Dome, canyon of North Fork Feather River, northern Sierra Nevada Highlands (n SNH) 520 Comment
  CHSC68377  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 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
  CHSC35945  Carex nebrascensis M. S. Taylor 1982-6-14 4658 Plumas In wet Pioneery Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 1536 Comment
  CHSC47006  Carex nebrascensis L. P. Janeway 1989-7-21 3512 Plumas Plumas National Forest. 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
  JEPS63506  Carex nebrascensis W. L. Jepson 1939-8-14 19412 Plumas Willow Creek 1828 Comment
  CDA17789  Carex nebrascensis G. D. Barbe, T. C. Fuller 1982-6-17 3860 Plumas Frenchman Lake Region; 2 miles N of Turkey Point Fishing Access; shore of N arm of the lake. 0 Comment
  CHSC116389  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-12 70 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  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
  CDA33122  Carex nudata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3313 Plumas 2.8 miles north-northeast of the Engle Mine town-site on the Diamond Mountain Road, between the road and Lights Creek. Comment
  CHSC112125  Carex pellita L. P. Janeway 2014-7-16 11548 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  CHSC87128  Carex rossii L. P. Janeway 2001-6-15 7180 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  CAS-BOT-BC118129  Carex rossii John Thomas Howell 1960-7-21 35832 Plumas Meadowy forest floor NW of Willow Lake. 1706 Comment
  CAS-BOT-BC118140  Carex rossii L. P. Janeway 1990-7-3 3758 Plumas Mt. Ingalls quad. Ca 100 m W of Paradise Creek, ca 2/3 mi S of Little Grizzly Creek. 1874 Comment
  CHSC67399  Carex scabriuscula James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2551 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch. Comment
  CAS-BOT-BC117518  Carex sheldonii Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-19 1417 Plumas Marshy area ca 2 mi S of Greenville, Indian Valley. Comment
  CHSC60503  Carex sheldonii L. P. Janeway 1992-6-4 4218 Plumas Plumas National Forest. Small pond at far edge of gravel bar along northeast side of Middle Fork Feather River at mouth of Bonta Creek; below the Mohawk Ranger Station. 1316 Comment
  CAS-BOT-BC117369  Carex stipata var. stipata John Thomas Howell 1962-6-17 37654 Plumas Butterfly Valley. 1036 Comment
  CHSC97292  Carex straminiformis Lowell Ahart; John Dittes 2007-8-9 14442 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  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
  CAS-BOT-BC115988  Carex subfusca George Wilson Gillett 1957-7-19 849 Plumas Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  SEINET7577155 Image available Carex subfusca John Thomas Howell, T. C. Fuller; G. D. Barbe 1981-6-24 54237 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy. 1646 Comment
  SEINET7577194 Image available Carex subfusca David Castaner 1984-5-28 8055 Plumas 1.8 miles west of Greenhorn Creek. Along highway 70. Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  CHSC45754  Carex utriculata L. P. Janeway 1984-7-13 907 Plumas Mdw near Grizzly Cr FS Campground, SW of Bucks Lake. 1584 Comment
  JEPS107717  Carex utriculata Lowell Ahart, John Dittes 2005-9-20 12446 Plumas In the center of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CAS-BOT-BC115150  Carex vesicaria G. Schoolcraft 1997-8-5 2636 Plumas Lake E of Hay Meadow/Caibou Wilderness. 1908 Comment
  SEINET11634920  Carex vesicaria Unknown 1985-1 5124 Plumas Little Grass Valley Res., where South Fork of Feather Riv. flows into lake, ca 4.5 mi NE of La Porte 1585 Comment
  CDA13385  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13234 Plumas Sierra Nevada; Near summit above headwaters of Bull Run Creek off USFS 23N12E. Comment
  UCD140982  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CAS-BOT-BC114939  Carex whitneyi Mrs. H. C. Cantelow 1938-7-4 2278 Plumas Meadow at Drakesbad. Comment
  CHSC21713  Castilleja F. T. Griggs; A. Pass 1975-7-8 111 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC249711  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CAS-BOT-BC249726  Castilleja applegatei subsp. pinetorum F. Thos. Griggs 1975-1-1 227 Plumas Bucks Lake Area Comment
  CAS-BOT-BC249746  Castilleja applegatei subsp. pinetorum John Thomas Howell 1961-6-21 36640 Plumas Greenville 1097 Comment
  CAS-BOT-BC249752  Castilleja applegatei subsp. pinetorum Mary E. Wall 1939-6-25 s.n. Plumas Brush Cr. ranger station Comment
  CHSC55412  Castilleja applegatei subsp. pinetorum Ben Cunningham 1991-4-20 12 Plumas Ca 0.7 mi south of De Sabla and 30 ft west of Highway 70, 36 mi south of Greenville. 609 Comment
  CHSC97161  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS3890  Castilleja applegatei subsp. pinetorum R. H. Platt 1891-1 Plumas Prattville The Sierras Comment
  JEPS81463  Castilleja applegatei subsp. pinetorum M. S. Taylor and H. Swanson 1982-8-11 4966 Plumas ca 5 mi sw Johnsville (on ridge between Florentine Canyon and Spencer Lakes); Sierra City NW Quad. 2133 Comment
  UC1031229  Castilleja applegatei subsp. pinetorum A. Lewis 1934-6-12 479 Plumas Little Grass Valley; Plumas National Forest, Downieville Quad. 1524 Comment
  CHSC82129  Castilleja arachnoidea L. P. Janeway; B. Castro 2001-6-22 7370 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  UC942951  Castilleja arachnoidea Lewis S. Rose 1951-6-28 51050 Plumas n of Johnsville (above Eureka Lake) 2072 Comment
  SBBG25803  Castilleja campestris K. K. Muller 1965-8-19 1368 Plumas St Hwy 89, 5 mi NW of Almanor Post Office Comment
  UC886450  Castilleja campestris subsp. campestris Mrs. A. L. Coombs 1906-1 Plumas Prattville Comment
  JEPS62839  Castilleja campestris subsp. campestris John Weiler 1970-7-2 70178 Plumas 5.8 mi n Highway 49 (w of Loyalton, along Harriet Lane) 1524 Comment
  CHSC80275  Castilleja lacera L. P. Janeway 1996-6-5 5002 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 1488 Comment
  CHSC97601  Castilleja lacera Lowell Ahart; John Dittes 2007-6-16 14136 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA726359  Castilleja lacera L. Ahart, John Dittes 2007-6-16 14136 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CHSC75543  Castilleja linariifolia G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3117 Plumas At northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC253999  Castilleja miniata Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC254052  Castilleja miniata Clare B. Hardham 1978-8-11 21786 Plumas About 5 miles southeast of Thompson Peak. Plants of the Sierra Nevada Comment
  CAS-BOT-BC254062  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley. Comment
  JEPS9765  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas 2 mi from Spanish Peak summit (halfway between Meadow Valley and Buck's Valley, lower slopes of Spanish Peak); Spanish Peak 2042 Comment
  RSA296389  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas Spanish Peak (2 miles from summit). 2043 Comment
  UC1063336  Castilleja miniata C. G. Albertus 1935-7-27 234 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  CHSC62586  Castilleja miniata subsp. miniata B. Castro; L. P. Janeway 1987-7-17 138 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  RSA71298  Castilleja payneae L. S. Rose 1951-6-28 51050 Plumas Above Eureka Lake, north of Johnsville 2073 Comment
  SD46681  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake Boathouse, Lake Basin area 1981 Comment
  UC1075647  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas trail to Long Lake Boathouse; Lakes Basin Area 1981 Comment
  UC1094746  Castilleja pilosa Francia Chisaki 1956-5-31 895 Plumas 1.3 mi s Sattley road junction with Highway 40 Alt. (on road to Sattley, s of Beckwourth); Sierra Valley Comment
  SEINET14164078  Castilleja pilosa var. pilosa A. A. Heller, P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley. Comment
  JEPS106309  Castilleja tenuis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11052 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  JEPS124031  Castilleja tenuis Lowell Ahart 2015-7-4 20275 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
  UC174716  Castilleja tenuis A. A. Heller and P. B. Kennedy 1907-7-6 8757 Plumas Red Clover Valley Comment
  SJSU14297  Castilleja tenuis N. A. Hopkins 1989-6-7 1516 Plumas Squaw Valley 1706 Comment
  UCD20964  Castilleja tenuis E. Bortiri 2002-6-21 WFC 12 Plumas Rocky Point East, Ramelli Ranch , near Portola. 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-BC49031  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54297 Plumas Sierra Nevada - East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC49224  Ceanothus cuneatus L. P. Janeway 1997-5-15 5133 Plumas Hwy 70/89 at Rattlesnake Creek. Mt Ingalls quad 1310 Comment
  CAS-BOT-BC49063  Ceanothus cuneatus Clarence R. Quick 1963-8-26 63 -102 Plumas Near Cottonwood Meadow, southwest of Humbug Valley Comment
  CDA18699  Ceanothus cuneatus var. cuneatus G. D. Barbe, T. C. Fuller 1982-6-15 3706 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
  CAS-BOT-BC50773  Ceanothus integerrimus Lewis S. Rose 1966-7-27 66064 Plumas Butterfly Creek & Spanish Creek, 1 mi. s. of Keddie 990 Comment
  CAS-BOT-BC63372  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  CAS-BOT-BC63374  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  RSA39768  Ceanothus prostratus P. A. Munz 1947-5-16 11840 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA609441  Ceanothus prostratus Louis C. Wheeler 1958-7-30 7352 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC338135  Ceanothus prostratus unknown 1889-5 Plumas Sierra and Plumas Co. Comment
  CAS-BOT-BC63192  Ceanothus velutinus var. velutinus Lowell Ahart 1989-7-2 6345 Plumas On the nw. side of Pilot Peak, about 10 mi. ne. of La Porte. 2194 Comment
  CDA43038  Centaurea diffusa Willo Vieira 2014-8-2 PDR# 320 P06131672 Plumas Whilhoitte Road, Chester. 0 Comment
  CHSC80800  Centaurea stoebe subsp. micranthos Lowell Ahart; Vernon H. Oswald 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
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Aug 21 2017
  CAS-BOT-BC384932  Cerastium arvense L. P. Janeway 1991-5-9 3927 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek 655 Comment
  CAS-BOT-BC388354  Cerastium glomeratum J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 B Plumas Butterfly Botanical Area and Vicinity. Flat near Pond Reservoir 1097 Comment
  CHSC74005  Chamaesaracha nana B. Castro; L. Gehrung 1998-9-29 845 Plumas Ca 4.5 air mi NE of Little Grass Valley Reservoir, on ridge system west of Pilot Peak, on S side of USFS Rd 22N60. On S edge of ridgetop, ca 50 ft S of the Pacific Crest Trail. 1993 Comment
  SEINET10453902  Chamaesyce serpillifolia Mary Susan Taylor 1982-8-27 Taylor 5065 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
  CAS-BOT-BC165972  Chamerion angustifolium Janet Jones 1980-7-14 202 Plumas By roadsides and trails around Layman near Blairsden, Plumas National Forest 1280 Comment
  UC1242065  Cheilanthes gracillima Don Branscomb 1958-7-19 Plumas ne of Lake Basin Recreation Area; Eureka Peak area Comment
  RSA88569  Chenopodium berlandieri var. zschackei J. T. Howell 1951-8-19 28179 Plumas Greenville. 1098 Comment
  RSA718514  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CAS-BOT-BC494114  Chenopodium desiccatum W. Harnach; N. Harnach 2000-8-2 972 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  UC1422541  Chenopodium simplex Lowell Ahart 1977-7-26 Plumas 1/2 mi below Bunker Hill Mine (mine is about 10 mi ne of La Porte) 2000 Comment
  CAS-BOT-BC451418  Chimaphila menziesii Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC56577  Chimaphila menziesii L. P. Janeway 1984-7-13 917 Plumas Near Grizzly Creek Campground (southwest of Bucks Lake). 1584 Comment
  JEPS48509  Chimaphila menziesii Mrs. Esther C. Fritz 1933-7-14 Plumas Camp Califorest near Meadow Valley (above cookhouse & about camp) 1188 Comment
  CAS-BOT-BC452242  Chimaphila umbellata H. L. Mason 1924-6-18 1054 Plumas Road between Graeagle and Gold Lake Comment
  CDA17267  Chimaphila umbellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16294 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  CHSC63458  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UC1075670  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Quincy, Gansner Creek 1219 Comment
  UC1120953  Chimaphila umbellata E. Nourse 1934-9-4 21 Plumas 3/4 mi. s. & 1 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  UC1135223  Chrysolepis sempervirens G. T. Nordstrom 1934-7-3 185 Plumas 1.25 mi sw Mt. Ararat; Plumas National Forest 1645 Comment
  SEINET7450660 Image available Chrysopsis villosa var. minor M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 70 -3 Plumas East side of Frenchman's Reservoir. 1707 Comment
  RSA60129  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1220 Comment
  UCD147788  Chrysothamnus viscidiflorus subsp. puberulus Allyson Ayalon; Lucie Jerabkova 2012-8-1 141 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC100818  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1961-9-25 36963 Plumas Portola 1478 Comment
  UC170987  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  JEPS113706  Circaea alpina subsp. pacifica Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14473 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
  RSA52865  Circaea alpina subsp. pacifica R. Weatherby 1950-7-7 1451 Plumas Gansner Creek, Quincy. 1220 Comment
  SEINET10841114  Circaea alpina subsp. pacifica Mary Susan Taylor 1981-7-13 Taylor 3999 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  CAS-BOT-BC289617  Cirsium andersonii John Thomas Howell; Gordon H. True 1973-7-31 50129 Plumas On road from Janesville to Thompson Peak, Diamond Range, Sierra Nevada 1981 Comment
  JEPS107724  Cirsium andersonii Lowell Ahart, John Dittes 2005-9-20 12432 Plumas The northwest side of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 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-BC278026  Cirsium cymosum John Thomas Howell 1955-7-19 30812 Plumas Portola 1478 Comment
  CAS-BOT-BC279953  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35987 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279955  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35984 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285540  Cirsium occidentale var. candidissimum Emily McPherson 1976-11-7 76- 32 -3 Plumas 5 miles north of Beckwourth 2055 Comment
  UC1276070  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas 7.3 mi s Vinton (Loyalton-Vinton Rd. just n of co. line) Comment
  CAS-BOT-BC286363  Cirsium scariosum H. E. Brown 1897-8-1 623 Plumas Near Lassen Buttes 1828 Comment
  JEPS59251  Cirsium scariosum O. E. Mack 1923-7-9 Plumas Chester Comment
  UCD130694  Cirsium scariosum var. americanum R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CAS-BOT-BC228918  Cistanthe umbellata Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent Mills Comment
  CAS-BOT-BC162585  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54380 Plumas 0.75 miles northeast of Bucks Summit on the road to Quincy - Sierra Nevada 1600 Comment
  CAS-BOT-BC162583  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54256 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1798 Comment
  CAS-BOT-BC163272  Clarkia mildrediae subsp. mildrediae Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  LA40266  Clarkia mildrediae subsp. mildrediae June 1958 248- 57 1 Plumas Feather River and Shasta Lake Comment
  CAS-BOT-BC163854  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CDA15372  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  RSA108408  Clarkia rhomboidea Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 747 Plumas Highway 24, 2.65 mi. S of Yellow Creek Bridge on Feather River. 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
  CAS-BOT-BC165393  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC87120  Clarkia stellata L. P. Janeway 2001-6-15 7179 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  NY1085602  Clarkia stellata A. A. Heller 1907-7-9 8778 Plumas Prattville Comment
  SEINET10689280  Clarkia stellata Nancy R. Morin Morin 275 Plumas Campground, vicinity of Greenville. Comment
  CAS-BOT-BC439100  Claytonia cordifolia W. D. Dakan 1977-6-8 s.n. Plumas Plumas National Forest. Gansner Ravine 1158 Comment
  CHSC114318  Claytonia lanceolata G. D. Barbe; T. C. Fuller 1982-6-17 3803 Plumas Lakes Basin Campground, 7.5 mi S of Hwy 89. 1950 Comment
  JEPS100225  Claytonia lanceolata Dean W. Taylor 2002-7-3 18220 Plumas Forest Road 22N27 ca. 0.5 miles west from junction Forest Road 22N29 (ca. 1 air mile NW of Little Grass Valley dam) 1706 Comment
  SEINET10929032  Claytonia lanceolata Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4198 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
  JEPS46145  Claytonia palustris Duncan Dunning 1923-6-2 Plumas 4 mi nw Quincy; Snake Lake 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
  UCD69665  Claytonia perfoliata Ernie Bell 1982-5-23 27 Plumas Southwest end of Snake Lake, approximately 10 miles southwest of Quincy. 1219 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
  CDA19235  Collinsia parviflora G. D. Barbe, T. C. Fuller 1982-6-17 3829 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC76071  Collinsia parviflora G. F. Hrusa 1997-5-30 13832 Plumas Sierra Nevada. On E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1340 Comment
  CHSC87623  Collinsia rattanii Lowell Ahart; Josephine Guardino 2004-5-24 10947 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  CDA11854  Collinsia tinctoria G. F. Hrusa, E. Sandoval 1993-5-29 11134 Plumas Corner of Hwy 70 and Pulga Rd. at bridge over Feather River. Comment
  CHSC52536  Collinsia torreyi var. torreyi L. P. Janeway 1990-6-12 3713 A Plumas Rattlesnake Creek, just N of Long Valley; along road 508 ca 1.1 mi N of Hwy 70/89. Plumas National Forest. 1432 Comment
  CHSC116161  Collomia grandiflora Lowell Ahart 2015-7-4 20284 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1731 Comment
  CHSC20854  Collomia grandiflora K. R. Stern 1975-7-24 5810 Plumas SE shore of Lake Almanor. 1371 Comment
  JEPS70998  Collomia grandiflora W. L. Jepson 1939-8-8 19353 Plumas Meadow Valley 1158 Comment
  RSA59239  Collomia grandiflora E. K. Balls 1950-8-31 15527 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1098 Comment
  UCR123997  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2001-7-6 6855 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CDA40000  Collomia grandiflora H. S. Schierenberg 1951-7-27 s.n. Plumas Chester. 0 Comment
  SDSU3027  Collomia grandiflora R. M. Beauchamp 1965-7-17 Plumas 1/2 mile north of Chester, Ca. Comment
  CDA15908  Collomia tinctoria B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  CHSC44314  Collomia tinctoria Lowell Ahart 1977-6-20 1431 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  CHSC63261  Collomia tinctoria Lowell Ahart 1994-6-15 7327 Plumas On the west side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  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
  JEPS96024  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-8-14 8159 Plumas ca. 2 mi. (air) n.w. of Meadow Valley (on the Oroville-Quincy Hwy.) (rd. paralleling Spanish Creek near Greens Flat); northern High Sierra Nevada 1127 Comment
  RSA755468  Collomia tinctoria L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15852 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  UCR161005  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-17 3828 Plumas S shore of Frenchman Reservoir (Lake), 0.4 mi east of Frenchman Dam 1707 Comment
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 Comment
  CAS-BOT-BC216017  Convolvulus John Thomas Howell 1955-7-20 30864 Plumas Mohawk, Sierra Nevada 1371 Comment
  CAS-BOT-BC286171  Conyza canadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1457 Plumas Butterfly Botanical Area and vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  SEINET10470001  Corallorhiza maculata Mary Susan Taylor 1982-7-14 Taylor 4828 Plumas T26N R9E se/nw sec 29. Greenville SW quad. N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. Mixed Evergreen Forest; 5000 ft. 1524 Comment
  CHSC97280  Cordylanthus tenuis subsp. tenuis Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14468 Plumas About 60 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
  JEPS107608  Cordylanthus tenuis subsp. tenuis Lowell Ahart, Josephine Guardino 2005-8-10 12300 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  SEINET10832350  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-8-25 Taylor 4240 Plumas California: T25N R7E se1/4 of se1/4 sec 3. Almanor SW quad. Serpentine knoll, just off spur road off Red Hill Road (26N22F), ca. 1 air mi NE of the Lookout, ca. 5 air mi NE of Belden. Plumas County. 5800 ft. 1768 Comment
  JEPS7000  Cordylanthus tenuis subsp. tenuis Rimo Bacigalupi and J. R. Sweeney 1953-8-31 4325 Plumas 4 mi n Quincy (near junction of road to Oakland Municipal Camp and Calif. Hwy 24) Comment
  RSA40419  Cordylanthus tenuis subsp. tenuis P. A. Munz 1948-8-12 12342 Plumas Forest Lodge, Greenville. 1128 Comment
  CAS-BOT-BC209429  Cornus nuttallii Walter Knight; Irja Knight 1967-5-22 1813 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  CHSC21092  Cornus nuttallii F. T. Griggs; A. Pass 1975-7-2 30 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  POM77896  Cornus nuttallii Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. On the Big Divide. 1829 Comment
  CAS-BOT-BC210311  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  UC1122817  Cornus sericea subsp. sericea C. G. Albertus 1935-7-23 229 Plumas 1 1/4 mi. s.e. Spring Garden Ranch; Plumas Nat'l Forest, Downieville Quad. Comment
  CHSC81364  Cornus sessilis L. P. Janeway 1996-4-23 4958 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  SEINET5339208  Corydalis aurea M. J. Williams 1966-7-14 s.n. Plumas Spring Creek, Diamond Mt. 1859 Comment
  SD8286  Corydalis caseana Daniel Cleveland Jul 1882 Plumas Pratteville Comment
  CHSC76137  Corydalis caseana subsp. caseana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3339 Plumas 0.75 miles east of Bucks summit on Bucks Lake Road. 1600 Comment
  CAS-BOT-BC401870  Corydalis caseana subsp. caseana Marcus E. Jones 1897-7-9 s.n. Plumas On Road from Prattville to Chico, 13 miles down 1524 Comment
  CDA17294  Crepis acuminata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16322 Plumas Sierra Nevada; Willow Creek Rd. 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA755686  Crepis acuminata L. Ahart, John Dittes 2009-7-15 16098 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
  CAS-BOT-BC290450  Crepis acuminata Anna Head 1921-8-14 s.n. Plumas Gray Eagle Trail, Feather River Region Comment
  CAS-BOT-BC291561  Crepis intermedia A. A. Heller; P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  SEINET7837084 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  UC346537  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-23 181 Plumas along hwy about 2 or 3 mi e Meadow Valley (en route to Quincy) Comment
  UC581245  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2151 Plumas Beckwith Peak; e slope 1670 Comment
  CAS-BOT-BC291577  Crepis modocensis subsp. modocensis Gladys L. Smith 1976-6-7 4564 Plumas Balsamorhiza Flat 20 miles east of Quincy along Route 70, Sierra Nevada 1524 Comment
  CDA12086  Crepis occidentalis G. F. Hrusa, G. L. Webster 1989-5-1 7023 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  CDA13557  Crepis pleurocarpa G. F. Hrusa, T. D. Wilfred 1996-7-22 13384 Plumas Sierra Nevada; Plumas NF. Above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC77043  Crepis pleurocarpa L. P. Janeway 1996-8-13 5067 Plumas Ridge between Kingsbury Ravine and West Branch Salt Creek; above Twain and East Branch North Fork Feather River. Along dirt road and into forest. 1432 Comment
  UC581189  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-6 2209 Plumas 2 mi e Meadow Valley (on road to Quincy) 1150 Comment
  CHSC102966  Crypsis alopecuroides Lowell Ahart 2009-9-7 16391 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET4565720  Crypsis alopecuroides M. J. Williams, J. Howell, W. Follette 1977-8-11 77- 70 -2 Plumas East side of Frenchman's Reservoir 1707 Comment
  CAS-BOT-BC182416  Cryptantha John Thomas Howell; H. Keith Wagnon 1980-5-28 53699 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River 853 Comment
  CAS-BOT-BC189306  Cryptantha Clare B. Hardham 1975-8-2 20493 Plumas Black Mountain 2133 Comment
  CHSC100336  Cryptantha affinis Lowell Ahart 2008-7-9 15061 Plumas Near seeps, on the east side of the good logging road , about 100 yards south of a small stream, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  SEINET10497264  Cryptantha affinis Mary Susan Taylor 1982-6-21 Taylor 4711 Plumas T23N R11E sw/nw sec 19. Blue Nose Mt quad. Above small creek, ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 0.5 air mi nw of White Cap, ca. 3 air mi sw of Sloat. 5800 ft. 1768 Comment
  CHSC80808  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC43470  Cryptantha torreyana Lowell Ahart 1977-7-9 1453 Plumas Near a small meadow, near the South Fork of the Feather River, about 1/2 mile north of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  HSC3590  Cryptantha torreyana L. S. Rose 1967-7-11 67157 Plumas Mt. Hough Rd., 2 mi. NE of Quincy Jct. 1220 Comment
  POM72223  Cryptantha torreyana Marcus E. Jones 1897-7-3 6866 Plumas Prattville. 1372 Comment
  CAS-BOT-BC68033  Cryptogramma acrostichoides Anna Head 1921-7-3 s.n. Plumas Feather River Region - Lake Center Camp Comment
  CAS-BOT-BC80528  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1 1/2 mi. w. of Wheeler Peak 1996 Comment
  CHSC33925  Cupressus bakeri M. S. Taylor 1981-8-3 4151 Plumas Along drainage east of Mud Lake, ca. 0.6 mi ne of Eisenheimer Peak, ca. 10 air mi n of Genesee. 2042 Comment
  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
  UC1776801  Cuscuta californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13254 Plumas Sierra Nevada - Plumas National Forest; Shaded site on slopes to W of headwaters of Bull Run Creek off USFS 23N12E. 2100 Comment
  CAS-BOT-BC224548  Cuscuta californica Lowell Ahart 1981-7-21 2971 Plumas Along Cleghorn Bar Road, near Pilot Peak 1900 Comment
  JEPS114800  Cuscuta californica var. breviflora Lowell Ahart 2008-8-13 15190 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  JEPS118433  Cuscuta californica var. breviflora Lowell Ahart 2011-9-20 17679 Plumas Forest floor along the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CHSC57278  Cuscuta californica var. californica L. P. Janeway 1984-9-1 1129 Plumas Lakes Basin Recreation Area. Slope above Mud Lake. 2072 Comment
  CHSC65422  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Lassen Volcanic Park. Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  JEPS104188  Cuscuta occidentalis Lowell Ahart 2003-9-7 10563 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  CHSC66757  Cuscuta subinclusa Vernon H. Oswald; Lowell Ahart 1996-8-14 8173 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. 1676 Comment
  UC124431  Cuscuta subinclusa Mrs. R. M. Austin Jul 1896 492 Plumas Lassens Peak 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
  UC105508  Cycladenia humilis var. humilis Mrs. R. M. Austin 1879-1 Plumas Dutch Hill Comment
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Mar 14 2016
  UC405211  Cycladenia humilis var. humilis J. G. Lemmon July, 1872 Plumas trail between Indian Valley and Mountain Meadow Comment
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Jun 15 2012
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  CHSC87833  Cynoglossum occidentale Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11002 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  UC480666  Cynoglossum occidentale H. F. Copeland 1920-7-17 110 Plumas between Plumas and Tehama Co.'s Bull Mt. Comment
  CAS-BOT-BC114133  Cyperus squarrosus Thomas H. Kearney 1944-8-14 15 Plumas Near Prattville, Lake Almanor. Comment
  SEINET9153731  Cyperus squarrosus W. Harnach, N. Harnach 2000-8-2 969 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
  UCD141099  Cyperus squarrosus E. K. Balls 1950-9-14 15814 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC114128  Cyperus squarrosus John Thomas Howell 1961-9-24 36913 Plumas Feather River bed sur. of Beckworth. 1487 Comment
  SD7404  Cypripedium fasciculatum Mrs. R. M. Austin 1881-1 Plumas Big Meadows. Comment
  POM290913  Cypripedium montanum Lyman Benson, J. W. Morrison s.n. Plumas Near Quincy 2134 Comment
  CAS-BOT-BC70669  Cystopteris fragilis John Thomas Howell; Gordon H. True 1967-5-9 42210 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  SD19364  Cystopteris fragilis Mrs. R. M. Austin 1880-1 Plumas Big Meadows 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
  SJSU12123  Damasonium californicum N. A. Hopkins 1971-6-19 407 Plumas 5 mi SE of Beckwourth, Sierra Valley 1371 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-BC186622  Danthonia californica Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2639 Plumas Valley Proper. Butterfly Botanical Area and Vicinity 1036 Comment
  CHSC44558  Danthonia californica var. americana Lowell Ahart 1977-8-2 1532 Plumas In a meadow and east of the county road, about 2 miles south-west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  POM115082  Danthonia californica var. americana Marcus E. Jones 1897-7-3 s.n. Plumas Prattville [county not specified on label] 1372 Comment
  CAS-BOT-BC192334  Danthonia unispicata John Thomas Howell 1962-6-18 37772 Plumas Sierra Valley near Beckwourth 1487 Comment
  SBBG30523  Darlingtonia californica D. Myrick 1968-6-18 1933 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC76200  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PG&E wire between dirt road and Feather River. Ca. 0.25 mile north of Dutch Creek, ca. 0.5 mile northeast of Twain 853 Comment
  UC330384  Darmera peltata J. G. Lemmon and wife Jun 1875 Plumas American Valley; High Sierra Comment
  UCD102618  Darmera peltata Dean Dubbe 1974-5-18 14 3 Plumas Butterfly Valley, west of Hwy 89, 6 miles north northwest of Quincy. 1097 Comment
  CAS-BOT-BC179652  Delphinium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54392 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  SEINET5337985  Delphinium decorum L. Miller 1934-1 s.n. Plumas Near Portola, CA. Comment
  CAS-BOT-BC8921  Delphinium depauperatum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1943 Plumas Fern Glen, Butterfly Botanical Area. 1097 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-BC9825  Delphinium nudicaule Mrs. H. C. Cantelow 1940-5-11 4267 Plumas W of Meadow Valley Inn Comment
  CAS-BOT-BC9861  Delphinium nudicaule Clare Butterworth Hardham 1961-6-16 7458 Plumas Diamond Peak 2133 Comment
  UC118647  Delphinium nudicaule Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC9855  Delphinium nudicaule Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas 1 mile west of Mohawk on road to Johnsville 1463 Comment
  HSC25003  Delphinium nudicaule R. J. Vernimen 1963-5-4 50 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  UCD40409  Delphinium nudicaule Rodney Gale Myatt 1971-6-13 741 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC116075  Delphinium nuttallianum Anna Head 1921-7-1 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC116096  Delphinium nuttallianum Anna Head 1920-7-1 s.n. Plumas Gravelly flats near Gold Lake, Feather River Region 1828 Comment
  CHSC45506  Delphinium nuttallianum Lowell Ahart 1975-7-20 906 Plumas Seep, about 1 mile north of the Bunker Hill Mine, about 11 miles north-east of La Porte. 1828 Comment
  SD58356  Delphinium nuttallianum Sether C. Fritz 1933-7-25 Plumas In meadow on slopes of Spanish Peak 2133 Comment
  UC1126053  Delphinium nuttallianum A. Lewis 1934-6-12 474 Plumas 4 1/2 mi sw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle, Moorevile Ri Comment
  CAS-BOT-BC116073  Delphinium nuttallianum Anna Head 1921-7-6 s.n. Plumas Trail up Bear Ridge, Feather River Region Comment
  CAS-BOT-BC116120  Delphinium nuttallianum L. P. Janeway 1940-5-11 3776 Plumas Near Emigrant Creek and about.10 mi south of Little Grizzly Creek. 1767 Comment
  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
  CHSC116384  Deschampsia cespitosa Sara M. Taylor; Scott Batiuk, Kendra Sikes 2012-7-16 41 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  SEINET4566848  Deschampsia cespitosa A. A. Heller, P. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  JEPS113674  Deschampsia cespitosa subsp. cespitosa Lowell Ahart, Josephine Guardino 2007-7-20 14344 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS28313  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-7-18 826 Plumas n. shore on w. bank of inlet Willow Lake; Lassen Volcanic Nat'l Park 1661 Comment
  POM365010  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor 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
  CAS-BOT-BC201888  Deschampsia elongata A. A. Beetle 1941-6-28 2771 Plumas West side of Lake Almanor Comment
  CDA14711  Deschampsia elongata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3222 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  JEPS110430  Deschampsia elongata Lowell Ahart 2006-7-9 12931 Plumas Near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Resevoir 1678 Comment
  JEPS113651  Deschampsia elongata Lowell Ahart, Josephine Guardino 2007-7-21 14382 Plumas Sides of a small drying stream, about 60 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
  UC1024660  Deschampsia elongata Leo Whitney 1934-8-6 2190 Plumas ca. 10 mi. n.w. Portola (Big Grizzley Valley); Plumas Nat'l Forest, Big Grizzley Valley 1828 Comment
  JEPS87599  Descurainia incana Lowell Ahart 1994-7-7 7451 Plumas about 0.75 air mi se Pilot Peak (on n side of Pacific Crest Trail, on Bunker Hill Ridge, Plumas County and Sierra County); Bunker Hill Ridge 2011 Comment
  CAS-BOT-BC43037  Descurainia incisa subsp. incisa Lowell Ahart 1986-7-1 5331 Plumas Sierra Nevada. Along Bunker Hill Creek, at the Bunker Hill Mine, ca. 11 miles northeast of La Porte. 1889 Comment
  CAS-BOT-BC43111  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1977-6-20 52370 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC43502  Descurainia sophia John Thomas Howell; Gordon H. True 1968-6-10 44555 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC43504  Descurainia sophia John Thomas Howell 1975-7-22 s.n. Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC61225  Dicentra formosa K. B. McShea 1992-4-20 14 Plumas Ca 2 mi s of Jct of Hwy 89 and Hwy 70. 12 mi se of Quincy. 792 Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 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
  CAS-BOT-BC402573  Dicentra uniflora Robert J. Weatherby 1955-6-21 1535 Plumas Meadow below Spanish Peak lookout 2133 Comment
  CAS-BOT-BC502674  Dichelostemma multiflorum A. A. Heller; B. B. Kennedy 1907-7-8 8768 Plumas Near Greenville Comment
  UCD139255  Dichelostemma multiflorum E. W. Jameson 1949-6-12 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  UC1037236  Dieteria canescens var. shastensis Leo Whitney 1934-8-29 3068 Plumas near Murdock Crossing (Plumas National Forest); Plumas National Forest 1920 Comment
  CAS-BOT-BC209011  Digitaria sanguinalis John Thomas Howell 1959-9-21 34724 Plumas Belden - Sierra Nevada 701 Comment
  CAS-BOT-BC150232  Diplacus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54406 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC150486  Diplacus grandiflorus Lewis S. Rose 1963-6-2 63079 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CHSC9722  Diplacus grandiflorus Nancy Mosman 1971-7-11 90 Plumas Along e side of Hwy 70 ca. 1.7 mi s of Belden. 1025 Comment
  SEINET8733129 Image available Diplacus grandiflorus Helen K. Sharsmith 1955-1 4525 Plumas East Branch of North Fork of Feather River, near Pulga. Altitude ca. 2000 feet. 610 Comment
  CHSC21105  Diplacus layneae F. T. Griggs; A. Pass 1975-7-1 3 Plumas East of Grizzly Creek. Buck's Lake Forest Service Survey. Comment
  CHSC21558  Diplacus layneae L. M. Mayer; D. E. Brink Jr. 1975-7-2 Plumas Bucks Lake Floristic Survey. Found in the n portion of the section. Comment
  CAS-BOT-BC151852  Diplacus mephiticus Clare B. Hardham 1961-6-15 7401 Plumas Gray Eagle [Graeagle] - Sierra Nevada Mountains Comment
  CHSC66772  Diplacus mephiticus Vernon H. Oswald; Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Northern High Sierra Nevada. 1127 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CAS-BOT-BC153951  Diplacus pygmaeus Wayne Dakan 1978-5-24 s.n. Plumas Ca. 1/2 mile west of north edge of Almanor (probably near Hwy 89) 1389 Comment
  CHSC113875  Diplacus torreyi Lowell Ahart 2014-8-26 19785 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC77063  Diplacus torreyi L. P. Janeway 1996-8-20 5072 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CAS-BOT-BC151688  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Near Drakesbad Comment
  UC1134584  Disporum hookeri G. T. Nordstrom 1934-7-20 242 Plumas 1/2 mi nw of Edmanton (Plumas National Forest); Plumas National Forest 1493 Comment
  UCR178428  Dodecatheon hendersonii E. W. Jameson 1949-4-26 s.n. Plumas Northern Sierra Nevada Mtns., experiment station in Quincy Comment
  UC1143164  Downingia bacigalupii E. Sawyer 1935-6-27 159 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  UC635665  Downingia bacigalupii H. L. Mason 1924-6-26 1092 Plumas Blairsden Comment
  JEPS108499  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-30 315 -96 Plumas Nea the W shore of Lake Almanor. SW corner of Rt. 89 and Prattville Butte Reservoir Road. Comment
  CAS-BOT-BC41397  Draba verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather Rivers south side, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  CDA24829  Draba verna J. Budaj 1969-4-9 Plumas In horse paddock areas, county fairgrounds, Quincy. 0 Comment
  CHSC60529  Draba verna var. aestivalis L. P. Janeway 1992-4-2 4148 Plumas Plumas National Forest. West side of Claireville Flat; 1/3 mi southeast of Hwy 70 and 3/4 mi northwest of Middle Fork Feather River. Meadow. 1484 Comment
  CDA9321  Draperia systyla D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .276 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  CHSC75504  Draperia systyla G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3168 Plumas Dry shale road bank above Dark Ravine Creek, 2.7 miles south of Dixie Canyon-Round Valley Road. 1524 Comment
  JEPS115204  Draperia systyla Lowell Ahart, John Dittes 2009-7-15 16100 Plumas On broken rock, northeast of the power line, on the east side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC335430  Draperia systyla unknown 1889-1 Plumas Tefft's ranch Comment
  UC1586461  Drosera X obovata Vernon H. Oswald and Lowell Ahart 1991-7-30 4792 Plumas ca 6 air mi ene Humbug Summit (ca 12 air mi s of Chester, w side of valley, fenced enclosure at the springs); Humbug Valley, Big Springs 1310 Comment
  CHSC21186  Drosera rotundifolia F. T. Griggs; A. Pass 1975-7-16 183 Plumas N. shore of Lower Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  CHSC46703  Drosera rotundifolia V. Oswald; W. Dempsey 1989-8-24 3967 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  CAS-BOT-BC401580  Drosera rotundifolia Robert J. Weatherby 1950-7-21 1482 Plumas Butterfly Lake, Quincy district 1219 Comment
  CAS-BOT-BC401589  Drosera rotundifolia J. G. Lemmon No date on label s.n. Plumas Butterfly Val [Valley] Comment
  SBBG25868  Drosera rotundifolia K. K. Muller 1965-8-20 1365 Plumas local dirt logging rd turning W from St Hwy 89, 6 mi N of Quincy Comment
  CAS-BOT-BC159586  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1970-8-9 17716 SS Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC535003  Drymocallis glandulosa var. reflexa A. A. Heller 1913-6-13 10853 Plumas Near Qunicy 1066 Comment
  CAS-BOT-BC159302  Drymocallis lactea var. lactea Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CHSC46621  Dulichium arundinaceum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3901 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC40873  Dysphania ambrosioides K. R. Stern 1985-6-25 8220 Plumas Vicinity of Blairsden, e margin of highway 70. 1402 Comment
  CHSC81615  Dysphania ambrosioides Lowell Ahart 2001-10-8 9331 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of ArlingtonRoad, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC69526  Echinochloa colona Lowell Ahart 1997-9-11 7898 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  SEINET3015222  Echinochloa colona L. Ahart 1997-9-11 7898 Plumas On the W edge of Caribou Rd, on the W side of the North Fork of the Feather River, about 1.8 mi S of mosquito Creek, about 5 miles (air) mortheast of Belden. 792 Comment
  CAS-BOT-BC197262  Echinochloa muricata var. microstachya Lowell Ahart 1981-9-6 3097 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  JEPS120772  Elatine Lowell Ahart 2013-9-11 19023 -W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, about 15 air miles NE of Taylorsville. Comment
  JEPS120773  Elatine Lowell Ahart 2013-9-11 19023 -A-L Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, about 15 air miles NE of Taylorsville. Comment
  CHSC102113  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16228 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC40265  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC113510  Eleocharis bella John Thomas Howell 1926-7-24 2112 Plumas Lake Almanor, near Prattville 1371 Comment
  CHSC82152  Eleocharis coloradoensis L. P. Janeway 2001-7-25 7389 A Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  CAS-BOT-BC113383  Eleocharis engelmannii Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CAS-BOT-BC113385  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 18 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC113390  Eleocharis engelmannii Walter Knight; Irja Knight 1966-6-19 1357 Plumas Near Pond Reservoir, Butterfly Valley. 1097 Comment
  CHSC78189  Eleocharis macrostachya Lowell Ahart 2000-5-21 8382 Plumas About 30 feet north of the pond, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1005 Comment
  JEPS113650  Eleocharis macrostachya Lowell Ahart, Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 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
  UCD49741  Eleocharis macrostachya S. Galen Smith; Malcolm A. Nobs 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  JEPS110527  Eleocharis obtusa var. obtusa Lowell Ahart 2006-10-23 13487 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  JEPS102741  Eleocharis parishii Lowell Ahart and Vernon H. Oswald 2001-7-11 8890 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  CHSC78570  Eleocharis torticulmis L. P. Janeway; Linnea Hanson, Jerold Hustafa, Jim Battagin 2000-9-13 6969 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  JEPS436  Elodea canadensis Rebecca M. Austin Aug 1896 573 Plumas Big Meadows Comment
  CAS-BOT-BC494106  Elodea canadensis William Harnach 2000-8-2 966 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
  UCD61418  Elymus elymoides G. L. Stebbins Jr. 1939-7-9 2934 Plumas Meadow view ranger station. Along rivulet. 1889 Comment
  UC1024640  Elymus glaucus Leo Whitney 1934-8-10 2219 Plumas ca 9 mi nw Portola (nw end of valley); Plumas National Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CAS-BOT-BC206508  Elymus glaucus subsp. glaucus John Thomas Howell 1977-6-20 52415 Plumas On the peninsula of Lake Almanor - Sierra Nevada 1371 Comment
  CAS-BOT-BC206520  Elymus glaucus subsp. glaucus John Thomas Howell 1961-6-21 36674 Plumas Greenville - Sierra Nevada 1097 Comment
  CHSC60171  Elymus glaucus subsp. glaucus L. P. Janeway 1992-7-10 4257 Plumas Plumas National Forest. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. Along temporary logging spur road. 2072 Comment
  UC1609385  Elymus glaucus subsp. glaucus Lowell Ahart 1993-9-24 7265 Plumas about 1 mi w of Pilot Peak (on s side of Pacific Crest Trail, about 400 yards ne of trail head, about 1/10 mi e of the Quincy La Porte Road); Pacific Crest Trail 1920 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
  CAS-BOT-BC228655  Elymus multisetus John Thomas Howell 1955-7-19 30779 Plumas Beckwourth 1493 Comment
  CHSC108083  Elymus sierrae Lowell Ahart 2011-9-20 17681 Plumas On the northwest side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  UC717963  Elymus trachycaulus David D. Keck 1944-7-8 5419 Plumas Feather River Inn Sierra Nevada, Middle Fork Feather River, Mohawk Valley 1356 Comment
  SEINET10554831  Elymus trachycaulus Frederick J. Hermann 1955-7-27 Hermann 11953 Plumas Gravelly roadside, 4 miles W. Portola. Comment
  CAS-BOT-BC204408  Elymus trachycaulus subsp. trachycaulus John Thomas Howell; Gordon H. True 1968-6-10 44549 Plumas Quincy 1036 Comment
  UCD96754  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-30 s.n. Plumas Rich Gulch. 1173 Comment
  CAS-BOT-BC81882  Ephedra viridis W. Harnach; N. Harnach 1989-6-29 204 Plumas Sierra Valley, Beckwith Pass on the north side of Hwy. 70 1539 Comment
  CHSC44975  Epilobium K. R. Stern 1985-6-25 8232 Plumas Vicinity of Blairsden. Comment
  CAS-BOT-BC165930  Epilobium John Thomas Howell 1959-9-26 35076 Plumas 3.2 mi. w. of Belden Comment
  CHSC33731  Epilobium brachycarpum M. S. Taylor 1981-7-13 3994 Plumas Frenchman Lake Canyon, 0.5 mi s of the dam, ca. 11 mi n of Chilcoot on Hwy 70. 1706 Comment
  RSA0105468  Epilobium brachycarpum Lowell Ahart 2014-8-26 19784 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4, miles (air) north of La Porte. 1533 Comment
  RSA59186  Epilobium canum subsp. latifolium E. K. Balls, R. Weatherby 1950-9-1 15612 Plumas East of Long Lake, cliffs above meadow sloping down to two smaller lakes. 2134 Comment
  JEPS102795  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-9-18 9285 Plumas Near the edge of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  JEPS120769  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-9-11 19031 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  SD130488  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-16 51886 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1096 Comment
  CDA38116  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-10-8 13396 Plumas On the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. Comment
  CHSC91907  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2005-8-9 12260 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
  CHSC117615  Epilobium glaberrimum subsp. glaberrimum L. P. Janeway 2016-8-16 12156 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 23N10 0.3 km north-northwest of bridge across Hopkins Creek; between Pilot Peak and Blue Nose Mtn. 1737 Comment
  CHSC80843  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-7-19 8943 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  UC1075674  Epilobium hallianum Robert J. Weatherby 1955-7-2 1583 Plumas Wilcox Valley 1767 Comment
  CHSC63462  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas Plumas County. Sierra County. On the south side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  UC932082  Epilobium minutum Verne Grant and Alva Grant 1948-6-13 8583 Plumas 1 mi from Cascade (on road to Oroville); Lava Cap Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  CHSC112565  Epilobium torreyi B. Castro; L. P. Janeway 2007-6-24 1647 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley abt 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W isde of Thompson Creek, 250-300 ft below edge of open Ponderosa-Jeffrey pine forest. 1674 Comment
  CHSC36320  Epipactis gigantea M. S. Taylor 1982-8-4 4918 Plumas On n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1889 Comment
  SEINET10839602  Epipactis gigantea Mary Susan Taylor 1982-8-4 Taylor 4918 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CHSC57792  Equisetum arvense Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 b Plumas Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. 1658 Comment
  JEPS88065  Equisetum arvense Lowell Ahart 1995-6-28 7686 Plumas ca. 5 mi (air) n of La Porte (ca. 1 mi ne Little Grass Valley Reservoir, ca. 1/2 mi sw of Feather Fork Mine); S. Fork Feather River 1828 Comment
  CHSC34294  Equisetum hyemale subsp. affine M. S. Taylor 1981-8-19 4224 Plumas 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat. 1341 Comment
  SEINET10867045  Equisetum hyemale subsp. affine Mary Susan Taylor 1981-7-21 Taylor 4089 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CAS-BOT-BC57403  Equisetum laevigatum John Thomas Howell 1955-7-18 30727 Plumas Mohawk 1371 Comment
  CAS-BOT-BC204597  Eragrostis mexicana subsp. virescens John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2190 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  SEINET8655777  Eragrostis pectinacea var. pectinacea W. Harnach 2015-7-20 1431 Plumas Just south of the intersection of Co. Rd. A-24 and Marble Lane. 1486 Comment
  CAS-BOT-BC174154  Eremogone aculeata John Thomas Howell 1951-6-28 27689 Plumas Eureka Peak 2133 Comment
  CHSC21211  Eremogone cliftonii F. T. Griggs; A. Pass 1975-7-12 172 Plumas Buck's Lake. Comment
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Jul 8 2014
  RSA0049695  Eremogone cliftonii Dean Wm. Taylor, Cade Mohler 2014-6-25 21490 Plumas 1 mile west of The Big Hill (vicinity Kimshew Point), logging spur road 0.5 miles east of Concow Road (County Road 525) 1650 Comment
  CAS-BOT-BC174216  Eremogone congesta var. congesta Alice Eastwood 1927-6-17 14679 Plumas United States Forest Reserve. On road from Long Valley to Greenville Comment
  CAS-BOT-BC174366  Eremogone kingii var. glabrescens Lowell Ahart 1983-8-17 4321 Plumas Near Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CHSC101458  Eremogone kingii var. glabrescens L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-7-1 9833 Plumas Northern High Sierra Nevada. Top of ridge just east of Road 23N73Y 2.4 road mi north-northwest of Grizzly Summit; north side of Oak Ridge and at the head of Foreman Creek. 1737 Comment
  SEINET14611520  Eriastrum sparsiflorum W. Harnach, N. Harnach 2002-8-8 1119 Plumas Sierra Valley, Beckwourth Pass, on N side of Hwy 70, ca 1.5 miles E of Chilcoot. 1591 Comment
  UCD38332  Ericameria Beecher Crampton 1954-5-10 1872 Plumas 1 mile west of Portola. 1470 Comment
  CAS-BOT-BC286645  Ericameria bloomeri Clare B. Hardham 1970-8-9 17716 LL Plumas Road to Thompson Peak Lookout Comment
  UC762561  Ericameria bloomeri R. F. Hoover 1940-9-22 4627 Plumas Chester Comment
  UC86504  Ericameria bloomeri Mrs. R. M. Austin 1877-1-1 Plumas Big Meadows Mt. Dyer, Big Meadows 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-BC294283  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1499 Comment
  CAS-BOT-BC294285  Ericameria nauseosa var. speciosa E. K. Balls 1950-9-14 15819 Plumas 6 mi. northwest of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC293021  Ericameria parryi var. nevadensis John Thomas Howell 1977-8-11 52693 Plumas North end of Frenchmans Reservoir 1706 Comment
  CAS-BOT-BC293032  Ericameria parryi var. nevadensis L. P. Janeway 1989-7-19 3501 Plumas Beckwourth Ranger District, Plumas National Forest. Along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth 1676 Comment
  CHSC59680  Ericameria parryi var. nevadensis L. P. Janeway; Shannon Quinsey 1992-8-11 4289 Plumas Plumas National Forest. Between Dixie Creek and Coyote Hills in the northeast corner of Red Clover Valley: along Road 25N74 0.4 mi southwest of Road 26N70 and Dixie Creek. 1691 Comment
  CHSC91771  Erigeron bloomeri var. bloomeri G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16318 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC54513  Erigeron canadensis Vernon H. Oswald 1991-8-5 4809 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  UCD131756  Erigeron canadensis E. K. Balls 1950-9-16 15879 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy. 89. 1432 Comment
  CAS-BOT-BC295995  Erigeron divergens Gordon H. True; John Thomas Howell 1969-6-23 45838 Plumas 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  JEPS113588  Erigeron divergens Lowell Ahart, Josephine Guardino 2007-7-20 14337 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SEINET3454486  Erigeron divergens G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-24 3177 Plumas Sierra Nevadas, Sierra Nevadas, 2.5 miles northeast of Quincy junction on Mount Hough-Crystal Lake Road at junction of Howell's Road to Tollgate Creek and Keddie 1280 Comment
  UC87592  Erigeron eatonii var. plantagineus T. S. Brandegee 1892-7-4 Plumas Prattsville Comment
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Jan 27 2015
  CAS-BOT-BC300402  Erigeron eatonii var. plantagineus John Thomas Howell; H. Keith Wagnon 1980-5-27 53620 Plumas 1 mile west of Almanor 1386 Comment
  JEPS21563  Erigeron eatonii var. plantagineus L. T. Dempster 1958-7-13 1155 Plumas about 5 mi s Beckwourth (meadow beside road) 1493 Comment
  JEPS108583  Erigeron filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak 1884 Comment
  UC1563959  Erigeron glacialis var. glacialis Barbara Ertter with Gary Schoolcraft 1989-7-3 8670 Plumas Diamond Mountain peak 7 air miles S of Susanville 2286 Comment
  CAS-BOT-BC295220  Erigeron inornatus Marcus E. Jones 1897-6-25 s.n. Plumas Susanville 1341 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
  CHSC65373  Erigeron inornatus var. inornatus Lowell Ahart 1995-9-13 7639 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 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
  CHSC102383  Erigeron lassenianus var. lassenianus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16129 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
  RSA755448  Erigeron lassenianus var. lassenianus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16129 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC295500  Erigeron lassenianus var. lassenianus L. P. Janeway 1992-6-8 4224 Plumas Plumas National Forest, Quincy Ranger District. About 0.3 mi south of Hwy 70/89 at Lee Summit 1359 Comment
  CHSC72436  Erigeron nevadincola L. P. Janeway 1998-7-1 5705 Plumas 50 ft west (downhill) of Road 25N11, 0.4 mi northwest of Cottonwood Campground. 1767 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  CDA34754  Erigeron petrophilus var. sierrensis L. Ahart 2008-9-1 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. Comment
  SJSU14479  Erigeron pumilus var. intermedius N. A. Hopkins 1990-8-31 1638 Plumas 11.2 miles NW of Beckwourth 1645 Comment
  CHSC45930  Eriodictyon californicum Lowell Ahart 1981-6-25 2883 Plumas On the road cutbank, along the dirt road, about 1 mile north of Nelson Creek, about 16 miles north-east of La Porte. 1554 Comment
  SEINET10497045  Eriodictyon californicum Mary Susan Taylor 1982-5-23 Taylor 4514 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
  UC1032307  Eriogonum baileyi var. praebens C. W. Hanks 1934-8-11 41 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  RSA756700  Eriogonum douglasii var. douglasii Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  JEPS108538  Eriogonum douglasii var. meridionale L. P. Janeway, B. Castro 2006-6-3 8659 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow 1673 Comment
  CHSC62480  Eriogonum elatum var. elatum L. P. Janeway 1993-8-10 4513 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. Around the sagebrush in sagebrush flats. 1487 Comment
  SEINET3405036 Image available Eriogonum luteolum A. A. Heller, P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly creek, below Genessee Comment
  CAS-BOT-BC267332  Eriogonum luteolum var. pedunculatum John Thomas Howell 1959-9-21 34808 Plumas Indian Creek Canyon, Sierra Nevada 914 Comment
  JEPS56731  Eriogonum marifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 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-BC263301  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1973-7-31 50074 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC263296  Eriogonum marifolium var. marifolium Lewis S. Rose 1951-6-28 51055 Plumas Above Eureka Lake n. of Johnsville 2133 Comment
  UCD100503  Eriogonum nudum John Thomas Howell 1955-7-20 30853 Plumas Mohawk. 1371 Comment
  UCR270417  Eriogonum nudum John F. Emmel 2000-8-4 1684 Plumas Sierra Nevada Mtns., Mapes Canyon Road, c. 3 air miles NNW of Beckwourth 1585 Comment
  CAS-BOT-BC264818  Eriogonum nudum var. deductum John Thomas Howell 1951-6-28 27654 Plumas Johnsville, Sierra Nevada 1584 Comment
  CHSC21353  Eriogonum nudum var. deductum F. T. Griggs; A. Pass 1975-7-8 130 Plumas Buck's Lake. 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
  CHSC60544  Eriogonum nudum var. nudum L. P. Janeway 1992-7-30 4298 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket. 1889 Comment
  CAS-BOT-BC261597  Eriogonum nudum var. nudum L. W. Swift 1934-7-2 88 Plumas Plumas National Forest. Elizabethtown 1097 Comment
  JEPS56999  Eriogonum nudum var. nudum W. L. Jepson 1939-8-16 19442 Plumas near Jackson Creek; Middle Fork Feather River Comment
  UCD100552  Eriogonum nudum var. oblongifolium K. L. Olsen 1949-7-31 25 - Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  UC1949200  Eriogonum spergulinum subsp. reddingianum Barbara Ertter 1988-7-25 7853 Plumas W of meadow; Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek Comment
  CAS-BOT-BC269946  Eriogonum spergulinum var. reddingianum Anna Head 1921-7-3 s.n. Plumas Grassy Lake, Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC269952  Eriogonum spergulinum var. reddingianum A. A. Heller; P. B. Kennedy 1907-7-11 8801 Plumas Prattville Comment
  CAS-BOT-BC262749  Eriogonum strictum var. anserinum Alice Eastwood 1918-5-25 7041 Plumas Portola Comment
  CAS-BOT-BC267502  Eriogonum umbellatum John Thomas Howell 1951-8-20 28222 Plumas Indian Valley 1097 Comment
  SEINET10937586  Eriogonum umbellatum var. argus Mary Susan Taylor 1981-7-22 Taylor 4104 Plumas T24N R11E se/se sec 8, Spring Garden quad. In Red Fir Forest; ca. 1/4 mi NE of Argentine Lookout, ca. 5 air mi N of Spring Garden. 7100 ft elev. 2164 Comment
  SEINET5331802  Eriogonum umbellatum var. dumosum A. A. Heller, P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC107422  Eriogonum umbellatum var. modocense L. P. Janeway; Peter Zika 2011-8-6 10632 Plumas Northern High Sierra Nevada. Plumas National Forest; northwest tip of the nose of the rocky ridge on southeast side of Quincy-La Porte Road, 1.7 air km northwest of Pilot Peak. 'Bare' rounded ridge top of metamorphic rock (just nortwesst of the serpentine area); 2001 Comment
  CHSC65822  Eriogonum umbellatum var. modocense L. P. Janeway 1995-7-23 4867 Plumas Hartman Bar Ridge; south side of top of Franklin Hill. 1737 Comment
  CAS-BOT-BC265170  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-31 5081 Plumas Summit of Kettle Rock Lookout, just S of Taylor Lake ca. 6 air mine of Taylorsville 2383 Comment
  CHSC58175  Eriogonum umbellatum var. nevadense Vernon H. Oswald 1992-6-18 4996 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Common in crevices on rocky cliffs bordering the creek. 1621 Comment
  JEPS56233  Eriogonum umbellatum var. nevadense W. L. Jepson 1939-8-12 19387 a Plumas Black Mountain 1981 Comment
  SEINET10479567  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-6-7 Taylor 4611 Plumas 5700 ft. T23N R14E ne/nw sec 32. Portola quad. Open ridge e of Portola, Ramelli Ranch property, ca. 2 mi e of Portola. 1737 Comment
  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
  CHSC69428  Eriogonum umbellatum var. polyanthum Lowel Ahart 1997-8-19 7871 Plumas On the east side of Lumpkin Ridge Road, about 7 1/2 miles east of Camp 18, about 14 miles (air) northeast of Feather Falls. 1402 Comment
  SBBG64055  Eriogonum umbellatum var. polyanthum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
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Feb 22 2017
  CAS-BOT-BC262254  Eriogonum ursinum Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC262264  Eriogonum ursinum Margaret Williams; Emily McPherson 1974-8-5 74 -P-13 Plumas Above Silver Lake on trail to Mt. Elwell, Lakes Basin 2164 Comment
  NY399809  Eriogonum ursinum J. M. Coulter 1876-1 2713 Plumas Comment
  CHSC34726  Eriogonum ursinum var. ursinum M. S. Taylor 1981-6-2 3825 Plumas Serpentine outcrop, n side of Hwy 70, e side of Squirrel Creek, at Spring Garden overpass, 7.5 mi se of Quincy. 1219 Comment
  CHSC45479  Eriogonum ursinum var. ursinum Lowell Ahart 1979-7-18 2004 Plumas Growing on bare broken rock, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1706 Comment
  CHSC53061  Eriogonum ursinum var. ursinum L. P. Janeway 1990-7-25 3810 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Just above Emigrant Creek and 1 1/4 mi south of Little Grizzly Creek. Steep southeast-facing volcanic rock outcropping. 1950 Comment
  CHSC60548  Eriogonum vimineum L. P. Janeway 1992-7-8 4252 Plumas High gravel bar on north side of Middle Fork Feather River, just west of Bonta Creek and below the Mohawk Ranger Station. 1313 Comment
  CHSC97030  Eriogonum vimineum L. P. Janeway; B. Castro 2007-6-23 9069 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek, 10 m southwest of the creek channel. 1673 Comment
  JEPS56137  Eriogonum vimineum W. L. Jepson 1939-8-8 19350 Plumas Meadow Valley 1158 Comment
  RSA107091  Eriogonum vimineum L. S. Rose 1955-7-19 55145 Plumas Portola. 1479 Comment
  UCD101531  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp near Belden. 670 Comment
  CHSC78747  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas Northern High Sierra Nevada. Seepy springy mossy drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  CAS-BOT-BC300954  Eriophyllum lanatum Clare B. Hardham 1978-8-11 21807 Plumas About 7 mi. se. of Antelope Reservoir Comment
  CAS-BOT-BC308085  Eriophyllum lanatum var. achilleoides Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC301417  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1993-7-22 4472 Plumas Plumas National Forest, Oroville Ranger District. Along the Pipeline Road 3.3 mi northwest of Lower Bucks Lake dam 1584 Comment
  RSA79042  Eriophyllum lanatum var. grandiflorum E. K. Balls, Percy C. Everett 1952-10-14 18211 Plumas 3.6 miles south of jct. of Highways 89 and 24 along Feather River Highway 762 Comment
  UCR150988  Eriophyllum lanatum var. grandiflorum L. C. Wheeler 1959-7-15 7568 Plumas Sierra Nevada Mtns, Middle fork of Feather River: McCarty Mine, McCarthy Bar Comment
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  JEPS34641  Eriophyllum lanatum var. integrifolium W. L. Jepson 1910-6-16 4137 Plumas near Keddie 1066 Comment
  UC1118252  Eriophyllum lanatum var. integrifolium C. W. Hanks 1934-8-8 20 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET8687310 Image available Eriophyllum lanatum var. integrifolium A. A. Heller, P. B. Kennedy 1907-7-2 8687 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  JEPS109949  Eryngium aristulatum D. W. Taylor 1992-8-23 13217 Plumas Lake Almanor region, along Hwy 89, 1.3 mile N of junction with Humbug-Humboldt Road. Comment
  RSA101768  Eryngium yuccifolium Ames 1876-1 s.n. Plumas [Unspecified] Comment
  SEINET11991662  Erysimum asperum Unknown 1968-1 s.n. Plumas 41 mi NE of Oroville, beside Hwy 70 Comment
  CHSC2410  Erysimum capitatum var. capitatum R. Carter 1965-6-21 254 Plumas Found ca. 7 mi. W of Bucks Lake on Oroville-Quincy Rd. at Frenchman's Hill, on S side of road ca. 10' SSW of Frenchman's Hill sign. 1737 Comment
  CHSC511  Erysimum capitatum var. capitatum E. Wager 1937-5-15 Plumas Feather river. 365 Comment
  CHSC89523  Erysimum capitatum var. capitatum G. Douglas Barbe; T. C. Fuller 1982-6-15 3726 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC79710  Erysimum perenne G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13207 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  CHSC21088  Erythranthe guttata F. T. Griggs; A. Pass 1975-7-2 56 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET14349591  Erythranthe moschata E. K. Balls 1950-8-30 15507 Plumas North Fork Feather River, on Hwy 24, 21 miles from Quincy. Comment
  SEINET13724047 Image available Erythranthe moschata J. M. Tucker 1948-1 1739 Plumas At mine of United Mining Co. Pinchard Creek, southwest side of Camel Peak 1520 Comment
  SEINET8409831  Erythranthe primuloides John Thomas Howell 1960-7-23 35953 Plumas near soda spring; Drakesbad. 1676 Comment
  SD7095  Erythranthe pulsiferae none given 1880-1 Plumas Plumas Co. Comment
  SD87611  Erythranthe pulsiferae Frank W. Peirson 1926-6-21 6801 Plumas South shore Lake Almanor, flat land along lake, mostly shade 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-BC403346  Eschscholzia californica Gary Schoolcraft 1984-6-27 1277 Plumas East of Sugar Loaf Mtn. 23-15-21 1524 Comment
  CAS-BOT-BC403352  Eschscholzia californica John Thomas Howell 1959-9-24 34918 Plumas Crescent Mills 1066 Comment
  UC635611  Eschscholzia californica H. L. Mason 1924-6-15 1034 Plumas Graeagle Comment
  CHSC108717  Eucephalus breweri B. Castro; L. P. Janeway 2003-9-7 1455 A Plumas High Cascade Range. Caribou Wilderness Area, ca 0.6 mi NW of Hay Meadow and 0.4 mi NW of Indian Meadow, along E side of trail off S end of large unnamed wet meadow. Large plts scattered in one patch between trail and creek feeding Indian Meadow. 2017 Comment
  CHSC117574  Eucephalus breweri Lowell Ahart 2016-7-9 21086 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  JEPS118432  Eucephalus breweri Lowell Ahart 2011-9-20 17678 Plumas Forest floor along the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CAS-BOT-BC202527  Euphorbia Roxana S. Ferris 1951-9-14 12467 Plumas Between Graeagle and Calpine just north of Sierra County lne (State Highway 89) Comment
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  JEPS113548  Eurybia integrifolia Lowell Ahart, Josephine Guardino 2007-7-21 14363 Plumas Near a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC278467  Festuca idahoensis John Thomas Howell; Gordon H. True 1973-7-31 50101 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  SEINET10507960  Festuca idahoensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4663 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  CHSC118814  Festuca occidentalis Wendy L. Boes; Jim Battagin 2015-5-12 2015 -02 Plumas Between Forest Service Road 25N18Y and Caribou Roadd, south of Northfork Campground. (UTM652180 E, 4433328 N, NAD83 Zone 10N; Elevation 792 m.) 792 Comment
  UC1024664  Festuca rubra Leo Whitney 1934-8-8 2185 Plumas ca 9 mi nw Portola (Fireman Creek, nw end of Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  JEPS113663  Festuca subulata Lowell Ahart, Josephine Guardino 2007-7-20 14322 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
  CAS-BOT-BC282567  Festuca viridula Lowell Ahart 1981-7-21 2963 Plumas Buzzards Roost Ridge, ca. 0.25 mi. E of the road, ca. 1.25 mi. N of Pilot Peak, Sierra Nevada 2000 Comment
  CHSC54404  Floerkea proserpinacoides Vernon H. Oswald 1991-6-12 4656 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Meadow just north of the park boundary. 1658 Comment
  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
  UCD112555  Frangula californica Robbins; Raynor 1943-6-1 s.n. Plumas near Belden, Feather River Canyon. Comment
  CAS-BOT-BC55670  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC21513  Frangula purshiana D. Brink; L. Mayer 1975-7-9 Plumas Buck's Lake. Comment
  CHSC98917  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9195 Plumas Northern High Sierra Nevada. Granite Basin, along an unnamed northeastern branch of Little North Fork Middle Fork Feather River, near its head, near the Road 23N95Y crossing. Near and with the riparian strip along the creek. 1588 Comment
  HSC99907  Frangula purshiana subsp. ultramafica J. O. Sawyer, & J. P. Smith 2004-7-15 4575 Plumas Red Hill on the N Fork Feather River. 835 Comment
  CHSC108038  Frangula rubra subsp. modocensis L. P. Janeway; B. Castro 2011-10-2 10759 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. In dry rocks near the meadow. 1542 Comment
  CAS-BOT-BC59583  Frangula rubra subsp. rubra John Thomas Howell 1973-7-10 49731 Plumas Sierra Nevada - near Greenville 1097 Comment
  RSA113184  Fritillaria atropurpurea E. K. Balls, Lee W. Lenz 1955-5-14 20715 Plumas 3.1 miles north of Greenville along Highway 89 to Lake Almanor 1159 Comment
  SEINET7725691  Fritillaria atropurpurea Unknown 1875-1 Plumas Comment
  UC337829  Fritillaria recurva J. G. Lemmon Plumas Sierra Valley to Indian Valley Indian Valley Comment
  CHSC21706  Galium F. T. Griggs; A. Pass 1975-7-2 61 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33816  Galium bifolium M. S. Taylor; M. Foster 1981-6-3 3839 Plumas N side of 24N61, ca. 1.5 mi S of Little Summit Lake, ca. 10 mi NW of Portola. 2103 Comment
  JEPS87751  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas about 1 mi (air) w Little Grass Valley Reservoir (w side of logging road near intersection of Lumpkin Ridge Rd and road to Tamarack Flat); w of Little Grass Valley Reservoir 1767 Comment
  SD46741  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake, Lakes Basin Area 2194 Comment
  SEINET10500690  Galium bifolium Mary Susan Taylor 1981-6-17 Taylor 3926 A Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  JEPS6709  Galium bolanderi W. L. Jepson 1927-6-22 12291 Plumas ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  POM147081  Galium bolanderi Alice Eastwood 1927-06 14571 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CHSC73992  Galium grayanum var. grayanum B. Castro; L. Gehrung 1998-10-2 854 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge west of Pilot Peak ca 0.1 mi NW of jcn of the Pacific Crest Trail, Co. Rd 511, and USFS Rd 22N60. 1981 Comment
  POM69209  Galium grayanum var. grayanum Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. On the Big Divide. 1829 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
  CHSC113596  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113638  Galium triflorum Lowell Ahart 2014-8-31 19819 Plumas In an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC20813  Galium triflorum K. R. Stern 1975-7-24 5827 Plumas Lake Almanor. 1371 Comment
  JEPS122089  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SD71034  Galium triflorum Walter Knight, Irja Knight, John Thomas Howell 1966-7-27 1556 Plumas slope near mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC169852  Garrya fremontii Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC169862  Garrya fremontii John Thomas Howell 1967-6-23 42699 Plumas Butterfly Valley 1066 Comment
  UC192034  Garrya fremontii Mrs. R. M. Austin Apr 1877 Plumas Comment
  UCD147792  Gayophytum Allyson Ayalon; Lucie Jerabkova 2012-8-1 145 Plumas Plumas County. Antelope Lake vacinity. 1524 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
  CHSC28703  Gayophytum diffusum subsp. parviflorum R. A. Schlising; C. A. Lawler 1979-8-22 3476 Plumas 7.9 mi W of Portola on Hwy 89, at jct with Delleker Road; at roadside and in ditches. Comment
  JEPS27532  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1924-7-25 10645 Plumas Bucks Valley 1158 Comment
  POM196390  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake. 1829 Comment
  JEPS23194 Image available Gayophytum helleri var. erosulatum W. L. Jepson 1918-8-2 7754 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  UC1075678  Gayophytum humile Robert J. Weatherby 1955-7-2 1589 Plumas Wilcox Valley 1767 Comment
  CHSC115920  Gentiana calycosa L. P. Janeway 2015-8-16 11837 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  SD46624  Gentiana calycosa Robert J. Weatherby 1955-8-16 1685 Plumas Meadow Valley area, Spring at Fales Hill Mine 1524 Comment
  CHSC81377  Gentiana newberryi Lowell Ahart 2001-9-18 9271 Plumas Small stream, south of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  RSA104130  Gentiana simplex Ames 1876-1 s.n. Plumas [Unspecified] Comment
  CHSC100037  Gentianopsis simplex Lowell Ahart 2008-8-14 15206 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CHSC35282  Geum macrophyllum M. S. Taylor; M. Foster 1981-7-6 3970 Plumas Roadside and meadow along Grigsby Creek, ca. 1 mi w of n tip of Frenchman Lake, ca. 13 air mi nw of Chilcoot. 1798 Comment
  CHSC66638  Geum macrophyllum Vernon H. Oswald; Lowell Ahart 1996-7-15 8039 Plumas High Cascade Range. E side of Last Chance Marsh at the N edge of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. 1371 Comment
  CAS-BOT-BC459552  Geum macrophyllum A. A. Heller; P. B. Kennedy 1907-7-9 8787 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CDA38626  Geum macrophyllum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3119 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. Sheet 2 of 2 1371 Comment
  UCR160554  Geum triflorum G. D. Barbe, T. C. Fuller 1982-6-17 3840 Plumas E shore of Frenchman Lake, Crystal Fishing Access. Marshy arm of the lake at the parking lot 1707 Comment
  JEPS102740  Gilia capillaris Lowell Ahart 2001-7-17 8933 Plumas On the west side of a branch of Butt Creek, on the north side of the dirt road, a little west of Ruffa Ranch, about 1 mile (air) north of Eagle Rocks, about 2 miles (air) NE of Humboldt Summit. 1706 Comment
  UC908578  Gilia capillaris Herbert L. Mason 1924-6-20 1083 Plumas Gold Lake Comment
  JEPS69520  Gilia capitata subsp. capitata W. I. Follett 1937-6-18 79 Plumas Rich Gulch Comment
  UC338795  Gilia capitata subsp. mediomontana Lemmon 259 Plumas American Valley Comment
  JEPS110431  Gilia leptalea subsp. leptalea Lowell Ahart 2006-7-9 12935 Plumas Near a very small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1661 Comment
  CAS-BOT-BC283870  Glyceria borealis Malcom A. Nobs; S. Galen Smith 1949-8-18 1380 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  CAS-BOT-BC283879  Glyceria borealis John Thomas Howell 1961-9-25 36953 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC303819  Gnaphalium John Thomas Howell 1976-7-14 51819 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CHSC75458  Gnaphalium palustre G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC91643  Gnaphalium palustre G. D. Barbe; T. C. Fuller 1982-6-17 3844 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  SBBG21774  Gnaphalium palustre D. Myrick 1964-7-21 903 Plumas Drakesbad 1737 Comment
  SEINET10474672  Gnaphalium palustre Mary Susan Taylor 1982-6-28 Taylor 4760 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
  JEPS3606  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-8-18 1351 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  JEPS55563  Hackelia californica W. L. Jepson 1927-6-21 12281 Plumas near Rice Creek (Feather River meadows); Feather River Comment
  RSA700395  Hackelia californica L. P. Janeway 2001-6-15 7182 Plumas High Cascade Range. East side of Humbug Road about 2.7 km. southwest of shore of Lake Almanor, 4.0 miles west of Prattville. 1399 Comment
  CDA36316  Hackelia cusickii J. R. Keck Jr., Horn 1991-6-18 PDR# 566841 Plumas Along U.S. Forest Service Road 24N02Y; northwest of Frenchman Lake and Chilcoot. 0 Comment
  CDA14028  Hackelia micrantha G. F. Hrusa, B. A. Smith 1996-8-8 13476 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  RSA235881  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-21 2081 Plumas Mt. Hough, 10.5 miles northeast of Quincy on Mt. Hough-Crystal Lake Road. 2027 Comment
  CHSC21690  Hackelia nervosa D. Brink; L. Mayer 1975-7-8 Plumas Bucks Lake. Comment
  SEINET10475253  Haplopappus hirtus subsp. lanulosus Mary Susan Taylor 1981-7-7 Taylor 3989 Plumas T25N R14E ne/sw sec 27. Crocker Mt quad. In Sagebrush Scrub on dry, sandy soil, on NE side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi N of Beckwourth. 5600 ft elev. 1707 Comment
  CHSC54331  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1991-6-18 4676 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CAS-BOT-BC508333  Hastingsia alba John Thomas Howell 1951-6-26 27533 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CAS-BOT-BC508335  Hastingsia alba John Thomas Howell 1962-6-16 37646 Plumas Feather River North Fork on road to Caribou, Sierra Nevada 731 Comment
  RSA0009456  Hastingsia alba Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC306691  Helenium bigelovii Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine 1700 Comment
  UCD107441  Helianthella californica var. nevadensis Tim Kuhn 2006-7-9 18 Plumas Southwest of Lake Davis. Comment
  RSA59753  Helianthus bolanderi E. K. Balls 1950-9-15 15800 Plumas 2 miles east of S tip of Lake Almanor, between Greenvillle and Lake Alamnor, Hwy 89 1402 Comment
  UC1597441  Hemizonella minima Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC313427  Hemizonella minima D. E. Breedlove 1962-6-13 3473 Plumas Along State Hwy.89, 2 miles south of Graeagle 1402 Comment
  UC725403  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas plain w Chester 1304 Comment
  CHSC100339  Heracleum lanatum Lowell Ahart 2008-7-16 15078 Plumas Forest floor, in a small seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC112612  Herniaria hirsuta var. hirsuta Lowell Ahart 2013-9-11 19032 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CDA3756  Hesperis matronalis J. T. Howell, G. H. True 1967-7-11 43380 Plumas Quincy. Comment
  CHSC690  Hesperochiron pumilus 1932-5-29 Plumas Almanor meadows. 1432 Comment
  CHSC111718  Hesperolinon micranthum Lowell Ahart 2012-7-1 18260 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  OBI12528  Hesperolinon micranthum Lewis S. Rose 1967-7-11 67158 Plumas Mt. Hough rd, 2 mi NE of Quincy Jctn 1219 Comment
  JEPS108987  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-BC310920  Heterotheca villosa Lewis S. Rose 1955-7-19 55150 Plumas Vinton 1505 Comment
  SEINET10475338  Heterotheca villosa var. hispida Mary Susan Taylor 1981-7-13 Taylor 4005 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
  CHSC107289  Heterotheca villosa var. minor L. P. Janeway; Peter Zika, Barbara Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of ) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  CHSC36876  Heterotheca villosa var. minor M. S. Taylor; H. Swanson 1982-8-11 4970 Plumas Along n side of Jamison Creek Rd (507) on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville. 1798 Comment
  CHSC81406  Heuchera micrantha var. erubescens L. P. Janeway 1996-5-13 4967 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  RSA0066214  Heuchera micrantha var. erubescens E. K. Balls, P. C. Everett 1952-10-14 18213 Plumas Just above Butte Co. line, North Fork Feather River, on Hwy 24. 305 Comment
  RSA0066190  Heuchera rubescens var. alpicola R. C. Bacigalupi 1927-7-2 1687 Plumas About 0.25 mile below outlet of Long Lake along Grey Eagle Creek. 1829 Comment
  UC420444  Heuchera rubescens var. glandulosa H. M. Hall 1912-7-12 9393 Plumas Long Lake; Sierra Nevada Mountains 2072 Comment
  CAS-BOT-BC312320  Hieracium John Thomas Howell 1961-6-21 36642 Plumas Greenville, Sierra Nevada 1097 Comment
  CAS-BOT-BC289227  Holcus lanatus Walter Knight; Irja Knight 1966-6-18 1382 Plumas Butterfly Valley 1127 Comment
  SEINET3156770  Holodiscus boursieri E. K. Balls 1950-9-1 15583 Plumas Long Lake, above E shore toward Mt. Elwell 2103 Comment
  CAS-BOT-BC150019  Holodiscus discolor var. discolor Lowell Ahart 1986-7-8 5357 Plumas Ca. 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte 1950 Comment
  SEINET11688679  Hordeum brachyantherum K. R. Stern 1985-1 8304 Plumas vicinity of Blairsden 1402 Comment
  UC1024784  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-8-8 2239 Plumas ca. 9 mi NW of Portola (Freeman Creek, NW end of Big Grizzley Valley); Plumas National Forest 1828 Comment
  RSA726376  Hordeum jubatum L. Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CHSC59810  Horkelia fusca subsp. parviflora L. P. Janeway 1992-8-30 4293 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1905 Comment
  RSA88555  Horkelia fusca subsp. parviflora J. T. Howell 1951-6-27 27594 Plumas McRae Meadow. 1982 Comment
  CAS-BOT-BC537869  Horkelia fusca var. parviflora W. B. Duncan 1927-8-1 s. n. Plumas Vicinity of Silver Lake Comment
  CAS-BOT-BC143992  Horkelia fusca var. tenella Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Clear Creek 1524 Comment
  SEINET6768111  Horkelia tridentata subsp. flavescens Vetter 1955-5-14 s.n. Plumas Sierra Nevada; 15 miles W of Quincy, off Feather River Highway. 1219 Comment
  CHSC94191  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the southwest edge of a dry open basalt flat. 1527 Comment
  HSC22952  Horkelia tridentata var. flavescens John Pratt 1970-6-21 34 Plumas Chester airport Comment
  CAS-BOT-BC536279  Horkelia tridentata var. tridentata Walter Knight; Irja Knight 1967-5-22 1899 Plumas Butterfly Canyon, Butterfly Botanical Area and Vicinity 1066 Comment
  CHSC101850  Hosackia nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15881 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CHSC21550  Hosackia oblongifolia var. oblongifolia L. M. Mayer; D. E. Brink Jr. 1975-7-2 428 Plumas Bucks Lake Floristic Survey. Comment
  SBBG21859  Hosackia oblongifolia var. oblongifolia D. Myrick 1964-7-21 902 Plumas Drakesbad 1737 Comment
  SEINET5327470  Hosackia oblongifolia var. oblongifolia M. J. Williams, Betty Larson 1983-8-12 83- 135 -4 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsille 1676 Comment
  CHSC60540  Hydrophyllum capitatum var. alpinum L. P. Janeway 1992-5-13 4173 Plumas Plumas National Forest. North side of Lake Davis and 950 ft. north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  SEINET5499963  Hydrophyllum capitatum var. alpinum C. Lantz 1921-5-14 336 Plumas Beckwourth Comment
  UC1776751  Hydrophyllum occidentale G. Douglas Barbe, T. C. Fuller 1982-7-16 3758 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-BC400941  Hypericum anagalloides Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC736  Hypericum anagalloides V. Holt 1940-7-20 Plumas Lake Almanor. 1371 Comment
  POM285804  Hypericum androsaemum Lyman Benson 1932-7-29 4003 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET10905162  Hypericum formosum subsp. scouleri Mary Susan Taylor 1981-7-21 Taylor 4085 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  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
  CHSC54479  Hypericum formosum var. scouleri Vernon H. Oswald; Lowell Ahart 1991-7-30 4779 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). Common on a marshy slope bordering the creek. 1777 Comment
  CHSC117632  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas On the west 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
  CAS-BOT-BC175975  Hypericum scouleri M. S. Taylor 1982-8-4 4919 Plumas Along spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 mi ne of Quincy 1889 Comment
  CAS-BOT-BC88636  Idahoa scapigera W. Harnach; N. Harnach 1989-3-29 005 Plumas Sierra Valley. Hillside north of Barry corrals. 1524 Comment
  UCD130302  Ipomopsis aggregata subsp. aggregata Albert Grigarick 2011-8-15 299 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .7 miles W from Graeagle Trailhead to Hawley Falls. 1776 Comment
  CAS-BOT-BC135731  Iris hartwegii Lewis S. Rose 1963-6-3 63119 Plumas Butterfly Valley, 2 mi. SW of Keddie 1188 Comment
  HSC101676  Iris hartwegii Dillon North Davis 2013-6-6 41 Plumas 9.7 miles south on FS Road 25N17 from intersection with Highway 70. 1576 Comment
  CAS-BOT-BC135742  Iris hartwegii Christopher Davidson 1975-6-7 2737 Plumas 4.6 mi N of Greenville on Hwy 89. 1237 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
  RSA74315  Iris hartwegii subsp. pinetorum Milo S. Baker 1952-5-24 12446 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  SEINET8756767  Iris missouriensis W. Harnach, N. Harnach 1989-5-12 077 Plumas Sierra Valley 1/4 mile west of steel bridge (Marble lane) 1489 Comment
  RSA123137  Iris missouriensis E. Sawyer 1935-06 76 Plumas 5.75 miles south of Sugarloaf 1494 Comment
  CAS-BOT-BC123370  Iris tenuissima var. purdyiformis E. P. Chace 1934-4-11 s.n. Plumas Camp Rodgers Comment
  CAS-BOT-BC69933  Isoetes howellii Malcom A. Nobs; S. Galen Smith 1949-8-18 1386 Plumas Last Chance Marshes at n. end of Lake Almanor, just s. of Chester. Comment
  CAS-BOT-BC324813  Iva axillaris M. S. Taylor 1982-8-27 5047 Plumas SW corner of juncton of Highway 70 adn road to Loyalton in Vinton 1493 Comment
  CAS-BOT-BC324815  Iva axillaris John Thomas Howell 1951-6-28 27660 Plumas Johnsville, Sierra Nevada 1584 Comment
  CHSC55186  Iva axillaris L. P. Janeway 1989-9-6 3646 Plumas Plumas National Forest. Along the Beckwourth-Genesee Road (road 111) 7.0 mi north of Beckwourth. 1729 Comment
  RSA790593  Ivesia aperta James R. Shevock, Barbara Ertter 1986-7-20 11736 Plumas Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  CAS-BOT-BC137408  Ivesia aperta John Thomas Howell 1975-7-22 51379 Plumas Sierra Valley near Beckwourth 1493 Comment
  SEINET3840869  Ivesia aperta var. aperta G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3837 Plumas East shore of Frenchman Lake, Crystal Fishing Access, marshy arm of the lake at the parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  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
  RSA122949  Ivesia sericoleuca E. Sawyer 1935-6-28 244 Plumas Sierraville. 1524 Comment
  RSA516513  Ivesia sericoleuca W. L. Jepson 1939-8-16 19432 Plumas Portola. Comment
  SEINET10483373  Ivesia sericoleuca Mary Susan Taylor 1981-7-7 Taylor 3988 Plumas T25N R14E ne/sw sec 27. Crocker Mt quad. In Sagebrush Scrub on dry, sandy soil, on NE side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi N of Beckwourth. 5600 ft elev. 1707 Comment
  RSA718510  Juncus acuminatus L. Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  CHSC102973  Juncus articulatus Lowell Ahart; John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET6333648  Juncus bufonius A. A. Heller, P. B. Kennedy 1907-7-3 8694 Plumas Red Clover Valley Comment
  CHSC34322  Juncus bufonius var. bufonius L. Ahart 1981-9-6 3106 Plumas Sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  SEINET10472431  Juncus bufonius var. occidentalis Lowell Ahart 1985-7-11 Ahart 5134 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
  CHSC113594  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. 1533 Comment
  JEPS107921  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
  CDA43014  Juncus effusus subsp. pacificus L. Ahart 2008-8-13 15159 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. Comment
  HSC102791  Juncus effusus subsp. pacificus L. Ahart 2008-8-13 15159 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
  CHSC99825  Juncus howellii Lowell Ahart 2008-8-14 15216 Plumas Scattered in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte. 1725 Comment
  JEPS114801  Juncus howellii Lowell Ahart 2008-8-13 15188 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  CAS-BOT-BC110167  Juncus luciensis A. A. Heller; P. B. Kennedy 1907-7-3 8695 Plumas Red Clover Valley. Comment
  CHSC100430  Juncus macrandrus Lowell Ahart 2008-9-10 15391 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 4 1/2 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
  CHSC108042  Juncus nevadensis L. P. Janeway; B. Castro 2011-10-2 10753 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  CHSC65523  Juncus nevadensis L. P. Janeway 1995-9-18 4931 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
  JEPS114895  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15373 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  CHSC21682  Juncus occidentalis D. Brink; L. Mayer 1975-8-2 Plumas Buck's Lake. Comment
  RSA201299  Juncus occidentalis J. T. Howell 1960-7-20 35753 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  CDA43016  Juncus orthophyllus L. Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC52561  Juncus orthophyllus L. P. Janeway 1989-6-28 3409 Plumas Plumas National Forest. SW-facing slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. 1722 Comment
  CHSC116386  Juncus orthophyllus Sara M. Taylor; Scott Batiuk, Kendra Sikes 2012-7-17 44 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  CHSC72325  Juncus oxymeris L. P. Janeway 1998-9-10 6270 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
  CHSC65859  Juncus tenuis L. P. Janeway 1995-10-25 4950 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  JEPS122086  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SEINET3134322  Juniperus occidentalis E. K. Balls 1950-9-2 15661 Plumas Below turn to Nye Meadows on S slope of Mt Ingalls, N of Grizzly Val 2103 Comment
  UCD117475  Kalmia polifolia Lynn J. Gillespie 1982-5-23 s.n. Plumas ca. 3.5 miles northeast of Spanish Road, ca. 100 miles north of Snake Lake. 1219 Comment
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Mar 30 2016
  CHSC10864  Kalmia polifolia var. microphylla B. Castro; L. P. Janeway 2005-9-11 1518 Plumas Ca 5 air mi N of Bucks Lake and 2.5 mi S of Highway 70 and the Feather River Cyn, just N of Three Lakes. Ca 0.8 mi E of the Three Lakes trailhead, along the Pacific Crest Trail. At N edge of wide flat open fen in the middle of the Grassy Lakes. 1895 Comment
  CDA9313  Keckiella breviflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .264 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CAS-BOT-BC246163  Keckiella lemmonii M. S. Taylor 1982-8-10 4953 Plumas Along spur road off Seneca Road (306), ca. 2 air miles SW of Canyon Dam 1554 Comment
  CAS-BOT-BC246165  Keckiella lemmonii John Thomas Howell 1966-7-26 42001 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River, Sierra Nevada 609 Comment
  JEPS115206  Keckiella lemmonii Lowell Ahart, John Dittes 2009-7-15 16099 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  JEPS85636  Keckiella lemmonii W. L. Jepson 1939-7-31 19295 Plumas half-way between Meadow Valley and Buck's Valley (Spanish Peak, lower slopes); Spanish Peak 1524 Comment
  NY790347  Keckiella lemmonii J. T. Howell 1951-8-19 28174 Plumas Near Paxton 914.4 Comment
  POM181611  Keckiella lemmonii Unspecified 1874-09 s.n. Plumas Quincy. Comment
  JEPS113821  Kelloggia galioides Lowell Ahart, Josephine Guardino 2007-7-21 14372 Plumas Around pine trees, north of a large meadow, about 30 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC340356  Kyhosia bolanderi Anna Head 1921-8-14 s.n. Plumas Gray Eagle Meadow, Feather River Region Comment
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CAS-BOT-BC340432  Lactuca saligna M. S. Taylor 1982-9-7 5097 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  SJSU14463  Lactuca serriola N. A. Hopkins 1990-8-29 1636 Plumas Marble Hot Springs Rd 1493 Comment
  CHSC34881  Lagophylla ramosissima M. S. Taylor 1981-8-31 4252 Plumas S side of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  RSA59119  Lagophylla ramosissima E. K. Balls 1950-8-31 15523 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  SBBG119862  Lagophylla ramosissima L. Ahart, J. Dittes 2003-8-8 10483 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  CAS-BOT-BC341567  Lagophylla ramosissima Janet Jones 1980-7-14 196 Plumas Around Layman near Blairsden, Plumas National Forest 1280 Comment
  CAS-BOT-BC341571  Lagophylla ramosissima John Thomas Howell 1961-9-25 36965 Plumas Vinton 1506 Comment
  HSC14212  Lamium amplexicaule R. J. Vernimen 1963-5-4 47 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  SEINET5327322  Lathyrus pauciflorus subsp. brownii P. A. Lehenbauer 1786 Plumas Clover Creek, Plumas Nat. For. 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
  CHSC55694  Lathyrus sulphureus Steven Triano 1988-4-17 55 Plumas Along n side of Hwy. 89, ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  POM147073  Lathyrus sulphureus Alice Eastwood 1927-6-11 14458 Plumas Forest Lodge, near Greenville. Comment
  SD8716  Lathyrus sulphureus R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC321051  Layia glandulosa Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, N of Chilcoot 1706 Comment
  CAS-BOT-BC274338  Leersia oryzoides Lowell Ahart 1981-9-6 3116 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC527249  Lemna John Thomas Howell 1961-9-23 36854 Plumas Indian Valley, Sierra Nevada 1082 Comment
  CHSC97097  Lemna trisulca Lowell Ahart; Josephine Guardino 2007-7-21 14357 Plumas On and under water, 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
  UC1101263  Lemna trisulca Malcolm A. Nobs, S. Galen Smith 1949-8-20 1475 Plumas 9 mi s of Milford Road (on road between Beckwith and Milford, Willow Creek); Willow Creek Comment
  UC1586441  Lemna trisulca Vernon H. Oswald and Lowell Ahart 1991-7-30 4796 Plumas 6 air mi ene of Humbug Summit (12 air mi s of Chester, Big Springs on w side of Humbug Valley); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC245657  Lemna turionifera John Thomas Howell 1960-7-22 35868 Plumas Meadow pond, Drakesbad, Lassen Volcanic National Park 1828 Comment
  RSA52859  Lepidium campestre R. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy. 1067 Comment
  CAS-BOT-BC88836  Lepidium campestre John Thomas Howell; Gordon H. True 1967-6-11 42581 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  JEPS90388  Lepidium dictyotum var. acutidens Dean Wm. Taylor with Glenn Clifton 1990-6-26 11186 Plumas Dyson Lane ca. 1.5 mi e junction of road A23; Sierra Valley 1432 Comment
  CHSC40849  Lepidium perfoliatum K. R. Stern 1985-6-25 Plumas Vicinity of Blairsden. 1371 Comment
  UC569998  Lepidium perfoliatum E. Sawyer 1935-6-10 86 Plumas 2.5 mi ssw Sugarloaf; Sierraville Quad. 1493 Comment
  POM186840  Lepidium perfoliatum D. D. Keck 1663 Plumas Quincy, within a few meters of the main street. Northern Sierra Nevada. 1065 Comment
  RSA101402  Lepidium virginicum R. Weatherby 1955-8-4 1673 Plumas No Ear Bar. Middle Fork Feather River. 915 Comment
  CAS-BOT-BC60093  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  CDA32016  Lepidium virginicum var. pubescens L. Ahart, J. Dittes, J. Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  RSA754546  Lepidium virginicum var. pubescens L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CHSC97189  Leptosiphon ciliatus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13999 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
  CAS-BOT-BC342087  Leucanthemum vulgare John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2356 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  CHSC118668  Leucanthemum vulgare Chelsea Morgan; Wendy L. Boes 2015-5-20 2015003 Plumas Plumas National Forest. Located in Black Gulch, southwest of Forest Service road 24N29X, east of 24N95. UTM 662470 E, 4421842 N, NAD83 Zone 10N. 1280 Comment
  UC501393  Leucanthemum vulgare David D. Keck Jul 3 1932-Jul 5 1932 1622 Plumas road to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC508374  Leucocrinum montanum John Thomas Howell 1978-4-19 52864 Plumas Sierra Valley on Dyson Lane sw of Vinton, Sierra Nevada Comment
  RSA88431  Leucophysalis nana J. T. Howell 1951-6-27 27615 Plumas Jamison Creek 1829 Comment
  SEINET6170677  Leucophysalis nana A. A. Heller, P. B. Kennedy 1907-7-16 8875 Plumas Red Clover valley near Red Clover House. Comment
  CHSC21665  Leucothoe davisiae D. Brink; L. Mayer 1975-7-11 Plumas Bucks Lake. Comment
  CHSC32046  Leucothoe davisiae L. Ahart 1974-10-1 653 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, 1 mi n of Onion Valley. 1981 Comment
  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
  CHSC82355  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  UC1121019  Leucothoe davisiae G. T. Nordstrom 1934-7-3 183 Plumas 2 mi nw of Mount Ararat (Plumas National Forest); Plumas National Forest 1615 Comment
  JEPS109893  Lewisia cantelovii Dean W. Taylor 2004-8-14 19237 Plumas Feather River Canyon, North Fork Feather River, Caribou Road (Forest Road 21N26) 4.1 miles North from Highway 70 822 Comment
  JEPS115861  Lewisia nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15894 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  CAS-BOT-BC444178  Lewisia nevadensis John Thomas Howell; H. Keith Wagnon 1980-5-27 53625 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CAS-BOT-BC444564  Lewisia triphylla Lowell Ahart 1983-7-20 4198 Plumas About 1/4 mile east of the Feather Fork Mine, about 5 1/2 miles north of La Porte 180 Comment
  SD8148  Lewisia triphylla Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC283804  Leymus cinereus John Thomas Howell 1951-8-21 28237 Plumas Near Clio Comment
  CAS-BOT-BC451589  Lilaea scilloides John Thomas Howell 1963-6-4 39406 Plumas Marble Hot Springs, Sierra Valley Comment
  CAS-BOT-BC509320  Lilium kelleyanum John Thomas Howell 1960-7-21 35862 Plumas On trail to Little Willow Lake 1767 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
  CHSC100334  Lilium pardalinum subsp. shastense Lowell Ahart 2008-7-16 15086 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC133084  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge near Greenville, United States Forest Reserve Comment
  POM86186  Limnanthes alba Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81155  Limosella acaulis Lowell Ahart 2001-8-28 9199 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
  SEINET10548869  Limosella acaulis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5172 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
  JEPS102829  Limosella aquatica Lowell Ahart 2001-8-29 9228 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SJSU14211  Limosella aquatica N. A. Hopkins 1989-6-7 1524 Plumas drainage channel, Squaw Valley 1706 Comment
  CAS-BOT-BC416397  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas In vicinity of Cascade Comment
  SEINET6225249  Linum micranthum L. S. Rose 1967-1 67158 Plumas Mt Hough Rd, 2 mi NE of Quincy jct. Comment
  CHSC21542  Listera convallarioides L. Mayer; D. Brink 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC58205  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5031 Plumas Small corner of park property located along Warner Valley Rd. between Lee and Kelly camps. Lassen Volcanic National Park. 1597 Comment
  POM186546  Listera convallarioides D. D. Keck 1698 Plumas Quincy, in the northern Sierra Nevada. Water supply canyon to the left hand just south of town. 1067 Comment
  CHSC82273  Lithophragma F. T. Griggs; A. Pass 1975-7-1 6 Plumas East of Grizzly Creek. Buck's Lake. Comment
  JEPS103325  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir Dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  UCD102739  Lithophragma parviflorum Matt Georgeff 1992-5-18 22 Plumas Near Portola, right at Davis Lake turnoff, meadow on left at Davis Lake. 1615 Comment
  JEPS113784  Lithophragma parviflorum var. parviflorum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14059 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  CAS-BOT-BC110598  Lithophragma tenellum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1864 Plumas Butterfly Botanical Area and Vicinity. West of pond reseorvoir. 1036 Comment
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  RSA88609  Lithophragma tenellum John T. Howell 1951-6-28 27691 Plumas Eureka Peak 1982 Comment
  HSC20216  Lithophragma tenellum Jim Vaughn 1956-7-15 Plumas Boiling Springs Lake, near Mt. Lassen Natl. Park Comment
  UCD127599  Lomatium canbyi G. L. Stebbins 1982-6-14 C- 202 Plumas Diamond Mountain Ridge, south of Susanville. 2225 Comment
  CHSC35937  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola on the ridges below Beckwourth Peak. 1706 Comment
  UC1532354  Lomatium dissectum var. multifidum Vernon Oswald 1986-6-2 2079 Plumas 5.2 mi. s.w. of Hwy. 70 at Portola (Rd. A-15) 1524 Comment
  SEINET6225253  Lomatium macrocarpum L. S. Rose 1967-1 67154 Plumas Butterfly Valley, 3 mi W of Keddie. Comment
  UC54310  Lomatium nudicaule H. M. Hall and E. B. Babcock July, 1903 4441 Plumas Sierra Nevada Mts., Genesee Valley 1097 Comment
  JEPS113370  Lomatium plummerae Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13991 Plumas East side of an open rocky flat, 10 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS17009  Lomatium triternatum var. macrocarpum M. S. Baker and Frank Nutting 1894-7-6 Plumas Dixey Valley Comment
  UCD40291  Lonicera Rodney Gale Myatt 1971-6-13 756 a Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  UC102330  Lonicera interrupta Mrs. R. M. Austin July 1875 Plumas Comment
  CHSC100121  Lonicera involucrata var. involucrata L. P. Janeway; David Toren 2008-9-15 9597 Plumas Northern High Sierra Nevada. Plumas National Forest; along South Branch Middle Fork Feather River at Cascade Creek, 100 m upstream of the Road 22N95 bridge; 1.6 km northwest of Cascade. In sandy ground between the confluence of two creeks. 1068 Comment
  CAS-BOT-BC200953  Lotus Gladys L. Smith 1976-6-7 4550 Plumas Rte. 70, Spring Garden Station 6 miles east of Quincy 1219 Comment
  SEINET10451993  Lotus neoincanus Lowell Ahart, Peter Ahart 1985-7-1 Ahart 5095 Plumas About 1/2 mile east of Cement Creek, about 1/2 mile north of Onion Valley Creek, about 4 miles north-west of Pilot Park. Comment
  JEPS110519  Lotus purshianus var. purshianus Lowell Ahart 2006-10-23 13501 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  SEINET7098375  Lotus strigosus A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. (NAD 27) Comment
  JEPS102565  Ludwigia palustris Lowell Ahart 2001-10-16 9372 Plumas On the NW side of Round Valley Reservoir, just below the road, about 2 1/2 miles SW of Greenville. 1363 Comment
  SEINET8057821  Lupinus P. A. Lehenbauer 1937-5-30 s.n. Plumas On Feather River 60 miles north of Reno, near Feather River Inn Comment
  UC1542847  Lupinus albicaulis M. L. Conrad, LeDoux, and Kenney 1973-6-5 7050 Plumas off Hwy 70 Plumas National Forest (Plumas National Forest) 1066 Comment
  SEINET10544042  Lupinus albicaulis subsp. wolfianus J. C. Downey 1964-6-28 Downey 11 A Plumas Crescent mill. Host lupine (a) glabrous 1082 Comment
  RSA39741  Lupinus arbustus subsp. calcaratus P. A. Munz 1947-5-17 11822 Plumas 5 miles north of Chilcoot. 1524 Comment
  UC174571  Lupinus argenteus A. A. Heller with P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC208794  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-10 4620 Plumas SW of 23N72, ca. 1 mi W of Table Rock, ca. 3 air mi NE of Beckwourth 1554 Comment
  CHSC60090  Lupinus argenteus var. meionanthus L. P. Janeway 1990-7-20 3808 Plumas Plumas National Forest. Along Lake Davis Rd 1.4 mi NW of Hwy 70 and Portola. 1524 Comment
  CHSC60183  Lupinus argenteus var. meionanthus L. P. Janeway 1990-6-4 3695 Plumas Plumas National Forest. Little Long Valley, E-facing side of canyon; along rd 23N12 ca 0.6 mi N of jct with rd 23N51. 1722 Comment
  JEPS48891  Lupinus argenteus var. meionanthus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC196673  Lupinus breweri var. breweri Lloyd W. Swift 1931-6-1 55 Plumas Plumas National Forest. Wemple Meadows 1828 Comment
  SEINET10903406  Lupinus breweri var. breweri Mary Susan Taylor 1982-4-1 Taylor 4578 Plumas T26n r9e se1/4sw1/4 sec 6. Almanor ne quad. Corolla blue lopenings of mixed Coniferous forest, on n edge of spur rd (27n39) off 26n18, long valley mine Area, ca. 4 Mi. W of greenville. 5000 Ft. With arctostaphylos nevadensis, Senecil integerrimus. Comment
  SEINET10485026  Lupinus burkei Duane Isely, I. Isely 1971-7-13 Isely 11402 Plumas At sulphur creek, state #89, s blairsden, 15 mi. N intersection state #89 and 49, Plumas co., Calif. Along wet roadside ditch, agricultural area flowers bright violet. Comment
  SEINET10452631  Lupinus caudatus Mary Susan Taylor 1982-6-10 Taylor 4620 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  UCD169237  Lupinus confertus S. L. Welsh; N. D. Atwood 2001-6-13 28131 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  SEINET10937071  Lupinus confertus William E. Harmon 1969-8-18 Harmon 1563 Plumas Portola, 2 mi. W roadside in jeffrey pine forest. Comment
  CAS-BOT-BC215356  Lupinus dalesiae M. S. Taylor 1982-5-25 4521 Plumas In Sloat Fire area (1981), along N roadcut of 23N12 and upslope ca. 20 feet in McDermott Ravine and ravine just E, ca. 2 miles NE of Sloat 1402 Comment
  CAS-BOT-BC215366  Lupinus dalesiae M. S. Taylor 1982-6-16 4685 A Plumas Both sides of 24N13, 0.5 mile N of Spur Road to Little Volcano, ca. 4 air miles SE of Quincy 1676 Comment
  CAS-BOT-BC215404  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215416  Lupinus dalesiae Mrs. H. C. Cantelow 1949-6-10 s.n. Plumas Meadow Valley Comment
  CAS-BOT-BC215421  Lupinus dalesiae Walter & Irja Knight 1968-6-18 2334 Plumas Road between La Porte and Quincy 1859 Comment
  CHSC33999  Lupinus dalesiae M. S. Taylor; M. Foster 1981-6-3 3833 Plumas N side of rd 23N11, ca. 3 mi s of Happy Valley, near head of Cogswell Ravine, ca. 2 air mi e of Cromberg on Hwy 70. 1767 Comment
  CHSC34001  Lupinus dalesiae L. Ahart 1981-5-26 1130 Plumas Along the edge of the South Fork of the Feather River above Little Grass Valley Reservoir, ca. 1 mi above the reservoir. 1828 Comment
  CHSC36859  Lupinus dalesiae M. S. Taylor 1982-7-12 4818 Plumas Along Eureka Peak Rd, ca. 1.5 mi s of McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2164 Comment
  CHSC52430  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Cr. Ca 1.0 mi N of Hwy 70/89; vicinity of Long Valley, Sloat. 1417 Comment
  CHSC98991  Lupinus dalesiae Lowell Ahart 2008-6-5 14810 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/3 miles northeast of Little Grass Valley Reservoir. 1645 Comment
  NY15847  Lupinus dalesiae H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles east of Meadow Valley Inn near Quincy Comment
  RSA101414  Lupinus dalesiae R. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley. 2165 Comment
  SEINET8472530  Lupinus dalesiae D. W. Taylor 2002-6-19 18162 Plumas Minor drainage just S of Greenhorn Creek, ca 1 air mile E of the Williams Loop and Hwy 70, ca 400 feet due S of the marked quarter-corner. 1250 Comment
  UC1481290  Lupinus dalesiae M. L. Conrad, Dunn, and LeDoux 1973-6-5 7058 Plumas 5.2 mi w of jct of Hwy 70 and Meadow Valley Road in Quincy 1219 Comment
  UC170947  Lupinus dalesiae H. M. Hall 1912-7-6 9310 Plumas Nelson Creek (E. Branch); Sierra Nevada Mountains, Nelson Creek (E Branch) 1676 Comment
  SEINET10452037  Lupinus dalesiae Mary Susan Taylor, T. Ratcliff 1982-5-12 Taylor 4432 Plumas T23N R11E ne/se sec 17. Blue Nose Mt quad. E facing slope on open cut rdbank, on phyllite; w side of Peoria Cr Rd(23N10), 2.1-2.2 mi w of its jct with Poplar Cr bridge s of Sloat. 4400 ft. 1341 Comment
  SEINET10452040  Lupinus dalesiae Mary Susan Taylor 1981-6-15 Taylor 3904 Plumas T24N R8E ne/se sec 1, Bucks Lake NE quad; jct of 24N27 (a loop around Smith lake), ca. 2 mi N of its jct with Bucks Lake Rd, ca. 3 mi NE of Meadow Valley; elevation ca. 3800 ft. 1158 Comment
  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
  SEINET10485188  Lupinus dalesiae Taylor 1982-6-16 Taylor 4688 Plumas Spring garden quad. Open bare roadcut, west side of 24n13, .5 mi south of its Jct with quincy-laport rd, ca. 4 Air mi southeast of quincy. With allium Campanulatum. 1646 Comment
  SEINET10485190  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4541 Plumas T26n r9e e1/2sw1/4 sec 23. Greenville sw quad. On open phyllite dry rd Embankment, w side of dixie canyon rd (204), 1.2 mi n of its jct with hwy 89 at Moccasin. With lupinus onustus, rosa pinetorum. 1219 Comment
  SEINET10485203  Lupinus dalesiae Melvin L. Conrad 1981-7-12 Conrad 9482 A Plumas In meadow valley, ca 7 mi w of quincy, on s side of hwy in pine forest. Comment
  SEINET10841217  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4719 Plumas T23N R10E ne/nw sec 14. Blue Nose Mt quad. S side of 23N43Y, 2.4 mi w of its jct with Peoria Cr Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Sloat. 4600 ft. 1402 Comment
  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
  SEINET10490346  Lupinus grayi Mary Susan Taylor 1982-6-14 Taylor 4673 Plumas T25n r9e nw1/4 sec 4. Greenville sw quad. On ridge w of indian falls on hwy 89, In burn area (1980). 1311 Comment
  SEINET10490349  Lupinus grayi Mary Susan Taylor 1981-5-10 Taylor 3662 Plumas N side of Genesee Valley Rd, ca 4 mi W of Genesee. 1097 Comment
  SEINET7716854  Lupinus grayi Unknown Plumas American Valley Comment
  CHSC117792  Lupinus lepidus var. confertus B. Castro; Members of Plumas CRM reveg committee 2007-6-26 1652 Plumas Northern High Sierra Nevada. Plumas National Forest. Jordan Flat, on flood plain at confluence of Jordan Creek with Last Chance Creek. Ca 8.5 air mi SE of Milford, 4.8 mi SW of Hwy 395 and 10 mi NW of Doyle. 1773 Comment
  CHSC60094  Lupinus lepidus var. confertus L. P. Janeway 1990-7-25 3816 Plumas Plumas National Forest. Open grassy meadow flats on NE side of Middle Fork Feather River at Mohawk. 1325 Comment
  UC149982  Lupinus lepidus var. confertus Katharine Brandegee 1911-7-30 Plumas Portola Comment
  SJSU11971  Lupinus lepidus var. lobbii N. A. Hopkins 1973-6-15 539 Plumas by Old Gold L Rd near rd to Mills Peak fire Lookout, 1.5 mi E of Gold L. 2042 Comment
  CHSC110948  Lupinus lepidus var. sellulus L. P. Janeway 2013-8-28 11198 Plumas Northern High Sierra Nevada. Plumas National Forest; top of a low broad ridge between Tamarack Flat and South Branch Middle Fork Feather River. 1693 Comment
  CHSC56540  Lupinus lepidus var. sellulus L. P. Janeway 1984-7-13 911 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  UC566148  Lupinus lepidus var. sellulus E. Sawyer 1935-6-21 132 Plumas 4 1/2 mi nne Crow; Plumas National Forest, Sierraville Quad. Comment
  POM181087  Lupinus meionanthus P. B. Kennedy, A. A. Heller, B. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley Comment
  SEINET10907029  Lupinus onustus Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1091 Plumas Collected 2.2 mi from jct. Of hwy. 89 And 70. Douglas fir, libocedrus, and Quercus along hwy. 89. Comment
  SEINET10452646  Lupinus onustus Mary Susan Taylor 1982-5-27 Taylor 4542 Plumas T26N R9E e/se sec 23. Greenville SW quad. Mostly w side of Dixie Canyon Rd (204), 1.2 to 2 mi n of its jct with Hwy :89 at Mocassin. 4000-4400 ft. S of Greenville. 1219 Comment
  UC665312  Lupinus onustus Elmer I. Applegate 1934-5-3 8910 Plumas 2 mi n Quincy; n of Quincy Comment
  UC727035  Lupinus onustus A. A. Heller 1941-5-22 16141 Plumas about 2 mi n Quincy (The type came from Indian Valley, in this region); n of Quincy Comment
  UCD107461  Lupinus polyphyllus Tim Kuhn 2006-6-12 26 Plumas south of Frenchman Lake. Comment
  CHSC117550  Lupinus polyphyllus var. burkei Lowell Ahart 2016-7-9 21102 Plumas 40 yards south 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
  RSA414243  Lupinus sellulus subsp. sellulus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  UC726778  Lupinus stiversii A. A. Heller 1938-5-30 15131 Plumas along the Feather River near Bucks Creek powerhouse; along the Feather River near Bucks Creek powerhouse 609 Comment
  CHSC108043  Luzula cascadensis L. P. Janeway; B. Castro 2011-10-2 10756 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  JEPS103523  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CDA14765  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
  CHSC63704  Lycopus uniflorus Vernon H. Oswald 1994-9-6 6474 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  JEPS91052  Lycopus uniflorus Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11439 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen National Park, Little Willow Lake 1874 Comment
  RSA18611  Machaeranthera canescens var. shastensis C. B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  CAS-BOT-BC343788  Madia elegans A. A. Heller; P. B. Kennedy 1907-7-13 8828 Plumas Taylorville Comment
  CHSC79686  Madia glomerata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13266 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Adjacent to Bull Run Creek of USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  CHSC92184  Madia glomerata Lowell Ahart; John Dittes 2005-9-19 12401 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  JEPS40374  Madia glomerata W. L. Jepson 1939-8-16 19424 Plumas Dixie Valley 1767 Comment
  SBBG21778  Madia glomerata D. Myrick 1964-7-21 893 Plumas E of trail parking area, Drakesbad 1737 Comment
  SJSU13905  Madia glomerata N. A. Hopkins 1985-8-30 1327 Plumas Marble Hot Springs Rd near Marble Hot Springs, Sierra Valley 1524 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
  SEINET10474808  Madia glomerata Mary Susan Taylor 1982-8-9 Taylor 4958 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  CAS-BOT-BC343266  Madia gracilis Clare B. Hardham 1975-8-2 20473 Plumas Black Mt. 2133 Comment
  CHSC92180  Madia gracilis Lowell Ahart; John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1986 Comment
  RSA29224  Madia gracilis Joseph A. Ewan 1934-7-19 8241 Plumas Dentens, Mohawk Valley 1616 Comment
  UC579274  Madia gracilis E. Sawyer 1935-6-27 178 Plumas 3.7 mi n Hawks (river w of Beckwith); Plumas National Forest, Sierraville Quadrangle, Middle Fork 1676 Comment
  CAS-BOT-BC343256  Madia gracilis Clarence R. Quick 1934-7-4 s.n. Plumas Headwater of Clear Creek, Plumas National Forest Comment
  JEPS28639  Madia gracilis George W. Gillett 1957-7-19 843 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 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
  SEINET10475206  Madia gracilis subsp. gracilis Mary Susan Taylor 1982-9-13 Taylor 5131 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  RSA715611  Mahonia aquifolium L. Ahart, John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 647 Comment
  CHSC21800  Maianthemum racemosum F. T. Griggs; A. Pass 1975-8-1 412 Plumas Buck's Lake Forest Service Survey. Comment
  POM147069  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1927-6-11 14486 Plumas Forest Lodge, near Greenville. Comment
  CHSC40630  Malacothrix floccifera J. D. Jokerst 1984-5-19 2019 Plumas Canyon of the North Fork of Feather River along the edge of Hwy 70 across from the Rock Creek power house. Comment
  CAS-BOT-BC347522  Malacothrix floccifera J. T. Howell 1959-9-21 s.n. Plumas Slaty road-cut Feather R. Canyon at East Branch Comment
  RSA14301  Marah fabacea Mrs. R. M. Austin 1879-1 s.n. Plumas Big Meadow Comment
  JEPS124567 Image available Marrubium vulgare Reinhard Jockel 1969-6-26 4 Plumas On road side (A23) 2 miles N. of Sierra County Line. Comment
  CHSC34937  Matricaria discoidea M. S. Taylor 1981-5-11 3683 Plumas Around private residence, ca. 0.5 mi s of Flournoy Bridge and jct of Hwy 89 and Bechwourth turnoff, ca. 5 air mi e of Genesee. 1158 Comment
  UCD107734  Medicago lupulina Mrs. E. A. Jenkins 1928-8-8 1427 Plumas Meadow Valley. Comment
  CAS-BOT-BC269221  Melica aristata John Thomas Howell 1926-7-20 2082 Plumas Near Prattville 1463 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
  CAS-BOT-BC282084  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43338 Plumas Summit ridge of Mount Hough 2194 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
  CHSC91604  Melica fugax G. Douglas Barbe; T. C. Fuller 1982-7-16 3766 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CHSC112090  Melica subulata L. P. Janeway 2014-7-15 11521 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
  RSA201358  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  HSC100732  Mentha arvensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16243 Plumas Below the high water line of Lake Almanor, 1,849 ft. NW of Lake Almanor Dam. 1591 Comment
  CHSC24283  Mentha canadensis K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  SD46649  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  CHSC96851  Mentzelia albicaulis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13990 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97574  Mentzelia dispersa Lowell Ahart; John Dittes 2007-6-17 14172 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UCSB7058  Mentzelia dispersa Breedlove, Dennis 1962-6-12 Plumas Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  LA204231  Mertensia ciliata var. stomatechoides C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
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Mar 23 2015
  RSA77583  Mertensia ciliata var. stomatechoides F. W. Peirson 1926-6-21 6782 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  CAS-BOT-BC428604  Micranthes bryophora Rimo Bacigalupi 1927-7-7 1634 Plumas Long Lake Comment
  CHSC61710  Micranthes bryophora Vernon H. Oswald; Lowell Ahart 1993-8-25 5861 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Meadows, ca. 0.1 mi upstream from the S boundary of the park. 1987 Comment
  CAS-BOT-BC349334  Microseris nutans John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2086 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC41187  Microseris nutans J. D. Jokerst 1984-6-13 2044 Plumas South of Grizzly Creek ca 3-400 meters, ca 30 meters N. of USFS logging road (spur) 26N08C, ca 2 air miles E of Peacock Point. 1432 Comment
  RSA67642  Microsteris gracilis subsp. humilis Verne Grant, Alva Grant 1950-7-12 8931 Plumas Summit of ridge at Red Rock near Diamond Mt. between Susanville and Taylorsville 1524 Comment
  RSA550842  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1120 Plumas Just NE of bridge over North fork of Feather River, 2.0 mi NE of Elephant Butte Tunnel along Hwy 70 518 Comment
  JEPS124030  Mimulus breweri Lowell Ahart 2015-7-4 20278 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
  SEINET10570209  Mimulus breweri Lowell Ahart 1985-7-11 Ahart 5136 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
  SEINET12331910  Mimulus breweri Unknown 1985-1 5136 Plumas Little Grass Valley Reservoir, where South Fork of Feather River flows into lake, about 4.5 mi NE of 1585 Comment
  CDA14669  Mimulus guttatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3109 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  JEPS11553  Mimulus microphyllus W. L. Jepson 1910-6-16 4142 Plumas Quincy 1066 Comment
  UC149929  Mimulus moniliformis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  JEPS17619  Mimulus nanus var. mephiticus Rimo Bacigalupi 1955-7-22 5438 Plumas just off Feather River Highway (Alt. U. S. No. 40) (Rock Creek road (of PG&E)); Rock Creek 472 Comment
  JEPS96020  Mimulus nanus var. mephiticus Vernon H. Oswald and Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Qunicy Hwy.), northern High Sierra Nevada, Yellow Pine Forest. 1127 Comment
  UC1063128  Mimulus nasutus E. Sawyer 1935-6-11 97 Plumas 4 3/4 mi se East Butte; Sierraville Quadrangle Comment
  SEINET10570266  Mimulus pulsiferae Mary Susan Taylor 1981-6-19 Taylor 3932 Plumas T27N R7E ne/ne sec 10. Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89. 4500 ft elev. 1372 Comment
  SEINET10570269  Mimulus pygmaeus Mary Susan Taylor 1982-6-11 Taylor 4637 Plumas T27N R7E ne/ne sec 10. Almanor NW quad. Almanor Campground, between n part of cmpgr & rd, 0.5 mi e of Hwy 89; n of Prattville. 4500 ft. 1372 Comment
  UC1075732  Mimulus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas near Middle Fork Feather River; Bottle Springs 1615 Comment
  RSA324433  Mimulus torreyi Helen-Mar Wheeler 1944-8-23 s.n. Plumas Cascade Creek. 1250 Comment
  SEINET12326111  Mimulus torreyi W. Knight, Knight, I. 1983-1 4946 Plumas 4 mi N of Chester on road to Drakesbad 1394 Comment
  SEINET7718092  Monardella Unknown Plumas Big Meadows Comment
  CAS-BOT-BC221785  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Beckwourth Ranger District, Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  CHSC117563  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 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
  RSA7993  Monardella odoratissima subsp. glauca H. A. Barker 1927-7-3 771 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  SEINET10498941  Monardella odoratissima subsp. glauca Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3897 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  UC634862  Monardella odoratissima subsp. glauca H. L. Mason 1924-6-16 1043 Plumas near Graeagle (s banks of river); Feather River Comment
  CHSC67836  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-3 3112 Plumas N of Florintine Canyon adjacent to La Porte Rd., W of Johnstown. Comment
  CAS-BOT-BC222108  Monardella odoratissima subsp. pallida Clarence R. Quick 1963-7-24 63 -61 Plumas 1.5 miles east of Wheeler Peak Comment
  SEINET10902646  Monardella odoratissima subsp. pallida Mary Susan Taylor 1981-8-4 Taylor 4157 Plumas T28N R11E se 1/4 sw 1/4 sec 11. Diamond Mt. quad. On top of Red Rock Lookout, ca. 8 air mi NW of Antelope Lake, ca. 15 air mi ne of Taylorsville. Meta- volcanic andesite. 7596 m 2316 Comment
  SEINET10829413  Monardella sheltonii A. Graff 1993-7-22 Graff 301 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. Comment
  CHSC107423  Monardella stebbinsii L. P. Janeway; Peter Zika 2011-8-6 10637 Plumas Northern High Sierra Nevada. Plumas National Forest; Serpentine Canyon; steep rocky outcrops and talus serpentine slopes on north side of Hwy 70/East Branch North Fork Feather River, 2.9 road km east of the Rich Bar Overlook. 838 Comment
  CHSC59748  Monardella stebbinsii L. P. Janeway 1992-8-20 4290 Plumas North side of canyon of North Fork Feather River, in ravine above Hwy 70 across from the road down to Rich Bar. 914 Comment
  LA87863  Monardella viridis Elizabeth McClintock; 1968-8-1 sn Plumas between Belden and Caribou Comment
  UC1025104  Monolepis nuttalliana Leo Whitney 1934-8-25 1956 Plumas ca. 15 mi. n. Beckwith (near source of Willow Creek); Plumas Nat'l Forest 1950 Comment
  CHSC20989  Montia chamissoi F. T. Griggs; A. Pass 1975-7-11 160 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC444735  Montia chamissoi D. E. Breedlove 1962-6-12 3440 -A Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CHSC97570  Montia fontana subsp. chondrosperma Lowell Ahart; John Dittes 2007-6-17 14176 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC54412  Montia linearis Vernon H. Oswald 1991-7-8 4700 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the park boundary. Uncommon in moist soil in a patch of Veratrum on the edge of a meadow. 1676 Comment
  CHSC60552  Montia linearis L. P. Janeway 1992-5-14 4176 Plumas Plumas National Forest. Beckwourth Ranger District. Westside Compartment. North side of Big Grizzly Creek at nortwest end of Lake Davis. 1764 Comment
  CAS-BOT-BC445088  Montia linearis Mary Strong Clemens 1920-5-7 s.n. Plumas Greenville Comment
  RSA39891  Montia linearis P. A. Munz 1947-5-16 11837 Plumas 8 miles north of Chilcoot. 1524 Comment
  UC635320  Montia linearis H. L. Mason 1924-6-18 1052 Plumas n of Graeagle Comment
  SD8153  Montia verna Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CHSC54506  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1991-7-30 4797 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. Within the fence enclosure at the springs. 1310 Comment
  CHSC113887  Muhlenbergia richardsonis Lowell Ahart 2014-8-24 19793 Plumas On the silt flats on both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA252411  Muhlenbergia richardsonis R. F. Thorne 1969-9-6 39245 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  CHSC81352  Myosotis discolor L. P. Janeway 1996-5-20 4975 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  RSA726290  Myosotis discolor L. Ahart, John Dittes 2007-6-16 14108 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  RSA218997  Myosotis scorpioides J. L. Gentry Jr., David Vierig 1968-6-21 2084 Plumas 3.2 miles northwest of Hwy. jct. Calif. 89 & A15 on Calif. 89. 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
  CDA37312  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Sierra Valley, just east of Beckwourth; Middle Fork of the Feather River near County Road A23, just south of Hwy 70. 0 Comment
  SD130500  Myriophyllum sibiricum Fred Sommers 1976-8-10 200 Plumas Sierra Valley Marsh, from ditch along Dyson Lane. 1524 Comment
  SEINET13711172  Myriophyllum sibiricum Lowell William Ahart, Lowell William Ahart 2001-1 9278 Plumas Freeman Creek (T24N, R13E, S 30, NE 1/4) Comment
  JEPS1812  Nama aretioides var. multiflora L. S. Smith 1927-6-6 2042 Plumas road to Constantia , road to Constantia (East Soda Mts.) 1524 Comment
  CDA12051  Narthecium californicum G. F. Hrusa, J. Dinsdale 1989-6-27 7217 Plumas Sierra Nevada; Butterfly Botanical Area, Butterfly Valley approx. 10 miles NW of Quincy. Plumas National Forest. Comment
  UC1134644  Narthecium californicum A. E. Wieslander July 1929 126 Plumas Butterfly Exp. Area, Plumas Forest Plumas Forest, Susanville Quad., Butterfly Exp. Area Comment
  SEINET10546862  Navarretia Mary Susan Taylor 1974-7-3 Taylor 297 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET10832614  Navarretia Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3877 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  RSA726407  Navarretia breweri L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13996 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  SD46739  Navarretia breweri Robert J. Weatherly 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake, on exposed ridge 2194 Comment
  CHSC73422  Navarretia capillaris B. Castro; L. Gehrung, H. Durio 1995-9-19 627 A Plumas Tamarack Flat. Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow. 1706 Comment
  CHSC20842  Navarretia divaricata K. R. Stern 1975-7-23 5815 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC21318  Navarretia divaricata F. T. Griggs; A. Pass 1975-7-29 264 Plumas Buck's Lake. Comment
  CDA19244  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller 1982-6-17 3819 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS113462  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14015 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
  CHSC115157  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 Plumas Along the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  CHSC89328  Navarretia divaricata subsp. vividior G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3181 Plumas Sierra Nevada. 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  JEPS124119  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 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
  RSA718444  Navarretia intertexta L. Ahart 2006-7-9 12927 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
  UC908133  Navarretia intertexta Herbert L. Mason 1924-6-20 1081 Plumas near Gold Lake (along trail from Gold Lake to Graeagle Camp) Comment
  RSA31650  Navarretia intertexta A. A. Heller 1938-7-2 15233 Plumas Along the highway near the bridge over Spanish Creek just north of Quincy 1098 Comment
  SBBG21876  Navarretia intertexta D. Myrick 1964-7-20 880 Plumas Drakesbad-Mineral Rd 1524 Comment
  CHSC85675  Navarretia leptalea G. F. Hrusa; T. D. Wilfred 1996-7-23 13404 A Plumas Sierra Nevada. On old log landing at terminus of USFS 23N22D. [Original lat./long. on label is '39 53 N; 120 49 W']. 1630 Comment
  POM75730  Navarretia leptalea Marcus E. Jones 1897-7-5 10178 Plumas Prattville. 1372 Comment
  RSA718440  Navarretia leptalea L. Ahart 2006-7-9 12935 Plumas about 20 yards south of the paved basalt road, about 3 3/4 miles (air) nw of Tamarack Flat, about 5 3/4 miles (air) nw of Little Grass Valley Reservoir 1662 Comment
  UC908965  Navarretia leptalea subsp. leptalea Herbert L. Mason 1924-6-20 1086 Plumas Gold Lake Comment
  UC711954  Navarretia leptalea subsp. leptalea Roxana S. Ferris and Laura Lorraine 1941-8-9 10421 Plumas near village (Lake Almanor Public Camp); Lake Almanor Public Camp Comment
  SEINET10464823  Nemacladus capillaris A. Arthur Heller 1913-6-13 Heller 10841 Plumas Near Marston Station 1067 Comment
  JEPS7591  Nemacladus interior Rimo Bacigalupi with Richard Hauke 1954-7-15 4730 Plumas mouth of Rock Creek; North Fork Feather River Canyon 518 Comment
  CAS-BOT-BC231225  Nemophila parviflora var. austiniae Mary Strong Clemens 1920-5-20 s.n. Plumas Greenville Comment
  RSA32919  Nemophila pedunculata A. A. Heller 1942-5-8 16458 Plumas Base of a steep clay bank at the edge of the forest along State Highway #24, 2 miles west of Paxton. Comment
  UC726909  Nemophila pedunculata A. A. Heller 1942-5-8 16458 Plumas 2 mi w Paxton (along State Highway #24); w of Paxton Comment
  UC1070112  Nothocalais troximoides E. Sawyer 1935-5-22 23 Plumas 3/4 mi sw Beckwith City; Sierraville Quad. Comment
  CHSC4690  Nuphar lutea subsp. polysepala R. Carter 1966-7-10 484 Plumas Found 1/4 mi. S on intersection of Oroville- Quincy Rd. and 24N33 on S side Oroville-Quincy Rd. ca. 50 yds. off road in pond in open meadow. 1524 Comment
  RSA0013789  Nuphar lutea subsp. polysepala R. F. Thorne, C. W. Tilforth 1969-9-6 39228 Plumas Feather River, 1 mi. SW of Beckwourth. 1357 Comment
  CAS-BOT-BC400102  Nuphar polysepala Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS100317  Oenothera deltoides subsp. piperi Dean W. Taylor 2001-7-21 17846 Plumas Diamond Mountains, southerly end of the range ca. 4 air mile N of Chilcoot, along Forest Road 23N67, Plumas National Forest 1737 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
  UC1037289  Orobanche corymbosa subsp. corymbosa Leo Whitney 1934-8-15 1698 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. Comment
  CAS-BOT-BC500309  Orobanche uniflora subsp. occidentalis Lowell Ahart 1975-7-16 s.n. Plumas 2 mi NE of LIttle Grass Valley Res. 1828 Comment
  RSA0083210  Orthilia secunda L. Ahart 2008-9-10 15364 Plumas Both sides of East Branch Creek, east side of Quincy La Porte Road, about 1.75 air miles south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte 1594 Comment
  CAS-BOT-BC238431  Orthocarpus W. Harnach; N. Harnach 1990-6-13 374 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  CHSC33605  Orthocarpus cuspidatus subsp. cryptanthus M. S. Taylor; M. Foster 1981-6-10 3881 Plumas In Red Clover Valley, Overland Inc. Ranches, ca. 300 yds se of Corral, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckwourth. 1676 Comment
  UCR263560  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald, Lowell Ahart 1997-6-24 8627 Plumas Sierra Nevada Mountaisn, South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground 1994 Comment
  POM297716  Orthocarpus lacerus A. A. Heller, P. B. Kennedy 1907-7-6 8752 Plumas Red Clover Valley. Comment
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  RSA59403  Osmorhiza berteroi E. K. Balls 1950-9-8 15723 Plumas Lakes Center Public Campground. 2043 Comment
  UC1778629  Osmorhiza berteroi G. Douglas Barbe, T. C. Fuller 1982-7-15 3742 Plumas 2.1 miles NE of junctin with road to Red Hill Summit; on road bank, Plumas National Forest. 1524 Comment
  CHSC53111  Osmorhiza chilensis L. P. Janeway 1989-6-30 3443 Plumas Beckwourth Ranger District, Plumas National Forest. Along rd 24N49Y ca 0.4 mi W of Crocker cr and Beckwourth-Genesee Rd (6.8 mi N of Beckwourth and 0.3 mi N of Crocker Guard Station). 1798 Comment
  UCR115323  Osmorhiza chilensis G. D. Barbe, T. C. Fuller 1982-7-15 3742 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  UC337329  Osmorhiza occidentalis unknown 1889-6-26 Plumas Mohawk Valley Comment
  CAS-BOT-BC317149  Packera streptanthifolia Lowell Ahart 1983-8-17 4322 Plumas West of Pilot Peak, near Onion Valley, near the Quincy La Porte Road, NE of La Porte 2000 Comment
  CAS-BOT-BC10428  Paeonia brownii Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Lassen National Park Comment
  CAS-BOT-BC121006  Paeonia brownii Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region. 1920 Comment
  CAS-BOT-BC121014  Paeonia brownii Michael A. Vincent 1999-6-7 8518 Plumas Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  RSA641875  Paeonia brownii Michael A. Vincent 1999-6-7 8518 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11 Comment
  CAS-BOT-BC253746  Panicum capillare Lowell Ahart 1981-9-6 3078 Plumas 1.5 miles SW of Crescent Mills 1200 Comment
  SEINET10509156  Panicum lassenianum Willis L. Jepson 1910-6-6 Jepson 4082 Plumas Devil's Kitchen, Hot Spring Valley Comment
  CAS-BOT-BC175582  Parnassia palustris Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SJSU13870  Parnassia palustris N. A. Hopkins 1985-8-27 1323 Plumas Grass Lake 1786 Comment
  CAS-BOT-BC175577  Parnassia palustris Lowell Ahart 1981-7-21 2950 Plumas Near Dixon Creek, north of Pilot Peak 1600 Comment
  CHSC58517  Pectiantia breweri Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5044 b Plumas Near the entrance gate to Elwell Lodge at the S end of Lakes Basin Campground, S margin of Grass Lake, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC41378  Pedicularis attollens Lowell Ahart 1986-7-8 5360 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  UC1609194  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  POM183422  Pedicularis aurantiaca L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  RSA112884  Pedicularis aurantiaca E. F. Sprague 1957-5-30 1214 Plumas 4.2 miles west of Mineral. Lake Almanor. 1311 Comment
  SD6610  Pedicularis densiflora Mrs. R. M. Austin 1880-1 Plumas Bis Meadows Comment
  RSA845222  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [No location data on label. Possibly Trinity County.] Comment
  CDA13999  Pedicularis groenlandica G. F. Hrusa, T. D. Wilfred 1997-6-26 13916 Plumas Sierra Nevada; immed. E of Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  RSA101431  Pedicularis groenlandica R. Weatherby 1955-6-26 1559 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  JEPS3405  Pedicularis racemosa W. L. Jepson 1939-8-16 19449 Plumas Buck's Valley 1584 Comment
  HSC93239  Pedicularis racemosa Vernon H. Oswald, L. Ahart 1996-8-14 8167 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1646 Comment
  JEPS3362  Pedicularis racemosa J. Ewan 1934-7-20 26 Plumas near Edmanton Comment
  CHSC21297  Pedicularis semibarbata F. T. Griggs; A. Pass 1975-7-29 258 Plumas Buck's Lake Forest Service Survey. Comment
  CDA13577  Pellaea brachyptera G. F. Hrusa, T. D. Wilfred 1996-8-23 13526 Plumas Sierra Nevada; Below Lava Peak immediately above Long Valley Creek along USFS 12E19 Pack Trail. N of Hwy 70 about 15 m. E of Quincy. Comment
  SD134590  Pellaea brachyptera J. G. Lemmon May 1880 Plumas Sierra Valley Comment
  CAS-BOT-BC69353  Pellaea brachyptera Clarence R. Quick 1952-6-29 52 -83 Plumas 1/2 miles south of summit on road between Belden and Humbug Valley Comment
  SEINET11713793  Pellaea brachyptera R. M. Austin n d s.n. Plumas no further locality Comment
  CAS-BOT-BC69369  Pellaea breweri Clare B. Hardham 1970-8-9 17716 N Plumas Road to Thompson Peak Lookout 2286 Comment
  CAS-BOT-BC67612  Pellaea bridgesii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake region Comment
  CHSC50982  Pellaea bridgesii Lowell Ahart 1990-7-16 6568 Plumas On the north side of the South Fork of the Feather River, about 1/2 mile north-east of the Independent Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  UCSB6173  Penstemon deustus Crosswhite, F.; Russell, N. 1960-6-8 Plumas Plumas National Forest; 1 mi. S Indian Falls 1158 Comment
  POM161709  Penstemon deustus subsp. deustus R. C. Bacigalupi 1927-7-7 1645 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  RSA189326  Penstemon deustus subsp. deustus L. S. Rose 1967-7-12 67173 Plumas 1 mile S of Keddie; Butterfly Creek and Spanish Creek. 884 Comment
  RSA43303  Penstemon deustus subsp. deustus W. I. Follett, E. B. Follett 1948-6-1 s.n. Plumas North Fork Feather River, 1.3 mi below Chip Creek. Comment
  UC1012472  Penstemon deustus var. deustus Francis W. Pennell 1940-6-11 25807 Plumas Route 89, 7 mi s Greenville; s of Greenville 1188 Comment
  CHSC40245  Penstemon deustus var. pedicellatus K. R. Stern 1985-6-25 8198 Plumas Meadow, vic. Blairsden. 1371 Comment
  UC1567369  Penstemon deustus var. pedicellatus G. Schoolcraft 1989-7-3 1937 Plumas s Red Rock Lookout; Diamond Mtns. 2194 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
  UC1063169  Penstemon gracilentus C. G. Albertus 1935-8-13 265 Plumas Mt. Ingalls Plumas National Forest, Downieville Quadrangle, Mt. Ingalls 2553 Comment
  POM265740  Penstemon gracilentus H. C. Cantelow 1941-7-20 s.n. Plumas 10 miles south of Quincy, on road to La Porte. 1982 Comment
  UC1949178  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt peak ca 7 airmiles S of Susanville; below snowbank on N face Comment
  UC2027984  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt Peak ca. 7 air miles S of Susanville. Comment
  UC1585968  Penstemon laetus Barbara Ertter with Gary Schoolcraft 1989-7-3 8656 Plumas ca. 8 air mi s Susanville (ridge between Red Rock and Diamond Mt.); ridge btw Red Rock and Diamond Mt., s of Susanville 2225 Comment
  NY887982  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  UC423644  Penstemon neotericus David D. Keck 1930-7-24 958 Plumas halfway between Chester and Westwood; Sierra Nevada; between Chester & Westwood, Plumas Co. 1463 Comment
  CHSC10746  Penstemon newberryi Lowell Ahart 1968-6-29 Plumas Three miles N. E. of La Porte. 1066 Comment
  POM255945  Penstemon newberryi subsp. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit, Sierra Nevada. Comment
  CAS-BOT-BC239296  Penstemon newberryi var. berryi H. C. Cantelow 1938-7-5 2328 Plumas Flatiron Ridge, Drakesbad Comment
  CAS-BOT-BC239301  Penstemon newberryi var. berryi Gladys L. Smith 1976-6-7 4590 Plumas Central area of summit ridge, secondary road from Rte. 70 to La Porte 1950 Comment
  HSC101691  Penstemon newberryi var. newberryi Dillon North Davis 2013-5-26 5 Plumas Along southeast bank of Gold Lake 2100 Comment
  LA209545  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  NY627387  Penstemon newberryi var. newberryi R. J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area. 1981.2 Comment
  UC306804  Penstemon newberryi var. newberryi unknown 1918-7-24 Plumas Peak above Mud Lake; Sierra Nevada, above Mud Lake Comment
  CAS-BOT-BC245640  Penstemon personatus Lowell Ahart 1980-7-27 2488 Plumas 5 miles east of Bucks Lake, Sierra Nevada 1500 Comment
  OBI83016  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
  CDA13929  Penstemon roezlii G. F. Hrusa 1997-5-3 13854 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
  CHSC10844  Penstemon roezlii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  JEPS15328  Penstemon roezlii A. Lewis 1934-7-25 521 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  SEINET4207728  Penstemon roezlii Mikel R. Stevens 2011-8-27 217 Plumas 8 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.1 rd miles beyond Fingeboard Rd. Ca 8 air miles S of East Quincy.; 0 1930 Comment
  CDA19271  Penstemon rydbergii var. oreocharis G. D. Barbe, T. C. Fuller 1982-6-17 3838 Plumas Plumas National Forest; East shore Frenchman Lake, Crystal Fishing Access. 1706 Comment
  POM43437  Penstemon rydbergii var. oreocharis Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek. 1524 Comment
  UCD124271  Penstemon rydbergii var. oreocharis Michael A. Vincent 1999-6-7 8523 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CHSC63180  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas On the north side of the Pacific Crest Trail, about 1 mile west of Pilot Peak, about 1/4 mile east of Quincy La Porte Road. 1950 Comment
  HSC22869  Penstemon speciosus John Pratt 1970-6-15 21 Plumas Chester Airport Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  SBBG128056  Perideridia lemmonii L. Ahart, J. Dittes 2009-7-28 16203 Plumas NW side of a logging rd, seeps, slope NW of mine, W (above) Forest Service Rd 27N28Y, 2.9 mi NW of Butt Valley Reservoir Dam 1581 Comment
  UC1389932  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5914 Plumas on Hwy 89 1.5 mi n Greenville Comment
  CHSC21812  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-7-30 Plumas Bucks Lake Forest Service Survey. Comment
  UC1776799  Perideridia parishii subsp. latifolia G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13240 Plumas Sierra Nevada - Plumas National Forest; Hillside adjacent to headwaters of Bull Run Creek off USFS 23N12E 2000 Comment
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Aug 20 2009
  CAS-BOT-BC413567  Persicaria amphibia Robert J. Weatherby 1950-7-7 1463 Plumas Snake Lake, Quincy 1219 Comment
  CAS-BOT-BC419239  Persicaria maculosa John Thomas Howell 1951-8-19 28194 Plumas Greenville 1097 Comment
  CAS-BOT-BC330387  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1963-5-18 s.n. Plumas Thompson Creek. Bside La Parte Road, 2.9 miles S and E of its junction with Hwy 89 1139 Comment
  RSA133987  Phacelia hastata subsp. hastata L. R. Heckard, R. C. Bacigalupi 1951-8-8 186 Plumas Sierra Valley, near Chilcoot. 1524 Comment
  UC1778644  Phacelia hastata subsp. hastata G. Douglas Barbe, T. C. Fuller 1982-7-15 3737 Plumas 2 miles below summit on return from Red Hill, near junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F), Plumas National Forest. 1676 Comment
  RSA170282  Phacelia heterophylla subsp. virgata W. L. Jepson 1910-6-16 4138 Plumas Near Keddie 1067 Comment
  JEPS21180  Phacelia humilis var. humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  RSA39781  Phacelia linearis P. A. Munz 1947-5-16 11819 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC45843  Phacelia mutabilis Lowell Ahart 1979-7-18 1977 Plumas Along the banks of Onion Valley Creek, Onion Valley, just east of Quincy La Porte Road before it crosses the creek, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1645 Comment
  CHSC55713  Phacelia mutabilis K. R. Stern 1985-6-25 8207 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC84945  Phacelia mutabilis Lowell Ahart 2003-10-26 10680 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  JEPS114528  Phacelia mutabilis Lowell Ahart 2008-8-14 15194 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
  UC614676  Phacelia mutabilis L. Constance 1938-6-10 2313 Plumas Prattville Lake Almanor (w edge of lake) 1219 Comment
  JEPS26735  Phacelia mutabilis P. C. Hutchison 1961-6-9 2109 Plumas hwy US Alt. 40 at bridge 2 mi s (below) Rich Bar; canyon of the North Fork of the Feather River Comment
  CDA13345  Phacelia procera G. F. Hrusa, T. D. Wilfred 1996-7-9 13193 Plumas Sierra Nevada; Grizzly Campground, S of Bucks Lake on Hwy 162. Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  CAS-BOT-BC265830  Phalaris arundinacea John Thomas Howell; Gordon H. True 1967-7-9 43243 Plumas North Fork of Feather River at Belden, Sierra Nevada 685 Comment
  SEINET13709913  Phalaris arundinacea Lowell William Ahart, Lowell William Ahart 2001-1 9191 Plumas Near Strand of Lake Almanor, S of Jct. to Rd. to Last Chance Marsh and Poor Rd. to Causway of Hwy 36, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CHSC21302  Philadelphus lewisii F. T. Griggs; A. Pass 1975-7-8 123 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC250777  Phleum alpinum Leo Whitney 1934-8-6 2242 Plumas Nw. end of Grizzly Valley, Freeman Creek Comment
  JEPS113676  Phleum alpinum Lowell Ahart, Josephine Guardino 2007-7-20 14342 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CDA2313  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor Comment
  CHSC55645  Phleum pratense K. R. Stern 1985-6-25 8307 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS115907  Phleum pratense Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16115 Plumas North of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  UC1132467  Phleum pratense C. G. Albertus 1935-8-20 204 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quad., sw of Lava Peak Comment
  CDA18663  Phlox diffusa G. D. Barbe, T. C. Fuller 1982-6-15 3716 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC1302  Phlox diffusa J. Gulick 1929-5-15 Plumas Near Chester. 1524 Comment
  UC908606  Phlox gracilis Herbert L. Mason 1924-6-18 1049 Plumas near Feather River; Graeagle Comment
  CHSC52387  Phoenicaulis cheiranthoides L. P. Janeway 1989-6-30 3441 Plumas Plumas National Forest. Slope just above Crocker Cr ca 0.6 mi N of Crocker Meadow and Crocker Guard Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  UCR263621  Phoradendron libocedri Lowell Ahart 1994-7-28 7533 Plumas north-east of Frenchman Hill, south-west of Bucks Lake 1707 Comment
  CAS-BOT-BC140522  Physocarpus John Thomas Howell 1959-9-24 34938 Plumas Butterfly Creek near mouth Comment
  UC1351093  Pinus contorta subsp. murrayana E. Fritz 1936-6-21 8206 Plumas Flat 1722 Comment
  POM181869  Pinus contorta var. murrayana J. G. Lemmon 1889-06 s.n. Plumas Sierra Valley Comment
  RSA795725  Pinus contorta var. murrayana L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC78690  Pinus jeffreyi John Thomas Howell 1962-6-17 37691 Plumas Portola 1463 Comment
  UC1219839  Pinus jeffreyi R. A. Cockrell 1940-7-31 8553 Plumas Meadow Valley Meadow Valley (rock ridge) 1676 Comment
  SEINET10530759  Pinus jeffreyi Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC73079  Pinus lambertiana M. B. Kildale 1926-9-11 2761 Plumas Lassen Natl. Park, Juniper Lake. 2054 Comment
  CAS-BOT-BC78948  Pinus monticola Lewis S. Rose 1932-9-6 32625 Plumas Wade Lake 1981 Comment
  OBI69215  Pinus monticola Kristina L. Schultz, Dan Schultz 2000-11-4 9 Plumas Gold Lakes Basin. Located along N shore of Gold Lake, gold Lake rd off of hwy 89 1951 Comment
  RSA59457  Pinus monticola E. K. Balls 1950-9-2 15653 Plumas Slightly below Mt. Ingalls Lookout on south slope, north of Grizzly Valley. 2485 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
  SEINET10530535  Pinus monticola Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC79048  Pinus ponderosa Mrs. Austin s.n. Plumas unspecified Comment
  CDA14706  Piperia unalascensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3210 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC228014  Plagiobothrys W. Harnach; N. Harnach 1989-4-16 030 Plumas Sierra Valley. 3/4 mile W of Steel Bridge on Marble Lane 1487 Comment
  JEPS102656  Plagiobothrys cognatus Lowell Ahart 2001-8-29 9231 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC29036  Plagiobothrys cusickii J. D. Jokerst 1979-6-23 263 Plumas At the S edge of Meadow Valley. Comment
  CAS-BOT-BC230961  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37746 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CAS-BOT-BC230977  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  RSA101453  Plagiobothrys scouleri var. hispidulus R. Weatherby 1955-7-2 1585 Plumas Wilcox Valley. 1768 Comment
  JEPS102654  Plantago major Lowell Ahart 2001-8-29 9252 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS113428  Plantago major Lowell Ahart, John Dittes 2007-6-17 14183 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
  SEINET9171248  Plantago major W. Harnach, N. Harnach 1990-6-27 423 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and railroad tracks. 1487 Comment
  RSA508638  Platanthera leucostachys Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  CHSC37026  Plectritis brachystemon M. S. Taylor 1982-5-4 4403 Plumas N side of Bucks Lake Rd, at its jct with Spanish Ranch Rd (25n17), ca. 1/2 mi ne of Meadow Valley. 1127 Comment
  CAS-BOT-BC254610  Poa X limosa John Thomas Howell 1967-6-23 42672 Plumas Canyon of Butterfly Creek 975 Comment
  POM113569  Poa annua Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CAS-BOT-BC244348  Poa annua John Thomas Howell 1959-9-22 34864 Plumas Drakesbad 1737 Comment
  JEPS102737  Poa bolanderi Lowell Ahart 2001-7-17 8897 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC33877  Poa bulbosa M. S. Taylor 1981-5-11 3684 Plumas Around private residence, ca. 1/2 mi s of Flournoy Bridge and jct of Hwy 89 and Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1158 Comment
  CHSC97141  Poa bulbosa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14057 Plumas Open rocky flat, about 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC255096  Poa compressa Mary S. Clemens 1920-6-30 5 Plumas Greenville Comment
  CAS-BOT-BC246854  Poa nemoralis J. T. Howell 1977-6-21 52386 Plumas Seneca 1097 Comment
  CAS-BOT-BC247274  Poa palustris John Thomas Howell 1961-9-25 36944 Plumas Feather River bed, Portola 1478 Comment
  CHSC56901  Poa palustris L. P. Janeway 1991-8-4 4120 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  CDA2372  Poa pratensis subsp. pratensis L. Ahart, J. Dittes, Robert A. Schlising, J Guardino 2004-7-3 11165 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. Comment
  CDA12084  Poa secunda G. F. Hrusa, G. L. Webster 1989-5-1 7025 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  CAS-BOT-BC242971  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  SEINET7862572  Poa secunda subsp. secunda W. Harnach, N. Harnach 2000-5-20 888 Plumas Sierra Valley, Approx 2.5 road miles N of Sierra/Plumas Co. line on A23, midway between County Rd A-23 and the Sharkey Cemetery. 1512 Comment
  UCD32540  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  UCD92021  Poa secunda subsp. secunda Gladys L. Smith 1959-6-20 1255 Plumas Plumas-Sierra County Line: Sierra Nevada. Gold Lake to Feather River route. 1828 Comment
  SEINET7294128 Image available Poa secunda subsp. secunda John Thomas Howell 1962-1 37773 Plumas Sierra Valley near Beckwourth, .75 mi. sw. of B. on road to Sierraville. 1487 Comment
  CHSC112085  Poa sierrae L. P. Janeway; Oswaldo Angulo 2014-9-2 11578 Plumas Northern High Sierra Nevada. Plumas National Forest; Cleghorn Bar campground, along the south edge of Middle Fork Feather River. 945 Comment
  UCD91988  Poa sierrae John Thomas Howell; Gordon H. True 1969-4-8 45483 Plumas 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  UCD91589  Poa wheeleri August L. Hormay 1932-6-11 s.n. Plumas middle fork of the Feather River, 10 miles northeast of Quincy. Comment
  UCD52763  Podagrostis humilis John Thomas Howell 1960-7-23 35955 Plumas near Soda Springs, Drakesbad. 1676 Comment
  JEPS108582  Polemonium californicum L. P. Janeway, B. Castro 2005-9-11 8545 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail about 0.6 km north of Three Lakes 1899 Comment
  CHSC109727  Polemonium occidentale subsp. occidentale B. Castro 2005-10-20 1530 Plumas High Sierra Nevada. Lake Davis/Grizzly Dam, ca 5 air mi N of Portola. On NNE-facing slope overlooking Big Grizzly Creek, ca 1000 ft downstream (SE) of dam and E of the main Lake Davis Rd (USFS Rd 24N07). 1734 Comment
  CAS-BOT-BC167539  Polygala cornuta var. cornuta John Thomas Howell 1966-7-26 42003 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CHSC20756  Polygonum aviculare K. R. Stern 1975-7-24 5874 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC37701  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  UC1136114  Polygonum bistortoides E. Sawyer 1935-6-17 121 Plumas 5 1/2 mi sse Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC414545  Polygonum douglasii Clare B. Hardham 1978-8-11 21777 b Plumas About 5 miles se. of Thompson Peak Comment
  CAS-BOT-BC414543  Polygonum douglasii L. W. Swift 1934-7-5 93 Plumas Plumas National Forest. Gibsonville Grade 1950 Comment
  CHSC62484  Polygonum douglasii subsp. douglasii L. P. Janeway 1993-8-5 4498 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. 1623 Comment
  CHSC65381  Polygonum douglasii subsp. douglasii Lowell Ahart 1995-9-13 7624 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC70271  Polygonum douglasii subsp. douglasii B. Castro; R. Zebell 1989-8-9 377 Plumas Ca 6 air mi S of Bucks Lake, at edge of dirt road through Arkansas Ravine, ca 0.5 mi E of USFS Rd 23N18 across from Hardquartz Mine. 1524 Comment
  CHSC83605  Polygonum douglasii subsp. douglasii John Dittes 2002-7-17 2 -25 Plumas Northern High Sierra Nevada; Plumas National Forest, Hartman Bar Ridge, ca. 7 air miles west of Little Grass Valley Reservoir, ca. 4 air miles north of Cascade. East of FS Road 22N05, ca. 0.4 mile north of FS Road 22N94. At edge of meadow. 1584 Comment
  UC466033  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1896 467 Plumas Big Meadows Comment
  CHSC20806  Polygonum douglasii subsp. johnstonii K. R. Stern 1975-7-23 5843 Plumas W shore of Lake Almanor. 1371 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
  UC1561195  Polygonum lapathifolium Barbara Ertter 1988-10-21 8005 Plumas e end of causeway ca 1.5 mi e Chester (on Hwy 36); Lake Almanor 1341 Comment
  CHSC32014  Polygonum minimum L. Ahart 1974-8-3 578 Plumas In small meadow above Hopkins Creek near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  CHSC45863  Polygonum minimum Lowell Ahart 1974-8-15 605 Plumas Near McRae Meadows, west of Johnsville. 1828 Comment
  JEPS106304  Polygonum parryi Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  CAS-BOT-BC419891  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas East of Beckwourth Butte, Sierra Valley Comment
  CHSC101862  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15896 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area. 1421 Comment
  CAS-BOT-BC420049  Polygonum polygaloides subsp. kelloggii D. E. Breedlove 1962-6-12 3432 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC420057  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-19 37865 A Plumas Sierra Valley, 5.8 miles e. of Beckwourth 1493 Comment
  UC1585940  Polygonum sawatchense subsp. oblivium Barbara Ertter with Gary Schoolcraft 1989-7-3 8642 Plumas ca 1/2 mi below Red Rock lookout (ca 8 airmi s of Susanville) 2133 Comment
  CAS-BOT-BC420211  Polygonum sawatchense subsp. sawatchense Clare B. Hardham 1978-8-11 21777 a Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC97284  Polygonum shastense Lowell Ahart; John Dittes 2007-8-9 14444 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC421044  Polygonum spergulariiforme Clare B. Hardham 1978-8-12 21818 Plumas West of Bagley Pass 2072 Comment
  CHSC21314  Polystichum imbricans F. T. Griggs; A. Pass 1975-7-8 122 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS124291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas About 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  SD9753  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin 1876-1 Plumas Comment
  CAS-BOT-BC72352  Polystichum imbricans subsp. imbricans Clarence R. Quick 1952-6-29 52 -84 Plumas 1.2 miles south of summit on road between Belden and Humbug Valley Comment
  CAS-BOT-BC76708  Polystichum lemmonii M. S. Taylor 1980-9-27 3348 Plumas Ca. .25 mi S of Bucks Lake-Spanish Ranch Rd., ca. 0.25 mi. E of Frenchman Hill, ca. 20 mi. SW of Quincy. Bucks Lake Quad 1645 Comment
  CHSC84937  Polystichum scopulinum Lowell Ahart 2003-10-17 10647 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  UC185196  Polystichum scopulinum Mrs. Carlotta C. Hall 1912-7-19 9367 Plumas near Nelson Point Schoolhouse (Middle Fork Feather River) 1219 Comment
  SEINET10349453  Populus trichocarpa D. Nyquist 1960-5-20 34 Plumas Quincy. Comment
  CHSC85001  Porterella carnosula L. P. Janeway; B. Castro 2003-9-7 7985 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. 2063 Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  CHSC54427  Potamogeton gramineus Vernon H. Oswald 1991-7-17 4745 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  CAS-BOT-BC453709  Potamogeton illinoensis R. F. Thorne; C. W. Tilforth 1969-9-6 39250 Plumas Along Feather River; 1 mi. SW of Beckwourth. 1356 Comment
  SJSU14713  Potentilla biennis N. A. Hopkins 1991-6-26 1687 Plumas Marble Hot Springs Rd 1524 Comment
  RSA462458  Potentilla biennis Rockwell 1925-07 s.n. Plumas Beckwourth Comment
  CHSC87995  Potentilla breweri Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11167 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
  CDA13350  Potentilla glandulosa G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13199 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC20763  Potentilla glandulosa K. R. Stern 1975-7-24 5888 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC89324  Potentilla glandulosa G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3146 a Plumas Sierra Nevada. 3.25 mi west of Round Valley Reservoir Dam, 0.25 mi east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  CHSC108122  Potentilla gracilis var. fastigiata Lowell Ahart 2011-9-20 17682 -A Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  JEPS113533  Potentilla gracilis var. fastigiata Lowell Ahart, Josephine Guardino 2007-7-20 14333 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC540081  Potentilla gracilis var. fastigiata Anna Head 1921-8-5 s.n. Plumas Near Gold Lake 1981 Comment
  CAS-BOT-BC540408  Potentilla gracilis var. fastigiata John Thomas Howell 1973-7-10 49746 Plumas Sierra Nevada, near Greenville 1097 Comment
  RSA123350  Potentilla gracilis var. fastigiata E. Sawyer 1935-7-9 284 Plumas 3.75 miles SSW of Crow 2073 Comment
  JEPS102824  Potentilla rivalis Lowell Ahart 2001-8-29 9236 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS113532  Potentilla rivalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14034 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS87119  Potentilla rivalis L. P. Janeway 1992-11-4 4320 Plumas ca 0.3 mi w Bagley Pass Road (nw side of Lake Davis, at the end of Mosquito Slough Road (24N54Y), Beckwourth Ranger District, Westside Compartment); Plumas National Forest, Grizzly Valley Quad. 1755 Comment
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Feb 13 2007
  CHSC58197  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1992-6-22 5018 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. On the roadway. 1767 Comment
  CHSC97632  Poteridium annuum Lowell Ahart; John Dittes 2007-6-17 14195 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC47622  Primula suffrutescens Wayne Roderick 1967-8-5 s.n. Plumas Luther Ridge, Plumas-Sierra County line 2133 Comment
  CHSC52059  Prunella vulgaris var. lanceolata L. P. Janeway 1990-7-6 3780 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  JEPS23731  Prunella vulgaris var. lanceolata John Warren Duffield 1937-7-25 Plumas Little Schneider Creek near Meadow Valley; Little Schneider Creek, near Meadow Valley 1249 Comment
  CAS-BOT-BC159819  Prunus andersonii Alice B. Chittenden 1814-1-1 s.n. Plumas Quincy Comment
  CAS-BOT-BC158154  Prunus emarginata Enid A. Larson 1971-6-18 s.n. Plumas Packers corral at Onion Valley Comment
  CHSC37635  Prunus virginiana var. demissa T. B. Devine 1979-10-5 601 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi E of its junction with the E branch of the N Fork. 792 Comment
  CAS-BOT-BC356964  Pseudognaphalium canescens John Thomas Howell 1976-7-16 51918 Plumas Just east of Bucks Summit on road to Meadow Valley 1645 Comment
  RSA0105543  Pseudognaphalium thermale Lowell Ahart 2014-8-24 19763 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air), north of La Porte. 1533 Comment
  CAS-BOT-BC361677  Pseudognaphalium thermale John Thomas Howell 1961-9-23 36892 Plumas Englemine [Engel Mine] 1097 Comment
  CHSC81360  Pseudostellaria jamesiana L. P. Janeway 1996-5-13 4966 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  JEPS87622  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas about 3/4 mi (air) se Pilot Peak (on Bunker Hill Ridge, on n side of Pacific Crest Trail); n side of Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  JEPS106031  Pseudostellaria sierrae Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  NY63903  Pseudotsuga menziesii var. menziesii H. E. Brown 1897-8-15 674 Plumas Near Lassen Buttes 1828.8 Comment
  CAS-BOT-BC362001  Psilocarphus tenellus John Thomas Howell 1962-6-18 37761 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC72611  Pteridium aquilinum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1592 Plumas Fern Glen. 1097 Comment
  UCD136189  Pteridium aquilinum var. pubescens James I. Mallory 1969-8-21 355 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET5715485 Image available Pteridium aquilinum var. pubescens James I. Mallory 1969-1 355 Plumas 1.5 miles NNW of Camel Peak and 9 miles WNW of La Porte, Plumas National Forest.; Camel Peak 1524 Comment
  CHSC21698  Pterospora andromedea F. T. Griggs; A. Pass 1975-7-31 269 Plumas Grizzly Forebay. Comment
  CAS-BOT-BC453564  Pterospora andromedea Mrs. A. L. Coombs 1906-6-1 s.n. Plumas Prattville Comment
  RSA59184  Pterospora andromedea E. K. Balls 1950-9-1 15618 Plumas Trail from south point of Long Lake to Lakes Center Camping Ground 2012 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
  CHSC40869  Purshia tridentata K. R. Stern 1985-6-25 8265 Plumas Vicinity of Blairsden. 1402 Comment
  RSA797520  Purshia tridentata P. Reisentz 1979-5-12 s.n. Plumas Indian Creek, at the junction of Highway 70 and Highway 89. Comment
  CHSC36324  Pycnanthemum californicum M. S. Taylor 1982-8-12 4979 Plumas Along Denton Creek between 516 and Hwy 70, ca. 1 mi e of Blairsden. 1432 Comment
  JEPS88544  Pycnanthemum californicum Vernon H. Oswald and Lowell Ahart 1996-8-1 8132 Plumas n.w. Greenville (Old Haun Rd. (Forest Rd. 201) on s. slope of Dyer Mt. at Second Water Trough Creek, ca. 0.5 mi. w. of Hauns Meadow, s.e. of Dyer Mt. Lookout, n. of Hwy...); e. of Lake Almanor, Dyer Mt. 1432 Comment
  SEINET10869895  Pycnanthemum californicum Mary Susan Taylor 1982-8-12 Taylor 4979 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  CAS-BOT-BC460824  Pyrola aphylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54226 Plumas Sierra Nevada: abuot 5 miles SE of Mt. Hough on the road to Quincy 1584 Comment
  CHSC85719  Pyrola dentata G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3175 Plumas Sierra Nevada. 2.0 miles south of jct Long Valley and Rush Creek Roads; 4.0 miles north of Hwy 70 at Grays Flat. 1447 Comment
  CAS-BOT-BC462784  Pyrola dentata Clare B. Hardham 1975-8-2 20467 Plumas Sierra Nevada; Black Mt. 2133 Comment
  RSA0080460  Pyrola dentata R. Weatherby 1955-7-21 1645 Plumas Bottle Springs, near Middle Fork Father River. 1616 Comment
  SEINET7257120  Pyrola dentata A. A. Heller, P. B. Kennedy 1907-7-8 8764 Plumas Grade between Greenville and Prattville Comment
  CAS-BOT-BC328162  Pyrrocoma lucida E. K. Balls 1950-9-4 15578 Plumas Opposite Feather River Experiment Station across Highway 24, 4 miles north of Quincy 1066 Comment
  CAS-BOT-BC62429  Quercus chrysolepis H. E. Brown 1897-8-1 638 Plumas near Lassen Buttes 1828 Comment
  RSA622139  Quercus chrysolepis J. M. Tucker 1948-7-25 1750 Plumas 1.3 mi. east of Camp 18, area of Camel's Peak. 1220 Comment
  CAS-BOT-BC93983  Quercus durata John Thomas Howell 1951-6-26 27532 Plumas near Rich Bar 792 Comment
  CHSC33933  Quercus durata var. durata M. S. Taylor; M. Foster 1981-7-18 4053 Plumas N side of Caribou Rd, ca. 4 mi ne of its jct with Hwy 70 near Beldon. 822 Comment
  CHSC62150  Quercus durata var. durata L. P. Janeway 1993-7-20 4464 Plumas Plumas National Forest. Canyon of East Branch North Fork Feather River; in large ravine 500 ft north of Hwy 70, opposite the road to Rich Bar. 853 Comment
  UCD45903  Quercus durata var. durata John Thomas Howell 1959-9-21 34789 Plumas Plumas Co. El. 2500 ft. 762 Comment
  CAS-BOT-BC62739  Quercus garryana var. breweri John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon 853 Comment
  CAS-BOT-BC105311  Quercus kelloggii Mrs. E. C. Suttiffe 1920-9-1 s.n. Plumas Gold Valley Comment
  UCD56583  Quercus kelloggii John Thomas Howell 1976-7-14 51823 Plumas Sierra Nevada. American Valley near Quincy on road to Quincy Junction. 1036 Comment
  RSA609436  Quercus vacciniifolia Louis C. Wheeler 1958-7-29 7345 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  RSA654745  Quercus vacciniifolia J. M. Tucker 1948-7-25 1736 Plumas Summit of 'Lava Cap,' ca. 1 mile south of Cascade. 1436 Comment
  UC1135805  Quercus vacciniifolia R. Roseberry 1934-11-4 10 Plumas 1 mi ne Johnsville; Plumas National Forest, Downieville Quad. 1493 Comment
  CHSC47664  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of Quincy La Porte Road, about 1 1/4 miles north-west of Pilot Peak. 1828 Comment
  CDA18432  Ranunculus alismifolius G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3166 Plumas Long Valley; Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 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
  SEINET4090477  Ranunculus alismifolius var. alismifolius B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
  SEINET10535961  Ranunculus andersonii Mary Susan Taylor 1982-5-14 Taylor 4448 Plumas T22N R13E ne/nw sec 14. Portola quad. Open rocky volcanic outcrops and flats along ridge above Turner Springs Rd, ca. 1 mi s of Hwy 114, ca. 2 mi sw of Portola. 500 ft. 152 Comment
  CAS-BOT-BC379202  Ranunculus andersonii var. andersonii W. Harnach; N. Harnach 1990-3-31 254 Plumas Sierra Valley, found on west side of volcanic knob to the west of Co. Rd. A-23. land belonging to Wilson brothers and for sale at present Comment
  CAS-BOT-BC379344  Ranunculus andersonii var. andersonii G. L. Stebbins, Jr.; J. A. Jenkins 1937-5-22 2147 Plumas east side of Beckwith Peak, Sierra Valley 1820 Comment
  CHSC20850  Ranunculus aquatilis var. capillaceus K. R. Stern 1975-7-23 5805 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81813  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-10-16 9378 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SEINET7720806  Ranunculus austinae Unknown Plumas Big Meadows Comment
  CHSC113599  Ranunculus flammula var. ovalis Lowell Ahart 2014-8-24 19736 Plumas On the north side of Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC75527  Ranunculus occidentalis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3225 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  UC1126207  Ranunculus occidentalis D. Axelrod 1934-6-12 41 Plumas Little Grass Valley Plumas National Forest, Downieville Quadrangle Comment
  JEPS28452  Ranunculus occidentalis George W. Gillett 1957-7-13 750 Plumas meadow across creek from Devils Kitchen; Lassen Volcanic National Park 1859 Comment
  SD43461  Ranunculus occidentalis var. ultramontanus Philip A. Munz 1947-5-16 11824 Plumas wet silty meadow, 8 miles north of Chilcoot 1524 Comment
  UC1121732  Rhamnus californica D. Axelrod 1934-6-6 9 Plumas sw of La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  SEINET10493608  Rhamnus purshiana Mary Susan Taylor 1982-7-22 Taylor 4902 Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  UC1121929  Rhamnus rubra E. Sawyer 1935-7-8 277 Plumas 4.5 mi s Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  SEINET10936273  Rhamnus rubra Mary Susan Taylor 1982-8-5 Taylor 4934 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  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
  RSA101418  Rhododendron occidentale var. californicum R. Weatherby 1955-6-16 1531 Plumas Feather River Canyon. Head of Berry Creek, above Virgilia. Comment
  JEPS91029  Rhynchospora alba Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11430 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  CAS-BOT-BC111922  Rhynchospora glomerata var. capitellata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1695 Plumas In wet area in Sweetwater Meadow 1127 Comment
  CAS-BOT-BC108707  Ribes cereum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54274 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CAS-BOT-BC108713  Ribes cereum M. S. Taylor 1982-8-5 4926 Plumas Mount Hough summit, ca. 7 miles north northeast of Quincy. 2203 Comment
  CHSC60901  Ribes cereum var. cereum Vernon H. Oswald 1993-7-1 5629 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., just S of the summit. 2316 Comment
  CHSC97307  Ribes inerme var. inerme Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14463 Plumas About 40 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC21346  Ribes nevadense F. T. Griggs; A. Pass 1975-7-7 85 Plumas Gold and Silver Lakes. Comment
  CHSC45975  Ribes nevadense Lowell Ahart 1981-7-21 2946 Plumas Growing on the sides of large rock outcroppings, above the head of Dixon Creek, about 1/8 mile north of the Buzzards Roost Ridge, about 1 1/2 miles north of Pilot Peak. 1645 Comment
  CHSC55408  Ribes nevadense Benn Cunningham 1991-4-20 Plumas Ca. 0.3 mi s of Rock Creek Dam and 6 ft w of Highway 70, 35 mi s of Greenville. 731 Comment
  CHSC9716  Ribes nevadense Nancy Mosman 1971-7-11 83 Plumas Along river ca. 5 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC566251  Ribes nevadense G. T. Nordstrom 1934-7-16 229 Plumas 1 3/4 mi ne Mount Ararat; Bidwell Bar Quadrangle 1767 Comment
  SJSU7826  Ribes nevadense F. S. Gereb & C. L. Baker 1968-5-5 105 Plumas Deer Cr between Meadow Valley & Quincy 1219 Comment
  RSA0018269  Ribes roezlii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 952 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Highway 89. 1829 Comment
  CAS-BOT-BC186236  Ribes roezlii var. roezlii Clare B. Hardham 1961-6-16 7438 Plumas Diamond Peak Comment
  JEPS106030  Ribes roezlii var. roezlii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  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
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 Comment
  JEPS59925  Rigiopappus leptocladus Lewis S. Rose 1968-6-11 68101 Plumas 4 mi s Keddie; Butterfly Valley 1036 Comment
  CAS-BOT-BC74633  Rorippa curvisiliqua Anna Head 1920-8-3 s.n. Plumas Feather River Region. Lake Center Camp. 1920 Comment
  CAS-BOT-BC74642  Rorippa curvisiliqua Alice Eastwood 1918-5-25 7024 Plumas Portola. Comment
  CAS-BOT-BC74644  Rorippa curvisiliqua E. K. Balls 1950-8-31 15549 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1066 Comment
  JEPS53822  Rorippa curvisiliqua W. L. Jepson 1939-8-12 19403 Plumas branch Last Chance Creek (Ferris Creek); , branch of Last Chance Creek 1767 Comment
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59432  Rorippa curvisiliqua E. K. Balls 1950-9-15 15850 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  UC1037329  Rorippa curvisiliqua Leo Whitney 1934-8-8 1949 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CHSC38015  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-7-13 4000 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
  JEPS105837  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10953 Plumas On the southeast side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1251 Comment
  JEPS105840  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10999 -A 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
  CDA18041  Rosa californica B. Villegas 1999-7-8 s.n. Plumas Frenchman's Lake Rd. 0 Comment
  CAS-BOT-BC148181  Rosa gymnocarpa Thomas H. Kearney 1944-8-14 71 Plumas Near Prattville, Lake Almanor Comment
  JEPS45671  Rosa gymnocarpa W. L. Jepson 1924-7-22 10605 Plumas Rich Point Middle Fork Feather River 914 Comment
  UC711930  Rosa woodsii subsp. ultramontana Roxana S. Ferris and Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  UC1128619  Rubus leucodermis D. Axelrod 1934-6-12 45 Plumas 1 mi ne La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  SD9050  Rudbeckia occidentalis Mrs. R. M. Austin 1880-1 Plumas Mount Dyer Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CAS-BOT-BC422047  Rumex acetosella Walter Knight; Irja Knight 1966-6-18 1311 Plumas Butterfly Valley 1036 Comment
  SEINET10479371  Rumex acetosella Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET11934444  Rumex acetosella L. Ahart, Ahart, P. 1985-1 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather 1585 Comment
  CAS-BOT-BC433315  Rumex crispus M. S. Taylor 1982-9-8 5108 Plumas S side of Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  JEPS58034  Rumex paucifolius J. G. Lemmon 1875-4 Plumas Mohawk valley Mohawk Comment
  CHSC99833  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas 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 LaPorte. 1613 Comment
  JEPS122178  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC113847  Sagina saginoides Lowell Ahart 2014-9-9 19837 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 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
  CAS-BOT-BC445747  Sagittaria latifolia Walter Knight; Irja Knight 1966-6-19 1720 Plumas Butterfly Botanical Area and Vicinity Comment
  JEPS94589 Image available Sagittaria rigida Vernon Oswald 1997-8-1 8809 B Plumas Last Chance Marsh Lake Almanor (e side, where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh, n end of Lake) 1371 Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103883  Salix exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54187 Plumas Rush Creek 1402 Comment
  CAS-BOT-BC103885  Salix exigua John Thomas Howell 36928 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC103890  Salix exigua W. Harnach; N. Harnach 1991-6-21 557 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  JEPS122330  Salix exigua var. hindsiana Lowell Ahart 2014-9-9 19851 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC125311  Salix lasiandra var. lasiandra John Thomas Howell 1961-9-25 36929 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC125326  Salix lasiandra var. lasiandra Ella Dales Cantelow 1940-5-11 4330 Plumas Nr. Ford at Meadow Valley Creek Comment
  CAS-BOT-BC128432  Salix lasiolepis var. lasiolepis Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC128441  Salix lasiolepis var. lasiolepis John Thomas Howell; Keith Wagnon 1980-5-26 53596 Plumas North Fork of Feather River between the mouth of East Branch and Caribou - Sierra Nevada 792 Comment
  CAS-BOT-BC124798  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-25 696 Plumas Fork of Feather River about 5 miles southwest of Prattville Comment
  SBBG121279  Salix lemmonii L. Ahart, J. Dittes 2007-6-16 14128 Plumas S side of County Rd 111 (Beckwourth Gensee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  RSA508630  Salix lemmonii var. austinae R. M. Austin 1880-1 s.n. Plumas [No location information provided.] Comment
  CAS-BOT-BC125101  Salix ligulifolia W. R. Dudley 1909-8-25 s.n. Plumas Sierra Valley Comment
  RSA218938  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 397 Plumas N Fork of Feather River, at Chester. 1350 Comment
  SBBG57906  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 393 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  CAS-BOT-BC128232  Salix lucida Alice Eastwood 1918-5-25 6975 Plumas Portola Comment
  CHSC37019  Salix lucida subsp. lasiandra M. S. Taylor 1982-5-16 4454 Plumas Ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  CHSC80690  Salix lucida subsp. lasiandra Lowell Ahart 2001-6-4 8755 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
  CAS-BOT-BC129396  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
  SJSU7514  Salix melanopsis Lewis S. Rose 1968-6-10 Plumas Quincy Meadow 1036 Comment
  CDA14759  Salix scouleriana G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3329 Plumas 4.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake 1661 Comment
  CHSC101933  Salix scouleriana Lowell Ahart; John Dittes 2009-7-15 16079 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CAS-BOT-BC176984  Salsola tragus John Thomas Howell 1955-7-19 30763 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC235029  Sambucus Rimo Bacigalupi 1927-7-8 1658 Plumas Western edge of Long Lake Comment
  RSA726282  Sanguisorba annua L. Ahart, J. Dittes 2007-6-16 14147 Plumas W of a small stream. About 200 yards S of County Rd 111 (Beckwourth Gensee Rd). 20 yards E of Forest Road 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  RSA59428  Sanguisorba annua E. K. Balls 1950-9-15 15854 Plumas S tip Lake Almanor by P.G.E. dam, Hwy 89. 1372 Comment
  SD46577  Sanguisorba annua Robert J. Weatherby 1930-7-7 1456 Plumas Gansner Creek, Quincy 1219 Comment
  JEPS114415  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 ( 1597 Comment
  UC1532342  Sanicula graveolens Vernon Oswald 1986-6-6 2084 Plumas La Porte--Quincy Rd at S Fork of the Feather River 1965 Comment
  UC1778616  Sanicula graveolens G. Douglas Barbe, T. C. Fuller 1982-7-16 3769 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
  UC337551  Sanicula graveolens J. G. Lemmon 1889-5-26 Plumas Mohawk Valley Comment
  CHSC112613  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  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
  CHSC95047  Saponaria officinalis L. P. Janeway 2006-7-11 8812 Plumas Northern High Sierra Nevada. North edge of North Fork Feather River, 0.5 km northeast of Injun Jim Campground site. 610 Comment
  POM255807  Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. Comment
  RSA59336  Saxifraga odontoloma E. K. Balls 1950-9-12 15788 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County 2012 Comment
  UCD65885  Schedonorus arundinaceus John Thomas Howell; Gordon True, Walter Knight, and Irja Knight 1967-7-10 2168 Plumas Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC283633  Schedonorus pratensis John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2194 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC46716  Scheuchzeria palustris subsp. americana V. Oswald; W. Dempsey 1989-8-24 3965 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. On the w side of the lake. 1828 Comment
  CAS-BOT-BC111277  Schoenoplectus acutus var. occidentalis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1508 Plumas In quaking bog-like area on shoreline of Pond Reservoir, Butterfly Botanical Area. 1097 Comment
  CHSC61444  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-11 5785 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  RSA100502  Schoenoplectus americanus H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad Meadow Comment
  CHSC61071  Schoenoplectus subterminalis Vernon H. Oswald 1993-8-3 5766 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. On the W side of the lake. 1926 Comment
  RSA565015  Schoenoplectus subterminalis D. W. Taylor 1990-8-10 11435 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CAS-BOT-BC111825  Schoenoplectus tabernaemontani John Thomas Howell 1959-9-26 35062 Plumas Near Virgilia Comment
  CAS-BOT-BC30739  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1673 Plumas Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  CAS-BOT-BC111005  Scirpus microcarpus Lloyd W. Swift 1934-7-7 96 Plumas Willow Creek sheep trough 1889 Comment
  RSA59261  Scirpus microcarpus E. K. Balls 1950-8-31 15553 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC34869  Sclerolinon digynum M. S. Taylor 1981-6-19 3935 Plumas SW side of Lake Almanor, in small dry meadow between campground an rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  CHSC71391  Sclerolinon digynum Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1998-7-11 9254 Plumas Rest Area on Hwy. 89 between Hwy. 36 and Prattville on the south side of Lake Almanor. In a meadow. 1389 Comment
  SJSU14706  Scutellaria nana N. A. Hopkins 1991-6-28 1690 Plumas N of Milford Cr, N of Milford fork on rd fronm Red Clover Valley to Janesville 1524 Comment
  UC450432  Scutellaria siphocampyloides J. G. Lemmon 624 Plumas Indian Valley; High Sierra, Indian Valley Comment
  CHSC118657  Sedum lanceolatum Noah Siegel; Chelsea Morgan 2016-6-5 2016002 A Plumas Lassen National Forest. Diamond Mountains; ridge to west of Aspen Flat. UTM 699072 E, 4464681 N, NAD 83 Zone 10 North. 2194 Comment
  JEPS26921  Sedum obtusatum C. H. Uhl 1961-5-28 962 Plumas 1.4 mi s Johnsville (igneous outcrop at Camp Ground Plumas-Eureka State Park, w side Jamison Creek, across creek from Jamison Mine site); Plumas-Eureka State park, w side Jamison Creek 1591 Comment
  CAS-BOT-BC418397  Sedum plumasanum C. D. MacNeill 1963-5-26 s.n. Plumas North Fork Feather River, 4 miles northeast of Belddn. 853 Comment
  CAS-BOT-BC59124  Sedum spathulifolium John Thomas Howell; Gordon H. True 1969-6-23 45822 Plumas On Middle Fork of Feather River, at Nelson Point 1249 Comment
  CAS-BOT-BC59122  Sedum spathulifolium Ira L. Wiggins 1961-6-10 s.n. Plumas North side of Feather River Canyon near PG&E Rock Creek Reservoir near Stowe. Comment
  CHSC82515  Senecio aronicoides Lowell Ahart 2002-6-26 9772 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
  UC384669  Senecio aronicoides E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CHSC89476  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 207 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CHSC93158  Senecio hydrophilus L. P. Janeway 1994-8-16 4733 Plumas Northern High Sierra Nevada. West side of Little Schneider Creek about 0.5 mi south of Meadow Valley Creek. Large meadow. 1146 Comment
  CAS-BOT-BC363794  Senecio integerrimus Ben Beard; J. D. Schoeller No date on label 403 Plumas Plumas National Forest. Last Chance near McDermott Pasture 1676 Comment
  CAS-BOT-BC363918  Senecio integerrimus var. exaltatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54238 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  UC1542939  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  CDA18477  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3247 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  RSA0125030  Senecio integerrimus var. exaltatus P. B. Kennedy, A. A. Heller 1907-7-5 8742 Plumas Hills above Red Clover Valley. 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
  JEPS113709  Senecio serra var. serra Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS95059  Setaria pumila Lowell Ahart 1997-9-11 7906 Plumas about 4 1/2 air mi ne of Belden (on w edge of Caribou Road, on w side of North Fork Feather River, about 1/2 mi s of Mosquito Creek); Caribou Road, North Fork Feather River 792 Comment
  UCD92853  Setaria viridis John Thomas Howell 1959-9-20 34719 Plumas Tobin. 609 Comment
  CAS-BOT-BC213134  Sidalcea W. I. Follett; E. B. Follett 1962-7-31 s.n. Plumas Estray Creek, 1.5 mi. W of Spring Garden, Sierra Nevada Comment
  CHSC68368  Sidalcea gigantea L. P. Janeway 1996-8-15 5069 Plumas Along the Oroville-Quincy Hwy, 1.1 mi west of Grizzly Creek; between the road and Little Grizzly Creek. 1645 Comment
  CHSC75512  Sidalcea glaucescens G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3060 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  SEINET11991682  Sidalcea oregana Detzer, Sacks 1977-1 12 Plumas along E side of USFS unimproved road, ca 4.8 km S of Laufman Ranger Stn 1833 Comment
  RSA15058  Sidalcea oregana subsp. spicata Daniel Cleveland 1882-7-20 s.n. Plumas Prattville Comment
  CAS-BOT-BC181290  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte - Sierra Nevada 1981 Comment
  CAS-BOT-BC389377  Silene lemmonii John Thomas Howell 1961-6-21 36659 Plumas Greenville 1097 Comment
  CAS-BOT-BC389382  Silene lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1427 Plumas Butterfly Botanical Area and Vicinity. In vicinity of Pond reservoir 1097 Comment
  CAS-BOT-BC389394  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CHSC21808  Silene lemmonii F. T. Griggs; A. Pass 1975-7-8 117 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC53138  Silene lemmonii L. P. Janeway 1989-6-30 3442 Plumas Plumas National Forest. Along rd 24N49Y ca 0.4 mi W of Crocker Cr and Beckwourth-Genesee Rd (6.8 mi N of Beckwourth and 0.3 mi N of Crocker Guard Station. 1798 Comment
  JEPS48491  Silene lemmonii John W. Duffield 1937-6-9 Plumas n Bucks Lake (se slope of Bucks Mt.); , n of Bucks Lake Comment
  UC595082  Silene nuda David D. Keck 1938-8-9 4896 Plumas 1 mi w Portola; w of Portola 1480 Comment
  CAS-BOT-BC181363  Silene occidentalis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC82498  Silene occidentalis subsp. occidentalis Lowell Ahart 2002-6-26 9779 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
  SEINET5337221  Silene pectinata A. A. Heller, P. B. Kennedy 1907-7-16 8859 Plumas Genessee Valley near Genessee Comment
  SEINET3814481  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Plumas Prattville 1372 Comment
  SJSU12263  Sium suave N. A. Hopkins 1983-7-28 1161 Plumas NW corner of Sierra Valley by Marble Hot Springs Road 1487 Comment
  UC1134652  Smilacina racemosa F. W. Embree 1934-6-6 88 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC1134668  Smilacina racemosa D. Axelrod 1934-6-9 23 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  JEPS62127  Smilacina racemosa John W. Duffield 1937-5-26 Plumas In Camp Schneider Creek (above and w of Meadow Valley) Comment
  CDA13963  Solidago californica G. F. Hrusa, T. D. Wilfred 1996-8-2 13424 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Comment
  SD9116  Solidago canadensis subsp. elongata Daniel Cleveland 1882-7-26 Plumas Big Meadows Comment
  CAS-BOT-BC365510  Solidago elongata E. K. Balls 1950-8-31 15520 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  CAS-BOT-BC365519  Solidago elongata Thomas H. Kearney 1945-8-16 s.n. Plumas Near Chester Comment
  JEPS113515  Solidago elongata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14470 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  UC1999885  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9305 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  UCD136030  Solidago elongata Lewis S. Rose 1966-7-28 66072 Plumas Quincy. 1066 Comment
  CAS-BOT-BC365117  Solidago velutina subsp. californica John Thomas Howell 1959-9-21 34736 Plumas Belden 701 Comment
  CHSC48197  Solidago velutina subsp. californica Vernon Oswald 1984-7-9 1358 Plumas Hwy 89 at Lake Almanor spillway. Beside the road. 1377 Comment
  HSC6181  Solidago velutina subsp. californica Jim Vaughn 1956-7-29 Plumas Chester 1463 Comment
  CAS-BOT-BC365974  Sonchus John Thomas Howell 1959-9-21 34796 Plumas Virgilia 841 Comment
  CAS-BOT-BC374402  Sonchus asper John Thomas Howell 1961-6-21 36684 Plumas Greenville 1097 Comment
  CHSC100447  Sorbus californica Lowell Ahart 2008-9-10 15376 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC115840  Sorbus californica Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 2.89 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  UC555552  Sorbus californica H. L. Mason 1924-6-19 1072 Plumas Lake Region from Gold Lake to Bear Lake Comment
  CHSC115778  Sorbus scopulina Lowell Ahart; John Deurloo 2015-8-25 20525 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  CHSC62158  Sorbus scopulina L. P. Janeway 1993-8-14 4523 Plumas Plumas National Forest. Seep adjacent to creek on east side of road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  RSA716417  Sorbus scopulina var. cascadensis L. Ahart, J. Dittes 2005-9-19 12381 Plumas On the S side of Taylor Lake. About 6 miles (air) SW of Antelope Lake. 2081 Comment
  CHSC47592  Sparganium emersum subsp. emersum Lowell Ahart 1980-9-17 2657 Plumas On the south side of the lake, about 1/2 mile west of Fowler Peak, about 8 miles north of La Porte. 1524 Comment
  JEPS107726  Sparganium emersum subsp. emersum Lowell Ahart, John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  SEINET10966371  Sparganium emersum var. multipedunculatum Mary Susan Taylor 1982-7-22 Taylor 4907 Plumas T24N R9E sw/ne sec 6. Bucks Lake NE quad. Riparian Woodland; s edge of Snake Lake by dam, ca. 2 mi ne of Meadow Valley. 4000 ft. 1219 Comment
  SEINET3825673  Sparganium eurycarpum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1461 Plumas Marshy pond on southeastern side of Portola Comment
  CHSC49688  Sparganium natans V. Oswald; W. Dempsey 1988-8-23 3694 Plumas Green Island Lake located ca. 7 mi (air) se of Jonesville. On the north edge of the lake. 1859 Comment
  CAS-BOT-BC390071  Spergularia atrosperma John Thomas Howell 1951-8-20 28234 A Plumas 3 miles east of Beckwourth, Sierra Valley 1524 Comment
  SJSU9819  Spergularia atrosperma C. W. Sharsmith 1982-5-30 8670 Plumas flat bordering Marble Hot Springs, Sierra Valley 1524 Comment
  CHSC103143  Spergularia rubra Lowell Ahart; John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC21084  Spergularia rubra F. T. Griggs; A. Pass 1975-7-2 54 Plumas Buck's Lake. Comment
  CHSC21554  Spergularia rubra L. M. Mayer; D. E. Brink Jr. 1975-7-2 427 Plumas Bucks Lake. Comment
  CHSC43423  Spergularia rubra Lowell Ahart 1974-8-15 611 Plumas Along the dirt road near White Cap, about 10 miles south of Sloat. 1676 Comment
  CHSC95023  Spergularia rubra Lowell Ahart 2006-10-23 13480 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 40 yards south of where the road ends, about 10 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC390686  Spergularia rubra Alice Eastwood 1927-6-11 14448 Plumas United States Forest Reserve. Crescent Mills Comment
  CHSC34265  Sphenosciadium capitellatum M. S. Taylor 1981-7-27 4120 Plumas Along spring crossing Beckwourth-Genessee Rd, between Crystal and Meadow creeks, ca. 2 mi S of Notson bridge, ca. 17 air mi NE of Blairsden. 1737 Comment
  RSA59345  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas Lakes Center Public Campground. 2043 Comment
  CHSC43447  Spiraea densiflora Lowell Ahart 1974-8-3 585 Plumas East of Mount Etna, about 5 miles east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC149636  Spiraea douglasii Peter Rubtzoff 1978-8-4 9243 Plumas West side of Hwy 89 0.2 mile north of Spanish Creek crossing (ca. 0.75 mile north of Quincy) 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
  CAS-BOT-BC149661  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-9 8786 Plumas Prattville Comment
  JEPS93947  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1998-8-11 9485 Plumas w of Bucks Lake (on USFS 24N36 0.1 mi e of Oroville-Quincy Highway, along Grizzly Creek); Grizzly Creek, USFS 24N36 1566 Comment
  SDSU9261  Spiraea douglasii R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile N of Chester. Comment
  CHSC102752  Spiranthes porrifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16152 Plumas Meadow 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
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CHSC66630  Stachys ajugoides var. rigida Vernon H. Oswald; Lowell Ahart 1996-7-15 8024 Plumas 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. 1371 Comment
  CHSC77056  Stachys ajugoides var. rigida L. P. Janeway 1996-8-20 5076 Plumas Granite Basin; adjacent to Road 23N18 at crossing of Little North Fork Feather River. 1389 Comment
  CHSC84420  Stachys ajugoides var. rigida Lowell Ahart 2003-9-7 10557 Plumas Seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 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
  CDA42425  Stachys pycnantha D. G. Kelch 2012-9-19 12 .376 Plumas Route 70 at North Fork of Feather River; 500 m south of turn-off to Pulga. Comment
  SEINET9370683  Stachys rigida Unknown 2014-8-7 2014 -023 Plumas Grey Eagle Lodge, Lakes Basin, Plumas National Forest Comment
  POM284550  Stachys rigida subsp. rivularis Lyman Benson 1932-7-29 3985 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59334  Stachys rigida subsp. rivularis E. K. Balls 1950-9-12 15783 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County 2012 Comment
  CAS-BOT-BC181388  Stellaria calycantha Mrs. Jos Clemens 1920-8-16 s.n. Plumas Homer Lake, near Greenville Comment
  CHSC80827  Stellaria crispa Lowell Ahart 2001-7-19 8942 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS122331  Stellaria crispa Lowell Ahart 2014-8-31 19805 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  POM101723  Stellaria longipes Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CAS-BOT-BC391187  Stellaria longipes subsp. longipes John Thomas Howell 1951-6-27 27587 Plumas McRae Meadow 1981 Comment
  SJSU8525  Stellaria longipes subsp. longipes T. L. Erwin 1963-8-20 Plumas 7 mi NW of Chester on Benner Cr, S slope Mt Harkness 1676 Comment
  CHSC97523  Stellaria longipes var. longipes Lowell Ahart; John Dittes 2007-6-17 14188 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC397729  Stellaria nitens Mrs. Jos Clemens 1920-4-27 s.n. Plumas Greenville Comment
  CAS-BOT-BC375049  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  UC218842  Stephanomeria exigua subsp. coronaria Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC375616  Stephanomeria lactucina John Thomas Howell 1924-8-11 632 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  CAS-BOT-BC375621  Stephanomeria lactucina Lowell Ahart 1980-8-27 2588 Plumas Near the Feather Fork Mine 2000 Comment
  CAS-BOT-BC375632  Stephanomeria lactucina John Thomas Howell 1960-7-19 35681 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS88577  Stephanomeria tenuifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8046 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (at streams and marshy meadow extending e from road 29N11, at junction of road to campground and spur road to n side of meadow); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  SEINET10603987  Stipa webberi James D. Jokerst, Robert A. Schlising 1981-8-2 Jokerst 1450 Plumas Uncommon on dry volcanic scree, sub-alpine vegetation with Melica stricta, Wyethia mollis, Purshia tridentata and Allium platycaule. At the N edge of the wide ridge ca. 1.0 mi NE of Humboldt Peak in NW1/4 sec 33, T26N R5W, 6600 ft. Ca. 100 m E of where Pacific Creast Trail reaches the ridge top. Comment
  CHSC11379  Streptanthus polygaloides Lowell Ahart 1970-7-2 60 Plumas 12 miles E. of Pulga. 762 Comment
  CAS-BOT-BC87791  Streptanthus tortuosus Anna Head 1921-7-6 s.n. Plumas Feather River Region. Middle of canyons. Comment
  CAS-BOT-BC87798  Streptanthus tortuosus Lewis S. Rose 1939-6-7 39255 Plumas Feather River, 3 miles north of Pulga. 518 Comment
  SFV10376  Streptanthus tortuosus M. L. Vincent 1968-6-10 857 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CHSC55808  Streptopus amplexifolius var. americanus Vernon H. Oswald 1991-9-11 4870 Plumas South of Hot Springs Creek and west of Dream Lake at Drakesbed. Lassen Volcanic National Park. 1746 Comment
  UC1123441  Swertia albicaulis var. nitida G. T. Nordstrom 1934-7-20 245 Plumas 1.5 mi w and 0.5 mi n Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1310 Comment
  UC338818  Swertia albicaulis var. nitida unknown Plumas Mohawk Valley Comment
  SEINET10465103  Symphoricarpos acutus Mary Susan Taylor 1982-6-7 Taylor 4612 Plumas 5700 ft. T23N R14E ne/nw sec 32. Portola quad. Open ridge e of Portola, Ramelli Ranch property, ca. 2 mi e of Portola. 1737 Comment
  CAS-BOT-BC237018  Symphoricarpos mollis Gladys L. Smith 1976-6-7 4612 Plumas South end of summit ridge, secondary road from Quincy to La Porte, Middle Fork Feather River, Sierra Nevada 1950 Comment
  CHSC92121  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart; John Dittes 2005-9-19 12385 Plumas On dry dark rocky soil, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake. 2080 Comment
  JEPS113371  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14010 Plumas Around trees, 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
  CAS-BOT-BC97565  Symphyotrichum ascendens John Thomas Howell; Gordon H. True 1973-7-31 50139 Plumas on road from Janesville to Thompson Peak, Diamond Range 1905 Comment
  UC924246  Symphyotrichum bracteolatum H. S. Reed 1941-8-2 Plumas Forest Lodge 1097 Comment
  JEPS100324  Symphyotrichum campestre Dean W. Taylor 2001-7-12 17831 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
  CHSC36921  Symphyotrichum chilense M. S. Taylor 1982-8-27 5049 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  CHSC69697  Symphyotrichum chilense Vernon H. Oswald; Lowell Ahart 1997-9-18 8879 Plumas Ca. 4 air mi west-northwest of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi south of its junction with 26N49 (to Humbug Valley). 1170 Comment
  CAS-BOT-BC97862  Symphyotrichum eatonii Anna Head 1921-7-20 s.n. Plumas near top of range, south of Round Lake, Feather River Region Comment
  CAS-BOT-BC98966  Symphyotrichum foliaceum var. parryi Thomas H. Kearney 1945-8-16 s.n. Plumas Near Chester Comment
  CHSC110621  Symphyotrichum foliaceum var. parryi B. Castro; L. Janeway 2006-9-9 1617 Plumas High Cascades Range. About 200 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). 1969 Comment
  CAS-BOT-BC98965  Symphyotrichum foliaceum var. parryi E. K. Balls 1950-9-8 15726 Plumas Lakes Center Public Camp, southern Plumas County 2042 Comment
  CHSC81344  Symphyotrichum frondosum Lowell Ahart 2001-9-18 9279 Plumas Along Freeman Creek, on the strand of Lake Davis. 1761 Comment
  UCD136509  Symphyotrichum hendersonii Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CAS-BOT-BC98496  Symphyotrichum spathulatum Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek Ranger Station Comment
  CAS-BOT-BC98495  Symphyotrichum spathulatum Mrs. H. C. Cantelow 1951-7-29 18 Plumas Hwy. 24 about 21 miles w. of Portola Comment
  CAS-BOT-BC98899  Symphyotrichum spathulatum var. intermedium John Thomas Howell 1961-9-25 36958 Plumas Portola - Sierra Nevada 1478 Comment
  CAS-BOT-BC99361  Symphyotrichum spathulatum var. intermedium Walter Knight; Irja Knight 1966-9-12 1732 Plumas Pond reservoir. Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC69199  Symphyotrichum spathulatum var. spathulatum James D. Jokerst; Lowell Ahart 1985-10-4 2586 Plumas Pilot Peak serpentine NE of La Porte. Comment
  CHSC81093  Symphyotrichum spathulatum var. spathulatum Lowell Ahart 2001-8-29 9241 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS107729  Symphyotrichum spathulatum var. spathulatum Lowell Ahart, John Dittes 2005-9-19 12413 Plumas Along the west side of a good dirt road, about 1 1/2 miles east of Kettle Rock, about 1 1/2 miles southeast of Taylor Lake 2007 Comment
  SD9009  Symphyotrichum subspicatum R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC221952  Taeniatherum caput-medusae M. S. Taylor 1982-6-28 4774 Plumas Ramelli Ranch, between CalpineRd [Calpine Rd] (109) and cow pasture, ca. 1 mi w of Beckwourth 1487 Comment
  UCD86128  Taeniatherum caput-medusae Beecher Crampton 1970-6-25 8636 Plumas East Quincy. 1043