Search Results — 2000 specimen records retrieved (1423 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
  SEINET10896279  Abies Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4021 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
  NY201866  Abies concolor J. B. Walker 1994-8-4 876 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78093  Abies magnifica John Thomas Howell; Gordon H. True 1973-7-31 50065 Plumas summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC330984  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  CHSC70216  Acer glabrum var. torreyi B. Castro 1989-8-4 346 Plumas Ca 3.5 air mi SE of Bucks Lake, on N-facing flank of Mt. Ararat, ca 0.5 mi E of jct USFS Rds 23N19, 23N65, and the road to the top of Mt. Ararat. 1737 Comment
  RSA29665  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  CAS-BOT-BC333324  Acer macrophyllum John Thomas Howell 1963-6-3 39399 Plumas Sierra Nevada. Butterfly Valley Comment
  CHSC102083  Acer macrophyllum Lowell Ahart; John Dittes 2009-7-13 16047 Plumas On dry soil, near 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
  SBBG128285  Acer macrophyllum L. Ahart, J. Dittes 2009-7-13 16047 Plumas N side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 2.0 mi N of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC28730  Achillea millefolium Alice Eastwood 1927-6-12 14514 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  CHSC81089  Achillea millefolium Lowell Ahart 2001-8-29 9266 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC92186  Achillea millefolium Lowell Ahart; John Dittes 2005-9-19 12406 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
  CAS-BOT-BC28729  Achillea millefolium Anna Head 1941-8-4 s.n. Plumas Near Elwell, Feather River Region Comment
  UC1131589  Achnatherum hymenoides C. W. Hanks 1934-8-13 45 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC210702  Achnatherum lemmonii L. W. Swift 1933-6-13 85 Plumas Plumas National Forest. Bagley Pass 1828 Comment
  CHSC67748  Achnatherum lemmonii James D. Jokerst 1984-7-11 2100 Plumas Ward Creek Hydro Survey: Top of ridge on exposed bedrock S of Genesee Valley, W of Ward Creek. 1584 Comment
  SEINET232919 Image available Achnatherum lemmonii L. R. Firestone, H Firestone 1983-8-4 8310 Plumas Cottonwood Spring Campground site 15 8-10 mi north of Chilcoot 1692 Comment
  UCD50577  Achnatherum lemmonii Leo Whitney 1934-8-13 2216 Plumas Three miles east of the Cate Place. Big Grizzley Valley, Plumas National Forest, ca. 10 miles northwest of Portola. Plumas County. 1828 Comment
  CAS-BOT-BC216883  Achnatherum occidentale Clare B. Hardham 1978-8-11 218012 Plumas About 5 miles SE of Thompson Peak Comment
  CAS-BOT-BC216885  Achnatherum occidentale Clare B. Hardham 1970-8-8 17702 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC210848  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas Lassen Volcanic National Park. Below Sifford Lakes, along direct route to the Devils Kitchen 2057 Comment
  CHSC102063  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  JEPS454  Achnatherum occidentale subsp. californicum W. L. Jepson 1924-7-25 10648 Plumas Meadow Valley Comment
  RSA201302  Achnatherum occidentale subsp. californicum J. T. Howell 1960-7-20 35787 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  CHSC108144  Achnatherum occidentale subsp. occidentale Lowell Ahart 2011-9-17 17673 Plumas On bare open basalt, about 200 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 180 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  CAS-BOT-BC218039  Achnatherum stillmanii Lowell Ahart 1980-7-27 2487 Plumas E of Four Water Creek 1500 Comment
  SEINET5327447  Acmispon nevadensis var. nevadensis A. A. Heller, P. B. Kennedy 1907-7-16 8865 Plumas Grade between Genessee Valley and Summit Comment
  UC303090  Aconitum columbianum Marcus E. Jones, A. M. 1897-7-6 Plumas 13 mi. w. Prattville 1371 Comment
  CAS-BOT-BC391476  Aconitum columbianum subsp. columbianum E. K. Balls 1950-9-8 15717 Plumas Lakes Center Public Campground, southern Plumas County 2042 Comment
  CAS-BOT-BC391479  Aconitum columbianum subsp. columbianum Catherine Best 1983-8-29 876 Plumas Lakes Basin Campground 1920 Comment
  CAS-BOT-BC412613  Aconogonon alaskanum Paul F. Covel 1937-7-20 738 Plumas Pass east Buck's Ranch Comment
  CAS-BOT-BC391667  Actaea rubra Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET10573315  Actaea rubra subsp. arguta Taylor 1981-6-2 Taylor 3828 Plumas By creek 1189 Comment
  RSA59331  Actaea rubra subsp. arguta E. K. Balls 1950-9-10 15777 Plumas 1.5 miles along trail from Lakes Center Public Camp, to Long Lake outlet. 2012 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  CAS-BOT-BC29837  Adenocaulon bicolor David D. Keck 1932-7-3 1629 Plumas near Quincy, south of town 1066 Comment
  SEINET11708384  Adiantum aleuticum R. M. Austin n d s.n. Plumas no further locality Comment
  UCLA72430  Agastache urticifolia Joseph Andorfer Ewan 1934-7-16 8526 Plumas along s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  RSA59446  Agastache urticifolia E. K. Balls 1950-9-8 15724 Plumas Lakes Center Public Campground, Southern Plumas County. 2043 Comment
  SEINET7924849  Agastache urticifolia A. A. Heller 1907-7-9 8771 Plumas Prattville. Comment
  CAS-BOT-BC29435  Ageratina occidentalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC29437  Ageratina occidentalis Anna Head 1921-7-1 s.n. Plumas Lake Center Camp Comment
  RSA59187  Ageratina occidentalis E. K. Balls 1950-9-1 15614 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  CAS-BOT-BC29513  Agoseris W. Harnach; N. Harnach 1990-6-13 367 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  SBBG45694  Agoseris glauca var. laciniata C. B. Hardham 1961-6-16 7481 Plumas Diamond Peak [Diamond Mountain] 2133 Comment
  CDA28637  Agoseris grandiflora G. D. Barbe 1981-6-23 3089 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC29655  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1526 Plumas Butterfly Valley Botanical Area: area adjacent to pond reservoir 1097 Comment
  CAS-BOT-BC29657  Agoseris grandiflora var. grandiflora Thomas H. Kearney 1945-8-10 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  RSA726286  Agoseris heterophylla L. Ahart, John Dittes 2007-6-16 14099 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  RSA754958  Agoseris heterophylla L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15886 Plumas About 200 yards northwest of Lake Almanor Dam. 1422 Comment
  CAS-BOT-BC127594  Agropyron cristatum M. S. Taylor 1982-9-13 5138 Plumas Ramelli Ranch, in vicinity of Calpine Road (109) bridge over Feather River. Ca. 1 mile west of Beckwourth. 1487 Comment
  JEPS113924  Agrostis capillaris W. and N. Harnach 2000-8-2 971 Plumas Sierra VAlley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  UCD51873  Agrostis capillaris John Thomas Howell 1975-6-15 51129 Plumas Quincy. 1036 Comment
  CHSC81840  Agrostis exarata Lowell Ahart 2001-10-16 9384 Plumas On a bank on the south side of a small stream, and on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1365 Comment
  CAS-BOT-BC139618  Agrostis gigantea John Thomas Howell 1960-7-18 35521 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC139409  Agrostis hyemalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  RSA739743  Agrostis pallens L. P. Janeway 2007-7-13 9180 Plumas French Hill and western end of Red Mountain, near Rd.. 23N69; above the head of Frizier Creek. 1786 Comment
  CAS-BOT-BC138713  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC138715  Agrostis scabra Lowell Ahart 1980-10-6 2678 Plumas Sierra Nevada. About 1 mile south of La Porte. 1600 Comment
  CHSC95138  Agrostis scabra Lowell Ahart 2006-10-23 13493 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 Strawberry Valley. 1281 Comment
  JEPS113677  Agrostis scabra Lowell Ahart, Josephine Guardino 2007-7-20 14340 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SJSU13946  Agrostis scabra N. A. Hopkins 1985-8-27 1315 Plumas Grass Lake 1786 Comment
  RSA715708  Agrostis stolonifera L. Ahart, Josephine Guardino 2005-8-9 12298 Plumas In meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of the Boulder Creek Work Center at Antelope Lake. 1598 Comment
  CAS-BOT-BC138373  Aira caryophyllea var. caryophyllea John Thomas Howell 1967-6-23 42665 Plumas Sierra Nevada. Canyon of Butterfly Creek. 1036 Comment
  SD6422  Allium atrorubens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CHSC101844  Allium campanulatum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15873 Plumas About 1/3 miles (air) west of Lake Almanor Dam, east of Forest Road 27N01Y, gentle slopes south of a small stream. 1462 Comment
  CHSC53224  Allium campanulatum L. P. Janeway 1989-4-23 3395 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) just SE of Crocker Mdw. 1783 Comment
  CHSC80302  Allium campanulatum L. P. Janeway 1996-6-12 5010 Plumas Northern High Sierra Nevada. 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  CAS-BOT-BC466610  Allium campanulatum Hans Leschke 1954-7-3 s.n. Plumas 1/4 miles southeast of Boiling Springs Lake in dry soil 1859 Comment
  JEPS61505  Allium campanulatum W. I. Follett 1937-7-27 Plumas Rich Gulch; Rich Gulch Comment
  UCD138491  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville. Comment
  CHSC60506  Allium lemmonii L. P. Janeway; Jannice Cutler 1992-5-19 4189 Plumas Plumas National Forest. West side of Ross Ranch Meadow, ca 1/2 mi south of Middle Fork Feather River and ca 3 mi east of Portola. 1493 Comment
  SBBG100022  Allium platycaule B. Ertter, G. Schoolcraft 1989-7-3 8654 Plumas N side of Red Rock, ca. 8 air mi S of Susanville 2286 Comment
  CAS-BOT-BC474091  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, Along FS 28N03 between FS 27N25 and FS 26N16 Comment
  CAS-BOT-BC476727  Allium validum M. S. Taylor 1981-8-17 4024 Plumas Within 1/4 mi of Bear Lake trailhead, near Elwell Lodge, ca. 6 air mi S of Mohawk. 1981 Comment
  NY380653  Allocarya microcalyx A. A. Heller 1907-7-2 8680 Plumas Between Vinton and Peckwith Comment
  CHSC100321  Allophyllum integrifolium Lowell Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  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
  JEPS113798  Allophyllum integrifolium Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14049 Plumas 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS114527  Allophyllum integrifolium Lowell Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS124000  Allophyllum integrifolium Lowell Ahart 2015-7-4 20285 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  JEPS28608  Allophyllum integrifolium George W. Gillett 1957-7-17 785 Plumas gully off the inlet to Willow Lake; Lassen Volcanic Nat'l Park 1767 Comment
  POM181058  Allophyllum violaceum A. A. Heller, P. B. Kennedy 1907-7-4 8726 Plumas Ridge east of Red Clover Valley Comment
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 Comment
  CAS-BOT-BC171357  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1450 Plumas Butterfly Botanical Area and vicinity. In bed of Butterfly Creek at confluence of Spanish Creek 1021 Comment
  CDA13764  Alnus incana subsp. tenuifolia G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13499 Plumas Sierra Nevada; Tributary into upper Bull Run Creek off USFS 23N12E. 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
  SEINET5536223 Image available Alnus incana subsp. tenuifolia Clarissa Kimber 1961-1 277 Plumas Quincy Quadrangle; Snake Lake Road, 2.5 mi from turn off Hwy 89 at Elizabethtown Comment
  CHSC47602  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas About 1 mile north-east of Pilot Peak, along the dirt road from Onion Valley to Hpkins Creek, about 16 miles north-east of La Porte. 1737 Comment
  JEPS113770  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
  JEPS76235  Alopecurus aequalis W. L. Jepson 1939-8-12 19406 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  CAS-BOT-BC138117  Alopecurus aequalis var. aequalis Lowell Ahart 1985-7-3 5098 Plumas Little Grass Valley Reservoir and where the South Fork of the Feather River flows into the lake. 1584 Comment
  CAS-BOT-BC137993  Alopecurus geniculatus John Thomas Howell 1961-9-23 36875 Plumas Sierra Nevada. Cooks Creek near Englemine. 1082 Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  JEPS102577  Amaranthus californicus Lowell Ahart 2001-10-16 9366 Plumas On the south side of a small stream, below the high water line and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  CHSC21799  Amelanchier F. T. Griggs; A. Pass 1975-8-1 415 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC110938  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  CAS-BOT-BC136778  Amelanchier utahensis Alice Eastwood 1918-5-25 7017 Plumas Portola Comment
  CAS-BOT-BC26897  Amsinckia bullata Alice Eastwood 1927-6-11 14436 Plumas Crescent Mills. United States Forest Reserve. Comment
  JEPS24907  Amsinckia menziesii var. menziesii Heller and Kennedy 1907-7-15 8850 Plumas Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  UC127434  Amsinckia menziesii var. menziesii A. A. Heller with P. B. Kennedy 1907-7-15 8850 Plumas near mouth of Little Grizzly Creek below Genessee Comment
  UC134194  Anaphalis margaritacea Mrs. R. M. Austin 1879-10-1 88 Plumas Mount Dyer Comment
  UC485802  Anaphalis margaritacea H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 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
  SEINET10475559  Anaphalis margaritacea Mary Susan Taylor 1982-8-9 Taylor 4951 Plumas T26N R8E ne/ne sec 4. Almanor NE quad. End of spur rd off Seneca Rd (306), at Salmon Creek, ca. 2 air mi sw of Canyon Dam. 5000 ft. 1524 Comment
  JEPS14090  Angelica breweri W. L. Jepson 1939-7-31 19321 Plumas lower Spanish Peak, about 2 to 2 1/2 mi (by trail) from summit Spanish Peak 2042 Comment
  HSC71316  Angelica breweri J. M. DiTomaso 1980-8-28 1950 Plumas 1 mi E of Whitehorse campground, 1/2 mi W of Pacific Coast Trail on Hwy 70, 15 mi W of Quincy 1524 Comment
  SEINET10939787  Angelica breweri Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3896 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  CAS-BOT-BC59320  Antennaria argentea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54232 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy 1645 Comment
  CHSC95087  Antennaria dimorpha L. P. Janeway; B. Castro 2006-6-4 8664 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road. 1684 Comment
  RSA39730  Antennaria dimorpha Philip A. Munz 1947-5-16 11820 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC118834  Antennaria geyeri Wendy L. Boes 2015-6-27 2015027 Plumas Plumas National Forest. Located near Indian Creek, to northwest of Antelope Lake, in between Forest Service road 28N31 and 28N03. UTM 701358 E, 4453845 N, NAD83 Zone 10N. 1580 Comment
  UC485660  Antennaria geyeri Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC79970  Antennaria microphylla Arthur C. Barrett 1915-6-20 224 Plumas Boulder Creek, near the station 1645 Comment
  SEINET6755397 Image available Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC84757  Antennaria rosea subsp. rosea Anna Head 1921-7-5 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  SEINET10547816  Antirrhinum breweri Mary Susan Taylor 1981-7-26 Taylor 4113 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. On open rocky serpentine cliff, N side of Caribou Rd., 3.7 mi NE of its jct with Hwy 70 near Beldon. 853 Comment
  CDA41618  Antirrhinum vexillo-calyculatum subsp. intermedium D. Sanchez-Mata, P. Rodriguez-Rojo 1997-8-16 Plumas French Bar-Caribou. Plumas Natl. Forest. North Fork Feather River. Comment
  CHSC58033  Aphyllon purpureum Vernon H. Oswald; Lowell Ahart 1992-6-2 4978 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  CHSC21571  Apocynum androsaemifolium D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake. Comment
  HSC101699  Apocynum androsaemifolium Dillon North Davis 2013-6-20 29 Plumas 7.2 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1811 Comment
  UC1123479  Apocynum androsaemifolium C. G. Albertus 1935-7-20 217 Plumas 1 12/ mi. s.w. Lava Peak; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  CAS-BOT-BC397882  Aquilegia formosa Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  RSA95443  Aquilegia formosa J. T. Howell 1951-8-19 28170 Plumas 3 miles E of Rich Bar. 854 Comment
  UC1485463  Arabis constancei M. S. Taylor 1981-6-15 3893 Plumas ca. 2 mi. n.e. Meadow Valley (s. side of Bucks Lake Rd., ca. 50 ft e. of its junction w/ 24N29 (rd. to Deanes Valley)); Bucks Lake NE Quad. 1158 Comment
  SEINET10448412  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4474 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
  NY639723  Arabis holboellii var. pinetorum R. R. Halse 1977-5-22 1552 Plumas Along State Highway 89, 5.8 miles north of Quincy 960 Comment
  SEINET10841515  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-11 Taylor 3685 A Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CAS-BOT-BC407714  Arceuthobium abietinum C. R. Quick 1953-8-7 53 -121 Plumas SE of Meadow Valley Comment
  RSA201279  Arceuthobium americanum J. T. Howell 1959-9-22 34866 Plumas Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad. 1677 Comment
  JEPS115097  Arceuthobium californicum Lowell Ahart, John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  SEINET3239908  Arceuthobium californicum R. L. Mathiasen 2010-1 1014 Plumas 0.8 km from rd. to Bucks Lake on rd. to Silver Lake. 1250 Comment
  JEPS95546  Arceuthobium campylopodum Lowell Ahart 1994-6-29 7418 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  SEINET2140125  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -62 Plumas S. end of Long Lake. 2020 Comment
  CAS-BOT-BC24208  Arctostaphylos John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54266 Plumas Rocky summit ridge, Mt. Hough 2203 Comment
  RSA609442  Arctostaphylos L. C. Wheeler 1958-7-30 7354 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1584 Comment
Read comments
Mar 9 2007
  UCR84522  Arctostaphylos Gladys L. Smith 1976-6-7 4582 Plumas N end of summit area, secondary road between Rte. 70 and La Porte 1951 Comment
  CAS-BOT-BC38484  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-22 51359 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC40010  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  UC549454  Arctostaphylos nevadensis J. E. Adams 1934-5-13 818 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC40002  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 34876 Plumas 3 mi. s. of Lassen Park boundary on road to Chester 1828 Comment
  CAS-BOT-BC42121  Arctostaphylos patula Keith Wagnon; James T. Vale 1988-10-4 1819 Plumas ca. 2 mi. e. of town of Buck's Lake on old road - logging road 1/4 mi. north. 1511 Comment
  RSA609434  Arctostaphylos patula L. C. Wheeler 1958-7-29 7342 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CHSC23684  Arctostaphylos patula subsp. patula K. Stern; J. Cox 1975-7-24 Plumas W. side of Lake Almanor. Comment
  UCD59410  Arctostaphylos truei Walter and 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
  SD8177  Arenaria congesta Mrs. R. M. Austin 1882-1 Plumas Comment
  UC1730234  Arenaria congesta var. subcongesta L. P. Janeway 1998-6-24 5671 Plumas NE of Jordan Flat (Last Chance Creek, N side 600 ft N of Road 28N03 0.3 mi W of Road 101) 1792 Comment
  CAS-BOT-BC17390  Armoracia rusticana John Thomas Howell 1961-9-25 36960 Plumas Sierra Nevada. Portola. 1478 Comment
  CAS-BOT-BC82216  Arnica chamissonis A. A. Heller; P. B. Kennedy 1907-7-5 8750 Plumas Red Clover Valley Comment
  JEPS88490  Arnica chamissonis Vernon H. Oswald and Lowell Ahart 1996-7-15 8033 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n end of lake, at streams and marshy meadow extending e from Rd. 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  UC134177  Arnica chamissonis D. Cleveland 1882-7-22 Plumas Prattville Comment
  CAS-BOT-BC82119  Arnica chamissonis Mary Strong Clemens 1920-7-30 s.n. Plumas Feather River Meadows 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
  CHSC69696  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1997-9-18 8883 Plumas Forest Road 26N36 at its intersection with 26N74, ca. 1 mi west of the south end of Butt Valley Reservoir. 1396 Comment
  CHSC60508  Arrhenatherum elatius L. P. Janeway 1992-6-4 4214 Plumas Plumas National Forest. Between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  UCD56015  Arrhenatherum elatius B. Corbin 2001-6-7 1006 Plumas Susanville. North of Chilcoot. 1627 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
  CHSC113898  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -B 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
  JEPS122090  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. Comment
  JEPS122091  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -B Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  RSA716877  Artemisia douglasiana L. Ahart, John Dittes 2005-9-20 12454 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  UC1119542  Artemisia douglasiana C. W. Hanks 1934-9-6 70 Plumas e side Dixie Mtn.; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET6775444 Image available Artemisia dracunculus M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 68 -11 Plumas Road from Chilcoot to Frenchman's along Last Chance Creek 1707 Comment
  JEPS90449  Artemisia michauxiana Dean Wm. Taylor with Glenn Clifton 1990-6-25 11174 Plumas Mt. Thompson Diamond Mountains (n slope) 2301 Comment
  CHSC14083  Artemisia tridentata L. W. Blaisdell 1974-3-15 21 Plumas Abundant along Hwy 23 between Beckwourth and Sattley. 1219 Comment
  CAS-BOT-BC93477  Artemisia tridentata subsp. tridentata John Thomas Howell 1959-9-24 34970 Plumas Sierra Nevada - Beckworth 1487 Comment
  UC1119488  Artemisia tridentata subsp. tridentata R. Roseberry 1934-11-19 16 Plumas 1/2 mi n Bungalow; Plumas National Forest, Downieville Quadrangle 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
  UC1552742  Asclepias cordifolia Frederica Bowcutt 1985-6-6 555 Plumas about 15 air mi ne Quincy (along Beckwourth Genesee Road, 1 mi of Drum Bridge); Plumas National Forest Comment
  RSA189327  Asclepias speciosa L. S. Rose 1967-6-12 s.n. Plumas Twain, North Fork, Feather River 854 Comment
  CAS-BOT-BC478838  Asparagus officinalis Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC69587  Aspidotis densa Lewis S. Rose 1963-6-5 63135 Plumas E. branch, North Fork Feather River, 0.5 mi. n. of Rich Bar. 822 Comment
  UCR182892  Aspidotis densa G. D. Barbe, T. C. Fuller 1982-6-15 3709 Plumas On serpentine slope uphill, 0.8 mi. west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 mi. east of Red Hill Summit, Plumas National Forest 1555 Comment
  CAS-BOT-BC97475  Aster James T. Vale 1980-9-21 s.n. Plumas Road to Antelope Reservoir Comment
  CAS-BOT-BC97477  Aster Clare B. Hardham 1978-8-11 21803 Plumas Red Clover Creek Road 1219 Comment
  UCR63640  Aster alpigenus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0953 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  RSA716696  Aster integrifolius L. Ahart, John Dittes 2005-9-20 12424 Plumas Southwest side of Mud Lake, about 0.5 mile northeast of Eisenheimer Peak, about 0.75 mile south of Wilcox Valley. 2030 Comment
  SEINET10474434  Aster integrifolius Mary Susan Taylor 1982-8-30 Taylor 5077 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  RSA60262  Aster intermedius E. K. Balls 1950-9-1 15587 Plumas E shore of Long Lake, turning south from Mt. Elwell; Southern Plumas Co. 2104 Comment
  SEINET13709330  Aster occidentalis Lowell William Ahart, Lowell William Ahart 2001-1 9241 Plumas W Side of Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  RSA239258  Aster oregonensis R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42315 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  CAS-BOT-BC295357  Astragalus M. S. Taylor 1982-5-27 4545 Plumas E side of Dixie Canyon Rd (204), 0.1 mi n of its jct with Hwy 89 near Indian Falls 1097 Comment
  CAS-BOT-BC178759  Astragalus canadensis var. brevidens T. C. Fuller 1968-7-1 17319 Plumas Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton - Sierra Valley, Sierra Nevada 1524 Comment
  CAS-BOT-BC229057  Astragalus lemmonii W. Harnach; N. Harnach 1990-5-14 320 Plumas Sierra Valley. Feather River Ranch property. 4 miles north of Loyalton on Co. Rd. A-24 1493 Comment
  CHSC51063  Astragalus lentiformis L. P. Janeway 1989-6-23 3393 Plumas Plumas National Forest. Along rd 24N45Y ca 0.1 mi E of N end of Crocker Mdw. Within 25 ft of dirt road. 1752 Comment
  CAS-BOT-BC187163  Astragalus lentiginosus var. floribundus John Thomas Howell 1962-6-19 37877 Plumas Chilcoot 1524 Comment
  CAS-BOT-BC187165  Astragalus lentiginosus var. floribundus L. P. Janeway 1992-5-14 4184 Plumas Northeast side of Dotta Canyon 1.2 mi northwest of Dotta Neck along road (24N23) on northeast side of the canyon 1706 Comment
  CAS-BOT-BC205713  Astragalus pulsiferae James R. Shevock 1985-5-19 11161 Plumas Northern Sierra Nevada. Plumas National Forest, 5.1 miles north of Chilcoot on road to Frenchman Reservoir 1700 Comment
  RSA795985  Astragalus pulsiferae James R. Shevock 1985-5-19 11161 Plumas Plumas National Forest, 5.1 miles north of Chilcoot on road to Frenchman Reservoir. 1700 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  CHSC34272  Astragalus purshii M. S. Taylor 1981-5-10 3681 Plumas E side of Anelope Lake near Pioneer Cabin meadow, ca. 20 air mi ne of Taylorsville. 1536 Comment
  SEINET10452236  Astragalus purshii Mary Susan Taylor 1981-5-10 Taylor 3681 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
  SEINET5326182  Astragalus purshii var. purshii A. A. Heller, P. B. Kennedy 1907-7-4 8727 Plumas Ridge E of Red Clover valley Comment
  CHSC57429  Astragalus purshii var. tinctus L. P. Janeway 1991-5-14 3961 Plumas Plumas National Forest. 1 1/4 mi west of Delleker and Humbug Creek; 1/2 mi northwest of Hwy 70; ca 3 mi west of Portola. 1484 Comment
  CAS-BOT-BC193045  Astragalus purshii var. tinctus L. P. Janeway 1992-5-14 4183 Plumas North side of Dotta Neck in Dotta Canyon along road on northeast side of the canyon 1712 Comment
  CHSC88984  Astragalus webberi L. Hanson 1987-5-26 301 Plumas Plumas National Forest. South side of road, near Taylorsville. 1066 Comment
  NY658906  Astragalus webberi M. E. P. Ames s.n. Plumas Indian Valley Comment
  CHSC20755  Asyneuma prenanthoides K. R. Stern 1975-7-24 5872 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC69507  Athyrium filix-femina var. californicum Walter Knight; Irja Knight 1966-9-12 1728 Plumas Rubble gap, Butterfly Botanical Area and Vicinity. 1127 Comment
  CAS-BOT-BC69505  Athyrium filix-femina var. californicum E. K. Balls 1950-9-9 15749 Plumas W. of Lakes Center Public Camp running into e. end of small lake, southern Plumas County. 2042 Comment
  CHSC105673  Athyrium filix-femina var. cyclosorum Lowell Ahart 2010-10-21 17311 Plumas On the south side of a small wash, about 100 yards north of Fowler Lake, along the trail (poor road), 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
  JEPS107686  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2005-9-20 12441 Plumas Along a very small stream, east of the end of Forest Road 27N34, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2061 Comment
  CAS-BOT-BC17608  Athysanus pusillus John Thomas Howell 1951-6-28 27670 Plumas Sierra Nevada. Jamison Creek. 1584 Comment
  CHSC42081  Balsamorhiza deltoidea Kimber Hostetter 1986-4-12 12 Plumas On Hwy 89, 3.2 km from Hwy 70 Greenville turnoff, ca. 16 km S of Greenville. 1475 Comment
  UCD129524  Balsamorhiza deltoidea Elaine A. Ahrenholz 1962-4-18 35 Plumas 1 mile north of Greenville. Comment
  SEINET7239868 Image available Balsamorhiza sagittata A. Kowal, M. Ferguson, A. Onisko 2011-7-25 NV 030 -574 Plumas Great Basin, Grizzly Creek Ranch, on the Forested Hills side of the Meadow 1522 Comment
  CAS-BOT-BC16573  Barbarea orthoceras W. W. Wagner 1919-5-25 269 Plumas Vicinity of Quincy. Squirrel Creek. 1615 Comment
  CDA31974  Barbarea orthoceras L. Ahart, J. Dittes 2009-7-27 16165 Plumas Below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. Comment
  CHSC118665  Barbarea orthoceras Wendy L. Boes 2015-5-20 2015013 Plumas Plumas National Forest. Location southwest of Silver Creek, north of Forest Service 24N29X, west of 24N56, near Meadow Valley. UTM 663727 E, 4422262 N, NAD83 Zone 10N. 1160 Comment
  CAS-BOT-BC494126  Bassia hyssopifolia W. Harnach; N. Harnach 2000-8-23 999 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 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
  SEINET10869171  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CAS-BOT-BC76023  Berberis repens John Thomas Howell 1961-6-21 36702 Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC102170  Bidens cernua John Thomas Howell 1961-9-23 36871 Plumas Cooks Creek near Engelmine 1082 Comment
  SEINET7239964 Image available Bidens cernua E. K. Balls 1950-8-31 15565 Plumas Behind Forest Service Ranger Station, Quincy (American Valley) 1097 Comment
  CHSC34309  Bidens cernua var. cernua L. Ahart 1981-9-6 3084 Plumas On sandbar along Indian Creek, ca. 1/2 mi SW of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi SW of Crescent Mills. 1200 Comment
  CHSC34899  Bidens frondosa M. S. Taylor 1981-9-2 4268 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. 1371 Comment
  CAS-BOT-BC413052  Bistorta bistortoides Arthur C. Barrett 1915-6-21 222 Plumas Plumas National Forest. Lone Rock Valley 1645 Comment
  CHSC36676  Boechera breweri R. E. Preston 1982-4-29 270 Plumas At roadside; ca. 0.3 mi s of Hwy 70 bridge at Rock Creek. 518 Comment
  UC725633  Boechera breweri subsp. shastaensis A. A. Heller 1942-6-5 16500 Plumas 3 mi w Belden (on #24) Comment
  CAS-BOT-BC16135  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4476 Plumas North side of 27N92, ca. 2 air miles southeast of Canyon Dam. 1553 Comment
  CHSC61716  Boechera howellii Vernon H. Oswald; Lowell Ahart 1993-8-25 5876 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CAS-BOT-BC14109  Boechera pauciflora Doris Kildale Gillespie 1930-5-12 9316 Plumas 2 miles east of Chester. Comment
  CHSC101786  Boechera rectissima Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15857 Plumas Along the north road edge, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  SEINET5325195  Boechera rectissima R. C. Rollins, Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi NW of Beckwourth Comment
  SEINET3166407  Boechera retrofracta P. J. Alexander 2009-5-26 1045 -A, B Plumas East slope of the northern Sierra Nevada, north of Frenchman Reservoir, volcanic knob on the N side of Little Dooley Creek, 5.4 miles N of the Frenchman R. dam, 4.4 miles WNW of Crystal Peak, Plumas National Forest. 1786 Comment
  CHSC67192  Boechera sparsiflora James D. Jokerst 1987-5-28 2886 Plumas Ward Creek Canyon on edge SW of creek. 1463 Comment
  CHSC88964  Boechera suffrutescens L. Hanson 1988-7-26 328 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  CHSC89025  Boechera suffrutescens L. Hanson 1999-7-26 407 Plumas Plumas National Forest. So. Fork Feather River crossing of La Porte-Quincy road. 1645 Comment
  JEPS103254  Botrychium simplex Lowell Ahart 2002-9-8 9934 Plumas 4 air mi NW of La Porte; ; about 200 yards north of Lumpkin Ridge Road, about 3/4 mi (air) NE of Little Grass Valley Reservoir dam 1634 Comment
  CHSC82541  Botrychium simplex var. compositum Lowell Ahart; John Dittes 2002-6-17 9727 Plumas On the west side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1715 Comment
  CHSC82556  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 A Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  CHSC82558  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 B Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  JEPS99055  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9863 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  JEPS124511 Image available Brasenia schreberi Brad Davidson 1973-7-19 Plumas Plumas National Forest, Butterfly Valley. Comment
  SJSU4760  Brasenia schreberi C. W. Sharsmith 1969-6-19 7599 B Plumas Pond Reservoir [not Smith L--see annot], Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  CHSC69698  Brickellia californica Vernon H. Oswald; Lowell Ahart 1997-8-19 8870 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. 627 Comment
  CHSC117560  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas Steep slope on the south side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam 1857 Comment
  CAS-BOT-BC127713  Brickellia greenei L. P. Janeway 1990-9-27 3851 Plumas NW-facing slope above drainage 2/3 mi E of Cascade Cr and 1/4 mi S of Little Grizzly Cr., Plumas County, California, United States, 5850.0 ft Comment
  CAS-BOT-BC484272  Brodiaea elegans subsp. elegans Mary Wells 1986-6-11 780 Plumas Gold Lake Road between Graeagle and Gold Lake Comment
  UC143028  Brodiaea minor Mrs. A. L. Coombs 1902-7-7 Plumas Prattville Comment
  UCD32649  Bromus carinatus Beecher Crampton 1954-7-5 2041 Plumas Plumas County, 1.5 miles north of Greenville, along highway 89. 1127 Comment
  CAS-BOT-BC148701  Bromus carinatus var. marginatus George W. Gillett 1957-7-17 794 Plumas Lassen Volcanic National Park. Moist gully running into stream running from Little Willow Lake into Willow Lake. 1767 Comment
  CAS-BOT-BC155311  Bromus inermis Mary S. Clemens 1920-6-14 3 Plumas Greenville. Comment
  SJSU11269  Bromus japonicus S. H. Casey 1980-6-18 1161 Plumas Butterfly Valley c. 3 mi W of Keddie 1066 Comment
  JEPS102748  Bromus orcuttianus Lowell Ahart 2001-7-23 8998 Plumas Along the edge of the dirt road, near sign of stagecoach robbery, about 1/2 mile north of Humboldt Summit. 1828 Comment
  CHSC112087  Bromus suksdorfii L. P. Janeway 2014-7-15 11524 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC161362  Bromus tectorum Hatton; Jardine; Cayot 1914-9-12 117 Plumas Plumas Forest. Mohawk Valley. 1371 Comment
  CHSC101842  Bromus tectorum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15866 Plumas About 1/3 miles (air) west of Lake Almanor Dam, near cut bank of Forest Road 27N01Y, along the north road edge. 1462 Comment
  CHSC24263  Bromus tectorum K. R. Stern 1975-7-24 Plumas SE side of Lake Almanor. Comment
  CHSC24268  Bromus tectorum K. R. Stern 1975-7-24 Plumas SE side of Lake Almanor. Comment
  LA13855  Bromus tectorum Joseph Andorfer Ewan; 1934-7-19 8249 Plumas Mohawk Valley, Dentens 1615 Comment
  UC1131294  Bromus tectorum C. W. Hanks 1934-8-8 17 Plumas 1 mi nw of Sierra Valley (Plumas National Forest); Plumas National Forest 1524 Comment
  CHSC80902  Bromus vulgaris Lowell Ahart 2001-7-19 8949 Plumas On the sides 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
  RSA700313  Bromus vulgaris L. Ahart 2004-7-27 11314 Plumas along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  CAS-BOT-BC185350  Calamagrostis canadensis Lowell Ahart 1980-10-6 2662 Plumas Sierra Nevada. Lake, 0.5 mile west of Fowler Peak. 1700 Comment
  CHSC92116  Calamagrostis canadensis Lowell Ahart; John Dittes 2005-9-20 12429 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  CHSC74139  Calliscirpus brachythrix B. Castro 1998-8-20 824 Plumas Ca 3.5 air mi S of Bucks Lake, 100 ft W of USFS Rd 23N15 as it heads S, ca 0.7 mi SE of its jcn with Rds 23N18 and 23N69. At E edges of moderate-sized meadow near headwaters of East Branch Coldwater Creek. 1761 Comment
  UC1103464  Calochortus coeruleus Mrs. Mabel Dopplmaier 1949-6-18 Plumas near Johnsville Comment
  CAS-BOT-BC487766  Calochortus coeruleus Alice Eastwood 1927-6-11 14456 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC487769  Calochortus coeruleus Lewis S. Rose 1963-6-3 63104 Plumas Butterfly Valley, 2 miles SW of Keddie 1188 Comment
  CHSC44095  Calochortus leichtlinii Lowell Ahart 1979-7-18 1970 Plumas Near the Quincy La Porte Road, about 1/8 mile south of Onion Valley, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1920 Comment
  CAS-BOT-BC491837  Calochortus leichtlinii Clarence R. Quick 1952-6-29 52 -70 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  RSA122279  Calochortus leichtlinii E. Sawyer 1935-6-4 70 Plumas 3.25 miles southeast of Beckwith Butte 1585 Comment
  UC1523727  Calochortus leichtlinii Gary Schoolcraft 1982-6-9 691 B Plumas near Beckwourth; Sugar Loaf Mtn. 1706 Comment
  CAS-BOT-BC493424  Calochortus nudus Lewis S. Rose 1963-6-3 63111 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  JEPS61702  Calochortus nudus Esther C. Fritz 1933-6-28 Plumas near Rock Creek Comment
  SEINET10475213  Calycadenia truncata Mary Susan Taylor 1981-8-31 Taylor 4250 Plumas California: T22N R13E sw 1/4 sec 22. Sierra City NE quad. Headwaters of Calf Pasture Creek, ca. 4 mi E of Clio. Plumas County. 5600 ft. 1707 Comment
  RSA71059  Calycanthus occidentalis L. S. Rose 1951-6-24 51082 Plumas Feather River Canyon, near Rock Creek. 549 Comment
  CHSC89819  Calyptridium monospermum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3369 Plumas Sierra Nevada. Walker Plains. Along the Plumas-Butte county line. 1554 Comment
  JEPS108836  Calyptridium monospermum Lowell Ahart 2006-6-28 12897 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, small open area of bare basalt 1514 Comment
  UC1136666  Calyptridium monospermum G. T. Nordstrom 1934-7-3 162 Plumas 3/4 mi s of Mount Ararat; Plumas National Forest 1645 Comment
  CHSC82479  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  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
  UCD100485  Calyptridium umbellatum Michael A. Vincent 1999-6-8 8543 Plumas Plumas National Forest; Beckwourth Ranger District. Along Rt. A23, just south of Rt. 70, southwest of Beckwourth. Comment
  SEINET7125762  Calystegia fulcrata subsp. malacophylla M. J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1067 Comment
  SEINET10969186  Calystegia malacophylla Mary Susan Taylor 1982-6-16 Taylor 4681 Plumas T24N R10E swnw sec 33. Spring Garden quad. Open rdcut, along spur rd off 24N26-Thompson Creek Rd (0.2-0.3 mi from its jct), ca. 3 mi se of Quincy. Mixed Evergreen Forest; 4600 ft. 1402 Comment
  JEPS102938  Calystegia malacophylla subsp. malacophylla L. P. Janeway 2001-7-3 7257 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek 1567 Comment
  CAS-BOT-BC221247  Calystegia malacophylla subsp. malacophylla M. S. Taylor 1982-6-16 4681 Plumas Off Thompson Creek Rd (24N26), ca. 3 mi se of Quincy 1402 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
  UCSB13456  Camassia leichtlinii 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC496986  Camassia leichtlinii subsp. suksdorfii Walter Knight; Irja Knight 1966-6-18 1369 Plumas Near the spring, Butterfly Valley 1127 Comment
  UCD138331  Camassia leichtlinii subsp. suksdorfii Alva Day 1939-5-31 s.n. Plumas Cascade Creek. Comment
  RSA369199  Camassia quamash subsp. breviflora George Willet 1935-6-4 s.n. Plumas Vinton Comment
  UC119748  Camassia quamash subsp. breviflora T. S. Brandegee 1892-7-2 Plumas Prattville Comment
  CAS-BOT-BC497561  Camassia quamash subsp. breviflora A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  RSA641884  Camassia quamash subsp. breviflora Michael A. Vincent 1999-6-8 8546 Plumas Red Clover Valley, along FS RT 70, 0.5 mile N of FS 177/CA111 Comment
  UC119746  Camassia quamash subsp. breviflora Mrs. R. M. Austin 409 Plumas California Comment
  JEPS61557  Camassia quamash subsp. quamash W. L. Jepson 1910-6-14 4123 Plumas Prattville, Big Meadows Big Meadows; Prattville, Big Meadows 1310 Comment
  UCD103267  Camissonia contorta A. A. Beetle 1941-6-28 2892 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC160889  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller; P. B. Kennedy 1907-7-4 8733 Plumas Meadow two miles south of Red Clover Valley Comment
  RSA726453  Camissonia tanacetifolia subsp. tanacetifolia L. Ahart, John Dittes 2007-6-17 14194 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
  CAS-BOT-BC160886  Camissonia tanacetifolia subsp. tanacetifolia T. Mosquin; J. M. Gillett 1963-7-14 5302 Plumas Middle Fork of Feather RIver just N of Mohawk Comment
  UCD19156  Camissoniopsis micrantha June McCaskill 1956-5-5 411 Plumas Lake Almanor region? Comment
  JEPS49079  Campanula prenanthoides Lewis S. Rose 1966-7-26 66049 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  SEINET196206 Image available Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge. 1067 Comment
  RSA261563  Campanula prenanthoides James I. Mallory 1969-8-21 349 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte, Plumas National Forest. 1524 Comment
  SEINET10462882  Campanula prenanthoides Austin AUSTIN 546 Plumas HILLS SOUTH OF QUINCY Comment
  SEINET10463002  Campanula prenanthoides Knight 1967-9-16 KNIGHT 2250 Plumas Fern Glen 1097 Comment
  CHSC58259  Cardamine breweri Lowell Ahart 1992-5-25 6778 Plumas Along the edge of Hopkins Creek, about 1/2 mile south of Turkey Town, west of Blue Nose Mountain. 1828 Comment
  RSA101463  Cardamine breweri R. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  CAS-BOT-BC37825  Cardamine nuttallii Mary Strong Clemens 1920-4-3 s.n. Plumas Greenville. Comment
  CAS-BOT-BC38100  Cardamine pachystigma Mrs. Joseph Clemens 1920-4-24 s.n. Plumas Greenville. Comment
  UC1730270  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas Rich Bar, E side of ravine draining to East Branch North Fork Feather River, above Hwy 70; on the talus slope and almost to the edge of the creeklet 1706 Comment
  CAS-BOT-BC18366  Carex Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1674 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC18348  Carex John Thomas Howell 1962-6-16 37642 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  CAS-BOT-BC18361  Carex John Thomas Howell 1951-6-26 27536 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET11152736 Image available Carex abrupta Lowell Ahart, John Dittes and Josephine Guardino 2009-1 16111 Plumas 1302 Comment
  CAS-BOT-BC18589  Carex abrupta L. P. Janeway 1990-7-2 3752 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. 1859 Comment
  UC822483  Carex acutina A. A. Heller with P. B. Kennedy 1907-7-9 8784 Plumas Comment
  CHSC64140  Carex amplifolia B. Castro; R. A. Schlising 1987-7-21 179 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  JEPS101186  Carex amplifolia Dean W. Taylor 2000-9-14 17590 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  CAS-BOT-BC17927  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CAS-BOT-BC17941  Carex angustata John Thomas Howell 1967-6-23 42708 Plumas Sierra Nevada. Butterfly Valley. 1066 Comment
  CHSC108473  Carex angustata Lowell Ahart 2011-9-20 17694 -A Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1593 Comment
  CHSC65591  Carex angustata L. P. Janeway 1995-7-23 4870 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Road 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  CHSC84926  Carex angustata L. P. Janeway; B. Castro 2003-9-6 7978 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  JEPS117646  Carex angustata Lowell Ahart 2010-7-27 16931 Plumas North side of Forest Road 22N68, about 150 yards north of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir 1634 Comment
  SEINET13327082  Carex angustata A. A. Heller, P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CAS-BOT-BC17925  Carex angustata George Wilson Gillett 1957-7-19 850 Plumas Lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  CAS-BOT-BC19724  Carex athrostachya John Thomas Howell 1951-6-28 27646 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CAS-BOT-BC19742  Carex athrostachya W. R. Dudley 1909-8-27 s.n. Plumas Sierra Valley. Dry Creek bed near East Hot Springs. Comment
  CHSC53561  Carex athrostachya L. P. Janeway 1989-7-11 3475 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  CHSC84895  Carex athrostachya L. P. Janeway; B. Castro 2003-9-6 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  JEPS102679  Carex athrostachya Lowell Ahart 2001-8-28 9194 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  OBI6460  Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy 1036 Comment
  SEINET4292086 Image available Carex athrostachya L. Ahart, Dittes, J 2007-1 14165 Plumas Yellow Pine Forest, west bank of Red Clover Creek, about 30 yards east of County Road 111(Beckwourth Gensee Road),about 1/4 mile east of bridge acroos Red Clover Creek, Red CloverValley, about mi(air) north of the north end of Lake Davis Comment
  CAS-BOT-BC19135  Carex aurea Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad. Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  JEPS106374  Carex aurea Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 Plumas Edge of a small seep, 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
  CAS-BOT-BC19094  Carex aurea George Wilson Gillett 1957-7-19 847 Plumas lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  JEPS113811  Carex bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14457 Plumas About 10 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  CAS-BOT-BC19529  Carex bolanderi L. P. Janeway; Garrett Gibson 1991-8-2 4101 Plumas Plumas National Forest. Beckwourth Ranger District. Southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC19530  Carex bolanderi W. I. Follett 1946-5-27 s.n. Plumas Rich Gulch. Comment
  CDA33045  Carex bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3277 Plumas China Grade Road, 1.4 miles south of Taylorsville. Comment
  CAS-BOT-BC19633  Carex brainerdii John Thomas Howell 1951-6-28 27726 Plumas Eureka Lake. 1889 Comment
  JEPS28361  Carex brainerdii George W. Gillett 1957-7-13 758 Plumas slope below Sifford Lakes (along direct route to the Devil's Kitchen); Lassen Volcanic National Park 2057 Comment
  SEINET10752414  Carex brainerdii Lawrence P. Janeway 1984-7-22 Janeway 929 Plumas Bucks Lake SE quad T23N, R8E, border of secs. 20, 29. Summit above Lookout Rock, 1 1/2 mi. NE of Mt Ararat. 1815 Comment
  UCD140197  Carex brainerdii L. P. Janeway 1996-6-4 4985 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  JEPS105622  Carex canescens L. P. Janeway 2003-7-19 7904 Plumas High Cascade Range. South edge of marsh at southeast end of Willow Lake 1656 Comment
  UCD140238  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC20084  Carex echinata Walter Knight; Irja Knight 1966-6-18 1631 Plumas Butterfly Botanical Area and Vicinity. Area adjacent to Pond Reservoir. 1097 Comment
  RSA189384B  Carex echinata subsp. echinata L. S. Rose 1967-6-12 67112 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SD130391  Carex echinata subsp. echinata John Thomas Howell 1962-6-17 37656 Plumas Sierra Nevada; Butterfly Valley. 1036 Comment
  CAS-BOT-BC20118  Carex feta Thomas H. Kearney 1944-8-14 23 Plumas Near Prattville.Lake Almanor. Comment
  JEPS63723  Carex feta W. L. Jepson 1910-6-16 4140 Plumas Quincy American Valley, Quincy 1036 Comment
  CAS-BOT-BC20693  Carex fracta John Thomas Howell 1960-7-19 35676 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC76811  Carex fracta G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3059 Plumas 10.6 miles NE of La Porte on La Porte-Quincy Road; 8.3 miles NE of junction, Little Grass Valley Reservoir Road, headquarters of South Fork Feather River. 1889 Comment
  JEPS107618  Carex fracta Lowell Ahart, Josephine Guardino 2005-8-9 12289 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CHSC60160  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. 1897 Comment
  CHSC56887  Carex heteroneura var. heteroneura L. P. Janeway 1991-8-3 4112 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek 2 mi west of Smith Peak and below 'Five Points. 1981 Comment
  CHSC105970  Carex hoodii Lowell Ahart 2010-10-21 17303 Plumas Open dry meadow, about 100 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  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
  CAS-BOT-BC7747  Carex integra Lewis S. Rose 1954-5-30 54066 Plumas Johnsville. 1600 Comment
  JEPS87742  Carex integra Lowell Ahart 1994-6-15 7343 Plumas near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 200 yards e of a logging road, about 1 mile (air) w of Little Grass Valley Reservoir) 1767 Comment
  JEPS107609  Carex jonesii Lowell Ahart, Josephine Guardino 2005-8-10 12323 Plumas Bog in small wet meadow, 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
  UCD108007  Carex jonesii Tim Kuhn 2006-6-18 58 Plumas adjacent to Crocker Guard Station. Comment
  UC2015874  Carex jonesii Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4398 Plumas Lassen Volcanic National Park. Wet meadow below Drakesbad; logging area. Comment
  UC1594587  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
  JEPS106375  Carex lemmonii Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11156 Plumas Edge of a small seep, 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
  SEINET3902676  Carex lemmonii Lewis S. Rose 1963-6-3 63097 Plumas Butterfly Valley, 2 mi. SW of Keddie.; 0 1189 Comment
  SEINET7485356 Image available Carex lemmonii L. S. Rose 1967-1 67151 Plumas Butterfly Valley 1097 Comment
  SEINET7564600 Image available Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas On the east side of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1753 Comment
  SJSU13951  Carex lenticularis var. impressa N. A. Hopkins 1985-8-27 1311 Plumas Grass Lake 1786 Comment
  CDA33103  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas A large meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. Comment
  CHSC84928  Carex lenticularis var. lipocarpa L. P. Janeway 2003-9-20 8001 Plumas Northern High Sierra Nevada. Along edges of Round Lake, especially at the outlet; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. 2047 Comment
  CDA36399  Carex leporinella G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3319 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  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
  CHSC110372  Carex luzulina Lowell Ahart 2012-9-5 18445 Plumas Along the south side of the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  SEINET7485495 Image available Carex luzulina F. J. Hermann 1955-1 11954 Plumas Bluff Falls Camp, Lassen Volcanic National park 2286 Comment
  CAS-BOT-BC32071  Carex multicaulis John Thomas Howell; R. C. Barneby 1954-5-14 29555 Plumas 2 mi E of Blairsden 1493 Comment
  CAS-BOT-BC32228  Carex multicostata Janet Jones 1980-7-16 214 Plumas Frazier Falls area 1828 Comment
  CHSC65600  Carex nebrascensis L. P. Janeway 1995-8-4 4888 Plumas About 1.4 mi north-northeast of Dixie Mountain Lookout; springy meadow between Lookout Creek and Road 25N03. 2026 Comment
  SEINET13395624  Carex nebrascensis M. Foster 1988-9-8 s. n. Plumas Adjacent to Cow Creek in U.S.F.S. range allotment, 1/4 miles W of Lake Davis, 9 mi NNW of Portola 1762 Comment
  CHSC47010  Carex nervina L. P. Janeway 1989-8-4 3555 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  CHSC55565  Carex nervina L. P. Janeway 1990-6-27 3732 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  JEPS107702  Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 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
  SEINET7568762 Image available Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 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
  UCR115311  Carex nervina G. D. Barbe, T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Meadow below Mud Lake, 0.75 mi northeast of Eisenheimer Peak. 2098 Comment
  CAS-BOT-BC119687  Carex nervina Catherine McWilliams 1971-9-1 794 Plumas Eureka Ridge, Plumas - Eureka State Park. 2255 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
  CHSC89750  Carex pachystachya L. P. Janeway; Robert F. C. Naczi 2004-7-24 8187 Plumas High Cascade Range. Large willow meadow along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. South edge of the meadow. 1740 Comment
  CAS-BOT-BC119192  Carex pachystachya L. P. Janeway 1989-6-16 3333 Plumas Grizzly Valley quad, West end of Grizzly Valley. 1783 Comment
  CHSC98248  Carex pellita Allison Sanger 2002-9-9 Plumas Lassen National Forest. Near the North Fork Feather River at Locherman Canyon Outdoor Classroom. 1536 Comment
  CHSC41154  Carex rossii L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-9 1206 Plumas Slopes northeast of confluence of Hungry Cr and Indian Cr, 15 mi e of Taylorsville on road to Antelope Res. 1554 Comment
  CAS-BOT-BC118135  Carex rossii John Thomas Howell; R. C. Barneby 1954-5-14 29556 Plumas 2 mi E of Blairsdan 1493 Comment
  CAS-BOT-BC117898  Carex scabriuscula John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54148 Plumas 2.65 miles W of Round Valley Reservoir dam. 1569 Comment
  UC1552734  Carex senta Frederica Bowcutt 1985-6-6 569 Plumas ca. 15 air mi. n.e. Quincy (s.w. of Babcock Peak ca. 3 air mi., along Last Chance Creek); Last Chance Creek Comment
  CHSC60503  Carex sheldonii L. P. Janeway 1992-6-4 4218 Plumas Plumas National Forest. Small pond at far edge of gravel bar along northeast side of Middle Fork Feather River at mouth of Bonta Creek; below the Mohawk Ranger Station. 1316 Comment
  CHSC97294  Carex sheldonii Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14464 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS49039  Carex spectabilis Leland S. Smith 1927-8-10 2167 Plumas above Gold Lake, w end; Tahoe National Forest 2194 Comment
  SD130396  Carex straminiformis John Thomas Howell, Gordon H. True 1973-7-31 50084 Plumas Sierra Nevada Mountains; Canadian Zone forest; Diamond Range; summit ridge of Thompson Peak in areas of volcanic rock. 2194 Comment
  CDA13364  Carex subfusca G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13213 Plumas Sierra Nevada; N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CDA14577  Carex subfusca G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3058 Plumas Headwaters of S Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC112376  Carex subfusca L. P. Janeway 2014-7-16 11546 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley creek in the middle of Happy valley. Comment
  CHSC48062  Carex subfusca L. P. Janeway 1987-6-20 2278 Plumas Ravine on N side of S Br Middle Fk Feather River below Whiskey Hill. 1158 Comment
  UC1133467  Carex subfusca G. T. Nordstrom 1934-7-2 165 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC115410  Carex utriculata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54182 Plumas Long Valley at road to Maxwell Mine. 1633 Comment
  CHSC115515  Carex utriculata Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20424 Plumas On the northwest side of Duck Lake (near Blue Lake), 1180 feet north of Forest Service Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CHSC57141  Carex utriculata L. P. Janeway 1991-8-4 4128 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Geness 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
  CHSC92305  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
  JEPS116061  Carex whitneyi Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15907 Plumas About 100 yards northwest of Lake Almanor Dam 1421 Comment
  CAS-BOT-BC249012  Castilleja F. Thos. Griggs 1975-1-1 308 Plumas Bucks Lake area Comment
  CDA14664  Castilleja applegatei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3104 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC249709  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CAS-BOT-BC249727  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4826 Plumas Soda Creek Rd ca. 1 mi s of Onion Flat, ca. 3 mi n of Twain 1463 Comment
  CAS-BOT-BC249733  Castilleja applegatei subsp. pinetorum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CAS-BOT-BC249735  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1929-6-21 5777 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC249752  Castilleja applegatei subsp. pinetorum Mary E. Wall 1939-6-25 s.n. Plumas Brush Cr. ranger station Comment
  JEPS102614  Castilleja applegatei subsp. pinetorum Lowell Ahart 2001-7-17 8923 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS10977  Castilleja applegatei subsp. pinetorum W. I. Follett 1942-7-27 132 Plumas Deadwood Summit 1386 Comment
  JEPS17618  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-22 5439 Plumas just off Feather River Highway (U.S. Alt. 40) (along Rock Creek road (P.G.&E Co.)); Rock Creek 472 Comment
  JEPS81463  Castilleja applegatei subsp. pinetorum M. S. Taylor and H. Swanson 1982-8-11 4966 Plumas ca 5 mi sw Johnsville (on ridge between Florentine Canyon and Spencer Lakes); Sierra City NW Quad. 2133 Comment
  JEPS81466  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-9 4945 Plumas ca 3 air mi sse Canyon Dam (just n of Rattlesnake Hill, on e side of 26N16Y); Almanor NE Quad. 1859 Comment
  JEPS84873  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-9-10 4271 Plumas ca 3 mi w Indian Falls; Head of Bullfrog Ravine, Almanor SE Quad. 1737 Comment
  RSA715706  Castilleja applegatei subsp. pinetorum L. Ahart, Josephine Guardino 2005-8-10 12301 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  RSA88399  Castilleja applegatei subsp. pinetorum J. T. Howell 1951-6-28 27715 Plumas Eureka Peak. 2195 Comment
  SEINET10582742  Castilleja applegatei var. fragilis John Thomas Howell, Gordon H. True; Margaret J. Williams 1973-7-31 Howell 50126 Plumas On road from Janesville to Thompson Peak, Diamond Range. 1981 Comment
  CHSC21672  Castilleja arachnoidea D. Brink 1975-7-6 Plumas Ravine at NW end of Mud Lake. Comment
  CHSC37292  Castilleja arachnoidea M. S. Taylor 1982-8-18 5013 Plumas Dry open slopes on Mt Ingalls summit, ca. 9 air mi ne of Sloat. 2551 Comment
  CHSC52832  Castilleja arachnoidea Rimo Bacigalupi; Aldo Bacigalupi 1952-8-19 3951 Plumas On slopes to the east of Long Lake. 2042 Comment
  CHSC63474  Castilleja arachnoidea Lowell Ahart 1994-7-20 7479 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  UC1075741  Castilleja arachnoidea Robert J. Weatherby 1955-7-26 1659 Plumas near Spanish Peak Lookout 2164 Comment
  JEPS62839  Castilleja campestris subsp. campestris John Weiler 1970-7-2 70178 Plumas 5.8 mi n Highway 49 (w of Loyalton, along Harriet Lane) 1524 Comment
  CAS-BOT-BC254064  Castilleja miniata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS9765  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas 2 mi from Spanish Peak summit (halfway between Meadow Valley and Buck's Valley, lower slopes of Spanish Peak); Spanish Peak 2042 Comment
  RSA296389  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas Spanish Peak (2 miles from summit). 2043 Comment
  UC170982  Castilleja miniata H. M. Hall 1912-7-25 9374 Plumas Middle Fork Feather River; Sierra Nevada Mountains 1280 Comment
  CAS-BOT-BC253998  Castilleja miniata E. K. Balls 1950-9-1 15667 Plumas east of Long Lake in meadow sloping to 2 smaller lakes (Helgamite Pond?) 2133 Comment
  RSA59688  Castilleja miniata E. K. Balls 1950-9-9 15755 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CDA13979  Castilleja miniata subsp. miniata G. F. Hrusa 1996-8-2 13443 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Uppermost spring forming trib. of Squirrel Creek. Comment
  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
  SEINET12765114  Castilleja miniata subsp. miniata Lowell Ahart 1994-7-22 7487 Plumas South of the Pacific Crest Trail, on the north side of Mount Etna.; 0 1981 Comment
  RSA52890  Castilleja payneae R. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse. 1982 Comment
  SEINET10961410  Castilleja payneae Rimo Bacigalupi 1952-8-19 Bacigalupi 3951 Plumas Abundant on slopes to the east of Long Lake. 2042 Comment
  CHSC43554  Castilleja pilosa Lowell Ahart 1975-7-9 862 Plumas About 1/2 mile south of Onion Valley. about 1 mile west of Pilot Peak. 1981 Comment
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Dec 16 2014
  JEPS32704  Castilleja pilosa Lewis S. Rose 1963-6-4 63124 Plumas 2 mi s Beckwourth; Sierra Valley 1463 Comment
  CHSC117029  Castilleja tenuis Lowell Ahart 2016-6-29 21053 Plumas North side of dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Resevoir Dam. 1698 Comment
  CHSC55596  Castilleja tenuis K. R. Stern 1985-6-25 8331 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC94111  Castilleja tenuis Lowell Ahart 2006-7-9 12933 Plumas In a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC97602  Castilleja tenuis Lowell Ahart; John Dittes 2007-6-16 14127 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS81468  Castilleja tenuis M. S. Taylor 1982-6-28 4770 Plumas ca 1 mi w Beckwourth (Ramelli Ranch, s side of Hwy 70); Portola Quad. 1487 Comment
  RSA755445  Castilleja tenuis L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16135 Plumas Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  SEINET14173276  Castilleja tenuis W. Harnach, N. Harnach 1989-6-17 145 Plumas Sierra Valley, Marble Lane, E end of Carmicheals pond (ca 0.3 mile E of Steel Bridge). 1487 Comment
  JEPS77537  Castilleja tenuis Margaret Ely 1978-6-23 Plumas Butterfly Valley; sw of pond (reservoir) Comment
  SEINET5343757  Caulanthus major var. nevadensis W. Harnach, N. Harnach 2005-7-7 1218 Plumas Black Mountain, 11 air miles north of Dixie Mtn lookout, overlooking Honey Lake 2134 Comment
  UC1071261  Ceanothus R. D. Roseberry 1934-11-10 14 Plumas 1 mi sw Mt. Jackson; Plumas National Forest, Downieville Quad. Comment
  SBBG120143  Ceanothus arcuatus L. P. Janeway 2007-5-20 8989 Plumas crest at head of Bean Crk, which drains to the SSE; jct of USFS Rds 25N17, 25N57, and 25N59 1573 Comment
  CAS-BOT-BC47869  Ceanothus cordulatus Alice Eastwood 1927-6-15 14596 Plumas On road to Long Valley Comment
  SBBG28488  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas S of Chester 1310 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
  HSC18301  Ceanothus integerrimus L. S. Rose 1967-7-10 67153 Plumas 3 mi W of Keddie, Butterfly Valley 1098 Comment
  UC1070702  Ceanothus integerrimus E. Nourse 1934-8-14 14 Plumas 1/4 mi e and 1/4 mi s Quincy; Downieville Quad., Plumas National Forest 1127 Comment
  UC1070776  Ceanothus integerrimus F. W. Embree 1934-6-6 65 Plumas s slope of Bucks Mtn. Bidwell Bar quad., Plumas Nat. For. 1524 Comment
  LA44875  Ceanothus jepsonii C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
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May 17 2021
  CAS-BOT-BC63335  Ceanothus prostratus Herbert L. Mason 1924-6-16 1046 Plumas Graeagle. Comment
  POM296602A  Ceanothus prostratus Lyman Benson 1949-6-21 13739 Plumas Meadow 1 mile W of Lake Almanor Inn. Feather River 1341 Comment
  RSA515722  Ceanothus prostratus B. Pitzer 1988-5-29 950 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  SD7230  Ceanothus prostratus Mrs. R. Austin 1879-1 Plumas Big Meadows Comment
  UC1071281  Ceanothus prostratus R. Roseberry 1934-11-14 15 Plumas 1 1/2 mi s Otis Ranch; Plumas National Forest, Downieville Quad. Comment
  SEINET5339356  Ceanothus prostratus B. Miller 1951-4-22 2 Plumas North side of highway, 2 miles east of Johnsville, Calif., about 15 miles from Portola. 1829 Comment
  SD7227  Ceanothus velutinus Mrs. R. M. Austin June 1882 Plumas Big Meadows Comment
  SEINET13946111 Image available Ceanothus velutinus A. A. Heller 1915-1 12069 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  CDA11939  Ceanothus velutinus var. velutinus G. F. Hrusa, J. Dinsdale 1989-6-27 7202 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC64832  Ceanothus velutinus var. velutinus Vernon H. Oswald 1995-6-24 6904 Plumas Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  CDA7012  Centaurea babylonica F. H. Surber 1972-8-7 Plumas County Hospital, Quincy. 0 Comment
  CAS-BOT-BC277040  Centaurea maculosa W. Harnach; N. Harnach 1991-7-30 662 Plumas Sierra Valley. Approx 100 yards north of the turnoff to the Westside Cem. on A-23 1493 Comment
  JEPS102858  Centaurea solstitialis Lowell Ahart 2001-10-8 9330 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
  CHSC80800  Centaurea stoebe subsp. micranthos Lowell Ahart; Vernon H. Oswald 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
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Aug 21 2017
  UC143601 Image available Cephalanthera austiniae Mrs. R. M. Austin July 1877 161 Plumas near Quincy; Mill Creek Comment
  CHSC55488  Cerastium arvense Ben Cunningham 1991-4-20 Plumas .3 mi s of Rock Creek Dam and 10 ft w of Highway 70, ca. 34 mi s of Greenville. 731 Comment
  UCR88934  Cerastium arvense J. T. Howell 1962-6-16 37632 Plumas Sierra Nevada Mtns, 'Lewisia Rock,' 3.5 mi. SW of Belden, Feather River Canyon. 640 Comment
  CAS-BOT-BC388187  Cerastium fontanum Thomas H. Kearney 1944-8-14 49 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  CAS-BOT-BC276736  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-15 14615 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CHSC21587  Chaenactis douglasii var. douglasii L. M. Mayer; D. E. Brink Jr. 1975-8-8 Plumas Bucks Lake. Found on hillsides of the section. Comment
  CHSC89471  Chaenactis douglasii var. douglasii Jenny Marr 1994-7-11 202 Plumas Located in the Quincy District of the Plumas National Forest, SE of North Fork Campground. 1005 Comment
  JEPS29566  Chaenactis douglasii var. douglasii J. Thomas Howell 1960-8-20 36285 Plumas near Drakesbad (Kelley Camp, near Lassen Volcanic National Park); Lassen Volcanic National Park 1615 Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  RSA59811  Chamaesyce serpillifolia E. K. Balls 1950-9-14 15809 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC66351  Cheilanthes covillei John Thomas Howell 1967-6-22 42659 Plumas near mouth of Chambers Creek, Canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC70200  Cheilanthes gracillima Anna Head 1921-7-1 s.n. Plumas Feather River region Comment
  CHSC58187  Chenopodium atrovirens Vernon H. Oswald; Lowell Ahart 1992-6-22 5007 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Trail just W of Hot Springs Creek. 1658 Comment
  JEPS113925  Chenopodium desiccatum W. and N. Harnach 2000-8-2 972 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  JEPS122111  Chenopodium hians Lowell Ahart 2014-8-24 19747 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CDA3114  Chenopodium pumilio J. T. Howell, G. H. True 1974-7-29 50629 Plumas Quincy. Comment
  CAS-BOT-BC451419  Chimaphila menziesii Mrs. Jos. Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CHSC100053  Chimaphila menziesii Lowell Ahart 2008-7-16 15102 Plumas West of a small meadow (swamp), south of a small deep stream, about 120 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC451341  Chimaphila menziesii John Thomas Howell 1960-7-22 35895 Plumas Lassen Volcanic National Park, Devil's Kitche3n to Drakesbad 1828 Comment
  JEPS115086  Chimaphila umbellata Lowell Ahart, John Dittes 2009-7-14 16060 Plumas On dry soil, near a 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
  CDA28674  Chorispora tenella G. D. Barbe 1981-6-23 3090 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC36254  Chrysolepis sempervirens Alice Eastwood 1927-6-15 14629 Plumas On trail to Long Valley. Forest Reserve Comment
  UC1135250  Chrysolepis sempervirens G. Burks 1933-8-8 31 Plumas 4.5 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar 1706 Comment
  SEINET7450651 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA126613  Chrysothamnus nauseosus subsp. albicaulis C. G. Albertus 1935-10-11 293 Plumas 2.9 miles NE of Loyalton 1524 Comment
  CAS-BOT-BC100816  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1975-8-2 20468 Plumas Black Mt. 2133 Comment
  CDA10793  Chrysothamnus viscidiflorus subsp. viscidiflorus R. V. Zahm 1964-8-27 Plumas Along railroad tracks, Almanor Railroad between Chester & Westwood. 0 Comment
  POM124117  Chrysothamnus viscidiflorus subsp. viscidiflorus I. M. Johnston 1919-9-2 2182 Plumas Portola, along W. Pac. tracks 1473 Comment
  JEPS122317  Cinna latifolia Lowell Ahart 2014-8-31 19808 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  JEPS76222  Cinna latifolia W. L. Jepson 1939-7-31 19306 Plumas half-way between Meadow Valley and Bucks Valley 1676 Comment
  UCD59784  Cinna latifolia John Thomas Howell 1960-7-23 35961 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  SEINET10841114  Circaea alpina subsp. pacifica Mary Susan Taylor 1981-7-13 Taylor 3999 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  CHSC34911  Cirsium andersonii M. S. Taylor 1981-7-21 4095 Plumas Ca. 1/8 mi e of 25N18, ca. 1 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 2011 Comment
  JEPS115117  Cirsium arvense Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16242 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CDA1126  Cirsium canescens T. C. Fuller 1968-7-1 17318 Plumas About 6 mi. s. of Vinton; 1 mi. n. of county line, 1/8 mi. w. of Hwy 49 to Loyalton. 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
  CDA19254  Cirsium cymosum G. D. Barbe, T. C. Fuller 1982-6-17 3807 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CAS-BOT-BC278089  Cirsium douglasii var. breweri John Thomas Howell 1959-9-22 34860 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC279961  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35979 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285544  Cirsium occidentale var. candidissimum John Thomas Howell 1959-9-24 34915 Plumas Crescent Mills 1066 Comment
  CDA1375  Cirsium occidentale var. candidissimum T. C. Fuller 1961-11-29 7304 Plumas Indian Valley; roadside North (Valley) Road, 4.7 mi. E of Greenville. Comment
  RSA31207  Cirsium occidentale var. candidissimum Joseph A. Ewan 1934-7-18 8547 Plumas Near Dentens, Mojawk Valley Comment
  SEINET10904933  Cirsium pastoris Mary Susan Taylor 1981-7-27 Taylor 4130 Plumas Between Drum and Notson Bridges, North side of Beckwourth-Genesse Rd. ca. 6-8 air mi E of Genesse. 5200 ft. 1585 Comment
  CAS-BOT-BC285831  Cirsium vulgare John Thomas Howell 1959-9-24 34930 Plumas Butterfly Creek near mouth 883 Comment
  RSA59113  Cirsium vulgare E. K. Balls 1950-8-30 15517 Plumas Just west of Feather River Experiment Station. 4 miles north of Quincy. 1067 Comment
  CAS-BOT-BC228911  Cistanthe umbellata John Thomas Howell 1960-7-18 35559 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1071906  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 752 Plumas 7.8 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  CHSC27036  Clarkia mildrediae subsp. mildrediae James Jokerst; Robert A. Schlising 1978-6-21 3288 Plumas Feather River Canyon, 4.2 mi N of Storrie (= 9.2 mi N of Butte County line) at Rodgers Flat Power Plant; roadside bank. Along Feather River Highway. Comment
  CHSC83710  Clarkia mildrediae subsp. mildrediae L. P. Janeway 2001-6-28 7239 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  CHSC79778  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada. Approx. 1/4 mi N from USFS 23N22D terminus. 1400 Comment
  UC170931  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1912-6-25 9271 Plumas Quincy Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC164926  Clarkia rhomboidea Mary Strong Clemens 1920-6-14 s.n. Plumas Greenville Comment
  CDA14723  Clarkia rhomboidea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3249 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC70752  Clarkia rhomboidea L. P. Janeway 1993-6-30 4408 Plumas Along Hwy 70 2.9 mi southwest of junction with Hwy 89, along East Branch North Fork Feather River. Cutbank. 868 Comment
  JEPS88396  Clarkia rhomboidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8019 Plumas e side of arm extending n from Hwy. 36 causeway Lake Almanor (s of point where rd to Last Chance Campground (28N11) begins to parallel lake, along Jeep rd parallel to lake); High Cascade Range, Lake Almanor 1371 Comment
  UC586932  Clarkia rhomboidea Joseph Andorfer Ewan 1934-6-25 8204 Plumas above Dentens (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  UCD169257  Clarkia rhomboidea S. L. Welsh; N. D. Atwood 2001-6-14 28141 Plumas Roadcut, ca. 4 miles north of Beckwourth. 1481 Comment
  SEINET10929032  Claytonia lanceolata Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4198 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  JEPS108550  Claytonia parviflora subsp. parviflora L. P. Janeway 1994-5-24 4648 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca 1371 Comment
  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
  UC1136729  Claytonia rubra subsp. rubra D. Axelrod 1934-6-4 3 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  CDA14727  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3253 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  UC725614  Collinsia parviflora A. A. Heller 1940-5-22 15666 Plumas 3 mi s of Prattville (along State Highway #89); State Highway #89 Comment
  HSC22975  Collinsia torreyi John Pratt 1970-6-30 56 Plumas Humboldt Summit Comment
  SEINET10832482  Collinsia torreyi Mary Susan Taylor 1982-5-7 Taylor 4414 A 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
  CDA15375  Collinsia torreyi var. wrightii G. F. Hrusa 1997-6-26 13890 Plumas Sierra Nevada; Terminus, USFS 23N22D Comment
  JEPS113465  Collinsia torreyi var. wrightii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14006 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC55724  Collomia grandiflora K. R. Stern 1985-6-25 8206 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC93075  Collomia grandiflora L. P. Janeway 1994-7-8 4689 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  UC1123642  Collomia grandiflora A. Lewis 1934-6-18 484 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  UCR3606  Collomia grandiflora Wm. Horn Jr. 1963-7-14 630714- 90 Plumas Northern Sierra Nevada Mtns, Meadow Valley, 120-130 yards south of Bucks Lake Road, 1 mi west of Meadow Valley Store at edge of clearing 1159 Comment
  CHSC81393  Collomia heterophylla L. P. Janeway 1996-5-20 4976 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  SEINET10869744  Collomia heterophylla Mary Susan Taylor 1982-5-13 Taylor 4434 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  POM75625  Collomia linearis Marcus E. Jones 1897-7-2 10194 Plumas Near Pratville at Clear Creek 1524 Comment
  SJSU11422  Collomia linearis J. W. Tilden 1958-6-29 1303 Plumas SW shore L Almanor 1828 Comment
  CHSC46646  Collomia tinctoria Lowell Ahart 1989-7-2 6347 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  UCD118260  Collomia tinctoria W. R. Powell 1968-7-2 1602 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CHSC115826  Comarum palustre Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20425 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Service Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CHSC79904  Comarum palustre G. F. Hrusa; J. Dinsdale 1989-6-27 7214 Plumas Sierra Nevada. Around margin of Snake Lake, approx. 5 m. WNW of Quincy. [Original lat./long. on label is '39 59 N; 120 57 W']. 1250 Comment
  JEPS123948  Comarum palustre Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20425 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC157362  Comarum palustre Malcom A. Nobs; S. Galen Smith 1949-8-19 1423 Plumas About 2 miles south of Greenville, Indian Valley Comment
  CAS-BOT-BC216017  Convolvulus John Thomas Howell 1955-7-20 30864 Plumas Mohawk, Sierra Nevada 1371 Comment
  CAS-BOT-BC286170  Conyza canadensis Greg Sommers 1976-8-4 1224 Plumas Sierra Valley, along Dyson (Marble) Lane 1487 Comment
  JEPS108985  Conyza canadensis Lowell Ahart 2006-10-8 13400 Plumas On the west bank of Chips Creek, south of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  SEINET10474206  Conyza canadensis Mary Susan Taylor 1982-9-7 Taylor 5091 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
  HSC75923  Corallorhiza maculata Larry DeBuhr, G. D. Wallace 1972-5-21 589 Plumas Butterfly Valley, about 1 mi. SW of Keddie, along FS 25N12 at jct. with Blackhawk Creek Comment
  JEPS64322  Corallorhiza maculata W. I. Follett 1937-7-27 102 Plumas Rich Gulch Comment
  RSA82061  Cordylanthus tenuis subsp. viscidus F. W. Peirson 1926-6-22 6807 Plumas Drakesbad, in vicinity of Boiling Lake, Lassen National Park. Comment
  CAS-BOT-BC209438  Cornus nuttallii Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  RSA563256  Cornus nuttallii Walter Knight, Irja Knight, John Thomas Howell, B. K. Knight 1966-7-26 1569 Plumas Fern Glen. 1113 Comment
  RSA0091948  Cornus nuttallii Bonnie C. Templeton 1968-1 11286 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC210316  Cornus sericea John Thomas Howell 1955-7-20 30842 Plumas Mohawk 1371 Comment
  CAS-BOT-BC210319  Cornus sericea John Thomas Howell 1976-7-15 51858 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  UC634636  Cornus sericea subsp. sericea H. L. Mason 1924-6-19 1076 Plumas margin of Bear lake Comment
  CHSC81365  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  SBBG70195  Corydalis caseana R. M. Austin -Jul-1877 Plumas Mill Creek [American Valley?] Comment
  CHSC52522  Corydalis caseana subsp. caseana L. P. Janeway 1990-6-27 3726 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  CHSC76137  Corydalis caseana subsp. caseana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3339 Plumas 0.75 miles east of Bucks summit on Bucks Lake Road. 1600 Comment
  UCD95117  Corydalis caseana subsp. caseana Dean Wm. Taylor 1974-10-1 5056 Plumas Jamison Creek drainage, above Jamison Lake drainage, ca. 3 miles south of Plumas-Eureka State Park. 2000 Comment
  CAS-BOT-BC401872  Corydalis caseana subsp. caseana Robert J. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge, near Taylor Lake 1981 Comment
  CAS-BOT-BC141571  Crataegus castlegarensis John Thomas Howell 1980-5-27 53605 Plumas Near Crescent Mills in southwestern end of Indian Valley - Sierra Nevada 1066 Comment
  CAS-BOT-BC290441  Crepis acuminata Clarence R. Quick 1964-7-15 64 -82 Plumas At summit of Longville-Belden road between Humbug Valley and Feather River Canyon 1478 Comment
  JEPS22860  Crepis acuminata E. Sawyer 1935-7-1 270 Plumas 0.6 mi ne Chases; Plumas National Forest, Downieville Quadrangle Comment
  UCD169657  Crepis acuminata Lowell Ahart 2009-7-15 16098 Plumas About 2.3 miles (air) southeast of Butt Valley Reservoir Dam, on the south side of Forest Service Road 26N22, east of the power line. 1517 Comment
  RSA129860  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 miles SSE of Crow. 1982 Comment
  CAS-BOT-BC291559  Crepis intermedia Lewis S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 853 Comment
  CAS-BOT-BC291563  Crepis intermedia Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1566 Plumas Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC291565  Crepis intermedia John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2424 Plumas Adjacent to the mouth of Butterfly Creek, Butterfly Botanical Area and vicinity 883 Comment
  RSA726369  Crepis intermedia L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  SEINET7837078 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  CAS-BOT-BC291576  Crepis modocensis subsp. modocensis G. L. Stebbins; J. A. Jenkins 1937-5-22 2151 Plumas East slope of Beckwith Peak 1676 Comment
  CAS-BOT-BC291579  Crepis modocensis subsp. modocensis Alice Eastwood 1918-5-25 7040 Plumas Portola 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
  CDA15916  Crepis occidentalis B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  JEPS22859  Crepis occidentalis E. Sawyer 1935-6-4 63 Plumas 3 3/4 mi ese Beckwith Butte; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC290853  Crepis pleurocarpa Anna Head 1921-8-18 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CAS-BOT-BC290855  Crepis pleurocarpa Alice Eastwood 1912-8-22 1902 Plumas Battle Creek Meadows, Lassen Butte Region Comment
  CHSC118664  Crepis pleurocarpa Elizebeth Kramer 2015-5-19 2015002 Plumas Plumas National Forest. Located southeast of Baker Gulch; between Forest Service road 26N23 and 26N14. UTM 661206 E, 4441753 N, NAD83 Zone 10N. 1340 Comment
  CAS-BOT-BC182507  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54299 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC189308  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54219 Plumas About 5 miles SE of Mount Hough on the road to Quincy 1584 Comment
  UC1084550  Cryptantha affinis Rimo Bacigalupi with Howard Whisler 1957-7-25 6033 Plumas 1 mi w Deadwood (Bucks Summit) (and about 1.75 mi e of w end of Bucks Lake, watershed of Bucks Creek); Bucks Creek 1645 Comment
  CDA18476  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3216 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CHSC81103  Cryptantha torreyana Lowell Ahart 2001-8-28 9219 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, where the ATT cable crosses the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  RSA754547  Cryptantha torreyana L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16223 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  SEINET13710152  Cryptantha torreyana Lowell William Ahart, Lowell William Ahart 2001-1 8934 Plumas Branch of Butt Creek, N Side of Dirt Road W of Ruffa Ranch, about 1 Air Mi. N of Eagle Rocks, 2 Air Mi. NE Humboldt Summit (T27N, R5E, sec 21, SW 1/4), 5600 Ft. 1707 Comment
  SEINET1869803  Cryptantha torreyana Barbara Ertter 1988-1 7846 Plumas Diamond Mts. Ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct, meadow in mixed conifer forest 1981 Comment
  CHSC80792  Cryptogramma acrostichoides Lowell Ahart; Vernon H. Oswald 2001-7-11 8894 Plumas Large outcrop southwest of Homer Lake, west of the trail to Homer Lake, about 5 1/2 miles (air) north of Greenville. 2042 Comment
  SEINET10529928  Cryptogramma acrostichoides Mary Susan Taylor 1982-8-30 Taylor 5078 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  CHSC59163  Cryptogramma cascadensis Vernon H. Oswald; Lowell Ahart 1992-9-15 5210 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  UC123025  Cryptogramma cascadensis R. M. Austin July 1876 318 Plumas Spanish Peak Comment
  CDA19216  Cupressus bakeri subsp. bakeri G. D. Barbe, T. C. Fuller 1982-6-16 3797 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  SEINET10546824  Cuscuta Mary Susan Taylor 1982-8-4 Taylor 4922 A Plumas T25N R10E nw/sw sec 22. Greenville SE quad. Along spur rd off Mt Hough Rd (403), ca. 200 ft. e of Tollhouse Creek, ca. 2 mi nw of Taylor Rock, ca. 6 mi ne of Quincy. 5800 ft. 1768 Comment
  SEINET12282870  Cycladenia humilis J. G. Lemmon 6 s.n. Plumas Peaks of Plumas Co Comment
  UC193373  Cycladenia humilis var. humilis J. G. Lemmon Plumas Peaks of Plumas Co. Comment
  UC405210  Cycladenia humilis var. humilis J. G. Lemmon July 1872 119 Plumas slopes Greenville and Lopen Peaks Comment
  CHSC106281  Cymopterus terebinthinus var. californicus L. P. Janeway 2011-7-3 10081 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine, +/- overlooking Middle Fork Feather River from the north. Open ground in mixed conifer forest. 1642 Comment
  CHSC110267  Cymopterus terebinthinus var. californicus L. P. Janeway 2012-6-2 10850 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  SD6710  Cynoglossum occidentale Mrs. R. M. Austin, Austin 1880-1 Plumas Comment
  CAS-BOT-BC114127  Cyperus squarrosus John Thomas Howell 1959-9-25 34987 Plumas Sandy beach of Feather River, Portola. 1478 Comment
  CAS-BOT-BC114133  Cyperus squarrosus Thomas H. Kearney 1944-8-14 15 Plumas Near Prattville, Lake Almanor. Comment
  JEPS104610  Cyperus squarrosus Lowell Ahart 2003-7-18 10428 Plumas In a meadow, on the n side of the road, ca 1/4 mi w of Lumpkin Ridge Rd, ca 1 1/2 mi se of Tamarack Flat, ca 1 1/2 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 1/2 mi (air) nw of La Porte. 1709 Comment
  SEINET7582966 Image available Cyperus squarrosus Unknown 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1356 Comment
  CAS-BOT-BC114188  Cyperus strigosus John Thomas Howell 1959-9-26 35080 Plumas Storrie 548 Comment
  HSC73117  Cypripedium fasciculatum M. S. Taylor 1981-7-14 4020 Plumas Saddle at head of Bullfrog Ravine. Up to 1/4 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls. 1585 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
  SEINET10572775  Cystopteris fragilis Melvin L. Conrad, Douglas G. LeDoux 1973-6-5 Conrad 7055 Plumas On loose rocky, N-facing roadside bank, 5.2 mi W of Jct of Hwy 70 and Meadow Valley Road in Quincy. 1219 Comment
  CAS-BOT-BC189783  Dactylis glomerata David D. Keck 1932-7-3 1689 Plumas Northern Sierra Nevadas. Quincy. 1065 Comment
  CHSC102379  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16132 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  UCSB46169  Dactylis glomerata Reisentz, Paul 1979-5-12 Plumas 1.0 mi W on North Fork Camp Road from Hwy 70; 2 mi N of Beldon Comment
  CAS-BOT-BC186622  Danthonia californica Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2639 Plumas Valley Proper. Butterfly Botanical Area and Vicinity 1036 Comment
  CAS-BOT-BC189660  Danthonia californica Anna Head 1921-7-1 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CHSC44558  Danthonia californica var. americana Lowell Ahart 1977-8-2 1532 Plumas In a meadow and east of the county road, about 2 miles south-west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  UCD61020  Danthonia californica var. americana A. A. Beetle 1941-6-28 2772 Plumas West side of Lake Almanor. 1828 Comment
  SEINET10598270  Danthonia californica var. americana Alan A. Beetle 1941-6-28 Beetle 2772 Plumas W side of Lake Almanor, mountain meadow in open Pin Forest. Assoc. Crepis, Sanicula tuberosa, Phacelia. 1829 Comment
  POM180942  Danthonia unispicata A. A. Heller, P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  UCD61294  Danthonia unispicata A. A. Heller; P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover valley. Comment
  CAS-BOT-BC76204  Darlingtonia californica Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  CAS-BOT-BC76213  Darlingtonia californica John Thomas Howell 1924-8-10 614 Plumas Butterfly Valley near Quincy. Comment
  JEPS25898  Darlingtonia californica Harold Bryant May 1921 Plumas from near Quincy Comment
  SEINET12007444  Darlingtonia californica Unknown s.n. Plumas Comment
  CAS-BOT-BC420648  Darmera peltata Clare B. Hardham 1961-6-15 7431 Plumas Junction of Indian Creek with Feather RIver. North of Quincy. Comment
  SEINET5338177  Delphinium R. McKee, H. L. Westover 1918-6-15 s.n. Plumas Chester Comment
  UCSB15813  Delphinium depauperatum Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC8916  Delphinium depauperatum Jean Pawek 1956-5-21 54 Plumas Highway 40, near Highway 89 junction 914 Comment
  CDA18492  Delphinium gracilentum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3362 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road formed by Bucks Creek. 1645 Comment
  CHSC45505  Delphinium nudicaule Lowell Ahart 1976-6-14 1140 Plumas Near the edge of the West Branch of Hopkins Creek, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC9855  Delphinium nudicaule Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas 1 mile west of Mohawk on road to Johnsville 1463 Comment
  UCD95881  Delphinium nudicaule Dean Dubbe 1974-4-26 6 -4 Plumas Feather River Canyon, 5 miles south of Belden on State Highway 70. 670 Comment
  CAS-BOT-BC116108  Delphinium nuttallianum A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC35938  Delphinium nuttallianum M. S. Taylor 1982-5-27 4556 Plumas S side of Bucks Lake--Spanish Creek Rd, 4.5 mi sw of its jct with Hwy 70 in Quincy. 1097 Comment
  SBBG25599  Delphinium nuttallianum C. B. Hardham 1961-6-16 7492 Plumas Engel Mine-Susanville Rd via Gold Run Crk 1828 Comment
  UC725740  Delphinium nuttallianum A. A. Heller 1940-5-22 15665 Plumas wayside ditch along State Hwy 89 3 mi s Prattville Comment
  SEINET4566848  Deschampsia cespitosa A. A. Heller, P. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC192432  Deschampsia cespitosa subsp. cespitosa K. Groneck 1976-7-1 s.n. Plumas Sierra Valley near Marble Hot Springs 1524 Comment
  RSA718527  Deschampsia cespitosa subsp. cespitosa L. P. Janeway, B. Castro 2006-9-9 8881 Plumas West shore of Jedidiah Colter Lake ( between Blue Lake and North Arm Rice Creek) High Cascade Range. 1981 Comment
  CAS-BOT-BC198152  Deschampsia danthonioides John Thomas Howell 1962-6-18 37748 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  OBI2939  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy 1036 Comment
  CAS-BOT-BC201890  Deschampsia elongata Alice Eastwood 1927-6-13 14554 Plumas Forest Lodge near Greenville Comment
  CHSC65879  Deschampsia elongata L. P. Janeway 1995-10-25 4952 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC79878  Deschampsia elongata G. F. Hrusa; B. Smith 1996-7-15 13222 Plumas Northern California, Sierra Nevada, Plumas National Forest. E side of Sloat Rd. at inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  RSA71131  Deschampsia elongata L. S. Rose 1951-6-28 51027 Plumas McRae Meadows, 8 mi. sw of Johnsville 1951 Comment
  CDA15911  Descurainia incisa subsp. incisa B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; above upper Bull Run Creek off USFS 23N12E. Comment
  JEPS106041  Descurainia incisa subsp. incisa Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11164 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CAS-BOT-BC43038  Descurainia incisa subsp. incisa M. S. Taylor 1982-5-19 4480 Plumas Ridgetop, ca. 1.5 mile east of Portola, on edge of Ramelli Ranch boundary. 1755 Comment
  SEINET10448270  Descurainia pinnata Mary Susan Taylor 1982-9-13 Taylor 5127 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC43506  Descurainia sophia 1976-6-7 233 Plumas Sierra Y M. On shoulder of Dyson Lane 1.5 km west of metal bridge. 1524 Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  SEINET241787 Image available Dichanthelium acuminatum var. fasciculatum Beecher Crampton 1964-8-25 7157 c Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  CAS-BOT-BC502661  Dichelostemma multiflorum G. L Smith 1959-6-20 1261 Plumas Butterfly Valley near Quincy 1082 Comment
  CAS-BOT-BC153617  Diplacus John Thomas Howell 1967-6-23 42726 Plumas 3.5 miles east of Rich Bar, East Branch Feather River Comment
  CAS-BOT-BC153638  Diplacus jepsonii George W. Gillett 1957-7-18 808 Plumas On north-east side of Boiling Springs Lake 1813 Comment
  CHSC21208  Diplacus mephiticus F. T. Griggs; A. Pass 1975-7-11 162 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC42037  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 Plumas Along the edge of a side road, north of Cleghorn Bar Road, about 1 and 3/4 miles north-west of Finger Board, about 4 1/4 miles north-west of Pilot Peak. 1828 Comment
  CHSC53220  Diplacus mephiticus L. P. Janeway 1989-6-9 3277 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CAS-BOT-BC153950  Diplacus pygmaeus Wayne Dakan 1978-6-21 s.n. Plumas Ca. 1/2 mile west of Almanor (probably near Hwy. 89) 1389 Comment
  CHSC66773  Diplacus torreyi Vernon H. Oswald; Lowell Ahart 1996-8-14 8182 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  CAS-BOT-BC151257  Diplacus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas Bottle Springs, near Middle Fork Feather River 1615 Comment
  CAS-BOT-BC151687  Diplacus torreyi Hans Leschke; Gillett 1957-7-13 s.n. Plumas Betw. Devil's Kitchen and Bench Lake - Lassen Volcanic National Park Comment
  CAS-BOT-BC208630  Distichlis spicata John Thomas Howell 1955-7-19 30789 Plumas Vinton - Sierra Nevada 1505 Comment
  HSC100748  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas N side of Hwy. 70, Serpentine Canyon, 2.7 (air) mi. ENE of Rich Bar, 3.9 (air) mi. W of Twain. 814 Comment
  UCD169819  Dittrichia graveolens Lowell Ahart; John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) wesr of Twain. 813 Comment
  CAS-BOT-BC136103  Dodecatheon alpinum Mrs. H. C. Cantelow 1938-7-4 2305 Plumas N. side Soda Creek, Drakesbad 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
  SEINET8039229  Downingia bacigalupii E. Sawyer 1935-6-27 159 Plumas Plumas Forest, Charles Valley, Sec. 26. 1524 Comment
  UC1244010  Downingia bicornuta var. bicornuta John H. Weiler, D. Willits, and F. Safwat 1959-6-20 59193 Plumas 10.5 mi ne Sattley (0.5 mi s of Sattley-Beckwith road) 1524 Comment
  CAS-BOT-BC41401  Draba verna Mrs. Joseph Clemens 1920-2-25 7000 Plumas Crescent Mills. Comment
  CAS-BOT-BC41396  Draba verna John Thomas Howell 1978-4-19 52855 Plumas Sierra Nevada. Eastern part of Quincy. 1036 Comment
  UC1124236  Draperia systyla G. T. Nordstrom 1934-7-20 243 Plumas 0.5 mi NW of Edmanton; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  JEPS84392  Drosera X obovata V. Oswald and W. Dempsey 1989-8-3 3914 c Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  SD8365  Drosera anglica Mrs. R. M. Austin 1879-1 Plumas Big Spring, Big Meadows Comment
  UCD99506  Drosera anglica Barry Rice 2004-8-24 BR 040804 Plumas at Willow Lake. Comment
  CAS-BOT-BC401589  Drosera rotundifolia J. G. Lemmon No date on label s.n. Plumas Butterfly Val [Valley] Comment
  CAS-BOT-BC159671  Drymocallis glandulosa Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1967-6-12 1958 Plumas Trestle Glen, Butterfly Botanical Area and vicinity 1112 Comment
  CAS-BOT-BC159583  Drymocallis glandulosa var. glandulosa John Thomas Howell 1961-6-21 36628 Plumas Greenville - Sierra Nevada 1097 Comment
  CAS-BOT-BC159585  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1978-8-11 21785 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  CHSC99806  Drymocallis hansenii Lowell Ahart 2008-7-16 15088 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC159303  Drymocallis lactea var. lactea W. M. Hiesey 1941-11-8 449 Plumas Mineral, at Mineral Lodge 1524 Comment
  CAS-BOT-BC159305  Drymocallis lactea var. lactea Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) - Sierra Nevada 2046 Comment
  CHSC72322  Dulichium arundinaceum L. P. Janeway 1998-9-10 6277 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  CHSC94665  Dysphania botrys Lowell Ahart 2006-10-8 13412 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
  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
  CHSC59718  Elatine californica L. P. Janeway 1992-9-16 4313 Plumas Plumas National Forest, Beckwourth Ranger District, Beckwourth Compartment. Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CHSC112616  Elatine rubella Lowell Ahart 2013-9-11 19023 W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  JEPS103527  Eleocharis acicularis Lowell Ahart 2002-7-2 9833 Plumas On the N side of Forest Road 22N94, ca 50 yards W of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1583 Comment
  JEPS115929  Eleocharis acicularis var. bella Lowell Ahart, John Dittes 2009-7-27 16189 Plumas On dry bare soil, about 20 yards north of the poor dirt road, on the bottom of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC113513  Eleocharis bella John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2147 Plumas Pond reservoir. 1127 Comment
  CAS-BOT-BC113502  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas Muddy islands in marsh, north edge of Taylorsville. 1097 Comment
  UCD49584  Eleocharis bella S. Galen Smith; Malcolm A. Nobs 1949-8-18 1357 b Plumas Drying mud flats at the south end of Lake Almano. Comment
  CHSC81172  Eleocharis engelmannii Lowell Ahart 2001-9-24 9197 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CAS-BOT-BC113382  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  CHSC45176  Eleocharis macrostachya Lowell Ahart 1980-10-6 2680 Plumas On the floor of a hydraulic mine, about 1 mile south of La Porte. 1463 Comment
  CAS-BOT-BC113329  Eleocharis montevidensis Fred Sommers; Greg Sommers 1976-7-20 104 Plumas Plants of the Marble Hot Springs Area, Sierra Valley Marsh. 1487 Comment
  CAS-BOT-BC112041  Eleocharis torticulmis L. P. Janeway; B. Castro 2000-7-3 6876 Plumas Head of small drainage to East Branch North Fork Feather River from the southeast, 1189 Comment
  RSA0000237  Eleocharis torticulmis L. P. Janeway, B. Castro 2000-7-3 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  CAS-BOT-BC451511  Elodea nuttallii C. Etienne 1969-7-26 294 Plumas Off Middle Fork of Feather River; Hiway 89 near Graeagle next to Feather River Park Resort entrance. 1280 Comment
  SEINET10863864  Elymus William E. Harmon 1969-8-18 Harmon 1562 Plumas Roadcut in open pine forest. 2 mi NE of Blairsden. Comment
  RSA59183  Elymus elymoides E. K. Balls 1950-9-1 15617 Plumas East of Long Lake, above meadow leading down to two smaller lakes. 2134 Comment
  UCD61576  Elymus elymoides Beecher Crampton 1954-5-10 1871 Plumas 1 mile west of Portola. 1472 Comment
  CHSC49575  Elymus elymoides subsp. californicus Vernon Oswald 1983-8-24 1025 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  CHSC88656  Elymus elymoides subsp. californicus Linnea Hanson 1983-8-26 214 Plumas Plumas National Forest. Brady's Camp. 2133 Comment
  UC1133003  Elymus elymoides subsp. elymoides C. G. Albertus 1935-7-20 211 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle 1310 Comment
  UC1133006  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-7-20 237 Plumas 2.4 mi se Chaparral Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
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Aug 28 2015
  CHSC91597  Elymus glaucus G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3304 Plumas Sierra Nevada. 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 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
  CDA17225  Elymus trachycaulus G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16328 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
  CHSC97080  Elymus trachycaulus subsp. subsecundus Lowell Ahart; Josephine Guardino 2007-7-20 14320 Plumas South of a small drainage, northeast edge of a large meadow, south of Lighting Tree Campground, west of the paved road, east side of Lake Davis. 1789 Comment
  CAS-BOT-BC204404  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1967-6-23 42727 Plumas East Branch Feather River, 3.5 miles east of Rich Bar 762 Comment
  CAS-BOT-BC81882  Ephedra viridis W. Harnach; N. Harnach 1989-6-29 204 Plumas Sierra Valley, Beckwith Pass on the north side of Hwy. 70 1539 Comment
  CHSC65646  Epilobium brachycarpum L. P. Janeway 1995-7-23 4864 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  SEINET10453004  Epilobium brachycarpum Mary Susan Taylor 1981-7-13 Taylor 3994 Plumas 5600 ft. T24N R16E south center sec 33, Frenchman Lake quad; Frenchman Lake Canyon, 0.5 mi S of the dam, ca. 11 mi N of Chilcoot on Hwy 70; Sagebrush Scrub, dry sandy soil in open sun. 1707 Comment
  CHSC101845  Epilobium campestre Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15875 Plumas About 1600 feet southwest of Lake Almanor Dam, in depressions made from mining. 1386 Comment
  CAS-BOT-BC171717  Epilobium canum subsp. latifolium E. K. Balls 1950-9-5 15674 Plumas 1 mile off Hwy 24, La Porte road between Quincy and Ramelli, Thompson Valley 1158 Comment
  CHSC100457  Epilobium canum subsp. latifolium Lowell Ahart 2008-9-10 15380 Plumas On the south 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
  UC107728  Epilobium canum subsp. latifolium Mrs. R. M. Austin 1875-1 Plumas Indian Valley Comment
  CHSC81803  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-16 9371 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC97278  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14467 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC97554  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes 2007-6-17 14180 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS118382  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  SJSU13873  Epilobium ciliatum subsp. glandulosum N. A. Hopkins 1985-8-27 1320 Plumas Grass L 1786 Comment
  CHSC34311  Epilobium densiflorum L. Ahart 1981-9-6 3087 Plumas Along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  JEPS124094  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  UC1949056  Epilobium densiflorum Barbara Ertter 1988-7-25 7857 Plumas Diamond Mts ca 15 airmiles due S of Susanville; sheep camp on Pierce Creek Comment
  JEPS43852  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1939-7-31 19301 Plumas canyon halfway between Meadow Valley and Buck's Valley; Spanish Peak Comment
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 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
  POM46382  Epilobium oregonense Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SEINET8726254 Image available Epilobium paniculatum H. S. Reed 1941-1 s.n. Plumas Forest Lodge 1097 Comment
  SEINET8726258 Image available Epilobium paniculatum H. S. Reed 1941-1 s.n. Plumas Forest Lodge 1097 Comment
  SEINET12859606  Epilobium pygmaeum M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 69 -1 Plumas N. end of Frenchman's Reservoir 1768 Comment
  SBBG30544  Epilobium torreyi D. Myrick 1968-6-19 1949 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  UC429342  Epipactis gigantea Mrs. R. M. Austin July 1878 300 Plumas Mt. Dyer Comment
  CAS-BOT-BC56995  Equisetum arvense Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1395 Plumas At edge of Pond Reservoir 1097 Comment
  CAS-BOT-BC56997  Equisetum arvense John Thomas Howell 1961-6-21 36631 Plumas Greenville 1097 Comment
  SJSU4629  Equisetum laevigatum C. W. Sharsmith 1969-6-15 7594 Plumas Smith Creek c. 1.5 mi upstream from junction with Middle Fork Feather River 1371 Comment
  JEPS125816  Eragrostis cilianensis William Harnach 2015-7-20 1432 Plumas Just South of the intersection of Co. Rd. A-24 and Marble Lane. Comment
  JEPS125821  Eragrostis pectinacea var. pectinacea William Harnach 2015-7-20 1431 Plumas Just South of the intersection of Co. Rd. A-24 and Marble Lane. Comment
  CHSC92163  Eremogone cliftonii L. P. Janeway 2005-9-4 8536 Plumas Northern High Sierra Nevada. Steep east-facing slope above Road 24N04, 0.3 km south of crossing of North Valley Creek (between North Valley Meadows and Lynch Meadows). 1347 Comment
  JEPS91139  Eremogone cliftonii Dean Wm. Taylor with Glenn Clifton 1997-4-9 15947 Plumas Feather River Canyon; along Highway 70 about 0.5 miles E of crossing of Chambers Creek; Plumas National Forest Comment
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Jul 3 2008
  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-BC205715  Eremogone congesta var. suffrutescens James R. Shevock 1985-5-19 11149 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CAS-BOT-BC174366  Eremogone kingii var. glabrescens Lowell Ahart 1983-8-17 4321 Plumas Near Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC286648  Ericameria bloomeri L. P. Janeway 1990-8-29 3838 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC286655  Ericameria bloomeri Anna Head 1921-8-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC286666  Ericameria bloomeri E. K. Balls 1950-9-2 15652 Plumas Mt. Ingalls Lookout, north of Grizzly Valley 2484 Comment
  CAS-BOT-BC286669  Ericameria bloomeri Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  RSA0039304  Ericameria bloomeri Lowell Ahart 2008-8-14 15199 Plumas 20 yards northwest of the metal gate, west side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA59448  Ericameria bloomeri E. K. Balls 1950-9-2 15658 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  RSA59903  Ericameria bloomeri E. K. Balls 1950-9-14 15818 Plumas 6 miles NW of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC294281  Ericameria nauseosa var. speciosa Ahart; Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte 1828 Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  CHSC67338  Ericameria nauseosa var. speciosa J. D. Jokerst 1984-9-22 2151 Plumas Top of ridge between Yellow Creek and the North Fork Feather River adjacent to USFS road 26N26 at the top of the steep drop into Yellow Cr. 1463 Comment
  CHSC99974  Ericameria nauseosa var. speciosa Lowell Ahart 2008-9-10 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS75253  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-24 34962 Plumas near Blairsden; Sierra Nevada 1341 Comment
  SD71012  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  JEPS75241  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-23 36878 Plumas Cooks Creek Road near Englemine 1082 Comment
  UC204683  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2184 Plumas Keddie Comment
  JEPS95328  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  CAS-BOT-BC294962  Erigeron compositus John Thomas Howell; Gordon H. True 1973-7-31 50078 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC296017  Erigeron divergens Alice Eastwood 1927-6-18 14698 Plumas Greenville Comment
  CAS-BOT-BC300406  Erigeron eatonii var. plantagineus L. P. Janeway 1989-6-9 3281 Plumas Beckwourth Ranger District, Plumas National Forest. Along south side of Red Clover Valley 1691 Comment
  CHSC53127  Erigeron eatonii var. plantagineus L. P. Janeway; Linnea Hanson 1989-6-28 3406 Plumas Squaw Valley; NE quadrant of jct of roads '01' (to Frenchman Lake) and '70' (to Laufman). 1706 Comment
  SBBG133127  Erigeron eatonii var. plantagineus B. C. Templeton 1968-1 11278 Plumas unknown Comment
  SEINET11844247  Erigeron eatonii var. plantagineus L. P. Janeway 1989-1 3383 Plumas upper slope overlooking Crocker Mdw from the E 1890 Comment
  JEPS108583  Erigeron filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak 1884 Comment
  CAS-BOT-BC295214  Erigeron inornatus L. P. Janeway 1990-8-15 3830 Plumas Plumas National Forest, Beckwourth Ranger District. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1859 Comment
  CAS-BOT-BC295231  Erigeron inornatus M. S. Taylor 1981-7-6 3980 Plumas In the y of the 2 Ross Canyon Rds (25N31A & B) ca. 1.5 mi e of Dixie Valley Rd (28N10), ca. 16 air mi nw of Chilcoot 1889 Comment
  CDA4953  Erigeron inornatus T. C. Fuller 1959-7-6 4302 Plumas Northeast of Lake Almanor, 2 miles west of Clear Creek Junction. 0 Comment
  CDA14015  Erigeron inornatus var. calidipetris G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada; S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. Comment
  CHSC52725  Erigeron inornatus var. inornatus L. P. Janeway 1990-8-24 3833 Plumas Plumas National Forest. Slope above Crystal Cr ca 1 1/2 mi W of Red Clover Cr. Along edge of dirt road. 1889 Comment
  CHSC80804  Erigeron inornatus var. inornatus Lowell Ahart 2001-7-17 8924 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  RSA712641  Erigeron inornatus var. inornatus L. P. Janeway 2005-7-31 8507 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km SSW of Adams Peak 1875 Comment
  UC1118154  Erigeron inornatus var. inornatus C. W. Hanks 1934-8-6 8 Plumas nw end of Sierra Valley; Plumas National Forest, Sierraville Quadrangle, Sierra Valle 1584 Comment
  CHSC82553  Erigeron lassenianus var. deficiens Lowell Ahart 2002-7-18 9855 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
  UC1731907  Erigeron lassenianus var. deficiens Glenn Clifton 1992-6-27 26859 Plumas Monitor Flat, Feather River Watershed Monitor Flat; , Feather River Watershed 1926 Comment
  RSA523379  Erigeron peregrinus Barbara Ertter, Gary Schoolcraft 1989-7-3 8670 Plumas Diamond Mt. peak ca. 7 air miles S of Susanville 2287 Comment
  CAS-BOT-BC295785  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4442 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  CHSC102007  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2009-8-29 9949 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
  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
  CHSC110375  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A 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
  CHSC99970  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  SEINET13709667  Erigeron pumilus Lowell William Ahart, Lowell William Ahart 2001-1 9234 Plumas Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) Comment
  CDA19276  Erigeron pumilus var. intermedius G. D. Barbe, T. C. Fuller 1982-6-17 3862 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CAS-BOT-BC300262  Erigeron reductus var. reductus L. S. Rose 1932-9-5 32621 Plumas Jamison Lake 1981 Comment
  RSA285640  Eriodictyon californicum D. C. Michener 1981-7-17 4018 Plumas Sierra Nevada. CA-70 ca. 1.5 miles north of Tobin. Comment
  UCD19137  Eriodictyon lobbii W. B. McHenry 1990-6-22 s.n. Plumas Bucks Lake. Comment
  JEPS125727  Eriogonum baileyi var. praebens William Harnach 2015-8-6 1437 Plumas 4.85 miles West of Vinton on Highway 70. Comment
  HSC95796  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at junction of FS Rds. 28N01 and 28N70 on flat W of highway, 11.9 mi. NNW of Beckwourth 1707 Comment
  SEINET4856200  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. 1707 Comment
  SEINET783268 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth . 1707 Comment
  SEINET10479491  Eriogonum elatum var. villosum Mary Susan Taylor 1982-8-12 Taylor 4982 Plumas T23N R12E nw sec 20. Johnsville quad. Along Jackson Creek Rd (23N48) ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 5400 ft. 1646 Comment
  CHSC63465  Eriogonum lobbii Lowell Ahart 1994-7-22 7489 Plumas Open steep areas, south of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. (label said Sierra County also). 1981 Comment
  JEPS87830  Eriogonum marifolium Lowell Ahart 1994-7-20 7477 Plumas n side of ridge about 1/2 mi nw Mount Etna (open area n of Pacific Crest Trail); Bunker Hill Ridge 1981 Comment
  RSA766342  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8268 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  CAS-BOT-BC263295  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 A Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 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-BC263312  Eriogonum marifolium var. marifolium Anna Head 1921-6-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC52732  Eriogonum marifolium var. marifolium L. P. Janeway 1990-8-29 3840 B Plumas Plumas National Forest Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  CAS-BOT-BC263305  Eriogonum marifolium var. marifolium F. Ehrendorfer 1959-1-1 s.n. Plumas Chester 1524 Comment
  CAS-BOT-BC267402  Eriogonum microthecum Clare B. Hardham 1978-8-11 21792 Plumas About 5 miles southeast of Thompson Peak Comment
  SEINET9322469  Eriogonum nudum Unknown 1982-6-17 3799 Plumas Plumas County Comment
  CHSC69685  Eriogonum nudum var. deductum Vernon Oswald 1986-7-10 2189 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. Scattered plants on an open serpentine slope. 1965 Comment
  JEPS127340  Eriogonum nudum var. deductum Lowell Ahart 2016-7-9 21093 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA59398  Eriogonum nudum var. deductum E. K. Balls 1950-9-11 15782 Plumas Lakes Center Public Campground, trail leading to Gold Lake road 2043 Comment
  CAS-BOT-BC261587  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat 1615 Comment
  CHSC60544  Eriogonum nudum var. nudum L. P. Janeway 1992-7-30 4298 Plumas Plumas National Forest Beckwourth Ranger District McRae Compartment. McRae Meadow; upper end of East Nelson Creek. Dry gravelly outwash area below alder thicket. 1889 Comment
  RSA756719  Eriogonum nudum var. nudum Barbara J. Ertter 1988-7-25 7850 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  UC726279  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas near Gray's Flat (along the Feather River Highway) 868 Comment
  CAS-BOT-BC271973  Eriogonum nudum var. pubiflorum Thomas H. Kearney 1944-8-14 38 Plumas Near Prattville, Lake Almanor Comment
  JEPS87562  Eriogonum nudum var. pubiflorum Lowell Ahart 1994-10-19 7566 Plumas along dirt road near Boulder Creek; Granite Basin 1615 Comment
  RSA201373  Eriogonum spergulinum var. reddingianum J. T. Howell 1960-7-18 35577 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  UC1032248  Eriogonum spergulinum var. reddingianum E. Sawyer 1935-6-27 199 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  UC634528  Eriogonum spergulinum var. reddingianum Herbert L. Mason 1924-6-20 1080 Plumas between Gold Lake and Bear Lake Comment
  CAS-BOT-BC262074  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14866 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  CAS-BOT-BC262080  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14876 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  CAS-BOT-BC265159  Eriogonum umbellatum var. nevadense John Thomas Howell 1962-6-18 37795 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC265163  Eriogonum umbellatum var. nevadense Anna Head 1921-6-21 s.n. Plumas Rocks above Campbell Springs, Feather River Region Comment
  CAS-BOT-BC265165  Eriogonum umbellatum var. nevadense Lewis S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  CDA18750  Eriogonum umbellatum var. nevadense G. D. Barbe, T. C Fuller 1982-7-16 3767 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  UC912730  Eriogonum umbellatum var. nevadense Mrs. E. C. Sutliffe Aug. 1917 Plumas near Blairsden Comment
  CHSC97797  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-12 9161 Plumas Northern High Sierra Nevada. Ridgetop on north side of Oak Ridge, 2.4 air km north-northwest of Grizzly Summit. 1743 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
  SEINET3160118  Eriogonum umbellatum var. umbellatum E. K. Balls 1950-9-11 15779 Plumas Red Fir For. Lakes Center Public Campground, at west of stream; southern Plumas County 2042 Comment
  CAS-BOT-BC262267  Eriogonum ursinum A. A. Heller; P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville [Taylorsville] and Little Grizzly creek Comment
  CDA13556  Eriogonum ursinum G. F. Hrusa, T. D. Wilfred 1996-7-22 13383 Plumas Sierra Nevada; Plumas Natl. Forest: above Little Long Valley Creek. Approx 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  SBBG64203  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  UC174725  Eriogonum ursinum A. A. Heller with P. B. Kennedy 1907-7-13 8833 Plumas between Taylorville and Little Grizzly Creek Comment
  RSA279573  Eriogonum ursinum James L. Reveal 1975-8-24 3974 Plumas Alonh the La Porte-Quincy Rd., 17.5 mi. south of Quincy and 0.3 mi. south of the Chimney Rock Trail turnoff, about 1 airline mile west of Pilot Peak. Comment
  SEINET10479577  Eriogonum ursinum Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3825 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
  UC1395159  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas 4 mi nw Greenville (along California Highway 89, about 4 mi se of Canyondam) 1219 Comment
  CHSC62154  Eriogonum ursinum var. ursinum L. P. Janeway 1993-7-19 4462 Plumas Plumas National Forest Quincy Ranger District Red Hill Compartment. Southwest side of the top of Red Hill. 1874 Comment
  CHSC67378  Eriogonum ursinum var. ursinum J. D. Jokerst 1984-6-13 2055 Plumas On serpentine scree slopes at the very top of Yellow Cr Canyon where USFS rd 26N26 crosses over a ridgeline saddle at the S edge of Section 31. North of road. 1463 Comment
  CAS-BOT-BC264123  Eriogonum vimineum M. S. Taylor 1982-8-12 4983 Plumas Along Jackson Creek Road (23N48), ca. 1 mi. NW of Mt. Jackson, ca. 5 air mi NW of Mohawk 1645 Comment
  CHSC34747  Eriogonum vimineum M. S. Taylor 1981-7-29 4142 Plumas On granite embankment, e side of Flournoy Grade, 1.3 mi s of Flournoy Bridge, ca. 3 mi e of Genesee. 1341 Comment
  CHSC84500  Eriogonum vimineum John Dittes; Lowell Ahart 2003-8-8 2003 -84 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  JEPS56137  Eriogonum vimineum W. L. Jepson 1939-8-8 19350 Plumas Meadow Valley 1158 Comment
  RSA107091  Eriogonum vimineum L. S. Rose 1955-7-19 55145 Plumas Portola. 1479 Comment
  CAS-BOT-BC264118  Eriogonum vimineum Mrs. H. C. Cantelow 1951-7-29 17 Plumas Hwy. 24, w. of Beckwourth Comment
  CAS-BOT-BC264125  Eriogonum vimineum W. Harnach; N. Harnach 1991-6-29 591 Plumas 4 miles north of Loyalton on Co. road !-24 (6 mile road) 1490 Comment
  RSA60132  Eriogonum vimineum E. K. Balls 1950-9-5 15675 Plumas on La Porte rd., 3 mi. S of turn off from Hwy 24, east of Quincy, 1220 Comment
  UC473443  Eriogonum vimineum M. S. Jussel 1931-9-6 Plumas Road to Mt. Lassen 5 mi w Westwood 1828 Comment
  UCD132170  Eriophyllum lanatum Matt Georgeff 1992-5-17 19 Plumas Snake Lake campground, 15 miles west of Quincy. Comment
  CAS-BOT-BC301417  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1993-7-22 4472 Plumas Plumas National Forest, Oroville Ranger District. Along the Pipeline Road 3.3 mi northwest of Lower Bucks Lake dam 1584 Comment
  UC960338  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas roadside bank near Rich Bar 762 Comment
  CAS-BOT-BC308255  Eriophyllum lanatum var. integrifolium L. P. Janeway 1990-7-6 3775 Plumas About 200 ft. east of Paradise Creek and about 1/3 mi. south of Little Grizzley Creek, Plumas National Forest, Beckwourth Ranger Distric, Cascade Compartment 1844 Comment
  CAS-BOT-BC308266  Eriophyllum lanatum var. integrifolium Lewis S. Rose 1934-7-23 34412 Plumas Chilcoot, Sierra Valley 1522 Comment
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  CHSC52514  Eriophyllum lanatum var. integrifolium L. P. Janeway 1990-7-6 3775 Plumas Plumas National Forest. About 200 ft east of Paradise Creek and about 1/3 mi south of Little Grizzly Creek. Along edges of dirt road and in old logging landing. 1844 Comment
  RSA59312  Eryngium alismifolium E. K. Balls 1950-9-14 15796 Plumas Along Indian Creek, Highway 89, 1.5 miles from junction with Highway 24 915 Comment
  SEINET8673795  Eryngium alismifolium R. F. Thorne, Tilforth, C. W. 1969-9-6 39243 Plumas near Feather River... 1 mi. SW of Beckworth 1356 Comment
  CAS-BOT-BC55105  Erysimum perenne Rimo Bacigalupi 1927-7-8 1662 Plumas Western edge of Long Lake. Comment
  CHSC21028  Erythranthe breweri F. T. Griggs; A. Pass 1975-7-10 152 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC102099  Erythranthe guttata Lowell Ahart; John Dittes 2009-7-28 16202 Plumas On wet 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
  CHSC20739  Erythranthe guttata K. R. Stern 1975-7-24 5877 Plumas E shore of Lake Almanor. Comment
  CHSC21567  Erythranthe lewisii L. M. Mayer; D. E. Brink Jr. 1975-7-22 Plumas Bucks Lake Floristic Survey. Comment
  SD61134  Erythranthe lewisii Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest 1981 Comment
  SD46685  Erythranthe moniliformis Robert J. Weatherby 1955-8-12 1682 Plumas McFarland Creek near Morrow Creek, above Meadow Valley 1431 Comment
  SD7095  Erythranthe pulsiferae none given 1880-1 Plumas Plumas Co. Comment
  CAS-BOT-BC505247  Erythronium grandiflorum J. Ed. McClellan; Bonnie McClellan 1968-6-14 s. n. Plumas Above Camp Mi ---- above Quincy - La Porte road 2011 Comment
  CHSC21603  Erythronium purpurascens L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC110552  Eschscholzia John Thomas Howell 1955-7-19 30752 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC403346  Eschscholzia californica Gary Schoolcraft 1984-6-27 1277 Plumas East of Sugar Loaf Mtn. 23-15-21 1524 Comment
  CAS-BOT-BC403349  Eschscholzia californica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2379 Plumas Across road from old homestead in Butterfly Valley 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
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  UC1557867  Eurybia integrifolia J. Semple and S. Heard 1986-8-13 8415 Plumas near, Little Grass Lake Road Little Grass Valley Rec. area (between LaPorte & Quincy) Comment
  UC86950  Eurybia integrifolia Mrs. R. M. Austin 1876-1 87 Plumas American Valley Comment
  CAS-BOT-BC310541  Eurybia integrifolia M. S. Taylor 1982-9-8 5119 Plumas Bellas Flat area on s side of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  SEINET9308095  Eurybia integrifolia Unknown 1996-8-11 13498 Plumas Plumas Comment
  CAS-BOT-BC310592  Eurybia radulina Lowell Ahart 1980-9-17 2647 Plumas 1 mile west of Fowler Pk. 1800 Comment
  UCD66090  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC278857  Festuca occidentalis Mary S. Clemens 1920-6-22 18 Plumas Quincy Comment
  CHSC87982  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11004 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  UCD66140  Festuca occidentalis John Thomas Howell 1962-6-17 37681 Plumas Butterfly Valley. 1036 Comment
  UCD66183  Festuca occidentalis H. S. Yates 1913-6-24 Plumas Massack. 1371 Comment
  CHSC110623  Floerkea proserpinacoides B. Castro 2006-6-9 1556 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of mouth of McReynolds Creek at red Clover Creek. 1668 Comment
  CAS-BOT-BC55670  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC98707  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-13 9190 Plumas Northern High Sierra Nevada. At Road 23N20 crossing of Little Schneider Creek. 1308 Comment
  HSC99899  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12046 Plumas Along Caribou Road. 718 Comment
  RSA739746  Frangula purshiana subsp. annonifolia L. P. Janeway, B. Castro 2007-8-18 9206 Plumas Northern High Sierra Nevada. Along Soda Creek and Road 25N22, 1.2 km NW of Hwy 70 and West Branch North Fork Feather River. 942 Comment
  CHSC76068  Frangula rubra G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3288 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorville. 1112 Comment
  CAS-BOT-BC53794  Frangula rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  UC1778610  Fritillaria atropurpurea G. Douglas Barbe, T. C. Fuller 1982-7-16 3771 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC508208  Fritillaria atropurpurea Alice Eastwood 1918-5-25 6992 Plumas Portola Comment
  JEPS61943  Fritillaria pudica Dr. Minor Apr. 1913 Plumas Mohawk Valley Comment
  SEINET10528537  Fritillaria pudica John G. Lemmon Lemmon s.n. Plumas Sierra Valley. Comment
  POM174026  Fritillaria recurva J. G. Lemmon s.n. Plumas Sierra Valley to Indian Valley Comment
  UC337828  Fritillaria recurva unknown 1889-5-26 Plumas Mohawk Valley, Culver's Ranch Mohawk Valley; , Culver's Ranch Comment
  CHSC91754  Galium aparine G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3275 Plumas Sierra Nevada. 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade) along road bank. 1402 Comment
  UC1192017  Galium aparine Malcolm A. Nobs and S. Galen Smith 1949-8-19 1425 Plumas bog Indian Valley, Taylorsville (s end of valley) Comment
  JEPS28625  Galium bifolium George W. Gillett 1957-7-18 813 Plumas ne side Boiling Springs Lake (near trail); Lassen Volcanic National Park 1813 Comment
  CHSC102119  Galium bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam. 1591 Comment
  RSA252405  Galium bolanderi Robert F. Thorne, C. W. Tilforth 1969-9-6 39223 Plumas Ca. 2.5 miles S of Graeagle on Gold Lake Rd. 1646 Comment
  SD6274  Galium boreale Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  CHSC4819  Galium grayanum R. Carter 1967-7-21 626 Plumas Ca. 4 mi S of Thompson Peak. Comment
  JEPS102372  Galium grayanum var. grayanum Lowell Ahart 2001-7-17 8928 Plumas 2 1/2 air miles N of Humboldt Summit (S side of a logging road, S of a small branch of Butt Creek) 1828 Comment
  CHSC108718  Galium trifidum var. pusillum B. Castro; L. P. Janeway 2003-9-7 1456 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. Along channel of creek running length of valley through a pair of ponds, at NW edge of smaller upper pond. 2033 Comment
  CHSC116376  Galium triflorum Sara M. Taylor; Scott Batiuk 2012-7-31 57 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
  CAS-BOT-BC144398  Garrya fremontii R. F. Thorne; C. W. Tilforth 1969-9-6 39220 Plumas Yellow pine forest c. 2.5 mi. S of Graeagle on Gold Lake Road 1645 Comment
  CAS-BOT-BC169864  Garrya fremontii H. L. Mason 1924-6-18 1053 Plumas Road between Graeagle and Gold Lake Comment
  CHSC37020  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas Gray Eagle Lodge Rd. SW of Hwy 519, ca. 7 mi s of Mohawk. 1737 Comment
  UC1122667  Garrya fremontii R. Roseberry 1934-11-1 2 Plumas 2 mi nw Mt. Jackson; Plumas National Forest, Downieville Quad. 1493 Comment
  UC192034  Garrya fremontii Mrs. R. M. Austin Apr 1877 Plumas Comment
  SEINET10841084  Garrya fremontii Mary Susan Taylor 1981-4-30 Taylor 3576 Plumas T22N R8E sw sec 27. American House quad. In plantation, ca. 0.5 mi N of 22N18, ca. 1 mi E of Big Peak and 4 mi W of Little Grass Valley Reservoir. Montane Coniferous Forest; 5600 ft. 1707 Comment
  CAS-BOT-BC478512  Gayophytum John Thomas Howell; Gordon H. True 1967-5-29 42399 Plumas Slopes west of Lamont Meadow 1706 Comment
  CAS-BOT-BC478883  Gayophytum Clare B. Hardham 1978-8-11 21777 c Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  SEINET4149975  Gayophytum diffusum subsp. diffusum C. Tanner 1999-8-2 s.n. Plumas Portola, growing in yard at 433 W. Plumas St. 1484 Comment
  CDA13574  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, T. D. Wilfred 1996-8-23 13523 Plumas Sierra Nevada; Plumas Natl. Forest. approx 1/8 mile N of summit of Lava Peak, along USFS 23N51. N of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC97075  Gayophytum diffusum subsp. parviflorum Lowell Ahart; Josephine Guardino 2007-7-21 14368 Plumas Around pine trees, about 10 yards north of a large meadow, about 100 yards east of the bridge, about 50 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  JEPS27553  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1939-8-4 19336 Plumas Rock Creek Meadow Valley 1219 Comment
  SBBG122857  Gayophytum diffusum subsp. parviflorum B. Ertter 1988-7-25 7848 Plumas Snoring Springs, 0.5 mi N of Diamond Mt-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  RSA59353  Gayophytum heterozygum E. K. Balls 1950-9-2 15622 Plumas 2.5 miles towards Mt. Ingalls Lookout after turn off from Ramelli to Walker Mine. 1951 Comment
  SEINET10453077  Gayophytum humile Mary Susan Taylor 1982-6-28 Taylor 4757 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
  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
  SEINET7717332  Gentiana affinis Unknown Plumas Goose Lake Valley Comment
  UC878532  Gentiana newberryi Mrs. A. L. Coombes Sep 1912 Plumas Big Meadows Comment
  SEINET10454825  Gentiana newberryi Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5088 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
  RSA59441  Gentiana simplex E. K. Balls 1950-9-9 15729 Plumas West of Lakes Center Public Campground, by small lake. 2043 Comment
  RSA59686  Gentiana simplex E. K. Balls 1950-9-9 15753 Plumas South end of small lake to west of Lakes Center Public Campground. 2043 Comment
  CHSC42795  Geum macrophyllum L. P. Janeway 1984-7-13 910 Plumas SW of Bucks Lake and near Grizzly Creek campground. At edge of small pool in a meadow. 1584 Comment
  UC170957  Geum macrophyllum H. M. Hall 1912-8-3 9392 Plumas Quincy, Sierra Nevada Mountains Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  CAS-BOT-BC459553  Geum macrophyllum A. A. Heller; P. B. Kennedy 1907-7-9 8787 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC459555  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 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
  CAS-BOT-BC293727  Gilia Mona Bourell; Bob Patterson 1982-5-15 1735 Plumas Beckworth Comment
  SEINET7719969  Gilia capitata Unknown Plumas Butterfly Valley Comment
  SEINET10496742  Gilia capitata subsp. mediomontana Mary Susan Taylor 1982-5-27 Taylor 4544 Plumas T26N R9E nw/se sec 26. Greenville SW quad. E side of Dixie Canyon Rd (204), 0.5 mi n of its jct with Hwy 89 at Moccasin, s of Greenville. 3800 ft. 1158 Comment
  SDSU3088  Gilia leptalea subsp. bicolor R. M. Beauchamp 1965-7-17 Plumas Growing along Feather River at Chester, California. Comment
  CAS-BOT-BC282708  Glyceria elata John Thomas Howell 1926-7-30 2153 Plumas Near Prattville 1463 Comment
  JEPS113810  Glyceria elata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14458 Plumas West of a small stream and meadow, about 10 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  RSA232878  Glyceria fluitans L. S. Rose 1968-6-10 68096 Plumas Quincy, Spanish Creek. 1037 Comment
  CAS-BOT-BC303821  Gnaphalium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54119 Plumas Quincy 1036 Comment
  CDA17259  Gnaphalium palustre G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16286 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  JEPS122239  Gnaphalium palustre Lowell Ahart 2014-9-9 19834 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS34043  Gnaphalium palustre W. L. Jepson 1939-8-8 19363 Plumas Meadow Valley Comment
  CAS-BOT-BC307390  Gnaphalium palustre Lowell Ahart 1985-9-26 5180 Plumas Little Grass valley Rerservoir where Black Rock Creek flows into the lake about 4 miels north-west of La Porte 1584 Comment
  RSA122378  Gnaphalium palustre E. Sawyer 1935-6-27 160 Plumas Sierraville 1524 Comment
  SEINET13709343  Gnaphalium palustre Lowell William Ahart, Lowell William Ahart 2001-1 9273 Plumas Pond in Butterfly Valley, 5 Air Mi. NW of Quincy (T25N, R9E, sec 29, NE 1/4) 3625 Ft. 1105 Comment
  RSA122373  Gnaphalium thermale C. G. Albertus 1935-8-9 12869 Plumas 4.5 miles NE of Quincy. 1220 Comment
  JEPS101229  Gratiola ebracteata Dean W. Taylor 2000-8-12 17577 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  CHSC94634  Gratiola neglecta Lowell Ahart 2006-10-8 13422 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
  UC1585987  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor (mud flats s of road) 1341 Comment
  CAS-BOT-BC304683  Grindelia squarrosa John Thomas Howell 1974-9-20 50907 Plumas Chilcoot 1554 Comment
  RSA235923  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-21 2083 Plumas Mt. Hough, 8.3 miles northeast of Quincy on Mt. Hough-Crystal Lake Road, Rinehart Meadow 1707 Comment
  RSA794839  Hackelia californica L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15906 Plumas About 100 yards west of the Lake Almanor Dam. 1422 Comment
  JEPS106040  Hackelia micrantha Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11160 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CHSC88007  Hackelia nervosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11158 Plumas Small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS55560  Hackelia nervosa Duncan Dunning 1922-7-16 Plumas 4 mi n of Gibsonville (near Onion Valley) 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
  RSA235926  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-20 2071 Plumas 3.9 miles southeast of Hwy. jct. Calif. 70 & 80, at confluence of Spanish & Butterfly Creeks. 960 Comment
  SEINET11841727  Haplopappus bloomeri W. Knight, Knight, I. 1983-1 4912 Plumas 2 mi out of Chester on road to Drakesbad Comment
  SEINET10474705  Haplopappus suffruticosus Mary Susan Taylor 1982-8-18 Taylor 5012 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  UCD63700  Hastingsia alba Daniel Sanchez-Mata; Tomas Santamaria 2006-7-7 s.n. Plumas Plumas National Forest. Trail from Spanish Ranch to Virgilia. 1545 Comment
  CAS-BOT-BC508331  Hastingsia alba Lewis S. Rose 1963-6-5 63131 Plumas 3 miles norht of Quincy 1097 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC115924  Helenium bigelovii L. P. Janeway 2015-8-16 11840 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
  UC586918  Helenium bigelovii Joseph Andorfer Ewan 1934-6-25 8212 Plumas above Deuteus (Blairsden) (Gold Lake Road); Sierra Nevada 1524 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-BC315024  Hemizonella minima Lewis S. Rose 1954-5-30 54058 Plumas Johnsville 1600 Comment
  CHSC21023  Hemizonella minima F. T. Griggs; A. Pass 1975-7-10 140 Plumas Buck's Lake. Comment
  SEINET11197285 Image available Hemizonella minima A. A. Heller, P. B. Kennedy 1907-7-3 8697 Plumas Hills above Red Clover valley Comment
  OBI12538  Hesperolinon micranthum Helen K. Sharsmith 1955-6-28 4521 Plumas About 1 mi below Virgilia, E branch of North fork of Feather River 762 Comment
  UCD110550  Hesperolinon micranthum Lewis S. Rose 1967-7-11 67158 Plumas Mt. Hough Road, 2 mi. ne. of Quincy Junction. 1219 Comment
  CAS-BOT-BC280683  Hesperostipa comata John Thomas Howell 1962-6-19 37842 Plumas The Buttes, n. Sierra Valley 1493 Comment
  UC641608  Hesperostipa comata subsp. intermedia G. L. Stebbins Jr. 1939-7-9 2927 Plumas 1 mi w Meadow View Ranger Station 1859 Comment
  JEPS103322  Heterocodon rariflorum Lowell Ahart 2002-7-2 9820 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  SEINET10972524  Heterocodon rariflorum Edward K. Balls 1950-9-15 Balls 15829 Plumas 6 MI NW OF CHESTER, N FORK FEATHER R. 4600 Comment
  CHSC110614  Heterotheca villosa var. hispida B. Castro; G. Kuenster 2006-8-4 1580 Plumas Northern High Sierra Nevada. Roadside shoulder across from Beckwourth volunteer fire station, on Beckwourth-Genesee Rd ca 0.2 mi N of its jcn with Hwy 70. 1493 Comment
  RSA795732  Heterotheca villosa var. minor L. P. Janeway, P. F. Zika, Barbara L. Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  RSA795001  Heuchera micrantha var. erubescens L. Ahart, John Dittes 2009-7-15 16101 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
  UC137005  Heuchera micrantha var. erubescens Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC101946  Hieracium albiflorum Lowell Ahart; John Dittes 2009-7-13 16053 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CDA13558  Hieracium greenei G. F. Hrusa, T. D. Wilfred 1996-7-22 13386 Plumas Sierra Nevada; Plumas NF, on S side above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 mi. E of Quincy. Comment
  JEPS115171  Hieracium nudicaule Lowell Ahart, John Dittes 2009-7-15 16086 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC54431  Hieracium scouleri var. nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas Forest Rd 29N16 (Little Willow Lake Rd), 0.4 miles north of its junction with Rd 29N18 (Upper Rice Creek Rd), ca. 3 miles (air) south of Drakesbad and 0.5 mile (air) south of Little Willow Lake. 1874 Comment
  SEINET10894187  Holcus lanatus Mary Susan Taylor 1982-8-12 Taylor 4980 Plumas T22N R12E nw 1/4 ne 1/4, sec. 14. Blairsden quad. Along Denton Creek between 516 & Hwy 70, 1 mile of Blairsden. Mixed Evergreen Forest with Pycnanthemum californicum, Mimulus guttatus. 1433 Comment
  RSA726283  Hordeum brachyantherum L. Ahart, John Dittes 2007-6-16 14150 Plumas About 200 yards S 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. 1648 Comment
  SACT001309  Hordeum brachyantherum Michael Baad 1976-8-7 Plumas 1 mile west of trailhead to Bear Lake to trailhead along road to Rubicon Springs from Lake Tahoe. 2011.0 Comment
  CAS-BOT-BC284646  Hordeum brachyantherum subsp. brachyantherum W. Harnach; N. Harnach 1991-6-21 559 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  JEPS87815  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1994-7-22 7499 Plumas ca. 1/2 mi. e. Mt. Etna (along n. side of Pacific Crest Trail); Pacific Crest Trail 1981 Comment
  CAS-BOT-BC284649  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1960-7-18 35511 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC284730  Hordeum jubatum John Thomas Howell 1977-6-20 52408 Plumas On the peninsula of Lake Almanor 1371 Comment
  CHSC102051  Hordeum jubatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16244 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC97059  Hordeum jubatum Lowell Ahart; Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CDA28656  Horkelia fusca subsp. parviflora G. D. Barbe 1981-6-23 3116 Plumas 0.25 of a mile west of Round Valley Reservoir Dam at northwest shore of the reservoir. Comment
  RSA0091207  Horkelia fusca subsp. tenella Bonnie C. Templeton 1968-1 11279 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS48549  Horkelia tridentata subsp. flavescens John Warren Duffield 1937-5-27 Plumas (Local U.C. Forestry Camp) Meadow Valley, Grubstake Flats Comment
  SEINET6768050  Horkelia tridentata subsp. flavescens P. A. Lehenbauer 1934-5-25 s.n. Plumas Sierra Nevada; 15 miles W of Portola. Comment
  CAS-BOT-BC538229  Horkelia tridentata var. flavescens W. W. Wagner 1919-5-18 252 Plumas Sockem Creek 1371 Comment
  CAS-BOT-BC536279  Horkelia tridentata var. tridentata Walter Knight; Irja Knight 1967-5-22 1899 Plumas Butterfly Canyon, Butterfly Botanical Area and Vicinity 1066 Comment
  JEPS122110  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. Comment
  SEINET5327464  Hosackia oblongifolia var. oblongifolia A. A. Heller, P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CHSC60540  Hydrophyllum capitatum var. alpinum L. P. Janeway 1992-5-13 4173 Plumas Plumas National Forest. North side of Lake Davis and 950 ft. north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  JEPS3229  Hydrophyllum occidentale John Warren Duffield 1937-5-24 Plumas near Quincy Q Comment
  SEINET5518742  Hydrophyllum occidentale var. watsonii P. A. Lehenbauer 1929-5-5 2678 Plumas Gold Lake Road Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  CHSC64844  Hypericum anagalloides Vernon H. Oswald 1995-6-24 6913 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Forming localized colonies in drier places in a streamside meadow on the e side of the road. 1371 Comment
  CAS-BOT-BC400942  Hypericum anagalloides Rimo Bacigalupi 1927-7-10 1683 Plumas Slopes of Mt Elwell above Long Lake 2133 Comment
  SEINET5343944  Hypericum anagalloides M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge above Johnsville. Wet meadow below road. 2271 Comment
  SBBG33146  Hypericum formosum var. scouleri K. K. Muller 1963-8-17 1243 Plumas Darlingtonia bog on rd to Butterfly Valley, off State Hwy 89 Comment
  CHSC117632  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  UCD118214  Ipomopsis aggregata W. I. Follett 1937-7-27 98 Plumas Keddie. 975 Comment
  CAS-BOT-BC135725  Iris hartwegii John Thomas Howell 1954-5-14 29562 Plumas Transition zone forest just north of Greenville - Sierra Nevada 1112 Comment
  CAS-BOT-BC135737  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21842 Plumas Forest Lodge, SW of Greenville 1127 Comment
  RSA366804  Iris hartwegii Christopher Davidson 1975-6-7 2737 Plumas 4.6 miles N of Greenville on highway 89. 1238 Comment
  CHSC37024  Iris hartwegii subsp. pinetorum M. S. Taylor 1982-6-1 4575 Plumas On e side of Hwy 70, ca. 1 mi n of Quincy. 1097 Comment
  UC1586426  Iris hartwegii subsp. pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4675 Plumas ca 3 air mi nnw Greenville (Forest Rd 28N38, 1.7 mi ne Forest Rd 28N38 junction with County Rd 201 (Old Haun Rd)) 1463 Comment
  SEINET8756767  Iris missouriensis W. Harnach, N. Harnach 1989-5-12 077 Plumas Sierra Valley 1/4 mile west of steel bridge (Marble lane) 1489 Comment
  SEINET10469755  Iris missouriensis Mary Susan Taylor 1982-6-10 Taylor 4636 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  RSA136531  Iris tenuissima subsp. purdyiformis Lee W. Lenz, E. K. Balls 1955-5-13 20699 Plumas Between Tobin and Camp Rogers [Rodgers] along U.S. Highway 40 [70] [along north fork Feather River] 610 Comment
  JEPS89839  Isoetes occidentalis Dean W. Taylor 1974-10-1 5051 Plumas ca. 3 mi. s. Plumas-Eureka State Park (Jamison Creek drainage, Wade Lake); N. Sierra Nevada, Wade Lake, Jamison Creek drainage 2000 Comment
  POM100009  Isopyrum occidentale R. M. Austin 1877-04 s.n. Plumas Slate Creek Comment
  CAS-BOT-BC324816  Iva axillaris John Thomas Howell 1955-7-19 30738 Plumas Beckwourth, Sierra Nevada 1493 Comment
  CHSC44877  Iva axillaris Lowell Ahart 1974-7-9 548 Plumas Along the edge of Vinton Loyalton Road (Highway 49), about 4 miles south of Vinton. 1524 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
  RSA789731  Ivesia baileyi James R. Shevock 1985-7-6 11316 Plumas Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir. 1750 Comment
  CAS-BOT-BC137435  Ivesia baileyi var. baileyi John Thomas Howell 1977-8-11 52685 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  UCD113581  Ivesia baileyi var. baileyi Dean Wm. Taylor; Glenn Clifton 1990-6-25 11172 Plumas Little Last Change Creek, downstream ca. 0.6 mile from Frenchman Flat Reservoir. Comment
  CHSC35279  Ivesia sericoleuca M. S. Taylor 1981-7-7 3988 Plumas NE side of Beckwourth-Genesee Rd at its jct with Beckwourth Milford Rd, in Squaw Valley, ca. 12 air mi n of Beckwourth. 1706 Comment
  CHSC57452  Ivesia sericoleuca L. P. Janeway; Garrett Gibson 1991-7-1 4064 Plumas Plumas National Forest. North side of Middle Fork Feather River, south side of Hwy 70; at Delleker, ca 1 mi west of Portola. In pasture. 1472 Comment
  CHSC97084  Juncus balticus subsp. ater Lowell Ahart; Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  UC1028647  Juncus bufonius Robert J. Weatherby 1950-7-28 1489 Plumas n edge Taylorsville 1097 Comment
  JEPS97350  Juncus bufonius var. occidentalis Lowell Ahart 1995-9-13 7628 Plumas E of Quincy La Porte Road, abut 1 mi NW of Pilot Peak N side of Onion Valley 1828 Comment
  CHSC118656  Juncus confusus Chelsea Morgan 2015-6-28 2015018 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
  CHSC100338  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 of Little Grass Valley Reservoir. 1645 Comment
  SD147658  Juncus covillei Walter Knight, Irja Knight, John Thomas Howell 1966-7-28 1441 Plumas Butterfly Botanical Area and vicinity, in bed of Spanish Creek, near confluence of Butterfly Creek. 883 Comment
  CHSC102674  Juncus ensifolius Lowell Ahart; John Dittes 2009-9-7 16400 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113871  Juncus ensifolius Lowell Ahart 2014-8-24 19759 Plumas Center of the South Fork of the Feather River, Little Grass Valley Resrvoir, 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
  CHSC47550  Juncus ensifolius Lowell Ahart 1980-10-6 2666 Plumas On the south shore of the small lake about 1 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1828 Comment
  CHSC52560  Juncus ensifolius L. P. Janeway 1989-6-30 3433 Plumas Plumas National Forest. Along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  RSA490376  Juncus ensifolius Lyman Benson 1932-7-29 4005 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SJSU13894  Juncus ensifolius N. A. Hopkins 1985-8-27 1310 Plumas Grass Lake 1786 Comment
  SEINET10472442  Juncus hemiendytus Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4195 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  CDA17246  Juncus howellii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16273 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC99825  Juncus howellii Lowell Ahart 2008-8-14 15216 Plumas Scattered in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte. 1725 Comment
  HSC102777  Juncus howellii L. Ahart 2008-8-13 15162 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  UCD141556  Juncus howellii Lewis S. Rose 1966-7-27 66068 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  JEPS107985  Juncus laccatus Lowell Ahart, John Dittes 2005-9-20 12451 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  RSA755323  Juncus laccatus L. Ahart, John Dittes 2009-7-13 16035 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  JEPS88974  Juncus longistylis Leland S. Smith 1927-8-10 2190 Plumas w end Gold Lake; Tahoe National Forest 2194 Comment
  CHSC47569  Juncus nevadensis Lowell Ahart 1979-7-18 1978 Plumas Along the bank of Onion Valley Creek, east of the Quincy La Porte Road before it crosses the creek, about 1 mile west of Pilot Peak, about 12 miles north of La Porte. 1767 Comment
  CHSC63485  Juncus nevadensis Lowell Ahart 1994-7-28 7534 Plumas On the sides of a small stream, northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  JEPS107932  Juncus nevadensis Lowell Ahart, John Dittes 2005-9-20 12428 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 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
  CAS-BOT-BC227113  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of Each Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC102050  Juncus tenuis Lowell Ahart; John Dittes 2009-7-28 16200 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC102672  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -B Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA754871  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 C Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  NY20173  Juniperus occidentalis R. M. Austin 08 1880 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CHSC21203  Kalmia polifolia subsp. microphylla F. T. Griggs; A. Pass 1975-7-17 203 Plumas Buck's Lake. Comment
  RSA739639  Kalmia polifolia subsp. microphylla B. Castro, L. P. Janeway 2005-9-11 1518 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.8 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1896 Comment
  JEPS10899  Keckiella lemmonii W. L. Jepson 1939-7-31 19295 Plumas half-way between Meadow Valley and Buck's Valley (Spanish Peak, lower slopes); Spanish Peak 1524 Comment
  JEPS96032  Keckiella lemmonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8164 Plumas Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake, northern High Sierra Nevada, Yellow Pine Forest. 1706 Comment
  CHSC101939  Kelloggia galioides Lowell Ahart; John Dittes 2009-7-15 16083 Plumas On dry rocky soil, near a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  RSA59676  Kyhosia bolanderi E. K. Balls 1950-9-9 15744 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC66900  Lactuca serriola Lowell Ahart 1996-10-10 7706 Plumas On the west side of the dirt road, at Turkey Town, about one mile west of Blue Nose Mountain, about 2 miles east of Pilot Peak. 1676 Comment
  JEPS38989  Lagophylla ramosissima W. L. Jepson 1939-8-8 19367 Plumas Meadow Valley Comment
  RSA233729  Lagophylla ramosissima R. F. Thorne, C. W. Tilforth 1969-9-6 39229 Plumas S of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  CAS-BOT-BC337875  Lapsana communis John Thomas Howell 1974-9-19 50887 Plumas Quincy 1036 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
  CAS-BOT-BC205069  Lathyrus sulphureus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2423 Plumas Butterfly Botanical Area and Vicinity. Between mouth of Butterfly Creek and Valley proper 914 Comment
  CAS-BOT-BC205073  Lathyrus sulphureus John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  UC1120991  Ledum glandulosum F. W. Embree 1934-6-6 63 Plumas Plumas National Forest, Three Lakes Three Lakes; Plumas National Forest, Three Lakes 1889 Comment
  SEINET10465998  Lemna minor Mary Susan Taylor 1981-8-5 Taylor 4167 Plumas 1069 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
  JEPS113826  Lemna trisulca Lowell Ahart, Josephine Guardino 2007-7-21 14357 Plumas On and under water, along a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC527311  Lemna trisulca L. P. Janeway; Garrett Gibson 1991-7-21 4083 Plumas North side of Freeman Creek ca 1/2 mile southwest of Lake Davis, Plumas National Forest, Bechwourth Ranger District 1767 Comment
  RSA52923  Lemna trisulca R. Weatherby 1950-7-28 1487 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CAS-BOT-BC88844  Lepidium campestre Robert J. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy. 1066 Comment
  CHSC97550  Lepidium campestre Lowell Ahart; John Dittes 2007-6-17 14161 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC41417  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a little east of Sawpit Flat, about 1 1/4 miles south-west of Finger Board, about 2 miles north-west of Pilot Peak. 1828 Comment
  SEINET5341389  Lepidium latifolium W. Harnach, N. Harnach 2000-8-23 993 Plumas Sierra Valley, 1/4 mile west of the intersection of Hwy 49 on Dyson Lane 1494 Comment
  CAS-BOT-BC89695  Lepidium latifolium F. H. Surber 1973-10-2 s.n. Plumas Lucky Livestock Ranch, ca. 3 miles southwest of Vinton on Highway 49. Comment
  UC398786  Lepidium nitidum Mrs. R. M. Austin Plumas Comment
  CAS-BOT-BC12825  Lepidium perfoliatum John Thomas Howell 1955-7-19 30791 Plumas Sierra Nevada. Vinton. 1505 Comment
  CAS-BOT-BC12827  Lepidium perfoliatum David D. Keck 1932-7-3 1663 Plumas Quincy, within a few meters of the main street. At two localities 0.5 mile apart. 1065 Comment
  UCD115845  Lepidium perfoliatum E. Sawyer 1935-6-10 86 Plumas 2 1/2 miles S.S.W. of Sugarloaf. 1493 Comment
  CAS-BOT-BC12990  Lepidium virginicum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54230 Plumas Sierra Nevada. About 4 miles southeast of Mount Hough on the road to Quincy. 1645 Comment
  CAS-BOT-BC60095  Lepidium virginicum var. menziesii Javier Penalosa 1962-6-19 2502 Plumas +-6.2 miles southeast of Quincy. 1097 Comment
  CHSC46648  Leptosiphon ciliatus Lowell Ahart 1989-7-7 6370 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
  CHSC53158  Leptosiphon ciliatus L. P. Janeway 1989-6-12 3296 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  UCD118767  Leptosiphon harknessii John Thomas Howell 1960-7-18 35556 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC77206  Lesquerella occidentalis subsp. occidentalis G. Schoolcraft 1997-5-18 2590 Plumas Top of Dimond Mtns. farthest peak to the e. 2255 Comment
  RSA104133  Leucothoe davisiae T. C. Porter 1876-1 s.n. Plumas [Unspecified] Comment
  SJSU15290  Lewisia cantelovii S. Woolhouse 2010-7-25 10 Plumas Site is 0.5 miles North of the intersection wtih Highway 70. Baribou quad. Comment
  CHSC1370  Lewisia nevadensis V. Holt 1946-5-18 Plumas Near Chester. 1524 Comment
  CHSC76066  Lewisia nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3062 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UC1136688  Lewisia nevadensis E. Sawyer 1935-5-22 22 Plumas 3/4 mi sw Beckwith City; Sierravliee quadrangle Comment
  SEINET5336485  Lewisia nevadensis M. J. Williams 1965-6-24 s.n. Plumas Happy Valley above Long Valley near Cromberg. 1707 Comment
  CAS-BOT-BC444561  Lewisia triphylla John Thomas Howell 1960-7-21 35815 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  UC570148  Lewisia triphylla A. Lewis 1934-6-12 477 Plumas 3 1/2 mi sw Dogwood Peak; Bidwell Bar quadrangle 1493 Comment
  RSA129540  Leymus condensatus E. Sawyer 1935-6-14 103 Plumas 3/4 mile W. of Sugarloaf; Sierraville 1524 Comment
  CAS-BOT-BC274533  Leymus triticoides John Thomas Howell 1962-6-19 7869 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  SEINET10531256  Libocedrus decurrens R. M. Austin 1896-1 Austin 699 Plumas Butterfly County Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  UC1134624  Lilium columbianum G. T. Nordstrom 1934-7-2 172 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Quad. 1584 Comment
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Dec 13 2006
  SDSU11954  Lilium kelleyanum D. F. Howe 1964-7-29 3890 Plumas Near Gold Lake Lodge, Plumas National Forest 2012 Comment
  UC917348  Lilium kelleyanum J. M. Tucker 1948-7-24 1726 Plumas near road from Cascade to Camel Peak 1615 Comment
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Dec 13 2006
  CAS-BOT-BC509343  Lilium kelleyanum Anna Head 1920-7-23 s.n. Plumas Near Green Lake 1920 Comment
  CAS-BOT-BC509345  Lilium kelleyanum Joseph Andorfer Ewan 1934-6-25 8220 Plumas Gold Lake Road above Deuters (Blairsden) 1524 Comment
  JEPS62012  Lilium pardalinum E. Fritz and T. H. Harris 1926-7-18 Plumas Meadow Valley Comment
  CHSC60164  Lilium pardalinum subsp. pardalinum L. P. Janeway 1992-7-10 4260 Plumas Plumas National Forest. About 0.5 mi northeast of top of Grizzly Ridge, in upper Joseph Creek drainage. 2087 Comment
  SEINET10548869  Limosella acaulis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5172 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  UC1101425  Limosella acaulis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1352 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  CHSC37012  Limosella aquatica M. S. Taylor 1982-9-7 5107 Plumas Ramelli Ranch, in moist sand on s side of Feather River, ca. 2 mi w of Beckwourth. 1487 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
  SJSU14211  Limosella aquatica N. A. Hopkins 1989-6-7 1524 Plumas drainage channel, Squaw Valley 1706 Comment
  CHSC102675  Lindernia dubia var. anagallidea Lowell Ahart; John Dittes 2009-9-7 16403 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CDA18665  Linum lewisii var. lewisii G. D. Barbe, T. C. Fuller 1982-6-15 3714 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC99803  Listera convallarioides Lowell Ahart 2008-7-16 15091 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CAS-BOT-BC430968  Lithophragma bolanderi Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1950 a Plumas Fern Glen 1097 Comment
  JEPS103325  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir Dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CAS-BOT-BC443341  Lithophragma parviflorum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC428426  Lithophragma tenellum Rimo Bacigalupi 1927-7-11 1697 Plumas Grassy Lake Meadows near Bear Lake, Gold Lake Region 1889 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
  CHSC54417  Lithophragma tenellum Vernon H. Oswald 1991-6-17 4666 Plumas Lassen Volcanic National Park. Drakesbad, near the trail to Boiling Springs Lake and Devil's Kitchen, south of the swimming pool at the resport. 1734 Comment
  SEINET10454498  Lomatium canbyi Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3882 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  SEINET10840953  Lomatium dissectum var. multifidum Mary Susan Taylor 1982-5-17 Taylor 4465 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
  CHSC89801  Lomatium macrocarpum G. Douglas Barbe; T. C. Fuller 1982-6-15 3719 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC52510  Lomatium nudicaule L. P. Janeway 1990-6-7 3705 Plumas Plumas National Forest, Beckwourth Ranger District. Forested flat on N side of Long Calley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  UC54310  Lomatium nudicaule H. M. Hall and E. B. Babcock July, 1903 4441 Plumas Sierra Nevada Mts., Genesee Valley 1097 Comment
  JEPS113370  Lomatium plummerae Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13991 Plumas East side of an open rocky flat, 10 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC1562663  Lomatium plummerae Barbara Ertter with Gary Schoolcraft 1989-7-3 8657 Plumas ca. 8 airmiles s. Susanville (ridge between Red Rock and Diamond Mt.) 2225 Comment
  SEINET10740848 Image available Lomatium plummerae var. helleri A. Arthur Heller 1913-6-13 Heller 10838 Plumas Near Marston Station. 1067 Comment
  CDA18659  Lonicera hispidula var. vacillans G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-26 3378 Plumas Sierra Nevada; Madrone Lake. 600 Comment
  RSA101488  Lonicera involucrata R. Weatherby 1955-6-26 1557 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  CHSC54467  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1991-7-30 4787 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC200957  Lotus A. A. Heller 1938-7-2 15231 Plumas Just outside of Quincy 1097 Comment
  RSA29208  Lotus argophyllus var. fremontii J. T. Howell 1951-6-29 27767 Plumas Feather River Canyon 549 Comment
  UC80914  Lotus crassifolius var. crassifolius Mrs. R. M. Austin Jul 1876 Plumas Mill Creek Comment
  JEPS48701  Lotus incanus Leland S. Smith 1925-4-20 1554 Plumas Grizzley Ridge Tahoe National Forest 975 Comment
  CDA14763  Lotus nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3337 Plumas Indian Creek Bridge 0.1 mile northwest of junction with road to Antelope Lake dam. 1584 Comment
  UC80950  Lotus nevadensis var. nevadensis R. M. Austin Jul 1896 460 Plumas Lassens Peak Comment
  UCR3561  Lotus oblongifolius Wm. Horn Jr. 1963-6-19 630619- 3 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  JEPS105486  Lotus oblongifolius Holly Forbes and Barbara Keller 2003-7-9 28 Plumas along road opposite Gold Lake Staging Area Comment
  RSA755326  Lotus oblongifolius var. oblongifolius L. Ahart, John Dittes 2009-7-13 16046 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC1129104  Lotus oblongifolius var. oblongifolius F. W. Embree 1934-6-6 73 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CDA27293  Lotus purshianus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .279 Plumas On route 70 W of Storrie on sunny south-facing cliff Comment
  SEINET10452005  Lotus purshianus Mary Susan Taylor 1974-7-3 Taylor 298 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET5327362  Lotus tenuis W. Harnach, N. Harnach 2000-8-23 991 Plumas Sierra Valley; 1 mi E of the intersection of Dyson Lane and Co. Road A-24, on Dyson Lane 1494 Comment
  CDA14583  Lotus wrangelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3066 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  JEPS85670  Lupinus John Thomas Howell 1926-7-30 2154 Plumas Prattville 1310 Comment
  JEPS48769  Lupinus John Warren Duffield 1937-5-27 Plumas Meadow Valley , Grubstake Flats (Grubstake Flats, sw Plumas Co.) Comment
  RSA32781  Lupinus albicaulis subsp. wolfianus A. A. Heller 1938-7-14 15161 Plumas Near Gray's Flat on the Feather River Highway. 869 Comment
  RSA430408  Lupinus albicaulis subsp. wolfianus M. L. Conrad, LeDoux, Kenney 1973-6-5 7050 Plumas Plumas National Forest of Hwy. 70. 1067 Comment
  SEINET10544036  Lupinus albicaulis subsp. wolfianus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7050 Plumas Yellow pine and douglas fir in plumas nat. For. Off hwy 70 1067 Comment
  SEINET5766888 Image available Lupinus albicaulis subsp. wolfianus P. Kenney, Conrad; LeDoux 1973-1 421 Plumas Hwy 89; 5 mi W of jct with Hwy 70 1067 Comment
  UC1129255  Lupinus albicaulis var. shastensis E. Sawyer 1935-6-17 118 Plumas 5 mi sse Crow; Sierraville Quad., sse of Crow Comment
  CHSC36202  Lupinus angustiflorus M. S. Taylor 1982-7-12 4814 Plumas Township: T22N R11E SW1/4 of SW1/4 S04 and NE1/4 of SE1/4 S05. Blue Nose Mt. Cobbly slope along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadow Rd, ca. 6 air mi w of Mohawk. 2072 Comment
  JEPS85921  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 B Plumas along top of Eureka Ridge ca 0.5 mi s of the head, Beckwourth Ranger District Bear Creek; Plumas National Forest, Johnsville Quad., Bear Creek 2103 Comment
  CHSC110001  Lupinus arbustus B. Castro; L. P. Janeway 2006-6-4 1536 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 300 ft N of jcn of McReynolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). 1684 Comment
  JEPS121740  Lupinus arbustus B. Castro and L. P. Janeway 2008-6-6 1736 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) just E of its jcn with small dirt rd to lower Thompson Valley. Comment
  SBBG18800  Lupinus arbustus C. B. Hardham 1961-6-16 7464 Plumas Diamond Peak [Diamond Mountain] Comment
  RSA638998  Lupinus arbustus subsp. silvicola Michael A. Vincent 1999-6-8 8556 Plumas Plumas Natl Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40. Comment
  SEINET10940038  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-21 Taylor 4710 Plumas T23N R11E sw/nw sec 19. Blue Nose Mt quad. Above small creek, ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 0.5 air mi nw of White Cap, ca. 3 air mi sw of Sloat. 5800 ft. 1768 Comment
  CAS-BOT-BC208794  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-10 4620 Plumas SW of 23N72, ca. 1 mi W of Table Rock, ca. 3 air mi NE of Beckwourth 1554 Comment
  CAS-BOT-BC208843  Lupinus argenteus var. meionanthus A. A. Heller; B. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley near Genessee Comment
  SEINET8080989  Lupinus argenteus var. meionanthus A. A. Heller, P. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley near Genessee Comment
  UC1075581  Lupinus breweri E. K. Balls and L. W. Lenz 1956-6-20 21845 Plumas along State Hwy 89 Quincy to Sierraville 5 mi se Graeagle; se of Graeagle 1432 Comment
  SEINET10490669  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-7-10 Taylor 4620 Plumas T23n, r15e nw1/4sw1/4, sec. 7. Reconnaissance peak quad. Corolla blue. Around grassy knoll with large granite boulders, sw of 23n72, ca. 1 Mi. W of Table rock, ca. 3 Air mi. Ne of beckwourth. With phacelia linearis, penstemon Deustus. 1554 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215377  Lupinus dalesiae M. S. Taylor 1982-6-17 4691 Plumas Both sides of 23N44Y, 1.3 miles W of its junction with 23N50Y, ca. 2 air miles SW of SLoat 1493 Comment
  CAS-BOT-BC215386  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas Greenhorn Creek, ca. 1.5 miles NE of Quincy, American Valley 1066 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
  CAS-BOT-BC215401  Lupinus dalesiae W. J. Follett 1930-5-1 s.n. Plumas In mountains, near Virgilia 1371 Comment
  CHSC35902  Lupinus dalesiae M. S. Taylor 1982-5-26 4539 Plumas W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd (23N22), ca. 4 air mi sw of Spring Garden. 1249 Comment
  CHSC36197  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas S side of Poplar Creek Rd (23N08), 0.1 mi E of bridge, ca. 1 mi S of Sloat. 1280 Comment
  CHSC88820  Lupinus dalesiae L. Hanson 1988-5-23 331 Plumas Plumas National Forest. Five Corners at Deadwood Saddle. 1463 Comment
  UCD107631  Lupinus dalesiae M. S. Taylor 1982-6-16 4680 Plumas along spur rd off Thompson Creek Rd (24N26), 0.2-0.3 mi from its jct, ca. 3 mi se of Quincy. Comment
  SEINET10452041  Lupinus dalesiae Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3833 Plumas T23N R12 E ne sec 17; Johnsville quad. N side of Rd 23N11, ca. 3 mi S of Happy Valley, near head of Cogswell Ravine, ca. 2 air mi E of Cromberg on Hwy 70; elevation ca. 5800 ft. 1768 Comment
  SEINET10485186  Lupinus dalesiae Taylor 1982-7-12 Taylor 4817 Plumas Johnsonville quad. Corolla white pale blue and pale yellow. Along eureka Ridge, on eureka peak rd (22n75y), .5 air mi south of its jct with mcrae Meadows turnoff, ca. 6 Air mi west of mohawk. With pedicularis semibarbata. Possible hybrid with l. Dalesae x albicaulis. 2103 Comment
  SEINET10485195  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4689 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite Roadcut, s side of 23n44y, 0.2 - 0.3 mi. W of its jct with bell bar creek rd (23N50y), ca 2 air mi. Sw of sloat. With collinsia torreyi, rives nevadense. 1494 Comment
  SEINET10906996  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4539 Plumas T23N R10E ne/sw sec 10. Blue Nose Mt quad. W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd, ca. 4 mi sw of Spring Garden. 4100 ft. 1250 Comment
  SEINET10937075  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24n r10e nw1/4sw1/4 sec 33. Spring garden quad. Corolla yellow. Mixed Evergreen forest, on open bare phyllite roadcut, n side of 24n26, 0.5 mi. W of Its jct with quincy-laporte rd, ca 3 mi. Se of quincy. With lathyrus Nevadensis. 1646 Comment
  SEINET10940043  Lupinus dalesiae Mary Susan Taylor 1982-6-7 Taylor 4616 Plumas T24N R8E nw/nw sec 10. Bucks Lake NE quad. Along spur rd off Burton Gulch Rd along Spanish Creek, ca. 2 air mi n of Meadow Valley. 4000 ft. 1219 Comment
  CHSC67655  Lupinus formosus James D. Jokerst 1985-6-10 2412 Plumas Indian Creek Small Hydo Survey. Upper Edge of reconstruction zone of Hwy. 70. Comment
  UC1129474  Lupinus grayi A. Lewis 1934-6-12 469 Plumas 4 1/4 mi sw Lexington Hill (Mooreville Ridge); Plumas National Forest, Bidwell Bar Quadrangle, Moorevile Ri Comment
  SEINET10484000  Lupinus grayi Mary Susan Taylor 1982-5-13 Taylor 4435 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  SEINET10490337  Lupinus grayi Mary Susan Taylor 1982-6-17 Taylor 4693 Plumas T23n r11e ne1/4se1/4 sec 18. Blue nose mt quad. Open bare foadbank, s side of T23n44y, 1.8 mi w of its jct with bell bar creek rd (23n50y), ca 2 air mi. Sw Of sloat. 1524 Comment
  SEINET10490347  Lupinus grayi Mary Susan Taylor 1982-6-3 Taylor 4603 Plumas T23n r11e nw1.4ne1.4 sec 22. Johnsville quad. On serpentine cut bank, w side Of poplar creek rd (23n08), just s of bridge over poplar creek, 1 mi. S of Sloat. 1280 Comment
  UCD108182  Lupinus latifolius var. columbianus A. A. Heller 1915-7-7 12051 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
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Apr 1 2012
  CHSC48529  Lupinus lepidus var. confertus Vernon Oswald 1986-8-7 2271 Plumas Hwy 89 ca. 0.2 mi w of Lake Almanor spillway. 1371 Comment
  JEPS102615  Lupinus lepidus var. confertus Lowell Ahart 2001-7-11 8886 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  UC1129513  Lupinus lepidus var. confertus C. G. Albertus 1935-7-20 218 Plumas 1 1/2 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  JEPS102823  Lupinus lepidus var. sellulus Lowell Ahart 2001-8-29 9267 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1129518  Lupinus lepidus var. sellulus E. Sawyer 1935-6-27 205 Plumas 1.4 mi se Crow; Sierraville Quadrangle Comment
  SBBG128049  Lupinus lepidus var. sellulus L. Ahart, J. Dittes, J. Guardino 2009-7-22 16136 Plumas W side of Forest Service Rd 27N92K, E side of Long Valley, ca. 3.5 mi WSW of Greenville, ca. 5.2 mi SE of Lake Almanor Dam 1606 Comment
  RSA715535  Lupinus onustus John Dittes, Josephine Guardino, Eva M Dittes 2005-6-4 1145 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  UCR274629  Lupinus onustus Daisie Huang 2006-8-11 60811- 08 Plumas Forest Rd. 28N38, 4.9 miles ENE of its junction with Old Haun Rd. 1745 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
  CAS-BOT-BC323948  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-7 4787 A Plumas Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca 1 mi W of Blairsden. 1341 Comment
  SEINET10484150  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-7 Taylor 4787 A Plumas T22N R12E sw/ne sec 9. Johnsville quad. Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca. 1 mi w of Blairsden. 4400 ft. 1341 Comment
  SEINET10484153  Lupinus sellulus var. artulus Mary Susan Taylor 1982-6-11 Taylor 4638 Plumas T28N R7E nw/se sec 5. Chester quad. S side of Hwy 36, w side of Lake Almanor, ca. 0.5 mi e of Chester. 4500 ft. 1372 Comment
  RSA232876  Lupinus stiversii L. S. Rose 1968-6-12 68111 Plumas Feather River Canyon, 4 mi. w. of Belden. 610 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
  CAS-BOT-BC436591  Luzula cascadensis Brink; Mayer 1975-7-2 s.n. Plumas Sierra Nevada: Bucks Lake area Comment
  UCD142069  Luzula comosa Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  CHSC66776  Luzula divaricata Vernon H. Oswald; Lowell Ahart 1996-8-14 8168 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Along a streamlet on the uphill side of the road. 1645 Comment
  CHSC23614  Lychnis coronaria K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  CHSC63704  Lycopus uniflorus Vernon H. Oswald 1994-9-6 6474 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  UC1584576  Lycopus uniflorus Dean W. Taylor 1990-8-20 11463 Plumas along minor unnamed tributary Little Willow Lake; Lassen Volcanic Nat'l Park, Reading Peak 7 1/2' Quad. 1844 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
  SEINET5343089  Lythrum portula W. Harnach, N. Harnach 2000-8-2 963 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth Sierra Valley Farms 1488 Comment
  CHSC54391  Madia citrigracilis Vernon H. Oswald 1991-7-8 4699 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the south park boundary. 1676 Comment
  CAS-BOT-BC343794  Madia elegans Mary Strong Clemens 1920-6-29 s.n. Plumas Quincy Comment
  UC1069859  Madia elegans E. Sawyer 1935-7-9 276 Plumas 4 1/2 mi s Crow; Plumas National Forest, Sierraville Quadrangle 1828 Comment
  CAS-BOT-BC344471  Madia exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54193 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  OBI15721  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather river, .5 mi N of Rich Bar 823 Comment
  RSA670120  Madia exigua June McCaskill 326 Plumas Lake Almanor region [?] Comment
  CAS-BOT-BC342860  Madia glomerata M. S. Taylor 1981-8-28 4246 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio 1432 Comment
  JEPS89648  Madia glomerata Dean W. Taylor 1992-8-23 13216 Plumas along Hwy. 89 1.3 mi. n. of junction w/ Humbug-Humboldt Rd. (Lake Almanor region); Feather R. Watershed, Lake Almanor region 1417 Comment
  CHSC100320  Madia gracilis Lowell Ahart 2008-8-13 15166 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
  CHSC59905  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. In dirt road and adjacent clear-cut slope. 1731 Comment
  CAS-BOT-BC343261  Madia gracilis David D. Keck 1932-7-6 1717 Plumas Halfway between Prattville and Chester 1340 Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  SD8619  Madia gracilis Daniel Cleveland 1882-7-22 Plumas Practorville Comment
  CHSC87835  Maianthemum racemosum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CAS-BOT-BC512094  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1945 Plumas Fern Glen; Butterfly Botanical Area and Vicinity 1097 Comment
  SDSU11969  Maianthemum stellatum R. M. Beauchamp 1965-7-17 Plumas Growing in shady area subject to flooding in field next to Feather River, 1/2 mile north of Chester. Comment
  CAS-BOT-BC324549  Malacothrix John Thomas Howell; H. Keith Wagnon 1980-5-28 53701 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River, Sierra Nevada 853 Comment
  UC336491  Malacothrix floccifera unknown Jul. 1883 Plumas Indian Valley Comment
  CAS-BOT-BC140196  Malus John Thomas Howell 1959-9-21 34783 Plumas N. Fk. Feather River near Belden 701 Comment
  CHSC34937  Matricaria discoidea M. S. Taylor 1981-5-11 3683 Plumas Around private residence, ca. 0.5 mi s of Flournoy Bridge and jct of Hwy 89 and Bechwourth turnoff, ca. 5 air mi e of Genesee. 1158 Comment
  CAS-BOT-BC348172  Matricaria discoidea John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1979 Plumas Butterfly Botanical Area and Vicinity. In valley proper near barn 1036 Comment
  UCD134458  Matricaria discoidea Matt Georgeff 1992-5-17 18 Plumas Snake Lake campground, 1/2 mile west main campground at lake edge. Comment
  CHSC60184  Medicago lupulina L. P. Janeway 1992-7-8 4250 Plumas Plumas National Forest. Little-used pasture flat between Middle Fork Feather River and Mohawk Ranger Station, just west of Bonta Creek. 1319 Comment
  CAS-BOT-BC269219  Melica aristata Lowell Ahart 1977-7-26 1478 Plumas One-half mile below the Bunker Hill Mine. The Bunker Hill Mine is about ten miles north-east of La Porte 2000 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
  UCD86261  Melica aristata G. L. Stebbins Jr. 1939-7-6 2909 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC282083  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43292 Plumas 2.5 miles from Quincy Junction on road to Mt Hough 1249 Comment
  CAS-BOT-BC282085  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43346 Plumas Summit ridge of Mount Hough 2194 Comment
  CAS-BOT-BC282091  Melica fugax Gladys L. Smith 1976-6-7 4585 Plumas N end summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  SEINET10599380  Melica fugax Lowell Ahart 1989-7-2 Ahart 6342 Plumas On north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. Red Fir Forest. Normal size plant. Small Onion Grass. Comment
  CHSC103124  Melica subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  JEPS87715  Melica subulata Lowell Ahart 1994-6-17 7355 Plumas about 1 mi e Sly Creek Reservoir (meadow on e side of Sly Creek, about 1 mi n of Schwartz Meadow) 1097 Comment
  CHSC102148  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC24283  Mentha canadensis K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. 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
  CDA15895  Mentzelia dispersa B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; about headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC170847  Mentzelia veatchiana W. Harnach; N. Harnach 1990-6-16 383 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CHSC50554  Menyanthes trifoliata Vernon Oswald 1990-6-22 4316 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. Common emergent aquatic along the marshy margin of the lake and on floating sphagnum bogs. 1767 Comment
  UC1609428  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  CAS-BOT-BC428605  Micranthes bryophora Emily McPherson 1975-8-31 779 Plumas Ridge above Round Lake toward Mt. Elwell; Lakes Basin. 1981 Comment
  CAS-BOT-BC428603  Micranthes bryophora Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC429148  Micranthes odontoloma Rimo Bacigalupi 1927-7-7 1639 Plumas Grey Eagle Valley & Long Lake Comment
  CDA14122  Microseris nutans G. F. Hrusa 1997-5-3 13812 Plumas Sierra Nevada; Slope on W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. 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
  POM290244  Microseris nutans Lyman Benson 1932-7-29 3987 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS35650  Microseris nutans W. L. Jepson 1910-6-4 4057 Plumas Big Meadows Big Meadows (Pine Flats) 1341 Comment
  SEINET3365893 Image available Mimulus breweri Barbara Ertter, Jeffrey Strachan 1980-7-31 3889 Plumas Plumas National Forest; Dixie Creek ca 3/4 mile east of Milford-Beckwourth Road (near cattle guard) 1707 Comment
  JEPS28644  Mimulus breweri George W. Gillett 1957-7-19 841 Plumas on trail to Sifford Lakes (slopes across from the Devils Kitchen); Lassen Volcanic National Park 1981 Comment
  RSA60116  Mimulus guttatus E. K. Balls 1950-9-2 15636 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  CDA19327  Mimulus mephiticus G. D. Barbe 1982-6-17 3820 a Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC94777  Mimulus moschatus Lowell Ahart 2006-10-8 13399 Plumas 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
  JEPS81483  Mimulus nanus var. mephiticus M. S. Taylor 1982-7-12 4815 Plumas ca. 6 mi nw Mohawk (on s side of Eureka Ridge Rd. (23N09), 0.9 mi nw of its jct. with McRae Meadows Rd.); Blue Nose Mt. quad. 2072 Comment
  UC125170  Mimulus nanus var. mephiticus Mrs. C. C. Bruce Aug. 1896 Plumas Indian Valley Grade Comment
  UC1185293  Mimulus primuloides H. E. Brown Aug 1 1897-Aug 15 1897 603 Plumas near Lassen Buttes 1828 Comment
  JEPS113523  Mimulus suksdorfii Lowell Ahart, John Dittes 2007-6-16 14105 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS28121  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas 5.8 mi e Beckwourth; Sierra Nevada 1493 Comment
  RSA59177  Mimulus tilingii E. K. Balls 1950-9-1 15603 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  JEPS103324  Mimulus torreyi Lowell Ahart 2002-6-26 9766 Plumas On the E side of the poor road, ca 1 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1760 Comment
  JEPS13354  Mimulus torreyi H. E. and S. T. Parks June, 1928 2417 Plumas Drakesbad Resort, head of valley Lassen National Park, Warner Valley 1798 Comment
  RSA337276  Mimulus torreyi Noel Holmgren, Patricia K. Holmgren 1980-6-29 9440 Plumas California Hwy 36, 6.5 km (4 mi) west of Westwood. 1490 Comment
  UC1125785  Moehringia macrophylla P. G. Haddock 1938-5-29 10 Plumas near Rock Creek; Plumas National Forest, Downieville Quadrangle, Rock Creek Comment
  HSC95522  Monardella follettii L. P. Janeway 1993-7-15 4439 Plumas Slope overlooking Virgilia (E Branch N Fork Feather River) at saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of E Branch N Fork Feather River) 1564 Comment
  UCSC008319  Monardella follettii Brett Smith 2012-7-27 BAS 014 Plumas 65m W of unnamed stream, 110 m NE of big bend in FS road that cuts W through Cottonwood Meadow 1341 Comment
  SEINET10582325  Monardella follettii A. Graff 1993-7-22 Graff 309 Plumas Plumas National Forest. Meadow Valley Rd. south, on southeast-facing road shoulder. T25N,R8E,S29. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582332  Monardella follettii A. Graff 1993-7-22 Graff 317 Plumas Plumas National Forest. Meadow Valley Rd. south, .55 mile up from Union Pacific RR crossing, on the left road cut. T25N,R8E,S20. Locally infrequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  CHSC104777  Monardella odoratissima subsp. glauca L. P. Janeway 2010-8-19 10167 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 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
  CHSC43979  Monardella odoratissima subsp. pallida L. P. Janeway 1987-5-28 2104 Plumas Along county rd A-14 just se of turn to Almanor Peninsula. 1402 Comment
  CHSC58171  Monardella odoratissima subsp. pallida Vernon H. Oswald 1992-6-18 4997 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  CHSC61923  Monardella odoratissima subsp. pallida Lowell Ahart 1993-9-24 7264 Plumas On the north side of Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
  CHSC93084  Monardella odoratissima subsp. pallida L. P. Janeway 1994-7-8 4692 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  POM161710  Monardella odoratissima subsp. pallida R. C. Bacigalupi 1927-7-7 1642 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  RSA0039302  Monardella odoratissima subsp. pallida Lowell Ahart 2008-8-13 15175 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC222108  Monardella odoratissima subsp. pallida Clarence R. Quick 1963-7-24 63 -61 Plumas 1.5 miles east of Wheeler Peak Comment
  JEPS63414  Monardella odoratissima subsp. pallida R. H. Platt 1891-1 Plumas Big Meadows High Sierras Comment
  CAS-BOT-BC220483  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC220485  Monardella sheltonii John Thomas Howell 1975-7-22 51370 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC52050  Monardella sheltonii L. P. Janeway 1989-6-9 3285 Plumas Cyn of E Br N Fk Feather River; s'ly facing roadcut along hwy 70 6.4 mi E of river mouth and Caribou Rd. 853 Comment
  CHSC52054  Monardella sheltonii L. P. Janeway 1989-7-6 3459 Plumas Plumas National Forest. S-facing volcanics outcropping 'barren' area above Jackson Cr and Middle Fk Feather River; 2.3 mi from hwy 89/70 on rd 23N11, then 1.1 mi on 23N48. 1645 Comment
  CHSC67973  Monardella sheltonii James D. Jokerst 1989-7-3 3117 Plumas Serpentine canyon on Hwy. 70 6.4 mi E of Caribou Rd. Comment
  CHSC67978  Monardella sheltonii James D. Jokerst 1989-7-3 3118 Plumas Serpentine canyon on Hwy. 70 3.0 mi E of Caribou Rd. Comment
  CHSC70266  Monardella sheltonii B. Castro 1989-8-4 343 Plumas Ca 3.5 air mi S of Bucks Lake, on N-facing flank of Mt. Ararat, near jct USFS Rds 23N19, 23N55, and the road to the top of Mt. Ararat. 1737 Comment
  CAS-BOT-BC220491  Monardella sheltonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54192 Plumas 1.9 miles north of Grays Flat on road to Long Valley 1249 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
  SEINET10829413  Monardella sheltonii A. Graff 1993-7-22 Graff 301 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. Comment
  CHSC67990  Monardella stebbinsii James D. Jokerst 1989-7-3 3120 Plumas Caribou Rd. 3.8 mi N of Hwy. 70, W of road. Comment
  CAS-BOT-BC220208  Monardella stebbinsii G. L. Stebbins; C. Epling 1968-8-2 6840 Plumas East Branch, North Fork of Feather R., 1 mile east of Rich Bar 1036 Comment
  CHSC110296  Montia chamissoi B. Castro; L. P. Janeway 2006-6-3 1550 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  SEINET10572656  Montia chamissoi Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3864 Plumas T24N R13E se sec 8. Grizzly Valley quad. In wet meadow along creek, ca. 1/4 mi S of jct of 24N08 and 25N93, ca. 1 air mi NW of Bagley Pass, ca. 0.5 mi S of Red Clover Valley; elevation ca. 5700 ft. 1737 Comment
  CAS-BOT-BC444860  Montia fontana John Thomas Howell 1960-7-18 35522 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS113611  Montia linearis Lowell Ahart, John Dittes 2007-6-16 14087 Plumas Meadow area on the sides of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC445100  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  CHSC54549  Muhlenbergia filiformis Vernon H. Oswald 1991-8-5 4802 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On margins of lake. 1844 Comment
  JEPS102719  Muhlenbergia filiformis Lowell Ahart 2001-10-8 9314 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  POM114421  Muhlenbergia filiformis Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SACT001594  Muhlenbergia filiformis Malcolm Nobs, S. Smith 1949-8-18 Plumas Comment
  CAS-BOT-BC275036  Muhlenbergia richardsonis John Thomas Howell 1959-9-25 34992 Plumas Feather RIver, Portola 1478 Comment
  CHSC110612  Muhlenbergia richardsonis B. Castro; G. Kuenster 2006-8-4 1585 Plumas Northern Sierra Nevada. SW side of lower Thompson Valley 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, near low knolls with rounded granitic rock outcrops, ca 100 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  CHSC94837  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
  UC480853  Myosurus apetalus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC87814  Myosurus apetalus var. borealis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11064 Plumas On the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
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Apr 8 2009
  RSA312422  Myosurus aristatus H. L. Mason 1953-7-8 14559 Plumas 1/2 as long as claw, 6 miles SE of Beckwourth on road from Beckwourth to Loyalton across valley Comment
  CHSC97589  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
  SEINET8693489  Myosurus minimus W. Harnach 1989-4-16 032 Plumas Sierra Valley, Marble Lane, 0.75 W of Steel Bridge. 1487 Comment
  CHSC114291  Myriophyllum hippuroides B. Villegas 2008-7-24 Plumas Indian Creek, south of Crescent Mills, near County Road A22. Comment
  SD130500  Myriophyllum sibiricum Fred Sommers 1976-8-10 200 Plumas Sierra Valley Marsh, from ditch along Dyson Lane. 1524 Comment
  CDA37253  Myriophyllum spicatum B. Villegas 2008-7-22 s.n. Plumas The Middle Fork of the Feather River near Highway 89. 0 Comment
  CHSC56547  Nama lobbii L. P. Janeway 1984-7-15 923 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  CHSC78761  Narthecium californicum L. P. Janeway 2000-7-16 6905 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  UC1075682  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley near Quincy; Butterfly Valley 1219 Comment
  SEINET10448298  Nasturtium officinale Mary Susan Taylor 1982-5-23 Taylor 4509 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  JEPS113464  Navarretia breweri Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13996 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC572626  Navarretia breweri E. Sawyer 1935-6-27 211 Plumas Mouth of Dixie Valley Plumas National Forest, Sierraville Quad. 1554 Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  CHSC117553  Navarretia capillaris Lowell Ahart 2016-7-9 21099 Plumas 10 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest Tamarack Flat, about 3 1/2 miles (air) northwest of Little Valley Resevoir Dam. 1759 Comment
  CHSC92183  Navarretia 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
  UC963762  Navarretia divaricata Herbert L. Mason 1924-6-18 1062 Plumas near Gold Lake Comment
  UC908379  Navarretia divaricata J. T. Howell 1926-6-26 2124 Plumas 1 mi s Prattville; Lake Almanor 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
  JEPS113462  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14015 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC20779  Navarretia leptalea K. R. Stern 1975-7-23 5836 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC26156  Navarretia leptalea Detzer; Sacks 1977-7-28 33 Plumas Roadbank. 1853 Comment
  CHSC85675  Navarretia leptalea G. F. Hrusa; T. D. Wilfred 1996-7-23 13404 A Plumas Sierra Nevada. On old log landing at terminus of USFS 23N22D. [Original lat./long. on label is '39 53 N; 120 49 W']. 1630 Comment
  RSA59671  Navarretia leptalea subsp. bicolor E. K. Balls 1950-9-9 15739 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CDA13989  Navarretia leucocephala subsp. minima G. F. Hrusa 1996-8-2 13451 Plumas Sierra Nevada; at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Comment
  JEPS106319  Nemacladus capillaris Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11013 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
  RSA298989  Nemacladus capillaris Francia Chisaki, Isabelle Tavares 1956-6-1 902 Plumas Along State Highway 89, 6.7 miles west of Virgilia. Comment
  RSA71313  Nemacladus interior L. S. Rose 1951-6-29 51081 Plumas Rock Creek, Feather River 550 Comment
  CHSC27521  Nemophila heterophylla Michael F. Henetz 1978-4-22 19 Plumas E bank Murphy Creek. Ca/ 20 m n of Murphy Creek confluence with North Fork Feather River, ca. .4 km ne of Rock Creek Dam on Hwy. 70. 735 Comment
  JEPS28632  Nemophila pedunculata George W. Gillett 1957-7-18 820 Plumas North end of Willow Lake Meadow Lassen Volcanic National Park, n end Willow Lake Meadow (near the main inlet, Lassen Volcanic National Park) 1661 Comment
  SEINET5520937  Nemophila pedunculata W. Harnach, N. Harnach 1989-3-29 008 Plumas Sierra Valley, hillside north of Barry corrals 1585 Comment
  POM181056  Nemophila pedunculata A. A. Heller, P. B. Kennedy 1907-7-4 8734 Plumas Meadow 2 miles S of Red Clover valley. Comment
  UC606961  Nemophila spatulata L. Constance 1938-6-10 2319 Plumas near Lake Almanor (Feather River at Chester); , near Lake Almanor 1219 Comment
  UC1075662  Nuphar lutea subsp. polysepala Robert J. Weatherby 1950-7-28 1497 Plumas Snake Lake near Quincy; Snake Lake 1219 Comment
  SD6157  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
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Jul 11 2010
  SD7985  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET5345675  Oenothera deltoides var. piperi M. J. Williams, L. Wise 1976-5-31 76- 21 -2 Plumas Between Chilcoot and Vinton, Sierra Valley 1554 Comment
  CHSC114418  Orcuttia tenuis Beth Corbin 1992-7-9 690 Plumas Large vernal pool just NW of Almanor Rest Area, on Highway 89 on the W side of Lake Almanor. 1402 Comment
  CHSC21821  Oreostemma alpigenum var. andersonii F. T. Griggs; A. Pass 1975-8-5 307 Plumas Bucks Lake Forest Service Survey. Comment
  UC29816  Oreostemma alpigenum var. andersonii R. H. Platt 1891-7-1 Plumas near Prattville Comment
  UCD134695  Oreostemma elatum Malcolm A. Nobs; S. Galen Smith 1949-8-19 1432 Plumas at Butterfly Valley. Comment
  CHSC80846  Orobanche californica subsp. jepsonii Lowell Ahart 2001-7-17 8926 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS113435  Orobanche californica subsp. jepsonii Lowell Ahart, John Dittes 2007-8-9 14451 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  UC1037289  Orobanche corymbosa subsp. corymbosa Leo Whitney 1934-8-15 1698 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. Comment
  CHSC100441  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  SBBG100024  Orthocarpus cuspidatus subsp. copelandii B. Ertter 1988-7-25 7859 Plumas Pierce Crk, Diamond Mts, ca. 15 air mi S of Susanville Comment
  CHSC68878  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald; Lowell Ahart 1997-6-24 8627 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground. 1993 Comment
  RSA59681  Orthocarpus hispidus E. K. Balls 1950-9-9 15750 Plumas West of Lakes Center Public Campground at south end of small lake. 2043 Comment
  POM180985  Orthocarpus luteus A. A. Heller, P. B. Kennedy 1907-7-19 8884 Plumas Vinton. Comment
  CDA13402  Osmorhiza occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13251 Plumas Sierra Nevada; below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC317172  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1968-6-11 2392 Plumas In wet area on east side of Butterfly Valley Comment
  CAS-BOT-BC121011  Paeonia brownii Elmer Ivan Applegate 1921-6-21 5806 Plumas Warner Valley near Drakesbad. Comment
  CDA17265  Panicum acuminatum var. acuminatum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16292 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  UCD32833  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 d Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  CHSC92166  Panicum capillare Lowell Ahart; John Dittes 2005-9-19 12393 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
  SEINET228557 Image available Panicum capillare subsp. capillare Lowell Ahart 1981-9-6 3078 Plumas .5 miles south-west of the intersection of highway 89 and Arlington Road about .5 miles south-west of Crescent Mills Comment
  CAS-BOT-BC175579  Parnassia palustris Walter Knight; Irja Knight 1966-9-12 1757 Plumas Darlingtonia Bog. 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
  CHSC21517  Pectiantia breweri D. Brink; L. Mayer 1975-7-8 Plumas Along a stream above Lower Buck's Lake. Comment
  CHSC61061  Pedicularis attollens Vernon H. Oswald; Lowell Ahart 1993-8-3 5765 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. Common on the N side of the lake. 1926 Comment
  RSA845222  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS118385  Pedicularis racemosa Lowell Ahart 2011-9-17 17666 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  RSA0039305  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  UCD123292  Pedicularis racemosa James I. Mallory 1969-8-21 350 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CHSC56599  Pedicularis semibarbata L. P. Janeway 1984-7-22 928 Plumas Summit above Lookout Rock; 1 1/2 mi northeast of Mt. Ararat. 1815 Comment
  CHSC63279  Pedicularis semibarbata Lowell Ahart 1994-6-15 7339 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  UC366572  Pellaea unknown Jul. 1883 Plumas Indian Valley Comment
  CAS-BOT-BC69356  Pellaea brachyptera Lowell Ahart 1981-6-25 2882 Plumas about 1 mile north of Nelson Creek, about 16 miles northeast of La Porte 1700 Comment
  CHSC60267  Pellaea brachyptera K. B. McShea 1992-4-24 18 Plumas Ca. 1.1 mi n of Jct of Hwy 70 and Citizens Utility Building. ).25 mi n to Keddie Cascades. 6.9 mi e of Quincy. 914 Comment
  UC1861769  Pellaea brachyptera Ruth Kirkpatrick 2005-7-19 1359 Plumas West of Johnsville Museum. Along dirt/rocky road 1630 Comment
  CAS-BOT-BC67610  Pellaea bridgesii M. S. Taylor; H. Swanson 1982-8-11 4969 Plumas Sierra City NW quad.- along N side of Jamison Creek Rd. (507), on cliffs, ca. 1 mi. W of Plumas-Eureka State Park, 1798 Comment
  UC619255  Penstemon deustus J. and H. W. Grinnell 1938-6-11 1093 Plumas Mohawk 1341 Comment
  JEPS32700  Penstemon deustus Lewis S. Rose 1963-6-2 63082 Plumas 4 mi w Virgilia (East Branch North Fork Feather River); East Branch North Fork of Feather River 762 Comment
  CHSC97197  Penstemon deustus var. pedicellatus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13983 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  NY609847  Penstemon deustus var. suffrutescens M. S. Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  JEPS113434  Penstemon gracilentus Lowell Ahart, John Dittes 2007-8-9 14448 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2493 Comment
  NY600702  Penstemon gracilentus G. Schoolcraft 1989-7-3 1935 Plumas Diamond Mountains, near Bear Valley 1735 Comment
  NY600720  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas West edge of Lake Almanor at Prattville 1219.2 Comment
  SEINET4207718  Penstemon gracilentus Mikel R. Stevens 2011-8-27 218 Plumas 6.9 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.4 rd miles beyond Barkers Cabin Rd.; 0 2004 Comment
  SEINET8481969 Image available Penstemon gracilentus Noel H. Holmgren, Patricia K. Holmgren 2014-1 16548 Plumas Sierra Nevada, south of lake Almanor on the south side of Almanor Drive just west of Prattville 1387 Comment
  UC1063169  Penstemon gracilentus C. G. Albertus 1935-8-13 265 Plumas Mt. Ingalls Plumas National Forest, Downieville Quadrangle, Mt. Ingalls 2553 Comment
  CHSC69693  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 A Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  UC1586114  Penstemon janishiae Barbara Ertter with Gary Schoolcraft 1989-7-3 8667 Plumas ca. 7 air mi s Susanville (bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  UCR3602  Penstemon laetus Wm. Horn Jr. 1963-6-24 630624- 02 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  POM186422  Penstemon neotericus D. D. Keck 1932-7-6 1713 Plumas 8 miles N of Greenville on road to Prattville. 1463 Comment
  CHSC28917  Penstemon personatus L. Hanson 1979-7-23 53 Plumas On ridge south of Coldwater Creek near intersection of roads to Kellogg Lookout and to Mt. Ararat. Comment
  SEINET10931300  Penstemon personatus Mary Susan Taylor 1982-6-7 Taylor 4614 Plumas T23N R8E ne/nw sec 3. Bucks Lake NE quad. Jct of Schneider Cr Rd (24N16) & 24N47X, ca. 2.5 air mi s of Meadow Valley. 5200 ft. 1585 Comment
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CHSC42786  Penstemon roezlii L. P. Janeway 1984-7-22 925 Plumas Along OroQuincy Hwy at Bucks Summit. 1716 Comment
  CHSC97010  Penstemon roezlii B. Castro; Shannon Nielsen 2005-7-12 1491 A Plumas Ca 13 air mi NE of town of Feather Falls and 1.5 air mi SE of the Middle Fork Feather River, on spine of Hartman Bar Ridge. Along USFS Rd 22N94, on E edge of road. Site is 0.3 rd mi S of jcn of the main (94) road with a side-road that goes to Hartman Bar Trailhead. 1453 Comment
  JEPS15328  Penstemon roezlii A. Lewis 1934-7-25 521 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  CHSC40931  Penstemon rydbergii K. R. Stern 1985-6-25 8266 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC239592  Penstemon rydbergii var. oreocharis Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC239606  Penstemon rydbergii var. oreocharis E. K. Balls 1950-9-16 15883 Plumas Near fish hatchery, just n. of Plumas-Sierra co. line, Hwy 89 1432 Comment
  CDA19271  Penstemon rydbergii var. oreocharis G. D. Barbe, T. C. Fuller 1982-6-17 3838 Plumas Plumas National Forest; East shore Frenchman Lake, Crystal Fishing Access. 1706 Comment
  UC608833  Penstemon rydbergii var. oreocharis Beryl O. Schreiber 1938-7-9 2521 Plumas 1 mi e Meadow Valley; Bidwell Bar Quad. Comment
  NY661072  Penstemon speciosus C. B. Wolf 1937-9-5 9289 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. Line 1463.0 Comment
  CDA13919  Perideridia bolanderi G. F. Hrusa 1997-5-3 13842 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
  CHSC35933  Perideridia bolanderi M. S. Taylor 1982-6-10 4626 Plumas Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1676 Comment
  UC1778622  Perideridia bolanderi G. Douglas Barbe, T. C. Fuller 1982-7-16 3770 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 mile S of Green Flat, Plumas National Forest. 1981 Comment
  CDA41079  Perideridia bolanderi G. D. Barbe, T. C Fuller 1982-7-16 3770 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  SEINET13944950 Image available Perideridia bolanderi Lincoln Constance, Tsan Iang Chuang 1967-1 3779 Plumas Between Graeagle, and Cliom 1.3 miles southeast of Graeagle. Alt 4500 ft 1372 Comment
  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
  UC1389937  Perideridia lemmonii T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-17 5990 b Plumas Lake Almanor; w side Comment
  CAS-BOT-BC222766  Perideridia parishii Lewis S. Rose 1966-7-27 66066 Plumas Butterfly Valley, 3 mi. w. of Keddie 1036 Comment
  OBI8819  Perideridia parishii Lewis S. Rose 1966-7-27 66066 Plumas Butterfly Valley, 3 mi w of Keddie 1067 Comment
  CHSC45878  Perideridia parishii subsp. latifolia Lowell Ahart 1977-8-2 1534 Plumas Along the edge of a small stream, about 1 mile west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  CHSC70218  Perideridia parishii subsp. latifolia B. Castro; R. Fallsheer 1989-8-7 354 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.4 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1752 Comment
  JEPS28606  Perideridia parishii subsp. latifolia George W. Gillett 1957-7-17 784 Plumas Willow Lake inlet Lassen Volcanic National Park (side gully) 1767 Comment
  CAS-BOT-BC413557  Persicaria amphibia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC419041  Persicaria lapathifolia John Thomas Howell 1959-9-26 35072 Plumas Feather River Canyon. Ca. 1.5 mi. w. of Belden 682 Comment
  UC1208874  Phacelia hastata C. W. Hanks 1934-8-6 3 Plumas Upper Sierra Valley Plumas National Forest, Sierraville Quadrangle 1554 Comment
  CHSC36339  Phacelia hastata subsp. hastata M. S. Taylor 1982-6-28 4756 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures s side of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC134016  Phacelia hastata var. hastata Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt. 2133 Comment
  RSA170282  Phacelia heterophylla subsp. virgata W. L. Jepson 1910-6-16 4138 Plumas Near Keddie 1067 Comment
  CHSC118706  Phacelia heterophylla var. virgata Wendy L. Boes; Jim Battagin 2015-5-12 2015001 F Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  CHSC110000  Phacelia humilis B. Castro; L. P. Janeway 2006-6-4 1537 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 300 ft N of jcn of McReynolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). 1684 Comment
  SD133942  Phacelia humilis Barbara Ertter, Gary Schoolcraft 1989-7-3 8636 Plumas near Bear Creek crossing on Lone Rock road, Diamond Mts. Ca 9 airmiles S of Susanville Comment
  CHSC102437  Phacelia humilis var. humilis L. P. Janeway; B. Castro 2009-6-7 9801 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 180 m southwest of Thompson Valley Creek. 1672 Comment
  OBI76964  Phacelia hydrophylloides Anthony Baniaga 2011-8-2 481 Plumas Lassen Natl Forest. Along F.S 10, 30 ft E of rd, ca 1/8 mi SW of Echo Lake. red cinder Quad T30N R7E sec 26 sE of SW 1950 Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  JEPS26571  Phacelia linearis Lauramay T. Dempster 1961-6-16 1464 Plumas ridge n Red Rock (n of Engelmine) Comment
  UC185300  Phacelia linearis Katharine Brandegee Plumas Portola Comment
  RSA88081  Phacelia mutabilis J. T. Howell 1951-6-26 27531 Plumas Near Rich Bar. 793 Comment
  JEPS28672  Phacelia racemosa George W. Gillett 1957-7-13 746 Plumas gullies near trail up the Flatiron from Drakesbad (near juncture of Bench Lake and Devils Kitchen trails); Lassen Volcanic National Park 1859 Comment
  CHSC60175  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  CHSC9710  Philadelphus lewisii Nancy Mosman 1971-7-11 77 Plumas Along w side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  JEPS49593  Philadelphus lewisii W. L. Jepson 1924-7-23 10628 Plumas Rich Point Middle Fork Feather Tiver 914 Comment
  UC725479  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CAS-BOT-BC260848  Phleum pratense John Thomas Howell 1959-9-21 34725 Plumas Belden, Sierra Nevada 701 Comment
  CAS-BOT-BC260853  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor 1828 Comment
  CAS-BOT-BC260855  Phleum pratense Walter Knight; Irja Knight 1966-9-12 1699 Plumas Pond Reservoir, Butterfly Bontanical ARea and Vicinity 1097 Comment
  CHSC52970  Phleum pratense L. P. Janeway 1989-6-30 3435 Plumas Plumas National Forest. 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
  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
  RSA59338  Phleum pratense E. K. Balls 1950-9-8 15705 Plumas Lakes Center Public Campground 2043 Comment
  RSA726389  Phleum pratense L. Ahart, Josephine Guardino 2007-7-21 14360 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. 1788 Comment
  CDA18595  Phlox diffusa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3264 Plumas Sierra Nevada; Summit of Mt. Hough. 2194 Comment
  UC535991  Phlox diffusa Elmer I. Applegate 1929-6-21 5818 Plumas Warner Valley, Kelly's Camp Mt. Lassen Region Comment
  UC567209  Phlox hoodii subsp. canescens E. Sawyer 1935-5-21 8 Plumas 3.25 mi ene Beckwith Butte; Sierraville Quad. 1524 Comment
  UC1583984  Phlox speciosa G. Schoolcraft 1990-5-9 2027 Plumas about 1 mi w Crescent Mills 1463 Comment
  CHSC75478  Phoenicaulis cheiranthoides G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3254 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  SEINET10492840  Phoradendron juniperinum var. ligatum Mary Susan Taylor 1982-5-17 Taylor 4464 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
  HSC18708  Physocarpus capitatus L. S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 mi. S of Keddie 991 Comment
  OBI10125  Physocarpus capitatus Lewis S. Rose 1966-7-27 66064 A Plumas Butterfly Creek and Spanish Crk; 1 mi S of Keddie 991 Comment
  UC1351093  Pinus contorta subsp. murrayana E. Fritz 1936-6-21 8206 Plumas Flat 1722 Comment
  RSA795725  Pinus contorta var. murrayana L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC78694  Pinus jeffreyi Alice Eastwood 1927-6-27 14895 Plumas on road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  OBI69215  Pinus monticola Kristina L. Schultz, Dan Schultz 2000-11-4 9 Plumas Gold Lakes Basin. Located along N shore of Gold Lake, gold Lake rd off of hwy 89 1951 Comment
  UC1351098  Pinus monticola E. Fritz 1936-7-12 8224 Plumas Plumas County 335 Comment
  CHSC55466  Pinus ponderosa Ben Cunningham 1991-4-20 26 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  SEINET1930895  Pinus ponderosa G. A. Pearson 1915-7-9 Plumas Near Quincy, Plumas National Forest 1066 Comment
  UC127440 Image available Plagiobothrys A. A. Heller and P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Beckwith Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  CHSC53581  Plagiobothrys cusickii L. P. Janeway 1989-7-25 3522 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. In drainage channel. 1737 Comment
  CHSC81106  Plagiobothrys cusickii Lowell Ahart 2001-8-29 9231 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET13710066  Plagiobothrys cusickii Lowell William Ahart, Lowell William Ahart 2001-1 9210 Plumas Lake Almanor, about 3/4 Mi. NW of Chester (T28N, R7E, sec. 4, NE 1/4) 4500 Ft. 1372 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  JEPS103404  Plagiobothrys hispidulus Lowell Ahart 2002-7-2 9824 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  CAS-BOT-BC230958  Plagiobothrys hispidulus George W. Gillett 1957-7-18 818 Plumas Lassen Volcanic National Park. Inlet to Willow Lake from Little Willow Lake, N end of meadow Comment
  CAS-BOT-BC230978  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  CHSC20807  Plagiobothrys hispidus K. R. Stern 1975-7-23 5844 Plumas W shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC228468  Plagiobothrys mollis Fred Sommers 1976-6-16 133 Plumas Sierra Valley. S of Marble Lane 1487 Comment
  RSA201338  Plagiobothrys scouleri var. hispidulus J. T. Howell 1960-7-19 35613 Plumas Drakesbad 1677 Comment
  RSA60118  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-9-2 15642 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  RSA39779  Plagiobothrys scouleri var. hispidulus P. A. Munz 1947-5-16 11826 Plumas 8 miles north of Chilcoot. 1524 Comment
  SJSU7540  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Butterfly Valley c. 3 mi W of Keddie 1219 Comment
  OBI20915  Plagiobothrys tenellus Lewis S. Rose 1967-5-6 67058 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  CHSC81806  Plantago major Lowell Ahart 2001-10-16 9382 Plumas On the north side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1365 Comment
  JEPS95163  Plantago major Lowell Ahart 1997-9-11 7897 Plumas about 5 air mi ne of Beldon (on w edge of Caribou Road on w side of the North Fork of Feather River, about 1/8 mi s of Mosquito Creek); North Fork of Feather River 792 Comment
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Aug 20 2009
  SEINET9171248  Plantago major W. Harnach, N. Harnach 1990-6-27 423 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and railroad tracks. 1487 Comment
  SEINET6170685  Platanthera dilatata var. leucostachys R. McKee, H. L. Westover 1918-1 Plumas Comment
  CHSC20839  Platanthera leucostachys K. R. Stern 1975-7-24 5812 Plumas E shore of Lake Almanor. 1371 Comment
  UC116991  Platanthera leucostachys Mrs. R. M. Austin 1882-7-25 Plumas Big Meadows Comment
  RSA59678  Platanthera leucostachys E. K. Balls 1950-9-9 15747 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CDA14767  Platanthera sparsiflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3354 Plumas 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  CHSC52564  Platanthera sparsiflora L. P. Janeway 1990-6-27 3728 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  UC1134753  Platanthera sparsiflora A. E. Wieslander Jul 1929 125 Plumas Butterfly Experiment Area Plumas Forest, Susanville Quad. 1219 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
  CAS-BOT-BC254613  Poa X limosa John Thomas Howell 1962-6-18 37756 Plumas Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola 1487 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
  CAS-BOT-BC254964  Poa bulbosa L. P. Janeway 1992-5-22 4194 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
  SEINET10836232  Poa bulbosa Mary Susan Taylor 1981-5-11 Taylor 3684 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CAS-BOT-BC255093  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  JEPS121741  Poa cusickii B. Castro and L. P. Janeway 2007-6-24 1644 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek. Comment
  CHSC97202  Poa cusickii subsp. cusickii Lowell Ahart; Josephine Guardino 2007-7-20 14317 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  RSA718439  Poa pratensis L. Ahart 2006-7-9 12925 Plumas About 100 yrds north of paved basalt road, About 3.75 mi (air) NW of Tamarack Flat, About 5.75 mi (air) NW of Little Grass Valley Reservoir 1679 Comment
  SEINET10926435  Poa pratensis Lewis S. Rose 1954-5-30 Rose 54078 A Plumas Sierra Nevada, Beckwourth. Desert slopes. 1524 Comment
  CHSC103122  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16105 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC97569  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2007-6-17 14189 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
  UC717964  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Middle Fork Feather River, Feather River Inn Mohawk Valley; Sierra Nevada 1356 Comment
  CAS-BOT-BC242968  Poa secunda subsp. secunda John Thomas Howell 1951-6-28 27687 Plumas Eureka Peak 2133 Comment
  CHSC101859  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area. 1421 Comment
  UC1137044  Poa wheeleri August L. Hormay Plumas Long Canyon near R.R. Plots Long Canyon; Plumas Nat'l Forest Comment
  CAS-BOT-BC244321  Podagrostis humilis John Thomas Howell 1960-7-18 35525 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  POM104588  Polygonum amphibium var. stipulaceum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC414309  Polygonum aviculare subsp. neglectum Lowell Ahart 1985-9-26 5174 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
  JEPS87770  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  POM312905  Polygonum coccineum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1454 Plumas Marshy pond on SE side of Portola Comment
  JEPS81570  Polygonum davisiae M. S. Taylor and H. Swanson 1982-8-11 4965 Plumas on ridge between Florentine Canyon and Spencer Lakes (ca 5 mi sw of Johnsonville); Sierra City NW quad 2133 Comment
  UC1567351  Polygonum davisiae G. Schoolcraft 1989-7-3 1940 Plumas n Red Rock Lookout; Diamond Mtns. 2255 Comment
  RSA52889  Polygonum davisiae R. Weatherby 1950-8-11 1511 Plumas in lodgepole pine belt, near Hellgranite Pond, Lakes Basin Area. 2012 Comment
  CAS-BOT-BC414557  Polygonum douglasii L. P. Janeway 1993-8-10 4517 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth 1487 Comment
  RSA726354  Polygonum douglasii L. Ahart, John Dittes 2007-6-16 14091 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  SBBG33976  Polygonum douglasii L. S. Rose 1969-6-24 Plumas Quincy 1036 Comment
  UCD100239  Polygonum douglasii John Thomas Howell 1960-7-18 35569 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CDA34544  Polygonum douglasii subsp. douglasii L. Ahart 2007-6-16 14091 Plumas East of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. Comment
  CHSC21606  Polygonum douglasii subsp. douglasii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Found in the middle of the section. Comment
  CHSC40624  Polygonum douglasii subsp. 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
  CHSC57092  Polygonum douglasii subsp. douglasii L. P. Janeway 1991-7-11 4071 Plumas Between Smith Peak and the southwest corner of lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  JEPS107636  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  JEPS115198  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16116 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
  RSA101483  Polygonum kelloggii R. Weatherby 1955-6-26 1551 Plumas Mud Lake, Lakes Basin Area. 2195 Comment
  SEINET4335420  Polygonum kelloggii var. kelloggii A. A. Heller, P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  CDA18454  Polygonum parryi G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3183 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC53212  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1989-6-14 3307 Plumas Plumas National Forest. Beckwourth Ranger District. Forest along the s'ly side of Red Clover Valley. Openings in yellow pine forest. 1699 Comment
  CHSC82455  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9822 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
  JEPS103405  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-2 9822 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  JEPS51275  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1939-8-12 19404 Plumas Ferris Creek; brach of Last Chance Creek 1767 Comment
  CDA19232  Polygonum sawatchense G. D. Barbe, T. C. Fuller 1982-6-17 3833 Plumas Plumas National Forest; Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET9301724  Polygonum sawatchense Unknown 1982-6-17 3833 Plumas Frenchman Reservoir Comment
  CAS-BOT-BC420217  Polygonum sawatchense subsp. sawatchense D. E. Breedlove 1962-6-12 3456 Plumas On bank of Jackson Creek. In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CHSC32021  Polygonum shastense L. Ahart 1974-10-1 649 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  CHSC63470  Polygonum shastense Lowell Ahart 1994-7-20 7486 Plumas Open bare area, north of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Also says Sierra County. 1981 Comment
  POM253028  Polygonum spergulariiforme A. A. Heller 1937-9-1 15344 Plumas Near the Feather river bridge at Chester,. 1305 Comment
  CAS-BOT-BC71845  Polypodium californicum J. G. Lemmon 1880-1-1 s.n. Plumas Sierra Valley Comment
  UCSB51214  Polypodium californicum Almanza, Ed 1976-4-1 Plumas Feather River Canyon, N-fork, Hwy 70, 7 mi past county border 640 Comment
  CDA2343  Polypogon monspeliensis L. Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  CHSC69527  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  CAS-BOT-BC72350  Polystichum imbricans subsp. imbricans L. P. Janeway 1990-9-28 3854 Plumas West Branch Soda Creek 0.4 mi N of East Branch North Fork Feather River and Hwy 70, vicinity of Paxton 914 Comment
  CHSC63442  Polystichum lemmonii Lowell Ahart 1994-7-28 7531 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  HSC19898  Populus tremuloides W. R. Rogers 1966-7-12 275 Plumas 1829 Comment
  CAS-BOT-BC105588  Populus trichocarpa Elmer I. Applegate 1929-6-21 5787 Plumas Warner Valley - Mt. Lassen Region Comment
  RSA59907  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET3145579  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 mi. NW of Chester, N Fork Feather River 1402 Comment
  SEINET10932139  Populus trichocarpa Mary Susan Taylor 1981-8-5 Taylor 4161 Plumas T28N R12E se 1/4 sw 1/4 sec 32. Kettle Rock quad. At jct of Pierce & Indian Creeks, ca. 1 mi N of Fruit Growers Blvd. ca. 2 air mi W of Antelope Lake. Granitic soils. 5500 ft. 1676 Comment
  CHSC81433  Potamogeton foliosus var. foliosus Lowell Ahart 2001-9-18 9280 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  RSA286340  Potamogeton natans Robert F. Thorne 1974-7-30 45017 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  SEINET5712421 Image available Potamogeton natans Michelle Yeargan 1973-1 Y 072 Plumas 2 miles west of Keddie.; Keddie Comment
  CHSC44265  Potamogeton praelongus Vernon Oswald 1988-7-19 3604 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CHSC65477  Potamogeton pusillus var. tenuissimus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the se edge of the lake. 1676 Comment
  SEINET5332684 Image available Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  SJSU11966  Potentilla biennis N. A. Hopkins 1973-6-19 550 Plumas 5 mi SE of Beckwourth, Sierra Valley 1402 Comment
  CAS-BOT-BC141667  Potentilla flabellifolia Anna Head 1921-7-25 s.n. Plumas Meadows above Long Lake - Feather River Basin Comment
  RSA716270  Potentilla glandulosa subsp. ashlandica L. Ahart 2005-9-20 12458 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  CHSC45738  Potentilla glandulosa subsp. reflexa L. P. Janeway 1987-6-20 2279 Plumas Ravine on N side of S Br Middle Fk Feather River, below Whiskey Hill. 1158 Comment
  JEPS15482  Potentilla gracilis Joseph and Hilda W. Grinnell 1938-6-11 1095 a Plumas meadows near Mohawk; meadows near Mohawk 1341 Comment
  UC1128244  Potentilla gracilis var. fastigiata A. Lewis 1934-6-12 483 Plumas Little Grass Valley Plumas National Forest, Downieville quad 1524 Comment
  CAS-BOT-BC540075  Potentilla gracilis var. fastigiata Anna Head 1920-7-25 s.n. Plumas Lake Center 1920 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
  CHSC70042  Potentilla millefolia L. P. Janeway 1997-5-14 5119 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  CAS-BOT-BC158520  Potentilla millefolia M. S. Taylor 1982-5-7 4420 Plumas Plumas National Forest/Beckwourth RD Expt. Area. Clover Valley Ranch in Red Clover Valley 1676 Comment
  CHSC118835  Potentilla millefolia Wendy L. Boes 2015-6-27 2015028 Plumas Plumas National Forest. Located near Indian Creek, to northwest of Antelope Lake, in between Forest Service road 28N31 and 28N03. UTM 701358 E, 4453845 N, NAD83 Zone 10N. 1580 Comment
  UC632146  Potentilla millefolia Beryl O. Schreiber 1932-7-19 460 Plumas road to Prattville; road to Prattville Comment
  CHSC100368  Potentilla norvegica Lowell Ahart 2008-9-10 15395 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
  JEPS96072  Potentilla rivalis Vernon H. Oswald and Lowell Ahart 1996-7-15 8013 Plumas e side of arm of Lake Almanor extending n from Highway 36 causeway, s of the point where road to Last Chance Campground (28N11) begins to parrallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  SEINET6636445  Potentilla rivalis var. millegrana W. Harnach, N. Harnach 1990-7-6 466 Plumas Sierra Valley, On the first corner east of Co. Rd. A-23 on Marble Lane 1487 Comment
  UCD113967  Poteridium annuum Tofsrud 1948-7-1 s.n. Plumas Between Meadow Valley and Bucks. Comment
  SBBG121282  Poterium sanguisorba L. Ahart, J. Dittes 2007-6-16 14147 Plumas W of a small stream, ca. 200 yards S of County Rd 111 (Beckwourth Gensee Rd), 20 yards E of Forest Rd 24NO8, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  RSA755328  Prunella vulgaris var. lanceolata L. Ahart, John Dittes 2009-7-13 16042 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  RSA252506  Prunus andersonii Robert F. Thorne, C. W. Tilforth 1969-9-6 39252 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CHSC23622  Prunus emarginata J. Cox 1975-7-24 Plumas SE side of Lake Almanor. Comment
  UCSB27407  Prunus emarginata Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1158 Comment
  SEINET7406684  Prunus subcordata R. J. Holl 1948-4-20 25 Plumas 3 miles west of Chilcoot 1615 Comment
  RSA59264  Prunus virginiana var. demissa E. K. Balls 1950-8-31 15555 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC154850  Prunus virginiana var. demissa Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 10 1/2 miles north of Quincy, Hy. 24 Comment
  JEPS110517  Pseudognaphalium luteoalbum Lowell Ahart 2006-10-23 13474 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
  CAS-BOT-BC356985  Pseudognaphalium luteoalbum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1454 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  SEINET5337031  Pseudostellaria jamesiana A. A. Heller, P. B. Kennedy 1907-7-11 8812 Plumas Prattville. Comment
  RSA739843  Pseudostellaria sierrae Barbara Ertter, Gary Schoolcraft 1990-5-14 8984 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  CAS-BOT-BC80157  Pseudotsuga menziesii Alice Eastwood 1927-6-15 14704 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  SBBG128117  Pseudotsuga menziesii L. Ahart, J. Dittes 2009-7-13 16058 Plumas E side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 2 mi N of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Almanor Reseroir Dam 1476 Comment
  CAS-BOT-BC72612  Pteridium aquilinum John Thomas Howell; Gordon H. True 1969-6-23 45808 Plumas 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  CAS-BOT-BC460526  Pterospora andromedea Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC293706  Purshia tridentata Mona Bourell; Bob Patterson 1982-5-15 1741 Plumas Beckworth Comment
  CAS-BOT-BC147878  Purshia tridentata var. tridentata John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2207 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC102047  Pycnanthemum californicum Lowell Ahart; John Dittes 2009-7-27 16181 Plumas On dry soil, about 20 yards north of the poor dirt road, about 20 yards east of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC66702  Pycnanthemum californicum Vernon H. Oswald; Lowell Ahart 1996-8-1 8132 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CAS-BOT-BC462898  Pyrola asarifolia Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CAS-BOT-BC462780  Pyrola dentata Mrs. A. L. Combs 1906-1-1 s.n. Plumas Prattville Comment
  SD7832  Pyrola picta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC466102  Pyrola picta David D. Keck 1932-7-3 1643 Plumas Northern Sierra Nevada, Quincy, hillside S of town 1219 Comment
  JEPS113922  Pyrrocoma lanceolata var. lanceolata W. and N. Harnach 2000-8-2 974 Plumas Sierra Valley, 3/4 mile east of A-23 on Marble Lane at the hot wells. Comment
  JEPS100327  Pyrrocoma lucida Dean Wm. Taylor and Barbara Ertter 2001-7-18 17833 Plumas Diamond Mountains, meadow tributary to Little Doyle Creek (ca. 1.5 miles N of upper end of Frenchman Reservoir), along Forest Road 25N71 1.4 miles East of Forest Road 25N11 1783 Comment
  SBBG129862  Pyrrocoma racemosa var. paniculata D. H. Wilken, E. L. Painter, M. Wetherwax 2015-8-5 18001 Plumas S side of Feather River, W side of Beckwourth-Calpine Rd, 0.3 km S of St Hwy 70 1487 Comment
  CHSC21309  Quercus chrysolepis F. T. Griggs; A. Pass 1975-7-8 125 Plumas Buck's Lake Forest Service Survey. Comment
  RSA622139  Quercus chrysolepis J. M. Tucker 1948-7-25 1750 Plumas 1.3 mi. east of Camp 18, area of Camel's Peak. 1220 Comment
  UCD14010  Quercus chrysolepis John M. Tucker 1948-7-25 1750 Plumas California, Plumas Co.; 1.3 mi. east of Camp 18, area of Camel's Peak; Comment
  SEINET9005743  Quercus chrysolepis R. J. Holl 1928-5-28 s.n. Plumas Keddie, California, bench above the river 1067 Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  CHSC62150  Quercus durata var. durata L. P. Janeway 1993-7-20 4464 Plumas Plumas National Forest. Canyon of East Branch North Fork Feather River; in large ravine 500 ft north of Hwy 70, opposite the road to Rich Bar. 853 Comment
  UCD45885  Quercus durata var. durata John Thomas Howell 1959-9-21 34792 Plumas El. 2500 feet, Plumas County. 762 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CHSC96739  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8988 Plumas Northern High Sierra Nevada. Along road 26N22F (to the top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  UCD56583  Quercus kelloggii John Thomas Howell 1976-7-14 51823 Plumas Sierra Nevada. American Valley near Quincy on road to Quincy Junction. 1036 Comment
  UCSB13453  Quercus kelloggii Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC104591  Quercus vacciniifolia David D. Keck 1932-7-3 1708 Plumas Northern Sierra Nevada. Quincy, Water supply canyon to the left hand just S of town 1065 Comment
  CAS-BOT-BC104604  Quercus vacciniifolia John Thomas Howell 1960-7-20 35742 Plumas Lassen Volcanic National Park, Boiling Springs Lake 1798 Comment
  NY201868  Quercus vacciniifolia J. B. Walker 1994-8-4 878 Plumas On ridge off La Porte Rd, 6km S of Nelson Creek 1600 Comment
  UC1135805  Quercus vacciniifolia R. Roseberry 1934-11-4 10 Plumas 1 mi ne Johnsville; Plumas National Forest, Downieville Quad. 1493 Comment
  CAS-BOT-BC362809  Raillardella scaposa L. P. Janeway 1989-7-7 3468 Plumas Beckwourth Ranger District, Plumas National Forest. NE side of Red Clover Valley; along rd 24N23 0.5 mi SE of road 26N70 (the road to Laufman); vicinity of Lava Spring 1691 Comment
  CDA18432  Ranunculus alismifolius G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3166 Plumas Long Valley; Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC21026  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-10 144 Plumas Buck's Lake. 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
  HSC94141  Ranunculus alismifolius var. alismifolius G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-23 3166 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  CHSC98349  Ranunculus alismifolius var. hartwegii L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  CHSC57827  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4933 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just inside the boundary of the park. Meadow. 1658 Comment
  SJSU6779  Ranunculus aquatilis var. aquatilis N. A. Hopkins 1971-6-19 408 Plumas by roadside 7 mi S of Beckwourth, Sierra Valley 1524 Comment
  JEPS54997  Ranunculus aquatilis var. capillaceus W. L. Jepson 1918-8-16 8023 Plumas Clover Creek Genesee Valley (foot) 1097 Comment
  CHSC81402  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-9-18 9287 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  SBBG21915  Ranunculus aquatilis var. diffusus D. Myrick 1964-7-19 874 Plumas Hot Springs Crk, Drakesbad 1737 Comment
  CAS-BOT-BC378981  Ranunculus aquatilis var. diffusus Miss T. O. Raphael 1919-8-8 s.n. Plumas Mohawk Comment
  CAS-BOT-BC379250  Ranunculus aquatilis var. diffusus David D. Keck 1932-7-3 1661 Plumas northern Sierra Nevada, Quincy, along Spanish Creek, growing in streamlets through the meadow 488 Comment
  CHSC81144  Ranunculus cymbalaria var. saximontanus Lowell Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET8696953  Ranunculus flabellaris W. Harnach, N. Harnach 1991-6-17 545 Plumas Sierra Valley, 0.75 mile W of steel bridge on Marble Lane. 1486 Comment
  UC1126203  Ranunculus occidentalis C. W. Hanks 1934-8-10 34 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (canyon on ne edge) Comment
  UC1126206  Ranunculus occidentalis E. Sawyer 1935-5-28 48 Plumas 3 1/4 mi ese Grizzly Pk.; Sierraville Quadrangle Comment
  CHSC45406  Ranunculus occidentalis var. occidentalis Lowell Ahart 1977-6-20 1436 Plumas About 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  RSA726350  Ranunculus occidentalis var. occidentalis L. Ahart, John Dittes 2007-6-16 14114 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  SEINET8700041  Ranunculus occidentalis var. occidentalis C. Tanner 1999-5-17 s.n. Plumas Portola, along both sides of Todd Road, ca 0.25 mile S of C. Roy Carmichael school. 1487 Comment
  POM268504  Ranunculus occidentalis var. ultramontanus Joseph A. Ewan 1934-7-19 8244 Plumas barnyard and along ditches Deutsus (Blarsden), Mojave Valley. 1616 Comment
  CDA19218  Ranunculus orthorhynchus var. orthorhynchus G. D. Barbe, T. C. Fuller 1982-6-16 3787 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC74314  Raphanus sativus James T. Vale 1980-9-21 s.n. Plumas Sierra Nevada. Onion Valley, La Porte road. Comment
  CAS-BOT-BC362888  Ratibida columnifera F. B. Cayot 1913-8-12 31 Plumas Plumas National Forest. Three Mile [Threemilel] Valley 1767 Comment
  CAS-BOT-BC59566  Rhamnus John Thomas Howell 1976-7-14 51824 Plumas Sierra Nevada - American Valley near Quincy on road to Quincy Junction 1036 Comment
  JEPS41949  Rhamnus purshiana E. Fritz 1936-6-9 Plumas Meadow Valley 1188 Comment
  UC1121917  Rhamnus purshiana F. W. Embree 1934-6-12 98 Plumas 1.25 mi s and 0.25 mi w Bucks Lane; Plumas National Forest, Bidwell Bar Quad. 1706 Comment
  SEINET13946360 Image available Rhamnus purshiana A. A. Heller 1915-1 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  SEINET13946363 Image available Rhamnus purshiana Joseph Andorfer Ewan 1934-1 8536 Plumas Vic. Bear Lake, Mt. Elwell region 1981 Comment
  SEINET10936273  Rhamnus rubra Mary Susan Taylor 1982-8-5 Taylor 4934 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  LA40930  Rhododendron columbianum E. Hollis; June 17 1928 - June -30 1928 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC91701  Rhododendron neoglandulosum G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16271 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: bog area. 1158 Comment
  RSA286332  Rhododendron occidentale R. F. Thorne 1974-7-30 45000 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  RSA101418  Rhododendron occidentale var. californicum R. Weatherby 1955-6-16 1531 Plumas Feather River Canyon. Head of Berry Creek, above Virgilia. Comment
  JEPS118734  Rhus glabra L. P. Janeway 2010-8-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. Storrie 7.5' quad. Comment
  JEPS118735  Rhus glabra L. P. Janeway 2010-8-17 10163 Plumas Northern High Sierra Nevada. North side of North Fork Feather River, at southwestern end of James Lee (Injun Jim) Campground. Storrie 7.5' quad. Comment
  CHSC72468  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area; northernmost of the boggy areas on west side (uphill) of Road 25N47 0.1 mi south of Road 417. 1194 Comment
  UC1730230  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area; northernmost of the boggy areas on west side (uphill) of Road 25N47 0.1 mi south of Road 417. 1194 Comment
  CAS-BOT-BC108706  Ribes cereum John Thomas Howell; Gordon H. True 1973-7-31 50125 Plumas Sierra Nevada. On road from Janesville to Thompson Peak, Diamond Range. 1981 Comment
  CAS-BOT-BC108709  Ribes cereum L. P. Janeway 1989-6-20 3353 Plumas Plumas National Forest. Beckwourth Ranger District. East facing slope near top of Crocker Mountain 2194 Comment
  CAS-BOT-BC173032  Ribes cereum var. cereum Anna Head 1921-6-25 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC92195  Ribes cereum var. cereum Lowell Ahart; John Dittes 2005-9-20 12438 Plumas North of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 Comment
  CHSC97307  Ribes inerme var. inerme Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14463 Plumas About 40 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CAS-BOT-BC219216  Ribes nevadense D. E. Breedlove 1962-6-12 3461 Plumas Jackson Creek, Upper drainage of Middle Fork of Feather River, I mile SE of Cromberg, Sierra Nevada 1341 Comment
  CHSC70263  Ribes nevadense B. Castro; R. Fallscheer, R. Zebell 1989-8-7 360 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1737 Comment
  RSA0018026  Ribes roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake. Sierra Nevada. Feather River watershed. 2134 Comment
  SEINET10904149  Ribes roezlii Mary Susan Taylor 1982-5-23 Taylor 4513 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  UCR123368  Ribes roezlii var. amictum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6882 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CAS-BOT-BC173855  Ribes velutinum James R. Shevock 1985-5-19 11162 Plumas Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir 1750 Comment
  SD8337  Ribes viscosissimum Mrs. R. M. Austin 1878-1 Plumas Mt. Dyer Comment
  CAS-BOT-BC363064  Rigiopappus leptocladus John Thomas Howell 1967-6-23 s.n. Plumas Butterfly Valley 1036 Comment
  UC829521  Rigiopappus leptocladus M. S. Barker July 1894 Plumas Dixie Mts. Comment
  UCD115310  Rorippa curvisiliqua J. M. Tucker 1948-7-24 1718 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CHSC33155  Rorippa curvisiliqua var. orientalis V. Holt 1935-8-1 Plumas Lott's Lake. 1524 Comment
  CHSC81108  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 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
  JEPS102812  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC74870  Rorippa tenerrima John Thomas Howell 1976-7-16 51896 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC118832  Rosa gymnocarpa Wendy L. Boes 2015-5-27 2015018 Plumas Plumas National Forest. Location southwest of Silver Creek, north of Forest Service 24N29X, west of 24N56, near Meadow Valley. UTM 663727 E, 4422262 N, NAD83 Zone 10N. 1160 Comment
  SEINET10483535  Rosa pinetorum Mary Susan Taylor 1982-6-17 Taylor 4695 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  CAS-BOT-BC147045  Rosa pisocarpa John Thomas Howell 1961-6-21 36701 Plumas Greenville 1097 Comment
  CHSC87617  Rosa pisocarpa subsp. ahartii Lowell Ahart; Josephine Guardino 2004-5-24 10946 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CHSC97060  Rosa woodsii subsp. ultramontana Lowell Ahart; Josephine Guardino 2007-7-20 14323 Plumas North of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS102526  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  SBBG121284  Rosa woodsii subsp. ultramontana L. Ahart, J. Guardino 2007-7-20 14323 Plumas E of Lightning Tree Cmpgrd, E of paved rd, E side of Lake Davis 1789 Comment
  RSA755813  Rubus leucodermis L. Ahart, John Dittes 2009-7-14 16071 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
  SBBG128282  Rubus leucodermis L. Ahart, J. Dittes 2009-7-14 16071 Plumas S side of Forest Service Rd 27N92, ca. 1.9 mi SE of Seneca, ca. 6 mi S of Lake Almanor Reservoir Dam 1677 Comment
  JEPS127341  Rubus parviflorus Lowell Ahart 2016-7-9 21100 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCR3567  Rubus parviflorus Wm. Horn Jr. 1963-6-19 630619- 2 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CAS-BOT-BC156920  Rubus ursinus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1560 Plumas Fern Glen 1112 Comment
  CAS-BOT-BC363208  Rudbeckia occidentalis Robert J. Weatherby 1950-7-21 1478 Plumas Butterfly Valley, near Quincy 1219 Comment
  CHSC40620  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 northeast of lLa Porte. 1584 Comment
  CHSC40853  Rumex acetosella K. R. Stern 1985-6-25 8264 Plumas Vicinity Blairsden. 1371 Comment
  CHSC75522  Rumex acetosella G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3159 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 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-BC433317  Rumex crispus John Thomas Howell 1960-7-18 35528 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA22910  Rumex maritimus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range; Southwest side of Lake Almanor, below high water line, about 100 meters out; near Highway 89 2.3 km north-northwest of Almanor West Road. Comment
  UCR270586  Rumex paucifolius John F. Emmel 1998-6-6 1558 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 Comment
  CHSC97035  Rumex salicifolius var. triangulivalvis L. P. Janeway; B. Castro 2007-6-9 9036 Plumas Northern High Sierra Nevada. Central part of Thompson Valley just wouthwest of the main channel; 1.5 km north of Red Clover Creek. Occasional in one of several small channels headcutting into a wet meadow. 1666 Comment
  CHSC113870  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Resrvoir, 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
  RSA59886  Sagina saginoides E. K. Balls 1950-9-14 15813 Plumas 6 miles northwest of Chester, North Fork Feather River. Comment
  UC54240  Sagittaria cuneata H. M. Hall and E. B. Babcock July, 1903 4417 Plumas in small lake of nw Plumas Co. Sierra Nevada Mountains 1645 Comment
  SD6302  Sagittaria latifolia R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA508617  Sagittaria latifolia Mrs. R. M. Austin 1880-07 s.n. Plumas Big Meadows. Comment
  UCD138051  Sagittaria latifolia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1419 Plumas 2 miles souht of Greenville, Indian Valley. Comment
  CAS-BOT-BC103604  Salix eastwoodiae Rimo Bacigalupi 1927-7-8 1668 Plumas western edge of Long Lake Comment
  CAS-BOT-BC103620  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1650 Plumas upper reaches of trail from Gray Eagle Valley to Long Lake Comment
  UC846411  Salix eastwoodiae Joseph Andorfer Ewan 1934-7-16 8503 Plumas Mt. Elwell trail above Bear Lakes 1981 Comment
  CAS-BOT-BC103890  Salix exigua W. Harnach; N. Harnach 1991-6-21 557 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  JEPS98991  Salix exigua Lowell Ahart 2001-6-4 8758 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile SW of the Feather Fork Mine, about 1 mile NE of Little Grass Valley Reservoir, about 5 miles (air) NE of La Porte. 1594 Comment
  CAS-BOT-BC107970  Salix geyeriana A. A. Heller; P. B. Kennedy 1907-7-4 8728 Plumas Meadow two miles south of Red Clover Valley Comment
  CHSC112525  Salix geyeriana B. Castro; L. P. Janeway 2007-6-24 1658 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley ~ 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. Ca 500 ft W side of Thompson Creek, ca 700 ft SW of small rock dam and pond, in seep at lower edge of open Ponderosa-Jeffrey pine forest. On ca 5% E-facing slope within area of dry sagebrush, bitterbrush and sparse grasses, in small 35x100ft springy area. 1677 Comment
  JEPS14871  Salix geyeriana John Warren Duffield 1937-5-30 Plumas gravel pit n. Meadow Valley Creek (near rd. into U.C. Forestry Camp) Comment
  NY430472  Salix geyeriana G. Schoolcraft 1998-7-26 2796 Plumas Meadow south of Clover Valley 1676.4 Comment
  UC525905  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
  JEPS14867  Salix lasiandra var. caudata John Warren Duffield 1937-5-29 Plumas along Meadow Valley Creek Meadow Valley Creek Comment
  CAS-BOT-BC125314  Salix lasiandra var. lasiandra John Thomas Howell 1959-9-24 34941 Plumas Butterfly Creek near mouth Comment
  CAS-BOT-BC128427  Salix lasiolepis var. lasiolepis Lloyd W. Swift 1931-5-16 65995 Plumas Near Boulder Creek Sta. 1676 Comment
  CAS-BOT-BC128435  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell 1966-7-28 1432 Plumas In bed of Spanish Creek near confluence of Butterfly Creek 1021 Comment
  CHSC87631  Salix lasiolepis var. lasiolepis Lowell Ahart; Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CHSC92168  Salix lasiolepis var. lasiolepis Lowell Ahart; John Dittes 2005-9-19 12370 Plumas Shore line, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CAS-BOT-BC128433  Salix lasiolepis var. lasiolepis John Thomas Howell 1951-8-19 28171 Plumas 3 miles east of Rich Bar 853 Comment
  CAS-BOT-BC124796  Salix lemmonii John Thomas Howell 1960-7-20 35724 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC124799  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather River about 5 miles southwest of Prattville 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
  UC449845  Salix lemmonii L. S. Smith 1931-5-27 7 a Plumas Plumas Meadow Plumas Nat'l Forest, Plumas Meadow Comment
  CAS-BOT-BC125110  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  SBBG57910  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 393 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  UC482028  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CAS-BOT-BC128236  Salix lucida Alice Eastwood 1918-5-25 6974 Plumas Portola Comment
  CAS-BOT-BC129353  Salix melanopsis Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC113617  Salix melanopsis Lowell Ahart 2014-8-31 19810 Plumas South of an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  SEINET10899094  Salix melanopsis Mary Susan Taylor 1982-5-13 Taylor 4438 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  CDA35029  Salix scouleriana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3366 Plumas SE of Bucks Lake Road and Bucks Creek, 0.3 mile southwest of Bucks summit on Bucks Lake Road. Sheet 1 of 2. 1645 Comment
  JEPS115170  Salix scouleriana Lowell Ahart, John Dittes 2009-7-15 16079 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC21121  Sambucus mexicana F. T. Griggs; A. Pass 1975-7-2 32 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC235200  Sambucus racemosa var. racemosa Anna Head 1920-7-15 s.n. Plumas Round Lake Peak, trail, Feather River Region 2194 Comment
  SEINET10483616  Sanguisorba annua Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3823 A 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
  UC555549  Sanguisorba annua H. L. Mason 1924-6-16 1042 Plumas near Graeagle (South banks of Feather River); s banks of Feather River Comment
  RSA74136  Sanicula bipinnatifida Milo S. Baker 1952-5-26 12466 Plumas Indian valley, 1/2 mi below Crescent Mills, Hwy 89 Comment
  CAS-BOT-BC8644  Sanicula bipinnatifida var. flava Amos Arthur Heller 1913-6-13 10839 Plumas Near Marston Station 1066 Comment
  CDA38521  Sanicula graveolens L. P. Janeway 2001-7-3 7270 Plumas Northern High Sierra Nevada.; Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. Comment
  CHSC108709  Sanicula graveolens B. Castro; L. P. Janeway 2001-7-22 1349 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69). 1798 Comment
  RSA790266  Sanicula graveolens J. R. Shevock 1985-5-19 11164 Plumas Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir. 1800 Comment
  UCD128022  Sanicula graveolens W. R. Powell 1968-7-3 1603 Plumas 0.2 mile north-northwest of Peninsula Campground on reservoir, 3 miles north of La Porte. 1560 Comment
  JEPS124092  Sanicula tuberosa Lowell Ahart 2015-6-7 20209 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  JEPS87765  Sanicula tuberosa Lowell Ahart 1994-6-12 7315 Plumas about 1 1/4 air mi s Bucks Lake (sw of small branch of Willow Creek, near Cedar Flat, on w side of Faggs Mine Road); s of Bucks Lake, sw of branch Willow Creek, Faggs Mine Road 1706 Comment
  HSC21643  Sanicula tuberosa Jim Vaughn 1996-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen Area, Mt. Lassen Natl. Park 1829 Comment
  CAS-BOT-BC466214  Sarcodes sanguinea Mrs. A. L. Coombs 1906-6-1 s.n. Plumas Prattville Comment
  RSA59336  Saxifraga odontoloma E. K. Balls 1950-9-12 15788 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County 2012 Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  UCD65599  Schedonorus pratensis B. Corbin 2001-6-7 1008 Plumas North of Chilcoot. 1627 Comment
  CAS-BOT-BC451561  Scheuchzeria palustris V. Oswald; L. Ahart 1988-8-4 3672 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  SEINET11763397  Scheuchzeria palustris R. M. Austin 1883-1 s.n. Plumas no further locality Comment
  RSA100502  Schoenoplectus americanus H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad Meadow Comment
  CAS-BOT-BC35584  Scirpus congdonii Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  RSA91492  Scirpus congdonii F. W. Peirson 1932-7-19 10348 Plumas Feather River. Near Chester. 1463 Comment
  CAS-BOT-BC110857  Scirpus diffusus Lowell Ahart 1980-10-6 2669 Plumas Lake 1/2 mile west of Fowler Pk. 1700 Comment
  UC1100842  Scirpus fluviatilis Malcolm A. Nobs and S. Galen Smith 1949-8-19 1456 Plumas s.e. side Portola Comment
  CAS-BOT-BC111012  Scirpus microcarpus Walter Knight; Irja Knight 1966-6-18 1388 Plumas Butterfly Valley. Near Pond Reservoir. 1127 Comment
  CHSC65855  Scirpus microcarpus L. P. Janeway 1995-9-18 4930 Plumas 0.8 mi southeast of the southern tip of Crocker Mountain; at spring along Road 24N06 about halfway between Crocker Meadow and Big Grizzly Creek. 1865 Comment
  CHSC66649  Scirpus microcarpus Vernon H. Oswald 1996-7-15 8034 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. 1371 Comment
  JEPS63966  Scirpus microcarpus W. I. Follett 1937-6-18 82 Plumas Rich Gulch Comment
  JEPS64007  Scirpus microcarpus W. L. Jepson 1939-8-14 19419 Plumas Willow Creek 1828 Comment
  UC1100830  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-19 1441 Plumas bog and marsh at Butterfly Valley Comment
  CAS-BOT-BC111005  Scirpus microcarpus Lloyd W. Swift 1934-7-7 96 Plumas Willow Creek sheep trough 1889 Comment
  JEPS87451  Scirpus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  CAS-BOT-BC214194  Scutellaria John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54202 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  SEINET8020038  Scutellaria angustifolia subsp. micrantha A. A. Heller, P. B. Kennedy 1907-7-15 8843 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC36939  Scutellaria antirrhinoides M. S. Taylor 1982-8-9 4950 Plumas S end of Lake Almanor, nw of jct of Hwy 89 and 147, just w of Canyon Dam. 1371 Comment
  RSA189341  Scutellaria siphocampyloides L. S. Rose 1967-7-11 67156 Plumas Quincy Junction. 976 Comment
  SEINET10449667  Sedum albomarginatum Mary Susan Taylor 1981-7-26 Taylor 4116 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  RSA58829  Sedum obtusatum R. Weatherby 1950-8-11 1510 Plumas Trail to Long Lake, Lakes Basin Area. 1982 Comment
  CHSC108859  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the East edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. 1925 Comment
  CAS-BOT-BC59124  Sedum spathulifolium John Thomas Howell; Gordon H. True 1969-6-23 45822 Plumas On Middle Fork of Feather River, at Nelson Point 1249 Comment
  SFV8765  Sedum spathulifolium D. Ahrenholz 1964-5-16 21 Plumas Sierra Nevada Feather River Canyon near Bucks Power House. Comment
  CHSC21531  Senecio aronicoides D. Brink; L. Mayer 1975-7-10 Plumas Buck's Lake. Comment
  CAS-BOT-BC363602  Senecio fremontii var. occidentalis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CHSC60525  Senecio hydrophiloides L. P. Janeway; Jannice Cutler 1992-5-26 4203 Plumas Plumas National Forest. Stringer meadow ca 0.1 mi southwest of Lake Davis high water line; 1.0 mi south of Dan Blough Cove. 1761 Comment
  CDA18478  Senecio integerrimus var. major G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3246 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 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
  CHSC55182  Sericocarpus oregonensis L. P. Janeway 1989-9-29 3647 Plumas Low in canyon of North Fork Feather River at Rock Creek. 548 Comment
  CHSC81647  Setaria viridis Lowell Ahart 2001-10-8 9323 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  UCD92853  Setaria viridis John Thomas Howell 1959-9-20 34719 Plumas Tobin. 609 Comment
  CAS-BOT-BC213137  Sidalcea John Thomas Howell; Gordon H. True 1973-7-31 50142 Plumas Road from Janesville to Thompson Peak, Diamond Range, Sierra Nevada 1905 Comment
  UCD19566  Sidalcea celata Gerald Dickinson 1963-7-1 62 Plumas in grassy area along Hwy. 89, seven miles NW of Canyon Dam. 1097 Comment
  JEPS97954  Sidalcea gigantea B. G. Baldwin 1999-8-16 1089 Plumas along Oroville-Quincy Highway, 7.6 mi E of junction with US Forest Service Road 28 (Four Trees Road), 0.5 mi W of US Forest Service Road 23N73Y Comment
  CDA13990  Sidalcea glaucescens G. F. Hrusa 1996-8-2 13435 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. Springline forms tributary of Squirrel Creek. Comment
  CHSC21206  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-7-10 143 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC95102  Sidalcea glaucescens L. P. Janeway 2006-7-11 8811 Plumas Northern High Sierra Nevada. About 2.7 km north of Quincy; 70 m northwest of Hwy 70 along south side of Snake Lake Road. 1097 Comment
  RSA718777  Sidalcea glaucescens L. P. Janeway 2006-7-11 8811 Plumas Northern High Sierra Nevada. About 2.7 km north of Quincy; 70 m northwest Hwy 70 along south side of Snake Lake Road. Southeast-facing slope; 1097 Comment
  SD130446  Sidalcea glaucescens John Thomas Howell 1962-6-17 37678 Plumas Butterfly Valley 1036 Comment
  SD46593  Sidalcea glaucescens Robert J. Weatherby 1950-7-21 1473 Plumas East Quincy. 1036 Comment
  RSA59425  Sidalcea glaucescens E. K. Balls 1950-9-15 15857 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  RSA6247  Sidalcea glaucescens D. D. Keck 1932-7-3 1692 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  JEPS46169  Sidalcea oregana subsp. spicata W. I. Follett 1934-6-4 Plumas 1.3 mi w Bucks Lodge; w of Bucks Lodge Comment
  JEPS97969  Sidalcea oregana subsp. spicata B. G. Baldwin 1999-8-7 1090 Plumas N of Almanor Reservoir (E of Chester) (along road to Last Chance Campground (USFS), along E edge of Last Chance Marsh, where marsh extends E of road at junction with road bearing E) Comment
  SD61099  Sidalcea oregana subsp. spicata Darley F. Howe 1964-7-29 3897 Plumas Gold Lake Lodge, Plumas National Forest. 2012 Comment
  SEINET11990942  Sidalcea oregana subsp. spicata K. Knight, Knight, I. 1983-1 4905 Plumas about 6 mi from Chester on road to Drakesbad Comment
  SEINET9004725  Sidalcea oregana var. spicata S. Batiuk, D. Matthews, J. Jaggers, A. Kowal 2011-8-31 NV 030 -647 Plumas Grizzly Creek Ranch, near pond. 1506 Comment
  SD8099  Silene douglasii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meaows. Comment
  UC1075645  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas on trail near Long Lake (Lakes Basin Area); North Sierra Nevada Mts., nr Long Lake, Lakes Basin Area 1981 Comment
  CHSC97273  Silene douglasii var. douglasii Lowell Ahart; John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC181290  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte - Sierra Nevada 1981 Comment
  CAS-BOT-BC388989  Silene laciniata subsp. californica Clarence R. Quick 1934-7-4 1331 Plumas Headwaters of Clear Creek, Plumas National Forest Comment
  CHSC82095  Silene laciniata subsp. californica L. P. Janeway 2001-8-5 7419 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  CHSC88824  Silene laciniata subsp. californica L. Hanson 1981-7-28 162 Plumas Plumas National Forest. On Browns Hill Ridge. 1341 Comment
  CAS-BOT-BC389397  Silene lemmonii Mrs. G. Earle Kelly 1920-7-1 s.n. Plumas Greenville Comment
  UC170953  Silene menziesii H. M. Hall 1912-6-28 9283 Plumas Spanish Creek Sierra Nevada Mountains, Spanish Creek 1158 Comment
  RSA7884  Silene nuda H. A. Barker 1927-7-16 s.n. Plumas Along Feather River near Mohawk. 1372 Comment
  CAS-BOT-BC389560  Silene nuda A. A. Heller; P. B. Kennedy 1907-7-16 8859 Plumas Genessee [Genesee] Valley near Genessee [Genesee] Comment
  CHSC71635  Silene occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-11 9481 Plumas West of Bucks Lake near Little Grizzly Creek paralleling the south edge of Oroville-Quincy hwy 3.2 mi west of Grizzly Creek Campground. 1645 Comment
  CAS-BOT-BC75114  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 1937 Plumas Butterfly Botanical Area and Vicinity. Halfway between valley and Darlintonia bog. 1066 Comment
  POM107998  Sisyrinchium bellum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  SEINET10594324  Sitanion hystrix Lawrence P. Janeway 1990-1 Janeway 3822 Plumas Mt. Ingalls quad. ALong Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. Disturbed open area in white fir/red fir forest near dry creek. 2057 Comment
  SJSU12263  Sium suave N. A. Hopkins 1983-7-28 1161 Plumas NW corner of Sierra Valley by Marble Hot Springs Road 1487 Comment
  JEPS105977  Smilacina racemosa Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  UC170936  Smilacina racemosa H. M. Hall 1912-7-8 9320 Plumas Long Lake Sierra Nevada Mountains 2042 Comment
  CHSC80700  Solanum parishii Lowell Ahart 2001-6-4 8752 Plumas On the west side of the dirt road, west of the South Fork of the Feather River, about 1/4 mile north of Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1584 Comment
  RSA59117  Solidago canadensis subsp. elongata E. K. Balls 1950-8-31 15520 Plumas Highway 24, one mile north of Spanish Creek, just north of Quincy. 1098 Comment
  JEPS113515  Solidago elongata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14470 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  CAS-BOT-BC365120  Solidago velutina subsp. californica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2442 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC157312  Sorbus californica Mary Strong Clemens 1920-1-1 s.n. Plumas Crystal Lake Comment
  HSC73019  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, 4 mi. NW of Meadow Valley 1829 Comment
  SEINET264263  Sorbus sitchensis S. Gessel 1940-5-22 Plumas Spainish Peak Trail Comment
  UC91158  Sphaeromeria potentilloides var. potentilloides Mrs. R. M. Austin 1876-1 374 Plumas American Valley Comment
  RSA176437  Sphaeromeria potentilloides var. potentilloides P. H. Raven 1963-5-28 18421 Plumas 1.1 miles E of Beckwourth. Comment
  CHSC10758  Spiraea densiflora Lowell Ahart 1968-6-29 Plumas Five miles N.E. of La Porte. 762 Comment
  CHSC43447  Spiraea densiflora Lowell Ahart 1974-8-3 585 Plumas East of Mount Etna, about 5 miles east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS103402  Spiraea densiflora Lowell Ahart 2002-7-2 9826 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  POM148449  Spiraea douglasii J. B. Feudge 1927-7-20 1682 Plumas Susanville. Susan River. Comment
  SEINET3853113  Spiraea splendens Unknown 1938-1 Plumas Onion [?] Valley Comment
  SEINET7707962  Spiraea splendens E. K. Balls 1950-9-1 15604 Plumas E of Long Lake, upper slopesof meadow leading to two smaller lakes. 2134 Comment
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CHSC84420  Stachys ajugoides var. rigida Lowell Ahart 2003-9-7 10557 Plumas Seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  JEPS88398  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1996-7-15 8024 Plumas e side of arm extending n from the Hwy 36 causeway Lake Almanor (s of the point where rd. to Last Chance Campground (28N11) begins to parallel the lake, along Jeep trail ...); High Cascade Range, Lake Almanor 1371 Comment
  JEPS63099  Stachys ajugoides var. rigida John W. Duffield 1937-7-18 Plumas above and w Meadow Valley (above falls); Schneider Creek Comment
  SBBG6555  Stachys rigida H. and M. Dearing 1938-7-1 2252 Plumas near Lake Almanor Comment
  SEINET10499274  Stachys rigida Mary Susan Taylor 1981-8-19 Taylor 4216 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
  SEINET9362994  Stachys rigida Unknown 2014-7-23 2014 -012 Plumas Gray Eagle Creek, Lakes Basin, Plumas National Forest