Search Results — 2000 specimen records retrieved (1462 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY201866  Abies concolor J. B. Walker 1994-8-4 876 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET3559838 Image available Abies concolor James Montgomery 1969-7-26 81201 a Plumas 11 miles northwest of Greenville. Comment
  UC1402306  Abies magnifica R. A. Cockrell 1937-8-5 8328 Plumas Meadow Valley 1981 Comment
  UC1586419  Acer glabrum var. diffusum Vernon H. Oswald and Lowell Ahart 1991-6-18 4692 Plumas located ca 5.5 mi (air) n Greenville (Homer Lake); , n of Greenville 1920 Comment
  CAS-BOT-BC330953  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1969-6-23 45802 Plumas Sierra Nevada. 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  UC1071612  Acer glabrum var. glabrum G. T. Nordstrom 1934-7-9 197 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  RSA29665  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  RSA88570  Acer glabrum var. torreyi J. T. Howell 1951-6-28 27700 Plumas Eureka Peak 1982 Comment
  JEPS100330  Acer negundo var. californicum Dean Wm. Taylor and Barbara Ertter 2001-7-19 17835 Plumas Portola 1478 Comment
  CAS-BOT-BC28738  Achillea millefolium John Thomas Howell 1955-7-19 30798 Plumas Vinton 1505 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
  UC485804  Achillea millefolium H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET9327788  Achnatherum lemmonii Unknown 1996-7-16 13226 Plumas Plumas Comment
  CAS-BOT-BC216877  Achnatherum occidentale John Thomas Howell; Gordon H. True 1967-7-11 43336 Plumas Summit ridge of mount Hough 2194 Comment
  CAS-BOT-BC216886  Achnatherum occidentale A. A. Beetle 1941-6-28 2898 Plumas W side of Lake Almanor 1828 Comment
  UC333430  Achnatherum occidentale subsp. californicum unknown 1889-5-1 Plumas Johnson's Grade Comment
  JEPS118388  Achnatherum occidentale subsp. occidentale Lowell Ahart 2011-9-17 17673 Plumas On bare open basalt, about 200 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 180 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1645 Comment
  UC641666  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1939-7-9 2935 Plumas sw slope of Meadow View Peak Meadow View Peak 1920 Comment
  CHSC82613  Achnatherum occidentale subsp. pubescens L. P. Janeway 2001-7-3 7261 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CAS-BOT-BC218042  Achnatherum stillmanii Clarence R. Quick 1964-7-12 64 -79 Plumas W end of Humbug Valley 1402 Comment
  CHSC112549  Achnatherum thurberianum B. Castro; L. P. Janeway 2007-6-24 1642 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 150 ft below 'finger' of very open Ponderosa-Jeffrey pine forest. 1676 Comment
  CHSC32034  Acmispon americanus var. americanus L. Ahart 1977-7-26 1501 Plumas Along road to Bunker Hill Creek, ca. 0.5 mi below Bunker Hill Mine, ca. 10 mi ne of La Porte. 609 Comment
  CHSC40854  Acmispon americanus var. americanus K. R. Stern 1985-6-25 8271 Plumas East side of highway 70, vicinity of Blairsden. 1371 Comment
  CHSC880  Acmispon nevadensis D. Crummett 1937-5-14 Plumas Feather river highway below Belden. 731 Comment
  SD8183  Aconitum columbianum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10535953  Aconitum columbianum Mary Susan Taylor 1981-7-17 Taylor 4025 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
  CAS-BOT-BC391468  Aconitum columbianum subsp. columbianum Anna Head 1920-7-15 s.n. Plumas Gray Eagle Meadows, near L.C.C., Feather River Region Comment
  CHSC66706  Aconitum columbianum var. columbianum Vernon H. Oswald; Lowell Ahart 1996-8-1 8143 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. On the uphill side of the road. 1706 Comment
  CHSC54532  Actaea rubra Vernon H. Oswald 1991-8-5 4811 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. Drainage below service road at the geyser. 1706 Comment
  UC924260  Actaea rubra H. S. Reed 1941-8-3 Plumas Forest Lodge 1036 Comment
  SEINET10536070  Actaea rubra subsp. arguta Mary Susan Taylor 1981-8-20 Taylor 4228 Plumas California: T26N R9E ne1/4 of nw1/4 sec 30. Almanor SE quad. Above spring in Bullfrog Ravine, ca. 3 air mi NW of Indian Falls. Moist shaded brushy Mixed Evergreen Forest. Plumas County. 5600 ft. 1707 Comment
  RSA52870  Adenocaulon bicolor R. Weatherby 1950-7-7 1446 Plumas Gasner Creek, Quincy 1220 Comment
  CAS-BOT-BC29832  Adenocaulon bicolor George Wilson Gillett 1957-7-17 803 Plumas Lassen Volcanic National Park, upper Willow Lake Meadow, near the east inlet 1661 Comment
  SEINET5338313  Adiantum pedatum M. J. Williams, B. Larson 1983-8-12 83- 136 -1 Plumas Caribou Power Station road, 25 mi W of Quincy Comment
  CHSC52030  Agastache urticifolia L. P. Janeway 1990-7-6 3779 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mile south of Little Grizzly Creek. 1889 Comment
  SBBG29872  Agastache urticifolia E. Crum 1937-8-7 1947 Plumas 3 mi W of Lake Almanor 1524 Comment
  CAS-BOT-BC29430  Ageratina occidentalis Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC33885  Ageratina occidentalis M. S. Taylor 1981-7-21 4097 Plumas Argentine Lookout, ca. 0.5 mi SW of 26N21-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 2194 Comment
  CAS-BOT-BC29432  Ageratina occidentalis Walter Knight; Irja Knight; J. T. Howell 1966-7-27 1551 Plumas At roadside near mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC29513  Agoseris W. Harnach; N. Harnach 1990-6-13 367 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  UC579328  Agoseris X dasycarpa E. Sawyer 1935-6-27 194 Plumas 1.6 mi ne Grizzly Peak; Downieville Quad. 1767 Comment
  SEINET10938139  Agoseris glauca Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3868 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CAS-BOT-BC15456  Agoseris glauca var. glauca John Thomas Howell 1962-6-17 37701 Plumas Portola 1463 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-BC22914  Agoseris heterophylla John Thomas Howell 1963-6-4 39409 Plumas Marble Hot Springs, Sierra Valley Comment
  CHSC54390  Agoseris heterophylla Vernon Oswald 1991-6-12 4662 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  CAS-BOT-BC22915  Agoseris heterophylla M. S. Taylor 1982-7-12 4642 Plumas Mt Harkness SE quad. Jct of Hwys 36 and 89, ca. 3 mi w of Chester. 1493 Comment
  RSA95842  Agoseris heterophylla L. S. Rose 1954-5-30 54057 Plumas Johnsville 1601 Comment
  JEPS124025  Agoseris heterophylla var. heterophylla Lowell Ahart 2015-7-4 20283 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC127102  Agrostis exarata Clare B. Hardham 1970-8-8 17701 P Plumas Road to Thompson Peak Lookout. 2133 Comment
  UCD52263  Agrostis exarata Beecher Crampton 1964-8-25 7160 Plumas Lassen Volcanic National Park, Devil's Kitchen, Hot Springs Creek. 1859 Comment
  UCD52432  Agrostis exarata F. W. Embree 1934-6-11 s.n. Plumas 1 mile NE of Bucks Ranch. 1600 Comment
  CAS-BOT-BC139601  Agrostis gigantea Fred Sommers; Greg Sommers 1976-7-20 177 Plumas Sierra Nevada. Sierra Valley Marsh along road and in fields. 1524 Comment
  CAS-BOT-BC138994  Agrostis pallens John Thomas Howell 1951-6-28 27686 Plumas Eureka Peak. 2133 Comment
  CHSC117469  Agrostis scabra B. Castro; Robin Carter 2010-7-17 1824 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On S edge of creek, ca 75 ft downstream of dam outlet. 1499 Comment
  RSA59661  Agrostis scabra E. K. Balls 1950-9-9 15731 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  UC485752  Agrostis variabilis H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  RSA52912  Alisma triviale R. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles S of Crescent Mills. 1037 Comment
  CHSC33593  Allium campanulatum M. S. Taylor 1981-6-15 3905 Plumas Jct of 24N27 and 24N27 (loop around Smith Lake), ca. 2 mi n of its jct with Bucks Lake Rd, ca. 3 mi ne of Meadow Valley. 1158 Comment
  CAS-BOT-BC466470  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  CAS-BOT-BC466610  Allium campanulatum Hans Leschke 1954-7-3 s.n. Plumas 1/4 miles southeast of Boiling Springs Lake in dry soil 1859 Comment
  CAS-BOT-BC466614  Allium campanulatum John Thomas Howell 1960-7-19 35634 Plumas Wooded meadow border, Drakesbad 1828 Comment
  CDA32386  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-15 3724 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  UCD138491  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-11 8815 Plumas Prattville. Comment
  UCD141841  Allium campanulatum L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas along Highway 89, 0.5 mile past Canyon Dam toward Greenville. Comment
  SJSU9821  Allium lemmonii C. W. Sharsmith 1982-5-30 8672 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  UCD143207  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
  UC1585997  Allium parvum Barbara Ertter with Gary Schoolcraft 1989-7-3 8662 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  CHSC58182  Allium platycaule Vernon H. Oswald 1992-5-21 4947 Plumas Lassen Volcanic National Park. Warner Valley on the S side of Hot Springs Creek ca. 0.5 mi upstream from the park boundary. 1621 Comment
  RSA641885  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, along FS 28N03 betw FS 27N25 and FS26N16. Comment
  NY380653  Allocarya microcalyx A. A. Heller 1907-7-2 8680 Plumas Between Vinton and Peckwith Comment
  CHSC89303  Allophyllum G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16336 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC100321  Allophyllum integrifolium Lowell Ahart 2008-8-14 15200 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA718437  Allophyllum integrifolium L. Ahart 2006-7-9 12921 Plumas 100 yards north of the paved basalt road, about 4 (air) miles northwest of Tamarack Flat, about 6 (air) miles northwest of Little Grass Valley Reservoir. 1651 Comment
  OBI20560  Alnus incana Lewis S. Rose 1967-5-7 67066 Plumas 3 mi w of Keddie; Butterfly Valley 945 Comment
  CAS-BOT-BC171366  Alnus incana subsp. tenuifolia L. P. Janeway 1992-8-30 4302 Plumas McRae Meadow, upper end of East Nelson Creek. Plumas National Forest - Beckwourth District McRae Compartment 1889 Comment
  CHSC34282  Alnus incana subsp. tenuifolia M. S. Taylor 1981-8-28 4244 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio. 1432 Comment
  JEPS107739  Alnus incana subsp. tenuifolia Lowell Ahart, John Dittes 2005-9-19 12380 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CHSC97534  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC138118  Alopecurus aequalis var. aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located southeast of Drakesbad just south of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC137992  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas In the Northern Sierra Nevada. Quincy. 1065 Comment
  CAS-BOT-BC137997  Alopecurus geniculatus Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent. Comment
  UCD97209  Amaranthus californicus John Thomas Howell 1959-9-25 34990 Plumas Feather River, Portola. 1478 Comment
  CHSC50813  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-7-25 4401 Plumas Vinton Cemetery on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  CAS-BOT-BC142923  Amelanchier John Thomas Howell 1961-6-21 36590 Plumas Greenville - Sierra Nevada 1097 Comment
  CHSC61611  Amelanchier alnifolia Arthur C. Barrett 1915-6-14 5 Plumas Boulder Cr. Ranger Sta. Pasture. 1645 Comment
  CHSC110937  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10217 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 23N70 about 1.3 km south of junction with Road 23N18; 0.3 km east of Coldwater Creek 1.0 km south of its split into West Branch and East Branch. 1681 Comment
  CAS-BOT-BC136799  Amelanchier utahensis Alice Eastwood 1927-6-15 14603 Plumas United States Forest Reserve, trail to Long Valley Comment
  CAS-BOT-BC136801  Amelanchier utahensis Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  JEPS114607  Amelanchier utahensis Lowell Ahart 2008-9-10 15386 Plumas By large rocks, north of the camping area, about 30 yards west of the levee in Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/8 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  UCSB27203  Amelanchier utahensis Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1158 Comment
  UC471166  Amsinckia H. E. Parks 1930-7-13 Plumas on shore of Lake Tagish (Caribou); Caribou Comment
  JEPS127123  Anaphalis margaritacea Lowell Ahart 2016-8-30 21322 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CAS-BOT-BC64277  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 Plumas South Fork of Feather River about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 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
  CAS-BOT-BC391842  Anemone drummondii Alice Eastwood 1927-6-15 14604 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC391847  Anemone drummondii Gladys L. Smith 1976-6-7 4615 Plumas Curve of road just after crossing inlet creek of Little Grass Valley Res. County line of Plumas and Butte County 1889 Comment
  SEINET13945520 Image available Angelica breweri E. K. Balls 1950-1 15790 Plumas 1.5 mi along trail from Lakes Center Public Campground to Long Lake outlet. 6600 ft 2012 Comment
  SEINET10905045  Antennaria Mary Susan Taylor 1981-6-17 Taylor 3918 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 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
  RSA699253  Antennaria argentea L. Ahart, John Dittes, Josephine Guardino 2004-6-6 10996 Plumas On the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1518 Comment
  UC600424  Antennaria argentea H. F. Copeland 1920-7-17 406 Plumas Butt Mountain (between Plumas and Tehama counties) Tehama County Comment
  CAS-BOT-BC59177  Antennaria dimorpha Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  SEINET10474413  Antennaria dimorpha Mary Susan Taylor 1981-5-8 Taylor 3656 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CHSC57118  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  UC485643  Antennaria geyeri Mrs. R. M. Austin 1885-7-1 Plumas Indian Valley Comment
  JEPS22816  Antennaria luzuloides E. Sawyer 1935-6-27 204 Plumas 1.4 mi se of Crow 1706 Comment
  CDA14734  Antennaria rosea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3266 Plumas Mount Hough summit. 2194 Comment
  CAS-BOT-BC84757  Antennaria rosea subsp. rosea Anna Head 1921-7-5 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  UCD149069  Antennaria umbrinella G. Ledyard Stebbins 1982-6-13 C 203 Plumas Stony Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA59270  Anthemis cotula E. K. Balls 1950-8-31 15564 Plumas Behind Forest Service Ranger Station, Quincy, American Valley Comment
  CHSC64857  Anthoxanthum odoratum Vernon H. Oswald 1995-6-24 6910 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC35274  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1981-7-26 4113 Plumas N side of Caribou Rd, 3.7 mi ne of its jct with Hwy 70 near Belden. 853 Comment
  CHSC72456  Aphyllon purpureum L. P. Janeway 1998-6-24 5669 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  RSA600453  Apocynum cannabinum L. C. Wheeler 1959-7-15 7565 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CAS-BOT-BC397884  Aquilegia formosa Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC397880  Aquilegia formosa Alice Eastwood 1927-6-1 14505 Plumas Forest Lodge, Greenville Comment
  CDA14681  Arabis constancei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  SEINET10448413  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4478 Plumas T27N R8E nw/sw sec 36. Almanor NE quad. Open steep w facing serpentine ridge, s side of 27n92, ca. 2 air mi se of Canyon Dam. 5200 ft. 1585 Comment
  UC174584  Arabis glabra A. A. Heller and P. B. Kennedy 1907-7-11 8810 Plumas Prattville Comment
  CDA14667  Arabis holboellii var. pinetorum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3107 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET5340340  Arabis holboellii var. pinetorum R. C. Rollins, K. W. Rollins 1981-5-29 81159 Plumas 3.1 miles northwest of U.S. Hwy. 70 near the Beckwourth-Genesee Road. Comment
  SEINET3071045 Image available Arabis suffrutescens var. perstylosa L. Constance 1938-6-9 2309 Plumas Above the Middle Fork of the Feather River, 7.3 miles southweast of Quincy. 1220 Comment
  UC170941  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CHSC45940  Arceuthobium abietinum Lowell Ahart 1974-8-3 584 Plumas Near the headwaters of Hopkins Creek, near Mount Etna, south-west of Blue Nose Mountain, about 10 air miles north-east of La Porte. 1981 Comment
  CHSC92189  Arceuthobium abietinum Lowell Ahart; John Dittes 2005-9-19 12412 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  SEINET2471358  Arceuthobium abietinum R. L. Mathiasen 2007-9-22 2007 -59 Plumas 1.6 km E. of Grizzly Summit; W. of Bucks Lake 1700 Comment
  SEINET2471363  Arceuthobium abietinum R. L. Mathiasen 2007-9-22 2007 -60 Plumas Ca. 4.8 km W. of Meadow Valley on high rd. to Bucks Lake 1470 Comment
  UC1408974  Arctostaphylos mewukka R. F. Thorne and C. W. Tilforth 1969-9-6 39222 Plumas on Gold Lake Rd. ca 2.5 mi s Graeagle 1645 Comment
  CAS-BOT-BC38489  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51337 Plumas Injun Jim Campground, Feather River Canyon. 609 Comment
  RSA121333  Arctostaphylos nevadensis D. Axelrod 1934-6-8 16 Plumas La Parte. 1524 Comment
  RSA60027  Arctostaphylos nevadensis E. K. Balls 1950-9-1 15591 Plumas Long Lake, ridge above east shore along trail going south of lake. 2134 Comment
  UCD52664  Arctostaphylos nevadensis J. I. Mallory 1970-8-3 382 Plumas 1 1/2 miles north of North Valley and 3 miles northwest of Rock Creek Power House. 1463 Comment
  RSA122004  Arctostaphylos patula C. G. Albertus 1935-7-22 222 Plumas 3 3/4 miles S.W. of Lovejoys, Downieville. 1768 Comment
  UCD53310  Arctostaphylos patula John Thomas Howell 1976-4-2 51579 Plumas Spring Garden. 1219 Comment
  UCSB15999  Arctostaphylos patula Breedlove, Dennis 1962-6-12 Plumas On bank of Jackson Creek, upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  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
  SEINET11987210  Arctostaphylos patula subsp. platyphylla J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4108 Plumas 3 mi N of Greenville, CA 89 1128 Comment
  UCD51940  Arctostaphylos truei John Thomas Howell 1976-4-2 51572 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  UCD52203  Arctostaphylos viscida John Thomas Howell; Gordon H. True 1967-5-8 42190 Plumas Near the spring in the Butterfly Botanical Area. Plumas County. 1097 Comment
  CAS-BOT-BC47030  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1906-10-1 s.n. Plumas Quincy. Comment
  CHSC53239  Arenaria aculeata L. P. Janeway 1989-6-16 3328 Plumas Plumas National Forest. Northeast slope of Crocker Mtn facing the SE end of Red Clover Valley. 1828 Comment
  CHSC91926  Arenaria aculeata L. P. Janeway 2005-7-31 8509 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains 0.1 km east of Road 23N67; about 5.8 km south-southwest of Adams Peak. 1875 Comment
  CHSC91931  Arenaria aculeata L. P. Janeway 2005-7-31 8510 Plumas Northern High Sierra Nevada. Diamond Mountains, top of spur ridge 0.3 km southwest of Crystal Peak. 2308 Comment
  CHSC91932  Arenaria aculeata L. P. Janeway 2005-7-30 8503 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. 1884 Comment
  JEPS26739  Arenaria congesta var. congesta P. C. Hutchison 1961-6-9 2135 Plumas 6 mi w Quincy (on the road to Buck's Lake. near Spanish Ranch) Comment
  CAS-BOT-BC82218  Arnica chamissonis Malcom A. Nobs; S. Galen Smith 1949-8-18 1396 Plumas Last Chance Creek, ca. 2 miles north of Lake Almanor, near Chester Comment
  RSA726445  Arnica chamissonis subsp. foliosa L. Ahart, John Dittes 2007-6-17 14199 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  CHSC69987  Arnica cordifolia L. P. Janeway 1997-5-7 5108 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. 1225 Comment
  CHSC70786  Arnica dealbata B. Castro; L. Gehrung 1995-7-14 584 Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along edges of USFS Rd 22N29. 1493 Comment
  CAS-BOT-BC295859  Arnica dealbata Alice Eastwood 1927-6-1 14585 Plumas United States Forest Reserve. On trail to Long Valley Comment
  CAS-BOT-BC82499  Arnica discoidea John Thomas Howell 1976-7-15 51865 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  UC1584011  Arnica discoidea G. Schoolcraft 1990-5-9 2026 Plumas about 1 mi w Crescent Mills 1463 Comment
  CHSC79445  Arnica nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3141 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam. 1633 Comment
  CHSC59669  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Plumas National Forest. Flats on the south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1487 Comment
  CAS-BOT-BC90412  Artemisia douglasiana John Thomas Howell 1959-9-21 34772 Plumas N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC90410  Artemisia douglasiana Albert Gould; J. D. Schoelier 1928-7-18 363 Plumas Plumas National Forest, Crocker Ridge-Grizzly cut off 1950 Comment
  SD51230  Artemisia douglasiana Darley F. Howe 1960-9-21 2990 Plumas 6 miles north of Greenville on Hwy 89. Comment
  RSA716597  Artemisia tridentata subsp. tridentata L. Ahart, John Dittes 2005-9-19 12414 Plumas About 1.5 miles southeast of Kettle Rock, about 1.5 miles southeast of Taylor Lake 2008 Comment
  UC1119453  Artemisia tridentata subsp. tridentata N. French 1934-11-16 558 Plumas 6 mi s Beckwith; Sierraville Quadrangle Comment
  UC580644  Artemisia tridentata subsp. tridentata E. Nourse 1934-9-13 38 Plumas 2 mi nw Onion Valley; Downieville Quadrangle Comment
  CAS-BOT-BC99276  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 Plumas Crocker Mtn. quad. - along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 1752 Comment
  JEPS117308  Artemisia tridentata subsp. vaseyana Lowell Ahart 2010-10-21 17308 Plumas About 10 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  JEPS37054  Artemisia tridentata subsp. vaseyana W. L. Jepson 1939-8-16 19425 Plumas Dixie Valley 1767 Comment
  CAS-BOT-BC110541  Asarum John Thomas Howell 1977-6-21 52380 Plumas Sierra Nevada. Seneca. 1097 Comment
  OBI83048  Asclepias fascicularis Robert L. Johnson, Mikel R. Stevens 2015-7-11 3957 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls. Comment
  JEPS6283  Asclepias speciosa W. L. Jepson 1939-8-4 19340 Plumas Rock Creek; Meadow Valley 1219 Comment
  JEPS95308  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  UC1242060  Aspidotis densa Don Branscomb 1958-7-19 Plumas nw Lake Basin Recreation Area; Eureka Peak area Comment
  CAS-BOT-BC97461  Aster Clare B. Hardham 1986-8-9 30406 Plumas shores of Snake Lake, Meadow Valley - Virgilia Road Comment
  CAS-BOT-BC97469  Aster M. S. Taylor 1981-8-19 4218 Plumas Blue Nose Mt. quad. S side of 23N10, 0.2 mi w of Bell Creek, ca 1.5 mi w of Sloat 1371 Comment
  CAS-BOT-BC97471  Aster James T. Vale 1980-9-19 s.n. Plumas Bucks Lake Comment
  SEINET10971206  Aster chilensis var. medius Mary Susan Taylor 1982-8-27 Taylor 5049 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  RSA754866  Aster eatonii L. Ahart, John Dittes 2009-8-28 16353 Plumas N side of Forest Service Road 27N98, headwater of Clear Creek, about 2 air miles N of Butt Valley Reservoir Dam, about 3 air miles SW of Lake Almanor Reservoir Dam. 1477 Comment
  CDA42089  Aster elatus G. F. Hrusa, J. Dinsdale 1989-6-27 7218 Plumas Sierra Nevada; Butterfly Botanical Area, Butterfly Valley approx. 10 miles NW of Quincy. Plumas National Forest. Comment
  CHSC45637  Aster elatus Vernon H. Oswald 1986-8-7 2273 Plumas Old Hauns Rd. to Homer Lake trailhead, 2.2 mi N of Hwy 89 and slightly east of the road to Hauns Meadows. 1463 Comment
  RSA239258  Aster oregonensis R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42315 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  CDA13862  Aster radulinus G. F. Hrusa, T. D. Wilfred 1996-8-2 13456 Plumas Sierra Nevada; Terminus of USFS 23N22D. Comment
  CHSC55490  Astragalus bolanderi L. P. Janeway 1984-7-15 922 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  JEPS102247  Astragalus bolanderi L. P. Janeway 2001-6-22 7376 Plumas Northern High Sierra Nevada. Ridge saddle 0.6 km west-southwest of Frenchman Hill, along road 23N85Y. 1756 Comment
  SEINET5324189  Astragalus gibbsii A. A. Heller, Kennedy P. B. 1907-7-16 8868 Plumas Grade between Genesse valley and summit Comment
  CHSC48055  Astragalus lentiformis L. P. Janeway 1989-6-9 3284 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  RSA39363  Astragalus lentiformis P. A. Munz 1947-5-16 11817 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC192851  Astragalus pulsiferae Philip A. Munz 1947-5-16 11817 Plumas 5 miles N. of Chilcoot 1524 Comment
  UC82731  Astragalus pulsiferae var. pulsiferae Mrs. R. M. Austin July 1876-July 1891 34 Plumas Genessee Valley Comment
  CHSC41195  Astragalus purshii var. purshii J. D. Jokerst 1984-5-13 2007 Plumas East end of Genesee Valley, canyon of Indian Cr. between creek and Indian Cr. Rd. 1249 Comment
  CAS-BOT-BC193046  Astragalus purshii var. tinctus Clare B. Hardham 1961-6-16 7445 A Plumas Diamond Peak 2255 Comment
  CHSC88997  Astragalus webberi L. Hanson 1987-5-26 302 Plumas Plumas National Forest. North side Hwy. 89, near Moccasin. 1188 Comment
  JEPS109612  Astragalus webberi Dean W. Taylor 2002-6-20 18166 Plumas China Grade ca. 1 road mile S of Taylorsville 1219 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
  CHSC72449  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  OBI20945  Asyneuma prenanthoides Lewis S. Rose 1966-7-26 66049 Plumas Butterfly Valley; 3 mi W of Keddie 1067 Comment
  UC170623  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 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-BC66093  Athyrium filix-femina var. cyclosorum John Thomas Howell 1926-7-27 2144 Plumas Near Prattville 1463 Comment
  CHSC100452  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte. 1593 Comment
  SD19380  Athyrium filix-femina var. cyclosorum Unknown 1882-7-25 Plumas Big Meadows Comment
  CAS-BOT-BC66089  Athyrium filix-femina var. cyclosorum George W. Gillett 1957-7-19 851 Plumas 1 1/2 miles above the Devils Kitchen, above Sifford Lakes trail 2057 Comment
  CAS-BOT-BC66097  Athyrium filix-femina var. cyclosorum David D. Keck 1932-7-3 1693 Plumas just west of town, Quincy, in the Northern Sierra Nevada 1066 Comment
  SEINET5338586  Athyrium filix-femina var. cyclosorum M. J. Williams 1967-8-20 1195 Plumas Above Johnsville, near Rene's Falls 1829 Comment
  CAS-BOT-BC17543  Athysanus pusillus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 1989 Plumas Butterfly Botanical Area and Vicinity. Valley near barn. 1036 Comment
  CAS-BOT-BC17547  Athysanus pusillus John Thomas Howell 1976-4-2 51572 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  JEPS89882  Azolla microphylla Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13220 Plumas at bridge of Hwy. 207 ca. 1.3 mi. w. <Cresent> Mills (Indian Creek); Freather R. Watershed, Indian Creek 1112 Comment
  CHSC283  Balsamorhiza deltoidea V. Holt 1937-5-14 Plumas Twain. 914 Comment
  POM222846  Balsamorhiza hookeri M. Canby 1929-5-12 160 Plumas 15 miles W of Portola Comment
  CAS-BOT-BC100097  Balsamorhiza sagittata 1918-5-25 7064 Plumas Portola Comment
  CHSC37698  Barbarea orthoceras M. S. Taylor 1981-5-19 3675 Plumas E side of Antelope Lake, in Pioneer Cabin Meadow, ca. 2 air mi ne of Taylorsville. 1536 Comment
  CHSC97518  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-17 14174 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS113937  Bassia hyssopifolia W. and N. Harnach 2000-8-23 999 Plumas Sierra Valley 1 mile west of the Steel Bridge on Marble Lane. Comment
  CAS-BOT-BC145810  Beckmannia syzigachne David D. Keck 1932-7-3 1688 Plumas Northern Sierra Nevada. Quincy. 1065 Comment
  CAS-BOT-BC145814  Beckmannia syzigachne John Thomas Howell 1961-9-25 36938 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  UC1028651  Beckmannia syzigachne Robert J. Weatherby 1950-7-26 1502 Plumas marshy creek border 2 mi s Crescent Mills; Indian Creek 1036 Comment
  UCD56785  Beckmannia syzigachne Collector Unknown 1874-6-1 481 Plumas Sierra Valley. Comment
  CHSC91333  Berberis aquifolium var. aquifolium Lowell Ahart; John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 646 Comment
  CHSC72296  Bidens frondosa L. P. Janeway 1998-9-10 6275 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  UC1730224  Bidens frondosa L. P. Janeway 1998-9-10 6275 Plumas about 5 mi NW of Quincy (Snake Lake, along NW shore) 1205 Comment
  CAS-BOT-BC413056  Bistorta bistortoides Elmer I. Applegate 1929-6-21 5812 Plumas Meadow at Drakesbad, head of Warner Valley, Mount Lassen region Comment
  CAS-BOT-BC128019  Blepharipappus scaber L. P. Janeway 1993-9-23 4601 Plumas Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1498 Comment
  CAS-BOT-BC16873  Boechera John Thomas Howell 1976-7-16 s.n. Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC17219  Boechera G. L. Smith 1959-6-20 1263 Plumas Gold Lake to Feather River highway at Plumas-Sierra County line. 1828 Comment
  RSA0125999  Boechera Elmer I. Applegate 1929-6-18 5763 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt. Lassen region. 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
  CAS-BOT-BC16025  Boechera breweri subsp. breweri John Thomas Howell 1967-6-23 42735 Plumas Sierra Nevada. Lewisia Rock 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CHSC118810  Boechera breweri subsp. shastaensis Chelsea Morgan 2016-6-16 2016 -004 Plumas North facing ridge 1.25 mi. northeast of Mount Jura, north and downslope of Forest Road 26N42 (UTM 689092 E, 4438952 N, NAD 83 Zone 10 North; Elevation 4931 ft.) 1502 Comment
  CHSC34003  Boechera constancei M. S. Taylor; M. Foster 1981-6-15 3893 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29 (rd to Deanes Valley), ca. 2 mi ne of Meadow Valley. 1158 Comment
  UCSB23766  Boechera lemmonii Hardham, Clare 1961-6-16 Plumas Diamond Peak Comment
  CHSC24680  Boechera pauciflora Keith Lickey 1976-4-17 70 Plumas Ca 20 m s of Highway 70 at se entrance to Grizzly Dome Tunnel; ne side of Grizzly Creek. 914 Comment
  CHSC63451  Boechera pinetorum Lowell Ahart 1994-7-22 7494 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC87831  Boechera pinetorum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10995 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
  CHSC21025  Boechera platysperma F. T. Griggs; A. Pass 1975-7-10 139 Plumas Buck's Lake. Comment
  CAS-BOT-BC14724  Boechera repanda Lowell Ahart 1975-7-20 s.n. Plumas Sierra Nevada. Near Bunker Hill Mine. 1828 Comment
  CAS-BOT-BC14725  Boechera repanda Lowell Ahart 1979-7-15 s.n. Plumas 0.25 mile east of Bunker Hill Creek. 1800 Comment
  CHSC36677  Boechera retrofracta R. E. Preston 1982-4-29 272 Plumas Ca. 30 yds e of Chips Creek, ca. 100 yds n of Hwy 70. 655 Comment
  UCD147799  Boechera retrofracta Allyson Ayalon; Lucie Jerabkova 2012-8-1 152 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC25580  Boechera retrofracta Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas Near Meadow Valley Creek Road about 0.4 mile from M.V. Inn. Comment
  CAS-BOT-BC25582  Boechera retrofracta Mrs. H. C. Cantelow 1941-5-18 3625 Plumas At Johnsville west of Mohawk. Comment
  CAS-BOT-BC25725  Boechera sparsiflora Lowell Ahart 1977-6-21 s.n. Plumas Sierra Nevada. At Turkey Town, ca. 14 miles northeast of La Porte. 1800 Comment
  CAS-BOT-BC25889  Boechera subpinnatifida Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth. 1524 Comment
  CHSC88964  Boechera suffrutescens L. Hanson 1988-7-26 328 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  CAS-BOT-BC25927  Boechera suffrutescens Lowell Ahart 1986-7-8 5363 Plumas Sierra Nevada. South of where the road crosses Onion Valley Creek, ca. 1 mile northwest of Pilot Peak. 1920 Comment
  CAS-BOT-BC478471  Boisduvalia John Thomas Howell 1961-9-25 36946 Plumas Feather River bed, Portola 1478 Comment
  JEPS125797  Boisduvalia campestris William Harnach 2000-8-2 962 Plumas 1.5 miles South of Highway 70 on A-23, 0.25 miles East of A-23. South of Beckwourth, CA (Sierra Valley Farms). Comment
  SEINET3149566  Boisduvalia stricta E. K. Balls 1950-9-14 15807 Plumas 6 miles NW of Chester, N Fork Feather River 1402 Comment
  SD9250  Botrychium multifidum Mrs. R. M. Austin 1876-1 Plumas Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  JEPS114952  Botrychium simplex var. compositum Lowell Ahart 2008-7-16 15106 Plumas Open basalt area in forest, in a small meadow, about 220 yards southeast of the intersection to Lumpkin Ridge Road and the road to Tamarack Flat, about one mile northwest of the Dam (Little Grass Valley Reservoir), about 4 miles (air) northwest of La Port 1744 Comment
  JEPS99046  Botrychium simplex var. compositum Lowell Ahart 2002-7-2 9836 Plumas 1 mi SE of Tamarack Flat (5 air mi NW of La Porte); Lumpkin Ridge Road 1701 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
  CAS-BOT-BC106226  Brickellia californica W. I. Follett; E. B. Follett 1962-8-7 s.n. Plumas Sierra Nevada - East Branch of North Fork Feather River, 0.3 mile below Rush Creek Comment
  SEINET10475010  Brickellia californica Mary Susan Taylor 1981-9-14 Taylor 4278 Plumas California: Plumas: T25N R9E nw1/4 of ne1/4 sec 9. Greenville SW quad. W side of Hwy 89, ca. 1 air mi N of Hwy 70, ca. 10 air mi W of Quincy (across from Travertine Quarry). 3000 ft. 914 Comment
  CHSC115800  Brickellia greenei Lowell Ahart; John Deurloo 2015-8-25 20530 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  SEINET3884981  Brodiaea multiflora Lewis S. Rose 1963-6-5 63130 Plumas 3 mi n of Quincy.; 0 1097 Comment
  SEINET13710270  Bromus carinatus Lowell William Ahart, Lowell William Ahart 2001-1 8999 Plumas E of Small Branch of Butt Creek, 2.5 Air Mi. N of Humboldt Summit (T27N, R5E, sec 20, NW 1/4) 6000 Ft. 1829 Comment
  CAS-BOT-BC149313  Bromus carinatus var. carinatus Clare B. Hardham 1978-8-11 21763 Plumas About 5 miles southeast of Thompson Peak. Comment
  CAS-BOT-BC149315  Bromus carinatus var. carinatus John Thomas Howell 1961-9-23 36899 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  JEPS28304  Bromus carinatus var. carinatus George W. Gillett 1957-7-17 794 Plumas (flowing) from Little Willow Lake into Willow Lake (Lassen Volcanic National Park); Lassen Volcanic National Park 1767 Comment
  UC1131036  Bromus carinatus var. carinatus E. Sawyer 1935-5-28 43 Plumas 3 1/2 mi n of Hawks 1645 Comment
  UC1155623  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1947-5-16 H 10 Plumas Meadow View Ranger Station 2225 Comment
  CHSC100311  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC108086  Bromus ciliatus Lowell Ahart 2011-9-17 17658 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS114815  Bromus ciliatus Lowell Ahart 2008-8-13 15184 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CAS-BOT-BC155928  Bromus commutatus John Thomas Howell 1973-7-10 49754 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  OBI3369  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy 1036 Comment
  CAS-BOT-BC155052  Bromus hordeaceus John Thomas Howell 1961-6-21 36666 A Plumas Sierra Nevada. Greenville. 1097 Comment
  CAS-BOT-BC155057  Bromus hordeaceus Mary S. Clemens 1920-6-10 s.n. Plumas Greenville. Comment
  CAS-BOT-BC155311  Bromus inermis Mary S. Clemens 1920-6-14 3 Plumas Greenville. Comment
  CAS-BOT-BC155346  Bromus japonicus John Thomas Howell 1977-6-24 52417 Plumas Sierra Nevada. Near confluence of Spanish and Indian Creeks. 929 Comment
  UC1131323  Bromus marginatus D. Axelrod 1934-6-8 15 Plumas Plumas National Forest, La Porte La Porte; Plumas National Forest, La Porte 1524 Comment
  CAS-BOT-BC162143  Bromus orcuttianus John Thomas Howell 1926-7-20 2088 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC162145  Bromus orcuttianus Joseph A. Ewan 1934-6-25 8227 Plumas Gold Lake Road above Deuters (Blairsden). 1676 Comment
  CAS-BOT-BC162153  Bromus orcuttianus C. R. Quick 1942-7-31 42 -46 Plumas Near Quincy. Comment
  CAS-BOT-BC162155  Bromus orcuttianus John Thomas Howell 1973-7-9 49722 Plumas Sierra Nevada. Round Valley. 1371 Comment
  CHSC88192  Bromus orcuttianus Lowell Ahart 2004-7-27 11319 Plumas On the west side of the dirt road (Forest Road 10), about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northeast of La Porte. 1711 Comment
  CHSC91915  Bromus orcuttianus Lowell Ahart; Josephine Guardino 2005-8-9 12268 Plumas Meadow near forest edge, north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CAS-BOT-BC161358  Bromus tectorum Walter Knight; Irja Knight 1967-5-22 1889 Plumas Butterfly Botanical Area and Vicinity. Rubble Gap. 1127 Comment
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC185649  Bromus tectorum John Thomas Howell 1977-6-20 52411 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC438480  Calandrinia ciliata W. Harnach; N. Harnach 1991-6-21 555 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23. 1487 Comment
  CAS-BOT-BC438484  Calandrinia ciliata John Thomas Howell; H. Keith Wagnon 1980-5-27 53631 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CHSC4454  Calocedrus decurrens C. Glascock 1965-2-6 214 Plumas 6.5 mi. E of Rich Bar turnoff on Hwy 70. Ca. 100 yds W of abandoned service station and cabin. Comment
  JEPS115161  Calocedrus decurrens Lowell Ahart, John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  RSA59108  Calochortus E. K. Balls 1950-8-30 15512 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  SEINET10469585  Calochortus coeruleus Mary Susan Taylor 1982-6-2 Taylor 4598 Plumas T23N R12E sw/ne sec 17. Johnsville quad. ALong 23N11, on loop through Cogswell Ravine, 3.2 mi ne of Jackson Cr Cmpgr, ca. 5 air mi n of Mohawk. 5700 ft. 1737 Comment
  UC625475  Calochortus coeruleus Frank W. Gould 1938-6-26 456 Plumas 3 mi n Greenville 1127 Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CHSC44095  Calochortus leichtlinii Lowell Ahart 1979-7-18 1970 Plumas Near the Quincy La Porte Road, about 1/8 mile south of Onion Valley, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1920 Comment
  UC1586106  Calochortus leichtlinii Barbara Ertter with Gary Schoolcraft 1989-7-3 8660 Plumas ca. 8 airmiles s. Susanville (ridge between Red Rock & Diamond Mt.) 2225 Comment
  CAS-BOT-BC491827  Calochortus leichtlinii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54358 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  UCSB16089  Calochortus leichtlinii Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89, 2 miles south of Graeagle, Sierra Nevada 1402 Comment
  CAS-BOT-BC483479  Calochortus minimus A. A. Heller 1915-7-7 12066 Plumas Near the summit of Soapstone Ridge, 12 miles west of Bucks in the Sierra Nevada 1676 Comment
  CAS-BOT-BC483481  Calochortus minimus E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CHSC49645  Calochortus nudus Vernon Oswald 1984-7-12 1572 Plumas S side of Lotts Lake. 1975 Comment
  CHSC82360  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  CHSC97436  Calochortus nudus Robert Fischer 2006-7-2 1037 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  RSA739737  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada, S facing slope near top of Eastern end of Red Mtn, near Road 23N63 1.1km NW of road 18. 1884 Comment
  SD6518  Calochortus nuttallii Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CDA23941  Calyptridium monospermum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .301 Plumas Above Little Grass Lake on West side. Comment
  CHSC40614  Calyptridium umbellatum 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
  SEINET10572714  Calyptridium umbellatum Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5182 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  UC1794966  Calystegia R. K. Brummitt 1998-5-17 19887 Plumas Route 89 near Indian Falls, 4 km from Route 70 junction, opposite Dawn Community Centre. 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
  SBBG5754  Calystegia malacophylla subsp. malacophylla H. and M. Dearing 1938-7-2 2266 Plumas Feather River Cyn below Paxton 792 Comment
  SD6517  Camassia Mrs. Robert Austin 1879-1 Plumas Big Meadows. Comment
  RSA369199  Camassia quamash subsp. breviflora George Willet 1935-6-4 s.n. Plumas Vinton Comment
  RSA39722  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-16 11814 Plumas 5 miles north of Chilcoot 1524 Comment
  SEINET8472080  Camassia quamash subsp. breviflora H. R. Holbo 1961-5-17 s.n. Plumas Vinton. 1524 Comment
  RSA641466  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  POM181277  Camissonia andina J. G. Lemmon 1879-05 s.n. Plumas Warm Spring Valley Comment
  RSA39782  Camissonia tanacetifolia subsp. quadriperforata P. A. Munz 1947-5-16 11823 Plumas 8 miles north of Chilcoot. 1524 Comment
  SEINET10462996  Campanula prenanthoides Austin AUSTIN s.n. Plumas Badger Hill Comment
  SEINET10462997  Campanula prenanthoides Donald E. Brink, L. M. Mayer 1975-7-3 Brink s.n. Plumas Buck's Lake Forest Service Surve T24N R6E Sec. 26 Comment
  CAS-BOT-BC37240  Cardamine breweri John Thomas Howell 1960-7-21 35855 Plumas Lassen Volcanic National Park. Northwest of Willow Lake. 1676 Comment
  CHSC91796  Cardamine nuttallii G. Douglas Barbe; T. C. Fuller 1982-7-16 3754 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beadsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  UC1736742  Cardamine pachystigma var. pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  JEPS115915  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16111 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  SEINET4292244 Image available Carex abrupta L. Ahart, Dittes, J; Guardino, J; Schlising, R 2004-1 11172 Plumas 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)ortheast of Quincy. Red Fir Forest. Comment
  CAS-BOT-BC17928  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CHSC108473  Carex angustata Lowell Ahart 2011-9-20 17694 -A Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1593 Comment
  CHSC115511  Carex angustata Lowell Ahart; John Dittes, Josephina Guardino, Steve Green 2015-7-31 20423 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Service Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  CHSC55551  Carex angustata L. P. Janeway 1990-7-3 3760 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 2/4 mi south of Little Grizzly Creek. 1905 Comment
  UC1133353  Carex angustata E. Sawyer 1935-6-27 190 Plumas 1.6 mi ene Grizzly Pk.; Plumas National Forest, Downieville Quadrangle Comment
  UC942946  Carex angustata Lewis S. Rose 1951-6-28 51028 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CHSC115918  Carex angustata Sara M. Taylor; Scott Batiuk 2012-7-19 48 Plumas Plumas National Forest, Pacific Southwest Region, Forest Service. Rocky Knoll West. Follow Rd. 24N33 to the Mill Creek Trailhead, near where Right Hand Salt Creek meets Mill Creek. Follow Mill Creek Trail north for ~350 m then bushwhack ~800 m to fen/meadow. UTM zone 10, 4422869N, 655364E. 1831 Comment
  UCD140095  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CHSC53560  Carex athrostachya Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  POM254195  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Vallley, west of Beckwith Buttes. 1524 Comment
  SEINET11634876  Carex athrostachya Unknown 1985-1 5099 Plumas ca 4.25 mi NE of La Port, Little Grass Valley Lake, where South Fork of the Feather River flows in 1585 Comment
  CAS-BOT-BC19133  Carex aurea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1669 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  CHSC43004  Carex aurea L. P. Janeway; B. Castro 1987-7-17 2487 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  CAS-BOT-BC19094  Carex aurea George Wilson Gillett 1957-7-19 847 Plumas lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  JEPS115936  Carex bolanderi Lowell Ahart, John Dittes 2009-7-13 16031 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CDA17780  Carex brainerdii G. D. Barbe, T. C. Fuller 1982-6-15 3694 Plumas Plumas National Forest; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CHSC47055  Carex brainerdii L. P. Janeway 1989-6-12 3290 Plumas Plumas National Forest. Forest on S side of Red Clover Valley. 1706 Comment
  JEPS106135  Carex brainerdii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  JEPS118661  Carex brainerdii L. P. Janeway 2010-7-3 10076 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine, ±overlooking Middle Fork Feather River from the North. Comment
  JEPS122286  Carex canescens subsp. canescens Lowell Ahart 2014-8-24 19733 Plumas Along a small stream that flows into the South Fork of the Feather River, on the west side of the stream, 10 yards west of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  JEPS87736  Carex deweyana subsp. leptopoda Lowell Ahart 1994-6-17 7359 Plumas about 1 mi n Schwartz Meadow (about 1 mi e Sly Creek Reservoir, on the e side of Sly Creek); Sly Creek 1097 Comment
  CHSC110288  Carex douglasii B. Castro; L. P. Janeway 2006-6-3 1572 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  CAS-BOT-BC65491  Carex echinata subsp. echinata L. P. Janeway 1995-7-23 4872 Plumas Meadow at head of western branch of Stag Creek; along road 22N80Y; 0.1 mi N of road 22N72; about 0.3 mi SSE of Table Mtn 1755 Comment
  RSA169429  Carex echinata subsp. echinata L. S. Rose 1963-6-3 63101 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  RSA286272  Carex echinata subsp. echinata Robert F. Thorne 1974-7-30 45008 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  UCR115312  Carex feta G. D. Barbe, T. C. Fuller 1982-6-14 3689 Plumas W end of Quincy, Hwy 70 & Lawrence St. at the Chevron station. 1037 Comment
  JEPS101244  Carex fracta Dean W. Taylor 2000-8-8 17557 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  CHSC41153  Carex geyeri L. P. Janeway; Randy Harrison 1985-5-22 1200 Plumas Plumas National Forest. Near and north of Middle Fork Feather River, 2.4 mi w of Lee Summit on F.S. Rd 23N22. 1478 Comment
  JEPS119927  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas About 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  JEPS107612  Carex heteroneura var. heteroneura Lowell Ahart, Josephine Guardino 2005-8-10 12320 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CHSC74289  Carex hoodii B. Castro; L. Gehrung 1998-9-23 844 Plumas Ca 3 air mi NE of Little Grass Valley Reservoir, on ridge system above S. Fork Feather River, on W side of USFS Rd 22N60 ca 1 mi S of the Pacific Crest Trail crossing. In moist opening just N of jcn of spur road 1719 Comment
  CAS-BOT-BC7552  Carex infirminervia John Thomas Howell 1951-6-27 27589 Plumas McRae Meadow 1981 Comment
  CHSC63291  Carex integra Lowell Ahart 1994-6-15 7343 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  JEPS107624  Carex integra Lowell Ahart, Josephine Guardino 2005-8-9 12271 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  SEINET3902352  Carex integra Lewis S. Rose 1951-6-28 51030 Plumas Mcrae Meadows, 8 mi. sw of Johnsville.; 0 1951 Comment
  POM81298  Carex interior Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SEINET11160329 Image available Carex jonesii Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10538 Plumas ca. 14 mi WSW of village of Almanor, along tributary of Butt Creek, W of Humboldt road (county route 308) 1747 Comment
  CHSC116374  Carex jonesii Sara M. Taylor; Scott Batiuk 2012-7-31 49 Plumas Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM Zone 10, 4428806 N, 660224 E. 1610 Comment
  UCD140415  Carex jonesii Dean W. Taylor 1976-7-7 6037 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  JEPS124411  Carex laeviculmis Lowell Ahart 2015-7-4 20276 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
  CAS-BOT-BC31158  Carex lemmonii Thomas Griggs 1975-6-1 318 Plumas Bucks Lake area. Comment
  CHSC105838  Carex lemmonii Lowell Ahart 2010-7-27 16927 Plumas Seep on the west side of Forest Road 22N68, about 1/4 mile north of the road gate, about 1/2 mile north of where the road crosses the South Fork of the Feather River, about one mile north of Little Grass Valley Reservoir. 1571 Comment
  CHSC43021  Carex lemmonii L. P. Janeway 1984-7-13 904 Plumas SW of Bucks Lake, near Grizzly Cr Campground. 1584 Comment
  CHSC65598  Carex lemmonii L. P. Janeway 1995-7-23 4869 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Road 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  JEPS100356  Carex lemmonii Dean W. Taylor 2001-6-6 17782 Plumas headwaters Onion Creek about 0.25 air miles SW of American House, along Forest Road 21N01Y 1432 Comment
  JEPS110425  Carex lemmonii Lowell Ahart 2006-7-9 12914 Plumas Small bog or wet meadow, below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir 1648 Comment
  CDA14003  Carex lenticularis G. F. Hrusa, T. D. Wilfred 1997-6-26 13920 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  SEINET13709890  Carex lenticularis Lowell William Ahart, Lowell William Ahart 2003-1 10431 Plumas 5 Mi. NW of La Porte (39 Deg 44'34.8"N, 121 Deg 02'20.8"W) 5679 Ft. 1731 Comment
  SEINET3450854  Carex lenticularis var. impressa Unknown 2003-7-18 10433 Plumas La Porte, La Porte, about 5 air miles northwest, about 2 air miles northwest of Little Grass Valley Reservoir dam, about 1 mile southeast of Tamarack Flat, about 0.75 miles west of Lumpkin Ridge Road, east side of the road 1750 Comment
  SJSU13951  Carex lenticularis var. impressa N. A. Hopkins 1985-8-27 1311 Plumas Grass Lake 1786 Comment
  RSA71302  Carex lenticularis var. lipocarpa L. S. Rose 1951-6-28 51028 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  UC1594689  Carex lenticularis var. lipocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5040 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), w end of lake, just w of Lakes Basin Campground); Grass Lake 1926 Comment
  SEINET11634877  Carex lenticularis var. lipocarpa Unknown 1985-1 5101 Plumas about 4.5 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows 1585 Comment
  CHSC58201  Carex limosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5025 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly Camps. 1597 Comment
  CHSC110372  Carex luzulina Lowell Ahart 2012-9-5 18445 Plumas Along the south side of the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  CHSC79085  Carex mariposana L. P. Janeway 2000-6-24 6836 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. 2201 Comment
  CHSC110986  Carex mendocinensis Lowell Ahart 2012-7-1 18251 Plumas Along the creek, on both sides of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  JEPS120145  Carex mendocinensis Lowell Ahart 2012-7-1 18251 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CAS-BOT-BC32031  Carex multicaulis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville Comment
  CAS-BOT-BC320475  Carex multicaulis Peter F. Zika 2012-5-15 25866 Plumas Above Route 70, 3 air km NW of Grizzly Dome, canyon of North Fork Feather River, northern Sierra Nevada Highlands (n SNH) 520 Comment
  UCD140657  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  CHSC109841  Carex multicostata L. P. Janeway 2012-8-8 11049 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1745 Comment
  CAS-BOT-BC32231  Carex multicostata L. P. Janeway; Jannice Cutler 1992-5-27 4205 Plumas Crocker Mt quad. S side of Dotta Canyon 2.2 mi SE of Beckwourth-Genesee Road. 1706 Comment
  CHSC105963  Carex nebrascensis Lowell Ahart 2010-9-9 17144 Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS113655  Carex nebrascensis Lowell Ahart, John Dittes 2007-6-16 14133 Plumas Bottom of a small stream, meadow, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC115916  Carex nebrascensis Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-17 402 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423906 N, 657187E. 2030 Comment
  CHSC116389  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-12 70 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
  CHSC116390  Carex nebrascensis Sara M. Taylor; Scott Batiuk 2012-9-13 76 Plumas Plumas National Forest. Line Springs. From Silver Lake parking area, follow trail up Granite Gap to Pacific Crest Trail. Follow trail north approx. 1.5 km, then bushwack west for approximately 0.5 km. UTM zone 10, 4423596 N, 657038E. 2028 Comment
  JEPS120157  Carex nervina Lowell Ahart 2012-9-5 18436 Plumas About 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  SEINET7568762 Image available Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2004 Comment
  CDA33122  Carex nudata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3313 Plumas 2.8 miles north-northeast of the Engle Mine town-site on the Diamond Mountain Road, between the road and Lights Creek. Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  CAS-BOT-BC119182  Carex pachystachya Hans Leschke 1954-7-3 s.n. Plumas Northern border of swamp North of Willow Lake. 1661 Comment
  SEINET7570350 Image available Carex pachystachya Lewis S. Rose 1968-6-10 68085 Plumas Quincy Meadow. 1036 Comment
  CAS-BOT-BC119008  Carex pellita John Thomas Howell 1959-9-23 s.n. Plumas Meadow 3 mi from Juniper Lake on road to Chester. 1889 Comment
  CAS-BOT-BC119012  Carex pellita D. H. Esplin; R. K. Gierisch 1968-10-3 5 Plumas Crocker Guard Station horse pasture. 1737 Comment
  CDA33129  Carex preslii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3215 Plumas Rhinehart Meadow, 1 mile south of China Grade Road junction, on Mt. Hough-Crystal Lake Road. Comment
  CAS-BOT-BC118138  Carex rossii John Thomas Howell; Gordon H. True 1967-7-11 43333 Plumas Summit ridge of Mt. Hough. 2194 Comment
  CHSC63196  Carex rossii Lowell Ahart 1994-7-7 7470 Plumas East of a meadow, on the south-west side of the Pacific Crest Trail, south of a poor dirt road, east of the weather station, about 1/2 mile (air) west of Pilot Peak, about 3/4 mile east of Quincy La Porte Road. 1981 Comment
  HSC89404  Carex rossii L. P. Janeway 1989-6-8 3273 Plumas Near Jackson Creek, just E of Feather River Hwy. (Hwy. 70/89) at upper end of Jackson Creek campground 1387 Comment
  CAS-BOT-BC117897  Carex scabriuscula John Thomas Howell 1962-6-16 37644 Plumas Feather River North Fork on road to Caribou. 731 Comment
  CHSC47348  Carex scabriuscula L. P. Janeway 1989-6-9 3286 Plumas Cyn of E Br N Fk Feather River, 5.4 mi E of the river mouth and Caribou Rd, along Hwy 70. 822 Comment
  CHSC117757  Carex scoparia var. scoparia Jim Belsher- Howe 2016-9-5 Plumas Smith Lake- 'Quigley Marsh. 4050 Comment
  JEPS49039  Carex spectabilis Leland S. Smith 1927-8-10 2167 Plumas above Gold Lake, w end; Tahoe National Forest 2194 Comment
  SEINET7576277 Image available Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy. 1036 Comment
  CAS-BOT-BC117367  Carex stipata var. stipata Walter Knight; Irja Knight 1966-6-18 1347 Plumas Butterfly Valley. 1036 Comment
  JEPS109606  Carex stipata var. stipata Dean W. Taylor 2002-6-19 18164 Plumas Quincy, drainage ditch forming part of Clear Stream, on the far western edge of town, between the Gold Pan Motel and the fuel depot, north side of Highway 70 1036 Comment
  JEPS107614  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-10 12304 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
  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
  CAS-BOT-BC115991  Carex subfusca Alice S. Mulford 1914-8-14 s.n. Plumas Smith Lake on Mt. Elwell. 1874 Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  CHSC116391  Carex utriculata Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 407 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  JEPS28348  Carex utriculata George W. Gillett 1957-7-18 837 Plumas marsh on n end of Willow Lake Lassen Volcanic National Park, Willow Lake 1661 Comment
  CAS-BOT-BC115051  Carex vesicaria Hans Leschke 1960-8-5 1686 Plumas Little Bear Lake, Lassen Volcanic National Park. 2057 Comment
  SEINET11634920  Carex vesicaria Unknown 1985-1 5124 Plumas Little Grass Valley Res., where South Fork of Feather Riv. flows into lake, ca 4.5 mi NE of La Porte 1585 Comment
  CAS-BOT-BC114934  Carex whitneyi John Thomas Howell 1977-6-20 52407 Plumas On the peninsula of Lake Almanor. 1371 Comment
  CDA13407  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13256 Plumas Sierra Nevada; Near upper ridge above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC47148  Carex whitneyi L. P. Janeway 1989-6-8 3274 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) ca 1000 ft E of Jackson Cr campground. 1402 Comment
  CHSC21725  Castilleja F. T. Griggs; A. Pass 1975-7-8 110 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC249011  Castilleja Mayer; Brink 1975-7-24 s.n. Plumas Bucks Lake area Comment
  CHSC76146  Castilleja applegatei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3104 Plumas Of reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  UCD147801  Castilleja applegatei Allyson Ayalon; Lucie Jerabkova 2012-8-1 154 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC249738  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1963-7-24 63 -62 Plumas On shoulder of east-west ridge 1.5 miles east of Wheeler Peak Comment
  RSA165518  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-16 7459 Plumas Diamond Peak. Comment
  SEINET13732908  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-3 87 -1 Plumas Red Clover Valley. Comment
  JEPS95395  Castilleja arachnoidea Lowell Ahart 1994-7-20 7479 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  JEPS125759  Castilleja campestris William Harnach 2013-5-18 1355 Plumas 0.25 miles East of Co. Rd A-23 on Marble Lane, south of Beckwourth Comment
  SEINET8584721  Castilleja campestris W. Harnach 2013-5-18 1355 Plumas Sierra Valley, on Marble Lane, 0.25 miles E of County Road A-23, S of Beckwourth 1491 Comment
  UC138989  Castilleja lacera Mrs. A. L. Coombes 1902-7-7 Plumas Prattville Comment
  UC155238  Castilleja lacera Katharine Brandegee 1911-7-30 Plumas Portola Comment
  CAS-BOT-BC254051  Castilleja miniata Clarence R. Quick 1934-7-4 1334 Plumas Headwater of Clear Creek, Plumas National Forest Comment
  CHSC62586  Castilleja miniata subsp. miniata B. Castro; L. P. Janeway 1987-7-17 138 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  RSA52890  Castilleja payneae R. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse. 1982 Comment
  CAS-BOT-BC241040  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse, Lakes Basin Area 1981 Comment
  CHSC32018  Castilleja pilosa L. Ahart 1974-10-1 642 Plumas N of Pilot Peak on w part of Buzzards Roost, ca. 1 mi n of Onion Valley. 1981 Comment
  CHSC37290  Castilleja pilosa M. S. Taylor 1982-5-28 4558 Plumas Squaw Valley at jct of 26N70 and 28N01, ca. 16 mi s of Milford. 1706 Comment
  CHSC68875  Castilleja tenuis Vernon Oswald; Lowell Ahart 1997-6-24 8626 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  JEPS29553  Castilleja tenuis John Thomas Howell 1960-7-18 35517 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  UCR270599  Caulanthus amplexicaulis John F. Emmel 2002-5-20 1755 Plumas North Fork Feather River, Queen Lily Campground, near Belden 732 Comment
  CHSC96738  Ceanothus arcuatus L. P. Janeway 2007-5-20 8987 Plumas Northern High Sierra Nevada. Along Road 26N22F (to top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  CHSC96746  Ceanothus arcuatus L. P. Janeway 2007-5-20 8996 Plumas Northern High Sierra Nevada. Northeastern corner of Meadow Valley at junction of Bucks Lake Road, Spanish Ranch Road and Spanish Creek. 1106 Comment
  SBBG120144  Ceanothus arcuatus L. P. Janeway 2007-5-20 8987 Plumas USFS Rd 26N22F (to top of Red Hill), 2.4 rd km from Deadwood Saddle, 2.6 air km E of summit of Red Hill 1594 Comment
  CAS-BOT-BC47867  Ceanothus cordulatus Ella Dales Cantelow 1939-5-20 2560 Plumas Lake Almanor Comment
  SJSU771  Ceanothus cordulatus A. W. Jacobs 1942-6-27 Plumas Almanor Comment
  UC725900  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas forest s. of Chester 1310 Comment
  UCD111398  Ceanothus cordulatus B. F. Smith 1967-8-16 61 Plumas 2 miles northeast of La Porte. 1615 Comment
  CAS-BOT-BC47863  Ceanothus cordulatus John Thomas Howell 1960-7-20 35741 Plumas Lassen Volcanic Nat'l Park, Boiling Springs Lake 1798 Comment
  CDA18681  Ceanothus cuneatus var. cuneatus G. D. Barbe, T. C. Fuller 1982-6-15 3721 Plumas Sierra Nevada; 1/4 miles below and north-northeast of Red Hill Summit, Plumas National Forest. 1859 Comment
  HSC18301  Ceanothus integerrimus L. S. Rose 1967-7-10 67153 Plumas 3 mi W of Keddie, Butterfly Valley 1098 Comment
  UCD111954  Ceanothus integerrimus Collector unknown Date unknown s.n. Plumas location unknown. Comment
  LA44875  Ceanothus jepsonii C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
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May 17 2021
  CAS-BOT-BC51160  Ceanothus lemmonii Mary Strong Clemens 1920-6-23 s.n. Plumas Quincy Comment
  UC33618  Ceanothus lemmonii J. G. Lemmon and wife 1889-5-14 Plumas Johnson's Ranch Quincey Comment
  CAS-BOT-BC63334  Ceanothus prostratus Doris Kildale Gillespie 1930-5-12 9313 Plumas 2 mi. e. of Chester. Comment
  LA44962  Ceanothus prostratus Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  LA45110  Ceanothus velutinus C. W. Hallis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC63183  Ceanothus velutinus var. velutinus George W. Gillett 1957-7-23 892 Plumas Summit of Mt. Harkness. Lassen Volcanic National Park. 2446 Comment
  CAS-BOT-BC63187  Ceanothus velutinus var. velutinus Mrs. S. C. Sutcliff 1917-7-1 s.n. Plumas Gold Lake Camp. Comment
  CAS-BOT-BC63191  Ceanothus velutinus var. velutinus L. P. Janeway 1989-6-15 3324 Plumas NE-facing slopes on flank of Crocker Mtn. above Red Clover Valley. 1722 Comment
  CHSC96847  Ceanothus velutinus var. velutinus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14051 Plumas Steep north slope, about 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  UC569887  Ceanothus velutinus var. velutinus E. Sawyer 1935-7-8 273 Plumas 4 1/4 mi n Hawks; Sierraville Quad., n of Hawks 1798 Comment
  CDA43456  Centaurea stoebe subsp. australis Jennifer Wiley 2015-8-18 PDR# 320 P06131499 Plumas Chester Airport, 241 Masson Road, Chester. 0 Comment
  JEPS107784  Cerastium arvense Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11751 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area 484 Comment
  CAS-BOT-BC388186  Cerastium fontanum Anna Head 1921-8-10 s.n. Plumas Lake Center Camp, Feather River Region Comment
  RSA52919  Ceratophyllum demersum R. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain. Chain Bar Resort. Comment
  HSC18575  Cercocarpus ledifolius W. R. Rogers 1966-7-6 214 Plumas 1982 Comment
  UC1075736  Chamaesaracha nana Robert J. Weatherby 1955-7-21 1652 Plumas ridge between Bottle Springs and Bear Creek; Middle Fork Feather River 1767 Comment
  POM98578  Chamaesaracha nana F. W. Peirson 1926-6-21 6796 Plumas South shore Lake almanor, Comment
  CHSC81116  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-8-28 9187 Plumas Along the sides of the dirt roads, along road C - Line of Roseburg Resources Company, 1/8 mile south of Highway 36 and 89 at sign of Roseburg Lumber Company, Almanor Tree Farm, A Producing Forest, about 5 miles (air) southwest of Chester. 1402 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
  JEPS52343  Chamaesyce serpyllifolia W. L. Jepson 1924-7-25 10643 Plumas Bucks Valley Comment
  CAS-BOT-BC166083  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1977-8-11 52679 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CHSC33743  Chamerion angustifolium subsp. circumvagum M. S. Taylor 1981-7-13 3992 Plumas Frenchman Lake Canyon, 1.8 mi s of the dam, ca. 10 mi n of Chilcoot on Hwy 70. Road embankment. 1615 Comment
  UC1186543  Chamerion angustifolium subsp. circumvagum J. W. MacSwain 1959-8-12 59 -151 Plumas 2.3 mi w Quincy Comment
  CDA13573  Cheilanthes gracillima G. F. Hrusa, T. D. Wilfred 1996-8-23 13522 Plumas Sierra Nevada; Plumas Natl. Forest. of W side at summit of Lava Peak, N. of Hwy 70 about 15 m. E of Quincy. Comment
  JEPS127208  Cheilanthes gracillima Lowell Ahart 2016-6-29 21060 Plumas About 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET10529918  Cheilanthes gracillima Mary Susan Taylor, G. Rotta 1981-8-20 Taylor 4234 Plumas California: T25N R7E ne1/4 of nw1/4 sec 20. Almanor SW quad. On meta- volcanic moss-covered cliff, E side of Caribou Rd, 0.1 m N of its jct with Hwy 70, ca. 1.5 mi NE of Belden. Plumas County. 2400 ft. 731 Comment
  CHSC69513  Chenopodium album Lowell Ahart 1997-9-11 7911 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
  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
  CDA23360  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. Comment
  CHSC80830  Chimaphila menziesii Lowell Ahart 2001-7-17 8908 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, by a primitive camp, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CDA18460  Chimaphila umbellata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3211 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  HSC22958  Chimaphila umbellata John Pratt 1970-7-19 75 Plumas 1982 Comment
  RSA239262  Chimaphila umbellata subsp. occidentalis R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth, K. Thorne 1972-9-20 42323 Plumas Plumas National Forest: Fern Glen, Butterfly Valley Botanic Area. 1098 Comment
  CDA28674  Chorispora tenella G. D. Barbe 1981-6-23 3090 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC36258  Chrysolepis sempervirens Mrs. Joseph Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  UC1135252  Chrysolepis sempervirens R. Roseberry 1934-11-4 9 Plumas 1 mi ne Johnsville; Plumas National Forest, Downieville Quad. 1493 Comment
  SEINET7450651 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA300576  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-13 3862 Plumas 0.5 miles from Hwy. 89 along Gold Lake Road, S of Graegle Comment
  RSA768849  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-10 15360 Plumas Both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1.75 air miles south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1594 Comment
  UCD69272  Chrysothamnus viscidiflorus subsp. viscidiflorus D. Sanchez-Mata; D. Sanchez-Mata and P. Rodriguez-Rojo 1997-8-16 s.n. Plumas French Bar-Caribou. Plumas National Forest, near North Fork of Feather River (Quercion duratae Sanchez-Mata, Barbour and Rodriguez-Rojo in Rivas-Martinez 1997). 840 Comment
  UC1777720  Chylismia claviformis subsp. integrior June McCaskill 465 Plumas Lake Almanor region Comment
  CDA19929  Cichorium intybus J. Naughton 2002-7-7 106 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CAS-BOT-BC279837  Cichorium intybus Frank J. Kirby 1958-7-1 1182 Plumas Near Greenville 914 Comment
  CHSC21563  Circaea alpina subsp. pacifica L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Found beside a stream in the middle portion of the section. Comment
  CHSC33730  Circaea alpina subsp. pacifica M. S. Taylor 1981-7-13 3999 Plumas Along Lookout Creek, ca. 2 mi w of its jct with 28N11, ca. 3 air mi nw of n tip of Frenchman Lake, ca. 15 air mi n of Chilcoot. 1889 Comment
  RSA101427  Circaea alpina subsp. pacifica R. Weatherby 1955-8-6 1678 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  SEINET10841114  Circaea alpina subsp. pacifica Mary Susan Taylor 1981-7-13 Taylor 3999 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  SEINET12193547  Circaea pacifica W. Knight, Knight, I. 1983-1 4915 Plumas Near Drakesbad Ranger Station, Lassen Volcanic National Park 1646 Comment
  CHSC97117  Cirsium arvense Lowell Ahart; Josephine Guardino 2007-7-20 14335 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  SEINET7451108 Image available Cirsium cymosum var. cymosum A. A. Heller, P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith and Red Clover valley Comment
  CHSC69699  Cirsium occidentale var. candidissimum Vernon H. Oswald; Lowell Ahart 1997-9-18 8874 Plumas Ca. 4 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). Roadside. 1383 Comment
  CAS-BOT-BC228901  Cistanthe umbellata Lewis S. Rose 1954-5-30 54074 Plumas Johnsville 1600 Comment
  CAS-BOT-BC162586  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54245 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada 1737 Comment
  CAS-BOT-BC163168  Clarkia lassenensis Clare B. Hardham 1961-6-15 7421 Plumas Sierra Nevada Mountains. East of Taylorsville, Road to Engelmine [Engel Mine] 1219 Comment
  SEINET10492511  Clarkia mildrediae James D. Jokerst, Robert A. Schlising 1978-6-21 Jokerst 3288 Plumas Feather River Canyon, 4.2 miles N of Storrie (=9.2 miles N of Butte County line) at Rodgers Flat Power Plant; roadside bank of rotten granite in montane forest, with Pinus ponderosa, Pseudotsuga menziesii, Asclepias cordifolia, introduced grasses; population of several hundred individuals, and more or less continuous with other such populations along Feather River Highway. Comment
  CHSC82617  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. 1567 Comment
  CHSC89901  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Above a trail. 1524 Comment
  CHSC89902  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Above a trail. 1524 Comment
  RSA0004428  Clarkia mildrediae subsp. lutescens L. P. Janeway 1995-7-29 4881 Plumas Along Oroville-Quincy Hwy 0.9 mi west of Grizzly Creek. 1622 Comment
  CHSC101495  Clarkia mildrediae subsp. mildrediae Samantha Mackey Hillaire 2008-4-9 1255 Plumas Plumas National Forest, Rock Creek area. Along powerlines and access roads. 2000-4000 ft. 914 Comment
  CHSC21545  Clarkia mildrediae subsp. mildrediae D. E. Brink Jr.; L. M. Mayer 1975-7-12 Plumas Bucks Lake. Found along the road in the nw portion of the section. Comment
  CHSC27036  Clarkia mildrediae subsp. mildrediae James Jokerst; Robert A. Schlising 1978-6-21 3288 Plumas Feather River Canyon, 4.2 mi N of Storrie (= 9.2 mi N of Butte County line) at Rodgers Flat Power Plant; roadside bank. Along Feather River Highway. Comment
  LA206074  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 753 Plumas Hwy 24, 0.5 mi S of Bridge 9-04 area Feather River Comment
  CHSC115721  Clarkia mildrediae subsp. mildrediae K. Bovee 2014-5-15 0053 Plumas Lassen National Forest, adjacent to Pacific Crest Trail in Chips Creek Canyon. On southeast-facing trailcut soth of Chips Creek. 1341 Comment
  CHSC83648  Clarkia rhomboidea L. P. Janeway 2001-6-28 7238 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  UCR3562  Clarkia rhomboidea Wm. Horn Jr. 1963-6-19 630619- 5 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  CHSC20828  Clarkia stellata K. R. Stern 1975-7-23 5823 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC70763  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1438 Comment
  UC1586083  Clarkia stellata Barbara Ertter with Gary Schoolcraft 1989-7-3 8638 Plumas ca. 10 airmiles s. Susanville (rd. to Lone Rock & Red Rock on s. side of Diamond Mt., neaar Morton Creek crossing); Diamond Mt. 1828 Comment
  RSA101475  Clarkia stellata R. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station, USFS 1067 Comment
  SEINET10689280  Clarkia stellata Nancy R. Morin Morin 275 Plumas Campground, vicinity of Greenville. Comment
  CAS-BOT-BC439098  Claytonia cordifolia David D. Keck 1932-7-3 1700 Plumas Quincy, in the Northern Sierra Nevada. Water supply canyon to the left hand just south of town. 1065 Comment
  CHSC93076  Claytonia palustris L. P. Janeway 1994-5-24 4647 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1341 Comment
  CDA23954  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-2 4974 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CAS-BOT-BC443637  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1962-6-18 37766 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC89299  Claytonia perfoliata subsp. perfoliata G. D. Barbe; T. C. Fuller 1982-6-17 3865 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of north arm of the lake. 1706 Comment
  CDA15385  Claytonia rubra subsp. rubra G. F. Hrusa 1997-5-3 13839 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC101784  Claytonia rubra subsp. rubra Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15864 -A Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC21217  Claytonia rubra subsp. rubra F. T. Griggs; A. Pass 1975-7-17 145 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC87869  Claytonia rubra subsp. rubra Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11058 Plumas About 50 yards north of the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  CHSC40247  Collinsia parviflora K. R. Stern 1985-6-25 8229 Plumas Vic. Blairsden. 1371 Comment
  RSA0117244  Collinsia parviflora L. 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. 1966 Comment
  SEINET13405214  Collinsia parviflora C. Tanner 1999-1 s.n. Plumas Portola, area bounded by Plumas and Quincy Streets on N and S, Rock and Willow on E and W. 1484 Comment
  UCD23344  Collinsia parviflora E. W. Jameson 1949-5-3 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  CDA18734  Collinsia parviflora G. D. Barbe, T. C Fuller 1982-7-15 3748 Plumas Plumas National Forest; 5.2 miles northeast of junction with road to Red Hill. 1524 Comment
  POM158058  Collinsia parviflora H. C. Cantelow 1941-5-21 s.n. Plumas About 8 miles west of Quincy, on Meadow Valley Creek. Comment
  CHSC87623  Collinsia rattanii Lowell Ahart; Josephine Guardino 2004-5-24 10947 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  CHSC93188  Collinsia rattanii L. P. Janeway 1994-5-24 4651 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  UC586856  Collinsia torreyi var. torreyi Joseph Andorfer Ewan 1934-6-25 8225 Plumas Gold Lake Road above Dentons (Blairsden) Blairsden; Gold Lake Road above Dentons (Blairsden) 1676 Comment
  CHSC46661  Collinsia torreyi var. wrightii Lowell Ahart 1989-7-7 6368 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
  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
  CHSC62502  Collomia tinctoria B. Castro; Robin Ondricek-Fallscheer 1990-6-14 462 Plumas Ca 5.5 air mi S of Bucks Lake and 0.1 mi SE of jcn USFS Rd 23N18 with Rd 23N70, in the Arkansas Ravine area. 1524 Comment
  CHSC66634  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1996-7-15 8036 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. On the edge of the road crossing the meadow. 1371 Comment
  JEPS96114  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-7-15 8036 Plumas E. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground, at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range, , Last Chance Marsh 1371 Comment
  CAS-BOT-BC237930  Cordylanthus Clare B. Hardham 1986-8-9 30405 Plumas Sierra Nevada Mountains. Meadow Valley - Virgilia Road 1310 Comment
  CHSC97280  Cordylanthus tenuis subsp. tenuis Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14468 Plumas About 60 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
  JEPS107608  Cordylanthus tenuis subsp. tenuis Lowell Ahart, Josephine Guardino 2005-8-10 12300 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
  POM287807  Cornus nuttallii Mrs. R. M. Austin, C. C. Bruce, G. Austin 1908-04 652 Plumas Near Sierra Valley. 1372 Comment
  RSA232860  Cornus nuttallii L. S. Rose 1968-6-11 68107 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1037 Comment
  RSA60134  Cornus nuttallii E. K. Balls 1950-9-5 15677 Plumas Main trail Thompson Creek, off La Porte Road, off Hwy 24, e. of Quincy. Comment
  SBBG133125  Cornus nuttallii B. C. Templeton 1968-1 11286 Plumas unknown Comment
  CAS-BOT-BC210303  Cornus sericea Javier Penalosa 1962-6-19 2490 Plumas Hwy. 40-89, +- 6.2 mi SE of Quincy 1097 Comment
  CAS-BOT-BC210305  Cornus sericea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2415 Plumas Butterfly Botanical Area. Fern Glen Comment
  CAS-BOT-BC210316  Cornus sericea John Thomas Howell 1955-7-20 30842 Plumas Mohawk 1371 Comment
  CAS-BOT-BC210323  Cornus sericea David D. Keck 1932-7-3 1654 Plumas South of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC210325  Cornus sericea Ira L. Wiggins 1948-9-15 12057 Plumas Between canyons of Onion Creek and Middle Fork of the Feather River Comment
  CHSC102129  Cornus sericea subsp. sericea Lowell Ahart; John Dittes 2009-7-27 16167 Plumas On damp soil, on the southwest side of a stream, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC21077  Cornus sericea subsp. sericea F. T. Griggs; A. Pass 1975-7-2 44 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS50177  Cornus sessilis W. L. Jepson 1924-7-22 10608 Plumas Middle Fork Feather R., Rich Pt. 914 Comment
  NY214535  Corydalis caseana J. M. Coulter 07 1876 s.n. Plumas Big Meadows Comment
  UC120137  Corydalis caseana subsp. caseana D. Cleveland 1892-7-25 Plumas Big Meadows, Big Spring Comment
  CAS-BOT-BC291591  Crepis modocensis subsp. subacaulis Anna Head 1921-6-15 s.n. Plumas Lake Independence, Feather River Region 2133 Comment
  RSA39747  Crepis modocensis subsp. subacaulis P. A. Munz 1947-5-17 11844 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  CHSC41177  Crepis occidentalis subsp. conjuncta J. D. Jokerst 1984-5-14 2013 Plumas Ridge, SE of Genesee Valley, S of Ward Cr. 1584 Comment
  CAS-BOT-BC376473  Crepis pleurocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54307 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CDA13930  Crepis pleurocarpa G. F. Hrusa 1997-5-3 13855 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  CHSC34910  Crepis pleurocarpa M. S. Taylor 1981-7-21 4083 Plumas NE corner of jct of 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  RSA212166  Crepis pleurocarpa L. S. Rose 1969-6-24 69047 Plumas Butterfly Creek and Spanish Creek 854 Comment
  CAS-BOT-BC290858  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-6 2188 Plumas 2 mi. east of Meadow Valley on road to Quincy 1150 Comment
  SEINET10968222  Crypsis schoenoides Lowell Ahart 1985-8-12 Ahart 5162 Plumas Near the edge of Highway 70, about 1.7 miles west of Rich Gulch Road, about 2 miles east of Rich Bar. Comment
  CAS-BOT-BC190152  Crypsis vaginiflora John Thomas Howell 1959-9-21 34814 Plumas Sierra Nevada. Indian Creek. Just below Indian Falls. 914 Comment
  CAS-BOT-BC189310  Cryptantha John Thomas Howell 1977-8-11 s.n. Plumas Little Last Chance Creek canyon, N of Chilcoot 1676 Comment
  JEPS103310  Cryptantha affinis Lowell Ahart 2002-7-18 9870 Plumas On the N side of a small upper branch of Fall R., ca 100 yards N of Lumpkin Ridge Rd, ca 1 mile (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  RSA0058874  Cryptantha affinis Lowell A. Ahart 2008-7-9 15053 Plumas About 20 yards north of the dirt road, about 1/4 mile east of the Feather Fork mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  RSA755439  Cryptantha affinis L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15858 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET10902871  Cryptantha echinella Mary Susan Taylor 1982-8-5 Taylor 4929 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  SEINET8533752  Cryptantha flaccida A. A. Heller, P. B. Kennedy 1907-7-15 8853 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CDA19252  Cryptantha simulans G. D. Barbe, T. C. Fuller 1982-6-17 3809 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC102750  Cryptantha torreyana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  JEPS115225  Cryptantha torreyana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS125845  Cryptantha torreyana Dean W. Taylor 2001-8-1 17861 Plumas Watershed divide between Onion Valley Creek and Poorman Creek, 1 mile N of Pilot Peak, ca 10 air miles SE of Quincy, near the junction of Forest Road 22N84X and 22N43Y. Comment
  CHSC52719  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas Plumas National Forest. Ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 Comment
  UC1093684  Cryptogramma acrostichoides Herbert L. Mason 1926-7-12 2894 Plumas Mt Elwell Comment
  UC123025  Cryptogramma cascadensis R. M. Austin July 1876 318 Plumas Spanish Peak Comment
  CHSC91897  Cupressus bakeri Lowell Ahart; Josephine Guardino, John Dittes 2005-8-10 12325 Plumas On the east side of Forest Road 27N34, about 1/2 mile south of Wilcox Valley, about 3/4 mile northeast of Eisenheimer Peak. 2021 Comment
  UC1229887  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -1 Plumas 1.5 mi w of Wheeler Peak (scatted grove of ca 3 acres on n and e borders on an open lava cap) 1996 Comment
  SEINET10531423  Cupressus bakeri Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4175 Plumas T26N R11E ne 1/4 sec 23. Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse. 6500 ft. 1981 Comment
  CDA13405  Cuscuta californica G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13254 Plumas Sierra Nevada; W of headwaters of Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC224546  Cuscuta californica Clare B. Hardham 1970-8-8 17706 B Plumas Red Clover Creek 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
  CHSC54865  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  JEPS107606  Cuscuta californica var. californica Lowell Ahart, Josephine Guardino 2005-8-10 12303 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
  RSA795632  Cuscuta subinclusa L. Ahart 2011-9-17 17677 Plumas West side of Lumpkin Ridge Road, about 2 air miles west of Little Grass Valley Reservoir Dam. 1688 Comment
  UC1564768  Cuscuta suksdorfii V. Oswald and L. Ahart 1989-7-22 3949 Plumas ca 2 air mi nnw Humbug Summit; Lost Lake 1950 Comment
  SEINET10935963  Cuscuta suksdorfii var. subpedicellata Mary Susan Taylor 1982-8-5 Taylor 4928 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  JEPS49762  Cycladenia humilis var. humilis R. M. Austin 1879-1 Plumas Dutch Hill Comment
  SEINET4069236 Image available Cymopterus globosus B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
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May 19 2019
  UCD144320  Cynoglossum occidentale G. F. Hrusa; T. D. Wilfred 1996-8-1 13412 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  CAS-BOT-BC114546  Cyperus eragrostis John Thomas Howell 1959-9-21 34795 Plumas Virgilia. 841 Comment
  SEINET3164823  Cyperus inflexus E. K. Balls 1950-9-14 15814 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  JEPS95071  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of North Fork Feather River, at elevated siphon); Caribou Road, North Fork Feather River 731 Comment
  CAS-BOT-BC133732  Cypripedium californicum M. S. Taylor 1982-6-14 4668 Plumas Field redacted by CAS, contact the data manager for more information 853 Comment
  UC336579  Cypripedium fasciculatum Mrs. Austin Plumas Indian Valley Comment
  CAS-BOT-BC70667  Cystopteris fragilis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1458 Plumas Near bed of Spanish Creek adjacent to confluence of Butterfly Creek 883 Comment
  CAS-BOT-BC70677  Cystopteris fragilis John Thomas Howell 1951-6-27 27635 Plumas Jamison Creek 1828 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
  CAS-BOT-BC70673  Cystopteris fragilis John Thomas Howell 1962-6-16 37638 Plumas Lewisia Rock, Feather River North Fork 640 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
  SD6434  Damasonium californicum Daniel Cleveland 1882-7-22 Plumas Prattville Comment
  CAS-BOT-BC186622  Danthonia californica Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2639 Plumas Valley Proper. Butterfly Botanical Area and Vicinity 1036 Comment
  CAS-BOT-BC186627  Danthonia californica Clarence R. Quick 1966-7-7 66 37 A Plumas E. of Cottonwood Creek crossing, ca. 3 m. s. of w. end of Humbug Valley 1402 Comment
  CDA19259  Danthonia unispicata G. D. Barbe, T. C. Fuller 1982-6-17 3852 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  POM180942  Danthonia unispicata A. A. Heller, P. B. Kennedy 1907-7-3 8705 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC76206  Darlingtonia californica Walter Knight; Irja Knight 1966-6-19 1320 Plumas Butterfly Valley. 1158 Comment
  CAS-BOT-BC76214  Darlingtonia californica Mrs. J. H. Brinkers 1892-5-26 s.n. Plumas Quincy. Comment
  RSA84913  Darlingtonia californica Marie Lanfear 1928-6-12 s.n. Plumas Butterfly Valley, near Quincy Comment
  SJSU14231  Delphinium andersonii N. A. Hopkins 1989-5-16 1492 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CAS-BOT-BC8919  Delphinium depauperatum John Thomas Howell; Gordon H. True 1967-7-11 43326 Plumas about 3 miles southeast of Mt. Hough 1706 Comment
  RSA101464  Delphinium depauperatum R. Weatherby 1955-7-2 1574 Plumas Creek below Bear Ridge. 1982 Comment
  SD7964  Delphinium nudicaule Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET7720713  Delphinium nudicaule Unknown Plumas Indian Valley Comment
  CHSC35938  Delphinium nuttallianum M. S. Taylor 1982-5-27 4556 Plumas S side of Bucks Lake--Spanish Creek Rd, 4.5 mi sw of its jct with Hwy 70 in Quincy. 1097 Comment
  CHSC60555  Delphinium nuttallianum L. P. Janeway 1992-5-14 4178 Plumas Plumas National Forest. Dotta Canyon; southwest side of Dotta Neck, 3.4 mi southeast from Beckwourth-Genesee Road. Meadow. 1716 Comment
  JEPS23505  Delphinium nuttallianum John W. Duffield 1937-5-29 Plumas near Quincy Q (a white stone 'Q'--an airplane signal--on hillslope just e of Quincy) Comment
  SD243406  Delphinium nuttallianum G. Douglas Barbe, T. C. Fuller 1982-6-15 3705 Plumas 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
  UCD61221  Deschampsia cespitosa R. Tofsrud 1949-6-1 Plumas Vicinity of Quincy. Comment
  CAS-BOT-BC192438  Deschampsia cespitosa subsp. cespitosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC1100293  Deschampsia cespitosa subsp. cespitosa Malcolm A. Nobs and S. Galen Smith 1949-8-19 1435 Plumas bog & marsh at Butterfly Valley Butterfly Valley Comment
  CAS-BOT-BC198149  Deschampsia danthonioides John Thomas Howell 1951-6-27 27588 Plumas McRae Meadow - Sierra Nevada 1981 Comment
  CAS-BOT-BC198159  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor. 1828 Comment
  JEPS115987  Deschampsia danthonioides Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15897 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area 1421 Comment
  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
  CAS-BOT-BC43038  Descurainia incisa subsp. incisa M. S. Taylor 1982-5-19 4480 Plumas Ridgetop, ca. 1.5 mile east of Portola, on edge of Ramelli Ranch boundary. 1755 Comment
  CHSC36944  Descurainia pinnata M. S. Taylor 1982-9-13 5128 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  CDA12082  Descurainia pinnata subsp. intermedia G. F. Hrusa, G. L. Webster 1989-5-1 7027 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  SD8234  Dicentra uniflora Mrs. R. M. Austin 1882-1 Plumas Big Meadows Comment
  CAS-BOT-BC209230  Dichanthelium acuminatum subsp. acuminatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie 1066 Comment
  CAS-BOT-BC254484  Dichanthelium acuminatum subsp. acuminatum Walter & Irja Knight 1966-6-18 1383 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC242667  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  JEPS85855  Dichelostemma congestum Barbara Ertter 1989-7-4 8692 Plumas Coyote Flat w of Lake Almanor (4.2 mi w of Hwy. 89 jct. with Hwy. 36); Coyote Flat 1524 Comment
  JEPS58081  Dichelostemma multiflorum W. L. Jepson 1910-6-16 4146 Plumas Quincy 1036 Comment
  POM253055  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray s Flat along the Feather River Highway. 869 Comment
  CHSC62432  Dieteria canescens var. canescens L. P. Janeway 1993-8-12 4520 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  CHSC65488  Dieteria canescens var. canescens L. P. Janeway 1995-9-19 4934 Plumas 0.9 mi east of Crocker Creek and Crocker Guard Station and Crocker Campground. Roadside. 1883 Comment
  CAS-BOT-BC209012  Digitaria sanguinalis John Thomas Howell 1951-6-29 27768 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC151747  Diplacus kelloggii Wayne Dakan 1979-1-1 s.n. Plumas N fork of Feather River - Sierra Nevada Comment
  CAS-BOT-BC151821  Diplacus mephiticus Catherine Best 1979-6-14 s.n. Plumas Eureka Park, 1 mile east of river on main road - Sierra Nevada Comment
  CAS-BOT-BC151855  Diplacus mephiticus G. D. Hanna 1958-9-18 s.n. Plumas Crystal Mt., Eastern Plumas Co. 2194 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
  SJSU14322  Diplacus mephiticus N. A. Hopkins 1989-6-7 1526 Plumas c. 0.75 mi E of Dixie Valley 1920 Comment
  SEINET8205905  Diplacus mephiticus L. P. Janeway 1995-6-25 4817 Plumas Almanor quad; 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1439 Comment
  CHSC24968  Diplacus torreyi L. Mayer; D. Brink 1975-7-3 Plumas Buck's Lake Survey. Comment
  CHSC95016  Diplacus torreyi Lowell Ahart 2006-10-23 13485 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC151699  Diplacus torreyi Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  JEPS117163  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas On the north side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air) west of Twain 813 Comment
  SEINET8564043  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  CHSC36213  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas Abundant in wet meadow in McRae Meadows, ca. 6 mi w of Mohawk. 1889 Comment
  JEPS48505  Dodecatheon alpinum Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  SEINET8552997  Dodecatheon alpinum M. J. Williams 1966-7-11 s.n. Plumas Near Luther ridge, above Johnsville. 2286 Comment
  JEPS34438  Downingia bacigalupii Rimo Bacigalupi, and Tsan Iang Chuang 1963-8-2 8914 Plumas 1.8 mi nw Almanor community (along Calif Highway 89); Lassen National Forest 1389 Comment
  SD87811  Downingia bacigalupii Frank W. Peirson 1926-6-21 6802 Plumas Near Lake Almanor. Comment
  UC1243993  Downingia bacigalupii John H. Weiler 1959-6-28 59207 Plumas 2.4 mi s Plumas County line (along Highway 89) Comment
  UC711910  Downingia bacigalupii Roxana S. Ferris and Laura Lorraine 1941-8-9 10420 Plumas Lake Almanor Public Camp, near village Lake Almanor Public Camp Comment
  JEPS108499  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-30 315 -96 Plumas Nea the W shore of Lake Almanor. SW corner of Rt. 89 and Prattville Butte Reservoir Road. Comment
  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
  UCD119193  Draperia systyla Lewis S. Rose 1967-7-19 67141 Plumas Cresta, North Fork, Feather River. 762 Comment
  JEPS84395  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  CAS-BOT-BC76262  Drosera anglica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1371 Comment
  UCD99505  Drosera anglica Barry Meyers-Rice 1999-8-7 MR 990801 Plumas at Willow Lake. Comment
  CDA25346  Drosera rotundifolia G. D. Barbe 1977-8-16 2329 Plumas 0.6 mile west of road to Twain, 0.6 mile west of end of pavement; Butterfly Valley. 0 Comment
  CHSC46703  Drosera rotundifolia V. Oswald; W. Dempsey 1989-8-24 3967 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  SBBG30504  Drosera rotundifolia D. Myrick 1968-6-18 1943 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  SD46715  Drosera rotundifolia Robert J. Weatherby 1950-7-21 1482 Plumas Quincy district, Butterfly Lake 1220 Comment
  CAS-BOT-BC159678  Drymocallis glandulosa Lewis S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly Creek & Spanish Creek near Keddie 975 Comment
  UCD148556  Drymocallis glandulosa G. Ledyard Stebbins 1986-6-29 C 608 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  CHSC110475  Drymocallis lactea var. austiniae L. P. Janeway 2013-6-2 11130 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain; along Road 23N69, 1.0 road km west of Road 18. 1873 Comment
  CHSC72322  Dulichium arundinaceum L. P. Janeway 1998-9-10 6277 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  CAS-BOT-BC113792  Dulichium arundinaceum G. Schoolcraft 1997-8-5 2640 Plumas Small Lake E of Hay Meadow. 1908 Comment
  CHSC95025  Dysphania pumilio Lowell Ahart 2006-10-23 13473 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS94293  Echinochloa crus-galli Lowell Ahart 1997-9-11 7898 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on the w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork of the Feather River, Caribou Road 792 Comment
  CAS-BOT-BC197241  Echinochloa muricata John Thomas Howell 1959-9-24 34925 Plumas Junction of Indian and Spanish creeks 914 Comment
  SEINET10904442  Elatine Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5176 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-BC113708  Eleocharis acicularis Thomas H. Kearney 1944-8-14 16 Plumas Near Prattville, Lake Almanor Comment
  CHSC40265  Eleocharis bella Lowell Ahart 1985-7-11 5137 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
  CHSC40659  Eleocharis bella Lowell Ahart 1985-9-26 5186 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC55568  Eleocharis bella L. P. Janeway 1989-7-7 3465 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CAS-BOT-BC112913  Eleocharis macrostachya Malcom A. Nobs; Gordon H. True 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  CAS-BOT-BC112915  Eleocharis macrostachya Lloyd W. Swift 1934-7-7 94 Plumas Granite Spring 1950 Comment
  RSA184932  Eleocharis obtusa var. engelmannii L. S. Rose 1966-7-27 66069 Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  CAS-BOT-BC113158  Eleocharis palustris Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC113148  Eleocharis palustris George Wilson Gillett 1957-7-18 827 Plumas Meadow at N end of Willow Lake, along inlet from Little Willow Lake. 1661 Comment
  JEPS95052  Eleocharis parishii Lowell Ahart 1997-9-11 7899 Plumas about 5 air mi ne of Belden (on w edge of Caribou Road, on w side of the North Fork of the Feather River, about 1/8 mi s of Mosquito Creek); North Fork Feather River, Caribou Road 792 Comment
  CAS-BOT-BC112053  Eleocharis quinqueflora John Thomas Howell 1960-7-19 35662 Plumas Drakesbad, moist soil near hot springs. 1828 Comment
  CHSC84217  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1752 Comment
  JEPS102457  Eleocharis quinqueflora Lowell Ahart and Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  CHSC58202  Eleocharis suksdorfiana Vernon H. Oswald; Lowell Ahart 1992-6-22 5026 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC78475  Eleocharis suksdorfiana Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond Reservoir and Sweetwater Meadow. 1164 Comment
  CAS-BOT-BC112021  Eleocharis suksdorfiana Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1871 Plumas In wet area in Butterfly Valley proper. Comment
  UC1586454  Eleocharis suksdorfiana Vernon H. Oswald and Lowell Ahart 1991-7-30 4793 Plumas 12 air mi S of Chester (Big Springs, within fenced enclosure; 6 air mi ENE of Humbug Summit); Humbug Valley, W side 1310 Comment
  CAS-BOT-BC112043  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1394 Plumas In dry vernal area-Pond Reservoir, Butterfly Botanical Area. 1097 Comment
  CAS-BOT-BC112045  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1672 Plumas In Sweetwater Meadow. 1127 Comment
  RSA0049657  Eleocharis torticulmis Dean Wm. Taylor 2011-8-1 21135 Plumas Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  CHSC66650  Elodea canadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8047 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance High Cascade Range. Campground at the streams and marshy meadow extending E from road 29N11. In marshy meadow on the E side of the road to the campground. 1371 Comment
  JEPS436  Elodea canadensis Rebecca M. Austin Aug 1896 573 Plumas Big Meadows Comment
  CAS-BOT-BC451530  Elodea canadensis M. S. Taylor; H. Swanson 1982-8-11 4977 Plumas Plumas Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 1712 Comment
  CHSC21817  Elymus F. T. Griggs; A. Pass 1975-7-12 177 Plumas Bucks Lake. Comment
  CAS-BOT-BC197353  Elymus W. W. Wagner 1919-6-7 277 Plumas Sockum Creek, Vicinity of Quincy 1310 Comment
  CAS-BOT-BC227606  Elymus elymoides John Thomas Howell 1977-6-20 52413 Plumas On the peninsula of Lake Almanor 1371 Comment
  CAS-BOT-BC227726  Elymus elymoides Clare B. Hardham 1970-8-9 17716 GG Plumas Road to Thompson Peak Lookout 2133 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
  RSA88140  Elymus glaucus J. T. Howell 1951-6-27 7568 Plumas Johnsville; Sierra Nevada 1585 Comment
  UCD61847  Elymus glaucus Lewis S. Rose 1968-6-10 68089 Plumas Quincy. 1036 Comment
  CAS-BOT-BC206511  Elymus glaucus subsp. glaucus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54320 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville - Sierra Nevada 1219 Comment
  UCD61275  Elymus macounii Carl W. Rimbey 1960-7-18 Plumas Sierra Valley, Gordon Van Vleck Ranch, ca. 5 miles NE Sattley. Comment
  CHSC116545  Elymus trachycaulus subsp. trachycaulus B. Castro; Brian Humphrey 2015-7-10 2098 Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 400 ft below edge of open Ponderosa-Jeffrey pine forest. 1674 Comment
  UC1134413  Ephedra viridis C. W. Hanks 1934-8-14 51 Plumas ne <end> Sierra Valley; Sierraville Quad., Plumas National Forest Comment
  CDA38056  Epilobium brachycarpum L. Ahart, John Dittes 2003-8-8 10 .481 Plumas On the west side of Beckwouth Calpine Road, about 50 yards north of the Western Pacific Railroad, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. Comment
  CHSC28704  Epilobium brachycarpum R. A. Schlising; C. A. Lawler 1979-8-22 3475 Plumas 7.9 mi W of Portola on Hwy 89, at jct with Delleker Road. At roadside and in ditches. Comment
  CHSC92175  Epilobium brachycarpum Lowell Ahart; John Dittes 2005-9-20 12460 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
  JEPS113469  Epilobium brachycarpum Lowell Ahart, John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113781  Epilobium brachycarpum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14012 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA60796  Epilobium brachycarpum I. L. Wiggins 1948-9-15 12051 Plumas Ridge between canyons of Onion Creek and Middle Fork of Feather River Comment
  CAS-BOT-BC171707  Epilobium canum subsp. latifolium Anna Head 1921-7-1 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC171722  Epilobium canum subsp. latifolium H. Albert Barker 1926-7-11 111 Plumas Blairsden - Gold Lake Grade 1676 Comment
  RSA59186  Epilobium canum subsp. latifolium E. K. Balls, R. Weatherby 1950-9-1 15612 Plumas East of Long Lake, cliffs above meadow sloping down to two smaller lakes. 2134 Comment
  UC107727  Epilobium canum subsp. latifolium R. M. Austin Aug 1896 559 Plumas Indian Valley Comment
  SEINET12424256  Epilobium ciliatum S. Batiuk, A. Kowal, J. Jaggers, D. Matthews 2011-8-31 s.n. Plumas Grizzly Creek Ranch, near pond. 1506 Comment
  SEINET13709649  Epilobium ciliatum Lowell William Ahart, Lowell William Ahart 2001-1 9285 Plumas Lake Davis (T24N, R13E, sec 29, NW 1/4) 5780 Ft. 1762 Comment
  RSA641238  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1974-7-30 45010 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  JEPS107495  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
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  CHSC21653  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  SEINET10453193  Epilobium glandulosum var. tenue Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4659 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  RSA60114  Epilobium hallianum E. K. Balls 1950-9-2 15637 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  RSA101455  Epilobium hallianum R. Weatherby 1955-7-2 1583 Plumas Wilcox Valley. 1768 Comment
  JEPS87189  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  CHSC101782  Epilobium minutum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15863 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC54531  Epilobium oregonense Vernon H. Oswald 1991-8-8 4820 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. In a meadow. 1658 Comment
  UC1075721  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas No Ear Bar Middle Fork Feather River 914 Comment
  CAS-BOT-BC57830  Equisetum hyemale subsp. affine John Thomas Howell 1959-9-24 34919 Plumas Indian Creek Canyon near Indian Falls. 1036 Comment
  CHSC108037  Equisetum laevigatum L. P. Janeway; B. Castro 2011-10-2 10760 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. Only seen at one shaded area at the bottom edge of the soggy meadow. 1542 Comment
  CHSC34882  Equisetum laevigatum M. S. Taylor 1981-8-31 4254 Plumas Both sides of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  CHSC97712  Equisetum laevigatum Lowell Ahart; John Dittes 2007-6-17 14168 Plumas Wet bare 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
  CAS-BOT-BC57513  Equisetum telmateia John Thomas Howell; Gordon H. True 1969-4-8 45485 Plumas Feather River Canyon at Storrie 548 Comment
  CHSC102970  Eremocarpus setiger Lowell Ahart; John Dittes 2009-9-7 16394 Plumas At the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC174182  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon 609 Comment
  CHSC21716  Eremogone cliftonii F. T. Griggs; A. Pass 1975-7-8 120 Plumas Buck's Lake Forest Service Survey. Comment
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Jul 8 2014
  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
  SEINET8361345  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas near the summit of Soapstone ridge in the Sierra Nevada; 12 miles west of Bucks. 1676 Comment
  CHSC95095  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2006-6-3 8660 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow. 1673 Comment
  CAS-BOT-BC174303  Eremogone congesta var. suffrutescens A. A. Heller; P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee [Genesee] Valley and Summit Comment
  CAS-BOT-BC174305  Eremogone congesta var. suffrutescens A. A. Heller; P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee [Genesee] Valley and Vicinity Comment
  SEINET5336743  Eremogone congesta var. suffrutescens A. A. Heller, P. B. Kennedy 1907-7-16 8869 Plumas Grade between Genessee Valley and Summit Comment
  CDA17234  Eriastrum signatum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16337 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
  CAS-BOT-BC286646  Ericameria bloomeri John Thomas Howell; Gordon H. True 1973-7-31 50076 Plumas Summit ridge of Thompson Peak. Diamond Range 2362 Comment
  CAS-BOT-BC286656  Ericameria bloomeri John Thomas Howell 1961-9-25 36962 Plumas Portola 1478 Comment
  CAS-BOT-BC292400  Ericameria nauseosa W. Harnach; N. Harnach 1990-10-6 533 Plumas 0.5 mile S of Dyson lane on 6 Mile 1492 Comment
  CHSC115801  Ericameria nauseosa var. oreophila Lowell Ahart; John Deurloo 2015-8-25 20531 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CAS-BOT-BC294287  Ericameria nauseosa var. speciosa Milo S. Baker 1926-8-23 296 c-'26 Plumas Lee's Camp Comment
  CAS-BOT-BC299438  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC96059  Ericameria nauseosa var. speciosa L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch. 792 Comment
  JEPS94444  Ericameria nauseosa var. speciosa Lowell Ahart 1997-8-19 7872 Plumas about 14 air mi ne of Feather Falls (on e side of Lumpkin Ridge Road, about 7 1/2 mi e of Camp 18); Lumpkin Ridge Road 1402 Comment
  SBBG50454  Ericameria nauseosa var. speciosa J. T. Howell 1974-9-20 50902 Plumas near Spring Garden 1158 Comment
  CAS-BOT-BC293027  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas Near Blairsden 1341 Comment
  UCD131546  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34967 Plumas Sierra Valley near Beckworth. 1478 Comment
  CHSC63115  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas Plumas-Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  UCR26888  Erigeron bloomeri E. C. Nord, B. W. Parkinson 1958-7-2 N- 89 Plumas Plumas National Forest, 0.5 mi SE of Meadow View [USFS] Guard Station 1982 Comment
  JEPS49078  Erigeron divergens Lewis S. Rose 1966-7-28 66071 Plumas Quincy 1066 Comment
  CAS-BOT-BC300367  Erigeron eatonii var. nevadincola W. Harnach; N. Harnach 1990-6-10 352 Plumas Sierra Valley. Balderson Ranch (Antelope Valley) 1524 Comment
  CHSC60523  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road. 1697 Comment
  RSA39539  Erigeron eatonii var. plantagineus P. A. Munz 1947-5-17 11849 Plumas 20 miles north of Chilcoot. 1829 Comment
  RSA523305  Erigeron eatonii var. plantagineus J. L. Strother 1987-6-28 1359 Plumas North of Sierra Valley, ca. 6 miles N of Beckwourth along road to Genese. 1750 Comment
  RSA712640  Erigeron filifolius var. filifolius L. P. Janeway 2005-7-30 8505 Plumas Northern High Sierra Nevada. Southern end of Diamond Mountains along Road 24N44 0.2 km east of Snow Lake; 4.7 km south-southwest of Adams Peak. West-facing slope of soft decomposed granite soil with scattered rounded granite boulders 1884 Comment
  CAS-BOT-BC296130  Erigeron foliosus var. foliosus J. T. Vale 1988-10-3 s.n. Plumas Hiway 89 between Graeagle and Quincy 1219 Comment
  CHSC100862  Erigeron inornatus var. inornatus B. Castro; L. P. Janeway 2005-9-11 1522 Plumas Ca 5 air mi N of Bucks Lake and 2.5 mi S of Highway 70 and the Feather River Cyn, just N of Three Lakes. Ca 0.5 mi E of the Three Lakes trailhead, along the Pacific Crest Trail. Along trail just N of the Grassy Lakes. Few feet from S edge of trail. 1901 Comment
  CHSC55662  Erigeron inornatus var. inornatus K. R. Stern 1985-6-25 8238 Plumas Vicinity of Blairsden. 1402 Comment
  RSA0039303  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-14 15198 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  UCSB16064  Erigeron lassenianus Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  UC1730267  Erigeron lassenianus var. deficiens L. P. Janeway and B. Castro 1995-8-23 4898 Plumas about 1 mi NW of Little Grass Valley Reservoir (junction of Lumpkin Ridge Road and the 94 road; on the divide between Fall River and Black Rock Creek) 1735 Comment
  CAS-BOT-BC295473  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Meadow Valley Comment
  CAS-BOT-BC295488  Erigeron lassenianus var. lassenianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CDA19248  Erigeron lassenianus var. lassenianus G. D. Barbe, T. C. Fuller 1982-6-17 3813 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  UC468812  Erigeron lassenianus var. lassenianus H. M. Hall 1912-6-26 9276 Plumas Butterfly Valley Sierra Nevada Mountains 1158 Comment
  CHSC110374  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC54515  Erigeron petrophilus var. sierrensis Vernon H. Oswald; Beth Corbin 1991-8-13 4824 Plumas Spur road to Middle Campground, located off of Forest Rd 26N26.2, ca. 4 miles south of the PG and E Campground in Humbug Valley. Along the road. 1304 Comment
  CHSC67425  Erigeron petrophilus var. sierrensis James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2568 Plumas Top of Red Mtn. above Rich Gulch Rd., N of Hwy. 70. Comment
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Dec 3 2009
  CHSC98711  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9185 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. 1244 Comment
  SEINET8655788  Eriogonum baileyi var. baileyi W. Harnach 2015-8-6 1436 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  CAS-BOT-BC244048  Eriogonum baileyi var. praebens John Thomas Howell 1955-7-19 30806 Plumas Vinton, Sierra Nevada 1511 Comment
  SEINET8655790  Eriogonum baileyi var. praebens W. Harnach 2015-8-6 1437 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  UC1980603 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. Comment
  CAS-BOT-BC259144  Eriogonum latifolium Gladys L. Smith 1976-5-18 s.n. Plumas Feather River Canyon Comment
  CAS-BOT-BC267326  Eriogonum luteolum var. pedunculatum A. A. Heller; P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Crek below Genessee Comment
  JEPS56731  Eriogonum marifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  RSA70711  Eriogonum marifolium L. S. Rose 1951-6-28 51055 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  RSA766343  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8269 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  CHSC21200  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-17 211 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC264816  Eriogonum nudum var. deductum John Thomas Howell 1973-7-9 49720 Plumas Round Valley, Sierra Nevada 1371 Comment
  JEPS127340  Eriogonum nudum var. deductum Lowell Ahart 2016-7-9 21093 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA766347  Eriogonum nudum var. deductum Joseph A. Ewan 1934-6-25 8205 Plumas Gold Lake Road above Dentens (Blairsden). 1524 Comment
  SD46519  Eriogonum nudum var. deductum Robert J. Weatherly 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin area 2225 Comment
  CHSC53050  Eriogonum nudum var. nudum L. P. Janeway 1989-6-23 3379 Plumas Plumas National Forest Beckwourth Ranger District. Upper w-facing slope on ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  RSA795631  Eriogonum nudum var. nudum L. Ahart 2011-9-17 17660 Plumas On the south side of an unnamed stream that flows east in Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CAS-BOT-BC269723  Eriogonum nudum var. oblongifolium John Thomas Howell 1951-6-26 27542 Plumas Feather River Canyon 853 Comment
  CAS-BOT-BC269725  Eriogonum nudum var. oblongifolium Rimo Bacigalupi 1927-7-12 1725 Plumas At Quincy Junction Station 1066 Comment
  SEINET10479536  Eriogonum ovalifolium var. nevadense Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3873 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  NY773572  Eriogonum ovalifolium var. purpureum Collector unspecified 1880-1 s.n. Plumas Comment
  JEPS56337  Eriogonum spergulinum var. reddingianum W. L. Jepson 1910-6-5 4071 Plumas near Lassen Peak (Warner Valley); Warner Valley 1524 Comment
  CAS-BOT-BC262748  Eriogonum strictum var. anserinum A. A. Heller; P. B. Kennedy 1907-7-5 8741 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC262780  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-23 3380 Plumas Beckwourth Ranger District, Plumas National Forest. Upper w-facing slope in ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  CAS-BOT-BC262784  Eriogonum strictum var. proliferum Clare B. Hardham 1961-6-16 7478 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CAS-BOT-BC267491  Eriogonum umbellatum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley (E. side of valley) 1082 Comment
  NY381117  Eriogonum umbellatum var. dumosum R. M. Austin 1875-1 185 Plumas Comment
  CHSC117557  Eriogonum umbellatum var. modocense Lowell Ahart 2016-7-9 21084 Plumas Top and on the east side of Table Mountain, about two miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC262069  Eriogonum umbellatum var. nevadense John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54276 Plumas Mt. Hough 2203 Comment
  CAS-BOT-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
  JEPS113389  Eriogonum umbellatum var. nevadense Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14050 Plumas About 100 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  JEPS113426  Eriogonum umbellatum var. nevadense Lowell Ahart, John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC63468  Eriogonum umbellatum var. polyanthum Lowell Ahart 1994-7-28 7528 Plumas Northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  CHSC69517  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas On the east side of the dirt road to the siphon, about 1/8 mile north of the siphon, about 1 1/2 miles (air) southwest of Red Hill, about 2 miles (air) northeast of Belden. 792 Comment
  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
  JEPS95072  Eriogonum umbellatum var. polyanthum Lowell Ahart 1997-9-11 7908 Plumas about 2 air mi ne of Belden (about 1 1/2 air mi sw of Red Hill, on e side of the dirt road to the siphon, about 1/8 mi n of the siphon) 792 Comment
  LA207055  Eriogonum umbellatum var. polyanthum C. W. Hallis; 1928-6-30 sn Plumas Mount Lassin National Forest, From the inside of the crater of Cinder Cave, Drakesbad Comment
  CAS-BOT-BC262263  Eriogonum ursinum John Thomas Howell 1975-7-22 51366 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC262265  Eriogonum ursinum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2204 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  CDA14677  Eriogonum ursinum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3120 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  NY622269  Eriogonum ursinum M. E. P. Ames s.n. Plumas Comment
  UC485764  Eriogonum ursinum H. E. and S. T. Parks June, 1928 229 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  UC77781  Eriogonum ursinum Mrs. R. M. Austin 1876-1 Plumas American Valley Comment
  RSA766450  Eriogonum ursinum Joseph A. Ewan 1934-7-16 8528 Plumas Between Long lake and Mt Elwell Summit 2104 Comment
  SEINET5332054  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Little Grizzly Creek. Comment
  SEINET5332058  Eriogonum ursinum M. J. Williams, Emily McPherson 1974-8-5 74 -P-13 Plumas Lake's Basin. Trail from Silver Lake to Mt. Elwell. 2164 Comment
  CHSC118364  Eriogonum ursinum var. erubescens Dean Wm. Taylor 2012-7-18 21271 Plumas Flora of the Cascade Ranges SPI forestry division - rare plant program. Western flank Dyer Mountain, along logging roads ca 1 mile E of eastern shore of Lake Almanor; 1508 Comment
  CHSC40865  Eriogonum vimineum K. R. Stern 1985-6-25 8215 Plumas Vicinity of Blairsden. 1371 Comment
  CHSC43022  Eriogonum vimineum L. P. Janeway; C. A. Janeway 1986-7-22 1785 Plumas Base of rocky road cut in cyn of East Branch North Fork Feather River along hwy 70 3 mi east of confluence with North Fork Feather River. 472 Comment
  CHSC97100  Eriogonum vimineum Lowell Ahart; Josephine Guardino 2007-7-20 14318 Plumas Along a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS56137  Eriogonum vimineum W. L. Jepson 1939-8-8 19350 Plumas Meadow Valley 1158 Comment
  CAS-BOT-BC264119  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp near Belden 670 Comment
  SEINET10479590  Eriogonum vimineum Mary Susan Taylor 1981-7-27 Taylor 4142 Plumas T25N R11E NW 1/4 sec 12. Genesse Valley quad. On granite embankment E side of 25N42 Flournoy Grade, 1.3 mi S of Flour- noy Bridge, ca. 3 mi E of Genesse. 4400 ft. 1341 Comment
  SEINET3160097  Eriogonum vimineum E. K. Balls 1950-9-5 15675 Plumas La Porte Road, 3 miles south of turnoff from Hwy 24, east of Quincy 1219 Comment
  CHSC58181  Eriophorum gracile Vernon H. Oswald 1992-6-18 5005 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  SJSU14723  Eriophyllum lanatum N. A. Hopkins 1991-6-28 1693 Plumas between Milford Fork & Doyles Crossing on road from Red Clover Valley to Janesville 1524 Comment
  UC614532  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-9 2310 Plumas 7.3 mi se Quincy; Middle Fork of the Feather River 1219 Comment
  JEPS26678  Eriophyllum lanatum var. grandiflorum P. C. Hutchison 1961-6-9 2110 Plumas 2 mi s (below) Rich Bar (along highway US alt 40 on cliff above road); canyon of the North Fork of the Feather River Comment
  CAS-BOT-BC301418  Eriophyllum lanatum var. grandiflorum Clare B. Hardham 1961-6-15 7399 Plumas Sierra Nevada Mountains. Intersection of roads to Lassen and to Taylorsville (between Quincy and Engelmine) 1219 Comment
  HSC22971  Erysimum capitatum John Pratt 1970-6-30 53 Plumas Humboldt Summit Comment
  SFV8748  Erysimum capitatum J. D. Watjen 1969-5-4 37 Plumas Sierra Nevada Feather River Canyon near confluence of Rock Creek and North Fork Feather River, 0.75 miles from Highway 70. 503 Comment
  CAS-BOT-BC55103  Erysimum perenne Anna Head 1920-7-13 s.n. Plumas Feather River Region. Gray Eagle Falls. 1859 Comment
  CAS-BOT-BC153746  Erythranthe alsinoides Mrs. H. C. Cantelow 1938-7-5 s.n. Plumas Near Drakesbad Comment
  CHSC95008  Erythranthe guttata Lowell Ahart 2006-10-23 13484 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
  SEINET14291770  Erythranthe guttata W. Harnach, N. Harnach 1990-6-19 406 Plumas Sierra Valley, Sugarloaf Road. 1643 Comment
  CAS-BOT-BC494093  Erythranthe suksdorfii William Harnach 2000-6-4 904 Plumas Sierra Valley, approx. 1 mi N of the Crocker Guard Station 1737 Comment
  RSA0091209  Erythronium Bonnie C. Templeton 1968-1 11282 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS100358  Erythronium purpurascens Dean W. Taylor 2001-6-6 17780 Plumas ridge about 1 mile North of Lexington Hill (ca. 1.5 air miles NW of La Porte) 1706 Comment
  SD6486  Erythronium purpurascens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  UC1042408  Erythronium purpurascens John Thomas Howell 1951-6-28 27684 Plumas Eureka Peak 1981 Comment
  POM253321  Eschscholzia californica var. crocea A. A. Heller 1938-7-2 15239 Plumas 3 miles east of Quincy. 1098 Comment
  CAS-BOT-BC310383  Eucephalus breweri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC310385  Eucephalus breweri Ella Dales Cantelow 1941-7-20 3594 Plumas 10 mi. s. of Quincy. Rd to La Porte 1981 Comment
  CHSC104758  Eucephalus breweri L. P. Janeway 2010-8-19 10164 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 0.5 km southwest of Road 22N27 (Lumpkin Road). 1761 Comment
  UC1075648  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell Lakes Basin Area, Mt. Elwell 2286 Comment
  SEINET10475033  Eupatorium occidentale Mary Susan Taylor 1981-7-21 Taylor 4097 Plumas T24N R11E ne/ne sec 17, Spring Garden quad. Argentine Lookout, ca. 0.5 mi SW of 26N2l-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 7200 ft elev. 2194 Comment
  CAS-BOT-BC310531  Eurybia integrifolia Anna Head 1921-8-3 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC92123  Eurybia integrifolia Lowell Ahart; John Dittes 2005-9-20 12424 Plumas Southwest side of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  HSC93233  Eurybia integrifolia Vernon H. Oswald, L. Ahart 1996-8-14 8148 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  UC86942  Eurybia radulina Mrs. R. M. Austin 1896-9-1 452 Plumas American Valley, Gray Hills American Valley Comment
  CHSC81752  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1365 Comment
  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
  CAS-BOT-BC278850  Festuca occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2168 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC278854  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  UC1146574  Festuca pratensis Freed W. Hoffman 1946-6-11 1835 Plumas near Mohawk Comment
  CDA14656  Festuca rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3086 Plumas east of Lariat Lodge, Highway 70/89, East Quincy. 1036 Comment
  CHSC102433  Festuca rubra L. P. Janeway; B. Castro 2009-7-12 9854 Plumas Northern High Sierra Nevada. Lower Thompson Valley 2.1 km north of Red Clover Creek. 1678 Comment
  POM112017  Festuca rubra Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC278632  Festuca subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54381 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  UC170954  Floerkea proserpinacoides H. M. Hall 1912-7-8 9318 Plumas Sierra Nevada Mountains, Long Lake Long Lake; Sierra Nevada Mountains, Long Lake 2072 Comment
  CHSC61612  Fragaria vesca Arthur C. Barrett 1913-6-23 10 Plumas Plumas National Forest. Lone Rock Valley. 1005 Comment
  SEINET10483133  Fragaria virginiana var. platypetala Mary Susan Taylor 1982-6-2 Taylor 4594 Plumas T23N R12E ne/ne sec 21. Johnsville quad. Along Jackson Creek 0.5 mi s of jct of Jackson Creek and 23N48 & 23N83, ca. 5 air mi n of Mohawk, ca. 1 air mi ne of Mt Jackson. 5900 ft. 1798 Comment
  UCSB26133  Frangula californica subsp. tomentella Belshaw, Charles 1940-5-20 Plumas Between Belden and Longville on tributary of Yellow Creek. Comment
  CAS-BOT-BC55688  Frangula purshiana Walter Knight; Irja Knight 1966-6-18 s.n. Plumas Beargrass Glade 1158 Comment
  JEPS119733  Frangula purshiana subsp. annonifolia Lowell Ahart 2012-7-1 18255 Plumas About 200 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  UC650348  Frangula rubra E. Fritz 1940-5-22 Plumas near Univ. of Calif. Forestry Camp; Meadow Valley Creek Comment
  SEINET10493570  Frangula rubra Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3819 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  CAS-BOT-BC504388  Fritillaria E. K. Balls 1950-8-30 15504 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork Feather River 609 Comment
  UCD139690  Fritillaria Grady L. Webster 1992-5-17 7762 Plumas ca. 2 miles southwest of Grizzley Valley Dam. 1737 Comment
  CHSC107463  Fritillaria atropurpurea Matt Simenc; Rebecca Joyner 2011-7-2 26 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  CAS-BOT-BC505268  Fritillaria atropurpurea Mary Strong Clemens 1920-1-1 s. n. Plumas Greenville Comment
  CAS-BOT-BC506204  Fritillaria micrantha G. Earle Kelley 1921-7-1 s.n. Plumas Greenville Comment
  UC144675  Fritillaria pudica Mrs. R. M. Austin 1878-1 304 Plumas Indian Valley Comment
  CHSC21708  Galium F. T. Griggs; A. Pass 1975-7-3 78 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC43364  Galium bifolium Lowell Ahart 1975-7-20 910 Plumas West of Bunker Hill Creek, about 1mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 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
  SEINET10500690  Galium bifolium Mary Susan Taylor 1981-6-17 Taylor 3926 A Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  CHSC102119  Galium bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam. 1591 Comment
  CHSC58513  Galium bolanderi Vernon Oswald; Lowell Ahart 1992-7-6 5070 Plumas Lassen Volcanic National Park. On Kelly Mtn. Ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1792 Comment
  JEPS26661  Galium bolanderi Lauramay T. Dempster 1961-6-15 1462 Plumas top of peak near Engelmine 1950 Comment
  JEPS6711  Galium bolanderi W. L. Jepson 1939-8-6 19341 Plumas Spring Hill Meadow Valley 1219 Comment
  CHSC62496  Galium grayanum var. grayanum L. P. Janeway 1993-8-5 4504 Plumas Plumas National Forest, La Porte Ranger District. Along Quincy-La Porte Road (Rd 511) 0.4 mi southwest of Onion Valley Creek crossing; ca 1.3 mi northwest of Pilot Peak. 1895 Comment
  CHSC63471  Galium grayanum var. grayanum Lowell Ahart 1994-7-20 7478 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
  CHSC80874  Galium grayanum var. grayanum Lowell Ahart 2001-7-17 8928 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC1523184  Galium trifidum M. S. Taylor 1982-8-17 5005 Plumas ca 5 air mi ne Sloat (s side of lake); Mt. Ingalls Quad., Little Summit Lake 1798 Comment
  CHSC81153  Galium trifidum var. pacificum Lowell Ahart 2001-8-28 9204 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  JEPS29544  Galium trifidum var. pacificum John Thomas Howell 1960-7-18 35519 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  RSA0105477  Galium trifidum var. subbiflorum Lowell Ahart 2014-8-31 19820 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  SJSU11541  Galium triflorum H. L. Buckalew 1964-7-25 Plumas Bucks L 1584 Comment
  CAS-BOT-BC144397  Garrya fremontii John Thomas Howell 1959-9-21 34780 Plumas N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC169856  Garrya fremontii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54374 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  UC338309  Garrya fremontii unknown 1889-5-25 Plumas Mohawk Valley Comment
  UC54498  Garrya fremontii H. M. Hall and E. B. Babcock Jul 1903 4439 Plumas Indian Creek; Sierra Nevada Mountains 1097 Comment
  CDA13762  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13496 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  JEPS27554  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1939-8-7 19344 Plumas Meadow Valley 1158 Comment
  CHSC52730  Gayophytum heterozygum L. P. Janeway 1990-8-29 3842 Plumas Plumas National Forest. E-facing flank near the top of Mt Ingalls. 2438 Comment
  CHSC53203  Gayophytum humile L. P. Janeway 1989-6-14 3311 Plumas Plumas National Forest. Along s'ly side of Red Clover Valley. 1685 Comment
  CHSC62151  Gayophytum humile L. P. Janeway 1993-7-21 4467 A Plumas Plumas National Forest. Southwest side of Red Clover Valley, 0.9 mi southeast of Clover Valley Ranch; 200 ft south of the Beckwourth-Genesee Road along logging spur 24N66X. Along edge of dirt road. 1685 Comment
  SEINET12193546  Gayophytum nuttallii I. Knight, Knight, W. 1983-1 4901 Plumas near North Fork of Feather River at confluence of Warner Creek on rd b/w Drakesbad and Chester Comment
  CHSC62152  Gayophytum racemosum L. P. Janeway 1993-7-21 4467 B Plumas Plumas National Forest. Southwest side of Red Clover Valley, 0.9 mi southeast of Clover Valley Ranch; 200 ft south of the Beckwourth-Genesee Road along logging spur 24N66X. 1685 Comment
  UC1176844  Gayophytum ramosissimum Lewis S. Rose 1955-7-19 55153 Plumas Beckworth Pass 1493 Comment
  JEPS23193 Image available Gayophytum ramosissimum var. obtusum W. L. Jepson 1918-8-2 7755 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  CHSC81377  Gentiana newberryi Lowell Ahart 2001-9-18 9271 Plumas Small stream, south of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  UC338823  Gentianopsis holopetala unknown 1137 Plumas Butterfly Valley Comment
  CAS-BOT-BC143554  Geum triflorum L. P. Janeway; Jannice Cutler 1992-5-21 4190 Plumas East end of Dotta Neck in Dotta Canyon 4.0 mi southeast from the Beckwourth-Genesee Road 1722 Comment
  JEPS113799  Gilia capillaris Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13994 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  SEINET10496735  Gilia capillaris Mary Susan Taylor 1981-8-4 Taylor 4156 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  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
  UC172848  Gilia capitata subsp. mediomontana A. A. Heller 1913-6-13 10859 Plumas near Quincy; near Quincy 1066 Comment
  RSA63405  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-6-13 8579 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  CDA12089  Gilia inconspicua G. F. Hrusa, G. L. Webster 1989-5-1 7020 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  SEINET12326104  Gilia leptalea W. Knight, Knight, I. 1983-1 4895 Plumas between Chester and Drakesbad, Warner Creek Campground 1539 Comment
  UCR88007  Gilia leptalea subsp. leptalea Lowell Ahart 1981-7-21 2968 Plumas Along Cleghorn Bar Rd. near Pilot Peak 1900 Comment
  SEINET10464616  Githopsis specularioides A. Arthur Heller 1913-6-13 Heller 10840 Plumas Near Marston Station 1067 Comment
  CAS-BOT-BC283878  Glyceria borealis John Thomas Howell 1973-7-9 49725 Plumas At outlet of Round Valley Reservoir 1371 Comment
  JEPS102769  Glyceria borealis Lowell Ahart 2001-8-28 9189 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CAS-BOT-BC282696  Glyceria elata L. P. Janeway 1991-8-4 4123 Plumas Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley, Beckwourth Ranger District, Plumas National Forest 1691 Comment
  CAS-BOT-BC282703  Glyceria elata John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1501 Plumas Along road at Fern Glen, Butterfly Botanical Area and Vicinity 1097 Comment
  JEPS28296  Glyceria elata George W. Gillett 1957-7-18 828 Plumas n shore Willow Lake; Lassen Volcanic National Park 1661 Comment
  SEINET10966590  Glyceria elata Patricia L. Kenney 1973-6-5 Kenney 430 Plumas Along a stream along HWY 70. 6 mi S of jct of HWYs 89 & 70. Comment
  SEINET11826501  Gnaphalium microcephalum var. thermale Unknown 1975-1 s.n. Plumas SW side of Lake Almanor Comment
  CAS-BOT-BC307380  Gnaphalium palustre John Thomas Howell 1961-9-23 36876 Plumas Cooks Creek near Englemine, Sierra Nevada 1082 Comment
  CAS-BOT-BC307384  Gnaphalium palustre Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1406 Plumas Pond reservoir to the southwest, Butterfly Botanical Area and Vicinity 1097 Comment
  CDA14697  Gnaphalium palustre G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC44876  Gnaphalium palustre Lowell Ahart 1974-7-30 560 Plumas On a mountain side, about 1/2 mile north of the Bunker Hill Mine, about 12 air miles north-east of La Porte. 1676 Comment
  CHSC65327  Gnaphalium palustre Lowell Ahart 1995-10-1 7643 Plumas On the bottom of the drying pond, Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC92164  Gnaphalium palustre Lowell Ahart; John Dittes 2005-9-19 12390 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  RSA201320  Gnaphalium palustre J. T. Howell 1959-9-22 34865 Plumas Lassen Volcanic National Park: Drakesbad. 1677 Comment
  RSA59685  Gnaphalium palustre E. K. Balls 1950-9-9 15752 Plumas West of Lakes Center Public Campground at south end of small lake. 2043 Comment
  CHSC32862  Gratiola ebracteata L. Ahart 1980-10-6 2676 Plumas Ca. 1 mi south of La Porte. 1600 Comment
  SEINET5709450 Image available Grindelia squarrosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7718 Plumas Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  CHSC59897  Grindelia squarrosa var. serrulata L. P. Janeway 1992-8-6 4286 Plumas Along Hwy 70, on south side of East Branch Feather River at Soda Creek; 2.8 mi east of Crystal Springs, 4.6 mi east of Grays Flat. Road shoulder. 899 Comment
  JEPS113897  Grindelia squarrosa var. serrulata L. P. Janeway and B. Castro 2007-8-18 9203 Plumas Northern High Sierra Nevada; Along Hwy 70/89 2.0 km NW of Greenhorn Ranch Road; about 1.6 km NW of Spring Garden. 1192 Comment
  RSA235923  Hackelia amethystina J. L. Gentry Jr., David Vierig 1968-6-21 2083 Plumas Mt. Hough, 8.3 miles northeast of Quincy on Mt. Hough-Crystal Lake Road, Rinehart Meadow 1707 Comment
  SEINET3153249  Hackelia californica L. S. Rose 1939-6-8 39271 Plumas South end of Lake Almanor 1372 Comment
  UC881732  Hackelia californica Lewis S. Rose 1939-6-8 39271 Plumas s end of Lake Almanor 1371 Comment
  CDA36316  Hackelia cusickii J. R. Keck Jr., Horn 1991-6-18 PDR# 566841 Plumas Along U.S. Forest Service Road 24N02Y; northwest of Frenchman Lake and Chilcoot. 0 Comment
  CHSC72304  Hackelia micrantha L. P. Janeway; Glenn Clifton 1998-7-8 5724 Plumas Snoring Spring; about 15 mi northwest of Red Rock; along Road 213, 0.8 mi south of the ridgetop. Meadow. 2002 Comment
  UC1075636  Hackelia micrantha Robert J. Weatherby 1950-8-11 1525 Plumas Springy area side of Mount Elwell; , Lakes Basin Area 2225 Comment
  CDA14584  Hackelia nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3068 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UCR244687  Hackelia nervosa J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-22 54113 Plumas Sierra Nevada Mtns., 10.6 miles NE of LaPorte on road [LaPorte Rd.] to Quincy 1890 Comment
  CAS-BOT-BC508333  Hastingsia alba John Thomas Howell 1951-6-26 27533 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CAS-BOT-BC508335  Hastingsia alba John Thomas Howell 1962-6-16 37646 Plumas Feather River North Fork on road to Caribou, Sierra Nevada 731 Comment
  CAS-BOT-BC508340  Hastingsia alba Walter Knight; Irja Knight 1966-6-18 1292 Plumas Butterfly Valley, Sierra Nevada 1112 Comment
  RSA609432  Hastingsia alba Louis C. Wheeler 1958-7-28 7338 Plumas Sierra Nevada: South Fork Rock Creek, ca. 1/2 mile E of Bottle Springs, near Quincy 1584 Comment
  CAS-BOT-BC314792  Helianthella californica var. nevadensis Clarence R. Quick 1952-6-29 52 -78 Plumas Summit of road between Belden and Humbug Valley, Sierra Nevada 1486 Comment
  CAS-BOT-BC314797  Helianthella californica var. nevadensis Mrs. A. H. Rodda 1932-7-1 s.n. Plumas Gold Lake Comment
  CDA6427  Helianthella californica var. nevadensis T. R. Haig 1962-8-9 Plumas 2 miles south of Graeagle. Comment
  CAS-BOT-BC305539  Helianthus bolanderi A. R. Kruckeberg 1954-8-4 3699 Plumas Highway 89, w. shore of Lake Almanor 1676 Comment
  RSA59753  Helianthus bolanderi E. K. Balls 1950-9-15 15800 Plumas 2 miles east of S tip of Lake Almanor, between Greenvillle and Lake Alamnor, Hwy 89 1402 Comment
  CAS-BOT-BC310127  Hemizonella minima Anna Head 1921-7-5 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC315020  Hemizonella minima A. A. Heller 1913-6-13 10843 Plumas Near Marston Station 1066 Comment
  CAS-BOT-BC315024  Hemizonella minima Lewis S. Rose 1954-5-30 54058 Plumas Johnsville 1600 Comment
  CAS-BOT-BC55286  Hesperis matronalis John Thomas Howell; Gordon H. True 1967-6-11 42568 A Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CHSC57286  Hesperochiron californicus L. P. Janeway 1991-5-14 3963 Plumas Plumas National Forest. 1 1/4 mi west of Delleker and Humbug Creek; 1/2 mi northwest of Hwy 70; ca 3 mi west of Portola. 1484 Comment
  SBBG32353  Hesperolinon micranthum L. S. Rose 1967-7-11 Plumas Mt Hough Rd, 2 mi NE of Quincy Junction 1219 Comment
  UCD110550  Hesperolinon micranthum Lewis S. Rose 1967-7-11 67158 Plumas Mt. Hough Road, 2 mi. ne. of Quincy Junction. 1219 Comment
  UCD19159  Hesperolinon micranthum June McCaskill 1956-1 418 Plumas Lake Almanor region? Comment
  CAS-BOT-BC311018  Heterotheca oregona John Thomas Howell 1974-9-19 50886 Plumas Near Rogers Flat on edge of Feather River Highway 609 Comment
  RSA718507  Heterotheca oregona var. compacta L. P. Janeway 2006-10-1 8897 Plumas Northern High Sierra Nevada. Along Hwy 70 0.5 road km S of Rock Creek Reservoir dam, and above North Fork Feather River. 671 Comment
  JEPS95125  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  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
  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-BC425156  Heuchera rubescens M. S. Taylor 1982-8-5 4933 Plumas Mt Hough summit on cliff above Crystal Lake, ca. 7 mi nne of Quincy. 2203 Comment
  CDA5020  Hibiscus trionum J. Budaj 1965-8-17 Plumas Just east of Quincy. 0 Comment
  CAS-BOT-BC319606  Hieracium albiflorum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC319615  Hieracium albiflorum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1468 Plumas Butterfly Canyon, Butterfly Botanical Area and vicinity 990 Comment
  CAS-BOT-BC319613  Hieracium albiflorum W. R. Ernst 1957-8-9 205 Plumas Near Devils Kitchen, Mt. Lassen National Volcanic Park Comment
  UCD133112  Hieracium bolanderi Flora C. Hayes 1932-7-25 s.n. Plumas exact location unknown. Comment
  JEPS94969  Hieracium horridum Lowell Ahart 1997-8-28 7873 Plumas about 1 mi e of the Bunker Hill Mine (on s side of the dirt road, just w of Hopkins Creek) 1706 Comment
  CAS-BOT-BC123634  Hieracium occidentale Alice Eastwood 1927-6-14 14583 Plumas United States Forest Reserve. Forest Lodge, Greenville. Comment
  CDA13928  Hieracium scouleri var. nudicaule G. F. Hrusa, T. D. Wilfred 1997-5-3 13853 Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  SD130501  Hippuris vulgaris Fred Sommers 1976-8-23 225 Plumas Sierra Valley Marsh 1524 Comment
  SACT001309  Hordeum brachyantherum Michael Baad 1976-8-7 Plumas 1 mile west of trailhead to Bear Lake to trailhead along road to Rubicon Springs from Lake Tahoe. 2011.0 Comment
  SEINET10507463  Hordeum brachyantherum Mary Susan Taylor 1982-6-28 Taylor 4768 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC285105  Hordeum marinum subsp. gussoneanum John Thomas Howell 1955-7-19 30784 Plumas Vinton 1505 Comment
  POM182558  Horkelia fusca subsp. tenella J. B. Feudge 1929-7-17 2061 Plumas Damp meadow near Chester. 1829 Comment
  SEINET6759260  Horkelia fusca subsp. tenella A. A. Heller, P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  SEINET784708  Horkelia fusca var. parviflora Joseph Andorfer Ewan 1934-7-8 8591 Plumas Sierra Nevada, Camp Caldwell, Dentens, Mohawk Valley 1615 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
  UC473554  Horkelia tridentata subsp. tridentata L. S. Rose 1931-4-14 Plumas Woodleaf Comment
  RSA189390  Hydrophyllum occidentale L. S. Rose 1967-7-11 67166 Plumas Mt. Hough, 1.3 miles S of summit. 2043 Comment
  CAS-BOT-BC312845  Hymenoxys lemmonii Alice Eastwood 1927-6-27 14898 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  CHSC64844  Hypericum anagalloides Vernon H. Oswald 1995-6-24 6913 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Forming localized colonies in drier places in a streamside meadow on the e side of the road. 1371 Comment
  SEINET5343944  Hypericum anagalloides M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge above Johnsville. Wet meadow below road. 2271 Comment
  CDA13966  Hypericum formosum var. scouleri G. F. Hrusa 1996-8-2 13429 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock.Trib. of Squirrel Creek. Comment
  JEPS66824  Hypericum formosum var. scouleri H. L. Mason 1924-6-26 Plumas Blairsden Comment
  CAS-BOT-BC401442  Hypericum scouleri W. W. Wagner 1919-7-2 306 Plumas Taylor Creek 1219 Comment
  SD7661  Ipomopsis aggregata Daniel Cleveland 1882-7-21 Plumas Saw mill, Big Meadows. Comment
  CAS-BOT-BC133505  Iris John Thomas Howell; H. Keith Wagnon 1980-5-27 53678 Plumas Indian Hill north of Quincy 1097 Comment
  RSA0091941  Iris Bonnie C. Templeton 1968-1 11299 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC135729  Iris hartwegii Walter Knight; Irja Knight 1967-5-22 1810 Plumas Butterfly Botanical Area and Vicinity, between valley proper and Darlingtonia bot in forest. 1082 Comment
  UCR3614  Iris hartwegii Wm. Horn Jr. 1963-6-19 630619 7 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  SEINET10839646  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-6-1 Taylor 4584 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
  UC1174770  Iris hartwegii subsp. pinetorum L. W. Lenz and E. K. Balls 1956-6-19 21839 Plumas 1.2 mi. e. along State Hwy. 89 after leaving Lake Almanor 1417 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
  CHSC102037  Isoetes bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse. 1677 Comment
  CDA8049  Iva axillaris N. A. Overgaard 1959-5-28 Plumas Loyalton. 0 Comment
  CHSC55186  Iva axillaris L. P. Janeway 1989-9-6 3646 Plumas Plumas National Forest. Along the Beckwourth-Genesee Road (road 111) 7.0 mi north of Beckwourth. 1729 Comment
  SEINET10938086  Iva axillaris Mary Susan Taylor 1982-9-13 Taylor 5136 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC137406  Ivesia aperta David D. Keck; A. Gustafsson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  RSA718510  Juncus acuminatus L. Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  CHSC101997  Juncus balticus subsp. ater L. P. Janeway; B. Castro 2009-8-29 9936 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
  SJSU13952  Juncus balticus subsp. ater N. A. Hopkins 1985-7-26 1298 Plumas Marble Hot Springs Rd neare Marble Hot Springs, Sierra Valley 1524 Comment
  UCD141359  Juncus bufonius L. Ahart 1981-9-6 3106 Plumas Indian Creek, about 1/2 mile southwest of the intersection of Highway 89 and Arlington Road, about 1.5 miles southwest of Crescent Mills. 1097 Comment
  CHSC81173  Juncus bufonius var. bufonius Lowell Ahart 2001-8-29 9248 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC99828  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15064 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
  CHSC53718  Juncus bufonius var. occidentalis L. P. Janeway 1989-7-7 3463 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. Along dry edge of small meadows below the spring. 1737 Comment
  CHSC97582  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2007-6-16 14106 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS113859  Juncus confusus Lowell Ahart, Josephine Guardino 2007-7-20 14311 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
  CHSC113860  Juncus covillei Lowell Ahart 2014-9-9 ' 9853 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
  CHSC32858  Juncus covillei L. Ahart 1980-10-6 2675 Plumas On the floor of a hydraulic mine ca. 1 mi s of La Porte. 1600 Comment
  RSA59260  Juncus covillei E. K. Balls 1950-8-31 15561 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  SEINET10945580 Image available Juncus dubius R. M. Austin 1880-1 Austin s.n. Plumas Comment
  SD147655  Juncus effusus subsp. effusus Lowell Ahart 1980-10-6 2665 Plumas Sierra Nevada, lake, I(c) mile west of Fowler Park, Red Fir forest. 1700 Comment
  UCD141509  Juncus effusus subsp. pacificus John Thomas Howell 1960-7-20 35770 Plumas Boiling Springs Lake. Lassen Volcanic National Park. 1798 Comment
  CDA13754  Juncus ensifolius G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13486 Plumas Sierra Nevada; E of upper Bull Run Creek off USFS 23N12E. Comment
  JEPS104613  Juncus ensifolius Lowell Ahart 2003-7-18 10422 Plumas On sides of a drainage in a meadow, on n side of the road, ca 1/4 mi w of Lumpkin Ridge Rd, ca 1 1/2 mi se of Tamarack Flat, ca 1 1/2 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 1/2 mi (air) nw of La Porte. 1709 Comment
  RSA286271  Juncus ensifolius Robert F. Thorne 1974-7-30 45009 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA794951  Juncus ensifolius L. Ahart, John Dittes 2009-7-27 16176 Plumas About 5 yards northwest of the small dry pond, headwaters of Grizzly Gulch, 2.1 air miles northeast of Butt Valley Reservoir Dam. 1480 Comment
  UCD141537  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  RSA95515  Juncus ensifolius J. T. Howell 1951-8-20 28199 Plumas Indian Valley. 1067 Comment
  CHSC108107  Juncus exiguus Lowell Ahart 2011-9-17 17667 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC101959  Juncus howellii Lowell Ahart; John Dittes 2009-7-27 16177 Plumas High bank on the north side of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC97313  Juncus laccatus Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  JEPS115976  Juncus laccatus Lowell Ahart, John Dittes 2009-7-13 16035 Plumas On dry to damp soil, edge of a seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  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
  JEPS113757  Juncus luciensis Lowell Ahart, John Dittes 2007-6-16 14097 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CDA28694  Juncus macrandrus L. Ahart 2008-8-14 15213 Plumas About 100 yards north of the paced 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. Elevation: 5240 (GPS) feet. 0 Comment
  CHSC61688  Juncus mertensianus L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4492 Plumas Plumas National Forest. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  CDA13976  Juncus nevadensis G. F. Hrusa 1996-8-2 13440 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. . Comment
  CHSC110620  Juncus nevadensis B. Castro; L. Janeway 2006-9-9 1614 Plumas High Cascade Range. West shore of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek), off W end of USFS Rd 29N02Y. 1981 Comment
  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
  CHSC92197  Juncus orthophyllus Lowell Ahart; John Dittes 2005-9-19 12418 Plumas Along the west side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  JEPS102502  Juncus orthophyllus Lowell Ahart 2001-7-17 8899 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UC367019  Juncus oxymeris unknown Jul 1875 478 Plumas Indian Valley, n California Indian Valley Comment
  CHSC21695  Juncus parryi F. T. Griggs; A. Pass 1975-7-13 179 Plumas Gold Lake. Comment
  CDA13854  Juncus saximontanus G. F. Hrusa, T. D. Wilfred 1996-8-2 13459 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC52754  Juncus tenuis Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca. 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS115978  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -A Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS122237  Juncus tenuis Lowell Ahart 2014-9-9 19852 Plumas Below the high water line, on the west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS48233  Juniperus occidentalis R. E. Burton 1939-7-20 Plumas Willow Creek Willow Creek (e Plumas Co., near Ru<e,l?>ford, Lassen Co) Comment
  CHSC21594  Kalmia polifolia subsp. microphylla L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Comment
  RSA150585  Keckiella breviflora subsp. glabrisepala Lee W. Lenz 1961-6-20 24351 Plumas Feather River Canyon. 488 Comment
  CHSC59931  Keckiella lemmonii L. P. Janeway 1992-7-31 4281 Plumas South-facing slopes in canyon of North Fork Feather River; near creek along the Chambers Creek Trail, ca 0.1 mi from Hwy 70 (along old powerline access road). 633 Comment
  CHSC66770  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart 1996-8-14 8164 Plumas Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Norther High Sierra Nevada. 1706 Comment
  CHSC84371  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  SEINET10607091  Koeleria macrantha John Thomas Howell 1962-6-18 Howell 37779 Plumas Sierra valley near Beckwourth. 1487 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC74069  Kyhosia bolanderi B. Castro; L. Gehrung 1996-8-8 710 Plumas Ca 3 air mi S of Bucks Lake, 100 ft E of USFS Rd 23N18, ca 0.5 mi S of the serpentine outcrop at jcn of Rds 23N18, 15, and 69. In a meadow at northern branch of headwaters of East Branch Coldwater Creek. 1767 Comment
  CHSC113861  Lactuca serriola Lowell Ahart 2014-9-9 19861 Plumas On the north side of the gravel road, on the west side of Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. 1126 Comment
  CHSC34881  Lagophylla ramosissima M. S. Taylor 1981-8-31 4252 Plumas S side of Hwy 89, ca. 0.5 mi s of Clio. 1341 Comment
  CHSC79463  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa; B. Smith 1996-7-15 13224 Plumas Northern California. Sierra Nevada -- Plumas National Forest. Roadside near inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  HSC14212  Lamium amplexicaule R. J. Vernimen 1963-5-4 47 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  UCD38330  Lathyrus brownii Beecher Crampton 1954-5-10 1868 Plumas 1 mile west of Portola. 1470 Comment
  CHSC58029  Lathyrus nevadensis var. nevadensis Vernon H. Oswald 1992-5-21 4946 Plumas Warner Valley on the N side of Hot Springs Creek just within the park boundary. 1606 Comment
  SEINET10970296  Lathyrus pauciflorus subsp. pauciflorus Mary Susan Taylor 1982-5-14 Taylor 4451 Plumas T22N R13E nw/nw sec 14. Portola quad. On forested slopes, above Turner Springs Rd, ca. l mi s of Hwy 114(Clio-Portola Rd), ca. 2 air mi sw of Portola. 5300 ft. 1615 Comment
  CHSC34302  Leersia oryzoides L. Ahart 1981-9-6 3116 Plumas India n 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
  CHSC103126  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16118 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  UC1028652  Lemna turionifera Robert J. Weatherby 1950-7-21 1474 Plumas e of Quincy 1036 Comment
  SD6678  Lepechinia calycina Mrs. R. M. Austin Jun 1883 Plumas Big Chico Creek, Big Meadow. Comment
  CAS-BOT-BC88776  Lepidium appelianum J. Budaj 1962-7-11 s.n. Plumas Highway 40, 0.25 mile west of Vinton. Comment
  CHSC60074  Lepidium campestre L. P. Janeway 1992-7-1 4247 Plumas Plumas National Forest. Pasture flat between Middle Fork Feather River and Mohawk Ranger Station, just west of Bonta Creek. 1325 Comment
  CHSC97550  Lepidium campestre Lowell Ahart; John Dittes 2007-6-17 14161 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UCD115845  Lepidium perfoliatum E. Sawyer 1935-6-10 86 Plumas 2 1/2 miles S.S.W. of Sugarloaf. 1493 Comment
  CHSC80854  Leptosiphon harknessii Lowell Ahart 2001-7-17 8918 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  UC1558003  Lesquerella occidentalis subsp. occidentalis Barbara Ertter with Gary Schoolcraft 1989-7-3 8668 Plumas ca. 7 air mi s Susanville (Diamong Mt. Peak, bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  CHSC55661  Leucanthemum vulgare K. R. Stern 1985-6-25 8235 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC342082  Leucanthemum vulgare John Thomas Howell 1976-7-16 51885 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC342087  Leucanthemum vulgare John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2356 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  SEINET8480548  Leucocrinum montanum W. Harnach 1989-4-16 029 Plumas Sierra Valley, Roberti Ranch, 0.5 mile W of RR crossing on A-24 (Dyson Lane). 1489 Comment
  CAS-BOT-BC508373  Leucocrinum montanum W. Harnach; N. Harnach 1989-4-16 029 Plumas 1/2 mile west of RR crossing on A-24, Roberti Ranch, Sierra Valley 1488 Comment
  UC725522  Leucocrinum montanum A. A. Heller 1942-5-8 16468 Plumas w of Vinton 1524 Comment
  SEINET11262174  Leucothoe davisiae Robert L. Johnson, Mikel R. Stevens 2015-7-11 3953 Plumas Northern High Sierra Nevada. 0.6 rd mi S of jct with Cold Water Rd and Red Mtn Road on Gravel Range Rd. Ca 3.5 air mi south of Bucks Lake.; 0 1771 Comment
  CAS-BOT-BC444562  Lewisia triphylla John Thomas Howell 1960-7-22 35897 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444567  Lewisia triphylla A. A. Heller 1915-7-7 12063 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC444571  Lewisia triphylla Catherine Best 1984-6-19 1013 Plumas Lakes Basin Camp Ground Comment
  SEINET5336590  Lewisia triphylla M. J. Williams 1965-6-24 s.n. Plumas Long Valley near Cromberg. 1707 Comment
  RSA129540  Leymus condensatus E. Sawyer 1935-6-14 103 Plumas 3/4 mile W. of Sugarloaf; Sierraville 1524 Comment
  SEINET10531229  Libocedrus decurrens Bonnie C. Templeton 1967-4-23 Templeton 10746 Plumas National forest near Quincy. Mtn slope. Assoc. with sugar pine, ponderosa, white fir. Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC436051  Ligusticum grayi John Thomas Howell 1960-7-21 35834 Plumas Lassen Volcanic National Park, NW of Willow Lake 1706 Comment
  CAS-BOT-BC508262  Lilium columbianum A. A. Heller; P. B. Kennedy 1907-7-15 8856 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC509332  Lilium kelleyanum Clarence R. Quick 1934-7-4 s.n. Plumas Headwaters of Clear Creek Comment
  CAS-BOT-BC509337  Lilium kelleyanum H. C. Cantelow 1940-7-20 s.n. Plumas 4 miles west of Johnsville near Jamison Creek Comment
  SEINET10469571  Lilium kelleyanum Mary Susan Taylor 1982-8-4 Taylor 4921 Plumas T25N R10E se/se sec 23. Greenville SE quad. Large rocky mdw on Taylor Creek, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6500 ft. 1981 Comment
  CAS-BOT-BC130712  Lilium pardalinum Paul F. Covel 1937-7-20 707 Plumas Pass east Buck's Comment
  CHSC102088  Lilium pardalinum subsp. shastense Lowell Ahart; John Dittes 2009-7-13 16041 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
  JEPS102718  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  CHSC34324  Limosella aquatica L. Ahart 1981-9-6 3109 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 Mills. 1200 Comment
  CHSC81157  Limosella aquatica Lowell Ahart 2001-8-29 9228 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS58329  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad Sierra Nevada 1828 Comment
  SEINET10496791  Linanthus ciliatus Mary Susan Taylor 1982-5-27 Taylor 4554 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
  SEINET8729337 Image available Linanthus filipes Helen K. Sharsmith 1955-1 4520 Plumas East Branch of North Fork of Feather River, near Virgilia. Comment
  UCD118707  Linanthus pungens Jack Major 1966-6-23 s.n. Plumas Beckwourth Pass. 1560 Comment
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  CDA32035  Linaria vulgaris J. Dittes 2005-9-3 1296 Plumas Northern High Sierra Nevada Range; 8.3 air-miles S of diamond Mt., 4.6 air-miles WxNW of Antelope Lake Dam, 2.7 air-miles NE of Taylor Lake; ca. 0.5 air-mile east of intersection of FS Routes 27N090 and 27N56; Moist meadow just west of northern tributary drainage of Hungry Creek Comment
  CDA18665  Linum lewisii var. lewisii G. D. Barbe, T. C. Fuller 1982-6-15 3714 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC47417  Lithocarpus densiflorus var. echinoides Lowell Ahart 1976-7-16 1177 Plumas About 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  CHSC82273  Lithophragma F. T. Griggs; A. Pass 1975-7-1 6 Plumas East of Grizzly Creek. Buck's Lake. Comment
  SEINET10482997  Lithophragma Mary Susan Taylor 1982-5-17 Taylor 4460 Plumas T22N R14E se/se sec 6. Portola quad. Wet grassy meadow along creek, jct of rds 22N54 & 22N88, ca. 2 mi se of Portola. 5700 ft. 1737 Comment
  RSA164336  Lithophragma brevilobum Clare B. Hardham 1961-6-16 7469 Plumas Diamond Peak. 2287 Comment
  UCD102739  Lithophragma parviflorum Matt Georgeff 1992-5-18 22 Plumas Near Portola, right at Davis Lake turnoff, meadow on left at Davis Lake. 1615 Comment
  CHSC43748  Lithophragma tenellum Vernon Oswald 1986-6-6 2086 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CAS-BOT-BC269065  Lolium perenne John Thomas Howell 1961-6-21 36619 Plumas Greenville 1097 Comment
  RSA39889  Lomatium nevadense P. A. Munz 1947-5-16 11834 Plumas 8 miles north of Chilcoot. 1524 Comment
  SEINET5333493  Lomatium nevadense var. nevadense W. Harnach, N. Harnach 2000-4-24 879 Plumas Sierra Valley, 1 mile due south of Vinton, CA and .75 mile east of Hwy. 49 1515 Comment
  SJSU4149  Lomatium nudicaule C. W. Sharsmith & W. Savage 1967-5-20 7519 Plumas near S base The Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  UCD127706  Lomatium nudicaule Michael A. Vincent 1999-6-7 8528 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  UCR51780  Lomatium nudicaule David D. Keck 1932-7-4 1711 Plumas Northern Sierra Nevada, Quincy: mouth of water supply canyon to the left hand, just south of town 1065 Comment
  UC1730263  Lomatium plummerae L. P. Janeway 1998-6-22 5651 B Plumas 1.8 mi SSE of Indicator Peak; West Branch Bear Valley Creek 1699 Comment
  RSA0012544  Lomatium utriculatum Joan Stewart 2000-06 1038 Plumas Plumas National Forest Comment
  CHSC63452  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CAS-BOT-BC240671  Lonicera interrupta Mary Strong Clemens 1920-6-29 s.n. Plumas Quincy Comment
  RSA59420  Lonicera involucrata E. K. Balls 1950-9-7 15701 Plumas Lakes Center Public Campground. Comment
  CHSC54467  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1991-7-30 4787 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  UCD19148  Lotus June McCaskill 1956-6-6 458 Plumas Lake Almanor region. Comment
  RSA71309  Lotus argophyllus var. fremontii L. S. Rose 1951-6-29 51078 Plumas Rock Creek, Feather River 550 Comment
  SEINET10451955  Lotus argophyllus var. fremontii Mary Susan Taylor 1981-6-19 Taylor 3955 Plumas T23N R5E nw sec 12. Pulga quad. On granite at S mouth of Elephant Butte tunnel, at mouth of Grizzly Creek to North Fork Feather River on Hwy 70, ca. 6 mi NE of Pulga. Open & dry, large granite outcrop; 1800 ft elev. 549 Comment
  HSC100724  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas E side of F.S. Rd. 26N22 and 26N221, 2.6 (air) mi. SE of Seneca, 6.5 (air) mi. S of Lake Almanor Reservoir Dam. 1608 Comment
  JEPS115081  Lotus crassifolius var. crassifolius Lowell Ahart, John Dittes 2009-7-13 16044 Plumas On dry 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
  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
  UC1129104  Lotus oblongifolius var. oblongifolius F. W. Embree 1934-6-6 73 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UC485774  Lotus oblongifolius var. oblongifolius H. E. and S. T. Parks Jun 1928 239 Plumas Drakesbad Lassen National Park Comment
  JEPS28476  Lotus oblongifolius var. oblongifolius George W. Gillett 1957-7-19 845 Plumas slopes across from Devils Kitchen (1.25 mi above hot springs area); Lassen Volcanic National Park 2057 Comment
  JEPS55724  Lotus oblongifolius var. oblongifolius W. L. Jepson 1924-7-22 10625 Plumas Dogwood Creek Middle Fork Feather River 1127 Comment
  RSA0035829  Lotus purshianus var. purshianus Lowell A. Ahart 2008-8-13 15170 Plumas East side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  UC726031  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15231 Plumas just n Quincy (near the river bridge over Spanish Creek) 1097 Comment
  RSA31787  Lotus unifoliolatus A. A. Heller 1938-7-2 15231 Plumas Along the highway north of Quincy near the bridge over Spanish Creek. 1067 Comment
  UCD107090  Ludwigia palustris G. F. Hrusa 1992-10-8 10500 Plumas Middle of Smith Lake, ca. 2 m. from Snake Lake near Quincy. Comment
  SEINET10488369  Lupinus albicaulis Patricia L. Kenney 1973-6-5 Kenney 421 Plumas Along roadside of hwy 89, 5 miles n of junction of hwy 70 and 89. Yellow pine, Douglas fir and oaks 1067 Comment
  RSA32781  Lupinus albicaulis subsp. wolfianus A. A. Heller 1938-7-14 15161 Plumas Near Gray's Flat on the Feather River Highway. 869 Comment
  CDA15403  Lupinus albifrons var. albifrons G. F. Hrusa, T. D. Wilfred 1996-8-23 13528 Plumas Sierra Nevada; alongside USFS 23N51, E side of upper Long Valley Creek above confluence with Bull Run Creek. 1.5 mi. E of Lava Peak, & 2.5 mi. NE of Cromwell townsite. Comment
  CHSC89024  Lupinus albifrons var. albifrons L. Hanson 1985-5-24 298 Plumas Plumas National Forest. Massack Rest Stop, Hwy. 70. 1066 Comment
  CHSC70794  Lupinus andersonii B. Castro 1995-7-12 583 Plumas Ca 4 air mi SW of Bucks Lake, ca 1 mi S of Buckhorn Creek, at the W edge of USFS Rd 23N18. Near headwaters of tributary to upper end of Axford Creek, just above small moist meadow. 1615 Comment
  CHSC118701  Lupinus andersonii Chelsea Morgan 2015-6-28 2015022 Plumas Plumas National Forest. Located near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  SBBG21929  Lupinus andersonii D. Myrick 1964-7-22 904 Plumas Drakesbad-Mineral Rd 1524 Comment
  SEINET10871212  Lupinus angustiflorus Mary Susan Taylor 1982-7-12 Taylor 4818 Plumas T22n,r11e,sec.21 e 1/2 ne 1/4. Johnsville quad. Corolla white. Along eureka Peak road, ca 1.5 mile s of mcrae meadows turnoff, ca 6 air miles w of mohawk. Open logged area. With hackelia 2164 Comment
  UC338121  Lupinus arbustus Lemmon Aug. 1883 Plumas Indian Valley mountain slopes Comment
  UC82141  Lupinus arbustus Mrs. R. M. Austin 1886-1 Plumas Big Meadows Comment
  RSA109810  Lupinus arbustus subsp. silvicola E. K. Balls, Lee W. Lenz 1956-6-19 21841 Plumas 1.2 miles east along State Highway 89 from southern tip of Lake Almanor. 1418 Comment
  CHSC101779  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15872 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC52429  Lupinus breweri L. P. Janeway 1989-6-16 3337 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  SEINET10452629  Lupinus breweri Mary Susan Taylor 1982-6-10 Taylor 4630 Plumas T23N R14E ne sec 9. Portola quad. Granite ridge ca. 1 mi nw of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 5900 ft. 1798 Comment
  JEPS120465  Lupinus breweri var. breweri B. Castro, L. P. Janeway 2006-6-4 1542 Plumas Northern High Sierra Nevada. Ca 0.3 mi E of Grizzly Valley Dam along Lake Davis Rd, ca 0.2 mi W of its jcn with the Beckworth-Taylorsville Rd. Comment
  SEINET10870976  Lupinus confertus Charles Piper Smith 1921-7-16 Smith 3433 Plumas Taylorsville - lower indian creek bridge. Comment
  CAS-BOT-BC215355  Lupinus dalesiae M. S. Taylor 1982-5-25 4526 Plumas S side of 23N12, ca. 8 miles E of its jct with 23N52, ca 0.75 mile W of McDermott Ravine, 1.5 miles NE of Sloat 1371 Comment
  CAS-BOT-BC215370  Lupinus dalesiae M. S. Taylor 1982-6-3 4602 Plumas Flat saddle above Bell Bar Creek Drainage, on 23N45Y, 0.4 mile E of its jct with White Cap Road, ca. 4 miles SW of Sloat 1584 Comment
  CAS-BOT-BC215374  Lupinus dalesiae M. S. Taylor 1982-6-21 4709 Plumas 100 ft N of Eureka Ridge Road (23N09.1), ca. 0.5 mile NW of White Cap, ca. 3 air miles SW of Sloat 1767 Comment
  CAS-BOT-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
  CAS-BOT-BC215423  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley, 7 miles W of Quincy Comment
  CAS-BOT-BC215425  Lupinus dalesiae E. K. Balls; L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, US Highway, Quincy to Portola 1249 Comment
  CAS-BOT-BC8483  Lupinus dalesiae Mary Strong Clemens 1920-6-3 s.n. Plumas greenville Comment
  CHSC35914  Lupinus dalesiae M. S. Taylor 1982-6-17 4694 Plumas S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. 1706 Comment
  CHSC36200  Lupinus dalesiae M. S. Taylor 1982-7-21 4900 Plumas W side of the Hogback, Hottentot Creek drainage, along and downslope of Quincy-LaPorte Hwy (511), 2.3 mi n of its jct with Ceghorn Bar Rd, ca. 10 air mi ne of LaPorte. 1950 Comment
  CHSC918  Lupinus dalesiae D. Crummett 1937-5-14 Plumas Quincy. 1097 Comment
  JEPS81469  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas on n side of Hwy 70 ca 1 mi w Quincy (Indian Hill); Quincy Quad., Indian Hill 1097 Comment
  UC665283  Lupinus dalesiae Elmer I. Applegate 1934-5-3 8907 Plumas 6 mi nw Quincy; nw of Quincy Comment
  UCD107620  Lupinus dalesiae H. Durio 1996-5-10 s.n. Plumas 3 to 4 air mi NE of Pilot Peak, along Peoria Creek Road (USFS Rd 23N10) as it crosses and parallels Nelson Creek. 1463 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
  SEINET10485186  Lupinus dalesiae Taylor 1982-7-12 Taylor 4817 Plumas Johnsonville quad. Corolla white pale blue and pale yellow. Along eureka Ridge, on eureka peak rd (22n75y), .5 air mi south of its jct with mcrae Meadows turnoff, ca. 6 Air mi west of mohawk. With pedicularis semibarbata. Possible hybrid with l. Dalesae x albicaulis. 2103 Comment
  SEINET10485187  Lupinus dalesiae Taylor 1982-7-7 Taylor 4786 Plumas Johnsonville quad. In disturbed soil with scanty duff, on roadcut, south side Of 4 wheel drive rd. .8 To .6 mi east of its jct with poplar creek rd (23n08), Ca. 1 Mi southeast of sloat. With arnica discoidea. 1280 Comment
  SEINET10485208  Lupinus dalesiae Taylor 1982-5-27 Taylor 4548 Plumas Bucks lake ne quad. South side of bucks lake-spanish creek rd, on roadcut and Along small drainage in opening south among pines; .1 mi west of dean's valley Turnoff, ca. 1 Mi ne of meadow valley. With pteridium aquilinum, viola bakeri. 1128 Comment
  SEINET10970248  Lupinus dalesiae Mary Susan Taylor 1982-6-21 Taylor 4887 Plumas T24n r10e e1/2se1/4 sec 7. Quincy quad. American valley, on ne side of hills S of greenhorn creek, ca 1.5 mi. Ne of quincy. Mixed evergreen forest; with Erigonum nudum, lupinus grayi, apocynum pumilum. 1067 Comment
  UCSB63568  Lupinus formosus Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; upper edge of reconstruction zone of Hwy. 70: T26N R9E NE1/4 NW1/4 Sect. 35 Comment
  SD126364  Lupinus formosus var. bridgesii P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas Along roadside of Highway 89, 5.0 miles north of Junction of Highway 70 and 89. 1067 Comment
  RSA595067  Lupinus formosus var. formosus J. T. Howell 1973-7-9 49715 Plumas Crescent Mills. 1067 Comment
  JEPS85926  Lupinus grayi L. P. Janeway 1990-6-6 3699 Plumas ca 1/2 mi e Rattlesnake Creek (and ca 1/2 mi n of Hwy 70/89, vicinity of Sloat, forested flat on n side of Long Valley); Plumas National Forest, Mt. Ingalls Quad. 1356 Comment
  JEPS48704  Lupinus grayi Hilda W. Grinnell 1934-6-1 Plumas 2 mi above Engelmine; above Engelmine 1219 Comment
  RSA26085  Lupinus grayi H. C. Cantelow 1940-5-12 s.n. Plumas 4/10 mile west of Quincy, on Busks Lake Road. 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
  SEINET10937107  Lupinus latifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue to purple and white. Plants ca 11 dm tall. Abundant on dry Gravelly soil in open area at edge of montane coniferous forest, ca 3.5 km ne Of squaw pk., On e bank of unimproved usfs road. Sec 1, t25n, r14e. 1973 Comment
  UCD108138  Lupinus latifolius Michael A. Vincent 1999-6-8 8556 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  CHSC55703  Lupinus latifolius var. columbianus K. R. Stern 1985-6-25 8273 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC37521  Lupinus lepidus var. confertus M. S. Taylor 1982-8-10 4960 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  UC149982  Lupinus lepidus var. confertus Katharine Brandegee 1911-7-30 Plumas Portola Comment
  JEPS103355  Lupinus lepidus var. lobbii Lowell Ahart 2002-6-26 9780 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
  CHSC102641  Lupinus lepidus var. sellulus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16136 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC34758  Lupinus lepidus var. sellulus M. S. Taylor 1981-6-3 3852 Plumas Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi n of Beckwourth. 1706 Comment
  CHSC34761  Lupinus lepidus var. sellulus M. S. Taylor 1981-8-31 4249 Plumas E side of Rd 114, ca. 0.5 mi n of its jct with Hwy 89, ca. 1.5 mi e of Clio. 1432 Comment
  CHSC82497  Lupinus lepidus var. sellulus Lowell Ahart 2002-6-26 9780 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
  UC566149  Lupinus lepidus var. sellulus E. Sawyer 1935-6-27 205 Plumas 1.4 mi se Crow; Sierraville Quadrangle 1706 Comment
  SBBG128049  Lupinus lepidus var. sellulus L. Ahart, J. Dittes, J. Guardino 2009-7-22 16136 Plumas W side of Forest Service Rd 27N92K, E side of Long Valley, ca. 3.5 mi WSW of Greenville, ca. 5.2 mi SE of Lake Almanor Dam 1606 Comment
  CHSC21586  Lupinus obtusilobus L. M. Mayer; D. E. Brink Jr. 1975-8-12 Plumas Bucks Lake Floristic Survey. Comment
  CHSC37522  Lupinus obtusilobus M. S. Taylor; H. Swanson 1982-8-11 4968 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville. 2133 Comment
  SEINET10452161  Lupinus obtusilobus Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4968 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
  NY15966  Lupinus onustus M. E. P. Ames s.n. Plumas Comment
  SEINET10451241 Image available Lupinus onustus John G. Lemmon Lemmon s.n. Plumas Indian Valley to Shasta. Comment
  SEINET10837855  Lupinus onustus Patricia L. Kenney 1973-6-5 Kenney 419 Plumas Along roadside of hwy 89, 5 mi n of jct of hwy 70 & 89. Yellow pine, douglas fir, and oaks. 1067 Comment
  UCD107461  Lupinus polyphyllus Tim Kuhn 2006-6-12 26 Plumas south of Frenchman Lake. Comment
  CAS-BOT-BC323949  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-14 4832 Plumas Near jct of 27N92 and 26N18 in Long Valley around creek, ca 4 air mi W of Greenville. 1676 Comment
  SEINET10484151  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-14 Taylor 4832 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 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
  SEINET10490887  Lupinus sellulus var. sellulus Charles Piper Smith 1921-7-16 Smith 3432 Plumas Greenville ridge. Comment
  SFV11552  Lupinus stiversii M. L. Vincent 1964-4-8 528 Plumas Sierra Nevada 1 mile northeast of Storrie. 580 Comment
  CHSC100347  Luzula cascadensis Lowell Ahart 2008-8-13 15183 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS115938  Luzula comosa var. comosa Lowell Ahart, John Dittes 2009-7-13 16043 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CHSC96320  Luzula comosa var. laxa L. P. Janeway; B. Castro 2006-9-9 8879 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  RSA500422  Lycopus uniflorus Vernon H. Oswald 1989-8-3 3917 Plumas Willow lake located SE of Drakesbad, just s of the boundary of Lassen Volcanic Nat l Park. 1677 Comment
  UC1560403  Lysimachia nummularia E. Joyal and D. Mehlman 1988-6-30 1299 Plumas e of Quincy 1200 Comment
  JEPS102822  Lythrum portula Lowell Ahart 2001-8-28 9214 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  UC1561925  Madia elegans Barbara Ertter 1987-7-24 7309 Plumas on Rt 284 ca 3 mi n Chilcoot (<on road> to Frenchman Lake) 1524 Comment
  UCD134184  Madia elegans Frederica Bowcutt 1985-6-6 534 Plumas About 15 air miles NE of Quincy 0.2 mile SE of Drum Bridge. Immediately north of Red Clover Creek and Beckwourth Genesee Road. Comment
  CAS-BOT-BC342846  Madia glomerata Lewis S. Rose 1932-9-7 32642 Plumas Bear Lakes 1981 Comment
  CAS-BOT-BC342856  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
  CDA13996  Madia glomerata G. F. Hrusa, T. D. Wilfred 1996-8-1 13453 Plumas Sierra Nevada; immed. E of Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC109853  Madia glomerata L. P. Janeway 2012-10-17 11080 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 1.9 road km north of Onion Valley Creek; up-per east-facing flank of Fingerboard (Peak). 1963 Comment
  CHSC65375  Madia glomerata Lowell Ahart 1995-9-13 7623 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC84501  Madia glomerata John Dittes; Lowell Ahart 2003-8-8 2003 -83 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  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
  CAS-BOT-BC342971  Madia gracilis John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-7-12 2107 Plumas Butterfly Botanical Area and Vicinity. Between valley proper and Darlingtonia bog 1066 Comment
  CAS-BOT-BC343284  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43273 Plumas Meadow at Quincy 1036 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
  CHSC100320  Madia gracilis Lowell Ahart 2008-8-13 15166 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  RSA716593  Madia gracilis L. Ahart, John Dittes 2005-9-19 12409 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 1987 Comment
  SEINET10474809  Madia gracilis Mary Susan Taylor 1981-9-14 Taylor 4276 Plumas California: T26N R8E se1/4 sec 13. Almanor SE quad. Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ESE of Green- ville. Plumas County. 5200 ft. 1585 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-BC343248  Madia gracilis John Thomas Howell 1951-6-29 27744 Plumas Near Spring Garden 1219 Comment
  CAS-BOT-BC343258  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC343280  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43246 Plumas North Fork of Feather River at Caribou 914 Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  CHSC21800  Maianthemum racemosum F. T. Griggs; A. Pass 1975-8-1 412 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC2412  Maianthemum racemosum R. Carter 1965-6-21 250 Plumas Found on E side of Oroville-quincy Rd. 3.05 mi. N of Buckeye Water Hole, ca. 20' from road. 1219 Comment
  CAS-BOT-BC347519  Malacothrix floccifera Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  SEINET7950491  Marrubium vulgare W. Harnach, N. Harnach 1989-6-17 151 Plumas Sierra Valley, ca 250 ft. W of the steel bridge on Marble Lane. 1487 Comment
  CAS-BOT-BC105205  Marsilea oligospora John Thomas Howell 1961-9-25 36949 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC71087  Marsilea vestita Thomas H. Kearney 1944-8-14 1 Plumas Near Prattville, Lake Almanor Comment
  SBBG47390  Marsilea vestita J. T. Howell 1961-9-25 36949 Plumas Feather River bed, Portola 1478 Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  SEINET10452597  Medicago sativa Mary Susan Taylor 1982-8-27 Taylor 5048 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  JEPS76219  Melica aristata W. L. Jepson 1939-7-31 19298 Plumas halfway between Meadow Valley and Bucks Valley (Spanish Peak); Spanish Peak 1676 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
  JEPS115951  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas About 200 yards west of Lake Almanor Dam, on the north side of the road under the pole line 1421 Comment
  JEPS87748  Melica fugax Lowell Ahart 1994-6-15 7330 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of a logging road) 1767 Comment
  UC1137053  Melica fugax August L. Hormay Plumas Long Canyon Plumas National Forest (near plots) Comment
  UCD87271  Melica fugax Beecher Crampton 1960-6-21 5740 Plumas 3.5 miles east of Child's Meadow, along Gurnsey Creek; State Hwy. 36. 1463 Comment
  UCD87287  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43346 Plumas Sierra Nevada. Summit ridge of Mt. Hough. 2194 Comment
  SEINET10599385  Melica fugax John Thomas Howell 1962-6-17 Howell 37704 Plumas Plans of Sierra Nevada, Portola, Comment
  CHSC34301  Melica stricta J. D. Jokerst; R. A. Schlising 1981-8-1 1450 Plumas In the saddle between Humboldt Peak and Eagle Peak; ca 0.5 mi NE of the former. Comment
  UC578631  Melica stricta E. Sawyer 1935-6-25 148 Plumas 1.5 mi se Crow; Plumas National Forest, Sierraville Quad. 1889 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
  UC641676  Melica subulata G. L. Stebbins Jr. 1939-7-6 2911 Plumas Univ. of Calif. Forestry Camp Meadow Valley (Meadow Valley) 1152 Comment
  RSA795731  Mentha arvensis L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16121 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  UCD169793  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC81125  Mentha canadensis Lowell Ahart 2001-8-29 9257 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  RSA59236  Mentha canadensis E. K. Balls 1950-8-31 15539 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  UC420644  Mentzelia albicaulis Katharine Brandegee June 1913 Plumas Canyon of the Truckee Comment
  UCSB7058  Mentzelia dispersa Breedlove, Dennis 1962-6-12 Plumas Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  UC726357  Mentzelia laevicaulis var. laevicaulis A. A. Heller 1937-8-25 16171 Plumas near Bucks Creek Power House (along The Feather River) Comment
  RSA106766  Mentzelia montana L. S. Rose 1955-6-19 55139 Plumas Beckworth 1494 Comment
  UC1609428  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UC1075692  Mertensia ciliata Robert J. Weatherby 1955-7-2 1579 Plumas upper end of Wilcox Valley 1798 Comment
  CAS-BOT-BC428537  Micranthes aprica Alice Eastwood 1918-5-25 6990 Plumas Portola 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
  CAS-BOT-BC428605  Micranthes bryophora Emily McPherson 1975-8-31 779 Plumas Ridge above Round Lake toward Mt. Elwell; Lakes Basin. 1981 Comment
  CAS-BOT-BC428603  Micranthes bryophora Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC107452  Micranthes nidifica Matt Simenc; Rebecca Joyner 2011-7-2 8 Plumas Northern High Sierra Nevada. 0.25 miles (air) SE of Hwy 120 (La Porte Quincy Highway/ The Hogback) where it crosses Onion Valley Creek. 0.25 miles N of Pacific Crest Trail. Exposed, sunny, NE facing ridge on S side of Onion Valley Reservoir. 1965 Comment
  CAS-BOT-BC429147  Micranthes odontoloma Anna Head 1920-7-23 s.n. Plumas Trail to Mt. Elwell, Feather River Region Comment
  CAS-BOT-BC429238  Micranthes oregana E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CHSC20990  Micranthes oregana F. T. Griggs; A. Pass 1975-7-11 158 Plumas Buck's Lake. Comment
  CHSC53706  Micranthes oregana L. P. Janeway 1989-7-13 3493 Plumas Plumas National Forest. Above Jackson Creek and rd 23N06, 1.6 mi from Penman Saddle. 1889 Comment
  SD8378  Micranthes oregana Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SJSU7542  Micropus californicus L. S. Rose 1968-6-11 68102 Plumas Butterfly Valley 4 mi S of Keddie 1036 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
  RSA14277  Microseris nutans Daniel Cleveland 1882-7-22 s.n. Plumas Prattville Comment
  CHSC33597  Microsteris gracilis M. S. Taylor; M. Foster 1981-6-8 3876 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC53207  Microsteris gracilis L. P. Janeway 1989-6-14 3309 Plumas Plumas National Forest. Along southerly side of Red Clover Valley. 1685 Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS115558  Mimulus guttatus Lowell Ahart, John Dittes 2009-7-28 16202 Plumas On wet soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  SBBG21886  Mimulus guttatus D. Myrick 1964-7-20 884 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  POM147037  Mimulus guttatus Alice Eastwood 1927-06 14559 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  RSA31946  Mimulus guttatus A. A. Heller 1942-6-16 16508 Plumas Seven miles west of Belden along State Hwy #24. Comment
  SEINET8350438  Mimulus guttatus Lowell Ahart 2006-10-8 13395 Plumas west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS122101  Mimulus lewisii Lowell Ahart 2014-8-24 19754 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  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
  UC1063060  Mimulus moniliformis C. W. Hanks 1934-8-10 35 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  JEPS32699  Mimulus moniliformis Lewis S. Rose 1963-6-2 63081 Plumas 4 mi w Virgilia; North Fork of Feather River, East Branch 762 Comment
  CHSC113630  Mimulus moschatus Lowell Ahart 2014-8-31 19823 Plumas Gravel bars and mud flats 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. 1536 Comment
  UCD122820  Mimulus moschatus W. R. Powell 1968-7-2 1592 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  RSA101423  Mimulus moschatus var. sessilifolius R. Weatherby 1955-8-12 1682 Plumas McFarland Creek near Morrow Creek, above Meadow Valley. 1433 Comment
  JEPS96020  Mimulus nanus var. mephiticus Vernon H. Oswald and Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Qunicy Hwy.), northern High Sierra Nevada, Yellow Pine Forest. 1127 Comment
  RSA88424  Mimulus nanus var. mephiticus J. T. Howell 1951-6-27 27609 Plumas Jamison Creek. 1890 Comment
  UC335555  Mimulus primuloides J. G. Lemmon Plumas Sierra Valley Comment
  CAS-BOT-BC7299  Mimulus pygmaeus Vesta Holt 1934-5-18 s.n. Plumas 2 miles W of Lake Almanor on road to Chester Comment
  CAS-BOT-BC11026  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas Sandy Flat, 5,8 miles E of Beckwourth 1493 Comment
  JEPS28121  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas 5.8 mi e Beckwourth; Sierra Nevada 1493 Comment
  JEPS8141  Mimulus torreyi W. L. Jepson 1927-6-23 12318 Plumas Morgan Springs 1584 Comment
  UCD122942  Mimulus torreyi J. M. Tucker 1948-7-24 1720 Plumas near road from Cascade to Camel Peak. 1615 Comment
  UC170979  Mimulus torreyi H. M. Hall 1912-6-29 9298 Plumas Meadow Valley Sierra Nevada Mountains 1219 Comment
  RSA0058872  Mitella breweri Lowell A. Ahart 2008-7-16 15080 Plumas East side of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS63416  Monardella follettii W. I. Follett 1937-8-2 108 Plumas ne slope Red Hill (Rich Gulch); East Branch of North Fork Feather River 1280 Comment
  SEINET10829412  Monardella follettii A. Graff 1993-7-23 Graff 336 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
  CHSC52043  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  UC2035859  Monardella odoratissima subsp. glauca H. L. Mason 1924-6-16 1043 Plumas South banks of Feather River, near Graeagle. Comment
  CAS-BOT-BC318569  Monardella odoratissima subsp. pallida Anna Head 1920-7-12 s.n. Plumas Near Lake Center Camp. 1920 Comment
  JEPS51854  Monardella odoratissima subsp. pallida Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2133 Comment
  SEINET12334046  Monardella odoratissima subsp. pallida L. P. Janeway 1989-1 3484 Plumas Johnsville quad T23N R12E NE? of sec21, Along Jackson Creek, rd 23N11 2.3mi from hwy 70/89,then 2.2? 1783 Comment
  CAS-BOT-BC220492  Monardella sheltonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54303 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CDA18584  Monardella sheltonii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3286 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  CHSC21673  Monardella sheltonii D. Brink; L. Mayer 1975-8-1 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC52054  Monardella sheltonii L. P. Janeway 1989-7-6 3459 Plumas Plumas National Forest. S-facing volcanics outcropping 'barren' area above Jackson Cr and Middle Fk Feather River; 2.3 mi from hwy 89/70 on rd 23N11, then 1.1 mi on 23N48. 1645 Comment
  CHSC67827  Monardella sheltonii James D. Jokerst 1992-8-1 3443 Plumas Gold Lake Resort, without further data. Comment
  CHSC70266  Monardella sheltonii B. Castro 1989-8-4 343 Plumas Ca 3.5 air mi S of Bucks Lake, on N-facing flank of Mt. Ararat, near jct USFS Rds 23N19, 23N55, and the road to the top of Mt. Ararat. 1737 Comment
  CHSC83636  Monardella sheltonii L. P. Janeway 2001-6-28 7244 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  SD149143  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 Comment
  SEINET10582349  Monardella sheltonii A. Graff 1993-7-22 Graff 318 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, .8 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on right roadside. T25N,R8E,S18. Past flowering. Comment
  SEINET10582355  Monardella sheltonii A. Graff 1993-7-21 Graff 284 Plumas Plumas National Forest. On Hwy. 70, .35 miles northwest of 2nd "Cromberg" sign, on northeast side of the road. T23N,R11E,S13. With Pinus ponderosa, Calocedrus decurrens, Quercus kelloggii, grasses. Comment
  SEINET10961426  Monardella sheltonii A. Graff 1993-7-22 Graff 320 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, 1.15 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on the right roadside. T25N,R7E,S13. Past flowering. Comment
  SEINET10961427  Monardella sheltonii A. Graff 1993-7-21 Graff 286 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SJSU14192  Monardella sheltonii N. A. Hopkins 1989-8-7 1575 Plumas by road between Beckwourth & Genesee Valley 1676 Comment
  SJSU15280  Monardella stebbinsii S. Woolhouse 2010-7-25 1 Plumas Slope next to Caribou Road (some plants at eye level when standing on road) and the north fork of the Feather River. Comment
  UC1502547  Monardella stebbinsii John C. Stebbins 1981-8-2 Plumas 1.1 mi n Queen Lily Campground (along the w side of Caribou Road) 853 Comment
  CAS-BOT-BC220208  Monardella stebbinsii G. L. Stebbins; C. Epling 1968-8-2 6840 Plumas East Branch, North Fork of Feather R., 1 mile east of Rich Bar 1036 Comment
  SEINET12334047  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3398 Plumas Spring Garden quad T24N R10E NE? of sec22;Low W-facing roadcut along hwy 70/89, SE of Quincy, 0.9mi* 1097 Comment
  SEINET10582232  Monardella villosa subsp. villosa A. Graff 1993-7-22 Graff 321 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from Hwy. 70, on both sides of the road. T25N,R7E,S17. Locally infrequent, with Pseudotsuga menziesii, Pinus ponderosa, Quercus sp. Comment
  LA87863  Monardella viridis Elizabeth McClintock; 1968-8-1 sn Plumas between Belden and Caribou Comment
  CAS-BOT-BC444742  Montia chamissoi John Thomas Howell 1960-7-23 35969 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CHSC34270  Montia chamissoi M. S. Taylor 1981-5-10 3677 Plumas E side of Antelope Lake, in and around large wet meadow where Pioneer Cabin is located, ca. 20 air mi ne of Taylorsville. 1536 Comment
  UC1136698  Montia chamissoi E. Sawyer 1935-6-22 188 Plumas 1.6 mi ene of Grizzley Peak (Plumas National Forest); Plumas National Forest 1767 Comment
  CAS-BOT-BC444855  Montia fontana J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 C Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CHSC97570  Montia fontana subsp. chondrosperma Lowell Ahart; John Dittes 2007-6-17 14176 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC445087  Montia linearis Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills Comment
  JEPS113611  Montia linearis Lowell Ahart, John Dittes 2007-6-16 14087 Plumas Meadow area on the sides of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC445082  Montia linearis M. S. Taylor 1982-5-6 4409 Plumas Ca. 3/4 mi ne of 24N29, ca. 1 mi e of Meadow Valley. 1158 Comment
  RSA189424  Montia linearis L. S. Rose 1967-6-11 67104 Plumas Quincy. 1037 Comment
  SEINET10572660  Montia linearis Mary Susan Taylor 1982-5-7 Taylor 4412 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
  SEINET5334388  Montia linearis A. A. Heller, P. B. Kennedy 1907-7-4 8731 Plumas Meadow two miles south of Red Clover Valley Comment
  CAS-BOT-BC445192  Montia parvifolia Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River Region Comment
  CAS-BOT-BC267002  Muhlenbergia filiformis John Thomas Howell 1959-9-25 34993 Plumas Feather River, Portola 1478 Comment
  CAS-BOT-BC267018  Muhlenbergia filiformis Lloyd W. Swift 1932-7-11 63 Plumas Tamarack Ranger Station 1706 Comment
  CHSC40254  Muhlenbergia filiformis Lowell Ahart 1985-7-11 5138 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC61582  Muhlenbergia filiformis L. P. Janeway 1984-9-1 1134 Plumas Lakes Basin; on Sierra crest west of Mt Elwell. Meadowy area. 2164 Comment
  CAS-BOT-BC267007  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Drakesbad 1828 Comment
  CHSC97612  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, along bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SEINET256387 Image available Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir where the South Fork of the Feather River flows into the lak 1585 Comment
  RSA6245  Myosotis discolor D. D. Keck 1932-7-3 1670 Plumas Along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  RSA496339  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-30 1297 Plumas E of Quincy. Irrigation ditch running through heavily-used pasture, with Typha, Carex. 1200 Comment
  RSA52860  Myosotis scorpioides R. Weatherby 1950-7-2 1443 Plumas Mill Creek, east Quincy. 1067 Comment
  RSA59480  Myosotis scorpioides E. K. Balls 1950-9-16 15870 Plumas 5 miles SE Graeagle, Hwy 89, along Sulphur Creek. 1372 Comment
  UC1560385  Myosotis scorpioides E. Joyal and D. Mehlman 1988-7-3 1305 Plumas s.e. Graeagle (and 1 mi. s.e. of Clio, Hwy. #89 at <Sulhur> Creek); <Sulhur> Creek 1200 Comment
  UC1965873  Myriopteris parryi J. G. Lemmon July, 1876 Plumas Taylorsville, Indian Valley 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
  RSA101388  Nama lobbii R. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  POM161625  Narthecium californicum Rimo C. Bacigalupi 1927-7-10 1690 Plumas About 0.25 mile below outlet of Long Lake along Gray Eagle Creek 1829 Comment
  SD230125  Narthecium californicum Louis C. Wheeler 1970-9-10 7576 Plumas Butterfly Valley. Comment
  SEINET10475624  Narthecium californicum Mary Susan Taylor, H. Swanson 1982-9-2 Taylor 5087 Plumas T25N R9E ne/se sec 20. Greenville SW quad. Butterfly Valley Botanical Area, in bog just s of switchback, ca. 1 air mi w of Keddie. 3900 ft. 1189 Comment
  SEINET10832614  Navarretia Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3877 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CHSC110286  Navarretia breweri B. Castro; L. P. Janeway 2006-6-4 1554 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  JEPS113557  Navarretia breweri Lowell Ahart, John Dittes 2007-6-16 14094 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC73422  Navarretia capillaris B. Castro; L. Gehrung, H. Durio 1995-9-19 627 A Plumas Tamarack Flat. Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow. 1706 Comment
  CHSC20842  Navarretia divaricata K. R. Stern 1975-7-23 5815 Plumas W shore of Lake Almanor. 1371 Comment
  SEINET7974320 Image available Navarretia divaricata A. A. Heller, P. B. Kennedy 1907-7-3 8698 Plumas Hills above Red Clover Valley Comment
  CDA18470  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3228 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
  CHSC97581  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes 2007-6-16 14095 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET197718  Navarretia intertexta J. M. Tucker 1948-7-24 1717 Plumas Near road from Cascade to Camel Peak. 1615 Comment
  UC908140  Navarretia intertexta H. L. Mason 1924-6-26 1096 Plumas Blairsden Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS107903  Navarretia intertexta subsp. intertexta Lowell Ahart, Josephine Guardino 2005-8-9 12263 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  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
  CDA20258  Navarretia leptalea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3133 Plumas Sierra Nevada; 3.25 mi w of Round Valley Reservoir Dam; 0.25 mi e of junction with road to Canyon Dam (i.e. s arm of Lake Almanor). 1633 Comment
  RSA718440  Navarretia leptalea L. Ahart 2006-7-9 12935 Plumas about 20 yards south of the paved basalt road, about 3 3/4 miles (air) nw of Tamarack Flat, about 5 3/4 miles (air) nw of Little Grass Valley Reservoir 1662 Comment
  UC595081  Navarretia leptalea subsp. leptalea David D. Keck 1938-8-9 4899 Plumas 0.5 mi w town (Beckwith (Beckwourth)); Beckwith (Beckwourth) Comment
  CAS-BOT-BC230336  Navarretia leucocephala John Thomas Howell 1962-6-19 37858 Plumas 5.5 miles E of Beckwourth 1493 Comment
  SEINET10464823  Nemacladus capillaris A. Arthur Heller 1913-6-13 Heller 10841 Plumas Near Marston Station 1067 Comment
  CHSC90939  Nemophila heterophylla Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11748 Plumas On the north side of Highway 70, about 1/8 mile east of Chambers Creek, about one mile northeast of Indian Jim Campground. 629 Comment
  UC606950  Nemophila parviflora var. austiniae L. Constance 1938-6-10 2318 Plumas 3.2 mi n Prattville (ne end Lake Almanor); , n of Prattville 1524 Comment
  CDA14130  Nemophila pedunculata G. F. Hrusa 1997-5-3 13820 Plumas Sierra Nevada; W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC54402  Nemophila pedunculata Vernon H. Oswald 1991-6-12 4657 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Locally abundant in the meadow just north of the park boundary where the trail crosses the stream coming down from Terminal Geyser. 1658 Comment
  CHSC54401  Nemophila spatulata Vernon H. Oswald 1991-6-17 4668 Plumas Lassen Volcanic National Park. Drakesbad, on the west edge of the meadow between the trail to Devil's Kitchen and Hot Springs Creek. 1737 Comment
  CHSC61735  Nemophila spatulata Vernon H. Oswald; Lowell Ahart 1993-8-25 5866 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. Growing in drying soil along the edge of a wet, springy flat on top of low cliffs on the E side of the creek. 1987 Comment
  CHSC97176  Nemophila spatulata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14004 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
  POM247399  Nemophila spatulata Lincoln Constance 1938-6-10 2319 Plumas Feather River at Chester, near Lake Almanor. 1220 Comment
  UC1125129  Nicotiana attenuata C. W. Hanks 1934-8-10 40 Plumas valley floor ne Sierra Valley; Plumas National Forest, Sierraville Quad. 1584 Comment
  CAS-BOT-BC400106  Nuphar polysepala H. L. Mason 1924-6-20 1089 Plumas Near Graeagle Lodge Comment
  SEINET5345685  Oenothera deltoides var. piperi W. Harnach, N. Harnach 1990-5-27 325 Plumas Sierra Valley, Between Vinton and Chilcoot, Vinton cemetary 1524 Comment
  CAS-BOT-BC355565  Oreostemma alpigenum var. andersonii G. Schoolcraft 1997-8-5 2643 Plumas Hay Meadow at S. end of Caribou Wilderness 1950 Comment
  CHSC115926  Oreostemma alpigenum var. andersonii L. P. Janeway 2015-8-16 11838 Plumas Northern High Sierra Nevada. Meadow and fen complex at head of Taylor Creek; southwest-facing slope near top of north end of Grizzly Ridge; 1.6 air-km north of Taylor Rock. 2122 Comment
  JEPS36260  Oreostemma alpigenum var. andersonii Clarissa Kimber 1961-8-6 211 Plumas 1 mi s, (Upper Butterfly Valley) Keddie; Greenville Quad., Upper Butterfly Valley 1158 Comment
  SBBG21783  Oreostemma alpigenum var. andersonii D. Myrick 1964-7-20 882 Plumas Drakesbad 1737 Comment
  CDA10246  Oreostemma elatum J. R. Keck Jr. 1978-6-3 PDR# 330066 Plumas Snake Lake near Quincy. 0 Comment
  SD6605  Orobanche californica subsp. grayana Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  JEPS113435  Orobanche californica subsp. jepsonii Lowell Ahart, John Dittes 2007-8-9 14451 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  CHSC53588  Orobanche corymbosa L. P. Janeway 1989-7-19 3500 Plumas Plumas National Forest. Edge of forest along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1676 Comment
  CAS-BOT-BC500134  Orobanche fasciculata C. R. Quick 1951-6-7 51 -97 Plumas Ridge NE of Humbug Valley Comment
  CAS-BOT-BC500310  Orobanche uniflora subsp. occidentalis Lowell Ahart 1983-7-20 4197 Plumas Near the Feather Fork Mine, La Porte; about 1/4 mi E of the mine; and ca. 5.5 mi N of La Porte 1800 Comment
  SEINET10964379  Orthocarpus copelandii var. cryptanthus Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3881 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  SEINET12326102  Orthocarpus hispidus W. Knight, Knight, I. 1983-1 4896 Plumas Warner Creek Campground between Chester & Drakesbad 1539 Comment
  JEPS87598  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  CHSC97935  Osmorhiza occidentalis G. F. Hrusa; T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada. Dryish flats about Brady's Camp. Pine Creek Valley, @1/2 mi. NE Argentine Rock. 2125 Comment
  HSC73005  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Bechwourth= Genesee Rd, between Crystal and Meadow Creeks, 2 mi. S of Notson Bridge, 17 air mi. NE of Blairsden 1738 Comment
  CHSC28435  Packera cana J. D. Jokerst 1979-6-23 269 Plumas Along borders of first meadow S. of intersection of Meadow Valley Cr. and Forest Service Rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  CHSC71633  Packera streptanthifolia Vernon H. Oswald; Lowell Ahart 1998-8-11 9491 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak. 1920 Comment
  CHSC33619  Paeonia brownii M. S. Taylor 1981-6-17 3927 Plumas Large Montane Meadow on n side of Coldwater Spring, in dry area, ca. 1/4 mi e of its jct with 25N49, ca. 14 air mi n of Blairsden. 2255 Comment
  JEPS113374  Paeonia brownii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14019 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
  OBI22069  Panicum acuminatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi W of Keddie 1067 Comment
  UCD32830  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  JEPS110546  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  CHSC58517  Pectiantia breweri Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5044 b Plumas Near the entrance gate to Elwell Lodge at the S end of Lakes Basin Campground, S margin of Grass Lake, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC63472  Pectiantia breweri Lowell Ahart 1994-7-28 7544 Plumas On the east sides of a small stream. North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  SD6611  Pedicularis attollens Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  POM147891  Pedicularis attollens J. B. Feudge 1927-7-20 1765 Plumas 8 miles SW of Chester. 1829 Comment
  POM286408  Pedicularis racemosa Lyman Benson 1932-7-29 3979 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC21524  Pedicularis semibarbata L. Mayer; D. Brink 1975-7-10 Plumas Buck's Lake Forest Service Survey. Comment
  POM120730  Pellaea brachyptera C. C. Bruce 1898-06 1367 Plumas Mountain Meadows Comment
  CHSC59875  Pellaea breweri L. P. Janeway; Laurie Lamm 1992-7-21 4270 Plumas Plumas National Forest. About 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaissance Peak. Above end of Road 24N91Y. 2103 Comment
  RSA60025  Pellaea bridgesii E. K. Balls 1950-9-1 15589 Plumas Long Lake, ridge above east shore, toward trail going south of lake 2134 Comment
  SEINET4889669  Peltandra virginica B. L. Wilson, J. Belsher-Howe, P. F. Zika 2011-8-4 16757 Plumas Plumas National Forest, Butterfly Valley Botanical Area, 1168 Comment
  SBBG25523  Penstemon deustus C. B. Hardham 1961-6-15 7429 Plumas Indian Crk, jct with Feather River N of Quincy Comment
  POM147033  Penstemon deustus subsp. deustus Alice Eastwood 1927-06 14675 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  UC886966  Penstemon deustus var. deustus Anna Head 1920-6-15 Plumas among rocks at Lake Center Camp , at Lake Center Camp (Feather River Region) 1920 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
  CDA14128  Penstemon deustus var. suffrutescens G. F. Hrusa 1997-5-3 13818 Plumas Sierra Nevada; W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC46662  Penstemon deustus var. suffrutescens Lowell Ahart 1989-7-2 6336 Plumas Growing on the north side and near the summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  NY609837  Penstemon deustus var. suffrutescens J. L. Reveal 1971-6-23 2470 Plumas Along California Highway 70 and 89, 2.2 miles north of Kedde and about 1 mile north of the bridge over Spanish Creek Comment
  CHSC53070  Penstemon gracilentus L. P. Janeway 1989-6-30 3450 Plumas Plumas National Forest, Beckwourth Ranger District. Near rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  CHSC84368  Penstemon gracilentus Lowell Ahart 2003-9-7 10561 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  SEINET8512687 Image available Penstemon gracilentus Noel H. Holmgren, Patricia K. Holmgren, Don Lepley, Elizabeth Corbin, and Mike Dolan 2015-1 16607 Plumas Sierra Nevada, North Fork Feather River drainage, about 12.5 km (7.5 mi) air distance west-northwest of Chester (from where Feather River Drive intersects with State Route 36) 1571 Comment
  UC1302290  Penstemon gracilentus Richard M. Straw 1962-6-28 2197 Plumas on Beckwourth road 5-6 mi s Milford; s of Milford 1900 Comment
  CHSC118811  Penstemon heterodoxus var. shastensis Chelsea Morgan 2016-8-4 2016 -039 Plumas Snow Mountain. (UTM 633507 E, 4437169 N, NAD 83 Zone 10 North; Elevation 6100 ft.) 1859 Comment
  SEINET5328848 Image available Penstemon laetus M. Foster 1988-8-5 184 Plumas Alongside F.S. Rd. 24N47X, 1/2 mi W of Big Creek and Big Creek Rd., 3 mi W of Bucks Lake, 10 mi SW of Quincy 1591 Comment
  CHSC28922  Penstemon laetus var. leptosepalus L. Hanson 1979-7-11 29 Plumas Kellogg Lookout Area. Comment
  RSA739640  Penstemon neotericus B. Castro, L. P. Janeway 2005-9-11 1519 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.7 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1921 Comment
  CHSC21351  Penstemon newberryi F. T. Griggs; A. Pass 1975-7-7 83 Plumas Gold and Silver Lakes. Comment
  SEINET10898223  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Plumas Sonora pass rocky crevices. Sierra nevada. Comment
  CAS-BOT-BC245640  Penstemon personatus Lowell Ahart 1980-7-27 2488 Plumas 5 miles east of Bucks Lake, Sierra Nevada 1500 Comment
  CHSC33747  Penstemon personatus M. S. Taylor; M. Foster 1981-7-14 4009 Plumas 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. 1661 Comment
  CHSC88826  Penstemon personatus L. Hanson 1981-7-22 156 Plumas Plumas National Forest. Hartman Bar Ridge. 1615 Comment
  CHSC87627  Penstemon roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10954 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
  SBBG122907  Penstemon roezlii B. Ertter, G. Schoolcraft 1989-7-3 8656 Plumas ridge between Red Rock and Diamond Mtn; ca. 8 air-mi S of Susanville 2225 Comment
  CAS-BOT-BC239587  Penstemon rydbergii var. oreocharis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633 Comment
  CAS-BOT-BC239608  Penstemon rydbergii var. oreocharis C. R. Quick 1945-7-20 45 -62 Plumas U.S.F.S. fenced pasture, Deane's [Deanes] Valley, S.E. of Meadow Valley Comment
  CAS-BOT-BC239612  Penstemon rydbergii var. oreocharis Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek ranger station Comment
  CHSC62594  Penstemon rydbergii var. oreocharis B. Castro 1987-6-21 135 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  JEPS3888  Penstemon speciosus Mrs. Emanuel Esther C. Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  NY660835  Penstemon speciosus F. W. Pennell 1940-6-11 25815 Plumas Route 24, 3 miles east of Portola 1493.5 Comment
  CAS-BOT-BC77077  Pentagramma triangularis subsp. triangularis John Thomas Howell 1967-6-23 42730 Plumas Sierra Nevada - Lewisia Rock 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CDA41079  Perideridia bolanderi G. D. Barbe, T. C Fuller 1982-7-16 3770 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  JEPS126595  Perideridia bolanderi subsp. bolanderi Lowell Ahart 2016-6-29 21068 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC116372  Perideridia parishii Sara M. Taylor; Scott Batiuk 2012-7-31 58 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd. to Smith Lake (via Snake Lake). Take left (west) onto 23N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  SEINET12121326  Perideridia parishii W. Knight, Knight, I. 1983-1 4894 Plumas Warner Creek Campground between Chester & Drakesbad 1539 Comment
  CDA25039  Perideridia parishii subsp. latifolia G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC21813  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-8-1 287 Plumas Lower Bucks Lake. Comment
  JEPS13737  Perideridia parishii subsp. latifolia Rimo Bacigalupi with G. T. Robbins 1955-7-21 5435 Plumas s flank of ridge not far from Fleming's Sheep Camp (headwaters of creek, about 3.5 mi above and n of Engelmine); Diamond Mountain ridge, Light's Creek 1737 Comment
  UCD99385  Persicaria amphibia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas Southeastern side of Portola. Comment
  JEPS122305  Persicaria maculosa Lowell Ahart 2014-8-31 19812 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC419231  Persicaria maculosa Lowell Ahart 1981-9-6 3096 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC330327  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1964-5-9 s.n. Plumas Thompson Creek. Sierra Nevada. Comment
  CHSC91731  Phacelia hastata subsp. hastata G. D. Barbe; T. C. Fuller 1982-6-17 3839 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  JEPS3246  Phacelia heterophylla subsp. virgata W. I. Follett 1934-6-17 Plumas Rich Gulch 1173 Comment
  CHSC34870  Phacelia humilis M. S. Taylor 1981-6-16 3913 Plumas N side of 23N88, a loop road off rd 24N07, ca. 3/4 mi nw of Smith Peak Lookout, ca. 7 air mi ne of Blairsden. 2072 Comment
  JEPS26571  Phacelia linearis Lauramay T. Dempster 1961-6-16 1464 Plumas ridge n Red Rock (n of Engelmine) Comment
  CDA14714  Phacelia mutabilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3230 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  RSA428113  Phacelia mutabilis Dorothy Davis 1923-08 s.n. Plumas Mt. Eureka 1524 Comment
  SBBG21894  Phacelia mutabilis D. Myrick 1964-7-21 883 Plumas near trail parking area, Drakesbad 1737 Comment
  RSA88081  Phacelia mutabilis J. T. Howell 1951-6-26 27531 Plumas Near Rich Bar. 793 Comment
  SEINET10969179  Phacelia mutabilis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4315 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC102578  Phacelia procera L. P. Janeway; B. Castro 2009-7-18 9860 Plumas Northern High Sierra Nevada. Near the head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy. 1643 Comment
  JEPS100370  Phacelia racemosa Dean W. Taylor 2001-6-6 17777 Plumas ridge about 1 mile North of Lexington Hill (ca. 1.5 air miles NW of La Porte) 1706 Comment
  RSA0004581  Phaeostoma atropurpureum A. A. Heller 1938-5-30 15129 Plumas 2 miles west of Arch Rock Tunnel on Feather River Hwy. Transition Life Zone. Comment
  CAS-BOT-BC128861  Philadelphus John Thomas Howell 1962-6-16 37635 Plumas Lewisia Rock, Feather River North Fork - Sierra Nevada 640 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CAS-BOT-BC250778  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake 2133 Comment
  RSA59151  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake, in meadow sloping to two smaller lakes 2134 Comment
  CAS-BOT-BC260846  Phleum pratense John Thomas Howell 1960-7-18 35509 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC260856  Phleum pratense Walter Knight; Irja Knight 1966-6-18 1377 Plumas Butterfly Valley 1127 Comment
  CHSC96985  Phleum pratense Lowell Ahart; Josephine Guardino 2007-7-21 14360 Plumas Along a small stream, near a spring, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. 1787 Comment
  CAS-BOT-BC232847  Phlox Clare B. Hardham 1978-8-11 21791 Plumas In volcanic area about 5 miles SE of Thompson Peak Comment
  UC1186122  Phlox douglasii subsp. rigida Herbert L. Mason 1924-6-16 1045 Plumas Graeagle Comment
  CDA18697  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3704 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
  CHSC76138  Phlox speciosa subsp. occidentalis G. F. Hrusa 1997-5-30 13824 Plumas Sierra Nevada. Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  JEPS48541  Phlox speciosa subsp. occidentalis John Warren Duffield 1937-5-26 Plumas e of Fairgrounds of Quincy (road to Quincy, sw Plumas County) Comment
  SD257348  Phlox speciosa subsp. occidentalis James R. Shevock 1795 Plumas Hwy 89, Cresant Mills 914 Comment
  SEINET5906089 Image available Phlox speciosa subsp. occidentalis L. S. Rose 1967-1 67107 Plumas Butterfly Valley, ca 3 mi W of Keddie. Comment
  CAS-BOT-BC60678  Phoenicaulis cheiranthoides Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  CHSC40685  Pinus jeffreyi Lowell Ahart; Jim Jokerst 1985-10-4 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC73081  Pinus lambertiana Alice Eastwood 1927-6-1 14701 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  CAS-BOT-BC79048  Pinus ponderosa Mrs. Austin s.n. Plumas unspecified Comment
  OBI69178  Pinus ponderosa Kristina L. Schultz, Dan Schultz 2000-11-3 4 Plumas Quincy Range. Located directly off trl at the intersection of Jackson St. and Old Meadow Valley rd 1067 Comment
  JEPS115160  Pinus ponderosa var. ponderosa Lowell Ahart, John Dittes 2009-7-15 16084 Plumas 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. Comment
  CHSC2381  Piperia unalascensis R. Carter 1964-7-4 142 Plumas One mile N of Green Island L. along Calif. Riding and Hiking Trail. 1706 Comment
  SD6755  Plagiobothrys cognatus unknown 1882-7-21 Plumas Big Meadows Comment
  UC127237  Plagiobothrys cognatus A. A. Heller 1907-7-2 8680 Plumas between Vinton and Beckwith Comment
  SEINET13710066  Plagiobothrys cusickii Lowell William Ahart, Lowell William Ahart 2001-1 9210 Plumas Lake Almanor, about 3/4 Mi. NW of Chester (T28N, R7E, sec. 4, NE 1/4) 4500 Ft. 1372 Comment
  SEINET13710643  Plagiobothrys cusickii Lowell William Ahart, Lowell William Ahart 2001-1 9231 Plumas Bottom of Little Last Chance Creek, Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CAS-BOT-BC230966  Plagiobothrys hispidulus John Thomas Howell; Gordon H. True 1973-7-31 50093 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC230979  Plagiobothrys hispidulus Philip A. Munz 1947-5-16 11826 Plumas 8 miles N of Chilcoot 1524 Comment
  CAS-BOT-BC230981  Plagiobothrys hispidulus Walter Knight; et al. 1967-6-12 2003 Plumas The Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CHSC115159  Plagiobothrys hispidulus Lowell Ahart 2015-6-7 20216 A 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
  CHSC87815  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11056 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  CHSC118659  Plagiobothrys mollis Chelsea Morgan 2015-7-23 2015029 Plumas Plumas National Forest. Located along the northeast shore of Antelope Lake, east of Forest Service road 27N19Y. UTM 705875 E, 4451368 N, NAD83 Zone 10N. 1525 Comment
  SEINET13710067  Plagiobothrys mollis Lowell William Ahart, Lowell William Ahart 2001-1 9211 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft 1372 Comment
  CHSC66618  Plagiobothrys mollis var. mollis Vernon H. Oswald; Lowell Ahart 1996-7-15 8010 Plumas High Cascade Range. S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. 1371 Comment
  POM73007  Plagiobothrys scouleri var. cusickii Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA769814  Plagiobothrys scouleri var. cusickii L. Ahart 2008-9-10 15394 Plumas Below high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4.5 air miles north of La Porte 1538 Comment
  CHSC60527  Plagiobothrys torreyi var. diffusus L. P. Janeway 1992-5-6 4159 Plumas Plumas National Forest. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  CHSC37536  Plantago major M. S. Taylor 1982-8-23 5033 Plumas Along rd on e side of Dutch Creek, just s of RR underpass ca.1/4 mi e of Twain. 944 Comment
  JEPS113428  Plantago major Lowell Ahart, John Dittes 2007-6-17 14183 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
  RSA718153  Plantago major L. Ahart 2006-10-23 13482 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mi northeast of Scales Road, about 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  SEINET9171248  Plantago major W. Harnach, N. Harnach 1990-6-27 423 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch (USFS), between river and railroad tracks. 1487 Comment
  SD7905  Platanthera dilatata var. leucostachys Mrs. R. M. Austin 1880-1 Plumas No further locality information on label on specimen sheet. Comment
  SEINET11448294  Platanthera dilatata var. leucostachys Unknown 1928-1 Plumas Feather River Canyon Comment
  UC485759  Platanthera leucostachys H. E. and S. T. Parks Jun 1928 Plumas Drakesbad Mt. Lassen Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  CHSC52564  Platanthera sparsiflora L. P. Janeway 1990-6-27 3728 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  SEINET10470069  Platanthera sparsiflora Mary Susan Taylor 1982-7-12 Taylor 4811 Plumas T22N R11E se/se sec 4. Blue Nose Mt quad. Headwaters of Chris Creek, ca. 6 mi nw of Mohawk. 6600 ft. 2012 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
  CHSC87989  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC97088  Poa bolanderi Lowell Ahart; Josephine Guardino 2007-7-21 14369 Plumas Around pine trees, about 20 yards north of a large meadow, about 100 yards east of the bridge, about 30 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  RSA795726  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas East side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  SACT001810  Poa bolanderi Michael Baad 1976-8-7 Plumas 1 mile west of trail head to Bear lake to trail head along road ro Rubicon Springs from Lake Tahoe. 2011.0 Comment
  CAS-BOT-BC255093  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  CAS-BOT-BC255095  Poa compressa Mrs. H. C. Cantelow 1951-7-31 21 Plumas Near Mohawk Tavern Comment
  JEPS102735  Poa compressa Lowell Ahart 2001-7-17 8898 Plumas In a small meadow, on the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC57465  Poa cusickii L. P. Janeway; Garrett Gibson 1991-6-24 4062 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  JEPS113647  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2007-6-16 14112 Plumas On dry soil, east of a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS76243  Poa palustris W. L. Jepson 1939-8-16 19437 Plumas Portola Comment
  UC1132696  Poa palustris E. Sawyer 1935-5-24 39 Plumas 1 1/4 mi w Kerby; Sierraville Quadrangle Comment
  CAS-BOT-BC247377  Poa pratensis M. S. Taylor 1982-6-14 4655 Plumas Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville 1536 Comment
  CAS-BOT-BC247386  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 miles west of Chester on rte. 36 1828 Comment
  UC1132726  Poa pratensis subsp. pratensis C. G. Albertus 1935-7-20 214 Plumas 1 1/2 mi sw Lava Peak; Plumas Nat'l Forest, Downieville Quadrangle Comment
  UCR146410  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas Northern Sierra Nevada Mountains, 1 mile west of Portola, along highway 24 1473 Comment
  UC1132615  Poa secunda subsp. juncifolia E. Sawyer 1935-6-25 155 Plumas 1 1/2 mi n Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1676 Comment
  UC579310  Poa secunda subsp. juncifolia E. Sawyer 1935-6-25 153 Plumas 1 1/2 mi e Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1676 Comment
  UCD92399  Poa secunda subsp. juncifolia G. L. Stebbins Jr. 1939-7-9 2918 Plumas North side of Sierra Valley, 2 miles W of Vinton. 1524 Comment
  CAS-BOT-BC242958  Poa secunda subsp. secunda A. A. Beetle 1941-6-28 2794 Plumas 10 miles W of Chester, route 36, mountain meadow near small stream Comment
  JEPS115950  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  SEINET7864987  Poa secunda var. secunda W. Harnach, N. Harnach 1990-5-12 291 Plumas Sierra Valley, Wilson brothers ground, South of Marble Lane on Co. Road, A-23 1515 Comment
  CAS-BOT-BC6511  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  NY546655  Poa sierrae J. T. Howell 1967-5-9 42204 -[male] Plumas Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon 609.6 Comment
  CHSC41173  Poa wheeleri L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-9 Plumas Plumas N.F. ECOS plot 11-127. Along ridge between Indian Cr and Hungry Cr and near the confluence of Hungry and Middle Creeks. 1554 Comment
  CHSC53183  Poa wheeleri L. P. Janeway 1989-6-12 3295 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1706 Comment
  CHSC72476  Poa wheeleri L. P. Janeway 1998-6-24 5684 Plumas South side of Road 25N11 0.15 mi west of the Frenchman Lake dam. 1725 Comment
  UC1137044  Poa wheeleri August L. Hormay Plumas Long Canyon near R.R. Plots Long Canyon; Plumas Nat'l Forest Comment
  CAS-BOT-BC244321  Podagrostis humilis John Thomas Howell 1960-7-18 35525 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC110523  Polygonum James T. Vale 1980-9-18 s.n. Plumas Sierra Nevada. Sand bar of Feather River just above Caribou road. Comment
  JEPS83027  Polygonum amphibium var. stipulaceum M. S. Taylor 1982-9-8 5124 Plumas ca 4 air mi s Greenville (n side of reservoir); Greenville SW quad, Round Valley Reservoir 1371 Comment
  SEINET10871689  Polygonum arenastrum Mary Susan Taylor 1982-9-13 Taylor 5134 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CHSC76805  Polygonum aviculare L. P. Janeway 1997-9-29 5364 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Common along edge of dirt road. 944 Comment
  JEPS81644  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas vicinity of Calpine Rd (109) bridge Portola quad., Feather River, Ramelli Ranch (base, ca 1 mi w of Beckwourth) 1487 Comment
  CDA15371  Polygonum douglasii G. F. Hrusa 1997-6-26 13886 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CHSC103128  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16116 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC30933  Polygonum douglasii subsp. douglasii M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3351 Plumas In mud along Grizzly Creek, s side of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1524 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
  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
  JEPS113780  Polygonum douglasii subsp. johnstonii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13989 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
  SEINET11934480  Polygonum minimum Unknown 1985-1 5139 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of Feather River 1585 Comment
  UC1136143  Polygonum phytolaccifolium Beryl O. Schreiber 1938-7-10 2530 Plumas 1/4 mi s U.C. Forestry Camp (nr Mdw. Valley); Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC419884  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 37806 Plumas Sierra Valley near Beckwourth 1487 Comment
  CDA19264  Polygonum polygaloides subsp. esotericum G. D. Barbe, T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CHSC82455  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9822 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CDA28561  Polygonum sawatchense G. D. Barbe 1982-6-9 3659 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  SFV10662  Polypodium californicum M. L. Vincent 1968-6-10 856 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  JEPS103024  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  JEPS103690  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC76837  Polypodium glycyrrhiza John Thomas Howell; Gordon H. True 1967-5-9 42212 Plumas Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  JEPS94289  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on the w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork of the Feather River, Caribou Road 792 Comment
  SEINET4889926  Polypogon monspeliensis W. Harnach 1989-5-27 121 Plumas Sierra Valley. Hot wells on north side of Marble Lane. Collected within 6 inches of water at the head of the hot well. 1490 Comment
  CDA14665  Polystichum imbricans G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3105 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC4183  Polystichum imbricans J. E. Bowlin 1967-3-8 2 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CAS-BOT-BC72356  Polystichum imbricans subsp. imbricans John Thomas Howell 1960-7-20 35748 Plumas Boiling Springs Lake 1798 Comment
  CDA18675  Polystichum lemmonii G. D. Barbe, T. C. Fuller 1982-6-15 3729 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  SEINET10867043  Polystichum lemmonii Mary Susan Taylor 1980-9-27 Taylor 3348 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  CHSC33930  Populus trichocarpa M. S. Taylor 1981-8-5 4161 Plumas At jct of Pierce and Indian Creeks, ca. 1 mi n of Fruit Growers Blvd (28N03), ca. 2 air mi w of Antelope Lake. 1676 Comment
  SJSU6437  Porterella carnosula N. A. Hopkins 1971-6-19 401 .5 Plumas seven miles south of Beckwourth, southeastern Plumas County 1524 Comment
  CHSC8775  Potamogeton alpinus S. Chulasmai 1966-5-13 33 Plumas Honey Lake. Comment
  CHSC81433  Potamogeton foliosus var. foliosus Lowell Ahart 2001-9-18 9280 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CHSC90302  Potamogeton natans L. P. Janeway 1994-8-24 4751 Plumas Northern High Sierra Nevada. Shallow pond in South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  CAS-BOT-BC453790  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1421 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC453794  Potamogeton natans E. K. Balls 1950-9-9 15733 Plumas West of Lakes Center Public Campground, southern Plumas County 2042 Comment
  CAS-BOT-BC540033  Potentilla biennis Greg Sommers 1976-8-4 212 Plumas Sierra Nevada, along road near west end Dyson Lane 1524 Comment
  CAS-BOT-BC540035  Potentilla biennis John Thomas Howell 1977-8-11 52687 Plumas Sierra Nevada, Canyon of Little Last Chance Creek, between Chilcoot and Frenchmans Reserovoir 1706 Comment
  UCR207982  Potentilla glandulosa subsp. hansenii Lyman Benson 1932-7-29 3988 Plumas Sierra Nevada Mtns., Bucks Lake, Feather River Drainage 1585 Comment
  CHSC27327  Potentilla gracilis T. B. Devine 1978-8-5 466 Plumas Ca 1/4 mi n of Butterfly Valley Botanical Area. 1097 Comment
  CDA19274  Potentilla gracilis var. elmeri G. D. Barbe, T. C. Fuller 1982-6-17 3858 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CHSC102743  Potentilla gracilis var. fastigiata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16144 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
  CAS-BOT-BC540075  Potentilla gracilis var. fastigiata Anna Head 1920-7-25 s.n. Plumas Lake Center 1920 Comment
  CAS-BOT-BC158451  Potentilla gracilis var. flabelliformis Fred Sommers; Greg Sommers 1976-7-13 158 Plumas Sierra Valley Marsh, 1 km. south of metal bridge on Dyson Lake 1524 Comment
  CHSC1577  Potentilla millefolia 1932-5-29 Plumas Near Chester. 1463 Comment
  CHSC60141  Potentilla rivalis L. P. Janeway 1992-11-4 4320 Plumas Plumas National Forest. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y). Below high water level, ca 200 ft from present water level. 1755 Comment
  UCD113967  Poteridium annuum Tofsrud 1948-7-1 s.n. Plumas Between Meadow Valley and Bucks. Comment
  CAS-BOT-BC47621  Primula suffrutescens Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC20841  Prunella vulgaris var. lanceolata K. R. Stern 1975-7-24 5814 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC158597  Prunus John Thomas Howell; R. C. Barneby 1954-5-14 29551 Plumas Beckwourth Pass 1584 Comment
  RSA309589  Prunus emarginata James R. Shevock 1972-5-19 1794 Plumas Hwy. 147, E side of Lake Almanor 1402 Comment
  SEINET3143622  Prunus emarginata E. K. Balls 1950-9-5 15679 Plumas Thompson Creek, main trail off La Porte Road, off Hwy 24, E of Quincy 1524 Comment
  SEINET10483446  Prunus emarginata Mary Susan Taylor 1981-7-17 Taylor 4046 Plumas T21N R12E ne/sw sec 7, Sierra City NW quad; Lakes Basin, Long Lakes trail on S ridge above Long Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1981 Comment
  SEINET10483447  Prunus emarginata Mary Susan Taylor 1982-5-25 Taylor 4531 Plumas 4800 ft. T23N R10E nw/sw sec 25. Blue Nose Mt quad. Jct of Peoria Creek Rd (23N10), and Cold Water Creek, 2.5 mi n of Nelson Creek Bridge, ca. 4 air mi sw of Sloat. 1463 Comment
  SEINET7346795  Prunus emarginata C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  SEINET7346803  Prunus emarginata A. A. Heller, P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  UC1128459  Prunus virginiana var. demissa C. G. Albertus 1935-8-9 257 Plumas Plumas National Forest, Bells Bar Bells Bar; Plumas National Forest, Bells Bar 1249 Comment
  SEINET10483101  Prunus virginiana var. demissa Mary Susan Taylor 1974-5-18 Taylor 249 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  CAS-BOT-BC356963  Pseudognaphalium canescens John Thomas Howell 1976-7-16 51880 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC357347  Pseudognaphalium microcephalum John Thomas Howell 1959-9-22 34832 Plumas Wolf Creek 1371 Comment
  CAS-BOT-BC357352  Pseudognaphalium microcephalum Thomas H. Kearney 1944-8-14 155 Plumas Near Prattville, Lake Almanor Comment
  JEPS8018  Pseudognaphalium thermale Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3479 Plumas 1.3 mi e, along Highway 36 Chester; Mud Creek Valley, California State Highway 36 1380 Comment
  CHSC89508  Pseudostellaria jamesiana G. Douglas Barbe; T. C. Fuller 1982-7-16 3759 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 miles south of Green Flat, Plumas National Forest. 1981 Comment
  JEPS87622  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas about 3/4 mi (air) se Pilot Peak (on Bunker Hill Ridge, on n side of Pacific Crest Trail); n side of Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  JEPS106032  Pseudostellaria sierrae Lowell Ahart, Josephine Guardino 2004-5-24 10938 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1224 Comment
  JEPS115099  Pseudotsuga menziesii var. menziesii Lowell Ahart, John Dittes 2009-7-13 16058 Plumas East side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC361845  Psilocarphus oregonus Mary Strong Clemens 1920-6-7 s.n. Plumas Greenville Comment
  SEINET6033386  Pteridium aquilinum var. pubescens M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls o Jamison Creek, above Johnsville 1859 Comment
  CAS-BOT-BC460527  Pterospora andromedea M. S. Taylor 1981-6-2 4588 Plumas On W side of spur road off 23N49, 0.5 mi. S of its junction with 23N49, just SW of Mt. Jackson, ca. 3 air mi. N of Mohawk 1524 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
  RSA7874  Purshia tridentata var. tridentata H. A. Barker 1927-7-1 758 Plumas Blairsden 1372 Comment
  UC1128544  Purshia tridentata var. tridentata E. Sawyer 1935-5-21 13 Plumas 2.5 mi e Beckwith Butte; Sierraville Quad. 1524 Comment
  CDA13988  Pycnanthemum californicum G. F. Hrusa 1996-8-2 13450 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, ca. 1 mi. NW of Argentine Rock. Comment
  CHSC111240  Pycnanthemum californicum B. Castro; L. P. Janeway 2007-8-18 1673 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  JEPS121763  Pycnanthemum californicum B. Castro and L. P. Janeway 2007-8-18 1673 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and William Loop (railroad). Comment
  UC635151  Pyrola asarifolia H. L. Mason 1924-6-26 1091 Plumas near Blairsden Comment
  CHSC102077  Pyrola dentata Lowell Ahart; John Dittes 2009-7-14 16065 Plumas On dry soil, on the both sides 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
  CHSC33879  Pyrola picta M. S. Taylor 1981-7-21 4090 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  UC1584012  Pyrrocoma apargioides G. Schoolcraft 1990-6-4 2072 Plumas about 5 mi e Beckwourth (on s side of Hwy 70) 1490 Comment
  CHSC84502  Pyrrocoma lucida John Dittes; Lowell Ahart 2003-8-8 2003 -82 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 3.9 air-miles east of Portola, ca. 0.7 air-mile southwest of Beckwourth, ca. 0.1 air-mile south of Middle Fork Feather River. Meadow at edge of Beckwourth-Calpine Road (A23). 1488 Comment
  JEPS100331  Pyrrocoma lucida Dean W. Taylor 2001-7-19 17836 Plumas Frenchman Lake, along road on west side of reservior about 0.7 miles South of Grisby Creek 1706 Comment
  SD90413  Pyrrocoma lucida R. F. Thorne, C. W. Tilforth 1969-9-6 39238 Plumas Bank of Feather River, 1 mile southwest of Beckwourth 1355 Comment
  UC295911  Pyrrocoma lucida Katharine Brandegee 1913-1 Plumas Portola Comment
  SFV17673  Quercus chrysolepis J. M. Tucker 1948-7-25 1736 Plumas Sierra Nevada Summit of "Lava Cap," about 1 mile south of Cascade. 1436 Comment
  UC338832  Quercus chrysolepis unknown 360 Plumas Indian Valley Comment
  UCR106824  Quercus chrysolepis J. M. Tucker 1948-7-25 1736 Plumas Summit of 'Lava Cap', c. 1 mi south of Cascade 1436 Comment
  CHSC90301  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade. 1440 Comment
  JEPS48091  Quercus durata var. durata Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2700 A Plumas 54 mi n Oroville (Feather River Canyon at Rich Bar (sign), just w of and above Feather River, 0.25 mi below (downstream) Pulga Bridge on Highway 40 Alt.); Feather River Canyon 731 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  UCD169284  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8988 Plumas Along Road 26N22F (to top of Red Hill) 2.4 road km from Deadwood Saddle; 2.6 air km east of the summit of Red Hill. 1594 Comment
  UC566171  Quercus kelloggii C. W. Hanks 1934-8-18 58 Plumas nw Upper Long Valley Sierraville Quad. 1676 Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  JEPS95835  Quercus vacciniifolia Lowell Ahart 1999-7-15 8095 Plumas about 100 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  CHSC47664  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of Quincy La Porte Road, about 1 1/4 miles north-west of Pilot Peak. 1828 Comment
  CHSC21213  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-17 210 Plumas Buck's Lake. Comment
  UC485116  Ranunculus alismifolius var. alismifolius K. N. Austin July 1896 396 Plumas Kings Valley Lassens Peak Comment
  UC1075704  Ranunculus alismifolius var. alismifolius Robert J. Weatherby 1955-6-22 1536 Plumas meadow below Spanish Peak 2133 Comment
  CHSC98349  Ranunculus alismifolius var. hartwegii L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  CHSC97611  Ranunculus aquatilis var. aquatilis Lowell Ahart; John Dittes 2007-6-16 14130 Plumas In shallow water, in a small stream, meadow, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC46710  Ranunculus aquatilis var. diffusus V. Oswald; W. Dempsey 1989-8-24 3966 Plumas Domingo Spring, ca. 8 mi wnw of Chester. In Domingo Creek. 1560 Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC81144  Ranunculus cymbalaria var. saximontanus Lowell Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC1191441  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-18 1373 Plumas just s Chester (marshes at n end of lake); Lake Almanor, Last Chance Marshes Comment
  CHSC108715  Ranunculus flammula var. ovalis B. Castro; L. P. Janeway 2003-9-7 1457 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. At a pair of ponds, at E edge of smaller upper pond ca 8 ft above water's edge. 2063 Comment
  UC1126209  Ranunculus occidentalis F. W. Embree 1934-6-12 109 Plumas Haskins Valley Plumas National Forest, Bidwell Bar Quadrangle (w end) Comment
  HSC24661  Ranunculus occidentalis var. occidentalis John Pratt 1970-6-19 24 Plumas Intersection of Rock Creek and Hwy. 36 Comment
  SEINET8700041  Ranunculus occidentalis var. occidentalis C. Tanner 1999-5-17 s.n. Plumas Portola, along both sides of Todd Road, ca 0.25 mile S of C. Roy Carmichael school. 1487 Comment
  CAS-BOT-BC56574  Rhododendron columbianum Lewis S. Rose 1969-6-24 69052 Plumas Butterfly Valley, 5 mi. west of Keddie 1310 Comment
  CAS-BOT-BC56575  Rhododendron columbianum Walter Knight; Irja Knight 1966-6-18 1289 Plumas Butterfly Valley 1143 Comment
  UCD117870  Rhododendron columbianum J. M. Tucker 1951-8-2 2206 Plumas About 1 mile west of Keddie. Comment
  CDA20456  Rhododendron occidentale B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  CHSC112061  Ribes cereum var. cereum L. P. Janeway 2014-7-15 11530 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC52954  Ribes cereum var. cereum L. P. Janeway 1989-6-20 3353 Plumas Plumas National Forest. Beckwourth Ranger District. East-facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  SEINET3840875  Ribes cereum var. cereum M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe 1982-6-16 3795 Plumas Below Mud Lake, three fourths miles northeast of Eisenheimer Peak, Red fir, White fir, Jeffrey pine and Lodgepole pine forest community, USGA Quadrangle: Kettle Peak 7.5 2100 Comment
  CAS-BOT-BC219212  Ribes nevadense David D. Keck 1932-7-3 1628 Plumas Mountain slope S of Quincy 1066 Comment
  CAS-BOT-BC219217  Ribes nevadense Mrs. H. C. Cantelow 1949-6-10 1 Plumas Feather River Canyon Comment
  CAS-BOT-BC219228  Ribes nevadense W. I. Follett 1946-4-7 s.n. Plumas Feather River Canyon 670 Comment
  JEPS28655 Image available Ribes nevadense George W. Gillett 1957-7-19 857 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanie National Park 2057 Comment
  UC2042977  Ribes nevadense Barbara Ertter with Gary Schoolcraft 1990-5-14 8975 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  SEINET5339753  Ribes nevadense M. J. Williams 1967-4-22 s.n. Plumas 1 mile w. of Storrie, Rocky bank 518 Comment
  UC1127577  Ribes roezlii D. Axelrod 1934-6-4 4 Plumas American House Plumas National Forest, Downieville Quadrangle Comment
  CHSC46658  Ribes viscosissimum Lowell Ahart 1989-7-2 6355 a Plumas About 10 miles north-east of La Porte, about 1/4 mile north of Pilot Peak, growing on dry bare soil in openings, north of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak. 2103 Comment
  SEINET10480670  Rorippa Mary Susan Taylor 1981-7-13 Taylor 4000 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
  UCD147787  Rorippa curvisiliqua Allyson Ayalon; Lucie Jerabkova 2012-8-1 140 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CHSC103135  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2009-9-7 16379 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC81108  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102812  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-8-29 9247 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UCD19152  Rosa June McCaskill 19__? 321 Plumas Lake Almanor region? Comment
  CHSC87832  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10999 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
  JEPS105835  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10999 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
  UC467811  Rosa bridgesii H. M. Hall June 1912 9261 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  CAS-BOT-BC148172  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2468 Plumas Darlingtonia Bog - Butterfly Botanical Area and vicnity 1097 Comment
  CAS-BOT-BC148177  Rosa gymnocarpa Anna Head 1920-7-15 s.n. Plumas Gray Eagle Falls Meadows, Feather River Region Comment
  CHSC60142  Rosa gymnocarpa L. P. Janeway 1992-6-10 4229 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .3 mi southwest of Little Grizzly Creek. 1813 Comment
  HSC102789  Rosa gymnocarpa L. Ahart, John Dittes 2009-7-15 16078 Plumas About 2.8 air miles SE of Butt Valley Reservoir Dam, NE of Forest Service Rd. 26N67, south side of FS Road 26N671 1703 Comment
  JEPS102516  Rosa gymnocarpa Lowell Ahart 2001-9-18 9270 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  JEPS47240  Rosa gymnocarpa W. L. Jepson 1939-8-2 19328 Plumas Meadow Valley 1158 Comment
  JEPS99059  Rosa gymnocarpa Lowell Ahart 2002-6-26 9764 Plumas Near a small drainage, NE of the small meadow and gravel road, about 2 miles (air) NW of Little Grass Valley Reservoir dam, about 5 miles (air) NW of La Porte. 1734 Comment
  SD8427  Rosa gymnocarpa Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC149731  Rosa woodsii subsp. ultramontana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2378 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CHSC84415  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, about 2 1/4 miles (by road) east of Beckwourth Calpine Road, about 4 miles (air) southeast of Beckwourth, Sierra Valley. 1527 Comment
  JEPS102526  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  UC711930  Rosa woodsii subsp. ultramontana Roxana S. Ferris and Laura Lorraine 1941-8-8 10413 Plumas Greenville 1091 Comment
  JEPS102528  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  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
  UC1128624  Rubus parviflorus F. W. Embree 1934-6-6 69 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UC1128645  Rubus parviflorus G. Burks 1933-8-8 25 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  CAS-BOT-BC156918  Rubus ursinus John Thomas Howell 1967-6-23 42707 Plumas Butterfly Valley 1066 Comment
  CAS-BOT-BC156922  Rubus ursinus Walter Knight; Irja Knight 1967-9-16 2251 Plumas Butterfly Botanical Area and Vicinity. Near pond reservoir 1097 Comment
  SEINET10483611  Rubus ursinus Mary Susan Taylor 1982-5-23 Taylor 4518 Plumas T25N R7E ne/nw sec 20. Almanor SW quad. S side of Caribou Rd, ca. 1/10 mi n of its jct with Hwy 70, ca. 3 mi e of Belden. Shoo-fly formation; 2400 ft. 731 Comment
  SEINET3376696  Rumex acetosella C. Lumer, S. Yost 2006-7-27 2450 Plumas Sierra Nevada Mountains. Route 70 going West from Quincy, along the Feather River.. 731 Comment
  CAS-BOT-BC422038  Rumex acetosella John Thomas Howell 1960-7-21 35800 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC81811  Rumex fueginus Lowell Ahart 2001-10-16 9374 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC109297  Rumex paucifolius John Thomas Howell 1962-6-18 37770 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC433760  Rumex pulcher John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2358 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  UC1070564  Rumex salicifolius var. denticulatus C. G. Albertus 1935-7-20 201 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  CHSC97035  Rumex salicifolius var. triangulivalvis L. P. Janeway; B. Castro 2007-6-9 9036 Plumas Northern High Sierra Nevada. Central part of Thompson Valley just wouthwest of the main channel; 1.5 km north of Red Clover Creek. Occasional in one of several small channels headcutting into a wet meadow. 1666 Comment
  CAS-BOT-BC434312  Rumex triangulivalvis John Thomas Howell; Gordon H. True 1967-7-9 43268 Plumas At Quincy 1036 Comment
  SEINET10965517  Sagina saginoides Lowell Ahart 1985-7-11 Ahart 5131 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
  CHSC44256  Sagittaria cuneata Vernon Oswald 1988-7-19 3599 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  JEPS32202  Sagittaria cuneata W. L. Jepson 1918-8-17 8036 Plumas Sierra Valley 1524 Comment
  CAS-BOT-BC445680  Sagittaria cuneata John Thomas Howell 1926-7-24 2109 Plumas Lake Almanor near Prattville 1371 Comment
  CAS-BOT-BC103621  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1651 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  CAS-BOT-BC103630  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Trail to Elwell at spring on ridge, Gold Lake Region Comment
  CAS-BOT-BC107968  Salix geyeriana John Thomas Howell 1955-7-20 30840 Plumas Mohawk 1371 Comment
  UC525905  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather R. ca. 5 mi s.w. of Prattville Comment
  CHSC110599  Salix jepsonii B. Castro; L. Janeway 2006-6-3 1575 Plumas Northern High Sierra Nevada. NE side of Lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  UCD111499  Salix lasiandra Michael A. Vincent 1999-6-7 8535 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  UC481914  Salix lasiandra subsp. lasiandra C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 a Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  CAS-BOT-BC125301  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC125321  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1514 Plumas East of Pond Reservoir 1094 Comment
  CAS-BOT-BC125330  Salix lasiandra var. lasiandra John Thomas Howell 1977-8-11 52675 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CAS-BOT-BC107054  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell 1967-5-8 1786 Plumas Mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC107160  Salix lasiolepis var. bigelovii John Thomas Howell; T. C. Fuller 1981-6-25 54353 Plumas 4.8 miles northwest of Antelope Reservior - Sierra Nevada 1661 Comment
  CAS-BOT-BC128426  Salix lasiolepis var. lasiolepis Wayne Dakan 1974-9-1 s.n. Plumas Feather River Canyon near Tobin 611 Comment
  CAS-BOT-BC124788  Salix lemmonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54095 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC125110  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  SBBG57908  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 394 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  UC482036  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CDA18490  Salix lucida subsp. caudata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3365 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road. 1645 Comment
  CAS-BOT-BC129384  Salix melanopsis John Thomas Howell 1959-9-21 34769 Plumas Bars of N. Fork Feather River near Belden - Sierra Nevada 701 Comment
  JEPS14873  Salix melanopsis John Warren Duffield 1937-5-30 Plumas in Meadow Valley Creek near rd. into U. C. Forestry Camp; Meadow Valley Creek 1158 Comment
  LA208872  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N fork of Feather River, at Chester, at hwy bridge 1350.0 Comment
  UCD63045  Salix scouleriana Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Blackhawk Road. Butterfly Valley. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  UC1136481  Salsola tragus C. W. Hanks 1934-8-13 47 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., n.e. Sierra Valley Comment
  CHSC92193  Sambucus mexicana Lowell Ahart; John Dittes 2005-9-20 12455 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-BC238849  Sambucus nigra subsp. caerulea John Thomas Howell 1924-8-10 612 Plumas Crescent Mills 1219 Comment
  UC401137  Sambucus racemosa var. microbotrys unknown Plumas 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
  RSA0089041  Sanguisorba annua Bonnie C. Templeton 1968-6-9 11251 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. Comment
  UC1123194  Sanicula graveolens A. Lewis 1934-6-12 473 Plumas 4 1/2 mi W of Lexington Hill (Mooreville Ridge) 1493 Comment
  JEPS26572  Sanicula graveolens Lauramay T. Dempster 1961-6-15 1460 Plumas near Engelmine 1950 Comment
  CHSC62524  Sanicula tuberosa B. Castro 1993-7-8 474 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  HSC21643  Sanicula tuberosa Jim Vaughn 1996-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen Area, Mt. Lassen Natl. Park 1829 Comment
  JEPS28623  Sanicula tuberosa George W. Gillett 1957-7-18 810 Plumas Lassen Volcanic National Park, ne side of Boiling Springs Lake Boiling Springs Lake Boiling Springs Lake Boiling Springs La; Lassen Volcanic National Park, Boiling Springs Lake 1813 Comment
  UC105886  Sarcodes sanguinea Mrs. R. M. Austin Plumas Comment
  UCD13235  Sarcodes sanguinea Dean Dubbe 1974-4-27 7- 2 Plumas California: Plumas Co. Plumas National Forest. Butterfly Valley. Along hwy 89, 2 mi W of Keddie. Elev. 3700 ft. 1127 Comment
  SEINET10483035  Saxifraga aprica Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4472 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  SEINET7722839  Saxifraga bryophora Unknown Plumas Spanish Peak Comment
  CHSC21677  Sceptridium multifidum D. Brink; L. Mayer 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC278217  Schedonorus arundinaceus John Thomas Howell 1966-7-29 42019 Plumas Quincy 1036 Comment
  CAS-BOT-BC111269  Schoenoplectus acutus var. occidentalis John Thomas Howell 1961-9-23 36857 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC111276  Schoenoplectus acutus var. occidentalis V. Oswald; Lowell Ahart 1988-8-4 3667 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC111572  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terrases, Drakesbad. 1737 Comment
  UC1609498  Schoenoplectus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  CAS-BOT-BC35588  Scirpus congdonii John Thomas Howell 1962-6-17 37650 Plumas Butterfly Valley 1036 Comment
  CHSC78749  Scirpus congdonii L. P. Janeway 2000-7-16 6917 Plumas Northern High Sierra Nevada. Meadow at head of East Branch Coldwater Creek. 1768 Comment
  CHSC87997  Scirpus congdonii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11168 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC56891  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  JEPS115943  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-BC214189  Scutellaria John Thomas Howell 1977-6-21 52384 Plumas Seneca, Sierra Nevada 1097 Comment
  SEINET8020038  Scutellaria angustifolia subsp. micrantha A. A. Heller, P. B. Kennedy 1907-7-15 8843 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UCD128399  Sedum obtusatum subsp. boreale Albert Grigarick 2012-7-8 330 Plumas Gray Eagle Trail. 3/4 mi NW of Grass Lake. 1888 Comment
  CHSC65092  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1995-7-24 7116 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CAS-BOT-BC341176  Senecio hydrophiloides L. P. Janeway; Garrett Gibson 1991-6-12 4001 Plumas Plumas National Forest, Beckwourth Ranger District. Along Poco Creek, ca 0.8 mi northeast of Red Clover Creek (off the northwest end of Red Clover Valley) 1664 Comment
  CHSC57419  Senecio hydrophiloides L. P. Janeway; Garrett Gibson 1991-6-12 4001 Plumas Plumas National Forest. Meadow along Poco Creek, ca 0.8 mi northeast of Red Clover Creek (off the northwest end of Red Clover Valley). 1664 Comment
  SJSU15156  Senecio hydrophiloides N. A. Hopkins 1993-6-16 1730 Plumas by Beckwourth-Janesville Rd N of Milford Fork 1524 Comment
  CDA18667  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas NF. 1783 Comment
  CHSC37028  Senecio integerrimus var. exaltatus M. S. Taylor 1982-5-7 4416 Plumas Ramelli Ranch, s side of Feather River, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  CHSC85480  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  RSA0124939  Senecio integerrimus var. exaltatus Michael A. Vincent 1999-6-7 8527 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  LA204249  Senecio integerrimus var. major Lewis S. Rose; 1931-4-13 sn Plumas Woodleaf Comment
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Mar 30 2016
  CAS-BOT-BC341187  Senecio lugens L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CHSC112595  Senecio vulgaris Lowell Ahart 2013-9-11 19027 A Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC102662  Sericocarpus oregonensis Lowell Ahart; John Dittes 2009-8-28 16358 Plumas On dry bare soil, on the northeast side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC240246  Setaria viridis John Thomas Howell 1961-9-22 36806 Plumas Greenville 1088 Comment
  JEPS102716  Setaria viridis Lowell Ahart 2001-10-8 9323 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  UC583398  Sidalcea asprella subsp. nana Elmer I. Applegate 1934-5-3 8905 Plumas near and n Quincy; near and n of Quincy Comment
  UC1873587  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 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
  SDSU8172  Sidalcea malviflora subsp. asprella R. M. Beauchamp 1965-7-17 Plumas 1/2 mile north of Chester Comment
  CHSC102640  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16134 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC110611  Sidalcea oregana subsp. spicata B. Castro; G. Kuenster 2006-8-4 1586 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Off N end of large wet meadow on W side of Thompson Creek, ca 800 ft below edge of open Ponderosa-Jeffrey pine forest, near area dominated by Artemesia cana, also with A. tridentata and Chrysothamnus viscidiflorus. 1669 Comment
  JEPS113545  Sidalcea oregana subsp. spicata Lowell Ahart, Josephine Guardino 2007-7-21 14371 Plumas Around pine trees, about 5 yards north of a large meadow, about 150 yards east of the bridge, about 60 yards south of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis 1793 Comment
  RSA15058  Sidalcea oregana subsp. spicata Daniel Cleveland 1882-7-20 s.n. Plumas Prattville Comment
  CAS-BOT-BC384317  Silene bernardina John Thomas Howell; Gordon H. True 1973-7-31 50113 Plumas Summit ridge of Thompson Peak. Diamond Range 2194 Comment
  CHSC21352  Silene douglasii F. T. Griggs; A. Pass 1975-8-7 319 Plumas Mt. Pleasant. Buck's Lake. Comment
  CHSC36856  Silene douglasii M. S. Taylor 1982-7-21 4894 Plumas Around s end of Backs Creek Ridge, ca. 5 mi se of Quincy. 1752 Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CHSC36995  Silene douglasii var. douglasii M. S. Taylor 1982-8-5 4924 Plumas Mt Hough summit, ca. 7 air mi nne of Quincy. 2203 Comment
  CHSC63126  Silene douglasii var. douglasii Lowell Ahart 1994-6-29 7407 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CHSC41377  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  JEPS118429  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
  CAS-BOT-BC389395  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CHSC43411  Silene lemmonii Lowell Ahart 1975-7-16 887 Plumas West of the South Fork of the Feather River, about 1 mile south-west of the Feather Fork Mine, about 5 miles north of La Porte. 1828 Comment
  UC333406  Silene lemmonii unknown 1889-5-28 Plumas Mohawk Valley Comment
  CAS-BOT-BC389393  Silene lemmonii D. E. Breedlove 1962-6-12 3449 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg 1341 Comment
  POM181049  Silene lemmonii A. A. Heller, B. B. Kennedy 1907-7-11 8814 Plumas Prattville. Comment
  RSA7884  Silene nuda H. A. Barker 1927-7-16 s.n. Plumas Along Feather River near Mohawk. 1372 Comment
  CAS-BOT-BC389557  Silene nuda David D. Keck 1938-8-9 4896 Plumas 1 mi. W. of Portola 1480 Comment
  JEPS50952  Silene nuda W. L. Jepson 1918-8-16 8012 Plumas dry flats near Taylorsville; near Taylorsville 1097 Comment
  UC170969  Silene sargentii H. M. Hall 1912-7-12 9349 Plumas Long Lake Sierra Nevada Mountains, Long Lake 2042 Comment
  RSA0089040  Sisyrinchium elmeri Bonnie C. Templeton 1968-6-9 11252 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  JEPS62153  Smilacina racemosa Esther C. Fritz 1933-7-2 Plumas Spanish Peak; slopes Comment
  JEPS62157  Smilacina racemosa Esther C. Fritz 1933-7-2 Plumas creek bed above and w Meadow Valley; Schneider Creek 1188 Comment
  CAS-BOT-BC365518  Solidago elongata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC365522  Solidago elongata Lewis S. Rose 1966-7-28 66072 Plumas Quincy 1066 Comment
  UC88141  Solidago elongata D. Cleveland 1882-7-20 Plumas Prattville Comment
  CAS-BOT-BC365754  Solidago spectabilis F. Sommers 1976-8-10 1186 Plumas Sierra Valley along Marble Lane 1487 Comment
  SD51283  Solidago spectabilis Darley F. Howe 1961-8-4 3133 Plumas East side of Lake Almanor, 6.0 miles from junction with Highway 89 at south end of lake. 1372 Comment
  UC1999887  Solidago spectabilis J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9310 Plumas CA-89, about 3 km W of Taylorsville, Hough Creek. Comment
  CAS-BOT-BC365120  Solidago velutina subsp. californica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2442 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC365124  Solidago velutina subsp. californica L. P. Janeway 1990-8-15 3828 Plumas Plumas National Forest, Beckwourth Ranger District. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1844 Comment
  CHSC115747  Sorbus scopulina L. P. Janeway 2015-8-3 11818 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 4.9 road-km north of Oroville-Quincy Hwy and Grizzly Summit; 1.6 air-km north-northeast of Grizzly Summit. 1596 Comment
  POM186824  Sparganium angustifolium subsp. emersum D. D. Keck 1666 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  CHSC36916  Sparganium emersum subsp. emersum M. S. Taylor 1982-8-17 5007 Plumas In Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  SD122534  Spergularia rubra Lowell Ahart 1984-6-3 4657 Plumas At Keddie, north of Quincy, on a road along Highway 70, Yellow Pine Forest Comment
  JEPS113513  Sphenosciadium capitellatum Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14481 Plumas About 40 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis 1773 Comment
  SEINET3157051  Sphenosciadium capitellatum E. K. Balls 1950-9-7 15700 Plumas southern Plumas county; Lakes Center Public Campground 2042 Comment
  JEPS46110  Spiraea densiflora Duncan Dunning 1922-7-16 Plumas 4 mi n Gibsonville; Onion Valley Comment
  RSA59178  Spiraea densiflora E. K. Balls 1950-9-1 15604 Plumas East of Long Lake, 2134 Comment
  CAS-BOT-BC149662  Spiraea douglasii Alice Eastwood 1927-6-1 14693 a Plumas Greenville, United States Forest Reserve 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
  SBBG33889  Spiraea douglasii L. S. Rose 1969-6-24 69049 Plumas Butterfly Valley, S of Keddie 1158 Comment
  UCD147802  Spiraea douglasii Allyson Ayalon; Lucie Jerabkova 2012-8-1 155 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  LA208285  Spiraea splendens E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  SEINET3853113  Spiraea splendens Unknown 1938-1 Plumas Onion [?] Valley Comment
  CHSC95151  Spiranthes porrifolia R. D. Fischer; Jenny Marr 2004-8-7 853 Plumas Northern Sierra Nevada between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  UC1192307  Spiranthes stellata Malcolm A. Nobs and S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley; bog and marsh Comment
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Sep 30 2013
  CHSC13626  Stachys ajugoides var. rigida M. S. Taylor 1974-7-3 300 Plumas Ca. 25 ft e of road, opposite Darlingtonia Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  CHSC52074  Stachys ajugoides var. rigida L. P. Janeway 1990-8-24 3834 Plumas Plumas National Forest. At edge of Coldwater Cr at crossing of dirt road ca 1 1/2 mi W of Red Clover Cr. Site disturbed by the road crossing. 1981 Comment
  CHSC77056  Stachys ajugoides var. rigida L. P. Janeway 1996-8-20 5076 Plumas Granite Basin; adjacent to Road 23N18 at crossing of Little North Fork Feather River. 1389 Comment
  UC723801  Stachys ajugoides var. rigida Joseph Andorfer Ewan 1934-7-8 8595 Plumas Dentens Sierra Nevada, Middle Fork Feather River 1615 Comment
  SEINET10499278  Stachys rigida subsp. rivularis Mary Susan Taylor 1974-7-3 Taylor 300 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  JEPS122100  Stachys rigida var. rigida Lowell Ahart 2014-8-24 19745 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS115898  Stellaria crispa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS95377  Stellaria crispa Lowell Ahart 1994-6-17 7356 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CDA3546  Stellaria neglecta L. P. Janeway 1996-5-7 4960 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  JEPS103593  Stellaria umbellata Lowell Ahart 2002-6-26 9757 Plumas In a meadow, on the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CHSC52765  Stenotus acaulis L. P. Janeway 1990-7-4 3763 Plumas Northwest slope overlooking SW corner of Frenchman Lake, 0.2 mi W of the dam. 1722 Comment
  CAS-BOT-BC5619  Stenotus acaulis Amos Arthur Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC375616  Stephanomeria lactucina John Thomas Howell 1924-8-11 632 Plumas Two miles east of Chester on roa