Search Results — 2000 specimen records retrieved (1487 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
  CAS-BOT-BC77976  Abies concolor Alice Eastwood 1927-6-18 14705 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  SEINET4066102  Abies concolor B. C. Templeton 1967-1 sn Plumas About 16 miles east of Quincy. Comment
  UC401294  Abies concolor H. E. Brown Aug 1 1897-Aug 15 1897 671 1/2 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC78092  Abies magnifica John Thomas Howell; Gordon H. True 1967-7-11 43329 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC78096  Abies magnifica Alice Eastwood 1927-6-15 14602 Plumas On trail to Long Valley, United States Forest Reserve Comment
  RSA604696  Abies magnifica L. C. Wheeler 1952-9-24 6956 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  JEPS42678  Acer glabrum R. H. Platt 1891-1 Plumas region of Prattville , region of Prattville (the Sierras) Comment
  RSA60019  Acer glabrum var. torreyi E. K. Balls 1950-9-1 15594 Plumas East of Long Lake, by trail going south around lake 2134 Comment
  RSA88570  Acer glabrum var. torreyi J. T. Howell 1951-6-28 27700 Plumas Eureka Peak 1982 Comment
  CAS-BOT-BC333228  Acer macrophyllum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1490 Plumas Butterfly Botanical Area and vicinity. Fern Glen 1097 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
  JEPS100330  Acer negundo var. californicum Dean Wm. Taylor and Barbara Ertter 2001-7-19 17835 Plumas Portola 1478 Comment
  CAS-BOT-BC28727  Achillea millefolium Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC28739  Achillea millefolium John Thomas Howell 1960-7-18 35576 Plumas Drakesbad 1828 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-BC210701  Achnatherum lemmonii John Thomas Howell 1973-7-10 49752 Plumas Near Greenville 1097 Comment
  UC1137070  Achnatherum lemmonii August L. Hormay 1932-6-11 Plumas Long Canyon Plumas National Forest, Long Canyon Comment
  SBBG115897  Achnatherum nelsonii J. T. Howell 1962-6-18 37774 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC210814  Achnatherum nelsonii subsp. nelsonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54174 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CAS-BOT-BC210846  Achnatherum occidentale subsp. californicum Thomas H. Kearney 1944-8-14 14 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC210847  Achnatherum occidentale subsp. californicum John Thomas Howell 1951-6-28 27710 Plumas Eureka Peak 2255 Comment
  JEPS106230  Achnatherum thurberianum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11152 Plumas On the north side of a forest road, southwest of a small meadow and seeps, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2124 Comment
  SEINET3523240 Image available Acmispon aestivalis A. A. Heller 1938-7-2 15242 Plumas Feather River Highway near Gray's Flat 869 Comment
  CHSC67653  Acmispon nevadensis James D. Jokerst 1985-6-10 2411 Plumas Indian Creek Small Hydro Survey. Upper edge of reconstruction zone of Hwy. 70. Comment
  CHSC112521  Acmispon nevadensis var. nevadensis L. P. Janeway 2014-7-15 11529 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the southwest edge of Happy Valley. 1734 Comment
  HSC93322  Acmispon nevadensis var. nevadensis Vernon H. Oswald, L. Ahart 1996-7-15 8032 Plumas Last Chance Marsh at the N end of Lake Almanor. 1.4 miles S of Last Chance Campground E from Rd. 29N11. 1372 Comment
  SEINET5327447  Acmispon nevadensis var. nevadensis A. A. Heller, P. B. Kennedy 1907-7-16 8865 Plumas Grade between Genessee Valley and Summit Comment
  SD8183  Aconitum columbianum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC303090  Aconitum columbianum Marcus E. Jones, A. M. 1897-7-6 Plumas 13 mi. w. Prattville 1371 Comment
  CAS-BOT-BC391469  Aconitum columbianum subsp. columbianum Anna Head 1921-7-30 s.n. Plumas Lake Center Camp, Feather River Region Comment
  HSC93661  Aconitum columbianum subsp. columbianum G. Fred Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13271 Plumas Adjacent to Bull Run Creek off USFS Rd. 23N12E 1950 Comment
  CAS-BOT-BC412611  Aconogonon alaskanum Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 miles south of Quincy, on road to La Porte 1981 Comment
  CAS-BOT-BC418808  Aconogonon phytolaccifolium M. S. Taylor 1981-7-17 4033 Plumas Bear Lakes trail in Lakes basin, ca. 0.5 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  CHSC34291  Actaea rubra M. S. Taylor 1981-8-20 4228 Plumas Above spring in Bullfrog Ravine, ca. 3 air mi nw of Indian Falls. 1706 Comment
  CHSC84342  Actaea rubra Lowell Ahart 2003-8-13 10502 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CAS-BOT-BC29837  Adenocaulon bicolor David D. Keck 1932-7-3 1629 Plumas near Quincy, south of town 1066 Comment
  CHSC115744  Adiantum aleuticum L. P. Janeway 2015-8-3 11814 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. 1696 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
  CAS-BOT-BC29437  Ageratina occidentalis Anna Head 1921-7-1 s.n. Plumas Lake Center Camp Comment
  CHSC45219  Ageratina occidentalis Lowell Ahart 1974-9-6 625 Plumas Near the house along the West Branch of Nelson Creek, about 5 miles west of Johnsville. 1828 Comment
  CHSC57415  Ageratina occidentalis L. P. Janeway 1984-9-1 1118 Plumas Sierra crest (between Round Lake and Snake Lake). 2286 Comment
  JEPS18707  Ageratina occidentalis W. L. Jepson 1918-8-16 8015 Plumas Taylorsville 1097 Comment
  JEPS49077  Ageratina occidentalis Lewis S. Rose 1966-7-27 66063 Plumas 1 mi s Keddie; Butterfly Creek, Spanish Creek 990 Comment
  RSA184946  Ageratina occidentalis L. S. Rose 1966-7-27 66063 Plumas Butterfly creek and Spanish creek, 1 mile south of Keddie. stream banks. 991 Comment
  HSC100128  Agoseris grandiflora G. D. Barbe 1981-6-23 3089 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  CAS-BOT-BC22917  Agoseris heterophylla Alice Eastwood 1927-6-18 14672 Plumas Greenville Comment
  SEINET6738586 Image available Agoseris heterophylla Mrs. C. B. Gulling 1526 Plumas Sierra Valley Comment
  CAS-BOT-BC13244  Agoseris monticola J. T. Howell 1960-7-21 35802 Plumas Lassen Volcanic National park, Drakesbad 1828 Comment
  UC1536768  Agoseris monticola G. H. True Jr. 1937-7-14 955 Plumas at top of Milford Grade Milford Grade 1828 Comment
  CAS-BOT-BC13435  Agoseris retrorsa Dennis Breedlove 1962-6-12 4367 Plumas Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast Cromberg 1341 Comment
  CAS-BOT-BC13438  Agoseris retrorsa John Thomas Howell 1961-6-21 36652 Plumas Greenville 1097 Comment
  UC2042974  Agoseris retrorsa Barbara Ertter with Gary Schoolcraft 1990-5-14 8971 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  SEINET10901611  Agropyron dasystachyum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7047 Plumas Yellow pine and douglas fir in plumas national forest off hwy 70. 1067 Comment
  CAS-BOT-BC162046  Agrostis Fred Sommers; Greg Sommers 1976-7-20 191 Plumas Marble Hot Springs Area SIerra Valley Marsh. 1487 Comment
  CAS-BOT-BC127084  Agrostis exarata John Thomas Howell 1976-7-16 51905 Plumas Sierra Nevada. On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139603  Agrostis gigantea John Thomas Howell 1973-7-10 49741 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  CAS-BOT-BC139614  Agrostis gigantea John Thomas Howell 1959-9-22 34854 Plumas Drakesbad. 1737 Comment
  CAS-BOT-BC138996  Agrostis pallens Anna Head 1921-7-18 s.n. Plumas Feather River Region. Meadow Lake, Center Camp. Comment
  CAS-BOT-BC138997  Agrostis pallens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 2000 Comment
  CHSC100387  Agrostis scabra Lowell Ahart 2008-9-10 15368 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC97079  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
  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
  RSA129685  Agrostis scabra H. S. Yates 1936-8-12 6091 Plumas Lake Almanor. 1341 Comment
  SJSU13946  Agrostis scabra N. A. Hopkins 1985-8-27 1315 Plumas Grass Lake 1786 Comment
  UC1100121  Agrostis scabra Malcolm A. Nobs and S. Galen Smith 1949-8-18 1366 Plumas just s Chester (Last Chance Marshes at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  UCD53339  Agrostis scabra Elizabeth Wilson 1939-7-12 s.n. Plumas Greenville. 1524 Comment
  UCD53379  Agrostis scabra Malcolm A. Nobs; S. Galen Smith 1949-8-18 1366 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC92820  Agrostis stolonifera Lowell Ahart; Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  UCD53577  Agrostis stolonifera Leo Whitney 1934-8-23 2299 Plumas Willow Creek, 15 miles north of Beckwith, Plumas National Forest. 1950 Comment
  SEINET3883801  Allium anceps Stanley L. Welsh, N. Duane Atwood 2001-6-13 28129 Plumas Red Clover Valley, ca 12 miles north of Beckwourth.; 0 1679 Comment
  CAS-BOT-BC466606  Allium campanulatum H. C. Cantelow 1939-5-20 2554 Plumas Indian Highway 11 mi. s.e. of Prattville Comment
  CDA32386  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-15 3724 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  SEINET10472037  Allium campanulatum Mary Susan Taylor 1981-6-15 Taylor 3905 Plumas T24N R8E ne/se sec 1, Bucks Lake NE quad; jct of 24N27 (a loop around Smith lake), ca. 2 mi N of its jct with Bucks Lake Rd, ca. 3 mi NE of Meadow Valley; elevation ca. 3800 ft. 1158 Comment
  UCD141841  Allium campanulatum L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas along Highway 89, 0.5 mile past Canyon Dam toward Greenville. Comment
  CAS-BOT-BC474094  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  CHSC33940  Allium validum M. S. Taylor 1981-7-17 4024 Plumas Within 1/4 mi of Bear Lakes trailhead, near Elwell Lodge; ca. 6 air mi s of Mohawk. 1950 Comment
  CHSC36322  Allium validum M. S. Taylor 1982-8-4 4917 Plumas On n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1889 Comment
  CHSC62605  Allium validum B. Castro; L. P. Janeway 1987-7-17 144 Plumas ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  CHSC75937  Allium validum G. F. Hrusa 1996-8-2 13438 Plumas At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Sierra Nevada. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  SEINET3879889  Allium validum E. K. Balls 1950-9-1 15601 Plumas East of Long lake, at foot of meadow leading down to two smaller lakes.; 0 2103 Comment
  UCD130296  Allium validum Albert Grigarick 2011-8-15 297 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1886 Comment
  CHSC116233  Allophyllum integrifolium Lowell Ahart 2015-7-4 20285 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles north (air) of Little Grass Valley Reservoir dam. 1731 Comment
  CHSC46644  Allophyllum integrifolium Lowell Ahart 1989-7-7 6369 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
  CHSC62353  Allotropa virgata B. Castro; R. Fallscheer, R. Zebell 1989-8-15 397 Plumas Ca 5 air mi S of Bucks Lake, ca 0.5 mi E of Coldwater Creek, and ca 0.2 mi S of Ohio Ravine. 1682 Comment
  CAS-BOT-BC171364  Alnus incana subsp. tenuifolia Lyman Benson 1932-7-29 3989 Plumas Buck Lake. Sierra Nevada. Feather River Watershed 2133 Comment
  CHSC34282  Alnus incana subsp. tenuifolia M. S. Taylor 1981-8-28 4244 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio. 1432 Comment
  RSA452808  Alnus incana subsp. tenuifolia B. C. Templeton 1967-4-23 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  SDSU4769  Alnus incana subsp. tenuifolia D. F. Howe 1959-8-3 2785 Plumas 30 mi. north of Quincy. 1372 Comment
  UC1135159  Alnus incana subsp. tenuifolia E. Sawyer 1935-7-9 283 Plumas 1 1/4 mi nnw Kerby; Plumas National Forest, Sierraville Quadrangle Comment
  JEPS113554  Alopecurus aequalis Lowell Ahart, John Dittes 2007-6-17 14162 Plumas Along Red Clover Creek, about 50 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
  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
  SEINET228761  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas 1 mi NE of Pilot Peak 16 mi NE of La Porte 1900 Comment
  SJSU4310  Alopecurus aequalis H. L. Buckalew 1964-7-25 Plumas Bucks Lake 1584 Comment
  UCD55868  Alopecurus aequalis John Thomas Howell 1961-9-25 36952 Plumas Feather River bed, Portola. 1478 Comment
  CAS-BOT-BC138114  Alopecurus aequalis var. aequalis John Thomas Howell 1961-9-25 36952 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  JEPS102564  Amaranthus californicus Lowell Ahart 2001-10-8 9318 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  JEPS108986  Ambrosia psilostachya Lowell Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek 622 Comment
  CAS-BOT-BC142873  Amelanchier alnifolia var. semiintegrifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54142 Plumas 0.25 mile west of Round Valley Reservoir dam - Sierra Nevada 1371 Comment
  UCD112883  Amelanchier pallida Lori Best 1976-5-29 126 Plumas Plumas-Eureka Campground. Comment
  CAS-BOT-BC136794  Amelanchier utahensis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  UC1127793  Amelanchier utahensis G. Burks 1933-8-8 33 Plumas 4.5 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quad. 1706 Comment
  CHSC40251  Amsinckia menziesii K. R. Stern 1985-6-25 8258 Plumas Vic, Blairsden. 1371 Comment
  CAS-BOT-BC64276  Anaphalis margaritacea Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lakes Region Comment
  CAS-BOT-BC391843  Anemone drummondii Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. 1800 Comment
  UCD105969  Anemone drummondii var. drummondii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CAS-BOT-BC391928  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas West of Chester Comment
  RSA253229  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas Ridge between Chester and the Tehama County line. 1372 Comment
  HSC71430  Angelica breweri J. M. DiTomaso 1980-8-27 1944 Plumas 6 mi W of Quincy on Hwy 70, just E of Meadow Valley 1220 Comment
  SEINET13945520 Image available Angelica breweri E. K. Balls 1950-1 15790 Plumas 1.5 mi along trail from Lakes Center Public Campground to Long Lake outlet. 6600 ft 2012 Comment
  UC1251649  Angelica breweri Tracey and Viola Call 1964-6-28 2309 Plumas 7 mi w of Quincy (near Meadow Valley) 1463 Comment
  CHSC97065  Antennaria argentea Lowell Ahart; Josephine Guardino 2007-7-21 14376 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  RSA755438  Antennaria argentea L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15870 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  CAS-BOT-BC59314  Antennaria argentea M. S. Taylor; M. Foster 1981-7-2 3821 Plumas Plumas NF, Quincy RD. Spring Garden overpass, n side of Hwy 70. Spring Garden qud. 1219 Comment
  RSA189375  Antennaria argentea L. S. Rose 1967-7-11 67161 Plumas Mt. Hough Road, 6 mi. N of Quincy Jct 1707 Comment
  SEINET10886946  Antennaria argentea Patricia L. Kenney, David B. Dunn; Melvin L. Conrad 1973-6-5 Kenney 426 Plumas Collected along a stream along Hwy. 70, 6 mi. S from jct. of Hwy. 89 & 70. Douglas fir and yellow pine. 1067 Comment
  CAS-BOT-BC58709  Antennaria geyeri L. P. Janeway 1989-6-20 3348 Plumas Red Clover Valley 1691 Comment
  JEPS113519  Antennaria luzuloides Lowell Ahart, John Dittes 2007-6-16 14138 Plumas On dry bare soil, 100 yards east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 120 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC176433  Antennaria luzuloides A. A. Heller and P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CAS-BOT-BC84606  Anthemis cotula Alice Eastwood 1927-6-18 14696 Plumas United States Forest Reserve. Greenville Comment
  CAS-BOT-BC84602  Anthemis cotula John Thomas Howell; Gordon H. True 1974-7-29 50627 Plumas Quincy 1036 Comment
  CAS-BOT-BC137706  Anthoxanthum odoratum John Thomas Howell 1966-7-29 42018 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC137707  Anthoxanthum odoratum John Thomas Howell 1968-6-10 s.n. Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  UCD56236  Anthoxanthum odoratum R. Tofsrud 1949-6-1 s.n. Plumas Vicinity of Quincy. Comment
  CHSC59930  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 1992-8-6 4285 Plumas Along Hwy 70, on south side of East Branch Feather River at Soda Creek; 2.8 mi east of Crystal Springs, 4.6 mi east of Grays Flat. 899 Comment
  CHSC57168  Apocynum androsaemifolium L. P. Janeway 1984-7-22 932 Plumas Vicinity of Soapstone Hill; near junction of Oro-Quincy Hwy and the road to Duffy Dome. 1639 Comment
  CHSC88991  Apocynum androsaemifolium H. Gray 2003-7-20 Plumas Plumas National Forest. Silver Lake edge. 1524 Comment
  UC1123459  Apocynum androsaemifolium C. W. Hanks 1934-8-8 19 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., Sierra Valley Comment
  UC1123474  Apocynum androsaemifolium E. Nourse 1934-9-4 22 Plumas 3/4 mi. s. & 1 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  RSA31683  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-6-22 s.n. Plumas Along state highway #36 1311 Comment
  RSA14552  Apocynum pumilum var. rhomboideum Daniel Cleveland 1882-7-21 s.n. Plumas Big Meadows Comment
  CHSC61605  Aquilegia formosa Arthur G. Barrett 1915-7-8 Plumas Indian Creek, near Willow Creek. NE slope 1676 Comment
  UC569712  Aquilegia formosa E. Sawyer 1935-6-24 139 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1828 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
  SEINET10965675  Aquilegia formosa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4335 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10448415  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4479 Plumas 5200 ft. T27N R8E se/se sec 36. Almanor NE quad. Both sides of rd 27N92, near Goldstripe Mine, ca. 2.3 mi se of Canyon Dam. 1585 Comment
  SEINET10448416  Arabis constancei Mary Susan Taylor 1981-6-22 Taylor 3944 Plumas T25N R8E nw/sw sec 33. Bucks Lake quad. E side of 25N17, ca. 1/8 mi S of Bean Creek, on rocky serpentine ridge, ca. 1/4 mi N of jct 25N17 with 25N81 (Old Mountain House Rd), ca. 3.5 air mi NW of Meadow Valley. 5000 ft elev. 1524 Comment
  SEINET10874431  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4471 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  SEINET10874433  Arabis constancei Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3827 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. S side of Hwy 70, ca. 100 ft W (upslope) of RR track, ca. 200 yds S of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. Yellow Pine Forest opening over serpentine; 4000 ft. 1219 Comment
  NY172665  Arabis suffrutescens var. perstylosa L. Constance 1938-6-9 2309 Plumas Above the Middle Fork of the Feather River, 7.3 miles southweast of Quincy 1219.2 Comment
  CHSC105612  Aralia californica L. P. Janeway 2010-8-4 10133 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Hwy 70 and East Fork North Fork Feather River. 944 Comment
  UC924272  Aralia californica H. S. Reed 1941-8-2 Plumas Forest Lodge 1036 Comment
  CAS-BOT-BC407712  Arceuthobium abietinum Mrs. Jos. Clemens 1919-11-1 s.n. Plumas Taylorsville Comment
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 Comment
  JEPS107546  Arceuthobium abietinum Lowell Ahart, John Dittes 2005-9-19 12412 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  SEINET2139858  Arceuthobium abietinum R. L. Mathiasen 2007-1 2007 -31 Plumas Ca. 1.6 km E. of Grizzly Summit on forest road 414 1700 Comment
  CAS-BOT-BC407770  Arceuthobium californicum Lowell Ahart 1987-9-29 5908 Plumas along Hartman Bar Ridge Road, about 3.5 miles NW of Tamarack Flat and about 5.5 miles NW of Little Grass Valley Reservoir 1706 Comment
  SEINET2116911  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-18 2004 -14 Plumas South side of Long Lake, Plumas National Forest 1915 Comment
  SEINET2116922  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-9 2004 -29 Plumas South side of Long Lake. Plumas National Forest 1915 Comment
  CHSC62413  Arctium minus L. P. Janeway 1993-8-26 4545 Plumas Plumas National Forest. Northwest corner of Sierra Valley; riverbank on south side of Middle Fork Feather River, 1 mi west of Beckwourth and 4 mi east of Portola. 1484 Comment
  CAS-BOT-BC24188  Arctostaphylos John Thomas Howell 1976-7-16 51917 Plumas In area of metamorphic shaly rock just east of Bucks Summit on road to Meadow Valley. 1645 Comment
  JEPS46183  Arctostaphylos Walter Knight and Irja Knight 1966-9-12 1697 Plumas around Pond Reservoir; Butterfly Botanical Area and vicinity 1097 Comment
  JEPS109800  Arctostaphylos mewukka subsp. truei Dean W. Taylor 2004-6-17 19113 Plumas Feather River Canyon, along Highway 70 equidistant between Cresta Dam and Rock Creek 563 Comment
  UCR77905.2  Arctostaphylos mewukka subsp. truei J. T. Howell 1976-4-2 51570 Plumas Injun Jim Campground, N Fork Feather River 610 Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  CAS-BOT-BC42119  Arctostaphylos patula Alice Eastwood 1927-6-15 14595 Plumas On trail to Long Valley Comment
  SEINET11994917  Arctostaphylos patula subsp. platyphylla Unknown 1987-1 s.n. Plumas logging road near Bucks Lake 1615 Comment
  UCD52644  Arctostaphylos viscida John Thomas Howell 1959-9-21 34776 Plumas North Fork Feather River near Belden 701 Comment
  POM77151  Arctostaphylos viscida subsp. viscida Mary E. P. Ames 1891-02 s.n. Plumas Taylorsville, Indian Valley. Comment
  RSA59105  Arctostaphylos viscida subsp. viscida E. K. Balls 1950-8-30 15509 Plumas 0.5 mile west of Feather River Experiment Station, (4 miles N. of Quincy). 1067 Comment
  CAS-BOT-BC47031  Arctostaphylos viscida subsp. viscida G. M. Wikoff 1915-4-19 s.n. Plumas Statton grounds. Comment
  CHSC91926  Arenaria aculeata L. P. Janeway 2005-7-31 8509 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km south-southwest of Adams Peak. 1875 Comment
  UC1125771  Arenaria congesta var. suffrutescens E. Sawyer 1935-6-4 64 Plumas 3 3/4 mi ese Beckwith Butte; Sierraville Quadrangle 1493 Comment
  JEPS103546  Arenaria kingii var. glabrescens Lowell Ahart 2002-6-26 9781 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  CAS-BOT-BC17390  Armoracia rusticana John Thomas Howell 1961-9-25 36960 Plumas Sierra Nevada. Portola. 1478 Comment
  CAS-BOT-BC82214  Arnica chamissonis John Thomas Howell 1960-7-22 35872 Plumas Drakesbad 1828 Comment
  CHSC73917  Arnica chamissonis B. Castro; Barry Davis 1997-8-13 778 Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Ck (ca 1.5 mi N of Crocker Mdw). 1700 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
  UC1119283  Arnica cordifolia E. Sawyer 1935-6-17 116 Plumas 5 mi sse Crow; Sierraville Quadrangle 1798 Comment
  JEPS94511  Arnica discoidea Vernon Oswald and Lowell Ahart 1997-9-18 8883 Plumas ca. 1 mi w of the s end of Butt Valley Reservoir (Forest Road 26N36 at its intersection with 26N74); Forest Road 26N36 1396 Comment
  CAS-BOT-BC82504  Arnica discoidea Thos. Harris 1969-7-25 s.n. Plumas on ridge south of Almanor 1584 Comment
  CDA1732  Arrhenatherum elatius L. P. Janeway 1996-6-2 5026 Plumas Northern High Sierra Nevada; Along Road 25N17 (road from Virgilia to Meadow Valley) 0.3 mi from Road 25N20, in total 1.9 mi from railroad crossing and East Branch North Fork Feather River. Comment
  CHSC57408  Artemisia arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. 1691 Comment
  JEPS78244  Artemisia arbuscula subsp. arbuscula L. R. Heckard with T. I. Chuang and R. Bacigalupi 1978-7-20 4895 Plumas near Beckwourth (about 2 mi. s. of railroad tracks); Sierra Valley 1493 Comment
  RSA122486  Artemisia arbuscula subsp. arbuscula C. G. Albertus 1935-8-22 273 Plumas 2.5 miles S of Bagley pass 1768 Comment
  SEINET10905058  Artemisia biennis Mary Susan Taylor 1982-8-27 Taylor 5071 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
  CHSC113869  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 Plumas In the middle 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
  JEPS107695  Artemisia douglasiana Lowell Ahart, John Dittes 2005-9-20 12454 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 1984 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
  CHSC97054  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; Josephine Guardino 2007-7-20 14334 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC93522  Artemisia tridentata subsp. tridentata H. Albert Barker 1926-7-11 277 Plumas Feather River - Blairsden 1371 Comment
  HSC75919  Asarum lemmonii Larry E. DeBuhr, G. Wallace 1972-5-21 587 Plumas Plumas National Forest, Butterfly Valley, 1 mi. SW of Keddie along F.S. Rd. 25N12 at junction with Blackhawk Creek Comment
  SEINET10937933  Asarum lemmonii Mary Susan Taylor 1974-7-3 Taylor 304 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 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
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park Comment
  SD46629  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas Feather River, Middle Fork, No Ear Bar 915 Comment
  CAS-BOT-BC69581  Aspidotis densa George W. Gillett; Hans Leschke 1957-7-13 763 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen, Lassen Volcanic National Park. 2057 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-BC97463  Aster W. Harnach; N. Harnach 1990-6-13 368 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  RSA726330  Aster breweri L. Ahart, John Dittes 2007-8-9 14445 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 air miles northwest of the north end of Lake Davis 2552 Comment
  CHSC45637  Aster elatus Vernon H. Oswald 1986-8-7 2273 Plumas Old Hauns Rd. to Homer Lake trailhead, 2.2 mi N of Hwy 89 and slightly east of the road to Hauns Meadows. 1463 Comment
  CHSC66690  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8098 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. 1188 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
  POM312510  Aster elatus S. Galen Smith, Malcomb S. Nobs 1949-8-19 1432 Plumas At Butterfly Valley Comment
  SEINET10474122  Aster foliaceus Mary Susan Taylor 1981-8-19 Taylor 4223 Plumas California: T23N R11E nw 1/4 of se 1/4 sec 18. Blue Nose Mt quad. Along creek, 0.1 mi W of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  RSA59444  Aster occidentalis var. fremontii E. K. Balls 1950-9-8 15726 Plumas Lakes Center Public Campground 2043 Comment
  SEINET5324525  Astragalus lemmonii W. Harnach, N. Harnach 2000-6-14 908 Plumas Approx 1/2 mile west of County Road A-24, 2.5 miles north of Loyalton, CA. 1490 Comment
  CHSC40925  Astragalus lentiformis W. D. Daban 1985-6-21 Plumas Portola. Comment
  CHSC56851  Astragalus lentiformis L. P. Janeway; Garrett Gibson 1991-7-18 4076 Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  CAS-BOT-BC187164  Astragalus lentiginosus var. floribundus L. P. Janeway; Jannice Cutler 1992-5-28 4207 Plumas Southwest side of Dotta Canyon 1.1 mi southeast of Beckwourth-Genesee Road 1685 Comment
  CHSC52411  Astragalus lentiginosus var. lentiginosus L. P. Janeway 1989-6-30 3422 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) 5.7 mi N of Beckwourth, almost to Crocker Mdw. 1767 Comment
  RSA0006800  Astragalus lentiginosus var. lentiginosus S. W. Austin 1902-06 s.n. Plumas [Baker City] Comment
  CAS-BOT-BC193046  Astragalus purshii var. tinctus Clare B. Hardham 1961-6-16 7445 A Plumas Diamond Peak 2255 Comment
  CAS-BOT-BC193047  Astragalus purshii var. tinctus Lewis S. Rose 1963-6-4 63123 Plumas Sierra Valley, 2 mi s. of Beckwourth 1463 Comment
  UC1128868  Astragalus purshii var. tinctus E. Sawyer 1935-6-27 212 Plumas mouth Dixie Valley Sierraville Quad., , Dixie Valley (Plumas National Forest) Comment
  CHSC33880  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy 89, ca. 1/4 mi s of turnoff to Taylorsville ca. 1 mi s of Crescent Mills. 1097 Comment
  CHSC37016  Astragalus webberi M. S. Taylor 1982-6-14 4671 Plumas E side of Hwy 89, ca. 1 mi n of Indian Falls. 1036 Comment
  CHSC52929  Asyneuma prenanthoides L. P. Janeway 1989-8-1 3544 Plumas Plumas National Forest. N'ly facing slope above Poplar Cr, ca 1 1/2 mi SW of Big Hill. 1539 Comment
  CHSC88661  Asyneuma prenanthoides Linnea Hanson 1981-7-15 148 Plumas Plumas National Forest. 1524 Comment
  RSA0035343  Athyrium filix-femina subsp. cyclosorum Lowell Ahart 2012-9-5 18432 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1889 Comment
  CHSC30852  Athyrium filix-femina var. cyclosorum L. Ahart 1980-9-17 2653 Plumas Ca. 0.5 mi w of Fowler Peak. 487 Comment
  JEPS117726  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) 1662 Comment
  JEPS95303  Athyrium filix-femina var. cyclosorum Lowell Ahart 1994-7-28 7537 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SD9783  Athyrium filix-femina var. cyclosorum Mrs. R. M. Austin 1879-1 Plumas Big Meadow Comment
  CDA18588  Athyrium filix-femina var. cyclosorum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3278 Plumas Sierra Nevada; 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade). 1402 Comment
  CDA18704  Balsamorhiza deltoidea G. D. Barbe, T. C. Fuller 1982-6-15 3707 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CHSC113200  Balsamorhiza sagittata L. P. Janeway 2014-5-25 11265 Plumas High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Humboldt Peak; Pacific Crest Trail nearby. 2073 Comment
  UC726077  Balsamorhiza sagittata A. A. Heller 1940-5-22 15670 Plumas n of, 2 mi from the junction with State Highway 36, along State Hwy 89 Almanor Comment
  CAS-BOT-BC16563  Barbarea orthoceras Alice Eastwood 1909-1-1 105 Plumas Lake Tahoe Region. Ward Creek. Comment
  CAS-BOT-BC145805  Beckmannia syzigachne Robert J. Weatherby 1950-7-28 1502 Plumas Marshy border of Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  UCD56778  Beckmannia syzigachne John Thomas Howell 1962-6-18 37747 Plumas Plants of the Sierra Nevada. Sierra Valley near Beckwourth. 1487 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
  CAS-BOT-BC413049  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC413052  Bistorta bistortoides Arthur C. Barrett 1915-6-21 222 Plumas Plumas National Forest. Lone Rock Valley 1645 Comment
  JEPS104109  Blepharipappus scaber Lowell Ahart 2003-8-8 10484 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  CAS-BOT-BC128020  Blepharipappus scaber Gladys L. Smith 1976-6-7 4575 Plumas vernal pool alongside Rte. A23 about 6 miles north of Sierra Co and just before road to Hot Springs 1524 Comment
  RSA0125973  Boechera Milo S. Baker 1952-5-27 12475 Plumas Feather River Canyon at Camp Storrie. 473 Comment
  UC1446144  Boechera Lowell Ahart 1979-8-4 Plumas ca. 12 mi. n. La Porte (head of Dixon Creek, n. of Buzzards Roost Ridge, ca. 1 mi. n. of Pilot Peak); Dixon Creek 1700 Comment
  CHSC43809  Boechera breweri subsp. breweri Lowell Ahart 1977-6-21 1439 Plumas On the floor of the hydraulic mine at Turkeytown, about 15 miles north-east of La Porte. 1828 Comment
  CHSC33811  Boechera constancei M. S. Taylor 1981-6-22 3944 Plumas E side of 25N17, ca. 1/8 mi s of Bean Creek on ridge, ca. 1/4 mi n of jct 25N17 with 25N81 (Old Mt House Rd), ca. 3.5 air mi nw of Meadow Valley. 1524 Comment
  CHSC34003  Boechera constancei M. S. Taylor; M. Foster 1981-6-15 3893 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29 (rd to Deanes Valley), ca. 2 mi ne of Meadow Valley. 1158 Comment
  CHSC36192  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur rd and 27N92, nw of Goldstripe Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CAS-BOT-BC14016  Boechera lemmonii Ella Dales Cantelow 1941-5-18 3626 Plumas 1.5 miles west of Johnsville Road to Gibsonville. 1615 Comment
  JEPS107621  Boechera pinetorum Lowell Ahart, Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UC1586429  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4684 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  SEINET12627104 Image available Boechera puberula Martin Schilling 2013-1 MS 221 Plumas on road from Chilcoot to Frenchman Lake, ca. 0.4 air mi after the first bridge, on roadside below rocks, NE-facing 1626 Comment
  SEINET3166401  Boechera puberula P. J. Alexander 2009-5-25 1039 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.3 miles ENE of the center of the dam, 7.2 miles NNW of Chilcoot, Plumas National Forest. 1774 Comment
  SEINET3166403  Boechera puberula P. J. Alexander 2009-5-25 1041 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.25 miles E of the center of the dam, 7.1 miles NNW of Chilcoot, Plumas National FOrest. 1747 Comment
  CHSC94125  Boechera rectissima Lowell Ahart 2006-7-3 12908 Plumas Near the east edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  CHSC43808  Boechera repanda Lowell Ahart 1979-7-15 1958 Plumas Along a logging road that takes you to Bunker Hill Creek, about 1 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC25590  Boechera retrofracta John Thomas Howell; Gordon H. True 1969-6-23 45834 Plumas Sierra Nevada. On Middle Fork of Feather River at Nelson Point. 1249 Comment
  JEPS102850  Boechera retrofracta Lowell Ahart 2001-7-17 8932 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
  SEINET12627118 Image available Boechera retrofracta Martin Schilling 2013-1 MS 171 Plumas Butterfly Valley, ca 5.5 air mi N of Quincy, right at the mouth of the creek, on the rocky, E-facing slope 968 Comment
  CAS-BOT-BC25718  Boechera sparsiflora John Thomas Howell 1962-6-17 37696 Plumas Sierra Nevada. Portola. 1463 Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  CAS-BOT-BC25890  Boechera subpinnatifida M. S. Taylor 1981-6-2 3820 Plumas North side of Highway 70, on east side of Squirrel Creek, northeast of Spring Garden over pass. 1219 Comment
  CAS-BOT-BC25928  Boechera suffrutescens John Thomas Howell 1951-6-28 27713 Plumas Eureka Peak. 2255 Comment
  CAS-BOT-BC539305  Boechera suffrutescens G. Ledyard Stebbins 1970-7-24 7072 Plumas S of Round Lake, in Lakes Basin, S of Gray Eagle [exact location unknown] 2072 Comment
  CHSC63123  Boechera suffrutescens Lowell Ahart 1994-6-29 7409 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CAS-BOT-BC478471  Boisduvalia John Thomas Howell 1961-9-25 36946 Plumas Feather River bed, Portola 1478 Comment
  POM248780  Boisduvalia densiflora L. S. Rose 1934-7-23 34405 Plumas Vinton 1524 Comment
  RSA715667  Boisduvalia densiflora var. densiflora L. Ahart, Josephine Guardino 2005-8-9 12260 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  CHSC110868  Botrychium minganense Tim Hanson; Emily Meigs Doe 2013-7-31 4 Plumas North High Sierra Nevada. On the Southeast side of Silvertip Road (22N60) approximately .9 km north of its intersection with Road 22N68. 1637 Comment
  CHSC82539  Botrychium simplex Lowell Ahart; John Dittes 2002-6-17 9721 Plumas On the sides of a drainage in a meadow, on the north side of the road, about 1/8 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1651 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
  UC1609397  Botrychium simplex Vernon H. Oswald and Lowell Ahart 1993-8-3 5768 Plumas ca. 9 mi (air) n Lake Almanor (unnamed lake ca. 0.25 mi e of Hay Meadow, n end 30N25, sw corner of lake); s edge Caribou Wilderness 1926 Comment
  CHSC82538  Botrychium simplex var. compositum Lowell Ahart; John Dittes 2002-6-17 9728 Plumas In meadow, about 150 yards south of the road, about 3/4 mile (air) 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. 1716 Comment
  CHSC66768  Boykinia major Vernon H. Oswald; Lowell Ahart 1996-8-14 8165 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Northern High Sierra Nevada. 1645 Comment
  CHSC53121  Brickellia greenei L. P. Janeway 1990-9-27 3851 Plumas Plumas National Forest. 2/3 mi E of Cascade Cr and 1/4 mi S of Little Grizzly Cr. 1783 Comment
  CHSC77042  Brickellia greenei L. P. Janeway 1996-8-22 5078 Plumas Bean Creek at crossing of Road 25N17. 1402 Comment
  JEPS124135  Brickellia greenei Lowell Ahart, John Deurloo 2015-8-25 20530 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  RSA599864  Brickellia greenei L. C. Wheeler 1959-7-14 7563 Plumas Middle Fork Feather River: McCarthy Mine, McCarthy Bar.. . Comment
  UC143028  Brodiaea minor Mrs. A. L. Coombs 1902-7-7 Plumas Prattville Comment
  CAS-BOT-BC149315  Bromus carinatus var. carinatus John Thomas Howell 1961-9-23 36899 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CAS-BOT-BC149322  Bromus carinatus var. carinatus Clare B. Hardham 1975-8-2 20475 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  UC333235  Bromus carinatus var. carinatus unknown Plumas Sierra Comment
  CAS-BOT-BC148703  Bromus carinatus var. marginatus John Thomas Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148714  Bromus carinatus var. marginatus John Thomas Howell; Gordon H. True 1973-7-31 50104 Plumas Sierra Nevada. Summit ridge of Thompson Peak, Diamond Range. 2194 Comment
  CAS-BOT-BC148747  Bromus carinatus var. marginatus John Thomas Howell 1951-6-28 27657 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CAS-BOT-BC148750  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Amanor. 1828 Comment
  SEINET204038 Image available Bromus carinatus var. marginatus F. J. Herman 1955-7-27 11952 Plumas Beckwourth Comment
  UCD59113  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35932 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS118410  Bromus ciliatus Lowell Ahart 2011-9-17 17658 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  HSC9165  Bromus commutatus L. S. Rose 1968-6-10 68087 Plumas Quincy Meadow 1037 Comment
  SEINET10514492  Bromus commutatus Mary Susan Taylor 1982-6-28 Taylor 4774 A Plumas Portola quad. Ramelli Ranch, between Calpine Rd (109) and cow pasture, in Sagebrush Scrub drainages, ca. 1 mi W of Beckwourth. T23N R14E NW1/4NEX3/4 1487 Comment
  CHSC69485  Bromus inermis subsp. inermis James D. Jokerst 1985-6-10 2395 Plumas Indian Creek Small Hydro Survey. Adjacent to Hwy. 70 at diversion ca. 1 mi NE of Indian Falls. 1036 Comment
  CHSC97510  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2007-6-17 14190 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  RSA726451  Bromus inermis subsp. inermis L. Ahart, John Dittes 2007-6-17 14190 Plumas 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. 1655 Comment
  CHSC75946  Bromus japonicus G. F. Hrusa 1997-6-26 13880 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). [Original lat./long. on label is '39 53 N; 120 42 W']. 1450 Comment
  CAS-BOT-BC162160  Bromus orcuttianus Clare B. Hardham 1970-8-9 17716 A Plumas Road to Thompson Peak Lookout. 2133 Comment
  JEPS115941  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-13 16037 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
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CDA19253  Bromus tectorum G. D. Barbe, T. C. Fuller 1982-6-17 3808 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  LA13855  Bromus tectorum Joseph Andorfer Ewan; 1934-7-19 8249 Plumas Mohawk Valley, Dentens 1615 Comment
  JEPS124729 Image available Bromus tectorum 32 Plumas Beckwourth pass Summit in the dry somewhat sandy place. Comment
  UCD60230  Bromus vulgaris R. Tofsrud 1948-7-1 s.n. Plumas Between Meadow Valley and Bucks Lane. 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
  CHSC116364  Calamagrostis canadensis Sara M. Taylor; Scott Batiuk 2012-8-1 62 Plumas Plumas National Forest. Jacks Meadow. From Quincy head west on Bucks Lake Rd, right onto Silver Lake Rd (24N29X). Go until 1 km south of Silver Lake, on left is drainage (Jack's Creek). Park and hike along drainage for ~700 m. UTM zone 10, 4423691 N, 659621 E. 1676 Comment
  SEINET10531066  Calocedrus decurrens Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CAS-BOT-BC132242  Calochortus W. Harnach; N. Harnach 1990-6-13 364 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  UC170966  Calochortus coeruleus H. M. Hall 1912-6-25 9395 Plumas Nelson Point Sierra Nevada Mountains 1371 Comment
  CDA14704  Calochortus leichtlinii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CHSC21535  Calochortus leichtlinii D. Brink; L. Mayer 1975-7-10 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC64481  Calochortus leichtlinii B. Castro; G. Kuenster 1994-6-30 521 Plumas Ca. 0.1 mi SE of Grizzly Mtn (=Red Mtn on some maps), in grassy areas within serpentine outcrop on N side of USFS Rd 23N69. 1911 Comment
  CAS-BOT-BC491826  Calochortus leichtlinii John Thomas Howell 1951-6-27 27560 Plumas Johnsville 1584 Comment
  CAS-BOT-BC491827  Calochortus leichtlinii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54358 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC491831  Calochortus leichtlinii S. Earle Kelly 1920-7-1 s.n. Plumas Greenville Comment
  SEINET8197334  Calochortus leichtlinii A. A. Heller, P. B. Kennedy 1907-7-4 8719 Plumas Ridge east of Red Clover Valley. Comment
  UC170933  Calochortus leichtlinii H. M. Hall 1912-7-7 9311 Plumas Jameson Creek Sierra Nevada Mountains 1920 Comment
  CAS-BOT-BC483472  Calochortus minimus E. K. Balls; L. W. Lenz 1956-6-19 21838 Plumas 0.3 mile east along State Highway 89, past P.G.&E. Dam, Lake Almanor 1432 Comment
  UCD139548  Calochortus minimus Dean Dubbe 1974-5-18 14- 6 Plumas Butterfly Valley, 6 miles northwest of Quincy, off of Hwy 89. 1097 Comment
  SD7979  Caltha howellii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC90967  Calycanthus occidentalis P. Monnet 1913-8-1 s.n. Plumas Sierra Nevada. Feather River Canyon, Big Bar. Comment
  CDA23941  Calyptridium monospermum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .301 Plumas Above Little Grass Lake on West side. Comment
  SJSU14353  Calyptridium umbellatum N. A. Hopkins 1990-5-12 1610 Plumas SW side of Clover Valley on rd to Genessee, 11.2 mi NW of Beckwourth 1645 Comment
  JEPS103357  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2002-6-26 9767 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
  SBBG5754  Calystegia malacophylla subsp. malacophylla H. and M. Dearing 1938-7-2 2266 Plumas Feather River Cyn below Paxton 792 Comment
  CHSC2247  Camassia quamash subsp. breviflora A. Stone 1937-6-15 Plumas East of Quincy. 1036 Comment
  UC1134557  Camassia quamash subsp. breviflora E. Sawyer 1935-6-27 180 Plumas 1.6 mi ene of Grizzley Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  RSA39722  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-16 11814 Plumas 5 miles north of Chilcoot 1524 Comment
  CAS-BOT-BC160836  Camissonia tanacetifolia subsp. quadriperforata John Thomas Howell 1955-7-19 30753 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC160837  Camissonia tanacetifolia subsp. quadriperforata John Thomas Howell 1962-6-18 37769 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC160888  Camissonia tanacetifolia subsp. tanacetifolia Lin Grayson 1981-5-16 040 Plumas Sierra Valley marsh along County Road A 24, Sierra-Plumas county 1666 Comment
  RSA186579  Camissonia tanacetifolia subsp. tanacetifolia T. Mosquin, J. M. Gillett 1963-7-14 5302 Plumas Middle Fork of Feather River just N of Mohawk Comment
  RSA184942  Campanula prenanthoides L. S. Rose 1966-7-26 66049 Plumas Butterfly valley- 3 mi w. of Keddie. 1067 Comment
  SEINET10939013  Campanula prenanthoides Mary Susan Taylor 1981-8-19 Taylor 4217 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
  CHSC92132  Capsella bursa-pastoris Lowell Ahart; John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  UC1126884  Cardamine breweri P. G. Haddock 1938-5-29 3 Plumas Little Schneider Bidwell Bar Quad., Plumas National Forest, Little Schneider Comment
  SEINET5341058  Cardamine cordifolia P. A. Lehenbauer 1926-5-31 1498 Plumas Clover Creek, Plumas Nat. Forest. Comment
  CHSC71138  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas East side of ravine draining East Branch North Fork Feather River at Rich Bar; above Hwy 70. Almost to the edge of the creeklet. 792 Comment
  CHSC71139  Cardamine pachystigma L. P. Janeway 1998-5-22 5596 Plumas Red Hill; along the road to the lookout (26N22F) 2.3 mi from Deadwood Saddle. Slope above the road (and on the road cutbank). 1722 Comment
  CHSC83649  Cardamine pachystigma John Dittes 2002-4-27 2 -50 Plumas Northern High Sierra Nevada; Plumas National Forest, Watson Ridge, ca. 1.5 air-miles north of Feather Falls Overlook, ca. 1.8 air-miles east of Bald Rock Dome, on north/south-oriented ridge top, north of hairpin turn in FS Road 21N25A. 1104 Comment
  UC1736742  Cardamine pachystigma var. pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  CAS-BOT-BC18347  Carex L. S. Rose 1967-6-10 67151 Plumas Sierra Nevada. Butterfly Valley. 1097 Comment
  CAS-BOT-BC18352  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54183 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  CAS-BOT-BC18356  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54342 Plumas Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road. 1341 Comment
  UC942969  Carex abrupta Lewis S. Rose 1951-6-27 51044 Plumas sw Johnsville; Jamison Creek 1889 Comment
  CHSC47007  Carex amplifolia L. P. Janeway 1989-7-21 3513 Plumas Plumas National Forest. At boxed-up spring at crossing of rd 25N85, 1.3 mi from rd 25N05, 2.1 mi NE of Beckwourth-Genesee Rd (rd 111) (and Red Clover Valley), 15.7 mi from Beckwourth. 1737 Comment
  CHSC112374  Carex angustata L. P. Janeway 2014-7-15 11534 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
  CHSC55429  Carex angustata L. P. Janeway 1984-7-12 906 Plumas Southwest of Bucks Lake, near Grizzly Cr campground. 1584 Comment
  CAS-BOT-BC17931  Carex angustata L. P. Janeway 1991-7-23 4095 Plumas Plumas National Forest. Beckwourth Ranger District. McRae Compartment. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  CHSC115918  Carex angustata Sara M. Taylor; Scott Batiuk 2012-7-19 48 Plumas Plumas National Forest, Pacific Southwest Region, Forest Service. Rocky Knoll West. Follow Rd. 24N33 to the Mill Creek Trailhead, near where Right Hand Salt Creek meets Mill Creek. Follow Mill Creek Trail north for ~350 m then bushwhack ~800 m to fen/meadow. UTM zone 10, 4422869N, 655364E. 1831 Comment
  CAS-BOT-BC19725  Carex athrostachya John Thomas Howell 1951-6-27 27591 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  CAS-BOT-BC19728  Carex athrostachya John Thomas Howell 1962-6-18 37753 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CHSC53653  Carex athrostachya L. P. Janeway 1984-7-13 902 Plumas Near Grizzly Creek campground, SW of Bucks Lake. 1584 Comment
  CHSC58522  Carex athrostachya Vernon H. Oswald; Lowell Ahart 1992-7-9 5098 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  SEINET4292084 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Comment
  SEINET4292088 Image available Carex athrostachya L. Ahart, Guardino, J 2005-1 12269 Plumas Yellow Pine Forest. In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miair) NW of the Boulder Creek Work Center at Antelope Lake Comment
  SEINET10466812  Carex athrostachya Mary Susan Taylor 1982-7-8 Taylor 4795 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC19132  Carex aurea John Thomas Howell 1951-6-27 27616 Plumas Sierra Nevad. Jamison Creek. 1828 Comment
  CHSC56884  Carex aurea L. P. Janeway; Garrett Gibson 1991-8-2 4100 Plumas Plumas National Forest. Meadow stringer along Humbug Creek; southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC19136  Carex aurea L. P. Janeway; Garrett Gibson 1991-8-2 4100 Plumas Plumas National Forest. Beckwourth Ranger District. Along Humbug Crek. Southeast flank of Smith Peak. 1828 Comment
  JEPS115936  Carex bolanderi Lowell Ahart, John Dittes 2009-7-13 16031 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CDA33046  Carex bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3348 Plumas 0.75 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  CAS-BOT-BC19626  Carex brainerdii L. P. Janeway 1984-7-22 929 Plumas Summit above Lookout Rock, 1.5 mile northeast of Mt. Ararat. 1815 Comment
  CHSC87858  Carex brainerdii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east 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
  JEPS118661  Carex brainerdii L. P. Janeway 2010-7-3 10076 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine, ±overlooking Middle Fork Feather River from the North. Comment
  UCD140184  Carex brainerdii John Thomas Howell 1960-7-22 35911 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC19622  Carex brainerdii John Thomas Howell; Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CHSC115917  Carex cusickii Sara M. Taylor; Scott Batiuk 2012-7-31 54 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd to Smith Lake (via Snake Lake). Take left (west) onto 25N20.Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  SEINET10433523  Carex douglasii W. Harnach, N. Harnach 1994-5-15 782 Plumas Sierra Valley,Approx 4 miles W of Vinton on Hwy 70, Hindoo Ranch on south side of Hwy 70 1490 Comment
  CHSC51508  Carex echinata subsp. echinata W. D. Dakan 1978-6-3 Plumas Butterfly Valley Botanical Area. 1295 Comment
  CHSC65592  Carex echinata subsp. echinata L. P. Janeway 1995-7-23 4872 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
  UC2015883  Carex echinata subsp. echinata Walter Knight, Irja Knight, and John Thomas Howell 1966-7-28 1676 Plumas Sweetwater Meadow Comment
  SEINET10650254  Carex eurycarpa A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8784 Plumas Prattville. Comment
  RSA121759  Carex exserta E. Sawyer 1935-5-22 21 Plumas 3/4 mile southwest of Beckwith City. 1494 Comment
  CDA13986  Carex feta G. F. Hrusa 1996-8-2 13425 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Common on +- disturbed area of wet springline, forming tributary of Squirrel Creek. Comment
  SEINET7558594 Image available Carex filifolia var. erostrata Unknown 2006-6-14 8691 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynold Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  CAS-BOT-BC22343  Carex filifolia var. filifolia Lloyd W. Swift 1931-6-1 48 Plumas Plumas Forest. Murdock Crossing. 1676 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
  CHSC99978  Carex geyeri L. P. Janeway; Matt Simenc 2008-9-10 9590 Plumas Northern High Sierra Nevada. Along the ridge between Washington Creek and Winters Creek; 1.0 km south of Middle Fork Feather River; 3/4 km north-northwest of Finger Board. 1564 Comment
  CHSC110367  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas Around the south edges of a small meadow, at the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  JEPS49036  Carex heteroneura Leland S. Smith 1927-8-10 2194 Plumas w end of Gold Lake Tahoe National Forest, Gold Lake 2133 Comment
  CHSC77168  Carex heteroneura var. heteroneura G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3077 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
  CHSC99377  Carex infirminervia Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10534 Plumas Ca. 14 mi WSW of village of Almanor, down road from Humboldt Summit, at stream crossing by Humboldt Road (county route 308). On bank of stream. 1777 Comment
  CHSC77169  Carex integra G. Douglas Barbe; T. C. Fuller 1982-6-16 3788 Plumas Plumas National Forest. In marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CHSC65596  Carex jonesii L. P. Janeway 1995-8-4 4887 Plumas About 0.8 mi northeast of Dixie Mountain Lookout; small spring at uppermost crossing of Lookout Creek by Road 25N03. 2126 Comment
  CHSC43021  Carex lemmonii L. P. Janeway 1984-7-13 904 Plumas SW of Bucks Lake, near Grizzly Cr Campground. 1584 Comment
  CHSC43521  Carex lemmonii Lowell Ahart 1979-8-16 2016 Plumas Small bog, about 100 yards east of Ohio Ravine and the dirt road, about 2 1/2 miles south of Grizzly Mountain. 1584 Comment
  JEPS28343  Carex lemmonii George W. Gillett 1957-7-19 854 Plumas On trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen 2057 Comment
  CHSC47142  Carex lenticularis var. impressa Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  CHSC84451  Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas Seep, 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. 1752 Comment
  CHSC58526  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5041 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CAS-BOT-BC28514  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44241 Plumas Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC31519  Carex limosa Thomas Griggs 1975-6-1 237 Plumas Bucks Lake Area. Comment
  CAS-BOT-BC31640  Carex luzulina var. ablata L. P. Janeway 1990-6-27 3734 Plumas Mt. Ingalls quad. Headwaters of Joseph Creek on NE side of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC32066  Carex multicaulis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1424 Plumas Near open forest adjacent to Pond Reservoir. Butterfly Botanical Area and Vicinity. 1097 Comment
  CDA13390  Carex multicostata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13239 Plumas Sierra Nevada; below headwaters of Bull Run Creek off USFS 23N12E. Comment
  JEPS118392  Carex nebrascensis 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
  UC573495  Carex nebrascensis E. Sawyer 1935-6-27 190 Plumas 1.6 mi ene Grizzly Pk.; Downieville Quadrangle 1767 Comment
  CAS-BOT-BC119859  Carex nebrascensis Catherine McWilliams 1971-9-1 531 Plumas Near a small lake in Mohawk Valley, off the Johnsonville road. 1341 Comment
  SEINET3905629  Carex ormantha Lewis S. Rose 1963-6-3 63101 Plumas Butterfly Valley 2 mi. sw. of Keddie.; 0 1189 Comment
  CHSC118837  Carex pachycarpa Chelsea Morgan 2016-8-4 2016040 Plumas Lassen National Forest. Location north of Snow Mountain, and south of Humbug Summit Road. UTM 633772 E, 4436830 N, NAD 83 Zone 10 North. 1930 Comment
  CAS-BOT-BC119183  Carex pachystachya Alice Eastwood 1927-6-1 14688 Plumas Forest Lodge near Greenville. Comment
  CDA17775  Carex pachystachya G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3153 Plumas Long Valley; Long Valley, 0.4 mi S of jct, Dixie Canyon--Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC92204  Carex pachystachya Lowell Ahart; Josephine Guardino 2005-8-9 12270 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SEINET7570350 Image available Carex pachystachya Lewis S. Rose 1968-6-10 68085 Plumas Quincy Meadow. 1036 Comment
  CHSC66775  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-8-14 8154 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 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
  SEINET12649673 Image available Carex pellita Lowell Ahart, John Dittes 2009-1 16187 Plumas 1480 Comment
  CAS-BOT-BC118813  Carex preslii James D. Jokerst; Robert A. Schlising 1981-8-1 1453 B Plumas Just N of Butte Co line, S of saddle between Humboldt Peak and Eagle rock, Comment
  CAS-BOT-BC118130  Carex rossii John Thomas Howell 1960-7-22 35913 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CDA17782  Carex rossii G. D. Barbe, T. C. Fuller 1982-6-16 3796 Plumas Plumas National Forest; Below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CAS-BOT-BC118133  Carex rossii John Thomas Howell; R. C. Barneby 1954-5-14 29565 Plumas Damp meadow near Almanor PO. 1280 Comment
  SEINET10818096  Carex rostrata Mary Susan Taylor 1982-7-12 Taylor 4819 Plumas T23N R11E sw1/4 sec 21. Blue Nose Mt quad. Abundant in wet montane meadow in McRae Meadow, ca. 6 mi w of Mohawk. With Trifolium repens, Geum macrophyllum. 1890 Comment
  CAS-BOT-BC28307  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes, southern county. 2103 Comment
  CHSC47352  Carex scopulorum var. bracteosa L. P. Janeway 1984-9-1 1142 Plumas Along creek near Mud Lake. 2164 Comment
  RSA60032  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes. 2104 Comment
  RSA59668  Carex senta E. K. Balls 1950-9-9 15736 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CAS-BOT-BC117524  Carex sheldonii D. H. Esplin; R. K. Gierisch 1968-10-3 6 Plumas Crocker guard station horse pasture. 1737 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
  CHSC97614  Carex sheldonii Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, 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
  UCD140819  Carex sheldonii L. P. Janeway 1997-5-28 5134 Plumas 1.3 miles west-northwest of Blairsden; between Little Bear Road and Middle Fork Feather River. 1316 Comment
  CAS-BOT-BC117736  Carex simulata George Wilson Gillett 1957-7-18 836 Plumas Willow Lake, marsh at N end. 1661 Comment
  CHSC107909  Carex specifica L. P. Janeway 2011-8-23 10668 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
  CAS-BOT-BC117369  Carex stipata var. stipata John Thomas Howell 1962-6-17 37654 Plumas Butterfly Valley. 1036 Comment
  CHSC77072  Carex stipata var. stipata G. Dougla Barbe; T. C. Fuller 1982-6-14 3688 Plumas The Quincy Region. W end of Quincy, Hwy 70 and Lawrence St. at Chevron station. 1036 Comment
  CAS-BOT-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CHSC77175  Carex subfusca G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3224 Plumas Rhinehart Meadow at 1.0 mile S of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). 1676 Comment
  CHSC84896  Carex subfusca L. P. Janeway; B. Castro 2003-9-6 7980 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  CHSC97078  Carex subfusca Lowell Ahart; Josephine Guardino 2007-7-21 14356 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  JEPS106385  Carex subfusca Lowell Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  SEINET7577155 Image available Carex subfusca John Thomas Howell, T. C. Fuller; G. D. Barbe 1981-6-24 54237 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy. 1646 Comment
  CHSC99391  Carex utriculata Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10536 Plumas Ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1746 Comment
  JEPS49032  Carex utriculata Leland S. Smith 1927-8-10 2174 Plumas Gold Lake amd Gold Valley 2255 Comment
  CHSC44128  Carex vesicaria V. Oswald; L. Ahart 1988-8-4 3673 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC115148  Carex vesicaria Herbert Faulkner Copeland 1934-7-9 s.n. Plumas Hidden Lake, just over the Butte County line. 2133 Comment
  CHSC105839  Carex whitneyi Lowell Ahart 2010-7-27 16929 Plumas About 150 yards west of the South Fork of the Feather River, west side of Forest Road 22N68, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir. 1575 Comment
  JEPS105654  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville 1399 Comment
  OBI76956  Carex whitneyi Anthony Baniaga 2011-7-26 473 Plumas Lassen Natl Forest. Intersection of F.S. 10 and 29N55. red Cinder quad. T29N R7E sec 10 NE of NE 1787 Comment
  CAS-BOT-BC65494  Carex whitneyi L. P. Janeway 1995-8-24 4901 Plumas Top of ridge, divide between Willow Creek and Freeman Creek; about 1.3 mi WSW of Smith Peak. 2042 Comment
  CAS-BOT-BC248953  Castilleja Francis W. Pennell 1940-6-10 25805 Plumas Route 89, east of Almanor 1493 Comment
  CAS-BOT-BC249369  Castilleja applegatei Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 2000 Comment
  CAS-BOT-BC249712  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CAS-BOT-BC249721  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-11 1718 Plumas Near Grasy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC249725  Castilleja applegatei subsp. pinetorum A. A. Heller; P. B. Kennedy 1907-7-15 8840 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC249736  Castilleja applegatei subsp. pinetorum Mrs. Jos Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC249737  Castilleja applegatei subsp. pinetorum C. R. Quick 1945-7-20 45 -69 Plumas Lava Cap along Rock Creek S.E. of Meadow Valley Comment
  CHSC37704  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-9-1 5086 Plumas Red Rock Lookout, ca. 15 mi ne of Taylorsville. 2316 Comment
  JEPS81610  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-31 5082 Plumas ca 6 air mi ne Taylorsville (just s of Taylor Lake); Kettle Rock Quad., Summit of Taylor Rock Lookout 2383 Comment
  RSA165518  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-16 7459 Plumas Diamond Peak. Comment
  UCSB48317  Castilleja applegatei subsp. pinetorum Hardham, Clare 1961-6-16 Plumas Diamond Peak Comment
  CHSC63175  Castilleja arachnoidea Lowell Ahart 1994-7-7 7471 Plumas On the morth side of the Pacific Crest Trail, about 1 mile west of Pilot Peak, about 1/4 mile east of Quincy La Porte Road. 1950 Comment
  JEPS9281  Castilleja arachnoidea Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3951 Plumas e of Long Lake 2042 Comment
  SBBG100090  Castilleja arachnoidea R. Bacigalupi 1952-8-19 3951 Plumas E of Long Lake 2042 Comment
  UC886447  Castilleja campestris subsp. campestris L. R. Miller 1936-6-14 Plumas Sierra Valley Comment
  JEPS80624  Castilleja lacera M. S. Taylor 1981-4-19 3931 Plumas ca 1 mi nw Prattville (ca 0.75 mi e of Hwy 89, sw side of Lake Almanor, between campground and road to Almanor); Lake Almanor, Almanor SW Quad. 1371 Comment
  SD7114  Castilleja lemmonii Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  CAS-BOT-BC254072  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley Comment
  CHSC48977  Castilleja miniata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humbolt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  JEPS80630  Castilleja miniata M. S. Taylor 1981-7-17 4023 Plumas ca 6 air mi s Mohawk (within 0.25 mi of Bear Lakes trailhead); Sierra City NW Quad., Lakes Basin 1950 Comment
  LA209236  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 Plumas Red Clover Valley Comment
  UC1063336  Castilleja miniata C. G. Albertus 1935-7-27 234 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  SEINET10549614  Castilleja miniata Mary Susan Taylor 1981-7-17 Taylor 4023 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CHSC117586  Castilleja miniata subsp. miniata L. P. Janeway 2016-8-10 12149 Plumas Northern High Sierra Nevada. Plumas National Forest; about 100 m south of Gibsonville-Johnsville Road on east side of Continental Ravine (a tributary of West Branch Nelson Creek). 1830 Comment
  CHSC66707  Castilleja miniata subsp. miniata Vernon H. Oswald; Lowell Ahart 1996-8-1 8141 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 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
  JEPS83445  Castilleja pruinosa G. L. Stebbins 1986-6-29 C 610 Plumas above Meadow Valley Comment
  CHSC110600  Castilleja tenuis B. Castro; L. P. Janeway 2006-6-14 1564 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, in area of eroded gullies within 50 m of W edge of creek, ca 400 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  CHSC20821  Castilleja tenuis K. R. Stern 1975-7-25 5818 Plumas N shore of Lake Almanor. 1371 Comment
  JEPS81473  Castilleja tenuis M. S. Taylor 1982-7-14 4829 Plumas ca 4 mi w Greenville (in Long Valley, near junction of 27N92 and 26N18); Almanor NE Quad., Long Valley 1676 Comment
  UC1281386  Ceanothus X flexilis H. E. McMinn 1941-8-27 5393 Plumas n Blairsden; n of Blairsden Comment
  CHSC93930  Ceanothus arcuatus C. L. Schmidt 1988-6-25 1218 Plumas Red Hill just below summit, 7.5 miles from US 70 up Rush Creek Road, ca. 9.4 miles SW of Paxton on US 70. 1880 Comment
  CAS-BOT-BC48617  Ceanothus cordulatus John Thomas Howell 1924-8-9 603 Plumas Two miles east of Chester on Road to Westwood 1310 Comment
  RSA712416  Ceanothus cuneatus C. L. schmidt 1988-7-15 1224 Plumas Red Hill, up Rush Creek road, 9.4 miles SW of Paxton on Hwy 70. 1260 Comment
  CAS-BOT-BC49063  Ceanothus cuneatus Clarence R. Quick 1963-8-26 63 -102 Plumas Near Cottonwood Meadow, southwest of Humbug Valley Comment
  UC1070639  Ceanothus fresnensis E. Nourse 1934-8-1 4 Plumas 3 mi n and 1 mi w Silver Creek; Bidwell Bar quad., Plumas National Forest 1554 Comment
  CAS-BOT-BC50730  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1585 Plumas Butterfly Botanical Area and Vicinity - Fern Glen 1112 Comment
  CAS-BOT-BC50735  Ceanothus integerrimus John Thomas Howell 1976-7-16 51877 Plumas Sierra Nevada - Spanish Creek near mouth of Slate Creek 1066 Comment
  SBBG32358  Ceanothus integerrimus L. S. Rose 1967-7-10 Plumas Butterfly Valley, 3 mi W of Keddie 1097 Comment
  SDSU10325  Ceanothus integerrimus D. F. Howe 1960-8-20 2985 Plumas Norht fork of Feather River, 41 miles from Oroville. 610 Comment
  UC963886  Ceanothus integerrimus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on Yellow Creek Feather River Canyon (Beldon) Comment
  JEPS48728  Ceanothus integerrimus John W. Duffield 1937-6-9 Plumas rd to Quincy 1097 Comment
  RSA60217  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-6 15691 Plumas 0.6 miles W of Spring Garden, betw Quincy and Portola, Hwy 24. 1220 Comment
  CAS-BOT-BC63362  Ceanothus prostratus Elizabeth McClintock 1968-5-18 s.n. Plumas E. of Frenchman Reservoir, n. of Cholcoot. 1706 Comment
  CAS-BOT-BC63366  Ceanothus prostratus Alice Eastwood 1927-6-11 14483 Plumas Forest Lodge. Greenville. United States Forest Reserve. Comment
  CHSC79202  Ceanothus prostratus L. P. Janeway 2000-6-24 6832 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  SBBG33989  Ceanothus prostratus var. prostratus L. S. Rose 1969-6-24 Plumas 5 mi W of Keddie, Butterfly Valley 1036 Comment
  CAS-BOT-BC52164  Ceanothus pumilus Walter Knight; Irja Knight 1969-6-25 2420 Plumas Summit of Red Hill 1934 Comment
  CHSC53215  Ceanothus velutinus var. velutinus L. P. Janeway 1989-6-15 3324 Plumas Plumas National Forest. Beckwourth Ranger District. NE-facing slopes on flank of Crocker Mtn above Red Clover Valley. 1722 Comment
  CAS-BOT-BC277217  Centaurea solstitialis John Thomas Howell 1959-9-24 34906 Plumas Crescent Mills 1066 Comment
  CAS-BOT-BC384936  Cerastium arvense John Thomas Howell; Gordon H. True 1967-5-9 42211 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC384937  Cerastium arvense Ella Dales Cantelow 1940-5-12 3447 Plumas 2 1/2 mi. s.w. of Belden Comment
  HSC4092  Cerastium arvense Jim Vaughn 1956-8-1 Plumas Mt. Lassen NP, Drakesbad 1738 Comment
  JEPS126475  Cercocarpus ledifolius var. intermontanus Jillian Pastick, Lillie Pennington, Andrea Stuemsky 2015-8-13 CA 350 -059 Plumas 395 S to Hallelujah junction, left turn to Loyalton, left at Antelope Valley Road, take road ~20 mi., turn left at unnamed road, drive up mountain. Comment
  CAS-BOT-BC143856  Cercocarpus ledifolius var. ledifolius Clare B. Hardham 1978-8-11 21794 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC143857  Cercocarpus ledifolius var. ledifolius John Thomas Howell; Gordon H. True 1973-7-31 50067 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC52952  Cercocarpus ledifolius var. ledifolius L. P. Janeway 1989-6-20 3360 Plumas Plumas National Forest. East-facing flank of Crocker Mtn overlooking Red Clover Valley. Small ridge near small know. 1965 Comment
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May 16 2008
  UC1127904  Cercocarpus ledifolius var. ledifolius R. Roseberry 1934-11-21 18 Plumas 1/2 mi nw of Beckwith Butte 1828 Comment
  UCD130278  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  CAS-BOT-BC276729  Chaenactis douglasii var. douglasii L. P. Janeway 1991-8-4 4133 Plumas Along Beckwourth-to-Laufman Road (near district boundary) on the W side of Dixie Creek 1676 Comment
  JEPS104113  Chamaesaracha nana Lowell Ahart 2003-9-7 10559 Plumas On the e side of the dirt road, ca 50 yd n of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  SJSU14237  Chamaesaracha nana N. A. Hopkins 1989-6-7 1514 Plumas SW corner Clover Valley by Dixon Valley Squaw Valley Rd 1645 Comment
  UCD147800  Chamerion angustifolium subsp. circumvagum Allyson Ayalon; Lucie Jerabkova 2012-8-1 153 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC70201  Cheilanthes gracillima Mrs. Jos Clemens 1919-10-24 s.n. Plumas Greenville Comment
  CHSC92140  Cheilanthes gracillima Lowell Ahart; John Dittes 2005-9-19 12374 Plumas On south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  SEINET10537356  Chenopodium Mary Susan Taylor 1982-8-27 Taylor 5073 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
  RSA88569  Chenopodium berlandieri var. zschackei J. T. Howell 1951-8-19 28179 Plumas Greenville. 1098 Comment
  JEPS108996  Chenopodium 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
  RSA718514  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CAS-BOT-BC451427  Chimaphila menziesii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1605 Plumas Butterfly Botanical Area and vicinity: Fern Glen 1097 Comment
  CHSC2461  Chimaphila menziesii R. Carter 1965-7-6 273 Plumas Found at Buckeye Water Hole, 8.55 mi. N of Mountain House on Oroville-Quincy Rd., on E side of road ca. 20' from end of the pipe at base of Pinus ponderosa. 1280 Comment
  CHSC21803  Chimaphila umbellata F. T. Griggs; A. Pass 1975-8-1 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC88606  Chimaphila umbellata Linnea Hanson 1987-7-8 118 Plumas Plumas National Forest. Graeagle Creek. 1341 Comment
  CHSC23623  Chrysanthemum coronarium K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  SEINET10475116  Chrysanthemum leucanthemum var. pinnatifidum Mary Susan Taylor 1982-6-24 Taylor 4753 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  JEPS58684  Chrysolepis sempervirens W. L. Jepson 1924-7-18 10603 Plumas Soapstone Hill 1615 Comment
  UC1135223  Chrysolepis sempervirens G. T. Nordstrom 1934-7-3 185 Plumas 1.25 mi sw Mt. Ararat; Plumas National Forest 1645 Comment
  RSA59447  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-2 15662 Plumas Mt. Ingalls, south slope below turn-off to Nye Meadow, north of Grizzly Valley 2134 Comment
  RSA59904  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-14 15819 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  RSA60214  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-6 15689 Plumas 1.9 miles NW of Spring Garden, Hwy. 24, east of Quincy 1220 Comment
  CAS-BOT-BC308934  Chrysothamnus viscidiflorus Greg Sommers 1976-8-4 216 Plumas Sierra Valley Marsh - Sierra Nevada 1524 Comment
  JEPS21428  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1939-8-10 19370 Plumas hills at Blairsden Comment
  CHSC44555  Cinna latifolia Lowell Ahart 1977-7-26 1498 Plumas Along the edges of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC190011  Cinna latifolia John Thomas Howell 1960-7-22 35925 Plumas Lassen Volcanic National Park. Along brook near Devil's Kitchen near Drakesbad. 1828 Comment
  SEINET10938130  Cirsium Mary Susan Taylor 1982-8-9 Taylor 4957 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  CDA13368  Cirsium andersonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13217 Plumas Sierra Nevada; at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  CDA1030  Cirsium andersonii T. C. Fuller 1959-7-6 2768 Plumas E shore Lake Almanor, 1 mi. N of Canyondam. 0 Comment
  SEINET7451057 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  CHSC93151  Cirsium arvense L. P. Janeway 1994-8-12 4729 Plumas Northern High Sierra Nevada. Banks of West Branch Lights Creek at crossing of Road 28N30, about 1.2 mi from Lights Creek. 1402 Comment
  CAS-BOT-BC278022  Cirsium cymosum A. A. Heller; P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith [Beckworth/Beckwourth] and Red Clover valley Comment
  SEINET13351414 Image available Cirsium ochrocentrum T. C. Fuller Unknown s.n. Plumas unknown Comment
  CDA1515  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1962-9-27 9665 Plumas Sierra Valley; W of Loyalton-Vinton Hwy (Hwy 49), 7.3 mi S of Vinton, just N of Sierra Co. line. Comment
  CHSC99812  Cirsium scariosum Lowell Ahart 2008-7-16 15105 Plumas Open forest floor, on the east side of a small meadow (swamp), about 10 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS113608  Cirsium scariosum Lowell Ahart, John Dittes 2007-6-16 14117 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SD50703  Cirsium vulgare Darley F. Howe 1959-8-2 2781 Plumas Quincy 1064 Comment
  UC570210  Clarkia lassenensis E. Sawyer 1935-6-5 71 Plumas 3 1/4 mi se Beckwith Butte; Sierraville Quadrangle 1584 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
  UCD104798  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas Hartman Bar Ridge. Slope N of Road 22N94, on south side of Franklin Hill. 1706 Comment
  CAS-BOT-BC163272  Clarkia mildrediae subsp. mildrediae Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  RSA0059904  Clarkia mildrediae subsp. mildrediae J. T. Howell 1951-6-29 27754 Plumas Feather River Canyon 549 Comment
  SEINET10837680  Clarkia purpurea Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7049 Plumas Yellow pine and douglas fir in plumas ntl forest off hwy 70. 1067 Comment
  CAS-BOT-BC164924  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC83648  Clarkia rhomboidea L. P. Janeway 2001-6-28 7238 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
  UC1586083  Clarkia stellata Barbara Ertter with Gary Schoolcraft 1989-7-3 8638 Plumas ca. 10 airmiles s. Susanville (rd. to Lone Rock & Red Rock on s. side of Diamond Mt., neaar Morton Creek crossing); Diamond Mt. 1828 Comment
  RSA0059947  Clarkia stellata L. P. Janeway 1995-7-11 4851 Plumas High Sierra Nevada. Along west side of Road 24N12 (road to Smith Peak) 1.8 miles northwest of Highway 70; about 4 miles west of Portola 1555 Comment
  SEINET10863162  Claytonia lanceolata Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3837 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  SEINET5336343  Claytonia lanceolata L. Miller 1929-5-12 2188 Plumas 15 mi W Portola, California Comment
  JEPS43383  Claytonia palustris W. L. Jepson 1927-6-23 12320 Plumas some mi w Morgan Springs Comment
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Jul 10 2009
  UCD69665  Claytonia perfoliata Ernie Bell 1982-5-23 27 Plumas Southwest end of Snake Lake, approximately 10 miles southwest of Quincy. 1219 Comment
  SFV11277  Claytonia perfoliata subsp. mexicana M. L. Vincent 1964-4-8 519 Plumas Sierra Nevada Near North Fork Bridge 9-02. 580 Comment
  SDSU9783  Claytonia rubra subsp. rubra R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, Calif. 1383 Comment
  UC1136729  Claytonia rubra subsp. rubra D. Axelrod 1934-6-4 3 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  JEPS87717  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow) 1097 Comment
  RSA0117245  Collinsia parviflora L. Ahart, John Dittes 2007-6-16 14126 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UCSB27406  Collinsia parviflora Kunze, G. 1971-6-6 Plumas California 89; 5 miles south of Canyon Dam 1005 Comment
  CHSC21191  Collinsia torreyi F. T. Griggs; A. Pass 1975-7-10 148 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS103358  Collinsia torreyi var. torreyi Lowell Ahart 2002-6-26 9769 Plumas On the E side of the poor road, ca 1 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1760 Comment
  CHSC63274  Collinsia torreyi var. wrightii Lowell Ahart 1994-6-15 7326 Plumas On the west side of a loggind road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grassy Valley Reservoir. 1767 Comment
  CHSC112561  Collomia grandiflora B. Castro; L. P. Janeway 2007-6-23 1650 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 30 ft SW of the channel, 500 to 550 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  CHSC44311  Collomia grandiflora Lowell Ahart 1979-7-18 1991 Plumas Along Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CHSC62366  Collomia grandiflora B. Castro; R. Fallscheer 1990-7-24 434 Plumas Ca 1 mi S of Bucks Lake, on cutbank at jcn Oro-Quincy Hwy and USFS Rd 24N36, on N side of latter rd. 1569 Comment
  JEPS70998  Collomia grandiflora W. L. Jepson 1939-8-8 19353 Plumas Meadow Valley 1158 Comment
  RSA184930  Collomia grandiflora L. S. Rose 1966-7-27 66052 Plumas Quincy Comment
  JEPS28614  Collomia grandiflora George W. Gillett 1957-7-17 799 Plumas moist gully running into stream flowing from :Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  JEPS28621  Collomia grandiflora George W. Gillett 1957-7-18 807 Plumas moist soil near trail on ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  JEPS96114  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-7-15 8036 Plumas E. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground, at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range, , Last Chance Marsh 1371 Comment
  CHSC73812  Comarum palustre B. Castro; L. P. Janeway 1998-8-29 833 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake, opposite floating bog. 1659 Comment
  RSA101457  Corallorhiza maculata R. Weatherby 1955-7-2 1581 Plumas Fir woods above Wilcox Valley 1921 Comment
  SEINET12076133  Corallorhiza maculata Unknown 1965-1 249 Plumas E side of Oroville-Quincy Rd, 3.05 mi N of Buckeye Water Hole, ca 10 ft from road 1219 Comment
  UC1075743  Corallorhiza maculata Robert J. Weatherby 1955-7-4 1594 Plumas across creek 1/2 mi below Deane Valley (near Meadow Valley); Rock Creek 1341 Comment
  CHSC42097  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1986-7-25 5377 Plumas About 1 1/2 miles west of Swamill Flat, about 4 1/2 miles west of Finger Board, about 7 miles north-west of Pilot Peak. 1767 Comment
  RSA184924  Cordylanthus tenuis subsp. tenuis L. S. Rose 1966-7-26 66047 Plumas Butterfly Valley. 3 miles west of Keddie. 1067 Comment
  RSA755683  Cordylanthus tenuis subsp. tenuis L. Ahart, John Dittes 2009-7-15 16089 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  SEINET10832350  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-8-25 Taylor 4240 Plumas California: T25N R7E se1/4 of se1/4 sec 3. Almanor SW quad. Serpentine knoll, just off spur road off Red Hill Road (26N22F), ca. 1 air mi NE of the Lookout, ca. 5 air mi NE of Belden. Plumas County. 5800 ft. 1768 Comment
  CAS-BOT-BC210309  Cornus sericea Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  NY214534  Corydalis caseana J. G. Lemmon s.n. Plumas Cold springs and streams from Sierra Valley to Big Meadows 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
  POM106659  Corylus cornuta var. californica Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  SD8505  Crataegus gaylussacia Daniel Cleveland July 1882 Plumas Big Spring Big Meadow Comment
  UC566960  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 mi se Crow; Sierraville Quadrangle 1981 Comment
  CHSC118719  Crepis acuminata Wendy L. Boes; Jim Battagin 2015-5-12 2015007 H 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
  POM356323  Crepis acuminata P. A. Munz, Lee W. Lenz 1948-8-12 12339 Plumas Forest Lodge, Greenville 1128 Comment
  CHSC97153  Crepis intermedia Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC346537  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-23 181 Plumas along hwy about 2 or 3 mi e Meadow Valley (en route to Quincy) Comment
  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
  CAS-BOT-BC290781  Crepis occidentalis subsp. occidentalis Lowell Ahart 1983-8-17 4333 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., about 11 miles north-east of La Porte 2000 Comment
  CAS-BOT-BC290785  Crepis occidentalis subsp. occidentalis Alice Eastwood 1927-6-27 14905 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  RSA71315  Crepis occidentalis subsp. pumila L. S. Rose 1951-6-27 51047 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  CAS-BOT-BC290853  Crepis pleurocarpa Anna Head 1921-8-18 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CDA18583  Crepis pleurocarpa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3290 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  JEPS118621  Crepis pleurocarpa B. Castro, L. P. Janeway 2001-7-22 1351 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In rocky open areas up from road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  UCD107439  Crepis pleurocarpa Tim Kuhn 2006-7-8 17 Plumas Southwest of Lake Davis. Comment
  RSA59690  Crepis pleurocarpa E. K. Balls 1950-9-9 15759 Plumas West of Lakes Center Public Campground, ca. 1 mile along trail to outlet Long Lake 2073 Comment
  CAS-BOT-BC494117  Crypsis alopecuroides W. Harnach; N. Harnach 2000-8-2 965 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC190152  Crypsis vaginiflora John Thomas Howell 1959-9-21 34814 Plumas Sierra Nevada. Indian Creek. Just below Indian Falls. 914 Comment
  CDA18461  Cryptantha affinis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3209 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  RSA755439  Cryptantha affinis L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15858 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  CHSC53150  Cryptantha torreyana L. P. Janeway 1989-6-20 3341 Plumas Plumas National Forest. Southwest side of Red Clover Valley. 1691 Comment
  CHSC84941  Cryptantha torreyana Lowell Ahart 2003-10-26 10683 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  CHSC96850  Cryptantha torreyana Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14047 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS115225  Cryptantha torreyana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16149 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
  SEINET12565110  Cryptantha torreyana W. Harnach, N. Harnach 1990-6-19 401 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1615 Comment
  SD211566  Cryptantha torreyana Barbara Ertter 1988-7-25 7846 Plumas Diamond Mountains circa 12 airmiles South-Southwest of Susanville, Snoring Springs 1/2 mile North of Diamond Mount-Greenville-Red Rock junction. 1981 Comment
  SEINET12565130  Cryptantha torreyana A. A. Heller, P. B. Kennedy 1907-7-4 8718 Plumas Ridge E of Red Clover valley. Comment
  CHSC92147  Cryptogramma acrostichoides Lowell Ahart; John Dittes 2005-9-19 12373 Plumas Large rock outcrop, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS107685  Cryptogramma acrostichoides Lowell Ahart, John Dittes 2005-9-19 12373 Plumas Large rock outcrop, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UC123027  Cryptogramma acrostichoides Mrs. R. M. Austin 1879-1 Plumas Mt Dyer Comment
  SEINET3863350  Cupressus bakeri M. S. Taylor, M. Foster 1981-8-13 4175 Plumas Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse.; 0 1981 Comment
  RSA201283A  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  CHSC61044  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1993-8-3 5762 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. 1950 Comment
  UC1563275  Cuscuta subinclusa unknown 1990-9-19 6597 Plumas about 3 mi nw Pilot Peak (about 0.5 mi s of Cleghorn Bar, along the n side of Bird Creek); Bird Creek 1737 Comment
  CHSC72446  Cusickiella douglasii L. P. Janeway 1998-6-2 5618 Plumas North side of Last Chance Creek; above Road 101, 0.7 mi west of Bird Creek. 1798 Comment
  SEINET12282870  Cycladenia humilis J. G. Lemmon 6 s.n. Plumas Peaks of Plumas Co Comment
  UC1586428  Cycladenia humilis var. humilis Vernon H. Oswald and Lowell Ahart 1991-6-18 4686 Plumas 4 air mi n of Greenville (Forest Road 28N38 3.4 mi ene of its junction w County Road 201 (Old Haun Road)); Forest Road 28N38 Comment
  UC405211  Cycladenia humilis var. humilis J. G. Lemmon July, 1872 Plumas trail between Indian Valley and Mountain Meadow Comment
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Jun 15 2012
  CHSC65614  Cymopterus terebinthinus var. californicus L. P. Janeway 1995-7-23 4866 Plumas Hartman Bar Ridge; south side of top of Franklin Hill. 1737 Comment
  SEINET10497517  Cynoglossum occidentale Mary Susan Taylor 1982-6-2 Taylor 4591 Plumas T23N R12E se/se sec 19. Johnsville quad. W side of spur rd, 0.3 mi n of its jct to 23N49, ca. 0.5 air mi se of Jackson Campround, ca. 5 air mi n of Mohawk. 5000 ft. 1524 Comment
  CAS-BOT-BC114546  Cyperus eragrostis John Thomas Howell 1959-9-21 34795 Plumas Virgilia. 841 Comment
  CAS-BOT-BC114133  Cyperus squarrosus Thomas H. Kearney 1944-8-14 15 Plumas Near Prattville, Lake Almanor. Comment
  CHSC59832  Cyperus squarrosus L. P. Janeway 1992-9-10 4306 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CHSC81167  Cyperus squarrosus Lowell Ahart 2001-8-29 9249 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC114130  Cyperus squarrosus John Thomas Howell 1959-9-21 34753 Plumas Sand bars of N Fk Feather River near Belden. 701 Comment
  JEPS113934  Cyperus squarrosus W. and N. Harnach 2000-8-2 969 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
  CHSC35916  Cypripedium californicum M. S. Taylor 1982-6-14 4668 Plumas In seep n side and above Caribou Rd, 1.8 mi ne of Qu ... Field redacted by CHSC, contact the data manager for more information 853 Comment
  SD7401  Cypripedium californicum Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SD7402  Cypripedium montanum Mrs. R. M. Austin 1880-1 Plumas No further locality information given on label on specimen sheet. Comment
  CAS-BOT-BC70679  Cystopteris fragilis Donald L. Branscomb 1958-7-1 s.n. Plumas Johnsville Comment
  CHSC89308  Damasonium californicum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16324 Plumas Northern Sierra Nevada. Farm pond few mi. E of Portola along Hwy 70, immed. adjacent to Hwy. 1554 Comment
  UCD61021  Danthonia californica var. americana G. L. Stebbins Jr. 1939-7-6 2895 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC192345  Danthonia unispicata A. A. Heller; P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC194330  Danthonia unispicata L. W. Swift 1930-7-6 33 Plumas Humphrys, McDermott Allot, Milford D., Plumas Forest 1828 Comment
  POM180942  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
  CHSC12669  Darlingtonia californica K. R. Stern 1974-5-11 Plumas Very abundant in Butterfly Valley, ca. 6 mi w of Q ... Field redacted by CHSC, contact the data manager for more information 1170 Comment
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May 26 2010
  SBBG30523  Darlingtonia californica D. Myrick 1968-6-18 1933 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  SBBG33128  Darlingtonia californica K. K. Muller 1963-8-17 1245 Plumas rd to Butterfly Valley, off St Hwy 89, 7 mi N of Quincy Comment
  UC1127098  Darlingtonia californica Tom Aitkin Oct. 1938 Plumas near Keddie; Downieville Quadrangle, Butterfly Valley Comment
  UC1127099  Darlingtonia californica A. E. Wieslander 1927-7-7 8 Plumas Feather River Experiment Station Downieville Quadrangle 1066 Comment
  SEINET12007452  Darlingtonia californica C. C. Parry, Lemmon, J. G. 1876-1 s.n. Plumas Butterfly Valley, N. E. Cal Comment
  CAS-BOT-BC420647  Darmera peltata Mary Strong Clemens 1930-6-21 s.n. Plumas Quincy Comment
  CAS-BOT-BC420650  Darmera peltata John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2360 Plumas Butterfly Botanical Area. Growing on rocks in Butterfly Creek at confluence of Spanish Creek.. 1036 Comment
  UC699735  Delphinium Farris Farris 1936-7-19 Plumas road to Mount Lassen 1828 Comment
  CAS-BOT-BC8914  Delphinium depauperatum Anna Head 1920-7-1 s.n. Plumas Near Gold Lake, Feather River Region 1981 Comment
  CDA15893  Delphinium gracilentum G. F. Hrusa, B. Smith 1996-7-16 13232 a Plumas Plumas National Forest; Dry forest understory about headwaters of Bull Run Creek off USFS 23N12E. Forest dominated by Pinus jeffreyi, Abies concolor. Comment
  CAS-BOT-BC9852  Delphinium nudicaule A. A. Heller 1913-6-13 10836 Plumas Near Marston Station 1066 Comment
  CHSC61237  Delphinium nudicaule K. B. McShea 1992-4-20 15 Plumas CA 2 mi s of Jct of Hwy 89 and Hwy 70, 1.5 mi e on Soda Creek, 13.5 mi se of Quincy. 792 Comment
  UC118646  Delphinium nudicaule Mrs. R. M. Austin 1880-1 Plumas Indian Valley Comment
  SEINET7720713  Delphinium nudicaule Unknown Plumas Indian Valley Comment
  CDA14000  Delphinium nuttallianum G. F. Hrusa, T. D. Wilfred 1997-6-26 13917 Plumas Sierra Nevada; Seasonally moist, now +- dry, flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Occasional in mostly open sites, flowers dark purple. Root attachment narrow. 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
  RSA232646  Delphinium nuttallianum Larry E. DeBuhr, Gary D. Wallace 1972-5-21 588 Plumas Plumas National Forest, Butterfly Valley, 1 mile SW of Keddie, along forest road 25N12 at jct with Blackhawk Creek. Comment
  SBBG25600  Delphinium nuttallianum C. B. Hardham 1961-6-16 7474 Plumas Diamond Peak [Diamond Mountain] Comment
  CAS-BOT-BC116098  Delphinium nuttallianum D. E. Breedlove 1962-6-12 3440 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC116109  Delphinium nuttallianum Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy grade Comment
  CHSC114916  Delphinium nuttallianum G. Douglas Barbe; T. C. Fuller 1982-7-16 3778 Plumas Sierra Nevada. Lava cap ridge1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 miles south of reen Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC122000  Delphinium variegatum Gladys L. Smith 1976-6-7 4598 Plumas Secondary road between Rte 70 and La Porte. 1950 Comment
  POM147074  Dendromecon rigida Alice Eastwood 1927-6-27 14917 Plumas United States Forest Reserve Comment
  RSA59663  Deschampsia cespitosa E. K. Balls 1950-9-9 15730 Plumas West of Lakes Center Public Campgound. 2043 Comment
  UC790916  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas w. side Lake Almanor Comment
  CAS-BOT-BC192436  Deschampsia cespitosa subsp. cespitosa W. Harnach; N. Harnach 1991-6-21 564 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  CAS-BOT-BC192437  Deschampsia cespitosa subsp. cespitosa A. A. Heller; P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  UCSB70492  Deschampsia cespitosa subsp. cespitosa Ahart, Lowell; Dittes, John; Guardino, Josephine 2009-7-29 Plumas South side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CDA19262  Deschampsia danthonioides G. D. Barbe, T. C. Fuller 1982-6-17 3848 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  HSC8598  Deschampsia danthonioides L. S. Rose 1968-6-10 68083 Plumas Quincy Meadow 1037 Comment
  SEINET10900456  Deschampsia danthonioides Alan A. Beetle 1941-6-28 Beetle 2767 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Crepis, Sanicula tuberosa, Phacelia. 1829 Comment
  SEINET10508570  Deschampsia elongata Lowell Ahart 1985-7-3 Ahart 5100 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC43033  Descurainia incisa subsp. incisa John Thomas Howell 1951-6-27 27576 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CHSC96994  Descurainia pinnata subsp. intermedia L. P. Janeway; B. Castro 2007-6-7 9033 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek. 1672 Comment
  CHSC21119  Dicentra formosa F. T. Griggs; A. Pass 1975-7-2 34 Plumas East of road. Comment
  CAS-BOT-BC402458  Dicentra formosa subsp. formosa Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CHSC111843  Dicentra pauciflora L. P. Janeway 2014-5-7 11242 Plumas Northern High Sierra Nevada. Plumas National Forest; east edge of Granite Basin; just above Buckhorn Creek, just up from the 18 Road (23N18) crossing; 2.4 air-km southwest of top of Red Mountain. 1610 Comment
  CHSC63259  Dicentra pauciflora Lowell Ahart 1994-6-12 7318 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, southwest of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  CHSC641  Dicentra pauciflora R. Carter 1964-7-4 141 Plumas Ca. .35 mi. from Butte Co. line, 1/2 mi. N of Green Is. Lake along W side of Calif. Riding and Hiking Trail. 1828 Comment
  JEPS87573  Dicentra pauciflora Lowell Ahart 1994-6-29 7416 Plumas about 0.5 mi s Bucks Lake (on poor logging road) 1828 Comment
  CHSC41423  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  SEINET10839078  Dicentra uniflora Lowell Ahart, Peter Ahart 1983-6-28 Ahart 4169 Plumas On the high banks of the South Fork of the Feather River, a little sw of the Feather Frok Mine, ca. 1.5 mi ne of Little Grass Valley Reserv., ca. 5.5 mi n of La Porte. Red Fir Forest. 1750 Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  UC1133989  Dichelostemma multiflorum G. T. Nordstrom 1934-7-3 178 Plumas 0.75 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 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
  CHSC9722  Diplacus grandiflorus Nancy Mosman 1971-7-11 90 Plumas Along e side of Hwy 70 ca. 1.7 mi s of Belden. 1025 Comment
  CHSC21105  Diplacus layneae F. T. Griggs; A. Pass 1975-7-1 3 Plumas East of Grizzly Creek. Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC151856  Diplacus mephiticus Alice Eastwood 1927-6-27 14887 Plumas In woods on road from Chilcoot Comment
  CAS-BOT-BC151857  Diplacus mephiticus Alice Eastwood 1927-6-1 14592 Plumas On trail to Long Valley, United States Forest Reserve Comment
  CAS-BOT-BC153951  Diplacus pygmaeus Wayne Dakan 1978-5-24 s.n. Plumas Ca. 1/2 mile west of north edge of Almanor (probably near Hwy 89) 1389 Comment
  CDA20149  Disporum hookeri B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 1207 Comment
  CAS-BOT-BC136104  Dodecatheon alpinum Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Johnsville 2270 Comment
  CHSC81109  Downingia bacigalupii Lowell Ahart 2001-8-29 9225 Plumas On the bottom of Little Last Chance Creek, about 1 1/2 miles (air) northeast of Meadow View Station, about 5 miles (air) north of Frenchman Lake. 1767 Comment
  UC167995  Downingia bacigalupii Mrs. R. M. Austin 1880-1 Plumas Big Meadows 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-BC41397  Draba verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather Rivers south side, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  CHSC60528  Draba verna var. aestivalis L. P. Janeway 1992-4-2 4145 Plumas Plumas National Forest. 1 1/4 mi northeast of Middle Fork Feather River (and Sloat), 1/4 mi northeast of Hwy 70/89, 1/2 mi east of Rattlesnake Creek. 1706 Comment
  CHSC60529  Draba verna var. aestivalis L. P. Janeway 1992-4-2 4148 Plumas Plumas National Forest. West side of Claireville Flat; 1/3 mi southeast of Hwy 70 and 3/4 mi northwest of Middle Fork Feather River. Meadow. 1484 Comment
  CHSC75504  Draperia systyla G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3168 Plumas Dry shale road bank above Dark Ravine Creek, 2.7 miles south of Dixie Canyon-Round Valley Road. 1524 Comment
  UC1124248  Draperia systyla F. W. Embree 1934-6-6 72 Plumas South slope of Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UCD105968  Draperia systyla Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 320 Comment
  CHSC21186  Drosera rotundifolia F. T. Griggs; A. Pass 1975-7-16 183 Plumas N. shore of Lower Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  UC1127100  Drosera rotundifolia Beryl O. Schreiber 1938-7-10 2532 Plumas near Meadow Valley (stagnant pond); Plumas National Forest, Bidwell Bar Quadrangle, Grubstake Fl 1066 Comment
  UC170942  Drosera rotundifolia H. M. Hall 1912-6-26 9277 Plumas Butterfly Valley Sierra Nevada Mountains 1097 Comment
  UC511310  Drymocallis Lyman Benson 1932-7-29 3988 Plumas Buck Lake Sierra Nevada, , Buck Lake (Feather River) 2133 Comment
  CAS-BOT-BC143429  Drymocallis lactea var. lactea Clare B. Hardham 1978-8-11 21772 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC159311  Drymocallis lactea var. lactea Alice Eastwood 1918-5-25 6985 Plumas Portola Comment
  SEINET7583310 Image available Dulichium arundinaceum Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest, Snake Lake c 4 miles NW of Quincy. 1219 Comment
  JEPS122327  Dysphania botrys Lowell Ahart 2014-9-9 19839 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS122311  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CDA1989  Echinochloa muricata var. microstachya G. D. Barbe, T. C. Fuller 1972-9-13 983 Plumas South of Spanish Creek, 0.2 miles N of county courthouse on State Hwy 70, Quincy. 0 Comment
  CHSC81115  Elatine chilensis Lowell Ahart 2001-8-29 9232 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS115518  Elatine chilensis Lowell Ahart, John Dittes 2009-9-7 16384 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC40658  Eleocharis acicularis Lowell Ahart 1985-9-26 5185 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
  JEPS102721  Eleocharis acicularis Lowell Ahart 2001-10-8 9322 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) NE of Quincy. 1522 Comment
  RSA170165  Eleocharis acicularis var. acicularis W. L. Jepson 1927-6-23 12312 Plumas Small pond towards lower end of Warner Creek valley 1585 Comment
  CAS-BOT-BC113541  Eleocharis bella E. K. Balls 1950-8-31 15548 Plumas Spanish creek off Hwy 24, just N of Quincy. 1066 Comment
  CHSC40659  Eleocharis bella Lowell Ahart 1985-9-26 5186 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
  CHSC100315  Eleocharis engelmannii Lowell Ahart 2008-7-9 15068 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
  SEINET9084151  Eleocharis parishii L. Ahart 1997-9-11 7899 Plumas On the W edge of Caribou Road, on the W side of the North Fork of the Feather River, ca 1.8 mile S of mosquito Creek, ca 5 air miles NE of Belden. 792 Comment
  JEPS104614  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, ca 150 yd south of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1752 Comment
  CAS-BOT-BC451530  Elodea canadensis M. S. Taylor; H. Swanson 1982-8-11 4977 Plumas Plumas Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 1712 Comment
  RSA550619  Elodea nuttallii G. Sommers 1976-6-29 135 Plumas Sierra Valley Marsh, from channel crossed by metal bridge on Dyson Lane. 1524 Comment
  CHSC24280  Elymus elymoides subsp. elymoides K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  UC1024734  Elymus elymoides subsp. elymoides Leo Whitney 1934-8-12 3047 Plumas The Cate Place Plumas National Forest, Big Grizzley Valley (ca 10 mi w of Portola) 1828 Comment
  RSA299153  Elymus glaucus J. T. Howell 1975-7-22 51373 Plumas 2 miles northwest of Spring Garden 1174 Comment
  RSA71075  Elymus glaucus L. S. Rose 1951-6-27 51024 Plumas Johnsville. 1601 Comment
  SBBG32359  Elymus glaucus L. S. Rose 1968-6-10 68089 Plumas Quincy 1036 Comment
  UC943025  Elymus glaucus Lewis S. Rose 1951-6-28 51024 Plumas Johnsville 1600 Comment
  CAS-BOT-BC206519  Elymus glaucus subsp. glaucus John Thomas Howell 1962-6-17 37688 Plumas Butterfly Valley - Sierra Nevada 1036 Comment
  CAS-BOT-BC228658  Elymus multisetus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1642 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir 1097 Comment
  UCD62665  Elymus trachycaulus R. Tofsrud 1949-6-1 Plumas Vicinity of Quincy. Comment
  CHSC36852  Elytrigia intermedia subsp. barbulata M. S. Taylor 1982-6-28 4761 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures; ca. 1 mi w of Beckwourth, s of Hwy 70. 1487 Comment
  JEPS101226  Elytrigia intermedia subsp. barbulata Dean W. Taylor 2000-8-12 17580 Plumas Antelope Lake; Pioneer Cabin 1524 Comment
  CHSC92191  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2005-9-20 12459 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  CHSC92827  Elytrigia intermedia subsp. intermedia Lowell Ahart; Josephine Guardino 2005-8-10 12310 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC95336  Elytrigia intermedia subsp. intermedia Samantha Mackey Hillaire 2006-9-13 1232 Plumas Sierra Nevada. East of Grizzly Forebay along road 24N49. North side of road where it crosses unnamed tributary of Grizzly Creek. 1344 Comment
  CAS-BOT-BC165924  Epilobium John Thomas Howell; H. Keith Wagnon 1980-5-26 53600 Plumas Near Rich Bar, East Branch of Feather River North Fork 762 Comment
  CDA14013  Epilobium brachycarpum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13500 Plumas Sierra Nevada; N side of USFS 23N12, approx. 3/4 mile W of Bull Run Creek crossing. Comment
  CHSC33731  Epilobium brachycarpum M. S. Taylor 1981-7-13 3994 Plumas Frenchman Lake Canyon, 0.5 mi s of the dam, ca. 11 mi n of Chilcoot on Hwy 70. 1706 Comment
  JEPS104632  Epilobium brachycarpum Lowell Ahart 2003-8-8 10481 Plumas On the w side of Beckwouth Calpine Rd, ca 50 yd n of the Western Pacific Railroad, ca 1/2 mi (air) sw of Beckwourth, Sierra Valley. 1478 Comment
  JEPS114516  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  RSA252404  Epilobium brachycarpum Robert F. Thorne, C. W. Tilforth 1969-9-6 39230 Plumas S of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  UCD105282  Epilobium brachycarpum F. H. Bolster 1912-9-1 65 Plumas Tobin, Feather River Canyon. 381 Comment
  CAS-BOT-BC171706  Epilobium canum subsp. latifolium M. S. Taylor 1981-9-14 4277 Plumas N side of spur rd through center of Dark Ravine, ca. 1/4 mi n of Rush Creek, ca. 5 air mi ese of Greenville 1584 Comment
  CAS-BOT-BC171707  Epilobium canum subsp. latifolium Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC64119  Epilobium canum subsp. latifolium B. Castro; R. A. Schlising 1987-7-21 172 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  RSA59186  Epilobium canum subsp. latifolium E. K. Balls, R. Weatherby 1950-9-1 15612 Plumas East of Long Lake, cliffs above meadow sloping down to two smaller lakes. 2134 Comment
  RSA87538  Epilobium canum subsp. latifolium Arthur R. Kruckeberg 1951-9-2 2898 Plumas Below summit of Lakes Basin Road Comment
  CHSC24272  Epilobium ciliatum subsp. ciliatum K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC40591  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1985-9-26 5184 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
  JEPS102795  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-9-18 9285 Plumas Near the edge of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  JEPS122092  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  RSA59922  Epilobium ciliatum subsp. ciliatum E. K. Balls 1950-9-15 15837 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CDA13561  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, T. D. Wilfred 1996-7-22 13389 Plumas Sierra Nevada; Plumas Natl. Forest. Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC65343  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1995-10-1 7650 Plumas On the bottom of a pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  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
  JEPS112917  Epilobium ciliatum subsp. glandulosum Dean W. Taylor 2001-8-1 17865 Plumas tributary to Hopkins Creek draining from Blue Nose Mountain. along Forest Road 23N10 near the junction with Forest Road 23N43Y 1493 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
  POM262915  Epilobium ciliatum subsp. glandulosum Herbert McLean Evans 1922-07 s.n. Plumas Willow Lake. Mt. Lassen National Park. Comment
  SJSU15150  Epilobium cleistogamum N. A. Hopkins 1993-7-23 1734 Plumas Marble Hot Springs Rd 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
  SBBG121213  Epilobium densiflorum L. Ahart 2007-7-20 14352 Plumas strand of Lake Davis ca. 100 yards SE of Long Point, NE side of Lake Davis 1763 Comment
  CHSC59184  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1992-9-15 5213 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  CAS-BOT-BC57897  Equisetum X ferrissii John Thomas Howell; Gordon H. True 1967-7-9 43250 Plumas North Fork of Feather River 3 mi. sw. of Caribou. 853 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  CAS-BOT-BC57003  Equisetum arvense John Thomas Howell; Gordon H. True 1967-7-9 43257 Plumas North Fork of Feather River 4.3 miles southwest of Caribou 792 Comment
  CHSC33932  Equisetum hyemale subsp. affine M. S. Taylor 1981-7-21 4089 Plumas Ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. 1371 Comment
  CHSC110602  Equisetum laevigatum B. Castro; G. Kuenster 2006-8-4 1593 Plumas Northern High Sierra Nevada.East side of lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1669 Comment
  CAS-BOT-BC204595  Eragrostis mexicana subsp. virescens John Thomas Howell 1959-9-21 34807 Plumas Near Paxton 883 Comment
  RSA59849  Eremocarpus setiger E. K. Balls 1950-9-14 15812 Plumas 6 mi. northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC174159  Eremogone aculeata A. A. Heller; P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  CHSC91478  Eremogone cliftonii L. P. Janeway; Linnea Hanson 2005-6-29 8445 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Hwy 70 and North Fork Feather River, 0.5 km east of Chambers Creek, at borrow pit site. 622 Comment
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Jul 8 2014
  UC1731349  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 609 Comment
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Jul 3 2008
  RSA0057646  Eremogone congesta var. suffrutescens Barbara Ertter, Gary Schoolcraft 1989-7-3 8666 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville. 2317 Comment
  SEINET12875581 Image available Eremogone congesta var. suffrutescens John Thomas Howell, T. C. Fuller and G. D. Barbe 1981-1 54357 Plumas Near Indian Creek about 0.75 mi. NW of NW arm of Antelope Reservoir 1585 Comment
  CAS-BOT-BC174389  Eremogone macradenia var. macradenia Alice A. Ackley 1966-6-1 s.n. Plumas Injun Jim Campground, Feather River North Fork Comment
  UC1123888  Eriastrum wilcoxii C. W. Hanks 1934-8-6 6 Plumas ne end of Sierra Valley Plumas National Forest, Sierraville Quadrangle Comment
  UCD38332  Ericameria Beecher Crampton 1954-5-10 1872 Plumas 1 mile west of Portola. 1470 Comment
  CAS-BOT-BC286652  Ericameria bloomeri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC294290  Ericameria nauseosa var. speciosa John Thomas Howell 1974-9-20 50902 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CAS-BOT-BC294293  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-21 34787 Plumas Rich Bar 762 Comment
  CHSC45218  Ericameria nauseosa var. speciosa Lowell Ahart 1976-9-28 1212 Plumas About 1 air mile east of the Bunker Hill Mine, about 12 air miles north-east of La Porte. 1828 Comment
  CHSC55184  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CHSC84988  Ericameria nauseosa var. speciosa Lowell Ahart 2003-10-17 10642 Plumas Above the cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  JEPS113320  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. Comment
  JEPS21504  Ericameria nauseosa var. speciosa W. L. Jepson 1939-8-16 19441 Plumas banks of Feather River within the town limits of Portola Feather River Comment
  SBBG128586  Ericameria nauseosa var. speciosa L. Ahart 2008-9-10 15360 Plumas both sides of the Quincy La Porte Rd, NW of E Branch Crk, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. one mi NE of La Porte 1593 Comment
  UC1119834  Ericameria nauseosa var. speciosa G. T. Nordstrom 1934-7-20 246 Plumas 1 1/2 m w and 1/2 n of Meadow Valley; Bidwell Bar 1310 Comment
  CHSC98249  Ericameria parryi var. latior Allison Sanger 2002-10-1 Plumas North side of Forest Road 26, 0.2 miles east of fork to Cypress Trailhead and just south of Twin Buttes. 1463 Comment
  SDSU6366  Ericameria parryi var. latior D. F. Howe 1959-8-3 2782 Plumas Roadside, 42 mi, north of Quincy. 1372 Comment
  JEPS21533  Ericameria parryi var. nevadensis W. L. Jepson 1939-8-12 19384 a Plumas sw edge of Honey Lake (Lassen-Plumas Co. boundary); Diamond Mts., Black Mt. 1981 Comment
  JEPS75283  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-25 36964 Plumas Portola Sierra Nevada 1478 Comment
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  CHSC69510  Erigeron canadensis Lowell Ahart 1997-9-11 7914 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  OBI64836  Erigeron canadensis John C. Dittes 2005-7-26 1245 Plumas T27N, R12E, NW 1/4, Sect 30; Kettle rock 7.5'Quad. Northern High Sierra nevada Range; ca 10.6 air miles N X NE of Taylorsville, ca 9.6 air miles S of Diamond Mtn, ca 14. 0 airmiles E of Green ville; watershed of Hungry Crk; at disturbed N edge of FS Rte 27N09 where seasonal drainage crosses rd 1801 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-BC296015  Erigeron divergens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada 1633 Comment
  CAS-BOT-BC296011  Erigeron divergens A. A. Heller; P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee Valley and Summit Comment
  SD112282  Erigeron divergens Darley F. Howe 1966-8-23 4296 Plumas 22 miles south of Quincy on Highway 89. 1310 Comment
  SEINET8667132 Image available Erigeron divergens A. A. Heller, P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee Valley and Summit Comment
  CHSC112556  Erigeron eatonii var. plantagineus B. Castro; L. P. Janeway 2007-6-7 1637 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. Drying edge of moist meadow along NW arm of main channel, ca 300 ft NW of confluence at small rock dam on Thompson Creek, ca 400 ft below edge of Open Ponderosa-Jeffrey pine forest. 1673 Comment
  UC725603  Erigeron eatonii var. plantagineus A. A. Heller 1940-5-22 15669 Plumas along State Hwy 89 in treeless area 2 mi n Almanor Comment
  CAS-BOT-BC300835  Erigeron glacialis var. glacialis Rimo Bacigalupi 1927-7-8 1665 Plumas Near Camp Elwell (Gold Lake Region) 1889 Comment
  CHSC75456  Erigeron inornatus var. calidipetris G. F. Hrusa; B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada. On S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. [Original lat./long. on label is '39 53 N; 120 39 W']. 1800 Comment
  CHSC65373  Erigeron inornatus var. inornatus Lowell Ahart 1995-9-13 7639 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC76118  Erigeron inornatus var. inornatus G . D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3289 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC295492  Erigeron lassenianus var. lassenianus Lewis S. Rose 1966-7-26 66048 Plumas Butterfly Valley, 3 mi. w. of Keddie 1066 Comment
  JEPS41809  Erigeron lassenianus var. lassenianus W. L. Jepson 1910-6-14 4125 Plumas Prattville 1310 Comment
  CDA18571  Erigeron lassenianus var. lassenianus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3330 Plumas Sierra Nevada; 0.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake 1661 Comment
  UC54099  Erigeron lassenianus var. lassenianus H. M. Hall and E. B. Babcock July 1903 4419 Plumas Warner Creek 1463 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
  CHSC67426  Erigeron petrophilus var. sierrensis James D. Jokerst; Lowell Ahart 1985-10-4 2584 Plumas Pilot Peak serpentine NE of La Porte. Comment
  HSC100780  Erigeron petrophilus var. sierrensis L. P. Janeway, B. Castro 2009-8-29 9949 Plumas E end of Red Mountain, 0.6 km S of the Buckhorn survey monument; at junction of Rd. 23N69 and Rd. 23N36Y. 573 Comment
  UC1730266  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas about 2 mi S of Haskins Valley (on W side of Road 18 at jct with Road 23N69; at extreme E end of Red Mountain) 1792 Comment
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Jul 16 2007
  UCD105975  Erigeron petrophilus var. sierrensis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  JEPS102801  Erigeron pumilus var. intermedius Lowell Ahart 2001-8-29 9234 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC216231  Eriodictyon californicum Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CAS-BOT-BC216235  Eriodictyon californicum John Thomas Howell 1951-6-26 27554 Plumas Near Keddie, Sierra Nevada 975 Comment
  UCD119306  Eriodictyon lobbii G. F. Hrusa 1989-6-25 7195 Plumas Above Bucks Lake. 2286 Comment
  SEINET10479801  Eriogonum douglasii var. douglasii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3858 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  CAS-BOT-BC256171  Eriogonum douglasii var. meridionale John Thomas Howell 1962-6-18 37790 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  CAS-BOT-BC435532  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of USFS Rds 28N01 and 28N70 on flat W of Highway, 11.9 air mi NNW of Beckwourth 1706 Comment
  SDSU6520  Eriogonum elatum D. F. Howe 1978-7-16 5079 Plumas Rte 49 3 miles north of Loyalton. 1463 Comment
  CAS-BOT-BC255756  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Road (32N49), ca. 1 mi. NW of Mt. Jackson, ca. 5 air mi nw of Mohawk 1645 Comment
  SEINET10479516  Eriogonum lobbii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4325 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 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
  SEINET5330571  Eriogonum marifolium A. A. Heller, P. B. Kennedy 1907-7-3 8707 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC263301  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1973-7-31 50074 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC263305  Eriogonum marifolium var. marifolium F. Ehrendorfer 1959-1-1 s.n. Plumas Chester 1524 Comment
  CAS-BOT-BC261368  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2225 Comment
  CAS-BOT-BC264818  Eriogonum nudum var. deductum John Thomas Howell 1951-6-28 27654 Plumas Johnsville, Sierra Nevada 1584 Comment
  CHSC101772  Eriogonum nudum var. deductum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15864 -C Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC76140  Eriogonum nudum var. deductum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3102 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  RSA325157  Eriogonum nudum var. deductum M. S. Taylor 1981-7-6 3978 Plumas In the Y of the 2 Ross Canyon Roads (25N31A and B), ca. 1.5 mile east of Dixie Valley Road (28N01), ca. 16 air miles NW of Chilcoot 1890 Comment
  UCSC009441  Eriogonum nudum var. deductum Lowell Ahart 1995-9-13 7634 Plumas On the north-east side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak 1829 Comment
  CHSC41964  Eriogonum nudum var. nudum Lowell Ahart 1986-7-25 5368 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Bar Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  SEINET3160019  Eriogonum nudum var. nudum E. K. Balls 1950-9-14 15823 Plumas 6 mi. n.w. of Chester, North Fork Feather River 1402 Comment
  JEPS56999  Eriogonum nudum var. nudum W. L. Jepson 1939-8-16 19442 Plumas near Jackson Creek; Middle Fork Feather River Comment
  SEINET11262481  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2466 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles south-west of Canyondam.; 0 1219 Comment
  CAS-BOT-BC269729  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-8-30 5075 Plumas Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville 1920 Comment
  CHSC21204  Eriogonum nudum var. oblongifolium F. T. Griggs; A. Pass 1975-7-9 138 Plumas Buck;s Lake Forest Service Survey. 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
  SEINET3405078 Image available Eriogonum nudum var. oblongifolium A. A. Heller, P. B. Kennedy 1907-7-16 8867 Plumas Grade between Genessee valley and summit Comment
  SEINET10479536  Eriogonum ovalifolium var. nevadense Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3873 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  SEINET10479540  Eriogonum spergulinum Mary Susan Taylor 1982-8-5 Taylor 4927 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  RSA201373  Eriogonum spergulinum var. reddingianum J. T. Howell 1960-7-18 35577 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  CDA19246  Eriogonum strictum var. anserinum G. D. Barbe, T. C. Fuller 1982-6-17 3816 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC63467  Eriogonum strictum var. anserinum Lowell Ahart 1994-7-20 7483 Plumas Open bare area, on both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Label said both Plumas and Sierra County. 1981 Comment
  NY283207  Eriogonum strictum var. anserinum A. A. Heller 1907-7-5 8741 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC262784  Eriogonum strictum var. proliferum Clare B. Hardham 1961-6-16 7478 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CHSC104743  Eriogonum umbellatum var. furcosum L. P. Janeway; Melanie Williams 2009-8-6 9911 Plumas Northern High Sierra Nevada. Plumas National Forest; 175 m east of the top of Red Hill. 1893 Comment
  CAS-BOT-BC268187  Eriogonum umbellatum var. modocense A. A. Heller; P. B. Kennedy 1907-7-15 8838 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CHSC39988  Eriogonum umbellatum var. modocense M. S. Taylor 1982-8-4 4912 Plumas Along 25N10Y, ca. 1 mile of Taylor Rock ca. 6 air mi ne of Quincy. 1737 Comment
  CHSC106215  Eriogonum umbellatum var. nevadense Arthur C. Barrett 2011-7-18 23 Plumas Plumas National Forest. Meadow View Ranger Station. 1874 Comment
  CHSC39997  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-28 4776 A Plumas On s side of Feather River, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi sw of Beckwourth. 1487 Comment
  CHSC97549  Eriogonum umbellatum var. nevadense Lowell Ahart; John Dittes 2007-6-17 14153 Plumas About 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS113426  Eriogonum umbellatum var. nevadense Lowell Ahart, John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA88596  Eriogonum umbellatum var. nevadense J. T. Howell 1951-6-27 27634 Plumas Jamison Creek 1829 Comment
  CHSC69517  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas On the east side of the dirt road to the siphon, about 1/8 mile north of the siphon, about 1 1/2 miles (air) southwest of Red Hill, about 2 miles (air) northeast of Belden. 792 Comment
  RSA769021  Eriogonum umbellatum var. polyanthum L. Ahart 2008-8-13 15192 Plumas About 100 yards north of Kenzie Ravine and the road, about 0.5 miles east of Little Grassy Valley Reservoir, about 4 air miles northeast of La Porte. 1599 Comment
  CAS-BOT-BC262252  Eriogonum ursinum M. S. Taylor 1982-7-21 4898 Plumas Summit of LIttle Volcano, ca. 5 mi se of Quincy 1767 Comment
  JEPS115130  Eriogonum ursinum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16216 Plumas On dry rocky soil, along a drainage from a snow lake, about 100 yards northeast of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CAS-BOT-BC262249  Eriogonum ursinum James L. Reveal 1975-8-24 3974 Plumas Along the La Porte-Quincy Road, 17.5 miles south of Quincy and 0.3 mile south of the Chimney Rock Trail turnoff, about 1 airline mile west of Pilot Peak Comment
  JEPS56202  Eriogonum ursinum J. G. Lemmon Sept. 1878 Plumas Mohawk and Indian Valleys Comment
  SEINET11924837  Eriogonum ursinum Unknown 1979-1 2003 Plumas Bear Valley, about 1 mi W of Pilot Peak, about 12 mi NE of La Porte, Red Fir Forest 1707 Comment
  CAS-BOT-BC443997  Eriogonum vimineum James L. Reveal 1975-8-24 3975 Plumas Along California Highway 70 in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground 876 Comment
  NY399611  Eriogonum vimineum Mrs. Ames 1876-1 s.n. Plumas Comment
  UC965635  Eriogonum vimineum Herbert L. Mason 1952-7-17 14379 Plumas 3 mi from Loyalton (on road to Beckwourth); Sierra Nevada, Sierra Valley 1524 Comment
  NY168692  Eriophyllum chrysanthum A. A. Heller 1913-6-13 10855 Plumas Near Quincy 1066.8 Comment
  RSA212169  Eriophyllum lanatum var. croceum L. S. Rose 1969-6-24 69050 Plumas Butterfly Valley, 3 mi. west of Keddie 1159 Comment
  UC1118258  Eriophyllum lanatum var. grandiflorum D. Axelrod 1934-6-9 28 Plumas 2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  SBBG133122  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1968-1 11272 Plumas unknown Comment
  CAS-BOT-BC308272  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-19 14712 Plumas Keddie Comment
  CHSC44865  Eriophyllum lanatum var. integrifolium Lowell Ahart 1979-7-18 1982 Plumas South of the road just before it crosses Onion Valley Creek. Along a wash, about 1 air mile west of Pilot Peak, about 12 air miles north of La Porte. 1828 Comment
  CHSC48158  Eriophyllum lanatum var. integrifolium Vernon Oswald 1986-7-10 2188 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  JEPS93944  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and Lowell Ahart 1998-8-11 9490 Plumas nw of Pilot Peak (on the s side of Onion Valley on the Quincy-La Porte Road (County Road 511)); Onion Valley, Quincy-La Porte Road 1920 Comment
  CAS-BOT-BC54325  Erysimum capitatum Lowell Ahart 1986-7-8 5349 Plumas About 1 mile northwest of Pilot Peak, about 14 miles northeast of La Porte. 1981 Comment
  CAS-BOT-BC54320  Erysimum capitatum Gladys L. Smith 1976-6-7 4616 Plumas Sierra Nevada. Kern Plateau. Curve of road just after crossing inlet creek of Little Grass Valley Reservation. 1889 Comment
  CHSC43815  Erysimum capitatum var. capitatum Lowell Ahart 1974-7-3 510 Plumas Near the margins of a meadow, north of Kenzie Ravine, about 4 miles north of La Porte. 1615 Comment
  RSA7881  Erysimum capitatum var. capitatum H. A. Barker 1927-7-6 783 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  CAS-BOT-BC153745  Erythranthe alsinoides H. C. Cantelow 1938-7-4 2322 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  RSA0049641  Erythranthe arvensis Dean Wm. Taylor 2012-6-20 21251 Plumas Lumpkin Ridge, Forest Road 27 about 5 miles North from Camp Eighteen (site) 1417 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CHSC64465  Erythranthe lewisii B. Castro; L. Gehrung 1994-8-4 542 Plumas Ca. 1.5 air mi SSE of Bucks Lake, ca 0.35 mi S of the Oro-Quincy Hwy and 30 ft N of USFS Rd 24N36, above houses along W branch of the N-trending drainage E of Daniel's Ck (named S. fork Haskins Ck on some maps). 1682 Comment
  CAS-BOT-BC153616  Erythranthe moniliformis M. Lavin 1982-6-27 4150 Plumas Sierra Buttes Country 4 mi up Gold Lake Rd from Graeagle, 12 mi. 250 deg. from Portola 1981 Comment
  CAS-BOT-BC494093  Erythranthe suksdorfii William Harnach 2000-6-4 904 Plumas Sierra Valley, approx. 1 mi N of the Crocker Guard Station 1737 Comment
  CHSC61677  Erythranthe tilingii Vernon H. Oswald 1993-8-25 5858 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CHSC21714  Erythronium purpurascens F. T. Griggs; A. Pass 1975-7-23 241 Plumas Cape Lake. Comment
  CAS-BOT-BC505248  Erythronium purpurascens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1954 Plumas Fern Glen, Butterfly Botanical Area 1097 Comment
  CHSC36196  Eschscholzia californica M. S. Taylor 1982-7-8 4791 Plumas Near s side of Feather River, Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  UC178475  Eschscholzia californica Katharine Brandegee Plumas Portola Comment
  CHSC104758  Eucephalus breweri L. P. Janeway 2010-8-19 10164 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 0.5 km southwest of Road 22N27 (Lumpkin Road). 1761 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  UCD142382  Euphorbia crenulata Robbins; Raynor 1943-6-1 s.n. Plumas Belden, Feather River Canyon. Comment
  CAS-BOT-BC310545  Eurybia integrifolia M. B. Kildale 1926-9-11 2776 Plumas Chester 1289 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
  UC297887  Eurybia radulina Milo S. Baker 1926-8-25 311 a Plumas Lee's Camp Comment
  CAS-BOT-BC413894  Fallopia convolvulus David D. Keck 1932-7-3 1669 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC278856  Festuca occidentalis Alice Eastwood 1927-6-14 14575 Plumas Forest Lodge near Greenville Comment
  CAS-BOT-BC278857  Festuca occidentalis Mary S. Clemens 1920-6-22 18 Plumas Quincy Comment
  JEPS110424  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir 1648 Comment
  SEINET180997 Image available Festuca occidentalis L. S. Smith 1922-7-24 1201 Plumas Modoc Forest; Rush Creek Hill on toll road 1890 Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  JEPS107617  Festuca pratensis Lowell Ahart, Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CAS-BOT-BC278632  Festuca subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54381 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CDA43020  Festuca subulata L. Ahart 2009-7-21 16107 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. Comment
  CHSC84337  Festuca subulata Lowell Ahart 2003-8-13 10506 Plumas On the east side of Hopkins Creek, about 1/8 mile south of where Hopkins Creek forks, southwest of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  JEPS102456  Festuca subulata Lowell Ahart 2001-7-19 8950 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  CHSC112089  Festuca trachyphylla L. P. Janeway 2014-7-17 11564 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  CAS-BOT-BC282568  Festuca viridula Catherine Best 1984-6-19 1015 Plumas Lakes Basin Campground Comment
  CHSC54404  Floerkea proserpinacoides Vernon H. Oswald 1991-6-12 4656 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Meadow just north of the park boundary. 1658 Comment
  JEPS97345  Floerkea proserpinacoides Lowell Ahart 1995-8-7 7608 Plumas 1/2 air mi W of Pilot Peak; Pacific Crest Trail 1981 Comment
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Jun 15 2007
  CAS-BOT-BC459443  Fragaria virginiana subsp. platypetala John Thomas Howell 1960-7-19 35640 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC55663  Frangula purshiana Anna Head 1920-1-1 s.n. Plumas Feather River region Comment
  CAS-BOT-BC55679  Frangula purshiana John Thomas Howell 1951-6-27 27617 Plumas Jamison Creek 1828 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
  HSC99901  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12050 Plumas Plumas State Park, roadside along Jamison Creek W of Eureka. 1616 Comment
  CAS-BOT-BC55712  Frangula rubra subsp. obtusissima E. K. Balls; P. C. Everett 1952-10-9 18132 Plumas 2 mi. e. of south tip of Lake Almanor, Hwy 89, between Greenville and Almanor 1158 Comment
  HSC101685  Frasera albicaulis Dillon North Davis 2013-6-11 22 Plumas 16.3 miles south on FS Road 25N17 from intersection with Highway 70. 1496 Comment
  RSA101396  Frasera albicaulis var. nitida R. Weatherby 1955-7-21 1648 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  POM220721  Fritillaria M. Canby 1929-5-12 165 Plumas 5 miles southwest of Blairsden Comment
  SD6484  Fritillaria atropurpurea Daniel Cleveland Jul 1882 Plumas Big Meadows. Comment
  CAS-BOT-BC505276  Fritillaria atropurpurea Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1967-6-12 1916 Plumas Between valley proper and Darlingtonia Bog 1066 Comment
  CAS-BOT-BC505277  Fritillaria atropurpurea Walter Knight; Irja Knight 1967-5-22 1820 Plumas Near pond reservoir 1097 Comment
  SEINET8479095  Fritillaria pudica T. Ramelli 1948-4-17 3 Plumas 5 miles S of Vinton. 1554 Comment
  SDSU9316  Galium asperrimum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River, 0.5 mile north of Chester. Comment
  CHSC97195  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14000 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
  HSC73020  Galium bifolium M. S. Taylor 1981-6-17 3926 Plumas N side of Coldwater Spring, 1/4 mi. E of its junction with 25N49, 14 air mi. N of Blairsden 2256 Comment
  CAS-BOT-BC124075  Galium bolanderi Mrs. R. M. Austin 1878-1-1 s.n. Plumas Big Meadows Comment
  JEPS95067  Galium bolanderi Vernon Oswald and Lowell Ahart 1997-9-18 8877 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.8 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  SEINET10902548  Galium grayanum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4331 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC73992  Galium grayanum var. grayanum B. Castro; L. Gehrung 1998-10-2 854 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge west of Pilot Peak ca 0.1 mi NW of jcn of the Pacific Crest Trail, Co. Rd 511, and USFS Rd 22N60. 1981 Comment
  JEPS102524  Galium trifidum var. pacificum Lowell Ahart 2001-8-28 9204 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
  CHSC113596  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC35262  Galium triflorum M. S. Taylor 1981-7-29 4150 Plumas Along creek crossing 25N42-Glournoy Grade, 0.2 mi N of North Branch of Ward Creek, ca. 5 air mi SE of Genesee. 1828 Comment
  JEPS6527  Galium triflorum John Thomas Howell 1926-7-23 2093 Plumas near Prattville 1463 Comment
  POM367793  Galium triflorum Dorothy Davis 1923-7-24 s.n. Plumas Mohawk 1372 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  JEPS48794  Garrya fremontii John W. Duffield 1937-5-30 Plumas Valley Creek; near road into camp 1158 Comment
  RSA97510  Garrya fremontii L. S. Rose 1954-5-30 s.n. Plumas Johnsville. 1601 Comment
  CAS-BOT-BC478512  Gayophytum John Thomas Howell; Gordon H. True 1967-5-29 42399 Plumas Slopes west of Lamont Meadow 1706 Comment
  POM38699A  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA754383  Gayophytum diffusum subsp. parviflorum L. Ahart, John Dittes 2009-9-7 16386 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  UC485791  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CHSC74689  Gayophytum heterozygum B. Castro 1998-7-28 816 A Plumas Ca 2 mi SW of La Porte and 0.6 mi E of American House, on S-facing slope E of the La Porte Rd. On roadcut edge within 15 ft of main road, and ca 120 ft to the S. 1508 Comment
  JEPS27552  Gayophytum heterozygum W. L. Jepson 1939-7-29 19277 Plumas Spring Hill Trail Meadow Valley 1219 Comment
  CHSC24224  Gayophytum humile D. Brink; L. Mayer 1975-7-3 Plumas Buck's Lake. Comment
  JEPS102352  Gayophytum racemosum Lowell Ahart 2001-9-18 9291 Plumas Lake Davis, strand, near Cow Creek 1761 Comment
  SEINET7717338  Gentiana amarella Unknown Plumas Big meadows Comment
  CHSC36914  Gentiana calycosa M. S. Taylor 1982-8-4 4920 Plumas Along spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 1889 Comment
  RSA101421  Gentiana calycosa R. Weatherby 1955-8-16 1685 Plumas Spring at Fales Hill Mine. 1524 Comment
  SEINET10454844  Gentiana calycosa Mary Susan Taylor 1982-8-23 Taylor 5043 Plumas T25N R8E sw/nw sec 29. Almanor NE quad. Both sides of Virgilia-Meadow Valley Rd (25N17), along creek just w of head- waters of York Creek, ca. 1.4 air mi sw of Virgilia. 5000 ft. 1524 Comment
  UC405461  Gentianella amarella subsp. acuta Mrs. R. M. Austin 1879-1 Plumas Big Meadows; Mt. Dyer Comment
  CHSC66638  Geum macrophyllum Vernon H. Oswald; Lowell Ahart 1996-7-15 8039 Plumas High Cascade Range. E side of Last Chance Marsh at the N edge of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. 1371 Comment
  SEINET10483304  Geum macrophyllum Mary Susan Taylor 1981-7-6 Taylor 3970 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  JEPS107951  Gilia capillaris Lowell Ahart, Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  UC908578  Gilia capillaris Herbert L. Mason 1924-6-20 1083 Plumas Gold Lake Comment
  CHSC21118  Gilia capitata F. T. Griggs; A. Pass 1975-7-2 28 Plumas East of road. Buck's Lake. Comment
  RSA319141  Gilia capitata Patricia Wilder 1971-6-21 5132 Plumas Prattville-Butt Reservoir Road 1.7 miles south of Junction with Seneca Road; north of Caribou and Belden and California State Highway 70 1410 Comment
  UC367215  Gilia capitata subsp. pedemontana J. G. Lemmon and wife Sep 1883 Plumas American Val American Val (N. Cal.) Comment
  SEINET7297635 Image available Glyceria borealis Malcolm A. Nobs, S. Galen Smith 1949-1 1380 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester Comment
  CAS-BOT-BC282699  Glyceria elata Anna Head 1921-7-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC282704  Glyceria elata John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1505 Plumas Pond Reservoir, Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC282710  Glyceria elata John Thomas Howell 1960-7-18 35514 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  SEINET10966590  Glyceria elata Patricia L. Kenney 1973-6-5 Kenney 430 Plumas Along a stream along HWY 70. 6 mi S of jct of HWYs 89 & 70. Comment
  CAS-BOT-BC307389  Gnaphalium palustre Greg Sommers 1976-7-12 168 Plumas Sierra Valley osuth of Marble Lane, Sierra Nevada 1487 Comment
  CAS-BOT-BC307395  Gnaphalium palustre Doris K. Kildale 1927-9-11 3779 Plumas Chester 1289 Comment
  CHSC35939  Gnaphalium palustre M. S. Taylor 1982-6-28 4760 Plumas Ramelli Ranch, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC91643  Gnaphalium palustre G. D. Barbe; T. C. Fuller 1982-6-17 3844 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  JEPS107496  Gnaphalium palustre Lowell Ahart, John Dittes 2005-9-19 12390 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
  JEPS115114  Gnaphalium palustre Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16221 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  RSA60241  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  CAS-BOT-BC307391  Gnaphalium palustre Lowell Ahart 1981-9-6 3077 Plumas 1 1/2 miles SW of Crecent Mills, Sierra Nevada 1200 Comment
  SEINET10474670  Gnaphalium palustre Mary Susan Taylor 1980-9-27 Taylor 3350 Plumas T23N R7E each central border sec 7, Bucks Lake quad. In mud along Grizzly Creek, S side of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy. With W. Dakan & T. Griggs. 1524 Comment
  JEPS88363  Goodyera oblongifolia Vernon H. Oswald and Lowell Ahart 1996-8-14 8169 Plumas 1.9 mi se of Silver Lake Campground (ne of Bucks Lake, Silver Lake Road, northern High Sierra Nevada); High Sierra Nevada, Silver Lake Road 1645 Comment
  JEPS64397  Goodyera oblongifolia Helen-Mar Wheeler 1944-8-23 Plumas Cascade Creek Comment
  SEINET10905334  Goodyera oblongifolia Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4009 A 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
  CHSC92170  Gratiola ebracteata Lowell Ahart; John Dittes 2005-9-19 12392 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CHSC72303  Hackelia amethystina L. P. Janeway; Glenn Clifton 1998-7-8 5720 Plumas About 1.5 mi northeast of Indicator Peak; along Road 28N08 0.25 mi southwest of Road 29N03. 1944 Comment
  RSA52904  Hackelia micrantha R. Weatherby 1950-8-11 1525 Plumas Slopes of Mt. Elwell, Lakes Basin Area. 2226 Comment
  UC881763  Hackelia micrantha Anna Head 1920-7-12 Plumas near Lake Center Camp; Feather River Region 1920 Comment
  RSA95508  Hastingsia alba J. T. Howell 1951-6-26 27533 Plumas Feather River Canyon 854 Comment
  CHSC43610  Hazardia whitneyi var. whitneyi Vernon Oswald 1983-8-24 1023 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC83610  Hazardia whitneyi var. whitneyi John Dittes 2002-8-8 2 -44 Plumas Northern High Sierra Nevada; Plumas National Forest, ca. 1.0 air-mile east of Table Mountain, ca. 0.9 air-mile south of Dogwood Peak, ca. 0.3 air-mile east of Stagg Creek. 1853 Comment
  CAS-BOT-BC306697  Helenium bigelovii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1536 Plumas Butterfly Botanical Area and vicinity. Area north of Pond Reservoir 1097 Comment
  SEINET11196744 Image available Helenium bigelovii H. Mozingo 1960-7-12 19499 Plumas Butterfly Valley Comment
  UC586918  Helenium bigelovii Joseph Andorfer Ewan 1934-6-25 8212 Plumas above Deuteus (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
  CDA18692  Helianthella californica var. nevadensis G. D. Barbe, T. C. Fuller 1982-6-15 3699 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UCD107441  Helianthella californica var. nevadensis Tim Kuhn 2006-7-9 18 Plumas Southwest of Lake Davis. Comment
  CAS-BOT-BC314801  Helianthella californica var. nevadensis John Thomas Howell; H. Keith Wagnon 1980-5-28 53697 Plumas Near Twain, East Branch North Fork Feather River, Sierra Nevada 914 Comment
  CDA6427  Helianthella californica var. nevadensis T. R. Haig 1962-8-9 Plumas 2 miles south of Graeagle. Comment
  UCD132766  Helianthella californica var. nevadensis J. I. Mallory 1968-4-1 279 Plumas La Porte area, Plumas National Forest. 1798 Comment
  SD50707  Helianthus bolanderi Darley F. Howe 1959-8-3 Plumas 41 miles north of Quincy on Highway 89. 1370 Comment
  CAS-BOT-BC313429  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  CAS-BOT-BC315016  Hemizonella minima Walter Knight; Irja Knight 1967-5-22 1885 Plumas Rubble Gap, Butterfly Botanical Area and Vicinity Comment
  CAS-BOT-BC315017  Hemizonella minima L. P. Janeway; Garrett Gibson 1991-6-13 4004 Plumas Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek, Bechwourth Ranger District, Clio Compartment, Plumas National Forest 1484 Comment
  UC480996  Hemizonella minima H. M. Hall 1912-6-29 9290 Plumas Spanish Peak 2133 Comment
  CHSC100339  Heracleum lanatum Lowell Ahart 2008-7-16 15078 Plumas Forest floor, in a small seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CDA3756  Hesperis matronalis J. T. Howell, G. H. True 1967-7-11 43380 Plumas Quincy. Comment
  CAS-BOT-BC55290  Hesperis matronalis F. H. Surber 1972-6-7 s.n. Plumas Dump, approximately 1 mile northwest of Greenville. Comment
  UC1563919  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  POM147044  Hesperolinon micranthum Alice Eastwood 1927-06 14931 Plumas On road from Chilcott, United States Forest Reserve Comment
  CHSC116184  Heterocodon rariflorum Lowell Ahart 2015-7-4 20282 Plumas About 150 yards south of the paved road by Tamarack Flat, about 1/2 mile wet of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1-1/2 miles (air) northwet of Little Grass Valley Reservoir. 1712 Comment
  CHSC99816  Heterocodon rariflorum Lowell Ahart 2008-8-14 15209 Plumas West edge of a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  SD6567  Heterocodon rariflorum Mrs. R. M. Austin 1878-1 Plumas Big Meadows Comment
  JEPS113322  Heterotheca grandiflora L. P. Janeway 2006-10-1 8898 Plumas Northern High Sierra Nevada. Along Hwy 70 0.6 road km southwest of former Injun Jim Campground, and above North Fork Feather River. Comment
  CHSC52727  Heterotheca villosa var. minor L. P. Janeway 1990-8-15 3829 Plumas Plumas National Forest. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1859 Comment
  CAS-BOT-BC312285  Heterotheca villosa var. minor Matt Lavin 1983-6-2 4419 Plumas Sierra Valley just S of Vinton 1524 Comment
  SJSU13942  Heterotheca villosa var. minor N. A. Hopkins 1986-6-30 1349 Plumas by Johnsville-LaPorte Rd near SW boundary of Eureka State Park Comment
  CHSC57098  Heuchera micrantha var. erubescens Steven Triano 1988-4-17 78 Plumas Along rocky cliffs on w side of Hwy. 70, ca 0.1 mi s of Rock Creek Dam. 640 Comment
  JEPS115207  Heuchera micrantha var. erubescens Lowell Ahart, John Dittes 2009-7-15 16101 Plumas On broken rock, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  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
  UC137006  Heuchera micrantha var. erubescens Mrs. R. M. Austin 1882-8-20 Plumas North Fork Feather River (below meadows) Comment
  CAS-BOT-BC425152  Heuchera rubescens Ella Dales Cantelow 1941-5-18 3518 Plumas 1 1/2 mi. w. of Johnsville on rd. to Gibsonville 1615 Comment
  SEINET2431542 Image available Heuchera rubescens var. alpicola J. Ewan 1934-6-26 8294 Plumas Frazier Creek Falls. Gold Lake road. 1830 Comment
  CHSC67386  Heuchera rubescens var. glandulosa J. D. Jokerst 1984-6-13 2054 Plumas Few large clumps against face of bedrock outcrop that is part of a spur ridge ca 100 meters below the top of the extremely steep drop in Yellow Creek Canyon. North of USFS rd 26n26 where it crosses over ridge line saddle at S edge of Sect. 1463 Comment
  JEPS115089  Hieracium albiflorum Lowell Ahart, John Dittes 2009-7-13 16053 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CDA20394  Hirschfeldia incana J. Naughton 2002-7-7 102 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  SEINET10507460  Holcus lanatus Mary Susan Taylor 1982-8-12 Taylor 4980 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  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
  CHSC64132  Holodiscus microphyllus var. glabrescens B. Castro; L. Hanson 1988-7-15 271 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  CAS-BOT-BC152720  Holodiscus microphyllus var. microphyllus Robert J. Weatherby 1950-8-11 1516 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  CAS-BOT-BC152723  Holodiscus microphyllus var. microphyllus John Thomas Howell; Gordon H. True 1973-7-31 50068 Plumas Summit ridge of Thompson Peak, Diamond Range - Sierra Nevada 2362 Comment
  CHSC35941  Hordeum brachyantherum subsp. brachyantherum M. S. Taylor 1982-6-28 4768 Plumas Drainage on n side of Feather River, ca. 1/4 mi w of Calpine Rd (109), Ramelli Ranch, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC97531  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2007-6-16 14150 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS113751  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart, John Dittes 2007-6-16 14150 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1024784  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-8-8 2239 Plumas ca. 9 mi NW of Portola (Freeman Creek, NW end of Big Grizzley Valley); Plumas National Forest 1828 Comment
  RSA726376  Hordeum jubatum L. Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CAS-BOT-BC285106  Hordeum marinum subsp. gussoneanum John Thomas Howell 1961-6-21 36686 Plumas Greenville 1097 Comment
  CAS-BOT-BC285107  Hordeum marinum subsp. gussoneanum John Thomas Howell 1967-6-23 42691 Plumas Butterfly Valley 1066 Comment
  CAS-BOT-BC532306  Horkelia fusca Mary E. Wall 1939-6-25 s.n. Plumas Brunch Creek ranger staion. Comment
  CAS-BOT-BC537870  Horkelia fusca var. parviflora Anna Head 1921-7-17 s. n. Plumas Feather River Region: Gray Eagle Meadows 1828 Comment
  CAS-BOT-BC537873  Horkelia fusca var. parviflora Rimo Bacigalupi 1927-7-11 1714 Plumas Gold Lake Region: Near Grassy Lake Meadows 1889 Comment
  UC545674  Horkelia tridentata subsp. tridentata Milo S. Baker 1935-6-26 8093 Plumas near Cabin (on Hwy 39); Child's Meadow Comment
  UCD169660  Hosackia crassifolia var. crassifolia Lowell Ahart; John Dittes 2009-7-13 16044 Plumas About 3 miles (air) southwest of Lake Almanor Reservoir Dam, about 2.0 miles (air) north of Butt Valley Reservoir Dam, on the west side of Forest Service Road 27N98. headwater of Clear Creek. 1476 Comment
  UCD106185  Hosackia stipularis L. Ahart 1982-7-30 3734 Plumas Near the headwaters of Ohio Ravine, ca. 1 mi. ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  SEINET10837216  Hydrophyllum capitatum var. alpinum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3838 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. N side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CHSC21321  Hydrophyllum occidentale F. T. Griggs; A. Pass 1975-7-8 112 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET5518742  Hydrophyllum occidentale var. watsonii P. A. Lehenbauer 1929-5-5 2678 Plumas Gold Lake Road Comment
  NY547116  Hypericum anagalloides Mrs. Ames 1876-1 s.n. Plumas Comment
  SJSU13930  Hypericum anagalloides N. A. Hopkins 1985-8-27 1317 Plumas Grass L 1786 Comment
  SD7539  Hypericum anagalloides D. C. 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  CHSC20784  Hypericum formosum var. scouleri K. R. Stern 1975-7-24 5851 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC401438  Hypericum scouleri Walter Knight; Irja Knight 1966-6-18 1331 Plumas Butterfly Valley 1173 Comment
  CAS-BOT-BC401440  Hypericum scouleri John Thomas Howell 1960-7-21 35791 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC118703  Hypochaeris glabra Wendy L. Boes; Jim Battagin 2015-5-12 2015007 A 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
  CAS-BOT-BC88639  Idahoa scapigera John Thomas Howell 1975-6-16 51162 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  SD46433  Ipomopsis aggregata Robert J. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek; Middle Fork Feather River. 1768 Comment
  SEINET12326783  Ipomopsis aggregata L. Ahart, Ahart, P. 1983-1 4334 Plumas Near Onion Valley, W of Pilot Peak, near the Quincy-LaPorte Rd, NE of La Porte, Red Fir Forest 610 Comment
  UCR3614  Iris hartwegii Wm. Horn Jr. 1963-6-19 630619 7 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  SEINET8752714  Iris hartwegii P. A. Lehenbauer 1933-5-30 2098 Plumas Near Quincy Comment
  JEPS26740  Iris hartwegii subsp. hartwegii P. C. Hutchison 1961-6-9 2131 Plumas 0.4 mi. e. of Dam & store Round Valley Reservoir Comment
  JEPS88859  Iris hartwegii subsp. pinetorum Carol A. Wilson 1992-5-18 92 -ph23 Plumas 6.5 mi before Canyon Dam (near Greenville, e of Lake Almanor on Hwy 89) 1097 Comment
  RSA136350  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1955-5-14 20710 Plumas 3.1 mi. N of Greenville on road to Lake Almanor, Hwy. 89. 1159 Comment
  RSA136506  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1956-6-19 21839 Plumas 1.2 miles east along State Highway 89 after leaving Lake Almanor 1418 Comment
  RSA790593  Ivesia aperta James R. Shevock, Barbara Ertter 1986-7-20 11736 Plumas Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  JEPS99015  Ivesia aperta var. aperta Carol W. Witham 1993-7-7 548 Plumas Sierra Valley; 2.0 air mi N of the Beckworth Airport and approx. 0.5 mi E of the Beckwourth Genessee Valley Road. 1520 Comment
  UC595084  Ivesia aperta var. aperta David D. Keck and A. Gustafsson 1938-8-9 4901 Plumas 0.5 mi e Beckwith (Beckwourth); Sierra Valley 1501 Comment
  JEPS112781  Ivesia baileyi var. baileyi Dean Wm. Taylor, Glenn L. Clifton 1990-6-25 11172 Plumas Little Last Chance Creek downstream ca. 0.6 miles from Frenchman Flat Reservoir Comment
  SEINET10483373  Ivesia sericoleuca Mary Susan Taylor 1981-7-7 Taylor 3988 Plumas T25N R14E ne/sw sec 27. Crocker Mt quad. In Sagebrush Scrub on dry, sandy soil, on NE side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi N of Beckwourth. 5600 ft elev. 1707 Comment
  CHSC108030  Juncus articulatus subsp. articulatus L. P. Janeway 2011-9-22 10738 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above the water line. 1468 Comment
  SJSU14301  Juncus bryoides N. A. Hopkins 1989-5-24 1499 .5 Plumas by Loyalton-Beckwourth Rd near Marble Hot Springs Rd 1524 Comment
  UCD141377  Juncus bufonius A. A. Heller 1907-7-3 8694 Plumas Red Clover valley. Comment
  CHSC95013  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC53718  Juncus bufonius var. occidentalis L. P. Janeway 1989-7-7 3463 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. Along dry edge of small meadows below the spring. 1737 Comment
  CHSC32858  Juncus covillei L. Ahart 1980-10-6 2675 Plumas On the floor of a hydraulic mine ca. 1 mi s of La Porte. 1600 Comment
  CHSC47545  Juncus covillei Lowell Ahart 1977-8-8 1544 Plumas Small meadow, east of the pond, Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  CHSC102040  Juncus ensifolius Lowell Ahart; John Dittes 2009-7-27 16176 Plumas On dry to damp soil, about 5 yards northwest of the small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 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
  CHSC52751  Juncus ensifolius Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  RSA60135  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off highway 24, east of Quincy. 1524 Comment
  CHSC100350  Juncus howellii Lowell Ahart 2008-8-13 15188 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  CHSC100461  Juncus howellii Lowell Ahart 2008-9-10 15390 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. Near center of section 27. 1598 Comment
  JEPS114813  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS114937  Juncus howellii Lowell Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  RSA0035816  Juncus howellii Lowell A. Ahart 2008-8-14 15216 Plumas South of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte. 1725 Comment
  CDA19258  Juncus macrandrus G. D. Barbe, T. C. Fuller 1982-6-17 3853 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS114938  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas Meadow (swamp, bog) about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte 1597 Comment
  CHSC102104  Juncus nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16208 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  CHSC47568  Juncus nevadensis Lowell Ahart 1981-7-21 2964 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of the Quincy La Porte Road, about 1 1/4 miles north of Pilot Peak. 1828 Comment
  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
  CHSC78753  Juncus nevadensis L. P. Janeway 2000-7-16 6904 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
  JEPS107926  Juncus nevadensis Lowell Ahart, John Dittes 2005-9-19 12398 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
  UCD108043  Juncus nevadensis Tim Kuhn 2006-7-11 78 Plumas on Plumas NF forest service road 107407. Comment
  RSA95510  Juncus nevadensis J. T. Howell 1951-6-27 27596 Plumas McRae Meadow. 1982 Comment
  CHSC53719  Juncus orthophyllus L. P. Janeway 1989-7-11 3473 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Road (rd 111) 11.5 mi from Beckwourth. Along border of creek. 1691 Comment
  CHSC113903  Juncus oxymeris Lowell Ahart 2014-8-24 19759 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC60563  Juncus parryi L. P. Janeway 1984-7-27 934 Plumas Lakes Basin; near Grassy Lake. 1920 Comment
  CHSC102673  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -D Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  HSC100817  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 Plumas Below the high water line of Lake Almanor, ~2,000 ft. NW of Lake Almanor Dam. 1591 Comment
  JEPS116055  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
  JEPS48507  Kalmia polifolia subsp. microphylla Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2072 Comment
  CDA9313  Keckiella breviflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .264 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CAS-BOT-BC235661  Keckiella breviflora var. glabrisepala Lewis S. Rose 1968-6-12 68110 Plumas Feather River Canyon, 4 mi. w. of Belden 609 Comment
  CAS-BOT-BC246160  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CAS-BOT-BC246163  Keckiella lemmonii M. S. Taylor 1982-8-10 4953 Plumas Along spur road off Seneca Road (306), ca. 2 air miles SW of Canyon Dam 1554 Comment
  UC103021  Keckiella lemmonii unknown 180 Plumas Dutch Hill Comment
  UC335594 Image available Keckiella lemmonii J. G. Lemmon Sep 1874 Plumas near Quincy; ; near Quincy Comment
  JEPS12465  Kelloggia galioides W. L. Jepson 1939-7-29 19271 Plumas Spring Hill Trail; Meadow Valley 1219 Comment
  CAS-BOT-BC340349  Kyhosia bolanderi Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  CHSC107913  Kyhosia bolanderi L. P. Janeway; B. Castro 2011-9-11 10719 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. 1570 Comment
  CAS-BOT-BC340352  Kyhosia bolanderi John Thomas Howell 1960-7-23 35940 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA59676  Kyhosia bolanderi E. K. Balls 1950-9-9 15744 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SJSU8123  Kyhosia bolanderi H. L. Buckalew 1964-7-28 Plumas Bucks L 1584 Comment
  SEINET10474768  Lagophylla ramosissima Mary Susan Taylor 1982-6-28 Taylor 4766 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
  CHSC79463  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa; B. Smith 1996-7-15 13224 Plumas Northern California. Sierra Nevada -- Plumas National Forest. Roadside near inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CHSC87633  Lathyrus lanszwertii var. aridus Lowell Ahart; Josephine Guardino 2004-5-24 10943 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy. 1204 Comment
  CAS-BOT-BC205064  Lathyrus sulphureus Mary Strong Clemens 1920-8-11 s.n. Plumas Greenville Comment
  SEINET6658652  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca 3 mi west of Keddie.; 0 1219 Comment
  SEINET11062172 Image available Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  RSA286331  Ledum glandulosum R. F. Thorne 1974-7-30 45001 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  RSA52922  Lemna minor R. Weatherby 1950-7-28 1486 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  CHSC46713  Lemna trisulca V. Oswald; W. Dempsey 1989-8-24 3970 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of Chester. 1316 Comment
  SBBG119742  Lemna trisulca L. Ahart with J. Dittes, J. Guardino, R. Schlising, S. Chamberlain 2004-6-14 11067 Plumas S side of Forest Rd 24N10, ca. 0.25 mi W of Cow Crk, W of Lake Davis, ca. 9.25 mi NE of Sloat 1796 Comment
  CAS-BOT-BC88776  Lepidium appelianum J. Budaj 1962-7-11 s.n. Plumas Highway 40, 0.25 mile west of Vinton. Comment
  CAS-BOT-BC88840  Lepidium campestre John Thomas Howell 1976-7-16 51901 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC88845  Lepidium campestre John Thomas Howell 1951-6-26 27553 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CAS-BOT-BC88848  Lepidium campestre Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1582 Plumas Butterfly Botanical Area and Vicinity. Creek near confluence of Butterfly Creek. 1036 Comment
  CDA24901  Lepidium densiflorum var. macrocarpum T. C. Fuller 1959-7-6 4296 Plumas Highway 40A, North Fork Feather River bridge, 2 miles southwest of Storrie. 0 Comment
  UC398786  Lepidium nitidum Mrs. R. M. Austin Plumas Comment
  POM186840  Lepidium perfoliatum D. D. Keck 1663 Plumas Quincy, within a few meters of the main street. Northern Sierra Nevada. 1065 Comment
  CHSC102153  Lepidium virginicum var. pubescens Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16225 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  SD7467  Leptosiphon bolanderi Mrs. R. M. Austin 1879-1 Plumas American Valley Comment
  CHSC44324  Leptosiphon ciliatus Lowell Ahart 1974-7-30 562 Plumas About 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC63651  Leptosiphon ciliatus B. Castro; R. Zebell 1989-7-20 329 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  CHSC65657  Leptosiphon ciliatus L. P. Janeway 1995-7-23 4865 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  CHSC76061  Leptosiphon ciliatus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3252 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  UCD118780  Leptosiphon ciliatus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3252 Plumas 2.5 miles southeast of Mt. Hough Summit, 0.4 mile nothwest of China Grade Road (to Taylorsville.) 1798 Comment
  UC501393  Leucanthemum vulgare David D. Keck Jul 3 1932-Jul 5 1932 1622 Plumas road to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  RSA101392  Leucophysalis nana R. Weatherby 1955-7-21 1652 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  SJSU15260  Lewisia cantelovii S. Woolhouse 2010-7-25 9 Plumas Caribou Road approximately 0.5 miles north of the intersection with Highway 70. Caribou Quad. T25NR7ES17. Comment
  UCD101589  Lewisia cantelovii Jack Major 1966-7-10 s.n. Plumas Feather River Canyon, just east of Tobin (on US Alternate 40). 609 Comment
  UCD15872  Lewisia cantelovii K. Mawdsley; M. Simpson 1998-6-28 46 Plumas Lassen National Forest, north from Hwy 70 on Forest Service road just east of Howell's Bridge over N Fork of Feather River. Ca. 300 yds along Forest Service road. 800 Comment
  CHSC101860  Lewisia nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15894 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area. 1421 Comment
  CHSC98307  Lewisia nevadensis L. P. Janeway 2007-6-3 9004 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC444571  Lewisia triphylla Catherine Best 1984-6-19 1013 Plumas Lakes Basin Camp Ground Comment
  CAS-BOT-BC444575  Lewisia triphylla Gladys L. Smith 1976-6-7 4593 Plumas Central summit area of secondary road from Rte. 70 to La Porte 1950 Comment
  UC28402  Lewisia triphylla George W. Gillett 1957-7-18 811 Plumas near trail, ne side of Boiling Springs Lake Lassen National Volcanic Park, Boiling Springs Lake 1813 Comment
  SEINET204033 Image available Leymus cinereus F. J. Herman 1955-7-27 11945 Plumas Along highway Comment
  CAS-BOT-BC274532  Leymus triticoides John Thomas Howell 1955-7-19 30802 Plumas Vinton 1505 Comment
  CDA32481  Leymus triticoides T. C. Fuller 1964-6-26 12252 Plumas Loyalton-Vinton Rd., 0.1 mile north of county line. 0 Comment
  CHSC21585  Ligusticum californicum L. M. Mayer; D. E. Brink Jr. 1975-8-12 Plumas Comment
  CDA14757  Ligusticum grayi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3321 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite. 1341 Comment
  CAS-BOT-BC436051  Ligusticum grayi John Thomas Howell 1960-7-21 35834 Plumas Lassen Volcanic National Park, NW of Willow Lake 1706 Comment
  CAS-BOT-BC130518  Lilium A. M. Vollmer; L. Beane 1953-7-1 28 Plumas Englemine 1158 Comment
  UC586857  Lilium kelleyanum Joseph Andorfer Ewan 1934-6-25 8220 Plumas above Denton (Blairsden) (Gold Lake Road); Sierra Nevada 1524 Comment
Read comments
Dec 13 2006
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  LA22092  Lilium washingtonianum C. W. Hollis; June 1730 1928 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC97565  Limosella acaulis Lowell Ahart; John Dittes 2007-6-17 14178 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS102718  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 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
  CHSC59819  Limosella aquatica L. P. Janeway 1992-9-16 4312 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  SJSU14211  Limosella aquatica N. A. Hopkins 1989-6-7 1524 Plumas drainage channel, Squaw Valley 1706 Comment
  UCR161006  Linanthus ciliatus G. D. Barbe, T. C. Fuller 1982-6-17 3802 Plumas Plumas National Forest, Junction of Gold Lake Rd. and Hwy 89 between Graegle and Clio, 6 mi N of Sierra Co. line 1372 Comment
  UC485789  Linanthus harknessii H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC1562394  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  UC1594683  Listera convallarioides unknown 1992-7-1 5044 a Plumas ca. 5 air mi ssw Graeagle (via Gold Lake Forest Hwy. (County Rd.519), near the entrance gate to Elwell Lodge at s end of Lakes Basin Campground); Grass Lake 1926 Comment
  UC1584010  Lithophragma bolanderi G. Schoolcraft 1990-5-9 2025 Plumas about 1 mi w Crescent Mills 1463 Comment
  CAS-BOT-BC435469  Lithophragma glabrum M. S. Taylor; M. Foster 1981-6-3 3836 Plumas Mt Ingalls quad. S side of road 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 air mile NW of Portola. 2103 Comment
  SEINET6032225  Lithophragma glabrum T. Ramelli 1948-5-8 23 Plumas 1.5 miles northeast of Vinton 1524 Comment
  CHSC81407  Lithophragma parviflorum var. parviflorum L. P. Janeway 1996-5-7 4961 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
  CAS-BOT-BC428429  Lithophragma tenellum John Thomas Howell 1951-6-27 s.n. Plumas Jamison Creek 1828 Comment
  UC170981  Lithospermum californicum H. M. Hall 1912-6-28 9279 Plumas Sierra Nevada Mts., Spanish Creek 1158 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
  UCD169253  Lomatium macrocarpum S. L. Welsh; N. D. Atwood 2001-6-13 28135 Plumas W end of Dixie Valley, N of Beckwourth. 1711 Comment
  CHSC97166  Lomatium piperi Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14020 Plumas East side of an open rocky flat, 10 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UCD40291  Lonicera Rodney Gale Myatt 1971-6-13 756 a Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  UC1586463  Lonicera cauriana Vernon H. Oswald and Lowell Ahart 1991-7-30 4786 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd.); Grizzly Creek 1777 Comment
  CHSC70233  Lonicera conjugialis B. Castro; R. Zebell, R. Fallscheer 1989-8-2 347 Plumas Ca 3.5 air miS of Bucks Lake, ca 50 ft W of USFS Rd 23N58 1737 Comment
  SD6573  Lonicera conjugialis Mrs. R. M. Austin 1879-1 Plumas Comment
  HSC100724  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas E side of F.S. Rd. 26N22 and 26N221, 2.6 (air) mi. SE of Seneca, 6.5 (air) mi. S of Lake Almanor Reservoir Dam. 1608 Comment
  RSA755329  Lotus crassifolius var. crassifolius L. Ahart 2009-7-13 16044 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
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  RSA189433  Lotus micranthus L. S. Rose 1967-5-8 67073 Plumas Rodgers Flat, North Fork, Feather River. 610 Comment
  SEINET12163677  Lotus nevadensis W. Knight, Kinght, I. 1983-1 4922 Plumas 6miN of Chester on rd to Drakesbad on North Fork of Feather R 1463 Comment
  UC80950  Lotus nevadensis var. nevadensis R. M. Austin Jul 1896 460 Plumas Lassens Peak Comment
  UC485774  Lotus oblongifolius var. oblongifolius H. E. and S. T. Parks Jun 1928 239 Plumas Drakesbad Lassen National Park Comment
  UC485777  Lotus purshianus var. purshianus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 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
  RSA666088  Lunaria annua Rudolf Schmid 2002-4-12 2002 -2 Plumas Belden (Hwy 70). 718 Comment
  RSA0060731  Lupinus adsurgens Daisie Huang 2006-8-11 06081104 Plumas Rattlesnake Creek, N of Hwy 70. 1283 Comment
  UCR123904  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2001-7-6 6858 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  UCR274624  Lupinus adsurgens Daisie Huang 2006-8-11 60811- 04 Plumas Rattlesnake Creek, north of Hwy 70 1284 Comment
  CHSC92283  Lupinus albicaulis John Dittes 2005-6-23 1182 Plumas Northern High Sierra Nevada Range; east edge of Indian Valley; ca. 2.7 air-miles east x northeast of Crescent Mills, ca. 2.5 air-miles north x northwest of Taylorsville, ca. 1.4 air-miles west of Keddie Point, near intersection of County Road 112 and County Road 206. 1072 Comment
  RSA431058  Lupinus albicaulis subsp. wolfianus M. L. Conrad, Dunn, Kenney 1973-6-5 7061 Plumas West side of Quincy on Meadow Valley Road. 1037 Comment
  SBBG21929  Lupinus andersonii D. Myrick 1964-7-22 904 Plumas Drakesbad-Mineral Rd 1524 Comment
  JEPS85925  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 A 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
  CHSC36863  Lupinus arbustus M. S. Taylor 1982-8-18 5016 Plumas Mt Ingalls summit, ca. 9 air mi ne of Sloat. 2551 Comment
  UC177220  Lupinus arbustus H. M. Hall 1912-7-10 9328 Plumas Long Lake; Sierra Nevada Mountains, Long Lake 2042 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
  CHSC37694  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-10 4620 Plumas Aground grassy granite knoll, sw of 23N72, ca. 1 mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 1554 Comment
  CHSC34760  Lupinus argenteus var. meionanthus M. S. Taylor 1981-7-29 4146 Plumas Both sides of 25N42C, 1.4 mi ne of its jct with 25N42 - Flourney Grade, ca. 4 mi e of Genesee. 1706 Comment
  CAS-BOT-BC196604  Lupinus argenteus var. palmeri L. P. Janeway; Garrett Gibson 1991-7-1 4065 Plumas Along east side of Lake Davis, ca 2 1/4 mi north of the Grizzly Valley Dam 1783 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
  CAS-BOT-BC196672  Lupinus breweri var. breweri H. D. Ripley; R. C. Barneby 1943-6-13 5709 Plumas 10 miles S. of Milford, in N. Plumas Co. 1767 Comment
  CAS-BOT-BC215358  Lupinus dalesiae M. S. Taylor 1982-5-27 4557 Plumas S side of Bucks Lake, Spanish Creek Road, 2.6 miles SW of its jct with Highway 70 in Quincy 1097 Comment
  CAS-BOT-BC215361  Lupinus dalesiae M. S. Taylor 1982-6-16 4688 Plumas W side of 24N13, 0.5 mile S of its junction with Quincy-LaPorte Road, ca. 4 air miles SE of Quincy 1645 Comment
  CAS-BOT-BC215365  Lupinus dalesiae M. S. Taylor 1982-5-27 4541 Plumas W side of Dixie Canyon Road (204), 1.2 to 2 miles n of its jct with Highway 89 at Moccasin 1341 Comment
  CAS-BOT-BC215370  Lupinus dalesiae M. S. Taylor 1982-6-3 4602 Plumas Flat saddle above Bell Bar Creek Drainage, on 23N45Y, 0.4 mile E of its jct with White Cap Road, ca. 4 miles SW of Sloat 1584 Comment
  CAS-BOT-BC215373  Lupinus dalesiae M. S. Taylor 1982-6-23 4718 Plumas S side of Peoria Creek Road (23N10), 0.2 mile NE of Oliver Creek, ca. 5 miles SW of Sloat 1615 Comment
  CAS-BOT-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CHSC35912  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mi w of its jct with Bell Bar Creek Rd (23N50Y), ca. 2 air mi sw of Sloat. 1493 Comment
  CHSC52430  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Cr. Ca 1.0 mi N of Hwy 70/89; vicinity of Long Valley, Sloat. 1417 Comment
  CHSC76132  Lupinus dalesiae G. F. Hrusa 1997-5-30 13826 Plumas Sierra Nevada. At edge of powerlines. On E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  RSA101414  Lupinus dalesiae R. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley. 2165 Comment
  SEINET10452062  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4683 Plumas T23N R10E ne/nw sec 5. Quincy quad. Open bare rdcut, 1/4 mi n of jct of 23N90 & 24N14, ca. 1/2 mi n of Willow Creek, ca. 4 air mi se of Quincy. 5099 ft. 1554 Comment
  SEINET10485180  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4691 Plumas T23n r11e sw1/4nw1/4 sec 17. Blue nose mt quad. On open bare phyllite roadcut On and road, both sides of 23n44y, 1.3 mi. W of its jct with 23n50y, ca 2 air Mi. Sw of sloat. With silene lemmonii, collinsia torreyi. 1494 Comment
  SEINET10483999  Lupinus grayi Mary Susan Taylor 1982-6-2 Taylor 4603 Plumas W side of Poplar Creek Rd (23N08), jct s of bridge over Poplar Creek, 1 mi s of Sloat. 4200 ft. 1280 Comment
  SEINET10871251  Lupinus grayi Mary Susan Taylor 1982-6-14 Taylor 4673 Plumas On ridge W of and above Indian Falls on Hwy 89, in 1980 burn area. 4300 ft. 1310 Comment
  CAS-BOT-BC329258  Lupinus latifolius subsp. longipes M. S. Taylor 1982-7-12 4824 Plumas At junction of small creek to Jamison Creek, on N side of Rd 507, just W of Plumas-Eureka State Park boundary, 2.0 mi SW of Johnsville 1767 Comment
  CHSC52437  Lupinus lepidus var. confertus L. P. Janeway 1990-7-6 3777 Plumas Plumas National Forest. Near Emigrant Cr and ca 1/10 mi south of Little Grizzly Cr. 1767 Comment
  CHSC60094  Lupinus lepidus var. confertus L. P. Janeway 1990-7-25 3816 Plumas Plumas National Forest. Open grassy meadow flats on NE side of Middle Fork Feather River at Mohawk. 1325 Comment
  UC83103  Lupinus lepidus var. confertus D. Cleveland 1882-7-21 135 Plumas Prattville; Prattville, Garden Enclosure Comment
  CDA27457  Lupinus lepidus var. confertus T. C. Fuller 1980-8-5 20298 Plumas South side of Main Street just west of Beckwourth-Genesee Road, Beckwourth. Comment
  UC1482892  Lupinus lepidus var. sellulus LeDoux, Dunn and Conrad 1973-6-5 1082 Plumas jct. Hwy 70 and Twain Road 1066 Comment
  UC566148  Lupinus lepidus var. sellulus E. Sawyer 1935-6-21 132 Plumas 4 1/2 mi nne Crow; Plumas National Forest, Sierraville Quad. Comment
  UCD108991  Lupinus nanus A. A. Heller 1913-6-13 10865 Plumas Quincy. 1066 Comment
  SEINET10451242  Lupinus onustus Patricia L. Kenney 1973-6-5 Kenney 437 Plumas Collected along a stream along hwy. 70, 6 Mi s from jct. Of hwy. 87 And 70. Douglas fir and yellow pine. 1067 Comment
  SEINET10490189  Lupinus polyphyllus subsp. superbus Taylor 1982-7-14 Taylor 4832 Plumas Almanor ne quad. Corolla deep blue. Near jct. Of 27n92 and 26n18 in long Valley around creek, ca 4 air mi w of greenville. With penstemon oreocharis, Achillea lanulosa. T.26n, r.9e, sec.7, ne 1/4 of sw 1/4. 1676 Comment
  SEINET10490882  Lupinus sellulus var. sellulus Taylor 1981-8-31 Taylor 4249 Plumas Sierra city ne quad. E side of rd 114, ca .5 mi n of its jct with hwy. 89, Ca 1.5 Mi e of clio. Associates: purshia tridentata, pinus ponderosa. 1433 Comment
  CHSC94143  Luzula cascadensis Lowell Ahart 2006-7-9 12932 Plumas In a small seep, in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  POM290431  Luzula comosa Lyman Benson 1932-7-29 4009 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CHSC96320  Luzula comosa var. laxa L. P. Janeway; B. Castro 2006-9-9 8879 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  JEPS28592  Luzula comosa var. laxa George W. Gillett 1957-7-13 751 Plumas Lassen Volcanic National Park. Across the creek from Devils Kitchen 1859 Comment
  JEPS88180  Luzula divaricata Vernon H. Oswald and Lowell Ahart 1996-8-14 8168 Plumas Silver Lake Rd. 1.9 mi se Silver Lake Campground (ne of Bucks Lake); northern High Sierra Nevada 1645 Comment
  CHSC44253  Lycopus uniflorus Vernon Oswald 1988-7-19 3601 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the east edge of the lake. 1676 Comment
  UCR70849  Lysimachia nummularia David D. Keck 1932-7-4 1627 Plumas N Sierra Nevada Mtns., Lake Almanor Road in the meadow at the city limits of Quincy. 1067 Comment
  CHSC113586  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC55797  Madia citrigracilis Vernon H. Oswald 1991-9-11 4871 Plumas Lassen Volcanic Park. Hot Springs Creek just downstream from the Ranger Station at Drakesbad. Along the edge of the creek. 1658 Comment
  RSA584783  Madia elegans subsp. elegans J. T. Howell 1961-9-25 36966 Plumas Sierra Nevada: Vinton 1507 Comment
  CAS-BOT-BC344468  Madia exigua Alice Eastwood 1927-6-11 s.n. Plumas Crescent Mills Comment
  CHSC100456  Madia glomerata Lowell Ahart 2008-9-10 15382 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  RSA716595  Madia glomerata L. Ahart, John Dittes 2005-9-19 12401 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  RSA769815  Madia glomerata L. Ahart 2008-9-10 15382 Plumas Sides of Onion Valley Creek, in northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1917 Comment
  UC249265  Madia glomerata H. E. Brown Aug. 1-15, 1897 619 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC342864  Madia glomerata Lowell Ahart 1977-9-10 s.n. Plumas Sutter Buttes Area. 2 miles west of PIlot Peak 1900 Comment
  CHSC103129  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16112 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC64827  Madia gracilis Vernon H. Oswald 1995-6-24 6905 Plumas High Cascade Range. Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  JEPS114379  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
  RSA795722  Madia gracilis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16226 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  UC1069886  Madia gracilis E. Sawyer 1935-6-27 178 Plumas 3.7 mi n Hawks; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC343259  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  RSA517334  Madia minima Barbara Ertter, Gary Schoolcraft 1987-6-17 7206 Plumas Ca. 1.5 air miles N of Chester. 1372 Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC53882  Malacothrix floccifera H. M. Hall and E. B. Babcock july, 1903 4433 Plumas Indian Valley Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC71085  Marsilea vestita John Thomas Howell 1962-6-19 37856 Plumas Alkaline Flat, 5.5 miles E. of Beckwourth 1493 Comment
  CHSC103140  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2009-9-7 16373 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC66612  Matricaria discoidea Vernon H. Oswald; Lowell Ahart 1996-7-15 8014 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Jeep road paralleling the lake. 1371 Comment
  CAS-BOT-BC348176  Matricaria discoidea David D. Keck 1932-7-3 1684 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC348177  Matricaria discoidea Alice Eastwood 1927-6-18 14695 Plumas United States Forest Reserve. Greenville Comment
  CHSC20814  Medicago sativa K. R. Stern 1975-7-24 5828 Plumas E shore of Lake Almanor. 1371 Comment
  CDA32502  Melica aristata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3351 Plumas 0.75 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  CAS-BOT-BC271801  Melica bulbosa John Thomas Howell; Gordon H. True; G. D. Barbe 1981-6-24 54269 Plumas Mt. Hough, Sierra Nevada 2203 Comment
  CHSC110264  Melica bulbosa L. P. Janeway 2012-6-2 10852 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  CAS-BOT-BC282087  Melica fugax John Thomas Howell; et al. 1968-6-11 2362 Plumas Butterfly Botanical Botanical Area and Vicinity. At confluence of Spanish Creek and Butterfly Creek Comment
  JEPS87748  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  JEPS87749  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  UCD87286  Melica fugax John Thomas Howell 1960-7-18 35603 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CDA32527  Melica subulata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3131 Plumas 3.25 miles west of Round Valley Reservoir Dam on Dixie Canyon-Round Valley Road, 1/4 mile east of junction with road to Canyon Dam (Lake Almanor) Comment
  JEPS106321  Melica subulata Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  JEPS95430  Melica subulata Lowell Ahart 1994-6-17 7355 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 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
  CHSC43302  Mentzelia dispersa Lowell Ahart 1975-7-20 912 Plumas On a steep mountain side, west of Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  SEINET3452358  Mentzelia dispersa G. Douglas Barbe, T. C. Fuller, J. T. Howell 1981-6-24 3233 Plumas West of Mountain Grizzly Peak, West of Mountain Grizzly Peak, 0.2 miles south of the junction of Mount Hough-Crystal Lake Road and China Grade. 3 Miles West of Mountain Grizzly Peak, 4.20 Miles South West of Taylorsville (added later by Bill Schmidt) 1730 Comment
  CHSC37656  Mentzelia laevicaulis T. B. Devine 1981-8-28 759 Plumas Beside Hwy 70 ca. 1/4 mi SW of Rock Creek powerhouse. 518 Comment
  SEINET195005  Mentzelia laevicaulis A. A. Heller 1937-8-25 16171 Plumas Along the Feather River near Bucks Creek Power House. Comment
  JEPS124809 Image available Mentzelia micrantha John Degenfelder 1969-6-26 17 Plumas In Sierra Valley About 2 miles east of Sierra - Plumas County line on Sattley-Beckworth Road. Comment
  RSA0015435  Menyanthes Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC52515  Mertensia ciliata var. stomatechoides L. P. Janeway 1990-6-27 3727 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  CHSC21820  Micranthes F. T. Griggs; A. Pass 1975-7-10 149 Plumas Bucks Lake. Comment
  CHSC98563  Micranthes aprica L. P. Janeway 2007-6-3 9016 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CHSC58044  Micranthes nidifica Vernon H. Oswald 1992-5-21 4949 Plumas Lassen Volcanic National Park. Warner Valley just east of the Ranger Station. Along a drainage between the road and Hot Springs Creek. 1639 Comment
  CHSC61059  Micranthes oregana Vernon H. Oswald; Lowell Ahart 1993-8-3 5763 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. 1926 Comment
  CAS-BOT-BC349347  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC349353  Microseris nutans E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake Comment
  CHSC21182  Microseris nutans F. T. Griggs; A. Pass 1975-7-16 189 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC39372  Microseris nutans L. Ahart; P. Ahart 1983-8-17 4326 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CHSC72442  Microseris nutans L. P. Janeway 1998-6-23 5652 Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. Ridge top. 1676 Comment
  CAS-BOT-BC349350  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Sierra Nevada Mountains. Engelmine-Diamond Peak Road 1828 Comment
  CHSC116571  Microsteris gracilis L. P. Janeway; Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  SEINET194971  Microsteris gracilis A. A. Heller 1938-5-21 15101 Plumas Just N of Chester 1305 Comment
  POM147143  Microsteris gracilis subsp. humilis Alice Eastwood 1927-06 14663 Plumas Long Valley. United States Forest Reserve. Comment
  SEINET10902909  Microsteris gracilis subsp. humilis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3876 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CHSC81629  Mimetanthe pilosa Lowell Ahart 2001-10-8 9303 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  JEPS122101  Mimulus lewisii Lowell Ahart 2014-8-24 19754 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
  UC917314  Mimulus moniliformis J. M. Tucker 1948-7-25 1739 Plumas sw side Camel Peak (at mine of United Mining Company); Pinchard Creek 1524 Comment
  UC726948  Mimulus moniliformis A. A. Heller 1942-8-14 16522 Plumas above Sulphur Works Checking Station (near the Brokeoff Trail); Lassen Park Comment
  CHSC73444  Mimulus moschatus B. Castro; L. Gehrung 1995-8-31 609 B Plumas Mosquito Flats Meadow. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd23N18. Towards S end of meadow. 1676 Comment
  RSA169401  Mimulus moschatus L. S. Rose 1963-6-2 63081 Plumas 4 mi. w. of Virgilia. East branch, North Fork of Feather River. 762 Comment
  RSA80073  Mimulus moschatus F. W. Peirson 1932-7-19 10347 Plumas Along Feather River near Chester. 1463 Comment
  CHSC34277  Mimulus nanus var. mephiticus M. S. Taylor 1981-5-10 3664 A Plumas N side of Genesee Valley Rd, ca. 5 mi e of Genesee. 1280 Comment
  JEPS79147  Mimulus pygmaeus L. R. Heckard with R. Bacigalupi 1980-6-12 5250 Plumas w Lake Almanor (along Highway 89 at North Humbug-Humboldt Cross Rd.) 1371 Comment
  RSA272552  Mimulus torreyi Porter Lowry 1977-7-5 827 Plumas Jct of State Hwys 36 and 89. Comment
  SEINET7718092  Monardella Unknown Plumas Big Meadows Comment
  CDA40934  Monardella follettii James D. Jokerst, R. A. Schlising, & L. Ahart 1985-8-12 2554 Plumas Rich Gulch Road, 3.0 miles north of Highway 70 on slope west of and adjacent to road (26N22) south of Red Mountain turnoff. 0 Comment
  SEINET10961425  Monardella follettii A. Graff 1993-7-23 Graff 339 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  SEINET10498941  Monardella odoratissima subsp. glauca Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3897 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  CHSC92136  Monardella odoratissima subsp. pallida Lowell Ahart; John Dittes 2005-9-20 12433 Plumas On the east side of Mud Lake, anout 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2034 Comment
  CAS-BOT-BC220493  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy 1768 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
  CHSC67979  Monardella sheltonii James D. Jokerst 1989-7-3 3119 Plumas Caribou Rd. 3.8 mi N of Hwy. 70, W of road. Comment
  CAS-BOT-BC220490  Monardella sheltonii A. A. Heller; P. B. Kennedy 1907-7-12 8824 Plumas Near Greenville Comment
  SEINET10961426  Monardella sheltonii A. Graff 1993-7-22 Graff 320 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, 1.15 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on the right roadside. T25N,R7E,S13. Past flowering. Comment
  CDA14594  Montia chamissoi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3078 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC33602  Montia chamissoi M. S. Taylor; M. Foster 1981-6-8 3864 Plumas In wet meadow along creek, ca. 1/4 mi s of jct of 24N08 and 25N93, ca. 1 air mi nw of Bagley Pass, ca. 0.5 mi s of Red Clover Valley. 1737 Comment
  CHSC34270  Montia chamissoi M. S. Taylor 1981-5-10 3677 Plumas E side of Antelope Lake, in and around large wet meadow where Pioneer Cabin is located, ca. 20 air mi ne of Taylorsville. 1536 Comment
  CHSC64454  Montia chamissoi B. Castro; L. Gehrung 1994-8-4 541 Plumas Ca 1.1 air mi SSE of Bucks Lake, ca 100 ft S of the Oro-Quincy Hwy, along the N-trending drainage E of Daniel's Ck (named S. Fork Haskins Ck on some maps). 1633 Comment
  UC83805  Montia chamissoi T. S. Brandegee 1892-7-3 Plumas Prattville Comment
  CHSC60552  Montia linearis L. P. Janeway 1992-5-14 4176 Plumas Plumas National Forest. Beckwourth Ranger District. Westside Compartment. North side of Big Grizzly Creek at nortwest end of Lake Davis. 1764 Comment
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  SEINET5336650  Montia linearis A. A. Heller, P. B. Kennedy 1907-7-4 8731 Plumas Meadow two miles south of Red Clover Valley Comment
  CAS-BOT-BC445192  Montia parvifolia Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River Region Comment
  UC1586456  Muhlenbergia andina Vernon H. Oswald and Lowell Ahart 1991-7-30 4797 Plumas ca 6 mi (air) ene Humbug Summit (12 mi (air) s of Chester, w side of valley, within fenced enclosure at springs); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC267016  Muhlenbergia filiformis Roxana S. Ferris; Laura Lorraine 1941-8-9 10441 Plumas About 2.5 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester Comment
  CAS-BOT-BC267017  Muhlenbergia filiformis Malcom A. Nobs; S. Galen Smith 1949-8-18 1367 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  POM114421  Muhlenbergia filiformis Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CHSC55675  Myosotis discolor K. R. Stern 1985-6-25 8278 Plumas Vicinity of Blairsden. 1402 Comment
  RSA6245  Myosotis discolor D. D. Keck 1932-7-3 1670 Plumas Along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  UC501387  Myosotis discolor David D. Keck Jul 3 1932-Jul 5 1932 1670 Plumas along rd. to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  JEPS109611  Myosotis scorpioides Dean W. Taylor 2002-6-19 18165 Plumas drainage ditch forming part of Clear Stream, on the far western edge of Quincy, between the Gold Pan Motel and the fule depot, north side of Highway 70 1036 Comment
  SD46645  Myosotis scorpioides Robert J. Weatherby 1950-7-2 1443 Plumas Mill Creek, East Quincy 1064 Comment
  CAS-BOT-BC392268  Myosurus apetalus John Thomas Howell 1962-6-19 37865 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  UCSC000283  Myosurus minimus subsp. minimus J. G. Lemmon 1889-5-20 s.n. Plumas Sierra Valley, Plumas or Sierra County Comment
  CDA37368  Myriophyllum hippuroides B. Villegas 2008-7-24 s.n. Plumas Indian Creek, south of Crescent Mills, near County Road A22. 0 Comment
  CHSC49676  Najas flexilis Vernon Oswald 1988-7-19 3600 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  CHSC63634  Nama lobbii B. Castro; R. Zebell 1989-7-20 324 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1524 Comment
  CDA12051  Narthecium californicum G. F. Hrusa, J. Dinsdale 1989-6-27 7217 Plumas Sierra Nevada; Butterfly Botanical Area, Butterfly Valley approx. 10 miles NW of Quincy. Plumas National Forest. Comment
  CHSC32023  Narthecium californicum L. Ahart 1974-8-7 595 Plumas Near Ohio Ravine, ca. 10 mi s of Bucks Lake, ca. 3 mi above Cold Water Creek. 1524 Comment
  UCD106106  Navarretia capillaris John Thomas Howell 1960-7-18 35600 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA101450  Navarretia capillaris R. Weatherby 1955-7-2 1588 Plumas Wilcox Valley. 1768 Comment
  CHSC97581  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes 2007-6-16 14095 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
  CDA18455  Navarretia divaricata subsp. vividior G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3181 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  JEPS124119  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  JEPS118685  Navarretia divaricata var. vividior L. P. Janeway 2011-7-6 10497 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir; 4.2 air km north-northeast of La Porte. La Porte 7.5' quad. Comment
  CDA13363  Navarretia leptalea subsp. bicolor G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13212 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
  SD133960  Navarretia leptalea subsp. leptalea Barbara Ertter 1989-7-4 8681 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester 1463 Comment
  UC572508  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas nw of Beckwith Buttes (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  SJSU6438  Navarretia leucocephala subsp. minima N. A. Hopkins 1971-6-19 403 Plumas 7 mi S of Beckwourth 1524 Comment
  SEINET10938896  Nemacladus capillaris Howell 1967-7-11 Howell 43281 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CHSC76136  Nemophila pedunculata G. F. Hrusa 1997-5-30 13820 Plumas W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  OBI13907  Nemophila pedunculata Lewis S. Rose 1967-5-7 67062 Plumas 3 mi W of Keddie. Butterfly valley 945 Comment
  UC584312  Nemophila pedunculata G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2141 Plumas 2 mi e Beckwith Peak (western edge of Sierra Valley); western edge Sierra Valley, e of Beckwith Peak 1524 Comment
  UC178303  Nicotiana quadrivalvis var. quadrivalvis Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC400102  Nuphar polysepala Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC327729  Oreostemma elatum John Thomas Howell 1924-8-19 618 Plumas Butterfly Valley near Quincy Comment
  JEPS35447  Orobanche californica subsp. grayana J. G. Lemmon 1874-1 Plumas Sierra Valley. Comment
  CHSC34861  Orogenia fusiformis M. S. Taylor 1981-5-8 3657 Plumas At jct of rds 26N18, 26N92, 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  SEINET11131842  Orogenia fusiformis T. Ramelli 1948-4-18 5 Plumas 8 miles north of Vinton 1707 Comment
  SEINET10964379  Orthocarpus copelandii var. cryptanthus Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3881 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
  RSA516531  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-17 193 Plumas Lassen Volcanic State Park. Near State Highway 89, 2 mi below sign marking trail to Bumpas Hell. Comment
  JEPS113822  Osmorhiza chilensis Lowell Ahart, Josephine Guardino 2007-7-21 14373 Plumas Around pine trees, near a small dry drainage, about 20 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  UCR115323  Osmorhiza chilensis G. D. Barbe, T. C. Fuller 1982-7-15 3742 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  CDA18594  Osmorhiza occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3271 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, nr. junction with China Grade. 2042 Comment
  CHSC34286  Packera eurycephala var. lewisrosei M. S. Taylor 1981-5-11 3686 Plumas N side of Hwy 70, in Serpentine Canyon, 2 mi w of Virgilia. 853 Comment
  CHSC97548  Packera pauciflora Lowell Ahart; John Dittes 2007-6-17 14152 Plumas Meadow, east of a small stream, about 200 yards south 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-BC28842  Paeonia brownii James R. Shevock 1985-5-19 11159 Plumas 1.2 miles N of Chilcoot on road to Frenchman Reservoir 1600 Comment
  POM161729  Paeonia brownii R. C. Bacigalupi 1927-7-12 1729 Plumas Along Little Gray Eagle Creek near Lakes Center Camp. Gold Lakes Region. 1890 Comment
  SEINET10537846  Paeonia brownii Mary Susan Taylor 1981-6-17 Taylor 3927 Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  RSA716418  Panicum capillare L. 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. 2077 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
  RSA59316  Parnassia fimbriata E. K. Balls 1950-9-12 15878 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County 2012 Comment
  CHSC115791  Parnassia palustris Lowell Ahart; John Deurloo 2015-8-25 20524 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  SJSU13870  Parnassia palustris N. A. Hopkins 1985-8-27 1323 Plumas Grass Lake 1786 Comment
  RSA467333  Parnassia palustris var. californica Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  CHSC66769  Pectiantia breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8153 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC2455  Pectiantia pentandra R. Carter 1965-7-2 285 Plumas Green Island L., on E shore of lake where stream empties into lake, growing wet meadow beside stream. 1828 Comment
  JEPS23105  Pedicularis attollens H. L. Mason 1924-6-26 Plumas Blairsden Comment
  UC1125716  Pedicularis attollens A. Lewis 1934-6-12 482 Plumas Little Grass Valley; Plumas National Forest 1524 Comment
  UC174565  Pedicularis attollens A. A. Heller with P. B. Kennedy 1907-7-9 8795 Plumas Prattville Comment
  UC1080380  Pedicularis densiflora E. K. Balls 1957-5-23 22519 Plumas sw shore of Lake Almanor (2 mi s of junction of State Hwys 89/36) 1402 Comment
  CHSC4732  Pedicularis racemosa R. Carter 1966-7-10 483 Plumas Found on S shore Bucks Lake along S side 24N25, 3/4 mi. from intersection with 24N33. 1524 Comment
  CHSC63226  Pedicularis racemosa Lowell Ahart 1994-7-28 7534 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UC384662  Pedicularis racemosa E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  UC485726  Pedicularis semibarbata H. E. and S. T. Parks 1928-6-20 237 Plumas e side of Mount Lassen (Drakesbad) Comment
  CHSC32045  Pellaea brachyptera L. Ahart 1975-8-29 968 Plumas On ridge between Oxford and Coquette Creeks, ca. 10 mi s of Bucks Lake. 1828 Comment
  UCR95855  Pellaea brachyptera Mrs. R. M. Austin 1877-1 s.n. Plumas [Northern Sierra Nevada Mtns.] 1880 Comment
  JEPS35117  Pellaea brachyptera Geo. E. Davenport and Mrs. R. M. Austin 1877-1 Plumas Comment
  CAS-BOT-BC67613  Pellaea bridgesii Anna Head 1921-6-30 s.n. Plumas Feather River Region - Lake Center Camp Comment
  RSA71132  Penstemon deustus subsp. deustus L. S. Rose 1951-6-28 51065 Plumas Johnsville. 1601 Comment
  CHSC117446  Penstemon deustus var. suffrutescens Lowell Ahart 2016-6-29 21075 Plumas East part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  NY609825  Penstemon deustus var. suffrutescens F. S. Crosswhite 1960-6-8 930 Plumas Plumas National Forest, 1 mile south of Indian Falls 1158.2 Comment
  CDA14722  Penstemon gracilentus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3244 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CDA41880  Penstemon gracilentus L. Ahart, John Dittes 2005-9-2 12449 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
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Oct 5 2019
  CHSC49027  Penstemon gracilentus Vernon Oswald 1983-8-4 962 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 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
  UC103030  Penstemon gracilentus Mrs. R. M. Austin July 1896 360 Plumas Lassens Peak Comment
  NY600757  Penstemon gracilentus S. L. Welsh 2001-6-14 28143 Plumas Forest service road, ca. 5 miles south of Milford 1791.9 Comment
  POM195090  Penstemon gracilentus D. D. Keck 1930-7-24 968 Plumas Prattville. 1341 Comment
  POM255777  Penstemon gracilentus Marion Ownbey, Ruth P. Ownbey 1938-7-14 1739 Plumas Below Humboldt Summit, Sierra Nevada. Comment
  UC1949178  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt peak ca 7 airmiles S of Susanville; below snowbank on N face Comment
  UC2027984  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt Peak ca. 7 air miles S of Susanville. Comment
  UCR78374  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock Lookout, c. 8 mi south of Susanville 2256 Comment
  CAS-BOT-BC27139  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  CHSC65517  Penstemon neotericus L. P. Janeway 1995-7-29 4883 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between Rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  NY627287  Penstemon neotericus R. M. Austin 1878-1 s.n. Plumas Comment
  SFV17480  Penstemon neotericus P. Wilson 1998-7-19 3537 dup. Plumas Sierra Nevada Highway 147 about 2 miles west of Clear Creek. 1500 Comment
  UCD169399  Penstemon neotericus L. P. Janeway 2001-8-5 7421 Plumas High Cascade Range. Top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1445 Comment
  NY627279  Penstemon neotericus D. D. Keck 1932-7-6 1713 Plumas Sierra Nevada; 8 miles north of Greenville on road to Prattville 1463.0 Comment
  UC501398  Penstemon neotericus David D. Keck 1932-7-6 1713 Plumas on road to Prattville 8 mi n Greenville; Sierra Nevada, n of Greenville 1463 Comment
  CHSC21350  Penstemon newberryi F. T. Griggs; A. Pass 1975-8-6 311 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET10548067  Penstemon newberryi Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4329 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  RSA71285  Penstemon newberryi subsp. newberryi L. S. Rose 1951-6-28 51053 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  RSA17708  Penstemon newberryi subsp. newberryi Elmer I. Applegate 1934-5-3 8908 Plumas Near and west of Meadow Valley. Comment
  RSA79803  Penstemon newberryi subsp. newberryi F. W. Peirson 1926-6-22 6814 Plumas Drakesbad, Lassen National Park. 1677 Comment
  CAS-BOT-BC239308  Penstemon newberryi var. berryi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade Comment
  JEPS15157  Penstemon newberryi var. newberryi A. E. Wieslander 1927-7-10 16 Plumas between Gold and Silver Lakes Comment
  CHSC88837  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1371 Comment
  CHSC89020  Penstemon personatus L. Hanson 1988-9-7 332 Plumas Plumas National Forest. Big Creek Junction. 1463 Comment
  UCD158859  Penstemon personatus G. Ledyard Stebbins; W. D. Dakan 1970-7-5 s.n. Plumas 1 mile southeast of Mount Ararat, along Little Bear Creek. 1524 Comment
  CDA13929  Penstemon roezlii G. F. Hrusa 1997-5-3 13854 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CHSC60155  Penstemon roezlii L. P. Janeway 1992-6-8 4222 Plumas Plumas National Forest. About 3 mi south of Hwy 70/89 at Lee Summit. 1359 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
  UC335600  Penstemon roezlii J. G. Lemmon July 1883 Plumas Indian Valley Comment
  CAS-BOT-BC239586  Penstemon rydbergii var. oreocharis Fred Sommers; Greg Sommers 1976-6-11 131 Plumas Sierra Valley Marsh. 300 meters southeast of Metal Bridge 1524 Comment
  CAS-BOT-BC239587  Penstemon rydbergii var. oreocharis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633 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
  CAS-BOT-BC239607  Penstemon rydbergii var. oreocharis John Thomas Howell 1962-6-18 37736 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC33606  Penstemon rydbergii var. oreocharis M. S. Taylor; M. Foster 1981-6-10 3888 Plumas In Red Clover Valley, Overland Inc Ranch, ca. 300 yds se of corral, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckworth. 1676 Comment
  CHSC97592  Penstemon rydbergii var. oreocharis Lowell Ahart; John Dittes 2007-6-16 14113 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  NY651285  Penstemon rydbergii var. oreocharis A. A. Heller 1907-7-9 8780 Plumas Prattville Comment
  UC1032473  Penstemon rydbergii var. oreocharis E. Sawyer 1935-6-13 100 Plumas 4 mi ese Beckwith Butte; Sierraville Quad. 1493 Comment
  SEINET5329701 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-9 8780 Plumas Prattville Comment
  JEPS15474  Penstemon speciosus Joseph and Hilda W. Grinnell 1938-6-11 1091 a Plumas Mohawk 1341 Comment
  CHSC60594  Perideridia bolanderi subsp. bolanderi L. P. Janeway 1989-6-23 3392 Plumas Plumas Nationa Forest. Beckwourth Ranger District. Upper slope overlooking Crocker Creek from the east. 1767 Comment
  CHSC96928  Perideridia bolanderi subsp. bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14038 Plumas Open rocky flat, along the east side of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS113607  Perideridia bolanderi subsp. bolanderi Lowell Ahart, John Dittes 2007-6-16 14146 Plumas On dry gravelly soil, on a low rocky open hill, west of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  POM180937  Perideridia bolanderi subsp. bolanderi A. A. Heller, P. B. Kennedy 1907-7-4 8724 Plumas Ridge east of Red Clover Valley Comment
  SDSU2359  Perideridia gairdneri R. M. Beauchamp 1965-7-17 Plumas By the Feather River, 1/2 mile north of Chester. Comment
  RSA754539  Perideridia lemmonii L. Ahart, John Dittes 2009-7-28 16203 Plumas Near seeps, slope NW of mine, W (above) Forest Service Road 27N28Y, 2.9 air miles NW of Butt Valley Reservoir Dam. 1582 Comment
  OBI8819  Perideridia parishii Lewis S. Rose 1966-7-27 66066 Plumas Butterfly Valley, 3 mi w of Keddie 1067 Comment
  CHSC34360  Perideridia parishii subsp. latifolia M. S. Taylor 1981-7-17 4030 Plumas Lakes Basin, Bear Lakes trail, ca. 1/4 mi of the trailhead, ca. 6 air mi s of Mohawk. 1950 Comment
  CAS-BOT-BC413730  Persicaria hydropiper John Thomas Howell 1961-9-23 36847 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC413733  Persicaria hydropiper Lowell Ahart 1981-9-6 3069 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC113624  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS122305  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC419231  Persicaria maculosa Lowell Ahart 1981-9-6 3096 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419235  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CHSC82629  Phacelia heterophylla subsp. virgata L. P. Janeway 2001-7-3 7264 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CHSC91803  Phacelia heterophylla subsp. virgata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16317 Plumas Northern Sierra Nevada. Willow Creek Rd. 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  JEPS113466  Phacelia heterophylla subsp. virgata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14018 Plumas Around trees, east side of an open rocky flat, along the edge of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS2083  Phacelia heterophylla subsp. virgata W. L. Jepson 1910-6-16 4138 Plumas near Keddie 1066 Comment
  JEPS26736  Phacelia heterophylla subsp. virgata P. C. Hutchison 1961-6-9 2124 Plumas along Hwy US Alt. 40 1.8 mi above Rich Bar junction; canyon of the North Fork of the Feather River Comment
  RSA189323  Phacelia heterophylla subsp. virgata L. S. Rose 1967-7-12 67171 Plumas 1 mile S of Keddie; Butterfly Creek & Spanish Creek. 884 Comment
  UC586854  Phacelia heterophylla subsp. virgata Joseph Andorfer Ewan 1934-6-25 8229 Plumas Gold Lake Rd above Duetens; Sierra Nevada Comment
  RSA726372  Phacelia humilis L. Ahart, John Dittes, Josephine Guardino 2007-6-8 14005 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CHSC112609  Phacelia imbricata subsp. imbricata Lowell Ahart 2013-9-11 19033 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  UC660079  Phacelia mutabilis Alan A. Beetle 1941-6-28 2778 Plumas w side Lake Almanor (open meadow) Comment
  CHSC102578  Phacelia procera L. P. Janeway; B. Castro 2009-7-18 9860 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  CHSC73782  Phacelia procera B. Castro; L. Gehrung 1998-9-22 840 Plumas Near NW edge of Little Grass Valley Reservoir, on shaded SE-facing slope above Black Rock Inlet. 1722 Comment
  JEPS1049  Phacelia racemosa W. L. Jepson 1910-6-9 4104 Plumas near Lassen Peak (mt. slopes); Hot Springs Valley 1950 Comment
  CAS-BOT-BC154288  Phacelia ramosissima Clare B. Hardham 1975-8-2 20481 Plumas Black Mt. 2133 Comment
  UC569817  Philadelphus lewisii G. T. Nordstrom 1934-7-2 166 Plumas one mi se Mount Ararat; Bidwell Bar Quadrangle 1584 Comment
  CAS-BOT-BC260848  Phleum pratense John Thomas Howell 1959-9-21 34725 Plumas Belden, Sierra Nevada 701 Comment
  CDA17251  Phleum pratense G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16278 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC55645  Phleum pratense K. R. Stern 1985-6-25 8307 Plumas Vicinity of Blairsden. 1402 Comment
  RSA603266  Phleum pratense Joseph A. Ewan 1934-7-19 8246 Plumas in barnyard of valley floor Dentens, Mohawk Valley 1616 Comment
  SJSU15157  Phlox diffusa N. A. Hopkins 1993-6-16 1731 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CHSC53208  Phlox diffusa subsp. diffusa L. P. Janeway 1989-6-26 3400 Plumas Ridgetop between Crocker Mdw and the head of Mapes Cyn. 1813 Comment
  JEPS127322  Phlox douglasii Lowell Ahart 2016-6-29 21070 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SBBG6055  Phlox speciosa H. and M. Dearing 1939-5-9 3320 Plumas near Quincy Comment
  CHSC89282  Phlox speciosa subsp. occidentalis G. Douglas Barbe; T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  RSA685107  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3697 Plumas 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Road 26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest 1494 Comment
  UC1124210  Phlox speciosa subsp. occidentalis E. Sawyer 1935-5-21 19 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1584 Comment
  RSA114445  Phlox speciosa subsp. occidentalis E. K. Balls, Lee W. Lenz 1955-5-14 20711 Plumas 3.1 miles N of Greenville on road to Lake Almanor Hwy 89. 1159 Comment
  RSA39890  Phlox speciosa subsp. occidentalis P. A. Munz 1947-5-16 11832 Plumas 8 miles north of Chilcoot. 1524 Comment
  CHSC35266  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas On top of hill, n and ne side on w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  UC570262  Phoradendron juniperinum C. W. Hanks 1934-9-10 77 Plumas s. end Dixie Valley; Sierraville Quad., Dixie Valley 1950 Comment
  CAS-BOT-BC58840  Phyllodoce breweri Anna Head 1920-7-15 s.n. Plumas Feather River Region - Peak above Round Lake 2286 Comment
  CHSC21721  Phyllodoce breweri F. T. Griggs; A. Pass 1975-7-23 249 Plumas Cape Lake. Comment
  UC571046  Phyllodoce breweri H. L. Mason 1924-6-19 1074 Plumas Bear Lake Comment
  CAS-BOT-BC78467  Pinus contorta subsp. murrayana M. B. Kildale 1926-9-10 2762 Plumas Juniper Lake, Lassen Natl. Park 2054 Comment
  UC485734  Pinus contorta subsp. murrayana H. F. Copeland 1932-8-24 Plumas Drakesbad Comment
  UC1362003  Pinus jeffreyi R. A. Cockrell 1940-7-31 8552 Plumas ca 1 mi ne Silver Lake; Meadow Valley 1615 Comment
  CAS-BOT-BC73083  Pinus lambertiana John Thomas Howell 1960-7-20 35751 Plumas Lassen Volcanic National Park, Boiling Springs Lake. 1798 Comment
  SEINET5334638  Pinus lambertiana R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  RSA443112  Pinus monticola L. Ahart, J. Jokerst 1985-10-4 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1829 Comment
  CHSC33824  Pinus ponderosa M. S. Taylor 1981-5-14 3720 Plumas Walker Plains, both sides of Oroville-Quincy Hwy, ca. 0.5 mi s of Four Trees Rd jct, on Butte-Plumas county line. 1524 Comment
  NY42445  Pinus ponderosa J. B. Walker 1994-8-1 861 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
  RSA286275  Piperia transversa Robert F. Thorne 1974-7-30 45016 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CHSC2381  Piperia unalascensis R. Carter 1964-7-4 142 Plumas One mile N of Green Island L. along Calif. Riding and Hiking Trail. 1706 Comment
  UC127441  Plagiobothrys A. A. Heller with P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Peckwith Comment
  CHSC102436  Plagiobothrys bracteatus L. P. Janeway; B. Castro 2009-6-7 9800 A Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 125 m southwest of Thompson Valley Creek. 1670 Comment
  CAS-BOT-BC230960  Plagiobothrys hispidulus John Thomas Howell 1962-6-19 37874 Plumas 5.8 miles E of Beckwourth 1493 Comment
  CAS-BOT-BC230971  Plagiobothrys hispidulus Lowell Ahart 1985-7-11 5141 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  JEPS127320  Plagiobothrys hispidulus Lowell Ahart 2016-6-29 21057 Plumas About 1/2 mile southeast o Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC230963  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37819 Plumas Sierra Valley, 5 miles S of Beckwourth 1493 Comment
  CAS-BOT-BC230975  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 s.n. Plumas About 2 miles W of Pilot Peak, along road to Cleghorn Bar. About 12 miles N of La Porte 1800 Comment
  CAS-BOT-BC228460  Plagiobothrys mollis John Thomas Howell 1973-7-9 49708 Plumas Crescent Mills 1066 Comment
  SEINET10497115  Plagiobothrys scouleri Lowell Ahart 1985-7-11 Ahart 5141 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
  RSA718443  Plagiobothrys scouleri var. hispidulus L. Ahart 2006-7-9 12926 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  JEPS110521  Plantago major Lowell Ahart 2006-10-23 13482 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley 1281 Comment
  CDA13420  Platanthera leucostachys G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13268 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CHSC6557  Platanthera leucostachys R. Carter 1966-7-10 477 Plumas Found 1 mi. N Bucks Summit on W side Oroville-Quincy Rd., ca. 12 mi. W of Quincy. 1615 Comment
  UC924256  Platanthera leucostachys H. S. Reed 1941-8-2 Plumas Forest Lodge 1036 Comment
  CHSC117555  Pleuricospora fimbriolata Lowell Ahart 2016-7-9 21097 Plumas South of a small meadow, south of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  CAS-BOT-BC261021  Poa John Thomas Howell 1959-9-21 34723 A Plumas Belden, Sierra Nevada 701 Comment
  SEINET10506955  Poa Mary Susan Taylor 1981-5-14 Taylor 3722 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  CHSC91944  Poa bolanderi Lowell Ahart; Josephine Guardino 2005-8-9 12278 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS106232  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  RSA795726  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas East 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
  HSC10660  Poa bulbosa J. R. Bernard 1963-5-5 Plumas 5 mi. up the Feather River Canyon from Beldon. Comment
  RSA716419  Poa palustris L. Ahart 2005-9-19 12371 Plumas on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2077 Comment
  CAS-BOT-BC247378  Poa pratensis Lowell Ahart 1981-7-21 2961 Plumas Near tunnel gold mine on Buzzards Roost Ridge, ca. 0.25 mi. E of the road, ca. 1.25 mi. N of Pilot Peak 2000 Comment
  CAS-BOT-BC247380  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 miles west of Chester on rte. 36 1828 Comment
  CAS-BOT-BC247383  Poa pratensis Alice Eastwood 1927-6-18 14495 Plumas Forest Lodge, near Greenville Comment
  CDA14144  Poa pratensis G. F. Hrusa 1997-5-3 13834 Plumas Sierra Nevada; Rhizomatous perennial, scattered on open sites along Rattlesnake Creek creekbed, but not in wet areas. E side of Rattlesnake Ck., S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC87984  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11165 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
  UC1132726  Poa pratensis subsp. pratensis C. G. Albertus 1935-7-20 214 Plumas 1 1/2 mi sw Lava Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  CDA12146  Poa secunda G. F. Hrusa, J. Dinsdale 1989-6-25 7196 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CAS-BOT-BC247060  Poa secunda subsp. juncifolia John Thomas Howell 1955-7-19 30785 Plumas Vinton 1505 Comment
  CAS-BOT-BC242960  Poa secunda subsp. secunda L. W. Swift No date on label 75 Plumas Squaw Valley 1767 Comment
  CAS-BOT-BC242963  Poa secunda subsp. secunda David D. Keck 1944-7-8 5441 Plumas S end of Lake Almanor, E side of dam 1341 Comment
  CAS-BOT-BC242971  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242975  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas W side of Highway 89 to Truckee, 1 mile S of Graeagle Comment
  CHSC57467  Poa secunda subsp. secunda L. P. Janeway; Garrett Gibson 1991-6-24 4059 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  UC1132774  Poa secunda subsp. secunda E. Sawyer 1935-5-21 5 Plumas 3/4 mi wsw Beckwith; Sierraville Quadrangle Comment
  UCD32540  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  SEINET7294077 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 8751 Plumas Red Clover valley Comment
  CHSC72476  Poa wheeleri L. P. Janeway 1998-6-24 5684 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  CHSC112517  Polemonium occidentale subsp. occidentale L. P. Janeway 2014-7-15 11532 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
  UC909010  Polemonium occidentale subsp. occidentale Herbert L. Mason 1924-6-15 1038 Plumas Graeagle , Graeagle (South Bank Feather River) Comment
  UC161971  Polyctenium fremontii Katharine Brandegee 1911-7-20 Plumas Portola Comment
  SEINET10479601  Polygonum amphibium var. emersum Mary Susan Taylor 1982-8-9 Taylor 4956 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  UC1075657  Polygonum amphibium var. stipulaceum Robert J. Weatherby 1950-7-7 1463 Plumas Snake Lake Quincy 1219 Comment
  RSA52850  Polygonum arenastrum R. Weatherby 1950-7-21 1468 Plumas East Quincy. 1037 Comment
  CAS-BOT-BC414549  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC414574  Polygonum douglasii George W. Gillett 1957-7-18 821 Plumas Lassen Volcanic National Park. North end of Willow Lake Meadow, near the main inlet 1661 Comment
  RSA0118634  Polygonum douglasii Lowell A. Ahart 2014-8-24 19744 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air), north of La Porte. 1533 Comment
  CAS-BOT-BC414552  Polygonum douglasii John Thomas Howell 1974-9-20 50889 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CHSC53209  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-6-14 3305 Plumas Plumas National Forest Beckwourth Ranger District. Forest along S'ly side of Red Clover Valley. 1699 Comment
  CHSC92182  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes 2005-9-19 12403 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
  JEPS102398  Polygonum douglasii subsp. douglasii Lowell Ahart 2001-7-17 8917 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS114557  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC40622  Polygonum douglasii subsp. johnstonii Lowell Ahart; Jim Jokerst 1985-10-4 5193 Plumas Along the road, south of where the road crosses Onion Valley Creek at Onion Valley, about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  JEPS113665  Polygonum douglasii subsp. spergulariiforme Lowell Ahart, Josephine Guardino 2007-7-20 14315 Plumas Along a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  SEINET4335414  Polygonum kelloggii var. kelloggii W. Harnach, N. Harnach 1990-5-25 323 Plumas Sierra Valley, Marble Lane, approx 0.75 mile west of bridge. 1486 Comment
  NY412746  Polygonum minimum R. M. Austin 07 1877 s.n. Plumas Spanish Peak Comment
  RSA0105473  Polygonum minimum Lowell Ahart 2014-8-31 19800 Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CAS-BOT-BC419838  Polygonum parryi Walter Knight; Irja Knight 1967-5-22 1909 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  RSA59255  Polygonum persicaria E. K. Balls 1950-8-31 15544 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CAS-BOT-BC419887  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1955-7-20 30869 Plumas Mohawk 1371 Comment
  JEPS86715  Polygonum polygaloides subsp. esotericum J. C. Hickman with Susan D'Alcamo 1989-7-4 Plumas 110 m se jct of Calpine-Beckworth Rd with Dyson Lane (s Plumas Co., w Sierra Valley); Sierra Valley Comment
  CAS-BOT-BC420045  Polygonum polygaloides subsp. kelloggii Mary Strong Clemens 1920-6-21 s.n. Plumas Quincy Comment
  CHSC101862  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15896 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area. 1421 Comment
  JEPS113644  Polygonum polygaloides subsp. kelloggii Lowell Ahart, John Dittes 2007-6-17 14089 Plumas Graded road gutter, east 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 1647 Comment
  CHSC81400  Polygonum ramosissimum subsp. prolificum Lowell Ahart 2001-9-18 9290 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC420148  Polygonum ramosissimum subsp. ramosissimum John Thomas Howell 1951-8-19 28192 Plumas Greenville 1097 Comment
  CAS-BOT-BC421032  Polygonum spergulariiforme Roxana S. Ferris; Laura Lorraine 1941-8-9 10425 Plumas At Lake Almanor Public Camp. (near village). Comment
  CAS-BOT-BC421044  Polygonum spergulariiforme Clare B. Hardham 1978-8-12 21818 Plumas West of Bagley Pass 2072 Comment
  CAS-BOT-BC237270  Polypogon monspeliensis John Thomas Howell 1961-9-24 36908 Plumas Feather River bed SW of Beckwourth 1487 Comment
  CHSC21314  Polystichum imbricans F. T. Griggs; A. Pass 1975-7-8 122 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC52720  Polystichum imbricans subsp. curtum L. P. Janeway 1990-8-3 3826 Plumas Along N Fk Feather River ca 100 ft S of Waller Cr and just NE of Gansner Bar. Plumas National Forest Quincy Ranger District. 701 Comment
  JEPS127190  Polystichum imbricans subsp. imbricans Lowell Ahart 2016-6-29 21058 Plumas About 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC65531  Polystichum lemmonii B. Castro; Gail Kuenster 1994-9-21 549 Plumas Ca 3 air mi S of Bucks Lake, ca 0.7 mi W of USFS Rd 23N18, near head of N-trending perennial creek which drains the NE corner of Red Mtn and feeds into Cedar Flat. 1755 Comment
  CHSC98323  Polystichum lemmonii L. P. Janeway 2007-6-3 9018 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CHSC89027  Polystichum munitum H. Gray 2004-3-4 Plumas Plumas National Forest. Hwy. 70. 609 Comment
  UC1351053  Populus tremuloides E. Fritz 1936-6-20 8226 Plumas Comment
  CAS-BOT-BC105582  Populus trichocarpa John Thomas Howell 1960-7-19 35701 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  CHSC7192  Populus trichocarpa Lynn R Thomas 1969-3-6 8 Plumas E side intersection of 4th St. and 3rd. Ave., 100 yds. W of N. Fork Feather River (s of Calif. 36), Chester. 1371 Comment
  SEINET10873430  Porterella carnosula Quick 1952-9-5 QUICK 52 -308 Plumas Wet place northwest of Almanor Comment
  CAS-BOT-BC445272  Portulaca oleracea John Thomas Howell 1977-8-11 52715 Plumas Bottom of Frenchmans Reservoir on east side near Big Cove 1706 Comment
  CHSC24276  Potamogeton foliosus K. R. Stern 1975-7-25 Plumas NW end of Lake Almanor. Comment
  CHSC46626  Potamogeton gramineus V. Oswald; L. Ahart, L. Hanson 1989-7-31 3908 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Edge of a bog. 1670 Comment
  CAS-BOT-BC453676  Potamogeton gramineus John Thomas Howell 1926-7-24 2108 Plumas Lake Almanor, near Prattville 1371 Comment
  CAS-BOT-BC453677  Potamogeton gramineus Thomas H. Kearney 1944-8-14 2 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC453790  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1421 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC453793  Potamogeton natans Virginia Moore 1964-8-2 s.n. Plumas On slope above Butterfly Valley Comment
  SEINET5712421 Image available Potamogeton natans Michelle Yeargan 1973-1 Y 072 Plumas 2 miles west of Keddie.; Keddie Comment
  CHSC34885  Potamogeton nodosus M. S. Taylor 1981-8-31 4261 Plumas Creek under RR tracks off spur rd 0.5 mi s of Hwy 70, near Mabie, ca. 3 mi w of Portola. 1463 Comment
  CHSC115833  Potamogeton richardsonii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20426 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Serive Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CAS-BOT-BC6235  Potentilla aperta Amos Arthur Heller; P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  CAS-BOT-BC540035  Potentilla biennis John Thomas Howell 1977-8-11 52687 Plumas Sierra Nevada, Canyon of Little Last Chance Creek, between Chilcoot and Frenchmans Reserovoir 1706 Comment
  SD129309  Potentilla glandulosa B. Pitzer, S. Morgan, H. Soldan 1988-5-29 955 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy 89 1829 Comment
  CHSC102654  Potentilla glandulosa subsp. ashlandica Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16143 Plumas On dry gravelly soil, bottom of a small wash, 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
  CHSC44971  Potentilla gracilis K. R. Stern 1985-6-25 8227 Plumas Vicinity of Blairsden. 1402 Comment
  SDSU9129  Potentilla gracilis var. fastigiata R. M. Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River 0.5 mile N of Chester. Comment
  CAS-BOT-BC158522  Potentilla millefolia A. A. Heller; P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CHSC53705  Potentilla millefolia L. P. Janeway 1989-7-18 3494 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.7 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. Along edge of meadow. 1706 Comment
  CHSC97031  Potentilla millefolia L. P. Janeway; B. Castro 2007-6-8 9034 Plumas Northern High Sierra Nevada. Central part of lower Thompson Valley about 20 m southwest of the creek; 1.5 km north of Red Clover Creek. 1670 Comment
  CDA40574  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131721 Plumas Quincy; Lee Road, site #1. 0 Comment
  CHSC66639  Potentilla rivalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8013 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a jeep road paralleling the lake. 1371 Comment
  RSA754541  Potentilla rivalis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CHSC97596  Poteridium annuum Lowell Ahart; John Dittes 2007-6-16 14147 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SBBG3117  Poterium sanguisorba H. and M. Dearing 1939-7-3 3814 Plumas Greenville Comment
  SD6643  Prunella vulgaris Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  CHSC13643  Prunella vulgaris var. lanceolata M. S. Taylor 1974-7-3 303 Plumas Abundant along roadside in vicinity of Fern Glen, ca. 1 mi s of Darlingtonia Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 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
  UCD130307  Prunella vulgaris var. lanceolata Albert Grigarick 2011-8-15 301 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. 7/8 miles W from Graeagle Trailhead to Hawley Falls. 1785 Comment
  RSA515723  Prunus emarginata B. Pitzer 1988-5-29 951 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
  SEINET7367843  Prunus emarginata A. A. Heller, P. B Kennedy 1907-7-15 s.n. Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  UCSB13454  Prunus virginiana var. demissa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC356504  Pseudognaphalium beneolens John Thomas Howell 1959-9-21 34797 Plumas Virgilia 841 Comment
  CHSC81097  Pseudognaphalium luteoalbum Lowell Ahart 2001-8-28 9221 Plumas Strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  JEPS107710  Pseudognaphalium thermale Lowell Ahart, John Dittes 2005-9-19 12405 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
  UC485670  Pseudognaphalium thermale H. M. Hall 1912-8-4 Plumas Marston Sierra Nevada Mountains, Marston Comment
  CDA18757  Pseudostellaria jamesiana G. D. Barbe, T. C Fuller 1982-7-16 3759 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
  UC1563940  Pseudostellaria jamesiana Barbara Ertter with Gary Schoolcraft 1989-7-3 8635 Plumas ca. 9 air mi s Susanville (near Bear Creek crossing on Lone Rock road); Diamond Mts., near Bear Creek crossing on Lone Rock road 1767 Comment
  RSA518740  Pseudostellaria jamesiana Barbara Ertter, Gary Schoolcraft 1989-7-3 8635 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts. ca. 9 airmiles S of Susanville. 1768 Comment
  CHSC98375  Pseudostellaria sierrae Dean Wm. Taylor 2004-5-26 19074 Plumas Round Valley Reservoir, along Forest Road 26N94Y 0.4 miles east of junction with County Road 204 (Dixie Canyon Road), eastern limits of Cherokee Mine (site). 1402 Comment
  RSA0006061  Pseudostellaria sierrae Richard K. Rabeler, Barbara Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Road), 1.95 mi N of CA 89, W of Crescent Mills. 1462 Comment
  CAS-BOT-BC80161  Pseudotsuga menziesii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2421 Plumas in vicinity of confluence of Spanish Creek & Butterfly Creek 883 Comment
  JEPS115099  Pseudotsuga menziesii var. menziesii Lowell Ahart, John Dittes 2009-7-13 16058 Plumas East side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  UC176750  Psilocarphus brevissimus var. brevissimus A. A. Heller and P. B. Kennedy 1907-7-2 8689 Plumas between Vinton Beckwith Comment
  CAS-BOT-BC72609  Pteridium aquilinum John Thomas Howell 1961-6-21 36675 Plumas Greenville 1097 Comment
  POM82029  Pteryxia terebinthina Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. On the Big Divide. 1829 Comment
  CAS-BOT-BC147874  Purshia tridentata var. tridentata Anna Head 1920-7-16 s.n. Plumas Peak above Round Lake, Feather River Region 2286 Comment
  CHSC109999  Purshia tridentata var. tridentata B. Castro; L. P. Janeway 2006-6-3 1535 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  JEPS113376  Purshia tridentata var. tridentata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14003 Plumas East side of an open rocky flat, 20 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UC1128544  Purshia tridentata var. tridentata E. Sawyer 1935-5-21 13 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1524 Comment
  SEINET10499007  Pycnanthemum californicum Mary Susan Taylor 1981-7-21 Taylor 4086 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CAS-BOT-BC462777  Pyrola dentata L. P. Janeway 1991-8-3 4108 Plumas Plumas National Forest, Beckwourth Ranger District, Threemile Compartment. Small drainage to Freeman Creek, 1.75 mi W of Smith Peak. 1965 Comment
  HSC22957  Pyrola dentata John Pratt 1970-7-19 74 Plumas 1982 Comment
  CDA14707  Pyrola picta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3212 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CHSC63460  Pyrola picta Lowell Ahart 1994-7-22 7507 Plumas Plumas/Sierra counties. On the south side of the Pacific Crest Trail, north of Mount Etna. 1981 Comment
  RSA0084316  Pyrola picta Diana D. Jolles 2011-8-9 471 Plumas Plumas National Forest, about 2.5 miles up forest road 77 to Dixie Mountain Lookout from Frenchman Lake Road (284). 1994 Comment
  CAS-BOT-BC466099  Pyrola picta Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1604 Plumas Butterfly Botanical Area and Vicinity; Fern Glen 1097 Comment
  CAS-BOT-BC362267  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1962-6-17 37716 Plumas Portola 1463 Comment
  CAS-BOT-BC328162  Pyrrocoma lucida E. K. Balls 1950-9-4 15578 Plumas Opposite Feather River Experiment Station across Highway 24, 4 miles north of Quincy 1066 Comment
  JEPS100332  Pyrrocoma lucida Dean W. Taylor 2001-7-19 17837 Plumas Doyle Grade 0.5 miles East of Meadow View Guard Station 1859 Comment
  UCR89346  Pyrrocoma lucida J. T. Howell 1961-9-25 36957 Plumas Sierra Nevada Mtns., Portola 1479 Comment
  UCD148524  Quercus X chasei G. F. Hrusa 1996-8-8 13471 Plumas south-facing slope, around 1/4 mile south of intersection of USFS 24N2 and 24N66, approximately 1 mile south of Brady's Camp, Plumas National Forest. 1950 Comment
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Jan 5 2016
  CAS-BOT-BC62430  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  SFV17672  Quercus chrysolepis J. M. Tucker 1948-7-25 1750 Plumas Sierra Nevada Area of Camel's Peak, 1.3 miles east of Camp 18. 1220 Comment
  UCD45391  Quercus chrysolepis Leonard H. Day 1948-7-11 s.n. Plumas Elevation 4710 feet; Lava Top (in Butte County) about 1 mile south of Cascade, Plumas County, California. 1435 Comment
  JEPS108143  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade 1440 Comment
  JEPS112918  Quercus chrysolepis var. nana Dean W. Taylor 2001-8-1 17856 Plumas Nelson Creek 0.5 miles North of bridge along Quincy-La Porte Road (ca. 8 miles SE of Quincy) 1234 Comment
  CAS-BOT-BC93983  Quercus durata John Thomas Howell 1951-6-26 27532 Plumas near Rich Bar 792 Comment
  CAS-BOT-BC94264  Quercus garryana John Thomas Howell 1959-9-26 35067 Plumas near Virgilia 838 Comment
  UCD46128  Quercus garryana var. semota John Thomas Howell 1959-9-26 35067 Plumas Near Virgilia. 838 Comment
  CAS-BOT-BC105316  Quercus kelloggii M. B. Kildale 1926-9-11 2766 Plumas branch of North Fork Feather River between Greenville & Quincy 1219 Comment
  CAS-BOT-BC105317  Quercus kelloggii C. Hart Merriam 1906-10-1 s.n. Plumas Quincy Comment
  UCD46621  Quercus kelloggii Dean Ahrenholtz 1964-5-9 15 Plumas Indian Creek Canyon, Plumas County, California. Comment
  CAS-BOT-BC104602  Quercus vacciniifolia Mrs. E. C. Suttiffe 1921-10-1 s.n. Plumas Golden Lake Region Comment
  CHSC102042  Quercus vacciniifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16217 Plumas On dry rocky soil, south of a drainage from a snow lake, about 100 yards north of the snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  NY201868  Quercus vacciniifolia J. B. Walker 1994-8-4 878 Plumas On ridge off La Porte Rd, 6km S of Nelson Creek 1600 Comment
  UC1135796  Quercus vacciniifolia F. W. Embree 1934-6-6 79 Plumas 1 mi s, 0.25 mi w Rutherford; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  CHSC60556  Ranunculus alismifolius var. lemmonii L. P. Janeway 1992-5-14 4175 Plumas Plumas National Forest. North side of Big Grizzly Creek at northwest end of Lake Davis. Meadow. 1764 Comment
  CAS-BOT-BC379216  Ranunculus aquatilis John Thomas Howell 1962-6-19 37860 Plumas 5.5 mi E of Beckwourth Comment
  CHSC20850  Ranunculus aquatilis var. capillaceus K. R. Stern 1975-7-23 5805 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81813  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-10-16 9378 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC378979  Ranunculus aquatilis var. diffusus David D. Keck 1932-7-3 1661 Plumas Quincy, Northern Sierra Nevada 488 Comment
  CAS-BOT-BC379244  Ranunculus aquatilis var. diffusus M. S. Taylor 1982-5-16 4455 Plumas aquatic in creek crossing road, ca. 0.125 mi E of Hwy 89, ca. 0.25 mi N of Graeagle, in Mohawk Valley Comment
  JEPS55182  Ranunculus californicus W. L. Jepson 1910-6-5 4068 Plumas Warner Valley; creek flats 1524 Comment
  SEINET7720819  Ranunculus cymbalaria Unknown Plumas Goose Lake Valley Comment
  CHSC97517  Ranunculus cymbalaria var. saximontanus Lowell Ahart; John Dittes 2007-6-17 14163 Plumas Along Red Clover Creek, about 50 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  SBBG30507  Ranunculus uncinatus D. Myrick 1968-6-18 1936 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  RSA551254  Rhamnus T. C. Fuller, G. D. Barbe 1981-6-25 s.n. Plumas E side of Indian Valley just N of Taylorsville. 1113 Comment
  JEPS103380  Rhamnus purshiana Lowell Ahart 2002-7-6 9838 Plumas On the SW side of a meadow, on the W side of the dirt road, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  RSA169466  Rhamnus purshiana L. S. Rose 1963-6-3 63115 Plumas Butterfly Valley, 2 miles SW of Keddie. 1189 Comment
  RSA339163  Rhamnus purshiana Margaret J. Williams, Betty Larson 1983-8-12 s.n. Plumas W. side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1677 Comment
  UC570996  Rhamnus purshiana Herbert L. Mason 1924-6-19 1071 Plumas along stream running n into Bear Lake Bear Lake Comment
  SEINET13946363 Image available Rhamnus purshiana Joseph Andorfer Ewan 1934-1 8536 Plumas Vic. Bear Lake, Mt. Elwell region 1981 Comment
  JEPS41962  Rhamnus rubra W. L. Jepson 1918-8-16 8004 Plumas Engels Lights Creek 1341 Comment
  UC1121929  Rhamnus rubra E. Sawyer 1935-7-8 277 Plumas 4.5 mi s Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  CAS-BOT-BC56571  Rhododendron columbianum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC61619  Rhododendron occidentale Hatton; Cayot 1914-9-20 100 Plumas Cascade Valley. 1219 Comment
  UCD117914  Rhododendron occidentale Jon Balderston 1980-5-19 5 Plumas North fork of Feather River between Highway 70 and Caribou at mouth of Mosquito Creek. 746 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
  JEPS83783  Rhynchospora alba V. Oswald and L. Ahart 1988-8-4 3670 Plumas se Drakesbad (just s of border of Lassen Volcanic National Park, s side of lake); Willow Lake 1676 Comment
  HSC95628  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area, northernmost boggy area on W side of FS Rd. 25N47, 0.1 mi. S of FS Rd. 417 1195 Comment
  UC1127408  Ribes cereum C. G. Albertus 1935-8-14 267 Plumas 1 mi ne Lovejoys; Plumas National Forest, Downieville Quadrangle Comment
  CHSC54323  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1991-6-18 4689 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northeast side of the lake. 1920 Comment
  CAS-BOT-BC219211  Ribes nevadense David D. Keck 1932-7-3 1628 Plumas Mountain slope S of Quincy 1066 Comment
  CAS-BOT-BC219215  Ribes nevadense Walter & Irja Knight 1967-5-22 1906 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC219222  Ribes nevadense Anna Head 1920-7-25 s.n. Plumas Above Lake Center Camp Comment
  CDA13445  Ribes nevadense G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13292 Plumas Sierra Nevada; on USFS 23N11A. Ridge between Bull Run Creek and S Fk. Long Valley Creek. Comment
  CHSC101934  Ribes nevadense Lowell Ahart; John Dittes 2009-7-15 16080 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
  CHSC45975  Ribes nevadense Lowell Ahart 1981-7-21 2946 Plumas Growing on the sides of large rock outcroppings, above the head of Dixon Creek, about 1/8 mile north of the Buzzards Roost Ridge, about 1 1/2 miles north of Pilot Peak. 1645 Comment
  JEPS28657  Ribes roezlii George W. Gillett 1957-7-19 859 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  UCD102468  Ribes roezlii Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  HSC20363  Ribes velutinum R. J. Vernimen 1963-5-4 31 Plumas 72 mi. SW of Greenville on alt. Hwy. 40 Comment
  CHSC46658  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 a Plumas About 10 miles north-east of La Porte, about 1/4 mile north of Pilot Peak, growing on dry bare soil in openings, north of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak. 2103 Comment
  CHSC46659  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 Plumas About 10 miles north-east of La Porte, about 1/4 mile north of Pilot Peak, growing on dry bare soil in openings, north of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak. 2103 Comment
  UC1127627  Ribes viscosissimum G. T. Nordstrom 1934-7-16 228 Plumas 1 3/4 mi ne Mount Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC74632  Rorippa curvisiliqua Anna Head 1921-7-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC74636  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  CHSC117340  Rorippa curvisiliqua var. curvisiliqua B. Castro 2007-7-24 1680 Plumas Northern High Sierra Nevada. Plumas National Forest. Ferris Flat, on floodplain of Ferris Creek ca 0.25 mi SW of its confluence with Last Chance Creek. Ca7 air mi SE of Milford, 5 mi SW of Hwy 395 and 12 mi NW of Doyle. In recently drying flat near main road (USFS Rd 28N03). 1761 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
  JEPS102610  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-16 9381 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS122115  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SBBG119740  Rosa bridgesii L. Ahart, J. Dittes, J. Guardino 2004-6-6 10999 Plumas N side of logging rd, ca. 1.5 air mi S of Lower Taylor Rock, ca. 7.5 air mi NE of Quincy 1517 Comment
  UC1128559  Rosa gymnocarpa E. Nourse 1934-9-4 19 Plumas 3/4 mi s and 1 mi w Quincy (Plot 77); Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC149730  Rosa woodsii subsp. ultramontana Alice Eastwood 1927-6-12 14508 Plumas Forest Camp, Greenville, United States Forest Reserve Comment
  CAS-BOT-BC149733  Rosa woodsii subsp. ultramontana John Thomas Howell 1955-7-20 30843 Plumas Mohawk 1371 Comment
  RSA726387  Rosa woodsii var. ultramontana L. Ahart, Josephine Guardino 2007-7-20 14323 Plumas Northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1790 Comment
  CHSC101912  Rubus leucodermis Lowell Ahart; John Dittes 2009-7-14 16071 Plumas On the south side of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  RSA563261  Rubus leucodermis Walter Knight, I. Knight, J. T. Howell 1966-7-27 1547 Plumas Near mouth of Butterfly Creek. 884 Comment
  JEPS115561  Rubus parviflorus Lowell Ahart, John Dittes 2009-7-27 16169 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  SEINET7705863  Rubus parviflorus H. Hamlin 1904-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC156917  Rubus ursinus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC66700  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1996-8-1 8137 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  RSA232861  Rumex acetosella L. S. Rose 1968-6-10 68092 Plumas Quincy. 1037 Comment
  CAS-BOT-BC422049  Rumex acetosella L. P. Janeway 1989-7-20 3505 Plumas Plumas National Forest, Beckwourth Ranger District. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. 1676 Comment
  SEINET11934444  Rumex acetosella L. Ahart, Ahart, P. 1985-1 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather 1585 Comment
  JEPS122171  Rumex fueginus Lowell Ahart 2014-8-20 19713 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  UC1101184  Rumex orbiculatus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1424 Plumas Taylorsville Indian Valley (s end of Valley) Comment
  SEINET4178423  Rumex paucifolius W. Harnach, N. Harnach 1990-6-13 375 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  UC580738  Rumex salicifolius var. denticulatus C. G. Albertus 1935-7-20 201 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  UC1070529  Rumex salicifolius var. lacustris E. Sawyer 1935-6-28 260 Plumas 5 mi sse Buttes; Sierraville Quad. 1493 Comment
  CAS-BOT-BC434302  Rumex triangulivalvis Malcom A. Nobs; S. Galen Smith 1949-8-18 1371 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester Comment
  SD71014  Rumex triangulivalvis John Thomas Howell 1960-7-19 35624 Plumas Meadow, Drakesbad, Lassen Volcanic National Park 1676 Comment
  JEPS122328  Sagina saginoides Lowell Ahart 2014-9-9 19837 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 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
  UC142444  Sagittaria latifolia Mrs. R. M. Austin Aug, 1878 296 Plumas Big Meadows Comment
  CAS-BOT-BC445749  Sagittaria latifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1511 Plumas Butterfly Botanical Area and Vicinity 1091 Comment
  UC1075650  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Quincy District Butterfly Lake (Butterfly Lake); , Quincy District 1219 Comment
  CHSC69162  Sagittaria rigida Vernon Oswald 1997-8-1 8809 A Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CHSC118838  Salix Amy Rachkowski 2015-8-7 2015009 Plumas Plumas National Forest. Located east of Taylor Lake, southwest of the junction of Forest Service road 27N57 and 27N10. UTM 695757 E, 4446744 N, NAD83 Zone 10N. 1990 Comment
  CHSC102147  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16222 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC97162  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14024 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  SEINET10538831  Salix exigua Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4664 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  NY280558  Salix exigua var. exigua R. D. Dorn 1998-7-28 7675 Plumas Ca. 1.5 mi NE of Long Lake. 1950.7 Comment
  UCD147795  Salix exigua var. exigua Allyson Ayalon; Lucie Jerabkova 2012-8-1 148 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC125303  Salix lasiandra var. lasiandra A. A. Heller 1913-6-13 10849 Plumas Near Marston Station 1066 Comment
  CAS-BOT-BC125314  Salix lasiandra var. lasiandra John Thomas Howell 1959-9-24 34941 Plumas Butterfly Creek near mouth Comment
  JEPS14868  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-29 Plumas along hwy. through Meadow Valley Comment
  JEPS14869  Salix lasiandra var. lasiandra John Warren Duffield 1937-5-30 Plumas near rd. into U.C. Forestry Camp (gravel pit n. of Meadow Valley Creek) 1158 Comment
  CAS-BOT-BC107056  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1833 Plumas Mouth of Butterfly Creek 1036 Comment
  SEINET11957665  Salix lasiolepis E. L. Smith 1971-1 948 Plumas Sw end of Indian Valley where Indian Creek enters gorge at Crescent Mills 1163 Comment
  CAS-BOT-BC128426  Salix lasiolepis var. lasiolepis Wayne Dakan 1974-9-1 s.n. Plumas Feather River Canyon near Tobin 611 Comment
  CAS-BOT-BC128427  Salix lasiolepis var. lasiolepis Lloyd W. Swift 1931-5-16 65995 Plumas Near Boulder Creek Sta. 1676 Comment
  CAS-BOT-BC128431  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC128435  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell 1966-7-28 1432 Plumas In bed of Spanish Creek near confluence of Butterfly Creek 1021 Comment
  CAS-BOT-BC124577  Salix lemmonii Alice Eastwood 1918-5-25 7027 Plumas Portola Comment
  JEPS14800  Salix lemmonii W. L. Jepson 1910-6-5 4066 Plumas Warner Valley 1524 Comment
  SBBG121279  Salix lemmonii L. Ahart, J. Dittes 2007-6-16 14128 Plumas S side of County Rd 111 (Beckwourth Gensee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  CAS-BOT-BC125103  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  SD979  Salix ligulifolia Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester on flood plain at highway bridge 1349 Comment
  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
  UCSB15994  Salix ligulifolia Breedlove, Dennis 1962-6-12 Plumas Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CDA14754  Salix lucida subsp. lasiandra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3315 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite 1341 Comment
  CDA15370  Salix lucida subsp. lasiandra G. F. Hrusa, T. D. Wilfred 1997-6-26 13896 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CDA39568  Salix lucida subsp. lasiandra L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  RSA5706  Salix melanopsis Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester. 1350 Comment
  SBBG32405  Salix melanopsis L. S. Rose 1968-6-10 Plumas Quincy 1036 Comment
  SEINET10417189  Salix melanopsis W. Harnach, N. Harnach 1991-5-11 536 Plumas Sierra Valley, W of Beckwourth, along Feather River, Ramelli Ranch. 1487 Comment
  SJSU203  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin & Beryl Kautz 1931-5-31 396 Plumas N Fork Feather R, Chester 1341 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
  CAS-BOT-BC129092  Salix scouleriana John Warren Duffield 1937-7-25 s.n. Plumas Secton 26 near Schneider Creek 1280 Comment
  CAS-BOT-BC235026  Sambucus A. M. Vollmer; L. Beane 1953-7-1 27 Plumas Route 24, about 25 miles below Quincy, Feather River Highway Comment
  CAS-BOT-BC235027  Sambucus Alice Eastwood 1927-6-17 14674 Plumas United States Forest Reserve, Long Valley Comment
  CAS-BOT-BC238849  Sambucus nigra subsp. caerulea John Thomas Howell 1924-8-10 612 Plumas Crescent Mills 1219 Comment
  CHSC65096  Sambucus racemosa var. microbotrys Vernon H. Oswald; Lowell Ahart 1995-7-24 7110 Plumas Caribou Wilderness N of Chester, on the trail between Indian Mdw. And Beauty Lake. 1981 Comment
  JEPS45505  Sanguisorba annua W. L. Jepson 1910-6-14 4133 Plumas Prattville 1310 Comment
  UC1037207  Sanguisorba annua Leo Whitney 1934-8-11 1558 Plumas near source Freeman Creek (ca 9 mi nw of Portola, nw end of Big Grizzley Valley); Plumas National Forest, nw end Big Grizzley Valley, Freeman 1828 Comment
  UC608578  Sanguisorba annua Beryl O. Schreiber 1938-7-9 2516 Plumas 1 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  POM147058  Sanicula bipinnatifida Alice Eastwood 1927-6-12 14531 Plumas Forest Lodge, Greenville Comment
  RSA74136  Sanicula bipinnatifida Milo S. Baker 1952-5-26 12466 Plumas Indian valley, 1/2 mi below Crescent Mills, Hwy 89 Comment
  CHSC42663  Sanicula graveolens Vernon Oswald 1986-6-6 2084 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 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
  JEPS28596  Sanicula tuberosa George W. Gillett 1957-7-13 761 Plumas below Sifford Lakes (on direct route to the Devils Kitchen, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 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
  POM147059  Sanicula tuberosa Alice Eastwood 1927-6-13 14468 Plumas Forest lodge near Greenville, United States Forest Reserve Comment
  UC2012966  Sanicula tuberosa Barbara Ertter with Gary Schoolcraft 1990-5-14 8982 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. Comment
  UC397358  Sanicula tuberosa Mrs. Jos. Clemens 1920-1 7004 Plumas Greenville Comment
  UC660060  Sanicula tuberosa Alan A. Beetle 1941-6-28 2780 Plumas Lake Almanor, W side 1828 Comment
  CHSC112613  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC33876  Sarcodes sanguinea M. S. Taylor 1981-5-29 3817 Plumas S side of Buckhorn Creek, ca 200 ft. W of Rd. 23N18.5, ca 1 mi SW of Grizzly Mtn, ca 13 air mi NE of Pulga. 1584 Comment
  CAS-BOT-BC466336  Sarcodes sanguinea Walter Knight; Irja Knight 1967-5-22 1809 Plumas Butterfly Botanical Area and Vicinity. Near Ranch house at Valley proper 1036 Comment
  UC639099  Sarcodes sanguinea unknown July, 1937 Plumas Meadow Valley Comment
  CAS-BOT-BC283631  Schedonorus pratensis John Thomas Howell; Gordon H. True 1967-6-11 42583 Plumas Meadow at Quincy 1036 Comment
  SEINET10472668  Schoenolirion album Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4670 Plumas T26N R7E sw sec 33. Almanor SW quad. In seep, n side of and above Caribou Rd, on serpentine, 1.8 mi ne of Queen Lily Campgr., ca. 7 air mi ne of Belden. 2800 ft. 853 Comment
  CHSC46622  Schoenoplectus subterminalis V. Oswald; L. Ahart, L. Hanson 1989-7-31 3909 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  JEPS117158  Schoenoplectus subterminalis Lowell Ahart 2010-10-21 17312 Plumas East side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte 1662 Comment
  UCD49974  Schoenoplectus subterminalis L. Ahart 1980-9-17 2655 Plumas Normal size plant, growing in shallow water along the north-east side of the lake, about 1/2 mile west of Fowler Peak, about 8 miles north of La Portem Plumas County, California. 1767 Comment
  CAS-BOT-BC110857  Scirpus diffusus Lowell Ahart 1980-10-6 2669 Plumas Lake 1/2 mile west of Fowler Pk. 1700 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  CAS-BOT-BC111003  Scirpus microcarpus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1643 Plumas North of Pond Reservoir, Butterfly Botanical Area 1097 Comment
  CHSC20751  Scirpus microcarpus K. R. Stern 1975-7-24 5895 Plumas S shore of Lake Almanor. 1371 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
  CAS-BOT-BC111000  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Begley Pass 1691 Comment
  RSA59261  Scirpus microcarpus E. K. Balls 1950-8-31 15553 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CAS-BOT-BC238463  Scrophularia John Thomas Howell 1977-8-11 52684 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  UC174630  Scutellaria A. A. Heller and P. B. Kennedy 1907-7-15 8843 Plumas near mouth of Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  CAS-BOT-BC61468  Sedum laxum subsp. laxum F. Thos. Griggs 1975-1-1 310 Plumas Buck's Lake area, Comment
  CHSC48310  Sedum obtusatum subsp. boreale Vernon Oswald 1986-7-10 2195 Plumas LaPorte-Quincy Rd. 0.5 mi n of Pacific Crest Trail. 1950 Comment
  CHSC102069  Sedum spathulifolium Lowell Ahart; John Dittes 2009-7-15 16096 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  JEPS79625  Selaginella wallacei Edward Lee 1951-10-8 Plumas 0.1 mi above junction of N. Fork Feather River Hwy. Comment
  CAS-BOT-BC363251  Senecio Greg Sommers 1976-7-20 188 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  CHSC65092  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1995-7-24 7116 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CAS-BOT-BC363602  Senecio fremontii var. occidentalis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC341175  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek 1767 Comment
  CHSC59134  Senecio hydrophilus V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5174 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a meadow, probably just S of the EW boundary line. 1595 Comment
  CAS-BOT-BC363926  Senecio integerrimus var. exaltatus Mary Strong Clemens 1920-5-4 s.n. Plumas Greenville Comment
  CAS-BOT-BC363927  Senecio integerrimus var. exaltatus Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  JEPS121735  Senecio integerrimus var. exaltatus B. Castro and L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels. Comment
  RSA0125030  Senecio integerrimus var. exaltatus P. B. Kennedy, A. A. Heller 1907-7-5 8742 Plumas Hills above Red Clover Valley. Comment
  UCD107500  Senecio serra var. serra Tim Kuhn 2006-6-29 46 Plumas north of Lake Davis at Old House Meadow. Comment
  CHSC112595  Senecio vulgaris Lowell Ahart 2013-9-11 19027 A Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC34900  Sericocarpus oregonensis M. S. Taylor 1981-9-2 4262 Plumas W side of 26N18, ca. 1 mi S of Onion Flat, ca. 3 mi W of Indian Falls. 1463 Comment
  JEPS115517  Sericocarpus oregonensis subsp. californicus Lowell Ahart, John Dittes 2009-8-28 16358 Plumas On dry bare soil, on the northeast side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC213135  Sidalcea John Thomas Howell 1961-6-21 36604 Plumas Greenville, Sierra Nevada 1097 Comment
  CHSC82964  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7698 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  JEPS113912  Sidalcea gigantea Dean W. Taylor 2001-8-2 17878 Plumas Onion Creek headwaters ca. 0.5 air miles SW of America House , along Forest Road 21N01Y ca. 0.3 miles West of junction Forest Road 21N99, American House 7 1/2 USGS quadrangle 1402 Comment
  UC1950094  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester Comment
  UC511308  Sidalcea glaucescens Lyman Benson 1932-7-29 3980 Plumas Buck Lake Sierra Nevada, , Feather River (Feather River) 2133 Comment
  UCR123524  Sidalcea glaucescens George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6870 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  RSA74354  Sidalcea glaucescens Milo S. Baker 1952-5-24 12445 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  SDSU8184  Sidalcea oregana subsp. spicata D. F. Howe 1964-7-29 3897 Plumas Near Gold Lake Lodge, Plumas national Forest 2012 Comment
  UC198514  Sidalcea oregana subsp. spicata Katharine Brandegee 1913-1 Plumas Portola Comment
  UC917160  Silene californica K. L. Olsen 1949-7-31 21 Plumas on road to Caribou 2 mi n Howells; Feather River Canyon Comment
  CDA3475  Silene conoidea J. Budaj 1965-8-1 Plumas Sheehan ranch, 4 miles northeast of Greenville. 0 Comment
  CHSC36856  Silene douglasii M. S. Taylor 1982-7-21 4894 Plumas Around s end of Backs Creek Ridge, ca. 5 mi se of Quincy. 1752 Comment
  UC852850  Silene douglasii Anna Head 1920-7-20 Plumas near Round Lake (Feather River Region); , near Round Lake Comment
  CAS-BOT-BC386982  Silene douglasii M. S. Taylor 1982-8-5 4924 Plumas Mt. Hough summit, ca. 7 air mi nne of Qunicy 2203 Comment
  CHSC88824  Silene laciniata subsp. californica L. Hanson 1981-7-28 162 Plumas Plumas National Forest. On Browns Hill Ridge. 1341 Comment
  CAS-BOT-BC389390  Silene lemmonii Lewis S. Rose 1939-6-8 39265 Plumas S. end of Lake Almanor 1371 Comment
  CDA13431  Silene lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13278 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  CHSC20734  Silene lemmonii K. R. Stern 1975-7-23 5902 Plumas W shore of Lake Almanor. 1371 Comment
  POM161352  Silene lemmonii Rimo C. Bacigalupi 1927-7-7 1637 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley. Comment
  CAS-BOT-BC389393  Silene lemmonii D. E. Breedlove 1962-6-12 3449 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  CAS-BOT-BC389562  Silene nuda Alice Eastwood 1927-6-27 14914 Plumas United States Forest Reserve. On road from Reno to Chilcott [Chilcoot] Comment
  RSA95419  Silene occidentalis J. T. Howell 1951-6-27 27557 Plumas Johnsville; Sierra Nevada 1585 Comment
  JEPS103273  Silene occidentalis subsp. occidentalis Lowell Ahart 2002-6-26 9779 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) NW of Little Grass Valley Reservoir dam, about 4 miles (air) NW of La Porte. 1796 Comment
  CAS-BOT-BC75122  Sisymbrium altissimum Anna Head 1920-6-6 s.n. Plumas Feather River Region. Camp Rodgers. Railroad cutting. 701 Comment
  SEINET3814481  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Plumas Prattville 1372 Comment
  SDSU11793  Sisyrinchium bellum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside the Feather River 1/2 mile north of Chester Comment
  CAS-BOT-BC231734  Solanum umbelliferum Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  RSA504719  Solidago californica J. T. Howell 1959-9-21 34736 Plumas Belden 701 Comment
  CHSC34923  Solidago elongata M. S. Taylor 1981-7-17 4030 A Plumas Within 1/4 mi of Bear Lakes trailhead, near Elwell Lodge, ca. 6 air mi s of Mohawk. 1950 Comment
  JEPS32379  Solidago elongata W. L. Jepson 1918-8-16 8005 Plumas Engels, Lights Creek 1341 Comment
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  UC36234  Solidago elongata D. Cleveland Jul 1882-Jul 1889 Plumas Comment
  RSA754538  Solidago spectabilis L. Ahart, John Dittes 2009-7-28 16205 Plumas Meadow SE of powerline, 500 feet SE of Forest Service Road 27N28Y, slope N of Ohio Creek, 2.6 air miles NW of butt Valley Reservoir Dam. 1512 Comment
  CAS-BOT-BC365115  Solidago velutina subsp. californica John Thomas Howell 1924-8-11 620 Plumas 2 miles east of Chester Comment
  CAS-BOT-BC365122  Solidago velutina subsp. californica Rimo Bacigalupi; J. R. Sweeney; G. Bacigalupi, Jr. 1953-8-31 4344 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville 1005 Comment
  CAS-BOT-BC374403  Sonchus asper John Thomas Howell; H. Keith Wagnon 1980-5-26 53587 Plumas Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden 609 Comment
  CAS-BOT-BC157306  Sorbus californica E. K. Balls 1950-9-12 15786 Plumas 1.5 mi. along trail from Lakes Center Public Campground towards Long Lake outlet 2011 Comment
  CHSC92177  Sorbus californica Lowell Ahart; John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS107734  Sorbus californica Lowell Ahart, John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UC1128682  Sorbus californica D. Axelrod 1934-6-9 32 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest 1767 Comment
  CHSC115778  Sorbus scopulina Lowell Ahart; John Deurloo 2015-8-25 20525 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  CAS-BOT-BC236552  Sorghum halepense John Thomas Howell 1959-9-26 35081 Plumas Storrie, Sierra Nevada 548 Comment
  RSA52907  Sparganium angustifolium subsp. emersum R. Weatherby 1950-7-28 1500 Plumas Water at edge of Smith Lake, near Quincy. 1250 Comment
  CHSC44266  Sparganium emersum subsp. emersum Vernon Oswald 1988-7-19 3595 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In the east end of the lake. 1676 Comment
  JEPS108158  Sparganium natans L. P. Janeway 1994-8-24 4750 Plumas Northern High Sierra Nevada. Shallow pond in South Fork Rock Creek at Deanes Valley Campground 1298 Comment
  RSA565013  Sparganium natans D. W. Taylor 1990-8-10 11432 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CHSC62544  Spergularia rubra B. Castro 1987-6-21 136 Plumas E side of Little Grass Valley Reservoir, at lakeside edge. 1524 Comment
  SEINET7722232  Spiraea betulifolia Unknown Plumas Spanish Peak Comment
  CHSC82468  Spiraea densiflora Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9826 Plumas In a logged over area on the south side of Forest Road 22N94, east of Forest Road 22N94E, 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. 1606 Comment
  RSA605317  Spiraea densiflora Louis C. Wheeler 1952-9-24 6960 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  UC384658  Spiraea densiflora E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CHSC66641  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8025 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along the lake. 1371 Comment
  RSA122179  Spiraea douglasii B. O. Schreiber 1938-7-9 2522 Plumas 1 mile E of Meadow Valley. 762 Comment
  RSA239304  Spiraea douglasii Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42342 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; near Darlingtonia bog. 1174 Comment
  SDSU9261  Spiraea douglasii R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile N of Chester. Comment
  SEINET7707759  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee. 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
  SD46500  Spiranthes porrifolia Robert J. Weatherby 1950-7-21 1480 Plumas On sunny wet soil in marshy meadow, Butterfly Valley, near Quincy. 1219 Comment
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Sep 30 2013
  JEPS125874  Stachys ajugoides Dean W. Taylor 2000-7-30 17533 Plumas Little Antelope Creek, SE end of Antelope Lake, Feather river watershed; along Forest road 278N41 0.2 miles S from junction of Road 172 (paved). 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
  CHSC97092  Stachys ajugoides var. rigida Lowell Ahart; Josephine Guardino 2007-7-21 14386 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  JEPS117157  Stachys ajugoides var. rigida Lowell Ahart 2010-10-21 17309 Plumas About 5 yards west of the spring, on the south 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
  SD46654  Stachys palustris subsp. pilosa Robert J. Weatherby 1950-7-7 1457 Plumas Snake Lake, Quincy. 1219 Comment
  RSA184911  Stachys rigida subsp. rivularis L. S. Rose 1966-7-27 s.n. Plumas Butterfly Creek, 2 mi. S. of Keddie. 1006 Comment
  RSA82571  Stachys rigida subsp. rivularis F. W. Peirson 1926-6-21 6804 Plumas Open strip along shore of Lake Almanor. Comment
  CHSC113893  Stellaria crispa Lowell Ahart 2014-8-31 19805 Plumas Around rocks in an unnamed drainage, on the west side of Black Rock Cree, 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
  RSA291301  Stellaria longipes J. T. Howell 1960-7-18 35516 Plumas Drakesbad. 1677 Comment
  CAS-BOT-BC391182  Stellaria longipes subsp. longipes Anna Head 1920-7-15 s.n. Plumas Gray Eagle Meadows, Feather River Region 1859 Comment
  CAS-BOT-BC397724  Stellaria nitens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1838 Plumas W slope of Butterfly Valley near old barn 1036 Comment
  JEPS103513  Stellaria obtusa Lowell Ahart 2002-7-18 9874 Plumas Along a small upper branch of Fall River, ca 1 1/4 mile SW of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1658 Comment
  SEINET10886681 Image available Stenotus acaulis A. Arthur Heller, Patrick B. Kennedy 1907-7-3 Heller 8696 Plumas Hills above Red Clover Valley. Comment
  UCD136249  Stephanomeria elata F. H. Bolster 1912-9-1 52 Plumas Tobin, Feather River Canyon. 381 Comment
  JEPS29560  Stephanomeria lactucina John Thomas Howell 1960-7-19 35681 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  RSA518981  Stephanomeria lactucina Barbara Ertter 1988-7-25 7852 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  UC205008