Search Results — 2000 specimen records retrieved (1453 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY29141  Abies concolor H. E. Brown 1897-8-1 671 - Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA232720  Abies concolor Larry E. DeBuhr, Gary Wallace 1972-5-21 602 Plumas Plumas National Forest, along Highway 89 by west shore of Lake Almanor. 1402 Comment
  UCD134161  Abies concolor John M. Tucker 1948-7-24 1732 Plumas Ca. 1/2 mi. northeast of Camel Peak. Comment
  CAS-BOT-BC78096  Abies magnifica Alice Eastwood 1927-6-15 14602 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CAS-BOT-BC78098  Abies magnifica M. B. Kildale 1926-9-11 2758 Plumas Juniper Lake, Lassen National Park 2054 Comment
  UC1402306  Abies magnifica R. A. Cockrell 1937-8-5 8328 Plumas Meadow Valley 1981 Comment
  JEPS104253  Abies magnifica var. magnifica Lowell Ahart 2003-10-15 10633 Plumas Ca 60 yd s of road to Tamarack Flat, on s side of a very small branch of Fall River, ca 1/8 mi w of 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
  JEPS48811  Acer glabrum John Warren Duffield 1937-7-18 Plumas Schneider Creek Schneider Creek (sw Plumas Co) Comment
  LA204379  Acer glabrum J. A. Ewan; 1934-7-17 8535 Plumas Mt. Elwell, broken country, small clump at foot of low falls along stream. vic. Bear Lake 1981 Comment
  CAS-BOT-BC330956  Acer glabrum var. glabrum Lewis S. Rose 1969-6-23 69042 Plumas 8 mi SW of Quincy, La Porte Road 1310 Comment
  UC1071612  Acer glabrum var. glabrum G. T. Nordstrom 1934-7-9 197 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC54312  Acer glabrum var. torreyi Vernon Oswald; Lowell Ahart 1991-6-18 4692 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. 1920 Comment
  RSA60019  Acer glabrum var. torreyi E. K. Balls 1950-9-1 15594 Plumas East of Long Lake, by trail going south around lake 2134 Comment
  SEINET10873949  Acer glabrum var. torreyi Mary Susan Taylor 1981-9-10 Taylor 4271 a Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  CHSC99831  Achillea millefolium Lowell Ahart 2008-8-13 15181 Plumas 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 LaPorte. 1613 Comment
  CDA13378  Achnatherum lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13226 Plumas Sierra Nevada; Dry open, +- disturbed sandy site near old log landing on USFS 23N12E. Upper Bull Run Creek, about 1/4 mile below headwater springs. Perennial, bunching. Habitat a dense coniferous forest, dominated by Abies concolor, Pinus jeffreyi, Calodedrus. Comment
  CDA14047  Achnatherum lemmonii G. F. Hrusa, T. D. Wilfred 1996-8-1 13419 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  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
  CDA18575  Achnatherum lemmonii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3305 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CDA26553  Achnatherum lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13494 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  UC174590  Achnatherum lemmonii A. A. Heller with P. B. Kennedy 1907-7-3 8712 Plumas hills above Red Clover Valley Comment
  CHSC97109  Achnatherum nelsonii subsp. dorei Lowell Ahart; Josephine Guardino 2007-7-20 14341 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 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
  CDA14146  Achnatherum occidentale subsp. californicum G. F. Hrusa 1997-5-3 13836 Plumas Sierra Nevada; Occasional +- bunching perennial in dry, shrub-dominated areas near summit of hill on E side of Rattlesnake Creek, 1/2 mi. S of Hwy 70, and approx. 15 mi. E of Quincy. Comment
  CAS-BOT-BC210929  Achnatherum occidentale subsp. pubescens John Thomas Howell 1961-6-21 36700 Plumas Greenville 1097 Comment
  SBBG22468  Acmispon americanus C. B. Hardham 1961-6-15 7403 Plumas Graeagle Comment
  CAS-BOT-BC391475  Aconitum columbianum subsp. columbianum B. C. Cain 1925-8-24 98 Plumas 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  UCD19138  Aconogonon phytolaccifolium W. B. McHenry 1990-8-7 s.n. Plumas Bucks Lake. 1584 Comment
  CAS-BOT-BC418805  Aconogonon phytolaccifolium Clarence R. Quick 1953-8-8 53 -114 Plumas South of Meadow Valley 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-BC29839  Adenocaulon bicolor John Thomas Howell 1926-7-27 2149 Plumas Near Prattville 1463 Comment
  JEPS104636  Adenocaulon bicolor Lowell Ahart 2003-8-5 10470 Plumas On the e side of Hopkins Creek, on the w side of the road, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain. 1524 Comment
  CHSC100139  Adiantum aleuticum L. P. Janeway; B. Castro 2008-9-13 9591 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. Rocky bouldery north-facing dry drainage above the road. 1649 Comment
  CHSC97803  Adiantum aleuticum L. P. Janeway 2007-8-12 9166 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1652 Comment
  SEINET5338312  Adiantum pedatum M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls above Johnsville on Jamison Creek. 1859 Comment
  CDA40750  Agastache urticifolia L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11161 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CAS-BOT-BC29599  Agoseris X dasycarpa Ben Beard; J. D. Schoeller 1928-5-28 400 Plumas Plumas National Forest, 1 mi SE Plinco Mine Last Chance 1676 Comment
  RSA726446  Agoseris glauca var. monticola L. Ahart, John Dittes 2007-6-17 14167 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  CHSC92115  Agoseris grandiflora Lowell Ahart; John Dittes 2005-9-19 12421 Plumas On damp disturbed soil, 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
  RSA716688  Agoseris grandiflora L. Ahart, John Dittes 2005-9-19 12421 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  CAS-BOT-BC13249  Agoseris monticola Thomas H. Kearney 1944-8-14 171 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC13439  Agoseris retrorsa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity, between valley proper and Darlingtonia bog. 1066 Comment
  CDA17229  Agoseris retrorsa G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16332 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
  SEINET12854659  Agropyron elongatum W. Harnach, N. Harnach 1991-6-29 592 Plumas Sierra Valley, 4 miles N of Loyalton, on County Road A-24 (6 Mile Road). 1490 Comment
  SEINET12911692  Agropyron trachycaulum var. trachycaulum C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded on N by alley, S by Quincy Street, E by Willow Street, W by Rock Street). 1484 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
  JEPS102724  Agrostis exarata Lowell Ahart 2001-10-16 9384 Plumas On a bank on the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1365 Comment
  SD71007  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park, wet meadow, Drakesbad. 1676 Comment
  UC485762  Agrostis exarata H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCR123521  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6865 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CAS-BOT-BC139606  Agrostis gigantea Walter Knight 1966-7-28 1445 Plumas Butterfly Botanical Area and Vicinity. Near bed of Spanish Creek adjacent to confluence of Butterfly Creek. 883 Comment
  CAS-BOT-BC139610  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1531 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC139619  Agrostis gigantea W. R. Dudley 1909-8-26 s.n. Plumas Sierra Valley. East of Hot Springs. Comment
  CAS-BOT-BC138713  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  RSA129685  Agrostis scabra H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  CHSC94992  Aira caryophyllea Lowell Ahart 2006-10-23 13494 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC466611  Allium campanulatum L. P. Janeway 1990-6-12 3713 Plumas Rattlesnake Creek, just N of Long Valley; along road 508 ca. 1.1 mi N of Hwy 70/89 1432 Comment
  CHSC41183  Allium obtusum var. obtusum J. D. Jokerst 1984-5-14 2014 Plumas SW of Genesee Valley, S of Ward Cr. 1584 Comment
  CAS-BOT-BC474060  Allium parvum John Thomas Howell; R. C. Barneby 1954-5-14 29557 Plumas 2 miles east of Blairsden, Sierra Nevada 1493 Comment
  CAS-BOT-BC474089  Allium platycaule Robert J. Weatherby 1955-7-2 1568 Plumas Bear Ridge near Taylor Lake 2194 Comment
  CAS-BOT-BC474094  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  RSA641885  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  CAS-BOT-BC476721  Allium validum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2382 Plumas Butterfly Valley Comment
  CAS-BOT-BC26652  Allocarya ambigens Amos Arthur Heller; P. B. Kennedy 1907-7-2 8682 Plumas Between Vinton and Peckwith Comment
  CDA18452  Allophyllum integrifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3190 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
  JEPS113798  Allophyllum integrifolium Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14049 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 Comment
  SEINET10496948  Allophyllum violaceum Mary Susan Taylor 1982-6-11 Taylor 4639 Plumas T28N R7E nw/se sec 5. Chester quad. S side of Hwy 36, w side of Lake Almanor, ca. 0.5 mi e of Chester. 4500 ft. 1372 Comment
  CAS-BOT-BC171363  Alnus incana subsp. tenuifolia David D. Keck 1932-7-3 1652 Plumas Meadow S of Spanish Creek. Quincy. Northern Sierra Nevada 1065 Comment
  JEPS107975  Alnus incana subsp. tenuifolia Lowell Ahart, John Dittes 2005-9-19 12380 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  RSA263841  Alnus rhombifolia J. T. Howell, Gordon True 1969-6-23 45817 Plumas Middle Fork of Feather River at Nelson Point. 1250 Comment
  JEPS101230  Alopecurus aequalis var. aequalis Dean W. Taylor 2000-8-12 17576 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  SEINET10507148  Alopecurus geniculatus Mary Susan Taylor 1982-8-27 Taylor 5062 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  RSA128962  Amaranthus albus J. T. Howell 1951-8-20 s.n. Plumas Near Taylorsville Comment
  CAS-BOT-BC136775  Amelanchier utahensis W. R. Dudley 1909-8-29 s.n. Plumas Hot Springs, Sierra Valley Comment
  CAS-BOT-BC136791  Amelanchier utahensis Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC136800  Amelanchier utahensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS115222  Amelanchier utahensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16125 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS127335  Amelanchier utahensis Lowell Ahart 2016-7-9 21092 Plumas Top and on the east side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC174628  Amsinckia menziesii var. menziesii A. A. Heller with P. B. Kennedy 1907-7-15 8850 Plumas near mouth of Little Grizzly Creek below Genessee Comment
  UC725951  Amsinckia menziesii var. menziesii A. A. Heller 1941-5-22 16145 Plumas along roadside just beyond Spanish Creek (outside of Quincy on State Hwy #24) Comment
  SD9139  Anaphalis margaritacea R. M. Austin 1879-1 Plumas Big Meadows Comment
  SEINET11842082  Anaphalis margaritacea M. S. Taylor 1982-1 4951 Plumas T26N R8E ne/ne sec 4. Almanor NE quad. End of spur rd off Seneca Rd (306), at Salmon Cr., .. 1524 Comment
  CHSC63972  Anemone drummondii B. Castro; G. Kuenster 1994-6-30 519 Plumas Ca 0.1 mi SE of Grizzly Mtn (= Red Mtn on some maps), along either side of USFS Rd 23N69. 1911 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
  CDA38188  Angelica breweri T. C. Fuller 1957-9-16 396 -57 Plumas Virgilia. 0 Comment
  CHSC97065  Antennaria argentea Lowell Ahart; Josephine Guardino 2007-7-21 14376 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  RSA699253  Antennaria argentea L. Ahart, John Dittes, Josephine Guardino 2004-6-6 10996 Plumas On the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1518 Comment
  CAS-BOT-BC59306  Antennaria argentea H. F. Copeland 1920-7-12 106 Plumas Chaparral on Butt. Mt. 1828 Comment
  CAS-BOT-BC59308  Antennaria argentea W. W. Wagner 1919-5-18 254 Plumas Sockem Creek 1371 Comment
  CAS-BOT-BC59202  Antennaria dimorpha J. G. Lemmon 1889-5-30 s.n. Plumas Sierra Valley Comment
  CHSC57118  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  UC367133  Antennaria geyeri J. G. Lemmon and wife 1883-7-3 Plumas Indian Valley Comment
  CAS-BOT-BC86956  Antennaria pulchella Alice Eastwood 1912-8-22 1857 Plumas Foot of Lassen Butte Comment
  UCD128945  Antennaria rosea P. B. Kennedy 1907-7-3 8699 Plumas Red Clover Vlley. Comment
  RSA31215  Antennaria rosea Joseph A. Ewan 1934-7-16 8517 Plumas Warm granite of boulder pocket and shore, Long lake, Mt. Elwell region. 2073 Comment
  SEINET10473584  Anthemis cotula Mary Susan Taylor 1981-8-31 Taylor 4257 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
  CAS-BOT-BC84605  Anthemis cotula David D. Keck 1932-7-3 1683 Plumas Quincy 1065 Comment
  UCD128969  Anthemis tinctoria John Thomas Howell 1960-7-24 35995 Plumas Chester. 1371 Comment
  UCD56236  Anthoxanthum odoratum R. Tofsrud 1949-6-1 s.n. Plumas Vicinity of Quincy. Comment
  RSA371545  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas Hwy. 70, 0.3 miles NE of NE end of bridge at intersection of Pulga Road and Hwy. 70. 488 Comment
  CHSC87618  Aphyllon epigalium subsp. epigalium Lowell Ahart; Josephine Guardino 2004-5-24 10948 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  UC1123459  Apocynum androsaemifolium C. W. Hanks 1934-8-8 19 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., Sierra Valley Comment
  UC711905  Apocynum androsaemifolium Roxana S. Ferris and Laura Lorraine 1941-8-8 10417 Plumas 3 mi. from Greenville (on rd. to Lake Almanor) Comment
  SEINET7923486  Apocynum androsaemifolium A. A. Heller, B. B. Kennedy 1907-7-8 8766 Plumas Near Greenville Comment
  SEINET692084  Apocynum cannabinum Louis C. Wheeler 1959-7-15 7565 Plumas Middle Fork Feather River; McCarty Mine, McCarthy Bar Comment
  SEINET3157178  Apocynum cannabinum L. S. Rose 1939-6-8 39262 Plumas Twain 853 Comment
  JEPS109843  Arabis constancei Dean W. Taylor 2004-5-26 19075 Plumas County Road 204 ca. 2 miles west from Round Valley (site) 1539 Comment
  SEINET5340123  Arabis constancei J. Robertson, Y. M. Robertson 1983-6-9 s.n. Plumas Plumas National Forest. Along old roads near Clear Creek N & E of mine pit - E of Clear Creek. 1512 Comment
  JEPS102355  Arabis glabra var. glabra Lowell Ahart 2001-7-19 8940 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 Comment
  RSA0126329  Arabis hirsuta var. glabrata E. K. Balls 1950-9-15 15826 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  CDA24667  Arabis subpinnatifida G. D. Barbe 1982-6-9 3654 Plumas Southwest and below Thompson Peak, overlooking Honey Lake Valley. Plumas National Forest. Comment
  CHSC34297  Aralia californica M. S. Taylor 1981-7-26 4118 Plumas Banks of Feather River on Caribou Rd, 3.5 mi ne of its jct with Hwy 70 near Beldon. 822 Comment
  CAS-BOT-BC171677  Aralia californica John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54290 Plumas Moist seepage are on China Grade, 1.4 miles south of Taylorville, Sierra Nevada 1402 Comment
  SEINET2471226  Arceuthobium abietinum R. L. Mathiasen 2007-8-8 2007 -31 Plumas Ca. 1.6 km E. of Grizzly Summit on forest road 414 1700 Comment
  CAS-BOT-BC407713  Arceuthobium abietinum C. R. Quick 1953-8-1 53 -76 Plumas west of Lake Almanor Comment
  CHSC101920  Arceuthobium californicum Lowell Ahart; John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  SEINET3239908  Arceuthobium californicum R. L. Mathiasen 2010-1 1014 Plumas 0.8 km from rd. to Bucks Lake on rd. to Silver Lake. 1250 Comment
  JEPS123950  Arceuthobium campylopodum subsp. abietinum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  SEINET2471364  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-22 2007 -61 Plumas S. end of Long Lake 2020 Comment
  CHSC118702  Arctostaphylos mewukka subsp. mewukka Wendy L. Boes 2016-8-21 2016037 Plumas Plumas National Forest. Located on ridge between Yellow Creek and the North Fork of the Feather River along Forest Road 26N26. UTM 650359 E, 4435221 N, NAD 83 Zone 10 North. 1484 Comment
  CAS-BOT-BC38481  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC38483  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-22 51358 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC38615  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34779 Plumas N. Fork Feather River near Belden 701 Comment
  CAS-BOT-BC38624  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight 1967-5-7 2592 Plumas From Injun Jim Campground on North Fork Feather River 609 Comment
  CAS-BOT-BC40010  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC40012  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Side of Mt. Elwell, Lakes Basin area. 2194 Comment
  RSA101441  Arctostaphylos nevadensis R. Weatherby 1955-6-22 1538 Plumas Spanish Peak. 2134 Comment
  CAS-BOT-BC42108  Arctostaphylos patula John Thomas Howell 1960-7-20 35779 Plumas Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  UC566007  Arctostaphylos patula E. Nourse 1934-9-4 29 Plumas E. Clermont Mountain Downieville Quadrangle 2133 Comment
  UC566971  Arctostaphylos patula C. G. Albertus 1935-7-22 222 Plumas 3 3/4 mi sw Lovejoys; Downieville Quadrangle 1767 Comment
  UCD53310  Arctostaphylos patula John Thomas Howell 1976-4-2 51579 Plumas Spring Garden. 1219 Comment
  CAS-BOT-BC42089  Arctostaphylos patula John Thomas Howell 1976-4-2 51580 Plumas Near Spring Garden 1219 Comment
  CAS-BOT-BC27299  Arctostaphylos truei W. Knight; Irja Knight 1968-3-7 2593 Plumas From Injun Jim Campground on North Fork Feather River 609 Comment
  RSA634255B  Arctostaphylos truei Walter Knight, Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  UCD52644  Arctostaphylos viscida John Thomas Howell 1959-9-21 34776 Plumas North Fork Feather River near Belden 701 Comment
  CAS-BOT-BC47027  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. 944 Comment
  CAS-BOT-BC47074  Arctostaphylos viscida subsp. viscida John Thomas Howell 1959-9-21 34776 Plumas N. fork Feather River near Belden. 701 Comment
  RSA364254  Arctostaphylos viscida subsp. viscida Walter Knight, Irja Knight, B. K. Knight 1986-2-6 5220 Plumas Between bridge over north fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CHSC91921  Arenaria aculeata L. P. Janeway 2005-7-30 8501 Plumas Northern High Sierra Nevada. Southernmost end of Diamond Mountains about 4.5 km north of Beckwourth Pass; along Road 23N67 1.9 km from Road 24N88. 1725 Comment
  NY572182  Arenaria congesta var. congesta S. L. Welsh 2001-6-14 28144 Plumas Ca. 5 miles south of Milford 1791.9 Comment
  CHSC82499  Arenaria kingii var. glabrescens Lowell Ahart 2002-6-26 9781 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CHSC101854  Arenaria serpyllifolia subsp. serpyllifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15885 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CAS-BOT-BC82087  Arnica M. S. Taylor 1981-7-22 4105 Plumas On w side of Pine Creek Valley, ca. 1.5 mi n of Argentine Rock Lookout, ca. 6 air mi n of Spring Garden 2194 Comment
  CAS-BOT-BC82226  Arnica chamissonis Clare B. Hardham 1978-8-11 21760 Plumas southeast of Thompson Peak Comment
  SEINET3085704 Image available Arnica chamissonis F. W. Peirson 1926-6-21 6793 Plumas Along shore of Lake Almanor. Comment
  RSA312503  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, S. Galen Smith 1949-8-18 1396 Plumas Last Chance Creek, about 2 miles north of lake Almanor, near Chester Comment
  CAS-BOT-BC82356  Arnica cordifolia L. P. Janeway 1992-5-12 4167 Plumas North side of Lake Davis and Rd 112, ca 6 1/2 mi northwest of the road to the dam. Grizzley Valley quad 1780 Comment
  CAS-BOT-BC82358  Arnica cordifolia Anna Head 1921-7-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CAS-BOT-BC295856  Arnica dealbata Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  UC1070451  Arnica dealbata A. Lewis 1934-7-25 520 Plumas La Porte Plumas National Forest, Downieville Quad. 1524 Comment
  JEPS107607  Arnica discoidea Lowell Ahart, Josephine Guardino 2005-8-10 12305 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
  SD8796  Arnica discoidea Mrs. R. M. Austin 1880-1 Plumas Plumas Co. Comment
  CAS-BOT-BC82496  Arnica discoidea Emily McPherson 1975-8-31 75- 73 -8 Plumas Ridge above Round Lake that extends toward Mt. Elwell, Lakes Basin 1981 Comment
  CAS-BOT-BC82685  Arnica longifolia Lloyd W. Swift 1932-8-3 72 Plumas Head Nelson Creek, Plumas National Forest 1828 Comment
  UCD107452  Arnica mollis Tim Kuhn 2006-6-30 23 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC90055  Arnica nevadensis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-21 Plumas Near Silver Lake campground, Trail to Mt. Elwell, Lakes Basin 2011 Comment
  CDA1732  Arrhenatherum elatius L. P. Janeway 1996-6-2 5026 Plumas Northern High Sierra Nevada; Along Road 25N17 (road from Virgilia to Meadow Valley) 0.3 mi from Road 25N20, in total 1.9 mi from railroad crossing and East Branch North Fork Feather River. Comment
  CHSC94863  Artemisia cana subsp. bolanderi Lowell Ahart 2006-9-21 13339 Plumas On both sides of the dirt road, about 50 yards south of the railroad tracks, about 100 yards west of Beckwourth Calpine Road, about 3/4 mile (air) southwest of Beckwourth, Sierra Valley. 1483 Comment
  CAS-BOT-BC90411  Artemisia douglasiana John Thomas Howell 1961-9-23 36865 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC90413  Artemisia douglasiana John Thomas Howell 1977-8-11 52677 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CAS-BOT-BC93477  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34970 Plumas Sierra Nevada - Beckworth 1487 Comment
  CAS-BOT-BC400765  Asarum lemmonii Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC54314  Asclepias cordifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4682 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park Comment
  CHSC107925  Aspidotis densa L. P. Janeway 2011-7-6 10502 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. Especially around low outcrops and rocky slope. 1721 Comment
  UC1440101  Aspidotis densa C. D. MacNeill 1978-7-7 Plumas 4 air mi nne Belden (near Queen Lily Campground); N Fork Feather River 792 Comment
  CAS-BOT-BC97461  Aster Clare B. Hardham 1986-8-9 30406 Plumas shores of Snake Lake, Meadow Valley - Virgilia Road Comment
  CAS-BOT-BC97463  Aster W. Harnach; N. Harnach 1990-6-13 368 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  RSA471585  Aster breweri L. S. Rose 1932-9-5 32618 Plumas Jamison Lake 1890 Comment
  RSA796051  Aster breweri L. Ahart 2011-9-20 17678 Plumas Along the poor dirt road on the north side of Pilot Peak, about 9 air miles northeast of La Porte. 2073 Comment
  CDA10244  Aster eatonii J. S. Buckett Oct 1959 Plumas ? Nelson Creek Area? ca. 10 miles west of Johnsville. 0 Comment
  RSA59248  Aster eatonii E. K. Balls 1950-8-31 15537 Plumas Hwy. 24, 0.5 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  RSA715687  Aster integrifolius L. Ahart, Josephine Guardino 2005-8-9 12257 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
  RSA769813  Aster occidentalis var. occidentalis L. Ahart 2008-9-10 15384 Plumas Bottom of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 0.5 miles east of the Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1917 Comment
  RSA59335  Aster occidentalis var. occidentalis E. K. Balls 1950-9-11 15781 Plumas Lakes Center Public Campground, west of stream, opposite lodges. 2043 Comment
  RSA286285  Aster oregonensis subsp. californicus R. F. Thorne 1974-7-30 45006 Plumas Plumas National Forest, Butterfly Valley Botanical Area. Boggy meadow W of Mill Pond. 1159 Comment
  CHSC75448  Aster radulinus G. F. Hrusa; T. D. Wilfred 1996-8-2 13456 Plumas Sierra Nevada. At bottom of old skid trail at terminus of USFS 23N22D. 1630 Comment
  RSA715589  Aster radulinus L. P. Janeway 1994-8-24 4748 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground 1299 Comment
  CHSC55490  Astragalus bolanderi L. P. Janeway 1984-7-15 922 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  CAS-BOT-BC177553  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanisih Peak 2103 Comment
  CHSC60534  Astragalus lentiformis L. P. Janeway 1992-5-14 4185 Plumas Plumas National Forest. Northeast side of Dotta Canyon 1.2 mi northwest of Dotta Neck along road (24N23) on northeast side of the canyon. 1706 Comment
  JEPS109858  Astragalus lentiformis Dean W. Taylor 2006-5-27 19533 Plumas Frenchman Lake; hillslopes north of Frenchman Creek 1 mile west of junction of Frenchman Lake Road and Forest Road 01, Plumas National Forest 1706 Comment
  UC862838  Astragalus lentiformis Alice Eastwood 1918-5-25 7021 Plumas Portola Comment
  CHSC52411  Astragalus lentiginosus var. lentiginosus L. P. Janeway 1989-6-30 3422 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) 5.7 mi N of Beckwourth, almost to Crocker Mdw. 1767 Comment
  RSA795985  Astragalus pulsiferae James R. Shevock 1985-5-19 11161 Plumas Plumas National Forest, 5.1 miles north of Chilcoot on road to Frenchman Reservoir. 1700 Comment
  CAS-BOT-BC192949  Astragalus purshii var. purshii John Thomas Howell 1962-6-19 37846 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CHSC60537  Astragalus purshii var. tinctus L. P. Janeway 1992-5-14 4183 Plumas Plumas National Forest. North side of Dotta Neck in Dotta Canyon along road on northeast side of canyon. 1712 Comment
  CHSC118710  Astragalus whitneyi var. whitneyi Chelsea Morgan; Wendy Boes 2016-6-3 2016002 B Plumas Lassen National Forest. Located in the Diamond Mountains on ridgeline to east of Willard Creek just south of Forest Road 29N02. UTM 689524 E, 4465410 N, NAD 83 Zone 10 North. 1958 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  OBI20945  Asyneuma prenanthoides Lewis S. Rose 1966-7-26 66049 Plumas Butterfly Valley; 3 mi W of Keddie 1067 Comment
  CAS-BOT-BC69530  Athyrium alpestre subsp. americanum Anna Head 1921-1-1 s.n. Plumas Feather River Region. Comment
  RSA59680  Athyrium filix-femina subsp. cyclosorum E. K. Balls 1950-9-9 15749 Plumas West of Lakes Center Public Camp, by creek running into south end of small lake. 2043 Comment
  JEPS120167  Athyrium filix-femina var. cyclosorum Lowell Ahart 2012-9-5 18450 Plumas Along the south side of the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. Comment
  CDA23331  Atriplex truncata J. T. Howell 1959-9-25 35017 Plumas Sierra Nevada; 5 miles east of Beckwourth, Sierra Valley. Comment
  CHSC89311  Balsamorhiza deltoidea G. Douglas Barbe; T. C. Fuller 1982-6-15 3707 Plumas Sierra Nevada Foothills. 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1554 Comment
  POM222846  Balsamorhiza hookeri M. Canby 1929-5-12 160 Plumas 15 miles W of Portola Comment
  UCD97462  Balsamorhiza macrolepis Albert Grigarick 2010-5-11 246 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 0.5 mi. 1483 Comment
  CDA14124  Balsamorhiza sagittata G. F. Hrusa 1997-5-3 13814 Plumas Sierra Nevada; W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. Comment
  SEINET7239868 Image available Balsamorhiza sagittata A. Kowal, M. Ferguson, A. Onisko 2011-7-25 NV 030 -574 Plumas Great Basin, Grizzly Creek Ranch, on the Forested Hills side of the Meadow 1522 Comment
  UC1126820  Barbarea orthoceras E. Sawyer 1935-7-1 265 Plumas 0.5 mi s Chases; Plumas National Forest, Downieville Quad. 1676 Comment
  CAS-BOT-BC145807  Beckmannia syzigachne John Thomas Howell 1962-6-18 37747 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC145808  Beckmannia syzigachne C. Etienne 1969-7-26 293 Plumas Off Middle Fork of Feather River. Highway 89 near Graegle next of Feather River Park Resort entrance. 1280 Comment
  RSA90036  Bidens cernua E. K. Balls 1953-7-9 18353 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  SEINET10473665  Bidens frondosa Mary Susan Taylor 1981-9-3 Taylor 4268 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  CDA12087  Blepharipappus scaber G. F. Hrusa, G. L. Webster 1989-5-1 7022 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  CAS-BOT-BC128025  Blepharipappus scaber H. M. Hall; E. B. Babcock 1903-7-1 4465 Plumas Sierra Valley Comment
  CAS-BOT-BC16866  Boechera Catherine Best 1979-6-14 s.n. Plumas Sierra Nevada. Eureka Park, 1 mile east of river on main road. Comment
  CAS-BOT-BC16868  Boechera Lowell Ahart 1979-8-4 s.n. Plumas About 1 mile north of Pilot Peak.Near Dixon Creek. 1700 Comment
  CAS-BOT-BC16885  Boechera F. Thos. Griggs 1975-1-1 173 Plumas Sierra Nevada. Bucks Lake area. 1463 Comment
  CAS-BOT-BC16137  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CHSC35903  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas S side of 27N92, ca. 1.5 air mi se of Canyon Dam. 1524 Comment
  CAS-BOT-BC14104  Boechera pauciflora Arthur Chan 1981-5-15 064 Plumas 1.7 mile north of 89 along highway 49. 1828 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
  UCSB63711  Boechera pinetorum Jokerst, James 1987-5-28 Plumas Ward Creek Canyon; southwest of creek; T25N R11E center S1/2 Sect. 23 1463 Comment
  CHSC21724  Boechera platysperma F. T. Griggs; A. Pass 1975-7-23 243 Plumas Cape Lake. Comment
  JEPS103317  Boechera platysperma John Dittes and Josephine Guardino 2002-7-2 Plumas 9 air mi NW of La Porte (Hartman Bar Ridge, N of Forest Road 22N94, 1 air mi SW of Franklin Hill, 4 1/2 air mi NW of Tamarack Flat) 1584 Comment
  CAS-BOT-BC14657  Boechera rectissima John Thomas Howell; Gordon H. True 1973-7-31 50081 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak. 2362 Comment
  CAS-BOT-BC16274  Boechera rectissima Walter Knight; Irja Knight 1969-6-24 2438 Plumas The Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  UCSB27408  Boechera rectissima Kunze, G. 1971-6-6 Plumas California 89; 5 miles south of Canyon Dam 1158 Comment
  CAS-BOT-BC14724  Boechera repanda Lowell Ahart 1975-7-20 s.n. Plumas Sierra Nevada. Near Bunker Hill Mine. 1828 Comment
  SEINET12627101 Image available Boechera retrofracta Martin Schilling 2013-1 MS 195 Plumas On road from Chilcoot to Frenchman Lake, 0.25 mi after 2nd bridge, 0.85 air mi to Frenchmsn Dam, on both sides of the road, NE-facing slope 1660 Comment
  CAS-BOT-BC25591  Boechera retrofracta John Thomas Howell; Gordon H. True 1973-7-31 50115 Plumas Sierra Nevada. Diamond Range. Summit range of Thompson Peak. 2194 Comment
  CAS-BOT-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 Comment
  CHSC118708  Boechera retrofracta Chelsea Morgan; Wendy L. Boes, Jim Battagin 2015-5-12 2015001 Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  UC118081  Boechera sparsiflora Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC725568  Boechera subpinnatifida A. A. Heller 1942-5-8 16462 Plumas e of Beckwourth 1524 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
  RSA252382  Boisduvalia densiflora var. densiflora Robert F. Thorne, C. W. Tilforth 1969-9-6 39233 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  RSA233764  Boisduvalia glabella Robert F. Thorne, C. W. Tilforth 1969-9-6 39244 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  RSA59759  Boisduvalia stricta E. K. Balls 1950-9-14 15807 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET5323260  Botrychium multifidum J. T. Howell 1963-6-3 39397 Plumas Butterfly Valley. 1036 Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  CHSC82552  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas Meadow, about 100 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest 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
  CHSC82557  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  JEPS114952  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 Port 1744 Comment
  JEPS99045  Botrychium simplex var. compositum Lowell Ahart, John Dittes, Josephine Guardino 2002-7-2 9796 Plumas 1 mi SE of Tamarack Flat (5 air mi NW of La Porte); Lumpkin Ridge Road 1723 Comment
  CDA11930  Boykinia major G. F. Hrusa, J. Dinsdale 1989-6-27 7222 Plumas Sierra Nevada; Tributary entering Bucks Lake at N end. 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
  CHSC61414  Brasenia schreberi Vernon H. Oswald; Lowell Ahart 1993-8-11 5782 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  CAS-BOT-BC106232  Brickellia californica John Thomas Howell 1959-9-21 34774 Plumas Dry rocky river bench, N. Fk. Feather River near Belden 701 Comment
  JEPS28594  Brickellia greenei George W. Gillett 1957-7-13 756 Plumas along direct route to the Devils Kitchen (slope below Sifford Lakes, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 Comment
  UC1075728  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS 1066 Comment
  CAS-BOT-BC149493  Bromus arvensis Fred Sommers; Greg Sommers 1976-7-15 175 Plumas Sierra Nevada. Sierra Valley Marsh, along Marble Lane near Hot Springs. 1487 Comment
  UCD59197  Bromus carinatus var. marginatus L. S. Smith 1916-7-21 716 Plumas Sierras. Sardin Lookout Station. 2286 Comment
  CDA13758  Bromus ciliatus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13490 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E on uppermost ridge. Comment
  CHSC88194  Bromus ciliatus Lowell Ahart 2004-7-27 11314 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  UCD58433  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET10514492  Bromus commutatus Mary Susan Taylor 1982-6-28 Taylor 4774 A Plumas Portola quad. Ramelli Ranch, between Calpine Rd (109) and cow pasture, in Sagebrush Scrub drainages, ca. 1 mi W of Beckwourth. T23N R14E NW1/4NEX3/4 1487 Comment
  CAS-BOT-BC155315  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43377 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  UCD144321  Bromus inermis G. F. Hrusa; T. D. Wilfred 1996-8-1 13417 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1900 Comment
  JEPS113830  Bromus inermis subsp. inermis Lowell Ahart, John Dittes 2007-6-17 14190 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC162155  Bromus orcuttianus John Thomas Howell 1973-7-9 49722 Plumas Sierra Nevada. Round Valley. 1371 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
  CHSC91915  Bromus orcuttianus Lowell Ahart; Josephine Guardino 2005-8-9 12268 Plumas Meadow near forest edge, north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS107633  Bromus orcuttianus Lowell Ahart, Josephine Guardino 2005-8-9 12268 Plumas Meadow near forest edge, north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA184943  Bromus orcuttianus L. S. Rose 1966-7-27 66060 Plumas Butterfly Valley, 3 mi. w. of Keddie 1067 Comment
  SACT000624  Bromus orcuttianus H. Skidmore 1934-6-5 Plumas 2011.0 Comment
  SBBG115913  Bromus orcuttianus J. T. Howell 1975-7-22 51363 Plumas ca. 2 mi NW of Spring Garden 1173 Comment
  SJSU5731  Bromus orcuttianus Lewis S. Rose 1967-7-10 67152 Plumas Butterfly Valley 3 mi W of Keddie 1097 Comment
  CAS-BOT-BC161352  Bromus tectorum John Thomas Howell 1955-7-19 30755 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC161361  Bromus tectorum Clarence R. Quick 1941-6-10 41 -30 Plumas Just south of Lake Almanor. Comment
  CHSC55636  Bromus tectorum K. R. Stern 1985-6-25 8294 Plumas Vicinity of Blairsden. 1402 Comment
  RSA641467  Bromus tectorum Michael A. Vincent 1999-6-8 8569 Plumas Plumas National Norest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. T25N R14E sect. 27. Comment
  CHSC117315  Bromus vulgaris L. P. Janeway 2016-8-10 12150 Plumas Northern High Sierra Nevada. Plumas National Forest; about 100 m south of Gibsonville-Johnsville Road on east side of Continental Ravine (a tributary of West Branch Nelson Creek). 1830 Comment
  JEPS102744 Image available Bromus vulgaris Lowell Ahart 2001-7-19 8949 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  UCD57215  Calamagrostis canadensis August L. Hormay Date Unknown s.n. Plumas Quincy. Comment
  CHSC114408  Calamagrostis stricta subsp. inexpansa Don Lepley 2014-9-26 Plumas Lassen National Forest; Almanor Ranger District. Along Rock Creek, about 1/4 mile below crossing of Road 29N55. 1743 Comment
  SEINET10469582  Calochortus coeruleus Mary Susan Taylor 1982-5-26 Taylor 4537 Plumas T23N R10E nw/nw sec 12. Spring Garden quad. Both sides of Fells Creek Rd - 23N22, 4.0 mi w of Lee Summit, ca. 2 air mi sw of Sloat. 4400 ft. Mixed Coniferous Forest. 1341 Comment
  CHSC64481  Calochortus leichtlinii B. Castro; G. Kuenster 1994-6-30 521 Plumas Ca. 0.1 mi SE of Grizzly Mtn (=Red Mtn on some maps), in grassy areas within serpentine outcrop on N side of USFS Rd 23N69. 1911 Comment
  JEPS61668  Calochortus leichtlinii Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2072 Comment
  UC1134470  Calochortus leichtlinii G. T. Nordstrom 1934-7-3 184 Plumas 0.75 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar 1676 Comment
  UCD139521  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC490275  Calochortus leichtlinii Lowell Ahart 1979-7-18 s.n. Plumas 1 mi W of Pilot Pk., S of Onion Valley Re. 1800 Comment
  RSA537550  Calochortus leichtlinii Barbara Ertter, Gary Schoolcraft 1989-7-3 8660 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  RSA125133  Calochortus monophyllus E. F. Sprague 1957-5-30 0 .229 Plumas 10 miles southwest of Viola on Manton Road 610 Comment
  CDA18491  Calochortus nudus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3363 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road. 1645 Comment
  CHSC98577  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountain, near Road 23N69 1.1 km northwest of Road 18. Rocky serpentine/gabbroic soil. 1884 Comment
  CAS-BOT-BC493422  Calochortus nudus G. D. Barbe; T. C. Fuller; John Thomas Howell 1981-6-23 54161 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  JEPS61702  Calochortus nudus Esther C. Fritz 1933-6-28 Plumas near Rock Creek 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
  UC1382127  Calycadenia truncata L. Constance and Tsan-Iang Chuang 1969-7-11 3873 Plumas 8.6 mi sw Arch Rock Tunnel; North Fork of Feather River Comment
  CAS-BOT-BC271528  Calycadenia truncata subsp. truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi. e. of Clio 1706 Comment
  CDA18485  Calyptridium umbellatum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3371 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  JEPS52528  Calyptridium umbellatum R. H. Platt 1891-1 Plumas The Sierras Comment
  UC501531  Calyptridium umbellatum Frank W. Peirson 1926-6-21 6791 Plumas Lake Almanor, n shore Lake Almanor Comment
  UCR3604  Calystegia occidentalis Wm. Horn Jr. 1963-7-14 630714 10 Plumas Northern Sierra Nevada Mtns, Meadow Valley, 120-130 yards south of Bucks Lake Road, 1 mi west of Meadow Valley Store at edge of clearing 1159 Comment
  CDA18586  Calystegia occidentalis subsp. occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3284 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  UCD138369  Camassia quamash subsp. breviflora Leslie Goldberg 1992-5-17 8 Plumas Portola, field along Grizzly Road. 1828 Comment
  UCD103267  Camissonia contorta A. A. Beetle 1941-6-28 2892 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC160850  Camissonia tanacetifolia subsp. quadriperforata Lewis S. Rose 1934-7-23 34411 Plumas Chilcoot, Sierra Valley 1522 Comment
  RSA186588  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18415 Plumas Hwy 49, 2.4 miles WNW of Sierraville Comment
  SEINET10453245  Camissonia tanacetifolia subsp. tanacetifolia Mary Susan Taylor 1981-7-13 Taylor 3991 Plumas T25N R15E nw sec 1. Ferris Creek quad. Jct Last Chance Creek and 26N01 at its jct with 28N03 (101), 2 mi E of Jordan Flat, ca. 10 mi W of Doyle, ca. 2 mi NW of Meadow View. 5900 ft elev. 1798 Comment
  JEPS115228  Campanula prenanthoides Lowell Ahart, John Dittes 2009-7-15 16094 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  JEPS11845  Campanula prenanthoides John Thomas Howell 1926-7-31 2178 Plumas near Prattville 1463 Comment
  SEINET196206 Image available Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge. 1067 Comment
  SEINET10463008  Campanula prenanthoides Wheeler WHEELER s.n. Plumas Cascade Comment
  SEINET10463286  Campanula prenanthoides Reed 1941-7-31 Reed s.n. Plumas FOREST LODGE, DRY HILLSIDE 3500 Comment
  SEINET10905901  Campanula prenanthoides Willis L. Jepson 1929-7-29 Jepson 19274 Plumas Spring Hill Trail, Meadow Valley 1219 Comment
  SEINET10480717  Cardamine Mary Susan Taylor 1981-7-6 Taylor 3968 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  CAS-BOT-BC37306  Cardamine breweri John Thomas Howell 1967-6-23 42706 Plumas Sierra Nevada. Butterfly Valley. 1066 Comment
  CHSC36217  Cardamine nuttallii var. covilleana M. S. Taylor 1982-6-1 4580 Plumas Between spur rd and 27N92, nw of Goldstrip Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC81355  Cardamine oligosperma L. P. Janeway 1996-4-11 4954 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CAS-BOT-BC18366  Carex Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1674 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC18357  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54396 Plumas Sierra Nevada. 0.3 miles southwest of Bucks Summit on road to Bucks Lake. 1645 Comment
  CAS-BOT-BC17843  Carex amplifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1494 Plumas Butterfly Botanical Area and VIcinity. Fern Glen. 1097 Comment
  CHSC47007  Carex amplifolia L. P. Janeway 1989-7-21 3513 Plumas Plumas National Forest. At boxed-up spring at crossing of rd 25N85, 1.3 mi from rd 25N05, 2.1 mi NE of Beckwourth-Genesee Rd (rd 111) (and Red Clover Valley), 15.7 mi from Beckwourth. 1737 Comment
  CHSC64140  Carex amplifolia B. Castro; R. A. Schlising 1987-7-21 179 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of spring on unnamed E-trending tributary to Mohawk Ck. 1600 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
  CAS-BOT-BC17832  Carex amplifolia Clare B. Hardham 1986-8-9 30409 Plumas Sierra Nevada Mountains. Meadow Valley - Virilia Road. Swampy place in small stream dammed by road. Comment
  CAS-BOT-BC17841  Carex amplifolia John Thomas Howell 1951-6-28 27734 Plumas Between Eureka Lake and Johnsville. 1828 Comment
  CAS-BOT-BC17922  Carex angustata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CHSC47002  Carex angustata L. P. Janeway 1989-8-4 3554 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  JEPS117604  Carex angustata Lowell Ahart 2010-9-9 17143 Plumas Large colony around and under fir trees, 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
  CHSC53561  Carex athrostachya L. P. Janeway 1989-7-11 3475 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  UCD140144  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy. 1036 Comment
  SEINET10644701  Carex athrostachya Thomas H. Kearney Jr. 1944-8-14 Kearney 22 b Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC19133  Carex aurea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1669 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  JEPS95376  Carex aurea Lowell Ahart 1994-6-17 7347 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  POM81342  Carex aurea Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  JEPS28337  Carex aurea George W. Gillett 1957-7-13 753 -a Plumas across creek from Devil's Kitchen; Lassen Volcanic National Park 1859 Comment
  CHSC102599  Carex bolanderi L. P. Janeway; B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  CHSC68372  Carex brainerdii L. P. Janeway 1996-6-4 4985 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
  SEINET13344652  Carex brainerdii J. T. Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada, Injin Jim Campground [now James Lee Campground] at confluence of Granite Creek and North Fork of Feather River 610 Comment
  CHSC118774  Carex brainerdii Elizebeth Kramer 2015-5-20 2015 -005 Plumas Plumas National Forest. Southwest of Siilver Creek, north of Forest Service 24N29X, west of24N56, near Meadow Valley. (UTM 663727 E, 4422262 N, NAD83 Zone 10N.) Comment
  CHSC58856  Carex canescens Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5039 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  JEPS122286  Carex canescens subsp. canescens Lowell Ahart 2014-8-24 19733 Plumas Along a small stream that flows into the South Fork of the Feather River, on the west side of the stream, 10 yards west 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. Comment
  CHSC68374  Carex douglasii L. P. Janeway 1996-6-5 4994 Plumas Northwest corner of Sierra Valley, Ramelli Ranch; 400 ft south of Middle Fork Feather River and 300 ft west of road to Calpine. 1488 Comment
  CAS-BOT-BC20053  Carex echinata Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Monument. Northern border of swamp north of Willow Lake. 1661 Comment
  CAS-BOT-BC20117  Carex feta John Thomas Howell 1926-7-26 2132 Plumas Near Prattville. 1371 Comment
  CHSC69926  Carex feta L. P. Janeway 1997-5-29 5135 Plumas East Branch North Fork Feather River about 0.5 mi west of Soda Creek and 0.1 mi north of Hwy 70 along Road 25N21. 952 Comment
  CHSC55435  Carex fracta L. P. Janeway 1990-7-13 3797 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  RSA97923  Carex fracta J. T. Howell 1951-6-28 27650 Plumas Johnsville 1585 Comment
  CHSC99978  Carex geyeri L. P. Janeway; Matt Simenc 2008-9-10 9590 Plumas Northern High Sierra Nevada. Along the ridge between Washington Creek and Winters Creek; 1.0 km south of Middle Fork Feather River; 3/4 km north-northwest of Finger Board. 1564 Comment
  CDA33081  Carex gigas G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3124 Plumas 2.65 miles west of Round Valley Reservoir Dam. Comment
  JEPS28347  Carex hassei George W. Gillett 1957-7-19 847 Plumas rivulet near very large spring on trail to Sifford Lakes (above Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  HSC89353  Carex heteroneura L. P. Janeway 1989-7-12 3481 Plumas Along Jackson Creek, FS Rd. 23N11 2.3 mi. from Hwy. 70/89 then 2.2 mi. on FS Rd. 23N48 into Jackson Creek 1784 Comment
  CDA13855  Carex heteroneura var. heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-2 13457 Plumas Sierra Nevada; Volcanic slopes on E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CAS-BOT-BC28080  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Portola quad, ca 0.5 mi NE of Carman Saddle, 1.5 mi W of Beckwourth Peak, 1706 Comment
  CHSC99377  Carex infirminervia Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10534 Plumas Ca. 14 mi WSW of village of Almanor, down road from Humboldt Summit, at stream crossing by Humboldt Road (county route 308). On bank of stream. 1777 Comment
  SEINET7562361 Image available Carex infirminervia George W. Gillet 1957-7-13 748 Plumas Lassen Volcanic National Park. Near trip up the Flatiron from Drakesbad, near juncture of Devile Kitchen and Bench Lake trails. 1859 Comment
  UC942960  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  SEINET4292190 Image available Carex integra Unknown 1995-1 4873 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Road 22N72; about 0.3 mi south southeast of Table Mountain. Dogwood Peak quad. Comment
  JEPS106376  Carex jonesii Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along edges of small stream, in small meadow, on the N side of forest road, ca. 1/4 mi N of Taylor rock, ca. 1 mi (air) SW of Grizzly Peak, ca. 5 mi (air) S of Taylorsville, ca. 8 mi (air) NE of Quincy 2139 Comment
  JEPS28344  Carex jonesii George W. Gillett 1957-7-19 852 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  SEINET10467094  Carex kelloggii Lowell Ahart 1985-7-3 Ahart 5101 Plumas About 4 1/4 miles north-east of La Porte. Comment
  UC1584580  Carex lasiocarpa Dean W. Taylor 1990-8-20 11466 Plumas along a minor unnamed tributary, Little Willow Lake Lassen Volcanic National Park, Reading Peak 7 1/2' quad. 1844 Comment
Read comments
Jun 8 2006
  CHSC47142  Carex lenticularis var. impressa Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  CAS-BOT-BC28514  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44241 Plumas Chambers Lodge, Lake Tahoe. 1920 Comment
  CHSC50435  Carex limosa Vernon H. Oswald 1990-6-22 4313 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. 1767 Comment
  CAS-BOT-BC31636  Carex luzulina var. ablata John Thomas Howell 1960-7-23 35942 Plumas Drakesbad, Wet meadow near Soda Spring. 1828 Comment
  SEINET7566773 Image available Carex mariposana John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54343 a Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 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
  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
  SEINET7568479 Image available Carex multicaulis Lewis S. Rose 1963-6-3 63084 Plumas Butterfly Valley, 3 mi SW of Keddie. 1189 Comment
  CHSC77071  Carex nervina G. Douglas Barbe; T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CHSC47341  Carex nudata L. P. Janeway 1989-6-15 3325 Plumas Plumas National Forest. At edge of Middle Fk Feather River ca 1 mi SE of Cromberg. 1280 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
  CAS-BOT-BC119185  Carex pachystachya John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54178 Plumas Long Valley at road to Maxwell Mine. 1633 Comment
  CHSC66646  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-7-15 8045 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  JEPS63504  Carex pellita W. L. Jepson 1939-8-14 19417 Plumas Willow Creek 1828 Comment
  CAS-BOT-BC118611  Carex raynoldsii E. K. Balls 1950-9-1 15613 Plumas East of Long Lake in meadow leading down to smaller lakes, Southern county 2133 Comment
  SEINET11635245  Carex rossii L. P. Janeway 1989-1 3273 Plumas Plumas NF, near Jackson Cr, just E of Feather River Hwy (70/89), upper end of Jackson Cr campground 1387 Comment
  CAS-BOT-BC118217  Carex scoparia John Thomas Howell 1976-7-15 51848 Plumas Snake Lake, ca 4 mi NW of Quincy. 1219 Comment
  CAS-BOT-BC117519  Carex sheldonii L. P. Janeway; Jim Battigan; Stacy Scott 1989-7-6 3453 Plumas Along Red Clover Cr and Red Clover Valley, 1.5 mi W of the Clover Valley Ranch bldgs 1652 Comment
  CHSC46992  Carex sheldonii L. P. Janeway 1989-7-25 3529 Plumas Plumas National Forest. Along Red Clover Cr in Red Clover Valley at crossing of rd 25N05; near Beckwourth-Genesee Rd (rd 111) 15.7 mi from Beckwourth. 1645 Comment
  CHSC97073  Carex simulata Lowell Ahart; Josephine Guardino 2007-7-21 14364 Plumas Shallow water in a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  CAS-BOT-BC117743  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2274 Plumas Meadow at Drakesbad. 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
  OBI22658  Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy 1036 Comment
  CAS-BOT-BC114993  Carex subfusca John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2377 Plumas Moist roadside hollow in canyon of Butterfly Creek between Spanish Creek and Butterfly V. Comment
  CAS-BOT-BC115997  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54115 Plumas 10.6 mi NE of La Porte on road to Quincy. 1889 Comment
  CHSC112080  Carex subfusca L. P. Janeway 2014-7-17 11565 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
  CHSC92306  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC97078  Carex subfusca Lowell Ahart; Josephine Guardino 2007-7-21 14356 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  RSA699969  Carex subfusca L. Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  SJSU7499  Carex subfusca Lewis S. Rose 1968-6-10 68085 Plumas Quincy 1036 Comment
  CHSC115515  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), 1180 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. 1892 Comment
  CHSC47144  Carex utriculata Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  CAS-BOT-BC115418  Carex utriculata George Wilson Gillett 1957-1-1 837 Plumas Willow Lake. Marsh at N end of Lake. 1661 Comment
  CHSC116391  Carex utriculata Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 407 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  CHSC96313  Carex vesicaria L. P. Janeway; B. Castro 2006-9-9 8880 Plumas High Cascade Range. West shore of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). On soggy bench around the lake about 7 dm below the high water line. 1981 Comment
  CHSC47147  Carex whitneyi L. P. Janeway 1989-6-12 3299 Plumas Plumas National Forest. Slope on south side of Red Clover Valley. 1737 Comment
  UCD140981  Carex whitneyi John Thomas Howell 20-23 Jun 1977 52407 Plumas On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC249009  Castilleja Clare B. Hardham 1975-8-2 20452 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC249371  Castilleja applegatei M. S. Taylor 1982-6-10 4635 Plumas Ramelli Ranch, se of jct of Calpine Rd (109) and Hwy 70, ca. 1/2 mi sw of Beckwourth 1487 Comment
  RSA101411  Castilleja applegatei subsp. disticha R. Weatherby 1955-7-26 1663 Plumas Upper end of Three Lakes trail, near Spanish Peak. 2073 Comment
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Mar 2 2015
  CAS-BOT-BC249746  Castilleja applegatei subsp. pinetorum John Thomas Howell 1961-6-21 36640 Plumas Greenville 1097 Comment
  JEPS3016  Castilleja applegatei subsp. pinetorum unknown 1952-5-30 34 Plumas near mouth of Milk Ranch Creek 762 Comment
  JEPS80888  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-8-19 4214 Plumas ca 1 mi w Sloat (0.5 mi e of Bell Creek, s side of Rd 23N10); Blue Nose Mt. Quad. 1341 Comment
  SEINET13732908  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-3 87 -1 Plumas Red Clover Valley. Comment
  CHSC98756  Castilleja arachnoidea L. P. Janeway 2007-8-13 9179 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  JEPS81467  Castilleja arachnoidea M. S. Taylor 1982-8-18 5013 Plumas ca 9 air mi ne Sloat (Mt. Ingalls summit); Mt. Ingalls, Mt. Ingalls QUAD. 2551 Comment
  JEPS125759  Castilleja campestris William Harnach 2013-5-18 1355 Plumas 0.25 miles East of Co. Rd A-23 on Marble Lane, south of Beckwourth Comment
  JEPS74945  Castilleja campestris subsp. campestris T. I. and F. M. Chuang 1975-7-24 7558 Plumas ca 6 mi nw Loyalton (along Harriet Lane, 4.3 mi n Harriet Lane junction with Route 49) 1463 Comment
  CHSC34069  Castilleja lacera M. S. Taylor 1981-6-19 3931 Plumas SW side of Lake Alamanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  UC1562841  Castilleja lacera Barbara Ertter 1989-7-4 8685 a Plumas 4.2 mi w Hwy. 89 junction with Hwy 36 (Coyote Flat, w of Lake Almanor); Coyote Flat 1524 Comment
  CAS-BOT-BC254000  Castilleja miniata E. K. Balls 1950-9-1 15668 Plumas east of Long Lake in meadow sloping to 2 smaller lakes (Helgamite Pont?) 2133 Comment
  UC577662  Castilleja miniata F. W. Embree 1934-6-6 74 Plumas s slope Buck Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CAS-BOT-BC254057  Castilleja miniata Catherine Best 1983-8-29 877 Plumas Lakes Basin Campground. Plants of the Sierra Nevada, California 1920 Comment
  CAS-BOT-BC254058  Castilleja miniata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk, on hill south of Onion Valley 2000 Comment
  RSA7882  Castilleja miniata H. A. Barker 1927-7-6 784 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  CHSC108456  Castilleja miniata subsp. miniata Lowell Ahart 2011-9-20 17684 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
  CHSC80876  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS95383  Castilleja miniata subsp. miniata Lowell Ahart 1994-7-22 7487 Plumas S of the Pacific Crest Trail, on N side of Mount Etna 1981 Comment
  CHSC37290  Castilleja pilosa M. S. Taylor 1982-5-28 4558 Plumas Squaw Valley at jct of 26N70 and 28N01, ca. 16 mi s of Milford. 1706 Comment
  RSA169418  Castilleja pilosa L. S. Rose 1963-6-4 63124 Plumas Sierra Valley, 1 mile S of Beckwourth 1463 Comment
  UC1063481  Castilleja pilosa E. Sawyer 1935-6-4 62 Plumas 3.75 mi ene Beckwith Butte; Sierraville Quad. 1493 Comment
  CHSC96934  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14026 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  JEPS106309  Castilleja tenuis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11052 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  JEPS108891  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
  JEPS113804  Castilleja tenuis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14026 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  SEINET11262358  Castilleja tenuis D. W. McNeal 1990-7-25 3847 Plumas Ca 100 m s of the rd to Mills Pk Lookout (Church Meadows Rd), 0.7 mi e of the jct of Gold Lake Rd.; 0 Comment
  UC1023720  Castilleja tenuis Francis W. Pennell 1940-6-12 25818 Plumas w of Beckwourth (along Feather River); Feather River 1493 Comment
  CDA14746  Ceanothus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3292 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC47864  Ceanothus cordulatus John Thomas Howell 1926-7-26 2116 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC48611  Ceanothus cordulatus Walter Knight; Irja Knight 1966-6-19 1319 Plumas Butterfly Valley 1158 Comment
  CAS-BOT-BC48613  Ceanothus cordulatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54273 Plumas Rocky summit ridge, Mt. Hough 2203 Comment
  RSA14403  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley, Mt. Lassen Comment
  SEINET11182774  Ceanothus cordulatus W. Harnach, N. Harnach 1990-6-27 416 Plumas Sierra Valley. W of Beckwourth, Ramelli Ranch (USFS), so of R/R. 1554 Comment
  UC1070971  Ceanothus cordulatus G. T. Nordstrom 1934-7-9 202 Plumas 1.5 mi s Mt. Ararat; Bidwell Bar quad, Plumas National Forest 1615 Comment
  SEINET7063413  Ceanothus cuneatus var. cuneatus A. G. Vestal 1947-3-28 s.n. Plumas About 5 miles north of Warner Valley. UTM Zone 10, 640741mE, 4476732mN. (WGS84/NAD83). 1658 Comment
  CAS-BOT-BC50735  Ceanothus integerrimus John Thomas Howell 1976-7-16 51877 Plumas Sierra Nevada - Spanish Creek near mouth of Slate Creek 1066 Comment
  JEPS42130  Ceanothus integerrimus E. Fritz 1936-6-14 Plumas near Meadow Valley (Silver Lake Rd) 1524 Comment
  CAS-BOT-BC51043  Ceanothus integerrimus var. macrothyrsus Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  UCD112015  Ceanothus integerrimus var. macrothyrsus Lewis S. Rose 1967-6-10 67153 Plumas Butterfly Valley, 3 mi. w of Keddie. 1097 Comment
  RSA74355  Ceanothus integerrimus var. puberulus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on yellow Creek, Belden, Feather River Canyon Comment
  UC338185  Ceanothus lemmonii Lemmon May 1874 Plumas Thompsons ranch, near Quincy Comment
  CAS-BOT-BC52061  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak Comment
  CAS-BOT-BC63367  Ceanothus prostratus Alice Eastwood 1927-6-15 14594 Plumas On trail to Long Valley. United States Forest Reserve. Comment
  CDA18744  Ceanothus prostratus G. D. Barbe, T. C Fuller 1982-7-16 3775 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  SD7228  Ceanothus prostratus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  UC1071279  Ceanothus prostratus C. W. Hanks 1934-8-8 15 Plumas ridge top nw Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  RSA0011257  Ceanothus prostratus R. M. Austin 1879-1 s.n. Plumas Big Meadow 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
  CHSC64130  Ceanothus velutinus B. Castro; R. A. Schlising 1987-7-21 181 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98, on sunny hillside just NE of spring on unnamed E-trending tributary to Mohawk Ck and above a small meadow which extends down to Rd 22N98. 1600 Comment
  CHSC73429  Ceanothus velutinus B. Castro 1995-11-30 630 Plumas Ca 0.22 air mi E of Soapstone Hill, and ca 0.1 mi N of 'Prospect' site on maps, on E edge of USGS Rd 23N23 just S of major W-trending ravine. 1584 Comment
  RSA121650  Ceanothus velutinus E. Sawyer 1935-6-14 111 Plumas Two miles northeast of Kerby. 1646 Comment
  CAS-BOT-BC63183  Ceanothus velutinus var. velutinus George W. Gillett 1957-7-23 892 Plumas Summit of Mt. Harkness. Lassen Volcanic National Park. 2446 Comment
  CAS-BOT-BC277040  Centaurea maculosa W. Harnach; N. Harnach 1991-7-30 662 Plumas Sierra Valley. Approx 100 yards north of the turnoff to the Westside Cem. on A-23 1493 Comment
  SEINET13709633  Centaurea maculosa Lowell William Ahart, Lowell William Ahart 2001-1 8887 Plumas Hwy 89 W of Spillway at Lake Almanor (T27N, R8E, sec 28, NW 1/4) 4510 Ft. 1375 Comment
  CAS-BOT-BC207379  Cercis occidentalis Bonnie Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie. Comment
  JEPS113420  Cercocarpus ledifolius var. intermontanus Lowell Ahart, John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2509 Comment
  CHSC64067  Chaenactis douglasii var. douglasii B. Castro; R. A. Schlising 1987-7-21 169 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
  CAS-BOT-BC276731  Chaenactis douglasii var. douglasii Arthur C. Barrett 1915-7-10 209 Plumas Lone Rock Valley Comment
  JEPS104113  Chamaesaracha nana Lowell Ahart 2003-9-7 10559 Plumas On the e side of the dirt road, ca 50 yd n of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  CHSC113605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC1121  Chamerion angustifolium subsp. circumvagum V. Holt 1935-9-1 Plumas Buck's Lake road. 1219 Comment
  CHSC113977  Cheilanthes gracillima Lowell Ahart 2014-11-16 19906 Plumas 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 (air) northwest of La Porte. 1584 Comment
  UC399621  Cheilanthes gracillima C. C. Hall 1912-7-13 Plumas near Johnsville (Jameson Creek) Comment
  JEPS124536 Image available Chenopodium Reinhard Jockel 1969-6-26 3 Plumas On roadside 2 miles N of Sierra Co. line. on A 23 (Beck worth - Cal pine Rd.) Comment
  RSA718528  Chenopodium album L. Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  JEPS108998  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2006-10-8 13411 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  CHSC34316  Chenopodium berlandieri L. Ahart 1981-9-6 3074 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1 1/2 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC426356  Chenopodium desiccatum John Thomas Howell 1962-6-19 37881 Plumas Beckwourth Pass 1584 Comment
  NY990873  Chenopodium desiccatum J. T. Howell 1977-8-11 52708 Plumas North end of Frenchmans Reservoir 1707 Comment
  CHSC103152  Chenopodium pumilio Lowell Ahart; John Dittes 2009-9-7 16380 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA88585  Chenopodium pumilio J. T. Howell 1951-8-19 28183 Plumas Greenville. 1098 Comment
  CAS-BOT-BC451425  Chimaphila menziesii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC45517  Chimaphila umbellata Lowell Ahart 1974-7-24 558 Plumas East of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1706 Comment
  CAS-BOT-BC452235  Chimaphila umbellata L. P. Janeway 1990-9-27 3852 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. About halfway between Cascade Cr. and Emigrant Cr, and about 1/3 mi. S of Little Grizzly Cr. 1859 Comment
  RSA60133  Chimaphila umbellata subsp. occidentalis E. K. Balls 1950-9-5 15676 Plumas Thompson Creek main trail, .2 mi. above turn off to Spur 3, near Quincy. 1524 Comment
  POM190469  Chrysanthemum leucanthemum D. D. Keck 1932-7-3 1622 Plumas Quincy, along road to Lake Almanor; Northern Sierra Nevada 1067 Comment
  CAS-BOT-BC36259  Chrysolepis sempervirens John Thomas Howell; Gordon H. True 1973-7-31 50099 Plumas Canadian Zone Forest, summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC56544  Chrysolepis sempervirens L. P. Janeway 1984-7-13 916 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  SEINET7450654 Image available Chrysopsis villosa var. minor W. Harnach, N. Harnach 1989-6-29 201 Plumas Sierra Valley, Approx 5 miles E of Beckwourth on Hwy 70, Hindoo Ranch 1490 Comment
  RSA129838  Chrysothamnus parryi subsp. nevadensis C. G. Albertus 1935-8-12 260 Plumas 2 miles NE of Grizzly Peak. 1738 Comment
  CAS-BOT-BC100815  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1959-9-25 35022 Plumas Summit of Beckwourth Pass 1588 Comment
  CDA10793  Chrysothamnus viscidiflorus subsp. viscidiflorus R. V. Zahm 1964-8-27 Plumas Along railroad tracks, Almanor Railroad between Chester & Westwood. 0 Comment
  RSA129843  Chrysothamnus viscidiflorus subsp. viscidiflorus C. G. Albertus 1935-8-28 276 Plumas 2.5 miles NNE of Grizzly Peak. 2591 Comment
  CHSC110604  Chrysothamnus viscidiflorus var. viscidiflorus B. Castro; G. Kuenster 2006-8-4 1591 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. 1670 Comment
  UCD127283  Cicuta douglasii R. Tofsrud 1948-7-1 s.n. Plumas Quincy. Comment
  CAS-BOT-BC190013  Cinna latifolia John Thomas Howell 1976-7-16 51919 Plumas Sierra Nevada. Just east of Bucks Summit on road to Meadow Valley. 1645 Comment
  JEPS95459  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC100439  Circaea alpina subsp. pacifica Lowell Ahart 2008-9-10 15363 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
  JEPS113706  Circaea alpina subsp. pacifica Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14473 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  RSA52865  Circaea alpina subsp. pacifica R. Weatherby 1950-7-7 1451 Plumas Gansner Creek, Quincy. 1220 Comment
  JEPS112696  Cirsium andersonii Dean W. Taylor 2000-7-30 17535 Plumas spring about 1 mile SE of SE arm Antelope Lake (along Forest Road 27N41 0.2 mi S of junction with Forest Road 172) 1554 Comment
  UC91812  Cirsium andersonii Mrs. R. M. Austin 1896-8-1 556 Plumas Big Meadows Comment
  CAS-BOT-BC289623  Cirsium andersonii Clarence R. Quick 1966-7-7 66 -43 Plumas Cottonwood Creek crossing, ca. 3 m. s. of w. end of Humbug Valley 1402 Comment
  CAS-BOT-BC284419  Cirsium arvense John Thomas Howell 1961-9-23 36833 Plumas Indian Valley, Sierra Nevada 1082 Comment
  JEPS102809  Cirsium arvense Lowell Ahart 2001-9-18 9272 Plumas About 100 feet north of the pond, Butterfly Valley, about 5 miles (air) NW of Quicy. 1104 Comment
  CAS-BOT-BC278029  Cirsium cymosum M. S. Taylor 1982-6-28 4773 A Plumas Ramelli Ranch, near jct of Calpine Rd and Hwy 70, ca. 1 mi w of Beckwourth 1463 Comment
  OBI64687  Cirsium cymosum var. cymosum G. D. Barbe 1982-6-17 3807 Plumas S shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. USGS Quad. Frenchman Lake 7.5' T24N, R16E, Sect 28 BM: M 1707 Comment
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET3146345  Cirsium occidentale var. candidissimum E. K. Balls 1950-9-6 15696 Plumas Jackson Crk Public Camp, Middle Fork Feather Rv. of Hwy. 24, E of Quincy 1402 Comment
  CDA31795  Cirsium occidentale var. venustum C. Krass 1979-8-1 Plumas ).7 miles E of mile post 31.50 on HIghway 70 0 Comment
  CAS-BOT-BC286363  Cirsium scariosum H. E. Brown 1897-8-1 623 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC286444  Cirsium scariosum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54333 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CAS-BOT-BC286451  Cirsium scariosum John Thomas Howell 1960-7-24 35985 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC97525  Cirsium scariosum Lowell Ahart; John Dittes 2007-6-16 14117 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET3840891  Cirsium scariosum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3866 Plumas Two miles north of Turkey Point Fishing Access, USGA Quadrangle: Frenchman Lake 7.5 1700 Comment
  CHSC108713  Cirsium scariosum var. americanum B. Castro; L. P. Janeway 2001-7-22 1352 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. On open forest floor up from road (the western extension of USFSRd 23N69). 1798 Comment
  CAS-BOT-BC228896  Cistanthe umbellata Alice Eastwood 1927-6-15 14624 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC162584  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54213 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1584 Comment
  UC725297  Clarkia mildrediae A. A. Heller 1940-6-5 15708 Plumas along State Hwy. 24 near Buck's Creek power house Comment
  UCD104798  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas Hartman Bar Ridge. Slope N of Road 22N94, on south side of Franklin Hill. 1706 Comment
  CAS-BOT-BC164924  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CDA14723  Clarkia rhomboidea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3249 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  SEINET10870533  Clarkia rhomboidea Leslie D. Gottlieb 1987-8-22 Gottlieb 8758 Plumas Specimen grown in Genetics Department greenhouse, UC Davis, Fall 1987 from seeds collected Aug 22, 1987. Rt. 70, 0.6 mile west of De Sabla Power Station, or about 5.2 to 5.7 miles south of Yellow Creek Bridge. Comment
  UC1730250  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas across [river] from Paxton (N side of East Branch North Fork Feather River; beginning of dirt road off Hwy 70 0.8 mi W of junction with Hwy 89) 883 Comment
  RSA516780  Clarkia stellata Walter Knight, I. Knight, John Thomas Howell, Gordon True 1967-7-12 2110 Plumas Butterfly Botanical Area and vicinity, between valley proper and Darlingtonia bog 1067 Comment
  RSA60884  Clarkia stellata Frank W. Gould 1938-6-26 464 Plumas 3 miles north of Greenville 1128 Comment
  UC1730246  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 2 mi SW of Prattville, Lake Almanor (0.3-0.5 mi E of the road from Prattville to Butt Reservoir,) 1438 Comment
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  LA207492  Claytonia lanceolata Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SEINET5336343  Claytonia lanceolata L. Miller 1929-5-12 2188 Plumas 15 mi W Portola, California Comment
  CHSC57310  Claytonia lanceolata var. lanceolata L. P. Janeway 1991-5-28 3968 Plumas Plumas National Forest. Beckwourth Ranger District. Red Clover Compartment. South side of Poco Creek ca 1 1/2 mi est of Red Clover Creek (south side of road 25N05). 1719 Comment
  JEPS46145  Claytonia palustris Duncan Dunning 1923-6-2 Plumas 4 mi nw Quincy; Snake Lake Comment
  CAS-BOT-BC233844  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas Near Marston Station 1066 Comment
  JEPS108550  Claytonia parviflora subsp. parviflora L. P. Janeway 1994-5-24 4648 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca 1371 Comment
  CAS-BOT-BC443643  Claytonia perfoliata subsp. perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 1066 Comment
  UCD23350  Claytonia perfoliata subsp. perfoliata E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CDA14716  Claytonia rubra subsp. rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3232 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC63157  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas In shade of trees, on the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. Label mentions both Plumas and Sierra counties. 2011 Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  CAS-BOT-BC443803  Claytonia rubra subsp. rubra Thomas H. Harris 1973-6-3 s.n. Plumas Near Lake Almanor 1371 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
  SD6966  Collinsia Mrs. R. M. Austin 187_ Plumas American Valley Comment
  CDA19235  Collinsia parviflora G. D. Barbe, T. C. Fuller 1982-6-17 3829 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET3840860  Collinsia parviflora G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3829 Plumas South shore of Frenchman Reservoir, 0.4 miles east of Frenchman Dam, USGS Quadrangle: Frenchman Lake 7.5 1700 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
  SEINET10548322  Collinsia torreyi Mary Susan Taylor 1982-6-17 Taylor 4690 Plumas T23N R11E sw/nw sec 17. Blue Nose Mt quad. S side of 23N44Y, 0.2-0.3 mi w of its jct with 23N50Y-Bell Bar Cr Rd, ca, 2 air mi sw of Sloat. Elev 4900 ft. 1493 Comment
  JEPS103358  Collinsia torreyi var. torreyi Lowell Ahart 2002-6-26 9769 Plumas On the E side of the poor road, ca 1 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1760 Comment
  CHSC63154  Collomia grandiflora Lowell Ahart 1994-7-7 7461 Plumas Plumas and Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  RSA8081  Collomia grandiflora H. A. Barker 1927-7-16 815 Plumas Mohawk 1372 Comment
  CHSC46646  Collomia tinctoria Lowell Ahart 1989-7-2 6347 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  UC1586412  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1991-6-18 4683 Plumas Forest Road 28N38 3.4 mi nne County Road 201 (Old Haun Road) (ca 4 mi (air) n of Greenville) 1609 Comment
  SJSU14361  Collomia tinctoria N. A. Hopkins 1990-7-1 1625 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1584 Comment
  UCD118260  Collomia tinctoria W. R. Powell 1968-7-2 1602 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CHSC33594  Comarum palustre M. S. Taylor 1981-6-15 3900 Plumas NW side of Snake Lake, ca. 4 mi ne of Meadow Valley. 1219 Comment
  CAS-BOT-BC286168  Conyza canadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1498 Plumas Butterfly Botanical Area and vicinity. At Fern Glen 1097 Comment
  JEPS87740  Corallorhiza maculata Lowell Ahart 1994-6-17 7362 Plumas about 1 mi e of Sly Creek Reservoir (e side of a poor logging road about 100 yd s of the locked gate; w side of Sly Creek); Sly Creek 1097 Comment
  CAS-BOT-BC237930  Cordylanthus Clare B. Hardham 1986-8-9 30405 Plumas Sierra Nevada Mountains. Meadow Valley - Virgilia Road 1310 Comment
  CHSC35284  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-20 4229 Plumas At jct rds 26N18, 26N92, and 27N92, ca 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC35287  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-25 4240 Plumas Just off spur rd off Red Hill Rd (26N22F), ca. 1 air mi ne of the Lookout, ca. 5 air mi ne of Belden. 1767 Comment
  JEPS81462  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-25 4240 Plumas ca 5 air mi ne Belden (ca 1 air mi ne of Lookout, just off spur rd off Red Hill Rd (26NF22F)); Almanor SW quad 1767 Comment
  JEPS7000  Cordylanthus tenuis subsp. tenuis Rimo Bacigalupi and J. R. Sweeney 1953-8-31 4325 Plumas 4 mi n Quincy (near junction of road to Oakland Municipal Camp and Calif. Hwy 24) Comment
  CHSC21564  Cornus nuttallii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  POM287807  Cornus nuttallii Mrs. R. M. Austin, C. C. Bruce, G. Austin 1908-04 652 Plumas Near Sierra Valley. 1372 Comment
  UC1122790  Cornus nuttallii E. Nourse 1934-9-4 20 Plumas 3/4 mi. s. & 1 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC210301  Cornus sericea Lewis S. Rose 1963-6-5 63132 Plumas 2 mi w of Paxton 914 Comment
  CAS-BOT-BC210321  Cornus sericea David D. Keck 1932-7-3 1654 Plumas South of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  SEINET10453356  Cornus stolonifera Mary Susan Taylor 1981-7-17 Taylor 4028 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  POM123485  Corydalis caseana J. G. Lemmon 1875-07 s.n. Plumas Big Spring Comment
  CHSC64456  Corydalis caseana subsp. caseana B. Castro; G. Kuenster, L. Gehrung 1994-7-17 527 Plumas 1 air mi E of Whitehorse Campgd E of Bucks Lake, ca 300 ft S of tributary to Bucks Creek. Along N-trending perennial creeklets tributary to Bucks Creek. 1645 Comment
  CHSC76137  Corydalis caseana subsp. caseana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3339 Plumas 0.75 miles east of Bucks summit on Bucks Lake Road. 1600 Comment
  CHSC88652  Corydalis caseana subsp. caseana B. Castro 1992-10-7 Plumas Plumas National Forest. Oak Dome, near Little Grizzly Creek, Road 23N73Y. 1676 Comment
  CAS-BOT-BC401873  Corydalis caseana subsp. caseana Robert J. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge, near Taylor Lake 1981 Comment
  CAS-BOT-BC287205  Cota tinctoria Thomas H. Kearney 1944-8-14 163 Plumas Near Prattville, Lake Almanor Comment
  RSA312453  Crassula aquatica Malcolm A. Nobs, S. Galen Smith 1949-8-18 1374 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CAS-BOT-BC290321  Crepis Clare B. Hardham 1975-8-2 20484 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC290443  Crepis acuminata John Thomas Howell 1975-7-22 51360 Plumas 2 miles northwest of Spring Garden 1173 Comment
  JEPS115230  Crepis acuminata Lowell Ahart, John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  CAS-BOT-BC291565  Crepis intermedia John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2424 Plumas Adjacent to the mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  JEPS113382  Crepis intermedia Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  POM17470  Crepis intermedia Mary E. P. Ames 1891-06 s.n. Plumas Taylorsville, Indian Valley; American River Hills, near Auburn Comment
  UC346537  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-23 181 Plumas along hwy about 2 or 3 mi e Meadow Valley (en route to Quincy) Comment
  UC346562  Crepis intermedia E. B. Babcock 1928-6-15 155 Plumas 1 1/2 mi below Blairsden (on road to Quincy, bet. road and R.R.) Comment
  UC581245  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2151 Plumas Beckwith Peak; e slope 1670 Comment
  CAS-BOT-BC291600  Crepis monticola Frank W. Peirson 1926-6-22 6829 Plumas Drakesbad, Lassen National Park Comment
  JEPS103545  Crepis occidentalis Lowell Ahart 2002-6-26 9773 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CHSC58157  Crepis occidentalis subsp. conjuncta Vernon H. Oswald 1992-6-18 4998 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. just inside the boundary of the park. Openings bordering the N side of the road. 1615 Comment
  UC353950  Crepis occidentalis subsp. costata Katharine Brandegee 1913-1 Plumas Portola Comment
  CAS-BOT-BC290853  Crepis pleurocarpa Anna Head 1921-8-18 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  JEPS118621  Crepis pleurocarpa B. Castro, L. P. Janeway 2001-7-22 1351 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In rocky open areas up from road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  CAS-BOT-BC190065  Crypsis alopecuroides John Thomas Howell 1977-8-11 52716 Plumas Sierra Nevada. Dessicated bottom of Frenchmans Reservoir on east side near Big Cove. 1706 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-BC189301  Cryptantha W. Harnach; N. Harnach 1990-6-19 401 Plumas Sierra Valley. Genesse Road 1615 Comment
  SBBG21892  Cryptantha affinis D. Myrick 1964-7-21 888 Plumas near trail parking area, Drakesbad 1737 Comment
  CHSC96854  Cryptantha simulans Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14008 Plumas Around trees, east side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  SEINET12564967  Cryptantha simulans A. A. Heller, P. B. Kennedy 1907-7-9 8776 Plumas Prattville. Comment
  RSA95526  Cryptantha simulans J. T. Howell 1951-6-27 27572 Plumas Johnsville; Sierra Nevada 1585 Comment
  CDA18476  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3216 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CHSC43470  Cryptantha torreyana Lowell Ahart 1977-7-9 1453 Plumas Near a small meadow, near the South Fork of the Feather River, about 1/2 mile north of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  UC78658  Cryptantha torreyana Mrs. R. M. Austin Jul 1882 Plumas Big Meadows Comment
  UCD120098  Cryptantha torreyana John Thomas Howell 1960-7-18 35545 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC59163  Cryptogramma cascadensis Vernon H. Oswald; Lowell Ahart 1992-9-15 5210 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CAS-BOT-BC80529  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1 1/2 mi. W. of Wheeler Peak Comment
  CAS-BOT-BC80531  Cupressus bakeri M. S. Taylor; M. Foster 1981-8-13 4175 Plumas N & NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee 1981 Comment
  UC1229887  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -1 Plumas 1.5 mi w of Wheeler Peak (scatted grove of ca 3 acres on n and e borders on an open lava cap) 1996 Comment
  CAS-BOT-BC224547  Cuscuta californica M. S. Taylor 1982-8-5 4928 Plumas Mt Hough summit, ca. 7 mi nne of Quincy 2203 Comment
  CAS-BOT-BC224548  Cuscuta californica Lowell Ahart 1981-7-21 2971 Plumas Along Cleghorn Bar Road, near Pilot Peak 1900 Comment
  CHSC63457  Cuscuta californica var. californica Lowell Ahart 1994-7-22 7506 Plumas Southside of the Pacific Crest Trail, north of Mount Etna. 1981 Comment
  CHSC36926  Cuscuta subinclusa M. S. Taylor 1982-8-10 4954 Plumas Along 26N88, just e of its jct with Seneca Rd (306), ca. 7 mi sw of Canyon Dam. Comment
  CAS-BOT-BC205710  Cusickiella douglasii James R. Shevock 1985-5-19 11166 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01 at Dixie Valley, 11.6 miles northwest of Frenchman Reservoir 1900 Comment
  CHSC64062  Cycladenia humilis var. humilis B. Castro; L. Hanson, Chico Friends' Meeting 1988-7-15 272 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  UC480666  Cynoglossum occidentale H. F. Copeland 1920-7-17 110 Plumas between Plumas and Tehama Co.'s Bull Mt. Comment
  CHSC81167  Cyperus squarrosus Lowell Ahart 2001-8-29 9249 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102578  Cyperus squarrosus Lowell Ahart 2001-10-8 9306 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC114128  Cyperus squarrosus John Thomas Howell 1961-9-24 36913 Plumas Feather River bed sur. of Beckworth. 1487 Comment
  SEINET7582966 Image available Cyperus squarrosus Unknown 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1356 Comment
  CHSC21814  Cypripedium fasciculatum F. T. Griggs; A. Pass 1975-7-31 270 Plumas Grizzly Forebay. ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC73110  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas S of Buckhorn Creek, 1 mi. SW of Grizzly Mtn, 13 air mi. NE of Pulga 1585 Comment
  UC4447  Cypripedium montanum Mrs. R. M. Austin July, 1874 Plumas Comment
  CAS-BOT-BC70679  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Johnsville Comment
  UC123018  Cystopteris fragilis Mrs. R. M. Austin June 1874 306 Plumas Rocky Bluff, Black Hawk Creek Comment
  CAS-BOT-BC186624  Danthonia californica John Thomas Howell 1962-6-17 37686 Plumas Butterfly Valley 1036 Comment
  CHSC102708  Danthonia californica var. americana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16159 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  POM115082  Danthonia californica var. americana Marcus E. Jones 1897-7-3 s.n. Plumas Prattville [county not specified on label] 1372 Comment
  CHSC91829  Danthonia californica var. californica G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16275 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: in upper bog. 1158 Comment
  CDA18438  Danthonia unispicata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3136 Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  UCD119071  Darlingtonia californica Barry Rice 2010-6-10 BR 100601 Plumas South of Butterfly Valley. Comment
  SEINET10480123  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5041 Plumas T25N R8E nw/se sec 19. Almanor SW quad. On both sides of Virgilia-Meadow Valley Rd (25N17), in small creek, ca. 0.5 mi w of York Cr, s of 12 Mile Ravine, ca. 1.5 mi sw of Virgilia. 4400 ft. 1341 Comment
  CAS-BOT-BC179652  Delphinium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54392 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  CAS-BOT-BC8914  Delphinium depauperatum Anna Head 1920-7-1 s.n. Plumas Near Gold Lake, Feather River Region 1981 Comment
  RSA0091379  Delphinium depauperatum Bonnie C. Templeton 1968-1 11300 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC55398  Delphinium nudicaule Ben Cunningham 1991-4-20 14 Plumas Ca 1.4 mi south of Rock Creek Dam and 10 ft west of Highway 70, 37 mi south of Greenville. 731 Comment
  JEPS48090  Delphinium nudicaule Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2703 A Plumas 1/4 mi s junction of U.S. Forest Service roads 25N15 and 25N12; vicinity of Butterfly Valley 1082 Comment
  SBBG2173  Delphinium nudicaule H. and M. Dearing 1939-5-9 3321 Plumas near Quincy Comment
  RSA641464  Delphinium nudicaule Michael A. Vincent 1999-6-8 8547 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  UC170922  Delphinium nudicaule H. M. Hall 1912-6-19 9263 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  CAS-BOT-BC116074  Delphinium nuttallianum Anna Head 1921-7-7 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CDA18741  Delphinium nuttallianum G. D. Barbe, T. C Fuller 1982-7-16 3778 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  JEPS23629  Delphinium nuttallianum John W. Duffield 1937-5-27 Plumas Meadow Valley Comment
  POM147074  Dendromecon rigida Alice Eastwood 1927-6-27 14917 Plumas United States Forest Reserve Comment
  CHSC102155  Deschampsia cespitosa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16210 Plumas On dry to damp soil, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  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
  CHSC58206  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5006 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just inside the park boundary. On the margin of a meadow at the head of Willow Lake. 1658 Comment
  RSA201362  Deschampsia danthonioides J. T. Howell 1960-7-19 35619 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  CAS-BOT-BC201889  Deschampsia elongata Mary S. Clemens 1920-6-22 7 Plumas Quincy Comment
  CAS-BOT-BC201894  Deschampsia elongata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1635 Plumas Area north of Pond Reservoir 1097 Comment
  CHSC21291  Deschampsia elongata F. T. Griggs; A. Pass 1975-8-2 294 Plumas Buck's Lake. Comment
  CHSC79879  Deschampsia elongata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13205 Plumas Northern California, Sierra Nevada, Plumas National Forest. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  JEPS28314  Deschampsia elongata George W. Gillett 1957-7-17 801 Plumas near e. inlet to Willow Lake 1661 Comment
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  SEINET10448462  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-17 Taylor 4463 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  CAS-BOT-BC402455  Dicentra formosa subsp. formosa John Thomas Howell 1960-7-20 35719 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC63152  Dicentra pauciflora Lowell Ahart 1994-6-29 7416 Plumas On the bank of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  JEPS87574  Dicentra pauciflora Lowell Ahart 1994-6-29 7416 Plumas about 0.5 mi s Bucks Lake (on poor logging road) 1828 Comment
  CAS-BOT-BC402605  Dicentra uniflora Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  RSA184938  Dichanthelium acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 miles w. of Keddie 1067 Comment
  CAS-BOT-BC502163  Dichelostemma congestum John Thomas Howell 1960-7-22 35928 Plumas Near Devil's Kitchen, near Drakesbad; Lassen Volcanic National Park 1828 Comment
  CHSC21220  Dichelostemma multiflorum F. T. Griggs; A. Pass 1975-7-12 174 Plumas Buck's Lake Forest Service Survey. Comment
  POM253055  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray s Flat along the Feather River Highway. 869 Comment
  UC1133983  Dichelostemma multiflorum Beryl O. Schreiber 1938-7-9 2520 Plumas 1 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC502666  Dichelostemma multiflorum Clarence R. Quick 1934-7-4 1336 Plumas Headwaters of Clear Creek, Plumas National Forest Comment
  CAS-BOT-BC502673  Dichelostemma multiflorum Lewis S. Rose 1963-6-5 63130 Plumas 3 mi n of Quincy 1097 Comment
  SJSU13906  Dieteria canescens var. canescens N. A. Hopkins 1986-6-24 1371 Plumas lower end of Red Clover Valley, 8 miles N of Beckwourth on Beckwourth-Genesee Road 1524 Comment
  CAS-BOT-BC151815  Diplacus mephiticus Lewis S. Rose 1939-6-8 39256 Plumas N. Fork of Feather river, 11 mi. sw. of Belden 609 Comment
  CHSC73823  Diplacus mephiticus B. Castro 1997-6-9 730 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  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
  RSA0037138  Diplacus mephiticus L. P. Janeway 2014-7-30 11566 Plumas Northern High Sierra Nevada. Plumas National Forest; 2.3 air-mi north of the Little Grass Valley Reservoir dam; near top of ridge above Road 22N27 0.6 km north of the major junction with the 94 road. 1765 Comment
  SJSU14464  Diplacus mephiticus N. A. Hopkins 1990-7-1 1623 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genesee Rd 1706 Comment
  CHSC88990  Disporum hookeri N. Mann; J. Sitts 1982-6-22 Plumas Plumas National Forest. On Oak Ridge. 701 Comment
  CAS-BOT-BC136101  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas In wet meadow in McRae Meadows, ca. 6 mi w of Mohawk 1889 Comment
  SEINET8552997  Dodecatheon alpinum M. J. Williams 1966-7-11 s.n. Plumas Near Luther ridge, above Johnsville. 2286 Comment
  UCSB45347  Dodecatheon hendersonii Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy. Comment
  CHSC33805  Downingia bacigalupii M. S. Taylor; M. Foster, M. McCollum 1981-6-23 3945 Plumas Tamelli Ranch, along North Fork Feather River, ca. 1/4 mi s of Hwy 70, ca. 1 mi w of Beckwourth. 1493 Comment
  UC167995  Downingia bacigalupii Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  POM98580  Downingia bacigalupii F. W. Peirson 1926-6-21 6802 Plumas Lake Almanor. Comment
  SJSU14214  Downingia bicornuta N. A. Hopkins 1989-5-27 1496 Plumas by Marble Hot Springs Rd c. 0.25 E of Sattley- Beckwourth Rd 1524 Comment
  CDA24829  Draba verna J. Budaj 1969-4-9 Plumas In horse paddock areas, county fairgrounds, Quincy. 0 Comment
  JEPS115204  Draperia systyla Lowell Ahart, John Dittes 2009-7-15 16100 Plumas On broken rock, northeast of the power line, on the east side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  UC335430  Draperia systyla unknown 1889-1 Plumas Tefft's ranch Comment
  UCD99508  Drosera anglica Barry Rice 2009-7-4 BR 090701 Plumas southwest of Longville. Comment
  CHSC66758  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8174 Plumas Northern High Sierra Nevada. Near Bucks Summit on ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  SBBG30504  Drosera rotundifolia D. Myrick 1968-6-18 1943 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  UC608847  Drosera rotundifolia Beryl O. Schreiber 1938-7-10 2532 Plumas near Meadow Valley (stagnant pond); Plumas National Forest, Bidwell Bar Quadrangle, Grub Flat 1066 Comment
  CAS-BOT-BC143433  Drymocallis lactea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54395 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  CAS-BOT-BC159305  Drymocallis lactea var. lactea Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) - Sierra Nevada 2046 Comment
  CHSC94994  Dysphania botrys Lowell Ahart 2006-10-23 13472 Plumas On the east 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
  JEPS102826  Elatine chilensis Lowell Ahart 2001-8-29 9232 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  UCD108055  Eleocharis acicularis Tim Kuhn 2006-6-22 87 Plumas near Bagley Pass. Comment
  UC1133524  Eleocharis bella E. Sawyer 1935-6-27 207 Plumas 1524 Comment
  CHSC40665  Eleocharis engelmannii Lowell Ahart 1985-9-26 5187 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
  UCD49722  Eleocharis engelmannii G. F. Hrusa 1992-10-8 10494 Plumas Mud flats at northeast corner of Snake Lake. Immediate end of vehicle access road. 1219 Comment
  CAS-BOT-BC113397  Eleocharis engelmannii var. detonsa John Thomas Howell 1951-8-20 28212 Plumas Genessee 1127 Comment
  CHSC53555  Eleocharis macrostachya Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  CHSC78742  Eleocharis obtusa Jim Battagin 2000-6-9 Plumas Feather River College. 1045 Comment
  RSA52941  Eleocharis obtusa var. engelmannii R. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville. 1098 Comment
  CAS-BOT-BC112081  Eleocharis quinqueflora Clarence Roy Quick 1945-7-20 45 -61 Plumas USFD fenced pasture, Deanes Valley, SE of Meadow Valley. Comment
  RSA715926  Eleocharis quinqueflora L. Ahart 2000-5-21 8384 Plumas About 200 feet northwest of the pond, Butterfly Valley, about 5 miles (air) northwest of Quincy 1006 Comment
  CAS-BOT-BC112045  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1672 Plumas In Sweetwater Meadow. 1127 Comment
  CHSC78570  Eleocharis torticulmis L. P. Janeway; Linnea Hanson, Jerold Hustafa, Jim Battagin 2000-9-13 6969 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  JEPS111102  Eleocharis torticulmis L. P. Janeway, Linnea Hanson, Jerold Hustafa, Jim Battagin 2000-9-13 6969 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  SEINET3153457  Eleocharis torticulmis L. P. Janeway, B. Castro 2000-7-3 6876 Plumas Northern High Sierra Nevada; head of small drainage to East Branch North Fork Feather River from the southeast, vicinity of Paxton; about 1.1 km north of Butterfly Valley Botanical Area 1189 Comment
  SEINET4965096  Eleocharis torticulmis Unknown 2000-7-3 6874 Plumas Plumas County, Crescent Mills quad; Northern High Sierra Nevada, Butterfly Valley Botanical Area: Sweetwater Meadow Comment
  CHSC36999  Elodea nuttallii M. S. Taylor 1982-8-10 4955 Plumas In s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CHSC21817  Elymus F. T. Griggs; A. Pass 1975-7-12 177 Plumas Bucks Lake. Comment
  SEINET10863864  Elymus William E. Harmon 1969-8-18 Harmon 1562 Plumas Roadcut in open pine forest. 2 mi NE of Blairsden. Comment
  CAS-BOT-BC227723  Elymus elymoides John Thomas Howell 1955-7-19 30780 A Plumas Beckwourth 1493 Comment
  CAS-BOT-BC227732  Elymus elymoides L. P. Janeway 1989-6-23 3390 Plumas Beckwourth Ranger District, Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east 1874 Comment
  RSA95477  Elymus elymoides L. S. Rose 1954-5-30 54079 Plumas Beckwourth. 1524 Comment
  RSA2501309  Elymus glaucus J. T. Howell 1960-7-18 35598 Plumas Lassen Volcanic National Park; Meadow near bath house, Drakesbad 1677 Comment
  UC1024696  Elymus glaucus Leo Whitney 1934-8-19 2149 Plumas Grizzly Ridge Plumas National Forest 2133 Comment
  UCD62325  Elymus glaucus John Thomas Howell 20-23 Jun 1977 52414 Plumas On the peninsula of Lake Almanor. 1371 Comment
  SEINET10554238  Elymus glaucus Willis L. Jepson 1939-8-8 Jepson 19354 Plumas In margin of forest in dry flat. Meadow Valley. 1463 Comment
  CAS-BOT-BC206503  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 Plumas Canyon of Butterfly Creek - Sierra Nevada` 1036 Comment
  CAS-BOT-BC206523  Elymus glaucus subsp. glaucus W. Harnach; N. Harnach 1990-6-27 419 Plumas Ramelli Ranch (USFS), so of R/R 1508 Comment
  CHSC102702  Elymus glaucus subsp. glaucus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16119 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 ft northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  UCD62471  Elymus multisetus R. Tofsrud 1948-7-1 Plumas Quincy. Comment
  RSA299170  Elymus repens J. T. Howell 1959-9-25 35036 Plumas Quincy 1037 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
  CAS-BOT-BC392226  Enemion stipitatum Vesta Holt 1935-3-19 s.n. Plumas Near Quincy Comment
  CAS-BOT-BC165930  Epilobium John Thomas Howell 1959-9-26 35076 Plumas 3.2 mi. w. of Belden Comment
  JEPS113469  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
  JEPS114516  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 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 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS115785  Epilobium campestre Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15875 Plumas About 1600 feet southwest of Lake Almanor Dam, in depressions made from mining 1386 Comment
  CAS-BOT-BC171722  Epilobium canum subsp. latifolium H. Albert Barker 1926-7-11 111 Plumas Blairsden - Gold Lake Grade 1676 Comment
  RSA60131  Epilobium canum subsp. latifolium E. K. Balls 1950-9-5 15674 Plumas 1 mile off Highway 24 on La Porte Road, between Quincy and Ramelli, Thompson Valley 1159 Comment
  RSA718159  Epilobium canum subsp. latifolium L. Ahart 2006-10-23 13497 Plumas On the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mi. northeast of Scales Road., About 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  UC337279  Epilobium canum subsp. latifolium unknown Sept. 1874 Plumas Comment
  UC572309  Epilobium canum subsp. latifolium C. G. Albertus 1935-7-20 207 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle 1310 Comment
  RSA754369  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2009-7-27 16180 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  JEPS108979  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  RSA718938  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-10-8 13396 Plumas West side of Chips Creek, just south of the bridge on Highway 70, about 1.25 miles southwest of Belden. 715 Comment
  RSA755447  Epilobium ciliatum subsp. glandulosum L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16148 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
  CHSC75925  Epilobium densiflorum G. F. Hrusa 1996-8-2 13439 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Above Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  RSA0105471  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2014-8-26 19796 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  CHSC80842  Epilobium hallianum Lowell Ahart 2001-7-17 8921 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
  JEPS87820  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas about 0.5 mi e Mount Etna (on s side of Pacific Crest Trail); Sierra Nevada, Mount Etna 1981 Comment
  CHSC89325  Epilobium minutum G. D. Barbe; T. C. Fuller 1982-6-17 3855 Plumas Northern California. Plumas National Forest. East shore of Frenchman Lake; Crystal Fishing Access. Arm of the lake at the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  UC1191746  Epilobium torreyi Malcolm A. Nobs, S. Galen Smith 1949-8-19 1463 a Plumas pond on se side Portola Comment
  CHSC54332  Epipactis gigantea Vernon H. Oswald; Lowell Ahart 1991-6-18 4685 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
  CAS-BOT-BC58025  Equisetum John Thomas Howell 1967-6-22 42648 Plumas Sierra Nevada, Rock Creek Power House, Canyon of the Feather River North Fork. 548 Comment
  SFV11561  Equisetum M. L. Vincent 1967-7-1 s. n. Plumas 2 miles from entrance of Caribou Road. Comment
  CAS-BOT-BC57895  Equisetum X ferrissii John Thomas Howell 1959-9-21 34761 Plumas N. Fk. Feather River near Belden. 701 Comment
  CHSC33938  Equisetum arvense M. S. Taylor 1981-7-21 4088 Plumas Ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. 1371 Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  JEPS88065  Equisetum arvense Lowell Ahart 1995-6-28 7686 Plumas ca. 5 mi (air) n of La Porte (ca. 1 mi ne Little Grass Valley Reservoir, ca. 1/2 mi sw of Feather Fork Mine); S. Fork Feather River 1828 Comment
  CHSC34294  Equisetum hyemale subsp. affine M. S. Taylor 1981-8-19 4224 Plumas 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat. 1341 Comment
  SEINET10899881  Equisetum hyemale subsp. affine Mary Susan Taylor 1981-8-19 Taylor 4224 Plumas California: T23N R11E nw 1/4 of se 1/4 sec 18. Blue Nose Mt quad. Along creek, 0.1 mi W of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  JEPS113779  Equisetum laevigatum Lowell Ahart, John Dittes 2007-6-16 14148 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC57395  Equisetum laevigatum John Thomas Howell 1951-6-29 27742 Plumas Near Spring Garden 1219 Comment
  POM186455  Equisetum laevigatum D. D. Keck 1675 Plumas At bridge over Spanish Creek. Quincy, in the northern Sierra Nevada. 1067 Comment
  CAS-BOT-BC174154  Eremogone aculeata John Thomas Howell 1951-6-28 27689 Plumas Eureka Peak 2133 Comment
  CHSC98308  Eremogone aculeata L. P. Janeway 2007-6-3 9003 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
  SEINET5336834  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  UC1948763 Image available Eremogone cliftonii Richard K. Rabeler with L. P. Janeway, L. Hanson, L. Ahart 2005-4-20 1473 Plumas N side of CA 70, 0.5 km E of Chambers Creek, 20.8 km NE of Cresta Powerhouse, Plumas National Forest 622 Comment
  UCSB63565  Eremogone congesta Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; adjacent to Indian Creek; 400 m. S of Hwy. 70; ca. 2 mi. SW of Cresent: T26N R9E SW1/4 SW1/4 Sect. 25 Comment
  CHSC75487  Eremogone congesta var. congesta G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3098 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC174297  Eremogone congesta var. suffrutescens Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Indian Valley Comment
  CAS-BOT-BC286664  Ericameria bloomeri Lowell Ahart 1980-8-27 2591 Plumas Sutter Buttes Area. Near Little Grass Valley Res., about 6 miles north of La Porte 1800 Comment
  JEPS113438  Ericameria bloomeri Lowell Ahart, John Dittes 2007-8-9 14432 Plumas Along the west side of the poor road, south slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA59448  Ericameria bloomeri E. K. Balls 1950-9-2 15658 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  UC204684  Ericameria bloomeri I. M. Johnston 1919-9-2 2185 Plumas Portola Comment
  SBBG128754  Ericameria bloomeri L. Ahart 2008-8-14 15199 Plumas 20 yards NW of the metal gate, W side of Forest Rd 22N68, ca. 50 yards W of the S Fork of the Feather River, ca. 0.5 mi NE of Little Grass Valley Reservoir, ca. 5 mi (air) NE of La Porte 1571 Comment
  UC1777684  Ericameria linearifolia June McCaskill 1956-1 422 Plumas Lake Almanor region? Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  JEPS113320  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. Comment
  UC1119836  Ericameria nauseosa var. speciosa E. Nourse 1934-9-4 24 Plumas 2 1/2 mi ssw of Quincy; Plumas National Forest, Downieville Quad. 1828 Comment
  JEPS102641  Ericameria parryi var. latior Lowell Ahart 2001-8-28 9186 Plumas Along the sides of the dirt roads, along road C - Line of Roseburg Resources Company, 1/8 mile south of Highway 36 and 89 at sign of Roseburg Lumber Company, Almanor Tree Farm, A Producing Forest, about 5 miles (air) SW of Chester. 1402 Comment
  JEPS95180  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas 1.6 mi s of Last Chance Campground (Forest Road 29N11 on e side of Last Chance Marsh at the n end of Lake Almanor); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  UC204683  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2184 Plumas Keddie Comment
  RSA129818  Ericameria suffruticosa C. G. Albertus 1935-8-13 264 Plumas Mt. Ingalls 2554 Comment
  CAS-BOT-BC293517  Erigeron annuus David D. Keck 1932-7-3 1691 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC294470  Erigeron bloomeri var. bloomeri Matt Lavin 1983-6-2 s.n. Plumas Sierra Nevada just S of Vinton 1524 Comment
  CHSC81095  Erigeron canadensis Lowell Ahart 2001-8-28 9222 Plumas Strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC57413  Erigeron divergens L. P. Janeway 1991-6-18 4050 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 100 ft west of Middle Fork Feather River. Along dirt road. 1463 Comment
  CAS-BOT-BC296007  Erigeron divergens L. P. Janeway 1991-6-18 4050 Plumas 3 1/2 mi southwest of Portola ca 100 ft. west of Middle Fork Feather River, Plumas National Forest, Beckwourth Range District, Clio Compartment 1463 Comment
  CAS-BOT-BC296008  Erigeron divergens David D. Keck 1932-7-3 1623 Plumas North of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC300399  Erigeron eatonii var. plantagineus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  OBI50214  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas W side of ridge between Diamond Mt and Red rocks, ca 8 airmiles S of Susanville; stem slope near snowbank above meadow, T28N R11E sec 11 NE1/4 2225 Comment
  SEINET8667231 Image available Erigeron eatonii var. plantagineus A. A. Heller, P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover valley Comment
  SEINET8667278 Image available Erigeron filifolius W. Harnach, N. Harnach 1990-6-13 370 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS). 1487 Comment
  UC1118192  Erigeron glacialis var. glacialis F. W. Embree 1934-6-6 62 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle,Three Lakes 1889 Comment
  CAS-BOT-BC300834  Erigeron glacialis var. glacialis Ella Dales Cantelow 1941-7-20 3515 Plumas 10 mi. s. of Quincy rd to La Porte 1981 Comment
  JEPS16621  Erigeron glacialis var. glacialis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3950 Plumas about 1.5 mi n Sierra County border (meadow at end of road and beginning of trail to Long Lake); Mt. Elwell region 1981 Comment
  SD51228  Erigeron inornatus Darley F. Howe 1960-9-21 2992 Plumas 6.0 miles north of Greenville on Highway 89. 1220 Comment
  JEPS87536  Erigeron inornatus var. inornatus Lowell Ahart 1993-9-24 7266 Plumas e side of Cleghorn Bar Road near Monitor Flat (about 3 mi nw of Pilot Peak) 1828 Comment
  JEPS41434  Erigeron inornatus var. inornatus J. G. Lemmon 1046 Plumas near Greenville Comment
  SD134031  Erigeron lassenianus John Thomas Howell 1967-7-11 43278 Plumas 2 miles from Quincy Junction on road to Mt. Hough. 1220 Comment
  SEINET8667606 Image available Erigeron lassenianus A. A. Heller, P. B. Kennedy 1907-7-3 8704 Plumas Hills above Rec Clover valley Comment
  CAS-BOT-BC295493  Erigeron lassenianus var. lassenianus Lewis S. Rose 1939-6-8 39264 Plumas S. end of Lake Almanor 1371 Comment
  CHSC60070  Erigeron lassenianus var. lassenianus L. P. Janeway 1992-6-8 4224 Plumas Plumas National Forest. About 0.3 mi south of Hwy 70/89 at Lee Summit. 1359 Comment
  CHSC98247  Erigeron petrophilus var. sierrensis Allison Sanger 2003-7-23 Plumas Along Yellow Creek Road (26N26) within Storrie Fire area, about 4 air miles south of Yellow Creek Campground and 16 miles south of Chester. 1280 Comment
  CHSC98710  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9189 Plumas Northern High Sierra Nevada. Above Road 24N31 about 0.8 air km east of Little Schneider Creek. 1402 Comment
  CHSC81100  Erigeron pumilus var. intermedius Lowell Ahart 2001-8-29 9234 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC216231  Eriodictyon californicum Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  UCD119306  Eriodictyon lobbii G. F. Hrusa 1989-6-25 7195 Plumas Above Bucks Lake. 2286 Comment
  CAS-BOT-BC256169  Eriogonum douglasii var. meridionale A. A. Heller; P. B. Kennedy 1907-7-4 8717 Plumas Ridge east of Red Clover Valley Comment
  SEINET5332437 Image available Eriogonum douglasii var. meridionale J. L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat west of highway, 11.9 air miles NNW of Beckwourth. 1707 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
  CHSC41114  Eriogonum elatum var. villosum J. D. Jokerst 1984-7-10 2090 Plumas Canyon of Indian Creek between creek and Indian Cr. Road, east of Rattlesnake Ravine. 1249 Comment
  CAS-BOT-BC259354  Eriogonum lobbii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  RSA766341  Eriogonum marifolium Joseph A. Ewan 1934-7-16 8523 Plumas Mt. Elwell trail above Long Lake. Sierra Nevada. 2073 Comment
  UC1032141  Eriogonum marifolium E. Sawyer 1935-6-25 149 Plumas 1 1/2 mi ssw Crow; Plumas National Forest, Sierraville Quadrangle 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-BC268692  Eriogonum microthecum var. laxiflorum M. S. Taylor 1982-9-1 5084 Plumas Red Rock Lookout, ca. 15 mi ne of Taylorsville 2321 Comment
  CHSC34735  Eriogonum nudum var. deductum M. S. Taylor 1981-7-6 3978 Plumas In the Y of Ross Canyon Rds A and B, ca. 1.5 mi e of Dixie Valley Rd, ca. 16 air mi nw of Chilcoot. 1920 Comment
  CHSC40250  Eriogonum nudum var. deductum K. R. Stern 1985-6-25 8257 Plumas Vic. Blairsden. 1371 Comment
  CHSC40993  Eriogonum nudum var. deductum J. D. Jokerst 1984-7-11 2101 Plumas First ridge W. of Ward Creek (ridgecrest). South of Genesee Valley. 1612 Comment
  CAS-BOT-BC261364  Eriogonum nudum var. deductum Anna Head 1920-7-23 s.n. Plumas Slope of Mt. Ellwell [Elwell], Feather River Region 2133 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
  CHSC82554  Eriogonum nudum var. nudum Lowell Ahart 2002-7-18 9858 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
  CHSC93101  Eriogonum nudum var. nudum L. P. Janeway 1994-7-8 4690 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  RSA766359  Eriogonum nudum var. nudum Joseph A. Ewan 1934-7-6 8179 Plumas Penman Peak, above Mohawk Valley. 1372 Comment
  UCD100552  Eriogonum nudum var. oblongifolium K. L. Olsen 1949-7-31 25 - Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  CAS-BOT-BC269731  Eriogonum nudum var. oblongifolium James L. Reveal 1971-6-23 2469 Plumas Along California Highway 70 and 89, 2.2 miles north of Keede and about 1 mile north of the bridge over Spanish Creek 914 Comment
  CHSC21022  Eriogonum nudum var. pubiflorum F. T. Griggs; A. Pass 1975-7-10 137 Plumas Buck's Lake. Comment
  RSA59908  Eriogonum nudum var. pubiflorum E. K. Balls 1950-9-14 15823 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC269948  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Slopes of Mt. Elwell, Lakes Basin Area 2225 Comment
  POM161746  Eriogonum spergulinum var. reddingianum R. C. Bacigalupi 1927-7-11 1708 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  CAS-BOT-BC269960  Eriogonum spergulinum var. reddingianum Herbert L. Mason 1924-6-20 1080 Plumas Between Gold Lake & Bear Lake Comment
  POM147046  Eriogonum spergulinum var. reddingianum Alice Eastwood 1927-06 14888 Plumas On road from Chilcott, United States Forest Reserve Comment
  RSA242159  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Plumas Along California Highway 89, 4 mi. northwest of Greenville and about 4 mi. southeast of Canyondam. 1220 Comment
  SEINET5331559  Eriogonum spergulinum var. reddingianum A. A. Heller, B. B. Kennedy 1907-7-11 8801 Plumas Prattville. Comment
  CAS-BOT-BC262747  Eriogonum strictum var. anserinum A. A. Heller; P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC262748  Eriogonum strictum var. anserinum A. A. Heller; P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC262780  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-23 3380 Plumas Beckwourth Ranger District, Plumas National Forest. Upper w-facing slope in ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  CAS-BOT-BC267495  Eriogonum umbellatum L. P. Janeway 1992-7-8 4249 Plumas Plumas National Forest, Beckwourth Ranger District. 0.15 mi south of Beckwourth-Genesee Road, 0.7 mi northwest of Clover Valley Ranch 1676 Comment
  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
  CHSC40927  Eriogonum umbellatum var. modocense K. R. Stern 1985-6-25 8210 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC60547  Eriogonum umbellatum var. modocense L. P. Janeway 1992-7-8 4249 Plumas 0.15 mi south of Beckwourth-Genesee road, 0.7 mi northwest of Clover Valley Ranch. Plumas National Forest Beckwourth Ranger District Crocker Compartment. 1676 Comment
  RSA0118777  Eriogonum umbellatum var. modocense Lawrence P. Janeway 2012-7-17 10945 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  UC565908  Eriogonum umbellatum var. modocense D. Axelrod 1934-6-9 30 Plumas 2 mi nw Lexington; Bidwell Bar Quadrangle 1767 Comment
  CHSC39992  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-8-31 5081 Plumas Summit of Kettle Rock Lookout, just s of Taylor Lake ca. 6 air mi ne of Taylorsville. 2383 Comment
  CHSC39997  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-28 4776 A Plumas On s side of Feather River, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi sw of Beckwourth. 1487 Comment
  UCD101378  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas summit ridge of Thompson Peak, in areas of volcniac rock, Diamond Range. 2194 Comment
  SEINET10479559  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-18 Taylor 5011 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
  CHSC71650  Eriogonum umbellatum var. polyanthum Vernon H. Oswald; Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Hwy. west of Meadow Valley, 0.1 mi west of Silver Lake Rd. 1158 Comment
  JEPS114174  Eriogonum umbellatum var. speciosum L. P. Janeway 2001-8-5 7420 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). Comment
  CAS-BOT-BC262242  Eriogonum ursinum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region 1981 Comment
  CAS-BOT-BC262255  Eriogonum ursinum Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  RSA88594  Eriogonum ursinum J. T. Howell 1951-6-27 27630 Plumas Jamison Creek 1829 Comment
  SBBG18310  Eriogonum ursinum C. B. Hardham 1961-6-15 7420 Plumas Engel Mine 1828 Comment
  UC54220  Eriogonum ursinum H. M. Hall and E. B. Babcock July 1903 4443 Plumas Genessee Valley Sierra Nevada Mountains, Genessee Valley 1097 Comment
  CAS-BOT-BC262264  Eriogonum ursinum Margaret Williams; Emily McPherson 1974-8-5 74 -P-13 Plumas Above Silver Lake on trail to Mt. Elwell, Lakes Basin 2164 Comment
  RSA165449  Eriogonum ursinum Clare B. Hardham 1961-6-16 7420 Plumas Engelmine 1829 Comment
  SEINET10479583  Eriogonum ursinum Mary Susan Taylor 1982-8-4 Taylor 4914 Plumas T25N R10E sw sec 23. Greenville SE quad. Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy. Dry gravelly soil in Mixed Evergreen Forest. Comment
  SEINET11924837  Eriogonum ursinum Unknown 1979-1 2003 Plumas Bear Valley, about 1 mi W of Pilot Peak, about 12 mi NE of La Porte, Red Fir Forest 1707 Comment
  UC726564  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas plain 3 mi e Quincy 1097 Comment
  CHSC118364  Eriogonum ursinum var. erubescens Dean Wm. Taylor 2012-7-18 21271 Plumas Flora of the Cascade Ranges SPI forestry division - rare plant program. Western flank Dyer Mountain, along logging roads ca 1 mile E of eastern shore of Lake Almanor; 1508 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
  UC54212  Eriogonum vimineum H. M. Hall and E. B. Babcock July, 1903 4450 Plumas Red Clover Canyon Sierra Nevada Mountains, Red Clover Canyon 1524 Comment
  CAS-BOT-BC264134  Eriogonum vimineum John Thomas Howell 1959-9-26 35079 Plumas 5 mi. NE of Storrie, Sierra Nevada 609 Comment
  RSA184933  Eriogonum vimineum L. S. Rose 1966-7-26 66046 Plumas Injun Jum Camp near Belden Open dry slopes 671 Comment
  SEINET5332217  Eriogonum vimineum J. 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. 876 Comment
  CHSC54425  Eriophorum gracile Vernon H. Oswald 1991-7-17 4746 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
  LA203596  Eriophyllum lanatum Lincoln Constance; 1933-7-5 E 116 Plumas 1 mi. W of Keddie Comment
  UC298459  Eriophyllum lanatum var. grandiflorum A. A. Heller 1913-6-13 10855 Plumas near Quincy 1066 Comment
  CHSC48158  Eriophyllum lanatum var. integrifolium Vernon Oswald 1986-7-10 2188 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC62410  Eryngium alismifolium L. P. Janeway 1993-8-19 4530 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River ca 1.3 mi west of Beckwourth. 1485 Comment
  RSA101768  Eryngium yuccifolium Ames 1876-1 s.n. Plumas [Unspecified] Comment
  CAS-BOT-BC54327  Erysimum capitatum John Thomas Howell; Gordon H. True 1967-5-9 42209 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  SEINET10970606  Erysimum capitatum Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-5 Conrad 7054 Plumas On loose rorocky, north-facing roadside bank, 5.2 mi. W. Of jct. Of hwy 70 and meadow valley rd in quincy. 1219 Comment
  CAS-BOT-BC55102  Erysimum perenne Anna Head 1921-7-3 s.n. Plumas Feather River Region. Lake Center Camp. 1920 Comment
  CHSC107462  Erythranthe breweri Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-7-6 20 Plumas Northern High Sierra Nevada. 1.9 miles East of intersection of 22N60, 22N27, and Pacific Crest Trail, 500 ft downslope of 22N27 road. 1744 Comment
  CHSC21722  Erythranthe breweri F. T. Griggs; A. Pass 1975-7-23 232 Plumas Cape Lake. Comment
  CHSC9725  Erythranthe cardinalis Nancy Mosman 1971-7-11 94 Plumas Along w. side of Hwy 70 ca. 3.2 mi s of Belden. 1025 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
  SEINET14291740  Erythranthe guttata A. A. Heller, P. B. Kennedy 1907-7-11 8794 Plumas Sierra Nevada, Prattville. Comment
  CHSC21567  Erythranthe lewisii L. M. Mayer; D. E. Brink Jr. 1975-7-22 Plumas Bucks Lake Floristic Survey. Comment
  CHSC66771  Erythranthe lewisii Vernon H. Oswald; Lowell Ahart 1996-8-14 8166 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Northern High Sierra Nevada. 1645 Comment
  SD61134  Erythranthe lewisii Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest 1981 Comment
  CAS-BOT-BC153616  Erythranthe moniliformis M. Lavin 1982-6-27 4150 Plumas Sierra Buttes Country 4 mi up Gold Lake Rd from Graeagle, 12 mi. 250 deg. from Portola 1981 Comment
  CHSC21024  Erythranthe primuloides F. T. Griggs; A. Pass 1975-7-10 135 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET14374589  Erythranthe primuloides H. Hamlin s.n. Plumas Sierra Valley. Comment
  CHSC20740  Erythranthe pulsiferae K. R. Stern 1975-7-25 5878 Plumas N shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC293715  Erythranthe suksdorfii Mona Bourell; Bob Patterson 1982-5-15 1736 Plumas Beckworth Comment
  CHSC111851  Erythronium purpurascens L. P. Janeway 2014-5-7 11241 Plumas Northern High Sierra Nevada. Plumas National Forest; east edge of Granite Basin; just above Buckhorn Creek, just up from the 18 Road (23N18) crossing; 2.4 air-km southwest of top of Red Moun-tain. 1610 Comment
  CHSC63974  Erythronium purpurascens B. Castro; L. Gehrung 1994-6-6 514 Plumas Ca 1.5 mi S of the Hogback, 0.6 mi NNW of Onion Valley Res, immediately E of County Rd. 511. At edge of access road to Fingerboard Pit (mine site), on E-facing slopes of Washington Hill. 1965 Comment
  CAS-BOT-BC505256  Erythronium purpurascens L. W. Swift 1933-5-4 80 Plumas Trio Mill, Plumas Forest 1280 Comment
  RSA113224  Erythronium purpurascens E. K. Balls, Lee W. Lenz 1955-5-14 20706 Plumas Forest Lodge just SW of Greenville. 1128 Comment
  SEINET10971604  Erythronium purpurascens Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4336 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CAS-BOT-BC403353  Eschscholzia californica Alice Eastwood 1918-5-25 7052 Plumas Portola Comment
  RSA60218  Eschscholzia californica subsp. californica E. K. Balls 1950-9-6 15692 Plumas 3.1 miles E of turn to Sloat, Hwy 24, between Quincy and Portola. 1250 Comment
  SEINET8770667  Eschscholzia californica subsp. mexicana W. Harnach, N. Harnach 1990-6-16 392 Plumas Sierra Valley, N of Vinton, Frank Dotta Ranch. 1524 Comment
  POM147050  Eschscholzia californica var. crocea Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve, on road from Chilcott Comment
  CAS-BOT-BC310379  Eucephalus breweri Anna Head 1921-7-27 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC310382  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  JEPS113432  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
  UC1557888  Eucephalus breweri J. Semple, S. Heard 1986-8-13 847 Plumas 2 mi e, (LaPorte Rd., at turnoff to Quincy) La Porte Comment
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  JEPS117159  Eurybia integrifolia Lowell Ahart 2010-10-21 17305 Plumas About 100 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  CAS-BOT-BC310593  Eurybia radulina John Thomas Howell 1961-9-23 36817 Plumas Greenville 1088 Comment
  JEPS98999  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1365 Comment
  POM312331  Euthamia occidentalis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1455 Plumas Marshy pond on SE side of Portola Comment
  CAS-BOT-BC413897  Fallopia convolvulus Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville 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
  JEPS69234  Festuca californica W. L. Jepson 1924-7-24 10632 Plumas Deadmans Spring Middle Fork Feather River Comment
  JEPS102464  Festuca idahoensis Lowell Ahart 2001-7-19 8953 Plumas On a sand bar, on the east side of Hopkins Creek, about 100 yards NW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  CAS-BOT-BC278846  Festuca occidentalis John Thomas Howell 1962-6-17 37681 Plumas Butterfly Valley 1036 Comment
  CHSC102710  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16154 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  JEPS113663  Festuca subulata Lowell Ahart, Josephine Guardino 2007-7-20 14322 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CDA14002  Festuca viridula G. F. Hrusa, T. D. Wilfred 1997-6-26 13919 Plumas Sierra Nevada; Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Common throughout, one of the dominants. Perennial, bunching. Comment
  CHSC33626  Floerkea proserpinacoides M. S. Taylor; M. Foster 1981-6-3 3834 Plumas Meadow, s side of rd 24N61, ca. 1.5 mi s of Little Summit Lake, ca. 10 mi nw of Portola. 2103 Comment
  CAS-BOT-BC459441  Fragaria virginiana subsp. platypetala A. A. Heller; B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  SEINET10483133  Fragaria virginiana var. platypetala Mary Susan Taylor 1982-6-2 Taylor 4594 Plumas T23N R12E ne/ne sec 21. Johnsville quad. Along Jackson Creek 0.5 mi s of jct of Jackson Creek and 23N48 & 23N83, ca. 5 air mi n of Mohawk, ca. 1 air mi ne of Mt Jackson. 5900 ft. 1798 Comment
  UCD112555  Frangula californica Robbins; Raynor 1943-6-1 s.n. Plumas near Belden, Feather River Canyon. Comment
  CAS-BOT-BC55665  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas E side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC55676  Frangula purshiana Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC55686  Frangula purshiana John Thomas Howell 1959-9-21 34741 Plumas Belden 701 Comment
  SEINET11248002  Frangula purshiana M. J. Williams, B. Alrson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville. Comment
  HSC104000  Frangula purshiana subsp. annonifolia L. Ahart 2012-7-1 18255 Plumas About 4 air mi. NE of Belden, ~ 200 yds. NW of Caribou Rd., along the creek 834 Comment
  HSC99897  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-13 12053 Plumas Plumas National Forest, near pond. 1677 Comment
  CHSC98926  Frangula purshiana subsp. ultramafica L. P. Janeway; B. Castro 2007-8-18 9196 Plumas Northern High Sierra Nevada. Along Caribou Road and North Fork Feather River 6.6 road km north of Hwy 70. Near and next to a rocky spring above the road. 796 Comment
  UCD113131  Frangula rubra E. W. Jameson 1949-8-7 s.n. Plumas one mile northeast of Quincy. 1066 Comment
  CHSC70275  Frangula rubra subsp. obtusissima B. Castro 1989-8-3 339 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18. 1828 Comment
  UC1134599  Fritillaria atropurpurea E. Sawyer 1935-6-27 193 Plumas 1.6 mi ene of Grizzly Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  JEPS61889  Fritillaria atropurpurea John Warren Duffield 1937-5-23 Plumas road to Bear Creek Ranger Station (above Meadow Valley) Comment
  CAS-BOT-BC505325  Fritillaria micrantha Alice Eastwood 1927-6-1 14533 Plumas United States Forest Reserve, Forest Lodge, Greenville Comment
  SEINET8480221  Fritillaria recurva A. Miller 1933-5-30 2091 Plumas [Red] Clover Creek, near Beckwith [sic]. Comment
  CHSC21706  Galium F. T. Griggs; A. Pass 1975-7-2 61 Plumas Buck's Lake Forest Service Survey. Comment
  SDSU9316  Galium asperrimum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River, 0.5 mile north of Chester. Comment
  CHSC87643  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10916 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy. 1940 Comment
  CHSC102119  Galium bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam. 1591 Comment
  CHSC40862  Galium bolanderi K. R. Stern 1985-6-25 8246 Plumas Vicinity of Blairsden. 1402 Comment
  UC224156  Galium mexicanum var. asperulum H. E. Brown Aug 15 1897-Aug 31 1897 670 Plumas near Lassen Buttes 1828 Comment
  JEPS29544  Galium trifidum var. pacificum John Thomas Howell 1960-7-18 35519 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  RSA0105477  Galium trifidum var. subbiflorum Lowell Ahart 2014-8-31 19820 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  SEINET10968825  Galium trifidum var. subbiflorum Lowell Ahart 1985-7-3 Ahart 5104 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CHSC100041  Galium triflorum Lowell Ahart 2008-7-16 15104 Plumas On the east side of a small meadow (swamp) about 10 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
  JEPS122315  Galium triflorum Lowell Ahart 2014-8-31 19819 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  SD71034  Galium triflorum Walter Knight, Irja Knight, John Thomas Howell 1966-7-27 1556 Plumas slope near mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC144397  Garrya fremontii John Thomas Howell 1959-9-21 34780 Plumas N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC144398  Garrya fremontii R. F. Thorne; C. W. Tilforth 1969-9-6 39220 Plumas Yellow pine forest c. 2.5 mi. S of Graeagle on Gold Lake Road 1645 Comment
  CAS-BOT-BC169853  Garrya fremontii Mrs. Jos. Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CHSC51263  Garrya fremontii Lowell Ahart 1990-10-14 6633 Plumas Growing in dry soil along an improved road, about 1/8 mile south of Cleghorn Bar Road, about 2 1/2 (air) miles west of Finger Board. 1767 Comment
  UC1122698  Garrya fremontii G. T. Nordstrom 1934-7-9 200 Plumas 0.75 mi sw Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  UC54498  Garrya fremontii H. M. Hall and E. B. Babcock Jul 1903 4439 Plumas Indian Creek; Sierra Nevada Mountains 1097 Comment
  CHSC56862  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1991-8-3 4117 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  CHSC84460  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2003-8-8 10487 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  SJSU13927  Gayophytum diffusum subsp. parviflorum N. A. Hopkins 1985-8-27 1321 Plumas Grass Lake 1786 Comment
  CHSC80844  Gayophytum heterozygum Lowell Ahart 2001-7-17 8920 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC24224  Gayophytum humile D. Brink; L. Mayer 1975-7-3 Plumas Buck's Lake. Comment
  SEINET3150047  Gayophytum nuttallii var. intermedium E. K. Balls 1950-9-6 15694 Plumas 3.1 mi. E of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  CHSC115920  Gentiana calycosa L. P. Janeway 2015-8-16 11837 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  JEPS91320  Gentianopsis simplex Dean W. Taylor 1974-10-1 5053 Plumas Jamison Creek Drainage, above Jamison Lake drainage, ca 3 mi S of Plumas-Eureka State park 609 Comment
  CHSC35282  Geum macrophyllum M. S. Taylor; M. Foster 1981-7-6 3970 Plumas Roadside and meadow along Grigsby Creek, ca. 1 mi w of n tip of Frenchman Lake, ca. 13 air mi nw of Chilcoot. 1798 Comment
  JEPS95337  Geum macrophyllum Lowell Ahart 1994-6-17 7352 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CAS-BOT-BC459559  Geum macrophyllum Lowell Ahart 1976-7-7 s.n. Plumas At camp on Cold Water Creek; Sierra Nevada 1524 Comment
  CHSC57448  Geum triflorum L. P. Janeway; Garrett Gibson 1991-6-24 4061 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  CHSC60491  Geum triflorum L. P. Janeway; Jannice Cutler 1992-5-21 4190 Plumas Plumas National Forest. East end of Dotta Neck in Dotta Canyon 4.0 mi southeast from the Beckwourth-Genesee Road. 1722 Comment
  RSA718441  Gilia capitata subsp. mediomontana L. Ahart 2006-7-9 12936 Plumas about 20 yards south of the paved basalt road, about 3 3/4 miles (air) nw of Tamarack Flat, about 5 3/4 miles (air) nw of Little Grass Valley Reservoir 1662 Comment
  SEINET10496742  Gilia capitata subsp. mediomontana Mary Susan Taylor 1982-5-27 Taylor 4544 Plumas T26N R9E nw/se sec 26. Greenville SW quad. E side of Dixie Canyon Rd (204), 0.5 mi n of its jct with Hwy 89 at Moccasin, s of Greenville. 3800 ft. 1158 Comment
  UC932069  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-6-13 8579 Plumas on Oroville Road 1 mi from Cascade (Lava Cap, southwestern Plumas County); Lava Cap, 1 mi from Cascade 1371 Comment
  CHSC41267  Gilia modocensis J. D. Jokerst 1984-5-13 2004 Plumas East end of Genesee Valley, Canyon of Indian Cr., N of creek and S of Indian Cr. Rd. 1249 Comment
  CAS-BOT-BC283875  Glyceria borealis John Thomas Howell; Gordon H. True 1967-7-9 43263 Plumas Meadow at Quincy 1036 Comment
  JEPS107730  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 12386 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
  HSC92446  Glyceria elata L. Ahart 1980-10-6 2670 Plumas S shore of small lake, 1/2 mi. W of Fowler Peak, 2 mi. N of Little Grass Valley Reservoir 1616 Comment
  JEPS28296  Glyceria elata George W. Gillett 1957-7-18 828 Plumas n shore Willow Lake; Lassen Volcanic National Park 1661 Comment
  CAS-BOT-BC307377  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC307384  Gnaphalium palustre Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1406 Plumas Pond reservoir to the southwest, Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC102136  Gnaphalium palustre Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16221 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS102796  Gnaphalium palustre Lowell Ahart 2001-9-18 9273 Plumas On the wet strand of the south end on the pond, Butterfly Valley, about 5 miles (air) NW of Quincy. 1104 Comment
  UC485800  Gnaphalium palustre H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET10832497  Gratiola neglecta Mary Susan Taylor 1982-8-27 Taylor 5057 Plumas T23N R14E nw/se sec 27. Portola quad. Ramelli Ranch, vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 4880 ft. 1487 Comment
  SEINET5709451 Image available Grindelia squarrosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7718 Plumas Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CAS-BOT-BC304684  Grindelia squarrosa L. P. Janeway 1992-8-6 4286 Plumas Along Hwy 70, on south side of East Branch Feather River at Soda Creek; 2.8 mi east of Crystal Springs, 4.6 mi east of Grays Flat 899 Comment
  CHSC97786  Grindelia squarrosa var. serrulata L. P. Janeway; B. Castro 2007-8-18 9205 Plumas Northern High Sierra Nevada. Along Hwy 70 0.4 km east of La Porte Road, along the north edge of Thompson Valley about 1.6 km east of East Quincy. 1059 Comment
  POM319012  Hackelia Patricia Wilder 1971-6-21 5120 Plumas Humbug-Humboldt Cross Road, 3.3 miles northwest of junction with Prattville-Butt Reservoir Road: southwest of California State Highway 89. 1524 Comment
  CAS-BOT-BC231132  Hackelia amethystina John Thomas Howell; Gordon H. True 1967-7-11 43354 Plumas SE slope of Mount Hough 2042 Comment
  CDA14584  Hackelia nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3068 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC21690  Hackelia nervosa D. Brink; L. Mayer 1975-7-8 Plumas Bucks Lake. Comment
  UCR244688  Hackelia nervosa J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54263 Plumas Sierra Nevada Mtns., C. 1.4 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy 1951 Comment
  RSA644032  Hackelia nervosa Elaine Joyal, D. Mehlman 1988-7-3 1306 Plumas Plumas National Forest, Mt. Hough, 11 mi. n of Quincy. 2000 Comment
  RSA235926  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-20 2071 Plumas 3.9 miles southeast of Hwy. jct. Calif. 70 & 80, at confluence of Spanish & Butterfly Creeks. 960 Comment
  CDA14679  Hastingsia alba G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3123 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 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
  CHSC91749  Helenium bigelovii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16277 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. In bog. 1158 Comment
  SEINET11196743 Image available Helenium bigelovii M. Williams 1966-7-11 s.n. Plumas Near Jamison Creek above Johnsville 1676 Comment
  SEINET11196751 Image available Helianthella californica W. Harnach 1990-6-19 397 Plumas SierraValley, Genesse Rd. N of Beckwourth 1585 Comment
  CAS-BOT-BC314724  Helianthella californica var. californica Thos. Harris 1969-6-1 s.n. Plumas West side of Lake Almanor 1402 Comment
  CHSC46672  Helianthus bolanderi Vernon H. Oswald 1988-8-5 3628 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  SD6703  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin Aug 1894 Plumas Banks of Pitt River above Alturas Comment
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May 14 2014
  CHSC107267  Hemizonella minima L. P. Janeway 2011-7-6 10499 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. 1721 Comment
  CHSC117024  Hemizonella minima Lowell Ahart 2016-6-2 20912 Plumas Basalt flat, on the west side of the paved road, Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir dam. 1555 Comment
  MACF019598  Hesperocyparis bakeri Trudy R. Ericson 1975-9-18 405 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
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Apr 29 2016
  POM118176  Hesperolinon micranthum H. M. Hall 1912-7-20 9362 Plumas Middle Fork of the Feather River, in the Transition Zone. 1340 Comment
  CHSC95001  Heterocodon rariflorum Lowell Ahart 2006-10-23 13477 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  CAS-BOT-BC311018  Heterotheca oregona John Thomas Howell 1974-9-19 50886 Plumas Near Rogers Flat on edge of Feather River Highway 609 Comment
  JEPS95125  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  SEINET10475338  Heterotheca villosa var. hispida Mary Susan Taylor 1981-7-13 Taylor 4005 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  JEPS101248  Heterotheca villosa var. minor Dean W. Taylor 2000-8-8 17550 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  SD8409  Heuchera Mrs. R. M. Austin Aug 1882 Plumas Plumas County Comment
  CAS-BOT-BC425155  Heuchera rubescens Anna Head 1920-7-20 s.n. Plumas Trail to Long Lake outlet, Feather River Region. Comment
  CAS-BOT-BC425224  Heuchera rubescens Anna Head 1920-8-10 s.n. Plumas Lake Center Camp 1920 Comment
  CAS-BOT-BC312321  Hieracium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54212 Plumas About 5 miles southeast of Mt. Hough on teh road to Quincy, Sierra Nevada 1584 Comment
  JEPS115089  Hieracium albiflorum Lowell Ahart, John Dittes 2009-7-13 16053 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS36572  Hieracium albiflorum Helen Mar Wheeler 1944-8-23 Plumas Cascade Creek Comment
  CAS-BOT-BC318526  Hieracium greenei George W. Gillett 1957-7-13 755 Plumas Below Sifford Lakes on trail to Devil's Kitchen, Lassen Volcanic National Park 2057 Comment
  JEPS115171  Hieracium nudicaule Lowell Ahart, John Dittes 2009-7-15 16086 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CAS-BOT-BC316036  Hieracium scouleri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54211 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 1584 Comment
  CDA13935  Hieracium scouleri var. nudicaule G. F. Hrusa 1997-6-26 13873 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CHSC46677  Hippuris vulgaris Vernon H. Oswald 1988-8-5 3627 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. Locally abundant in shallow water and marshy places along the edge of Yellow Creek. 1316 Comment
  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-BC459652  Holodiscus John Thomas Howell 1977-8-11 52683 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir Comment
  CHSC117010  Holodiscus discolor var. discolor Lowell Ahart 2016-6-29 21067 Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC43457  Holodiscus microphyllus var. microphyllus Lowell Ahart 1975-7-20 921 Plumas On the ridge east of Mount Etna, about 12 miles north-east of La Porte. 2133 Comment
  CHSC65392  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1995-9-13 7622 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC97531  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2007-6-16 14150 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-BC285109  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1967-5-22 2002 Plumas Butterfly Botanical Area and vicinity 1097 Comment
  UCD128409  Horkelia fusca Albert Grigarick 2012-7-8 327 Plumas Gray Eagle Trail. 50 yds NW of Grass Lake. 1925 Comment
  CHSC102744  Horkelia fusca var. parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16145 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  CHSC117653  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC537871  Horkelia fusca var. parviflora Anna Head 1921-8-15 s. n. Plumas Feather River Region: Lake Center Camp 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-BC143993  Horkelia fusca var. tenella John Thomas Howell 1926-7-26 2128 Plumas Near Prattville 1371 Comment
  UCSB45344  Horkelia tridentata Reisentz, Paul 1979-5-12 Plumas 3 miles north of Quincy Comment
  SEINET6767977  Horkelia tridentata subsp. flavescens E. Brooks 1927-5-9 s.n. Plumas Sierra Nevada; 80 miles N of Reno. Comment
  CHSC40420  Hosackia incana Lowell Ahart 1985-7-1 5095 Plumas At the end of a new logging road, about 1/2 mile east of Cement Creek, about 1/2 mile north of Onio Valley Creek, about 4 miles north-west of Pilot Pk., 1828 Comment
  HSC98314  Hosackia oblongifolia H. E. Parks, S. T. Parks Jun 1928 239 Plumas Lassen National Park, Drakesbad 1738 Comment
  SEINET5327470  Hosackia oblongifolia var. oblongifolia M. J. Williams, Betty Larson 1983-8-12 83- 135 -4 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsille 1676 Comment
  CHSC46636  Hydrophyllum occidentale Lowell Ahart 1989-7-2 6352 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  SBBG6112  Hydrophyllum occidentale H. and M. Dearing 1939-5-9 3319 Plumas Feather River, North Blairsden Comment
  JEPS3195  Hydrophyllum occidentale Mrs. Emanuel Fritz 1933-6-28 Plumas near Meadow Valley (Schneider Falls); Schneider Falls 1219 Comment
  UCD119490  Hydrophyllum occidentale S. P. Lynch 1975-5-25 1303 Plumas On shore of Lake Almanor. Comment
  RSA59760  Hypericum androsaemum E. K. Balls 1950-9-14 15808 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  JEPS107601  Hypericum formosum var. scouleri Lowell Ahart, Josephine Guardino 2005-8-10 12313 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
  UCD110399  Hypericum perforatum subsp. perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy. Comment
  CAS-BOT-BC401439  Hypericum scouleri Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1686 Plumas Butterfly Botanical Area and Vicinity. In Sweetwater Meadow 1127 Comment
  UC1607554  Ipomopsis congesta Barbara Ertter with Gary Schoolcraft 1989-7-3 8663 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  CAS-BOT-BC135740  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21839 Plumas 1.2 mi. E. along State Hwy. 89 after leaving Lake Almanor 1417 Comment
  SEINET8752736  Iris hartwegii J. Robertson 1983-6-10 s.n. Plumas Plumas N.F. Comment
  CHSC37023  Iris hartwegii subsp. pinetorum M. S. Taylor 1982-6-1 4584 Plumas N side of 204, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 1402 Comment
  CHSC98329  Iris hartwegii subsp. pinetorum L. P. Janeway 2007-5-20 8993 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather River to the north); at junction of Roads 25N17, 25N57, 25N59. Southeast-facing slope of rocky serpentine soil. 1573 Comment
  CHSC41144  Iris tenuissima subsp. purdyiformis J. D. Jokerst 1984-6-13 2047 B Plumas South of Grizzly Creek, ca 30 M north of spur 'C'' of USFS road 26N08. Ca. 2 air miles east of Peacock Point. 1432 Comment
  CHSC54858  Isoetes bolanderi Vernon H. Oswald 1991-8-23 4846 Plumas Road to Juniper Lake Campground, 1.8 miles north of the park boundary. Lassen Volcanic National Park. 2072 Comment
  CAS-BOT-BC69933  Isoetes howellii Malcom A. Nobs; S. Galen Smith 1949-8-18 1386 Plumas Last Chance Marshes at n. end of Lake Almanor, just s. of Chester. Comment
  CHSC92169  Isoetes howellii Lowell Ahart; John Dittes 2005-9-19 12372 Plumas In Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  RSA739601  Iva axillaris subsp. robustior John Dittes, L. Ahart 2003-8-8 s.n. Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 5.7 air-miles SE of Portola, 3.4 air-miles S of Beckwourth, ca. 0.9 air-mile N of Dyson Lane; at E edge of Beckwourth-Calpine Road (A23). 1489 Comment
  CAS-BOT-BC137404  Ivesia aperta M. S. Taylor 1982-6-28 4775 Plumas Ramelli Ranch on s side of Feather RIver ca. 1/4 mi w of Calpine Rd (109), ca. 1 mi w of Beckwourth 1487 Comment
  UC1567357  Ivesia aperta var. aperta Gary Schoolcraft 1983-7-5 1057 Plumas n of Correco Canyon 1950 Comment
  CHSC35279  Ivesia sericoleuca M. S. Taylor 1981-7-7 3988 Plumas NE side of Beckwourth-Genesee Rd at its jct with Beckwourth Milford Rd, in Squaw Valley, ca. 12 air mi n of Beckwourth. 1706 Comment
  JEPS110541  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 o 1281 Comment
  CHSC108030  Juncus articulatus subsp. articulatus L. P. Janeway 2011-9-22 10738 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above the water line. 1468 Comment
  CHSC81638  Juncus bufonius var. bufonius Lowell Ahart 2001-10-8 9305 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  UCD102189  Juncus chlorocephalus Daniel Sanchez-Mata; Tomas Santamaria 2006-8-5 s.n. Plumas Quincy. Plumas National Forest. Blackhawk Road. Butterfly Valley Botanical Area. 1160 Comment
  RSA715682  Juncus confusus L. Ahart, Josephine Guardino 2005-8-9 12265 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
  CHSC113594  Juncus covillei Lowell Ahart 2014-8-26 19770 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC32880  Juncus ensifolius L. Ahart 1980-9-17 2656 Plumas On the ne side of the small lake about 0.5 mi w of Fowler Peak. 1600 Comment
  CHSC80888  Juncus ensifolius Lowell Ahart 2001-7-17 8902 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
  CHSC96983  Juncus ensifolius Lowell Ahart; Josephine Guardino 2007-7-21 14366 Plumas Along a small stream, near a spring, south of the dirt road, about 200 yards west of the intersection, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  JEPS102710  Juncus ensifolius Lowell Ahart 2001-8-28 9193 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS66997  Juncus ensifolius W. L. Jepson 1939-8-14 19420 Plumas Willow Creek 1828 Comment
  RSA718509  Juncus ensifolius L. Ahart 2006-10-23 13490 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  JEPS66994  Juncus ensifolius W. L. Jepson 1924-7-22 10618 Plumas Bed of Dogwood Creek, not far above its junction with Middle Fork Feather River; Dogwood Creek 1127 Comment
  UCD141517  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas about 1 mile south of La Porte. 1463 Comment
  CHSC99825  Juncus howellii Lowell Ahart 2008-8-14 15216 Plumas Scattered in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte. 1725 Comment
  RSA727519  Juncus laccatus L. Ahart, John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1762 Comment
  SEINET6183874  Juncus luciensis A. A. Heller, P. B. Kennedy 1907-7-3 8695 Plumas Red Clover Valley Comment
  CHSC49618  Juncus mertensianus Vernon Oswald 1984-6-25 1319 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. In meadow. 1889 Comment
  CHSC108042  Juncus nevadensis L. P. Janeway; B. Castro 2011-10-2 10753 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  JEPS115920  Juncus nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16208 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
  JEPS95626  Juncus nevadensis Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  UC1100986  Juncus nevadensis Malcolm A. Nobs and S. Galen Smith 1949-8-20 1466 Plumas about 13 mi sw Milford (on road between Milford and Beckworth) Comment
  CHSC97271  Juncus nevadensis var. nevadensis Lowell Ahart; John Dittes 2007-8-9 14440 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
  SD192839  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, nmorth of East Branch Creek, ca. 1.75 miles south of Little Grass Valley Reservoir, ca. 1.0 mile northeast of La Porte. 1613 Comment
  CHSC109556  Juncus occidentalis L. P. Janeway 2012-7-17 10952 Plumas Northern High Sierra Nevada. Plumas National Forest; 200 m south of Cedar Flat. 1721 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
  CHSC91935  Juncus occidentalis Lowell Ahart; Josephine Guardino 2005-8-10 12309 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC100027  Juncus orthophyllus Lowell Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC108028  Juncus orthophyllus L. P. Janeway; B. Castro 2011-10-2 10752 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  JEPS119931  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas About 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  RSA0035346  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas On the east side of the South Fork of the Feather River, about 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1882 Comment
  UC367019  Juncus oxymeris unknown Jul 1875 478 Plumas Indian Valley, n California Indian Valley Comment
  CHSC41444  Juncus parryi Lowell Ahart 1986-7-8 5358 Plumas Around a small seep, near an open bare serpentine area, about 1 mile northwest of Pilot Peak, about 14 miles northeast of La Porte. 1950 Comment
  CHSC100047  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC102050  Juncus tenuis Lowell Ahart; John Dittes 2009-7-28 16200 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC94997  Juncus tenuis Lowell Ahart 2006-10-23 13491 A Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS110547  Juncus tenuis Lowell Ahart 2006-10-23 13491 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast 1281 Comment
  JEPS114812  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CAS-BOT-BC85335  Juniperus occidentalis H. E. Brown 1897-8-1 503 Plumas Near Lassen Buttes 1828 Comment
  UC1134349  Juniperus occidentalis R. Roseberry 1934-10-22 17 Plumas 1 1/2 mi ne Pilot Pk.; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10531564  Juniperus occidentalis subsp. australis Mary Susan Taylor 1981-8-18 Taylor 4213 Plumas T23N R15E se 1/4 ne 1/4 sec 10. Re- connaissance Pk quad. Bald Rock Improvement Project, ca. 1 mi SW of Bald Rock, ca. 5 mi NE of Beckwourth. 6200 ft. 1890 Comment
  CHSC97385  Kalmia polifolia var. microphylla Jenny Marr; Craig Carter 2006-5-29 236 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  CDA9313  Keckiella breviflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .264 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  RSA293242  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-5 3784 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  RSA293308  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-5 3783 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  CAS-BOT-BC235660  Keckiella breviflora var. glabrisepala Mrs. H. C. Cantelow 1949-6-10 1 Plumas Feather River Canyon Comment
  CAS-BOT-BC246164  Keckiella lemmonii John Thomas Howell 1976-7-14 51821 Plumas Feather River Canyon Highway at Injun Jim Campground, Sierra Nevada 609 Comment
  JEPS17617  Keckiella lemmonii Rimo Bacigalupi with G. Thomas Robbins 1955-7-22 5436 Plumas Tobin; Feather River Canyon 548 Comment
  SEINET11262216  Keckiella lemmonii Robert L. Johnson, Mikel R. Stevens 2015-7-11 3956 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls.; 0 Comment
  CAS-BOT-BC340413  Lactuca biennis Lowell Ahart 1979-8-16 s.n. Plumas Where the road crosses Bear Gulch. Along the edge of Bear Gulch. Bear Gulch is 2 1/2 mi. e of Little North Fork Camp 1600 Comment
  JEPS7477  Lactuca serriola Rimo Bacigalupi with L. R. Heckard 1951-8-8 3480 Plumas just e Westwood 1554 Comment
  SBBG34030  Lagophylla ramosissima L. S. Rose 1969-6-24 Plumas Butterfly Valley, 3 mi W of Keddie 1158 Comment
  CAS-BOT-BC213385  Lathyrus jepsonii subsp. californicus Clarence R. Quick 1934-7-4 1332 Plumas Headwaters of Clear Creek, Plumas National Forest Comment
  CHSC87633  Lathyrus lanszwertii var. aridus Lowell Ahart; Josephine Guardino 2004-5-24 10943 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy. 1204 Comment
  CAS-BOT-BC205067  Lathyrus sulphureus John Thomas Howell 1975-7-22 51374 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC205074  Lathyrus sulphureus L. P. Janeway 1990-6-6 3702 Plumas On N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat 1356 Comment
  OBI13236  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca 3 mi W of Keddie 1219 Comment
  SEINET11062172 Image available Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  JEPS103323  Ledum glandulosum Lowell Ahart 2002-7-6 9841 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  SEINET10482556  Ledum glandulosum var. californicum Lewis S. Rose 1969-6-24 Rose 69052 Plumas Butterfly Valley, 5 miles west of Keddie. Bogs. alt. ca 4300 feet. Comment
  RSA52914  Lemna minor R. Weatherby 1950-7-21 1474 Plumas East Quincy 1037 Comment
  CAS-BOT-BC245657  Lemna turionifera John Thomas Howell 1960-7-22 35868 Plumas Meadow pond, Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC534904  Lemna turionifera Robert J. Weatherby 1950-7-21 1474 Plumas East Quincy 1036 Comment
  CAS-BOT-BC88841  Lepidium campestre Lewis S. Rose 1963-6-3 63107 Plumas Butterfly Valley, 2 miles southwest of Keddie. 883 Comment
  JEPS90388  Lepidium dictyotum var. acutidens Dean Wm. Taylor with Glenn Clifton 1990-6-26 11186 Plumas Dyson Lane ca. 1.5 mi e junction of road A23; Sierra Valley 1432 Comment
  CAS-BOT-BC89494  Lepidium heterophyllum John Thomas Howell; Gordon H. True 1973-7-31 50082 Plumas Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range. 2362 Comment
  CHSC41417  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a little east of Sawpit Flat, about 1 1/4 miles south-west of Finger Board, about 2 miles north-west of Pilot Peak. 1828 Comment
  UCD115845  Lepidium perfoliatum E. Sawyer 1935-6-10 86 Plumas 2 1/2 miles S.S.W. of Sugarloaf. 1493 Comment
  CAS-BOT-BC60096  Lepidium virginicum var. menziesii Alice Eastwood 1927-6-11 11450 Plumas United States Forest Reserve. Crescent Mills. Comment
  UC1123933  Leptodactylon pungens E. Sawyer 1935-6-18 125 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 2011 Comment
  CHSC53158  Leptosiphon ciliatus L. P. Janeway 1989-6-12 3296 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  RSA122128  Leptosiphon ciliatus E. Sawyer 1935-6-27 162 Plumas Sierraville 1524 Comment
  UCD118767  Leptosiphon harknessii John Thomas Howell 1960-7-18 35556 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  SEINET4566953 Image available Leucocrinum montanum James R. Shevock 1985-5-19 11173 Plumas Northern Sierra Nevada. Plumas National Forest, along road 26N70 at Red Clover Valley, and 3.3 miles south of junction with road 28N01. 1800 Comment
  SJSU6904  Leucocrinum montanum N. A. Hopkins 1975-5-10 652 Plumas N side of road between Beckwourth & Vinton, 5.3 mi E of Beckwourth, by sagebrush plain Comment
  CHSC101914  Leucothoe davisiae Lowell Ahart; John Dittes 2009-7-14 16073 Plumas North of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CAS-BOT-BC233779  Lewisia cantelovii Ella Dales Cantelow 1941-5-25 4210 Plumas Feather River Canyon 3.2 mi. W. of Belden, State Hwy 24 Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  UC82846  Lewisia kelloggii Mrs. R. M. Austin May 1877 28 Plumas American Valley Comment
  HSC100757  Lewisia kelloggii subsp. hutchisonii L. P. Janeway 2011-7-6 10495 Plumas Plumas National Forest, W edge of top of Goat Mountain, 0.7 km SE of the SE side of Little Grass Valley Reservoir; 4.2 air km. NNE of La Porte. 0 Comment
  UC1136688  Lewisia nevadensis E. Sawyer 1935-5-22 22 Plumas 3/4 mi sw Beckwith City; Sierravliee quadrangle Comment
  CAS-BOT-BC444171  Lewisia nevadensis Mrs. H. C. Cantelow 1939-5-19 4208 Plumas 3.3 mi. E. of Bucks Lake Comment
  CAS-BOT-BC444559  Lewisia triphylla Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen Volcanic Park. Comment
  CAS-BOT-BC444571  Lewisia triphylla Catherine Best 1984-6-19 1013 Plumas Lakes Basin Camp Ground Comment
  CAS-BOT-BC283809  Leymus cinereus John Thomas Howell 1959-9-24 34898 Plumas Crescent Mills 1066 Comment
  RSA88107  Leymus cinereus J. T. Howell 1951-8-21 28237 Plumas Near Clio; Sierra Nevada Comment
  CDA14757  Ligusticum grayi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3321 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite. 1341 Comment
  JEPS28607  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 1767 Comment
  CAS-BOT-BC436050  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas Lassen Volcanic National Park, gully running into the stream running from Little Willow Lake to Willow Lake 1767 Comment
  SD61131  Lilium kelleyanum Darley F. Howe 1964-7-29 3890 Plumas Near Gold Lake Lodge, Plumas National Forest. 2012 Comment
  CAS-BOT-BC509315  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2116 Plumas At spring 1127 Comment
  CAS-BOT-BC509335  Lilium kelleyanum H. C. Cantelow 1941-7-20 s.n. Plumas About 4 miles west of Johnsville, on road to Mohawk Comment
  CAS-BOT-BC130784  Lilium pardalinum Mrs. H. M. Mitchell 1932-7-1 s.n. Plumas Bucks Lake Comment
  CHSC78402  Lilium pardalinum subsp. pardalinum Vernon H. Oswald 2000-6-9 9927 Plumas Caribou Road 1.6 mi north of Hwy. 70. 743 Comment
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  SEINET14406770  Linanthus pungens M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge, above Johnsville. 2255 Comment
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  CDA32035  Linaria vulgaris J. Dittes 2005-9-3 1296 Plumas Northern High Sierra Nevada Range; 8.3 air-miles S of diamond Mt., 4.6 air-miles WxNW of Antelope Lake Dam, 2.7 air-miles NE of Taylor Lake; ca. 0.5 air-mile east of intersection of FS Routes 27N090 and 27N56; Moist meadow just west of northern tributary drainage of Hungry Creek Comment
  RSA123901  Linum lewisii E. Sawyer 1935-6-3 58 Plumas 2.5 miles east of Beckwith Butte. 1524 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
  CHSC51029  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas On the south bank of the South Fork of the Feather River, about 1/2 mile north-east of the Independent Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  SD7810  Listera convallarioides Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  UC338835  Listera convallarioides Lemmon Plumas Butterfly and Tahoe Comment
  CHSC47417  Lithocarpus densiflorus var. echinoides Lowell Ahart 1976-7-16 1177 Plumas About 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  CHSC70796  Lithocarpus densiflorus var. echinoides B. Castro; L. Gehrung 1995-7-14 586 Plumas Ca 8 air mi SW of Bucks Lake, ca. 0.3 mi W of Kellogg Ravine, near W edge of USFS Rd 22N29. 1493 Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC443344  Lithophragma parviflorum Elmer I. Applegate 1934-5-6 8903 Plumas Near and south of Mohawk Comment
  CHSC43339  Lithophragma tenellum Lowell Ahart 1975-7-9 864 Plumas On an open mountain side, about 1 mile south-west of Pilot Peak. 1981 Comment
  SJSU15152  Lithophragma tenellum N. A. Hopkins 1993-5-26 1721 Plumas Dyson Lane, NE Sierra Valley Comment
  CAS-BOT-BC428424  Lithophragma tenellum Rimo Bacigalupi 1927-7-12 1736 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  RSA101480  Lithophragma tenellum R. Weatherby 1955-6-26 1547 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  CAS-BOT-BC269065  Lolium perenne John Thomas Howell 1961-6-21 36619 Plumas Greenville 1097 Comment
  CHSC33607  Lomatium canbyi M. S. Taylor; M. Foster 1981-6-10 3882 Plumas In Red Clover Valley, Overland Inc Ranch, ca. 300 yds se of corral, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckwourth. 1676 Comment
  CHSC33918  Lomatium macrocarpum J. D. Jokerst; R. A. Schlising 1981-8-2 1452 Plumas Along Pacific Crest Trail ca 1.0 mi NE of Humboldt Peak. 2011 Comment
  CHSC42313  Lomatium nevadense Oberholtzer 1986-3-26 Plumas Belden. 762 Comment
  CDA14123  Lomatium nudicaule G. F. Hrusa 1997-5-3 13813 Plumas Sierra Nevada; W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. Comment
  JEPS113370  Lomatium plummerae Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13991 Plumas East side of an open rocky flat, 10 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC1730236  Lomatium plummerae L. P. Janeway 1998-6-2 5623 Plumas Squaw Valley; northeast side of Road 28N01 0.6 mi northwest of Road 26N70(''Four Corners''). 1705 Comment
  UC1732067  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas Dixie Creek, N side, along the road connection Road 26N70 to Road 28N01 Dixie Valley, W edge 1691 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
  RSA455704  Lonicera involucrata Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  CAS-BOT-BC200959  Lotus A. A. Heller 1938-7-2 15243 Plumas On Highway #24, near Gray's Flat 868 Comment
  CAS-BOT-BC200950  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54360 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  UC1586414  Lotus crassifolius Vernon H. Oswald and Lowell Ahart 1991-6-18 4679 Plumas ca 4 mi air n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1129071  Lotus grandiflorus var. grandiflorus F. W. Embree 1934-6-6 70 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  SEINET10451998  Lotus nevadensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4665 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
  UCR3561  Lotus oblongifolius Wm. Horn Jr. 1963-6-19 630619- 3 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  UC207663  Lotus purshianus var. purshianus H. M. Hall 1912-8-5 9387 Plumas Marston Sierra Nevada Mountains Comment
  UC726030  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  UC726028  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15243 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  CDA14583  Lotus wrangelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3066 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UC725747  Lupinus A. A. Heller 1907-7-2 8685 Plumas between Vinton and Beckwith; between Vinton and Beckwith 1493 Comment
  CAS-BOT-BC201255  Lupinus Paul F. Covel 1937-7-20 832 Plumas Highway pass east Buck's Ranch Comment
  JEPS48769  Lupinus John Warren Duffield 1937-5-27 Plumas Meadow Valley , Grubstake Flats (Grubstake Flats, sw Plumas Co.) Comment
  JEPS48831  Lupinus John W. Duffield 1937-5-27 Plumas Meadow Valley Meadow Valley, Grubstake Flats (Grubstake Flats) Comment
  UC727203  Lupinus A. A. Heller 1942-6-5 16505 Plumas along State Highway #89 s Greenville; s of Greenville Comment
  SEINET10544042  Lupinus albicaulis subsp. wolfianus J. C. Downey 1964-6-28 Downey 11 A Plumas Crescent mill. Host lupine (a) glabrous 1082 Comment
  UC82284  Lupinus albifrons var. collinus R. N. A. July 1894 462 Plumas Lassens Peak Comment
  OBI42705  Lupinus andersonii Donald Myrick 1964-7-22 904 Plumas On Drakesbad-Mineral rd 1524 Comment
  SEINET5327646  Lupinus andersonii A. A. Heller, P. B. Kennedy 1907-7-3 8739 Plumas Hills above Red Clover valley. Comment
  CHSC52425  Lupinus arbustus L. P. Janeway 1990-7-12 3794 B Plumas Plumas National Forest. Top of small peak along Eureka Ridge ca 0.8 mi south of the head of Bear Creek. 2148 Comment
  UCR88090  Lupinus arbustus subsp. silvicola Walter Knight, J. T. Howell, I. Knight, G. H. True 1967-6-12 1941 Plumas Butterfly Botanical Area and Vicinity. Fern Glenn 1098 Comment
  CAS-BOT-BC196347  Lupinus argenteus var. argenteus L. P. Janeway 1990-7-18 3803 Plumas Near Emigrant Cr 1/4 mi N of the crest of Grizzly Ridge 2103 Comment
  CAS-BOT-BC196348  Lupinus argenteus var. argenteus Janet Jones 1980-7-16 210 Plumas Frazier Falls area 1828 Comment
  CAS-BOT-BC208796  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC208843  Lupinus argenteus var. meionanthus A. A. Heller; B. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley near Genessee Comment
  RSA121705  Lupinus caudatus E. Sawyer 1935-6-1 55 Plumas 1 mile northwest of Kerby. 1524 Comment
  RSA7991  Lupinus confertus H. A. Barker 1927-7-1 756 Plumas Blairsden 1372 Comment
  RSA263045  Lupinus confertus W. E. Harmon 1969-8-18 1566 Plumas Beckworth Pass, 1/2 mi. W. 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-BC215368  Lupinus dalesiae M. S. Taylor 1982-7-12 4814 Plumas Along Eureka Ridge Road (23N09), 0.9 mile NW of its jct with McRae Meadow Road, ca. 6 air miles W of Mohawk 2072 Comment
  CAS-BOT-BC215374  Lupinus dalesiae M. S. Taylor 1982-6-21 4709 Plumas 100 ft N of Eureka Ridge Road (23N09.1), ca. 0.5 mile NW of White Cap, ca. 3 air miles SW of Sloat 1767 Comment
  CAS-BOT-BC215387  Lupinus dalesiae M. S. Taylor 1982-6-27 4546 Plumas W side of Bucks Lake-Spanish Creek Road across from 1084 residence in Meadow Valley 1127 Comment
  CAS-BOT-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CAS-BOT-BC215392  Lupinus dalesiae M. S. Taylor 1982-7-7 4786 Plumas S side of 4 wheel drive road, 0.6-0.8 mile E of its junction with Poplar Creek Road (23N08), ca. 1 mile SE of Sloat 1280 Comment
  CHSC35908  Lupinus dalesiae M. S. Taylor 1982-6-17 4701 Plumas N side of 23N09.1- Eureka Ridge Rd, 0.2-0.3 mi w of its jct with Popular Creek Rd (23N08), s of Sloat. 1402 Comment
  CHSC52431  Lupinus dalesiae L. P. Janeway 1990-6-8 3706 Plumas Plumas National Forest. Little Long Valley, E-facing side of canyon; along dirt rd 23N12 ca 0.6 mi N of jct with rd 23N51. 1722 Comment
  CHSC76132  Lupinus dalesiae G. F. Hrusa 1997-5-30 13826 Plumas Sierra Nevada. At edge of powerlines. On E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  JEPS106017  Lupinus dalesiae Lowell Ahart, Josephine Guardino 2004-5-24 10950 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  RSA188452  Lupinus dalesiae L. S. Rose 1967-6-12 s.n. Plumas Quincy. 1067 Comment
  UC1502135  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas n side of Hwy 70 ca 1 mi w Quincy (Indian Hill); Quincy Quad., Indian Hill 1097 Comment
  UCD107623  Lupinus dalesiae G. F. Hrusa 1997-5-30 13827 Plumas at edge of power lines, on E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Sierra Nevada. 1350 Comment
  SEINET10452050  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4546 Plumas T24N R8E ne/sw sec 14. Bucks Lake NE quad. W side of Bucks Lake-Spanish Creek Rd across from 1084 residence, in Meadow Valley. 3800 ft. 1158 Comment
  SEINET10485197  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4694 Plumas T23n r11e sw1/4sw1/4 sec 18. Blue nose mt quad. Open bare roadcut, mixed Evergreen forest, s side of 23n44y, 0.8 mi. Se of its jct with peoria creek Rd (23n10), ca 3 air mi. Sw of sloat. With rosa pinetorum and apocynum Pumilum. 1707 Comment
  SEINET10485198  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4597 Plumas T23n r12e nw14ne1/4 sec 17. Johnsville quad. Corolla yellow. Along 23n11, on Loop through cogswell ravine, on roadcut and upslope in disturbed areas, 3.2 Mi. Ne of jackson creek campground, ca 5 mi n of mohawk. Mixed evergreen Forest. With calochortus coeruleus, lathyrus sulphureus. 1737 Comment
  SEINET10485209  Lupinus dalesiae Taylor 1982-6-27 Taylor 4546 Plumas Bucks lake northeast quad. West side of bucks lake-spanish creek rd across From 1084 residence in meadow valley; on road cut in pine openings. With viola Bakeri, trifolium breweri, pteridium aquilinum. 1128 Comment
  SEINET10937076  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23n r10e ne1/4sw1/4 sec 13. Blue nose mt quad. Corolla yellow. On cobbly Roadbank, s side of peoria creek rd (23n10), 0.2 mi. Ne of oliver creek, ca 5 Mi. Sw of sloat. With hydrophyllum occidentale, elymuys glaucus. 1615 Comment
  SEINET8042175  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-16 8862 Plumas Genessee valley near Genessee Comment
  CHSC92278  Lupinus grayi John Dittes; Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; Drainage of East Branch Lights Creek; ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak; south-facing slope ca. 850' north of confluence of East Branch Lights Creek and Morton Creek, ca. 1,232' northeast of junction of FS Road 28N03 and County Road 213. 1373 Comment
  RSA31783  Lupinus grayi A. A. Heller 1938-5-30 15134 Plumas Near Rich Bar along the Feather River Highway #24. 762 Comment
  SEINET10490340  Lupinus grayi Patricia L. Kenney 1973-6-5 Kenney 436 Plumas Collected along a stream along hwy 70, 6 mi. S from jct of hwy 89 & 70. 1067 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
  SEINET10841148  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-7-21 Taylor 4890 Plumas T23N R10E se/se sec 9. Blue Nose Mt quad. Along Willow Creek and above slope, ca. 0.5 mi nw of Nelson Point, ca. 5 mi se of Quincy. 4300 ft. 1310 Comment
  UCD108182  Lupinus latifolius var. columbianus A. A. Heller 1915-7-7 12051 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
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Apr 1 2012
  CHSC48529  Lupinus lepidus var. confertus Vernon Oswald 1986-8-7 2271 Plumas Hwy 89 ca. 0.2 mi w of Lake Almanor spillway. 1371 Comment
  JEPS115127  Lupinus lepidus var. confertus Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16232 Plumas On dry bare soil, forest floor, above the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS65070  Lupinus lepidus var. confertus W. L. Jepson 1918-8-17 8035 Plumas Sierra Valley 1524 Comment
  UC1129513  Lupinus lepidus var. confertus C. G. Albertus 1935-7-20 218 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  CHSC102641  Lupinus lepidus var. sellulus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16136 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC113878  Lupinus lepidus var. sellulus Lowell Ahart 2014-8-26 19786 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
  UC1129518  Lupinus lepidus var. sellulus E. Sawyer 1935-6-27 205 Plumas 1.4 mi se Crow; Sierraville Quadrangle Comment
  SD8496  Lupinus minimus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  CHSC56542  Lupinus obtusilobus L. P. Janeway 1984-7-15 921 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  CAS-BOT-BC323949  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-14 4832 Plumas Near jct of 27N92 and 26N18 in Long Valley around creek, ca 4 air mi W of Greenville. 1676 Comment
  JEPS114424  Luzula cascadensis Lowell Ahart 2008-7-9 15062 Plumas Near seeps, on the west side of the good logging road , about 100 yards south of a small stream, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1645 Comment
  JEPS124404  Luzula cascadensis Lowell Ahart 2015-7-4 20280 Plumas About 1/2 mile west of the of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS115938  Luzula comosa var. comosa Lowell Ahart, John Dittes 2009-7-13 16043 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CHSC53721  Luzula comosa var. laxa L. P. Janeway 1989-7-11 3476 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. Along border of creek. 1691 Comment
  JEPS28592  Luzula comosa var. laxa George W. Gillett 1957-7-13 751 Plumas Lassen Volcanic National Park. Across the creek from Devils Kitchen 1859 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
  CHSC100316  Lythrum portula Lowell Ahart 2008-7-9 15066 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte. 1689 Comment
  RSA407389  Madia bolanderi Lyman Benson 1932-7-29 3996 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CAS-BOT-BC343781  Madia elegans John Thomas Howell 1959-9-24 34911 Plumas Crescent Mills 1066 Comment
  UC1069862  Madia elegans C. W. Hanks 1934-8-10 38 Plumas valley floor at ne edge Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC59903  Madia elegans subsp. elegans L. P. Janeway 1992-7-31 4282 Plumas In canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70 (along old powerline access road). 682 Comment
  CDA15408  Madia glomerata G. F. Hrusa 1996-8-22 13535 Plumas Sierra Valley; at intersection of Antelope Valley Rd. & Hwy 49. Comment
  CDA8268  Madia glomerata T. C. Fuller 1980-8-5 20290 Plumas South of the railroad, west of Highway A23 to Calpine, 1.3 km southwest of Beckwourth. 0 Comment
  CHSC109852  Madia glomerata L. P. Janeway 2012-10-17 11076 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. 1554 Comment
  CHSC34880  Madia glomerata M. S. Taylor 1981-8-31 4253 Plumas S side of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  RSA201259  Madia glomerata J. T. Howell 1960-7-18 35601 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CAS-BOT-BC342855  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  JEPS21564  Madia glomerata L. T. Dempster 1958-7-13 1153 Plumas about 5 mi s Beckwourth 1493 Comment
  UC185676  Madia glomerata Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC343275  Madia gracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54122 Plumas Quincy 1036 Comment
  CDA8276  Madia gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3248 Plumas 2.5 miles (4 km) below summit on road to Mt. Hough, 0.4 mile northwest of China Grade. Comment
  UC485288  Madia gracilis Mrs. Austin 1882-7-24 Plumas Big Meadows Comment
  UC579274  Madia gracilis E. Sawyer 1935-6-27 178 Plumas 3.7 mi n Hawks (river w of Beckwith); Plumas National Forest, Sierraville Quadrangle, Middle Fork 1676 Comment
  CAS-BOT-BC343257  Madia gracilis David D. Keck 1928-6-15 441 Plumas 1.5 miles west of Blairsden, along Blairsden-Quincy highway 1400 Comment
  CAS-BOT-BC343258  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC512088  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1927-6-11 14486 Plumas Forest Lodge, Greenville; United States Forest Reserve Comment
  CAS-BOT-BC512092  Maianthemum racemosum subsp. amplexicaule Thomas H. Kearney 1944-8-14 34 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC324549  Malacothrix John Thomas Howell; H. Keith Wagnon 1980-5-28 53701 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River, Sierra Nevada 853 Comment
  CHSC66753  Malacothrix floccifera Vernon H. Oswald; Lowell Ahart 1996-8-14 8158 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along the road. 1127 Comment
  CAS-BOT-BC347527  Malacothrix floccifera M. S. Taylor 1982-6-14 4674 Plumas On ridge above Indian Falls 1310 Comment
  CAS-BOT-BC348169  Matricaria discoidea Greg Sommers 1976-7-8 162 Plumas Sierra Valley, along Marble Lane 1487 Comment
  CAS-BOT-BC348172  Matricaria discoidea John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1979 Plumas Butterfly Botanical Area and Vicinity. In valley proper near barn 1036 Comment
  JEPS115113  Medicago lupulina Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16233 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC101932  Melica aristata Lowell Ahart; John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC110264  Melica bulbosa L. P. Janeway 2012-6-2 10852 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  SEINET8755673 Image available Melica californica Stanley Gessel 1940-1 20 Plumas 3/4 mile East Smith Store Meadow Valley Comment
  CAS-BOT-BC282104  Melica fugax Lowell Ahart 1983-8-17 4319 Plumas W of Pilot Peak, NE of La Porte, near the Quincy La Porte Road, near Onion Valley 2000 Comment
  CHSC32035  Melica fugax L. Ahart 1979-7-18 1972 Plumas Along and above road, ca. 1/8 mi s of Onion Valley, ca. 1 mi w of Pilot Peak; ca. 12 mi n of La Porte. 1800 Comment
  CHSC60512  Melica fugax L. P. Janeway; Jannice Cutler 1992-5-26 4204 Plumas Plumas National Forest. About 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove. 1767 Comment
  UCD87286  Melica fugax John Thomas Howell 1960-7-18 35603 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC113880  Melilotus albus Lowell Ahart 2014-8-26 19792 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  UCD169793  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET10498161  Mentha arvensis Mary Susan Taylor 1982-7-22 Taylor 4904 A Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  UC1191899  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1391 Plumas Last Chance Marshes at n end Lake Almanor (just s of Chester); n end Lake Almanor, Last Chance Marshes Comment
  RSA726371  Mentzelia albicaulis L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13990 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  CHSC97541  Mentzelia dispersa Lowell Ahart; John Dittes 2007-6-16 14141 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1121685  Mentzelia dispersa E. Sawyer 1935-6-28 245 Plumas 1 m sw Beckwith 1524 Comment
  RSA106774  Mentzelia montana L. S. Rose 1955-7-19 55146 Plumas Portola. 1479 Comment
  UC1063983  Mertensia ciliata E. Sawyer 1935-5-28 44 Plumas 3 1/2 mi N of Hawks 1584 Comment
  RSA101459  Mertensia ciliata var. stomatechoides R. Weatherby 1955-7-2 1579 Plumas Upper end of Wilcox Valley. 1799 Comment
  CAS-BOT-BC428536  Micranthes aprica Anna Head 1921-6-17 s.n. Plumas Lake Independence, Feather River Region. Comment
  CAS-BOT-BC428602  Micranthes bryophora Anna Head 1921-7-20 s.n. Plumas Near Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC428884  Micranthes californica John Thomas Howell; Gordon H. True 1967-5-9 42207 Plumas Lewisia Rock. 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CHSC84363  Micranthes odontoloma Lowell Ahart 2003-8-13 10503 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CAS-BOT-BC349336  Microseris nutans John Thomas Howell 1960-7-21 35807 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  POM34991  Microseris nutans Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SD8804  Microseris nutans Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  JEPS29185  Microseris nutans Lauramay T. Dempster 1961-6-16 1463 Plumas n Engelmine (on road to Susanville) 2194 Comment
  SEINET10475170  Microseris nutans Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4326 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10937974  Microseris nutans Mary Susan Taylor 1981-7-17 Taylor 4037 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CHSC33597  Microsteris gracilis M. S. Taylor; M. Foster 1981-6-8 3876 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca 1.5 air mi n of w end of Lake Davis. 1706 Comment
  JEPS4599  Mimulus aurantiacus var. grandiflorus W. L. Jepson 1910-6-18 4150 Plumas Belden Comment
  UC1612408  Mimulus bifidus Plumas Origin: U.S.A., California. Plumas Co.: near Storie Comment
  SEINET3365893 Image available Mimulus breweri Barbara Ertter, Jeffrey Strachan 1980-7-31 3889 Plumas Plumas National Forest; Dixie Creek ca 3/4 mile east of Milford-Beckwourth Road (near cattle guard) 1707 Comment
  JEPS80615  Mimulus cardinalis M. S. Taylor 1981-8-19 4215 Plumas ca 1.5 mi w Sloat (jct Bell Creek and rd 23N10); Blue Nose Mt. quad. 1310 Comment
  SEINET3840867  Mimulus guttatus G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3856 Plumas East shore of Frenchman Lake, Crystal Fishing Access, marshy arm of the lake at the parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  UC1063130  Mimulus guttatus C. W. Hanks 1934-8-10 33 Plumas canyon at ne edge Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  RSA59677  Mimulus guttatus E. K. Balls 1950-9-9 15746 Plumas West of Lakes Center Public Campground in small creek running into south end of small lake. 2043 Comment
  SEINET6225043  Mimulus guttatus L. S. Rose 1967-1 67069 Plumas N Fork, Feather River 2 mi E of Belden Comment
  JEPS87756  Mimulus mephiticus Lowell Ahart 1994-6-15 7332 Plumas about 1 air mi w of Little Grass Reservoir (on n side of intersection of Lumpkin Ridge Road and the road to Tamarack Flat) 1767 Comment
  UC567165  Mimulus microphyllus E. Sawyer 1935-7-1 226 Plumas 1/2 mi s Chases; Downieville Quadrangle 1676 Comment
  UC917314  Mimulus moniliformis J. M. Tucker 1948-7-25 1739 Plumas sw side Camel Peak (at mine of United Mining Company); Pinchard Creek 1524 Comment
  CHSC20820  Mimulus moschatus K. R. Stern 1975-7-24 5833 Plumas SW shore of Lake Almanor. 1371 Comment
  POM273169  Mimulus moschatus Lyman Benson 1932-7-29 4000 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 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
  RSA60798  Mimulus moschatus I. L. Wiggins 1948-9-15 12054 Plumas Between Onion Creek and Middle Fork of the Feather River. Comment
  RSA39903  Mimulus nanus var. mephiticus P. A. Munz 1947-5-16 11831 -a Plumas 8 miles north of Chilcoot. 1524 Comment
  UC569873  Mimulus nanus var. mephiticus E. Sawyer 1935-6-27 198 Plumas 1.4 mi se Crow; Sierraville Quadrangle 1706 Comment
  JEPS113947  Mimulus suksdorfii W. and N. Harnach 2000-6-4 904 Plumas North of Sierra Valley approx. 1 mile north of the Crocker Guard Station Comment
  UC917311  Mimulus torreyi J. M. Tucker 1948-7-24 1720 Plumas near road from Cascade to Camel Peak 1615 Comment
  SEINET12326111  Mimulus torreyi W. Knight, Knight, I. 1983-1 4946 Plumas 4 mi N of Chester on road to Drakesbad 1394 Comment
  CAS-BOT-BC388598  Minuartia douglasii Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  JEPS34389  Minuartia douglasii Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8865 Plumas Rich Bar Feather River Canyon (n side of canyon) 762 Comment
  CAS-BOT-BC481919  Minuartia nuttallii Alice Eastwood 1927-6-17 s.n. Plumas US Forest Reserve, on road from Long Valley Comment
  UC1509622  Minuartia nuttallii subsp. gracilis M. S. Taylor 1982-6-1 4583 Plumas ca 1 air mi se Long Valley Mine (n side of 204, 4 air mi w of Greenville); Almanor NE quad. 1524 Comment
  JEPS114408  Mitella breweri Lowell Ahart 2008-7-16 15080 Plumas East side of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  SEINET10483080  Mitella breweri Mary Susan Taylor 1982-6-17 Taylor 4698 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  UC1594682  Mitella breweri Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5044 b Plumas near entrance gate to Elwell Lodge (s end of campground, s margin of lake, ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd. 519)); Grass Lake, Lakes Basin Campground Comment
  CHSC82104  Monardella follettii L. P. Janeway 2001-8-5 7426 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  SBBG124928  Monardella follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (NE slope of Red Hill), E branch of North Fk Feather River [ISOTYPE] 1280 Comment
  UCSC008319  Monardella follettii Brett Smith 2012-7-27 BAS 014 Plumas 65m W of unnamed stream, 110 m NE of big bend in FS road that cuts W through Cottonwood Meadow 1341 Comment
  SEINET10582331  Monardella follettii A. Graff 1993-7-22 Graff 316 Plumas Plumas National Forest. Meadow Valley Rd. south, .55 mile up from Union Pacific RR crossing, on the left road cut. T25N,R8E,S20. Locally infrequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582335  Monardella follettii A. Graff 1993-7-23 Graff 333 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
  SEINET10862291  Monardella follettii A. Graff 1993-7-23 Graff 338 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
  CAS-BOT-BC314216  Monardella odoratissima subsp. glauca John Thomas Howell 1960-7-24 35972 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  RSA0118875  Monardella odoratissima subsp. glauca Lowell Ahart 2014-8-26 19788 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  UC2035865  Monardella odoratissima subsp. glauca E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  RSA121992  Monardella odoratissima subsp. glauca G. T. Nordstrom 1934-7-3 180 Plumas 3/4 mile S. of Mt. Ararat, Bidwell Bar 1646 Comment
  UC586855  Monardella odoratissima subsp. glauca Joseph Andorfer Ewan 1934-6-25 8228 Plumas above Dentens (Gold Lake Road); Sierra Nevada 1676 Comment
  CHSC91773  Monardella odoratissima subsp. odoratissima G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3346 Plumas Sierra Nevada. 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CHSC26168  Monardella odoratissima subsp. pallida Detzer; M. Sacks 1977-7-23 10 Plumas Ca. 3.5 km ne of Squaw Pk. 1973 Comment
  CHSC67836  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-3 3112 Plumas N of Florintine Canyon adjacent to La Porte Rd., W of Johnstown. Comment
  NY429343  Monardella odoratissima var. follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (northeast slope of Red Hill), East Branch of North Fork Feather River 1280.2 Comment
  CHSC111719  Monardella sheltonii Lowell Ahart 2012-7-1 18261 Plumas On the east side 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
  RSA794956  Monardella sheltonii L. Ahart, Josephine Guardino, John Dittes 2009-7-29 16218 Plumas North side of Forest Service Road 26N22, 4650 feet northwest of Rattlesnake Hill, 3.0 air miles SSE of Lake Almanor Dam. 1591 Comment
  SEINET10582349  Monardella sheltonii A. Graff 1993-7-22 Graff 318 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, .8 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on right roadside. T25N,R8E,S18. Past flowering. Comment
  SEINET10582357  Monardella sheltonii A. Graff 1993-7-21 Graff 287 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SEINET10582358  Monardella sheltonii A. Graff 1993-7-21 Graff 290 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  CHSC33602  Montia chamissoi M. S. Taylor; M. Foster 1981-6-8 3864 Plumas In wet meadow along creek, ca. 1/4 mi s of jct of 24N08 and 25N93, ca. 1 air mi nw of Bagley Pass, ca. 0.5 mi s of Red Clover Valley. 1737 Comment
  JEPS95296  Montia fontana Lowell Ahart 1994-6-17 7351 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CHSC54411  Montia fontana subsp. chondrosperma Vernon H. Oswald 1991-6-17 4667 Plumas Drakesbad, on the springy slope on the north side of the meadow, west of the resort buildings. 1755 Comment
  CHSC97580  Montia fontana subsp. chondrosperma Lowell Ahart; John Dittes 2007-6-16 14100 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA726291  Montia linearis L. Ahart, John Dittes 2007-6-16 14087 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CAS-BOT-BC445091  Montia linearis John Thomas Howell 1978-4-19 52856 Plumas Eastern part of Quincy 1036 Comment
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  CAS-BOT-BC267010  Muhlenbergia filiformis Lowell Ahart 1986-9-10 5398 Plumas About 1 mile NW of Pilot Peak, about 14 miles NE of La Porte 1950 Comment
  CAS-BOT-BC267019  Muhlenbergia filiformis L. P. Janeway 1984-9-1 1134 Plumas Lakes Basin, on Sierra crest W of Mt Elwell 2164 Comment
  CHSC113872  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1810 Comment
  RSA239236  Muhlenbergia filiformis R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42336 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  UC424187  Muhlenbergia filiformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  RSA0106684  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1534 Comment
  UC1111633  Muhlenbergia richardsonis Lewis S. Rose 1955-7-20 55161 Plumas Mohawk 1371 Comment
  UCD119533  Myosotis laxa G. Douglas Barbe; T. C. Fuller 1982-6-15 3685 Plumas Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 Comment
  CHSC46674  Myosotis scorpioides Vernon H. Oswald 1988-8-5 3623 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. On the edge of Yellow Creek. 1316 Comment
  UC1112281  Myosurus apetalus Herbert L. Mason 1952-7-17 14381 Plumas just s Beckworth (along Western Pacific tracks); Sierra Nevada 1524 Comment
  SEINET12629491  Myriophyllum W. Harnach 2000-8-2 968 Plumas 1.5 miles south of Hwy 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA. 1487 Comment
  JEPS124128  Myriophyllum hippuroides Lowell Ahart 2015-10-3 20537 Plumas 100 yards east of the Round Valley Reservoir Dam, about 2 1/2 miles (air) northwest of Crescent Mills. Comment
  JEPS113828  Myriophyllum sibiricum Lowell Ahart, John Dittes 2007-6-17 14164 Plumas In Red Clover Creek, about 50 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  RSA726450  Myriophyllum sibiricum L. Ahart, John Dittes 2007-6-17 14164 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
  RSA52944  Myriophyllum verticillatum R. Weatherby 1950-7-28 1493 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CHSC56547  Nama lobbii L. P. Janeway 1984-7-15 923 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  RSA101388  Nama lobbii R. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  UCR4990  Nama lobbii E. C. Nord 1966-1 s.n. Plumas Northern Sierra Nevada Mtns., Sugarloaf Plantation, [6] mi. NW of Downieville [Downieville Ranger Distr., Tahoe National Forest] 1677 Comment
  UCD72909  Narthecium californicum Albert A. Grigarick 2008-6-18 18 Plumas Lakes Basin, SW of town of Graeagle. Driving directions: Int. 80 - 89 Hwy. N, left on Gold Lake Hwy. 5 mi., to Gray Eagle Lodge Rd., to Trailhead Parking, take Long Lake Trail until it crosses springs above Gray Eagle lodge uphill bog. 1985 Comment
  SEINET10871350  Nasturtium officinale Patricia L. Kenney 1973-6-5 Kenney 417 Plumas Along roadside of Hwy 89, 5 mi N of jct of Hwy 70 & 89. Yellow pine, Douglas fir and oaks. 1067 Comment
  CHSC110286  Navarretia breweri B. Castro; L. P. Janeway 2006-6-4 1554 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  UC1075685  Navarretia breweri Robert J. Weatherby 1955-7-2 1571 Plumas near Taylor Lake; Bear Ridge 2194 Comment
  CHSC97194  Navarretia capillaris Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13994 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
  OBI48921  Navarretia divaricata Lewis S. Rose 1941-7-9 41300 Plumas Chambers Lodge (McKinney), Lake Tahoe 640 Comment
  JEPS113440  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes 2007-6-17 14155 Plumas On the sides of a small wash, about 20 yards west of Red Clover Creek, about 10 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end o 1654 Comment
  CHSC117630  Navarretia intertexta subsp. intertexta Lowell Ahart 2016-8-30 21331 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC23854  Navarretia intertexta subsp. propinqua Glenda Foster 1975-11-8 103 Plumas Along road n of Hwy. 89, ca. 0.3 mi. 3.2 mi from the junction of Hwys. 36 and 89. Near the shore of Lake Almanor. Comment
  POM161750  Navarretia leptalea R. C. Bacigalupi 1927-7-11 1721 Plumas Grassy Lake Meadows near Bear Lake. Gold Lake Region. 1890 Comment
  SBBG100014  Navarretia leptalea B. Ertter 1989-7-4 8681 Plumas 2.2 mi W of jct with St Hwy 89 and St Hwy 36, SW of Chester 1463 Comment
  CHSC56864  Navarretia leptalea subsp. leptalea L. P. Janeway; Garrett Gibson 1991-7-18 4079 Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. On north side of County Road. 1777 Comment
  JEPS48503  Navarretia leptalea subsp. leptalea Esther C. Fritz Aug. 1933 Plumas Spanish Peak 2133 Comment
  JEPS69643  Navarretia leptalea subsp. leptalea E. Fritz and T. H. Harris July 1926 Plumas Meadow Valley 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-BC230396  Navarretia leucocephala subsp. minima Fred Sommers; Greg Sommers 1976-6-16 134 Plumas 500 m S of Metal Bridge Comment
  SEINET14152722  Navarretia linearifolia subsp. linearifolia A. A. Heller, P. B. Kennedy 1907-7-5 8743 Plumas Hills above Red Clover Valley. Comment
  JEPS104686  Nemophila John L. Morrison 1940-5-19 3181 Plumas 1 mi from Belden. Along the road to Longville Comment
  CHSC87866  Nemophila pedunculata Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11059 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
  OBI76987  Nemophila spatulata Anthony Baniaga 2011-7-26 469 Plumas Lassen Natl Forest. Jctn of F.S. 10 and "U" spur. Red Cinder quad T29N R7E sec 3 Se of SE 1794 Comment
  UC178303  Nicotiana quadrivalvis var. quadrivalvis Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC57433  Oenothera flava L. P. Janeway; Melinda Carlson 1991-6-18 4046 Plumas Plumas National Forest. North side Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. In horse pasture. 1472 Comment
  CDA38179  Oenothera flava Fred H. Surber 1984-6-14 s.n. Plumas West of Vinton. 0 Comment
  UCR80300  Oenothera tanacetifolia P. A. Munz 1947-5-16 11823 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  CHSC110622  Oreostemma alpigenum var. andersonii B. Castro; L. Janeway 2006-9-9 1616 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lade and North Arm Rice Creek). 1969 Comment
  CHSC59676  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-30 4300 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1889 Comment
  CHSC88657  Oreostemma alpigenum var. andersonii H. Gray 2003-8-26 Plumas Plumas National Forest. In Barely Fen. 1706 Comment
  UCD107502  Oreostemma alpigenum var. andersonii Tim Kuhn 2006-7-10 48 Plumas on Plumas NF forest service road 107407. Comment
  SEINET11602257 Image available Oreostemma alpigenum var. andersonii D. E. Lepley 2006-7-9 s.n. Plumas Big Springs fen/meadow complex. From west short Lake Almanor take County Road 309 south about 2 miles to Butt Creek, then CR 307 south to Humbug Creek and west across the valley, then Road 26N08S about one miles to D-spur on left; from end of spur road walk east into fenced-in spring area. 1326 Comment
  SD243288  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  UCD134695  Oreostemma elatum Malcolm A. Nobs; S. Galen Smith 1949-8-19 1432 Plumas at Butterfly Valley. Comment
  CHSC66705  Orobanche californica subsp. grayana Vernon H. Oswald; Lowell Ahart 1996-8-1 8131 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dryer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Meadow. 1432 Comment
  JEPS26688  Orobanche fasciculata P. C. Hutchison 1961-6-9 2125 Plumas Canyon of the North Fork of the Feather River along Highway U.S., 4.2 miles above Rich Bar junction. Comment
  CHSC108721  Orthilia secunda B. Castro; L. P. Janeway 2003-9-6 1453 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. At NNE corner of lake in low area, just up from water at lower edge of very open forest. 2058 Comment
  CHSC43507  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1979-7-18 1988 Plumas Growing along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1645 Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  POM293497  Orthocarpus lacerus Lyman D. Benson 1949-6-21 13741 Plumas 1 mile west of Lake Almanor Inn. Cascade mtn range, Feather River drainage area. 1341 Comment
  RSA80277  Orthocarpus lacerus F. W. Peirson 1926-6-21 6784 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  UC54316  Osmorhiza berteroi H. M. Hall and E. B. Babcock July 1903 4442 Plumas Genessee Valley Sierra Nevada Mountains 1097 Comment
  JEPS113822  Osmorhiza chilensis Lowell Ahart, Josephine Guardino 2007-7-21 14373 Plumas Around pine trees, near a small dry drainage, about 20 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  JEPS115177  Osmorhiza chilensis Lowell Ahart, John Dittes 2009-7-14 16062 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  SEINET10454515  Osmorhiza chilensis Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4018 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CDA13419  Osmorhiza occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13267 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC97935  Osmorhiza occidentalis G. F. Hrusa; T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada. Dryish flats about Brady's Camp. Pine Creek Valley, @1/2 mi. NE Argentine Rock. 2125 Comment
  RSA71064  Osmorhiza occidentalis L. S. Rose 1951-6-28 51063 Plumas Johnsville. 1601 Comment
  CHSC59080  Packera pauciflora Vernon H. Oswald 1992-8-10 5150 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps, on the W boundary line, near the SW corner. Meadow. 1597 Comment
  SEINET10537848  Paeonia brownii Mary Susan Taylor 1981-7-13 Taylor 3996 A Plumas T24N R16E sw/sw sec 5, Frenchman Lake quad. Ca. 20-100 yds N of 25N43, ca. 0.5 mi W of 25N11 at N tip of the Lake, ca. 13 air mi N of Chilcoot. Sagebrush Scrub, dry and open to partial shade on edge of Jeffrey Pine Forest. 5700 ft 1737 Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89956  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  RSA201364  Panicum capillare J. T. Howell 1969-9-22 34868 Plumas Drakesbad; Lasses Volcanic National Park 1738 Comment
  UCD89500  Panicum capillare Beecher Crampton 1964-8-25 7163 Plumas Lassen Volcanic National Park, Drakesbad, 1/8 mile south of the Guest Houses. 1676 Comment
  CAS-BOT-BC175538  Parnassia palustris Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  SBBG128885  Pectiantia breweri L. Ahart 2008-7-16 15080 Plumas forest floor E side of 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
  SD6611  Pedicularis attollens Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET13754326  Pedicularis attollens A. A. Heller, P. B. Kennedy 1907-7-9 8795 Plumas Prattville. Comment
  UC1080380  Pedicularis densiflora E. K. Balls 1957-5-23 22519 Plumas sw shore of Lake Almanor (2 mi s of junction of State Hwys 89/36) 1402 Comment
  CHSC75545  Pedicularis groenlandica G. F. Hrusa; T. D. Wilfred 1997-6-26 13916 Plumas Sierra Nevada. Wet meadow immed. E of Brady's Camp. Pine Creek Valley, about 1/2 mi. NE Argentine Rock. 2125 Comment
  SD46706  Pedicularis groenlandica Robert J. Weatherby 1955-6-26 1559 Plumas Near Lakes Ranger Station, Lakes Basin 1981 Comment
  RSA101431  Pedicularis groenlandica R. Weatherby 1955-6-26 1559 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  CHSC62593  Pedicularis racemosa B. Castro 1987-6-21 134 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  RSA0039305  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
  CHSC32045  Pellaea brachyptera L. Ahart 1975-8-29 968 Plumas On ridge between Oxford and Coquette Creeks, ca. 10 mi s of Bucks Lake. 1828 Comment
  UC122754  Pellaea brachyptera Mrs. R. M. Austin Aug. 1876 Plumas Soda Springs Comment
  SD9640  Pellaea bridgesii J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  SD9665  Pellaea mucronata J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  JEPS15473  Penstemon deustus Joseph and Hilda Grinnell 1938-6-11 1093 a Plumas Mohawk 1341 Comment
  RSA299502  Penstemon deustus J. T. Howell, Walter Knight, I. Knight, Gordon H. True Jr. 1967-7-10 2163 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity. 884 Comment
  UC1063379  Penstemon deustus E. Sawyer 1935-6-18 124 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 2011 Comment
  RSA305776  Penstemon deustus James R. Shevock 1972-5-19 1790 Plumas Hwy 89. N of Indian Falls, Ind. Falls Creek. Comment
  RSA169433  Penstemon deustus subsp. deustus L. S. Rose 1963-6-2 63082 Plumas 4 mi. w. of Virgilia. East branch, North Fork of Feather River. 762 Comment
  RSA189326  Penstemon deustus subsp. deustus L. S. Rose 1967-7-12 67173 Plumas 1 mile S of Keddie; Butterfly Creek and Spanish Creek. 884 Comment
  CHSC97197  Penstemon deustus var. pedicellatus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13983 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
  JEPS85635  Penstemon deustus var. pedicellatus W. L. Jepson 1939-8-12 19382 Plumas Ferris Creek , branch of Last Chance Creek (branch of Last Chance Creek) 1767 Comment
  CHSC84368  Penstemon gracilentus Lowell Ahart 2003-9-7 10561 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  CHSC92190  Penstemon gracilentus Lowell Ahart; John Dittes 2005-9-20 12449 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
  NY600757  Penstemon gracilentus S. L. Welsh 2001-6-14 28143 Plumas Forest service road, ca. 5 miles south of Milford 1791.9 Comment
  PASA871  Penstemon gracilentus Margaret Stason 1932-6-22 Plumas Near Drakesba,d Lassen National Park Comment
  CAS-BOT-BC264358  Penstemon heterodoxus var. heterodoxus Mrs. C. E. Sutcliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  NY604244  Penstemon janishiae B. J. Ertter 1989-7-3 8667 Plumas Diamond Mountain peak ca. 7 airmiles south of Susanville. 2316.5 Comment
  UC1586114  Penstemon janishiae Barbara Ertter with Gary Schoolcraft 1989-7-3 8667 Plumas ca. 7 air mi s Susanville (bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  NY604287  Penstemon laetus var. laetus W. L. Jepson 1939-7-31 19307 Plumas Spanish Peak, lower slopes 2011.7 Comment
  JEPS11614  Penstemon laetus var. leptosepalus R. H. Platt 1891-1 Plumas near Prattville; Sierras, near Prattville Comment
  CHSC65517  Penstemon neotericus L. P. Janeway 1995-7-29 4883 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between Rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  SEINET10898223  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Plumas Sonora pass rocky crevices. Sierra nevada. Comment
  LA209544  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC28918  Penstemon personatus L. Hanson 1979-8-10 67 Plumas On ridge south of Coldwater Creek downslope from Coldwater Creek Rd. Comment
  CHSC62140  Penstemon roezlii L. P. Janeway 1993-7-15 4441 Plumas Plumas National Forest. Flat on top of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Feather River). 1569 Comment
  SEINET4207728  Penstemon roezlii Mikel R. Stevens 2011-8-27 217 Plumas 8 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.1 rd miles beyond Fingeboard Rd. Ca 8 air miles S of East Quincy.; 0 1930 Comment
  NY650128  Penstemon roezlii D. D. Keck 1928-6-15 444 Plumas Three miles west of Sloat 1310.6 Comment
  CHSC53223  Penstemon speciosus L. P. Janeway 1989-6-20 3361 Plumas Plumas National Forest. East-facing flank of Crocker Mtn. 1965 Comment
  CHSC34859  Perideridia bolanderi M. S. Taylor; M. Foster 1981-6-8 3865 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  SEINET10454547  Perideridia bolanderi Mary Susan Taylor 1982-6-10 Taylor 4626 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  CAS-BOT-BC211298  Perideridia gairdneri subsp. gairdneri Lowell Ahart 1981-7-21 2989 Plumas Along La Porte Quincy Road, Pilot Peak 2000 Comment
  UC174184  Perideridia lemmonii Katharine Brandegee Plumas Portola Comment
  CHSC40867  Perideridia parishii K. R. Stern 1985-6-25 8237 Plumas Vicinity of Blairsden. 1432 Comment
  CHSC21812  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-7-30 Plumas Bucks Lake Forest Service Survey. 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
  UC1542919  Perideridia parishii subsp. latifolia G. Schoolcraft 1987-6-17 1744 Plumas about 2 mi n Chester 1402 Comment
  UCD127866  Perideridia parishii subsp. latifolia John Thomas Howell 1960-7-20 35720 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC413559  Persicaria amphibia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1533 Plumas Butterfly Botanical Area and Vicinity. Area adjacent to Pond Reservoir 1097 Comment
  UCD99800  Persicaria lapathifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1416 Plumas About 2 miles south of Greenville, Indian Valley. Comment
  CAS-BOT-BC419232  Persicaria maculosa David D. Keck 1932-7-3 1665 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CHSC32825  Petasites frigidus var. palmatus W. Michael Foster 1981-4-26 11 Plumas Along Thompson creek and the Quincy-La Porte rd., ca. 2 mi se of East Quincy. Flood plain. 1082 Comment
  CDA12151  Phacelia hastata subsp. hastata G. F. Hrusa, J. Dinsdale 1989-6-27 7221 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  OBI13763  Phacelia heterophylla Lewis S. Rose 1967-7-12 67171 Plumas 1 mi S of Keddie, Butterfly Crk and Spanish Crk 884 Comment
  CHSC52523  Phacelia heterophylla subsp. virgata L. P. Janeway 1990-6-5 3696 Plumas Near top of ridge on W side of Little Long Valley Creek; ca 1.1 mi NE of Hwy 70/89. Bottom of rocky cut-bank of road 23N12. 1630 Comment
  CHSC91803  Phacelia heterophylla subsp. virgata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16317 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
  CHSC96917  Phacelia heterophylla subsp. virgata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14018 Plumas Around trees, east side of an open rocky flat, along the edge of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC572379  Phacelia humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  RSA537467  Phacelia humilis var. humilis Barbara Ertter, Gary Schoolcraft 1989-7-3 8636 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts ca 9 airmiles S of Susanville. 1768 Comment
  CHSC96852  Phacelia mutabilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14044 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS3245  Phacelia mutabilis Mrs. Emanuel Fritz 1933-7-15 Plumas Spanish Peak 2145 Comment
  CHSC118724  Phacelia mutabilis Noah Siegel; Wendy L. Boes 2015-5-28 2015002 Plumas Plumas National Forest. Location to east of Fales Basin, west of hairpin curve on Forest Service road 25N59. UTM 658936 E, 4437694 N, NAD83 Zone 10N. 1550 Comment
  UC672707  Phacelia mutabilis Lee Bonar 1942-7-31 Plumas hillside near Gold Lake Lodge 2011 Comment
  CHSC102578  Phacelia procera L. P. Janeway; B. Castro 2009-7-18 9860 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  CHSC73782  Phacelia procera B. Castro; L. Gehrung 1998-9-22 840 Plumas Near NW edge of Little Grass Valley Reservoir, on shaded SE-facing slope above Black Rock Inlet. 1722 Comment
  UCD120669  Phacelia racemosa W. R. Powell 1968-7-2 1601 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  JEPS103525  Phalaris arundinacea Lowell Ahart 2002-7-2 9832 Plumas 1 air mi SW of Franklin Hill; ; N side Forest Road 22N94, 50 yds W of Forest Rd 24N94E, on Hartman Bar Ridge, 4 1/2 air mi NW of Tamarack Flat, 9 air mi NW of La Porte 1583 Comment
  RSA88112  Phalaris arundinacea J. T. Howell 1951-8-21 28236 Plumas Mohawk 1372 Comment
  RSA0046809  Philadelphus lewisii G. T. Nordstrom 1934-7-2 166 Plumas 1 mi SE Mt. Ararat. 1585 Comment
  CAS-BOT-BC250780  Phleum alpinum John Thomas Howell 1960-7-22 35876 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC97086  Phleum alpinum Lowell Ahart; Josephine Guardino 2007-7-20 14342 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC260849  Phleum pratense John Thomas Howell 1961-6-21 36595 Plumas Greenville, Sierra Nevada 1097 Comment
  RSA603266  Phleum pratense Joseph A. Ewan 1934-7-19 8246 Plumas in barnyard of valley floor Dentens, Mohawk Valley 1616 Comment
  SEINET3144280  Phleum pratense E. K. Balls 1950-9-15 15844 Plumas 6 mi NW of Chester, Nrth Fork Feather River 1402 Comment
  SD7491  Phlox caespitosa Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  SJSU15157  Phlox diffusa N. A. Hopkins 1993-6-16 1731 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  JEPS28626  Phlox gracilis George W. Gillett 1957-7-18 814 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  UC726852  Phlox gracilis A. A. Heller 1938-5-21 15101 Plumas n of Chester 1304 Comment
  UC1586002  Phlox speciosa subsp. occidentalis Barbara Ertter with Gary Schoolcraft 1990-5-14 8976 Plumas e of Round Valley Reservoir (e side of mountain above Crescent Mills) 1371 Comment
  CHSC118809  Phlox stansburyi var. brevifolia Chelsea Morgan 2016-6-5 2016 -007 Plumas Diamond Mountains, ridge to west of Aspen Flat (UTM 700941 E, 4463171 N, NAD83 Zone 10 North; Elevation 7200 ft.) 2194 Comment
  RSA641462  Phoenicaulis cheiranthoides Michael A. Vincent 1999-6-8 8564 Plumas Along FS 28N03H about 0.25-0.5 miles south of FS Route 3. Comment
  SJSU14355  Phoenicaulis cheiranthoides N. A. Hopkins 1990-5-12 1618 Plumas c. 17.2 mi NW of Beckwourth on rd to Genessee 1706 Comment
  SJSU14710  Phoenicaulis cheiranthoides N. A. Hopkins 1991-6-3 1682 Plumas by Beckwourth-Genesee Valley Rd S of Red Clover Valley Ranch House 1524 Comment
  CAS-BOT-BC135165  Phoradendron juniperinum Wayne Dakan 1968-7-1 s.n. Plumas Butterfly Valley. Sierra Nevada Comment
  SEINET10903287  Phoradendron juniperinum Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4177 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
  UC466695  Physocarpus capitatus H. M. Hall 1912-6-26 9394 Plumas Butterfly Valley Comment
  CHSC77  Pinus contorta subsp. murrayana J. Kasak 1931-5-1 Plumas Humbug Valley. 1310 Comment
  UC1348768  Pinus contorta subsp. murrayana R. A. Cockrell 1937-8-5 8327 Plumas Meadow Valley 2042 Comment
  CHSC33871  Pinus jeffreyi M. S. Taylor 1981-5-10 3673 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, between rd and lake, ca 20 mi ne of Taylorville. 1536 Comment
  CAS-BOT-BC78945  Pinus monticola John Thomas Howell 1960-7-20 35777 Plumas Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CHSC30996  Pinus monticola M. S. Taylor; E. Pierce 1980-11-2 3367 Plumas Mt. Ingalls, ca. 30 mi s of Taylorville. 2551 Comment
  SEINET10530535  Pinus monticola Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CHSC4459  Pinus ponderosa C. Glascock 1965-2-6 216 Plumas 6.5 mi. E of Rich Bar turnoff on Hwy 70. Ca. 100 yds W of abandoned service station and cabin. Comment
  CHSC101940  Pinus ponderosa var. ponderosa Lowell Ahart; John Dittes 2009-7-15 16084 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC60166  Piperia elongata L. P. Janeway 1992-7-2 4248 Plumas Yellow Creek ca 0.8 mi north of North Fork Feather River and Belden. 716 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
  UCSC004661  Piperia unalascensis R. Coleman 1990-7-10 1899 -P Plumas Bucks Lake Comment
  CDA14595  Plagiobothrys bracteatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3079 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC102436  Plagiobothrys bracteatus L. P. Janeway; B. Castro 2009-6-7 9800 A Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 125 m southwest of Thompson Valley Creek. 1670 Comment
  JEPS61026  Plagiobothrys bracteatus W. L. Jepson 1910-6-4 4055 Plumas Big Meadows Prattville 1310 Comment
  JEPS101228  Plagiobothrys cognatus Dean W. Taylor 2000-8-12 17574 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  UC127237  Plagiobothrys cognatus A. A. Heller 1907-7-2 8680 Plumas between Vinton and Beckwith Comment
  SBBG128657  Plagiobothrys cusickii L. Ahart 2008-9-10 15394 Plumas below the high water line of Little Grass Valley Reservoir, N of the S Fork of the Feather River, SW of the horse camp, ca. 4.5 mi (air) N of La Porte 1537 Comment
  CHSC101865  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15900 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC117628  Plagiobothrys hispidulus Lowell Ahart 2016-8-30 21330 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  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
  OBI20594  Plagiobothrys hispidulus Lewis S. Rose 1967-6-11 67105 Plumas Quincy 1036 Comment
  RSA80412  Plagiobothrys mollis F. W. Peirson 1926-6-21 6803 Plumas Flat open strip along shore of Lake Almanor. 1448 Comment
  SBBG32396  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Butterfly Valley, ca. 3 mi W of Keddie 1219 Comment
  SD6756  Plagiobothrys tenellus unknown 1876-1 Plumas American Valley Comment
  OBI20915  Plagiobothrys tenellus Lewis S. Rose 1967-5-6 67058 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  CAS-BOT-BC228453  Plagiobothrys torreyi John Thomas Howell 1962-6-18 37777 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC110628  Plagiobothrys torreyi var. diffusus B. Castro; L. P. Janeway 2006-6-14 1560 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1665 Comment
  CHSC69516  Plantago major Lowell Ahart 1997-9-11 7897 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  SBBG21828  Platanthera dilatata var. leucostachys D. Myrick 1964-7-21 899 Plumas Drakesbad 1737 Comment
  SEINET10470063  Platanthera dilatata var. leucostachys Mary Susan Taylor 1981-1 Plumas Comment
  RSA101509  Platanthera leucostachys R. Weatherby 1955-7-5 1596 Plumas Pine Creek near Argentine Rock Lookout. Comment
  CHSC36214  Platanthera sparsiflora M. S. Taylor 1982-7-12 4811 Plumas At headwaters of Chris Creek, ca. 6 mi nw of Mohawk. 2011 Comment
  UC1371041  Platanthera sparsiflora Theodore F. Niehaus 1965-6-23 589 Plumas immediately e Buck Summit (Quincy road, meadow above road); Bucks Lake Comment
  UCD92212  Poa W. A. Wagner 1919-5-25 265 Plumas Squirrel Creek, vicinity of Quincy. 1584 Comment
  CAS-BOT-BC254610  Poa X limosa John Thomas Howell 1967-6-23 42672 Plumas Canyon of Butterfly Creek 975 Comment
  POM113569  Poa annua Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CHSC74049  Poa bolanderi B. Castro 1997-8-28 781 Plumas Ca 4.5 air mi NE of Little Grass Valley Reservoir, on ridge system west of Pilot Peak, on N side of USFS Rd 22N60. Ridgetop, a few yards N of Pacific Crest Trail. 1987 Comment
  UCD105402  Poa bulbosa subsp. bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  CHSC112550  Poa cusickii B. Castro; L. P. Janeway 2007-6-24 1644 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 800 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  UCD90940  Poa cusickii subsp. epilis A. A. Heller 1942-5-8 16464 Plumas West of Vinton. 1524 Comment
  CAS-BOT-BC247272  Poa palustris John Thomas Howell 1955-7-19 30735 Plumas Portola 1478 Comment
  CAS-BOT-BC247280  Poa palustris Lowell Ahart 1981-9-6 3064 Plumas About 6 miles N of Taylorsville 1300 Comment
  CDA13566  Poa pratensis G. F. Hrusa, T. D. Wilfred 1996-7-22 13394 Plumas Sierra Nevada; PLUMAS NATIONAL FOREST: Rhizomatous perennial in deep shade in moist bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  SEINET264684 Image available Poa pratensis S. Scott sn Plumas Plumas National Forest ; Sierra Nevada Range eastern side Milford Ranger District Ingalls area 1768 Comment
  CHSC94239  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  SEINET10659349  Poa scabrella Mary Susan Taylor 1982-6-14 Taylor 4655 Plumas T27N R12E sw1/4 nw1/4 sec 12. Antelope Lake quad. In wet montane meadow, Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. With Potentilla gracilis nuttallii. 1536 Comment
  UCD32543  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
  UC1024661  Poa secunda subsp. juncifolia Leo Whitney 1934-8-10 2188 Plumas ca 10 mi nw Portola; Plumas Nat'l Forest, Big Grizzly Valley 1828 Comment
  CHSC60514  Poa secunda subsp. secunda L. P. Janeway 1992-5-22 4195 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. 1487 Comment
  UCD91654  Poa secunda subsp. secunda John Thomas Howell 1975-6-16 51151 Plumas Sierra Nevada. 2 miles NW of Spring Garden. 1173 Comment
  CHSC36308  Polemonium micranthum M. S. Taylor 1982-5-7 4413 Plumas Ramelli Ranch, near an oxbow lake off Feather River, e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. 1487 Comment
  JEPS107704  Polygonum arenastrum Lowell Ahart, John Dittes 2005-9-19 12410 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1986 Comment
  CAS-BOT-BC414218  Polygonum aviculare subsp. depressum John Thomas Howell 1960-7-19 35614 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  UC85157  Polygonum davisiae R. M. A. July 1896 447 Plumas Lassens Peak Comment
  HSC17503  Polygonum douglasii L. S. Rose 1967-7-9 67142 Plumas Quincy 1037 Comment
  CAS-BOT-BC414546  Polygonum douglasii Robert J. Weatherby 1955-7-2 1570 Plumas Bear Ridge near Taylor Lake 2194 Comment
  CHSC108467  Polygonum douglasii subsp. douglasii Lowell Ahart 2011-9-17 17669 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 miles west of Little Grass Valley Reservoir. 1645 Comment
  CHSC32015  Polygonum douglasii subsp. douglasii L. Ahart 1974-8-3 582 Plumas In small meadow, above Hopkins Creek, near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  CHSC53209  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-6-14 3305 Plumas Plumas National Forest Beckwourth Ranger District. Forest along S'ly side of Red Clover Valley. 1699 Comment
  CHSC73809  Polygonum douglasii subsp. douglasii B. Castro; G. Kuenster, L. Gehrung 1994-9-19 547 A Plumas Ca 1.5 air mi S of Bucks Lake, and 0.2 mi W of USFS Rd 23N18, on dirt road to Cedar Flat. 1688 Comment
  JEPS113594  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
  JEPS113605  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes 2007-6-16 14091 Plumas On dry 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
  RSA52913  Polygonum lapathifolium R. Weatherby 1950-7-21 1470 Plumas East Quincy. 1037 Comment
  CAS-BOT-BC419837  Polygonum parryi John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 1998 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC87820  Polygonum parryi Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11014 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1357 Comment
  CAS-BOT-BC419838  Polygonum parryi Walter Knight; Irja Knight 1967-5-22 1909 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC91739  Polygonum polygaloides subsp. confertiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is 39deg 55' N; 120deg 11' W]. 1706 Comment
  UC965537  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1952-7-17 14389 Plumas Beckwourth Sierra Valley Comment
  SEINET3840887  Polygonum polygaloides subsp. esotericum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3846 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CAS-BOT-BC420043  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1976-6-7 4603 Plumas Central area of summit ridge, secondary road betw. Rte. 70 and La Porte 1950 Comment
  CHSC81400  Polygonum ramosissimum subsp. prolificum Lowell Ahart 2001-9-18 9290 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  RSA537633  Polygonum sawatchense Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8642 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville 2134 Comment
  SEINET10479788  Polygonum sawatchense Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5193 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC420208  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC32021  Polygonum shastense L. Ahart 1974-10-1 649 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  CHSC63470  Polygonum shastense Lowell Ahart 1994-7-20 7486 Plumas Open bare area, north of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Also says Sierra County. 1981 Comment
  SJSU14462  Polygonum spergulariiforme N. A. Hopkins 1990-8-31 1637 Plumas by dirt rd 11.2 mi NW of Beckwourth 1645 Comment
  CAS-BOT-BC71840  Polypodium californicum J. G. Lemmon 1880-1-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC76837  Polypodium glycyrrhiza John Thomas Howell; Gordon H. True 1967-5-9 42212 Plumas Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CHSC9712  Polystichum imbricans Nancy Mosman 1971-7-11 79 Plumas On w side ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  CHSC117008  Polystichum imbricans subsp. imbricans Lowell Ahart 2016-6-29 21058 Plumas On the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC72360  Polystichum imbricans subsp. imbricans John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54135 Plumas Round Valley Reservoir dam 1371 Comment
  UCD159709  Polystichum scopulinum G. Ledyard Stebbins 1970-7-24 7074 A Plumas Base of ridge northwest of Round Lake, Lakes Basin south of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2133 Comment
  HSC19898  Populus tremuloides W. R. Rogers 1966-7-12 275 Plumas 1829 Comment
  UC1134791  Populus tremuloides C. W. Hanks 1934-8-10 41 Plumas Canyon bottom ne Sierra Valley; Plumas National Forest, Sierraville Quad. Comment
  CHSC55587  Populus trichocarpa K. R. Stern 1985-6-25 8189 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC7192  Populus trichocarpa Lynn R Thomas 1969-3-6 8 Plumas E side intersection of 4th St. and 3rd. Ave., 100 yds. W of N. Fork Feather River (s of Calif. 36), Chester. 1371 Comment
  RSA769215  Portulaca oleracea L. Ahart, John Dittes 2009-9-7 16389 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CHSC81648  Potamogeton crispus Lowell Ahart 2001-10-8 9313 Plumas In shallow water of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC267205  Potamogeton foliosus Malcom A. Nobs; S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  POM312995  Potamogeton foliosus Malcolm A. Nobs, S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. 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
  CHSC92135  Potamogeton natans Lowell Ahart; John Dittes 2005-9-20 12431 Plumas In Mud lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  JEPS87464  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  SEINET10483933  Potentilla Mary Susan Taylor 1981-7-6 Taylor 3976 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-BC6235  Potentilla aperta Amos Arthur Heller; P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  CDA26075  Potentilla biennis L. Ahart 2001-8-29 9237 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  CHSC53171  Potentilla glandulosa subsp. ashlandica L. P. Janeway 1989-6-22 3366 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw; along rd 24N49Y. 1804 Comment
  JEPS48880  Potentilla gracilis Esther C. Fritz 1933-7-18 Plumas below Camp Califorest; Schneider Meadow Comment
  CHSC76142  Potentilla gracilis var. fastigiata G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3220 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  CAS-BOT-BC540407  Potentilla gracilis var. fastigiata John Thomas Howell 1961-6-21 36689 Plumas Sierra Nevada, Greenville 1097 Comment
  UC114494  Potentilla millefolia Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CDA40573  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131720 Plumas Quincy; Lee Road, site #2. 0 Comment
  CDA40574  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131721 Plumas Quincy; Lee Road, site #1. 0 Comment
  CAS-BOT-BC145202  Potentilla rivalis James T. Vale 1980-9-22 s.n. Plumas Lake Almanor -- nw. end near Chester Comment
  SJSU5817  Potentilla rivalis J. W. Tilden 1958-6-29 1306 Plumas NW shore L Almanor 1828 Comment
  CHSC102386  Poteridium annuum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16126 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  RSA252506  Prunus andersonii Robert F. Thorne, C. W. Tilforth 1969-9-6 39252 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CAS-BOT-BC158133  Prunus emarginata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54272 Plumas Mt. Hough 2203 Comment
  CAS-BOT-BC158141  Prunus emarginata A. A. Heller; P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC158154  Prunus emarginata Enid A. Larson 1971-6-18 s.n. Plumas Packers corral at Onion Valley Comment
  UC1128343  Prunus emarginata G. Burks 1933-8-8 35 Plumas 2 mi w of Franklin Hill (Plumas National Forest); Plumas National Forest 1645 Comment
  UCD113528  Prunus virginiana var. demissa Matt Georgeff 1992-5-17 20 Plumas Snake Lake campground, 15 miles west of Quincy, 0.5 mile from campground. 1249 Comment
  CAS-BOT-BC361483  Pseudognaphalium stramineum John Thomas Howell 1959-9-21 34794 Plumas Virgilia 841 Comment
  JEPS122096  Pseudognaphalium thermale Lowell Ahart 2014-8-24 19763 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC21027  Pseudostellaria jamesiana F. T. Griggs; A. Pass 1975-7-10 146 Plumas Bucks Lake Forest Service Survey. Comment
  RSA755004  Pseudostellaria jamesiana L. Ahart 2008-7-16 15100 Plumas West of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the south Fork of the Feather River flows into Little Grass Valley Reservoir., About 2.5 air miles north of La Porte. 1598 Comment
  RSA756865  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17785 Plumas Southeast Diamond Mountains northeast of Frenchman Lake, northeast slope of rhyolite plug, between Galeppi Creek and Spring Creek. 2195 Comment
  SD8163  Pseudostellaria jamesiana Daniel Cleveland Jul 1882 Plumas Big Springs, Big Meadows Comment
  OBI69176  Pseudotsuga menziesii var. menziesii Kristina L. Schultz, Dan Schultz 2000-11-3 5 Plumas Quincy Range. Located directly off trl at the intersection of Jackson St. and Old Meadow Valley rd 1067 Comment
  CAS-BOT-BC72612  Pteridium aquilinum John Thomas Howell; Gordon H. True 1969-6-23 45808 Plumas 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  JEPS107683  Pteridium aquilinum var. pubescens Lowell Ahart, John Dittes 2005-9-19 12404 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  UCD136189  Pteridium aquilinum var. pubescens James I. Mallory 1969-8-21 355 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  POM76805  Pterospora andromedea Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC453563  Pterospora andromedea E. K. Balls 1950-9-1 15618 Plumas Trail from south point of Long Lake to Lakes Center Camping Ground 2011 Comment
  SEINET10454559  Pteryxia terebinthina var. californica Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4967 Plumas T21N R11E se sec 3. Sierra City NW quad. On ridge between Florentine Cyn and Spencer Lakes, ca. 5 mi sw of Johnsville. 7000 ft. 2133 Comment
  CDA13988  Pycnanthemum californicum G. F. Hrusa 1996-8-2 13450 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, ca. 1 mi. NW of Argentine Rock. Comment
  CAS-BOT-BC462901  Pyrola picta John Thomas Howell 1960-7-14 35695 Plumas Lassen Volcanic National Park: Drakesbad 1828 Comment
  SD7831  Pyrola picta f. aphylla Mrs. R. M. Austin 1887-1 Plumas American Valley Comment
  CHSC34919  Pyrrocoma carthamoides var. cusickii M. S. Taylor 1981-7-21 4082 Plumas NE corner of jct of 25N42 and 401 (E and above Squirrel Creek), ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC328156  Pyrrocoma lucida John Thomas Howell 1961-9-23 36869 Plumas Indian Valley, Sierra Nevada 1082 Comment
  UC295911  Pyrrocoma lucida Katharine Brandegee 1913-1 Plumas Portola Comment
  CAS-BOT-BC93984  Quercus durata John Thomas Howell 1951-8-19 28168 Plumas near Rich Bar 792 Comment
  CHSC33933  Quercus durata var. durata M. S. Taylor; M. Foster 1981-7-18 4053 Plumas N side of Caribou Rd, ca. 4 mi ne of its jct with Hwy 70 near Beldon. 822 Comment
  CHSC67437  Quercus garryana var. semota James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2564 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  UCD46128  Quercus garryana var. semota John Thomas Howell 1959-9-26 35067 Plumas Near Virgilia. 838 Comment
  CAS-BOT-BC105309  Quercus kelloggii Lloyd W. Swift 1931-7-20 38 Plumas Plumas Forest. Skinner Flat, near Lake Almanor Dam 1371 Comment
  CAS-BOT-BC105316  Quercus kelloggii M. B. Kildale 1926-9-11 2766 Plumas branch of North Fork Feather River between Greenville & Quincy 1219 Comment
  SEINET10431527  Quercus kelloggii R. J. Holl 1949-5-28 s.n. Plumas 3 miles N of Quincy. 1036 Comment
  CAS-BOT-BC104591  Quercus vacciniifolia David D. Keck 1932-7-3 1708 Plumas Northern Sierra Nevada. Quincy, Water supply canyon to the left hand just S of town 1065 Comment
  CAS-BOT-BC104602  Quercus vacciniifolia Mrs. E. C. Suttiffe 1921-10-1 s.n. Plumas Golden Lake Region Comment
  UCD47415  Quercus vacciniifolia F. W. Embree 1934-6-6 79 Plumas one mile south, 1/4 mile west of Rutherford. 1615 Comment
  CHSC107439  Ranunculus alismifolius var. alismellus Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 2 Plumas Northern High Sierra Nevada. 0.2 miles (air) South of Goat Mountain on opposite side of Pancake Ravine in a wet meadow on a N facing 0-25% slope. 1626 Comment
  CHSC61668  Ranunculus alismifolius var. alismellus Vernon H. Oswald; Lowell Ahart 1993-8-25 5869 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.3 mi upstream from the S boundary of the park. In forest on the E side of the creek, between the cascades and Twin Mdws. 2049 Comment
  CHSC82460  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, about 150 yards north of the gravel road, about 1/4 mile (air) west of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1718 Comment
  CAS-BOT-BC379236  Ranunculus alismifolius var. alismellus A. A. Heller; P. B. Kennedy 1907-7-9 8792 Plumas Prattville Comment
  SEINET10535960  Ranunculus alismifolius var. hartwegii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4338 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC42067  Ranunculus alismifolius var. lemmonii Kimber Hostetter 1986-4-12 9 Plumas Ca. 1.6 km on Butterfly Valley Botanical Gardens turnoff, off Hwy. 70 at Keddie Resort, ca. 8 km n of Quincy. 1500 Comment
  RSA726285  Ranunculus aquatilis L. Ahart 2007-6-16 14130 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
  SEINET5338404  Ranunculus aquatilis T. Ramelli 1948-5-16 39 Plumas .5 miles west of Vinton, Calif. Comment
  UC827623  Ranunculus aquatilis var. capillaceus Miss T. V. Raphael Aug. 1917 Plumas Johnsville Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC378978  Ranunculus aquatilis var. diffusus Robert J. Weatherby 1950-7-7 1454 Plumas Quincy 1219 Comment
  JEPS102530  Ranunculus cymbalaria var. saximontanus Lowell Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET8700041  Ranunculus occidentalis var. occidentalis C. Tanner 1999-5-17 s.n. Plumas Portola, along both sides of Todd Road, ca 0.25 mile S of C. Roy Carmichael school. 1487 Comment
  UC1126212  Ranunculus orthorhynchus var. orthorhynchus P. G. Haddock 1938-5-29 2 Plumas Little Schneider Plumas National Forest, Bidwell Bar Quadrangle 1158 Comment
  SBBG30507  Ranunculus uncinatus D. Myrick 1968-6-18 1936 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC362888  Ratibida columnifera F. B. Cayot 1913-8-12 31 Plumas Plumas National Forest. Three Mile [Threemilel] Valley 1767 Comment
  CAS-BOT-BC55824  Rhamnus John Thomas Howell 1977-6-21 52395 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  POM180962  Rhamnus rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  RSA212160  Rhamnus rubra L. S. Rose 1969-6-23 69044 Plumas 10 miles SW of Quincy La Porte Road. 1250 Comment
  CAS-BOT-BC56570  Rhododendron columbianum Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC56572  Rhododendron columbianum Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  PASA1597  Rhododendron occidentale Margaret Stason 1932-6-23 450 Plumas road between mineral and viola Comment
  CHSC44976  Ribes K. R. Stern 1985-6-25 8249 Plumas Vicinity of Blairsden. Comment
  CAS-BOT-BC92391  Ribes aureum var. aureum Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  CAS-BOT-BC108714  Ribes cereum Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake. Comment
  UC1586417  Ribes cereum Vernon H. Oswald and Lowell Ahart 1991-6-18 4689 Plumas ca. 5.5 mi (air) n Greenville (ne side of lake); Homer Lake 1920 Comment
  CAS-BOT-BC219222  Ribes nevadense Anna Head 1920-7-25 s.n. Plumas Above Lake Center Camp Comment
  CHSC101938  Ribes nevadense Lowell Ahart; John Dittes 2009-7-15 16103 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC70263  Ribes nevadense B. Castro; R. Fallscheer, R. Zebell 1989-8-7 360 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1737 Comment
  CHSC76134  Ribes nevadense G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3309 Plumas Diamond Mountain Road 1.4 miles north-northeast of Engle Mine townsite. 1295 Comment
  CHSC21098  Ribes roezlii F. T. Griggs; A. Pass 1975-7-3 74 Plumas N. of Grizzly Forebay. Buck's Lake Forest Service Survey. Comment
  UC1127575  Ribes roezlii G. T. Nordstrom 1934-7-7 190 Plumas 1 1/2 mi s and 1/2 e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCD19441  Ribes roezlii W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake, along quarry road. 1584 Comment
  UCSB16018  Ribes roezlii 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-BC173856  Ribes velutinum John Thomas Howell; R. C. Barneby 1954-5-14 29552 Plumas Beckwourth Pass 1584 Comment
  UC725661  Ribes velutinum A. A. Heller 1942-5-8 16469 Plumas Vinton cemetery 1524 Comment
  CAS-BOT-BC168780  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte 2103 Comment
  CAS-BOT-BC363066  Rigiopappus leptocladus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 1988 Plumas Butterfly Botanical Area and Vicinity. Valley proper, near barn 1036 Comment
  CDA18592  Rorippa curvisiliqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3273 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  CAS-BOT-BC74637  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  JEPS122115  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS121739  Rorippa nasturtium-aquaticum B. Castro and L. P. Janeway 2008-6-7 1737 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. In channel of Thompson Creek, near small rock dam. Comment
  CHSC40864  Rorippa sphaerocarpa K. R. Stern 1985-6-25 8194 Plumas Vicinity of Blairsden. 1371 Comment
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  UCD19152  Rosa June McCaskill 19__? 321 Plumas Lake Almanor region? Comment
  CHSC87999  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11174 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2053 Comment
  JEPS105834  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11001 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC148171  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2627 Plumas Ner Overnight Camp - Butterfly Botanical Area and vicnity 1097 Comment
  CDA31975  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-28 16195 Plumas Near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. Comment
  CHSC82363  Rosa gymnocarpa Lowell Ahart 2002-7-6 9854 Plumas On the northwest side of Axford Creek, about 300 yards northeast of the gravel road, about 1 1/4 mile (air) east of the Robinson Mine, about 2 miles (air) southwest of Grizzly Mountain, about 4 miles (air) southwest of Haskins Valley and Bucks Lake. 1648 Comment
  RSA754540  Rosa gymnocarpa L. Ahart, John Dittes 2009-7-28 16195 Plumas Near seeps, slope NW of mine, W (above) Forest Service Road 27N28Y, 2.9 air miles NW of Butt Valley Reservoir Dam. 1582 Comment
  JEPS102528  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  JEPS115090  Rubus leucodermis Lowell Ahart, John Dittes 2009-7-14 16071 Plumas On the south side of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  CHSC45867  Rumex acetosella Lowell Ahart 1973-5-31 249 Plumas Near the dirt road, near the Little North Fork of the Feather River. 1066 Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  UC1136213  Rumex acetosella A. Lewis 1934-7-18 486 Plumas Little Grass Valley Plumas National Forest, Downieville Quad. 1524 Comment
  CAS-BOT-BC433518  Rumex fueginus John Thomas Howell 1961-9-25 36948 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC434315  Rumex triangulivalvis Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  SEINET3840880  Sagina saginoides G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-24 3223 Plumas One mile suoth of junction of Mount Hough-Crystal Lake Road with China Grade Road (road to Taylorsville), Rhinehart meadow 1680 Comment
  UC54240  Sagittaria cuneata H. M. Hall and E. B. Babcock July, 1903 4417 Plumas in small lake of nw Plumas Co. Sierra Nevada Mountains 1645 Comment
  UCSC001857  Sagittaria latifolia H. S. Yates 1936-8-12 6089 Plumas Lake Almanor - Prattville 1341 Comment
  CAS-BOT-BC445746  Sagittaria latifolia David D. Keck 1932-7-3 1687 Plumas In backwaters of Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  SEINET10465398  Sagittaria latifolia Mary Susan Taylor 1982-9-8 Taylor 5123 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC69162  Sagittaria rigida Vernon Oswald 1997-8-1 8809 A 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
  UC440202  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9334 Plumas s side of main lake Bear Lakes 1981 Comment
  NY280558  Salix exigua var. exigua R. D. Dorn 1998-7-28 7675 Plumas Ca. 1.5 mi NE of Long Lake. 1950.7 Comment
  CHSC113848  Salix exigua var. hindsiana Lowell Ahart 2014-9-9 19851 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CAS-BOT-BC107967  Salix geyeriana John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2396 Plumas End of Butterfly Valley toward canyon - Sierra Nevada Comment
  CAS-BOT-BC107968  Salix geyeriana John Thomas Howell 1955-7-20 30840 Plumas Mohawk 1371 Comment
  UC525906  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 696 Plumas Fork of Feather River ca. 5 mi s.w. of Prattville Comment
  UC525899  Salix lasiandra subsp. lasiandra C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 698 Plumas ca. 5 mi. s.w. Prattville (Fork of Feather R.); Fork of Feather R. Comment
  CAS-BOT-BC125309  Salix lasiandra var. lasiandra John Thomas Howell 1955-7-20 30841 Plumas Mohawk 1371 Comment
  CAS-BOT-BC125320  Salix lasiandra var. lasiandra M. S. Taylor 1982-5-16 4454 Plumas Along creek ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley 1310 Comment
  CAS-BOT-BC125329  Salix lasiandra var. lasiandra C. H. M. 1906-10-1 s.n. Plumas Quincy Comment
  CHSC9576  Salix lasiolepis E. L. Smith 1971-4-28 950 Plumas N city limits in Quincy. 1043 Comment
  CAS-BOT-BC128431  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC128443  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54389 Plumas Meadow and meadow borders, 0.3 miles southwest of Bucks Summit on road to Bucks Lake - Sierra Nevada 1645 Comment
  CAS-BOT-BC124790  Salix lemmonii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC124801  Salix lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1882 Plumas At north end of Butterfly Valley proper 1036 Comment
  CHSC69902  Salix lemmonii L. P. Janeway 1997-5-14 5124 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  UC1135030  Salix lemmonii E. Sawyer 1935-5-27 40 Plumas 1 1/4 mi nnw Kerby; Sierraville Quadrangle 1554 Comment
  SD979  Salix ligulifolia Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester on flood plain at highway bridge 1349 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
  CHSC80690  Salix lucida subsp. lasiandra Lowell Ahart 2001-6-4 8755 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1594 Comment
  CAS-BOT-BC129400  Salix melanopsis L. W. Swift 1934-9-13 126 Plumas Sloat 1463 Comment
  CHSC76144  Salix melanopsis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3316 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek. 1341 Comment
  RSA158049  Salvia apiana T. C. Fuller 1962-6-13 8998 Plumas Rt. 1, Box 7, N Road, Indian Valley, 2 miles E of Greenville. Comment
  JEPS12743  Sambucus mexicana Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC238844  Sambucus nigra subsp. caerulea Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, near Green Lake, Feather River Region 1920 Comment
  CHSC21177  Sambucus racemosa var. microbotrys F. T. Griggs; A. Pass 1975-7-16 190 Plumas Buck's Lake Forest Service Survey Comment
  CAS-BOT-BC235197  Sambucus racemosa var. racemosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC235198  Sambucus racemosa var. racemosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CDA17237  Sanguisorba annua G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16340 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
  RSA471447  Sanicula bipinnatifida Christopher Davidson 1975-6-7 2735 Plumas 4.6 mi N of Greenville on Hwy 89 1238 Comment
  CDA11850  Sanicula graveolens G. F. Hrusa, E. Sandoval 1993-5-3 11138 Plumas Surrounding Snake Lake., nr. Quincy. Comment
  CHSC89816  Sanicula graveolens G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3202 Plumas Sierra Nevada. 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC62524  Sanicula tuberosa B. Castro 1993-7-8 474 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  JEPS956  Sanicula tuberosa W. L. Jepson 1927-6-23 12305 Plumas Warner Creek 1584 Comment
  JEPS120771  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  CHSC21116  Sarcodes sanguinea F. T. Griggs; A. Pass 1975-7-1 20 Plumas East of Grizzly Creek. Comment
  SBBG26810  Sarcodes sanguinea J. Ownbey, R. P. Ownbey 1938-7-14 1741 Plumas below Humboldt Summit on rd between Jonesville and Lake Almanor Comment
  UC570336  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/4 mi. s.e. Grizzly Peak; Plumas Nat'l Forest 1554 Comment
  CAS-BOT-BC466217  Sarcodes sanguinea Elmer I. Applegate 1929-6-21 5796 Plumas Between Kelly's Camp and Drankesbad, Warner Valley, Mt. Lassen region Comment
  SEINET10874401  Sarcodes sanguinea Mary Susan Taylor 1982-6-2 Taylor 4588 Plumas T23N R12E se/nw sec 29. Johnsville quad. W side of spur rd off 23N49, 0.5 mi s of its jct to 23N49, just sw of Mt Jackson, 3 mi n Mohawk line. 1524 Comment
  CHSC21305  Saxifraga mertensiana F. T. Griggs; A. Pass 1975-7-8 119 Plumas Buck's Lake. Comment
  RSA0102602  Sceptridium multifidum E. K. Balls 1950-9-9 15732 Plumas W. of Lakes Center Public Camp. 2042 Comment
  RSA715684  Schedonorus arundinaceus L. Ahart, Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1598 Comment
  UC1594684  Schoenoplectus subterminalis Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5036 Plumas via Gold Lake Forest Hwy (County Rd. 519) ca 5 mi (air) ssw Graeagle (Grass Lake located just w of Lakes Basin Campground, w end Grass Lake); w end Grass Lake, w of Lakes Basin Campground 1926 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
  JEPS114818  Scirpus microcarpus Lowell Ahart 2008-8-14 15210 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoi 1600 Comment
  SJSU13922  Scirpus microcarpus N. A. Hopkins 1985-8-27 1306 Plumas Grass Lake 1767 Comment
  UC170945  Sclerolinon digynum H. M. Hall 1912-8-3 9382 Plumas Quincy; Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC214250  Scutellaria nana David D. Keck 1932-7-6 1720 Plumas 6 miles west of Chester, Sierra Nevada 1524 Comment
  UC1523372  Scutellaria siphocampyloides J. G. Lemmon September 1874 Plumas Comment
  SD6635  Scutellaria tuberosa Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  CHSC118119  Sedum albomarginatum P. F. Zika 2012-5-15 25865 Plumas Serpentine Canyon, above Route 70, 1.5 air miles S ... Field redacted by CHSC, contact the data manager for more information 830 Comment
  CHSC36212  Sedum obtusatum subsp. boreale M. S. Taylor 1982-7-12 4823 Plumas On n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground, near Plumas-Eureka State Park. 1828 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
  SEINET6409438  Selaginella wallacei J. T. Howell 1959-9-26 35082 Plumas Sierra Nevada, Storrie 549 Comment
  SEINET6340525  Selaginella watsonii H. N. Mozingo 1977-6-14 77 -37 Plumas 1.2 mile inside Plumas Co. border along Rt. 70. Comment
  CHSC89476  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 207 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CHSC57418  Senecio hydrophiloides L. P. Janeway; Garrett Gibson 1991-6-24 4063 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Middle of a meadow. 1691 Comment
  CAS-BOT-BC363727  Senecio hydrophilus W. Harnach; N. Harnach 1991-6-30 599 Plumas Sierra Valley. Approx. 1 mile south of the Steel Bridge on Marble lane 1486 Comment
  CAS-BOT-BC363728  Senecio hydrophilus L. P. Janeway; Jannice Cutler 1992-5-26 4203 Plumas Plumas National Forest, Beckwourth Ranger District. Ca. 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove 1761 Comment
  CAS-BOT-BC363795  Senecio integerrimus John Thomas Howell 1962-6-17 37697 Plumas Portola 1463 Comment
  CAS-BOT-BC363923  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  CDA18667  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas NF. 1783 Comment
  CHSC37028  Senecio integerrimus var. exaltatus M. S. Taylor 1982-5-7 4416 Plumas Ramelli Ranch, s side of Feather River, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  UC1542939  Senecio integerrimus var. exaltatus G. Schoolcraft 1987-5-5 1694 Plumas Harrison Ranch 1584 Comment
  RSA0124934  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-16 7472 Plumas Diamond Peak. 2134 Comment
  CAS-BOT-BC364036  Senecio integerrimus var. major Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1951 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  SEINET11806673  Senecio pauciflorus var. jucundulus L. Ahart, Ahart, P. 1983-1 4322 Plumas near Onion Valley, W of Pilot Peak, near Quincy-LaPorte Rd, NE of La Porte 2000 Comment
  CAS-BOT-BC364395  Senecio triangularis John Thomas Howell 1955-7-20 30835 Plumas Mohawk 1371 Comment
  JEPS37449  Senecio triangularis W. L. Jepson 1939-7-31 19325 Plumas Buck Valley 1584 Comment
  RSA59418  Senecio triangularis E. K. Balls 1950-9-8 15707 Plumas Lakes Center Public Campground, Southern Plumas County. 2043 Comment
  CHSC61704  Sibbaldia procumbens Vernon H. Oswald; Lowell Ahart 1993-8-25 5870 Plumas Lassen Volcanic National Park. North Arm of Rice Creek near the N end of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the edge of the creek. 2057 Comment
  CAS-BOT-BC213138  Sidalcea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54111 Plumas 10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada 1889 Comment
  CHSC82964  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7698 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  CHSC20781  Sidalcea glaucescens K. R. Stern 1975-7-24 5834 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC21727  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-8-5 304 Plumas Buck's Lake Forest Service Survey. 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
  UCD116648  Sidalcea glaucescens Elaine A. Ahrenholz 1962-5-5 51 Plumas 1 mile north of Greenville. 1066 Comment
  SEINET11991592  Sidalcea malviflora subsp. asprella L. Ahart, Ahart, P. 1983-1 4341 Plumas near Onion Valley, W of Pilot Peak, near Quincy-LaPorte Rd, NE of La Porte 2000 Comment
  CHSC4627  Sidalcea oregana subsp. spicata R. Carter 1966-7-10 482 Plumas Found Bucks Lake just S of Haskins Creek along E side USFS road 24N25. 1524 Comment
  CHSC91945  Sidalcea oregana subsp. spicata Lowell Ahart; Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast 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
  JEPS46169  Sidalcea oregana subsp. spicata W. I. Follett 1934-6-4 Plumas 1.3 mi w Bucks Lodge; w of Bucks Lodge Comment
  JEPS97969  Sidalcea oregana subsp. spicata B. G. Baldwin 1999-8-7 1090 Plumas N of Almanor Reservoir (E of Chester) (along road to Last Chance Campground (USFS), along E edge of Last Chance Marsh, where marsh extends E of road at junction with road bearing E) Comment
  JEPS51029  Silene californica W. L. Jepson 1939-7-31 19292 Plumas w Meadow Valley; w of Meadow Valley 1524 Comment
  CHSC61726  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-25 5872 Plumas Lassen Volcanic National Park. S end of the arm of the North Fork of Rice Creek draining the N unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the creek. 2057 Comment
  CHSC63454  Silene invisa Lowell Ahart 1994-7-22 7502 Plumas Plumas/Sierra County. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CHSC67359  Silene laciniata subsp. californica James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2571 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  CAS-BOT-BC389385  Silene lemmonii Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CDA14721  Silene lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3243 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  JEPS113388  Silene lemmonii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14058 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  RSA71063  Silene lemmonii L. S. Rose 1951-6-27 51039 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  CAS-BOT-BC389403  Silene lemmonii Alice Rosenberg 1917-6-22 s.n. Plumas Blairsden Comment
  JEPS51003  Silene lemmonii W. L. Jepson 1910-6-12 4122 Plumas near Mt. Harkness; near Mt. Harkness 1584 Comment
  RSA109809  Silene lemmonii E. K. Balls, Lee W. Lenz 1956-6-19 21841 Plumas 1.2 miles E along State Hwy 89 from southern tip of Lake Almanor. Comment
  CAS-BOT-BC389556  Silene nuda M. S. Taylor 1982-6-28 4764 Plumas Ramelli Ranch, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth 1487 Comment
  SD8100  Silene nuda Mrs. R. M. Austin July 1882 Plumas Round Valley Comment
  CAS-BOT-BC389614  Silene sargentii Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) 2042 Comment
  CAS-BOT-BC75119  Sisymbrium altissimum David D. Keck 1932-7-3 1685 Plumas Quincy, in the northern Sierra Nevada. 1065 Comment
  RSA0089044  Sisyrinchium bellum Bonnie C. Templeton 1968-6-9 11247 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  RSA169438  Sisyrinchium bellum Lewis S. Rose 1963-6-3 63089 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  UCD150433  Sisyrinchium elmeri William Anderson 1965-6-6 s.n. Plumas Butterfly [Valley]. Comment
  NY185689  Smelowskia ovalis var. congesta J. G. Lemmon 1872-1 s.n. Plumas Sassen's (?illegible) Peak Comment
  CDA34548  Solidago canadensis subsp. elongata L. Ahart 2008-8-13 15191 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. Comment
  UC88104  Solidago spectabilis Mrs. R. M. Austin Aug 1896 371 Plumas Big Meadows Comment
  SDSU526  Solidago velutina subsp. californica D. F. Howe 1960-9-20 2984 Plumas North fork of Feather River, 41 miles from Oroville. 610 Comment
  CAS-BOT-BC374667  Sonchus oleraceus John Thomas Howell 1966-7-29 42023 Plumas Quincy 1036 Comment
  UCD114035  Sorbus californica B. F. Smith 1967-9-5 63 Plumas Vicinity of La Porte. 1371 Comment
  CHSC21798  Sorbus scopulina F. T. Griggs; A. Pass 1975-8-1 403 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33592  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, ca. 4 mi nw of Meadow Valley. 1828 Comment
  CHSC92145  Sorbus scopulina L. P. Janeway 2005-9-4 8533 Plumas Northern High Sierra Nevada. Between Road 24N13 and a northeastern tributary to upper Lockerman Creek; about 1.3 km south of Logue Meadows. 1329 Comment
  CAS-BOT-BC236552  Sorghum halepense John Thomas Howell 1959-9-26 35081 Plumas Storrie, Sierra Nevada 548 Comment
  CHSC36329  Sparganium emersum subsp. emersum M. S. Taylor 1982-7-22 4907 Plumas On s end of Snake Lake near dam, ca. 2 mi ne of Meadow Valley. 1219 Comment
  UC1099913  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1959-8-19 1405 Plumas ca 2 mi s Greenville; Indian Valley Comment
  CHSC40651  Spergula arvensis subsp. arvensis Lowell Ahart 1985-9-26 5178 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC103143  Spergularia rubra Lowell Ahart; John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC85690  Spergularia rubra G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3160 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  SJSU14212  Sphaeromeria potentilloides N. A. Hopkins 1989-5-27 1497 Plumas near Marble Hot Springs Rd, Sierra Valley 1524 Comment
  UC579482  Sphaeromeria potentilloides var. potentilloides E. Sawyer 1935-6-6 73 Plumas 2 1/2 mi sw Sugarloaf; Sierraville Quad. 1493 Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  RSA29620  Sphenosciadium capitellatum Joseph A. Ewan 1934-7-8 8587 Plumas Camp Coldwell, Dentins(?) Mohawk Valley 1616 Comment
  JEPS88391  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1996-7-15 8025 Plumas e side of arm of Lake Almanor extending n from the Highway 36 causeway, s of tthe point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  UC170950  Spiraea douglasii H. M. Hall 1912-6-28 9282 Plumas Spanish Creek; Sierra Nevada Mountains 1158 Comment
  UCD20962  Spiraea douglasii E. Bortiri 2002-6-21 WFC 10 Plumas Williams Loop, near Portola. Comment
  UC1101241  Spirodela polyrhiza Malcolm A. Nobs and S. Galen Smith 1949-8-19 1398 Plumas ca 2 mi s Greenville; Indian Valley Comment
  CHSC52075  Stachys ajugoides var. rigida L. P. Janeway 1990-7-6 3778 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  JEPS62976  Stachys ajugoides var. rigida W. L. Jepson 1924-7-22 10621 Plumas near Rich Point (Dogwood Creek); Middle Fork Feather River 1127 Comment
  CHSC99986  Stachys pycnantha L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9598 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 Comment
  CHSC113899  Stachys rigida var. rigida Lowell Ahart 2014-8-24 19745 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
  CHSC103123  Stellaria crispa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CDA13389  Stellaria longipes G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13238 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. Comment
  POM101724  Stellaria longipes Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  CAS-BOT-BC391181  Stellaria longipes subsp. longipes Anna Head 1921-7-17 s.n. Plumas Gray Eagle Meadow, Feather River Region Comment
  CAS-BOT-BC397723  Stellaria nitens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1956 Plumas Fern Glen 1097 Comment
  CHSC64430  Stellaria obtusa B. Castro 1994-9-8 552 Plumas Ca 1.1 air mi SE of Bucks Lake, ca 0.1 mi S of the Oro-Quincy Hwy on slope among Haskins Valley USFS Summer Home Tract cabins, where seeps and springs surface. 1627 Comment
  CAS-BOT-BC375051  Stenotus acaulis G. D. Barbe 1982-6-9 3664 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest 2057 Comment
  CAS-BOT-BC375079  Stephanomeria Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt. 2133 Comment
  UC1523721  Stephanomeria exigua subsp. coronaria Gary Schoolcraft 1982-7-27 819 Plumas North of Chilcoot 1584 Comment
  CAS-BOT-BC375615  Stephanomeria lactucina Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  RSA101425  Stephanomeria lactucina R. Weatherby 1955-8-12 1680 Plumas McFarland Ravine, Bear Creek area, near Meadow Valley. 1402 Comment
  SEINET11793727  Stephanomeria lactucina Unknown 1974-1 609 Plumas along Eureka Ridge, W of Johnsville, about 10 mi S of Sloat 1829 Comment
  UC2029136  Stephanomeria paniculata Barbara Ertter 2001-7-20 17750 Plumas Diamond Mts NE of Frenchman Lake. Comment
  CAS-BOT-BC322971  Stephanomeria tenuifolia John Thomas Howell 1951-8-20 28211 Plumas Between Taylorsville and Genesee, Sierra Nevada 1097 Comment
  CHSC66616  Stephanomeria tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8046 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. At the junction of the road to the campground and a spur road on the N side of the meadow. 1371 Comment
  CAS-BOT-BC221872  Stipa W. Harnach; N. Harnach 1990-6-16 381 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  CAS-BOT-BC87776  Streptanthus tortuosus A. A. Heller 1915-7-7 12072 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada. 12 miles west of Bucks. 1676 Comment
  CAS-BOT-BC87778  Streptanthus tortuosus A. A. Heller 1938-7-2 15238 Plumas 3 miles east of Quincy. 1097 Comment
  CAS-BOT-BC87788  Streptanthus tortuosus Anna Head 1920-7-12 s.n. Plumas Feather River Region. Camp Rodgers. Near the falls. 1859 Comment
  JEPS95604  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles S of Pilot Peak 2011 Comment
  SEINET10449571  Styrax officinalis var. californicus Mary Susan Taylor 1974-5-18 Taylor 252 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  UC1123441  Swertia albicaulis var. nitida G. T. Nordstrom 1934-7-20 245 Plumas 1.5 mi w and 0.5 mi n Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1310 Comment
  RSA59266  Symphoricarpos albus var. laevigatus E. K. Balls 1950-8-31 15559 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC237015  Symphoricarpos mollis Anna Head 1921-7-17 s.n. Plumas Feather River Region Comment
  JEPS13654  Symphoricarpos mollis W. L. Jepson 1939-8-2 19327 Plumas Meadow Valley 1158 Comment
  CHSC92121  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart; John Dittes 2005-9-19 12385 Plumas On dry dark rocky soil, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake. 2080 Comment
  JEPS124142  Symphyotrichum bracteolatum Lowell Ahart, John Deurloo 2015-8-25 20528 Plumas About 200 yards northeast of the bridge, east of the camp, about 5 1/2 miles (air) south of Bucks Lake. Comment
  CAS-BOT-BC97616  Symphyotrichum campestre W. R. Dudley 1909-8-29 s.n. Plumas Sierra Valley Comment
  JEPS113546  Symphyotrichum campestre Lowell Ahart, Josephine Guardino 2007-7-21 14362 Plumas Near a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC97866  Symphyotrichum eatonii John Thomas Howell 1961-9-22 36814 Plumas Greenville 1088 Comment
  CAS-BOT-BC97868  Symphyotrichum eatonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1439 Plumas Near bed of Spanish Creek adjacent to confluence of Butterfly Creek 883 Comment
  UC1747953  Symphyotrichum spathulatum L. P. Janeway 1996-8-22 5077 Plumas Bean Creek at crossing of Road 25N17. 1402 Comment
  CAS-BOT-BC98899  Symphyotrichum spathulatum var. intermedium John Thomas Howell 1961-9-25 36958 Plumas Portola - Sierra Nevada 1478 Comment
  CAS-BOT-BC98918  Symphyotrichum spathulatum var. intermedium Hans Leschke 1960-9-7 1791 Plumas Park boundary north of Willow Lake - Lassen Volcanic National Park 16