Search Results — 2000 specimen records retrieved (1452 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY201867  Abies magnifica J. B. Walker 1994-8-4 877 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
Read comments
Apr 13 2010
  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
  UC496446  Acer glabrum var. glabrum Merle Randall 1920-6-26 Plumas Falls on Hawley Grade Comment
  CHSC100117  Acer glabrum var. torreyi L. P. Janeway; David Toren 2008-9-15 9596 Plumas Northern High Sierra Nevada. Plumas National Forest; along South Branch Middle Fork Feather River at Cascade Creek, 500 m upstream of the Road 22N95 bridge; 1.8 km northwest of Cascade. Northwest-facing bank of the creek. 1132 Comment
  CHSC70216  Acer glabrum var. torreyi B. Castro 1989-8-4 346 Plumas Ca 3.5 air mi SE of Bucks Lake, on N-facing flank of Mt. Ararat, ca 0.5 mi E of jct USFS Rds 23N19, 23N65, and the road to the top of Mt. Ararat. 1737 Comment
  RSA29665  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  RSA88570  Acer glabrum var. torreyi J. T. Howell 1951-6-28 27700 Plumas Eureka Peak 1982 Comment
  SEINET12765773  Acer glabrum var. torreyi D. W. McNeal 1991-7-23 3841 Plumas Above the N end of Long Lake, Lakes Basin.; 0 Comment
  CAS-BOT-BC333233  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  SD7293  Acer macrophyllum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1131586  Achnatherum hymenoides C. W. Hanks 1934-8-6 9 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (nw end) Comment
  UC1131589  Achnatherum hymenoides C. W. Hanks 1934-8-13 45 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC210696  Achnatherum lemmonii A. A. Heller; P. B. Kennedy 1907-7-3 8712 Plumas Hills above Red Clover Valley Comment
  CHSC67748  Achnatherum lemmonii James D. Jokerst 1984-7-11 2100 Plumas Ward Creek Hydro Survey: Top of ridge on exposed bedrock S of Genesee Valley, W of Ward Creek. 1584 Comment
  UC1523704  Achnatherum lettermanii Gary Schoolcraft 1982-6-9 691 Plumas s of Beckworth 1584 Comment
  CHSC102063  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  UC333430  Achnatherum occidentale subsp. californicum unknown 1889-5-1 Plumas Johnson's Grade Comment
  CHSC60167  Achnatherum occidentale subsp. pubescens L. P. Janeway 1992-6-8 4223 Plumas Plumas National Forest. About 0.3 mi south of Hwy 70/89 at Lee Summit. 1359 Comment
  CHSC100326  Acmispon americanus var. americanus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC874  Acmispon grandiflorus var. macranthus D. Crummett 1937-5-14 Plumas Ten mi. south of Belden. 716 Comment
  CAS-BOT-BC391466  Aconitum columbianum subsp. columbianum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC412613  Aconogonon alaskanum Paul F. Covel 1937-7-20 738 Plumas Pass east Buck's Ranch Comment
  CAS-BOT-BC412895  Aconogonon davisiae John Thomas Howell 1951-6-28 27692 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC412891  Aconogonon davisiae Anna Head 1920-7-1 s.n. Plumas Summit of peak above Round Lake, Feather River Region 2286 Comment
  JEPS115559  Actaea rubra Lowell Ahart, John Dittes 2009-7-27 16178 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  UC1584686  Adenocaulon bicolor Jerry Powell 1986-7-23 1495 Plumas 5 mi n, in Feather River Canyon Blairsden; Feather River Canyon Comment
  SEINET12334048  Agastache urticifolia L. P. Janeway 1989-1 3350 Plumas Crocker Mt Quad, near top of Crocker Mt 2195 Comment
  RSA184946  Ageratina occidentalis L. S. Rose 1966-7-27 66063 Plumas Butterfly creek and Spanish creek, 1 mile south of Keddie. stream banks. 991 Comment
  CAS-BOT-BC15457  Agoseris glauca var. glauca Gladys L. Smith 1976-6-7 4570 Plumas Rte. A23 between Rte. 70 and Calpine, just north of road to Hot Springs about 6 miles north of Sierra Co. line 1524 Comment
  CHSC106221  Agoseris glauca var. laciniata Arthur C. Barrett 1915-6-20 42 Plumas Indian Cr. near Lone Rock Cr. 1630 Comment
  SEINET12911692  Agropyron trachycaulum var. trachycaulum C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded on N by alley, S by Quincy Street, E by Willow Street, W by Rock Street). 1484 Comment
  RSA59477  Agrostis E. K. Balls 1950-9-15 15874 Plumas 5 miles. S. E. of Graeagle, Sulphur Creek, Hwy 89 1372 Comment
  CHSC116373  Agrostis Sara M. Taylor; Scott Batiuk 2012-9-12 72 Plumas Plumas National Forest. Slope Fen. Take Mile High Rd (off of Bucks Lake Rd) going north, pass Mill Creek Campground and get onto dirt Rd 24N33 to Mill Creek trailhead. Walk ~1.5 north and then east 3/4 mile to meadow. UTM zone 10, 4424057 N, 655718 E. 1987 Comment
  CAS-BOT-BC127086  Agrostis exarata John Thomas Howell 1960-7-19 35664 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127102  Agrostis exarata Clare B. Hardham 1970-8-8 17701 P Plumas Road to Thompson Peak Lookout. 2133 Comment
  CHSC40957  Agrostis exarata J. D. Jokerst 1984-7-10 2095 Plumas Along the edges of Indian Creek east of Genesee Valley. 1264 Comment
  UC1024642  Agrostis exarata Leo Whitney 1934-8-14 2217 Plumas ca 9 mi nw Portola (nw end of valley, near source of creek); Plumas National Forest, Big Grizzly Valley, Freeman Creek 1828 Comment
  UCD52334  Agrostis exarata John Thomas Howell 1976-7-16 51904 Plumas Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139610  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1531 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC139411  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  UCD52983  Agrostis idahoensis John Thomas Howell 1960-7-23 25956 Plumas Drakesland, near Soda Spring. 1676 Comment
  CDA13973  Agrostis pallens G. F. Hrusa 1996-8-2 13437 Plumas Sierra Nevada; 1 mi. NW of Argentine Rock. on trib. of Squirrel Creek. Comment
  CAS-BOT-BC138706  Agrostis scabra Clare B. Hardham 1970-8-8 17701 J Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC138716  Agrostis scabra Lowell Ahart 1980-10-6 2667 Plumas Sierra Nevada. Lake, 0.5 mile west of Fowler Peak. 1700 Comment
  JEPS110551  Agrostis scabra Lowell Ahart 2006-10-23 13493 Plumas On the west side of Slate Creek(there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Strawberry Valley 1281 Comment
  SACT000171  Agrostis scabra Malcolm Nobs, S. Smith 1949-8-18 Plumas Plants caespitose; in bloom in water, past blooming on dried areas Comment
  CAS-BOT-BC131950  Allium Catherine Best 1980-6-13 s.n. Plumas Hwy. A23 - 3 mi south of Beckwourth Comment
  SEINET260553  Allium campanulatum M. Cutler, J Cutler 1992-6-2 Plumas Plumas National Forest ; Ca 12.5 mi NW of Quincy; Bucks Lake Rd to Spanish Ranch; FS 25N17 then 25N59 to stand #108 1585 Comment
  CAS-BOT-BC466468  Allium campanulatum C. R. Quick 1957-6-15 57 -09 Plumas About 1 mile south of Lake Almanor Comment
  CAS-BOT-BC466606  Allium campanulatum H. C. Cantelow 1939-5-20 2554 Plumas Indian Highway 11 mi. s.e. of Prattville Comment
  CAS-BOT-BC466616  Allium campanulatum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1934 Plumas Between valley proper and Darlingtonia bog 1066 Comment
  RSA101470  Allium campanulatum R. Weatherby 1955-7-2 1569 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  SEINET8119070  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-11 8815 Plumas Prattville. Comment
  SEINET10471984  Allium lemmonii Mary Susan Taylor 1982-6-10 Taylor 4627 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  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
  CHSC43321  Allium platycaule Lowell Ahart 1975-7-9 856 Plumas About 1 mile west of Pilot Peak. 1981 Comment
  CHSC57461  Allium platycaule L. P. Janeway; Garrett Gibson 1991-6-11 4000 Plumas Plumas National Forest. Above Poco Creek ca 0.4 mi north-east of Beckwourth-Genesee Road (rd 111) and Red Clover Creek. 1706 Comment
  CAS-BOT-BC474088  Allium platycaule Lowell Ahart 1983-7-20 4200 Plumas About 1/4 mile east of the Feather Fork Mine, about 5.5 miles north of La Porte 1800 Comment
  NY334877  Allocarya ambigens A. A. Heller 1907-7-2 8682 Plumas Between Vinton and Beckwith Comment
  NY380655  Allocarya ambigens A. A. Heller 1907-7-2 8682 Plumas Between Vinton and Beckwith Comment
  CDA17285  Allophyllum gilioides subsp. violaceum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16312 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CDA18452  Allophyllum integrifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3190 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  RSA71080  Allophyllum integrifolium L. S. Rose 1951-6-28 51062 Plumas Johnsville. 1601 Comment
  CHSC62353  Allotropa virgata B. Castro; R. Fallscheer, R. Zebell 1989-8-15 397 Plumas Ca 5 air mi S of Bucks Lake, ca 0.5 mi E of Coldwater Creek, and ca 0.2 mi S of Ohio Ravine. 1682 Comment
  CAS-BOT-BC171356  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1782 Plumas Butterfly Botanical Area and vicinity. Fern Glen 1097 Comment
  RSA452808  Alnus incana subsp. tenuifolia B. C. Templeton 1967-4-23 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  UC1135170  Alnus incana subsp. tenuifolia C. G. Albertus 1935-8-8 256 Plumas 3 mi se English Bar; Plumas National Forest, Downieville Quadrangle Comment
  UC1135118  Alnus rhombifolia C. G. Albertus 1935-7-23 230 Plumas 1 1/4 mi se Spring Garden Ranch; Plumas National Forest, Downieville Quadrangle Comment
  CHSC40449  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  SEINET4342383  Alopecurus carolinianus W. Harnach, N. Harnach 1991-6-21 560 Plumas Sierra Valley, next to R/R bridge east of Co. Rd. A-23 1487 Comment
  CHSC24247  Alopecurus geniculatus K. R. Stern 1975-7-23 Plumas W. Side of Lake Almanor. Comment
  RSA6248  Alopecurus geniculatus D. D. Keck 1932-7-5 1667 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  JEPS110456  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola 1487 Comment
  UCD112870  Amelanchier alnifolia Michael A. Vincent 1999-6-7 8536 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  CHSC98312  Amelanchier alnifolia var. pumila L. P. Janeway 2007-5-20 8990 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather River to the north); at junction of Roads 25N17, 25N57, 25N59. Southeast-facing slope of rocky serpentine soil. 1573 Comment
  CAS-BOT-BC136779  Amelanchier utahensis Walter Knight; Irja Knight 1966-6-18 1301 Plumas Butterfly Valley 1143 Comment
  CAS-BOT-BC136789  Amelanchier utahensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1510 Plumas At north end of Pond Reserve 1097 Comment
  CAS-BOT-BC136800  Amelanchier utahensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC1127757  Amelanchier utahensis R. Roseberry 1934-11-4 7 Plumas 0.5 mi w Bungalow; Downieville Quad. 1371 Comment
  UC1127769  Amelanchier utahensis F. W. Embree 1934-6-6 92 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  UC1061755  Amsinckia tessellata var. tessellata E. Sawyer 1935-6-14 102 Plumas 3/4 mi w of Sugarloaf 1524 Comment
  RSA59692  Anaphalis margaritacea E. K. Balls 1950-9-9 15761 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  SEINET10536191  Anemone drummondii Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4470 Plumas T26N R9E sw/se sec 6. Almanor NE quad. Jcts of rds 27N39 & 26N18, ca. l/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. On serpentine. 5400 ft. 1646 Comment
  RSA0091370  Anemone lyallii Bonnie C. Templeton 1968-1 11290 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC65114  Anemone oregana Vernon H. Oswald; Lowell Ahart 1995-7-24 7104 Plumas High Cascade Range. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. 1950 Comment
  JEPS95586  Angelica breweri Lowell Ahart 1994-7-28 7530 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SEINET10454674  Angelica breweri Mary Susan Taylor 1982-9-8 Taylor 5120 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC59317  Antennaria argentea John Thomas Howell; Gordon True 1969-6-23 45821 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC59318  Antennaria argentea John Thomas Howell 1975-6-16 51140 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC2042994  Antennaria argentea Barbara Ertter with Gary Schoolcraft 1990-5-14 8987 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  SEINET10475042  Antennaria argentea Mary Susan Taylor 1982-5-14 Taylor 4446 Plumas T22N R13E ne/nw sec 14. Portola quad. Open rocky ridge above Turner Springs Rd, ca. l mi s of Hwy 114(Clio-Portola Rd), ca. 2 air mi sw of Portola. 5400 ft. 1646 Comment
  UC600424  Antennaria argentea H. F. Copeland 1920-7-17 406 Plumas Butt Mountain (between Plumas and Tehama counties) Tehama County Comment
  CHSC56839  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 B Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  CAS-BOT-BC58702  Antennaria geyeri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54356 Plumas Near Indian Creek about 0.75 miles northwest of the northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC58698  Antennaria luzuloides A. A. Heller; P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CAS-BOT-BC58697  Antennaria luzuloides L. P. Janeway; Garrett Gibson 1991-6-13 4006 Plumas 0.25 mi. WNW of Claireville Flat, ca. 0.5 mi. SE of Hwy 70 and Willow Creek 1484 Comment
  CHSC60518  Antennaria luzuloides subsp. aberrans L. P. Janeway 1992-5-22 4192 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. 1487 Comment
  JEPS96117  Anthoxanthum odoratum Vernon H. Oswald and Lowell Ahart 1996-7-15 8052 Plumas just s of Last Chance Campground (on Forest Road 28N11, Last Chance Marsh at the n end of Lake Almanor, High Cascade Range); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  CHSC83615  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 2001-6-28 7243 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
  JEPS50773  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9288 Plumas just e Rich Bar (along Feather River Highway) 762 Comment
  RSA371545  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas Hwy. 70, 0.3 miles NE of NE end of bridge at intersection of Pulga Road and Hwy. 70. 488 Comment
  CAS-BOT-BC162068  Apera interrupta L. P. Janeway 1992-7-1 4244 Plumas Plumas National Forest. Beckwourth Ranger District. North side of Middle Fork Feather River along moist drainage of Bonta Creek across a gravel bar of the river. 1310 Comment
  OBI10236  Aphanes occidentalis Lewis S. Rose 1967-5-7 67065 Plumas 3 mi W of Keddie. Butterfly valley 945 Comment
  RSA189369  Aphanes occidentalis L. S. Rose 1967-5-7 67065 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  CHSC21571  Apocynum androsaemifolium D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake. Comment
  UCSB71626  Apocynum androsaemifolium 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SBBG2091  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-8-15 8847 Plumas near mouth of Little Grizzly Crk below Genesee Comment
  UC1125883  Aquilegia formosa A. Lewis 1934-6-12 478 Plumas 2 mi sw Fewler Peak; Downieville quad 1615 Comment
  SEINET10448419  Arabis constancei Mary Susan Taylor 1981-8-25 Taylor 4237 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  UC614549 Image available Arabis constancei L. Constance 1938-6-9 2309 Plumas 7.3 mi se Quincy (above Middle Fork of the Feather River); ; above Feather River, Plumas Co. 1219 Comment
  SEINET10973507  Arabis constancei Mary Susan Taylor, M. Foster 1981-6-15 Taylor 3893 Plumas T24N R8E w half nw sec 13, Bucks Lake quad; S side of Bucks Lake Rd, ca. 50 ft E of jct with 24N29 (rd to Deanes V.), ca. 2 mi NE of Meadow Valley; serpentine outcrop with scattered basaltic outcrop in Mixed Coniferous Forest; 3800 ft. 1158 Comment
  UC174584  Arabis glabra A. A. Heller and P. B. Kennedy 1907-7-11 8810 Plumas Prattville Comment
  CDA13435  Arabis holboellii var. retrofracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13282 Plumas Sierra Nevada; Plumas National Forest. Above Bull Run Creek off USFS 23N12E. Comment
  CDA18445  Arabis holboellii var. retrofracta G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3170 Plumas Sierra Nevada; Plumas National Forest. 4.6 miles south of junction Long Valley and Rush Creek Roads, 1402 Comment
  SEINET10448328  Arabis holboellii var. retrofracta Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3820 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
  SEINET10448423  Arabis inyoensis Mary Susan Taylor 1982-7-21 Taylor 4893 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  UC1504456  Arabis rectissima var. rectissima Reed C. Rollins and Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi nw Beckwourth Comment
  UC972183  Arabis sparsiflora Milo S. Baker 1952-5-27 12475 Plumas Camp Storrie Feather River Canyon 457 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  CHSC101921  Arceuthobium abietinum Lowell Ahart; John Dittes 2009-7-14 16069 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  CHSC102747  Arceuthobium americanum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16147 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
  SD71013  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas Drakesbad 1676 Comment
  CHSC54867  Arceuthobium californicum Vernon H. Oswald 1991-8-23 4840 Plumas Lassen Volcanic Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2255 Comment
  CHSC55291  Arceuthobium campylopodum L. P. Janeway 1989-9-6 3641 Plumas Plumas National Forest. Beckwourth Ranger District. Crocker Compartment. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  SD46735  Arceuthobium campylopodum Robert J. Weatherly 1955-8-6 1674 Plumas Near Claremont Peak, Qunincy area 2012 Comment
  JEPS123950  Arceuthobium campylopodum subsp. abietinum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  HSC99906  Arctostaphylos mewukka subsp. mewukka J. O. Sawyer, & J. P. Smith 2004-7-15 4574 Plumas Along road to Belden on Hwy. 70, on the N Fork Feather River. 675 Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CAS-BOT-BC40010  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1919-8-1 s.n. Plumas Gold Lake region Comment
  CAS-BOT-BC40011  Arctostaphylos nevadensis Mrs. Joseph Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC40015  Arctostaphylos nevadensis Alice Eastwood 1927-6-15 14593 Plumas Forest Lodge near Greenville Comment
  RSA550617  Arctostaphylos nevadensis J. T. Howell, T. C. Fuller, G. D. Barbe, Donna Howell 1981-6-24 54265 Plumas Rocky sumit ridge, Mt. Hough. 2204 Comment
  SD147957  Arctostaphylos nevadensis Robert J. Weatherby 1955-6-22 1538 Plumas Spanish Peak 2135 Comment
  SD46619  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Lakes Basin area, Mt. Elwell 2195 Comment
  SEINET7262939  Arctostaphylos patula W. Harnach, N. Harnach 1990-4-13 255 Plumas Sierra Valley, 0.5 miles N of the Sierra/Plumas Co. line on Co. Rd. A-23, Barry Hill (McElroy on maps) 1615 Comment
  CHSC21101  Arctostaphylos patula subsp. patula F. T. Griggs; A. Pass 1975-7-3 77 Plumas Buck's Lake. N. of Grizzly Forebay. Comment
  CAS-BOT-BC47027  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. 944 Comment
  CAS-BOT-BC47028  Arctostaphylos viscida subsp. viscida Catherine Toschi 1963-7-2 s.n. Plumas 2 mi. nw. of Greenville. Comment
  OBI14484  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi W of Keddie, Butterfly Valley 945 Comment
  UCD23332  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 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
  JEPS113813  Arenaria kingii var. glabrescens Lowell Ahart, John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-BC82219  Arnica chamissonis John Thomas Howell 1926-7-30 2157 Plumas Prattville 1371 Comment
  CHSC36834  Arnica chamissonis M. S. Taylor 1981-6-25 3948 Plumas Ramelli Ranch, ca. 1/8 mi S of Hwy 70 ca. 1/2 mi SW of Beckwourth. Around North Fork Feather River. 1493 Comment
  CHSC33815  Arnica cordifolia M. S. Taylor 1981-6-3 3841 Plumas N side of 24N57, ca. 0.5 mi SE of Little Summit Lake. Ca. 11 mi NW of Portola. 1828 Comment
  CHSC64418  Arnica dealbata B. Castro; G. Kuenster 1994-7-5 522 Plumas On the north end of Mooreville Ridge, ca. 0.75 mi SW of Devil's Gap, on W side of USFS Rd 21N16. Near the western edge of the ridge. 1554 Comment
  CHSC94185  Arnica dealbata Lowell Ahart 2006-7-3 12906 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the west edge of a dry open basalt flat with scattered trees. 1527 Comment
  CHSC95150  Arnica dealbata R. D. Fischer; Jenny Marr 2004-8-7 852 Plumas Northern Sierra, Butt Valley Reservoir, ca. 2.5 miles south of Lake Almanor off Hwy 89. 1402 Comment
  RSA718391  Arnica dealbata L. Ahart 2006-7-3 12906 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18 1528 Comment
  UC1070448  Arnica dealbata G. T. Nordstrom 1934-7-9 198 Plumas 0.75 mi sse Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  CAS-BOT-BC82494  Arnica discoidea Mary Strong Clemens 1920-6-25 s.n. Plumas Taylorsville Comment
  CHSC23868  Arnica discoidea Lowell Ahart 1976-7-16 Plumas 1/2 mi above the Middle Fork of the Feather River, 5 mi NW of Little Grass Valley Res. 1828 Comment
  CHSC61397  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1993-8-11 5781 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Park. 1767 Comment
  CHSC70219  Arnica discoidea B. Castro; R. Fallscheer 1989-8-7 352 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1783 Comment
  RSA59698  Arnica discoidea E. K. Balls 1950-9-9 15767 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  UCD107452  Arnica mollis Tim Kuhn 2006-6-30 23 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC90056  Arnica nevadensis C. R. Quick 1945-7-25 45 -72 Plumas Butt Creek on road to Humbug Valley Comment
  CHSC60508  Arrhenatherum elatius L. P. Janeway 1992-6-4 4214 Plumas Plumas National Forest. Between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  CHSC67617  Arrhenatherum elatius James D. Jokerst 1985-6-10 2406 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CAS-BOT-BC146263  Arrhenatherum elatius var. elatius John Thomas Howell; H. Keith Wagnon 1980-5-26 53593 Plumas Sierra Nevada. North Fork of Feather River between the mouth of East Branch and Caribou. 792 Comment
  CAS-BOT-BC146264  Arrhenatherum elatius var. elatius L. P. Janeway 1992-6-4 4214 Plumas Plumas National Forest. Beckwourth Ranger District. Jackson Compartment. Between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  CAS-BOT-BC85020  Artemisia arbuscula subsp. arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas North end of McReynolds Valley, ca 0.8 mi south of the 01 road in Squaw Valley. Crocker Mtn. quad. 1691 Comment
  SEINET224361  Artemisia cana John Thomas Howell 1961-9-24 Plumas Plumas County: Near Feather River bridge, SW of Beckwourth. 1487 Comment
  CHSC94863  Artemisia cana subsp. bolanderi Lowell Ahart 2006-9-21 13339 Plumas On both sides of the dirt road, about 50 yards south of the railroad tracks, about 100 yards west of Beckwourth Calpine Road, about 3/4 mile (air) southwest of Beckwourth, Sierra Valley. 1483 Comment
  SEINET6775393 Image available Artemisia douglasiana W. Harnach, N. Harnach 1989-6-17 150 Plumas Sierra Valley, collected approximately 200 ft. west of the steel bridge on the Marble Lane 1487 Comment
  CAS-BOT-BC90781  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1961-9-23 36864 Plumas Indian Valley 1082 Comment
  CHSC13882  Artemisia tridentata L. W. Blaisdell 1974-3-15 22 Plumas Abundant along Hwy 23 S. Beckwourth N. of Sattley. Sierra Valley. 1219 Comment
  CAS-BOT-BC93524  Artemisia tridentata subsp. tridentata Lewis S. Rose 1932-9-7 32638 Plumas Blairsden 1371 Comment
  SEINET252472  Artemisia tridentata subsp. wyomingensis L. M. Shultz, Heather Garrison 2006-8-3 20319 Plumas Between Quicy and Reno, ca. 2 miles west of Vinton on south-facing slope. 1513 Comment
  CAS-BOT-BC400766  Asarum lemmonii David D. Keck 1932-7-3 1642 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  RSA790003  Asarum lemmonii Rudolf W. Becking 1996-6-6 36 Plumas Keddie, Hwy. 89, Butterfly Valley Creek. Comment
  CHSC21117  Asclepias cordifolia F. T. Griggs; A. Pass 1975-7-2 27 Plumas East of Road. Buck's Lake Forest. Comment
  CHSC82543  Asclepias cordifolia Lowell Ahart 2002-7-18 9872 Plumas Meadow, about 100 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/4 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 1/4 miles (air) northwest of La Porte. 1709 Comment
  UC54560  Asclepias cordifolia H. M. Hall and E. B. Babcock July 1903 4454 Plumas Fox Creek Sierra Nevada Mountains 1524 Comment
  RSA401666B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  SEINET10923198  Asclepias fascicularis C. C. Bruce Bruce 451 Plumas Soda Springs Comment
  SEINET10496069  Asclepias speciosa Mary Susan Taylor 1982-7-7 Taylor 4788 Plumas T23N R11E nw/se sec 11. Johnsville quad. SE corner of jct of Hwy 70 and Rd 509 (to Sloat), ca. 1 mi ne of Sloat. 4200 ft. 1280 Comment
  CAS-BOT-BC69582  Aspidotis densa Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville, Round Valley Lake. Comment
  CHSC52717  Aspidotis densa L. P. Janeway 1990-7-17 3800 Plumas Plumas National Forest. Ca 0.1 mi NW of Emigrant Cr and ca 0.6 mi SW of Little Grizzly Cr. 1828 Comment
  CHSC63440  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CAS-BOT-BC97470  Aster M. S. Taylor 1981-8-19 4223 Plumas Blue Nose Mt. quad. Along creek, 0.1 mi w of Peoria Creek, ca. 2.5 mi w of Sloat 1341 Comment
  CAS-BOT-BC97471  Aster James T. Vale 1980-9-19 s.n. Plumas Bucks Lake Comment
  CAS-BOT-BC97475  Aster James T. Vale 1980-9-21 s.n. Plumas Road to Antelope Reservoir Comment
  CHSC66692  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 A Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  SEINET13709329  Aster frondosus Lowell William Ahart, Lowell William Ahart 2001-1 9268 Plumas W Side Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  SEINET10474438  Aster oregonensis subsp. californicus Mary Susan Taylor 1981-9-2 Taylor 4262 Plumas California: T26N R8E se1/4 of sec 36. Almanor SE quad. W side of 26N18, ca. 1 mi S of Onion Flat, ca. 3 mi W of Indian Falls. Mixed Evergreen Forest. Plumas County. 4800 ft. 1463 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
  SD46410  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanish Peak. 2100 Comment
  CAS-BOT-BC178758  Astragalus canadensis var. brevidens Gary Schoolcraft 1984-6-27 1273 Plumas 0.4 mile east of Chilccot 1524 Comment
  CDA26630  Astragalus canadensis var. brevidens T. C. Fuller 1968-7-1 17319 Plumas Sierra Nevada; Highway 49 to Loyalton, ca. 6 miles south of Vinton. Sierra Valley. Comment
  CHSC51063  Astragalus lentiformis L. P. Janeway 1989-6-23 3393 Plumas Plumas National Forest. Along rd 24N45Y ca 0.1 mi E of N end of Crocker Mdw. Within 25 ft of dirt road. 1752 Comment
  RSA39363  Astragalus lentiformis P. A. Munz 1947-5-16 11817 Plumas 5 Miles north of Chilcoot. 1524 Comment
  RSA726292  Astragalus lentiformis L. Ahart, John Dittes 2007-6-16 14123 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  SEINET5325465  Astragalus lentiformis W. Harnach, N. Harnach 1999-5-30 878 Plumas Gold Mtn. Development on Co Rd A-15 W of Portola, California Comment
  CHSC21577  Astragalus lentiginosus D. E. Brink Jr.; L. M. Mayer 1975-7-24 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC192850  Astragalus pulsiferae Lewis S. Rose 1955-7-19 55152 Plumas Beckworth [Beckwourth] Pass 1493 Comment
  SEINET10577024 Image available Astragalus pulsiferae John G. Lemmon 1872-1 Lemmon s.n. Plumas Sierra Valley to Pyramid Lake. Comment
  CHSC61729  Astragalus pulsiferae var. pulsiferae Diane Mastalir 1993-6-29 Plumas Plumas National Forest. 0.7 mi southeast of Chilcoot Campground; 0.1 mi southwest of Little Last Chance Creek; 10 m east of Rd 23N34, ca 50 m south of its junction with Rd 23N07. 1548 Comment
  CHSC89023  Astragalus pulsiferae var. pulsiferae L. Hanson 1987-6-16 323 Plumas Plumas National Forest. Gravel pit 5 mi. no. of Chilcoot. 1524 Comment
  SEINET5326215  Astragalus purshii var. purshii C. Tanner 1999-5-31 s.n. Plumas On S-facing grantic slope within city limits of Portola (area bounded by Plumas/Quincy Sts. On N & S, Willow and Rock Sts. On E & W 1484 Comment
  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
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 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
  SEINET11262422  Asyneuma prenanthoides Robert L. Johnson, Mikel R. Stevens 2015-7-11 3959 Plumas Spanish Creek/Indian Creek drainage. Ca 1.6 rd mi N on Hugh Spur/Shoofly/Old Quarry Rd (fronting rr-track) after jct with Hwy 70/89. Ca 0.6 air mi ssw of Indian Falls.; 0 1023 Comment
  SBBG128290  Asyneuma prenanthoides L. Ahart, J. Dittes 2009-7-15 16094 Plumas under the power line, on the S side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  CAS-BOT-BC69539  Athyrium alpestre subsp. americanum Robert J. Weatherby 1950-8-11 1518 Plumas Upper end of Long Lake, Lakes Basin Area. 2133 Comment
  CAS-BOT-BC66091  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-22 35924 Plumas near Devil's Kitchen near Drakesbad 1828 Comment
  CAS-BOT-BC66095  Athyrium filix-femina var. cyclosorum Mrs. C. C. Bruce 1899-10-1 s.n. Plumas Butterfly Valley Comment
  CHSC80790  Athyrium filix-femina var. cyclosorum Lowell Ahart 2001-7-19 8935 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC66090  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-21 35796 Plumas Drakesbad 1828 Comment
  CHSC55481  Athysanus pusillus Ben Cunningham 1991-4-20 Plumas Ca. 90 ft w of Pecks Valley road and 2 mi ne of Greenville. 1066 Comment
  UC2042978  Athysanus pusillus Barbara Ertter with Gary Schoolcraft 1990-5-14 8977 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CAS-BOT-BC494110  Atriplex truncata W. Harnach; N. Harnach 2000-8-23 1000 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  SD9157  Balsamorhiza deltoidea Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC1794996  Balsamorhiza deltoidea R. K. Brummitt 1998-5-17 19888 Plumas Rte. 89 near Indian Falls, 4 km from Rte. 70 junction, opposite Dawn Community Centre 1000 Comment
  SEINET9355340  Balsamorhiza deltoidea Unknown 1982-6-15 5637 Plumas On serpentine slope uphill, 0.8 mi W of jct of rd to Red Hill Lookout and rd to Cherry Hill. (USFS Rd #26N22F); 3.3 mi E of Red Hill Summit, Plumas National Forest. Y25N, R7E, SEC 2 BM: M Plant Systematics Lab/Herb. CDA; Dept. of Food & Agric. Comment
  CAS-BOT-BC106458  Balsamorhiza hookeri John Thomas Howell 1962-6-18 37788 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  CAS-BOT-BC106453  Balsamorhiza hookeri Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  CAS-BOT-BC106454  Balsamorhiza hookeri L. P. Janeway 1990-6-7 3704 Plumas Plumas National Forest, Bechwourth Ranger District - Mt. Ingalls quad, Forested flat on N side of Long Valley ca 1/2 mi. E 1371 Comment
  CAS-BOT-BC100096  Balsamorhiza sagittata Mary Strong Clemens 1920-5-4 s.n. Plumas Greenville Comment
  CHSC75899  Balsamorhiza sagittata G. F. Hrusa 1997-5-30 13814 Plumas Sierra Nevada. Slope on W side of Rattlesnake Creek, straddling Hwy 70 approx. 15 mi. E of Quincy. N side of Hwy 70. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  CAS-BOT-BC16571  Barbarea orthoceras Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor. Comment
  CAS-BOT-BC16575  Barbarea orthoceras Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Mount Lassen National Park. Kelly Camp. 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
  UCD15498  Barbarea orthoceras Patsy Barry 1984-5-28 23 Plumas Creek at Benner Creek Campground. 1706 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
  POM199252  Beckmannia syzigachne H. S. Yates 1912-7-5 s.n. Plumas Charles Creek, Portola. 1524 Comment
  RSA52909  Beckmannia syzigachne R. Weatherby 1950-7-27 1502 Plumas Indian Creek, 2 miles south of Crescent Mills. 1037 Comment
  RSA90036  Bidens cernua E. K. Balls 1953-7-9 18353 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  CHSC34899  Bidens frondosa M. S. Taylor 1981-9-2 4268 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. 1371 Comment
  CHSC62420  Blepharipappus scaber L. P. Janeway 1993-9-23 4601 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.7 mi east of Portola, ca 1.2 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1498 Comment
  CAS-BOT-BC16874  Boechera Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1830 Plumas The Butterfly Botanical Area and Vicinity. At confluence of Butterfly Creek and Spanish Creek. 883 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
  CAS-BOT-BC16137  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC16138  Boechera constancei M. S. Taylor 1982-6-1 4582 Plumas North side of 204, ca. 1 air mile southeast of Long Valley Mine, ca. 4 air miles west of Greenville. 1524 Comment
  CAS-BOT-BC14107  Boechera pauciflora A. A. Heller; P. B. Kennedy 1907-7-3 8713 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC14108  Boechera pauciflora Walter Knight; Irja Knight 1967-5-22 1907 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CHSC43434  Boechera pinetorum Lowell Ahart 1974-7-24 559 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1676 Comment
  CAS-BOT-BC14264  Boechera pinetorum Mrs. H. C. Cantelow 1940-5-11 3751 Plumas Near Meadow Valley Creek Ford. Comment
  CAS-BOT-BC14469  Boechera platysperma John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54268 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CAS-BOT-BC14534  Boechera puberula G. D. Barbe 1982-6-9 3654 Plumas Plumas National Forest. Southeast and below Thompson Peak, overlooking Honey Lake Valley. 2057 Comment
  CHSC94125  Boechera rectissima Lowell Ahart 2006-7-3 12908 Plumas Near the east edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  CAS-BOT-BC25581  Boechera retrofracta Mrs. H. C. Cantelow 1938-7-4 2292 Plumas Drakesbad. Comment
  CHSC53193  Boechera retrofracta L. P. Janeway 1989-6-12 3298 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  UC1552754  Boechera retrofracta Frederica Bowcutt 1985-6-6 543 Plumas About 15 air mi NE of Quincy on the SW side of Red Clover Creek and Bechwourth Genesee Road in Plumas National Forest. 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-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 Comment
  CAS-BOT-BC25596  Boechera retrofracta M. S. Taylor 1981-5-11 3685 A Plumas Along Beckwourth-Genesee Valley Road, ca. 0.5 mile south of Flournoy Bridge and junction of highway 89. 1158 Comment
  CAS-BOT-BC25726  Boechera sparsiflora Anna Head 1920-6-6 s.n. Plumas Feather River Region. Camp Rodgers. 701 Comment
  CAS-BOT-BC25723  Boechera sparsiflora W. I. Follett 1946-5-24 s.n. Plumas Chip Creek. Comment
  UCD149522  Boechera suffrutescens G. L. Stebbins 1970-7-24 7072 Plumas South of Round Lake, in Lakes Basin. South of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2072 Comment
  CAS-BOT-BC478471  Boisduvalia John Thomas Howell 1961-9-25 36946 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC478485  Boisduvalia Clarissa Kimber 1961-8-6 237 Plumas Upper Butterfly Valley, 2.5 mi. W turn off Hwy 89 - US 40 alt. 1 mi S Keddie 1158 Comment
  CHSC82519  Botrychium minganense Lowell Ahart 2002-7-6 9839 Plumas In the large meadow are three large aspens in a south to north line, go west about 40 yards to the small lodgepole pine, about 20 feet to the north is a bracken fern bank, moonwort is just before the bracken fern and a little east, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1608 Comment
  SD9250  Botrychium multifidum Mrs. R. M. Austin 1876-1 Plumas Comment
  JEPS99054  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  JEPS99055  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9863 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  UC477511  Boykinia occidentalis L. S. Smith July, 1930 2518 Plumas Milk Camp-White Rock; Tahoe Nat. Forest, Milk Camp-White Rock 762 Comment
  JEPS124511 Image available Brasenia schreberi Brad Davidson 1973-7-19 Plumas Plumas National Forest, Butterfly Valley. Comment
  CAS-BOT-BC106275  Brickellia californica W. I. Follett; E. B. Follett 1962-8-8 s.n. Plumas Sierra Nevada - East Branch of North Fork Feather River at Rich Bar Comment
  UC178760  Brickellia grandiflora Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC117560  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas Steep slope on the south side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam 1857 Comment
  JEPS127337  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas About 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  SEINET10474493  Brickellia greenei Mary Susan Taylor 1981-7-18 Taylor 4057 Plumas T25N R7E nw/nw sec 4, Almanor SW quad. On steep rocky to talus serpentine, N side of Caribou Rd, ca. 3 mi NE of its jct with Hwy 70 near Belden; 2800 ft elev. 853 Comment
  SEINET8716679 Image available Brodiaea ixioides Stanton A. Coor 1938-1 s.n. Plumas Plumas Co. Alt. 6300. Onion Valley. Comment
  UC1075728  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Ranger Station, USFS 1066 Comment
  CAS-BOT-BC484591  Brodiaea purdyi Robert J. Weatherby 1955-7-15 1642 Plumas Quincy Rnager Station, USFS, Quincy 1066 Comment
  CAS-BOT-BC148705  Bromus carinatus var. marginatus Hans Leschke 1955-8-30 s.n. Plumas Lassen Volcanic National Park. Near Sulphur Works entrance station. 2133 Comment
  CAS-BOT-BC148711  Bromus carinatus var. marginatus John Thomas Howell 1975-7-22 51369 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CAS-BOT-BC148715  Bromus carinatus var. marginatus John Thomas Howell 1955-7-19 30756 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC148717  Bromus carinatus var. marginatus John Thomas Howell 1962-6-17 37687 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC44546  Bromus carinatus var. marginatus Lowell Ahart 1978-7-29 1793 Plumas About 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  UCD59120  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35931 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC148701  Bromus carinatus var. marginatus George W. Gillett 1957-7-17 794 Plumas Lassen Volcanic National Park. Moist gully running into stream running from Little Willow Lake into Willow Lake. 1767 Comment
  UC1037103  Bromus catharticus Leo Whitney 1934-8-7 3011 a Plumas 10 mi nw of Portola (3 mi n of the Cate Place, Plumas National Forest, Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CAS-BOT-BC155315  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43377 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  CDA14045  Bromus inermis subsp. inermis G. F. Hrusa, T. D. Wilfred 1996-8-1 13417 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Large rhizomatous colony on old log landing. Light shade to full sun. Culms to 4 ft. Comment
  CAS-BOT-BC162143  Bromus orcuttianus John Thomas Howell 1926-7-20 2088 Plumas Near Prattville. 1463 Comment
  CAS-BOT-BC162144  Bromus orcuttianus John Thomas Howell 1968-6-11 2368 Plumas Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creeek. 883 Comment
  CAS-BOT-BC162148  Bromus orcuttianus John Thomas Howell 1951-6-28 27656 Plumas Sierra Nevada. Johnsville. 1584 Comment
  SBBG115913  Bromus orcuttianus J. T. Howell 1975-7-22 51363 Plumas ca. 2 mi NW of Spring Garden 1173 Comment
  UCD59058  Bromus orcuttianus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
  CAS-BOT-BC162012  Bromus racemosus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1637 Plumas Butterfly Botanical Area and Vicinity. Area at north of Pond Reservoir. 1097 Comment
  UCD59660  Bromus secalinus Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  CAS-BOT-BC161636  Bromus sterilis John Thomas Howell; Gordon H. True 1968-6-10 44556 Plumas Sierra Nevada. Quincy. Along railroad. 1036 Comment
  CHSC74037  Bromus suksdorfii B. Castro 1998-10-7 858 Plumas Ca 4 air mi NE of Little Grass Valley Reservoir, on slope just W of Co. Rd 511. Ca 50 ft W of jcn of Co. road and USFS Rd 22N21, at edge of alder drainage. 1889 Comment
  CHSC53227  Bromus tectorum L. P. Janeway 1989-6-15 3320 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1676 Comment
  CHSC82550  Bulbostylis capillaris Lowell Ahart 2002-7-18 9865 Plumas About 120 yards south of the road to Tamarack Flat, on the south side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1718 Comment
  CAS-BOT-BC185352  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Plumas Lakes Center Public Campground. 2042 Comment
  CHSC65876  Calamagrostis canadensis L. P. Janeway 1995-10-11 4941 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground on east side of Gold Lake Hwy opposite the entrance to the campground. Meadow drainage. 1923 Comment
  CHSC116364  Calamagrostis canadensis Sara M. Taylor; Scott Batiuk 2012-8-1 62 Plumas Plumas National Forest. Jacks Meadow. From Quincy head west on Bucks Lake Rd, right onto Silver Lake Rd (24N29X). Go until 1 km south of Silver Lake, on left is drainage (Jack's Creek). Park and hike along drainage for ~700 m. UTM zone 10, 4423691 N, 659621 E. 1676 Comment
  CHSC69486  Calamagrostis koelerioides James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2550 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  CHSC81142  Calandrinia ciliata Lowell Ahart 2001-8-28 9215 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
  JEPS102649  Calandrinia ciliata Lowell Ahart 2001-8-28 9215 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
  UCSB45745  Callitriche heterophylla Reisentz, Paul 1979-5-12 Plumas 4 miles north of Injun Jim Campground; 2.7 miles south of Beldon on Highway 70 Comment
  RSA443111  Calocedrus decurrens L. Ahart, J. Jokerst 1985-10-4 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1829 Comment
  SD6515  Calochortus Mrs. R. M. Ausin Jun 1878 Plumas Mt. Dyer. Comment
  UC170966  Calochortus coeruleus H. M. Hall 1912-6-25 9395 Plumas Nelson Point Sierra Nevada Mountains 1371 Comment
  CHSC67719  Calochortus leichtlinii James D. Jokerst 1979-7-25 Plumas Ca. 20 m S of Meadow Creek, ca. 400 m E of forest service road to Deans Meadow. Comment
  CHSC67721  Calochortus leichtlinii James D. Jokerst 1979-8-8 281 Plumas Summit of Ben Lomand Pk. Ca. 3.0 mi N of Belden. Comment
  JEPS61668  Calochortus leichtlinii Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2072 Comment
  CAS-BOT-BC491832  Calochortus leichtlinii Alice Eastwood 1927-6-27 14882 Plumas On road from Chilcott Comment
  UCSB16089  Calochortus leichtlinii Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89, 2 miles south of Graeagle, Sierra Nevada 1402 Comment
  JEPS17809  Calochortus minimus W. L. Jepson 1910-6-5 4073 Plumas Warner Valley 1524 Comment
  CHSC49645  Calochortus nudus Vernon Oswald 1984-7-12 1572 Plumas S side of Lotts Lake. 1975 Comment
  SD7979  Caltha howellii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meadows Comment
  CHSC60916  Calyptridium monospermum Vernon H. Oswald 1993-6-17 5550 Plumas Lassen Volcanic National Park. N side of Hot Springs Creek between the Warner Valley Ranger Station and the S boundary of the park. Scattered plants on an open slope. 1621 Comment
  SEINET223662  Calystegia fulcrata subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1067 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
  CHSC76051  Calystegia occidentalis subsp. occidentalis G. F. Hrusa 1997-5-30 13822 Plumas S of Hwy 70 approx. 15 mi. E of Quincy. Dry creekbank on W side of Rattlesnake Creek. 1300 Comment
  UC583536  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley Warner Valley; Mount Lassen Region, Drakesbad, Warner Valley Comment
  RSA39722  Camassia quamash subsp. breviflora Philip A. Munz 1947-5-16 11814 Plumas 5 miles north of Chilcoot 1524 Comment
  RSA39782  Camissonia tanacetifolia subsp. quadriperforata P. A. Munz 1947-5-16 11823 Plumas 8 miles north of Chilcoot. 1524 Comment
  SEINET10463286  Campanula prenanthoides Reed 1941-7-31 Reed s.n. Plumas FOREST LODGE, DRY HILLSIDE 3500 Comment
  SEINET10840315  Campanula prenanthoides Reed 1941-7-31 Reed s.n. Plumas Forest Lodge 1067 Comment
  SEINET10463712  Campanula scouleri Ames 1876-1 AMES s.n. Plumas Comment
  CHSC77204  Cardamine breweri G. Schoolcraft 1997-8-5 2632 Plumas Rock Creek. 1746 Comment
  CHSC87813  Cardamine breweri var. breweri Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11065 Plumas On the margins of a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
  CAS-BOT-BC37822  Cardamine nuttallii M. S. Taylor 1982-6-1 4580 Plumas Between spur road and 27N92, northwest of Goldstripe Mine, ca. 4 air miles west of Greenville. 1615 Comment
  UC1736743  Cardamine nuttallii Dean W. Taylor 1997-4-9 15946 Plumas n of Greenville (along Hwy 89); Plumas National Forest, Wolf Creek 1097 Comment
  CAS-BOT-BC38099  Cardamine pachystigma Lewis S. Rose 1967-5-7 67060 Plumas South of Keddie. Butterfly Creek and Spanish Creek. 883 Comment
  JEPS117925  Cardamine pachystigma John Dittes 2005-7-4 1195 Plumas drainage of Lights Creek ca. 10.8 air miles northeast of Taylorsville ca. 7.3 air miles southwest Diamond Mountain ca. 4.2 air miles east of Moonlight Peak east of Lght Creek; Cascade Range 1295 Comment
  JEPS96797  Cardamine 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
  CHSC118777  Cardamine pensylvanica Elizabwth Kramer 2015-5-20 2015 -004 Plumas Plumas National Forest. Silver Creek, north of Forest Service 24N29X, west of 24N56, near Meadow Valley. (UTM 663727E, 4422262 N, NAD83 Zone 10N.) 1160 Comment
  RSA52953  Cardamine pulcherrima R. Weatherby 1950-5-31 1435 Plumas West shore of Lake Almanor. 1418 Comment
  JEPS101186  Carex amplifolia Dean W. Taylor 2000-9-14 17590 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  CAS-BOT-BC17927  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  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
  JEPS107598  Carex angustata Lowell Ahart, Josephine Guardino 2005-8-10 12316 Plumas In small wet meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  RSA754926  Carex angustata L. Ahart, Josephine Guardino 2005-8-10 12316 Plumas Along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1822 Comment
  CHSC20767  Carex athrostachya K. R. Stern 1975-7-23 5868 Plumas nw shore of Lake Almanor. 1371 Comment
  SEINET10585099  Carex athrostachya David Castaner 1984-5-28 Castaner 8059 Plumas Almanor, Along highway 89. Comment
  CHSC101949  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
  CHSC65853  Carex bolanderi L. P. Janeway 1995-8-30 4904 Plumas Along West Branch Humbug Creek 2.3 mi south of Smith Peak. 1630 Comment
  RSA700309  Carex bolanderi L. Ahart 2004-7-27 11312 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SD107305  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas Ca. 3 miles west on Humboldt Road; branching west of Highway 89; west of Lake Almanor; shade. 1524 Comment
  CAS-BOT-BC34200  Carex canescens John Thomas Howell 1976-7-15 51841 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  SEINET7553523 Image available Carex canescens L. P. Janeway 2003-7-9 7904 Plumas High Cascade Range. South edge of marsh at southeast end of Willow Lake. Mt. Harkness 7.5' quad. 1656 Comment
  CAS-BOT-BC34406  Carex cusickii John Thomas Howell 1976-7-15 51835 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CHSC54878  Carex disperma Jim Battagin 1991-8-8 Plumas Plumas National Forest. Along Grigsby Creek, ca 1/1/4 mi east-northeast of Dixie Mountain. 2057 Comment
  CAS-BOT-BC20591  Carex douglasii Alice Eastwood 1918-5-25 6998 Plumas Portola. Comment
  CAS-BOT-BC20086  Carex echinata Walter Knight; Irja Knight 1966-9-12 1714 Plumas Butterfly Botanical Area and Vicinity. Beargrass Glade. 1127 Comment
  CAS-BOT-BC20090  Carex echinata Lewis S. Rose 1963-6-3 63101 Plumas Butterfly Valley. 2 miles SW of Keddie. 1097 Comment
  CDA33061  Carex echinata subsp. echinata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3358 Plumas At head of Eagle Gulch, 0.25 mile northeast of Bucks Summit on Bucks Lake Road. Comment
  CHSC43011  Carex feta L. P. Janeway; B. Castro 1987-7-17 2489 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  JEPS107618  Carex fracta Lowell Ahart, Josephine Guardino 2005-8-9 12289 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA95479  Carex fracta L. S. Rose 1954-5-30 54073 Plumas Johnsville 1601 Comment
  RSA739634  Carex geyeri L. P. Janeway, Matt Simenc 2008-9-10 9590 Plumas Northern High Sierra Nevada, along the ridge between Washington Creek and Winters Creek, 1 km S of Middle Fork Feather River, 3.4km NNW of Finger Board 1564 Comment
  SJSU8614  Carex hassei C. W. Sharsmith 1975-6-18 8229 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC22284  Carex hassei Mrs. H. C. Cantelow 1938-7-4 2270 Plumas North side of Hot Spring Creek. Drakesbad. Comment
  CDA14007  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1997-6-26 13924 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CAS-BOT-BC21969  Carex heteroneura L. P. Janeway 1990-7-18 3806 Plumas Near Emigrant Creek .25 mile north of the crest of Grizzly Ridge. Along a dirt road. 2103 Comment
  HSC89353  Carex heteroneura L. P. Janeway 1989-7-12 3481 Plumas Along Jackson Creek, FS Rd. 23N11 2.3 mi. from Hwy. 70/89 then 2.2 mi. on FS Rd. 23N48 into Jackson Creek 1784 Comment
  CDA13415  Carex heteroneura var. heteroneura G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13263 Plumas Sierra Nevada; Along Bull Run Creek off USFS 23N12E. Comment
  CDA13855  Carex heteroneura var. heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-2 13457 Plumas Sierra Nevada; Volcanic slopes on E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC105836  Carex hoodii Lowell Ahart 2010-7-27 16925 Plumas On the south side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte. 1680 Comment
  CHSC55557  Carex hoodii L. P. Janeway 1990-7-2 3750 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/2 mi south of Little Grizzly Cr. At an old logging landing and dirt road opening. 1859 Comment
  JEPS91028  Carex lasiocarpa Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11436 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  CHSC118717  Carex lasiocarpa Wendy Boes 2014-8-6 2014020 Plumas Wetland above Gray Eagle Lodge, Lakes Basin, Plumas National Forest. UTM 700074 E, 4399690 N, NAD83, Zone 10N. 2109 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
  CHSC78726  Carex lemmonii L. P. Janeway 2000-7-7 6882 Plumas Northern High Sierra Nevada. Drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 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
  RSA517878  Carex lemmonii L. S. Rose 1967-6-12 67111 Plumas Butterfly Valley. 1098 Comment
  CHSC116368  Carex lemmonii Sara M. Taylor; Scott Batiuk 2012-7-31 50 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
  SEINET11635251  Carex lemmonii L. P. Janeway 1989-1 3491 Plumas Plumas NF, along northerly branch of Consignee Cr & road 23N49, 4.3 mi SE of Jackson Cr campground 1737 Comment
  UC1594685  Carex lenticularis var. impressa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5041 Plumas via Gold Lake Forest Hwy. (County Rd. 519) ca. 5 mi (air) ssw Graeagle (w end Grass Lake, located just w of Lakes Basin Campground); Grass Lake 1926 Comment
  SEINET7564689 Image available Carex lenticularis var. lipocarpa John Thomas Howell 1951-6-28 27733 Plumas Eureka Lake. 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
  SEINET7566765 Image available Carex mariposana John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54343 b Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  CHSC79084  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. 2201 Comment
  UCD140647  Carex microptera Dean W. Taylor 1976-7-9 6038 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  CAS-BOT-BC32034  Carex multicaulis Lewis Samuel Rose 1963-6-3 63084 Plumas Butterfly Valley, 2 mi SW of Keddie. 990 Comment
  CDA17779  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3693 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
  CHSC101789  Carex multicaulis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15860 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC21129  Carex multicaulis F. T. Griggs 1975-7-2 42 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC68377  Carex multicaulis L. P. Janeway 1996-6-4 4986 Plumas 0.5 mi northeast of Deer Creek and 2.0 mi south of Spanish Creek; north side of logging spur road 0.6 mi east of Road 24N23X. 1318 Comment
  CHSC47005  Carex nebrascensis L. P. Janeway 1989-7-20 3507 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  CHSC47015  Carex nebrascensis L. P. Janeway 1989-7-20 3506 Plumas Plumas National Forest. North end of Crocker Mdw; near the Beckwourth-Genesee Rd (rd 111) 6.3 mi N of Beckwourth. 1737 Comment
  CAS-BOT-BC119860  Carex nebrascensis D. H. Esplin; R. K. Gierisch 1968-10-3 8 Plumas Crocker guard Sta, horse pasture. 1737 Comment
  CHSC110385  Carex nervina Lowell Ahart 2012-9-5 18436 Plumas Meadow at the end of a small stream that flowes into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather river, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of LaPorte. 1889 Comment
  CHSC77071  Carex nervina G. Douglas Barbe; T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CHSC92287  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
  CHSC116394  Carex nervina Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-17 401 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  SEINET10850493  Carex nudata David Castaner 1984-5-28 Castaner 857 Plumas Indian Creek Falls. Junction Highways 70 & 89. Stream side. Comment
  SEINET4292061 Image available Carex pachycarpa L. Janeway, Castro, B 2006-1 8882 Plumas High Cascade Rangs. About 100 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). Reading Peak 7.5' quad. Comment
  CAS-BOT-BC119189  Carex pachystachya John Thomas Howell 1960-7-19 35653 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  CHSC77068  Carex rossii G. Douglas Barbe; T. C. Fuller 1982-6-16 3796 Plumas Plumas National Forest. Meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC118128  Carex rossii John Thomas Howell 1963-7-9 39656 Plumas Near foot of Echo Summit grade, 1 mi SW of Meyers. 2011 Comment
  CAS-BOT-BC118140  Carex rossii L. P. Janeway 1990-7-3 3758 Plumas Mt. Ingalls quad. Ca 100 m W of Paradise Creek, ca 2/3 mi S of Little Grizzly Creek. 1874 Comment
  CHSC67399  Carex scabriuscula James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2551 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch. Comment
  CHSC98302  Carex scabriuscula L. P. Janeway 2007-6-3 9028 Plumas Near top of eastern end of Red Mountain, near Road 23N69 0.7 mi northwest of the 18 Road. 1890 Comment
  CHSC60503  Carex sheldonii L. P. Janeway 1992-6-4 4218 Plumas Plumas National Forest. Small pond at far edge of gravel bar along northeast side of Middle Fork Feather River at mouth of Bonta Creek; below the Mohawk Ranger Station. 1316 Comment
  UCD140819  Carex sheldonii L. P. Janeway 1997-5-28 5134 Plumas 1.3 miles west-northwest of Blairsden; between Little Bear Road and Middle Fork Feather River. 1316 Comment
  SEINET10945963  Carex sheldonii David Castaner 1984-5-28 Castaner 8054 Plumas Greagle. Outside of KOA. Comment
  CDA19275  Carex simulata G. D. Barbe, T. C. Fuller 1982-6-17 3861 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CHSC52552  Carex simulata L. P. Janeway 1989-6-22 3372 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw along rd 24N49Y. 1767 Comment
  CHSC107909  Carex specifica L. P. Janeway 2011-8-23 10668 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.7 road km east of Road 22N60; 2.4 air km east-northeast of the northeast corner of Little Grassy Valley Reservoir. Small grassy openings in north-facing slopes. 1719 Comment
  SEINET7576277 Image available Carex stipata Lewis S. Rose 1967-7-9 67144 Plumas Quincy. 1036 Comment
  CAS-BOT-BC117368  Carex stipata var. stipata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1532 Plumas Butterfly Botanical Area. North of Pond Reservoir. 1097 Comment
  CAS-BOT-BC114991  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54344 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road. 1341 Comment
  CAS-BOT-BC114995  Carex subfusca John Thomas Howell 1960-7-22 35875 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC114997  Carex subfusca John Thomas Howell 1951-6-28 27651 Plumas Johnsville 1584 Comment
  CHSC77176  Carex subfusca G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3320 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CHSC92206  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12273 Plumas In a small drainage that runs into Fant Creek, west of the meadow, 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
  JEPS101243  Carex subfusca Dean W. Taylor 2000-8-8 17556 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
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  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
  JEPS107625  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12273 Plumas In a small drainage that runs into Fant Creek, west of the meadow, 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
  JEPS117654  Carex subfusca Lowell Ahart 2010-7-27 16924 Plumas On the south side of the paved road, about 1/2 mile south of Goat Mountain, about 2 miles (air) northeast of La Porte 1656 Comment
  UCD141171  Carex subfusca Lewis S. Rose 1968-6-10 68085 Plumas Quincy. 1036 Comment
  CAS-BOT-BC115989  Carex subfusca D. A. McMillan 1914-6-20 13 Plumas Long Valley 1524 Comment
  CHSC66647  Carex utriculata Vernon H. Oswald; Lowell Ahart 1996-7-15 8055 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CHSC40413  Carex vesicaria Lowell Ahart 1985-7-11 5124 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles northeast of La Porte. 1584 Comment
  SEINET7579973 Image available Carex vesicaria Unknown 2006-9-9 8880 Plumas Reading Peak 7.5' quad, High Cascade Range, west shore of Jedidiah Colter Lake, between Blue Lake and North Arm Rice Creek. 1981 Comment
  CAS-BOT-BC115150  Carex vesicaria G. Schoolcraft 1997-8-5 2636 Plumas Lake E of Hay Meadow/Caibou Wilderness. 1908 Comment
  CHSC55450  Carex whitneyi L. P. Janeway 1990-7-18 3804 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  CHSC55566  Carex whitneyi L. P. Janeway 1990-7-3 3757 Plumas Plumas National Forest. Near Paradise Creek about 1/4 mi south of Little Grizzly Creek. 1813 Comment
  CHSC76356  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas At the wide saddle of Humboldt Summit. 2020 Comment
  CHSC85996  Carex whitneyi L. P. Janeway 2003-7-19 7911 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. 1853 Comment
  JEPS116061  Carex whitneyi Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15907 Plumas About 100 yards northwest of Lake Almanor Dam 1421 Comment
  SD130384  Carex whitneyi John Thomas Howell 20-23 Jun 1977 52407 Plumas Sierra Nevada Mountains; desiccated strand below the high water line on the peninsula of Lake Almanor. 1372 Comment
  SEINET11044476  Carex whitneyi J. T. Howell 1977-1 52407 Plumas Sierra Nevada, on the peninsula of Lake Almanor 1372 Comment
  CAS-BOT-BC249007  Castilleja David D. Keck 1932-7-3 1646 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC249011  Castilleja Mayer; Brink 1975-7-24 s.n. Plumas Bucks Lake area Comment
  CAS-BOT-BC249739  Castilleja applegatei subsp. pinetorum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC249745  Castilleja applegatei subsp. pinetorum John Thomas Howell 1961-6-21 36639 Plumas Greenville 1097 Comment
  CAS-BOT-BC249747  Castilleja applegatei subsp. pinetorum John Thomas Howell 1951-6-28 27715 Plumas Eureka Peak 2255 Comment
  CHSC116107  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-7-4 20291 Plumas On the north side of the paved road, about 1 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 2 1/2 miles (air) north of Little Grass Valley Reservoir dam. 1720 Comment
  CHSC91901  Castilleja applegatei subsp. pinetorum Lowell Ahart; Josephine Guardino 2005-8-10 12301 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
  CHSC97161  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS26690  Castilleja applegatei subsp. pinetorum P. C. Hutchison 1961-6-9 2129 Plumas 0.4 mi e Round Valley Reservoir dam and store; Round Valley Reservoir Comment
  RSA755689  Castilleja applegatei subsp. pinetorum L. Ahart, John Dittes 2009-7-15 16095 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  SBBG6731  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-8-15 8840 Plumas Plumas County [no specific locality] Comment
  UC1075735  Castilleja applegatei subsp. pinetorum Robert J. Weatherby 1955-7-21 1651 Plumas Rocky Point Middle Fork Feather River (head of No Ear Bar trail) 1524 Comment
  UC619270  Castilleja applegatei subsp. pinetorum J. and H. W. Grinnell 1938-6-11 1092 Plumas Mohawk 1341 Comment
  OBI59423  Castilleja arachnoidea Rimo Bacigalupi, Aldo Bacigalupi 1952-8-19 3951 Plumas On slopes to the E of Long Lake 2042 Comment
  UC1075741  Castilleja arachnoidea Robert J. Weatherby 1955-7-26 1659 Plumas near Spanish Peak Lookout 2164 Comment
  SEINET10964338  Castilleja chromosa Mary Susan Taylor 1982-7-12 Taylor 4822 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  CHSC112530  Castilleja lacera B. Castro; L. P. Janeway 2009-6-7 1787 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) 200 ft W of its jcn with small dirt rd to lower Thompson Valley. 1700 Comment
  CAS-BOT-BC254062  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-5 8736 Plumas Red Clover valley. Comment
  CAS-BOT-BC254053  Castilleja miniata M. S. Taylor 1982-8-5 4937 Plumas In wet areas around Crystal Lake just below Mt Hough summit, ca. 7 air mi nne of Quincy. Flora of Plumas County 2042 Comment
  CAS-BOT-BC254054  Castilleja miniata M. S. Taylor 1982-8-9 4943 Plumas Along creek in wet areas e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 air mi sse of Canyon Dam. Flora of Plumas County 1859 Comment
  CAS-BOT-BC254058  Castilleja miniata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk, on hill south of Onion Valley 2000 Comment
  CAS-BOT-BC241044  Castilleja pilosa Lowell Ahart 1981-7-21 2954 Plumas Buzzards Roost Ridge, north of Pilot Pk. 2000 Comment
  JEPS4345  Castilleja tenuis W. L. Jepson 1910-6-5 4074 Plumas Hot Springs Valley; Lassen Pk. 1706 Comment
  JEPS81472  Castilleja tenuis M. S. Taylor 1982-7-8 4800 Plumas ca 1 mi sw Beckwourth (on Ramelli Ranch, on s side of Feather River in dry edges); Portola Quad. 1487 Comment
  SD46688  Castilleja tenuis Robert J. Weatherby 1950-7-7 1462 Plumas meadow edge, Snake Lake, Quincy 1219 Comment
  UC1071261  Ceanothus R. D. Roseberry 1934-11-10 14 Plumas 1 mi sw Mt. Jackson; Plumas National Forest, Downieville Quad. Comment
  CHSC96737  Ceanothus arcuatus L. P. Janeway 2007-5-20 8989 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather rivers to the north); at junction of Roads 25N17, 25N57, 25N59. 1573 Comment
  CHSC96744  Ceanothus arcuatus L. P. Janeway 2007-5-20 8994 Plumas Northern High Sierra Nevada. Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  CAS-BOT-BC48699  Ceanothus cordulatus Rimo Bacigalupi 1927-7-4 1656 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  RSA515505  Ceanothus cordulatus J. T. Howell, G. H. True 1969-6-23 45814 Plumas Open meadow 2 miles N of Nelson Point on road to Quincy 1311 Comment
  UC1070971  Ceanothus cordulatus G. T. Nordstrom 1934-7-9 202 Plumas 1.5 mi s Mt. Ararat; Bidwell Bar quad, Plumas National Forest 1615 Comment
  CDA18699  Ceanothus cuneatus var. cuneatus G. D. Barbe, T. C. Fuller 1982-6-15 3706 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
  UCD111983  Ceanothus integerrimus James I. Mallory 1969-8-21 357 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET10837533  Ceanothus integerrimus var. californicus Mary Susan Taylor 1982-5-23 Taylor 4508 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  UC79984  Ceanothus lemmonii J. G. Lemmon 1874-1 Plumas 5 mi s Quincy; American Valley Comment
  CAS-BOT-BC63372  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  JEPS48725  Ceanothus prostratus John W. Duffield 1937-5-23 Plumas rd to Bear Creek Ranger Station Comment
  UC1071273  Ceanothus prostratus G. T. Nordstrom 1934-6-20 248 Plumas 1 1/2 mi e and 1/2 mi n Spanish Peak; Plumas National Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC52163  Ceanothus pumilus Walter Knight; Irja Knight 1969-6-26 2419 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC52166  Ceanothus pumilus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1866 Plumas Half way between Butterfly Valley proper and Darlingtonia Bog. 1066 Comment
  NY42167  Ceanothus velutinus var. velutinus J. B. Walker 1994-8-2 865 Plumas 5km NW of Quincy, on N edge of Smith Lake 1500 Comment
  CHSC45650  Centaurea cyanus Vernon Oswald 1984-7-9 1356 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  JEPS113421  Centaurea stoebe subsp. micranthos Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14456 Plumas On the south side of Lake Davis Road, about 1 mile southwest of Lake Davis Dam, about 4 miles (air) north of Portola 1767 Comment
  CHSC55487  Cerastium arvense L. P. Janeway 1991-6-14 4010 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek. 655 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-BC384933  Cerastium arvense John Thomas Howell 1961-9-22 36792 Plumas At Lewisia Rock, North Fork of Feather River 640 Comment
  CHSC74658  Cerastium fontanum subsp. vulgare B. Castro; Barry Davis 1997-8-13 780 A Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Creek (ca 1.5 mi N of Crocker Mdw). Near W edge of creek. 1700 Comment
  CAS-BOT-BC388355  Cerastium glomeratum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1870 Plumas Butterfly Botanical Area and Vicinity. West side of Butterfly Valley proper 1066 Comment
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  RSA405411  Cercis occidentalis Bonnie C. Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie Comment
  CHSC117458  Chaenactis douglasii var. douglasii Lowell Ahart 2016-6-29 21082 Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC276731  Chaenactis douglasii var. douglasii Arthur C. Barrett 1915-7-10 209 Plumas Lone Rock Valley Comment
  CAS-BOT-BC276735  Chaenactis douglasii var. douglasii W. W. Wagner 1929-6-7 272 Plumas Sockum Creek 1371 Comment
  CHSC53175  Chamaesaracha nana L. P. Janeway 1989-6-13 3300 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley. 1688 Comment
  HSC22983  Chamaesaracha nana John Pratt 1970-7-9 68 Plumas Chester airport Comment
  CHSC110380  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2012-9-5 18448 Plumas Road edge, where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southwest of Pilot Peak, about 8-1/4 miles (air) northeast of La Porte. 1828 Comment
  CHSC21326  Chamerion angustifolium subsp. circumvagum F. T. Griggs; A. Pass 1975-7-31 278 Plumas Buck's Lake. Comment
  JEPS4050  Cheilanthes gracillima Roland A. Dede 1950-6-24 2220 Plumas Feather River Canyon Comment
  CHSC102971  Chenopodium album Lowell Ahart; John Dittes 2009-9-7 16396 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC84563  Chenopodium album John Dittes; Lowell Ahart 2003-8-8 2003 -95 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  JEPS108996  Chenopodium botrys Lowell Ahart 2006-10-8 13412 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  NY990873  Chenopodium desiccatum J. T. Howell 1977-8-11 52708 Plumas North end of Frenchmans Reservoir 1707 Comment
  CDA7726  Chenopodium pumilio L. Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. Comment
  UC1422541  Chenopodium simplex Lowell Ahart 1977-7-26 Plumas 1/2 mi below Bunker Hill Mine (mine is about 10 mi ne of La Porte) 2000 Comment
  CDA3097  Chenopodium strictum J. T. Howell 1959-9-23 34894 Plumas Chester. Comment
  CAS-BOT-BC451418  Chimaphila menziesii Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC21126  Chimaphila menziesii F. T. Griggs; A. Pass 1975-7-2 37 Plumas East of road. Buck's Lake. Comment
  CHSC24223  Chimaphila menziesii D. Brink; L. Mayer 1975-7-3 Plumas Buck's Lake. Comment
  CHSC2461  Chimaphila menziesii R. Carter 1965-7-6 273 Plumas Found at Buckeye Water Hole, 8.55 mi. N of Mountain House on Oroville-Quincy Rd., on E side of road ca. 20' from end of the pipe at base of Pinus ponderosa. 1280 Comment
  CAS-BOT-BC452242  Chimaphila umbellata H. L. Mason 1924-6-18 1054 Plumas Road between Graeagle and Gold Lake Comment
  CHSC33737  Chimaphila umbellata M. S. Taylor; M. Foster 1981-7-14 4014 Plumas Saddle at head of Bullfrog Ravine, both sides of 26N18. Ca. 3 air mi nw of Indian Falls. 1645 Comment
  CHSC63458  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UC1075670  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Quincy, Gansner Creek 1219 Comment
  UC1135255  Chrysolepis sempervirens E. Sawyer 1935-5-28 50 Plumas 3.75 mi n Hawks; Plumas National Forest, Sierraville Quad. 1767 Comment
  SD8960  Chrysothamnus viscidiflorus R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows. Comment
  SEINET7450910 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus J. T. Howell 1959-9-24 34968 Plumas Sierra Valley near Beckworth. 1478 Comment
  UC170987  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  UCD127286  Cicuta douglasii R. Tofsrud 1948-7-20 s.n. Plumas Between Quincy and Quincy Junction. Comment
  CHSC108125  Cinna latifolia Lowell Ahart 2011-9-20 17692 Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2001 Comment
  JEPS95459  Cinna latifolia Lowell Ahart 1994-7-28 7536 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC190011  Cinna latifolia John Thomas Howell 1960-7-22 35925 Plumas Lassen Volcanic National Park. Along brook near Devil's Kitchen near Drakesbad. 1828 Comment
  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
  CHSC43558  Circaea alpina subsp. pacifica Lowell Ahart 1976-7-16 1175 Plumas Seep, about 1/2 mile east of Dogwood Creek, about 1 1/2 miles north-west of Fowler Peak, about 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  JEPS112696  Cirsium andersonii Dean W. Taylor 2000-7-30 17535 Plumas spring about 1 mile SE of SE arm Antelope Lake (along Forest Road 27N41 0.2 mi S of junction with Forest Road 172) 1554 Comment
  UC91812  Cirsium andersonii Mrs. R. M. Austin 1896-8-1 556 Plumas Big Meadows Comment
  SEINET7451063 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  CHSC107915  Cirsium arvense L. P. Janeway; Melanie Williams 2011-9-1 10715 Plumas Northern High Sierra Nevada. Plumas National Forest; along Kenzie Ravine 1.1 km east of Little Grass Valley Reservoir, 35 m upstream from Silvertip road crossing; 2.0 air km north of Goat Mountain. 1573 Comment
  CHSC89532  Cirsium cymosum G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16344 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
  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
  CDA13560  Cirsium occidentale var. candidissimum G. F. Hrusa, T. D. Wilfred 1996-7-22 13388 Plumas Sierra Nevada; Plumas Natl. Forest. below summit of Lava Peak above Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CDA13572  Cirsium occidentale var. candidissimum G. F. Hrusa, B. Smith 1996-8-1 13483 Plumas Sierra Nevada; SW-facing slope on SW side of Little Long Valley Creek. approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CDA1375  Cirsium occidentale var. candidissimum T. C. Fuller 1961-11-29 7304 Plumas Indian Valley; roadside North (Valley) Road, 4.7 mi. E of Greenville. Comment
  CAS-BOT-BC286451  Cirsium scariosum John Thomas Howell 1960-7-24 35985 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS113608  Cirsium scariosum Lowell Ahart, John Dittes 2007-6-16 14117 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET7836795 Image available Cirsium scariosum W. Harnach, N. Harnach 1990-6-13 376 Plumas 0.75 miles W of Beckwourth, Ramelli Ranch (USFS); Sierra Valley 1487 Comment
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Jun 6 2018
  UC912469  Cirsium scariosum var. americanum Herbert L. Mason 1924-6-18 1048 Plumas bog n of Greneagle Comment
  CDA1606  Cirsium undulatum J. R. Keck Jr., R. Swanson 1967-8-17 s.n. Plumas About 6 mi. s. of Vinton; 1 mi. n. of county line, 200 yds. w. of Hwy 49 to Loyalton. 0 Comment
  SDSU3800  Cirsium vulgare D. F. Howe 1959-8-2 2781 Plumas Meadow at Quincy. 1067 Comment
  CAS-BOT-BC228898  Cistanthe umbellata Lloyd W. Swift 1932-7-11 65 Plumas Plumas National Forest. Tamarack R.S. 1706 Comment
  CAS-BOT-BC163167  Clarkia lassenensis M. S. Taylor 1982-6-3 4607 Plumas NE side of Spring Garden Overpass, 7.5 mi se of Quincy 1219 Comment
  SEINET10453153  Clarkia lassenensis Mary Susan Taylor 1982-6-2 Taylor 4607 Plumas T24N R10E ne/sw sec 25. Spring Garden quad. Ne side of Spring Garden Overpass, 7.5 mi se of Quincy. 4000 ft. 1219 Comment
  CHSC10764  Clarkia mildrediae subsp. lutescens Lowell Ahart 1968-6-29 Plumas Six miles S.E. of La Porte. 762 Comment
  UC1732066  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4694 Plumas Little Bear Gulch, SE side, along Road 22N30 0.25 mi W of Sky High Road (Road 22N29) 1447 Comment
  SEINET10837680  Clarkia purpurea Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7049 Plumas Yellow pine and douglas fir in plumas ntl forest off hwy 70. 1067 Comment
  UC725468  Clarkia purpurea A. A. Heller 1938-7-2 15234 Plumas just n Quincy (along highway near the bridge over creek); Spanish Creek Comment
  CAS-BOT-BC163857  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1975-6-16 51155 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CHSC79778  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada. Approx. 1/4 mi N from USFS 23N22D terminus. 1400 Comment
  POM181047  Clarkia purpurea subsp. quadrivulnera A. A. Heller, P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC163851  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  CAS-BOT-BC163855  Clarkia purpurea subsp. quadrivulnera L. P. Janeway 1993-6-16 4393 Plumas North side of East Branch North Fork Feather River, across from Paxton; 0.8 mi west of Hwy 89. Cutbank of beginning of dirt road off of Hwy 70 883 Comment
  CDA17277  Clarkia stellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16304 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  NY1085603  Clarkia stellata A. A. Heller 1907-7-9 8813 Plumas Prattville Comment
  UC174727  Clarkia stellata A. A. Heller and P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
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Mar 30 2008
  SD133956  Clarkia stellata Barbara Ertter, Gary Schoolcraft 1989-7-3 8638 Plumas road to Lone Rock & Red Rock on south side of Diamond Mountain circa 10 airmiles south of Susanville, near Morton Creek crossing, dry roadbank in forest; 1829 Comment
  SEINET10885380  Clarkia stellata A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8778 Plumas Prattville Comment
  SEINET10572687  Claytonia lanceolata Mary Susan Taylor 1982-5-17 Taylor 4458 Plumas T22N R14E ne/nw sec 8. Portola quad. Rocky Sagebrush Scrub with seep, s side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 6000 ft. 1829 Comment
  SEINET10572688  Claytonia lanceolata Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4475 Plumas 5000 ft. T27N R8E nw/ne sec 35. Almanor NE quad. E facing serpentine slope, s side of 27N92, ca. l.5 air mi se of Canyon Dam. 1524 Comment
  CAS-BOT-BC439874  Claytonia perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1836 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon. 990 Comment
  CAS-BOT-BC439878  Claytonia perfoliata John Thomas Howell 1978-4-19 52857 Plumas Eastern part of Quincy 1036 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
  CHSC60549  Claytonia rubra L. P. Janeway 1992-5-6 4156 Plumas Plumas National Forest. Beckwourth Ranger District. Clio Compartment. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  CHSC63157  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas In shade of trees, on the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. Label mentions both Plumas and Sierra counties. 2011 Comment
  CHSC64830  Claytonia rubra subsp. rubra Vernon H. Oswald 1995-6-24 6906 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. Locally abundant in wet gravel near the road. 1371 Comment
  UC1136714  Claytonia rubra subsp. rubra E. Sawyer 1935-6-10 93 Plumas 4.75 mi wsw Summit; Sierraville Quad. 1493 Comment
  SEINET5336427  Claytonia rubra subsp. rubra A. A. Heller, P. B. Kennedy 1907-7-11 8804 Plumas Prattville Comment
  CHSC53219  Collinsia parviflora L. P. Janeway 1989-6-13 3302 Plumas Plumas National Forest. Forest on southerly side of Red Clover Valley. 1699 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
  UCD23344  Collinsia parviflora E. W. Jameson 1949-5-3 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  CHSC87626  Collinsia rattanii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10956 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
  CDA11854  Collinsia tinctoria G. F. Hrusa, E. Sandoval 1993-5-29 11134 Plumas Corner of Hwy 70 and Pulga Rd. at bridge over Feather River. Comment
  SEINET10548322  Collinsia torreyi Mary Susan Taylor 1982-6-17 Taylor 4690 Plumas T23N R11E sw/nw sec 17. Blue Nose Mt quad. S side of 23N44Y, 0.2-0.3 mi w of its jct with 23N50Y-Bell Bar Cr Rd, ca, 2 air mi sw of Sloat. Elev 4900 ft. 1493 Comment
  CHSC43483  Collinsia torreyi var. wrightii Lowell Ahart 1975-7-20 918 Plumas On the mountain side west of Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC112561  Collomia grandiflora B. Castro; L. P. Janeway 2007-6-23 1650 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 30 ft SW of the channel, 500 to 550 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  RSA411138  Collomia grandiflora Dorothy Davis 1923-08 s.n. Plumas Mt. Eureka 1524 Comment
  UC1123642  Collomia grandiflora A. Lewis 1934-6-18 484 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  JEPS111227  Collomia heterophylla Steve Matson 2005-5-28 1244 Plumas Feather River Canyon, 2 miles east of Twain, on Forest Service Rd south side of the river. 40.0185 N 121.0356 W. Elevation 3,000 ft. 914 Comment
  JEPS113433  Collomia linearis Lowell Ahart, John Dittes 2007-6-17 14160 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
  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
  RSA71943  Collomia tinctoria F. W. Peirson 1932-7-19 10350 Plumas Feather River near Chester 1463 Comment
  SBBG128277  Collomia tinctoria L. Ahart, J. Dittes, J. Guardino 2009-6-14 15852 Plumas area of broken rock, cut bank of Forest Rd 27N01Y, ca. 1.3 mi W of Lake Almanor Dam 1462 Comment
  CAS-BOT-BC157361  Comarum palustre Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CHSC58196  Comarum palustre Vernon H. Oswald; Lowell Ahart 1992-6-22 5027 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. Meadow. 1597 Comment
  SEINET7134355  Convolvulus arvensis W. Harnach, N. Harnach 1989-6-17 147 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  CDA32029  Conyza canadensis L. Ahart, J. Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  RSA101408  Corallorhiza maculata R. Weatherby 1955-7-26 1666 Plumas Spanish Peak 2165 Comment
  RSA104292  Corallorhiza maculata R. Weatherby 1955-7-2 1580 Plumas Wilcox Valley 1921 Comment
  CHSC63476  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CAS-BOT-BC209426  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CHSC21081  Cornus nuttallii F. T. Griggs; A. Pass 1975-7-2 50 Plumas Buck's Lake Forest Service Survey. Comment
  NY42172  Cornus nuttallii J. B. Walker 1994-8-3 873 Plumas On La Porte Rd, 15km S of junction with Hwy 70 1500 Comment
  RSA0091948  Cornus nuttallii Bonnie C. Templeton 1968-1 11286 Plumas [No location data on label. Possibly Trinity County.] 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-BC210304  Cornus sericea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1517 Plumas Butterfly Botanical Area and Vicinity. Across dam from Pond Reservoir 1092 Comment
  CAS-BOT-BC210308  Cornus sericea Anna Head 1921-8-14 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC210314  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  CAS-BOT-BC210318  Cornus sericea A. A. Heller; P. B. Kennedy 1907-7-13 8829 Plumas Taylorville [Taylorsville] Comment
  CHSC43343  Cornus sericea subsp. occidentalis Lowell Ahart 1975-7-2 835 Plumas Along the edges of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  CHSC81364  Cornus sessilis L. P. Janeway 1996-4-23 4958 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CHSC81365  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CDA14764  Corydalis caseana G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3339 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  UC338307  Corydalis caseana subsp. caseana unknown 1889-5-28 Plumas Mohawk Valley Comment
  CAS-BOT-BC290456  Crepis acuminata Anna Head 1920-7-23 s.n. Plumas Lake Center Camp, near Green Lake. Feather River Region 1920 Comment
  RSA755686  Crepis acuminata L. Ahart, John Dittes 2009-7-15 16098 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  CDA20395  Crepis capillaris J. Naughton 2002-7-7 103 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CHSC91772  Crepis intermedia G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16342 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
  SBBG33894  Crepis intermedia L. S. Rose 1969-6-24 Plumas Butterfly and Spanish Crks 853 Comment
  CAS-BOT-BC291558  Crepis intermedia Lewis S. Rose 1967-7-10 67146 Plumas 1 mi. s of Keddie, Butterfly Creek and Spanish Creek 883 Comment
  CAS-BOT-BC291562  Crepis intermedia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1580 Plumas Roadside near mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 1036 Comment
  UC346557  Crepis intermedia E. B. Babcock 1928-6-15 160 Plumas nr. hwy about 200 yd above Spring Garden P.O. Comment
  SEINET10474585  Crepis modocensis Mary Susan Taylor 1982-5-17 Taylor 4466 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  SEINET10839182  Crepis occidentalis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4333 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SJSU6472  Crepis occidentalis N. A. Hopkins 1971-6-19 402 .5 Plumas 7 mi S of Beckwourth, southeastern Plumas County 1524 Comment
  JEPS113449  Crepis occidentalis subsp. occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13986 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  UCD107439  Crepis pleurocarpa Tim Kuhn 2006-7-8 17 Plumas Southwest of Lake Davis. Comment
  SEINET10474587  Crepis pleurocarpa Mary Susan Taylor 1981-7-21 Taylor 4083 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  SEINET5343724 Image available Crepis runcinata var. andersonii W. Harnach, N. Harnach 1989-6-17 146 Plumas Sierra valley, approx 200 ft. west of the steel bridge on Marble Lane 1488 Comment
  JEPS102857  Crypsis alopecuroides Lowell Ahart 2001-10-8 9333 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC182416  Cryptantha John Thomas Howell; H. Keith Wagnon 1980-5-28 53699 Plumas Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River 853 Comment
  CHSC97066  Cryptantha affinis Lowell Ahart; Josephine Guardino 2007-7-21 14374 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  SBBG21892  Cryptantha affinis D. Myrick 1964-7-21 888 Plumas near trail parking area, Drakesbad 1737 Comment
  SD71011  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Drakesbad 1675 Comment
  SEINET10497264  Cryptantha affinis Mary Susan Taylor 1982-6-21 Taylor 4711 Plumas T23N R11E sw/nw sec 19. Blue Nose Mt quad. Above small creek, ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 0.5 air mi nw of White Cap, ca. 3 air mi sw of Sloat. 5800 ft. 1768 Comment
  CHSC63120  Cryptantha torreyana Lowell Ahart 1994-7-7 7456 Plumas Plumas and 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
  RSA754547  Cryptantha torreyana L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16223 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  UC174946  Cryptantha torreyana Katharine Brandegee Plumas Portola Comment
  UC1950152  Cryptantha torreyana Barbara Ertter 1988-7-25 7846 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct Comment
  UC1075646  Cryptogramma acrostichoides Robert J. Weatherby 1950-8-11 1506 Plumas trail to Silver Lake; N Sierra Nevada Mts, Lakes Basin Area 1981 Comment
  UC1229886  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -2 Plumas near e side Mud Lake (an extensive but scatterd grove extending n down slope toward Wilcox Valley, about 0.75 mi ne of Eisenhower Peak) 2042 Comment
  JEPS88222  Cuscuta californica Vernon H. Oswald and Lowell Ahart 1996-8-14 8150 Plumas NE of La Porte on the La Porte - Quincy Road 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post); northern High Sierra Nevada 1889 Comment
  RSA595070  Cuscuta californica J. T. Howell, G. D. Fuller, G. D. Barbe 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville. 1524 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
  CHSC92821  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
  SBBG126091  Cuscuta occidentalis L. Ahart 2011-9-20 17679 Plumas dirt rd on N side of Pilot Peak, ca. 9 mi (air) NE of La Porte 2072 Comment
  CHSC36924  Cuscuta pentagona M. S. Taylor; H. Swanson 1982-8-11 4971 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
  RSA739641  Cycladenia humilis B. Castro, L. P. Janeway 2005-9-11 1523 Plumas 5 air miles N of Bucks Lake and 3 miles S of Hwy 70 and the Feather River Canyon, 0.4 air miles W of Three Lakes. 1723 Comment
  SD7702  Cycladenia humilis var. humilis R. M. Austin 1879-1 Plumas Dutch Hill Comment
  CHSC104766  Cymopterus terebinthinus var. californicus L. P. Janeway 2010-8-19 10166 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  SD6710  Cynoglossum occidentale Mrs. R. M. Austin, Austin 1880-1 Plumas Comment
  CAS-BOT-BC114545  Cyperus eragrostis John Thomas Howell 1959-9-26 35073 Plumas Feather River Canyon. Ca. 1.5 mi W of Belden. 682 Comment
  CAS-BOT-BC114126  Cyperus squarrosus E. K. Balls 1950-8-31 15547 Plumas Spanish Creek, off Hwy 24, north of Quincy. 1066 Comment
  CHSC99800  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte. 1689 Comment
  JEPS101232  Cyperus squarrosus Dean W. Taylor 2000-8-12 17575 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  SEINET13709640  Cyperus squarrosus Lowell William Ahart, Lowell William Ahart 2003-1 10428 Plumas 4.5 Air Mi. NW of La Porte, 1/4 Mi. W of Lumpkin Ridge Road (39 Deg 44'27.7"N, 121 Deg 01'58.5"W) 5610 Ft. 1710 Comment
  CAS-BOT-BC114055  Cyperus squarrosus John Thomas Howell 1960-7-21 35813 Plumas Moist open slope near Terminal Geyser. 1828 Comment
  CHSC70821  Cypripedium fasciculatum B. Castro; R. Zebell, R. Fallscheer 1989-8-15 391 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi W of USFS R ... Field redacted by CHSC, contact the data manager for more information 1645 Comment
  CAS-BOT-BC70670  Cystopteris fragilis John Thomas Howell; Gordon H. True 1969-6-23 45831 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CAS-BOT-BC70671  Cystopteris fragilis John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2214 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC70680  Cystopteris fragilis Lowell Ahart 1983-8-17 4340 Plumas south of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., about 11 miles north-east of La Porte 2000 Comment
  CAS-BOT-BC70675  Cystopteris fragilis John Thomas Howell 1960-7-20 35749 Plumas Boiling Springs Lake 1798 Comment
  RSA795728  Danthonia californica var. americana L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16159 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC192334  Danthonia unispicata John Thomas Howell 1962-6-18 37772 Plumas Sierra Valley near Beckwourth 1487 Comment
  UCD61354  Danthonia unispicata G. Douglas Barbe; T. C. Fuller 1982-6-17 3852 Plumas East shore Frenchman Lake; Crystal Fishing Access. 1706 Comment
  CAS-BOT-BC76202  Darlingtonia californica Mrs. C. C. Bruce 1899-1-1 s.n. Plumas Butterfly Valley. Comment
  RSA599868  Darlingtonia californica Louis C. Wheeler 1959-7-16 7574 Plumas Butterfly Valley. Comment
  UCD119072  Darlingtonia californica Barry Rice 2010-6-10 BR 100602 Plumas South of Butterfly Valley. Comment
  UC330384  Darmera peltata J. G. Lemmon and wife Jun 1875 Plumas American Valley; High Sierra Comment
  JEPS23623  Delphinium L. S. Smith 1920-5-21 1584 Plumas near Calpine (w edge of Valley); Sierra Valley 1676 Comment
  HSC31364  Delphinium depauperatum Larry E. DeBuhr, G. D. Wallace 1972-5-21 586 Plumas Plumas National forest, 1.0 mi. W of junction of Hwy. 89 and 70 N of Graegle 1341 Comment
  CHSC61606  Delphinium hesperium Arthur O. Barrett 1915-6-27 1 Plumas Plumas Forest. Indian Creek. 1645 Comment
  CAS-BOT-BC9825  Delphinium nudicaule Mrs. H. C. Cantelow 1940-5-11 4267 Plumas W of Meadow Valley Inn Comment
  CAS-BOT-BC9822  Delphinium nudicaule Lowell Ahart 1984-6-21 4720 Plumas 1 mile north of Turkeytown, about 2 miles northwest of Blue Nose Mountain, about 15 mi. NE of La Porte 2000 Comment
  SEINET10899317  Delphinium nudicaule Mary Susan Taylor 1981-5-10 Taylor 3664 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET5338036  Delphinium nudicaule P. A. Lehenbauer 1937-5-30 s.n. Plumas On Feather River 60 miles from Reno Near Feather River Inn. Comment
  SEINET7720713  Delphinium nudicaule Unknown Plumas Indian Valley Comment
  UC972198  Delphinium nudicaule Milo S. Baker 1952-5-24 12457 Plumas upper end Pine Val. (Hwy 89) 914 Comment
  UCD95881  Delphinium nudicaule Dean Dubbe 1974-4-26 6 -4 Plumas Feather River Canyon, 5 miles south of Belden on State Highway 70. 670 Comment
  CHSC46653  Delphinium nuttallianum Lowell Ahart 1989-7-2 6357 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  CHSC87629  Delphinium nuttallianum Lowell Ahart; Josephine Guardino 2004-5-24 10939 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
  SD58356  Delphinium nuttallianum Sether C. Fritz 1933-7-25 Plumas In meadow on slopes of Spanish Peak 2133 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
  RSA189366  Delphinium nuttallianum L. S. Rose 1967-7-11 67165 Plumas Mt. Hough, 1.3 miles S of summit. 2043 Comment
  SEINET10448456  Dentaria tenella var. palmata Mary Susan Taylor 1981-6-17 Taylor 3923 Plumas T25N R12E center sec 27. Grizzly Valley quad. jct Meadow Creek and rd 25N10, E side of Mt Ingalls, ca. 8 air mi NE of Genesee. 7500 ft elev. 2286 Comment
  CAS-BOT-BC192442  Deschampsia cespitosa subsp. cespitosa David D. Keck 1944-7-8 5432 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  UC1131410  Deschampsia cespitosa subsp. cespitosa Beryl O. Schreiber 1938-7-9 2523 Plumas 1 mi. e. Meadow Valley; Plumas Nat'l Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC198149  Deschampsia danthonioides John Thomas Howell 1951-6-27 27588 Plumas McRae Meadow - Sierra Nevada 1981 Comment
  CAS-BOT-BC198161  Deschampsia danthonioides Lewis S. Rose 1954-5-30 54064 Plumas Johnsville 1600 Comment
  RSA88584  Deschampsia danthonioides L. S. Rose 1954-5-30 54064 Plumas Johnsville 1601 Comment
  CHSC65879  Deschampsia elongata L. P. Janeway 1995-10-25 4952 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC79879  Deschampsia elongata G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13205 Plumas Northern California, Sierra Nevada, Plumas National Forest. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  CHSC97110  Deschampsia elongata Lowell Ahart; Josephine Guardino 2007-7-21 14382 Plumas Sides of a small drying stream, about 60 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
  HSC100813  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas Bottom of East Branch Creek, E side of Quincy La Porte Rd., 1 3/4 air mi. S of Little Grass Valley Reservoir, 1 mi. NE of La Porte. 1594 Comment
  JEPS113651  Deschampsia elongata Lowell Ahart, Josephine Guardino 2007-7-21 14382 Plumas Sides of a small drying stream, about 60 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
  UCD63417  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks. 1676 Comment
  SEINET10448462  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-17 Taylor 4463 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  CAS-BOT-BC43505  Descurainia sophia David D. Keck 1932-7-3 1664 Plumas Northern Sierra Nevada. Quincy, within a few meters of the main street. 1065 Comment
  CAS-BOT-BC402377  Dicentra formosa subsp. formosa G. E. Poore 1913-4-22 189 Plumas Tahoe National Forest. Green Horn [Greenhorn] Creek Comment
  CHSC23372  Dicentra pauciflora Lowell Ahart 1975-7-9 Plumas At the edge of small stream. One mile south of Pilot Peak in Section 8, ten miles north of La Porte. 1981 Comment
  JEPS87768  Dicentra pauciflora Lowell Ahart 1994-6-12 7318 Plumas about 1.25 air mi s Bucks Lake (near Cedar Flat, on w side of Faggs Mine Road, sw of a small branch of Willow Creek) 1706 Comment
  CAS-BOT-BC402543  Dicentra pauciflora Lowell Ahart 1986-7-4 5324 Plumas West of the small wash, S of the road where it crosses Onion Valley Creek, near Onion Valley, ca. 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte 1828 Comment
  CAS-BOT-BC402544  Dicentra pauciflora Forest Sheehan 1972-6-14 s.n. Plumas Onion Valley Comment
  CHSC65104  Dicentra uniflora Vernon H. Oswald; Lowell Ahart 1995-7-24 7109 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. Cascade Range. 1950 Comment
  CAS-BOT-BC290980  Dieteria canescens var. shastensis Emily K. Mcpherson 1976-11-7 76- 32 -6 Plumas 5 miles north of Beckwourth 2055 Comment
  CAS-BOT-BC151822  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 a Plumas Along a side road, north of Cleghorn Bar Road, about 1 3/4 miles northwest of Finger Board, about 4 1/4 miles northwest of Pilot Peak 1828 Comment
  CHSC43150  Diplacus mephiticus Vernon Oswald 1985-7-24 1912 Plumas Besides the road just s of North Valley Creek, ca. 2.2 air mi ene of Ramsey Bar. 1310 Comment
  CHSC53174  Diplacus mephiticus L. P. Janeway 1989-4-9 3276 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC70816  Diplacus mephiticus B. Castro 1995-7-3 580 Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CAS-BOT-BC153949  Diplacus pygmaeus John Thomas Howell; H. Keith Wagnon 1980-5-27 53606 Plumas 1 mile west of Almanor 1386 Comment
  CHSC77063  Diplacus torreyi L. P. Janeway 1996-8-20 5072 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  UC170927  Disporum hookeri H. M. Hall 1912-6-29 9294 Plumas Spanish Creek; Sierra Nevada Mountains, Spanish Creek 1828 Comment
  CAS-BOT-BC208630  Distichlis spicata John Thomas Howell 1955-7-19 30789 Plumas Vinton - Sierra Nevada 1505 Comment
  HSC100748  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas N side of Hwy. 70, Serpentine Canyon, 2.7 (air) mi. ENE of Rich Bar, 3.9 (air) mi. W of Twain. 814 Comment
  CHSC33805  Downingia bacigalupii M. S. Taylor; M. Foster, M. McCollum 1981-6-23 3945 Plumas Tamelli Ranch, along North Fork Feather River, ca. 1/4 mi s of Hwy 70, ca. 1 mi w of Beckwourth. 1493 Comment
  JEPS14448  Downingia bacigalupii H. L. Mason 1924-6-26 Plumas Blairsden Comment
  UC1244010  Downingia bicornuta var. bicornuta John H. Weiler, D. Willits, and F. Safwat 1959-6-20 59193 Plumas 10.5 mi ne Sattley (0.5 mi s of Sattley-Beckwith road) 1524 Comment
  CHSC21186  Drosera rotundifolia F. T. Griggs; A. Pass 1975-7-16 183 Plumas N. shore of Lower Buck's Lake. ... Field redacted by CHSC, contact the data manager for more information Comment
  UCD119084  Drosera rotundifolia Barry Rice 21Jul 2011 BR 110712 Plumas location unknown. 1590 Comment
  RSA0011665  Drosera rotundifolia R. F. Thorne 1974-7-30 45012 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1159 Comment
  UC108327  Drosera rotundifolia Mrs. R. M. Austin 1896-1 369 Plumas Willow Lake; swamps Comment
  CAS-BOT-BC535002  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1618 Plumas Butterfly Botanical Area and Vicinity, roadside at Fern Glen 1097 Comment
  CHSC63166  Drymocallis lactea var. austiniae Lowell Ahart 1994-6-29 7415 Plumas Along a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CAS-BOT-BC159301  Drymocallis lactea var. lactea A. A. Heller 1913-6-13 10863 Plumas Near Quincy 1066 Comment
  CAS-BOT-BC159311  Drymocallis lactea var. lactea Alice Eastwood 1918-5-25 6985 Plumas Portola Comment
  CAS-BOT-BC159305  Drymocallis lactea var. lactea Wayne Dakan 1975-7-20 s.n. Plumas Round Lake (ca. 1 mi. nw. of Gold Lake) - Sierra Nevada 2046 Comment
  CAS-BOT-BC159307  Drymocallis lactea var. lactea L. P. Janeway 1989-4-22 3366 Plumas Slopes between Crocker Mtn and Crocker Mdw, along rd 24N49Y - Bechwourth Ranger District, Plumas National Forest 1804 Comment
  CHSC54859  Dryopteris arguta Vernon H. Oswald 1991-9-11 4873 Plumas Domingo Spring on Chester-Wilson Lake Rd (Forest Rd 29N63; Plumas County Rd 311), ca. 7.5 miles (air) west-northwest of Chester. 1545 Comment
  CHSC94667  Dysphania pumilio Lowell Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS122324  Dysphania pumilio Lowell Ahart 2014-9-9 19840 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CHSC81847  Echinochloa colona Lowell Ahart 2001-10-16 9385 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC81616  Elatine triandra Lowell Ahart 2001-10-8 9325 A Plumas In shallow water of a small stream, east of Lost Cove, below the high water line of Antelope Lake, northeast of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC113708  Eleocharis acicularis Thomas H. Kearney 1944-8-14 16 Plumas Near Prattville, Lake Almanor Comment
  CHSC82457  Eleocharis acicularis Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9833 Plumas On the north side of Forest Road 22N94, about 50 yards west of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1583 Comment
  CAS-BOT-BC113704  Eleocharis acicularis Lowell Ahart 1980-10-6 2668 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  SJSU14025  Eleocharis acicularis N. A. Hopkins 1988-8-29 1474 Plumas Antelope Lake Reservoir 1524 Comment
  RSA32329  Eleocharis acicularis var. acicularis Clarence R. Quick 1945-7-20 4568 Plumas U.S.F.S. fenced pasture, Deane s Valley, southeast of Meadow Valley Comment
  CAS-BOT-BC113508  Eleocharis bella John Thomas Howell 1960-7-22 35879 Plumas Wet meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC113513  Eleocharis bella John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2147 Plumas Pond reservoir. 1127 Comment
  CHSC94659  Eleocharis bella Lowell Ahart 2006-10-8 13419 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  UC1133524  Eleocharis bella E. Sawyer 1935-6-27 207 Plumas 1524 Comment
  CAS-BOT-BC113504  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville. 1097 Comment
  SEINET10872721  Eleocharis bella Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5186 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
  SEINET10949394  Eleocharis bella Lawrence P. Janeway 1989-7-25 Janeway 3523 Plumas Crocker Mtn. quad T24N, R14E, NW1/4 of sec. 33. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. Large meadow in yellow pine forest. Wet sandy mud in drying drainage channel 1737 Comment
  JEPS102764  Eleocharis engelmannii Lowell Ahart 2001-8-28 9197 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS114427  Eleocharis engelmannii Lowell Ahart 2008-7-9 15068 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte 1689 Comment
  CHSC20773  Eleocharis macrostachya K. R. Stern 1975-7-25 5862 Plumas N shore of Lake Almanor. 1371 Comment
  RSA26612  Eleocharis obtusa var. engelmannii J. T. Howell 1951-8-20 28212 Plumas Genesee 1128 Comment
  CHSC78475  Eleocharis suksdorfiana Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond Reservoir and Sweetwater Meadow. 1164 Comment
  CHSC78474  Eleocharis torticulmis Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. By little creek in north endof Pond Meadow. 1164 Comment
  CAS-BOT-BC203835  Elymus X hansenii John Thomas Howell 1960-7-18 35597 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC227732  Elymus elymoides L. P. Janeway 1989-6-23 3390 Plumas Beckwourth Ranger District, Plumas National Forest. Upper slopes of ridge overlooking Crocker Cr from the east 1874 Comment
  RSA126907  Elymus glaucus G. T. Nordstrom 1934-7-9 208 Plumas 1 1/4 mile S.E. of Mt. Ararat; Bidwell Bar 1585 Comment
  RSA299615  Elymus glaucus J. T. Howell 1962-6-17 37688 Plumas Sierra Nevada; Butterfly Valley 1037 Comment
  SJSU13915  Elymus glaucus N. A. Hopkins 1985-8-27 1312 Plumas Grass Lake 1767 Comment
  CAS-BOT-BC206522  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42666 Plumas Canyon of Butterfly Creek - Sierra Nevada 1036 Comment
  CHSC115893  Elymus glaucus subsp. glaucus L. P. Janeway 2015-7-29 11812 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CAS-BOT-BC228657  Elymus multisetus John Thomas Howell 1955-7-19 30779 Plumas Beckwourth 1493 Comment
  CDA17225  Elymus trachycaulus G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16328 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC717963  Elymus trachycaulus David D. Keck 1944-7-8 5419 Plumas Feather River Inn Sierra Nevada, Middle Fork Feather River, Mohawk Valley 1356 Comment
  CHSC97080  Elymus trachycaulus subsp. subsecundus Lowell Ahart; Josephine Guardino 2007-7-20 14320 Plumas South of a small drainage, northeast edge of a large meadow, south of Lighting Tree Campground, west of the paved road, east side of Lake Davis. 1789 Comment
  CAS-BOT-BC204410  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1951-6-27 27566 Plumas Johnsville 1584 Comment
  CDA34552  Elytrigia intermedia subsp. intermedia L. Ahart 2008-9-1 15370 Plumas On the north side of East Branch Creek, on the south side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CHSC92827  Elytrigia intermedia subsp. intermedia Lowell Ahart; Josephine Guardino 2005-8-10 12310 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC33731  Epilobium brachycarpum M. S. Taylor 1981-7-13 3994 Plumas Frenchman Lake Canyon, 0.5 mi s of the dam, ca. 11 mi n of Chilcoot on Hwy 70. 1706 Comment
  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
  CHSC97508  Epilobium brachycarpum Lowell Ahart; John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC125426  Epilobium brachycarpum D. Cleveland July 1882 Plumas Big Meadows Comment
  CHSC59757  Epilobium campestre L. P. Janeway 1992-9-16 4310 Plumas Plumas National Forest. Edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC171705  Epilobium canum subsp. latifolium L. P. Janeway 1992-8-30 4299 Plumas McRae Meadow, upper end of East Nelson Creek, Plumas National Forest, Bechwourth Ranger District 1889 Comment
  CAS-BOT-BC171711  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-9-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC171715  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 s.n. Plumas Feather River Canyon Comment
  CAS-BOT-BC171717  Epilobium canum subsp. latifolium E. K. Balls 1950-9-5 15674 Plumas 1 mile off Hwy 24, La Porte road between Quincy and Ramelli, Thompson Valley 1158 Comment
  UC337280  Epilobium canum subsp. latifolium unknown 1874-1 Plumas Indian Valley Comment
  CHSC21317  Epilobium ciliatum subsp. ciliatum F. T. Griggs; A. Pass 1975-7-29 265 Plumas Buck's Lake. Comment
  CHSC34303  Epilobium ciliatum subsp. ciliatum L. Ahart 1981-9-6 3098 Plumas On sand bar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  RSA754369  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2009-7-27 16180 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  SD130487  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-15 51859 Plumas Snake Lake, ca. 4.0 miles northwest of Quincy. 1219 Comment
  CDA13561  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, T. D. Wilfred 1996-7-22 13389 Plumas Sierra Nevada; Plumas Natl. Forest. Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC21329  Epilobium ciliatum subsp. glandulosum F. T. Griggs; A. Pass 1975-8-1 286 Plumas Lower Bucks Lake. Comment
  CHSC92122  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes 2005-9-19 12388 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake. 2080 Comment
  CHSC94780  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS108979  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden 715 Comment
  JEPS95058  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1997-9-11 7910 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of the North Fork Feather River, at the elevated siphon); North Fork Feather River, Caribou Road 731 Comment
  RSA718938  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-10-8 13396 Plumas West side of Chips Creek, just south of the bridge on Highway 70, about 1.25 miles southwest of Belden. 715 Comment
  CHSC53688  Epilobium densiflorum L. P. Janeway 1989-7-18 3495 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.7 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. Along edge of meadow. 1706 Comment
  CHSC91907  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2005-8-9 12260 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
  CHSC97069  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2007-7-20 14352 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  SBBG121213  Epilobium densiflorum L. Ahart 2007-7-20 14352 Plumas strand of Lake Davis ca. 100 yards SE of Long Point, NE side of Lake Davis 1763 Comment
  CHSC117615  Epilobium glaberrimum subsp. glaberrimum L. P. Janeway 2016-8-16 12156 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 23N10 0.3 km north-northwest of bridge across Hopkins Creek; between Pilot Peak and Blue Nose Mtn. 1737 Comment
  SEINET12861783  Epilobium hallianum A. A. Heller 1907-7-9 8785 Plumas [Sierra Nevada] Prattville Comment
  JEPS87820  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas about 0.5 mi e Mount Etna (on s side of Pacific Crest Trail); Sierra Nevada, Mount Etna 1981 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
  CHSC59184  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1992-9-15 5213 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  CAS-BOT-BC57895  Equisetum X ferrissii John Thomas Howell 1959-9-21 34761 Plumas N. Fk. Feather River near Belden. 701 Comment
  CAS-BOT-BC57006  Equisetum arvense John Thomas Howell 1955-7-18 30728 Plumas Mohawk 1371 Comment
  CAS-BOT-BC57003  Equisetum arvense John Thomas Howell; Gordon H. True 1967-7-9 43257 Plumas North Fork of Feather River 4.3 miles southwest of Caribou 792 Comment
  CAS-BOT-BC204598  Eragrostis mexicana subsp. virescens John Thomas Howell 1955-7-19 30734 Plumas Portola 1478 Comment
  SEINET8655777  Eragrostis pectinacea var. pectinacea W. Harnach 2015-7-20 1431 Plumas Just south of the intersection of Co. Rd. A-24 and Marble Lane. 1486 Comment
  SEINET3164607  Eremocarpus setiger E. K. Balls 1950-9-14 15812 Plumas 6 miles northwest of Chester, North Fork Feather River 1402 Comment
  CHSC107425  Eremogone aculeata L. P. Janeway 2011-8-6 10635 Plumas Northern High Sierra Nevada. Plumas National Forest; north-facing edge of the nose of the rocky ridge on southeast side of Quincy-La Porte Road, 1.7 air km northwest of Pilot Peak. 2000 Comment
  SEINET5336834  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  SEINET10765289  Eremogone cliftonii John Thomas Howell 1967-6-23 Howell 42741 Plumas Near Rogers Flat bridge, North Fork Feather River. In gravel of disintegrating granite. 610 Comment
  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
  CAS-BOT-BC174216  Eremogone congesta var. congesta Alice Eastwood 1927-6-17 14679 Plumas United States Forest Reserve. On road from Long Valley to Greenville Comment
  CAS-BOT-BC174301  Eremogone congesta var. suffrutescens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54357 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Resrvoir 1584 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
  CAS-BOT-BC174307  Eremogone congesta var. suffrutescens L. P. Janeway 1992-5-22 4191 Plumas South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. Plumas National Forest, Beckwourth Ranger District 1487 Comment
  UC1748297  Eremogone kingii var. glabrescens L. P. Janeway 2000-6-24 6831 Plumas 0.3 km SW of Crystal Peak ( top of spur ridge); Northern High Sierra Nevada, Diamond Mountains 2304 Comment
  CAS-BOT-BC286650  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville 2164 Comment
  CHSC52726  Ericameria bloomeri L. P. Janeway 1990-8-29 3838 Plumas Plumas National Forest. Southern flank of Mt Ingalls ca 1/4 mi from the top. 2407 Comment
  JEPS121761  Ericameria bloomeri L. P. Janeway 2013-8-28 11197 Plumas Northern High Sierra Nevada. Plumas National Forest; along the main road around the east side of Little Grass Valley Reservoir, across the road into Red Feather Campground. Comment
  SD50988  Ericameria bloomeri Darley F. Howe 1960-9-21 2989 Plumas On Highway 89 alternate, 10 miles from Highway 89 on road to Susanville 1675 Comment
  UC1118676  Ericameria bloomeri N. French 1934-11-16 555 Plumas 6 mi s Beckwith; Sierraville Quad. 1493 Comment
  UC1557873  Ericameria bloomeri J. Semple, S. Heard 1986-8-13 8414 Plumas between La Porte and Quincy (Little Grassy Lake Rd., near Little Grassy Valley Rec. Area) Comment
  JEPS124132  Ericameria nauseosa var. oreophila Lowell Ahart, John Deurloo 2015-8-25 20531 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  JEPS95053  Ericameria nauseosa var. oreophila Lowell Ahart 1997-9-11 7903 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on w idge of Caribou Road, on w side of the North Fork of Feather River); North Fork of Feather River, Caribou Road 792 Comment
  CHSC40563  Ericameria nauseosa var. speciosa Lowell Ahart; Jim Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CHSC69411  Ericameria nauseosa var. speciosa Lowell Ahart 1997-8-19 7872 Plumas On the east side of Lumpkin Ridge Road, about 7 1/2 mile east of Camp 18, about 14 miles (air) northeast of Feather Falls. 1402 Comment
  CHSC99974  Ericameria nauseosa var. speciosa Lowell Ahart 2008-9-10 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CAS-BOT-BC294313  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park 1615 Comment
  CAS-BOT-BC293029  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34961 Plumas Near Blairsden 1341 Comment
  UC203263  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2181 Plumas Portola Comment
  JEPS108584  Erigeron aphanactis var. aphanactis L. P. Janeway 2005-7-31 8506 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
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  CAS-BOT-BC58396  Erigeron bloomeri R. C. Wenk 2009-7-13 1118 Plumas Plumas N.F., Frenchman Lake, Little Last Chance Creek Road, 1.2 air mi. WNW of reservoir dam 1750 Comment
  CHSC69510  Erigeron canadensis Lowell Ahart 1997-9-11 7914 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CHSC81096  Erigeron canadensis Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC297147  Erigeron concinnus var. concinnus L. W. Swift 1934-5-18 127 Plumas Sugarloaf near Meadow View 1889 Comment
  CAS-BOT-BC295995  Erigeron divergens Gordon H. True; John Thomas Howell 1969-6-23 45838 Plumas 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  CAS-BOT-BC295997  Erigeron divergens John Thomas Howell 1959-9-24 34931 Plumas Butterfly Creek near mouth, Sierra Nevada Comment
  CDA18458  Erigeron divergens G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3177 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CAS-BOT-BC300403  Erigeron eatonii var. plantagineus Alice Eastwood 1918-5-25 7022 Plumas Portola Comment
  CAS-BOT-BC300404  Erigeron eatonii var. plantagineus Alice Eastwood 1918-5-25 7022 Plumas Portola Comment
  CAS-BOT-BC300408  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest, Beckwourth Ranger District. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road 1697 Comment
  UC1538512  Erigeron eatonii var. plantagineus John L. Strother 1987-6-28 1359 Plumas ca 6 mi n Beckwourth (along road to Genes, n of Sierra Valley) 1750 Comment
  CAS-BOT-BC300418  Erigeron eatonii var. sonnei John Thomas Howell 1962-6-17 37699 Plumas Portola 1463 Comment
  CHSC96918  Erigeron eatonii var. sonnei Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13982 Plumas Open rocky flat, along the edge of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC118723  Erigeron eatonii var. sonnei Amy Rachkowski; Wendy L. Boes 2015-6-25 2015003 Plumas Plumas National Forest. Located near Moonlight Valley, west of Forest Service road 28N80, north of 27N77. UTM 686937 E, 4455599 N, NAD83 Zone 10N. 1680 Comment
  JEPS107693  Erigeron inornatus var. inornatus Lowell Ahart, John Dittes 2005-9-20 12456 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
  JEPS88181  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1996-8-14 8163 Plumas Silver Lake Rd. 0.5 mi se Silver Lake Campground (ne of Bucks Lake); northern High Sierra Nevada 1706 Comment
  SJSU6634  Erigeron inornatus var. inornatus J. W. Tilden 1958-6-29 1299 Plumas southwest shore of Lake Almanor 1828 Comment
  OBI49210  Erigeron lassenianus Lewis S. Rose 1939-6-8 39264 Plumas S end of Lake Almanor 1372 Comment
  CHSC71631  Erigeron lassenianus var. deficiens Vernon H. Oswald; Lowell Ahart 1998-8-11 9487 Plumas Northwest of Onion Valley at Sawpit Flat on Cleghorn Bar Rd. 1.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1920 Comment
  JEPS109586  Erigeron lassenianus var. deficiens Dean W. Taylor 2002-7-3 18221 Plumas Forest Road 22N27 ca. 0.5 miles west from junction Forest Road 22N29 (ca. 1 air mile NW of Little Grass Valley dam) 1706 Comment
  JEPS55231  Erigeron lassenianus var. lassenianus Lewis S. Rose 1967-7-11 67160 Plumas 9.5 mi ne Quincy Junction 1249 Comment
  JEPS119932  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas About 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  UC1075734  Erigeron petrophilus var. sierrensis Robert J. Weatherby 1955-7-21 1650 Plumas head No Ear Bar Trail; Middle Fork Feather River, Rocky Point 1524 Comment
  CHSC118839  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015005 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  CAS-BOT-BC300123  Erigeron pumilus var. intermedius Thomas H. Kearney 1944-8-14 154 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC300128  Erigeron pumilus var. intermedius Sommers 1976-6-24 6129 Plumas Sierra Valley 1487 Comment
  SEINET8687552 Image available Erigeron pumilus var. intermedius W. Harnach, N. Harnach 1990-6-13 368 Plumas Sierra Valley. W of Beckwourth, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC300124  Erigeron pumilus var. intermedius Mrs. H. C. Cantelow 1951-7-29 19 Plumas Hwy 24 about 6 miles e. of Blairsden Comment
  UCD169241  Erigeron robustior S. L. Welsh; N. D. Atwood 2001-6-13 28127 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  RSA88079  Eriodictyon californicum J. T. Howell 1951-6-26 27554 Plumas Near Keddie. 976 Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  UCD99751  Eriogonum baileyi John Thomas Howell 1959-9-25 35028 Plumas summit of Beckwourth Pass. 1588 Comment
  CAS-BOT-BC256171  Eriogonum douglasii var. meridionale John Thomas Howell 1962-6-18 37790 Plumas Sierra Valley near Beckwourth, Sierra Nevada 1487 Comment
  JEPS108538  Eriogonum douglasii var. meridionale L. P. Janeway, B. Castro 2006-6-3 8659 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
  RSA759519  Eriogonum douglasii var. meridionale James L. Reveal 2007-6-5 8839 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  CAS-BOT-BC246533  Eriogonum elatum var. elatum Lewis S. Rose 1934-7-23 34421 Plumas Chilcoot, Sierra Valley 1522 Comment
  CAS-BOT-BC246534  Eriogonum elatum var. elatum Lewis S. Rose 1955-7-19 55141 Plumas Beckwourth 1493 Comment
  CHSC62480  Eriogonum elatum var. elatum L. P. Janeway 1993-8-10 4513 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. Around the sagebrush in sagebrush flats. 1487 Comment
  CAS-BOT-BC255756  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Road (32N49), ca. 1 mi. NW of Mt. Jackson, ca. 5 air mi nw of Mohawk 1645 Comment
  CAS-BOT-BC259355  Eriogonum lobbii Lewis S. Rose 1932-9-5 32619 Plumas Jamison Lake 1889 Comment
  CHSC107474  Eriogonum lobbii L. P. Janeway; Peter Zika 2011-8-6 10630 Plumas Northern High Sierra Nevada. Plumas National Forest; on top of the serpentine ridge on southest side of Quincy-La Porte Road, 1.4 air km northwest of Pilot Peak. 2015 Comment
  CHSC98939  Eriogonum lobbii L. P. Janeway; David Toren 2007-10-10 9218 Plumas Northern High Sierra Nevada. Granite Basin; north-south trending ridge between Little North Fork Middle Fork Feather River and Frazier Creek. 1605 Comment
  CAS-BOT-BC267331  Eriogonum luteolum var. pedunculatum John Thomas Howell 1951-6-26 27541 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  RSA11908  Eriogonum marifolium Elmer I. Applegate 1929-6-21 5817 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  SD46712  Eriogonum marifolium Robert J. Weatherly 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC263299  Eriogonum marifolium var. marifolium A. A. Heller; P. B. Kennedy 1907-7-3 8707 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC264820  Eriogonum nudum var. deductum John Thomas Howell 1951-6-26 27546 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CDA18581  Eriogonum nudum var. deductum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3296 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CDA19227  Eriogonum nudum var. deductum G. D. Barbe, T. C. Fuller 1982-6-17 3798 Plumas Plumas National Forest; Junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co line. 1371 Comment
  SBBG64142  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 Plumas between Taylorville and Little Grizzly Crk Comment
  UC1075649  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2225 Comment
  CAS-BOT-BC261587  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat 1615 Comment
  CAS-BOT-BC261590  Eriogonum nudum var. nudum John Thomas Howell 1961-9-23 36889 Plumas Englemine 1097 Comment
  CHSC108459  Eriogonum nudum var. nudum Lowell Ahart 2011-9-17 17660 Plumas Gravel bar 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
  CHSC62153  Eriogonum nudum var. nudum L. P. Janeway 1993-7-31 4485 Plumas Plumas National Forest. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. Road cutbank. 1066 Comment
  JEPS96021  Eriogonum nudum var. nudum Vernon H. Oswald and Lowell Ahart 1996-8-14 8160 Plumas ca. 2 mi. (air) n.w. Meadow Valley (road paralleling Spanish Creek near Greens Flat, on Oroville-Quincy Hwy.); northern High Sierra Nevada 1127 Comment
  CAS-BOT-BC269729  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-8-30 5075 Plumas Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville 1920 Comment
  CDA18580  Eriogonum nudum var. oblongifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3297 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  UCD100553  Eriogonum nudum var. oblongifolium Robbins; Raynor 1943-6-1 s.n. Plumas Near Quincy. Comment
  SEINET5332075  Eriogonum pedunculatum A. A. Heller, P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET11933188  Eriogonum strictum var. anserinum Taylor 1981-1 3937 A Plumas Grizzly Valley quad., N side of rd 25N93, ca 1.5 mi NW of Bagley Pass, ca 12 mi N of Blairsden 1768 Comment
  CAS-BOT-BC267497  Eriogonum umbellatum M. S. Taylor 1982-7-21 4892 Plumas Around s end of Bachs Creek Ridge, ca. 5 mi se of Quincy 1752 Comment
  CAS-BOT-BC267491  Eriogonum umbellatum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley (E. side of valley) 1082 Comment
  CAS-BOT-BC267495  Eriogonum umbellatum L. P. Janeway 1992-7-8 4249 Plumas Plumas National Forest, Beckwourth Ranger District. 0.15 mi south of Beckwourth-Genesee Road, 0.7 mi northwest of Clover Valley Ranch 1676 Comment
  CHSC67686  Eriogonum umbellatum var. modocense James D. Jokerst 1985-7-23 2541 Plumas Arid slopes adjacent to old county road ca. 400 ft. elevation above Hwy. 70 N of Indian Creek, due N of Indian Falls. 807 Comment
  CAS-BOT-BC265166  Eriogonum umbellatum var. nevadense Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CHSC60546  Eriogonum umbellatum var. nevadense L. P. Janeway 1992-7-13 4262 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Top of Grizzly Ridge between Joseph Creek and Greenhorn Creek. 2255 Comment
  CHSC97549  Eriogonum umbellatum var. nevadense Lowell Ahart; John Dittes 2007-6-17 14153 Plumas About 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC108118  Eriogonum umbellatum var. polyanthum Lowell Ahart 2011-9-17 17672 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1645 Comment
  SBBG64055  Eriogonum umbellatum var. polyanthum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
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Feb 22 2017
  NY323638  Eriogonum ursinum Mrs. Ames s.n. Plumas Light's Canyon Comment
  SEINET10479582  Eriogonum ursinum Mary Susan Taylor 1982-7-21 Taylor 4898 Plumas T23N R10E sw/nw sec 14. Onion Valley quad. Summit of Little Volcano, ca. 5 mi se of Quincy. 5801 ft. Dry rocky outcrop. 1768 Comment
  SEINET11933185  Eriogonum ursinum M. S. Taylor 1982-1 4898 Plumas Summit of Little Valcano, ca 5 mi SE of Quincy. T23N R10E SW/NW Sec 14. Onion Valley Quad 1768 Comment
  SEINET5332054  Eriogonum ursinum A. A. Heller, P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville and Little Grizzly Creek. Comment
  SD86305  Eriogonum ursinum var. ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam Comment
  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
  CAS-BOT-BC262328  Eriogonum vimineum W. Harnach; N. Harnach 1989-6-29 200 Plumas Sierra Valley. Hindoo Ranch 1490 Comment
  SEINET11933187  Eriogonum vimineum M. S. Taylor 1982-1 4983 Plumas along Jackson Creek Rd (23N48) ca 1 mi NW of Mt.Jackson, ca 5 air mi NW of Mohawk 1646 Comment
  SEINET5332217  Eriogonum vimineum J. L. Reveal 1975-8-24 3975 Plumas Along California Highway 70 in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground. 876 Comment
  UC774944  Eriogonum vimineum Carl B. Wolf 1937-8-6 9066 Plumas 2 mi n Blairsden; Sierra Nevada, Mohawk Valley 1341 Comment
  CHSC54425  Eriophorum gracile Vernon H. Oswald 1991-7-17 4746 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  UC171416  Eriophyllum lanatum var. grandiflorum A. A. Heller 1913-6-13 10855 Plumas near Quincy 1066 Comment
  UCR150988  Eriophyllum lanatum var. grandiflorum L. C. Wheeler 1959-7-15 7568 Plumas Sierra Nevada Mtns, Middle fork of Feather River: McCarty Mine, McCarthy Bar Comment
  SEINET10475234  Eriophyllum lanatum var. grandiflorum Mary Susan Taylor 1981-7-29 Taylor 4145 Plumas T25N R11E nw 1/4 sec 13. Genesse Valley quad. In granite rd embankment, E side of 25N41-Flournoy Grade, 2.2 mi S of Flournoy Bridge, ca. 3 air mi e of Genesse. 5100 ft. 1554 Comment
  UC1118251  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-10 94 Plumas 4.75 mi wsw Summit; Sierraville Quadrangle Comment
  JEPS115793  Erodium cicutarium Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15883 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line 1374 Comment
  CHSC90611  Erysimum capitatum John P. McKeon 1980-4-19 5 Plumas Ca. 20 m e of Rock Creek and .5 km nw of confluence with Feather River, 5 km east of Plumas-Butte County line. 600 Comment
  CHSC79710  Erysimum perenne G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13207 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1615 Comment
  CHSC40655  Erythranthe guttata Lowell Ahart 1985-9-26 5179 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
  SD77347  Erythranthe guttata Francis W. Pennell 1940-6-12 25819 Plumas Sierra Valley, 1 mi. S. of Beckwourth 1493 Comment
  CHSC21568  Erythranthe primuloides L. M. Mayer; D. E. Brink Jr. 1975-7-23 Plumas Bucks Lake Floristic Survey. Comment
  CHSC53221  Erythranthe primuloides L. P. Janeway 1989-6-30 3426 Plumas Narrow meadow along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CAS-BOT-BC505253  Erythronium purpurascens Alice Eastwood 1927-6-15 14534 Plumas United States forest reserve, on trail to Long Valley Comment
  CAS-BOT-BC505254  Erythronium purpurascens Elmer I. Applegate 1929-6-21 5802 Plumas Drakesbad, head of Warner Valley, Mt. Lassen National Park Comment
  HSC15510  Erythronium purpurascens Jim Vaughn 1956-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen area, Mt. Lassen National Park 1829 Comment
  RSA113224  Erythronium purpurascens E. K. Balls, Lee W. Lenz 1955-5-14 20706 Plumas Forest Lodge just SW of Greenville. 1128 Comment
  RSA28155  Erythronium purpurascens Elmer I. Applegate 1929-6-20 5772 Plumas Upper Kings Meadow, east base of Lassen Butte Comment
  UC726211  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy 1097 Comment
  RSA60218  Eschscholzia californica subsp. californica E. K. Balls 1950-9-6 15692 Plumas 3.1 miles E of turn to Sloat, Hwy 24, between Quincy and Portola. 1250 Comment
  CAS-BOT-BC310380  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  CHSC34940  Eucephalus breweri M. S. Taylor 1981-6-22 4100 Plumas E side of 26N21 (Grizzly Peak Rd) just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 2103 Comment
  CHSC92945  Eucephalus breweri L. P. Janeway; B. Castro 2005-9-11 8546 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail about 0.6 km north of Three Lakes. 1899 Comment
  JEPS96043  Eucephalus breweri Vernon H. Oswald and Lowell Ahart 1996-8-14 8147 Plumas on the La Porte-Quincy Rd. 0.9 mi n road to Johnsville ((0.9 mi n of Sierra Co. 2 mi post), ne of La Porte); northern High Sierra Nevada 1889 Comment
  SEINET3386675 Image available Eucephalus breweri Lewis S. Rose 1932-9-5 32618 Plumas Jamison Lake 1890 Comment
  CHSC66746  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8148 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johns-ville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  UC1557867  Eurybia integrifolia J. Semple and S. Heard 1986-8-13 8415 Plumas near, Little Grass Lake Road Little Grass Valley Rec. area (between LaPorte & Quincy) Comment
  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
  CAS-BOT-BC310596  Eurybia radulina Ira L. Wiggins 1948-9-15 12053 Plumas On ridge between Onion Creek and Middle Fork of the Feather River Comment
  CAS-BOT-BC312258  Euthamia occidentalis M. S. Taylor 1981-9-2 4269 Plumas N tip of Round Valley Reservoir by road 204 ca. 3 air mi. S of Greenville 1371 Comment
  JEPS98999  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1365 Comment
  CHSC69489  Festuca arundinacea James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2549 Plumas Hwy. 70, Serpentine Canyon 1.6 mi SW of its junction with Rich Gulch Rd. Comment
  OBI21834  Festuca microstachys Lewis S. Rose 1967-6-12 67115 Plumas Butterfly Valey, 3 mi W of Keddie 1219 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
  CAS-BOT-BC278858  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of 23N39, ca. 1 air mi w of White Cap, ca. 4 air mi sw of Sloat 1767 Comment
  CHSC94133  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  SEINET10559331  Festuca occidentalis Mary Susan Taylor, John Thomas Howell 1982-6-21 Taylor 4703 Plumas T23N R10E se 1/4 sw 1/4 sec 24. Blue Nose Mt. quad. S side of 23N39, 1 air mi w of White Cap, 4 air mi sw of Sloat. With Pteridium aquilinum, Prunus emarginata, & a live rattlesnake. 1768 Comment
  CAS-BOT-BC279018  Festuca rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54121 Plumas 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
  UC1024664  Festuca rubra Leo Whitney 1934-8-8 2185 Plumas ca 9 mi nw Portola (Fireman Creek, nw end of Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CAS-BOT-BC282569  Festuca viridula John Thomas Howell 1951-6-28 27702 Plumas Eureka Peak 2255 Comment
  JEPS87591  Festuca viridula Lowell Ahart 1994-7-7 7469 Plumas ca. 1/4 mi. (air) s.w. Pilot Peak (w. side of Pacific Crest Trail); Pacific Crest Trail 2011 Comment
  UCD116394  Floerkea proserpinacoides Grady L. Webster 1992-5-17 7767 Plumas 2 miles SW of Grizzly Valley Dam. 1737 Comment
  SEINET11910371  Fragaria platypetala W. Knight, Knight, I. 1983-1 4897 Plumas Warner Crk Campground betw. Chester adn Drakesbad 1539 Comment
  CHSC75401  Fragaria virginiana Vernon H. Oswald 1999-5-26 9729 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. On forest floor between the road and a meadow. 1371 Comment
  UCSB26133  Frangula californica subsp. tomentella Belshaw, Charles 1940-5-20 Plumas Between Belden and Longville on tributary of Yellow Creek. Comment
  CHSC82358  Frangula purshiana Lowell Ahart 2002-7-6 9838 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  UCD50250  Frangula purshiana Daniel Axelrod early 1974? 4 Plumas Northwest of Jamison Mine, 1 mile above (south of) Johnsville, on east side of Eureka Plumas State Park, Southern Plumas County, California. 1828 Comment
  SEINET10493575  Frangula purshiana Mary Susan Taylor 1981-7-18 Taylor 4054 Plumas T26N R7E sw/se sec 33, Almanor SW quad. On serpentine, N side of Caribou Rd, ca. 4 mi NE of its jct with Hwy 70 near Belden. 2700 ft elev. 823 Comment
  HSC99896  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12052 Plumas Road along Jamison Creek, west of Eureka-Plumas State Park. 1677 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
  RSA739746  Frangula purshiana subsp. annonifolia L. P. Janeway, B. Castro 2007-8-18 9206 Plumas Northern High Sierra Nevada. Along Soda Creek and Road 25N22, 1.2 km NW of Hwy 70 and West Branch North Fork Feather River. 942 Comment
  JEPS118619  Frangula purshiana subsp. ultramafica B. Castro, L. P. Janeway 2001-7-22 1353 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. In open rocky areas up from road (the western extension of USFS Rd 23N69). Haskins Valley 7.5' quad. Comment
  SBBG33895  Frangula rubra subsp. obtusissima L. S. Rose 1969-6-23 Plumas 10 mi SW of Quincy, La Porte Rd 1249 Comment
  CDA18666  Fritillaria atropurpurea G. D. Barbe, T. C. Fuller 1982-6-15 3713 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 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
  SEINET10469563  Fritillaria atropurpurea Mary Susan Taylor 1982-1 Plumas Comment
  SD6473  Fritillaria pudica Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SEINET8479430  Fritillaria pudica W. Harnach, N. Harnach 1989-3-29 003 Plumas Approx 1/2 mile N of Sierra/Plumas Co. line on Co. Rd. A-23, Hillside N of the Barry corrals. 1500 Comment
  CAS-BOT-BC504451  Fritillaria recurva Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UC337828  Fritillaria recurva unknown 1889-5-26 Plumas Mohawk Valley, Culver's Ranch Mohawk Valley; , Culver's Ranch Comment
  CHSC60919  Galium bifolium Vernon Oswald 1993-7-1 5627 Plumas Lassen Volcanic National Park. West slope of Bonte Pk., ca. 0.4 mi SW of the summit. 2133 Comment
  CHSC97195  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14000 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS115549  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
  UC1408971  Galium bolanderi R. F. Thorne and C. W. Tilforth 1969-9-6 39223 Plumas c. 2.5 mi s Graeagle (on Gold Lake Road) 1645 Comment
  UC1523194  Galium bolanderi M. S. Taylor 1981-8-19 4221 Plumas 0.1 mi e Bell Creek (s side of rd 23N0, ca 1.5 mi w of Sloat); Blue Nose Mt. quad. 1371 Comment
  CHSC36938  Galium grayanum M. S. Taylor 1982-8-5 4932 Plumas Mt Hough summit, on cliff above Crystal Lake, ca. 7 mi NNE of Quincy. 2203 Comment
  SEINET10500721  Galium grayanum Mary Susan Taylor 1982-8-5 Taylor 4932 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  SEINET10902548  Galium grayanum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4331 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10500745  Galium trifidum var. pacificum Mary Susan Taylor 1982-8-17 Taylor 5005 Plumas T24N R12E ne/ne sec 20. Little Summit Lake, on Grizzly Creek, ca. 5 air mi ne of Sloat. Riparian; 5900 ft. 1798 Comment
  SEINET10968825  Galium trifidum var. subbiflorum Lowell Ahart 1985-7-3 Ahart 5104 Plumas About 4 1/4 miles north-east of La Porte. Comment
  JEPS122315  Galium triflorum Lowell Ahart 2014-8-31 19819 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-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
  UC1122698  Garrya fremontii G. T. Nordstrom 1934-7-9 200 Plumas 0.75 mi sw Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  UC1122702  Garrya fremontii C. G. Albertus 1935-7-22 226 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  JEPS104606  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2003-8-8 10487 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  POM183993  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 s.n. Plumas Drakesbad 1829 Comment
  UC1618181  Gayophytum diffusum subsp. parviflorum Barbara Ertter 1988-7-25 7848 Plumas 1/2 mi n Diamond Mt.-Greeneville-Red Rock jct (ca 12 air mi ssw of Susanville); Diamond Mts., Snoring Springs 1981 Comment
  CHSC80844  Gayophytum heterozygum Lowell Ahart 2001-7-17 8920 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
  CHSC92174  Gayophytum heterozygum Lowell Ahart; John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2049 Comment
  CHSC115164  Gayophytum humile Lowell Ahart 2015-6-7 20222 Plumas On the west side of the dirt road, Lava Top, about 2-1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  RSA101449  Gayophytum humile R. Weatherby 1955-7-2 1589 Plumas Wilcox Valley. 1768 Comment
  JEPS23193 Image available Gayophytum ramosissimum var. obtusum W. L. Jepson 1918-8-2 7755 Plumas Beckwith Pass; ; Becksmith Pass 1463 Comment
  CHSC115745  Gentiana calycosa L. P. Janeway 2015-8-3 11813 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. 1696 Comment
  HSC94150  Gentiana calycosa G. Fred Hrusa 1996-8-2 13428 Plumas SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock 1900 Comment
  SEINET10454845  Gentiana calycosa Mary Susan Taylor 1982-8-23 Taylor 5042 Plumas T25N R8E nw/se sec 19. Almanor SW quad. On both sides of Virgilia-Meadow Valley Rd (25N17), in small creek, ca. 0.5 mi w of York Cr, s of 12 Mile Ravine, ca. 1.5 mi sw of Virgilia. 4400 ft. 1341 Comment
  UC1191689  Gentiana newberryi Malcolm A. Nobs and S. Galen Smith 1949-8-19 1451 Plumas Butterfly Valley Comment
  UC878534  Gentiana newberryi Mrs. A. L. Coombes Sep 1912 Plumas Big Meadows Comment
  UC1191686  Gentianopsis holopetala Malcolm A. Nobs and S. Galen Smith 1949-8-19 1433 Plumas at Butterfly Valley Butterfly Valley Comment
  UC338823  Gentianopsis holopetala unknown 1137 Plumas Butterfly Valley Comment
  UC405454  Gentianopsis holopetala Mrs. R. M. Austin 1875-1 Plumas Comment
  UC105574  Gentianopsis simplex Mrs. R. M. Austin 1882-8-7 Plumas Hot Spring Valley Comment
  CAS-BOT-BC459556  Geum macrophyllum David D. Keck 1932-7-3 1697 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  SEINET8655876  Gilia sinuata W. Harnach 2014-4-29 1384 Plumas Sierra Valley, on Frenchman Road, then 1.45 miles NE on FR 24N88, 1.2 miles N of Chilcoot. 1654 Comment
  RSA232878  Glyceria fluitans L. S. Rose 1968-6-10 68096 Plumas Quincy, Spanish Creek. 1037 Comment
  SEINET6836553 Image available Glyceria striata Malcolm A. Nobs, S. Galen Smith 1949-8-20 1464 Plumas 13 mi SW of Milford on road between Milford and Beckwourth Comment
  CAS-BOT-BC307393  Gnaphalium palustre Anna Head 1921-8-8 s.n. Plumas Lake Center Camp , Feather River Region Comment
  CAS-BOT-BC307394  Gnaphalium palustre Anna Head 1920-8-3 s.n. Plumas Lake Center Camp , Feather River Region 1920 Comment
  CDA17259  Gnaphalium palustre G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16286 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CDA19266  Gnaphalium palustre G. D. Barbe, T. C. Fuller 1982-6-17 3844 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS21903  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-8-18 1351 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  CDA6088  Grindelia camporum T. C. Fuller 1957-9-16 333 -57 Plumas Virgilia. 0 Comment
  JEPS113898  Grindelia squarrosa var. serrulata L. P. Janeway and B. Castro 2007-8-18 9199 Plumas Northern High Sierra Nevada; Along Hwy 70 and East Branch North Fork Feather River at mouth of Soda Creek 893 Comment
  CAS-BOT-BC182429  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54113 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  UC1560384  Hackelia nervosa E. Joyal and D. Mehlman 1988-7-3 1306 Plumas 11 mi n of Quincy; Plumas National Forest, Mount Hough 2000 Comment
  SEINET10474685  Haplopappus acaulis Mary Susan Taylor 1981-6-16 Taylor 3911 Plumas T23N R13E sw/sw sec 4. Grizzly Valley quad. NW side of rd 24N07, ca. 1 mi NW of Smith Peak Lookout, ca. 7 mi NE of Blairsden. Open gravelly slope in Sagebrush Scrub; 6800 ft elev. 2073 Comment
  SEINET10474687  Haplopappus bloomeri Mary Susan Taylor 1982-9-13 Taylor 5129 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  SEINET10474690  Haplopappus bloomeri Mary Susan Taylor 1981-8-4 Taylor 4152 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
  SBBG21835  Hastingsia alba D. Myrick 1964-7-20 886 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  UC1093642  Hastingsia alba Herbert L. Mason 1957-7-7 14748 Plumas in lateral stream above Feather River Canyon (along Alternate Route #40, 2 mi e of Rich Bar); above Feather River Canyon Comment
  CHSC62340  Hazardia whitneyi var. whitneyi B. Castro 1989-8-21 408 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine, along edges of USFS Rd 23N70. 1554 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS112823  Helenium bigelovii Dean W. Taylor 1974-10-1 5055 Plumas Comment
  CAS-BOT-BC314802  Helianthella californica var. nevadensis John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1651 Plumas Adjacent to Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  SEINET10473802  Helianthus annuus subsp. lenticularis Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4172 Plumas T26N R9E sw 1/4 nw 1/4 10. Greenville NW quad. S end of Greenville, W side of Hwy 89, dry gravelly roadside. 3800 ft. 1158 Comment
  UCR61935  Helianthus bolanderi D. F. Howe 1959-8-3 2783 Plumas 41 mi north of Quincy on 89, west of Lake Alamanor 1372 Comment
  UC1191097  Hemizonella minima Francia Chisaki 1956-5-31 896 a Plumas on road to Calpine about 3 mi s junction with Highway #40; Sierra Valley Comment
  RSA114443  Hesperochiron pumilus E. K. Balls, Lee W. Lenz 1955-5-14 20718 Plumas 8.6 mi N of Canyon dam, on road from Greenville to Lake Almanor. 1402 Comment
  RSA21529  Hesperochiron pumilus Carl B. Wolf 1937-5-17 8715 Plumas Northern Sierra Nevada. 1.7 miles west of Lake Almanor P.O. 1311 Comment
  SEINET10497051  Hesperochiron pumilus Mary Susan Taylor 1982-5-6 Taylor 4407 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  CDA14660  Hesperolinon micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3099 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  HSC15822  Hesperolinon micranthum L. S. Rose 1967-7-11 67158 Plumas Mt. Hough Rd., 2 mi. NE of Quincy Jct. 1220 Comment
  UC1563669  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi w jct with Hwy 89 and Hwy 36 (sw of Chester) 1463 Comment
  UCD19159  Hesperolinon micranthum June McCaskill 1956-1 418 Plumas Lake Almanor region? Comment
  CAS-BOT-BC280683  Hesperostipa comata John Thomas Howell 1962-6-19 37842 Plumas The Buttes, n. Sierra Valley 1493 Comment
  RSA129512  Hesperostipa comata subsp. comata E. Sawyer 1935-6-10 95 Plumas 4.5 mi WSW of Summit 1494 Comment
  CHSC95001  Heterocodon rariflorum Lowell Ahart 2006-10-23 13477 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UC194083  Heterotheca oregona var. rudis Lemmon May 1878 Plumas Banks of Susan River Susan River Comment
  SEINET5708823 Image available Heterotheca villosa var. minor Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7716 Plumas Chilcoot. Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CAS-BOT-BC425153  Heuchera rubescens Rimo Bacigalupi 1927-7-2 1687 Plumas about 1/4 mile below outlet of Long Lake along Grey Eagle Creek 1828 Comment
  CAS-BOT-BC425154  Heuchera rubescens John Thomas Howell; Gordon H. True 1967-7-11 43352 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC21307  Hieracium albiflorum F. T. Griggs; A. Pass 1975-7-29 255 Plumas Buck's Lake. Comment
  UCR89180  Hieracium albiflorum Walter Knight, J. T. Howell, I. Knight 1966-7-28 s.n. Plumas Butterfly Canyon along roadside 991 Comment
  CHSC20759  Hippuris vulgaris K. R. Stern 1975-7-24 5884 Plumas N shore of Lake Almanor. 1371 Comment
  RSA0016764  Hippuris vulgaris R. C. Bacigalupi 1927-7-12 1726 Plumas Along Spanish Creek, 0.5 mile N of Quincy. Comment
  CAS-BOT-BC55406  Hirschfeldia incana John Thomas Howell 1951-8-19 28189 Plumas Sierra Nevada. Greenville. 1097 Comment
  RSA59459  Holcus lanatus E. K. Balls 1950-9-16 15875 Plumas 5 miles southeast of Graeagle, Sulphur Creek, highway 89. 1372 Comment
  CHSC118671  Holcus lanatus Chelsea Morgan 2015-6-30 2015025 Plumas Plumas National Forest. Location northwest of Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1590 Comment
  CHSC42046  Holodiscus microphyllus var. microphyllus Lowell Ahart 1986-7-8 5357 Plumas Near cliffs, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  HSC10147  Hordeum brachyantherum L. S. Rose 1968-6-10 68084 Plumas Quincy Meadow 1037 Comment
  CAS-BOT-BC284653  Hordeum brachyantherum subsp. brachyantherum Lewis S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  CAS-BOT-BC284654  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1977-8-8 s.n. Plumas At the lake one mile west of Pilot Pk. 2000 Comment
  SEINET10610426  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1995-9-13 Ahart 7622 Plumas T22N, R10E, south-east 1/4 Section 5. On dry gravelly soil, on the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Common. Mountain meadow in Red Fir Forest. 1829 Comment
  SEINET10507465  Hordeum jubatum Mary Susan Taylor 1982-8-9 Taylor 4959 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  CHSC114317  Horkelia fusca subsp. parviflora G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3149 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC143996  Horkelia fusca var. tenella A. A. Heller; P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  POM34915  Horkelia tridentata subsp. flavescens Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC545674  Horkelia tridentata subsp. tridentata Milo S. Baker 1935-6-26 8093 Plumas near Cabin (on Hwy 39); Child's Meadow Comment
  CAS-BOT-BC538233  Horkelia tridentata var. flavescens unknown 1915-4-7 s.n. Plumas Plumas National Forest Comment
  CAS-BOT-BC538234  Horkelia tridentata var. flavescens A. A. Heller; P. B. Kennedy 1907-7-11 8799 Plumas Prattville Comment
  CHSC113588  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  UC1069093  Hydrophyllum capitatum var. alpinum E. Sawyer 1935-5-22 28 Plumas 1.25 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quad. 1706 Comment
  SBBG6112  Hydrophyllum occidentale H. and M. Dearing 1939-5-9 3319 Plumas Feather River, North Blairsden Comment
  SD7539  Hypericum anagalloides D. C. 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  SEINET10905162  Hypericum formosum subsp. scouleri Mary Susan Taylor 1981-7-21 Taylor 4085 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  CHSC105189  Hypericum formosum var. scouleri B. Castro; L. P. Janeway 1997-9-14 783 Plumas Springy S-facing slope above Jamison Creek, above Rd 507 ca 0.9 mi E of the Plumas-Eureka State Park boundary. 1828 Comment
  JEPS101239  Hypericum formosum var. scouleri Dean W. Taylor 2000-8-8 17563 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  SD230244  Hypericum perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy Comment
  CAS-BOT-BC401438  Hypericum scouleri Walter Knight; Irja Knight 1966-6-18 1331 Plumas Butterfly Valley 1173 Comment
  CAS-BOT-BC401434  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  CHSC67402  Iris tenuissima subsp. purdyiformis James D. Jokerst 1984-4-25 1989 Plumas Big Grizzly Hydro Project. Ca 2/3 of the way above the river on the inner steep rocky gorge of N. Fork Feather River. 1341 Comment
  RSA101386  Isoetes bolanderi R. Weatherby 1955-7-25 1658 Plumas Silver Lake near Meadow Valley. 1829 Comment
  JEPS89839  Isoetes occidentalis Dean W. Taylor 1974-10-1 5051 Plumas ca. 3 mi. s. Plumas-Eureka State Park (Jamison Creek drainage, Wade Lake); N. Sierra Nevada, Wade Lake, Jamison Creek drainage 2000 Comment
  POM250773  Ivesia aperta var. aperta D. D. Keck, A. Gustafson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mile E of town 1500 Comment
  CAS-BOT-BC137435  Ivesia baileyi var. baileyi John Thomas Howell 1977-8-11 52685 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  UCD169235  Ivesia sericoleuca S. L. Welsh; N. D. Atwood 2001-6-13 28133 -A Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  CHSC94991  Juncus acuminatus Lowell 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. 1281 Comment
  JEPS110541  Juncus acuminatus Lowell 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 o 1281 Comment
  RSA727524  Juncus balticus var. balticus L. Ahart, Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  UCD141377  Juncus bufonius A. A. Heller 1907-7-3 8694 Plumas Red Clover valley. 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
  UCD108046  Juncus confusus Tim Kuhn 2006-6-23 81 Plumas near Bagley Pass. Comment
  JEPS114931  Juncus covillei Lowell Ahart 2008-7-9 15059 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast 1645 Comment
  RSA59260  Juncus covillei E. K. Balls 1950-8-31 15561 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC91917  Juncus dubius Lowell Ahart; Josephine Guardino 2005-8-10 12311 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS114883  Juncus effusus subsp. pacificus Lowell Ahart 2008-8-13 15159 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  SEINET6328797  Juncus effusus subsp. pacificus D. Mathews, J. Jaggers, A. Kowal, S. Batuik 2011-8-31 NV 030 -645 Plumas Grizzly Creek Ranch, near pond 1506 Comment
  JEPS115335  Juncus ensifolius Lowell Ahart, John Dittes 2009-9-7 16400 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS66997  Juncus ensifolius W. L. Jepson 1939-8-14 19420 Plumas Willow Creek 1828 Comment
  UCD141517  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas about 1 mile south of La Porte. 1463 Comment
  CAS-BOT-BC110110  Juncus hemiendytus var. abjectus Barbara Ertter; Jeffrey L. Strachan 1980-7-31 3891 Plumas East side Clover Valley on Beckwourth-Milford Road, Plumas National Forest. 1676 Comment
  UC1495735  Juncus hemiendytus var. hemiendytus Barbara Ertter and Jeffrey L. Strachan 1980-7-31 3884 Plumas w end Dixie Valley (just e of Beckwourth-Milford Rd); Plumas National Forest, Dixie Valley 1706 Comment
  CHSC100031  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  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
  JEPS114821  Juncus laccatus Lowell Ahart 2008-8-14 15217 Plumas Scattered along drainages in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin ridge road, about 5 miles (air) northwest of La Porte 1725 Comment
  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
  CHSC97468  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
  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
  RSA59683  Juncus macrandrus E. K. Balls 1950-9-9 15757 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  SEINET10472453  Juncus macrandrus Mary Susan Taylor 1982-7-8 Taylor 4798 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  JEPS120162  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-5 18440 Plumas On the east side of the South Fork of the Feather River, about 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  RSA0035331  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-5 18440 Plumas On the east side of the South Fork of the Feather River, about 300 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1882 Comment
  CHSC113140  Juncus occidentalis Lowell Ahart 2013-8-23 19020 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  CHSC65390  Juncus occidentalis Lowell Ahart 1995-9-13 7628 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile northwest of Pilot Peak. 1828 Comment
  JEPS107936  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-20 12450 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  CHSC65858  Juncus orthophyllus L. P. Janeway 1995-10-11 4936 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. Drainage. 1923 Comment
  CHSC73860  Juncus orthophyllus B. Castro; L. P. Janeway 1998-8-29 831 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at E edge of Fowler Lake. 1661 Comment
  UCD108049  Juncus orthophyllus Tim Kuhn 2006-6-21 83 Plumas adjacent to Crocker Guard Station. Comment
  UC1101098  Juncus orthophyllus Malcolm A. Nobs and S. Galen Smith 1949-8-20 1467 Plumas about 13 mi sw Milford (on road between Milford and Beckwourth) Comment
  UCSB63770  Juncus oxymeris Janeway, L. 1998-9-10 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog; below Road 25N47 (Sweetwater Marsh); 0.3 mi south of Road 417; T25N, R9E, SE 1/4 of SE1/4 of sec. 20; Crescent Mills quad 1164 Comment
  CHSC94997  Juncus tenuis Lowell Ahart 2006-10-23 13491 A Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC117005  Juniperus grandis Lowell Ahart 2016-6-4 21062 Plumas Top and southeast part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC85335  Juniperus occidentalis H. E. Brown 1897-8-1 503 Plumas Near Lassen Buttes 1828 Comment
  RSA641463  Juniperus occidentalis var. australis Michael A. Vincent 1999-6-8 8560 Plumas Along FS 28N03H about 0.25-0.5 mile south of FS Rt 3. Comment
  RSA293308  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-5 3783 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  CAS-BOT-BC246158  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
  CAS-BOT-BC246162  Keckiella lemmonii Clarence R. Quick 1934-7-4 1349 Plumas Headwaters of Clear Creek, Plumas National Forest 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
  SFV17479  Keckiella lemmonii P. Wilson 1998-7-18 3536 Plumas Sierra Nevada Highway 89 between Indian Falls and Crescent Mills. 1100 Comment
  CDA11938  Kelloggia galioides G. F. Hrusa, J. Dinsdale 1989-6-27 7203 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CDA19326  Kelloggia galioides G. D. Barbe 1982-6-17 3830 a Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 0 Comment
  JEPS104116  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  JEPS12463  Kelloggia galioides W. L. Jepson 1939-8-16 19452 Plumas Bucks Valley 1584 Comment
  CHSC70227  Kyhosia bolanderi B. Castro; R. Fallscheer 1989-8-7 353 Plumas Ca 2.5 air mi S of Bucks Lake, W of USFS Rd 23N18. ca 0.4 mi SW jcn Rds 23N18, 23N15 and 23N69, on south flank of Red Mtn. 1752 Comment
  CAS-BOT-BC340350  Kyhosia bolanderi Lowell Ahart 1987-10-16 5915 Plumas Near Buckhorn Creek, about 4 miles south-west of Bucks Lake 1676 Comment
  JEPS7375  Kyhosia bolanderi W. L. Jepson 1929-7-29 19283 Plumas between Fales Hill and Chaparral Hill; Spanish Creek headwaters 1584 Comment
  CAS-BOT-BC341570  Lagophylla ramosissima John Thomas Howell 1955-7-19 30745 Plumas Beckwourth 1493 Comment
  JEPS104631  Lagophylla ramosissima Lowell Ahart 2003-8-8 10480 Plumas On the w side of Beckwourth Calpine Rd, ca 50 yd n of the Western Pacific Railroad, ca 1/2 mi (air) sw of Beckwourth, Sierra Valley. 1478 Comment
  SBBG34030  Lagophylla ramosissima L. S. Rose 1969-6-24 Plumas Butterfly Valley, 3 mi W of Keddie 1158 Comment
  UC54060  Lagophylla ramosissima H. M. Hall and E. B. Babcock 1903-7-1 4431 Plumas Indian Valley Sierra Nevada Mountains 1097 Comment
  SBBG119867  Lagophylla ramosissima L. Ahart, J. Dittes 2003-8-8 10480 Plumas W side of Beckwourth Calpine Rd, ca. 50 yds N of Western Pacific Railroad, ca. 0.5 air mi SW of Beckwourth; Sierra Valley; T23N R14E S26 SW/4 1478 Comment
  HSC14211  Lamium amplexicaule R. P. Maynard, Jr. 1963-5-4 38 Plumas 7 mi. S of Lake Almanor on Hwy. 89 Comment
  RSA715612  Lasthenia glabrata subsp. glabrata L. Ahart, John Dittes 2005-6-1 11843 Plumas On both sides of Hwy 70, E of the Plumas County Airport, about 3 miles E of Beckwourth. 1413 Comment
  CHSC53198  Lathyrus brownii L. P. Janeway 1989-6-29 3421 Plumas Plumas National Forest. Just above rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  JEPS125973  Lathyrus jepsonii var. californicus D. W. Taylor 2001-6-20 17806 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  SEINET10451848  Lathyrus lanszwertii subsp. aridus Mary Susan Taylor 1982-6-2 Taylor 4596 Plumas 5700 ft. T23N R12E nw sec 17. Johnsville quad. E side of 23N11, ca. 2 air mi e of Cromberg, just n of Cogswell Ravine. 1737 Comment
  SEINET10776288  Lathyrus latifolius D. G. Kelch 2006-6-20 Kelch 06 .257 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. 610 Comment
  CAS-BOT-BC205072  Lathyrus sulphureus M. S. Taylor 1982-6-2 4599 Plumas Along 23N11, on loop through Cogswell Ravine, 3.2 mi ne of Jackson Creek Campground, ca. 5 air mi n of Mohawk 1737 Comment
  UC1069723  Layia glandulosa E. Sawyer 1935-6-6 75 Plumas 4 3/4 mi sse of Sugarloaf; Sierraville Quadrangle Comment
  SD7724  Ledum glandulosum Mrs. R. M. Austin 1870-1 Plumas Butterfly Valley Comment
  UC571054  Ledum glandulosum H. L. Mason 1924-6-19 1075 Plumas along margins of Bear Lakes Bear Lakes Comment
  CHSC36933  Lemna minor M. S. Taylor 1982-9-7 5106 Plumas Ramelli Ranch, on s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  UC1101260  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas near Chester Comment
  UC1028652  Lemna turionifera Robert J. Weatherby 1950-7-21 1474 Plumas e of Quincy 1036 Comment
  CAS-BOT-BC60093  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC60096  Lepidium virginicum var. menziesii Alice Eastwood 1927-6-11 11450 Plumas United States Forest Reserve. Crescent Mills. Comment
  CDA18473  Lepidium virginicum var. pubescens G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3219 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
  CHSC65657  Leptosiphon ciliatus L. P. Janeway 1995-7-23 4865 Plumas Hartman Bar Ridge; south-facing slope of Franklin Hill. 1731 Comment
  RSA122099  Leptosiphon harknessii E. Sawyer 1935-6-27 209 Plumas Charlies Valley. 1524 Comment
  RSA59605  Leucophysalis nana Verne Grant, Alva Grant 1950-7-12 8938 Plumas Near Red Mt Fire Lookout, S of Diamond, Mt Plumas National Forest, S of Susanville. 2134 Comment
  CAS-BOT-BC59613  Leucothoe davisiae Lewis S. Rose 1932-9-7 32641 Plumas Bear Lakes. 1981 Comment
  JEPS7065  Lewisia cantelovii Rimo Bacigalupi with Richard Hauke and Georgie Bacigalupi 1954-7-15 4728 Plumas granite cliff above Feather River Highway 1 mi upstream Tobin 762 Comment
  CAS-BOT-BC444179  Lewisia nevadensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54102 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CDA18759  Lewisia triphylla G. D. Barbe, T. C Fuller 1982-7-16 3757 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
  CHSC91614  Lewisia triphylla G. Douglas Barbe; T. C. Fuller 1982-7-16 3757 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC444560  Lewisia triphylla George W. Gillett 1957-7-18 811 Plumas Lassen Volcanic National Park. On northeast side of Boiling Springs Lake. 1813 Comment
  CAS-BOT-BC274529  Leymus triticoides F. H. Surber 1972-8-1 s.n. Plumas Approximately 2 miles east of Portola (community of Delleker) Comment
  UC1137639  Leymus triticoides R. W. Saarni 1939-7-9 156 Plumas e Dixie Mt.; Sierraville Quadrangle, Last Chance Valley 1706 Comment
  JEPS28607  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 1767 Comment
  SEINET4690758  Lilaea scilloides W. Harnach, N. Harnach 2000-8-2 964 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC509330  Lilium kelleyanum Alice Eastwood 1930-6-1 14565 Plumas United States Forest Reserve, Forest Lodge, Greenville Comment
  UC608832  Lilium pardalinum Beryl O. Schreiber 1938-7-9 2524 Plumas 1 mi s Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC130784  Lilium pardalinum Mrs. H. M. Mitchell 1932-7-1 s.n. Plumas Bucks Lake Comment
  UCD139749  Lilium pardalinum F. C. Raney 1963-6-17 s.n. Plumas 20 miles north Feather Falls, Fall River tributary of Feather River. Comment
  CDA14678  Lilium pardalinum subsp. shastense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3122 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CHSC40654  Limosella acaulis Lowell Ahart 1985-9-26 5172 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
  CHSC81627  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) northeast of Quincy. 1522 Comment
  CDA19243  Linanthus harknessii G. D. Barbe, T. C. Fuller 1982-6-17 3820 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET14406770  Linanthus pungens M. J. Williams 1966-7-11 s.n. Plumas Luther Ridge, above Johnsville. 2255 Comment
  UCD118707  Linanthus pungens Jack Major 1966-6-23 s.n. Plumas Beckwourth Pass. 1560 Comment
  CAS-BOT-BC416397  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas In vicinity of Cascade Comment
  JEPS12684  Linnaea borealis var. longiflora Helen-Mar Wheeler Plumas Cascade; southwestern Plumas County Comment
  CHSC21797  Lithocarpus densiflorus F. T. Griggs 1975-8-1 409 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC21301  Lithocarpus densiflorus var. echinoides F. T. Griggs; A. Pass 1975-7-8 124 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC62358  Lithocarpus densiflorus var. echinoides B. Castro; R. Fallscherr, R. Zebell 1989-8-21 406 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Huner's Ravine. 1584 Comment
  CHSC89313  Lithophragma glabrum G. Douglas Barbe; T. C. Fuller 1982-7-16 3777 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC443341  Lithophragma parviflorum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC2460  Lithophragma tenellum R. Carter 1965-6-21 255 Plumas Found ca. 7 mi. W of Bucks Lake on Oroville- Quincy Rd. at Frenchman's Hill, on S side of road ca. 10' SSW of Frenchman's Hill sign. 1737 Comment
  CHSC33918  Lomatium macrocarpum J. D. Jokerst; R. A. Schlising 1981-8-2 1452 Plumas Along Pacific Crest Trail ca 1.0 mi NE of Humboldt Peak. 2011 Comment
  SEINET7880163 Image available Lomatium nevadense E. Sawyer 1935-1 67 Plumas 7 3/4 miles NNE of Sattley Sec. 36 T.22N. R. 14E. Comment
  SD7631  Lomatium nudicaule Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  UC173182  Lomatium nudicaule Mrs. Austin 1882-7-24 131 Plumas Big Meadows Comment
  RSA59278  Lomatium nudicaule E. K. Balls 1950-9-4 15572 Plumas Feather River Experiment Station, Highway 24, 4 miles north of Quincy 1067 Comment
  RSA97323  Lomatium nudicaule F. W. Peirson 1926-6-21 6789 Plumas Lake Almanor Comment
  SEINET11121407  Lomatium piperi W. Harnach, N. Harnach 1990-3-31 253 Plumas Sierra Valley. Approx 1.5 miles N of the Sierra/Plumas Co. line on Co. Rd. A-23 1509 Comment
  UCD40291  Lonicera Rodney Gale Myatt 1971-6-13 756 a Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  UCD137348  Lonicera interrupta Tracy I. Storer 1932-7-24 s.n. Plumas 16 miles south of Cassel. 1341 Comment
  JEPS13662  Lonicera involucrata var. involucrata H. M. Wheeler 1944-8-24 642 Plumas Cascade, bridge across creek, on Anderson trail after road ends in loop, below Toni's Cascade Creek Comment
  CAS-BOT-BC200956  Lotus Rimo Bacigalupi 1927-7-7 1640 Plumas Between Gray Eagle Valley and Long Lake Comment
  CDA34142  Lotus corniculatus L. Ahart, J. Dittes 2009-7-14 16077 Plumas on the east side if Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6.5 miles (air) south of Lake Almanor Reservoir Dam. Comment
  UCD169925  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas On the eastside of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of lake Almanor Reservoir Dam. In the seed trade, known as Upright Bird's-foot Trefoil. 1607 Comment
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  SEINET6655549  Lotus nevadensis Duane Isely, Isabelle Isely 1971-7-13 11398 Plumas Spring Garden.; 0 1216 Comment
  UC485774  Lotus oblongifolius var. oblongifolius H. E. and S. T. Parks Jun 1928 239 Plumas Drakesbad Lassen National Park Comment
  SEINET13711122  Lotus purshianus Lowell William Ahart, Lowell William Ahart 2001-1 9261 Plumas Little Last Chance Creek, on Strand of Frenchman Lake (T24N, R16E, S 8, SE 1/4) 5580 Ft. 1701 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
  POM253372  Lotus unifoliolatus A. A. Heller 1938-7-2 L- 5243 Plumas Feather River Highway near Grays Flat. 869 Comment
  CHSC81391  Ludwigia palustris Lowell Ahart 2001-9-18 9275 Plumas On the wet strand of the south end of the pond, Butterfly Valley, about 5 miles (air) northwest of Quicy. 1104 Comment
  RSA666088  Lunaria annua Rudolf Schmid 2002-4-12 2002 -2 Plumas Belden (Hwy 70). 718 Comment
  JEPS85670  Lupinus John Thomas Howell 1926-7-30 2154 Plumas Prattville 1310 Comment
  UC727203  Lupinus A. A. Heller 1942-6-5 16505 Plumas along State Highway #89 s Greenville; s of Greenville Comment
  SEINET10416298  Lupinus albicaulis Unknown 1973-6-5 421 Plumas Plumas County Comment
  UC1542848  Lupinus albicaulis P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas 5 mi n of jct of Hwy 70 and 89 roadside of Hwy 89 1066 Comment
  POM147063  Lupinus albicaulis subsp. wolfianus Alice Eastwood 1927-6-18 14699 Plumas Near Greenville. United States Forest Reserve. Comment
  SEINET10544040  Lupinus albicaulis subsp. wolfianus J. C. Downey 1964-6-28 Downey 11 B Plumas Crescent mill. Host lupine a glabrous 1082 Comment
  SEINET5766881 Image available Lupinus albicaulis var. shastensis A. A. Heller, P. B. Kennedy 1907-1 8739 Plumas Red Clover valley Comment
  CHSC88838  Lupinus albifrons L. Hanson 1985-5-24 263 Plumas Plumas National Forest. Near Massack Rest Stop, Hwy. 70. 1066 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  CHSC52422  Lupinus apertus L. P. Janeway 1990-7-12 3793 C Plumas Plumas National Forest. Saddle along Eureka Ridge ca. 1.0 mi south of the head of Bear Cr. 2118 Comment
  RSA29125  Lupinus apertus J. T. Howell 1951-6-27 27606 Plumas Jamison Creek. 1890 Comment
  UC619262  Lupinus arbustus J. and H. W. Grinnell 1938-6-11 1097 Plumas Mohawk 1371 Comment
  CAS-BOT-BC208796  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  SEINET8080372  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  SFV11546  Lupinus bicolor M. L. Vincent 1968-6-10 868 Plumas Sierra Nevada Feather River Highway 70 at mouth of Chambers Creek, North Fork Feather River. 610 Comment
  CAS-BOT-BC196669  Lupinus breweri var. breweri J. G. Lemmon 1887-9-1 s.n. Plumas Above Sierra Valley Comment
  SEINET10870977  Lupinus confertus Robert F. Thorne, C. W. Tilforth 1969-9-6 Thorne 39226 Plumas Just S of Beckwourth and S of the Feather river on Co. Hwy A24. 1356 Comment
  CAS-BOT-BC215354  Lupinus dalesiae M. S. Taylor 1982-5-25 4527 Plumas 1 mile NE of Sloat, 2.6 miles W of Cromberg, W side of 509A, ca. 50 feet S of itsjct with Highway 70 1310 Comment
  CAS-BOT-BC215362  Lupinus dalesiae M. S. Taylor 1982-5-26 4533 Plumas Both side of Fell Creek Road (23N22), 4.0 miles W of Lee Summit, ca. 2 air miles NW of Sloat 1341 Comment
  CAS-BOT-BC215420  Lupinus dalesiae J. Ed. McClellan; Bonnie McClellan 1968-6-18 s.n. Plumas Silver Lake Road, Meadow Valley 1706 Comment
  CHSC35902  Lupinus dalesiae M. S. Taylor 1982-5-26 4539 Plumas W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd (23N22), ca. 4 air mi sw of Spring Garden. 1249 Comment
  CHSC35912  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mi w of its jct with Bell Bar Creek Rd (23N50Y), ca. 2 air mi sw of Sloat. 1493 Comment
  CHSC36197  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas S side of Poplar Creek Rd (23N08), 0.1 mi E of bridge, ca. 1 mi S of Sloat. 1280 Comment
  CHSC37524  Lupinus dalesiae M. S. Taylor 1982-8-23 5040 Plumas On s side of Virgilia-Meadow Valley Rd (25N17), 0.3 and 1.0 mi w of its jct with Hambly Ravine turnoff (25N20), ca. 1/2 air mi s of Virgilia. 1158 Comment
  CHSC76132  Lupinus dalesiae G. F. Hrusa 1997-5-30 13826 Plumas Sierra Nevada. At edge of powerlines. On E side of Rattlesnake Creek, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  CHSC98936  Lupinus dalesiae Samantha Mackey Hillaire; Eliza Shepard 2007-7-11 1242 Plumas And NE1/4 of NE1/4 of sec 34. Road along east side of Butt Reservoir. Mapped in five places along roadcut. 1280 Comment
  UC170943  Lupinus dalesiae H. M. Hall 1912-7-12 9313 Plumas e slope Mt. Elwell; Sierra Nevada Mountains, e slope Mt. Elwell 2133 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
  SEINET10452054  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4814 Plumas T22N R11E sw/sw sec 4 & ne/se sec 5. Blue Nose Mt quad. Along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadows Rd, ca. 6 air mi w of Mohawk. Mixed Conif Forest; 6800 ft. 2072 Comment
  SEINET10937076  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23n r10e ne1/4sw1/4 sec 13. Blue nose mt quad. Corolla yellow. On cobbly Roadbank, s side of peoria creek rd (23n10), 0.2 mi. Ne of oliver creek, ca 5 Mi. Sw of sloat. With hydrophyllum occidentale, elymuys glaucus. 1615 Comment
  UCSB16017  Lupinus formosus Breedlove, Dennis 1962-6-12 Plumas On northern bank of Indian Creek; along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  SEINET10483998  Lupinus grayi Mary Susan Taylor 1981-5-10 Taylor 3662 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  SEINET10490349  Lupinus grayi Mary Susan Taylor 1981-5-10 Taylor 3662 Plumas N side of Genesee Valley Rd, ca 4 mi W of Genesee. 1097 Comment
  CHSC80831  Lupinus lepidus var. confertus Lowell Ahart; Vernon H. Oswald 2001-7-11 8886 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  UC83103  Lupinus lepidus var. confertus D. Cleveland 1882-7-21 135 Plumas Prattville; Prattville, Garden Enclosure Comment
  UC85078  Lupinus lepidus var. confertus Mrs. Austin 1882-7-25 Plumas Big Meadows Comment
  CHSC35930  Lupinus lepidus var. lobbii M. S. Taylor 1982-6-23 4720 Plumas Flat ridge running n off 23N43Y at loop in road, 1.5 mi w of its jct Peoria Creek Rd (23N10), ca. 6 air mi sw of Sloat. 1402 Comment
  JEPS103585  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
  UC1129517  Lupinus lepidus var. sellulus E. Sawyer 1935-6-21 132 Plumas 4 1/2 mi nne Crow; Plumas National Forest, Sierraville Quad. Comment
  CHSC92281  Lupinus onustus John Dittes; Josephine Guardino 2005-6-4 1145 Plumas Northern High Sierra Nevada Range; Drainage of East Branch Lights Creek; ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak; south-facing slope ca. 850' north of confluence of East Branch Lights Creek and Morton Creek, ca. 1,232' northeast of junction of FS Road 28N03 and County Road 213. 1373 Comment
  UC1583954  Lupinus onustus G. Schoolcraft 1990-5-9 2028 Plumas about 1 mi w Crescent Mills 1463 Comment
  UC1586416  Lupinus onustus Vernon H. Oswald and Lowell Ahart 1991-6-18 4688 Plumas ca 4.5 mi (air) n Greenville (Forest Rd. 28N38, 4.9 mi ene of its jct w/County Rd 201 (Old Haun Rd.), 0.4 mi nw of its jct w/Forest Rd. 28N68 at Greenville Saddle) 1609 Comment
  CHSC56852  Lupinus polyphyllus var. burkei L. P. Janeway 1991-8-4 4126 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
  CHSC97310  Lupinus polyphyllus var. burkei Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14476 Plumas About 30 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
  UC333410  Lupinus polyphyllus var. burkei unknown 1889-6-4 Plumas Mohawk Valley Comment
  CAS-BOT-BC436674  Luzula comosa var. laxa John Thomas Howell 1960-7-20 35739 Plumas Lassen Volcanic National Park: Boiling Springs Lake to Drakesbad 1828 Comment
  CHSC82466  Luzula comosa var. laxa Lowell Ahart 2002-6-26 9783 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
  CAS-BOT-BC436678  Luzula comosa var. laxa Lowell Ahart 1982-7-30 3736 Plumas 2 miles N of Ohio Ravine, about 3 miles N of the Hardquartz Mine, about 4 miles S of Bucks Lake 1700 Comment
  CAS-BOT-BC441253  Luzula macrantha John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2087 Plumas Butterfly Botanical Area and vicinity: area near spring 1127 Comment
  CAS-BOT-BC441254  Luzula macrantha John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2425 Plumas Butterfly Botanical Area and vicinity: area adjacent to the mouth of Butterfly Creek 883 Comment
  SD149161  Lycopus americanus John Thomas Howell 1961-9-23 36851 Plumas Indian Valley, Sierra Nevada. 1082 Comment
  CHSC94661  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CAS-BOT-BC342584  Madia W. Harnach; N. Harnach 1990-6-19 399 Plumas Sierra Valley. Genesse Rd. 1584 Comment
  CAS-BOT-BC343789  Madia elegans Mrs. H. C. Cantelow 1949-6-11 6 Plumas Lake Almanor Comment
  CHSC41276  Madia exigua J. D. Jokerst 1984-5-13 2002 Plumas Canyon of Indian Cr. on slopes N of creek and S of the Indian Creek Road. In Eastside forest. 1249 Comment
  CAS-BOT-BC344467  Madia exigua David D. Keck 1932-7-3 1619 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  JEPS12518  Madia exigua George Gillett 1955-8-2 460 Plumas near bottom of trail coming down from Bench Lake (floor of Hot Springs Valley); Lassen Volcanic National Park, Hot Springs Valley 1828 Comment
  JEPS114382  Madia glomerata Lowell Ahart 2008-9-10 15382 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  SJSU13905  Madia glomerata N. A. Hopkins 1985-8-30 1327 Plumas Marble Hot Springs Rd near Marble Hot Springs, Sierra Valley 1524 Comment
  SEINET10474806  Madia glomerata Mary Susan Taylor 1982-8-30 Taylor 5080 Plumas T27N R11E se/nw sec 27. Kettle Rock quad. ALong 27N57, Kettle Pass, just w of Eisenheimer Peak, ca. 7 air mi ne of Taylorsville. Bare open ridge; 7000 ft. 2133 Comment
  CAS-BOT-BC343250  Madia gracilis John Thomas Howell 1926-7-26 2122 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC343279  Madia gracilis John Thomas Howell 1961-6-21 36601 Plumas Greenville 1097 Comment
  JEPS40376  Madia gracilis W. L. Jepson 1939-8-7 19345 Plumas Meadow Valley Comment
  UC1069886  Madia gracilis E. Sawyer 1935-6-27 178 Plumas 3.7 mi n Hawks; Plumas National Forest, Sierraville Quadrangle Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  SEINET11601444 Image available Madia gracilis J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54252 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy 1798 Comment
  CAS-BOT-BC512877  Maianthemum stellatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1515 Plumas North end of Pond Reservoir 1097 Comment
  CHSC118781  Malacothrix floccifera Chelsea Morgan; Wendy L. Boes 2015-7-15 2015 -010 Plumas Plumas National Forest. On ridge north of Silva Ravine, west of Forest Service road 26N25 (UTM 650958 E, 4438088N, NAD83 Zone10N). 1400 Comment
  JEPS29184  Malacothrix floccifera Lauramay T. Dempster 1961-6-15 1457 Plumas s of Graeagle; Graeagle Estates 1524 Comment
  SEINET10475282  Malacothrix floccifera Mary Susan Taylor 1982-6-14 Taylor 4674 Plumas T25N R9E nw sec 4. Greenville SW quad. On ridge w of and above Indian Falls in 1981 burn area. 4300 ft. 1310 Comment
  SEINET10475285  Malacothrix floccifera Mary Susan Taylor 1981-7-27 Taylor 4141 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
  SD149160  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m west of metal bridge. 1524 Comment
  CAS-BOT-BC71084  Marsilea vestita John Thomas Howell 1926-7-30 2159 Plumas Prattville 1371 Comment
  UC1586018  Marsilea vestita subsp. vestita Barbara Ertter 1988-10-21 8008 Plumas ca. 1.5 mi e of Chester ( Lake Almanor, e end of causeway, on Hwy. 36, n of road) 1341 Comment
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Aug 31 2012
  CAS-BOT-BC348176  Matricaria discoidea David D. Keck 1932-7-3 1684 Plumas Quincy, in the Northern Sierra Nevada 1065 Comment
  SEINET10474308  Matricaria matricarioides Mary Susan Taylor 1981-5-11 Taylor 3683 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CHSC102604  Melica aristata L. P. Janeway; B. Castro 2009-7-18 9861 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
  UC641649  Melica aristata G. L. Stebbins Jr. 1939-7-6 2909 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 Comment
  SEINET10893681  Melica aristata Mary Susan Taylor 1982-7-7 Taylor 4784 Plumas T23N R11E S26 SW1/4 NW1/4. Johnsville Quad. N side of 23N36 just E of its jct. with 23N35, S slope of Big Hill, ca. 3 air miles S of Sloat. Mixed Evergreen forest. With Eriogonum nudum. 1615 Comment
  CAS-BOT-BC271801  Melica bulbosa John Thomas Howell; Gordon H. True; G. D. Barbe 1981-6-24 54269 Plumas Mt. Hough, Sierra Nevada 2203 Comment
  SEINET8755673 Image available Melica californica Stanley Gessel 1940-1 20 Plumas 3/4 mile East Smith Store Meadow Valley Comment
  CAS-BOT-BC282099  Melica fugax Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. 0.25 mile SE of Boiling Springs Lake 1859 Comment
  CHSC87990  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11154 Plumas On the north side of a forest road, small meadow, 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
  CHSC91604  Melica fugax G. Douglas Barbe; T. C. Fuller 1982-7-16 3766 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC281296  Melica harfordii John Thomas Howell 1969-6-23 45799 Plumas Lewisia Rock, Feather RIver Canyon 609 Comment
  SEINET10599618  Melica stricta Lawrence P. Janeway 1989-6-22 Janeway 3377 Plumas Crocker Mtn. quad T24N, R14E, NE1/4 of sec. 32, Easterly flank of Crocker Mtn above Crocker Mdw. 1890 Comment
  CHSC103124  Melica subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  CHSC66628  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8035 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road. 1371 Comment
  RSA104164  Mentzelia dispersa R. M. Austin 1879-07 s.n. Plumas Butterfly Valley. Comment
  UC336441  Mentzelia laevicaulis var. laevicaulis unknown Plumas Indian Valley Comment
  RSA106774  Mentzelia montana L. S. Rose 1955-7-19 55146 Plumas Portola. 1479 Comment
  CAS-BOT-BC170848  Mentzelia veatchiana W. Harnach; N. Harnach 1990-6-16 384 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CHSC43754  Micranthes aprica Vernon Oswald 1984-6-25 1324 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CAS-BOT-BC428605  Micranthes bryophora Emily McPherson 1975-8-31 779 Plumas Ridge above Round Lake toward Mt. Elwell; Lakes Basin. 1981 Comment
  CHSC2453  Micranthes odontoloma R. Carter 1965-7-11 284 Plumas Green Island L., on E shore of lake where stream empties into lake, in meadow beside stream. 1828 Comment
  CAS-BOT-BC429238  Micranthes oregana E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  POM34990  Microseris nutans Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  POM34991  Microseris nutans Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  SD8804  Microseris nutans Daniel Cleveland 1882-7-21 Plumas Big Meadows Comment
  CAS-BOT-BC349350  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Sierra Nevada Mountains. Engelmine-Diamond Peak Road 1828 Comment
  JEPS29185  Microseris nutans Lauramay T. Dempster 1961-6-16 1463 Plumas n Engelmine (on road to Susanville) 2194 Comment
  JEPS28611  Mimulus breweri George W. Gillett 1957-7-17 791 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  POM273253  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UC511309  Mimulus guttatus Lyman Benson 1932-7-29 3982 Plumas Buck Lake Sierra Nevada, Feather River Watershed 2133 Comment
  OBI30573  Mimulus guttatus Bernie Smith 1966-7-5 174 Plumas Middle fork of South Branch of Feather River. Near spring draining into river Comment
  JEPS20829  Mimulus nanus var. mephiticus S. Galen Smith 1958-7-25 Plumas near Rich Bar (along Feather River Highway (Alt. US 40), 2.2 mi e of bridge over North Fork of the Feather River and junction of road to Caribou) 777 Comment
  UC567144  Mimulus primuloides E. Sawyer 1935-6-27 186 Plumas 1.6 mi ne Grizzly Peak; Sierraville Quadrangle 1767 Comment
  UCR137171  Mimulus primuloides Larry E. DeBuhr, G. D. Wallace 1972-5-21 591 Plumas Butterfly Valley, Plumas National Forest, at pond resevoir in Butterfly Valley about 1 mile SW of Keddie 1037 Comment
  UC615324  Mimulus primuloides Beryl O. Schreiber 1932-7-19 458 Plumas road to Prattville 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
  JEPS122309  Mimulus torreyi Lowell Ahart 2014-8-31 19815 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC433057  Mitella pentandra John Thomas Howell 1960-7-23 35966 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC170975  Mitella trifida H. M. Hall 1912-7-13 9357 Plumas Nelson Creek Sierra Nevada Mountains 1737 Comment
  CHSC113857  Mollugo verticillata Lowell Ahart 2014-9-9 19850 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
  JEPS63417  Monardella follettii W. I. Follett 1937-6-25 97 Plumas 1.2 mi w Meadow Valley 1127 Comment
  UCSC008312  Monardella follettii Brett Smith 2011-7-25 BAS 007 Plumas 350m S of intersection of FS roads 25N57, 25N59, and 25N17. Between mainly small streams that start Bean Creek. 1561 Comment
  UCSC008319  Monardella follettii Brett Smith 2012-7-27 BAS 014 Plumas 65m W of unnamed stream, 110 m NE of big bend in FS road that cuts W through Cottonwood Meadow 1341 Comment
  SEINET10582325  Monardella follettii A. Graff 1993-7-22 Graff 309 Plumas Plumas National Forest. Meadow Valley Rd. south, on southeast-facing road shoulder. T25N,R8E,S29. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582327  Monardella follettii A. Graff 1993-7-22 Graff 312 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  SEINET10582328  Monardella follettii A. Graff 1993-7-22 Graff 313 Plumas Plumas National Forest. Meadow Valley Rd. south, .4 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S20. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582336  Monardella follettii A. Graff 1993-7-23 Graff 335 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
  CHSC21202  Monardella odoratissima F. T. Griggs; A. Pass 1975-7-17 207 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC314153  Monardella odoratissima Alice Eastwood 1927-6-17 14676 Plumas United States Forest Reserve, Plumas County. Long Valley. Comment
  UCR280844  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  UC634862  Monardella odoratissima subsp. glauca H. L. Mason 1924-6-16 1043 Plumas near Graeagle (s banks of river); Feather River Comment
  UCR280845  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas ridge and northeast side of Table Mountain, c. 2 air miles northwest of Tamarack Flat, c. 4 air miles northwest of Little Grass Valley Reservoir Dam 1858 Comment
  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
  CHSC52055  Monardella sheltonii L. P. Janeway 1989-7-7 3470 Plumas Plumas National Forest. Hwy 70/89 at the bridge over Spanish Cr. 952 Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  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
  SEINET10829413  Monardella sheltonii A. Graff 1993-7-22 Graff 301 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. Comment
  CHSC67990  Monardella stebbinsii James D. Jokerst 1989-7-3 3120 Plumas Caribou Rd. 3.8 mi N of Hwy. 70, W of road. Comment
  SEINET10582266  Monardella stebbinsii A. Graff 1993-7-22 Graff 329 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  SEINET12334042  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3459 Plumas Johnsville quad T23N R12E NW? of sec20, Above Jackson Cr. and Middle Fk Feather River, 2.3 mi from * 1646 Comment
  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
  CAS-BOT-BC444860  Montia fontana John Thomas Howell 1960-7-18 35522 Plumas Lassen Volcanic National Park. Drakesbad 1828 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
  JEPS113827  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-BC445099  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  CAS-BOT-BC445191  Montia parvifolia Lewis S. Rose 1963-6-2 63077 Plumas Rock Creek. North Fork of Feather River 640 Comment
  CHSC77077  Muhlenbergia filiformis L. P. Janeway 1996-8-20 5074 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  JEPS102768  Muhlenbergia filiformis Lowell Ahart 2001-8-28 9190 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-BC275220  Muhlenbergia minutissima Mrs. H. C. Cantelow 1951-7-26 15 Plumas Lake Almanor Meadow, W side of lake Comment
  CAS-BOT-BC275032  Muhlenbergia richardsonis L. W. Swift 1934-7-13 98 Plumas Murdock Crossing, Plumas Forest 1737 Comment
  RSA252411  Muhlenbergia richardsonis R. F. Thorne 1969-9-6 39245 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  SEINET10596523  Muhlenbergia richardsonis Lawrence P. Janeway 1989-6-28 Janeway 3411 Plumas Portola quad T23N, R14E, SW1/4 of sec. 3, SW-facing slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. Open, historically disturbed area yellow pine forest. Small low spot that collects rainwater, among Artemisia, Purshia shrubs. 1722 Comment
  CHSC55675  Myosotis discolor K. R. Stern 1985-6-25 8278 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC80167  Myosotis discolor L. P. Janeway 1996-6-5 5000 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  UCR47603  Myosotis discolor David D. Keck 1932-7-4 1670 Plumas Northern Sierra Nevada Mtns., Quincy, along road to Lake Almanor 1067 Comment
  RSA77578  Myosotis discolor D. D. Keck 1932-7-3 1670 Plumas Quincy, in the northern Sierra Nevada, along the road to Lake Almanor. 1067 Comment
  CDA40605  Myosotis laxa T. C. Fuller 1970-9-3 19796 Plumas North side of main road, eastern limits of Quincy. 0 Comment
  RSA32879  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. 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
  POM312423  Myosurus aristatus H. L. Mason 1953-6-16 14554 Plumas 2 miles E of Beckwourth Comment
  CAS-BOT-BC83340  Myosurus minimus A. A. Heller; P. B. Kennedy 1907-7-2 8681 Plumas Between Vinton and Beckwith. Comment
  CAS-BOT-BC83341  Myosurus minimus Herbert L. Mason 1952-7-17 14381 Plumas Sierra Valley. Along Western Pacific tracks just south of Beckwourth. 1524 Comment
  CHSC34896  Myriophyllum sibiricum M. S. Taylor 1981-9-2 4265 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  SD130500  Myriophyllum sibiricum Fred Sommers 1976-8-10 200 Plumas Sierra Valley Marsh, from ditch along Dyson Lane. 1524 Comment
  CHSC56547  Nama lobbii L. P. Janeway 1984-7-15 923 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  JEPS3095  Nama lobbii Mrs. Emanuel Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  SD46637  Nama lobbii Robert J. Weatherby 1955-7-21 1656 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  CHSC102018  Narthecium californicum L. P. Janeway; B. Castro 2009-8-29 9931 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  RSA286311  Narthecium californicum Robert F. Thorne 1974-7-30 44996 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  SD230125  Narthecium californicum Louis C. Wheeler 1970-9-10 7576 Plumas Butterfly Valley. Comment
  CAS-BOT-BC60331  Nasturtium officinale Walter Knight; Irja Knight 1966-6-18 1324 Plumas Sierra Nevada. Butterfly Valley. 1097 Comment
  SEINET10448298  Nasturtium officinale Mary Susan Taylor 1982-5-23 Taylor 4509 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CHSC97194  Navarretia 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
  UC907847  Navarretia capillaris Herbert L. Mason 1924-6-18 1064 Plumas 1 mi from Gold Lake; 1 mi from Gold Lake Comment
  CHSC44332  Navarretia divaricata Lowell Ahart 1974-7-30 561 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  SD7412  Navarretia intertexta Daniel Cleveland 1882-7-20 Plumas Prattville Comment
  CHSC53590  Navarretia intertexta subsp. propinqua L. P. Janeway 1989-7-25 3518 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. Edge of channel in middle of meadow. 1737 Comment
  JEPS124032  Navarretia intertexta subsp. propinqua Lowell Ahart 2015-7-4 20279 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
  RSA59758  Navarretia intertexta subsp. propinqua E. K. Balls 1950-9-14 15806 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CDA13945  Navarretia leptalea G. F. Hrusa 1997-6-26 13883 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
  CHSC10802  Navarretia leptalea Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  POM75730  Navarretia leptalea Marcus E. Jones 1897-7-5 10178 Plumas Prattville. 1372 Comment
  CHSC53206  Navarretia leptalea subsp. bicolor L. P. Janeway 1989-6-13 3304 Plumas Plumas National Forest. Forest along the south edge of Red Clover Valley. 1699 Comment
  CHSC87818  Nemacladus capillaris Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11013 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1357 Comment
  CHSC97513  Nemacladus capillaris Lowell Ahart; John Dittes 2007-6-16 14132 Plumas On the bottom of a small drainage on the south side 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
  SEINET10464804  Nemacladus capillaris Austin AUSTIN s.n. Plumas American Valley Comment
  JEPS113459  Nemophila parviflora var. austiniae Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13998 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
  UC52234  Nemophila parviflora var. austiniae H. M. Hall and E. B. Babcock 1903-7-4 4421 Plumas near Prattville (North Fork Feather River); , near Prattville 1341 Comment
  UC335443  Nemophila pedunculata J. G. Lemmon June 1889 Plumas Mohawk Valley Comment
  JEPS63429  Nepeta cataria W. L. Jepson 1939-8-16 19444 Plumas near Quincy (Greenhorn Creek); Greenhorn Creek 1036 Comment
  CHSC2472  Nuphar lutea subsp. polysepala R. Carter 1965-7-6 261 Plumas Found .25 mi. S of intersection of Oroville-Quincy Rd. and U.S.F.S. road 24N33, on S side of Oroville-Quincy Rd. ca. 50 yds. from road in pond in small meadow. 1767 Comment
  RSA0013787  Nuphar lutea subsp. polysepala R. Weatherby 1950-7-28 1497 Plumas Snake Lake, near Quincy. 1220 Comment
  UC175927  Nuphar lutea subsp. polysepala H. M. Hall 1912-6-30 9304 Plumas Sierra Nevada Mountains, Snake Lake Valley Snake Lake Valley; Sierra Nevada Mountains, Snake Lake Valley 1219 Comment
  SD46529  Nuphar polysepala Robert J. Weatherby 1950-7-28 1497 Plumas Snake Lake near Quincy. 1219 Comment
  CAS-BOT-BC400106  Nuphar polysepala H. L. Mason 1924-6-20 1089 Plumas Near Graeagle Lodge Comment
  SD103798  Oenothera tanacetifolia Darley Howe 1978-7-16 Plumas Along highway 49, 5 miles north of Loyalton. Comment
  SEINET8655803 Image available Onopordum acanthium subsp. acanthium W. Harnach 2015-8-6 1439 Plumas 4.85 miles west of Vinton on Hwy 70. 1494 Comment
  CHSC102014  Oreostemma alpigenum var. andersonii L. P. Janeway; B. Castro 2009-8-29 9935 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  JEPS31964  Oreostemma alpigenum var. andersonii W. L. Jepson 1939-7-29 19284 Plumas between Fales Hill and Chaparral Hill; Spanish Creek headwaters 1584 Comment
  CAS-BOT-BC327726  Oreostemma elatum Walter Knight; Irja Knight 1966-9-12 1730 Plumas Butterfly Botanical Area and Vicinity. Pond reservoir. 1097 Comment
  HSC92456  Orobanche californica subsp. jepsonii L. Ahart 1974-8-3 589 Plumas On S slope E of the Tramway Mine Mill, W of Blue Nose Mtn., ca. 1 mi. NE of the Bunker Hill Mine, ca. 12 mi. NE of La Porte. 1677 Comment
  CAS-BOT-BC500133  Orobanche fasciculata Alice Eastwood 1927-6-15 14588 Plumas US Forest Reserve, near Long Valley Comment
  CAS-BOT-BC500134  Orobanche fasciculata C. R. Quick 1951-6-7 51 -97 Plumas Ridge NE of Humbug Valley Comment
  CDA42027  Orobanche vallicola F. H. Surber 1974-10-2 s.n. Plumas South of Chilcoot. 0 Comment
  CHSC87870  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote. 1765 Comment
  RSA641471  Orthocarpus cuspidatus subsp. cuspidatus Michael A. Vincent 1999-6-8 8550 Plumas Plumas Nat'l Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40. Comment
  RSA88416  Orthocarpus hispidus J. T. Howell 1951-6-27 27592 Plumas McRae Meadow. 1982 Comment
  RSA523832  Orthocarpus hispidus Gordon H. True Jr. 1938-7-14 961 Plumas At summit of Milford Grade. 1768 Comment
  JEPS87597  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3/4 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  RSA52866  Osmorhiza berteroi R. Weatherby 1950-7-7 1450 Plumas Gansner Creek, Quincy. 1220 Comment
  RSA59403  Osmorhiza berteroi E. K. Balls 1950-9-8 15723 Plumas Lakes Center Public Campground. 2043 Comment
  JEPS102588  Osmorhiza chilensis Lowell Ahart 2001-7-17 8913 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS95637  Osmorhiza occidentalis Lowell Ahart 1994-7-22 7491 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  JEPS114188  Packera cana L. P. Janeway 2007-8-13 9184 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. Comment
  CAS-BOT-BC316900  Packera eurycephala var. lewisrosei John Thomas Howell; Gordon H. True 1967-6-13 42589 Plumas East branch of North Fork of Feather River, 4 miles from Rich Bar on road to Virgilia 822 Comment
  CAS-BOT-BC317172  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1968-6-11 2392 Plumas In wet area on east side of Butterfly Valley Comment
  CHSC33744  Paeonia brownii M. S. Taylor 1981-7-13 3996 A Plumas Ca. 100 yds n of 25N43, ca. 0.5 mi w of 25N11 at n tip of Frenchman Lake, ca. 13 air mi n of Chilcoot. 1737 Comment
  RSA122687  Paeonia brownii E. Sawyer 1935-5-23 32 Plumas 1.5 miles southeast of Kerby 1524 Comment
  UCD150435  Paeonia brownii T. Stone 1966-4-21 s.n. Plumas Mountain Meadows. Comment
  SBBG21938  Panicum acuminatum D. Myrick 1964-7-19 870 Plumas Boiling Lake, Drakesbad 1828 Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89950  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89951  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CHSC34313  Panicum capillare L. Ahart 1981-9-6 3078 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
  UC1101585  Panicum capillare Malcolm A. Nobs, S. Galen Smith 1949-8-19 1412 Plumas about 2 mi s Greenville; Indian Valley Comment
  JEPS124139  Parnassia palustris Lowell Ahart, John Deurloo 2015-8-25 20524 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  SJSU13870  Parnassia palustris N. A. Hopkins 1985-8-27 1323 Plumas Grass Lake 1786 Comment
  CHSC21107  Pectiantia breweri F. T. Griggs; A. Pass 1975-7-1 11 Plumas East of Grizzly Creek. Comment
  RSA59150  Pedicularis attollens E. K. Balls 1950-8-1 15609 Plumas East of Long Lake, in meadow sloping to two smaller lakes. 2134 Comment
  RSA0091375  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [Possibly Trinity County.] [No locality data on label.] Comment
  CHSC108120  Pedicularis racemosa Lowell Ahart 2011-9-17 17666 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS3405  Pedicularis racemosa W. L. Jepson 1939-8-16 19449 Plumas Buck's Valley 1584 Comment
  HSC22947  Pedicularis semibarbata John Pratt 1970-6-29 50 Plumas 5 mi. E of Humboldt summit Comment
  UC366572  Pellaea unknown Jul. 1883 Plumas Indian Valley Comment
  CHSC59125  Pellaea brachyptera Vernon H. Oswald 1992-8-10 5154 Plumas Slope on the uphill side of Warner Valley Rd. at the Ranger Station, ca. 1.5 mi E of Drakesbad, Lassen Volcanic National Park. 1706 Comment
  UC1874920  Pellaea brachyptera Ruth Kirkpatrick 2002-7-18 1137 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  UC366578  Pellaea brachyptera unknown Aug. 1883 Plumas Sho'fly Rd Indian Valley; n California, Indian Valley Comment
  POM22839  Pellaea mucronata D. L. Crawford 1916-3-12 s.n. Plumas Fern Canyon. Comment
  SEINET10547977  Penstemon deustus Mary Susan Taylor 1981-5-10 Taylor 3667 Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  UC1017704  Penstemon deustus var. deustus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1738 Plumas gravelly slide below Humboldt Summit; Sierra Nevada, below Humboldt Summit Comment
  NY591827  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-11 25812 Plumas Route 24, west of Mohawk R. S. 1463.0 Comment
  CDA14661  Penstemon deustus var. suffrutescens G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CDA14722  Penstemon gracilentus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3244 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC35269  Penstemon gracilentus M. S. Taylor 1981-7-21 4094 Plumas Between 25N18A and Squirrel Cr, ca. 1/2 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 1981 Comment
  SEINET10547991  Penstemon gracilentus Mary Susan Taylor 1981-7-21 Taylor 4094 Plumas T25N R11E nw sec 31, Spring Garden quad, in dry Red Fir Forest, between 25N18 and Squirrel Creek, ca. 0.5 mi SE of Taylor Rock, ca. 7 air mi N of Spring Garden. 6500 ft elev. 1981 Comment
  CHSC21655  Penstemon neotericus D. Brink; L. Mayer 1975-7-18 Plumas Hilltop ca. 1/4 mile w. of sect. 25-26 jct. s. edge of sect. 26. Buck's Lake Forest Service Survey. Comment
  POM44795  Penstemon neotericus Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC696741  Penstemon neotericus David D. Keck 1932-7-6 1719 Plumas 12 mi w Chester; Sierra Nevada, w of Chester 1584 Comment
  CAS-BOT-BC239288  Penstemon newberryi var. berryi Anna Head 1920-7-20 s.n. Plumas Mt. Elwell, Feather River Region 2377 Comment
  UC485780  Penstemon newberryi var. newberryi H. E. and S. T. Parks June, 1928 230 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  UC565598  Penstemon newberryi var. newberryi Herbert L. Mason 1924-6-18 1065 Plumas road between Graeagle and Gold Lake; road between Graeagle and Gold Lake Comment
  HSC73116  Penstemon personatus M. S. Taylor, M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 0.25 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls 1585 Comment
  RSA236429  Penstemon personatus G. L. Clifton 1971-8-5 523 Plumas Big Creek 1616 Comment
  CHSC62140  Penstemon roezlii L. P. Janeway 1993-7-15 4441 Plumas Plumas National Forest. Flat on top of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Feather River). 1569 Comment
  RSA401759B  Penstemon roezlii Dorothy Davis 1923-08 s.n. Plumas Mt. Eureka 1524 Comment
  CAS-BOT-BC239584  Penstemon rydbergii var. oreocharis Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Natl. Park Comment
  CAS-BOT-BC239588  Penstemon rydbergii var. oreocharis Lowell Ahart 1980-7-27 2492 Plumas About 3 miles south of Bucks Lake 2000 Comment
  CAS-BOT-BC239600  Penstemon rydbergii var. oreocharis John Thomas Howell 1951-6-28 27642 Plumas Johnsville 1584 Comment
  CAS-BOT-BC239610  Penstemon rydbergii var. oreocharis John Thomas Howell 1960-7-19 35625 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  CHSC68884  Penstemon rydbergii var. oreocharis Vernon Oswald; Lowell Ahart 1997-6-24 8628 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  UC565592  Penstemon rydbergii var. oreocharis Herbert L. Mason 1924-6-16 1039 Plumas near Blairsden; Feather River - near Blairsden Comment
  CHSC63180  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas On the north side of the Pacific Crest Trail, about 1 mile west of Pilot Peak, about 1/4 mile east of Quincy La Porte Road. 1950 Comment
  JEPS15337  Penstemon speciosus F. W. Embree 1934-6-6 81 Plumas ne dam Bucks Lake (Plumas National Forest); , Bidwell Bar Quad. Comment
  UC1561222  Penstemon speciosus Barbara Ertter with Gary Schoolcraft 1989-7-3 8644 Plumas ca. 8 air mi s Susanville (s side of Red Rock lookout); s side of Red Rock lookout 2255 Comment
  CHSC97624  Perideridia bolanderi subsp. bolanderi Lowell Ahart; John Dittes 2007-6-16 14146 Plumas On dry gravelly soil, on a low rocky open hill, west of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  RSA0039542  Perideridia lemmonii Lowell A. Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CHSC21812  Perideridia parishii subsp. latifolia F. T. Griggs; A. Pass 1975-7-30 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC413558  Persicaria amphibia Mrs. A. L. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC413562  Persicaria amphibia John Thomas Howell 1976-7-15 s.n. Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CHSC117785  Persicaria amphibia B. Castro; Jim Wilcox and other members of Plumas CRM 2007-6-26 1654 Plumas Northern High Sierra Nevada. Plumas National Forest. Ferris Flat, on Ferris Creek flood plain ca 0.25 mi SW with Last Chance Creek. Ca 7 air mi SE of Milford, 5 mi SW of Hwy 395 and 12 mi NW of Doyle. 1761 Comment
  SD7877  Persicaria amphibia Mrs. R. M. Austin 1881-1 Plumas Big Meadows Comment
  CAS-BOT-BC413732  Persicaria hydropiper John Thomas Howell 1951-8-19 28164 Plumas Near Belden 670 Comment
  UCD120739  Phacelia Alan A. Beetle 1941-6-28 2778 Plumas West side of Lake Almanor. Comment
  CDA13406  Phacelia hastata subsp. hastata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13255 Plumas Sierra Nevada; Near headwaters of Bull Run Creek off USFS 23N12E. Comment
  CDA13578  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1997-6-26 13885 Plumas Sierra Nevada; Plumas NF. W side of Little Long Valley Creek approx. 1/4 m. W of Creek. N of Hwy 70 about 15 m. E of Quincy. Comment
  JEPS105988  Phacelia heterophylla subsp. virgata Lowell Ahart, Josephine Guardino 2004-5-24 10951 Plumas Near an old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1208 Comment
  RSA170277  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Rich Gulch 1174 Comment
  CHSC118706  Phacelia heterophylla var. virgata Wendy L. Boes; Jim Battagin 2015-5-12 2015001 F Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  RSA38636  Phacelia humilis var. humilis P. A. Munz 1947-5-16 11830 Plumas Eight miles north of Chilcoot. 1524 Comment
  RSA636043  Phacelia humilis var. humilis Michael A. Vincent 1999-6-7 8522 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  UC1228232  Phacelia mutabilis H. E. and S. T. Parks June 1928 254 Plumas Drakesbad Lassen Volcanic National Park 1828 Comment
  UC614676  Phacelia mutabilis L. Constance 1938-6-10 2313 Plumas Prattville Lake Almanor (w edge of lake) 1219 Comment
  CHSC76057  Phacelia procera G. F. Hrusa; T. D. Wilfred 1996-7-9 13193 Plumas Grizzly Campground, S of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  CHSC73783  Phacelia racemosa B. Castro 1997-6-9 728 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  CHSC81191  Phalaris arundinacea Lowell Ahart 2001-8-28 9191 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  RSA0046807  Philadelphus lewisii L. S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 915 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-BC260856  Phleum pratense Walter Knight; Irja Knight 1966-6-18 1377 Plumas Butterfly Valley 1127 Comment
  JEPS115907  Phleum pratense Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16115 Plumas North of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  RSA29582  Phleum pratense Joseph A. Ewan 1934-7-19 8246 Plumas in barnyard of valley floor Dentens, Mohawk Valley 1616 Comment
  UCR66513  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  SEINET4889145  Phleum pratense M. Foster 1988-7-15 188 Plumas Grizzly Valley Quad, inside U.S.F.S. cattle exclosure, on north side of Big Grizzly Creek, 0.25 miles south of Walker Mine Road, 1 mile west of Lake Davis, 12 miles north by northwest of Portola 1768 Comment
  CHSC1302  Phlox diffusa J. Gulick 1929-5-15 Plumas Near Chester. 1524 Comment
  UC1124173  Phlox diffusa E. Sawyer 1935-6-17 119 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  RSA95431  Phlox diffusa subsp. diffusa J. T. Howell 1951-6-28 27708 Plumas Eureka Peak. 2195 Comment
  UC1778611  Phlox gracilis G. Douglas Barbe, T. C. Fuller 1982-7-16 3764 B Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 miles south of Green Flat, Plumas National Forest. 1981 Comment
  JEPS28626  Phlox gracilis George W. Gillett 1957-7-18 814 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  SEINET956367  Phlox speciosa W. I. Follett 1938-1 116 Plumas In Twp. Rich Gulch. 1250 Comment
  CHSC80244  Phlox speciosa subsp. occidentalis L. P. Janeway 1996-6-5 4988 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  CDA40278  Phlox speciosa subsp. occidentalis G. D. Barbe 1982-6-9 3663 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. 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
  RSA114693  Phlox speciosa subsp. occidentalis E. K. Balls, Lee W. Lenz 1955-5-14 20711 Plumas 3.1 miles N of Greenville on road to Lake Almanor Hwy 89. 1159 Comment
  RSA39890  Phlox speciosa subsp. occidentalis P. A. Munz 1947-5-16 11832 Plumas 8 miles north of Chilcoot. 1524 Comment
  CDA14728  Phoenicaulis cheiranthoides G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3254 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  UC1504529  Phoenicaulis cheiranthoides Reed C. Rollins and Kathryn W. Rollins 1981-5-30 81169 Plumas 11 mi s of Susanville (Diamond Mountains); Diamond Mountains Comment
  CHSC35266  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas On top of hill, n and ne side on w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  JEPS95467  Phoradendron libocedri Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC58834  Phyllodoce breweri C. C., Mrs. Bruce 1898-1-1 1229 Plumas Near Cinder Cone Comment
  CAS-BOT-BC58840  Phyllodoce breweri Anna Head 1920-7-15 s.n. Plumas Feather River Region - Peak above Round Lake 2286 Comment
  CAS-BOT-BC58841  Phyllodoce breweri Anna Head 1921-7-20 s.n. Plumas Feather River Region - road to Round Lake Comment
  CAS-BOT-BC78208  Pinus albicaulis E. K. Balls 1950-9-2 15653 Plumas slightly below Mt. Ingalls Lookout on south slope, north of Grizzly Valley; Lodgepole Pine Forest 2484 Comment
  UC1362003  Pinus jeffreyi R. A. Cockrell 1940-7-31 8552 Plumas ca 1 mi ne Silver Lake; Meadow Valley 1615 Comment
  SEINET10530759  Pinus jeffreyi Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5191 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  MACF019587  Pinus lambertiana Trudy R. Ericson 1975-9-18 399 Plumas Taylor Lake, Plumas National Forest 2163 Comment
  NY62290  Pinus ponderosa E. I. Applegate 1929-6-22 5882 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
  UC1362013  Pinus ponderosa Emanuel Fritz 1939-6-12 8527 Plumas Site II; in swale near top of ridge 1645 Comment
  HSC1545  Pinus sabiniana W. R. Rogers 1965-8-20 297 Plumas Bulk Collection # 37 Comment
  CHSC102120  Piperia transversa Lowell Ahart; John Dittes 2009-7-27 16173 Plumas On dry soil, on a steep slope, about 30 yards southeast of a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CAS-BOT-BC254390  Piptatherum miliaceum John Thomas Howell 1976-7-14 51820 Plumas Feather River Canyon Highway at Injun Jim Campground 609 Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  SEINET10497598  Plagiobothrys cognatus Mary Susan Taylor 1982-7-8 Taylor 4799 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CHSC40765  Plagiobothrys cusickii Lowell Ahart 1985-7-3 5102 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/2 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC230972  Plagiobothrys hispidulus Lowell Ahart 1985-9-26 5175 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CHSC101865  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15900 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC117628  Plagiobothrys hispidulus Lowell Ahart 2016-8-30 21330 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS28629  Plagiobothrys hispidulus George W. Gillett 1957-7-18 818 Plumas bank of inlet from Little Willow Lake to Willow Lake; Lassen Volcanic National Park 1661 Comment
  SJSU14315  Plagiobothrys hispidulus N. A. Hopkins 1989-6-7 1517 Plumas Squaw Valley 1706 Comment
  CHSC37829  Plagiobothrys mollis R. A. Schlising 1980-7-26 3923 Plumas Along Hwy 70, 1.7 mi e of jct Hwy A24 (= 1.9 mi e of jct road to Davis Lake); in roadside ditches. Comment
  SEINET10935846  Plagiobothrys mollis Mary Susan Taylor 1982-7-8 Taylor 4802 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  RSA201338  Plagiobothrys scouleri var. hispidulus J. T. Howell 1960-7-19 35613 Plumas Drakesbad 1677 Comment
  SBBG21828  Platanthera dilatata var. leucostachys D. Myrick 1964-7-21 899 Plumas Drakesbad 1737 Comment
  CHSC101942  Platanthera leucostachys Lowell Ahart; John Dittes 2009-7-13 16049 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
  CDA35622  Platanthera leucostachys J. R. Keck Jr. 1978-6-3 PDR# 330062 & PDR# 330063 Plumas Snake Lake near Quincy. 0 Comment
  CHSC46542  Platanthera sparsiflora Lowell Ahart 1976-6-18 1142 Plumas Along Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  UC1371041  Platanthera sparsiflora Theodore F. Niehaus 1965-6-23 589 Plumas immediately e Buck Summit (Quincy road, meadow above road); Bucks Lake Comment
  SD6561  Plectritis congesta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  UC175328  Plectritis macrocera A. A. Heller 1913-6-13 10848 Plumas near Marston Station 1066 Comment
  SEINET780331  Plectritis macrocera subsp. grayi Walter Knight, Irja Knight, John Thomas Howell, Gordon true 1967-6-12 1992 Plumas Valley proper, near barn 1082 Comment
  CHSC62451  Pleuricospora fimbriolata L. P. Janeway 1993-8-14 4526 Plumas Plumas National Forest. West-facing slope above Road 24N29Y; ca 0.4 mi northwest of Haskins Creek, ca 1.5 mi east-southeast of Bucks Lake. 1719 Comment
  UCD32545  Poa Beecher Crampton 1954-5-11 1876 Plumas Plumas - Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  SEINET10506955  Poa Mary Susan Taylor 1981-5-14 Taylor 3722 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  CHSC76159  Poa bolanderi G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3072 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC80916  Poa bolanderi Lowell Ahart 2001-7-17 8897 Plumas On the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC227204  Poa bulbosa R. K. Brummitt 1998-5-17 19879 Plumas Rte. 89 near Indian Falls, 2 km from Rte. 70 junction 1000 Comment
  CDA2378  Poa bulbosa L. P. Janeway 1996-5-13 4969 Plumas Northern High Sierra Nevada; Soda Creek, along Road 25N22, 0.3 mile northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. Comment
  CHSC60513  Poa bulbosa L. P. Janeway 1992-5-22 4194 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. 1487 Comment
  UCD105402  Poa bulbosa subsp. bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  SEINET10893570  Poa nevadensis John Thomas Howell 1962-6-18 Howell 37757 Plumas Sierra Valley near Beckwourth. Culm-ligule ca. 4 mm. 1487 Comment
  CAS-BOT-BC247270  Poa palustris John Thomas Howell; Gordon H. True 1967-7-9 43255 Plumas North Fork of Feather River 4.3 miles southwest of Caribou 792 Comment
  CAS-BOT-BC247280  Poa palustris Lowell Ahart 1981-9-6 3064 Plumas About 6 miles N of Taylorsville 1300 Comment
  CHSC34318  Poa palustris L. Ahart 1981-9-6 3064 Plumas Along the edge of Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  CHSC51516  Poa palustris L. P. Janeway 1990-8-16 3832 Plumas Plumas National Forest. Along edges of Meadow Cr (dry) ca half-way between Red Clover Cr and Mt Ingalls. 2042 Comment
  CHSC56901  Poa palustris L. P. Janeway 1991-8-4 4120 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
  JEPS107738  Poa palustris Lowell Ahart, John Dittes 2005-9-19 12371 Plumas On the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  JEPS76242  Poa palustris W. L. Jepson 1939-8-16 19437 Plumas Portola Portola Comment
  CAS-BOT-BC247382  Poa pratensis Lewis S. Rose 1954-5-30 54078 A Plumas Beckwourth 1524 Comment
  CHSC30631  Poa pratensis J. D. Jokerst 1979-6-23 267 Plumas First meadow s of Meadow Valley Cr and e of Forest Service Rd to Deanes Valley (s of road between Quincy and Bucks Lake). Comment
  SEINET264684 Image available Poa pratensis S. Scott sn Plumas Plumas National Forest ; Sierra Nevada Range eastern side Milford Ranger District Ingalls area 1768 Comment
  UCD91947  Poa pratensis Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  SEINET10926435  Poa pratensis Lewis S. Rose 1954-5-30 Rose 54078 A Plumas Sierra Nevada, Beckwourth. Desert slopes. 1524 Comment
  CDA2372  Poa pratensis subsp. pratensis L. Ahart, J. Dittes, Robert A. Schlising, J Guardino 2004-7-3 11165 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  SEINET10822312  Poa scabrella A. Arthur Heller 1907-7-3 Heller 8711 Plumas Hills above Red Clover Valley. Comment
  CHSC52972  Poa secunda L. P. Janeway 1989-6-16 3331 Plumas Plumas National Forest. NE slopes of Crocker Mtn facing Red Clover Valley. 1828 Comment
  CAS-BOT-BC236279  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  CAS-BOT-BC242960  Poa secunda subsp. secunda L. W. Swift No date on label 75 Plumas Squaw Valley 1767 Comment
  CHSC53182  Poa secunda subsp. secunda L. P. Janeway 1989-6-14 3312 Plumas Plumas National Forest. Along s'ly side of Red Clover Valley. 1685 Comment
  CHSC57467  Poa secunda subsp. secunda L. P. Janeway; Garrett Gibson 1991-6-24 4059 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  JEPS107620  Poa secunda subsp. secunda Lowell Ahart, Josephine Guardino 2005-8-9 12299 Plumas On a steep slope, between the east edge of the meadow and west of the forest, about 50 yards southeast of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UCD91588  Poa wheeleri August L. Hormay 1932-6-9 s.n. Plumas Plumas County Plots. Comment
  CHSC20756  Polygonum aviculare K. R. Stern 1975-7-24 5874 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC53692  Polygonum aviculare L. P. Janeway 1989-7-19 3498 Plumas 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. In center of dirt road. Beckwourth Ranger District Plumas National Forest. 1676 Comment
  JEPS122302  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 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
  UC85159  Polygonum bistortoides Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC414545  Polygonum douglasii Clare B. Hardham 1978-8-11 21777 b Plumas About 5 miles se. of Thompson Peak Comment
  CAS-BOT-BC414547  Polygonum douglasii Anna Head 1921-8-10 s.n. Plumas Lake Center Camp, Feather River Region 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
  CHSC53209  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-6-14 3305 Plumas Plumas National Forest Beckwourth Ranger District. Forest along S'ly side of Red Clover Valley. 1699 Comment
  CHSC60132  Polygonum douglasii subsp. douglasii L. P. Janeway 1992-7-10 4256 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. 2072 Comment
  CHSC80862  Polygonum douglasii subsp. douglasii Lowell Ahart 2001-7-17 8917 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CHSC83605  Polygonum douglasii subsp. douglasii John Dittes 2002-7-17 2 -25 Plumas Northern High Sierra Nevada; Plumas National Forest, Hartman Bar Ridge, ca. 7 air miles west of Little Grass Valley Reservoir, ca. 4 air miles north of Cascade. East of FS Road 22N05, ca. 0.4 mile north of FS Road 22N94. At edge of meadow. 1584 Comment
  CHSC92182  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes 2005-9-19 12403 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  UC1562676  Polygonum douglasii subsp. douglasii Barbara Ertter 1988-7-25 7847 Plumas 1/2 mi n Diamond Mt-Greenville-Red Rock jct (ca 12 air mi ssw of Susanville); Diamond Mts., Snoring Springs 1981 Comment
  JEPS110522  Polygonum persicaria Lowell Ahart 2006-10-23 13496 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 1281 Comment
  UC1136173  Polygonum polygaloides subsp. confertiflorum E. Sawyer 1935-6-27 161 Plumas Charlies Valley Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC420042  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1954-5-30 54060 Plumas Johnsville 1600 Comment
  CHSC45475  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1981-7-21 2975 Plumas Along the edge of the dirt road, along Gleghorn Bar Road, about 1 1/2 miles west of Quincy La Porte Road, about 2 miles west of Pilot Peak. 1767 Comment
  JEPS103405  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-2 9822 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  CAS-BOT-BC420212  Polygonum sawatchense subsp. sawatchense Clare B. Hardham 1970-8-9 17716 Y Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC421037  Polygonum spergulariiforme John Thomas Howell 1959-9-24 34963 Plumas Sierra Valley near Beckwourth 1478 Comment
  CAS-BOT-BC421035  Polygonum spergulariiforme John Thomas Howell 1974-9-20 50906 Plumas Chilcoot. 1554 Comment
  CAS-BOT-BC72022  Polypodium calirhiza John Thomas Howell 1967-6-23 42731 Plumas Lewisia Rock 3.5 miles SW. of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC233247  Polypogon maritimus Greg Sommers 1976-7-20 169 Plumas Sierra Valley Marsh, on flats away from channel crossed by metal bridge 1524 Comment
  CAS-BOT-BC237272  Polypogon monspeliensis M. S. Taylor 1982-8-27 5072 Plumas Ramelli Ranch, where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth 1487 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
  CAS-BOT-BC237461  Polypogon viridis John Thomas Howell 1959-9-26 35069 Plumas Near Soda Spring, Feather River Canyon 682 Comment
  CAS-BOT-BC72359  Polystichum imbricans subsp. imbricans John Thomas Howell 1959-9-26 35041 Plumas Slaty Rocks near Keddie 1005 Comment
  UC123291  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin Aug, 1876 309 Plumas Mill Creek 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
  CAS-BOT-BC76690  Polystichum munitum Emily K. Mcpherson 1976-11-7 76- 32 -1 Plumas Sierra Nevada - 5 miles north of Beckworuth. Portola Quad. 2055 Comment
  CAS-BOT-BC76691  Polystichum munitum Gladys L. Smith 1976-5-18 s.n. Plumas Along Feather River between Belden & Storrie. Comment
  CHSC21802  Populus tremuloides F. T. Griggs; A. Pass 1975-8-1 414 Plumas Bucks Lake Forest Service Survey. Comment
  POM312995  Potamogeton foliosus Malcolm A. Nobs, S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  UCD20196  Potamogeton pusillus R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  JEPS123945  Potamogeton richardsonii Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20426 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  SEINET10483933  Potentilla Mary Susan Taylor 1981-7-6 Taylor 3976 Plumas T24N R15E nw/ne sec 15. Dixie Mt quad. Top of Dixie Mt near the Lookout, ca. 5 air mi W of N tip of Frenchman Lake, ca. 13 air mi NW of Chilcoot. Pure volcanic rock outcrop; 8327 ft elev. 2538 Comment
  CHSC27327  Potentilla gracilis T. B. Devine 1978-8-5 466 Plumas Ca 1/4 mi n of Butterfly Valley Botanical Area. 1097 Comment
  CHSC53216  Potentilla gracilis var. fastigiata L. P. Janeway 1989-6-30 3431 Plumas Plumas National Forest. Along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  SD8450  Potentilla gracilis var. fastigiata Daniel Cleveland 1882-7-20 Plumas Prattville Comment
  CAS-BOT-BC540079  Potentilla gracilis var. fastigiata Anna Head 1921-7-25 s.n. Plumas Meadow above Long Lake Comment
  CAS-BOT-BC540402  Potentilla gracilis var. fastigiata John Thomas Howell 1966-7-29 42022 Plumas Sierra Nevada, Qunicy 1036 Comment
  CAS-BOT-BC540412  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight 1966-6-18 1337 Plumas Sierra Nevada, Butterfly Valley near overnight camp 1173 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
  UC725796  Potentilla millefolia A. A. Heller 1907-7-3 8691 Plumas Red Clover Valley 1676 Comment
  UC1931362  Potentilla recta Marti Aitken and Ingrid Burke 2009-7-9 Plumas On west side of State Route 89 approximately 0.9 miles north of Crescent Mills across from Stampfli Road. Comment
  CHSC20761  Potentilla rivalis K. R. Stern 1975-7-23 5886 Plumas W shore of Lake Almanor. 1371 Comment
  RSA754541  Potentilla rivalis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CHSC35280  Poteridium annuum M. S. Taylor; M. Foster 1981-6-2 3823 A Plumas N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  JEPS48772  Prunus emarginata John Warren Duffield 1937-5-23 Plumas se of Bucks Lake (Road to Bear Creek Ranger Station, sw Plumas County) Comment
  POM181035  Prunus emarginata A. A. Heller 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UCD113454  Prunus emarginata Carl Wick 1975-9-6 s.n. Plumas east of La Porte. Comment
  CAS-BOT-BC154843  Prunus virginiana var. demissa Lewis S. Rose 1967-6-19 67121 Plumas Butterfly Valley, ca. 3 mi. w. of Keddie 1005 Comment
  CAS-BOT-BC154848  Prunus virginiana var. demissa Alice Eastwood 1918-5-25 7039 Plumas Portola Comment
  RSA189440  Prunus virginiana var. demissa L. S. Rose 1967-6-12 67121 Plumas Butterfly Valley. Ca 3 miles W of Keddie. 1067 Comment
  CAS-BOT-BC357343  Pseudognaphalium microcephalum Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3479 Plumas In Mud Creek Valley, along California State Highway No. 36, 1.3 miles east of Chester 1380 Comment
  CAS-BOT-BC357344  Pseudognaphalium microcephalum M. S. Taylor 1981-9-2 4263 Plumas W side of 26N18, ca. 1 mi s of Onion Flat, ca. 3 mi w of Indian Falls 1463 Comment
  CAS-BOT-BC357348  Pseudognaphalium microcephalum John Thomas Howell 1966-7-26 42000 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CHSC81099  Pseudognaphalium stramineum Lowell Ahart 2001-8-29 9240 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  UC485670  Pseudognaphalium thermale H. M. Hall 1912-8-4 Plumas Marston Sierra Nevada Mountains, Marston Comment
  CAS-BOT-BC361677  Pseudognaphalium thermale John Thomas Howell 1961-9-23 36892 Plumas Englemine [Engel Mine] 1097 Comment
  CHSC21027  Pseudostellaria jamesiana F. T. Griggs; A. Pass 1975-7-10 146 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC34854  Pseudostellaria jamesiana M. S. Taylor 1981-7-22 4098 Plumas E side of 26N21- Grizzly Peak Rd, just s of Argentine Lookout turnoff. 2103 Comment
  CHSC75489  Pseudostellaria jamesiana G. F. Hrusa; T. D. Wilfred 1997-6-26 13928 Plumas Sierra Nevada. Site about Pine Creek at Brady's Camp. Pine Creek Valley, +/- 1/2 mi. NE Argentine Rock. On creek banks. 2125 Comment
  RSA739843  Pseudostellaria sierrae Barbara Ertter, Gary Schoolcraft 1990-5-14 8984 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  CAS-BOT-BC80161  Pseudotsuga menziesii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2421 Plumas in vicinity of confluence of Spanish Creek & Butterfly Creek 883 Comment
  SEINET10866961  Pseudotsuga menziesii Mary Susan Taylor 1974-7-3 Taylor 301 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  CHSC13642  Pseudotsuga menziesii var. menziesii M. S. Taylor 1974-7-3 310 Plumas In vicinity of Fern Glen, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  NY63887  Pseudotsuga menziesii var. menziesii E. Fritz 1936-1-28 8209 Plumas Comment
  PASA2296  Psilocarphus globiferus Margaret Stason 1932-6-22 Plumas CAMP GROUND LAKE ALMANOR Comment
  CHSC115214  Psilocarphus tenellus Lowell Ahart 2015-6-7 20210 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC97471  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2007-6-16 14085 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
  CAS-BOT-BC72608  Pteridium aquilinum John Thomas Howell 1960-7-20 35744 Plumas Boiling Springs Lake 1798 Comment
  CHSC97262  Pterospora andromedea Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14478 Plumas About 120 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
  UC723814  Pterospora andromedea Joseph Andorfer Ewan 1934-7-17 8579 Plumas Bear Lake Mohawk Valley, Mt. Elwell region 1981 Comment
  RSA88405  Pteryxia terebinthina J. T. Howell 1951-6-28 27704 Plumas Eureka Peak. 2195 Comment
  CAS-BOT-BC147880  Purshia tridentata var. tridentata John Thomas Howell 1959-9-24 34926 Plumas Junction of Indian and Spanish creeks 914 Comment
  RSA754534  Pycnanthemum californicum L. Ahart, John Dittes 2009-7-27 16181 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  CAS-BOT-BC462898  Pyrola asarifolia Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC62548  Pyrola asarifolia subsp. asarifolia B. Castro; R. A. Schlising 1987-7-21 160 Plumas Ca 6 mi E of Graeagle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  SEINET10449208  Pyrola californica Mary Susan Taylor 1981-8-20 Taylor 4227 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
  CHSC70250  Pyrola dentata B. Castro; R. Zebell, R. Fallscheer 1989-8-2 349 Plumas Ca 3.5 air mi S of Bucks Lake, 50-100 ft W of USFS Rd 23N58. 1737 Comment
  CHSC66623  Pyrola picta Vernon H. Oswald; Lowell Ahart 1996-7-15 8021 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the shore of the lake. 1371 Comment
  JEPS58820  Pyrola picta W. L. Jepson 1924-7-24 10633 Plumas Rich Point 914 Comment
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  SEINET11262178  Pyrola picta Robert L. Johnson, Mikel R. Stevens 2015-7-11 3954 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
  SEINET10449205  Pyrola picta subsp. dentata Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4011 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  SEINET10449207  Pyrola picta subsp. dentata Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4012 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CAS-BOT-BC328161  Pyrrocoma lucida L. S. Smith 1932-9-19 2726 Plumas Beckwith Meadow, Tahoe National Forest Comment
  RSA252460  Pyrrocoma lucida R. F. Thorne, C. W. Tilforth 1969-9-6 39238 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  UCR89346  Pyrrocoma lucida J. T. Howell 1961-9-25 36957 Plumas Sierra Nevada Mtns., Portola 1479 Comment
  UCD45577  Quercus chrysolepis Leonard H. Day 1948-7-11 s.n. Plumas Elevation 4710 feet; Lava Top (in Butte County) ca. 1 mile south of Cascade, Plumas County, California. 1435 Comment
  SEINET9005360  Quercus chrysolepis Sloan 1949-6-25 21 Plumas Keddie, on highway 24 Comment
  CAS-BOT-BC93984  Quercus durata John Thomas Howell 1951-8-19 28168 Plumas near Rich Bar 792 Comment
  CAS-BOT-BC94264  Quercus garryana John Thomas Howell 1959-9-26 35067 Plumas near Virgilia 838 Comment
  CHSC96745  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8995 Plumas Northern High Sierra Nevada. Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104594  Quercus vacciniifolia Anna Head 1921-7-3 s.n. Plumas Feather River Region 1920 Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC104601  Quercus vacciniifolia Mrs. E. C. Suttiffe 1919-8-1 s.n. Plumas Golden Lake Region Comment
  CAS-BOT-BC104605  Quercus vacciniifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54401 Plumas Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC104607  Quercus vacciniifolia Gladys L. Smith 1976-6-7 4581 Plumas Sierra Nevada. North End of summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  RSA654745  Quercus vacciniifolia J. M. Tucker 1948-7-25 1736 Plumas Summit of 'Lava Cap,' ca. 1 mile south of Cascade. 1436 Comment
  UCD47448  Quercus vacciniifolia John M. Tucker 1948-7-25 1749 Plumas California, Plumas Co.; ca. 3/4 mi. west of United Mining Co. mine on southwest side of Camel Peak; Comment
  UCR106823  Quercus vacciniifolia J. M. Tucker 1948-7-25 1749 Plumas c. 3/4 mi west of United Mining Co. mine on SW side of Carmel Peak 1555 Comment
  UCR245364  Quercus vacciniifolia G. R. Ballmer 2013-9-5 s.n. Plumas Lassen area, near west base of Mt. Harkness 1717 Comment
  CAS-BOT-BC379235  Ranunculus alismifolius var. alismellus Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1423 Plumas Butterfly Botanical Area and vicinity 488 Comment
  SJSU6779  Ranunculus aquatilis var. aquatilis N. A. Hopkins 1971-6-19 408 Plumas by roadside 7 mi S of Beckwourth, Sierra Valley 1524 Comment
  CAS-BOT-BC379249  Ranunculus aquatilis var. diffusus David D. Keck 1932-7-3 1661 Plumas northern Sierra Nevada, Quincy, along Spanish Creek, growing in streamlets through the meadow 488 Comment
  HSC18120  Ranunculus aquatilis var. diffusus W. R. Rogers 1966-7-6 208 Plumas Ramelli Creek 1982 Comment
  JEPS86268  Ranunculus aquatilis var. subrigidus W. L. Jepson 1918-8-17 8027 Plumas Red Clover Valley; in pool of creek 1676 Comment
  UC570227  Ranunculus cymbalaria var. saximontanus E. Sawyer 1935-6-14 105 Plumas 1 mi s Sugarloaf; Sierraville Quadrangle 1524 Comment
  SEINET8696953  Ranunculus flabellaris W. Harnach, N. Harnach 1991-6-17 545 Plumas Sierra Valley, 0.75 mile W of steel bridge on Marble Lane. 1486 Comment
  RSA518189  Ranunculus occidentalis B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 958 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1829 Comment
  UC118339  Ranunculus occidentalis T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  RSA551252  Rhamnus J. T. Howell 1976-7-20 52038 Plumas transition zone forest at S end of Lake Almanor 1372 Comment
  SD10097  Rhamnus alnifolia Mrs. R. M. Austin 1879-1 Plumas Big Spring, Big Meadows Comment
  UCR179428  Rhamnus purshiana W. B. McHenry 1990-1 s.n. Plumas Northern Sierra Nevada Mountains, Bucks Lake 1646 Comment
  SEINET11975902  Rhododendron californicum Unknown 1961-1 253 Plumas Upper Butterfly Valley, 2.5 mi W turn off Hwy 89-US 40 1 Comment
  RSA101418  Rhododendron occidentale var. californicum R. Weatherby 1955-6-16 1531 Plumas Feather River Canyon. Head of Berry Creek, above Virgilia. Comment
  CAS-BOT-BC111878  Rhynchospora alba Walter Knight; Irja Knight 1966-6-18 1340 Plumas Butterfly Valley, near spring. 1127 Comment
  CHSC81938  Rhynchospora capitellata L. P. Janeway 2001-7-5 7416 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  UC1127437  Ribes cereum C. W. Hanks 1934-8-31 65 Plumas hills ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC219230  Ribes nevadense Ella Dales Cantelow 1941-5-18 3521 Plumas At Johnsville, 4.5 miles W of Mohawk Comment
  CHSC20732  Ribes roezlii K. R. Stern 1975-7-23 5899 Plumas W shore of Lake Almanor. 1371 Comment
  HSC101690  Ribes roezlii Dillon North Davis 2013-6-3 11 Plumas 10.6 miles north on Rush Creek Road from intersection with Highway70, ~ 200 m. west of road. 1811 Comment
  RSA0018026  Ribes roezlii Lyman Benson 1932-7-29 3992 Plumas Buck Lake. Sierra Nevada. Feather River watershed. 2134 Comment
  CAS-BOT-BC168778  Ribes viscosissimum Anna Head 1921-7-17 s.n. Plumas Indian Pk. near snow - Feather River Region Comment
  CAS-BOT-BC168783  Ribes viscosissimum Rimo Bacigalupi 1927-6-7 1654 Plumas Upper reaches of trail between Gray Eagle Valley and Long Valley Comment
  CAS-BOT-BC168784  Ribes viscosissimum Rimo Bacigalupi 1923-6-14 s.n. Plumas At base of Mt. Fillmore on road between Gibsonville and Johnsonville, Sierra-Plumas Co. boundary. 1981 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
  UC1127632  Ribes viscosissimum G. Burks 1933-8-8 24 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CAS-BOT-BC363063  Rigiopappus leptocladus John Thomas Howell 1962-6-17 37675 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC363064  Rigiopappus leptocladus John Thomas Howell 1967-6-23 s.n. Plumas Butterfly Valley 1036 Comment
  SEINET10473936  Rigiopappus leptocladus Mary Susan Taylor 1982-6-28 Taylor 4771 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
  SEINET10480669  Rorippa Mary Susan Taylor 1981-5-10 Taylor 3671 Plumas T27N R12E se sec 15, Antelope Lake quad. N side of Antelope Lake, ca. 1/4 mi E of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi NE of Taylorsville. 5040 ft. 1536 Comment
  CAS-BOT-BC74643  Rorippa curvisiliqua Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills. Comment
  CAS-BOT-BC74646  Rorippa curvisiliqua Thomas H. Kearney 1944-8-14 56 Plumas Near Prattville, Lake Almanor. Comment
  CAS-BOT-BC74639  Rorippa curvisiliqua L. P. Janeway 1992-11-4 4322 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Department. 1755 Comment
  CHSC113584  Rorippa curvisiliqua var. orientalis Lowell Ahart 2014-8-24 19751 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC95017  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-23 13476 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC97546  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2007-6-17 14102 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC20778  Rorippa obtusa K. R. Stern 1975-7-23 5837 Plumas W shore Lake Almanor. 1371 Comment
  CAS-BOT-BC148165  Rosa gymnocarpa John Thomas Howell 1959-9-24 34932 Plumas Butterfly Creek near mouth - Sierra Nevada Comment
  CHSC102118  Rosa gymnocarpa Lowell Ahart; John Dittes 2009-7-28 16195 Plumas On dry soil, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC75532  Rosa gymnocarpa G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas Forest land 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  JEPS45671  Rosa gymnocarpa W. L. Jepson 1924-7-22 10605 Plumas Rich Point Middle Fork Feather River 914 Comment
  RSA609440  Rosa gymnocarpa Louis C. Wheeler 1958-7-30 7351 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1128559  Rosa gymnocarpa E. Nourse 1934-9-4 19 Plumas 3/4 mi s and 1 mi w Quincy (Plot 77); Plumas National Forest, Downieville Quadrangle Comment
  SEINET8723616 Image available Rosa gymnocarpa H. S. Reed 1941-1 s.n. Plumas Forest Lodge. Altitude ca. 3400 feet, Plumas County. 1036 Comment
  CHSC87617  Rosa pisocarpa subsp. ahartii Lowell Ahart; Josephine Guardino 2004-5-24 10946 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CHSC9715  Rubus armeniacus Nancy Mosman 1971-7-11 82 Plumas Ca. 10 ft from Feather River along road 0.5 mi s of Belden turnoff and Hwy 70. 1025 Comment
  OBI9993  Rubus leucodermis Lewis S. Rose 1966-7-26 66051 Plumas Butterfly Crk and Spanish Crk. 1 mi S of Keddie 991 Comment
  RSA755813  Rubus leucodermis L. Ahart, John Dittes 2009-7-14 16071 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  CAS-BOT-BC147969  Rubus parviflorus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1591 Plumas Fern Glen - Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC102125  Rubus parviflorus Lowell Ahart; John Dittes 2009-7-27 16169 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  POM319262  Rubus parviflorus Patricia Wilder 1971-6-22 5144 Plumas 4.5 miles W of Quincy on Spanish Creek Rd. On N side of road between road and creek. Cascade Mtn Range. Spanish Creek to North Fork Feather River drainage. 1067 Comment
  RSA795723  Rubus parviflorus L. Ahart, John Dittes 2009-7-27 16169 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  UCD130304  Rubus parviflorus Albert Grigarick 2011-8-15 300 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .8 miles W from Graeagle Trailhead to Hawley Falls. 1785 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
  OBI2945  Rumex acetosella Lewis S. Rose 1968-6-10 68092 Plumas Quincy 1036 Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA232861  Rumex acetosella L. S. Rose 1968-6-10 68092 Plumas Quincy. 1037 Comment
  SEINET10479371  Rumex acetosella Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CDA22910  Rumex maritimus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range; Southwest side of Lake Almanor, below high water line, about 100 meters out; near Highway 89 2.3 km north-northwest of Almanor West Road. Comment
  SEINET4183209  Rumex maritimus var. fueginus M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 70 -4 Plumas East side of Frenchman's Reservoir 1707 Comment
  UC1070520  Rumex paucifolius E. Sawyer 1935-6-6 74 Plumas 3.25 mi s Sugarloaf; Sierraville Quad. 1493 Comment
  CHSC40408  Rumex salicifolius var. triangulivalvis Lowell Ahart 1985-7-11 5121 Plumas On gravel bars, below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC92819  Rumex salicifolius var. triangulivalvis Lowell Ahart; Josephine Guardino 2005-8-9 12297 Plumas In a meadow, along a small drainage that runs into Fant Creek, south of Fant Creek, near the water trough, about 30 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  RSA60212  Rumex salicifolius var. triangulivalvis E. K. Balls 1950-9-6 15687 Plumas Road from Quincy to E Quincy. 1098 Comment
  CHSC82506  Sagina decumbens subsp. occidentalis Lowell Ahart; John Dittes 2002-6-17 9723 Plumas In a meadow, on the north side of the road, about 1/8 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1651 Comment
  JEPS122328  Sagina saginoides Lowell Ahart 2014-9-9 19837 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  RSA60244  Sagina saginoides E. K. Balls 1950-9-2 15639 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  CAS-BOT-BC445747  Sagittaria latifolia Walter Knight; Irja Knight 1966-6-19 1720 Plumas Butterfly Botanical Area and Vicinity Comment
  RSA52875  Sagittaria latifolia R. Weatherby 1950-7-21 1483 Plumas Butterfly Lake near Quincy. 1220 Comment
  SEINET10465398  Sagittaria latifolia Mary Susan Taylor 1982-9-8 Taylor 5123 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC69034  Sagittaria rigida Vernon Oswald 1997-7-22 8768 Plumas North of the causeway on Hwy. 36 at Lake Almanor on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CAS-BOT-BC103620  Salix eastwoodiae Rimo Bacigalupi 1927-7-7 1650 Plumas upper reaches of trail from Gray Eagle Valley to Long Lake Comment
  UC440200  Salix eastwoodiae H. M. Hall 1912-7-8 9312 Plumas Bunker Hill 2133 Comment
  RSA101403  Salix exigua R. Weatherby 1955-8-4 1672 Plumas No Ear Bar. Middle Fork Feather River. 915 Comment
  CHSC41279  Salix gooddingii J. D. Jokerst 1984-5-14 2018 Plumas Ward Creek ca. 1/4 mile above falls. SW of Genesee Valley. 1584 Comment
  CAS-BOT-BC125310  Salix lasiandra var. lasiandra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54388 Plumas 0.3 miles southwest of Bucks Summit on road to Bucks Lake 1645 Comment
  CHSC13664  Salix lasiolepis E. L. Smith 1971-4-28 951 Plumas N city limits in Quincy. 1043 Comment
  JEPS106026  Salix lasiolepis var. lasiolepis Lowell Ahart, Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1158 Comment
  CAS-BOT-BC124796  Salix lemmonii John Thomas Howell 1960-7-20 35724 Plumas Drakesbad 1828 Comment
  CHSC97167  Salix lemmonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14036 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  LA208889  Salix lemmonii Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC125103  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  CAS-BOT-BC125108  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 397 Plumas North Fork of Feather River, at Chester 1350 Comment
  RSA218938  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 397 Plumas N Fork of Feather River, at Chester. 1350 Comment
  CAS-BOT-BC129389  Salix melanopsis A. A. Heller 1913-6-13 10858 a Plumas Near Quincy 1066 Comment
  SBBG29041  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 396 Plumas N Fork of Feather River, at Chester 1350 Comment
  UC482038  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 395 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  UC482044  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 396 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC483080  Salix melanopsis Frank W. Peirson 1932-7-19 10349 Plumas Feather R. near Chester; Feather R. 1463 Comment
  CAS-BOT-BC129093  Salix scouleriana Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas At Johnsville on road to Gibsonville 1615 Comment
  CAS-BOT-BC129094  Salix scouleriana Walter Knight; Irja Knight 1966-9-12 1727 Plumas Beargrass Glade - Butterfly Botanical Area and vicinity. 1127 Comment
  CAS-BOT-BC129098  Salix scouleriana John Thomas Howell 1959-9-26 35048 Plumas Near Keddie - Sierra Nevada 1005 Comment
  CHSC101933  Salix scouleriana Lowell Ahart; John Dittes 2009-7-15 16079 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CAS-BOT-BC176905  Salsola tragus Fred Sommers; Greg Sommers 1976-8-27 236 Plumas Sierra Valley Marsh. Along Dyson Lane 100 m. east of metal bridge 1524 Comment
  RSA59485  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CAS-BOT-BC235029  Sambucus Rimo Bacigalupi 1927-7-8 1658 Plumas Western edge of Long Lake Comment
  UC401137  Sambucus racemosa var. microbotrys unknown Plumas Comment
  SEINET7358854  Sanguisorba annua D. A. McMillan 1913-6-1 L- 3 Plumas Plumas NF; Mt. Hough; 0 1372 Comment
  CHSC52760  Sanicula bipinnatifida var. flava L. P. Janeway 1990-6-4 3692 Plumas Plumas National Forest. Top of ridge between Little Long Valley Creek and McDermott Ravine, just above road 23N12; ca 1.1 mi NE of Hwy 70/89. 1630 Comment
  UCR115320  Sanicula graveolens G. D. Barbe, T. C. Fuller 1982-7-16 3769 Plumas Sierra Nevada Mtns, Plumas National Forest: 1.5 miles west of Wheeler Peak and 1 mi south of Beardsley Mine, on forest road 3.8 miles south of Green Flat 1982 Comment
  SEINET10913648  Sanicula tuberosa Barbara J. Ertter, Gary Schoolcraft 1990-5-14 Ertter 8982 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir, forest of mixed conifer, oak, maple; T26N R9E Sec 23. 1372 Comment
  UC1121105  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/34 miles S S E of Grizzly Peak 1554 Comment
  CHSC24681  Saxifraga californica Keith Lickey 1976-4-17 76 Plumas Hwy 70 at sw entrance of Grizzly Dome Tunnel; at Grizzly Creek. 914 Comment
  CDA11932  Saxifraga oregana G. F. Hrusa, J. Dinsdale 1989-6-27 7207 Plumas Sierra Nevada; NW end of Bucks Lake, . Comment
  UC1609266  Saxifraga oregana Vernon H. Oswald and Lowell Ahart 1993-8-3 5763 Plumas 0.25 mi e of Hay Meadow (on s edge of the Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor, at unnamed lake); Caribou Wilderness 1926 Comment
  UC384663  Saxifraga oregana E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  JEPS83782  Scheuchzeria palustris subsp. americana V. Oswald and L. Ahart 1988-8-4 3672 Plumas just s boundary of Lassen Volcanic National Park (se of Drakesbad, s side of lake); Willow Lake 1676 Comment
  CAS-BOT-BC111273  Schoenoplectus acutus var. occidentalis John Thomas Howell 1960-7-19 35650 Plumas Wet slope near hot springs, Drakesbad, Lassen Volcanic National Park. 1828 Comment
  CAS-BOT-BC111274  Schoenoplectus acutus var. occidentalis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1508 Plumas In quaking bog-like area at water's edge of Pond Reservoir-north shore. 1097 Comment
  CAS-BOT-BC111573  Schoenoplectus americanus Mrs. H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad. Comment
  CAS-BOT-BC111574  Schoenoplectus americanus W. R. Dudley 1909-8-26 s.n. Plumas Near East Hot Springs, Sierra Valley. Comment
  UCD50091  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terraces, Drakesbad, Plumas County. 1737 Comment
  CHSC58531  Schoenoplectus subterminalis Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5036 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). At the W end of the boggy lake. 1926 Comment
  UC1594684  Schoenoplectus subterminalis Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5036 Plumas via Gold Lake Forest Hwy (County Rd. 519) ca 5 mi (air) ssw Graeagle (Grass Lake located just w of Lakes Basin Campground, w end Grass Lake); w end Grass Lake, w of Lakes Basin Campground 1926 Comment
  CAS-BOT-BC110860  Scirpus diffusus John Thomas Howell 1976-7-15 51870 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CHSC54873  Scirpus microcarpus Vernon H. Oswald 1991-9-11 4872 Plumas Lassen Volcanic Park. Road to Drakesbad, ca. 0.5 mi west of the boundary of the park. On the edge of Hot Springs Creek. 1615 Comment
  JEPS100476  Scirpus microcarpus Dean W. Taylor 2000-8-8 17561 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  JEPS63958  Scirpus microcarpus W. L. Jepson 1939-7-30 19285 Plumas between Fales Hill and Chaparral Hill (Spanish Creek Headwaters); Spanish Creek headwaters, between Fales and Chaparral Hills 1584 Comment
  RSA59261  Scirpus microcarpus E. K. Balls 1950-8-31 15553 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  SEINET11749675  Scirpus microcarpus W. Knight, Knight, I. 1983-1 4899 Plumas North Fork of Feather River at confluence of Warner Creek between Chester and Drakesbad Comment
  UCSB19849  Scirpus microcarpus Myrick, Donald 1964-7-19 Plumas At Dream Lake, Drakesbad, Lassen Volcanic National Park 1828 Comment
  JEPS63303  Scutellaria antirrhinoides Hilda W. Grinnell 1934-6-1 Plumas 7 mi sw of Westwood (near Lake Almanore) Comment
  CAS-BOT-BC214247  Scutellaria nana Michael A. Vincent 1999-6-8 8557 Plumas Along FS 26N16 between FS 26N17 and Doyle's Crossing Bridge, Plumas National Forest, Milford Range District 1402 Comment
  CHSC21654  Sedum laxum subsp. laxum D. Brink; L. Mayer 1975-7-6 Plumas Buck's Lake Forest Service Survey. Comment
  NY388004  Sedum plumasanum P. C. Hutchison 1961-6-14 2122 Plumas Canyon of the North Fork of the Feather River along highway US. On serpentine cliffs above Rich Bar. 40 Comment
  CAS-BOT-BC59123  Sedum spathulifolium subsp. purdyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54329 Plumas 2.8 miles NNE of Englemine on Diamond Mt. Road 1341 Comment
  CDA8608  Senecio eurycephalus T. C. Fuller 1958-7-7 1916 Plumas 3 miles west of Virgilia. 0 Comment
  JEPS126361  Senecio hydrophiloides Steve Matson 2004-5-30 1041 Plumas nSNH: Between Susanville and Sierra Valley; about 20 SE of Antelope Lake; Forest Service Road 177, 1/2 mile south of junction with Doyle Grade Road. Comment
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CAS-BOT-BC363793  Senecio integerrimus L. W. Swift 1930-7-3 32 Plumas Plumas National Forest. Fitch Canyon Allot. 1889 Comment
  CAS-BOT-BC363794  Senecio integerrimus Ben Beard; J. D. Schoeller No date on label 403 Plumas Plumas National Forest. Last Chance near McDermott Pasture 1676 Comment
  CAS-BOT-BC363920  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
  JEPS113372  Senecio integerrimus var. exaltatus Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14042 Plumas 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  JEPS121735  Senecio integerrimus var. exaltatus B. Castro and L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~ 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels. Comment
  LA204250  Senecio integerrimus var. major E. D. Merrill; 1929-7-13 sn Plumas Sierra Nevada, Silver Lake 1828 Comment
  JEPS94641  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw Pilot Peak (slope on s side of Valley); Onion Valley 1920 Comment
  JEPS37598  Senecio triangularis H. M. Wheeler 1944-8-23 Plumas w of Walker Mine; Cascade Creek Comment
  UCD21050  Senecio triangularis E. Bortiri 2002-7-20 WFC 86 Plumas Red Rock Spring Meadow, Plumas NF, South of Diamond Mountains, Plumas Co. Comment
  CHSC66749  Sericocarpus oregonensis Vernon H. Oswald; Lowell Ahart 1996-8-14 8162 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. 1706 Comment
  CHSC70221  Sericocarpus oregonensis B. Castro; R. Fallscheer, R. Zebell 1989-8-7 372 Plumas Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, near jcn USFS Rds 23N18, 23N15 and 23N69. 1859 Comment
  CAS-BOT-BC364765  Sericocarpus oregonensis subsp. californicus John Thomas Howell 1951-8-19 28188 Plumas Greenville 1097 Comment
  CAS-BOT-BC364767  Sericocarpus oregonensis subsp. californicus Walter Knight; Irja Knight 1966-9-12 1734 Plumas Butterfly Botanical Area and Vicinity. Beargrass Glade 1127 Comment
  CAS-BOT-BC240245  Setaria viridis John Thomas Howell 1959-9-20 34719 Plumas Tobin 609 Comment
  CAS-BOT-BC213134  Sidalcea W. I. Follett; E. B. Follett 1962-7-31 s.n. Plumas Estray Creek, 1.5 mi. W of Spring Garden, Sierra Nevada Comment
  CAS-BOT-BC213138  Sidalcea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54111 Plumas 10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada 1889 Comment
  CHSC68368  Sidalcea gigantea L. P. Janeway 1996-8-15 5069 Plumas Along the Oroville-Quincy Hwy, 1.1 mi west of Grizzly Creek; between the road and Little Grizzly Creek. 1645 Comment
  CHSC95026  Sidalcea gigantea Lowell Ahart 2006-10-23 13461 Plumas Along a small seep, on the north side of the road to the dam across Slate Creek, about 100 yard north of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  SD46593  Sidalcea glaucescens Robert J. Weatherby 1950-7-21 1473 Plumas East Quincy. 1036 Comment
  RSA59425  Sidalcea glaucescens E. K. Balls 1950-9-15 15857 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  RSA755544  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 miles west of junction with Highway 89 and Highway 36 southwest of Chester. 1463 Comment
  JEPS97968  Sidalcea oregana subsp. spicata B. G. Baldwin 1999-8-7 1090 Plumas N of Almanor Reservoir (E of Chester) (along road to Last Chance Campground (USFS), along E edge of Last Chance Marsh, where marsh extends E of road at junction with road bearing E) Comment
  CHSC88885  Silene G. Blosser 2004-8-15 8 Plumas High Sierra Nevada. Middle Fork Feather River: 10 feet from the east bank of river 1/2 mile north of Mohawk. 1310 Comment
  CHSC63453  Silene bernardina Lowell Ahart 1994-7-22 7488 Plumas Plumas County/Sierra County. South of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  UCD98585  Silene dichotoma subsp. dichotoma G. L. Stebbins Jr. 1970-7-24 7071 Plumas Blairsden. 1341 Comment
  CHSC34855  Silene douglasii M. S. Taylor 1981-7-6 3986 Plumas S side of 25N84, at base of Devils Postpile type formation, ca. 1 mi e of Beckwourth-Milford Rd (26N70), ca. 18 air mi ne of Beckwourth. 1920 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
  RSA52887  Silene douglasii R. Weatherby 1950-8-11 1507 Plumas Trail near Long Lake, Lakes Basin Area. Comment
  SEINET10899195  Silene douglasii Mary Susan Taylor 1982-7-21 Taylor 4894 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  CHSC61726  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-25 5872 Plumas Lassen Volcanic National Park. S end of the arm of the North Fork of Rice Creek draining the N unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the creek. 2057 Comment
  CHSC88824  Silene laciniata subsp. californica L. Hanson 1981-7-28 162 Plumas Plumas National Forest. On Browns Hill Ridge. 1341 Comment
  CAS-BOT-BC389401  Silene lemmonii Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville Comment
  NY342631  Silene lemmonii Mrs. Ames 1876-1 s.n. Plumas Comment
  POM147077  Silene lemmonii Alice Eastwood 1927-06 14455 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  RSA101389  Silene lemmonii R. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. Comment
  UC595082  Silene nuda David D. Keck 1938-8-9 4896 Plumas 1 mi w Portola; w of Portola 1480 Comment
  CHSC56535  Silene occidentalis subsp. occidentalis L. P. Janeway 1984-7-13 918 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). Meadow near small creek bank. 1584 Comment
  CAS-BOT-BC75121  Sisymbrium altissimum Greg Sommers 1976-7-20 189 Plumas Sierra Nevada. Sierra Valley Marsh. On Dyson Lane 50 meters east of metal bridge. 1524 Comment
  CAS-BOT-BC75113  Sisymbrium altissimum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1540 Plumas Butterfly Botanical Area and Vicinity. Along roadside near mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC75116  Sisymbrium altissimum John Thomas Howell 1959-9-21 34809 Plumas Sierra Nevada. Indian Creek Canyon. 914 Comment
  CAS-BOT-BC75120  Sisymbrium altissimum David D. Keck 1932-7-3 1685 Plumas Quincy, in the northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC75125  Sisymbrium altissimum M. S. Taylor 1982-9-13 5132 Plumas Ramelli Ranch, at junction of Grizzly Creek and Feather River, ca. 2 miles west of Beckwourth. 1487 Comment
  JEPS106229  Sisyrinchium bellum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 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
  SEINET7725495  Sisyrinchium douglasii Unknown Plumas Goose Lake Valley Comment
  CHSC58203  Sisyrinchium idahoense Vernon H. Oswald; Lowell Ahart 1992-6-22 5030 Plumas Small corner of property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1627 Comment
  UC1134653  Smilacina racemosa G. T. Nordstrom 1934-7-20 241 Plumas 1/2 mi nw Edmanton; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC82480  Solanum parishii Lowell Ahart 2002-6-26 9771 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
  CAS-BOT-BC156840  Solanum umbelliferum J. T. Howell 1951-6-28 27644 Plumas Johnsville 1585 Comment
  JEPS103359  Solanum umbelliferum Lowell Ahart 2002-6-26 9771 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
  NY820403  Solanum xanti J. M. Coulter 1876-1 s.n. Plumas Comment
  CHSC113900  Solidago elongata Lowell Ahart 2014-8-24 19746 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC99810  Solidago elongata Lowell Ahart 2008-8-14 15215 Plumas West of the small stream, northwest of the meadow (swamp, bog), about 300 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS88434  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-1 8135 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn. 1463 Comment
  UC36234  Solidago elongata D. Cleveland Jul 1882-Jul 1889 Plumas 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
  CHSC102114  Solidago velutina subsp. sparsiflora Lowell Ahart; John Dittes 2009-7-28 16205 Plumas On damp soil, meadow southeast of powerline, 500 feet southeast of Forest Service Road 27N28Y, slope north of Ohio Creek, 2.6 miles (air) northwest of Butt Valley Reservoir Dam. 1511 Comment
  CAS-BOT-BC374402  Sonchus asper John Thomas Howell 1961-6-21 36684 Plumas Greenville 1097 Comment
  JEPS107734  Sorbus californica Lowell Ahart, John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CHSC62158  Sorbus scopulina L. P. Janeway 1993-8-14 4523 Plumas Plumas National Forest. Seep adjacent to creek on east side of road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  HSC73019  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, 4 mi. NW of Meadow Valley 1829 Comment
  CHSC113633  Spergularia rubra Lowell Ahart 2014-8-31 19831 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC40360  Spergularia rubra Lowell Ahart 1985-7-11 5129 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC43423  Spergularia rubra Lowell Ahart 1974-8-15 611 Plumas Along the dirt road near White Cap, about 10 miles south of Sloat. 1676 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
  SEINET10537500  Spergularia rubra Lowell Ahart 1985-7-11 Ahart 5129 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  UC91158  Sphaeromeria potentilloides var. potentilloides Mrs. R. M. Austin 1876-1 374 Plumas American Valley Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  CAS-BOT-BC149638  Spiraea douglasii John Thomas Howell 1961-6-21 36605 Plumas Greenville 1097 Comment
  CAS-BOT-BC149664  Spiraea douglasii Walter Knight; Irja Knight 1966-6-18 1288 Plumas Butterfly Valley. Near Darlingtonia Bog 1143 Comment
  CHSC66641  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8025 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along the lake. 1371 Comment
  HSC19752  Spiraea douglasii W. R. Rogers 1966-8-24 207 Plumas Near Snake Lake Comment
  SD46578  Spiraea douglasii Robert J. Weatherby 1950-7-28 1499 Plumas on border of Smith Lake (above Snake Lake) near Quincy. Comment
  CAS-BOT-BC149652  Spiraea douglasii Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Feather River [Canon] Canyon Comment
  CDA13379  Stachys ajugoides var. ajugoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13228 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E, about 1/4 mile below headwater springs. Comment
  UC726304  Stachys ajugoides var. rigida A. A. Heller 1938-7-2 15232 Plumas just outside Quincy (along the highway near the river bridge) 1097 Comment
  RSA0106526  Stachys 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. 1534 Comment
  SEINET10499274  Stachys rigida Mary Susan Taylor 1981-8-19 Taylor 4216 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  POM284550  Stachys rigida subsp. rivularis Lyman Benson 1932-7-29 3985 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC41390  Stellaria crispa Lowell Ahart 1986-7-1 5330 Plumas Along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 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
  CDA14672  Stellaria longipes G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3114 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  UCD99322  Stellaria longipes subsp. longipes John Thomas Howell 1960-7-18 35516 Plumas Drakesbad. 1676 Comment
  JEPS113526  Stellaria longipes var. longipes Lowell Ahart, John Dittes 2007-6-17 14188 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
  CHSC82548  Stellaria obtusa Lowell Ahart 2002-7-18 9874 Plumas Along a small upper branch of Fall River, about 1 1/4 mile southwest of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1658 Comment
  CAS-BOT-BC5619  Stenotus acaulis Amos Arthur Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC375080  Stephanomeria Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt.