Search Results — 2000 specimen records retrieved (1437 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
  UCD134161  Abies concolor John M. Tucker 1948-7-24 1732 Plumas Ca. 1/2 mi. northeast of Camel Peak. Comment
  RSA604696  Abies magnifica L. C. Wheeler 1952-9-24 6956 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  CHSC84930  Abies magnifica var. magnifica Lowell Ahart 2003-10-17 10649 Plumas On the ridge running northeast of Humboldt Peak, about 1/2 mile northeast of Humboldt Peak, south of the Pacific Crest Trail, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CHSC84949  Abies magnifica var. magnifica Lowell Ahart 2003-10-15 10633 Plumas About 60 yards south of the road to Tamarack Flat, on the south side of a very small branch of Fall River, about 1/8 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  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
  SD7292  Acer glabrum var. torreyi Mrs. R. M. Austin 1878-1 Plumas Mt. Dyer, Big Meadows Comment
Read comments
Oct 2 2008
  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
  JEPS48812  Acer macrophyllum John Warren Duffield 1937-5-26 Plumas above and w Meadow Valley (in camp, Schneider Creek, sw Plumas County); Schneider Creek, above and w of Meadow Valley Comment
  CAS-BOT-BC28735  Achillea millefolium J. T. Howell 1959-9-24 34948 Plumas American Valley near Quincy 1051 Comment
  UCD51446  Achnatherum X bloomeri John Thomas Howell 1962-6-19 37841 Plumas The Buttes, n. Sierra Valley. 1493 Comment
  CHSC74148  Achnatherum occidentale subsp. californicum B. Castro; L. Gehrung 1998-10-1 852 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just wet of Pilot Peak and overlooking upper end of S Fork Feather River. On N side of river's crossing of USFS Rd 22N60, on SE-facing slope, just SE of the Pacific Crest Trail (across trail serpentine outcrop). 1975 Comment
  RSA201262  Achnatherum occidentale subsp. occidentale J. T. Howell 1960-7-17 35485 Plumas Drakesbad; Lassen Volcanic National Park. 1677 Comment
  JEPS106230  Achnatherum thurberianum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11152 Plumas On the north side of a forest road, southwest of a small meadow and seeps, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2124 Comment
  CHSC100424  Acmispon americanus var. americanus Lowell Ahart 2008-9-10 15381 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  UCD103941  Acmispon americanus var. americanus J. M. Tucker 1948-7-24 1715 Plumas Near road from Cascade to Camel Peak. Comment
  CAS-BOT-BC412609  Aconogonon alaskanum Anna Head 1921-8-5 s.n. Plumas Near outlet of Bear Lake, Feather River Region Comment
  CAS-BOT-BC391664  Actaea rubra L. P. Janeway 1991-8-3 4113 Plumas Plumas National Forest, Beckwourth Ranger District. Northeasterly drainage into Freeman Creek, below Five Points and 2 mi west of Smith Peak 1981 Comment
  CAS-BOT-BC29832  Adenocaulon bicolor George Wilson Gillett 1957-7-17 803 Plumas Lassen Volcanic National Park, upper Willow Lake Meadow, near the east inlet 1661 Comment
  JEPS28620  Adenocaulon bicolor George W. Gillett 1957-7-17 803 Plumas upper Willow Lake (near the east inlet); Lassen Volcanic National Park, Willow Lake 1661 Comment
  CAS-BOT-BC65507  Adiantum aleuticum John Thomas Howell 1962-6-16 37645 Plumas Feather River, North Fork on road to Caribou 731 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
  SEINET13948396 Image available Agastache urticifolia Ethel Crum 1937-1 1947 Plumas Along creek, open glad in coniferous forest. Three miles west of Lake Almanor. Alt 5000 ft 1524 Comment
  UC54591  Agastache urticifolia H. M. Hall and E. B. Babcock July, 1903 4420 Plumas North Fork Feather River; Sierra Nevada Mountains, North Fork Feather River 1341 Comment
  CHSC97306  Ageratina occidentalis Lowell Ahart; John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2416 Comment
  CAS-BOT-BC29433  Ageratina occidentalis W. I. Follett; E. B. Follett 1962-8-8 s.n. Plumas Indian Creek 4.1 miles above Spanish Creek Comment
  UCD128568  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas near Notson bridge, north side of Beckwourth-Gensee Road, ca. 7 air miles east of Gensee. Comment
  JEPS125978  Agoseris glauca var. glauca D. W. Taylor 2001-6-20 17801 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  CAS-BOT-BC15457  Agoseris glauca var. glauca Gladys L. Smith 1976-6-7 4570 Plumas Rte. A23 between Rte. 70 and Calpine, just north of road to Hot Springs about 6 miles north of Sierra Co. line 1524 Comment
  SBBG45694  Agoseris glauca var. laciniata C. B. Hardham 1961-6-16 7481 Plumas Diamond Peak [Diamond Mountain] 2133 Comment
  CHSC101855  Agoseris heterophylla Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15886 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC115165  Agoseris heterophylla Lowell Ahart 2015-6-7 20208 Plumas On the west side of the dirt road, Lava Top, about 2-1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CAS-BOT-BC22918  Agoseris heterophylla L. S. Smith 1925-4-30 1576 Plumas Bloomfield Road below forks sec 9 762 Comment
  SEINET6738586 Image available Agoseris heterophylla Mrs. C. B. Gulling 1526 Plumas Sierra Valley Comment
  JEPS124025  Agoseris heterophylla var. heterophylla Lowell Ahart 2015-7-4 20283 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS55238  Agoseris heterophylla var. heterophylla Lewis S. Rose 1967-6-12 67108 Plumas 3 mi w Keddie; Butterfly Valley 1219 Comment
  UC1125483  Agoseris heterophylla var. heterophylla E. Sawyer 1935-7-1 264 Plumas 2.5 mi wnw Crow; Sierraville Quad. 1676 Comment
  CAS-BOT-BC13437  Agoseris retrorsa John Thomas Howell 1960-7-19 35693 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC13441  Agoseris retrorsa Walter Knight; Irja Knight 1967-5-22 1816 Plumas Butterfly Canyon 990 Comment
  JEPS34393  Agoseris retrorsa Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8869 Plumas 1 mi ne Tobin (near Injun Jim Campground); Feather River Canyon 640 Comment
  SEINET10843430  Agropyron cristatum Mary Susan Taylor 1982-1 Taylor 5137 Plumas T23N, R14E se1/4ne1/4 sec 27. Portola quad. Ramelli Ranch in vicinity of Calpine Rd (109) bridge over Feather River, s side of river, 1 mi w of Beckwourth. With Sonchus asper, Iva axillaris, & Artemisia tridentata in sagebrush scrub. 1487 Comment
  SEINET12876491  Agropyron trachycaulum var. trachycaulum W. Harnach, N. Harnach 1991-6-29 594 Plumas Sierra Valley, on County Road A-24 (6 mile road), 4 miles N of Loyalton. 1490 Comment
  CHSC59842  Agrostis capillaris L. P. Janeway 1992-8-30 4303 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1914 Comment
  CAS-BOT-BC127083  Agrostis exarata Clare B. Hardham 1970-8-11 17716 D. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC127088  Agrostis exarata Thomas H. Kearney 1944-8-14 4 Plumas Near Prattville, Lake Almanor. Comment
  JEPS76240  Agrostis exarata W. L. Jepson 1939-8-14 19421 Plumas Willow Creek 1828 Comment
  UCD52334  Agrostis exarata John Thomas Howell 1976-7-16 51904 Plumas Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139617  Agrostis gigantea Hans Leschke 1959-8-2 1589 Plumas Lassen Volcanic National Park. Manzanita Lake. 1784 Comment
  CAS-BOT-BC139409  Agrostis hyemalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  UCD53165  Agrostis pallens Catherine McWilliams 1971-1 911 Plumas Plumas - Eureka State Park. 1524 Comment
  SJSU13946  Agrostis scabra N. A. Hopkins 1985-8-27 1315 Plumas Grass Lake 1786 Comment
  CAS-BOT-BC138707  Agrostis scabra John Thomas Howell 1960-7-20 35774 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  JEPS107622  Agrostis stolonifera Lowell Ahart, Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest 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
  CHSC94220  Agrostis thurberiana Lowell Ahart 2006-7-9 12930 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  UCD138451  Allium bisceptrum G. F. Hrusa; E Sandoval 1993-5-30 11142 Plumas Sierra Valley, Beckwourth-Calpine Rd. approx. 5 m. S Hwy 70 intersection. 1700 Comment
  CAS-BOT-BC466468  Allium campanulatum C. R. Quick 1957-6-15 57 -09 Plumas About 1 mile south of Lake Almanor Comment
  CAS-BOT-BC466609  Allium campanulatum Lowell Ahart 1977-7-9 s.n. Plumas 0.5 mile below the Bunker Hill Mine which is about 10 miles northeast of La Porte 1800 Comment
  CAS-BOT-BC466624  Allium campanulatum Alice Eastwood 1927-6-17 14636 Plumas Forest Lodge, Greenville Comment
  SD46738  Allium campanulatum Robert J. Weatherby 1955-7-2 1569 Plumas In volcanic gravel on dry exposed ridge, Bear Ridge near Taylor Lake. 2194 Comment
  UCD141814  Allium campanulatum L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas along Highway 89, 0.5 mile past Canyon Dam toward Greenville. Comment
  SEINET10471983  Allium lemmonii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3842 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  SEINET10971415  Allium obtusum var. obtusum Mary Susan Taylor 1981-5-8 Taylor 3655 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CAS-BOT-BC476720  Allium validum John Thomas Howell 1967-6-23 42701 Plumas Butterfly Valley 1066 Comment
  SEINET3880097  Allium validum D. W. McNeal 1995-7-16 4129 Plumas Along a stream ca 200 m S of the Gray Eagle trailhead on the trail go Long Lake. Plumas National Forest.; 0 Comment
  CAS-BOT-BC26651  Allocarya microcalyx A. A. Heller; P. B. Kennedy 1907-7-2 8680 Plumas Between Vinto and Beckwith Comment
  CHSC89303  Allophyllum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16336 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
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC75514  Allophyllum integrifolium G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13230 Plumas Sierra Nevada--Plumas National Forest. Slopes near headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2150 Comment
  CHSC94109  Allophyllum integrifolium Lowell Ahart 2006-7-9 12921 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir. 1650 Comment
  SEINET11263972  Allophyllum integrifolium Lowell Ahart 2002-7-18 9862 Plumas About 1/8 mile north of the intersection of Lumpkin Ridge Road and roat 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.; 0 1765 Comment
  CAS-BOT-BC171370  Alnus incana subsp. tenuifolia Anna Head 1920-1-1 s.n. Plumas Feather River Region Comment
  RSA508626  Alnus incana subsp. tenuifolia Mrs. R. M. Austin 1878-07 s.n. Plumas Big Meadows. Comment
  SEINET196506 Image available Alnus incana subsp. tenuifolia J. M. Tucker 1948-7-24 1727 Plumas Near rd from Cascade to Camel Peak 1620 Comment
  UCD109976  Alnus incana subsp. tenuifolia W. B. McHenry 1961-8-20 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC170694  Alnus rhombifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1449 Plumas Near creek bed of Spanish Creek adjacent to confluence of Butterfly Creek. Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC170700  Alnus rhombifolia Alice Eastwood 1927-6-18 14552 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  RSA11790  Alnus rhombifolia Elmer I. Applegate 1921-9-26 3346 Plumas 8 miles north of Greenville. Comment
  SEINET8074293  Alnus rhombifolia A. A. Heller, P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC40449  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC97169  Alopecurus aequalis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14027 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CAS-BOT-BC138115  Alopecurus aequalis var. aequalis John Thomas Howell 1951-6-28 27732 Plumas Eureka Lake. 1889 Comment
  CAS-BOT-BC138116  Alopecurus aequalis var. aequalis Thomas H. Kearney 1944-8-14 6 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC137999  Alopecurus geniculatus John Thomas Howell; Gordon H. True 1967-7-9 43264 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CAS-BOT-BC138000  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC94668  Amaranthus albus Lowell Ahart 2006-10-8 13410 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CAS-BOT-BC142923  Amelanchier John Thomas Howell 1961-6-21 36590 Plumas Greenville - Sierra Nevada 1097 Comment
  UC1127772  Amelanchier utahensis E. Nourse 1934-8-14 10 Plumas 2 mi e and 1 mi n Quincy; Plumas National Forest, Downieville Quad. 1066 Comment
  UC567121 Image available Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 s and 0.5 mi e Bucks Mountain; Bidwell Bar Quad. 1524 Comment
  SEINET10497227  Amsinckia menziesii Mary Susan Taylor 1982-6-28 Taylor 4773 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC64282  Anaphalis margaritacea Anna Head 1921-8-9 s.n. Plumas Lake Center Camp Comment
  RSA59692  Anaphalis margaritacea E. K. Balls 1950-9-9 15761 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 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
  SEINET10965674  Anemone drummondii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4339 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SD109158  Angelica arguta var. breweri Joseph M. DiTomaso 1980-8-27 1940 Plumas Two miles south of Greenville on Hwy 89. 1095 Comment
  CAS-BOT-BC59315  Antennaria argentea Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1612 Plumas Fern Glen 1097 Comment
  CHSC57250  Antennaria dimorpha L. P. Janeway 1991-5-28 3970 Plumas Plumas National Forest. South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). 1719 Comment
  CHSC97526  Antennaria dimorpha Lowell Ahart; John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS113739  Antennaria dimorpha Lowell Ahart, John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north en 1654 Comment
  UC367133  Antennaria geyeri J. G. Lemmon and wife 1883-7-3 Plumas Indian Valley Comment
  CAS-BOT-BC58702  Antennaria geyeri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54356 Plumas Near Indian Creek about 0.75 miles northwest of the northwest arm of Antelope Reservoir 1584 Comment
  UC176433  Antennaria luzuloides A. A. Heller and P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CHSC57406  Antennaria luzuloides subsp. aberrans L. P. Janeway; Garrett Gibson 1991-6-13 4006 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CAS-BOT-BC79929  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC79973  Antennaria microphylla Anna Head 1921-7-14 s.n. Plumas Near Lake Center Camp, Feather River region Comment
  UC1552729  Antennaria rosea Frederica Bowcutt 1985-6-6 563 Plumas 15 air mi ne of Quincy; Plumas National Forest 1676 Comment
  CHSC63446  Antennaria rosea subsp. confinis Lowell Ahart 1994-7-22 7501 Plumas Along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  UC584271  Antennaria umbrinella G. L. Stebbins Jr. and J. A. Jenkins 1937-7-10 2312 Plumas w of head of Stony Ridge 1828 Comment
  CHSC81598  Anthemis cotula Lowell Ahart 2001-10-8 9329 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC35274  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1981-7-26 4113 Plumas N side of Caribou Rd, 3.7 mi ne of its jct with Hwy 70 near Belden. 853 Comment
  RSA189369  Aphanes occidentalis L. S. Rose 1967-5-7 67065 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  SD52244  Aphyllon epigalium subsp. epigalium F. Stephens 1924-7-1 8329 Plumas Comment
  CHSC34864  Apocynum androsaemifolium M. S. Taylor 1981-7-27 4126 Plumas N side of Beckwourth-Genesee Rd, ca. 7 air mi e of Genesee. 1645 Comment
  JEPS86274  Apocynum androsaemifolium W. L. Jepson 1939-7-31 19313 Plumas lower slopes Spanish Peak Spanish Peak 2042 Comment
  UC1123468  Apocynum androsaemifolium G. Burks 1933-8-8 32 Plumas 4 1/2 mi. e. and 1 mi. n. Camel Peak; Plumas Nat'l Forest, Bidwell Bar Quad. 1706 Comment
  SJSU14708  Apocynum androsaemifolium N. A. Hopkins 1991-6-26 1691 Plumas between Milford fork & Janesville on road N from Red Clover Valley 1524 Comment
  UC586845  Aquilegia formosa Joseph Andorfer Ewan 1934-6-25 8201 Plumas above Dentens (Blairsden) (Gold Lake Rd) 1524 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
  RSA0126002  Arabis divaricarpa E. K. Balls 1950-9-2 15626 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  RSA0126161  Arabis glabra J. T. Howell, Gordon H. True, Walter Knight, I. Knight 1967-7-10 2129 Plumas Butterfly Botanical Area and Vicinity. 1128 Comment
  SEINET2471363  Arceuthobium abietinum R. L. Mathiasen 2007-9-22 2007 -60 Plumas Ca. 4.8 km W. of Meadow Valley on high rd. to Bucks Lake 1470 Comment
  UC1076328  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas near lake Gold Lake 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
  RSA755810  Arceuthobium californicum L. Ahart, John Dittes 2009-7-14 16070 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  CAS-BOT-BC409919  Arceuthobium campylopodum John Thomas Howell; Gordon H. True 1967-7-11 43373 Plumas 2 miles SE of Mt. Hough 1828 Comment
  UC1078841  Arceuthobium campylopodum Job Kuijt 1957-5-20 1349 Plumas 8 mi n Greenville Comment
  CAS-BOT-BC24176  Arctostaphylos Gladys L. Smith 1976-6-7 4583 Plumas North end of summit ridge, secondary road from Rt. 70 to La Porte. 1950 Comment
  CHSC9730  Arctostaphylos mewukka Nancy Mosman 1971-7-17 104 Plumas Abundant along N side of Hwy 32 ca. 1.8 mi S of Chester. 1524 Comment
  UCD52291  Arctostaphylos mewukka John Thomas Howell 1976-4-2 51577 Plumas In the Transition Life Zone; 2 miles northwest of Spring Garden. 1173 Comment
  UCR115321  Arctostaphylos mewukka G. D. Barbe, T. C. Fuller 1982-7-16 3768 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  CAS-BOT-BC38476  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2353 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. 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-BC38614  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51572 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC38616  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34777 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-BC40012  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Side of Mt. Elwell, Lakes Basin area. 2194 Comment
  SD49834  Arctostaphylos nevadensis R. Roseberry 1934-11-7 13 Plumas Downieville quadrangle, 2 mi. N of Penman Pk. 2135 Comment
  SEINET3164294  Arctostaphylos nevadensis E. K. Balls 1950-9-1 15591 Plumas Long Lake, ridge above east shore along trail going south of lake 2134 Comment
  UCD52710  Arctostaphylos nevadensis E. Sawyer 1935-7-9 281 Plumas 2 1/2 miles SSW of Crow. 2072 Comment
  RSA122008  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas Southwest of La Porte. Alt. 5400 feet. Comment
  UC917236  Arctostaphylos patula J. M. Tucker 1948-7-24 1730 Plumas ca 1/2 mi ne Camel Peak Comment
  UCD23356  Arctostaphylos patula E. W. Jameson 1949-4-25 s.n. Plumas Expt. Station, Quincy. 1066 Comment
  UCD53438  Arctostaphylos patula James I. Mallory 1967-8-15 275 Plumas Gibsonville Ridge. 1798 Comment
  UCSB15999  Arctostaphylos patula Breedlove, Dennis 1962-6-12 Plumas On bank of Jackson Creek, upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 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
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  CAS-BOT-BC47069  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-7-11 43286 Plumas 2 mi. from Quincy Junction on road to Mt. Hough. 1219 Comment
  POM77151  Arctostaphylos viscida subsp. viscida Mary E. P. Ames 1891-02 s.n. Plumas Taylorsville, Indian Valley. Comment
  UCD23330  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  SEINET11993352  Arctostaphylos viscida subsp. viscida W. Knight, Knight, I. 1986-1 5220 Plumas between bridge over north fork of Feather River near Pulga & 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
  RSA169383  Arenaria kingii subsp. kingii L. S. Rose 1963-6-4 4800 Plumas Sierra Valley, 1 mile S of Beckwourth 1463 Comment
  CHSC72447  Arenaria kingii var. glabrescens L. P. Janeway 1998-6-24 5671 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  JEPS95362  Arenaria kingii var. glabrescens Lowell Ahart 1994-6-29 7413 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  SD8174  Arenaria kingii var. glabrescens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC82220  Arnica chamissonis A. A. Heller; P. B. Kennedy 1907-7-5 8750 Plumas Red Clover Valley Comment
  RSA127311  Arnica chamissonis subsp. foliosa Clarence R. Quick 1952-9-5 52 -313 Plumas Northwest of Almanor. Comment
  UC1119283  Arnica cordifolia E. Sawyer 1935-6-17 116 Plumas 5 mi sse Crow; Sierraville Quadrangle 1798 Comment
  UC579655  Arnica cordifolia E. Sawyer 1935-5-22 27 Plumas 1 1/4 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quad. 1706 Comment
  SEINET6775027 Image available Arnica cordifolia M. J. Williams, E. McPherson 1974-8-5 74 -P-21 Plumas Lake's Basin, near campground 2012 Comment
  UC134169  Arnica cordifolia Mrs. R. M. Austin 1896-7-1 616 Plumas Willow Lake Lassens Peak, Willow Lake Comment
  CHSC21696  Arnica dealbata F. T. Griggs; A. Pass 1975-7-16 200 Plumas N. shore of Lower Buck's Lake. Comment
  CHSC62533  Arnica dealbata B. Castro; Jacque Jurewicz 1992-9-23 460 A Plumas Ca 3.5 air mi SE of Bucks Lake, on the Pacific Crest Trail and just off S side of USFS Rd 23N19, ca 0.3 mi S of its jcn with USFS Rd 23N74Y. On N aspect of saddle on NW-SE trending ridge. 1828 Comment
  UC1070451  Arnica dealbata A. Lewis 1934-7-25 520 Plumas La Porte Plumas National Forest, Downieville Quad. 1524 Comment
  UCD129195  Arnica dealbata W. R. Powell 1968-7-2 1589 Plumas 1.25 miles northeast of La Porte. 1700 Comment
  CDA13931  Arnica discoidea G. F. Hrusa, T. D. Wilfred 1997-5-3 13856 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
  JEPS115227  Arnica discoidea Lowell Ahart, John Dittes 2009-7-15 16093 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  CAS-BOT-BC82507  Arnica discoidea Anna Head 1921-7-28 s.n. Plumas trail to Long Lake, Feather River Region Comment
  RSA94495  Arnica discoidea Joseph A. Ewan 1934-6-25 8217 Plumas Gold Lake road above Dentens (Blairsden) 1524 Comment
  UC608846  Arnica lanceolata subsp. prima Beryl O. Schreiber 1938-7-10 2531 Plumas 1/4 mi s of U. C. Forestry Camp; Bidwell Quad., Plumas National Forest, Meadow Valley 1097 Comment
  RSA94852  Arnica longifolia subsp. myriadenia J. T. Howell 1926-7-30 2157 Plumas Near Prattville on Lake Almonor Comment
  CDA14685  Arnica nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3141 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CAS-BOT-BC85062  Arnica parryi Anna Head 1920-8-3 s.n. Plumas Feather River Region - Meadows above Lake Center Camp not yet common. 1920 Comment
  SEINET12728722 Image available Artemisia Noah Siegel, Wendy Boes, Chelsea Morgan 2016-1 2016 001 A Plumas Plumas National Forest; Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake. 2190 Comment
  CHSC53685  Artemisia arbuscula L. P. Janeway 1989-7-13 3487 Plumas Plumas National Forest. Along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd111) 11.3 mi from Beckwourth. 1699 Comment
  CAS-BOT-BC85020  Artemisia arbuscula subsp. arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas North end of McReynolds Valley, ca 0.8 mi south of the 01 road in Squaw Valley. Crocker Mtn. quad. 1691 Comment
  RSA724841  Artemisia biennis L. Ahart 2006-9-21 13340 Plumas On the south bank of the Middle Fork of the Feather River, east side of the Beckwourth Calpine Road bridge across the river, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley 1475 Comment
  CAS-BOT-BC90403  Artemisia douglasiana John Thomas Howell 1960-7-18 35591 Plumas Meadow near bath house, Drakesbad 1828 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
  JEPS37056  Artemisia douglasiana W. L. Jepson 1939-8-16 19436 Plumas Portola Comment
  RSA0105480  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 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
  SEINET10474108  Artemisia douglasiana Mary Susan Taylor 1981-8-28 Taylor 4247 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  CHSC36869  Artemisia dracunculus M. S. Taylor 1982-9-13 5130 Plumas Remelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi W of Beckwourth. 1487 Comment
  CHSC110253  Artemisia tridentata subsp. vaseyana L. P. Janeway 2012-10-17 11079 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 2.1 road km north of Onion Valley Creek; up-per east-facing flank of Fingerboard (Peak). 1963 Comment
  CAS-BOT-BC400772  Asarum lemmonii Lewis S. Rose 1963-6-3 63113 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1188 Comment
  JEPS26747  Asclepias cordifolia P. C. Hutchison 1961-6-9 2115 Plumas 2 mi s (below) Rich Bar (canyon of the north fork of the Feather River, along U.S. Hwy Alt 40, at bridge) Comment
  UC1123544  Asclepias fascicularis C. W. Hanks 1934-9-18 85 Plumas hills n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC101924  Asclepias speciosa Lowell Ahart; John Dittes 2009-7-13 16056 Plumas West side of Forest Service Road 27lN98, 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
  RSA189327  Asclepias speciosa L. S. Rose 1967-6-12 s.n. Plumas Twain, North Fork, Feather River 854 Comment
  CAS-BOT-BC97465  Aster Clare B. Hardham 1978-8-11 21814 Plumas About 5 mi. ne. of Antelope Reservoir on road to Janesville Comment
  CHSC103139  Aster campestris Lowell Ahart; John Dittes 2009-9-7 16375 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CDA13862  Aster radulinus G. F. Hrusa, T. D. Wilfred 1996-8-2 13456 Plumas Sierra Nevada; Terminus of USFS 23N22D. Comment
  CAS-BOT-BC192849  Astragalus pulsiferae W. Harnach; N. Harnach 1989-6-29 207 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  CHSC118065  Astragalus pulsiferae var. pulsiferae R. Ondricek-Fallscheer 1999-6-26 194 Plumas About 6 1/2 air mi ENE of Beckwourth and 2 1/2 air mi N of Hwy 70; ca. 25 ft. N (upslope) from USFS Rd. 23N71 and 150 ft. E of the stream which is in the steep ravine. Slope 20%. 1645 Comment
  CAS-BOT-BC192951  Astragalus purshii var. purshii M. S. Taylor 1982-5-7 4417 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
  SEINET5326215  Astragalus purshii var. purshii C. Tanner 1999-5-31 s.n. Plumas On S-facing grantic slope within city limits of Portola (area bounded by Plumas/Quincy Sts. On N & S, Willow and Rock Sts. On E & W 1484 Comment
  CAS-BOT-BC200862  Astragalus webberi Mary Strong Clemens 1920-5-1 s.n. Plumas Taylorsville Comment
  HSC73111  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy. 89, 1/4 mi. S of turnoff to Taylorsville , 1 mi. S of Crescent Mills. 1098 Comment
  HSC95635  Astragalus webberi James D. Jokerst 1985-6-10 2410 Plumas Indian Creek, Upper edge of reconstruction zone of Hwy. 70. Comment
  SEINET10452239  Astragalus webberi Mary Susan Taylor 1981-5-8 Taylor 3661 Plumas T26N R9E sw sec 25. Greenville quad. N side of Hwy 89, ca. 1/4 mi S of turnoff to Taylorsville, ca. 1 mi S of Crescent Mills. 3600 ft. 1097 Comment
  SEINET10452240  Astragalus webberi Mary Susan Taylor 1982-6-14 Taylor 4671 Plumas T26N R9E se sec 34. Greenville SW quad. E side of Hwy 89, ca. 1 mi n of Indian Falls. 3400 ft. 1036 Comment
  CDA26761  Astragalus whitneyi G. D. Barbe 1982-6-9 3665 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CHSC72449  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  UC1730237  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  UC170623  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 Comment
  CHSC32048  Athyrium filix-femina L. Ahart 1976-9-28 1209 Plumas Along edges of Bunker Hill Creek, near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  CHSC37705  Athyrium filix-femina M. S. Taylor 1982-8-9 4949 Plumas Jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. 1645 Comment
  SEINET10866913  Athyrium filix-femina Mary Susan Taylor 1982-8-9 Taylor 4949 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CAS-BOT-BC66091  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-22 35924 Plumas near Devil's Kitchen near Drakesbad 1828 Comment
  CHSC110381  Athyrium filix-femina var. cyclosorum Lowell Ahart 2012-9-5 18432 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of LaPorte. 1889 Comment
  CHSC52718  Athyrium filix-femina var. cyclosorum L. P. Janeway 1990-7-19 3807 Plumas Along Emigrant Cr 1/2 mi N of the crest of Grizzly Ridge. Plumas National Forest Beckwourth Ranger District, Cascade Compartment. 2026 Comment
  SD19380  Athyrium filix-femina var. cyclosorum Unknown 1882-7-25 Plumas Big Meadows Comment
  SD9780  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1880-1 Plumas Big Meadow Comment
  SBBG128606  Athyrium filix-femina var. cyclosorum L. Ahart 2008-8-14 15208 Plumas ca. 150 yards NE of logging rd (Forest Rd 22N68), W of the S Fork of the Feather River, ca. 0.5 mi SW of the Feather Fork Mine, ca. 1 mi NE of Little Grass Valley Reservoir 1600 Comment
  UC185188  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall 1912-6-10 Plumas Wapanse Creek Comment
  CAS-BOT-BC146151  Avena fatua John Thomas Howell; Gordon H. True 1968-6-10 44552 Plumas Sierra Nevada. Quincy. 1036 Comment
  SEINET10966170  Azolla mexicana Mary Susan Taylor 1981-8-5 Taylor 4166 Plumas 1069 Comment
  CAS-BOT-BC100097  Balsamorhiza sagittata 1918-5-25 7064 Plumas Portola Comment
  UC88466  Balsamorhiza sagittata Mrs. R. M. Austin 1875-6-1 94 Plumas American Valley Comment
  CHSC97518  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-17 14174 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC97608  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-16 14129 Plumas On damp soil, meadow, along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1126816  Barbarea orthoceras P. G. Haddock 1938-5-29 1 Plumas Little Schneider Meadow; Plumas National Forest, Bidwell Bar Quad. 1158 Comment
  CAS-BOT-BC145809  Beckmannia syzigachne David D. Keck 1932-7-3 1688 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  SEINET10514174  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E S1/2 NE1/4 Sec 28. POrtola quad. In moist area, Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth. With Hippuris vulgaris, Sium suave, Lemna. 1487 Comment
  CHSC91333  Berberis aquifolium var. aquifolium Lowell Ahart; John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 646 Comment
  UC1583035  Bidens cernua Barbara Ertter 1988-10-21 8003 Plumas 1.5 mi e of Chester on Hwy 36 Chester (e end of causeway, Lake Almanor); Lake Almanor 1341 Comment
  SEINET10905060  Bidens cernua Mary Susan Taylor 1982-8-27 Taylor 5066 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
  SEINET11841725  Bidens cernua W. Knight, Knight, I. 1983-1 4923 Plumas Warner Valley, on road between Chester & Drakesbad 1570 Comment
  CHSC62420  Blepharipappus scaber L. P. Janeway 1993-9-23 4601 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1498 Comment
  CAS-BOT-BC16869  Boechera Lowell Ahart 1989-7-2 6341 Plumas On the northwest side and near the summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  CHSC107441  Boechera breweri subsp. breweri Matt Simenc; Rebecca Joyner 2011-7-3 13 Plumas Northern High Sierra Nevada. 250ft SW of peak of Little Volcano Limestone Point, 0.2 miles (air) SW of end of 23N90A road, 2.4 miles (air) West (266 degrees) of where La Porte Quincy Rd crosses the Middle Fork Feather River. Growing in a cool 4ft deep cavern on a SW facing slope. 1728 Comment
  CAS-BOT-BC16131  Boechera constancei M. S. Taylor 1981-8-25 4237 Plumas Red Hill Lookout, ca. 3 air miles northeast of Belden. 1920 Comment
  UC1075715  Boechera davidsonii Robert J. Weatherby 1955-6-26 1553 Plumas above Mud Lake; Lakes Basin Area 2194 Comment
  CAS-BOT-BC14015  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 2314 Plumas Flatiron Ridge. 1828 Comment
  UCSB23766  Boechera lemmonii Hardham, Clare 1961-6-16 Plumas Diamond Peak Comment
  SD46545  Boechera lyallii Robert J. Weatherby 1955-6-26 1553 Plumas Lakes Basin Area 2195 Comment
  CAS-BOT-BC14109  Boechera pauciflora Doris Kildale Gillespie 1930-5-12 9316 Plumas 2 miles east of Chester. Comment
  CHSC10726  Boechera pendulocarpa Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  SEINET3166403  Boechera puberula P. J. Alexander 2009-5-25 1041 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.25 miles E of the center of the dam, 7.1 miles NNW of Chilcoot, Plumas National FOrest. 1747 Comment
  CAS-BOT-BC14663  Boechera rectissima A. A. Heller; P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  CHSC472  Boechera retrofracta E. Wager 1937-5-15 Plumas Feather River canyon. Comment
  UC118081  Boechera sparsiflora Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC25719  Boechera sparsiflora John Thomas Howell; Gordon H. True 1973-7-31 50116 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thomspon Peak. 2194 Comment
  UCSB63924  Boechera sparsiflora Jokerst, James 1987-5-28 Plumas Ward Creek Canyon; T25N R11E center S1/2 Sect. 23 1463 Comment
  UC725568  Boechera subpinnatifida A. A. Heller 1942-5-8 16462 Plumas e of Beckwourth 1524 Comment
  CHSC63123  Boechera suffrutescens Lowell Ahart 1994-6-29 7409 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  POM46383  Boisduvalia macrantha Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
  UCD136804  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 379 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  CHSC113620  Boykinia major Lowell Ahart 2014-8-31 19803 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
  UC1609201  Brasenia schreberi Vernon H. Oswald and Lowell Ahart 1993-8-11 5782 Plumas ca. 0.5 mi s Willow Lake (ca 1 mi s of Lassen Volcanic National Park, Domingo Lake); Domingo Lake, s of Lassen Volcanic National Park 1767 Comment
  CAS-BOT-BC127778  Brickellia grandiflora M. S. Taylor; H. Swanson 1982-8-11 4972 Plumas Along n side of Jamison Creek Rd (507), on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville 1798 Comment
  JEPS124135  Brickellia greenei Lowell Ahart, John Deurloo 2015-8-25 20530 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  SEINET10474491  Brickellia greenei Mary Susan Taylor 1981-8-25 Taylor 4243 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  CAS-BOT-BC478972  Brodiaea californica subsp. californica A. A. Heller; B. B. Kennedy 1907-7-11 8796 Plumas Pratville Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  CAS-BOT-BC484593  Brodiaea purdyi John Thomas Howell 1955-7-20 30866 Plumas Mohawk 1371 Comment
  SEINET9308892  Bromus carinatus Unknown 1954-7-5 2041 Plumas Plumas Comment
  CAS-BOT-BC149315  Bromus carinatus var. carinatus John Thomas Howell 1961-9-23 36899 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CAS-BOT-BC149316  Bromus carinatus var. carinatus John Thomas Howell 1961-6-21 36602 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC149323  Bromus carinatus var. carinatus John Thomas Howell 1959-9-24 34904 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CHSC80901  Bromus carinatus var. carinatus Lowell Ahart; Vernon H. Oswald 2001-7-23 8999 Plumas On the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC148707  Bromus carinatus var. marginatus John Thomas Howell 1960-7-17 35498 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC155928  Bromus commutatus John Thomas Howell 1973-7-10 49754 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  CAS-BOT-BC155798  Bromus diandrus John Thomas Howell; Gordon H. True 1968-6-10 44547 Plumas Sierra Nevada. Quincy. 1036 Comment
  CDA27234  Bromus japonicus G. F. Hrusa 1997-6-26 13880 Plumas Sierra Nevada; Open flats 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  SBBG126105  Bromus japonicus L. Ahart 2012-6-1 18258 Plumas ca 0.75 mi E of Caribou Rd, ca 3.5 mi NE of Belden 807 Comment
  RSA71076  Bromus marginatus L. S. Rose 1951-6-27 51021 Plumas Johnsville. 1601 Comment
  RSA795000  Bromus orcuttianus L. Ahart, John Dittes 2009-7-15 16092 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  UCD59269  Bromus orcuttianus John Thomas Howell 1960-8-20 36274 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD59660  Bromus secalinus Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  CHSC74037  Bromus suksdorfii B. Castro 1998-10-7 858 Plumas Ca 4 air mi NE of Little Grass Valley Reservoir, on slope just W of Co. Rd 511. Ca 50 ft W of jcn of Co. road and USFS Rd 22N21, at edge of alder drainage. 1889 Comment
  CAS-BOT-BC161363  Bromus tectorum Fred Sommers 1976-7-15 172 Plumas Sierra Nevada. Sierra Valley Marsh, along road on North side of Dyson Lane near Marble Hot Springs. 1524 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
  JEPS120101  Calamagrostis stricta subsp. inexpansa Lowell Ahart 2012-7-1 18253 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CHSC112575  Calandrinia ciliata B. Castro; L. P. Janeway 2007-6-7 1629 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. Just W of channel of Thompson Creek, downstream of small rock dam, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC110876  Calliscirpus brachythrix Tim Hanson 2013-6-20 2 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1416 Comment
  UC1101512  Callitriche verna Malcolm A. Nobs and S. Galen Smith 1949-8-18 1364 Plumas Last Chance Marshes, at n end of Lake Almanor, just s Chester Comment
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Jun 8 2006
  RSA755809  Calocedrus decurrens L. Ahart, John Dittes 2009-7-15 16085 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  UC625475  Calochortus coeruleus Frank W. Gould 1938-6-26 456 Plumas 3 mi n Greenville 1127 Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CHSC67719  Calochortus leichtlinii James D. Jokerst 1979-7-25 Plumas Ca. 20 m S of Meadow Creek, ca. 400 m E of forest service road to Deans Meadow. Comment
  UC570206  Calochortus leichtlinii E. Sawyer 1935-6-4 70 Plumas 3.25 mi se Beckwith Butte 1584 Comment
  UCD139521  Calochortus leichtlinii J. M. Tucker 1948-7-24 1722 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC490272  Calochortus leichtlinii Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River region Comment
  CAS-BOT-BC491826  Calochortus leichtlinii John Thomas Howell 1951-6-27 27560 Plumas Johnsville 1584 Comment
  CAS-BOT-BC491832  Calochortus leichtlinii Alice Eastwood 1927-6-27 14882 Plumas On road from Chilcott Comment
  CAS-BOT-BC483481  Calochortus minimus E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 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
  RSA739737  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada, S facing slope near top of Eastern end of Red Mtn, near Road 23N63 1.1km NW of road 18. 1884 Comment
  SEINET12044649  Calochortus nudus Lemmon 1887-1 s.n. Plumas Mohawk Valley Comment
  SEINET8197652  Calochortus nudus M. J. Williams 1968-5-28 1189 Plumas Squirrel Creek. 1219 Comment
  CDA15382  Calochortus tolmiei G. F. Hrusa 1997-5-3 13837 Plumas Sierra Nevada; in 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  UCD139580  Calochortus tolmiei D. Finley 1998-5-2 2- 5 Plumas 25 road miles north of Oroville, 0.25 road mile south of the CDF Fire Station on the east side of the road. 640 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-BC90964  Calycanthus occidentalis John Thomas Howell 1951-8-19 28172 Plumas Sierra Nevada. 3 miles east of Rich Bar. 853 Comment
  CAS-BOT-BC90966  Calycanthus occidentalis Clarence Quick 1940-7-20 40 -93 Plumas Northeast of Big Bar Mountain on Mill Creek, east of Feather River at Pulga. Comment
  SEINET10674988 Image available Calyptridium monospermum A. Arthur Heller 1938-5-30 Heller 15132 Plumas Granite sand along the Feather river near Bucks Creek power house. Rather common for several miles but not noted outside of the granite. Comment
  JEPS103356  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 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
  UC1136680  Calyptridium umbellatum A. E. Wieslander 1927-7-10 15 Plumas between Gold Lake and Silver Lake ( Plumas National Forest); Plumas National Forest 1828 Comment
  SEINET10572714  Calyptridium umbellatum Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5182 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC221250  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1927-6-15 14512 Plumas United States Forest Reserve. Forest Lodge near Greenville Comment
  CHSC82464  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2002-6-26 9767 Plumas On the east side of the poor road, about 1 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. 1760 Comment
  CAS-BOT-BC221246  Calystegia malacophylla subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1066 Comment
  CHSC33820  Calystegia occidentalis subsp. occidentalis M. S. Taylor; M. Foster 1981-6-2 3821 A Plumas N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  POM181053  Calystegia occidentalis var. tomentella A. A. Heller, P. B. Kennedy, A. H. Heller 1907-7-15 s.n. Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  RSA710259  Calystegia occidentalis var. tomentella R. K. Brummitt 1998-5-17 19887 Plumas Rte. 89 near Indian Falls, 4 km from Rte. 70 junction, opposite Dawn Community Centre. 1000 Comment
  CHSC2473  Camassia quamash subsp. quamash R. Carter 1965-7-6 266 Plumas Found 0.25 mi. S of intersection of Oroville-Quincy Rd. and U. S. F. S. road 24N33 on Oroville-Quincy Rd. 1767 Comment
  JEPS115083  Campanula prenanthoides Lowell Ahart, John Dittes 2009-7-13 16051 Plumas On dry soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  SEINET10462852  Campanula prenanthoides Donald E. Brink, L. M. Mayer 1975-7-3 Brink s.n. Plumas BUCK'S LACK FOREST SERVICE SURVEY. T24N R6E SECT. 26 Comment
  SEINET10462995  Campanula prenanthoides Joseph N. Rose 1966-7-26 Rose 66409 Plumas Butterfly Valley, 3 miles west of Keddie. 1067 Comment
  SEINET10972395  Campanula prenanthoides Edward K. Balls 1950-9-5 Balls 15682 Plumas Thompson Creek, main trail off La Porte Road (trail to Little Volcano), of Highway 24 east of Quincy 1463 Comment
  CHSC60883  Capsella bursa-pastoris Vernon H. Oswald 1993-6-17 5553 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  JEPS107715  Capsella bursa-pastoris Lowell Ahart, John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  HSC73122  Cardamine nuttallii M. S. Taylor 1981-6-17 3923 Plumas Junction of Meadow Creek and Rd. 25N10, E side of Mt. Ingalls, 8 air mi. SE of Genesee 2287 Comment
  RSA0069339  Cardamine nuttallii Dean W. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca. 7.5 air miles ESE of Quincy. 1430 Comment
  CHSC51669  Cardamine pachystigma S. R. M. 1978-3-17 Plumas Above Gansner Bar, west slope of Red Hill, north-east of Belden. Comment
  CAS-BOT-BC38091  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Sierra Nevada. Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC38121  Cardamine pensylvanica John Thomas Howell 1962-6-17 37657 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CAS-BOT-BC18362  Carex John Thomas Howell 1962-6-16 37643 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  JEPS118398  Carex abrupta Lowell Ahart 2011-9-17 17662 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CHSC102660  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
  CHSC36857  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. 1645 Comment
  CHSC54535  Carex amplifolia Vernon H. Oswald 1991-8-8 4816 Plumas Just north of the south boundary of the park [Lassen Volcanic Park] at Willow Lake, on the west side of Terminal Geyser Creek slightly north of its junction with the trail to Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. 1664 Comment
  NY25674  Carex amplifolia P. V. Kenney 1973-6-5 428 Plumas Along Hwy. 70, 6 miles south from junction of Hwy. 89 & 70 Comment
  CHSC76808  Carex angustata G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3164 Plumas Long Valley, 0.4 mile S of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC17932  Carex angustata L. P. Janeway 1990-7-3 3760 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. 1905 Comment
  CDA17815  Carex angustata G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-23 3164 Plumas Long Valley Region; Long Valley, 0.4 mile S of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC20767  Carex athrostachya K. R. Stern 1975-7-23 5868 Plumas nw shore of Lake Almanor. 1371 Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  SEINET3836748 Image available Carex athrostachya Lewis S. Ross 1967-7-9 67143 Plumas Quincy 1036 Comment
  JEPS114810  Carex aurea Lowell Ahart 2008-8-13 15176 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CDA17781  Carex brainerdii G. D. Barbe, T. C. Fuller 1982-6-15 3717 Plumas Plumas National Forest; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1761 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SD130960  Carex brainerdii John Thomas Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada; Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CAS-BOT-BC110186  Carex buxbaumii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1430 Plumas Butterfly Botanical Area and Vicinity. At southwest end of Pond reservoir. 1097 Comment
  UC2015884  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Snake Lake, about 4 miles northwest of Quincy. Comment
  CAS-BOT-BC34406  Carex cusickii John Thomas Howell 1976-7-15 51835 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CHSC85982  Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas High Cascade Range. Along the edges of bog on south side of Willow Lake. 1656 Comment
  CAS-BOT-BC20593  Carex douglasii Lewis S. Rose 1954-5-30 54063 Plumas Johnsville. 1600 Comment
  CAS-BOT-BC20083  Carex echinata Lewis S. Rose 1967-6-19 67112 Plumas Butterfly Valley, ca 3 miles west of Keddie. 1127 Comment
  JEPS103543  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, ca 100 yards N of the gravel road, near a small branch of Coldwater Creek, ca 3/4 mile SW of Grizzly Mountain, ca 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  SJSU6923  Carex echinata subsp. echinata C. W. Sharsmith 1975-6-18 8227 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC20117  Carex feta John Thomas Howell 1926-7-26 2132 Plumas Near Prattville. 1371 Comment
  CDA13986  Carex feta G. F. Hrusa 1996-8-2 13425 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Common on +- disturbed area of wet springline, forming tributary of Squirrel Creek. Comment
  CHSC101953  Carex fracta Lowell Ahart; John Dittes 2009-7-27 16172 Plumas On dry soil, about 10 yards northwest of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  SEINET10749387  Carex fracta Dean W. Taylor 2000-8-12 Taylor 17557 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed); T27N R13E NW1/4 Section 16; Antelope Lake 71/2' USGS quadrangle. Sierra Nevada (nSNH). 1859 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
  JEPS93934  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-11 9478 Plumas 6.2 mi ne of Four Trees (on the s side of Frenchman Hill, USFS 23N85Y 0.8 mi e of Orovile-Quincy Highway); Frenchman Hill, USFS 23N85Y 1737 Comment
  CDA14007  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1997-6-26 13924 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CAS-BOT-BC21975  Carex heteroneura J. Ewan 1934-6-27 s.n. Plumas Along Mt. Elwell trail near Long Lake. 2072 Comment
  CAS-BOT-BC28077  Carex hoodii John Thomas Howell 1960-7-17 35499 Plumas Near springy place, Drakesbad 1828 Comment
  RSA754927  Carex hoodii L. Ahart, Josephine Guardino 2005-8-10 12317 Plumas South of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1822 Comment
  HSC95618  Carex hoodii Jim Jokerst 1985-6-10 2401 Plumas Adjacent to Indian Creek, 400 m S of Hwy. 70, 2 mi. SW of Crescent Comment
  UCD140445  Carex hoodii John Thomas Howell 1960-6-17 35499 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC7850  Carex infirminervia John Thomas Howell 1960-7-20 35759 Plumas Boiling Springs Lake. 1798 Comment
  UC942960  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CDA33092  Carex integra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3145 Plumas 3.25 miles west of Round Valley Reservoir Dam , 0.25 mile east of road to Canyon Dam. Comment
  CAS-BOT-BC35506  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC47345  Carex jonesii L. P. Janeway 1989-6-16 3339 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  JEPS116646  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Lowers end of Rock Isand Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road Soapstone Hill; Northen High Sierra Nevada 1526 Comment
  JEPS87169  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
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Jun 9 2011
  JEPS87511  Carex lasiocarpa Vernon H. Oswald and Lowell Ahart 1993-8-3 5758 Plumas ca. 9 mi (air) n Lake Almanor (in the se corner of the meadow at the n end of 30N25 on the s edge of the Caribou Wilderness,); Caribou Wilderness, Hay Meadow 1950 Comment
  JEPS100356  Carex lemmonii Dean W. Taylor 2001-6-6 17782 Plumas headwaters Onion Creek about 0.25 air miles SW of American House, along Forest Road 21N01Y 1432 Comment
  CHSC58527  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5040 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC92994  Carex leporinella G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3319 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  SEINET11635247  Carex leptopoda L. P. Janeway 1989-1 3404 Plumas Plumas NF, between Tomba Rd & Hwy 70/89 just N of Jackson Cr, below Cromberg Spring, Beckwourth 1335 Comment
  CAS-BOT-BC31520  Carex limosa V. Oswald; Lowell Ahart 1988-8-4 3678 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park 1676 Comment
  CAS-BOT-BC31642  Carex luzulina var. ablata John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 2097 Plumas At spring, Butterfly Botanical Area. 1127 Comment
  CAS-BOT-BC31694  Carex mariposana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54343 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road 1341 Comment
  SEINET10711246  Carex mariposana John Thomas Howell 1981-6-25 Howell 54343 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CAS-BOT-BC32069  Carex multicaulis John Thomas Howell; Gordon H. True 1967-7-11 43312 Plumas Ca 3 mi SE of Mt. Hough. 1706 Comment
  OBI6409  Carex multicaulis Lewis S. Rose 1963-6-3 63084 Plumas Butterfly Valley, 2 mi SW of Keddie 1189 Comment
  RSA71293  Carex multicostata L. S. Rose 1951-6-28 51036 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  UC943034  Carex multicostata Lewis S. Rose 1951-6-28 51036 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CAS-BOT-BC32231  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Crocker Mt quad. S side of Dotta Canyon 2.2 mi SE of Beckwourth-Genesee Road. 1706 Comment
  CHSC46999  Carex nebrascensis L. P. Janeway 1984-7-13 905 Plumas Southwest of Bucks Lake, near Grizzly Cr campground. 1584 Comment
  CHSC47008  Carex nebrascensis L. P. Janeway 1989-7-25 3516 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.1 mi N of Beckwourth. 1752 Comment
  JEPS63506  Carex nebrascensis W. L. Jepson 1939-8-14 19412 Plumas Willow Creek 1828 Comment
  CAS-BOT-BC119857  Carex nebrascensis Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-19 1457 Plumas Marshy pond on SE side of Portola. Comment
  CHSC88003  Carex nervina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along the edges of a very small stream, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  SEINET4292062 Image available Carex pachycarpa Unknown 2003-1 7910 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. Reading Peak 7.5' quad. Comment
  UC1561807  Carex pachycarpa Barbara Ertter with Gary Schoolcraft 1987-6-17 7204 Plumas ca. 1.5 air mi n Chester 1371 Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  CAS-BOT-BC119011  Carex pellita D. H. Esplin; R. K. Gierisch 1968-10-3 5 Plumas Crocker Guard Station horse pasture. 1737 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
  UC1100507  Carex pellita Malcolm A. Nobs, S. Galen Smith 1949-8-19 1442 Plumas Butterfly Valley Comment
  UCD108019  Carex pellita Tim Kuhn 2006-7-12 65 Plumas west of Willow Creek Road, north of Lake Davis. Comment
  SEINET10715751  Carex pellita David Castaner 1984-5-28 Castaner 8056 Plumas 1.8 miles west of Greenhorn Creek. ALong Highway 70. Low area. Comment
  CHSC102001  Carex scabriuscula L. P. Janeway; B. Castro 2009-8-29 9944 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  UCSB63772  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-11 Plumas USFS 23N85Y; 0.8 mi. east of Oroville-Quincy Hwy.; 6.2 mi. northeast of Four Trees; on the south side of Frenchman Hill: T23N R7E NW1/4 Sect. 18 1737 Comment
  CHSC84923  Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. 2115 Comment
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Jul 29 2014
  RSA60032  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes. 2104 Comment
  SEINET7574995 Image available Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. In cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2115 Comment
  CHSC60505  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas Plumas National Forest. South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines; 1/2 mi west of Mohawk, 1/4 mi west of Middle Fork Feather River. 1341 Comment
  UC1133451  Carex spectabilis L. S. Smith 1927-8-10 2166 Plumas near Gold Lake; Downieville Quadrangle 1981 Comment
  JEPS49037  Carex spectabilis Leland S. Smith 1927-8-10 2192 Plumas w end Gold Lake Tahoe National Forest, Gold Lake 2133 Comment
  JEPS49039  Carex spectabilis Leland S. Smith 1927-8-10 2167 Plumas above Gold Lake, w end; Tahoe National Forest 2194 Comment
  CDA17777  Carex stipata var. stipata G. D. Barbe, T. C. Fuller 1982-6-14 3688 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 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-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CDA17812  Carex subfusca G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3320 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CHSC63285  Carex subfusca Lowell Ahart 1994-6-17 7359 Plumas Small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 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
  HSC7174  Carex subfusca L. S. Rose 1968-6-10 68085 Plumas Quincy Meadow 1037 Comment
  JEPS113825  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
  JEPS117656  Carex subfusca Lowell Ahart 2010-7-27 16926 Plumas On the north side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  UCD141162  Carex subfusca Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  CAS-BOT-BC115984  Carex subfusca L. P. Janeway 1990-6-15 3718 Plumas Along Rattlesnake Creek, 2.1 mi (along the creek) N of Hwy 70/89. Mt. Ingalls quad. 1859 Comment
  CAS-BOT-BC115992  Carex subfusca Clare B. Hardham 1970-8-8 17701 Plumas Thompson Peak. 2286 Comment
  CAS-BOT-BC116000  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54350 Plumas 4.8 mi NW of Antelope Reservoir. 1661 Comment
  UC2015891  Carex subfusca Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4407 Plumas Lassen Volcanic National Park. Lower Drakesbad meadow. Comment
  SEINET10751196  Carex teneriformis Thomas 1981-6-25 Thomas 54313 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville. 1219 Comment
  CAS-BOT-BC115403  Carex utriculata Walter Knight; Irja Knight 1966-6-19 1625 Plumas In very damp area, North end of Pond Reservoir. 1097 Comment
  CAS-BOT-BC115408  Carex utriculata John Thomas Howell 1967-6-23 42709 Plumas Butterfly Valley. 1066 Comment
  CHSC117470  Carex utriculata B. Castro; Robin Carter 2010-7-17 1826 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 100 ft downstream of dam outlet a few yards NW of lone Ponderosa pine, 1499 Comment
  CHSC52551  Carex utriculata L. P. Janeway 1989-6-30 3432 Plumas Plumas National Forest. Narrow mdw along Crocker Cr, ca 0.6 mi N of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  JEPS107973  Carex utriculata Lowell Ahart, John Dittes 2005-9-19 12384 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
  HSC93422  Carex utriculata Vernon H. Oswald, L. Ahart 1996-7-15 8055 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  SD130384  Carex whitneyi John Thomas Howell 20-23 Jun 1977 52407 Plumas Sierra Nevada Mountains; desiccated strand below the high water line on the peninsula of Lake Almanor. 1372 Comment
  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-BC249369  Castilleja applegatei Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 2000 Comment
  UCD40405  Castilleja applegatei Rodney Gale Myatt 1971-6-13 736 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC249737  Castilleja applegatei subsp. pinetorum C. R. Quick 1945-7-20 45 -69 Plumas Lava Cap along Rock Creek S.E. of Meadow Valley Comment
  CAS-BOT-BC249742  Castilleja applegatei subsp. pinetorum John Thomas Howell 1962-6-19 37852 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CHSC116107  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-7-4 20291 Plumas On the north side of the paved road, about 1 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 2 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1720 Comment
  CHSC24438  Castilleja applegatei subsp. pinetorum D. E. Brink Jr.; L. M. Mayer 1975-7-8 Plumas Found in the north part of the section along the roadside above Lower Bucks Lake. Comment
  CHSC34755  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-8-19 4214 Plumas S side of rd 23N10, 0.5 mi e of Bell Creek, ca. 1 mi w of Sloat. 1341 Comment
  JEPS81609  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-9-1 5086 Plumas ca 15 mi ne Taylorsville; Diamond Mt. Quad., Red Rock Lookout 2316 Comment
  JEPS81610  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-31 5082 Plumas ca 6 air mi ne Taylorsville (just s of Taylor Lake); Kettle Rock Quad., Summit of Taylor Rock Lookout 2383 Comment
  JEPS9894  Castilleja applegatei subsp. pinetorum W. L. Jepson 1939-7-31 19296 Plumas halfway between Buck's Valley and Meadow Valley; Spanish Peak 1676 Comment
  JEPS3892  Castilleja arachnoidea Mrs. Emanuel Esther C. Fritz 1933-7-15 Plumas Summit of Spanish Peak along road Summit of Spanish Peak 2133 Comment
  SBBG25803  Castilleja campestris K. K. Muller 1965-8-19 1368 Plumas St Hwy 89, 5 mi NW of Almanor Post Office Comment
  SD7028  Castilleja campestris subsp. campestris Daniel Cleveland 1882-7-22 Plumas Prattville 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
  UCD23342  Castilleja linariifolia E. W. Jameson 1949-5-6 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  CAS-BOT-BC254062  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley. Comment
  CAS-BOT-BC254054  Castilleja miniata M. S. Taylor 1982-8-9 4943 Plumas Along creek in wet areas e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 air mi sse of Canyon Dam. Flora of Plumas County 1859 Comment
  SEINET10549615  Castilleja miniata Mary Susan Taylor 1982-8-4 Taylor 4916 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CHSC117586  Castilleja miniata subsp. miniata L. P. Janeway 2016-8-10 12149 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
  CHSC75930  Castilleja miniata subsp. miniata G. F. Hrusa 1996-8-2 13443 Plumas Sierra Nevada. Steep rocky slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NE of Argentine Rock. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  JEPS118430  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
  CAS-BOT-BC241040  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse, Lakes Basin Area 1981 Comment
  JEPS100472  Castilleja pilosa Dean W. Taylor 2000-8-12 17565 Plumas 3 air mi SE of Antelope Lake; Feather River watershed, Dry Flat; Dry Flat (3 air mi SE of Antelope Lake, Feather River watershed) 1676 Comment
  CHSC101514  Castilleja tenuis G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16316 Plumas Willow Creek Rd. 1.6 mi NW of Hwy 70 and 2.6 mi W on 70 from town of Portola. 1554 Comment
  CHSC24240  Castilleja tenuis L. Mayer 1976-8-2 Plumas Sw shore of Lake Almanor. Comment
  CHSC36206  Castilleja tenuis M. S. Taylor 1982-7-8 4800 Plumas On Ramelli Ranch on s side of Feather River in dry edges, ca. 1 mi se of Beckwourth. 1487 Comment
  UC1537453  Castilleja tenuis Gordon H. True Jr. 1938-7-14 961 Plumas Summit of Milford Grade 1767 Comment
  UCD123064  Castilleja tenuis L. P. Janeway 1996-6-5 5001 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch: northwest corner of Sierra Valley: 0.2 mi south of Middle Fork Feather River and 0.8 mi west of the road to Calpine. 1488 Comment
  JEPS82979  Ceanothus Toni Fauver 1984-5-13 227 Plumas Caribou rd to Humbug Valley Feather River 1371 Comment
  CAS-BOT-BC48610  Ceanothus cordulatus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2099 Plumas Road near pond 1097 Comment
  RSA14403  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC49031  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54297 Plumas Sierra Nevada - East side of Indian Valley just north of Taylorsville 1112 Comment
  UCD111781  Ceanothus cuneatus C. L. Schmidt 1988-7-15 1222 Plumas Red Hill, up Rush Creek Road, 9.4 miles SW of Paxton on US Hwy. 70. 1260 Comment
  CAS-BOT-BC50729  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1479 Plumas Butterfly Botanical Area and Vicinity - Along roadside in Butterfly Canyon 1036 Comment
  JEPS42130  Ceanothus integerrimus E. Fritz 1936-6-14 Plumas near Meadow Valley (Silver Lake Rd) 1524 Comment
  UC1552757  Ceanothus integerrimus Frederica Bowcutt 1985-6-5 547 Plumas sw side Red Clover Creek (Beckworth Genesee Rd, ca 15 air mi ne of Quincy,); Plumas National Forest Comment
  UC338184  Ceanothus lemmonii Lemmon 1874-1 Plumas near Quincy (Thompson's Ranch) Comment
  CAS-BOT-BC63361  Ceanothus prostratus Michael A. Vincent 1999-6-8 8558 Plumas Plumas National Forest, Milford Ranger District. Along FS 28N03 between FS 27N25 and FS 26N16. Comment
  RSA59889  Ceanothus prostratus E. K. Balls 1950-9-14 15816 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  RSA609441  Ceanothus prostratus Louis C. Wheeler 1958-7-30 7352 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UCD23355  Ceanothus prostratus E. W. Jameson 1949-4-25 s.n. Plumas Expt. Station, 4 mi. north of Quincy. 1066 Comment
  UCSB13419  Ceanothus prostratus Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  SEINET10493655  Ceanothus prostratus Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4176 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
  SBBG33989  Ceanothus prostratus var. prostratus L. S. Rose 1969-6-24 Plumas 5 mi W of Keddie, Butterfly Valley 1036 Comment
  UC1071482  Ceanothus velutinus G. T. Nordstrom 1934-7-16 227 Plumas 1 3/4 mi ne Mount Ararat; Bidwell Bar Quadrangle 1767 Comment
  CAS-BOT-BC63191  Ceanothus velutinus var. velutinus L. P. Janeway 1989-6-15 3324 Plumas NE-facing slopes on flank of Crocker Mtn. above Red Clover Valley. 1722 Comment
  CHSC96847  Ceanothus velutinus var. velutinus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14051 Plumas Steep north slope, about 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC20809  Centaurea cyanus K. R. Stern 1975-7-24 5846 Plumas E shore of Lake Almanor. 1371 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
  SD8795  Centaurea melitensis R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC108046  Centaurea stoebe subsp. micranthos L. P. Janeway 2011-8-23 10673 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 22N95 at Road 22N05; headwaters of Negro Run Ravine on the upper south slope of Hartman Bar Ridge. 1538 Comment
  CHSC34284  Cercocarpus ledifolius var. ledifolius M. S. Taylor 1981-7-6 3979 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcott. 1920 Comment
  CAS-BOT-BC276725  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad 1615 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
  POM183494  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-09 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC276726  Chaenactis douglasii var. douglasii Lowell Ahart 1986-7-8 5362 Plumas Near an open bare serpentine area, S of where the road crosses Onion Valley Creek, ca 1 miles NW of Pilot Peak 1920 Comment
  CAS-BOT-BC276732  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-1 s.n. Plumas On road from Chilcoot, United States Forest Reserve Comment
  CAS-BOT-BC58384  Chaenactis douglasii var. douglasii R. C. Wenk 2009-7-13 1117 Plumas Plumas National Forest, Frenchman Lake, Little Last Chance Creek Road, 1.2 air mi. WNW of reservoir dam 1750 Comment
  JEPS125726  Chamaesyce serpillifolia subsp. serpillifolia William Harnach 2015-8-6 1438 Plumas 4.85 miles West of Vinton on Highway 70. Comment
  SEINET9442528  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1989-6-29 203 Plumas Sierra Valley, Approx 4 miles W of Vinton on Hwy 70, Hindoo Ranch. 1490 Comment
  CHSC53602  Cheilanthes gracillima L. P. Janeway 1990-7-5 3772 Plumas Plumas National Forest. Between the main forks of Paradise Cr ca 1 mi south of Little Grizzly Cr. 1844 Comment
  CAS-BOT-BC70198  Cheilanthes gracillima Emily K. Mcpherson 1976-11-7 76- 32 -4 Plumas Portola Quad. 5 miles north of Beckwourth 2055 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
  CDA2989  Chenopodium album var. album J. T. Howell 1959-9-26 35047 Plumas Near Keddie. Comment
  CDA23361  Chenopodium botrys D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .262 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  UC1075731  Chimaphila menziesii Robert J. Weatherby 1955-7-21 1646 Plumas Bottle Springs near Middle Fork Feather R.; Bottle Springs 1615 Comment
  CAS-BOT-BC451423  Chimaphila menziesii Anna Head 1921-8-6 s.n. Plumas Feather River Region, near Gold Lake Camp Comment
  CHSC21803  Chimaphila umbellata F. T. Griggs; A. Pass 1975-8-1 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC452244  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy 1219 Comment
  RSA52868  Chimaphila umbellata subsp. occidentalis R. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy. 1220 Comment
  SEINET10449196  Chimaphila umbellata var. occidentalis Mary Susan Taylor 1981-7-17 Taylor 4031 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  UC1135240  Chrysolepis sempervirens C. G. Albertus 1935-8-2 244 Plumas 3 mi ne Blue Nose; Plumas National Forest, Downieville Quad. 1828 Comment
  UCR57495  Chrysopsis villosa R. D. Goeden, Don W. Ricker 1989-8-22 890822- 01 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, east side of Frenchman Lake 1725 Comment
  CHSC108094  Chrysothamnus nauseosus subsp. albicaulis Lowell Ahart 2011-9-17 17676 Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam. 1687 Comment
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  RSA126612  Chrysothamnus nauseosus subsp. albicaulis E. Nourse 1934-8-9 7 Plumas 0.75 mile west of Clermont Hill 1951 Comment
  RSA60214  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-6 15689 Plumas 1.9 miles NW of Spring Garden, Hwy. 24, east of Quincy 1220 Comment
  SEINET10474163  Chrysothamnus viscidiflorus Mary Susan Taylor 1980-10-8 Taylor 3364 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  CAS-BOT-BC100818  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1961-9-25 36963 Plumas Portola 1478 Comment
  CAS-BOT-BC100825  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1978-8-11 21792 b Plumas about 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC100826  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1989-9-6 3642 Plumas Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth 1752 Comment
  CHSC59681  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1992-8-10 4288 Plumas Plumas National Forest. Northeast side of Dotta Canyon ca 1 mi northwest of Dotta Neck. 1712 Comment
  CHSC83189  Chylismia claviformis subsp. integrior June McCaskill 1967-6-6 465 Plumas Lake Almanor region. Comment
  CDA19929  Cichorium intybus J. Naughton 2002-7-7 106 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CHSC59126  Cicuta douglasii Vernon H. Oswald 1992-8-10 5155 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  UC185111  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  UCD127287  Cicuta douglasii R. Tofsrud 1948-7-20 s.n. Plumas Between Quincy and Quincy Junction. Comment
  JEPS76222  Cinna latifolia W. L. Jepson 1939-7-31 19306 Plumas half-way between Meadow Valley and Bucks Valley 1676 Comment
  CHSC20992  Circaea alpina subsp. pacifica F. T. Griggs; A. Pass 1975-7-11 157 Plumas Buck's Lake. Comment
  JEPS96042  Circaea alpina subsp. pacifica Vernon H. Oswald and Lowell Ahart 1996-8-14 8152 Plumas n.e. La Porte (on La Porte-Quincy Rd. 3.1 mi. n. of rd. to Johnsville, 1.0 mi. s. of S. Fork Feather R.); n. High Sierra Nevada 1920 Comment
  HSC93208  Circaea alpina subsp. pacifica Vernon H. Oswald, L. Ahart 1966-8-14 8152 Plumas High Sierra Nevada, NE of La Porte on the La Porte-Quincy Rd. 3.1 mi. N of the Rd. to Johnsville, 1 mi. S of the S fork of the Feather River 1921 Comment
  UC1075738  Circaea alpina subsp. pacifica Robert J. Weatherby 1955-7-21 1654 Plumas Middle Fork Feather R., Bear Creek, 4th. Water 1554 Comment
  UC91812  Cirsium andersonii Mrs. R. M. Austin 1896-8-1 556 Plumas Big Meadows Comment
  CAS-BOT-BC290606  Cirsium arvense Peter Rubtzoff 1978-8-4 9244 Plumas West side of Highway 89, 0.2 miles north of Spanish Creek crossing (ca. 0.75 miles north of Quincy). Comment
  CAS-BOT-BC278022  Cirsium cymosum A. A. Heller; P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith [Beckworth/Beckwourth] and Red Clover valley Comment
  CDA17241  Cirsium cymosum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16344 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
  SEINET7451111 Image available Cirsium cymosum var. cymosum A. A. Heller, P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith and Red Clover valley Comment
  CAS-BOT-BC279953  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35987 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279958  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285545  Cirsium occidentale var. candidissimum H. Albert Barker 1926-7-11 126 Plumas Feather River - Blairsden 1371 Comment
  CAS-BOT-BC285546  Cirsium occidentale var. candidissimum John Thomas Howell 1951-6-29 27750 Plumas Feather River Canyon 548 Comment
  RSA128650  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road, just north of county line, 7.3 miles south of Vinton. Comment
  SEINET13351414 Image available Cirsium ochrocentrum T. C. Fuller Unknown s.n. Plumas unknown Comment
  CAS-BOT-BC105872  Cirsium scariosum W. Harnach; N. Harnach 1990-6-13 376 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 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
  JEPS118594  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 road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  CAS-BOT-BC285832  Cirsium vulgare Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1472 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Canyon 990 Comment
  CAS-BOT-BC439036  Cistanthe monosperma Mrs. H. C. Cantelow 1941-5-25 s.n. Plumas Near Buck's Creek power station, Feather River Canyon, on State highway 24. Comment
  CAS-BOT-BC205708  Cistanthe umbellata James R. Shevock 1985-5-19 11172 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 26N70 at Dixie Valley, and 1.2 miles south of junction with road 28N01 1800 Comment
  SEINET10492510  Clarkia mildrediae A. Arthur Heller 1940-6-5 Heller 15708 Plumas Along State Highway #24, in granite sand near Bucks Creek Power House. Rather plentiful for a distance of a mile or more, always in granite. Comment
  CHSC11365  Clarkia mildrediae subsp. lutescens Lowell Ahart 1971-7-27 Plumas South of La Porte. 1219 Comment
  CHSC94110  Clarkia mildrediae subsp. lutescens Lowell Ahart 2006-7-9 12920 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir. 1650 Comment
  JEPS102937  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek 1567 Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  RSA0059905  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1995-7-29 4882 Plumas Along Pipeline Road 3.3 miles NW of Lower Bucks Lake Dam. 1585 Comment
  POM181047  Clarkia purpurea subsp. quadrivulnera A. A. Heller, P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  POM253258  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the bridge over Indian Creek just north of Quincy 1098 Comment
  CAS-BOT-BC164921  Clarkia rhomboidea John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2348 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  CHSC63149  Clarkia rhomboidea Lowell Ahart 1994-7-7 7454 Plumas Plumas County/Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CAS-BOT-BC165393  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC82615  Clarkia stellata L. P. Janeway 2001-7-3 7258 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  NY1085602  Clarkia stellata A. A. Heller 1907-7-9 8778 Plumas Prattville Comment
  SEINET10885380  Clarkia stellata A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8778 Plumas Prattville Comment
  CHSC107465  Claytonia lanceolata Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 5 Plumas Northern High Sierra Nevada. Growing on the exposed S/SE facing ridge top of Goat Mountain in scree. 1707 Comment
  UC170920  Claytonia lanceolata H. M. Hall 1912-6-29 9292 Plumas Spanish Peak; Sierra Nevada Mountains 2133 Comment
  SEINET10572688  Claytonia lanceolata Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4475 Plumas 5000 ft. T27N R8E nw/ne sec 35. Almanor NE quad. E facing serpentine slope, s side of 27N92, ca. l.5 air mi se of Canyon Dam. 1524 Comment
  CDA23954  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-2 4974 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CAS-BOT-BC443637  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1962-6-18 37766 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC443642  Claytonia perfoliata subsp. perfoliata Walter Knight; Irja Knight 1967-5-22 1904 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  SEINET10572733  Claytonia rubra Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3847 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  CDA15385  Claytonia rubra subsp. rubra G. F. Hrusa 1997-5-3 13839 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC52528  Claytonia rubra subsp. rubra L. P. Janeway 1990-6-19 3723 Plumas Plumas National Forest. Beckwourth Ranger District. Rattlesnake Compartment. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  SEINET10536030  Clematis lasiantha John G. Lemmon Lemmon s.n. Plumas Comment
  CHSC76071  Collinsia parviflora G. F. Hrusa 1997-5-30 13832 Plumas Sierra Nevada. On E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1340 Comment
  UC586856  Collinsia torreyi var. torreyi Joseph Andorfer Ewan 1934-6-25 8225 Plumas Gold Lake Road above Dentons (Blairsden) Blairsden; Gold Lake Road above Dentons (Blairsden) 1676 Comment
  UC1026457  Collinsia torreyi var. wrightii John Thomas Howell 1951-6-28 27703 Plumas Eureka Peak 2255 Comment
  UC1552743  Collomia grandiflora Frederica Bowcutt 1985-6-6 553 Plumas along Beckwourth Genesee Road about 1 <air?> mi ne Drum Bridge (about 15 air mi ne of Quincy, s-facing road bank); Plumas National Forest Comment
  RSA119387  Collomia grandiflora George W. Gillett 1957-7-18 807 Plumas Near trail on south side of Boiling Springs Lake. 1814 Comment
  RSA74108  Collomia heterophylla Milo S. Baker 1952-5-27 12468 a Plumas Hiwy 24, Feather River Canyon, far below Belden, perhaps 20 mi, at drinking fountain on right side of Hwy (going down) Comment
  CHSC41894  Collomia tinctoria Lowell Ahart 1986-7-25 5374 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  RSA59433  Collomia tracyi E. K. Balls 1950-9-15 15849 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  SEINET7134355  Convolvulus arvensis W. Harnach, N. Harnach 1989-6-17 147 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  CAS-BOT-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
  JEPS115334  Conyza canadensis Lowell Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  HSC101683  Corallorhiza maculata Dillon North Davis 2013-5-25 4 Plumas UC Berkeley Forestry Camp, ~ 1 mile south of Meadow Valley. 1252 Comment
  UC608845  Corallorhiza maculata Beryl O. Schreiber 1938-7-10 2528 Plumas 1/4 mi s U.C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  HSC16576  Corallorhiza maculata Jim Vaughn 1956-7-15 Plumas Boiling Springs Lake, near Mt. Lassen Natl. Park Comment
  RSA101458  Corallorhiza maculata R. Weatherby 1955-7-2 1580 Plumas Wilcox Valley 1921 Comment
  SEINET10470001  Corallorhiza maculata Mary Susan Taylor 1982-7-14 Taylor 4828 Plumas T26N R9E se/nw sec 29. Greenville SW quad. N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. Mixed Evergreen Forest; 5000 ft. 1524 Comment
  RSA88132  Cordylanthus tenuis subsp. tenuis J. T. Howell 1951-8-20 28224 Plumas Indian Valley. 1098 Comment
  SBBG32249  Cordylanthus tenuis subsp. tenuis L. S. Rose 1966-7-26 66047 Plumas Butterfly Valley, 3 mi W of Keddie 1066 Comment
  CHSC101998  Cordylanthus tenuis subsp. viscidus L. P. Janeway; B. Castro 2009-8-29 9948 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.6 km south of the Buckhorn survey monument; at junction of Road 23N69 and Road 23N36Y (to Martin Mine). 1881 Comment
  CAS-BOT-BC210307  Cornus sericea Alice Rosenberg 1917-7-1 s.n. Plumas Feather River Comment
  CDA18587  Cornus sericea subsp. sericea G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3279 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  UC1122739  Cornus sericea subsp. sericea G. T. Nordstrom 1934-7-9 201 Plumas 3/4 mi. s. Mt. Ararat; Plumas Nat'l Forest, Bidwell Bar Quad. 1645 Comment
  SEINET5339233  Corydalis caseana M. J. Williams 1966-7-11 s.n. Plumas Jamison Creek above Johnsville. 1829 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-BC290442  Crepis acuminata Clare B. Hardham 1978-8-11 21770 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC290454  Crepis acuminata Anna Head 1920-7-25 s.n. Plumas Near Lake Center Camp. Feather River Region 1920 Comment
  RSA755686  Crepis acuminata L. Ahart, John Dittes 2009-7-15 16098 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  RSA129860  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 miles SSE of Crow. 1982 Comment
  CHSC34903  Crepis bakeri M. S. Taylor 1981-6-3 3855 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 Comment
  CDA20395  Crepis capillaris J. Naughton 2002-7-7 103 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CAS-BOT-BC291560  Crepis intermedia Mary Strong Clemens 1920-6-30 s.n. Plumas Greenville Comment
  SEINET10474585  Crepis modocensis Mary Susan Taylor 1982-5-17 Taylor 4466 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-BC291592  Crepis modocensis subsp. subacaulis G. D. Barbe 1982-6-9 3667 Plumas Southeast and below Thompson Peak overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  UC346534  Crepis monticola E. B. Babcock and M. Navashin 1928-6-26 183 Plumas Fritillaria Gulch (Miss Jenkins') Meadow Valley (in front of Mr. Colton's Canyon) Comment
  UC567039  Crepis occidentalis E. Sawyer 1935-6-1 51 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle 1524 Comment
  CAS-BOT-BC290784  Crepis occidentalis subsp. occidentalis Clarence R. Quick 1952-6-29 52 -74 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  CHSC64070  Crepis pleurocarpa B. Castro; R. A. Schlising 1987-7-21 177 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
  JEPS115527  Crypsis alopecuroides Lowell Ahart 2009-9-7 16391 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC189307  Cryptantha Clare B. Hardham 1975-8-2 20482 Plumas Black Mountain 2133 Comment
  CHSC96849  Cryptantha affinis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14007 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
  RSA0058874  Cryptantha affinis Lowell A. Ahart 2008-7-9 15053 Plumas About 20 yards north of the dirt road, about 1/4 mile east of the Feather Fork mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  SD71011  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Drakesbad 1675 Comment
  SEINET10497260  Cryptantha affinis Lowell Ahart 1985-7-11 Ahart 5144 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC79699  Cryptantha ambigua G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 58 W']. 2100 Comment
  JEPS102384  Cryptantha simulans Lowell Ahart 2001-7-17 8912 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS103429  Cryptantha simulans Lowell Ahart 2002-7-18 9861 Plumas Basalt ridge, ca 1/8 mile N of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam, ca 4 1/2 miles (air) NW of La Porte. 1764 Comment
  CDA32015  Cryptantha torreyana L. Ahart, J. Dittes, J. Guardino 2009-7-29 16223 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  OBI20816  Cryptantha torreyana Lewis S. Rose 1967-7-11 67157 Plumas Mt. Hough Rd, 2 mi NE of Quincy jctn 1219 Comment
  CHSC32041  Cryptogramma acrostichoides L. Ahart 1979-7-18 1973 Plumas Ca. 1 mi w of Pilot Peak, ca. 1/8 mi s of Onion Valley, ca. 12 mi n of La Porte. 1800 Comment
  RSA59149  Cryptogramma acrostichoides E. K. Balls 1950-9-1 15610 Plumas East of Long Lake in meadow sloping down to two smaller lakes. 2134 Comment
  MACF019599  Cupressus Trudy R. Ericson 1975-9-18 406 Plumas Approx. 1/8 mi. east of Mud Lake which lies due south of end of logging road 2103 Comment
  SEINET10531423  Cupressus bakeri Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4175 Plumas T26N R11E ne 1/4 sec 23. Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse. 6500 ft. 1981 Comment
  RSA201283A  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  CAS-BOT-BC224402  Cuscuta californica Anna Head 1921-7-27 s.n. Plumas Camp Elwell. Feather River Region Comment
  CDA39920  Cuscuta californica var. breviflora L. Ahart 2003-9-7 10563 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. Comment
  CHSC92818  Cuscuta californica var. californica Lowell Ahart; Josephine Guardino 2005-8-9 12277 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  RSA795632  Cuscuta subinclusa L. Ahart 2011-9-17 17677 Plumas West side of Lumpkin Ridge Road, about 2 air miles west of Little Grass Valley Reservoir Dam. 1688 Comment
  JEPS96033  Cuscuta subinclusa Vernon H. Oswald and Lowell Ahart 1996-8-14 8173 Plumas near Bucks Summit on Oroville - Quincy Hwy between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Road, 1.8 mi NE of White Horse Campground; northern High Sierra 1676 Comment
  CHSC65626  Cycladenia humilis var. humilis L. P. Janeway 1995-6-25 4815 Plumas Upper slope overlooking Butt Creek about 2 mi southwest of Prattville and Lake Almanor. 1432 Comment
  UC1586428  Cycladenia humilis var. humilis Vernon H. Oswald and Lowell Ahart 1991-6-18 4686 Plumas 4 air mi n of Greenville (Forest Road 28N38 3.4 mi ene of its junction w County Road 201 (Old Haun Road)); Forest Road 28N38 Comment
  SD7703  Cycladenia humilis var. humilis R. M. Austin 1880-1 Plumas Dutch Hill Comment
  CHSC118709  Cynodon dactylon Noah Siegel; Wendy L. Boes 2015-5-11 2015001 Plumas Plumas National Forest. Located at Tobin Quarry UTM 644067 E, 4422464 N, NAD83 Zone 10N. Growing along the roadside at quarry. 792 Comment
  CHSC99800  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 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
  JEPS114862  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 Plumas S of the road, about 1/2 mi NW of the dam at Little Grass Valley Reservoir, about 4 mi (air) NW of La Porte 1689 Comment
  SEINET9153731  Cyperus squarrosus W. Harnach, N. Harnach 2000-8-2 969 Plumas Sierra Valley, 1.5 miles south of HWY 70 on A-23, 0.25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  UC698534  Cyperus squarrosus Dorothy E. Beetle 1941-6-28 58 Plumas n.w. corner Lake Almanor 975 Comment
  CAS-BOT-BC136515  Cypripedium montanum Mrs. Charles (Martine) Telford 1967-1-1 s.n. Plumas Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136516  Cypripedium montanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1565 Plumas Field redacted by CAS, contact the data manager for more information 1066 Comment
  CAS-BOT-BC189784  Dactylis glomerata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1529 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC445532  Damasonium californicum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UC711960  Damasonium californicum Roxana S. Ferris and Laura Lorraine 1941-8-9 10435 Plumas ca. 2 1/2 mi. from Lake Almanor Public Camp (State Hwy. #89 on rd. to Chester) Comment
  CAS-BOT-BC186624  Danthonia californica John Thomas Howell 1962-6-17 37686 Plumas Butterfly Valley 1036 Comment
  JEPS106216  Danthonia californica var. californica Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11006 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  CAS-BOT-BC192347  Danthonia unispicata John Thomas Howell 1951-6-27 27582 Plumas McRae Meadow 1981 Comment
  CDA19259  Danthonia unispicata G. D. Barbe, T. C. Fuller 1982-6-17 3852 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  HSC101697  Darlingtonia californica Dillon North Davis 2013-5-22 1 Plumas 3.4 miles south on FS Road 25N17 from intersection with Highway 70 1280 Comment
Read comments
Jun 29 2016
  SEINET7286676 Image available Darlingtonia californica Stephen L. Clement 1973-1 68- 5 -26 Plumas 1.4 miles wset of Keddie 1036 Comment
  SJSU3172  Darlingtonia californica R. Hanley 1958-5-30 Plumas 3 mi SW of Keddie 1005 Comment
  UC1127098  Darlingtonia californica Tom Aitkin Oct. 1938 Plumas near Keddie; Downieville Quadrangle, Butterfly Valley Comment
  UC1191518  Darlingtonia californica Malcolm A. Nobs and S. Galen Smith 1949-8-19 1434 Plumas Butterfly Valley Butterfly Valley (bog and marsh) Comment
  UCD119060  Darlingtonia californica Dean Ahrenholz 1964-5-16 22 Plumas Snake Lake Road, 5 miles west of Quincy. 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
  SEINET12007444  Darlingtonia californica Unknown s.n. Plumas Comment
  CAS-BOT-BC420649  Darmera peltata Walter Knight; Irja Knight 1966-9-12 1747 Plumas Mouth of Butterfly Creek. 1036 Comment
  UCD102616  Darmera peltata Alva Day Date unknown s.n. Plumas Cascade Creek. Comment
  CAS-BOT-BC8914  Delphinium depauperatum Anna Head 1920-7-1 s.n. Plumas Near Gold Lake, Feather River Region 1981 Comment
  CHSC115685  Delphinium depauperatum Emily Meigs Doe 2015-4-15 22 Plumas Northern High Sierra Nevada. Plumas National Forest. Near top of westeern side of Goat Mountain, overlooking Little Grass Valley Reservoir to the north. Approx. 2.6 miles north-northeast of La Porte. 1706 Comment
  UCSB15813  Delphinium depauperatum Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CHSC61606  Delphinium hesperium Arthur O. Barrett 1915-6-27 1 Plumas Plumas Forest. Indian Creek. 1645 Comment
  CAS-BOT-BC9861  Delphinium nudicaule Clare Butterworth Hardham 1961-6-16 7458 Plumas Diamond Peak 2133 Comment
  CHSC97159  Delphinium nudicaule Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14009 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
  UCR115328  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1982-7-15 3739 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  SEINET10899317  Delphinium nudicaule Mary Susan Taylor 1981-5-10 Taylor 3664 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET12092486  Delphinium nudicaule Austui n d s.n. Plumas no further locality Comment
  SEINET7720713  Delphinium nudicaule Unknown Plumas Indian Valley Comment
  CAS-BOT-BC116116  Delphinium nuttallianum A. A. Heller 1913-6-13 10862 Plumas Near Quincy 1066 Comment
  CAS-BOT-BC116128  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-16 7476 Plumas Diamond Peak Comment
  CHSC45507  Delphinium nuttallianum Lowell Ahart 1977-6-20 1432 Plumas About 1/2 mile north-east of Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  UC136341  Delphinium nuttallianum Mrs. A. L. Coombs July 1902 Plumas Prattville Comment
  CAS-BOT-BC116115  Delphinium nuttallianum R. C. Bacigalupi 1927-7-12 1730 Plumas Along Little Gray Eagle Creek, near Lakes Center Camp, Gold Lake region 1889 Comment
  UC725740  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas wayside ditch along State Hwy 89 3 mi s Prattville Comment
  SEINET10448602  Dentaria pachystigma Mary Susan Taylor 1982-5-13 Taylor 4441 Plumas T24N R8E sw/nw sec 13. Bucks Lake NE quad. Ca. 500 yds s of Spanish Creek- Bucks Lake Rd at its jct with 24N29, ca. 0.5 mi w of Meadow Valley. Serpentine slope, 3800 ft. 1158 Comment
  CHSC91595  Deschampsia cespitosa G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. 1158 Comment
  SEINET4566784  Deschampsia cespitosa M. Foster 1988-7-22 197 Plumas Grizzly Valley Quad, along Big Grizzly Creek, inside a U.S.F.S. cattle exclosure, 0.25 miles south of Walker Mine Road, 1 mile west of Lake Davis, and 12 miles north by northwest of Portola 1768 Comment
  SEINET4566848  Deschampsia cespitosa A. A. Heller, P. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC198151  Deschampsia danthonioides John Thomas Howell 1960-7-19 35619 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC198159  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor. 1828 Comment
  JEPS115987  Deschampsia danthonioides Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15897 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area 1421 Comment
  OBI2939  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy 1036 Comment
  UCD63279  Deschampsia danthonioides G. Douglas Barbe; T. C. Fuller 1982-6-17 3848 Plumas East shore Frenchman Lake; Crystal Fishing Access. 1706 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
  CDA13857  Deschampsia elongata G. F. Hrusa, T. D. Wilfred 1996-8-2 13463 Plumas Sierra Nevada; Volcanic slopes on E side of Fells Creek immed. upstream from USFS 23N22 crossing. Dry shade just above bank of Fells Creek. Bunching. Comment
  CDA13965  Deschampsia elongata G. F. Hrusa 1996-8-2 13427 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny site, on moist to wet springline trib. of Squirrel Creek. Perennial, bunching. Uncommon here. Comment
  CAS-BOT-BC43507  Descurainia sophia David D. Keck 1932-7-3 1664 Plumas Quincy, within a few meters of main street. 1065 Comment
  JEPS87768  Dicentra pauciflora Lowell Ahart 1994-6-12 7318 Plumas about 1.25 air mi s Bucks Lake (near Cedar Flat, on w side of Faggs Mine Road, sw of a small branch of Willow Creek) 1706 Comment
  CHSC48442  Dicentra uniflora Vernon Oswald 1985-6-9 1817 Plumas Pacific Crest Trail ca. 1000 ft w of Humboldt Rd. at Humboldt Summit. 1999 Comment
  CHSC57821  Dicentra uniflora Vernon H. Oswald 1992-5-5 4931 Plumas Lassen Volcanic National Park. Hot Springs Creek ca. 0.5 mi upstream from the park boundary, between Camp Kelley and Drakesbad. 1630 Comment
  RSA101444  Dicentra uniflora R. Weatherby 1955-6-21 1535 Plumas Meadow below Spanish Peak lookout 2134 Comment
  UCR102419  Dichanthelium acuminatum subsp. fasciculatum L. C. Wheeler 1959-7-16 7575 Plumas Northern Sierra Nevada Mtns, Butterfly Valley Comment
  CAS-BOT-BC502162  Dichelostemma congestum John Thomas Howell 1961-6-21 36617 Plumas Greenville; Sierra Nevada 1097 Comment
  CAS-BOT-BC502701  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray's Flat on Highway #24 868 Comment
  CAS-BOT-BC292273  Dieteria canescens John Thomas Howell 1977-8-11 52674 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  OBI16988  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line Comment
  CHSC21105  Diplacus layneae F. T. Griggs; A. Pass 1975-7-1 3 Plumas East of Grizzly Creek. Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC151821  Diplacus mephiticus Catherine Best 1979-6-14 s.n. Plumas Eureka Park, 1 mile east of river on main road - Sierra Nevada Comment
  CHSC53174  Diplacus mephiticus L. P. Janeway 1989-4-9 3276 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC70816  Diplacus mephiticus B. Castro 1995-7-3 580 Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 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
  CHSC87841  Diplacus pygmaeus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11050 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
  CHSC79582  Diplacus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas On N side of Hwy36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
Read comments
Mar 10 2006
  UC1134584  Disporum hookeri G. T. Nordstrom 1934-7-20 242 Plumas 1/2 mi nw of Edmanton (Plumas National Forest); Plumas National Forest 1493 Comment
  UC336520  Disporum hookeri unknown Plumas Indian Valley Comment
  RSA508618  Disporum hookeri var. hookeri Mrs. R. M. Austin 1888-9-7 s.n. Plumas Mill Creek Comment
  CHSC60554  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. North side of Big Grizzly Creek at northwest end of Lake Davis. Large grassy/sedgy meadow. 1764 Comment
  UCD23352  Dodecatheon hendersonii E. W. Jameson 1949-4-26 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  UCR178428  Dodecatheon hendersonii E. W. Jameson 1949-4-26 s.n. Plumas Northern Sierra Nevada Mtns., experiment station in Quincy Comment
  UC1075814  Dodecatheon hendersonii E. K. Balls and L. W. Lenz 1955-5-14 20708 Plumas 1.5 mi n Greenville (along road to Lake Almanor, Hwy 89); n of Greenville, rd to Lake Almanor 1127 Comment
  UC1408975  Downingia bacigalupii R. F. Thorne and C. W. Tilforth 1969-9-6 39246 Plumas 1 mi sw Beckwourth (along Feather River); Feather River 1356 Comment
  UC890636  Downingia bacigalupii Mrs. A. L. Coombs 1906-7 Plumas Prattville Comment
  UCD55037  Downingia bacigalupii Malcolm A. Nobs; S. Galen Smith 1949-8-18 1370 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  POM98580  Downingia bacigalupii F. W. Peirson 1926-6-21 6802 Plumas Lake Almanor. Comment
  RSA93301  Downingia bacigalupii D. D. Keck 1932-7-6 1716 Plumas Halfway between Prattville and Chester. 1341 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
  CHSC97387  Drosera X obovata Jenny Marr; Craig Carter 2006-5-29 238 Plumas Cascade Range High. Plants collected at the southe ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UC1586461  Drosera X obovata Vernon H. Oswald and Lowell Ahart 1991-7-30 4792 Plumas ca 6 air mi ene Humbug Summit (ca 12 air mi s of Chester, w side of valley, fenced enclosure at the springs); Humbug Valley, Big Springs 1310 Comment
  UCD99526  Drosera X obovata Barry Meyers-Rice 1999-8-7 MR 990802 Plumas at Willow Lake. Comment
  CHSC36317  Drosera rotundifolia M. S. Taylor; H. Swanson 1982-8-11 4975 Plumas Beaver trail at s end of Jamison Creek Campground, ... Field redacted by CHSC, contact the data manager for more information 1712 Comment
  UC108326  Drosera rotundifolia Mrs. R. M. Austin 1882-1 Plumas Comment
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Mar 23 2010
  UC567235  Drymocallis glandulosa var. glandulosa D. Axelrod 1934-6-8 14 Plumas La Porte Downieville Quad., La Porte 1524 Comment
  CAS-BOT-BC159311  Drymocallis lactea var. lactea Alice Eastwood 1918-5-25 6985 Plumas Portola Comment
  CHSC58529  Dulichium arundinaceum Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5037 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
  RSA246598  Dulichium arundinaceum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  UC1594586  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5037 Plumas just w of Lakes Basin Campground (5 air mi ssw of Graegle via Gold Lake Forest Hwy, County Road 519, Grass Lake); Grass Lake, County Road 519 1926 Comment
  CHSC40873  Dysphania ambrosioides K. R. Stern 1985-6-25 8220 Plumas Vicinity of Blairsden, e margin of highway 70. 1402 Comment
  CHSC81847  Echinochloa colona Lowell Ahart 2001-10-16 9385 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  RSA59254  Echinochloa muricata var. microstachya E. K. Balls 1950-8-31 15550 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  JEPS120773  Elatine Lowell Ahart 2013-9-11 19023 -A-L Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, about 15 air miles NE of Taylorsville. Comment
  SEINET5318845  Elatine rubella W. Harnach, N. Harnach 2000-8-2 970 Plumas Sierra Valley, 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC113704  Eleocharis acicularis Lowell Ahart 1980-10-6 2668 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  CHSC59833  Eleocharis bella L. P. Janeway 1992-9-10 4305 Plumas Plumas National Forest. Edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC113387  Eleocharis engelmannii var. detonsa Lewis Samuel Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 mi W of Keddie, boggy meadows. 1066 Comment
  CHSC97089  Eleocharis macrostachya Lowell Ahart; Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  NY51036  Eleocharis monticola M. E. P. Ames 1876-1 s.n. Plumas Comment
  JEPS95052  Eleocharis parishii Lowell Ahart 1997-9-11 7899 Plumas about 5 air mi ne of Belden (on w edge of Caribou Road, on w side of the North Fork of the Feather River, about 1/8 mi s of Mosquito Creek); North Fork Feather River, Caribou Road 792 Comment
  CAS-BOT-BC112053  Eleocharis quinqueflora John Thomas Howell 1960-7-19 35662 Plumas Drakesbad, moist soil near hot springs. 1828 Comment
  SEINET13710238  Eleocharis torticulmis Lowell William Ahart, Lowell William Ahart 2001-1 9277 Plumas S of The Darlingtonia Bog and E of The Dirt Road, N of The Jeep Road to The Pond, Butterfly Valley, 5 Air Mi. NW of Quincy (T25N, R9E, sec 20, SE 1/4) Comment
  JEPS436  Elodea canadensis Rebecca M. Austin Aug 1896 573 Plumas Big Meadows Comment
  SEINET10501559  Elodea canadensis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4977 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  CAS-BOT-BC227598  Elymus elymoides John Thomas Howell 1962-6-19 37883 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC227603  Elymus elymoides John Thomas Howell 1951-6-27 27564 Plumas Johnsville 1584 Comment
  CAS-BOT-BC227608  Elymus elymoides Clare B. Hardham 1978-8-11 21800 Plumas About 5 miles southeast of Thompson Peak Comment
  JEPS106234  Elymus elymoides subsp. californicus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11162 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  RSA71075  Elymus glaucus L. S. Rose 1951-6-27 51024 Plumas Johnsville. 1601 Comment
  RSA88140  Elymus glaucus J. T. Howell 1951-6-27 7568 Plumas Johnsville; Sierra Nevada 1585 Comment
  CAS-BOT-BC206800  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5427 Plumas 1 mile N of Quincy across Spanish Creek 1066 Comment
  HSC8767  Elymus intermedius L. S. Rose 1968-6-10 68088 Plumas Quincy Meadow 1037 Comment
  UCD62423  Elymus multisetus G. L. Stebbins Jr. 1939-7-6 2902 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC213821  Elymus repens John Thomas Howell 1976-7-15 51832 Plumas Quincy - Sierra Nevada 1051 Comment
  UCD62665  Elymus trachycaulus R. Tofsrud 1949-6-1 Plumas Vicinity of Quincy. Comment
  CAS-BOT-BC204249  Elymus trachycaulus subsp. subsecundus John Thomas Howell 1960-7-18 35607 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC53225  Elytrigia intermedia subsp. intermedia L. P. Janeway 1989-6-29 3415 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  UCD132879  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC165925  Epilobium John Thomas Howell; H. Keith Wagnon 1980-5-28 53711 Plumas North Fork Feather River Canyon 4 miles northeast of Pulga Bridge Comment
  SBBG119866  Epilobium brachycarpum L. Ahart, J. Dittes 2003-8-8 10481 Plumas W side of Beckwourth Calpine Rd, ca. 0.5 air mi SW of Beckwourth, Sierra Valley 1478 Comment
  CAS-BOT-BC494104  Epilobium campestre William Harnach 2000-8-2 962 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC171712  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC171721  Epilobium canum subsp. latifolium E. P. Chace 1934-1-1 6249 Plumas Near Camp Rodgers Comment
  CHSC107918  Epilobium canum subsp. latifolium L. P. Janeway 2011-9-11 10723 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. On and next to blocky talus slope along the sides of south-facing basalt outcrop. 1570 Comment
  UC874258  Epilobium canum subsp. latifolium Lewis S. Rose 1932-9-6 32630 Plumas meadow Wade Lake 1981 Comment
  RSA46328  Epilobium ciliatum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  CHSC110607  Epilobium ciliatum subsp. ciliatum B. Castro 2006-6-8 1551 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1668 Comment
  CHSC81623  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-10-8 9310 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  RSA0105544  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air), north of La Porte. 1533 Comment
  SBBG21925  Epilobium ciliatum subsp. ciliatum D. Myrick 1964-7-19 877 Plumas Dream Lake, Drakesbad 1828 Comment
  SD130488  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-16 51886 Plumas Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1096 Comment
  CDA13561  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, T. D. Wilfred 1996-7-22 13389 Plumas Sierra Nevada; Plumas Natl. Forest. Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  POM271566  Epilobium ciliatum subsp. glandulosum Lyman Benson 1932-7-29 3978 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC40248  Epilobium densiflorum K. R. Stern 1985-6-25 8251 Plumas Meadow, vic. Blairsden. 1371 Comment
  UC965552  Epilobium densiflorum Herbert L. Mason 1952-7-17 14380 Plumas along Western Pacific tracks just s Beckwourth; Sierra Valley 1524 Comment
  RSA515526  Epilobium foliosum J. T. Howell, H. Keith Wagnon 1980-5-28 53698 Plumas Sierra Nevada: Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River. 854 Comment
  CHSC80843  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-7-19 8943 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  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
  RSA516782  Epilobium glaberrimum subsp. glaberrimum Walter Knight, I. Knight, John Thomas Howell, Gordon True 1967-7-10 2159 Plumas Butterfly Valley Botanical Area, Beargrass glade 1128 Comment
  POM46380B  Epilobium hallianum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET12861783  Epilobium hallianum A. A. Heller 1907-7-9 8785 Plumas [Sierra Nevada] Prattville Comment
  CHSC115177  Epilobium minutum Lowell Ahart 2015-6-7 20224 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  JEPS115794  Epilobium minutum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15863 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  SEINET13710321  Epilobium pygmaeum Lowell William Ahart, Lowell William Ahart 2001-1 9229 Plumas Little Last Chance Creek, Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CHSC34298  Epipactis gigantea M. S. Taylor 1981-7-26 4110 Plumas N side of Caribou Rd, just e of where French Creek crosses, 4.4 mi ne of jct Caribou Rd and Hwy 70 near Beldon. 944 Comment
  CHSC62145  Epipactis gigantea L. P. Janeway 1993-6-30 4406 Plumas Plumas National Forest. Along Hwy 70 in canyon of East Branch North Fork Feather River, 3.8 mi southwest of Hwy 89. 868 Comment
  SEINET10839602  Epipactis gigantea Mary Susan Taylor 1982-8-4 Taylor 4918 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CAS-BOT-BC57009  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas Quincy quad., n edge of Spanish Creek, Gansner Park, Quincy 1036 Comment
  CHSC102048  Equisetum laevigatum Lowell Ahart; John Dittes 2009-7-27 16182 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC108037  Equisetum laevigatum L. P. Janeway; B. Castro 2011-10-2 10760 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. Only seen at one shaded area at the bottom edge of the soggy meadow. 1542 Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC174154  Eremogone aculeata John Thomas Howell 1951-6-28 27689 Plumas Eureka Peak 2133 Comment
  CHSC115722  Eremogone cliftonii K. Bovee 2014-5-15 53 Plumas Lassen National Forest, Almanor Ranger District, on northeast-facing slopes above Grizzly Creek, just downslope from Road 26N08. 1341 Comment
  SEINET10765289  Eremogone cliftonii John Thomas Howell 1967-6-23 Howell 42741 Plumas Near Rogers Flat bridge, North Fork Feather River. In gravel of disintegrating granite. 610 Comment
  CAS-BOT-BC174302  Eremogone congesta var. suffrutescens Lewis S. Rose 1967-7-12 67172 Plumas 1 mi. s. of Keddie, Butterfly Creek & Spanish Creek 883 Comment
  CDA17280  Eriastrum signatum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16307 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC286655  Ericameria bloomeri Anna Head 1921-8-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC286656  Ericameria bloomeri John Thomas Howell 1961-9-25 36962 Plumas Portola 1478 Comment
  CAS-BOT-BC286660  Ericameria bloomeri John Thomas Howell 1960-7-20 35781 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CHSC52726  Ericameria bloomeri L. P. Janeway 1990-8-29 3838 Plumas Plumas National Forest. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  RSA21573  Ericameria bloomeri C. B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  SJSU14220  Ericameria nauseosa var. oreophila N. A. Hopkins 1989-8-29 1592 Plumas near Dyson Lane ca. 6 miles north of Loyalton, Sierra Valley 1524 Comment
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Apr 14 2013
  CAS-BOT-BC299435  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1929-10-1 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC299436  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  UC297888  Ericameria nauseosa var. speciosa Milo S. Baker 1926-8-23 296 a-26 Plumas Lu's Camp Comment
  UCD131487  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-24 34962 Plumas Near Blairsden. 1341 Comment
  JEPS21533  Ericameria parryi var. nevadensis W. L. Jepson 1939-8-12 19384 a Plumas sw edge of Honey Lake (Lassen-Plumas Co. boundary); Diamond Mts., Black Mt. 1981 Comment
  JEPS75242  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34961 Plumas near Blairsden 1341 Comment
  JEPS75281  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34967 Plumas near Beckwourth; Sierra Valley 1478 Comment
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  CAS-BOT-BC297149  Erigeron concinnus var. concinnus Alice Eastwood 1927-6-27 14874 Plumas Near Chilcoot Comment
  SEINET10475344  Erigeron decumbens var. robustior Mary Susan Taylor 1982-7-8 Taylor 4801 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC295997  Erigeron divergens John Thomas Howell 1959-9-24 34931 Plumas Butterfly Creek near mouth, Sierra Nevada Comment
  JEPS41784  Erigeron divergens W. L. Jepson 1939-8-16 19431 Plumas Portola Comment
  UC54107  Erigeron divergens H. M. Hall and E. B. Babcock 1903-7-1 Plumas Red Clover Creek 1097 Comment
  CDA4931  Erigeron divergens T. C. Fuller 1968-7-1 17321 Plumas 1 block north of Highway 70, Beckwourth. 0 Comment
  RSA302614  Erigeron divergens J. R. Shevock 1972-5-19 1792 Plumas Near Greenville, Hwy. 89 915 Comment
  CAS-BOT-BC300365  Erigeron eatonii var. nevadincola W. Harnach; N. Harnach 1990-6-27 415 Plumas Sierra Valley. Ramelli Ranch (USFS), so of R/R 1499 Comment
  CAS-BOT-BC300366  Erigeron eatonii var. nevadincola W. Harnach; N. Harnach 1989-5-7 062 Plumas Sierra Valley. Newman Point 1524 Comment
  UC1730239  Erigeron eatonii var. nevadincola L. P. Janeway 1998-7-1 5705 Plumas 0.4 mi NW of Cottonwood Campground (50 ft W (downhill) of Road 25N11) 1767 Comment
  RSA523584  Erigeron eatonii var. plantagineus Barbara Ertter 1989-7-4 8686 Plumas Coyote Flat W of Lake Almanor, 4.2 mi W of jct of Hwy 89 and Hwy 36. 1524 Comment
  RSA523562  Erigeron eatonii var. sonnei Barbara Ertter 1989-7-3 8651 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CAS-BOT-BC300833  Erigeron glacialis var. glacialis J. D. Schoeller 1928-7-12 390 Plumas Plumas National Forest. 2 1/2 mi N. E. Gold Lake 2072 Comment
  CAS-BOT-BC300838  Erigeron glacialis var. glacialis Rimo Bacigalupi; Aldo Bacigalupi 1952-8-19 3950 Plumas Mt. Elwell region, about 1 1/2 mi. north of the Sierra County boundary 1981 Comment
  CAS-BOT-BC295220  Erigeron inornatus Marcus E. Jones 1897-6-25 s.n. Plumas Susanville 1341 Comment
  SDSU3938  Erigeron inornatus D. F. Howe 1960-9-21 2992 Plumas 6 miles north of Greenville on #89. 1219 Comment
  UCD147798  Erigeron inornatus Allyson Ayalon; Lucie Jerabkova 2012-8-1 151 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CHSC100862  Erigeron inornatus var. inornatus B. Castro; L. P. Janeway 2005-9-11 1522 Plumas Ca 5 air mi N of Bucks Lake and 2.5 mi S of Highway 70 and the Feather River Cyn, just N of Three Lakes. Ca 0.5 mi E of the Three Lakes trailhead, along the Pacific Crest Trail. Along trail just N of the Grassy Lakes. Few feet from S edge of trail. 1901 Comment
  CHSC53131  Erigeron inornatus var. inornatus L. P. Janeway 1990-7-13 3798 Plumas Plumas National Forest. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek. 1798 Comment
  UC1731907  Erigeron lassenianus var. deficiens Glenn Clifton 1992-6-27 26859 Plumas Monitor Flat, Feather River Watershed Monitor Flat; , Feather River Watershed 1926 Comment
  CAS-BOT-BC295464  Erigeron lassenianus var. deficiens Wayne Dakan 1974-6-24 s.n. Plumas Long Valley Comment
  CAS-BOT-BC295495  Erigeron lassenianus var. lassenianus D. E. Breedlove 1962-6-12 3441 Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC295496  Erigeron lassenianus var. lassenianus A. A. Heller 1940-5-22 15669 Plumas Along State Highway #89 in a treeless area 2 miles north of Almanor Comment
  JEPS55231  Erigeron lassenianus var. lassenianus Lewis S. Rose 1967-7-11 67160 Plumas 9.5 mi ne Quincy Junction 1249 Comment
  CHSC110374  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 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. 1940 Comment
  CHSC69701  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1997-9-18 8878 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi northest of its junction with 26N26 (to Humbug Valley). 1335 Comment
  JEPS119932  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas About 400 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
  RSA724903  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  UC1730240  Erigeron pumilus var. intermedius L. P. Janeway 1998-6-24 5675 Plumas NE of Jordan Flat (N side of Last Chance Creek; S side of Road 28N03 0.3 mi W of Road 101) 1780 Comment
  UC1776703  Erigeron pumilus var. intermedius G. Schoolcraft 2238 Plumas 1554 Comment
  RSA285640  Eriodictyon californicum D. C. Michener 1981-7-17 4018 Plumas Sierra Nevada. CA-70 ca. 1.5 miles north of Tobin. Comment
  UC1124274  Eriodictyon californicum E. Nourse 1934-9-7 36 Plumas 2 mi se Nelson Pt.; Plumas National Forest, Downieville Quad. Comment
  CAS-BOT-BC248773  Eriogonum baileyi var. baileyi John Thomas Howell 1955-7-19 30807 A Plumas Vinton 1508 Comment
  CAS-BOT-BC244048  Eriogonum baileyi var. praebens John Thomas Howell 1955-7-19 30806 Plumas Vinton, Sierra Nevada 1511 Comment
  CAS-BOT-BC435532  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of USFS Rds 28N01 and 28N70 on flat W of Highway, 11.9 air mi NNW of Beckwourth 1706 Comment
  CHSC34736  Eriogonum elatum var. elatum M. S. Taylor 1981-7-13 4004 Plumas Ramelli Ranch, e side, s of Feather River, ca. 2 mi ese of Beckwourth. 1463 Comment
  CHSC40852  Eriogonum elatum var. elatum K. R. Stern 1985-6-25 8225 Plumas Vicinity of Blairsden. 1432 Comment
  SEINET10479517  Eriogonum lobbii Mary Susan Taylor 1982-8-5 Taylor 4930 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  RSA766341  Eriogonum marifolium Joseph A. Ewan 1934-7-16 8523 Plumas Mt. Elwell trail above Long Lake. Sierra Nevada. 2073 Comment
  CAS-BOT-BC263303  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1967-7-11 43342 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC263308  Eriogonum marifolium var. marifolium L. P. Janeway 1989-6-12 3294 Plumas Beckwourth Ranger District, Plumas National Forest. Forest along south side of Red Clover Valley 1706 Comment
  CHSC53047  Eriogonum marifolium var. marifolium L. P. Janeway 1989-6-12 3291 Plumas Plumas National Forest Beckwourth Ranger District. Forest along south side of Red Clover Valley. 1706 Comment
  CHSC65380  Eriogonum nudum var. deductum Lowell Ahart 1995-9-13 7634 Plumas On the north-east side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  UC77677  Eriogonum nudum var. deductum D. Cleveland July 1882 Plumas Big Meadows Comment
  CHSC53049  Eriogonum nudum var. nudum L. P. Janeway 1989-7-6 3458 Plumas Plumas National Forest Beckwourth Ranger District. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 1.1 mi on rd 23N48. 1645 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
  CDA14662  Eriogonum nudum var. oblongifolium G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3101 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  UC917108  Eriogonum nudum var. oblongifolium K. L. Olsen 1949-7-31 25 -A Plumas 2 mi n, on road to Caribou Howells; Feather River Canyon Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  UCD100553  Eriogonum nudum var. oblongifolium Robbins; Raynor 1943-6-1 s.n. Plumas Near Quincy. Comment
  CAS-BOT-BC271973  Eriogonum nudum var. pubiflorum Thomas H. Kearney 1944-8-14 38 Plumas Near Prattville, Lake Almanor Comment
  CHSC21022  Eriogonum nudum var. pubiflorum F. T. Griggs; A. Pass 1975-7-10 137 Plumas Buck's Lake. Comment
  CHSC82564  Eriogonum spergulinum var. reddingianum Lowell Ahart 2002-7-18 9860 Plumas In a meadow, 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. 1764 Comment
  POM98575  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 s.n. Plumas South shore Lake almanor, Comment
  CHSC53053  Eriogonum strictum var. anserinum L. P. Janeway 1989-6-16 3329 Plumas Plumas National Forest Beckwourth Ranger District. NE-facing slopes of Crocker Mtn overlooking Red Clover Valley. 1828 Comment
  CAS-BOT-BC267491  Eriogonum umbellatum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley (E. side of valley) 1082 Comment
  CAS-BOT-BC267499  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-7-19 2905 Plumas California 89, north end of Spring Garden (town) 1219 Comment
  CDA22680  Eriogonum umbellatum var. ahartii Vernon H. Oswald & Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway west of Meadow Valley, 0.1 mile west of Silver Lake Road. Comment
  UC174723  Eriogonum umbellatum var. dumosum A. A. Heller with P. B. Kennedy 1907-7-15 8838 Plumas below Genessee (near mouth of Little Grizzly creek); Little Grizzly creek Comment
  CHSC104739  Eriogonum umbellatum var. modocense L. P. Janeway 2009-8-13 9925 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, 430 m south-southeast of the Buckhorn survey monument. 1909 Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC91916  Eriogonum umbellatum var. modocense Lowell Ahart; Josephine Guardino 2005-8-9 12288 Plumas North of Fant Creek, about 50 yards north of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CAS-BOT-BC262069  Eriogonum umbellatum var. nevadense John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54276 Plumas Mt. Hough 2203 Comment
  CAS-BOT-BC265165  Eriogonum umbellatum var. nevadense Lewis S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  CAS-BOT-BC265166  Eriogonum umbellatum var. nevadense Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CHSC34725  Eriogonum umbellatum var. nevadense M. S. Taylor 1981-6-3 3858 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 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
  JEPS56234  Eriogonum umbellatum var. polyanthum W. L. Jepson 1939-7-31 19291 Plumas thinly wooded slope w Meadow Valley; Buck's Valley 1524 Comment
  JEPS94855  Eriogonum umbellatum var. polyanthum Vernon H. Oswald and Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway w of Meadow Valley (0.1 mi w of Silver Lake Road); Oroville-Quincy Highway 1158 Comment
  LA207055  Eriogonum umbellatum var. polyanthum C. W. Hallis; 1928-6-30 sn Plumas Mount Lassin National Forest, From the inside of the crater of Cinder Cave, Drakesbad Comment
  CAS-BOT-BC262241  Eriogonum ursinum Alice Rosenberg 1917-7-1 s.n. Plumas Feather River Comment
  CAS-BOT-BC262269  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas 3 miles east of Quincy 1097 Comment
  CDA22672  Eriogonum ursinum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .289 Plumas Plumas Eureka State Park. S Johnsville Comment
  CAS-BOT-BC262249  Eriogonum ursinum James L. Reveal 1975-8-24 3974 Plumas Along the La Porte-Quincy Road, 17.5 miles south of Quincy and 0.3 mile south of the Chimney Rock Trail turnoff, about 1 airline mile west of Pilot Peak Comment
  CAS-BOT-BC262261  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam 1219 Comment
  UC1949283  Eriogonum ursinum Barbara Ertter with Gary Schoolcraft 1989-7-3 8639 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville Comment
  CHSC21190  Eriogonum ursinum var. ursinum F. T. Griggs; A. Pass 1975-7-11 154 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC43022  Eriogonum vimineum L. P. Janeway; C. A. Janeway 1986-7-22 1785 Plumas Base of rocky road cut in cyn of East Branch North Fork Feather River along hwy 70 3 mi east of confluence with North Fork Feather River. 472 Comment
  CHSC60548  Eriogonum vimineum L. P. Janeway 1992-7-8 4252 Plumas High gravel bar on north side of Middle Fork Feather River, just west of Bonta Creek and below the Mohawk Ranger Station. 1313 Comment
  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
  POM311111  Eriogonum vimineum H. L. Mason 1952-7-17 14379 Plumas Three mi. from Loyalton on roas to Beckwourth. Sierra Valley. 1524 Comment
  RSA59474  Eriogonum vimineum E. K. Balls 1950-9-16 15877 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  UC1586458  Eriophorum gracile Vernon H. Oswald and Lowell Ahart 1991-7-30 4794 Plumas ca. 6 mi. (air) e.-n.e. Humbug Summit (ca. 12 mi. (air) s. of Chester, Big Springs, w. side of Humbug Valley, bog within fenced enclosure at springs); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC308267  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 114 Plumas Nea rthe Feather River Forestry Exper. Sta., 4 mi. NW of Quincy Comment
  CHSC60524  Eriophyllum lanatum var. integrifolium L. P. Janeway; Jannice Cutler 1992-5-27 4206 Plumas Plumas National Forest. South side of Dotta Canyon 2.2 mi southeast of Beckwourth-Genesee Road. Between forest and meadow. 1706 Comment
  CHSC67427  Eriophyllum lanatum var. integrifolium James D. Jokerst; Lowell Ahart 1985-10-4 2587 Plumas Pilot Peak NE of La Porte. Comment
  RSA122461  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-14 104 Plumas 1 mile south of Sugar Loaf 1524 Comment
Read comments
Aug 26 2013
  POM83001  Eryngium alismifolium Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC54323  Erysimum capitatum Anna Head 1920-6-9 s.n. Plumas Feather River Region. Camp Badgers. 701 Comment
  CAS-BOT-BC54688  Erysimum capitatum var. capitatum John Thomas Howell; Keith Wagnon 1980-5-26 53583 Plumas Sierra Nevada. Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden. 609 Comment
  CHSC52516  Erysimum capitatum var. capitatum L. P. Janeway 1990-5-19 3721 Plumas Plumas National Forest. Small creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  CHSC89523  Erysimum capitatum var. capitatum G. Douglas Barbe; T. C. Fuller 1982-6-15 3726 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC55595  Erythranthe arvensis K. R. Stern 1985-6-25 8330 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC79831  Erythranthe breweri G. F. Hrusa; J. Dinsdale 1989-6-26 7205 Plumas Sierra Nevada Flora. On N side of Bucks Lake, approx. 25 m. W of Quincy. [Original lat./long. on label is '39 54 N; 121 10 W']. 1600 Comment
  SEINET14045706 Image available Erythranthe guttata Francis W. Pennell 1940-1 25813 Plumas Route 24 west of Mohawk R.S. 1463 Comment
  CHSC43485  Erythranthe primuloides Lowell Ahart 1974-8-7 598 Plumas In a small mountain meadow, east of the dirt road, near Ohio Ravine, about 1 1/2 miles north-east of the Headquartz Mine, about 2 1/4 miles south of Grizzly Mountain. 1524 Comment
  POM43959  Erythranthe pulsiferae Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico at Sutton House. 1220 Comment
  CAS-BOT-BC505243  Erythronium grandiflorum John Thomas Howell 1951-6-28 27684 Plumas Eureka Park 2133 Comment
  CHSC21603  Erythronium purpurascens L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Bucks Lake Floristic Survey. Comment
  RSA30124  Erythronium purpurascens J. T. Howell 1951-6-28 27684 Plumas Eureka Peak 1982 Comment
  UC119847  Erythronium purpurascens Mrs. R. M. Austin Apr. 1878 287 Plumas Big Meadows Comment
  CAS-BOT-BC505248  Erythronium purpurascens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1954 Plumas Fern Glen, Butterfly Botanical Area 1097 Comment
  SEINET10469555  Erythronium purpurascens Mary Susan Taylor 1981-5-8 Taylor 3655 A Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  UC1126406  Eschscholzia californica E. Sawyer 1935-6-10 88 Plumas 2 1/2 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  UC54477  Eschscholzia californica H. M. Hall and E. B. Babcock July, 1903 4430 Plumas Indian Valley Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC403347  Eschscholzia californica F. Sommers 1976-7-29 188 Plumas Sierra Valley along Marble Lane at West end 1487 Comment
  JEPS51730  Eschscholzia californica W. L. Jepson 1939-8-16 19427 Plumas Dixie Valley; w arm 1767 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
  SEINET10475034  Eupatorium occidentale Mary Susan Taylor 1981-8-4 Taylor 4153 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  UCR146409  Festuca arida Beecher Crampton 1954-5-11 1875 Plumas Northern Sierra Nevada Mountains, 4 miles east of Beckwourth, [The Buttes] along Hwy. 24 1494 Comment
  CAS-BOT-BC278465  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC278466  Festuca idahoensis John Thomas Howell 1962-6-18 37758 Plumas Sierra Valley near Beckwourth 1487 Comment
  JEPS115944  Festuca idahoensis Lowell Ahart, John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west 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
  CHSC118785  Festuca myuros Chelsea Morgan; Wendy L. Boes 2015-5-19 2015 -002 Plumas Plumas National Forest. Southeast of Baker Gulch; between Forest Service road 26N23 and 26N14 (UTM 661206 E, 4441753 N, NAD83 Zone 10N). 1340 Comment
  CAS-BOT-BC278857  Festuca occidentalis Mary S. Clemens 1920-6-22 18 Plumas Quincy Comment
  CHSC102433  Festuca rubra L. P. Janeway; B. Castro 2009-7-12 9854 Plumas Northern High Sierra Nevada. Lower Thompson Valley 2.1 km north of Red Clover Creek. 1678 Comment
  CHSC76157  Festuca rubra G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13264 Plumas Sierra Nevada-Plumas National Forest. In vicinity of headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2050 Comment
  RSA300180  Festuca rubra J. T. Howell, Gordon H. True 1969-6-23 45841 Plumas Quincy. 1037 Comment
  CAS-BOT-BC282569  Festuca viridula John Thomas Howell 1951-6-28 27702 Plumas Eureka Peak 2255 Comment
  CHSC25473  Floerkea proserpinacoides L. Ahart 1977-6-20 151 Plumas Meadow, 6 mi n of La Porte. 1800 Comment
  CAS-BOT-BC459441  Fragaria virginiana subsp. platypetala A. A. Heller; B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CAS-BOT-BC55668  Frangula purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC21513  Frangula purshiana D. Brink; L. Mayer 1975-7-9 Plumas Buck's Lake. Comment
  CHSC46512  Frangula purshiana Lowell Ahart 1975-7-2 843 Plumas Growing on moist to dry soil along the edge of a small stream, about 8 miles north of the Sly Creek Dam. 1219 Comment
  RSA726869  Frangula purshiana L. P. Janeway 2007-6-3 9031 Plumas Northern High Sierra Nevada. Soapstone Hill, ridgetop along north side of Oroville-Quincy Hwy 0.4 mi east of Frog Rock 1646 Comment
  RSA726870  Frangula purshiana L. P. Janeway 2007-8-12 9159 Plumas Northern High Sierra Nevada. Soapstone Hill, ridgetop along north side of Oroville-Quincy Hwy 0.4 mi east of Frog Rock. Comment
  CHSC97801  Frangula purshiana subsp. ultramafica L. P. Janeway; Chris Christofferson, Erin Brandy 2007-10-3 9215 Plumas Northern High Sierra Nevada. Top of Red Hill. 1929 Comment
  SJSU4636  Frangula rubra C. W. Sharsmith 1969-6-21 7605 Plumas Jamison Cr c. 1.5 mi S of Johnsville 1645 Comment
  SEINET10493570  Frangula rubra Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3819 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  SBBG33895  Frangula rubra subsp. obtusissima L. S. Rose 1969-6-23 Plumas 10 mi SW of Quincy, La Porte Rd 1249 Comment
  CAS-BOT-BC53799  Frangula rubra subsp. rubra Alice Eastwood 1927-6-27 s.n. Plumas On road from Chilcatt Comment
  SD6484  Fritillaria atropurpurea Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  CAS-BOT-BC505268  Fritillaria atropurpurea Mary Strong Clemens 1920-1-1 s. n. Plumas Greenville Comment
  UC429297  Fritillaria atropurpurea H. M. Hall 1912-7-7 9306 Plumas Sierra Nevada Mountains, Jameson Creek Jameson Creek; Sierra Nevada Mountains, Jameson Creek 1920 Comment
  CAS-BOT-BC506201  Fritillaria micrantha L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  RSA247170  Fritillaria recurva Gary D. Wallace, Larry E. DeBuhr 1972-5-21 1059 Plumas Ca. 1.5 miles east of junction of Highways 89 and 70 north of Graeagle Comment
  JEPS87751  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas about 1 mi (air) w Little Grass Valley Reservoir (w side of logging road near intersection of Lumpkin Ridge Rd and road to Tamarack Flat); w of Little Grass Valley Reservoir 1767 Comment
  CDA14666  Galium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3106 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC40862  Galium bolanderi K. R. Stern 1985-6-25 8246 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC76143  Galium bolanderi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3106 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC75754  Galium grayanum var. grayanum Lowell Ahart; Vernon H. Oswald 1999-7-15 8093 Plumas About 50 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  RSA165564  Galium grayanum var. grayanum Clare B. Hardham 1961-6-16 7439 Plumas Diamond Peak. 2256 Comment
  POM312366  Galium trifidum Malcolm A. Nobs, S. Galen Smith 1949-8-18 1392 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  RSA101428  Galium triflorum R. Weatherby 1955-8-6 1677 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  CAS-BOT-BC144395  Garrya fremontii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1837 Plumas Butterfly Canyon, Butterfly Botanical Area and vicinity. 1066 Comment
  CDA18567  Garrya fremontii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3341 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CHSC21337  Garrya fremontii F. T. Griggs; A. Pass 1975-8-8 134 Plumas Buck's Lake Forest Service Survey Comment
  SEINET3451979  Garrya fremontii G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-26 3341 Plumas Bucks Summit, Bucks Summit, 0.75 miles northeast on Buck's Lake Road, at spring and seep area 1600 Comment
  SEINET10906888  Garrya fremontii Mary Susan Taylor 1982-5-15 Taylor 4453 Plumas T21N R12E ne/sw sec 32. Sierra City NW quad. Along Gray Eagle Lodge Rd, just sw of its jct with Hwy 519, ca. 7 mi s of Mohawk. 5700 ft. 1737 Comment
  CHSC91610  Gayophytum diffusum subsp. parviflorum G. F. Hrusa; B. Smith, T. D. Wilfred 1996-8-11 13496 Plumas Northern California. Sierra Nevada. On spine of uppermost ridge. Slopes to E of upper Bull Run Creek off USFS 23N12E. [Lat./long. on label is '39 54 N; 120 38 W']. 2250 Comment
  POM38699A  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  POM249896  Gayophytum diffusum subsp. parviflorum Joseph A. Ewan 1934-7-18 8576 -a Plumas Camp Caldwell at Dentens, Mohawk Valley 1616 Comment
  CHSC113876  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC92179  Gayophytum heterozygum Lowell Ahart; John Dittes 2005-9-19 12408 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1986 Comment
  CHSC43402  Gayophytum humile Lowell Ahart 1974-8-15 606 Plumas Along the dirt road near White Cap, about 10 miles south of Slote. 1676 Comment
  CHSC65344  Gayophytum humile Lowell Ahart 1995-10-1 7648 Plumas On the bottom of the pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CHSC53204  Gayophytum racemosum L. P. Janeway 1989-6-14 3308 Plumas Plumas National Forest. Forest along s'ly side of Red Clover Valley. 1699 Comment
  SBBG121285  Gayophytum racemosum L. Ahart, J. Dittes 2007-6-16 14088 Plumas S side of County Rd 111 (Beckwourth Genesee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  CDA13985  Gentiana calycosa G. F. Hrusa 1996-8-2 13428 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Comment
  RSA101421  Gentiana calycosa R. Weatherby 1955-8-16 1685 Plumas Spring at Fales Hill Mine. 1524 Comment
  UC1586468  Gentiana newberryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4782 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley) (Humbug Rd at Grizzly Creek); Grizzly Creek 1777 Comment
  JEPS102830  Gentiana newberryi var. tiogana Lowell Ahart 2001-10-16 9390 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) NW of Quincy. 1112 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
  SEINET6702722  Geum macrophyllum var. perincisum A. A. Heller, P. B. Kennedy 1907-7-9 8787 Plumas Prattville Comment
  CHSC89549  Geum triflorum G. D. Barbe; T. C. Fuller 1982-6-17 3840 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
  JEPS102740  Gilia capillaris Lowell Ahart 2001-7-17 8933 Plumas On the west side of a branch of Butt Creek, on the north side of the dirt road, a little west of Ruffa Ranch, about 1 mile (air) north of Eagle Rocks, about 2 miles (air) NE of Humboldt Summit. 1706 Comment
  JEPS107709  Gilia capillaris Lowell Ahart, John Dittes 2005-9-19 12402 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
  JEPS110432  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1661 Comment
  SEINET10908995  Glyceria elata Lawrence P. Janeway 1991-8-4 Janeway 4123 Plumas Grizzly Valley quad T24N, R13E, extreme SE corner of sec. 6. Meadow along Road 111 (Beckwourth-Genesse Road) 1.1 mi west of road to Bagley Pass; 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. Damp parts of the meadow; in forest of white fir and Jeffrey pine. 1692 Comment
  CDA14041  Gnaphalium canescens subsp. thermale G. F. Hrusa, T. D. Wilfred 1996-8-1 13413 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas NF. 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
  CHSC33926  Gnaphalium palustre M. S. Taylor 1981-8-5 4162 Plumas At end of rd 28N05 where it is washed out by Pierce Creek, 2.1 mi n of 28N03-Fruit Growers Blvd, ca. 3 air mi w of Antelope Lake, ca. 13 air mi ne of Taylorsville. 1706 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
  JEPS107732  Gratiola ebracteata Lowell Ahart, John Dittes 2005-9-19 12392 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  CAS-BOT-BC304925  Grindelia hirsutula John Thomas Howell 1961-9-23 36832 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC304926  Grindelia hirsutula Frank J. Kirby 1958-7-1 1178 Plumas Near Greenville 914 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  SJSU14311  Grindelia squarrosa var. serrulata N. A. Hopkins 1989-8-29 1593 Plumas by Frenchmans L Rd c. 1 mi N of Chilcoot Comment
  CHSC72303  Hackelia amethystina L. P. Janeway; Glenn Clifton 1998-7-8 5720 Plumas About 1.5 mi northeast of Indicator Peak; along Road 28N08 0.25 mi southwest of Road 29N03. 1944 Comment
  JEPS115790  Hackelia californica Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15906 Plumas About 100 yards west of Lake Almanor Dam 1421 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
  UC1560384  Hackelia nervosa E. Joyal and D. Mehlman 1988-7-3 1306 Plumas 11 mi n of Quincy; Plumas National Forest, Mount Hough 2000 Comment
  SEINET10475253  Haplopappus hirtus subsp. lanulosus Mary Susan Taylor 1981-7-7 Taylor 3989 Plumas T25N R14E ne/sw sec 27. Crocker Mt quad. In Sagebrush Scrub on dry, sandy soil, on NE side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi N of Beckwourth. 5600 ft elev. 1707 Comment
  CHSC73933  Hazardia whitneyi B. Castro; L. P. Janeway 1998-8-29 828 Plumas Ca 2 air mi N of Little Grass Valley Reservoir, beside Pacific Crest Trail 0.4 mi N of Fowler Lake, at its jcn with other trail into the lake. 1670 Comment
  CAS-BOT-BC307518  Hazardia whitneyi var. whitneyi John Thomas Howell 1926-7-27 2147 Plumas Near Prattville 1676 Comment
  CHSC99971  Hazardia whitneyi var. whitneyi Lowell Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  RSA768851  Hazardia whitneyi var. whitneyi L. Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  CHSC33888  Helenium bigelovii M. S. Taylor 1981-7-21 4087 Plumas Along creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  SEINET10756767  Helianthella californica subsp. nevadensis Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1085 Plumas Collected 2.2 mi. from jct. of Hwy. 89 and 70. Comment
  CHSC54518  Helianthella californica var. nevadensis Vernon H. Oswald 1991-8-8 4813 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. Bordering the east side of a meadow located here. 1670 Comment
  CHSC66614  Helianthella californica var. nevadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8027 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  RSA59695  Helianthella californica var. nevadensis E. K. Balls 1950-9-9 15762 Plumas 1.5 miles along trail from Lakes Center Public Campground to Long Lake outlet. 2073 Comment
  SDSU2669  Helianthella californica var. nevadensis D. F. Howe 1964-7-29 3894 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  SD9156  Helianthus annuus Daniel Cleveland 1882-7-25 Plumas Austin's, Big Meadows Comment
  RSA59753  Helianthus bolanderi E. K. Balls 1950-9-15 15800 Plumas 2 miles east of S tip of Lake Almanor, between Greenvillle and Lake Alamnor, Hwy 89 1402 Comment
  CAS-BOT-BC313430  Hemizonella minima Frank W. Peirson 1926-6-21 6787 Plumas Lake Almanor Comment
  CDA6574  Hemizonia congesta subsp. clevelandii J. T. Howell 1961-9-23 36825 Plumas Sierra Nevada; Indian Valley. East of Crescent Mills on Stampfli Lane Comment
  CAS-BOT-BC55291  Hesperis matronalis T. C. Fuller 1963-6-13 10669 Plumas North of hotel in Quincy. Comment
  JEPS21101  Hesperochiron californicus E. Sawyer 1935-5-21 18 Plumas 2 mi. e. Beckwith Butte; Sierraville Quad. Comment
  RSA114443  Hesperochiron pumilus E. K. Balls, Lee W. Lenz 1955-5-14 20718 Plumas 8.6 mi N of Canyon dam, on road from Greenville to Lake Almanor. 1402 Comment
  CHSC111718  Hesperolinon micranthum Lowell Ahart 2012-7-1 18260 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  UC170917  Hesperolinon micranthum H. M. Hall 1912-7-20 9362 Plumas s slope above river Middle Fork of the Feather River 1340 Comment
  JEPS110545  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 o 1281 Comment
  RSA0035830  Heterocodon rariflorum Lowell A. Ahart 2008-8-14 15209 Plumas 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 Reservoir. 1600 Comment
  CAS-BOT-BC143608  Heteromeles arbutifolia Edward Pittman 1965-10-16 206 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  JEPS113322  Heterotheca grandiflora L. P. Janeway 2006-10-1 8898 Plumas Northern High Sierra Nevada. Along Hwy 70 0.6 road km southwest of former Injun Jim Campground, and above North Fork Feather River. Comment
  RSA739602  Heterotheca villosa var. hispida John Dittes, Josephine Guardino 2003-8-8 2003 -80 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 3.9 air-miles southeast of Beckwourth, 9.8 air-miles northeast of Calpine, ca. 0.8 mile south of Western Pacific Railroad, at disturbed edge of Dyson Lane. 1489 Comment
  UC1523768  Heterotheca villosa var. minor Gary Schoolcraft 1981-6-17 469 Plumas sw of Portola 1481 Comment
  CAS-BOT-BC424168  Heuchera micrantha var. erubescens Walter Knight; Irja Knight 1966-9-12 1750 Plumas Mouth of Butterfly Creek Comment
  CAS-BOT-BC425154  Heuchera rubescens John Thomas Howell; Gordon H. True 1967-7-11 43352 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC67386  Heuchera rubescens var. glandulosa J. D. Jokerst 1984-6-13 2054 Plumas Few large clumps against face of bedrock outcrop that is part of a spur ridge ca 100 meters below the top of the extremely steep drop in Yellow Creek Canyon. North of USFS rd 26n26 where it crosses over ridge line saddle at S edge of Sect. 1463 Comment
  UC420444  Heuchera rubescens var. glandulosa H. M. Hall 1912-7-12 9393 Plumas Long Lake; Sierra Nevada Mountains 2072 Comment
  SEINET1915173 Image available Heuchera rubescens var. versicolor J. A. Ewan 1934-6-26 8293 Plumas Frazier Creek Falls, Gold Lake Road 1829 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
  CAS-BOT-BC319620  Hieracium albiflorum John Thomas Howell 1960-7-19 35709 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC79683  Hieracium greenei G. F. Hrusa; T. D. Wilfred 1996-7-22 13386 Plumas Northern California, Sierra Nevada. Plumas National Forest. Above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. 1590 Comment
  CDA18468  Hieracium scouleri G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3198 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CAS-BOT-BC316036  Hieracium scouleri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54211 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada 1584 Comment
  CDA13928  Hieracium scouleri var. nudicaule G. F. Hrusa, T. D. Wilfred 1997-5-3 13853 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
  CHSC110598  Hippuris vulgaris B. Castro; L. Janeway 2006-6-14 1566 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
  CDA13970  Holcus lanatus G. F. Hrusa 1996-8-2 13433 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny, wet, springline; trib. of Squirrel Creek. Perennial in formerly disturbed area adjacent to old logging road. Comment
  SD149107  Holodiscus discolor Lowell Ahart 1986-7-8 5357 Plumas Open bare serpentine area, ca. 1 mi. NW of Pilot Peak, ca 14 mi. NE of La Porte. 1951 Comment
  CAS-BOT-BC284647  Hordeum brachyantherum subsp. brachyantherum Mary S. Clemens 1920-6-22 s.n. Plumas Quincy 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
  CAS-BOT-BC285109  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1967-5-22 2002 Plumas Butterfly Botanical Area and vicinity 1097 Comment
  CAS-BOT-BC273494  Hordeum vulgare John Thomas Howell 1961-6-21 36680 Plumas Greenville 1097 Comment
  CAS-BOT-BC532306  Horkelia fusca Mary E. Wall 1939-6-25 s.n. Plumas Brunch Creek ranger staion. Comment
  RSA88555  Horkelia fusca subsp. parviflora J. T. Howell 1951-6-27 27594 Plumas McRae Meadow. 1982 Comment
  CHSC24273  Horkelia fusca subsp. tenella K. R. Stern 1975-7-23 Plumas N end of Lake Almanor. Comment
  POM98576  Horkelia fusca subsp. tenella F. W. Peirson 1926-6-21 6794 Plumas Lake almanor, along N shore of Lake Comment
  CAS-BOT-BC537870  Horkelia fusca var. parviflora Anna Head 1921-7-17 s. n. Plumas Feather River Region: Gray Eagle Meadows 1828 Comment
  CAS-BOT-BC537901  Horkelia fusca var. parviflora Mrs. H. M. Mitchell 1932-7-1 s. n. Plumas Bucks Lake Comment
  UC963884  Horkelia tridentata subsp. flavescens Milo S. Baker 1952-5-24 12437 Plumas s dam (Hwy 89); Lake Almanor Comment
  UC545674  Horkelia tridentata subsp. tridentata Milo S. Baker 1935-6-26 8093 Plumas near Cabin (on Hwy 39); Child's Meadow Comment
  CAS-BOT-BC538237  Horkelia tridentata var. flavescens Alice Eastwood 1927-6-15 14605 Plumas United States Forest Reserve, Long Valley trail Comment
  CHSC102582  Hosackia oblongifolia var. oblongifolia L. P. Janeway; B. Castro 2009-7-4 9846 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  RSA0119038  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 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. 1534 Comment
  CHSC70260  Hosackia stipularis var. ottleyi B. Castro; R. Fallscheer 1989-7-31 331 Plumas Ca 3 air mi S of Bucks Lake, ca 1 mi E of China Gulch and 0.7 mi S of Ontop Mine, in compacted dry soil along W edge of USFS Rd 23N60 on generally SE-faing slope. 1645 Comment
  JEPS3241  Hydrophyllum capitatum var. alpinum John Warren Duffield 1937-5-29 Plumas below U.C. Summer Forestry School (Schneider Creek); Schneider Creek Comment
  RSA39748  Hydrophyllum capitatum var. alpinum P. A. Munz 1947-5-17 11843 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  JEPS103215  Hydrophyllum occidentale G. Schoolcraft 1989-7-3 1944 Plumas Diamond Mtns. between Diamond and Red Rock peaks 2194 Comment
  CAS-BOT-BC312845  Hymenoxys lemmonii Alice Eastwood 1927-6-27 14898 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  CAS-BOT-BC400942  Hypericum anagalloides Rimo Bacigalupi 1927-7-10 1683 Plumas Slopes of Mt Elwell above Long Lake 2133 Comment
  SBBG4766  Hypericum formosum var. scouleri H. and M. Dearing 1938-7-2 2249 Plumas near Lake Almanor Comment
  NY541338  Hypericum scouleri Mrs. Ames 1876-1 s.n. Plumas Comment
  UCD147791  Hypericum scouleri Allyson Ayalon; Lucie Jerabkova 2012-8-1 144 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  UC1123689  Ipomopsis aggregata D. Axelrod 1934-6-12 39 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. 1737 Comment
  CHSC44316  Ipomopsis aggregata subsp. formosissima Lowell Ahart 1974-7-30 565 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  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
  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
  CAS-BOT-BC123366  Iris pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge near Greenville Comment
  RSA135921  Iris tenuissima Lee W. Lenz 1954-5-8 19137 Plumas 5 miles from Caribou, on road to Lake Almanor 1067 Comment
  CHSC36870  Iva axillaris M. S. Taylor 1982-9-13 5136 Plumas Ramelli Ranch, in vicinity of Calpine Rd (109) bridge, s of Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC137406  Ivesia aperta David D. Keck; A. Gustafsson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  CAS-BOT-BC205653  Ivesia aperta James R. Shevock 1985-7-6 11315 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49, 0.2 mile north of Plumas-Sierra County line and about 2.5 miles north of Loyalton 1600 Comment
  RSA530030  Ivesia baileyi var. baileyi D. W. Taylor, Glenn Clifton 1990-6-25 11172 Plumas Little Last Chance Creek, downstream 0.6 mile form Frenchman Flat Reservoir Comment
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  UC2062456  Ivesia baileyi var. baileyi Barbara Ertter 1987-7-24 7306 Plumas Last Chance Creek Canyon ca 6.5 mi N of Chilcoot on Route 284 to Frencheman Lake. Comment
  JEPS44336  Ivesia sericoleuca W. L. Jepson 1918-8-17 8034 Plumas Sierra Valley 1524 Comment
  CHSC53072  Juncus balticus L. P. Janeway 1989-6-30 3434 Plumas Plumas National Forest. Narrow meadow along Crocker Cr ca 0.6 mi N of Crocker Meadow and Crocker Guard Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  SEINET6331938  Juncus balticus W. Harnach 1991-6-17 550 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  CHSC116383  Juncus balticus Sara M. Taylor; Scott Batiuk 2012-8-13 64 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  UC1100934  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  JEPS113756  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2007-6-16 14104 Plumas Gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  RSA52925  Juncus bufonius var. bufonius R. Weatherby 1950-7-28 1489 Plumas North edge of Taylorsville. 1098 Comment
  JEPS102506  Juncus confusus Lowell Ahart 2001-7-17 8901 Plumas In the middle 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
  JEPS114931  Juncus covillei Lowell Ahart 2008-7-9 15059 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast 1645 Comment
  CHSC56896  Juncus ensifolius L. P. Janeway 1991-8-4 4122 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass; 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  CHSC65856  Juncus ensifolius L. P. Janeway 1995-10-25 4951 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  JEPS120758  Juncus ensifolius Lowell Ahart 2013-8-23 19019 Plumas East of Bird Creek, about 1/2 air mile west of Monitor Flat, about 3 air miles northwest of Pilot Peak, about 9 air miles northeast of La Porte. Comment
  JEPS122290  Juncus ensifolius Lowell Ahart 2014-8-24 19735 Plumas About one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  SEINET13710065  Juncus ensifolius Lowell William Ahart, Lowell William Ahart 2001-1 9193 Plumas Lake Almanor, about 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CHSC82454  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9816 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CHSC100377  Juncus howellii Lowell Ahart 2008-9-10 15367 Plumas On the west bank 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
  CHSC100386  Juncus howellii Lowell Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC91686  Juncus howellii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16273 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: inside forest above the upper bog. 1158 Comment
  RSA0035816  Juncus howellii Lowell A. Ahart 2008-8-14 15216 Plumas South of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte. 1725 Comment
  JEPS115976  Juncus laccatus Lowell Ahart, John Dittes 2009-7-13 16035 Plumas On dry to damp soil, edge of a 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
  JEPS114940  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 41/2 miles (air) north of La Porte 1597 Comment
  RSA59696  Juncus macrophyllus E. K. Balls 1950-9-9 15765 Plumas 1.2 miles along trail from Lakes Center Public Campground to Long Lake outlet. 2043 Comment
  CHSC110620  Juncus nevadensis B. Castro; L. Janeway 2006-9-9 1614 Plumas High Cascade Range. West shore of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek), off W end of USFS Rd 29N02Y. 1981 Comment
  CHSC47568  Juncus nevadensis Lowell Ahart 1981-7-21 2964 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of the Quincy La Porte Road, about 1 1/4 miles north of Pilot Peak. 1828 Comment
  UC1100987  Juncus nevadensis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1377 Plumas just s Chester (at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC92120  Juncus occidentalis Lowell Ahart; John Dittes 2005-9-20 12450 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2004 Comment
  JEPS107935  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-19 12399 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CHSC100420  Juncus orthophyllus Lowell Ahart 2008-9-10 15383 Plumas On the north side of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  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
  CHSC52561  Juncus orthophyllus L. P. Janeway 1989-6-28 3409 Plumas Plumas National Forest. SW-facing slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. 1722 Comment
  CHSC73508  Juncus orthophyllus H. Durio 1995-8-17 Plumas Mosquito Flat Mdw. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. In main meadow. 1676 Comment
  UCR123673  Juncus orthophyllus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6883 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CHSC21723  Juncus parryi F. T. Griggs; A. Pass 1975-7-23 251 Plumas Cape Lake. Comment
  CHSC100341  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
  CHSC102673  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -D Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113840  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, high west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  JEPS115880  Juncus tenuis Lowell Ahart, John Dittes 2009-7-13 16034 Plumas On dry to damp soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS122237  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, on the west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CHSC60065  Juniperus communis B. Castro; J. Jurewiez 1991-8-12 445 Plumas Ca. 3.5 air mi S of Bucks Lake and 0.1mi SE of Grizzly Mtn (=Red Mtn), along USFS Rd 23N69 ca 0.5 mi W of its jcn with USFS Rd 23N18. 1911 Comment
  CHSC63953  Juniperus communis B. Castro; G. Kuenster 1994-6-30 518 Plumas Ca. 0.1 mi SE of Grizzly Mtn (=Red Mtn on some Maps), along either side of USFS Rd 23N69. 1911 Comment
  SFV10463  Keckiella breviflora subsp. glabrisepala M. L. Vincent 1968-6-10 860 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CHSC22341  Keckiella breviflora var. glabrisepala Robert A. Schlising 1964-6-12 2727 Plumas 9.5 mi south of Injun Jim Camp (near Tobin) along Alt. Hwy 40 and Feather River. Comment
  CHSC36319  Keckiella lemmonii M. S. Taylor 1982-8-10 4953 Plumas Along spur rd off Seneca Rd (306), ca. 2 air mi se of Canyon Dam. 1554 Comment
  CHSC42035  Keckiella lemmonii Lowell Ahart 1986-7-25 5375 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  JEPS17617  Keckiella lemmonii Rimo Bacigalupi with G. Thomas Robbins 1955-7-22 5436 Plumas Tobin; Feather River Canyon 548 Comment
  RSA293275  Keckiella lemmonii D. C. Michener 1980-8-5 3788 Plumas Northern Sierra Nevada. Along the North Fork of the Feather River 3.4 miles south of jct of CA 70 with CA 89. 900 Comment
  UCR3599  Keckiella lemmonii Wm. Horn Jr. 1963-8-4 630804- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, edge of Schnieder Creek Road, 1 mi south of Meadow Valley Creek 1250 Comment
  CHSC10689  Kelloggia galioides Lowell Ahart 1968-6-10 Plumas Near La Porte. 914 Comment
  HSC95413  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas E side of the dirt road, 50 yds. SE of the Pacific Crest Trail, on Bunker Hill Ridge, 1 (air) mi. SE of Pilot Peak, 9 (air) mi. NE of La Porte 2039 Comment
  UC625521  Kelloggia galioides Frank W. Gould 1938-6-26 443 Plumas 5 mi n Blairsden 1371 Comment
  CAS-BOT-BC273602  Koeleria pyramidata John Thomas Howell 1962-6-18 37779 Plumas Sierra Valley, near Beckwourth 1487 Comment
  CAS-BOT-BC340354  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CAS-BOT-BC341569  Lagophylla ramosissima John Thomas Howell 1959-9-24 34907 Plumas Crescent Mills 1066 Comment
  CDA14739  Lagophylla ramosissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3281 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC205066  Lathyrus sulphureus Gladys L. Smith 1976-6-7 4558 Plumas Rte. 70, Spring Garden Sta. 6 miles east of Quincy 1219 Comment
  CHSC35925  Layia glandulosa M. S. Taylor 1982-5-19 4481 Plumas Ridge, ca. 1.5 mi e of Portola. 1706 Comment
  CHSC69708  Leersia oryzoides Vernon Oswald; Lowell Ahart 1997-9-18 8872 Plumas Forest Rd. 26N26 (to Humbug Valley) 3.6 mi west of its junction with Caribou Rd. 938 Comment
  RSA52922  Lemna minor R. Weatherby 1950-7-28 1486 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CHSC87864  Lemna trisulca Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
  SBBG119742  Lemna trisulca L. Ahart with J. Dittes, J. Guardino, R. Schlising, S. Chamberlain 2004-6-14 11067 Plumas S side of Forest Rd 24N10, ca. 0.25 mi W of Cow Crk, W of Lake Davis, ca. 9.25 mi NE of Sloat 1796 Comment
  CHSC20810  Lepidium campestre K. R. Stern 1975-7-24 5847 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC518  Lepidium campestre E. Wager 1937-5-15 Plumas Near Quincy. 365 Comment
  CHSC87624  Lepidium campestre Lowell Ahart; Josephine Guardino 2004-5-24 10949 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
  CAS-BOT-BC88868  Lepidium chalepense W. Harnach; N. Harnach 1989-5-22 115 Plumas Sierra Valley. East side of Co. road A-23 in road ditch. 1490 Comment
  CAS-BOT-BC60091  Lepidium virginicum var. menziesii John Thomas Howell 1955-7-19 30788 Plumas Sierra Nevada. Vinton. 1505 Comment
  CDA32016  Lepidium virginicum var. pubescens L. Ahart, J. Dittes, J. Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CHSC84514  Lepidium virginicum var. pubescens John Dittes; Lowell Ahart 2003-8-8 2003 -94 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23), at edge of Dyson Lane. 1487 Comment
  SEINET12326754  Leptodactylon pungens M. S. Taylor 1982-1 4765 Plumas Ramelli Ranch, between Calpine Rd abd cow pastures, S side of Hwy 70, ca 1 mi W of Beckwourth 1487 Comment
  UCD118767  Leptosiphon harknessii John Thomas Howell 1960-7-18 35556 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC36867  Leucanthemum vulgare M. S. Taylor 1982-6-24 4753 Plumas Roadbank, n side of ridge at entrance to Gansner Park from Hwy 70, Quincy. 1066 Comment
  UC725522  Leucocrinum montanum A. A. Heller 1942-5-8 16468 Plumas w of Vinton 1524 Comment
  CAS-BOT-BC59603  Leucothoe davisiae Robert J. Weatherby 1950-8-11 1523 Plumas Mt. Elwell, Lakes Basin Area. 2225 Comment
  CHSC82355  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  SEINET10907246  Leucothoe davisiae Mary Susan Taylor 1974-7-3 Taylor 293 A Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CAS-BOT-BC233778  Lewisia cantelovii George B. Youngs 1943-6-3 s.n. Plumas North Fork of the Feather River about 2 1/2 miles up the river from highway to Belden 914 Comment
  CHSC107274  Lewisia kelloggii subsp. hutchisonii L. P. Janeway 2011-7-6 10495 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
  SEINET5336485  Lewisia nevadensis M. J. Williams 1965-6-24 s.n. Plumas Happy Valley above Long Valley near Cromberg. 1707 Comment
  SJSU14356  Lewisia nevadensis N. A. Hopkins 1990-6-12 1613 Plumas c. 16 mi NW of Beckwourth on rd to Genessee 1676 Comment
  JEPS127658  Lewisia triphylla Jurriaan M. de Vos 2014-6-4 289 Plumas Plumas NF. Near intersection of Primary Forest Route 94 (22N94) and 22N27/22N86Y, ca. 2.5 mi. N along route 94 from the Little Grass Valley Reservoir Dam. Comment
  JEPS87744  Lewisia triphylla Lowell Ahart 1994-6-15 7324 Plumas w side of logging road near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 1 air mi w of Little Grass Valley Reservoir) 1767 Comment
  CHSC21585  Ligusticum californicum L. M. Mayer; D. E. Brink Jr. 1975-8-12 Plumas Comment
  SJSU4640  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 A Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC130562  Lilium humboldtii Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  HSC15578  Lilium kelleyanum W. R. Rogers 1966-7-23 204 Plumas 2073 Comment
  CAS-BOT-BC509327  Lilium kelleyanum W. W. Wagner 1919-7-2 303 Plumas Taylor Creek 1463 Comment
  CAS-BOT-BC509345  Lilium kelleyanum Joseph Andorfer Ewan 1934-6-25 8220 Plumas Gold Lake Road above Deuters (Blairsden) 1524 Comment
  CAS-BOT-BC509346  Lilium kelleyanum Mrs. A. H. Rodda 1932-7-1 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC509350  Lilium kelleyanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1690 Plumas Above Sweetwater Meadow 1127 Comment
  CHSC100334  Lilium pardalinum subsp. shastense Lowell Ahart 2008-7-16 15086 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UCD139756  Lilium washingtonianum Gerald Dickinson 1963-7-1 61 Plumas State Highway 89, 7 miles northwest of Canyon Dam. 1097 Comment
  JEPS62040  Lilium washingtonianum subsp. washingtonianum John W. Duffield 1937-7-18 Plumas above and w Meadow Valley (Schneider Creek); Schneider Creek Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  JEPS85859  Limosella acaulis Barbara Ertter 1988-10-21 8002 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor 1341 Comment
  CAS-BOT-BC246071  Limosella aquatica M. S. Taylor 1982-9-7 5107 Plumas Ramelli Ranch, side of Feather River, ca. 2 mi. W of Beckwourth 1487 Comment
  SEINET10548795  Limosella aquatica Mary Susan Taylor 1982-7-8 Taylor 4807 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  SEINET13710320  Limosella aquatica Lowell William Ahart, Lowell William Ahart 2001-1 9228 Plumas Little Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  SEINET10496784  Linanthus bakeri Mary Susan Taylor 1982-5-4 Taylor 4402 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. Serpentine outcrop, n side of Spanish Ranch-Bucks Lake Rd, at its jct with 24N17, ca. 0.5 mi ne of Meadow Valley. 3700 ft. 472 Comment
  UC164544  Linanthus filipes H. M. Hall Jun 1912 Plumas near Alderson's; Yosemite National Park Comment
  PASA754  Linanthus harknessii Margaret Stason 1932-6-22 Plumas Camp ground lake Almanor Comment
  CHSC43340  Linnaea borealis var. longiflora Lowell Ahart 1975-7-2 839 Plumas About 7 miles north of the Sly Creek Dam. 914 Comment
  CHSC21322  Listera convallarioides F. T. Griggs; A. Pass 1975-7-31 280 Plumas Three Lakes. Comment
  UC1135291  Lithocarpus densiflorus var. echinoides G. T. Nordstrom 1934-7-3 186 Plumas 1.25 mi sw Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  CAS-BOT-BC432299  Lithophragma campanulatum Alice Eastwood 1927-6-12 14524 Plumas Forest Lodge Greenville, United States Forest Reserve Comment
  CDA19223  Lithophragma glabrum G. D. Barbe, T. C. Fuller 1982-6-16 3782 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC428428  Lithophragma tenellum Ella Dales Cantelow 1941-5-19 3519 Plumas Nr. Frenchman Creek n.e. of Beckwourth. Comment
  CAS-BOT-BC428431  Lithophragma tenellum Anna Head 1920-6-20 s.n. Plumas Lake Center Camp, Feather River Region 1920 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
  JEPS95402  Lithophragma tenellum Lowell Ahart 1994-6-15 7325 Plumas 1 air mile W of Little Grass Valley Reservoir (200 yds E of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat) 1767 Comment
  HSC20216  Lithophragma tenellum Jim Vaughn 1956-7-15 Plumas Boiling Springs Lake, near Mt. Lassen Natl. Park Comment
  RSA101480  Lithophragma tenellum R. Weatherby 1955-6-26 1547 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  UC106212  Lomatium dasycarpum subsp. tomentosum Mrs. R. M. Austin June 1883 412 e Plumas Big Meadows 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
  SEINET7880163 Image available Lomatium nevadense E. Sawyer 1935-1 67 Plumas 7 3/4 miles NNE of Sattley Sec. 36 T.22N. R. 14E. Comment
  CHSC70233  Lonicera conjugialis B. Castro; R. Zebell, R. Fallscheer 1989-8-2 347 Plumas Ca 3.5 air miS of Bucks Lake, ca 50 ft W of USFS Rd 23N58 1737 Comment
  CHSC99794  Lonicera conjugialis Lowell Ahart 2008-8-14 15214 Plumas West of the small stream, northwest of the meadow (swamp, bog), about 300 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC200952  Lotus Gladys L. Smith 1976-6-7 4559 Plumas Rte. 70, 8 mi. east of Quincy 1249 Comment
  CDA13374  Lotus nevadensis var. nevadensis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13223 Plumas Sierra Nevada; at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  JEPS114365  Lotus purshianus var. purshianus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UC917240  Lotus purshianus var. purshianus J. M. Tucker 1948-7-24 1715 Plumas near road from Cascade to Carmel Peak 1615 Comment
  JEPS85670  Lupinus John Thomas Howell 1926-7-30 2154 Plumas Prattville 1310 Comment
  UC865571  Lupinus A. A. Heller 1915-7-7 12051 Plumas near the summit Soapstone Ridge (12 mi w of Bucks); near summit Soapstone ridge 1676 Comment
  CHSC52416  Lupinus angustiflorus L. P. Janeway 1990-7-12 3793 A Plumas Plumas National Forest. Saddle along Eureka Ridge ca 1.0 mi south of the head of Bear Cr. 2118 Comment
  CHSC52421  Lupinus apertus L. P. Janeway 1990-7-12 3793 B Plumas Plumas National Forest. Saddle along Eureka Ridge ca. 1.0 mi south of the head of Bear Cr. 2118 Comment
  CHSC70011  Lupinus arbustus L. P. Janeway 1997-5-7 5111 Plumas Along Beckwourth-Genesee Road; on northeast side of Red Clover Creek 2.9 mi southeast of Indian Creek. 1249 Comment
  JEPS15480  Lupinus arbustus Joseph and Hilda Grinnell 1938-6-11 1097 a Plumas Mohawk 1371 Comment
  RSA11955  Lupinus arbustus subsp. silvicola Elmer I. Applegate 1929-6-21 5781 Plumas Between Kellys Camp and Drakesbad, Warner Valley, Mt. Lassen region. Comment
  SEINET10484741  Lupinus arbustus subsp. silvicola Charles Piper Smith 1921-7-19 Smith 3448 Plumas Mt hough trail Comment
  UCD23346  Lupinus argenteus var. argenteus E. W. Jameson 1949-5-6 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  SBBG68970  Lupinus argenteus var. heteranthus E. Rockwell -Jun-1925 518 Plumas Beckwourth 1508 Comment
  SEINET5327874  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1989-5-22 114 Plumas Sierra Valley; E side of Co. Rd. A-23 across from road to Barry corrals 1494 Comment
  CAS-BOT-BC196603  Lupinus argenteus var. palmeri L. P. Janeway 1990-7-4 3764 Plumas Along road to Lunker Point; west side Frenchman Lake 1722 Comment
  SEINET7062841 Image available Lupinus bicolor A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley South West. UTM 10, 643001mE, 4468076mN.(WGS84/NAD83). 1521 Comment
  RSA0077083  Lupinus breweri Daisie Huang 2006-8-11 06081101 Plumas Rattlesnake Creek, N of Hwy 70. 72 Comment
  CAS-BOT-BC196672  Lupinus breweri var. breweri H. D. Ripley; R. C. Barneby 1943-6-13 5709 Plumas 10 miles S. of Milford, in N. Plumas Co. 1767 Comment
  CAS-BOT-BC215363  Lupinus dalesiae M. S. Taylor 1982-6-16 4678 Plumas N side of 24N26, 0.5 mile W of its jct with Quincy-LaPorte Road, ca. 3 miles SE of Quincy 1645 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-BC215381  Lupinus dalesiae M. S. Taylor 1982-6-23 4719 Plumas S side of 23N43Y, 2.4 miles W of its junction with Peoria Creek Road (23N10), ca. 1 mile S of English Bar, ca. 6 miles SW of Sloat 1402 Comment
  CAS-BOT-BC215389  Lupinus dalesiae M. S. Taylor 1982-6-16 4685 A Plumas Both sides of 24N13, ca. 1.0 mile N of its junction with Willow Creek Road (23N90), ca. 4 air miles SE of Quincy 1645 Comment
  CHSC35904  Lupinus dalesiae M. S. Taylor 1982-6-21 4709 Plumas Above small creek, ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 0.5 mi nw of White Cap, ca. 3 air mi sw of Sloat. 1767 Comment
  CHSC36859  Lupinus dalesiae M. S. Taylor 1982-7-12 4818 Plumas Along Eureka Peak Rd, ca. 1.5 mi s of McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2164 Comment
  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
  CHSC88822  Lupinus dalesiae L. Hanson 1983-6-7 198 Plumas Plumas National Forest. Grays Flat. 1341 Comment
  SEINET10452048  Lupinus dalesiae Mary Susan Taylor 1982-8-23 Taylor 5039 Plumas T25N R8E center of nw sec 23. Almanor SE quad. On both sides of dirt rd, just e of M.P. 273.02, s side on cliff above RR tracks, Grays Flat area, ca. 2 air mi e of Virgilia. Mixed Evergr F; 2900 ft. 884 Comment
  SEINET10452056  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mt quad. S side of 23N10-Peoria Creek Rd, 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 5300 ft. 1615 Comment
  SEINET10452064  Lupinus dalesiae Mary Susan Taylor 1982-6-17 Taylor 4688 Plumas T23N R10E ne/nw sec 9. Spring Garden quad. W side of 24N13, 0.5 mi s of its jct with Quincy-LaPorte Rd, ca. 4 air mi se of Quincy. Elev 5400 ft. 1646 Comment
  SEINET10485180  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4691 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite roadcut On and road, both sides of 23n44y, 1.3 mi. W of its jct with 23n50y, ca 2 air Mi. Sw of sloat. With silene lemmonii, collinsia torreyi. 1494 Comment
  SEINET10485181  Lupinus dalesiae Mary Susan Taylor 1982-8-23 Taylor 5040 Plumas T25n r8e nw1/4se1/4 sec 20. Almanor ne quad. On s side of virgilia-meadow Valley rd (25n17), 0.3 and 1.0 mi. W of its jct with 25n20 (hambly ravine Turnoff), ca. 0.5 Mi. S of virgilia. Mixed evergreen forest (burned sometime Ago). With eriogonum nudum, epilobium paniculatum. 1128 Comment
  SEINET10485182  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4526 Plumas T23n r11e sw1/4sw1/4 sec 2. Mt ingalls quad. Corolla yellow. In partial Shade in jeffrey pine forest. S side of 23n12, ca. 8 Mi. E of its jct with 23N52, ca. 3/4 Mi. W of mcdermott ravine, ca. 1.5 Mi. Ne of sloat. With Lupinus, hydrophyllum occidentale, collinsia parviflora. 1372 Comment
  SEINET10485193  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4540 Plumas T24n r10e nw1/4nw1/4 sec 34. Spring garden quad. Open cobbly phyllite rd Embankment, w side of quincy-laport rd, 4.1 mi n of nelson creek bridge, ca 3.5 Mi. W of spring garden. Assoc: sedum spathulifolium purdyi, rumex acetosella, Chaenactis douglasii. 1341 Comment
  SEINET10490334  Lupinus grayi J. C. Downey 1964-6-28 Downey 12 Plumas Crescent mill. Host lupine (b) hirsute. 1082 Comment
  UC82104  Lupinus grayi Mrs. R. M. Austin July 1876 27 Plumas near Quincy; near Quincy Comment
  SBBG13868  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3817 Plumas Graeagle Comment
  UC149940  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  RSA0018282  Lupinus nanus Joan Stewart 2000-06 1043 Plumas Plumas National Forest Comment
  UC1586416  Lupinus onustus Vernon H. Oswald and Lowell Ahart 1991-6-18 4688 Plumas ca 4.5 mi (air) n Greenville (Forest Rd. 28N38, 4.9 mi ene of its jct w/County Rd 201 (Old Haun Rd.), 0.4 mi nw of its jct w/Forest Rd. 28N68 at Greenville Saddle) 1609 Comment
  SEINET10451244  Lupinus onustus Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1080 Plumas Collected on s side of greenville on n-facing slope. Douglas fir forest on Small side road. Comment
  UC727035  Lupinus onustus A. A. Heller 1941-5-22 16141 Plumas about 2 mi n Quincy (The type came from Indian Valley, in this region); n of Quincy Comment
  SEINET10488895  Lupinus sellulus Patricia L. Kenney 1973-6-5 Kenney 438 Plumas Collected along a stream along hwy. 70, 6 Mi s from jct. Of hwy. 89 And 70. Douglas fir and yellow pine. 1067 Comment
  UCD109588  Lupinus stiversii M. Vincent 1964-4-8 528 Plumas 1 mile northeast of Storrie. Comment
  CHSC108104  Luzula cascadensis Lowell Ahart 2011-9-20 17687 Plumas Moist 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
  JEPS110174  Luzula cascadensis Lowell Ahart 2006-7-9 12932 Plumas In a small seep, in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 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
  JEPS114814  Luzula cascadensis Lowell Ahart 2008-8-13 15183 Plumas East of La Porte Road, along the sides 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
  JEPS96116  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CAS-BOT-BC436593  Luzula cascadensis Clare B. Hardham 1970-8-8 17703 F Plumas Road to Thompson Peak Lookout 2133 Comment
  RSA718438  Luzula comosa L. Ahart 2006-7-9 12932 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  UCSB46162  Luzula comosa Reisentz, Paul 1979-5-12 Plumas at Lewisia Rock; 3 miles south of Beldon; on Highway 70 Comment
  CHSC116392  Luzula comosa var. comosa Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-17 405 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  CHSC97295  Luzula divaricata Lowell Ahart; John Dittes 2007-8-9 14441 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
  JEPS49052  Luzula macrantha Leland S. Smith 1925-4-29 1568 Plumas Grizzley Ridge, Old Bed Ground Sec. 30 Tahoe Forest 975 Comment
  HSC93238  Luzula parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8168 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake 1646 Comment
  CHSC44133  Lysimachia thyrsiflora V. Oswald; L. Ahart 1988-8-4 3680 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In shallow water of a marsh along the ne shore of the lake. 1676 Comment
  JEPS28642  Lysimachia thyrsiflora George W. Gillett 1957-7-18 839 Plumas Lassen Volcanic National Park, at n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1661 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
  CHSC100365  Lythrum portula Lowell Ahart 2008-9-10 15392 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CHSC94661  Lythrum portula Lowell Ahart 2006-10-8 13416 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
  RSA122561  Machaeranthera canescens var. canescens C. W. Hanks 1934-8-30 61 Plumas Ridge top 3/4 mile south of Bald Peak; Plumas National Forest 1677 Comment
  CHSC48176  Madia citrigracilis Vernon Oswald 1988-7-19 3592 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the n side of the lake. 1676 Comment
  CAS-BOT-BC343795  Madia elegans Mary Strong Clemens 1920-6-8 s.n. Plumas Greenville Comment
  CAS-BOT-BC343780  Madia elegans L. P. Janeway 1992-7-31 4282 Plumas South-facing slopes 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
  CAS-BOT-BC343796  Madia elegans Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  RSA169399  Madia exigua L. S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather River, 0.5 miles north of Rich Bar. 823 Comment
  RSA670120  Madia exigua June McCaskill 326 Plumas Lake Almanor region [?] Comment
  JEPS113592  Madia glomerata Lowell Ahart, Josephine Guardino 2007-7-20 14336 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS114377  Madia glomerata Lowell Ahart 2008-8-13 15167 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  HSC89862  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mtns. ca 12 air mi. SSW of Susanville, Snoring Springs 1/2 mi. N of Diamond Mt.-Greenville-Red Rock jct. 1982 Comment
  CAS-BOT-BC343270  Madia gracilis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1495 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC343287  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43285 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CHSC34890  Madia gracilis M. S. Taylor 1981-9-14 4276 Plumas Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ese of Greenville. 1584 Comment
  CHSC97093  Madia gracilis Lowell Ahart; Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS115862  Madia gracilis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16112 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  UCD134320  Madia gracilis Lewis S. Rose 1967-7-12 67170 Plumas Quincy. 1036 Comment
  SEINET5339093  Mahonia sonnei R. J. Holl 1948-4-20 24 Plumas Sierra Valley, bank of Feather River, 1 mile west of Beckwith. 1524 Comment
  SD7175  Maianthemum stellatum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC347519  Malacothrix floccifera Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CHSC62433  Malacothrix floccifera L. P. Janeway 1993-7-31 4484 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. 1066 Comment
  SEINET11808091  Malacothrix floccifera H. M. Hall, Babcock, E. B. 1903-1 4433 Plumas Indian Valley, Sierra Nevada Mountains 1067 Comment
  SD149160  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m west of metal bridge. 1524 Comment
  UC1192367  Marsilea vestita subsp. vestita Malcolm A. Nobs and S. Galen Smith 1949-8-18 1354 Plumas s end Lake Almanor Comment
  CAS-BOT-BC348170  Matricaria discoidea John Thomas Howell 1959-9-26 35046 Plumas Near Keddie 1005 Comment
  CAS-BOT-BC269220  Melica aristata John Thomas Howell 1951-6-27 27574 Plumas Johnsville 1584 Comment
  CHSC107906  Melica aristata L. P. Janeway 2011-8-23 10671 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.7 road km east of Road 22N60; 2.4 air km east-northeast of the northeast corner of Little Grassy Valley Reservoir. Small grassy openings in north-facing slopes. 1719 Comment
  SEINET10836202  Melica aristata Mary Susan Taylor 1982-7-7 Taylor 4784 Plumas T23N R11E nw/sw sec 26. Johnsville quad. N side of 23N36, just e of its jct with 23N35, s slope of Big Hill, ca. 3 air mi s of Sloat. Mixed Ever- green Forest. 5300 ft. 1615 Comment
  CAS-BOT-BC282079  Melica fugax John Thomas Howell 1951-6-27 27607 Plumas Jamison Creek 1950 Comment
  CAS-BOT-BC282105  Melica fugax Lowell Ahart 1989-7-2 6342 Plumas On the NW side and near the summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CAS-BOT-BC282106  Melica fugax L. P. Janeway 1992-5-22 4201 Plumas S side of Middle Fork Feather River, just S of railroad tracks, ca 2.7 miles E of Portola 1493 Comment
  CHSC41427  Melica fugax Lowell Ahart 1986-7-8 5346 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  UC1024683  Melica fugax Leo Whitney 1933-8-3 2162 Plumas ca 10 mi nw Portola (Big Grizzly Valley, near source of Freeman Creek); Plumas National Forest, Big Grizzly Valley 1828 Comment
  UC1137052  Melica fugax August L. Hormay 1932-6-11 Plumas 10 mi e Quincy; Middle Fork of Feather River Comment
  CAS-BOT-BC281267  Melica geyeri Javier Penalosa 1962-6-19 2491 Plumas Highway 40-89, +- 6.2 miles SE of Quincy 1097 Comment
  CAS-BOT-BC264183  Melica subulata Javier Penalosa 1962-6-19 2491 A Plumas Hwy. 40-89, +-6.2 mi. SE of Quincy 1097 Comment
  UCD88624  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1676 Comment
  JEPS115200  Mentha arvensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16121 Plumas Edge of a meadow or seep, about 20 yards north 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
  CHSC81125  Mentha canadensis Lowell Ahart 2001-8-29 9257 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS113613  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-16 14141 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET3452358  Mentzelia dispersa G. Douglas Barbe, T. C. Fuller, J. T. Howell 1981-6-24 3233 Plumas West of Mountain Grizzly Peak, West of Mountain Grizzly Peak, 0.2 miles south of the junction of Mount Hough-Crystal Lake Road and China Grade. 3 Miles West of Mountain Grizzly Peak, 4.20 Miles South West of Taylorsville (added later by Bill Schmidt) 1730 Comment
  RSA106774  Mentzelia montana L. S. Rose 1955-7-19 55146 Plumas Portola. 1479 Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 1676 Comment
  RSA77583  Mertensia ciliata var. stomatechoides F. W. Peirson 1926-6-21 6782 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  CAS-BOT-BC429030  Micranthes nidifica Lowell Ahart 1987-5-19 5657 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 8 miles north-east of La Porte 1706 Comment
  CAS-BOT-BC349335  Microseris nutans John Thomas Howell; Gordon H. True 1967-7-11 43314 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC349336  Microseris nutans John Thomas Howell 1960-7-21 35807 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CHSC21182  Microseris nutans F. T. Griggs; A. Pass 1975-7-16 189 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC39372  Microseris nutans L. Ahart; P. Ahart 1983-8-17 4326 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  JEPS106022  Microseris nutans Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10909 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy 1147 Comment
  CHSC61232  Microsteris gracilis K. B. McShea 1992-4-23 5 Plumas Ca 18 mi e of Quincy at Greenhorn Ranch Road. 1066 Comment
  POM147143  Microsteris gracilis subsp. humilis Alice Eastwood 1927-06 14663 Plumas Long Valley. United States Forest Reserve. Comment
  SEINET10902908  Microsteris gracilis subsp. humilis Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3846 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  CDA9207  Mimulus bifidus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .255 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  SEINET10570313  Mimulus cardinalis Mary Susan Taylor 1981-8-19 Taylor 4215 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  POM273253  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59263  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas Spanish Creek off Hwy 24, just north of Quincy. 1067 Comment
  JEPS12519  Mimulus guttatus George W. Gillett 1955-8-2 459 Plumas at creek crossing 1/4 mi belwo Devils Kitchen (Devils Kitchen trail) 1844 Comment
  JEPS95398  Mimulus moniliformis Lowell Ahart 1994-6-15 7333 Plumas E side of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  CDA12054  Mimulus moschatus G. F. Hrusa, J. Dinsdale 1989-6-26 7206 Plumas Sierra Nevada; Margin of N side of Bucks Lake, approx. 25 m. W of Quincy. Comment
  CHSC54418  Mimulus moschatus Vernon H. Oswald 1991-6-17 4669 Plumas Lassen Volcanic National Park. Drakesbad, along Hot Springs Creek west of the resort. 1752 Comment
  UCD122820  Mimulus moschatus W. R. Powell 1968-7-2 1592 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  UCSB45771  Mimulus moschatus Reisentz, Paul 1979-5-12 Plumas 12 miles south on Highway 70 from the junction of Highway 70 and Highway 89; 8 miles north of North Fork Camp Road Comment
  POM43678  Mimulus moschatus var. moniliformis Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  JEPS17619  Mimulus nanus var. mephiticus Rimo Bacigalupi 1955-7-22 5438 Plumas just off Feather River Highway (Alt. U. S. No. 40) (Rock Creek road (of PG&E)); Rock Creek 472 Comment
  JEPS96020  Mimulus nanus var. mephiticus Vernon H. Oswald and Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Qunicy Hwy.), northern High Sierra Nevada, Yellow Pine Forest. 1127 Comment
  RSA39887  Mimulus nanus var. mephiticus P. A. Munz 1947-5-16 11831 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA71300  Mimulus nanus var. mephiticus L. S. Rose 1951-6-27 51041 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  UC149906  Mimulus nanus var. mephiticus Katharine Brandegee 1911-7-30 Plumas Portola Comment
  RSA60018  Mimulus primuloides var. pilosellus E. K. Balls 1950-9-1 15595 Plumas East of Long Lake, by smaller lake flowing into it. Southern Plumas Co. 2104 Comment
  SEINET10570270  Mimulus pygmaeus Mary Susan Taylor 1981-6-19 Taylor 3933 Plumas T27N R7E ne/ne sec 10. Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89. 4500 ft elev. 1372 Comment
  UC725838  Mimulus tilingii A. A. Heller 1942-8-3 16517 Plumas near the stream Upper King Creek Meadow camp ground Comment
  JEPS8122  Mimulus torreyi R. H. Platt 1891-1 Plumas near Prattville; Sierras 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
  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
  CHSC59918  Monardella breweri subsp. lanceolata L. P. Janeway 1992-7-31 4283 Plumas South-facing slopes in canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70 (along powerline access road). 682 Comment
  CAS-BOT-BC221699  Monardella follettii M. S. Taylor 1981-8-25 4239 Plumas W side of 26N22F, rd to Red Hill Lookout, ca. 5 air mi ne of Belden 1584 Comment
  CAS-BOT-BC314152  Monardella follettii L. P. Janeway 1993-7-15 4457 Plumas Plumas National Forest, Quincy Ranger District, Pineleaf Compartment. Along Rd 25N17, 4.2 mi NW of Spanish Ranch Road (in Meadow Valley) and 0.2 mi after it crosses Bean Creek. 1402 Comment
  JEPS109972  Monardella follettii Dean W. Taylor 2005-8-1 19450 Plumas Yellow Creek, Forest Road 26N26 ca. 3 road miles south of Humbug Valley 1310 Comment
  UCD105971  Monardella follettii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  HSC101674  Monardella follettii Dillon North Davis 2013-7-1 35 Plumas 9.8 miles south on FS Road 25N17 from intersection with Highway 70. 1576 Comment
  CDA12145  Monardella odoratissima G. F. Hrusa, J. Dinsdale 1989-6-25 7193 Plumas Sierra Nevada; Bucks lake north shore. Comment
  UC2016529  Monardella odoratissima Richard Olmstead 1983-7-2 411 Plumas On road cut along Hwy 89 ca. 3 mi. N. of jct. of Hwys 89 and 70. Ca. 12 mi. N. of Quincy. Comment
  UC2035865  Monardella odoratissima subsp. glauca E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  UC384660  Monardella odoratissima subsp. glauca E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  RSA7993  Monardella odoratissima subsp. glauca H. A. Barker 1927-7-3 771 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  UC586855  Monardella odoratissima subsp. glauca Joseph Andorfer Ewan 1934-6-25 8228 Plumas above Dentens (Gold Lake Road); Sierra Nevada 1676 Comment
  CAS-BOT-BC222107  Monardella odoratissima subsp. pallida Wayne Roderick 1967-8-5 s.n. Plumas Luther Ridge, Plumas-Sierra County line 2133 Comment
  CHSC100330  Monardella odoratissima subsp. pallida Lowell Ahart 2008-8-13 15174 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC115779  Monardella odoratissima subsp. pallida Lowell Ahart; John Deurloo 2015-8-25 20527 Plumas On the east side of Cold Water Creek, about 200 yards northeast of the bridge, east of the camp, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  CHSC117634  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 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
  CHSC52045  Monardella odoratissima subsp. pallida L. P. Janeway 1990-6-28 3737 Plumas Plumas National Forest. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  UC1124591  Monardella odoratissima subsp. pallida C. W. Hanks 1934-8-8 14 Plumas N. E. of Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC222153  Monardella odoratissima subsp. pallida H. D. Ripley; R. C. Barneby 1943-6-16 5771 Plumas Lake Almanor 1356 Comment
  CAS-BOT-BC318570  Monardella odoratissima subsp. pallida F. Cayot 1913-8-12 19214 Plumas Three Mile Valley. 1706 Comment
  SEINET12334046  Monardella odoratissima subsp. pallida L. P. Janeway 1989-1 3484 Plumas Johnsville quad T23N R12E NE? of sec21, Along Jackson Creek, rd 23N11 2.3mi from hwy 70/89,then 2.2? 1783 Comment
  SD149141  Monardella sheltonii John Thomas Howell 1975-7-22 51350 Plumas 2 miles northwest of Spring Garden Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10582342  Monardella sheltonii A. Graff 1993-7-22 Graff 299 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10582367  Monardella sheltonii A. Graff 1993-7-22 Graff 328 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Locally infrequent on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Comment
  SEINET10499745  Monardella stebbinsii Mary Susan Taylor 1981-7-18 Taylor 4056 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  CAS-BOT-BC444739  Montia chamissoi H. E. Brown 1897-8-1 5632 Plumas Near Lassen Buttes 1828 Comment
  SBBG21853  Montia chamissoi D. Myrick 1964-7-19 878 Plumas Dream Lake, Drakesbad 1828 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
  CAS-BOT-BC445095  Montia linearis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1883 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Valley proper. 1036 Comment
  UC1136708  Montia linearis E. Sawyer 1935-6-27 181 Plumas 1.6 mi ene of Grizzly Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  SEINET4672017  Muhlenbergia asperifolia W. Harnach, N. Harnach 1990-7-5 462 Plumas Sierra Valley, first corner east of Co. Rd. A-23 on Marble Lane. 1487 Comment
  CAS-BOT-BC267002  Muhlenbergia filiformis John Thomas Howell 1959-9-25 34993 Plumas Feather River, Portola 1478 Comment
  CAS-BOT-BC267014  Muhlenbergia filiformis Clarence R. Quick 1966-7-7 66 37 B Plumas E of Cottonwood Creek crossing, ca 3 miles S of W end of Humbug Valley 1402 Comment
  CHSC24252  Muhlenbergia filiformis K. R. Stern 1975-7-23 Plumas West side of Lake Almanor. Comment
  CHSC40254  Muhlenbergia filiformis Lowell Ahart 1985-7-11 5138 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
  JEPS110529  Muhlenbergia filiformis Lowell Ahart 2006-10-23 13500 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  JEPS115891  Muhlenbergia filiformis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16142 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
  RSA129386  Muhlenbergia filiformis G. Burks 1933-8-8 29 Plumas 4 1/4 miles NE Cammel Park. 1707 Comment
  UC819028  Muhlenbergia filiformis A. A. Heller 1915-7-7 12068 Plumas near summit Soapstone ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  CAS-BOT-BC275033  Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir, where the S Fork of the Feather RIver flows into the lake, about 4.5 miles NE of La Porte 1584 Comment
  CAS-BOT-BC275038  Muhlenbergia richardsonis Lewis S. Rose 1955-7-20 55161 Plumas Mohawk 1371 Comment
  CHSC113887  Muhlenbergia richardsonis Lowell Ahart 2014-8-24 19793 Plumas On the silt flats on both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA726442  Muhlenbergia richardsonis L. Ahart, John Dittes 2007-6-17 14201 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  UCR47603  Myosotis discolor David D. Keck 1932-7-4 1670 Plumas Northern Sierra Nevada Mtns., Quincy, along road to Lake Almanor 1067 Comment
  JEPS110466  Myosotis laxa Lowell Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  CDA18683  Myosotis laxa G. D. Barbe, T. C. Fuller 1982-6-15 3685 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 Comment
  JEPS113645  Myosurus minimus Lowell Ahart, John Dittes 2007-6-16 14111 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC32875  Myriophyllum sibiricum L. Ahart 1980-9-17 2652 Plumas In the small shallow lake, ca. 0.5 mi w of Fowler Peak, ca. 8 mi n of La Porte. 1600 Comment
  SD9589  Myriopteris gracillima Mrs. R. M. Austin Nov 1877 Plumas Quincy Comment
  UC1069119  Nama lobbii F. W. Embree 1934-6-6 66 Plumas 1 1/2 mi nw Bucks Mountain; Bidwell Bar Quad., Plumas National Forest, nw Bucks Mt. Comment
  RSA239302  Narthecium californicum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42346 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; near Darlingonia Bog 1174 Comment
  CAS-BOT-BC515768  Narthecium californicum Robert J. Weatherby 1921-7-24 1476 Plumas Butterfly Valley, near Quincy 1219 Comment
  SEINET12054992  Narthecium californicum J. G. Lemmon 7 s.n. Plumas Butterfly Valley and Castle Lake Valley, near Shasta Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  JEPS28633  Navarretia divaricata George W. Gillett 1957-7-18 824 Plumas n end Willow Lake Meadow (near the main inlet); Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  UCD48383  Navarretia divaricata John Thomas Howell 1960-7-18 35571 Plumas Meadow border, Drakesbad, Plumas County. 1676 Comment
  CDA18488  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3370 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 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
  SJSU13884  Navarretia intertexta subsp. propinqua N. A. Hopkins 1986-7-15 1362 Plumas Squaw Valley Comment
  CHSC10634  Navarretia leptalea Lowell Ahart 1970-6-25 Plumas Six miles NW of La Porte. 1828 Comment
  RSA189332  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt. Hough Road, 2.5 miles NE of Quincy Junction. 1250 Comment
  RSA470065  Navarretia leptalea F. W. Peirson 1932-7-19 s.n. Plumas Along Feather River near Chester. 1463 Comment
  CHSC62477  Navarretia leptalea subsp. bicolor L. P. Janeway 1993-8-5 4497 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. Top of ridge. 1623 Comment
  CHSC71648  Navarretia leptalea subsp. leptalea Vernon H. Oswald; Lowell Ahart 1998-8-11 9477 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. Roadside. 1737 Comment
  UC1585899  Navarretia leptalea subsp. leptalea Barbara Ertter 1989-7-4 8681 Plumas 2.2 mi w of jct with Hwy 89 and Hwy 36 sw Chester; sw of Chester 1463 Comment
  SEINET14152722  Navarretia linearifolia subsp. linearifolia A. A. Heller, P. B. Kennedy 1907-7-5 8743 Plumas Hills above Red Clover Valley. Comment
  CHSC41966  Navarretia sinistra Lowell Ahart 1986-7-8 5359 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  SEINET10461208  Nemacladus interior Rimo Bacigalupi 1957-6-29 Bacigalupi 6014 Plumas Just east of the mouth of Rock Creek, Feather River Canyon, along U.S. Highway 40 533 Comment
  CHSC81630  Nicotiana acuminata var. multiflora Lowell Ahart 2001-10-8 9332 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS112759  Nicotiana attenuata Dean W. Taylor 2001-10-13 17923 Plumas Frenchman Lake Road ca. 1 mile below (South) of the dam 1767 Comment
  UC178303  Nicotiana quadrivalvis var. quadrivalvis Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  JEPS88178  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8172 Plumas on Oroville-Quincy Hwy 3.6 mi sw Silver Lake Rd. (between Meadow Valley and Bucks Lake, 1.8 mi ne of White Horse Campground, near Bucks Summit); northern High Sierra Nevada 1676 Comment
  UC726950  Oreostemma alpigenum var. andersonii A. A. Heller 1942-8-3 16515 Plumas about midway between Summit Lake and the Devasted Area Summit Lake; Lassen Park Comment
  CDA10246  Oreostemma elatum J. R. Keck Jr. 1978-6-3 PDR# 330066 Plumas Snake Lake near Quincy. 0 Comment
  CAS-BOT-BC238428  Orthocarpus W. Harnach; N. Harnach 1989-6-17 145 Plumas Sierra Valley. Collected at the east end of Carmichaels Pond. Marble Lane 1487 Comment
  CAS-BOT-BC238431  Orthocarpus W. Harnach; N. Harnach 1990-6-13 374 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  CHSC71654  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald; Lowell Ahart 1998-8-11 9489 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Rd. 2.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1905 Comment
  UC584313  Orthocarpus cuspidatus subsp. cryptanthus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2242 Plumas sw slopes and ridge crest Red Rock (n of Engelmine); sw slopes and ridge crest Red Rock 2133 Comment
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  RSA59403  Osmorhiza berteroi E. K. Balls 1950-9-8 15723 Plumas Lakes Center Public Campground. 2043 Comment
  JEPS102588  Osmorhiza chilensis Lowell Ahart 2001-7-17 8913 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CHSC39363  Packera streptanthifolia L. Ahart; P. Ahart 1983-8-17 4322 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CAS-BOT-BC121011  Paeonia brownii Elmer Ivan Applegate 1921-6-21 5806 Plumas Warner Valley near Drakesbad. Comment
  RSA122687  Paeonia brownii E. Sawyer 1935-5-23 32 Plumas 1.5 miles southeast of Kerby 1524 Comment
  SEINET10537846  Paeonia brownii Mary Susan Taylor 1981-6-17 Taylor 3927 Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  SEINET10932238  Paeonia brownii Mary Susan Taylor 1982-5-7 Taylor 4418 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  UC586852  Paeonia brownii Joseph Andorfer Ewan 1934-6-26 8187 Plumas on Mt. Elwell Trail 1/2 mi from Gold Lake Lodge 2072 Comment
  UCD150435  Paeonia brownii T. Stone 1966-4-21 s.n. Plumas Mountain Meadows. Comment
  CHSC95019  Panicum acuminatum var. acuminatum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UCD88718  Panicum acuminatum var. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  CHSC113896  Panicum capillare Lowell Ahart 2014-8-26 19794 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC175578  Parnassia palustris Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1688 Plumas Above Sweetawter Meadow. Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC115925  Parnassia palustris L. P. Janeway 2015-8-16 11839 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
  CHSC45971  Pectiantia breweri Lowell Ahart 1976-6-18 1143 Plumas Growing along Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  RSA112886  Pedicularis densiflora subsp. aurantiaca E. F. Sprague 1957-5-29 1217 Plumas Just off Hwy 4.2 miles W of Mineral. 1159 Comment
  CHSC100029  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC66774  Pedicularis racemosa Vernon H. Oswald; Lowell Ahart 1996-8-14 8167 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  CHSC34262  Pedicularis racemosa subsp. alba M. S. Taylor 1981-9-10 4272 A Plumas Head of Bullfrog Ravine near Springs, ca. 3 mi w of Indian Falls. 1737 Comment
  UC1599356  Pedicularis semibarbata H. E. Brown Aug 15 1897-Aug 31 1897 649 Plumas near Lassen Buttes 1828 Comment
  UCD123296  Pedicularis semibarbata Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  CDA13577  Pellaea brachyptera G. F. Hrusa, T. D. Wilfred 1996-8-23 13526 Plumas Sierra Nevada; Below Lava Peak immediately above Long Valley Creek along USFS 12E19 Pack Trail. N of Hwy 70 about 15 m. E of Quincy. Comment
  NY638819  Penstemon azureus R. M. Austin 07 1878 s.n. Plumas Mount Dyer Comment
  JEPS127  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 670 Comment
  UC1012472  Penstemon deustus var. deustus Francis W. Pennell 1940-6-11 25807 Plumas Route 89, 7 mi s Greenville; s of Greenville 1188 Comment
  CHSC75546  Penstemon deustus var. suffrutescens G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  NY609834  Penstemon deustus var. suffrutescens F. M. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada Comment
  NY600702  Penstemon gracilentus G. Schoolcraft 1989-7-3 1935 Plumas Diamond Mountains, near Bear Valley 1735 Comment
  NY600750  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  UC423666  Penstemon gracilentus David D. Keck 1930-7-24 969 Plumas Humbug Summit (between Chaparral and Prattville) (Butte-Plumas Counties line); Sierra Nevada, Humbug Summit 1889 Comment
  UC586842  Penstemon gracilentus Joseph Andorfer Ewan 1934-6-26 8195 Plumas Gold Lake Road near Sierra Co. line; Sierra Nevada 1828 Comment
  CHSC118715  Penstemon heterodoxus var. shastensis Wendy L. Boes 2016-7-13 2016020 Plumas Lassen National Forest. Ridge to Southeast of Coon Hollow. UTM 634162 E, 4433348 N, NAD 83 Zone 10 North. 1837 Comment
  RSA0027637  Penstemon heterodoxus var. shastensis Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt. peak ca. 7 air miles S of Susanville 2287 Comment
  CAS-BOT-BC6803  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  JEPS11209  Penstemon neotericus O. E. Mack 1923-7-9 Plumas Chester Comment
  UC887185  Penstemon neotericus M. and P. Ownbey 1938-7-14 1742 Plumas Comment
  RSA52888  Penstemon newberryi subsp. newberryi R. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area. 1982 Comment
  CAS-BOT-BC239297  Penstemon newberryi var. berryi Mary Strong Clemens 1920-6-23 s.n. Plumas Crystal Lake Comment
  CHSC88837  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1371 Comment
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CHSC110370  Penstemon roezlii Lowell Ahart 2012-9-5 18446 Plumas Road edge where the County Road crosses the South Fork of the Feather river, about 1 mile (air) southwest of Pilot Peak, about 8-1/4 miles (air) northeast of La Porte. 1828 Comment
  CAS-BOT-BC239604  Penstemon rydbergii var. oreocharis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC239612  Penstemon rydbergii var. oreocharis Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek ranger station Comment
  CDA14686  Penstemon rydbergii var. oreocharis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3147 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC62594  Penstemon rydbergii var. oreocharis B. Castro 1987-6-21 135 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  CHSC73445  Penstemon rydbergii var. oreocharis H. Durio 1995-8-17 Plumas Mosquito Flat area. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. 1676 Comment
  CHSC95101  Perideridia bolanderi subsp. bolanderi L. P. Janeway; B. Castro 2006-6-3 8654 Plumas Northern High Sierra nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  CHSC54511  Perideridia lemmonii Vernon H. Oswald 1991-8-8 4812 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelly and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  JEPS115555  Perideridia lemmonii Lowell Ahart, John Dittes 2009-7-28 16203 Plumas On damp soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  SEINET10454552  Perideridia lemmonii Mary Susan Taylor 1982-7-8 Taylor 4796 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  UC174184  Perideridia lemmonii Katharine Brandegee Plumas Portola Comment
  CHSC116372  Perideridia parishii Sara M. Taylor; Scott Batiuk 2012-7-31 58 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd. to Smith Lake (via Snake Lake). Take left (west) onto 23N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  CHSC21812  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-7-30 Plumas Bucks Lake Forest Service Survey. Comment
  JEPS114420  Perideridia parishii subsp. latifolia Lowell Ahart 2008-7-9 15054 Plumas Near a small meadow about 2 yards west of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte 1686 Comment
  RSA0045594  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. 1593 Comment
  UCD127869  Perideridia parishii subsp. latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1437 Plumas at Butterfly Valley. Comment
  SD7877  Persicaria amphibia Mrs. R. M. Austin 1881-1 Plumas Big Meadows Comment
  CAS-BOT-BC419040  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  JEPS122113  Persicaria lapathifolia Lowell Ahart 2014-8-24 19738 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC113624  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CAS-BOT-BC419240  Persicaria maculosa John Thomas Howell 1961-9-22 36798 Plumas Bed of Wolf Creek, Greenville 1088 Comment
  UCD147773  Phacelia hastata subsp. compacta Allyson Ayalon; Lucie Jerabkova 2012-8-1 135 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  JEPS113466  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
  SEINET5759778  Phacelia heterophylla var. virgata A. A. Heller, P. B. Kennedy 1907-7-15 8852 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UC1586076  Phacelia humilis Barbara Ertter with Gary Schoolcraft 1989-7-3 8636 Plumas on Lone Rock rd near Bear Creek crossing (ca 9 air mi s of Susanville); Diamond Mts. 1767 Comment
  CHSC60541  Phacelia humilis var. humilis L. P. Janeway 1992-5-12 4169 Plumas Plumas National Forest. Beckwourth Ranger District. Midway Compartment. North side of Lake Davis and Rd112, ca 6 1/2 mi northwest of the road to the dam. Opening in yellow pine forest. 1780 Comment
  JEPS113379  Phacelia humilis var. humilis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14005 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA636043  Phacelia humilis var. humilis Michael A. Vincent 1999-6-7 8522 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  CDA14714  Phacelia mutabilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3230 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC92181  Phacelia mutabilis Lowell Ahart; John Dittes 2005-9-19 12407 Plumas Along the sides of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  JEPS12517  Phacelia mutabilis George W. Gillett 1955-8-2 461 Plumas Devils Kitchen trail at creek crossing 1/4 mi below Devils Kitchen; Lassen Volcanic National Park 1844 Comment
  SDSU6607  Phacelia mutabilis R. M Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River, .5 miles north of Chester, Ca. Comment
  CHSC46791  Phacelia purpusii J. D. Jokerst 1984-7-11 2098 Plumas Edge of Beckworth-Genesee Road ca 1.1 miles NW of Drum Bridge, E end of Genesee Valley. Comment
  CHSC24664  Phacelia vallicola Keith Lickey 1976-4-17 75 Plumas Hwy 70 at se entrance of Grizzly Dome Tunnel. Comment
  UCD88511  Phalaris arundinacea John Thomas Howell 1973-7-9 49713 Plumas Crescent Mills. 1066 Comment
  CDA25501  Philadelphus lewisii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .256-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  OBI13974  Philadelphus lewisii Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  CAS-BOT-BC260842  Phleum pratense John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1665 Plumas In Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC260854  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor 1828 Comment
  CDA17251  Phleum pratense G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16278 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  JEPS107599  Phleum pratense Lowell Ahart, Josephine Guardino 2005-8-10 12314 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
  SEINET3144280  Phleum pratense E. K. Balls 1950-9-15 15844 Plumas 6 mi NW of Chester, Nrth Fork Feather River 1402 Comment
  CDA18663  Phlox diffusa G. D. Barbe, T. C. Fuller 1982-6-15 3716 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  JEPS48502  Phlox diffusa Esther C. Fritz 1933-7-1 Plumas Spanish Peak 2133 Comment
  JEPS69947  Phlox diffusa W. L. Jepson 1910-6-12 4121 Plumas Mt. Harkness 1828 Comment
  SEINET956367  Phlox speciosa W. I. Follett 1938-1 116 Plumas In Twp. Rich Gulch. 1250 Comment
  SEINET5341819  Phoenicaulis cheiranthoides R. C. Rollins, K. W. Rollins 1981-5-30 81169 Plumas Diamond Mts., 11 miles south of Susanville. Comment
  CAS-BOT-BC78467  Pinus contorta subsp. murrayana M. B. Kildale 1926-9-10 2762 Plumas Juniper Lake, Lassen Natl. Park 2054 Comment
  UC485734  Pinus contorta subsp. murrayana H. F. Copeland 1932-8-24 Plumas Drakesbad Comment
  CHSC40684  Pinus monticola Lowell Ahart; Jim Jokerst 1985-10-4 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC80049  Pinus washoensis Wayne Dakan Fall 1975 s.n. Plumas Last Chance Creek (ca. 6 mi. sw. of Milford Ranger Station) Comment
  CHSC65818  Piperia elongata L. P. Janeway 1993-8-3 4489 Plumas Plumas National Forest. Along Road 25N22 on west side of Soda Creek 0.1 mi northwest of Hwy 70 (and East Branch North Fork Feather River). 890 Comment
  CHSC57107  Piperia unalascensis L. P. Janeway 1991-7-23 4092 Plumas Plumas National Forest. Between Gold Lake Hwy and Gray Eagle Creek, 1.0 mi north of turn to Gray Eagle Lodge. 1691 Comment
  UCD138995  Piperia unalascensis W. R. Powell 1968-7-2 1595 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  SEINET3891743  Piperia unalascensis D. W. McNeal 1991-7-25 3850 Plumas Beside the Jamison Lake Trail, between Grass and Jamison Lakes, Lakes Basin.; 0 Comment
  UCSC004661  Piperia unalascensis R. Coleman 1990-7-10 1899 -P Plumas Bucks Lake Comment
  UCSC010346  Piperia unalascensis R. Coleman 1990-7-10 1899 -P Plumas Bucks Lake Comment
  CAS-BOT-BC280  Plagiobothrys cognatus Amos Arthur Heller; P. B. Kennedy 1907-7-2 8680 Plumas Between Vinto and Peckwith Comment
  CHSC23681  Plagiobothrys cognatus K. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  UC1075675  Plagiobothrys cognatus Robert J. Weatherby 1955-7-2 1585 Plumas Wilcox Valley 1767 Comment
  CHSC97143  Plagiobothrys cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14033 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  JEPS122172  Plagiobothrys cusickii Lowell Ahart 2014-8-20 19712 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CAS-BOT-BC230956  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC230960  Plagiobothrys hispidulus John Thomas Howell 1962-6-19 37874 Plumas 5.8 miles E of Beckwourth 1493 Comment
  CAS-BOT-BC230984  Plagiobothrys hispidulus Lewis S. Rose 1954-5-30 54061 Plumas Johnsville 1600 Comment
  CHSC102749  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16150 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC23620  Plagiobothrys hispidulus K. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  UC78228  Plagiobothrys hispidulus T. S. Brandegee 1892-7-3 Plumas Prattville Comment
  CHSC20807  Plagiobothrys hispidus K. R. Stern 1975-7-23 5844 Plumas W shore of Lake Almanor. 1371 Comment
  RSA754959  Plagiobothrys scouleri var. hispidulus L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15900 Plumas About 200 yards northwest of Lake Almanor Dam. 1422 Comment
  OBI20915  Plagiobothrys tenellus Lewis S. Rose 1967-5-6 67058 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  CHSC81136  Plantago major Lowell Ahart 2001-8-28 9207 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC34314  Plantago major var. scopulorum L. Ahart 1981-9-6 3079 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CDA13420  Platanthera leucostachys G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13268 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC50437  Platanthera leucostachys Vernon Oswald; Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Hwy between Merrimac and Buckeye sites, 0.3 mi north of the Butte-Plumas county line. 1487 Comment
  CHSC6557  Platanthera leucostachys R. Carter 1966-7-10 477 Plumas Found 1 mi. N Bucks Summit on W side Oroville-Quincy Rd., ca. 12 mi. W of Quincy. 1615 Comment
  UC336578  Platanthera leucostachys unknown Aug 1875 Plumas Indian Valley Comment
  SJSU4144  Plectritis macrocera C. W. Sharsmith & W. Savage 1967-5-20 7513 Plumas near S base of the Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC458184  Pleuricospora fimbriolata M. Storey; D. S. McMullin 1943-9-14 s.n. Plumas Challenge road, 1 mi. SW of La Porte 1645 Comment
  CHSC75575  Poa bolanderi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3368 Plumas Grizzly Summit 6 miles west of Bucks Lake on Spanish Ranch-Buteet County Road. Comment
  CHSC76159  Poa bolanderi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3072 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC91944  Poa bolanderi Lowell Ahart; Josephine Guardino 2005-8-9 12278 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SACT001810  Poa bolanderi Michael Baad 1976-8-7 Plumas 1 mile west of trail head to Bear lake to trail head along road ro Rubicon Springs from Lake Tahoe. 2011.0 Comment
  SEINET7297589 Image available Poa bolanderi Leo Whitney 1934-1 2295 Plumas Under Lodgepole Pine; Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola, Plumas National Forest. 1829 Comment
  CAS-BOT-BC254965  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas 3.5 miles SW of Portola, ca 0.33 mile W of Middle Fork Feather River and ca 300 feet E of Highway 70 1484 Comment
  CAS-BOT-BC254966  Poa bulbosa Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1786 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC100880  Poa bulbosa L. P. Janeway; B. Castro 2008-6-8 9398 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  CHSC33877  Poa bulbosa M. S. Taylor 1981-5-11 3684 Plumas Around private residence, ca. 1/2 mi s of Flournoy Bridge and jct of Hwy 89 and Beckwourth-Genesee Rd, ca. 5 air mi e of Genesee. 1158 Comment
  JEPS106327  Poa bulbosa Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11068 Plumas On the north margin of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  CAS-BOT-BC255089  Poa compressa L. W. Swift 1934-7-26 120 Plumas Butterfly Protection Plot #2, Plumas forest 1097 Comment
  RSA726293  Poa cusickii L. Ahart, John Dittes 2007-6-16 14112 Plumas east of a small stream, on the south side of County Road 111 (Bechwourth 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
  UC578634  Poa cusickii subsp. cusickii E. Sawyer 1935-6-27 187 Plumas 1.6 mi ne Grizzly Peak; Downieville Quadrangle 1767 Comment
  CAS-BOT-BC247271  Poa palustris John Thomas Howell; Gordon H. True 1969-6-23 45830 Plumas On Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC247279  Poa palustris John Thomas Howell 1960-7-19 35627 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC247382  Poa pratensis Lewis S. Rose 1954-5-30 54078 A Plumas Beckwourth 1524 Comment
  UCD91944  Poa pratensis R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  SEINET10888201  Poa pratensis Alan A. Beetle 1941-6-28 Beetle 2792 Plumas 5 miles west of Chester on rte. 36; open meadow near creek. Assoc. Elymus triticoides, Ranunculus. 1829 Comment
  CHSC97219  Poa pratensis subsp. pratensis Lowell Ahart; Josephine Guardino 2007-7-20 14310 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis. 1789 Comment
  UC1132685  Poa pratensis subsp. pratensis F. W. Embree 1934-6-12 Plumas w end Haskins Valley; Bidwell Bar Quadrangle Comment
  CDA12146  Poa secunda G. F. Hrusa, J. Dinsdale 1989-6-25 7196 Plumas Sierra Nevada; Bucks lake north shore. Comment
  UCR146410  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas Northern Sierra Nevada Mountains, 1 mile west of Portola, along highway 24 1473 Comment
  CAS-BOT-BC236279  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  CAS-BOT-BC247079  Poa secunda subsp. juncifolia John Thomas Howell 1962-6-18 37757 Plumas Sierra Valley near Beckwourth 1487 Comment
  JEPS76237  Poa secunda subsp. juncifolia W. L. Jepson 1939-8-14 19413 Plumas Willow Creek Willow Creek 1828 Comment
  SEINET7294038 Image available Poa secunda subsp. juncifolia John Thomas Howell 1955-1 30800 Plumas Vinton 1506 Comment
  CAS-BOT-BC242961  Poa secunda subsp. secunda L. P. Janeway 1992-5-22 4195 Plumas S side of Middle Fork Feather River, just S of railroad tracks, 0.3 mile W of the road to Calpine, ca. 4 miles E of Portola 1487 Comment
  CAS-BOT-BC242969  Poa secunda subsp. secunda John Thomas Howell 1951-6-28 27663 Plumas Jamison Creek 1584 Comment
  CAS-BOT-BC242983  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True 1969-6-23 45823 A Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC242988  Poa secunda subsp. secunda John Thomas Howell; et al. 1967-7-10 2178 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC41268  Poa secunda subsp. secunda J. D. Jokerst 1984-5-13 2005 Plumas East end of Genesee Valley, Canyon of Indian Cr. N of creek, S of Indian Cr. Rd. 1249 Comment
  SEINET7294128 Image available Poa secunda subsp. secunda John Thomas Howell 1962-1 37773 Plumas Sierra Valley near Beckwourth, .75 mi. sw. of B. on road to Sierraville. 1487 Comment
  CAS-BOT-BC244148  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC6509  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  CAS-BOT-BC6510  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  CAS-BOT-BC6511  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  CAS-BOT-BC6512  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  JEPS108541  Poa wheeleri L. P. Janeway, B. Castro 2006-6-3 8662 Plumas Northern High Sierra Nevada. East side of narrow drainage connecting the upper and lower parts of Thompson Valley 1676 Comment
  CAS-BOT-BC414221  Polygonum aviculare subsp. depressum John Thomas Howell 1959-9-22 34863 Plumas Drakesbad 1737 Comment
  UC6668  Polygonum bistortoides John M. Coulter 1876-1 34 Plumas Comment
  POM186459  Polygonum convolvulus D. D. Keck 1932-7-3 1669 Plumas Quincy, along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  CAS-BOT-BC414553  Polygonum douglasii John Thomas Howell 1926-7-26 2142 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC414558  Polygonum douglasii Lowell Ahart 1985-9-26 5177 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte 1584 Comment
  UCD100241  Polygonum douglasii John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  UCD100254  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy. 1036 Comment
  CHSC62577  Polygonum douglasii subsp. douglasii B. Castro; R. A. Schlising 1987-7-21 145 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
  CHSC40622  Polygonum douglasii subsp. johnstonii Lowell Ahart; Jim Jokerst 1985-10-4 5193 Plumas Along the road, south of where the road crosses Onion Valley Creek at Onion Valley, about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  SEINET11934480  Polygonum minimum Unknown 1985-1 5139 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of Feather River 1585 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
  CDA13947  Polygonum parryi G. F. Hrusa 1997-6-26 13884 A 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
  JEPS106304  Polygonum parryi Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  CAS-BOT-BC419890  Polygonum polygaloides subsp. confertiflorum W. Harnach; N. Harnach 1990-5-25 323 Plumas Sierra Valley. Marble lane, approx 3/4 mile west of bridge. 1485 Comment
  CAS-BOT-BC420052  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1986-7-8 5361 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  CAS-BOT-BC420044  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Off Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  JEPS51275  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1939-8-12 19404 Plumas Ferris Creek; brach of Last Chance Creek 1767 Comment
  CAS-BOT-BC421040  Polygonum spergulariiforme L. P. Janeway 1989-6-23 3388 Plumas Beckwourth Ranger District, Plumas National Forest. Upper slopes overlooking Crocker Cr from the east. 1874 Comment
  SEINET10479684  Polygonum spergulariiforme Mary Susan Taylor 1982-9-8 Taylor 5118 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  JEPS103024  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC237271  Polypogon monspeliensis John Thomas Howell 1955-7-19 s.n. Plumas Sierra Valley at Vinton 1505 Comment
  UCD91381  Polypogon monspeliensis R. Tofsrud 1947-7-1 215 Plumas Near Vinton. Comment
  CDA14665  Polystichum imbricans G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3105 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  RSA718497  Polystichum imbricans L. Ahart 2006-10-23 13470 -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 o 1282 Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  SD87477  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin Unknown Plumas Comment
  UC123291  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin Aug, 1876 309 Plumas Mill Creek Comment
  CHSC95278  Polystichum lemmonii L. P. Janeway; David Toren 2006-11-7 8941 Plumas Northern High Sierra Nevada. Plumas National Forest; Rogers Lake, in a bowl/cirque imbedded in steep northern slope of Red Mountain, 1.2 km south of the confluence of Little Grizzly Creek and Grizzly Creek. 1629 Comment
  SEINET10867043  Polystichum lemmonii Mary Susan Taylor 1980-9-27 Taylor 3348 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  CAS-BOT-BC72506  Polystichum scopulinum Lowell Ahart 1980-9-17 2648 Plumas 1/2 mile west of Fowler Pk. 1800 Comment
  CAS-BOT-BC102758  Populus tremuloides Anna Head 1920-1 s.n. Plumas Feather River Region Comment
  CHSC8773  Potamogeton alpinus S. Chulasmai 1966-5-13 32 Plumas Honey Lake. Comment
  CAS-BOT-BC267202  Potamogeton foliosus Robert J. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy 1219 Comment
  RSA52911  Potamogeton foliosus R. Weatherby 1950-7-28 1504 Plumas Marshy lake near Indian Creek, 2 miles south of Crescent Hills. 1037 Comment
  UCD149953  Potamogeton natans William Anderson 1963-6-9 s.n. Plumas Quincy. Comment
  JEPS102521  Potamogeton richardsonii Lowell Ahart 2001-9-18 9286 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  RSA0005605  Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  CAS-BOT-BC143115  Potentilla breweri Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) 2046 Comment
  UCR207982  Potentilla glandulosa subsp. hansenii Lyman Benson 1932-7-29 3988 Plumas Sierra Nevada Mtns., Bucks Lake, Feather River Drainage 1585 Comment
  CHSC26145  Potentilla gracilis var. elmeri Detzer; Sacks 1977-6-25 44 Plumas On sw edge of Squaw Valley. 1853 Comment
  CAS-BOT-BC540405  Potentilla gracilis var. fastigiata John Thomas Howell 1955-7-19 30830 Plumas Sierra Nevada, Mohawk 1371 Comment
  CAS-BOT-BC540406  Potentilla gracilis var. fastigiata John Thomas Howell 1955-7-20 30831 Plumas Sierra Nevada, Mohawk 1371 Comment
  CAS-BOT-BC540410  Potentilla gracilis var. fastigiata John Thomas Howell; Gordon H. True 1967-6-11 42574 Plumas Sierra Nevada, meadow at Qunicy 1036 Comment
  JEPS44464  Potentilla millefolia J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  UC191278  Potentilla millefolia unknown 1892-7-4 Plumas Prattville Comment
  UC477524  Potentilla millefolia L. S. Smith 1931-5-26 2548 Plumas Last Chance Creek Plumas National Forest, Last Chance Creek 1524 Comment
  RSA239231  Potentilla palustris Robert F. Thorne 1972-9-20 42312 Plumas Plumas National Forest: Snake Lake 4 miles NW of Quincy. 1220 Comment
  CDA30239  Potentilla rivalis L. Ahart, J. Dittes, J Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  UCD125334  Prunella vulgaris var. lanceolata John Thomas Howell 1960-7-21 35793 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC158135  Prunus emarginata Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC158136  Prunus emarginata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS48772  Prunus emarginata John Warren Duffield 1937-5-23 Plumas se of Bucks Lake (Road to Bear Creek Ranger Station, sw Plumas County) Comment
  RSA123197  Prunus emarginata D. Axelrod 1934-6-4 11 Plumas SW of La Porte 1646 Comment
  SD8440  Prunus emarginata Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  UC1128341  Prunus emarginata C. W. Hanks 1934-8-30 62 Plumas 1 mi s of Bald Rock (Plumas National Forest); Plumas National Forest 1676 Comment
  UC1128455  Prunus virginiana var. demissa E. Sawyer 1935-6-1 57 Plumas 3/4 mi w of Kerby 1524 Comment
  UCD113522  Prunus virginiana var. demissa H. B. Currier; W. R. Russell, J. M. Tucker 1951-8-1 2203 Plumas beside road to Buck's Lake, about 1 mile west of Quincy. Comment
  CAS-BOT-BC356515  Pseudognaphalium beneolens John Thomas Howell 1959-9-21 34737 Plumas Belden 701 Comment
  JEPS102717  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-8 9308 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CHSC34854  Pseudostellaria jamesiana M. S. Taylor 1981-7-22 4098 Plumas E side of 26N21- Grizzly Peak Rd, just s of Argentine Lookout turnoff. 2103 Comment
  CHSC87641  Pseudostellaria sierrae Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  CAS-BOT-BC80156  Pseudotsuga menziesii Saichi Kawahara 1968-5-5 413 Plumas Feather River Canyon, 5 miles west of Quincy turnoff, on Highway 70 914 Comment
  SEINET5334805  Pseudotsuga menziesii var. menziesii L. Sloan 1949-6-25 20 Plumas 4 miles west of Quincy on highway 24 Comment
  CAS-BOT-BC239790  Puccinellia lemmonii Greg Sommers 1976-7-1 138 Plumas Sierra Valley Marsh, roadside along Dyson Lane, 1 km W of metal bridge 1524 Comment
  CAS-BOT-BC239825  Puccinellia lemmonii W. Harnach; N. Harnach 1991-6-17 554 Plumas Sierra Valley. 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  CHSC34273  Purshia tridentata M. S. Taylor 1981-5-10 3678 Plumas Near Pioneer Cabin meadow, e side of Antelope Lake, ca. 20 air mi e of Taylorsville. 1536 Comment
  SEINET10904098  Purshia tridentata Mary Susan Taylor 1981-5-10 Taylor 3678 A Plumas T27N R13E nw/sw sec 19. Antelope Lake quad. E side of Antelope Lake, in and around large wet Pioneer Meadow, ca. 20 air mi ne of Taylorsville. 5040 ft. 1536 Comment
  CAS-BOT-BC147868  Purshia tridentata var. tridentata John Thomas Howell 1960-7-19 35686 Plumas Drakesbad 1828 Comment
  CHSC111240  Pycnanthemum californicum B. Castro; L. P. Janeway 2007-8-18 1673 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  CHSC33881  Pycnanthemum californicum M. S. Taylor 1981-7-21 4086 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  SD123507  Pycnanthemum californicum Robert F. Thorne 1974-7-30 45005 Plumas Plumas National Forest, Butterfly Valley Botantical Area 1157 Comment
  RSA0081590  Pyrola aphylla Christopher Davidson 1974-7-25 2491 Plumas Ca. 5 mi. W of Westwood on St. Hwy 36. 1524 Comment
  UC635151  Pyrola asarifolia H. L. Mason 1924-6-26 1091 Plumas near Blairsden Comment
  CAS-BOT-BC462848  Pyrola asarifolia Anna Head 1920-8-1 s.n. Plumas Feather River Region, outlet of Green Lake 1920 Comment
  CHSC33935  Pyrola dentata M. S. Taylor; M. Foster 1981-7-14 4011 Plumas Saddle at head of Bullfrog Ravine, along rd 26N18, 3 air mi nw of Indian Falls. 1584 Comment
  CHSC33879  Pyrola picta M. S. Taylor 1981-7-21 4090 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC466104  Pyrola picta Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET10973484  Pyrola picta Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4010 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
  JEPS101250  Pyrrocoma hirta var. lanulosa Dean W. Taylor 2000-8-12 17549 Plumas Camp 14 (ca. 5 air miles SE from Antelope Lake), drainage of Last Chance Creek, along Forest Road 26N07 1694 Comment
  SJSU13898  Pyrrocoma lanceolata var. lanceolata N. A. Hopkins 1985-8-30 1330 Plumas Marble Hot Springs Rd near Marble Hot Springs, Sierra Valley 1524 Comment
  CAS-BOT-BC362287  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 1990-7-29 487 Plumas Sierra Valley. At the gate to the old Pat Nobel ranch 1490 Comment
  RSA59283  Pyrrocoma lucida E. K. Balls 1950-9-4 15578 Plumas Opposite Feather River Experiment Station across Hwy 24, 4 miles north of Quincy. 1067 Comment
  JEPS108143  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade 1440 Comment
  JEPS48091  Quercus durata var. durata Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2700 A Plumas 54 mi n Oroville (Feather River Canyon at Rich Bar (sign), just w of and above Feather River, 0.25 mi below (downstream) Pulga Bridge on Highway 40 Alt.); Feather River Canyon 731 Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC104608  Quercus vacciniifolia J. M. Tucker 1948-7-25 1749 Plumas ca. 3/4 mi West of United Mining Co. mine on SW side of Camel Peak 1554 Comment
  UC1135805  Quercus vacciniifolia R. Roseberry 1934-11-4 10 Plumas 1 mi ne Johnsville; Plumas National Forest, Downieville Quad. 1493 Comment
  UC586846  Quercus vacciniifolia Joseph Andorfer Ewan 1934-6-25 8200 Plumas above Blairsden (Gold Lake Road); Sierra Nevada 1524 Comment
  CAS-BOT-BC379369  Ranunculus alismifolius var. alismifolius John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54105 Plumas 10.6 mi northeast of La Porte on road to Quincy 1890 Comment
  CHSC57828  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 a Plumas Lassen Volcanic National Park. Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. Along the edge of the creek. 1658 Comment
  CAS-BOT-BC379201  Ranunculus andersonii var. andersonii M. S. Taylor 1982-5-14 4448 Plumas Chico, open rocky volcanic outcrop and flats along ridge above Turner Springs Rd, ca. 1 mi S of Hwy 144 (Clio-Portola Rd), ca. 2 air mi SW of Portola, 1646 Comment
  SD8190  Ranunculus aquatilis Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadfows Comment
  POM186543  Ranunculus aquatilis var. capillaceus D. D. Keck 1932-7-3 1661 Plumas Quicy, along Spanish Creek, in the Northern Sierra Nevada. Comment
  SEINET10833587  Ranunculus aquatilis var. capillaceus Mary Susan Taylor 1981-5-10 Taylor 3670 Plumas T27N R12E se sec 15, Antelope Lake quad. N side of Antelope Lake, ca. 1/4 mi E of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi NE of Taylorsville. 5040 ft. 1536 Comment
  CAS-BOT-BC378981  Ranunculus aquatilis var. diffusus Miss T. O. Raphael 1919-8-8 s.n. Plumas Mohawk Comment
  JEPS54996  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  JEPS113443  Ranunculus cymbalaria var. saximontanus Lowell Ahart, John Dittes 2007-6-17 14163 Plumas Along 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
  RSA726542  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2007-6-17 14163 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
  CHSC60490  Ranunculus occidentalis L. P. Janeway 1992-5-6 4160 Plumas Plumas National Forest. About 3 1/2 mi southwest of Portola; 1/4 mi northeast of Clairsville Flat, between Middle Fork Feather River and Hwy 70. Edges of drainage. 1482 Comment
  CHSC60482  Ranunculus orthorhynchus var. orthorhynchus K. R. Stern 1985-6-25 8287 Plumas Vicinity of Blairsden. 1402 Comment
  UC501386  Ranunculus repens David D. Keck Jul 3 1932-Jul 5 1932 1678 Plumas meadow near R.R. Station; Northern Sierra Nevada, Quincy 1065 Comment
  SEINET12091404  Ranunculus uncinatus I. Knight, Knight, W. 1983-1 4924 Plumas on road between Chester and Drakesbad Comment
  CAS-BOT-BC59566  Rhamnus John Thomas Howell 1976-7-14 51824 Plumas Sierra Nevada - American Valley near Quincy on road to Quincy Junction 1036 Comment
  CAS-BOT-BC59571  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  RSA339163  Rhamnus purshiana Margaret J. Williams, Betty Larson 1983-8-12 s.n. Plumas W. side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1677 Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UCR179428  Rhamnus purshiana W. B. McHenry 1990-1 s.n. Plumas Northern Sierra Nevada Mountains, Bucks Lake 1646 Comment
  JEPS112916  Rhamnus rubra Dean W. Taylor 2001-8-2 17894 Plumas on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  PASA1597  Rhododendron occidentale Margaret Stason 1932-6-23 450 Plumas road between mineral and viola Comment
  UC1121083  Rhododendron occidentale F. W. Embree 1934-6-6 64 Plumas Plumas National Forest, s slope of Bucks Mountain Bucks Mountain; Plumas National Forest, Bucks Mountain 1524 Comment
  HSC65743  Rhynchospora capitellata R. F. Thorne 1974-7-30 45011 Plumas Plumas National Forest, Butterfly Valley Botanical Area 1159 Comment
  POM313091  Rhynchospora capitellata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1447 Plumas Butterfly Valley. Comment
  CHSC60902  Ribes montigenum Vernon H. Oswald 1993-7-1 5630 Plumas Lassen Volcanic National Park. Creek on the E side of Juniper Lake Rd., ca. 1.0 mi N of the Park boundary. Twigs from a shrub ca. 8 dm tall growing among rocks on the E bank of the creek. 2029 Comment
  CAS-BOT-BC219227  Ribes nevadense George W. Gillett 1957-7-19 857 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  UCR102417  Ribes nevadense L. C. Wheeler 1959-6-15 7569 Plumas Sierra Nevada Mtns., Middle Fork Feather River: McCarthy Mine, McCarthy Bar 1073 Comment
  SJSU7826  Ribes nevadense F. S. Gereb & C. L. Baker 1968-5-5 105 Plumas Deer Cr between Meadow Valley & Quincy 1219 Comment
  CHSC20732  Ribes roezlii K. R. Stern 1975-7-23 5899 Plumas W shore of Lake Almanor. 1371 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
  UC567236  Ribes roezlii E. Sawyer 1935-5-27 42 Plumas 3 mi nnw Kirby; Sierraville Quadrangle 1615 Comment
  RSA0018026  Ribes roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake. Sierra Nevada. Feather River watershed. 2134 Comment
  SEINET12216476  Ribes roezlii W. Knight, Knight, I. 1983-1 4942 Plumas confluence of North Fork of Feather River & Warner Creek on road between Chester & Drakesbad 1463 Comment
  CAS-BOT-BC186233  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-12 3462 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CAS-BOT-BC186221  Ribes roezlii var. roezlii John Thomas Howell 1960-7-18 35555 Plumas Drakesbad 1828 Comment
  JEPS102426  Ribes viscosissimum var. hallii Lowell Ahart 2001-6-4 8753 Plumas About 1/8 mile north of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  CAS-BOT-BC363067  Rigiopappus leptocladus Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  SEINET10473935  Rigiopappus leptocladus Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3822 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  SEINET10871492  Rorippa Mary Susan Taylor 1981-7-13 Taylor 4000 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  SEINET10904291  Rorippa Mary Susan Taylor 1982-9-7 Taylor 5099 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CAS-BOT-BC74639  Rorippa curvisiliqua L. P. Janeway 1992-11-4 4322 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Department. 1755 Comment
  SEINET10907258  Rorippa curvisiliqua Lowell Ahart 1985-7-11 Ahart 5127 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC94844  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-8 13397 Plumas Gravel bar, on the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC95017  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-23 13476 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS114341  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-9-10 15393 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 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
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  JEPS105840  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10999 -A Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  SD46573  Rosa gymnocarpa Robert J. Weatherby 1955-7-21 1644 Plumas Near junction of McCarthy Bar road and 4th Water Bear Creek Road, near Bottle Springs, Middle Fork, Feather River 1615 Comment
  CAS-BOT-BC149726  Rosa woodsii subsp. ultramontana Roxana S. Ferris; Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  CAS-BOT-BC149732  Rosa woodsii subsp. ultramontana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2372 Plumas Canyon of Butterfly Creek. Between Spanish Creek and Butterfly Valley Comment
  RSA88545  Rosa woodsii var. ultramontana J. T. Howell 1951-6-28 27664 Plumas Jamison Creek Canyon 1585 Comment
  CAS-BOT-BC422043  Rumex acetosella Lewis S. Rose 1968-6-10 68093 Plumas Quincy 1036 Comment
  CAS-BOT-BC422048  Rumex acetosella Lowell Ahart 1985-9-26 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte 1584 Comment
  CAS-BOT-BC422168  Rumex californicus John Thomas Howell 1976-7-16 51908 Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC97217  Rumex conglomeratus Lowell Ahart; Josephine Guardino 2007-7-20 14347 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC433319  Rumex crispus Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC433733  Rumex occidentalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC53063  Rumex paucifolius subsp. paucifolius L. P. Janeway 1989-6-20 3345 A Plumas Plumas National Forest Beckwourth Ranger District. Forest along SW side of Red Clover Valley. Openings of mostly bare soil in sagebrush. 1691 Comment
  CHSC43391  Sagina saginoides Lowell Ahart 1979-7-18 1997 Plumas Along a small stream, west of the dirt road, east of Finger Board Mountain, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CHSC43413  Sagina saginoides Lowell Ahart 1977-7-9 1454 Plumas Along the edge of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles northeast of La Porte. 1828 Comment
  JEPS102618  Sagina saginoides Lowell Ahart 2001-7-19 8941 Plumas Sand bars, on the banks 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-BC103624  Salix eastwoodiae Robert J. Weatherby 1950-9-1 1529 Plumas above [Hellgramite] Hellgrammite Pond near Long Lake, Lakes Basin Area 2225 Comment
  CAS-BOT-BC103630  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Trail to Elwell at spring on ridge, Gold Lake Region Comment
  SJSU12160  Salix eastwoodiae N. A. Hopkins 1976-6-26 851 Plumas margin of Round L , Lakes Recreation Basin 2057 Comment
  UC440201  Salix eastwoodiae H. M. Hall 1912-7-8 9312 Plumas Bunker Hill 2133 Comment
  CAS-BOT-BC103879  Salix exigua John Thomas Howell; H. Keith Wagnon 1980-5-26 53591 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  CHSC37015  Salix exigua M. S. Taylor 1982-6-14 4664 Plumas N side of Indian Creek, E side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. 1524 Comment
  OBI2891  Salix exigua Lewis S. Rose 1968-6-10 68090 Plumas Quincy 1036 Comment
  UC525904  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather R. ca. 5 mi s.w. of Prattville Comment
  CHSC118833  Salix laevigata Amy Rachkowski 2015-6-30 2015006 Plumas Plumas National Forest. Location along the northwest shore of the Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1600 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-BC125317  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-30 s.n. Plumas North of Meadow Valley Creek near road into University of California Forestry Camp Comment
  CHSC112117  Salix lasiandra var. lasiandra L. P. Janeway 2014-7-15 11555 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC107053  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Canyon 1066 Comment
  CAS-BOT-BC124788  Salix lemmonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54095 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC124800  Salix lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1881 Plumas At north end of Butterfly Valley proper 1036 Comment
  CHSC97167  Salix lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14036 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  CAS-BOT-BC125103  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  CAS-BOT-BC125108  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 397 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC481905  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC481906  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  CDA15370  Salix lucida subsp. lasiandra G. F. Hrusa, T. D. Wilfred 1997-6-26 13896 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC69909  Salix lucida subsp. lasiandra L. P. Janeway 1997-5-7 5118 Plumas Along north side of Red Clover Creek, 6.9 mi southeast of Indian Creek and 0.3 mi northwest of Notson Bridge (via Beckwourth-Genesee Road). 1554 Comment
  CHSC87996  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC92188  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2005-9-20 12453 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  SBBG32405  Salix melanopsis L. S. Rose 1968-6-10 Plumas Quincy 1036 Comment
  SD916  Salix melanopsis Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 396 Plumas North Fork of Feather River, at Chester, flood plain 1349 Comment
  CAS-BOT-BC125930  Salix prolixa David D. Keck 1932-7-3 1658 Plumas Meadow south of Spanish Creek, Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC129094  Salix scouleriana Walter Knight; Irja Knight 1966-9-12 1727 Plumas Beargrass Glade - Butterfly Botanical Area and vicinity. 1127 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
  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
  CHSC42668  Sanicula graveolens Vernon Oswald 1986-6-6 2092 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  JEPS25810  Sanicula graveolens John W. Duffield 1937-5-27 Plumas Meadow Valley, Grubstake Flats, southwestern Plumas County Meadow Valley; , Grubstake Flats Comment
  UC397358  Sanicula tuberosa Mrs. Jos. Clemens 1920-1 7004 Plumas Greenville Comment
  JEPS25809  Sanicula tuberosa John W. Duffield 1937-5-27 Plumas Meadow Valley, Grubstake Flats, southwestern Plumas County Meadow Valley; , Grubstake Flats 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
  SD7825  Sarcodes sanguinea Daniel Cleveland july 1882 Plumas Big Meadows Comment
  CAS-BOT-BC466212  Sarcodes sanguinea Alice Eastwood 1927-6-1 s.n. Plumas US Forest Reserve; on trail to Long Valley Comment
  SEINET8036319 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-1 1741 Plumas below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada, Plumas County Comment
  CAS-BOT-BC401520  Sarracenia flava M. S. Taylor 1982-9-2 5089 Plumas In Darlingtonia bog just s of the switchback, Butterfly Valley Botanical Area, ca. 1 mi w of Keddie 1188 Comment
  SEINET10904415  Sarracenia flava Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5089 Plumas T25N R9E ne/se sec 20. Greenville SW quad. Butterfly Valley Botanical Area, in bog just s of switchback, ca. 1 air mi w of Keddie. 3900 ft. 1189 Comment
  JEPS48753  Saxifraga californica John W. Duffield 1937-5-24 Plumas e of fairgrounds of Quincy (near Quincy Q, sw Plumas County) Comment
  JEPS104066  Saxifraga odontoloma Lowell Ahart 2003-8-13 10503 Plumas On the e side of Hopkins Creek, ca 30 yd south of where Hopkins Creek forks, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain, ca 10 1/2 mi (air) ne of La Porte. 1524 Comment
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  POM119341  Scheuchzeria palustris Anonymous 1897-7-5 s.n. Plumas Prattville Comment
  CHSC102184  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park. 1851 Comment
  SEINET3991677  Schoenolirion Unknown 1941-8-5 Plumas Keddie 1067 Comment
  CHSC61444  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-11 5785 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  CHSC55807  Schoenoplectus americanus Vernon H. Oswald 1991-9-11 4865 Plumas Lassen Volcanic National Park. Hot springs terrace on the south side of the meadow at Drakesbad. Along drainages on the slope south of Hot Springs Creek. 1731 Comment
  CHSC105672  Schoenoplectus subterminalis Lowell Ahart 2010-10-21 17312 Plumas East side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  RSA565015  Schoenoplectus subterminalis D. W. Taylor 1990-8-10 11435 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CAS-BOT-BC35589  Scirpus congdonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1393 Plumas Butterfly Botanical Area, Pond Reservoir 1097 Comment
  RSA66725  Scirpus congdonii J. T. Howell 1951-6-27 27602 Plumas McRae Meadow. 1982 Comment
  CAS-BOT-BC110860  Scirpus diffusus John Thomas Howell 1976-7-15 51870 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  UCSB19849  Scirpus microcarpus Myrick, Donald 1964-7-19 Plumas At Dream Lake, Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC76127  Scleranthus annuus subsp. annuus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3282 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1085 Comment
  JEPS93794  Sclerolinon digynum Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1998-6-11 9254 Plumas Rest Area on Highway 36 and Prattville (on s side of Lake Almanor); Lake Almanor 1389 Comment
  UC450432  Scutellaria siphocampyloides J. G. Lemmon 624 Plumas Indian Valley; High Sierra, Indian Valley Comment
  CHSC107434  Sedum obtusatum subsp. boreale Melanie Williams; Tim Hanson 2011-7-21 Plumas Northern High Sierra Nevada. Plumas National Forest; 1.1 air km northwest of Main Street, La Porte; just north of the neighborhood of La Porte Pines. 1570 Comment
  CHSC57277  Sedum obtusatum subsp. obtusatum L. P. Janeway 1984-9-1 1146 Plumas On Sierra crest southwest of Mt Elwell. 2164 Comment
  CHSC76129  Sedum spathulifolium G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3312 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek. 1341 Comment
  CHSC32525  Selaginella wallacei M. S. Taylor; L. Hanson 1981-3-5 3400 Plumas S side of Hwy 70, near Butte-Plumas county line. 548 Comment
  CHSC65092  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1995-7-24 7116 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC89472  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 203 Plumas Located in the Quincy District of the Plumas National Forest, above Middle Campground, Feather River Canyon. 1463 Comment
  CHSC52766  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek. 1767 Comment
  CAS-BOT-BC363792  Senecio integerrimus L. W. Swift 1933-6-7 83 Plumas Plumas National Forest. Fitch Canyon 1889 Comment
  CAS-BOT-BC363919  Senecio integerrimus var. exaltatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54238 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  CDA14133  Senecio integerrimus var. exaltatus G. F. Hrusa 1997-5-3 13823 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  UC177191  Senecio integerrimus var. exaltatus A. A. Heller and P. B. Kennedy 1907-7-5 8742 Plumas hills above Red Clover Valley Comment
  JEPS37434  Senecio integerrimus var. exaltatus W. L. Jepson 1927-6-23 12306 Plumas near Camp Kelly; Warner Creek 1584 Comment
  UCD135566  Senecio integerrimus var. exaltatus Grady L. Webster 1990-5-13 7731 Plumas Lee's Summit, 3 miles northwest of Cromberg. 1356 Comment
  CAS-BOT-BC364035  Senecio integerrimus var. major A. A. Heller; P. B. Kennedy 1907-7-5 8742 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC364036  Senecio integerrimus var. major Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1951 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC364393  Senecio triangularis Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC364398  Senecio triangularis Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1609 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen 1097 Comment
  JEPS37658  Senecio triangularis H. M. Wheeler 1944-8-23 637 Plumas near Cascade; South Fork Feather River, Pinchard Creek Comment
  CHSC70220  Sericocarpus oregonensis B. Castro; R. Fallscheer 1989-8-7 355 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rds 23N18, ca 0.4 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank Red Mtn. 1767 Comment
  CAS-BOT-BC364764  Sericocarpus oregonensis subsp. californicus John Thomas Howell 1959-9-21 34802 Plumas 4.5 miles from Virgilia on road to Quincy Comment
  CAS-BOT-BC240244  Setaria viridis John Thomas Howell 1959-9-21 34726 Plumas Belden 701 Comment
  RSA517869  Sidalcea J. T. Howell, G. H. True 1973-7-31 50142 Plumas On road from Janesville to Thompson Peak, Diamond Range 1905 Comment
  CHSC92051  Sidalcea gigantea L. P. Janeway 2005-9-4 8535 Plumas Northern High Sierra Nevada. Along Road 24N13 along the east side of Lynch Meadows. 1338 Comment
  CHSC9756  Sidalcea glaucescens Nancy Mosman 1971-7-17 150 Plumas In meadow 25 ft n of Hwy 32 ca. 3.8 mi s of Chester. 1493 Comment
  JEPS48723  Sidalcea glaucescens John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley, Grubstake Flats Comment
  POM186833  Sidalcea malviflora subsp. asprella D. D. Keck 1932-7-3 1692 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  SEINET10937543  Sidalcea malviflora subsp. asprella Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4341 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET11991682  Sidalcea oregana Detzer, Sacks 1977-1 12 Plumas along E side of USFS unimproved road, ca 4.8 km S of Laufman Ranger Stn 1833 Comment
  JEPS113545  Sidalcea oregana subsp. spicata Lowell Ahart, Josephine Guardino 2007-7-21 14371 Plumas Around pine trees, about 5 yards north of a large meadow, about 150 yards east of the bridge, about 60 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis 1793 Comment
  RSA60239  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-2 15631 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  CHSC67432  Silene bernardina James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2569 Plumas Top of Red Mtn. above Rich Gulch Rd., N of Hwy. 70. Comment
  JEPS50961  Silene californica W. L. Jepson 1939-8-7 19349 Plumas Meadow Valley 1158 Comment
  SD46527  Silene californica Robert J. Weatherby 1955-7-21 1649 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork of Feather River. 1540 Comment
  CAS-BOT-BC386987  Silene douglasii Ahart Lowell 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  RSA502369  Silene douglasii D. W. Taylor, Ingrid Olmsted 1974-8-24 5401 Plumas Lassen National Forest: Thousand Lakes Wilderness, vicinity of Magee Peak. 2439 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
  CAS-BOT-BC388992  Silene laciniata subsp. californica Wall 1939-6-1 s.n. Plumas Brush Creek Comment
  CAS-BOT-BC389377  Silene lemmonii John Thomas Howell 1961-6-21 36659 Plumas Greenville 1097 Comment
  CAS-BOT-BC389395  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CAS-BOT-BC389380  Silene lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1913 Plumas Butterfly Botanical Area and Vicinity. Darlingtonia bog 1097 Comment
  CAS-BOT-BC389396  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River 1554 Comment
  POM181049  Silene lemmonii A. A. Heller, B. B. Kennedy 1907-7-11 8814 Plumas Prattville. Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  SEINET3840897  Silene lemmonii G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-23 3142 Plumas 3.25 miles west of Round Valley Reservoir Dam, 0.25 miles east of junction with road to Canyon Dam (i.e. south arm of Lake Almanor 1630 Comment
  CAS-BOT-BC389558  Silene nuda David D. Keck 1938-8-9 4896 Plumas 1 mi. W. of Portola 1480 Comment
  CHSC36945  Sisymbrium altissimum M. S. Taylor 1982-9-13 5132 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  SD7505  Sisyrinchium Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC92133  Sisyrinchium bellum Lowell Ahart; John Dittes 2005-9-20 12447 Plumas The southwest area of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  SDSU11793  Sisyrinchium bellum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River 1/2 mile north of Chester Comment
  RSA232725  Sisyrinchium elmeri Larry E. DeBuhr, Gary D. Wallace 1972-5-21 593 Plumas Plumas Natl Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  UC1134653  Smilacina racemosa G. T. Nordstrom 1934-7-20 241 Plumas 1/2 mi nw Edmanton; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UCD149399  Solanum nigrum Collector Unknown 1927-9-1 s.n. Plumas Taylorsville. 1139 Comment
  NY820403  Solanum xanti J. M. Coulter 1876-1 s.n. Plumas Comment
  SEINET10872002  Solidago canadensis subsp. elongata Mary Susan Taylor 1981-7-17 Taylor 4030 A Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  UC1999885  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9305 Plumas CA-89, E of Canyondam, 10.5 km NW of Greenville. Comment
  CAS-BOT-BC365115  Solidago velutina subsp. californica John Thomas Howell 1924-8-11 620 Plumas 2 miles east of Chester Comment
  CAS-BOT-BC365123  Solidago velutina subsp. californica Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  UC485454  Solidago velutina subsp. californica Mrs. R. M. Austin 1896-8-1 493 Plumas Big Meadows Comment
  CAS-BOT-BC374404  Sonchus asper John Thomas Howell 1975-6-15 51130 Plumas Quincy 1036 Comment
  CAS-BOT-BC157315  Sorbus californica Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC157316  Sorbus californica Anna Head 1921-8-2 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC70277  Sorbus californica B. Castro; R. Zebell 1989-8-10 382 Plumas Ca 5 air mi S of Bucks Lake, just S of Green's Flat ca 0.3 mi E of USFS Rd 23N15 by narrow dirt road. 1700 Comment
  CHSC92177  Sorbus californica Lowell Ahart; John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  SD8504  Sorbus sambucifolia Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  HSC32084  Sparganium angustifolium R. F. Thorne, C. W. Tilforth 1969-9-6 39235 Plumas Along Feather River, 1 mi. SW of Beckwourth 1357 Comment
  RSA252435  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-6 39235 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  CHSC47592  Sparganium emersum subsp. emersum Lowell Ahart 1980-9-17 2657 Plumas On the south side of the lake, about 1/2 mile west of Fowler Peak, about 8 miles north of La Porte. 1524 Comment
  CHSC58543  Sparganium natans Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5038 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). At the W end of the lake. 1926 Comment
  SJSU9819  Spergularia atrosperma C. W. Sharsmith 1982-5-30 8670 Plumas flat bordering Marble Hot Springs, Sierra Valley 1524 Comment
  CHSC21084  Spergularia rubra F. T. Griggs; A. Pass 1975-7-2 54 Plumas Buck's Lake. Comment
  CAS-BOT-BC390684  Spergularia rubra John Thomas Howell; Gordon H. True 1974-7-29 50624 Plumas Quincy 1036 Comment
  RSA0098101  Spergularia rubra L. Ahart 1984-6-3 4657 Plumas On a road along Hwy 70, at Keddie, N of Quincy. 305 Comment
  JEPS113513  Sphenosciadium capitellatum Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14481 Plumas About 40 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis 1773 Comment
  HSC93212  Sphenosciadium capitellatum Vernon H. Oswald, L. Ahart 1996-8-1 8139 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  SEINET3157051  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas southern Plumas county; Lakes Center Public Campground 2042 Comment
  CAS-BOT-BC149663  Spiraea douglasii V. K. Kinzie 1924-8-1 s.n. Plumas Engelmine [Engel Mine] Comment
  JEPS45012  Spiraea douglasii W. L. Jepson 1918-8-16 8009 Plumas Engels; Lights Creek 1341 Comment
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  SEINET7707759  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET3892252  Spiranthes romanzoffiana D. W. McNeal 1990-8-9 3769 Plumas In the Butterfly Valley Botanical Area nw. of Quincy, Plumas Nat. For.; 0 Comment
  CHSC42986  Stachys ajugoides var. rigida L. P. Janeway 1984-7-13 909 Plumas Mdw near Grizzly Cr Campground, SW of Bucks Lake. 1584 Comment
  CDA13417  Stellaria borealis subsp. sitchana G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13265 Plumas Sierra Nevada; Plumas National Forest. Along Bull Run Creek off USFS 23N12E. Comment
  CHSC100045  Stellaria crispa Lowell Ahart 2008-8-13 15169 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC109726  Stellaria crispa B. Castro 2005-10-20 1529 Plumas High Sierra Nevada. Lake Davis/Grizzly Dam, ca 5 air mi N of Portola. On NNE-facing slope overlooking Big Grizzly Creek, ca 1000 ft downstream (SE) of dam and E of the main Lake Davis Rd (USFS Rd 24N07). 1734 Comment
  CHSC73942  Stellaria crispa B. Castro; L. P. Janeway 1998-8-29 834 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake. 1661 Comment
  CHSC80827  Stellaria crispa Lowell Ahart 2001-7-19 8942 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC391183  Stellaria longipes subsp. longipes Alice Eastwood 1927-6-17 14677 Plumas United States Forest Reserve. Long Valley Comment
  CAS-BOT-BC391188  Stellaria longipes subsp. longipes John Thomas Howell 1976-7-16 51900 Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  SD147594  Stellaria nitens Walter Knight, Irja Knight, et al. 1967-5-7 1838 Plumas West slope of Butterfly Valley near old barn. 1035 Comment
  CHSC82548  Stellaria obtusa Lowell Ahart 2002-7-18 9874 Plumas Along a small upper branch of Fall River, about 1 1/4 mile southwest of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1658 Comment
  CAS-BOT-BC375054  Stenotus acaulis Emily K. Mcpherson 1976-11-7 76- 32 -5 Plumas 5 mi. north of Beckwourth 2055 Comment
  CDA19249  Stenotus acaulis G. D. Barbe, T. C. Fuller 1982-6-17 3812 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  RSA164312  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Diamond Peak. 2287 Comment
  UC1523721  Stephanomeria exigua subsp. coronaria Gary Schoolcraft 1982-7-27 819 Plumas North of Chilcoot 1584 Comment
  CHSC32024  Stephanomeria lactucina L. Ahart 1974-8-15 608 Plumas Along edge of rd, along Eureka Ridge w of Jonesville, ca. 10 mi s of Sloat. 1828 Comment
  SEINET10610750  Stipa occidentalis Alan A. Beetle 1941-6-28 Beetle 2898 Plumas West side of Lake Almanor, mountain meadow in open pine forest. 1829 Comment
  CAS-BOT-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-BC87783  Streptanthus tortuosus John Thomas Howell 1966-7-26 41998 Plumas Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CAS-BOT-BC87797  Streptanthus tortuosus Lewis S. Rose 1963-6-2 63080 Plumas North Fork of Feather River. Rock Creek. 640 Comment
  JEPS20830  Streptanthus tortuosus S. Galen Smith 1958-7-25 Plumas on serpentine slope along Feather River Hwy (Alt. US 40) 2.2 mi e bridge over the North For