Search Results — 2000 specimen records retrieved (1413 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC33729  Abies concolor M. S. Taylor; M. Foster 1981-7-14 4021 Plumas Bullfrog Ravine, e side of 26N18, ca. 3 air mi nw of Indian Falls. 1645 Comment
  CHSC84951  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas About 40 yards south of the road to Tamarack Flat, on the north side of a very small branch of Fall River, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  UC917328  Abies concolor J. M. Tucker 1948-7-24 1732 Plumas ca. 0.5 mi ne of Camel Peak Comment
  HSC1340  Abies magnifica R. A. Magie 1964-5-1 59 Plumas 20 mi. W of Chester on Hwy. 36 1829 Comment
  CAS-BOT-BC330952  Acer glabrum var. glabrum John Thomas Howell 1951-6-28 27700 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC330984  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  CAS-BOT-BC333226  Acer macrophyllum Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 871 Plumas On La Porte Rd., 10 km S of jct with Hwy 70. 1400 Comment
  CAS-BOT-BC333324  Acer macrophyllum John Thomas Howell 1963-6-3 39399 Plumas Sierra Nevada. Butterfly Valley Comment
  CAS-BOT-BC28728  Achillea millefolium Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC81089  Achillea millefolium Lowell Ahart 2001-8-29 9266 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1125403  Achillea millefolium A. Lewis 1934-6-18 485 Plumas Little Grass Valley; Downieville Quad. 1524 Comment
  CDA14688  Achnatherum lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3156 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC102389  Achnatherum lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16123 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  UC641659  Achnatherum lettermanii G. L. Stebbins Jr. 1939-7-9 2920 Plumas e side of Little Last Chance Valley Little Last Chance Valley 1706 Comment
  CAS-BOT-BC210745  Achnatherum nelsonii John Thomas Howell 1962-6-18 37775 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC210814  Achnatherum nelsonii subsp. nelsonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54174 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CAS-BOT-BC210849  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-7-20 35787 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  RSA699787  Achnatherum thurberianum L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11152 Plumas On the north side of a forest road, southwest of a small meadow and seeps, 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. 2125 Comment
  SEINET3523240 Image available Acmispon aestivalis A. A. Heller 1938-7-2 15242 Plumas Feather River Highway near Gray's Flat 869 Comment
  CHSC21534  Acmispon americanus var. americanus L. Mayer; D. Brink 1975-7-9 Plumas Roadside. Buck's Lake Forest Service Survey. Comment
  UC1075667  Aconitum columbianum Robert J. Weatherby 1950-7-7 1445 Plumas Quincy, Gansner Creek 1219 Comment
  CAS-BOT-BC391472  Aconitum columbianum subsp. columbianum John Thomas Howell 1926-7-31 2175 Plumas Near Prattville 1463 Comment
  CHSC45858  Aconogonon davisiae Lowell Ahart 1974-10-1 645 Plumas On the west part of the Buzzards Roost Ridge, about 1/2 mile north of Onion Valley, about 1 mile north of Pilot Peak. 1981 Comment
  SD46512  Aconogonon davisiae Robert J. Weatherby 1950-8-11 1511 Plumas near Hellgramite Pond, Lakes Basin Area 2012 Comment
  JEPS115559  Actaea rubra Lowell Ahart, John Dittes 2009-7-27 16178 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  CAS-BOT-BC62299  Adiantum aleuticum 218 Plumas Plumas National Forest Comment
  SEINET5338312  Adiantum pedatum M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls above Johnsville on Jamison Creek. 1859 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
  UCLA72430  Agastache urticifolia Joseph Andorfer Ewan 1934-7-16 8526 Plumas along s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  POM247275  Agastache urticifolia E. K. Crum 1937-8-7 s.n. Plumas 3 miles west of Lake Almanor. 1524 Comment
  SEINET10497801  Agastache urticifolia Mary Susan Taylor 1981-7-6 Taylor 3973 Plumas T24N R16E center sec 7. Frenchman Lake quad. Mixed Coniferous Forest, with sagebrush scrub understory; ca. 200 ft W of 24N64, on N side of Grigsby Creek (dry), ca. 13 air mi NW of Chilcoot, ca. 1 mi W of N tip of the lake; 6000 ft. 1829 Comment
  SEINET7925062  Agastache urticifolia H. M. Hall 4420 Plumas North Fork Feather River. 1341 Comment
  CAS-BOT-BC29437  Ageratina occidentalis Anna Head 1921-7-1 s.n. Plumas Lake Center Camp Comment
  CHSC33885  Ageratina occidentalis M. S. Taylor 1981-7-21 4097 Plumas Argentine Lookout, ca. 0.5 mi SW of 26N21-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 2194 Comment
  CHSC57415  Ageratina occidentalis L. P. Janeway 1984-9-1 1118 Plumas Sierra crest (between Round Lake and Snake Lake). 2286 Comment
  CAS-BOT-BC29432  Ageratina occidentalis Walter Knight; Irja Knight; J. T. Howell 1966-7-27 1551 Plumas At roadside near mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC29600  Agoseris X dasycarpa W. Harnach; N. Harnach 1989-6-29 197 Plumas Sierra Valley, Marble Lane. 1487 Comment
  CAS-BOT-BC29651  Agoseris grandiflora var. grandiflora John Thomas Howell 1966-7-29 42012 Plumas Quincy 1036 Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  CAS-BOT-BC22914  Agoseris heterophylla John Thomas Howell 1963-6-4 39409 Plumas Marble Hot Springs, Sierra Valley Comment
  CHSC36313  Agoseris heterophylla M. S. Taylor 1982-6-12 4642 Plumas Jct of Hwy 36 and 89, ca. 3 mi W of Chester. 1493 Comment
  RSA754958  Agoseris heterophylla L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15886 Plumas About 200 yards northwest of Lake Almanor Dam. 1422 Comment
  JEPS55238  Agoseris heterophylla var. heterophylla Lewis S. Rose 1967-6-12 67108 Plumas 3 mi w Keddie; Butterfly Valley 1219 Comment
  CAS-BOT-BC13242  Agoseris monticola H. E. Brown 1897-8-1 622 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC13247  Agoseris monticola Milo S. Baker 1926-8-29 321 C Plumas Upper Lee's Camp Comment
  CAS-BOT-BC13436  Agoseris retrorsa Anna Head 1921-6-22 s.n. Plumas Campbell's Hot Springs, Sierra Valley. 1524 Comment
  SEINET10901611  Agropyron dasystachyum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7047 Plumas Yellow pine and douglas fir in plumas national forest off hwy 70. 1067 Comment
  RSA59477  Agrostis E. K. Balls 1950-9-15 15874 Plumas 5 miles. S. E. of Graeagle, Sulphur Creek, Hwy 89 1372 Comment
  CHSC74151  Agrostis capillaris H. Durio 1995-6-1 Plumas Just off S end of Mooreville Ridge, near Boehme Ranch, at end of unnamed spur road off of USFS Rd 21N56. 1277 Comment
  CAS-BOT-BC127081  Agrostis exarata John Thomas Howell; Gordon H. True 1973-7-31 50087 Plumas Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range. 2194 Comment
  CAS-BOT-BC127100  Agrostis exarata John Thomas Howell 1961-9-23 36867 Plumas Sierra Nevada. Indian Valley. 1082 Comment
  JEPS76241  Agrostis exarata W. L. Jepson 1939-8-16 19429 Plumas open flats Portola Comment
  RSA59897  Agrostis exarata E. K. Balls 1950-9-14 15820 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  CAS-BOT-BC139619  Agrostis gigantea W. R. Dudley 1909-8-26 s.n. Plumas Sierra Valley. East of Hot Springs. Comment
  CAS-BOT-BC139408  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  CAS-BOT-BC139413  Agrostis hyemalis H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  CAS-BOT-BC139250  Agrostis idahoensis Lowell Ahart 1977-7-9 1522 Plumas 10 miles northeast of La Porte. About 0.5 mile below the Bunker Hill Mine. 1800 Comment
  CHSC40287  Agrostis idahoensis Lowell Ahart 1985-7-11 5143 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
  UCD53165  Agrostis pallens Catherine McWilliams 1971-1 911 Plumas Plumas - Eureka State Park. 1524 Comment
  CAS-BOT-BC138717  Agrostis scabra Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. Near Boiling Springs Lake. 1798 Comment
  JEPS68395  Agrostis scabra W. L. Jepson 1910-6-8 4085 Plumas near Lassen Peak; Lake Tartarus 2011 Comment
  RSA59661  Agrostis scabra E. K. Balls 1950-9-9 15731 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SACT000172  Agrostis scabra Malcolm Nobs, S. Smith 1949-8-18 Plumas Plants caespitose; in bloom in water, past blooming on dried areas Comment
  UCD53379  Agrostis scabra Malcolm A. Nobs; S. Galen Smith 1949-8-18 1366 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC44539  Agrostis thurberiana Lowell Ahart 1977-7-9 1455 Plumas Along the edges of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS113812  Agrostis variabilis Lowell Ahart, John Dittes 2007-8-9 14438 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
  JEPS118395  Agrostis variabilis Lowell Ahart 2011-9-20 17689 Plumas Open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  UC485752  Agrostis variabilis H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC445451  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills 1036 Comment
  CAS-BOT-BC131955  Allium W. Harnach; N. Harnach 1990-5-12 294 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  JEPS47589  Allium bisceptrum var. bisceptrum John W. Duffield 1937-6-9 Plumas road to Quincy 1097 Comment
  CAS-BOT-BC466475  Allium campanulatum Lewis S. Rose 1939-6-8 39266 Plumas S. end of Lake Almanor 1371 Comment
  CAS-BOT-BC466621  Allium campanulatum David D. Keck 1932-7-3 1630 Plumas Quincy. Northern Sierra Nevada 1065 Comment
  SEINET183707  Allium campanulatum L. Constance 1938-6-10 2321 Plumas Feather River at Chester near Lake Almanor 1219 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-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC474062  Allium parvum A. A. Heller 1938-5-21 15104 Plumas Airfield west of Chester 1304 Comment
  SEINET10471989  Allium parvum Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4477 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  CHSC100771  Allium platycaule L. P. Janeway; B. Castro 2008-6-8 9401 Plumas Northern High Sierra Nevada. Southwest edge of Red Clover Valley; southwest side of Beckwourth-Genesee Road 0.7 km southeast of Clover Valley Ranch building. 1682 Comment
  CAS-BOT-BC474095  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  RSA101471  Allium platycaule R. Weatherby 1955-7-2 1568 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  SEINET3880097  Allium validum D. W. McNeal 1995-7-16 4129 Plumas Along a stream ca 200 m S of the Gray Eagle trailhead on the trail go Long Lake. Plumas National Forest.; 0 Comment
  RSA0035828  Allophyllum integrifolium Lowell A. Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CAS-BOT-BC171352  Alnus incana subsp. tenuifolia John Thomas Howell 1951-8-20 28203 Plumas Indian Valley. Sierra Nevada 1066 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  SEINET5536153 Image available Alnus incana subsp. tenuifolia Clarissa Kimber 1961-1 248 Plumas Upper Butterfly Valley, 2.5 mi. W turn off Huy 89-US 40 alt. 1 mi. S Keddle; Greenville Quadrangle 1158 Comment
  RSA0034613  Alnus incana subsp. tenuifolia B. C. Templeton 1967-4-23 10743 Plumas Butterfly Valley, near Quincy. 1067 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
  RSA11790  Alnus rhombifolia Elmer I. Applegate 1921-9-26 3346 Plumas 8 miles north of Greenville. Comment
  UCD110008  Alnus rhombifolia John Thomas Howell 1959-9-24 34943 Plumas Spanish Creek at mouth of Butterfly Creek. 883 Comment
  JEPS113752  Alopecurus aequalis Lowell Ahart, John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC138117  Alopecurus aequalis var. aequalis Lowell Ahart 1985-7-3 5098 Plumas Little Grass Valley Reservoir and where the South Fork of the Feather River flows into the lake. 1584 Comment
  CAS-BOT-BC138001  Alopecurus geniculatus George W. Gillett 1957-7-18 831 Plumas Lassen Volcanic National Park. Willow Lake. 1661 Comment
  JEPS68431  Alopecurus geniculatus W. L. Jepson 1910-6-9 4106 Plumas Hot Springs Valley near Lassen Peak; Hot Springs Valley 1828 Comment
  CHSC36931  Amaranthus albus M. S. Taylor 1982-9-7 5098 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  UCD97196  Amaranthus blitoides John Thomas Howell 1959-9-25 35002 Plumas 2 miles east of Portola. 1484 Comment
  UC1585909  Amaranthus californicus Barbara Ertter 1988-10-21 8009 Plumas 1.5 mi e Chester (e end of causeway, n of road); Lake Almanor 1341 Comment
  CAS-BOT-BC142919  Amelanchier Clare B. Hardham 1975-8-2 20458 Plumas Black Mt. - Sierra Nevada 2133 Comment
  CHSC61611  Amelanchier alnifolia Arthur C. Barrett 1915-6-14 5 Plumas Boulder Cr. Ranger Sta. Pasture. 1645 Comment
  RSA739619  Amelanchier alnifolia var. pumila L. P. Janeway 2007-5-20 8990 Plumas Norhern High Sierra Nevada, Crest at head of Bean Creek (which drains to the SSE, E Branch N Fork Feather Rivers to the N) at jct of roads 25N17, 25N57, 25N59. 1573 Comment
  CAS-BOT-BC136776  Amelanchier utahensis Thomas H. Kearney 1944-8-14 62 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC136799  Amelanchier utahensis Alice Eastwood 1927-6-15 14603 Plumas United States Forest Reserve, trail to Long Valley Comment
  SEINET12479935  Amsinckia lycopsoides W. Harnach, N. Harnach 1990-5-12 305 Plumas Sierra Valley, Feather River Ranch. 1524 Comment
  CHSC28961  Anaphalis margaritacea J. D. Jokerst 1979-10-5 365 Plumas Meadow area E of road and North Fork Feather River, 1.0 mi N of Hwy 70. Comment
  CAS-BOT-BC391929  Anemone lyallii Mary Strong Clemens 1920-4-28 s.n. Plumas Greenville Comment
  CAS-BOT-BC391996  Anemone oregana Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1781 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  JEPS16088  Angelica breweri W. L. Jepson 1924-7-22 10610 Plumas Middle Fork Feather River, Rich Point Middle Fork Feather River; , Rich Point 914 Comment
  UC1251649  Angelica breweri Tracey and Viola Call 1964-6-28 2309 Plumas 7 mi w of Quincy (near Meadow Valley) 1463 Comment
  UCD149051  Antennaria G. Ledyard Stebbins 1982-6-13 C 201 a Plumas Stony Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CHSC63112  Antennaria argentea Lowell Ahart 1994-6-29 7414 Plumas West of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  JEPS113540  Antennaria argentea Lowell Ahart, Josephine Guardino 2007-7-21 14377 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  CAS-BOT-BC59301  Antennaria argentea M. S. Taylor 1982-5-14 4446 Plumas Portola quad. ca. 2 mi sw of Portola. 1584 Comment
  UC134212  Antennaria argentea Mrs. R. M. Austin 1874-8-1 96 Plumas Black Hawk Comment
  SEINET6735131 Image available Antennaria geyeri W. Harnach, N. Harnach 1990-6-13 371 Plumas Sierra Valley, SW of Beckwourth, Ramelli Ranch (USFS) 1487 Comment
  UC367133  Antennaria geyeri J. G. Lemmon and wife 1883-7-3 Plumas Indian Valley Comment
  CAS-BOT-BC79926  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CAS-BOT-BC79975  Antennaria microphylla P. B. Kennedy; A. A. Heller 1907-7-3 8699 Plumas Red Clover valley Comment
  JEPS87817  Antennaria rosea subsp. confinis Lowell Ahart 1994-7-22 7501 Plumas about 1/2 mi e Mount Etna (along the n side of the Pacific Crest Trail); e of Mount Etna, n side of Pacific Crest Trail 1981 Comment
  CAS-BOT-BC457541  Aphanes occidentalis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1868 Plumas Butterfly Botanical Area and Vicinity; from west edge of Butterfly Valley proper near the road. 1036 Comment
  CHSC21304  Apocynum androsaemifolium F. T. Griggs; A. Pass 1975-7-8 126 Plumas Bucks Lake. Comment
  CHSC52920  Apocynum androsaemifolium L. P. Janeway 1989-8-2 3545 Plumas Plumas National Forest. Above western branch of Bell Bar Cr.; 0.6 mi S of Middle Br. Feather River, and 1-3/4 mi NE of White Cap. 1493 Comment
  CHSC62089  Apocynum androsaemifolium L. P. Janeway 1993-7-28 4482 Plumas Plumas National Forest. Northwest-facing slope near bottom of a western branch of Ward Creek, ca 1 mi south of Genesee Valley. 1264 Comment
  UC1123479  Apocynum androsaemifolium C. G. Albertus 1935-7-20 217 Plumas 1 12/ mi. s.w. Lava Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  CHSC37633  Aquilegia formosa T. B. Devine 1979-10-5 599 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi N of its junction with the E branch of the N Fork. 792 Comment
  UC1125879  Aquilegia formosa G. T. Nordstrom 1934-7-2 163 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  RSA106758  Aquilegia formosa var. truncata L. S. Rose 1955-7-20 55158 Plumas Mohawk. 1372 Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  RSA122699  Aquilegia formosa var. truncata E. Sawyer 1935-6-24 139 Plumas 4.5 miles E of Crow, Sierraville. Comment
  RSA101485  Arabis davidsonii R. Weatherby 1955-7-26 1553 Plumas Volcanic cliff above Mud Lake; Lakes Basin Area. 2195 Comment
  CAS-BOT-BC17352  Arabis eschscholtziana John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2365 Plumas Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  CDA13434  Arabis holboellii var. retrofracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13281 Plumas Sierra Nevada; Plumas National Forest. Above Bull Run Creek off USFS 23N12E. Comment
  SEINET10448422  Arabis inyoensis Mary Susan Taylor 1982-8-18 Taylor 5010 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  CDA14710  Arabis rectissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3221 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  SEINET1912945  Arceuthobium californicum R. L. Mathiasen 2010-1 1069 Plumas 0.8 km from rd. to Bucks Lake on rd. to Silver Lake 1250 Comment
  CAS-BOT-BC24205  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42199 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  RSA122006  Arctostaphylos manzanita subsp. manzanita E. Sawyer 1935-6-14 112 Plumas Two miles northeast of Kerby. 1646 Comment
  CAS-BOT-BC38486  Arctostaphylos mewukka subsp. truei John Thomas Howell 1966-7-26 42005 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  SD147587  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51572 Plumas Injun Jim Campground, North Fork Feather River. 609 Comment
  CAS-BOT-BC40013  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4608 Plumas Secondary road from Quincy to La Porte, drainage of Middle Fork Feather River, south end of summit ridge. 1950 Comment
  CAS-BOT-BC40014  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4584 Plumas North end of summit ridge, secondary road between Rt. 70 and LaPorte. 1950 Comment
  RSA101441  Arctostaphylos nevadensis R. Weatherby 1955-6-22 1538 Plumas Spanish Peak. 2134 Comment
  UC335821  Arctostaphylos nevadensis unknown 1889-6-9 Plumas Gold Lake Comment
  CAS-BOT-BC42087  Arctostaphylos patula Walter Knight; Irja Knight 1966-6-18 1317 Plumas Butterfly Valley 1127 Comment
  CAS-BOT-BC42099  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas Butterfly Creek & Spanish Creek, south of Keddie 883 Comment
  CAS-BOT-BC42121  Arctostaphylos patula Keith Wagnon; James T. Vale 1988-10-4 1819 Plumas ca. 2 mi. e. of town of Buck's Lake on old road - logging road 1/4 mi. north. 1511 Comment
  UC1488855  Arctostaphylos patula Katherine K. Muller 1965-8-19 1354 Plumas near Chester 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
  SEINET11989151  Arctostaphylos patula B. A. Stein 1981-1 544 Plumas Frazier Falls area 1920 Comment
  UCD52646  Arctostaphylos viscida John Thomas Howell 1976-4-2 51578 Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden, Plumas County. 1173 Comment
  CAS-BOT-BC47028  Arctostaphylos viscida subsp. viscida Catherine Toschi 1963-7-2 s.n. Plumas 2 mi. nw. of Greenville. Comment
  CAS-BOT-BC47069  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-7-11 43286 Plumas 2 mi. from Quincy Junction on road to Mt. Hough. 1219 Comment
  CAS-BOT-BC47070  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42190 Plumas Near the spring in the Butterfly Botanical Area. 1097 Comment
  RSA123203  Arctostaphylos viscida subsp. viscida E. Nourse 1934-8-14 15 Plumas 2.5 miles east and 6.5 miles south of Quincy. 1098 Comment
  UCD23332  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  SEINET10537552  Arenaria aculeata Mary Susan Taylor 1981-6-17 Taylor 3922 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  RSA641454  Arenaria congesta Michael A. Vincent 1999-6-8 8552 Plumas Plumas Nat l Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40. Comment
  SEINET3840868  Arenaria congesta var. suffrutescens G. Douglas Barbe, Thomas C. Fuller, , J. T. Howell 1981-6-25 3332 Plumas 0.5 miles southeast of bridge crossing Indian Creek; 0.1 mile northwest of junction with road to Antelope Lake Dam 1580 Comment
  CAS-BOT-BC17390  Armoracia rusticana John Thomas Howell 1961-9-25 36960 Plumas Sierra Nevada. Portola. 1478 Comment
  CAS-BOT-BC82214  Arnica chamissonis John Thomas Howell 1960-7-22 35872 Plumas Drakesbad 1828 Comment
  CHSC60519  Arnica chamissonis L. P. Janeway 1992-6-4 4217 Plumas Plumas National Forest. Edge of small mucky pond along Bonta Creek in wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  UC1037220  Arnica chamissonis Leo Whitney 1934-8-25 1588 Plumas 15 mi n of Beckwith; Plumas National Forest, Willow Creek 1950 Comment
  POM29780  Arnica chamissonis subsp. foliosa Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC264  Arnica cordifolia 1953-5-10 Plumas Rush Creek, tributary to Indian River. 1097 Comment
  CAS-BOT-BC295862  Arnica dealbata C. R. Quick 1947-8-3 47 -72 Plumas Highway #89, 1.7 miles SW of Quincy-Mt. Lassen Chester junction Comment
  CHSC84892  Arnica discoidea R. D. Fischer; Jenny Marr 2003-10-20 10 Plumas Northern Sierra Nevada, off hwy 70 between Oroville and Quincy on the Yellow Creek Trail at Belden. Trailhead leading off on north end of parking lot at the PG and E powerhouse. Approx 1 1/2 miles north on tr. 1066 Comment
  SD8798  Arnica discoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1609325  Arnica discoidea Vernon H. Oswald and Lowell Ahart 1993-8-11 5781 Plumas 0.5 mi s Willow Lake (ca 1 mi s of Lassen Park, se side of lake); Domingo Lake 1767 Comment
  UC1119301  Arnica lanceolata subsp. prima Beryl O. Schreiber 1938-7-10 2531 Plumas 1/4 mi s U. C. Forestry Camp; Bidwell Bar Quad., Meadow Valey 1097 Comment
  JEPS106038  Arnica mollis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11166 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
  CAS-BOT-BC146263  Arrhenatherum elatius var. elatius John Thomas Howell; H. Keith Wagnon 1980-5-26 53593 Plumas Sierra Nevada. North Fork of Feather River between the mouth of East Branch and Caribou. 792 Comment
  CHSC59669  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Plumas National Forest. Flats on the south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1487 Comment
  CAS-BOT-BC84874  Artemisia cana subsp. cana E. K. Balls 1950-9-2 15664 Plumas Along Grizzly Creek, about Grasshopper Flat, road from ramelli to Walker Mine. 1828 Comment
  CAS-BOT-BC90407  Artemisia douglasiana John Thomas Howell; Gordon H. True 1974-7-29 50631 Plumas Quincy 1036 Comment
  SEINET6775393 Image available Artemisia douglasiana W. Harnach, N. Harnach 1989-6-17 150 Plumas Sierra Valley, collected approximately 200 ft. west of the steel bridge on the Marble Lane 1487 Comment
  CAS-BOT-BC499177  Artemisia douglasiana A. A. Heller; P. B. Kennedy 1907-7-17 8876 Plumas Red Clover valley Comment
  RSA59445  Artemisia douglasiana E. K. Balls 1950-9-8 15725 Plumas Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC90567  Artemisia dracunculus M. S. Taylor 1981-8-31 4258 Plumas Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi s of Clio 1341 Comment
  CAS-BOT-BC97249  Artemisia ludoviciana Greg Sommers 1976-7-26 194 Plumas On bank along side of Dyson Lane 20 meters west of the metal bridge, Sierra Valley Marsh 1524 Comment
  CHSC97054  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; Josephine Guardino 2007-7-20 14334 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  UC1119488  Artemisia tridentata subsp. tridentata R. Roseberry 1934-11-19 16 Plumas 1/2 mi n Bungalow; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC400625  Asarum hartwegii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54324 Plumas 1.4 miles north-northeast of Englemine on Diamond Mt. Road 1295 Comment
  CHSC73402  Asarum lemmonii B. Castro 1995-11-29 629 Plumas Ca 2 air mi ESE of Walker Plains on Rock Island Ridge, and ca 0.3 mi N of Rock Island itself. In minor perennial tributary to Truck Ravine, between the Ravine and USGS Rd 23N27. 1475 Comment
  SEINET3928134  Asarum lemmonii Lewis S. Rose 1963-6-3 63 /13 Plumas Butterfly Valley, 2 mi SE of Keddie.; 0 1189 Comment
  CAS-BOT-BC400766  Asarum lemmonii David D. Keck 1932-7-3 1642 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  SEINET260549  Asarum lemmonii M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  UCSB15830  Asclepias fascicularis 1962-6-12 Plumas Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  CHSC58483  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1992-7-6 5066 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1770 Comment
  CDA39824  Asclepias speciosa T. C. Fuller 1959-7-6 4298 Plumas Highway 89, 1 mile north of Highway 40A, 1.7 miles north of Patton. 0 Comment
  CAS-BOT-BC69588  Aspidotis densa Lewis S. Rose 1963-6-5 63135 Plumas E. branch, North Fork Feather River, 0.5 mi. n. of Rich Bar. 822 Comment
  JEPS120177  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  UC1874977  Aspidotis densa Ruth Kirkpatrick 2001-7-21 1075 Plumas Feather River Canyon, along Hwy 70, 4.3 mi upstream from E branch of North Fork of Feather River 731 Comment
  CAS-BOT-BC69590  Aspidotis densa Anna Head 1921-7-23 s.n. Plumas Gray Eagle Trail, Feather River Region. Comment
  CAS-BOT-BC97468  Aster M. S. Taylor 1982-9-8 5111 Plumas Greenville SW quad. S side of Round Valley Reservoir, ca. 4 mi s of Greenville 1371 Comment
  CAS-BOT-BC97477  Aster Clare B. Hardham 1978-8-11 21803 Plumas Red Clover Creek Road 1219 Comment
  SEINET10872011  Aster breweri Mary Susan Taylor 1981-7-22 Taylor 4099 Plumas T24N R11E sw sec 9, Spring Garden quad. In Red Fir Forest; E side of 26N21- Grizzly Peak Rd, just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 6900 ft elev. 2103 Comment
  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
  RSA507795  Aster integrifolius J. C. Semple, S. Heard 1986-8-13 8415 Plumas Little Grassy Lake Road, near Little Grassy Valley Rec. area, between Laporte and Quincy Comment
  RSA0039309  Aster radulinus Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA60797  Aster radulinus I. L. Wiggins 1948-9-15 12053 Plumas Onion Creek and Middle Fork of the Feather River. Comment
  CHSC40925  Astragalus lentiformis W. D. Daban 1985-6-21 Plumas Portola. Comment
  SEINET12166452  Astragalus lentiformis L. P. Aneway 1989-1 3478 Plumas Croker Mtn quad. T24N R13E NW 1/4 of SE 1/4 of sec. 13. 1/2mi SW of Beckwurth-Genesee Rd see below 1699 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  CHSC118065  Astragalus pulsiferae var. pulsiferae R. Ondricek-Fallscheer 1999-6-26 194 Plumas About 6 1/2 air mi ENE of Beckwourth and 2 1/2 air mi N of Hwy 70; ca. 25 ft. N (upslope) from USFS Rd. 23N71 and 150 ft. E of the stream which is in the steep ravine. Slope 20%. 1645 Comment
  UC863023  Astragalus pulsiferae var. suksdorfii A. A. Heller 1938-6-22 15179 Plumas w Chester 1304 Comment
  CAS-BOT-BC192953  Astragalus purshii var. purshii Philip A. Munz 1947-5-16 11829 Plumas 8 miles north of Chilcoot 1524 Comment
  RSA95476  Astragalus purshii var. purshii L. S. Rose 1954-5-30 54075 A Plumas Beckwourth. 1524 Comment
  SBBG3245  Astragalus purshii var. tinctus H. and M. Dearing 1939-5-9 3328 Plumas near Blairsden 1219 Comment
  CAS-BOT-BC200858  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  SEINET10452239  Astragalus webberi Mary Susan Taylor 1981-5-8 Taylor 3661 Plumas T26N R9E sw sec 25. Greenville quad. N side of Hwy 89, ca. 1/4 mi S of turnoff to Taylorsville, ca. 1 mi S of Crescent Mills. 3600 ft. 1097 Comment
  CHSC63461  Astragalus whitneyi var. lenophyllus Lowell Ahart 1994-7-20 7473 Plumas Label also says Sierra County. On both sides of the the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC102655  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-BC66092  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-21 35851 Plumas nw. of Willow Lake 1676 Comment
  CAS-BOT-BC66097  Athyrium filix-femina var. cyclosorum David D. Keck 1932-7-3 1693 Plumas just west of town, Quincy, in the Northern Sierra Nevada 1066 Comment
  SD129285  Athysanus pusillus B. Pitzer, S. Morgan and H. Soldan 1988-5-29 957 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1830 Comment
  UCR60737  Athysanus pusillus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0957 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  JEPS102443  Azolla microphylla Lowell Ahart 2001-10-8 9326 Plumas On still waters of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS89882  Azolla microphylla Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13220 Plumas at bridge of Hwy. 207 ca. 1.3 mi. w. <Cresent> Mills (Indian Creek); Freather R. Watershed, Indian Creek 1112 Comment
  RSA52871  Azolla microphylla R. Weatherby 1950-7-28 1484 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CAS-BOT-BC100098  Balsamorhiza sagittata Lowell Ahart 1989-7-2 6339 Plumas on the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte 2255 Comment
  SEINET7239844 Image available Balsamorhiza sagittata D. L. Neal 1960-5-7 s.n. Plumas Near HWY 395, about 5 miles south of Doyle 1463 Comment
  CDA31974  Barbarea orthoceras L. Ahart, J. Dittes 2009-7-27 16165 Plumas Below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. Comment
  CHSC81354  Barbarea orthoceras L. P. Janeway 1996-5-13 4965 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CHSC97518  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-17 14174 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  POM106525  Betula nana Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC102169  Bidens cernua M. S. Taylor 1982-8-23 5037 Plumas S side of North Fork Feather River, ca. 1/4 mi w of Twain. Almanor SE quad. 853 Comment
  SEINET4176591  Bistorta bistortoides A. A. Heller, P. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  UCD20960  Bistorta bistortoides E. Bortiri 2002-6-20 WFC 8 Plumas McRae Meadow, 5 miles West of Plumas Eureka State Park. Comment
  CAS-BOT-BC128029  Blepharipappus scaber W. Harnach; N. Harnach 1990-8-27 522 Plumas Sierra Valley. Intersection of Co. Rd. A-23 and Marble Lane 1489 Comment
  RSA0125984  Boechera A. A. Heller 1942-5-8 16453 Plumas 3 miles W of Belden; along Hwy 24. Comment
  CHSC41272  Boechera arcuata J. D. Jokerst 1984-5-14 2011 Plumas SE of Genesee Valley, S of Ward Cr. 1463 Comment
  CAS-BOT-BC16143  Boechera constancei Wayne Dakan; Arno H. Schmitt 1974-5-31 s.n. Plumas Sierra Nevada. On road from Round Valley to Long Valley. Comment
  CAS-BOT-BC16144  Boechera constancei Wayne Dakan 1974-6-23 s.n. Plumas Sierra Nevada. Long Valley. Comment
  CAS-BOT-BC14017  Boechera lemmonii Lowell Ahart 1981-7-21 2944 Plumas Head of Dixon Creek, north of Pilot Peak. 1800 Comment
  CAS-BOT-BC14107  Boechera pauciflora A. A. Heller; P. B. Kennedy 1907-7-3 8713 Plumas Hills above Red Clover Valley. Comment
  SEINET3166402  Boechera pauciflora P. J. Alexander 2009-5-25 1040 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.25 miles ENE of the center of the dam, 7.1 miles NNW of Chilcoot, Plumas National Forest. 1768 Comment
  CHSC117484  Boechera pinetorum Lowell Ahart 2016-6-29 21071 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC53192  Boechera pinetorum L. P. Janeway 1989-6-20 3357 Plumas Plumas National Forest. East-facing slope near top of Crocker Mtn. 2026 Comment
  CHSC54317  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4684 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
  UC1504543  Boechera pinetorum Reed C. Rollins and Kathryn W. Rollins 1981-5-29 81159 Plumas 3.1 mi nw U.S. Hwy. 70 (near the Beckwourth-Genesee Road) Comment
  CAS-BOT-BC14469  Boechera platysperma John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54268 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CHSC58185  Boechera rectissima Vernon H. Oswald; Lowell Ahart 1992-6-22 5016 Plumas Ca. 0.4 mi N of the park boundary along the services road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Bordering the road. 1767 Comment
  CHSC67754  Boechera rectissima J. D. Jokerst 1984-6-13 2050 Plumas Along the south edge of spur 'C' of USFS road 26N08 ca 150 meters below junction of spur and main road. South of Grizzly Creek. Ca 2 air miles east of Peacock Point. 1432 Comment
  SEINET4339633  Boechera rectissima C. D. Bailey, E. Bailey 2009-7-21 292 -A, B, C Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Between Grassy Lake and the turnoff to Graeagle Lodge. 1943 Comment
  UC1552754  Boechera retrofracta Frederica Bowcutt 1985-6-6 543 Plumas About 15 air mi NE of Quincy on the SW side of Red Clover Creek and Bechwourth Genesee Road in Plumas National Forest. Comment
  CAS-BOT-BC25579  Boechera retrofracta Anna Head 1921-7-11 s.n. Plumas Feather River Canyon. Lake Center Camp. 1920 Comment
  SEINET3166092  Boechera rigidissima P. J. Alexander 2008-7-22 865 -A, B Plumas North side of the summit of Mount Elwell, +-0.05 miles N of the highest point, +-0.8 miles SE of Mt. Washington, +-14 miles NE of Downieville, northern Sierra Nevada, Plumas National Forest. 2362 Comment
  CAS-BOT-BC25907  Boechera suffrutescens John Thomas Howell 1951-6-27 27628 Plumas Sierra Nevada. Jamison Creek. 1828 Comment
  CHSC41412  Boechera suffrutescens Lowell Ahart 1986-7-8 5363 Plumas South of where the road crosses Onion Valley Creek, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1920 Comment
  CHSC82519  Botrychium minganense Lowell Ahart 2002-7-6 9839 Plumas In the large meadow are three large aspens in a south to north line, go west about 40 yards to the small lodgepole pine, about 20 feet to the north is a bracken fern bank, moonwort is just before the bracken fern and a little east, 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. 1608 Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1723 Comment
  CHSC100335  Botrychium simplex var. compositum Lowell Ahart 2008-7-16 15106 Plumas Open basalt area in forest, in a small meadow, about 220 yards southeast of the intersection to Lumpkin Ridge Road and the road to Tamarack Flat, about one mile northwest of the Dam (Little Grass Valley Reservoir), about 4 miles (air) northwest of La Porte. 1744 Comment
  CHSC61381  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-11 5786 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. 1839 Comment
  CAS-BOT-BC417625  Boykinia major M. S. Taylor 1982-7-21 4889 Plumas Along Willow Creek, ca. 1/2 mi. nw of Nelson Point, ca. 5 mi se of Quincy. 1310 Comment
  CAS-BOT-BC127778  Brickellia grandiflora M. S. Taylor; H. Swanson 1982-8-11 4972 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
  JEPS127337  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas About 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET10533768  Brodiaea coronaria Cantelow 1949-6-11 CANTELOW s.n. 1949 Plumas Feather River Canyon, Calif. Comment
  SEINET7724108  Brodiaea ixioides Unknown Plumas Indian Valley Comment
  UC1075728  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS 1066 Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  SEINET10830992  Bromus Mary Susan Taylor 1982-9-13 Taylor 5137 A Plumas T23N R14E se/ne sec. 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Road bridge (109) over Feather River, on S side of the river, ca. 1 mile W of Beckwourth. 1487 Comment
  POM198315  Bromus briziformis H. S. Yates 1913-7-20 s.n. Plumas Massack Comment
  CAS-BOT-BC149314  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1973-8-1 50194 Plumas Sierra Nevada. Ca. 2.5 miles southeast of Diamond Mountain. 2164 Comment
  CHSC80901  Bromus carinatus var. carinatus Lowell Ahart; Vernon H. Oswald 2001-7-23 8999 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC1131104  Bromus carinatus var. carinatus E. Sawyer 1935-6-14 107 Plumas sw slope of Sugarloaf Sugarloaf 1767 Comment
  UCSC000046  Bromus carinatus var. carinatus A. E. Wieslander 1933-6-11 316 Plumas 1.5 miles W. of Kerby - Sierraville 46 Comment
  CAS-BOT-BC148708  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35932 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148713  Bromus carinatus var. marginatus John Thomas Howell 1955-7-20 30829 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CAS-BOT-BC148720  Bromus carinatus var. marginatus Clare B. Hardham 1970-8-8 17701 L Plumas Road to Thompson Peak Lookout. 2133 Comment
  SBBG115956  Bromus carinatus var. marginatus C. B. Hardham 1970-8-9 17716 T Plumas rd to Thompson Pk Lookout 1981 Comment
  UCD59120  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35931 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS118410  Bromus ciliatus Lowell Ahart 2011-9-17 17658 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CAS-BOT-BC155972  Bromus commutatus John Thomas Howell 1961-6-21 36666 Plumas Sierra Nevada. Greenville. 1097 Comment
  UCD59297  Bromus diandrus John Thomas Howell 1961-6-21 36670 Plumas Sierra Nevada. Greenville. 1097 Comment
  CDA27234  Bromus japonicus G. F. Hrusa 1997-6-26 13880 Plumas Sierra Nevada; Open flats 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CHSC110414  Bromus japonicus Lowell Ahart 2012-7-1 18258 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  CAS-BOT-BC155326  Bromus laevipes s.n. Plumas Sierra Valley. Comment
  CHSC88192  Bromus orcuttianus Lowell Ahart 2004-7-27 11319 Plumas On the west side of the dirt road (Forest Road 10), about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northeast of La Porte. 1711 Comment
  CAS-BOT-BC162147  Bromus orcuttianus John Thomas Howell 1960-8-20 36274 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC161351  Bromus tectorum John Thomas Howell 1977-6-20 52410 Plumas SIerra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC161356  Bromus tectorum Javier Penalosa 1962-6-19 2499 Plumas Highway 40-89, +-6.2 miles southeast of Quincy. 1097 Comment
  UC1131277  Bromus tectorum E. Sawyer 1935-5-21 4 Plumas 3/4 mi wsw of Beckwith 1493 Comment
  RSA88127  Calamagrostis koelerioides J. T. Howell 1951-6-26 27537 Plumas Feather River Canyon; Sierra Nevada. 854 Comment
  RSA0000411  Calamagrostis micrantha var. sierrae Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC112575  Calandrinia ciliata B. Castro; L. P. Janeway 2007-6-7 1629 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. Just W of channel of Thompson Creek, downstream of small rock dam, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC97609  Calandrinia ciliata Lowell Ahart; John Dittes 2007-6-16 14086 Plumas On dry bare soil, graded road gutter, east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC438488  Calandrinia ciliata Mary Strong Clemens 1920-4-27 s.n. Plumas Greenville Comment
  SDSU9750  Calandrinia ciliata R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, CA. Comment
  SEINET13710344  Callitriche hermaphroditica Lowell William Ahart, Lowell William Ahart 2001-1 9281 Plumas In Water of Freeman Creek, Lake Davis (T24N, R13E, sec 30, NE 1/4) 5780 Ft. 1762 Comment
  CHSC4454  Calocedrus decurrens C. Glascock 1965-2-6 214 Plumas 6.5 mi. E of Rich Bar turnoff on Hwy 70. Ca. 100 yds W of abandoned service station and cabin. Comment
  SEINET10531066  Calocedrus decurrens Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC487771  Calochortus coeruleus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54285 Plumas About 1.3 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 2042 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
  CDA15915  Calochortus leichtlinii B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; above upper Bull Run Creek off USFS 23N12E. Comment
  CHSC60162  Calochortus leichtlinii L. P. Janeway 1992-7-10 4259 Plumas Plumas National Forest. About 0.5 mi northeast of the top of Grizzly Ridge in upper drainage of Joseph Creek. 2090 Comment
  UCD139521  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC490274  Calochortus leichtlinii Anna Head 1920-7-25 s.n. Plumas Feather River region Comment
  CAS-BOT-BC491828  Calochortus leichtlinii D. E. Breedlove 1962-6-13 3474 Plumas Along State Highway 89, 2 miles south of Graeagle; Sierra Nevada 1402 Comment
  CAS-BOT-BC491839  Calochortus leichtlinii Margaret Williams; Emily McPhersen 1974-8-5 74 -P-8 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin 2133 Comment
  UC608577  Calochortus nudus Beryl O. Schreiber 1938-7-9 2519 Plumas 1.5 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC493421  Calochortus nudus T. S. Brandegee 1892-7-4 s.n. Plumas Prattsville Comment
  CAS-BOT-BC493426  Calochortus nudus Lewis S. Rose 1967-6-12 67114 Plumas Butterfly Valley, 3 mi. of Keddie 1219 Comment
  CHSC61595  Calochortus venustus Aurthur C. Barrett 1918-7-8 9 Plumas Indian Creek, near Lone Rock Cr. 1645 Comment
  CAS-BOT-BC409591  Caltha Anna Head 1920-7-23 s.n. Plumas Springs in rock, near nuarsley trail to Mt. Elwell. Feather River region 1920 Comment
  JEPS48662  Caltha biflora Esther C. Fritz 1933-7-4 Plumas Spanish Peak Comment
  CAS-BOT-BC175765  Caltha leptosepala John Thomas Howell 1960-7-23 35967 Plumas Drakesbad. Lassen Volcanic National Park 1828 Comment
  JEPS15245  Calycadenia truncata Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4346 Plumas about 2 mi e of, along roadside, road from Greenville to Indian Agency Greenvile; Indian Valley 1005 Comment
  CHSC21127  Calyptridium monospermum F. T. Griggs; A. Pass 1975-7-1 17 Plumas Buck's Lake Forest Service Survey. East of Grizzly Creek. Comment
  CHSC89819  Calyptridium monospermum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3369 Plumas Sierra Nevada. Walker Plains. Along the Plumas-Butte county line. 1554 Comment
  UC1035979  Calyptridium monospermum Helen K. Sharsmith 1955-6-28 4527 Plumas near Pulga (East Branch of North Fork Feather River); North Fork Feather River 609 Comment
  RSA39724  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-17 11842 Plumas 16 miles N of Chilcoot 1524 Comment
  CAS-BOT-BC160844  Camissonia tanacetifolia subsp. quadriperforata Alice Eastwood 1918-5-25 6980 Plumas Portola Comment
  RSA31204  Camissonia tanacetifolia subsp. quadriperforata Ella Dales Cantelow 1941-5-20 s.n. Plumas 1.7 miles NE of Vinton School on route to Frenchman Creek 610 Comment
  SEINET10905900  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas Greenville Comment
  SEINET10917161  Campanula prenanthoides Solomon W. Conrad 1975-8-11 Conrad 7398 Plumas Douglas Fir forest 5.5 miles west of Quincy on Meadow Valley Rd. 1219 Comment
  UC1523719  Campanula prenanthoides Gary Schoolcraft 1982-8-2 841 Plumas w Crescent Mills 1371 Comment
  CHSC59173  Cardamine bellidifolia var. pachyphylla Vernon H. Oswald; Lowell Ahart 1992-9-15 5211 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  UC1594670  Cardamine breweri Lowell Ahart 1992-5-25 6778 Plumas about 1/2 mi s Turkey Town (along edge Hopkins Creek, w of Blue Nose Mountain); w of Blue Nose Mountain, Hopkins Creek, s of Turkey Town 1828 Comment
  CAS-BOT-BC37302  Cardamine breweri Robert J. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge, near Taylor Lake. 1981 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC101467  Cardamine breweri var. breweri L. P. Janeway; Jason Emmons, Dorothy Kieffer 2009-4-29 9831 Plumas Northern High Sierra Nevada. Rock Island Ridge, 1.8 air km east of Walker Plains. Small seep and associated southwest-flowing drainage on upper ridge. 1558 Comment
  CAS-BOT-BC37821  Cardamine nuttallii Alice Eastwood 1927-6-15 14597 Plumas United States Forest Reserve. On trail to Long Valley. Comment
  CHSC67352  Cardamine pachystigma James D. Jokerst 1984-4-25 1987 Plumas Big Grizzly Hydro Project. Ca. 1/8 mi W of N. Fork Feather River. 914 Comment
  RSA52953  Cardamine pulcherrima R. Weatherby 1950-5-31 1435 Plumas West shore of Lake Almanor. 1418 Comment
  UCD108024  Carex Tim Kuhn 2006-7-9 68 Plumas Southwest of Lake Davis. Comment
  CAS-BOT-BC18361  Carex John Thomas Howell 1951-6-26 27536 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET10935490  Carex Mary Susan Taylor, M. Foster Taylor 3901 Plumas T24N R9E ne/ne sec 6, Bucks Lake NE quad; NW side of Snake Lake, ca. 4 mi NE of Meadow Valley; elevation ca. 4000 ft. 1219 Comment
  CHSC55546  Carex abrupta L. P. Janeway 1990-6-28 3744 Plumas Near Joseph Creek about half waybetween Little Grizzly Creek and the top of Grizzly Ridge. 1950 Comment
  CHSC56883  Carex amplifolia L. P. Janeway 1991-8-4 4118 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
  JEPS116014  Carex amplifolia Lowell Ahart, John Dittes 2009-8-28 16354 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
  SEINET260552  Carex amplifolia M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  CAS-BOT-BC17939  Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CAS-BOT-BC17942  Carex angustata John Thomas Howell 1976-7-15 51850 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CHSC84926  Carex angustata L. P. Janeway; B. Castro 2003-9-6 7978 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  RSA754926  Carex angustata L. Ahart, Josephine Guardino 2005-8-10 12316 Plumas 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 1822 Comment
  CAS-BOT-BC17925  Carex angustata George Wilson Gillett 1957-7-19 850 Plumas Lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  CHSC115918  Carex angustata Sara M. Taylor; Scott Batiuk 2012-7-19 48 Plumas Plumas National Forest, Pacific Southwest Region, Forest Service. Rocky Knoll West. Follow Rd. 24N33 to the Mill Creek Trailhead, near where Right Hand Salt Creek meets Mill Creek. Follow Mill Creek Trail north for ~350 m then bushwhack ~800 m to fen/meadow. UTM zone 10, 4422869N, 655364E. 1831 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
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  RSA122797  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Vallley, west of Beckwith Buttes. 1524 Comment
  SEINET13329302  Carex athrostachya W. Harnach, N. Harnach 1991-6-17 552 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  CAS-BOT-BC19132  Carex aurea John Thomas Howell 1951-6-27 27616 Plumas Sierra Nevad. Jamison Creek. 1828 Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  CAS-BOT-BC19094  Carex aurea George Wilson Gillett 1957-7-19 847 Plumas lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  UC338344  Carex aurea Lemmon 1889-5-26 Plumas Culver's ranch Mohawk Valley, Culver's ranch Comment
  CHSC52547  Carex bolanderi L. P. Janeway 1989-6-27 3404 Plumas Between Tomba Rd and Hwy 70/89 just N of Jackson Cr; below Cromberg Spring. 1335 Comment
  RSA71295  Carex bolanderi L. S. Rose 1951-6-28 51029 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CAS-BOT-BC19525  Carex bolanderi John Thomas Howell 1975-6-15 51121 Plumas Sierra Nevada. North Fork Feather River near Storrie. 548 Comment
  CAS-BOT-BC19635  Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CDA17780  Carex brainerdii G. D. Barbe, T. C. Fuller 1982-6-15 3694 Plumas Plumas National Forest; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CDA17781  Carex brainerdii G. D. Barbe, T. C. Fuller 1982-6-15 3717 Plumas Plumas National Forest; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1761 Comment
  CHSC41161  Carex brainerdii L. P. Janeway; Gary Benson, Randy Harrison 1985-5-22 1201 Plumas Near and north of Middle Fork Feather River, 2.4 mi w of Lee Summitt on F. S. Rd 23n22. 1478 Comment
  CHSC53565  Carex brainerdii L. P. Janeway 1990-6-15 3717 Plumas Plumas National Forest. Along Rattlesnake Creek, 2.1 mi (along the creek) north of Hwy 70/89; off of the north side of Long Valley. 1524 Comment
  JEPS95618  Carex brainerdii Lowell Ahart 1994-6-17 7360 Plumas W side of a poor logging road, W side of Sly Creek, about 1/10 mi N of the locked gate, 1 mi E of Sly Creek Reservoir 1097 Comment
  SBBG33907  Carex brainerdii L. S. Rose 1969-6-23 69043 Plumas La Porte Rd, 8 mi SW of Quincy 1310 Comment
  CAS-BOT-BC19629  Carex brainerdii L. P. Janeway; Gary Benson; Leigh Wingett 1985-7-10 1207 Plumas Along the Hungry Creek Road ca. 0.5 mile north of the Antelope Res. Road. 1554 Comment
  SEINET10752412  Carex brainerdii Lewis S. Rose 1969-6-23 Rose 69043 Plumas 8 mi, SW of Quincy. La Porte Road. 1311 Comment
  SEINET10945876  Carex brainerdii David Castaner 1989-6-18 Castaner 10222 Plumas West of Lake Almano. Along highway 89. Two miles east Tehama county line. Comment
  SEINET7552659 Image available Carex brainerdii Clarence R. Quick 1955-6-21 55 -33 Plumas Near S. E. end of Lake Almanor Comment
  CAS-BOT-BC34200  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CHSC115917  Carex cusickii Sara M. Taylor; Scott Batiuk 2012-7-31 54 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20.Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  CHSC54878  Carex disperma Jim Battagin 1991-8-8 Plumas Plumas National Forest. Along Grigsby Creek, ca 1/1/4 mi east-northeast of Dixie Mountain. 2057 Comment
  RSA88583  Carex douglasii L. S. Rose 1954-5-30 54063 Plumas Johnsville 1601 Comment
  UC570209  Carex douglasii E. Sawyer 1935-7-12 286 Plumas 3 1/2 mi e Beckwith Butte; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC20082  Carex echinata John Thomas Howell 1962-6-17 37656 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CAS-BOT-BC20087  Carex echinata F. Thos. Griggs 1975-1-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  SD130391  Carex echinata subsp. echinata John Thomas Howell 1962-6-17 37656 Plumas Sierra Nevada; Butterfly Valley. 1036 Comment
  CHSC51932  Carex feta K. R. Stern 1985-6-25 8310 Plumas Vicinity of Blairsdan. 1402 Comment
  OBI6447  Carex feta Lewis S. Rose 1967-7-9 67145 Plumas Quincy 1036 Comment
  CDA13994  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-1 13452 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  JEPS117655  Carex hoodii Lowell Ahart 2010-7-27 16925 Plumas On the south side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  RSA71077  Carex hoodii L. S. Rose 1951-6-27 51025 Plumas Johnsville. 1601 Comment
  CHSC99380  Carex infirminervia Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10540 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  CAS-BOT-BC7551  Carex infirminervia George Wilson Gillett; Hans Leschke 1957-7-13 748 Plumas Drakesbad Valley at juncture of Bench Lake and Devils Kitchen trails. 1859 Comment
  CHSC57103  Carex integra L. P. Janeway 1991-7-23 4096 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  CHSC63291  Carex integra Lowell Ahart 1994-6-15 7343 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  RSA95487  Carex integra L. S. Rose 1954-5-30 54066 Plumas Johnsville 1601 Comment
  UCD140409  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Lassen Volcanic National Park. Drakesbad. 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
  RSA201365  Carex lemmonii J. T. Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  SJSU4627  Carex lemmonii C. W. Sharsmith 1969-6-19 7598 Plumas Butterfly Valley, c. 3 mi SW of Keddie 1066 Comment
  UCD140474  Carex lemmonii John Thomas Howell 1960-7-18 35513 Plumas Lassen Volcanic National Park, Drakesbad. Near Soda Spring. 1676 Comment
  CHSC40412  Carex lenticularis var. lipocarpa Lowell Ahart 1985-7-3 5101 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
  CDA36399  Carex leporinella G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3319 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  JEPS120536  Carex luzulina L. P. Janeway 2013-6-2 11123 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckthorn survey monument on the eastern end of Red Mountain. 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
  CDA17779  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3693 Plumas Plumas National Forest; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CDA18701  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3710 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  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
  JEPS67144  Carex multicaulis W. L. Jepson 1939-7-29 19272 Plumas Spring Hill Trail, Meadow Valley 1219 Comment
  UCD140670  Carex multicostata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13239 Plumas Below headwaters of Bull Run Creek. USFS 23N12E 2100 Comment
  CAS-BOT-BC32231  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Crocker Mt quad. S side of Dotta Canyon 2.2 mi SE of Beckwourth-Genesee Road. 1706 Comment
  POM81165  Carex multicostata Marcus E. Jones 1897-7-6 10913 Plumas Prattville. 13 miles west. 1372 Comment
  CAS-BOT-BC119854  Carex nebrascensis John Thomas Howell 1960-7-22 35881 Plumas Wet meadow, Drakesbad 1828 Comment
  CHSC47005  Carex nebrascensis L. P. Janeway 1989-7-20 3507 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  CHSC47015  Carex nebrascensis L. P. Janeway 1989-7-20 3506 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  JEPS117529  Carex nebrascensis Lowell Ahart 2010-9-9 17144 Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  JEPS63506  Carex nebrascensis W. L. Jepson 1939-8-14 19412 Plumas Willow Creek 1828 Comment
  POM81829  Carex nebrascensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC119522  Carex nudata John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2452 Plumas Butterfly and Spanish Creeks, from water's edge near near confluence. 883 Comment
  CHSC99400  Carex pachystachya Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10541 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  UC1778648  Carex pachystachya G. Douglas Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3112 Plumas 0.25 mile W of Round Valley Reservoir Dam, moist meadow at NW shore of the reservoir. 1371 Comment
  CAS-BOT-BC119184  Carex pachystachya D. E. (Mrs. A. A. Beetle) Beetle 1941-6-28 55 Plumas NW corner of Lake Almanor. 975 Comment
  CAS-BOT-BC119193  Carex pachystachya D. A. McMillan 1913-6-1 1 Plumas Harding Meadow. Comment
  CAS-BOT-BC119011  Carex pellita D. H. Esplin; R. K. Gierisch 1968-10-3 5 Plumas Crocker Guard Station horse pasture. 1737 Comment
  CAS-BOT-BC118126  Carex rossii John Thomas Howell 1951-6-28 27709 Plumas Eureka Peak 2255 Comment
  CHSC117443  Carex rossii Lowell Ahart 2016-6-29 21052 Plumas About 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
  JEPS95369  Carex rossii Lowell Ahart 1994-7-7 7470 Plumas SW side of Pacific Crest Trail, S of a poor dirt road, E of the weather station, 1/2 air mile W of Pilot Peak, about 3/4 mi E of Quincy--La Porte Road 1981 Comment
  CAS-BOT-BC117897  Carex scabriuscula John Thomas Howell 1962-6-16 37644 Plumas Feather River North Fork on road to Caribou. 731 Comment
  CHSC77174  Carex simulata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 a Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; at the shore of N arm of the lake. 1706 Comment
  JEPS115921  Carex specifica Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16207 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CAS-BOT-BC117106  Carex spectabilis E. K. Balls 1950-9-1 15598 Plumas East of Long Lake, on slopes S of meadow leading to 2 smaller lakes. 2103 Comment
  SEINET7575696 Image available Carex spectabilis L. P. Janeway 2003-9-20 7999 Plumas Gold Lake 7.5' quad, Northern High Sierra Nevada, in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake, northeast side of Sierra Nevada Crest, Lakes Basin Recreation Area. 2115 Comment
  CHSC53549  Carex stipata var. stipata 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
  JEPS113814  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
  CHSC105833  Carex subfusca Lowell Ahart 2010-7-27 16924 Plumas On the south side of the paved road, about 1/2 mile south of Goat Mountain, about 2 miles (air) northeast of La Porte. 1656 Comment
  CHSC109869  Carex subfusca L. P. Janeway 2012-7-7 10950 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1721 Comment
  CHSC92307  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-10 12304 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
  SEINET4292206 Image available Carex subfusca L. Ahart, Guardino, J 2007-1 14356 Plumas Open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. Comment
  UC1133467  Carex subfusca G. T. Nordstrom 1934-7-2 165 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCD108020  Carex subfusca Tim Kuhn 2006-6-23 66 Plumas near Bagley Pass. Comment
  SEINET10750063  Carex subfusca David Castaner 1984-5-28 Castaner 8055 Plumas 1.8 miles west of Greenhorn Creek. Along Highway 70. Comment
  SEINET7577196 Image available Carex subfusca George W. Gillett 1957-7-19 849 Plumas Lassen Volcanic National Park, on trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen. 2057 Comment
  CHSC99391  Carex utriculata Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10536 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  JEPS123949  Carex utriculata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20424 Plumas On the northwest side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  JEPS117698  Carex vesicaria var. vesicaria Lowell Ahart 2010-10-21 17313 Plumas On wet humus, under moutain alder shrubs, east side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte 1662 Comment
  CHSC96321  Carex whitneyi L. P. Janeway; B. Castro 2006-9-9 8877 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  SD130384  Carex whitneyi John Thomas Howell 20-23 Jun 1977 52407 Plumas Sierra Nevada Mountains; desiccated strand below the high water line on the peninsula of Lake Almanor. 1372 Comment
  CHSC75540  Castilleja applegatei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3201 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC249718  Castilleja applegatei subsp. pinetorum A. A. Heller; P. B. Kennedy 1907-7-3 8701 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC249724  Castilleja applegatei subsp. pinetorum Robert J. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar trail, Middle Fork Feather River 1524 Comment
  JEPS9784  Castilleja applegatei subsp. pinetorum W. L. Jepson 1910-6-5 4060 Plumas near Big Meadows 1371 Comment
  JEPS9787  Castilleja applegatei subsp. pinetorum W. L. Jepson 1939-7-31 19296 Plumas halfway between Buck's Valley and Meadow Valley; Spanish Peak 1676 Comment
  RSA715706  Castilleja applegatei subsp. pinetorum L. Ahart, Josephine Guardino 2005-8-10 12301 Plumas 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. 1822 Comment
  UC1562664  Castilleja arachnoidea Barbara Ertter with Gary Schoolcraft 1989-7-3 8659 Plumas ca 8 air mi s Susanville (ridge between Redrock and Diamond Mt.) 2225 Comment
  SD131939  Castilleja arachnoidea Rimo Bacigalupi, Aldo Bacigalupi 1952-8-19 3951 Plumas slopes to the east of Long Lake 2042 Comment
  JEPS80624  Castilleja lacera M. S. Taylor 1981-4-19 3931 Plumas ca 1 mi nw Prattville (ca 0.75 mi e of Hwy 89, sw side of Lake Almanor, between campground and road to Almanor); Lake Almanor, Almanor SW Quad. 1371 Comment
  JEPS81480  Castilleja miniata M. S. Taylor 1982-8-4 4916 Plumas ca 1 mi nw Taylor Rock (n side of Solomon Saddle Rd, ca 7 air mi ne of Quincy); Greenville SE Quad. 1889 Comment
  RSA59586  Castilleja miniata E. K. Balls 1950-9-1 15668 Plumas East of Long Lake, meadow leading down to two smaller lakes. 2134 Comment
  CDA13979  Castilleja miniata subsp. miniata G. F. Hrusa 1996-8-2 13443 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Uppermost spring forming trib. of Squirrel Creek. Comment
  CHSC77233  Castilleja pilosa G. Schoolcraft 1992-5-27 2240 Plumas About 2 miles s. of Vinton. 1554 Comment
  SD46681  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake Boathouse, Lake Basin area 1981 Comment
  CHSC116157  Castilleja tenuis Lowell Ahart 2015-7-4 20275 Plumas About 110 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  CHSC117029  Castilleja tenuis Lowell Ahart 2016-6-29 21053 Plumas North side of 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 Resevoir Dam. 1698 Comment
  CHSC89502  Castilleja tenuis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3327 Plumas Sierra Nevada. 4.8 miles northwest of Antelope Lake; 0.7 mile east of road to Taylor Lake on the road to Antelope Lake. 1661 Comment
  CHSC94111  Castilleja tenuis Lowell Ahart 2006-7-9 12933 Plumas In a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  UC174716  Castilleja tenuis A. A. Heller and P. B. Kennedy 1907-7-6 8757 Plumas Red Clover Valley Comment
  CAS-BOT-BC47969  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54375 Plumas Sierra Nevada - 0.75 miles northeast of Buck's Summiet on road to Quincy 1600 Comment
  CAS-BOT-BC47970  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54361 Plumas Sierra Nevada - Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1600 Comment
  CAS-BOT-BC48699  Ceanothus cordulatus Rimo Bacigalupi 1927-7-4 1656 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  CHSC101775  Ceanothus cordulatus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15868 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  UC1778625  Ceanothus cordulatus G. Douglas Barbe, T. C. Fuller 1982-7-15 3749 Plumas 7.1 miles northeast of junction with road to Red Hill, Plumas National Forest. 1584 Comment
  CAS-BOT-BC49178  Ceanothus cuneatus Mary Strong Clemens 1920-6-7 s.n. Plumas Taylorsville Comment
  UCD23327  Ceanothus cuneatus E. W. Jameson 1948-12-7 s.n. Plumas 4 mi. east of Quincy. 1097 Comment
  CAS-BOT-BC50728  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2152 Plumas Butterfly Botanical Area and Vicinity - Beargrass Glade 1127 Comment
  CAS-BOT-BC50769  Ceanothus integerrimus David D. Keck 1932-7-3 1648 Plumas Northern Sierra Nevada - Quincy - Hillside south of town (forested). 1188 Comment
  CAS-BOT-BC50770  Ceanothus integerrimus David D. Keck 1932-7-3 1648 Plumas Northern Sierra Nevada - Quincy - Hillside south of town (forested). 1188 Comment
  SD7268  Ceanothus integerrimus Daniel Cleveland 1877-1 Plumas Mill Creek Comment
  CAS-BOT-BC63362  Ceanothus prostratus Elizabeth McClintock 1968-5-18 s.n. Plumas E. of Frenchman Reservoir, n. of Cholcoot. 1706 Comment
  CAS-BOT-BC63367  Ceanothus prostratus Alice Eastwood 1927-6-15 14594 Plumas On trail to Long Valley. United States Forest Reserve. Comment
  JEPS48725  Ceanothus prostratus John W. Duffield 1937-5-23 Plumas rd to Bear Creek Ranger Station Comment
  RSA59352  Ceanothus prostratus E. K. Balls 1950-9-2 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  SEINET196484  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas Southwest side of Camel's Peak ca. 0.75 miles west of mine of United Mining Co Comment
  UC1071281  Ceanothus prostratus R. Roseberry 1934-11-14 15 Plumas 1 1/2 mi s Otis Ranch; Plumas National Forest, Downieville Quad. Comment
  SEINET13946045 Image available Ceanothus prostratus E. K. Balls 1950-1 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. Alt 6900 ft 2103 Comment
  CAS-BOT-BC52167  Ceanothus pumilus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-8 1801 Plumas Near road about a mile toward valley proper from pond reservoir 1082 Comment
  CAS-BOT-BC63290  Ceanothus thyrsiflorus Volney Rattan 1884-5-1 s.n. Plumas Taylorville. Comment
  UC1071499  Ceanothus velutinus var. velutinus A. E. Wieslander 1927-7-10 12 Plumas Silver Creek Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CAS-BOT-BC277045  Centaurea maculosa John Thomas Howell 1959-9-24 34923 Plumas Indian Creek Canyon near Indian Falls Comment
  CAS-BOT-BC277218  Centaurea solstitialis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2193 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC45652  Centaurea stoebe subsp. micranthos Vernon Oswald 1986-7-22 2221 Plumas Hwy 36 at about the center of the causeway at Lake Almanor e of Chester, 9.6 mi e of the Tehama-Plumas County line. Edge of highway. 1379 Comment
  JEPS102414  Centaurea stoebe subsp. micranthos Lowell Ahart and Vernon H. Oswald 2001-7-11 8887 Plumas S side of Hwy 89, W of spillway on the dam at Lake Almanor 1374 Comment
  JEPS118676  Centaurea stoebe subsp. micranthos L. P. Janeway 2011-8-23 10673 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 22N95 at Road 22N05; headwaters of Negro Run Ravine on the upper south slope of Hartman Bar Ridge. Haskins Valley 7.5' quad. Comment
  JEPS113421  Centaurea stoebe subsp. micranthos Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14456 Plumas On the south side of Lake Davis Road, about 1 mile southwest of Lake Davis Dam, about 4 miles (air) north of Portola 1767 Comment
  CAS-BOT-BC106075  Centaurea virgata subsp. squarrosa Margaret Williams; Emily K. Mcpherson 1975-8-5 74 -P-2 Plumas About 1 mi. north of Chilcoot on road to Frenchman's Dam - Sierra Nevada 1524 Comment
  CHSC55487  Cerastium arvense L. P. Janeway 1991-6-14 4010 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek. 655 Comment
  SEINET7712201  Chaenactis douglasii Unknown Plumas Lassen's Peak Comment
  CAS-BOT-BC276735  Chaenactis douglasii var. douglasii W. W. Wagner 1929-6-7 272 Plumas Sockum Creek 1371 Comment
  CAS-BOT-BC140758  Chamaebatia foliolosa Mary Strong Clemens 1920-4-24 s.n. Plumas Greenville Comment
  HSC22983  Chamaesaracha nana John Pratt 1970-7-9 68 Plumas Chester airport Comment
  RSA59273  Chamaesyce serpillifolia E. K. Balls 1950-8-31 15567 Plumas Behind Forest Service Ranger Station, Quincy, American Valley Comment
  CHSC97257  Chamerion angustifolium subsp. circumvagum Lowell Ahart; John Dittes 2007-8-9 14429 Plumas About 50 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  UC1186542  Chamerion angustifolium subsp. circumvagum J. W. MacSwain 1959-8-13 59 -152 Plumas 3.5 mi e Bucks Lake Lodge Comment
  JEPS123940  Cheilanthes gracillima Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20416 Plumas 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  RSA52893  Cheilanthes gracillima R. Weatherby 1950-8-11 1514 Plumas Mount Elwell, Lakes Basin area 2378 Comment
  SEINET11720502  Cheilanthes gracillima R. M. Austin n d s.n. Plumas Crescent Mills Comment
  SEINET10529940  Cheilanthes siliquosa Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4473 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  CAS-BOT-BC451423  Chimaphila menziesii Anna Head 1921-8-6 s.n. Plumas Feather River Region, near Gold Lake Camp Comment
  CAS-BOT-BC452243  Chimaphila umbellata Mrs. Jos. Clemens 1919-10-14 s.n. Plumas Greenville Comment
  RSA794792  Chimaphila umbellata L. Ahart, John Dittes 2009-7-13 16060 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC1120947  Chimaphila umbellata E. Nourse 1934-8-7 6 Plumas 3/4 mi. s.e. Deans Valley (Plot 155); Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC452233  Chimaphila umbellata Anna Head 1920-8-3 s.n. Plumas Gray Eagle Falls, Feather River Region 1828 Comment
  HSC39510  Chrysolepis sempervirens J. O. Sawyer 1976-8-5 2828 Plumas Bucks Summit E of Bucks Lake Comment
  UC1135240  Chrysolepis sempervirens C. G. Albertus 1935-8-2 244 Plumas 3 mi ne Blue Nose; Plumas National Forest, Downieville Quad. 1828 Comment
  SEINET3141689  Chrysopsis breweri E. K. Balls 1950-9-1 15585 Plumas E shore Long Lk., toward Mt. Elwell 2103 Comment
  CAS-BOT-BC100824  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1977-8-11 52671 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CHSC31226  Chrysothamnus viscidiflorus subsp. viscidiflorus M. S. Taylor 1980-10-8 3364 Plumas S side of Beckworth Rd ca. 1/4 mi se of its jct with Beckworth-Genesee Rd, ca. 10 mi e of Taylorsville. Comment
  CHSC59681  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1992-8-10 4288 Plumas Plumas National Forest. Northeast side of Dotta Canyon ca 1 mi northwest of Dotta Neck. 1712 Comment
  CHSC36337  Cicuta douglasii M. S. Taylor 1982-6-28 4776 Plumas Emergent in Feather River, near jct of Calpine Rd and Hwy 70, ca. 1 mi sw of Beckworth. 1487 Comment
  UCD127286  Cicuta douglasii R. Tofsrud 1948-7-20 s.n. Plumas Between Quincy and Quincy Junction. Comment
  CAS-BOT-BC190014  Cinna latifolia Peter Rubtzoff 1978-8-5 9247 Plumas Bucks Lake. Near the mouth of Left Hand Branch Mill Creek. Comment
  JEPS102746  Cinna latifolia Lowell Ahart 2001-7-19 8951 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  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
  SD8768  Cirsium andersonii Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  CHSC53123  Cirsium arvense L. P. Janeway 1990-9-27 3853 Plumas Plumas National Forest. Along a southerly tributary to Joseph Creek about 1 1/4 mi south of Little Grizzly Creek. 1920 Comment
  CAS-BOT-BC284416  Cirsium arvense John Thomas Howell; Gordon H. True 1973-7-31 50138 Plumas On road from Janesville to Thompson Peak, Diamond Range, Sierra Nevada 1905 Comment
  SEINET7451108 Image available Cirsium cymosum var. cymosum A. A. Heller, P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith and Red Clover valley Comment
  CAS-BOT-BC279952  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35986 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET10474557  Cirsium foliosum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4324 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  RSA31207  Cirsium occidentale var. candidissimum Joseph A. Ewan 1934-7-18 8547 Plumas Near Dentens, Mojawk Valley Comment
  CDA1512  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1963-8-28 11173 Plumas Sierra Valley; Loyalton-Vinton Hwy ( Hwy 49), just N of Sierra Co. line. Comment
  UC194757  Cirsium scariosum A. A. Heller and P. B. Kennedy 1907-7-15 8855 Plumas near mouth Little Grizzly Creek (below Genesee) Comment
  CAS-BOT-BC438647  Cistanthe John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54278 Plumas Mt. Hough 2203 Comment
  SEINET9346512  Cistanthe monosperma Unknown 1981-6-26 3369 Plumas Walker Plains Comment
  CAS-BOT-BC228918  Cistanthe umbellata Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent Mills Comment
  CAS-BOT-BC228903  Cistanthe umbellata Robert J. Weatherby 1955-6-22 1533 Plumas Road to Spanish Peak lookout 1828 Comment
  SEINET10453250  Clarkia Mary Susan Taylor 1982-6-10 Taylor 4621 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  CAS-BOT-BC163170  Clarkia lassenensis R. W. Thorp 1963-7-2 63 -52 Plumas 23 miles southeast of Quincy Comment
  UC725743  Clarkia lassenensis A. A. Heller 1942-6-5 16503 Plumas n Highway #24 (along State Highway #89); Feather River Comment
  CHSC89914  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-7-28 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. Located 20-30 feet above the high water mark. 1524 Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  RSA0059904  Clarkia mildrediae subsp. mildrediae J. T. Howell 1951-6-29 27754 Plumas Feather River Canyon 549 Comment
  CHSC70748  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas North side of East Branch North Fork Feather River, across from Paxton; along Hwy 70 0.8 mi west of junction with Hwy 89. Cutbank at beginning of dirt road off of the highway. 883 Comment
  HSC101679  Clarkia rhomboidea Dillon North Davis 2013-5-28 8 Plumas 4.1 miles south on FS Road 25N17 from intersection with Highway 70, ~ 400 m northwest of hairpin turn. 1520 Comment
  UC625489  Clarkia stellata Frank W. Gould 1938-6-26 464 Plumas 3 mi n Greenville (along highway) 1127 Comment
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Mar 30 2008
  SEINET10572751  Claytonia Mary Susan Taylor 1981-5-10 Taylor 3678 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
  CAS-BOT-BC439100  Claytonia cordifolia W. D. Dakan 1977-6-8 s.n. Plumas Plumas National Forest. Gansner Ravine 1158 Comment
  CAS-BOT-BC443636  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1927-6-11 14479 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CAS-BOT-BC443641  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1967-5-9 42216 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC443708  Claytonia rubra L. P. Janeway 1992-5-6 4156 Plumas Plumas National Forest, Beckwourth Ranger District. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  SEINET5336440  Claytonia rubra subsp. rubra D. Solari 1941-3-30 10 Plumas Sandy soil, S facing bank of Stream. 1615 Comment
  CHSC63298  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas On the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC112568  Collinsia parviflora B. Castro; L. P. Janeway 2007-6-9 1635 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. In narrow band of dry to fairly moist sagebrush meadow downstream of small rock dam, near E edge of Thompson Creek, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 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
  RSA79434  Collinsia parviflora F. W. Peirson 1926-6-21 6785 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  SD46708  Collinsia parviflora Robert J. Weatherby 1955-6-22 1541 Plumas damp meadow near top of Spanish Peak 2133 Comment
  JEPS115865  Collinsia rattanii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Northwest of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 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
  RSA184930  Collomia grandiflora L. S. Rose 1966-7-27 66052 Plumas Quincy Comment
  OBI11586  Collomia grandiflora Lewis S. Rose 1966-7-27 66052 Plumas Quincy 1067 Comment
  RSA119387  Collomia grandiflora George W. Gillett 1957-7-18 807 Plumas Near trail on south side of Boiling Springs Lake. 1814 Comment
  UC972193  Collomia heterophylla Milo S. Baker 1952-5-27 12468 a Plumas Hwy 24 perhaps 20 mi below Belden (drinking fountain on right side of highway); Feather River Canyon Comment
  UC1085296  Collomia linearis J. Ewan 1934-7-19 8242 Plumas on sandy embankment along railroad bed Dentens (Blairsden) 1615 Comment
  JEPS122108  Collomia tinctoria Lowell Ahart 2014-8-24 19753 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 Comment
  SBBG128277  Collomia tinctoria L. Ahart, J. Dittes, J. Guardino 2009-6-14 15852 Plumas area of broken rock, cut bank of Forest Rd 27N01Y, ca. 1.3 mi W of Lake Almanor Dam 1462 Comment
  CAS-BOT-BC286166  Conyza canadensis John Thomas Howell 1960-7-20 35775 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CHSC21560  Corallorhiza maculata D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake Floristic Survey. Found in the middle of the section. Comment
  HSC22911  Cordylanthus pilosus John Pratt 1970-7-11 72 Plumas 1677 Comment
  CHSC37523  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1982-9-8 5117 Plumas Along rd on w side of Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  RSA88132  Cordylanthus tenuis subsp. tenuis J. T. Howell 1951-8-20 28224 Plumas Indian Valley. 1098 Comment
  CHSC82132  Cordylanthus tenuis subsp. viscidus L. P. Janeway; B. Castro 2001-6-22 7371 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  UC1748349  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1996-8-9 5064 Plumas about 2 mi S of Haskins Valley (on W side of Road 18 at jct. with Road 23N69); Red Mountain, eastern end 1792 Comment
  CAS-BOT-BC209433  Cornus nuttallii Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC21564  Cornus nuttallii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC210315  Cornus sericea John Thomas Howell 1955-7-20 30842 Plumas Mohawk 1371 Comment
  CHSC43343  Cornus sericea subsp. occidentalis Lowell Ahart 1975-7-2 835 Plumas Along the edges of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  UC565956  Cornus sericea subsp. sericea F. W. Embree 1934-6-6 82 Plumas 1 1/2 mi. n.w. Bucks Mt.; Bidwell Bar Quad. 1524 Comment
  CHSC52522  Corydalis caseana subsp. caseana L. P. Janeway 1990-6-27 3726 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  SBBG70196  Corydalis caseana subsp. caseana J. G. Lemmon -Jun- Plumas Sierra Valley to Big Meadows; ISOTYPE Comment
  CHSC94662  Crassula aquatica Lowell Ahart 2006-10-8 13414 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CAS-BOT-BC290445  Crepis acuminata John Thomas Howell; Gordon H. True 1973-7-31 50121 Plumas Summit ridge of Thompson Peak, Diamond Range 2133 Comment
  SEINET10904934  Crepis acuminata Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4332 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC625500  Crepis acuminata Frank W. Gould 1938-6-27 454 Plumas 5 mi n Blairsden 1371 Comment
  CAS-BOT-BC291559  Crepis intermedia Lewis S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 853 Comment
  CAS-BOT-BC291561  Crepis intermedia A. A. Heller; P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  CHSC100852  Crepis intermedia L. P. Janeway; B. Castro 2008-9-13 9593 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km north-northwest of Grizzly Summit. In and above a road edge drainage near where the road crosses a rocky bouldery north-facing dry drainage. 1649 Comment
  UC476323  Crepis intermedia Mrs. L. W. Swift June, 1931 3034 Plumas Stony Ridge Plumas National Forest, Last Chance Cr. (foot) Comment
  CDA17239  Crepis occidentalis G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16342 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
  CHSC102476  Crepis pleurocarpa L. P. Janeway 2009-8-13 9926 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, 430 m south-southeast of the Buckhorn survey monument. 1909 Comment
  JEPS95601  Crepis pleurocarpa Lowell Ahart 1994-6-29 7411 Plumas 1/2 mi s Bucks Lake 1828 Comment
  RSA107479  Crepis pleurocarpa L. S. Rose 1955-7-20 55156 Plumas Mohawk 1372 Comment
  SEINET10938041  Crepis pleurocarpa Mary Susan Taylor 1981-8-25 Taylor 4242 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  CHSC81642  Crypsis alopecuroides Lowell Ahart 2001-10-8 9333 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS113927  Crypsis alopecuroides W. and N. Harnach 2000-8-2 965 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  CAS-BOT-BC190153  Crypsis vaginiflora John Thomas Howell 1959-9-26 35068 Plumas Sierra Nevada. Near Soda Spring, Feather River Canyon. Ca. 1.5 mile west of Belden. 682 Comment
  CHSC34334  Crypsis vaginiflora L. Ahart 1981-9-6 3100 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the hct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC189304  Cryptantha Clare B. Hardham 1978-8-11 21782 Plumas About 5 miles SE of Thompson Peak Comment
  UCR244661  Cryptantha J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54228 Plumas Sierra Nevada Mtns., 6 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy 1646 Comment
  CAS-BOT-BC189310  Cryptantha John Thomas Howell 1977-8-11 s.n. Plumas Little Last Chance Creek canyon, N of Chilcoot 1676 Comment
  CHSC76041  Cryptantha affinis G. F. Hursa; T. D. Wilfred 1996-7-9 13194 Plumas Grizzily Campground, S. of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  CHSC89809  Cryptantha affinis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3209 Plumas Sierra Nevada. 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  OBI20690  Cryptantha affinis Lewis S. Rose 1967-7-11 67162 Plumas Mt Hough Rd, 6 mi N of Quincy jctn 1707 Comment
  UC280607  Cryptantha ambigua Katharine Brandegee Plumas Portola Comment
  UCD107937  Cryptantha simulans Tim Kuhn 2006-6-13 52 Plumas south of Frenchman Lake. Comment
  JEPS125845  Cryptantha torreyana Dean W. Taylor 2001-8-1 17861 Plumas Watershed divide between Onion Valley Creek and Poorman Creek, 1 mile N of Pilot Peak, ca 10 air miles SE of Quincy, near the junction of Forest Road 22N84X and 22N43Y. Comment
  SD211566  Cryptantha torreyana Barbara Ertter 1988-7-25 7846 Plumas Diamond Mountains circa 12 airmiles South-Southwest of Susanville, Snoring Springs 1/2 mile North of Diamond Mount-Greenville-Red Rock junction. 1981 Comment
  SEINET10870093  Cryptantha torreyana Mary Susan Taylor 1982-9-8 Taylor 5116 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC70458  Cryptogramma acrostichoides Lewis S. Rose 1932-9-4 32620 A Plumas Jamison Lake 1981 Comment
  UC1075646  Cryptogramma acrostichoides Robert J. Weatherby 1950-8-11 1506 Plumas trail to Silver Lake; N Sierra Nevada Mts, Lakes Basin Area 1981 Comment
  RSA176228  Cupressus bakeri C. R. Quick, Wilcox 1962-10-1 62 -2 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  SEINET3863350  Cupressus bakeri M. S. Taylor, M. Foster 1981-8-13 4175 Plumas Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse.; 0 1981 Comment
  SEINET10531423  Cupressus bakeri Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4175 Plumas T26N R11E ne 1/4 sec 23. Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse. 6500 ft. 1981 Comment
  CAS-BOT-BC224381  Cuscuta John Thomas Howell 1962-6-18 s.n. Plumas Northwest part of Sierra Valley 1487 Comment
  JEPS116103  Cuscuta subinclusa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16247 Plumas Growing on Ceanothus integerrimus, on the west side of Forest Service Road 26N22, 1.2 miles (air) east of Seneca 1517 Comment
  POM297939  Cycladenia humilis J. G. Lemmon s.n. Plumas Peaks of Plumas Co. Comment
  CHSC65626  Cycladenia humilis var. humilis L. P. Janeway 1995-6-25 4815 Plumas Upper slope overlooking Butt Creek about 2 mi southwest of Prattville and Lake Almanor. 1432 Comment
  CAS-BOT-BC113876  Cyperus niger var. capitatus John Thomas Howell 1960-8-20 36275 Plumas Wet meadow, Drakesbad 1828 Comment
  CAS-BOT-BC114127  Cyperus squarrosus John Thomas Howell 1959-9-25 34987 Plumas Sandy beach of Feather River, Portola. 1478 Comment
  CHSC55567  Cyperus squarrosus L. P. Janeway 1989-7-7 3464 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CHSC33878  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas Ca. 50 to 100 ft up and s of Buckhorn Creek, ca. 2 ... Field redacted by CHSC, contact the data manager for more information 1584 Comment
  CHSC46168  Cystopteris fragilis Lowell Ahart 1973-5-31 250 Plumas Near the Little North Fork of the Feather River. 1066 Comment
  SEINET10535620  Cystopteris fragilis Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3826 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. S side of Hwy 70, ca. 100 ft W (upslope) of RR track, ca. 200 yds S of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. Yellow Pine Forest opening over serpentine; 4000 ft. 1219 Comment
  CAS-BOT-BC189786  Dactylis glomerata David D. Keck 1932-7-3 1689 Plumas Northern Sierra Nevadas. Quincy. 1065 Comment
  RSA508620  Damasonium californicum Mrs. R. M. Austin 1882-06 s.n. Plumas Big Meadows. Comment
  SJSU12123  Damasonium californicum N. A. Hopkins 1971-6-19 407 Plumas 5 mi SE of Beckwourth, Sierra Valley 1371 Comment
  CHSC60509  Danthonia unispicata L. P. Janeway 1992-5-22 4202 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1499 Comment
  CHSC91601  Danthonia unispicata G. D. Barbe; T. C. Fuller 1982-6-17 3852 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
  POM180942  Danthonia unispicata A. A. Heller, P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC76209  Darlingtonia californica Gladys L. Smith 1959-6-20 1262 Plumas Butterfly Valley, 5 miles from Quincy. 1082 Comment
  RSA247231  Darlingtonia californica Gary D. Wallace, Larry E. DeBuhr 1972-5-21 1061 Plumas West of Keddy in butterfly Botanical Area, Butterfly Valley on Forest Service Road 25N12, N of Blackhawk Creek Comment
  SBBG32403  Darlingtonia californica L. S. Rose 1968-6-11 Plumas Butterfly Valley, 4 mi S of Keddie Marsh 1036 Comment
  UC1191518  Darlingtonia californica Malcolm A. Nobs and S. Galen Smith 1949-8-19 1434 Plumas Butterfly Valley Butterfly Valley (bog and marsh) Comment
  CAS-BOT-BC420649  Darmera peltata Walter Knight; Irja Knight 1966-9-12 1747 Plumas Mouth of Butterfly Creek. 1036 Comment
  JEPS23623  Delphinium L. S. Smith 1920-5-21 1584 Plumas near Calpine (w edge of Valley); Sierra Valley 1676 Comment
  CAS-BOT-BC8924  Delphinium depauperatum Walter Knight; Irja Knight 1966-6-19 2275 Plumas Butterfly Botanical Area Comment
  CHSC65458  Delphinium depauperatum Vernon Oswald 1984-6-25 1318 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. On edge of meadow. 1889 Comment
  RSA71316  Delphinium gracilentum L. S. Rose 1951-6-28 51026 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CAS-BOT-BC9852  Delphinium nudicaule A. A. Heller 1913-6-13 10836 Plumas Near Marston Station 1066 Comment
  SEINET8663390  Delphinium nudicaule C. Tanner 1999-5-7 s.n. Plumas Along "Powerline Road," between C. Roy Carmichael School and unincorporated town of Delleker. 1490 Comment
  CAS-BOT-BC116117  Delphinium nuttallianum A. A. Heller 1913-6-13 10862 Plumas Near Quincy 1066 Comment
  CDA18698  Delphinium nuttallianum G. D. Barbe, T. C. Fuller 1982-6-15 3705 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
  UC854219  Delphinium nuttallianum Alice Eastwood 1918-5-25 Plumas Portola Comment
  HSC27048  Delphinium nuttallianum John Pratt 1970-6-30 59 Plumas Humboldt Summit Comment
  JEPS43411  Delphinium nuttallianum W. L. Jepson 1927-6-23 12300 Plumas near Camp Kelly; Warner Creek 1584 Comment
  UC725758  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas in a wayside ditch along Hwy 89 3 mi s Prattville Comment
  CHSC91595  Deschampsia cespitosa G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. 1158 Comment
  CAS-BOT-BC194264  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-7-18 826 Plumas West bank of inlet to Willow Lake, near north shore of willow Lake 1661 Comment
  UCR123515  Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6862 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CAS-BOT-BC198159  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC198161  Deschampsia danthonioides Lewis S. Rose 1954-5-30 54064 Plumas Johnsville 1600 Comment
  CHSC97619  Deschampsia danthonioides Lowell Ahart; John Dittes 2007-6-17 14179 Plumas On damp sand, along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SD34473  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor; in mountain meadow in open pine forest 1829 Comment
  SEINET4566889  Deschampsia danthonioides W. Harnach, N. Harnach 1991-6-21 562 Plumas Next to railroad bridge east of Co. Rd. A-23, 0.25 miles S of Beckwourth, Sierra Valley 1487 Comment
  SEINET10933459  Deschampsia danthonioides Lawrence P. Janeway 1989-1 Janeway 3462 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of sec. 10. Near to Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CAS-BOT-BC201887  Deschampsia elongata David D. Keck 1944-7-8 5426 Plumas 1 mile N. of Quincy, across Spanish Creek 1066 Comment
  CAS-BOT-BC201895  Deschampsia elongata L. P. Janeway 1992-7-1 4245 Plumas North side of Middle Fork Feather River along drainage of Bonta Creek 1310 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
  HSC100813  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas Bottom of East Branch Creek, E side of Quincy La Porte Rd., 1 3/4 air mi. S of Little Grass Valley Reservoir, 1 mi. NE of La Porte. 1594 Comment
  JEPS76225  Deschampsia elongata W. L. Jepson 1939-8-4 19331 Plumas Meadow Valley, Rock Creek 1219 Comment
  SBBG128585  Deschampsia elongata L. Ahart 2008-9-10 15369 Plumas bottom of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Resservoir, ca. 1 mi NE of La Porte 1593 Comment
  CAS-BOT-BC40913  Descurainia incana Lowell Ahart 1981-7-21 2951 Plumas Along Dixon Creek, north of Pilot Peak. 1600 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-BC43506  Descurainia sophia 1976-6-7 233 Plumas Sierra Y M. On shoulder of Dyson Lane 1.5 km west of metal bridge. 1524 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-BC402573  Dicentra uniflora Robert J. Weatherby 1955-6-21 1535 Plumas Meadow below Spanish Peak lookout 2133 Comment
  SEINET10476262  Dicentra uniflora Mary Susan Taylor 1981-4-30 Taylor 3578 Plumas T22N R8E sw sec 27. American House quad. In plantation, ca. 0.5 mi N of 22N18, ca. 1 mi E of Big Peak and 4 mi W of Little Grass Valley Reservoir. Montane Coniferous Forest; 5600 ft. 1707 Comment
  SEINET208616 Image available Dichanthelium acuminatum subsp. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly valley 3 miles W of Kedie edge of meadows 1067 Comment
  SEINET4572221  Dichanthelium acuminatum subsp. thermale B. Crampton 1964-8-25 7164 b Plumas Lassen National Park, Drakesbad, 1/8 mile south of guest houses, slope above Hot Springs Creek 1676 Comment
  POM319465  Dichelostemma congestum Patricia Wilder 1971-6-21 5138 Plumas 2.8 mi north of California State Hwy 70 on Prattville-Butt Reservoir Road between Belden and Caribou. Cascade - Sierra Nevada Mtn. Range. Drainage Area: Feather River North Fork. 762 Comment
  SD6385  Dichelostemma multiflorum Mrs. Rae Austin 1879-1 Plumas Big Meadows. Comment
  UC843821  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas near Gray's Flat (on the Feather River Highway) 868 Comment
  CHSC97063  Dieteria canescens var. canescens Lowell Ahart; Josephine Guardino 2007-7-21 14379 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  JEPS100473  Dieteria canescens var. canescens Dean W. Taylor 2000-8-12 17569 Plumas ca. 5 air miles SE from Antelope Lake; drainage of Last Chance Creek; Camp 14 (ca. 5 air miles SE from Antelope Lake), drainage of Last Chance Creek, along Forest Road 26N07 1694 Comment
  CHSC69525  Digitaria ischaemum Lowell Ahart 1997-9-11 7907 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/2 mile south of Mosquito Creek, about 4 1/2 miles (air) northeast of Belden. 792 Comment
  CHSC114336  Diplacus layneae G. D. Barbe 1981-6-26 3374 Plumas Walker Plains, basalt formation along the Plumas-Butte county line. 15 Comment
  CAS-BOT-BC151822  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 a Plumas Along a side road, north of Cleghorn Bar Road, about 1 3/4 miles northwest of Finger Board, about 4 1/4 miles northwest of Pilot Peak 1828 Comment
  CAS-BOT-BC151855  Diplacus mephiticus G. D. Hanna 1958-9-18 s.n. Plumas Crystal Mt., Eastern Plumas Co. 2194 Comment
  CHSC97511  Diplacus mephiticus Lowell Ahart; John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC151684  Diplacus torreyi Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CAS-BOT-BC151256  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-3 s.n. Plumas 4.3 miles north of Almanor Inn Comment
  CHSC105649  Dittrichia graveolens Lowell Ahart; John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) west of Twain. 813 Comment
  SEINET8564043  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  CAS-BOT-BC136102  Dodecatheon alpinum Anna Head 1920-7-13 s.n. Plumas Gray Eagle Creek, Lake Center Camp - Feather River Region 1920 Comment
  CHSC55396  Dodecatheon hendersonii Ben Cunningham 1991-4-20 Plumas Ca. 90 ft w of Pecks Valley road and 2 mi ne of Greenville. 1066 Comment
  UC1075814  Dodecatheon hendersonii E. K. Balls and L. W. Lenz 1955-5-14 20708 Plumas 1.5 mi n Greenville (along road to Lake Almanor, Hwy 89); n of Greenville, rd to Lake Almanor 1127 Comment
  UC890636  Downingia bacigalupii Mrs. A. L. Coombs 1906-7 Plumas Prattville Comment
  CHSC10630  Draba verna Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  UC397356  Draba verna Mrs. Jos. Clemens 1920-2-25 7000 Plumas Crescent Mills 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
  RSA189334  Draperia systyla L. S. Rose 1967-7-12 67141 Plumas Cresta, N Fork, Feather River. 762 Comment
  JEPS84396  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  CHSC108031  Drosera rotundifolia L. P. Janeway; B. Castro 2011-10-2 10750 Plumas Northern High Sierra Nevada. North side of Little ... Field redacted by CHSC, contact the data manager for more information 1542 Comment
  JEPS115702  Drymocallis glandulosa var. glandulosa Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15864 -B Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  RSA232879  Drymocallis glandulosa var. reflexa L. S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly Creek and Spanish Creek, near Keddie. 976 Comment
  CHSC98322  Drymocallis lactea var. austiniae L. P. Janeway 2007-6-3 9020 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
  UC176202 Image available Drymocallis lactea var. austiniae A. A. Heller 1913-6-13 10863 Plumas near Quincy; ; Quincy, Plumas Co. 1066 Comment
  CAS-BOT-BC159308  Drymocallis lactea var. lactea John Thomas Howell 1960-7-18 35554 Plumas Meadow border, Drakesbad - Lassen Volcanic National Park 1828 Comment
  CHSC54537  Dulichium arundinaceum V. Oswald; S. Mitchelson, C. Livingston 1991-8-21 4839 Plumas Lassen Volcanic Park. Little Willow Lake located on the south edge the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  RSA246598  Dulichium arundinaceum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  CHSC95025  Dysphania pumilio Lowell Ahart 2006-10-23 13473 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  SEINET4175608  Dysphania pumilio M. J. Williams, J. Howell, W. Follette 1977-8-11 77- 70 -1 Plumas East side of Frenchman's Reservoir 1707 Comment
  CHSC81848  Echinochloa crus-galli Lowell Ahart 2001-10-16 9380 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  UC1101543  Elatine brachysperma Malcolm A. Nobs and S. Galen Smith 1949-8-18 1348 Plumas s end Lake Almanor Comment
  CAS-BOT-BC113710  Eleocharis acicularis John Thomas Howell; Walter Knight; Irja Knight 1967-6-12 2000 Plumas Near spring, Butterfly Botanical Area. 1127 Comment
  CAS-BOT-BC113704  Eleocharis acicularis Lowell Ahart 1980-10-6 2668 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  SEINET11750486  Eleocharis acicularis Unknown 1985-1 5125 Plumas Little Grass Valley Reservoir, where South Fork Feather River flows in lake ca 4.25 mi NE of LaPorte 1585 Comment
  CAS-BOT-BC113509  Eleocharis bella John Thomas Howell 1960-7-19 35706 Plumas Wet meadow, Drakesbad. 1828 Comment
  RSA52942  Eleocharis bella R. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville. 1098 Comment
  UC1028645  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas Taylorsville, N edge 1097 Comment
  CAS-BOT-BC113381  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  CAS-BOT-BC113392  Eleocharis engelmannii var. detonsa John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2146 Plumas Pond reservoir, Butterfly Botanical Area. 1127 Comment
  CAS-BOT-BC113386  Eleocharis engelmannii var. detonsa Clarence Roy Quick 1952-9-5 52 -304 Plumas Wet place NW of Almanor Comment
  CHSC78742  Eleocharis obtusa Jim Battagin 2000-6-9 Plumas Feather River College. 1045 Comment
  CHSC80885  Eleocharis quinqueflora Lowell Ahart; Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile northwest of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) northwest of Greenville. 1447 Comment
  RSA101478  Eleocharis quinqueflora R. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  CAS-BOT-BC112042  Eleocharis torticulmis Walter Knight; Irja Knight 1966-6-18 1339 Plumas Butterfly Valley 1097 Comment
  SEINET10912968 Image available Eleocharis torticulmis Lawrence P. Janeway, B. Castro 2000-7-3 Janeway 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. Gently sloping Darlingtonia fen. 1177 Comment
  RSA550619  Elodea nuttallii G. Sommers 1976-6-29 135 Plumas Sierra Valley Marsh, from channel crossed by metal bridge on Dyson Lane. 1524 Comment
  SEINET10501561  Elodea nuttallii Mary Susan Taylor 1982-8-9 Taylor 4955 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-BC197353  Elymus W. W. Wagner 1919-6-7 277 Plumas Sockum Creek, Vicinity of Quincy 1310 Comment
  CAS-BOT-BC227597  Elymus elymoides Gladys L. Smith 1959-6-20 1254 Plumas At Plumas - Sierra county line on Gold Lake to Feather River route 1828 Comment
  CAS-BOT-BC227601  Elymus elymoides Rimo Bacigalupi 1927-7-11 1720 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC227606  Elymus elymoides John Thomas Howell 1977-6-20 52413 Plumas On the peninsula of Lake Almanor 1371 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-BC206502  Elymus glaucus subsp. glaucus Clare B. Hardham 1978-8-11 21771 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC206521  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 A Plumas Canyon of Butterfly Creek just above its mouth, Plumas Canyon - Sierra Nevada 1036 Comment
  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
  CAS-BOT-BC228657  Elymus multisetus John Thomas Howell 1955-7-19 30779 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC213817  Elymus repens John Thomas Howell 1967-6-22 42663 Plumas Court house square, Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC204249  Elymus trachycaulus subsp. subsecundus John Thomas Howell 1960-7-18 35607 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS121765  Elymus trachycaulus subsp. subsecundus B. Castro and L. P. Janeway 2009-8-29 1800 C Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.13 mi S of the Buckhorn survey monument; 0.2 mi upslope of the jcn of USFS Rd 23N69 and Rd 23N36Y ( to Martin Mine). Comment
  CHSC112380  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 2014-7-17 11563 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
  POM267990  Elymus trachycaulus subsp. trachycaulus D. D. Keck 1944-7-8 5419 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather River 1357 Comment
  CHSC92191  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2005-9-20 12459 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  CHSC99973  Elytrigia intermedia subsp. intermedia Lowell Ahart 2008-9-10 15370 Plumas On the north side of East Branch Creek, on the south side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CDA2053  Elytrigia repens J. T. Howell 1961-9-23 36826 Plumas Indian Valley. Comment
  UCD96754  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-30 s.n. Plumas Rich Gulch. 1173 Comment
  NY70833  Ephedra viridis E. B. Babcock 1936-6-7 1735 Plumas North of Chilcoot 1767.8 Comment
  CAS-BOT-BC165923  Epilobium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54097 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 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
  CHSC97508  Epilobium brachycarpum Lowell Ahart; John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA252404  Epilobium brachycarpum Robert F. Thorne, C. W. Tilforth 1969-9-6 39230 Plumas S of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  CAS-BOT-BC171706  Epilobium canum subsp. latifolium M. S. Taylor 1981-9-14 4277 Plumas N side of spur rd through center of Dark Ravine, ca. 1/4 mi n of Rush Creek, ca. 5 air mi ese of Greenville 1584 Comment
  CAS-BOT-BC171722  Epilobium canum subsp. latifolium H. Albert Barker 1926-7-11 111 Plumas Blairsden - Gold Lake Grade 1676 Comment
  CHSC21684  Epilobium canum subsp. latifolium D. Brink; L. Mayer 1975-7-29 Plumas Buck's Lake. Comment
  CHSC43547  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 610 Plumas In a ravine near the road, about 1/2 mile north of Nelson Creek and near Zumwalt Flat, about 11 miles south-west of Sloat. 1676 Comment
  UC1012958  Epilobium canum subsp. latifolium A. R. Kruckeberg 1951-9-2 2898 Plumas below summit of Lakes Basin Road (in wash) Comment
  JEPS39279  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1924-7-25 10638 Plumas Meadow Valley 1158 Comment
  RSA715591  Epilobium ciliatum subsp. ciliatum L. P. Janeway 1994-8-24 4749 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground 1299 Comment
  CHSC65343  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1995-10-1 7650 Plumas On the bottom of a pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS107495  Epilobium ciliatum subsp. glandulosum Lowell Ahart, John Dittes 2005-9-19 12388 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake 2080 Comment
  POM46380B  Epilobium hallianum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC21515  Epilobium hornemannii subsp. hornemannii L. Mayer; D. Brink 1975-7-8 Plumas Buck's Lake. Comment
  CHSC64451  Epilobium luteum B. Castro; L. Gehrung 1994-8-11 543 Plumas Ca 2 air mi SE of Pilot Peak, on the NE end of Bunker Hill Ridge, in spring on a E-facing slope along USFS Rd 22N10. Black Diamond Ridge is immediately SE. Perennial spring/waterfall extends both above and below road ca 0.2 mi N of U-shaped hairpin turn in road, on W side of the turn. 1706 Comment
  JEPS95394  Epilobium obcordatum Lowell Ahart 1994-7-22 7490 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  UC1586464  Epilobium oregonense Vernon H. Oswald and Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd 5.2 (odometer) mi ne of Humbug summit (between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  UC1075721  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas No Ear Bar Middle Fork Feather River 914 Comment
  UC429342  Epipactis gigantea Mrs. R. M. Austin July 1878 300 Plumas Mt. Dyer Comment
  CAS-BOT-BC56993  Equisetum arvense Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1875 Plumas in Butterfly Valley proper 1036 Comment
  CAS-BOT-BC56994  Equisetum arvense John Thomas Howell 1976-7-15 51856 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CHSC102045  Equisetum hyemale subsp. affine Lowell Ahart; John Dittes 2009-7-27 16162 Plumas On damp soil, high area in a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CAS-BOT-BC57405  Equisetum laevigatum Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad Comment
  SEINET10834148  Equisetum laevigatum Mary Susan Taylor 1981-8-31 Taylor 4254 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
  RSA595069  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon. 610 Comment
  CAS-BOT-BC174213  Eremogone congesta var. congesta M. S. Taylor 1981-7-17 4040 Plumas Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi s of Mohawk 1981 Comment
  RSA0124154  Eriastrum signatum L. S. Rose 1955-7-19 55140 Plumas Beckworth Pass. 1494 Comment
  UC1562325  Eriastrum sparsiflorum Vernon Oswald and Lowell Ahart 1990-7-25 4400 Plumas on Hwy 70 0.9 mi e Vinton; Vinton Cemetary 1524 Comment
  CAS-BOT-BC286652  Ericameria bloomeri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC36880  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC62427  Ericameria bloomeri L. P. Janeway 1993-9-28 4603 Plumas Plumas National Forest. 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
  JEPS31334  Ericameria bloomeri R. F. Hoover 1940-9-22 4627 Plumas Chester Comment
  RSA201300  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  SJSU14220  Ericameria nauseosa var. oreophila N. A. Hopkins 1989-8-29 1592 Plumas near Dyson Lane ca. 6 miles north of Loyalton, Sierra Valley 1524 Comment
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Apr 14 2013
  CAS-BOT-BC294280  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest, Beckwourth Ranger District. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth 1752 Comment
  CAS-BOT-BC299435  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1929-10-1 s.n. Plumas Gold Lake Comment
  CHSC55184  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CHSC67338  Ericameria nauseosa var. speciosa J. D. Jokerst 1984-9-22 2151 Plumas Top of ridge between Yellow Creek and the North Fork Feather River adjacent to USFS road 26N26 at the top of the steep drop into Yellow Cr. 1463 Comment
  UC1119859  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-7 254 Plumas 3 1/4 mi se of English Bar; Downieville Quad. 1554 Comment
  SDSU6366  Ericameria parryi var. latior D. F. Howe 1959-8-3 2782 Plumas Roadside, 42 mi, north of Quincy. 1372 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-BC293026  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34976 Plumas Beckwourth 1493 Comment
  JEPS75283  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-25 36964 Plumas Portola Sierra Nevada 1478 Comment
  JEPS95328  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 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
  CHSC34305  Erigeron divergens L. Ahart 1981-9-6 3065 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  CHSC65486  Erigeron divergens L. P. Janeway 1995-9-19 4933 Plumas 1.3 mi southeast of the southern tip of Crocker Mountain and 0.3 mi northwest of Crocker Meadow. 1673 Comment
  POM186540  Erigeron divergens D. D. Keck 1932-7-3 1623 Plumas North of Spanish Creek. Quincy, northern Sierra Nevada 1067 Comment
  RSA523561  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas West side of ridge between Diamond Mt. and Red Rock, ca. 8 air miles S of Susanville 2226 Comment
  CHSC97279  Erigeron filifolius var. filifolius Lowell Ahart; John Dittes 2007-8-9 14433 Plumas In the poor road, east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  SEINET8667321 Image available Erigeron glacialis R. McKee, H. L. Westover 1918-7-15 s.n. Plumas Chester Comment
  CHSC60601  Erigeron glacialis var. glacialis L. P. Janeway 1984-9-1 1117 Plumas Lakes Basin; on Sierra crest west of Mt. Elwell. 2286 Comment
  JEPS41395  Erigeron glacialis var. glacialis Mrs. Emanuel Esther C. Fritz 1933-7-15 Plumas on summit near road Spanish Peak 2133 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
  CHSC102663  Erigeron inornatus var. inornatus Lowell Ahart; John Dittes 2009-8-28 16356 Plumas On dry bare soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC52725  Erigeron inornatus var. inornatus L. P. Janeway 1990-8-24 3833 Plumas Plumas National Forest. Slope above Crystal Cr ca 1 1/2 mi W of Red Clover Cr. Along edge of dirt road. 1889 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
  CHSC76118  Erigeron inornatus var. inornatus G . D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3289 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  JEPS123964  Erigeron lassenianus var. deficiens Lowell Ahart 2015-7-4 20287 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC295485  Erigeron lassenianus var. lassenianus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2454 Plumas Butterfly Botanical Area and vicinity. Butterfly Creek Canyon 990 Comment
  CAS-BOT-BC295497  Erigeron lassenianus var. lassenianus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  CHSC112520  Erigeron lassenianus var. lassenianus L. P. Janeway 2014-7-15 11528 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the west edge of Happy Valley. 1748 Comment
  JEPS55231  Erigeron lassenianus var. lassenianus Lewis S. Rose 1967-7-11 67160 Plumas 9.5 mi ne Quincy Junction 1249 Comment
  CHSC118839  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015005 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  RSA626474  Eriogonum baileyi var. praebens J. T. Howell 1955-7-19 30806 Plumas Sagebrush Flat, Vinton 1512 Comment
  SEINET244749 Image available Eriogonum douglasii James L. Reveal 2002-6-25 8361 Plumas Squaw Valley; Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9. airmiles NNW of Beckwourth. 1710 Comment
  NY571233  Eriogonum elatum S. L. Welsh 2001-6-13 28136 Plumas West end of Dixie Valley, north of Beckwourth 1711.5 Comment
  CAS-BOT-BC246533  Eriogonum elatum var. elatum Lewis S. Rose 1934-7-23 34421 Plumas Chilcoot, Sierra Valley 1522 Comment
  RSA252384  Eriogonum elatum var. elatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39251 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC259353  Eriogonum lobbii M. S. Taylor 1982-8-5 4930 Plumas Mt Hough summit, on cliff edge, ca. 7 mi nne of Quincy 2194 Comment
  JEPS56731  Eriogonum marifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  RSA766343  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8269 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  SEINET524404  Eriogonum marifolium Paul A. Opler 2003-6-26 Plumas Trail to Frazier Fall, Graeagle Rd. Comment
  UC635078  Eriogonum marifolium Ethel Wickes July 1925 2892 Plumas Mt. Elwell Comment
  SEINET10871611  Eriogonum marifolium Mary Susan Taylor 1981-7-6 Taylor 3975 Plumas T24N R15E nw/ne sec 15. Dixie Mt quad. Top of Dixie Mt near the Lookout, ca. 5 air mi W of N tip of Frenchman Lake, ca. 13 air mi NW of Chilcoot. Pure volcanic rock outcrop; 8327 ft elev. 2538 Comment
  CAS-BOT-BC263304  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1967-7-11 43343 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC263310  Eriogonum marifolium var. marifolium Robert J. Weatherby 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  SEINET9322469  Eriogonum nudum Unknown 1982-6-17 3799 Plumas Plumas County Comment
  CAS-BOT-BC261368  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2225 Comment
  SEINET5330926  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 8834 Plumas Between Taylorville and Little Grizzly Creek Comment
  CHSC34732  Eriogonum nudum var. nudum M. S. Taylor 1981-7-27 4125 Plumas Roadside, n side of Beckwourth-Genesee Rd, ca. 7 air mi e of Genesee. 1645 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
  RSA59486  Eriogonum nudum var. nudum E. K. Balls 1950-9-15 15863 Plumas South tip Lake Almanor, near P. G. E. dam, Highway 89. 1372 Comment
  CAS-BOT-BC269722  Eriogonum nudum var. oblongifolium Alice Eastwood 1927-6-15 14619 Plumas Keddie, on trail to Long Valley Comment
  SEINET10479530  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-8-30 Taylor 5075 Plumas T27N R11E se sec 26. Kettle Rock quad. Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville. 6300 ft. 1920 Comment
  CAS-BOT-BC269956  Eriogonum spergulinum var. reddingianum Alice Eastwood 1927-6-27 14888 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  SEINET5331559  Eriogonum spergulinum var. reddingianum A. A. Heller, B. B. Kennedy 1907-7-11 8801 Plumas Prattville. Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  SEINET9333662  Eriogonum strictum Unknown 1982-6-17 3816 Plumas Frenchman Reservoir Comment
  CAS-BOT-BC262783  Eriogonum strictum var. proliferum Emily K. Mcpherson 1976-11-7 76- 32 -9 Plumas 5 mi. north of Beckwourth 2055 Comment
  CAS-BOT-BC267492  Eriogonum umbellatum Gregory Whipple 1973-7-23 s.n. Plumas Vicinity of Quincy Comment
  CAS-BOT-BC267501  Eriogonum umbellatum John Thomas Howell 1951-6-29 27748 Plumas Spring Garden Creek 1158 Comment
  CDA13437  Eriogonum umbellatum var. dumosum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13284 Plumas Sierra Nevada; Dry, rocky ridgetop on USFS 23N11A, N of Hwy 70, E - 6-7 mi. from Spring Garden. Comment
  JEPS118578  Eriogonum umbellatum var. furcosum L. P. Janeway 2009-8-13 9922 Plumas Northern High Sierra Nevada. Plumas National Forest; 1.3 km south of the top of Mt Ararat along its extended broad ridgeline. Haskins Valley 7.5' quad. Comment
  CHSC45851  Eriogonum umbellatum var. modocense Lowell Ahart 1975-7-20 924 Plumas Growing on the dry rocky ridge east of Mount Etna, about 12 miles north-east of La Porte. 2133 Comment
  CHSC82544  Eriogonum umbellatum var. modocense Lowell Ahart 2002-7-18 9859 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  CAS-BOT-BC265149  Eriogonum umbellatum var. nevadense A. A. Heller; P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley Comment
  CHSC97177  Eriogonum umbellatum var. nevadense Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14050 Plumas About 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS113562  Eriogonum umbellatum var. nevadense Lowell Ahart, John Dittes 2007-6-17 14153 Plumas About 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CHSC63468  Eriogonum umbellatum var. polyanthum Lowell Ahart 1994-7-28 7528 Plumas Northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  CHSC67440  Eriogonum umbellatum var. polyanthum J. D. Jokerst 1984-9-22 2150 Plumas Adjacent to USFS road 26N26. (On ridge between the N Fork Feather River and Yellow Cr.) At top of steep slope of Yellow Creek, where road crosses over low saddle. 1463 Comment
  JEPS95132  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas about 2 air mi ne of Belden (about 1 1/2 air mi sw of Red Hill, on e side of the dirt road to the siphon, about 1/8 mi n of the siphon) 792 Comment
  CAS-BOT-BC262259  Eriogonum ursinum Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  JEPS115130  Eriogonum ursinum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16216 Plumas On dry rocky soil, along a drainage from a snow lake, about 100 yards northeast of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CAS-BOT-BC262261  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam 1219 Comment
  JEPS56202  Eriogonum ursinum J. G. Lemmon Sept. 1878 Plumas Mohawk and Indian Valleys Comment
  RSA766451  Eriogonum ursinum Joseph A. Ewan 1934-6-26 8287 Plumas Frazier Creek Falls, Gold lake road 1829 Comment
  RSA7875  Eriogonum ursinum H. A. Barker 1927-7-3 769 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake 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
  CHSC75519  Eriogonum ursinum var. ursinum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3120 Plumas Dry rocky slope next to seep area in serpentine, 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CAS-BOT-BC264126  Eriogonum vimineum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2184 Plumas Mouth of Butterfly, Butterfly Botanical Area and vicinity 883 Comment
  CHSC53062  Eriogonum vimineum L. P. Janeway 1989-6-30 3423 Plumas Plumas National Forest Beckwourth Ranger District Crocker. Barren volcanic outcrop, NW-facing slope above rd 24N45Y 0.2 mi E of Beckwourth-Genesee Rd (rd111) 6.4 mi E of Beckwourth; across from the Crocker Station. 1767 Comment
  JEPS95126  Eriogonum vimineum Lowell Ahart 1997-9-11 7905 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on the e edge of Caribou Road, on w side of the North Fork of the Feather River); North Fork of the Feather River 792 Comment
  NY399606  Eriogonum vimineum W. W. Eggleston 1910-8-27 6229 Plumas Clio 1390 Comment
  NY399821  Eriogonum vimineum Mrs. Ames 1876-1 s.n. Plumas Comment
  UC1980591  Eriogonum vimineum James L. Reveal 1975-8-24 3975 Plumas Along California Highway 70in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground Comment
  CAS-BOT-BC264121  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas North side of road, about 2 miles north of Belden on Caribou Road 1200 Comment
  RSA59474  Eriogonum vimineum E. K. Balls 1950-9-16 15877 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  RSA706445  Eriogonum vimineum James L. Reveal 1975-8-24 3975 Plumas Along California Highway 70 in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground, 877 Comment
  SEINET11933187  Eriogonum vimineum M. S. Taylor 1982-1 4983 Plumas along Jackson Creek Rd (23N48) ca 1 mi NW of Mt.Jackson, ca 5 air mi NW of Mohawk 1646 Comment
  UCD132170  Eriophyllum lanatum Matt Georgeff 1992-5-17 19 Plumas Snake Lake campground, 15 miles west of Quincy. Comment
  JEPS59949  Eriophyllum lanatum var. croceum Lewis S. Rose 1969-6-24 69050 Plumas 3 mi w Keddie; Butterfly Valley 1158 Comment
  UC1118258  Eriophyllum lanatum var. grandiflorum D. Axelrod 1934-6-9 28 Plumas 2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC308270  Eriophyllum lanatum var. integrifolium Lincoln Constance 1933-7-5 117 Plumas 1 mile north of Indian Fall Comment
  CDA5416  Eriophyllum lanatum var. integrifolium Vernon H. Oswald & Lowell Ahart 1998-8-11 9490 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Road (County Road 511) northwest of Pilot Peak. Comment
  CHSC48158  Eriophyllum lanatum var. integrifolium Vernon Oswald 1986-7-10 2188 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC71632  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1998-8-11 9490 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak. 1920 Comment
  CHSC90611  Erysimum capitatum John P. McKeon 1980-4-19 5 Plumas Ca. 20 m e of Rock Creek and .5 km nw of confluence with Feather River, 5 km east of Plumas-Butte County line. 600 Comment
  CAS-BOT-BC54687  Erysimum capitatum var. capitatum John Thomas Howell 1976-7-16 51882 Plumas Sierra Nevada. Spanish Creek near mouth of Slate Creek. 1066 Comment
  CAS-BOT-BC153745  Erythranthe alsinoides H. C. Cantelow 1938-7-4 2322 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  CHSC97470  Erythranthe breweri Lowell Ahart; John Dittes 2007-6-16 14151 Plumas On the sides of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC112610  Erythranthe guttata Lowell Ahart 2013-9-11 19027 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC21349  Erythranthe guttata F. T. Griggs; A. Pass 1975-7-8 97 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC9723  Erythranthe guttata Nancy Mosman 1971-7-11 91 Plumas Along w side of Hwy 70 ca. 1.7 mi s if Belden. 1025 Comment
  CHSC75544  Erythranthe microphylla G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3110 Plumas Northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC153619  Erythranthe moniliformis John Thomas Howell 1976-7-16 51910 Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  SEINET14060286 Image available Erythranthe moniliformis A. A. Heller 1942-1 16522 Plumas Lassen Park; near the Bronkoff Trail above the Sulpher Works Checking Station Comment
  CHSC20823  Erythranthe primuloides K. R. Stern 1975-7-23 5835 Plumas NW shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC293715  Erythranthe suksdorfii Mona Bourell; Bob Patterson 1982-5-15 1736 Plumas Beckworth Comment
  RSA0091209  Erythronium Bonnie C. Templeton 1968-1 11282 Plumas [No location data on label. Possibly Trinity County.] Comment
  SD6487  Erythronium purpurascens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC505248  Erythronium purpurascens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1954 Plumas Fern Glen, Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC505254  Erythronium purpurascens Elmer I. Applegate 1929-6-21 5802 Plumas Drakesbad, head of Warner Valley, Mt. Lassen National Park Comment
  SEINET10469553  Erythronium purpurascens Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4469 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  SEINET10469555  Erythronium purpurascens Mary Susan Taylor 1981-5-8 Taylor 3655 A Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CAS-BOT-BC402621  Eschscholzia caespitosa H. L. Mason 1924-6-15 1034 Plumas Graeagle Comment
  CHSC97265  Eucephalus breweri Lowell Ahart; John Dittes 2007-8-9 14445 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
  SD61124  Eucephalus breweri Darley F. Howe 1964-7-29 Plumas 2 miles from Gold Lake Lodge. Comment
  CDA20081  Euphorbia myrsinites T. Gibson 2002-11-15 PDR 1089395 Plumas Sierra Nevada; Vicinity of Quincy. 0 Comment
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Jun 12 2017
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  CHSC100446  Eurybia integrifolia Lowell Ahart 2008-9-10 15377 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC91942  Eurybia integrifolia Lowell Ahart; Josephine Guardino 2005-8-9 12257 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC81752  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1365 Comment
  CAS-BOT-BC413895  Fallopia convolvulus David D. Keck 1932-7-3 1669 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CDA18700  Festuca G. D. Barbe, T. C. Fuller 1982-6-15 3711 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CAS-BOT-BC278465  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC278848  Festuca occidentalis John Thomas Howell 1973-7-10 49750 Plumas Near Greenville 1097 Comment
  CAS-BOT-BC278854  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  CHSC37293  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of Eureka Ridge Rd, ca. 1 air mi w of White Cap ca. 4 air mi sw of Sloat. 1767 Comment
  RSA300179  Festuca occidentalis J. T. Howell 1973-7-10 49750 Plumas Open yellow pine forest near Greenville. 2622 Comment
  CHSC67619  Festuca pratensis James D. Jokerst 1985-6-10 2397 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  SEINET6225255  Festuca reflexa L. S. Rose 1967-1 67115 Plumas Butterfly Valley, ca 3 mi W of Keddie. Comment
  RSA700311  Festuca subulata L. Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  JEPS87591  Festuca viridula Lowell Ahart 1994-7-7 7469 Plumas ca. 1/4 mi. (air) s.w. Pilot Peak (w. side of Pacific Crest Trail); Pacific Crest Trail 2011 Comment
  CHSC75401  Fragaria virginiana Vernon H. Oswald 1999-5-26 9729 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. On forest floor between the road and a meadow. 1371 Comment
  CAS-BOT-BC459444  Fragaria virginiana subsp. platypetala Ella Dales Cantelow 1938-7-4 2307 Plumas Drakesbad Comment
  CAS-BOT-BC63010  Frangula californica subsp. crassifolia John Thomas Howell 1951-8-19 28167 Plumas Rich Bar. 792 Comment
  CAS-BOT-BC55676  Frangula purshiana Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  UCD50250  Frangula purshiana Daniel Axelrod early 1974? 4 Plumas Northwest of Jamison Mine, 1 mile above (south of) Johnsville, on east side of Eureka Plumas State Park, Southern Plumas County, California. 1828 Comment
  CHSC98925  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9198 Plumas Northern High Sierra Nevada. Along Caribou Road and North Fork Feather River 4.5 road km north of Hwy 70. Along the creek edge. 759 Comment
  JEPS119733  Frangula purshiana subsp. annonifolia Lowell Ahart 2012-7-1 18255 Plumas About 200 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  JEPS113884  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-5-20 8982 Plumas Northern High Sierra Nevada; Top of Red Hill 1929 Comment
  CAS-BOT-BC53794  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  HSC99905  Frangula rubra subsp. rubra J. O. Sawyer, & J. P. Smith 2004-7-15 4573 Plumas Along road to Belden on Hwy. 70, on the N Fork Feather River. 675 Comment
  CAS-BOT-BC505267  Fritillaria atropurpurea W. W. Wagner 1919-5-18 259 Plumas Hillside Sockem Creek 1371 Comment
  CAS-BOT-BC505279  Fritillaria atropurpurea Lowell Ahart 1976-6-18 s. n. Plumas At the Bunker Hill Mine 1828 Comment
  JEPS61889  Fritillaria atropurpurea John Warren Duffield 1937-5-23 Plumas road to Bear Creek Ranger Station (above Meadow Valley) Comment
  SEINET10469562  Fritillaria atropurpurea Mary Susan Taylor 1981-1 Plumas Comment
  CAS-BOT-BC506205  Fritillaria micrantha J. Ed. McClellan; Bonnie McClellan 1968-6-10 s.n. Plumas Red Hill 1767 Comment
  CAS-BOT-BC506185  Fritillaria pudica W. Harnach; N. Harnach 1989-3-29 003 Plumas Sierra Valley, (hillside north of Barry corrals) 1499 Comment
  SEINET8478972  Fritillaria pudica C. Tanner 1999-3-29 s.n. Plumas S-facing granitic slope within city limits of Portola (area bounded by Plumas/Quincy sts on N and S, Willow and Rock on E and W). 1484 Comment
  CHSC101793  Galium aparine Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  JEPS127031  Galium bifolium Lowell Ahart 2016-6-2 20914 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  JEPS28625  Galium bifolium George W. Gillett 1957-7-18 813 Plumas ne side Boiling Springs Lake (near trail); Lassen Volcanic National Park 1813 Comment
  POM147082  Galium bifolium Alice Eastwood 1927-06 14635 Plumas Long Valley. United States Forest Reserve. Comment
  CHSC21530  Galium bolanderi D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake Forest Service Survey. Comment
  UCD40408  Galium bolanderi Rodney Gale Myatt 1971-6-13 745 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  JEPS26687  Galium bolanderi P. C. Hutchison 1961-6-9 2121 Plumas along hwy US Alt. 30 at bridge 2 mi s (below) Rich Bar (cliff above road); canyon of the north fork of the Feather River Comment
  RSA523639  Galium bolanderi W. L. Jepson 1939-7-31 19290 Plumas W of Meadow Valley 1524 Comment
  CHSC36938  Galium grayanum M. S. Taylor 1982-8-5 4932 Plumas Mt Hough summit, on cliff above Crystal Lake, ca. 7 mi NNE of Quincy. 2203 Comment
  CHSC21289  Galium trifidum F. T. Griggs; A. Pass 1975-8-5 306 Plumas Buck's Lake Forest Service Survey. Comment
  POM69202  Galium trifidum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET13710064  Galium trifidum subsp. subbiflorum Lowell William Ahart, Lowell William Ahart 2001-1 9205 Plumas Lake Almanor 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CDA9210  Garrya fremontii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .29 Plumas Plumas Eureka State Park. S Johnsville Comment
  UCD121165  Garrya fremontii M. Vincent 1964-4-10 554 Plumas Hwy. 1 mile southwest of Virgilia. 12 Comment
  CAS-BOT-BC169858  Garrya fremontii John Thomas Howell 1978-4-19 52853 Plumas yellow pine forest, eastern part of Quincy 1036 Comment
  SEINET10453488  Garrya fremontii Mary Susan Taylor 1981-8-19 Taylor 4219 Plumas T23N R11E ne 1/4 se 1/4 sec. 17. Blue Nose Mt. S side of 23N10, 0.2 mi W of Bell Creek, ca. 1.5 mi W of Sloat. 4500 ft. 1372 Comment
  UCD147792  Gayophytum Allyson Ayalon; Lucie Jerabkova 2012-8-1 145 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  SDSU8778  Gayophytum diffusum subsp. parviflorum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, Calif. Comment
  CHSC113876  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS107701  Gayophytum heterozygum Lowell Ahart, John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2049 Comment
  OBI12033  Gayophytum heterozygum Lewis S. Rose 1966-7-28 66074 Plumas Quincy 1067 Comment
  JEPS115786  Gayophytum humile Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15877 Plumas About 1600 feet southwest of Lake Almanor Dam 1386 Comment
  CHSC97474  Gayophytum racemosum Lowell Ahart; John Dittes 2007-6-16 14088 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET10454845  Gentiana calycosa Mary Susan Taylor 1982-8-23 Taylor 5042 Plumas T25N R8E nw/se sec 19. Almanor SW quad. On both sides of Virgilia-Meadow Valley Rd (25N17), in small creek, ca. 0.5 mi w of York Cr, s of 12 Mile Ravine, ca. 1.5 mi sw of Virgilia. 4400 ft. 1341 Comment
  UC405456  Gentianopsis holopetala Mrs. R. M. Austin 1895-1 Plumas Ferndale Comment
  SEINET7721290  Geum macrophyllum Unknown Plumas Ohio Valley [sic] Comment
  JEPS107951  Gilia capillaris Lowell Ahart, Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  SEINET7719969  Gilia capitata Unknown Plumas Butterfly Valley Comment
  RSA63405  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-6-13 8579 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  SEINET12326104  Gilia leptalea W. Knight, Knight, I. 1983-1 4895 Plumas between Chester and Drakesbad, Warner Creek Campground 1539 Comment
  CAS-BOT-BC123820  Githopsis latifolia A. L., Mrs. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  SBBG104016  Gnaphalium palustre W. Knight, I. Knight 1966-6-19 1359 Plumas near pond reservoir, Butterfly Valley 1097 Comment
  SEINET3145226  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, Mt. Ingalls, N of Grizzly valley 2256 Comment
  RSA122378  Gnaphalium palustre E. Sawyer 1935-6-27 160 Plumas Sierraville 1524 Comment
  SEINET10474670  Gnaphalium palustre Mary Susan Taylor 1980-9-27 Taylor 3350 Plumas T23N R7E each central border sec 7, Bucks Lake quad. In mud along Grizzly Creek, S side of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy. With W. Dakan & T. Griggs. 1524 Comment
  RSA59410  Gnaphalium thermale E. K. Balls 1950-9-15 15858 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CHSC32862  Gratiola ebracteata L. Ahart 1980-10-6 2676 Plumas Ca. 1 mi south of La Porte. 1600 Comment
  CHSC74126  Gratiola ebracteata Mary Ann Griggs 1997-7-7 Plumas On W edge of Illinois Ridge, ca 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. 1493 Comment
  RSA537506  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  UCD123721  Gratiola neglecta Malcolm A. Nobs; S. Galen Smith 1949-8-18 1351 Plumas South end of Lake Almanor. Comment
  JEPS113904  Grindelia squarrosa var. serrulata L. P. Janeway 2007-8-14 9192 Plumas Northern High Sierra Nevada, Plumas National Forest; along Frenchman Lake Road and Little Last Chance Creek, 2.0 road km S of Frenchman Dam 1650 Comment
  UCR244689  Hackelia J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54279 Plumas Sierra Nevada Mtns., C. 1.3 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy 2043 Comment
  RSA8555  Hackelia californica Elmer I. Applegate 1929-6-22 5820 Plumas Near Lee s Camp, Warner Valley, Mt. Lassen region. Comment
  CHSC72304  Hackelia micrantha L. P. Janeway; Glenn Clifton 1998-7-8 5724 Plumas Snoring Spring; about 15 mi northwest of Red Rock; along Road 213, 0.8 mi south of the ridgetop. Meadow. 2002 Comment
  HSC22977  Hackelia micrantha John Pratt 1970-6-30 58 Plumas Humboldt Summit Comment
  UC881763  Hackelia micrantha Anna Head 1920-7-12 Plumas near Lake Center Camp; Feather River Region 1920 Comment
  JEPS55560  Hackelia nervosa Duncan Dunning 1922-7-16 Plumas 4 mi n of Gibsonville (near Onion Valley) Comment
  POM255851  Hackelia nervosa Marion Ownbey, Ruth Ownbey 1938-7-14 1735 Plumas Summit from Jonesville, Sierra Nevada Comment
  SEINET10871996  Haplopappus lanceolatus Mary Susan Taylor 1982-8-27 Taylor 5044 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  CAS-BOT-BC508339  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville Comment
  CHSC64071  Hazardia whitneyi B. Castro; R. A. Schlising 1987-7-21 170 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22n42 on hillside below roads. 1539 Comment
  SEINET10475535  Hazardia whitneyi Mary Susan Taylor 1981-8-19 Taylor 4220 Plumas California: T23N R11E ne 1/4 of se 1/4 sec 17. Blue Nose Mt quad. S side of road 2310, 0.1 mi E of Bell Creek, ca. 1.5 mi W of Sloat. Plumas County. 4500 ft. 1372 Comment
  RSA768851  Hazardia whitneyi var. whitneyi L. Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  CAS-BOT-BC306691  Helenium bigelovii Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine 1700 Comment
  UC586918  Helenium bigelovii Joseph Andorfer Ewan 1934-6-25 8212 Plumas above Deuteus (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  CAS-BOT-BC305309  Helianthella C. R. Quick 1950-6-18 50 -20 Plumas 5.4 miles W of Almanor Inn, on S shore of Lake Almanor Comment
  CAS-BOT-BC314788  Helianthella californica var. nevadensis Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC314790  Helianthella californica var. nevadensis Clare B. Hardham 1975-8-2 20465 Plumas Black Mt., Sierra Nevada 2133 Comment
  UCD130176  Helianthella californica var. nevadensis Albert Grigarick 2011-8-15 292 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort Road turn-off of Gold Lake Hwy., approx. 1/8 mile W from Graeagle Trail head to Hawley Falls. 1898 Comment
  SDSU2669  Helianthella californica var. nevadensis D. F. Howe 1964-7-29 3894 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CAS-BOT-BC305540  Helianthus bolanderi Rimo Bacigalupi; J. R. Sweeney; G. Bacigalupi, Jr. 1953-8-31 4345 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville 1005 Comment
  CAS-BOT-BC315014  Hemizonella minima John Thomas Howell; Gordon H. True 1969-6-23 45826 Plumas On Middle Fork of Feather River at Nelson Point, Sierra Nevada 1249 Comment
  CAS-BOT-BC306031  Hemizonia congesta subsp. clevelandii John Thomas Howell 1961-9-23 36825 Plumas Indian Valley 1082 Comment
  SEINET5499810  Hesperochiron californicus M. J. Williams 1967-5-14 s.n. Plumas West side Sierra Valley 1524 Comment
  SJSU4641  Hesperolinon micranthum C. W. Sharsmith 1969-6-19 7602 Plumas Smith L, Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  JEPS102821  Heterotheca villosa var. minor Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC425154  Heuchera rubescens John Thomas Howell; Gordon H. True 1967-7-11 43352 Plumas Summit ridge of Mt. Hough 2194 Comment
  RSA0066261  Heuchera rubescens var. alpicola E. K. Balls 1950-9-1 15593 Plumas Above trail going S around lake, E of Long Lake. 2134 Comment
  CAS-BOT-BC319620  Hieracium albiflorum John Thomas Howell 1960-7-19 35709 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC319613  Hieracium albiflorum W. R. Ernst 1957-8-9 205 Plumas Near Devils Kitchen, Mt. Lassen National Volcanic Park Comment
  CAS-BOT-BC316047  Hieracium scouleri Walter Knight; Irja Knight 1966-6-19 1632 Plumas Slightley past Fern Glen en route to Quincy, Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC69414  Hieracium scouleri var. scouleri Lowell Ahart 1997-8-28 7873 Plumas On the retaining wall, on the south side of the dirt road, just west of Hopkins Creek, about 1 mile east of the Bunker Hill Mine. 1706 Comment
  CAS-BOT-BC55408  Hirschfeldia incana Walter Knight; Irja Knight 1967-7-10 2206 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CHSC91812  Holcus lanatus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16274 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: in upper bog area. 1158 Comment
  CHSC118671  Holcus lanatus Chelsea Morgan 2015-6-30 2015025 Plumas Plumas National Forest. Location northwest of Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1590 Comment
  CAS-BOT-BC150018  Holodiscus discolor var. discolor John Thomas Howell 1951-6-27 s.n. Plumas Jamison Creek 1828 Comment
  SACT001309  Hordeum brachyantherum Michael Baad 1976-8-7 Plumas 1 mile west of trailhead to Bear Lake to trailhead along road to Rubicon Springs from Lake Tahoe. 2011.0 Comment
  CHSC55642  Hordeum brachyantherum subsp. brachyantherum K. R. Stern 1985-6-25 8303 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC63489  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1994-7-22 7499 Plumas Plumas/Sierra Counties. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CHSC75570  Hordeum brachyantherum subsp. brachyantherum G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13269 Plumas Sierra Nevada. Plumas National Forest. Adjacent to Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  UC1100322  Hordeum brachyantherum subsp. brachyantherum Malcolm A. Nobs, S. Galen Smith 1949-8-18 1383 Plumas just S of Chester (Last Chance Marshes at N end of Lake Almanor) Comment
  CAS-BOT-BC284728  Hordeum jubatum John Thomas Howell 1977-8-11 52697 Plumas At north end of Frenchmans Reservoir 1706 Comment
  CAS-BOT-BC273494  Hordeum vulgare John Thomas Howell 1961-6-21 36680 Plumas Greenville 1097 Comment
  RSA755680  Horkelia fusca subsp. parviflora L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16145 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-BC537869  Horkelia fusca var. parviflora W. B. Duncan 1927-8-1 s. n. Plumas Vicinity of Silver Lake Comment
  CAS-BOT-BC537903  Horkelia fusca var. parviflora L. P. Janeway; Melinda Carlson 1991-6-18 4045 Plumas Plumas Nat'l Forest: Beckwourth Ranger District: N. side Middle Fork Feather River, S side Hwy 70, at Dellereker, ca. 0.3 mi west of Portola 1472 Comment
  CAS-BOT-BC514268  Horkelia fusca var. pseudocapitata David D. Keck; A. Gustafsson 1938-8-9 4904 Plumas 3 mi S of Beckwith, Sierra Valley, on road to Loyalton 1490 Comment
  CAS-BOT-BC143988  Horkelia fusca var. tenella G. K. Helmkamp; Elizabeth Helmkamp 2001-7-7 6861 Plumas Sierra Nevada Mountains: CA-89, 2.3 mi SSE of its junction with CA-26 (Lake Almanor Region) 1357 Comment
  CAS-BOT-BC143990  Horkelia fusca var. tenella Alice Eastwood 1927-6-17 14642 Plumas Long Valley, United States Forest Reserve Comment
  RSA268959  Horkelia tridentata subsp. flavescens J. R. Reeder, C. G. Reeder 1975-6-5 6678 Plumas 5 miles SE of Spring Garden in park like stand of Pinus ponderosa Comment
  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
  SEINET6768123  Horkelia tridentata subsp. flavescens A. A. Heller, P. B. Kennedy 1907-7-11 8799 Plumas Sierra Nevada; Prattville. Comment
  CAS-BOT-BC536280  Horkelia tridentata var. tridentata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 2089 Plumas Pond Reservoir, Butterfly Botanical Area and Vicinity 1097 Comment
  UCD115192  Hornungia procumbens Kim Nixon 1977-5-29 43 Plumas Bird Creek Road, 0.2 mile north of Greeno Road, 7.2 miles east of Doyle. 1950 Comment
  CAS-BOT-BC201088  Hosackia crassifolia Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CHSC34872  Hosackia oblongifolia var. oblongifolia M. S. Taylor 1981-7-29 4148 Plumas Along creek crossing 25N42-Flournoy Grade, 0.2 mi n of North brnach of Ward Creek, ca. 5 air mi se of Genesee. 1828 Comment
  SD6812  Hydrophyllum occidentale R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1586415  Hydrophyllum occidentale Vernon H. Oswald and Lowell Ahart 1991-6-18 4687 Plumas about 4 air mi n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  SEINET10497074  Hydrophyllum occidentale Mary Susan Taylor 1982-5-25 Taylor 4522 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  CHSC21553  Hypericum anagalloides L. M. Mayer; D. E. Brink Jr. 1975-7-2 426 Plumas Bucks Lake Floristic Survey. Found in sw corner of the section in the moist ground around a seep. Comment
  SEINET11990948  Hypericum anagalloides W. Knight, Knight, I. 1983-1 4909 Plumas 4 mi from Chester on road to Drakesbad 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
  JEPS88550  Hypericum formosum var. scouleri Vernon H. Oswald and Lowell Ahart 1996-7-15 8042 Plumas ca. 1.4 mi. s. of Last Chance Campground (e. side of Last Chance Marsh at n. end of Lake Almanor, extending e. from rd. 29N11); High Cascade Range 1371 Comment
  RSA0039300  Hypericum perforatum Lowell Ahart 2008-8-13 15171 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC401442  Hypericum scouleri W. W. Wagner 1919-7-2 306 Plumas Taylor Creek 1219 Comment
  SD7661  Ipomopsis aggregata Daniel Cleveland 1882-7-21 Plumas Saw mill, Big Meadows. Comment
  SEINET10935971  Ipomopsis aggregata Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3899 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
  SEINET8752736  Iris hartwegii J. Robertson 1983-6-10 s.n. Plumas Plumas N.F. Comment
  SEINET10905382  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-6-1 Taylor 4577 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  RSA135900  Iris tenuissima subsp. purdyiformis Lee W. Lenz 1954-5-8 19134 Plumas Camp Rogers [Rodgers] 762 Comment
  RSA136531  Iris tenuissima subsp. purdyiformis Lee W. Lenz, E. K. Balls 1955-5-13 20699 Plumas Between Tobin and Camp Rogers [Rodgers] along U.S. Highway 40 [70] [along north fork Feather River] 610 Comment
  RSA712967  Iris tenuissima subsp. purdyiformis L. P. Janeway 1994-5-24 4652 Plumas Owl Creek, 1.5 mi west of Seneca. 1372 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
  RSA530030  Ivesia baileyi var. baileyi D. W. Taylor, Glenn Clifton 1990-6-25 11172 Plumas Little Last Chance Creek, downstream 0.6 mile form Frenchman Flat Reservoir Comment
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Jan 15 2009
  CAS-BOT-BC205202  Ivesia sericoleuca James R. Shevock; Barbara Ertter 1986-7-20 11737 Plumas Northern Sierra Nevada. 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
  JEPS44336  Ivesia sericoleuca W. L. Jepson 1918-8-17 8034 Plumas Sierra Valley 1524 Comment
  CAS-BOT-BC109969  Juncus C. Etienne 1969-7-26 296 Plumas Along quiet pond off Middle Fork of Feather River Highway 89 near Graeagle next to Feather River Park Resort entrance. 1280 Comment
  CHSC94991  Juncus acuminatus Lowell 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. 1281 Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas 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. Comment
  CHSC32858  Juncus covillei L. Ahart 1980-10-6 2675 Plumas On the floor of a hydraulic mine ca. 1 mi s of La Porte. 1600 Comment
  CHSC113841  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas On the west side of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1563 Comment
  CHSC84238  Juncus ensifolius Lowell Ahart 2003-7-18 10422 Plumas On the sides of a drainage in a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  JEPS113838  Juncus ensifolius Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14471 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
  JEPS122285  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas About one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  RSA60135  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off highway 24, east of Quincy. 1524 Comment
  SEINET3450945  Juncus ensifolius Unknown 2003-7-18 10422 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  CHSC101935  Juncus exiguus Lowell Ahart; John Dittes 2009-7-15 16081 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  SEINET10472443  Juncus hemiendytus Lowell Ahart 1985-7-11 Ahart 5135 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
  UC1495735  Juncus hemiendytus var. hemiendytus Barbara Ertter and Jeffrey L. Strachan 1980-7-31 3884 Plumas w end Dixie Valley (just e of Beckwourth-Milford Rd); Plumas National Forest, Dixie Valley 1706 Comment
  CHSC92198  Juncus howellii Lowell Ahart; John Dittes 2005-9-19 12422 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  HSC100777  Juncus howellii Lowell Ahart, John Dittes 2009-8-28 16355 Plumas N side of F.S. Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam and 3 (air) mi. SW of Lake Almanor Reservoir Dam. Comment
  JEPS107933  Juncus howellii Lowell Ahart, John Dittes 2005-9-19 12418 Plumas Along the west side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  RSA0035816  Juncus howellii Lowell A. Ahart 2008-8-14 15216 Plumas 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
  CHSC92202  Juncus laccatus Lowell Ahart; John Dittes 2005-9-20 12451 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2004 Comment
  CAS-BOT-BC227796  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas About 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte 1597 Comment
  CHSC58533  Juncus mertensianus Vernon H. Oswald; Lowell Ahart 1992-7-9 5095 Plumas Lassen Volcanic 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. At the edge of the woods bordering the S side of the deeper (middle) pond. 2078 Comment
  CHSC60618  Juncus mertensianus L. P. Janeway 1984-9-1 1102 Plumas Lakes Basin; north-facing slope above Round Lake. 2133 Comment
  CHSC21823  Juncus nevadensis F. T. Griggs; A. Pass 1975-8-1 288 Plumas Lower Bucks Lake. Comment
  CHSC94980  Juncus nevadensis Lowell Ahart 2006-10-8 13420 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS102712  Juncus nevadensis Lowell Ahart 2001-7-17 8900 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC100437  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15366 Plumas On small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  RSA59407  Juncus nevadensis var. nevadensis E. K. Balls 1950-9-8 15714 Plumas stream to west of Lakes Center Public Campground 2043 Comment
  CHSC113140  Juncus occidentalis Lowell Ahart 2013-8-23 19020 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  CHSC52748  Juncus occidentalis L. P. Janeway 1990-8-29 3843 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. 1905 Comment
  CHSC92120  Juncus occidentalis Lowell Ahart; John Dittes 2005-9-20 12450 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2004 Comment
  JEPS107936  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-20 12450 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  UC1101098  Juncus orthophyllus Malcolm A. Nobs and S. Galen Smith 1949-8-20 1467 Plumas about 13 mi sw Milford (on road between Milford and Beckwourth) Comment
  CDA13854  Juncus saximontanus G. F. Hrusa, T. D. Wilfred 1996-8-2 13459 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC97338  Juncus tenuis L. P. Janeway 2007-7-23 9124 Plumas Northern High Sierra Nevada. Plumas National Forest; along north side of Cascade Creek 70 m southwest of the Road 22N94 bridge. 1164 Comment
  JEPS115878  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -C Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC81076  Juniperus communis Rimo Bacigalupi 1929-7-10 1675 Plumas Gold Lake Region 2103 Comment
  HSC1269  Juniperus occidentalis W. R. Rogers 1966-6-3 280 Plumas 2043 Comment
  RSA641463  Juniperus occidentalis var. australis Michael A. Vincent 1999-6-8 8560 Plumas Along FS 28N03H about 0.25-0.5 mile south of FS Rt 3. Comment
  CAS-BOT-BC235660  Keckiella breviflora var. glabrisepala Mrs. H. C. Cantelow 1949-6-10 1 Plumas Feather River Canyon Comment
  CHSC62503  Keckiella lemmonii L. P. Janeway 1993-8-14 4524 Plumas Plumas National Forest, Oroville Ranger District. South-facing dirt road cutbank along Road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  NY790336  Keckiella lemmonii L. Ahart 1986-7-25 5375 Plumas Along Cleghorn Bar Road, about 1½ miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828.8 Comment
  NY790350  Keckiella lemmonii P. P. Lowry II 1977-7-5 818 Plumas South of Tobin on State Highway 70 Comment
  NY790351  Keckiella lemmonii M. S. Clemens 1920-6-29 s.n. Plumas Crescent Mills Comment
  POM181611  Keckiella lemmonii Unspecified 1874-09 s.n. Plumas Quincy. Comment
  UC103021  Keckiella lemmonii unknown 180 Plumas Dutch Hill Comment
  UCR3599  Keckiella lemmonii Wm. Horn Jr. 1963-8-4 630804- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, edge of Schnieder Creek Road, 1 mi south of Meadow Valley Creek 1250 Comment
  RSA755684  Kelloggia galioides L. Ahart, John Dittes 2009-7-15 16083 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  JEPS104114  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the n side of the road, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 3 1/2 mi (air) nw of Tamarack Flat, ca 6 mi (air) nw of Little Grass Valley Reservoir Dam. 1524 Comment
  CAS-BOT-BC340595  Lactuca serriola Lowell Ahart 1981-9-6 3076 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC340602  Lactuca serriola Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3480 Plumas Just east of Westwood 1554 Comment
  SD8969  Lactuca tatarica subsp. pulchella Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS104631  Lagophylla ramosissima Lowell Ahart 2003-8-8 10480 Plumas On the w side of Beckwourth Calpine Rd, ca 50 yd n of the Western Pacific Railroad, ca 1/2 mi (air) sw of Beckwourth, Sierra Valley. 1478 Comment
  CHSC79463  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa; B. Smith 1996-7-15 13224 Plumas Northern California. Sierra Nevada -- Plumas National Forest. Roadside near inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  UC1128975  Lathyrus brownii E. Sawyer 1935-6-1 56 Plumas 1 mi nw Kerby; Sierraville Quad. 1524 Comment
  CAS-BOT-BC205070  Lathyrus sulphureus John Thomas Howell 1961-6-21 36696 Plumas Greenville 1097 Comment
  SEINET6658652  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca 3 mi west of Keddie.; 0 1219 Comment
  CAS-BOT-BC321053  Layia glandulosa Alice Eastwood 1918-5-25 6991 Plumas Portola Comment
  UC1121006  Ledum glandulosum F. W. Embree 1934-6-6 87 Plumas Plumas National Forest, at Three Lakes Three Lakes; Plumas National Forest, Three Lakes 1889 Comment
  JEPS106225  Lemna trisulca Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  CAS-BOT-BC88775  Lepidium appelianum John Thomas Howell 1962-6-19 37875 Plumas Sierra Nevada. Vinton. 1508 Comment
  CDA19926  Lepidium campestre J. Naughton 2002-7-7 101 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  SD46550  Lepidium campestre Robert J. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy 1064 Comment
  CAS-BOT-BC88848  Lepidium campestre Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1582 Plumas Butterfly Botanical Area and Vicinity. Creek near confluence of Butterfly Creek. 1036 Comment
  CAS-BOT-BC88850  Lepidium campestre Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir north of Chilcoot. 1706 Comment
  JEPS100355  Lepidium densiflorum var. macrocarpum Dean W. Taylor 2001-6-28 17823 Plumas 2 air mi E of Frenchman Lake (Snow Lake, on edge of Forest Road 24N44); Sierra Nevada, Diamond Mountains 1859 Comment
  CAS-BOT-BC60093  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC60094  Lepidium virginicum var. menziesii Javier Penalosa 1962-6-19 2502 Plumas +-6.2 miles southeast of Quincy. 1097 Comment
  CHSC4698  Lepidium virginicum var. pubescens R. Carter 1966-7-10 473 Plumas Found at intersection of Hwy. 70 and Hwy. 89 ca. 12 mi. N of Quincy, 100 yds. W along S side Hwy. 70, roadside. 853 Comment
  JEPS102471  Lepidium virginicum var. pubescens Lowell Ahart 2001-10-16 9389 Plumas Along the south side of Dixie Creek Road, about 1/4 mile west of Highway 89, about 2 1/2 miles SW of Crescent Mills. 1066 Comment
  OBI11404  Leptosiphon bolanderi Lewis S. Rose 1967-6-2 Plumas Butterfly Valley, 3 mi. W of Keddie 1219 Comment
  CHSC30931  Lessingia nemaclada M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3346 Plumas S side of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  CAS-BOT-BC59608  Leucothoe davisiae E. K. Balls 1950-9-5 15681 Plumas Thomspson Creek, along trail to Little Volcano. 1402 Comment
  UC1075637  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Mount Elwell, Lakes Basin area Mount Elwell; , Lakes Basin area 2225 Comment
  CHSC107446  Lewisia nevadensis Matt Simenc; Rebecca Joyner 2011-7-2 11 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
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Dec 30 2014
  CAS-BOT-BC444180  Lewisia nevadensis Margaret Williams 1965-6-24 s.n. Plumas In Happy Valley (beyond Long Valley) 1706 Comment
  SEINET5336486  Lewisia nevadensis M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge, above Johnsville. 2271 Comment
  CAS-BOT-BC444568  Lewisia triphylla Alice Eastwood 1927-6-15 14626 Plumas United States Forest Reserve. On trail to Long Valley Comment
  SEINET5336590  Lewisia triphylla M. J. Williams 1965-6-24 s.n. Plumas Long Valley near Cromberg. 1707 Comment
  CHSC66608  Ligusticum grayi Vernon H. Oswald; Lowell Ahart 1996-7-15 8056 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  SJSU4640  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 A Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  SEINET4690758  Lilaea scilloides W. Harnach, N. Harnach 2000-8-2 964 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CDA11933  Lilium kelleyanum G. F. Hrusa, J. Dinsdale 1989-6-27 7208 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CAS-BOT-BC509343  Lilium kelleyanum Anna Head 1920-7-23 s.n. Plumas Near Green Lake 1920 Comment
  CAS-BOT-BC509350  Lilium kelleyanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1690 Plumas Above Sweetwater Meadow 1127 Comment
  JEPS62012  Lilium pardalinum E. Fritz and T. H. Harris 1926-7-18 Plumas Meadow Valley Comment
  CAS-BOT-BC130712  Lilium pardalinum Paul F. Covel 1937-7-20 707 Plumas Pass east Buck's Comment
  SEINET8480725  Lilium pardalinum A. A. Heller, P. B. Kennedy 1907-7-15 8856 Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  CHSC71662  Lilium pardalinum subsp. shastense Vernon H. Oswald; Lowell Ahart 1998-8-11 9479 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  RSA59404  Lilium parvum E. K. Balls 1950-9-8 15718 Plumas Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC133085  Lilium washingtonianum subsp. washingtonianum David D. Keck 1932-7-3 1644 Plumas Hillside south of town, Quincy, in the Northern Sierra Nevada 1220 Comment
  CHSC81627  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC246067  Limosella aquatica John Thomas Howell 1962-6-19 37859 Plumas 5.5 miles e. of Beckwourth, Sierra Nevada 1493 Comment
  RSA59583  Limosella aquatica E. K. Balls 1950-9-2 15665 Plumas Along Grizzly Creek, about Grasshopper Flat, below beaver dam. 1829 Comment
  UC133949  Linanthus harknessii Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC971789  Linanthus harknessii Milo S. Baker 1935-6-26 8091 Plumas near cabin at Childs Meadow (Highway 39); Childs Meadow Comment
  JEPS117924  Linaria vulgaris John Dittes 2005-9-30 1296 Plumas 8.3 air miles S of Diamond Mt. 4.5 air miles WxNW of Antelope Lake dam 2.7 air mile NE of Taylor Lake and 27N56 (ca. 0.5 air mile east intersection of FS Routes 27N090); Northern High Sierra Nevada Range 1944 Comment
  SEINET3452371  Linum lewisii G. Douglas Barbe, Thomas C. Fuller 1982-6-15 3714 Plumas Red Hill Summit, Red Hill Summit, Plumas National Forest, 1 mile below and northeast of the summit 1780 Comment
  CHSC46543  Listera convallarioides Lowell Ahart 1976-7-16 1174 Plumas About 5 miles north-west of Little Grass Valley Reservoir, about 1 mile west of Fowler Peak. 1828 Comment
  CHSC99803  Listera convallarioides Lowell Ahart 2008-7-16 15091 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
  JEPS114935  Listera convallarioides Lowell Ahart 2008-7-16 15091 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
  CHSC107438  Lithophragma glabrum Matt Simenc; Rebecca Joyner 2011-7-2 7 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  CHSC21335  Lithophragma heterophyllum F. T. Griggs; A. Pass 1975-7-8 103 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC443343  Lithophragma parviflorum Alice Eastwood 1927-6-1 14481 Plumas Forest Lodge, Greenville Comment
  CHSC43748  Lithophragma tenellum Vernon Oswald 1986-6-6 2086 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  POM161731  Lithophragma tenellum R. C. Bacigalupi 1927-7-12 1736 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  RSA74359  Lithospermum californicum Milo S. Baker 1952-5-24 12452 Plumas Upper end of Pine Valley, Highway 89. 884 Comment
  UC1485817  Lomatium hendersonii G. Ledyard Stebbins 1982-6-14 C 202 Plumas S of Susanville (Diamond Mountain Ridge) 2225 Comment
  CHSC72420  Lomatium macrocarpum L. P. Janeway 1998-6-2 5622 Plumas Squaw Valley; northeast side of Road 28N01 0.6 mi northwest of Road 26N70 ('Four Corners'). 1705 Comment
  CHSC112529  Lomatium nudicaule B. Castro; L. P. Janeway 2009-6-7 1786 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) 200 ft W of its jcn with small dirt rd to lower Thompson Valley. 1700 Comment
  CHSC97166  Lomatium piperi Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14020 Plumas East side of an open rocky flat, 10 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC21691  Lonicera conjugialis D. Brink; L. Mayer 1975-7-8 Plumas Bucks Lake Floristic Survey Comment
  CHSC63452  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CAS-BOT-BC240426  Lonicera hispidula Edward Pittman 1965-10-16 233 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  RSA71309  Lotus argophyllus var. fremontii L. S. Rose 1951-6-29 51078 Plumas Rock Creek, Feather River 550 Comment
  CHSC97249  Lotus corniculatus Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14477 Plumas About 5 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
  UC1552750  Lotus crassifolius Frederica Bowcutt 1985-6-6 535 Plumas about 15 air mi ne Quincy (on the sw side of Red Clover Creek and Beckwourth Genesee Road); Plumas National Forest Comment
  JEPS105486  Lotus oblongifolius Holly Forbes and Barbara Keller 2003-7-9 28 Plumas along road opposite Gold Lake Staging Area Comment
  SEINET3729650  Lotus purshianus A. A. Heller 1936-7-2 15231 Plumas Along Hwy north of Quincy near the bridge over Spanish Creek 1067 Comment
  JEPS114365  Lotus purshianus var. purshianus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CAS-BOT-BC60251  Lunaria annua Louella Bass 1981-4-4 s.n. Plumas Sierra Nevada. Belden Powerhouse. Comment
  CAS-BOT-BC201254  Lupinus Clare B. Hardham 1975-8-2 20476 Plumas Black Mt. 2133 Comment
  JEPS48831  Lupinus John W. Duffield 1937-5-27 Plumas Meadow Valley Meadow Valley, Grubstake Flats (Grubstake Flats) Comment
  SBBG3623  Lupinus adsurgens var. undulatus H. and M. Dearing 1939-5-9 3222 Plumas near Quincy Comment
  SEINET10416298  Lupinus albicaulis Unknown 1973-6-5 421 Plumas Plumas County Comment
  SEINET10544016  Lupinus albicaulis subsp. shastensis Duane Isely, I. Isely 1971-7-13 Isely 11395 Plumas Abundant, roadsides; plants to 3 ft with no basal leaves; flowers dull Ochroleucous, soon tan; all pteals recurved ca 90 degrees; standard abruptly Recurved, darker than other petals, not conspicuous 1216 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  SEINET4035611  Lupinus arbustus C. Davidson 1975-1 2745 Plumas 1 mi. on road to Dalton Creek, departing northeast from Hwy 70, 0.7-mi. east of junction of Hwy 70 and 89. 1493 Comment
  RSA39741  Lupinus arbustus subsp. calcaratus P. A. Munz 1947-5-17 11822 Plumas 5 miles north of Chilcoot. 1524 Comment
  CHSC52426  Lupinus argenteus var. argenteus L. P. Janeway 1990-10-10 3755 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  SJSU13920  Lupinus argenteus var. heteranthus N. A. Hopkins 1984-7-22 1357 Plumas S end Squaw Valley 1828 Comment
  SEINET10452629  Lupinus breweri Mary Susan Taylor 1982-6-10 Taylor 4630 Plumas T23N R14E ne sec 9. Portola quad. Granite ridge ca. 1 mi nw of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 5900 ft. 1798 Comment
  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
  RSA263045  Lupinus confertus W. E. Harmon 1969-8-18 1566 Plumas Beckworth Pass, 1/2 mi. W. Comment
  CAS-BOT-BC215354  Lupinus dalesiae M. S. Taylor 1982-5-25 4527 Plumas 1 mile NE of Sloat, 2.6 miles W of Cromberg, W side of 509A, ca. 50 feet S of itsjct with Highway 70 1310 Comment
  CAS-BOT-BC215367  Lupinus dalesiae M. S. Taylor 1982-7-12 4810 Plumas Headwaters of Chirs Creek, ca. 6 miles NW of Mohawk 2011 Comment
  CAS-BOT-BC215382  Lupinus dalesiae M. S. Taylor 1982-6-7 4616 Plumas Along spur road off Burton Gulch road along Spanish Creek, ca. 2 air miles N of Meadow Valley 1219 Comment
  CAS-BOT-BC215391  Lupinus dalesiae M. S. Taylor 1982-6-2 4595 Plumas S side of 23N11, 0.5 mile E of its junction with 23N48, ca. 5 air mile N of Mohawk 1676 Comment
  CAS-BOT-BC215396  Lupinus dalesiae Robert J. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley 2164 Comment
  CAS-BOT-BC215402  Lupinus dalesiae E. K. Balls; L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, U.S. Highway, Quincy to Portola 1249 Comment
  CAS-BOT-BC215421  Lupinus dalesiae Walter & Irja Knight 1968-6-18 2334 Plumas Road between La Porte and Quincy 1859 Comment
  CHSC35902  Lupinus dalesiae M. S. Taylor 1982-5-26 4539 Plumas W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd (23N22), ca. 4 air mi sw of Spring Garden. 1249 Comment
  CHSC35912  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mi w of its jct with Bell Bar Creek Rd (23N50Y), ca. 2 air mi sw of Sloat. 1493 Comment
  CHSC87646  Lupinus dalesiae Lowell Ahart; Josephine Guardino 2004-5-24 10950 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1208 Comment
  CHSC88827  Lupinus dalesiae L. Hanson 1982-7-6 176 Plumas Plumas National Forest. Elizabethtown. 1097 Comment
  SEINET8584753  Lupinus dalesiae W. Harnach 2004-4-11 1156 Plumas Quincy, CA; end of Forest Knoll Road at the top of the hill 1061 Comment
  UC1502141  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas American Valley on ne side of hills s Greenhorn Creek (ca 1.5 mi ne of Quincy); Quincy Quad., American Valley, s of Greenhorn Creek 1066 Comment
  UC82008  Lupinus dalesiae Brandegee Jul 1896 815 Plumas hills e Quincy (Quincy); hills e Quincy Comment
  SEINET10452056  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mt quad. S side of 23N10-Peoria Creek Rd, 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 5300 ft. 1615 Comment
  SEINET10485180  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4691 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite roadcut On and road, both sides of 23n44y, 1.3 mi. W of its jct with 23n50y, ca 2 air Mi. Sw of sloat. With silene lemmonii, collinsia torreyi. 1494 Comment
  SEINET10485208  Lupinus dalesiae Taylor 1982-5-27 Taylor 4548 Plumas Bucks lake ne quad. South side of bucks lake-spanish creek rd, on roadcut and Along small drainage in opening south among pines; .1 mi west of dean's valley Turnoff, ca. 1 Mi ne of meadow valley. With pteridium aquilinum, viola bakeri. 1128 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
  SEINET10490337  Lupinus grayi Mary Susan Taylor 1982-6-17 Taylor 4693 Plumas T23n r11e ne1/4se1/4 sec 18. Blue nose mt quad. Open bare foadbank, s side of T23n44y, 1.8 mi w of its jct with bell bar creek rd (23n50y), ca 2 air mi. Sw Of sloat. 1524 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
  SEINET7716854  Lupinus grayi Unknown Plumas American Valley Comment
  UCD108138  Lupinus latifolius Michael A. Vincent 1999-6-8 8556 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  SEINET10452691  Lupinus latifolius subsp. longipes Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4667 Plumas T25N R11E sw sec 7. Greenville quad. N side of Genesee Valley Rd (112), ca. 2 mi w of Genesee. Dry forest. 3700 ft. 1128 Comment
  SBBG13868  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3817 Plumas Graeagle Comment
  UC149942  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  UC865266  Lupinus lepidus var. confertus A. A. Heller 1938-6-14 15160 Plumas Feather River Highway near Gray's Flat; Feather River Highway near Gray's Flat 868 Comment
  CHSC34758  Lupinus lepidus var. sellulus M. S. Taylor 1981-6-3 3852 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 Comment
  CHSC53201  Lupinus lepidus var. sellulus L. P. Janeway 1989-6-13 3301 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley. 1688 Comment
  CHSC81120  Lupinus lepidus var. sellulus Lowell Ahart 2001-8-29 9267 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1542921  Lupinus lepidus var. sellulus G. Schoolcraft 1987-6-17 1738 Plumas about 2 mi n Chester; n of Chester 1402 Comment
  UC1401227  Lupinus lepidus var. sellulus P. Kenney, Dunn, and Conrad 1973-6-5 438 Plumas along Hwy 70, 6 mi s from jct Hwy 89 and 70 1066 Comment
  UC338169  Lupinus onustus J. G. Lemmon Sept. 1874 Plumas Greenville Peak Comment
  CAS-BOT-BC436592  Luzula cascadensis Gladys L. Smith 1976-6-7 4595 Plumas Secondary road from Rte. 70 to La Porte 1950 Comment
  UCD142069  Luzula comosa Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  UC942987  Luzula comosa var. laxa Lewis S. Rose 1951-6-28 51031 Plumas 8 mi SW of Johnsville, McRae Meadows 1950 Comment
  CAS-BOT-BC436677  Luzula comosa var. laxa F. Thos. Griggs 1975-6-1 151 Plumas Sierra Nevada: Bucks Lake area Comment
  CAS-BOT-BC441254  Luzula macrantha John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2425 Plumas Butterfly Botanical Area and vicinity: area adjacent to the mouth of Butterfly Creek 883 Comment
  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
  SD147626  Luzula parviflora John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-26 54367 Plumas Sierra Nevada, 0.75 miles northeast of Bucks Summit, on road to Quincy. 1600 Comment
  CAS-BOT-BC215684  Lycopus uniflorus Thomas H. Kearney 1944-8-14 122 Plumas Near Prattville, Lake Almanor Comment
  CHSC72314  Lycopus uniflorus L. P. Janeway 1998-9-10 6273 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  RSA0118927  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  CAS-BOT-BC342582  Madia Clare B. Hardham 1985-7-31 30139 Plumas Doyles Crossing, between Antelope Reservoir and Janesville Comment
  CAS-BOT-BC343789  Madia elegans Mrs. H. C. Cantelow 1949-6-11 6 Plumas Lake Almanor Comment
  CAS-BOT-BC344469  Madia exigua Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  JEPS12518  Madia exigua George Gillett 1955-8-2 460 Plumas near bottom of trail coming down from Bench Lake (floor of Hot Springs Valley); Lassen Volcanic National Park, Hot Springs Valley 1828 Comment
  CHSC34912  Madia glomerata M. S. Taylor 1981-7-11 4067 Plumas SW side of Lake Almanor, in meadow between campground and rd to Almanor, ca. 1 mi sw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  CHSC92184  Madia glomerata Lowell Ahart; John Dittes 2005-9-19 12401 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  JEPS114377  Madia glomerata Lowell Ahart 2008-8-13 15167 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS40374  Madia glomerata W. L. Jepson 1939-8-16 19424 Plumas Dixie Valley 1767 Comment
  RSA769815  Madia glomerata L. Ahart 2008-9-10 15382 Plumas Sides of Onion Valley Creek, in northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1917 Comment
  CAS-BOT-BC342855  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC342863  Madia glomerata Lowell Ahart 1981-7-21 2966 Plumas Sutter Buttes Area. Along Cleghorn Bar Road, about 2 miles west of Pilot Peak 1900 Comment
  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-BC343281  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43273 Plumas Meadow at Quincy 1036 Comment
  CAS-BOT-BC343286  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43317 Plumas About 3 miles southeast of Mt. Hough 1706 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
  CAS-BOT-BC343253  Madia gracilis Joseph Andorfer Ewan 1934-7-19 8241 Plumas Dentens (Blairsden) 1615 Comment
  CAS-BOT-BC343265  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  POM29906  Madia gracilis subsp. gracilis Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET9343158  Madia minima Unknown 1982-6-17 3800 Plumas Among rocks and in dry open forest of Pseudotsuga and Arbutus, SE-ern part of Thormanby Island. Comment
  SEINET10474822  Madia minima Mary Susan Taylor 1974-5-18 Taylor 248 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  SEINET10872065  Madia minima Mary Susan Taylor 1981-5-10 Taylor 3666 A Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  SEINET5339093  Mahonia sonnei R. J. Holl 1948-4-20 24 Plumas Sierra Valley, bank of Feather River, 1 mile west of Beckwith. 1524 Comment
  CHSC87835  Maianthemum racemosum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CAS-BOT-BC512092  Maianthemum racemosum subsp. amplexicaule Thomas H. Kearney 1944-8-14 34 Plumas Near Prattville, Lake Almanor Comment
  SEINET5725140 Image available Maianthemum racemosum subsp. racemosum L. P. Lynch 1975-1 1295 Plumas just south of Paxton; Paxton Comment
  UC53882  Malacothrix floccifera H. M. Hall and E. B. Babcock july, 1903 4433 Plumas Indian Valley Sierra Nevada Mountains 1066 Comment
  SEINET7950491  Marrubium vulgare W. Harnach, N. Harnach 1989-6-17 151 Plumas Sierra Valley, ca 250 ft. W of the steel bridge on Marble Lane. 1487 Comment
  CHSC103140  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2009-9-7 16373 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS88533  Matricaria discoidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8014 Plumas Lake Almanor High Cascade Range (e side of arm of lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  CAS-BOT-BC348174  Matricaria discoidea J. W. Hudson 1925-3-28 s.n. Plumas Ukiah Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  UCD107717  Medicago lupulina E. K. Balls 1950-9-16 15878 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy. 89. 1432 Comment
  CAS-BOT-BC271099  Melica bulbosa John Thomas Howell; Gordon H. True 1973-7-31 50102 Plumas Summit ridge of Thompson Peak, Diamond Range, Sierra Nevada 2194 Comment
  CAS-BOT-BC282087  Melica fugax John Thomas Howell; et al. 1968-6-11 2362 Plumas Butterfly Botanical Botanical Area and Vicinity. At confluence of Spanish Creek and Butterfly Creek Comment
  CAS-BOT-BC282095  Melica fugax Lowell Ahart 1977-6-20 s.n. Plumas About 6 miles N of La Porte 2000 Comment
  CHSC54333  Melica fugax Vernon H. Oswald; Lowell Ahart 1991-6-18 4691 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northwest side of the lake. 1920 Comment
  CHSC63309  Melica fugax Lowell Ahart 1994-6-15 7330 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
  UCD87271  Melica fugax Beecher Crampton 1960-6-21 5740 Plumas 3.5 miles east of Child's Meadow, along Gurnsey Creek; State Hwy. 36. 1463 Comment
  RSA299626  Melica geyeri J. T. Howell, Gordon H. True, Walter, Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area, near Fern Glen. 1067 Comment
  CAS-BOT-BC264171  Melica subulata Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1969-6-24 2636 Plumas Fern Glen, Butterfly Botanical Area and Vicinity 1066 Comment
  JEPS102743  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  JEPS87716  Melica subulata Lowell Ahart 1994-6-17 7355 Plumas about 1 mi e Sly Creek Reservoir (meadow on e side of Sly Creek, about 1 mi n of Schwartz Meadow) 1097 Comment
  UC1730227  Mentha canadensis L. P. Janeway 1998-9-10 6276 Plumas Along the northwest shore of Snag Lake; about 5 mi northwest of Quincy. 1205 Comment
  CHSC59917  Mentha spicata L. P. Janeway 1990-7-23 4274 Plumas Plumas National Forest. Gravel bar on north side of Middle Fork Feather River near the mouth of Bonta Creek; behind Mohawk Ranger Station. 1315 Comment
  JEPS28641  Menyanthes trifoliata George W. Gillett 1957-7-18 838 Plumas Lassen Volcanic National Park, n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  CDA13422  Mertensia ciliata var. stomatechoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13270 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC428541  Micranthes aprica Alice Eastwood 1927-6-15 14607 Plumas United States Forest Reserve. Long Valley. Comment
  CAS-BOT-BC428536  Micranthes aprica Anna Head 1921-6-17 s.n. Plumas Lake Independence, Feather River Region. Comment
  CHSC45983  Micranthes odontoloma Lowell Ahart 1976-7-7 1167 Plumas By a small stream, when at the bridge across Cold Water Creek go about 100 yards south and here is the small stream along the road, about 4 miles south of Grizzly Mountain. 1524 Comment
  CAS-BOT-BC348338  Micropus californicus Walter Knight; Irja Knight 1968-6-11 2345 Plumas In Butterfly Valley proper 944 Comment
  SEINET10938127  Microseris Mary Susan Taylor 1981-9-14 Taylor 4275 Plumas California: T26N R8E se1/4 sec 13. Almanor SE quad. Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ESE of Green- ville. Plumas County. 5200 ft. 1585 Comment
  CHSC116571  Microsteris gracilis L. P. Janeway; Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  UC1552707  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-6-7 583 Plumas 2 mi w Sierra City (along Hwy 49); Tahoe National Forest 1158 Comment
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May 18 2014
  UC1612408  Mimulus bifidus Plumas Origin: U.S.A., California. Plumas Co.: near Storie Comment
  CDA9207  Mimulus bifidus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .255 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  JEPS113564  Mimulus mephiticus Lowell Ahart, John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC567165  Mimulus microphyllus E. Sawyer 1935-7-1 226 Plumas 1/2 mi s Chases; Downieville Quadrangle 1676 Comment
  JEPS81624  Mimulus moniliformis M. S. Taylor 1982-8-10 4952 Plumas ca. 2 air mi se Canyon Dam (end of spur road off Seneca Rd. (306) at creek); Almanor NE quad., Salmon Creek 1524 Comment
  CHSC21712  Mimulus moschatus F. T. Griggs; A. Pass 1975-7-2 35 Plumas East of Road. Comment
  UCD122822  Mimulus moschatus J. M. Tucker 1948-7-25 1739 Plumas at mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. 1524 Comment
  RSA305759  Mimulus moschatus James R. Shevock 1972-5-19 1791 Plumas Hwy 89; Indian Creek Cyn. Comment
  RSA422245  Mimulus nanus var. mephiticus Dorothy Davis 1923-08 s.n. Plumas Gold Lake. 2439 Comment
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Nov 13 2013
  RSA519036  Mimulus nanus var. mephiticus Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8647 Plumas Below Red Rock lookout, ca 8 airmiles S of Susanville. 2256 Comment
  UCD122882  Mimulus primuloides John Thomas Howell 1960-7-23 35952 Plumas near Soda Springs, Drakesbad. 1676 Comment
  RSA60018  Mimulus primuloides var. pilosellus E. K. Balls 1950-9-1 15595 Plumas East of Long Lake, by smaller lake flowing into it. Southern Plumas Co. 2104 Comment
  UC125296  Mimulus pulsiferae Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS80684  Mimulus pulsiferae L. R. Heckard and T. I. Chuang 1981-6-10 5535 Plumas 2 mi ne Almanor (along highway 89 at North Humbug-Humboldt Cross Road junction, w of Lake Almanor) 1391 Comment
  JEPS14993  Mimulus torreyi D. Axelrod 1934-6-9 26 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  RSA337276  Mimulus torreyi Noel Holmgren, Patricia K. Holmgren 1980-6-29 9440 Plumas California Hwy 36, 6.5 km (4 mi) west of Westwood. 1490 Comment
  CHSC113857  Mollugo verticillata Lowell Ahart 2014-9-9 19850 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
  CHSC67670  Monardella follettii James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2554 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  CHSC67806  Monardella follettii James D. Jokerst 1990-8-1 3438 Plumas Comment
  CHSC118830  Monardella follettii Noah Siegel 2015-7-29 2015006 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  SEINET10862292  Monardella follettii A. Graff 1993-7-23 Graff 340 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  CHSC52041  Monardella odoratissima L. P. Janeway 1989-6-29 3407 Plumas Plumas National Forest. Mapes Cyn; along Genesee-Beckwourth Rd (rd 111) 4.1 mi N of Beckwourth. 1676 Comment
  CHSC75509  Monardella odoratissima G. F. Hrusa; J. Dinsdale 1989-6-25 7193 Plumas Sierra Nevada. At Bucks Lake north shore. [Original lat./long. on label is '39 54 N; 121 10 W']. 487 Comment
  CAS-BOT-BC222109  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1973-7-31 50114 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC58171  Monardella odoratissima subsp. pallida Vernon H. Oswald 1992-6-18 4997 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  CHSC61987  Monardella odoratissima subsp. pallida L. P. Janeway 1993-8-5 4501 Plumas Plumas National Forest. About 1.5 mi west of Pilot Peak; along Road 22N60 0.2 mi southwest of Quincy-La Porte Road (Road 511). 1975 Comment
  JEPS107619  Monardella odoratissima subsp. pallida Lowell Ahart, Josephine Guardino 2005-8-9 12295 Plumas On the east side of Fant Creek, on the west side of the dirt road, about 100 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
  UC2035861  Monardella odoratissima subsp. pallida Berry Campbell 1929-6-20 734 Plumas Lake Almanor 1402 Comment
  UCR280841  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, c. 200 yards southwest of the parking lot to the Pacific Crest Trail, c. 0.25 mile southwest of the bridge across the South Fork of the Feather River, c. 4 air miles north of La Porte 1534 Comment
  CHSC102105  Monardella sheltonii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16218 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam. 1591 Comment
  JEPS115550  Monardella sheltonii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16218 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam 1591 Comment
  SJSU15284  Monardella sheltonii S. Woolhouse 2010-7-20 5 Plumas On forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  CHSC97796  Monardella stebbinsii L. P. Janeway; Chris Christofferson, Erin Brandy 2007-10-3 9214 Plumas Northern High Sierra Nevada. Near top of the west slope of Red Hill, about 100 m west of the broadcast towers and about 50 m lower. Steep (70-80% slopes) west-facing serpentine slope. 1884 Comment
  SJSU15280  Monardella stebbinsii S. Woolhouse 2010-7-25 1 Plumas Slope next to Caribou Road (some plants at eye level when standing on road) and the north fork of the Feather River. Comment
  SEINET10499745  Monardella stebbinsii Mary Susan Taylor 1981-7-18 Taylor 4056 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  SEINET10582267  Monardella stebbinsii A. Graff 1993-7-22 Graff 330 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  UC1362560  Monardella villosa subsp. villosa W. I. Follett 1936-6-29 Plumas 1 mi west Virgilia Comment
  CAS-BOT-BC444736  Montia chamissoi Mary Strong Clemens 1920-5-24 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC444741  Montia chamissoi Alice Eastwood 1918-5-25 7057 Plumas Portola Comment
  CAS-BOT-BC444746  Montia chamissoi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC64831  Montia chamissoi Vernon H. Oswald 1995-6-24 6909 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  UC1075676  Montia chamissoi Robert J. Weatherby 1955-7-2 1586 Plumas Wilcox Valley 1767 Comment
  CHSC33627  Montia linearis M. S. Taylor; M. Foster 1981-6-3 3835 Plumas S side of rd 24N61, ca. 1.5 mi s of Little Summit Lake, ca. 10 mi nw of Portola. In meadow. 2103 Comment
  SEINET5334397  Montia linearis J. Young 1982-1 s.n. Plumas Dye Creek Meadow 1524 Comment
  CAS-BOT-BC445191  Montia parvifolia Lewis S. Rose 1963-6-2 63077 Plumas Rock Creek. North Fork of Feather River 640 Comment
  CAS-BOT-BC262610  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC267011  Muhlenbergia filiformis Lowell Ahart 1985-7-11 5138 Plumas Below the highwater line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC267016  Muhlenbergia filiformis Roxana S. Ferris; Laura Lorraine 1941-8-9 10441 Plumas About 2.5 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester Comment
  CHSC44581  Muhlenbergia filiformis Lowell Ahart 1975-9-13 985 Plumas Along Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  JEPS110529  Muhlenbergia filiformis Lowell Ahart 2006-10-23 13500 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  SACT001594  Muhlenbergia filiformis Malcolm Nobs, S. Smith 1949-8-18 Plumas Comment
  UC1101597  Muhlenbergia filiformis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1367 Plumas just s Chester (n end of lake); Lake Almanor, Last Chance Marshes Comment
  UC373109  Muhlenbergia filiformis Marcus E. Jones, A. M. 1897-7-2 Plumas near Prattville; Clear Creek 1524 Comment
  UCD86681  Muhlenbergia filiformis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1367 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CAS-BOT-BC275038  Muhlenbergia richardsonis Lewis S. Rose 1955-7-20 55161 Plumas Mohawk 1371 Comment
  RSA726442  Muhlenbergia richardsonis L. Ahart, John Dittes 2007-6-17 14201 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  RSA77578  Myosotis discolor D. D. Keck 1932-7-3 1670 Plumas Quincy, in the northern Sierra Nevada, along the road to Lake Almanor. 1067 Comment
  CDA40604  Myosotis laxa L. Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  POM186544  Myosotis scorpioides D. D. Keck 1932-7-3 1659 Plumas Quincy, in the northern Sierra Nevada. Along Spanish Creek. 1067 Comment
  POM312567  Myosotis scorpioides Malcolm A. Nobs, S. Galen Smith 1949-8-20 1453 Plumas Along Highway #24, 1 mile south of Spring Garden. Comment
  CHSC87814  Myosurus apetalus var. borealis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11064 Plumas On the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
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Apr 8 2009
  UC1965873  Myriopteris parryi J. G. Lemmon July, 1876 Plumas Taylorsville, Indian Valley Comment
  HSC39511  Nama lobbii J. O. Sawyer 1976-8-5 2829 Plumas Bucks Summit E of Bucks Lake Comment
  RSA0058875  Nama lobbii Lowell A. Ahart 2008-7-9 15060 Plumas On the northeast side of a small stream, on the northwest side of the good logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1646 Comment
  RSA286311  Narthecium californicum Robert F. Thorne 1974-7-30 44996 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UCD130288  Narthecium californicum Albert Grigarick 2011-8-15 295 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1885 Comment
  CAS-BOT-BC515769  Narthecium californicum E. K. Balls 1950-9-9 15771 Plumas Freshwater Marsh Community; south end of small lake west of Lakes Center Public Campground, south. 2042 Comment
  SEINET8501717  Narthecium californicum M. J. Williams, H. Mozingo 1960-7-12 s.n. Plumas Butterfly Valley. Comment
  SEINET10448298  Nasturtium officinale Mary Susan Taylor 1982-5-23 Taylor 4509 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
  CHSC60611  Navarretia capillaris L. P. Janeway 1989-7-19 3502 Plumas Plumas National Forest. Southwest side of Red Clover Valley 0.2 mi southwest of Beckwourth-Genesee Road, 11.7 mi from Beckwourth. In and along dirt road. 1676 Comment
  SD61130  Navarretia capillaris Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest 1981 Comment
  JEPS70285  Navarretia divaricata W. L. Jepson 1924-7-25 10644 Plumas Bucks Valley 1158 Comment
  JEPS123962  Navarretia divaricata subsp. divaricata Lowell Ahart 2015-7-4 20288 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  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
  CHSC10634  Navarretia leptalea Lowell Ahart 1970-6-25 Plumas Six miles NW of La Porte. 1828 Comment
  RSA71074  Navarretia leptalea L. S. Rose 1951-6-27 51042 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  RSA83058  Navarretia leptalea Verne Grant, Alva Grant 1948-7-11 s.n. Plumas Lava Cap, southwestern Plumas County Comment
  CHSC113615  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS122301  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  UC908965  Navarretia leptalea subsp. leptalea Herbert L. Mason 1924-6-20 1086 Plumas Gold Lake Comment
  JEPS69654  Navarretia leptalea subsp. leptalea W. L. Jepson 1939-8-4 19339 a Plumas Rock Creek s of Meadow Valley, Rock Creek 1219 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
  CAS-BOT-BC233605  Navarretia pubescens James Vale 1981-5-19 s.n. Plumas Feather River Comment
  SEINET10938896  Nemacladus capillaris Howell 1967-7-11 Howell 43281 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  RSA71313  Nemacladus interior L. S. Rose 1951-6-29 51081 Plumas Rock Creek, Feather River 550 Comment
  OBI13919  Nemophila heterophylla Lewis S. Rose 1967-5-6 67057 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  CAS-BOT-BC230555  Nemophila parviflora var. austiniae L. Constance 1938-6-10 2318 Plumas NE end of Lake Almanor 3.2 miles N of Prattville 1524 Comment
  RSA101448  Nemophila parviflora var. austiniae R. Weatherby 1955-7-2 1590 Plumas Wilcox Valley. 1768 Comment
  POM249003  Nemophila pedunculata Lincoln Constance 1938-6-10 2320 Plumas Feather River at Chester, near Lake Almanor. 1220 Comment
  UC172028  Nepeta cataria H. M. Hall 1912-8-4 Plumas Quincy Comment
  CAS-BOT-BC60559  Noccaea fendleri subsp. glauca Lowell Ahart 1983-8-17 4342 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Peak, about 11 miles norhteast of La Porte. 2000 Comment
  CAS-BOT-BC400103  Nuphar polysepala Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42309 Plumas Plumas National Forest: Snake Lake c. 4 miles NW of Quincy 1219 Comment
  SJSU14291  Oenothera californica subsp. avita N. A. Hopkins 1989-6-7 1527 Plumas c. 5 mi N of Chilcoot on rd to Frenchmans Cr Reservoir Comment
  SD103798  Oenothera tanacetifolia Darley Howe 1978-7-16 Plumas Along highway 49, 5 miles north of Loyalton. Comment
  SEINET8655803 Image available Onopordum acanthium subsp. acanthium W. Harnach 2015-8-6 1439 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  CHSC115926  Oreostemma alpigenum var. andersonii L. P. Janeway 2015-8-16 11838 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
  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
  JEPS88178  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8172 Plumas on Oroville-Quincy Hwy 3.6 mi sw Silver Lake Rd. (between Meadow Valley and Bucks Lake, 1.8 mi ne of White Horse Campground, near Bucks Summit); northern High Sierra Nevada 1676 Comment
  UC1192090  Oreostemma alpigenum var. andersonii Malcolm A. Nobs and S. Galen Smith 1949-8-19 1432 Plumas Butterfly Valley Comment
  UCD20961  Oreostemma alpigenum var. andersonii E. Bortiri 2002-6-20 WFC 9 Plumas McRae Meadow, 5 miles West of Plumas Eureka State Park. Comment
  CHSC62354  Orthilia secunda B. Castro 1989-8-18 404 Plumas Ca 7 air mi S of Bucks Lake, ca 1 mi E of Hardquartz mine; towards top of Scotch Ck. 1676 Comment
  CDA41806  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald & Lowell Ahart 1998-8-11 9489 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Road 2.5 miles west of Quincy-La Porte Road (County Road 511). Comment
  SEINET10549692  Orthocarpus lacerus Mary Susan Taylor 1981-6-19 Taylor 3931 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
  JEPS62823  Orthocarpus luteus John Weiler 1970-7-1 70172 Plumas along Harriet Lane 4.1 mi n of highway 49 w Loyalton 1524 Comment
  JEPS87598  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SBBG128728  Osmorhiza berteroi L. Ahart 2008-7-16 15072 Plumas forest floor E of a small meadow (swamp) ca. 100 yards N of the paved rd, ca. 0.25 mi W of the bridge where the S Fork of the Feather River flows into Little Grass Valley Reservoir, ca. 2 1/2 mi (air ) N of La Porte 1597 Comment
  UC337329  Osmorhiza occidentalis unknown 1889-6-26 Plumas Mohawk Valley Comment
  CAS-BOT-BC316902  Packera eurycephala var. lewisrosei G. L. Smith 1976-6-5 4540 Plumas along Rte. 70, mid Feather River Canyon, near Lewisia Cliff. 640 Comment
  CHSC101493  Packera streptanthifolia L. P. Janeway; David Toren 2009-8-19 9928 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, 1.8 km northeast of the Buckhorn survey monument, 0.5 km east of Cedar Flat; along the dry creek draining Faggs Reservoir to Willow Creek. 1684 Comment
  JEPS62624  Packera subnuda John Thomas Howell, Gordon True, Walter and Irja Knight 1968-6-11 2392 Plumas Butterfly Valley Sierra Nevada (wet area on e side) Comment
  CHSC62363  Paeonia brownii B. Castro; J. Jurewicz 1990-7-17 432 a Plumas Ca 6 air mi W of Crescent Mills, on gentle W-facing slope above Rush Ck, along mainly E side of USFS Rd 26N87 ca 0.9 mi S of its jcn with Rd 27N92 and ca 0.2 mi S of Cow Ck crossing. 1584 Comment
  POM161729  Paeonia brownii R. C. Bacigalupi 1927-7-12 1729 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  RSA201357  Panicum capillare J. T. Howell 1960-7-20 35761 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 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
  CHSC2455  Pectiantia pentandra R. Carter 1965-7-2 285 Plumas Green Island L., on E shore of lake where stream empties into lake, growing wet meadow beside stream. 1828 Comment
  SD6611  Pedicularis attollens Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SD6610  Pedicularis densiflora Mrs. R. M. Austin 1880-1 Plumas Bis Meadows Comment
  UC473560  Pedicularis densiflora L. S. Rose 1931-4-14 Plumas Woodleaf Comment
  RSA0006086  Pedicularis densiflora subsp. aurantiaca E. F. Sprague 1957-5-30 1206 Plumas Lake Almanor. 1311 Comment
  CHSC100029  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC49021  Pedicularis semibarbata Vernon Oswald 1986-6-6 2083 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  UCR115327  Pedicularis semibarbata G. D. Barbe, T. C. Fuller 1982-7-16 3760 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  CHSC58018  Pellaea brachyptera Vernon H. Oswald 1992-5-21 4948 Plumas Warner Valley on the S side of Hot Springs Creek ca. 0.5 mi upstream from the park boundary. Lassen Volcanic National Park. 1633 Comment
  UC197948  Pellaea brachyptera J. G. Lemmon and wife June 1883 Plumas Comment
  SEINET11713792  Pellaea brachyptera R. M. Austin 1878-1 s.n. Plumas no further locality Comment
  SD9640  Pellaea bridgesii J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  RSA52896  Pellaea bridgesii R. Weatherby 1950-8-11 1517 Plumas Upper end of Long Lake, Lakes Basin Area 2134 Comment
  UC1017704  Penstemon deustus var. deustus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1738 Plumas gravelly slide below Humboldt Summit; Sierra Nevada, below Humboldt Summit Comment
  CHSC21300  Penstemon deustus var. suffrutescens F. T. Griggs; A. Pass 1975-7-8 109 Plumas Buck's Lake Forest Service Survey. Comment
  NY609831  Penstemon deustus var. suffrutescens W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 670.6 Comment
  NY609848  Penstemon deustus var. suffrutescens J. P. Kroessig 1977-5-24 29 Plumas Along north margin of Alt 40, ca. 32 km south-southeast of Greenville. Almanor quadrangle, 15' 805 Comment
  CDA13398  Penstemon gracilentus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13247 Plumas Sierra Nevada; Near headwaters of Bull Run Creek off USFS 23N12E. 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
  NY600730  Penstemon gracilentus R. M. Austin s.n. Plumas Comment
  SEINET4207718  Penstemon gracilentus Mikel R. Stevens 2011-8-27 218 Plumas 6.9 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.4 rd miles beyond Barkers Cabin Rd.; 0 2004 Comment
  UC1063165  Penstemon gracilentus C. W. Hanks 1934-8-9 32 Plumas mtns n Sierra Valley; Plumas National Forest, Sierraville Quad. Comment
  SD133973  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8656 Plumas ridge between Red Rock and Diamond Mt ca 8 airmiles S of Susanville, dry open ridgeline 2225 Comment
  RSA739640  Penstemon neotericus B. Castro, L. P. Janeway 2005-9-11 1519 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.7 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1921 Comment
  RSA168793  Penstemon newberryi subsp. newberryi R. M. Straw 1962-6-27 2196 Plumas Southwest slope of Mt. Ararat, 6 miles SSE of Bucks Lake. 1700 Comment
  CAS-BOT-BC239287  Penstemon newberryi var. berryi Anna Head 1920-6-15 s.n. Plumas At Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC239301  Penstemon newberryi var. berryi Gladys L. Smith 1976-6-7 4590 Plumas Central area of summit ridge, secondary road from Rte. 70 to La Porte 1950 Comment
  CAS-BOT-BC239306  Penstemon newberryi var. berryi E. P. Chace 1934-4-11 s.n. Plumas Camp Rodgers Comment
  CAS-BOT-BC239295  Penstemon newberryi var. berryi Elmer I. Applegate 1934-5-3 8908 Plumas Near and west of Meadow Valley Comment
  CHSC43771  Penstemon newberryi var. newberryi Vernon Oswald 1983-8-4 968 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  RSA663916  Penstemon personatus David M. Thompson 1988-7-23 973 Plumas 3.1 miles N of Bucks Lake Road (and Meadow Valley) on Schneider Creek road; at jct. of Schneider Creek Road (USFS road 23N16) and USFS road 24N47X (to Big Creek). 1585 Comment
  CHSC42786  Penstemon roezlii L. P. Janeway 1984-7-22 925 Plumas Along OroQuincy Hwy at Bucks Summit. 1716 Comment
  UC614860  Penstemon roezlii Beryl O. Schreiber 1932-7-20 464 Plumas La Porte Comment
  SEINET3840877  Penstemon rydbergii M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe, J. T. Howell 1981-6-23 3144 Plumas Lake Almanor, 3.25 miles west of Round Valley Reservoir Dam; One fourth miles east of Junction with road to Canyon Dam (i.e. South arm of Lake Almanor) 1630 Comment
  CAS-BOT-BC239589  Penstemon rydbergii var. oreocharis Anna Head 1920-8-1 s.n. Plumas On trail to Long Lake, Feather River Region 2072 Comment
  JEPS94544  Penstemon rydbergii var. oreocharis Vernon Oswald and Lowell Ahart 1997-6-24 8628 Plumas s of Susanville (on Diamond Mountain Motorway (28N15) at the meadow at Wheeler Sheep Campground); Wheeler Sheep Campground, Diamond Mountain Motorway 1993 Comment
  NY651316  Penstemon rydbergii var. oreocharis E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828.8 Comment
  CAS-BOT-BC239603  Penstemon rydbergii var. oreocharis David D. Keck 1928-6-14 439 Plumas Gray Eagle Valley (5 miles s. of Blairsden) 1750 Comment
  JEPS3888  Penstemon speciosus Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  SEINET10548134  Penstemon speciosus Mary Susan Taylor 1982-6-10 Taylor 4622 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
  CHSC40971  Perideridia bolanderi J. D. Jokerst 1984-7-11 2102 Plumas Top of first ridge west of Ward Creek. South of Genesee Valley. 1584 Comment
  SEINET13944950 Image available Perideridia bolanderi Lincoln Constance, Tsan Iang Chuang 1967-1 3779 Plumas Between Graeagle, and Cliom 1.3 miles southeast of Graeagle. Alt 4500 ft 1372 Comment
  CHSC67329  Perideridia bolanderi subsp. bolanderi J. D. Jokerst 1984-6-13 2053 Plumas Inclusion traversed by USFS road 26N08, north of Cottonwood Cr. 1371 Comment
  CHSC95101  Perideridia bolanderi subsp. bolanderi L. P. Janeway; B. Castro 2006-6-3 8654 Plumas Northern High Sierra nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  CHSC99813  Perideridia lemmonii Lowell Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  SEINET10454552  Perideridia lemmonii Mary Susan Taylor 1982-7-8 Taylor 4796 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC222765  Perideridia parishii Walter Knight; Irja Knight 1966-6-19 1355 Plumas Butterfly Botanical Area and Vicinity. Near Pond Reservoir. Butterfly Valley Comment
  CHSC34360  Perideridia parishii subsp. latifolia M. S. Taylor 1981-7-17 4030 Plumas Lakes Basin, Bear Lakes trail, ca. 1/4 mi of the trailhead, ca. 6 air mi s of Mohawk. 1950 Comment
  JEPS114420  Perideridia parishii subsp. latifolia Lowell Ahart 2008-7-9 15054 Plumas Near a small meadow about 2 yards west of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte 1686 Comment
  RSA0058868  Perideridia parishii subsp. latifolia Lowell A. Ahart 2008-7-9 15054 Plumas Near a small meadow, about 2 yards west of the paved road, about 1/4 mile east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  CAS-BOT-BC413556  Persicaria amphibia Brian Curks 1937-8-15 s.n. Plumas Lake Alninor [Almanor] Comment
  CHSC45862  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas On a sandbar along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills. 1097 Comment
  CAS-BOT-BC330327  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1964-5-9 s.n. Plumas Thompson Creek. Sierra Nevada. Comment
  UC642419  Phacelia hastata A. A. Heller and P. B. Kennedy 1907-7-6 8755 Plumas Red Clover valley Comment
  UC1602018  Phacelia heterophylla subsp. virgata E. Sawyer 1935-6-14 110 Plumas 1 3/4 mi n Beckwith; Sierraville Quadrangle Comment
  JEPS21180  Phacelia humilis var. humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  RSA59115  Phacelia humilis var. humilis E. K. Balls 1950-8-31 15519 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  SEINET12765121  Phacelia humilis var. humilis Lowell Ahart 2007-6-8 14005 Plumas 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis.; 0 1966 Comment
  RSA8050  Phacelia humilis var. humilis H. A. Barker 1927-7-3 761 Plumas Blairsden. 1372 Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  JEPS104420  Phacelia mutabilis Lowell Ahart 2003-10-26 10680 Plumas On a gravel bar on the e side of the South Fork of the Feather River, where the old road crosses the river, ca 1/8 mi w of the Feather Fork Mine, ca 1 3/4 mi (air) ne of Little Grass Valley Reservoir, ca 6 1/2 mi (air) ne of La Porte. 1600 Comment
  SJSU14280  Phacelia mutabilis N. A. Hopkins 1989-5-27 1500 Plumas near Marble Hot Springs, NW corner Sierra Valley 1524 Comment
  CHSC107437  Phacelia purpusii Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 4 Plumas Northern High Sierra Nevada. Growing on the exposed S/SE facing ridge top and edges of Goat Mountain in scree and in cracks. 1680 Comment
  CHSC46791  Phacelia purpusii J. D. Jokerst 1984-7-11 2098 Plumas Edge of Beckworth-Genesee Road ca 1.1 miles NW of Drum Bridge, E end of Genesee Valley. Comment
  RSA0004581  Phaeostoma atropurpureum A. A. Heller 1938-5-30 15129 Plumas 2 miles west of Arch Rock Tunnel on Feather River Hwy. Transition Life Zone. Comment
  CHSC81191  Phalaris arundinacea Lowell Ahart 2001-8-28 9191 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  JEPS113549  Phleum pratense Lowell Ahart, Josephine Guardino 2007-7-21 14360 Plumas Along a small stream, near a spring, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  SEINET260548 Image available Phleum pratense M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  UCD89609  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor. 1828 Comment
  CHSC97147  Phlox diffusa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13984 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS95401  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas 1 1/4 air miles S of Bucks Lake (near Cedar Flat, W side of Faggs Mine Road, SW of a small branch of Willow Creek) 1706 Comment
  CHSC53208  Phlox diffusa subsp. diffusa L. P. Janeway 1989-6-26 3400 Plumas Ridgetop between Crocker Mdw and the head of Mapes Cyn. 1813 Comment
  RSA641450  Phlox diffusa subsp. diffusa Michael A. Vincent 1999-6-7 8520 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11 Comment
  UC1124206  Phlox gracilis E. Sawyer 1935-6-27 185 Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Sierraville Quad. 1767 Comment
  SD43455  Phlox speciosa A. Munz 1947-5-16 11832 Plumas 8.0 miles north of Chilcoot. 1524 Comment
  RSA518808  Phlox speciosa subsp. occidentalis Barbara Ertter, Gary Schoolcraft 1989-7-3 8665 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville 2317 Comment
  CAS-BOT-BC60677  Phoenicaulis cheiranthoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54255 Plumas Sierra Nevada. About 2.5 miles southeast of Mount Hough on the road to Quincy. 1798 Comment
  CAS-BOT-BC135166  Phoradendron juniperinum J. Ed. McClellan; Bonnie McClellan 1968-6-18 s.n. Plumas near Meadow Valley - Silver Lake Rd.; also in Butterfly Botanical Area near pond reservoir. Sierra Nevada 1463 Comment
  CAS-BOT-BC58836  Phyllodoce breweri Margaret Williams; Emily McPherson 1974-8-5 74 -P-15 Plumas Sierra Nevada - Trail to Mt. Elwell, Lakes Basin - west shoulder of Mt. Elwell 2194 Comment
  LA41262  Phyllodoce breweri Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  OBI10125  Physocarpus capitatus Lewis S. Rose 1966-7-27 66064 A Plumas Butterfly Creek and Spanish Crk; 1 mi S of Keddie 991 Comment
  SEINET10483396  Physocarpus capitatus Patricia L. Kenney 1973-6-5 Kenney 431 Plumas Along a stream along hwy 70, 6 miles s from jct. Of hwy 89 & 70. Douglas fir And yellow pine 1067 Comment
  CAS-BOT-BC78466  Pinus contorta subsp. murrayana M. B. Kildale 1926-9-10 2759 Plumas Chester 1289 Comment
  SJSU735  Pinus contorta subsp. murrayana A. Retan 8/1941 Plumas Bucks Lake 1572 Comment
  RSA325118  Pinus contorta var. murrayana M. S. Taylor 1981-5-10 3672 Plumas N side of Antelope Lake, approx. 1/4 mile E of Boulder Creek and USFS Work Center, between road and lake, approx. 20 miles NE of Taylorsville. (Antelope Lake Quad) 1537 Comment
  CAS-BOT-BC78691  Pinus jeffreyi Elmer I. Applegate 1929-6-21 5815 Plumas Mt. Lassen region; Kelley's Camp, Warner Valley Comment
  CDA530  Pinus jeffreyi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3103 Plumas South shore of Round Valley Reservoir. 1 mi W of dam on Dixie Canyon-Round Valley Rd. Comment
  JEPS104182  Pinus jeffreyi Lowell Ahart 2003-10-15 10634 Plumas On the n side of the road to Tamarack Flat, ca 1/8 mi w of the intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte. 1714 Comment
  SEINET5334638  Pinus lambertiana R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  CAS-BOT-BC79049  Pinus ponderosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1595 Plumas Fern Glen 1097 Comment
  OBI69178  Pinus ponderosa Kristina L. Schultz, Dan Schultz 2000-11-3 4 Plumas Quincy Range. Located directly off trl at the intersection of Jackson St. and Old Meadow Valley rd 1067 Comment
  SEINET12616076  Pinus ponderosa var. ponderosa D. A. Charlet, T. Charlet 1996-7-20 2299 Plumas Sierra Nevada; Diamond Mts Feather River Drainage near headwaters of Last Chance Ck, south of Milford Grade 1737 Comment
  CAS-BOT-BC136577  Piperia leptopetala John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2226 Plumas Field redacted by CAS, contact the data manager for more information 1051 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
  CDA17257  Plagiobothrys cognatus G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16284 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CAS-BOT-BC230957  Plagiobothrys hispidulus John Thomas Howell 1960-7-22 35884 A Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC230964  Plagiobothrys hispidulus John Thomas Howell 1976-7-16 51898 Plumas Flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  CAS-BOT-BC230971  Plagiobothrys hispidulus Lowell Ahart 1985-7-11 5141 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CHSC115159  Plagiobothrys hispidulus Lowell Ahart 2015-6-7 20216 A Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  CHSC43397  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 1986 Plumas In a small meadow along the road to Cleghorn Bar, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1645 Comment
  CHSC94108  Plagiobothrys hispidulus Lowell Ahart 2006-7-9 12926 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS102738  Plagiobothrys hispidulus Lowell Ahart 2001-7-17 8909 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS106146  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11056 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
  CAS-BOT-BC230976  Plagiobothrys hispidulus Lowell Ahart 1977-8-8 s.n. Plumas On gravel bar on the side of a small wash that drains into the lake from the meadow above the lake 2000 Comment
  UC149930  Plagiobothrys mollis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  CHSC66618  Plagiobothrys mollis var. mollis Vernon H. Oswald; Lowell Ahart 1996-7-15 8010 Plumas High Cascade Range. S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. 1371 Comment
  CHSC84534  Plagiobothrys mollis var. mollis John Dittes; Lowell Ahart 2003-8-8 2003 -92 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  RSA60118  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-9-2 15642 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  SD7494  Platanthera sparsiflora Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CHSC97096  Plectritis macrocera Lowell Ahart; Josephine Guardino 2007-7-20 14319 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  UC1094743  Plectritis macrocera Francia Chisaki 1956-6-1 899 Plumas 5.7 mi e of Virgilia (on Highway Alt. #40) Comment
  CAS-BOT-BC254766  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad 1828 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
  JEPS112953  Poa bolanderi Dean W. Taylor 2001-8-1 17858 Plumas spring at north base of Pilot Peak (ca. 10 air miles S of Quincy), along Forest Road 22N84X about 0.2 miles North of the Pilot Mine (site) 2011 Comment
  CAS-BOT-BC254965  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas 3.5 miles SW of Portola, ca 0.33 mile W of Middle Fork Feather River and ca 300 feet E of Highway 70 1484 Comment
  CHSC57464  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 1/3 mi west of Middle Fork Feather River and ca 300 ft east of Hwy 70. 1484 Comment
  CAS-BOT-BC255093  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  CAS-BOT-BC255915  Poa nervosa W. W. Wagner 1919-5-25 265 Plumas Squirrrel Creek , vicinity of Quincy 1584 Comment
  CAS-BOT-BC247271  Poa palustris John Thomas Howell; Gordon H. True 1969-6-23 45830 Plumas On Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC247276  Poa palustris Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1448 Plumas Butterfly Botanical Area and vicinity. Near bed of Spanish Creek adjacent to the confluence of Butterfly Creek 902 Comment
  CAS-BOT-BC247385  Poa pratensis John Thomas Howell 1951-6-28 27667 Plumas Jamison Creek 1584 Comment
  CHSC44588  Poa pratensis Lowell Ahart 1977-8-8 1546 Plumas On a dam, in Onion Valley Meadow, east of the small lake, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  UC1132703  Poa pratensis subsp. pratensis G. T. Nordstrom 1934-7-9 207 Plumas 1 1/4 mi se Mt Ararat; Plumas Nat'l Forest, Bidwell Bar Quadrangle 1584 Comment
  RSA300157  Poa secunda J. T. Howell 1962-6-17 37705 Plumas Portola 1463 Comment
  UCD90392  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas 1 mile W of Portola, along Hwy 24. 1472 Comment
  CAS-BOT-BC236278  Poa secunda subsp. juncifolia J. G. Lemmon Date on label crossed out: 1888 5461 Plumas Sierra Valley Comment
  UCD92152  Poa secunda subsp. juncifolia Collector Unknown 1889-6-6 s.n. Plumas Sierra Valley. Comment
  UCD92409  Poa secunda subsp. juncifolia R. Tofsrud 1947-7-23 238 Plumas Between Vinton and Beckworth. Comment
  CAS-BOT-BC242959  Poa secunda subsp. secunda A. A. Beetle 1941-6-28 2794 Plumas 10 miles W of Chester, route 36, mountain meadow near small stream Comment
  CAS-BOT-BC242961  Poa secunda subsp. secunda L. P. Janeway 1992-5-22 4195 Plumas S side of Middle Fork Feather River, just S of railroad tracks, 0.3 mile W of the road to Calpine, ca. 4 miles E of Portola 1487 Comment
  CAS-BOT-BC242974  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC242985  Poa secunda subsp. secunda John Thomas Howell 1975-6-16 51151 Plumas 2 miles NW of Spring Garden 1173 Comment
  CHSC101870  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC44590  Poa secunda subsp. secunda Lowell Ahart 1979-7-18 1980 Plumas Along the road just before it crosses Onion Valley Creek, at Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  UC70961  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Plumas mts s of Dixie Valley Comment
  UCD90784  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  CAS-BOT-BC6510  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  RSA300165  Poa trivialis J. T. Howell, Gordon H. True 1968-6-10 44551 Plumas Quincy 1037 Comment
  CHSC53183  Poa wheeleri L. P. Janeway 1989-6-12 3295 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  SD7690  Polemonium micranthum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  CAS-BOT-BC110522  Polygonum James T. Vale 1980-9-18 s.n. Plumas Sierra Nevada. Sand bar of Feather River just above Caribou road. Comment
  JEPS83026  Polygonum amphibium var. emersum M. S. Taylor 1982-8-10 4956 Plumas Lake Almanor Almanor NE quad (s end, ca 1 mi w of Canyon Dam) 1371 Comment
  UC1409075  Polygonum amphibium var. emersum R. F. Thorne and C. W. Tilforth 1969-9-6 39241 Plumas river margin 1 mi sw Beckwourth; Feather River 1356 Comment
  CHSC113858  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-9-9 19842 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
  CHSC113873  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS50555  Polygonum aviculare subsp. aviculare W. L. Jepson 1939-8-4 19333 Plumas Rock Creek Meadow Valley 1219 Comment
  CAS-BOT-BC414049  Polygonum aviculare subsp. aviculare M. S. Taylor 1982-9-13 5134 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC414222  Polygonum aviculare subsp. depressum Walter Knight; Irja Knight 1966-9-12 1742 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC414310  Polygonum aviculare subsp. neglectum Lowell Ahart 1981-9-6 3071 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  UC1136114  Polygonum bistortoides E. Sawyer 1935-6-17 121 Plumas 5 1/2 mi sse Crow; Plumas National Forest, Sierraville Quadrangle Comment
  RSA52889  Polygonum davisiae R. Weatherby 1950-8-11 1511 Plumas in lodgepole pine belt, near Hellgranite Pond, Lakes Basin Area. 2012 Comment
  CAS-BOT-BC414562  Polygonum douglasii A. A. Heller; P. B. Kennedy 1907-7-5 8744 Plumas Hills above Red Clover Valley Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  RSA726354  Polygonum douglasii L. Ahart, John Dittes 2007-6-16 14091 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UCD100241  Polygonum douglasii John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC60132  Polygonum douglasii subsp. douglasii L. P. Janeway 1992-7-10 4256 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. 2072 Comment
  CHSC97214  Polygonum douglasii subsp. douglasii Lowell Ahart; Josephine Guardino 2007-7-20 14324 Plumas North of a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS114557  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC53211  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1989-6-23 3388 Plumas Upper slopes overlooking Crocker Cr from the east. Plumas National Forest Beckwourth Ranger District. 1874 Comment
  JEPS50576  Polygonum douglasii subsp. spergulariiforme W. L. Jepson 1918-8-17 8030 Plumas Sierra Valley 1524 Comment
  SEINET11930161  Polygonum hydropiper Unknown 1981-1 3069 Plumas On a sandbar along Indian Creek, about 1/2 mi SW of the intersection of Hwy 89 and 1097 Comment
  UC1101168  Polygonum hydropiperoides Malcolm A. Nobs and S. Galen Smith 1949-8-19 1426 Plumas on Hwy 89 2 mi s Crescent Mills (pond in river, s end of valley); Indian Valley Comment
  RSA95484  Polygonum kelloggii L. S. Rose 1954-5-30 54060 Plumas Johnsville 1601 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
  CDA18454  Polygonum parryi G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3183 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
  CAS-BOT-BC419884  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 37806 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC62487  Polygonum polygaloides subsp. confertiflorum L. P. Janeway 1993-8-10 4518 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  CHSC36929  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Dry open slope above creek, off Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  CHSC97193  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13995 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  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
  SEINET9301724  Polygonum sawatchense Unknown 1982-6-17 3833 Plumas Frenchman Reservoir Comment
  CAS-BOT-BC420220  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1927-6-17 14628 Plumas United States Forest Reserve. Long Valley Comment
  UCSB15921  Polygonum sawatchense subsp. sawatchense Breedlove, Dennis 1962-6-12 Plumas On bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC420213  Polygonum sawatchense subsp. sawatchense Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk. Ca 1/4 mi S of Onion Valley and above road. 1800 Comment
  CAS-BOT-BC421042  Polygonum spergulariiforme L. P. Janeway 1993-8-26 4547 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. On south side of Middle Fork Feather River. 1484 Comment
  CAS-BOT-BC71840  Polypodium californicum J. G. Lemmon 1880-1-1 s.n. Plumas Sierra Valley Comment
  CHSC113974  Polystichum imbricans Lowell Ahart 2014-11-16 19907 Plumas About 100 yards northweast of the paved road, about 100 yards west of Little Grass Valley Reservoir, about 60 yards south of the small stream, about 250 yards southwest of the Black Rock, about 4-1/2 miles northwest of La Porte. 1584 Comment
  CHSC21314  Polystichum imbricans F. T. Griggs; A. Pass 1975-7-8 122 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC72271  Polystichum imbricans subsp. curtum John Thomas Howell 1959-9-21 34743 Plumas Belden 701 Comment
  JEPS33252  Polystichum imbricans subsp. imbricans W. L. Jepson 1924-7-22 10611 Plumas Rich Point; Middle Fork Feather River 914 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
  CHSC80687  Populus balsamifera subsp. trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. 1615 Comment
  CAS-BOT-BC102756  Populus tremuloides M. S. Taylor 1981-7-27 4124 Plumas Grizzly Valley quad. Along spring crossing Beckwourth-Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of 1737 Comment
  SBBG69658  Porterella carnosula E. Rockwell -Jun-1925 493 Plumas Last Chance Crk 1828 Comment
  CAS-BOT-BC267204  Potamogeton foliosus Malcom A. Nobs; S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  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
  CHSC57113  Potamogeton natans L. P. Janeway; Garrett Gibson 1991-7-21 4081 Plumas Plumas National Forest. Grizzly Creek at Oldhouse Creek confluence. 1764 Comment
  JEPS42968  Potamogeton natans W. L. Jepson 1918-8-17 8029 Plumas Clover Creek; Red Clover Valley 1676 Comment
  RSA331941  Potamogeton natans Walter Wisura, Dave Kelly 1985-8-2 4094 Plumas Butterfly Valley Botanical area. Comment
  CHSC115833  Potamogeton richardsonii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20426 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Serive Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CAS-BOT-BC143428  Potentilla Clare B. Hardham 1978-8-11 21759 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC57453  Potentilla gracilis var. elmeri L. P. Janeway; Melinda Carlson 1991-6-18 4047 Plumas Plumas National Forest. North side Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. Pasture. 1472 Comment
  CHSC97210  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
  POM147047  Potentilla gracilis var. fastigiata Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve Comment
  CAS-BOT-BC158519  Potentilla millefolia Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CHSC1577  Potentilla millefolia 1932-5-29 Plumas Near Chester. 1463 Comment
  RSA712806  Potentilla millefolia L. P. Janeway 2005-6-12 8418 Plumas East side of Feather River Meadows, 0.8 km N of Rice Creek and North Fork Feather River confluence. 1631 Comment
  CAS-BOT-BC531758  Potentilla rivalis W. Harnach; N. Harnach 1990-7-6 466 Plumas Sierra Valley, on the first corner E of county rd. A-23 on Marble Lane 1487 Comment
  CHSC53218  Poteridium annuum L. P. Janeway 1989-6-15 3326 Plumas Plumas National Forest. Along the rd into Jackson Cr campground; cyn of Middle Fk Feather River. 1371 Comment
  CHSC89276  Poteridium annuum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16326 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
  SBBG121282  Poterium sanguisorba L. Ahart, J. Dittes 2007-6-16 14147 Plumas W of a small stream, ca. 200 yards S of County Rd 111 (Beckwourth Gensee Rd), 20 yards E of Forest Rd 24NO8, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  POM287690  Primula suffrutescens Lyman Benson s.n. Plumas Sierra Nevada Range, Feather River 2439 Comment
  CAS-BOT-BC158139  Prunus emarginata Alice Eastwood 1927-6-15 14617 Plumas United States Forest Reserve Comment
  CAS-BOT-BC158149  Prunus emarginata R. F. Thorne; C. W. Tilforth 1969-9-6 39224 Plumas C. 2.5 mi. S. of Graeagle on Gold Lake Road 1645 Comment
  CHSC53305  Prunus emarginata L. P. Janeway 1989-6-20 3352 Plumas Plumas National Forest. Slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  UC1128293  Prunus emarginata C. G. Albertus 1935-8-3 251 Plumas 1 1/2 mi se of Cromburg (Plumas National Forest); Plumas National Forest 1310 Comment
  UC567074  Prunus emarginata D. Axelrod 1934-6-4 11 Plumas sw of La Porte 1645 Comment
  UC586844  Prunus emarginata Joseph Andorfer Ewan 1934-6-25 8197 Plumas Gold Lake Road; Sierra Nevada, Gold Lake Road 1524 Comment
  CAS-BOT-BC154645  Prunus subcordata Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  SEINET7406684  Prunus subcordata R. J. Holl 1948-4-20 25 Plumas 3 miles west of Chilcoot 1615 Comment
  CAS-BOT-BC154842  Prunus virginiana var. demissa L. P. Janeway 1990-6-8 3709 Plumas North side of Long Valley opposite Sloat, ca 3/4 mi N of Hwy 70/89; bottom of drainage between Little Long Valley Creek and Rattlesnake Creek 1356 Comment
  UC567086  Prunus virginiana var. demissa E. Sawyer 1935-6-1 57 Plumas 3/4 mi w of Kerby 1524 Comment
  CAS-BOT-BC357348  Pseudognaphalium microcephalum John Thomas Howell 1966-7-26 42000 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  JEPS17911  Pseudognaphalium thermale Rimo Bacigalupi 1955-7-22 5437 Plumas Tobin Feather River Canyon, Tobin 548 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
  CHSC80825  Pseudostellaria jamesiana Lowell Ahart 2001-7-17 8905 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  SD46718  Pseudostellaria jamesiana Robert J. Weatherby 1955-7-2 1582 Plumas Wilcox Valley 1768 Comment
  RSA739843  Pseudostellaria sierrae Barbara Ertter, Gary Schoolcraft 1990-5-14 8984 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  UC1061646  Pseudotsuga menziesii Herbert L. Mason Plumas Comment
  HSC93539  Psilocarphus oregonus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3184 Plumas Mt. Hough-Crystal Lake Rd. at junction of Howells Rd. to Tollgate Creek, 2.5 mi. NE of Quincy junction 1280 Comment
  CAS-BOT-BC361998  Psilocarphus tenellus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2140 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS124097  Psilocarphus tenellus Lowell Ahart 2015-6-7 20210 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
  JEPS115092  Pterospora andromedea Lowell Ahart, John Dittes 2009-7-14 16067 Plumas On the south 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
  POM76805  Pterospora andromedea Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC460528  Pterospora andromedea Alice Eastwood 1927-6-13 14563 Plumas US Forest Reserve: Forest Lodge near Greenville Comment
  RSA754534  Pycnanthemum californicum L. Ahart, John Dittes 2009-7-27 16181 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  SBBG128092  Pycnanthemum californicum L. Ahart, J. Dittes 2009-7-27 16181 Plumas ca. 20 yards N of the poor dirt rd, ca. 20 yards E of a small pond, headwaters of Grizzly Gulch, 2.1 mi NE of Butt Valley Reservoir Dam 1479 Comment
  RSA0081590  Pyrola aphylla Christopher Davidson 1974-7-25 2491 Plumas Ca. 5 mi. W of Westwood on St. Hwy 36. 1524 Comment
  CAS-BOT-BC462847  Pyrola asarifolia Anna Head 1921-7-23 s.n. Plumas Feather River Region Comment
  CHSC67361  Pyrola dentata James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2561 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  CDA14707  Pyrola picta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3212 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  RSA794225  Pyrola picta Diana D. Jolles 2005-7-16 131 Plumas Eastern side of Little Grass Reservoir, Plumas National Forest. Comment
  CAS-BOT-BC466109  Pyrola picta John Thomas Howell 1960-7-21 35821 Plumas Lassen Volcanic National Park, near Terminal Geyser 1798 Comment
  JEPS107610  Pyrrocoma carthamoides var. cusickii Lowell Ahart, Josephine Guardino 2005-8-10 12306 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC84530  Pyrrocoma lanceolata var. lanceolata John Dittes; Lowell Ahart 2003-8-8 2003 -90 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  CAS-BOT-BC362286  Pyrrocoma lanceolata var. lanceolata Fred Sommers 1976-8-27 230 Plumas Sierra Valley Marsh between road and Marble Hot Springs 1524 Comment
  CAS-BOT-BC328161  Pyrrocoma lucida L. S. Smith 1932-9-19 2726 Plumas Beckwith Meadow, Tahoe National Forest Comment
  CAS-BOT-BC94827  Pyrrocoma lucida R. C. Wenk 2009-7-13 1122 Plumas Plumas N.F., Frenchman Lake, Little Last Chance Creek Rd., near far N end of lake 1700 Comment
  CAS-BOT-BC328166  Pyrrocoma racemosa var. congesta M. S. Taylor 1982-8-27 5044 Plumas Southwest corner of junction of Highway 70 and road to Loyalton in Vinton 1493 Comment
  SBBG111334  Quercus chrysolepis J. M. Tucker 1948-7-25 1750 Plumas 1.3 mi E of Camp 18, area of Camel's Pk 1219 Comment
  SEINET9005360  Quercus chrysolepis Sloan 1949-6-25 21 Plumas Keddie, on highway 24 Comment
  RSA88599  Quercus durata J. T. Howell 1951-6-26 27532 Plumas Near Rich Bar. 793 Comment
  CAS-BOT-BC62739  Quercus garryana var. breweri John Thomas Howell 1951-6-26 27548 Plumas Feather River Canyon 853 Comment
  UC1135649  Quercus kelloggii E. Nourse 1934-8-14 12 Plumas 1 mi n and 1.5 mi w Quincy; Downieville Quad. 1127 Comment
  UCSB13453  Quercus kelloggii Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET5644375  Quercus kelloggii R. R. Wilson 1952-7-15 1608 Plumas 2 1/2 miles north of Greenville.; 0 Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 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
  UC1135813  Quercus vacciniifolia E. Nourse 1934-9-5 32 Plumas 2.5 mi n and 0.75 mi w Pilot Peak; Plumas National Forest, Downieville Quad. 1920 Comment
  CHSC107443  Ranunculus alismifolius var. alismellus Matt Simenc; Rebecca Joyner 2011-7-2 5 Plumas Northern High Sierra Nevada. 0.25 miles (air) ESE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. Growing on flat ground 10 ft East of old dam, on South side of Onion Valley Creek. 1912 Comment
  CAS-BOT-BC379372  Ranunculus alismifolius var. alismifolius L. P. Janeway 1992-5-14 4175 Plumas north side of Big Grizzly Creek at northwest end of Lake Davis 1765 Comment
  SEINET4090477  Ranunculus alismifolius var. alismifolius B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
  CHSC55576  Ranunculus alismifolius var. lemmonii Steven Triano 1988-4-17 54 Plumas Ca 40 ft s of Hwy. 89 and 0.7 mi w of Almanor. 1386 Comment
  CHSC37774  Ranunculus aquatilis var. capillaceus M. S. Taylor 1981-5-10 3670 Plumas In n side of Antelope Lake, ca. 1/4 mi w of Boulder Creek and USFS Work Center, ca. 20 mi ne of Taylorsville. 1536 Comment
  NY493015  Ranunculus aquatilis var. diffusus R. M. Austin 1875-1 95 Plumas Comment
  JEPS86268  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  SEINET8696953  Ranunculus flabellaris W. Harnach, N. Harnach 1991-6-17 545 Plumas Sierra Valley, 0.75 mile W of steel bridge on Marble Lane. 1486 Comment
  JEPS122107  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. Comment
  SD46722  Ranunculus flammula var. ovalis Robert J. Weatherly 1950-7-7 1458 Plumas Snake Lake, Quincy, at edge of lake 1219 Comment
  RSA518189  Ranunculus occidentalis B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 958 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  POM279200  Ranunculus occidentalis var. eisenii J. Ewan 1934-7-19 8244 Plumas along sides of ditches, Dentans (Blairsden). 1616 Comment
  RSA726350  Ranunculus occidentalis var. occidentalis L. Ahart, John Dittes 2007-6-16 14114 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UC118226  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  UC338277  Ranunculus uncinatus unknown 1889-5-28 Plumas Culver's Spring Mohawk Valley Comment
  CAS-BOT-BC59571  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  JEPS101249  Rhamnus alnifolia Dean W. Taylor 2000-7-31 17541 Plumas Little Antelope Creek, southeastern end of Antelope Lake (Feather River watershed); along Forest Road 278N41 0.2 miles S from junction of Road 172 (paved) 1554 Comment
  JEPS42001  Rhamnus californica W. L. Jepson 1939-8-8 19351 Plumas Meadow Valley 1158 Comment
  RSA88510  Rhamnus tomentella subsp. crassifolia J. T. Howell 1951-8-19 28167 Plumas Serpentine near Rich Bar. 793 Comment
  CAS-BOT-BC56576  Rhododendron columbianum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1691 Plumas Sweetwater Meadow 1127 Comment
  CHSC102005  Rhododendron neoglandulosum L. P. Janeway; B. Castro 2009-8-29 9945 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CHSC54396  Rhododendron neoglandulosum Vernon H. Oswald 1991-7-17 4754 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
  SBBG30511  Rhododendron neoglandulosum D. Myrick 1968-6-18 1938 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  RSA600533  Rhynchospora alba L. C. Wheeler 1959-7-16 7577 Plumas Butterfly Valley. Comment
  HSC95628  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area, northernmost boggy area on W side of FS Rd. 25N47, 0.1 mi. S of FS Rd. 417 1195 Comment
  SD8334  Ribes californicum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
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  UC1586453  Ribes inerme var. inerme Vernon H. Oswald and Lowell Ahart 1991-7-30 4798 Plumas ca. 6 mi (air) ene Humbug Summit (within the fenced enclosure at the springs, ca. 12 mi (air) s of Chester, w side of valley); Humbug Valley, Big Springs 1310 Comment
  SD8335  Ribes menziesii var. ixoderme Mrs. R. M. Austin 1874-1 Plumas Soda Spring. Comment
  JEPS115783 Image available Ribes nevadense Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15871 Plumas Southwest of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  JEPS48771  Ribes nevadense John Warren Duffield 1937-5-23 Plumas Bear Creek Buck Lake Quad.-1950 Comment
  UC465793  Ribes nevadense H. M. Hall July 1912 9322 Plumas Long Lake Sierra Nevada Mountains 2042 Comment
  RSA0018026  Ribes roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake. Sierra Nevada. Feather River watershed. 2134 Comment
  CAS-BOT-BC186216  Ribes roezlii var. roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake, Sierra Nevada Mt. Range, Feather River 2133 Comment
  CAS-BOT-BC186237  Ribes roezlii var. roezlii Walter Knight; Irja Knight 1967-5-22 1823 Plumas Overnight camp. Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS127343  Ribes viscosissimum Lowell Ahart 2016-7-9 21101 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC59907  Rigiopappus leptocladus L. P. Janeway 1992-7-17 4265 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. In unused dirt road and adjacent clearcut slope. 1731 Comment
  CAS-BOT-BC74626  Rorippa curvisiliqua John Thomas Howell 1959-9-25 34996 Plumas Sierra Nevada. Beach of Feather River. Portola. 1478 Comment
  CAS-BOT-BC74632  Rorippa curvisiliqua Anna Head 1921-7-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  RSA716413  Rorippa curvisiliqua L. Ahart, John Dittes 2005-9-19 12387 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  CAS-BOT-BC74637  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  CAS-BOT-BC146373  Rosa W. Harnach; N. Harnach 1990-6-27 422 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  CAS-BOT-BC148170  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2405 Plumas Butterfly Botanical Area, South end of Pond reservoir - Sierra Nevada Comment
  SD123483  Rosa gymnocarpa Robert F. Thorne 1974-7-30 45004 Plumas Plumas National Forest, Butterfly Valley Botanical Area: margin of boggy meadow W of Mill Pond 1157 Comment
  CHSC75927  Rosa pisocarpa G. F. Hrusa; T. D. Wilfred 1996-8-2 13426 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor rocks, 1 mi. NW of Argentine Rock. On spring, tributary of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1820 Comment
  CAS-BOT-BC149734  Rosa woodsii subsp. ultramontana Alice Eastwood 1927-6-1 14906 Plumas On road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  SBBG121284  Rosa woodsii subsp. ultramontana L. Ahart, J. Guardino 2007-7-20 14323 Plumas E of Lightning Tree Cmpgrd, E of paved rd, E side of Lake Davis 1789 Comment
  RSA726333  Rosa woodsii var. ultramontana L. Ahart, J. Dittes, J. Guardino 2007-8-10 14465 Plumas About 40 yards S of Beckworth Gensee Road. There is a small quarry E of a poor road, the meadow and stream, about 2 miles (air) N of the N end of Lake Davis. 1762 Comment
  RSA88545  Rosa woodsii var. ultramontana J. T. Howell 1951-6-28 27664 Plumas Jamison Creek Canyon 1585 Comment
  UCD18416  Rostraria cristata Vincent Forcella 2000-4-22 15 Plumas Plumas County?: Feather River, Shanghai Bend. Comment
  CHSC103149  Rotala ramosior Lowell Ahart; John Dittes 2009-9-7 16383 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA795723  Rubus parviflorus L. Ahart, John Dittes 2009-7-27 16169 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  SEINET7705863  Rubus parviflorus H. Hamlin 1904-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC156923  Rubus ursinus Walter Knight; Irja Knight 1966-6-18 1318 Plumas Butterfly Valley 1036 Comment
  UC1140949  Rudbeckia occidentalis G. T. Nordstrom 1934-7-9 192 Plumas 1.5 mi nw of Mt. Ararat; Bidwell Bar 1676 Comment
  CDA13980  Rudbeckia occidentalis var. occidentalis G. F. Hrusa 1996-8-2 13444 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  CHSC55731  Rumex acetosella K. R. Stern 1985-6-25 8209 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC433316  Rumex crispus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1442 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek. 883 Comment
  UC1070520  Rumex paucifolius E. Sawyer 1935-6-6 74 Plumas 3.25 mi s Sugarloaf; Sierraville Quad. 1493 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-BC445748  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1391 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  SD46456  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1220 Comment
  CHSC69163  Sagittaria rigida Vernon Oswald 1997-8-1 8809 C Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103621  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1651 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  CAS-BOT-BC103626  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas outlet to Deer Lake below dam, Gold Lake region Comment
  UC846413  Salix eastwoodiae Mrs. E. C. Sutliffe Aug. 1919 Plumas Gold Lake region Comment
  CAS-BOT-BC103877  Salix exigua John Thomas Howell 1959-9-21 34770 Plumas Bars of N. Fk. of Feather River near Belden 701 Comment
  CAS-BOT-BC103883  Salix exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54187 Plumas Rush Creek 1402 Comment
  CHSC114705  Salix exigua G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3325 Plumas Junction of Diamond Mountain Road and Antelope Lake road, near the confluence of Lights Creek and its East Branch. 1371 Comment
  UC1552733  Salix exigua var. hindsiana Frederica Bowcutt 1985-6-6 570 Plumas ca. 15 air mi ne of Quincy (ca. 3 air mi sw of Babcock Peak, along Last Chance Creek); Plumas Nat'l Forest Comment
  CAS-BOT-BC107971  Salix geyeriana Alice Eastwood 1918-5-25 7045 Plumas Portola Comment
  CHSC13916  Salix geyeriana E. L. Smith 1971-6-29 952 Plumas At Clio, in Mohawk Valley at entr. To Sierra Valley on Mohawk Creek, just off midfork, Feather River. 1341 Comment
  JEPS121731  Salix geyeriana B. Castro and L. P. Janeway 2007-6-24 1658 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley ~ 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Cree, ca 700 ft SW of small rock dam and pond. Comment
  UC440199  Salix jepsonii H. M. Hall 1912-7-8 9324 Plumas Long Lake 2042 Comment
  CAS-BOT-BC125301  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC125306  Salix lasiandra var. lasiandra John Thomas Howell 1960-7-18 35593 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC125322  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1477 Plumas In Butterfly Canyon along roadside. 1036 Comment
  JEPS107697  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2005-9-20 12453 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 1984 Comment
  CAS-BOT-BC128435  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell 1966-7-28 1432 Plumas In bed of Spanish Creek near confluence of Butterfly Creek 1021 Comment
  CAS-BOT-BC125107  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC482031  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  UC482042  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 397 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  UCSB15994  Salix ligulifolia Breedlove, Dennis 1962-6-12 Plumas Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 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
  CDA39566  Salix lucida subsp. lasiandra L. 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. Comment
  LA208872  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N fork of Feather River, at Chester, at hwy bridge 1350.0 Comment
  POM218999A  Salix melanopsis Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester. 1350 Comment
  CAS-BOT-BC129095  Salix scouleriana Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1513 Plumas East of dam, pond reservoir - Butterfly Botanical Area and vicinity. 1094 Comment
  UCD63045  Salix scouleriana Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Blackhawk Road. Butterfly Valley. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  RSA59276  Salsola tragus E. K. Balls 1950-8-31 15 .57 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  JEPS107698  Sambucus mexicana Lowell Ahart, John Dittes 2005-9-20 12455 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 1984 Comment
  UC1119907  Sambucus mexicana D. Axelrod 1934-6-2 47 Plumas 3/4 mi ne La Parte; Plumas National Forest, Downieville Quadrangle 1615 Comment
  JEPS87743  Sanicula graveolens Lowell Ahart 1994-6-15 7340 Plumas about 1 air mi w of Little Grass Valley Reservoir (about 200 yards e of logging road near intersection of Lumpkin Ridge Road and the road to Tamarack Flat) 1767 Comment
  SEINET10454662  Sanicula graveolens Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3886 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  CHSC45521  Sarcodes sanguinea Lowell Ahart 1975-8-29 969 Plumas About 10 mi south of Bucks Lake, about 1 mi NE of Hardquartz Mine, along the edge of small stream which is part of Arkansas Ravine. 1828 Comment
  SD7825  Sarcodes sanguinea Daniel Cleveland july 1882 Plumas Big Meadows Comment
  CAS-BOT-BC401520  Sarracenia flava M. S. Taylor 1982-9-2 5089 Plumas In Darlingtonia bog just s of the switchback, Butterfly Valley Botanical Area, ca. 1 mi w of Keddie 1188 Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  CHSC61388  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-11 5788 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. Marshy E half of the lake. 1839 Comment
  JEPS91025  Schoenoplectus subterminalis Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11435 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-BC35587  Scirpus congdonii Walter Knight; Irja Knight 1966-6-19 1386 Plumas Butterfly Valley 1127 Comment
  CHSC65852  Scirpus congdonii L. P. Janeway 1995-10-25 4944 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  UC501555  Scirpus congdonii Frank W. Peirson 1932-7-19 10348 Plumas Feather River near Chester; Feather River near Chester 1463 Comment
  CAS-BOT-BC35582  Scirpus congdonii Gladys L. Smith 1959-6-20 1259 Plumas Butterfly Valley near Quincy Comment
  CAS-BOT-BC30739  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1673 Plumas Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC111007  Scirpus microcarpus Alice Eastwood 1927-6-13 14547 Plumas Forest Lodge near Greenville Comment
  CHSC53557  Scirpus microcarpus L. P. Janeway 1990-8-29 3847 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. 1905 Comment
  JEPS100476  Scirpus microcarpus Dean W. Taylor 2000-8-8 17561 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS107596  Scirpus microcarpus Lowell Ahart, Josephine Guardino 2005-8-10 12312 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  UC1713589  Scutellaria antirrhinoides C. Epling 1938-6-1 Plumas Prattville Comment
  CDA18457  Scutellaria siphocampyloides G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3178 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  UC1523372  Scutellaria siphocampyloides J. G. Lemmon September 1874 Plumas Comment
  CHSC107471  Sedum obtusatum subsp. boreale M. Simenc; N. Habecker, T. Hanson, M. Williams 2011-8-17 27 Plumas Northern High Sierra Nevada. 430m (air) SW of turn to Onion Valley Reservoir canping area; 22km NE of La Porte on La Porte Quincy Rd. Locally abundant on and above cliffs above La Porte Quincy Rd on reddish rock. 1991 Comment
  CHSC32832  Sedum spathulifolium W. Michael Foster 1981-4-26 17 Plumas Along either side of Buck's Creek, ca. 1/4 mi above confluence with the North Fork of the Feather River, ca. 24 mi w of Quincy. 579 Comment
  UCR208946  Sedum spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Northern Sierra Nevada Mtns., c. 3 mi on dirt road to Snake Lake branching to NW off Hwy 70 c. 2 mi N of Quincy 1273 Comment
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  CAS-BOT-BC63849  Sedum spathulifolium John Thomas Howell 1962-6-16 37634 Plumas Lewisia Rock, North Fork Feather River 640 Comment
  RSA0074743  Sedum spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Ca. 3 miles on dirt road to Snake Lake branching to NW off Hwy 70 ca. 2 miles N of Quincy. 1273 Comment
  SD51745  Sedum spathulifolium P. C. Hutchison 1961-6-9 2133 Plumas 4.5 miles west of Quincy, on the road to Bucks Lake. Comment
  CAS-BOT-BC363251  Senecio Greg Sommers 1976-7-20 188 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  SEINET10472840  Senecio Mary Susan Taylor 1981-7-21 Taylor 4079 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  CAS-BOT-BC363367  Senecio aronicoides L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CHSC89473  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 204 Plumas Located in the Quincy District of the Plumas National Forest, above Middle Campground, Feather River Canyon. 1463 Comment
  CAS-BOT-BC363797  Senecio integerrimus Walter Knight; Irja Knight 1967-5-22 1806 Plumas Butterfly Botanical Area and Vicinity. Rubble gap Comment
  CHSC85480  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  UC1542939  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  RSA0124939  Senecio integerrimus var. exaltatus Michael A. Vincent 1999-6-7 8527 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CAS-BOT-BC364037  Senecio integerrimus var. major John Thomas Howell; Gordon H. True 1967-7-11 43322 Plumas About 3 miles southeast of Mt. Houth [Hough] 1706 Comment
  CAS-BOT-BC364175  Senecio serra A. A. Heller; P. B. Kennedy 1907-7-16 8860 Plumas Genessee Valley near Genessee Comment
  UC335864  Senecio serra var. serra unknown August 1883 Plumas Genessee Valley Comment
  JEPS16115  Sericocarpus oregonensis subsp. californicus Duncan Dunning 1921-8-23 Plumas 6 mi e, e end of American Valley, above Thompson Ranch Quincy; American Valley Comment
  CHSC21702  Sidalcea gigantea f. t. Griggs; A. Pass 1975-7-31 273 Plumas Grizzly Forebay. Comment
  CHSC59755  Sidalcea glaucescens L. P. Janeway 1992-8-30 4294 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1905 Comment
  RSA718777  Sidalcea glaucescens L. P. Janeway 2006-7-11 8811 Plumas Northern High Sierra Nevada. About 2.7 km north of Quincy; 70 m northwest Hwy 70 along south side of Snake Lake Road. Southeast-facing slope; 1097 Comment
  SEINET2442081  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester.; 0 1463 Comment
  UC1950094  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester Comment
  UC1013129  Sidalcea glaucescens C. L. Hitchcock 1952-6-25 19623 Plumas 100 yards e of spillway Lake Almanor; e of spillway of Lake Almanor Comment
  RSA87484  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-25 19625 Plumas Feather River Canyon, 10 miles west of junction with Highway #89. Comment
  RSA95195  Sidalcea malviflora subsp. asprella F. W. Peirson 1926-6-21 6786 Plumas East slope of Sierra Nevada, Humboldt Road Comment
  SBBG21914  Sidalcea oregana D. Myrick 1964-7-19 866 Plumas Drakesbad 1737 Comment
  RSA60239  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-2 15631 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  SDSU8184  Sidalcea oregana subsp. spicata D. F. Howe 1964-7-29 3897 Plumas Near Gold Lake Lodge, Plumas national Forest 2012 Comment
  JEPS67296  Sidalcea oregana subsp. spicata W. L. Jepson 1939-7-30 19281 Plumas between Fales Hill and Chaparral Hill (Spanish Creek headwaters); , btw Fales Hill and Chaparral Hill 1584 Comment
  JEPS97934  Sidalcea oregana subsp. spicata Vernon H. Oswald and Lowell Ahart 1998-8-11 9483 Plumas Grizzly Creek, W of Bucks Lake on USFS 23N36 0.1 mi E of Oroville - Quincy Hwy 1566 Comment
  UCSB19783  Sidalcea oregana subsp. spicata Myrick, Donald 1964-7-19 Plumas Drakesbad, Lassen Volcanic National Park 1737 Comment
  CHSC62350  Silene bernardina B. Castro; L. Hanson 1989-8-17 401 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
  JEPS95381  Silene bernardina Lowell Ahart 1994-7-22 7488 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  UCR3553  Silene californica Wm. Horn Jr. 1963-7-14 630714- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 100 yards south of Forest Service Road 24N36, 0.5 mi west of UC Forestry Camp 1159 Comment
  JEPS51029  Silene californica W. L. Jepson 1939-7-31 19292 Plumas w Meadow Valley; w of Meadow Valley 1524 Comment
  CAS-BOT-BC384432  Silene coronaria John Thomas Howell 1966-7-28 42006 Plumas 5 miles north of Quincy on road to Keddie Comment
  UCD98585  Silene dichotoma subsp. dichotoma G. L. Stebbins Jr. 1970-7-24 7071 Plumas Blairsden. 1341 Comment
  CHSC57073  Silene douglasii L. P. Janeway 1991-7-23 4093 Plumas Plumas National Forest. Between Gold Lake Hwy and Gray Eagle Creek, 1.0 mi north of turn to Gray Eagle Lodge. 1691 Comment
  SD46528  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas On trail near Long Lake, Lakes Basin Area, North Sierra Nevada Mountains. 1980 Comment
  CAS-BOT-BC386894  Silene gallica John Thomas Howell; H. Keith Wagnon 1980-5-28 53707 Plumas North Fork Feather River canyon 4 miles northeast of Pulga Bridge Comment
  CHSC41377  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  CHSC67210  Silene invisa James D. Jokerst 1989-7-3 3111 Plumas Florintine Canyon W of Johnstown. Comment
  CHSC111729  Silene laciniata subsp. californica Lowell Ahart 2012-7-1 18250 Plumas By large rocks, on the west side of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CAS-BOT-BC389378  Silene lemmonii John Thomas Howell; Gordon H. True 1967-7-11 43311 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC389441  Silene lemmonii Gillett; Hans Leschke 1957-7-13 s.n. Plumas Lassen Volcanic National Park. Betw. Devils Kitchen & Bench Lake Comment
  POM147077  Silene lemmonii Alice Eastwood 1927-06 14455 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  UC1075739  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek , 4th Water Bear Creek (Middle Fork Feather River) 1554 Comment
  NY342641  Silene occidentalis R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  RSA95419  Silene occidentalis J. T. Howell 1951-6-27 27557 Plumas Johnsville; Sierra Nevada 1585 Comment
  CHSC73941  Silene occidentalis subsp. occidentalis B. Castro; L. Gehrung 1998-9-24 842 Plumas Ca 3 air mi W of Pilot Peak, on S-facing slope of W-trending ridge, on E side of USFS Rd 22N60 ca 0.1 mi S of the Pacific Crest Trail crossing. 1798 Comment
  UC1137898  Silene occidentalis subsp. occidentalis D. Axelrod 1934-6-12 37 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. Comment
  CAS-BOT-BC75110  Sisymbrium altissimum Alice Eastwood 1927-6-11 14444 Plumas Crescent Mills. United States Forest Preserve. Comment
  SEINET10448360  Sisymbrium altissimum Mary Susan Taylor 1980-10-8 Taylor 3362 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  CDA17254  Sisyrinchium elmeri G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16281 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  UCD150433  Sisyrinchium elmeri William Anderson 1965-6-6 s.n. Plumas Butterfly [Valley]. Comment
  RSA88404  Sium suave J. T. Howell 1951-8-20 28217 Plumas Genesee 1128 Comment
  JEPS62127  Smilacina racemosa John W. Duffield 1937-5-26 Plumas In Camp Schneider Creek (above and w of Meadow Valley) Comment
  UCD149399  Solanum nigrum Collector Unknown 1927-9-1 s.n. Plumas Taylorsville. 1139 Comment
  UCD127001  Solanum physalifolium var. nitidibaccatum Mr. Peters 1927-9-1 818 Plumas Taylorsville. Comment
  CAS-BOT-BC157242  Solanum umbelliferum W. D. Dakan 1974-4-25 s.n. Plumas At mouth of Chambers Creek, just above Tobin, North Fork of the Feather River 640 Comment
  CAS-BOT-BC365513  Solidago elongata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1516 Plumas Butterfly Botanical Area and Vicinity. North end of Pond Reservoir 1097 Comment
  CAS-BOT-BC365520  Solidago elongata M. S. Taylor 1981-8-20 4232 Plumas S side of Fox Rd (27N92) at jct with creek, ca. 2 mi se of Canyon Dam 1524 Comment
  UC830219  Solidago elongata Anna Head 1921-8-13 Plumas Lake Center Camp , Lake Center Camp (Feather River Region) Comment
  UC1999884  Solidago velutina subsp. californica J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9303 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  RSA252435  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-6 39235 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  RSA716794  Sparganium angustifolium subsp. emersum L. 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. 2030 Comment
  SD149191  Sparganium eurycarpum John Thomas Howell 1961-9-25 36955 Plumas Feather River bed, Portola 1477 Comment
  RSA246605  Sparganium natans Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42364 Plumas Plumas Natl Forest; Snag Lake 2058 Comment
  CAS-BOT-BC390073  Spergularia atrosperma John Thomas Howell 1962-6-19 37866 Plumas 5.8 mi. east of Beckwourth 1493 Comment
  SEINET10537500  Spergularia rubra Lowell Ahart 1985-7-11 Ahart 5129 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  SEINET264196  Spiraea densiflora S. Gessel 1940-6-27 Plumas Mt Hough Lookout; near Crystal Lake Comment
  UCR106890  Spiraea densiflora L. C. Wheeler 1952-9-24 6960 Plumas Plumas 5: mine area in vicinity of Crescent Mills Comment
  CAS-BOT-BC149660  Spiraea douglasii Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC115824  Spiraea douglasii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20419 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  CHSC6572  Spiraea douglasii R. Carter 1966-7-10 479 Plumas Found 1 mi. N Bucks summit of W side Oroville-Quincy Rd. on slope above road, ca. 12 mi. W of Quincy. 1615 Comment
  CHSC71651  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1998-8-11 9485 Plumas West of Bucks Lake on USFS 24N36 0.1 mi east of Oroville-Quincy Hwy. In meadow along Grizzly Creek. 1566 Comment
  UCD147802  Spiraea douglasii Allyson Ayalon; Lucie Jerabkova 2012-8-1 155 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  SEINET7707730  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-9 8786 Plumas Prattville. Comment
  CAS-BOT-BC152534  Spiraea splendens E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  NY342291  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Feather river near Bucks Creek power house 609.6 Comment
  CHSC51238  Stachys ajugoides var. rigida Lowell Ahart 1976-7-7 1157 Plumas Growing along Cold Water Creek, at the camp on Cold Water Creek, about 4 miles south of Grizzly Mountain. 1524 Comment
  CHSC52071  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3550 Plumas Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. Along side of creek. 1752 Comment
  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
  JEPS101240  Stachys pycnantha Dean W. Taylor 2000-8-8 17551 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  SBBG32392  Stachys rigida L. S. Rose 1966-7-27 Plumas Butterfly Crk, 2 mi S of Keddie 1005 Comment
  SEINET10499278  Stachys rigida subsp. rivularis Mary Susan Taylor 1974-7-3 Taylor 300 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET7977076  Stachys rigida var. rigida A. A. Heller, P. B. Kennedy 1907-7-8 8767 Plumas Near Greenville Comment
  SBBG2071  Stellaria longipes H. and M. Dearing 1938-7-1 2248 Plumas W side of Lake Almanor 1219 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
  CHSC64829  Stellaria longipes var. longipes Vernon H. Oswald 1995-6-24 6914 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. In a streamside meadow on the e side of the road. 1371 Comment
  CAS-BOT-BC397728  Stellaria nitens Mary Strong Clemens 1920-5-12 s.n. Plumas Greenville Comment
  CHSC74083  Stellaria obtusa H. Durio 1998-10-7 Plumas Near SE corner of Lower Bucks Lake, at mouth of Pat Maloy Ravine Creek. 1560 Comment
  JEPS103562  Stellaria umbellata Lowell Ahart 2002-6-26 9757 Plumas In a meadow, on the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CAS-BOT-BC5618  Stenotus acaulis A. A. Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley Comment
  CHSC34902  Stenotus acaulis M. S. Taylor 1981-6-16 3911 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak Lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  RSA0035827  Stephanomeria lactucina Lowell A. Ahart 2008-8-14 15195 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
  RSA101425  Stephanomeria lactucina R. Weatherby 1955-8-12 1680 Plumas McFarland Ravine, Bear Creek area, near Meadow Valley. 1402 Comment
  CHSC41152  Stephanomeria tenuifolia J. D. Jokerst 1984-7-10 2092 Plumas Canyon of Indian Creek between creek and road east of Rattlesnake Ravine. 1249 Comment
  JEPS122341  Stipa stillmanii Lowell Ahart 2014-9-9 19860 Plumas On the west side of Sly Creek, Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. Comment
  UC1563900  Streptanthus cordatus Barbara Ertter with Gary Schoolcraft 1989-7-3 8653 Plumas 8 air mi s Susanville (w-facing steep rocky slope below Red Rock lookout) 2255 Comment
  CAS-BOT-BC87783  Streptanthus tortuosus John Thomas Howell 1966-7-26 41998 Plumas Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CAS-BOT-BC87784  Streptanthus tortuosus John Thomas Howell 1976-7-16 51878 Plumas Sierra Nevada. Spanish Creek near mouth of Slate Creek. 1066 Comment
  RSA169402  Streptanthus tortuosus L. S. Rose 1963-6-2 63080 Plumas Rock Creek, N Fork of Feather River. 640 Comment
  UC176151  Streptanthus tortuosus var. orbiculatus A. A. Heller 1913-6-13 10854 Plumas near Quincy 1066 Comment
  SEINET10449415  Styrax officinalis subsp. redivivus Mary Susan Taylor 1982-5-23 Taylor 4511 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  JEPS15371  Suksdorfia ranunculifolia Herbert A. Thomas 1936-6-21 119 Plumas Silver Lake Camp Califorest, Meadow Valley P.O. (along rocky stream entering sw end) 1889 Comment
  CHSC84883  Swertia albicaulis var. nitida R. D. Fischer; Jenny Marr 2003-7-4 7 Plumas Northern Sierra Nevada, Butt Valley Reservoir, approx 5 miles south of Almanor. Plant collected between the main rd and lake along the eastern shore of the southern half of lake. Streambed 75 ft. from lake shore. 1264 Comment
  CAS-BOT-BC237017  Symphoricarpos mollis R. M. Austin 1880-1-1 s.n. Plumas Big Meadows Comment
  JEPS13654  Symphoricarpos mollis W. L. Jepson 1939-8-2 19327 Plumas Meadow Valley 1158 Comment
  RSA609422  Symphoricarpos mollis L. C. Wheeler 1958-7-30 7353 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1584 Comment
  RSA0045593  Symphyotrichum bracteolatum L. P. Janeway 2012-10-11 11057 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road across from Road 22N21; northwest slope between Gibsonville Ridge and SOuth Fork Feather River. 1877 Comment
  CAS-BOT-BC97508  Symphyotrichum eatonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1463 Plumas In Butterfly Canyon 1036 Comment
  JEPS16775  Symphyotrichum spathulatum Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4347 Plumas about 2 mi e, along road from Greenville to Indian Agency Greenville; Indian Valley 1005 Comment
  JEPS120548  Symphyotrichum spathulatum var. intermedium L. P. Janeway 2012-8-28 11053 Plumas Northern High Sierra Nevada. meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. Comment
  CHSC92124  Symphyotrichum spathulatum var. spathulatum Lowell Ahart; John Dittes 2005-9-19 12415 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  CAS-BOT-BC376843  Tanacetum vulgare M. S. Taylor 1982-7-22 4910 Plumas Along 24N27Y on s side of Meadow Valley Creek, ca. 1/4 mi e of Schneider Creek Rd (24N16), ca. 1/4 mi s of Meadow Valley 1158 Comment
  UCD97464  Taraxacum officinale Albert Grigarick 2010-5-11 247 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.7 mi. 1490 Comment
  CAS-BOT-BC376960  Taraxacum officinale John Thomas Howell 1978-4-19 52859 Plumas Eastern part of Quincy 1036 Comment
  UCD107050  Taraxia subacaulis Kim Nixon 1977-5-29 45 Plumas 7.2 miles east of Doyle on Greeno Rd., then 0.2 miles north on Bird Creek Rd. 1950 Comment
  CHSC1161  Taraxia tanacetifolia M. Garbutt 1935-6-2 Plumas Comment
  SEINET5345398  Taraxia tanacetifolia W. Harnach, N. Harnach 1989-6-17 143 Plumas Sierra Valley, Marble Lane 1487 Comment
  UC455439  Taraxia tanacetifolia Katharine Brandegee 1911-7-30 Plumas Portola Comment
  JEPS48547  Tellima grandiflora John Warren Duffield 1937-6-5 Plumas se of Meadow Valley (Rock Creek, sw Plumas County); Bucks Lake Quad. Comment
  CAS-BOT-BC329078  Tetradymia canescens Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3482 Plumas At the eastern end of Sierra Valley, 0.5 miles west of Chilcoot 1554 Comment
  UC1070341  Tetradymia canescens C. W. Hanks 1934-8-16 54 Plumas Upper Long Valley Plumas National Forest, Sierraville Quad. 1737 Comment
  UC1070371  Tetradymia glabrata N. French 1934-11-16 561 Plumas 8 mi s Beckwith; Sierraville Quad. 1493 Comment
  CHSC108461  Thalictrum fendleri Lowell Ahart 2011-9-20 17680 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  SD8179  Thalictrum fendleri var. polycarpum Mrs. R. M. Austin 1880-1 Plumas Humbug Valley Comment
  CAS-BOT-BC88046  Thelypodium crispum W. Harnach; N. Harnach 1990-6-16 395 Plumas Sierra Valley. Hindoo Ranch. 1490 Comment
  CAS-BOT-BC77709  Thelypteris nevadensis Mrs. R. M. Austin 1896-9-1 3501 Plumas Quincy Comment
  CHSC37009  Thelypteris nevadensis M. S. Taylor 1982-8-23 5036 Plumas On s side of Feather River, ca. 1/4 mi w of Twain. 853 Comment