Search Results — 2000 specimen records retrieved (1442 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC336753  Abies concolor unknown Plumas Thompson's Quincy Comment
  CAS-BOT-BC77982  Abies concolor John Thomas Howell 1960-7-18 35504 Plumas Drakesbad 1828 Comment
  UC1171598  Acer glabrum E. Sawyer 1935-6-25 145 Plumas 1 1/2 mi ssw Crow; Plumas National Forest, Sierraville Quad. Comment
  UCR3601  Acer glabrum subsp. torreyi Wm. Horn Jr. 1963-6-29 630629- 01 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CAS-BOT-BC330956  Acer glabrum var. glabrum Lewis S. Rose 1969-6-23 69042 Plumas 8 mi SW of Quincy, La Porte Road 1310 Comment
  CHSC46628  Acer glabrum var. torreyi Lowell Ahart 1989-7-2 6348 Plumas on the north-west side of Pilot Peak, about 10 miles north-east of La Porte 2133 Comment
  CAS-BOT-BC333226  Acer macrophyllum Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 871 Plumas On La Porte Rd., 10 km S of jct with Hwy 70. 1400 Comment
  CAS-BOT-BC333233  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  CAS-BOT-BC28738  Achillea millefolium John Thomas Howell 1955-7-19 30798 Plumas Vinton 1505 Comment
  CHSC9721  Achillea millefolium Nancy Mosman 1971-7-11 88 Plumas In meadow on the w side of Feather River ca. 0.6 mi s of Belden turnoff and Hwy 70. 1025 Comment
  CAS-BOT-BC28732  Achillea millefolium Walter Knight; Irja Knight; J. T. Howell 1966-7-27 1646 Plumas High part of Sweetwater Meadow near rill adjacent road. 1127 Comment
  CAS-BOT-BC210700  Achnatherum lemmonii David D. Keck 1944-7-8 5437 Plumas Dixie Canyon Store, 2 mi. S.W. of Crescent Mills, on Indian Creek 1066 Comment
  SEINET203888 Image available Achnatherum lemmonii F. J. Hermann 1955-7-27 11948 Plumas Beckwour schoolyard. Comment
  UCD148591  Achnatherum lemmonii G. F. Hrusa; T. D. Wilfred 1996-8-1 13419 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1800 Comment
  CHSC73512  Achnatherum nelsonii subsp. dorei H. Durio 1995-8-17 Plumas Mosquito Flat Mdw. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Large meadow on Mosquito Creek, S of USFS RD 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. 1682 Comment
  CAS-BOT-BC216878  Achnatherum occidentale John Thomas Howell; Gordon H. True 1973-7-31 50069 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC216884  Achnatherum occidentale Clare B. Hardham 1970-8-8 17701 I Plumas Road to Thompson Peak Lookout 2133 Comment
  UCD50971  Achnatherum occidentale G. L. Stebbins Jr. 1939-7-9 2935 Plumas Southwest slope of Meadow View Peak. 1920 Comment
  CAS-BOT-BC210846  Achnatherum occidentale subsp. californicum Thomas H. Kearney 1944-8-14 14 Plumas Near Prattville, Lake Almanor Comment
  RSA129520  Achnatherum occidentale subsp. californicum F. W. Embree 1934-6-11 s.n. Plumas 1 mile NE of Bucks Ranch. 1601 Comment
  RSA71303  Achnatherum occidentale subsp. californicum L. S. Rose 1951-6-27 51022 Plumas Johnsville. 1601 Comment
  UC641666  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1939-7-9 2935 Plumas sw slope of Meadow View Peak Meadow View Peak 1920 Comment
  CHSC37017  Acmispon nevadensis M. S. Taylor 1982-6-14 4665 Plumas N side of Genesee Valley Rd (112) , ca. 2 mi w of Genesee. 1127 Comment
  CHSC45412  Aconitum columbianum Lowell Ahart 1976-7-7 1165 Plumas By Cold Water Creek, at the camp, about 4 miles south of Grizzly Mountain. 1524 Comment
  CAS-BOT-BC391474  Aconitum columbianum subsp. columbianum John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50633 Plumas Headwaters of Indian Creek south of Diamond Mountain 2103 Comment
  CAS-BOT-BC418807  Aconogonon phytolaccifolium Thomas H. Kearney 1944-8-14 40 Plumas Near Prattville, Lake Almanor Comment
  CHSC84342  Actaea rubra Lowell Ahart 2003-8-13 10502 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CHSC84356  Adiantum aleuticum Lowell Ahart 2003-8-13 10504 A Plumas On the south side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  UC123368  Adiantum aleuticum R. M. Austin July 1874 312 Plumas Black Creek Comment
  CAS-BOT-BC29434  Ageratina occidentalis J. T. Howell; Gordon H. True 1973-7-31 50075 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  SD8935  Ageratina occidentalis R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SEINET6709694 Image available Ageratina occidentalis M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 68 -14 Plumas Road from Chilcoot to Frenchman's along Last Chance Creek 1768 Comment
  CHSC36855  Agoseris glauca var. monticola M. S. Taylor 1982-7-28 4759 Plumas Ramelli Ranch, S side of Hwy 70, ca. 1 mi W of Beckwourth. 1487 Comment
  RSA726446  Agoseris glauca var. monticola L. Ahart, John Dittes 2007-6-17 14167 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  CHSC36878  Agoseris grandiflora M. S. Taylor 1982-8-4 4911 Plumas Jct of 25N14 and Taylor Creek and along Taylor Creek, ca. 5 mi NE of Quincy. Comment
  JEPS107720  Agoseris grandiflora Lowell Ahart, John Dittes 2005-9-19 12421 Plumas On damp disturbed soil, along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CAS-BOT-BC22920  Agoseris heterophylla Lewis S. Rose 1954-5-30 54057 Plumas Johnsville 1600 Comment
  CAS-BOT-BC22911  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54195 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC46152  Agoseris heterophylla Anna Head 1921-6-23 s.n. Plumas Campbells Hot Springs, Feather River region Comment
  CAS-BOT-BC13434  Agoseris retrorsa Dennis Breedlove 1962-6-12 4367 Plumas Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast Cromberg 1341 Comment
  SEINET12728743  Agropyron cristatum W. Harnach, N. Harnach 1991-6-29 593 Plumas Sierra Valley, on County Road A-24 (6 mile road), 4 miles N of Loyalton. 1490 Comment
  SEINET10901611  Agropyron dasystachyum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7047 Plumas Yellow pine and douglas fir in plumas national forest off hwy 70. 1067 Comment
  SEINET10789692  Agropyron intermedium Mary Susan Taylor 1982-1 Taylor 4761 Plumas Portola quad. Ramelli Ranch, between Calpine Rd (109) and cow pastures; ca. 1 mi w of Beckwoourth, s of Hwy 70. Sagebrush Scrub. With Perideridia, Chaenactis. 1487 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-BC127097  Agrostis exarata W. R. Dudley 1909-8-27 s.n. Plumas Sierra Valley. Near Hot Springs. Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  CAS-BOT-BC127103  Agrostis exarata John Thomas Howell 1951-6-29 27751 Plumas Feather River Canyon. 548 Comment
  CAS-BOT-BC139601  Agrostis gigantea Fred Sommers; Greg Sommers 1976-7-20 177 Plumas Sierra Nevada. Sierra Valley Marsh along road and in fields. 1524 Comment
  CAS-BOT-BC139612  Agrostis gigantea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1661 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  CHSC89305  Agrostis pallens G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16327 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
  CAS-BOT-BC138710  Agrostis scabra John Thomas Howell 1960-7-20 35773 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  RSA59303  Agrostis stolonifera E. K. Balls 1950-9-12 15792 Plumas Lakes Center Public Campground 2043 Comment
  CHSC44539  Agrostis thurberiana Lowell Ahart 1977-7-9 1455 Plumas Along the edges of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC267055  Alisma John Thomas Howell 1959-9-21 34815 Plumas Indian Creek 914 Comment
  CAS-BOT-BC461098  Allium anceps John Thomas Howell; H. Keith Wagnon no date listed on sheet 53629 Plumas about 1.5 miles northwest of Alamanor (near intersection of Hwy 89 and Humboldt Road), Sierra Nevada 1389 Comment
  CAS-BOT-BC466604  Allium campanulatum E. K. Balls; L. W. Lenz 1956-6-19 21843 Plumas forest lodge, sw of greenville 1127 Comment
  CAS-BOT-BC466623  Allium campanulatum Frank W. Peirson 1926-6-21 6805 Plumas Quincy. Northern Sierra Nevada 2074 Comment
  JEPS61505  Allium campanulatum W. I. Follett 1937-7-27 Plumas Rich Gulch; Rich Gulch Comment
  SEINET12048126  Allium campanulatum M. Ownbey, Ownbey, G. B. 1946-1 2932 Plumas Ohio Valley near Almanor Dam Comment
  CAS-BOT-BC474062  Allium parvum A. A. Heller 1938-5-21 15104 Plumas Airfield west of Chester 1304 Comment
  SJSU14346  Allium parvum N. A. Hopkins 1990-5-12 1612 Plumas 16 mi NW of Beckwourth on rd to Genesee 1676 Comment
  CAS-BOT-BC474094  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover valley Comment
  CAS-BOT-BC476727  Allium validum M. S. Taylor 1981-8-17 4024 Plumas Within 1/4 mi of Bear Lake trailhead, near Elwell Lodge, ca. 6 air mi S of Mohawk. 1981 Comment
  SEINET10472025  Allium validum Mary Susan Taylor 1982-8-4 Taylor 4917 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CHSC116233  Allophyllum integrifolium Lowell Ahart 2015-7-4 20285 Plumas On the east side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles north (air) of Little Grass Valley Reservoir dam. 1731 Comment
  RSA718437  Allophyllum integrifolium L. Ahart 2006-7-9 12921 Plumas 100 yards north of the paved basalt road, about 4 (air) miles northwest of Tamarack Flat, about 6 (air) miles northwest of Little Grass Valley Reservoir. 1651 Comment
  CAS-BOT-BC171348  Alnus incana subsp. tenuifolia John Thomas Howell 1959-9-24 34936 Plumas Butterfly Creek near mouth. Sierra Nevada 914 Comment
  CAS-BOT-BC171354  Alnus incana subsp. tenuifolia John Thomas Howell 1959-9-24 34936 Plumas Butterfly Creek near mouth. Sierra Nevada 914 Comment
  CAS-BOT-BC171365  Alnus incana subsp. tenuifolia Lewis S. Rose 1967-6-12 67113 Plumas Butterfly Valley, ca 3 mi W of Keddie 1097 Comment
  RSA189385  Alnus incana subsp. tenuifolia L. S. Rose 1967-5-7 67066 Plumas 3 mi W of Keddie, Butterfly Valley. 945 Comment
  RSA508626  Alnus incana subsp. tenuifolia Mrs. R. M. Austin 1878-07 s.n. Plumas Big Meadows. Comment
  SEINET10478561  Alnus incana subsp. tenuifolia Mary Susan Taylor 1981-8-28 Taylor 4244 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  NY42164  Alnus rhombifolia J. B. Walker 1994-8-3 870 Plumas On La Porte Rd, 10km S of junction with Hwy 70 1400 Comment
  SFV845  Alnus rhombifolia E. Ahrenholz 1962-4-18 20 Plumas Sierra Nevada Between Greenville and Lake Almanor on State Highway 89. Streambank. Comment
  RSA726448  Alopecurus aequalis L. Ahart, John Dittes 2007-6-17 14162 Plumas along Red Clover Creek, about 50 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  CAS-BOT-BC138026  Alopecurus carolinianus W. Harnach; N. Harnach 1991-6-21 560 Plumas Sierra Valley. Next to RailRoad bridge east of County Road A-23. 1487 Comment
  CAS-BOT-BC138002  Alopecurus geniculatus M. S. Taylor 1982-8-27 5062 Plumas Ramelli Ranch, where Feather River crosses RailRoad tracks, ca. 1.5 mile southwest of Beckwourth. 1487 Comment
  JEPS102800  Amaranthus californicus Lowell Ahart 2001-8-29 9245 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC136792  Amelanchier utahensis Alice Eastwood 1927-6-13 14541 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  UC1127780  Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 mi s and 0.5 mi e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UC567084  Amelanchier utahensis E. Sawyer 1935-5-21 16 Plumas 2 mi e Beckwith; Sierraville Quad. 1584 Comment
  CAS-BOT-BC391847  Anemone drummondii Gladys L. Smith 1976-6-7 4615 Plumas Curve of road just after crossing inlet creek of Little Grass Valley Res. County line of Plumas and Butte County 1889 Comment
  CHSC107447  Anemone drummondii var. drummondii Matt Simenc; Rebecca Joyner 2011-7-2 10 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
  CAS-BOT-BC391995  Anemone oregana Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1919 Plumas Butterfly Botanical Area and Vicinity. Between valley proper and Darlingtonia bog 1066 Comment
  SD8181  Anemone quinquefolia Daniel Cleveland July 1882 Plumas Big Meadows Comment
  SD8180  Anemone quinquefolia Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS113800  Angelica breweri Lowell Ahart, John Dittes 2007-8-9 14453 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis 2509 Comment
  JEPS14089  Angelica breweri W. L. Jepson 1939-7-31 19321 Plumas lower Spanish Peak, about 2 to 2 1/2 mi (by trail) from summit Spanish Peak 2042 Comment
  HSC71430  Angelica breweri J. M. DiTomaso 1980-8-27 1944 Plumas 6 mi W of Quincy on Hwy 70, just E of Meadow Valley 1220 Comment
  SEINET13945520 Image available Angelica breweri E. K. Balls 1950-1 15790 Plumas 1.5 mi along trail from Lakes Center Public Campground to Long Lake outlet. 6600 ft 2012 Comment
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  UCSB15961  Antennaria argentea 1962-6-12 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC59314  Antennaria argentea M. S. Taylor; M. Foster 1981-7-2 3821 Plumas Plumas NF, Quincy RD. Spring Garden overpass, n side of Hwy 70. Spring Garden qud. 1219 Comment
  CHSC97526  Antennaria dimorpha Lowell Ahart; John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UC134205  Antennaria geyeri Mrs. R. M. Austin 1882-8-1 Plumas Lassen's Peak Comment
  JEPS102861  Anthemis cotula Lowell Ahart 2001-10-8 9329 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-BC84649  Anthemis cotula Walter Knight; Irja Knight 1967-9-16 2254 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC62161  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 1993-7-28 4480 Plumas Plumas National Forest. East side of Ward Creek 0.2 mi north of confluence of the North and South Branches; 1.1 mi south of Genesee Valley. 1280 Comment
  POM181052  Apocynum androsaemifolium subsp. pumilum A. A. Heller, B. B. Kennedy 1907-7-8 s.n. Plumas Near Greenville Comment
  CHSC34867  Apocynum cannabinum M. S. Taylor 1981-7-29 4134 Plumas Jct of Flournoy Grade (25N42) and Beckwourth-Genesee Rd, ca. 3 air mi ne of Genesee. 1127 Comment
  SEINET3157178  Apocynum cannabinum L. S. Rose 1939-6-8 39262 Plumas Twain 853 Comment
  SEINET259928  Apocynum pumilum M. S. Taylor 1981-7-27 4126 Plumas Babcock Peak. N side of Beckworth Genesse Rd ca. 7 air mi E of Genesse. Alson in section 4 and 'C 10 1646 Comment
  JEPS48664  Aquilegia formosa Esther C. Fritz 1933-7-4 Plumas along rd Spanish Peak 2103 Comment
  SEINET10841514  Arabis constancei Mary Susan Taylor 1981-6-22 Taylor 3940 Plumas T24N R9E n half ne sec 31. Bucks Lake quad. N side 24N20 - Rock Creek Rd, in large open serpentine slope, ca. 1 mi N of Deane's Valley, just W of jct East Branch Rock Creek, 2.5 air mi SE of Meadow Valley. 4300 ft. elev. 1310 Comment
  SEINET10907252  Arabis constancei Mary Susan Taylor 1982-6-1 Taylor 4582 Plumas T26N R9E sw/nw sec 8. Almanor NE quad. N side of 204, ca. 1 air mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  SEINET5340123  Arabis constancei J. Robertson, Y. M. Robertson 1983-6-9 s.n. Plumas Plumas National Forest. Along old roads near Clear Creek N & E of mine pit - E of Clear Creek. 1512 Comment
  CDA14667  Arabis holboellii var. pinetorum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3107 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CDA24667  Arabis subpinnatifida G. D. Barbe 1982-6-9 3654 Plumas Southwest and below Thompson Peak, overlooking Honey Lake Valley. Plumas National Forest. Comment
  CHSC105612  Aralia californica L. P. Janeway 2010-8-4 10133 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Hwy 70 and East Fork North Fork Feather River. 944 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  UC1078843  Arceuthobium campylopodum Job Kuijt 1957-5-21 1351 Plumas 3 mi n Almadore (on Hwy 89) Comment
  RSA609442  Arctostaphylos L. C. Wheeler 1958-7-30 7354 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1584 Comment
Read comments
Mar 9 2007
  UCR84522  Arctostaphylos Gladys L. Smith 1976-6-7 4582 Plumas N end of summit area, secondary road between Rte. 70 and La Porte 1951 Comment
  SBBG5441  Arctostaphylos manzanita subsp. manzanita H. and M. Dearing 1939-5-9 3325 Plumas above Graeagle 1371 Comment
  CHSC9730  Arctostaphylos mewukka Nancy Mosman 1971-7-17 104 Plumas Abundant along N side of Hwy 32 ca. 1.8 mi S of Chester. 1524 Comment
  UC924267  Arctostaphylos mewukka H. S. Reed 1941-8-5 Plumas Keddie 1066 Comment
  CAS-BOT-BC38615  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34779 Plumas N. Fork Feather River near Belden 701 Comment
  UC567082  Arctostaphylos nevadensis C. G. Albertus 1935-8-7 241 Plumas four mi nw Blue Nose; Downieville 2133 Comment
  CAS-BOT-BC42099  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas Butterfly Creek & Spanish Creek, south of Keddie 883 Comment
  CAS-BOT-BC42114  Arctostaphylos patula D. E. Breedlove 1962-6-12 3472 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC42122  Arctostaphylos patula Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas West of Meadow Valley Inn Comment
  JEPS38822  Arctostaphylos patula W. L. Jepson 8017 Plumas Taylorsville 1097 Comment
  UC1552779  Arctostaphylos patula Frederica Bowcutt 1985-6-7 582 Plumas along Hwy 89 halfway between Clio and Calpine (Plumas-Sierra Co. line) 1432 Comment
  UC549431  Arctostaphylos patula J. E. Adams 1934-5-13 816 Plumas Silver Lake Comment
  CAS-BOT-BC42089  Arctostaphylos patula John Thomas Howell 1976-4-2 51580 Plumas Near Spring Garden 1219 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-BC47075  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1655 Plumas In area adjacent to Sweetwater Meadow. 1127 Comment
  JEPS26739  Arenaria congesta var. congesta P. C. Hutchison 1961-6-9 2135 Plumas 6 mi w Quincy (on the road to Buck's Lake. near Spanish Ranch) Comment
  SEINET6225252  Arenaria congesta var. suffrutescens L. S. Rose 1967-1 67172 Plumas 1 mi S of Keddle, Butterfly Creek & Spanish Creek Comment
  CHSC21207  Arenaria kingii var. glabrescens F. T. Griggs; A. Pass 1975-7-16 187 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC32025  Arenaria kingii var. glabrescens L. Ahart 1975-7-9 866 Plumas Ca. 1 mi w of Pilot Peak. 1981 Comment
  CHSC48249  Arenaria kingii var. glabrescens Vernon Oswald 1986-6-6 2085 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  UC1509627  Arenaria kingii var. glabrescens L. and P. Ahart 1983-8-17 4321 Plumas near Onion Valley (w of Pilot Peak, near the Quincy-Laporte Rd. ne of La Porte) 2000 Comment
  CHSC61614  Argemone munita subsp. munita Arthur C. Barrett 1915-7-19 19 Plumas Along Doyle- Last Chance Road. Plumas forest. 1584 Comment
  CAS-BOT-BC82223  Arnica chamissonis H. E. Brown 1897-8-1 607 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC295861  Arnica dealbata L. W. Swift 1934-7-5 87 Plumas Plumas National Forest. N La Porte 1950 Comment
  CHSC64065  Arnica discoidea B. Castro; R. A. Schlising 1987-7-21 175 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42. 1539 Comment
  UC1609325  Arnica discoidea Vernon H. Oswald and Lowell Ahart 1993-8-11 5781 Plumas 0.5 mi s Willow Lake (ca 1 mi s of Lassen Park, se side of lake); Domingo Lake 1767 Comment
  CAS-BOT-BC82512  Arnica discoidea David D. Keck 1932-7-3 1645 Plumas Hillside south of town (forested), Quincy, in the Northern Sierra Nevada 1220 Comment
  SBBG128289  Arnica discoidea L. Ahart, J. Dittes 2009-7-15 16093 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
  RSA94852  Arnica longifolia subsp. myriadenia J. T. Howell 1926-7-30 2157 Plumas Near Prattville on Lake Almonor Comment
  SEINET224359  Artemisia cana John Thomas Howell 1959-9-24 Plumas Plumas County: Sierra Valley near Beckwourth. At Beckwourth airfield 1 mile east of town. 1494 Comment
  CAS-BOT-BC90413  Artemisia douglasiana John Thomas Howell 1977-8-11 52677 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  SEINET10474108  Artemisia douglasiana Mary Susan Taylor 1981-8-28 Taylor 4247 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  UC710418  Artemisia douglasiana Thomas H. Kearney Aug 14 1944-Aug 26 1944 165 Plumas near Prattville; Lake Almanor Comment
  SEINET10904838  Artemisia dracunculus Mary Susan Taylor 1982-9-13 Taylor 5130 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC97249  Artemisia ludoviciana Greg Sommers 1976-7-26 194 Plumas On bank along side of Dyson Lane 20 meters west of the metal bridge, Sierra Valley Marsh 1524 Comment
  CHSC97587  Artemisia ludoviciana subsp. incompta Lowell Ahart; John Dittes 2007-6-17 14205 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  RSA122490  Artemisia tridentata subsp. tridentata C. W. Hanks 1934-9-25 89 Plumas Red Rock Valley 1372 Comment
  CHSC78476  Artemisia tridentata subsp. vaseyana Vernon H. Oswald 2000-7-31 9944 Plumas Forest Road 28N15 on Diamond Mountain at the pond draining into Indian Creek. 2084 Comment
  CAS-BOT-BC400771  Asarum lemmonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2393 Plumas On east side of Butterfly Valley Comment
  SEINET260549  Asarum lemmonii M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  SD7722  Asclepias cordifolia R. M. Austin 1880-1 Plumas American Valley Comment
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park Comment
  SD46629  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas Feather River, Middle Fork, No Ear Bar 915 Comment
  UCD121328  Asclepias fascicularis C. U. Hanks 1934-9-18 85 Plumas Hills north of Sierra Valley. 1676 Comment
  JEPS6282  Asclepias speciosa W. L. Jepson 1939-8-4 19340 Plumas Rock Creek; Meadow Valley 1219 Comment
  UC57241  Asclepias speciosa H. M. Hall and E. B. Babcock July, 1903 4425 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  CHSC63440  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS120177  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  UCR45291  Aster occidentalis R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  SEINET13709330  Aster occidentalis Lowell William Ahart, Lowell William Ahart 2001-1 9241 Plumas W Side of Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CHSC88828  Astragalus L. Hanson 1987-5-27 281 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  JEPS91425  Astragalus canadensis var. brevidens Dean Wm. Taylor with Glenn L. Clifton 1990-6-26 11177 Plumas Sierra Valley; near junction Road A24 and Dyson Lane, in SW corner of the junction 1432 Comment
  SEINET5324191  Astragalus gibbsii A. A. Heller, Patrick Beveridge Kennedy 1907-7-16 8868 Plumas Grade between Genessee Valley and summit Comment
  CHSC48057  Astragalus lentiformis L. P. Janeway 1989-7-11 3478 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; 1/2 mi SW of the Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1699 Comment
  CHSC97590  Astragalus lentiformis Lowell Ahart; John Dittes 2007-6-16 14123 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET5325512  Astragalus lentiginosus var. floribundus W. Harnach, N. Harnach 2002-5-14 1063 Plumas 0.8 miles west of the intersection of Hwy 49 and Dyson Lane. 1494 Comment
  CAS-BOT-BC192851  Astragalus pulsiferae Philip A. Munz 1947-5-16 11817 Plumas 5 miles N. of Chilcoot 1524 Comment
  JEPS100349  Astragalus pulsiferae var. pulsiferae Dean W. Taylor 2001-6-28 17815 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 just southeast of the lake 1859 Comment
  CHSC52413  Astragalus purshii L. P. Janeway 1989-6-29 3419 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CAS-BOT-BC192951  Astragalus purshii var. purshii M. S. Taylor 1982-5-7 4417 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
  CAS-BOT-BC193043  Astragalus purshii var. tinctus Alice Rosenberg 1917-6-20 s.n. Plumas Blairsden Comment
  UC1128867  Astragalus purshii var. tinctus E. Sawyer 1935-5-22 25 Plumas 2 1/2 mi sse Beckwith; Sierraville Quadrangle, sse of Beckwith 1493 Comment
  CAS-BOT-BC200861  Astragalus webberi R. C. Barneby; J. T. Howell 1954-5-14 11478 Plumas 1 1/2 miles s. of Crescent Mills 1082 Comment
  CHSC33880  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy 89, ca. 1/4 mi s of turnoff to Taylorsville ca. 1 mi s of Crescent Mills. 1097 Comment
  NY658906  Astragalus webberi M. E. P. Ames s.n. Plumas Indian Valley Comment
  RSA716796  Athyrium filix-femina subsp. cyclosorum L. Ahart, John Dittes 2005-9-20 12441 Plumas East of the end of Forest Road, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2062 Comment
  CHSC102655  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes 2009-8-28 16350 -A 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
  JEPS107686  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2005-9-20 12441 Plumas Along a very small stream, east of the end of Forest Road 27N34, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2061 Comment
  JEPS114946  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-8-14 15208 Plumas In a small wet meadow, about 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1600 Comment
  RSA0039308  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-8-14 15208 Plumas About 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  SEINET10941930  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 Ahart 16350 Plumas T26N, R7E, northeast 1/4 Section 1. Normal size frond, on damp to wet soil, seep, on the northside 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. 1477 Comment
  CAS-BOT-BC17544  Athysanus pusillus Matt Lavin 1982-6-25 4147 A Plumas Sierra Nevada. 4 miles from Graeagle on road to Gold Lake. 1706 Comment
  JEPS3028  Balsamorhiza deltoidea Milo S. Baker 1952-5-24 12441 Plumas in a canyon above Pine Valley (Highway 89); Highway 89 944 Comment
  CAS-BOT-BC106453  Balsamorhiza hookeri Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  CHSC75900  Balsamorhiza macrolepis var. platylepis G. F. Hrusa 1997-5-30 13850 Plumas 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508) /and Sloat Rd. (to S). [Original lat./long. on label is '39 53 N; 120 42 W']. 1450 Comment
  CAS-BOT-BC16564  Barbarea orthoceras Anna Head 1921-7-5 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CHSC81354  Barbarea orthoceras L. P. Janeway 1996-5-13 4965 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
  CHSC118661  Barbarea orthoceras Reed Kenny 2015-7-9 2015005 Plumas Plumas National Forest. Location in the upper part of Lone Rock Valley, off Forest Service road 27N65, just east of 28N03J. UTM 699382 E, 4454912 N, NAD83 Zone 10N. 1675 Comment
  CAS-BOT-BC145806  Beckmannia syzigachne John Thomas Howell 1973-7-9 49709 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CHSC37007  Beckmannia syzigachne M. S. Taylor 1982-8-27 5068 Plumas Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1487 Comment
  CAS-BOT-BC102057  Bidens frondosa Lowell Ahart 1981-9-6 3103 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  SEINET10473665  Bidens frondosa Mary Susan Taylor 1981-9-3 Taylor 4268 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  SEINET7379355 Image available Blepharipappus scaber W. Harnach, N. Harnach 1990-8-27 522 Plumas Sierra Valley. Intersection of Co. Rd. A-23 and Marble Lane 1490 Comment
  JEPS99041  Boechera Robert E. Preston 1982-4-29 271 Plumas Hwy 70, N side of Chips Creek. 656 Comment
  CAS-BOT-BC15814  Boechera arcuata Milo S. Baker 1952-5-25 12475 Plumas Feather River Canyon at Camp Storrie. 457 Comment
  CHSC46631  Boechera breweri Lowell Ahart 1989-7-2 6341 Plumas On cliffs, on the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CAS-BOT-BC16067  Boechera breweri John Thomas Howell; Gordon H. True 1967-5-9 42205 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CHSC54316  Boechera breweri subsp. breweri Vernon H. Oswald; Lowell Ahart 1991-6-18 4677 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CAS-BOT-BC16135  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4476 Plumas North side of 27N92, ca. 2 air miles southeast of Canyon Dam. 1553 Comment
  CHSC67349  Boechera constancei James D. Jokerst 1984-4-25 1986 Plumas Big Grizzly Hydro Project. Ca. 1/8 mi W of N. Fork Feather River. 914 Comment
  CHSC75472  Boechera constancei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
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Mar 24 2009
  CHSC61716  Boechera howellii Vernon H. Oswald; Lowell Ahart 1993-8-25 5876 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC10726  Boechera pendulocarpa Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CAS-BOT-BC14263  Boechera pinetorum M. S. Taylor 1981-5-10 3666 Plumas North side of Genesee Valley Road, ca. 4 miles west of Genesee. 1097 Comment
  CHSC33786  Boechera pinetorum M. S. Taylor; M. Foster 1981-6-2 3820 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
  CHSC82502  Boechera rectissima Lowell Ahart 2002-6-26 9774 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
  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-BC14723  Boechera repanda Lowell Ahart 1986-7-1 5328 Plumas South of the logging road 0.1 mile S of the West Branch of Hopkins Creek, about 0.75 mile NE of the Bunker Hill Mine. 1828 Comment
  CHSC72444  Boechera retrofracta L. P. Janeway 1998-6-22 5650 Plumas About 1.5 mi northwest of Moonlight Peak; above Road 28N08 1.1 mi northeast of Road 29N46. 1981 Comment
  CAS-BOT-BC25412  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54188 Plumas Sierra Nevada. Rush Creek. 1402 Comment
  CHSC4214  Boechera sparsiflora R. Carter 1966-4-28 381 Plumas Found in Feather R. Canyon at Pauls Cr. (ca. 1.5 mi. NE of Rock Cr. Dam) 10 yds. off N side of Hwy. 70 on W side of creek. 731 Comment
  UC118081  Boechera sparsiflora Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC25906  Boechera suffrutescens John Thomas Howell; Gordon H. True 1967-7-11 43348 Plumas Sierra Nevada. Summit ridge of Mount Hough. 2194 Comment
  UC338407  Botrychium multifidum J. G. Lemmon Plumas Tahoe Valley to Butterfly Valley Comment
  UCD102596  Boykinia major Jim McHenry 1992-6-1 s.n. Plumas location unknown. 1615 Comment
  SJSU4759  Brasenia schreberi C. W. Sharsmith 1969-6-19 7599 A Plumas Pond Reservoir [not Smith L--see annot], Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  HSC72999  Brickellia californica M. S. Taylor 1981-9-14 4278 Plumas W side of Hwy. 89, ca. 1 air mile N of Hwy. 70, ca. 10 air miles W of Quincy 915 Comment
  CAS-BOT-BC127778  Brickellia grandiflora M. S. Taylor; H. Swanson 1982-8-11 4972 Plumas Along n side of Jamison Creek Rd (507), on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville 1798 Comment
  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
  JEPS28594  Brickellia greenei George W. Gillett 1957-7-13 756 Plumas along direct route to the Devils Kitchen (slope below Sifford Lakes, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 Comment
  SEINET8716679 Image available Brodiaea ixioides Stanton A. Coor 1938-1 s.n. Plumas Plumas Co. Alt. 6300. Onion Valley. Comment
  SEINET10533850  Brodiaea multiflora Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7045 Plumas Yellow pine & douglas fir in plumas natl. Forest off hwy. 70 1067 Comment
  CAS-BOT-BC149315  Bromus carinatus var. carinatus John Thomas Howell 1961-9-23 36899 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  CHSC55637  Bromus carinatus var. carinatus K. R. Stern 1985-6-25 8223 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC148717  Bromus carinatus var. marginatus John Thomas Howell 1962-6-17 37687 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CAS-BOT-BC148719  Bromus carinatus var. marginatus John Thomas Howell 1967-6-23 42674 Plumas Sierra Nevada. Canon of Butterfly Creek. 1036 Comment
  SEINET10966908  Bromus catharticus Mary Susan Taylor 1981-7-6 Taylor 3966 Plumas T24N R16E NW/SE Sec 7. Frenchman Lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mile W of N tip of the lake, ca. 13 air miles NW of Chilcoot. 1798 Comment
  CAS-BOT-BC155928  Bromus commutatus John Thomas Howell 1973-7-10 49754 Plumas Sierra Nevada. Near Greenville. 1097 Comment
  CAS-BOT-BC155974  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Sierra Nevada. Canyon at Butterfly Creek. 1036 Comment
  CAS-BOT-BC155314  Bromus inermis Fred Sommers; Greg Sommers 1976-8-19 218 Plumas Sierra Valley Marsh, along Dyson Lane, 300 m east of the metal bridge. 1524 Comment
  CHSC97510  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2007-6-17 14190 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC76153  Bromus japonicus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3328 Plumas Forest land 4.8 miles northwest of Antelope Lake, 0.7 mile east of forest road to Taylor Lake. 1661 Comment
  CHSC76154  Bromus orcuttianus G. F. Hrusa 1997-5-30 13815 Plumas Sierra Nevada. Near summit of slope on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  CHSC80903  Bromus orcuttianus Lowell Ahart; Vernon H. Oswald 2001-7-23 8998 Plumas Along the edge of the dirt road, near sign of stagecoach robbery, about 1/2 mile north of Humboldt Summit. 1828 Comment
  JEPS115941  Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-13 16037 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA715686  Bromus orcuttianus L. Ahart 2005-8-9 12268 Plumas north of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of Boulder Creek Work Center at Antelope Lake. 1598 Comment
  SEINET4343728 Image available Bromus orcuttianus Lowell Ahart, John Dittes 2009-7-15 16092 Plumas Yellow Pine Forest; under the power line on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1518 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-BC162013  Bromus racemosus John Thomas Howell; Gordon H. True 1968-6-10 44543 A Plumas Sierra Nevada. Quincy. 1036 Comment
  UC1137637  Bromus secalinus R. W. Saarni 1939-6-15 114 Plumas 1/4 mi e of Rock Creek juction near: Spanish Creek 1097 Comment
  CHSC58050  Bromus suksdorfii Vernon H. Oswald; Lowell Ahart 1992-6-2 4969 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1822 Comment
  CAS-BOT-BC161353  Bromus tectorum Clare B. Hardham 1970-8-9 17716 EE Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC185648  Bromus tectorum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2084 Plumas Butterfly Botanical Area and Vicinity. Area near spring. 1127 Comment
  SEINET190971 Image available Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas West side of Lake Almanor. Comment
  UC1131288  Bromus tectorum C. W. Hanks 1934-8-7 12 Plumas Plumas National Forest, nw end of Sierra Valley Sierra Valley; Plumas National Forest, Sierra Valley 1584 Comment
  JEPS124729 Image available Bromus tectorum 32 Plumas Beckwourth pass Summit in the dry somewhat sandy place. 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
  CHSC112375  Calamagrostis canadensis var. canadensis L. P. Janeway 2014-7-15 11543 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC116590  Calamagrostis stricta subsp. inexpansa B. Castro; L. P. Janeway 2011-10-31 1916 Plumas Northern High Sierra Nevada. N end of lower Thompson Valley ca 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. Wet bed of main channel, ca 375 ft N (upstream) of small rock dam on Thompson Creek, ca 30 ft below edge of surrounding open Ponderosa-Jeffrey pine forest. 1674 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
  CAS-BOT-BC438487  Calandrinia ciliata John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-5-7 1840 Plumas West edge of Butterfly Valley proper. 1066 Comment
  SEINET10962336  Calandrinia ciliata var. menziesii Mary Susan Taylor 1982-6-21 Taylor 4708 Plumas T23N R11E ne/nw sec 30. Blue Nose Mt quad. Between small creek and Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 6100 ft. 1859 Comment
  CHSC48005  Callitriche verna Vernon Oswald 1988-7-19 3603 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CHSC67406  Calochortus coeruleus J. D. Jokerst 1984-6-13 2051 Plumas Traversed by USFS road 26N08, north of Cottonwood Cr. 1371 Comment
  SEINET10469582  Calochortus coeruleus Mary Susan Taylor 1982-5-26 Taylor 4537 Plumas T23N R10E nw/nw sec 12. Spring Garden quad. Both sides of Fells Creek Rd - 23N22, 4.0 mi w of Lee Summit, ca. 2 air mi sw of Sloat. 4400 ft. Mixed Coniferous Forest. 1341 Comment
  CAS-BOT-BC491836  Calochortus leichtlinii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54217 Plumas About 5 miles southeast of Mt. Hough on the road to Quincy 1584 Comment
  JEPS61698  Calochortus minimus Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC483476  Calochortus minimus Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC483480  Calochortus minimus A. A. Heller 1915-7-7 12066 Plumas Near the summit of Soapstone Ridge, 12 miles west of Bucks in the Sierra Nevada 1676 Comment
  CHSC21108  Calochortus nudus F. T. Griggs; A. Pass 1975-7-1 5 Plumas East of Grizzly Creek. Comment
  CHSC82360  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  UC1134506  Calochortus nudus F. W. Embree 1934-6-12 99 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  LA207378  Caltha leptosepala Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SEINET10475213  Calycadenia truncata Mary Susan Taylor 1981-8-31 Taylor 4250 Plumas California: T22N R13E sw 1/4 sec 22. Sierra City NE quad. Headwaters of Calf Pasture Creek, ca. 4 mi E of Clio. Plumas County. 5600 ft. 1707 Comment
  CAS-BOT-BC90968  Calycanthus occidentalis Hatton; Cayot 1914-9-12 s.n. Plumas Plumas Forest. Cascade Valley. 1219 Comment
  JEPS110516  Calyptridium monospermum Lowell Ahart 2006-10-23 13495 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  UCR3604  Calystegia occidentalis Wm. Horn Jr. 1963-7-14 630714 10 Plumas Northern Sierra Nevada Mtns, Meadow Valley, 120-130 yards south of Bucks Lake Road, 1 mi west of Meadow Valley Store at edge of clearing 1159 Comment
  SD7709  Calystegia occidentalis subsp. occidentalis Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC58188  Calystegia occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1992-6-22 5014 Plumas Lassen Volcanic National Park. Little willow Creek between Willow Lake and the access road into Terminal Geyser. 1737 Comment
  UC1552748  Calystegia occidentalis var. tomentella Frederica Bowcutt 1985-6-6 539 Plumas about 15 air mi ne Quincy (on the sw side of Red Clover Creek and Beckwourth Genesee Road in Plumas National Forest); Plumas National Forest, sw side Red Clover Creek Comment
  UC879382  Calystegia occidentalis var. tomentella Lewis S. Rose 1939-6-8 39259 Plumas 12 mi ne Belden (Breyes Flat, Feather River); Feather River, Breyes Flat, ne of Belden 975 Comment
  CAS-BOT-BC496988  Camassia leichtlinii subsp. suksdorfii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1689 Plumas Wet area in Sweetwater Meadow 1127 Comment
  CAS-BOT-BC497564  Camassia quamash subsp. breviflora Alice Eastwood 1918-5-25 7058 Plumas Portola Comment
  CHSC97439  Camassia quamash subsp. quamash Robert Fischer 2006-7-2 1040 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  JEPS61557  Camassia quamash subsp. quamash W. L. Jepson 1910-6-14 4123 Plumas Prattville, Big Meadows Big Meadows; Prattville, Big Meadows 1310 Comment
  RSA641466  Camelina microcarpa Michael A. Vincent 1999-6-7 8544 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  RSA186588  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18415 Plumas Hwy 49, 2.4 miles WNW of Sierraville Comment
  POM257257  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason 1924-6-15 1037 Plumas Graeagle - near Blairsden. Comment
  UCD19156  Camissoniopsis micrantha June McCaskill 1956-5-5 411 Plumas Lake Almanor region? Comment
  JEPS11744  Campanula prenanthoides Tom Harris, E. Fritz July 1926 Plumas Meadow Valley 1158 Comment
  SEINET10463033  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas RIDGE BETWEEN ONION CR & MIDDLE FORK FEATHER RIVER Comment
  SEINET10905900  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas Greenville Comment
  SEINET10972395  Campanula prenanthoides Edward K. Balls 1950-9-5 Balls 15682 Plumas Thompson Creek, main trail off La Porte Road (trail to Little Volcano), of Highway 24 east of Quincy 1463 Comment
  SEINET5341058  Cardamine cordifolia P. A. Lehenbauer 1926-5-31 1498 Plumas Clover Creek, Plumas Nat. Forest. Comment
  CAS-BOT-BC37855  Cardamine oligosperma Mary Strong Clemens 1920-6-17 s.n. Plumas Greenville. Comment
  CHSC71138  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas East side of ravine draining East Branch North Fork Feather River at Rich Bar; above Hwy 70. Almost to the edge of the creeklet. 792 Comment
  UC1736742  Cardamine pachystigma var. pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 Comment
  POM95828  Cardamine pulcherrima Mrs. R. M. Austin 1874-03 30 Plumas Fern Dell. Comment
  CAS-BOT-BC18346  Carex Clare B. Hardham 1961-6-15 7407 Plumas Sierra Nevada. 3.3 miles southeast of east Quincy. Comment
  CAS-BOT-BC18364  Carex John Thomas Howell; Gordon H. True 1973-7-31 50083 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak. 2194 Comment
  CHSC113838  Carex abrupta Lowell Ahart 2014-8-31 19832 Plumas On the east side of Black Rock Creek. about 300 yards south 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
  JEPS106134  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11172 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
  JEPS115915  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16111 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  CAS-BOT-BC17844  Carex amplifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1638 Plumas Butterfly Botanical Area and VIcinity. Area north of Pond Reservoir. 1097 Comment
  CHSC53558  Carex amplifolia L. P. Janeway 1989-6-27 3403 Plumas Plumas National Forest. Along sides of moist springy shady area between Tomba Rd and hwy 70/89 just N of Jackson Cr; below Cromberg Spring. 1335 Comment
  CHSC56883  Carex amplifolia L. P. Janeway 1991-8-4 4118 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
  CAS-BOT-BC17927  Carex angustata A. A. Heller; P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  CAS-BOT-BC17935  Carex angustata John Thomas Howell 1960-7-19 35644 Plumas Lassen Volcanic National Park. Drakesbad. Near hot springs. 1828 Comment
  CHSC105961  Carex angustata Lowell Ahart 2010-9-9 17143 Plumas Large colony around and under fir trees, on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  JEPS49035  Carex angustata Leland S. Smith 1927-8-10 2176 Plumas Gold Lake Tahoe National Forest Comment
  CAS-BOT-BC19725  Carex athrostachya John Thomas Howell 1951-6-27 27591 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  UC1133322  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Valley 1524 Comment
  UC822940  Carex athrostachya Lewis S. Rose 1932-9-5 32617 Plumas Jamison Lake Comment
  RSA122795  Carex athrostachya H. S. Yates 1936-8-12 6090 Plumas Lake Almanor. 1341 Comment
  RSA98025  Carex athrostachya C. R. Quick 1952-9-5 52 -298 Plumas Northwest of Almanor. Comment
  CAS-BOT-BC19133  Carex aurea Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1669 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  CHSC43004  Carex aurea L. P. Janeway; B. Castro 1987-7-17 2487 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  CHSC56884  Carex aurea L. P. Janeway; Garrett Gibson 1991-8-2 4100 Plumas Plumas National Forest. Meadow stringer along Humbug Creek; southeast flank of Smith Peak. 1828 Comment
  CAS-BOT-BC19524  Carex bolanderi John Thomas Howell 1962-6-17 37649 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  CHSC63189  Carex bolanderi Lowell Ahart 1994-6-17 7358 Plumas Near the edges of a small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC67857  Carex bolanderi James D. Jokerst 1985-6-10 2408 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC97414  Carex bolanderi Robert Fischer 2006-7-2 1033 Plumas Buckslake. Between Oroville and Buckslake, off Hwy. 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  SEINET7552658 Image available Carex brainerdii Lewis S. Rose 1967-5-8 67074 Plumas Rodgers Flat, North Fork, Feather River. 610 Comment
  CHSC108047  Carex canescens Tim Hanson 2011-10-3 Plumas Northern High Sierra Nevada. Plumas National Forest; above an un-named western arm of Black Rock Creek 0.8 stream miles from where it enters Little Grass Valley Reservoir (and joins Black Rock Creek). In south-facing wet meadow on the north side of an old roadbed (closed); also growing in dense masses along the upslope bank of the road. 1645 Comment
  CHSC117447  Carex canescens subsp. canescens Lowell Ahart 2016-6-29 21078 Plumas About 20 yards east of Forest Service Road 22N72, about 1/4 mile sourtheast of Table Mountain, about 1 3/4 miles (air) northwest of Tamarack Flat, about 3 3/4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1760 Comment
  CAS-BOT-BC34407  Carex cusickii John Thomas Howell 1967-6-23 42711 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  UC570209  Carex douglasii E. Sawyer 1935-7-12 286 Plumas 3 1/2 mi e Beckwith Butte; Sierraville Quadrangle 1493 Comment
  UC830148  Carex douglasii Alice Eastwood 1918-5-25 6998 Plumas Portola Comment
  JEPS103543  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, ca 100 yards N of the gravel road, near a small branch of Coldwater Creek, ca 3/4 mile SW of Grizzly Mountain, ca 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  CHSC53522  Carex feta Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  CHSC95061  Carex filifolia var. erostrata L. P. Janeway; B. Castro 2006-6-14 8691 Plumas Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynolds Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  UC1133356  Carex filifolia var. erostrata E. Sawyer 1935-6-22 21 Plumas 3/4 mi sw Beckwith City; Sierraville Quadrangle Comment
  CAS-BOT-BC20691  Carex fracta John Thomas Howell 1960-7-20 35710 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20696  Carex fracta John Thomas Howell 1951-6-27 27608 Plumas Sierra Nevada. Jamison Creek. 1950 Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC94145  Carex fracta Lowell Ahart 2006-7-3 12902 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, about 1/4 mile north of Lumpkin Ridge Road, near the southwest edge of a dry open basalt flat with scattered trees. 1527 Comment
  RSA97923  Carex fracta J. T. Howell 1951-6-28 27650 Plumas Johnsville 1585 Comment
  SEINET7590140 Image available Carex fracta John Thomas Howell 1960-7-19 35676 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  JEPS28347  Carex hassei George W. Gillett 1957-7-19 847 Plumas rivulet near very large spring on trail to Sifford Lakes (above Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  SD130383  Carex hassei John Thomas Howell 1962-6-16 37641 Plumas Sierra Nevada, Feather River North Fork on road to Caribou 730 Comment
  CAS-BOT-BC21974  Carex heteroneura Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 miles NW of Pilot Peak. 1800 Comment
  RSA0035344  Carex heteroneura Lowell Ahart 2012-9-5 18435 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast, of La Porte. 1889 Comment
  UC943023  Carex hoodii Lewis S. Rose 1951-6-27 51025 Plumas Johnsville 1600 Comment
  CAS-BOT-BC7552  Carex infirminervia John Thomas Howell 1951-6-27 27589 Plumas McRae Meadow 1981 Comment
  CAS-BOT-BC7742  Carex integra John Thomas Howell 1951-6-27 27591 A Plumas McRae Meadow. 1981 Comment
  CHSC77169  Carex integra G. Douglas Barbe; T. C. Fuller 1982-6-16 3788 Plumas Plumas National Forest. In marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC65492  Carex jonesii L. P. Janeway 1995-8-4 4887 Plumas About 0.8 mi NE of Dixie Mountain Lookout; small spring at uppermost crossing of Lookout Creek by road 25N03. 2126 Comment
  CHSC47353  Carex jonesii L. P. Janeway 1989-6-22 3371 Plumas Plumas National Forest. Slopes between Crocker Mtn. and Crocker Mdw along rd 24N49Y. 1767 Comment
  CHSC65597  Carex jonesii L. P. Janeway 1995-7-23 4871 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
  UC2015874  Carex jonesii Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4398 Plumas Lassen Volcanic National Park. Wet meadow below Drakesbad; logging area. Comment
  JEPS116646  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Lowers end of Rock Isand Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road Soapstone Hill; Northen High Sierra Nevada 1526 Comment
  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
  SEINET10916824  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3679 Plumas T29N R5E se/nw/S6, Red Fir Forest. Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Occasional sedge which forms small tufts on the edge of a floating sphagnum bog where it drops off into deep water; located on the ne side of the lake. 1676 Comment
  RSA201365  Carex lemmonii J. T. Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  SD130940  Carex lemmonii L. S. Rose 1967-6-12 67111 Plumas Sierra Nevada; Butterfly Valley. 1096 Comment
  SD130941  Carex lemmonii L. S. Rose 1967-6-10 67149 Plumas Sierra Nevada; Butterfly Valley. 1096 Comment
  CHSC44126  Carex limosa V. Oswald; L. Ahart 1988-8-4 3678 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  JEPS120536  Carex luzulina L. P. Janeway 2013-6-2 11123 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckthorn survey monument on the eastern end of Red Mountain. Comment
  CHSC96051  Carex mariposana L. P. Janeway 2006-9-9 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  CHSC78178  Carex mendocinensis Lowell Ahart 2000-5-21 8381 Plumas Near a small stream, on the west side of Caribou Road, about 4 miles (air) northeast of Belden. 853 Comment
  SEINET4292168 Image available Carex microptera Unknown 2000-1 6837 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CAS-BOT-BC32031  Carex multicaulis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville Comment
  CHSC46993  Carex multicaulis L. P. Janeway 1989-8-1 3543 Plumas Plumas National Forest. Southern side of Big Hill, between Eureka Ridge and Middle Fk Feather River. Near rd 23N36. 1584 Comment
  UCD108022  Carex multicostata Tim Kuhn 2006-6-28 67 Plumas north of Lake Davis at Old House Meadow. Comment
  CHSC52548  Carex nebrascensis L. P. Janeway 1989-6-29 3408 Plumas Plumas National Forest. Near head of Mapes Cyn; along the Beckwourth-Genesee Rd (rd 111) 4.9 mi N of Beckwourth. Small drying shady seep at Pappases Camp. 1767 Comment
  CHSC97528  Carex nebrascensis Lowell Ahart; John Dittes 2007-6-16 14133 Plumas Bottom of a small stream, meadow, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1100491  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-18 1378 Plumas just s Chester (at n end of Lake Almanor); Last Chance Marshes, Lake Almanor Comment
  CAS-BOT-BC119862  Carex nebrascensis L. P. Janeway 1991-8-4 4127 Plumas Grizzly Valley quad. Meadow along Rd 111 (Beckwourth-Genesee Rd), 1691 Comment
  CAS-BOT-BC119684  Carex nervina John Thomas Howell 1951-6-27 27614 Plumas Jamison Creek 1950 Comment
  JEPS107702  Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  SEINET4231858 Image available Carex pachycarpa L. Ahart, Dittes, J; Guardino, J 2009-1 16108 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  CDA33128  Carex pachystachya 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. Comment
  SEINET8989729 Image available Carex pachystachya L. Ahart, Guardino, J 2005-1 12256 Plumas 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. Yellow Pine Forest. Comment
  CAS-BOT-BC119012  Carex pellita D. H. Esplin; R. K. Gierisch 1968-10-3 5 Plumas Crocker Guard Station horse pasture. 1737 Comment
  CHSC35944  Carex praegracilis M. S. Taylor 1982-6-14 4657 Plumas In wet Poineery Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 1536 Comment
  CAS-BOT-BC118611  Carex raynoldsii E. K. Balls 1950-9-1 15613 Plumas East of Long Lake in meadow leading down to smaller lakes, Southern county 2133 Comment
  CAS-BOT-BC118125  Carex rossii John Thomas Howell 1961-6-21 36635 Plumas Greenville 1097 Comment
  CAS-BOT-BC118130  Carex rossii John Thomas Howell 1960-7-22 35913 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CHSC96330  Carex rossii L. P. Janeway; B. Castro 2006-9-9 8878 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  CHSC111166  Carex scabriuscula Lowell Ahart 2012-7-1 18262 Plumas On the east side of the dirt road to the large pipe,about 1/4 miles east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  CAS-BOT-BC117522  Carex sheldonii L. P. Janeway 1992-6-4 4216 Plumas Wet area adjacent to Bonta Creek in wooded pasture between Mohawk Ranger Station barracks 1318 Comment
  CHSC47354  Carex sheldonii L. P. Janeway; Jim Battagin, Stacy Scott 1989-7-6 3453 Plumas Plumas National Forest. Along Red Clover Cr in Red Clover Valley; 1.5 mi W of the Clover Valley Ranch bldgs along the Beckwourth-Genesee Rd (rd 111) (12.5 mi from Beckwourth), then 0.6 mi N along fenceline to creek. 1652 Comment
  CHSC76251  Carex sheldonii G. L. Ponting 1999-8-28 Plumas About 1.5 mi west-southwest of Portola. South of the railroad tracks on hummocks in seasonally wet meadow. 1487 Comment
  JEPS113708  Carex sheldonii Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14464 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  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
  CAS-BOT-BC117736  Carex simulata George Wilson Gillett 1957-7-18 836 Plumas Willow Lake, marsh at N end. 1661 Comment
  SEINET4290223  Carex specifica L. Ahart, Dittes, J; Guardino, J 2009-1 16207 Plumas South side of Forest Road 26N67F3, 1.2 miles (Air) northeast, of Rush Creek Hill, 2.6 miles (air) east- southeast of Caribou Powerhouse. Comment
  CAS-BOT-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CDA17812  Carex subfusca G. D. 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
  CDA17814  Carex subfusca G. D. Barbe, J. T. Howell (54237 at CAS) & T. C. Fuller 1981-6-24 3224 Plumas Rhinehart Meadow at 1.0 mile S of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). 1676 Comment
  CHSC84896  Carex subfusca L. P. Janeway; B. Castro 2003-9-6 7980 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  UCD141162  Carex subfusca Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. Comment
  UC2015891  Carex subfusca Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-1 4407 Plumas Lassen Volcanic National Park. Lower Drakesbad meadow. Comment
  SEINET10751196  Carex teneriformis Thomas 1981-6-25 Thomas 54313 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville. 1219 Comment
  UCD108056  Carex utriculata Tim Kuhn 2005-1 88 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC115406  Carex utriculata John Thomas Howell 1960-7-21 3579 D Plumas Wet meadow, Drakesbad. 1828 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
  SEINET10466857  Carex vesicaria Mary Susan Taylor 1982-9-8 Taylor 5109 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  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
  CAS-BOT-BC114940  Carex whitneyi Mrs. H. C. Cantelow 1938-7-4 2278 Plumas Meadow at Drakesbad. Comment
  CHSC21725  Castilleja F. T. Griggs; A. Pass 1975-7-8 110 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC248953  Castilleja Francis W. Pennell 1940-6-10 25805 Plumas Route 89, east of Almanor 1493 Comment
  CAS-BOT-BC249010  Castilleja Clare B. Hardham 1975-8-2 20471 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC249711  Castilleja applegatei subsp. pinetorum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  CAS-BOT-BC249726  Castilleja applegatei subsp. pinetorum F. Thos. Griggs 1975-1-1 227 Plumas Bucks Lake Area Comment
  CAS-BOT-BC249733  Castilleja applegatei subsp. pinetorum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  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
  CHSC117483  Castilleja applegatei subsp. pinetorum Lowell Ahart 2016-6-29 21064 Plumas South slope of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  JEPS102614  Castilleja applegatei subsp. pinetorum Lowell Ahart 2001-7-17 8923 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  SBBG6731  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-8-15 8840 Plumas Plumas County [no specific locality] Comment
  SEINET13737138  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-15 8840 Plumas Near mouth of Little Grizzly Creek below Genessee. 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
  CHSC52832  Castilleja arachnoidea Rimo Bacigalupi; Aldo Bacigalupi 1952-8-19 3951 Plumas On slopes to the east of Long Lake. 2042 Comment
  JEPS80624  Castilleja lacera M. S. Taylor 1981-4-19 3931 Plumas ca 1 mi nw Prattville (ca 0.75 mi e of Hwy 89, sw side of Lake Almanor, between campground and road to Almanor); Lake Almanor, Almanor SW Quad. 1371 Comment
  UCSB16060  Castilleja lacera Breedlove, Dennis 1962-6-12 Plumas State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC254065  Castilleja miniata Anna Head 1921-8-5 s.n. Plumas Gold Lake Camp. Feather River Region 1981 Comment
  CHSC21668  Castilleja miniata D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS114  Castilleja miniata W. L. Jepson 1939-7-31 19317 Plumas 2 mi from Spanish Peak summit; Spanish Peak 2042 Comment
  UC174718  Castilleja miniata A. A. Heller and P. B. Kennedy 1907-7-9 8788 Plumas Prattville 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
  JEPS24249  Castilleja miniata Helen-Mar Beard 1960-6-20 Plumas ca 2 mi nw Virgilia station on W.P. Railway (along dirt road up Rich Gulch to Red Hill Lookout, ca 1 mi n of its lower end at U.S. Highway 40-A); Rich Gulch 1005 Comment
  SD7127  Castilleja miniata none given July 1926 Plumas Big Spring, Big Meadows Comment
  CHSC115771  Castilleja miniata subsp. miniata Lowell Ahart; John Deurloo 2015-8-25 20523 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  JEPS123960  Castilleja miniata subsp. miniata Lowell Ahart 2015-7-4 20286 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC241040  Castilleja pilosa Robert J. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse, Lakes Basin Area 1981 Comment
  POM297715  Castilleja psittacina A. A. Heller, P. B. Kennedy 1907-7-5 8747 Plumas Red Clover valley Comment
  CHSC110600  Castilleja tenuis B. Castro; L. P. Janeway 2006-6-14 1564 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, in area of eroded gullies within 50 m of W edge of creek, ca 400 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  JEPS106309  Castilleja tenuis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11052 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  SEINET13946231 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8289 Plumas near Sierra Co. Line and Gold Lake road 1829 Comment
  CDA13392  Ceanothus X lorenzenii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13241 Plumas Sierra Nevada; Side of access road along Bull Run Creek off USFS 23N12E. Comment
  RSA121654  Ceanothus X lorenzenii E. Sawyer 1935-7-8 273 Plumas 4.25 miles N of Hawks, Sierraville. 1799 Comment
  CAS-BOT-BC48712  Ceanothus cordulatus Anna Head 1921-7-11 s.n. Plumas near top of Indian Pk, Feather River Region 2133 Comment
  RSA605316  Ceanothus cordulatus Louis C. Wheeler 1952-9-24 6958 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  SEINET11182774  Ceanothus cordulatus W. Harnach, N. Harnach 1990-6-27 416 Plumas Sierra Valley. W of Beckwourth, Ramelli Ranch (USFS), so of R/R. 1554 Comment
  OBI3009  Ceanothus integerrimus Lewis S. Rose 1968-6-11 68097 Plumas Near Keddie; confluence of Butterfly crk and Spanish crk 975 Comment
  UC963886  Ceanothus integerrimus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on Yellow Creek Feather River Canyon (Beldon) Comment
  CAS-BOT-BC51043  Ceanothus integerrimus var. macrothyrsus Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  UC79984  Ceanothus lemmonii J. G. Lemmon 1874-1 Plumas 5 mi s Quincy; American Valley Comment
  CAS-BOT-BC63328  Ceanothus prostratus Ella Dales Cantelow 1939-5-19 4282 Plumas 10.5 mi. w. of Bucks Lake. Comment
  CAS-BOT-BC63334  Ceanothus prostratus Doris Kildale Gillespie 1930-5-12 9313 Plumas 2 mi. e. of Chester. Comment
  CAS-BOT-BC63374  Ceanothus prostratus David D. Keck 1932-7-3 1649 Plumas Quincy. On mountain slope to/south of town in spruce forest. 1219 Comment
  UC586941  Ceanothus prostratus Joseph Andorfer Ewan 1934-6-25 8196 Plumas Gold Lake Road Sierra Nevada, Gold Lake Road 1524 Comment
  UCD112671  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak. Comment
  UCD23355  Ceanothus prostratus E. W. Jameson 1949-4-25 s.n. Plumas Expt. Station, 4 mi. north of Quincy. 1066 Comment
  CHSC52951  Ceanothus prostratus var. laxus L. P. Janeway 1989-6-20 3351 Plumas East facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  CAS-BOT-BC52165  Ceanothus pumilus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2463 Plumas Across road from Overnight Camp 1097 Comment
  SD7226  Ceanothus velutinus Daniel Cleveland 1884-6-6 Plumas Big Meadows Comment
  SD7227  Ceanothus velutinus Mrs. R. M. Austin June 1882 Plumas Big Meadows Comment
  CAS-BOT-BC63183  Ceanothus velutinus var. velutinus George W. Gillett 1957-7-23 892 Plumas Summit of Mt. Harkness. Lassen Volcanic National Park. 2446 Comment
  CAS-BOT-BC272087  Centaurea cyanus John Thomas Howell 1961-6-21 36654 Plumas Greenville, Sierra Nevada 1097 Comment
  RSA739698  Centaurea cyanus John Dittes, L. Ahart 2003-8-8 2003 -98 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 3.9 air-miles southeast of Beckwourth, 9.8 air-miles northeast of Calpine, ca. 0.8 mile south of Western Pacific Railroad, at disturbed edge of Dyson Lane. 1489 Comment
  CDA18992  Centaurea diffusa Jerry Hustafa 2000-9-14 PDR 1193561 Plumas Sierra Nevada; Along Hwy 70 right of way in the vicinity of Quincy. 0 Comment
  CAS-BOT-BC277044  Centaurea maculosa J. Budaj 1966-7-18 s.n. Plumas Near County Hospital, Quincy Comment
  CAS-BOT-BC384932  Cerastium arvense L. P. Janeway 1991-5-9 3927 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
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  CHSC20805  Ceratophyllum demersum K. R. Stern 1975-7-23 5842 Plumas On NW shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC276727  Chaenactis douglasii var. douglasii John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2174 Plumas Butterfly Botanical Area and Vicinity, mouth of Butterfly Creek 883 Comment
  UCD130278  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  CAS-BOT-BC276729  Chaenactis douglasii var. douglasii L. P. Janeway 1991-8-4 4133 Plumas Along Beckwourth-to-Laufman Road (near district boundary) on the W side of Dixie Creek 1676 Comment
  CHSC54398  Chamaesyce maculata Vernon H. Oswald 1991-6-12 4661 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  JEPS51922  Chamaesyce serpyllifolia W. L. Jepson 1939-8-7 18346 Plumas Meadow Valley Comment
  SEINET9442528  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1989-6-29 203 Plumas Sierra Valley, Approx 4 miles W of Vinton on Hwy 70, Hindoo Ranch. 1490 Comment
  CHSC66763  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1996-8-14 8176 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. Downhill side of the road. 1676 Comment
  JEPS43482  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1939-8-16 19446 Plumas near Quincy; Greenhorn Creek 1036 Comment
  CDA13573  Cheilanthes gracillima G. F. Hrusa, T. D. Wilfred 1996-8-23 13522 Plumas Sierra Nevada; Plumas Natl. Forest. of W side at summit of Lava Peak, N. of Hwy 70 about 15 m. E of Quincy. Comment
  SEINET4171891  Chenopodium atrovirens W. Harnach, N. Harnach 2000-8-23 989 Plumas 1 mile east of the intersection of Dyson Lane and County Road A-24, on Dyson Lane 1494 Comment
  CAS-BOT-BC460983  Chenopodium atrovirens John Thomas Howell 1960-7-22 35893 Plumas Lassen Volcanic National Park, Drakesbad, near soda spring 1828 Comment
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  CAS-BOT-BC494114  Chenopodium desiccatum W. Harnach; N. Harnach 2000-8-2 972 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CDA3114  Chenopodium pumilio J. T. Howell, G. H. True 1974-7-29 50629 Plumas Quincy. Comment
  CDA3087  Chenopodium strictum var. glaucophyllum J. T. Howell 1959-9-21 34812 Plumas Indian Creek Canyon. Comment
  CAS-BOT-BC451426  Chimaphila menziesii Walter Knight; Irja Knight 1966-6-18 1283 Plumas Butterfly Valley, near Darlingtonia Bog 1143 Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  UC1120942  Chimaphila menziesii D. Axelrod 1934-6-4 6 Plumas American House Plumas Nat'l Forest, Bidwell Bar Quad., American House Comment
  UC474271  Chimaphila menziesii H. F. Copeland 1920-7-17 89 Plumas between Plumas & Tehama counties Butt Mt. Comment
  JEPS58867  Chimaphila umbellata W. L. Jepson 1924-7-24 10634 Plumas Rich Point 914 Comment
  JEPS87859  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  CAS-BOT-BC452237  Chimaphila umbellata C. R. Quick 1953-8-1 53 -105 Plumas Lava flat west of Lake Almanor Comment
  CAS-BOT-BC452239  Chimaphila umbellata Alice Eastwood 1927-6-15 14599 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  RSA52868  Chimaphila umbellata subsp. occidentalis R. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy. 1220 Comment
  RSA262457  Chimaphila umbellata subsp. occidentalis James I. Mallory 1969-8-21 356 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of LaPorte, Plumas National Forest. 1524 Comment
  NY404148  Chorizanthe polygonoides var. polygonoides R. M. Austin 1880-1 s.n. Plumas Comment
  RSA201324  Chrysolepis sempervirens J. T. Howell 1960-7-20 35783 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  CDA10773  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2002-10-19 10003 Plumas On the south side of the dirt road, about 1/4 mile east of Humboldt Road, about 1 3/4 miles (air) northeast of Humboldt Summit. Comment
  RSA59447  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-2 15662 Plumas Mt. Ingalls, south slope below turn-off to Nye Meadow, north of Grizzly Valley 2134 Comment
  RSA718506  Chrysothamnus nauseosus subsp. albicaulis L. P. Janeway 2006-10-1 8896 Plumas Northern High Sierra Nevada. Serpentine Canyon along Hwy. 70 and East Branch North Fork Feather River, about 3.5 road km west of Rich Gulch 792 Comment
  UCR143157  Chrysothamnus nauseosus subsp. albicaulis J. T. Howell 1960-8-20 s.n. Plumas Kelly Camp, near Drakesbad 1616 Comment
  SEINET3146295  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1950-8-4 15672 Plumas 4 mi. N of Quency; Feather Rv. Exper. Stat. 1219 Comment
  CAS-BOT-BC100815  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1959-9-25 35022 Plumas Summit of Beckwourth Pass 1588 Comment
  CHSC31226  Chrysothamnus viscidiflorus subsp. viscidiflorus M. S. Taylor 1980-10-8 3364 Plumas S side of Beckworth Rd ca. 1/4 mi se of its jct with Beckworth-Genesee Rd, ca. 10 mi e of Taylorsville. Comment
  UC595085  Chrysothamnus viscidiflorus subsp. viscidiflorus David D. Keck 1938-8-9 4902 Plumas 0.5 mi e of town Beckwith; Sierra Valley, Beckwith (Beckwourth) 1501 Comment
  JEPS112952  Cinna latifolia Dean W. Taylor 2001-8-1 17863 Plumas tributary to Hopkins Creek draining from Blue Nose Mountain. along Forest Road 23N10 near the junction with Forest Road 23N43Y 1493 Comment
  CAS-BOT-BC289624  Cirsium andersonii Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS107640  Cirsium andersonii Lowell Ahart, Josephine Guardino 2005-8-9 12274 Plumas North of a small drainage that runs into Fant Creek, about 200 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA128650  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road, just north of county line, 7.3 miles south of Vinton. Comment
  CHSC91704  Cirsium scariosum G. D. Barbe; T. C. Fuller 1982-6-17 3866 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of the north arm of the lake. 1706 Comment
  JEPS59201  Cirsium scariosum W. L. Jepson 1910-6-14 4128 Plumas Prattville 1310 Comment
  SD50703  Cirsium vulgare Darley F. Howe 1959-8-2 2781 Plumas Quincy 1064 Comment
  CAS-BOT-BC228900  Cistanthe umbellata Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  CAS-BOT-BC162587  Clarkia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54123 Plumas Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC162589  Clarkia Clare B. Hardham 1975-8-2 20469 a Plumas Black Mt. - Sierra Nevada 2133 Comment
  UC1552746  Clarkia gracilis Frederica Bowcutt 1985-6-6 549 Plumas about 15 air mi ne Quincy (1 mi of Drum Bridge, along Beckwourth Genesee Road) Comment
  SBBG18852  Clarkia lassenensis C. B. Hardham 1961-6-15 7421 Plumas E of Taylorsville, rd to Engel Mine Comment
  UC1071906  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 752 Plumas 7.8 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  RSA755317  Clarkia mildrediae subsp. mildrediae Samantha Hillaire 2008-6-9 1255 Plumas Plumas National Forest, Rock Creek area. Along powerlines and access roads. Comment
  CAS-BOT-BC164925  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  CAS-BOT-BC164930  Clarkia rhomboidea Robert J. Weatherby 1955-6-25 1542 Plumas Quincy Ranger Station U.S.F.S. 1066 Comment
  SEINET10870532  Clarkia rhomboidea Leslie D. Gottlieb 1987-8-22 Gottlieb 8756 Plumas Rt. 70, Paxton Bridge; on slopes on north side of river. Specimen grown in Genetics Department greenhouse, UC Davis, Fall 1987 from seeds collected Aug 22, 1987. Comment
  SEINET10689280  Clarkia stellata Nancy R. Morin Morin 275 Plumas Campground, vicinity of Greenville. Comment
  CAS-BOT-BC439098  Claytonia cordifolia David D. Keck 1932-7-3 1700 Plumas Quincy, in the Northern Sierra Nevada. Water supply canyon to the left hand just south of town. 1065 Comment
  CAS-BOT-BC451737  Claytonia lanceolata G. Schoolcraft 1989-7-3 1943 Plumas Diamond Mtns. between Diamond & Red Rock peaks. Comment
  CHSC35923  Claytonia lanceolata M. S. Taylor 1982-5-17 4458 Plumas Rocky Sagebrush Scrub with seep, s side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 1828 Comment
  CHSC46723  Claytonia lanceolata Lowell Ahart 1975-6-26 813 Plumas Near the South Fork of the Feather River, about 1 mile north-east of Little Grass Valley Reservoir. 1828 Comment
  RSA0080494  Claytonia lanceolata M. Canby 1929-5-5 128 Plumas 15 mi. west of Portola. Comment
  CAS-BOT-BC443708  Claytonia rubra L. P. Janeway 1992-5-6 4156 Plumas Plumas National Forest, Beckwourth Ranger District. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  CHSC20745  Claytonia rubra subsp. rubra K. R. Stern 1975-7-24 5883 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC21217  Claytonia rubra subsp. rubra F. T. Griggs; A. Pass 1975-7-17 145 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33621  Claytonia rubra subsp. rubra M. S. Taylor; M. Foster 1981-6-3 3847 Plumas W side of 24N10, in sandy dry soils in shade of Pinus ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  CHSC52528  Claytonia rubra subsp. rubra L. P. Janeway 1990-6-19 3723 Plumas Plumas National Forest. Beckwourth Ranger District. Rattlesnake Compartment. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  SEINET10536030  Clematis lasiantha John G. Lemmon Lemmon s.n. Plumas Comment
  JEPS103572  Clintonia uniflora Lowell Ahart 2002-7-2 9830 Plumas On the S side of Forest Road 22N94, ca 75 yards W of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1577 Comment
  CHSC91618  Collinsia parviflora G. Douglas Barbe; T. C. Fuller 1982-7-16 3763 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
  SBBG6873  Collinsia parviflora H. and M. Dearing 1939-5-9 3317 Plumas near Blairsden on Sierra City Rd Comment
  SEINET3840905  Collinsia parviflora G. Douglas Barbe, Thomas C. Fuller 1982-7-16 3763 Plumas Plumas National Forest, Lava Cap Ridge, 1.5 miles west of Wheeler Peak and one mile south of Beardsley Mine on forest road 3.8 miles south of Green Flat 1980 Comment
  UCR80892  Collinsia parviflora G. L. Webster 1992-5-17 7765 Plumas 2 mi SW of Grizzly Valley Dam 1738 Comment
  POM147052  Collinsia parviflora Alice Eastwood 1927-06 14920 Plumas On road from Chilcott, United States Forest Reserve Comment
  RSA101438  Collinsia parviflora R. Weatherby 1955-6-22 1541 Plumas Meadow near top of Spanish Peak. 2134 Comment
  HSC22975  Collinsia torreyi John Pratt 1970-6-30 56 Plumas Humboldt Summit Comment
  UCD123684  Collinsia torreyi W. R. Powell 1968-7-2 1590 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  JEPS113465  Collinsia torreyi var. wrightii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14006 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC33929  Collomia grandiflora M. S. Taylor 1981-7-6 3977 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcoot. 1920 Comment
  CHSC66764  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8180 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. In a meadow. 1615 Comment
  SJSU11436  Collomia grandiflora R. L. Hassur 1957-7-5 192 Plumas by L Almanor 4 mi E of Clear Cr 1386 Comment
  RSA74108  Collomia heterophylla Milo S. Baker 1952-5-27 12468 a Plumas Hiwy 24, Feather River Canyon, far below Belden, perhaps 20 mi, at drinking fountain on right side of Hwy (going down) Comment
  SEINET10869744  Collomia heterophylla Mary Susan Taylor 1982-5-13 Taylor 4434 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  CHSC46646  Collomia tinctoria Lowell Ahart 1989-7-2 6347 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  JEPS122108  Collomia tinctoria Lowell Ahart 2014-8-24 19753 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
  UC170960  Collomia tinctoria H. M. Hall 1912-7-11 9337 Plumas Mt. Elwell 2103 Comment
  UCD118260  Collomia tinctoria W. R. Powell 1968-7-2 1602 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  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
  CHSC34067  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-7-21 4081 Plumas NE corner of jct 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden on Hwy 70. 1371 Comment
  RSA88132  Cordylanthus tenuis subsp. tenuis J. T. Howell 1951-8-20 28224 Plumas Indian Valley. 1098 Comment
  SEINET10548994  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-8-20 Taylor 4229 Plumas California: T27N R9E sw1/4 of se1/4 sec 6. Almanor NE quad. Open serpen- tine barrens, at jct of roads 26N18, 26N92 and 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Green- ville. Plumas County. 5300 ft. 1615 Comment
  UC1409091  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, L. DeBuhr, and C. W. Tilforth 1972-9-20 42353 Plumas 2 mi n Quincy (along Hwy 70); Plumas National Forest 1097 Comment
  CHSC77062  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1996-8-9 5064 Plumas At eastern end of Red Mountain, about 2 mi south of Haskins Valley; on west side of Road 18 at junction with Road 23N69. 1792 Comment
  CAS-BOT-BC209427  Cornus nuttallii Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  CAS-BOT-BC209429  Cornus nuttallii Walter Knight; Irja Knight 1967-5-22 1813 Plumas Butterfly Botanical Area and Vicinity. Fern Glen 1112 Comment
  SEINET3161702  Cornus nuttallii E. K. Balls 1950-9-5 15677 Plumas main trail Thompson Creek, off La Porte road, off Hwy 24, E of Quincy 1524 Comment
  CAS-BOT-BC210300  Cornus sericea Anna Head 1920-1-1 s.n. Plumas Feather River Region Comment
  SD7622  Cornus sericea subsp. occidentalis R. M. Austin 1877-1 Plumas Mill Creek Comment
  RSA59421  Cornus stolonifera E. K. Balls 1950-9-7 15702 Plumas Lakes Center Public Campground. 2043 Comment
  UC1586445  Corydalis caseana subsp. caseana Vernon H. Oswald and Lowell Ahart 1991-7-30 4783 Plumas 5.2 mi. (odometer) n.e. of Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  UCD95117  Corydalis caseana subsp. caseana Dean Wm. Taylor 1974-10-1 5056 Plumas Jamison Creek drainage, above Jamison Lake drainage, ca. 3 miles south of Plumas-Eureka State Park. 2000 Comment
  CAS-BOT-BC401868  Corydalis caseana subsp. caseana Margaret Williams 1966-7-11 s.n. Plumas Jameson Creek, above Johnsville 1859 Comment
  UC120137  Corydalis caseana subsp. caseana D. Cleveland 1892-7-25 Plumas Big Meadows, Big Spring Comment
  UC120141  Corydalis caseana subsp. caseana D. Cleveland 1882-7-25 Plumas Big Spring Comment
  CAS-BOT-BC141571  Crataegus castlegarensis John Thomas Howell 1980-5-27 53605 Plumas Near Crescent Mills in southwestern end of Indian Valley - Sierra Nevada 1066 Comment
  CAS-BOT-BC148431  Crataegus suksdorfii John Thomas Howell 1961-9-23 36835 Plumas Indian Valley 1082 Comment
  CAS-BOT-BC290322  Crepis Gladys L. Smith 1976-6-7 4562 Plumas Balsam Flat, 20 miles east of Quincy, along Rte. 70 1524 Comment
  JEPS115230  Crepis acuminata Lowell Ahart, John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  CHSC106299  Crepis modocensis subsp. modocensis L. P. Janeway 2010-7-3 10077 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine +/- overlooking Middle Fork Feather River from the north. 1644 Comment
  CHSC48140  Crepis monticola Vernon Oswald 1984-7-5 1350 Plumas Pacific Crest Trail 1.3 mi e of Humboldt Summit. 2019 Comment
  UC346563  Crepis occidentalis subsp. conjuncta E. B. Babcock 1928-6-14 154 Plumas Gray Eagle Resort; gully near bath house Comment
  CAS-BOT-BC290782  Crepis occidentalis subsp. occidentalis L. W. Swift 1934-5-18 117 Plumas Sugar Loaf near Meadow View 1889 Comment
  CHSC80803  Crepis pleurocarpa Lowell Ahart 2001-7-19 8937 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  CAS-BOT-BC290856  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-6 2209 Plumas 2 mi. east of Meadow Valley on road to Quincy 1150 Comment
  SEINET10474589  Crepis pleurocarpa Mary Susan Taylor 1982-8-5 Taylor 4931 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 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
  SEINET4565719  Crypsis alopecuroides W. Harnach, N. Harnach 2000-8-2 965 Plumas Sierra Valley, 1.5 miles south of HWY 70 on A-23, 0.25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  CAS-BOT-BC190153  Crypsis vaginiflora John Thomas Howell 1959-9-26 35068 Plumas Sierra Nevada. Near Soda Spring, Feather River Canyon. Ca. 1.5 mile west of Belden. 682 Comment
  CAS-BOT-BC190199  Crypsis vaginiflora John Thomas Howell 1959-9-26 35058 Plumas Sierra Nevada. Near Virgilia. 838 Comment
  CHSC82561  Cryptantha affinis Lowell Ahart 2002-7-18 9870 Plumas Near a small meadow, on the north side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  UC1552752  Cryptantha affinis Frederica Bowcutt 1985-6-6 538 Plumas about 15 air mi ne Quincy (0.2 mi se of Drum Bridge, immed n of Red Clover Creek and Beckwourth Genesee Road); Plumas National Forest Comment
  SJSU11365  Cryptantha affinis J. W. Tilden 1958-6-29 1300 Plumas SW shore, Lake Almanor 1828 Comment
  SEINET8533752  Cryptantha flaccida A. A. Heller, P. B. Kennedy 1907-7-15 8853 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CDA13371  Cryptantha torreyana G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13220 Plumas Sierra Nevada; Intersect. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. 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
  CHSC97211  Cryptantha torreyana Lowell Ahart; Josephine Guardino 2007-7-20 14350 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  RSA201344  Cryptantha torreyana J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  CAS-BOT-BC70456  Cryptogramma acrostichoides Robert J. Weatherby 1950-8-11 1506 Plumas Trail to Silver Lake, Lakes Basin Area, North Sierra Nevada Mts. 1981 Comment
  CAS-BOT-BC80531  Cupressus bakeri M. S. Taylor; M. Foster 1981-8-13 4175 Plumas N & NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee 1981 Comment
  RSA769223  Cuscuta californica var. breviflora L. Ahart 2008-8-13 15190 Plumas North side of Kenzie Ravine, on east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 air miles northeast of La Porte. Comment
  CHSC74085  Cuscuta californica var. californica B. Castro; L. P. Janeway 1998-8-28 825 Plumas Ca 1 air mi NW of Little Grass Valley Reservoir, at jcn of Lumpkin Ridge Road (USFS Rd 22N27) and Rd 23N94, on N side of intersection. 1737 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
  JEPS116103  Cuscuta subinclusa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16247 Plumas Growing on Ceanothus integerrimus, on the west side of Forest Service Road 26N22, 1.2 miles (air) east of Seneca 1517 Comment
  RSA795988  Cusickiella douglasii J. R. Shevock 1985-5-19 11166 Plumas Plumas National Forest, along forest road 28N01 at Dixie valley, 11.6 mi NW of Frenchman Reservoir. 1900 Comment
  CHSC36215  Cycladenia humilis var. humilis M. S. Taylor 1982-7-14 4827 Plumas Both sides of Soda Creek Rd just s of Onion Flat turnoff, ca. 4 mi n of Twain. 1615 Comment
  UCD144320  Cynoglossum occidentale G. F. Hrusa; T. D. Wilfred 1996-8-1 13412 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  CHSC69522  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CHSC33878  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas Ca. 50 to 100 ft up and s of Buckhorn Creek, ca. 2 ... Field redacted by CHSC, contact the data manager for more information 1584 Comment
  SEINET10470086  Cypripedium fasciculatum Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4020 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-BC136516  Cypripedium montanum Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1565 Plumas Field redacted by CAS, contact the data manager for more information 1066 Comment
  CHSC21805  Cystopteris fragilis F. T. Griggs; A. Pass 1975-7-8 101 Plumas Buck's Lake Forest Service Survey. Comment
  SJSU12123  Damasonium californicum N. A. Hopkins 1971-6-19 407 Plumas 5 mi SE of Beckwourth, Sierra Valley 1371 Comment
  CAS-BOT-BC445533  Damasonium californicum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SJSU9716  Damasonium californicum C. W. Sharsmith 1982-5-30 8674 Plumas 2 mi E of Marble Hot Springs, Sierra Valley 1524 Comment
  UC711960  Damasonium californicum Roxana S. Ferris and Laura Lorraine 1941-8-9 10435 Plumas ca. 2 1/2 mi. from Lake Almanor Public Camp (State Hwy. #89 on rd. to Chester) Comment
  CAS-BOT-BC189667  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1640 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC189669  Danthonia californica Clarence R. Quick 1966-7-7 66 -40 Plumas Up Cottonwood Creek from crossing, ca. 3 m. south of west end of Humbug Valley. 1402 Comment
  RSA699248  Danthonia californica var. californica L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11006 Plumas near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  CAS-BOT-BC192346  Danthonia unispicata Mary S. Clemens 1920-7-3 4 Plumas Greenville Comment
  CAS-BOT-BC76204  Darlingtonia californica Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy. Comment
  RSA422678  Darlingtonia californica Bonnie C. Templeton 1967-4-23 10744 Plumas Butterfly Valley, near Quincy 1067 Comment
  SJSU4490  Darlingtonia californica Lewis S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  UC1127099  Darlingtonia californica A. E. Wieslander 1927-7-7 8 Plumas Feather River Experiment Station Downieville Quadrangle 1066 Comment
  UC115308  Darlingtonia californica Mrs. R. M. Austin 1874-5 306 Plumas Cold Springs Butterfly Valley Comment
  RSA0021441  Darlingtonia californica Dorothy Davis 1923-08 s.n. Plumas Near Feather River 1829 Comment
  SEINET10480121  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5034 Plumas T25N R9E sw/sw sec 18. Almanor SE quad. Under PG&E wire between dirt rd and Feather River, in seep on slope ca. 1/4 mi n of Dutch Creek, ca. 0.5 mi ne of Twain. Riparian; 2800 ft. 853 Comment
  SEINET10480123  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5041 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
  CHSC87868  Delphinium depauperatum Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11062 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
  CAS-BOT-BC8916  Delphinium depauperatum Jean Pawek 1956-5-21 54 Plumas Highway 40, near Highway 89 junction 914 Comment
  UC1126009  Delphinium nudicaule E. Sawyer 1935-5-22 29 Plumas 1 1/4 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quadrangle 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
  CAS-BOT-BC116098  Delphinium nuttallianum D. E. Breedlove 1962-6-12 3440 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CAS-BOT-BC116106  Delphinium nuttallianum A. A. Heller 1940-5-22 15660 Plumas Near the Feather River just west of Chester 1304 Comment
  CAS-BOT-BC116122  Delphinium nuttallianum Lowell Ahart 1989-7-2 6357 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 2103 Comment
  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
  UC726274  Delphinium nuttallianum A. A. Heller 1940-5-22 15660 Plumas near Feather River; Chester Comment
  SJSU15163  Delphinium polycladon N. Hopkins 1993-5-26 1722 Plumas Dyson Lane, NE corner of Sierra Valley Comment
  CHSC91595  Deschampsia cespitosa G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. 1158 Comment
  RSA60115  Deschampsia cespitosa E. K. Balls 1950-9-2 15640 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  CHSC75948  Deschampsia cespitosa subsp. cespitosa G. F. Hrusa 1996-8-2 13441 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Springline forming trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1850 Comment
  UC1100293  Deschampsia cespitosa subsp. cespitosa Malcolm A. Nobs and S. Galen Smith 1949-8-19 1435 Plumas bog & marsh at Butterfly Valley Butterfly Valley Comment
  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
  UCR123515  Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6862 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CDA19262  Deschampsia danthonioides G. D. Barbe, T. C. Fuller 1982-6-17 3848 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CHSC97171  Deschampsia danthonioides Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14025 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  POM198335  Deschampsia danthonioides H. S. Yates 1913-6-24 s.n. Plumas Massack Comment
  CAS-BOT-BC201897  Deschampsia elongata John Thomas Howell 1961-6-21 36685 Plumas Greenville 1097 Comment
  JEPS114827  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  CAS-BOT-BC43035  Descurainia incisa subsp. incisa John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50640 Plumas Sierra Nevada. Headwaters of Indian Creek southeast of Diamond Mountain. 2164 Comment
  JEPS121736  Descurainia pinnata subsp. intermedia B. Castro and L. P. Janeway 2009-6-7 1793 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek. Comment
  RSA104170  Dicentra formosa subsp. formosa R. M. Austin 1876-1 s.n. Plumas [No location data on label] Comment
  CHSC41424  Dicentra pauciflora Lowell Ahart 1986-6-4 5324 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CHSC41423  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CHSC57821  Dicentra uniflora Vernon H. Oswald 1992-5-5 4931 Plumas Lassen Volcanic National Park. Hot Springs Creek ca. 0.5 mi upstream from the park boundary, between Camp Kelley and Drakesbad. 1630 Comment
  SEINET8769425  Dicentra uniflora W. Harnach, N. Harnach 1990-4-13 256 Plumas Sierra Valley, Approx 0.25 N of Sierra/Plumas Co. line of Co. Rd. A-23, Barry Hill (McElroy on maps). 1615 Comment
  CAS-BOT-BC254472  Dichanthelium acuminatum subsp. acuminatum Robert J. Weatherby 1950-7-17 1467 Plumas Feather RIver Camp, 4 miles N of Quincy 1066 Comment
  CAS-BOT-BC242665  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  POM253055  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray s Flat along the Feather River Highway. 869 Comment
  UC333374  Dichelostemma multiflorum unknown Jun 1889 Plumas Mohawk Valley Comment
  UC569697  Dieteria canescens var. canescens C. W. Hanks 1934-8-30 61 Plumas 0.75 mi s Bald Peak; Sierraville Quad. 1676 Comment
  UC1037236  Dieteria canescens var. shastensis Leo Whitney 1934-8-29 3068 Plumas near Murdock Crossing (Plumas National Forest); Plumas National Forest 1920 Comment
  CAS-BOT-BC150482  Diplacus grandiflorus Ella Dales Cantelow 1940-5-12 4341 Plumas S.W. of Belden, N. fork Feather River Comment
  CHSC41143  Diplacus mephiticus J. D. Jokerst 1984-6-13 2048 Plumas Ca 2 air miles east of Peacock Point, south of Grizzly Cr, along USS road 26N08. 1432 Comment
  CHSC63276  Diplacus mephiticus Lowell Ahart 1994-6-15 7332 Plumas On the north side the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC66772  Diplacus mephiticus Vernon H. Oswald; Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Northern High Sierra Nevada. 1127 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CAS-BOT-BC151697  Diplacus torreyi George W. Gillett 1957-7-19 842 Plumas Slopes across from the Devils Kitchen, on trail to the Sifford Lakes - Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC151699  Diplacus torreyi Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CHSC88990  Disporum hookeri N. Mann; J. Sitts 1982-6-22 Plumas Plumas National Forest. On Oak Ridge. 701 Comment
  SEINET8564043  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  UC1001492  Dodecatheon hendersonii H. J. Thompson 1952-5-18 1535 Plumas 1.5 mi n Greenville (near Wolf Creek, se of Lake Almanor); se of Lake Almanor, n of Greenville nr Wolf Creek 1005 Comment
  CHSC36205  Downingia bacigalupii M. S. Taylor 1982-7-8 4793 Plumas On mud on s side of Feather River on Ramelli Ranch, ca. 1 mi sw of Beckwourth. 1487 Comment
  SJSU14210  Downingia bacigalupii N. A. Hopkins 1989-6-7 1522 Plumas Squaw Valley 1706 Comment
  SBBG30549  Downingia bicornuta D. Myrick 1968-6-19 1951 Plumas Hwy 89 W of Lake Almanor 1371 Comment
  CAS-BOT-BC41400  Draba verna John Thomas Howell 1976-4-2 51574 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CHSC37029  Draba verna var. verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather River s side, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  UC1124239  Draperia systyla D. Axelrod 1934-6-1 1 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  UC1485469  Drosera rotundifolia M. S. Taylor 1981-6-15 3906 Plumas n side of Bucks Lake Rd. 0.2 mi n Bucks Summit (ca 4 air mi sw of Meadow Valley); Bucks Lake quad. 1645 Comment
  CAS-BOT-BC401586  Drosera rotundifolia M. S. Taylor; H. Swanson 1982-8-11 4975 Plumas Beaver trail at s end of Jamison Creek Campground, Plumas-Eureka State Park, ca. 2 mi sw of Johnsville 1712 Comment
  UC1527284  Drymocallis lactea var. austiniae Lowell Ahart 1986-7-8 5350 Plumas about 1 mi nw Pilot Peak (about 14 mi ne of La Porte); nw of Pilot Peak, ne of La Porte 1981 Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  JEPS119950  Dysphania botrys Lowell Ahart 2012-9-5 18447 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 1/24 miles (air) northwest of La Porte. Comment
  JEPS122311  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  RSA59254  Echinochloa muricata var. microstachya E. K. Balls 1950-8-31 15550 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  JEPS120772  Elatine Lowell Ahart 2013-9-11 19023 -W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, about 15 air miles NE of Taylorsville. Comment
  CHSC81369  Elatine chilensis Lowell Ahart 2001-9-18 9288 Plumas Near Freeman Creek, on the strand of Lake Davis. 1758 Comment
  SD131007  Eleocharis Walter Knight, Irja Knight, John Thomas Howell 1966-7-28 1524 Plumas In profusion at north end of Pond Reservoir. 1096 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CHSC20772  Eleocharis acicularis K. R. Stern 1975-7-23 5863 Plumas NW shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC113511  Eleocharis bella John Thomas Howell 1961-9-22 36794 Plumas Wolf Creek, Greenville. 1088 Comment
  CHSC55568  Eleocharis bella L. P. Janeway 1989-7-7 3465 Plumas Plumas National Forest. Near Lava Spring, just off the NE side of Red Clover Valley. 1737 Comment
  CAS-BOT-BC113476  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville. 1097 Comment
  CAS-BOT-BC113502  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas Muddy islands in marsh, north edge of Taylorsville. 1097 Comment
  CAS-BOT-BC113384  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 17 Plumas Near Prattville, Lake Almanor Comment
  CHSC32863  Eleocharis macrostachya L. Ahart 1980-10-6 2680 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  JEPS113736  Eleocharis macrostachya Lowell Ahart, John Dittes 2007-6-17 14200 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CHSC94979  Eleocharis obtusa Lowell Ahart 2006-10-23 13487 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
  JEPS28327  Eleocharis palustris George W. Gillett 1957-7-18 827 Plumas Willow Lake, N shore Lassen Volcanic National Park 1661 Comment
  SEINET9084151  Eleocharis parishii L. Ahart 1997-9-11 7899 Plumas On the W edge of Caribou Road, on the W side of the North Fork of the Feather River, ca 1.8 mile S of mosquito Creek, ca 5 air miles NE of Belden. 792 Comment
  CAS-BOT-BC112079  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  SEINET4965096  Eleocharis torticulmis Unknown 2000-7-3 6874 Plumas Plumas County, Crescent Mills quad; Northern High Sierra Nevada, Butterfly Valley Botanical Area: Sweetwater Meadow Comment
  UC1561236  Elodea canadensis Barbara Ertter 1988-10-21 7998 Plumas 1.5 mi e Chester (e end of causeway, on Hwy 36, submerged in Lake Almanor, s of road); Lake Almanor 1341 Comment
  SEINET10501558  Elodea canadensis Mary Susan Taylor 1982-6-11 Taylor 4640 Plumas T28N R7E nw/se sec 5. Chester quad. S side of Hwy 36, w side of Lake Almanor, ca. 0.5 mi e of Chester. 4500 ft. 1372 Comment
  SEINET10501559  Elodea canadensis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4977 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  JEPS113649  Elymus elymoides subsp. californicus Lowell Ahart, John Dittes 2007-6-16 14143 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
  UC1133006  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-7-20 237 Plumas 2.4 mi se Chaparral Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
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Aug 28 2015
  CHSC112388  Elymus elymoides var. californicus L. P. Janeway 2014-6-23 11411 Plumas Northern High Sierra Nevada. Plumas National Forest; Secret Diggings Gravel Pit on Illinois Ridge, 2.0 air-km south of La Porte. 1476 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
  UCD62343  Elymus glaucus subsp. glaucus Beecher Crampton 1954-7-5 2042 Plumas Along Hwy 89, 1.5 miles north of Greenville. Comment
  CHSC108083  Elymus sierrae Lowell Ahart 2011-9-20 17681 Plumas On the northwest side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  UC1024662  Elymus trachycaulus Leo Whitney 1934-8-6 2187 Plumas ca 9 mi nw Portola (nw end of valley); Plumas National Forest, Big Grizzly Valley, Freeman Creek 1828 Comment
  UCD62665  Elymus trachycaulus R. Tofsrud 1949-6-1 Plumas Vicinity of Quincy. Comment
  UCD62713  Elymus trachycaulus John Thomas Howell 1960-7-18 35547 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC204406  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1955-7-1 30786 Plumas Vinton 1505 Comment
  CHSC102381  Elytrigia intermedia subsp. barbulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16131 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CAS-BOT-BC392226  Enemion stipitatum Vesta Holt 1935-3-19 s.n. Plumas Near Quincy Comment
  UCD96754  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-30 s.n. Plumas Rich Gulch. 1173 Comment
  SEINET11318857  Ephedra viridis W. Harnach, N. Harnach 1989-6-29 204 Plumas Sierra Valley, Beckwith Pass on the north side of Hwy. 70 1539 Comment
  CAS-BOT-BC165922  Epilobium Clare B. Hardham 1978-8-11 21775 Plumas About 5 miles southeast of Thompson Peak Comment
  CHSC99834  Epilobium brachycarpum Lowell Ahart 2008-8-14 15196 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 miles northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  SEINET12194588  Epilobium brevistylum L. Ahart, Ahart, P. 1985-1 5183 Plumas ca 4.5 mi NE of La Porte, Little Grass Valley Reservoir, where South Fork of Feather River flows in 1585 Comment
  CHSC101845  Epilobium campestre Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15875 Plumas About 1600 feet southwest of Lake Almanor Dam, in depressions made from mining. 1386 Comment
  CAS-BOT-BC171715  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 s.n. Plumas Feather River Canyon Comment
  CHSC20815  Epilobium ciliatum subsp. ciliatum K. R. Stern 1975-7-24 5829 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC21317  Epilobium ciliatum subsp. ciliatum F. T. Griggs; A. Pass 1975-7-29 265 Plumas Buck's Lake. Comment
  JEPS102795  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-9-18 9285 Plumas Near the edge of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  JEPS103348  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2002-7-18 9869 Plumas On the S side of a small upper branch of Fall R., ca 100 yds N of Lumpkin Ridge Rd, ca 1 mi (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  SEINET6637182 Image available Epilobium ciliatum subsp. ciliatum Clarissa Kimber 1962-1 230 Plumas Upper Butterfly Valley, 25 mi W turn off Hwy 89-US 40 alt. 1 mi S of Keddie; Greenville Quadrangle 1158 Comment
  RSA59252  Epilobium ciliatum subsp. ciliatum E. K. Balls 1950-8-31 15541 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  CHSC21329  Epilobium ciliatum subsp. glandulosum F. T. Griggs; A. Pass 1975-8-1 286 Plumas Lower Bucks Lake. Comment
  CHSC65343  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1995-10-1 7650 Plumas On the bottom of a pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC81803  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-16 9371 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC91937  Epilobium ciliatum subsp. glandulosum Lowell Ahart; Josephine Guardino 2005-8-9 12286 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS102567  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-16 9371 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS113587  Epilobium ciliatum subsp. glandulosum Lowell Ahart, Josephine Guardino 2007-7-20 14345 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SJSU13873  Epilobium ciliatum subsp. glandulosum N. A. Hopkins 1985-8-27 1320 Plumas Grass L 1786 Comment
  CHSC54407  Epilobium hornemannii subsp. hornemannii Vernon H. Oswald 1991-7-8 4705 Plumas Lassen Volcanic National Park. Meadow on the northwest side of Willow Lake, just north of the park boundary. Forest edge near the west gate in the park boundary fence. 1676 Comment
  UC1552726  Epilobium minutum Frederica Bowcutt 1985-6-6 554 Plumas along Beckwourth Genessee Rd 1 mi from Drum Bridge (about 15 air mi ne of Quincy); Plumas National Forest Comment
  RSA77993  Epilobium minutum Verne Grant, Alva Grant 1948-6-13 8583 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  UC932082  Epilobium minutum Verne Grant and Alva Grant 1948-6-13 8583 Plumas 1 mi from Cascade (on road to Oroville); Lava Cap Comment
  UC1586464  Epilobium oregonense Vernon H. Oswald and Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd 5.2 (odometer) mi ne of Humbug summit (between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  UC429342  Epipactis gigantea Mrs. R. M. Austin July 1878 300 Plumas Mt. Dyer Comment
  JEPS88065  Equisetum arvense Lowell Ahart 1995-6-28 7686 Plumas ca. 5 mi (air) n of La Porte (ca. 1 mi ne Little Grass Valley Reservoir, ca. 1/2 mi sw of Feather Fork Mine); S. Fork Feather River 1828 Comment
  SEINET10896358  Equisetum arvense Patricia L. Kenney 1973-6-5 Kenney 429 Plumas Collected along a stream along Hwy 70, 6 mi S from jct of Hwy 89 & 70. Douglas fir and yellow pine. 1067 Comment
  CAS-BOT-BC57404  Equisetum laevigatum Alice Eastwood 1918-5-25 7066 Plumas Portola Comment
  CHSC108037  Equisetum laevigatum L. P. Janeway; B. Castro 2011-10-2 10760 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. Only seen at one shaded area at the bottom edge of the soggy meadow. 1542 Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC57513  Equisetum telmateia John Thomas Howell; Gordon H. True 1969-4-8 45485 Plumas Feather River Canyon at Storrie 548 Comment
  CAS-BOT-BC204441  Eragrostis cilianensis John Thomas Howell 1959-9-21 34723 Plumas Belden 701 Comment
  CAS-BOT-BC284069  Eragrostis pectinacea var. pectinacea Lowell Ahart 1981-9-6 3107 Plumas 1 1/2 miles SW of Crescent Mills, Sierra Nevada 1200 Comment
  CAS-BOT-BC174155  Eremogone aculeata L. P. Janeway 1989-6-16 3328 Plumas Northeast slope of Crocker Mtn facing the SE end of Red Clover Valley 1828 Comment
  CHSC92522  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1225 Plumas Near Lower Buck's Lake. UTM 10 S 0647547, 4417976 NAD 1983. 1524 Comment
  OBI19554  Eremogone congesta var. congesta Lewis S. Rose 1967-7-12 67172 Plumas 1 mi S of Keddie; Butterfly Crk and Spanish Crk 884 Comment
  CAS-BOT-BC174364  Eremogone kingii var. glabrescens Lewis S. Rose 1963-6-4 63127 Plumas Sierra Valley, 2 mi. s. of Beckwourth 1463 Comment
  CAS-BOT-BC187911  Eriastrum signatum M. S. Taylor 1981-7-6 3983 Plumas N side of 25N31-Ross Canyon Road, 0.7 mile E of its junction with 28N01-Dixie Valley Road, ca. 16 air miles NW of Chilcoot 1798 Comment
  CHSC36880  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
  CHSC65484  Ericameria bloomeri L. P. Janeway 1995-9-19 4935 Plumas Along sides of dirt road on upper flank of southern tip of Crocker Mountain. 2194 Comment
  UC1118676  Ericameria bloomeri N. French 1934-11-16 555 Plumas 6 mi s Beckwith; Sierraville Quad. 1493 Comment
  JEPS116636  Ericameria nauseosa var. oreophila L. P. Janeway and Melanie Williams 2009-8-6 9909 Plumas Top of Ridge between Yellow Creek and North Fork Feather River, east of Yellow Creek Twain (5.5 km north-northeast of Belden.); Northern High Sierra Nevada 1461 Comment
  CAS-BOT-BC294283  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1499 Comment
  CAS-BOT-BC294291  Ericameria nauseosa var. speciosa John Thomas Howell 1974-9-20 50901 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CAS-BOT-BC299442  Ericameria nauseosa var. speciosa John Thomas Howell 1961-9-23 36877 Plumas Cooka Creek Road near Englemine, Sierra Nevada Comment
  CHSC44859  Ericameria nauseosa var. speciosa Lowell Ahart 1974-10-1 650 Plumas On the west part of Buzzards Roost Ridge, about 1 mile north of Onion Valley, north of Pilot Peak. 1981 Comment
  JEPS113427  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes 2007-8-9 14430 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  UCD131489  Ericameria nauseosa var. speciosa John Thomas Howell 1974-9-20 50902 Plumas near Spring Garden. 1158 Comment
  CHSC81094  Ericameria parryi var. latior Lowell Ahart 2001-8-28 9186 Plumas Along the sides of the dirt roads, along road C - Line of Roseburg Resources Company, 1/8 mile south of Highway 36 and 89 at sign of Roseburg Lumber Company, Almanor Tree Farm, A Producing Forest, about 5 miles (air) southwest of Chester. 1402 Comment
  CAS-BOT-BC293027  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34960 Plumas Near Blairsden 1341 Comment
  CAS-BOT-BC293029  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34961 Plumas Near Blairsden 1341 Comment
  CAS-BOT-BC294471  Erigeron bloomeri var. bloomeri John Thomas Howell 1962-6-18 37791 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC91771  Erigeron bloomeri var. bloomeri G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16318 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
  UC54107  Erigeron divergens H. M. Hall and E. B. Babcock 1903-7-1 Plumas Red Clover Creek 1097 Comment
  POM39863  Erigeron eatonii Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC112556  Erigeron eatonii var. plantagineus B. Castro; L. P. Janeway 2007-6-7 1637 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. Drying edge of moist meadow along NW arm of main channel, ca 300 ft NW of confluence at small rock dam on Thompson Creek, ca 400 ft below edge of Open Ponderosa-Jeffrey pine forest. 1673 Comment
  CAS-BOT-BC300400  Erigeron eatonii var. plantagineus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54347 Plumas 4.8 miles northwest of Antelope Reservoir 1661 Comment
  SEINET11844247  Erigeron eatonii var. plantagineus L. P. Janeway 1989-1 3383 Plumas upper slope overlooking Crocker Mdw from the E 1890 Comment
  CAS-BOT-BC295229  Erigeron inornatus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2160 Plumas Butterfly Botanical Area and vicinity. Confluence of Butterfly Creek 883 Comment
  CDA13370  Erigeron inornatus var. inornatus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13219 Plumas Sierra Nevada; Inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  CHSC80804  Erigeron inornatus var. inornatus Lowell Ahart 2001-7-17 8924 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS102587  Erigeron inornatus var. inornatus Lowell Ahart 2001-7-17 8924 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS114509  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-13 15165 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  OBI16537  Erigeron lassenianus Lewis S. Rose 1967-7-11 67160 Plumas Mt. Hough Rd, 2.5 mi NE of Quincy jctn 1250 Comment
  SEINET8667606 Image available Erigeron lassenianus A. A. Heller, P. B. Kennedy 1907-7-3 8704 Plumas Hills above Rec Clover valley Comment
  CHSC115898  Erigeron lassenianus var. deficiens L. P. Janeway 2015-7-29 11808 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CHSC44863  Erigeron lassenianus var. deficiens Lowell Ahart 1979-7-18 1989 Plumas Along Cleghorn Bar Road, about 2 air miles west of Pilot Peak, about 12 miles north of La Porte. 1645 Comment
  CHSC73930  Erigeron lassenianus var. deficiens B. Castro; L. Gehrung 1998-10-1 850 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just west of Pilot Peak and overlooking upper end of S Fork Feather River. On N side river's crossing of USFS Rd 22N60, NW of the Pacific Crest Trail, at upper end of open band of serpentine which runs in a NW direction from ctr of section. At W edge of band. 1990 Comment
  UC1731907  Erigeron lassenianus var. deficiens Glenn Clifton 1992-6-27 26859 Plumas Monitor Flat, Feather River Watershed Monitor Flat; , Feather River Watershed 1926 Comment
  CAS-BOT-BC295464  Erigeron lassenianus var. deficiens Wayne Dakan 1974-6-24 s.n. Plumas Long Valley Comment
  CAS-BOT-BC295492  Erigeron lassenianus var. lassenianus Lewis S. Rose 1966-7-26 66048 Plumas Butterfly Valley, 3 mi. w. of Keddie 1066 Comment
  CHSC58486  Erigeron lassenianus var. lassenianus Vernon H. Oswald 1992-7-3 5061 Plumas Lassen Volcanic Park. Eastern-most of three depressions and ponds on the SW side of Juniper Lake Rd. at the Lassen-Plumas county line. 2072 Comment
  RSA516610  Erigeron peregrinus R. C. Bacigalupi, Aldo Bacigalupi 1952-8-19 3950 Plumas Meadow at end of road and beginning of trail to Long Lake, Mt. Elwell region, about 1.5 miles N of Sierra County border 1982 Comment
  CHSC110374  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC69701  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1997-9-18 8878 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi northest of its junction with 26N26 (to Humbug Valley). 1335 Comment
  CHSC98710  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9189 Plumas Northern High Sierra Nevada. Above Road 24N31 about 0.8 air km east of Little Schneider Creek. 1402 Comment
  CHSC99970  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  JEPS119933  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A 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
  RSA724903  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 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
  UCD132042  Erigeron philadelphicus var. philadelphicus Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CAS-BOT-BC300123  Erigeron pumilus var. intermedius Thomas H. Kearney 1944-8-14 154 Plumas Near Prattville, Lake Almanor Comment
  SD132031  Erigeron sonnei Barbara Ertter, Gary Schoolcraft 1989-7-3 8651 Plumas Slope below Red Rock lookout, ca. 8 miles south of Susanville. Comment
  CHSC681  Eriodictyon californicum R. Carter 1964-5-16 92 Plumas Feather R. Canyon, 100 yds. N or RR trestle along dirt road along Rock Cr. 670 Comment
  SEINET10537782  Eriogonum Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3883 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  UC584322  Eriogonum douglasii var. meridionale G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2238 Plumas n Engelmine; Red Rock Comment
  SJSU15164  Eriogonum douglasii var. meridionale N. A. Hopkins 1993-6-16 1725 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  UCD169254  Eriogonum elatum S. L. Welsh; N. D. Atwood 2001-6-13 28136 Plumas W end of Dixie Valley, N of Beckwourth. 1711 Comment
  SD103524  Eriogonum elatum Darley Howe 1978-7-16 5079 Plumas Along State Highway 49, 3 miles north of Loyalton 1463 Comment
  RSA393294  Eriogonum elatum var. villosum Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  SEINET5330456  Eriogonum luteolum J. L. Reveal 1975-8-24 3976 Plumas Along California Highway 70 in Feather River Canyon, 3 miles east of Gold Bar Comment
  CAS-BOT-BC263725  Eriogonum luteolum var. pedunculatum A. A. Heller; P. B. Kennedy 1907-7-15 8851 Plumas Near mouth of Little Grizzly Crek below Genessee Comment
  CAS-BOT-BC267328  Eriogonum luteolum var. pedunculatum Mary Strong Clemens 1920-8-30 s.n. Plumas Greenville Comment
  RSA11908  Eriogonum marifolium Elmer I. Applegate 1929-6-21 5817 Plumas Kelly's Camp, Warner Valley, Mt. Lassen region Comment
  RSA766342  Eriogonum marifolium Joseph A. Ewan 1934-6-27 8268 Plumas Above Bear Lakes, Mt. Elwell region. Sierra Nevada. 1982 Comment
  UC174722  Eriogonum marifolium A. A. Heller with P. B. Kennedy 1907-7-3 8707 Plumas hills above Red Clover Valley 1676 Comment
  SEINET5330571  Eriogonum marifolium A. A. Heller, P. B. Kennedy 1907-7-3 8707 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC263297  Eriogonum marifolium var. marifolium Clare B. Hardham 1970-8-9 17716 II Plumas Road to Thompson Peak Lookout 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-BC263308  Eriogonum marifolium var. marifolium L. P. Janeway 1989-6-12 3294 Plumas Beckwourth Ranger District, Plumas National Forest. Forest along south side of Red Clover Valley 1706 Comment
  CAS-BOT-BC267402  Eriogonum microthecum Clare B. Hardham 1978-8-11 21792 Plumas About 5 miles southeast of Thompson Peak Comment
  SEINET10479458  Eriogonum nudum Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5194 Plumas Along the South Fork of the Feather River about 1/4 mile north of the Feather Fork Mine, about 6 miles north-east of La Porte. Comment
  CAS-BOT-BC264816  Eriogonum nudum var. deductum John Thomas Howell 1973-7-9 49720 Plumas Round Valley, Sierra Nevada 1371 Comment
  UCSC009457  Eriogonum nudum var. deductum Lowell Ahart 1994-10-19 7566 Plumas Near Boulder Creek, Granite Basin 1615 Comment
  CAS-BOT-BC261605  Eriogonum nudum var. nudum L. P. Janeway 1992-7-30 4297 Plumas Plumas National Forest, Beckwourth Ranger District. McRae Meadow; upper end of East Nelson Creek 1889 Comment
  JEPS56999  Eriogonum nudum var. nudum W. L. Jepson 1939-8-16 19442 Plumas near Jackson Creek; Middle Fork Feather River Comment
  CAS-BOT-BC269726  Eriogonum nudum var. oblongifolium Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1583 Plumas Butterfly Botanical Area and Vicinity. Near confluence of Spanish and Butterfly Creeks 1036 Comment
  CAS-BOT-BC269733  Eriogonum nudum var. oblongifolium John Thomas Howell 1962-6-17 37670 Plumas Butterfly Valley 1036 Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  SEINET252471  Eriogonum racemosum Leila M. Shultz, Heather Garrison 2006-1 20321 Plumas Between Quicy and Reno, ca. 2 miles west of Vinton on south-facing slope. 1513 Comment
  CAS-BOT-BC269947  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Side of Mt. Elwell, Lakes Basin Area 2225 Comment
  CAS-BOT-BC269949  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Side of Mt. Elwell, Lakes Basin Area 2225 Comment
  CAS-BOT-BC269952  Eriogonum spergulinum var. reddingianum A. A. Heller; P. B. Kennedy 1907-7-11 8801 Plumas Prattville Comment
  CAS-BOT-BC269960  Eriogonum spergulinum var. reddingianum Herbert L. Mason 1924-6-20 1080 Plumas Between Gold Lake & Bear Lake Comment
  POM147046  Eriogonum spergulinum var. reddingianum Alice Eastwood 1927-06 14888 Plumas On road from Chilcott, United States Forest Reserve Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  CAS-BOT-BC262781  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Beckwourth Ranger District, Plumas National Forest. Along rd 24N45 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111), 6.4 mi N of Beckwourth 1874 Comment
  SEINET10937586  Eriogonum umbellatum var. argus Mary Susan Taylor 1981-7-22 Taylor 4104 Plumas T24N R11E se/se sec 8, Spring Garden quad. In Red Fir Forest; ca. 1/4 mi NE of Argentine Lookout, ca. 5 air mi N of Spring Garden. 7100 ft elev. 2164 Comment
  CHSC99797  Eriogonum umbellatum var. modocense Lowell Ahart 2008-8-13 15192 Plumas On and around rocks. about 100 yards north of Kenzie Ravine and the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  CAS-BOT-BC262076  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC262080  Eriogonum umbellatum var. nevadense Alice Eastwood 1927-6-27 14876 Plumas United States Forest Reserve, Chilcott [Chilcoot] Comment
  NY399275  Eriogonum umbellatum var. nevadense A. A. Heller 1907-7-4 8716 Plumas Ridge east of Red Clover valley Comment
  POM203495  Eriogonum umbellatum var. nevadense L. S. Rose 1934-7-23 34420 Plumas Open flats Chilcoot Comment
  RSA726334  Eriogonum umbellatum var. nevadense L. Ahart, John Dittes 2007-8-9 14436 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2552 Comment
  CHSC67440  Eriogonum umbellatum var. polyanthum J. D. Jokerst 1984-9-22 2150 Plumas Adjacent to USFS road 26N26. (On ridge between the N Fork Feather River and Yellow Cr.) At top of steep slope of Yellow Creek, where road crosses over low saddle. 1463 Comment
  JEPS107630  Eriogonum umbellatum var. polyanthum Lowell Ahart, Josephine Guardino 2005-8-9 12288 Plumas North of Fant Creek, about 50 yards north 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
  JEPS113888  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-12 9161 Plumas Northern High Sierra Nevada; Ridgetop on N side of Oak Ridge, 1.4 air km N-NW of Grizzly Summit. 1743 Comment
  RSA724904  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-7-12 9161 Plumas Ridgetop on north side of Oak Ridge, 1.4 air km north-northwest of Grizzly Summit. Ridge top of shallow soil and rock outcrops (soapstone) dominated by huckleberry oak with scattered Jeffrey pine, incense cedar. 1743 Comment
  CAS-BOT-BC262241  Eriogonum ursinum Alice Rosenberg 1917-7-1 s.n. Plumas Feather River Comment
  UC77781  Eriogonum ursinum Mrs. R. M. Austin 1876-1 Plumas American Valley Comment
  CHSC117456  Eriogonum ursinum var. ursinum Lowell Ahart 2016-6-29 21081 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
  CHSC45372  Eriogonum ursinum var. ursinum Vernon Oswald 1986-7-10 2190 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC67378  Eriogonum ursinum var. ursinum J. D. Jokerst 1984-6-13 2055 Plumas On serpentine scree slopes at the very top of Yellow Cr Canyon where USFS rd 26N26 crosses over a ridgeline saddle at the S edge of Section 31. North of road. 1463 Comment
  JEPS104634  Eriogonum vimineum Lowell Ahart 2003-8-8 10485 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  RSA107091  Eriogonum vimineum L. S. Rose 1955-7-19 55145 Plumas Portola. 1479 Comment
  SEINET5332082  Eriogonum vimineum W. Harnach, N. Harnach 1991-6-29 591 Plumas Sierra Valley, 4 miles north of Loyalton, Ca on Co. rd. A-24 (6 mile road). 1490 Comment
  UC1032091  Eriogonum vimineum C. W. Hanks 1934-9-10 78 Plumas Upper end of Frenchman Valley Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC264120  Eriogonum vimineum Alice Eastwood 1927-6-27 14930 Plumas On road from Chilcoot, United States Forest Reserve Comment
  CAS-BOT-BC264135  Eriogonum vimineum John Thomas Howell 1951-6-29 27740 Plumas Near Spring Garden 1219 Comment
  RSA184933  Eriogonum vimineum L. S. Rose 1966-7-26 66046 Plumas Injun Jum Camp near Belden Open dry slopes 671 Comment
  UC1748292  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas 1.1 km NE of Maple Flat ( at head of an upper northern branch of Spanish Creek); Northern High Sierra Nevada 1609 Comment
  CAS-BOT-BC300954  Eriophyllum lanatum Clare B. Hardham 1978-8-11 21807 Plumas About 7 mi. se. of Antelope Reservoir Comment
  CHSC9720  Eriophyllum lanatum var. grandiflorum Nancy Mosman 1971-7-11 87 Plumas Along w side of Hwy 70 ca. 0.6 mi s of Belden. 1025 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
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  CDA13394  Eriophyllum lanatum var. integrifolium G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13243 Plumas Sierra Nevada; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  UC567194  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-14 104 Plumas 1 mi s of Sugarloaf; Sierraville Quadrangle 1524 Comment
  CHSC21537  Erysimum capitatum var. capitatum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CHSC81160  Erythranthe floribunda Lowell Ahart 2001-8-29 9262 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81628  Erythranthe floribunda Lowell Ahart 2001-10-8 9304 Plumas On the east side of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  CHSC21349  Erythranthe guttata F. T. Griggs; A. Pass 1975-7-8 97 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC63477  Erythranthe guttata Lowell Ahart 1994-7-28 7542 Plumas On the east side of small stream. North-east of Frenchman Hill, south-west of Buck's Lake. 1706 Comment
  CHSC97103  Erythranthe guttata Lowell Ahart; Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  CAS-BOT-BC153616  Erythranthe moniliformis M. Lavin 1982-6-27 4150 Plumas Sierra Buttes Country 4 mi up Gold Lake Rd from Graeagle, 12 mi. 250 deg. from Portola 1981 Comment
  CHSC64466  Erythranthe primuloides B. Castro 1994-9-8 545 Plumas Ca 1.2 air mi SE of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy on slope among Haskins Valley USFS Summer Home Tract cabins, where seeps and springs surface. 1627 Comment
  CAS-BOT-BC133261  Erythronium R. H. Boeker 1913-4-23 17 Plumas Plumas National Forest Comment
  CAS-BOT-BC505244  Erythronium grandiflorum G. Earle Kelley 1919-1-1 s. n. Plumas Salmon Lake Comment
  CHSC98342  Erythronium purpurascens L. P. Janeway 2007-6-3 9023 Plumas Northern High Sierra Nevada. Eastern high end of Red Mountain, along Road 23N69 about 1.6 km northwest of Road 18. Flat ridge top, open forest. 1929 Comment
  CHSC108717  Eucephalus breweri B. Castro; L. P. Janeway 2003-9-7 1455 A Plumas High Cascade Range. Caribou Wilderness Area, ca 0.6 mi NW of Hay Meadow and 0.4 mi NW of Indian Meadow, along E side of trail off S end of large unnamed wet meadow. Large plts scattered in one patch between trail and creek feeding Indian Meadow. 2017 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  SD46744  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area. 2285 Comment
  CAS-BOT-BC310542  Eurybia integrifolia John Thomas Howell 1960-7-21 35794 Plumas Lassen Volcanic National Park. Drakesbad 1828 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
  JEPS114521  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC310593  Eurybia radulina John Thomas Howell 1961-9-23 36817 Plumas Greenville 1088 Comment
  CAS-BOT-BC278848  Festuca occidentalis John Thomas Howell 1973-7-10 49750 Plumas Near Greenville 1097 Comment
  CDA34165  Festuca occidentalis L. Ahart, J. Dittes 2009-7-14 16063 Plumas On the east side Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  CHSC118814  Festuca occidentalis Wendy L. Boes; Jim Battagin 2015-5-12 2015 -02 Plumas Between Forest Service Road 25N18Y and Caribou Roadd, south of Northfork Campground. (UTM652180 E, 4433328 N, NAD83 Zone 10N; Elevation 792 m.) 792 Comment
  SEINET10869085  Festuca occidentalis Mary Susan Taylor 1982-6-21 Taylor 4703 Plumas T23N R10E se/sw sec 24 & ne/nw sec 25. Blue Nose Mt quad. S side of 23N39, ca. 1 air mi w of White Cap, ca. 4 air mi sw of Sloat. 5800 ft. 1768 Comment
  CAS-BOT-BC279019  Festuca rubra Clare B. Hardham 1970-8-8 17703 E Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC102388  Festuca rubra Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16124 Plumas Edge of a meadow or seep, 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
  CAS-BOT-BC278635  Festuca subulata John Thomas Howell 1960-7-19 35641 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC459441  Fragaria virginiana subsp. platypetala A. A. Heller; B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CAS-BOT-BC63010  Frangula californica subsp. crassifolia John Thomas Howell 1951-8-19 28167 Plumas Rich Bar. 792 Comment
  CAS-BOT-BC55667  Frangula purshiana A. A. Heller; P. B. Kennedy 1907-7-8 8825 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC55673  Frangula purshiana David D. Keck 1932-7-3 1647 Plumas Quincy, in the Northern Sierra Nevada 1188 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
  CHSC98748  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Northern High Sierra Nevada. Granite Basin, along Little North Fork Middle Fork Feather River near the Road 18 bridge. Riparian strip along edges of creek. 1381 Comment
  CHSC98920  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9200 Plumas Northern High Sierra Nevada. Along Squirrel Creek and Road 401 1.9 km northeast of Hwy 70/89 and Williams Loop (railroad). 1268 Comment
  JEPS114195  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-6-3 9024 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountains, near Road 23N69 0.7 mi northwest of the 18 Road. Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC53799  Frangula rubra subsp. rubra Alice Eastwood 1927-6-27 s.n. Plumas On road from Chilcatt Comment
  CAS-BOT-BC59582  Frangula rubra subsp. rubra John Thomas Howell 1973-7-9 49716 Plumas Sierra Nevada - Round Valley 1371 Comment
  SEINET8584497  Frasera albicaulis var. nitida A. A. Heller, P. B. Kennedy 1907-7-12 8820 Plumas Grade between Greenville and Prattville. 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
  UC429297  Fritillaria atropurpurea H. M. Hall 1912-7-7 9306 Plumas Sierra Nevada Mountains, Jameson Creek Jameson Creek; Sierra Nevada Mountains, Jameson Creek 1920 Comment
  JEPS61943  Fritillaria pudica Dr. Minor Apr. 1913 Plumas Mohawk Valley Comment
  SD46741  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake, Lakes Basin Area 2194 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
  JEPS95067  Galium bolanderi Vernon Oswald and Lowell Ahart 1997-9-18 8877 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.8 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  UCD40408  Galium bolanderi Rodney Gale Myatt 1971-6-13 745 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 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
  CHSC48882  Galium grayanum var. grayanum Vernon Oswald 1983-8-4 963 Plumas Humboldt Summit, 4.5 mi N-E of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC21666  Galium triflorum D. Brink; L. Mayer 1975-7-11 Plumas East part of section 30. Comment
  UCR87994  Galium triflorum Walter Knight, J. T. Howell, I. Knight 1966-7-26 1570 Plumas Northern Sierra Nevada Mtns., Butterfly Botanical Area and vicinity; Fern Glen 1113 Comment
  CAS-BOT-BC144396  Garrya fremontii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1402 Plumas Butterfly Botanical Area and vicinity. Pond reservoir 1097 Comment
  CDA32105  Garrya fremontii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .29 Plumas Plumas Eureka State Park. S Johnsville Comment
  CDA9210  Garrya fremontii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .29 Plumas Plumas Eureka State Park. S Johnsville Comment
  CHSC115683  Garrya fremontii Emily Meigs Doe 2015-4-15 23 Plumas Northern High Ssierra Nevada. Plumas National Forest. Approx. 0.4 mi. northeast of where the South Fork Feather River feeds into the northeast end of Little Grass Valley Reservoir. Near Road 22N57 (the road around Little Grass Valley Reservoir). Approx. 4.6 miles north-northeast of La Porte. 1545 Comment
  CHSC88810  Garrya fremontii H. Gray 2004-3-4 Plumas Plumas National Forest. Hwy. 70, Rich Bar. 822 Comment
  RSA252381  Garrya fremontii Robert F. Thorne, P. C. Everett 1969-9-6 39220 Plumas Ca. 2.5 miles S of Graeagle on Gold Lake Road. 1646 Comment
  UCD121134  Garrya fremontii John Thomas Howell 1961-9-23 36891 Plumas Englemine. 1097 Comment
  SEINET10453488  Garrya fremontii Mary Susan Taylor 1981-8-19 Taylor 4219 Plumas T23N R11E ne 1/4 se 1/4 sec. 17. Blue Nose Mt. S side of 23N10, 0.2 mi W of Bell Creek, ca. 1.5 mi W of Sloat. 4500 ft. 1372 Comment
  SEINET5765226  Garrya fremontii M. Canby 1929-5-12 2538 Plumas 5 miles SW of Blairsden. Comment
  UC384659  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  UC711961  Gayophytum diffusum subsp. parviflorum Roxana S. Ferris and Laura Lorraine 1941-8-9 10426 Plumas Lake Almanor Public Camp; near village Comment
  RSA716798  Gayophytum heterozygum L. Ahart, John Dittes 2005-9-20 12448 Plumas On the S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2050 Comment
  UC1122565  Gayophytum heterozygum G. Burks 1933-8-8 20 Plumas 4 mi e and 1 mi n Cammel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  CHSC65344  Gayophytum humile Lowell Ahart 1995-10-1 7648 Plumas On the bottom of the pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  SBBG121285  Gayophytum racemosum L. Ahart, J. Dittes 2007-6-16 14088 Plumas S side of County Rd 111 (Beckwourth Genesee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  SEINET7717332  Gentiana affinis Unknown Plumas Goose Lake Valley Comment
  RSA101421  Gentiana calycosa R. Weatherby 1955-8-16 1685 Plumas Spring at Fales Hill Mine. 1524 Comment
  POM130474  Gentiana newberryi A. L. Coombs 1912-09 s.n. Plumas Big Meadows Comment
  CHSC100037  Gentianopsis simplex Lowell Ahart 2008-8-14 15206 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  JEPS95337  Geum macrophyllum Lowell Ahart 1994-6-17 7352 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  JEPS107951  Gilia capillaris Lowell Ahart, Josephine Guardino 2005-8-9 12266 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  CHSC21118  Gilia capitata F. T. Griggs; A. Pass 1975-7-2 28 Plumas East of road. Buck's Lake. Comment
  CHSC9717  Gilia capitata Nancy Mosman 1971-7-11 85 Plumas 100 ft e of Feather River ca. 0.5 mi s of Hwy 70 and the Belden turnoff. 1025 Comment
  UC932070  Gilia capitata subsp. mediomontana Verne Grant, Alva Grant 1948-7-11 8587 Plumas foot of Camel Peak 1371 Comment
  CHSC55665  Gnaphalium palustre K. R. Stern 1985-6-25 8315 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS108999  Gnaphalium palustre Lowell Ahart 2006-10-8 13405 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-BC307392  Gnaphalium palustre Joseph Andorfer Ewan 1934-7-18 8562 Plumas Along Middle Fork Feather R. near Portola, Sierra Nevada Comment
  UC1191883  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-8-18 1351 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  CHSC81004  Grindelia nana Vernon H. Oswald 2001-8-13 10053 Plumas Hwy 36 at the Chester Airport. 1383 Comment
  SEINET10474257  Grindelia nana Mary Susan Taylor 1981-8-5 Taylor 4170 Plumas 1069 Comment
  CHSC114166  Grindelia squarrosa Barbara L. Wilson; Lawrence Janeway, Peter F. Zika 2011-8-6 16780 Plumas 48545 Highway 70/89, east of East Quincy. 1089 Comment
  CAS-BOT-BC189593  Hackelia John Thomas Howell; Gordon H. True 1967-7-11 43354 Plumas SE slope of Mount Hough 2042 Comment
  CAS-BOT-BC182435  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54279 Plumas About 1.3 mi. southeast of summit of Mt. Hough on road to Quincy 2042 Comment
  JEPS55563  Hackelia californica W. L. Jepson 1927-6-21 12281 Plumas near Rice Creek (Feather River meadows); Feather River Comment
  UC1560383  Hackelia micrantha E. Joyal and D. Mehlman 1988-7-3 1307 Plumas 11 mi n of Quincy; Plumas National Forest, Mount Hough 2000 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
  UC1101054  Hastingsia alba Malcolm A. Nobs, S. Galen Smith 1949-8-19 1431 Plumas Butterfly Valley Comment
  UC1586425  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1991-6-18 4676 Plumas 1.7 mi ne of its junction with County Rd. 201 (Old Haun Road) ca 4 mi (air) nnw Greenville (Forest Road 28N38) 1463 Comment
  CAS-BOT-BC508332  Hastingsia alba Alice Eastwood 1927-6-13 14556 Plumas Forest Lodge, Greenville Comment
  CHSC43610  Hazardia whitneyi var. whitneyi Vernon Oswald 1983-8-24 1023 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC99988  Hazardia whitneyi var. whitneyi L. P. Janeway; Heather Koeth 2008-9-9 9589 Plumas Northern High Sierra Nevada. 1.5 km northeast of the northern end of The Hogback; 1.1 km south-southwest of the confluence of Nelson Creek at Middle Fork Feather River; along Road 23N95Y, 180 km southwest of Quincy-La Porte Road (at its hairpin turn at Turn Table). 1490 Comment
  RSA768851  Hazardia whitneyi var. whitneyi L. Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  SD8838  Helenium Daniel Cleveland 1882-6-25 Plumas Big Meadows Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC102583  Helenium bigelovii L. P. Janeway; B. Castro 2009-7-4 9845 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  UCD130280  Helenium bigelovii Albert Grigarick 2011-8-15 293 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1884 Comment
  CHSC21815  Helianthella californica F. T. Griggs; A. Pass 1975-7-16 201 Plumas Bucks Lake Forest Service Survey. Comment
  OBI55498  Helianthella californica David J. Keil, Kathleen Keil 1992-7-25 23605 Plumas Lassen NF along hwy 89/36, 5.4 mi E of hwy 32, SW of Chester Comment
  SEINET9349617  Helianthella californica var. nevadensis Unknown 1982-6-15 3699 Plumas Plumas National Forest Comment
  SJSU4633  Helianthella californica var. nevadensis C. W. Sharsmith 1969-6-15 7595 Plumas Smith L, head of Smith Cr c. 5 mi SW of Blairsden 1859 Comment
  UC897253  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas plain n Chester 1304 Comment
  CHSC36315  Hesperis matronalis M. S. Taylor 1982-6-9 4618 A Plumas Along Bucks Lake Rd, ca. 1/4 mi ne of Meadow Valley Inn. 1219 Comment
  POM252963  Hesperochiron pumilus A. A. Heller 1938-5-21 15098 Plumas Just east of the highway maintenance station north of Chester, on Highway 36. Comment
  CHSC116184  Heterocodon rariflorum Lowell Ahart 2015-7-4 20282 Plumas About 150 yards south of the paved road by Tamarack Flat, about 1/2 mile wet of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1-1/2 miles (air) northwet of Little Grass Valley Reservoir. 1712 Comment
  CHSC96060  Heterotheca oregona var. compacta L. P. Janeway 2006-10-1 8897 Plumas Northern High Sierra Nevada. Along Hwy 70 0.5 road km south of Rock Creek Reservoir dam, and above North Fork Feather River. 671 Comment
  JEPS108987  Heterotheca oregona var. rudis Lowell Ahart 2006-10-8 13390 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek 622 Comment
  SEINET10475338  Heterotheca villosa var. hispida Mary Susan Taylor 1981-7-13 Taylor 4005 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  CHSC36876  Heterotheca villosa var. minor M. S. Taylor; H. Swanson 1982-8-11 4970 Plumas Along n side of Jamison Creek Rd (507) on cliffs, ca. 1 mi w of Plumas-Eureka State Park, ca. 3 mi sw of Johnsville. 1798 Comment
  RSA107453  Heterotheca villosa var. minor L. S. Rose 1955-7-19 55150 Plumas Vinton. 1506 Comment
  CAS-BOT-BC310937  Heterotheca villosa var. minor G. Sommers 1976-8-20 239 Plumas Sierra Valley along Highway 70 5 km west of Vinton 1487 Comment
  SD8409  Heuchera Mrs. R. M. Austin Aug 1882 Plumas Plumas County Comment
  UC137005  Heuchera micrantha var. erubescens Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC11096  Heuchera micrantha var. pacifica Lowell Ahart 1968-6-29 Plumas Near La Porte. 1371 Comment
  CHSC21307  Hieracium albiflorum F. T. Griggs; A. Pass 1975-7-29 255 Plumas Buck's Lake. Comment
  SEINET10474727  Hieracium cynoglossoides Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4016 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CAS-BOT-BC318527  Hieracium greenei L. N. Lorenzen No date on label. 8 Plumas Tamarac Springs, Shasta Forest 1676 Comment
  JEPS28593  Hieracium greenei George W. Gillett 1957-7-13 775 Plumas growing on talus slope below Sifford Lakes (along direct route to the Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  CHSC20759  Hippuris vulgaris K. R. Stern 1975-7-24 5884 Plumas N shore of Lake Almanor. 1371 Comment
  SD130501  Hippuris vulgaris Fred Sommers 1976-8-23 225 Plumas Sierra Valley Marsh 1524 Comment
  RSA0016764  Hippuris vulgaris R. C. Bacigalupi 1927-7-12 1726 Plumas Along Spanish Creek, 0.5 mile N of Quincy. Comment
  SEINET10507460  Holcus lanatus Mary Susan Taylor 1982-8-12 Taylor 4980 Plumas T22N R12E nw/ne sec 14. Blairsden quad. Along Denton Creek, between 516 and Hwy 70, ca. 1 mi e of Blairsden. Mixed Evergreen Forest; 4700 ft. 1432 Comment
  CHSC44571  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1977-8-8 1545 Plumas On a dam, in the meadow east of the lake, in Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC63489  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1994-7-22 7499 Plumas Plumas/Sierra Counties. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CHSC97531  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2007-6-16 14150 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC55644  Hordeum jubatum K. R. Stern 1985-6-25 8298 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC285108  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1966-6-18 1380 Plumas Butterfly Valley 1127 Comment
  CHSC55643  Hordeum marinum subsp. gussoneanum K. R. Stern 1985-6-25 8293 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC97114  Horkelia fusca subsp. parviflora Lowell Ahart; Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC24273  Horkelia fusca subsp. tenella K. R. Stern 1975-7-23 Plumas N end of Lake Almanor. Comment
  UC711916  Horkelia fusca subsp. tenella Roxana S. Ferris and Laura Lorraine 1941-8-9 10423 Plumas near village; Lake Almanor Public Camp Comment
  POM34912  Horkelia fusca var. brownii Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek. 1524 Comment
  RSA77983  Horkelia tridentata Verne Grant, Alva Grant 1948-6-13 8581 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  UC932071  Horkelia tridentata subsp. tridentata Verne Grant and Alva Grant 1948-6-13 8581 Plumas 1 mi from Cascade (Lava Cap, on Oroville Rd) Comment
  CHSC54320  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4679 Plumas Forest Rd 28N38, 3.4 miles east-northwest of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  HSC98314  Hosackia oblongifolia H. E. Parks, S. T. Parks Jun 1928 239 Plumas Lassen National Park, Drakesbad 1738 Comment
  CHSC33817  Hydrophyllum capitatum var. alpinum M. S. Taylor; M. Foster 1981-6-3 3838 Plumas N side of 24N61m ca, 1.5 mi s of Little Summit Lake, ca. 10 mi nw of Portola. 2103 Comment
  CDA18758  Hydrophyllum occidentale G. D. Barbe, T. C Fuller 1982-7-16 3758 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
  UC723823  Hydrophyllum occidentale Joseph Andorfer Ewan 1934-6-27 8262 Plumas near Long Lake (along Mt Elwell trail); Sierra Nevada 2072 Comment
  CHSC64844  Hypericum anagalloides Vernon H. Oswald 1995-6-24 6913 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Forming localized colonies in drier places in a streamside meadow on the e side of the road. 1371 Comment
  CHSC102110  Hypericum perforatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16241 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  UCD147791  Hypericum scouleri Allyson Ayalon; Lucie Jerabkova 2012-8-1 144 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC401435  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  CAS-BOT-BC88620  Idahoa scapigera Mrs. Ellwood Cooper s.n. Plumas Sierra Valley. Comment
  CAS-BOT-BC88636  Idahoa scapigera W. Harnach; N. Harnach 1989-3-29 005 Plumas Sierra Valley. Hillside north of Barry corrals. 1524 Comment
  CDA13384  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13233 Plumas Sierra Nevada; Above headwaters of Bull Run Creek off USFS 23N12E. Comment
  RSA304667  Ipomopsis aggregata subsp. formosissima J. R. Shevock 1972-5-19 2017 Plumas Cresent Mills Comment
  UCR3614  Iris hartwegii Wm. Horn Jr. 1963-6-19 630619 7 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  RSA136350  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1955-5-14 20710 Plumas 3.1 mi. N of Greenville on road to Lake Almanor, Hwy. 89. 1159 Comment
  CHSC41144  Iris tenuissima subsp. purdyiformis J. D. Jokerst 1984-6-13 2047 B Plumas South of Grizzly Creek, ca 30 M north of spur 'C'' of USFS road 26N08. Ca. 2 air miles east of Peacock Point. 1432 Comment
  JEPS93198  Iris tenuissima subsp. purdyiformis Carol A. Wilson 1993-4-30 93 -4 Plumas 0.5 mi w of Tobin (on Hwy 70 along the Feather River); Feather River Comment
  CHSC54858  Isoetes bolanderi Vernon H. Oswald 1991-8-23 4846 Plumas Road to Juniper Lake Campground, 1.8 miles north of the park boundary. Lassen Volcanic National Park. 2072 Comment
  CHSC55624  Isolepis setacea L. P. Janeway 1987-6-20 2284 Plumas Seepy area near road in ravine on north side of South Branch Middle Fork Feather River, below Whiskey Hill. 1158 Comment
  SEINET11259903 Image available Iva axillaris W. Harnach, N. Harnach 2000-8-23 988 Plumas Sierra Valley. 1.25 miles south of Dyson Lane on Co. Road A-24 1490 Comment
  SEINET10938086  Iva axillaris Mary Susan Taylor 1982-9-13 Taylor 5136 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CHSC35943  Ivesia aperta var. aperta M. S. Taylor 1982-6-28 4775 Plumas Ramelli Ranch, on s side of Feather River, ca. 1/4 mi w of Calpine Rd (109), ca. 1 mi w of Beckwourth. 1487 Comment
  RSA530030  Ivesia baileyi var. baileyi D. W. Taylor, Glenn Clifton 1990-6-25 11172 Plumas Little Last Chance Creek, downstream 0.6 mile form Frenchman Flat Reservoir Comment
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  JEPS44336  Ivesia sericoleuca W. L. Jepson 1918-8-17 8034 Plumas Sierra Valley 1524 Comment
  RSA790596  Ivesia sericoleuca James R. Shevock, Barbara Ertter 1986-7-20 11737 Plumas Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth. 1650 Comment
  JEPS113875  Juncus balticus subsp. ater Lowell Ahart, Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CHSC47525  Juncus bufonius var. bufonius Lowell Ahart 1975-7-16 892 Plumas Small mountain meadow, 1/4 mile east of the Feather Fork Mine, about 2 miles north-east of Little Grass Valley reservoir. 1828 Comment
  CHSC84182  Juncus bufonius var. occidentalis Lowell Ahart 2003-7-18 10426 Plumas In a meadow, on the north side of the road, about 1/4 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. 1709 Comment
  RSA0113967  Juncus bufonius var. occidentalis Lowell A. Ahart 2008-7-9 15050 Plumas About 20 yards east of the dirt road, about 0.25 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  SEINET3450940  Juncus bufonius var. occidentalis Unknown 2003-7-18 10426 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  JEPS110199  Juncus confusus Lowell Ahart, Josephine Guardino 2005-8-9 12265 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
  CHSC47545  Juncus covillei Lowell Ahart 1977-8-8 1544 Plumas Small meadow, east of the pond, Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  UCD141509  Juncus effusus subsp. pacificus John Thomas Howell 1960-7-20 35770 Plumas Boiling Springs Lake. Lassen Volcanic National Park. 1798 Comment
  CHSC102674  Juncus ensifolius Lowell Ahart; John Dittes 2009-9-7 16400 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC32864  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  RSA286271  Juncus ensifolius Robert F. Thorne 1974-7-30 45009 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA490376  Juncus ensifolius Lyman Benson 1932-7-29 4005 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA59919  Juncus ensifolius E. K. Balls 1950-9-15 15841 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CHSC82454  Juncus hemiendytus var. hemiendytus Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9816 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CHSC99809  Juncus hemiendytus var. hemiendytus Lowell Ahart 2008-7-9 15051 Plumas Bare gopher and mole mounds, basalt area, in a small meadow, about 20 yards east of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  CHSC102838  Juncus howellii Lowell Ahart; John Dittes 2009-8-28 16355 Plumas 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
  CHSC113669  Juncus howellii L. P. Janeway 2014-8-12 11567 Plumas Northern High Sierra Nevada. Plumas National Forest; Kenzie Ravine at crossing of Road 22N60 (Silvertip Road); 1.2 air-km northeast of Little Grass Valley Reservoir. 1571 Comment
  JEPS123946  Juncus howellii Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20427 Plumas Forest Service Road 29N18, near Blue Lake Trailhead and South Arm Rice Creek, 3.11 air miles northeast of Morgan Mt., 3.54 air miles west-southwest of Sifford Mt., 6.59 air miles south-southeast of Lassen Peak. Comment
  CHSC91696  Juncus longistylis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada Foothills. 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  JEPS113757  Juncus luciensis Lowell Ahart, John Dittes 2007-6-16 14097 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  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
  CAS-BOT-BC110764  Juncus mertensianus L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4492 Plumas Plumas National Forest. Beckwourth Ranger District. Lovejoy Compartment. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  CDA20251  Juncus mertensianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3061 Plumas Sierra Nevada; 10.6 mi ne of La Porte on La Porte-Quincy Rd; 8.3 mi ne of junction, Little Grass Valley Reservoir Rd, headwaters of South Fork Feather River. 1889 Comment
  RSA716694  Juncus nevadensis L. Ahart, John Dittes 2005-9-20 12428 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2030 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
  RSA715688  Juncus occidentalis L. Ahart, Josephine Guardino 2005-8-10 12309 Plumas Northeast of a small branch of Lights Creek, east side of forest road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CHSC41444  Juncus parryi Lowell Ahart 1986-7-8 5358 Plumas Around a small seep, near an open bare serpentine area, about 1 mile northwest of Pilot Peak, about 14 miles northeast of La Porte. 1950 Comment
  CHSC97301  Juncus parryi Lowell Ahart; John Dittes 2007-8-9 14439 Plumas About 80 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
  RSA35308  Juncus parryi Alice S. Mulford 1944-8-14 s.n. Plumas Ridge between Long Lake and the Bear Lakes. 2134 Comment
  CDA32031  Juncus tenuis L. Ahart, J. Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  UC401371  Juniperus communis H. M. Hall 1912-7-12 9345 Plumas slopes s of Long Lake; Sierra Nevada Mountains 2072 Comment
  CAS-BOT-BC85334  Juniperus occidentalis Emily McPherson 1976-11-7 76- 32 -2 Plumas Sierra Nevada - 5 miles north of Beckwourth, Portola Quadrangle 2055 Comment
  CAS-BOT-BC58899  Kalmia microphylla subsp. microphylla V. Oswald; L. Ahart 1988-8-4 3671 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  JEPS90926  Kalmia polifolia subsp. polifolia Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11441 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen Nat'l Park, Little Willow Lake 1874 Comment
  POM161743  Kelloggia galioides R. C. Bacigalupi 1927-7-11 1698 Plumas Gold Lake region. 1890 Comment
  CHSC43253  Kyhosia bolanderi Lowell Ahart 1987-10-16 5915 Plumas Meadow, near the dirt road, near Buckhorn Creek, about 4 miles south-west of Bucks Lake. 1676 Comment
  SEINET10474769  Lagophylla ramosissima Mary Susan Taylor 1981-8-31 Taylor 4252 Plumas California: T22N R12E se1/4 of se1/4 sec 25. Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi S of Clio. Plumas County. 4400 ft. 1341 Comment
  CAS-BOT-BC341571  Lagophylla ramosissima John Thomas Howell 1961-9-25 36965 Plumas Vinton 1506 Comment
  SEINET10474768  Lagophylla ramosissima Mary Susan Taylor 1982-6-28 Taylor 4766 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  JEPS107472  Lasthenia glabrata subsp. glabrata Lowell Ahart, John Dittes 2005-6-1 11843 Plumas On the bottom and sides of deep drain ditches, on both sides of Highway 70, east of the Plumas County Airport, about 3 miles east of Beckwourth 1412 Comment
  CHSC44972  Lathyrus K. R. Stern 1985-6-25 8248 Plumas Vicinity of Blairsden. 1432 Comment
  CHSC33770  Lathyrus latifolius Nancy Mosman 1971-7-11 72 Plumas Along E side of Hwy 70 ca. 1.3 mi S of Beldon turnoff. 1025 Comment
  CHSC70121  Lathyrus nevadensis var. nevadensis L. P. Janeway 1997-5-15 5131 Plumas Hwy 70/89 at Rattlesnake Creek. 1310 Comment
  SEINET10970296  Lathyrus pauciflorus subsp. pauciflorus Mary Susan Taylor 1982-5-14 Taylor 4451 Plumas T22N R13E nw/nw sec 14. Portola quad. On forested slopes, above Turner Springs Rd, ca. l mi s of Hwy 114(Clio-Portola Rd), ca. 2 air mi sw of Portola. 5300 ft. 1615 Comment
  CAS-BOT-BC205069  Lathyrus sulphureus John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2423 Plumas Butterfly Botanical Area and Vicinity. Between mouth of Butterfly Creek and Valley proper 914 Comment
  CHSC91698  Lathyrus sulphureus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16288 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: outside of bog. 1158 Comment
  UC62900  Layia glandulosa H. M. Hall and E. B. Babcock 1903-7-1 4453 Plumas Red Clover Valley Sierra Nevada Mountains, Red Clover Valley 1524 Comment
  CAS-BOT-BC274338  Leersia oryzoides Lowell Ahart 1981-9-6 3116 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC537269  Lemna minor M. S. Taylor 1982-11-7 5106 Plumas Portola quad. Ramelli Ranch, on s side of Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  JEPS106328  Lemna trisulca Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  UC1101271  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-8-19 1397 Plumas 2 mi s of Greenville (Indian Valley); Indian Valley Comment
  CAS-BOT-BC88841  Lepidium campestre Lewis S. Rose 1963-6-3 63107 Plumas Butterfly Valley, 2 miles southwest of Keddie. 883 Comment
  CAS-BOT-BC88846  Lepidium campestre John Thomas Howell 1961-6-21 36622 Plumas Sierra Nevada. Greenville. 1097 Comment
  UCD20965  Lepidium draba E. Bortiri 2002-6-21 WFC 13 Plumas Rocky Point East, Ramelli Ranch , near Portola, Plumas Co. Comment
  CAS-BOT-BC89705  Lepidium latifolium Lowell Ahart 1986-7-25 5381 Plumas Along Cleghorn Bar Road, a littel east of Sawpit Flat, about 1.25 mile southwest of Finger Board. 1828 Comment
  SEINET11280982  Lepidium perfoliatum W. Harnach, N. Harnach 1989-6-17 148 Plumas Sierra Valley, Marble Lane, 200 feet W of the steel bridge. 1487 Comment
  CHSC90937  Lepidium virginicum var. pubescens Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11752 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
  JEPS102471  Lepidium virginicum var. pubescens Lowell Ahart 2001-10-16 9389 Plumas Along the south side of Dixie Creek Road, about 1/4 mile west of Highway 89, about 2 1/2 miles SW of Crescent Mills. 1066 Comment
  SEINET11268219  Lepidium virginicum var. pubescens Lowell Ahart 2001-10-16 9389 Plumas Along the south side of Dixie Creek Road, about 1/4 mile west of Highway 89, about 2 1/2 miles southwest of Crescent Mills.; 0 1067 Comment
  CHSC79187  Leptosiphon ciliatus L. P. Janeway 2000-6-24 6833 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  RSA122128  Leptosiphon ciliatus E. Sawyer 1935-6-27 162 Plumas Sierraville 1524 Comment
  POM74482  Leptosiphon nuttallii Marcus E. Jones 1897-7-6 10079 Plumas Prattville. 5 miles west. 1372 Comment
  CHSC118668  Leucanthemum vulgare Chelsea Morgan; Wendy L. Boes 2015-5-20 2015003 Plumas Plumas National Forest. Located in Black Gulch, southwest of Forest Service road 24N29X, east of 24N95. UTM 662470 E, 4421842 N, NAD83 Zone 10N. 1280 Comment
  CHSC78480  Leucothoe davisiae Vernon H. Oswald 2000-7-29 9942 Plumas Forest Road 22N84X 1.4 mi east of La Porte-Quincy Hwy., ca. 0.25 mi (air) east-northeast of Pilot Peak. 2087 Comment
  RSA104133  Leucothoe davisiae T. C. Porter 1876-1 s.n. Plumas [Unspecified] Comment
  SEINET7270548  Leucothoe davisiae C. D. Marsh 1914-8-28 11077 Plumas Quincy Comment
  SEINET10895980  Lewisia cantelovii Mary Susan Taylor, G. Rotta 1981-8-20 Taylor 4233 Plumas California: T25N R7E ne1/4 of nw1/4 sec 20. Almanor SW quad. On meta- volcanic moss-covered cliff, E side of Caribou Rd, 0.1 m N of its jct with Hwy 70, ca. 1.5 mi NE of Belden. Plumas County. 2400 ft. 731 Comment
  CDA14580  Lewisia nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3062 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC35924  Lewisia nevadensis M. S. Taylor 1982-5-17 4460 Plumas Meadow along creek, jct of rds 22N54 and 22N88, ca. 2 mi se of Portola, n slope of Beckwourth Peak. 1737 Comment
  JEPS48672  Lewisia nevadensis Esther C. Fritz 1933-7-15 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC444176  Lewisia nevadensis Anna Head 1921-6-25 s.n. Plumas Near Gold Lake, Feather River Region Comment
  UC725362  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas 2 mi e on State Highway 36 Plumas county line Comment
  CAS-BOT-BC444574  Lewisia triphylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54103 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CDA14581  Lewisia triphylla G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3064 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC10665  Lewisia triphylla Lowell Ahart 1970-6-25 Plumas Six miles N.W. of La Porte. 1828 Comment
  JEPS87757  Lewisia triphylla Lowell Ahart 1994-6-15 7324 Plumas w side of logging road near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 1 air mi w of Little Grass Valley Reservoir) 1767 Comment
  SEINET10572652  Lewisia triphylla Mary Susan Taylor 1981-5-8 Taylor 3654 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CAS-BOT-BC274530  Leymus triticoides John Thomas Howell 1959-9-25 35014 Plumas 5 miles east of Beckwourth, Sierra Valley 1493 Comment
  UCD86626  Leymus triticoides A. A. Beetle 1941-6-28 2793 Plumas 5 miles W of Chester. 1524 Comment
  CAS-BOT-BC436050  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas Lassen Volcanic National Park, gully running into the stream running from Little Willow Lake to Willow Lake 1767 Comment
  CAS-BOT-BC509326  Lilium kelleyanum Anna Head 1921-7-6 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC509333  Lilium kelleyanum Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CHSC60164  Lilium pardalinum subsp. pardalinum L. P. Janeway 1992-7-10 4260 Plumas Plumas National Forest. About 0.5 mi northeast of top of Grizzly Ridge, in upper Joseph Creek drainage. 2087 Comment
  CHSC75560  Lilium pardalinum subsp. pardalinum 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
  CAS-BOT-BC246066  Limosella aquatica John Thomas Howell 1961-9-24 36910 Plumas Feather River bed sw. of Beckwourth, Sierra Nevada 1487 Comment
  CHSC34324  Limosella aquatica L. Ahart 1981-9-6 3109 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CDA14726  Linanthus ciliatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3252 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  JEPS102736  Linanthus harknessii Lowell Ahart 2001-7-17 8918 Plumas Meadows, on the west side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS58438  Linanthus harknessii W. L. Jepson 1939-8-12 19405 Plumas Ferris Creek, branch of Last Chance Creek Last Chance Creek 1767 Comment
  UC133949  Linanthus harknessii Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  JEPS58436  Linanthus harknessii Herbert L. Mason 1924-6-20 1084 Plumas between Gold Lake Bear Lake Comment
  SEINET14349128  Linanthus pungens W. Harnach, N. Harnach 1989-6-29 208 Plumas Beckwourth Pass on the N side of hwy 70 1539 Comment
  CAS-BOT-BC416397  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas In vicinity of Cascade Comment
  CHSC62611  Listera convallarioides B. Castro; R. A. Schlising 1987-7-21 165 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at lower edge of a spring on unnamed E-trending tributary to Mohawk Ck. 1600 Comment
  UC1562365  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  CHSC43744  Lithophragma glabrum Vernon Oswald 1986-6-6 2095 Plumas LaPorte - Quincy Rd. 0.2 mi n of the road to Cleghorn Bar. 1996 Comment
  SEINET10483076  Lithophragma glabrum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3836 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CHSC54417  Lithophragma tenellum Vernon H. Oswald 1991-6-17 4666 Plumas Lassen Volcanic National Park. Drakesbad, near the trail to Boiling Springs Lake and Devil's Kitchen, south of the swimming pool at the resport. 1734 Comment
  CHSC53135  Lithospermum californicum Debbie Bliss 1990-8-14 Plumas Plumas National Forest. Southerly facing slope between the SE end of Lake Davis and the SW end of Crocker Mtn. 1874 Comment
  RSA141303  Lithospermum californicum June McCaskill 1954-5-31 322 Plumas State Highway 89, ca. 2.6 miles north of Greenville. Comment
  CHSC35937  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola on the ridges below Beckwourth Peak. 1706 Comment
  UCD169253  Lomatium macrocarpum S. L. Welsh; N. D. Atwood 2001-6-13 28135 Plumas W end of Dixie Valley, N of Beckwourth. 1711 Comment
  CHSC41181  Lomatium nudicaule J. D. Jokerst 1984-5-14 2016 Plumas Top of the slopes S of Ward Creek, SW of Genesee Valley. 1584 Comment
  CHSC52510  Lomatium nudicaule L. P. Janeway 1990-6-7 3705 Plumas Plumas National Forest, Beckwourth Ranger District. Forested flat on N side of Long Calley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  CHSC53575  Lomatium nudicaule L. P. Janeway 1989-7-19 3497 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. 1676 Comment
  CHSC71136  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas West edge of Dixie Valley; north side of Dixie Creek; along the road connection Road 26N70 to Road 28N01. 1691 Comment
  CHSC95092  Lomatium plummerae L. P. Janeway; B. Castro 2006-6-3 8653 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  UC175513 Image available Lomatium vaginatum A. A. Heller 1913-6-13 10838 Plumas near Marston Station; ; near Marston Station, Plumas Co. 1066 Comment
  CHSC54521  Lonicera cauriana Vernon H. Oswald 1991-8-5 4805 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  RSA59420  Lonicera involucrata E. K. Balls 1950-9-7 15701 Plumas Lakes Center Public Campground. Comment
  CAS-BOT-BC243913  Lonicera involucrata var. involucrata M. S. Taylor 1981-7-17 4029 Plumas Ca. 1/4 mi S of Bear Lakes trailhead, Lakes Basin, ca. 6 mi. S of Mohawk 1950 Comment
  RSA755329  Lotus crassifolius var. crassifolius L. Ahart 2009-7-13 16044 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC1129060  Lotus grandiflorus var. grandiflorus F. W. Embree 1934-6-6 70 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  SEINET10451993  Lotus neoincanus Lowell Ahart, Peter Ahart 1985-7-1 Ahart 5095 Plumas About 1/2 mile east of Cement Creek, about 1/2 mile north of Onion Valley Creek, about 4 miles north-west of Pilot Park. Comment
  JEPS105486  Lotus oblongifolius Holly Forbes and Barbara Keller 2003-7-9 28 Plumas along road opposite Gold Lake Staging Area Comment
  UC1129104  Lotus oblongifolius var. oblongifolius F. W. Embree 1934-6-6 73 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  JEPS55724  Lotus oblongifolius var. oblongifolius W. L. Jepson 1924-7-22 10625 Plumas Dogwood Creek Middle Fork Feather River 1127 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
  SEINET3696859 Image available Lotus purshianus A. A. Heller 1938-7-2 15243 Plumas Feather River Highway near Gray's Flat 869 Comment
  SEINET7066995 Image available Lupinus A. G. Vestal 1955-4-28 s.n. Plumas Warner Valley. Coordinate datum: NAD27. Comment
  RSA0060731  Lupinus adsurgens Daisie Huang 2006-8-11 06081104 Plumas Rattlesnake Creek, N of Hwy 70. 1283 Comment
  UC1542833  Lupinus albicaulis M. L. Conrad, Dunn, and Kenney 1973-6-5 7061 Plumas on Meadow Valley Road at w side Quincy; w side of Quincy 1036 Comment
  UC1542847  Lupinus albicaulis M. L. Conrad, LeDoux, and Kenney 1973-6-5 7050 Plumas off Hwy 70 Plumas National Forest (Plumas National Forest) 1066 Comment
  SEINET10488365  Lupinus albicaulis Mary Susan Taylor 1982-6-1 Taylor 4574 Plumas T23n,r11e,sec.6 se 1/4 of ne 1/4. Spring garden quad. Corolla white. Open dry Roadcut, 0.1 mile e of spring garden city limity sign, just s of greenhorn Ranch road, e side of hwy u0. With lupinus dalesae 1280 Comment
  CHSC60087  Lupinus angustiflorus L. P. Janeway 1990-7-18 3802 Plumas Plumas National Forest. Ca 1/4 mi N of Blakeless Creek and ca 1/2 mi NE of Little Grizzly Cr. 1792 Comment
  CHSC48523  Lupinus apertus Vernon Oswald 1988-9-4 3696 Plumas Pacific Crest Trail ca. 1.5 mi (air) nw of Humbug Summit. 2164 Comment
  RSA29125  Lupinus apertus J. T. Howell 1951-6-27 27606 Plumas Jamison Creek. 1890 Comment
  CHSC112537  Lupinus arbustus B. Castro; L. P. Janeway 2008-6-6 1736 Plumas Upper Feather River Water Balance Study: Thompson Creek. Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~1.5 mi NW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) just E of its jcn with small dirt rd to lower Thompson Valley. 1706 Comment
  SBBG18800  Lupinus arbustus C. B. Hardham 1961-6-16 7464 Plumas Diamond Peak [Diamond Mountain] Comment
  UC1129531  Lupinus arbustus D. Axelrod 1934-6-9 20 Plumas 2.25 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quad. Comment
  UC82141  Lupinus arbustus Mrs. R. M. Austin 1886-1 Plumas Big Meadows Comment
  SJSU14722  Lupinus arbustus N. A. Hopkins 1991-6-28 1692 Plumas between Medford fork & Doyles Crossing on rd fronm Red Clover Valley to Janesville 1524 Comment
  RSA39741  Lupinus arbustus subsp. calcaratus P. A. Munz 1947-5-17 11822 Plumas 5 miles north of Chilcoot. 1524 Comment
  RSA414448  Lupinus arbustus subsp. silvicola Christopher Davidson 1975-6-7 2745 Plumas 1 mile on road to Dalton Creek, departing northeast from Highway 70, 0.7 mile east of Highway 70 and 89. 1494 Comment
  SEINET5327835  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-6-16 380 Plumas Sierra Valley; Frank Dotta Ranch NW of Vinton 1524 Comment
  SEINET5327970  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-5-12 293 Plumas Sierra Valley. T22N R14E S23NE of NE1/4. Wilson brothers ground, south of Marble Lane, on Co. Rd. A-23 (the rock pile). 1515 Comment
  CHSC60090  Lupinus argenteus var. meionanthus L. P. Janeway 1990-7-20 3808 Plumas Plumas National Forest. Along Lake Davis Rd 1.4 mi NW of Hwy 70 and Portola. 1524 Comment
  CAS-BOT-BC196603  Lupinus argenteus var. palmeri L. P. Janeway 1990-7-4 3764 Plumas Along road to Lunker Point; west side Frenchman Lake 1722 Comment
  SEINET10488593  Lupinus breweri Mary Susan Taylor 1982-4-23 Taylor 4720 Plumas T23n r10e se1/4sw1/4 sec 11. Blue nose mt quad. Corolla blue; prostrate Mat-forming. Flat ridge running n off 23n43y, at loop in road, 1.5 mi. W of Its jct with peoria creek rd (23n10), ca. 6 Air mi. Sw of sloat. With Triteleia montana, apocynum pumilum, penstemon. 1402 Comment
  CAS-BOT-BC196678  Lupinus breweri var. breweri Clare B. Hardham 1961-6-15 7402 Plumas Graeagle Comment
  SEINET10490609  Lupinus caudatus subsp. caudatus Mary Susan Taylor 1982-6-28 Taylor 4754 Plumas T23n, r14e, nw1/4ne1/4 sec 27. Portola quad. Corolla blue. Ramelli ranch, s Of hwy 70, ca 1 mi. W of beckwourth. Sagebrush scrub. With phaceli hastata. 1487 Comment
  RSA8030  Lupinus confertus H. A. Barker 1927-7-3 770 Plumas Blairsden. 1372 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215359  Lupinus dalesiae M. S. Taylor 1982-6-24 4752 Plumas Roadbank, N side of ridge at entrance to Gansner Park from Highway 70, Quincy 1066 Comment
  CAS-BOT-BC215381  Lupinus dalesiae M. S. Taylor 1982-6-23 4719 Plumas S side of 23N43Y, 2.4 miles W of its junction with Peoria Creek Road (23N10), ca. 1 mile S of English Bar, ca. 6 miles SW of Sloat 1402 Comment
  CAS-BOT-BC215393  Lupinus dalesiae M. S. Taylor 1982-5-27 4550 Plumas E side of Dean's Valley Road (24N29), 0.4-0.5 mile S of its junction with Bucks Lake Road, ca. 1 mile NE of Meadow Valley 1158 Comment
  CAS-BOT-BC215418  Lupinus dalesiae John Thomas Howell; R. C. Barneby 1954-5-14 29561 Plumas 11 miles NW of Blairsden Comment
  CDA13859  Lupinus dalesiae G. F. Hrusa, T. D. Wilfred 1996-7-23 13401 Plumas Sierra Nevada; above USFS 23N22. Approx. 2 mi. WSW Spring Garden Comment
  UC1502142  Lupinus dalesiae M. S. Taylor 1982-7-21 4900 Plumas ca. 10 air mi NE of La Porte ( W side of the Hogback, along and downslope of Quincy-LaPorte Hwy.(511), 2.3 mi N of its junction with Cleghorn Bar Road); Hottentot Creek drainage 1950 Comment
  UC1552820  Lupinus dalesiae Frederica Bowcutt 1985-5-16 524 Plumas Plumas National Forest Comment
  UC82008  Lupinus dalesiae Brandegee Jul 1896 815 Plumas hills e Quincy (Quincy); hills e Quincy Comment
  RSA0003390  Lupinus dalesiae Ella Dales Cantelow 1940-5-12 s.n. Plumas 2.4 mi E of Meadow Valley Inn near Quincy. Comment
  SEINET10452044  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4527 Plumas T23N R11E sw/ne sec 10. Mt Ingalls quad. Rdbk w side of 509A, ca. 50 ft s of its jct with Hwy 70, 1 mi ne of Sloat, 2.6 mi w of Cromberg. 4300 ft. Jeffrey Pine Forest. 1310 Comment
  SEINET10452051  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4541 Plumas T26N R9E e/se sec 23. Greenville SW quad. Mostly w side of Dixie Canyon Rd (204), 1.2 to 2 mi n of its jct with Hwy :89 at Mocassin. 4000-4400 ft. S of Greenville. 1219 Comment
  SEINET10452053  Lupinus dalesiae Mary Susan Taylor 1982-7-7 Taylor 4786 Plumas T23N R11E se/sw sec 14. Johnsville quad. S side of 4 wheel drive rd, 0.8 to 0.6 mi e of its jct with Poplar Creek Rd (23N08), ca. 1 mi se of Sloat. 4200 ft. 1280 Comment
  SEINET10452064  Lupinus dalesiae Mary Susan Taylor 1982-6-17 Taylor 4688 Plumas T23N R10E ne/nw sec 9. Spring Garden quad. W side of 24N13, 0.5 mi s of its jct with Quincy-LaPorte Rd, ca. 4 air mi se of Quincy. Elev 5400 ft. 1646 Comment
  SEINET10485184  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 201 Plumas On n side of hwy 70 near hallsted on hillside above kingsbury rd. In mixed Conifer forest. Comment
  SEINET10906998  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4595 Plumas 5500 ft. T23N R12E ne/sw sec 17. S side of 23N11, 0.5 mi e of its jct with 23N48, ca. 5 air mi n of Mohawk. 1676 Comment
  SEINET10973214  Lupinus dalesiae Mary Susan Taylor 1982-6-1 Taylor 4575 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  RSA372136  Lupinus grayi LeDoux, M. L. Conrad, David B. Dunn 1973-6-5 1092 Plumas 2.2 miles from junction of Highway 89 and 70. Comment
  CDA27440  Lupinus grayi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3306 Plumas 1.4 miles north-northeast of Engle Mine townsite on Diamond Mountain Road. 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
  SEINET10483999  Lupinus grayi Mary Susan Taylor 1982-6-2 Taylor 4603 Plumas W side of Poplar Creek Rd (23N08), jct s of bridge over Poplar Creek, 1 mi s of Sloat. 4200 ft. 1280 Comment
  SEINET10871251  Lupinus grayi Mary Susan Taylor 1982-6-14 Taylor 4673 Plumas On ridge W of and above Indian Falls on Hwy 89, in 1980 burn area. 4300 ft. 1310 Comment
  SEINET6655077  Lupinus grayi P. Kenney, Dunn; Conrad 1973-6-5 436 Plumas Alon Hwy 70; 6 mi. S from Jct of Hwy 89 & 70.; 0 1067 Comment
  SEINET8042222  Lupinus grayi A. A. Heller, P. B. Kennedy 1907-7-13 8832 Plumas Between Taylorville and Little Grizzly Creek Comment
  UC1542161  Lupinus grayi Paul Covel 1986-6-7 Plumas Spanish Creek , Spanish Creek (nw of Quincy) 1036 Comment
  SEINET10451303  Lupinus latifolius subsp. viridifolius J. D. Detzer, M. Sacks 1977-7-14 Detzer 22 Plumas Corolla blue-purple and white. Plants ca 11 dm tall. Abundant on dry gravelly Soil in open area at edge of montane coniferous forest, ca 3.5 km ne squaw pk., On e bank of unimproved usfs rd. Sec 1, t25n, r14e. 1973 Comment
  SBBG13868  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3817 Plumas Graeagle Comment
  UC149942  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  SEINET12163676  Lupinus lyallii W. Knight, Knight, I. 1983-1 4919 Plumas betw Chester and Drakesbad 1524 Comment
  UC1129663  Lupinus obtusilobus G. T. Nordstrom 1934-7-18 103 Plumas 3/4 mi w Silver Lake; Plumas National Forest, Bidwell Bar Quad. Comment
  CAS-BOT-BC323948  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-7 4787 A Plumas Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca 1 mi W of Blairsden. 1341 Comment
  SEINET10490240  Lupinus sellulus subsp. ursinus Melvin L. Conrad, Eula V. Conrad 1981-7-12 Conrad 9482 Plumas Just east of entrance to Plumas Campground, south side of Hwy. 70, ca. 17 miles NW of Quincy. Comment
  SEINET10490877  Lupinus sellulus var. sellulus Duane Isely, I. Isely 1971-7-13 Isely 11396 Plumas Plants to 18 inches, densley clustered with spikes much overtopping leaves; Flowers pale lavender; standard inconspicously dark-mottled, recurved ca 40 Degrees; basal leaves evident. Spring garden. 1189 Comment
  JEPS96116  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8053 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
  JEPS115938  Luzula comosa var. comosa Lowell Ahart, John Dittes 2009-7-13 16043 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CHSC100056  Luzula comosa var. laxa Lowell Ahart 2008-7-16 15077 Plumas Edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  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-BC441257  Luzula macrantha Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Unspecified Comment
  CHSC63297  Luzula parviflora Lowell Ahart 1994-6-17 7346 Plumas On the edge of a small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC23614  Lychnis coronaria K. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  JEPS91052  Lycopus uniflorus Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11439 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen National Park, Little Willow Lake 1874 Comment
  CHSC95002  Lythrum hyssopifolia Lowell Ahart 2006-10-23 13498 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
  CHSC113976  Lythrum portula Lowell Ahart 2014-11-16 19888 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
  JEPS102822  Lythrum portula Lowell Ahart 2001-8-28 9214 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  RSA18611  Machaeranthera canescens var. shastensis C. B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  CAS-BOT-BC343781  Madia elegans John Thomas Howell 1959-9-24 34911 Plumas Crescent Mills 1066 Comment
  CAS-BOT-BC343793  Madia elegans A. A. Heller; P. B. Kennedy 1907-7-13 888 Plumas Taylorville Comment
  UC501394  Madia elegans David D. Keck Jul 3 1932-Jul 5 1932 1620 Plumas n of Spanish Creek (Quincy); Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC344469  Madia exigua Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region 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
  CAS-BOT-BC342858  Madia glomerata M. S. Taylor 1982-9-7 5092 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  CHSC36997  Madia glomerata M. S. Taylor 1982-8-10 4958 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  JEPS107862  Madia glomerata Lowell Ahart, Josephine Guardino 2005-8-9 12262 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
  JEPS107877  Madia glomerata Lowell Ahart, John Dittes 2005-9-19 12401 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CAS-BOT-BC342863  Madia glomerata Lowell Ahart 1981-7-21 2966 Plumas Sutter Buttes Area. Along Cleghorn Bar Road, about 2 miles west of Pilot Peak 1900 Comment
  SD132021  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mountains,ca.12 airline miles southsouthwest Susanville, Snoring Springs 0.5 miles north of Diamond Mountain-Greenville-RedRock junctn 1980 Comment
  CAS-BOT-BC343277  Madia gracilis John Thomas Howell 1960-7-18 35584 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC343279  Madia gracilis John Thomas Howell 1961-6-21 36601 Plumas Greenville 1097 Comment
  CHSC100320  Madia gracilis Lowell Ahart 2008-8-13 15166 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC59905  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. In dirt road and adjacent clear-cut slope. 1731 Comment
  CHSC75459  Madia gracilis G. F. Hrusa; T. D. Wilfred 1996-7-23 13402 Plumas Sierra Nevada. Woods above USFS 23N22. On old logging skid. 1630 Comment
  UC485288  Madia gracilis Mrs. Austin 1882-7-24 Plumas Big Meadows Comment
  CAS-BOT-BC343282  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43246 Plumas North Fork of Feather River at Caribou 914 Comment
  RSA59430  Madia gracilis subsp. gracilis E. K. Balls 1950-9-15 15852 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SEINET9343158  Madia minima Unknown 1982-6-17 3800 Plumas Among rocks and in dry open forest of Pseudotsuga and Arbutus, SE-ern part of Thormanby Island. Comment
  CHSC24274  Maianthemum racemosum K. R. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  SD7175  Maianthemum stellatum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  JEPS88081  Malacothrix floccifera Vernon H. Oswald and Lowell Ahart 1996-8-14 8158 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  JEPS124567 Image available Marrubium vulgare Reinhard Jockel 1969-6-26 4 Plumas On road side (A23) 2 miles N. of Sierra County Line. Comment
  CAS-BOT-BC71087  Marsilea vestita Thomas H. Kearney 1944-8-14 1 Plumas Near Prattville, Lake Almanor Comment
  SEINET11601834 Image available Matricaria discoidea P. A. Lehenbauer 1934-5-5 s.n. Plumas Quincy Comment
  CAS-BOT-BC348169  Matricaria discoidea Greg Sommers 1976-7-8 162 Plumas Sierra Valley, along Marble Lane 1487 Comment
  CDA32017  Medicago lupulina L. Ahart, J. Dittes, J. Guardino 2009-7-29 16233 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  UC641649  Melica aristata G. L. Stebbins Jr. 1939-7-6 2909 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 Comment
  CAS-BOT-BC282079  Melica fugax John Thomas Howell 1951-6-27 27607 Plumas Jamison Creek 1950 Comment
  CAS-BOT-BC282082  Melica fugax John Thomas Howell 1962-6-17 37704 Plumas Portola 1463 Comment
  CHSC87615  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10910 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy. 1147 Comment
  UCD87287  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43346 Plumas Sierra Nevada. Summit ridge of Mt. Hough. 2194 Comment
  CAS-BOT-BC281267  Melica geyeri Javier Penalosa 1962-6-19 2491 Plumas Highway 40-89, +- 6.2 miles SE of Quincy 1097 Comment
  CAS-BOT-BC281269  Melica geyeri John Thomas Howell; Gordon H. True; Walter & Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area. Near Fern Glen 1066 Comment
  CHSC41165  Melica harfordii L. P. Janeway; Gary Benson, Leigh Wingett 1985-7-24 Plumas Plumas N.F. ECOS plot 11-142. Slope above Mosquito Cr near Soda Spr. 1264 Comment
  UCD23590  Melica harfordii John Thomas Howell 1967-6-23 42737 Plumas Lewisia Rock' 3.5 miles SW of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC264180  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Devil's Kitchen to Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC80914  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS106321  Melica subulata Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11007 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  JEPS87715  Melica subulata Lowell Ahart 1994-6-17 7355 Plumas about 1 mi e Sly Creek Reservoir (meadow on e side of Sly Creek, about 1 mi n of Schwartz Meadow) 1097 Comment
  UC1075661  Mentha canadensis Robert J. Weatherby 1950-7-28 1498 Plumas border Smith Lake (near Quincy); border of Smith Lake 1249 Comment
  CHSC96851  Mentzelia albicaulis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13990 Plumas Around trees, east side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC115175  Mentzelia dispersa Lowell Ahart 2015-6-7 20212 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC41465  Mentzelia dispersa Lowell Ahart 1986-7-25 5369 Plumas Along Cleghorn Bar Road, about 4 miles north-west of Pilot Peak. 1828 Comment
  JEPS113550  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-17 14172 Plumas Near wire box, 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
  SEINET195005  Mentzelia laevicaulis A. A. Heller 1937-8-25 16171 Plumas Along the Feather River near Bucks Creek Power House. Comment
  UC1063983  Mertensia ciliata E. Sawyer 1935-5-28 44 Plumas 3 1/2 mi N of Hawks 1584 Comment
  UC1075692  Mertensia ciliata Robert J. Weatherby 1955-7-2 1579 Plumas upper end of Wilcox Valley 1798 Comment
  UCD14850  Micranthes californica Tamara Kan 1991-5-11 22 Plumas California, Plumas Co.; 1 mi. north on Caribou Road, off of Route 70, north-east of Belden; 701 Comment
  CAS-BOT-BC429030  Micranthes nidifica Lowell Ahart 1987-5-19 5657 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 8 miles north-east of La Porte 1706 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-BC349348  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC349354  Microseris nutans Clarence R. Quick 1952-6-29 52 -73 Plumas Summit of road between Belden and Humbug Valley 1486 Comment
  CHSC91620  Microseris nutans G. Douglas Barbe; T. C. Fuller 1982-6-15 3696 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  SBBG21768  Microseris nutans D. Myrick 1964-7-19 869 Plumas trail to Boiling Lake, Drakesbad 1737 Comment
  CHSC116571  Microsteris gracilis L. P. Janeway; Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  SEINET3365893 Image available Mimulus breweri Barbara Ertter, Jeffrey Strachan 1980-7-31 3889 Plumas Plumas National Forest; Dixie Creek ca 3/4 mile east of Milford-Beckwourth Road (near cattle guard) 1707 Comment
  UC1552710  Mimulus breweri Frederica Bowcutt 1985-6-6 574 Plumas about 15 air mi ne Quincy; Plumas National Forest, Red Clover Creek Comment
  JEPS10254  Mimulus cardinalis Helen-Mar Wheeler 1944-8-23 643 Plumas Cascade Creek Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS122101  Mimulus lewisii Lowell Ahart 2014-8-24 19754 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS81624  Mimulus moniliformis M. S. Taylor 1982-8-10 4952 Plumas ca. 2 air mi se Canyon Dam (end of spur road off Seneca Rd. (306) at creek); Almanor NE quad., Salmon Creek 1524 Comment
  CHSC94777  Mimulus moschatus Lowell Ahart 2006-10-8 13399 Plumas On the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS81482  Mimulus nanus var. mephiticus M. S. Taylor 1982-7-21 4896 Plumas ca. 5 mi se Quincy (s end of Bachs Creek Ridge); Quincy quad. 1752 Comment
  RSA165579  Mimulus nanus var. mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine. 1829 Comment
  UCSB24288  Mimulus nanus var. mephiticus Hardham, Clare 1961-6-15 Plumas Graeagle; Sierra Nevada Mountains Comment
  JEPS102478  Mimulus pilosus Lowell Ahart 2001-10-8 9303 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  JEPS28651  Mimulus torreyi George W. Gillett 1957-7-19 842 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  RSA535420  Mimulus torreyi David M. Thompson 1988-7-23 974 Plumas 3.05 mi N of Bucks Lake road (and Meadow Valley) along Schneider Creek Road (USFS Road 23N16), then 0.15 mi W along Road 24N47X, then 0.1 mi N along Road 24N47XC. 1524 Comment
  CHSC39384  Minuartia nuttallii subsp. gracilis M. S. Taylor 1982-6-1 4583 Plumas N side of 204, ca. 1air mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 1524 Comment
  JEPS48659  Mitella breweri Esther C. Fritz 1933-7-15 Plumas stream bank in meadow w Spanish Peak 2133 Comment
  CHSC61740  Monardella follettii L. P. Janeway 1993-7-15 4452 Plumas Plumas National Forest. Ridge between Fales Basin and Rattlesnake Gulch; overlooking 'Serpentine Canyon' of the East Branch North Fork Feather River. 1569 Comment
  SJSU15285  Monardella follettii S. Woolhouse 2010-7-20 6 Plumas Forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  UCSC008310  Monardella follettii Brett Smith 2011-7-23 BAS 005 Plumas 200 m N of unnamed ravine, 150m E of FS Rd 25N25 1442 Comment
  SEINET10582324  Monardella follettii A. Graff 1993-7-22 Graff 307 Plumas Plumas National Forest. Meadow Valley Rd. south from Virgilia, on the left roadside, 3 miles from the Union Pacific RR crossing of the East Branch Feather River. T25N,R8E,S30. Locally frequent, growing on a serpentine road cut filling in with Pseudotsuga menziesii and Calocedrus decurrens. Comment
  SEINET10582332  Monardella follettii A. Graff 1993-7-22 Graff 317 Plumas Plumas National Forest. Meadow Valley Rd. south, .55 mile up from Union Pacific RR crossing, on the left road cut. T25N,R8E,S20. Locally infrequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  RSA0118875  Monardella odoratissima subsp. glauca Lowell Ahart 2014-8-26 19788 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  RSA121992  Monardella odoratissima subsp. glauca G. T. Nordstrom 1934-7-3 180 Plumas 3/4 mile S. of Mt. Ararat, Bidwell Bar 1646 Comment
  CHSC108112  Monardella odoratissima subsp. pallida Lowell Ahart 2011-9-20 17685 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC61987  Monardella odoratissima subsp. pallida L. P. Janeway 1993-8-5 4501 Plumas Plumas National Forest. About 1.5 mi west of Pilot Peak; along Road 22N60 0.2 mi southwest of Quincy-La Porte Road (Road 511). 1975 Comment
  JEPS63414  Monardella odoratissima subsp. pallida R. H. Platt 1891-1 Plumas Big Meadows High Sierras Comment
  CAS-BOT-BC220484  Monardella sheltonii L. P. Janeway 1989-8-1 3542 Plumas Beckwourth Ranger District, Plumas National Forest. Southern side of Big Hill; between Eureka Ridge and Middle Fk Feather River. Along rd 23N36 1584 Comment
  CHSC52051  Monardella sheltonii L. P. Janeway 1989-6-23 3397 Plumas Plumas National Forest. Along hwy 70/89 near Camp Layman Rd, 1.1 mi S of Jackson Cr. 1310 Comment
  RSA551259  Monardella sheltonii J. T. Howell 1975-7-22 51350 Plumas 2 miles NW of Spring Garden 1174 Comment
  RSA795662  Monardella sheltonii L. Ahart 2012-7-1 18261 Plumas East side of the dirt road to the large pipe, about 0.25 miles east of Caribou Road, about 3.5 air miles northeast of Belden. 808 Comment
  SD149141  Monardella sheltonii John Thomas Howell 1975-7-22 51350 Plumas 2 miles northwest of Spring Garden Comment
  SEINET10582350  Monardella sheltonii A. Graff 1993-7-22 Graff 319 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
  SEINET10582358  Monardella sheltonii A. Graff 1993-7-21 Graff 290 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SEINET10582267  Monardella stebbinsii A. Graff 1993-7-22 Graff 330 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
  CAS-BOT-BC444735  Montia chamissoi D. E. Breedlove 1962-6-12 3440 -A Plumas Along State Hwy. 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC444859  Montia fontana John Thomas Howell 1960-7-21 35864 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake 1767 Comment
  CAS-BOT-BC444857  Montia fontana M. S. Taylor 1982-7-7 4785 Plumas S slope of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  JEPS113567  Montia fontana subsp. chondrosperma Lowell Ahart, John Dittes 2007-6-16 14100 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CHSC60551  Montia linearis L. P. Janeway 1992-5-6 4161 Plumas Plumas National Forest. Beckwourth Ranger District. Clio Compartment. About 3 1/2 mi southwest of Portola; 1/4 mi northeast of Claireville Flat, between Middle Fork Feather River and Hwy 70. 1482 Comment
  CAS-BOT-BC445097  Montia linearis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1879 Plumas Butterfly Botanical Area and Vicinity. Area of Butterfly Valley proper 1036 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
  SEINET10929030  Montia linearis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3870 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  SEINET5334397  Montia linearis J. Young 1982-1 s.n. Plumas Dye Creek Meadow 1524 Comment
  CAS-BOT-BC267014  Muhlenbergia filiformis Clarence R. Quick 1966-7-7 66 37 B Plumas E of Cottonwood Creek crossing, ca 3 miles S of W end of Humbug Valley 1402 Comment
  CHSC94990  Muhlenbergia filiformis Lowell Ahart 2006-10-23 13500 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
  CHSC54875  Muhlenbergia jonesii Vernon H. Oswald 1991-8-23 4847 Plumas Lassen Volcanic National Park. Road to Juniper Lake Campground, 1.6 miles north of the park boundary. Swale on the southwest side of the road. 2072 Comment
  SJSU4306  Muhlenbergia jonesii T. L. Erwin 1963-8-19 2 Plumas near Banner Creek S slope of Mt Harkness 7 mi NW of Chester 1676 Comment
  UCD149815  Muhlenbergia minutissima William Anderson 1964-5-24 s.n. Plumas Feather River Canyon. Comment
  CHSC47994  Myosotis discolor Vernon Oswald 1984-7-9 1357 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  CHSC97625  Myosotis discolor Lowell Ahart; John Dittes 2007-6-16 14108 Plumas On damp gravelly soil, gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  POM186544  Myosotis scorpioides D. D. Keck 1932-7-3 1659 Plumas Quincy, in the northern Sierra Nevada. Along Spanish Creek. 1067 Comment
  CAS-BOT-BC392270  Myosurus apetalus John Thomas Howell; H. Keith Wagnon 1980-5-27 53614 Plumas 1 mile west of Almanor 1386 Comment
  RSA641881  Myosurus minimus Michael A. Vincent 1999-6-7 8540 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  UC1101491  Myriophyllum hippuroides Malcolm A. Nobs and S. Galen Smith 1949-8-19 1410 Plumas ca. 2 mi. s. Greenville (Indian Valley); Indian Valley Comment
  SD130500  Myriophyllum sibiricum Fred Sommers 1976-8-10 200 Plumas Sierra Valley Marsh, from ditch along Dyson Lane. 1524 Comment
  SEINET12627059  Myriophyllum sibiricum W. Harnach, N. Harnach 1991-6-30 598 Plumas Approx. 1 mile south of the Steel Bridge on Marble lane. Ibis rookery site. Sierra Valley. 1486 Comment
  CHSC78761  Narthecium californicum L. P. Janeway 2000-7-16 6905 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  RSA184947  Narthecium californicum Lewis S. Rose 1966-7-27 66055 Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  UCD72909  Narthecium californicum Albert A. Grigarick 2008-6-18 18 Plumas Lakes Basin, SW of town of Graeagle. Driving directions: Int. 80 - 89 Hwy. N, left on Gold Lake Hwy. 5 mi., to Gray Eagle Lodge Rd., to Trailhead Parking, take Long Lake Trail until it crosses springs above Gray Eagle lodge uphill bog. 1985 Comment
  RSA52916  Narthecium californicum R. Weatherby 1950-7-21 1476 Plumas Butterfly Valley, near Quincy 1220 Comment
  UC1563724  Navarretia breweri Barbara Ertter with Gary Schoolcraft 1989-7-3 8658 Plumas ca 8 air mi s Susanville (ridge between Red Rock and Diamond Mt) 2225 Comment
  UC1075685  Navarretia breweri Robert J. Weatherby 1955-7-2 1571 Plumas near Taylor Lake; Bear Ridge 2194 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
  CDA18488  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3370 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  CHSC94202  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-9 12929 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  RSA718444  Navarretia intertexta L. Ahart 2006-7-9 12927 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  RSA31650  Navarretia intertexta A. A. Heller 1938-7-2 15233 Plumas Along the highway near the bridge over Spanish Creek just north of Quincy 1098 Comment
  CHSC97113  Navarretia intertexta subsp. propinqua Lowell Ahart; Josephine Guardino 2007-7-20 14349 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  SD116552  Navarretia leptalea Barbara Ertter, Jeffrey Strachan 1980-7-31 3888 Plumas Dixie Creek ca A| mile east of Milford-Beckwourth Road (near cattle guard), Plumas National Forest 1707 Comment
  POM75519  Navarretia leucocephala subsp. leucocephala Marcus E. Jones 1897-7-5 10110 Plumas Prattville. 1372 Comment
  CAS-BOT-BC230397  Navarretia leucocephala subsp. minima A. A. Heller; P. B. Kennedy 1907-7-2 8683 Plumas Between Vinton and Beckwith Comment
  CAS-BOT-BC230399  Navarretia leucocephala subsp. minima Alice J. Rosenberg 1917-7-20 s.n. Plumas Blaisden Comment
  CHSC41966  Navarretia sinistra Lowell Ahart 1986-7-8 5359 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 Comment
  RSA88457  Nemacladus interior J. T. Howell 1951-6-29 27761 Plumas Feather River Canyon 549 Comment
  SEINET10461180  Nemacladus interior Howell 1975-7-22 Howell s.n. Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden 1173 Comment
  SEINET10461207  Nemacladus interior Rimo Bacigalupi, R. L. Hauke 1954-7-15 Bacigalupi 4730 Plumas At mouth of Rock Creek in Feather River Canyon (North Fork) 518 Comment
  SEINET10458452  Nemacladus rigidus Follett 1936-6-28 FOLLETT s.n. Plumas Rock Creek 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
  RSA726410  Nemophila parviflora var. austiniae L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13998 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CAS-BOT-BC230552  Nemophila parviflora var. austiniae H. M. Hall 1903-7-4 4421 Plumas N Fork Feather River 1341 Comment
  CHSC87866  Nemophila pedunculata Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11059 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote. 1777 Comment
  JEPS28632  Nemophila pedunculata George W. Gillett 1957-7-18 820 Plumas North end of Willow Lake Meadow Lassen Volcanic National Park, n end Willow Lake Meadow (near the main inlet, Lassen Volcanic National Park) 1661 Comment
  RSA726288  Nemophila pedunculata L. Ahart 2007-6-16 14103 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  JEPS124091  Nemophila spatulata Lowell Ahart 2015-6-7 20220 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  UCSB15812  Nemophila spatulata Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  UC606961  Nemophila spatulata L. Constance 1938-6-10 2319 Plumas near Lake Almanor (Feather River at Chester); , near Lake Almanor 1219 Comment
  CHSC48189  Nothocalais alpestris Vernon Oswald 1984-7-12 1574 Plumas Henry's Flat between Lotts Lake and Spring Valley Lake, ca. 4 mi e of Philbrook Reservoir. 1950 Comment
  UC1122217  Oenothera deltoides subsp. piperi C. W. Hanks 1934-8-13 44 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  POM181046  Oenothera elata subsp. hirsutissima A. A. Heller, B. B. Kennedy 1907-7-16 8861 Plumas Genessee valley near Genessee 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
  CAS-BOT-BC355566  Oreostemma alpigenum var. andersonii J. T. Vale 1988-10-4 s.n. Plumas Bucks Lk Old Rd. Summit Campground 1584 Comment
  CHSC110622  Oreostemma alpigenum var. andersonii B. Castro; L. Janeway 2006-9-9 1616 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lade and North Arm Rice Creek). 1969 Comment
  CHSC21543  Oreostemma alpigenum var. andersonii D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS36260  Oreostemma alpigenum var. andersonii Clarissa Kimber 1961-8-6 211 Plumas 1 mi s, (Upper Butterfly Valley) Keddie; Greenville Quad., Upper Butterfly Valley 1158 Comment
  SD243288  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas Snake Lake near Quincy. Comment
  CAS-BOT-BC499824  Orobanche corymbosa subsp. corymbosa W. Harnach; N. Harnach 1989-6-29 202 Plumas Sierra Valley: Hindoo Ranch 1920 Comment
  CAS-BOT-BC458062  Orthilia secunda Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CHSC66759  Orthilia secunda Vernon H. Oswald; Lowell Ahart 1996-8-14 8178 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi e of White Horse Campground. 1615 Comment
  SEINET10549656  Orthocarpus copelandii Mary Susan Taylor 1982-8-31 Taylor 5085 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  JEPS106313  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  JEPS80623  Orthocarpus cuspidatus subsp. cryptanthus M. S. Taylor 1981-8-4 4155 Plumas ca 4 air mi nw Antelope Lake (ca 13 air mi ne of Taylorsville, on top of Wildcat Ridge); Diamond Mt. Quad., nw of Antelope Lake, top Wildcat Ridge 2164 Comment
  RSA523832  Orthocarpus hispidus Gordon H. True Jr. 1938-7-14 961 Plumas At summit of Milford Grade. 1768 Comment
  SEINET10832404  Orthocarpus hispidus Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3881 A Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  SEINET10898079  Orthocarpus hispidus Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3848 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  SEINET13755297  Orthocarpus luteus W. Harnach, N. Harnach 1990-7-5 461 Plumas Sierra Valley, first corner east of Co. Rd. A-23 on Marble Lane. 1487 Comment
  JEPS62841  Orthocarpus luteus John Weiler 1970-7-2 70154 Plumas on the road to Loyalton 1/2 mi e Marble Hot Springs; e of Marble Hot Springs 1524 Comment
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  CHSC101930  Osmorhiza chilensis Lowell Ahart; John Dittes 2009-7-14 16062 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC63108  Osmorhiza chilensis Lowell Ahart 1994-7-7 7453 Plumas On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south-east of Pilot Peak. 2011 Comment
  JEPS113822  Osmorhiza chilensis Lowell Ahart, Josephine Guardino 2007-7-21 14373 Plumas Around pine trees, near a small dry drainage, about 20 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  CHSC97548  Packera pauciflora Lowell Ahart; John Dittes 2007-6-17 14152 Plumas Meadow, east of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1586459  Packera pauciflora Vernon H. Oswald and Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the w side Humbug Valley (ca 6 mi (air) ene of Humbug Summit, ca 12 mi (air) s of Chester); Big Springs on w side Humbug Valley 1310 Comment
  CAS-BOT-BC121001  Paeonia brownii M. S. Taylor 1982-5-7 4418 Plumas Ramelli Ranch, S side of Feather River, ca. 1/2 mile SW of Beckwourth, ca. 1/4 mile E of Calpine Rd (190). Portola Quad 1487 Comment
  CAS-BOT-BC121012  Paeonia brownii Rimo Bacigalupi 1927-7-12 1729 Plumas Along littel Gray Eagle Creek near Lakes Center Camp, Gold Lake Region. Comment
  SJSU14348  Paeonia brownii N. A. Hopkins 1990-5-12 1611 Plumas on rd to Genessee c. 16 mi NW of Beckwourth 1676 Comment
  HSC10486  Panicum acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie. 1067 Comment
  UCD88707  Panicum acuminatum var. fasciculatum Walter Knight; Irja Knight, John Thomas Howell 1966-7-28 1675 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  UCD89954  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  SEINET10870404  Parnassia palustris var. californica Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4978 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  CHSC61708  Pectiantia pentandra Vernon H. Oswald; Lowell Ahart 1993-8-25 5868 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the dowstream end of a series of falls and cascades. 1987 Comment
  CHSC20982  Pedicularis attollens F. T. Griggs; A. Pass 1975-7-23 240 Plumas Cape Lake. Comment
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Mar 4 2018
  RSA112887  Pedicularis aurantiaca E. F. Sprague 1957-5-30 1231 Plumas 6 miles SW of Viola. 854 Comment
  POM286408  Pedicularis racemosa Lyman Benson 1932-7-29 3979 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  SEINET10549002  Pedicularis racemosa subsp. alba Mary Susan Taylor 1981-9-10 Taylor 4272 a Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  CHSC21297  Pedicularis semibarbata F. T. Griggs; A. Pass 1975-7-29 258 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC21524  Pedicularis semibarbata L. Mayer; D. Brink 1975-7-10 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC63278  Pedicularis semibarbata Lowell Ahart 1994-6-12 7320 Plumas Near Cedar Flat, on the west side of Fraggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  CHSC76073  Pedicularis semibarbata G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3242 Plumas Mt. Hough-Crystal Lake Road, 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC32045  Pellaea brachyptera L. Ahart 1975-8-29 968 Plumas On ridge between Oxford and Coquette Creeks, ca. 10 mi s of Bucks Lake. 1828 Comment
  SD19372  Pellaea brachyptera Mrs. R. M. Austin 1877-1 Plumas Comment
  CAS-BOT-BC69357  Pellaea brachyptera Emily K. Mcpherson 1976-11-7 76 32 -1 Plumas Portola Quad. 5 miles north of Beckwourth 1920 Comment
  SEINET11713791  Pellaea brachyptera R. M. Austin 1876-1 s.n. Plumas no further locality Comment
  SEINET11713793  Pellaea brachyptera R. M. Austin n d s.n. Plumas no further locality Comment
  UC1874919  Pellaea brachyptera Ruth Kirkpatrick 2002-7-18 1136 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  SD19373  Pellaea bridgesii J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  UCSB46163  Pellaea mucronata Reisentz, Paul 1979-5-12 Plumas At Injun Jim Campground; 5.7 miles south of Beldon Comment
  CDA9209  Penstemon deustus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .287 Plumas Plumas Eureka State Park. S Johnsville Comment
  SBBG100104  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Crk at N Fork of Feather River; S26, T25N, R6E Comment
  CHSC89807  Penstemon deustus var. pedicellatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  UC1567369  Penstemon deustus var. pedicellatus G. Schoolcraft 1989-7-3 1937 Plumas s Red Rock Lookout; Diamond Mtns. 2194 Comment
  RSA726370  Penstemon deustus var. suffrutescens L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13983 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  OBI76975  Penstemon gracilentus Anthony Baniaga 2011-7-26 466 Plumas Lassen Natl Forest. Hairpin turn of F.S. 10, 1/2 mi NW of rock Spring. Red Cinder quad T29N R7E sec 2 NW of SW 1817 Comment
  SEINET7948412 Image available Penstemon gracilentus N. H. Holmgren, P. K. Holmgren, D. Lepley, E. Corbin, M. Dolan 2015-7-13 16607 Plumas Sierra Nevada, North Fork Feather River Drainage, about 12.5 km (7.5 miles) air distance west-northwest of Chester (from where Feather River Drive intersects with SR 36) 1571 Comment
  UC1552728  Penstemon gracilentus Frederica Bowcutt 1985-6-6 560 Plumas about 15 air mi ne Quincy (n of Beckwourth Genesee Road about 1/2 mi, Plumas National Forest); Plumas National Forest, ne of Quincy 1676 Comment
  UCD147774  Penstemon gracilentus Allyson Ayalon; Lucie Jerabkova 2012-8-1 136 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  RSA331945  Penstemon gracilentus Dave Kelly, Walter Wisura 1985-8-1 4090 Plumas Ca 1/2 mile N of Sawmill Tom Creek along Humbug Rd, NE of Jonesville. Comment
  RSA59355  Penstemon gracilentus E. K. Balls 1950-9-2 15620 Plumas 2.5 miles towards Mt. Ingalls Lookout after turn off from Ramelli to Walker Mine. 1951 Comment
  SEINET10547983  Penstemon gracilentus F. Marion Ownbey, Ruth P. Ownbey 1938-7-14 Ownbey 1739 Plumas Dry slope, below humboldt summit, sierra nevada. Comment
  CHSC65517  Penstemon neotericus L. P. Janeway 1995-7-29 4883 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between Rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  CHSC9731  Penstemon neotericus Nancy Mosman 1971-7-17 108 Plumas Found in meadow 25 ft w of Hwy32 ca. 3.8 mi s of Chester. 1371 Comment
  NY627276  Penstemon neotericus F. W. Pennell 1940-6-10 25798 Plumas Route 89, west of Almanor 1493.5 Comment
  RSA519226  Penstemon neotericus Karl Vincent, Charlotte A. Labbe 1987-8-10 4505 Plumas Sierra Nevada, Tobin Ridge, N Fork Feather River Canyon. Along W side of CA 70,ca 7.4 miles SW of Beldon Town. 640 Comment
  CDA14736  Penstemon newberryi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3268 Plumas Mount Hough summit. 2194 Comment
  CHSC10746  Penstemon newberryi Lowell Ahart 1968-6-29 Plumas Three miles N. E. of La Porte. 1066 Comment
  RSA101484  Penstemon newberryi subsp. newberryi R. Weatherby 1955-6-26 1552 Plumas Above Mud Lake, Lakes Basin Area 2195 Comment
  RSA17708  Penstemon newberryi subsp. newberryi Elmer I. Applegate 1934-5-3 8908 Plumas Near and west of Meadow Valley. Comment
  CAS-BOT-BC239293  Penstemon newberryi var. berryi Robert J. Weatherby 1950-8-11 1508 Plumas Trail to Long Lake, Lakes Basin Area 1981 Comment
  CAS-BOT-BC239306  Penstemon newberryi var. berryi E. P. Chace 1934-4-11 s.n. Plumas Camp Rodgers Comment
  JEPS26689  Penstemon newberryi var. newberryi P. C. Hutchison 1961-6-9 2128 Plumas 1/2 mi n of the dam along the road to Greenville (e side of Round Valley Reservoir); e side Round Valley Reservoir, road to Greenville Comment
  CHSC33747  Penstemon personatus M. S. Taylor; M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 1/4 mi e and w of rd 26N18. Ca. 3 air mi nw of Indian Falls. 1661 Comment
  CHSC88826  Penstemon personatus L. Hanson 1981-7-22 156 Plumas Plumas National Forest. Hartman Bar Ridge. 1615 Comment
  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
  RSA663916  Penstemon personatus David M. Thompson 1988-7-23 973 Plumas 3.1 miles N of Bucks Lake Road (and Meadow Valley) on Schneider Creek road; at jct. of Schneider Creek Road (USFS road 23N16) and USFS road 24N47X (to Big Creek). 1585 Comment
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  CHSC76074  Penstemon roezlii G. F. Hrusa 1997-5-30 13821 Plumas Sierra Nevada. On W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  JEPS106019  Penstemon roezlii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10954 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1251 Comment
  UC566013  Penstemon roezlii A. Lewis 1934-7-25 521 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  CAS-BOT-BC239605  Penstemon rydbergii var. oreocharis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS15107  Penstemon rydbergii var. oreocharis F. W. Embree 1934-6-12 107 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  NY651251  Penstemon rydbergii var. oreocharis R. J. Weatherby 1955-7-26 1665 Plumas 2 miles north of Spanish Peak. 2072.6 Comment
  POM145453  Penstemon rydbergii var. oreocharis J. B. Feudge 1927-7-20 1840 Plumas Near Chester. 1829 Comment
  SEINET3840898  Penstemon rydbergii var. oreocharis G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3838 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  SEINET5329701 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-9 8780 Plumas Prattville Comment
  UC696821  Penstemon speciosus David D. Keck 1932-7-6 1718 Plumas 6 mi w Chester; Sierra Nevada, w of Chester 1524 Comment
  UC887339  Penstemon speciosus Anna Head 1921-7-6 Plumas East Pk. Feather River Region 2072 Comment
Read comments
Jun 26 2006
  UCD148562  Perideridia G. Ledyard Stebbins 1986-6-29 C 612 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  SEINET10454545  Perideridia bolanderi Mary Susan Taylor 1982-6-21 Taylor 4706 Plumas T23N R11E ne/nw sec 30. Blue Nose Mt quad. Between small creek and Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 6100 ft. 1859 Comment
  SEINET13944950 Image available Perideridia bolanderi Lincoln Constance, Tsan Iang Chuang 1967-1 3779 Plumas Between Graeagle, and Cliom 1.3 miles southeast of Graeagle. Alt 4500 ft 1372 Comment
  CHSC67329  Perideridia bolanderi subsp. bolanderi J. D. Jokerst 1984-6-13 2053 Plumas Inclusion traversed by USFS road 26N08, north of Cottonwood Cr. 1371 Comment
  RSA726452  Perideridia bolanderi subsp. bolanderi L. Ahart, John Dittes 2007-6-16 14146 Plumas 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. 1648 Comment
  UC1123112  Perideridia bolanderi subsp. bolanderi D. Axelrod 1934-6-9 33 Plumas 2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle 1767 Comment
  UC1389946  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5919 Plumas Childs Meadow 1463 Comment
  UC1191938  Perideridia parishii subsp. latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1437 Plumas Butterfly Valley; bog and marsh Comment
  UC1542919  Perideridia parishii subsp. latifolia G. Schoolcraft 1987-6-17 1744 Plumas about 2 mi n Chester 1402 Comment
  CAS-BOT-BC419039  Persicaria lapathifolia Lowell Ahart 1981-9-6 3095 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419236  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CAS-BOT-BC356061  Petasites John Thomas Howell; Gordon H. True 1969-6-23 45837 Plumas On bank of Thompson Creek 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  CHSC32825  Petasites frigidus var. palmatus W. Michael Foster 1981-4-26 11 Plumas Along Thompson creek and the Quincy-La Porte rd., ca. 2 mi se of East Quincy. Flood plain. 1082 Comment
  UCD147773  Phacelia hastata subsp. compacta Allyson Ayalon; Lucie Jerabkova 2012-8-1 135 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CDA13568  Phacelia hastata subsp. hastata G. F. Hrusa, T. D. Wilfred 1996-7-23 13398 Plumas Sierra Nevada; Plumas NF. Above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  RSA133987  Phacelia hastata subsp. hastata L. R. Heckard, R. C. Bacigalupi 1951-8-8 186 Plumas Sierra Valley, near Chilcoot. 1524 Comment
  CDA13851  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-8-2 13461 Plumas Sierra Nevada; E side of Fells Creek at USFS 23N22 crossing. Comment
  JEPS2085  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Rich Gulch 1173 Comment
  RSA107454  Phacelia heterophylla subsp. virgata L. S. Rose 1955-7-19 55138 Plumas Beckworth Pass. 1494 Comment
  NY1057830  Phacelia humilis R. M. Austin 05 1878 s.n. Plumas Big Meadows Comment
  SEINET12765121  Phacelia humilis var. humilis Lowell Ahart 2007-6-8 14005 Plumas 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis.; 0 1966 Comment
  CHSC58501  Phacelia hydrophylloides Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway, Joa 1992-7-1 5046 Plumas Near the entrance of Lakes Basin Campground, ca. 5 mi (air) SSW of Graegle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC70265  Phacelia hydrophylloides B. Castro 1989-8-3 341 Plumas Ca 2.5 air mi S of Bucks Lake, on E-facing slope overlooking USFS Rd 23N18, in rocky open drainage. 1828 Comment
  JEPS87593  Phacelia hydrophylloides Lowell Ahart 1994-7-7 7468 Plumas about 1/4 air mi sw of Pilot Peak (on w side of Pacific Crest Trail); Pacific Crest Trail 2011 Comment
  SEINET5519322  Phacelia linearis W. Harnach, N. Harnach 1989-6-29 206 Plumas Sierra Valley, Beckwith Pass on the north side of Hwy 70 1539 Comment
  POM147048  Phacelia linearis Alice Eastwood 1927-06 14908 Plumas On road from Chilcott, Unites States Forest Reserve. Comment
  CHSC52526  Phacelia mutabilis L. P. Janeway 1990-6-28 3739 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  JEPS114528  Phacelia mutabilis Lowell Ahart 2008-8-14 15194 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  SEINET5906191 Image available Phacelia mutabilis L. S. Rose 1967-1 67167 Plumas Mt Hough, 1.3 mi S of summit. Comment
  CHSC62359  Phacelia procera B. Castro; R. Fallscheer, R. Zebell 1989-8-15 398 Plumas Ca 5 air mi S of Bucks Lake, ca 200 ft E of Coldwater Creek, and ca 0.2 mi S of Ohio Ravine in moist ditch along E side of USFS Rd 23N18. 1569 Comment
  UC586927  Phacelia procera Joseph Andorfer Ewan 1934-6-27 8189 Plumas on Mt. Elwell Trail 1/2 mi from Gold Lake Lodge Comment
  CHSC107437  Phacelia purpusii Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 4 Plumas Northern High Sierra Nevada. Growing on the exposed S/SE facing ridge top and edges of Goat Mountain in scree and in cracks. 1680 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
  UC170961  Phacelia racemosa H. M. Hall 1912-7-13 9354 Plumas Jameson Cr. Sierra Nevada Mountains 1920 Comment
  UCD120669  Phacelia racemosa W. R. Powell 1968-7-2 1601 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  JEPS103525  Phalaris arundinacea Lowell Ahart 2002-7-2 9832 Plumas 1 air mi SW of Franklin Hill; ; N side Forest Road 22N94, 50 yds W of Forest Rd 24N94E, on Hartman Bar Ridge, 4 1/2 air mi NW of Tamarack Flat, 9 air mi NW of La Porte 1583 Comment
  CAS-BOT-BC253532  Phleum John Thomas Howell; H. Keith Wagnon 1980-5-28 53687 Plumas Indian Falls, Sierra Nevada 975 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
  UC1124173  Phlox diffusa E. Sawyer 1935-6-17 119 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  UC1124174  Phlox diffusa C. W. Hanks 1934-8-9 25 Plumas n of Sierra Valley; Plumas National Forest, Sierraville Quad. 1859 Comment
  JEPS69947  Phlox diffusa W. L. Jepson 1910-6-12 4121 Plumas Mt. Harkness 1828 Comment
  SEINET11268262  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas Near Ceder Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake.; 0 1707 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
  CHSC55728  Phlox speciosa subsp. occidentalis Steven Triano 1988-4-17 74 Plumas Along n side of Hwy. 89 ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  CHSC61604  Phlox speciosa subsp. occidentalis Arthur G. Barrett 1915-7-21 11 Plumas Plumas Forest. Meadow View Ranger Station. 1874 Comment
  CHSC89282  Phlox speciosa subsp. occidentalis G. Douglas Barbe; T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  UC1124214  Phlox speciosa subsp. occidentalis P. G. Haddock 1938-5-29 6 Plumas Rock Creek Serpentine Plumas National Forest, Downieville Quad. 1219 Comment
  CAS-BOT-BC60676  Phoenicaulis cheiranthoides John Thomas Howell 1962-6-18 37810 Plumas Sierra Nevada. Sierra Valley 5 miles south of Beckwourth. 1493 Comment
  CHSC46013  Phoradendron libocedri Lowell Ahart 1974-7-24 557 Plumas About 2 miles east of the Bunker Hill Mine, about 13 miles north-east of La Porte. 1676 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-BC142218  Physocarpus capitatus Walter Knight; Irja Knight 1966-9-12 1748 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and vicinity 1036 Comment
  CHSC111238  Physocarpus capitatus B. Castro; L. P. Janeway 2007-8-18 1675 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  CAS-BOT-BC78469  Pinus contorta subsp. murrayana John Thomas Howell 1960-7-18 35502 Plumas Drakesbad 1828 Comment
  UCR3597  Pinus contorta var. murrayana Wm. Horn Jr. 1963-8-13 630813- 02 Plumas S shore of Bucks Lake 1707 Comment
  CAS-BOT-BC78692  Pinus jeffreyi Ahart; Jokerst 1985-10-4 5191 Plumas about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte 1828 Comment
  UC1219839  Pinus jeffreyi R. A. Cockrell 1940-7-31 8553 Plumas Meadow Valley Meadow Valley (rock ridge) 1676 Comment
  NY62296  Pinus ponderosa E. Fritz 1939-6-12 8527 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
  CHSC101940  Pinus ponderosa var. ponderosa Lowell Ahart; John Dittes 2009-7-15 16084 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  RSA637584  Plagiobothrys bracteatus Michael A. Vincent 1999-6-7 8541 Plumas Plumas Nat l Forest; Beckwourth Ranger dist. along Route A23, just south of Route 70, SW of Beckwourth Comment
  CAS-BOT-BC230984  Plagiobothrys hispidulus Lewis S. Rose 1954-5-30 54061 Plumas Johnsville 1600 Comment
  CHSC80813  Plagiobothrys hispidulus Lowell Ahart 2001-7-17 8909 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
  CHSC82453  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9824 Plumas In a logged over area on the south side of Forest Road 22N94, east of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1606 Comment
  CAS-BOT-BC230978  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  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
  CAS-BOT-BC228465  Plagiobothrys mollis Frank W. Peirson 1926-6-21 6803 Plumas Open strip of land between forest and lake on the N shore, Lake Almanor 1447 Comment
  RSA795729  Plagiobothrys scouleri var. hispidulus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16150 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
  RSA147083  Plagiobothrys scouleri var. hispidulus Alice Eastwood 1927-06 14446 Plumas Crescent Mills Comment
  SJSU7540  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Butterfly Valley c. 3 mi W of Keddie 1219 Comment
  UCR111253  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Sierra Nevada Mtns, Butterfly Valley, c. 3 mi. west of Keddie. 1220 Comment
  POM147145  Plagiobothrys tenellus Alice Eastwood 1927-06 14440 Plumas Crescent Mills, United States Forest Reserve Comment
  RSA189361  Plagiobothrys tenellus L. S. Rose 1967-5-6 67058 Plumas North Fork Feather River; Injun Jim Camp. 610 Comment
  CAS-BOT-BC228454  Plagiobothrys torreyi Mrs. H. C. Cantelow 1940-5-10 3191 Plumas W of Bucks Lake Comment
  CHSC37684  Platanthera leucostachys M. S. Taylor 1981-7-29 4149 Plumas Along creek crossing Flournoy Grade (25N42), 0.2 mi n of North branch of Ward Creek, ca. 5 air mi se of Genesee. 1828 Comment
  JEPS48494  Platanthera leucostachys John W. Duffield 1937-7-25 Plumas above and w Meadow Valley (Sec. 26); Little Schneider Creek 1249 Comment
  CDA14767  Platanthera sparsiflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3354 Plumas 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  SEINET3892859  Platanthera sparsiflora D. W. McNeal 1990-7-25 3843 Plumas Beside the Rd. to the Mills Pk. Lookout (Church Meadows Rd.), 0.5 mi E of the jct. of the Gold Lake Rd.; 0 Comment
  CHSC35267  Plectritis congesta M. S. Taylor 1981-5-11 3685 Plumas Granitic slope in forest along path, ca. 1/2 mi s of Flournoy Bridge and jct of Hwy 89 and Beckworth-turnoff, ca. 5 air mi e of Genesee. 1158 Comment
  UCD137603  Plectritis macrocera Matt Georgeff 1992-5-17 15 Plumas Snake Lake Campgrounfd, 15 miles W of Quincy, 0.5 mile from base camp. Comment
  UCD134960  Pleiacanthus spinosus Collector Unknown 1955-9-1 s.n. Plumas Sierra Valley, near Longton. Comment
  UCD32545  Poa Beecher Crampton 1954-5-11 1876 Plumas Plumas - Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC244376  Poa annua Walter Knight; et al. 1967-5-8 1796 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon 990 Comment
  CDA14589  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
  CHSC91944  Poa bolanderi Lowell Ahart; Josephine Guardino 2005-8-9 12278 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS28286  Poa bolanderi George W. Gillett 1957-7-17 795 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic Nat'l Park 1767 Comment
  CAS-BOT-BC254965  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas 3.5 miles SW of Portola, ca 0.33 mile W of Middle Fork Feather River and ca 300 feet E of Highway 70 1484 Comment
  UC1795017  Poa bulbosa R. K. Brummitt 1998-5-17 19879 Plumas Rte. 89 near Indian Falls, 2 km from Rte. 70 junction 1000 Comment
  SEINET10836232  Poa bulbosa Mary Susan Taylor 1981-5-11 Taylor 3684 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CAS-BOT-BC255094  Poa compressa Thomas H. Kearney 1944-8-14 11 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC255100  Poa compressa John Thomas Howell 1977-6-20 52409 Plumas Below the high water line, on the peninsula of Lake Almanor 1371 Comment
  CAS-BOT-BC255127  Poa cusickii A. A. Heller; P. B. Kennedy 1907-7-5 8751 Plumas Red Clover Valley Comment
  RSA754382  Poa cusickii subsp. cusickii L. P. Janeway, B. Castro 2008-6-8 9400 Plumas Northern High Sierra Nevada: NE side of middle of Lower Thompson Valley, about 1.8 km N of Red Clover Creek and about 10 m NE of the Thompson Valley Creek. 1670 Comment
  CHSC47628  Poa cusickii subsp. epilis Lowell Ahart 1981-7-21 2963 Plumas On the Buzzards Roost Ridge, about 1/4 mile east of Quincy La Porte Road, about 1 1/4 miles north of Pilot Peak. 1828 Comment
  JEPS113795  Poa cusickii var. cusickii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14014 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC112381  Poa palustris L. P. Janeway 2014-7-15 11518 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  POM180948  Poa secunda A. A. Heller, P. B. Kennedy 1907-7-3 8711 Plumas Hills above Red Clover Valley Comment
  UCD90392  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas 1 mile W of Portola, along Hwy 24. 1472 Comment
  UC1583948  Poa secunda subsp. juncifolia G. Schoolcraft 1990-6-4 2067 Plumas 5 mi e Beckwourth (on s side Hwy 70) 1490 Comment
  UCD92152  Poa secunda subsp. juncifolia Collector Unknown 1889-6-6 s.n. Plumas Sierra Valley. Comment
  SEINET7294038 Image available Poa secunda subsp. juncifolia John Thomas Howell 1955-1 30800 Plumas Vinton 1506 Comment
  CAS-BOT-BC242976  Poa secunda subsp. secunda Anna Head 1921-7-18 s.n. Plumas Feather River Region. Lake Center Camp 1981 Comment
  CAS-BOT-BC242980  Poa secunda subsp. secunda Greg Sommers 1976-7-1 140 Plumas Sierra Valley Marsh, roadside along Dyson Lane 1524 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
  JEPS115948  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15892 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  UC70961  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Plumas mts s of Dixie Valley Comment
  UCD91987  Poa sierrae John Thomas Howell 1967-6-22 42650 Plumas near mouth of Granite Creek. Canyon of the Feather River North Fork. 609 Comment
  HSC93594  Poa wheeleri G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3307 Plumas Diamond Mtn. Rd. 1.4 mi. NNE of Engle Mine townsite. 1296 Comment
  CAS-BOT-BC244267  Podagrostis humilis George W. Gillett 1957-7-19 853 Plumas Lassen Volcanic National Park. Just beyond very large spring 1.25 miles above The Devils Kitchen on trail to Sifford Lakes 2057 Comment
  CHSC21196  Polemonium californicum F. T. Griggs; A. Pass 1975-7-17 223 Plumas Buck's Lake. Comment
  RSA750502  Polemonium californicum J. R. Shevock 1985-7-6 11317 Plumas Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir. 1750 Comment
  CAS-BOT-BC268099  Polemonium micranthum R. Stubbs 2010-5-7 004 Plumas Plumas NF. 1482 Comment
  CHSC84940  Polemonium pulcherrimum var. pulcherrimum Lowell Ahart 2003-10-17 10648 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  JEPS113543  Polygonum arenastrum Lowell Ahart, Josephine Guardino 2007-7-21 14375 Plumas Along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  JEPS81644  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas vicinity of Calpine Rd (109) bridge Portola quad., Feather River, Ramelli Ranch (base, ca 1 mi w of Beckwourth) 1487 Comment
  SEINET3160400  Polygonum davisiae E. K. Balls 1950-9-1 15596 Plumas southern Plumas county; east of Long Lake, on slopes above meadow leading down to 2 smaller lakes 2103 Comment
  CAS-BOT-BC414547  Polygonum douglasii Anna Head 1921-8-10 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC414549  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Drakesbad 1737 Comment
  JEPS127120  Polygonum douglasii Lowell Ahart 2016-8-30 21328 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  SEINET3405777 Image available Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy 1036 Comment
  CAS-BOT-BC414552  Polygonum douglasii John Thomas Howell 1974-9-20 50889 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CAS-BOT-BC414560  Polygonum douglasii Lowell Ahart 1977-8-2 s.n. Plumas One mile west of Pilot Pk. Pilot Pk. is about 15 miles north-east of La Porte 2000 Comment
  CAS-BOT-BC419743  Polygonum douglasii H. K. Wagnon 1988-10-4 1820 Plumas On edge of Upper Bucks Lake Comment
  CHSC65381  Polygonum douglasii subsp. douglasii Lowell Ahart 1995-9-13 7624 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS113780  Polygonum douglasii subsp. johnstonii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13989 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC62485  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1993-8-26 4547 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. Sagebrush flats on south side of Middle Fork Feather River. Little-used dirt road. 1484 Comment
  UC850386  Polygonum douglasii subsp. spergulariiforme A. A. Heller 1937-9-1 15344 Plumas field near Feather River Bridge (just n of Chester) 1304 Comment
  RSA101483  Polygonum kelloggii R. Weatherby 1955-6-26 1551 Plumas Mud Lake, Lakes Basin Area. 2195 Comment
  RSA0105473  Polygonum minimum Lowell Ahart 2014-8-31 19800 Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  RSA699246  Polygonum parryi L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 Plumas N side of the logging road, 3 3/4 miles air S of Lower Taylor Rock, 7.5 miles air NE of Quincy. 1358 Comment
  CAS-BOT-BC419888  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1962-6-18 37807 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC91739  Polygonum polygaloides subsp. confertiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is 39deg 55' N; 120deg 11' W]. 1706 Comment
  CDA19264  Polygonum polygaloides subsp. esotericum G. D. Barbe, T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CAS-BOT-BC420042  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1954-5-30 54060 Plumas Johnsville 1600 Comment
  CHSC36929  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Dry open slope above creek, off Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  CHSC97193  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13995 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
  CHSC99827  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2008-7-9 15065 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte. 1689 Comment
  CAS-BOT-BC420057  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-19 37865 A Plumas Sierra Valley, 5.8 miles e. of Beckwourth 1493 Comment
  CAS-BOT-BC420059  Polygonum polygaloides subsp. kelloggii John Thomas Howell; H. Keith Wagnon 1980-5-27 53626 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CAS-BOT-BC420219  Polygonum sawatchense subsp. sawatchense L. P. Janeway; Garrett Gibson 1991-7-11 4070 Plumas Plumas National Forest, Beckwourth Ranger District. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  SD133965  Polygonum sawatchense subsp. sawatchense Barbara Ertter, Gary Schoolcraft 1989-7-3 8642 Plumas ca I(c) mile below Red Rock lookout, ca 8 airmiles S of Susanville 2133 Comment
  CAS-BOT-BC421037  Polygonum spergulariiforme John Thomas Howell 1959-9-24 34963 Plumas Sierra Valley near Beckwourth 1478 Comment
  CAS-BOT-BC421039  Polygonum spergulariiforme Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region 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
  JEPS103024  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC237268  Polypogon monspeliensis John Thomas Howell 1951-8-20 28233 Plumas Sierra Valley, 3 miles E of Buckwourth 1524 Comment
  CDA9208  Polystichum imbricans D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .275 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  POM174054  Polystichum imbricans J. G. Lemmon 1883-07 s.n. Plumas Indian Valley Comment
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Feb 4 2011
  CHSC116272  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas On the west side of Slate Creek Reservoir, about 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of L Porte. 1128 Comment
  CAS-BOT-BC72353  Polystichum imbricans subsp. imbricans Clarence R. Quick 1952-6-29 52 -82 Plumas 1.2 miles south of summit on road between Belden and Humbug Valley Comment
  CHSC82073  Polystichum lemmonii L. P. Janeway; B. Castro 2001-6-22 7372 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  CHSC84996  Polystichum scopulinum Lowell Ahart 2003-10-17 10654 Plumas Cliffs north of Humboldt Peak, on the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2042 Comment
  CAS-BOT-BC72506  Polystichum scopulinum Lowell Ahart 1980-9-17 2648 Plumas 1/2 mile west of Fowler Pk. 1800 Comment
  SEINET10530134  Polystichum scopulinum Mary Susan Taylor 1982-8-14 Taylor 5141 Plumas T21N R8E se/ne sec 21. American House quad. W side of 21N63, Mooreville Ridge, 1/4 mi sw of Sanborn Mine, ca. 4 air mi sw of Little Grass Valley Reserv dam. 4700 ft. 1432 Comment
  UC170621  Polystichum scopulinum Mrs. Carlotta C. Hall 1912-7-14 9355 Plumas e branch of Nelson Creek 1950 Comment
  CHSC80687  Populus balsamifera subsp. trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. 1615 Comment
  UCSB22576  Populus trichocarpa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  UC1099860  Potamogeton foliosus Malcolm A. Nobs, S. Galen Smith 1949-8-18 1363 Plumas Last Chance Marshes at n end of Lake Almanor (just s of Chester) Comment
  CHSC46626  Potamogeton gramineus V. Oswald; L. Ahart, L. Hanson 1989-7-31 3908 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Edge of a bog. 1670 Comment
  CHSC92135  Potamogeton natans Lowell Ahart; John Dittes 2005-9-20 12431 Plumas In Mud lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  UC1609492  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  CAS-BOT-BC453786  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  RSA15048  Potamogeton richardsonii Daniel Cleveland 1882-7-26 s.n. Plumas Big Meadow. Comment
  CAS-BOT-BC6235  Potentilla aperta Amos Arthur Heller; P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  CHSC20763  Potentilla glandulosa K. R. Stern 1975-7-24 5888 Plumas SW shore of Lake Almanor. 1371 Comment
  POM147079  Potentilla glandulosa Alice Eastwood 1927-06 14639 Plumas United States Forest Reserve, Road from Long Valley to Greenville Comment
  RSA169432  Potentilla glandulosa subsp. ashlandica L. S. Rose 1963-6-3 63090 Plumas Butterfly Valley, 2 miles SW of Keddie. 1189 Comment
  CHSC26145  Potentilla gracilis var. elmeri Detzer; Sacks 1977-6-25 44 Plumas On sw edge of Squaw Valley. 1853 Comment
  JEPS113533  Potentilla gracilis var. fastigiata Lowell Ahart, Josephine Guardino 2007-7-20 14333 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS97349  Potentilla gracilis var. fastigiata Lowell Ahart 1995-9-13 7635 Plumas about 1 mi NW of Pilot Peak ( E of Quincy la Porte Road); NW side of Onion Valley 1828 Comment
  UC1128244  Potentilla gracilis var. fastigiata A. Lewis 1934-6-12 483 Plumas Little Grass Valley Plumas National Forest, Downieville quad 1524 Comment
  CAS-BOT-BC540414  Potentilla gracilis var. fastigiata Walter Knight; John Thomas Howell; Gordon True 1969-6-24 2466 Plumas Sierra Nevada, Butterfly Area, in vicinity of Darlingtonia Bog 1097 Comment
  CAS-BOT-BC158521  Potentilla millefolia Lloyd W. Swift 1931-5-16 47 Plumas Plumas National Forest. Murdock Crossing 1524 Comment
  SEINET6637082  Potentilla millefolia A. A. Heller, P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CHSC20764  Potentilla rivalis K. R. Stern 1975-7-24 5889 Plumas SE shore of Lake Almanor. 1371 Comment
  JEPS122095  Potentilla rivalis Lowell Ahart 2014-8-24 19750 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
  CHSC97104  Poteridium annuum Lowell Ahart; Josephine Guardino 2007-7-21 14384 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
  OBI9970  Poteridium annuum Lewis S. Rose 1967-7-12 67169 Plumas Quincy 1036 Comment
  UCD149524  Primula suffrutescens G. L. Stebbins 1970-7-24 7073 Plumas South of Gray Eagle. Northwest of Round Lake, Lakes Basin. (Exact location unknown. Coordinates estimated by label maker.) 2164 Comment
  RSA59693  Prunella vulgaris var. lanceolata E. K. Balls 1950-9-9 15763 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC158593  Prunus John Thomas Howell; H. Keith Wagnon 1980-5-26 53594 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  CAS-BOT-BC159820  Prunus andersonii John Thomas Howell 1962-6-19 37879 Plumas Beckwourth Pass 1584 Comment
  UC1128281  Prunus andersonii C. W. Hanks 1934-8-14 48 Plumas Plumas National Forest, ne Sierra Valley ne Sierra Valley; Plumas National Forest, ne Sierra Valley 1524 Comment
  CAS-BOT-BC158143  Prunus emarginata Anna Head 1920-6-20 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UC1128343  Prunus emarginata G. Burks 1933-8-8 35 Plumas 2 mi w of Franklin Hill (Plumas National Forest); Plumas National Forest 1645 Comment
  SEINET7346803  Prunus emarginata A. A. Heller, P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  JEPS102525  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CHSC98375  Pseudostellaria sierrae Dean Wm. Taylor 2004-5-26 19074 Plumas Round Valley Reservoir, along Forest Road 26N94Y 0.4 miles east of junction with County Road 204 (Dixie Canyon Road), eastern limits of Cherokee Mine (site). 1402 Comment
  RSA754997  Pseudostellaria sierrae L. Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas Esat side of Forest Road 25N10, about 2 air miles west of Grizzly Peak, about 8 air miles northeast of Quincy. 1805 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
  CHSC102435  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2009-6-7 9800 Plumas Northern High Sierra Nevada. Lower Thompson Valley 1.5 km north of Red Clover Creek, 125 m southwest of Thompson Valley Creek. 1670 Comment
  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
  UC485727  Pteridium aquilinum var. pubescens H. F. Copeland 1932-8-24 Plumas Drakesbad 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
  SEINET10859933  Puccinellia erecta Vernon H. Oswald, Lowell Ahart 1989-8-22 Oswald 3952 Plumas T26N R5E se/S11, Red Fir Forest. Impounded spring on the e side of Humbug Rd 1.5 mi (odometer) n of Humbug Summit (Butte County line). Rooted in shallow water on the edge of the pond. 1981 Comment
  CAS-BOT-BC147872  Purshia tridentata var. tridentata Alice Rosenberg 1917-6-20 s.n. Plumas Blairsden Comment
  CAS-BOT-BC460823  Pyrola aphylla Mrs. A. L. Combs 1906-6-1 s.n. Plumas Prattville Comment
  RSA59417  Pyrola californica E. K. Balls 1950-9-8 15708 Plumas Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC462781  Pyrola dentata Alice Eastwood 1927-6-12 14527 Plumas US Forest Reserve. Forest Lodge near Greenville Comment
  CHSC102076  Pyrola picta Lowell Ahart; John Dittes 2009-7-14 16065 -A Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  SD7830  Pyrola picta Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CAS-BOT-BC466107  Pyrola picta Mary Strong Clemens 1920-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC466109  Pyrola picta John Thomas Howell 1960-7-21 35821 Plumas Lassen Volcanic National Park, near Terminal Geyser 1798 Comment
  SD7831  Pyrola picta f. aphylla Mrs. R. M. Austin 1887-1 Plumas American Valley Comment
  CHSC34935  Pyrrocoma hirta var. lanulosa M. S. Taylor 1981-7-7 3989 Plumas On ne side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi n of Beckwourth. 1706 Comment
  CHSC89978  Pyrrocoma lucida Colby J. Boggs 2004-8-5 57 Plumas Approximately 1.5 miles north of the Town of Mohawk between railroad tracks and Middle Fork of the Feather River, and 0.1 miles southwest of Hwy 70. Terrace adjacent to river. 1302 Comment
  CAS-BOT-BC62432  Quercus chrysolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2443 Plumas From vicinity of mouth of Butterfly Creek 883 Comment
  UCD14010  Quercus chrysolepis John M. Tucker 1948-7-25 1750 Plumas California, Plumas Co.; 1.3 mi. east of Camp 18, area of Camel's Peak; Comment
  JEPS108143  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade 1440 Comment
  RSA87174  Quercus chrysolepis var. nana F. W. Peirson 1926-6-22 6810 Plumas On shore of Boiling Lake, Lassen National Park. Comment
  CAS-BOT-BC93984  Quercus durata John Thomas Howell 1951-8-19 28168 Plumas near Rich Bar 792 Comment
  SEINET10477881  Quercus durata Mary Susan Taylor 1981-7-18 Taylor 4053 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
  CHSC62150  Quercus durata var. durata L. P. Janeway 1993-7-20 4464 Plumas Plumas National Forest. Canyon of East Branch North Fork Feather River; in large ravine 500 ft north of Hwy 70, opposite the road to Rich Bar. 853 Comment
  UCD46185  Quercus garryana F. T. Griggs 1977-7-17 229 Plumas Soda Creek, ca. 5 miles north of Belden, Plumas County, California. 1524 Comment
  JEPS38056  Quercus garryana var. semota W. I. Follett 1933-7-18 Plumas Rich Gulch 1173 Comment
  UC1135649  Quercus kelloggii E. Nourse 1934-8-14 12 Plumas 1 mi n and 1.5 mi w Quincy; Downieville Quad. 1127 Comment
  CAS-BOT-BC104592  Quercus vacciniifolia David D. Keck 1932-7-3 1708 Plumas Northern Sierra Nevada. Quincy, Water supply canyon to the left hand just S of town 1065 Comment
  CDA12148  Quercus vacciniifolia G. F. Hrusa, J. Dinsdale 1989-6-25 7201 Plumas Sierra Nevada; Bucks lake north shore. Comment
  JEPS95835  Quercus vacciniifolia Lowell Ahart 1999-7-15 8095 Plumas about 100 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  UCD14011  Quercus vacciniifolia John M. Tucker 1948-7-24 1733 Plumas California, Plumas Co.: about 1/4 mi. below the Camel Peak Lookout, along the road; Comment
  CAS-BOT-BC362686  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas Buzzards Roost Ridge, north of PIlot Peak 2000 Comment
  CHSC42067  Ranunculus alismifolius var. lemmonii Kimber Hostetter 1986-4-12 9 Plumas Ca. 1.6 km on Butterfly Valley Botanical Gardens turnoff, off Hwy. 70 at Keddie Resort, ca. 8 km n of Quincy. 1500 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
  POM186543  Ranunculus aquatilis var. capillaceus D. D. Keck 1932-7-3 1661 Plumas Quicy, along Spanish Creek, in the Northern Sierra Nevada. Comment
  CHSC81813  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-10-16 9378 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  SEINET7720819  Ranunculus cymbalaria Unknown Plumas Goose Lake Valley Comment
  UC118215  Ranunculus flammula T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  UCSB46164  Ranunculus hystriculus Reisentz, Paul 1979-5-12 Plumas Injun Jim Campground, 6.7 miles south of Beldon. 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
  JEPS28452  Ranunculus occidentalis George W. Gillett 1957-7-13 750 Plumas meadow across creek from Devils Kitchen; Lassen Volcanic National Park 1859 Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  RSA220758  Ranunculus occidentalis var. ultramontanus M. Canby 1929-5-5 133 Plumas 15 mi. west of Portola. Comment
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Apr 27 2012
  JEPS48493  Ranunculus orthorhynchus var. orthorhynchus John W. Duffield 1937-6-5 Plumas se Meadow Valley (in stream tributary to Rock Creek) 1280 Comment
  SBBG30507  Ranunculus uncinatus D. Myrick 1968-6-18 1936 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC59569  Rhamnus John Thomas Howell 1976-7-20 52038 Plumas Sierra Nevada - south end of Lake Almanor 1371 Comment
  SD149111  Rhamnus John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54298 Plumas East side of Indian Valley just north of Taylorsville 1111 Comment
  SEINET10493608  Rhamnus purshiana Mary Susan Taylor 1982-7-22 Taylor 4902 Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  SEINET13946362 Image available Rhamnus purshiana E. K. Balls 1950-1 15785 Plumas Red Fir Forest, 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet,southern 2012 Comment
  JEPS112916  Rhamnus rubra Dean W. Taylor 2001-8-2 17894 Plumas on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  CHSC54396  Rhododendron neoglandulosum Vernon H. Oswald 1991-7-17 4754 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
  RSA239303  Rhynchospora alba Robert F. Thorne, Larry E. DeBuhr, Tilforth 1972-9-20 42343 Plumas Butterfly Valley Botanic Area: Partly in Plumas Nat l Forest; near Darlingonia Bog 1174 Comment
  SD8335  Ribes menziesii var. ixoderme Mrs. R. M. Austin 1874-1 Plumas Soda Spring. Comment
  CAS-BOT-BC219223  Ribes nevadense Anna Head 1921-7-4 s.n. Plumas Trail to Long Lake, Feather River Region Comment
  UC566251  Ribes nevadense G. T. Nordstrom 1934-7-16 229 Plumas 1 3/4 mi ne Mount Ararat; Bidwell Bar Quadrangle 1767 Comment
  UCD102424  Ribes nevadense Robbins; Raynor 1943-6-1 s.n. Plumas Feather River Canyon near Virgilia. Comment
  UCR102417  Ribes nevadense L. C. Wheeler 1959-6-15 7569 Plumas Sierra Nevada Mtns., Middle Fork Feather River: McCarthy Mine, McCarthy Bar 1073 Comment
  CDA14590  Ribes roezlii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3073 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  JEPS48766  Ribes roezlii John Warren Duffield 1937-5-27 Plumas Grubstake Flats Bucks Lake Quad., Meadow Valley Comment
  UC586937  Ribes roezlii Joseph Andorfer Ewan 1934-6-25 8224 Plumas above Dentens (Blairsden) (Gold Lake Road); Sierra Nevada Comment
  CAS-BOT-BC186225  Ribes roezlii var. roezlii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC186230  Ribes roezlii var. roezlii David D. Keck 1932-7-6 1722 Plumas 4 miles N.W. of Greenville on road to Prattville Comment
  RSA0019690  Ribes velutinum Beecher Crampton 1954-5-11 1878 Plumas State Highway 24, Beckwourth Pass, Plumas-Lassen County boundary. 1588 Comment
  JEPS114513  Ribes viscosissimum var. viscosissimum Lowell Ahart 2008-6-5 14812 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/4 miles northeast of the Little Grass Valley Reservoir 1645 Comment
  JEPS53827  Rorippa W. L. Jepson 1927-6-23 12311 Plumas lower end Warner Creek Valley; lower end Warner Creek Valley 1524 Comment
  SEINET10871492  Rorippa Mary Susan Taylor 1981-7-13 Taylor 4000 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  CAS-BOT-BC74634  Rorippa curvisiliqua A. A. Heller 1915-7-7 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 miles west of Bucks. Comment
  RSA718508  Rorippa curvisiliqua L. Ahart 2006-10-23 13476 Plumas On the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mi. northeast of Scales Road., About 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CAS-BOT-BC74628  Rorippa curvisiliqua John Thomas Howell 1961-9-23 36873 Plumas Sierra Nevada. Cooks Creek near Engelmine. 1082 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
  SEINET5760494 Image available Rorippa curvisiliqua var. orientalis A. A. Heller 1915-1 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada; 12 mi W of Bucks 1676 Comment
  CHSC55681  Rorippa nasturtium-aquaticum K. R. Stern 1985-6-25 8240 Plumas Vicinity of Blairsden. 1402 Comment
  JEPS48546  Rorippa nasturtium-aquaticum John W. Duffield 1937-5-26 Plumas Schneider Creek above and w Meadow Valley (sw Plumas County); Bucks Lake Quad., Schneider Creek above and w Meadow Valley Comment
  HSC94144  Rosa californica B. Villegas 1999-7-8 Plumas Frenchman's Lake Rd. Comment
  CAS-BOT-BC148167  Rosa gymnocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54191 Plumas 4 miles north of Grays Flat, on road to Long Valley - Sierra Nevada 1447 Comment
  CAS-BOT-BC148169  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2448 Plumas From vicinity of the mouth of Butterfly Creek - Butterfly Botanical Area and vicinity 883 Comment
  SEINET10483535  Rosa pinetorum Mary Susan Taylor 1982-6-17 Taylor 4695 Plumas T23N R11E sw/sw sec 18. Blue Nose Mt quad. S side of 23N44Y, 0.8 mi se of its jct with Peoria Creek Rd (23N10), ca. 3 air mi sw of Sloat. Elev 5600 ft. 1707 Comment
  SDSU9230  Rosa pisocarpa R. M. Beauchamp 1965-7-17 Plumas 0.5 mile N of Chester. Comment
  CHSC84415  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, about 2 1/4 miles (by road) east of Beckwourth Calpine Road, about 4 miles (air) southeast of Beckwourth, Sierra Valley. 1527 Comment
  CHSC97060  Rosa woodsii subsp. ultramontana Lowell Ahart; Josephine Guardino 2007-7-20 14323 Plumas North of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  RSA726333  Rosa woodsii var. ultramontana L. Ahart, J. Dittes, J. Guardino 2007-8-10 14465 Plumas About 40 yards S of Beckworth Gensee Road. There is a small quarry E of a poor road, the meadow and stream, about 2 miles (air) N of the N end of Lake Davis. 1762 Comment
  UCD18416  Rostraria cristata Vincent Forcella 2000-4-22 15 Plumas Plumas County?: Feather River, Shanghai Bend. Comment
  CDA32030  Rotala ramosior L. Ahart, J. Dittes 2009-9-7 16383 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  UC586919  Rubus parviflorus Joseph Andorfer Ewan 1934-6-25 8207 Plumas Gold Lake Road above Denten's ((Blairsden)); Sierra Nevada, above Denten's (Blairsden) 1463 Comment
  CAS-BOT-BC363142  Rudbeckia californica Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  CAS-BOT-BC363206  Rudbeckia occidentalis Lloyd W. Swift 1932-8-10 69 Plumas Plumas National Forest. Coldwater Cr. S. of Bucks 1524 Comment
  JEPS122180  Rumex acetosella Lowell Ahart 2014-8-26 19777 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC422048  Rumex acetosella Lowell Ahart 1985-9-26 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte 1584 Comment
  CHSC102669  Rumex maritimus Lowell Ahart; John Dittes 2009-9-7 16387 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  RSA726386  Rumex maritimus L. Ahart, Josephine Guardino 2007-7-20 14346 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  SEINET13710060  Rumex maritimus Lowell William Ahart, Lowell William Ahart 2001-1 9216 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  UC1191268  Rumex maritimus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1376 Plumas n end Lake Almanor; , Last Chances Marshes Comment
  CHSC45870  Rumex salicifolius var. triangulivalvis Lowell Ahart 1976-7-7 1155 Plumas Growing on moist soil by Cold Water Creek, about 4 miles south of Grizzly Mountain, about 10 miles south of Bucks Lake. 1524 Comment
  CHSC99833  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas West side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of LaPorte. 1613 Comment
  RSA0039301  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  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
  CAS-BOT-BC103885  Salix exigua John Thomas Howell 36928 Plumas Feather River bed, Portola 1478 Comment
  CDA21493  Salix exigua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3325 Plumas Sierra Nevada; Junction of Diamond Mountain Road and Antelope Lake road, near the confluence of Lights Creek and its East Branch. 1371 Comment
  CHSC113848  Salix exigua var. hindsiana Lowell Ahart 2014-9-9 19851 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CAS-BOT-BC107974  Salix geyeriana Lloyd W. Swift 1931-5-16 65994 Plumas Near Boulder Creek Sta. 1676 Comment
  UC525906  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 696 Plumas Fork of Feather River ca. 5 mi s.w. of Prattville Comment
  CHSC112512  Salix jepsonii L. P. Janeway 2014-7-16 11545 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1721 Comment
  CHSC61706  Salix jepsonii Vernon H. Oswald; Lowell Ahart 1993-8-25 5862 Plumas North Arm of Rice Creek SE of Twin MDws., ca. 0.2 mi upstream from the S boundary of Lassen Volcanic Park. 1987 Comment
  UC1134968  Salix lasiandra subsp. lasiandra G. T. Nordstrom 1934-7-20 239 Plumas Silver Lake Dam Bidwell Bar Quad., Silver Lake Dam Comment
  CAS-BOT-BC125305  Salix lasiandra var. lasiandra David D. Keck 1932-7-3 1658 Plumas Meadow south of Spanish Creek, Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC128426  Salix lasiolepis var. lasiolepis Wayne Dakan 1974-9-1 s.n. Plumas Feather River Canyon near Tobin 611 Comment
  CAS-BOT-BC128433  Salix lasiolepis var. lasiolepis John Thomas Howell 1951-8-19 28171 Plumas 3 miles east of Rich Bar 853 Comment
  CAS-BOT-BC125105  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC482036  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CHSC80690  Salix lucida subsp. lasiandra Lowell Ahart 2001-6-4 8755 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1594 Comment
  CDA14755  Salix melanopsis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3316 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite 1341 Comment
  SBBG57919  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
  UCD111780  Salix melanopsis Lewis S. Rose 1968-6-10 68090 Plumas Quincy. 1036 Comment
  CAS-BOT-BC129093  Salix scouleriana Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas At Johnsville on road to Gibsonville 1615 Comment
  UC1135084  Salix scouleriana E. Sawyer 1935-6-25 147 Plumas 1 1/2 mi. s.-s.w. Crow; Plumas Nat'l Forest, Sierraville Quadrangle 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
  UC1119903  Sambucus mexicana F. W. Embree 1934-6-22 120 Plumas 1/2 mi sse Thompson Lake; Plumas National Forest, Bidwell Bar Quadrangle 1584 Comment
  CAS-BOT-BC238848  Sambucus nigra subsp. caerulea John Thomas Howell 1960-7-19 35671 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC21177  Sambucus racemosa var. microbotrys F. T. Griggs; A. Pass 1975-7-16 190 Plumas Buck's Lake Forest Service Survey Comment
  JEPS113525  Sanguisorba annua Lowell Ahart, John Dittes 2007-6-16 14147 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET10917931 Image available Sanicula bipinnatifida A. Arthur Heller 1913-6-13 Heller 10839 Plumas Near Marston Station. 1067 Comment
  SEINET10931541  Sanicula bipinnatifida Patricia L. Kenney, David B. Dunn; Melvin L. Conrad 1973-6-5 Kenney 435 Plumas Collected along a stream along Hwy. 70, 6 mi. S from jct. of Hwy. 89 & 70. 1067 Comment
  JEPS2843 Image available Sanicula bipinnatifida var. flava A. A. Heller 1913-6-13 10839 Plumas near Marston Station; ; Near Marston Station, Plumas Co. 1066 Comment
  JEPS95555  Sanicula graveolens Lowell Ahart 1994-7-7 7450 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  UC2029091  Sanicula graveolens Barbara Ertter with Gary Schoolcraft 1990-5-14 8972 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. 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
  SD107288  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 miles west of road to Snake Lake, departing northwest of Highway 89 around 2 miles north of Quincy. 1280 Comment
  SEINET11155991  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville. Comment
  SEINET11155993  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-18 8879 Plumas Grade between Beckwith and Red Clover Valley. Comment
  JEPS110524  Saponaria officinalis Lowell Ahart 2006-10-23 13479 Plumas On large gravel, on the southeast side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 m 1281 Comment
  CHSC21116  Sarcodes sanguinea F. T. Griggs; A. Pass 1975-7-1 20 Plumas East of Grizzly Creek. Comment
  CHSC33876  Sarcodes sanguinea M. S. Taylor 1981-5-29 3817 Plumas S side of Buckhorn Creek, ca 200 ft. W of Rd. 23N18.5, ca 1 mi SW of Grizzly Mtn, ca 13 air mi NE of Pulga. 1584 Comment
  SEINET3238872 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. Comment
  CAS-BOT-BC466217  Sarcodes sanguinea Elmer I. Applegate 1929-6-21 5796 Plumas Between Kelly's Camp and Drankesbad, Warner Valley, Mt. Lassen region Comment
  RSA471122  Sarcodes sanguinea Christopher Davidson 1974-7-27 2490 Plumas Plumas Nat. Forest, east of Janesville on rd to Antelope valley. 2134 Comment
  RSA189459  Saxifraga californica L. S. Rose 1967-5-8 67072 Plumas 3 miles SW of Belden, N Fork, Feather River. 762 Comment
  RSA59336  Saxifraga odontoloma E. K. Balls 1950-9-12 15788 Plumas 1.5 miles along trail from Lakes Center Public Camp to Long Lake Outlet, southern Plumas County 2012 Comment
  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
  SEINET10329708  Schoenoplectus acutus W. Harnach, N. Harnach 1991-6-17 547 Plumas Sierra Valley, on Marble Lane 1487 Comment
  CAS-BOT-BC111267  Schoenoplectus acutus var. occidentalis Walter Knight; Irja Knight 1966-6-18 1389 Plumas Butterfly Valley, in sort mud or shallow water of pond reservoir. 1097 Comment
  CAS-BOT-BC111574  Schoenoplectus americanus W. R. Dudley 1909-8-26 s.n. Plumas Near East Hot Springs, Sierra Valley. Comment
  CHSC54538  Schoenoplectus subterminalis Vernon H. Oswald 1991-8-5 4804 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On the east side of the lake. 1844 Comment
  JEPS117158  Schoenoplectus subterminalis Lowell Ahart 2010-10-21 17312 Plumas East side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte 1662 Comment
  CHSC78750  Scirpus congdonii L. P. Janeway 2000-7-16 6921 Plumas Northern High Sierra Nevada. Mosquito Flat, 3.2 km south of Haskins Valley. East side of large flat dry meadow. 1676 Comment
  CHSC53556  Scirpus microcarpus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  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
  CAS-BOT-BC110839  Scirpus pauciflorus John Thomas Howell; Gordon H. True 1967-6-11 42572 Plumas Meadow at Quincy 1036 Comment
  UC584299  Scutellaria nana G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2273 Plumas sw of Diamond Mountain (s of Susanville) 2164 Comment
  CHSC48498  Scutellaria siphocampyloides Vernon Oswald 1987-5-28 2936 Plumas Jordan Hill Rd. 0.5 mi s of the road to Sawmill Pk. Lookout. 890 Comment
  CAS-BOT-BC240091  Secale cereale John Thomas Howell; Gordon H. True 1968-6-10 44554 Plumas Quincy 1036 Comment
  CAS-BOT-BC61470  Sedum laxum subsp. perplexum Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 1800 Comment
  RSA58829  Sedum obtusatum R. Weatherby 1950-8-11 1510 Plumas Trail to Long Lake, Lakes Basin Area. 1982 Comment
  JEPS26944  Sedum spathulifolium P. C. Hutchison 1961-6-9 2133 Plumas on road to Bucks Lake 4.5 mi w Quincy (steep shady cliff); w of Quincy Comment
  UC1778630  Sedum spathulifolium G. Douglas Barbe, T. C. Fuller 1982-7-15 3746 Plumas 5.2 miles northeast of junction with road to Red Hill, Plumas National Forest. 1524 Comment
  UCSB46159  Sedum spathulifolium Reisentz, Paul 1979-5-12 Plumas Intersection of North Fork Camp Road and Highway 70 Comment
  CAS-BOT-BC62194  Selaginella wallacei John Thomas Howell; Gordon H. True 1967-5-9 42215 Plumas Lewisia Rock, 3.5 miles southwest of Beldon, Feather River Canyon 609 Comment
  SEINET6409438  Selaginella wallacei J. T. Howell 1959-9-26 35082 Plumas Sierra Nevada, Storrie 549 Comment
  CAS-BOT-BC363366  Senecio aronicoides Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  CHSC89475  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 206 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CHSC52766  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek. 1767 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
  CHSC85480  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3712 Plumas Sierra Nevada. 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  UC177191  Senecio integerrimus var. exaltatus A. A. Heller and P. B. Kennedy 1907-7-5 8742 Plumas hills above Red Clover Valley Comment
  CDA18477  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3247 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CAS-BOT-BC364396  Senecio triangularis John Thomas Howell; Gordon H. True 1967-7-11 43365 Plumas Southeast slope of Mt. Hough 2042 Comment
  UC586940  Senecio triangularis Joseph Andorfer Ewan 1934-6-25 8211 Plumas Gold Lake Road above Dentens ((Blairsden)); Sierra Nevada 1524 Comment
  CHSC55182  Sericocarpus oregonensis L. P. Janeway 1989-9-29 3647 Plumas Low in canyon of North Fork Feather River at Rock Creek. 548 Comment
  CAS-BOT-BC364763  Sericocarpus oregonensis subsp. californicus Clare B. Hardham 1986-8-9 30403 Plumas Sierra Nevada Mountains. Meadow Valley - Virgilia Road 1219 Comment
  CHSC68369  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River. 1389 Comment
  UC1873586  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 Comment
  JEPS67211  Sidalcea glaucescens W. I. Follett 1936-6-29 Plumas Rich Gulch Comment
  SEINET2442081  Sidalcea glaucescens Barbara Ertter 1989-7-4 8680 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester.; 0 1463 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
  RSA95195  Sidalcea malviflora subsp. asprella F. W. Peirson 1926-6-21 6786 Plumas East slope of Sierra Nevada, Humboldt Road Comment
  POM282919  Sidalcea oregana subsp. spicata Lyman Benson 1932-7-29 3981 -a Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59405  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-8 15720 Plumas Lakes Center Public Campground 2043 Comment
  CAS-BOT-BC384318  Silene bernardina Clarence R. Quick 1953-8-8 53 -117 Plumas Along trail on brushy ridge south of Meadow Valley Comment
  JEPS95381  Silene bernardina Lowell Ahart 1994-7-22 7488 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  CAS-BOT-BC386984  Silene douglasii Mrs. E. C. Sutcliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC97273  Silene douglasii var. douglasii Lowell Ahart; John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  HSC101675  Silene laciniata subsp. californica Dillon North Davis 2013-6-30 30 Plumas 9.8 miles south on FS Road 25N17 from intersection with Highway 70. 1576 Comment
  CAS-BOT-BC389392  Silene lemmonii D. E. Breedlove 1962-6-12 3449 Plumas In upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CDA13806  Silene lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13493 Plumas Sierra Nevada; E of upper Bull Run Creek off USFS 23N12E. Comment
  RSA699252  Silene lemmonii L. Ahart, John Dittes, Josephine Guardino 2004-6-6 10997 Plumas On the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1518 Comment
  UC333406  Silene lemmonii unknown 1889-5-28 Plumas Mohawk Valley Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  UCSB15992  Silene lemmonii Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek; upper rrainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC389559  Silene nuda A. A. Heller; P. B. Kennedy 1907-7-16 8859 Plumas Genessee [Genesee] Valley near Genessee [Genesee] Comment
  CAS-BOT-BC181363  Silene occidentalis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  UC1137898  Silene occidentalis subsp. occidentalis D. Axelrod 1934-6-12 37 Plumas 1/2 mi s Fowler Peak; Plumas National Forest, Downieville Quad. Comment
  POM107998  Sisyrinchium bellum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow 1677 Comment
  UCSB46172  Sisyrinchium idahoense Reisentz, Paul 1979-5-12 Plumas Found at Indian Creek at the junction of Hwy 70 and Hwy 89 Comment
  SEINET10507627  Sitanion hystrix Mary Susan Taylor 1981-7-6 Taylor 3967 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  UC924283  Smilacina stellata H. S. Reed 1941-8-3 Plumas Forest Lodge Comment
  SEINET11382869 Image available Solidago canadensis Unknown 1934-1 8252 Plumas Mohawk Valley. 5300 ft. Comment
  CAS-BOT-BC365117  Solidago velutina subsp. californica John Thomas Howell 1959-9-21 34736 Plumas Belden 701 Comment
  CAS-BOT-BC365119  Solidago velutina subsp. californica John Thomas Howell 1961-9-23 36879 Plumas Cooks Creek road near Englemine 1082 Comment
  CAS-BOT-BC374667  Sonchus oleraceus John Thomas Howell 1966-7-29 42023 Plumas Quincy 1036 Comment
  CAS-BOT-BC157318  Sorbus californica Lewis S. Rose 1932-9-5 32624 Plumas Jamison Lake 1889 Comment
  UCR3611  Sorbus californica Wm. Horn Jr. 1963-6-29 630629- 05 Plumas Northern Sierra Nevada Mtns., 1.25-1.5 miles north of Spanish Peak 1835 Comment
  CHSC115778  Sorbus scopulina Lowell Ahart; John Deurloo 2015-8-25 20525 Plumas On the north side of Cold Water Creek, about 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. 1475 Comment
  SD6462  Sparganium emersum Daniel Cleveland 1882-7-27 Plumas Big Meadows Comment
  JEPS115526  Spergularia rubra Lowell Ahart, John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS122323  Spergularia rubra Lowell Ahart 2014-9-9 19838 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC374764  Sphaeromeria potentilloides var. potentilloides W. Harnach; N. Harnach 1989-5-27 122 Plumas Sierra Nevada. Hot wells on north side of Marble Lane 1489 Comment
  CDA41086  Sphenosciadium capitellatum G. F. Hrusa, T. D. Wilfred 1996-8-1 13422 Plumas Sierra Nevada; Pine Creek at Brady's Camp, ~ 1/2 mi. NE Argentine Rock. Sheet 1 of 2 Comment
  CHSC34265  Sphenosciadium capitellatum M. S. Taylor 1981-7-27 4120 Plumas Along spring crossing Beckwourth-Genessee Rd, between Crystal and Meadow creeks, ca. 2 mi S of Notson bridge, ca. 17 air mi NE of Blairsden. 1737 Comment
  CHSC97311  Sphenosciadium capitellatum Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14481 Plumas About 40 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis. 1773 Comment
  SEINET10454594  Sphenosciadium capitellatum Mary Susan Taylor 1981-7-17 Taylor 4026 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  UCR106890  Spiraea densiflora L. C. Wheeler 1952-9-24 6960 Plumas Plumas 5: mine area in vicinity of Crescent Mills Comment
  CAS-BOT-BC149657  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC149659  Spiraea douglasii Robert J. Weatherby 1950-7-28 1499 Plumas Border of Smith Lake, near Quincy 1249 Comment
  CHSC115824  Spiraea douglasii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20419 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  CHSC41682  Spiraea douglasii C. A. Janeway 1986-8-18 Plumas Found ca. 0.2 mi east of Round Valley Lake Dam on Hideaway Road. South side of paved road ca. 10 ft. from shoreline. 1365 Comment
  POM183489  Spiraea douglasii J. G. Lemmon s.n. Plumas American and Indian Valleys. Comment
  RSA122179  Spiraea douglasii B. O. Schreiber 1938-7-9 2522 Plumas 1 mile E of Meadow Valley. 762 Comment
  RSA239304  Spiraea douglasii Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42342 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; near Darlingtonia bog. 1174 Comment
  CHSC46545  Spiranthes porrifolia Lowell Ahart 1979-8-16 2013 Plumas 300 feet east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1645 Comment
  CAS-BOT-BC534892  Spirodela polyrhiza Herbert L. Mason 1953-7-8 14561 Plumas Four miles northwest of Loyalton 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
  UC1191921  Stachys ajugoides var. rigida Malcolm A. Nobs, S. Galen Smith 1949-8-18 1390 Plumas just s Chester (at n end of lake); Last Chance Marshes, Lake Almanor Comment
  CHSC99986  Stachys pycnantha L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9598 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 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
  UCD99340  Stellaria borealis subsp. sitchana John Thomas Howell 1960-7-21 35846 Plumas Drakesbad, NW of Willow Lake. 1676 Comment
  CHSC110369  Stellaria crispa Lowell Ahart 2012-9-5 18437 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  JEPS114798  Stellaria crispa Lowell Ahart 2008-8-13 15169 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
  CAS-BOT-BC391186  Stellaria longipes subsp. longipes John Thomas Howell 1960-7-18 35516 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC397725  Stellaria nitens John Thomas Howell; H. Keith Wagnon 1980-5-26 53585 Plumas Lewisia Rock, Feather River Canyon 3.5 miles SW of Belden 609 Comment
  CHSC58186  Stellaria obtusa Vernon H. Oswald; Lowell Ahart 1992-6-22 5013 Plumas Lassen Volcanic National Park. Little Willow Creek between Willow Lake and the access road into Terminal Geyser. On the edge of the creek. 1676 Comment
  CHSC91793  Stenotus acaulis G. D. Barbe; T. C. Fuller 1982-6-17 3812 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  SEINET5332723 Image available Stenotus acaulis var. kennedyi A. A. Heller, P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley. Comment
  CAS-BOT-BC375663  Stephanomeria paniculata John Thomas Howell 1951-8-20 28209 Plumas