Search Results — 2000 specimen records retrieved (1417 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-BC77978  Abies concolor Saichi Kawahara 1968-5-5 411 Plumas Highway 89, 3 miles south-east of Highway 36 1402 Comment
  UC1348767  Abies concolor R. A. Cockrell 1937-8-5 8329 Plumas near Spanish Peak; Meadow Valley Comment
  UC336753  Abies concolor unknown Plumas Thompson's Quincy Comment
  UC401294  Abies concolor H. E. Brown Aug 1 1897-Aug 15 1897 671 1/2 Plumas near Lassen Buttes 1828 Comment
  NY29507  Abies lowiana E. Fritz 1936-6-22 8207 Plumas Comment
  RSA604696  Abies magnifica L. C. Wheeler 1952-9-24 6956 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  SEINET196507 Image available Acer glabrum J. M. Tucker 1948-7-25 1737 Plumas At mine of United Mining Co. Pinchard Creek, southwest side of Camel Peak 1520 Comment
  JEPS48675  Acer glabrum Esther C. Fritz 1933-7-2 Plumas Highway above Meadow Valley (near spring); highway above Meadow Valley, near spring Comment
  CHSC113897  Achillea millefolium Lowell Ahart 2014-8-26 19772 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  JEPS115556  Achillea millefolium Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16214 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
  UC1125403  Achillea millefolium A. Lewis 1934-6-18 485 Plumas Little Grass Valley; Downieville Quad. 1524 Comment
  CAS-BOT-BC210703  Achnatherum lemmonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54319 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  UCD50466  Achnatherum lemmonii August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest. Comment
  SBBG115897  Achnatherum nelsonii J. T. Howell 1962-6-18 37774 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC216882  Achnatherum occidentale Mary Strong Clement 1920-8-16 s.n. Plumas Greenville Comment
  UCD50966  Achnatherum occidentale G. L. Stebbins Jr. 1939-7-5 2899 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  UCD50971  Achnatherum occidentale G. L. Stebbins Jr. 1939-7-9 2935 Plumas Southwest slope of Meadow View Peak. 1920 Comment
  CDA14039  Achnatherum occidentale subsp. californicum G. F. Hrusa, T. D. Wilfred 1996-8-1 13411 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Occasional bunchgrass in open sites. Comment
  CHSC74148  Achnatherum occidentale subsp. californicum B. Castro; L. Gehrung 1998-10-1 852 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just wet of Pilot Peak and overlooking upper end of S Fork Feather River. On N side of river's crossing of USFS Rd 22N60, on SE-facing slope, just SE of the Pacific Crest Trail (across trail serpentine outcrop). 1975 Comment
  RSA71303  Achnatherum occidentale subsp. californicum L. S. Rose 1951-6-27 51022 Plumas Johnsville. 1601 Comment
  UC485753  Achnatherum occidentale subsp. californicum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC110712  Achnatherum occidentale subsp. pubescens L. P. Janeway 1992-6-8 4223 Plumas Plumas National Forest. Quincy Ranger District. About 0.3 mile south of Highway 70/89 at Lee Summit. 1359 Comment
  CHSC62455  Acmispon americanus var. americanus L. P. Janeway 1993-8-26 4546 Plumas Plumas National Forest. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. On the south side of Middle Fork Feather River. 1484 Comment
  CAS-BOT-BC391469  Aconitum columbianum subsp. columbianum Anna Head 1921-7-30 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC412609  Aconogonon alaskanum Anna Head 1921-8-5 s.n. Plumas Near outlet of Bear Lake, Feather River Region Comment
  CAS-BOT-BC29841  Adenocaulon bicolor Walter Knight; Irja Knight 1966-6-18 1282 Plumas Butterfly Valley 1097 Comment
  RSA286334  Adenocaulon bicolor R. F. Thorne 1974-7-30 45014 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  JEPS35107  Adiantum aleuticum W. L. Jepson 1924-7-22 10624 Plumas Middle fork of Feather River Rich Point 1127 Comment
Read comments
Sep 12 2008
  SBBG29872  Agastache urticifolia E. Crum 1937-8-7 1947 Plumas 3 mi W of Lake Almanor 1524 Comment
  JEPS113441  Ageratina occidentalis Lowell Ahart, John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis 2416 Comment
  JEPS115547  Ageratina occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16215 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
  JEPS28654  Ageratina occidentalis George W. Gillett 1957-7-19 855 Plumas about 1.25 mi above the Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanie National Park 2057 Comment
  CAS-BOT-BC29513  Agoseris W. Harnach; N. Harnach 1990-6-13 367 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  RSA726408  Agoseris glauca var. laciniata L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14040 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  CHSC55795  Agoseris grandiflora Vernon H. Oswald 1991-9-11 4868 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1737 Comment
  SEINET10474075  Agoseris grandiflora Mary Susan Taylor 1982-8-4 Taylor 4911 Plumas T25N R10E sw/sw sec 34. Spring Garden quad. Jct of 25N14 and Taylor Creek and along ne side of Taylor Creek, ca. 5 mi ne of Quincy. Mixed Evergreen Forest; 4500 ft. 1372 Comment
  CAS-BOT-BC22913  Agoseris heterophylla John Thomas Howell; Gordon H. True 1967-7-11 43305 Plumas 2.5 miles from Quincy Junction on road to Mt. Hough 1249 Comment
  JEPS115799  Agoseris heterophylla Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15886 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  SEINET10937971  Agoseris heterophylla Mary Susan Taylor 1982-6-12 Taylor 4642 Plumas T28N R6E ne/ne sec 24. Mt Harkness SE quad. Jct of Hwys 36 & 89, ca. 3 mi w of Chester. 4900 ft. 1493 Comment
  SEINET6225038 Image available Agoseris heterophylla L. S. Rose 1967-1 67108 Plumas Butterfly Valley, ca 3 mi W of Keddie Comment
  CAS-BOT-BC13440  Agoseris retrorsa Walter Knight; Irja Knight; John Thomas Howell 1966-6-26 1610 Plumas Roadside at Fern Glen 1097 Comment
  UCD150434  Agoseris retrorsa William Anderson 1965-6-6 s.n. Plumas Virgilia. Comment
  CAS-BOT-BC162046  Agrostis Fred Sommers; Greg Sommers 1976-7-20 191 Plumas Marble Hot Springs Area SIerra Valley Marsh. 1487 Comment
  CHSC59842  Agrostis capillaris L. P. Janeway 1992-8-30 4303 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1914 Comment
  CHSC74151  Agrostis capillaris H. Durio 1995-6-1 Plumas Just off S end of Mooreville Ridge, near Boehme Ranch, at end of unnamed spur road off of USFS Rd 21N56. 1277 Comment
  CAS-BOT-BC127077  Agrostis exarata Lowell Ahart 1987-9-22 5891 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  CAS-BOT-BC127097  Agrostis exarata W. R. Dudley 1909-8-27 s.n. Plumas Sierra Valley. Near Hot Springs. Comment
  CAS-BOT-BC127098  Agrostis exarata Lowell Ahart 1980-10-6 2679 Plumas Sierra Nevada. About 1 mile south of La Porte. 487 Comment
  CHSC113609  Agrostis exarata Lowell Ahart 2014-8-26 19795 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
  JEPS122184  Agrostis exarata Lowell Ahart 2014-8-26 19795 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
  CAS-BOT-BC139602  Agrostis gigantea John Thomas Howell 1976-7-16 31906 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139248  Agrostis idahoensis John Thomas Howell 1960-7-21 35854 Plumas Lassen Volcanic National Park. Northwest of Willow Lake. 1676 Comment
  CDA13753  Agrostis pallens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13485 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Few in +- shaded, wet area immediately below headwater spring. Perennial. Comment
  JEPS68385  Agrostis pallens W. L. Jepson 1924-7-22 10626 Plumas Rich Point Middle Fork Feather River, Dogwood Creek 1127 Comment
  CAS-BOT-BC138709  Agrostis scabra Malcom A. Nobs; S. Galen Smith 1949-8-18 1366 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CHSC24271  Agrostis scabra K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC32855  Agrostis scabra L. Ahart 1980-10-6 2678 Plumas Ca. 1 mi s of La Porte. 1600 Comment
  JEPS102765  Agrostis stolonifera Lowell Ahart 2001-8-28 9192 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile NE of Chester. 1371 Comment
  RSA196478  Agrostis stolonifera J. T. Howell 1926-7-26 2135 Plumas Near Prattville 1372 Comment
  RSA59303  Agrostis stolonifera E. K. Balls 1950-9-12 15792 Plumas Lakes Center Public Campground 2043 Comment
  CAS-BOT-BC445448  Alisma triviale C. Etienne 1969-7-26 295 Plumas Off Middle Fork of Feather River; Hiway 89 near Graeagle next to Feather River Park Resort entrance. 1280 Comment
  CAS-BOT-BC445451  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills 1036 Comment
  CAS-BOT-BC466472  Allium campanulatum Rimo Bacigalupi 1927-7-7 1646 Plumas slopes Mt. Elwell above Long Lake 2133 Comment
  CAS-BOT-BC466604  Allium campanulatum E. K. Balls; L. W. Lenz 1956-6-19 21843 Plumas forest lodge, sw of greenville 1127 Comment
  CAS-BOT-BC466618  Allium campanulatum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-7-10 2101 Plumas Between Butterfly Valley and Darlingtonia bog 1066 Comment
  RSA109811  Allium campanulatum E. K. Balls, Lee W. Lenz 1956-6-19 21843 Plumas Forest Lodge, SW of Greenville. 1128 Comment
  RSA367082  Allium campanulatum Christopher Davidson 1975-6-7 2738 Plumas 4.6 miles N of Greenville on highway 89. 1238 Comment
  SEINET199811  Allium campanulatum Francia Chisaki 1956-6-1 898 Plumas On Highway Alt. #40, 5.7 miles east of Virgilia, Comment
  SEINET8119077  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-3 8708 Plumas Hills above Red Clover Valley. Comment
  UCD143206  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  CAS-BOT-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  CAS-BOT-BC474284  Allium obtusum var. obtusum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad. Lassan Nat'l Park Comment
  JEPS15034  Allium parvum A. A. Heller 1938-5-21 15104 Plumas on the plain about the airfield w. of Chester 1304 Comment
  RSA32798  Allium parvum A. A. Heller 1938-5-21 15104 Plumas About the airfield west of Chester. 1305 Comment
  CAS-BOT-BC476718  Allium validum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC476726  Allium validum M. S. Taylor 1982-8-4 4917 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
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 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-BC171372  Alnus incana subsp. tenuifolia M. S. Jussel 1931-9-6 s.n. Plumas Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC170692  Alnus rhombifolia Walter Knight; Irja Knight 1966-6-18 1330 Plumas Butterfly Valley. Regional Parks Botanic Garden 1097 Comment
  RSA263841  Alnus rhombifolia J. T. Howell, Gordon True 1969-6-23 45817 Plumas Middle Fork of Feather River at Nelson Point. 1250 Comment
  CHSC40449  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  SEINET4342384  Alopecurus carolinianus W. Harnach, N. Harnach 1991-6-17 553 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  UCD55898  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD20958  Amelanchier alnifolia E. Bortiri 2002-6-1 WFC 6 Plumas Faggs Pond, South of Bucks Lake, Plumas NF. Comment
  CHSC81815  Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the northwest side of Round Valley Reservoir, just south of the road, about 2 1/2 miles southwest of Greenville. 1366 Comment
  JEPS102722 Image available Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the NW side of Round Valley Reservoir, just south of the road, about 2 1/2 miles SW of Greenville. 1366 Comment
  RSA739619  Amelanchier alnifolia var. pumila L. P. Janeway 2007-5-20 8990 Plumas Norhern High Sierra Nevada, Crest at head of Bean Creek (which drains to the SSE, E Branch N Fork Feather Rivers to the N) at jct of roads 25N17, 25N57, 25N59. 1573 Comment
  CAS-BOT-BC136775  Amelanchier utahensis W. R. Dudley 1909-8-29 s.n. Plumas Hot Springs, Sierra Valley Comment
  CAS-BOT-BC136789  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1510 Plumas At north end of Pond Reserve 1097 Comment
  CAS-BOT-BC136795  Amelanchier utahensis Mrs. H. C. Cantelow 1951-7-30 20 Plumas Near Johnsville Comment
  CAS-BOT-BC136800  Amelanchier utahensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC102387  Amelanchier utahensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16125 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  UC567084  Amelanchier utahensis E. Sawyer 1935-5-21 16 Plumas 2 mi e Beckwith; Sierraville Quad. 1584 Comment
  CHSC41884  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas On the bottom of the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  JEPS88080  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1996-8-14 8155 Plumas road paralleling creek near Greens Flat (ca. 2 air mi nw of Meadow Valley (on the Oroville-Quincy Hwy)); northern High Sierra Nevada, Spanish Creek 1127 Comment
  RSA0105545  Anaphalis margaritacea Lowell Ahart 2014-8-24 19743 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
  SBBG128658  Anaphalis margaritacea L. Ahart 2008-9-10 15361 Plumas both sides of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. 1 mi NE of La Porte 1593 Comment
  SEINET11842082  Anaphalis margaritacea M. S. Taylor 1982-1 4951 Plumas T26N R8E ne/ne sec 4. Almanor NE quad. End of spur rd off Seneca Rd (306), at Salmon Cr., .. 1524 Comment
  CHSC45414  Anemone drummondii Lowell Ahart 1979-7-18 1992 Plumas On the north side of the dirt road, north of Finger Board Mountain, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  CHSC60136  Anemone drummondii B. Castro; J. Jurewicz 1991-8-12 444 Plumas Ca 3.5 air mi S of Bucks Lake and 0.1 mi SE of Grizzly Mtn (= Red Mtn), along USFS Rd 23N69 ca 0.5 mi W of its jct with USFS Rd 23N18. On either side of road. 1911 Comment
  CAS-BOT-BC391927  Anemone lyallii L. S. Smith 1932-5-17 2656 Plumas Plumas National Forest. Above Strawberry Valley 1066 Comment
  CAS-BOT-BC391928  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas West of Chester Comment
  SD8181  Anemone quinquefolia Daniel Cleveland July 1882 Plumas Big Meadows Comment
  SD109157  Angelica arguta var. breweri Joseph M. DiTomaso 1980-8-28 1948 Plumas One mile east of Whitehorse campground, ca. 1/2 mile west of Pacific Coast Trail on Hwy 70; 15 miles west of Quincy. 1525 Comment
  CDA40899  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-23 13400 Plumas Sierra Nevada; Plumas Natl. Forest. immediately above bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 mi. E of Quincy. Sheet 2 of 2 Comment
  CDA18474  Antennaria argentea G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3218 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CHSC87828  Antennaria argentea Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10996 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CHSC89307  Antennaria argentea G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3218 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  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
  CDA12083  Antennaria dimorpha G. F. Hrusa, G. L. Webster 1989-5-1 7026 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  CAS-BOT-BC59177  Antennaria dimorpha Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  CAS-BOT-BC59179  Antennaria dimorpha L. P. Janeway 1991-5-28 3969 Plumas Crocker Mtn. quad. South side of Poco Creek ca 1 1/2 mi est of Red Clover Creek (south side of road 25N05). 1719 Comment
  RSA39730  Antennaria dimorpha Philip A. Munz 1947-5-16 11820 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC56839  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 B 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
  CHSC57063  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4073 A Plumas Plumas National Forest. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  CHSC97626  Antennaria luzuloides subsp. aberrans 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
  UC176434  Antennaria rosea A. A. Heller and P. B. Kennedy 1907-7-3 8699 Plumas hills above Red Clover Valley Comment
  UC1552729  Antennaria rosea Frederica Bowcutt 1985-6-6 563 Plumas 15 air mi ne of Quincy; Plumas National Forest 1676 Comment
  CAS-BOT-BC84602  Anthemis cotula John Thomas Howell; Gordon H. True 1974-7-29 50627 Plumas Quincy 1036 Comment
  JEPS83413  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-6 366 Plumas 2.3 mi e bridge over North Fork Feather River, e of Belden, Hwy. 70 (Rich Bar, along n side of Hwy 70); Rich Bar, Almanor Quad. (15', 1955) 731 Comment
  JEPS83414  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas 0.3 mi ne Hwy. 70 intersection with Pulga Road, ne end of bridge (Hwy 70, on n side of road); Pulga Quad. (15', 1957) 487 Comment
  UCD123492  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas Rick Bar-Virgilia. Plumas National Forest. 820 Comment
  CDA14034  Apocynum androsaemifolium G. F. Hrusa, T. D. Wilfred 1996-8-1 13406 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CHSC102057  Apocynum androsaemifolium Lowell Ahart; John Dittes 2009-7-14 16068 Plumas On dry soil, on the southeast side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC34866  Apocynum androsaemifolium M. S. Taylor 1981-7-17 4035 Plumas Lakes Basin, Bear Lakes trail, just s of spur trail to Gold Lake Lodge, ca. 6 mi s of Mohawk. 1981 Comment
  UC878871  Apocynum androsaemifolium Mrs. E. C. Sutliffe Aug. 1917 Plumas near Blairsden Blairsden Comment
  UC586841  Apocynum androsaemifolium Joseph Andorfer Ewan 1934-6-26 8192 Plumas Gold Lake Rd. Sierra Nevada 1737 Comment
  SEINET10873825  Apocynum cannabinum var. glaberrimum Mary Susan Taylor 1982-6-6 Taylor 4609 Plumas T25N R7E nw sec 4. Almanor SW quad. S side of Caribou Rd, ca. 1 mi ne of Queen Lily Campground, ca. 4 air mi ne of Belden. 2700 ft. 823 Comment
  CAS-BOT-BC397877  Aquilegia formosa A. A. Heller; P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  UC1125879  Aquilegia formosa G. T. Nordstrom 1934-7-2 163 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  UC306925  Aquilegia formosa Marcus E. Jones 1897-7-5 Plumas Prattville 1371 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
  SEINET10907252  Arabis constancei Mary Susan Taylor 1982-6-1 Taylor 4582 Plumas T26N R9E sw/nw sec 8. Almanor NE quad. N side of 204, ca. 1 air mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  RSA655716  Arabis hirsuta var. glabrata R. R. Halse 1976-6-13 1395 Plumas Plumas National Forest; along State Hwy 89, 5.6 miles NW of Greenville. 1281 Comment
  UC174583  Arabis rectissima var. rectissima A. A. Heller and P. B. Kennedy 1907-7-11 8809 Plumas Prattville Comment
  UC170941  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 Comment
  RSA755810  Arceuthobium californicum L. Ahart, John Dittes 2009-7-14 16070 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  CAS-BOT-BC409920  Arceuthobium campylopodum John Thomas Howell 1960-7-19 35669 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  CHSC57834  Arceuthobium campylopodum Vernon H. Oswald 1992-5-5 4932 Plumas Lassen Volcanic National Park. Kings Creek Trail ca. 0.5 mi N of Camp Kelley, just inside the S boundary of the park. 1627 Comment
  CHSC67445  Arceuthobium campylopodum James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2563 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  RSA609443  Arceuthobium campylopodum Louis C. Wheeler 1958-7-30 7355 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1078843  Arceuthobium campylopodum Job Kuijt 1957-5-21 1351 Plumas 3 mi n Almadore (on Hwy 89) Comment
  UCD101944  Arceuthobium campylopodum John Thomas Howell 1960-7-20 35784 Plumas Between Boiling Springs Lake and Terminal Geyser. 1859 Comment
  JEPS123950  Arceuthobium campylopodum subsp. abietinum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC24155  Arctostaphylos W. Harnach; N. Harnach 1990-4-13 255 Plumas N slope on rocky soils of volcanic origin, Sierra Valley. Barry Hill (McElroy on maps). 1615 Comment
  CDA18749  Arctostaphylos mewukka G. D. Barbe, T. C Fuller 1982-7-16 3768 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
  CDA20455  Arctostaphylos mewukka B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  CAS-BOT-BC38477  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2404 Plumas Butterfly Botanical Area. Along road west of reservoir. Comment
  CAS-BOT-BC38479  Arctostaphylos mewukka subsp. truei 1923-5-10 s.n. Plumas Quincy Comment
  UC1748317  Arctostaphylos nevadensis James D. Jokerst, R. A. Schlising, and L. Ahart 1985-8-12 2570 Plumas Red Mountain Road in saddle below summit, above jct. with Rich Gulch Road, N of Hwy. 70 Comment
  SEINET9339325  Arctostaphylos nevadensis Unknown 1982-6-15 3718 Plumas 1 mi below and NE of Red Hill Summit, Plumas National Forest. Comment
  JEPS38822  Arctostaphylos patula W. L. Jepson 8017 Plumas Taylorsville 1097 Comment
  NY42168  Arctostaphylos patula J. B. Walker 1994-8-3 868 Plumas 5km N of Quincy, on USFS Rd 25N12, 2km W of USFS Quincy work center 1500 Comment
  OBI14574  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas South of Keddie; Butterfly Creek & Spanish Crk 884 Comment
  RSA122004  Arctostaphylos patula C. G. Albertus 1935-7-22 222 Plumas 3 3/4 miles S.W. of Lovejoys, Downieville. 1768 Comment
  RSA122008  Arctostaphylos patula D. Axelrod 1934-6-4 10 Plumas Southwest of La Porte. Alt. 5400 feet. Comment
  SEINET10449254  Arctostaphylos patula Mary Susan Taylor 1982-6-23 Taylor 4717 Plumas T23N R11E center sec 18. Blue Nose Mt quad. Both sides of 23N10-Peoria Cr Rd, 0.3 mi w of Peoria Cr, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET11995487  Arctostaphylos patula J. T. Vale, Wagnon, H. K. 1988-1 1819 Plumas ca 2 mi E of town of Bucks Lake on old road-logging road 0.25 mi N 1512 Comment
  RSA634255B  Arctostaphylos truei Walter Knight, Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  SEINET11993341  Arctostaphylos truei W. Knight, Knight, I. 1986-1 5221 Plumas between Tobins & Belden near Injun Jim Campground, on N Fork of Feather River 640 Comment
  CHSC55689  Arctostaphylos viscida Ben Cunningham 1991-4-20 Plumas Ca. 20 ft w of Highway 70 at Twain, 18 mi s of Greenville. 975 Comment
  UCD52625  Arctostaphylos viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. Open forest. 944 Comment
  UC1585889  Arenaria congesta var. suffrutescens Barbara Ertter with Gary Schoolcraft 1989-7-3 8666 Plumas ca 7 airmiles s Susanville (open ridge between the two peaks); Diamond Mt peak 2316 Comment
  SEINET6225252  Arenaria congesta var. suffrutescens L. S. Rose 1967-1 67172 Plumas 1 mi S of Keddle, Butterfly Creek & Spanish Creek Comment
  CAS-BOT-BC82083  Arnica W. Harnach; N. Harnach 1990-6-27 409 Plumas Sierra Valley. Ramelli Ranch (USFS), so of R/R 1554 Comment
  JEPS113559  Arnica chamissonis Lowell Ahart, John Dittes 2007-6-17 14199 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
  CHSC118660  Arnica chamissonis Reed Kenny 2015-7-11 2015006 Plumas Plumas National Forest. Location northwest shore of Antelope Lake, northeast of Forest Service road 28N03 and 28N31. UTM 701731 E, 4453804 N, NAD83 Zone 10N. 1585 Comment
  CAS-BOT-BC82356  Arnica cordifolia L. P. Janeway 1992-5-12 4167 Plumas North side of Lake Davis and Rd 112, ca 6 1/2 mi northwest of the road to the dam. Grizzley Valley quad 1780 Comment
  UC84127  Arnica dealbata T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC82498  Arnica discoidea John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2154 Plumas Beargrass Glade 1127 Comment
  CHSC91918  Arnica discoidea Lowell Ahart; Josephine Guardino 2005-8-10 12305 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CAS-BOT-BC82502  Arnica discoidea C. R. Quick 1941-8-31 41 -60 Plumas [S.E.of] S.E. of Quincy Comment
  CAS-BOT-BC82508  Arnica discoidea John Thomas Howell 1951-6-28 27717 Plumas Eureka Peak 2255 Comment
  CAS-BOT-BC82654  Arnica latifolia Lowell Ahart 1980-7-27 2489 Plumas About 5 miles east of Bucks Lake 1500 Comment
  CHSC62341  Arnica mollis B. Castro; J. Jurewicz 1990-7-18 432 Plumas Ca 6 air mi W of Crescent Mills, on flat top of knoll overlooking Bullfrog Ravine. 1752 Comment
  UCD107452  Arnica mollis Tim Kuhn 2006-6-30 23 Plumas north of Lake Davis at Old House Meadow. Comment
  UC1586467  Arnica parryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4784 Plumas 5.2 mi ne of, Humbug Rd at Grizzly Creek Humbug Summit; Grizzly Creek 1777 Comment
  JEPS102268  Arrhenatherum elatius L. P. Janeway 1996-6-20 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. 1066 Comment
  CAS-BOT-BC146264  Arrhenatherum elatius var. elatius L. P. Janeway 1992-6-4 4214 Plumas Plumas National Forest. Beckwourth Ranger District. Jackson Compartment. Between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  SEINET224357 Image available Artemisia cana John Thomas Howell 1959-9-24 Plumas Plumas County: Beckwourth. 1487 Comment
  CAS-BOT-BC90408  Artemisia douglasiana Mrs. Jos Clemens 1919-10-24 s.n. Plumas Greenville Comment
  CHSC66610  Artemisia douglasiana Vernon H. Oswald; Lowell Ahart 1996-7-15 8022 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  RSA716877  Artemisia douglasiana L. Ahart, John Dittes 2005-9-20 12454 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  RSA169467  Asarum lemmonii L. S. Rose 1963-6-3 s.n. Plumas Butterfly Valley, 2 mi SW of Keddie 1189 Comment
  SD7722  Asclepias cordifolia R. M. Austin 1880-1 Plumas American Valley Comment
  SEINET10580361  Asclepias cordifolia Vernon H. Oswald, Lowell Ahart 1991-6-18 Oswald 4682 Plumas Forest Road 28N38, 3.4 mi ENE of its junction with County Road 201 (Old Haun Road), ca 4 mi (air) N of Greenville 1609 Comment
  CAS-BOT-BC97470  Aster M. S. Taylor 1981-8-19 4223 Plumas Blue Nose Mt. quad. Along creek, 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat 1341 Comment
  SEINET10475336  Aster breweri Mary Susan Taylor 1981-7-17 Taylor 4032 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  CHSC110619  Aster integrifolius B. Castro; G. Kuenster 2006-8-4 1582 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. W side of Thompson Creek, near low knolls with rounded granitic outcrops, ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  SD46410  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanish Peak. 2100 Comment
  UCD104873  Astragalus lemmonii Collector unknown 1954-10-20 s.n. Plumas Border of Sierra County line. Comment
  CAS-BOT-BC192850  Astragalus pulsiferae Lewis S. Rose 1955-7-19 55152 Plumas Beckworth [Beckwourth] Pass 1493 Comment
  UCD169252  Astragalus pulsiferae var. pulsiferae S. L. Welsh; N. D. Atwood 2001-6-13 28120 Plumas Beckwourth pass, at Lassen County line, California Hwy 70. 1575 Comment
  UC1042341  Astragalus purshii var. tinctus Lewis S. Rose 1954-5-30 54075 A Plumas Beckwourth Beckwourth (desert slopes) 1524 Comment
  CAS-BOT-BC200860  Astragalus webberi Mary Strong Clemens 1920-9-1 s.n. Plumas Taylorsville Comment
  HSC73111  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy. 89, 1/4 mi. S of turnoff to Taylorsville , 1 mi. S of Crescent Mills. 1098 Comment
  HSC95635  Astragalus webberi James D. Jokerst 1985-6-10 2410 Plumas Indian Creek, Upper edge of reconstruction zone of Hwy. 70. Comment
  RSA18764  Astragalus webberi Marcus E. Jones 1937-1 s.n. Plumas [photo] Comment
  SBBG29978  Astragalus webberi D. Ripley, R. Barneby 1943-6-16 5778 Plumas Feather River W of Crescent Mills 853 Comment
  UC1732069  Astragalus webberi James D. Jokerst 1985-6-10 22410 Plumas Indian Creek Small Hydro Survey. Upper edge of reconstruction zone of Hwy 70 Comment
  UCSB63567  Astragalus webberi Jokerst, James 1985-6-10 Plumas Upper edge of reconstruction zone of Hwy. 70: T26N R9E NE1/4 NW1/4 Sect. 35 Comment
  CHSC118710  Astragalus whitneyi var. whitneyi Chelsea Morgan; Wendy Boes 2016-6-3 2016002 B Plumas Lassen National Forest. Located in the Diamond Mountains on ridgeline to east of Willard Creek just south of Forest Road 29N02. UTM 689524 E, 4465410 N, NAD 83 Zone 10 North. 1958 Comment
  CHSC20755  Asyneuma prenanthoides K. R. Stern 1975-7-24 5872 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  CHSC37705  Athyrium filix-femina M. S. Taylor 1982-8-9 4949 Plumas Jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. 1645 Comment
  RSA333470  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-8-2 4095 Plumas Butterfly Valley Botanical Area near Keddie off Highway 70, along Blackhawk Road. Comment
  CAS-BOT-BC69507  Athyrium filix-femina var. californicum Walter Knight; Irja Knight 1966-9-12 1728 Plumas Rubble gap, Butterfly Botanical Area and Vicinity. 1127 Comment
  CAS-BOT-BC170603  Atriplex subspicata Greg Sommers; Fred Sommers 1976-7-14 177 Plumas Marble Hot Springs area, Alakali flats nroth of Dyson Road, Sierra Valley Marsh - Sierra Nevada 1487 Comment
  CHSC283  Balsamorhiza deltoidea V. Holt 1937-5-14 Plumas Twain. 914 Comment
  CHSC55471  Balsamorhiza deltoidea Ben Cunningham 1991-4-20 Plumas Ca. 90 ft W of Pecks Valley road and 2 mi NE of Greenville. 1066 Comment
  JEPS3028  Balsamorhiza deltoidea Milo S. Baker 1952-5-24 12441 Plumas in a canyon above Pine Valley (Highway 89); Highway 89 944 Comment
  RSA169425  Balsamorhiza hookeri L. S. Rose 1963-6-4 63121 Plumas Sierra Valley, 2 mi. s. of Beckwourth. 1463 Comment
  CHSC34904  Balsamorhiza macrolepis var. platylepis M. S. Taylor 1981-6-3 3843 Plumas W side of 24N10. Ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola. 1767 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
  UC88466  Balsamorhiza sagittata Mrs. R. M. Austin 1875-6-1 94 Plumas American Valley Comment
  UCD15498  Barbarea orthoceras Patsy Barry 1984-5-28 23 Plumas Creek at Benner Creek Campground. 1706 Comment
  HSC93486  Barbarea vulgaris G. Fred Hrusa, T. D. Wilfred 1997-6-26 13925 Plumas Brady's Camp, Pine Creek Valley, 0.5 mi. NE of Argentine Rock 2125 Comment
  RSA52909  Beckmannia syzigachne R. Weatherby 1950-7-27 1502 Plumas Indian Creek, 2 miles south of Crescent Mills. 1037 Comment
  UC224015  Beckmannia syzigachne Mrs. Ames Plumas Comment
  CHSC54465  Betula pumila var. glandulifera Vernon H. Oswald; Lowell Ahart 1991-7-30 4790 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) eastnortheast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced, marshy enclosure at the springs. 1310 Comment
  CAS-BOT-BC102167  Bidens James T. Vale 1980-9-22 s.n. Plumas West shore, Lake Almanor Comment
  CAS-BOT-BC102076  Bidens cernua John Thomas Howell 1951-8-20 28204 Plumas Indian Valley 1066 Comment
  CAS-BOT-BC102168  Bidens cernua L. P. Janeway 1993-9-22 4600 Plumas Plumas National Forest, Meadow Valley quad, north side of Snake Lake 1208 Comment
  CAS-BOT-BC102170  Bidens cernua John Thomas Howell 1961-9-23 36871 Plumas Cooks Creek near Engelmine 1082 Comment
  UCR45296  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  CAS-BOT-BC413055  Bistorta bistortoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54387 Plumas Slope 0.25 miles east of Bucks Summit on road to Quincy 1670 Comment
  SEINET4176591  Bistorta bistortoides A. A. Heller, P. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC16870  Boechera Mary Strong Clemens 1920-6-4 s.n. Plumas Greenville. Comment
  UCD114358  Boechera breweri R. E. Preston 1982-4-29 273 Plumas ca. 30 yds e of Chips Creek, between Forest and Riparian zone, ca. 100 yds n of Hwy 70. 655 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
  CHSC97026  Boechera breweri subsp. breweri Susan Bazell; Gerry Ingco 2007-6-9 51 Plumas Along Caribou Fisherman's Trail which begins at far side of power plant in old town of Caribou at end of Caribou Rd, off Hwy 70. 944 Comment
  CHSC33810  Boechera constancei M. S. Taylor 1981-6-22 3943 Plumas N and S side of 25N57, ca. 0.5 mi e of jct 25N57 with 25N17, ca. 4 air mi nw of Meadow Valley. 1615 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  SEINET4339632  Boechera peirsonii C. D. Bailey 2009-7-21 291 -C. D Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Southeastern side of Mt. Elwell. 2083 Comment
  CAS-BOT-BC14262  Boechera pinetorum Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1.5 miles west of Finger Board, about 4 miles northwest of Pilot Peak. 1828 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
  CAS-BOT-BC14662  Boechera rectissima Thomas H. Kearney 1944-8-14 57 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC14703  Boechera rectissima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2428 Plumas Butterfly Botanical Area and Vicinity. Collected in vicinty of mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25591  Boechera retrofracta John Thomas Howell; Gordon H. True 1973-7-31 50115 Plumas Sierra Nevada. Diamond Range. Summit range of Thompson Peak. 2194 Comment
  CHSC72308  Boechera sparsiflora L. P. Janeway; Glenn Clifton 1998-7-9 5735 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CAS-BOT-BC25907  Boechera suffrutescens John Thomas Howell 1951-6-27 27628 Plumas Sierra Nevada. Jamison Creek. 1828 Comment
  CAS-BOT-BC25909  Boechera suffrutescens John Thomas Howell; Gordon H. True 1973-7-31 50117 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak. 2194 Comment
  CAS-BOT-BC25933  Boechera suffrutescens John Thomas Howell 1960-7-22 35901 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  CHSC89285  Boechera suffrutescens G. Douglas Barbe; T. C. Fuller 1982-6-15 3730 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC89310  Boechera suffrutescens G. Douglas Barbe; T. C. Fuller 1982-6-15 3730 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS95600  Boechera suffrutescens Lowell Ahart 1994-6-29 7409 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1723 Comment
  CHSC82537  Botrychium simplex var. compositum Lowell Ahart 2002-6-26 9785 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
  CAS-BOT-BC36772  Brassica rapa John Thomas Howell 1966-7-29 42025 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC186698  Brassicaceae John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2375 Plumas In canyon of Butterfly Creek. Between Spanish Creek and Butterfly Valley Comment
  CHSC69698  Brickellia californica Vernon H. Oswald; Lowell Ahart 1997-8-19 8870 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. 627 Comment
  CAS-BOT-BC127778  Brickellia grandiflora M. S. Taylor; H. Swanson 1982-8-11 4972 Plumas Along n side of Jamison Creek Rd (507), on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville 1798 Comment
  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
  SEINET8466115 Image available Brodiaea gracilis John Thomas Howell, Gordon H. True 43374 Plumas About 2 miles southeast of Mt. Hough. Plumas County, California 1829 Comment
  SEINET10830992  Bromus Mary Susan Taylor 1982-9-13 Taylor 5137 A Plumas T23N R14E se/ne sec. 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Road bridge (109) over Feather River, on S side of the river, ca. 1 mile W of Beckwourth. 1487 Comment
  SEINET3921868  Bromus carinatus Lewis S. Rose 1951-6-27 51021 Plumas Johnsville, CA.; 0 1600 Comment
  SEINET8338124  Bromus carinatus John Thomas Howell 1960-7-23 35932 Plumas Drakesbad. Comment
  CHSC53075  Bromus carinatus var. marginatus L. P. Janeway 1989-6-29 3416 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  SBBG115956  Bromus carinatus var. marginatus C. B. Hardham 1970-8-9 17716 T Plumas rd to Thompson Pk Lookout 1981 Comment
  CAS-BOT-BC155052  Bromus hordeaceus John Thomas Howell 1961-6-21 36666 A Plumas Sierra Nevada. Greenville. 1097 Comment
  UC1131201  Bromus madritensis subsp. rubens G. T. Nordstrom 1934-7-10 212 Plumas 2 1/2 mi sw of Gravel Range (Plumas National Forest); Plumas National Forest 1493 Comment
  SEINET208632 Image available Bromus orcuttianus Lewis S. Rose 1967-7-10 67152 Plumas 3 mi. W. of Keddie, Butterfly Valley 1097 Comment
  UCD59660  Bromus secalinus Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  CAS-BOT-BC161354  Bromus tectorum Walter Knight; Irja Knight 1967-5-22 1893 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon. 1066 Comment
  CHSC117315  Bromus vulgaris L. P. Janeway 2016-8-10 12150 Plumas Northern High Sierra Nevada. Plumas National Forest; about 100 m south of Gibsonville-Johnsville Road on east side of Continental Ravine (a tributary of West Branch Nelson Creek). 1830 Comment
  RSA700312  Bromus vulgaris L. Ahart 2004-7-27 11318 Plumas about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northwest of La Porte 1712 Comment
  CDA5380  Buddleja davidii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .266 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC108739  Calamagrostis canadensis B. Castro; L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At upper lake/lower forest edge around much of lake, expecially the north half. 2058 Comment
  RSA0000411  Calamagrostis micrantha var. sierrae Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC114408  Calamagrostis stricta subsp. inexpansa Don Lepley 2014-9-26 Plumas Lassen National Forest; Almanor Ranger District. Along Rock Creek, about 1/4 mile below crossing of Road 29N55. 1743 Comment
  CAS-BOT-BC438482  Calandrinia ciliata John Thomas Howell 1962-6-18 37765 Plumas Sierra Valley near Beckwourth 1487 Comment
  CDA18591  Calochortus coeruleus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3274 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  JEPS105976  Calochortus coeruleus Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC487772  Calochortus coeruleus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54325 Plumas 1.4 miles north-northeast of Englemine on Diamond Mt. Road, Sierra Nevada 1295 Comment
  SD6512  Calochortus elegans Mrs. R. M. Austin 1878-1 Plumas Big Meadows. Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  JEPS61667  Calochortus leichtlinii Esther C. Fritz 1933-6-28 Plumas near Rock Creek Comment
  UC337912  Calochortus nudus unknown 1889-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC493421  Calochortus nudus T. S. Brandegee 1892-7-4 s.n. Plumas Prattsville Comment
  SD7979  Caltha howellii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meadows Comment
  RSA293418  Calycadenia truncata subsp. truncata Reino Alava 1957-7-7 1210 Plumas Along the road, 16.5 miles southwest of Tobin, on Hwy; Featherwater River Canyon 12 Comment
  CHSC82494  Calyptridium monospermum Lowell Ahart 2002-6-26 9777 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CHSC95009  Calyptridium monospermum Lowell Ahart 2006-10-23 13495 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS110516  Calyptridium monospermum Lowell Ahart 2006-10-23 13495 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  UC569762  Calyptridium monospermum F. W. Embree 1934-6-22 119 Plumas 6 mi sw of Buck's Ranch (Oroville - Quincy road) 1615 Comment
  JEPS103356  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  SD46711  Calyptridium umbellatum Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2135 Comment
  UC1136660  Calyptridium umbellatum E. Sawyer 1935-5-22 20 Plumas 3/4 mi sw of Beckwith Butte 1493 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
  SEINET7125762  Calystegia fulcrata subsp. malacophylla M. J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1067 Comment
  CHSC82464  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2002-6-26 9767 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  CHSC82602  Calystegia malacophylla subsp. malacophylla L. P. Janeway 2001-7-3 7257 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. 1567 Comment
  JEPS28595  Calystegia malacophylla subsp. malacophylla George W. Gillett 1957-7-13 757 Plumas below Sifford Lakes along direct route to Devils Kitchen (Lassen Volcanic National Park); , below Sifford Lakes 2057 Comment
  RSA710259  Calystegia occidentalis var. tomentella R. K. Brummitt 1998-5-17 19887 Plumas Rte. 89 near Indian Falls, 4 km from Rte. 70 junction, opposite Dawn Community Centre. 1000 Comment
  RSA122814  Calystegia occidentalis var. tomentella C. G. Albertus 1935-7-20 208 Plumas 1.5 miles S.W. of Lava Peak. 1311 Comment
  SEINET10902982  Calystegia polymorpha Mary Susan Taylor 1982-8-12 Taylor 4981 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
  CAS-BOT-BC497558  Camassia quamash subsp. breviflora A. L., Mrs. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC497567  Camassia quamash subsp. breviflora Fred Sommers 1976-6-11 130 Plumas Sierra Valley 1487 Comment
  UCD138366  Camassia quamash subsp. breviflora Matt Georgeff 1992-5-18 23 Plumas near Portola, left at Davis Lake turnoff. 1615 Comment
  JEPS113918  Camelina microcarpa William Harnach 2004-5-30 1189 Plumas Sierra Valley east of Vinton on Hwy 70 at the Vinton cemetery. Comment
  CAS-BOT-BC160850  Camissonia tanacetifolia subsp. quadriperforata Lewis S. Rose 1934-7-23 34411 Plumas Chilcoot, Sierra Valley 1522 Comment
  RSA184942  Campanula prenanthoides L. S. Rose 1966-7-26 66049 Plumas Butterfly valley- 3 mi w. of Keddie. 1067 Comment
  RSA261563  Campanula prenanthoides James I. Mallory 1969-8-21 349 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte, Plumas National Forest. 1524 Comment
  SEINET10463005  Campanula prenanthoides Wagner 1919-7-6 Wagner 309 Plumas Canyon, Middle Fork of Feather River near Nelson Point 1097 Comment
  CAS-BOT-BC37822  Cardamine nuttallii M. S. Taylor 1982-6-1 4580 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CDA37790  Cardamine nuttallii G. D. Barbe, T. C Fuller 1982-7-16 3754 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
  SEINET5341065  Cardamine nuttallii G. C. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  JEPS48660  Cardamine oligosperma Esther C. Fritz July, 1933 Plumas along Schneider Creek 1188 Comment
  CAS-BOT-BC38090  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 1036 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
  RSA189362  Cardamine pachystigma L. S. Rose 1967-5-7 67060 Plumas South of Keddie. Butterfly Creek and Spanish Creek. 884 Comment
  CAS-BOT-BC18348  Carex John Thomas Howell 1962-6-16 37642 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  CAS-BOT-BC18351  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54181 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  CAS-BOT-BC18354  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54339 Plumas Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road. 1341 Comment
  SEINET13320071  Carex L. S. Rose 1967-1 67151 Plumas Butterfly Valley 1097 Comment
  CHSC108109  Carex abrupta Lowell Ahart 2011-9-20 17686 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  SEINET10872734  Carex amplifolia Mary Susan Taylor 1982-8-9 Taylor 4947 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CAS-BOT-BC17922  Carex angustata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CHSC47351  Carex angustata L. P. Janeway 1989-6-15 3315 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  CHSC36854  Carex athrostachya M. S. Taylor 1982-6-28 4780 Plumas S edge of Feather River, Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  CHSC97520  Carex athrostachya Lowell Ahart; John Dittes 2007-6-17 14165 Plumas West bank of 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
  SEINET4292090 Image available Carex athrostachya L. Ahart, Guardino, J 2005-1 12254 Plumas Yellow Pine Forest. in a small dry meadow and near a small drainage, between Lights Creek and Fant Creek,west of Forest Road 27N09, about 6 miles (air) northwest of the Boulderreek Work Center at Antelope Lake. Comment
  SJSU7489  Carex athrostachya Lewis S. Rose 1968-6-10 68094 Plumas Quincy 1036 Comment
  SEINET7550695 Image available Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy. 1036 Comment
  CHSC87988  Carex aurea Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 Plumas Edge of a small seep, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  RSA189329  Carex aurea L. S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie, Butterfly Valley. 1098 Comment
  JEPS28337  Carex aurea George W. Gillett 1957-7-13 753 -a Plumas across creek from Devil's Kitchen; Lassen Volcanic National Park 1859 Comment
  CHSC48548  Carex bolanderi L. P. Janeway 1987-6-20 2281 Plumas Ravine on N side of S Br Middle Fk Feather River below Whiskey Hill. 1158 Comment
  CHSC67857  Carex bolanderi James D. Jokerst 1985-6-10 2408 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CAS-BOT-BC19628  Carex brainerdii Lewis S. Rose 1969-6-23 69043 Plumas 8 miles southwest of Quincy. La Porte Road. 1310 Comment
  CHSC41163  Carex brainerdii L. P. Janeway 1985-6-27 1204 Plumas Near the U.C. Forestry Camp, southwest of Meadow Valley. F.S. Rd 23N16--Schneider Cr Rd. 1182 Comment
  CHSC53566  Carex brainerdii L. P. Janeway; Gary Benson, Randy Harrison 1984-9-25 1175 Plumas SW side of Humbug Valley near Miller Ravine. 1341 Comment
  CHSC55555  Carex brainerdii L. P. Janeway 1990-7-3 3759 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 2/3 mi south of Little Grizzly Creek. 1874 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SEINET13344650  Carex brainerdii D. W. Taylor 2008-6-18 20221 Plumas Sierra Nevada, South Fork Rock Creek, along Forest Road 24N28, Plumas National Forest (watershed North Fork Feather River) 1609 Comment
  RSA364726  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas On Humboldt Road, branching W of highway 89, W of Lake Almanor. Ca. 3 miles W on this road. 1524 Comment
  UCD140238  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC34408  Carex cusickii Mrs. H. C. Cantelow 1938-7-4 2273 A Plumas Meadow at Drakesbad. Comment
  CAS-BOT-BC20593  Carex douglasii Lewis S. Rose 1954-5-30 54063 Plumas Johnsville. 1600 Comment
  CHSC68374  Carex douglasii L. P. Janeway 1996-6-5 4994 Plumas Northwest corner of Sierra Valley, Ramelli Ranch; 400 ft south of Middle Fork Feather River and 300 ft west of road to Calpine. 1488 Comment
  UCD108006  Carex douglasii Tim Kuhn 2006-6-14 59 Plumas south of Frenchman Lake. Comment
  CAS-BOT-BC20089  Carex echinata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1499 Plumas Butterfly Botanical Area and Vicinity. Along road at Fern Glen. 1097 Comment
  CAS-BOT-BC20087  Carex echinata F. Thos. Griggs 1975-1-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  CDA13852  Carex feta G. F. Hrusa, T. D. Wilfred 1996-8-2 13465 Plumas Sierra Nevada; Volcanic slopes on E side of Fells Creek immed. upstream from USFS 23N22 crossing. Clumped individual at top of spring, open. Comment
  CDA33073  Carex feta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3163 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  UC1133356  Carex filifolia var. erostrata E. Sawyer 1935-6-22 21 Plumas 3/4 mi sw Beckwith City; Sierraville Quadrangle Comment
  CAS-BOT-BC20697  Carex fracta John Thomas Howell 1951-6-28 27649 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CAS-BOT-BC20699  Carex fracta L. P. Janeway; Garrett Gibson 1991-8-2 4102 Plumas Plumas National Forest. Beckwourth Ranger District. Southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC32027  Carex geyeri L. P. Janeway 1990-8-16 3831 Plumas Babcock Peak quad, Ca 0.2 mi N of Meadow Cr, halfway btw Red Clover Cr and Mt. Ingalls 2011 Comment
  CHSC52545  Carex heteroneura var. heteroneura L. P. Janeway 1989-7-12 3481 Plumas Plumas National Forest. Along Jackson Cr; rd 23N11 2.3 mi from Hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  JEPS117647  Carex heteroneura var. heteroneura Lowell Ahart 2010-7-27 16932 Plumas Damp meadow, about 150 yards north of the South Fork of the Feather River, north 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 1634 Comment
  UC943023  Carex hoodii Lewis S. Rose 1951-6-27 51025 Plumas Johnsville 1600 Comment
  CAS-BOT-BC28080  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Portola quad, ca 0.5 mi NE of Carman Saddle, 1.5 mi W of Beckwourth Peak, 1706 Comment
  CAS-BOT-BC7850  Carex infirminervia John Thomas Howell 1960-7-20 35759 Plumas Boiling Springs Lake. 1798 Comment
  SEINET7562361 Image available Carex infirminervia George W. Gillet 1957-7-13 748 Plumas Lassen Volcanic National Park. Near trip up the Flatiron from Drakesbad, near juncture of Devile Kitchen and Bench Lake trails. 1859 Comment
  CAS-BOT-BC7747  Carex integra Lewis S. Rose 1954-5-30 54066 Plumas Johnsville. 1600 Comment
  JEPS124405  Carex jonesii Lowell Ahart 2015-7-4 20277 Plumas About 1/2 mile west of the of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS116646  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Lowers end of Rock Isand Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road Soapstone Hill; Northen High Sierra Nevada 1526 Comment
  RSA169430  Carex lemmonii L. S. Rose 1963-6-3 63097 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  SEINET12650661  Carex lemmonii L. S. Rose 1967-1 67111 Plumas Butterfly Valley 1219 Comment
  CAS-BOT-BC31214  Carex lenticularis var. impressa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  SJSU13951  Carex lenticularis var. impressa N. A. Hopkins 1985-8-27 1311 Plumas Grass Lake 1786 Comment
  CAS-BOT-BC28511  Carex lenticularis var. lipocarpa E. K. Balls 1950-9-9 15736 Plumas Along small lake W of Lakes Center Public Campground. 2042 Comment
  CAS-BOT-BC28514  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44241 Plumas Chambers Lodge, Lake Tahoe. 1920 Comment
  CHSC46988  Carex luzulina var. ablata L. P. Janeway 1989-8-4 3553 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  CAS-BOT-BC32030  Carex multicaulis Brink; Mayer 1975-6-1 s.n. Plumas bucks Lake area. Comment
  CAS-BOT-BC32075  Carex multicaulis Alice Eastwood 1929-6-1 14657 Plumas Forest Lodge near Greenville. Comment
  CAS-BOT-BC32029  Carex multicaulis H. A. Thomas 1936-5-25 47 Plumas Along Bear Creek Road, SE of Camp (ca 1/4 mi) 1219 Comment
  CAS-BOT-BC32226  Carex multicostata John Thomas Howell 1951-6-27 27593 Plumas McRae Meadow. 1981 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
  RSA71293  Carex multicostata L. S. Rose 1951-6-28 51036 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CAS-BOT-BC119863  Carex nebrascensis Thomas H. Kearney 1944-8-14 26 Plumas Near Prattville, Lake Almanor. Comment
  CDA17811  Carex nebrascensis G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3323 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CHSC46999  Carex nebrascensis L. P. Janeway 1984-7-13 905 Plumas Southwest of Bucks Lake, near Grizzly Cr campground. 1584 Comment
  CHSC47343  Carex nebrascensis L. P. Janeway 1989-6-16 3334 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CHSC47344  Carex nebrascensis L. P. Janeway 1989-6-16 3340 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  SEINET7568662 Image available Carex nebrascensis L. P. Janeway 2004-8-22 8316 Plumas Crocker Mtn 7.5' quad. Northern High Sierra Nevada. Along Crocker Creek 0.4 km north of Crocker Meadow. 1731 Comment
  CAS-BOT-BC119853  Carex nebrascensis John Thomas Howell; Gordon H. True 1967-6-11 42571 Plumas Meadow at Quincy 1036 Comment
  SEINET4292062 Image available Carex pachycarpa Unknown 2003-1 7910 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. Reading Peak 7.5' quad. Comment
  CHSC60502  Carex pachystachya L. P. Janeway 1992-6-4 4212 Plumas Plumas National Forest. South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines; 1/2 mi west of Mohawk, 1/4 mi west of Middle Fork Feather River. 1341 Comment
  UC1778648  Carex pachystachya G. Douglas Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3112 Plumas 0.25 mile W of Round Valley Reservoir Dam, moist meadow at NW shore of the reservoir. 1371 Comment
  CAS-BOT-BC119184  Carex pachystachya D. E. (Mrs. A. A. Beetle) Beetle 1941-6-28 55 Plumas NW corner of Lake Almanor. 975 Comment
  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
  JEPS107626  Carex pellita Lowell Ahart, Josephine Guardino 2005-8-9 12283 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CHSC118771  Carex pellita Wendy Boes 2014-9-4 2014 -041 Plumas Plumas National Forest. Parnassia Fen, Lakes Basin.(UTM 700224 E, 4399796 N, NAD83, Zone 10N.) 1767 Comment
  CAS-BOT-BC118340  Carex praegracilis W. Harnach; N. Harnach 1989-4-16 033 Plumas Sierra Valley, 3/4 mi W of Steel Bridge on Marble Lane. 1487 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-BC117897  Carex scabriuscula John Thomas Howell 1962-6-16 37644 Plumas Feather River North Fork on road to Caribou. 731 Comment
  CAS-BOT-BC117898  Carex scabriuscula John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54148 Plumas 2.65 miles W of Round Valley Reservoir dam. 1569 Comment
  CHSC102008  Carex scabriuscula L. P. Janeway; B. Castro 2009-8-29 9943 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CAS-BOT-BC117519  Carex sheldonii L. P. Janeway; Jim Battigan; Stacy Scott 1989-7-6 3453 Plumas Along Red Clover Cr and Red Clover Valley, 1.5 mi W of the Clover Valley Ranch bldgs 1652 Comment
  CAS-BOT-BC117735  Carex simulata Hans Leschke 1960-8-10 1786 b Plumas Badger Flat. 1912 Comment
  CDA17790  Carex simulata G. D. Barbe, T. C. Fuller 1982-6-17 3864 a Plumas Frenchman Lake Region; 2 miles N of Turkey Point Fishing Access; shore of N arm of the lake. 1706 Comment
  CDA14577  Carex subfusca G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3058 Plumas Headwaters of S Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC55446  Carex subfusca L. P. Janeway 1990-7-11 3786 Plumas Plumas National Forest. Halfway between Paradise Creek and Emigrant Creek, and about 2/3 mi south of Little Grizzly Creek. 1874 Comment
  CHSC92306  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS107615  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS115917  Carex subfusca Lowell Ahart, John Dittes 2009-7-27 16171 Plumas On damp to dry soil, on the south end of a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS117656  Carex subfusca Lowell Ahart 2010-7-27 16926 Plumas On the north side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  UCD140912  Carex subfusca John Thomas Howell 1960-7-22 35875 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  SEINET10946212  Carex subfusca Lawrence P. Janeway 1990-7-2 Janeway 3751 Plumas Mt. Ingalls quad T24N, R12E, NW1/4 of sec. 20. About 100 ft. west of Paradise Cr. and 1/2 mi south of Little Grizzly Cr. 1859 Comment
  CDA17262  Carex utriculata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16289 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  CHSC53546  Carex utriculata L. P. Janeway 1990-6-11 3782 Plumas Plumas National Forest. Halfway between Paradise Cr and Emigrant Cr, and ca 2/3 mi S of Little Grizzly Cr. 1874 Comment
  SEINET10466857  Carex vesicaria Mary Susan Taylor 1982-9-8 Taylor 5109 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC43527  Carex whitneyi Lowell Ahart 1977-7-9 1461 Plumas On a logging road near Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1645 Comment
  CHSC87129  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
  SEINET11044476  Carex whitneyi J. T. Howell 1977-1 52407 Plumas Sierra Nevada, on the peninsula of Lake Almanor 1372 Comment
  CHSC21725  Castilleja F. T. Griggs; A. Pass 1975-7-8 110 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC249012  Castilleja F. Thos. Griggs 1975-1-1 308 Plumas Bucks Lake area Comment
  UCR270585  Castilleja applegatei John F. Emmel 1998-6-6 1557 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 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-BC249742  Castilleja applegatei subsp. pinetorum John Thomas Howell 1962-6-19 37852 Plumas The Buttes, n. Sierra Valley 1493 Comment
  CHSC36853  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-21 4895 Plumas Around s end of Bachs Creek Ridge. Ca. 5 mi se of Quincy. 1752 Comment
  CHSC79822  Castilleja applegatei subsp. pinetorum G. F. Hrusa; B. A. Smith 1996-8-8 13467 Plumas Sierra Nevada. 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1950 Comment
  JEPS26690  Castilleja applegatei subsp. pinetorum P. C. Hutchison 1961-6-9 2129 Plumas 0.4 mi e Round Valley Reservoir dam and store; Round Valley Reservoir Comment
  JEPS9894  Castilleja applegatei subsp. pinetorum W. L. Jepson 1939-7-31 19296 Plumas halfway between Buck's Valley and Meadow Valley; Spanish Peak 1676 Comment
  UC619270  Castilleja applegatei subsp. pinetorum J. and H. W. Grinnell 1938-6-11 1092 Plumas Mohawk 1341 Comment
  SEINET10582742  Castilleja applegatei var. fragilis John Thomas Howell, Gordon H. True; Margaret J. Williams 1973-7-31 Howell 50126 Plumas On road from Janesville to Thompson Peak, Diamond Range. 1981 Comment
  CHSC63474  Castilleja arachnoidea Lowell Ahart 1994-7-20 7479 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  SD131939  Castilleja arachnoidea Rimo Bacigalupi, Aldo Bacigalupi 1952-8-19 3951 Plumas slopes to the east of Long Lake 2042 Comment
  JEPS62839  Castilleja campestris subsp. campestris John Weiler 1970-7-2 70178 Plumas 5.8 mi n Highway 49 (w of Loyalton, along Harriet Lane) 1524 Comment
  UC174566  Castilleja lacera A. A. Heller and P. B. Kennedy 1907-7-6 8752 Plumas Red Clover Valley Comment
  CAS-BOT-BC253999  Castilleja miniata Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC254061  Castilleja miniata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  UC1063337  Castilleja miniata F. W. Embree 1934-6-12 104 Plumas 1 mi s Bucks Ranch; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  CAS-BOT-BC254051  Castilleja miniata Clarence R. Quick 1934-7-4 1334 Plumas Headwater of Clear Creek, Plumas National Forest Comment
  JEPS118430  Castilleja miniata subsp. miniata Lowell Ahart 2011-9-20 17684 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  JEPS83445  Castilleja pruinosa G. L. Stebbins 1986-6-29 C 610 Plumas above Meadow Valley Comment
  CHSC43565  Castilleja tenuis Lowell Ahart 1979-7-18 1985 Plumas In a small meadow, along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  SD46688  Castilleja tenuis Robert J. Weatherby 1950-7-7 1462 Plumas meadow edge, Snake Lake, Quincy 1219 Comment
  UCD20964  Castilleja tenuis E. Bortiri 2002-6-21 WFC 12 Plumas Rocky Point East, Ramelli Ranch , near Portola. Comment
  JEPS82979  Ceanothus Toni Fauver 1984-5-13 227 Plumas Caribou rd to Humbug Valley Feather River 1371 Comment
  JEPS113883  Ceanothus arcuatus L. P. Janeway 2007-5-20 8981 Plumas Northern High Sierra Nevada; Top of Red Hill 1929 Comment
  SBBG120145  Ceanothus arcuatus L. P. Janeway 2007-5-20 8997 Plumas Hwy 70, East Branch North Fk Feather River, Serpentine Cyn, 1 rd km E of Rich Bar Overlook 777 Comment
  CAS-BOT-BC47869  Ceanothus cordulatus Alice Eastwood 1927-6-15 14596 Plumas On road to Long Valley Comment
  CAS-BOT-BC48615  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC48616  Ceanothus cordulatus M. B. Kildale 1926-9-11 2727 Plumas Juniper Lake 2054 Comment
  JEPS115781  Ceanothus cordulatus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15868 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  CHSC73987  Ceanothus integerrimus B. Castro; L. Gehrung 1998-9-24 841 Plumas Ca 3 air mi W of Pilot Peak, on S-facing slope of W-trending ridge, on E side of USFS Rd 22N60 ca 0.1 mi S of the Pacific Crest Trail crossing. 1798 Comment
  UC1070762  Ceanothus integerrimus D. Axelrod 1934-6-9 35 Plumas 2.5 mi w Lexington Hill; Bidwell Bar quad., Plumas Nat. For. 1706 Comment
  RSA104151  Ceanothus integerrimus var. puberulus T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  RSA60128  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-4 15671 Plumas 2 miles from Feather River Ezperiment Station, Quincy, on roa to Snake Lake. 1159 Comment
  RSA74355  Ceanothus integerrimus var. puberulus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on yellow Creek, Belden, Feather River Canyon Comment
  LA44875  Ceanothus jepsonii C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
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May 17 2021
  UC79984  Ceanothus lemmonii J. G. Lemmon 1874-1 Plumas 5 mi s Quincy; American Valley Comment
  LA44855  Ceanothus leucodermis Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  RSA641886  Ceanothus prostratus Michael A. Vincent 1999-6-8 8558 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  UC1071281  Ceanothus prostratus R. Roseberry 1934-11-14 15 Plumas 1 1/2 mi s Otis Ranch; Plumas National Forest, Downieville Quad. Comment
  UC1778615  Ceanothus prostratus G. Douglas Barbe, T. C. Fuller 1982-7-16 3775 Plumas Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  UCD112651  Ceanothus prostratus R. O. Hanes 1995-4-11 253 Plumas Tahoe Forest. Road 45-25. 1005 Comment
  CHSC73429  Ceanothus velutinus B. Castro 1995-11-30 630 Plumas Ca 0.22 air mi E of Soapstone Hill, and ca 0.1 mi N of 'Prospect' site on maps, on E edge of USGS Rd 23N23 just S of major W-trending ravine. 1584 Comment
  LA45110  Ceanothus velutinus C. W. Hallis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA121650  Ceanothus velutinus E. Sawyer 1935-6-14 111 Plumas Two miles northeast of Kerby. 1646 Comment
  CAS-BOT-BC63191  Ceanothus velutinus var. velutinus L. P. Janeway 1989-6-15 3324 Plumas NE-facing slopes on flank of Crocker Mtn. above Red Clover Valley. 1722 Comment
  CHSC20809  Centaurea cyanus K. R. Stern 1975-7-24 5846 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC45650  Centaurea cyanus Vernon Oswald 1984-7-9 1356 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  CHSC81605  Centaurea solstitialis Lowell Ahart 2001-10-8 9330 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS98962  Centaurea stoebe subsp. micranthos Lowell Ahart 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  JEPS24248  Cephalanthera austiniae Helen-Mar Beard 1960-6-20 Plumas just s. Caribou (w. of Cherry Hill, summit at head of Rich Gulch on way to Red Hill Lookoot, ridge between N. Fork Feather R. & E. Branch N. Fork, forest service rd.) 1463 Comment
  CAS-BOT-BC384933  Cerastium arvense John Thomas Howell 1961-9-22 36792 Plumas At Lewisia Rock, North Fork of Feather River 640 Comment
  CHSC100440  Cerastium fontanum subsp. vulgare Lowell Ahart 2008-9-10 15365 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
  JEPS113420  Cercocarpus ledifolius var. intermontanus Lowell Ahart, John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2509 Comment
  CAS-BOT-BC276725  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad 1615 Comment
  CAS-BOT-BC276730  Chaenactis douglasii var. douglasii W. Harnach; N. Harnach 1989-7-16 223 Plumas Barry Hill (McElroy on map) 1584 Comment
  SEINET9442528  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1989-6-29 203 Plumas Sierra Valley, Approx 4 miles W of Vinton on Hwy 70, Hindoo Ranch. 1490 Comment
  SEINET11720502  Cheilanthes gracillima R. M. Austin n d s.n. Plumas Crescent Mills Comment
  CHSC102140  Chenopodium album Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16246 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC84563  Chenopodium album John Dittes; Lowell Ahart 2003-8-8 2003 -95 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  JEPS110525  Chenopodium album Lowell Ahart 2006-10-23 13471 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast or Strawberry Valley 1281 Comment
  JEPS108998  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2006-10-8 13411 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  CAS-BOT-BC460983  Chenopodium atrovirens John Thomas Howell 1960-7-22 35893 Plumas Lassen Volcanic National Park, Drakesbad, near soda spring 1828 Comment
  CHSC94840  Chenopodium berlandieri Lowell Ahart 2006-10-8 13391 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-BC451419  Chimaphila menziesii Mrs. Jos. Clemens 1919-10-14 s.n. Plumas Greenville Comment
  UC171032  Chimaphila menziesii H. M. Hall 1912-7-14 9389 Plumas Nelson Creek Sierra Nevada Mts., Nelson Creek 1524 Comment
  UCD117410  Chimaphila umbellata James I. Mallory 1969-8-21 356 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CAS-BOT-BC452246  Chimaphila umbellata David D. Keck 1932-7-3 1636 Plumas Northern Sierra Nevada: Quincy; forest, to south of town 1065 Comment
  RSA0091374  Chimaphila umbellata Bonnie C. Templeton 1968-1 11291 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA286338  Chimaphila umbellata subsp. occidentalis R. F. Thorne 1974-7-30 45015 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA52868  Chimaphila umbellata subsp. occidentalis R. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy. 1220 Comment
  CHSC56544  Chrysolepis sempervirens L. P. Janeway 1984-7-13 916 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  HSC39510  Chrysolepis sempervirens J. O. Sawyer 1976-8-5 2828 Plumas Bucks Summit E of Bucks Lake Comment
  UC1135250  Chrysolepis sempervirens G. Burks 1933-8-8 31 Plumas 4.5 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar 1706 Comment
  UCD110139  Chrysolepis sempervirens James I. Mallory 1969-8-21 354 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET7450658 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  CAS-BOT-BC100817  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1961-9-25 36959 Plumas Portola 1478 Comment
  CAS-BOT-BC100826  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1989-9-6 3642 Plumas Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth 1752 Comment
  JEPS113431  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart, John Dittes 2007-8-9 14431 Plumas Along the west side of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  JEPS21428  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1939-8-10 19370 Plumas hills at Blairsden Comment
  JEPS96042  Circaea alpina subsp. pacifica Vernon H. Oswald and Lowell Ahart 1996-8-14 8152 Plumas n.e. La Porte (on La Porte-Quincy Rd. 3.1 mi. n. of rd. to Johnsville, 1.0 mi. s. of S. Fork Feather R.); n. High Sierra Nevada 1920 Comment
  SD46610  Circaea alpina subsp. pacifica Robert J. Weatherby 1950-7-7 1451 Plumas Osnsner Creek, Quincy 1219 Comment
  JEPS28619  Circaea alpina subsp. pacifica George W. Gillett 1957-7-17 802 Plumas near the e. inlet upper Willow Lake meadow; Lassen Volcanic Nat'l Park, Willow Lake meadow 1661 Comment
  CAS-BOT-BC284414  Cirsium arvense M. S. Taylor 1981-7-29 4143 Plumas E side of 25N42 Flournoy Grade, 1.5 mi S of Flournoy Bridge, ca. 3 air mi. e. of Genesee 1402 Comment
  CAS-BOT-BC278027  Cirsium cymosum John Thomas Howell; R. C. Barneby 1954-5-14 29554 Plumas Dilleker [Delleker], just west of Portola 1469 Comment
  UC91724  Cirsium douglasii var. breweri D. C. 1882-7-25 124 Plumas Big Meadows Comment
  CDA1373  Cirsium occidentale var. candidissimum T. C. Fuller 1957-9-16 304 -57 Plumas Storrie. Comment
  UCD130632  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road just north of county line, 7.3 miles south Vinton. Comment
  JEPS59251  Cirsium scariosum O. E. Mack 1923-7-9 Plumas Chester Comment
  SDSU3800  Cirsium vulgare D. F. Howe 1959-8-2 2781 Plumas Meadow at Quincy. 1067 Comment
  CAS-BOT-BC228899  Cistanthe umbellata Lowell Ahart 1985-9-26 5182 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
  CDA23050  Clarkia G. D. Barbe 1981-6-23 3085 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CHSC28485  Clarkia gracilis subsp. gracilis R. A. Schlising 1979-6-12 3454 Plumas Along Hwy 70 in Feather River Canyon, 3.9 miles SW of jct with Hwy 89 west of Quincy. Comment
  CAS-BOT-BC163861  Clarkia purpurea subsp. quadrivulnera John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2133 Plumas At spring. Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC163851  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  CHSC70762  Clarkia stellata L. P. Janeway 1994-6-11 4660 Plumas Humbug Road 0.5 mi south of Humboldt Road; about 2 mi southwest of Lake Almanor. 1377 Comment
  CAS-BOT-BC165428  Clarkia unguiculata John Thomas Howell 1967-6-22 42651 Plumas Near mouth of Granite Creek. Canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC451740  Claytonia lanceolata Mrs. H. C. Cantelow 1938-7-4 4206 Plumas S. side Soda Creek. Drakesbad Comment
  CHSC33628  Claytonia lanceolata M. S. Taylor; M. Foster 1981-6-3 3837 Plumas In wet meadow, s side of rd 24N61, ca. 1.5 air mi s of Little Summit Lake, ca. 10 mi nw of Portola. 2103 Comment
  JEPS100225  Claytonia lanceolata Dean W. Taylor 2002-7-3 18220 Plumas Forest Road 22N27 ca. 0.5 miles west from junction Forest Road 22N29 (ca. 1 air mile NW of Little Grass Valley dam) 1706 Comment
  CAS-BOT-BC233844  Claytonia parviflora subsp. parviflora A. A. Heller 1913-6-13 10846 Plumas Near Marston Station 1066 Comment
  CAS-BOT-BC443636  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1927-6-11 14479 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CAS-BOT-BC443643  Claytonia perfoliata subsp. perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1832 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 1066 Comment
  CHSC82451  Clintonia uniflora Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9830 Plumas On the south side of Forest Road 22N94, about 75 yards west 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. 1577 Comment
  CDA14727  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3253 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC101857  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15888 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC96895  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14002 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS31011  Collinsia parviflora D. E. Breedlove 1962-6-12 Plumas 1 mi se Cromberg (in upper drainage of Middle Fork Feather River, on bank of Jackson Creek); Sierra Nevada, upper drainage of Middle Fork Feather River 1341 Comment
  SEINET10832480  Collinsia rattanii Mary Susan Taylor 1982-5-25 Taylor 4523 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  UC1238980  Collinsia torreyi var. torreyi Freed W. Hoffman 1946-6-12 748 Plumas between Mohawk and Calpine 1524 Comment
  CHSC96921  Collinsia torreyi var. wrightii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14006 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97009  Collomia grandiflora B. Castro; Shannon Nielsen 2005-7-12 1491 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; more plts found at this jcn, also on roadside.. 1453 Comment
  JEPS87595  Collomia grandiflora Lowell Ahart 1994-7-7 7461 Plumas about 0.75 air mi s Pilot Peak (on n side of Pacific Crest Trail, on Bunker Hill Ridge, Plumas and Sierra Counties); Bunker Hill Ridge, Pacific Crest Trail 2011 Comment
  CHSC35921  Collomia heterophylla M. S. Taylor 1982-5-13 4434 Plumas Cut roadbank, across from parking lot, Gansner Park, Quincy. 1036 Comment
  UC972193  Collomia heterophylla Milo S. Baker 1952-5-27 12468 a Plumas Hwy 24 perhaps 20 mi below Belden (drinking fountain on right side of highway); Feather River Canyon Comment
  UC907904  Collomia linearis Milo S. Baker 1935-6-26 8115 Plumas Hwys 39 and 89 Childs Meadows Comment
  SJSU14361  Collomia tinctoria N. A. Hopkins 1990-7-1 1625 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1584 Comment
  CHSC54414  Comarum palustre Vernon H. Oswald 1991-7-17 4748 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  RSA754869  Conyza canadensis L. Ahart, John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  RSA101511  Corallorhiza maculata R. Weatherby 1955-7-4 1594 Plumas Across Rock Creek, 0.5 mile below Deane Valley, near Meadow Valley 1341 Comment
  JEPS115163  Cordylanthus tenuis subsp. tenuis Lowell Ahart, John Dittes 2009-7-15 16089 Plumas On dry rocky soil, open forest, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  JEPS48455  Cordylanthus tenuis subsp. tenuis Lewis S. Rose 1966-7-26 66047 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  JEPS81612  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1982-9-8 5117 Plumas s side of Round Valley Reservoir (in Bellas Flat near Bellas Creek, ca. 4 air mi s of Greenville); Greenville SW quad 1371 Comment
  CAS-BOT-BC209426  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CHSC113637  Cornus sericea subsp. sericea Lowell Ahart 2014-8-31 19817 Plumas South of an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, west side of Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CDA38544  Cornus sessilis L. P. Janeway 1996-4-23 4958 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. Comment
  SEINET10453356  Cornus stolonifera Mary Susan Taylor 1981-7-17 Taylor 4028 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  SBBG70195  Corydalis caseana R. M. Austin -Jul-1877 Plumas Mill Creek [American Valley?] Comment
  CAS-BOT-BC401865  Corydalis caseana subsp. caseana John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50634 Plumas Headwaters of Indian Creek s. of Diamond Mt. 2103 Comment
  CAS-BOT-BC401873  Corydalis caseana subsp. caseana Robert J. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge, near Taylor Lake 1981 Comment
  UC634897  Corydalis caseana subsp. caseana Ethel Wicks July 1926 2897 Plumas Mt. Elwell Comment
  CAS-BOT-BC287206  Cota tinctoria John Thomas Howell 1960-7-24 35995 Plumas Chester 1371 Comment
  CAS-BOT-BC141571  Crataegus castlegarensis John Thomas Howell 1980-5-27 53605 Plumas Near Crescent Mills in southwestern end of Indian Valley - Sierra Nevada 1066 Comment
  CAS-BOT-BC290443  Crepis acuminata John Thomas Howell 1975-7-22 51360 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  CHSC34903  Crepis bakeri M. S. Taylor 1981-6-3 3855 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 Comment
  CDA17287  Crepis intermedia G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16314 Plumas Sierra Nevada; Willow Creek Rd. 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  SBBG33894  Crepis intermedia L. S. Rose 1969-6-24 Plumas Butterfly and Spanish Crks 853 Comment
  UC581220  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2232 Plumas Red Rock; sw slopes and ridge crest, n of Engelmine Comment
  POM17470  Crepis intermedia Mary E. P. Ames 1891-06 s.n. Plumas Taylorsville, Indian Valley; American River Hills, near Auburn Comment
  SEINET7837084 Image available Crepis intermedia A. A. Heller, P. B. Kennedy 1907-7-11 8802 Plumas Prattville Comment
  SEINET10839182  Crepis occidentalis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4333 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC58157  Crepis occidentalis subsp. conjuncta Vernon H. Oswald 1992-6-18 4998 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. just inside the boundary of the park. Openings bordering the N side of the road. 1615 Comment
  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
  CHSC81843  Crypsis alopecuroides Lowell Ahart 2001-10-16 9377 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC40256  Crypsis schoenoides Lowell Ahart; Rob Schlising, Jim Jokerst 1985-8-12 5162 Plumas Near the edge of Highway 70, about 1.7 miles west of Rich Gulch Road, about 2 miles east of Rich Bar. 822 Comment
  CAS-BOT-BC189307  Cryptantha Clare B. Hardham 1975-8-2 20482 Plumas Black Mountain 2133 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
  CHSC100336  Cryptantha affinis Lowell Ahart 2008-7-9 15061 Plumas Near seeps, on the east side of the good logging road , about 100 yards south of a small stream, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  CHSC76042  Cryptantha affinis G. F. Hursa 1997-6-26 13897 Plumas 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1500 Comment
  JEPS114419  Cryptantha affinis Lowell Ahart 2008-7-9 15053 Plumas Basalt area, bare area near mined basalt, about 20 yards north of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte 1686 Comment
  POM287900  Cryptantha affinis Lyman Benson 1932-7-29 3997 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  SEINET8518892  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-9 8777 Plumas Prattville. Comment
  UCD119040  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  RSA687513  Cryptantha affinis G. D. Barbe, T. Fuller, J. T. Howell 1981-6-24 3235 Plumas 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1738 Comment
  UC280607  Cryptantha ambigua Katharine Brandegee Plumas Portola Comment
  CAS-BOT-BC189330  Cryptantha circumscissa W. Harnach; N. Harnach 1990-6-16 386 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  CHSC54315  Cryptantha milobakeri Vernon H. Oswald; Lowell Ahart 1991-6-18 4681 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  JEPS95557  Cryptantha simulans Lowell Ahart 1994-7-7 7460 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 2011 Comment
  CDA18476  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3216 Plumas Sierra Nevada; 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  SBBG32305  Cryptantha torreyana L. S. Rose 1967-7-11 67157 Plumas Mt Hough Rd, 2 mi NE of Quincy Junction 1219 Comment
  CHSC24964  Cryptogramma acrostichoides L. Mayer; D. Brink 1975-7-1 Plumas Buck's Lake Survey. Comment
  RSA716416  Cryptogramma acrostichoides L. Ahart 2005-9-19 12373 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  SD27412  Cryptogramma acrostichoides Mrs. R. M. Austin 1879-1 Plumas Comment
  SD9682  Cryptogramma acrostichoides J. G. Lemmon 1875-1 Plumas Sierra Valley Comment
  CAS-BOT-BC80527  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1-1/2 miles west of Wheeler Peak 1996 Comment
  CAS-BOT-BC80529  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1 1/2 mi. W. of Wheeler Peak Comment
  CAS-BOT-BC80530  Cupressus bakeri C. R. Quick; R. F. Wilcox 1962-10-1 62 -2 Plumas About 3/4 mile NE of Eisenheimer Peak, near east side of Mud Lake, extending northward down slope toward Wilcox Valley 2042 Comment
  RSA715691  Cuscuta californica L. Ahart 2005-8-10 12303 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CHSC36925  Cuscuta californica var. breviflora M. S. Taylor; H. Swanson 1982-8-11 4964 Plumas Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. 2133 Comment
  CHSC94728  Cuscuta subinclusa Lowell Ahart 2006-11-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake. 1516 Comment
  JEPS116103  Cuscuta subinclusa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16247 Plumas Growing on Ceanothus integerrimus, on the west side of Forest Service Road 26N22, 1.2 miles (air) east of Seneca 1517 Comment
  JEPS118405  Cuscuta subinclusa Lowell Ahart 2011-9-17 17677 Plumas Stems parasitizing Arctostaphylos patula, on the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  RSA104168  Cycladenia humilis Mrs. R. M. Austin 1881-06 s.n. Plumas [Unspecified] Comment
  RSA739641  Cycladenia humilis B. Castro, L. P. Janeway 2005-9-11 1523 Plumas 5 air miles N of Bucks Lake and 3 miles S of Hwy 70 and the Feather River Canyon, 0.4 air miles W of Three Lakes. 1723 Comment
  SD7703  Cycladenia humilis var. humilis R. M. Austin 1880-1 Plumas Dutch Hill Comment
  JEPS102381  Cynoglossum officinale Lowell Ahart 2001-7-17 8910 Plumas about 2 1/2 air mi N of Humboldt Summit (E of a small branch of Butt Creek, sides of a poor logging road) 1828 Comment
  SEINET10467142  Cyperus aristatus Mary Susan Taylor 1982-9-7 Taylor 5105 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CAS-BOT-BC114546  Cyperus eragrostis John Thomas Howell 1959-9-21 34795 Plumas Virgilia. 841 Comment
  CAS-BOT-BC113877  Cyperus niger var. capitatus Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass Comment
  CHSC117631  Cyperus squarrosus Lowell Ahart 2016-8-30 21329 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC114129  Cyperus squarrosus Doris K. Kildale 1926-9-11 2780 Plumas Creek near Chester. Comment
  CAS-BOT-BC494112  Cyperus squarrosus W. Harnach; N. Harnach 2000-8-2 969 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
  CHSC69522  Cyperus strigosus Lowell Ahart 1997-9-11 7909 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
  RSA508639  Cypripedium californicum Mrs. R. M. Austin 1880-7-21 s.n. Plumas Mount Dyer 1829 Comment
  CHSC33878  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas Ca. 50 to 100 ft up and s of Buckhorn Creek, ca. 2 ... Field redacted by CHSC, contact the data manager for more information 1584 Comment
  CHSC100346  Cystopteris fragilis Lowell Ahart 2008-7-16 15090 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC21807  Cystopteris fragilis F. T. Griggs; A. Pass 1975-7-8 118 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33624  Cystopteris fragilis M. S. Taylor; M. Foster 1981-6-2 3826 Plumas S side of Hwy 70, ca. 100 ft upslope (w) of RR tracks, ca. 200 yds s of Spring Garden Overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CHSC39377  Cystopteris fragilis L. Ahart; P. Ahart 1983-8-17 4340 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-La Porte Rd, northeast of La Porte. 2000 Comment
  SD19364  Cystopteris fragilis Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SD9962  Cystopteris fragilis Mrs. R. M. Austin 1876-1 Plumas Comment
  SEINET6629016  Cystopteris fragilis M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls, Jamison Creek, above Johnsville 1859 Comment
  UC123018  Cystopteris fragilis Mrs. R. M. Austin June 1874 306 Plumas Rocky Bluff, Black Hawk Creek Comment
  UCSB46169  Dactylis glomerata Reisentz, Paul 1979-5-12 Plumas 1.0 mi W on North Fork Camp Road from Hwy 70; 2 mi N of Beldon Comment
  CAS-BOT-BC445528  Damasonium californicum W. R. Dudley 1909-8-26 s.n. Plumas Bottom of Ice House Pond, Sierra Valley Comment
  CAS-BOT-BC445533  Damasonium californicum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UCD60723  Danthonia californica var. americana R. Tofsrud 1948-7-23 Plumas 1.5 mi N of Quincy off Hwy 24-89. Comment
  JEPS106216  Danthonia californica var. californica Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11006 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  CHSC112553  Danthonia unispicata B. Castro; L. P. Janeway 2007-6-24 1645 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, 250-300 ft below edge ofopen Ponderosa-Jeffrey pine forest. 1674 Comment
  SEINET4566647  Danthonia unispicata A. A. Heller, P. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC76211  Darlingtonia californica L. S. Smith 1927-10-1 2460 Plumas Plumas Forest. Strawberry Valley west end. Comment
  CAS-BOT-BC76214  Darlingtonia californica Mrs. J. H. Brinkers 1892-5-26 s.n. Plumas Quincy. Comment
  CDA25338  Darlingtonia californica G. D. Barbe 1977-8-16 2328 Plumas 0.6 mile west of road to Twain, 0.6 mile west of end of pavement; Butterfly Valley. 0 Comment
  CHSC37008  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PGE wire between dirt rd and Feather River, ... Field redacted by CHSC, contact the data manager for more information 853 Comment
  HSC20169  Darlingtonia californica L. S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. S of Keddie. 1037 Comment
  SBBG30523  Darlingtonia californica D. Myrick 1968-6-18 1933 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  SBBG32403  Darlingtonia californica L. S. Rose 1968-6-11 Plumas Butterfly Valley, 4 mi S of Keddie Marsh 1036 Comment
  UCD119060  Darlingtonia californica Dean Ahrenholz 1964-5-16 22 Plumas Snake Lake Road, 5 miles west of Quincy. Comment
  UCD119075  Darlingtonia californica Barry Rice 2010-6-11 BR 100605 Plumas Along York Creek. Comment
  SEINET6647409  Darlingtonia californica H. N. Mozingo s.n. Plumas Butterfly Valley Comment
  RSA468320  Darmera peltata Christopher Davidson 1975-6-7 2743 Plumas Ca 3 mile E of Quincy on Hwy 70-89. Greenhorn Creek. 1120 Comment
  JEPS113920  Delphinium William Harnach 2006-5-29 1228 Plumas Sierra Valley 0.5 miles south of Hwy 70, on A-23, west at R/R crossing, then 1.5 miles along road. Comment
  CAS-BOT-BC9861  Delphinium nudicaule Clare Butterworth Hardham 1961-6-16 7458 Plumas Diamond Peak 2133 Comment
  CHSC97159  Delphinium nudicaule Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14009 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CAS-BOT-BC9821  Delphinium nudicaule Lowell Ahart 1981-6-23 2864 Plumas Along West Branch of Hopkins Creek, near Blue Nose Mtn., about 12 miles NE of La Porte 1800 Comment
  CAS-BOT-BC9856  Delphinium nudicaule Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas 6 miles west of Quincy on road to Meadow Valley 1173 Comment
  JEPS23486  Delphinium nudicaule Esther C. Fritz 1933-6-27 Plumas banks of falls just s UC Forestry Camp (Camp Califorest) (s edge of valley); Meadow Valley, Schneider Creek, Schneider Falls 1158 Comment
  SEINET5338038  Delphinium nudicaule P. A. Lehenbauer 1926-5-31 1466 Plumas Clover Creek, Plumas Natl. Forest. Comment
  UCD95881  Delphinium nudicaule Dean Dubbe 1974-4-26 6 -4 Plumas Feather River Canyon, 5 miles south of Belden on State Highway 70. 670 Comment
  CAS-BOT-BC116096  Delphinium nuttallianum Anna Head 1920-7-1 s.n. Plumas Gravelly flats near Gold Lake, Feather River Region 1828 Comment
  CHSC45507  Delphinium nuttallianum Lowell Ahart 1977-6-20 1432 Plumas About 1/2 mile north-east of Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  CAS-BOT-BC116111  Delphinium nuttallianum Mrs. E. C. Sutliffe 1918-7-1 s.n. Plumas Plumas Co. Comment
  CAS-BOT-BC116122  Delphinium nuttallianum Lowell Ahart 1989-7-2 6357 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 2103 Comment
  HSC27048  Delphinium nuttallianum John Pratt 1970-6-30 59 Plumas Humboldt Summit Comment
  POM220717  Delphinium nuttallianum M. Canby 1929-5-12 161 Plumas 15 miles W of Portola Comment
  SEINET5338054  Delphinium nuttallianum A. A. Heller, P. B. Kennedy 1907-7-3 8702 Plumas Hills above Red Clover Valley. Comment
  UCD13270  Delphinium nuttallianum Dean Dubbe 1974-5-18 14- 7 Plumas Plumas CO. Butterfly Valley, 6 miles northwest of Quincy, off of Hwy 89. Elevation 3600 feet. 1097 Comment
  CHSC116384  Deschampsia cespitosa Sara M. Taylor; Scott Batiuk, Kendra Sikes 2012-7-16 41 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  CAS-BOT-BC192432  Deschampsia cespitosa subsp. cespitosa K. Groneck 1976-7-1 s.n. Plumas Sierra Valley near Marble Hot Springs 1524 Comment
  JEPS76233  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1939-8-12 19401 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  JEPS76234  Deschampsia elongata W. L. Jepson 1939-8-12 19402 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  SEINET10834710  Deschampsia elongata A. Arthur Heller 1915-7-7 Heller 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, in granite in the yellow pine belt, 12 miles west of Bucks in moist grassy places, the principal undershrubs Ceanothus and Quercus vaccinifolia. 1676 Comment
  JEPS106041  Descurainia incisa subsp. incisa Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11164 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CHSC502  Descurainia pinnata subsp. halictorum G. Spurlock 1935-6-1 Plumas Chilcoot. 1524 Comment
  UC855120  Dicentra formosa Herbert A. Thomas 1936-6-4 87 Plumas Meadow Valley Creek; near creek fork on road to Camp Califorest 1158 Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  CAS-BOT-BC402541  Dicentra pauciflora P. G. Haddock 1938-5-29 14 Plumas East side of Rock Creek 1219 Comment
  CAS-BOT-BC402609  Dicentra uniflora Anna Head 1921-6-26 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC209231  Dichanthelium acuminatum subsp. acuminatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1675 Plumas Sweetwater Meadow - Butterfly Botanical Area and vicinity 1127 Comment
  CAS-BOT-BC253626  Dichanthelium acuminatum subsp. acuminatum Thomas H. Kearney 1945-8-16 s.n. Plumas Boiling Springs Lake, near Drakesbad, Lassen National Park Comment
  CAS-BOT-BC246542  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad, 1/8 mile south of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs 1676 Comment
  CAS-BOT-BC502664  Dichelostemma multiflorum John Thomas Howell 1975-6-16 51150 Plumas 2 miles northwest of Spring Garden 1173 Comment
  SEINET10533981  Dichelostemma multiflorum A. Arthur Heller 1938-6-14 Heller 15159 Plumas Shaded gravelly places near Gray's Flat on Highway #24, 2850 feet. The flowers are fewer and not so deeply colored as in the typical form common near Chico. Comment
  UCD139255  Dichelostemma multiflorum E. W. Jameson 1949-6-12 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  SJSU13892  Dieteria canescens var. canescens N. A. Hopkins 1985-8-30 1329 Plumas Marble Hot Springs Road near Marble Hot Springs, Sierra Valley Comment
  JEPS113931  Dieteria canescens var. canescens W. and N. Harnach 2000-9-3 1003 Plumas Sierra Valley, Gold Development, along the river trail. Comment
  CAS-BOT-BC151815  Diplacus mephiticus Lewis S. Rose 1939-6-8 39256 Plumas N. Fork of Feather river, 11 mi. sw. of Belden 609 Comment
  CAS-BOT-BC151824  Diplacus mephiticus L. P. Janeway 1989-6-9 3276 Plumas Forest along southwest side of Red Clover Valley - Beckwourth Ranger District, Plumas National Forest 1676 Comment
  CHSC101792  Diplacus mephiticus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC112113  Diplacus mephiticus L. P. Janeway 2014-7-30 11566 Plumas Northern High Sierra Nevada. Plumas National Forest; 2.3 air-mi northe of the Little Grass Valley Reservoir dam; near top of ridge above Road 22N27 0.6 km north of the major junction with the 94 road. 1765 Comment
  CHSC42037  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 Plumas Along the edge of a side road, north of Cleghorn Bar Road, about 1 and 3/4 miles north-west of Finger Board, about 4 1/4 miles north-west of Pilot Peak. 1828 Comment
  CHSC53707  Diplacus mephiticus L. P. Janeway 1989-7-13 3486 Plumas Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd III) 11.3 mi from Beckwourth. Plumas National Forest. 1699 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CHSC24968  Diplacus torreyi L. Mayer; D. Brink 1975-7-3 Plumas Buck's Lake Survey. Comment
  CAS-BOT-BC151692  Diplacus torreyi J. M. Tucker 1948-7-24 1720 Plumas Near road form Cascade to Camel Peak 1615 Comment
  CHSC21082  Disporum hookeri F. T. Griggs; A. Pass 1975-7-2 51 Plumas Buck's Lake Forest Service Survey. Comment
  UC336519  Disporum hookeri unknown July, 1875 Plumas Indian Valley Comment
  SEINET8564046  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  CHSC20831  Downingia bacigalupii K. R. Stern 1975-7-23 5820 Plumas NW shore of Lake Almanor. 1371 Comment
  UC2043146  Downingia bacigalupii Barbara Ertter 1989-7-5 8690 Plumas Coyote Flat W of Lake Almanor, 4.2 mi W of junction of Highway 89 and Highway 36. Comment
  UC614875  Downingia bacigalupii Beryl O. Schreiber 1932-7-19 462 Plumas near Prattville Comment
  SEINET8039229  Downingia bacigalupii E. Sawyer 1935-6-27 159 Plumas Plumas Forest, Charles Valley, Sec. 26. 1524 Comment
  SJSU14210  Downingia bacigalupii N. A. Hopkins 1989-6-7 1522 Plumas Squaw Valley 1706 Comment
  UC711959  Downingia bacigalupii Roxana S. Ferris and Laura Lorraine 1941-8-9 10437 Plumas about 2.5 mi from Lake Almanor Public Camp (State Highway 89, on road to Chester) Comment
  SBBG69656  Downingia elegans Mrs. H. P. Bracelin 1932-7-25 695 Plumas 7 mi S of Chester 1524 Comment
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Aug 14 2015
  CHSC81357  Draba verna L. P. Janeway 1996-4-11 4955 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CDA9321  Draperia systyla D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .276 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  CDA14691  Draperia systyla G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3168 Plumas Dark Ravine Creek, 2.7 miles south of Dixie Canyon-Round Valley Road. 1524 Comment
  RSA129730  Draperia systyla F. W. Embree 1934-6-21 114 Plumas Penstocks, above Storie. 1479 Comment
  JEPS84391  Drosera rotundifolia V. Oswald and W. Dempsey 1989-8-3 3914 b Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  CAS-BOT-BC401581  Drosera rotundifolia Robert J. Weatherby 1950-7-21 1482 Plumas Butterfly Lake, Quincy district 1219 Comment
  HSC93420  Drosera rotundifolia Vernon H. Oswald, L. Ahart 1996-7-15 8050 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  CAS-BOT-BC159675  Drymocallis glandulosa J. D. Schoeller 1928-7-16 380 Plumas Mt. Hough 1/2 mi. W Crystal Lake - Plumas National Forest 2072 Comment
  CAS-BOT-BC159301  Drymocallis lactea var. lactea A. A. Heller 1913-6-13 10863 Plumas Near Quincy 1066 Comment
  CHSC36508  Dysphania botrys L. Ahart 1981-9-6 3075 Plumas On a 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 Mill. 1200 Comment
  CHSC94667  Dysphania pumilio Lowell Ahart 2006-10-8 13413 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
  SEINET3015222  Echinochloa colona L. Ahart 1997-9-11 7898 Plumas On the W edge of Caribou Rd, on the W side of the North Fork of the Feather River, about 1.8 mi S of mosquito Creek, about 5 miles (air) mortheast of Belden. 792 Comment
  CHSC81848  Echinochloa crus-galli Lowell Ahart 2001-10-16 9380 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC197242  Echinochloa muricata Walter Knight; Irja Knight 1967-7-10 2196 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CHSC81169  Eleocharis acicularis Lowell Ahart 2001-8-29 9230 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA32329  Eleocharis acicularis var. acicularis Clarence R. Quick 1945-7-20 4568 Plumas U.S.F.S. fenced pasture, Deane s Valley, southeast of Meadow Valley Comment
  CAS-BOT-BC113495  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  SEINET10467317  Eleocharis bella Lowell Ahart 1985-7-11 Ahart 5137 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
  CHSC82152  Eleocharis coloradoensis L. P. Janeway 2001-7-25 7389 A Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  CAS-BOT-BC113389  Eleocharis engelmannii Lowell Ahart 1981-9-6 3101 Plumas 1 1/2 mi SW of Crescent Mills. 1200 Comment
  CAS-BOT-BC113395  Eleocharis engelmannii var. detonsa John Thomas Howell 1926-7-30 2158 Plumas Adjacent to Pond Reservoir. Butterfly Botanical Area. 1371 Comment
  CHSC113863  Eleocharis engelmannii var. engelmannii Lowell Ahart 2014-9-9 19856 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CAS-BOT-BC112917  Eleocharis macrostachya John Thomas Howell 1926-7-26 2133 Plumas Near Prattville 1371 Comment
  SEINET13710085  Eleocharis macrostachya Lowell William Ahart, Lowell William Ahart 2000-1 8382 Plumas 5 Air Mi. NE of Quincy, Butterfly Valley (T25N, R9E, sec 28, SW 1/4) 3300 Ft. 1006 Comment
  CAS-BOT-BC113329  Eleocharis montevidensis Fred Sommers; Greg Sommers 1976-7-20 104 Plumas Plants of the Marble Hot Springs Area, Sierra Valley Marsh. 1487 Comment
  POM313050  Eleocharis obtusa var. engelmannii Malcolm A. Nobs, S. Galen Smith 1949-8-18 1356 Plumas Drying mud flats at the south end of Lake Almanor Comment
  NY803662  Eleocharis torticulmis L. P. Janeway 2000-7-3 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  SEINET13710238  Eleocharis torticulmis Lowell William Ahart, Lowell William Ahart 2001-1 9277 Plumas S of The Darlingtonia Bog and E of The Dirt Road, N of The Jeep Road to The Pond, Butterfly Valley, 5 Air Mi. NW of Quincy (T25N, R9E, sec 20, SE 1/4) Comment
  SEINET4889477  Elodea canadensis W. Harnach, N. Harnach 2000-8-2 966 Plumas Sierra Valley, 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC451532  Elodea canadensis M. S. Taylor 1982-6-12 4640 Plumas In w edge of Lake Almanor, s side of Hwy 36, ca. 0.5 mi e of Chester. 1371 Comment
  CHSC87983  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11162 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC24280  Elymus elymoides subsp. elymoides K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  UC1132969  Elymus elymoides subsp. elymoides C. W. Hanks 1934-8-8 21 Plumas ridge top n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC24266  Elymus glaucus K. R. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  SBBG553  Elymus glaucus A. A. Beetle 1941-6-28 2903 Plumas St Hwy 36, 10 mi W of Chester 1524 Comment
  CAS-BOT-BC206501  Elymus glaucus subsp. glaucus Clare B. Hardham 1978-8-11 21765 Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  UCD62423  Elymus multisetus G. L. Stebbins Jr. 1939-7-6 2902 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CAS-BOT-BC213817  Elymus repens John Thomas Howell 1967-6-22 42663 Plumas Court house square, Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC213818  Elymus repens John Thomas Howell 1961-9-23 36826 Plumas Indian Valley - Sierra Nevada 1082 Comment
  SD149206  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Circa 0.1 mile North of Feather Fork Mine, circa 8 miles North of La Porte 2000 Comment
  CAS-BOT-BC204409  Elymus trachycaulus subsp. trachycaulus David D. Keck 1944-7-8 5429 Plumas 1 mile N. of Quincy, across Spanish Creek 1066 Comment
  CDA12143  Elytrigia intermedia subsp. barbulata G. F. Hrusa, J. Dinsdale 1989-6-25 7191 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CAS-BOT-BC165923  Epilobium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54097 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CHSC97508  Epilobium brachycarpum Lowell Ahart; John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SBBG119866  Epilobium brachycarpum L. Ahart, J. Dittes 2003-8-8 10481 Plumas W side of Beckwourth Calpine Rd, ca. 0.5 air mi SW of Beckwourth, Sierra Valley 1478 Comment
  UC1191738  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-9-4 8365 Plumas Tobin Feather River Canyon (Hwy 24) Comment
  UC1191620  Epilobium campestre Malcolm A. Nobs and S. Galen Smith 1949-8-18 1349 Plumas s end of lake Lake Almanor Comment
  CHSC102046  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2009-7-27 16180 Plumas On damp to dry soil, bottom and sides of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC34303  Epilobium ciliatum subsp. ciliatum L. Ahart 1981-9-6 3098 Plumas On sand bar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC82463  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9823 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
  RSA59252  Epilobium ciliatum subsp. ciliatum E. K. Balls 1950-8-31 15541 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 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
  CHSC92122  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes 2005-9-19 12388 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake. 2080 Comment
  JEPS113552  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
  JEPS115226  Epilobium ciliatum subsp. glandulosum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16148 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam 1606 Comment
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  RSA88517  Epilobium foliosum J. T. Howell 1951-6-26 27547 Plumas Feather River Canyon 854 Comment
  CHSC54481  Epilobium oregonense Vernon H. Oswald; Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). On a slope bordering the creek. 1777 Comment
  CAS-BOT-BC57896  Equisetum X ferrissii John Thomas Howell 1961-9-23 36844 Plumas Indian Valley. 1082 Comment
  CAS-BOT-BC57000  Equisetum arvense E. K. Balls 1950-8-31 15532 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  RSA59233  Equisetum arvense E. K. Balls 1950-8-31 15532 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  CAS-BOT-BC57402  Equisetum laevigatum John Thomas Howell; Gordon H. True 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC204596  Eragrostis mexicana subsp. virescens John Thomas Howell 1961-9-22 36811 Plumas Greenville 1088 Comment
  CAS-BOT-BC284070  Eragrostis pectinacea var. pectinacea John Thomas Howell 1961-9-22 36810 Plumas Greenville, Sierra Nevada 1088 Comment
  CHSC34320  Eragrostis pectinacea var. pectinacea L. Ahart 1981-9-6 3107 Plumas Along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CAS-BOT-BC174150  Eremogone aculeata A. A. Heller; P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  CHSC98308  Eremogone aculeata L. P. Janeway 2007-6-3 9003 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CHSC70792  Eremogone cliftonii B. Castro 1995-7-3 579 Plumas Plumas and Butte County. Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
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Jul 8 2014
  JEPS91139  Eremogone cliftonii Dean Wm. Taylor with Glenn Clifton 1997-4-9 15947 Plumas Feather River Canyon; along Highway 70 about 0.5 miles E of crossing of Chambers Creek; Plumas National Forest Comment
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Jul 3 2008
  RSA105557  Eremogone cliftonii E. K. Balls, Lee W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy 40. 610 Comment
  SEINET10765289  Eremogone cliftonii John Thomas Howell 1967-6-23 Howell 42741 Plumas Near Rogers Flat bridge, North Fork Feather River. In gravel of disintegrating granite. 610 Comment
  CAS-BOT-BC174306  Eremogone congesta var. suffrutescens John Thomas Howell 1960-7-19 35672 Plumas Drakesbad. Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC174296  Eremogone congesta var. suffrutescens Anna Head 1921-7-11 s.n. Plumas Top of Indian Peak, Feather River Region Comment
  SEINET14608259  Eriastrum signatum W. Harnach, N. Harnach 2003-6-7 1144 Plumas Sierra Valley, ca 2 miles NNE of Chilcoot. 1631 Comment
  CAS-BOT-BC286647  Ericameria bloomeri John Thomas Howell; Gordon H. True 1959-9-24 34956 Plumas Near Cromberg 1249 Comment
  CAS-BOT-BC286648  Ericameria bloomeri L. P. Janeway 1990-8-29 3838 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC286651  Ericameria bloomeri M. S. Taylor 1981-8-19 4226 Plumas S side of 23N10, 0.5 mi e of its jct with spur rd 23N10G, ca. 5 air mi w of Sloat 1615 Comment
  CHSC67343  Ericameria bloomeri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2565 Plumas Red Mtn. Rd. above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  CHSC72257  Ericameria bloomeri Vernon H. Oswald; Beth Corbin, Kim Earll 1998-9-22 9654 Plumas Along the east side of Yellow Creek south of the PG and E campground in Humbug Valley and ca. 0.5 mi north of Middle Camp. 1298 Comment
  JEPS121761  Ericameria bloomeri L. P. Janeway 2013-8-28 11197 Plumas Northern High Sierra Nevada. Plumas National Forest; along the main road around the east side of Little Grass Valley Reservoir, across the road into Red Feather Campground. Comment
  OBI16780  Ericameria bloomeri Carl B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line 1463 Comment
  RSA21573  Ericameria bloomeri C. B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  SD50988  Ericameria bloomeri Darley F. Howe 1960-9-21 2989 Plumas On Highway 89 alternate, 10 miles from Highway 89 on road to Susanville 1675 Comment
  UC1557873  Ericameria bloomeri J. Semple, S. Heard 1986-8-13 8414 Plumas between La Porte and Quincy (Little Grassy Lake Rd., near Little Grassy Valley Rec. Area) Comment
  CAS-BOT-BC286661  Ericameria bloomeri John Thomas Howell 1960-7-24 35990 Plumas Kelly Camp, just outside Lassen Park 1615 Comment
  CAS-BOT-BC299439  Ericameria nauseosa var. speciosa Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC299441  Ericameria nauseosa var. speciosa Mrs. Jos Clemens 1919-11-1 s.n. Plumas Crystal Lake Comment
  CHSC64068  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1499 Comment
  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
  UC1119836  Ericameria nauseosa var. speciosa E. Nourse 1934-9-4 24 Plumas 2 1/2 mi ssw of Quincy; Plumas National Forest, Downieville Quad. 1828 Comment
  SD50708  Ericameria parryi var. latior Darley F. Howe 1959-8-3 2782 Plumas 42 miles north of Quincy on Highway 89. 1370 Comment
  CAS-BOT-BC293027  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas Near Blairsden 1341 Comment
  CAS-BOT-BC293028  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-23 36878 Plumas Cooks Creek road near Englemine [Engel Mine] 1082 Comment
  UC1730241  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas about 0.6 mi S of Pilot Peak (along Pacific Crest Trail at jct of Bunker Hill Ridge and Gibsonville Ridge) 2072 Comment
  CAS-BOT-BC294471  Erigeron bloomeri var. bloomeri John Thomas Howell 1962-6-18 37791 Plumas Sierra Valley near Beckwourth 1487 Comment
  UC584276  Erigeron bloomeri var. bloomeri G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2263 Plumas bare summit ridge and ridges sw of Diamond Mt. (s of Susanville) Comment
  CHSC36930  Erigeron canadensis M. S. Taylor 1982-9-7 5091 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  JEPS113588  Erigeron divergens Lowell Ahart, Josephine Guardino 2007-7-20 14337 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC295994  Erigeron divergens Gordon H. True; John Thomas Howell 1967-7-12 43383 Plumas Twain, Sierra Nevada 883 Comment
  CAS-BOT-BC296012  Erigeron divergens A. A. Heller; P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee Valley and Summit Comment
  UC176766  Erigeron divergens A. A. Heller and P. B. Kennedy 1907-7-16 8870 Plumas grade between Genessee Valley and Summit Comment
  UCD131859  Erigeron divergens Frederica Bowcutt 1985-6-5 532 Plumas About 15 air miles NE of Quincy on the SW side of Red Clover Creek and Beckwourth Genesee Road in Plumas National Forest. Comment
  CAS-BOT-BC300365  Erigeron eatonii var. nevadincola W. Harnach; N. Harnach 1990-6-27 415 Plumas Sierra Valley. Ramelli Ranch (USFS), so of R/R 1499 Comment
  CHSC72433  Erigeron eatonii var. plantagineus L. P. Janeway 1998-6-24 5667 Plumas South side of Ferris Creek about 1 mi southwest of Last Chance Creek (near 'Ferris Cabin'). Along Road 28N03. 1780 Comment
  UC1118207  Erigeron eatonii var. plantagineus E. Sawyer 1935-6-27 192 A Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Downieville Quadrangle Comment
  UC1563920  Erigeron eatonii var. plantagineus Barbara Ertter with Gary Schoolcraft 1989-7-3 8676 Plumas w side of ridge between Diamond Mt. and Red Rock (ca 8 air mi s of Susanville, steep slope above meadow) 2225 Comment
  CAS-BOT-BC300402  Erigeron eatonii var. plantagineus John Thomas Howell; H. Keith Wagnon 1980-5-27 53620 Plumas 1 mile west of Almanor 1386 Comment
  JEPS108583  Erigeron filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak 1884 Comment
  CHSC93042  Erigeron filifolius var. filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Moun-tains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. 1884 Comment
  CAS-BOT-BC300839  Erigeron glacialis var. glacialis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-19 Plumas Above Silver Lake. Trail to Mt. Elwell, Lakes Basin 2072 Comment
  CAS-BOT-BC300841  Erigeron glacialis var. glacialis Anna Head 1921-7-25 s.n. Plumas At head of Long Lake, Feather River Region 2042 Comment
  CAS-BOT-BC295213  Erigeron inornatus L. P. Janeway 1990-7-13 3798 Plumas Plumas National Forest, Beckwourth Ranger District. Near Emigrant Creek about 1/3 mi south of Little Grizzly Creek 1798 Comment
  SJSU6634  Erigeron inornatus var. inornatus J. W. Tilden 1958-6-29 1299 Plumas southwest shore of Lake Almanor 1828 Comment
  CHSC115898  Erigeron lassenianus var. deficiens L. P. Janeway 2015-7-29 11808 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CHSC72434  Erigeron lassenianus var. deficiens L. P. Janeway; B. Castro 1995-8-23 4898 Plumas Junction of Lumpkin Ridge Road and the '94' road; on the divide between Fall River and Black Rock Creek; about 1 mi northwest of Little Grass Valley Reservoir. 1735 Comment
  JEPS49080  Erigeron lassenianus var. lassenianus Lewis S. Rose 1966-7-26 66048 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  CHSC72438  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas On west side of Road 18 at junction with Road 23N69; at extreme east end of Red Mountian; about 2 mi south of Haskins Valley. 1792 Comment
  CHSC82080  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  RSA768850  Erigeron petrophilus var. sierrensis L. Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  CHSC118800  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015 -004 Plumas On eastern Rush Creek Hill. Forest Service Road 27N76 near 26N22L (UTM 659415 E, 4437357 N, NAD 83 Zone 10N; Elevation 1675 m.) 1675 Comment
  SEINET10537778  Eriogonum Mary Susan Taylor 1982-8-31 Taylor 5083 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  CHSC40852  Eriogonum elatum var. elatum K. R. Stern 1985-6-25 8225 Plumas Vicinity of Blairsden. 1432 Comment
  UC1032039  Eriogonum elatum var. villosum C. G. Albertus 1935-7-20 219 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10871610  Eriogonum luteolum Mary Susan Taylor 1981-7-26 Taylor 4114 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. On open rocky serpentine cliff, N side of Caribou Rd., 3.7 mi NE of its jct with Hwy 70 near Beldon. 853 Comment
  CAS-BOT-BC267329  Eriogonum luteolum var. pedunculatum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Indian Valley Road near Crater Nat'l. Park Comment
  CAS-BOT-BC267332  Eriogonum luteolum var. pedunculatum John Thomas Howell 1959-9-21 34808 Plumas Indian Creek Canyon, Sierra Nevada 914 Comment
  RSA766342  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8268 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  UC635078  Eriogonum marifolium Ethel Wickes July 1925 2892 Plumas Mt. Elwell Comment
  CHSC20975  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-23 250 Plumas Cape Lake. Comment
  CHSC34729  Eriogonum marifolium var. marifolium M. S. Taylor 1981-6-17 3917 Plumas On top of Mt Ingalls, ca. 7 air mi se of Genesee. 2551 Comment
  CAS-BOT-BC264815  Eriogonum nudum var. deductum John Thomas Howell 1975-7-22 51367 Plumas 2 miles northwest of Spring Garden, Sierra Nevada 1173 Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  SD46519  Eriogonum nudum var. deductum Robert J. Weatherly 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin area 2225 Comment
  UC1032193  Eriogonum nudum var. deductum E. Nourse 1934-8-9 36 Plumas 1 1/2 mi wsw Clermont Hill; Plumas National Forest, Downieville Quadrangle Comment
  UC1032194  Eriogonum nudum var. deductum G. T. Nordstrom 1934-7-3 180 Plumas 1 3/4 mi s by se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC261359  Eriogonum nudum var. deductum Alice Eastwood 1927-6-27 14884 Plumas On road from Chilcoott [Chilcoot], United States Forest Reserve Comment
  SEINET10479527  Eriogonum nudum var. deductum Mary Susan Taylor 1982-8-5 Taylor 4937 A Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  SEINET5330926  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 8834 Plumas Between Taylorville and Little Grizzly Creek Comment
  CHSC63711  Eriogonum nudum var. nudum Lowell Ahart 1994-10-19 7566 Plumas Along the edge of the dirt road, near Boulder Creek, Granite Basin. 1615 Comment
  JEPS56580  Eriogonum ovalifolium J. G. Lemmon Sept. 1878 Plumas Plumas County Comment
  RSA325151  Eriogonum ovalifolium var. nevadense M. S. Taylor, M. Foster 1981-6-8 3873 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
  RSA233760  Eriogonum pedunculatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39227 Plumas Just S of Beckwourth and S of the Feather River on Co. Hwy. A24. 1357 Comment
  POM161746  Eriogonum spergulinum var. reddingianum R. C. Bacigalupi 1927-7-11 1708 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  RSA201373  Eriogonum spergulinum var. reddingianum J. T. Howell 1960-7-18 35577 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  CAS-BOT-BC269955  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 6792 Plumas Lake Almanor, north shore Comment
  SEINET10937580  Eriogonum spergulinum var. reddingianum Mary Susan Taylor 1981-7-13 Taylor 3990 Plumas 7100 ft. T25N R15E sw sec 21. Ferris Creek quad. N side of 25N25Y, in dry sandy soil among sagebrush openings, near head of Ferris Creek, ca. 12 mi E of Doyle. 2164 Comment
  CHSC97165  Eriogonum strictum var. anserinum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14022 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
  UC2043047  Eriogonum strictum var. proliferum Barbara Ertter with Gary Schoolcraft 1989-7-3 8640 Plumas Ca 1/2 mile below Red Rock lookout, ca. 8 air miles S of Susanville. Comment
  UC569820  Eriogonum strictum var. proliferum E. Sawyer 1935-6-17 114 Plumas 5 mi se Crow; Sierraville Quadrangle 1950 Comment
  UC584344  Eriogonum strictum var. proliferum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2239 Plumas n Engelmine (sw slopes and ride crest Red Rock); Red Rock Comment
  CAS-BOT-BC267495  Eriogonum umbellatum L. P. Janeway 1992-7-8 4249 Plumas Plumas National Forest, Beckwourth Ranger District. 0.15 mi south of Beckwourth-Genesee Road, 0.7 mi northwest of Clover Valley Ranch 1676 Comment
  NY381117  Eriogonum umbellatum var. dumosum R. M. Austin 1875-1 185 Plumas Comment
  JEPS56207  Eriogonum umbellatum var. furcosum W. L. Jepson 1939-7-31 19311 Plumas Spanish Peak summit Spanish Peak 2147 Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS127331  Eriogonum umbellatum var. modocense Lowell Ahart 2016-7-9 21084 Plumas Top and on the east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC262076  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC60546  Eriogonum umbellatum var. nevadense L. P. Janeway 1992-7-13 4262 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Top of Grizzly Ridge between Joseph Creek and Greenhorn Creek. 2255 Comment
  SEINET10479560  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1981-7-17 Taylor 4045 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, just S of its jct with Long Lakes trail, ca. 6 air mi S of Mohawk. Dry & open, Montane Chaparral; 6500 ft elev. 1981 Comment
  SEINET10479567  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-6-7 Taylor 4611 Plumas 5700 ft. T23N R14E ne/nw sec 32. Portola quad. Open ridge e of Portola, Ramelli Ranch property, ca. 2 mi e of Portola. 1737 Comment
  JEPS94855  Eriogonum umbellatum var. polyanthum Vernon H. Oswald and Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway w of Meadow Valley (0.1 mi w of Silver Lake Road); Oroville-Quincy Highway 1158 Comment
  CAS-BOT-BC262242  Eriogonum ursinum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region 1981 Comment
  CAS-BOT-BC262256  Eriogonum ursinum Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, summit of Round Lake Peak, Feather River Region 2225 Comment
  CAS-BOT-BC262266  Eriogonum ursinum Lemmon 1878-9-1 s.n. Plumas Mohawk & 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
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake Comment
  UC635436  Eriogonum ursinum Herbert L. Mason 1924-6-19 1070 Plumas near base of Mt. Elwell; Bear Lake Comment
  UC6511  Eriogonum ursinum Lemmon Sept. 1878 Plumas Mohawk and Indian Valleys Comment
  SD86305  Eriogonum ursinum var. ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam Comment
  CHSC34742  Eriogonum vimineum M. S. Taylor 1981-6-25 3953 Plumas On hill at ne jct of 25N11 and spur rd off 25N71, where Last Chance Creek crosses 25N11, ca. 0.5 mi n of n tip of Frenchman Lake, ca. 13 mi nw of Chilcoot. 1737 Comment
  SEINET3814205 Image available Eriogonum vimineum Lewis S. Rose 1932-9-4 32601 Plumas Portola. 1372 Comment
  CAS-BOT-BC264129  Eriogonum vimineum John Thomas Howell 1977-8-11 52694 Plumas North end of Frenchmans Reservoir, Sierra Nevada 1706 Comment
  SEINET10904448  Eriogonum vimineum Mary Susan Taylor 1981-6-25 Taylor 3953 Plumas T24N R16E nw/ne sec 5. Frenchman Lake quad. On hill at NE jct of 25N11 and spur rd 25N71, near Last Chance Creek, ca. 0.5 mi N of N tip of the lake, ca. 13 mi NW of Chilcoot. Open bare areas on dry sandy soil; 5700 ft elev. 1737 Comment
  CHSC44259  Eriophorum gracile Vernon Oswald 1988-7-19 3605 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC301419  Eriophyllum lanatum var. grandiflorum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2351 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  RSA32738  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas Near Rich Bar, on Feather River Highway 762 Comment
  UC580658  Eriophyllum lanatum var. grandiflorum G. T. Nordstrom 1934-7-2 171 Plumas 1 mi se Mt. Ararat; Bidwell Bar Quadrangle Comment
  CHSC52514  Eriophyllum lanatum var. integrifolium L. P. Janeway 1990-7-6 3775 Plumas Plumas National Forest. About 200 ft east of Paradise Creek and about 1/3 mi south of Little Grizzly Creek. Along edges of dirt road and in old logging landing. 1844 Comment
  CHSC67427  Eriophyllum lanatum var. integrifolium James D. Jokerst; Lowell Ahart 1985-10-4 2587 Plumas Pilot Peak NE of La Porte. Comment
  CHSC80147  Eriophyllum lanatum var. integrifolium L. P. Janeway 1996-6-5 4993 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  SEINET10839140  Eriophyllum lanatum var. integrifolium Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4327 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10971127  Eriophyllum lanatum var. integrifolium Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3894 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
  SEINET8687310 Image available Eriophyllum lanatum var. integrifolium A. A. Heller, P. B. Kennedy 1907-7-2 8687 Plumas Between Vinton and Beckwith [Beckwourth] Comment
  JEPS115793  Erodium cicutarium Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15883 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line 1374 Comment
  CAS-BOT-BC41517  Erysimum asperum Lloyd W. Swift 1931-6-1 46 Plumas Plumas forest. Summit of Janesville Grade. 1828 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
  CHSC21028  Erythranthe breweri F. T. Griggs; A. Pass 1975-7-10 152 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC112119  Erythranthe guttata L. P. Janeway 2014-7-15 11531 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  SEINET14045706 Image available Erythranthe guttata Francis W. Pennell 1940-1 25813 Plumas Route 24 west of Mohawk R.S. 1463 Comment
  CHSC113902  Erythranthe 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. 1533 Comment
  OBI76974  Erythranthe moniliformis Anthony Baniaga 2011-7-26 468 Plumas Lassen Natl Forest. Jctn of F.S. 10 and "U" spur. Red Cinder quad T29N R7E sec 3 Se of SE 1794 Comment
  CHSC21024  Erythranthe primuloides F. T. Griggs; A. Pass 1975-7-10 135 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC64466  Erythranthe primuloides B. Castro 1994-9-8 545 Plumas Ca 1.2 air mi SE of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy on slope among Haskins Valley USFS Summer Home Tract cabins, where seeps and springs surface. 1627 Comment
  SEINET8409831  Erythranthe primuloides John Thomas Howell 1960-7-23 35953 Plumas near soda spring; Drakesbad. 1676 Comment
  SD7095  Erythranthe pulsiferae none given 1880-1 Plumas Plumas Co. Comment
  POM175522  Erythranthe pulsiferae F. W. Peirson 1926-6-21 6801 Plumas Lake Almanor. Comment
  CHSC33873  Erythronium purpurascens M. S. Taylor 1981-5-8 3655 A Plumas At jcts of rds 26N18, 26N92, and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC74144  Erythronium purpurascens B. Castro 1998-7-9 808 Plumas Ca 7.5 air mi SW of Bucks Lake on Rock Island Ridge, ca 2 air mi E of the Oro-Quincy Hwy, on N side of USFS Rd 23N18. 1554 Comment
  CAS-BOT-BC505255  Erythronium purpurascens H. C. Cantelow 1938-7-4 2297 Plumas Drakesbad, near edge of woods Comment
  CAS-BOT-BC403352  Eschscholzia californica John Thomas Howell 1959-9-24 34918 Plumas Crescent Mills 1066 Comment
  CHSC52722  Eucephalus breweri L. P. Janeway 1990-8-29 3841 Plumas Plumas National Forest. E-facing flank near the top of Mt. Ingalls. 2468 Comment
  CHSC40361  Euphorbia crenulata Lowell Ahart 1985-7-1 5097 Plumas Along the edges of the dirt road, about 1 1/2 miles east of Sawmill Flat, 1/2 mile north of Cleghorn Bar Road, about 5 miles north-west of Pilot Pk. 1828 Comment
  CAS-BOT-BC278465  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC102086  Festuca idahoensis Lowell Ahart; John Dittes 2009-7-13 16036 Plumas On dry to damp soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  RSA121315  Festuca idahoensis E. Sawyer 1935-6-25 151 Plumas Half mile north of Crow. 1677 Comment
  RSA794789  Festuca idahoensis L. Ahart, John Dittes 2009-7-13 16036 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
  CAS-BOT-BC278858  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of 23N39, ca. 1 air mi w of White Cap, ca. 4 air mi sw of Sloat 1767 Comment
  CHSC101781  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15862 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  UC717974  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi n Quincy (on road to Keddie); Sierra Nevada 1005 Comment
  CAS-BOT-BC279021  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45800 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  SEINET6697483  Fragaria vesca subsp. bracteata A. A. Heller, B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  UCD112555  Frangula californica Robbins; Raynor 1943-6-1 s.n. Plumas near Belden, Feather River Canyon. Comment
  CAS-BOT-BC55667  Frangula purshiana A. A. Heller; P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC55669  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  UCD112834  Frangula purshiana J. M. Tucker 1948-7-25 1746 Plumas above mine of United Mining Co., Pinchard Creek, southwest side of Camel Peak. Comment
  HSC100831  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9163 Plumas Ridge top on the N side of Oak Ridge, westerly sloping head of Foreman Creek, 1.4 air km NW of Grizzly Summit. 528 Comment
  JEPS114192  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9195 Plumas Northern High Sierra Nevada. Granite Basin, along an unnamed northeastern branch of Little North Fork MIddle Fork Feather River,n ear its head, near the road 23N95Y crossing. Comment
  SJSU4636  Frangula rubra C. W. Sharsmith 1969-6-21 7605 Plumas Jamison Cr c. 1.5 mi S of Johnsville 1645 Comment
  CHSC114707  Fritillaria atropurpurea G. Douglas Barbe; T. C. Fuller 1982-6-15 3713 Plumas 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  UC333405  Fritillaria atropurpurea unknown 1889-5-25 Plumas Mohawk Valley Comment
  CAS-BOT-BC505273  Fritillaria atropurpurea Mrs. E. C. Sutcliffe 1927-6-1 s. n. Plumas Drakesbad, Lassen Volcanic Park Comment
  CAS-BOT-BC508207  Fritillaria atropurpurea Dudley 1923-5-10 s. n. Plumas Lake Gill, Quincy Comment
  CAS-BOT-BC508208  Fritillaria atropurpurea Alice Eastwood 1918-5-25 6992 Plumas Portola Comment
  SEINET10469563  Fritillaria atropurpurea Mary Susan Taylor 1982-1 Plumas Comment
  CAS-BOT-BC506205  Fritillaria micrantha J. Ed. McClellan; Bonnie McClellan 1968-6-10 s.n. Plumas Red Hill 1767 Comment
  SD6473  Fritillaria pudica Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC101793  Galium aparine Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  SDSU9316  Galium asperrimum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River, 0.5 mile north of Chester. Comment
  CHSC33617  Galium bifolium M. S. Taylor 1981-6-17 3926 A Plumas On N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 2255 Comment
  CHSC60919  Galium bifolium Vernon Oswald 1993-7-1 5627 Plumas Lassen Volcanic National Park. West slope of Bonte Pk., ca. 0.4 mi SW of the summit. 2133 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
  UCSB27409  Galium bolanderi Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1188 Comment
  UC1192016  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-18 1392 Plumas just s Chester (n end of lake); Lake Almanor, Last Chance Marshes Comment
  UCD121932  Galium trifidum G. F. Hrusa 1992-10-8 10496 Plumas Northeast corner of Snake Lake. Immediate end of vehicle access road. 1219 Comment
  SEINET10500745  Galium trifidum var. pacificum Mary Susan Taylor 1982-8-17 Taylor 5005 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  SEINET10968825  Galium trifidum var. subbiflorum Lowell Ahart 1985-7-3 Ahart 5104 Plumas About 4 1/4 miles north-east of La Porte. Comment
  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
  UCR87994  Galium triflorum Walter Knight, J. T. Howell, I. Knight 1966-7-26 1570 Plumas Northern Sierra Nevada Mtns., Butterfly Botanical Area and vicinity; Fern Glen 1113 Comment
  CHSC37020  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas Gray Eagle Lodge Rd. SW of Hwy 519, ca. 7 mi s of Mohawk. 1737 Comment
  UC1122667  Garrya fremontii R. Roseberry 1934-11-1 2 Plumas 2 mi nw Mt. Jackson; Plumas National Forest, Downieville Quad. 1493 Comment
  SEINET10906889  Garrya fremontii Mary Susan Taylor, L. Hanson 1981-3-5 Taylor 3399 Plumas T25N R7E n half sec 13. Almanor quad. N side of Hwy 70, in Serpentine Canyon, ca. 5 mi e of Belden. Comment
  CAS-BOT-BC478511  Gayophytum John Thomas Howell; Gordon H. True 1973-7-31 500096 Plumas Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range 2194 Comment
  SEINET4149975  Gayophytum diffusum subsp. diffusum C. Tanner 1999-8-2 s.n. Plumas Portola, growing in yard at 433 W. Plumas St. 1484 Comment
  CHSC110613  Gayophytum diffusum subsp. parviflorum B. Castro; G. Kuenster 2006-8-4 1587 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. 1674 Comment
  CHSC53690  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-7-13 3485 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd 111) 11.3 mi from Beckwourth. 1699 Comment
  CHSC84460  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2003-8-8 10487 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS115197  Gayophytum diffusum subsp. parviflorum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16114 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
  JEPS115524  Gayophytum diffusum subsp. parviflorum Lowell Ahart, John Dittes 2009-9-7 16386 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA716798  Gayophytum heterozygum L. Ahart, John Dittes 2005-9-20 12448 Plumas On the S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2050 Comment
  CHSC65344  Gayophytum humile Lowell Ahart 1995-10-1 7648 Plumas On the bottom of the pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  SEINET3150047  Gayophytum nuttallii var. intermedium E. K. Balls 1950-9-6 15694 Plumas 3.1 mi. E of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  CHSC93408  Gentiana calycosa Robert F. C. Naczi 2004-7-29 10644 Plumas Ca. 1.3 mi SW of Virgilia, along S side of Forest Service Road 25N17. 1359 Comment
  JEPS31440  Gentiana newberryi Wayne Roderick 1963-9-29 Plumas nw and above Butterfly Valley 1219 Comment
  CHSC100037  Gentianopsis simplex Lowell Ahart 2008-8-14 15206 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CHSC43375  Gentianopsis simplex Lowell Ahart 1979-8-16 2018 Plumas In a bog, 300 feet east of Ohio Ravine, about 2 1/2 miles south of Grizzly Mountain. 1584 Comment
  CHSC70262  Gentianopsis simplex B. Castro; R. Zebell 1989-7-7 362 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi WSW jcn Rds 23N18, 23N15 and 23N19, on the S flank of Red Mtn. 1828 Comment
  UC170957  Geum macrophyllum H. M. Hall 1912-8-3 9392 Plumas Quincy, Sierra Nevada Mountains Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  CAS-BOT-BC293727  Gilia Mona Bourell; Bob Patterson 1982-5-15 1735 Plumas Beckworth Comment
  SEINET11268240  Gilia capillaris Lowell Ahart 2001-7-17 8907 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit.; 0 1829 Comment
  CHSC94200  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  UC1123739  Gilia capitata subsp. mediomontana F. W. Embree 1934-6-21 113 Plumas 1 mi s, 1/2 mi e Storie; Bidwell Bar Quad., Plumas National Forest, e of Storrie Comment
  SEINET12326104  Gilia leptalea W. Knight, Knight, I. 1983-1 4895 Plumas between Chester and Drakesbad, Warner Creek Campground 1539 Comment
  JEPS117711  Gilia leptalea subsp. leptalea Lowell Ahart 2010-10-21 17306 Plumas About 80 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  CAS-BOT-BC123820  Githopsis latifolia A. L., Mrs. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC283874  Glyceria borealis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1398 Plumas Butterfly Botanical Area and Vicinity. Pond reservoir near dam 1097 Comment
  CDA14041  Gnaphalium canescens subsp. thermale G. F. Hrusa, T. D. Wilfred 1996-8-1 13413 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas NF. Comment
  CHSC53580  Gnaphalium palustre L. P. Janeway 1989-7-25 3520 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CHSC55664  Gnaphalium palustre K. R. Stern 1985-6-25 8202 Plumas Vicinity of Blairsden. 1402 Comment
  UCD132414  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  JEPS114912  Gratiola ebracteata Lowell Ahart 2008-7-9 15063 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
  CAS-BOT-BC304929  Grindelia hirsutula John Thomas Howell 1959-9-21 34826 Plumas Greenville 1088 Comment
  SEINET10474257  Grindelia nana Mary Susan Taylor 1981-8-5 Taylor 4170 Plumas 1069 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
  UC614667  Hackelia californica L. Constance 1938-6-10 2312 Plumas w edge of Lake Almanor at Prattville; Lake Almanor 1219 Comment
  CHSC58162  Hackelia micrantha Vernon H. Oswald 1992-6-18 4987 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  POM126236  Hackelia micrantha H. M. Hall 1912-7-11 9344 Plumas Long Lake. Comment
  RSA52904  Hackelia micrantha R. Weatherby 1950-8-11 1525 Plumas Slopes of Mt. Elwell, Lakes Basin Area. 2226 Comment
  JEPS55560  Hackelia nervosa Duncan Dunning 1922-7-16 Plumas 4 mi n of Gibsonville (near Onion Valley) Comment
  UC1586425  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1991-6-18 4676 Plumas 1.7 mi ne of its junction with County Rd. 201 (Old Haun Road) ca 4 mi (air) nnw Greenville (Forest Road 28N38) 1463 Comment
  UC1093642  Hastingsia alba Herbert L. Mason 1957-7-7 14748 Plumas in lateral stream above Feather River Canyon (along Alternate Route #40, 2 mi e of Rich Bar); above Feather River Canyon Comment
  SEINET10475535  Hazardia whitneyi Mary Susan Taylor 1981-8-19 Taylor 4220 Plumas California: T23N R11E ne 1/4 of se 1/4 sec 17. Blue Nose Mt quad. S side of road 2310, 0.1 mi E of Bell Creek, ca. 1.5 mi W of Sloat. Plumas County. 4500 ft. 1372 Comment
  CHSC84974  Hazardia whitneyi var. whitneyi Lowell Ahart 2003-10-17 10651 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile northeast of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CHSC34908  Helenium bigelovii M. S. Taylor 1981-7-21 4087 Plumas Along creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. 1371 Comment
  RSA794793  Helenium bigelovii L. Ahart, John Dittes 2009-7-13 16061 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
  UCD130280  Helenium bigelovii Albert Grigarick 2011-8-15 293 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. 1884 Comment
  UC1523738  Helenium bigelovii Gary Schoolcraft 1982-7-28 823 Plumas w Dyer Mtn. 1828 Comment
  CAS-BOT-BC314725  Helianthella californica var. californica Walter Knight; Irja Knight 1966-6-18 1278 Plumas Slightley past Fern Glen enroute to Quincy, Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC314799  Helianthella californica var. nevadensis Rimo Bacigalupi 1927-7-11 1719 Plumas Near Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC314802  Helianthella californica var. nevadensis John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1651 Plumas Adjacent to Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET9349617  Helianthella californica var. nevadensis Unknown 1982-6-15 3699 Plumas Plumas National Forest Comment
  UCD132766  Helianthella californica var. nevadensis J. I. Mallory 1968-4-1 279 Plumas La Porte area, Plumas National Forest. 1798 Comment
  CAS-BOT-BC305540  Helianthus bolanderi Rimo Bacigalupi; J. R. Sweeney; G. Bacigalupi, Jr. 1953-8-31 4345 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville 1005 Comment
  SEINET11197292 Image available Hemizonia congesta subsp. clevelandii J. T. Howell 1961-9-23 36825 Plumas Indian Valley, East of Crescent Mills on Stampfli Lane 1082 Comment
  RSA38010  Hesperochiron californicus P. A. Munz 1947-5-16 11827 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA795666  Hesperolinon micranthum L. Ahart 2012-7-1 18260 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 0.25 miles east of Caribou Road, about 3.5 air miles northeast of Belden. 808 Comment
  SEINET10493824  Hesperolinon micranthum Mary Susan Taylor 1981-7-13 Taylor 3998 Plumas T24N R16E se/nw sec 5, Frenchman Lake quad; E side of 24N55, ca. 0.4 mi N of its jct with 28N11, ca. 0.7 mi N of N tip of the Lake, ca. 14 air mi N of Chilcoot. 1737 Comment
  SJSU4641  Hesperolinon micranthum C. W. Sharsmith 1969-6-19 7602 Plumas Smith L, Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  JEPS124037  Heterocodon rariflorum Lowell Ahart 2015-7-4 20282 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET10972524  Heterocodon rariflorum Edward K. Balls 1950-9-15 Balls 15829 Plumas 6 MI NW OF CHESTER, N FORK FEATHER R. 4600 Comment
  RSA718945  Heterotheca oregona var. rudis L. Ahart 2006-10-8 13390 Plumas 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. 623 Comment
  CAS-BOT-BC311071  Heterotheca oregona var. rudis Lemmon 1878-5-1 s.n. Plumas Unspecified Comment
  CAS-BOT-BC312288  Heterotheca villosa var. minor M. S. Taylor; H. Swanson 1982-8-11 4970 Plumas Along n side of Jamison creek Road (507) on cliffs, ca. 1 mi. w of Plumas-Eureka State Park, ca. 3 mi. sw of Johnsville 1798 Comment
  CHSC36876  Heterotheca villosa var. minor M. S. Taylor; H. Swanson 1982-8-11 4970 Plumas Along n side of Jamison Creek Rd (507) on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville. 1798 Comment
  CHSC41151  Heterotheca villosa var. minor J. D. Jokerst 1984-7-10 2091 Plumas Canyon of Indian Creek between the creek and Indian Cr Road, east of Rattlesnake Ravine. 1249 Comment
  RSA795732  Heterotheca villosa var. minor L. P. Janeway, P. F. Zika, Barbara L. Wilson 2011-8-6 10629 Plumas Northern High Sierra Nevada. Plumas National Forest; north side (upslope of) dirt road on north side of Jamison Creek 0.3 road km west of Plumas-Eureka State Park boundary. 1704 Comment
  CAS-BOT-BC312287  Heterotheca villosa var. minor Albert Gould 1928-7-20 354 Plumas Head of Jameson Creek 1828 Comment
  CAS-BOT-BC424168  Heuchera micrantha var. erubescens Walter Knight; Irja Knight 1966-9-12 1750 Plumas Mouth of Butterfly Creek 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
  CAS-BOT-BC424170  Heuchera micrantha var. erubescens Alice Eastwood 1927-6-1 14670 Plumas United States Forest Reserve, on road from Long Valley Comment
  CAS-BOT-BC319616  Hieracium albiflorum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1590 Plumas Fern Glen, Butterfly Botanical Area and vicinity 1097 Comment
  SEINET10474727  Hieracium cynoglossoides Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4016 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
  CHSC36347  Hippuris vulgaris M. S. Taylor 1982-8-17 5008 Plumas Emergent in Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  CAS-BOT-BC289226  Holcus lanatus L. W. Swift 1934-7-5 89 Plumas Nelson Creek Grade 1402 Comment
  CHSC91812  Holcus lanatus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16274 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: in upper bog area. 1158 Comment
  CAS-BOT-BC459652  Holodiscus John Thomas Howell 1977-8-11 52683 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir Comment
  LA207928  Holodiscus discolor var. glabrescens Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SD46568  Holodiscus discolor var. glabrescens Robert J. Weatherby 1950-8-11 1516 Plumas Peak of Mt. Elwell, Lakes Basin Area, Northern Sierra Nevadas 2377 Comment
  SEINET10960380  Hordeum brachyantherum Mary Susan Taylor 1982-6-28 Taylor 4768 Plumas T23N R14E S27 NW1/4 NE1/4. Portola Quad. Flat grassy drainage on N side of Feather River, ca. 1/4 mi W of Calpine Rd (109), Ramelli Ranch, ca. 1 mi W of Beckwourth. With Triteleia hyacinthina, Mimulus guttatus. 1487 Comment
  CHSC81188  Hordeum jubatum Lowell Ahart 2001-8-29 9253 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC285104  Hordeum marinum subsp. gussoneanum John Thomas Howell 1963-6-4 39408 Plumas Marble Hot Springs, Sierra Valley Comment
  CHSC55643  Hordeum marinum subsp. gussoneanum K. R. Stern 1985-6-25 8293 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC43054  Horkelia fusca subsp. parviflora L. P. Janeway 1984-7-13 915 Plumas Near Grizzly Creek campground and SW of Bucks Lake. Mdw at road-opening. 1584 Comment
  CHSC97114  Horkelia fusca subsp. parviflora Lowell Ahart; Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC537869  Horkelia fusca var. parviflora W. B. Duncan 1927-8-1 s. n. Plumas Vicinity of Silver Lake Comment
  SEINET784708  Horkelia fusca var. parviflora Joseph Andorfer Ewan 1934-7-8 8591 Plumas Sierra Nevada, Camp Caldwell, Dentens, Mohawk Valley 1615 Comment
  CAS-BOT-BC143993  Horkelia fusca var. tenella John Thomas Howell 1926-7-26 2128 Plumas Near Prattville 1371 Comment
  SEINET11910372  Horkelia tridentata I. Knight, Knight, W. 1983-1 4906 Plumas In Yellow Pine Forest plant community, 4 mi N of Chester on rd to Drakesbad Comment
  SEINET6768050  Horkelia tridentata subsp. flavescens P. A. Lehenbauer 1934-5-25 s.n. Plumas Sierra Nevada; 15 miles W of Portola. Comment
  JEPS108716  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the southwest edge of a dry open basalt flat 1527 Comment
  CAS-BOT-BC536284  Horkelia tridentata var. tridentata H. H. G. 1913-5-7 38 Plumas Swayne [Swain] Lbr 792 Comment
  SD8660  Hosackia crassifolia var. crassifolia Mrs. R. M. Austin 1880-1 Plumas Plumas County Comment
  UC1069093  Hydrophyllum capitatum var. alpinum E. Sawyer 1935-5-22 28 Plumas 1.25 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quad. 1706 Comment
  UC726885  Hydrophyllum capitatum var. alpinum A. A. Heller 1938-5-21 15097 Plumas n of Chester (on State Highway 36, e of highway maintenance station, not far from the Tehama County line) Comment
  CDA18480  Hydrophyllum occidentale G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3239 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  JEPS3228  Hydrophyllum occidentale John Warren Duffield 1937-5-29 Plumas n of Meadow Valley (along road into U.C. Forestry Summer School) Comment
  RSA0110962  Hydrophyllum occidentale M. Canby 1929-5-12 134 Plumas 5 miles west of Blairsden. Comment
  UCD119484  Hydrophyllum occidentale Matt Georgeff 1992-5-17 13 Plumas Snake Lake Campground c. 15 mi w. Quincy, main campground. Comment
  CHSC40358  Hypericum anagalloides Lowell Ahart 1985-7-11 5128 Plumas On dry sand bars, below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  UCD63698  Hypericum anagalloides Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Plumas National Forest. Blackhawk Road. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  CHSC20784  Hypericum formosum var. scouleri K. R. Stern 1975-7-24 5851 Plumas E shore of Lake Almanor. 1371 Comment
  JEPS114533  Hypericum perforatum Lowell Ahart 2008-8-13 15171 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  RSA0039300  Hypericum perforatum Lowell Ahart 2008-8-13 15171 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC401441  Hypericum scouleri George W. Gillett 1957-7-18 825 Plumas Lassen Volcanic National Park. West bank of main inlet to Willow Lake at north end of Willow Lake Meadow 1661 Comment
  JEPS805  Ipomopsis aggregata W. I. Follett 1937-7-27 98 Plumas Keddie Comment
  CHSC44316  Ipomopsis aggregata subsp. formosissima Lowell Ahart 1974-7-30 565 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS87937  Ipomopsis congesta subsp. montana Barbara Ertter with Gary Schoolcraft 1989-7-3 8663 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  CAS-BOT-BC135735  Iris hartwegii Mary Strong Clemens 1920-5-4 s.n. Plumas Greenville Comment
  RSA59101  Iris hartwegii E. K. Balls 1950-8-30 15505 Plumas Trail to Bucks Creek from Tobins Resort, North Fork Feather River. 610 Comment
  SBBG93328  Iris macrosiphon W. I. Follett 1938-6-4 115 Plumas Rich Gulch 1249 Comment
  RSA123137  Iris missouriensis E. Sawyer 1935-06 76 Plumas 5.75 miles south of Sugarloaf 1494 Comment
  CHSC41144  Iris tenuissima subsp. purdyiformis J. D. Jokerst 1984-6-13 2047 B Plumas South of Grizzly Creek, ca 30 M north of spur 'C'' of USFS road 26N08. Ca. 2 air miles east of Peacock Point. 1432 Comment
  CHSC92169  Isoetes howellii Lowell Ahart; John Dittes 2005-9-19 12372 Plumas In Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CAS-BOT-BC324814  Iva axillaris Mary Strong Clemens 1920-9-2 s.n. Plumas Beckwourth Comment
  CHSC37004  Iva axillaris M. S. Taylor 1982-8-27 5047 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  SEINET10483372  Ivesia sericoleuca Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3853 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
  SEINET10970309  Ivesia sericoleuca Mary Susan Taylor 1981-7-13 Taylor 4006 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  CHSC102973  Juncus articulatus Lowell Ahart; John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA59240  Juncus bufonius var. bufonius E. K. Balls 1950-8-31 15543 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  UCD141414  Juncus bufonius var. occidentalis L. Ahart 1985-7-11 5134 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles northwest of La Porte. 1584 Comment
  HSC104016  Juncus dubius L. Ahart 2008-8-13 15158 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CHSC52749  Juncus effusus subsp. pacificus L. P. Janeway 1990-8-29 3845 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Between marshy area and dirt road. 1905 Comment
  CHSC95201  Juncus ensifolius R. D. Fischer; Jenny Marr 2004-8-7 821 Plumas Sierra Nevada foothills between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  RSA490376  Juncus ensifolius Lyman Benson 1932-7-29 4005 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CHSC23376  Juncus hemiendytus var. hemiendytus Lowell Ahart 1975-7-16 891 Plumas Section 13, eight miles north of La Porte. Found in a meadow, two miles north-east of Little Grass Valley Res. 1828 Comment
  CHSC100386  Juncus howellii Lowell Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  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
  RSA95511  Juncus howellii J. T. Howell 1951-6-27 27580 Plumas McRae Meadow. 1982 Comment
  UCD141556  Juncus howellii Lewis S. Rose 1966-7-27 66068 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  UC1100997  Juncus laccatus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1439 Plumas Butterfly Valley Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  CHSC100430  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
  CHSC65857  Juncus nevadensis L. P. Janeway 1995-10-25 4943 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  CHSC92199  Juncus nevadensis Lowell Ahart; John Dittes 2005-9-20 12428 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  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
  SD192838  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15373 Plumas South edge of Onion Valley, ca. 0.75 mile northwest of Pilot Peak, ca. 0.5 mile east of the Ouincy La Porte Road, ca. 9.5 miles northeast of La Porte. 1915 Comment
  CHSC21682  Juncus occidentalis D. Brink; L. Mayer 1975-8-2 Plumas Buck's Lake. Comment
  RSA716591  Juncus occidentalis L. Ahart, John Dittes 2005-9-19 12399 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  CHSC65389  Juncus orthophyllus Lowell Ahart 1995-9-13 7629 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile northwest of Pilot Peak. 1828 Comment
  JEPS114913  Juncus orthophyllus Lowell Ahart 2008-7-9 15056 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 1645 Comment
  JEPS119931  Juncus orthophyllus Lowell Ahart 2012-9-5 18441 Plumas About 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  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
  CHSC100047  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS114806  Juncus saximontanus Lowell Ahart 2008-8-13 15160 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC102672  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -B Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  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
  CHSC52755  Juncus tenuis 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
  UC401371  Juniperus communis H. M. Hall 1912-7-12 9345 Plumas slopes s of Long Lake; Sierra Nevada Mountains 2072 Comment
  HSC1269  Juniperus occidentalis W. R. Rogers 1966-6-3 280 Plumas 2043 Comment
  RSA293271  Keckiella lemmonii D. C. Michener 1980-8-5 3787 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  CHSC56589  Kelloggia galioides L. P. Janeway 1984-7-13 900 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  JEPS115162  Kelloggia galioides Lowell Ahart, John Dittes 2009-7-15 16083 Plumas On dry rocky soil, near a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  SBBG119898  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas ca. 50 yards SE 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 Comment
  SJSU11547  Kelloggia galioides J. W. Tilden 1958-6-29 1307 Plumas SW shore, L Almanor 1828 Comment
  UC1586452  Kyhosia bolanderi Vernon H. Oswald and Lowell Ahart 1991-7-30 4778 Plumas 5.2 mi (odometer) ne of Humbug Summit; Humbug, Grizzly Creek 1777 Comment
  CAS-BOT-BC341577  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC341578  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  UC170934  Lathyrus lanszwertii var. aridus H. M. Hall 1912-6-22 9266 Plumas Willow Creek Sierra Nevada Mountains 1371 Comment
  CHSC34871  Lathyrus latifolius M. S. Taylor; M. Foster 1981-8-13 4173 Plumas S end of Greenville, W side of Hwy 89. 1158 Comment
  CAS-BOT-BC205073  Lathyrus sulphureus John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1922 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  CHSC55694  Lathyrus sulphureus Steven Triano 1988-4-17 55 Plumas Along n side of Hwy. 89, ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  SEINET10872155  Layia glandulosa Mary Susan Taylor 1982-5-19 Taylor 4481 Plumas T23N R14E se/nw sec 32. Portola quad. Sandy open slope on w facing ridge, ca. 1.5 mi e of Portola. 5600 ft. 1706 Comment
  JEPS106225  Lemna trisulca Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  UC1101260  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas near Chester Comment
  RSA52859  Lepidium campestre R. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy. 1067 Comment
  CDA3784  Lepidium campestre T. C. Fuller 1958-7-7 1917 Plumas 1 miles north of Greenville. 0 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
  CAS-BOT-BC89494  Lepidium heterophyllum John Thomas Howell; Gordon H. True 1973-7-31 50082 Plumas Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range. 2362 Comment
  SEINET5341389  Lepidium latifolium W. Harnach, N. Harnach 2000-8-23 993 Plumas Sierra Valley, 1/4 mile west of the intersection of Hwy 49 on Dyson Lane 1494 Comment
  CAS-BOT-BC12990  Lepidium virginicum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54230 Plumas Sierra Nevada. About 4 miles southeast of Mount Hough on the road to Quincy. 1645 Comment
  CHSC527  Lepidium virginicum var. pubescens V. Holt 1935-10-1 Plumas Walkermine. 1219 Comment
  UC1123925  Leptodactylon pungens A. Lewis 1934-6-12 468 Plumas 4 1/2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar, nw of Lexington Hill Comment
  POM74001  Leptosiphon ciliatus Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET14161666  Leptosiphon ciliatus A. A. Heller, P. B. Kennedy 1907-7-3 8709 Plumas [Sierra Nevada] Hills above Red Clover Valley Comment
  POM74482  Leptosiphon nuttallii Marcus E. Jones 1897-7-6 10079 Plumas Prattville. 5 miles west. 1372 Comment
  CAS-BOT-BC342083  Leucanthemum vulgare John Thomas Howell 1961-6-21 36653 Plumas Greenville 1097 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
  CAS-BOT-BC59615  Leucothoe davisiae Mrs. E. Meiere 1915-7-1 s.n. Plumas Long Lake. Comment
  CHSC89022  Leucothoe davisiae B. Elliott 2002-6-8 11606 Plumas Plumas National Forest. Pacific Crest Trail. 1828 Comment
  UCD117518  Leucothoe davisiae H. B. Currier; W. R. Russell, J. M. Tucker 1951-8-2 2207 Plumas ca. 2 miles northwest of Mt. Ararat (or 3-4 miles southeast of Buck's Lake). Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  JEPS104822  Lewisia cantelovii Dean W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Hwy 70 at Arch Rock Tunnel (about 25 air mi NE of Oroville) about 1 mi E of the Butte Co. line; Plumas National Forest; Sierra Nevada 563 Comment
  CAS-BOT-BC444179  Lewisia nevadensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54102 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  UC725362  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas 2 mi e on State Highway 36 Plumas county line Comment
  CAS-BOT-BC444560  Lewisia triphylla George W. Gillett 1957-7-18 811 Plumas Lassen Volcanic National Park. On northeast side of Boiling Springs Lake. 1813 Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  SJSU4639  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 B Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  UCD127557  Ligusticum grayi John Thomas Howell 1960-7-23 35935 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC436052  Ligusticum grayi Ella Dales Cantelow 1939-5-20 2565 Plumas Near Rock Creek Comment
  CAS-BOT-BC451589  Lilaea scilloides John Thomas Howell 1963-6-4 39406 Plumas Marble Hot Springs, Sierra Valley Comment
  CAS-BOT-BC130518  Lilium A. M. Vollmer; L. Beane 1953-7-1 28 Plumas Englemine 1158 Comment
  UC170939  Lilium kelleyanum H. M. Hall 1912-6-25 9273 Plumas Butterfly Valley; Sierra Nevada Mountains 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
  CAS-BOT-BC509334  Lilium kelleyanum Mary Strong Clemens 1920-8-28 s.n. Plumas Greenville Comment
  CAS-BOT-BC509340  Lilium kelleyanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UCD139749  Lilium pardalinum F. C. Raney 1963-6-17 s.n. Plumas 20 miles north Feather Falls, Fall River tributary of Feather River. Comment
  SD6533  Lilium washingtonianum Mrs. R. M. Austin 1882-1 Plumas Big Meadows. Comment
  CHSC81155  Limosella acaulis Lowell Ahart 2001-8-28 9199 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
  UC485788  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC586839  Linanthus harknessii Joseph Andorfer Ewan 1934-7-6 8183 Plumas Penman Peak, along road to Guidici Ranch Penman Peak 1524 Comment
  JEPS117924  Linaria vulgaris John Dittes 2005-9-30 1296 Plumas 8.3 air miles S of Diamond Mt. 4.5 air miles WxNW of Antelope Lake dam 2.7 air mile NE of Taylor Lake and 27N56 (ca. 0.5 air mile east intersection of FS Routes 27N090); Northern High Sierra Nevada Range 1944 Comment
  CHSC43340  Linnaea borealis var. longiflora Lowell Ahart 1975-7-2 839 Plumas About 7 miles north of the Sly Creek Dam. 914 Comment
  JEPS127127  Linnaea borealis var. longiflora Lowell Ahart 2016-8-30 21334 Plumas About one mille northeast of Quartz Hill, about 7 miles (air) northeast of Feather Falls. Comment
  CHSC21542  Listera convallarioides L. Mayer; D. Brink 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21301  Lithocarpus densiflorus var. echinoides F. T. Griggs; A. Pass 1975-7-8 124 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC62358  Lithocarpus densiflorus var. echinoides B. Castro; R. Fallscherr, R. Zebell 1989-8-21 406 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Huner's Ravine. 1584 Comment
  SEINET10482998  Lithophragma Mary Susan Taylor 1982-5-27 Taylor 4553 Plumas T24N R8E ne sec 23. Bucks Lake NE quad. W side of Deans Valley Rd (24N29), ca. 0.7 mi s of its jct with Bucks Lake Rd, ca. 1 mi e of Meadow Valley. 3800 ft. 1158 Comment
  SEINET10483003  Lithophragma Mary Susan Taylor 1981-6-16 Taylor 3915 Plumas T24N R13E sw/ne sec 18. Grizzly Valley quad. S side of 24N09, ca. 1 mi W of Bagley Pass, ca. 10 mi NE of Sloat. 6400 ft elev. 1950 Comment
  SEINET10483004  Lithophragma Mary Susan Taylor 1982-5-6 Taylor 4411 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  CAS-BOT-BC430968  Lithophragma bolanderi Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1950 a Plumas Fern Glen 1097 Comment
  CAS-BOT-BC443344  Lithophragma parviflorum Elmer I. Applegate 1934-5-6 8903 Plumas Near and south of Mohawk Comment
  CHSC97145  Lithophragma parviflorum var. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14059 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC21592  Lithophragma tenellum L. M. Mayer; D. E. Brink Jr. 1975-7-24 Plumas In the sw portion of the section. Comment
  RSA101480  Lithophragma tenellum R. Weatherby 1955-6-26 1547 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  CAS-BOT-BC317313  Lithospermum californicum H. D. Ripley; R. C. Barneby 1943-6-16 5781 Plumas Between Quincy & Massack 1036 Comment
  UC1063986  Lithospermum ruderale C. W. Hanks 1934-8-6 1 Plumas Upper Sierra Valley Sierraville; Sec. 18 1554 Comment
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Mar 14 2014
  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
  CHSC89801  Lomatium macrocarpum G. Douglas Barbe; T. C. Fuller 1982-6-15 3719 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  UC337569  Lomatium macrocarpum unknown Plumas Mohawk Valley Comment
  CDA14123  Lomatium nudicaule G. F. Hrusa 1997-5-3 13813 Plumas Sierra Nevada; W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. Comment
  UC175512  Lomatium nudicaule A. A. Heller 1913-6-13 10834 Plumas near Marston Station 1066 Comment
  CHSC72292  Lomatium plummerae L. P. Janeway; Glenn Clifton 1998-7-8 5725 Plumas About 1.5 mi southwest of Diamond Mtn; at junction of Diamond Mtn Motorway (Road 28N15) and unnamed road to small pond on a saddle of the crest. 2115 Comment
  JEPS34392  Lomatium utriculatum Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8868 Plumas 0.75 mi. s. Pulga (base of cliff above side rd. off U.S. Hwy. 40, canyon of N. Fork Feather R., n. base of grade over Jarbo Gap, just before bridge across Feather R.); canyon of N. Fork Feather R. 426 Comment
  SD6577  Lonicera conjugialis Mrs. R. M. Austin 1880-1 Plumas Comment
  CAS-BOT-BC243913  Lonicera involucrata var. involucrata M. S. Taylor 1981-7-17 4029 Plumas Ca. 1/4 mi S of Bear Lakes trailhead, Lakes Basin, ca. 6 mi. S of Mohawk 1950 Comment
  CAS-BOT-BC200957  Lotus A. A. Heller 1938-7-2 15231 Plumas Just outside of Quincy 1097 Comment
  CAS-BOT-BC200958  Lotus A. A. Heller 1938-7-2 15242 Plumas On Highway #24, near Gray's Flat 868 Comment
  UCD19148  Lotus June McCaskill 1956-6-6 458 Plumas Lake Almanor region. Comment
  JEPS115792  Lotus nevadensis var. nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15881 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line 1374 Comment
  UC454102  Lotus nevadensis var. nevadensis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  UC625498  Lotus nevadensis var. nevadensis Frank W. Gould 1938-6-26 455 Plumas 5 mi n Blairsden 1371 Comment
  RSA512824  Ludwigia palustris var. pacifica J. T. Howell 1976-7-15 51842 Plumas Snake Lake, about 4 miles northwest of Quincy. 1220 Comment
  UC942948  Lupinus albicaulis Lewis S. Rose 1951-6-28 51048 Plumas N of Johnsville ( above Eureka Lake) 2072 Comment
  SEINET10488365  Lupinus albicaulis Mary Susan Taylor 1982-6-1 Taylor 4574 Plumas T23n,r11e,sec.6 se 1/4 of ne 1/4. Spring garden quad. Corolla white. Open dry Roadcut, 0.1 mile e of spring garden city limity sign, just s of greenhorn Ranch road, e side of hwy u0. With lupinus dalesae 1280 Comment
  CHSC88838  Lupinus albifrons L. Hanson 1985-5-24 263 Plumas Plumas National Forest. Near Massack Rest Stop, Hwy. 70. 1066 Comment
  CHSC21529  Lupinus andersonii D. Brink; L. Mayer 1975-7-8 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC36201  Lupinus angustiflorus M. S. Taylor 1982-7-12 4810 Plumas Around log deck at headwaters of Chris Creek, ca. 6 mi nw of Mohawk. 2011 Comment
  UC384657  Lupinus arbustus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  SJSU14469  Lupinus arbustus N. A. Hopkins 1990-7-1 1626 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1706 Comment
  UC972201  Lupinus arbustus Milo S. Baker 1952-5-24 12440 Plumas Hwy 89 in canyon above Pine Valley; in canyon above Pine Valley 944 Comment
  SEINET10973210  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-1 Taylor 4586 Plumas T26N R9E center sec 15. Greenville SW quad. N side of 20r, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 4600 ft. 1402 Comment
  UC174571  Lupinus argenteus A. A. Heller with P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley. Comment
  CHSC41194  Lupinus argenteus var. argenteus J. D. Jokerst 1984-5-13 2008 Plumas In forest adjacent to Beckworth-Genesee Road ca 1/2 mi nw of Drum Bridge. Edge of Genesee Valley at Red Clover Creek. 1188 Comment
  CAS-BOT-BC208799  Lupinus argenteus var. heteranthus W. W. Eggleston 1927-7-15 21517 Plumas Above Laufman Ranger Station, Plumas Forest Comment
  CAS-BOT-BC208802  Lupinus argenteus var. heteranthus W. Harnach; N. Harnach 1989-5-22 114 Plumas East side of Co. rd A-23 across from road to Barry corrals - Sierra Valley 1493 Comment
  CHSC36861  Lupinus argenteus var. heteranthus M. S. Taylor 1982-6-28 4754 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC60090  Lupinus argenteus var. meionanthus L. P. Janeway 1990-7-20 3808 Plumas Plumas National Forest. Along Lake Davis Rd 1.4 mi NW of Hwy 70 and Portola. 1524 Comment
  CHSC92277  Lupinus argenteus var. meionanthus John Dittes 2005-7-11 1211 Plumas Northern High Sierra Nevada Range; Drainage of Smith Creek; ca. 12.7 air-miles north x northeast of Taylorsville, ca. 5.3 air-miles southwest of Diamond Mountain, ca. 4.6 air-miles southeast of Indicator Peak; southwest-facing slope on north side of Smith Creek, ca. 0.5 mile northeast of confluence of Smith Creek and East Branch Lights Creek, upslope (north) of FS Road 28N03. 1498 Comment
  JEPS113538  Lupinus breweri var. breweri Lowell Ahart, Josephine Guardino 2007-7-21 14378 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis 1793 Comment
  SEINET10841141  Lupinus caudatus Mary Susan Taylor 1982-8-19 Taylor 5025 Plumas T26N R14E ne/ne sec. 14. Ferris Creek quad. Along Fitch Canyon Rd, ca. 1 mi sw of its jct with Milford-Beckwourth Rd, ca. 4 mi s of Milford. Jeffrey Pine Forest; 6000 ft. Dry sandy soil. 1829 Comment
  SEINET10452035  Lupinus confertus Mary Susan Taylor 1982-7-8 Taylor 4792 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-BC215362  Lupinus dalesiae M. S. Taylor 1982-5-26 4533 Plumas Both side of Fell Creek Road (23N22), 4.0 miles W of Lee Summit, ca. 2 air miles NW of Sloat 1341 Comment
  CAS-BOT-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CAS-BOT-BC215405  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Quincy Road, 2.2 miles E of Meadow Valley Comment
  CAS-BOT-BC215416  Lupinus dalesiae Mrs. H. C. Cantelow 1949-6-10 s.n. Plumas Meadow Valley Comment
  CHSC34757  Lupinus dalesiae M. S. Taylor 1981-6-15 3904 Plumas Jct of 24N27 and 24N27 (a loop around Smith Lake), ca. 2 mi n of its jct with Bucks Lake Rd, ca. 3 mi ne of Meadow Valley. 1158 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
  CHSC36858  Lupinus dalesiae M. S. Taylor 1982-7-12 4817 Plumas Along Eureka Ridge, on Eureka Peak Rd (22N75Y), 0.5 mi s of its jct with McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2103 Comment
  RSA188452  Lupinus dalesiae L. S. Rose 1967-6-12 s.n. Plumas Quincy. 1067 Comment
  UC1502141  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas American Valley on ne side of hills s Greenhorn Creek (ca 1.5 mi ne of Quincy); Quincy Quad., American Valley, s of Greenhorn Creek 1066 Comment
  SEINET10452058  Lupinus dalesiae Mary Susan Taylor 1982-6-17 Taylor 4694 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  SEINET10485189  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4809 Plumas T22n r11e nw1/4se1/4 sec 10. Johnsville quad. Cobbly slope on s side of 23N09, near headwaters of bear creek, ca 5 air mi. W of mohawk. Mixed Evergreen forest. With pedicularis semibarbata, pteridium aquilinum. 1890 Comment
  SEINET10485191  Lupinus dalesiae Mary Susan Taylor 1982-6-12 Taylor 4810 Plumas T22n r11e se1/4sw1/4 sec 4. Blue nose mt quad. Corolla yellow. On bare Cobbly phyllites around log deck at headwaters of chris creek, ca 6 mi. Nw of Mohawk. Montane coniferous forest. With erythronium purpurascens. Not as Hairy as lower elevation populations. 2012 Comment
  CAS-BOT-BC323942  Lupinus grayi M. S. Taylor 1982-5-13 4435 Plumas Open cut roadbank across from parking area; Gansner Park, Quincy. 1036 Comment
  JEPS106020  Lupinus grayi Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10957 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1251 Comment
  RSA372136  Lupinus grayi LeDoux, M. L. Conrad, David B. Dunn 1973-6-5 1092 Plumas 2.2 miles from junction of Highway 89 and 70. 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
  SEINET10870554  Lupinus grayi Mary Susan Taylor 1982-5-25 Taylor 4524 Plumas T23n r11e ne1/4se1/4 sec 2. Mt ingalls quad. Along n rd embankment of 23n12 And up ca 20 ft into mcdermott ravine, in sloat fire area, ca 2 mi. Ne of Sloat. 1402 Comment
  SEINET6655083  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterfly Creek; 2 mi S of Keddie.; 0 1036 Comment
  UC1542161  Lupinus grayi Paul Covel 1986-6-7 Plumas Spanish Creek , Spanish Creek (nw of Quincy) 1036 Comment
  SEINET10452692  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-6-16 Taylor 4676 Plumas T24N R10E ne/sw sec 33. Spring Garden quad. N side of 24N26, 0.3 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4400 ft. 1341 Comment
  SEINET10903529  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-6-16 Taylor 4676 Plumas T24n r10e ne1/4sw1/4 sec 33. Spring garden quad. Corolla blue. N side of 24N26-thompson creek rd, ca 3 mi. Se of quincy. Moist area near creek. With Potentilla glandulosa reflexa, cornus stolonifera. 1341 Comment
  JEPS102615  Lupinus lepidus var. confertus Lowell Ahart 2001-7-11 8886 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  JEPS65070  Lupinus lepidus var. confertus W. L. Jepson 1918-8-17 8035 Plumas Sierra Valley 1524 Comment
  UC83103  Lupinus lepidus var. confertus D. Cleveland 1882-7-21 135 Plumas Prattville; Prattville, Garden Enclosure Comment
  SJSU10714  Lupinus lepidus var. sellulus J. W. Tilden 1958-6-29 1305 Plumas SW shore of L Almanor 1828 Comment
  UC1542921  Lupinus lepidus var. sellulus G. Schoolcraft 1987-6-17 1738 Plumas about 2 mi n Chester; n of Chester 1402 Comment
  CHSC41193  Lupinus onustus J. D. Jokerst 1984-5-14 2009 Plumas Road edges, South of Ward Creek. 1249 Comment
  CHSC93174  Lupinus onustus L. P. Janeway 1994-5-24 4649 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  JEPS106018  Lupinus onustus Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10952 Plumas On the east side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1230 Comment
  UC155201  Lupinus onustus Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  UC333410  Lupinus polyphyllus var. burkei unknown 1889-6-4 Plumas Mohawk Valley Comment
  POM23523  Lupinus sellulus var. artulus Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  POM23642  Lupinus sellulus var. artulus Marcus E. Jones s.n. Plumas Prattville 1372 Comment
  HSC102788  Luzula comosa var. comosa L. Ahart 2008-8-13 15183 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  JEPS103523  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 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
  JEPS101279  Luzula divaricata Dean W. Taylor 1974-10-1 5047 Plumas Wade Lake, Jamison Creek drainage, ca. 3 miles South of Plumas-Eureka State Park 1950 Comment
  CHSC40354  Lythrum portula Lowell Ahart 1985-7-11 5122 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 1/2 miles northeast of La Porte. 1584 Comment
  JEPS114613  Lythrum portula Lowell Ahart 2008-9-10 15392 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 Comment
  CAS-BOT-BC343794  Madia elegans Mary Strong Clemens 1920-6-29 s.n. Plumas Quincy Comment
  UC176769  Madia elegans A. A. Heller with P. B. Kennedy 1907-7-13 88 -8 Plumas Taylorville Comment
  CAS-BOT-BC344473  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas East Branch, North Fork of Feather River, .5 mi. n. of Rich Bar 822 Comment
  CHSC34880  Madia glomerata M. S. Taylor 1981-8-31 4253 Plumas S side of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  CHSC36997  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CHSC92184  Madia glomerata Lowell Ahart; John Dittes 2005-9-19 12401 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  JEPS107877  Madia glomerata Lowell Ahart, John Dittes 2005-9-19 12401 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  JEPS120495  Madia glomerata L. P. Janeway 2012-10-17 11076 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. Comment
  JEPS127585  Madia glomerata L. P. Janeway 2015-7-29 11807 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quince Road; between Bird Creek, Onion Valley Creek, and Finger Board. Onion Valley 7.5' Quad. Comment
  JEPS40374  Madia glomerata W. L. Jepson 1939-8-16 19424 Plumas Dixie Valley 1767 Comment
  RSA0118928  Madia glomerata Lowell Ahart 2014-8-26 19774 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  UCD134269  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC342853  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC342863  Madia glomerata Lowell Ahart 1981-7-21 2966 Plumas Sutter Buttes Area. Along Cleghorn Bar Road, about 2 miles west of Pilot Peak 1900 Comment
  JEPS40373  Madia glomerata W. L. Jepson 1939-8-16 19440 Plumas Delleker Comment
  RSA59442  Madia glomerata E. K. Balls 1950-9-8 15728 Plumas Lakes Center Public Campground. 2043 Comment
  SEINET10474808  Madia glomerata Mary Susan Taylor 1982-8-9 Taylor 4958 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  UC1562733  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas ca 12 airmiles ssw Susanville (Snoring Springs 1/2 mi n of Diamond Mt-Greenville-Red Rock Jct); Diamond Mines, Snoring Springs 1981 Comment
  CDA8277  Madia gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3248 Plumas 2.5 miles (4 km) below summit on road to Mt. Hough, 0.4 mile northwest of China Grade. Comment
  SEINET11601430 Image available Madia gracilis W. Harnach, N. Harnach 1990-1 399 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1585 Comment
  CAS-BOT-BC343254  Madia gracilis Joseph Andorfer Ewan 1934-7-19 8241 Plumas Dentens (Blairsden), Mohawk Valley 1615 Comment
  SEINET260319  Madia gracilis M. S. Taylor 1981-9-14 4276 Plumas Headwaters of Rush Cr near its jct with Cow Cr ca 5 mi ESE of Greenville. Almanor SE quad. 1585 Comment
  UCD134284  Madia gracilis John Thomas Howell; T. C. Fuller, G. D. Barbe 1981-6-22 3082 Plumas Vacant lot east of Lariat Lodge Motel, East Quincy. 1036 Comment
  CAS-BOT-BC512092  Maianthemum racemosum subsp. amplexicaule Thomas H. Kearney 1944-8-14 34 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC512877  Maianthemum stellatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1515 Plumas North end of Pond Reservoir 1097 Comment
  CAS-BOT-BC347520  Malacothrix floccifera H. M. Hall; E. B. Babcock 1903-7-1 4433 Plumas Sierra Nevada Mountains. Indian Valley 1066 Comment
  CAS-BOT-BC105206  Marsilea mucronata Barbara Ertter; Jeffrey Strachan 1980-7-31 3894 Plumas E side Red Clover Valley on Beckwourth - Milford Road, Plumas National Forest 1676 Comment
  CAS-BOT-BC269225  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1798 Comment
  CAS-BOT-BC271100  Melica bulbosa John Thomas Howell; Gordon H. True 1967-7-11 43332 Plumas Summit ridge of Mt. Hough, Sierra Nevada 2194 Comment
  CAS-BOT-BC282089  Melica fugax John Thomas Howell; et al. 1967-6-12 1953 Plumas Butterfly Botanical Botanical Area and Vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC282095  Melica fugax Lowell Ahart 1977-6-20 s.n. Plumas About 6 miles N of La Porte 2000 Comment
  CAS-BOT-BC282101  Melica fugax John Thomas Howell 1960-7-22 35905 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 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
  CAS-BOT-BC264175  Melica subulata John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1571 Plumas Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC80914  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CHSC111237  Mentha spicata B. Castro; L. P. Janeway 2007-8-18 1672 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  CHSC101846  Mentzelia dispersa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15876 Plumas About 1600 feet southwest of Lake Almanor Dam. 1386 Comment
  CHSC89515  Mentzelia dispersa G. D. Barbe; T. C. Fuller 1982-6-17 3827 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  UCD128412  Menyanthes trifoliata Albert Grigarick 2012-7-8 326 Plumas Gray Eagle Trail starting at Grass Lake (Elwell Lodge Rd.). W shore of Grass Lake. 1905 Comment
  JEPS28641  Menyanthes trifoliata George W. Gillett 1957-7-18 838 Plumas Lassen Volcanic National Park, n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  CHSC89543  Mertensia ciliata G. D. Barbe; T. C. Fuller 1982-6-16 3784 Plumas Northern California. Plumas National Forest. Meadow below Mud Lake, 3/4 mi NE of Eisenheimer Peak. [Lat./long. on label is '40 10 N; 120 43 W']. 2097 Comment
  UCD107505  Mertensia ciliata var. stomatechoides Tim Kuhn 2006-6-18 51 Plumas adjacent to Crocker Guard Station. Comment
  CHSC65123  Micranthes aprica Vernon H. Oswald 1995-7-24 7111 Plumas Caribou Wilderness N of Chester, on the trail between Indian Mdw. and Beauty Lake. 2011 Comment
  CHSC20990  Micranthes oregana F. T. Griggs; A. Pass 1975-7-11 158 Plumas Buck's Lake. Comment
  SD8378  Micranthes oregana Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC349336  Microseris nutans John Thomas Howell 1960-7-21 35807 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CDA18695  Microseris nutans G. D. Barbe, T. C. Fuller 1982-6-15 3702 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
  RSA164328  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Engelmine - Diamond Peak Road, Sierra Nevada 1829 Comment
  CHSC53207  Microsteris gracilis L. P. Janeway 1989-6-14 3309 Plumas Plumas National Forest. Along southerly side of Red Clover Valley. 1685 Comment
  POM297976  Microsteris gracilis subsp. gracilis J. G. Lemmon s.n. Plumas Sierra Valley, N. Cal. Comment
  POM147143  Microsteris gracilis subsp. humilis Alice Eastwood 1927-06 14663 Plumas Long Valley. United States Forest Reserve. Comment
  CAS-BOT-BC293728  Mimulus Mona Bourell; Bob Patterson 1982-5-15 1739 Plumas Beckworth, Sierra Valley Marsh Comment
  RSA0014039  Mimulus bolanderi Joan Stewart 2000-06 1031 Plumas Plumas National Forest Comment
  CHSC115158  Mimulus breweri Lowell Ahart 2015-6-7 20216 Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  JEPS81621  Mimulus breweri M. S. Taylor 1982-8-5 4936 Plumas just below Mt. Hough (ca. 7 mi nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  JEPS80615  Mimulus cardinalis M. S. Taylor 1981-8-19 4215 Plumas ca 1.5 mi w Sloat (jct Bell Creek and rd 23N10); Blue Nose Mt. quad. 1310 Comment
  UC511309  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake Sierra Nevada, Feather River Watershed 2133 Comment
  CDA14748  Mimulus mephiticus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3294 Plumas Diamond Mountain Road 0.5 mile southwest of Engle Mine townsite. 1219 Comment
  RSA794835  Mimulus mephiticus L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET10929287  Mimulus mephiticus Mary Susan Taylor 1982-7-21 Taylor 4896 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  CHSC37677  Mimulus moschatus M. S. Taylor 1982-8-10 4952 Plumas End of Spur Rd off Seneca Rd (306) at Salmon Creek, ca. 2 air mi sw of Canyon Dam. 1524 Comment
  CHSC54418  Mimulus moschatus Vernon H. Oswald 1991-6-17 4669 Plumas Lassen Volcanic National Park. Drakesbad, along Hot Springs Creek west of the resort. 1752 Comment
  JEPS122296  Mimulus moschatus Lowell Ahart 2014-8-31 19823 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  SEINET10570304  Mimulus moschatus Mary Susan Taylor 1974-7-3 Taylor 291 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  JEPS8252  Mimulus nanus var. mephiticus W. I. Follett 1937-6-18 81 Plumas Rich Gulch Comment
  HSC31375  Mimulus primuloides Larry E. DeBuhr, G. D. Wallace 1972-5-21 591 Plumas Plumas National Forest: at pond reservoir in Butterfly Valley about 1 mi. SW of Keddie 1037 Comment
  UC567144  Mimulus primuloides E. Sawyer 1935-6-27 186 Plumas 1.6 mi ne Grizzly Peak; Sierraville Quadrangle 1767 Comment
  JEPS103324  Mimulus torreyi Lowell Ahart 2002-6-26 9766 Plumas On the E side of the poor road, ca 1 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1760 Comment
  UC1127236  Mitella breweri A. Lewis 1934-6-18 489 Plumas 1 mi nw Whiskey Diggings; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC433056  Mitella pentandra M. S. Taylor 1982-6-16 4687 Plumas W side of 24N13, 1.4 mi s of Willow Creek Rd (23N90), ca. 4 air mi se of Quincy. 1524 Comment
  JEPS109972  Monardella follettii Dean W. Taylor 2005-8-1 19450 Plumas Yellow Creek, Forest Road 26N26 ca. 3 road miles south of Humbug Valley 1310 Comment
  JEPS2650 Image available Monardella follettii W. I. Follett 1937-8-2 108 Plumas ne slope Red Hill (Rich Gulch); East Branch of North Fork Feather River; Feather River, Plumas Co. 1280 Comment
  SBBG124928  Monardella follettii W. I. Follett 1937-8-2 108 Plumas Rich Gulch (NE slope of Red Hill), E branch of North Fk Feather River [ISOTYPE] 1280 Comment
  SEINET10582333  Monardella follettii A. Graff 1993-7-22 Graff 304 Plumas Plumas National Forest. Meadow Valley Rd. south from Virgilia, on the left roadside, 3 miles from the Union Pacific RR crossing of the East Branch Feather River. T25N,R8E,S30. Locally frequent, growing on a serpentine road cut filling in with Pseudotsuga menziesii and Calocedrus decurrens. Comment
  SEINET10582334  Monardella follettii A. Graff 1993-7-23 Graff 332 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  CHSC52041  Monardella odoratissima L. P. Janeway 1989-6-29 3407 Plumas Plumas National Forest. Mapes Cyn; along Genesee-Beckwourth Rd (rd 111) 4.1 mi N of Beckwourth. 1676 Comment
  CHSC117559  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC61923  Monardella odoratissima subsp. pallida Lowell Ahart 1993-9-24 7264 Plumas On the north side of Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
  CHSC62361  Monardella odoratissima subsp. pallida B. Castro; J. Jurewicz 1990-7-17 430 Plumas Ca 6 air mi W of Crescent Mills, on gentle W-facing slope above Rush Ck, along both sides of USFS Rd 16N87 ca 0.9 mi S of its jcn with Rd 27N92 and ca 0.2 mi S of Cow Ck crossing. 1584 Comment
  CHSC64098  Monardella odoratissima subsp. pallida B. Castro; L. Hanson 1988-7-15 274 Plumas On top of Mt. Harkness, within 50 ft of lookout tower. 2452 Comment
  JEPS122098  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 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
  JEPS51854  Monardella odoratissima subsp. pallida Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  RSA0106527  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River., About 4 miles (air) north of La Porte. 1534 Comment
  RSA715685  Monardella odoratissima subsp. pallida L. Ahart, Josephine Guardino 2005-8-9 12298 Plumas on the east side of Fant Creek, on the west side of the dirt road, about 100 yards northwest of the cabin (destroyed) and corral, north of Forest Service Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1598 Comment
  SD131898  Monardella odoratissima subsp. pallida Barbara Ertter 1988-7-25 7860 Plumas Diamond Mountains, ca. 15 airmiles due south of Susanville, sheep camp on Pierce Creek. 1981 Comment
  SD6871  Monardella odoratissima subsp. pallida Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UCR280845  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  JEPS51858  Monardella odoratissima subsp. pallida Duncan Dunning 1921-8-11 Plumas top of mountain above Little Grizzly Valley (on Sterling to Almanor road) Comment
  SEINET10582102  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 293 Plumas Plumas National Forest. On Hwy. 70 west, less than .5 miles southeast of Greenhorn Ranch Rd. (just past Graff collections 285-290), at the end of a bridge before a rest area, on south side of the road. T24N,R10E,S26. Comment
  CAS-BOT-BC220483  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC102105  Monardella sheltonii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16218 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam. 1591 Comment
  CHSC36325  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy. 1768 Comment
  CHSC52053  Monardella sheltonii L. P. Janeway 1989-6-23 3398 Plumas Low W-facing roadcut along hwy 70/89, SE of Quincy; 0.9 mi S of Chandler Rd. 1097 Comment
  SD149143  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 Comment
  SJSU15284  Monardella sheltonii S. Woolhouse 2010-7-20 5 Plumas On forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  CHSC67989  Monardella stebbinsii James Bartel 1988-7-13 Plumas North Fork of Feather River, 6.3 km N of jct. with Hwy. 70 along Caribou Rd. (type locality). Comment
  CAS-BOT-BC26179  Monardella stebbinsii Clare B. Hardham 1968-7-15 15680 Plumas Sierra Nevada Mountains; near Belden, 1.9 km N of Queen Lily Campground. Comment
  SEINET10582268  Monardella stebbinsii A. Graff 1993-7-22 Graff 325 Plumas Plumas National Forest. 1.15 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R7E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  SEINET12334042  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3459 Plumas Johnsville quad T23N R12E NW? of sec20, Above Jackson Cr. and Middle Fk Feather River, 2.3 mi from * 1646 Comment
  CAS-BOT-BC444736  Montia chamissoi Mary Strong Clemens 1920-5-24 s.n. Plumas Taylorsville Comment
  CHSC33623  Montia linearis M. S. Taylor; M. Foster 1981-6-3 3845 Plumas W side of 24N10 in vernal depression near meadow, ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  SEINET10572659  Montia linearis Mary Susan Taylor 1982-5-6 Taylor 4409 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  JEPS50775  Montia parvifolia Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9286 a Plumas just n of Storrie (along Feather River Highway); Feather River Highway 716 Comment
  CAS-BOT-BC263363  Muhlenbergia asperifolia Fred Sommers; Greg Sommers 1976-7-15 171 Plumas Sierra Valley Marsh, roadside along Dyson Lane near Road A23, Sierra Nevada 1524 Comment
  UC424187  Muhlenbergia filiformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CHSC110612  Muhlenbergia richardsonis B. Castro; G. Kuenster 2006-8-4 1585 Plumas Northern Sierra Nevada. SW side of lower Thompson Valley 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, near low knolls with rounded granitic rock outcrops, ca 100 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  CHSC67414  Muhlenbergia richardsonis James D. Jokerst 1985-6-10 2400 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC47994  Myosotis discolor Vernon Oswald 1984-7-9 1357 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  CDA40604  Myosotis laxa L. Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  CHSC94837  Myosotis laxa Lowell Ahart 2006-10-8 13408 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC46674  Myosotis scorpioides Vernon H. Oswald 1988-8-5 3623 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. On the edge of Yellow Creek. 1316 Comment
  UC1101355  Myosurus apetalus Herbert L. Mason 1953-6-16 14555 Plumas meadow at head of Clover Valley; Dixie Mountains Comment
  UCD96284  Myosurus apetalus Herbert L. Mason 1953-6-16 14554 Plumas Two miles east of Beckwourth. Comment
  CHSC70036  Myosurus apetalus var. borealis L. P. Janeway 1997-5-14 5123 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  CAS-BOT-BC83340  Myosurus minimus A. A. Heller; P. B. Kennedy 1907-7-2 8681 Plumas Between Vinton and Beckwith. Comment
  UCSC000283  Myosurus minimus subsp. minimus J. G. Lemmon 1889-5-20 s.n. Plumas Sierra Valley, Plumas or Sierra County Comment
  SD130500  Myriophyllum sibiricum Fred Sommers 1976-8-10 200 Plumas Sierra Valley Marsh, from ditch along Dyson Lane. 1524 Comment
  CHSC82493  Nama lobbii Lowell Ahart 2002-6-26 9770 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  CHSC37003  Narthecium californicum M. S. Taylor 1982-9-2 5087 Plumas Butterfly Botanical Area, just s of Switchback, ca. 1 air mi w of Keddie. 1188 Comment
  UC1075682  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley near Quincy; Butterfly Valley 1219 Comment
  CDA19242  Navarretia breweri G. D. Barbe, T. C. Fuller 1982-6-17 3821 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC92183  Navarretia capillaris Lowell Ahart; John Dittes 2005-9-19 12402 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  CHSC44332  Navarretia divaricata Lowell Ahart 1974-7-30 561 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
  CHSC97577  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes 2007-6-17 14155 Plumas On the sides of a small wash, about 20 yards west of Red Clover Creek, about 10 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 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
  RSA104163  Navarretia intertexta Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  RSA718444  Navarretia intertexta L. Ahart 2006-7-9 12927 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
  SEINET197718  Navarretia intertexta J. M. Tucker 1948-7-24 1717 Plumas Near road from Cascade to Camel Peak. 1615 Comment
  CHSC97113  Navarretia intertexta subsp. propinqua Lowell Ahart; Josephine Guardino 2007-7-20 14349 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  CDA14321  Navarretia intertexta subsp. propinqua H. George 1998-7-27 s.n. Plumas Sierra Nevada; near Quincy. 0 Comment
  RSA83058  Navarretia leptalea Verne Grant, Alva Grant 1948-7-11 s.n. Plumas Lava Cap, southwestern Plumas County Comment
  SD46441  Navarretia leptalea Robert J. Weatherly 1955-7-21 1643 Plumas Cattle Springs, near Bottle Springs, Middle Fork Feather River, on Mc Carthy Bar Road 1524 Comment
  UC1123772  Navarretia leptalea subsp. leptalea E. Sawyer 1935-6-27 202 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  UC614921  Navarretia leptalea subsp. leptalea Beryl O. Schreiber 1932-7-19 461 Plumas near Prattville; near Prattville Comment
  UC711954  Navarretia leptalea subsp. leptalea Roxana S. Ferris and Laura Lorraine 1941-8-9 10421 Plumas near village (Lake Almanor Public Camp); Lake Almanor Public Camp Comment
  CAS-BOT-BC230396  Navarretia leucocephala subsp. minima Fred Sommers; Greg Sommers 1976-6-16 134 Plumas 500 m S of Metal Bridge Comment
  SEINET14152722  Navarretia linearifolia subsp. linearifolia A. A. Heller, P. B. Kennedy 1907-7-5 8743 Plumas Hills above Red Clover Valley. Comment
  CDA1156  Nemophila heterophylla D. G. Kelch, A. R. Smith, Andrew Murdock, Ruth Kirkpatrick 2006-6-2 6 .274 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  SD7448  Nemophila parviflora Mrs. R. M. Austin 1880-1 Plumas Big Meadow Comment
  SEINET5521051  Nemophila parviflora var. austiniae P. A. Lehenbauer 1929-5-12 2680 Plumas 2 miles West of Portola Comment
  POM181056  Nemophila pedunculata A. A. Heller, P. B. Kennedy 1907-7-4 8734 Plumas Meadow 2 miles S of Red Clover valley. Comment
  UC606940  Nemophila pedunculata L. Constance 1938-6-10 2320 Plumas near Lake Almanor (Feather River at Chester); , nr Lake Almanor 1219 Comment
  JEPS112759  Nicotiana attenuata Dean W. Taylor 2001-10-13 17923 Plumas Frenchman Lake Road ca. 1 mile below (South) of the dam 1767 Comment
  UC1122217  Oenothera deltoides subsp. piperi C. W. Hanks 1934-8-13 44 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CDA38150  Oenothera deltoides subsp. piperi T. C. Fuller 1968-7-1 17323 Plumas Sierra Nevada; Hwy 70 to Beckwourth, 1 mile east of Vinton, Sierra Valley. Comment
  SEINET5345598  Oenothera flava subsp. flava W. Harnach, N. Harnach 1990-6-13 377 Plumas Sierra Valley, Sw of Beckwourth, Ramelli Ranch 1487 Comment
  SEINET11602248 Image available Oreostemma alpigenum var. andersonii L. R. Miller 1933-8-27 3018 Plumas Near Long's Lake Comment
  CAS-BOT-BC500134  Orobanche fasciculata C. R. Quick 1951-6-7 51 -97 Plumas Ridge NE of Humbug Valley Comment
  CAS-BOT-BC500235  Orobanche pinorum George W. Gillett 1957-7-23 890 Plumas Lassen Volcanic National Park. Summit of Mt. Harkness 2446 Comment
  SEINET10968897  Orobanche uniflora subsp. occidentalis Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4197 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  CHSC62354  Orthilia secunda B. Castro 1989-8-18 404 Plumas Ca 7 air mi S of Bucks Lake, ca 1 mi E of Hardquartz mine; towards top of Scotch Ck. 1676 Comment
  JEPS114612  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  SD133971  Orthocarpus copelandii Barbara Ertter 1988-7-25 7859 Plumas Diamond Mts ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek 1981 Comment
  CHSC63478  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1994-7-20 7485 Plumas Label also says: Sierra County. On both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  JEPS106313  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  SEINET10549692  Orthocarpus lacerus Mary Susan Taylor 1981-6-19 Taylor 3931 Plumas T27N R7E ne/ne sec 10. Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89. 4500 ft elev. 1372 Comment
  CHSC63108  Osmorhiza chilensis Lowell Ahart 1994-7-7 7453 Plumas On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south-east of Pilot Peak. 2011 Comment
  CDA13402  Osmorhiza occidentalis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13251 Plumas Sierra Nevada; below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CHSC46673  Packera subnuda var. subnuda Vernon H. Oswald 1988-8-5 3621 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  CAS-BOT-BC121003  Paeonia brownii J. T. Howell 1962-6-17 37717 Plumas Portola 1463 Comment
  CHSC82444  Panicum acuminatum var. acuminatum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9817 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  HSC10486  Panicum acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie. 1067 Comment
  UCD88586  Panicum acuminatum var. fasciculatum R. Tofsrud 1948-7-1 s.n. Plumas 1 mile N. of Quincy. Comment
  UCD88718  Panicum acuminatum var. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  UCD32834  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs. 1676 Comment
  RSA718152  Panicum dichotomiflorum L. Ahart 2006-10-23 13499 -A Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Stale Creek., About 1/8 mile northeast of Scales Road, about 5.5 miles (air) northeast of Strawberry Valley. 1282 Comment
  CHSC1835  Pedicularis attollens V. Holt 1942-7-2 Plumas Na Wa Kwa near Longville. 1310 Comment
  JEPS23105  Pedicularis attollens H. L. Mason 1924-6-26 Plumas Blairsden Comment
  SD6611  Pedicularis attollens Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  RSA59174  Pedicularis groenlandica subsp. surrecta E. K. Balls 1950-9-1 15600 Plumas East of Long Lake, at foot of meadow leading down to two smaller lakes. 2104 Comment
  HSC102783  Pedicularis racemosa L. Ahart 2008-8-14 15201 Plumas About 5 air miles NE of La Porte, ~.05 mi. NE of Little Grass Valley Reservoir; east side of Forest Service Road 22N68, ~100 yds. west of the South Fork of the Feather River 1572 Comment
  JEPS114507  Pedicularis racemosa Lowell Ahart 2008-8-14 15201 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  UCR3598  Pedicularis racemosa Wm. Horn Jr. 1963-8-4 630811- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 0.5 west of UC Forestry Camp 1220 Comment
  CHSC34262  Pedicularis racemosa subsp. alba M. S. Taylor 1981-9-10 4272 A Plumas Head of Bullfrog Ravine near Springs, ca. 3 mi w of Indian Falls. 1737 Comment
  CHSC21297  Pedicularis semibarbata F. T. Griggs; A. Pass 1975-7-29 258 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC43769  Pedicularis semibarbata Vernon Oswald 1983-8-4 966 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  POM147039  Pedicularis semibarbata Alice Eastwood 1927-06 14600 Plumas Long Valley. United States Forest Reserve. Comment
  UC197948  Pellaea brachyptera J. G. Lemmon and wife June 1883 Plumas Comment
  UC122754  Pellaea brachyptera Mrs. R. M. Austin Aug. 1876 Plumas Soda Springs Comment
  CAS-BOT-BC69362  Pellaea breweri Wayne D. Dakan 1973-8-6 s.n. Plumas Thompson Peak near the look-out Comment
  CAS-BOT-BC67615  Pellaea bridgesii J. G. Lemmon 1889-6-1 s.n. Plumas Gold Lake Valley Comment
  CAS-BOT-BC67616  Pellaea bridgesii J. G. Lemmon 1889-6-1 s.n. Plumas Gold Lake Valley Comment
  RSA420403  Penstemon Rockwell 1925-07 s.n. Plumas [No location information provided.] Comment
  RSA299502  Penstemon deustus J. T. Howell, Walter Knight, I. Knight, Gordon H. True Jr. 1967-7-10 2163 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity. 884 Comment
  UC1063375  Penstemon deustus E. Sawyer 1935-6-3 59 Plumas 1 3/4 mi s Beckwith Butte; Plumas National Forest, Sierraville Quad. Comment
  CDA18677  Penstemon deustus var. pedicellatus G. D. Barbe, T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  HSC97084  Penstemon gracilentus L. Ahart, John Dittes 2005-9-20 12449 Plumas S side of FS Rd. 27N34, 1 mi. NE of Eisenheimer Peak, 0.75 mi. S of Wilcox Valley 2050 Comment
  RSA88420  Penstemon gracilentus J. T. Howell 1951-6-28 27695 Plumas Eureka Peak 1982 Comment
  CHSC69693  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 A Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  CHSC69694  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 B Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  OBI72059  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock lookout, ca 8 airmiles S of Susanville 2256 Comment
  SFV17477  Penstemon laetus P. Wilson 1998-7-18 3534 dup. Plumas Sierra Nevada Bucks Lake. 1600 Comment
  RSA537558  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8656 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  CHSC28922  Penstemon laetus var. leptosepalus L. Hanson 1979-7-11 29 Plumas Kellogg Lookout Area. Comment
  NY627275  Penstemon neotericus K. A. Vincent 1987-8-10 4505 Plumas Sierra Nevada, Tobin Ridge, North Fork Feather River Canyon; along west side of CA 70, ca. 7.4 miles southwest of Beldon Town. 640.1 Comment
  HSC21039  Penstemon newberryi R. Spellenberg 1964-6-18 473 Plumas 2 mi. W of Lassen National Park boundary on Hwy. 44 Comment
  SEINET10898223  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Plumas Sonora pass rocky crevices. Sierra nevada. Comment
  CAS-BOT-BC239297  Penstemon newberryi var. berryi Mary Strong Clemens 1920-6-23 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC239298  Penstemon newberryi var. berryi John Thomas Howell; Gordon H. True 1967-7-11 43351 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC239307  Penstemon newberryi var. berryi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54277 Plumas Mt. Hough 2203 Comment
  CAS-BOT-BC239308  Penstemon newberryi var. berryi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade Comment
  UC565924  Penstemon newberryi var. newberryi F. W. Embree 1934-6-6 75 Plumas 1 mi s, 0.25 mi w Rutherford; Bidwell Bar Quad. 1615 Comment
  UC1874884  Penstemon personatus David M. Thompson 1988-7-23 973 Plumas 3.1 road mi N of Bucks Lake Road (and Meadown Valley) on Schneider Creek Road. At junction of Schneider Road (USFS Road 23N16) and USFS Road 24N47X (to Big Creek); Bucks Lake NE Quad. 1584 Comment
  SEINET5329276 Image available Penstemon personatus M. Foster 1988-7-8 182 Plumas Bucks Lake NE Quad; in clearcut unit, 1/2 mi E of Big Creek and Big Creek Rd., below F.S. Rd. 24N47X, 3 mi W of Bucks lake, 10 mi SW of Quincy 1591 Comment
  SEINET4207724  Penstemon roezlii Mikel R. Stevens 2011-8-27 214 Plumas Near intersection of Big Creek Rd with Red Rd, 4.7 miles E of of Bucks Lake on Big Creek Rd. Ca 4.6 air miles SW of Meadow Valley.; 0 1625 Comment
  UC579426  Penstemon roezlii G. T. Nordstrom 1934-7-2 169 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1584 Comment
  CDA18479  Penstemon roezlii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3245 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CAS-BOT-BC239584  Penstemon rydbergii var. oreocharis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Natl. Park Comment
  CAS-BOT-BC239613  Penstemon rydbergii var. oreocharis Mrs. A. L. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  POM181074  Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-5 8735 Plumas Red Clover valley Comment
  UC1063269  Penstemon rydbergii var. oreocharis A. Lewis 1934-6-12 480 Plumas Little Grass Valley Plumas National Forest, Downieville Quad., Little Grass Vall 1524 Comment
  UC696715  Penstemon rydbergii var. oreocharis A. A. Heller with P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  JEPS11384  Penstemon speciosus H. L. Mason 1924-6-26 1045 Plumas Blairsden Comment
  UC1063514  Penstemon speciosus E. Sawyer 1935-6-14 128 Plumas two mi n Beckwith; Plumas National Forest, Sierraville Quad. 1615 Comment
  SEINET10964440  Penstemon speciosus Mary Susan Taylor 1981-5-10 Taylor 3668 Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  SEINET10454547  Perideridia bolanderi Mary Susan Taylor 1982-6-10 Taylor 4626 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  RSA641472  Perideridia bolanderi subsp. bolanderi Michael A. Vincent 1999-6-7 8531 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UC174210  Perideridia bolanderi subsp. bolanderi Katharine Brandegee Plumas Portola Comment
  JEPS114797  Perideridia lemmonii Lowell Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UC1123118  Perideridia lemmonii E. Sawyer 1935-6-25 152 Plumas 1/2 mi n Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC40867  Perideridia parishii K. R. Stern 1985-6-25 8237 Plumas Vicinity of Blairsden. 1432 Comment
  CDA13987  Perideridia parishii subsp. latifolia G. F. Hrusa 1996-8-2 13449 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  CAS-BOT-BC413561  Persicaria amphibia John Thomas Howell 1926-7-30 2160 Plumas Prattville 1371 Comment
  SD46513  Persicaria amphibia Robert J. Weatherby 1950-7-7 1463 Plumas Snake Lake, Quincy 1219 Comment
  CAS-BOT-BC419039  Persicaria lapathifolia Lowell Ahart 1981-9-6 3095 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CHSC45862  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas On a sandbar along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills. 1097 Comment
  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
  SEINET4335752  Persicaria maculosa E. K. Balls 1950-8-31 15544 Plumas Spanish Creek, off Hwy 24, just north of Quincy 1067 Comment
  UC1778644  Phacelia hastata subsp. hastata G. Douglas Barbe, T. C. Fuller 1982-7-15 3737 Plumas 2 miles below summit on return from Red Hill, near junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F), Plumas National Forest. 1676 Comment
  RSA8049  Phacelia heterophylla subsp. virgata H. A. Barker 1927-7-1 757 Plumas Blairsden 1372 Comment
  JEPS120555  Phacelia humilis B. Castro and L. P. Janeway 2006-6-4 1537 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 3000 ft N of jcn of McReyolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). Comment
  UC131530  Phacelia humilis Mrs. R. M. Austin Plumas Big Meadows Comment
  RSA8050  Phacelia humilis var. humilis H. A. Barker 1927-7-3 761 Plumas Blairsden. 1372 Comment
  JEPS26571  Phacelia linearis Lauramay T. Dempster 1961-6-16 1464 Plumas ridge n Red Rock (n of Engelmine) Comment
  SEINET10496976  Phacelia linearis Mary Susan Taylor 1982-5-19 Taylor 4482 Plumas T23N R14E se/nw sec 32. Portola quad. Sandy open slope on w facing ridge, ca. 1.5 mi e of Portola. 5600 ft. 1706 Comment
  CHSC20826  Phacelia mutabilis K. R. Stern 1975-7-25 5827 Plumas S shore of Lake Almanor. 1371 Comment
  SBBG21894  Phacelia mutabilis D. Myrick 1964-7-21 883 Plumas near trail parking area, Drakesbad 1737 Comment
  CHSC76057  Phacelia procera G. F. Hrusa; T. D. Wilfred 1996-7-9 13193 Plumas Grizzly Campground, S of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  CHSC117027  Phacelia racemosa Lowell Ahart 2016-6-2 20915 Plumas Basalt flat, on west side of paved road, Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir dam. 1555 Comment
  CHSC82443  Phalaris arundinacea Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9832 Plumas On the north side of Forest Road 22N94, about 50 yards west 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. 1583 Comment
  CDA25501  Philadelphus lewisii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .256-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  UC1035987  Philadelphus lewisii Helen K. Sharsmith 1955-6-28 4522 Plumas below Virgilia; East Branch of North Fork of Feather River 762 Comment
  CHSC44583  Phleum alpinum Lowell Ahart 1977-8-8 1540 Plumas On the floor of a hydaulic mine, south of Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CAS-BOT-BC260847  Phleum pratense John Thomas Howell 1961-9-23 36817 A Plumas Greenville, Sierra Nevada Comment
  CAS-BOT-BC260848  Phleum pratense John Thomas Howell 1959-9-21 34725 Plumas Belden, Sierra Nevada 701 Comment
  CAS-BOT-BC260851  Phleum pratense Greg Sommers 1976-7-5 151 Plumas Sierra Valley Marsh, S side of Marble Lane, Sierra Nevada 1487 Comment
  CHSC103127  Phleum pratense Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16115 Plumas North 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
  SEINET3144280  Phleum pratense E. K. Balls 1950-9-15 15844 Plumas 6 mi NW of Chester, Nrth Fork Feather River 1402 Comment
  RSA687514  Phlox diffusa subsp. diffusa G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-24 3264 Plumas Summit of Mt. Hough 2195 Comment
  UC1186122  Phlox douglasii subsp. rigida Herbert L. Mason 1924-6-16 1045 Plumas Graeagle Comment
  POM147144  Phlox speciosa subsp. occidentalis Alice Eastwood 1927-06 14518 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  RSA304899  Phlox speciosa subsp. occidentalis J. R. Shevock 1972-5-19 1795 Plumas Highway 89; Crescent Mills 1006 Comment
  SJSU14710  Phoenicaulis cheiranthoides N. A. Hopkins 1991-6-3 1682 Plumas by Beckwourth-Genesee Valley Rd S of Red Clover Valley Ranch House 1524 Comment
  CAS-BOT-BC58840  Phyllodoce breweri Anna Head 1920-7-15 s.n. Plumas Feather River Region - Peak above Round Lake 2286 Comment
  CHSC102745  Pinus contorta subsp. murrayana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16146 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam. 1606 Comment
  UCD69324  Pinus contorta subsp. murrayana Patsy Barry 1984-5-28 30 Plumas Benner Creek Campground. 1706 Comment
  NY49920  Pinus contorta var. murrayana R. A. Cockrell 1937-8-5 8327 Plumas Meadow Valley 2042.2 Comment
  NY49926  Pinus contorta var. murrayana E. Fritz 1936-6-21 8206 Plumas 1722.1 Comment
  CAS-BOT-BC73083  Pinus lambertiana John Thomas Howell 1960-7-20 35751 Plumas Lassen Volcanic National Park, Boiling Springs Lake. 1798 Comment
  CHSC45829  Pinus ponderosa Lowell Ahart 1974-10-4 656 Plumas Along the edge of a dirt road near Grouse Hollow Creek, along a road near Skyhigh, about 20 miles north-east of Oroville. 1066 Comment
  CHSC55466  Pinus ponderosa Ben Cunningham 1991-4-20 26 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  CAS-BOT-BC158330  Piperia elongata L. P. Janeway 1992-7-2 4248 Plumas Field redacted by CAS, contact the data manager for more information 716 Comment
  SEINET3891743  Piperia unalascensis D. W. McNeal 1991-7-25 3850 Plumas Beside the Jamison Lake Trail, between Grass and Jamison Lakes, Lakes Basin.; 0 Comment
  SEINET6167697  Piperia unalascensis W. D. Billings, H. J. Oosting 1941-8-2 s.n. Plumas Just east of Sierra-Plumas County line, Laporte-Johnsville Road Comment
  UCD138996  Piperia unalascensis Kenneth D. Stewart 1965-7-7 s.n. Plumas around 15 miles north of Quincy. 1554 Comment
  CDA14595  Plagiobothrys bracteatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3079 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC103134  Plagiobothrys cusickii Lowell Ahart; John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC40546  Plagiobothrys cusickii Lowell Ahart 1985-9-26 5175 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
  CHSC89548  Plagiobothrys cusickii G. D. Barbe; T. C. Fuller 1982-6-17 3845 Plumas Northern California. Plumas National Forest. East shore of Frenchman Lake; Crystal Fishing Access. Arm of the lake at the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  CAS-BOT-BC230964  Plagiobothrys hispidulus John Thomas Howell 1976-7-16 51898 Plumas Flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 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
  RSA252424  Plagiobothrys mollis R. F. Thorne, C. W. Tilforth 1969-9-6 39237 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 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
  SJSU7540  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Butterfly Valley c. 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC230639  Plagiobothrys torreyi var. diffusus L. P. Janeway 1992-5-6 4159 Plumas About 4 miles SW of Portola, W side of Claireville Flat between Middle Fork Feather RIver and Highway 70 1482 Comment
  UCD124601  Plantago lanceolata Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  JEPS102654  Plantago major Lowell Ahart 2001-8-29 9252 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC51028  Platanthera leucostachys Lowell Ahart 1990-7-16 6570 Plumas Along the edge of the South Fork of the Feather River, about 1/2 mile north-east of the Independence Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  JEPS88493  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1996-8-1 8138 Plumas Forest Road 27N16 ca 1.5 mi nw Hauns Mdw. (s slope of mt., uphill side of road, ca 1.5 mi se of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn., Second Water Trough Creek 1706 Comment
  UC1134743  Platanthera leucostachys A. E. Wieslander 1927-7-10 17 Plumas meadow below Silver Lake; Bidwell Bar Quad. Comment
  SEINET3892859  Platanthera sparsiflora D. W. McNeal 1990-7-25 3843 Plumas Beside the Rd. to the Mills Pk. Lookout (Church Meadows Rd.), 0.5 mi E of the jct. of the Gold Lake Rd.; 0 Comment
  CHSC60499  Plectritis ciliosa subsp. insignis L. P. Janeway 1992-5-22 4200 Plumas Plumas National Forest, Beckwourth Ranger District. Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1493 Comment
  UC175328  Plectritis macrocera A. A. Heller 1913-6-13 10848 Plumas near Marston Station 1066 Comment
  UC580664  Pleiacanthus spinosus C. W. Hanks 1934-8-6 2 Plumas n end Sierra Valley; Sierraville Quad. 1554 Comment
  UCD134960  Pleiacanthus spinosus Collector Unknown 1955-9-1 s.n. Plumas Sierra Valley, near Longton. Comment
  CAS-BOT-BC458184  Pleuricospora fimbriolata M. Storey; D. S. McMullin 1943-9-14 s.n. Plumas Challenge road, 1 mi. SW of La Porte 1645 Comment
  RSA52906  Pleuricospora fimbriolata R. Weatherby 1973-10-2 s.n. Plumas Bucks Lake. 1524 Comment
  CHSC44584  Poa bolanderi Lowell Ahart 1977-7-26 1499 Plumas Along the logging road to Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  JEPS95297  Poa bolanderi Lowell Ahart 1994-7-7 7449 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  UCD94972  Poa bulbosa var. vivipara Michael A. Vincent 1999-6-7 8538 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  CHSC96859  Poa compressa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  JEPS115125  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16230 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  RSA129116  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3 1/4 miles northwest of Beckwith Butte. 1494 Comment
  RSA754382  Poa cusickii subsp. cusickii L. P. Janeway, B. Castro 2008-6-8 9400 Plumas Northern High Sierra Nevada: NE side of middle of Lower Thompson Valley, about 1.8 km N of Red Clover Creek and about 10 m NE of the Thompson Valley Creek. 1670 Comment
  CAS-BOT-BC255917  Poa nervosa Clare B. Hardham 1975-8-2 20488 Plumas Black Mt., Sierra Nevada 2133 Comment
  CAS-BOT-BC255918  Poa nervosa John Thomas Howell; Gordon H. True 1969-6-23 45823 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC247274  Poa palustris John Thomas Howell 1961-9-25 36944 Plumas Feather River bed, Portola 1478 Comment
  RSA201356  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  UCD91797  Poa palustris John Thomas Howell 1955-7-19 30735 Plumas Portola. 1478 Comment
  RSA201374  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  CHSC44588  Poa pratensis Lowell Ahart 1977-8-8 1546 Plumas On a dam, in Onion Valley Meadow, east of the small lake, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC76333  Poa pratensis G. F. Hrusa 1997-5-30 13834 Plumas Sierra Nevada. Along Rattlesnake Creek creekbed. E side of Rattlesnake Ck., S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  SEINET7850458  Poa pratensis W. Harnach, N. Harnach 1991-6-21 561 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to R/R bridge east of Co. Rd. A-23. 1487 Comment
  JEPS121737  Poa pratensis subsp. angustifolia L. P. Janeway 2014-7-15 11522 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). 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
  JEPS113667  Poa pratensis subsp. pratensis Lowell Ahart, Josephine Guardino 2007-7-20 14310 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  SEINET10659349  Poa scabrella Mary Susan Taylor 1982-6-14 Taylor 4655 Plumas T27N R12E sw1/4 nw1/4 sec 12. Antelope Lake quad. In wet montane meadow, Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. With Potentilla gracilis nuttallii. 1536 Comment
  SEINET10659364  Poa scabrella A. Arthur Heller, Patrick B. Kennedy 1907-7-3 Heller 8706 Plumas Hills above Red Clover valley. Comment
  RSA129252  Poa secunda E. Sawyer 1936-6-25 153 Plumas 1.5 miles E. of Crow 1677 Comment
  RSA300137  Poa secunda J. T. Howell 1967-6-23 42672 Plumas Canyon of Butterfly Creek just above its mouth 976 Comment
  SEINET190973 Image available Poa secunda A. A. Beetle 1941-6-28 2769 Plumas West side of Lake Almanor, 1829 Comment
  UCD90393  Poa secunda Beecher Crampton 1954-5-11 1887 Plumas Sierra Valley, 7 miles S of Vinton. Comment
  JEPS76238  Poa secunda subsp. juncifolia W. L. Jepson 1939-8-14 19413 Plumas Willow Creek Willow Creek 1828 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-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
  CAS-BOT-BC242989  Poa secunda subsp. secunda Walter & Irja Knight 1967-5-22 1804 Plumas Butterfly Botanical Area and Vicinity. Rubble gap Comment
  CHSC57466  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River. 1487 Comment
  UC1132760  Poa secunda subsp. secunda E. Sawyer 1935-5-28 49 Plumas 3 1/4 mi ese Grizzly Peak; Sierraville Quadrangle Comment
  UCD91664  Poa secunda subsp. secunda P. B. Kennedy; A. A. Heller 1907-7-3 8706 Plumas Hills above Red Clover Valley. Comment
  CDA32655  Poa secunda subsp. secunda G. D. Barbe 1982-6-9 3655 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CAS-BOT-BC244148  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC6512  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  RSA0000488  Poa sierrae J. T. Howell, Gordon H. True 1967-5-9 42204 Plumas 3.5 mi SW of Belden, Feather River Canyon 610 Comment
  JEPS108582  Polemonium californicum L. P. Janeway, B. Castro 2005-9-11 8545 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail about 0.6 km north of Three Lakes 1899 Comment
  SD7690  Polemonium micranthum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS107704  Polygonum arenastrum Lowell Ahart, John Dittes 2005-9-19 12410 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1986 Comment
  CAS-BOT-BC414218  Polygonum aviculare subsp. depressum John Thomas Howell 1960-7-19 35614 Plumas Lassen Volcanic National Park. Near buildings, Drakesbad 1828 Comment
  JEPS87769  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  POM104624  Polygonum bistortoides Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC414553  Polygonum douglasii John Thomas Howell 1926-7-26 2142 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC414563  Polygonum douglasii John Thomas Howell; Gordon H. True 1973-7-31 50090 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  UCD100238  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Lassen Volcanic National Park, Drakesbad. 1737 Comment
  RSA88463  Polygonum douglasii J. T. Howell 1951-8-19 28193 Plumas Greenville. 1098 Comment
  CHSC62483  Polygonum douglasii subsp. douglasii L. P. Janeway 1993-8-10 4517 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. Around the sagebrush in sagebrush flats. 1487 Comment
  CHSC62484  Polygonum douglasii subsp. douglasii L. P. Janeway 1993-8-5 4498 Plumas Plumas National Forest, La Porte Ranger District. Northeast end of Mooreville Ridge; along road 21N16 0.5 mi northeast of Devils Gap. 1623 Comment
  CHSC91914  Polygonum douglasii subsp. douglasii Lowell Ahart; Josephine Guardino 2005-8-9 12279 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
  CHSC53210  Polygonum douglasii subsp. johnstonii L. P. Janeway 1989-6-14 3306 Plumas Plumas National Forest. Beckwourth Ranger District. Forest along s'ly side of Red Clover Valley. Openings in yellow pine forest; volcanic gravelly area, mostly bare; among sagebrush. 1699 Comment
  CHSC57093  Polygonum douglasii subsp. johnstonii L. P. Janeway; Garrett Gibson 1991-7-11 4070 Plumas Plumas National Forest. Beckwourth Ranger District. Westside Compartment. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  CHSC91537  Polygonum douglasii subsp. johnstonii G. Douglas Barbe; T. C. Fuller 1982-7-16 3762 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CHSC102972  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2009-9-7 16897 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC57094  Polygonum douglasii subsp. spergulariiforme L. P. Janeway; Garrett Gibson 1991-7-11 4072 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  JEPS114412  Polygonum douglasii var. douglasii Lowell Ahart 2008-7-16 15095 Plumas West edge of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) nort 1597 Comment
  SEINET11930158  Polygonum minimum Unknown 1974-1 579 Plumas Small mountain near the headwater of Hopkins Creek, near Mt Etna, about 10 mi NE of La Porte 1829 Comment
  RSA59176  Polygonum phytolaccifolium E. K. Balls 1950-9-1 15602 Plumas Long Lake, above east shore toward Mt. Elwell. 2104 Comment
  JEPS28653  Polygonum phytolaccifolium George W. Gillett 1957-7-19 848 Plumas on trail to Sifford Lakes about 1 1/4 mi above the Devils Kitchen; Lassen Volcanic National Park 2057 Comment
  CAS-BOT-BC419887  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1955-7-20 30869 Plumas Mohawk 1371 Comment
  CAS-BOT-BC419888  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 37807 Plumas Sierra Valley near Beckwourth 1487 Comment
  UC1199809  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14701 Plumas vernal pool e Beckwourth Butte 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
  CHSC21600  Polygonum polygaloides subsp. kelloggii L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake Floristic Survey. Found in the middle e portion of the section. Comment
  CAS-BOT-BC420049  Polygonum polygaloides subsp. kelloggii D. E. Breedlove 1962-6-12 3432 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  JEPS50550  Polygonum sawatchense subsp. sawatchense W. I. Follett 1941-5-31 123 Plumas Rich Gulch 1173 Comment
  SJSU14707  Polygonum spergulariiforme N. A. Hopkins 1991-7-3 1695 Plumas by rd to Janesville just N of Red Clover Valley 1524 Comment
  UCSB51214  Polypodium californicum Almanza, Ed 1976-4-1 Plumas Feather River Canyon, N-fork, Hwy 70, 7 mi past county border 640 Comment
  CAS-BOT-BC72271  Polystichum imbricans subsp. curtum John Thomas Howell 1959-9-21 34743 Plumas Belden 701 Comment
  CHSC4211  Polystichum imbricans subsp. curtum D. B. Joley 1967-3-8 6 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CHSC102121  Polystichum imbricans subsp. imbricans Lowell Ahart; John Dittes 2009-7-27 16164 Plumas On dry soil, on and around large rocks, about 50 yards southeast of a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS124291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas About 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  RSA754533  Polystichum imbricans subsp. imbricans L. Ahart, John Dittes 2009-7-27 16164 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  CAS-BOT-BC76689  Polystichum munitum Edward Pittman 1965-10-16 201 Plumas Between Bryant Ravine & Feather Falls. 670 Comment
  UC197927  Polystichum scopulinum J. G. Lemmon and wife July 1883 Plumas Indian Valley; N. Sierra Mts. Comment
  SJSU6437  Porterella carnosula N. A. Hopkins 1971-6-19 401 .5 Plumas seven miles south of Beckwourth, southeastern Plumas County 1524 Comment
  CAS-BOT-BC445274  Portulaca oleracea John Thomas Howell 1959-9-21 34749 Plumas Sand bars of N. Fk. Feather River, near Belden 701 Comment
  CAS-BOT-BC267205  Potamogeton foliosus Malcom A. Nobs; S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at N end of Lake Almanor, just S of Chester Comment
  CHSC85010  Potamogeton gramineus L. P. Janeway; B. Castro 2003-9-7 7986 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. Pond edges. 2063 Comment
  CHSC44265  Potamogeton praelongus Vernon Oswald 1988-7-19 3604 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CAS-BOT-BC143115  Potentilla breweri Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) 2046 Comment
  UC1128231  Potentilla gracilis F. W. Embree 1934-6-12 110 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  UC903269  Potentilla gracilis Mrs. H. P. Bracelin 1931-5-31 399 Plumas Chester Comment
  CAS-BOT-BC540079  Potentilla gracilis var. fastigiata Anna Head 1921-7-25 s.n. Plumas Meadow above Long Lake Comment
  CAS-BOT-BC540411  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight 1966-6-19 1365 Plumas Butterfly Botanical Area and Vicinity, near Pond Reservoir, Butterfly Valley 1097 Comment
  CAS-BOT-BC158506  Potentilla millefolia Thomas H. Kearney 1944-8-14 66 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC158524  Potentilla millefolia A. A. Heller; P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CHSC1576  Potentilla millefolia V. Holt 1937-5-13 Plumas Between Mineral and Chester. 1524 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
  JEPS44464  Potentilla millefolia J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  UC191278  Potentilla millefolia unknown 1892-7-4 Plumas Prattville Comment
  CHSC118835  Potentilla millefolia Wendy L. Boes 2015-6-27 2015028 Plumas Plumas National Forest. Located near Indian Creek, to northwest of Antelope Lake, in between Forest Service road 28N31 and 28N03. UTM 701358 E, 4453845 N, NAD83 Zone 10N. 1580 Comment
  SEINET6637082  Potentilla millefolia A. A. Heller, P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CDA30239  Potentilla rivalis L. Ahart, J. Dittes, J Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CHSC89276  Poteridium annuum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16326 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UCD139788  Prosartes hookeri Alva Day 1939-5-31 s.n. Plumas Cascade Creek. Comment
  SD6643  Prunella vulgaris Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  CHSC55714  Prunella vulgaris subsp. lanceolata K. R. Stern 1985-6-25 8254 Plumas Vicinity of Blairsden. 1402 Comment
  SEINET12272878  Prunella vulgaris subsp. lanceolata Unknown 1961-1 239 Plumas Upper Butterfly Valley, 2.5mi W turn off Hwy 89-US 40 alt. 1 mi S Keddie. T25N R9E Sect.21.* 1158 Comment
  CHSC52058  Prunella vulgaris var. lanceolata L. P. Janeway 1989-6-22 3375 Plumas Plumas National Forest. Slopes between Crocker Mtn and the N end of Crocker Mdw; just N of rd 24N49Y. 1767 Comment
  CHSC70802  Prunella vulgaris var. lanceolata B. Castro; R. Zebell, R. Fallscheer 1989-8-15 395 Plumas Ca 6 air mi S of Bucks Lake, ca 0.3 mi SE of jcn USFS Rds 23N15 and 23N70, ca 100 ft E of Rd 23N70 by small pond. 1670 Comment
  POM70079  Prunella vulgaris var. lanceolata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC46656  Prunus emarginata Lowell Ahart 1989-7-2 6337 Plumas Near low cliffs, on the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  UC1128323  Prunus emarginata E. Sawyer 1935-5-23 34 Plumas 1 1/2 mi ssw of Kerby (Plumas National Forest); Plumas National Forest 1554 Comment
  CAS-BOT-BC154645  Prunus subcordata Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC37635  Prunus virginiana var. demissa T. B. Devine 1979-10-5 601 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi E of its junction with the E branch of the N Fork. 792 Comment
  CHSC81149  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  SEINET7412554  Prunus virginiana var. demissa M. Ferguson, D. Matthews, C. Hoffman, J. Jaggers, B. Kalb, A. Onisko 2011-10-3 s.n. Plumas Grizzly Creek Ranch, near riparian area. Comment
  UC567086  Prunus virginiana var. demissa E. Sawyer 1935-6-1 57 Plumas 3/4 mi w of Kerby 1524 Comment
  CAS-BOT-BC356381  Pseudognaphalium beneolens John Thomas Howell 1960-8-20 36279 Plumas Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad 1615 Comment
  CAS-BOT-BC357346  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1465 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  UC485670  Pseudognaphalium thermale H. M. Hall 1912-8-4 Plumas Marston Sierra Nevada Mountains, Marston Comment
  UC711925  Pseudognaphalium thermale Roxana S. Ferris and Laura Lorraine 1941-8-8 10412 Plumas near Storrie (canyon of north fork of Feather River, rocky road cut); North Fork Feather River Comment
  CHSC110384  Pseudostellaria jamesiana Lowell Ahart 2012-9-5 18434 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of LaPorte. 1889 Comment
  CAS-BOT-BC174804  Pseudostellaria jamesiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54232 Plumas About 4 miles southeast of Mt. Hough on the road to Quincy 1645 Comment
  JEPS106031  Pseudostellaria sierrae Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  CAS-BOT-BC80156  Pseudotsuga menziesii Saichi Kawahara 1968-5-5 413 Plumas Feather River Canyon, 5 miles west of Quincy turnoff, on Highway 70 914 Comment
  CAS-BOT-BC361782  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Linnea Hanson; Joyce Lacey 1993-6-26 4405 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; ca 0.5 mi southwest of Beckwourth, 4 mi east of Portola, corner of Beckwourth-Calpine Road and railroad 1487 Comment
  CAS-BOT-BC361846  Psilocarphus oregonus Alice Eastwood 1927-6-17 14685 Plumas United States Forest Reserve. Long Valley Comment
  SEINET10454559  Pteryxia terebinthina var. californica Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4967 Plumas T21N R11E se sec 3. Sierra City NW quad. On ridge between Florentine Cyn and Spencer Lakes, ca. 5 mi sw of Johnsville. 7000 ft. 2133 Comment
  UCD91537  Puccinellia distans John Thomas Howell 1955-7-19 30803 Plumas Vinton. 1505 Comment
  CAS-BOT-BC239790  Puccinellia lemmonii Greg Sommers 1976-7-1 138 Plumas Sierra Valley Marsh, roadside along Dyson Lane, 1 km W of metal bridge 1524 Comment
  CAS-BOT-BC147875  Purshia tridentata var. tridentata Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CDA18746  Purshia tridentata var. tridentata G. D. Barbe, T. C Fuller 1982-7-16 3773 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
  CHSC113656  Purshia tridentata var. tridentata L. P. Janeway 2014-5-25 11266 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
  RSA754534  Pycnanthemum californicum L. Ahart, John Dittes 2009-7-27 16181 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  SD123507  Pycnanthemum californicum Robert F. Thorne 1974-7-30 45005 Plumas Plumas National Forest, Butterfly Valley Botantical Area 1157 Comment
  CAS-BOT-BC460825  Pyrola aphylla John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2412 Plumas Sierra Nevada: Butterfly Botanical Area. Beargrass glade Comment
  CHSC63960  Pyrola asarifolia subsp. asarifolia B. Castro; Linnea Hanson 1989-9-28 412 Plumas Ca 6 air mi SSW of Bucks Lake, ca 0.4 mi SW of Arkansas Ravine, just upslope from S side of USFS Rd 23N60 and just W of the bridge over Coldwater Creek, on the S side of the bridge, in moist drainage area. 1481 Comment
  CHSC117552  Pyrola dentata Lowell Ahart 2016-7-9 21098 Plumas South of road bank, 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
  UC1075730  Pyrola picta Robert J. Weatherby 1955-7-21 1645 Plumas Bottle Springs near Middle Fork Feather River; Bottle Springs 1615 Comment
  UC1121055  Pyrola picta C. G. Albertus 1935-8-8 255 Plumas 3 1/4 miles NE of Blue Nose 2103 Comment
  CAS-BOT-BC466101  Pyrola picta Alice Eastwood 1927-6-12 14528 Plumas United States Forest Reserve: Forest Lodge near Greenville Comment
  CAS-BOT-BC362160  Pyrrocoma apargioides Lewis S. Rose 1934-7-23 34408 Plumas Vinton 1524 Comment
  JEPS101250  Pyrrocoma hirta var. lanulosa Dean W. Taylor 2000-8-12 17549 Plumas Camp 14 (ca. 5 air miles SE from Antelope Lake), drainage of Last Chance Creek, along Forest Road 26N07 1694 Comment
  CHSC89978  Pyrrocoma lucida Colby J. Boggs 2004-8-5 57 Plumas Approximately 1.5 miles north of the Town of Mohawk between railroad tracks and Middle Fork of the Feather River, and 0.1 miles southwest of Hwy 70. Terrace adjacent to river. 1302 Comment
  SD108123  Pyrrocoma lucida Richard Alan Mayes 1974-8-10 179 Plumas 1 mile west of State Route 89 on Plumas Co. road A-14, Plumas National Forest Comment
  CAS-BOT-BC362345  Pyrrocoma racemosa var. paniculata John Thomas Howell 1959-9-25 35016 Plumas 5 miles east of Beckwourth, Sierra Valley 1493 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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  UCD45577  Quercus chrysolepis Leonard H. Day 1948-7-11 s.n. Plumas Elevation 4710 feet; Lava Top (in Butte County) ca. 1 mile south of Cascade, Plumas County, California. 1435 Comment
  JEPS108141  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4752 Plumas Northern High Sierra Nevada. On top of Lava Top, about 0.8 mi southeast of town of Cascade 1411 Comment
  CAS-BOT-BC93983  Quercus durata John Thomas Howell 1951-6-26 27532 Plumas near Rich Bar 792 Comment
  UC586938  Quercus kelloggii Joseph Andorfer Ewan 1934-7-2 8230 Plumas Penman Peak Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC104603  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  CHSC82359  Quercus vacciniifolia Lowell Ahart 2002-7-6 9837 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  JEPS103361  Quercus vacciniifolia Lowell Ahart 2002-7-6 9837 Plumas 1 1/2 air mi NE of Four Trees (large meadow, W side of dirt road, on Rock Island Ridge, 3/4 mi SE of Soapstone Hill and the Oroville Quincy Highway) 1611 Comment
  SEINET10871791  Quercus vacciniifolia Mary Susan Taylor 1982-6-21 Taylor 4702 Plumas T23N R10E ne/se sec 23. Blue Nose Mt quad. E slope of Golden Creek, on both sides of 23N49Y, 0.8-1.0 mi w of its jct with 23N39, ca. 2.7 mi w of White Cap, ca. 4 air mi sw of Sloat. 5400 ft. 1646 Comment
  RSA712805  Ranunculus alismifolius var. hartwegii L. P. Janeway 2005-6-12 8417 Plumas High Cascade Range, E side of Feather River Meadows 0.8 km N of Rice Creek and N Fork Feather Five confluence. 1631 Comment
  SEINET5338395  Ranunculus andersonii C. Bailey 1979-3-24 42 Plumas Frenchman Res., just beyond parking area on N side of dam 1743 Comment
  SEINET8695949  Ranunculus andersonii var. andersonii W. Harnach 1990-3-31 254 Plumas Sierra Valley, W side of volcanic knob to the W of County Road A-23 near Marble Lane (Land belong to Wilson brothers and for sale at present). 1515 Comment
  SD8190  Ranunculus aquatilis Daniel Cleveland 1882-7-26 Plumas Hamilton Bridge, Big Meadfows Comment
  JEPS54996  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  JEPS86268  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  JEPS102723  Ranunculus flammula var. ovalis Lowell Ahart 2001-10-16 9379 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS115116  Ranunculus flammula var. ovalis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16240 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC60488  Ranunculus glaberrimus var. ellipticus L. P. Janeway 1992-4-2 4146 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. 1484 Comment
  RSA31131  Rhamnus purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  SEINET13946362 Image available Rhamnus purshiana E. K. Balls 1950-1 15785 Plumas Red Fir Forest, 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet,southern 2012 Comment
  CHSC82448  Rhododendron neoglandulosum Lowell Ahart 2002-7-6 9841 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  SD46616  Rhododendron occidentale Robert J. Weatherby 1955-6-16 1531 Plumas Head of Berry Creek, above Virgilia, Feather River Canyon. 1520 Comment
  UC1121083  Rhododendron occidentale F. W. Embree 1934-6-6 64 Plumas Plumas National Forest, s slope of Bucks Mountain Bucks Mountain; Plumas National Forest, Bucks Mountain 1524 Comment
  RSA246600  Rhynchospora capitellata Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42344 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  CDA14735  Ribes cereum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3267 Plumas Mount Hough summit. 2194 Comment
  JEPS49443  Ribes cereum Jos. Grinnell May, 1927 Plumas Wilson Lake Comment
  UC1127408  Ribes cereum C. G. Albertus 1935-8-14 267 Plumas 1 mi ne Lovejoys; Plumas National Forest, Downieville Quadrangle Comment
  JEPS113418  Ribes inerme var. inerme Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14463 Plumas About 40 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  CAS-BOT-BC219219  Ribes nevadense John Thomas Howell 1976-7-15 51867 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  CHSC10767  Ribes nevadense Lowell Ahart 1969-5-18 Plumas Slate Creek, 10 miles south of La Porte. 914 Comment
  JEPS115169 Image available 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
  UCSB15960  Ribes nevadense Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  UCSB16018  Ribes roezlii Breedlove, Dennis 1962-6-12 Plumas on bank of Jackson Creek; in upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  RSA0018028  Ribes roezlii E. K. Balls 1950-9-9 15775 Plumas Lakes Center Public Campground, Southern Plumas County. 2043 Comment
  CAS-BOT-BC186236  Ribes roezlii var. roezlii Clare B. Hardham 1961-6-16 7438 Plumas Diamond Peak Comment
  UC1127582  Ribes velutinum C. W. Hanks 1934-8-29 59 Plumas opposite Beckwith Pass (Nevada line); Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC168779  Ribes viscosissimum Anna Head 1921-6-23 s.n. Plumas Lake Center Camp - Feather River Region Comment
  CAS-BOT-BC168785  Ribes viscosissimum Rimo Bacigalupi 1927-7-7 1629 Plumas Half-way between Camp Elwell and Long Lake, Gold Lake Region Comment
  JEPS102426  Ribes viscosissimum var. hallii Lowell Ahart 2001-6-4 8753 Plumas About 1/8 mile north of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  CAS-BOT-BC363062  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth 1645 Comment
  CAS-BOT-BC74631  Rorippa curvisiliqua Anna Head 1920-6-1 s.n. Plumas Feather River Region. Near Gold Lake. Comment
  CAS-BOT-BC74634  Rorippa curvisiliqua A. A. Heller 1915-7-7 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 miles west of Bucks. Comment
  CAS-BOT-BC74644  Rorippa curvisiliqua E. K. Balls 1950-8-31 15549 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1066 Comment
  CAS-BOT-BC74641  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake. 1584 Comment
  CHSC102130  Rorippa curvisiliqua var. curvisiliqua Lowell Ahart; John Dittes 2009-7-27 16166 Plumas On damp soil, bottom of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC53136  Rorippa curvisiliqua var. curvisiliqua L. P. Janeway 1990-7-25 3811 Plumas Plumas National Forest. Along Emigrant Creek about 1 1/4 mi south of Little Grizzly Creek. 1950 Comment
  JEPS48546  Rorippa nasturtium-aquaticum John W. Duffield 1937-5-26 Plumas Schneider Creek above and w Meadow Valley (sw Plumas County); Bucks Lake Quad., Schneider Creek above and w Meadow Valley Comment
  CHSC21557  Rosa bridgesii L. M. Mayer; D. E. Brink 1975-7-2 Plumas Bucks Lake. Comment
  JEPS105834  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11001 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC148167  Rosa gymnocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54191 Plumas 4 miles north of Grays Flat, on road to Long Valley - Sierra Nevada 1447 Comment
  CAS-BOT-BC148168  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1558 Plumas Fern Glen - butterfly Botanical Area and vicinity 1112 Comment
  CAS-BOT-BC148170  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2405 Plumas Butterfly Botanical Area, South end of Pond reservoir - Sierra Nevada Comment
  CAS-BOT-BC148182  Rosa gymnocarpa Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge Comment
  RSA755682  Rosa gymnocarpa L. Ahart, John Dittes 2009-7-15 16078 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  SBBG30528  Rosa gymnocarpa D. Myrick 1968-6-18 1945 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  RSA726333  Rosa woodsii var. ultramontana L. Ahart, J. Dittes, J. Guardino 2007-8-10 14465 Plumas About 40 yards S of Beckworth Gensee Road. There is a small quarry E of a poor road, the meadow and stream, about 2 miles (air) N of the N end of Lake Davis. 1762 Comment
  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
  JEPS127341  Rubus parviflorus Lowell Ahart 2016-7-9 21100 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC156923  Rubus ursinus Walter Knight; Irja Knight 1966-6-18 1318 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC422163  Rumex californicus D. E. Breedlove 1962-6-12 3443 Plumas On northern bank of Indian Creek along State Hwy. 89, 6.9 miles south of Greenville 1066 Comment
  CAS-BOT-BC433315  Rumex crispus M. S. Taylor 1982-9-8 5108 Plumas S side of Round Valley Reservoir, ca. 4 mi s of Greenville. 1371 Comment
  CHSC20783  Rumex fueginus K. R. Stern 1975-7-23 5852 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC82125  Rumex fueginus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  CAS-BOT-BC434309  Rumex triangulivalvis John Thomas Howell 1960-7-19 35616 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC81412  Sagittaria cuneata Lowell Ahart 2001-9-18 9282 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC445680  Sagittaria cuneata John Thomas Howell 1926-7-24 2109 Plumas Lake Almanor near Prattville 1371 Comment
  CHSC33939  Sagittaria latifolia M. S. Taylor 1981-8-5 4165 Plumas Indian Valley, s side of Hwy 105, 1.5 mi e of its jct with Hwy 80 just n of Crescent Mills. 1066 Comment
  UCSC001857  Sagittaria latifolia H. S. Yates 1936-8-12 6089 Plumas Lake Almanor - Prattville 1341 Comment
  RSA52875  Sagittaria latifolia R. Weatherby 1950-7-21 1483 Plumas Butterfly Lake near Quincy. 1220 Comment
  CHSC58516  Salix eastwoodiae Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5034 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-BC103878  Salix exigua Greg Sommers 1976-6-12 119 Plumas Along Dyson Lane, 100 meters west of metal Bridge 1524 Comment
  CAS-BOT-BC107967  Salix geyeriana John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2396 Plumas End of Butterfly Valley toward canyon - Sierra Nevada Comment
  CAS-BOT-BC107970  Salix geyeriana A. A. Heller; P. B. Kennedy 1907-7-4 8728 Plumas Meadow two miles south of Red Clover Valley Comment
  CAS-BOT-BC125310  Salix lasiandra var. lasiandra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54388 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  SEINET11957801  Salix lasiolepis E. L. Smith 1971-1 951 Plumas Quincy 1043 Comment
  CAS-BOT-BC107161  Salix lasiolepis var. bigelovii John Thomas Howell; H. Keith Wagnon 1980-5-28 53690 Plumas Indian Falls, near Indian Creek - Sierra Nevada 975 Comment
  JEPS102790  Salix lasiolepis var. lasiolepis Lowell Ahart 2001-6-4 8756 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile SW of the Feather Fork Mine, about 1 mile NE of Little Grass Valley Reservoir, about 5 miles (air) NE of La Porte. 1594 Comment
  CAS-BOT-BC124801  Salix lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1882 Plumas At north end of Butterfly Valley proper 1036 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  CAS-BOT-BC125102  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
  POM218941  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 398 Plumas N Fork of Feather River, at Chester. 1350 Comment
  UC481905  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC481910  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester (bottom land beside bridge); N. Fork Feather R. 1350 Comment
  CHSC92188  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2005-9-20 12453 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  CAS-BOT-BC129392  Salix melanopsis A. A. Heller; P. B. Kennedy 1907-7-13 8830 Plumas Taylorville Comment
  CAS-BOT-BC129095  Salix scouleriana Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1513 Plumas East of dam, pond reservoir - Butterfly Botanical Area and vicinity. 1094 Comment
  RSA794996  Salix scouleriana L. Ahart, John Dittes 2009-7-15 16079 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  CAS-BOT-BC176984  Salsola tragus John Thomas Howell 1955-7-19 30763 Plumas Beckwourth 1493 Comment
  RSA59485  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CDA5752  Salvia aethiopis T. C. Fuller 1961-11-29 9303 Plumas Indian Valley; Hannon property, North Road, 4.5 miles east of Greenville. 0 Comment
  CAS-BOT-BC238842  Sambucus nigra subsp. caerulea Anna Head 1921-8-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC235197  Sambucus racemosa var. racemosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC235198  Sambucus racemosa var. racemosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS115215  Sanguisorba annua Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16126 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS46337  Sanguisorba annua W. L. Jepson 1939-8-12 19399 Plumas Ferris Creek , branch of Last Chance Creek (branch of Last Chance Creek) 1767 Comment
  UC337558  Sanicula bipinnatifida unknown 1889-6-26 34 Plumas Mohawk Valley Comment
  CHSC53112  Sanicula graveolens L. P. Janeway 1990-6-28 3742 Plumas Plumas National Forest. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2011 Comment
  SEINET11155993  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover Valley. Comment
  JEPS113467  Sanicula tuberosa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13992 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
  SEINET3240022  Santalaceae R. L. Mathiasen 2010-1 1039 Plumas 1.6 km E of Humboldt Summit; 1850 Comment
  JEPS120771  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  CHSC21116  Sarcodes sanguinea F. T. Griggs; A. Pass 1975-7-1 20 Plumas East of Grizzly Creek. Comment
  UC1121105  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/34 miles S S E of Grizzly Peak 1554 Comment
  CDA11932  Saxifraga oregana G. F. Hrusa, J. Dinsdale 1989-6-27 7207 Plumas Sierra Nevada; NW end of Bucks Lake, . Comment
  RSA0101552  Sceptridium multifidum R. M. Austin s.n. Plumas American Valley. Sierra Nevada. Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  UCD65885  Schedonorus arundinaceus John Thomas Howell; Gordon True, Walter Knight, and Irja Knight 1967-7-10 2168 Plumas Mouth of Butterfly Creek. 883 Comment
  RSA300175  Schedonorus pratensis J. T. Howell, I. Knight, Walter Knight, Gordon H. True 1967-7-10 2194 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity. 884 Comment
  POM119341  Scheuchzeria palustris Anonymous 1897-7-5 s.n. Plumas Prattville Comment
  SEINET10472669  Schoenolirion album Mary Susan Taylor 1982-6-6 Taylor 4610 Plumas T25N R7E nw sec 4. Almanor SW quad. S side of Caribou Rd, ca. 1 mi ne of Queen Lily Campground, ca. 4 air mi ne of Belden. 2700 ft. 823 Comment
  CAS-BOT-BC111267  Schoenoplectus acutus var. occidentalis Walter Knight; Irja Knight 1966-6-18 1389 Plumas Butterfly Valley, in sort mud or shallow water of pond reservoir. 1097 Comment
  CAS-BOT-BC111268  Schoenoplectus acutus var. occidentalis John Thomas Howell; Gordon H. True 1967-7-9 43254 Plumas North Fork of Feather River 3 miles southwest of Caribou. 853 Comment
  CAS-BOT-BC111270  Schoenoplectus acutus var. occidentalis John Thomas Howell 1961-9-25 36943 Plumas Feather River bed, Portola 1478 Comment
  RSA239279  Schoenoplectus acutus var. occidentalis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42335 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; Pond Reservoir 1159 Comment
  SEINET10466945  Scirpus acutus Mary Susan Taylor 1982-9-8 Taylor 5125 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC35584  Scirpus congdonii Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS112947  Scirpus congdonii Dean W. Taylor 2001-8-2 17885 Plumas meadow on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  CAS-BOT-BC110861  Scirpus diffusus Walter Knight; Irja Knight 1966-6-18 1387 Plumas Butterfly Valley. Near Spring 1158 Comment
  CHSC21179  Scirpus diffusus F. T. Griggs; A. Pass 1975-7-17 221 Plumas Buck's Lake. Comment
  CHSC102075  Scirpus microcarpus Lowell Ahart; John Dittes 2009-7-14 16033 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC111009  Scirpus microcarpus W. W. Wagner 1919-5-25 266 Plumas In wet meadow, Squirrel Creek, vicinity of Quincy. 1615 Comment
  SD46740  Scirpus pauciflorus Robert J. Weatherby 1955-6-26 1545 Plumas Common in mosses, wet meadow. Mud Lake, Lakes Basin Area. 2103 Comment
  UC1713589  Scutellaria antirrhinoides C. Epling 1938-6-1 Plumas Prattville Comment
  JEPS55995  Sedum albomarginatum C. H. Uhl 1961-1 968 Plumas 2.9 mi e of Rich Bar and 6.8 mi e Belden (serpentine cliff on n side of East Branch of North Fork Feather River, Feather River Canyon); Feather River Canyon, East Branch North Fork Feather River Comment
  CAS-BOT-BC61463  Sedum laxum subsp. laxum Lowell Ahart 1968-6-29 s.n. Plumas Near La Porte. 914 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
  JEPS79625  Selaginella wallacei Edward Lee 1951-10-8 Plumas 0.1 mi above junction of N. Fork Feather River Hwy. Comment
  CHSC89475  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 206 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CAS-BOT-BC363727  Senecio hydrophilus W. Harnach; N. Harnach 1991-6-30 599 Plumas Sierra Valley. Approx. 1 mile south of the Steel Bridge on Marble lane 1486 Comment
  CAS-BOT-BC363733  Senecio hydrophilus M. S. Taylor 1982-9-8 5121 Plumas N end of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CHSC85678  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3691 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
  SEINET10474913  Senecio integerrimus var. exaltatus Mary Susan Taylor 1982-5-7 Taylor 4416 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  UCD135566  Senecio integerrimus var. exaltatus Grady L. Webster 1990-5-13 7731 Plumas Lee's Summit, 3 miles northwest of Cromberg. 1356 Comment
  CDA8654  Senecio integerrimus var. major G. D. Barbe 1982-6-9 3670 Plumas Plumas National Forest, south slope of Thompson Peak summit, along road to lookout. Comment
  CAS-BOT-BC364173  Senecio serra H. M. Hall; E. B. Babcock 1903-7-1 4459 Plumas Sierra Nevada Mountains. Red Clover Creek 1676 Comment
  JEPS16115  Sericocarpus oregonensis subsp. californicus Duncan Dunning 1921-8-23 Plumas 6 mi e, e end of American Valley, above Thompson Ranch Quincy; American Valley Comment
  UCD135897  Sericocarpus oregonensis subsp. californicus J. M. Tucker 1968-9-13 4139 Plumas on slope above Butterfly Valley. Around 2 miles southwest of Keddie. 1066 Comment
  CAS-BOT-BC240244  Setaria viridis John Thomas Howell 1959-9-21 34726 Plumas Belden 701 Comment
  UC1585844  Sibbaldia procumbens Barbara Ertter with Gary Schoolcraft 1989-7-3 8673 Plumas ca 7 air mi s Susanville (Diamond Mt. peak, n-face); Diamond Mt. 2286 Comment
  CHSC82965  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
  CHSC95026  Sidalcea gigantea Lowell Ahart 2006-10-23 13461 Plumas Along a small seep, on the north side of the road to the dam across Slate Creek, about 100 yard north of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC21810  Sidalcea glaucescens F. T. Griggs; A. Pass 1975-7-29 256 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC52527  Sidalcea glaucescens L. P. Janeway 1990-6-19 3720 Plumas Plumas National Forest. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  CHSC71643  Sidalcea glaucescens Vernon H. Oswald; Lowell Ahart 1998-9-11 9475 Plumas USFS 23N85Y 0.6 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  UC1124957  Sidalcea glaucescens G. Burks 1933-8-8 23 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  CHSC91945  Sidalcea oregana subsp. spicata Lowell Ahart; Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS67294  Sidalcea oregana subsp. spicata W. L. Jepson 1939-8-12 19409 Plumas branch of Last Chance Creek Rowland Creek, Last Chance Creek (Rowland Creek, e Plumas Co.) 1798 Comment
  RSA52854  Sidalcea oregana subsp. spicata R. Weatherby 1950-7-21 1473 Plumas East Quincy Comment
  CAS-BOT-BC174851  Silene bernardina L. P. Janeway 1992-7-10 4254 Plumas About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek 2087 Comment
  RSA59180  Silene douglasii E. K. Balls 1950-9-1 15616 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  CAS-BOT-BC386983  Silene douglasii Anna Head 1921-7-20 s.n. Plumas On rocky slopes near Round L. Comment
  CHSC108707  Silene douglasii var. douglasii B. Castro; L. P. Janeway 2001-7-22 1348 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69). 1798 Comment
  CHSC108457  Silene invisa Lowell Ahart 2011-9-20 17683 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC41883  Silene invisa Lowell Ahart 1986-9-10 5396 Plumas About 1/2 mile north-west of Pilot Peak, about 1/2 mile south-east of Onion Valley, about 14 miles north-east of La Porte. 2072 Comment
  CHSC61726  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-25 5872 Plumas Lassen Volcanic National Park. S end of the arm of the North Fork of Rice Creek draining the N unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the creek. 2057 Comment
  CAS-BOT-BC388992  Silene laciniata subsp. californica Wall 1939-6-1 s.n. Plumas Brush Creek Comment
  CAS-BOT-BC389401  Silene lemmonii Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  CHSC52518  Silene lemmonii L. P. Janeway 1990-6-19 3722 Plumas Plumas National Forest. Creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  SJSU14273  Silene nuda N. A. Hopkins 1989-7-2 1554 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CAS-BOT-BC389565  Silene nuda Fred Sommers; Greg Sommers 1977-8-20 223 Plumas Sierra Valley Marsh. Along Dyson Lane, 200 meters southwest of A24 1524 Comment
  NY342641  Silene occidentalis R. M. Austin 07 1878 s.n. Plumas Big Meadows Comment
  CHSC110762  Silene occidentalis subsp. occidentalis Dean Wm. Taylor; Tom Engstrom 2011-8-2 21138 Plumas The Sierra Nevada. Ridge 1 mile East of Fowler Peak, along the Pacific Crest Trail 0.3 trail miles E of the junction with Forest Road 22N27. 1722 Comment
  CHSC82498  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) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  UCD150433  Sisyrinchium elmeri William Anderson 1965-6-6 s.n. Plumas Butterfly [Valley]. Comment
  CHSC75557  Sisyrinchium idahoense G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3113 Plumas Northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyou-Round Valley Road. 1371 Comment
  SEINET10594324  Sitanion hystrix Lawrence P. Janeway 1990-1 Janeway 3822 Plumas Mt. Ingalls quad. ALong Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. Disturbed open area in white fir/red fir forest near dry creek. 2057 Comment
  UC170936  Smilacina racemosa H. M. Hall 1912-7-8 9320 Plumas Long Lake Sierra Nevada Mountains 2042 Comment
  JEPS114811  Smilacina stellata Lowell Ahart 2008-8-14 15202 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC157243  Solanum umbelliferum A. Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  SEINET11382869 Image available Solidago canadensis Unknown 1934-1 8252 Plumas Mohawk Valley. 5300 ft. Comment
  CDA34548  Solidago canadensis subsp. elongata L. Ahart 2008-8-13 15191 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. Comment
  CAS-BOT-BC365511  Solidago elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy 1036 Comment
  HSC6185  Solidago elongata L. S. Rose 1966-7-28 66072 Plumas Quincy 1067 Comment
  CAS-BOT-BC365123  Solidago velutina subsp. californica Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  CAS-BOT-BC365974  Sonchus John Thomas Howell 1959-9-21 34796 Plumas Virgilia 841 Comment
  CAS-BOT-BC157312  Sorbus californica Mary Strong Clemens 1920-1-1 s.n. Plumas Crystal Lake Comment
  CHSC33592  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, ca. 4 mi nw of Meadow Valley. 1828 Comment
  RSA716794  Sparganium angustifolium subsp. emersum L. Ahart, John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2030 Comment
  CHSC92203  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  CAS-BOT-BC390579  Spergularia rubra Ella Dales Cantelow 1940-5-11 3448 Plumas E. of Bucks Lake Comment
  SEINET10537500  Spergularia rubra Lowell Ahart 1985-7-11 Ahart 5129 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC374762  Sphaeromeria potentilloides var. potentilloides Peter H. Raven 1963-5-28 18421 Plumas Flats 1.1 miles east of Beckwourth Comment
  CDA41086  Sphenosciadium capitellatum G. F. Hrusa, T. D. Wilfred 1996-8-1 13422 Plumas Sierra Nevada; Pine Creek at Brady's Camp, ~ 1/2 mi. NE Argentine Rock. Sheet 1 of 2 Comment
  CAS-BOT-BC290607  Spiraea Peter Rubtzoff 1978-8-4 9243 Plumas West side of Highway 89, 0.2 miles north of Spanish Creek crossing (ca. 0.75 miles north of Quincy). Comment
  POM91029  Spiraea densiflora Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. On the Big Divide. 1829 Comment
  CAS-BOT-BC149664  Spiraea douglasii Walter Knight; Irja Knight 1966-6-18 1288 Plumas Butterfly Valley. Near Darlingtonia Bog 1143 Comment
  CHSC36352  Spiraea douglasii M. S. Taylor 1982-6-14 4672 Plumas E side of Hwy 89 by Indian Creek, ca. 1 mi n of Indian Falls. 1036 Comment
  CHSC71651  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1998-8-11 9485 Plumas West of Bucks Lake on USFS 24N36 0.1 mi east of Oroville-Quincy Hwy. In meadow along Grizzly Creek. 1566 Comment
  RSA286333  Spiraea douglasii Robert F. Thorne 1974-7-30 44999 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  SBBG33889  Spiraea douglasii L. S. Rose 1969-6-24 69049 Plumas Butterfly Valley, S of Keddie 1158 Comment
  SDSU9262  Spiraea douglasii D. F. Howe 1960-9-21 2991 Plumas 6.0 miles N of Greenville on #89. 1219 Comment
  NY342291  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Feather river near Bucks Creek power house 609.6 Comment
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CHSC47368  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3548 Plumas Plumas National Forest. Along edge of dirt road in draw between Olive Cr and Peoria Cr, above Middle Fork Feather River. 1463 Comment
  CHSC91913  Stachys ajugoides var. rigida Lowell Ahart; Josephine Guardino 2005-8-9 12282 Plumas On the bottom of Fant Creek, about 50 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  UC1191921  Stachys ajugoides var. rigida Malcolm A. Nobs, S. Galen Smith 1949-8-18 1390 Plumas just s Chester (at n end of lake); Last Chance Marshes, Lake Almanor Comment
  CDA42425  Stachys pycnantha D. G. Kelch 2012-9-19 12 .376 Plumas Route 70 at North Fork of Feather River; 500 m south of turn-off to Pulga. Comment
  HSC95544  Stachys rigida var. rigida L. Ahart 2003-9-7 10557 Plumas Hartman Bar Ridge, about 1 mi. SW of Franklin Hill, about 3 1/2 mi. NW of Tamarack Flat, about 6 mi. NW of Little Grass Valley Reservoir Dam. 1524 Comment
  CHSC54394  Stellaria borealis subsp. sitchana Vernon H. Oswald 1991-7-8 4704 Plumas Lassen Volcanic National Park. Meadow on the northwest edge of Willow Lake, just north of the park boundary. Near the west gate in the park boundary fence. 1676 Comment
  JEPS116102  Stellaria crispa Lowell Ahart, John Dittes 2009-7-28 16198 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  JEPS122331  Stellaria crispa Lowell Ahart 2014-8-31 19805 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC391181  Stellaria longipes subsp. longipes Anna Head 1921-7-17 s.n. Plumas Gray Eagle Meadow, Feather River Region Comment
  CHSC81362  Stellaria nitens L. P. Janeway 1996-5-21 4977 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CAS-BOT-BC375050  Stenotus acaulis L. W. Swift 1934-5-18 116 Plumas Plumas National Forest. Sugar Loaf near Meadow View 1889 Comment
  CAS-BOT-BC375615  Stephanomeria lactucina Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC375624  Stephanomeria lactucina L. P. Janeway 1990-8-29 3839 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CHSC21225  Stephanomeria lactucina F. T. Griggs; A. Pass 1975-7-12 168 Plumas Buck's Lake. Comment
  SBBG128607  Stephanomeria lactucina L. Ahart 2008-8-14 15195 Plumas NE of the metal gate, E side of Forest Rd 22N68, ca. 50 yards W of the S Fork of the Feather River, ca. 0.5 mi NE of Little Grass Valley Reservoir, ca. 5 mi NE of La Porte 1572 Comment
  CHSC69511  Stephanomeria paniculata Lowell Ahart 1997-9-11 7913 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
  SEINET10603800  Stipa californica Lawrence P. Janeway 1990-1 Janeway 3821 Plumas Mt. Ingalls quad T24N, TR11E, SE 1/4 of sec. 10. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. Disturbed open area in white fir-red fir forest near dry creek.Forming small bunches.10, elev. 2057 Comment
  JEPS122341  Stipa stillmanii Lowell Ahart 2014-9-9 19860 Plumas On the west side of Sly Creek, Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. Comment
  RSA523875  Streptanthus cordatus Barbara Ertter, Gary Schoolcraft 1989-7-3 8653 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CAS-BOT-BC87781  Streptanthus tortuosus John Thomas Howell 1951-6-27 27638 Plumas Sierra Nevada. Jamison Creek. 1828 Comment
  CAS-BOT-BC87784  Streptanthus tortuosus John Thomas Howell 1976-7-16 51878 Plumas Sierra Nevada. Spanish Creek near mouth of Slate Creek. 1066 Comment
  RSA281664  Streptanthus tortuosus S. O. Mattoon 1979-6-17 99 Plumas Queen Lily C.G., N Fork of Feather River, 2 airmiles N of Hwy 70 near Belden. 564 Comment
  RSA71129  Streptanthus tortuosus L. S. Rose 1951-6-24 51074 Plumas Feather River Canyon, near Grays Flat. 823 Comment
  SEINET10448525  Streptanthus tortuosus Mary Susan Taylor 1982-7-12 Taylor 4821 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  JEPS87619  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-7 7464 Plumas n side of trail about 3/4 mi (air) s. Pilot Peak; Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SEINET10449415  Styrax officinalis subsp. redivivus Mary Susan Taylor 1982-5-23 Taylor 4511 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  UC140367  Swertia albicaulis var. nitida Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  CAS-BOT-BC245862  Symphoricarpos Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt., Sierra Nevada 2133 Comment
  CAS-BOT-BC271698  Symphoricarpos albus var. laevigatus John Thomas Howell 1961-6-21 36626 A Plumas Greenville 1097 Comment
  RSA726404  Symphoricarpos rotundifolius var. rotundifolius L. Ahart, John Dittes, Josephine Guardino 2007-6-8 14010 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CAS-BOT-BC97561  Symphyotrichum ascendens John Thomas Howell 1959-9-25 35020 Plumas Chilcoot 1524 Comment
  SJSU14207  Symphyotrichum ascendens N. A. Hopkins 1989-8-7 1571 Plumas near Red Clover Valley by road between Beckwourth & Genessee Valley 1676 Comment
  CHSC112506  Symphyotrichum bracteolatum L. P. Janeway 2014-7-16 11550 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  CHSC43255  Symphyotrichum bracteolatum Lowell Ahart 1987-10-16 5914 Plumas Along Cold Water Creek, east of the camp along the creek, about 1/10 mile southwest of Arkansas Ravine, southwest of the Hardquartz mine. 1767 Comment
  CHSC65481  Symphyotrichum bracteolatum L. P. Janeway 1995-9-18 4932 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
  UC726332  Symphyotrichum bracteolatum A. A. Heller 1937-8-10 16177 Plumas near Keddie near the Feather River Highway Comment
  CAS-BOT-BC98500  Symphyotrichum spathulatum Greg Sommers 1976-7-29 201 Plumas Sierra Nevada Marble Hot Springs area, Sierra Valley Marsh. Comment
  JEPS40761  Symphyotrichum spathulatum W. L. Jepson 1939-8-12 19393 Plumas Ferris Creek, branch of Last Chance Creek Last Chance Creek, Ferris Creek 1767 Comment
  CAS-BOT-BC98490  Symphyotrichum spathulatum Anna Head 1920-8-3 s.n. Plumas Feather River Region - meadows near Lake Center Camp 1920 Comment
  JEPS40758  Symphyotrichum spathulatum W. L. Jepson 1929-7-29 19282 Plumas between Fales Hill and Chaparral Hill Spanish Creek (headwaters) 1584 Comment
  CAS-BOT-BC98893  Symphyotrichum spathulatum var. intermedium Roxana S. Ferris 1951-9-14 12468 Plumas Between Graeagle & Calpine just north of Sierra County line (State Highway 89) Comment
  JEPS107722  Symphyotrichum spathulatum var. spathulatum Lowell Ahart, John Dittes 2005-9-20 12434 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  JEPS107729  Symphyotrichum spathulatum var. spathulatum Lowell Ahart, John Dittes 2005-9-19 12413 Plumas Along the west side of a good dirt road, about 1 1/2 miles east of Kettle Rock, about 1 1/2 miles southeast of Taylor Lake 2007 Comment
  UC1119750  Tanacetum parthenium F. W. Embree 1934-6-21 115 Plumas above Storie (Penstocks); Plumas National Forest, Bidwell Bar Quad. 1478 Comment
  UCD136750  Tanacetum parthenium F. W. Embree 1934-6-21 115 Plumas above Storris, North Fork of the Feather River south of Belden. 1478 Comment
  CHSC109855  Tanacetum vulgare L. P. Janeway 2012-10-17 11078 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 2.1 road km north of Onion Valley Creek; up-per east-facing flank of Fingerboard (Peak). 1963 Comment
  CHSC94782  Tanacetum vulgare Lowell Ahart 2006-10-8 13406 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
  JEPS3265  Taraxacum officinale Roxana S. Ferris 1952-5-18 12488 Plumas 1.5 mi n Greenville 1097 Comment
  CAS-BOT-BC376955  Taraxacum officinale G. Sommers 1976-7-29 200 G Plumas Sierra Valley. Along Marble Lane 1487 Comment
  CHSC30072  Taraxia tanacetifolia R. A. Schlising 1980-7-26 3922 Plumas Along Hwy 70, 1.9 mi E of junction with road to Davis Lake in Beckwourth; in ditches. Comment
  CDA25446  Tellima grandiflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .269 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CAS-BOT-BC392413  Thalictrum fendleri Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  RSA101466  Thalictrum fendleri R. Weatherby 1955-7-2 1573 Plumas Creek below Bear Ridge. 1982 Comment
  CDA14012  Thalictrum fendleri var. fendleri G. F. Hrusa, T. D. Wilfred 1997-6-26 13929 Plumas Sierra Nevada; About Pine Creek at Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC65117  Thalictrum fendleri var. fendleri Vernon H. Oswald; Lowell Ahart 1995-7-24 7106 Plumas High Cascade Range. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. 1950 Comment
  CHSC54413  Thalictrum sparsiflorum Vernon H. Oswald 1991-7-8 4703 Plumas Lassen Volcanic National Park. Meadow on the northwest edge of Willow Lake, just north of the park boundary. 1682 Comment
  SEINET12086542  Thalictrum sparsiflorum Austin 1877-1 s.n. Plumas no further locality Comment
  JEPS97810  Thelypteris nevadensis unknown Plumas Ca. 7 mi SE Kedde Comment
  UCD93379  Thinopyrum intermedium John Thomas Howell; Gordon H. True 1968-6-10 44544 Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC48356  Thlaspi montanum var. montanum Vernon Oswald 1986-6-6 2087 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  SD46491  Tofieldia glutinosa subsp. occidentalis Robert J. Weatherby 1950-7-21 1477 Plumas Common perennial on sunny wet soil in boggy meadow. Butterfly Valley, near Quincy. 1219 Comment
  UC844401  Tofieldia occidentalis subsp. occidentalis Anna Head 1921-7-22 Plumas on trail to Long Lake Feather River Region Comment
  CHSC116395  Torreyochloa pallida var. pauciflora Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 406 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  CAS-BOT-BC377049  Tragopogon John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54316 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  CAS-BOT-BC377094  Tragopogon dubius F. S. 1976-8-10 203 F Plumas Along Dyson Lane Comment
  CAS-BOT-BC399993  Trautvetteria caroliniensis Robert J. Weatherby 1955-8-9 1679 Plumas South Fork Haskins Creek, 2 miles south of Bucks Lake 1645 Comment
  CHSC21562  Trautvetteria caroliniensis var. occidentalis D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake Floristic Survey. In the middle of the section beside a stream. Comment
  CAS-BOT-BC519391  Triantha occidentalis subsp. occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54385 Plumas Sierra Nevada, 0.25 miles east of Bucks Summit on road to Quincy 1670 Comment
  CHSC58192  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1992-6-22 5019 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi ENE of Little Willow Lake. 1767 Comment
  JEPS63157  Trichostema oblongum W. L. Jepson 10642 Plumas Meadow Valley 1158 Comment
  CDA14036  Trifolium breweri G. F. Hrusa, T. D. Wilfred 1996-8-1 13408 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  POM147072  Trifolium breweri Alice Eastwood 1927-6-11 14452 Plumas United States Forest Reserve. Forest Lodge, Greenville. Comment
  UC80475  Trifolium breweri T. S. Brandegee 1892-7-4 Plumas Prattsville Comment
  SEINET7929937  Trifolium breweri Lewis S. Rose 1963-6-3 63100 Plumas Butterfly Valley 2 mi. sw. of Keddie.; 0 1189 Comment
  UCSC011043  Trifolium geminiflorum R. Morgan 2015-4-28 6790 Plumas Seed from La Porte Comment
  UC1130056  Trifolium kingii var. productum Beryl O. Schreiber 1938-7-9 2518 Plumas 1.5 mi e Meadow Valley; Bidwell Bar qaud, Plumas National Forest 1066 Comment
  CDA27985  Trifolium longipes T. C. Fuller 1962-6-13 9002 Plumas East of terminal, Ganzer Airport, Quincy. 0 Comment
  UC1130073  Trifolium macrocephalum E. Sawyer 1935-5-21 10 Plumas 3 1/2 mi ESE of Beckwith Butte 1493 Comment
  CHSC81122  Trifolium microcephalum Lowell Ahart 2001-8-29 9263 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1025063  Trifolium monanthum subsp. parvum Leo Whitney 1934-8-6 1556 Plumas ca 9 mi w Portola (nw end of Big Grizzly Valley); Plumas National Forest 1828 Comment
  CHSC84374  Trifolium obtusiflorum Lowell Ahart 2003-9-7 10555 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
  CAS-BOT-BC230206  Trifolium productum Mrs. E. C. Sutliffe 1918-7-1 s.n. Plumas Gold Lake Comment
  CHSC43676  Trifolium productum Vernon Oswald 1984-6-25 1328 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 Comment
  CAS-BOT-BC230199  Trifolium productum J. A. Jenkins 1937-7-9 2268 Plumas Bare summit ridge and ridges southwest of Diamond Mt., south of Susanville 2286 Comment
  UC146054  Trifolium variegatum var. variegatum A. A. Heller and P. B. Kennedy 1907-7-2 8676 Plumas Between Vinton and Beckwith Comment
  JEPS103309  Trifolium wormskioldii Lowell Ahart 2002-7-18 9871 Plumas On the N side of a small upper branch of Fall River, ca 100 yards N of Lumpkin Ridge Road, ca 1 mile (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  RSA0039541  Trifolium wormskioldii Lowell A. Ahart 2008-8-13 15185 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 1 mile northeast of La Porte. 1613 Comment
  UC630698  Trifolium wormskioldii A. A. Heller and P. B. Kennedy 1907-7-8 8769 Plumas between Taylorville and Crescent Mills Comment
  CAS-BOT-BC199687  Trisetum canescens Catherine Best 1983-8-29 872 Plumas Lakes Basin Campground 1920 Comment
  CAS-BOT-BC199688  Trisetum canescens Lowell Ahart 1980-8-27 2590 Plumas Near the Feather Fork Mine 1828 Comment
  CHSC108743  Trisetum projectum B. Castro; L. P. Janeway 2003-9-6 1450 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At NW corner of lake , a short way into forest ca 10-15 ft up from lake shore. 2058 Comment
  CHSC71664  Triteleia hyacinthina Vernon H. Oswald; Lowell Ahart 1998-8-11 9480 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  UC1191234  Triteleia hyacinthina Malcolm A. Nobs and S. Galen Smith 1949-8-19 1444 Plumas bog and marsh Butterfly Valley Comment
  UC333366  Triteleia hyacinthina unknown 1889-6-2 Plumas Mohawk Valley Comment
  CAS-BOT-BC521569  Triteleia hyacinthina John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54101 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  RSA0115175  Triteleia hyacinthina Lyman Benson 1949-6-21 13736 Plumas Meadow 1 mile west of Lake Almanor Inn. Mt. Range: Cascade. 1341 Comment
  SEINET8502607  Triteleia hyacinthina A. A. Heller, P. B. Kennedy 1907-7-9 8791 Plumas Prattville. Comment
  CAS-BOT-BC525737  Triteleia ixioides subsp. scabra Lowell Ahart 1983-8-17 4318 Plumas West of Pilot Pk., near Onion Valley, north-east of La Porte, near the Quincy La Porte Road 609 Comment
  CAS-BOT-BC527553  Triteleia montana C. R. Quick 1950-6-18 50 -10 Plumas Lake Almanor, 1 mile W of Almanor Inn, on S shore of Lake Almanor Comment
  CHSC54510  Tsuga mertensiana Vernon H. Oswald 1991-8-5 4801 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CAS-BOT-BC80235  Tsuga mertensiana subsp. grandicona M. S. Taylor; E. Pierce 1980-11-2 3367 Plumas Mt. Ingalls, ca. 30 mi [sof] s of Taylorsville 2551 Comment
  CAS-BOT-BC80236  Tsuga mertensiana subsp. grandicona M. S. Taylor 1981-7-17 4043 Plumas Lakes Basin, Bear lakes trail, around Cub Lake, ca. 6 air m s of Mohawk 1981 Comment
  CAS-BOT-BC240350  Utricularia intermedia H. L. Mason 1924-6-26 1090 Plumas Graeagle near Blairsden Comment
  CHSC44139  Utricularia intermedia V. Oswald; L. Ahart 1988-8-4 3676 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Bog at the nw end of the lake. 1676 Comment
  CHSC94536  Utricularia intermedia Barry Rice 2006-7-15 BR 060702 Plumas Lassen Volcanic National Park. In the shallows of Little Willow Lake. Comment
  UCD135961  Utricularia macrorhiza Barry Rice 2012-6-21 BR 120613 Plumas Snake Lake. 1210 Comment
  CHSC45296  Utricularia minor Vernon Oswald 1988-9-11 3698 Plumas Green Island Lake located ca. 7 mi (air) se of Jonesville. 1859 Comment
  SJSU15169B  Utricularia minor J. H. & E. Rondeau 1994-6-6 Plumas N end Lake Almanor, E side of lake, N of Hwy 36 bridge Comment
  CHSC36330  Utricularia vulgaris M. S. Taylor 1982-7-22 4905 Plumas In s end of Snake Lake, ca. 2 mi ne of Meadow Valley. 1524 Comment
  POM219370  Vaccinium H. F. Copeland 1931-6-11 1523 Plumas Hidden Lake, near head of Butte Creek. 2134 Comment
  CAS-BOT-BC199165  Vaccinium cespitosum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1696 Plumas Sweetwater Meadow 1127 Comment
  CAS-BOT-BC199173  Vaccinium cespitosum H. F. Copeland 1931-6-11 1523 Plumas Hidden Lake, near head of Butte Creek 2133 Comment
  UCD118046  Vaccinium cespitosum John Thomas Howell 1963-6-3 39392 Plumas Butterfly Valley. 1036 Comment
  CHSC70257  Vaccinium membranaceum B. Castro; R. Zebell 1989-8-10 385 Plumas Ca 5 air mi S of Bucks Lake (just W of Bull Flat on quad map). On slope just above USFS Rd 25N58 and overlooking tributary to China Gulch. 1682 Comment
  SFV8772  Vaccinium membranaceum J. I. Mallory 1969-8-21 348 Plumas Sierra Nevada 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte. 1524 Comment
  CAS-BOT-BC532578  Vaccinium shastense subsp. nevadense Len Lindstrand III 2013-6-5 s.n. Plumas French Creek, approx. 0.5 mi N of Sly Creek Dam, in an unnamed drainage tributary to French Creek, approx. 0.5 mi NW of the jct of USFS roads 21N16 and 231N13 1203 Comment
  CAS-BOT-BC199520  Vaccinium uliginosum Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CHSC66760  Vaccinium uliginosum subsp. occidentale Vernon H. Oswald; Lowell Ahart 1996-8-14 8175 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. Slope on the uphill side of the road. 1676 Comment
  UC1206605  Veratrum californicum var. californicum G. T. Nordstrom 1934-7-12 217 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC64833  Veronica americana Vernon H. Oswald 1995-6-24 6908 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC91750  Veronica scutellata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16285 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. In depression at upper edge of bog. 1158 Comment
  POM43652  Veronica scutellata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC1101485  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-18 1372 Plumas just s of Chester (Last Chance Marshes at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC64834  Veronica serpyllifolia subsp. humifusa Vernon H. Oswald 1995-6-24 6907 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  UCD107447  Veronica serpyllifolia subsp. humifusa Tim Kuhn 2006-6-28 19 Plumas north of Lake Davis at Old House Meadow. Comment
  JEPS113553  Vicia americana var. americana Lowell Ahart, John Dittes 2007-6-17 14187 Plumas On damp soil, 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
  UC1762439  Viola Milo S. Baker 1941-6-19 9968 Plumas Little Grass Valley, S end 1524 Comment
  CAS-BOT-BC263860  Viola adunca Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek Ranger Station Comment
  UC1749362  Viola adunca Milo S. Baker 1935-6-26 8103 Plumas ca 1 mi E of Mineral (along Hwy 39) Comment
  UC1763325  Viola adunca Milo S. Baker 1941-6-19 9966 Plumas Little Grass Valley Comment
  LA209756  Viola adunca subsp. adunca C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA52837  Viola bakeri R. Weatherby 1950-5-31 1438 Plumas Lake Almanor. 1418 Comment
  CHSC35936  Viola beckwithii M. S. Taylor 1982-5-17 4456 Plumas S side of rd. 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 1828 Comment
  POM84081  Viola beckwithii R. M. Austin 1877-04 29 Plumas American Valley. Comment
  JEPS127399  Viola douglasii Steve Matson 2006-5-28 1617 Plumas nSNH; near Greenville and Indian Valley; Copper Creek Camp. Comment
  JEPS50383  Viola glabella John W. Duffield 1937-5-26 Plumas above and w of Meadow Valley (Schneider Creek, in camp); Schneider Creek Comment
  CAS-BOT-BC537101  Viola lobata Milo S. Baker 1936-6-18 8394 Plumas Hwy 89 S of Keddie Comment
  CDA18731  Viola lobata G. D. Barbe, T. C Fuller 1982-7-15 3744 Plumas Plumas National Forest; 2.1 miles NE of junction with road to Red Hill Summit. 1524 Comment
  CHSC64139  Viola lobata subsp. integrifolia B. Castro; R. A. Schlising 1987-7-21 167 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42. 1539 Comment
  UC580671  Viola lobata subsp. integrifolia D. Axelrod 1934-6-9 31 Plumas 2 1/2 mi w of Lexington Hill; Plumas National Forest 1706 Comment
  CHSC2022  Viola macloskeyi R. Carter 1964-7-4 135 Plumas On S shore of Green Island L. where creek empties into lake. 1706 Comment
  CAS-BOT-BC5137  Viola purpurea subsp. integrifolia David Daniels Keck; J. Clausen 1935-6-25 3769 Plumas Near the Butte-Plumas County Line.on the Humbug Road from Prattville to Chaparral, just north of Humbug summit 1981 Comment
  SEINET8655809  Viola purpurea subsp. venosa W. Harnach 2014-4-29 1383 Plumas 1.2 miles north of Chilcoot on Frenchman Rd., then east 0.6 miles of USFS Rd. 24N88. 1572 Comment
  SEINET186445 Image available Viola quercetorum M. S. Baker 1937-5-16 8646 Plumas Indian Valley west side along Hwy 89 ca 2 1/2 mi S of Crescent Mills Comment
  UC337766  Viola sheltonii J. G. Lemmon 1882-5-28 Plumas Mohawk Valley Comment
  UC1761839  Viola sheltonii Helen K. Myers Apr 1931 Plumas Seneca Comment
  CAS-BOT-BC175665  Viola sororia subsp. affinis John Thomas Howell 1976-7-15 51839 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CAS-BOT-BC385033  Vitis californica John Thomas Howell; H. Keith Wagnon 1980-5-26 53597 Plumas Sierra Nevada: North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  UCD102814  Vitis californica Lewis S. Rose 1967-7-9 67140 Plumas Caribou, North Fork, Feather River. 914 Comment
  UCD16184  Vitis californica Mabel Little 1970-6-6 s.n. Plumas California. Plumas County: Lassen National Forest, near town of Mill Creek. Comment
  UCD16186  Vitis californica Mabel Little 1970-6-14 s.n. Plumas California. Plumas County: Lassen National Forest, near town of Mill Creek, South Antelope Creek. Comment
  RSA88108  Vulpia microstachys var. ciliata J. T. Howell 1951-6-28 27669 Plumas Jamison Creek. 1585 Comment
  CAS-BOT-BC73632  Woodsia oregana M. S. Taylor 1982-6-10 4624 Plumas Reconnaissance Peak quad., rock outcrop, n side of 23N72, 1/2 mi. W of Table rock, ca. 2.5 mi NE of Bechwourth. 1645 Comment
  JEPS104150  Woodsia scopulina Lowell Ahart 2003-10-17 10644 Plumas Cliffs ne of Humboldt Peak, ca 3/4 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2103 Comment
  JEPS32102  Wyethia angustifolia W. L. Jepson 1910-6-16 4143 Plumas Quincy 1036 Comment
  RSA14559  Wyethia angustifolia Daniel Cleveland 1882-7-24 s.n. Plumas Big Meadows. Comment
  CAS-BOT-BC383539  Wyethia mollis Clare B. Hardham 1970-8-9 17716 S Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC383541  Wyethia mollis John Thomas Howell 1961-6-21 36651 Plumas Greenville 1097 Comment
  CHSC55480  Wyethia mollis Ben Cunningham 1991-4-20 Plumas ca. 90 ft W of Pecks Valley road and 2 mi NE of Greenville. 1066 Comment
  CAS-BOT-BC383557  Wyethia mollis Anna Head 1921-6-16 s.n. Plumas Lake Independence, Feather River Region Comment
  CAS-BOT-BC383558  Wyethia mollis Clarence R. Quick 1966-7-7 66 -42 Plumas S. of Cottonwood Creek crossing, ca. 3 m. s. of w. end of Humbug Valley 1402 Comment
  CAS-BOT-BC383567  Wyethia mollis John Thomas Howell; Gordon H. True 1969-6-23 45815 Plumas 2 miles north of Nelson Point on road to Quincy 1310 Comment
  CAS-BOT-BC383568  Wyethia mollis John Thomas Howell; H. Keith Wagnon 1980-5-28 53696 Plumas Near Twain, East Branch North Fork Feather River 914 Comment
  CAS-BOT-BC529130  Xerophyllum tenax John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54189 Plumas 4 miles by road N. of Grays Flat on the road to Long Valley 1447 Comment
  UC844426  Zigadenus paniculatus A. A. Heller 1938-6-4 15137 Plumas n Chester 1304 Comment
  POM161351  Zigadenus venenosus var. venenosus Rimo C. Bacigalupi 1927-7-7 1638 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  SEINET7296595 Image available Zizania aquatica Malcolm A. Nobs, S. Galen Smith 1949-1 1418 Plumas Marshy area about 2 miles south of Greenville, Indian Valley Comment



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